tor-browser

typescript-compiler.js (1232383B)

---

var TypeScript;
(function (TypeScript) {
   function hasFlag(val, flag) {
       return (val & flag) != 0;
   }
   TypeScript.hasFlag = hasFlag;
   (function (ErrorRecoverySet) {
       ErrorRecoverySet._map = [];
       ErrorRecoverySet.None = 0;
       ErrorRecoverySet.Comma = 1;
       ErrorRecoverySet.SColon = 1 << 1;
       ErrorRecoverySet.Asg = 1 << 2;
       ErrorRecoverySet.BinOp = 1 << 3;
       ErrorRecoverySet.RBrack = 1 << 4;
       ErrorRecoverySet.RCurly = 1 << 5;
       ErrorRecoverySet.RParen = 1 << 6;
       ErrorRecoverySet.Dot = 1 << 7;
       ErrorRecoverySet.Colon = 1 << 8;
       ErrorRecoverySet.PrimType = 1 << 9;
       ErrorRecoverySet.AddOp = 1 << 10;
       ErrorRecoverySet.LCurly = 1 << 11;
       ErrorRecoverySet.PreOp = 1 << 12;
       ErrorRecoverySet.RegExp = 1 << 13;
       ErrorRecoverySet.LParen = 1 << 14;
       ErrorRecoverySet.LBrack = 1 << 15;
       ErrorRecoverySet.Scope = 1 << 16;
       ErrorRecoverySet.In = 1 << 17;
       ErrorRecoverySet.SCase = 1 << 18;
       ErrorRecoverySet.Else = 1 << 19;
       ErrorRecoverySet.Catch = 1 << 20;
       ErrorRecoverySet.Var = 1 << 21;
       ErrorRecoverySet.Stmt = 1 << 22;
       ErrorRecoverySet.While = 1 << 23;
       ErrorRecoverySet.ID = 1 << 24;
       ErrorRecoverySet.Prefix = 1 << 25;
       ErrorRecoverySet.Literal = 1 << 26;
       ErrorRecoverySet.RLit = 1 << 27;
       ErrorRecoverySet.Func = 1 << 28;
       ErrorRecoverySet.EOF = 1 << 29;
       ErrorRecoverySet.TypeScriptS = 1 << 30;
       ErrorRecoverySet.ExprStart = ErrorRecoverySet.SColon | ErrorRecoverySet.AddOp | ErrorRecoverySet.LCurly | ErrorRecoverySet.PreOp | ErrorRecoverySet.RegExp | ErrorRecoverySet.LParen | ErrorRecoverySet.LBrack | ErrorRecoverySet.ID | ErrorRecoverySet.Prefix | ErrorRecoverySet.RLit | ErrorRecoverySet.Func | ErrorRecoverySet.Literal;
       ErrorRecoverySet.StmtStart = ErrorRecoverySet.ExprStart | ErrorRecoverySet.SColon | ErrorRecoverySet.Var | ErrorRecoverySet.Stmt | ErrorRecoverySet.While | ErrorRecoverySet.TypeScriptS;
       ErrorRecoverySet.Postfix = ErrorRecoverySet.Dot | ErrorRecoverySet.LParen | ErrorRecoverySet.LBrack;
   })(TypeScript.ErrorRecoverySet || (TypeScript.ErrorRecoverySet = {}));
   var ErrorRecoverySet = TypeScript.ErrorRecoverySet;
   (function (AllowedElements) {
       AllowedElements._map = [];
       AllowedElements.None = 0;
       AllowedElements.ModuleDeclarations = 1 << 2;
       AllowedElements.ClassDeclarations = 1 << 3;
       AllowedElements.InterfaceDeclarations = 1 << 4;
       AllowedElements.AmbientDeclarations = 1 << 10;
       AllowedElements.Properties = 1 << 11;
       AllowedElements.Global = AllowedElements.ModuleDeclarations | AllowedElements.ClassDeclarations | AllowedElements.InterfaceDeclarations | AllowedElements.AmbientDeclarations;
       AllowedElements.QuickParse = AllowedElements.Global | AllowedElements.Properties;
   })(TypeScript.AllowedElements || (TypeScript.AllowedElements = {}));
   var AllowedElements = TypeScript.AllowedElements;
   (function (Modifiers) {
       Modifiers._map = [];
       Modifiers.None = 0;
       Modifiers.Private = 1;
       Modifiers.Public = 1 << 1;
       Modifiers.Readonly = 1 << 2;
       Modifiers.Ambient = 1 << 3;
       Modifiers.Exported = 1 << 4;
       Modifiers.Getter = 1 << 5;
       Modifiers.Setter = 1 << 6;
       Modifiers.Static = 1 << 7;
   })(TypeScript.Modifiers || (TypeScript.Modifiers = {}));
   var Modifiers = TypeScript.Modifiers;
   (function (ASTFlags) {
       ASTFlags._map = [];
       ASTFlags.None = 0;
       ASTFlags.ExplicitSemicolon = 1;
       ASTFlags.AutomaticSemicolon = 1 << 1;
       ASTFlags.Writeable = 1 << 2;
       ASTFlags.Error = 1 << 3;
       ASTFlags.DotLHSPartial = 1 << 4;
       ASTFlags.DotLHS = 1 << 5;
       ASTFlags.IsStatement = 1 << 6;
       ASTFlags.StrictMode = 1 << 7;
       ASTFlags.PossibleOptionalParameter = 1 << 8;
       ASTFlags.ClassBaseConstructorCall = 1 << 9;
       ASTFlags.OptionalName = 1 << 10;
       ASTFlags.SkipNextRParen = 1 << 11;
   })(TypeScript.ASTFlags || (TypeScript.ASTFlags = {}));
   var ASTFlags = TypeScript.ASTFlags;
   (function (DeclFlags) {
       DeclFlags._map = [];
       DeclFlags.None = 0;
       DeclFlags.Exported = 1;
       DeclFlags.Private = 1 << 1;
       DeclFlags.Public = 1 << 2;
       DeclFlags.Ambient = 1 << 3;
       DeclFlags.Static = 1 << 4;
       DeclFlags.LocalStatic = 1 << 5;
       DeclFlags.GetAccessor = 1 << 6;
       DeclFlags.SetAccessor = 1 << 7;
   })(TypeScript.DeclFlags || (TypeScript.DeclFlags = {}));
   var DeclFlags = TypeScript.DeclFlags;
   (function (ModuleFlags) {
       ModuleFlags._map = [];
       ModuleFlags.None = 0;
       ModuleFlags.Exported = 1;
       ModuleFlags.Private = 1 << 1;
       ModuleFlags.Public = 1 << 2;
       ModuleFlags.Ambient = 1 << 3;
       ModuleFlags.Static = 1 << 4;
       ModuleFlags.LocalStatic = 1 << 5;
       ModuleFlags.GetAccessor = 1 << 6;
       ModuleFlags.SetAccessor = 1 << 7;
       ModuleFlags.IsEnum = 1 << 8;
       ModuleFlags.ShouldEmitModuleDecl = 1 << 9;
       ModuleFlags.IsWholeFile = 1 << 10;
       ModuleFlags.IsDynamic = 1 << 11;
       ModuleFlags.MustCaptureThis = 1 << 12;
   })(TypeScript.ModuleFlags || (TypeScript.ModuleFlags = {}));
   var ModuleFlags = TypeScript.ModuleFlags;
   (function (SymbolFlags) {
       SymbolFlags._map = [];
       SymbolFlags.None = 0;
       SymbolFlags.Exported = 1;
       SymbolFlags.Private = 1 << 1;
       SymbolFlags.Public = 1 << 2;
       SymbolFlags.Ambient = 1 << 3;
       SymbolFlags.Static = 1 << 4;
       SymbolFlags.LocalStatic = 1 << 5;
       SymbolFlags.GetAccessor = 1 << 6;
       SymbolFlags.SetAccessor = 1 << 7;
       SymbolFlags.Property = 1 << 8;
       SymbolFlags.Readonly = 1 << 9;
       SymbolFlags.ModuleMember = 1 << 10;
       SymbolFlags.InterfaceMember = 1 << 11;
       SymbolFlags.ClassMember = 1 << 12;
       SymbolFlags.BuiltIn = 1 << 13;
       SymbolFlags.TypeSetDuringScopeAssignment = 1 << 14;
       SymbolFlags.Constant = 1 << 15;
       SymbolFlags.Optional = 1 << 16;
       SymbolFlags.RecursivelyReferenced = 1 << 17;
       SymbolFlags.Bound = 1 << 18;
       SymbolFlags.CompilerGenerated = 1 << 19;
   })(TypeScript.SymbolFlags || (TypeScript.SymbolFlags = {}));
   var SymbolFlags = TypeScript.SymbolFlags;
   (function (VarFlags) {
       VarFlags._map = [];
       VarFlags.None = 0;
       VarFlags.Exported = 1;
       VarFlags.Private = 1 << 1;
       VarFlags.Public = 1 << 2;
       VarFlags.Ambient = 1 << 3;
       VarFlags.Static = 1 << 4;
       VarFlags.LocalStatic = 1 << 5;
       VarFlags.GetAccessor = 1 << 6;
       VarFlags.SetAccessor = 1 << 7;
       VarFlags.AutoInit = 1 << 8;
       VarFlags.Property = 1 << 9;
       VarFlags.Readonly = 1 << 10;
       VarFlags.Class = 1 << 11;
       VarFlags.ClassProperty = 1 << 12;
       VarFlags.ClassBodyProperty = 1 << 13;
       VarFlags.ClassConstructorProperty = 1 << 14;
       VarFlags.ClassSuperMustBeFirstCallInConstructor = 1 << 15;
       VarFlags.Constant = 1 << 16;
       VarFlags.MustCaptureThis = 1 << 17;
   })(TypeScript.VarFlags || (TypeScript.VarFlags = {}));
   var VarFlags = TypeScript.VarFlags;
   (function (FncFlags) {
       FncFlags._map = [];
       FncFlags.None = 0;
       FncFlags.Exported = 1;
       FncFlags.Private = 1 << 1;
       FncFlags.Public = 1 << 2;
       FncFlags.Ambient = 1 << 3;
       FncFlags.Static = 1 << 4;
       FncFlags.LocalStatic = 1 << 5;
       FncFlags.GetAccessor = 1 << 6;
       FncFlags.SetAccessor = 1 << 7;
       FncFlags.Definition = 1 << 8;
       FncFlags.Signature = 1 << 9;
       FncFlags.Method = 1 << 10;
       FncFlags.HasReturnExpression = 1 << 11;
       FncFlags.CallMember = 1 << 12;
       FncFlags.ConstructMember = 1 << 13;
       FncFlags.HasSelfReference = 1 << 14;
       FncFlags.IsFatArrowFunction = 1 << 15;
       FncFlags.IndexerMember = 1 << 16;
       FncFlags.IsFunctionExpression = 1 << 17;
       FncFlags.ClassMethod = 1 << 18;
       FncFlags.ClassPropertyMethodExported = 1 << 19;
       FncFlags.HasSuperReferenceInFatArrowFunction = 1 << 20;
       FncFlags.IsPropertyBound = 1 << 21;
   })(TypeScript.FncFlags || (TypeScript.FncFlags = {}));
   var FncFlags = TypeScript.FncFlags;
   (function (SignatureFlags) {
       SignatureFlags._map = [];
       SignatureFlags.None = 0;
       SignatureFlags.IsIndexer = 1;
       SignatureFlags.IsStringIndexer = 1 << 1;
       SignatureFlags.IsNumberIndexer = 1 << 2;
   })(TypeScript.SignatureFlags || (TypeScript.SignatureFlags = {}));
   var SignatureFlags = TypeScript.SignatureFlags;
                   function ToDeclFlags(fncOrVarOrSymbolOrModuleFlags) {
       return fncOrVarOrSymbolOrModuleFlags;
   }
   TypeScript.ToDeclFlags = ToDeclFlags;
   (function (TypeFlags) {
       TypeFlags._map = [];
       TypeFlags.None = 0;
       TypeFlags.HasImplementation = 1;
       TypeFlags.HasSelfReference = 1 << 1;
       TypeFlags.MergeResult = 1 << 2;
       TypeFlags.IsEnum = 1 << 3;
       TypeFlags.BuildingName = 1 << 4;
       TypeFlags.HasBaseType = 1 << 5;
       TypeFlags.HasBaseTypeOfObject = 1 << 6;
       TypeFlags.IsClass = 1 << 7;
   })(TypeScript.TypeFlags || (TypeScript.TypeFlags = {}));
   var TypeFlags = TypeScript.TypeFlags;
   (function (TypeRelationshipFlags) {
       TypeRelationshipFlags._map = [];
       TypeRelationshipFlags.SuccessfulComparison = 0;
       TypeRelationshipFlags.SourceIsNullTargetIsVoidOrUndefined = 1;
       TypeRelationshipFlags.RequiredPropertyIsMissing = 1 << 1;
       TypeRelationshipFlags.IncompatibleSignatures = 1 << 2;
       TypeRelationshipFlags.SourceSignatureHasTooManyParameters = 3;
       TypeRelationshipFlags.IncompatibleReturnTypes = 1 << 4;
       TypeRelationshipFlags.IncompatiblePropertyTypes = 1 << 5;
       TypeRelationshipFlags.IncompatibleParameterTypes = 1 << 6;
   })(TypeScript.TypeRelationshipFlags || (TypeScript.TypeRelationshipFlags = {}));
   var TypeRelationshipFlags = TypeScript.TypeRelationshipFlags;
   (function (CodeGenTarget) {
       CodeGenTarget._map = [];
       CodeGenTarget.ES3 = 0;
       CodeGenTarget.ES5 = 1;
   })(TypeScript.CodeGenTarget || (TypeScript.CodeGenTarget = {}));
   var CodeGenTarget = TypeScript.CodeGenTarget;
   (function (ModuleGenTarget) {
       ModuleGenTarget._map = [];
       ModuleGenTarget.Synchronous = 0;
       ModuleGenTarget.Asynchronous = 1;
       ModuleGenTarget.Local = 1 << 1;
   })(TypeScript.ModuleGenTarget || (TypeScript.ModuleGenTarget = {}));
   var ModuleGenTarget = TypeScript.ModuleGenTarget;
   TypeScript.codeGenTarget = CodeGenTarget.ES3;
   TypeScript.moduleGenTarget = ModuleGenTarget.Synchronous;
   TypeScript.optimizeModuleCodeGen = true;
   function flagsToString(e, flags) {
       var builder = "";
       for(var i = 1; i < (1 << 31); i = i << 1) {
           if((flags & i) != 0) {
               for(var k in e) {
                   if(e[k] == i) {
                       if(builder.length > 0) {
                           builder += "|";
                       }
                       builder += k;
                       break;
                   }
               }
           }
       }
       return builder;
   }
   TypeScript.flagsToString = flagsToString;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (NodeType) {
       NodeType._map = [];
       NodeType._map[0] = "None";
       NodeType.None = 0;
       NodeType._map[1] = "Empty";
       NodeType.Empty = 1;
       NodeType._map[2] = "EmptyExpr";
       NodeType.EmptyExpr = 2;
       NodeType._map[3] = "True";
       NodeType.True = 3;
       NodeType._map[4] = "False";
       NodeType.False = 4;
       NodeType._map[5] = "This";
       NodeType.This = 5;
       NodeType._map[6] = "Super";
       NodeType.Super = 6;
       NodeType._map[7] = "QString";
       NodeType.QString = 7;
       NodeType._map[8] = "Regex";
       NodeType.Regex = 8;
       NodeType._map[9] = "Null";
       NodeType.Null = 9;
       NodeType._map[10] = "ArrayLit";
       NodeType.ArrayLit = 10;
       NodeType._map[11] = "ObjectLit";
       NodeType.ObjectLit = 11;
       NodeType._map[12] = "Void";
       NodeType.Void = 12;
       NodeType._map[13] = "Comma";
       NodeType.Comma = 13;
       NodeType._map[14] = "Pos";
       NodeType.Pos = 14;
       NodeType._map[15] = "Neg";
       NodeType.Neg = 15;
       NodeType._map[16] = "Delete";
       NodeType.Delete = 16;
       NodeType._map[17] = "Await";
       NodeType.Await = 17;
       NodeType._map[18] = "In";
       NodeType.In = 18;
       NodeType._map[19] = "Dot";
       NodeType.Dot = 19;
       NodeType._map[20] = "From";
       NodeType.From = 20;
       NodeType._map[21] = "Is";
       NodeType.Is = 21;
       NodeType._map[22] = "InstOf";
       NodeType.InstOf = 22;
       NodeType._map[23] = "Typeof";
       NodeType.Typeof = 23;
       NodeType._map[24] = "NumberLit";
       NodeType.NumberLit = 24;
       NodeType._map[25] = "Name";
       NodeType.Name = 25;
       NodeType._map[26] = "TypeRef";
       NodeType.TypeRef = 26;
       NodeType._map[27] = "Index";
       NodeType.Index = 27;
       NodeType._map[28] = "Call";
       NodeType.Call = 28;
       NodeType._map[29] = "New";
       NodeType.New = 29;
       NodeType._map[30] = "Asg";
       NodeType.Asg = 30;
       NodeType._map[31] = "AsgAdd";
       NodeType.AsgAdd = 31;
       NodeType._map[32] = "AsgSub";
       NodeType.AsgSub = 32;
       NodeType._map[33] = "AsgDiv";
       NodeType.AsgDiv = 33;
       NodeType._map[34] = "AsgMul";
       NodeType.AsgMul = 34;
       NodeType._map[35] = "AsgMod";
       NodeType.AsgMod = 35;
       NodeType._map[36] = "AsgAnd";
       NodeType.AsgAnd = 36;
       NodeType._map[37] = "AsgXor";
       NodeType.AsgXor = 37;
       NodeType._map[38] = "AsgOr";
       NodeType.AsgOr = 38;
       NodeType._map[39] = "AsgLsh";
       NodeType.AsgLsh = 39;
       NodeType._map[40] = "AsgRsh";
       NodeType.AsgRsh = 40;
       NodeType._map[41] = "AsgRs2";
       NodeType.AsgRs2 = 41;
       NodeType._map[42] = "ConditionalExpression";
       NodeType.ConditionalExpression = 42;
       NodeType._map[43] = "LogOr";
       NodeType.LogOr = 43;
       NodeType._map[44] = "LogAnd";
       NodeType.LogAnd = 44;
       NodeType._map[45] = "Or";
       NodeType.Or = 45;
       NodeType._map[46] = "Xor";
       NodeType.Xor = 46;
       NodeType._map[47] = "And";
       NodeType.And = 47;
       NodeType._map[48] = "Eq";
       NodeType.Eq = 48;
       NodeType._map[49] = "Ne";
       NodeType.Ne = 49;
       NodeType._map[50] = "Eqv";
       NodeType.Eqv = 50;
       NodeType._map[51] = "NEqv";
       NodeType.NEqv = 51;
       NodeType._map[52] = "Lt";
       NodeType.Lt = 52;
       NodeType._map[53] = "Le";
       NodeType.Le = 53;
       NodeType._map[54] = "Gt";
       NodeType.Gt = 54;
       NodeType._map[55] = "Ge";
       NodeType.Ge = 55;
       NodeType._map[56] = "Add";
       NodeType.Add = 56;
       NodeType._map[57] = "Sub";
       NodeType.Sub = 57;
       NodeType._map[58] = "Mul";
       NodeType.Mul = 58;
       NodeType._map[59] = "Div";
       NodeType.Div = 59;
       NodeType._map[60] = "Mod";
       NodeType.Mod = 60;
       NodeType._map[61] = "Lsh";
       NodeType.Lsh = 61;
       NodeType._map[62] = "Rsh";
       NodeType.Rsh = 62;
       NodeType._map[63] = "Rs2";
       NodeType.Rs2 = 63;
       NodeType._map[64] = "Not";
       NodeType.Not = 64;
       NodeType._map[65] = "LogNot";
       NodeType.LogNot = 65;
       NodeType._map[66] = "IncPre";
       NodeType.IncPre = 66;
       NodeType._map[67] = "DecPre";
       NodeType.DecPre = 67;
       NodeType._map[68] = "IncPost";
       NodeType.IncPost = 68;
       NodeType._map[69] = "DecPost";
       NodeType.DecPost = 69;
       NodeType._map[70] = "TypeAssertion";
       NodeType.TypeAssertion = 70;
       NodeType._map[71] = "FuncDecl";
       NodeType.FuncDecl = 71;
       NodeType._map[72] = "Member";
       NodeType.Member = 72;
       NodeType._map[73] = "VarDecl";
       NodeType.VarDecl = 73;
       NodeType._map[74] = "ArgDecl";
       NodeType.ArgDecl = 74;
       NodeType._map[75] = "Return";
       NodeType.Return = 75;
       NodeType._map[76] = "Break";
       NodeType.Break = 76;
       NodeType._map[77] = "Continue";
       NodeType.Continue = 77;
       NodeType._map[78] = "Throw";
       NodeType.Throw = 78;
       NodeType._map[79] = "For";
       NodeType.For = 79;
       NodeType._map[80] = "ForIn";
       NodeType.ForIn = 80;
       NodeType._map[81] = "If";
       NodeType.If = 81;
       NodeType._map[82] = "While";
       NodeType.While = 82;
       NodeType._map[83] = "DoWhile";
       NodeType.DoWhile = 83;
       NodeType._map[84] = "Block";
       NodeType.Block = 84;
       NodeType._map[85] = "Case";
       NodeType.Case = 85;
       NodeType._map[86] = "Switch";
       NodeType.Switch = 86;
       NodeType._map[87] = "Try";
       NodeType.Try = 87;
       NodeType._map[88] = "TryCatch";
       NodeType.TryCatch = 88;
       NodeType._map[89] = "TryFinally";
       NodeType.TryFinally = 89;
       NodeType._map[90] = "Finally";
       NodeType.Finally = 90;
       NodeType._map[91] = "Catch";
       NodeType.Catch = 91;
       NodeType._map[92] = "List";
       NodeType.List = 92;
       NodeType._map[93] = "Script";
       NodeType.Script = 93;
       NodeType._map[94] = "ClassDeclaration";
       NodeType.ClassDeclaration = 94;
       NodeType._map[95] = "InterfaceDeclaration";
       NodeType.InterfaceDeclaration = 95;
       NodeType._map[96] = "ModuleDeclaration";
       NodeType.ModuleDeclaration = 96;
       NodeType._map[97] = "ImportDeclaration";
       NodeType.ImportDeclaration = 97;
       NodeType._map[98] = "With";
       NodeType.With = 98;
       NodeType._map[99] = "Label";
       NodeType.Label = 99;
       NodeType._map[100] = "LabeledStatement";
       NodeType.LabeledStatement = 100;
       NodeType._map[101] = "EBStart";
       NodeType.EBStart = 101;
       NodeType._map[102] = "GotoEB";
       NodeType.GotoEB = 102;
       NodeType._map[103] = "EndCode";
       NodeType.EndCode = 103;
       NodeType._map[104] = "Error";
       NodeType.Error = 104;
       NodeType._map[105] = "Comment";
       NodeType.Comment = 105;
       NodeType._map[106] = "Debugger";
       NodeType.Debugger = 106;
       NodeType.GeneralNode = NodeType.FuncDecl;
       NodeType.LastAsg = NodeType.AsgRs2;
   })(TypeScript.NodeType || (TypeScript.NodeType = {}));
   var NodeType = TypeScript.NodeType;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var BlockIntrinsics = (function () {
       function BlockIntrinsics() {
           this.prototype = undefined;
           this.toString = undefined;
           this.toLocaleString = undefined;
           this.valueOf = undefined;
           this.hasOwnProperty = undefined;
           this.propertyIsEnumerable = undefined;
           this.isPrototypeOf = undefined;
           this["constructor"] = undefined;
       }
       return BlockIntrinsics;
   })();
   TypeScript.BlockIntrinsics = BlockIntrinsics;    
   var StringHashTable = (function () {
       function StringHashTable() {
           this.itemCount = 0;
           this.table = (new BlockIntrinsics());
       }
       StringHashTable.prototype.getAllKeys = function () {
           var result = [];
           for(var k in this.table) {
               if(this.table[k] != undefined) {
                   result[result.length] = k;
               }
           }
           return result;
       };
       StringHashTable.prototype.add = function (key, data) {
           if(this.table[key] != undefined) {
               return false;
           }
           this.table[key] = data;
           this.itemCount++;
           return true;
       };
       StringHashTable.prototype.addOrUpdate = function (key, data) {
           if(this.table[key] != undefined) {
               this.table[key] = data;
               return false;
           }
           this.table[key] = data;
           this.itemCount++;
           return true;
       };
       StringHashTable.prototype.map = function (fn, context) {
           for(var k in this.table) {
               var data = this.table[k];
               if(data != undefined) {
                   fn(k, this.table[k], context);
               }
           }
       };
       StringHashTable.prototype.every = function (fn, context) {
           for(var k in this.table) {
               var data = this.table[k];
               if(data != undefined) {
                   if(!fn(k, this.table[k], context)) {
                       return false;
                   }
               }
           }
           return true;
       };
       StringHashTable.prototype.some = function (fn, context) {
           for(var k in this.table) {
               var data = this.table[k];
               if(data != undefined) {
                   if(fn(k, this.table[k], context)) {
                       return true;
                   }
               }
           }
           return false;
       };
       StringHashTable.prototype.count = function () {
           return this.itemCount;
       };
       StringHashTable.prototype.lookup = function (key) {
           var data = this.table[key];
           if(data != undefined) {
               return data;
           } else {
               return (null);
           }
       };
       return StringHashTable;
   })();
   TypeScript.StringHashTable = StringHashTable;    
   var DualStringHashTable = (function () {
       function DualStringHashTable(primaryTable, secondaryTable) {
           this.primaryTable = primaryTable;
           this.secondaryTable = secondaryTable;
           this.insertPrimary = true;
       }
       DualStringHashTable.prototype.getAllKeys = function () {
           return this.primaryTable.getAllKeys().concat(this.secondaryTable.getAllKeys());
       };
       DualStringHashTable.prototype.add = function (key, data) {
           if(this.insertPrimary) {
               return this.primaryTable.add(key, data);
           } else {
               return this.secondaryTable.add(key, data);
           }
       };
       DualStringHashTable.prototype.addOrUpdate = function (key, data) {
           if(this.insertPrimary) {
               return this.primaryTable.addOrUpdate(key, data);
           } else {
               return this.secondaryTable.addOrUpdate(key, data);
           }
       };
       DualStringHashTable.prototype.map = function (fn, context) {
           this.primaryTable.map(fn, context);
           this.secondaryTable.map(fn, context);
       };
       DualStringHashTable.prototype.every = function (fn, context) {
           return this.primaryTable.every(fn, context) && this.secondaryTable.every(fn, context);
       };
       DualStringHashTable.prototype.some = function (fn, context) {
           return this.primaryTable.some(fn, context) || this.secondaryTable.some(fn, context);
       };
       DualStringHashTable.prototype.count = function () {
           return this.primaryTable.count() + this.secondaryTable.count();
       };
       DualStringHashTable.prototype.lookup = function (key) {
           var data = this.primaryTable.lookup(key);
           if(data != undefined) {
               return data;
           } else {
               return this.secondaryTable.lookup(key);
           }
       };
       return DualStringHashTable;
   })();
   TypeScript.DualStringHashTable = DualStringHashTable;    
   function numberHashFn(key) {
       var c2 = 668265261;
       key = (key ^ 61) ^ (key >>> 16);
       key = key + (key << 3);
       key = key ^ (key >>> 4);
       key = key * c2;
       key = key ^ (key >>> 15);
       return key;
   }
   TypeScript.numberHashFn = numberHashFn;
   function combineHashes(key1, key2) {
       return key2 ^ ((key1 >> 5) + key1);
   }
   TypeScript.combineHashes = combineHashes;
   var HashEntry = (function () {
       function HashEntry(key, data) {
           this.key = key;
           this.data = data;
       }
       return HashEntry;
   })();
   TypeScript.HashEntry = HashEntry;    
   var HashTable = (function () {
       function HashTable(size, hashFn, equalsFn) {
           this.size = size;
           this.hashFn = hashFn;
           this.equalsFn = equalsFn;
           this.itemCount = 0;
           this.table = new Array();
           for(var i = 0; i < this.size; i++) {
               this.table[i] = null;
           }
       }
       HashTable.prototype.add = function (key, data) {
           var current;
           var entry = new HashEntry(key, data);
           var val = this.hashFn(key);
           val = val % this.size;
           for(current = this.table[val]; current != null; current = current.next) {
               if(this.equalsFn(key, current.key)) {
                   return false;
               }
           }
           entry.next = this.table[val];
           this.table[val] = entry;
           this.itemCount++;
           return true;
       };
       HashTable.prototype.remove = function (key) {
           var current;
           var val = this.hashFn(key);
           val = val % this.size;
           var result = null;
           var prevEntry = null;
           for(current = this.table[val]; current != null; current = current.next) {
               if(this.equalsFn(key, current.key)) {
                   result = current.data;
                   this.itemCount--;
                   if(prevEntry) {
                       prevEntry.next = current.next;
                   } else {
                       this.table[val] = current.next;
                   }
                   break;
               }
               prevEntry = current;
           }
           return result;
       };
       HashTable.prototype.count = function () {
           return this.itemCount;
       };
       HashTable.prototype.lookup = function (key) {
           var current;
           var val = this.hashFn(key);
           val = val % this.size;
           for(current = this.table[val]; current != null; current = current.next) {
               if(this.equalsFn(key, current.key)) {
                   return (current.data);
               }
           }
           return (null);
       };
       return HashTable;
   })();
   TypeScript.HashTable = HashTable;    
   var SimpleHashTable = (function () {
       function SimpleHashTable() {
           this.keys = [];
           this.values = [];
       }
       SimpleHashTable.prototype.lookup = function (key, findValue) {
           var searchArray = this.keys;
           if(findValue) {
               searchArray = this.values;
           }
           for(var i = 0; i < searchArray.length; i++) {
               if(searchArray[i] == key) {
                   return {
                       key: this.keys[i],
                       data: this.values[i]
                   };
               }
           }
           return null;
       };
       SimpleHashTable.prototype.add = function (key, data) {
           var lookupData = this.lookup(key);
           if(lookupData) {
               return false;
           }
           this.keys[this.keys.length] = key;
           this.values[this.values.length] = data;
           return true;
       };
       return SimpleHashTable;
   })();
   TypeScript.SimpleHashTable = SimpleHashTable;    
})(TypeScript || (TypeScript = {}));
var __extends = this.__extends || function (d, b) {
   function __() { this.constructor = d; }
   __.prototype = b.prototype;
   d.prototype = new __();
};
var TypeScript;
(function (TypeScript) {
   var ASTSpan = (function () {
       function ASTSpan() {
           this.minChar = -1;
           this.limChar = -1;
       }
       return ASTSpan;
   })();
   TypeScript.ASTSpan = ASTSpan;    
   var AST = (function (_super) {
       __extends(AST, _super);
       function AST(nodeType) {
               _super.call(this);
           this.nodeType = nodeType;
           this.type = null;
           this.flags = TypeScript.ASTFlags.Writeable;
           this.passCreated = TypeScript.CompilerDiagnostics.analysisPass;
           this.preComments = null;
           this.postComments = null;
           this.docComments = null;
           this.isParenthesized = false;
       }
       AST.prototype.isExpression = function () {
           return false;
       };
       AST.prototype.isStatementOrExpression = function () {
           return false;
       };
       AST.prototype.isCompoundStatement = function () {
           return false;
       };
       AST.prototype.isLeaf = function () {
           return this.isStatementOrExpression() && (!this.isCompoundStatement());
       };
       AST.prototype.isDeclaration = function () {
           return false;
       };
       AST.prototype.typeCheck = function (typeFlow) {
           switch(this.nodeType) {
               case TypeScript.NodeType.Error:
               case TypeScript.NodeType.EmptyExpr: {
                   this.type = typeFlow.anyType;
                   break;

               }
               case TypeScript.NodeType.This: {
                   return typeFlow.typeCheckThis(this);

               }
               case TypeScript.NodeType.Null: {
                   this.type = typeFlow.nullType;
                   break;

               }
               case TypeScript.NodeType.False:
               case TypeScript.NodeType.True: {
                   this.type = typeFlow.booleanType;
                   break;

               }
               case TypeScript.NodeType.Super: {
                   return typeFlow.typeCheckSuper(this);

               }
               case TypeScript.NodeType.EndCode:
               case TypeScript.NodeType.Empty:
               case TypeScript.NodeType.Void: {
                   this.type = typeFlow.voidType;
                   break;

               }
               default: {
                   throw new Error("please implement in derived class");

               }
           }
           return this;
       };
       AST.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           switch(this.nodeType) {
               case TypeScript.NodeType.This: {
                   emitter.recordSourceMappingStart(this);
                   if(emitter.thisFnc && (TypeScript.hasFlag(emitter.thisFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                       emitter.writeToOutput("_this");
                   } else {
                       emitter.writeToOutput("this");
                   }
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               case TypeScript.NodeType.Null: {
                   emitter.recordSourceMappingStart(this);
                   emitter.writeToOutput("null");
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               case TypeScript.NodeType.False: {
                   emitter.recordSourceMappingStart(this);
                   emitter.writeToOutput("false");
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               case TypeScript.NodeType.True: {
                   emitter.recordSourceMappingStart(this);
                   emitter.writeToOutput("true");
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               case TypeScript.NodeType.Super: {
                   emitter.recordSourceMappingStart(this);
                   emitter.emitSuperReference();
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               case TypeScript.NodeType.EndCode:
               case TypeScript.NodeType.Error:
               case TypeScript.NodeType.EmptyExpr: {
                   break;

               }
               case TypeScript.NodeType.Empty: {
                   emitter.recordSourceMappingStart(this);
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               case TypeScript.NodeType.Void: {
                   emitter.recordSourceMappingStart(this);
                   emitter.writeToOutput("void ");
                   emitter.recordSourceMappingEnd(this);
                   break;

               }
               default: {
                   throw new Error("please implement in derived class");

               }
           }
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       AST.prototype.print = function (context) {
           context.startLine();
           var lineCol = {
               line: -1,
               col: -1
           };
           var limLineCol = {
               line: -1,
               col: -1
           };
           if(context.parser !== null) {
               context.parser.getSourceLineCol(lineCol, this.minChar);
               context.parser.getSourceLineCol(limLineCol, this.limChar);
               context.write("(" + lineCol.line + "," + lineCol.col + ")--" + "(" + limLineCol.line + "," + limLineCol.col + "): ");
           }
           var lab = this.printLabel();
           if(TypeScript.hasFlag(this.flags, TypeScript.ASTFlags.Error)) {
               lab += " (Error)";
           }
           context.writeLine(lab);
       };
       AST.prototype.printLabel = function () {
           if(TypeScript.nodeTypeTable[this.nodeType] !== undefined) {
               return TypeScript.nodeTypeTable[this.nodeType];
           } else {
               return (TypeScript.NodeType)._map[this.nodeType];
           }
       };
       AST.prototype.addToControlFlow = function (context) {
           context.walker.options.goChildren = false;
           context.addContent(this);
       };
       AST.prototype.netFreeUses = function (container, freeUses) {
       };
       AST.prototype.treeViewLabel = function () {
           return (TypeScript.NodeType)._map[this.nodeType];
       };
       AST.getResolvedIdentifierName = function getResolvedIdentifierName(name) {
           if(!name) {
               return "";
           }
           var resolved = "";
           var start = 0;
           var i = 0;
           while(i <= name.length - 6) {
               if(name.charAt(i) == '\\' && name.charAt(i + 1) == 'u') {
                   var charCode = parseInt(name.substr(i + 2, 4), 16);
                   resolved += name.substr(start, i - start);
                   resolved += String.fromCharCode(charCode);
                   i += 6;
                   start = i;
                   continue;
               }
               i++;
           }
           resolved += name.substring(start);
           return resolved;
       }
       AST.prototype.getDocComments = function () {
           if(!this.isDeclaration() || !this.preComments || this.preComments.length == 0) {
               return [];
           }
           if(!this.docComments) {
               var preCommentsLength = this.preComments.length;
               var docComments = [];
               for(var i = preCommentsLength - 1; i >= 0; i--) {
                   if(this.preComments[i].isDocComment()) {
                       var prevDocComment = docComments.length > 0 ? docComments[docComments.length - 1] : null;
                       if(prevDocComment == null || (this.preComments[i].limLine == prevDocComment.minLine || this.preComments[i].limLine + 1 == prevDocComment.minLine)) {
                           docComments.push(this.preComments[i]);
                           continue;
                       }
                   }
                   break;
               }
               this.docComments = docComments.reverse();
           }
           return this.docComments;
       };
       return AST;
   })(ASTSpan);
   TypeScript.AST = AST;    
   var IncompleteAST = (function (_super) {
       __extends(IncompleteAST, _super);
       function IncompleteAST(min, lim) {
               _super.call(this, TypeScript.NodeType.Error);
           this.minChar = min;
           this.limChar = lim;
       }
       return IncompleteAST;
   })(AST);
   TypeScript.IncompleteAST = IncompleteAST;    
   var ASTList = (function (_super) {
       __extends(ASTList, _super);
       function ASTList() {
               _super.call(this, TypeScript.NodeType.List);
           this.enclosingScope = null;
           this.members = new Array();
       }
       ASTList.prototype.addToControlFlow = function (context) {
           var len = this.members.length;
           for(var i = 0; i < len; i++) {
               if(context.noContinuation) {
                   context.addUnreachable(this.members[i]);
                   break;
               } else {
                   this.members[i] = context.walk(this.members[i], this);
               }
           }
           context.walker.options.goChildren = false;
       };
       ASTList.prototype.append = function (ast) {
           this.members[this.members.length] = ast;
           return this;
       };
       ASTList.prototype.appendAll = function (ast) {
           if(ast.nodeType == TypeScript.NodeType.List) {
               var list = ast;
               for(var i = 0, len = list.members.length; i < len; i++) {
                   this.append(list.members[i]);
               }
           } else {
               this.append(ast);
           }
           return this;
       };
       ASTList.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.recordSourceMappingStart(this);
           emitter.emitJavascriptList(this, null, TypeScript.TokenID.Semicolon, startLine, false, false);
           emitter.recordSourceMappingEnd(this);
       };
       ASTList.prototype.typeCheck = function (typeFlow) {
           var len = this.members.length;
           typeFlow.nestingLevel++;
           for(var i = 0; i < len; i++) {
               if(this.members[i]) {
                   this.members[i] = this.members[i].typeCheck(typeFlow);
               }
           }
           typeFlow.nestingLevel--;
           return this;
       };
       return ASTList;
   })(AST);
   TypeScript.ASTList = ASTList;    
   var Identifier = (function (_super) {
       __extends(Identifier, _super);
       function Identifier(actualText, hasEscapeSequence) {
               _super.call(this, TypeScript.NodeType.Name);
           this.actualText = actualText;
           this.hasEscapeSequence = hasEscapeSequence;
           this.sym = null;
           this.cloId = -1;
           this.setText(actualText, hasEscapeSequence);
       }
       Identifier.prototype.setText = function (actualText, hasEscapeSequence) {
           this.actualText = actualText;
           if(hasEscapeSequence) {
               this.text = AST.getResolvedIdentifierName(actualText);
           } else {
               this.text = actualText;
           }
       };
       Identifier.prototype.isMissing = function () {
           return false;
       };
       Identifier.prototype.isLeaf = function () {
           return true;
       };
       Identifier.prototype.treeViewLabel = function () {
           return "id: " + this.actualText;
       };
       Identifier.prototype.printLabel = function () {
           if(this.actualText) {
               return "id: " + this.actualText;
           } else {
               return "name node";
           }
       };
       Identifier.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckName(this);
       };
       Identifier.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitJavascriptName(this, true);
       };
       Identifier.fromToken = function fromToken(token) {
           return new Identifier(token.getText(), (token).hasEscapeSequence);
       }
       return Identifier;
   })(AST);
   TypeScript.Identifier = Identifier;    
   var MissingIdentifier = (function (_super) {
       __extends(MissingIdentifier, _super);
       function MissingIdentifier() {
               _super.call(this, "__missing");
       }
       MissingIdentifier.prototype.isMissing = function () {
           return true;
       };
       MissingIdentifier.prototype.emit = function (emitter, tokenId, startLine) {
       };
       return MissingIdentifier;
   })(Identifier);
   TypeScript.MissingIdentifier = MissingIdentifier;    
   var Label = (function (_super) {
       __extends(Label, _super);
       function Label(id) {
               _super.call(this, TypeScript.NodeType.Label);
           this.id = id;
       }
       Label.prototype.printLabel = function () {
           return this.id.actualText + ":";
       };
       Label.prototype.typeCheck = function (typeFlow) {
           this.type = typeFlow.voidType;
           return this;
       };
       Label.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.recordSourceMappingStart(this.id);
           emitter.writeToOutput(this.id.actualText);
           emitter.recordSourceMappingEnd(this.id);
           emitter.writeLineToOutput(":");
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return Label;
   })(AST);
   TypeScript.Label = Label;    
   var Expression = (function (_super) {
       __extends(Expression, _super);
       function Expression(nodeType) {
               _super.call(this, nodeType);
       }
       Expression.prototype.isExpression = function () {
           return true;
       };
       Expression.prototype.isStatementOrExpression = function () {
           return true;
       };
       return Expression;
   })(AST);
   TypeScript.Expression = Expression;    
   var UnaryExpression = (function (_super) {
       __extends(UnaryExpression, _super);
       function UnaryExpression(nodeType, operand) {
               _super.call(this, nodeType);
           this.operand = operand;
           this.targetType = null;
           this.castTerm = null;
       }
       UnaryExpression.prototype.addToControlFlow = function (context) {
           _super.prototype.addToControlFlow.call(this, context);
           if(this.nodeType == TypeScript.NodeType.Throw) {
               context.returnStmt();
           }
       };
       UnaryExpression.prototype.typeCheck = function (typeFlow) {
           switch(this.nodeType) {
               case TypeScript.NodeType.Not: {
                   return typeFlow.typeCheckBitNot(this);

               }
               case TypeScript.NodeType.LogNot: {
                   return typeFlow.typeCheckLogNot(this);

               }
               case TypeScript.NodeType.Pos:
               case TypeScript.NodeType.Neg: {
                   return typeFlow.typeCheckUnaryNumberOperator(this);

               }
               case TypeScript.NodeType.IncPost:
               case TypeScript.NodeType.IncPre:
               case TypeScript.NodeType.DecPost:
               case TypeScript.NodeType.DecPre: {
                   return typeFlow.typeCheckIncOrDec(this);

               }
               case TypeScript.NodeType.ArrayLit: {
                   typeFlow.typeCheckArrayLit(this);
                   return this;

               }
               case TypeScript.NodeType.ObjectLit: {
                   typeFlow.typeCheckObjectLit(this);
                   return this;

               }
               case TypeScript.NodeType.Throw: {
                   this.operand = typeFlow.typeCheck(this.operand);
                   this.type = typeFlow.voidType;
                   return this;

               }
               case TypeScript.NodeType.Typeof: {
                   this.operand = typeFlow.typeCheck(this.operand);
                   this.type = typeFlow.stringType;
                   return this;

               }
               case TypeScript.NodeType.Delete: {
                   this.operand = typeFlow.typeCheck(this.operand);
                   this.type = typeFlow.booleanType;
                   break;

               }
               case TypeScript.NodeType.TypeAssertion: {
                   this.castTerm = typeFlow.typeCheck(this.castTerm);
                   var applyTargetType = !this.operand.isParenthesized;
                   var targetType = applyTargetType ? this.castTerm.type : null;
                   typeFlow.checker.typeCheckWithContextualType(targetType, typeFlow.checker.inProvisionalTypecheckMode(), true, this.operand);
                   typeFlow.castWithCoercion(this.operand, this.castTerm.type, false, true);
                   this.type = this.castTerm.type;
                   return this;

               }
               case TypeScript.NodeType.Void: {
                   this.operand = typeFlow.typeCheck(this.operand);
                   this.type = typeFlow.checker.undefinedType;
                   break;

               }
               default: {
                   throw new Error("please implement in derived class");

               }
           }
           return this;
       };
       UnaryExpression.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           switch(this.nodeType) {
               case TypeScript.NodeType.IncPost: {
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.PlusPlus, false);
                   emitter.writeToOutput("++");
                   break;

               }
               case TypeScript.NodeType.LogNot: {
                   emitter.writeToOutput("!");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Exclamation, false);
                   break;

               }
               case TypeScript.NodeType.DecPost: {
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.MinusMinus, false);
                   emitter.writeToOutput("--");
                   break;

               }
               case TypeScript.NodeType.ObjectLit: {
                   emitter.emitObjectLiteral(this.operand);
                   break;

               }
               case TypeScript.NodeType.ArrayLit: {
                   emitter.emitArrayLiteral(this.operand);
                   break;

               }
               case TypeScript.NodeType.Not: {
                   emitter.writeToOutput("~");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                   break;

               }
               case TypeScript.NodeType.Neg: {
                   emitter.writeToOutput("-");
                   if(this.operand.nodeType == TypeScript.NodeType.Neg) {
                       this.operand.isParenthesized = true;
                   }
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Minus, false);
                   break;

               }
               case TypeScript.NodeType.Pos: {
                   emitter.writeToOutput("+");
                   if(this.operand.nodeType == TypeScript.NodeType.Pos) {
                       this.operand.isParenthesized = true;
                   }
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Plus, false);
                   break;

               }
               case TypeScript.NodeType.IncPre: {
                   emitter.writeToOutput("++");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.PlusPlus, false);
                   break;

               }
               case TypeScript.NodeType.DecPre: {
                   emitter.writeToOutput("--");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.MinusMinus, false);
                   break;

               }
               case TypeScript.NodeType.Throw: {
                   emitter.writeToOutput("throw ");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                   emitter.writeToOutput(";");
                   break;

               }
               case TypeScript.NodeType.Typeof: {
                   emitter.writeToOutput("typeof ");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                   break;

               }
               case TypeScript.NodeType.Delete: {
                   emitter.writeToOutput("delete ");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                   break;

               }
               case TypeScript.NodeType.Void: {
                   emitter.writeToOutput("void ");
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                   break;

               }
               case TypeScript.NodeType.TypeAssertion: {
                   emitter.emitJavascript(this.operand, TypeScript.TokenID.Tilde, false);
                   break;

               }
               default: {
                   throw new Error("please implement in derived class");

               }
           }
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return UnaryExpression;
   })(Expression);
   TypeScript.UnaryExpression = UnaryExpression;    
   var CallExpression = (function (_super) {
       __extends(CallExpression, _super);
       function CallExpression(nodeType, target, arguments) {
               _super.call(this, nodeType);
           this.target = target;
           this.arguments = arguments;
           this.signature = null;
           this.minChar = this.target.minChar;
       }
       CallExpression.prototype.typeCheck = function (typeFlow) {
           if(this.nodeType == TypeScript.NodeType.New) {
               return typeFlow.typeCheckNew(this);
           } else {
               return typeFlow.typeCheckCall(this);
           }
       };
       CallExpression.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(this.nodeType == TypeScript.NodeType.New) {
               emitter.emitNew(this.target, this.arguments);
           } else {
               emitter.emitCall(this, this.target, this.arguments);
           }
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return CallExpression;
   })(Expression);
   TypeScript.CallExpression = CallExpression;    
   var BinaryExpression = (function (_super) {
       __extends(BinaryExpression, _super);
       function BinaryExpression(nodeType, operand1, operand2) {
               _super.call(this, nodeType);
           this.operand1 = operand1;
           this.operand2 = operand2;
       }
       BinaryExpression.prototype.typeCheck = function (typeFlow) {
           switch(this.nodeType) {
               case TypeScript.NodeType.Dot: {
                   return typeFlow.typeCheckDotOperator(this);

               }
               case TypeScript.NodeType.Asg: {
                   return typeFlow.typeCheckAsgOperator(this);

               }
               case TypeScript.NodeType.Add:
               case TypeScript.NodeType.Sub:
               case TypeScript.NodeType.Mul:
               case TypeScript.NodeType.Div:
               case TypeScript.NodeType.Mod:
               case TypeScript.NodeType.Or:
               case TypeScript.NodeType.And: {
                   return typeFlow.typeCheckArithmeticOperator(this, false);

               }
               case TypeScript.NodeType.Xor: {
                   return typeFlow.typeCheckBitwiseOperator(this, false);

               }
               case TypeScript.NodeType.Ne:
               case TypeScript.NodeType.Eq: {
                   var text;
                   if(typeFlow.checker.styleSettings.eqeqeq) {
                       text = TypeScript.nodeTypeTable[this.nodeType];
                       typeFlow.checker.errorReporter.styleError(this, "use of " + text);
                   } else {
                       if(typeFlow.checker.styleSettings.eqnull) {
                           text = TypeScript.nodeTypeTable[this.nodeType];
                           if((this.operand2 !== null) && (this.operand2.nodeType == TypeScript.NodeType.Null)) {
                               typeFlow.checker.errorReporter.styleError(this, "use of " + text + " to compare with null");
                           }
                       }
                   }

               }
               case TypeScript.NodeType.Eqv:
               case TypeScript.NodeType.NEqv:
               case TypeScript.NodeType.Lt:
               case TypeScript.NodeType.Le:
               case TypeScript.NodeType.Ge:
               case TypeScript.NodeType.Gt: {
                   return typeFlow.typeCheckBooleanOperator(this);

               }
               case TypeScript.NodeType.Index: {
                   return typeFlow.typeCheckIndex(this);

               }
               case TypeScript.NodeType.Member: {
                   this.type = typeFlow.voidType;
                   return this;

               }
               case TypeScript.NodeType.LogOr: {
                   return typeFlow.typeCheckLogOr(this);

               }
               case TypeScript.NodeType.LogAnd: {
                   return typeFlow.typeCheckLogAnd(this);

               }
               case TypeScript.NodeType.AsgAdd:
               case TypeScript.NodeType.AsgSub:
               case TypeScript.NodeType.AsgMul:
               case TypeScript.NodeType.AsgDiv:
               case TypeScript.NodeType.AsgMod:
               case TypeScript.NodeType.AsgOr:
               case TypeScript.NodeType.AsgAnd: {
                   return typeFlow.typeCheckArithmeticOperator(this, true);

               }
               case TypeScript.NodeType.AsgXor: {
                   return typeFlow.typeCheckBitwiseOperator(this, true);

               }
               case TypeScript.NodeType.Lsh:
               case TypeScript.NodeType.Rsh:
               case TypeScript.NodeType.Rs2: {
                   return typeFlow.typeCheckShift(this, false);

               }
               case TypeScript.NodeType.AsgLsh:
               case TypeScript.NodeType.AsgRsh:
               case TypeScript.NodeType.AsgRs2: {
                   return typeFlow.typeCheckShift(this, true);

               }
               case TypeScript.NodeType.Comma: {
                   return typeFlow.typeCheckCommaOperator(this);

               }
               case TypeScript.NodeType.InstOf: {
                   return typeFlow.typeCheckInstOf(this);

               }
               case TypeScript.NodeType.In: {
                   return typeFlow.typeCheckInOperator(this);

               }
               case TypeScript.NodeType.From: {
                   typeFlow.checker.errorReporter.simpleError(this, "Illegal use of 'from' keyword in binary expression");
                   break;

               }
               default: {
                   throw new Error("please implement in derived class");

               }
           }
           return this;
       };
       BinaryExpression.prototype.emit = function (emitter, tokenId, startLine) {
           var binTokenId = TypeScript.nodeTypeToTokTable[this.nodeType];
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(binTokenId != undefined) {
               emitter.emitJavascript(this.operand1, binTokenId, false);
               if(TypeScript.tokenTable[binTokenId].text == "instanceof") {
                   emitter.writeToOutput(" instanceof ");
               } else {
                   if(TypeScript.tokenTable[binTokenId].text == "in") {
                       emitter.writeToOutput(" in ");
                   } else {
                       emitter.writeToOutputTrimmable(" " + TypeScript.tokenTable[binTokenId].text + " ");
                   }
               }
               emitter.emitJavascript(this.operand2, binTokenId, false);
           } else {
               switch(this.nodeType) {
                   case TypeScript.NodeType.Dot: {
                       if(!emitter.tryEmitConstant(this)) {
                           emitter.emitJavascript(this.operand1, TypeScript.TokenID.Dot, false);
                           emitter.writeToOutput(".");
                           emitter.emitJavascriptName(this.operand2, false);
                       }
                       break;

                   }
                   case TypeScript.NodeType.Index: {
                       emitter.emitIndex(this.operand1, this.operand2);
                       break;

                   }
                   case TypeScript.NodeType.Member: {
                       if(this.operand2.nodeType == TypeScript.NodeType.FuncDecl && (this.operand2).isAccessor()) {
                           var funcDecl = this.operand2;
                           if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                               emitter.writeToOutput("get ");
                           } else {
                               emitter.writeToOutput("set ");
                           }
                           emitter.emitJavascript(this.operand1, TypeScript.TokenID.Colon, false);
                       } else {
                           emitter.emitJavascript(this.operand1, TypeScript.TokenID.Colon, false);
                           emitter.writeToOutputTrimmable(": ");
                       }
                       emitter.emitJavascript(this.operand2, TypeScript.TokenID.Comma, false);
                       break;

                   }
                   case TypeScript.NodeType.Comma: {
                       emitter.emitJavascript(this.operand1, TypeScript.TokenID.Comma, false);
                       if(emitter.emitState.inObjectLiteral) {
                           emitter.writeLineToOutput(", ");
                       } else {
                           emitter.writeToOutput(",");
                       }
                       emitter.emitJavascript(this.operand2, TypeScript.TokenID.Comma, false);
                       break;

                   }
                   case TypeScript.NodeType.Is: {
                       throw new Error("should be de-sugared during type check");

                   }
                   default: {
                       throw new Error("please implement in derived class");

                   }
               }
           }
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return BinaryExpression;
   })(Expression);
   TypeScript.BinaryExpression = BinaryExpression;    
   var ConditionalExpression = (function (_super) {
       __extends(ConditionalExpression, _super);
       function ConditionalExpression(operand1, operand2, operand3) {
               _super.call(this, TypeScript.NodeType.ConditionalExpression);
           this.operand1 = operand1;
           this.operand2 = operand2;
           this.operand3 = operand3;
       }
       ConditionalExpression.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckQMark(this);
       };
       ConditionalExpression.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.emitJavascript(this.operand1, TypeScript.TokenID.Question, false);
           emitter.writeToOutput(" ? ");
           emitter.emitJavascript(this.operand2, TypeScript.TokenID.Question, false);
           emitter.writeToOutput(" : ");
           emitter.emitJavascript(this.operand3, TypeScript.TokenID.Question, false);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return ConditionalExpression;
   })(Expression);
   TypeScript.ConditionalExpression = ConditionalExpression;    
   var NumberLiteral = (function (_super) {
       __extends(NumberLiteral, _super);
       function NumberLiteral(value, hasEmptyFraction) {
               _super.call(this, TypeScript.NodeType.NumberLit);
           this.value = value;
           this.hasEmptyFraction = hasEmptyFraction;
           this.isNegativeZero = false;
       }
       NumberLiteral.prototype.typeCheck = function (typeFlow) {
           this.type = typeFlow.doubleType;
           return this;
       };
       NumberLiteral.prototype.treeViewLabel = function () {
           return "num: " + this.printLabel();
       };
       NumberLiteral.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(this.isNegativeZero) {
               emitter.writeToOutput("-");
           }
           emitter.writeToOutput(this.value.toString());
           if(this.hasEmptyFraction) {
               emitter.writeToOutput(".0");
           }
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       NumberLiteral.prototype.printLabel = function () {
           if(Math.floor(this.value) != this.value) {
               return this.value.toFixed(2).toString();
           } else {
               if(this.hasEmptyFraction) {
                   return this.value.toString() + ".0";
               } else {
                   return this.value.toString();
               }
           }
       };
       return NumberLiteral;
   })(Expression);
   TypeScript.NumberLiteral = NumberLiteral;    
   var RegexLiteral = (function (_super) {
       __extends(RegexLiteral, _super);
       function RegexLiteral(regex) {
               _super.call(this, TypeScript.NodeType.Regex);
           this.regex = regex;
       }
       RegexLiteral.prototype.typeCheck = function (typeFlow) {
           this.type = typeFlow.regexType;
           return this;
       };
       RegexLiteral.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeToOutput(this.regex.toString());
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return RegexLiteral;
   })(Expression);
   TypeScript.RegexLiteral = RegexLiteral;    
   var StringLiteral = (function (_super) {
       __extends(StringLiteral, _super);
       function StringLiteral(text) {
               _super.call(this, TypeScript.NodeType.QString);
           this.text = text;
       }
       StringLiteral.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.emitStringLiteral(this.text);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       StringLiteral.prototype.typeCheck = function (typeFlow) {
           this.type = typeFlow.stringType;
           return this;
       };
       StringLiteral.prototype.treeViewLabel = function () {
           return "st: " + this.text;
       };
       StringLiteral.prototype.printLabel = function () {
           return this.text;
       };
       return StringLiteral;
   })(Expression);
   TypeScript.StringLiteral = StringLiteral;    
   var ModuleElement = (function (_super) {
       __extends(ModuleElement, _super);
       function ModuleElement(nodeType) {
               _super.call(this, nodeType);
       }
       return ModuleElement;
   })(AST);
   TypeScript.ModuleElement = ModuleElement;    
   var ImportDeclaration = (function (_super) {
       __extends(ImportDeclaration, _super);
       function ImportDeclaration(id, alias) {
               _super.call(this, TypeScript.NodeType.ImportDeclaration);
           this.id = id;
           this.alias = alias;
           this.varFlags = TypeScript.VarFlags.None;
           this.isDynamicImport = false;
       }
       ImportDeclaration.prototype.isStatementOrExpression = function () {
           return true;
       };
       ImportDeclaration.prototype.isDeclaration = function () {
           return true;
       };
       ImportDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
           var mod = this.alias.type;
           if(!this.isDynamicImport || (this.id.sym && !(this.id.sym).onlyReferencedAsTypeRef)) {
               var prevModAliasId = emitter.modAliasId;
               var prevFirstModAlias = emitter.firstModAlias;
               emitter.recordSourceMappingStart(this);
               emitter.emitParensAndCommentsInPlace(this, true);
               emitter.writeToOutput("var " + this.id.actualText + " = ");
               emitter.modAliasId = this.id.actualText;
               emitter.firstModAlias = this.firstAliasedModToString();
               emitter.emitJavascript(this.alias, TypeScript.TokenID.Tilde, false);
               if(!this.isDynamicImport) {
                   emitter.writeToOutput(";");
               }
               emitter.emitParensAndCommentsInPlace(this, false);
               emitter.recordSourceMappingEnd(this);
               emitter.modAliasId = prevModAliasId;
               emitter.firstModAlias = prevFirstModAlias;
           }
       };
       ImportDeclaration.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckImportDecl(this);
       };
       ImportDeclaration.prototype.getAliasName = function (aliasAST) {
           if (typeof aliasAST === "undefined") { aliasAST = this.alias; }
           if(aliasAST.nodeType == TypeScript.NodeType.Name) {
               return (aliasAST).actualText;
           } else {
               var dotExpr = aliasAST;
               return this.getAliasName(dotExpr.operand1) + "." + this.getAliasName(dotExpr.operand2);
           }
       };
       ImportDeclaration.prototype.firstAliasedModToString = function () {
           if(this.alias.nodeType == TypeScript.NodeType.Name) {
               return (this.alias).actualText;
           } else {
               var dotExpr = this.alias;
               var firstMod = dotExpr.operand1;
               return firstMod.actualText;
           }
       };
       return ImportDeclaration;
   })(ModuleElement);
   TypeScript.ImportDeclaration = ImportDeclaration;    
   var BoundDecl = (function (_super) {
       __extends(BoundDecl, _super);
       function BoundDecl(id, nodeType, nestingLevel) {
               _super.call(this, nodeType);
           this.id = id;
           this.nestingLevel = nestingLevel;
           this.init = null;
           this.typeExpr = null;
           this.varFlags = TypeScript.VarFlags.None;
           this.sym = null;
       }
       BoundDecl.prototype.isDeclaration = function () {
           return true;
       };
       BoundDecl.prototype.isStatementOrExpression = function () {
           return true;
       };
       BoundDecl.prototype.isPrivate = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Private);
       };
       BoundDecl.prototype.isPublic = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Public);
       };
       BoundDecl.prototype.isProperty = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Property);
       };
       BoundDecl.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckBoundDecl(this);
       };
       BoundDecl.prototype.printLabel = function () {
           return this.treeViewLabel();
       };
       return BoundDecl;
   })(AST);
   TypeScript.BoundDecl = BoundDecl;    
   var VarDecl = (function (_super) {
       __extends(VarDecl, _super);
       function VarDecl(id, nest) {
               _super.call(this, id, TypeScript.NodeType.VarDecl, nest);
       }
       VarDecl.prototype.isAmbient = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Ambient);
       };
       VarDecl.prototype.isExported = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Exported);
       };
       VarDecl.prototype.isStatic = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Static);
       };
       VarDecl.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitJavascriptVarDecl(this, tokenId);
       };
       VarDecl.prototype.treeViewLabel = function () {
           return "var " + this.id.actualText;
       };
       return VarDecl;
   })(BoundDecl);
   TypeScript.VarDecl = VarDecl;    
   var ArgDecl = (function (_super) {
       __extends(ArgDecl, _super);
       function ArgDecl(id) {
               _super.call(this, id, TypeScript.NodeType.ArgDecl, 0);
           this.isOptional = false;
           this.parameterPropertySym = null;
       }
       ArgDecl.prototype.isOptionalArg = function () {
           return this.isOptional || this.init;
       };
       ArgDecl.prototype.treeViewLabel = function () {
           return "arg: " + this.id.actualText;
       };
       ArgDecl.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeToOutput(this.id.actualText);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return ArgDecl;
   })(BoundDecl);
   TypeScript.ArgDecl = ArgDecl;    
   var internalId = 0;
   var FuncDecl = (function (_super) {
       __extends(FuncDecl, _super);
       function FuncDecl(name, bod, isConstructor, arguments, vars, scopes, statics, nodeType) {
               _super.call(this, nodeType);
           this.name = name;
           this.bod = bod;
           this.isConstructor = isConstructor;
           this.arguments = arguments;
           this.vars = vars;
           this.scopes = scopes;
           this.statics = statics;
           this.hint = null;
           this.fncFlags = TypeScript.FncFlags.None;
           this.returnTypeAnnotation = null;
           this.variableArgList = false;
           this.jumpRefs = null;
           this.internalNameCache = null;
           this.tmp1Declared = false;
           this.enclosingFnc = null;
           this.freeVariables = [];
           this.unitIndex = -1;
           this.classDecl = null;
           this.boundToProperty = null;
           this.isOverload = false;
           this.innerStaticFuncs = [];
           this.isTargetTypedAsMethod = false;
           this.isInlineCallLiteral = false;
           this.accessorSymbol = null;
           this.leftCurlyCount = 0;
           this.rightCurlyCount = 0;
           this.returnStatementsWithExpressions = [];
           this.scopeType = null;
           this.endingToken = null;
       }
       FuncDecl.prototype.isDeclaration = function () {
           return true;
       };
       FuncDecl.prototype.internalName = function () {
           if(this.internalNameCache == null) {
               var extName = this.getNameText();
               if(extName) {
                   this.internalNameCache = "_internal_" + extName;
               } else {
                   this.internalNameCache = "_internal_" + internalId++;
               }
           }
           return this.internalNameCache;
       };
       FuncDecl.prototype.hasSelfReference = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.HasSelfReference);
       };
       FuncDecl.prototype.setHasSelfReference = function () {
           this.fncFlags |= TypeScript.FncFlags.HasSelfReference;
       };
       FuncDecl.prototype.hasSuperReferenceInFatArrowFunction = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.HasSuperReferenceInFatArrowFunction);
       };
       FuncDecl.prototype.setHasSuperReferenceInFatArrowFunction = function () {
           this.fncFlags |= TypeScript.FncFlags.HasSuperReferenceInFatArrowFunction;
       };
       FuncDecl.prototype.addCloRef = function (id, sym) {
           if(this.envids == null) {
               this.envids = new Array();
           }
           this.envids[this.envids.length] = id;
           var outerFnc = this.enclosingFnc;
           if(sym) {
               while(outerFnc && (outerFnc.type.symbol != sym.container)) {
                   outerFnc.addJumpRef(sym);
                   outerFnc = outerFnc.enclosingFnc;
               }
           }
           return this.envids.length - 1;
       };
       FuncDecl.prototype.addJumpRef = function (sym) {
           if(this.jumpRefs == null) {
               this.jumpRefs = new Array();
           }
           var id = new Identifier(sym.name);
           this.jumpRefs[this.jumpRefs.length] = id;
           id.sym = sym;
           id.cloId = this.addCloRef(id, null);
       };
       FuncDecl.prototype.buildControlFlow = function () {
           var entry = new TypeScript.BasicBlock();
           var exit = new TypeScript.BasicBlock();
           var context = new TypeScript.ControlFlowContext(entry, exit);
           var controlFlowPrefix = function (ast, parent, walker) {
               ast.addToControlFlow(walker.state);
               return ast;
           };
           var walker = TypeScript.getAstWalkerFactory().getWalker(controlFlowPrefix, null, null, context);
           context.walker = walker;
           walker.walk(this.bod, this);
           return context;
       };
       FuncDecl.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckFunction(this);
       };
       FuncDecl.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitJavascriptFunction(this);
       };
       FuncDecl.prototype.getNameText = function () {
           if(this.name) {
               return this.name.actualText;
           } else {
               return this.hint;
           }
       };
       FuncDecl.prototype.isMethod = function () {
           return (this.fncFlags & TypeScript.FncFlags.Method) != TypeScript.FncFlags.None;
       };
       FuncDecl.prototype.isCallMember = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.CallMember);
       };
       FuncDecl.prototype.isConstructMember = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.ConstructMember);
       };
       FuncDecl.prototype.isIndexerMember = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.IndexerMember);
       };
       FuncDecl.prototype.isSpecialFn = function () {
           return this.isCallMember() || this.isIndexerMember() || this.isConstructMember();
       };
       FuncDecl.prototype.isAnonymousFn = function () {
           return this.name === null;
       };
       FuncDecl.prototype.isAccessor = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.GetAccessor) || TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.SetAccessor);
       };
       FuncDecl.prototype.isGetAccessor = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.GetAccessor);
       };
       FuncDecl.prototype.isSetAccessor = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.SetAccessor);
       };
       FuncDecl.prototype.isAmbient = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Ambient);
       };
       FuncDecl.prototype.isExported = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Exported);
       };
       FuncDecl.prototype.isPrivate = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Private);
       };
       FuncDecl.prototype.isPublic = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Public);
       };
       FuncDecl.prototype.isStatic = function () {
           return TypeScript.hasFlag(this.fncFlags, TypeScript.FncFlags.Static);
       };
       FuncDecl.prototype.treeViewLabel = function () {
           if(this.name == null) {
               return "funcExpr";
           } else {
               return "func: " + this.name.actualText;
           }
       };
       FuncDecl.prototype.ClearFlags = function () {
           this.fncFlags = TypeScript.FncFlags.None;
       };
       FuncDecl.prototype.isSignature = function () {
           return (this.fncFlags & TypeScript.FncFlags.Signature) != TypeScript.FncFlags.None;
       };
       return FuncDecl;
   })(AST);
   TypeScript.FuncDecl = FuncDecl;    
   var LocationInfo = (function () {
       function LocationInfo(filename, lineMap, unitIndex) {
           this.filename = filename;
           this.lineMap = lineMap;
           this.unitIndex = unitIndex;
       }
       return LocationInfo;
   })();
   TypeScript.LocationInfo = LocationInfo;    
   TypeScript.unknownLocationInfo = new LocationInfo("unknown", null, -1);
   var Script = (function (_super) {
       __extends(Script, _super);
       function Script(vars, scopes) {
               _super.call(this, new Identifier("script"), null, false, null, vars, scopes, null, TypeScript.NodeType.Script);
           this.locationInfo = null;
           this.referencedFiles = [];
           this.requiresGlobal = false;
           this.requiresExtendsBlock = false;
           this.isResident = false;
           this.isDeclareFile = false;
           this.hasBeenTypeChecked = false;
           this.topLevelMod = null;
           this.leftCurlyCount = 0;
           this.rightCurlyCount = 0;
           this.containsUnicodeChar = false;
           this.containsUnicodeCharInComment = false;
           this.externallyVisibleImportedSymbols = [];
           this.vars = vars;
           this.scopes = scopes;
       }
       Script.prototype.setCachedEmitRequired = function (value) {
           this.cachedEmitRequired = value;
           return this.cachedEmitRequired;
       };
       Script.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckScript(this);
       };
       Script.prototype.treeViewLabel = function () {
           return "Script";
       };
       Script.prototype.emitRequired = function (emitOptions) {
           if(this.cachedEmitRequired != undefined) {
               return this.cachedEmitRequired;
           }
           if(!this.isDeclareFile && !this.isResident && this.bod) {
               for(var i = 0, len = this.bod.members.length; i < len; i++) {
                   var stmt = this.bod.members[i];
                   if(stmt.nodeType == TypeScript.NodeType.ModuleDeclaration) {
                       if(!TypeScript.hasFlag((stmt).modFlags, TypeScript.ModuleFlags.ShouldEmitModuleDecl | TypeScript.ModuleFlags.Ambient)) {
                           return this.setCachedEmitRequired(true);
                       }
                   } else {
                       if(stmt.nodeType == TypeScript.NodeType.ClassDeclaration) {
                           if(!TypeScript.hasFlag((stmt).varFlags, TypeScript.VarFlags.Ambient)) {
                               return this.setCachedEmitRequired(true);
                           }
                       } else {
                           if(stmt.nodeType == TypeScript.NodeType.VarDecl) {
                               if(!TypeScript.hasFlag((stmt).varFlags, TypeScript.VarFlags.Ambient)) {
                                   return this.setCachedEmitRequired(true);
                               }
                           } else {
                               if(stmt.nodeType == TypeScript.NodeType.FuncDecl) {
                                   if(!(stmt).isSignature()) {
                                       return this.setCachedEmitRequired(true);
                                   }
                               } else {
                                   if(stmt.nodeType != TypeScript.NodeType.InterfaceDeclaration && stmt.nodeType != TypeScript.NodeType.Empty) {
                                       return this.setCachedEmitRequired(true);
                                   }
                               }
                           }
                       }
                   }
               }
               if(emitOptions.emitComments && ((this.bod.preComments && this.bod.preComments.length > 0) || (this.bod.postComments && this.bod.postComments.length > 0))) {
                   return this.setCachedEmitRequired(true);
               }
           }
           return this.setCachedEmitRequired(false);
       };
       Script.prototype.emit = function (emitter, tokenId, startLine) {
           if(this.emitRequired(emitter.emitOptions)) {
               emitter.emitParensAndCommentsInPlace(this.bod, true);
               emitter.emitJavascriptList(this.bod, null, TypeScript.TokenID.Semicolon, true, false, false, true, this.requiresExtendsBlock);
               emitter.emitParensAndCommentsInPlace(this.bod, false);
           }
       };
       Script.prototype.AddExternallyVisibleImportedSymbol = function (symbol, checker) {
           if(this.isExternallyVisibleSymbol(symbol)) {
               return;
           }
           if(!symbol.getType().symbol.isExternallyVisible(checker)) {
               var quotes = "";
               var moduleName = symbol.getType().symbol.prettyName;
               if(!TypeScript.isQuoted(moduleName)) {
                   quotes = "'";
               }
               checker.errorReporter.simpleError(symbol.declAST, "Externally visible import statement uses non exported module " + quotes + moduleName + quotes);
           }
           this.externallyVisibleImportedSymbols.push(symbol);
       };
       Script.prototype.isExternallyVisibleSymbol = function (symbol) {
           for(var i = 0; i < this.externallyVisibleImportedSymbols.length; i++) {
               if(this.externallyVisibleImportedSymbols[i] == symbol) {
                   return true;
               }
           }
           return false;
       };
       return Script;
   })(FuncDecl);
   TypeScript.Script = Script;    
   var NamedDeclaration = (function (_super) {
       __extends(NamedDeclaration, _super);
       function NamedDeclaration(nodeType, name, members) {
               _super.call(this, nodeType);
           this.name = name;
           this.members = members;
           this.leftCurlyCount = 0;
           this.rightCurlyCount = 0;
       }
       NamedDeclaration.prototype.isDeclaration = function () {
           return true;
       };
       return NamedDeclaration;
   })(ModuleElement);
   TypeScript.NamedDeclaration = NamedDeclaration;    
   var ModuleDeclaration = (function (_super) {
       __extends(ModuleDeclaration, _super);
       function ModuleDeclaration(name, members, vars, scopes, endingToken) {
               _super.call(this, TypeScript.NodeType.ModuleDeclaration, name, members);
           this.endingToken = endingToken;
           this.modFlags = TypeScript.ModuleFlags.ShouldEmitModuleDecl;
           this.amdDependencies = [];
           this.containsUnicodeChar = false;
           this.containsUnicodeCharInComment = false;
           this.vars = vars;
           this.scopes = scopes;
           this.prettyName = this.name.actualText;
       }
       ModuleDeclaration.prototype.isExported = function () {
           return TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.Exported);
       };
       ModuleDeclaration.prototype.isAmbient = function () {
           return TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.Ambient);
       };
       ModuleDeclaration.prototype.isEnum = function () {
           return TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.IsEnum);
       };
       ModuleDeclaration.prototype.recordNonInterface = function () {
           this.modFlags &= ~TypeScript.ModuleFlags.ShouldEmitModuleDecl;
       };
       ModuleDeclaration.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckModule(this);
       };
       ModuleDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
           if(!TypeScript.hasFlag(this.modFlags, TypeScript.ModuleFlags.ShouldEmitModuleDecl)) {
               emitter.emitParensAndCommentsInPlace(this, true);
               emitter.recordSourceMappingStart(this);
               emitter.emitJavascriptModule(this);
               emitter.recordSourceMappingEnd(this);
               emitter.emitParensAndCommentsInPlace(this, false);
           }
       };
       return ModuleDeclaration;
   })(NamedDeclaration);
   TypeScript.ModuleDeclaration = ModuleDeclaration;    
   var TypeDeclaration = (function (_super) {
       __extends(TypeDeclaration, _super);
       function TypeDeclaration(nodeType, name, extendsList, implementsList, members) {
               _super.call(this, nodeType, name, members);
           this.extendsList = extendsList;
           this.implementsList = implementsList;
           this.varFlags = TypeScript.VarFlags.None;
       }
       TypeDeclaration.prototype.isExported = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Exported);
       };
       TypeDeclaration.prototype.isAmbient = function () {
           return TypeScript.hasFlag(this.varFlags, TypeScript.VarFlags.Ambient);
       };
       return TypeDeclaration;
   })(NamedDeclaration);
   TypeScript.TypeDeclaration = TypeDeclaration;    
   var ClassDeclaration = (function (_super) {
       __extends(ClassDeclaration, _super);
       function ClassDeclaration(name, members, extendsList, implementsList) {
               _super.call(this, TypeScript.NodeType.ClassDeclaration, name, extendsList, implementsList, members);
           this.knownMemberNames = {
           };
           this.constructorDecl = null;
           this.constructorNestingLevel = 0;
           this.endingToken = null;
       }
       ClassDeclaration.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckClass(this);
       };
       ClassDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitJavascriptClass(this);
       };
       return ClassDeclaration;
   })(TypeDeclaration);
   TypeScript.ClassDeclaration = ClassDeclaration;    
   var InterfaceDeclaration = (function (_super) {
       __extends(InterfaceDeclaration, _super);
       function InterfaceDeclaration(name, members, extendsList, implementsList) {
               _super.call(this, TypeScript.NodeType.InterfaceDeclaration, name, extendsList, implementsList, members);
       }
       InterfaceDeclaration.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckInterface(this);
       };
       InterfaceDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
       };
       return InterfaceDeclaration;
   })(TypeDeclaration);
   TypeScript.InterfaceDeclaration = InterfaceDeclaration;    
   var Statement = (function (_super) {
       __extends(Statement, _super);
       function Statement(nodeType) {
               _super.call(this, nodeType);
           this.flags |= TypeScript.ASTFlags.IsStatement;
       }
       Statement.prototype.isLoop = function () {
           return false;
       };
       Statement.prototype.isStatementOrExpression = function () {
           return true;
       };
       Statement.prototype.isCompoundStatement = function () {
           return this.isLoop();
       };
       Statement.prototype.typeCheck = function (typeFlow) {
           this.type = typeFlow.voidType;
           return this;
       };
       return Statement;
   })(ModuleElement);
   TypeScript.Statement = Statement;    
   var LabeledStatement = (function (_super) {
       __extends(LabeledStatement, _super);
       function LabeledStatement(labels, stmt) {
               _super.call(this, TypeScript.NodeType.LabeledStatement);
           this.labels = labels;
           this.stmt = stmt;
       }
       LabeledStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(this.labels) {
               var labelsLen = this.labels.members.length;
               for(var i = 0; i < labelsLen; i++) {
                   this.labels.members[i].emit(emitter, tokenId, startLine);
               }
           }
           this.stmt.emit(emitter, tokenId, true);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       LabeledStatement.prototype.typeCheck = function (typeFlow) {
           typeFlow.typeCheck(this.labels);
           this.stmt = this.stmt.typeCheck(typeFlow);
           return this;
       };
       LabeledStatement.prototype.addToControlFlow = function (context) {
           var beforeBB = context.current;
           var bb = new TypeScript.BasicBlock();
           context.current = bb;
           beforeBB.addSuccessor(bb);
       };
       return LabeledStatement;
   })(Statement);
   TypeScript.LabeledStatement = LabeledStatement;    
   var Block = (function (_super) {
       __extends(Block, _super);
       function Block(statements, isStatementBlock) {
               _super.call(this, TypeScript.NodeType.Block);
           this.statements = statements;
           this.isStatementBlock = isStatementBlock;
       }
       Block.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(this.isStatementBlock) {
               emitter.writeLineToOutput(" {");
               emitter.indenter.increaseIndent();
           } else {
               emitter.setInVarBlock(this.statements.members.length);
           }
           var temp = emitter.setInObjectLiteral(false);
           if(this.statements) {
               emitter.emitJavascriptList(this.statements, null, TypeScript.TokenID.Semicolon, true, false, false);
           }
           if(this.isStatementBlock) {
               emitter.indenter.decreaseIndent();
               emitter.emitIndent();
               emitter.writeToOutput("}");
           }
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       Block.prototype.addToControlFlow = function (context) {
           var afterIfNeeded = new TypeScript.BasicBlock();
           context.pushStatement(this, context.current, afterIfNeeded);
           if(this.statements) {
               context.walk(this.statements, this);
           }
           context.walker.options.goChildren = false;
           context.popStatement();
           if(afterIfNeeded.predecessors.length > 0) {
               context.current.addSuccessor(afterIfNeeded);
               context.current = afterIfNeeded;
           }
       };
       Block.prototype.typeCheck = function (typeFlow) {
           if(!typeFlow.checker.styleSettings.emptyBlocks) {
               if((this.statements === null) || (this.statements.members.length == 0)) {
                   typeFlow.checker.errorReporter.styleError(this, "empty block");
               }
           }
           typeFlow.typeCheck(this.statements);
           return this;
       };
       return Block;
   })(Statement);
   TypeScript.Block = Block;    
   var Jump = (function (_super) {
       __extends(Jump, _super);
       function Jump(nodeType) {
               _super.call(this, nodeType);
           this.target = null;
           this.resolvedTarget = null;
       }
       Jump.prototype.hasExplicitTarget = function () {
           return (this.target);
       };
       Jump.prototype.setResolvedTarget = function (parser, stmt) {
           if(stmt.isLoop()) {
               this.resolvedTarget = stmt;
               return true;
           }
           if(this.nodeType === TypeScript.NodeType.Continue) {
               parser.reportParseError("continue statement applies only to loops");
               return false;
           } else {
               if((stmt.nodeType == TypeScript.NodeType.Switch) || this.hasExplicitTarget()) {
                   this.resolvedTarget = stmt;
                   return true;
               } else {
                   parser.reportParseError("break statement with no label can apply only to a loop or switch statement");
                   return false;
               }
           }
       };
       Jump.prototype.addToControlFlow = function (context) {
           _super.prototype.addToControlFlow.call(this, context);
           context.unconditionalBranch(this.resolvedTarget, (this.nodeType == TypeScript.NodeType.Continue));
       };
       Jump.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(this.nodeType == TypeScript.NodeType.Break) {
               emitter.writeToOutput("break");
           } else {
               emitter.writeToOutput("continue");
           }
           if(this.hasExplicitTarget()) {
               emitter.writeToOutput(" " + this.target);
           }
           emitter.recordSourceMappingEnd(this);
           emitter.writeToOutput(";");
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return Jump;
   })(Statement);
   TypeScript.Jump = Jump;    
   var WhileStatement = (function (_super) {
       __extends(WhileStatement, _super);
       function WhileStatement(cond) {
               _super.call(this, TypeScript.NodeType.While);
           this.cond = cond;
           this.body = null;
       }
       WhileStatement.prototype.isLoop = function () {
           return true;
       };
       WhileStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           emitter.writeToOutput("while(");
           emitter.emitJavascript(this.cond, TypeScript.TokenID.While, false);
           emitter.writeToOutput(")");
           emitter.emitJavascriptStatements(this.body, false);
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       WhileStatement.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckWhile(this);
       };
       WhileStatement.prototype.addToControlFlow = function (context) {
           var loopHeader = context.current;
           var loopStart = new TypeScript.BasicBlock();
           var afterLoop = new TypeScript.BasicBlock();
           loopHeader.addSuccessor(loopStart);
           context.current = loopStart;
           context.addContent(this.cond);
           var condBlock = context.current;
           var targetInfo = null;
           if(this.body) {
               context.current = new TypeScript.BasicBlock();
               condBlock.addSuccessor(context.current);
               context.pushStatement(this, loopStart, afterLoop);
               context.walk(this.body, this);
               targetInfo = context.popStatement();
           }
           if(!(context.noContinuation)) {
               var loopEnd = context.current;
               loopEnd.addSuccessor(loopStart);
           }
           context.current = afterLoop;
           condBlock.addSuccessor(afterLoop);
           context.noContinuation = false;
           context.walker.options.goChildren = false;
       };
       return WhileStatement;
   })(Statement);
   TypeScript.WhileStatement = WhileStatement;    
   var DoWhileStatement = (function (_super) {
       __extends(DoWhileStatement, _super);
       function DoWhileStatement() {
               _super.call(this, TypeScript.NodeType.DoWhile);
           this.body = null;
           this.whileAST = null;
           this.cond = null;
       }
       DoWhileStatement.prototype.isLoop = function () {
           return true;
       };
       DoWhileStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           emitter.writeToOutput("do");
           emitter.emitJavascriptStatements(this.body, true);
           emitter.recordSourceMappingStart(this.whileAST);
           emitter.writeToOutput("while");
           emitter.recordSourceMappingEnd(this.whileAST);
           emitter.writeToOutput('(');
           emitter.emitJavascript(this.cond, TypeScript.TokenID.CloseParen, false);
           emitter.writeToOutput(")");
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.writeToOutput(";");
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       DoWhileStatement.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckDoWhile(this);
       };
       DoWhileStatement.prototype.addToControlFlow = function (context) {
           var loopHeader = context.current;
           var loopStart = new TypeScript.BasicBlock();
           var afterLoop = new TypeScript.BasicBlock();
           loopHeader.addSuccessor(loopStart);
           context.current = loopStart;
           var targetInfo = null;
           if(this.body) {
               context.pushStatement(this, loopStart, afterLoop);
               context.walk(this.body, this);
               targetInfo = context.popStatement();
           }
           if(!(context.noContinuation)) {
               var loopEnd = context.current;
               loopEnd.addSuccessor(loopStart);
               context.addContent(this.cond);
               context.current = afterLoop;
               loopEnd.addSuccessor(afterLoop);
           } else {
               context.addUnreachable(this.cond);
           }
           context.walker.options.goChildren = false;
       };
       return DoWhileStatement;
   })(Statement);
   TypeScript.DoWhileStatement = DoWhileStatement;    
   var IfStatement = (function (_super) {
       __extends(IfStatement, _super);
       function IfStatement(cond) {
               _super.call(this, TypeScript.NodeType.If);
           this.cond = cond;
           this.elseBod = null;
           this.statement = new ASTSpan();
       }
       IfStatement.prototype.isCompoundStatement = function () {
           return true;
       };
       IfStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           emitter.recordSourceMappingStart(this.statement);
           emitter.writeToOutput("if(");
           emitter.emitJavascript(this.cond, TypeScript.TokenID.If, false);
           emitter.writeToOutput(")");
           emitter.recordSourceMappingEnd(this.statement);
           emitter.emitJavascriptStatements(this.thenBod, true);
           if(this.elseBod) {
               if(this.elseBod.nodeType === TypeScript.NodeType.If) {
                   emitter.writeToOutput(" else ");
                   this.elseBod.emit(emitter, tokenId, false);
               } else {
                   emitter.writeToOutput(" else");
                   emitter.emitJavascriptStatements(this.elseBod, true);
               }
           }
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       IfStatement.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckIf(this);
       };
       IfStatement.prototype.addToControlFlow = function (context) {
           this.cond.addToControlFlow(context);
           var afterIf = new TypeScript.BasicBlock();
           var beforeIf = context.current;
           context.pushStatement(this, beforeIf, afterIf);
           var hasContinuation = false;
           context.current = new TypeScript.BasicBlock();
           beforeIf.addSuccessor(context.current);
           context.walk(this.thenBod, this);
           if(!context.noContinuation) {
               hasContinuation = true;
               context.current.addSuccessor(afterIf);
           }
           if(this.elseBod) {
               context.current = new TypeScript.BasicBlock();
               context.noContinuation = false;
               beforeIf.addSuccessor(context.current);
               context.walk(this.elseBod, this);
               if(!context.noContinuation) {
                   hasContinuation = true;
                   context.current.addSuccessor(afterIf);
               } else {
                   if(hasContinuation) {
                       context.noContinuation = false;
                   }
               }
           } else {
               beforeIf.addSuccessor(afterIf);
               context.noContinuation = false;
               hasContinuation = true;
           }
           var targetInfo = context.popStatement();
           if(afterIf.predecessors.length > 0) {
               context.noContinuation = false;
               hasContinuation = true;
           }
           if(hasContinuation) {
               context.current = afterIf;
           }
           context.walker.options.goChildren = false;
       };
       return IfStatement;
   })(Statement);
   TypeScript.IfStatement = IfStatement;    
   var ReturnStatement = (function (_super) {
       __extends(ReturnStatement, _super);
       function ReturnStatement() {
               _super.call(this, TypeScript.NodeType.Return);
           this.returnExpression = null;
       }
       ReturnStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           if(this.returnExpression) {
               emitter.writeToOutput("return ");
               emitter.emitJavascript(this.returnExpression, TypeScript.TokenID.Semicolon, false);
               if(this.returnExpression.nodeType === TypeScript.NodeType.FuncDecl) {
                   emitter.writeToOutput(";");
               }
           } else {
               emitter.writeToOutput("return;");
           }
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       ReturnStatement.prototype.addToControlFlow = function (context) {
           _super.prototype.addToControlFlow.call(this, context);
           context.returnStmt();
       };
       ReturnStatement.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckReturn(this);
       };
       return ReturnStatement;
   })(Statement);
   TypeScript.ReturnStatement = ReturnStatement;    
   var EndCode = (function (_super) {
       __extends(EndCode, _super);
       function EndCode() {
               _super.call(this, TypeScript.NodeType.EndCode);
       }
       return EndCode;
   })(AST);
   TypeScript.EndCode = EndCode;    
   var ForInStatement = (function (_super) {
       __extends(ForInStatement, _super);
       function ForInStatement(lval, obj) {
               _super.call(this, TypeScript.NodeType.ForIn);
           this.lval = lval;
           this.obj = obj;
           this.statement = new ASTSpan();
           if(this.lval && (this.lval.nodeType == TypeScript.NodeType.VarDecl)) {
               (this.lval).varFlags |= TypeScript.VarFlags.AutoInit;
           }
       }
       ForInStatement.prototype.isLoop = function () {
           return true;
       };
       ForInStatement.prototype.isFiltered = function () {
           if(this.body) {
               var singleItem = null;
               if(this.body.nodeType == TypeScript.NodeType.List) {
                   var stmts = this.body;
                   if(stmts.members.length == 1) {
                       singleItem = stmts.members[0];
                   }
               } else {
                   singleItem = this.body;
               }
               if(singleItem !== null) {
                   if(singleItem.nodeType == TypeScript.NodeType.Block) {
                       var block = singleItem;
                       if((block.statements !== null) && (block.statements.members.length == 1)) {
                           singleItem = block.statements.members[0];
                       }
                   }
                   if(singleItem.nodeType == TypeScript.NodeType.If) {
                       var cond = (singleItem).cond;
                       if(cond.nodeType == TypeScript.NodeType.Call) {
                           var target = (cond).target;
                           if(target.nodeType == TypeScript.NodeType.Dot) {
                               var binex = target;
                               if((binex.operand1.nodeType == TypeScript.NodeType.Name) && (this.obj.nodeType == TypeScript.NodeType.Name) && ((binex.operand1).actualText == (this.obj).actualText)) {
                                   var prop = binex.operand2;
                                   if(prop.actualText == "hasOwnProperty") {
                                       var args = (cond).arguments;
                                       if((args !== null) && (args.members.length == 1)) {
                                           var arg = args.members[0];
                                           if((arg.nodeType == TypeScript.NodeType.Name) && (this.lval.nodeType == TypeScript.NodeType.Name)) {
                                               if(((this.lval).actualText) == (arg).actualText) {
                                                   return true;
                                               }
                                           }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
           }
           return false;
       };
       ForInStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           emitter.recordSourceMappingStart(this.statement);
           emitter.writeToOutput("for(");
           emitter.emitJavascript(this.lval, TypeScript.TokenID.For, false);
           emitter.writeToOutput(" in ");
           emitter.emitJavascript(this.obj, TypeScript.TokenID.For, false);
           emitter.writeToOutput(")");
           emitter.recordSourceMappingEnd(this.statement);
           emitter.emitJavascriptStatements(this.body, true);
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       ForInStatement.prototype.typeCheck = function (typeFlow) {
           if(typeFlow.checker.styleSettings.forin) {
               if(!this.isFiltered()) {
                   typeFlow.checker.errorReporter.styleError(this, "no hasOwnProperty filter");
               }
           }
           return typeFlow.typeCheckForIn(this);
       };
       ForInStatement.prototype.addToControlFlow = function (context) {
           if(this.lval) {
               context.addContent(this.lval);
           }
           if(this.obj) {
               context.addContent(this.obj);
           }
           var loopHeader = context.current;
           var loopStart = new TypeScript.BasicBlock();
           var afterLoop = new TypeScript.BasicBlock();
           loopHeader.addSuccessor(loopStart);
           context.current = loopStart;
           if(this.body) {
               context.pushStatement(this, loopStart, afterLoop);
               context.walk(this.body, this);
               context.popStatement();
           }
           if(!(context.noContinuation)) {
               var loopEnd = context.current;
               loopEnd.addSuccessor(loopStart);
           }
           context.current = afterLoop;
           context.noContinuation = false;
           loopHeader.addSuccessor(afterLoop);
           context.walker.options.goChildren = false;
       };
       return ForInStatement;
   })(Statement);
   TypeScript.ForInStatement = ForInStatement;    
   var ForStatement = (function (_super) {
       __extends(ForStatement, _super);
       function ForStatement(init) {
               _super.call(this, TypeScript.NodeType.For);
           this.init = init;
       }
       ForStatement.prototype.isLoop = function () {
           return true;
       };
       ForStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           emitter.writeToOutput("for(");
           if(this.init) {
               if(this.init.nodeType != TypeScript.NodeType.List) {
                   emitter.emitJavascript(this.init, TypeScript.TokenID.For, false);
               } else {
                   emitter.setInVarBlock((this.init).members.length);
                   emitter.emitJavascriptList(this.init, null, TypeScript.TokenID.For, false, false, false);
               }
           }
           emitter.writeToOutput("; ");
           emitter.emitJavascript(this.cond, TypeScript.TokenID.For, false);
           emitter.writeToOutput("; ");
           emitter.emitJavascript(this.incr, TypeScript.TokenID.For, false);
           emitter.writeToOutput(")");
           emitter.emitJavascriptStatements(this.body, true);
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       ForStatement.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckFor(this);
       };
       ForStatement.prototype.addToControlFlow = function (context) {
           if(this.init) {
               context.addContent(this.init);
           }
           var loopHeader = context.current;
           var loopStart = new TypeScript.BasicBlock();
           var afterLoop = new TypeScript.BasicBlock();
           loopHeader.addSuccessor(loopStart);
           context.current = loopStart;
           var condBlock = null;
           var continueTarget = loopStart;
           var incrBB = null;
           if(this.incr) {
               incrBB = new TypeScript.BasicBlock();
               continueTarget = incrBB;
           }
           if(this.cond) {
               condBlock = context.current;
               context.addContent(this.cond);
               context.current = new TypeScript.BasicBlock();
               condBlock.addSuccessor(context.current);
           }
           var targetInfo = null;
           if(this.body) {
               context.pushStatement(this, continueTarget, afterLoop);
               context.walk(this.body, this);
               targetInfo = context.popStatement();
           }
           if(this.incr) {
               if(context.noContinuation) {
                   if(incrBB.predecessors.length == 0) {
                       context.addUnreachable(this.incr);
                   }
               } else {
                   context.current.addSuccessor(incrBB);
                   context.current = incrBB;
                   context.addContent(this.incr);
               }
           }
           var loopEnd = context.current;
           if(!(context.noContinuation)) {
               loopEnd.addSuccessor(loopStart);
           }
           if(condBlock) {
               condBlock.addSuccessor(afterLoop);
               context.noContinuation = false;
           }
           if(afterLoop.predecessors.length > 0) {
               context.noContinuation = false;
               context.current = afterLoop;
           }
           context.walker.options.goChildren = false;
       };
       return ForStatement;
   })(Statement);
   TypeScript.ForStatement = ForStatement;    
   var WithStatement = (function (_super) {
       __extends(WithStatement, _super);
       function WithStatement(expr) {
               _super.call(this, TypeScript.NodeType.With);
           this.expr = expr;
           this.withSym = null;
       }
       WithStatement.prototype.isCompoundStatement = function () {
           return true;
       };
       WithStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeToOutput("with (");
           if(this.expr) {
               emitter.emitJavascript(this.expr, TypeScript.TokenID.With, false);
           }
           emitter.writeToOutput(")");
           emitter.emitJavascriptStatements(this.body, true);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       WithStatement.prototype.typeCheck = function (typeFlow) {
           return typeFlow.typeCheckWith(this);
       };
       return WithStatement;
   })(Statement);
   TypeScript.WithStatement = WithStatement;    
   var SwitchStatement = (function (_super) {
       __extends(SwitchStatement, _super);
       function SwitchStatement(val) {
               _super.call(this, TypeScript.NodeType.Switch);
           this.val = val;
           this.defaultCase = null;
           this.statement = new ASTSpan();
       }
       SwitchStatement.prototype.isCompoundStatement = function () {
           return true;
       };
       SwitchStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           var temp = emitter.setInObjectLiteral(false);
           emitter.recordSourceMappingStart(this.statement);
           emitter.writeToOutput("switch(");
           emitter.emitJavascript(this.val, TypeScript.TokenID.Identifier, false);
           emitter.writeToOutput(")");
           emitter.recordSourceMappingEnd(this.statement);
           emitter.writeLineToOutput(" {");
           emitter.indenter.increaseIndent();
           var casesLen = this.caseList.members.length;
           for(var i = 0; i < casesLen; i++) {
               var caseExpr = this.caseList.members[i];
               emitter.emitJavascript(caseExpr, TypeScript.TokenID.Case, true);
           }
           emitter.indenter.decreaseIndent();
           emitter.emitIndent();
           emitter.writeToOutput("}");
           emitter.setInObjectLiteral(temp);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       SwitchStatement.prototype.typeCheck = function (typeFlow) {
           var len = this.caseList.members.length;
           this.val = typeFlow.typeCheck(this.val);
           for(var i = 0; i < len; i++) {
               this.caseList.members[i] = typeFlow.typeCheck(this.caseList.members[i]);
           }
           this.defaultCase = typeFlow.typeCheck(this.defaultCase);
           this.type = typeFlow.voidType;
           return this;
       };
       SwitchStatement.prototype.addToControlFlow = function (context) {
           var condBlock = context.current;
           context.addContent(this.val);
           var execBlock = new TypeScript.BasicBlock();
           var afterSwitch = new TypeScript.BasicBlock();
           condBlock.addSuccessor(execBlock);
           context.pushSwitch(execBlock);
           context.current = execBlock;
           context.pushStatement(this, execBlock, afterSwitch);
           context.walk(this.caseList, this);
           context.popSwitch();
           var targetInfo = context.popStatement();
           var hasCondContinuation = (this.defaultCase == null);
           if(this.defaultCase == null) {
               condBlock.addSuccessor(afterSwitch);
           }
           if(afterSwitch.predecessors.length > 0) {
               context.noContinuation = false;
               context.current = afterSwitch;
           } else {
               context.noContinuation = true;
           }
           context.walker.options.goChildren = false;
       };
       return SwitchStatement;
   })(Statement);
   TypeScript.SwitchStatement = SwitchStatement;    
   var CaseStatement = (function (_super) {
       __extends(CaseStatement, _super);
       function CaseStatement() {
               _super.call(this, TypeScript.NodeType.Case);
           this.expr = null;
       }
       CaseStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           if(this.expr) {
               emitter.writeToOutput("case ");
               emitter.emitJavascript(this.expr, TypeScript.TokenID.Identifier, false);
           } else {
               emitter.writeToOutput("default");
           }
           emitter.writeToOutput(":");
           if(this.body.members.length == 1 && this.body.members[0].nodeType == TypeScript.NodeType.Block) {
               emitter.emitJavascriptStatements(this.body, false);
           } else {
               emitter.writeLineToOutput("");
               emitter.indenter.increaseIndent();
               emitter.emitBareJavascriptStatements(this.body);
               emitter.indenter.decreaseIndent();
           }
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       CaseStatement.prototype.typeCheck = function (typeFlow) {
           this.expr = typeFlow.typeCheck(this.expr);
           typeFlow.typeCheck(this.body);
           this.type = typeFlow.voidType;
           return this;
       };
       CaseStatement.prototype.addToControlFlow = function (context) {
           var execBlock = new TypeScript.BasicBlock();
           var sw = context.currentSwitch[context.currentSwitch.length - 1];
           if(this.expr) {
               var exprBlock = new TypeScript.BasicBlock();
               context.current = exprBlock;
               sw.addSuccessor(exprBlock);
               context.addContent(this.expr);
               exprBlock.addSuccessor(execBlock);
           } else {
               sw.addSuccessor(execBlock);
           }
           context.current = execBlock;
           if(this.body) {
               context.walk(this.body, this);
           }
           context.noContinuation = false;
           context.walker.options.goChildren = false;
       };
       return CaseStatement;
   })(Statement);
   TypeScript.CaseStatement = CaseStatement;    
   var TypeReference = (function (_super) {
       __extends(TypeReference, _super);
       function TypeReference(term, arrayCount) {
               _super.call(this, TypeScript.NodeType.TypeRef);
           this.term = term;
           this.arrayCount = arrayCount;
       }
       TypeReference.prototype.emit = function (emitter, tokenId, startLine) {
           throw new Error("should not emit a type ref");
       };
       TypeReference.prototype.typeCheck = function (typeFlow) {
           var prevInTCTR = typeFlow.inTypeRefTypeCheck;
           typeFlow.inTypeRefTypeCheck = true;
           var typeLink = TypeScript.getTypeLink(this, typeFlow.checker, true);
           typeFlow.checker.resolveTypeLink(typeFlow.scope, typeLink, false);
           if(this.term) {
               typeFlow.typeCheck(this.term);
           }
           typeFlow.checkForVoidConstructor(typeLink.type, this);
           this.type = typeLink.type;
           if(this.term) {
               this.term.type = this.type;
           }
           typeFlow.inTypeRefTypeCheck = prevInTCTR;
           return this;
       };
       return TypeReference;
   })(AST);
   TypeScript.TypeReference = TypeReference;    
   var TryFinally = (function (_super) {
       __extends(TryFinally, _super);
       function TryFinally(tryNode, finallyNode) {
               _super.call(this, TypeScript.NodeType.TryFinally);
           this.tryNode = tryNode;
           this.finallyNode = finallyNode;
       }
       TryFinally.prototype.isCompoundStatement = function () {
           return true;
       };
       TryFinally.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.recordSourceMappingStart(this);
           emitter.emitJavascript(this.tryNode, TypeScript.TokenID.Try, false);
           emitter.emitJavascript(this.finallyNode, TypeScript.TokenID.Finally, false);
           emitter.recordSourceMappingEnd(this);
       };
       TryFinally.prototype.typeCheck = function (typeFlow) {
           this.tryNode = typeFlow.typeCheck(this.tryNode);
           this.finallyNode = typeFlow.typeCheck(this.finallyNode);
           this.type = typeFlow.voidType;
           return this;
       };
       TryFinally.prototype.addToControlFlow = function (context) {
           var afterFinally = new TypeScript.BasicBlock();
           context.walk(this.tryNode, this);
           var finBlock = new TypeScript.BasicBlock();
           if(context.current) {
               context.current.addSuccessor(finBlock);
           }
           context.current = finBlock;
           context.pushStatement(this, null, afterFinally);
           context.walk(this.finallyNode, this);
           if(!context.noContinuation && context.current) {
               context.current.addSuccessor(afterFinally);
           }
           if(afterFinally.predecessors.length > 0) {
               context.current = afterFinally;
           } else {
               context.noContinuation = true;
           }
           context.popStatement();
           context.walker.options.goChildren = false;
       };
       return TryFinally;
   })(Statement);
   TypeScript.TryFinally = TryFinally;    
   var TryCatch = (function (_super) {
       __extends(TryCatch, _super);
       function TryCatch(tryNode, catchNode) {
               _super.call(this, TypeScript.NodeType.TryCatch);
           this.tryNode = tryNode;
           this.catchNode = catchNode;
       }
       TryCatch.prototype.isCompoundStatement = function () {
           return true;
       };
       TryCatch.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.emitJavascript(this.tryNode, TypeScript.TokenID.Try, false);
           emitter.emitJavascript(this.catchNode, TypeScript.TokenID.Catch, false);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       TryCatch.prototype.addToControlFlow = function (context) {
           var beforeTry = context.current;
           var tryBlock = new TypeScript.BasicBlock();
           beforeTry.addSuccessor(tryBlock);
           context.current = tryBlock;
           var afterTryCatch = new TypeScript.BasicBlock();
           context.pushStatement(this, null, afterTryCatch);
           context.walk(this.tryNode, this);
           if(!context.noContinuation) {
               if(context.current) {
                   context.current.addSuccessor(afterTryCatch);
               }
           }
           context.current = new TypeScript.BasicBlock();
           beforeTry.addSuccessor(context.current);
           context.walk(this.catchNode, this);
           context.popStatement();
           if(!context.noContinuation) {
               if(context.current) {
                   context.current.addSuccessor(afterTryCatch);
               }
           }
           context.current = afterTryCatch;
           context.walker.options.goChildren = false;
       };
       TryCatch.prototype.typeCheck = function (typeFlow) {
           this.tryNode = typeFlow.typeCheck(this.tryNode);
           this.catchNode = typeFlow.typeCheck(this.catchNode);
           this.type = typeFlow.voidType;
           return this;
       };
       return TryCatch;
   })(Statement);
   TypeScript.TryCatch = TryCatch;    
   var Try = (function (_super) {
       __extends(Try, _super);
       function Try(body) {
               _super.call(this, TypeScript.NodeType.Try);
           this.body = body;
       }
       Try.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeToOutput("try ");
           emitter.emitJavascript(this.body, TypeScript.TokenID.Try, false);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       Try.prototype.typeCheck = function (typeFlow) {
           this.body = typeFlow.typeCheck(this.body);
           return this;
       };
       Try.prototype.addToControlFlow = function (context) {
           if(this.body) {
               context.walk(this.body, this);
           }
           context.walker.options.goChildren = false;
           context.noContinuation = false;
       };
       return Try;
   })(Statement);
   TypeScript.Try = Try;    
   var Catch = (function (_super) {
       __extends(Catch, _super);
       function Catch(param, body) {
               _super.call(this, TypeScript.NodeType.Catch);
           this.param = param;
           this.body = body;
           this.statement = new ASTSpan();
           this.containedScope = null;
           if(this.param) {
               this.param.varFlags |= TypeScript.VarFlags.AutoInit;
           }
       }
       Catch.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeToOutput(" ");
           emitter.recordSourceMappingStart(this.statement);
           emitter.writeToOutput("catch (");
           emitter.emitJavascript(this.param, TypeScript.TokenID.OpenParen, false);
           emitter.writeToOutput(")");
           emitter.recordSourceMappingEnd(this.statement);
           emitter.emitJavascript(this.body, TypeScript.TokenID.Catch, false);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       Catch.prototype.addToControlFlow = function (context) {
           if(this.param) {
               context.addContent(this.param);
               var bodBlock = new TypeScript.BasicBlock();
               context.current.addSuccessor(bodBlock);
               context.current = bodBlock;
           }
           if(this.body) {
               context.walk(this.body, this);
           }
           context.noContinuation = false;
           context.walker.options.goChildren = false;
       };
       Catch.prototype.typeCheck = function (typeFlow) {
           var prevScope = typeFlow.scope;
           typeFlow.scope = this.containedScope;
           this.param = typeFlow.typeCheck(this.param);
           var exceptVar = new TypeScript.ValueLocation();
           var varSym = new TypeScript.VariableSymbol((this.param).id.text, this.param.minChar, typeFlow.checker.locationInfo.unitIndex, exceptVar);
           exceptVar.symbol = varSym;
           exceptVar.typeLink = new TypeScript.TypeLink();
           exceptVar.typeLink.type = typeFlow.anyType;
           var thisFnc = typeFlow.thisFnc;
           if(thisFnc && thisFnc.type) {
               exceptVar.symbol.container = thisFnc.type.symbol;
           } else {
               exceptVar.symbol.container = null;
           }
           this.param.sym = exceptVar.symbol;
           typeFlow.scope.enter(exceptVar.symbol.container, this.param, exceptVar.symbol, typeFlow.checker.errorReporter, false, false, false);
           this.body = typeFlow.typeCheck(this.body);
           if(typeFlow.checker.inProvisionalTypecheckMode()) {
               var table = typeFlow.scope.getTable();
               (table).secondaryTable.table[exceptVar.symbol.name] = undefined;
           }
           this.type = typeFlow.voidType;
           typeFlow.scope = prevScope;
           return this;
       };
       return Catch;
   })(Statement);
   TypeScript.Catch = Catch;    
   var Finally = (function (_super) {
       __extends(Finally, _super);
       function Finally(body) {
               _super.call(this, TypeScript.NodeType.Finally);
           this.body = body;
       }
       Finally.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeToOutput("finally");
           emitter.emitJavascript(this.body, TypeScript.TokenID.Finally, false);
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       Finally.prototype.addToControlFlow = function (context) {
           if(this.body) {
               context.walk(this.body, this);
           }
           context.walker.options.goChildren = false;
           context.noContinuation = false;
       };
       Finally.prototype.typeCheck = function (typeFlow) {
           this.body = typeFlow.typeCheck(this.body);
           return this;
       };
       return Finally;
   })(Statement);
   TypeScript.Finally = Finally;    
   var Comment = (function (_super) {
       __extends(Comment, _super);
       function Comment(content, isBlockComment, endsLine) {
               _super.call(this, TypeScript.NodeType.Comment);
           this.content = content;
           this.isBlockComment = isBlockComment;
           this.endsLine = endsLine;
           this.text = null;
           this.docCommentText = null;
       }
       Comment.prototype.getText = function () {
           if(this.text == null) {
               if(this.isBlockComment) {
                   this.text = this.content.split("\n");
                   for(var i = 0; i < this.text.length; i++) {
                       this.text[i] = this.text[i].replace(/^\s+|\s+$/g, '');
                   }
               } else {
                   this.text = [
                       (this.content.replace(/^\s+|\s+$/g, ''))
                   ];
               }
           }
           return this.text;
       };
       Comment.prototype.isDocComment = function () {
           if(this.isBlockComment) {
               return this.content.charAt(2) == "*";
           }
           return false;
       };
       Comment.prototype.getDocCommentText = function () {
           if(this.docCommentText == null) {
               this.docCommentText = Comment.cleanJSDocComment(this.content);
           }
           return this.docCommentText;
       };
       Comment.consumeLeadingSpace = function consumeLeadingSpace(line, startIndex, maxSpacesToRemove) {
           var endIndex = line.length;
           if(maxSpacesToRemove != undefined) {
               endIndex = TypeScript.min(startIndex + maxSpacesToRemove, endIndex);
           }
           for(; startIndex < endIndex; startIndex++) {
               var charCode = line.charCodeAt(startIndex);
               if(charCode != TypeScript.LexCodeSpace && charCode != TypeScript.LexCodeTAB) {
                   return startIndex;
               }
           }
           if(endIndex != line.length) {
               return endIndex;
           }
           return -1;
       }
       Comment.isSpaceChar = function isSpaceChar(line, index) {
           var length = line.length;
           if(index < length) {
               var charCode = line.charCodeAt(index);
               return charCode == TypeScript.LexCodeSpace || charCode == TypeScript.LexCodeTAB;
           }
           return index == length;
       }
       Comment.cleanDocCommentLine = function cleanDocCommentLine(line, jsDocStyleComment, jsDocLineSpaceToRemove) {
           var nonSpaceIndex = Comment.consumeLeadingSpace(line, 0);
           if(nonSpaceIndex != -1) {
               var jsDocSpacesRemoved = nonSpaceIndex;
               if(jsDocStyleComment && line.charAt(nonSpaceIndex) == '*') {
                   var startIndex = nonSpaceIndex + 1;
                   nonSpaceIndex = Comment.consumeLeadingSpace(line, startIndex, jsDocLineSpaceToRemove);
                   if(nonSpaceIndex != -1) {
                       jsDocSpacesRemoved = nonSpaceIndex - startIndex;
                   } else {
                       return null;
                   }
               }
               return {
                   minChar: nonSpaceIndex,
                   limChar: line.charAt(line.length - 1) == "\r" ? line.length - 1 : line.length,
                   jsDocSpacesRemoved: jsDocSpacesRemoved
               };
           }
           return null;
       }
       Comment.cleanJSDocComment = function cleanJSDocComment(content, spacesToRemove) {
           var docCommentLines = [];
           content = content.replace("/**", "");
           if(content.length >= 2 && content.charAt(content.length - 1) == "/" && content.charAt(content.length - 2) == "*") {
               content = content.substring(0, content.length - 2);
           }
           var lines = content.split("\n");
           var inParamTag = false;
           for(var l = 0; l < lines.length; l++) {
               var line = lines[l];
               var cleanLinePos = Comment.cleanDocCommentLine(line, true, spacesToRemove);
               if(!cleanLinePos) {
                   continue;
               }
               var docCommentText = "";
               var prevPos = cleanLinePos.minChar;
               for(var i = line.indexOf("@", cleanLinePos.minChar); 0 <= i && i < cleanLinePos.limChar; i = line.indexOf("@", i + 1)) {
                   var wasInParamtag = inParamTag;
                   if(line.indexOf("param", i + 1) == i + 1 && Comment.isSpaceChar(line, i + 6)) {
                       if(!wasInParamtag) {
                           docCommentText += line.substring(prevPos, i);
                       }
                       prevPos = i;
                       inParamTag = true;
                   } else {
                       if(wasInParamtag) {
                           prevPos = i;
                           inParamTag = false;
                       }
                   }
               }
               if(!inParamTag) {
                   docCommentText += line.substring(prevPos, cleanLinePos.limChar);
               }
               var newCleanPos = Comment.cleanDocCommentLine(docCommentText, false);
               if(newCleanPos) {
                   if(spacesToRemove == undefined) {
                       spacesToRemove = cleanLinePos.jsDocSpacesRemoved;
                   }
                   docCommentLines.push(docCommentText);
               }
           }
           return docCommentLines.join("\n");
       }
       Comment.getDocCommentText = function getDocCommentText(comments) {
           var docCommentText = [];
           for(var c = 0; c < comments.length; c++) {
               var commentText = comments[c].getDocCommentText();
               if(commentText != "") {
                   docCommentText.push(commentText);
               }
           }
           return docCommentText.join("\n");
       }
       Comment.getParameterDocCommentText = function getParameterDocCommentText(param, fncDocComments) {
           if(fncDocComments.length == 0 || !fncDocComments[0].isBlockComment) {
               return "";
           }
           for(var i = 0; i < fncDocComments.length; i++) {
               var commentContents = fncDocComments[i].content;
               for(var j = commentContents.indexOf("@param", 0); 0 <= j; j = commentContents.indexOf("@param", j)) {
                   j += 6;
                   if(!Comment.isSpaceChar(commentContents, j)) {
                       continue;
                   }
                   j = Comment.consumeLeadingSpace(commentContents, j);
                   if(j == -1) {
                       break;
                   }
                   if(commentContents.charCodeAt(j) == TypeScript.LexCodeLC) {
                       j++;
                       var charCode = 0;
                       for(var curlies = 1; j < commentContents.length; j++) {
                           charCode = commentContents.charCodeAt(j);
                           if(charCode == TypeScript.LexCodeLC) {
                               curlies++;
                               continue;
                           }
                           if(charCode == TypeScript.LexCodeRC) {
                               curlies--;
                               if(curlies == 0) {
                                   break;
                               } else {
                                   continue;
                               }
                           }
                           if(charCode == TypeScript.LexCodeAtSign) {
                               break;
                           }
                       }
                       if(j == commentContents.length) {
                           break;
                       }
                       if(charCode == TypeScript.LexCodeAtSign) {
                           continue;
                       }
                       j = Comment.consumeLeadingSpace(commentContents, j + 1);
                       if(j == -1) {
                           break;
                       }
                   }
                   if(param != commentContents.substr(j, param.length) || !Comment.isSpaceChar(commentContents, j + param.length)) {
                       continue;
                   }
                   j = Comment.consumeLeadingSpace(commentContents, j + param.length);
                   if(j == -1) {
                       return "";
                   }
                   var endOfParam = commentContents.indexOf("@", j);
                   var paramHelpString = commentContents.substring(j, endOfParam < 0 ? commentContents.length : endOfParam);
                   var paramSpacesToRemove = undefined;
                   var paramLineIndex = commentContents.substring(0, j).lastIndexOf("\n") + 1;
                   if(paramLineIndex != 0) {
                       if(paramLineIndex < j && commentContents.charAt(paramLineIndex + 1) == "\r") {
                           paramLineIndex++;
                       }
                   }
                   var startSpaceRemovalIndex = Comment.consumeLeadingSpace(commentContents, paramLineIndex);
                   if(startSpaceRemovalIndex != j && commentContents.charAt(startSpaceRemovalIndex) == "*") {
                       paramSpacesToRemove = j - startSpaceRemovalIndex - 1;
                   }
                   return Comment.cleanJSDocComment(paramHelpString, paramSpacesToRemove);
               }
           }
           return "";
       }
       Comment.getDocCommentTextOfSignatures = function getDocCommentTextOfSignatures(signatures) {
           var comments = [];
           for(var i = 0; i < signatures.length; i++) {
               var signatureDocComment = TypeScript.Comment.getDocCommentText(signatures[i].declAST.getDocComments());
               if(signatureDocComment != "") {
                   comments.push(signatureDocComment);
               }
           }
           return comments.join("\n");
       }
       return Comment;
   })(AST);
   TypeScript.Comment = Comment;    
   var DebuggerStatement = (function (_super) {
       __extends(DebuggerStatement, _super);
       function DebuggerStatement() {
               _super.call(this, TypeScript.NodeType.Debugger);
       }
       DebuggerStatement.prototype.emit = function (emitter, tokenId, startLine) {
           emitter.emitParensAndCommentsInPlace(this, true);
           emitter.recordSourceMappingStart(this);
           emitter.writeLineToOutput("debugger;");
           emitter.recordSourceMappingEnd(this);
           emitter.emitParensAndCommentsInPlace(this, false);
       };
       return DebuggerStatement;
   })(Statement);
   TypeScript.DebuggerStatement = DebuggerStatement;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var AstWalkOptions = (function () {
       function AstWalkOptions() {
           this.goChildren = true;
           this.goNextSibling = true;
           this.reverseSiblings = false;
       }
       AstWalkOptions.prototype.stopWalk = function (stop) {
           if (typeof stop === "undefined") { stop = true; }
           this.goChildren = !stop;
           this.goNextSibling = !stop;
       };
       return AstWalkOptions;
   })();
   TypeScript.AstWalkOptions = AstWalkOptions;    
   var AstWalker = (function () {
       function AstWalker(childrenWalkers, pre, post, options, state) {
           this.childrenWalkers = childrenWalkers;
           this.pre = pre;
           this.post = post;
           this.options = options;
           this.state = state;
       }
       AstWalker.prototype.walk = function (ast, parent) {
           var preAst = this.pre(ast, parent, this);
           if(preAst === undefined) {
               preAst = ast;
           }
           if(this.options.goChildren) {
               var svGoSib = this.options.goNextSibling;
               this.options.goNextSibling = true;
               this.childrenWalkers[ast.nodeType](ast, parent, this);
               this.options.goNextSibling = svGoSib;
           } else {
               this.options.goChildren = true;
           }
           if(this.post) {
               var postAst = this.post(preAst, parent, this);
               if(postAst === undefined) {
                   postAst = preAst;
               }
               return postAst;
           } else {
               return preAst;
           }
       };
       return AstWalker;
   })();    
   var AstWalkerFactory = (function () {
       function AstWalkerFactory() {
           this.childrenWalkers = [];
           this.initChildrenWalkers();
       }
       AstWalkerFactory.prototype.walk = function (ast, pre, post, options, state) {
           return this.getWalker(pre, post, options, state).walk(ast, null);
       };
       AstWalkerFactory.prototype.getWalker = function (pre, post, options, state) {
           return this.getSlowWalker(pre, post, options, state);
       };
       AstWalkerFactory.prototype.getSlowWalker = function (pre, post, options, state) {
           if(!options) {
               options = new AstWalkOptions();
           }
           return new AstWalker(this.childrenWalkers, pre, post, options, state);
       };
       AstWalkerFactory.prototype.initChildrenWalkers = function () {
           this.childrenWalkers[TypeScript.NodeType.None] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Empty] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.EmptyExpr] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.True] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.False] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.This] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Super] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.QString] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Regex] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Null] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.ArrayLit] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.ObjectLit] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Void] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Comma] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Pos] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Neg] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Delete] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Await] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.In] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Dot] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.From] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Is] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.InstOf] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Typeof] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.NumberLit] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Name] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.TypeRef] = ChildrenWalkers.walkTypeReferenceChildren;
           this.childrenWalkers[TypeScript.NodeType.Index] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Call] = ChildrenWalkers.walkCallExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.New] = ChildrenWalkers.walkCallExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Asg] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgAdd] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgSub] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgDiv] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgMul] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgMod] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgAnd] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgXor] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgOr] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgLsh] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgRsh] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.AsgRs2] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.ConditionalExpression] = ChildrenWalkers.walkTrinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.LogOr] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.LogAnd] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Or] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Xor] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.And] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Eq] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Ne] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Eqv] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.NEqv] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Lt] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Le] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Gt] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Ge] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Add] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Sub] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Mul] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Div] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Mod] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Lsh] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Rsh] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Rs2] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.Not] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.LogNot] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.IncPre] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.DecPre] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.IncPost] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.DecPost] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.TypeAssertion] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.FuncDecl] = ChildrenWalkers.walkFuncDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.Member] = ChildrenWalkers.walkBinaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.VarDecl] = ChildrenWalkers.walkBoundDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.ArgDecl] = ChildrenWalkers.walkBoundDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.Return] = ChildrenWalkers.walkReturnStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.Break] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Continue] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Throw] = ChildrenWalkers.walkUnaryExpressionChildren;
           this.childrenWalkers[TypeScript.NodeType.For] = ChildrenWalkers.walkForStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.ForIn] = ChildrenWalkers.walkForInStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.If] = ChildrenWalkers.walkIfStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.While] = ChildrenWalkers.walkWhileStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.DoWhile] = ChildrenWalkers.walkDoWhileStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.Block] = ChildrenWalkers.walkBlockChildren;
           this.childrenWalkers[TypeScript.NodeType.Case] = ChildrenWalkers.walkCaseStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.Switch] = ChildrenWalkers.walkSwitchStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.Try] = ChildrenWalkers.walkTryChildren;
           this.childrenWalkers[TypeScript.NodeType.TryCatch] = ChildrenWalkers.walkTryCatchChildren;
           this.childrenWalkers[TypeScript.NodeType.TryFinally] = ChildrenWalkers.walkTryFinallyChildren;
           this.childrenWalkers[TypeScript.NodeType.Finally] = ChildrenWalkers.walkFinallyChildren;
           this.childrenWalkers[TypeScript.NodeType.Catch] = ChildrenWalkers.walkCatchChildren;
           this.childrenWalkers[TypeScript.NodeType.List] = ChildrenWalkers.walkListChildren;
           this.childrenWalkers[TypeScript.NodeType.Script] = ChildrenWalkers.walkScriptChildren;
           this.childrenWalkers[TypeScript.NodeType.ClassDeclaration] = ChildrenWalkers.walkClassDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.InterfaceDeclaration] = ChildrenWalkers.walkTypeDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.ModuleDeclaration] = ChildrenWalkers.walkModuleDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.ImportDeclaration] = ChildrenWalkers.walkImportDeclChildren;
           this.childrenWalkers[TypeScript.NodeType.With] = ChildrenWalkers.walkWithStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.Label] = ChildrenWalkers.walkLabelChildren;
           this.childrenWalkers[TypeScript.NodeType.LabeledStatement] = ChildrenWalkers.walkLabeledStatementChildren;
           this.childrenWalkers[TypeScript.NodeType.EBStart] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.GotoEB] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.EndCode] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Error] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Comment] = ChildrenWalkers.walkNone;
           this.childrenWalkers[TypeScript.NodeType.Debugger] = ChildrenWalkers.walkNone;
           for(var e in (TypeScript.NodeType)._map) {
               if((this.childrenWalkers)[e] === undefined) {
                   throw new Error("initWalkers function is not up to date with enum content!");
               }
           }
       };
       return AstWalkerFactory;
   })();
   TypeScript.AstWalkerFactory = AstWalkerFactory;    
   var globalAstWalkerFactory;
   function getAstWalkerFactory() {
       if(!globalAstWalkerFactory) {
           globalAstWalkerFactory = new AstWalkerFactory();
       }
       return globalAstWalkerFactory;
   }
   TypeScript.getAstWalkerFactory = getAstWalkerFactory;
   var ChildrenWalkers;
   (function (ChildrenWalkers) {
       function walkNone(preAst, parent, walker) {
       }
       ChildrenWalkers.walkNone = walkNone;
       function walkListChildren(preAst, parent, walker) {
           var len = preAst.members.length;
           if(walker.options.reverseSiblings) {
               for(var i = len - 1; i >= 0; i--) {
                   if(walker.options.goNextSibling) {
                       preAst.members[i] = walker.walk(preAst.members[i], preAst);
                   }
               }
           } else {
               for(var i = 0; i < len; i++) {
                   if(walker.options.goNextSibling) {
                       preAst.members[i] = walker.walk(preAst.members[i], preAst);
                   }
               }
           }
       }
       ChildrenWalkers.walkListChildren = walkListChildren;
       function walkUnaryExpressionChildren(preAst, parent, walker) {
           if(preAst.castTerm) {
               preAst.castTerm = walker.walk(preAst.castTerm, preAst);
           }
           if(preAst.operand) {
               preAst.operand = walker.walk(preAst.operand, preAst);
           }
       }
       ChildrenWalkers.walkUnaryExpressionChildren = walkUnaryExpressionChildren;
       function walkBinaryExpressionChildren(preAst, parent, walker) {
           if(walker.options.reverseSiblings) {
               if(preAst.operand2) {
                   preAst.operand2 = walker.walk(preAst.operand2, preAst);
               }
               if((preAst.operand1) && (walker.options.goNextSibling)) {
                   preAst.operand1 = walker.walk(preAst.operand1, preAst);
               }
           } else {
               if(preAst.operand1) {
                   preAst.operand1 = walker.walk(preAst.operand1, preAst);
               }
               if((preAst.operand2) && (walker.options.goNextSibling)) {
                   preAst.operand2 = walker.walk(preAst.operand2, preAst);
               }
           }
       }
       ChildrenWalkers.walkBinaryExpressionChildren = walkBinaryExpressionChildren;
       function walkTypeReferenceChildren(preAst, parent, walker) {
           if(preAst.term) {
               preAst.term = walker.walk(preAst.term, preAst);
           }
       }
       ChildrenWalkers.walkTypeReferenceChildren = walkTypeReferenceChildren;
       function walkCallExpressionChildren(preAst, parent, walker) {
           if(!walker.options.reverseSiblings) {
               preAst.target = walker.walk(preAst.target, preAst);
           }
           if(preAst.arguments && (walker.options.goNextSibling)) {
               preAst.arguments = walker.walk(preAst.arguments, preAst);
           }
           if((walker.options.reverseSiblings) && (walker.options.goNextSibling)) {
               preAst.target = walker.walk(preAst.target, preAst);
           }
       }
       ChildrenWalkers.walkCallExpressionChildren = walkCallExpressionChildren;
       function walkTrinaryExpressionChildren(preAst, parent, walker) {
           if(preAst.operand1) {
               preAst.operand1 = walker.walk(preAst.operand1, preAst);
           }
           if(preAst.operand2 && (walker.options.goNextSibling)) {
               preAst.operand2 = walker.walk(preAst.operand2, preAst);
           }
           if(preAst.operand3 && (walker.options.goNextSibling)) {
               preAst.operand3 = walker.walk(preAst.operand3, preAst);
           }
       }
       ChildrenWalkers.walkTrinaryExpressionChildren = walkTrinaryExpressionChildren;
       function walkFuncDeclChildren(preAst, parent, walker) {
           if(preAst.name) {
               preAst.name = walker.walk(preAst.name, preAst);
           }
           if(preAst.arguments && (preAst.arguments.members.length > 0) && (walker.options.goNextSibling)) {
               preAst.arguments = walker.walk(preAst.arguments, preAst);
           }
           if(preAst.returnTypeAnnotation && (walker.options.goNextSibling)) {
               preAst.returnTypeAnnotation = walker.walk(preAst.returnTypeAnnotation, preAst);
           }
           if(preAst.bod && (preAst.bod.members.length > 0) && (walker.options.goNextSibling)) {
               preAst.bod = walker.walk(preAst.bod, preAst);
           }
       }
       ChildrenWalkers.walkFuncDeclChildren = walkFuncDeclChildren;
       function walkBoundDeclChildren(preAst, parent, walker) {
           if(preAst.id) {
               preAst.id = walker.walk(preAst.id, preAst);
           }
           if(preAst.init) {
               preAst.init = walker.walk(preAst.init, preAst);
           }
           if((preAst.typeExpr) && (walker.options.goNextSibling)) {
               preAst.typeExpr = walker.walk(preAst.typeExpr, preAst);
           }
       }
       ChildrenWalkers.walkBoundDeclChildren = walkBoundDeclChildren;
       function walkReturnStatementChildren(preAst, parent, walker) {
           if(preAst.returnExpression) {
               preAst.returnExpression = walker.walk(preAst.returnExpression, preAst);
           }
       }
       ChildrenWalkers.walkReturnStatementChildren = walkReturnStatementChildren;
       function walkForStatementChildren(preAst, parent, walker) {
           if(preAst.init) {
               preAst.init = walker.walk(preAst.init, preAst);
           }
           if(preAst.cond && walker.options.goNextSibling) {
               preAst.cond = walker.walk(preAst.cond, preAst);
           }
           if(preAst.incr && walker.options.goNextSibling) {
               preAst.incr = walker.walk(preAst.incr, preAst);
           }
           if(preAst.body && walker.options.goNextSibling) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkForStatementChildren = walkForStatementChildren;
       function walkForInStatementChildren(preAst, parent, walker) {
           preAst.lval = walker.walk(preAst.lval, preAst);
           if(walker.options.goNextSibling) {
               preAst.obj = walker.walk(preAst.obj, preAst);
           }
           if(preAst.body && (walker.options.goNextSibling)) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkForInStatementChildren = walkForInStatementChildren;
       function walkIfStatementChildren(preAst, parent, walker) {
           preAst.cond = walker.walk(preAst.cond, preAst);
           if(preAst.thenBod && (walker.options.goNextSibling)) {
               preAst.thenBod = walker.walk(preAst.thenBod, preAst);
           }
           if(preAst.elseBod && (walker.options.goNextSibling)) {
               preAst.elseBod = walker.walk(preAst.elseBod, preAst);
           }
       }
       ChildrenWalkers.walkIfStatementChildren = walkIfStatementChildren;
       function walkWhileStatementChildren(preAst, parent, walker) {
           preAst.cond = walker.walk(preAst.cond, preAst);
           if(preAst.body && (walker.options.goNextSibling)) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkWhileStatementChildren = walkWhileStatementChildren;
       function walkDoWhileStatementChildren(preAst, parent, walker) {
           preAst.cond = walker.walk(preAst.cond, preAst);
           if(preAst.body && (walker.options.goNextSibling)) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkDoWhileStatementChildren = walkDoWhileStatementChildren;
       function walkBlockChildren(preAst, parent, walker) {
           if(preAst.statements) {
               preAst.statements = walker.walk(preAst.statements, preAst);
           }
       }
       ChildrenWalkers.walkBlockChildren = walkBlockChildren;
       function walkCaseStatementChildren(preAst, parent, walker) {
           if(preAst.expr) {
               preAst.expr = walker.walk(preAst.expr, preAst);
           }
           if(preAst.body && walker.options.goNextSibling) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkCaseStatementChildren = walkCaseStatementChildren;
       function walkSwitchStatementChildren(preAst, parent, walker) {
           if(preAst.val) {
               preAst.val = walker.walk(preAst.val, preAst);
           }
           if((preAst.caseList) && walker.options.goNextSibling) {
               preAst.caseList = walker.walk(preAst.caseList, preAst);
           }
       }
       ChildrenWalkers.walkSwitchStatementChildren = walkSwitchStatementChildren;
       function walkTryChildren(preAst, parent, walker) {
           if(preAst.body) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkTryChildren = walkTryChildren;
       function walkTryCatchChildren(preAst, parent, walker) {
           if(preAst.tryNode) {
               preAst.tryNode = walker.walk(preAst.tryNode, preAst);
           }
           if((preAst.catchNode) && walker.options.goNextSibling) {
               preAst.catchNode = walker.walk(preAst.catchNode, preAst);
           }
       }
       ChildrenWalkers.walkTryCatchChildren = walkTryCatchChildren;
       function walkTryFinallyChildren(preAst, parent, walker) {
           if(preAst.tryNode) {
               preAst.tryNode = walker.walk(preAst.tryNode, preAst);
           }
           if(preAst.finallyNode && walker.options.goNextSibling) {
               preAst.finallyNode = walker.walk(preAst.finallyNode, preAst);
           }
       }
       ChildrenWalkers.walkTryFinallyChildren = walkTryFinallyChildren;
       function walkFinallyChildren(preAst, parent, walker) {
           if(preAst.body) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkFinallyChildren = walkFinallyChildren;
       function walkCatchChildren(preAst, parent, walker) {
           if(preAst.param) {
               preAst.param = walker.walk(preAst.param, preAst);
           }
           if((preAst.body) && walker.options.goNextSibling) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkCatchChildren = walkCatchChildren;
       function walkRecordChildren(preAst, parent, walker) {
           preAst.name = walker.walk(preAst.name, preAst);
           if(walker.options.goNextSibling && preAst.members) {
               preAst.members = walker.walk(preAst.members, preAst);
           }
       }
       ChildrenWalkers.walkRecordChildren = walkRecordChildren;
       function walkNamedTypeChildren(preAst, parent, walker) {
           walkRecordChildren(preAst, parent, walker);
       }
       ChildrenWalkers.walkNamedTypeChildren = walkNamedTypeChildren;
       function walkClassDeclChildren(preAst, parent, walker) {
           walkNamedTypeChildren(preAst, parent, walker);
           if(walker.options.goNextSibling && preAst.extendsList) {
               preAst.extendsList = walker.walk(preAst.extendsList, preAst);
           }
           if(walker.options.goNextSibling && preAst.implementsList) {
               preAst.implementsList = walker.walk(preAst.implementsList, preAst);
           }
       }
       ChildrenWalkers.walkClassDeclChildren = walkClassDeclChildren;
       function walkScriptChildren(preAst, parent, walker) {
           if(preAst.bod) {
               preAst.bod = walker.walk(preAst.bod, preAst);
           }
       }
       ChildrenWalkers.walkScriptChildren = walkScriptChildren;
       function walkTypeDeclChildren(preAst, parent, walker) {
           walkNamedTypeChildren(preAst, parent, walker);
           if(walker.options.goNextSibling && preAst.extendsList) {
               preAst.extendsList = walker.walk(preAst.extendsList, preAst);
           }
           if(walker.options.goNextSibling && preAst.implementsList) {
               preAst.implementsList = walker.walk(preAst.implementsList, preAst);
           }
       }
       ChildrenWalkers.walkTypeDeclChildren = walkTypeDeclChildren;
       function walkModuleDeclChildren(preAst, parent, walker) {
           walkRecordChildren(preAst, parent, walker);
       }
       ChildrenWalkers.walkModuleDeclChildren = walkModuleDeclChildren;
       function walkImportDeclChildren(preAst, parent, walker) {
           if(preAst.id) {
               preAst.id = walker.walk(preAst.id, preAst);
           }
           if(preAst.alias) {
               preAst.alias = walker.walk(preAst.alias, preAst);
           }
       }
       ChildrenWalkers.walkImportDeclChildren = walkImportDeclChildren;
       function walkWithStatementChildren(preAst, parent, walker) {
           if(preAst.expr) {
               preAst.expr = walker.walk(preAst.expr, preAst);
           }
           if(preAst.body && walker.options.goNextSibling) {
               preAst.body = walker.walk(preAst.body, preAst);
           }
       }
       ChildrenWalkers.walkWithStatementChildren = walkWithStatementChildren;
       function walkLabelChildren(preAst, parent, walker) {
       }
       ChildrenWalkers.walkLabelChildren = walkLabelChildren;
       function walkLabeledStatementChildren(preAst, parent, walker) {
           preAst.labels = walker.walk(preAst.labels, preAst);
           if(walker.options.goNextSibling) {
               preAst.stmt = walker.walk(preAst.stmt, preAst);
           }
       }
       ChildrenWalkers.walkLabeledStatementChildren = walkLabeledStatementChildren;
   })(ChildrenWalkers || (ChildrenWalkers = {}));
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (AstWalkerWithDetailCallback) {
       function walk(script, callback) {
           var pre = function (cur, parent) {
               walker.options.goChildren = AstWalkerCallback(true, cur, callback);
               return cur;
           };
           var post = function (cur, parent) {
               AstWalkerCallback(false, cur, callback);
               return cur;
           };
           var walker = TypeScript.getAstWalkerFactory().getWalker(pre, post);
           walker.walk(script, null);
       }
       AstWalkerWithDetailCallback.walk = walk;
       function AstWalkerCallback(pre, ast, callback) {
           var nodeType = ast.nodeType;
           var callbackString = (TypeScript.NodeType)._map[nodeType] + "Callback";
           if(callback[callbackString]) {
               return callback[callbackString](pre, ast);
           }
           if(callback.DefaultCallback) {
               return callback.DefaultCallback(pre, ast);
           }
           return true;
       }
   })(TypeScript.AstWalkerWithDetailCallback || (TypeScript.AstWalkerWithDetailCallback = {}));
   var AstWalkerWithDetailCallback = TypeScript.AstWalkerWithDetailCallback;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   function lastOf(items) {
       return (items === null || items.length === 0) ? null : items[items.length - 1];
   }
   TypeScript.lastOf = lastOf;
   function max(a, b) {
       return a >= b ? a : b;
   }
   TypeScript.max = max;
   function min(a, b) {
       return a <= b ? a : b;
   }
   TypeScript.min = min;
   var AstPath = (function () {
       function AstPath() {
           this.asts = [];
           this.top = -1;
       }
       AstPath.reverseIndexOf = function reverseIndexOf(items, index) {
           return (items === null || items.length <= index) ? null : items[items.length - index - 1];
       }
       AstPath.prototype.clone = function () {
           var clone = new AstPath();
           clone.asts = this.asts.map(function (value) {
               return value;
           });
           clone.top = this.top;
           return clone;
       };
       AstPath.prototype.pop = function () {
           var head = this.ast();
           this.up();
           while(this.asts.length > this.count()) {
               this.asts.pop();
           }
           return head;
       };
       AstPath.prototype.push = function (ast) {
           while(this.asts.length > this.count()) {
               this.asts.pop();
           }
           this.top = this.asts.length;
           this.asts.push(ast);
       };
       AstPath.prototype.up = function () {
           if(this.top <= -1) {
               throw new Error("Invalid call to 'up'");
           }
           this.top--;
       };
       AstPath.prototype.down = function () {
           if(this.top == this.ast.length - 1) {
               throw new Error("Invalid call to 'down'");
           }
           this.top++;
       };
       AstPath.prototype.nodeType = function () {
           if(this.ast() == null) {
               return TypeScript.NodeType.None;
           }
           return this.ast().nodeType;
       };
       AstPath.prototype.ast = function () {
           return AstPath.reverseIndexOf(this.asts, this.asts.length - (this.top + 1));
       };
       AstPath.prototype.parent = function () {
           return AstPath.reverseIndexOf(this.asts, this.asts.length - this.top);
       };
       AstPath.prototype.count = function () {
           return this.top + 1;
       };
       AstPath.prototype.get = function (index) {
           return this.asts[index];
       };
       AstPath.prototype.isNameOfClass = function () {
           if(this.ast() === null || this.parent() === null) {
               return false;
           }
           return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.ClassDeclaration) && ((this.parent()).name === this.ast());
       };
       AstPath.prototype.isNameOfInterface = function () {
           if(this.ast() === null || this.parent() === null) {
               return false;
           }
           return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.InterfaceDeclaration) && ((this.parent()).name === this.ast());
       };
       AstPath.prototype.isNameOfArgument = function () {
           if(this.ast() === null || this.parent() === null) {
               return false;
           }
           return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.ArgDecl) && ((this.parent()).id === this.ast());
       };
       AstPath.prototype.isNameOfVariable = function () {
           if(this.ast() === null || this.parent() === null) {
               return false;
           }
           return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.VarDecl) && ((this.parent()).id === this.ast());
       };
       AstPath.prototype.isNameOfModule = function () {
           if(this.ast() === null || this.parent() === null) {
               return false;
           }
           return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.ModuleDeclaration) && ((this.parent()).name === this.ast());
       };
       AstPath.prototype.isNameOfFunction = function () {
           if(this.ast() === null || this.parent() === null) {
               return false;
           }
           return (this.ast().nodeType === TypeScript.NodeType.Name) && (this.parent().nodeType === TypeScript.NodeType.FuncDecl) && ((this.parent()).name === this.ast());
       };
       AstPath.prototype.isChildOfScript = function () {
           var ast = lastOf(this.asts);
           return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Script;
       };
       AstPath.prototype.isChildOfModule = function () {
           var ast = lastOf(this.asts);
           return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.ModuleDeclaration;
       };
       AstPath.prototype.isChildOfClass = function () {
           var ast = lastOf(this.asts);
           return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.ClassDeclaration;
       };
       AstPath.prototype.isArgumentOfClassConstructor = function () {
           var ast = lastOf(this.asts);
           return this.count() >= 5 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.FuncDecl && this.asts[this.top - 3].nodeType === TypeScript.NodeType.List && this.asts[this.top - 4].nodeType === TypeScript.NodeType.ClassDeclaration && ((this.asts[this.top - 2]).isConstructor) && ((this.asts[this.top - 2]).arguments === this.asts[this.top - 1]) && ((this.asts[this.top - 4]).constructorDecl === this.asts[this.top - 2]);
       };
       AstPath.prototype.isChildOfInterface = function () {
           var ast = lastOf(this.asts);
           return this.count() >= 3 && this.asts[this.top] === ast && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.InterfaceDeclaration;
       };
       AstPath.prototype.isTopLevelImplicitModule = function () {
           return this.count() >= 1 && this.asts[this.top].nodeType === TypeScript.NodeType.ModuleDeclaration && TypeScript.hasFlag((this.asts[this.top]).modFlags, TypeScript.ModuleFlags.IsWholeFile);
       };
       AstPath.prototype.isBodyOfTopLevelImplicitModule = function () {
           return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ModuleDeclaration && (this.asts[this.top - 1]).members == this.asts[this.top - 0] && TypeScript.hasFlag((this.asts[this.top - 1]).modFlags, TypeScript.ModuleFlags.IsWholeFile);
       };
       AstPath.prototype.isBodyOfScript = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Script && (this.asts[this.top - 1]).bod == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfSwitch = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Switch && (this.asts[this.top - 1]).caseList == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfModule = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ModuleDeclaration && (this.asts[this.top - 1]).members == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfClass = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ClassDeclaration && (this.asts[this.top - 1]).members == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfFunction = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.FuncDecl && (this.asts[this.top - 1]).bod == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfInterface = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.InterfaceDeclaration && (this.asts[this.top - 1]).members == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfBlock = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Block && (this.asts[this.top - 1]).statements == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfFor = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.For && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfCase = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Case && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfTry = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Try && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfCatch = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Catch && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfDoWhile = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.DoWhile && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfWhile = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.While && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfForIn = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ForIn && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfWith = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.With && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfFinally = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Finally && (this.asts[this.top - 1]).body == this.asts[this.top - 0];
       };
       AstPath.prototype.isCaseOfSwitch = function () {
           return this.count() >= 3 && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Switch && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 2]).caseList == this.asts[this.top - 1];
       };
       AstPath.prototype.isDefaultCaseOfSwitch = function () {
           return this.count() >= 3 && this.asts[this.top - 2].nodeType === TypeScript.NodeType.Switch && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 2]).caseList == this.asts[this.top - 1] && (this.asts[this.top - 2]).defaultCase == this.asts[this.top - 0];
       };
       AstPath.prototype.isListOfObjectLit = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 1]).operand == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfObjectLit = function () {
           return this.isListOfObjectLit();
       };
       AstPath.prototype.isEmptyListOfObjectLit = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 1]).operand == this.asts[this.top - 0] && (this.asts[this.top - 0]).members.length == 0;
       };
       AstPath.prototype.isMemberOfObjectLit = function () {
           return this.count() >= 3 && this.asts[this.top - 2].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 0].nodeType === TypeScript.NodeType.Member && (this.asts[this.top - 2]).operand == this.asts[this.top - 1];
       };
       AstPath.prototype.isNameOfMemberOfObjectLit = function () {
           return this.count() >= 4 && this.asts[this.top - 3].nodeType === TypeScript.NodeType.ObjectLit && this.asts[this.top - 2].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Member && this.asts[this.top - 0].nodeType === TypeScript.NodeType.Name && (this.asts[this.top - 3]).operand == this.asts[this.top - 2];
       };
       AstPath.prototype.isListOfArrayLit = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.ArrayLit && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && (this.asts[this.top - 1]).operand == this.asts[this.top - 0];
       };
       AstPath.prototype.isTargetOfMember = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Member && (this.asts[this.top - 1]).operand1 === this.asts[this.top - 0];
       };
       AstPath.prototype.isMemberOfMember = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Member && (this.asts[this.top - 1]).operand2 === this.asts[this.top - 0];
       };
       AstPath.prototype.isItemOfList = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List;
       };
       AstPath.prototype.isThenOfIf = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.If && (this.asts[this.top - 1]).thenBod == this.asts[this.top - 0];
       };
       AstPath.prototype.isElseOfIf = function () {
           return this.count() >= 2 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.If && (this.asts[this.top - 1]).elseBod == this.asts[this.top - 0];
       };
       AstPath.prototype.isBodyOfDefaultCase = function () {
           return this.isBodyOfCase();
       };
       AstPath.prototype.isSingleStatementList = function () {
           return this.count() >= 1 && this.asts[this.top].nodeType === TypeScript.NodeType.List && (this.asts[this.top]).members.length === 1;
       };
       AstPath.prototype.isArgumentListOfFunction = function () {
           return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.FuncDecl && (this.asts[this.top - 1]).arguments === this.asts[this.top - 0];
       };
       AstPath.prototype.isArgumentOfFunction = function () {
           return this.count() >= 3 && this.asts[this.top - 1].nodeType === TypeScript.NodeType.List && this.asts[this.top - 2].nodeType === TypeScript.NodeType.FuncDecl && (this.asts[this.top - 2]).arguments === this.asts[this.top - 1];
       };
       AstPath.prototype.isArgumentListOfCall = function () {
           return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.Call && (this.asts[this.top - 1]).arguments === this.asts[this.top - 0];
       };
       AstPath.prototype.isArgumentListOfNew = function () {
           return this.count() >= 2 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.List && this.asts[this.top - 1].nodeType === TypeScript.NodeType.New && (this.asts[this.top - 1]).arguments === this.asts[this.top - 0];
       };
       AstPath.prototype.isSynthesizedBlock = function () {
           return this.count() >= 1 && this.asts[this.top - 0].nodeType === TypeScript.NodeType.Block && (this.asts[this.top - 0]).isStatementBlock === false;
       };
       return AstPath;
   })();
   TypeScript.AstPath = AstPath;    
   function isValidAstNode(ast) {
       if(ast === null) {
           return false;
       }
       if(ast.minChar === -1 || ast.limChar === -1) {
           return false;
       }
       return true;
   }
   TypeScript.isValidAstNode = isValidAstNode;
   var AstPathContext = (function () {
       function AstPathContext() {
           this.path = new TypeScript.AstPath();
       }
       return AstPathContext;
   })();
   TypeScript.AstPathContext = AstPathContext;    
   (function (GetAstPathOptions) {
       GetAstPathOptions._map = [];
       GetAstPathOptions.Default = 0;
       GetAstPathOptions.EdgeInclusive = 1;
       GetAstPathOptions.DontPruneSearchBasedOnPosition = 1 << 1;
   })(TypeScript.GetAstPathOptions || (TypeScript.GetAstPathOptions = {}));
   var GetAstPathOptions = TypeScript.GetAstPathOptions;
   function getAstPathToPosition(script, pos, options) {
       if (typeof options === "undefined") { options = GetAstPathOptions.Default; }
       var lookInComments = function (comments) {
           if(comments && comments.length > 0) {
               for(var i = 0; i < comments.length; i++) {
                   var minChar = comments[i].minChar;
                   var limChar = comments[i].limChar;
                   if(!comments[i].isBlockComment) {
                       limChar++;
                   }
                   if(pos >= minChar && pos < limChar) {
                       ctx.path.push(comments[i]);
                   }
               }
           }
       };
       var pre = function (cur, parent, walker) {
           if(isValidAstNode(cur)) {
               var inclusive = TypeScript.hasFlag(options, GetAstPathOptions.EdgeInclusive) || cur.nodeType === TypeScript.NodeType.Name || pos === script.limChar;
               var minChar = cur.minChar;
               var limChar = cur.limChar + (inclusive ? 1 : 0);
               if(pos >= minChar && pos < limChar) {
                   var previous = ctx.path.ast();
                   if(previous == null || (cur.minChar >= previous.minChar && cur.limChar <= previous.limChar)) {
                       ctx.path.push(cur);
                   } else {
                   }
               }
               if(pos < limChar) {
                   lookInComments(cur.preComments);
               }
               if(pos >= minChar) {
                   lookInComments(cur.postComments);
               }
               if(!TypeScript.hasFlag(options, GetAstPathOptions.DontPruneSearchBasedOnPosition)) {
                   walker.options.goChildren = (minChar <= pos && pos <= limChar);
               }
           }
           return cur;
       };
       var ctx = new AstPathContext();
       TypeScript.getAstWalkerFactory().walk(script, pre, null, null, ctx);
       return ctx.path;
   }
   TypeScript.getAstPathToPosition = getAstPathToPosition;
   function getTokenizationOffset(script, position) {
       var bestOffset = 0;
       var pre = function (cur, parent, walker) {
           if(TypeScript.isValidAstNode(cur)) {
               if(cur.minChar <= position) {
                   bestOffset = max(bestOffset, cur.minChar);
               }
               if(cur.minChar > position || cur.limChar < bestOffset) {
                   walker.options.goChildren = false;
               }
           }
           return cur;
       };
       TypeScript.getAstWalkerFactory().walk(script, pre);
       return bestOffset;
   }
   TypeScript.getTokenizationOffset = getTokenizationOffset;
   function walkAST(ast, callback) {
       var pre = function (cur, parent, walker) {
           var path = walker.state;
           path.push(cur);
           callback(path, walker);
           return cur;
       };
       var post = function (cur, parent, walker) {
           var path = walker.state;
           path.pop();
           return cur;
       };
       var path = new AstPath();
       TypeScript.getAstWalkerFactory().walk(ast, pre, post, null, path);
   }
   TypeScript.walkAST = walkAST;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var AstLogger = (function () {
       function AstLogger(logger) {
           this.logger = logger;
       }
       AstLogger.prototype.logScript = function (script) {
           var _this = this;
           this.logLinemap(script.locationInfo.lineMap);
           var stack = [];
           var pre = function (cur, parent) {
               stack.push(cur);
               var indent = (stack.length - 1) * 2;
               _this.logComments(script, cur.preComments, indent);
               _this.logNode(script, cur, indent);
               _this.logComments(script, cur.postComments, indent);
               return cur;
           };
           var post = function (cur, parent) {
               stack.pop();
               return cur;
           };
           TypeScript.getAstWalkerFactory().walk(script, pre, post);
       };
       AstLogger.prototype.logNode = function (script, cur, indent) {
           var msg = this.addPadding("", indent, "| ", true);
           msg = msg.concat("+ " + cur.treeViewLabel());
           msg = this.addPadding(msg, 70, " ", false);
           msg = msg + this.addLineColumn(script, cur.minChar);
           msg = this.addPadding(msg, 80, " ", false);
           msg = msg + "=> ";
           msg = msg + this.addLineColumn(script, cur.limChar);
           msg = this.addPadding(msg, 102, " ", false);
           msg = msg.concat("[" + this.addPadding(cur.minChar.toString(), 1, " ", true) + ", " + this.addPadding(cur.limChar.toString(), 1, " ", true) + "]");
           msg = this.addPadding(msg, 115, " ", false);
           msg = msg.concat("sym=" + (cur).sym);
           msg = this.addPadding(msg, 135, " ", false);
           msg = msg.concat("type=" + (cur.type === null ? "null" : cur.type.getTypeName()));
           this.logger.log(msg);
       };
       AstLogger.prototype.logComments = function (script, comments, indent) {
           if(comments == null) {
               return;
           }
           for(var i = 0; i < comments.length; i++) {
               this.logNode(script, comments[i], indent);
           }
       };
       AstLogger.prototype.logLinemap = function (linemap) {
           var result = "[";
           for(var i = 0; i < linemap.length; i++) {
               if(i > 0) {
                   result += ",";
               }
               result += linemap[i];
           }
           result += "]";
           this.logger.log("linemap: " + result);
       };
       AstLogger.prototype.addPadding = function (s, targetLength, paddingString, leftPadding) {
           var result = (leftPadding ? "" : s);
           for(var i = s.length; i < targetLength; i++) {
               result = result + paddingString;
           }
           result = result + (leftPadding ? s : "");
           return result;
       };
       AstLogger.prototype.addLineColumn = function (script, position) {
           var lineInfo = {
               line: -1,
               col: -1
           };
           TypeScript.getSourceLineColFromMap(lineInfo, position, script.locationInfo.lineMap);
           if(lineInfo.col !== -1) {
               lineInfo.col++;
           }
           return "(" + lineInfo.line + ", " + lineInfo.col + ")";
       };
       return AstLogger;
   })();
   TypeScript.AstLogger = AstLogger;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var Binder = (function () {
       function Binder(checker) {
           this.checker = checker;
       }
       Binder.prototype.resolveBaseTypeLinks = function (typeLinks, scope) {
           var extendsList = null;
           if(typeLinks) {
               extendsList = new Array();
               for(var i = 0, len = typeLinks.length; i < len; i++) {
                   extendsList[i] = this.checker.resolveBaseTypeLink(typeLinks[i], scope);
               }
           }
           return extendsList;
       };
       Binder.prototype.resolveBases = function (scope, type) {
           type.extendsList = this.resolveBaseTypeLinks(type.extendsTypeLinks, scope);
           var i = 0, len = type.extendsList.length;
           var derivedIsClass = type.isClassInstance();
           for(; i < len; i++) {
               var baseIsClass = type.extendsList[i].isClassInstance();
               if(type.extendsList[i] != this.checker.anyType) {
                   var baseRef = type.extendsTypeLinks[i].ast;
                   if(derivedIsClass) {
                       if(!baseIsClass) {
                           this.checker.errorReporter.simpleError(baseRef, "A class may only extend other classes, " + type.extendsList[i].symbol.fullName() + " is not a class.");
                       }
                   } else {
                       if(baseIsClass) {
                           this.checker.errorReporter.simpleError(baseRef, "An interface may only extend other interfaces, " + type.extendsList[i].symbol.fullName() + " is a class.");
                       }
                   }
               }
           }
           type.implementsList = this.resolveBaseTypeLinks(type.implementsTypeLinks, scope);
           if(type.implementsList) {
               for(i = 0 , len = type.implementsList.length; i < len; i++) {
                   var iface = type.implementsList[i];
                   var baseRef = type.implementsTypeLinks[i].ast;
                   if(iface.isClassInstance()) {
                       if(derivedIsClass) {
                           this.checker.errorReporter.simpleError(baseRef, "A class may only implement an interface; " + iface.symbol.fullName() + " is a class.");
                       }
                   }
               }
           }
       };
       Binder.prototype.resolveSignatureGroup = function (signatureGroup, scope, instanceType) {
           var supplyVar = !(signatureGroup.hasImplementation);
           for(var i = 0, len = signatureGroup.signatures.length; i < len; i++) {
               var signature = signatureGroup.signatures[i];
               if(instanceType) {
                   signature.returnType.type = instanceType;
               } else {
                   this.checker.resolveTypeLink(scope, signature.returnType, supplyVar);
               }
               var paramLen = signature.parameters.length;
               for(var j = 0; j < paramLen; j++) {
                   this.bindSymbol(scope, signature.parameters[j]);
               }
               if(signature.hasVariableArgList) {
                   var lastParam = signature.parameters[paramLen - 1];
                   lastParam.argsOffset = paramLen - 1;
                   if(!lastParam.getType().isArray()) {
                       this.checker.errorReporter.simpleErrorFromSym(lastParam, "... parameter must have array type");
                       lastParam.parameter.typeLink.type = this.checker.makeArrayType(lastParam.parameter.typeLink.type);
                   }
               }
           }
       };
       Binder.prototype.bindType = function (scope, type, instanceType) {
           if(instanceType) {
               this.bindType(scope, instanceType, null);
           }
           if(type.hasMembers()) {
               var members = type.members;
               var ambientMembers = type.ambientMembers;
               var typeMembers = type.getAllEnclosedTypes();
               var ambientTypeMembers = type.getAllAmbientEnclosedTypes();
               var memberScope = new TypeScript.SymbolTableScope(members, ambientMembers, typeMembers, ambientTypeMembers, type.symbol);
               var agg = new TypeScript.SymbolAggregateScope(type.symbol);
               var prevCurrentModDecl = this.checker.currentModDecl;
               var prevBindStatus = this.checker.inBind;
               agg.addParentScope(memberScope);
               agg.addParentScope(scope);
               if(type.isModuleType()) {
                   this.checker.currentModDecl = type.symbol.declAST;
                   this.checker.inBind = true;
               }
               if(members) {
                   this.bind(agg, type.members.allMembers);
               }
               if(typeMembers) {
                   this.bind(agg, typeMembers.allMembers);
               }
               if(ambientMembers) {
                   this.bind(agg, ambientMembers.allMembers);
               }
               if(ambientTypeMembers) {
                   this.bind(agg, ambientTypeMembers.allMembers);
               }
               this.checker.currentModDecl = prevCurrentModDecl;
               this.checker.inBind = prevBindStatus;
           }
           if(type.extendsTypeLinks) {
               this.resolveBases(scope, type);
           }
           if(type.construct) {
               this.resolveSignatureGroup(type.construct, scope, instanceType);
           }
           if(type.call) {
               this.resolveSignatureGroup(type.call, scope, null);
           }
           if(type.index) {
               this.resolveSignatureGroup(type.index, scope, null);
           }
           if(type.elementType) {
               this.bindType(scope, type.elementType, null);
           }
       };
       Binder.prototype.bindSymbol = function (scope, symbol) {
           if(!symbol.bound) {
               var prevLocationInfo = this.checker.locationInfo;
               if((this.checker.units) && (symbol.unitIndex >= 0) && (symbol.unitIndex < this.checker.units.length)) {
                   this.checker.locationInfo = this.checker.units[symbol.unitIndex];
               }
               switch(symbol.kind()) {
                   case TypeScript.SymbolKind.Type: {
                       if(symbol.flags & TypeScript.SymbolFlags.Bound) {
                           break;
                       }
                       var typeSymbol = symbol;
                       typeSymbol.flags |= TypeScript.SymbolFlags.Bound;
                       if(typeSymbol.aliasLink && !typeSymbol.type && typeSymbol.aliasLink.alias.nodeType == TypeScript.NodeType.Name) {
                           var modPath = (typeSymbol.aliasLink.alias).text;
                           var modSym = this.checker.findSymbolForDynamicModule(modPath, this.checker.locationInfo.filename, function (id) {
                               return scope.find(id, false, true);
                           });
                           if(modSym) {
                               typeSymbol.type = modSym.getType();
                           }
                       }
                       if(typeSymbol.type && typeSymbol.type != this.checker.gloModType) {
                           this.bindType(scope, typeSymbol.type, typeSymbol.instanceType);
                           if(typeSymbol.type.isModuleType()) {
                               for(var i = 0; i < typeSymbol.expansions.length; i++) {
                                   this.bindType(scope, typeSymbol.expansions[i], typeSymbol.instanceType);
                               }
                           }
                       }
                       break;

                   }
                   case TypeScript.SymbolKind.Field: {
                       this.checker.resolveTypeLink(scope, (symbol).field.typeLink, false);
                       break;

                   }
                   case TypeScript.SymbolKind.Parameter: {
                       this.checker.resolveTypeLink(scope, (symbol).parameter.typeLink, true);
                       break;

                   }
               }
               this.checker.locationInfo = prevLocationInfo;
           }
           symbol.bound = true;
       };
       Binder.prototype.bind = function (scope, table) {
           table.map(function (key, sym, binder) {
               binder.bindSymbol(scope, sym);
           }, this);
       };
       return Binder;
   })();
   TypeScript.Binder = Binder;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var Base64Format = (function () {
       function Base64Format() { }
       Base64Format.encodedValues = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
       Base64Format.encode = function encode(inValue) {
           if(inValue < 64) {
               return Base64Format.encodedValues.charAt(inValue);
           }
           throw TypeError(inValue + ": not a 64 based value");
       }
       Base64Format.decodeChar = function decodeChar(inChar) {
           if(inChar.length === 1) {
               return Base64Format.encodedValues.indexOf(inChar);
           } else {
               throw TypeError('"' + inChar + '" must have length 1');
           }
       }
       return Base64Format;
   })();    
   var Base64VLQFormat = (function () {
       function Base64VLQFormat() { }
       Base64VLQFormat.encode = function encode(inValue) {
           if(inValue < 0) {
               inValue = ((-inValue) << 1) + 1;
           } else {
               inValue = inValue << 1;
           }
           var encodedStr = "";
           do {
               var currentDigit = inValue & 31;
               inValue = inValue >> 5;
               if(inValue > 0) {
                   currentDigit = currentDigit | 32;
               }
               encodedStr = encodedStr + Base64Format.encode(currentDigit);
           }while(inValue > 0)
           return encodedStr;
       }
       Base64VLQFormat.decode = function decode(inString) {
           var result = 0;
           var negative = false;
           var shift = 0;
           for(var i = 0; i < inString.length; i++) {
               var byte = Base64Format.decodeChar(inString[i]);
               if(i === 0) {
                   if((byte & 1) === 1) {
                       negative = true;
                   }
                   result = (byte >> 1) & 15;
               } else {
                   result = result | ((byte & 31) << shift);
               }
               shift += (i == 0) ? 4 : 5;
               if((byte & 32) === 32) {
               } else {
                   return {
                       value: negative ? -(result) : result,
                       rest: inString.substr(i + 1)
                   };
               }
           }
           throw new Error('Base64 value "' + inString + '" finished with a continuation bit');
       }
       return Base64VLQFormat;
   })();
   TypeScript.Base64VLQFormat = Base64VLQFormat;    
})(TypeScript || (TypeScript = {}));
var JSON2 = {
};
((function () {
   'use strict';
   function f(n) {
       return n < 10 ? '0' + n : n;
   }
   if(typeof Date.prototype.toJSON !== 'function') {
       Date.prototype.toJSON = function (key) {
           return isFinite(this.valueOf()) ? this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1) + '-' + f(this.getUTCDate()) + 'T' + f(this.getUTCHours()) + ':' + f(this.getUTCMinutes()) + ':' + f(this.getUTCSeconds()) + 'Z' : null;
       };
       var strProto = String.prototype;
       var numProto = Number.prototype;
       numProto.JSON = strProto.JSON = (Boolean).prototype.toJSON = function (key) {
           return this.valueOf();
       };
   }
   var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, gap, indent, meta = {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"': '\\"',
'\\': '\\\\'    }, rep;
   function quote(string) {
       escapable.lastIndex = 0;
       return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
           var c = meta[a];
           return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
       }) + '"' : '"' + string + '"';
   }
   function str(key, holder) {
       var i, k = null, v, length, mind = gap, partial, value = holder[key];
       if(value && typeof value === 'object' && typeof value.toJSON === 'function') {
           value = value.toJSON(key);
       }
       if(typeof rep === 'function') {
           value = rep.call(holder, key, value);
       }
       switch(typeof value) {
           case 'string': {
               return quote(value);

           }
           case 'number': {
               return isFinite(value) ? String(value) : 'null';

           }
           case 'boolean':
           case 'null': {
               return String(value);

           }
           case 'object': {
               if(!value) {
                   return 'null';
               }
               gap += indent;
               partial = [];
               if(Object.prototype.toString.apply(value, []) === '[object Array]') {
                   length = value.length;
                   for(i = 0; i < length; i += 1) {
                       partial[i] = str(i, value) || 'null';
                   }
                   v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']';
                   gap = mind;
                   return v;
               }
               if(rep && typeof rep === 'object') {
                   length = rep.length;
                   for(i = 0; i < length; i += 1) {
                       if(typeof rep[i] === 'string') {
                           k = rep[i];
                           v = str(k, value);
                           if(v) {
                               partial.push(quote(k) + (gap ? ': ' : ':') + v);
                           }
                       }
                   }
               } else {
                   for(k in value) {
                       if(Object.prototype.hasOwnProperty.call(value, k)) {
                           v = str(k, value);
                           if(v) {
                               partial.push(quote(k) + (gap ? ': ' : ':') + v);
                           }
                       }
                   }
               }
               v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}';
               gap = mind;
               return v;

           }
       }
   }
   if(typeof JSON2.stringify !== 'function') {
       JSON2.stringify = function (value, replacer, space) {
           var i;
           gap = '';
           indent = '';
           if(typeof space === 'number') {
               for(i = 0; i < space; i += 1) {
                   indent += ' ';
               }
           } else {
               if(typeof space === 'string') {
                   indent = space;
               }
           }
           rep = replacer;
           if(replacer && typeof replacer !== 'function' && (typeof replacer !== 'object' || typeof replacer.length !== 'number')) {
               throw new Error('JSON.stringify');
           }
           return str('', {
               '': value
           });
       };
   }
   if(typeof JSON2.parse !== 'function') {
       JSON2.parse = function (text, reviver) {
           var j;
           function walk(holder, key) {
               var k = null, v, value = holder[key];
               if(value && typeof value === 'object') {
                   for(k in value) {
                       if(Object.prototype.hasOwnProperty.call(value, k)) {
                           v = walk(value, k);
                           if(v !== undefined) {
                               value[k] = v;
                           } else {
                               delete value[k];
                           }
                       }
                   }
               }
               return reviver.call(holder, key, value);
           }
           text = String(text);
           cx.lastIndex = 0;
           if(cx.test(text)) {
               text = text.replace(cx, function (a) {
                   return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
               });
           }
           if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
               j = eval('(' + text + ')');
               return typeof reviver === 'function' ? walk({
                   '': j
               }, '') : j;
           }
           throw new SyntaxError('JSON.parse');
       };
   }
})());
var TypeScript;
(function (TypeScript) {
   var SourceMapPosition = (function () {
       function SourceMapPosition() { }
       return SourceMapPosition;
   })();
   TypeScript.SourceMapPosition = SourceMapPosition;    
   var SourceMapping = (function () {
       function SourceMapping() {
           this.start = new SourceMapPosition();
           this.end = new SourceMapPosition();
           this.nameIndex = -1;
           this.childMappings = [];
       }
       return SourceMapping;
   })();
   TypeScript.SourceMapping = SourceMapping;    
   var SourceMapper = (function () {
       function SourceMapper(tsFileName, jsFileName, jsFile, sourceMapOut, errorReporter) {
           this.jsFile = jsFile;
           this.sourceMapOut = sourceMapOut;
           this.errorReporter = errorReporter;
           this.sourceMappings = [];
           this.currentMappings = [];
           this.names = [];
           this.currentNameIndex = [];
           this.currentMappings.push(this.sourceMappings);
           jsFileName = TypeScript.switchToForwardSlashes(jsFileName);
           this.jsFileName = TypeScript.getPrettyName(jsFileName, false, true);
           var removalIndex = jsFileName.lastIndexOf(this.jsFileName);
           var fixedPath = jsFileName.substring(0, removalIndex);
           this.tsFileName = TypeScript.getRelativePathToFixedPath(fixedPath, tsFileName);
       }
       SourceMapper.MapFileExtension = ".map";
       SourceMapper.EmitSourceMapping = function EmitSourceMapping(allSourceMappers) {
           var sourceMapper = allSourceMappers[0];
           sourceMapper.jsFile.WriteLine("//@ sourceMappingURL=" + sourceMapper.jsFileName + SourceMapper.MapFileExtension);
           var sourceMapOut = sourceMapper.sourceMapOut;
           var mappingsString = "";
           var tsFiles = [];
           var prevEmittedColumn = 0;
           var prevEmittedLine = 0;
           var prevSourceColumn = 0;
           var prevSourceLine = 0;
           var prevSourceIndex = 0;
           var prevNameIndex = 0;
           var namesList = [];
           var namesCount = 0;
           var emitComma = false;
           var recordedPosition = null;
           for(var sourceMapperIndex = 0; sourceMapperIndex < allSourceMappers.length; sourceMapperIndex++) {
               sourceMapper = allSourceMappers[sourceMapperIndex];
               var currentSourceIndex = tsFiles.length;
               tsFiles.push(sourceMapper.tsFileName);
               if(sourceMapper.names.length > 0) {
                   namesList.push.apply(namesList, sourceMapper.names);
               }
               var recordSourceMapping = function (mappedPosition, nameIndex) {
                   if(recordedPosition != null && recordedPosition.emittedColumn == mappedPosition.emittedColumn && recordedPosition.emittedLine == mappedPosition.emittedLine) {
                       return;
                   }
                   if(prevEmittedLine !== mappedPosition.emittedLine) {
                       while(prevEmittedLine < mappedPosition.emittedLine) {
                           prevEmittedColumn = 0;
                           mappingsString = mappingsString + ";";
                           prevEmittedLine++;
                       }
                       emitComma = false;
                   } else {
                       if(emitComma) {
                           mappingsString = mappingsString + ",";
                       }
                   }
                   mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(mappedPosition.emittedColumn - prevEmittedColumn);
                   prevEmittedColumn = mappedPosition.emittedColumn;
                   mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(currentSourceIndex - prevSourceIndex);
                   prevSourceIndex = currentSourceIndex;
                   mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(mappedPosition.sourceLine - 1 - prevSourceLine);
                   prevSourceLine = mappedPosition.sourceLine - 1;
                   mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(mappedPosition.sourceColumn - prevSourceColumn);
                   prevSourceColumn = mappedPosition.sourceColumn;
                   if(nameIndex >= 0) {
                       mappingsString = mappingsString + TypeScript.Base64VLQFormat.encode(namesCount + nameIndex - prevNameIndex);
                       prevNameIndex = namesCount + nameIndex;
                   }
                   emitComma = true;
                   recordedPosition = mappedPosition;
               };
               var recordSourceMappingSiblings = function (sourceMappings) {
                   for(var i = 0; i < sourceMappings.length; i++) {
                       var sourceMapping = sourceMappings[i];
                       recordSourceMapping(sourceMapping.start, sourceMapping.nameIndex);
                       recordSourceMappingSiblings(sourceMapping.childMappings);
                       recordSourceMapping(sourceMapping.end, sourceMapping.nameIndex);
                   }
               };
               recordSourceMappingSiblings(sourceMapper.sourceMappings, -1);
               namesCount = namesCount + sourceMapper.names.length;
           }
           if(mappingsString != "") {
               sourceMapOut.Write(JSON2.stringify({
                   version: 3,
                   file: sourceMapper.jsFileName,
                   sources: tsFiles,
                   names: namesList,
                   mappings: mappingsString
               }));
           }
           try  {
               sourceMapOut.Close();
           } catch (ex) {
               sourceMapper.errorReporter.emitterError(null, ex.message);
           }
       }
       return SourceMapper;
   })();
   TypeScript.SourceMapper = SourceMapper;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (EmitContainer) {
       EmitContainer._map = [];
       EmitContainer._map[0] = "Prog";
       EmitContainer.Prog = 0;
       EmitContainer._map[1] = "Module";
       EmitContainer.Module = 1;
       EmitContainer._map[2] = "DynamicModule";
       EmitContainer.DynamicModule = 2;
       EmitContainer._map[3] = "Class";
       EmitContainer.Class = 3;
       EmitContainer._map[4] = "Constructor";
       EmitContainer.Constructor = 4;
       EmitContainer._map[5] = "Function";
       EmitContainer.Function = 5;
       EmitContainer._map[6] = "Args";
       EmitContainer.Args = 6;
       EmitContainer._map[7] = "Interface";
       EmitContainer.Interface = 7;
   })(TypeScript.EmitContainer || (TypeScript.EmitContainer = {}));
   var EmitContainer = TypeScript.EmitContainer;
   var EmitState = (function () {
       function EmitState() {
           this.column = 0;
           this.line = 0;
           this.pretty = false;
           this.inObjectLiteral = false;
           this.container = EmitContainer.Prog;
       }
       return EmitState;
   })();
   TypeScript.EmitState = EmitState;    
   var EmitOptions = (function () {
       function EmitOptions(settings) {
           this.ioHost = null;
           this.outputMany = true;
           this.commonDirectoryPath = "";
           this.minWhitespace = settings.minWhitespace;
           this.propagateConstants = settings.propagateConstants;
           this.emitComments = settings.emitComments;
           this.outputOption = settings.outputOption;
       }
       EmitOptions.prototype.mapOutputFileName = function (fileName, extensionChanger) {
           if(this.outputMany) {
               var updatedFileName = fileName;
               if(this.outputOption != "") {
                   updatedFileName = fileName.replace(this.commonDirectoryPath, "");
                   updatedFileName = this.outputOption + updatedFileName;
               }
               return extensionChanger(updatedFileName, false);
           } else {
               return extensionChanger(this.outputOption, true);
           }
       };
       return EmitOptions;
   })();
   TypeScript.EmitOptions = EmitOptions;    
   var Indenter = (function () {
       function Indenter() {
           this.indentAmt = 0;
       }
       Indenter.indentStep = 4;
       Indenter.indentStepString = "    ";
       Indenter.indentStrings = [];
       Indenter.prototype.increaseIndent = function () {
           this.indentAmt += Indenter.indentStep;
       };
       Indenter.prototype.decreaseIndent = function () {
           this.indentAmt -= Indenter.indentStep;
       };
       Indenter.prototype.getIndent = function () {
           var indentString = Indenter.indentStrings[this.indentAmt];
           if(indentString === undefined) {
               indentString = "";
               for(var i = 0; i < this.indentAmt; i = i + Indenter.indentStep) {
                   indentString += Indenter.indentStepString;
               }
               Indenter.indentStrings[this.indentAmt] = indentString;
           }
           return indentString;
       };
       return Indenter;
   })();
   TypeScript.Indenter = Indenter;    
   var Emitter = (function () {
       function Emitter(checker, emittingFileName, outfile, emitOptions, errorReporter) {
           this.checker = checker;
           this.emittingFileName = emittingFileName;
           this.outfile = outfile;
           this.emitOptions = emitOptions;
           this.errorReporter = errorReporter;
           this.prologueEmitted = false;
           this.thisClassNode = null;
           this.thisFnc = null;
           this.moduleDeclList = [];
           this.moduleName = "";
           this.emitState = new EmitState();
           this.indenter = new Indenter();
           this.ambientModule = false;
           this.modAliasId = null;
           this.firstModAlias = null;
           this.allSourceMappers = [];
           this.sourceMapper = null;
           this.captureThisStmtString = "var _this = this;";
           this.varListCountStack = [
               0
           ];
       }
       Emitter.prototype.setSourceMappings = function (mapper) {
           this.allSourceMappers.push(mapper);
           this.sourceMapper = mapper;
       };
       Emitter.prototype.writeToOutput = function (s) {
           this.outfile.Write(s);
           this.emitState.column += s.length;
       };
       Emitter.prototype.writeToOutputTrimmable = function (s) {
           if(this.emitOptions.minWhitespace) {
               s = s.replace(/[\s]*/g, '');
           }
           this.writeToOutput(s);
       };
       Emitter.prototype.writeLineToOutput = function (s) {
           if(this.emitOptions.minWhitespace) {
               this.writeToOutput(s);
               var c = s.charCodeAt(s.length - 1);
               if(!((c == TypeScript.LexCodeSpace) || (c == TypeScript.LexCodeSMC) || (c == TypeScript.LexCodeLBR))) {
                   this.writeToOutput(' ');
               }
           } else {
               this.outfile.WriteLine(s);
               this.emitState.column = 0;
               this.emitState.line++;
           }
       };
       Emitter.prototype.writeCaptureThisStatement = function (ast) {
           this.emitIndent();
           this.recordSourceMappingStart(ast);
           this.writeToOutput(this.captureThisStmtString);
           this.recordSourceMappingEnd(ast);
           this.writeLineToOutput("");
       };
       Emitter.prototype.setInVarBlock = function (count) {
           this.varListCountStack[this.varListCountStack.length - 1] = count;
       };
       Emitter.prototype.setInObjectLiteral = function (val) {
           var temp = this.emitState.inObjectLiteral;
           this.emitState.inObjectLiteral = val;
           return temp;
       };
       Emitter.prototype.setContainer = function (c) {
           var temp = this.emitState.container;
           this.emitState.container = c;
           return temp;
       };
       Emitter.prototype.getIndentString = function () {
           if(this.emitOptions.minWhitespace) {
               return "";
           } else {
               return this.indenter.getIndent();
           }
       };
       Emitter.prototype.emitIndent = function () {
           this.writeToOutput(this.getIndentString());
       };
       Emitter.prototype.emitCommentInPlace = function (comment) {
           this.recordSourceMappingStart(comment);
           var text = comment.getText();
           var hadNewLine = false;
           if(comment.isBlockComment) {
               if(this.emitState.column == 0) {
                   this.emitIndent();
               }
               this.writeToOutput(text[0]);
               if(text.length > 1 || comment.endsLine) {
                   this.writeLineToOutput("");
                   for(var i = 1; i < text.length; i++) {
                       this.emitIndent();
                       this.writeLineToOutput(text[i]);
                   }
                   hadNewLine = true;
               }
           } else {
               if(this.emitState.column == 0) {
                   this.emitIndent();
               }
               this.writeLineToOutput(text[0]);
               hadNewLine = true;
           }
           if(hadNewLine) {
               this.emitIndent();
           } else {
               this.writeToOutput(" ");
           }
           this.recordSourceMappingEnd(comment);
       };
       Emitter.prototype.emitParensAndCommentsInPlace = function (ast, pre) {
           var comments = pre ? ast.preComments : ast.postComments;
           if(ast.isParenthesized && !pre) {
               this.writeToOutput(")");
           }
           if(this.emitOptions.emitComments && comments && comments.length != 0) {
               for(var i = 0; i < comments.length; i++) {
                   this.emitCommentInPlace(comments[i]);
               }
           }
           if(ast.isParenthesized && pre) {
               this.writeToOutput("(");
           }
       };
       Emitter.prototype.emitObjectLiteral = function (content) {
           this.writeLineToOutput("{");
           this.indenter.increaseIndent();
           var inObjectLiteral = this.setInObjectLiteral(true);
           this.emitJavascriptList(content, ",", TypeScript.TokenID.Comma, true, false, false);
           this.setInObjectLiteral(inObjectLiteral);
           this.indenter.decreaseIndent();
           this.emitIndent();
           this.writeToOutput("}");
       };
       Emitter.prototype.emitArrayLiteral = function (content) {
           this.writeToOutput("[");
           if(content) {
               this.writeLineToOutput("");
               this.indenter.increaseIndent();
               this.emitJavascriptList(content, ", ", TypeScript.TokenID.Comma, true, false, false);
               this.indenter.decreaseIndent();
               this.emitIndent();
           }
           this.writeToOutput("]");
       };
       Emitter.prototype.emitNew = function (target, args) {
           this.writeToOutput("new ");
           if(target.nodeType == TypeScript.NodeType.TypeRef) {
               var typeRef = target;
               if(typeRef.arrayCount) {
                   this.writeToOutput("Array()");
               } else {
                   this.emitJavascript(typeRef.term, TypeScript.TokenID.Tilde, false);
                   this.writeToOutput("()");
               }
           } else {
               this.emitJavascript(target, TypeScript.TokenID.Tilde, false);
               this.recordSourceMappingStart(args);
               this.writeToOutput("(");
               this.emitJavascriptList(args, ", ", TypeScript.TokenID.Comma, false, false, false);
               this.writeToOutput(")");
               this.recordSourceMappingEnd(args);
           }
       };
       Emitter.prototype.tryEmitConstant = function (dotExpr) {
           if(!this.emitOptions.propagateConstants) {
               return false;
           }
           var propertyName = dotExpr.operand2;
           if(propertyName && propertyName.sym && propertyName.sym.isVariable()) {
               if(TypeScript.hasFlag(propertyName.sym.flags, TypeScript.SymbolFlags.Constant)) {
                   if(propertyName.sym.declAST) {
                       var boundDecl = propertyName.sym.declAST;
                       if(boundDecl.init && (boundDecl.init.nodeType == TypeScript.NodeType.NumberLit)) {
                           var numLit = boundDecl.init;
                           this.writeToOutput(numLit.value.toString());
                           var comment = " /* ";
                           comment += propertyName.actualText;
                           comment += " */ ";
                           this.writeToOutput(comment);
                           return true;
                       }
                   }
               }
           }
           return false;
       };
       Emitter.prototype.emitCall = function (callNode, target, args) {
           if(!this.emitSuperCall(callNode)) {
               if(!TypeScript.hasFlag(callNode.flags, TypeScript.ASTFlags.ClassBaseConstructorCall)) {
                   if(target.nodeType == TypeScript.NodeType.FuncDecl && !target.isParenthesized) {
                       this.writeToOutput("(");
                   }
                   if(callNode.target.nodeType == TypeScript.NodeType.Super && this.emitState.container == EmitContainer.Constructor) {
                       this.writeToOutput("_super.call");
                   } else {
                       this.emitJavascript(target, TypeScript.TokenID.OpenParen, false);
                   }
                   if(target.nodeType == TypeScript.NodeType.FuncDecl && !target.isParenthesized) {
                       this.writeToOutput(")");
                   }
                   this.recordSourceMappingStart(args);
                   this.writeToOutput("(");
                   if(callNode.target.nodeType == TypeScript.NodeType.Super && this.emitState.container == EmitContainer.Constructor) {
                       this.writeToOutput("this");
                       if(args && args.members.length) {
                           this.writeToOutput(", ");
                       }
                   }
                   this.emitJavascriptList(args, ", ", TypeScript.TokenID.Comma, false, false, false);
                   this.writeToOutput(")");
                   this.recordSourceMappingEnd(args);
               } else {
                   this.indenter.decreaseIndent();
                   this.indenter.decreaseIndent();
                   var constructorCall = new TypeScript.ASTList();
                   constructorCall.members[0] = callNode;
                   this.emitConstructorCalls(constructorCall, this.thisClassNode);
                   this.indenter.increaseIndent();
                   this.indenter.increaseIndent();
               }
           }
       };
       Emitter.prototype.emitConstructorCalls = function (bases, classDecl) {
           if(bases == null) {
               return;
           }
           var basesLen = bases.members.length;
           this.recordSourceMappingStart(classDecl);
           for(var i = 0; i < basesLen; i++) {
               var baseExpr = bases.members[i];
               var baseSymbol = null;
               if(baseExpr.nodeType == TypeScript.NodeType.Call) {
                   baseSymbol = (baseExpr).target.type.symbol;
               } else {
                   baseSymbol = baseExpr.type.symbol;
               }
               var baseName = baseSymbol.name;
               if(baseSymbol.declModule != classDecl.type.symbol.declModule) {
                   baseName = baseSymbol.fullName();
               }
               if(baseExpr.nodeType == TypeScript.NodeType.Call) {
                   this.emitIndent();
                   this.writeToOutput("_super.call(this");
                   var args = (baseExpr).arguments;
                   if(args && (args.members.length > 0)) {
                       this.writeToOutput(", ");
                       this.emitJavascriptList(args, ", ", TypeScript.TokenID.Comma, false, false, false);
                   }
                   this.writeToOutput(")");
               } else {
                   if(baseExpr.type && (baseExpr.type.isClassInstance())) {
                       this.emitIndent();
                       this.writeToOutput(classDecl.name.actualText + "._super.constructor");
                       this.writeToOutput(".call(this)");
                   }
               }
           }
           this.recordSourceMappingEnd(classDecl);
       };
       Emitter.prototype.emitInnerFunction = function (funcDecl, printName, isMember, bases, hasSelfRef, classDecl) {
           var isClassConstructor = funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod);
           var hasNonObjectBaseType = isClassConstructor && TypeScript.hasFlag(this.thisClassNode.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseType) && !TypeScript.hasFlag(this.thisClassNode.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseTypeOfObject);
           var classPropertiesMustComeAfterSuperCall = hasNonObjectBaseType && TypeScript.hasFlag((this.thisClassNode).varFlags, TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor);
           var shouldParenthesize = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFunctionExpression) && !funcDecl.isParenthesized && !funcDecl.isAccessor() && (TypeScript.hasFlag(funcDecl.flags, TypeScript.ASTFlags.ExplicitSemicolon) || TypeScript.hasFlag(funcDecl.flags, TypeScript.ASTFlags.AutomaticSemicolon));
           this.emitParensAndCommentsInPlace(funcDecl, true);
           if(shouldParenthesize) {
               this.writeToOutput("(");
           }
           this.recordSourceMappingStart(funcDecl);
           if(!(funcDecl.isAccessor() && (funcDecl.accessorSymbol).isObjectLitField)) {
               this.writeToOutput("function ");
           }
           if(printName) {
               var id = funcDecl.getNameText();
               if(id && !funcDecl.isAccessor()) {
                   if(funcDecl.name) {
                       this.recordSourceMappingStart(funcDecl.name);
                   }
                   this.writeToOutput(id);
                   if(funcDecl.name) {
                       this.recordSourceMappingEnd(funcDecl.name);
                   }
               }
           }
           this.writeToOutput("(");
           var argsLen = 0;
           var i = 0;
           var arg;
           var defaultArgs = [];
           if(funcDecl.arguments) {
               var tempContainer = this.setContainer(EmitContainer.Args);
               argsLen = funcDecl.arguments.members.length;
               var printLen = argsLen;
               if(funcDecl.variableArgList) {
                   printLen--;
               }
               for(i = 0; i < printLen; i++) {
                   arg = funcDecl.arguments.members[i];
                   if(arg.init) {
                       defaultArgs.push(arg);
                   }
                   this.emitJavascript(arg, TypeScript.TokenID.OpenParen, false);
                   if(i < (printLen - 1)) {
                       this.writeToOutput(", ");
                   }
               }
               this.setContainer(tempContainer);
           }
           this.writeLineToOutput(") {");
           if(funcDecl.isConstructor) {
               this.recordSourceMappingNameStart("constructor");
           } else {
               if(funcDecl.isGetAccessor()) {
                   this.recordSourceMappingNameStart("get_" + funcDecl.getNameText());
               } else {
                   if(funcDecl.isSetAccessor()) {
                       this.recordSourceMappingNameStart("set_" + funcDecl.getNameText());
                   } else {
                       this.recordSourceMappingNameStart(funcDecl.getNameText());
                   }
               }
           }
           this.indenter.increaseIndent();
           for(i = 0; i < defaultArgs.length; i++) {
               var arg = defaultArgs[i];
               this.emitIndent();
               this.recordSourceMappingStart(arg);
               this.writeToOutput("if (typeof " + arg.id.actualText + " === \"undefined\") { ");
               this.recordSourceMappingStart(arg.id);
               this.writeToOutput(arg.id.actualText);
               this.recordSourceMappingEnd(arg.id);
               this.writeToOutput(" = ");
               this.emitJavascript(arg.init, TypeScript.TokenID.OpenParen, false);
               this.writeLineToOutput("; }");
               this.recordSourceMappingEnd(arg);
           }
           if(funcDecl.isConstructor && ((funcDecl.classDecl).varFlags & TypeScript.VarFlags.MustCaptureThis)) {
               this.writeCaptureThisStatement(funcDecl);
           }
           if(funcDecl.isConstructor && !classPropertiesMustComeAfterSuperCall) {
               if(funcDecl.arguments) {
                   argsLen = funcDecl.arguments.members.length;
                   for(i = 0; i < argsLen; i++) {
                       arg = funcDecl.arguments.members[i];
                       if((arg.varFlags & TypeScript.VarFlags.Property) != TypeScript.VarFlags.None) {
                           this.emitIndent();
                           this.recordSourceMappingStart(arg);
                           this.recordSourceMappingStart(arg.id);
                           this.writeToOutput("this." + arg.id.actualText);
                           this.recordSourceMappingEnd(arg.id);
                           this.writeToOutput(" = ");
                           this.recordSourceMappingStart(arg.id);
                           this.writeToOutput(arg.id.actualText);
                           this.recordSourceMappingEnd(arg.id);
                           this.writeLineToOutput(";");
                           this.recordSourceMappingEnd(arg);
                       }
                   }
               }
               if(!TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                   this.emitConstructorCalls(bases, classDecl);
               }
           }
           if(hasSelfRef) {
               this.writeCaptureThisStatement(funcDecl);
           }
           if(funcDecl.variableArgList) {
               argsLen = funcDecl.arguments.members.length;
               var lastArg = funcDecl.arguments.members[argsLen - 1];
               this.emitIndent();
               this.recordSourceMappingStart(lastArg);
               this.writeToOutput("var ");
               this.recordSourceMappingStart(lastArg.id);
               this.writeToOutput(lastArg.id.actualText);
               this.recordSourceMappingEnd(lastArg.id);
               this.writeLineToOutput(" = [];");
               this.recordSourceMappingEnd(lastArg);
               this.emitIndent();
               this.writeToOutput("for (");
               this.recordSourceMappingStart(lastArg);
               this.writeToOutput("var _i = 0;");
               this.recordSourceMappingEnd(lastArg);
               this.writeToOutput(" ");
               this.recordSourceMappingStart(lastArg);
               this.writeToOutput("_i < (arguments.length - " + (argsLen - 1) + ")");
               this.recordSourceMappingEnd(lastArg);
               this.writeToOutput("; ");
               this.recordSourceMappingStart(lastArg);
               this.writeToOutput("_i++");
               this.recordSourceMappingEnd(lastArg);
               this.writeLineToOutput(") {");
               this.indenter.increaseIndent();
               this.emitIndent();
               this.recordSourceMappingStart(lastArg);
               this.writeToOutput(lastArg.id.actualText + "[_i] = arguments[_i + " + (argsLen - 1) + "];");
               this.recordSourceMappingEnd(lastArg);
               this.writeLineToOutput("");
               this.indenter.decreaseIndent();
               this.emitIndent();
               this.writeLineToOutput("}");
           }
           if(funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod) && !classPropertiesMustComeAfterSuperCall) {
               var nProps = (this.thisClassNode.members).members.length;
               for(var i = 0; i < nProps; i++) {
                   if((this.thisClassNode.members).members[i].nodeType == TypeScript.NodeType.VarDecl) {
                       var varDecl = (this.thisClassNode.members).members[i];
                       if(!TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static) && varDecl.init) {
                           this.emitIndent();
                           this.emitJavascriptVarDecl(varDecl, TypeScript.TokenID.Tilde);
                           this.writeLineToOutput("");
                       }
                   }
               }
           }
           this.emitBareJavascriptStatements(funcDecl.bod, classPropertiesMustComeAfterSuperCall);
           this.indenter.decreaseIndent();
           this.emitIndent();
           this.recordSourceMappingStart(funcDecl.endingToken);
           this.writeToOutput("}");
           this.recordSourceMappingNameEnd();
           this.recordSourceMappingEnd(funcDecl.endingToken);
           this.recordSourceMappingEnd(funcDecl);
           if(shouldParenthesize) {
               this.writeToOutput(")");
           }
           this.recordSourceMappingEnd(funcDecl);
           this.emitParensAndCommentsInPlace(funcDecl, false);
           if(!isMember && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFunctionExpression) && (TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Definition) || funcDecl.isConstructor)) {
               this.writeLineToOutput("");
           } else {
               if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFunctionExpression)) {
                   if(TypeScript.hasFlag(funcDecl.flags, TypeScript.ASTFlags.ExplicitSemicolon) || TypeScript.hasFlag(funcDecl.flags, TypeScript.ASTFlags.AutomaticSemicolon)) {
                       this.writeLineToOutput(";");
                   }
               }
           }
       };
       Emitter.prototype.emitJavascriptModule = function (moduleDecl) {
           var modName = moduleDecl.name.actualText;
           if(TypeScript.isTSFile(modName)) {
               moduleDecl.name.setText(modName.substring(0, modName.length - 3));
           } else {
               if(TypeScript.isSTRFile(modName)) {
                   moduleDecl.name.setText(modName.substring(0, modName.length - 4));
               }
           }
           if(!TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Ambient)) {
               var isDynamicMod = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsDynamic);
               var prevOutFile = this.outfile;
               var prevOutFileName = this.emittingFileName;
               var prevAllSourceMappers = this.allSourceMappers;
               var prevSourceMapper = this.sourceMapper;
               var prevColumn = this.emitState.column;
               var prevLine = this.emitState.line;
               var temp = this.setContainer(EmitContainer.Module);
               var svModuleName = this.moduleName;
               var isExported = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Exported);
               this.moduleDeclList[this.moduleDeclList.length] = moduleDecl;
               var isWholeFile = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsWholeFile);
               this.moduleName = moduleDecl.name.actualText;
               if(isDynamicMod) {
                   var tsModFileName = TypeScript.stripQuotes(moduleDecl.name.actualText);
                   var modFilePath = TypeScript.trimModName(tsModFileName) + ".js";
                   modFilePath = this.emitOptions.mapOutputFileName(modFilePath, TypeScript.TypeScriptCompiler.mapToJSFileName);
                   if(this.emitOptions.ioHost) {
                       if(TypeScript.switchToForwardSlashes(modFilePath) != TypeScript.switchToForwardSlashes(this.emittingFileName)) {
                           this.emittingFileName = modFilePath;
                           var useUTF8InOutputfile = moduleDecl.containsUnicodeChar || (this.emitOptions.emitComments && moduleDecl.containsUnicodeCharInComment);
                           this.outfile = this.createFile(this.emittingFileName, useUTF8InOutputfile);
                           if(prevSourceMapper != null) {
                               this.allSourceMappers = [];
                               var sourceMappingFile = this.createFile(this.emittingFileName + TypeScript.SourceMapper.MapFileExtension, false);
                               this.setSourceMappings(new TypeScript.SourceMapper(tsModFileName, this.emittingFileName, this.outfile, sourceMappingFile, this.errorReporter));
                               this.emitState.column = 0;
                               this.emitState.line = 0;
                           }
                       } else {
                           TypeScript.CompilerDiagnostics.assert(this.emitOptions.outputMany, "Cannot have dynamic modules compiling into single file");
                       }
                   }
                   this.setContainer(EmitContainer.DynamicModule);
                   this.recordSourceMappingStart(moduleDecl);
                   if(TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                       var dependencyList = "[\"require\", \"exports\"";
                       var importList = "require, exports";
                       var importStatement = null;
                       for(var i = 0; i < (moduleDecl.mod).importedModules.length; i++) {
                           importStatement = (moduleDecl.mod).importedModules[i];
                           if(importStatement.id.sym && !(importStatement.id.sym).onlyReferencedAsTypeRef) {
                               if(i <= (moduleDecl.mod).importedModules.length - 1) {
                                   dependencyList += ", ";
                                   importList += ", ";
                               }
                               importList += "__" + importStatement.id.actualText + "__";
                               dependencyList += importStatement.firstAliasedModToString();
                           }
                       }
                       for(var i = 0; i < moduleDecl.amdDependencies.length; i++) {
                           dependencyList += ", \"" + moduleDecl.amdDependencies[i] + "\"";
                       }
                       dependencyList += "]";
                       this.writeLineToOutput("define(" + dependencyList + "," + " function(" + importList + ") {");
                   } else {
                   }
               } else {
                   if(!isExported) {
                       this.recordSourceMappingStart(moduleDecl);
                       this.writeToOutput("var ");
                       this.recordSourceMappingStart(moduleDecl.name);
                       this.writeToOutput(this.moduleName);
                       this.recordSourceMappingEnd(moduleDecl.name);
                       this.writeLineToOutput(";");
                       this.recordSourceMappingEnd(moduleDecl);
                       this.emitIndent();
                   }
                   this.writeToOutput("(");
                   this.recordSourceMappingStart(moduleDecl);
                   this.writeToOutput("function (");
                   this.recordSourceMappingStart(moduleDecl.name);
                   this.writeToOutput(this.moduleName);
                   this.recordSourceMappingEnd(moduleDecl.name);
                   this.writeLineToOutput(") {");
               }
               if(!isWholeFile) {
                   this.recordSourceMappingNameStart(this.moduleName);
               }
               if(!isDynamicMod || TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                   this.indenter.increaseIndent();
               }
               if(moduleDecl.modFlags & TypeScript.ModuleFlags.MustCaptureThis) {
                   this.writeCaptureThisStatement(moduleDecl);
               }
               this.emitJavascriptList(moduleDecl.members, null, TypeScript.TokenID.Semicolon, true, false, false);
               if(!isDynamicMod || TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                   this.indenter.decreaseIndent();
               }
               this.emitIndent();
               if(isDynamicMod) {
                   if(TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                       this.writeLineToOutput("})");
                   } else {
                   }
                   if(!isWholeFile) {
                       this.recordSourceMappingNameEnd();
                   }
                   this.recordSourceMappingEnd(moduleDecl);
                   if(this.outfile != prevOutFile) {
                       this.Close();
                       if(prevSourceMapper != null) {
                           this.allSourceMappers = prevAllSourceMappers;
                           this.sourceMapper = prevSourceMapper;
                           this.emitState.column = prevColumn;
                           this.emitState.line = prevLine;
                       }
                       this.outfile = prevOutFile;
                       this.emittingFileName = prevOutFileName;
                   }
               } else {
                   var containingMod = null;
                   if(moduleDecl.type && moduleDecl.type.symbol.container && moduleDecl.type.symbol.container.declAST) {
                       containingMod = moduleDecl.type.symbol.container.declAST;
                   }
                   var parentIsDynamic = containingMod && TypeScript.hasFlag(containingMod.modFlags, TypeScript.ModuleFlags.IsDynamic);
                   this.recordSourceMappingStart(moduleDecl.endingToken);
                   if(temp == EmitContainer.Prog && isExported) {
                       this.writeToOutput("}");
                       if(!isWholeFile) {
                           this.recordSourceMappingNameEnd();
                       }
                       this.recordSourceMappingEnd(moduleDecl.endingToken);
                       this.writeLineToOutput(")(this." + this.moduleName + " || (this." + this.moduleName + " = {}));");
                   } else {
                       if(isExported || temp == EmitContainer.Prog) {
                           var dotMod = svModuleName != "" ? (parentIsDynamic ? "exports" : svModuleName) + "." : svModuleName;
                           this.writeToOutput("}");
                           if(!isWholeFile) {
                               this.recordSourceMappingNameEnd();
                           }
                           this.recordSourceMappingEnd(moduleDecl.endingToken);
                           this.writeLineToOutput(")(" + dotMod + this.moduleName + " || (" + dotMod + this.moduleName + " = {}));");
                       } else {
                           if(!isExported && temp != EmitContainer.Prog) {
                               this.writeToOutput("}");
                               if(!isWholeFile) {
                                   this.recordSourceMappingNameEnd();
                               }
                               this.recordSourceMappingEnd(moduleDecl.endingToken);
                               this.writeLineToOutput(")(" + this.moduleName + " || (" + this.moduleName + " = {}));");
                           } else {
                               this.writeToOutput("}");
                               if(!isWholeFile) {
                                   this.recordSourceMappingNameEnd();
                               }
                               this.recordSourceMappingEnd(moduleDecl.endingToken);
                               this.writeLineToOutput(")();");
                           }
                       }
                   }
                   this.recordSourceMappingEnd(moduleDecl);
                   if(temp != EmitContainer.Prog && isExported) {
                       this.emitIndent();
                       this.recordSourceMappingStart(moduleDecl);
                       if(parentIsDynamic) {
                           this.writeLineToOutput("var " + this.moduleName + " = exports." + this.moduleName + ";");
                       } else {
                           this.writeLineToOutput("var " + this.moduleName + " = " + svModuleName + "." + this.moduleName + ";");
                       }
                       this.recordSourceMappingEnd(moduleDecl);
                   }
               }
               this.setContainer(temp);
               this.moduleName = svModuleName;
               this.moduleDeclList.length--;
           }
       };
       Emitter.prototype.emitIndex = function (operand1, operand2) {
           var temp = this.setInObjectLiteral(false);
           this.emitJavascript(operand1, TypeScript.TokenID.Tilde, false);
           this.writeToOutput("[");
           this.emitJavascriptList(operand2, ", ", TypeScript.TokenID.Comma, false, false, false);
           this.writeToOutput("]");
           this.setInObjectLiteral(temp);
       };
       Emitter.prototype.emitStringLiteral = function (text) {
           this.writeToOutput(text);
       };
       Emitter.prototype.emitJavascriptFunction = function (funcDecl) {
           if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Signature) || funcDecl.isOverload) {
               return;
           }
           var temp;
           var tempFnc = this.thisFnc;
           this.thisFnc = funcDecl;
           if(funcDecl.isConstructor) {
               temp = this.setContainer(EmitContainer.Constructor);
           } else {
               temp = this.setContainer(EmitContainer.Function);
           }
           var bases = null;
           var hasSelfRef = false;
           var funcName = funcDecl.getNameText();
           if((this.emitState.inObjectLiteral || !funcDecl.isAccessor()) && ((temp != EmitContainer.Constructor) || ((funcDecl.fncFlags & TypeScript.FncFlags.Method) == TypeScript.FncFlags.None))) {
               var tempLit = this.setInObjectLiteral(false);
               if(this.thisClassNode) {
                   bases = this.thisClassNode.extendsList;
               }
               hasSelfRef = Emitter.shouldCaptureThis(funcDecl);
               this.recordSourceMappingStart(funcDecl);
               if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported) && funcDecl.type.symbol.container == this.checker.gloMod && !funcDecl.isConstructor) {
                   this.writeToOutput("this." + funcName + " = ");
                   this.emitInnerFunction(funcDecl, false, false, bases, hasSelfRef, this.thisClassNode);
               } else {
                   this.emitInnerFunction(funcDecl, (funcDecl.name && !funcDecl.name.isMissing()), false, bases, hasSelfRef, this.thisClassNode);
               }
               this.setInObjectLiteral(tempLit);
           }
           this.setContainer(temp);
           this.thisFnc = tempFnc;
           if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Definition)) {
               if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static)) {
                   if(this.thisClassNode) {
                       if(funcDecl.isAccessor()) {
                           this.emitPropertyAccessor(funcDecl, this.thisClassNode.name.actualText, false);
                       } else {
                           this.emitIndent();
                           this.recordSourceMappingStart(funcDecl);
                           this.writeLineToOutput(this.thisClassNode.name.actualText + "." + funcName + " = " + funcName + ";");
                           this.recordSourceMappingEnd(funcDecl);
                       }
                   }
               } else {
                   if((this.emitState.container == EmitContainer.Module || this.emitState.container == EmitContainer.DynamicModule) && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported)) {
                       this.emitIndent();
                       var modName = this.emitState.container == EmitContainer.Module ? this.moduleName : "exports";
                       this.recordSourceMappingStart(funcDecl);
                       this.writeLineToOutput(modName + "." + funcName + " = " + funcName + ";");
                       this.recordSourceMappingEnd(funcDecl);
                   }
               }
           }
       };
       Emitter.prototype.emitAmbientVarDecl = function (varDecl) {
           if(varDecl.init) {
               this.emitParensAndCommentsInPlace(varDecl, true);
               this.recordSourceMappingStart(varDecl);
               this.recordSourceMappingStart(varDecl.id);
               this.writeToOutput(varDecl.id.actualText);
               this.recordSourceMappingEnd(varDecl.id);
               this.writeToOutput(" = ");
               this.emitJavascript(varDecl.init, TypeScript.TokenID.Comma, false);
               this.recordSourceMappingEnd(varDecl);
               this.writeToOutput(";");
               this.emitParensAndCommentsInPlace(varDecl, false);
           }
       };
       Emitter.prototype.varListCount = function () {
           return this.varListCountStack[this.varListCountStack.length - 1];
       };
       Emitter.prototype.emitVarDeclVar = function () {
           if(this.varListCount() >= 0) {
               this.writeToOutput("var ");
               this.setInVarBlock(-this.varListCount());
           }
           return true;
       };
       Emitter.prototype.onEmitVar = function () {
           if(this.varListCount() > 0) {
               this.setInVarBlock(this.varListCount() - 1);
           } else {
               if(this.varListCount() < 0) {
                   this.setInVarBlock(this.varListCount() + 1);
               }
           }
       };
       Emitter.prototype.emitJavascriptVarDecl = function (varDecl, tokenId) {
           if((varDecl.varFlags & TypeScript.VarFlags.Ambient) == TypeScript.VarFlags.Ambient) {
               this.emitAmbientVarDecl(varDecl);
               this.onEmitVar();
           } else {
               var sym = varDecl.sym;
               var hasInitializer = (varDecl.init != null);
               this.emitParensAndCommentsInPlace(varDecl, true);
               this.recordSourceMappingStart(varDecl);
               if(sym && sym.isMember() && sym.container && (sym.container.kind() == TypeScript.SymbolKind.Type)) {
                   var type = (sym.container).type;
                   if(type.isClass() && (!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.ModuleMember))) {
                       if(this.emitState.container != EmitContainer.Args) {
                           if(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Static)) {
                               this.writeToOutput(sym.container.name + ".");
                           } else {
                               this.writeToOutput("this.");
                           }
                       }
                   } else {
                       if(type.hasImplementation()) {
                           if(!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported) && (sym.container == this.checker.gloMod || !TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Property))) {
                               this.emitVarDeclVar();
                           } else {
                               if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.LocalStatic)) {
                                   this.writeToOutput(".");
                               } else {
                                   if(this.emitState.container == EmitContainer.DynamicModule) {
                                       this.writeToOutput("exports.");
                                   } else {
                                       this.writeToOutput(this.moduleName + ".");
                                   }
                               }
                           }
                       } else {
                           if(tokenId != TypeScript.TokenID.OpenParen) {
                               if(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported) && sym.container == this.checker.gloMod) {
                                   this.writeToOutput("this.");
                               } else {
                                   this.emitVarDeclVar();
                               }
                           }
                       }
                   }
               } else {
                   if(tokenId != TypeScript.TokenID.OpenParen) {
                       this.emitVarDeclVar();
                   }
               }
               this.recordSourceMappingStart(varDecl.id);
               this.writeToOutput(varDecl.id.actualText);
               this.recordSourceMappingEnd(varDecl.id);
               if(hasInitializer) {
                   this.writeToOutputTrimmable(" = ");
                   this.varListCountStack.push(0);
                   this.emitJavascript(varDecl.init, TypeScript.TokenID.Comma, false);
                   this.varListCountStack.pop();
               }
               this.onEmitVar();
               if((tokenId != TypeScript.TokenID.OpenParen)) {
                   if(this.varListCount() < 0) {
                       this.writeToOutput(", ");
                   } else {
                       if(tokenId != TypeScript.TokenID.For) {
                           this.writeToOutputTrimmable(";");
                       }
                   }
               }
               this.recordSourceMappingEnd(varDecl);
               this.emitParensAndCommentsInPlace(varDecl, false);
           }
       };
       Emitter.prototype.declEnclosed = function (moduleDecl) {
           if(moduleDecl == null) {
               return true;
           }
           for(var i = 0, len = this.moduleDeclList.length; i < len; i++) {
               if(this.moduleDeclList[i] == moduleDecl) {
                   return true;
               }
           }
           return false;
       };
       Emitter.prototype.emitJavascriptName = function (name, addThis) {
           var sym = name.sym;
           this.emitParensAndCommentsInPlace(name, true);
           this.recordSourceMappingStart(name);
           if(!name.isMissing()) {
               if(addThis && (this.emitState.container != EmitContainer.Args) && sym) {
                   if(sym.container && (sym.container.name != TypeScript.globalId)) {
                       if(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Static) && (TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Property))) {
                           if(sym.declModule && TypeScript.hasFlag(sym.declModule.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                               this.writeToOutput("exports.");
                           } else {
                               this.writeToOutput(sym.container.name + ".");
                           }
                       } else {
                           if(sym.kind() == TypeScript.SymbolKind.Field) {
                               var fieldSym = sym;
                               if(TypeScript.hasFlag(fieldSym.flags, TypeScript.SymbolFlags.ModuleMember)) {
                                   if((sym.container != this.checker.gloMod) && ((TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Property)) || TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported))) {
                                       if(TypeScript.hasFlag(sym.declModule.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                                           this.writeToOutput("exports.");
                                       } else {
                                           this.writeToOutput(sym.container.name + ".");
                                       }
                                   }
                               } else {
                                   if(sym.isInstanceProperty()) {
                                       this.emitThis();
                                       this.writeToOutput(".");
                                   }
                               }
                           } else {
                               if(sym.kind() == TypeScript.SymbolKind.Type) {
                                   if(sym.isInstanceProperty()) {
                                       var typeSym = sym;
                                       var type = typeSym.type;
                                       if(type.call && !TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.ModuleMember)) {
                                           this.emitThis();
                                           this.writeToOutput(".");
                                       }
                                   } else {
                                       if((sym.unitIndex != this.checker.locationInfo.unitIndex) || (!this.declEnclosed(sym.declModule))) {
                                           this.writeToOutput(sym.container.name + ".");
                                       }
                                   }
                               }
                           }
                       }
                   } else {
                       if(sym.container == this.checker.gloMod && TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Exported) && !TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Ambient) && !((sym.isType() || sym.isMember()) && sym.declModule && TypeScript.hasFlag(sym.declModule.modFlags, TypeScript.ModuleFlags.Ambient)) && this.emitState.container == EmitContainer.Prog && sym.declAST.nodeType != TypeScript.NodeType.FuncDecl) {
                           this.writeToOutput("this.");
                       }
                   }
               }
               if(sym && sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.ModuleDeclaration && (TypeScript.hasFlag((sym.declAST).modFlags, TypeScript.ModuleFlags.IsDynamic))) {
                   var moduleDecl = sym.declAST;
                   if(TypeScript.moduleGenTarget == TypeScript.ModuleGenTarget.Asynchronous) {
                       this.writeLineToOutput("__" + this.modAliasId + "__;");
                   } else {
                       var modPath = name.actualText;
                       var isAmbient = moduleDecl.mod.symbol.declAST && TypeScript.hasFlag((moduleDecl.mod.symbol.declAST).modFlags, TypeScript.ModuleFlags.Ambient);
                       modPath = isAmbient ? modPath : this.firstModAlias ? this.firstModAlias : TypeScript.quoteBaseName(modPath);
                       modPath = isAmbient ? modPath : (!TypeScript.isRelative(TypeScript.stripQuotes(modPath)) ? TypeScript.quoteStr("./" + TypeScript.stripQuotes(modPath)) : modPath);
                       this.writeToOutput("require(" + modPath + ")");
                   }
               } else {
                   this.writeToOutput(name.actualText);
               }
           }
           this.recordSourceMappingEnd(name);
           this.emitParensAndCommentsInPlace(name, false);
       };
       Emitter.prototype.emitJavascriptStatements = function (stmts, emitEmptyBod) {
           if(stmts) {
               if(stmts.nodeType != TypeScript.NodeType.Block) {
                   var hasContents = (stmts && (stmts.nodeType != TypeScript.NodeType.List || ((stmts).members.length > 0)));
                   if(emitEmptyBod || hasContents) {
                       var hasOnlyBlockStatement = ((stmts.nodeType == TypeScript.NodeType.Block) || ((stmts.nodeType == TypeScript.NodeType.List) && ((stmts).members.length == 1) && ((stmts).members[0].nodeType == TypeScript.NodeType.Block)));
                       this.recordSourceMappingStart(stmts);
                       if(!hasOnlyBlockStatement) {
                           this.writeLineToOutput(" {");
                           this.indenter.increaseIndent();
                       }
                       this.emitJavascriptList(stmts, null, TypeScript.TokenID.Semicolon, true, false, false);
                       if(!hasOnlyBlockStatement) {
                           this.writeLineToOutput("");
                           this.indenter.decreaseIndent();
                           this.emitIndent();
                           this.writeToOutput("}");
                       }
                       this.recordSourceMappingEnd(stmts);
                   }
               } else {
                   this.emitJavascript(stmts, TypeScript.TokenID.Semicolon, true);
               }
           } else {
               if(emitEmptyBod) {
                   this.writeToOutput("{ }");
               }
           }
       };
       Emitter.prototype.emitBareJavascriptStatements = function (stmts, emitClassPropertiesAfterSuperCall) {
           if (typeof emitClassPropertiesAfterSuperCall === "undefined") { emitClassPropertiesAfterSuperCall = false; }
           if(stmts.nodeType != TypeScript.NodeType.Block) {
               if(stmts.nodeType == TypeScript.NodeType.List) {
                   var stmtList = stmts;
                   if((stmtList.members.length == 2) && (stmtList.members[0].nodeType == TypeScript.NodeType.Block) && (stmtList.members[1].nodeType == TypeScript.NodeType.EndCode)) {
                       this.emitJavascript(stmtList.members[0], TypeScript.TokenID.Semicolon, true);
                       this.writeLineToOutput("");
                   } else {
                       this.emitJavascriptList(stmts, null, TypeScript.TokenID.Semicolon, true, false, emitClassPropertiesAfterSuperCall);
                   }
               } else {
                   this.emitJavascript(stmts, TypeScript.TokenID.Semicolon, true);
               }
           } else {
               this.emitJavascript(stmts, TypeScript.TokenID.Semicolon, true);
           }
       };
       Emitter.prototype.recordSourceMappingNameStart = function (name) {
           if(this.sourceMapper) {
               var finalName = name;
               if(!name) {
                   finalName = "";
               } else {
                   if(this.sourceMapper.currentNameIndex.length > 0) {
                       finalName = this.sourceMapper.names[this.sourceMapper.currentNameIndex.length - 1] + "." + name;
                   }
               }
               this.sourceMapper.names.push(finalName);
               this.sourceMapper.currentNameIndex.push(this.sourceMapper.names.length - 1);
           }
       };
       Emitter.prototype.recordSourceMappingNameEnd = function () {
           if(this.sourceMapper) {
               this.sourceMapper.currentNameIndex.pop();
           }
       };
       Emitter.prototype.recordSourceMappingStart = function (ast) {
           if(this.sourceMapper && TypeScript.isValidAstNode(ast)) {
               var lineCol = {
                   line: -1,
                   col: -1
               };
               var sourceMapping = new TypeScript.SourceMapping();
               sourceMapping.start.emittedColumn = this.emitState.column;
               sourceMapping.start.emittedLine = this.emitState.line;
               TypeScript.getSourceLineColFromMap(lineCol, ast.minChar, this.checker.locationInfo.lineMap);
               sourceMapping.start.sourceColumn = lineCol.col;
               sourceMapping.start.sourceLine = lineCol.line;
               TypeScript.getSourceLineColFromMap(lineCol, ast.limChar, this.checker.locationInfo.lineMap);
               sourceMapping.end.sourceColumn = lineCol.col;
               sourceMapping.end.sourceLine = lineCol.line;
               if(this.sourceMapper.currentNameIndex.length > 0) {
                   sourceMapping.nameIndex = this.sourceMapper.currentNameIndex[this.sourceMapper.currentNameIndex.length - 1];
               }
               var siblings = this.sourceMapper.currentMappings[this.sourceMapper.currentMappings.length - 1];
               siblings.push(sourceMapping);
               this.sourceMapper.currentMappings.push(sourceMapping.childMappings);
           }
       };
       Emitter.prototype.recordSourceMappingEnd = function (ast) {
           if(this.sourceMapper && TypeScript.isValidAstNode(ast)) {
               this.sourceMapper.currentMappings.pop();
               var siblings = this.sourceMapper.currentMappings[this.sourceMapper.currentMappings.length - 1];
               var sourceMapping = siblings[siblings.length - 1];
               sourceMapping.end.emittedColumn = this.emitState.column;
               sourceMapping.end.emittedLine = this.emitState.line;
           }
       };
       Emitter.prototype.Close = function () {
           if(this.sourceMapper != null) {
               TypeScript.SourceMapper.EmitSourceMapping(this.allSourceMappers);
           }
           try  {
               this.outfile.Close();
           } catch (ex) {
               this.errorReporter.emitterError(null, ex.message);
           }
       };
       Emitter.prototype.emitJavascriptList = function (ast, delimiter, tokenId, startLine, onlyStatics, emitClassPropertiesAfterSuperCall, emitPrologue, requiresExtendsBlock) {
           if (typeof emitClassPropertiesAfterSuperCall === "undefined") { emitClassPropertiesAfterSuperCall = false; }
           if (typeof emitPrologue === "undefined") { emitPrologue = false; }
           if(ast == null) {
               return;
           } else {
               if(ast.nodeType != TypeScript.NodeType.List) {
                   this.emitPrologue(emitPrologue);
                   this.emitJavascript(ast, tokenId, startLine);
               } else {
                   var list = ast;
                   if(list.members.length == 0) {
                       return;
                   }
                   this.emitParensAndCommentsInPlace(ast, true);
                   var len = list.members.length;
                   for(var i = 0; i < len; i++) {
                       if(emitPrologue) {
                           if(i == 1 || !TypeScript.hasFlag(list.flags, TypeScript.ASTFlags.StrictMode)) {
                               this.emitPrologue(requiresExtendsBlock);
                               emitPrologue = false;
                           }
                       }
                       if(i == 1 && emitClassPropertiesAfterSuperCall) {
                           var constructorDecl = (this.thisClassNode).constructorDecl;
                           if(constructorDecl && constructorDecl.arguments) {
                               var argsLen = constructorDecl.arguments.members.length;
                               for(var iArg = 0; iArg < argsLen; iArg++) {
                                   var arg = constructorDecl.arguments.members[iArg];
                                   if((arg.varFlags & TypeScript.VarFlags.Property) != TypeScript.VarFlags.None) {
                                       this.emitIndent();
                                       this.recordSourceMappingStart(arg);
                                       this.recordSourceMappingStart(arg.id);
                                       this.writeToOutput("this." + arg.id.actualText);
                                       this.recordSourceMappingEnd(arg.id);
                                       this.writeToOutput(" = ");
                                       this.recordSourceMappingStart(arg.id);
                                       this.writeToOutput(arg.id.actualText);
                                       this.recordSourceMappingEnd(arg.id);
                                       this.writeLineToOutput(";");
                                       this.recordSourceMappingEnd(arg);
                                   }
                               }
                           }
                           var nProps = (this.thisClassNode.members).members.length;
                           for(var iMember = 0; iMember < nProps; iMember++) {
                               if((this.thisClassNode.members).members[iMember].nodeType == TypeScript.NodeType.VarDecl) {
                                   var varDecl = (this.thisClassNode.members).members[iMember];
                                   if(!TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static) && varDecl.init) {
                                       this.emitIndent();
                                       this.emitJavascriptVarDecl(varDecl, TypeScript.TokenID.Tilde);
                                       this.writeLineToOutput("");
                                   }
                               }
                           }
                       }
                       var emitNode = list.members[i];
                       var isStaticDecl = (emitNode.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((emitNode).fncFlags, TypeScript.FncFlags.Static)) || (emitNode.nodeType == TypeScript.NodeType.VarDecl && TypeScript.hasFlag((emitNode).varFlags, TypeScript.VarFlags.Static));
                       if(onlyStatics ? !isStaticDecl : isStaticDecl) {
                           continue;
                       }
                       this.emitJavascript(emitNode, tokenId, startLine);
                       if(delimiter && (i < (len - 1))) {
                           if(startLine) {
                               this.writeLineToOutput(delimiter);
                           } else {
                               this.writeToOutput(delimiter);
                           }
                       } else {
                           if(startLine && (emitNode.nodeType != TypeScript.NodeType.ModuleDeclaration) && (emitNode.nodeType != TypeScript.NodeType.InterfaceDeclaration) && (!((emitNode.nodeType == TypeScript.NodeType.VarDecl) && ((((emitNode).varFlags) & TypeScript.VarFlags.Ambient) == TypeScript.VarFlags.Ambient) && (((emitNode).init) == null)) && this.varListCount() >= 0) && (emitNode.nodeType != TypeScript.NodeType.Block || (emitNode).isStatementBlock) && (emitNode.nodeType != TypeScript.NodeType.EndCode) && (emitNode.nodeType != TypeScript.NodeType.FuncDecl)) {
                               this.writeLineToOutput("");
                           }
                       }
                   }
                   this.emitParensAndCommentsInPlace(ast, false);
               }
           }
       };
       Emitter.prototype.emitJavascript = function (ast, tokenId, startLine) {
           if(ast == null) {
               return;
           }
           if(startLine && (this.indenter.indentAmt > 0) && (ast.nodeType != TypeScript.NodeType.List) && (ast.nodeType != TypeScript.NodeType.Block)) {
               if((ast.nodeType != TypeScript.NodeType.InterfaceDeclaration) && (!((ast.nodeType == TypeScript.NodeType.VarDecl) && ((((ast).varFlags) & TypeScript.VarFlags.Ambient) == TypeScript.VarFlags.Ambient) && (((ast).init) == null)) && this.varListCount() >= 0) && (ast.nodeType != TypeScript.NodeType.EndCode) && ((ast.nodeType != TypeScript.NodeType.FuncDecl) || (this.emitState.container != EmitContainer.Constructor))) {
                   this.emitIndent();
               }
           }
           ast.emit(this, tokenId, startLine);
           if((tokenId == TypeScript.TokenID.Semicolon) && (ast.nodeType < TypeScript.NodeType.GeneralNode)) {
               this.writeToOutput(";");
           }
       };
       Emitter.prototype.emitPropertyAccessor = function (funcDecl, className, isProto) {
           if(!(funcDecl.accessorSymbol).hasBeenEmitted) {
               var accessorSymbol = funcDecl.accessorSymbol;
               this.emitIndent();
               this.recordSourceMappingStart(funcDecl);
               this.writeLineToOutput("Object.defineProperty(" + className + (isProto ? ".prototype, \"" : ", \"") + funcDecl.name.actualText + "\"" + ", {");
               this.indenter.increaseIndent();
               if(accessorSymbol.getter) {
                   var getter = accessorSymbol.getter.declAST;
                   this.emitIndent();
                   this.recordSourceMappingStart(getter);
                   this.writeToOutput("get: ");
                   this.emitInnerFunction(getter, false, isProto, null, Emitter.shouldCaptureThis(getter), null);
                   this.writeLineToOutput(",");
               }
               if(accessorSymbol.setter) {
                   var setter = accessorSymbol.setter.declAST;
                   this.emitIndent();
                   this.recordSourceMappingStart(setter);
                   this.writeToOutput("set: ");
                   this.emitInnerFunction(setter, false, isProto, null, Emitter.shouldCaptureThis(setter), null);
                   this.writeLineToOutput(",");
               }
               this.emitIndent();
               this.writeLineToOutput("enumerable: true,");
               this.emitIndent();
               this.writeLineToOutput("configurable: true");
               this.indenter.decreaseIndent();
               this.emitIndent();
               this.writeLineToOutput("});");
               this.recordSourceMappingEnd(funcDecl);
               accessorSymbol.hasBeenEmitted = true;
           }
       };
       Emitter.prototype.emitPrototypeMember = function (member, className) {
           if(member.nodeType == TypeScript.NodeType.FuncDecl) {
               var funcDecl = member;
               if(funcDecl.isAccessor()) {
                   this.emitPropertyAccessor(funcDecl, className, true);
               } else {
                   this.emitIndent();
                   this.recordSourceMappingStart(funcDecl);
                   this.writeToOutput(className + ".prototype." + funcDecl.getNameText() + " = ");
                   this.emitInnerFunction(funcDecl, false, true, null, Emitter.shouldCaptureThis(funcDecl), null);
                   this.writeLineToOutput(";");
               }
           } else {
               if(member.nodeType == TypeScript.NodeType.VarDecl) {
                   var varDecl = member;
                   if(varDecl.init) {
                       this.emitIndent();
                       this.recordSourceMappingStart(varDecl);
                       this.recordSourceMappingStart(varDecl.id);
                       this.writeToOutput(className + ".prototype." + varDecl.id.actualText);
                       this.recordSourceMappingEnd(varDecl.id);
                       this.writeToOutput(" = ");
                       this.emitJavascript(varDecl.init, TypeScript.TokenID.Equals, false);
                       this.recordSourceMappingEnd(varDecl);
                       this.writeLineToOutput(";");
                   }
               }
           }
       };
       Emitter.prototype.emitAddBaseMethods = function (className, base, classDecl) {
           if(base.members) {
               var baseSymbol = base.symbol;
               var baseName = baseSymbol.name;
               if(baseSymbol.declModule != classDecl.type.symbol.declModule) {
                   baseName = baseSymbol.fullName();
               }
               base.members.allMembers.map(function (key, s, c) {
                   var sym = s;
                   if((sym.kind() == TypeScript.SymbolKind.Type) && (sym).type.call) {
                       this.recordSourceMappingStart(sym.declAST);
                       this.writeLineToOutput(className + ".prototype." + sym.name + " = " + baseName + ".prototype." + sym.name + ";");
                       this.recordSourceMappingEnd(sym.declAST);
                   }
               }, null);
           }
           if(base.extendsList) {
               for(var i = 0, len = base.extendsList.length; i < len; i++) {
                   this.emitAddBaseMethods(className, base.extendsList[i], classDecl);
               }
           }
       };
       Emitter.prototype.emitJavascriptClass = function (classDecl) {
           if(!TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Ambient)) {
               var svClassNode = this.thisClassNode;
               var i = 0;
               this.thisClassNode = classDecl;
               var className = classDecl.name.actualText;
               this.emitParensAndCommentsInPlace(classDecl, true);
               var temp = this.setContainer(EmitContainer.Class);
               this.recordSourceMappingStart(classDecl);
               if(TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Exported) && classDecl.type.symbol.container == this.checker.gloMod) {
                   this.writeToOutput("this." + className);
               } else {
                   this.writeToOutput("var " + className);
               }
               var hasBaseClass = classDecl.extendsList && classDecl.extendsList.members.length;
               var baseNameDecl = null;
               var baseName = null;
               if(hasBaseClass) {
                   this.writeLineToOutput(" = (function (_super) {");
               } else {
                   this.writeLineToOutput(" = (function () {");
               }
               this.recordSourceMappingNameStart(className);
               this.indenter.increaseIndent();
               if(hasBaseClass) {
                   baseNameDecl = classDecl.extendsList.members[0];
                   baseName = baseNameDecl.nodeType == TypeScript.NodeType.Call ? (baseNameDecl).target : baseNameDecl;
                   this.emitIndent();
                   this.writeLineToOutput("__extends(" + className + ", _super);");
               }
               this.emitIndent();
               var constrDecl = classDecl.constructorDecl;
               if(constrDecl) {
                   this.emitJavascript(classDecl.constructorDecl, TypeScript.TokenID.OpenParen, false);
               } else {
                   var wroteProps = 0;
                   this.recordSourceMappingStart(classDecl);
                   this.indenter.increaseIndent();
                   this.writeToOutput("function " + classDecl.name.actualText + "() {");
                   this.recordSourceMappingNameStart("constructor");
                   if(hasBaseClass) {
                       this.writeLineToOutput("");
                       this.emitIndent();
                       this.writeLineToOutput("_super.apply(this, arguments);");
                       wroteProps++;
                   }
                   if(classDecl.varFlags & TypeScript.VarFlags.MustCaptureThis) {
                       this.writeCaptureThisStatement(classDecl);
                   }
                   var members = (this.thisClassNode.members).members;
                   for(var i = 0; i < members.length; i++) {
                       if(members[i].nodeType == TypeScript.NodeType.VarDecl) {
                           var varDecl = members[i];
                           if(!TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static) && varDecl.init) {
                               this.writeLineToOutput("");
                               this.emitIndent();
                               this.emitJavascriptVarDecl(varDecl, TypeScript.TokenID.Tilde);
                               wroteProps++;
                           }
                       }
                   }
                   if(wroteProps) {
                       this.writeLineToOutput("");
                       this.indenter.decreaseIndent();
                       this.emitIndent();
                       this.writeLineToOutput("}");
                   } else {
                       this.writeLineToOutput(" }");
                       this.indenter.decreaseIndent();
                   }
                   this.recordSourceMappingNameEnd();
                   this.recordSourceMappingEnd(classDecl);
               }
               var membersLen = classDecl.members.members.length;
               for(var j = 0; j < membersLen; j++) {
                   var memberDecl = classDecl.members.members[j];
                   if(memberDecl.nodeType == TypeScript.NodeType.FuncDecl) {
                       var fn = memberDecl;
                       if(TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Method) && !fn.isSignature()) {
                           if(!TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Static)) {
                               this.emitPrototypeMember(fn, className);
                           } else {
                               if(fn.isAccessor()) {
                                   this.emitPropertyAccessor(fn, this.thisClassNode.name.actualText, false);
                               } else {
                                   this.emitIndent();
                                   this.recordSourceMappingStart(fn);
                                   this.writeToOutput(classDecl.name.actualText + "." + fn.name.actualText + " = ");
                                   this.emitInnerFunction(fn, (fn.name && !fn.name.isMissing()), true, null, Emitter.shouldCaptureThis(fn), null);
                                   this.writeLineToOutput(";");
                               }
                           }
                       }
                   } else {
                       if(memberDecl.nodeType == TypeScript.NodeType.VarDecl) {
                           var varDecl = memberDecl;
                           if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static)) {
                               if(varDecl.init) {
                                   this.emitIndent();
                                   this.recordSourceMappingStart(varDecl);
                                   this.writeToOutput(classDecl.name.actualText + "." + varDecl.id.actualText + " = ");
                                   this.emitJavascript(varDecl.init, TypeScript.TokenID.Equals, false);
                                   this.writeLineToOutput(";");
                                   this.recordSourceMappingEnd(varDecl);
                               }
                           }
                       } else {
                           throw Error("We want to catch this");
                       }
                   }
               }
               this.emitIndent();
               this.recordSourceMappingStart(classDecl.endingToken);
               this.writeLineToOutput("return " + className + ";");
               this.recordSourceMappingEnd(classDecl.endingToken);
               this.indenter.decreaseIndent();
               this.emitIndent();
               this.recordSourceMappingStart(classDecl.endingToken);
               this.writeToOutput("}");
               this.recordSourceMappingNameEnd();
               this.recordSourceMappingEnd(classDecl.endingToken);
               this.recordSourceMappingStart(classDecl);
               this.writeToOutput(")(");
               if(hasBaseClass) {
                   this.emitJavascript(baseName, TypeScript.TokenID.Tilde, false);
               }
               this.writeToOutput(");");
               this.recordSourceMappingEnd(classDecl);
               if((temp == EmitContainer.Module || temp == EmitContainer.DynamicModule) && TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Exported)) {
                   this.writeLineToOutput("");
                   this.emitIndent();
                   var modName = temp == EmitContainer.Module ? this.moduleName : "exports";
                   this.recordSourceMappingStart(classDecl);
                   this.writeToOutput(modName + "." + className + " = " + className + ";");
                   this.recordSourceMappingEnd(classDecl);
               }
               this.emitIndent();
               this.recordSourceMappingEnd(classDecl);
               this.emitParensAndCommentsInPlace(classDecl, false);
               this.setContainer(temp);
               this.thisClassNode = svClassNode;
           }
       };
       Emitter.prototype.emitPrologue = function (reqInherits) {
           if(!this.prologueEmitted) {
               if(reqInherits) {
                   this.prologueEmitted = true;
                   this.writeLineToOutput("var __extends = this.__extends || function (d, b) {");
                   this.writeLineToOutput("    function __() { this.constructor = d; }");
                   this.writeLineToOutput("    __.prototype = b.prototype;");
                   this.writeLineToOutput("    d.prototype = new __();");
                   this.writeLineToOutput("};");
               }
               if(this.checker.mustCaptureGlobalThis) {
                   this.prologueEmitted = true;
                   this.writeLineToOutput(this.captureThisStmtString);
               }
           }
       };
       Emitter.prototype.emitSuperReference = function () {
           this.writeToOutput("_super.prototype");
       };
       Emitter.prototype.emitSuperCall = function (callEx) {
           if(callEx.target.nodeType == TypeScript.NodeType.Dot) {
               var dotNode = callEx.target;
               if(dotNode.operand1.nodeType == TypeScript.NodeType.Super) {
                   this.emitJavascript(dotNode, TypeScript.TokenID.OpenParen, false);
                   this.writeToOutput(".call(");
                   this.emitThis();
                   if(callEx.arguments && callEx.arguments.members.length > 0) {
                       this.writeToOutput(", ");
                       this.emitJavascriptList(callEx.arguments, ", ", TypeScript.TokenID.Comma, false, false, false);
                   }
                   this.writeToOutput(")");
                   return true;
               }
           }
           return false;
       };
       Emitter.prototype.emitThis = function () {
           if(this.thisFnc && !this.thisFnc.isMethod() && (!this.thisFnc.isConstructor)) {
               this.writeToOutput("_this");
           } else {
               this.writeToOutput("this");
           }
       };
       Emitter.shouldCaptureThis = function shouldCaptureThis(func) {
           return func.hasSelfReference() || func.hasSuperReferenceInFatArrowFunction();
       }
       Emitter.prototype.createFile = function (fileName, useUTF8) {
           try  {
               return this.emitOptions.ioHost.createFile(fileName, useUTF8);
           } catch (ex) {
               this.errorReporter.emitterError(null, ex.message);
           }
       };
       return Emitter;
   })();
   TypeScript.Emitter = Emitter;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var ErrorReporter = (function () {
       function ErrorReporter(outfile) {
           this.outfile = outfile;
           this.parser = null;
           this.checker = null;
           this.lineCol = {
               line: 0,
               col: 0
           };
           this.emitAsComments = true;
           this.hasErrors = false;
           this.pushToErrorSink = false;
           this.errorSink = [];
       }
       ErrorReporter.prototype.getCapturedErrors = function () {
           return this.errorSink;
       };
       ErrorReporter.prototype.freeCapturedErrors = function () {
           this.errorSink = [];
       };
       ErrorReporter.prototype.captureError = function (emsg) {
           this.errorSink[this.errorSink.length] = emsg;
       };
       ErrorReporter.prototype.setErrOut = function (outerr) {
           this.outfile = outerr;
           this.emitAsComments = false;
       };
       ErrorReporter.prototype.emitPrefix = function () {
           if(this.emitAsComments) {
               this.outfile.Write("// ");
           }
           this.outfile.Write(this.checker.locationInfo.filename + "(" + this.lineCol.line + "," + this.lineCol.col + "): ");
       };
       ErrorReporter.prototype.writePrefix = function (ast) {
           if(ast) {
               this.setError(ast);
           } else {
               this.lineCol.line = 0;
               this.lineCol.col = 0;
           }
           this.emitPrefix();
       };
       ErrorReporter.prototype.writePrefixFromSym = function (symbol) {
           if(symbol && this.checker.locationInfo.lineMap) {
               TypeScript.getSourceLineColFromMap(this.lineCol, symbol.location, this.checker.locationInfo.lineMap);
           } else {
               this.lineCol.line = -1;
               this.lineCol.col = -1;
           }
           this.emitPrefix();
       };
       ErrorReporter.prototype.setError = function (ast) {
           if(ast) {
               ast.flags |= TypeScript.ASTFlags.Error;
               if(this.checker.locationInfo.lineMap) {
                   TypeScript.getSourceLineColFromMap(this.lineCol, ast.minChar, this.checker.locationInfo.lineMap);
               }
           }
       };
       ErrorReporter.prototype.reportError = function (ast, message) {
           if(this.pushToErrorSink) {
               this.captureError(message);
               return;
           }
           this.hasErrors = true;
           if(ast && this.parser.errorRecovery && this.parser.errorCallback) {
               var len = (ast.limChar - ast.minChar);
               this.parser.errorCallback(ast.minChar, len, message, this.checker.locationInfo.unitIndex);
           } else {
               this.writePrefix(ast);
               this.outfile.WriteLine(message);
           }
       };
       ErrorReporter.prototype.reportErrorFromSym = function (symbol, message) {
           if(this.pushToErrorSink) {
               this.captureError(message);
               return;
           }
           this.hasErrors = true;
           if(this.parser.errorRecovery && this.parser.errorCallback) {
               this.parser.errorCallback(symbol.location, symbol.length, message, this.checker.locationInfo.unitIndex);
           } else {
               this.writePrefixFromSym(symbol);
               this.outfile.WriteLine(message);
           }
       };
       ErrorReporter.prototype.emitterError = function (ast, message) {
           this.reportError(ast, message);
           throw Error("EmitError");
       };
       ErrorReporter.prototype.duplicateIdentifier = function (ast, name) {
           this.reportError(ast, "Duplicate identifier '" + name + "'");
       };
       ErrorReporter.prototype.showRef = function (ast, text, symbol) {
           var defLineCol = {
               line: -1,
               col: -1
           };
           this.parser.getSourceLineCol(defLineCol, symbol.location);
           this.reportError(ast, "symbol " + text + " defined at (" + defLineCol.line + "," + defLineCol.col + ")");
       };
       ErrorReporter.prototype.unresolvedSymbol = function (ast, name) {
           this.reportError(ast, "The name '" + name + "' does not exist in the current scope");
       };
       ErrorReporter.prototype.symbolDoesNotReferToAValue = function (ast, name) {
           this.reportError(ast, "The name '" + name + "' does not refer to a value");
       };
       ErrorReporter.prototype.styleError = function (ast, msg) {
           var bkThrow = this.pushToErrorSink;
           this.pushToErrorSink = false;
           this.reportError(ast, "STYLE: " + msg);
           this.pushToErrorSink = bkThrow;
       };
       ErrorReporter.prototype.simpleError = function (ast, msg) {
           this.reportError(ast, msg);
       };
       ErrorReporter.prototype.simpleErrorFromSym = function (sym, msg) {
           this.reportErrorFromSym(sym, msg);
       };
       ErrorReporter.prototype.invalidSuperReference = function (ast) {
           this.simpleError(ast, "Keyword 'super' can only be used inside a class instance method");
       };
       ErrorReporter.prototype.valueCannotBeModified = function (ast) {
           this.simpleError(ast, "The left-hand side of an assignment expression must be a variable, property or indexer");
       };
       ErrorReporter.prototype.invalidCall = function (ast, nodeType, scope) {
           var targetType = ast.target.type;
           var typeName = targetType.getScopedTypeName(scope);
           if(targetType.construct && (nodeType == TypeScript.NodeType.Call)) {
               this.reportError(ast, "Value of type '" + typeName + "' is not callable.  Did you mean to include 'new'?");
           } else {
               var catString = (nodeType == TypeScript.NodeType.Call) ? "callable" : "newable";
               this.reportError(ast, "Value of type '" + typeName + "' is not " + catString);
           }
       };
       ErrorReporter.prototype.indexLHS = function (ast, scope) {
           var targetType = ast.operand1.type.getScopedTypeName(scope);
           var indexType = ast.operand2.type.getScopedTypeName(scope);
           this.simpleError(ast, "Value of type '" + targetType + "' is not indexable by type '" + indexType + "'");
       };
       ErrorReporter.prototype.incompatibleTypes = function (ast, t1, t2, op, scope, comparisonInfo) {
           if(!t1) {
               t1 = this.checker.anyType;
           }
           if(!t2) {
               t2 = this.checker.anyType;
           }
           var reason = comparisonInfo ? comparisonInfo.message : "";
           if(op) {
               this.reportError(ast, "Operator '" + op + "' cannot be applied to types '" + t1.getScopedTypeName(scope) + "' and '" + t2.getScopedTypeName(scope) + "'" + (reason ? ": " + reason : ""));
           } else {
               this.reportError(ast, "Cannot convert '" + t1.getScopedTypeName(scope) + "' to '" + t2.getScopedTypeName(scope) + "'" + (reason ? ": " + reason : ""));
           }
       };
       ErrorReporter.prototype.expectedClassOrInterface = function (ast) {
           this.simpleError(ast, "Expected var, class, interface, or module");
       };
       ErrorReporter.prototype.unaryOperatorTypeError = function (ast, op, type) {
           this.reportError(ast, "Operator '" + op + "' cannot be applied to type '" + type.getTypeName() + "'");
       };
       return ErrorReporter;
   })();
   TypeScript.ErrorReporter = ErrorReporter;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (TypeContext) {
       TypeContext._map = [];
       TypeContext.NoTypes = 0;
       TypeContext.ArraySuffix = 1;
       TypeContext.Primitive = 2;
       TypeContext.Named = 4;
       TypeContext.AllSimpleTypes = TypeContext.Primitive | TypeContext.Named;
       TypeContext.AllTypes = TypeContext.Primitive | TypeContext.Named | TypeContext.ArraySuffix;
   })(TypeScript.TypeContext || (TypeScript.TypeContext = {}));
   var TypeContext = TypeScript.TypeContext;
   (function (ParseState) {
       ParseState._map = [];
       ParseState._map[0] = "None";
       ParseState.None = 0;
       ParseState._map[1] = "StartScript";
       ParseState.StartScript = 1;
       ParseState._map[2] = "StartStatementList";
       ParseState.StartStatementList = 2;
       ParseState._map[3] = "StartStatement";
       ParseState.StartStatement = 3;
       ParseState._map[4] = "StartFncDecl";
       ParseState.StartFncDecl = 4;
       ParseState._map[5] = "FncDeclName";
       ParseState.FncDeclName = 5;
       ParseState._map[6] = "FncDeclArgs";
       ParseState.FncDeclArgs = 6;
       ParseState._map[7] = "FncDeclReturnType";
       ParseState.FncDeclReturnType = 7;
       ParseState._map[8] = "ForInit";
       ParseState.ForInit = 8;
       ParseState._map[9] = "ForInitAfterVar";
       ParseState.ForInitAfterVar = 9;
       ParseState._map[10] = "ForCondStart";
       ParseState.ForCondStart = 10;
       ParseState._map[11] = "EndStmtList";
       ParseState.EndStmtList = 11;
       ParseState._map[12] = "EndScript";
       ParseState.EndScript = 12;
   })(TypeScript.ParseState || (TypeScript.ParseState = {}));
   var ParseState = TypeScript.ParseState;
   var QuickParseResult = (function () {
       function QuickParseResult(Script, endLexState) {
           this.Script = Script;
           this.endLexState = endLexState;
       }
       return QuickParseResult;
   })();
   TypeScript.QuickParseResult = QuickParseResult;    
   var Parser = (function () {
       function Parser() {
           this.varLists = [];
           this.scopeLists = [];
           this.staticsLists = [];
           this.scanner = new TypeScript.Scanner();
           this.currentToken = null;
           this.needTerminator = false;
           this.inFunction = false;
           this.inInterfaceDecl = false;
           this.currentClassDecl = null;
           this.inFncDecl = false;
           this.anonId = new TypeScript.Identifier("_anonymous");
           this.style_requireSemi = false;
           this.style_funcInLoop = true;
           this.incremental = false;
           this.errorRecovery = false;
           this.outfile = undefined;
           this.errorCallback = null;
           this.state = ParseState.StartStatementList;
           this.ambientModule = false;
           this.ambientClass = false;
           this.topLevel = true;
           this.allowImportDeclaration = true;
           this.currentUnitIndex = (-1);
           this.prevIDTok = null;
           this.statementInfoStack = new Array();
           this.hasTopLevelImportOrExport = false;
           this.strictMode = false;
           this.nestingLevel = 0;
           this.prevExpr = null;
           this.currentClassDefinition = null;
           this.parsingClassConstructorDefinition = false;
           this.parsingDeclareFile = false;
           this.amdDependencies = [];
           this.inferPropertiesFromThisAssignment = false;
           this.requiresExtendsBlock = false;
           this.fname = "";
       }
       Parser.prototype.resetStmtStack = function () {
           this.statementInfoStack = new Array();
       };
       Parser.prototype.inLoop = function () {
           for(var j = this.statementInfoStack.length - 1; j >= 0; j--) {
               if(this.statementInfoStack[j].stmt.isLoop()) {
                   return true;
               }
           }
           return false;
       };
       Parser.prototype.pushStmt = function (stmt, labels) {
           var info = {
               stmt: stmt,
               labels: labels
           };
           this.statementInfoStack.push(info);
       };
       Parser.prototype.popStmt = function () {
           return this.statementInfoStack.pop();
       };
       Parser.prototype.resolveJumpTarget = function (jump) {
           var resolvedTarget = TypeScript.AST.getResolvedIdentifierName(jump.target);
           var len = this.statementInfoStack.length;
           for(var i = len - 1; i >= 0; i--) {
               var info = this.statementInfoStack[i];
               if(jump.target) {
                   if(info.labels && (info.labels.members.length > 0)) {
                       for(var j = 0, labLen = info.labels.members.length; j < labLen; j++) {
                           var label = info.labels.members[j];
                           if(label.id.text == resolvedTarget) {
                               jump.setResolvedTarget(this, info.stmt);
                               return;
                           }
                       }
                   }
               } else {
                   if(info.stmt.isLoop()) {
                       jump.setResolvedTarget(this, info.stmt);
                       return;
                   } else {
                       if((info.stmt.nodeType == TypeScript.NodeType.Switch) && (jump.nodeType == TypeScript.NodeType.Break)) {
                           jump.setResolvedTarget(this, info.stmt);
                           return;
                       }
                   }
               }
           }
           if(jump.target) {
               this.reportParseError("could not find enclosing statement with label " + jump.target);
           } else {
               if(jump.nodeType == TypeScript.NodeType.Break) {
                   this.reportParseError("break statement requires enclosing loop or switch");
               } else {
                   this.reportParseError("continue statement requires enclosing loop");
               }
           }
       };
       Parser.prototype.setErrorRecovery = function (outfile) {
           this.outfile = outfile;
           this.errorRecovery = true;
       };
       Parser.prototype.getSourceLineCol = function (lineCol, minChar) {
           TypeScript.getSourceLineColFromMap(lineCol, minChar, this.scanner.lineMap);
       };
       Parser.prototype.createRef = function (text, hasEscapeSequence, minChar) {
           var id = new TypeScript.Identifier(text, hasEscapeSequence);
           id.minChar = minChar;
           return id;
       };
       Parser.prototype.reportParseStyleError = function (message) {
           this.reportParseError("STYLE: " + message);
       };
       Parser.prototype.reportParseError = function (message, startPos, pos) {
           if (typeof startPos === "undefined") { startPos = this.scanner.startPos; }
           if (typeof pos === "undefined") { pos = this.scanner.pos; }
           var len = Math.max(1, pos - startPos);
           if(this.errorCallback) {
               this.errorCallback(startPos, len, message, this.currentUnitIndex);
           } else {
               if(this.errorRecovery) {
                   var lineCol = {
                       line: -1,
                       col: -1
                   };
                   this.getSourceLineCol(lineCol, startPos);
                   if(this.outfile) {
                       this.outfile.WriteLine("// " + this.fname + " (" + lineCol.line + "," + lineCol.col + "): " + message);
                   }
               } else {
                   throw new SyntaxError(this.fname + " (" + this.scanner.line + "," + this.scanner.col + "): " + message);
               }
           }
       };
       Parser.prototype.checkNextToken = function (tokenId, errorRecoverySet, errorText) {
           if (typeof errorText === "undefined") { errorText = null; }
           this.currentToken = this.scanner.scan();
           this.checkCurrentToken(tokenId, errorRecoverySet, errorText);
       };
       Parser.prototype.skip = function (errorRecoverySet) {
           errorRecoverySet |= TypeScript.ErrorRecoverySet.EOF;
           var ersTok = TypeScript.ErrorRecoverySet.None;
           var tokenInfo = TypeScript.lookupToken(this.currentToken.tokenId);
           if(tokenInfo != undefined) {
               ersTok = tokenInfo.ers;
           }
           var pendingRightCurlies = 0;
           while(((ersTok & errorRecoverySet) == TypeScript.ErrorRecoverySet.None) || (this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) && (pendingRightCurlies > 0)) {
               if(this.currentToken.tokenId == TypeScript.TokenID.OpenBrace) {
                   pendingRightCurlies++;
               } else {
                   if(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) {
                       pendingRightCurlies--;
                   }
               }
               this.currentToken = this.scanner.scan();
               ersTok = TypeScript.ErrorRecoverySet.None;
               tokenInfo = TypeScript.lookupToken(this.currentToken.tokenId);
               if(tokenInfo != undefined) {
                   ersTok = tokenInfo.ers;
               }
           }
       };
       Parser.prototype.checkCurrentToken = function (tokenId, errorRecoverySet, errorText) {
           if (typeof errorText === "undefined") { errorText = null; }
           if(this.currentToken.tokenId != tokenId) {
               errorText = errorText == null ? ("Expected '" + TypeScript.tokenTable[tokenId].text + "'") : errorText;
               this.reportParseError(errorText);
               if(this.errorRecovery) {
                   this.skip(errorRecoverySet);
               }
           } else {
               this.currentToken = this.scanner.scan();
           }
       };
       Parser.prototype.pushDeclLists = function () {
           this.staticsLists.push(new TypeScript.ASTList());
           this.varLists.push(new TypeScript.ASTList());
           this.scopeLists.push(new TypeScript.ASTList());
       };
       Parser.prototype.popDeclLists = function () {
           this.staticsLists.pop();
           this.varLists.pop();
           this.scopeLists.pop();
       };
       Parser.prototype.topVarList = function () {
           return this.varLists[this.varLists.length - 1];
       };
       Parser.prototype.topScopeList = function () {
           return this.scopeLists[this.scopeLists.length - 1];
       };
       Parser.prototype.topStaticsList = function () {
           return this.staticsLists[this.staticsLists.length - 1];
       };
       Parser.prototype.parseComment = function (comment) {
           if(comment) {
               var c = new TypeScript.Comment(comment.value, comment.isBlock, comment.endsLine);
               c.minChar = comment.startPos;
               c.limChar = comment.startPos + comment.value.length;
               var lineCol = {
                   line: -1,
                   col: -1
               };
               this.getSourceLineCol(lineCol, c.minChar);
               c.minLine = lineCol.line;
               this.getSourceLineCol(lineCol, c.limChar);
               c.limLine = lineCol.line;
               if(!comment.isBlock && comment.value.length > 3 && comment.value.substring(0, 3) == "///") {
                   var dependencyPath = TypeScript.getAdditionalDependencyPath(comment.value);
                   if(dependencyPath) {
                       this.amdDependencies.push(dependencyPath);
                   }
                   if(TypeScript.getImplicitImport(comment.value)) {
                       this.hasTopLevelImportOrExport = true;
                   }
               }
               return c;
           } else {
               return null;
           }
       };
       Parser.prototype.parseCommentsInner = function (comments) {
           if(comments) {
               var commentASTs = new Array();
               for(var i = 0; i < comments.length; i++) {
                   commentASTs.push(this.parseComment(comments[i]));
               }
               return commentASTs;
           } else {
               return null;
           }
       };
       Parser.prototype.parseComments = function () {
           var comments = this.scanner.getComments();
           return this.parseCommentsInner(comments);
       };
       Parser.prototype.parseCommentsForLine = function (line) {
           var comments = this.scanner.getCommentsForLine(line);
           return this.parseCommentsInner(comments);
       };
       Parser.prototype.combineComments = function (comment1, comment2) {
           if(comment1 == null) {
               return comment2;
           } else {
               if(comment2 == null) {
                   return comment1;
               } else {
                   return comment1.concat(comment2);
               }
           }
       };
       Parser.prototype.parseEnumDecl = function (errorRecoverySet, modifiers) {
           var leftCurlyCount = this.scanner.leftCurlyCount;
           var rightCurlyCount = this.scanner.rightCurlyCount;
           var name = null;
           if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
               name = TypeScript.Identifier.fromToken(this.currentToken);
               name.minChar = this.scanner.startPos;
               name.limChar = this.scanner.pos;
               this.currentToken = this.scanner.scan();
           } else {
               this.reportParseError("Enum declaration requires identifier");
               if(this.errorRecovery) {
                   name = new TypeScript.MissingIdentifier();
                   name.minChar = this.scanner.startPos;
                   name.limChar = this.scanner.startPos;
                   name.flags |= TypeScript.ASTFlags.Error;
               }
           }
           var membersMinChar = this.scanner.startPos;
           this.checkCurrentToken(TypeScript.TokenID.OpenBrace, errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
           this.pushDeclLists();
           var members = new TypeScript.ASTList();
           members.minChar = membersMinChar;
           var mapDecl = new TypeScript.VarDecl(new TypeScript.Identifier("_map"), 0);
           mapDecl.varFlags |= TypeScript.VarFlags.Exported;
           mapDecl.varFlags |= TypeScript.VarFlags.Private;
           mapDecl.varFlags |= (TypeScript.VarFlags.Property | TypeScript.VarFlags.Public);
           mapDecl.init = new TypeScript.UnaryExpression(TypeScript.NodeType.ArrayLit, null);
           members.append(mapDecl);
           var lastValue = null;
           for(; ; ) {
               var minChar = this.scanner.startPos;
               var limChar;
               var memberName = null;
               var memberValue = null;
               var preComments = null;
               var postComments = null;
               if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToIDName(this.currentToken)) {
                   memberName = TypeScript.Identifier.fromToken(this.currentToken);
                   memberName.minChar = this.scanner.startPos;
                   memberName.limChar = this.scanner.pos;
               } else {
                   if(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) {
                       break;
                   } else {
                       this.reportParseError("Expected identifer of enum member");
                       if(this.errorRecovery) {
                           memberName = new TypeScript.MissingIdentifier();
                           memberName.minChar = this.scanner.startPos;
                           memberName.limChar = this.scanner.startPos;
                           memberName.flags |= TypeScript.ASTFlags.Error;
                       }
                   }
               }
               limChar = this.scanner.pos;
               preComments = this.parseComments();
               this.currentToken = this.scanner.scan();
               postComments = this.parseComments();
               if(this.currentToken.tokenId == TypeScript.TokenID.Equals) {
                   this.currentToken = this.scanner.scan();
                   memberValue = this.parseExpr(errorRecoverySet, TypeScript.OperatorPrecedence.Comma, true, TypeContext.NoTypes);
                   lastValue = memberValue;
                   limChar = memberValue.limChar;
               } else {
                   if(lastValue == null) {
                       memberValue = new TypeScript.NumberLiteral(0);
                       lastValue = memberValue;
                   } else {
                       memberValue = new TypeScript.NumberLiteral(lastValue.value + 1);
                       lastValue = memberValue;
                   }
                   var map = new TypeScript.BinaryExpression(TypeScript.NodeType.Asg, new TypeScript.BinaryExpression(TypeScript.NodeType.Index, new TypeScript.Identifier("_map"), memberValue), new TypeScript.StringLiteral('"' + memberName.actualText + '"'));
                   members.append(map);
               }
               var member = new TypeScript.VarDecl(memberName, this.nestingLevel);
               member.minChar = minChar;
               member.limChar = limChar;
               member.init = memberValue;
               member.typeExpr = new TypeScript.TypeReference(this.createRef(name.actualText, name.hasEscapeSequence, -1), 0);
               member.varFlags |= (TypeScript.VarFlags.Readonly | TypeScript.VarFlags.Property);
               if(memberValue.nodeType == TypeScript.NodeType.NumberLit) {
                   member.varFlags |= TypeScript.VarFlags.Constant;
               }
               member.preComments = preComments;
               members.append(member);
               member.postComments = postComments;
               member.varFlags |= TypeScript.VarFlags.Exported;
               if(this.currentToken.tokenId == TypeScript.TokenID.Comma) {
                   this.currentToken = this.scanner.scan();
                   member.postComments = this.combineComments(member.postComments, this.parseCommentsForLine(this.scanner.prevLine));
                   if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || (TypeScript.convertTokToIDName(this.currentToken))) {
                       continue;
                   }
               }
               break;
           }
           var endingToken = new TypeScript.ASTSpan();
           endingToken.minChar = this.scanner.startPos;
           endingToken.limChar = this.scanner.pos;
           this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
           members.limChar = this.scanner.lastTokenLimChar();
           var modDecl = new TypeScript.ModuleDeclaration(name, members, this.topVarList(), this.topScopeList(), endingToken);
           modDecl.modFlags |= TypeScript.ModuleFlags.IsEnum;
           this.popDeclLists();
           modDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
           modDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
           return modDecl;
       };
       Parser.prototype.parseDottedName = function (enclosedList) {
           this.currentToken = this.scanner.scan();
           if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
               var id = TypeScript.Identifier.fromToken(this.currentToken);
               id.preComments = this.parseComments();
               enclosedList[enclosedList.length] = id;
               id.minChar = this.scanner.startPos;
               id.limChar = this.scanner.pos;
               this.currentToken = this.scanner.scan();
               if(this.currentToken.tokenId == TypeScript.TokenID.Dot) {
                   this.parseDottedName(enclosedList);
               }
           } else {
               this.reportParseError("need identifier after '.'");
           }
       };
       Parser.prototype.isValidImportPath = function (importPath) {
           importPath = TypeScript.stripQuotes(importPath);
           if(!importPath || importPath.indexOf(':') != -1 || importPath.indexOf('\\') != -1 || importPath.charAt(0) == '/') {
               return false;
           }
           return true;
       };
       Parser.prototype.parseImportDeclaration = function (errorRecoverySet, modifiers) {
           var name = null;
           var alias = null;
           var importDecl = null;
           var minChar = this.scanner.startPos;
           var isDynamicImport = false;
           this.currentToken = this.scanner.scan();
           if(this.currentToken.tokenId == TypeScript.TokenID.Identifier || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
               name = TypeScript.Identifier.fromToken(this.currentToken);
           } else {
               this.reportParseError("Expected identifer after 'import'");
               name = new TypeScript.MissingIdentifier();
           }
           name.minChar = this.scanner.startPos;
           name.limChar = this.scanner.pos;
           this.currentToken = this.scanner.scan();
           this.checkCurrentToken(TypeScript.TokenID.Equals, errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
           var aliasPreComments = this.parseComments();
           var limChar;
           if(this.currentToken.tokenId == TypeScript.TokenID.Identifier || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
               if(this.currentToken.tokenId == TypeScript.TokenID.Module) {
                   limChar = this.scanner.pos;
                   this.currentToken = this.scanner.scan();
                   if(this.currentToken.tokenId == TypeScript.TokenID.OpenParen) {
                       this.currentToken = this.scanner.scan();
                       if(this.currentToken.tokenId == TypeScript.TokenID.StringLiteral || this.currentToken.tokenId == TypeScript.TokenID.Identifier || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                           if(this.currentToken.tokenId == TypeScript.TokenID.StringLiteral) {
                               if(this.topLevel) {
                                   this.hasTopLevelImportOrExport = true;
                               } else {
                                   if(!this.allowImportDeclaration) {
                                       this.reportParseError("Import declaration of external module is permitted only in global or top level dynamic modules");
                                   }
                               }
                               var aliasText = this.currentToken.getText();
                               alias = TypeScript.Identifier.fromToken(this.currentToken);
                               alias.minChar = this.scanner.startPos;
                               alias.limChar = this.scanner.pos;
                               if(!this.isValidImportPath((alias).text)) {
                                   this.reportParseError("Invalid import path");
                               }
                               isDynamicImport = true;
                               this.currentToken = this.scanner.scan();
                               alias.preComments = aliasPreComments;
                           } else {
                               alias = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.Assignment, true, TypeContext.NoTypes);
                               alias.preComments = aliasPreComments;
                           }
                       }
                       limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
                       if(alias) {
                           alias.postComments = this.parseComments();
                       }
                   }
               } else {
                   alias = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.Assignment, true, TypeContext.NoTypes);
                   limChar = this.scanner.pos;
               }
           } else {
               this.reportParseError("Expected module name");
               alias = new TypeScript.MissingIdentifier();
               alias.minChar = this.scanner.startPos;
               if(this.currentToken.tokenId == TypeScript.TokenID.Semicolon) {
                   alias.limChar = this.scanner.startPos;
               } else {
                   alias.limChar = this.scanner.pos;
                   this.currentToken = this.scanner.scan();
               }
               alias.flags |= TypeScript.ASTFlags.Error;
               limChar = alias.limChar;
           }
           importDecl = new TypeScript.ImportDeclaration(name, alias);
           importDecl.isDynamicImport = isDynamicImport;
           importDecl.minChar = minChar;
           importDecl.limChar = limChar;
           return importDecl;
       };
       Parser.prototype.parseModuleDecl = function (errorRecoverySet, modifiers, preComments) {
           var leftCurlyCount = this.scanner.leftCurlyCount;
           var rightCurlyCount = this.scanner.rightCurlyCount;
           var svAmbient = this.ambientModule;
           var svTopLevel = this.topLevel;
           this.topLevel = false;
           if(this.parsingDeclareFile || svAmbient || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
               this.ambientModule = true;
           }
           this.currentToken = this.scanner.scan();
           var name = null;
           var enclosedList = null;
           this.pushDeclLists();
           var minChar = this.scanner.startPos;
           var isDynamicMod = false;
           if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || (this.currentToken.tokenId == TypeScript.TokenID.StringLiteral) || (!TypeScript.isPrimitiveTypeToken(this.currentToken) && TypeScript.convertTokToID(this.currentToken, this.strictMode))) {
               var nameText = this.currentToken.getText();
               if(this.currentToken.tokenId == TypeScript.TokenID.StringLiteral) {
                   isDynamicMod = true;
                   if(!this.ambientModule) {
                       this.reportParseError("Only ambient dynamic modules may have string literal names");
                   }
                   if(!svTopLevel) {
                       this.reportParseError("Dynamic modules may not be nested within other modules");
                   }
               }
               name = TypeScript.Identifier.fromToken(this.currentToken);
               name.minChar = this.scanner.startPos;
               name.limChar = this.scanner.pos;
               this.currentToken = this.scanner.scan();
           } else {
               if(this.currentToken.tokenId == TypeScript.TokenID.OpenBrace) {
                   this.reportParseError("Module name missing");
                   name = new TypeScript.Identifier("");
                   name.minChar = minChar;
                   name.limChar = minChar;
               }
           }
           if(this.currentToken.tokenId == TypeScript.TokenID.Dot) {
               enclosedList = new Array();
               this.parseDottedName(enclosedList);
           }
           if(name == null) {
               name = new TypeScript.MissingIdentifier();
           }
           var moduleBody = new TypeScript.ASTList();
           var bodyMinChar = this.scanner.startPos;
           this.checkCurrentToken(TypeScript.TokenID.OpenBrace, errorRecoverySet | TypeScript.ErrorRecoverySet.ID);
           if(svTopLevel && isDynamicMod) {
               this.allowImportDeclaration = true;
           } else {
               this.allowImportDeclaration = false;
           }
           this.parseStatementList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, moduleBody, true, true, TypeScript.AllowedElements.Global, modifiers);
           moduleBody.minChar = bodyMinChar;
           moduleBody.limChar = this.scanner.pos;
           var endingToken = new TypeScript.ASTSpan();
           endingToken.minChar = this.scanner.startPos;
           endingToken.limChar = this.scanner.pos;
           this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
           var limChar = this.scanner.lastTokenLimChar();
           var moduleDecl;
           this.allowImportDeclaration = svTopLevel;
           if(enclosedList && (enclosedList.length > 0)) {
               var len = enclosedList.length;
               var innerName = enclosedList[len - 1];
               var innerDecl = new TypeScript.ModuleDeclaration(innerName, moduleBody, this.topVarList(), this.topScopeList(), endingToken);
               innerDecl.preComments = preComments;
               if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                   innerDecl.modFlags |= TypeScript.ModuleFlags.Ambient;
               }
               innerDecl.modFlags |= TypeScript.ModuleFlags.Exported;
               innerDecl.minChar = minChar;
               innerDecl.limChar = limChar;
               this.popDeclLists();
               var outerModBod;
               for(var i = len - 2; i >= 0; i--) {
                   outerModBod = new TypeScript.ASTList();
                   outerModBod.append(innerDecl);
                   innerName = enclosedList[i];
                   innerDecl = new TypeScript.ModuleDeclaration(innerName, outerModBod, new TypeScript.ASTList(), new TypeScript.ASTList(), endingToken);
                   outerModBod.minChar = innerDecl.minChar = minChar;
                   outerModBod.limChar = innerDecl.limChar = limChar;
                   if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                       innerDecl.modFlags |= TypeScript.ModuleFlags.Ambient;
                   }
                   innerDecl.modFlags |= TypeScript.ModuleFlags.Exported;
               }
               outerModBod = new TypeScript.ASTList();
               outerModBod.append(innerDecl);
               outerModBod.minChar = minChar;
               outerModBod.limChar = limChar;
               moduleDecl = new TypeScript.ModuleDeclaration(name, outerModBod, new TypeScript.ASTList(), new TypeScript.ASTList(), endingToken);
           } else {
               moduleDecl = new TypeScript.ModuleDeclaration(name, moduleBody, this.topVarList(), this.topScopeList(), endingToken);
               moduleDecl.preComments = preComments;
               this.popDeclLists();
           }
           if(this.parsingDeclareFile || svAmbient || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
               moduleDecl.modFlags |= TypeScript.ModuleFlags.Ambient;
           }
           if(svAmbient || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
               moduleDecl.modFlags |= TypeScript.ModuleFlags.Exported;
           }
           if(isDynamicMod) {
               moduleDecl.modFlags |= TypeScript.ModuleFlags.IsDynamic;
           }
           this.ambientModule = svAmbient;
           this.topLevel = svTopLevel;
           moduleDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
           moduleDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
           moduleDecl.limChar = moduleBody.limChar;
           return moduleDecl;
       };
       Parser.prototype.parseTypeReferenceTail = function (errorRecoverySet, minChar, term) {
           var result = new TypeScript.TypeReference(term, 0);
           result.minChar = minChar;
           while(this.currentToken.tokenId == TypeScript.TokenID.OpenBracket) {
               this.currentToken = this.scanner.scan();
               result.arrayCount++;
               this.checkCurrentToken(TypeScript.TokenID.CloseBracket, errorRecoverySet | TypeScript.ErrorRecoverySet.LBrack);
           }
           result.limChar = this.scanner.lastTokenLimChar();
           return result;
       };
       Parser.prototype.parseNamedType = function (errorRecoverySet, minChar, term, tail) {
           this.currentToken = this.scanner.scan();
           if(this.currentToken.tokenId == TypeScript.TokenID.Dot) {
               var curpos = this.scanner.pos;
               this.currentToken = this.scanner.scan();
               if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || ((!this.errorRecovery || !this.scanner.lastTokenHadNewline()) && TypeScript.convertTokToID(this.currentToken, this.strictMode))) {
                   var op2 = TypeScript.Identifier.fromToken(this.currentToken);
                   op2.minChar = this.scanner.startPos;
                   op2.limChar = this.scanner.pos;
                   var dotNode = new TypeScript.BinaryExpression(TypeScript.NodeType.Dot, term, op2);
                   dotNode.minChar = term.minChar;
                   dotNode.limChar = op2.limChar;
                   return this.parseNamedType(errorRecoverySet, minChar, dotNode, tail);
               } else {
                   this.reportParseError("need identifier after '.'");
                   if(this.errorRecovery) {
                       term.flags |= TypeScript.ASTFlags.DotLHS;
                       term.limChar = this.scanner.lastTokenLimChar();
                       return term;
                   } else {
                       var eop2 = new TypeScript.MissingIdentifier();
                       eop2.minChar = this.scanner.pos;
                       eop2.limChar = this.scanner.pos;
                       var edotNode = new TypeScript.BinaryExpression(TypeScript.NodeType.Dot, term, eop2);
                       edotNode.flags |= TypeScript.ASTFlags.Error;
                       edotNode.minChar = term.minChar;
                       edotNode.limChar = eop2.limChar;
                       return this.parseNamedType(errorRecoverySet, minChar, edotNode, tail);
                   }
               }
           } else {
               if(tail) {
                   return this.parseTypeReferenceTail(errorRecoverySet, minChar, term);
               } else {
                   return term;
               }
           }
       };
       Parser.prototype.parseTypeReference = function (errorRecoverySet, allowVoid) {
           var minChar = this.scanner.startPos;
           var isConstructorMember = false;
           switch(this.currentToken.tokenId) {
               case TypeScript.TokenID.Void: {
                   if(!allowVoid) {
                       this.reportParseError("void not a valid type in this context");
                   }

               }
               case TypeScript.TokenID.Any:
               case TypeScript.TokenID.Number:
               case TypeScript.TokenID.Bool:
               case TypeScript.TokenID.String: {
                   var text = TypeScript.tokenTable[this.currentToken.tokenId].text;
                   var predefinedIdentifier = new TypeScript.Identifier(text);
                   predefinedIdentifier.minChar = minChar;
                   predefinedIdentifier.limChar = this.scanner.pos;
                   this.currentToken = this.scanner.scan();
                   return this.parseTypeReferenceTail(errorRecoverySet, minChar, predefinedIdentifier);
               }

               case TypeScript.TokenID.Identifier: {
                   var ident = this.createRef(this.currentToken.getText(), (this.currentToken).hasEscapeSequence, minChar);
                   ident.limChar = this.scanner.pos;
                   return this.parseNamedType(errorRecoverySet, minChar, ident, true);

               }
               case TypeScript.TokenID.OpenBrace: {
                   return this.parseObjectType(minChar, errorRecoverySet);

               }
               case TypeScript.TokenID.New: {
                   this.currentToken = this.scanner.scan();
                   if(this.currentToken.tokenId != TypeScript.TokenID.OpenParen) {
                       this.reportParseError("Expected '('");
                   } else {
                       isConstructorMember = true;
                   }

               }
               case TypeScript.TokenID.OpenParen: {
                   var formals = new TypeScript.ASTList();
                   var variableArgList = this.parseFormalParameterList(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, formals, false, true, false, false, false, false, null, true);
                   this.checkCurrentToken(TypeScript.TokenID.EqualsGreaterThan, errorRecoverySet);
                   var returnType = this.parseTypeReference(errorRecoverySet, true);
                   var funcDecl = new TypeScript.FuncDecl(null, null, false, formals, null, null, null, TypeScript.NodeType.FuncDecl);
                   funcDecl.returnTypeAnnotation = returnType;
                   funcDecl.variableArgList = variableArgList;
                   funcDecl.fncFlags |= TypeScript.FncFlags.Signature;
                   if(isConstructorMember) {
                       funcDecl.fncFlags |= TypeScript.FncFlags.ConstructMember;
                       funcDecl.hint = "_construct";
                       funcDecl.classDecl = null;
                   }
                   funcDecl.minChar = minChar;
                   return this.parseTypeReferenceTail(errorRecoverySet, minChar, funcDecl);
               }

               default: {
                   this.reportParseError("Expected type name");
                   var etr = new TypeScript.TypeReference(null, 0);
                   etr.flags |= TypeScript.ASTFlags.Error;
                   etr.minChar = this.scanner.pos;
                   etr.limChar = this.scanner.pos;
                   return etr;

               }
           }
       };
       Parser.prototype.parseObjectType = function (minChar, errorRecoverySet) {
           this.currentToken = this.scanner.scan();
           var members = new TypeScript.ASTList();
           members.minChar = minChar;
           var prevInInterfaceDecl = this.inInterfaceDecl;
           this.inInterfaceDecl = true;
           this.parseTypeMemberList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, members);
           this.inInterfaceDecl = prevInInterfaceDecl;
           this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
           var interfaceDecl = new TypeScript.InterfaceDeclaration(this.anonId, members, null, null);
           interfaceDecl.minChar = minChar;
           interfaceDecl.limChar = members.limChar;
           return this.parseTypeReferenceTail(errorRecoverySet, minChar, interfaceDecl);
       };
       Parser.prototype.parseFunctionBlock = function (errorRecoverySet, allowedElements, parentModifiers, bod, bodMinChar) {
           this.state = ParseState.StartStatementList;
           this.checkCurrentToken(TypeScript.TokenID.OpenBrace, errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
           var savedInFunction = this.inFunction;
           this.inFunction = true;
           this.parseStatementList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly | TypeScript.ErrorRecoverySet.StmtStart, bod, true, false, allowedElements, parentModifiers);
           bod.minChar = bodMinChar;
           bod.limChar = this.scanner.pos;
           this.inFunction = savedInFunction;
           var ec = new TypeScript.EndCode();
           ec.minChar = bod.limChar;
           ec.limChar = ec.minChar;
           bod.append(ec);
       };
       Parser.prototype.parseFunctionStatements = function (errorRecoverySet, name, isConstructor, isMethod, args, allowedElements, minChar, requiresSignature, parentModifiers) {
           this.pushDeclLists();
           var svStmtStack = this.statementInfoStack;
           this.resetStmtStack();
           var bod = null;
           var wasShorthand = false;
           var isAnonLambda = false;
           var limChar;
           if(requiresSignature) {
               limChar = this.scanner.pos;
               if(this.currentToken.tokenId === TypeScript.TokenID.OpenBrace) {
                   this.reportParseError("Function declarations are not permitted within interfaces, ambient modules or classes");
                   bod = new TypeScript.ASTList();
                   var bodMinChar = this.scanner.startPos;
                   this.parseFunctionBlock(errorRecoverySet, allowedElements, parentModifiers, bod, bodMinChar);
                   this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
                   if(this.currentToken.tokenId === TypeScript.TokenID.Semicolon) {
                       this.currentToken = this.scanner.scan();
                   }
               } else {
                   this.checkCurrentToken(TypeScript.TokenID.Semicolon, errorRecoverySet, "Expected ';'");
               }
           } else {
               bod = new TypeScript.ASTList();
               var bodMinChar = this.scanner.startPos;
               if(this.currentToken.tokenId == TypeScript.TokenID.EqualsGreaterThan) {
                   if(isMethod) {
                       this.reportParseError("'=>' may not be used for class methods");
                   }
                   wasShorthand = true;
                   this.currentToken = this.scanner.scan();
               }
               if(wasShorthand && this.currentToken.tokenId != TypeScript.TokenID.OpenBrace) {
                   var retExpr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.Assignment, true, TypeContext.NoTypes);
                   var retStmt = new TypeScript.ReturnStatement();
                   retStmt.returnExpression = retExpr;
                   retStmt.minChar = retExpr.minChar;
                   retStmt.limChar = retExpr.limChar;
                   bod.minChar = bodMinChar;
                   bod.append(retStmt);
               } else {
                   isAnonLambda = wasShorthand;
                   this.parseFunctionBlock(errorRecoverySet, allowedElements, parentModifiers, bod, bodMinChar);
               }
               limChar = this.scanner.pos;
           }
           var funcDecl = new TypeScript.FuncDecl(name, bod, isConstructor, args, this.topVarList(), this.topScopeList(), this.topStaticsList(), TypeScript.NodeType.FuncDecl);
           this.popDeclLists();
           var scopeList = this.topScopeList();
           scopeList.append(funcDecl);
           var staticFuncDecl = false;
           if(!requiresSignature) {
               if(!wasShorthand || isAnonLambda) {
                   funcDecl.endingToken = new TypeScript.ASTSpan();
                   funcDecl.endingToken.minChar = this.scanner.startPos;
                   funcDecl.endingToken.limChar = this.scanner.pos;
                   this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
                   if(isAnonLambda) {
                       funcDecl.fncFlags |= TypeScript.FncFlags.IsFatArrowFunction;
                   }
               } else {
                   funcDecl.fncFlags |= TypeScript.FncFlags.IsFatArrowFunction;
                   funcDecl.endingToken = new TypeScript.ASTSpan();
                   funcDecl.endingToken.minChar = bod.members[0].minChar;
                   funcDecl.endingToken.limChar = bod.members[0].limChar;
               }
           }
           funcDecl.minChar = minChar;
           funcDecl.limChar = limChar;
           if(!requiresSignature) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Definition;
           }
           this.statementInfoStack = svStmtStack;
           return funcDecl;
       };
       Parser.prototype.transformAnonymousArgsIntoFormals = function (formals, argList) {
           var _this = this;
           var translateBinExOperand = function (operand) {
               if(operand.nodeType == TypeScript.NodeType.Comma) {
                   return _this.transformAnonymousArgsIntoFormals(formals, operand);
               } else {
                   if(operand.nodeType == TypeScript.NodeType.Name || operand.nodeType == TypeScript.NodeType.Asg) {
                       var opArg = operand.nodeType == TypeScript.NodeType.Asg ? (operand).operand1 : operand;
                       var arg = new TypeScript.ArgDecl(opArg);
                       arg.preComments = opArg.preComments;
                       arg.postComments = opArg.postComments;
                       arg.minChar = operand.minChar;
                       arg.limChar = operand.limChar;
                       if(TypeScript.hasFlag(opArg.flags, TypeScript.ASTFlags.PossibleOptionalParameter)) {
                           arg.isOptional = true;
                       }
                       if(operand.nodeType == TypeScript.NodeType.Asg) {
                           arg.init = (operand).operand2;
                       }
                       formals.append(arg);
                       return arg.isOptional || arg.init;
                   } else {
                       _this.reportParseError("Invalid lambda argument");
                   }
               }
               return false;
           };
           if(argList) {
               if(argList.nodeType == TypeScript.NodeType.Comma) {
                   var commaList = argList;
                   if(commaList.operand1.isParenthesized) {
                       this.reportParseError("Invalid lambda argument", commaList.operand1.minChar, commaList.operand1.limChar);
                   }
                   if(commaList.operand2.isParenthesized) {
                       this.reportParseError("Invalid lambda argument", commaList.operand2.minChar, commaList.operand2.limChar);
                   }
                   var isOptional = translateBinExOperand(commaList.operand1);
                   isOptional = translateBinExOperand(commaList.operand2) || isOptional;
                   return isOptional;
               } else {
                   return translateBinExOperand(argList);
               }
           }
       };
       Parser.prototype.parseFormalParameterList = function (errorRecoverySet, formals, isClassConstr, isSig, isIndexer, isGetter, isSetter, isLambda, preProcessedLambdaArgs, expectClosingRParen) {
           formals.minChar = this.scanner.startPos;
           if(isIndexer) {
               this.currentToken = this.scanner.scan();
           } else {
               if(!isLambda) {
                   this.checkCurrentToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.RParen);
               }
           }
           var sawEllipsis = false;
           var firstArg = true;
           var hasOptional = false;
           var haveFirstArgID = false;
           if(isLambda && preProcessedLambdaArgs && preProcessedLambdaArgs.nodeType != TypeScript.NodeType.EmptyExpr) {
               hasOptional = this.transformAnonymousArgsIntoFormals(formals, preProcessedLambdaArgs);
               haveFirstArgID = true;
           }
           while(true) {
               var munchedArg = false;
               var argFlags = TypeScript.VarFlags.None;
               var argMinChar = this.scanner.startPos;
               if(this.inferPropertiesFromThisAssignment && this.currentToken.tokenId == TypeScript.TokenID.This) {
                   if(!isClassConstr) {
                       this.reportParseError("Instance property declarations using 'this' may only be used in class constructors");
                   }
                   this.currentToken = this.scanner.scan();
                   argFlags |= (TypeScript.VarFlags.Public | TypeScript.VarFlags.Property);
                   if(this.currentClassDefinition) {
                       this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
                   }
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.Public) {
                   argFlags |= (TypeScript.VarFlags.Public | TypeScript.VarFlags.Property);
                   if(this.currentClassDefinition) {
                       this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
                   }
               } else {
                   if(this.currentToken.tokenId == TypeScript.TokenID.Private) {
                       argFlags |= (TypeScript.VarFlags.Private | TypeScript.VarFlags.Property);
                       if(this.currentClassDefinition) {
                           this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
                       }
                   } else {
                       if(this.currentToken.tokenId == TypeScript.TokenID.Static && isClassConstr) {
                           this.reportParseError("Static properties can not be declared as parameter properties");
                           this.currentToken = this.scanner.scan();
                       }
                   }
               }
               if(argFlags != TypeScript.VarFlags.None) {
                   if(!isClassConstr) {
                       this.reportParseError("only constructor parameters can be properties");
                   }
                   this.currentToken = this.scanner.scan();
                   if(TypeScript.isModifier(this.currentToken)) {
                       this.reportParseError("Multiple modifiers may not be applied to parameters");
                       this.currentToken = this.scanner.scan();
                   }
                   if(this.inferPropertiesFromThisAssignment && this.currentToken.tokenId == TypeScript.TokenID.This) {
                       if(!isClassConstr) {
                           this.reportParseError("Instance property declarations using 'this' may only be used in class constructors");
                       }
                       this.currentToken = this.scanner.scan();
                       this.currentToken = this.scanner.scan();
                   }
               } else {
                   if(this.currentToken.tokenId == TypeScript.TokenID.DotDotDot) {
                       sawEllipsis = true;
                       this.currentToken = this.scanner.scan();
                       if(!(this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                           this.reportParseError("'...' parameters require both a parameter name and an array type annotation to be specified");
                           sawEllipsis = false;
                       }
                   }
               }
               var argId = null;
               if(!haveFirstArgID && (this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                   argId = TypeScript.Identifier.fromToken(this.currentToken);
                   argId.minChar = this.scanner.startPos;
                   argId.limChar = this.scanner.pos;
               }
               if(haveFirstArgID || argId) {
                   munchedArg = true;
                   var type = null;
                   var arg = null;
                   if(haveFirstArgID && formals.members.length) {
                       arg = formals.members[formals.members.length - 1];
                       if(arg.isOptional) {
                           hasOptional = true;
                       }
                   } else {
                       arg = new TypeScript.ArgDecl(argId);
                       if(isGetter) {
                           this.reportParseError("Property getters may not take any arguments");
                       }
                       if(isSetter && !firstArg) {
                           this.reportParseError("Property setters may only take one argument");
                       }
                       arg.minChar = argMinChar;
                       arg.preComments = this.parseComments();
                       this.currentToken = this.scanner.scan();
                   }
                   if(this.currentToken.tokenId == TypeScript.TokenID.Question) {
                       arg.isOptional = true;
                       hasOptional = true;
                       this.currentToken = this.scanner.scan();
                   }
                   if(this.currentToken.tokenId == TypeScript.TokenID.Colon) {
                       this.currentToken = this.scanner.scan();
                       type = this.parseTypeReference(errorRecoverySet, false);
                   }
                   if(this.currentToken.tokenId == TypeScript.TokenID.Equals) {
                       if(isSig) {
                           this.reportParseError("Arguments in signatures may not have default values");
                       }
                       hasOptional = true;
                       this.currentToken = this.scanner.scan();
                       arg.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, false, TypeContext.NoTypes);
                   }
                   if(hasOptional && !arg.isOptionalArg() && !sawEllipsis) {
                       this.reportParseError("Optional parameters may only be followed by other optional parameters");
                   }
                   if(sawEllipsis && arg.isOptionalArg()) {
                       this.reportParseError("Varargs may not be optional or have default parameters");
                   }
                   if(sawEllipsis && !type) {
                       this.reportParseError("'...' parameters require both a parameter name and an array type annotation to be specified");
                   }
                   arg.postComments = this.parseComments();
                   arg.typeExpr = type;
                   arg.limChar = this.scanner.lastTokenLimChar();
                   arg.varFlags |= argFlags;
                   if(!haveFirstArgID) {
                       formals.append(arg);
                   } else {
                       haveFirstArgID = false;
                   }
               }
               firstArg = false;
               if(this.currentToken.tokenId == TypeScript.TokenID.Comma) {
                   if((munchedArg) && (!sawEllipsis)) {
                       this.currentToken = this.scanner.scan();
                       continue;
                   } else {
                       this.reportParseError("Unexpected ',' in argument list");
                       if(this.errorRecovery) {
                           this.currentToken = this.scanner.scan();
                           continue;
                       }
                   }
               } else {
                   break;
               }
           }
           if(isIndexer) {
               this.checkCurrentToken(TypeScript.TokenID.CloseBracket, errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly | TypeScript.ErrorRecoverySet.SColon);
           } else {
               if(expectClosingRParen) {
                   this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly | TypeScript.ErrorRecoverySet.SColon);
               }
           }
           formals.limChar = this.scanner.lastTokenLimChar();
           return sawEllipsis;
       };
       Parser.prototype.parseFncDecl = function (errorRecoverySet, isDecl, requiresSignature, isMethod, methodName, indexer, isStatic, markedAsAmbient, modifiers, lambdaArgContext, expectClosingRParen) {
           var leftCurlyCount = this.scanner.leftCurlyCount;
           var rightCurlyCount = this.scanner.rightCurlyCount;
           var prevInConstr = this.parsingClassConstructorDefinition;
           this.parsingClassConstructorDefinition = false;
           var name = null;
           var fnMin = this.scanner.startPos;
           var minChar = this.scanner.pos;
           var prevNestingLevel = this.nestingLevel;
           var preComments = this.parseComments();
           var isLambda = !!lambdaArgContext;
           this.nestingLevel = 0;
           if((!this.style_funcInLoop) && this.inLoop()) {
               this.reportParseStyleError("function declaration in loop");
           }
           if(!isMethod && !isStatic && !indexer && !lambdaArgContext) {
               this.currentToken = this.scanner.scan();
               this.state = ParseState.StartFncDecl;
               if((this.currentToken.tokenId != TypeScript.TokenID.Identifier) && (!TypeScript.convertTokToID(this.currentToken, this.strictMode))) {
                   if(isDecl) {
                       this.reportParseError("Function declaration must include identifier");
                       this.nestingLevel = prevNestingLevel;
                       return new TypeScript.IncompleteAST(fnMin, this.scanner.pos);
                   }
               } else {
                   name = TypeScript.Identifier.fromToken(this.currentToken);
                   name.minChar = this.scanner.startPos;
                   name.limChar = this.scanner.pos;
                   this.currentToken = this.scanner.scan();
               }
           } else {
               if(methodName) {
                   name = methodName;
               }
           }
           this.state = ParseState.FncDeclName;
           var args = new TypeScript.ASTList();
           var variableArgList = false;
           var isOverload = false;
           var isGetter = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter);
           var isSetter = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter);
           if((this.currentToken.tokenId == TypeScript.TokenID.OpenParen) || (indexer && (this.currentToken.tokenId == TypeScript.TokenID.OpenBracket)) || (lambdaArgContext && (lambdaArgContext.preProcessedLambdaArgs || this.currentToken.tokenId == TypeScript.TokenID.DotDotDot))) {
               variableArgList = this.parseFormalParameterList(errorRecoverySet, args, false, requiresSignature, indexer, isGetter, isSetter, isLambda, lambdaArgContext ? lambdaArgContext.preProcessedLambdaArgs : null, expectClosingRParen);
           }
           this.state = ParseState.FncDeclArgs;
           var returnType = null;
           if(this.currentToken.tokenId == TypeScript.TokenID.Colon) {
               this.currentToken = this.scanner.scan();
               if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter)) {
                   this.reportParseError("Property setters may not declare a return type");
               }
               returnType = this.parseTypeReference(errorRecoverySet, true);
           }
           if(indexer && args.members.length == 0) {
               this.reportParseError("Index signatures require a parameter type to be specified");
           }
           this.state = ParseState.FncDeclReturnType;
           if(isLambda && this.currentToken.tokenId != TypeScript.TokenID.EqualsGreaterThan) {
               this.reportParseError("Expected '=>'");
           }
           if(isDecl && !(this.parsingDeclareFile || markedAsAmbient) && (!isMethod || !(this.ambientModule || this.ambientClass || this.inInterfaceDecl)) && this.currentToken.tokenId == TypeScript.TokenID.Semicolon) {
               isOverload = true;
               isDecl = false;
               requiresSignature = true;
           }
           var svInFncDecl = this.inFncDecl;
           this.inFncDecl = true;
           var funcDecl = this.parseFunctionStatements(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, name, false, isMethod, args, TypeScript.AllowedElements.None, minChar, requiresSignature, TypeScript.Modifiers.None);
           this.inFncDecl = svInFncDecl;
           funcDecl.variableArgList = variableArgList;
           funcDecl.isOverload = isOverload;
           if(!requiresSignature) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Definition;
           }
           if(isStatic) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Static;
           }
           if(requiresSignature) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Signature;
           }
           if(indexer) {
               funcDecl.fncFlags |= TypeScript.FncFlags.IndexerMember;
           }
           funcDecl.returnTypeAnnotation = returnType;
           if(isMethod) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Method;
               funcDecl.fncFlags |= TypeScript.FncFlags.ClassPropertyMethodExported;
           }
           funcDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
           funcDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
           this.nestingLevel = prevNestingLevel;
           this.parsingClassConstructorDefinition = prevInConstr;
           funcDecl.preComments = preComments;
           return funcDecl;
       };
       Parser.prototype.convertToTypeReference = function (ast) {
           var result;
           switch(ast.nodeType) {
               case TypeScript.NodeType.TypeRef: {
                   return ast;

               }
               case TypeScript.NodeType.Name: {
                   result = new TypeScript.TypeReference(ast, 0);
                   result.minChar = ast.minChar;
                   result.limChar = ast.limChar;
                   return result;

               }
               case TypeScript.NodeType.Index: {
                   var expr = ast;
                   result = this.convertToTypeReference(expr.operand1);
                   if(result) {
                       result.arrayCount++;
                       result.minChar = expr.minChar;
                       result.limChar = expr.limChar;
                       return result;
                   } else {
                       var etr = new TypeScript.AST(TypeScript.NodeType.Error);
                       return etr;
                   }
               }

           }
           return null;
       };
       Parser.prototype.parseArgList = function (errorRecoverySet) {
           var args = new TypeScript.ASTList();
           args.minChar = this.scanner.startPos;
           this.currentToken = this.scanner.scan();
           if(this.currentToken.tokenId !== TypeScript.TokenID.CloseParen) {
               while(true) {
                   if(args.members.length > 65535) {
                       this.reportParseError("max number of args exceeded");
                       break;
                   }
                   var arg = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, true, TypeContext.NoTypes);
                   args.append(arg);
                   if(this.currentToken.tokenId != TypeScript.TokenID.Comma) {
                       break;
                   }
                   this.currentToken = this.scanner.scan();
               }
           }
           args.limChar = this.scanner.pos;
           return args;
       };
       Parser.prototype.parseBaseList = function (extendsList, implementsList, errorRecoverySet, isClass) {
           var keyword = true;
           var currentList = extendsList;
           for(; ; ) {
               if(keyword) {
                   if(this.currentToken.tokenId === TypeScript.TokenID.Implements) {
                       currentList = implementsList;
                   } else {
                       if(this.currentToken.tokenId == TypeScript.TokenID.Extends && !this.requiresExtendsBlock) {
                           this.requiresExtendsBlock = isClass;
                       }
                   }
                   this.currentToken = this.scanner.scan();
                   keyword = false;
               }
               var baseName = null;
               if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                   var minChar = this.scanner.startPos;
                   baseName = TypeScript.Identifier.fromToken(this.currentToken);
                   baseName.minChar = minChar;
                   baseName.limChar = this.scanner.pos;
                   baseName = this.parseNamedType(errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly, minChar, baseName, false);
               } else {
                   this.reportParseError("Expected base name");
                   if(this.errorRecovery) {
                       baseName = new TypeScript.MissingIdentifier();
                       baseName.minChar = this.scanner.pos;
                       baseName.limChar = this.scanner.pos;
                       baseName.flags |= TypeScript.ASTFlags.Error;
                   }
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.OpenParen) {
                   if(isClass) {
                       this.reportParseError("Base classes may only be initialized via a 'super' call within the constructor body");
                   } else {
                       this.reportParseError("Interfaces may not be extended with a call expression");
                   }
               } else {
                   currentList.append(baseName);
               }
               if(isClass && currentList == extendsList && extendsList.members.length > 1) {
                   this.reportParseError("A class may only extend one other class");
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.Comma) {
                   this.currentToken = this.scanner.scan();
                   continue;
               } else {
                   if((this.currentToken.tokenId == TypeScript.TokenID.Extends) || (this.currentToken.tokenId == TypeScript.TokenID.Implements)) {
                       if(this.currentToken.tokenId == TypeScript.TokenID.Extends && !this.requiresExtendsBlock) {
                           this.requiresExtendsBlock = isClass;
                       }
                       currentList = extendsList;
                       keyword = true;
                       continue;
                   }
               }
               break;
           }
       };
       Parser.prototype.parseClassDecl = function (errorRecoverySet, minChar, modifiers) {
           var leftCurlyCount = this.scanner.leftCurlyCount;
           var rightCurlyCount = this.scanner.rightCurlyCount;
           if((modifiers & TypeScript.Modifiers.Readonly) != TypeScript.Modifiers.None) {
               this.reportParseError("const modifier is implicit for class");
           }
           if(this.parsingDeclareFile || this.ambientModule) {
               modifiers |= TypeScript.Modifiers.Ambient;
               modifiers |= TypeScript.Modifiers.Exported;
           }
           var classIsMarkedAsAmbient = this.parsingDeclareFile || (modifiers & TypeScript.Modifiers.Ambient) != TypeScript.Modifiers.None;
           var svAmbientClass = this.ambientClass;
           this.ambientClass = classIsMarkedAsAmbient;
           this.currentToken = this.scanner.scan();
           var name = null;
           if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || (!TypeScript.isPrimitiveTypeToken(this.currentToken) && TypeScript.convertTokToID(this.currentToken, this.strictMode))) {
               name = TypeScript.Identifier.fromToken(this.currentToken);
               name.minChar = this.scanner.startPos;
               name.limChar = this.scanner.pos;
               this.currentToken = this.scanner.scan();
           } else {
               this.reportParseError("class missing name");
               if(this.errorRecovery) {
                   name = new TypeScript.MissingIdentifier();
                   name.minChar = this.scanner.pos;
                   name.limChar = this.scanner.pos;
                   name.flags |= TypeScript.ASTFlags.Error;
               }
           }
           var extendsList = null;
           var implementsList = null;
           var requiresSignature = false;
           if((this.currentToken.tokenId == TypeScript.TokenID.Extends) || (this.currentToken.tokenId == TypeScript.TokenID.Implements)) {
               extendsList = new TypeScript.ASTList();
               implementsList = new TypeScript.ASTList();
               this.parseBaseList(extendsList, implementsList, errorRecoverySet, true);
           }
           var classDecl = new TypeScript.ClassDeclaration(name, new TypeScript.ASTList(), extendsList, implementsList);
           this.currentClassDefinition = classDecl;
           this.parseClassElements(classDecl, errorRecoverySet, modifiers);
           if(this.ambientModule || this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
               classDecl.varFlags |= TypeScript.VarFlags.Exported;
           }
           if(this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
               classDecl.varFlags |= TypeScript.VarFlags.Ambient;
           }
           classDecl.varFlags |= TypeScript.VarFlags.Class;
           this.ambientClass = svAmbientClass;
           classDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
           classDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
           return classDecl;
       };
       Parser.prototype.parseClassElements = function (classDecl, errorRecoverySet, parentModifiers) {
           var modifiers = parentModifiers;
           var resetModifiers = false;
           var membersMinChar = this.scanner.startPos;
           this.checkCurrentToken(TypeScript.TokenID.OpenBrace, errorRecoverySet);
           this.nestingLevel++;
           var currentMemberMinChar = this.scanner.startPos;
           var wasGetOrSetId = false;
           while(!(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace || this.currentToken.tokenId == TypeScript.TokenID.EndOfFile)) {
               var scanNext = true;
               var publicOrPrivateFlags = TypeScript.Modifiers.Public | TypeScript.Modifiers.Private;
               if(this.currentToken.tokenId == TypeScript.TokenID.Get) {
                   if(modifiers & TypeScript.Modifiers.Getter) {
                       this.reportParseError("Duplicate 'get' declaration in class body");
                   }
                   if(modifiers & TypeScript.Modifiers.Setter) {
                       this.reportParseError("Getter already marked as a setter");
                   }
                   modifiers |= TypeScript.Modifiers.Getter;
               } else {
                   if(this.currentToken.tokenId == TypeScript.TokenID.Set) {
                       if(modifiers & TypeScript.Modifiers.Setter) {
                           this.reportParseError("Duplicate 'set' declaration in class body");
                       }
                       if(modifiers & TypeScript.Modifiers.Getter) {
                           this.reportParseError("Setter already marked as a getter");
                       }
                       modifiers |= TypeScript.Modifiers.Setter;
                   } else {
                       if(this.currentToken.tokenId == TypeScript.TokenID.Private) {
                           if(modifiers & publicOrPrivateFlags) {
                               this.reportParseError("Multiple modifiers may not be applied to class members");
                           }
                           modifiers |= TypeScript.Modifiers.Private;
                       } else {
                           if(this.currentToken.tokenId == TypeScript.TokenID.Public) {
                               if(modifiers & publicOrPrivateFlags) {
                                   this.reportParseError("Multiple modifiers may not be applied to class members");
                               }
                               modifiers |= TypeScript.Modifiers.Public;
                           } else {
                               if(this.currentToken.tokenId == TypeScript.TokenID.Static) {
                                   if(modifiers & TypeScript.Modifiers.Static) {
                                       this.reportParseError("Multiple modifiers may not be applied to class members");
                                   }
                                   modifiers |= TypeScript.Modifiers.Static;
                               } else {
                                   if(this.currentToken.tokenId == TypeScript.TokenID.Constructor) {
                                       if(modifiers != parentModifiers) {
                                           this.reportParseError("Constructors may not have modifiers");
                                       }
                                       this.parseClassConstructorDeclaration(currentMemberMinChar, errorRecoverySet, modifiers);
                                       scanNext = false;
                                       resetModifiers = true;
                                   } else {
                                       if(wasGetOrSetId || this.currentToken.tokenId == TypeScript.TokenID.Identifier || TypeScript.convertTokToIDName(this.currentToken)) {
                                           var idText = wasGetOrSetId ? ((modifiers & TypeScript.Modifiers.Getter) ? "get" : "set") : this.currentToken.getText();
                                           var id = wasGetOrSetId ? new TypeScript.Identifier(idText) : TypeScript.Identifier.fromToken(this.currentToken);
                                           id.minChar = this.scanner.startPos;
                                           id.limChar = this.scanner.pos;
                                           if(wasGetOrSetId) {
                                               modifiers = modifiers ^ ((modifiers & TypeScript.Modifiers.Getter) ? TypeScript.Modifiers.Getter : TypeScript.Modifiers.Setter);
                                               wasGetOrSetId = false;
                                           } else {
                                               this.currentToken = this.scanner.scan();
                                           }
                                           if(this.currentToken.tokenId == TypeScript.TokenID.OpenParen) {
                                               this.parseClassMemberFunctionDeclaration(id, currentMemberMinChar, errorRecoverySet, modifiers);
                                               scanNext = false;
                                           } else {
                                               if(modifiers & TypeScript.Modifiers.Getter || modifiers & TypeScript.Modifiers.Setter) {
                                                   this.reportParseError("Property accessors must be functions");
                                               }
                                               var varDecl = this.parseClassMemberVariableDeclaration(id, currentMemberMinChar, false, errorRecoverySet, modifiers);
                                               if(varDecl.init && varDecl.init.nodeType == TypeScript.NodeType.FuncDecl) {
                                                   if(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) {
                                                       scanNext = false;
                                                   }
                                               } else {
                                                   if(varDecl.init && varDecl.init.nodeType == TypeScript.NodeType.ObjectLit && this.currentToken.tokenId != TypeScript.TokenID.Semicolon) {
                                                       scanNext = false;
                                                       varDecl.init.flags |= TypeScript.ASTFlags.AutomaticSemicolon;
                                                   } else {
                                                       if(this.currentToken.tokenId != TypeScript.TokenID.Semicolon) {
                                                           this.reportParseError("Expected ';'");
                                                           scanNext = false;
                                                       }
                                                   }
                                               }
                                           }
                                           resetModifiers = true;
                                       } else {
                                           if(this.currentToken.tokenId == TypeScript.TokenID.Super) {
                                               this.reportParseError("Base class initializers must be the first statement in a class definition");
                                           } else {
                                               if(!wasGetOrSetId && ((modifiers & TypeScript.Modifiers.Getter) || (modifiers & TypeScript.Modifiers.Setter)) && ((this.currentToken.tokenId == TypeScript.TokenID.OpenParen) || (this.currentToken.tokenId == TypeScript.TokenID.Equals) || (this.currentToken.tokenId == TypeScript.TokenID.Colon) || (this.currentToken.tokenId == TypeScript.TokenID.Semicolon))) {
                                                   wasGetOrSetId = true;
                                                   scanNext = false;
                                               } else {
                                                   if(this.currentToken.tokenId != TypeScript.TokenID.Semicolon) {
                                                       this.reportParseError("Unexpected '" + this.currentToken.getText() + "' in class definition");
                                                       resetModifiers = true;
                                                   }
                                               }
                                           }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
               if(scanNext) {
                   this.currentToken = this.scanner.scan();
                   if (this.currentToken === undefined) this.currentToken = this.scanner.scan();
               }
               if(resetModifiers) {
                   modifiers = parentModifiers;
                   currentMemberMinChar = this.scanner.startPos;
                   resetModifiers = false;
               }
           }
           var membersLimChar = this.scanner.pos;
           if(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) {
               classDecl.endingToken = new TypeScript.ASTSpan();
               classDecl.endingToken.minChar = this.scanner.startPos;
               classDecl.endingToken.limChar = this.scanner.pos;
               if(!this.currentClassDefinition.members.members.length) {
                   this.currentClassDefinition.preComments = this.parseComments();
               }
               this.currentToken = this.scanner.scan();
           }
           this.nestingLevel--;
           this.currentClassDefinition.members.minChar = membersMinChar;
           this.currentClassDefinition.members.limChar = membersLimChar;
           this.currentClassDefinition.limChar = membersLimChar;
           this.currentClassDefinition = null;
       };
       Parser.prototype.parseClassConstructorDeclaration = function (minChar, errorRecoverySet, modifiers) {
           this.parsingClassConstructorDefinition = true;
           var isAmbient = this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient);
           var args = new TypeScript.ASTList();
           var variableArgList = false;
           var preComments = this.parseComments();
           this.currentToken = this.scanner.scan();
           if(this.currentToken.tokenId == TypeScript.TokenID.OpenParen) {
               variableArgList = this.parseFormalParameterList(errorRecoverySet, args, true, isAmbient, false, false, false, false, null, true);
               if(args.members.length > 0) {
                   var lastArg = args.members[args.members.length - 1];
               }
           }
           var requiresSignature = isAmbient || this.currentToken.tokenId == TypeScript.TokenID.Semicolon;
           if(requiresSignature) {
               for(var i = 0; i < args.members.length; i++) {
                   var arg = args.members[i];
                   if(TypeScript.hasFlag(arg.varFlags, TypeScript.VarFlags.Property)) {
                       this.reportParseError("Overload or ambient signatures may not specify parameter properties", arg.minChar, arg.limChar);
                   }
               }
           }
           if(!requiresSignature) {
               this.currentClassDefinition.constructorNestingLevel = this.nestingLevel + 1;
           }
           var constructorFuncDecl = this.parseFunctionStatements(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, this.currentClassDefinition.name, true, false, args, TypeScript.AllowedElements.Properties, minChar, requiresSignature, modifiers);
           constructorFuncDecl.preComments = preComments;
           if(requiresSignature && !isAmbient) {
               constructorFuncDecl.isOverload = true;
           }
           constructorFuncDecl.variableArgList = variableArgList;
           this.currentClassDecl = null;
           constructorFuncDecl.returnTypeAnnotation = this.convertToTypeReference(this.currentClassDefinition.name);
           constructorFuncDecl.classDecl = this.currentClassDefinition;
           if(isAmbient) {
               constructorFuncDecl.fncFlags |= TypeScript.FncFlags.Ambient;
           }
           if(requiresSignature) {
               constructorFuncDecl.fncFlags |= TypeScript.FncFlags.Signature;
           }
           if(this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
               constructorFuncDecl.fncFlags |= TypeScript.FncFlags.Exported;
           }
           if(this.currentClassDefinition.constructorDecl) {
               if(!isAmbient && !this.currentClassDefinition.constructorDecl.isSignature() && !constructorFuncDecl.isSignature()) {
                   this.reportParseError("Duplicate constructor definition");
               }
           }
           if(isAmbient || !constructorFuncDecl.isSignature()) {
               this.currentClassDefinition.constructorDecl = constructorFuncDecl;
           }
           constructorFuncDecl.fncFlags |= TypeScript.FncFlags.ClassMethod;
           this.currentClassDefinition.members.members[this.currentClassDefinition.members.members.length] = constructorFuncDecl;
           this.parsingClassConstructorDefinition = false;
           return constructorFuncDecl;
       };
       Parser.prototype.parseClassMemberVariableDeclaration = function (text, minChar, isDeclaredInConstructor, errorRecoverySet, modifiers) {
           var varDecl = new TypeScript.VarDecl(text, this.nestingLevel);
           varDecl.minChar = minChar;
           var isStatic = false;
           varDecl.preComments = this.parseComments();
           if(this.currentToken.tokenId == TypeScript.TokenID.Colon) {
               this.currentToken = this.scanner.scan();
               varDecl.typeExpr = this.parseTypeReference(errorRecoverySet | TypeScript.ErrorRecoverySet.Asg | TypeScript.ErrorRecoverySet.Comma, false);
               if(varDecl.typeExpr && varDecl.typeExpr.nodeType == TypeScript.NodeType.TypeRef) {
                   var typeExpr = (varDecl.typeExpr);
                   if(typeExpr.term && typeExpr.term.nodeType == TypeScript.NodeType.FuncDecl) {
                       typeExpr.term.preComments = varDecl.preComments;
                   }
               }
           }
           if(this.currentToken.tokenId == TypeScript.TokenID.Equals) {
               if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                   this.reportParseError("context does not permit variable initializer");
                   if(this.errorRecovery) {
                       this.skip(errorRecoverySet);
                       varDecl.flags |= TypeScript.ASTFlags.Error;
                       varDecl.limChar = this.scanner.lastTokenLimChar();
                       return varDecl;
                   }
               }
               this.currentToken = this.scanner.scan();
               varDecl.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, true, TypeContext.NoTypes);
               varDecl.limChar = varDecl.init.limChar;
               if(!(modifiers & TypeScript.Modifiers.Static)) {
                   this.currentClassDefinition.varFlags |= TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor;
               }
           } else {
               varDecl.limChar = this.scanner.pos;
           }
           if(modifiers & TypeScript.Modifiers.Static) {
               varDecl.varFlags |= TypeScript.VarFlags.Static;
               isStatic = true;
           }
           if((modifiers & TypeScript.Modifiers.Private) != TypeScript.Modifiers.None) {
               varDecl.varFlags |= TypeScript.VarFlags.Private;
           } else {
               varDecl.varFlags |= TypeScript.VarFlags.Public;
           }
           varDecl.varFlags |= TypeScript.VarFlags.Property;
           if(isDeclaredInConstructor) {
               varDecl.varFlags |= TypeScript.VarFlags.ClassConstructorProperty;
           }
           if(!isDeclaredInConstructor && !isStatic) {
               varDecl.varFlags |= TypeScript.VarFlags.ClassBodyProperty;
           }
           this.currentClassDefinition.knownMemberNames[text.actualText] = true;
           if(!isDeclaredInConstructor) {
               this.currentClassDefinition.members.members[this.currentClassDefinition.members.members.length] = varDecl;
           }
           varDecl.postComments = this.parseComments();
           return varDecl;
       };
       Parser.prototype.parseClassMemberFunctionDeclaration = function (methodName, minChar, errorRecoverySet, modifiers) {
           var wasAccessorID = this.prevIDTok != null;
           var isAccessor = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter) || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter);
           var isStatic = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Static);
           var isAmbient = this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient);
           errorRecoverySet |= TypeScript.ErrorRecoverySet.RParen;
           if(isAccessor && (modifiers & TypeScript.Modifiers.Ambient)) {
               this.reportParseError("Property accessors may not be declared in ambient classes");
           }
           var ast = this.parseFncDecl(errorRecoverySet, true, isAmbient, true, methodName, false, isStatic, isAmbient, modifiers, null, true);
           if(ast.nodeType == TypeScript.NodeType.Error) {
               return ast;
           }
           var funcDecl = ast;
           funcDecl.minChar = minChar;
           if(funcDecl.bod !== null) {
               funcDecl.limChar = funcDecl.bod.limChar;
           }
           if(modifiers & TypeScript.Modifiers.Private) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Private;
           } else {
               funcDecl.fncFlags |= TypeScript.FncFlags.Public;
           }
           if(isStatic) {
               funcDecl.fncFlags |= TypeScript.FncFlags.Static;
           }
           if(isAccessor) {
               if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter)) {
                   funcDecl.fncFlags |= TypeScript.FncFlags.GetAccessor;
                   funcDecl.hint = "get" + funcDecl.name.actualText;
               } else {
                   funcDecl.fncFlags |= TypeScript.FncFlags.SetAccessor;
                   funcDecl.hint = "set" + funcDecl.name.actualText;
               }
               funcDecl.fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
               if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                   this.reportParseError("Property accessors are only available when targeting ES5 or greater", funcDecl.minChar, funcDecl.limChar);
               }
           }
           funcDecl.fncFlags |= TypeScript.FncFlags.ClassMethod;
           this.currentClassDefinition.knownMemberNames[methodName.actualText] = true;
           this.currentClassDefinition.members.members[this.currentClassDefinition.members.members.length] = funcDecl;
           return funcDecl;
       };
       Parser.prototype.parseTypeMember = function (errorRecoverySet) {
           var minChar = this.scanner.startPos;
           var propertyDecl = this.parsePropertyDeclaration(errorRecoverySet, TypeScript.Modifiers.Public, true, false);
           if(propertyDecl) {
               propertyDecl.minChar = minChar;
               if(propertyDecl.nodeType == TypeScript.NodeType.VarDecl) {
                   this.checkCurrentToken(TypeScript.TokenID.Semicolon, errorRecoverySet);
               }
           }
           return propertyDecl;
       };
       Parser.prototype.parseTypeMemberList = function (errorRecoverySet, members) {
           errorRecoverySet |= TypeScript.ErrorRecoverySet.TypeScriptS;
           while(true) {
               switch(this.currentToken.tokenId) {
                   case TypeScript.TokenID.CloseBrace:
                   case TypeScript.TokenID.EndOfFile: {
                       members.limChar = this.scanner.pos;
                       return;

                   }
               }
               var element = this.parseTypeMember(errorRecoverySet);
               if(element) {
                   members.append(element);
               }
           }
       };
       Parser.prototype.parseInterfaceDecl = function (errorRecoverySet, modifiers) {
           var leftCurlyCount = this.scanner.leftCurlyCount;
           var rightCurlyCount = this.scanner.rightCurlyCount;
           this.currentToken = this.scanner.scan();
           var minChar = this.scanner.pos;
           var name = null;
           if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || (!TypeScript.isPrimitiveTypeToken(this.currentToken) && TypeScript.convertTokToID(this.currentToken, this.strictMode))) {
               name = TypeScript.Identifier.fromToken(this.currentToken);
               name.minChar = this.scanner.startPos;
               name.limChar = this.scanner.pos;
               this.currentToken = this.scanner.scan();
           } else {
               this.reportParseError("interface missing name");
               if(this.errorRecovery) {
                   name = new TypeScript.MissingIdentifier();
                   name.minChar = this.scanner.pos;
                   name.limChar = this.scanner.pos;
                   name.flags |= TypeScript.ASTFlags.Error;
               }
           }
           var extendsList = null;
           var implementsList = null;
           if(this.currentToken.tokenId === TypeScript.TokenID.Extends || this.currentToken.tokenId === TypeScript.TokenID.Implements) {
               if(this.currentToken.tokenId === TypeScript.TokenID.Implements) {
                   this.reportParseError("Expected 'extends'");
               }
               extendsList = new TypeScript.ASTList();
               implementsList = new TypeScript.ASTList();
               extendsList.minChar = this.scanner.startPos;
               this.parseBaseList(extendsList, implementsList, errorRecoverySet, false);
           }
           var membersMinChar = this.scanner.startPos;
           this.checkCurrentToken(TypeScript.TokenID.OpenBrace, errorRecoverySet | TypeScript.ErrorRecoverySet.TypeScriptS);
           var members = new TypeScript.ASTList();
           members.minChar = membersMinChar;
           var prevInInterfaceDecl = this.inInterfaceDecl;
           this.inInterfaceDecl = true;
           this.parseTypeMemberList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, members);
           this.inInterfaceDecl = prevInInterfaceDecl;
           this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
           var interfaceDecl = new TypeScript.InterfaceDeclaration(name, members, extendsList, null);
           if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Private)) {
               interfaceDecl.varFlags |= TypeScript.VarFlags.Private;
           }
           if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Public)) {
               interfaceDecl.varFlags |= TypeScript.VarFlags.Public;
           }
           if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
               interfaceDecl.varFlags |= TypeScript.VarFlags.Exported;
           }
           interfaceDecl.limChar = members.limChar;
           interfaceDecl.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
           interfaceDecl.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
           return interfaceDecl;
       };
       Parser.prototype.makeVarDecl = function (id, nest) {
           var varDecl = new TypeScript.VarDecl(id, nest);
           var currentVarList = this.topVarList();
           if(currentVarList) {
               currentVarList.append(varDecl);
           }
           return varDecl;
       };
       Parser.prototype.parsePropertyDeclaration = function (errorRecoverySet, modifiers, requireSignature, isStatic) {
           var text = null;
           var minChar = this.scanner.startPos;
           var nameLimChar = minChar;
           var isNew = false;
           var isIndexer = false;
           var wasAccessorID = this.prevIDTok != null;
           var isAccessor = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter) || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Setter);
           if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
               requireSignature = true;
           }
           if(this.currentToken.tokenId == TypeScript.TokenID.OpenParen && !wasAccessorID) {
               if(!requireSignature && !isStatic) {
                   this.reportParseError("Expected identifier in property declaration");
                   if(this.errorRecovery) {
                       this.skip(errorRecoverySet);
                       text = new TypeScript.MissingIdentifier();
                   }
               }
           } else {
               if(this.currentToken.tokenId == TypeScript.TokenID.New) {
                   if(requireSignature) {
                       this.currentToken = this.scanner.scan();
                       if(this.currentToken.tokenId == TypeScript.TokenID.OpenParen) {
                           isNew = true;
                       }
                   }
                   if(!isNew) {
                       if(!requireSignature) {
                           this.currentToken = this.scanner.scan();
                       }
                       text = new TypeScript.Identifier("new");
                       text.minChar = this.scanner.pos - 3;
                       text.limChar = this.scanner.pos;
                       nameLimChar = this.scanner.pos;
                   }
               } else {
                   if((this.currentToken.tokenId == TypeScript.TokenID.OpenBracket) && requireSignature) {
                       isIndexer = true;
                       text = new TypeScript.Identifier("__item");
                   } else {
                       if((this.currentToken.tokenId != TypeScript.TokenID.Identifier) && (!TypeScript.convertTokToIDName(this.currentToken)) && !wasAccessorID) {
                           this.reportParseError("Expected identifier in property declaration");
                           if(this.errorRecovery) {
                               var eminChar = this.scanner.startPos;
                               var curpos = this.scanner.pos;
                               this.skip(errorRecoverySet & (~TypeScript.ErrorRecoverySet.Comma));
                               if(this.scanner.pos == curpos) {
                                   this.currentToken = this.scanner.scan();
                               }
                               var epd = new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel);
                               epd.flags |= TypeScript.ASTFlags.Error;
                               epd.minChar = eminChar;
                               epd.limChar = this.scanner.lastTokenLimChar();
                               return epd;
                           }
                       } else {
                           if(wasAccessorID) {
                               text = TypeScript.Identifier.fromToken(this.prevIDTok);
                               text.minChar = this.scanner.lastTokenLimChar() - 3;
                               text.limChar = this.scanner.lastTokenLimChar();
                               nameLimChar = text.limChar;
                               if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                   this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                               }
                               if(this.currentToken.getText() == text.actualText && this.currentToken != this.prevIDTok) {
                                   this.currentToken = this.scanner.scan();
                               }
                               this.prevIDTok = null;
                           } else {
                               text = TypeScript.Identifier.fromToken(this.currentToken);
                               text.minChar = this.scanner.startPos;
                               text.limChar = this.scanner.pos;
                               nameLimChar = this.scanner.pos;
                               this.currentToken = this.scanner.scan();
                           }
                       }
                   }
               }
           }
           if(this.currentToken.tokenId == TypeScript.TokenID.Question) {
               if(this.inInterfaceDecl && text) {
                   text.flags |= TypeScript.ASTFlags.OptionalName;
               } else {
                   this.reportParseError("Optional properties may only be declared on interface or object types");
               }
               this.currentToken = this.scanner.scan();
           }
           if((this.currentToken.tokenId == TypeScript.TokenID.OpenParen) || (isIndexer && (this.currentToken.tokenId == TypeScript.TokenID.OpenBracket))) {
               var ers = errorRecoverySet | TypeScript.ErrorRecoverySet.RParen;
               if(isIndexer) {
                   ers = errorRecoverySet | TypeScript.ErrorRecoverySet.RBrack;
               }
               var ast = this.parseFncDecl(ers, true, requireSignature, !this.inFncDecl, text, isIndexer, isStatic, (this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)), modifiers, null, true);
               var funcDecl;
               if(ast.nodeType == TypeScript.NodeType.Error) {
                   return ast;
               } else {
                   funcDecl = ast;
               }
               if(funcDecl.name) {
                   funcDecl.name.minChar = minChar;
                   funcDecl.name.limChar = nameLimChar;
               }
               if((modifiers & TypeScript.Modifiers.Public) != TypeScript.Modifiers.None) {
                   funcDecl.fncFlags |= TypeScript.FncFlags.Public;
               }
               if((modifiers & TypeScript.Modifiers.Private) != TypeScript.Modifiers.None) {
                   funcDecl.fncFlags |= TypeScript.FncFlags.Private;
               }
               if(isStatic) {
                   funcDecl.fncFlags |= TypeScript.FncFlags.Static;
               }
               if(this.parsingDeclareFile || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                   funcDecl.fncFlags |= TypeScript.FncFlags.Ambient;
               }
               if(isAccessor) {
                   if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Getter)) {
                       funcDecl.fncFlags |= TypeScript.FncFlags.GetAccessor;
                       funcDecl.hint = "get" + funcDecl.name.actualText;
                   } else {
                       funcDecl.fncFlags |= TypeScript.FncFlags.SetAccessor;
                       funcDecl.hint = "set" + funcDecl.name.actualText;
                   }
                   funcDecl.fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                   if(modifiers & TypeScript.Modifiers.Ambient) {
                       this.reportParseError("Property accessors may not be declared in ambient types");
                   }
               }
               if(text == null) {
                   if(isNew) {
                       funcDecl.fncFlags |= TypeScript.FncFlags.ConstructMember;
                       funcDecl.hint = "_construct";
                       funcDecl.classDecl = this.currentClassDecl;
                   } else {
                       funcDecl.hint = "_call";
                       funcDecl.fncFlags |= TypeScript.FncFlags.CallMember;
                   }
               }
               return funcDecl;
           } else {
               var varDecl = new TypeScript.VarDecl(text, this.nestingLevel);
               varDecl.preComments = this.parseComments();
               varDecl.minChar = minChar;
               if(this.currentToken.tokenId == TypeScript.TokenID.Colon) {
                   this.currentToken = this.scanner.scan();
                   varDecl.typeExpr = this.parseTypeReference(errorRecoverySet | TypeScript.ErrorRecoverySet.Asg | TypeScript.ErrorRecoverySet.Comma, false);
                   if(varDecl.typeExpr && varDecl.typeExpr.nodeType == TypeScript.NodeType.TypeRef) {
                       var typeExpr = (varDecl.typeExpr);
                       if(typeExpr.term && typeExpr.term.nodeType == TypeScript.NodeType.FuncDecl) {
                           typeExpr.term.preComments = varDecl.preComments;
                       }
                   }
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.Equals) {
                   if(requireSignature) {
                       this.reportParseError("context does not permit variable initializer");
                       if(this.errorRecovery) {
                           this.skip(errorRecoverySet);
                           varDecl.flags |= TypeScript.ASTFlags.Error;
                           varDecl.limChar = this.scanner.lastTokenLimChar();
                           return varDecl;
                       }
                   }
                   this.currentToken = this.scanner.scan();
                   varDecl.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, true, TypeContext.NoTypes);
                   varDecl.limChar = varDecl.init.limChar;
                   if(varDecl.init.nodeType == TypeScript.NodeType.FuncDecl) {
                       var funcDecl = varDecl.init;
                       funcDecl.hint = varDecl.id.text;
                       funcDecl.boundToProperty = varDecl;
                   } else {
                       if(isAccessor) {
                           this.reportParseError("Accessors may only be functions");
                       }
                   }
               } else {
                   varDecl.limChar = this.scanner.pos;
               }
               if((modifiers & TypeScript.Modifiers.Readonly) != TypeScript.Modifiers.None) {
                   varDecl.varFlags |= TypeScript.VarFlags.Readonly;
               }
               if(isStatic) {
                   varDecl.varFlags |= TypeScript.VarFlags.Static;
               }
               if((modifiers & TypeScript.Modifiers.Public) != TypeScript.Modifiers.None) {
                   varDecl.varFlags |= TypeScript.VarFlags.Public;
               }
               if((modifiers & TypeScript.Modifiers.Private) != TypeScript.Modifiers.None) {
                   varDecl.varFlags |= TypeScript.VarFlags.Private;
               }
               varDecl.varFlags |= TypeScript.VarFlags.Property;
               return varDecl;
           }
       };
       Parser.prototype.parseVariableDeclaration = function (errorRecoverySet, modifiers, allowIn, isStatic) {
           var isConst = TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Readonly);
           var minChar = this.scanner.startPos;
           var varDecl = null;
           var declList = null;
           var multivar = false;
           this.currentToken = this.scanner.scan();
           var varDeclPreComments = this.parseComments();
           while(true) {
               if((this.currentToken.tokenId != TypeScript.TokenID.Identifier) && (!TypeScript.convertTokToID(this.currentToken, this.strictMode))) {
                   this.reportParseError("Expected identifier in variable declaration");
                   if(this.errorRecovery) {
                       varDecl = new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel);
                       varDecl.minChar = minChar;
                       this.skip(errorRecoverySet);
                       varDecl.flags |= TypeScript.ASTFlags.Error;
                       varDecl.limChar = this.scanner.lastTokenLimChar();
                       return varDecl;
                   }
               }
               var varDeclName = TypeScript.Identifier.fromToken(this.currentToken);
               if(this.strictMode && (varDeclName.text == "eval")) {
                   this.reportParseError("'eval' may not name a variable in strict mode");
               }
               varDecl = this.makeVarDecl(varDeclName, this.nestingLevel);
               varDecl.id.minChar = this.scanner.startPos;
               varDecl.id.limChar = this.scanner.pos;
               varDecl.preComments = varDeclPreComments;
               if(isStatic) {
                   varDecl.varFlags |= TypeScript.VarFlags.Static;
               }
               if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Readonly)) {
                   varDecl.varFlags |= TypeScript.VarFlags.Readonly;
               }
               if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                   varDecl.varFlags |= TypeScript.VarFlags.Ambient;
               }
               if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                   varDecl.varFlags |= TypeScript.VarFlags.Exported;
               }
               varDecl.minChar = minChar;
               if(declList) {
                   declList.append(varDecl);
               }
               this.currentToken = this.scanner.scan();
               if(this.currentToken.tokenId == TypeScript.TokenID.Colon) {
                   this.currentToken = this.scanner.scan();
                   var prevInFncDecl = this.inFncDecl;
                   this.inFncDecl = false;
                   varDecl.typeExpr = this.parseTypeReference(errorRecoverySet | TypeScript.ErrorRecoverySet.Asg | TypeScript.ErrorRecoverySet.Comma, false);
                   this.inFncDecl = prevInFncDecl;
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.Equals) {
                   if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Ambient)) {
                       this.reportParseError("Ambient variable can not have an initializer");
                   }
                   this.currentToken = this.scanner.scan();
                   varDecl.init = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, allowIn, TypeContext.NoTypes);
                   varDecl.limChar = varDecl.init.limChar;
                   if(varDecl.init.nodeType == TypeScript.NodeType.FuncDecl) {
                       var funcDecl = varDecl.init;
                       funcDecl.hint = varDecl.id.actualText;
                   }
               } else {
                   if(isConst) {
                       this.reportParseError("const declaration requires initializer");
                   }
                   varDecl.limChar = this.scanner.pos;
               }
               varDecl.postComments = this.parseCommentsForLine(this.scanner.line);
               if(this.currentToken.tokenId != TypeScript.TokenID.Comma) {
                   if(declList) {
                       declList.limChar = varDecl.limChar;
                       return declList;
                   } else {
                       return varDecl;
                   }
               }
               if(!multivar) {
                   declList = new TypeScript.ASTList();
                   declList.minChar = varDecl.minChar;
                   declList.append(varDecl);
                   multivar = true;
               }
               this.currentToken = this.scanner.scan();
               minChar = this.scanner.startPos;
           }
       };
       Parser.prototype.parseMemberList = function (errorRecoverySet) {
           var elements = new TypeScript.ASTList();
           if(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) {
               return elements;
           }
           var idHint = null;
           var memberName = null;
           var memberExpr = null;
           var member = null;
           var minChar = this.scanner.startPos;
           var isSet = false;
           var skippedTokenForGetSetId = false;
           var getSetTok = null;
           var getSetStartPos = 0;
           var getSetPos = 0;
           for(; ; ) {
               var accessorPattern = false;
               if(this.currentToken.tokenId == TypeScript.TokenID.Get || this.currentToken.tokenId == TypeScript.TokenID.Set) {
                   isSet = this.currentToken.tokenId == TypeScript.TokenID.Set;
                   getSetTok = this.currentToken;
                   getSetStartPos = this.scanner.startPos;
                   getSetPos = this.scanner.pos;
                   this.currentToken = this.scanner.scan();
                   if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToIDName(this.currentToken)) {
                       idHint = isSet ? "set" : "get";
                       idHint = idHint + this.currentToken.getText();
                       memberName = TypeScript.Identifier.fromToken(this.currentToken);
                       memberName.minChar = this.scanner.startPos;
                       accessorPattern = true;
                       if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                           this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                       }
                   } else {
                       if(this.currentToken.tokenId != TypeScript.TokenID.Colon) {
                           this.reportParseError("Expected identifier, string or number as accessor name");
                       } else {
                           skippedTokenForGetSetId = true;
                           memberName = TypeScript.Identifier.fromToken(getSetTok);
                           memberName.minChar = getSetStartPos;
                           memberName.limChar = getSetPos;
                       }
                   }
               } else {
                   if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToIDName(this.currentToken)) {
                       idHint = this.currentToken.getText();
                       memberName = TypeScript.Identifier.fromToken(this.currentToken);
                       memberName.minChar = this.scanner.startPos;
                       memberName.limChar = this.scanner.pos;
                   } else {
                       if(this.currentToken.tokenId == TypeScript.TokenID.StringLiteral) {
                           idHint = this.currentToken.getText();
                           memberName = new TypeScript.StringLiteral(idHint);
                           memberName.minChar = this.scanner.startPos;
                           memberName.limChar = this.scanner.pos;
                       } else {
                           if(this.currentToken.tokenId == TypeScript.TokenID.NumberLiteral) {
                               var ntok = this.currentToken;
                               idHint = ntok.value.toString();
                               memberName = new TypeScript.StringLiteral(idHint);
                               memberName.minChar = this.scanner.startPos;
                               memberName.limChar = this.scanner.pos;
                           } else {
                               this.reportParseError("Expected identifier, string or number as member name");
                               if(this.errorRecovery) {
                                   memberName = new TypeScript.MissingIdentifier();
                                   memberName.minChar = this.scanner.startPos;
                                   memberName.flags |= TypeScript.ASTFlags.Error;
                                   this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.Comma);
                                   memberName.limChar = this.scanner.lastTokenLimChar();
                               }
                           }
                       }
                   }
               }
               if(!skippedTokenForGetSetId) {
                   this.currentToken = this.scanner.scan();
               } else {
                   skippedTokenForGetSetId = false;
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.Question) {
                   memberName.flags |= TypeScript.ASTFlags.OptionalName;
                   this.currentToken = this.scanner.scan();
               }
               if(accessorPattern) {
                   var args = new TypeScript.ASTList();
                   this.parseFormalParameterList(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, args, false, true, false, !isSet, isSet, false, null, true);
                   var funcDecl = this.parseFunctionStatements(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, memberName, false, true, args, TypeScript.AllowedElements.None, this.scanner.startPos, false, TypeScript.Modifiers.None);
                   if(isSet && funcDecl.returnTypeAnnotation) {
                       this.reportParseError("Property setters may not declare a return type");
                   }
                   funcDecl.fncFlags |= isSet ? TypeScript.FncFlags.SetAccessor : TypeScript.FncFlags.GetAccessor;
                   funcDecl.fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                   funcDecl.hint = idHint;
                   memberExpr = funcDecl;
                   member = new TypeScript.BinaryExpression(TypeScript.NodeType.Member, memberName, memberExpr);
                   member.minChar = memberName.minChar;
                   if(memberExpr.nodeType == TypeScript.NodeType.FuncDecl) {
                       var funcDecl = memberExpr;
                       funcDecl.hint = idHint;
                   }
               } else {
                   if(this.currentToken.tokenId == TypeScript.TokenID.Colon) {
                       this.currentToken = this.scanner.scan();
                       memberExpr = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, true, TypeContext.NoTypes);
                       if(memberExpr.nodeType == TypeScript.NodeType.TypeRef) {
                           this.reportParseError("Expected 'new' on array declaration in member definition");
                       }
                       member = new TypeScript.BinaryExpression(TypeScript.NodeType.Member, memberName, memberExpr);
                       member.minChar = memberName.minChar;
                       if(memberExpr.nodeType == TypeScript.NodeType.FuncDecl) {
                           var funcDecl = memberExpr;
                           funcDecl.hint = idHint;
                       }
                   } else {
                       this.reportParseError("Expected ':' in member definition");
                       if(this.errorRecovery) {
                           this.skip(errorRecoverySet);
                           elements.flags |= TypeScript.ASTFlags.Error;
                           elements.minChar = minChar;
                           elements.limChar = this.scanner.lastTokenLimChar();
                           return elements;
                       }
                   }
               }
               idHint = null;
               elements.append(member);
               member.limChar = this.scanner.lastTokenLimChar();
               if(this.currentToken.tokenId != TypeScript.TokenID.Comma) {
                   break;
               } else {
                   this.currentToken = this.scanner.scan();
               }
               if(this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) {
                   break;
               }
           }
           if(member) {
               elements.limChar = member.limChar;
           }
           elements.minChar = minChar;
           return elements;
       };
       Parser.prototype.parseArrayList = function (errorRecoverySet) {
           var elements = null;
           if(this.currentToken.tokenId == TypeScript.TokenID.CloseBracket) {
               return elements;
           } else {
               elements = new TypeScript.ASTList();
               elements.minChar = this.scanner.startPos;
           }
           var arg;
           for(; ; ) {
               if((this.currentToken.tokenId == TypeScript.TokenID.Comma) || (this.currentToken.tokenId == TypeScript.TokenID.CloseBracket)) {
                   arg = new TypeScript.AST(TypeScript.NodeType.EmptyExpr);
               } else {
                   arg = this.parseExpr(TypeScript.ErrorRecoverySet.Comma | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, true, TypeContext.NoTypes);
               }
               elements.append(arg);
               if(this.currentToken.tokenId != TypeScript.TokenID.Comma) {
                   break;
               }
               this.currentToken = this.scanner.scan();
           }
           elements.limChar = this.scanner.lastTokenLimChar();
           return elements;
       };
       Parser.prototype.parseArrayLiteral = function (errorRecoverySet) {
           var arrayLiteral = null;
           arrayLiteral = new TypeScript.UnaryExpression(TypeScript.NodeType.ArrayLit, this.parseArrayList(errorRecoverySet));
           return arrayLiteral;
       };
       Parser.prototype.parseTerm = function (errorRecoverySet, allowCall, typeContext, inCast) {
           var ast = null;
           var sawId = false;
           var inNew = false;
           var minChar = this.scanner.startPos;
           var limChar = this.scanner.pos;
           var parseAsLambda = false;
           var expectlambdaRParen = false;
           switch(this.currentToken.tokenId) {
               case TypeScript.TokenID.Number:
               case TypeScript.TokenID.Bool:
               case TypeScript.TokenID.Any:
               case TypeScript.TokenID.String: {
                   var tid = new TypeScript.Identifier(TypeScript.tokenTable[this.currentToken.tokenId].text);
                   if(TypeScript.hasFlag(typeContext, TypeContext.Primitive)) {
                       ast = new TypeScript.TypeReference(tid, 0);
                       sawId = true;
                   } else {
                       ast = tid;
                       sawId = true;
                   }
                   ast.minChar = minChar;
                   this.currentToken = this.scanner.scan();
                   limChar = this.scanner.lastTokenLimChar();
                   break;

               }
               case TypeScript.TokenID.This: {
                   ast = new TypeScript.AST(TypeScript.NodeType.This);
                   ast.minChar = minChar;
                   this.currentToken = this.scanner.scan();
                   limChar = this.scanner.lastTokenLimChar();
                   break;

               }
               case TypeScript.TokenID.Super: {
                   ast = new TypeScript.AST(TypeScript.NodeType.Super);
                   ast.minChar = minChar;
                   this.currentToken = this.scanner.scan();
                   limChar = this.scanner.lastTokenLimChar();
                   break;

               }
               case TypeScript.TokenID.True: {
                   ast = new TypeScript.AST(TypeScript.NodeType.True);
                   this.currentToken = this.scanner.scan();
                   ast.minChar = minChar;
                   break;

               }
               case TypeScript.TokenID.False: {
                   ast = new TypeScript.AST(TypeScript.NodeType.False);
                   this.currentToken = this.scanner.scan();
                   ast.minChar = minChar;
                   break;

               }
               case TypeScript.TokenID.Null: {
                   ast = new TypeScript.AST(TypeScript.NodeType.Null);
                   this.currentToken = this.scanner.scan();
                   ast.minChar = minChar;
                   break;

               }
               case TypeScript.TokenID.New: {
                   minChar = this.scanner.pos;
                   this.currentToken = this.scanner.scan();
                   var target = this.parseTerm(errorRecoverySet, false, TypeContext.AllSimpleTypes, inCast);
                   if(target.nodeType == TypeScript.NodeType.Error || (target.nodeType == TypeScript.NodeType.Index && (target).operand1.nodeType == TypeScript.NodeType.TypeRef)) {
                       this.reportParseError("Cannot invoke 'new' on this expression");
                   } else {
                       ast = new TypeScript.CallExpression(TypeScript.NodeType.New, target, null);
                       ast.minChar = minChar;
                       limChar = this.scanner.lastTokenLimChar();
                       inNew = true;
                   }
                   break;

               }
               case TypeScript.TokenID.Function: {
                   minChar = this.scanner.pos;
                   ast = this.parseFncDecl(errorRecoverySet, false, false, false, null, false, false, false, TypeScript.Modifiers.None, null, true);
                   (ast).fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                   ast.minChar = minChar;
                   limChar = this.scanner.lastTokenLimChar();
                   ast.limChar = limChar;
                   break;

               }
           }
           if(ast == null) {
               if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                   var idText = this.currentToken.getText();
                   ast = this.createRef(idText, (this.currentToken).hasEscapeSequence, minChar);
                   sawId = true;
                   ast.minChar = minChar;
                   this.currentToken = this.scanner.scan();
                   if(this.currentToken.tokenId == TypeScript.TokenID.Question) {
                       ast.flags |= TypeScript.ASTFlags.PossibleOptionalParameter;
                   }
                   limChar = this.scanner.lastTokenLimChar();
               }
           }
           if(inCast) {
               this.checkCurrentToken(TypeScript.TokenID.GreaterThan, errorRecoverySet);
           }
           if(ast == null) {
               switch(this.currentToken.tokenId) {
                   case TypeScript.TokenID.OpenParen: {
                       minChar = this.scanner.pos;
                       var prevTokId = this.scanner.previousToken().tokenId;
                       this.currentToken = this.scanner.scan();
                       var couldBeLambda = prevTokId == TypeScript.TokenID.OpenParen || prevTokId == TypeScript.TokenID.Comma || prevTokId == TypeScript.TokenID.EqualsEquals || prevTokId == TypeScript.TokenID.Colon;
                       if(couldBeLambda && this.currentToken.tokenId == TypeScript.TokenID.CloseParen) {
                           parseAsLambda = true;
                           expectlambdaRParen = false;
                           this.currentToken = this.scanner.scan();
                       } else {
                           if(couldBeLambda && this.currentToken.tokenId == TypeScript.TokenID.DotDotDot) {
                               parseAsLambda = true;
                               expectlambdaRParen = true;
                           } else {
                               ast = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes, couldBeLambda);
                               limChar = this.scanner.lastTokenLimChar();
                               parseAsLambda = couldBeLambda && (ast.nodeType == TypeScript.NodeType.Name || ast.nodeType == TypeScript.NodeType.Comma) && (this.currentToken.tokenId == TypeScript.TokenID.Colon || this.currentToken.tokenId == TypeScript.TokenID.Question);
                               expectlambdaRParen = true;
                           }
                       }
                       if((ast && !parseAsLambda)) {
                           if(TypeScript.hasFlag(ast.flags, TypeScript.ASTFlags.SkipNextRParen)) {
                               ast.flags = ast.flags & (~(TypeScript.ASTFlags.SkipNextRParen));
                               break;
                           }
                           this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet);
                           ast.isParenthesized = true;
                       }
                       break;

                   }
                   case TypeScript.TokenID.NumberLiteral: {
                       var numTok = this.currentToken;
                       this.currentToken = this.scanner.scan();
                       ast = new TypeScript.NumberLiteral(numTok.value, numTok.hasEmptyFraction);
                       ast.minChar = minChar;
                       limChar = this.scanner.lastTokenLimChar();
                       break;
                   }

                   case TypeScript.TokenID.StringLiteral: {
                       ast = new TypeScript.StringLiteral(this.currentToken.getText());
                       this.currentToken = this.scanner.scan();
                       ast.minChar = minChar;
                       limChar = this.scanner.lastTokenLimChar();
                       break;

                   }
                   case TypeScript.TokenID.RegularExpressionLiteral: {
                       var rtok = this.currentToken;
                       ast = new TypeScript.RegexLiteral(rtok.regex);
                       this.currentToken = this.scanner.scan();
                       ast.minChar = minChar;
                       limChar = this.scanner.lastTokenLimChar();
                       break;
                   }

                   case TypeScript.TokenID.OpenBracket: {
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       ast = this.parseArrayLiteral(TypeScript.ErrorRecoverySet.RBrack | errorRecoverySet);
                       ast.minChar = minChar;
                       limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseBracket, errorRecoverySet);
                       break;

                   }
                   case TypeScript.TokenID.OpenBrace: {
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       var members = this.parseMemberList(TypeScript.ErrorRecoverySet.RCurly | errorRecoverySet);
                       this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
                       ast = new TypeScript.UnaryExpression(TypeScript.NodeType.ObjectLit, members);
                       ast.minChar = minChar;
                       limChar = this.scanner.lastTokenLimChar();
                       members.minChar = minChar;
                       members.limChar = limChar;
                       break;

                   }
                   case TypeScript.TokenID.LessThan: {
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       var term = this.parseTypeReference(TypeScript.ErrorRecoverySet.BinOp, false);
                       this.checkCurrentToken(TypeScript.TokenID.GreaterThan, errorRecoverySet);
                       ast = new TypeScript.UnaryExpression(TypeScript.NodeType.TypeAssertion, this.parseExpr(errorRecoverySet, TypeScript.OperatorPrecedence.Unary, false, TypeContext.NoTypes));
                       (ast).castTerm = term;
                       break;

                   }
                   default: {
                       if(this.prevExpr && TypeScript.hasFlag(this.prevExpr.flags, TypeScript.ASTFlags.PossibleOptionalParameter)) {
                           parseAsLambda = true;
                           ast = this.prevExpr;
                       } else {
                           this.reportParseError("Check format of expression term");
                           if(this.errorRecovery) {
                               var ident = new TypeScript.MissingIdentifier();
                               ident.minChar = minChar;
                               ident.flags |= TypeScript.ASTFlags.Error;
                               this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.Postfix);
                               if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                                   ident.setText(this.currentToken.getText(), (this.currentToken).hasEscapeSequence);
                                   this.currentToken = this.scanner.scan();
                                   limChar = this.scanner.lastTokenLimChar();
                               } else {
                                   limChar = this.scanner.lastTokenLimChar();
                               }
                               ast = ident;
                           }
                       }

                   }
               }
           }
           if(parseAsLambda) {
               if(this.currentToken.tokenId == TypeScript.TokenID.Colon || this.currentToken.tokenId == TypeScript.TokenID.Comma || this.currentToken.tokenId == TypeScript.TokenID.CloseParen || this.currentToken.tokenId == TypeScript.TokenID.DotDotDot) {
                   ast = this.parseLambdaExpr(errorRecoverySet, ast, true, expectlambdaRParen);
                   ast.minChar = minChar;
                   limChar = this.scanner.lastTokenLimChar();
                   ast.limChar = limChar;
               } else {
                   if(ast) {
                       ast.isParenthesized = true;
                   }
               }
           }
           if(sawId && (typeContext != TypeContext.NoTypes)) {
               typeContext |= TypeContext.ArraySuffix;
           }
           var postFix = this.parsePostfixOperators(errorRecoverySet, ast, allowCall, inNew, typeContext, minChar, limChar);
           if(postFix) {
               if(sawId && (postFix.nodeType == TypeScript.NodeType.Index)) {
                   var binExpr = postFix;
                   if(binExpr.operand2 == null) {
                       postFix = this.convertToTypeReference(postFix);
                   }
               }
               postFix.minChar = minChar;
               postFix.limChar = TypeScript.max(postFix.limChar, this.scanner.lastTokenLimChar());
               return postFix;
           } else {
               return new TypeScript.AST(TypeScript.NodeType.Error);
           }
       };
       Parser.prototype.parseLambdaExpr = function (errorRecoverySet, lambdaArgs, skipNextRParen, expectClosingRParen) {
           var ast = this.parseFncDecl(errorRecoverySet, false, false, false, null, false, false, false, TypeScript.Modifiers.None, {
               preProcessedLambdaArgs: lambdaArgs
           }, expectClosingRParen);
           (ast).fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
           (ast).fncFlags |= TypeScript.FncFlags.IsFatArrowFunction;
           if(!skipNextRParen) {
               ast.flags |= TypeScript.ASTFlags.SkipNextRParen;
           }
           ast.limChar = this.scanner.lastTokenLimChar();
           ; ;
           return ast;
       };
       Parser.prototype.parseExpr = function (errorRecoverySet, minPrecedence, allowIn, typeContext, possiblyInLambda) {
           if (typeof possiblyInLambda === "undefined") { possiblyInLambda = false; }
           var ast = null;
           var tokenInfo = TypeScript.lookupToken(this.currentToken.tokenId);
           var canAssign = true;
           var idHint = null;
           var minChar = this.scanner.startPos;
           var preComments = this.parseComments();
           var exprIsAnonLambda = false;
           if((tokenInfo != undefined) && (tokenInfo.unopNodeType != TypeScript.NodeType.None)) {
               canAssign = false;
               this.currentToken = this.scanner.scan();
               var tempExpr = this.parseExpr(TypeScript.ErrorRecoverySet.BinOp | errorRecoverySet, tokenInfo.unopPrecedence, allowIn, TypeContext.NoTypes);
               if((tokenInfo.unopNodeType == TypeScript.NodeType.Pos) && (tempExpr.nodeType == TypeScript.NodeType.NumberLit)) {
                   ast = tempExpr;
               } else {
                   if((tokenInfo.unopNodeType == TypeScript.NodeType.Neg) && (tempExpr.nodeType == TypeScript.NodeType.NumberLit)) {
                       var numLit = tempExpr;
                       numLit.value = (-numLit.value);
                       if(numLit.value == 0) {
                           numLit.isNegativeZero = true;
                       }
                       ast = tempExpr;
                   } else {
                       ast = new TypeScript.UnaryExpression(tokenInfo.unopNodeType, tempExpr);
                       ast.limChar = tempExpr.limChar;
                   }
               }
               ast.minChar = minChar;
           } else {
               ast = this.parseTerm(TypeScript.ErrorRecoverySet.BinOp | TypeScript.ErrorRecoverySet.AddOp | errorRecoverySet, true, typeContext, false);
               var id;
               var temp;
               if(ast.nodeType == TypeScript.NodeType.Name) {
                   id = ast;
                   idHint = id.actualText;
               } else {
                   if(ast.nodeType == TypeScript.NodeType.Dot) {
                       var subsumedExpr = false;
                       if(this.inferPropertiesFromThisAssignment && (this.currentToken.tokenId == TypeScript.TokenID.Colon || this.currentToken.tokenId == TypeScript.TokenID.Equals) && this.parsingClassConstructorDefinition && this.nestingLevel == this.currentClassDefinition.constructorNestingLevel && (ast).operand1.nodeType == TypeScript.NodeType.This) {
                           if((ast).operand2.nodeType == TypeScript.NodeType.Name) {
                               var op2ID = ((ast).operand2);
                               if(!this.currentClassDefinition.knownMemberNames[op2ID.actualText]) {
                                   ast = this.parseClassMemberVariableDeclaration(op2ID, ast.minChar, true, errorRecoverySet, TypeScript.Modifiers.Public);
                                   subsumedExpr = true;
                               }
                           }
                       }
                       if(!subsumedExpr) {
                           temp = ast;
                           while(temp.nodeType == TypeScript.NodeType.Dot) {
                               var binExpr = temp;
                               temp = binExpr.operand2;
                           }
                           if(temp.nodeType == TypeScript.NodeType.Name) {
                               id = temp;
                               idHint = id.actualText;
                           }
                       }
                   }
               }
               if((!this.scanner.lastTokenHadNewline()) && ((this.currentToken.tokenId == TypeScript.TokenID.PlusPlus) || (this.currentToken.tokenId == TypeScript.TokenID.MinusMinus))) {
                   canAssign = false;
                   var operand = ast;
                   ast = new TypeScript.UnaryExpression((this.currentToken.tokenId == TypeScript.TokenID.PlusPlus) ? TypeScript.NodeType.IncPost : TypeScript.NodeType.DecPost, operand);
                   ast.limChar = this.scanner.pos;
                   ast.minChar = operand.minChar;
                   this.currentToken = this.scanner.scan();
               }
           }
           for(; ; ) {
               tokenInfo = TypeScript.lookupToken(this.currentToken.tokenId);
               if((tokenInfo == undefined) || (tokenInfo.binopNodeType == TypeScript.NodeType.None)) {
                   break;
               }
               if((!allowIn) && (tokenInfo.binopNodeType == TypeScript.NodeType.In)) {
                   break;
               }
               if(tokenInfo.binopPrecedence == TypeScript.OperatorPrecedence.Assignment) {
                   if(tokenInfo.binopPrecedence < minPrecedence) {
                       break;
                   }
                   if(!canAssign) {
                       this.reportParseError("illegal assignment");
                   }
               } else {
                   if(tokenInfo.binopPrecedence <= minPrecedence) {
                       break;
                   }
               }
               if(possiblyInLambda && this.currentToken.tokenId == TypeScript.TokenID.Comma && this.scanner.getLookAheadToken().tokenId == TypeScript.TokenID.DotDotDot) {
                   exprIsAnonLambda = true;
                   canAssign = false;
                   ast = this.parseLambdaExpr(errorRecoverySet, ast, false, true);
                   break;
               }
               this.currentToken = this.scanner.scan();
               canAssign = false;
               if(tokenInfo.binopNodeType == TypeScript.NodeType.ConditionalExpression) {
                   if(possiblyInLambda && (this.currentToken.tokenId == TypeScript.TokenID.Equals || this.currentToken.tokenId == TypeScript.TokenID.Colon || this.currentToken.tokenId == TypeScript.TokenID.CloseParen || this.currentToken.tokenId == TypeScript.TokenID.Comma)) {
                       exprIsAnonLambda = true;
                       canAssign = true;
                   } else {
                       this.prevExpr = ast;
                       var whenTrue = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.Colon, TypeScript.OperatorPrecedence.Assignment, allowIn, TypeContext.NoTypes);
                       this.prevExpr = null;
                       this.checkCurrentToken(TypeScript.TokenID.Colon, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                       var whenFalse = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.BinOp, TypeScript.OperatorPrecedence.Assignment, allowIn, TypeContext.NoTypes);
                       ast = new TypeScript.ConditionalExpression(ast, whenTrue, whenFalse);
                   }
               } else {
                   var tc = TypeContext.NoTypes;
                   var binExpr2;
                   binExpr2 = new TypeScript.BinaryExpression(tokenInfo.binopNodeType, ast, this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.BinOp, tokenInfo.binopPrecedence, allowIn, TypeContext.NoTypes, possiblyInLambda));
                   if(binExpr2.operand2.nodeType == TypeScript.NodeType.FuncDecl) {
                       var funcDecl = binExpr2.operand2;
                       funcDecl.hint = idHint;
                   }
                   binExpr2.minChar = ast.minChar;
                   binExpr2.limChar = this.scanner.lastTokenLimChar();
                   idHint = null;
                   ast = binExpr2;
               }
           }
           if(canAssign) {
               ast.flags |= TypeScript.ASTFlags.Writeable;
           }
           if(!exprIsAnonLambda) {
               ast.minChar = minChar;
               ast.limChar = TypeScript.max(ast.limChar, this.scanner.lastTokenLimChar());
               ast.preComments = preComments;
               ast.postComments = this.parseCommentsForLine(this.scanner.line);
           }
           return ast;
       };
       Parser.prototype.parsePostfixOperators = function (errorRecoverySet, ast, allowCall, inNew, typeContext, lhsMinChar, lhsLimChar) {
           var count = 0;
           if(!ast) {
               ast = new TypeScript.AST(TypeScript.NodeType.EmptyExpr);
               ast.isParenthesized = true;
           }
           ast.minChar = lhsMinChar;
           ast.limChar = lhsLimChar;
           for(; ; ) {
               switch(this.currentToken.tokenId) {
                   case TypeScript.TokenID.OpenParen: {
                       if(inNew) {
                           var callExpr = ast;
                           callExpr.arguments = this.parseArgList(errorRecoverySet);
                           inNew = false;
                       } else {
                           if(!allowCall) {
                               return ast;
                           }
                           ast = new TypeScript.CallExpression(TypeScript.NodeType.Call, ast, this.parseArgList(errorRecoverySet));
                           ast.minChar = lhsMinChar;
                       }
                       ast.limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet);
                       break;

                   }
                   case TypeScript.TokenID.OpenBracket: {
                       this.currentToken = this.scanner.scan();
                       if(this.currentToken.tokenId == TypeScript.TokenID.CloseBracket) {
                           if(TypeScript.hasFlag(typeContext, TypeContext.ArraySuffix)) {
                               this.currentToken = this.scanner.scan();
                               if(ast.nodeType == TypeScript.NodeType.TypeRef) {
                                   var typeRef = ast;
                                   typeRef.arrayCount++;
                               } else {
                                   ast = new TypeScript.BinaryExpression(TypeScript.NodeType.Index, ast, null);
                               }
                               ast.limChar = this.scanner.pos;
                               break;
                           }
                       }
                       ast = new TypeScript.BinaryExpression(TypeScript.NodeType.Index, ast, this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RBrack, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes));
                       ast.minChar = lhsMinChar;
                       ast.limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseBracket, errorRecoverySet);
                       break;

                   }
                   case TypeScript.TokenID.Dot: {
                       var name = null;
                       var curpos = this.scanner.pos;
                       this.currentToken = this.scanner.scan();
                       if (this.currentToken === undefined) {
                           this.currentToken = this.scanner.scan();
                           continue;
                       }
                       if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || ((!this.errorRecovery || !this.scanner.lastTokenHadNewline()) && TypeScript.convertTokToIDName(this.currentToken))) {
                           ast.flags |= TypeScript.ASTFlags.DotLHS;
                           name = this.createRef(this.currentToken.getText(), (this.currentToken).hasEscapeSequence, this.scanner.startPos);
                           name.limChar = this.scanner.pos;
                           this.currentToken = this.scanner.scan();
                       } else {
                           this.reportParseError("Expected identifier following dot");
                           if(this.errorRecovery) {
                               this.skip(errorRecoverySet);
                               ast.flags |= (TypeScript.ASTFlags.Error | TypeScript.ASTFlags.DotLHS);
                               return ast;
                           } else {
                               name = new TypeScript.MissingIdentifier();
                           }
                       }
                       ast = new TypeScript.BinaryExpression(TypeScript.NodeType.Dot, ast, name);
                       ast.minChar = lhsMinChar;
                       ast.limChar = this.scanner.lastTokenLimChar();
                       break;
                   }

                   case TypeScript.TokenID.EqualsGreaterThan: {
                       ast = this.parseFncDecl(errorRecoverySet, false, false, false, null, false, false, false, TypeScript.Modifiers.None, {
                           preProcessedLambdaArgs: ast
                       }, false);
                       (ast).fncFlags |= TypeScript.FncFlags.IsFunctionExpression;
                       ast.minChar = lhsMinChar;
                       ast.limChar = this.scanner.lastTokenLimChar();
                       break;

                   }
                   default: {
                       return ast;

                   }
               }
           }
       };
       Parser.prototype.parseTry = function (tryNode, errorRecoverySet, parentModifiers) {
           var minChar = this.scanner.startPos;
           var preComments = this.parseComments();
           this.currentToken = this.scanner.scan();
           if(this.currentToken.tokenId != TypeScript.TokenID.OpenBrace) {
               this.reportParseError("Expected '{'");
               if(this.errorRecovery) {
                   var etryNode = tryNode;
                   etryNode.minChar = minChar;
                   etryNode.limChar = this.scanner.lastTokenLimChar();
                   etryNode.flags |= TypeScript.ASTFlags.Error;
                   return etryNode;
               }
           }
           tryNode.body = this.parseStatement(errorRecoverySet, TypeScript.AllowedElements.None, parentModifiers);
           tryNode.minChar = minChar;
           tryNode.limChar = tryNode.body.limChar;
           tryNode.preComments = preComments;
           tryNode.postComments = this.parseComments();
           return tryNode;
       };
       Parser.prototype.parseCatch = function (errorRecoverySet, parentModifiers) {
           var catchMinChar = this.scanner.startPos;
           var preComments = this.parseComments();
           this.currentToken = this.scanner.scan();
           this.checkCurrentToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
           if((this.currentToken.tokenId != TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
               this.reportParseError("Expected identifier in catch header");
               if(this.errorRecovery) {
                   this.skip(errorRecoverySet);
                   var ecatch = new TypeScript.Catch(new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel), new TypeScript.Statement(TypeScript.NodeType.Empty));
                   ecatch.statement.minChar = catchMinChar;
                   ecatch.statement.limChar = this.scanner.pos;
                   ecatch.minChar = this.scanner.startPos;
                   ecatch.limChar = this.scanner.pos;
                   ecatch.flags |= TypeScript.ASTFlags.Error;
                   return ecatch;
               }
           }
           var param = new TypeScript.VarDecl(TypeScript.Identifier.fromToken(this.currentToken), this.nestingLevel);
           param.id.minChar = this.scanner.startPos;
           param.id.limChar = this.scanner.pos;
           param.minChar = param.id.minChar;
           param.limChar = param.id.limChar;
           this.currentToken = this.scanner.scan();
           var statementPos = this.scanner.pos;
           this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
           if(this.currentToken.tokenId != TypeScript.TokenID.OpenBrace) {
               this.reportParseError("Expected '{' to start catch body");
               if(this.errorRecovery) {
                   this.skip(errorRecoverySet);
                   var ecatch = new TypeScript.Catch(new TypeScript.VarDecl(new TypeScript.MissingIdentifier(), this.nestingLevel), new TypeScript.Statement(TypeScript.NodeType.Empty));
                   ecatch.statement.minChar = catchMinChar;
                   ecatch.statement.limChar = statementPos;
                   ecatch.minChar = this.scanner.startPos;
                   ecatch.limChar = this.scanner.pos;
                   ecatch.flags |= TypeScript.ASTFlags.Error;
                   return ecatch;
               }
           }
           var catchStmt = this.parseStatement(errorRecoverySet, TypeScript.AllowedElements.None, parentModifiers);
           var catchNode = new TypeScript.Catch(param, catchStmt);
           catchNode.statement.minChar = catchMinChar;
           catchNode.statement.limChar = statementPos;
           catchNode.minChar = catchMinChar;
           catchNode.limChar = catchStmt.limChar;
           catchNode.preComments = preComments;
           catchNode.postComments = this.parseComments();
           return catchNode;
       };
       Parser.prototype.parseFinally = function (errorRecoverySet, parentModifiers) {
           var finMinChar = this.scanner.startPos;
           var preComments = this.parseComments();
           this.currentToken = this.scanner.scan();
           if(this.currentToken.tokenId != TypeScript.TokenID.OpenBrace) {
               this.reportParseError("Expected '{' to start body of finally statement");
               if(this.errorRecovery) {
                   this.skip(errorRecoverySet);
                   var efin = new TypeScript.Finally(new TypeScript.Statement(TypeScript.NodeType.Empty));
                   efin.flags |= TypeScript.ASTFlags.Error;
                   efin.minChar = this.scanner.startPos;
                   efin.limChar = this.scanner.pos;
                   return efin;
               }
           }
           var finBody = this.parseStatement(errorRecoverySet, TypeScript.AllowedElements.None, parentModifiers);
           var fin = new TypeScript.Finally(finBody);
           fin.minChar = finMinChar;
           fin.limChar = fin.body.limChar;
           fin.preComments = preComments;
           fin.postComments = this.parseComments();
           return fin;
       };
       Parser.prototype.parseTryCatchFinally = function (errorRecoverySet, parentModifiers, labelList) {
           var tryPart = new TypeScript.Try(null);
           var tryMinChar = this.scanner.startPos;
           this.pushStmt(tryPart, labelList);
           this.parseTry(tryPart, errorRecoverySet | TypeScript.ErrorRecoverySet.Catch, parentModifiers);
           this.popStmt();
           var tc = null;
           var tf = null;
           if(this.currentToken.tokenId == TypeScript.TokenID.Catch) {
               var catchPart = this.parseCatch(errorRecoverySet | TypeScript.ErrorRecoverySet.Catch, parentModifiers);
               tc = new TypeScript.TryCatch(tryPart, catchPart);
               tc.minChar = tryPart.minChar;
               tc.limChar = catchPart.limChar;
           }
           if(this.currentToken.tokenId != TypeScript.TokenID.Finally) {
               if(tc == null) {
                   this.reportParseError("try with neither catch nor finally");
                   if(this.errorRecovery) {
                       var etf = new TypeScript.TryFinally(tryPart, new TypeScript.Finally(new TypeScript.AST(TypeScript.NodeType.Empty)));
                       etf.flags |= TypeScript.ASTFlags.Error;
                       etf.minChar = this.scanner.startPos;
                       etf.limChar = this.scanner.pos;
                       return etf;
                   }
                   return new TypeScript.TryFinally(tryPart, new TypeScript.Finally(new TypeScript.AST(TypeScript.NodeType.Empty)));
               } else {
                   return tc;
               }
           } else {
               if(tc) {
                   tryPart = tc;
               }
               var finallyPart = this.parseFinally(errorRecoverySet, parentModifiers);
               tf = new TypeScript.TryFinally(tryPart, finallyPart);
               tf.minChar = tryMinChar;
               tf.limChar = finallyPart.limChar;
               return tf;
           }
       };
       Parser.prototype.parseStatement = function (errorRecoverySet, allowedElements, parentModifiers) {
           var ast = null;
           var labelList = null;
           var astList = null;
           var temp;
           var modifiers = TypeScript.Modifiers.None;
           var minChar = this.scanner.startPos;
           var forInOk = false;
           var needTerminator = false;
           var fnOrVar = null;
           var preComments = this.parseComments();
           this.state = ParseState.StartStatement;
           function isAmbient() {
               return TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient) || TypeScript.hasFlag(parentModifiers, TypeScript.Modifiers.Ambient);
           }
           function mayNotBeExported() {
               if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                   this.reportError("Statement may not be exported");
               }
           }
           for(; ; ) {
               switch(this.currentToken.tokenId) {
                   case TypeScript.TokenID.EndOfFile: {
                       ast = new TypeScript.AST(TypeScript.NodeType.Error);
                       ast.minChar = minChar;
                       ast.limChar = this.scanner.pos;
                       break;

                   }
                   case TypeScript.TokenID.Function: {
                       if(this.parsingDeclareFile || isAmbient() || this.ambientModule) {
                           this.currentToken = this.scanner.scan();
                           fnOrVar = this.parsePropertyDeclaration(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, true, false);
                           if(fnOrVar.nodeType == TypeScript.NodeType.VarDecl) {
                               this.reportParseError("function keyword can only introduce function declaration");
                           } else {
                               if((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && ((fnOrVar).fncFlags , TypeScript.FncFlags.IsFatArrowFunction)) {
                                   needTerminator = true;
                               }
                           }
                           ast = fnOrVar;
                           if(this.parsingDeclareFile || this.ambientModule && ast.nodeType == TypeScript.NodeType.FuncDecl) {
                               (ast).fncFlags |= TypeScript.FncFlags.Exported;
                           }
                       } else {
                           ast = this.parseFncDecl(errorRecoverySet, true, false, false, null, false, false, isAmbient(), modifiers, null, true);
                           if(TypeScript.hasFlag((ast).fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                               needTerminator = true;
                           }
                           if(this.ambientModule) {
                               this.reportParseError("function declaration not permitted within ambient module");
                           }
                           if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                               (ast).fncFlags |= TypeScript.FncFlags.Exported;
                           }
                       }
                       break;

                   }
                   case TypeScript.TokenID.Module: {
                       if((allowedElements & TypeScript.AllowedElements.ModuleDeclarations) == TypeScript.AllowedElements.None) {
                           this.reportParseError("module not allowed in this context");
                           this.currentToken = this.scanner.scan();
                           ast = new TypeScript.AST(TypeScript.NodeType.Error);
                           ast.minChar = minChar;
                           ast.limChar = this.scanner.lastTokenLimChar();
                       } else {
                           ast = this.parseModuleDecl(errorRecoverySet, modifiers, preComments);
                           preComments = null;
                       }
                       break;

                   }
                   case TypeScript.TokenID.Import: {
                       if((allowedElements & TypeScript.AllowedElements.ModuleDeclarations) == TypeScript.AllowedElements.None) {
                           this.reportParseError("module not allowed in this context");
                           this.currentToken = this.scanner.scan();
                           ast = new TypeScript.AST(TypeScript.NodeType.Error);
                           ast.minChar = minChar;
                           ast.limChar = this.scanner.lastTokenLimChar();
                       } else {
                           if(TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                               this.reportParseError("export keyword not permitted on import declaration");
                           }
                           ast = this.parseImportDeclaration(errorRecoverySet, modifiers);
                           needTerminator = true;
                       }
                       break;

                   }
                   case TypeScript.TokenID.Export: {
                       if((allowedElements & TypeScript.AllowedElements.ModuleDeclarations) == TypeScript.AllowedElements.None) {
                           this.reportParseError("'export' statements are only allowed at the global and module levels");
                           this.currentToken = this.scanner.scan();
                           ast = new TypeScript.AST(TypeScript.NodeType.Error);
                           ast.minChar = minChar;
                           ast.limChar = this.scanner.lastTokenLimChar();
                       }
                       if(this.topLevel) {
                           this.hasTopLevelImportOrExport = true;
                       }
                       modifiers |= TypeScript.Modifiers.Exported;
                       this.currentToken = this.scanner.scan();
                       break;

                   }
                   case TypeScript.TokenID.Private: {
                       modifiers |= TypeScript.Modifiers.Private;
                       this.currentToken = this.scanner.scan();
                       if(this.parsingClassConstructorDefinition) {
                           if(!this.inferPropertiesFromThisAssignment) {
                               this.reportParseError("Property declarations are not permitted within constructor bodies");
                           }
                           minChar = this.scanner.pos;
                           if(this.inferPropertiesFromThisAssignment && (this.currentToken.tokenId != TypeScript.TokenID.This || (this.currentToken = this.scanner.scan()).tokenId != TypeScript.TokenID.Dot)) {
                               this.reportParseError("Expected 'this.' for property declaration");
                               this.currentToken = this.scanner.scan();
                               ast = new TypeScript.AST(TypeScript.NodeType.Error);
                               ast.minChar = minChar;
                               ast.limChar = this.scanner.lastTokenLimChar();
                           } else {
                               this.currentToken = this.scanner.scan();
                               var id = TypeScript.Identifier.fromToken(this.currentToken);
                               id.minChar = this.scanner.startPos;
                               id.limChar = this.scanner.pos;
                               this.currentToken = this.scanner.scan();
                               ast = this.parseClassMemberVariableDeclaration(id, minChar, this.parsingClassConstructorDefinition, errorRecoverySet, modifiers);
                           }
                       } else {
                           if(this.currentToken.tokenId != TypeScript.TokenID.Interface) {
                               if(this.currentToken.tokenId == TypeScript.TokenID.Get) {
                                   this.prevIDTok = this.currentToken;
                                   this.currentToken = this.scanner.scan();
                                   if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                       this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                   }
                                   if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                                       modifiers |= TypeScript.Modifiers.Getter;
                                       this.prevIDTok = null;
                                   }
                               } else {
                                   if(this.currentToken.tokenId == TypeScript.TokenID.Set) {
                                       this.prevIDTok = this.currentToken;
                                       this.currentToken = this.scanner.scan();
                                       if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                           this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                       }
                                       if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                                           modifiers |= TypeScript.Modifiers.Setter;
                                           this.prevIDTok = null;
                                       }
                                   }
                               }
                               fnOrVar = this.parsePropertyDeclaration(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, isAmbient(), false);
                               if((fnOrVar.nodeType == TypeScript.NodeType.VarDecl) || ((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && (TypeScript.hasFlag((fnOrVar).fncFlags, TypeScript.FncFlags.IsFatArrowFunction)))) {
                                   needTerminator = true;
                               }
                               ast = fnOrVar;
                           }
                       }
                       break;

                   }
                   case TypeScript.TokenID.Public: {
                       if(this.parsingClassConstructorDefinition) {
                           if(!this.inferPropertiesFromThisAssignment) {
                               this.reportParseError("Property declarations are not permitted within constructor bodies");
                           }
                           this.currentToken = this.scanner.scan();
                           minChar = this.scanner.pos;
                           modifiers |= TypeScript.Modifiers.Public;
                           if(this.inferPropertiesFromThisAssignment && (this.currentToken.tokenId != TypeScript.TokenID.This || (this.currentToken = this.scanner.scan()).tokenId != TypeScript.TokenID.Dot)) {
                               this.reportParseError("Expected 'this.' for property declaration");
                               this.currentToken = this.scanner.scan();
                               ast = new TypeScript.AST(TypeScript.NodeType.Error);
                               ast.minChar = minChar;
                               ast.limChar = this.scanner.lastTokenLimChar();
                           } else {
                               this.currentToken = this.scanner.scan();
                               var id = TypeScript.Identifier.fromToken(this.currentToken);
                               id.minChar = this.scanner.startPos;
                               id.limChar = this.scanner.pos;
                               this.currentToken = this.scanner.scan();
                               ast = this.parseClassMemberVariableDeclaration(id, minChar, this.parsingClassConstructorDefinition, errorRecoverySet, modifiers);
                           }
                       } else {
                           if((allowedElements & TypeScript.AllowedElements.Properties) == TypeScript.AllowedElements.None) {
                               this.reportParseError("'property' statements are only allowed within classes");
                               this.currentToken = this.scanner.scan();
                               ast = new TypeScript.AST(TypeScript.NodeType.Error);
                               ast.minChar = minChar;
                               ast.limChar = this.scanner.lastTokenLimChar();
                           } else {
                               modifiers |= TypeScript.Modifiers.Public;
                               this.currentToken = this.scanner.scan();
                               if(this.currentToken.tokenId == TypeScript.TokenID.Get) {
                                   this.prevIDTok = this.currentToken;
                                   this.currentToken = this.scanner.scan();
                                   if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                       this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                   }
                                   if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                                       modifiers |= TypeScript.Modifiers.Getter;
                                       this.prevIDTok = null;
                                   }
                               } else {
                                   if(this.currentToken.tokenId == TypeScript.TokenID.Set) {
                                       this.prevIDTok = this.currentToken;
                                       this.currentToken = this.scanner.scan();
                                       if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                           this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                                       }
                                       if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                                           modifiers |= TypeScript.Modifiers.Setter;
                                           this.prevIDTok = null;
                                       }
                                   }
                               }
                               fnOrVar = this.parsePropertyDeclaration(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, isAmbient(), false);
                               if((fnOrVar.nodeType == TypeScript.NodeType.VarDecl) || ((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && TypeScript.hasFlag((fnOrVar).fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                                   needTerminator = true;
                               }
                               ast = fnOrVar;
                           }
                       }
                       break;

                   }
                   case TypeScript.TokenID.Declare: {
                       if(!(allowedElements & TypeScript.AllowedElements.AmbientDeclarations)) {
                           this.reportParseError("Ambient declarations are only allowed at the top-level or module scopes");
                       }
                       if(!this.parsingDeclareFile && TypeScript.hasFlag(parentModifiers, TypeScript.Modifiers.Ambient)) {
                           this.reportParseError("Duplicate ambient declaration in this context. (Is the enclosing module or class already ambient?)");
                       }
                       modifiers |= TypeScript.Modifiers.Ambient;
                       this.currentToken = this.scanner.scan();
                       break;

                   }
                   case TypeScript.TokenID.Class: {
                       if((allowedElements & TypeScript.AllowedElements.ClassDeclarations) == TypeScript.AllowedElements.None) {
                           this.reportParseError("class not allowed in this context");
                           this.currentToken = this.scanner.scan();
                           ast = new TypeScript.AST(TypeScript.NodeType.Error);
                           ast.minChar = minChar;
                           ast.limChar = this.scanner.lastTokenLimChar();
                       } else {
                           ast = this.parseClassDecl(errorRecoverySet, minChar, modifiers);
                       }
                       break;

                   }
                   case TypeScript.TokenID.Interface: {
                       if((allowedElements & TypeScript.AllowedElements.InterfaceDeclarations) == TypeScript.AllowedElements.None) {
                           this.reportParseError("interface not allowed in this context");
                           this.currentToken = this.scanner.scan();
                           ast = new TypeScript.AST(TypeScript.NodeType.Error);
                           ast.minChar = minChar;
                           ast.limChar = this.scanner.lastTokenLimChar();
                       } else {
                           ast = this.parseInterfaceDecl(errorRecoverySet, modifiers);
                       }
                       break;

                   }
                   case TypeScript.TokenID.Var: {
                       var declAst = this.parseVariableDeclaration(errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart, modifiers, true, false);
                       if(declAst.nodeType == TypeScript.NodeType.VarDecl) {
                           ast = declAst;
                       } else {
                           ast = new TypeScript.Block(declAst, false);
                       }
                       needTerminator = true;
                       break;

                   }
                   case TypeScript.TokenID.Static: {
                       if(this.currentClassDecl == null) {
                           this.reportParseError("Statics may only be class members");
                       }
                       mayNotBeExported();
                       modifiers |= TypeScript.Modifiers.Public;
                       this.currentToken = this.scanner.scan();
                       if(this.currentToken.tokenId == TypeScript.TokenID.Get) {
                           this.prevIDTok = this.currentToken;
                           this.currentToken = this.scanner.scan();
                           if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                               this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                           }
                           if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                               modifiers |= TypeScript.Modifiers.Getter;
                               this.prevIDTok = null;
                           }
                       } else {
                           if(this.currentToken.tokenId == TypeScript.TokenID.Set) {
                               this.currentToken = this.scanner.scan();
                               if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                                   this.reportParseError("Property accessors are only available when targeting ES5 or greater");
                               }
                               if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) || TypeScript.convertTokToID(this.currentToken, this.strictMode)) {
                                   modifiers |= TypeScript.Modifiers.Setter;
                               }
                           }
                       }
                       if(isAmbient()) {
                           modifiers |= TypeScript.Modifiers.Ambient;
                       }
                       fnOrVar = this.parsePropertyDeclaration(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, modifiers, this.parsingDeclareFile || (modifiers & TypeScript.Modifiers.Ambient) != TypeScript.Modifiers.None, true);
                       var staticsList = this.topStaticsList();
                       if(staticsList && fnOrVar.nodeType == TypeScript.NodeType.VarDecl) {
                           staticsList.append(fnOrVar);
                       }
                       if(fnOrVar.nodeType == TypeScript.NodeType.VarDecl || ((fnOrVar.nodeType == TypeScript.NodeType.FuncDecl) && TypeScript.hasFlag((fnOrVar).fncFlags, TypeScript.FncFlags.IsFatArrowFunction))) {
                           needTerminator = true;
                       }
                       ast = fnOrVar;
                       break;

                   }
                   case TypeScript.TokenID.For: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("syntax error: for statement does not take modifiers");
                       }
                       minChar = this.scanner.startPos;
                       this.checkNextToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart | TypeScript.ErrorRecoverySet.Var);
                       this.state = ParseState.ForInit;
                       forInOk = true;
                       switch(this.currentToken.tokenId) {
                           case TypeScript.TokenID.Var: {
                               temp = this.parseVariableDeclaration(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.In, TypeScript.Modifiers.None, false, false);
                               break;

                           }
                           case TypeScript.TokenID.Semicolon: {
                               temp = null;
                               this.state = ParseState.ForCondStart;
                               break;

                           }
                           default: {
                               temp = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.In, TypeScript.OperatorPrecedence.None, false, TypeContext.NoTypes);
                               break;

                           }
                       }
                       this.state = ParseState.ForInitAfterVar;
                       if(this.currentToken.tokenId == TypeScript.TokenID.In) {
                           if((temp == null) || (!forInOk)) {
                               this.reportParseError("malformed for statement");
                               if(this.errorRecovery) {
                                   this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                                   ast = new TypeScript.AST(TypeScript.NodeType.Empty);
                                   ast.flags |= TypeScript.ASTFlags.Error;
                               }
                           } else {
                               this.currentToken = this.scanner.scan();
                               var forInStmt = new TypeScript.ForInStatement(temp, this.parseExpr(TypeScript.ErrorRecoverySet.RParen | errorRecoverySet, TypeScript.OperatorPrecedence.Comma, false, TypeContext.NoTypes));
                               forInStmt.limChar = this.scanner.pos;
                               forInStmt.statement.minChar = minChar;
                               forInStmt.statement.limChar = this.scanner.pos;
                               this.checkCurrentToken(TypeScript.TokenID.CloseParen, TypeScript.ErrorRecoverySet.StmtStart | errorRecoverySet);
                               this.pushStmt(forInStmt, labelList);
                               forInStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                               this.popStmt();
                               forInStmt.minChar = minChar;
                               ast = forInStmt;
                           }
                       } else {
                           var forStmt = new TypeScript.ForStatement(temp);
                           forStmt.minChar = minChar;
                           this.checkCurrentToken(TypeScript.TokenID.Semicolon, errorRecoverySet);
                           if(this.currentToken.tokenId == TypeScript.TokenID.Semicolon) {
                               forStmt.cond = null;
                           } else {
                               forStmt.cond = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                               if(this.currentToken.tokenId != TypeScript.TokenID.Semicolon) {
                                   this.skip(errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                                   ast = forStmt;
                                   ast.flags |= TypeScript.ASTFlags.Error;
                               }
                           }
                           this.currentToken = this.scanner.scan();
                           if(this.currentToken.tokenId == TypeScript.TokenID.CloseParen) {
                               forStmt.incr = null;
                           } else {
                               forStmt.incr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                           }
                           this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly);
                           this.pushStmt(forStmt, labelList);
                           forStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                           this.popStmt();
                           forStmt.limChar = forStmt.body.limChar;
                           ast = forStmt;
                       }
                       break;

                   }
                   case TypeScript.TokenID.With: {
{
                           if(TypeScript.codeGenTarget < TypeScript.CodeGenTarget.ES5) {
                               this.reportParseError("'with' statements are only available in ES5 codegen mode or better");
                           }
                           if(this.strictMode) {
                               this.reportParseError("'with' statements are not available in strict mode");
                           }
                           mayNotBeExported();
                           if(modifiers != TypeScript.Modifiers.None) {
                               this.reportParseError("'with' statement does not take modifiers");
                           }
                           minChar = this.scanner.startPos;
                           this.checkNextToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart | TypeScript.ErrorRecoverySet.Var);
                           var expr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.Colon, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                           this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly);
                           var withStmt = new TypeScript.WithStatement(expr);
                           withStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                           withStmt.minChar = minChar;
                           withStmt.limChar = withStmt.body.limChar;
                           ast = withStmt;
                       }
                       break;

                   }
                   case TypeScript.TokenID.Switch: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("'switch' statement does not take modifiers");
                       }
                       this.checkNextToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                       var switchStmt = new TypeScript.SwitchStatement(this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes));
                       switchStmt.statement.minChar = minChar;
                       switchStmt.statement.limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.LCurly);
                       var caseListMinChar = this.scanner.startPos;
                       this.checkCurrentToken(TypeScript.TokenID.OpenBrace, errorRecoverySet | TypeScript.ErrorRecoverySet.SCase);
                       switchStmt.defaultCase = null;
                       switchStmt.caseList = new TypeScript.ASTList();
                       var caseStmt = null;
                       this.pushStmt(switchStmt, labelList);
                       for(; ; ) {
                           if((this.currentToken.tokenId == TypeScript.TokenID.Case) || (this.currentToken.tokenId == TypeScript.TokenID.Default)) {
                               var isDefault = (this.currentToken.tokenId == TypeScript.TokenID.Default);
                               caseStmt = new TypeScript.CaseStatement();
                               caseStmt.minChar = this.scanner.startPos;
                               this.currentToken = this.scanner.scan();
                               if(isDefault) {
                                   switchStmt.defaultCase = caseStmt;
                               } else {
                                   caseStmt.expr = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.Colon, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                               }
                               this.checkCurrentToken(TypeScript.TokenID.Colon, errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                               caseStmt.body = new TypeScript.ASTList();
                               this.parseStatementList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, caseStmt.body, false, true, allowedElements, modifiers);
                               caseStmt.limChar = caseStmt.body.limChar;
                               switchStmt.caseList.append(caseStmt);
                           } else {
                               break;
                           }
                       }
                       switchStmt.caseList.minChar = caseListMinChar;
                       switchStmt.caseList.limChar = this.scanner.pos;
                       switchStmt.limChar = switchStmt.caseList.limChar;
                       this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
                       this.popStmt();
                       ast = switchStmt;
                       break;
                   }

                   case TypeScript.TokenID.While: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("'while' statement does not take modifiers");
                       }
                       minChar = this.scanner.startPos;
                       this.checkNextToken(TypeScript.TokenID.OpenParen, TypeScript.ErrorRecoverySet.ExprStart | errorRecoverySet);
                       var whileStmt = new TypeScript.WhileStatement(this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes));
                       whileStmt.minChar = minChar;
                       this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                       this.pushStmt(whileStmt, labelList);
                       whileStmt.body = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                       whileStmt.limChar = whileStmt.body.limChar;
                       this.popStmt();
                       ast = whileStmt;
                       break;
                   }

                   case TypeScript.TokenID.Do: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("'do' statement does not take modifiers");
                       }
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       var doStmt = new TypeScript.DoWhileStatement();
                       doStmt.minChar = minChar;
                       this.pushStmt(doStmt, labelList);
                       doStmt.body = this.parseStatement(errorRecoverySet | TypeScript.ErrorRecoverySet.While, allowedElements, parentModifiers);
                       this.popStmt();
                       doStmt.whileAST = new TypeScript.Identifier("while");
                       doStmt.whileAST.minChar = this.scanner.startPos;
                       this.checkCurrentToken(TypeScript.TokenID.While, errorRecoverySet | TypeScript.ErrorRecoverySet.LParen);
                       doStmt.whileAST.limChar = doStmt.whileAST.minChar + 5;
                       this.checkCurrentToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                       doStmt.cond = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.RParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                       doStmt.limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet);
                       ast = doStmt;
                       if(this.currentToken.tokenId == TypeScript.TokenID.Semicolon) {
                           this.currentToken = this.scanner.scan();
                       }
                       break;
                   }

                   case TypeScript.TokenID.If: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("if statement does not take modifiers");
                       }
                       minChar = this.scanner.startPos;
                       this.checkNextToken(TypeScript.TokenID.OpenParen, errorRecoverySet | TypeScript.ErrorRecoverySet.ExprStart);
                       var ifStmt = new TypeScript.IfStatement(this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.LParen, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes));
                       ifStmt.minChar = minChar;
                       ifStmt.statement.minChar = minChar;
                       ifStmt.statement.limChar = this.scanner.pos;
                       this.checkCurrentToken(TypeScript.TokenID.CloseParen, errorRecoverySet | TypeScript.ErrorRecoverySet.StmtStart);
                       this.pushStmt(ifStmt, labelList);
                       ifStmt.thenBod = this.parseStatement(TypeScript.ErrorRecoverySet.Else | errorRecoverySet, allowedElements, parentModifiers);
                       ifStmt.limChar = ifStmt.thenBod.limChar;
                       if(this.currentToken.tokenId == TypeScript.TokenID.Else) {
                           this.currentToken = this.scanner.scan();
                           ifStmt.elseBod = this.parseStatement(errorRecoverySet, allowedElements, parentModifiers);
                           ifStmt.limChar = ifStmt.elseBod.limChar;
                       }
                       this.popStmt();
                       ast = ifStmt;
                       break;
                   }

                   case TypeScript.TokenID.Try: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("try statement does not take modifiers");
                       }
                       minChar = this.scanner.startPos;
                       ast = this.parseTryCatchFinally(errorRecoverySet, parentModifiers, labelList);
                       break;
                   }

                   case TypeScript.TokenID.OpenBrace: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("block does not take modifiers");
                       }
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       var block = new TypeScript.Block(new TypeScript.ASTList(), true);
                       this.pushStmt(block, labelList);
                       this.parseStatementList(errorRecoverySet | TypeScript.ErrorRecoverySet.RCurly, block.statements, false, false, TypeScript.AllowedElements.None, modifiers);
                       this.popStmt();
                       block.statements.minChar = minChar;
                       block.statements.limChar = this.scanner.pos;
                       block.minChar = block.statements.minChar;
                       block.limChar = block.statements.limChar;
                       this.checkCurrentToken(TypeScript.TokenID.CloseBrace, errorRecoverySet);
                       ast = block;
                       break;
                   }

                   case TypeScript.TokenID.Semicolon: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("modifier can not appear here");
                       }
                       ast = new TypeScript.AST(TypeScript.NodeType.Empty);
                       this.currentToken = this.scanner.scan();
                       break;

                   }
                   case TypeScript.TokenID.Break:
                   case TypeScript.TokenID.Continue: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("modifiers can not appear before jump statement");
                       }
                       var jump = new TypeScript.Jump((this.currentToken.tokenId == TypeScript.TokenID.Break) ? TypeScript.NodeType.Break : TypeScript.NodeType.Continue);
                       this.currentToken = this.scanner.scan();
                       if((this.currentToken.tokenId == TypeScript.TokenID.Identifier) && (!this.scanner.lastTokenHadNewline())) {
                           jump.target = this.currentToken.getText();
                           this.currentToken = this.scanner.scan();
                       }
                       this.resolveJumpTarget(jump);
                       ast = jump;
                       needTerminator = true;
                       break;
                   }

                   case TypeScript.TokenID.Return: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("modifiers can not appear before return statement");
                       }
                       if(!this.inFunction) {
                           this.reportParseError("return statement outside of function body");
                       }
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       var retStmt = new TypeScript.ReturnStatement();
                       retStmt.minChar = minChar;
                       if((this.currentToken.tokenId != TypeScript.TokenID.Semicolon) && (this.currentToken.tokenId != TypeScript.TokenID.CloseBrace) && (!(this.scanner.lastTokenHadNewline()))) {
                           retStmt.returnExpression = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                       }
                       needTerminator = true;
                       retStmt.limChar = this.scanner.lastTokenLimChar();
                       ast = retStmt;
                       break;
                   }

                   case TypeScript.TokenID.Throw: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("modifiers can not appear before a throw statement");
                       }
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       if((this.currentToken.tokenId != TypeScript.TokenID.Semicolon) && (this.currentToken.tokenId != TypeScript.TokenID.CloseBrace) && (!(this.scanner.lastTokenHadNewline()))) {
                           temp = this.parseExpr(errorRecoverySet | TypeScript.ErrorRecoverySet.SColon, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                       } else {
                           this.reportParseError("throw with no target");
                           temp = null;
                       }
                       ast = new TypeScript.UnaryExpression(TypeScript.NodeType.Throw, temp);
                       ast.limChar = this.scanner.lastTokenLimChar();
                       needTerminator = true;
                       break;

                   }
                   case TypeScript.TokenID.Enum: {
                       this.currentToken = this.scanner.scan();
                       ast = this.parseEnumDecl(errorRecoverySet, modifiers);
                       ast.minChar = minChar;
                       ast.limChar = this.scanner.lastTokenLimChar();
                       if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Ambient)) {
                           (ast).modFlags |= TypeScript.ModuleFlags.Ambient;
                       }
                       if(this.parsingDeclareFile || this.ambientModule || TypeScript.hasFlag(modifiers, TypeScript.Modifiers.Exported)) {
                           (ast).modFlags |= TypeScript.ModuleFlags.Exported;
                       }
                       break;

                   }
                   case TypeScript.TokenID.Debugger: {
                       mayNotBeExported();
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("modifiers can not appear before debugger statement");
                       }
                       minChar = this.scanner.startPos;
                       this.currentToken = this.scanner.scan();
                       var debuggerStmt = new TypeScript.DebuggerStatement();
                       debuggerStmt.minChar = minChar;
                       needTerminator = true;
                       debuggerStmt.limChar = this.scanner.lastTokenLimChar();
                       ast = debuggerStmt;
                       break;

                   }
                   default: {
                       if(modifiers != TypeScript.Modifiers.None) {
                           this.reportParseError("modifiers can not appear before an expression statement or label");
                       }
                       minChar = this.scanner.startPos;
                       var svPos = this.scanner.pos;
                       temp = this.parseExpr(TypeScript.ErrorRecoverySet.Colon | TypeScript.ErrorRecoverySet.StmtStart | errorRecoverySet, TypeScript.OperatorPrecedence.None, true, TypeContext.NoTypes);
                       if(this.scanner.pos == svPos) {
                           this.currentToken = this.scanner.scan();
                           ast = temp;
                       } else {
                           if((this.currentToken.tokenId == TypeScript.TokenID.Colon) && (!this.scanner.lastTokenHadNewline()) && temp && (temp.nodeType == TypeScript.NodeType.Name)) {
                               if(labelList == null) {
                                   labelList = new TypeScript.ASTList();
                               }
                               labelList.append(new TypeScript.Label(temp));
                               this.currentToken = this.scanner.scan();
                           } else {
                               ast = temp;
                               needTerminator = true;
                           }
                       }

                   }
               }
               if(ast) {
                   break;
               }
           }
           if(needTerminator) {
               switch(this.currentToken.tokenId) {
                   case TypeScript.TokenID.Semicolon: {
                       this.currentToken = this.scanner.scan();
                       ast.flags |= TypeScript.ASTFlags.ExplicitSemicolon;
                       break;

                   }
                   case TypeScript.TokenID.EndOfFile: {
                       ast.limChar = this.scanner.pos;

                   }
                   case TypeScript.TokenID.CloseBrace: {
                       ast.flags |= TypeScript.ASTFlags.AutomaticSemicolon;
                       if(this.style_requireSemi) {
                           this.reportParseStyleError("no automatic semicolon");
                       }
                       break;

                   }
                   default: {
                       if(!this.scanner.lastTokenHadNewline()) {
                           this.reportParseError("Expected ';'");
                       } else {
                           ast.flags |= TypeScript.ASTFlags.AutomaticSemicolon;
                           if(this.style_requireSemi) {
                               this.reportParseStyleError("no automatic semicolon");
                           }
                       }
                       break;

                   }
               }
           }
           if(labelList) {
               ast = new TypeScript.LabeledStatement(labelList, ast);
           }
           ast.minChar = minChar;
           ast.limChar = TypeScript.max(ast.limChar, this.scanner.lastTokenLimChar());
           if(preComments) {
               ast.preComments = preComments;
           }
           if(this.ambientModule && (!this.okAmbientModuleMember(ast))) {
               this.reportParseError("statement not permitted within ambient module");
           }
           ast.flags |= TypeScript.ASTFlags.IsStatement;
           return ast;
       };
       Parser.prototype.okAmbientModuleMember = function (ast) {
           var nt = ast.nodeType;
           return (nt == TypeScript.NodeType.ClassDeclaration) || (nt == TypeScript.NodeType.ImportDeclaration) || (nt == TypeScript.NodeType.InterfaceDeclaration) || (nt == TypeScript.NodeType.ModuleDeclaration) || (nt == TypeScript.NodeType.Empty) || (nt == TypeScript.NodeType.VarDecl) || ((nt == TypeScript.NodeType.Block) && !(ast).isStatementBlock) || ((nt == TypeScript.NodeType.FuncDecl) && ((ast).isMethod()));
       };
       Parser.prototype.parseStatementList = function (errorRecoverySet, statements, sourceElms, noLeadingCase, allowedElements, parentModifiers) {
           var directivePrologue = sourceElms;
           statements.minChar = this.scanner.startPos;
           var limChar = this.scanner.pos;
           var innerStmts = (allowedElements & TypeScript.AllowedElements.ModuleDeclarations) == TypeScript.AllowedElements.None;
           var classNope = (allowedElements & TypeScript.AllowedElements.ClassDeclarations) == TypeScript.AllowedElements.None;
           errorRecoverySet |= TypeScript.ErrorRecoverySet.TypeScriptS | TypeScript.ErrorRecoverySet.RCurly;
           this.state = ParseState.StartStatementList;
           var oldStrictMode = this.strictMode;
           this.nestingLevel++;
           for(; ; ) {
               if((this.currentToken.tokenId == TypeScript.TokenID.CloseBrace) || (noLeadingCase && ((this.currentToken.tokenId == TypeScript.TokenID.Case) || (this.currentToken.tokenId == TypeScript.TokenID.Default))) || (innerStmts && (this.currentToken.tokenId == TypeScript.TokenID.Export)) || (classNope && (this.currentToken.tokenId == TypeScript.TokenID.Class)) || (this.currentToken.tokenId == TypeScript.TokenID.EndOfFile)) {
                   this.state = ParseState.EndStmtList;
                   statements.limChar = limChar;
                   if(statements.members.length == 0) {
                       statements.preComments = this.parseComments();
                   } else {
                       statements.postComments = this.parseComments();
                   }
                   this.strictMode = oldStrictMode;
                   this.nestingLevel--;
                   return;
               }
               var stmt = this.parseStatement(errorRecoverySet & (~(TypeScript.ErrorRecoverySet.Else | TypeScript.ErrorRecoverySet.RParen | TypeScript.ErrorRecoverySet.Catch | TypeScript.ErrorRecoverySet.Colon)), allowedElements, parentModifiers);
               if(stmt) {
                   stmt.postComments = this.combineComments(stmt.postComments, this.parseCommentsForLine(this.scanner.prevLine));
                   statements.append(stmt);
                   limChar = stmt.limChar;
                   if(directivePrologue) {
                       if(stmt.nodeType == TypeScript.NodeType.QString) {
                           var qstring = stmt;
                           if(qstring.text == "\"use strict\"") {
                               statements.flags |= TypeScript.ASTFlags.StrictMode;
                               this.strictMode = true;
                           } else {
                               directivePrologue = false;
                           }
                       } else {
                           directivePrologue = false;
                       }
                   }
               }
           }
       };
       Parser.prototype.quickParse = function (sourceText, filename, unitIndex) {
           var svGenTarget = TypeScript.moduleGenTarget;
           try  {
               TypeScript.moduleGenTarget = TypeScript.ModuleGenTarget.Local;
               var script = this.parse(sourceText, filename, unitIndex, TypeScript.AllowedElements.QuickParse);
               return new QuickParseResult(script, this.scanner.lexState);
           }finally {
               TypeScript.moduleGenTarget = svGenTarget;
           }
       };
       Parser.prototype.parse = function (sourceText, filename, unitIndex, allowedElements) {
           if (typeof allowedElements === "undefined") { allowedElements = TypeScript.AllowedElements.Global; }
           var _this = this;
           this.ambientModule = false;
           this.topLevel = true;
           this.hasTopLevelImportOrExport = false;
           this.requiresExtendsBlock = false;
           this.fname = filename;
           this.currentUnitIndex = unitIndex;
           this.amdDependencies = [];
           this.scanner.resetComments();
           this.scanner.setErrorHandler(function (message) {
               return _this.reportParseError(message);
           });
           this.scanner.setSourceText(sourceText, TypeScript.LexMode.File);
           var leftCurlyCount = this.scanner.leftCurlyCount;
           var rightCurlyCount = this.scanner.rightCurlyCount;
           var minChar = this.scanner.pos;
           this.currentToken = this.scanner.scan();
           this.pushDeclLists();
           var bod = new TypeScript.ASTList();
           bod.minChar = minChar;
           this.state = ParseState.StartScript;
           this.parsingDeclareFile = TypeScript.isDSTRFile(filename) || TypeScript.isDTSFile(filename);
           while(true) {
               this.parseStatementList(TypeScript.ErrorRecoverySet.EOF | TypeScript.ErrorRecoverySet.Func, bod, true, false, allowedElements, TypeScript.Modifiers.None);
               if(this.currentToken.tokenId === TypeScript.TokenID.EndOfFile) {
                   break;
               }
               var badToken = TypeScript.tokenTable[this.currentToken.tokenId];
               this.reportParseError("Unexpected statement block terminator '" + badToken.text + "'");
               this.currentToken = this.scanner.scan();
           }
           this.state = ParseState.EndScript;
           bod.limChar = this.scanner.pos;
           var topLevelMod = null;
           if(TypeScript.moduleGenTarget != TypeScript.ModuleGenTarget.Local && this.hasTopLevelImportOrExport) {
               var correctedFileName = TypeScript.switchToForwardSlashes(filename);
               var id = new TypeScript.Identifier(correctedFileName);
               topLevelMod = new TypeScript.ModuleDeclaration(id, bod, this.topVarList(), this.topScopeList(), null);
               topLevelMod.modFlags |= TypeScript.ModuleFlags.IsDynamic;
               topLevelMod.modFlags |= TypeScript.ModuleFlags.IsWholeFile;
               topLevelMod.modFlags |= TypeScript.ModuleFlags.Exported;
               if(this.parsingDeclareFile) {
                   topLevelMod.modFlags |= TypeScript.ModuleFlags.Ambient;
               }
               topLevelMod.minChar = minChar;
               topLevelMod.limChar = this.scanner.pos;
               topLevelMod.prettyName = TypeScript.getPrettyName(correctedFileName);
               topLevelMod.containsUnicodeChar = this.scanner.seenUnicodeChar;
               topLevelMod.containsUnicodeCharInComment = this.scanner.seenUnicodeCharInComment;
               topLevelMod.amdDependencies = this.amdDependencies;
               bod = new TypeScript.ASTList();
               bod.minChar = topLevelMod.minChar;
               bod.limChar = topLevelMod.limChar;
               bod.append(topLevelMod);
           }
           var script = new TypeScript.Script(this.topVarList(), this.topScopeList());
           script.bod = bod;
           this.popDeclLists();
           script.minChar = minChar;
           script.limChar = this.scanner.pos;
           script.locationInfo = new TypeScript.LocationInfo(filename, this.scanner.lineMap, unitIndex);
           script.leftCurlyCount = this.scanner.leftCurlyCount - leftCurlyCount;
           script.rightCurlyCount = this.scanner.rightCurlyCount - rightCurlyCount;
           script.isDeclareFile = this.parsingDeclareFile;
           script.topLevelMod = topLevelMod;
           script.containsUnicodeChar = this.scanner.seenUnicodeChar;
           script.containsUnicodeCharInComment = this.scanner.seenUnicodeCharInComment;
           script.requiresExtendsBlock = this.requiresExtendsBlock;
           return script;
       };
       return Parser;
   })();
   TypeScript.Parser = Parser;    
   function quickParse(logger, scopeStartAST, sourceText, minChar, limChar, errorCapture) {
       var fragment = sourceText.getText(minChar, limChar);
       logger.log("Quick parse range (" + minChar + "," + limChar + "): \"" + TypeScript.stringToLiteral(fragment, 100) + "\"");
       var quickParser = new Parser();
       quickParser.setErrorRecovery(null);
       quickParser.errorCallback = errorCapture;
       var quickClassDecl = new TypeScript.ClassDeclaration(null, null, null, null);
       quickParser.currentClassDecl = quickClassDecl;
       var result = quickParser.quickParse(new TypeScript.StringSourceText(fragment), "", 0);
       return result;
   }
   TypeScript.quickParse = quickParse;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var PrintContext = (function () {
       function PrintContext(outfile, parser) {
           this.outfile = outfile;
           this.parser = parser;
           this.builder = "";
           this.indent1 = "  ";
           this.indentStrings = [];
           this.indentAmt = 0;
       }
       PrintContext.prototype.increaseIndent = function () {
           this.indentAmt++;
       };
       PrintContext.prototype.decreaseIndent = function () {
           this.indentAmt--;
       };
       PrintContext.prototype.startLine = function () {
           if(this.builder.length > 0) {
               TypeScript.CompilerDiagnostics.Alert(this.builder);
           }
           var indentString = this.indentStrings[this.indentAmt];
           if(indentString === undefined) {
               indentString = "";
               for(var i = 0; i < this.indentAmt; i++) {
                   indentString += this.indent1;
               }
               this.indentStrings[this.indentAmt] = indentString;
           }
           this.builder += indentString;
       };
       PrintContext.prototype.write = function (s) {
           this.builder += s;
       };
       PrintContext.prototype.writeLine = function (s) {
           this.builder += s;
           this.outfile.WriteLine(this.builder);
           this.builder = "";
       };
       return PrintContext;
   })();
   TypeScript.PrintContext = PrintContext;    
   function prePrintAST(ast, parent, walker) {
       var pc = walker.state;
       ast.print(pc);
       pc.increaseIndent();
       return ast;
   }
   TypeScript.prePrintAST = prePrintAST;
   function postPrintAST(ast, parent, walker) {
       var pc = walker.state;
       pc.decreaseIndent();
       return ast;
   }
   TypeScript.postPrintAST = postPrintAST;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   TypeScript.LexEOF = (-1);
   TypeScript.LexCodeNWL = 10;
   TypeScript.LexCodeRET = 13;
   TypeScript.LexCodeLS = 8232;
   TypeScript.LexCodePS = 8233;
   TypeScript.LexCodeTAB = 9;
   TypeScript.LexCodeVTAB = 11;
   TypeScript.LexCode_e = 'e'.charCodeAt(0);
   TypeScript.LexCode_E = 'E'.charCodeAt(0);
   TypeScript.LexCode_x = 'x'.charCodeAt(0);
   TypeScript.LexCode_X = 'X'.charCodeAt(0);
   TypeScript.LexCode_a = 'a'.charCodeAt(0);
   TypeScript.LexCode_A = 'A'.charCodeAt(0);
   TypeScript.LexCode_f = 'f'.charCodeAt(0);
   TypeScript.LexCode_F = 'F'.charCodeAt(0);
   TypeScript.LexCode_g = 'g'.charCodeAt(0);
   TypeScript.LexCode_m = 'm'.charCodeAt(0);
   TypeScript.LexCode_i = 'i'.charCodeAt(0);
   TypeScript.LexCode_u = 'u'.charCodeAt(0);
   TypeScript.LexCode_0 = '0'.charCodeAt(0);
   TypeScript.LexCode_9 = '9'.charCodeAt(0);
   TypeScript.LexCode_8 = '8'.charCodeAt(0);
   TypeScript.LexCode_7 = '7'.charCodeAt(0);
   TypeScript.LexCodeBSL = '\\'.charCodeAt(0);
   TypeScript.LexCodeSHP = '#'.charCodeAt(0);
   TypeScript.LexCodeBNG = '!'.charCodeAt(0);
   TypeScript.LexCodeQUO = '"'.charCodeAt(0);
   TypeScript.LexCodeAPO = '\''.charCodeAt(0);
   TypeScript.LexCodePCT = '%'.charCodeAt(0);
   TypeScript.LexCodeAMP = '&'.charCodeAt(0);
   TypeScript.LexCodeLPR = '('.charCodeAt(0);
   TypeScript.LexCodeRPR = ')'.charCodeAt(0);
   TypeScript.LexCodePLS = '+'.charCodeAt(0);
   TypeScript.LexCodeMIN = '-'.charCodeAt(0);
   TypeScript.LexCodeMUL = '*'.charCodeAt(0);
   TypeScript.LexCodeSLH = '/'.charCodeAt(0);
   TypeScript.LexCodeXOR = '^'.charCodeAt(0);
   TypeScript.LexCodeCMA = ','.charCodeAt(0);
   TypeScript.LexCodeDOT = '.'.charCodeAt(0);
   TypeScript.LexCodeLT = '<'.charCodeAt(0);
   TypeScript.LexCodeEQ = '='.charCodeAt(0);
   TypeScript.LexCodeGT = '>'.charCodeAt(0);
   TypeScript.LexCodeQUE = '?'.charCodeAt(0);
   TypeScript.LexCodeLBR = '['.charCodeAt(0);
   TypeScript.LexCodeRBR = ']'.charCodeAt(0);
   TypeScript.LexCodeUSC = '_'.charCodeAt(0);
   TypeScript.LexCodeLC = '{'.charCodeAt(0);
   TypeScript.LexCodeRC = '}'.charCodeAt(0);
   TypeScript.LexCodeBAR = '|'.charCodeAt(0);
   TypeScript.LexCodeTIL = '~'.charCodeAt(0);
   TypeScript.LexCodeCOL = ':'.charCodeAt(0);
   TypeScript.LexCodeSMC = ';'.charCodeAt(0);
   TypeScript.LexCodeUnderscore = '_'.charCodeAt(0);
   TypeScript.LexCodeDollar = '$'.charCodeAt(0);
   TypeScript.LexCodeSpace = 32;
   TypeScript.LexCodeAtSign = '@'.charCodeAt(0);
   TypeScript.LexCodeASCIIChars = 128;
   TypeScript.LexKeywordTable = undefined;
   var autoToken = new Array(TypeScript.LexCodeASCIIChars);
   var lexIdStartTable = new Array(TypeScript.LexCodeASCIIChars);
   var unicodeES3IdStart = [
       170, 
       170, 
       181, 
       181, 
       186, 
       186, 
       192, 
       214, 
       216, 
       246, 
       248, 
       543, 
       546, 
       563, 
       592, 
       685, 
       688, 
       696, 
       699, 
       705, 
       720, 
       721, 
       736, 
       740, 
       750, 
       750, 
       890, 
       890, 
       902, 
       902, 
       904, 
       906, 
       908, 
       908, 
       910, 
       929, 
       931, 
       974, 
       976, 
       983, 
       986, 
       1011, 
       1024, 
       1153, 
       1164, 
       1220, 
       1223, 
       1224, 
       1227, 
       1228, 
       1232, 
       1269, 
       1272, 
       1273, 
       1329, 
       1366, 
       1369, 
       1369, 
       1377, 
       1415, 
       1488, 
       1514, 
       1520, 
       1522, 
       1569, 
       1594, 
       1600, 
       1610, 
       1649, 
       1747, 
       1749, 
       1749, 
       1765, 
       1766, 
       1786, 
       1788, 
       1808, 
       1808, 
       1810, 
       1836, 
       1920, 
       1957, 
       2309, 
       2361, 
       2365, 
       2365, 
       2384, 
       2384, 
       2392, 
       2401, 
       2437, 
       2444, 
       2447, 
       2448, 
       2451, 
       2472, 
       2474, 
       2480, 
       2482, 
       2482, 
       2486, 
       2489, 
       2524, 
       2525, 
       2527, 
       2529, 
       2544, 
       2545, 
       2565, 
       2570, 
       2575, 
       2576, 
       2579, 
       2600, 
       2602, 
       2608, 
       2610, 
       2611, 
       2613, 
       2614, 
       2616, 
       2617, 
       2649, 
       2652, 
       2654, 
       2654, 
       2674, 
       2676, 
       2693, 
       2699, 
       2701, 
       2701, 
       2703, 
       2705, 
       2707, 
       2728, 
       2730, 
       2736, 
       2738, 
       2739, 
       2741, 
       2745, 
       2749, 
       2749, 
       2768, 
       2768, 
       2784, 
       2784, 
       2821, 
       2828, 
       2831, 
       2832, 
       2835, 
       2856, 
       2858, 
       2864, 
       2866, 
       2867, 
       2870, 
       2873, 
       2877, 
       2877, 
       2908, 
       2909, 
       2911, 
       2913, 
       2949, 
       2954, 
       2958, 
       2960, 
       2962, 
       2965, 
       2969, 
       2970, 
       2972, 
       2972, 
       2974, 
       2975, 
       2979, 
       2980, 
       2984, 
       2986, 
       2990, 
       2997, 
       2999, 
       3001, 
       3077, 
       3084, 
       3086, 
       3088, 
       3090, 
       3112, 
       3114, 
       3123, 
       3125, 
       3129, 
       3168, 
       3169, 
       3205, 
       3212, 
       3214, 
       3216, 
       3218, 
       3240, 
       3242, 
       3251, 
       3253, 
       3257, 
       3294, 
       3294, 
       3296, 
       3297, 
       3333, 
       3340, 
       3342, 
       3344, 
       3346, 
       3368, 
       3370, 
       3385, 
       3424, 
       3425, 
       3461, 
       3478, 
       3482, 
       3505, 
       3507, 
       3515, 
       3517, 
       3517, 
       3520, 
       3526, 
       3585, 
       3632, 
       3634, 
       3635, 
       3648, 
       3654, 
       3713, 
       3714, 
       3716, 
       3716, 
       3719, 
       3720, 
       3722, 
       3722, 
       3725, 
       3725, 
       3732, 
       3735, 
       3737, 
       3743, 
       3745, 
       3747, 
       3749, 
       3749, 
       3751, 
       3751, 
       3754, 
       3755, 
       3757, 
       3760, 
       3762, 
       3763, 
       3773, 
       3773, 
       3776, 
       3780, 
       3782, 
       3782, 
       3804, 
       3805, 
       3840, 
       3840, 
       3904, 
       3911, 
       3913, 
       3946, 
       3976, 
       3979, 
       4096, 
       4129, 
       4131, 
       4135, 
       4137, 
       4138, 
       4176, 
       4181, 
       4256, 
       4293, 
       4304, 
       4342, 
       4352, 
       4441, 
       4447, 
       4514, 
       4520, 
       4601, 
       4608, 
       4614, 
       4616, 
       4678, 
       4680, 
       4680, 
       4682, 
       4685, 
       4688, 
       4694, 
       4696, 
       4696, 
       4698, 
       4701, 
       4704, 
       4742, 
       4744, 
       4744, 
       4746, 
       4749, 
       4752, 
       4782, 
       4784, 
       4784, 
       4786, 
       4789, 
       4792, 
       4798, 
       4800, 
       4800, 
       4802, 
       4805, 
       4808, 
       4814, 
       4816, 
       4822, 
       4824, 
       4846, 
       4848, 
       4878, 
       4880, 
       4880, 
       4882, 
       4885, 
       4888, 
       4894, 
       4896, 
       4934, 
       4936, 
       4954, 
       5024, 
       5108, 
       5121, 
       5740, 
       5743, 
       5750, 
       5761, 
       5786, 
       5792, 
       5866, 
       6016, 
       6067, 
       6176, 
       6263, 
       6272, 
       6312, 
       7680, 
       7835, 
       7840, 
       7929, 
       7936, 
       7957, 
       7960, 
       7965, 
       7968, 
       8005, 
       8008, 
       8013, 
       8016, 
       8023, 
       8025, 
       8025, 
       8027, 
       8027, 
       8029, 
       8029, 
       8031, 
       8061, 
       8064, 
       8116, 
       8118, 
       8124, 
       8126, 
       8126, 
       8130, 
       8132, 
       8134, 
       8140, 
       8144, 
       8147, 
       8150, 
       8155, 
       8160, 
       8172, 
       8178, 
       8180, 
       8182, 
       8188, 
       8319, 
       8319, 
       8450, 
       8450, 
       8455, 
       8455, 
       8458, 
       8467, 
       8469, 
       8469, 
       8473, 
       8477, 
       8484, 
       8484, 
       8486, 
       8486, 
       8488, 
       8488, 
       8490, 
       8493, 
       8495, 
       8497, 
       8499, 
       8505, 
       8544, 
       8579, 
       12293, 
       12295, 
       12321, 
       12329, 
       12337, 
       12341, 
       12344, 
       12346, 
       12353, 
       12436, 
       12445, 
       12446, 
       12449, 
       12538, 
       12540, 
       12542, 
       12549, 
       12588, 
       12593, 
       12686, 
       12704, 
       12727, 
       13312, 
       13312, 
       19893, 
       19893, 
       19968, 
       19968, 
       40869, 
       40869, 
       40960, 
       42124, 
       44032, 
       44032, 
       55203, 
       55203, 
       63744, 
       64045, 
       64256, 
       64262, 
       64275, 
       64279, 
       64285, 
       64285, 
       64287, 
       64296, 
       64298, 
       64310, 
       64312, 
       64316, 
       64318, 
       64318, 
       64320, 
       64321, 
       64323, 
       64324, 
       64326, 
       64433, 
       64467, 
       64829, 
       64848, 
       64911, 
       64914, 
       64967, 
       65008, 
       65019, 
       65136, 
       65138, 
       65140, 
       65140, 
       65142, 
       65276, 
       65313, 
       65338, 
       65345, 
       65370, 
       65382, 
       65470, 
       65474, 
       65479, 
       65482, 
       65487, 
       65490, 
       65495, 
       65498, 
       65500
   ];
   var unicodeES3IdCont = [
       768, 
       846, 
       864, 
       866, 
       1155, 
       1158, 
       1425, 
       1441, 
       1443, 
       1465, 
       1467, 
       1469, 
       1471, 
       1471, 
       1473, 
       1474, 
       1476, 
       1476, 
       1611, 
       1621, 
       1632, 
       1641, 
       1648, 
       1648, 
       1750, 
       1756, 
       1759, 
       1764, 
       1767, 
       1768, 
       1770, 
       1773, 
       1776, 
       1785, 
       1809, 
       1809, 
       1840, 
       1866, 
       1958, 
       1968, 
       2305, 
       2307, 
       2364, 
       2364, 
       2366, 
       2381, 
       2385, 
       2388, 
       2402, 
       2403, 
       2406, 
       2415, 
       2433, 
       2435, 
       2492, 
       2492, 
       2494, 
       2500, 
       2503, 
       2504, 
       2507, 
       2509, 
       2519, 
       2519, 
       2530, 
       2531, 
       2534, 
       2543, 
       2562, 
       2562, 
       2620, 
       2620, 
       2622, 
       2626, 
       2631, 
       2632, 
       2635, 
       2637, 
       2662, 
       2673, 
       2689, 
       2691, 
       2748, 
       2748, 
       2750, 
       2757, 
       2759, 
       2761, 
       2763, 
       2765, 
       2790, 
       2799, 
       2817, 
       2819, 
       2876, 
       2876, 
       2878, 
       2883, 
       2887, 
       2888, 
       2891, 
       2893, 
       2902, 
       2903, 
       2918, 
       2927, 
       2946, 
       2947, 
       3006, 
       3010, 
       3014, 
       3016, 
       3018, 
       3021, 
       3031, 
       3031, 
       3047, 
       3055, 
       3073, 
       3075, 
       3134, 
       3140, 
       3142, 
       3144, 
       3146, 
       3149, 
       3157, 
       3158, 
       3174, 
       3183, 
       3202, 
       3203, 
       3262, 
       3268, 
       3270, 
       3272, 
       3274, 
       3277, 
       3285, 
       3286, 
       3302, 
       3311, 
       3330, 
       3331, 
       3390, 
       3395, 
       3398, 
       3400, 
       3402, 
       3405, 
       3415, 
       3415, 
       3430, 
       3439, 
       3458, 
       3459, 
       3530, 
       3530, 
       3535, 
       3540, 
       3542, 
       3542, 
       3544, 
       3551, 
       3570, 
       3571, 
       3633, 
       3633, 
       3636, 
       3642, 
       3655, 
       3662, 
       3664, 
       3673, 
       3761, 
       3761, 
       3764, 
       3769, 
       3771, 
       3772, 
       3784, 
       3789, 
       3792, 
       3801, 
       3864, 
       3865, 
       3872, 
       3881, 
       3893, 
       3893, 
       3895, 
       3895, 
       3897, 
       3897, 
       3902, 
       3903, 
       3953, 
       3972, 
       3974, 
       3975, 
       3984, 
       3991, 
       3993, 
       4028, 
       4038, 
       4038, 
       4140, 
       4146, 
       4150, 
       4153, 
       4160, 
       4169, 
       4182, 
       4185, 
       4969, 
       4977, 
       6068, 
       6099, 
       6112, 
       6121, 
       6160, 
       6169, 
       6313, 
       6313, 
       8255, 
       8256, 
       8400, 
       8412, 
       8417, 
       8417, 
       12330, 
       12335, 
       12441, 
       12442, 
       12539, 
       12539, 
       64286, 
       64286, 
       65056, 
       65059, 
       65075, 
       65076, 
       65101, 
       65103, 
       65296, 
       65305, 
       65343, 
       65343, 
       65381, 
       65381
   ];
   var unicodeES5IdStart = [
       170, 
       170, 
       181, 
       181, 
       186, 
       186, 
       192, 
       214, 
       216, 
       246, 
       248, 
       705, 
       710, 
       721, 
       736, 
       740, 
       748, 
       748, 
       750, 
       750, 
       880, 
       884, 
       886, 
       887, 
       890, 
       893, 
       902, 
       902, 
       904, 
       906, 
       908, 
       908, 
       910, 
       929, 
       931, 
       1013, 
       1015, 
       1153, 
       1162, 
       1319, 
       1329, 
       1366, 
       1369, 
       1369, 
       1377, 
       1415, 
       1488, 
       1514, 
       1520, 
       1522, 
       1568, 
       1610, 
       1646, 
       1647, 
       1649, 
       1747, 
       1749, 
       1749, 
       1765, 
       1766, 
       1774, 
       1775, 
       1786, 
       1788, 
       1791, 
       1791, 
       1808, 
       1808, 
       1810, 
       1839, 
       1869, 
       1957, 
       1969, 
       1969, 
       1994, 
       2026, 
       2036, 
       2037, 
       2042, 
       2042, 
       2048, 
       2069, 
       2074, 
       2074, 
       2084, 
       2084, 
       2088, 
       2088, 
       2112, 
       2136, 
       2208, 
       2208, 
       2210, 
       2220, 
       2308, 
       2361, 
       2365, 
       2365, 
       2384, 
       2384, 
       2392, 
       2401, 
       2417, 
       2423, 
       2425, 
       2431, 
       2437, 
       2444, 
       2447, 
       2448, 
       2451, 
       2472, 
       2474, 
       2480, 
       2482, 
       2482, 
       2486, 
       2489, 
       2493, 
       2493, 
       2510, 
       2510, 
       2524, 
       2525, 
       2527, 
       2529, 
       2544, 
       2545, 
       2565, 
       2570, 
       2575, 
       2576, 
       2579, 
       2600, 
       2602, 
       2608, 
       2610, 
       2611, 
       2613, 
       2614, 
       2616, 
       2617, 
       2649, 
       2652, 
       2654, 
       2654, 
       2674, 
       2676, 
       2693, 
       2701, 
       2703, 
       2705, 
       2707, 
       2728, 
       2730, 
       2736, 
       2738, 
       2739, 
       2741, 
       2745, 
       2749, 
       2749, 
       2768, 
       2768, 
       2784, 
       2785, 
       2821, 
       2828, 
       2831, 
       2832, 
       2835, 
       2856, 
       2858, 
       2864, 
       2866, 
       2867, 
       2869, 
       2873, 
       2877, 
       2877, 
       2908, 
       2909, 
       2911, 
       2913, 
       2929, 
       2929, 
       2947, 
       2947, 
       2949, 
       2954, 
       2958, 
       2960, 
       2962, 
       2965, 
       2969, 
       2970, 
       2972, 
       2972, 
       2974, 
       2975, 
       2979, 
       2980, 
       2984, 
       2986, 
       2990, 
       3001, 
       3024, 
       3024, 
       3077, 
       3084, 
       3086, 
       3088, 
       3090, 
       3112, 
       3114, 
       3123, 
       3125, 
       3129, 
       3133, 
       3133, 
       3160, 
       3161, 
       3168, 
       3169, 
       3205, 
       3212, 
       3214, 
       3216, 
       3218, 
       3240, 
       3242, 
       3251, 
       3253, 
       3257, 
       3261, 
       3261, 
       3294, 
       3294, 
       3296, 
       3297, 
       3313, 
       3314, 
       3333, 
       3340, 
       3342, 
       3344, 
       3346, 
       3386, 
       3389, 
       3389, 
       3406, 
       3406, 
       3424, 
       3425, 
       3450, 
       3455, 
       3461, 
       3478, 
       3482, 
       3505, 
       3507, 
       3515, 
       3517, 
       3517, 
       3520, 
       3526, 
       3585, 
       3632, 
       3634, 
       3635, 
       3648, 
       3654, 
       3713, 
       3714, 
       3716, 
       3716, 
       3719, 
       3720, 
       3722, 
       3722, 
       3725, 
       3725, 
       3732, 
       3735, 
       3737, 
       3743, 
       3745, 
       3747, 
       3749, 
       3749, 
       3751, 
       3751, 
       3754, 
       3755, 
       3757, 
       3760, 
       3762, 
       3763, 
       3773, 
       3773, 
       3776, 
       3780, 
       3782, 
       3782, 
       3804, 
       3807, 
       3840, 
       3840, 
       3904, 
       3911, 
       3913, 
       3948, 
       3976, 
       3980, 
       4096, 
       4138, 
       4159, 
       4159, 
       4176, 
       4181, 
       4186, 
       4189, 
       4193, 
       4193, 
       4197, 
       4198, 
       4206, 
       4208, 
       4213, 
       4225, 
       4238, 
       4238, 
       4256, 
       4293, 
       4295, 
       4295, 
       4301, 
       4301, 
       4304, 
       4346, 
       4348, 
       4680, 
       4682, 
       4685, 
       4688, 
       4694, 
       4696, 
       4696, 
       4698, 
       4701, 
       4704, 
       4744, 
       4746, 
       4749, 
       4752, 
       4784, 
       4786, 
       4789, 
       4792, 
       4798, 
       4800, 
       4800, 
       4802, 
       4805, 
       4808, 
       4822, 
       4824, 
       4880, 
       4882, 
       4885, 
       4888, 
       4954, 
       4992, 
       5007, 
       5024, 
       5108, 
       5121, 
       5740, 
       5743, 
       5759, 
       5761, 
       5786, 
       5792, 
       5866, 
       5870, 
       5872, 
       5888, 
       5900, 
       5902, 
       5905, 
       5920, 
       5937, 
       5952, 
       5969, 
       5984, 
       5996, 
       5998, 
       6000, 
       6016, 
       6067, 
       6103, 
       6103, 
       6108, 
       6108, 
       6176, 
       6263, 
       6272, 
       6312, 
       6314, 
       6314, 
       6320, 
       6389, 
       6400, 
       6428, 
       6480, 
       6509, 
       6512, 
       6516, 
       6528, 
       6571, 
       6593, 
       6599, 
       6656, 
       6678, 
       6688, 
       6740, 
       6823, 
       6823, 
       6917, 
       6963, 
       6981, 
       6987, 
       7043, 
       7072, 
       7086, 
       7087, 
       7098, 
       7141, 
       7168, 
       7203, 
       7245, 
       7247, 
       7258, 
       7293, 
       7401, 
       7404, 
       7406, 
       7409, 
       7413, 
       7414, 
       7424, 
       7615, 
       7680, 
       7957, 
       7960, 
       7965, 
       7968, 
       8005, 
       8008, 
       8013, 
       8016, 
       8023, 
       8025, 
       8025, 
       8027, 
       8027, 
       8029, 
       8029, 
       8031, 
       8061, 
       8064, 
       8116, 
       8118, 
       8124, 
       8126, 
       8126, 
       8130, 
       8132, 
       8134, 
       8140, 
       8144, 
       8147, 
       8150, 
       8155, 
       8160, 
       8172, 
       8178, 
       8180, 
       8182, 
       8188, 
       8305, 
       8305, 
       8319, 
       8319, 
       8336, 
       8348, 
       8450, 
       8450, 
       8455, 
       8455, 
       8458, 
       8467, 
       8469, 
       8469, 
       8473, 
       8477, 
       8484, 
       8484, 
       8486, 
       8486, 
       8488, 
       8488, 
       8490, 
       8493, 
       8495, 
       8505, 
       8508, 
       8511, 
       8517, 
       8521, 
       8526, 
       8526, 
       8544, 
       8584, 
       11264, 
       11310, 
       11312, 
       11358, 
       11360, 
       11492, 
       11499, 
       11502, 
       11506, 
       11507, 
       11520, 
       11557, 
       11559, 
       11559, 
       11565, 
       11565, 
       11568, 
       11623, 
       11631, 
       11631, 
       11648, 
       11670, 
       11680, 
       11686, 
       11688, 
       11694, 
       11696, 
       11702, 
       11704, 
       11710, 
       11712, 
       11718, 
       11720, 
       11726, 
       11728, 
       11734, 
       11736, 
       11742, 
       11823, 
       11823, 
       12293, 
       12295, 
       12321, 
       12329, 
       12337, 
       12341, 
       12344, 
       12348, 
       12353, 
       12438, 
       12445, 
       12447, 
       12449, 
       12538, 
       12540, 
       12543, 
       12549, 
       12589, 
       12593, 
       12686, 
       12704, 
       12730, 
       12784, 
       12799, 
       13312, 
       13312, 
       19893, 
       19893, 
       19968, 
       19968, 
       40908, 
       40908, 
       40960, 
       42124, 
       42192, 
       42237, 
       42240, 
       42508, 
       42512, 
       42527, 
       42538, 
       42539, 
       42560, 
       42606, 
       42623, 
       42647, 
       42656, 
       42735, 
       42775, 
       42783, 
       42786, 
       42888, 
       42891, 
       42894, 
       42896, 
       42899, 
       42912, 
       42922, 
       43000, 
       43009, 
       43011, 
       43013, 
       43015, 
       43018, 
       43020, 
       43042, 
       43072, 
       43123, 
       43138, 
       43187, 
       43250, 
       43255, 
       43259, 
       43259, 
       43274, 
       43301, 
       43312, 
       43334, 
       43360, 
       43388, 
       43396, 
       43442, 
       43471, 
       43471, 
       43520, 
       43560, 
       43584, 
       43586, 
       43588, 
       43595, 
       43616, 
       43638, 
       43642, 
       43642, 
       43648, 
       43695, 
       43697, 
       43697, 
       43701, 
       43702, 
       43705, 
       43709, 
       43712, 
       43712, 
       43714, 
       43714, 
       43739, 
       43741, 
       43744, 
       43754, 
       43762, 
       43764, 
       43777, 
       43782, 
       43785, 
       43790, 
       43793, 
       43798, 
       43808, 
       43814, 
       43816, 
       43822, 
       43968, 
       44002, 
       44032, 
       44032, 
       55203, 
       55203, 
       55216, 
       55238, 
       55243, 
       55291, 
       63744, 
       64109, 
       64112, 
       64217, 
       64256, 
       64262, 
       64275, 
       64279, 
       64285, 
       64285, 
       64287, 
       64296, 
       64298, 
       64310, 
       64312, 
       64316, 
       64318, 
       64318, 
       64320, 
       64321, 
       64323, 
       64324, 
       64326, 
       64433, 
       64467, 
       64829, 
       64848, 
       64911, 
       64914, 
       64967, 
       65008, 
       65019, 
       65136, 
       65140, 
       65142, 
       65276, 
       65313, 
       65338, 
       65345, 
       65370, 
       65382, 
       65470, 
       65474, 
       65479, 
       65482, 
       65487, 
       65490, 
       65495, 
       65498, 
       65500
   ];
   var unicodeES5IdCont = [
       768, 
       879, 
       1155, 
       1159, 
       1425, 
       1469, 
       1471, 
       1471, 
       1473, 
       1474, 
       1476, 
       1477, 
       1479, 
       1479, 
       1552, 
       1562, 
       1611, 
       1641, 
       1648, 
       1648, 
       1750, 
       1756, 
       1759, 
       1764, 
       1767, 
       1768, 
       1770, 
       1773, 
       1776, 
       1785, 
       1809, 
       1809, 
       1840, 
       1866, 
       1958, 
       1968, 
       1984, 
       1993, 
       2027, 
       2035, 
       2070, 
       2073, 
       2075, 
       2083, 
       2085, 
       2087, 
       2089, 
       2093, 
       2137, 
       2139, 
       2276, 
       2302, 
       2304, 
       2307, 
       2362, 
       2364, 
       2366, 
       2383, 
       2385, 
       2391, 
       2402, 
       2403, 
       2406, 
       2415, 
       2433, 
       2435, 
       2492, 
       2492, 
       2494, 
       2500, 
       2503, 
       2504, 
       2507, 
       2509, 
       2519, 
       2519, 
       2530, 
       2531, 
       2534, 
       2543, 
       2561, 
       2563, 
       2620, 
       2620, 
       2622, 
       2626, 
       2631, 
       2632, 
       2635, 
       2637, 
       2641, 
       2641, 
       2662, 
       2673, 
       2677, 
       2677, 
       2689, 
       2691, 
       2748, 
       2748, 
       2750, 
       2757, 
       2759, 
       2761, 
       2763, 
       2765, 
       2786, 
       2787, 
       2790, 
       2799, 
       2817, 
       2819, 
       2876, 
       2876, 
       2878, 
       2884, 
       2887, 
       2888, 
       2891, 
       2893, 
       2902, 
       2903, 
       2914, 
       2915, 
       2918, 
       2927, 
       2946, 
       2946, 
       3006, 
       3010, 
       3014, 
       3016, 
       3018, 
       3021, 
       3031, 
       3031, 
       3046, 
       3055, 
       3073, 
       3075, 
       3134, 
       3140, 
       3142, 
       3144, 
       3146, 
       3149, 
       3157, 
       3158, 
       3170, 
       3171, 
       3174, 
       3183, 
       3202, 
       3203, 
       3260, 
       3260, 
       3262, 
       3268, 
       3270, 
       3272, 
       3274, 
       3277, 
       3285, 
       3286, 
       3298, 
       3299, 
       3302, 
       3311, 
       3330, 
       3331, 
       3390, 
       3396, 
       3398, 
       3400, 
       3402, 
       3405, 
       3415, 
       3415, 
       3426, 
       3427, 
       3430, 
       3439, 
       3458, 
       3459, 
       3530, 
       3530, 
       3535, 
       3540, 
       3542, 
       3542, 
       3544, 
       3551, 
       3570, 
       3571, 
       3633, 
       3633, 
       3636, 
       3642, 
       3655, 
       3662, 
       3664, 
       3673, 
       3761, 
       3761, 
       3764, 
       3769, 
       3771, 
       3772, 
       3784, 
       3789, 
       3792, 
       3801, 
       3864, 
       3865, 
       3872, 
       3881, 
       3893, 
       3893, 
       3895, 
       3895, 
       3897, 
       3897, 
       3902, 
       3903, 
       3953, 
       3972, 
       3974, 
       3975, 
       3981, 
       3991, 
       3993, 
       4028, 
       4038, 
       4038, 
       4139, 
       4158, 
       4160, 
       4169, 
       4182, 
       4185, 
       4190, 
       4192, 
       4194, 
       4196, 
       4199, 
       4205, 
       4209, 
       4212, 
       4226, 
       4237, 
       4239, 
       4253, 
       4957, 
       4959, 
       5906, 
       5908, 
       5938, 
       5940, 
       5970, 
       5971, 
       6002, 
       6003, 
       6068, 
       6099, 
       6109, 
       6109, 
       6112, 
       6121, 
       6155, 
       6157, 
       6160, 
       6169, 
       6313, 
       6313, 
       6432, 
       6443, 
       6448, 
       6459, 
       6470, 
       6479, 
       6576, 
       6592, 
       6600, 
       6601, 
       6608, 
       6617, 
       6679, 
       6683, 
       6741, 
       6750, 
       6752, 
       6780, 
       6783, 
       6793, 
       6800, 
       6809, 
       6912, 
       6916, 
       6964, 
       6980, 
       6992, 
       7001, 
       7019, 
       7027, 
       7040, 
       7042, 
       7073, 
       7085, 
       7088, 
       7097, 
       7142, 
       7155, 
       7204, 
       7223, 
       7232, 
       7241, 
       7248, 
       7257, 
       7376, 
       7378, 
       7380, 
       7400, 
       7405, 
       7405, 
       7410, 
       7412, 
       7616, 
       7654, 
       7676, 
       7679, 
       8204, 
       8205, 
       8255, 
       8256, 
       8276, 
       8276, 
       8400, 
       8412, 
       8417, 
       8417, 
       8421, 
       8432, 
       11503, 
       11505, 
       11647, 
       11647, 
       11744, 
       11775, 
       12330, 
       12335, 
       12441, 
       12442, 
       42528, 
       42537, 
       42607, 
       42607, 
       42612, 
       42621, 
       42655, 
       42655, 
       42736, 
       42737, 
       43010, 
       43010, 
       43014, 
       43014, 
       43019, 
       43019, 
       43043, 
       43047, 
       43136, 
       43137, 
       43188, 
       43204, 
       43216, 
       43225, 
       43232, 
       43249, 
       43264, 
       43273, 
       43302, 
       43309, 
       43335, 
       43347, 
       43392, 
       43395, 
       43443, 
       43456, 
       43472, 
       43481, 
       43561, 
       43574, 
       43587, 
       43587, 
       43596, 
       43597, 
       43600, 
       43609, 
       43643, 
       43643, 
       43696, 
       43696, 
       43698, 
       43700, 
       43703, 
       43704, 
       43710, 
       43711, 
       43713, 
       43713, 
       43755, 
       43759, 
       43765, 
       43766, 
       44003, 
       44010, 
       44012, 
       44013, 
       44016, 
       44025, 
       64286, 
       64286, 
       65024, 
       65039, 
       65056, 
       65062, 
       65075, 
       65076, 
       65101, 
       65103, 
       65296, 
       65305, 
       65343, 
       65343
   ];
   function LexLookUpUnicodeMap(code, map) {
       var lo = 0;
       var hi = map.length;
       var mid;
       while(lo + 1 < hi) {
           mid = lo + (hi - lo) / 2;
           mid -= mid % 2;
           if(map[mid] <= code && code <= map[mid + 1]) {
               return true;
           }
           if(code < map[mid]) {
               hi = mid;
           } else {
               lo = mid + 2;
           }
       }
       return false;
   }
   TypeScript.LexLookUpUnicodeMap = LexLookUpUnicodeMap;
   function LexIsUnicodeDigit(code) {
       if(TypeScript.codeGenTarget == TypeScript.CodeGenTarget.ES3) {
           return LexLookUpUnicodeMap(code, unicodeES3IdCont);
       } else {
           return LexLookUpUnicodeMap(code, unicodeES5IdCont);
       }
   }
   TypeScript.LexIsUnicodeDigit = LexIsUnicodeDigit;
   function LexIsUnicodeIdStart(code) {
       if(TypeScript.codeGenTarget == TypeScript.CodeGenTarget.ES3) {
           return LexLookUpUnicodeMap(code, unicodeES3IdStart);
       } else {
           return LexLookUpUnicodeMap(code, unicodeES5IdStart);
       }
   }
   TypeScript.LexIsUnicodeIdStart = LexIsUnicodeIdStart;
   function LexInitialize() {
       TypeScript.initializeStaticTokens();
       autoToken[TypeScript.LexCodeLPR] = TypeScript.staticTokens[TypeScript.TokenID.OpenParen];
       autoToken[TypeScript.LexCodeRPR] = TypeScript.staticTokens[TypeScript.TokenID.CloseParen];
       autoToken[TypeScript.LexCodeCMA] = TypeScript.staticTokens[TypeScript.TokenID.Comma];
       autoToken[TypeScript.LexCodeSMC] = TypeScript.staticTokens[TypeScript.TokenID.Semicolon];
       autoToken[TypeScript.LexCodeLBR] = TypeScript.staticTokens[TypeScript.TokenID.OpenBracket];
       autoToken[TypeScript.LexCodeRBR] = TypeScript.staticTokens[TypeScript.TokenID.CloseBracket];
       autoToken[TypeScript.LexCodeTIL] = TypeScript.staticTokens[TypeScript.TokenID.Tilde];
       autoToken[TypeScript.LexCodeQUE] = TypeScript.staticTokens[TypeScript.TokenID.Question];
       autoToken[TypeScript.LexCodeLC] = TypeScript.staticTokens[TypeScript.TokenID.OpenBrace];
       autoToken[TypeScript.LexCodeRC] = TypeScript.staticTokens[TypeScript.TokenID.CloseBrace];
       autoToken[TypeScript.LexCodeCOL] = TypeScript.staticTokens[TypeScript.TokenID.Colon];
       TypeScript.LexKeywordTable = new TypeScript.StringHashTable();
       for(var i in (TypeScript.TokenID)._map) {
           if((i) <= TypeScript.TokenID.LimKeyword) {
               TypeScript.LexKeywordTable.add((TypeScript.TokenID)._map[i].toLowerCase(), i);
           }
       }
       for(var j = 0; j < TypeScript.LexCodeASCIIChars; j++) {
           if(LexIsIdentifierStartChar(j)) {
               lexIdStartTable[j] = true;
           } else {
               lexIdStartTable[j] = false;
           }
       }
   }
   TypeScript.LexInitialize = LexInitialize;
   function LexAdjustIndent(code, indentAmt) {
       if((code == TypeScript.LexCodeLBR) || (code == TypeScript.LexCodeLC) || (code == TypeScript.LexCodeLPR)) {
           return indentAmt + 1;
       } else {
           if((code == TypeScript.LexCodeRBR) || (code == TypeScript.LexCodeRC) || (code == TypeScript.LexCodeRPR)) {
               return indentAmt - 1;
           } else {
               return indentAmt;
           }
       }
   }
   TypeScript.LexAdjustIndent = LexAdjustIndent;
   function LexIsIdentifierStartChar(code) {
       return (((code >= 97) && (code <= 122)) || ((code >= 65) && (code <= 90)) || (code == TypeScript.LexCodeDollar) || (code == TypeScript.LexCodeUnderscore));
   }
   TypeScript.LexIsIdentifierStartChar = LexIsIdentifierStartChar;
   function LexIsDigit(code) {
       return ((code >= 48) && (code <= 57));
   }
   TypeScript.LexIsDigit = LexIsDigit;
   function LexIsIdentifierChar(code) {
       return lexIdStartTable[code] || LexIsDigit(code);
   }
   TypeScript.LexIsIdentifierChar = LexIsIdentifierChar;
   function LexMatchingOpen(code) {
       if(code == TypeScript.LexCodeRBR) {
           return TypeScript.LexCodeLBR;
       } else {
           if(code == TypeScript.LexCodeRC) {
               return TypeScript.LexCodeLC;
           } else {
               if(code == TypeScript.LexCodeRPR) {
                   return TypeScript.LexCodeLPR;
               } else {
                   return 0;
               }
           }
       }
   }
   TypeScript.LexMatchingOpen = LexMatchingOpen;
   (function (NumberScanState) {
       NumberScanState._map = [];
       NumberScanState._map[0] = "Start";
       NumberScanState.Start = 0;
       NumberScanState._map[1] = "InFraction";
       NumberScanState.InFraction = 1;
       NumberScanState._map[2] = "InEmptyFraction";
       NumberScanState.InEmptyFraction = 2;
       NumberScanState._map[3] = "InExponent";
       NumberScanState.InExponent = 3;
   })(TypeScript.NumberScanState || (TypeScript.NumberScanState = {}));
   var NumberScanState = TypeScript.NumberScanState;
   (function (LexState) {
       LexState._map = [];
       LexState._map[0] = "Start";
       LexState.Start = 0;
       LexState._map[1] = "InMultilineComment";
       LexState.InMultilineComment = 1;
       LexState._map[2] = "InMultilineSingleQuoteString";
       LexState.InMultilineSingleQuoteString = 2;
       LexState._map[3] = "InMultilineDoubleQuoteString";
       LexState.InMultilineDoubleQuoteString = 3;
   })(TypeScript.LexState || (TypeScript.LexState = {}));
   var LexState = TypeScript.LexState;
   (function (LexMode) {
       LexMode._map = [];
       LexMode._map[0] = "Line";
       LexMode.Line = 0;
       LexMode._map[1] = "File";
       LexMode.File = 1;
   })(TypeScript.LexMode || (TypeScript.LexMode = {}));
   var LexMode = TypeScript.LexMode;
   (function (CommentStyle) {
       CommentStyle._map = [];
       CommentStyle._map[0] = "Line";
       CommentStyle.Line = 0;
       CommentStyle._map[1] = "Block";
       CommentStyle.Block = 1;
   })(TypeScript.CommentStyle || (TypeScript.CommentStyle = {}));
   var CommentStyle = TypeScript.CommentStyle;
   var StringSourceText = (function () {
       function StringSourceText(text) {
           this.text = text;
       }
       StringSourceText.prototype.getText = function (start, end) {
           return this.text.substring(start, end);
       };
       StringSourceText.prototype.getLength = function () {
           return this.text.length;
       };
       return StringSourceText;
   })();
   TypeScript.StringSourceText = StringSourceText;    
   var SourceTextSegment = (function () {
       function SourceTextSegment(segmentStart, segmentEnd, segment) {
           this.segmentStart = segmentStart;
           this.segmentEnd = segmentEnd;
           this.segment = segment;
       }
       SourceTextSegment.prototype.charCodeAt = function (index) {
           return this.segment.charCodeAt(index - this.segmentStart);
       };
       SourceTextSegment.prototype.substring = function (start, end) {
           return this.segment.substring(start - this.segmentStart, end - this.segmentStart);
       };
       return SourceTextSegment;
   })();
   TypeScript.SourceTextSegment = SourceTextSegment;    
   var AggerateSourceTextSegment = (function () {
       function AggerateSourceTextSegment(seg1, seg2) {
           this.seg1 = seg1;
           this.seg2 = seg2;
       }
       AggerateSourceTextSegment.prototype.charCodeAt = function (index) {
           if(this.seg1.segmentStart <= index && index < this.seg1.segmentEnd) {
               return this.seg1.segment.charCodeAt(index - this.seg1.segmentStart);
           }
           return this.seg2.segment.charCodeAt(index - this.seg2.segmentStart);
       };
       AggerateSourceTextSegment.prototype.substring = function (start, end) {
           if(this.seg1.segmentStart <= start && end <= this.seg1.segmentEnd) {
               return this.seg1.segment.substring(start - this.seg1.segmentStart, end - this.seg1.segmentStart);
           }
           return this.seg2.segment.substring(start - this.seg2.segmentStart) + this.seg1.segment.substring(0, end - this.seg1.segmentStart);
       };
       return AggerateSourceTextSegment;
   })();
   TypeScript.AggerateSourceTextSegment = AggerateSourceTextSegment;    
   var ScannerTextStream = (function () {
       function ScannerTextStream(sourceText) {
           this.sourceText = sourceText;
           this.agg = new AggerateSourceTextSegment(ScannerTextStream.emptySegment, ScannerTextStream.emptySegment);
           this.len = this.sourceText.getLength();
       }
       ScannerTextStream.emptySegment = new SourceTextSegment(0, 0, "");
       ScannerTextStream.prototype.max = function (a, b) {
           return a >= b ? a : b;
       };
       ScannerTextStream.prototype.min = function (a, b) {
           return a <= b ? a : b;
       };
       ScannerTextStream.prototype.fetchSegment = function (start, end) {
           if(this.agg.seg1.segmentStart <= start && end <= this.agg.seg1.segmentEnd) {
               return this.agg.seg1;
           }
           if(this.agg.seg2.segmentStart <= start && end <= this.agg.seg1.segmentEnd) {
               return this.agg;
           }
           var prev = this.agg.seg1;
           var s = prev.segmentEnd;
           var e = TypeScript.max(s + 512, end);
           e = TypeScript.min(e, this.len);
           var src = this.sourceText.getText(s, e);
           var newSeg = new SourceTextSegment(s, e, src);
           this.agg.seg2 = prev;
           this.agg.seg1 = newSeg;
           return this.agg;
       };
       ScannerTextStream.prototype.charCodeAt = function (index) {
           return this.fetchSegment(index, index + 1).charCodeAt(index);
       };
       ScannerTextStream.prototype.substring = function (start, end) {
           return this.fetchSegment(start, end).substring(start, end);
       };
       return ScannerTextStream;
   })();
   TypeScript.ScannerTextStream = ScannerTextStream;    
   var SavedTokens = (function () {
       function SavedTokens() {
           this.prevToken = null;
           this.curSavedToken = null;
           this.prevSavedToken = null;
           this.prevToken = null;
           this.currentToken = 0;
           this.tokens = new Array();
           this.seenUnicodeChar = false;
           this.seenUnicodeCharInComment = false;
           this.prevLine = 1;
           this.line = 1;
           this.col = 0;
           this.lexState = LexState.Start;
           this.commentStack = new Array();
           this.lineMap = [];
       }
       SavedTokens.prototype.previousToken = function () {
           return this.prevToken;
       };
       SavedTokens.prototype.close = function () {
           this.currentToken = 0;
       };
       SavedTokens.prototype.addToken = function (tok, scanner) {
           this.tokens[this.currentToken++] = new TypeScript.SavedToken(tok, scanner.startPos, scanner.pos);
       };
       SavedTokens.prototype.scan = function () {
           this.startLine = this.line;
           this.startPos = this.col;
           if(this.currentTokenIndex == this.currentTokens.length) {
               if(this.line < this.lineMap.length) {
                   this.line++;
                   this.col = 0;
                   this.currentTokenIndex = 0;
                   this.currentTokens = this.tokensByLine[this.line];
               } else {
                   return TypeScript.staticTokens[TypeScript.TokenID.EndOfFile];
               }
           }
           if(this.currentTokenIndex < this.currentTokens.length) {
               this.prevToken = this.curSavedToken.tok;
               this.prevSavedToken = this.curSavedToken;
               this.curSavedToken = this.currentTokens[this.currentTokenIndex++];
               var curToken = this.curSavedToken.tok;
               this.pos = this.curSavedToken.limChar;
               this.col += (this.curSavedToken.limChar - this.curSavedToken.minChar);
               this.startPos = this.curSavedToken.minChar;
               this.prevLine = this.line;
               return curToken;
           } else {
               return TypeScript.staticTokens[TypeScript.TokenID.EndOfFile];
           }
       };
       SavedTokens.prototype.syncToTok = function (offset) {
           this.line = getLineNumberFromPosition(this.lineMap, offset);
           this.currentTokenIndex = 0;
           var tmpCol = offset - this.lineMap[this.line];
           while((this.lexStateByLine[this.line] == LexState.InMultilineComment) && (this.line > 0)) {
               this.line--;
               tmpCol = 0;
           }
           var lenMin1 = this.lineMap.length - 1;
           this.currentTokens = this.tokensByLine[this.line];
           while((this.currentTokens.length == 0) && (this.line < lenMin1)) {
               this.line++;
               this.currentTokens = this.tokensByLine[this.line];
               tmpCol = 0;
           }
           if(this.line <= lenMin1) {
               while((this.currentTokenIndex < this.currentTokens.length) && (tmpCol > this.currentTokens[this.currentTokenIndex].limChar)) {
                   this.currentTokenIndex++;
               }
               if(this.currentTokenIndex < this.currentTokens.length) {
                   this.col = this.currentTokens[this.currentTokenIndex].minChar;
                   return this.col + this.lineMap[this.line];
               }
           }
           return -1;
       };
       SavedTokens.prototype.lastTokenLimChar = function () {
           if(this.prevSavedToken !== null) {
               return this.prevSavedToken.limChar;
           } else {
               return 0;
           }
       };
       SavedTokens.prototype.lastTokenHadNewline = function () {
           return this.prevLine != this.startLine;
       };
       SavedTokens.prototype.pushComment = function (comment) {
           this.commentStack.push(comment);
       };
       SavedTokens.prototype.getComments = function () {
           var stack = this.commentStack;
           this.commentStack = [];
           return stack;
       };
       SavedTokens.prototype.getCommentsForLine = function (line) {
           var comments = null;
           while((this.commentStack.length > 0) && (this.commentStack[0].line == line)) {
               if(comments == null) {
                   comments = [
                       this.commentStack.shift()
                   ];
               } else {
                   comments = comments.concat([
                       this.commentStack.shift()
                   ]);
               }
           }
           return comments;
       };
       SavedTokens.prototype.resetComments = function () {
           this.commentStack = [];
       };
       SavedTokens.prototype.setSourceText = function (newSrc, textMode) {
       };
       SavedTokens.prototype.setErrorHandler = function (reportError) {
       };
       SavedTokens.prototype.getLookAheadToken = function () {
           throw new Error("Invalid operation.");
       };
       return SavedTokens;
   })();
   TypeScript.SavedTokens = SavedTokens;    
   var Scanner = (function () {
       function Scanner() {
           this.prevLine = 1;
           this.line = 1;
           this.col = 0;
           this.pos = 0;
           this.startPos = 0;
           this.len = 0;
           this.lineMap = [];
           this.ch = TypeScript.LexEOF;
           this.lexState = LexState.Start;
           this.mode = LexMode.File;
           this.scanComments = true;
           this.interveningWhitespace = false;
           this.interveningWhitespacePos = 0;
           this.leftCurlyCount = 0;
           this.rightCurlyCount = 0;
           this.commentStack = new Array();
           this.saveScan = null;
           this.seenUnicodeChar = false;
           this.seenUnicodeCharInComment = false;
           this.prevTok = TypeScript.staticTokens[TypeScript.TokenID.EndOfFile];
           this.startCol = this.col;
           this.startLine = this.line;
           this.lineMap[1] = 0;
           if(!TypeScript.LexKeywordTable) {
               LexInitialize();
           }
       }
       Scanner.prototype.previousToken = function () {
           return this.prevTok;
       };
       Scanner.prototype.setSourceText = function (newSrc, textMode) {
           this.mode = textMode;
           this.scanComments = (this.mode === LexMode.Line);
           this.pos = 0;
           this.interveningWhitespacePos = 0;
           this.startPos = 0;
           this.line = 1;
           this.col = 0;
           this.startCol = this.col;
           this.startLine = this.line;
           this.len = 0;
           this.src = newSrc.getText(0, newSrc.getLength());
           this.len = this.src.length;
           this.lineMap = [];
           this.lineMap[1] = 0;
           this.commentStack = [];
           this.leftCurlyCount = 0;
           this.rightCurlyCount = 0;
           this.seenUnicodeChar = false;
           this.seenUnicodeCharInComment = false;
       };
       Scanner.prototype.setErrorHandler = function (reportError) {
           this.reportError = reportError;
       };
       Scanner.prototype.setSaveScan = function (savedTokens) {
           this.saveScan = savedTokens;
       };
       Scanner.prototype.setText = function (newSrc, textMode) {
           this.setSourceText(new StringSourceText(newSrc), textMode);
       };
       Scanner.prototype.setScanComments = function (value) {
           this.scanComments = value;
       };
       Scanner.prototype.getLexState = function () {
           return this.lexState;
       };
       Scanner.prototype.tokenStart = function () {
           this.startPos = this.pos;
           this.startLine = this.line;
           this.startCol = this.col;
           this.interveningWhitespace = false;
       };
       Scanner.prototype.peekChar = function () {
           if(this.pos < this.len) {
               return this.src.charCodeAt(this.pos);
           } else {
               return TypeScript.LexEOF;
           }
       };
       Scanner.prototype.peekCharAt = function (index) {
           if(index < this.len) {
               return this.src.charCodeAt(index);
           } else {
               return TypeScript.LexEOF;
           }
       };
       Scanner.prototype.IsHexDigit = function (c) {
           return ((c >= TypeScript.LexCode_0) && (c <= TypeScript.LexCode_9)) || ((c >= TypeScript.LexCode_A) && (c <= TypeScript.LexCode_F)) || ((c >= TypeScript.LexCode_a) && (c <= TypeScript.LexCode_f));
       };
       Scanner.prototype.IsOctalDigit = function (c) {
           return ((c >= TypeScript.LexCode_0) && (c <= TypeScript.LexCode_7)) || ((c >= TypeScript.LexCode_a) && (c <= TypeScript.LexCode_f));
       };
       Scanner.prototype.scanHexDigits = function () {
           var atLeastOneDigit = false;
           for(; ; ) {
               if(this.IsHexDigit(this.ch)) {
                   this.nextChar();
                   atLeastOneDigit = true;
               } else {
                   if(atLeastOneDigit) {
                       return new TypeScript.NumberLiteralToken(parseInt(this.src.substring(this.startPos, this.pos)));
                   } else {
                       return null;
                   }
               }
           }
       };
       Scanner.prototype.scanOctalDigits = function () {
           var atLeastOneDigit = false;
           for(; ; ) {
               if(this.IsOctalDigit(this.ch)) {
                   this.nextChar();
                   atLeastOneDigit = true;
               } else {
                   if(atLeastOneDigit) {
                       return new TypeScript.NumberLiteralToken(parseInt(this.src.substring(this.startPos, this.pos)));
                   } else {
                       return null;
                   }
               }
           }
       };
       Scanner.prototype.scanDecimalNumber = function (state) {
           var atLeastOneDigit = false;
           var svPos = this.pos;
           var svCol = this.col;
           for(; ; ) {
               if(LexIsDigit(this.ch)) {
                   atLeastOneDigit = true;
                   if(this.ch != TypeScript.LexCode_0 && state == NumberScanState.InEmptyFraction) {
                       state = NumberScanState.InFraction;
                   }
                   this.nextChar();
               } else {
                   if(this.ch == TypeScript.LexCodeDOT) {
                       if(state == NumberScanState.Start) {
                           this.nextChar();
                           state = NumberScanState.InEmptyFraction;
                       } else {
                           if(atLeastOneDigit) {
                               return new TypeScript.NumberLiteralToken(parseFloat(this.src.substring(this.startPos, this.pos)), state == NumberScanState.InEmptyFraction);
                           } else {
                               this.pos = svPos;
                               this.col = svCol;
                               return null;
                           }
                       }
                   } else {
                       if((this.ch == TypeScript.LexCode_e) || (this.ch == TypeScript.LexCode_E)) {
                           if(state == NumberScanState.Start) {
                               if(atLeastOneDigit) {
                                   atLeastOneDigit = false;
                                   this.nextChar();
                                   state = NumberScanState.InExponent;
                               } else {
                                   this.pos = svPos;
                                   this.col = svCol;
                                   return null;
                               }
                           } else {
                               if(state == NumberScanState.InFraction || state == NumberScanState.InEmptyFraction) {
                                   this.nextChar();
                                   state = NumberScanState.InExponent;
                                   atLeastOneDigit = false;
                               } else {
                                   if(atLeastOneDigit) {
                                       return new TypeScript.NumberLiteralToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                                   } else {
                                       this.pos = svPos;
                                       this.col = svCol;
                                       return null;
                                   }
                               }
                           }
                       } else {
                           if((this.ch == TypeScript.LexCodePLS) || (this.ch == TypeScript.LexCodeMIN)) {
                               if(state == NumberScanState.InExponent) {
                                   if(!atLeastOneDigit) {
                                       this.nextChar();
                                   } else {
                                       this.pos = svPos;
                                       this.col = svCol;
                                       return null;
                                   }
                               } else {
                                   if(state == NumberScanState.InEmptyFraction || state == NumberScanState.InFraction) {
                                       return new TypeScript.NumberLiteralToken(parseFloat(this.src.substring(this.startPos, this.pos)), state == NumberScanState.InEmptyFraction);
                                   } else {
                                       if(!atLeastOneDigit) {
                                           this.pos = svPos;
                                           this.col = svCol;
                                           return null;
                                       } else {
                                           return new TypeScript.NumberLiteralToken(parseFloat(this.src.substring(this.startPos, this.pos)));
                                       }
                                   }
                               }
                           } else {
                               if(!atLeastOneDigit) {
                                   this.pos = svPos;
                                   this.col = svCol;
                                   return null;
                               } else {
                                   return new TypeScript.NumberLiteralToken(parseFloat(this.src.substring(this.startPos, this.pos)), state == NumberScanState.InEmptyFraction);
                               }
                           }
                       }
                   }
               }
           }
       };
       Scanner.prototype.scanNumber = function () {
           if(this.peekChar() == TypeScript.LexCode_0) {
               switch(this.peekCharAt(this.pos + 1)) {
                   case TypeScript.LexCode_x:
                   case TypeScript.LexCode_X: {
                       this.advanceChar(2);
                       return this.scanHexDigits();

                   }
                   case TypeScript.LexCode_8:
                   case TypeScript.LexCode_9:
                   case TypeScript.LexCodeDOT: {
                       return this.scanDecimalNumber(NumberScanState.Start);

                   }
                   default: {
                       return this.scanOctalDigits();

                   }
               }
           } else {
               return this.scanDecimalNumber(NumberScanState.Start);
           }
       };
       Scanner.prototype.scanFraction = function () {
           return this.scanDecimalNumber(NumberScanState.InFraction);
       };
       Scanner.prototype.newLine = function () {
           this.col = 0;
           if(this.mode == LexMode.File) {
               this.line++;
               this.lineMap[this.line] = this.pos + 1;
           }
       };
       Scanner.prototype.finishMultilineComment = function () {
           var ch2;
           this.lexState = LexState.InMultilineComment;
           while(this.pos < this.len) {
               if(this.ch == TypeScript.LexCodeMUL) {
                   ch2 = this.peekCharAt(this.pos + 1);
                   if(ch2 == TypeScript.LexCodeSLH) {
                       this.advanceChar(2);
                       if(this.mode == LexMode.File) {
                           this.tokenStart();
                       }
                       this.lexState = LexState.Start;
                       return true;
                   }
               } else {
                   if(this.ch == TypeScript.LexCodeNWL) {
                       this.newLine();
                       if(this.mode == LexMode.Line) {
                           this.nextChar();
                           return false;
                       }
                   } else {
                       if(this.ch >= TypeScript.LexCodeASCIIChars) {
                           this.seenUnicodeCharInComment = true;
                       }
                   }
               }
               this.nextChar();
           }
           return false;
       };
       Scanner.prototype.pushComment = function (comment) {
           this.commentStack.push(comment);
       };
       Scanner.prototype.getComments = function () {
           var stack = this.commentStack;
           this.commentStack = [];
           return stack;
       };
       Scanner.prototype.getCommentsForLine = function (line) {
           var comments = null;
           while((this.commentStack.length > 0) && (this.commentStack[0].line == line)) {
               if(comments == null) {
                   comments = [
                       this.commentStack.shift()
                   ];
               } else {
                   comments = comments.concat([
                       this.commentStack.shift()
                   ]);
               }
           }
           return comments;
       };
       Scanner.prototype.resetComments = function () {
           this.commentStack = [];
       };
       Scanner.prototype.endsLine = function (c) {
           return (c == TypeScript.LexCodeNWL) || (c == TypeScript.LexCodeRET) || (c == TypeScript.LexCodeLS) || (c == TypeScript.LexCodePS);
       };
       Scanner.prototype.finishSinglelineComment = function () {
           while(this.pos < this.len) {
               if(this.endsLine(this.ch)) {
                   break;
               }
               if(this.ch >= TypeScript.LexCodeASCIIChars) {
                   this.seenUnicodeCharInComment = true;
               }
               this.nextChar();
           }
           if(this.mode == LexMode.File) {
               this.tokenStart();
           }
       };
       Scanner.prototype.tokenText = function () {
           return this.src.substring(this.startPos, this.pos);
       };
       Scanner.prototype.findClosingSLH = function () {
           var index = this.pos;
           var ch2 = this.src.charCodeAt(index);
           var prevCh = 0;
           var liveEsc = false;
           while(!this.endsLine(ch2) && (index < this.len)) {
               if((ch2 == TypeScript.LexCodeSLH) && (!liveEsc)) {
                   return index;
               }
               prevCh = ch2;
               index++;
               if(liveEsc) {
                   liveEsc = false;
               } else {
                   liveEsc = (prevCh == TypeScript.LexCodeBSL);
               }
               ch2 = this.src.charCodeAt(index);
           }
           return -1;
       };
       Scanner.prototype.speculateRegex = function () {
           if(TypeScript.noRegexTable[this.prevTok.tokenId] != undefined) {
               return null;
           }
           var svPos = this.pos;
           var svCol = this.col;
           var index = this.findClosingSLH();
           if(index > 0) {
               var pattern = this.src.substring(svPos, index);
               var flags = "";
               this.pos = index + 1;
               this.ch = this.peekChar();
               var flagsStart = this.pos;
               while((this.ch == TypeScript.LexCode_i) || (this.ch == TypeScript.LexCode_g) || (this.ch == TypeScript.LexCode_m)) {
                   this.nextChar();
               }
               if((this.pos - flagsStart) > 3) {
                   return null;
               } else {
                   flags = this.src.substring(flagsStart, this.pos);
               }
               var regex = undefined;
               try  {
                   regex = new RegExp(pattern, flags);
               } catch (regexException) {
               }
               if(regex) {
                   this.col = svCol + (this.pos - this.startPos);
                   return new TypeScript.RegularExpressionLiteralToken(regex);
               }
           }
           this.pos = svPos;
           this.col = svCol;
           return null;
       };
       Scanner.prototype.lastTokenHadNewline = function () {
           return this.prevLine != this.startLine;
       };
       Scanner.prototype.lastTokenLimChar = function () {
           return this.interveningWhitespace ? this.interveningWhitespacePos : this.startPos;
       };
       Scanner.prototype.advanceChar = function (amt) {
           this.pos += amt;
           this.col += amt;
           this.ch = this.peekChar();
       };
       Scanner.prototype.nextChar = function () {
           this.pos++;
           this.col++;
           this.ch = this.peekChar();
       };
       Scanner.prototype.getLookAheadToken = function () {
           var prevLine = this.prevLine;
           var line = this.line;
           var col = this.col;
           var pos = this.pos;
           var startPos = this.startPos;
           var startCol = this.startCol;
           var startLine = this.startLine;
           var ch = this.ch;
           var prevTok = this.prevTok;
           var lexState = this.lexState;
           var interveningWhitespace = this.interveningWhitespace;
           var interveningWhitespacePos = this.interveningWhitespacePos;
           var leftCurlyCount = this.leftCurlyCount;
           var rightCurlyCount = this.rightCurlyCount;
           var seenUnicodeChar = this.seenUnicodeChar;
           var seenUnicodeCharInComment = this.seenUnicodeCharInComment;
           var commentStackLength = this.commentStack.length;
           var lookAheadToken = this.scan();
           this.prevLine = prevLine;
           this.line = line;
           this.col = col;
           this.pos = pos;
           this.startPos = startPos;
           this.startCol = startCol;
           this.startLine = startLine;
           this.ch = ch;
           this.prevTok = prevTok;
           this.lexState = lexState;
           this.interveningWhitespace = interveningWhitespace;
           this.interveningWhitespacePos = interveningWhitespacePos;
           this.leftCurlyCount = leftCurlyCount;
           this.rightCurlyCount = rightCurlyCount;
           this.seenUnicodeChar = seenUnicodeChar;
           this.seenUnicodeCharInComment = seenUnicodeCharInComment;
           this.commentStack.length = commentStackLength;
           return lookAheadToken;
       };
       Scanner.prototype.scanInLine = function () {
           if((this.lexState == LexState.InMultilineComment) && (this.scanComments)) {
               this.ch = this.peekChar();
               var commentLine = this.line;
               this.finishMultilineComment();
               if(this.startPos < this.pos) {
                   var commentText = this.src.substring(this.startPos, this.pos);
                   this.tokenStart();
                   return new TypeScript.CommentToken(TypeScript.TokenID.Comment, commentText, true, this.startPos, commentLine, true);
               } else {
                   return TypeScript.staticTokens[TypeScript.TokenID.EndOfFile];
               }
           } else {
               if(this.lexState == LexState.InMultilineSingleQuoteString && this.pos < this.len) {
                   this.ch = TypeScript.LexCodeAPO;
                   this.lexState = LexState.Start;
                   return this.scanStringConstant();
               } else {
                   if(this.lexState == LexState.InMultilineDoubleQuoteString && this.pos < this.len) {
                       this.ch = TypeScript.LexCodeQUO;
                       this.lexState = LexState.Start;
                       return this.scanStringConstant();
                   }
               }
           }
           this.prevLine = this.line;
           var prevTok = this.innerScan();
           if(prevTok.tokenId != TypeScript.TokenID.Whitespace) {
               this.prevTok = prevTok;
           }
           return prevTok;
       };
       Scanner.prototype.scan = function () {
           this.prevLine = this.line;
           this.prevTok = this.innerScan();
           if(this.saveScan) {
               this.saveScan.addToken(this.prevTok, this);
           }
           return this.prevTok;
       };
       Scanner.prototype.isValidUnicodeIdentifierChar = function () {
           var valid = LexIsUnicodeIdStart(this.ch) || LexIsUnicodeDigit(this.ch);
           this.seenUnicodeChar = this.seenUnicodeChar || valid;
           return valid;
       };
       Scanner.prototype.scanStringConstant = function () {
           var endCode = this.ch;
           this.nextChar();
           scanStringConstantLoop:
for(; ; ) {
               switch(this.ch) {
                   case TypeScript.LexEOF: {
                       this.reportScannerError("Unterminated string constant");
                       break scanStringConstantLoop;

                   }
                   case TypeScript.LexCodeLS:
                   case TypeScript.LexCodePS: {
                       this.seenUnicodeChar = true;

                   }
                   case TypeScript.LexCodeRET:
                   case TypeScript.LexCodeNWL: {
                       this.reportScannerError("Unterminated string constant");
                       break scanStringConstantLoop;

                   }
                   case TypeScript.LexCodeAPO:
                   case TypeScript.LexCodeQUO: {
                       if(this.ch == endCode) {
                           this.nextChar();
                           break scanStringConstantLoop;
                       }
                       break;

                   }
                   case TypeScript.LexCodeBSL: {
                       this.nextChar();
                       switch(this.ch) {
                           case TypeScript.LexCodeAPO:
                           case TypeScript.LexCodeQUO:
                           case TypeScript.LexCodeBSL: {
                               this.nextChar();
                               continue scanStringConstantLoop;

                           }
                           case TypeScript.LexCodeLS:
                           case TypeScript.LexCodePS: {
                               this.seenUnicodeChar = true;

                           }
                           case TypeScript.LexCodeRET:
                           case TypeScript.LexCodeNWL: {
                               if(this.ch == TypeScript.LexCodeRET && this.peekCharAt(this.pos + 1) == TypeScript.LexCodeNWL) {
                                   this.nextChar();
                               }
                               this.nextChar();
                               this.newLine();
                               if(this.mode == LexMode.Line) {
                                   this.lexState = endCode == TypeScript.LexCodeAPO ? LexState.InMultilineSingleQuoteString : LexState.InMultilineDoubleQuoteString;
                                   break scanStringConstantLoop;
                               }
                               break;

                           }
                           case TypeScript.LexCode_x:
                           case TypeScript.LexCode_u: {
                               var expectedHexDigits = this.ch == TypeScript.LexCode_x ? 2 : 4;
                               this.nextChar();
                               for(var i = 0; i < expectedHexDigits; i++) {
                                   if(this.IsHexDigit(this.ch)) {
                                       this.nextChar();
                                   } else {
                                       this.reportScannerError("Invalid Unicode escape sequence");
                                       break;
                                   }
                               }
                               continue scanStringConstantLoop;

                           }
                       }
                       break;

                   }
               }
               if(this.ch >= TypeScript.LexCodeASCIIChars) {
                   this.seenUnicodeChar = true;
               }
               this.nextChar();
           }
           return new TypeScript.StringLiteralToken(this.src.substring(this.startPos, this.pos));
       };
       Scanner.prototype.scanIdentifier = function () {
           var hasEscape = false;
           var isFirstChar = (this.ch == TypeScript.LexCodeBSL);
           var hasUnicode = false;
           for(; ; ) {
               while(lexIdStartTable[this.ch] || LexIsDigit(this.ch) || (this.ch >= TypeScript.LexCodeASCIIChars && this.isValidUnicodeIdentifierChar())) {
                   this.nextChar();
               }
               if(this.ch == TypeScript.LexCodeBSL) {
                   this.nextChar();
                   if(this.ch == TypeScript.LexCode_u) {
                       this.nextChar();
                       for(var h = 0; h < 4; h++) {
                           if(this.IsHexDigit(this.ch)) {
                               this.nextChar();
                           } else {
                               this.reportScannerError("Invalid Unicode escape sequence");
                               return TypeScript.staticTokens[TypeScript.TokenID.Error];
                           }
                       }
                       var hexChar = parseInt(this.src.substring(this.pos - 4, this.pos), 16);
                       if(lexIdStartTable[hexChar] || (!isFirstChar && LexIsDigit(hexChar)) || (hexChar >= TypeScript.LexCodeASCIIChars && (LexIsUnicodeIdStart(hexChar) || (!isFirstChar && LexIsUnicodeDigit(hexChar))))) {
                       } else {
                           this.reportScannerError("Invalid identifier character");
                           return TypeScript.staticTokens[TypeScript.TokenID.Error];
                       }
                       hasEscape = true;
                       isFirstChar = false;
                       continue;
                   }
                   this.reportScannerError("Invalid Unicode escape sequence");
                   return TypeScript.staticTokens[TypeScript.TokenID.Error];
               }
               break;
           }
           var id;
           var text = this.src.substring(this.startPos, this.pos);
           if(!hasEscape && (id = TypeScript.LexKeywordTable.lookup(text)) != null) {
               return TypeScript.staticTokens[id];
           } else {
               return new TypeScript.IdentifierToken(text, hasEscape);
           }
       };
       Scanner.prototype.innerScan = function () {
           var rtok;
           this.tokenStart();
           this.ch = this.peekChar();
           start:
while(this.pos < this.len) {
               if(lexIdStartTable[this.ch] || this.ch == TypeScript.LexCodeBSL || (this.ch >= TypeScript.LexCodeASCIIChars && LexIsUnicodeIdStart(this.ch))) {
                   return this.scanIdentifier();
               } else {
                   if(this.ch == TypeScript.LexCodeSpace) {
                       if(!this.interveningWhitespace) {
                           this.interveningWhitespacePos = this.pos;
                       }
                       do {
                           this.nextChar();
                       }while(this.ch == TypeScript.LexCodeSpace)
                       if(this.mode == LexMode.Line) {
                           var whitespaceText = this.src.substring(this.startPos, this.pos);
                           return new TypeScript.WhitespaceToken(TypeScript.TokenID.Whitespace, whitespaceText);
                       } else {
                           this.tokenStart();
                           this.interveningWhitespace = true;
                       }
                   } else {
                       if(this.ch == TypeScript.LexCodeSLH) {
                           this.nextChar();
                           var commentText;
                           if(this.ch == TypeScript.LexCodeSLH) {
                               if(!this.interveningWhitespace) {
                                   this.interveningWhitespacePos = this.pos - 1;
                               }
                               var commentStartPos = this.pos - 1;
                               var commentStartLine = this.line;
                               this.finishSinglelineComment();
                               var commentText = this.src.substring(commentStartPos, this.pos);
                               var commentToken = new TypeScript.CommentToken(TypeScript.TokenID.Comment, commentText, false, commentStartPos, commentStartLine, false);
                               if(this.scanComments) {
                                   this.startPos = commentStartPos;
                                   return commentToken;
                               } else {
                                   this.pushComment(commentToken);
                               }
                               this.interveningWhitespace = true;
                           } else {
                               if(this.ch == TypeScript.LexCodeMUL) {
                                   if(!this.interveningWhitespace) {
                                       this.interveningWhitespacePos = this.pos - 1;
                                   }
                                   var commentStartPos = this.pos - 1;
                                   var commentStartLine = this.line;
                                   this.nextChar();
                                   this.finishMultilineComment();
                                   var commentText = this.src.substring(commentStartPos, this.pos);
                                   var endsLine = this.endsLine(this.peekChar());
                                   var commentToken = new TypeScript.CommentToken(TypeScript.TokenID.Comment, commentText, true, commentStartPos, commentStartLine, endsLine);
                                   if(this.scanComments) {
                                       this.startPos = commentStartPos;
                                       return commentToken;
                                   } else {
                                       this.pushComment(commentToken);
                                   }
                                   this.interveningWhitespace = true;
                               } else {
                                   var regexTok = this.speculateRegex();
                                   if(regexTok) {
                                       return regexTok;
                                   } else {
                                       if(this.peekCharAt(this.pos) == TypeScript.LexCodeEQ) {
                                           this.nextChar();
                                           return TypeScript.staticTokens[TypeScript.TokenID.SlashEquals];
                                       } else {
                                           return TypeScript.staticTokens[TypeScript.TokenID.Slash];
                                       }
                                   }
                               }
                           }
                       } else {
                           if(this.ch == TypeScript.LexCodeSMC) {
                               this.nextChar();
                               return TypeScript.staticTokens[TypeScript.TokenID.Semicolon];
                           } else {
                               if((this.ch == TypeScript.LexCodeAPO) || (this.ch == TypeScript.LexCodeQUO)) {
                                   return this.scanStringConstant();
                               } else {
                                   if(autoToken[this.ch]) {
                                       var atok = autoToken[this.ch];
                                       if(atok.tokenId == TypeScript.TokenID.OpenBrace) {
                                           this.leftCurlyCount++;
                                       } else {
                                           if(atok.tokenId == TypeScript.TokenID.CloseBrace) {
                                               this.rightCurlyCount++;
                                           }
                                       }
                                       this.nextChar();
                                       return atok;
                                   } else {
                                       if((this.ch >= TypeScript.LexCode_0) && (this.ch <= TypeScript.LexCode_9)) {
                                           rtok = this.scanNumber();
                                           if(rtok) {
                                               return rtok;
                                           } else {
                                               this.nextChar();
                                               return TypeScript.staticTokens[TypeScript.TokenID.Error];
                                           }
                                       } else {
                                           switch(this.ch) {
                                               case TypeScript.LexCodeTAB:
                                               case TypeScript.LexCodeVTAB: {
                                                   if(!this.interveningWhitespace) {
                                                       this.interveningWhitespacePos = this.pos;
                                                   }
                                                   if(this.mode == LexMode.Line) {
                                                       do {
                                                           this.nextChar();
                                                       }while((this.ch == TypeScript.LexCodeSpace) || (this.ch == 9))
                                                       var wsText = this.src.substring(this.startPos, this.pos);
                                                       return new TypeScript.WhitespaceToken(TypeScript.TokenID.Whitespace, wsText);
                                                   } else {
                                                       this.interveningWhitespace = true;
                                                   }

                                               }
                                               case 255:
                                               case 254:
                                               case 239:
                                               case 187:
                                               case 191:
                                               case TypeScript.LexCodeLS:
                                               case TypeScript.LexCodePS:
                                               case TypeScript.LexCodeNWL:
                                               case TypeScript.LexCodeRET: {
                                                   if(this.ch == TypeScript.LexCodeNWL) {
                                                       this.newLine();
                                                       if(this.mode == LexMode.Line) {
                                                           return TypeScript.staticTokens[TypeScript.TokenID.EndOfFile];
                                                       }
                                                   }
                                                   if(!this.interveningWhitespace) {
                                                       this.interveningWhitespacePos = this.pos;
                                                   }
                                                   this.nextChar();
                                                   this.tokenStart();
                                                   this.interveningWhitespace = true;
                                                   break;

                                               }
                                               case TypeScript.LexCodeDOT: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeDOT) {
                                                       if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeDOT) {
                                                           this.advanceChar(3);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.DotDotDot];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.Dot];
                                                       }
                                                   } else {
                                                       this.nextChar();
                                                       rtok = this.scanFraction();
                                                       if(rtok) {
                                                           return rtok;
                                                       } else {
                                                           return TypeScript.staticTokens[TypeScript.TokenID.Dot];
                                                       }
                                                   }
                                               }

                                               case TypeScript.LexCodeEQ: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                           this.advanceChar(3);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.EqualsEqualsEquals];
                                                       } else {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.EqualsEquals];
                                                       }
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeGT) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.EqualsGreaterThan];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.Equals];
                                                       }
                                                   }

                                               }
                                               case TypeScript.LexCodeBNG: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                           this.advanceChar(3);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.ExclamationEqualsEquals];
                                                       } else {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.ExclamationEquals];
                                                       }
                                                   } else {
                                                       this.nextChar();
                                                       return TypeScript.staticTokens[TypeScript.TokenID.Exclamation];
                                                   }

                                               }
                                               case TypeScript.LexCodePLS: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.PlusEquals];
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodePLS) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.PlusPlus];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.Plus];
                                                       }
                                                   }

                                               }
                                               case TypeScript.LexCodeMIN: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.MinusEquals];
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeMIN) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.MinusMinus];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.Minus];
                                                       }
                                                   }

                                               }
                                               case TypeScript.LexCodeMUL: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.AsteriskEquals];
                                                   } else {
                                                       this.nextChar();
                                                       return TypeScript.staticTokens[TypeScript.TokenID.Asterisk];
                                                   }

                                               }
                                               case TypeScript.LexCodePCT: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.PercentEquals];
                                                   } else {
                                                       this.nextChar();
                                                       return TypeScript.staticTokens[TypeScript.TokenID.Percent];
                                                   }

                                               }
                                               case TypeScript.LexCodeLT: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeLT) {
                                                       if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                           this.advanceChar(3);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.LessThanLessThanEquals];
                                                       } else {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.LessThanLessThan];
                                                       }
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.LessThanEquals];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.LessThan];
                                                       }
                                                   }

                                               }
                                               case TypeScript.LexCodeGT: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeGT) {
                                                       if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeEQ) {
                                                           this.advanceChar(3);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.GreaterThanGreaterThanEquals];
                                                       } else {
                                                           if(this.peekCharAt(this.pos + 2) == TypeScript.LexCodeGT) {
                                                               if(this.peekCharAt(this.pos + 3) == TypeScript.LexCodeEQ) {
                                                                   this.advanceChar(4);
                                                                   return TypeScript.staticTokens[TypeScript.TokenID.GreaterThanGreaterThanGreaterThanEquals];
                                                               } else {
                                                                   this.advanceChar(3);
                                                                   return TypeScript.staticTokens[TypeScript.TokenID.GreaterThanGreaterThanGreaterThan];
                                                               }
                                                           } else {
                                                               this.advanceChar(2);
                                                               return TypeScript.staticTokens[TypeScript.TokenID.GreaterThanGreaterThan];
                                                           }
                                                       }
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.GreaterThanEquals];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.GreaterThan];
                                                       }
                                                   }

                                               }
                                               case TypeScript.LexCodeXOR: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.CaretEquals];
                                                   } else {
                                                       this.nextChar();
                                                       return TypeScript.staticTokens[TypeScript.TokenID.Caret];
                                                   }

                                               }
                                               case TypeScript.LexCodeBAR: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.BarEquals];
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeBAR) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.BarBar];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.Bar];
                                                       }
                                                   }

                                               }
                                               case TypeScript.LexCodeAMP: {
                                                   if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeEQ) {
                                                       this.advanceChar(2);
                                                       return TypeScript.staticTokens[TypeScript.TokenID.AmpersandEquals];
                                                   } else {
                                                       if(this.peekCharAt(this.pos + 1) == TypeScript.LexCodeAMP) {
                                                           this.advanceChar(2);
                                                           return TypeScript.staticTokens[TypeScript.TokenID.AmpersandAmpersand];
                                                       } else {
                                                           this.nextChar();
                                                           return TypeScript.staticTokens[TypeScript.TokenID.And];
                                                       }
                                                   }

                                               }
                                               default: {
                                                   this.reportScannerError("Invalid character");
                                                   this.nextChar();
                                                   continue start;

                                               }
                                           }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
           }
           return TypeScript.staticTokens[TypeScript.TokenID.EndOfFile];
       };
       Scanner.prototype.reportScannerError = function (message) {
           if(this.reportError) {
               this.reportError(message);
           }
       };
       return Scanner;
   })();
   TypeScript.Scanner = Scanner;    
   function convertTokToIDName(tok) {
       return convertTokToIDBase(tok, true, false);
   }
   TypeScript.convertTokToIDName = convertTokToIDName;
   function convertTokToID(tok, strictMode) {
       return convertTokToIDBase(tok, false, strictMode);
   }
   TypeScript.convertTokToID = convertTokToID;
   function convertTokToIDBase(tok, identifierName, strictMode) {
       if(tok.tokenId <= TypeScript.TokenID.LimKeyword) {
           var tokInfo = TypeScript.lookupToken(tok.tokenId);
           if(tokInfo != undefined) {
               var resFlags = TypeScript.Reservation.Javascript | TypeScript.Reservation.JavascriptFuture;
               if(strictMode) {
                   resFlags |= TypeScript.Reservation.JavascriptFutureStrict;
               }
               if(identifierName || !TypeScript.hasFlag(tokInfo.reservation, resFlags)) {
                   return true;
               }
           } else {
               return false;
           }
       } else {
           return false;
       }
   }
   function getLineNumberFromPosition(lineMap, position) {
       if(position === -1) {
           return 0;
       }
       var min = 0;
       var max = lineMap.length - 1;
       while(min < max) {
           var med = (min + max) >> 1;
           if(position < lineMap[med]) {
               max = med - 1;
           } else {
               if(position < lineMap[med + 1]) {
                   min = max = med;
               } else {
                   min = med + 1;
               }
           }
       }
       return min;
   }
   TypeScript.getLineNumberFromPosition = getLineNumberFromPosition;
   function getSourceLineColFromMap(lineCol, minChar, lineMap) {
       var line = getLineNumberFromPosition(lineMap, minChar);
       if(line > 0) {
           lineCol.line = line;
           lineCol.col = (minChar - lineMap[line]);
       }
   }
   TypeScript.getSourceLineColFromMap = getSourceLineColFromMap;
   function getLineColumnFromPosition(script, position) {
       var result = {
           line: -1,
           col: -1
       };
       getSourceLineColFromMap(result, position, script.locationInfo.lineMap);
       if(result.col >= 0) {
           result.col++;
       }
       return result;
   }
   TypeScript.getLineColumnFromPosition = getLineColumnFromPosition;
   function getPositionFromLineColumn(script, line, column) {
       return script.locationInfo.lineMap[line] + (column - 1);
   }
   TypeScript.getPositionFromLineColumn = getPositionFromLineColumn;
   function isPrimitiveTypeToken(token) {
       switch(token.tokenId) {
           case TypeScript.TokenID.Any:
           case TypeScript.TokenID.Bool:
           case TypeScript.TokenID.Number:
           case TypeScript.TokenID.String: {
               return true;

           }
       }
       return false;
   }
   TypeScript.isPrimitiveTypeToken = isPrimitiveTypeToken;
   function isModifier(token) {
       switch(token.tokenId) {
           case TypeScript.TokenID.Public:
           case TypeScript.TokenID.Private:
           case TypeScript.TokenID.Static: {
               return true;

           }
       }
       return false;
   }
   TypeScript.isModifier = isModifier;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var AssignScopeContext = (function () {
       function AssignScopeContext(scopeChain, typeFlow, modDeclChain) {
           this.scopeChain = scopeChain;
           this.typeFlow = typeFlow;
           this.modDeclChain = modDeclChain;
       }
       return AssignScopeContext;
   })();
   TypeScript.AssignScopeContext = AssignScopeContext;    
   function pushAssignScope(scope, context, type, classType, fnc) {
       var chain = new TypeScript.ScopeChain(null, context.scopeChain, scope);
       chain.thisType = type;
       chain.classType = classType;
       chain.fnc = fnc;
       context.scopeChain = chain;
   }
   TypeScript.pushAssignScope = pushAssignScope;
   function popAssignScope(context) {
       context.scopeChain = context.scopeChain.previous;
   }
   TypeScript.popAssignScope = popAssignScope;
   function instanceCompare(a, b) {
       if(((a == null) || (!a.isInstanceProperty()))) {
           return b;
       } else {
           return a;
       }
   }
   TypeScript.instanceCompare = instanceCompare;
   function instanceFilterStop(s) {
       return s.isInstanceProperty();
   }
   TypeScript.instanceFilterStop = instanceFilterStop;
   var ScopeSearchFilter = (function () {
       function ScopeSearchFilter(select, stop) {
           this.select = select;
           this.stop = stop;
           this.result = null;
       }
       ScopeSearchFilter.prototype.reset = function () {
           this.result = null;
       };
       ScopeSearchFilter.prototype.update = function (b) {
           this.result = this.select(this.result, b);
           if(this.result) {
               return this.stop(this.result);
           } else {
               return false;
           }
       };
       return ScopeSearchFilter;
   })();
   TypeScript.ScopeSearchFilter = ScopeSearchFilter;    
   TypeScript.instanceFilter = new ScopeSearchFilter(instanceCompare, instanceFilterStop);
   function preAssignModuleScopes(ast, context) {
       var moduleDecl = ast;
       var memberScope = null;
       var aggScope = null;
       if(moduleDecl.name && moduleDecl.mod) {
           moduleDecl.name.sym = moduleDecl.mod.symbol;
       }
       var mod = moduleDecl.mod;
       if(!mod) {
           return;
       }
       memberScope = new TypeScript.SymbolTableScope(mod.members, mod.ambientMembers, mod.enclosedTypes, mod.ambientEnclosedTypes, mod.symbol);
       mod.memberScope = memberScope;
       context.modDeclChain.push(moduleDecl);
       context.typeFlow.checker.currentModDecl = moduleDecl;
       aggScope = new TypeScript.SymbolAggregateScope(mod.symbol);
       aggScope.addParentScope(memberScope);
       aggScope.addParentScope(context.scopeChain.scope);
       pushAssignScope(aggScope, context, null, null, null);
       mod.containedScope = aggScope;
       if(mod.symbol) {
           context.typeFlow.addLocalsFromScope(mod.containedScope, mod.symbol, moduleDecl.vars, mod.members.privateMembers, true);
       }
   }
   TypeScript.preAssignModuleScopes = preAssignModuleScopes;
   function preAssignClassScopes(ast, context) {
       var classDecl = ast;
       var memberScope = null;
       var aggScope = null;
       if(classDecl.name && classDecl.type) {
           classDecl.name.sym = classDecl.type.symbol;
       }
       var classType = ast.type;
       if(classType) {
           var classSym = classType.symbol;
           memberScope = context.typeFlow.checker.scopeOf(classType);
           aggScope = new TypeScript.SymbolAggregateScope(classType.symbol);
           aggScope.addParentScope(memberScope);
           aggScope.addParentScope(context.scopeChain.scope);
           classType.containedScope = aggScope;
           classType.memberScope = memberScope;
           var instanceType = classType.instanceType;
           memberScope = context.typeFlow.checker.scopeOf(instanceType);
           instanceType.memberScope = memberScope;
           aggScope = new TypeScript.SymbolAggregateScope(instanceType.symbol);
           aggScope.addParentScope(context.scopeChain.scope);
           pushAssignScope(aggScope, context, instanceType, classType, null);
           instanceType.containedScope = aggScope;
       } else {
           ast.type = context.typeFlow.anyType;
       }
   }
   TypeScript.preAssignClassScopes = preAssignClassScopes;
   function preAssignInterfaceScopes(ast, context) {
       var interfaceDecl = ast;
       var memberScope = null;
       var aggScope = null;
       if(interfaceDecl.name && interfaceDecl.type) {
           interfaceDecl.name.sym = interfaceDecl.type.symbol;
       }
       var interfaceType = ast.type;
       memberScope = context.typeFlow.checker.scopeOf(interfaceType);
       interfaceType.memberScope = memberScope;
       aggScope = new TypeScript.SymbolAggregateScope(interfaceType.symbol);
       aggScope.addParentScope(memberScope);
       aggScope.addParentScope(context.scopeChain.scope);
       pushAssignScope(aggScope, context, null, null, null);
       interfaceType.containedScope = aggScope;
   }
   TypeScript.preAssignInterfaceScopes = preAssignInterfaceScopes;
   function preAssignWithScopes(ast, context) {
       var withStmt = ast;
       var withType = withStmt.type;
       var members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
       var ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
       var withType = new TypeScript.Type();
       var withSymbol = new TypeScript.WithSymbol(withStmt.minChar, context.typeFlow.checker.locationInfo.unitIndex, withType);
       withType.members = members;
       withType.ambientMembers = ambientMembers;
       withType.symbol = withSymbol;
       withType.setHasImplementation();
       withStmt.type = withType;
       var withScope = new TypeScript.SymbolScopeBuilder(withType.members, withType.ambientMembers, null, null, context.scopeChain.scope, withType.symbol);
       pushAssignScope(withScope, context, null, null, null);
       withType.containedScope = withScope;
   }
   TypeScript.preAssignWithScopes = preAssignWithScopes;
   function preAssignFuncDeclScopes(ast, context) {
       var funcDecl = ast;
       var container = null;
       var localContainer = null;
       if(funcDecl.type) {
           localContainer = ast.type.symbol;
       }
       var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
       var isInnerStatic = isStatic && context.scopeChain.fnc != null;
       var parentScope = isInnerStatic ? context.scopeChain.fnc.type.memberScope : context.scopeChain.scope;
       if(context.scopeChain.thisType && (!funcDecl.isConstructor || TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod))) {
           var instType = context.scopeChain.thisType;
           if(!(instType.typeFlags & TypeScript.TypeFlags.IsClass) && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
               if(!funcDecl.isMethod() || isStatic) {
                   parentScope = instType.constructorScope;
               } else {
                   parentScope = instType.containedScope;
               }
           } else {
               if(context.scopeChain.previous.scope.container && context.scopeChain.previous.scope.container.declAST && context.scopeChain.previous.scope.container.declAST.nodeType == TypeScript.NodeType.FuncDecl && (context.scopeChain.previous.scope.container.declAST).isConstructor) {
                   parentScope = instType.constructorScope;
               } else {
                   if(isStatic && context.scopeChain.classType) {
                       parentScope = context.scopeChain.classType.containedScope;
                   } else {
                       parentScope = instType.containedScope;
                   }
               }
           }
           container = instType.symbol;
       } else {
           if(funcDecl.isConstructor && context.scopeChain.thisType) {
               container = context.scopeChain.thisType.symbol;
           }
       }
       if(funcDecl.type == null || TypeScript.hasFlag(funcDecl.type.symbol.flags, TypeScript.SymbolFlags.TypeSetDuringScopeAssignment)) {
           if(context.scopeChain.fnc && context.scopeChain.fnc.type) {
               container = context.scopeChain.fnc.type.symbol;
           }
           var funcScope = null;
           var outerFnc = context.scopeChain.fnc;
           var nameText = funcDecl.name ? funcDecl.name.actualText : null;
           var fgSym = null;
           if(isStatic) {
               if(outerFnc.type.members == null && container.getType().memberScope) {
                   outerFnc.type.members = ((container).type.memberScope).valueMembers;
               }
               funcScope = context.scopeChain.fnc.type.memberScope;
               outerFnc.innerStaticFuncs[outerFnc.innerStaticFuncs.length] = funcDecl;
           } else {
               funcScope = context.scopeChain.scope;
           }
           if(nameText && nameText != "__missing" && !funcDecl.isAccessor()) {
               if(isStatic) {
                   fgSym = funcScope.findLocal(nameText, false, false);
               } else {
                   fgSym = funcScope.findLocal(nameText, false, false);
               }
           }
           context.typeFlow.checker.createFunctionSignature(funcDecl, container, funcScope, fgSym, fgSym == null);
           if(!funcDecl.accessorSymbol && (funcDecl.fncFlags & TypeScript.FncFlags.ClassMethod) && container && ((!fgSym || fgSym.declAST.nodeType != TypeScript.NodeType.FuncDecl) && funcDecl.isAccessor()) || (fgSym && fgSym.isAccessor())) {
               funcDecl.accessorSymbol = context.typeFlow.checker.createAccessorSymbol(funcDecl, fgSym, container.getType(), (funcDecl.isMethod() && isStatic), true, funcScope, container);
           }
           funcDecl.type.symbol.flags |= TypeScript.SymbolFlags.TypeSetDuringScopeAssignment;
       }
       if(funcDecl.name && funcDecl.type) {
           funcDecl.name.sym = funcDecl.type.symbol;
       }
       funcDecl.scopeType = funcDecl.type;
       if(funcDecl.isOverload) {
           return;
       }
       var funcTable = new TypeScript.StringHashTable();
       var funcMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(funcTable, new TypeScript.StringHashTable()));
       var ambientFuncTable = new TypeScript.StringHashTable();
       var ambientFuncMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(ambientFuncTable, new TypeScript.StringHashTable()));
       var funcStaticTable = new TypeScript.StringHashTable();
       var funcStaticMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(funcStaticTable, new TypeScript.StringHashTable()));
       var ambientFuncStaticTable = new TypeScript.StringHashTable();
       var ambientFuncStaticMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(ambientFuncStaticTable, new TypeScript.StringHashTable()));
       funcDecl.unitIndex = context.typeFlow.checker.locationInfo.unitIndex;
       var locals = new TypeScript.SymbolScopeBuilder(funcMembers, ambientFuncMembers, null, null, parentScope, localContainer);
       var statics = new TypeScript.SymbolScopeBuilder(funcStaticMembers, ambientFuncStaticMembers, null, null, parentScope, null);
       if(funcDecl.isConstructor && context.scopeChain.thisType) {
           context.scopeChain.thisType.constructorScope = locals;
       }
       funcDecl.symbols = funcTable;
       if(!funcDecl.isSpecialFn()) {
           var group = funcDecl.type;
           var signature = funcDecl.signature;
           if(!funcDecl.isConstructor) {
               group.containedScope = locals;
               locals.container = group.symbol;
               group.memberScope = statics;
               statics.container = group.symbol;
           }
           funcDecl.enclosingFnc = context.scopeChain.fnc;
           group.enclosingType = isStatic ? context.scopeChain.classType : context.scopeChain.thisType;
           var fgSym = ast.type.symbol;
           if(((funcDecl.fncFlags & TypeScript.FncFlags.Signature) == TypeScript.FncFlags.None) && funcDecl.vars) {
               context.typeFlow.addLocalsFromScope(locals, fgSym, funcDecl.vars, funcTable, false);
               context.typeFlow.addLocalsFromScope(statics, fgSym, funcDecl.statics, funcStaticTable, false);
           }
           if(signature.parameters) {
               var len = signature.parameters.length;
               for(var i = 0; i < len; i++) {
                   var paramSym = signature.parameters[i];
                   context.typeFlow.checker.resolveTypeLink(locals, paramSym.parameter.typeLink, true);
               }
           }
           context.typeFlow.checker.resolveTypeLink(locals, signature.returnType, funcDecl.isSignature());
       }
       if(!funcDecl.isConstructor || TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
           var thisType = (funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) ? context.scopeChain.thisType : null;
           pushAssignScope(locals, context, thisType, null, funcDecl);
       }
       if(funcDecl.name && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFunctionExpression)) {
           if(funcDecl.name.sym) {
               funcTable.add(funcDecl.name.actualText, funcDecl.name.sym);
           }
       }
   }
   TypeScript.preAssignFuncDeclScopes = preAssignFuncDeclScopes;
   function preAssignCatchScopes(ast, context) {
       var catchBlock = ast;
       if(catchBlock.param) {
           var catchTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           var catchLocals = new TypeScript.SymbolScopeBuilder(catchTable, null, null, null, context.scopeChain.scope, context.scopeChain.scope.container);
           catchBlock.containedScope = catchLocals;
           pushAssignScope(catchLocals, context, context.scopeChain.thisType, context.scopeChain.classType, context.scopeChain.fnc);
       }
   }
   TypeScript.preAssignCatchScopes = preAssignCatchScopes;
   function preAssignScopes(ast, parent, walker) {
       var context = walker.state;
       var go = true;
       if(ast) {
           if(ast.nodeType == TypeScript.NodeType.List) {
               var list = ast;
               list.enclosingScope = context.scopeChain.scope;
           } else {
               if(ast.nodeType == TypeScript.NodeType.ModuleDeclaration) {
                   preAssignModuleScopes(ast, context);
               } else {
                   if(ast.nodeType == TypeScript.NodeType.ClassDeclaration) {
                       preAssignClassScopes(ast, context);
                   } else {
                       if(ast.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                           preAssignInterfaceScopes(ast, context);
                       } else {
                           if(ast.nodeType == TypeScript.NodeType.With) {
                               preAssignWithScopes(ast, context);
                           } else {
                               if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                   preAssignFuncDeclScopes(ast, context);
                               } else {
                                   if(ast.nodeType == TypeScript.NodeType.Catch) {
                                       preAssignCatchScopes(ast, context);
                                   } else {
                                       if(ast.nodeType == TypeScript.NodeType.TypeRef) {
                                           go = false;
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
           }
       }
       walker.options.goChildren = go;
       return ast;
   }
   TypeScript.preAssignScopes = preAssignScopes;
   function postAssignScopes(ast, parent, walker) {
       var context = walker.state;
       var go = true;
       if(ast) {
           if(ast.nodeType == TypeScript.NodeType.ModuleDeclaration) {
               var prevModDecl = ast;
               popAssignScope(context);
               context.modDeclChain.pop();
               if(context.modDeclChain.length >= 1) {
                   context.typeFlow.checker.currentModDecl = context.modDeclChain[context.modDeclChain.length - 1];
               }
           } else {
               if(ast.nodeType == TypeScript.NodeType.ClassDeclaration) {
                   popAssignScope(context);
               } else {
                   if(ast.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                       popAssignScope(context);
                   } else {
                       if(ast.nodeType == TypeScript.NodeType.With) {
                           popAssignScope(context);
                       } else {
                           if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                               var funcDecl = ast;
                               if((!funcDecl.isConstructor || TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) && !funcDecl.isOverload) {
                                   popAssignScope(context);
                               }
                           } else {
                               if(ast.nodeType == TypeScript.NodeType.Catch) {
                                   var catchBlock = ast;
                                   if(catchBlock.param) {
                                       popAssignScope(context);
                                   }
                               } else {
                                   go = false;
                               }
                           }
                       }
                   }
               }
           }
       }
       walker.options.goChildren = go;
       return ast;
   }
   TypeScript.postAssignScopes = postAssignScopes;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var TypeCollectionContext = (function () {
       function TypeCollectionContext(scopeChain, checker) {
           this.scopeChain = scopeChain;
           this.checker = checker;
           this.script = null;
       }
       return TypeCollectionContext;
   })();
   TypeScript.TypeCollectionContext = TypeCollectionContext;    
   var MemberScopeContext = (function () {
       function MemberScopeContext(flow, pos, matchFlag) {
           this.flow = flow;
           this.pos = pos;
           this.matchFlag = matchFlag;
           this.type = null;
           this.ast = null;
           this.options = new TypeScript.AstWalkOptions();
       }
       return MemberScopeContext;
   })();
   TypeScript.MemberScopeContext = MemberScopeContext;    
   var EnclosingScopeContext = (function () {
       function EnclosingScopeContext(logger, script, text, pos, isMemberCompletion) {
           this.logger = logger;
           this.script = script;
           this.text = text;
           this.pos = pos;
           this.isMemberCompletion = isMemberCompletion;
           this.scopeGetter = null;
           this.objectLiteralScopeGetter = null;
           this.scopeStartAST = null;
           this.skipNextFuncDeclForClass = false;
           this.deepestModuleDecl = null;
           this.enclosingClassDecl = null;
           this.enclosingObjectLit = null;
           this.publicsOnly = true;
           this.useFullAst = false;
       }
       EnclosingScopeContext.prototype.getScope = function () {
           return this.scopeGetter();
       };
       EnclosingScopeContext.prototype.getObjectLiteralScope = function () {
           return this.objectLiteralScopeGetter();
       };
       EnclosingScopeContext.prototype.getScopeAST = function () {
           return this.scopeStartAST;
       };
       EnclosingScopeContext.prototype.getScopePosition = function () {
           return this.scopeStartAST.minChar;
       };
       EnclosingScopeContext.prototype.getScriptFragmentStartAST = function () {
           return this.scopeStartAST;
       };
       EnclosingScopeContext.prototype.getScriptFragmentPosition = function () {
           return this.getScriptFragmentStartAST().minChar;
       };
       EnclosingScopeContext.prototype.getScriptFragment = function () {
           if(this.scriptFragment == null) {
               var ast = this.getScriptFragmentStartAST();
               var minChar = ast.minChar;
               var limChar = (this.isMemberCompletion ? this.pos : this.pos + 1);
               this.scriptFragment = TypeScript.quickParse(this.logger, ast, this.text, minChar, limChar, null).Script;
           }
           return this.scriptFragment;
       };
       return EnclosingScopeContext;
   })();
   TypeScript.EnclosingScopeContext = EnclosingScopeContext;    
   function preFindMemberScope(ast, parent, walker) {
       var memScope = walker.state;
       if(TypeScript.hasFlag(ast.flags, memScope.matchFlag) && ((memScope.pos < 0) || (memScope.pos == ast.limChar))) {
           memScope.ast = ast;
           if((ast.type == null) && (memScope.pos >= 0)) {
               memScope.flow.inScopeTypeCheck(ast, memScope.scope);
           }
           memScope.type = ast.type;
           memScope.options.stopWalk();
       }
       return ast;
   }
   TypeScript.preFindMemberScope = preFindMemberScope;
   function pushTypeCollectionScope(container, valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, context, thisType, classType, moduleDecl) {
       var builder = new TypeScript.SymbolScopeBuilder(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, null, container);
       var chain = new TypeScript.ScopeChain(container, context.scopeChain, builder);
       chain.thisType = thisType;
       chain.classType = classType;
       chain.moduleDecl = moduleDecl;
       context.scopeChain = chain;
   }
   TypeScript.pushTypeCollectionScope = pushTypeCollectionScope;
   function popTypeCollectionScope(context) {
       context.scopeChain = context.scopeChain.previous;
   }
   TypeScript.popTypeCollectionScope = popTypeCollectionScope;
   function preFindEnclosingScope(ast, parent, walker) {
       var context = walker.state;
       var minChar = ast.minChar;
       var limChar = ast.limChar;
       if(ast.nodeType == TypeScript.NodeType.Script && context.pos > limChar) {
           limChar = context.pos;
       }
       if((minChar <= context.pos) && (limChar >= context.pos)) {
           switch(ast.nodeType) {
               case TypeScript.NodeType.Script: {
                   var script = ast;
                   context.scopeGetter = function () {
                       return script.bod === null ? null : script.bod.enclosingScope;
                   };
                   context.scopeStartAST = script;
                   break;

               }
               case TypeScript.NodeType.ClassDeclaration: {
                   context.scopeGetter = function () {
                       return (ast.type === null || ast.type.instanceType.containedScope === null) ? null : ast.type.instanceType.containedScope;
                   };
                   context.scopeStartAST = ast;
                   context.enclosingClassDecl = ast;
                   break;

               }
               case TypeScript.NodeType.ObjectLit: {
                   var objectLit = ast;
                   if(objectLit.targetType) {
                       context.scopeGetter = function () {
                           return objectLit.targetType.containedScope;
                       };
                       context.objectLiteralScopeGetter = function () {
                           return objectLit.targetType.memberScope;
                       };
                       context.enclosingObjectLit = objectLit;
                   }
                   break;

               }
               case TypeScript.NodeType.ModuleDeclaration: {
                   context.deepestModuleDecl = ast;
                   context.scopeGetter = function () {
                       return ast.type === null ? null : ast.type.containedScope;
                   };
                   context.scopeStartAST = ast;
                   break;

               }
               case TypeScript.NodeType.InterfaceDeclaration: {
                   context.scopeGetter = function () {
                       return (ast.type === null) ? null : ast.type.containedScope;
                   };
                   context.scopeStartAST = ast;
                   break;

               }
               case TypeScript.NodeType.FuncDecl: {
{
                       var funcDecl = ast;
                       if(context.skipNextFuncDeclForClass) {
                           context.skipNextFuncDeclForClass = false;
                       } else {
                           context.scopeGetter = function () {
                               if(funcDecl.isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                                   if(ast.type && ast.type.enclosingType) {
                                       return ast.type.enclosingType.constructorScope;
                                   }
                               }
                               if(funcDecl.scopeType) {
                                   return funcDecl.scopeType.containedScope;
                               }
                               if(funcDecl.type) {
                                   return funcDecl.type.containedScope;
                               }
                               return null;
                           };
                           context.scopeStartAST = ast;
                       }
                   }
                   break;

               }
           }
           walker.options.goChildren = true;
       } else {
           walker.options.goChildren = false;
       }
       return ast;
   }
   TypeScript.preFindEnclosingScope = preFindEnclosingScope;
   function findEnclosingScopeAt(logger, script, text, pos, isMemberCompletion) {
       var context = new EnclosingScopeContext(logger, script, text, pos, isMemberCompletion);
       TypeScript.getAstWalkerFactory().walk(script, preFindEnclosingScope, null, null, context);
       if(context.scopeStartAST === null) {
           return null;
       }
       return context;
   }
   TypeScript.findEnclosingScopeAt = findEnclosingScopeAt;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var Signature = (function () {
       function Signature() {
           this.hasVariableArgList = false;
           this.parameters = null;
           this.declAST = null;
           this.typeCheckStatus = TypeScript.TypeCheckStatus.NotStarted;
           this.nonOptionalParameterCount = 0;
       }
       Signature.prototype.specializeType = function (pattern, replacement, checker) {
           var result = new Signature();
           if(this.hasVariableArgList) {
               result.hasVariableArgList = true;
           }
           result.returnType = new TypeScript.TypeLink();
           if(this.returnType.type) {
               result.returnType.type = this.returnType.type.specializeType(pattern, replacement, checker, false);
           } else {
               result.returnType.type = checker.anyType;
           }
           if(this.parameters) {
               result.parameters = [];
               for(var i = 0, len = this.parameters.length; i < len; i++) {
                   var oldSym = this.parameters[i];
                   var paramDef = new TypeScript.ValueLocation();
                   var paramSym = new TypeScript.ParameterSymbol(oldSym.name, oldSym.location, checker.locationInfo.unitIndex, paramDef);
                   paramSym.declAST = this.declAST;
                   paramDef.symbol = paramSym;
                   paramDef.typeLink = new TypeScript.TypeLink();
                   result.parameters[i] = paramSym;
                   var oldType = oldSym.getType();
                   if(oldType) {
                       paramDef.typeLink.type = oldType.specializeType(pattern, replacement, checker, false);
                       paramSym.declAST.type = paramDef.typeLink.type;
                   } else {
                       paramDef.typeLink.type = checker.anyType;
                   }
               }
           }
           result.nonOptionalParameterCount = this.nonOptionalParameterCount;
           result.declAST = this.declAST;
           return result;
       };
       Signature.prototype.toString = function () {
           return this.toStringHelper(false, false, null);
       };
       Signature.prototype.toStringHelper = function (shortform, brackets, scope) {
           return this.toStringHelperEx(shortform, brackets, scope).toString();
       };
       Signature.prototype.toStringHelperEx = function (shortform, brackets, scope, prefix) {
           if (typeof prefix === "undefined") { prefix = ""; }
           var builder = new TypeScript.MemberNameArray();
           if(brackets) {
               builder.prefix = prefix + "[";
           } else {
               builder.prefix = prefix + "(";
           }
           var paramLen = this.parameters.length;
           var len = this.hasVariableArgList ? paramLen - 1 : paramLen;
           for(var i = 0; i < len; i++) {
               builder.add(TypeScript.MemberName.create(this.parameters[i].name + (this.parameters[i].isOptional() ? "?" : "") + ": "));
               builder.add(this.parameters[i].getType().getScopedTypeNameEx(scope));
               if(i < paramLen - 1) {
                   builder.add(TypeScript.MemberName.create(", "));
               }
           }
           if(this.hasVariableArgList) {
               builder.add(TypeScript.MemberName.create("..." + this.parameters[i].name + ": "));
               builder.add(this.parameters[i].getType().getScopedTypeNameEx(scope));
           }
           if(shortform) {
               if(brackets) {
                   builder.add(TypeScript.MemberName.create("] => "));
               } else {
                   builder.add(TypeScript.MemberName.create(") => "));
               }
           } else {
               if(brackets) {
                   builder.add(TypeScript.MemberName.create("]: "));
               } else {
                   builder.add(TypeScript.MemberName.create("): "));
               }
           }
           if(this.returnType.type) {
               builder.add(this.returnType.type.getScopedTypeNameEx(scope));
           } else {
               builder.add(TypeScript.MemberName.create("any"));
           }
           return builder;
       };
       return Signature;
   })();
   TypeScript.Signature = Signature;    
   var SignatureGroup = (function () {
       function SignatureGroup() {
           this.signatures = [];
           this.hasImplementation = true;
           this.definitionSignature = null;
           this.hasBeenTypechecked = false;
           this.flags = TypeScript.SignatureFlags.None;
       }
       SignatureGroup.prototype.addSignature = function (signature) {
           if(this.signatures == null) {
               this.signatures = new Array();
           }
           this.signatures[this.signatures.length] = signature;
           if(signature.declAST && !signature.declAST.isOverload && !signature.declAST.isSignature() && !TypeScript.hasFlag(signature.declAST.fncFlags, TypeScript.FncFlags.Ambient) && TypeScript.hasFlag(signature.declAST.fncFlags, TypeScript.FncFlags.Definition)) {
               this.definitionSignature = signature;
           }
       };
       SignatureGroup.prototype.toString = function () {
           return this.signatures.toString();
       };
       SignatureGroup.prototype.toStrings = function (prefix, shortform, scope) {
           var result = [];
           var len = this.signatures.length;
           if(len > 1) {
               shortform = false;
           }
           for(var i = 0; i < len; i++) {
               if(len > 1 && this.signatures[i] == this.definitionSignature) {
                   continue;
               }
               if(this.flags & TypeScript.SignatureFlags.IsIndexer) {
                   result.push(this.signatures[i].toStringHelperEx(shortform, true, scope));
               } else {
                   result.push(this.signatures[i].toStringHelperEx(shortform, false, scope, prefix));
               }
           }
           return result;
       };
       SignatureGroup.prototype.specializeType = function (pattern, replacement, checker) {
           var result = new SignatureGroup();
           if(this.signatures) {
               for(var i = 0, len = this.signatures.length; i < len; i++) {
                   result.addSignature(this.signatures[i].specializeType(pattern, replacement, checker));
               }
           }
           return result;
       };
       SignatureGroup.prototype.verifySignatures = function (checker) {
           var len = 0;
           if(this.signatures && ((len = this.signatures.length) > 0)) {
               for(var i = 0; i < len; i++) {
                   for(var j = i + 1; j < len; j++) {
                       if(this.signatures[i].declAST && this.signatures[j].declAST && (!TypeScript.hasFlag(this.signatures[i].declAST.fncFlags, TypeScript.FncFlags.Definition) && !TypeScript.hasFlag(this.signatures[j].declAST.fncFlags, TypeScript.FncFlags.Definition)) && checker.signaturesAreIdentical(this.signatures[i], this.signatures[j])) {
                           checker.errorReporter.simpleError(this.signatures[i].declAST, (this.signatures[i].declAST && this.signatures[i].declAST.name) ? "Signature for '" + this.signatures[i].declAST.name.actualText + "' is duplicated" : "Signature is duplicated");
                       }
                   }
                   if(this.definitionSignature) {
                       if(!checker.signatureIsAssignableToTarget(this.definitionSignature, this.signatures[i])) {
                           checker.errorReporter.simpleError(this.signatures[i].declAST, "Overload signature is not compatible with function definition");
                       }
                   }
               }
           }
       };
       SignatureGroup.prototype.typeCheck = function (checker, ast, hasConstruct) {
           if(this.hasBeenTypechecked) {
               return;
           }
           this.hasBeenTypechecked = true;
           var len = 0;
           if(this.signatures && ((len = this.signatures.length) > 0)) {
               for(var i = 0; i < len; i++) {
                   if(!hasConstruct && !this.definitionSignature && this.signatures[i].declAST && this.signatures[i].declAST.isOverload && !TypeScript.hasFlag(this.signatures[i].declAST.fncFlags, TypeScript.FncFlags.Ambient)) {
                       checker.errorReporter.simpleError(this.signatures[i].declAST, "Overload declaration lacks definition");
                   }
                   if(this.signatures[i].declAST && this.signatures[i].declAST.isConstructor && this.signatures[i].declAST.classDecl && this.signatures[i].declAST.classDecl.type.symbol.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                       checker.typeFlow.typeCheck(this.signatures[i].declAST.classDecl);
                   }
                   checker.typeFlow.typeCheck(this.signatures[i].declAST);
               }
               this.verifySignatures(checker);
           }
       };
       return SignatureGroup;
   })();
   TypeScript.SignatureGroup = SignatureGroup;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (TypeCheckStatus) {
       TypeCheckStatus._map = [];
       TypeCheckStatus._map[0] = "NotStarted";
       TypeCheckStatus.NotStarted = 0;
       TypeCheckStatus._map[1] = "Started";
       TypeCheckStatus.Started = 1;
       TypeCheckStatus._map[2] = "Finished";
       TypeCheckStatus.Finished = 2;
   })(TypeScript.TypeCheckStatus || (TypeScript.TypeCheckStatus = {}));
   var TypeCheckStatus = TypeScript.TypeCheckStatus;
   function aLexicallyEnclosesB(a, b) {
       if(a.declAST && b && b.declAST && a.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
           return a.declAST.minChar <= b.declAST.minChar && a.declAST.limChar >= b.declAST.limChar;
       } else {
           return false;
       }
   }
   TypeScript.aLexicallyEnclosesB = aLexicallyEnclosesB;
   function aEnclosesB(a, b) {
       while(a.container) {
           if(a == b || aLexicallyEnclosesB(a.container, b)) {
               return true;
           }
           a = a.container;
       }
       return false;
   }
   TypeScript.aEnclosesB = aEnclosesB;
   var Symbol = (function () {
       function Symbol(name, location, length, unitIndex) {
           this.name = name;
           this.location = location;
           this.length = length;
           this.unitIndex = unitIndex;
           this.bound = false;
           this.flags = TypeScript.SymbolFlags.None;
           this.isObjectLitField = false;
           this.declAST = null;
           this.declModule = null;
           this.passSymbolCreated = TypeScript.CompilerDiagnostics.analysisPass;
       }
       Symbol.prototype.instanceScope = function () {
           return null;
       };
       Symbol.prototype.isVariable = function () {
           return false;
       };
       Symbol.prototype.isMember = function () {
           return false;
       };
       Symbol.prototype.isInferenceSymbol = function () {
           return false;
       };
       Symbol.prototype.isWith = function () {
           return false;
       };
       Symbol.prototype.writeable = function () {
           return false;
       };
       Symbol.prototype.isType = function () {
           return false;
       };
       Symbol.prototype.getType = function () {
           return null;
       };
       Symbol.prototype.isAccessor = function () {
           return false;
       };
       Symbol.prototype.isInstanceProperty = function () {
           return TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Property) && (!TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.ModuleMember));
       };
       Symbol.prototype.getTypeName = function (scope) {
           return this.getTypeNameEx(scope).toString();
       };
       Symbol.prototype.getTypeNameEx = function (scope) {
           return TypeScript.MemberName.create(this.toString());
       };
       Symbol.prototype.getOptionalNameString = function () {
           return TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Optional) ? "?" : "";
       };
       Symbol.prototype.pathToRoot = function () {
           var path = new Array();
           var node = this;
           while(node && (node.name != TypeScript.globalId)) {
               path[path.length] = node;
               node = node.container;
           }
           return path;
       };
       Symbol.prototype.findCommonAncestorPath = function (b) {
           if(this.container == null) {
               return new Array();
           }
           var aPath = this.container.pathToRoot();
           var bPath;
           if(b) {
               bPath = b.pathToRoot();
           } else {
               bPath = new Array();
           }
           var commonNodeIndex = -1;
           for(var i = 0, aLen = aPath.length; i < aLen; i++) {
               var aNode = aPath[i];
               for(var j = 0, bLen = bPath.length; j < bLen; j++) {
                   var bNode = bPath[j];
                   if(aNode == bNode) {
                       commonNodeIndex = i;
                       break;
                   }
               }
               if(commonNodeIndex >= 0) {
                   break;
               }
           }
           if(commonNodeIndex >= 0) {
               return aPath.slice(0, commonNodeIndex);
           } else {
               return aPath;
           }
       };
       Symbol.prototype.getPrettyName = function (scopeSymbol) {
           return this.name;
       };
       Symbol.prototype.scopeRelativeName = function (scope) {
           if(scope == null) {
               return this.getPrettyName(null) + this.getOptionalNameString();
           }
           var lca = this.findCommonAncestorPath(scope.container);
           var builder = "";
           for(var i = 0, len = lca.length; i < len; i++) {
               var prettyName = lca[i].getPrettyName(i == len - 1 ? scope.container : lca[i + 1]);
               builder = prettyName + "." + builder;
           }
           builder += this.getPrettyName(len == 0 ? scope.container : lca[0]) + this.getOptionalNameString();
           return builder;
       };
       Symbol.prototype.fullName = function () {
           var builder = this.name;
           var ancestor = this.container;
           while(ancestor && (ancestor.name != TypeScript.globalId)) {
               builder = ancestor.name + "." + builder;
               ancestor = ancestor.container;
           }
           return builder;
       };
       Symbol.prototype.isExternallyVisible = function (checker) {
           if(this == checker.gloMod) {
               return true;
           }
           if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Private)) {
               return false;
           }
           if(!TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Exported)) {
               return this.container == checker.gloMod;
           }
           return this.container.isExternallyVisible(checker);
       };
       Symbol.prototype.visible = function (scope, checker) {
           if(checker == null || this.container == checker.gloMod) {
               return true;
           }
           if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.ModuleMember)) {
               if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Exported)) {
                   if(!TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Private)) {
                       return true;
                   } else {
                       return aEnclosesB(this, scope.container);
                   }
               } else {
                   return checker && (checker.currentModDecl == this.declModule) || (checker.currentModDecl && checker.currentModDecl.mod && checker.currentModDecl.mod.symbol && this.declModule && this.declModule.mod && this.declModule.mod.symbol && aEnclosesB(checker.currentModDecl.mod.symbol, this.declModule.mod.symbol));
               }
           } else {
               var isFunction = this.declAST && this.declAST.nodeType == TypeScript.NodeType.FuncDecl;
               var isMethod = isFunction && (this.declAST).isMethod();
               var isStaticFunction = isFunction && TypeScript.hasFlag((this.declAST).fncFlags, TypeScript.FncFlags.Static);
               var isPrivateMethod = isMethod && TypeScript.hasFlag((this.declAST).fncFlags, TypeScript.FncFlags.Private);
               var isAlias = this.isType() && (this).aliasLink;
               if(this.isMember() || isMethod || isStaticFunction || isAlias) {
                   if(TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Private) || isPrivateMethod) {
                       if(scope.container == null && this.container != scope.container) {
                           return false;
                       } else {
                           return this.container == null ? true : aEnclosesB(scope.container, this.container);
                       }
                   } else {
                       return true;
                   }
               } else {
                   if(this.container) {
                       return aEnclosesB(this, scope.container);
                   } else {
                       return true;
                   }
               }
           }
       };
       Symbol.prototype.addRef = function (identifier) {
           if(!this.refs) {
               this.refs = [];
           }
           this.refs[this.refs.length] = identifier;
       };
       Symbol.prototype.toString = function () {
           if(this.name) {
               return this.name;
           } else {
               return "_anonymous";
           }
       };
       Symbol.prototype.print = function (outfile) {
           outfile.Write(this.toString());
       };
       Symbol.prototype.specializeType = function (pattern, replacement, checker) {
           throw new Error("please implement in derived class");
       };
       Symbol.prototype.setType = function (type) {
           throw new Error("please implement in derived class");
       };
       Symbol.prototype.kind = function () {
           throw new Error("please implement in derived class");
       };
       Symbol.prototype.getInterfaceDeclFromSymbol = function (checker) {
           if(this.declAST != null) {
               if(this.declAST.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                   return this.declAST;
               } else {
                   if(this.container != null && this.container != checker.gloMod && this.container.declAST.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                       return this.container.declAST;
                   }
               }
           }
           return null;
       };
       Symbol.prototype.getVarDeclFromSymbol = function () {
           if(this.declAST != null && this.declAST.nodeType == TypeScript.NodeType.VarDecl) {
               return this.declAST;
           }
           return null;
       };
       Symbol.prototype.getDocComments = function () {
           if(this.declAST != null) {
               return this.declAST.getDocComments();
           }
           return [];
       };
       Symbol.prototype.isStatic = function () {
           return TypeScript.hasFlag(this.flags, TypeScript.SymbolFlags.Static);
       };
       return Symbol;
   })();
   TypeScript.Symbol = Symbol;    
   var ValueLocation = (function () {
       function ValueLocation() { }
       return ValueLocation;
   })();
   TypeScript.ValueLocation = ValueLocation;    
   var InferenceSymbol = (function (_super) {
       __extends(InferenceSymbol, _super);
       function InferenceSymbol(name, location, length, unitIndex) {
               _super.call(this, name, location, length, unitIndex);
           this.typeCheckStatus = TypeCheckStatus.NotStarted;
       }
       InferenceSymbol.prototype.isInferenceSymbol = function () {
           return true;
       };
       InferenceSymbol.prototype.transferVarFlags = function (varFlags) {
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Ambient)) {
               this.flags |= TypeScript.SymbolFlags.Ambient;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Constant)) {
               this.flags |= TypeScript.SymbolFlags.Constant;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Static)) {
               this.flags |= TypeScript.SymbolFlags.Static;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Property)) {
               this.flags |= TypeScript.SymbolFlags.Property;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Private)) {
               this.flags |= TypeScript.SymbolFlags.Private;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Public)) {
               this.flags |= TypeScript.SymbolFlags.Public;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Readonly)) {
               this.flags |= TypeScript.SymbolFlags.Readonly;
           }
           if(TypeScript.hasFlag(varFlags, TypeScript.VarFlags.Exported)) {
               this.flags |= TypeScript.SymbolFlags.Exported;
           }
       };
       return InferenceSymbol;
   })(Symbol);
   TypeScript.InferenceSymbol = InferenceSymbol;    
   var TypeSymbol = (function (_super) {
       __extends(TypeSymbol, _super);
       function TypeSymbol(locName, location, length, unitIndex, type) {
               _super.call(this, locName, location, length, unitIndex);
           this.type = type;
           this.expansions = [];
           this.expansionsDeclAST = [];
           this.isDynamic = false;
           this.isMethod = false;
           this.aliasLink = null;
           this.onlyReferencedAsTypeRef = TypeScript.optimizeModuleCodeGen;
           this.prettyName = this.name;
       }
       TypeSymbol.prototype.addLocation = function (loc) {
           if(this.additionalLocations == null) {
               this.additionalLocations = [];
           }
           this.additionalLocations[this.additionalLocations.length] = loc;
       };
       TypeSymbol.prototype.kind = function () {
           return TypeScript.SymbolKind.Type;
       };
       TypeSymbol.prototype.isType = function () {
           return true;
       };
       TypeSymbol.prototype.getType = function () {
           return this.type;
       };
       TypeSymbol.prototype.getTypeNameEx = function (scope) {
           return this.type.getMemberTypeNameEx(this.name ? this.name + this.getOptionalNameString() : "", false, false, scope);
       };
       TypeSymbol.prototype.instanceScope = function () {
           if(!(this.type.typeFlags & TypeScript.TypeFlags.IsClass) && this.type.isClass()) {
               return this.type.instanceType.constructorScope;
           } else {
               return this.type.containedScope;
           }
       };
       TypeSymbol.prototype.toString = function () {
           var result = this.type.getTypeName();
           if(this.name) {
               result = this.name + ":" + result;
           }
           return result;
       };
       TypeSymbol.prototype.isClass = function () {
           return this.instanceType != null;
       };
       TypeSymbol.prototype.isFunction = function () {
           return this.declAST != null && this.declAST.nodeType == TypeScript.NodeType.FuncDecl;
       };
       TypeSymbol.prototype.specializeType = function (pattern, replacement, checker) {
           if(this.type == pattern) {
               return replacement.symbol;
           } else {
               var replType = this.type.specializeType(pattern, replacement, checker, false);
               if(replType != this.type) {
                   var result = new TypeSymbol(this.name, -1, 0, -1, replType);
                   return result;
               } else {
                   return this;
               }
           }
       };
       TypeSymbol.prototype.getPrettyName = function (scopeSymbol) {
           if(!!scopeSymbol && TypeScript.isQuoted(this.prettyName) && this.type.isModuleType()) {
               var symbolPath = scopeSymbol.pathToRoot();
               var prettyName = this.getPrettyNameOfDynamicModule(symbolPath);
               if(prettyName != null) {
                   return prettyName.name;
               }
           }
           return this.prettyName;
       };
       TypeSymbol.prototype.getPrettyNameOfDynamicModule = function (scopeSymbolPath) {
           var scopeSymbolPathLength = scopeSymbolPath.length;
           var externalSymbol = null;
           if(scopeSymbolPath.length > 0 && scopeSymbolPath[scopeSymbolPathLength - 1].getType().isModuleType() && (scopeSymbolPath[scopeSymbolPathLength - 1]).isDynamic) {
               if(scopeSymbolPathLength > 1 && scopeSymbolPath[scopeSymbolPathLength - 2].getType().isModuleType() && (scopeSymbolPath[scopeSymbolPathLength - 2]).isDynamic) {
                   var moduleType = scopeSymbolPath[scopeSymbolPathLength - 2].getType();
                   externalSymbol = moduleType.findDynamicModuleName(this.type);
               }
               if(externalSymbol == null) {
                   var moduleType = scopeSymbolPath[scopeSymbolPathLength - 1].getType();
                   externalSymbol = moduleType.findDynamicModuleName(this.type);
               }
           }
           return externalSymbol;
       };
       TypeSymbol.prototype.getDocComments = function () {
           var comments = [];
           if(this.declAST != null) {
               comments = comments.concat(this.declAST.getDocComments());
           }
           for(var i = 0; i < this.expansionsDeclAST.length; i++) {
               comments = comments.concat(this.expansionsDeclAST[i].getDocComments());
           }
           return comments;
       };
       return TypeSymbol;
   })(InferenceSymbol);
   TypeScript.TypeSymbol = TypeSymbol;    
   var WithSymbol = (function (_super) {
       __extends(WithSymbol, _super);
       function WithSymbol(location, unitIndex, withType) {
               _super.call(this, "with", location, 4, unitIndex, withType);
       }
       WithSymbol.prototype.isWith = function () {
           return true;
       };
       return WithSymbol;
   })(TypeSymbol);
   TypeScript.WithSymbol = WithSymbol;    
   var FieldSymbol = (function (_super) {
       __extends(FieldSymbol, _super);
       function FieldSymbol(name, location, unitIndex, canWrite, field) {
               _super.call(this, name, location, name.length, unitIndex);
           this.canWrite = canWrite;
           this.field = field;
           this.getter = null;
           this.setter = null;
           this.hasBeenEmitted = false;
           this.name = name;
           this.location = location;
       }
       FieldSymbol.prototype.kind = function () {
           return TypeScript.SymbolKind.Field;
       };
       FieldSymbol.prototype.writeable = function () {
           return this.isAccessor() ? this.setter != null : this.canWrite;
       };
       FieldSymbol.prototype.getType = function () {
           return this.field.typeLink.type;
       };
       FieldSymbol.prototype.getTypeNameEx = function (scope) {
           return TypeScript.MemberName.create(this.field.typeLink.type.getScopedTypeNameEx(scope), this.name + this.getOptionalNameString() + ": ", "");
       };
       FieldSymbol.prototype.isMember = function () {
           return true;
       };
       FieldSymbol.prototype.setType = function (type) {
           this.field.typeLink.type = type;
       };
       FieldSymbol.prototype.isAccessor = function () {
           return this.getter != null || this.setter != null;
       };
       FieldSymbol.prototype.isVariable = function () {
           return true;
       };
       FieldSymbol.prototype.toString = function () {
           return this.getTypeNameEx(null).toString();
       };
       FieldSymbol.prototype.specializeType = function (pattern, replacement, checker) {
           var rType = this.field.typeLink.type.specializeType(pattern, replacement, checker, false);
           if(rType != this.field.typeLink.type) {
               var fieldDef = new ValueLocation();
               var result = new FieldSymbol(this.name, 0, checker.locationInfo.unitIndex, this.canWrite, fieldDef);
               result.flags = this.flags;
               fieldDef.symbol = result;
               fieldDef.typeLink = new TypeScript.TypeLink();
               result.setType(rType);
               result.typeCheckStatus = TypeCheckStatus.Finished;
               return result;
           } else {
               return this;
           }
       };
       FieldSymbol.prototype.getDocComments = function () {
           if(this.getter != null || this.setter != null) {
               var comments = [];
               if(this.getter != null) {
                   comments = comments.concat(this.getter.getDocComments());
               }
               if(this.setter != null) {
                   comments = comments.concat(this.setter.getDocComments());
               }
               return comments;
           } else {
               if(this.declAST != null) {
                   return this.declAST.getDocComments();
               }
           }
           return [];
       };
       return FieldSymbol;
   })(InferenceSymbol);
   TypeScript.FieldSymbol = FieldSymbol;    
   var ParameterSymbol = (function (_super) {
       __extends(ParameterSymbol, _super);
       function ParameterSymbol(name, location, unitIndex, parameter) {
               _super.call(this, name, location, name.length, unitIndex);
           this.parameter = parameter;
           this.paramDocComment = null;
           this.funcDecl = null;
           this.argsOffset = (-1);
           this.name = name;
           this.location = location;
       }
       ParameterSymbol.prototype.kind = function () {
           return TypeScript.SymbolKind.Parameter;
       };
       ParameterSymbol.prototype.writeable = function () {
           return true;
       };
       ParameterSymbol.prototype.getType = function () {
           return this.parameter.typeLink.type;
       };
       ParameterSymbol.prototype.setType = function (type) {
           this.parameter.typeLink.type = type;
       };
       ParameterSymbol.prototype.isVariable = function () {
           return true;
       };
       ParameterSymbol.prototype.isOptional = function () {
           if(this.parameter && this.parameter.symbol && this.parameter.symbol.declAST) {
               return (this.parameter.symbol.declAST).isOptional;
           } else {
               return false;
           }
       };
       ParameterSymbol.prototype.getTypeNameEx = function (scope) {
           return TypeScript.MemberName.create(this.getType().getScopedTypeNameEx(scope), this.name + (this.isOptional() ? "?" : "") + ": ", "");
       };
       ParameterSymbol.prototype.toString = function () {
           return this.getTypeNameEx(null).toString();
       };
       ParameterSymbol.prototype.specializeType = function (pattern, replacement, checker) {
           var rType = this.parameter.typeLink.type.specializeType(pattern, replacement, checker, false);
           if(this.parameter.typeLink.type != rType) {
               var paramDef = new ValueLocation();
               var result = new ParameterSymbol(this.name, 0, checker.locationInfo.unitIndex, paramDef);
               paramDef.symbol = result;
               result.setType(rType);
               return result;
           } else {
               return this;
           }
       };
       ParameterSymbol.prototype.getParameterDocComments = function () {
           if(!this.paramDocComment) {
               var parameterComments = [];
               if(this.funcDecl) {
                   var fncDocComments = this.funcDecl.getDocComments();
                   var paramComment = TypeScript.Comment.getParameterDocCommentText(this.name, fncDocComments);
                   if(paramComment != "") {
                       parameterComments.push(paramComment);
                   }
               }
               var docComments = TypeScript.Comment.getDocCommentText(this.getDocComments());
               if(docComments != "") {
                   parameterComments.push(docComments);
               }
               this.paramDocComment = parameterComments.join("\n");
           }
           return this.paramDocComment;
       };
       return ParameterSymbol;
   })(InferenceSymbol);
   TypeScript.ParameterSymbol = ParameterSymbol;    
   var VariableSymbol = (function (_super) {
       __extends(VariableSymbol, _super);
       function VariableSymbol(name, location, unitIndex, variable) {
               _super.call(this, name, location, name.length, unitIndex);
           this.variable = variable;
       }
       VariableSymbol.prototype.kind = function () {
           return TypeScript.SymbolKind.Variable;
       };
       VariableSymbol.prototype.writeable = function () {
           return true;
       };
       VariableSymbol.prototype.getType = function () {
           return this.variable.typeLink.type;
       };
       VariableSymbol.prototype.getTypeNameEx = function (scope) {
           return TypeScript.MemberName.create(this.getType().getScopedTypeNameEx(scope), this.name + ": ", "");
       };
       VariableSymbol.prototype.setType = function (type) {
           this.variable.typeLink.type = type;
       };
       VariableSymbol.prototype.isVariable = function () {
           return true;
       };
       return VariableSymbol;
   })(InferenceSymbol);
   TypeScript.VariableSymbol = VariableSymbol;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var ScopedMembers = (function () {
       function ScopedMembers(dualMembers) {
           this.dualMembers = dualMembers;
           this.allMembers = this.dualMembers;
           this.publicMembers = this.dualMembers.primaryTable;
           this.privateMembers = this.dualMembers.secondaryTable;
       }
       ScopedMembers.prototype.addPublicMember = function (key, data) {
           return this.dualMembers.primaryTable.add(key, data);
       };
       ScopedMembers.prototype.addPrivateMember = function (key, data) {
           return this.dualMembers.secondaryTable.add(key, data);
       };
       return ScopedMembers;
   })();
   TypeScript.ScopedMembers = ScopedMembers;    
   (function (SymbolKind) {
       SymbolKind._map = [];
       SymbolKind._map[0] = "None";
       SymbolKind.None = 0;
       SymbolKind._map[1] = "Type";
       SymbolKind.Type = 1;
       SymbolKind._map[2] = "Field";
       SymbolKind.Field = 2;
       SymbolKind._map[3] = "Parameter";
       SymbolKind.Parameter = 3;
       SymbolKind._map[4] = "Variable";
       SymbolKind.Variable = 4;
   })(TypeScript.SymbolKind || (TypeScript.SymbolKind = {}));
   var SymbolKind = TypeScript.SymbolKind;
   var SymbolScope = (function () {
       function SymbolScope(container) {
           this.container = container;
       }
       SymbolScope.prototype.printLabel = function () {
           return "base";
       };
       SymbolScope.prototype.getAllSymbolNames = function (members) {
           return [
               "please", 
               "implement", 
               "in", 
               "derived", 
               "classes"
           ];
       };
       SymbolScope.prototype.getAllTypeSymbolNames = function (members) {
           return [
               "please", 
               "implement", 
               "in", 
               "derived", 
               "classes"
           ];
       };
       SymbolScope.prototype.getAllValueSymbolNames = function (members) {
           return [
               "please", 
               "implement", 
               "in", 
               "derived", 
               "classes"
           ];
       };
       SymbolScope.prototype.search = function (filter, name, publicOnly, typespace) {
           return null;
       };
       SymbolScope.prototype.findLocal = function (name, publicOnly, typespace) {
           return null;
       };
       SymbolScope.prototype.find = function (name, publicOnly, typespace) {
           return null;
       };
       SymbolScope.prototype.findImplementation = function (name, publicOnly, typespace) {
           return null;
       };
       SymbolScope.prototype.findAmbient = function (name, publicOnly, typespace) {
           return null;
       };
       SymbolScope.prototype.print = function (outfile) {
           if(this.container) {
               outfile.WriteLine(this.printLabel() + " scope with container: " + this.container.name + "...");
           } else {
               outfile.WriteLine(this.printLabel() + " scope...");
           }
       };
       SymbolScope.prototype.enter = function (container, ast, symbol, errorReporter, publicOnly, typespace, ambient) {
           throw new Error("please implement in derived class");
       };
       SymbolScope.prototype.getTable = function () {
           throw new Error("please implement in derived class");
       };
       return SymbolScope;
   })();
   TypeScript.SymbolScope = SymbolScope;    
   function symbolCanBeUsed(sym, publicOnly) {
       return publicOnly ? !(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Private) || (sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((sym.declAST).fncFlags, TypeScript.FncFlags.Private))) : true;
   }
   var SymbolAggregateScope = (function (_super) {
       __extends(SymbolAggregateScope, _super);
       function SymbolAggregateScope(container) {
               _super.call(this, container);
           this.valueCache = null;
           this.valueImplCache = null;
           this.valueAmbientCache = null;
           this.typeCache = null;
           this.typeImplCache = null;
           this.typeAmbientCache = null;
           this.parents = null;
           this.container = container;
       }
       SymbolAggregateScope.prototype.printLabel = function () {
           return "agg";
       };
       SymbolAggregateScope.prototype.search = function (filter, name, publicOnly, typespace) {
           if(this.parents) {
               for(var i = 0; i < this.parents.length; i++) {
                   var sym = this.parents[i].search(filter, name, publicOnly, typespace);
                   if(sym) {
                       if(filter.update(sym)) {
                           return sym;
                       }
                   }
               }
           }
           return filter.result;
       };
       SymbolAggregateScope.prototype.getAllSymbolNames = function (members) {
           var result = [];
           if(this.parents) {
               for(var i = 0; i < this.parents.length; i++) {
                   var parentResult = this.parents[i].getAllSymbolNames(members);
                   if(parentResult) {
                       result = result.concat(parentResult);
                   }
               }
           }
           return result;
       };
       SymbolAggregateScope.prototype.getAllTypeSymbolNames = function (members) {
           var result = [];
           if(this.parents) {
               for(var i = 0; i < this.parents.length; i++) {
                   var parentResult = this.parents[i].getAllTypeSymbolNames(members);
                   if(parentResult) {
                       result = result.concat(parentResult);
                   }
               }
           }
           return result;
       };
       SymbolAggregateScope.prototype.getAllValueSymbolNames = function (members) {
           var result = [];
           if(this.parents) {
               for(var i = 0; i < this.parents.length; i++) {
                   var parentResult = this.parents[i].getAllValueSymbolNames(members);
                   if(parentResult) {
                       result = result.concat(parentResult);
                   }
               }
           }
           return result;
       };
       SymbolAggregateScope.prototype.print = function (outfile) {
           _super.prototype.print.call(this, outfile);
           if(this.parents) {
               for(var i = 0; i < this.parents.length; i++) {
                   this.parents[i].print(outfile);
               }
           }
       };
       SymbolAggregateScope.prototype.findImplementation = function (name, publicOnly, typespace) {
           var sym = null;
           var i = 0;
           var implCache = this.valueImplCache;
           if(typespace) {
               implCache = this.typeImplCache;
           }
           if(implCache && ((sym = implCache.lookup(name)) != null) && (publicOnly ? !(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Private) || (sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((sym.declAST).fncFlags, TypeScript.FncFlags.Private))) : true)) {
               return sym;
           }
           if(this.parents) {
               for(i = 0; i < this.parents.length; i++) {
                   sym = this.parents[i].findImplementation(name, publicOnly, typespace);
                   if(sym) {
                       break;
                   }
               }
           }
           if(implCache) {
               if(typespace) {
                   this.typeImplCache = new TypeScript.StringHashTable();
                   implCache = this.typeImplCache;
               } else {
                   this.valueImplCache = new TypeScript.StringHashTable();
                   implCache = this.valueImplCache;
               }
           }
           implCache.add(name, sym);
           return sym;
       };
       SymbolAggregateScope.prototype.find = function (name, publicOnly, typespace) {
           var sym = null;
           var i = 0;
           var cache = this.valueCache;
           if(typespace) {
               cache = this.typeCache;
           }
           if(cache && ((sym = cache.lookup(name)) != null) && (publicOnly ? !(TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.Private) || (sym.declAST && sym.declAST.nodeType == TypeScript.NodeType.FuncDecl && TypeScript.hasFlag((sym.declAST).fncFlags, TypeScript.FncFlags.Private))) : true)) {
               return sym;
           }
           if(this.parents) {
               for(i = 0; i < this.parents.length; i++) {
                   sym = this.parents[i].find(name, publicOnly, typespace);
                   if(sym) {
                       break;
                   }
               }
           }
           if(cache == null) {
               if(typespace) {
                   this.typeCache = new TypeScript.StringHashTable();
                   cache = this.typeCache;
               } else {
                   this.valueCache = new TypeScript.StringHashTable();
                   cache = this.valueCache;
               }
           }
           cache.add(name, sym);
           return sym;
       };
       SymbolAggregateScope.prototype.findAmbient = function (name, publicOnly, typespace) {
           var sym = null;
           var i = 0;
           var cache = this.valueAmbientCache;
           if(typespace) {
               cache = this.typeAmbientCache;
           }
           if(cache && ((sym = cache.lookup(name)) != null)) {
               return sym;
           }
           if(this.parents) {
               for(i = 0; i < this.parents.length; i++) {
                   sym = this.parents[i].findAmbient(name, publicOnly, typespace);
                   if(sym) {
                       break;
                   }
               }
           }
           if(cache == null) {
               if(typespace) {
                   this.typeAmbientCache = new TypeScript.StringHashTable();
                   cache = this.typeAmbientCache;
               } else {
                   this.valueAmbientCache = new TypeScript.StringHashTable();
                   cache = this.valueAmbientCache;
               }
           }
           cache.add(name, sym);
           return sym;
       };
       SymbolAggregateScope.prototype.addParentScope = function (parent) {
           if(this.parents == null) {
               this.parents = new Array();
           }
           this.parents[this.parents.length] = parent;
       };
       return SymbolAggregateScope;
   })(SymbolScope);
   TypeScript.SymbolAggregateScope = SymbolAggregateScope;    
   var SymbolTableScope = (function (_super) {
       __extends(SymbolTableScope, _super);
       function SymbolTableScope(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, container) {
               _super.call(this, container);
           this.valueMembers = valueMembers;
           this.ambientValueMembers = ambientValueMembers;
           this.enclosedTypes = enclosedTypes;
           this.ambientEnclosedTypes = ambientEnclosedTypes;
           this.container = container;
       }
       SymbolTableScope.prototype.printLabel = function () {
           return "table";
       };
       SymbolTableScope.prototype.getAllSymbolNames = function (members) {
           var result = this.getAllTypeSymbolNames(members);
           return result.concat(this.getAllValueSymbolNames(members));
       };
       SymbolTableScope.prototype.getAllTypeSymbolNames = function (members) {
           var result = [];
           if(this.ambientEnclosedTypes) {
               result = result.concat(this.ambientEnclosedTypes.allMembers.getAllKeys());
           }
           if(this.enclosedTypes) {
               result = result.concat(this.enclosedTypes.allMembers.getAllKeys());
           }
           return result;
       };
       SymbolTableScope.prototype.getAllValueSymbolNames = function (members) {
           var result = [];
           if(this.ambientValueMembers) {
               result = result.concat(this.ambientValueMembers.allMembers.getAllKeys());
           }
           if(this.valueMembers) {
               result = result.concat(this.valueMembers.allMembers.getAllKeys());
           }
           return result;
       };
       SymbolTableScope.prototype.search = function (filter, name, publicOnly, typespace) {
           var sym = this.find(name, publicOnly, typespace);
           filter.update(sym);
           return filter.result;
       };
       SymbolTableScope.prototype.find = function (name, publicOnly, typespace) {
           var table = null;
           var ambientTable = null;
           if(typespace) {
               table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
               ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
           } else {
               table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
               ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
           }
           if(ambientTable) {
               var s = ambientTable.lookup(name);
               if(s) {
                   return s;
               }
           }
           if(table) {
               var s = table.lookup(name);
               if(s) {
                   return s;
               }
           }
           return null;
       };
       SymbolTableScope.prototype.findAmbient = function (name, publicOnly, typespace) {
           var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
           if(typespace) {
               ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
           }
           if(ambientTable) {
               var s = ambientTable.lookup(name);
               if(s) {
                   return s;
               }
           }
           return null;
       };
       SymbolTableScope.prototype.print = function (outfile) {
           _super.prototype.print.call(this, outfile);
           if(this.ambientValueMembers) {
               this.ambientValueMembers.allMembers.map(function (key, sym, context) {
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.valueMembers) {
               this.valueMembers.allMembers.map(function (key, sym, context) {
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.ambientEnclosedTypes) {
               this.ambientEnclosedTypes.allMembers.map(function (key, sym, context) {
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.enclosedTypes) {
               this.enclosedTypes.allMembers.map(function (key, sym, context) {
                   outfile.WriteLine("  " + key);
               }, null);
           }
       };
       SymbolTableScope.prototype.findImplementation = function (name, publicOnly, typespace) {
           var sym = this.find(name, publicOnly, typespace);
           if(sym) {
               if(sym.kind() == SymbolKind.Type) {
                   var typeSym = sym;
                   if(!typeSym.type.hasImplementation()) {
                       sym = null;
                   }
               } else {
                   if(sym.container) {
                       if(sym.container.kind() == SymbolKind.Type) {
                           var ctypeSym = sym.container;
                           if(!ctypeSym.type.hasImplementation()) {
                               sym = null;
                           }
                       }
                   }
               }
           }
           return sym;
       };
       SymbolTableScope.prototype.getTable = function () {
           return this.valueMembers.publicMembers;
       };
       return SymbolTableScope;
   })(SymbolScope);
   TypeScript.SymbolTableScope = SymbolTableScope;    
   var SymbolScopeBuilder = (function (_super) {
       __extends(SymbolScopeBuilder, _super);
       function SymbolScopeBuilder(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, parent, container) {
               _super.call(this, container);
           this.valueMembers = valueMembers;
           this.ambientValueMembers = ambientValueMembers;
           this.enclosedTypes = enclosedTypes;
           this.ambientEnclosedTypes = ambientEnclosedTypes;
           this.parent = parent;
           this.container = container;
       }
       SymbolScopeBuilder.prototype.printLabel = function () {
           return "builder";
       };
       SymbolScopeBuilder.prototype.getAllSymbolNames = function (members) {
           var result = this.getAllTypeSymbolNames(members);
           return result.concat(this.getAllValueSymbolNames(members));
       };
       SymbolScopeBuilder.prototype.getAllTypeSymbolNames = function (members) {
           var result = [];
           if(this.ambientEnclosedTypes) {
               result = result.concat(this.ambientEnclosedTypes.allMembers.getAllKeys());
           }
           if(this.enclosedTypes) {
               result = result.concat(this.enclosedTypes.allMembers.getAllKeys());
           }
           if(!members && this.parent) {
               var parentResult = this.parent.getAllTypeSymbolNames(members);
               if(parentResult) {
                   result = result.concat(parentResult);
               }
           }
           return result;
       };
       SymbolScopeBuilder.prototype.getAllValueSymbolNames = function (members) {
           var result = [];
           if(this.ambientValueMembers) {
               result = result.concat(this.ambientValueMembers.allMembers.getAllKeys());
           }
           if(this.valueMembers) {
               result = result.concat(this.valueMembers.allMembers.getAllKeys());
           }
           if(!members && this.parent) {
               var parentResult = this.parent.getAllValueSymbolNames(members);
               if(parentResult) {
                   result = result.concat(parentResult);
               }
           }
           return result;
       };
       SymbolScopeBuilder.prototype.search = function (filter, name, publicOnly, typespace) {
           var sym = null;
           var table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
           var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
           if(typespace) {
               table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
               ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
           }
           if(ambientTable) {
               if((sym = ambientTable.lookup(name)) != null) {
                   if(filter.update(sym)) {
                       return sym;
                   }
               }
           }
           if(table) {
               if((sym = table.lookup(name)) != null) {
                   if(filter.update(sym)) {
                       return sym;
                   }
               }
           }
           if(this.parent) {
               sym = this.parent.search(filter, name, publicOnly, typespace);
               if(sym) {
                   if(filter.update(sym)) {
                       return sym;
                   }
               }
           }
           return filter.result;
       };
       SymbolScopeBuilder.prototype.print = function (outfile) {
           _super.prototype.print.call(this, outfile);
           if(this.ambientValueMembers) {
               this.ambientValueMembers.allMembers.map(function (key, s, context) {
                   var sym = s;
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.valueMembers) {
               this.valueMembers.allMembers.map(function (key, s, context) {
                   var sym = s;
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.ambientEnclosedTypes) {
               this.ambientEnclosedTypes.allMembers.map(function (key, s, context) {
                   var sym = s;
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.enclosedTypes) {
               this.enclosedTypes.allMembers.map(function (key, s, context) {
                   var sym = s;
                   outfile.WriteLine("  " + key);
               }, null);
           }
           if(this.parent) {
               this.parent.print(outfile);
           }
       };
       SymbolScopeBuilder.prototype.find = function (name, publicOnly, typespace) {
           var sym = null;
           var table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
           var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
           if(typespace) {
               table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
               ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
           }
           if(ambientTable && ((sym = ambientTable.lookup(name)) != null)) {
               return sym;
           }
           if(table && ((sym = table.lookup(name)) != null)) {
               return sym;
           }
           if(this.parent) {
               return this.parent.find(name, publicOnly, typespace);
           }
           return null;
       };
       SymbolScopeBuilder.prototype.findAmbient = function (name, publicOnly, typespace) {
           var sym = null;
           var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
           if(typespace) {
               ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
           }
           if(ambientTable && ((sym = ambientTable.lookup(name)) != null)) {
               return sym;
           }
           if(this.parent) {
               return this.parent.findAmbient(name, publicOnly, typespace);
           }
           return null;
       };
       SymbolScopeBuilder.prototype.findLocal = function (name, publicOnly, typespace) {
           var sym = null;
           var table = (this.valueMembers == null) ? null : publicOnly ? this.valueMembers.publicMembers : this.valueMembers.allMembers;
           var ambientTable = (this.ambientValueMembers == null) ? null : publicOnly ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.allMembers;
           if(typespace) {
               table = (this.enclosedTypes == null) ? null : publicOnly ? this.enclosedTypes.publicMembers : this.enclosedTypes.allMembers;
               ambientTable = (this.ambientEnclosedTypes == null) ? null : publicOnly ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.allMembers;
           }
           if(table) {
               if((sym = table.lookup(name)) != null) {
                   if(sym) {
                       return sym;
                   }
               }
           }
           if(ambientTable) {
               if((sym = ambientTable.lookup(name)) != null) {
                   if(sym) {
                       return sym;
                   }
               }
           }
           return null;
       };
       SymbolScopeBuilder.prototype.enter = function (container, ast, symbol, errorReporter, insertAsPublic, typespace, ambient) {
           var table = null;
           if(ambient) {
               if(typespace) {
                   table = (this.ambientEnclosedTypes == null) ? null : insertAsPublic ? this.ambientEnclosedTypes.publicMembers : this.ambientEnclosedTypes.privateMembers;
               } else {
                   table = (this.ambientValueMembers == null) ? null : insertAsPublic ? this.ambientValueMembers.publicMembers : this.ambientValueMembers.privateMembers;
               }
           } else {
               if(typespace) {
                   table = (this.enclosedTypes == null) ? null : insertAsPublic ? this.enclosedTypes.publicMembers : this.enclosedTypes.privateMembers;
               } else {
                   table = (this.valueMembers == null) ? null : insertAsPublic ? this.valueMembers.publicMembers : this.valueMembers.privateMembers;
               }
           }
           if(table) {
               if(!table.add(symbol.name, symbol)) {
                   errorReporter.duplicateIdentifier(ast, symbol.name);
               }
           } else {
               TypeScript.CompilerDiagnostics.Alert("YYYYY");
           }
           symbol.container = container;
       };
       SymbolScopeBuilder.prototype.getTable = function () {
           return this.valueMembers.allMembers;
       };
       return SymbolScopeBuilder;
   })(SymbolScope);
   TypeScript.SymbolScopeBuilder = SymbolScopeBuilder;    
   var FilteredSymbolScope = (function (_super) {
       __extends(FilteredSymbolScope, _super);
       function FilteredSymbolScope(scope, container, filter) {
               _super.call(this, container);
           this.scope = scope;
           this.filter = filter;
       }
       FilteredSymbolScope.prototype.print = function (outfile) {
           this.scope.print(outfile);
       };
       FilteredSymbolScope.prototype.find = function (name, publicOnly, typespace) {
           this.filter.reset();
           return this.scope.search(this.filter, name, publicOnly, typespace);
       };
       FilteredSymbolScope.prototype.findLocal = function (name, publicOnly, typespace) {
           return this.scope.findLocal(name, publicOnly, typespace);
       };
       return FilteredSymbolScope;
   })(SymbolScope);
   TypeScript.FilteredSymbolScope = FilteredSymbolScope;    
   var FilteredSymbolScopeBuilder = (function (_super) {
       __extends(FilteredSymbolScopeBuilder, _super);
       function FilteredSymbolScopeBuilder(valueMembers, parent, container, filter) {
               _super.call(this, valueMembers, null, null, null, parent, container);
           this.filter = filter;
       }
       FilteredSymbolScopeBuilder.prototype.findLocal = function (name, publicOnly, typespace) {
           var sym = _super.prototype.findLocal.call(this, name, publicOnly, typespace);
           if(sym) {
               if(!this.filter(sym)) {
                   return null;
               }
           }
           return sym;
       };
       FilteredSymbolScopeBuilder.prototype.search = function (filter, name, publicOnly, typespace) {
           throw new Error("please implement");
       };
       FilteredSymbolScopeBuilder.prototype.find = function (name, publicOnly, typespace) {
           var sym = _super.prototype.findLocal.call(this, name, publicOnly, typespace);
           if(sym) {
               if(!this.filter(sym)) {
                   return null;
               }
           }
           return _super.prototype.find.call(this, name, publicOnly, typespace);
       };
       return FilteredSymbolScopeBuilder;
   })(SymbolScopeBuilder);
   TypeScript.FilteredSymbolScopeBuilder = FilteredSymbolScopeBuilder;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (TokenID) {
       TokenID._map = [];
       TokenID._map[0] = "Any";
       TokenID.Any = 0;
       TokenID._map[1] = "Bool";
       TokenID.Bool = 1;
       TokenID._map[2] = "Break";
       TokenID.Break = 2;
       TokenID._map[3] = "Case";
       TokenID.Case = 3;
       TokenID._map[4] = "Catch";
       TokenID.Catch = 4;
       TokenID._map[5] = "Class";
       TokenID.Class = 5;
       TokenID._map[6] = "Const";
       TokenID.Const = 6;
       TokenID._map[7] = "Continue";
       TokenID.Continue = 7;
       TokenID._map[8] = "Debugger";
       TokenID.Debugger = 8;
       TokenID._map[9] = "Default";
       TokenID.Default = 9;
       TokenID._map[10] = "Delete";
       TokenID.Delete = 10;
       TokenID._map[11] = "Do";
       TokenID.Do = 11;
       TokenID._map[12] = "Else";
       TokenID.Else = 12;
       TokenID._map[13] = "Enum";
       TokenID.Enum = 13;
       TokenID._map[14] = "Export";
       TokenID.Export = 14;
       TokenID._map[15] = "Extends";
       TokenID.Extends = 15;
       TokenID._map[16] = "Declare";
       TokenID.Declare = 16;
       TokenID._map[17] = "False";
       TokenID.False = 17;
       TokenID._map[18] = "Finally";
       TokenID.Finally = 18;
       TokenID._map[19] = "For";
       TokenID.For = 19;
       TokenID._map[20] = "Function";
       TokenID.Function = 20;
       TokenID._map[21] = "Constructor";
       TokenID.Constructor = 21;
       TokenID._map[22] = "Get";
       TokenID.Get = 22;
       TokenID._map[23] = "If";
       TokenID.If = 23;
       TokenID._map[24] = "Implements";
       TokenID.Implements = 24;
       TokenID._map[25] = "Import";
       TokenID.Import = 25;
       TokenID._map[26] = "In";
       TokenID.In = 26;
       TokenID._map[27] = "InstanceOf";
       TokenID.InstanceOf = 27;
       TokenID._map[28] = "Interface";
       TokenID.Interface = 28;
       TokenID._map[29] = "Let";
       TokenID.Let = 29;
       TokenID._map[30] = "Module";
       TokenID.Module = 30;
       TokenID._map[31] = "New";
       TokenID.New = 31;
       TokenID._map[32] = "Number";
       TokenID.Number = 32;
       TokenID._map[33] = "Null";
       TokenID.Null = 33;
       TokenID._map[34] = "Package";
       TokenID.Package = 34;
       TokenID._map[35] = "Private";
       TokenID.Private = 35;
       TokenID._map[36] = "Protected";
       TokenID.Protected = 36;
       TokenID._map[37] = "Public";
       TokenID.Public = 37;
       TokenID._map[38] = "Return";
       TokenID.Return = 38;
       TokenID._map[39] = "Set";
       TokenID.Set = 39;
       TokenID._map[40] = "Static";
       TokenID.Static = 40;
       TokenID._map[41] = "String";
       TokenID.String = 41;
       TokenID._map[42] = "Super";
       TokenID.Super = 42;
       TokenID._map[43] = "Switch";
       TokenID.Switch = 43;
       TokenID._map[44] = "This";
       TokenID.This = 44;
       TokenID._map[45] = "Throw";
       TokenID.Throw = 45;
       TokenID._map[46] = "True";
       TokenID.True = 46;
       TokenID._map[47] = "Try";
       TokenID.Try = 47;
       TokenID._map[48] = "TypeOf";
       TokenID.TypeOf = 48;
       TokenID._map[49] = "Var";
       TokenID.Var = 49;
       TokenID._map[50] = "Void";
       TokenID.Void = 50;
       TokenID._map[51] = "With";
       TokenID.With = 51;
       TokenID._map[52] = "While";
       TokenID.While = 52;
       TokenID._map[53] = "Yield";
       TokenID.Yield = 53;
       TokenID._map[54] = "Semicolon";
       TokenID.Semicolon = 54;
       TokenID._map[55] = "OpenParen";
       TokenID.OpenParen = 55;
       TokenID._map[56] = "CloseParen";
       TokenID.CloseParen = 56;
       TokenID._map[57] = "OpenBracket";
       TokenID.OpenBracket = 57;
       TokenID._map[58] = "CloseBracket";
       TokenID.CloseBracket = 58;
       TokenID._map[59] = "OpenBrace";
       TokenID.OpenBrace = 59;
       TokenID._map[60] = "CloseBrace";
       TokenID.CloseBrace = 60;
       TokenID._map[61] = "Comma";
       TokenID.Comma = 61;
       TokenID._map[62] = "Equals";
       TokenID.Equals = 62;
       TokenID._map[63] = "PlusEquals";
       TokenID.PlusEquals = 63;
       TokenID._map[64] = "MinusEquals";
       TokenID.MinusEquals = 64;
       TokenID._map[65] = "AsteriskEquals";
       TokenID.AsteriskEquals = 65;
       TokenID._map[66] = "SlashEquals";
       TokenID.SlashEquals = 66;
       TokenID._map[67] = "PercentEquals";
       TokenID.PercentEquals = 67;
       TokenID._map[68] = "AmpersandEquals";
       TokenID.AmpersandEquals = 68;
       TokenID._map[69] = "CaretEquals";
       TokenID.CaretEquals = 69;
       TokenID._map[70] = "BarEquals";
       TokenID.BarEquals = 70;
       TokenID._map[71] = "LessThanLessThanEquals";
       TokenID.LessThanLessThanEquals = 71;
       TokenID._map[72] = "GreaterThanGreaterThanEquals";
       TokenID.GreaterThanGreaterThanEquals = 72;
       TokenID._map[73] = "GreaterThanGreaterThanGreaterThanEquals";
       TokenID.GreaterThanGreaterThanGreaterThanEquals = 73;
       TokenID._map[74] = "Question";
       TokenID.Question = 74;
       TokenID._map[75] = "Colon";
       TokenID.Colon = 75;
       TokenID._map[76] = "BarBar";
       TokenID.BarBar = 76;
       TokenID._map[77] = "AmpersandAmpersand";
       TokenID.AmpersandAmpersand = 77;
       TokenID._map[78] = "Bar";
       TokenID.Bar = 78;
       TokenID._map[79] = "Caret";
       TokenID.Caret = 79;
       TokenID._map[80] = "And";
       TokenID.And = 80;
       TokenID._map[81] = "EqualsEquals";
       TokenID.EqualsEquals = 81;
       TokenID._map[82] = "ExclamationEquals";
       TokenID.ExclamationEquals = 82;
       TokenID._map[83] = "EqualsEqualsEquals";
       TokenID.EqualsEqualsEquals = 83;
       TokenID._map[84] = "ExclamationEqualsEquals";
       TokenID.ExclamationEqualsEquals = 84;
       TokenID._map[85] = "LessThan";
       TokenID.LessThan = 85;
       TokenID._map[86] = "LessThanEquals";
       TokenID.LessThanEquals = 86;
       TokenID._map[87] = "GreaterThan";
       TokenID.GreaterThan = 87;
       TokenID._map[88] = "GreaterThanEquals";
       TokenID.GreaterThanEquals = 88;
       TokenID._map[89] = "LessThanLessThan";
       TokenID.LessThanLessThan = 89;
       TokenID._map[90] = "GreaterThanGreaterThan";
       TokenID.GreaterThanGreaterThan = 90;
       TokenID._map[91] = "GreaterThanGreaterThanGreaterThan";
       TokenID.GreaterThanGreaterThanGreaterThan = 91;
       TokenID._map[92] = "Plus";
       TokenID.Plus = 92;
       TokenID._map[93] = "Minus";
       TokenID.Minus = 93;
       TokenID._map[94] = "Asterisk";
       TokenID.Asterisk = 94;
       TokenID._map[95] = "Slash";
       TokenID.Slash = 95;
       TokenID._map[96] = "Percent";
       TokenID.Percent = 96;
       TokenID._map[97] = "Tilde";
       TokenID.Tilde = 97;
       TokenID._map[98] = "Exclamation";
       TokenID.Exclamation = 98;
       TokenID._map[99] = "PlusPlus";
       TokenID.PlusPlus = 99;
       TokenID._map[100] = "MinusMinus";
       TokenID.MinusMinus = 100;
       TokenID._map[101] = "Dot";
       TokenID.Dot = 101;
       TokenID._map[102] = "DotDotDot";
       TokenID.DotDotDot = 102;
       TokenID._map[103] = "Error";
       TokenID.Error = 103;
       TokenID._map[104] = "EndOfFile";
       TokenID.EndOfFile = 104;
       TokenID._map[105] = "EqualsGreaterThan";
       TokenID.EqualsGreaterThan = 105;
       TokenID._map[106] = "Identifier";
       TokenID.Identifier = 106;
       TokenID._map[107] = "StringLiteral";
       TokenID.StringLiteral = 107;
       TokenID._map[108] = "RegularExpressionLiteral";
       TokenID.RegularExpressionLiteral = 108;
       TokenID._map[109] = "NumberLiteral";
       TokenID.NumberLiteral = 109;
       TokenID._map[110] = "Whitespace";
       TokenID.Whitespace = 110;
       TokenID._map[111] = "Comment";
       TokenID.Comment = 111;
       TokenID._map[112] = "Lim";
       TokenID.Lim = 112;
       TokenID.LimFixed = TokenID.EqualsGreaterThan;
       TokenID.LimKeyword = TokenID.Yield;
   })(TypeScript.TokenID || (TypeScript.TokenID = {}));
   var TokenID = TypeScript.TokenID;
   TypeScript.tokenTable = new Array();
   TypeScript.nodeTypeTable = new Array();
   TypeScript.nodeTypeToTokTable = new Array();
   TypeScript.noRegexTable = new Array();
   TypeScript.noRegexTable[TokenID.Identifier] = true;
   TypeScript.noRegexTable[TokenID.StringLiteral] = true;
   TypeScript.noRegexTable[TokenID.NumberLiteral] = true;
   TypeScript.noRegexTable[TokenID.RegularExpressionLiteral] = true;
   TypeScript.noRegexTable[TokenID.This] = true;
   TypeScript.noRegexTable[TokenID.PlusPlus] = true;
   TypeScript.noRegexTable[TokenID.MinusMinus] = true;
   TypeScript.noRegexTable[TokenID.CloseParen] = true;
   TypeScript.noRegexTable[TokenID.CloseBracket] = true;
   TypeScript.noRegexTable[TokenID.CloseBrace] = true;
   TypeScript.noRegexTable[TokenID.True] = true;
   TypeScript.noRegexTable[TokenID.False] = true;
   (function (OperatorPrecedence) {
       OperatorPrecedence._map = [];
       OperatorPrecedence._map[0] = "None";
       OperatorPrecedence.None = 0;
       OperatorPrecedence._map[1] = "Comma";
       OperatorPrecedence.Comma = 1;
       OperatorPrecedence._map[2] = "Assignment";
       OperatorPrecedence.Assignment = 2;
       OperatorPrecedence._map[3] = "Conditional";
       OperatorPrecedence.Conditional = 3;
       OperatorPrecedence._map[4] = "LogicalOr";
       OperatorPrecedence.LogicalOr = 4;
       OperatorPrecedence._map[5] = "LogicalAnd";
       OperatorPrecedence.LogicalAnd = 5;
       OperatorPrecedence._map[6] = "BitwiseOr";
       OperatorPrecedence.BitwiseOr = 6;
       OperatorPrecedence._map[7] = "BitwiseExclusiveOr";
       OperatorPrecedence.BitwiseExclusiveOr = 7;
       OperatorPrecedence._map[8] = "BitwiseAnd";
       OperatorPrecedence.BitwiseAnd = 8;
       OperatorPrecedence._map[9] = "Equality";
       OperatorPrecedence.Equality = 9;
       OperatorPrecedence._map[10] = "Relational";
       OperatorPrecedence.Relational = 10;
       OperatorPrecedence._map[11] = "Shift";
       OperatorPrecedence.Shift = 11;
       OperatorPrecedence._map[12] = "Additive";
       OperatorPrecedence.Additive = 12;
       OperatorPrecedence._map[13] = "Multiplicative";
       OperatorPrecedence.Multiplicative = 13;
       OperatorPrecedence._map[14] = "Unary";
       OperatorPrecedence.Unary = 14;
       OperatorPrecedence._map[15] = "Lim";
       OperatorPrecedence.Lim = 15;
   })(TypeScript.OperatorPrecedence || (TypeScript.OperatorPrecedence = {}));
   var OperatorPrecedence = TypeScript.OperatorPrecedence;
   (function (Reservation) {
       Reservation._map = [];
       Reservation.None = 0;
       Reservation.Javascript = 1;
       Reservation.JavascriptFuture = 2;
       Reservation.TypeScript = 4;
       Reservation.JavascriptFutureStrict = 8;
       Reservation.TypeScriptAndJS = Reservation.Javascript | Reservation.TypeScript;
       Reservation.TypeScriptAndJSFuture = Reservation.JavascriptFuture | Reservation.TypeScript;
       Reservation.TypeScriptAndJSFutureStrict = Reservation.JavascriptFutureStrict | Reservation.TypeScript;
   })(TypeScript.Reservation || (TypeScript.Reservation = {}));
   var Reservation = TypeScript.Reservation;
   var TokenInfo = (function () {
       function TokenInfo(tokenId, reservation, binopPrecedence, binopNodeType, unopPrecedence, unopNodeType, text, ers) {
           this.tokenId = tokenId;
           this.reservation = reservation;
           this.binopPrecedence = binopPrecedence;
           this.binopNodeType = binopNodeType;
           this.unopPrecedence = unopPrecedence;
           this.unopNodeType = unopNodeType;
           this.text = text;
           this.ers = ers;
       }
       return TokenInfo;
   })();
   TypeScript.TokenInfo = TokenInfo;    
   function setTokenInfo(tokenId, reservation, binopPrecedence, binopNodeType, unopPrecedence, unopNodeType, text, ers) {
       if(tokenId !== undefined) {
           TypeScript.tokenTable[tokenId] = new TokenInfo(tokenId, reservation, binopPrecedence, binopNodeType, unopPrecedence, unopNodeType, text, ers);
           if(binopNodeType != TypeScript.NodeType.None) {
               TypeScript.nodeTypeTable[binopNodeType] = text;
               TypeScript.nodeTypeToTokTable[binopNodeType] = tokenId;
           }
           if(unopNodeType != TypeScript.NodeType.None) {
               TypeScript.nodeTypeTable[unopNodeType] = text;
           }
       }
   }
   setTokenInfo(TokenID.Any, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "any", TypeScript.ErrorRecoverySet.PrimType);
   setTokenInfo(TokenID.Bool, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "bool", TypeScript.ErrorRecoverySet.PrimType);
   setTokenInfo(TokenID.Break, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "break", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Case, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "case", TypeScript.ErrorRecoverySet.SCase);
   setTokenInfo(TokenID.Catch, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "catch", TypeScript.ErrorRecoverySet.Catch);
   setTokenInfo(TokenID.Class, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "class", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.Const, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "const", TypeScript.ErrorRecoverySet.Var);
   setTokenInfo(TokenID.Continue, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "continue", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Debugger, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.Debugger, "debugger", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Default, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "default", TypeScript.ErrorRecoverySet.SCase);
   setTokenInfo(TokenID.Delete, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.Delete, "delete", TypeScript.ErrorRecoverySet.Prefix);
   setTokenInfo(TokenID.Do, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "do", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Else, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "else", TypeScript.ErrorRecoverySet.Else);
   setTokenInfo(TokenID.Enum, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "enum", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.Export, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "export", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.Extends, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "extends", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Declare, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "declare", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.False, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "false", TypeScript.ErrorRecoverySet.RLit);
   setTokenInfo(TokenID.Finally, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "finally", TypeScript.ErrorRecoverySet.Catch);
   setTokenInfo(TokenID.For, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "for", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Function, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "function", TypeScript.ErrorRecoverySet.Func);
   setTokenInfo(TokenID.Constructor, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "constructor", TypeScript.ErrorRecoverySet.Func);
   setTokenInfo(TokenID.Get, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "get", TypeScript.ErrorRecoverySet.Func);
   setTokenInfo(TokenID.Set, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "set", TypeScript.ErrorRecoverySet.Func);
   setTokenInfo(TokenID.If, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "if", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Implements, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "implements", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Import, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "import", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.In, Reservation.TypeScriptAndJS, OperatorPrecedence.Relational, TypeScript.NodeType.In, OperatorPrecedence.None, TypeScript.NodeType.None, "in", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.InstanceOf, Reservation.TypeScriptAndJS, OperatorPrecedence.Relational, TypeScript.NodeType.InstOf, OperatorPrecedence.None, TypeScript.NodeType.None, "instanceof", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Interface, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "interface", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.Let, Reservation.JavascriptFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "let", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Module, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "module", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.New, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "new", TypeScript.ErrorRecoverySet.PreOp);
   setTokenInfo(TokenID.Number, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "number", TypeScript.ErrorRecoverySet.PrimType);
   setTokenInfo(TokenID.Null, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "null", TypeScript.ErrorRecoverySet.RLit);
   setTokenInfo(TokenID.Package, Reservation.JavascriptFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "package", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Private, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "private", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.Protected, Reservation.JavascriptFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "protected", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Public, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "public", TypeScript.ErrorRecoverySet.TypeScriptS);
   setTokenInfo(TokenID.Return, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "return", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.Static, Reservation.TypeScriptAndJSFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "static", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.String, Reservation.TypeScript, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "string", TypeScript.ErrorRecoverySet.PrimType);
   setTokenInfo(TokenID.Super, Reservation.TypeScriptAndJSFuture, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "super", TypeScript.ErrorRecoverySet.RLit);
   setTokenInfo(TokenID.Switch, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "switch", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.This, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "this", TypeScript.ErrorRecoverySet.RLit);
   setTokenInfo(TokenID.Throw, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "throw", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.True, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "true", TypeScript.ErrorRecoverySet.RLit);
   setTokenInfo(TokenID.Try, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "try", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.TypeOf, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.Typeof, "typeof", TypeScript.ErrorRecoverySet.Prefix);
   setTokenInfo(TokenID.Var, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "var", TypeScript.ErrorRecoverySet.Var);
   setTokenInfo(TokenID.Void, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.Void, "void", TypeScript.ErrorRecoverySet.Prefix);
   setTokenInfo(TokenID.With, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.With, "with", TypeScript.ErrorRecoverySet.Stmt);
   setTokenInfo(TokenID.While, Reservation.TypeScriptAndJS, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "while", TypeScript.ErrorRecoverySet.While);
   setTokenInfo(TokenID.Yield, Reservation.JavascriptFutureStrict, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "yield", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Identifier, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "identifier", TypeScript.ErrorRecoverySet.ID);
   setTokenInfo(TokenID.NumberLiteral, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "numberLiteral", TypeScript.ErrorRecoverySet.Literal);
   setTokenInfo(TokenID.RegularExpressionLiteral, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "regex", TypeScript.ErrorRecoverySet.RegExp);
   setTokenInfo(TokenID.StringLiteral, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "qstring", TypeScript.ErrorRecoverySet.Literal);
   setTokenInfo(TokenID.Semicolon, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, ";", TypeScript.ErrorRecoverySet.SColon);
   setTokenInfo(TokenID.CloseParen, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, ")", TypeScript.ErrorRecoverySet.RParen);
   setTokenInfo(TokenID.CloseBracket, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "]", TypeScript.ErrorRecoverySet.RBrack);
   setTokenInfo(TokenID.OpenBrace, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "{", TypeScript.ErrorRecoverySet.LCurly);
   setTokenInfo(TokenID.CloseBrace, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "}", TypeScript.ErrorRecoverySet.RCurly);
   setTokenInfo(TokenID.DotDotDot, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "...", TypeScript.ErrorRecoverySet.None);
   setTokenInfo(TokenID.Comma, Reservation.None, OperatorPrecedence.Comma, TypeScript.NodeType.Comma, OperatorPrecedence.None, TypeScript.NodeType.None, ",", TypeScript.ErrorRecoverySet.Comma);
   setTokenInfo(TokenID.Equals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.Asg, OperatorPrecedence.None, TypeScript.NodeType.None, "=", TypeScript.ErrorRecoverySet.Asg);
   setTokenInfo(TokenID.PlusEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgAdd, OperatorPrecedence.None, TypeScript.NodeType.None, "+=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.MinusEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgSub, OperatorPrecedence.None, TypeScript.NodeType.None, "-=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.AsteriskEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgMul, OperatorPrecedence.None, TypeScript.NodeType.None, "*=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.SlashEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgDiv, OperatorPrecedence.None, TypeScript.NodeType.None, "/=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.PercentEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgMod, OperatorPrecedence.None, TypeScript.NodeType.None, "%=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.AmpersandEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgAnd, OperatorPrecedence.None, TypeScript.NodeType.None, "&=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.CaretEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgXor, OperatorPrecedence.None, TypeScript.NodeType.None, "^=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.BarEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgOr, OperatorPrecedence.None, TypeScript.NodeType.None, "|=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.LessThanLessThanEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgLsh, OperatorPrecedence.None, TypeScript.NodeType.None, "<<=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.GreaterThanGreaterThanEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgRsh, OperatorPrecedence.None, TypeScript.NodeType.None, ">>=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.GreaterThanGreaterThanGreaterThanEquals, Reservation.None, OperatorPrecedence.Assignment, TypeScript.NodeType.AsgRs2, OperatorPrecedence.None, TypeScript.NodeType.None, ">>>=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Question, Reservation.None, OperatorPrecedence.Conditional, TypeScript.NodeType.ConditionalExpression, OperatorPrecedence.None, TypeScript.NodeType.None, "?", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Colon, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, ":", TypeScript.ErrorRecoverySet.Colon);
   setTokenInfo(TokenID.BarBar, Reservation.None, OperatorPrecedence.LogicalOr, TypeScript.NodeType.LogOr, OperatorPrecedence.None, TypeScript.NodeType.None, "||", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.AmpersandAmpersand, Reservation.None, OperatorPrecedence.LogicalAnd, TypeScript.NodeType.LogAnd, OperatorPrecedence.None, TypeScript.NodeType.None, "&&", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Bar, Reservation.None, OperatorPrecedence.BitwiseOr, TypeScript.NodeType.Or, OperatorPrecedence.None, TypeScript.NodeType.None, "|", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Caret, Reservation.None, OperatorPrecedence.BitwiseExclusiveOr, TypeScript.NodeType.Xor, OperatorPrecedence.None, TypeScript.NodeType.None, "^", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.And, Reservation.None, OperatorPrecedence.BitwiseAnd, TypeScript.NodeType.And, OperatorPrecedence.None, TypeScript.NodeType.None, "&", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.EqualsEquals, Reservation.None, OperatorPrecedence.Equality, TypeScript.NodeType.Eq, OperatorPrecedence.None, TypeScript.NodeType.None, "==", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.ExclamationEquals, Reservation.None, OperatorPrecedence.Equality, TypeScript.NodeType.Ne, OperatorPrecedence.None, TypeScript.NodeType.None, "!=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.EqualsEqualsEquals, Reservation.None, OperatorPrecedence.Equality, TypeScript.NodeType.Eqv, OperatorPrecedence.None, TypeScript.NodeType.None, "===", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.ExclamationEqualsEquals, Reservation.None, OperatorPrecedence.Equality, TypeScript.NodeType.NEqv, OperatorPrecedence.None, TypeScript.NodeType.None, "!==", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.LessThan, Reservation.None, OperatorPrecedence.Relational, TypeScript.NodeType.Lt, OperatorPrecedence.None, TypeScript.NodeType.None, "<", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.LessThanEquals, Reservation.None, OperatorPrecedence.Relational, TypeScript.NodeType.Le, OperatorPrecedence.None, TypeScript.NodeType.None, "<=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.GreaterThan, Reservation.None, OperatorPrecedence.Relational, TypeScript.NodeType.Gt, OperatorPrecedence.None, TypeScript.NodeType.None, ">", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.GreaterThanEquals, Reservation.None, OperatorPrecedence.Relational, TypeScript.NodeType.Ge, OperatorPrecedence.None, TypeScript.NodeType.None, ">=", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.LessThanLessThan, Reservation.None, OperatorPrecedence.Shift, TypeScript.NodeType.Lsh, OperatorPrecedence.None, TypeScript.NodeType.None, "<<", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.GreaterThanGreaterThan, Reservation.None, OperatorPrecedence.Shift, TypeScript.NodeType.Rsh, OperatorPrecedence.None, TypeScript.NodeType.None, ">>", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.GreaterThanGreaterThanGreaterThan, Reservation.None, OperatorPrecedence.Shift, TypeScript.NodeType.Rs2, OperatorPrecedence.None, TypeScript.NodeType.None, ">>>", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Plus, Reservation.None, OperatorPrecedence.Additive, TypeScript.NodeType.Add, OperatorPrecedence.Unary, TypeScript.NodeType.Pos, "+", TypeScript.ErrorRecoverySet.AddOp);
   setTokenInfo(TokenID.Minus, Reservation.None, OperatorPrecedence.Additive, TypeScript.NodeType.Sub, OperatorPrecedence.Unary, TypeScript.NodeType.Neg, "-", TypeScript.ErrorRecoverySet.AddOp);
   setTokenInfo(TokenID.Asterisk, Reservation.None, OperatorPrecedence.Multiplicative, TypeScript.NodeType.Mul, OperatorPrecedence.None, TypeScript.NodeType.None, "*", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Slash, Reservation.None, OperatorPrecedence.Multiplicative, TypeScript.NodeType.Div, OperatorPrecedence.None, TypeScript.NodeType.None, "/", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Percent, Reservation.None, OperatorPrecedence.Multiplicative, TypeScript.NodeType.Mod, OperatorPrecedence.None, TypeScript.NodeType.None, "%", TypeScript.ErrorRecoverySet.BinOp);
   setTokenInfo(TokenID.Tilde, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.Not, "~", TypeScript.ErrorRecoverySet.PreOp);
   setTokenInfo(TokenID.Exclamation, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.LogNot, "!", TypeScript.ErrorRecoverySet.PreOp);
   setTokenInfo(TokenID.PlusPlus, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.IncPre, "++", TypeScript.ErrorRecoverySet.PreOp);
   setTokenInfo(TokenID.MinusMinus, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.Unary, TypeScript.NodeType.DecPre, "--", TypeScript.ErrorRecoverySet.PreOp);
   setTokenInfo(TokenID.OpenParen, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "(", TypeScript.ErrorRecoverySet.LParen);
   setTokenInfo(TokenID.OpenBracket, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "[", TypeScript.ErrorRecoverySet.LBrack);
   setTokenInfo(TokenID.Dot, Reservation.None, OperatorPrecedence.Unary, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, ".", TypeScript.ErrorRecoverySet.Dot);
   setTokenInfo(TokenID.EndOfFile, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "<EOF>", TypeScript.ErrorRecoverySet.EOF);
   setTokenInfo(TokenID.EqualsGreaterThan, Reservation.None, OperatorPrecedence.None, TypeScript.NodeType.None, OperatorPrecedence.None, TypeScript.NodeType.None, "=>", TypeScript.ErrorRecoverySet.None);
   function lookupToken(tokenId) {
       return TypeScript.tokenTable[tokenId];
   }
   TypeScript.lookupToken = lookupToken;
   (function (TokenClass) {
       TokenClass._map = [];
       TokenClass._map[0] = "Punctuation";
       TokenClass.Punctuation = 0;
       TokenClass._map[1] = "Keyword";
       TokenClass.Keyword = 1;
       TokenClass._map[2] = "Operator";
       TokenClass.Operator = 2;
       TokenClass._map[3] = "Comment";
       TokenClass.Comment = 3;
       TokenClass._map[4] = "Whitespace";
       TokenClass.Whitespace = 4;
       TokenClass._map[5] = "Identifier";
       TokenClass.Identifier = 5;
       TokenClass._map[6] = "NumberLiteral";
       TokenClass.NumberLiteral = 6;
       TokenClass._map[7] = "StringLiteral";
       TokenClass.StringLiteral = 7;
       TokenClass._map[8] = "RegExpLiteral";
       TokenClass.RegExpLiteral = 8;
   })(TypeScript.TokenClass || (TypeScript.TokenClass = {}));
   var TokenClass = TypeScript.TokenClass;
   var SavedToken = (function () {
       function SavedToken(tok, minChar, limChar) {
           this.tok = tok;
           this.minChar = minChar;
           this.limChar = limChar;
       }
       return SavedToken;
   })();
   TypeScript.SavedToken = SavedToken;    
   var Token = (function () {
       function Token(tokenId) {
           this.tokenId = tokenId;
       }
       Token.prototype.toString = function () {
           return "token: " + this.tokenId + " " + this.getText() + " (" + (TokenID)._map[this.tokenId] + ")";
       };
       Token.prototype.print = function (line, outfile) {
           outfile.WriteLine(this.toString() + ",on line" + line);
       };
       Token.prototype.getText = function () {
           return TypeScript.tokenTable[this.tokenId].text;
       };
       Token.prototype.classification = function () {
           if(this.tokenId <= TokenID.LimKeyword) {
               return TokenClass.Keyword;
           } else {
               var tokenInfo = lookupToken(this.tokenId);
               if(tokenInfo != undefined) {
                   if((tokenInfo.unopNodeType != TypeScript.NodeType.None) || (tokenInfo.binopNodeType != TypeScript.NodeType.None)) {
                       return TokenClass.Operator;
                   }
               }
           }
           return TokenClass.Punctuation;
       };
       return Token;
   })();
   TypeScript.Token = Token;    
   var NumberLiteralToken = (function (_super) {
       __extends(NumberLiteralToken, _super);
       function NumberLiteralToken(value, hasEmptyFraction) {
               _super.call(this, TokenID.NumberLiteral);
           this.value = value;
           this.hasEmptyFraction = hasEmptyFraction;
       }
       NumberLiteralToken.prototype.getText = function () {
           return this.hasEmptyFraction ? this.value.toString() + ".0" : this.value.toString();
       };
       NumberLiteralToken.prototype.classification = function () {
           return TokenClass.NumberLiteral;
       };
       return NumberLiteralToken;
   })(Token);
   TypeScript.NumberLiteralToken = NumberLiteralToken;    
   var StringLiteralToken = (function (_super) {
       __extends(StringLiteralToken, _super);
       function StringLiteralToken(value) {
               _super.call(this, TokenID.StringLiteral);
           this.value = value;
       }
       StringLiteralToken.prototype.getText = function () {
           return this.value;
       };
       StringLiteralToken.prototype.classification = function () {
           return TokenClass.StringLiteral;
       };
       return StringLiteralToken;
   })(Token);
   TypeScript.StringLiteralToken = StringLiteralToken;    
   var IdentifierToken = (function (_super) {
       __extends(IdentifierToken, _super);
       function IdentifierToken(value, hasEscapeSequence) {
               _super.call(this, TokenID.Identifier);
           this.value = value;
           this.hasEscapeSequence = hasEscapeSequence;
       }
       IdentifierToken.prototype.getText = function () {
           return this.value;
       };
       IdentifierToken.prototype.classification = function () {
           return TokenClass.Identifier;
       };
       return IdentifierToken;
   })(Token);
   TypeScript.IdentifierToken = IdentifierToken;    
   var WhitespaceToken = (function (_super) {
       __extends(WhitespaceToken, _super);
       function WhitespaceToken(tokenId, value) {
               _super.call(this, tokenId);
           this.value = value;
       }
       WhitespaceToken.prototype.getText = function () {
           return this.value;
       };
       WhitespaceToken.prototype.classification = function () {
           return TokenClass.Whitespace;
       };
       return WhitespaceToken;
   })(Token);
   TypeScript.WhitespaceToken = WhitespaceToken;    
   var CommentToken = (function (_super) {
       __extends(CommentToken, _super);
       function CommentToken(tokenID, value, isBlock, startPos, line, endsLine) {
               _super.call(this, tokenID);
           this.value = value;
           this.isBlock = isBlock;
           this.startPos = startPos;
           this.line = line;
           this.endsLine = endsLine;
       }
       CommentToken.prototype.getText = function () {
           return this.value;
       };
       CommentToken.prototype.classification = function () {
           return TokenClass.Comment;
       };
       return CommentToken;
   })(Token);
   TypeScript.CommentToken = CommentToken;    
   var RegularExpressionLiteralToken = (function (_super) {
       __extends(RegularExpressionLiteralToken, _super);
       function RegularExpressionLiteralToken(regex) {
               _super.call(this, TokenID.RegularExpressionLiteral);
           this.regex = regex;
       }
       RegularExpressionLiteralToken.prototype.getText = function () {
           return this.regex.toString();
       };
       RegularExpressionLiteralToken.prototype.classification = function () {
           return TokenClass.RegExpLiteral;
       };
       return RegularExpressionLiteralToken;
   })(Token);
   TypeScript.RegularExpressionLiteralToken = RegularExpressionLiteralToken;    
   TypeScript.staticTokens = new Array();
   function initializeStaticTokens() {
       for(var i = 0; i <= TokenID.LimFixed; i++) {
           TypeScript.staticTokens[i] = new Token(i);
       }
   }
   TypeScript.initializeStaticTokens = initializeStaticTokens;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var ArrayCache = (function () {
       function ArrayCache() {
           this.arrayBase = null;
       }
       ArrayCache.prototype.specialize = function (arrInstType, checker) {
           if(this.arrayBase == null) {
               this.arrayBase = arrInstType.specializeType(checker.wildElm.type, this.arrayType.elementType, checker, true);
           }
           return this.arrayBase;
       };
       return ArrayCache;
   })();
   TypeScript.ArrayCache = ArrayCache;    
   var TypeComparisonInfo = (function () {
       function TypeComparisonInfo() {
           this.onlyCaptureFirstError = false;
           this.flags = TypeScript.TypeRelationshipFlags.SuccessfulComparison;
           this.message = "";
       }
       TypeComparisonInfo.prototype.addMessageToFront = function (message) {
           if(!this.onlyCaptureFirstError) {
               this.message = this.message ? message + ":\n\t" + this.message : message;
           } else {
               this.setMessage(message);
           }
       };
       TypeComparisonInfo.prototype.setMessage = function (message) {
           this.message = message;
       };
       return TypeComparisonInfo;
   })();
   TypeScript.TypeComparisonInfo = TypeComparisonInfo;    
   (function (TypeCheckCollectionMode) {
       TypeCheckCollectionMode._map = [];
       TypeCheckCollectionMode._map[0] = "Resident";
       TypeCheckCollectionMode.Resident = 0;
       TypeCheckCollectionMode._map[1] = "Transient";
       TypeCheckCollectionMode.Transient = 1;
   })(TypeScript.TypeCheckCollectionMode || (TypeScript.TypeCheckCollectionMode = {}));
   var TypeCheckCollectionMode = TypeScript.TypeCheckCollectionMode;
   var PersistentGlobalTypeState = (function () {
       function PersistentGlobalTypeState(errorReporter) {
           this.errorReporter = errorReporter;
           this.importedGlobalsTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           this.importedGlobalsTypeTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           this.globals = null;
           this.globalTypes = null;
           this.ambientGlobals = null;
           this.ambientGlobalTypes = null;
           this.residentGlobalValues = new TypeScript.StringHashTable();
           this.residentGlobalTypes = new TypeScript.StringHashTable();
           this.residentGlobalAmbientValues = new TypeScript.StringHashTable();
           this.residentGlobalAmbientTypes = new TypeScript.StringHashTable();
           this.residentTypeCheck = true;
           this.mod = null;
           this.gloMod = null;
           this.wildElm = null;
           this.importedGlobals = new TypeScript.SymbolScopeBuilder(null, this.importedGlobalsTable, null, this.importedGlobalsTypeTable, null, null);
           this.dualGlobalValues = new TypeScript.DualStringHashTable(this.residentGlobalValues, new TypeScript.StringHashTable());
           this.dualGlobalTypes = new TypeScript.DualStringHashTable(this.residentGlobalTypes, new TypeScript.StringHashTable());
           this.dualAmbientGlobalValues = new TypeScript.DualStringHashTable(this.residentGlobalAmbientValues, new TypeScript.StringHashTable());
           this.dualAmbientGlobalTypes = new TypeScript.DualStringHashTable(this.residentGlobalAmbientTypes, new TypeScript.StringHashTable());
           var dualGlobalScopedMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualGlobalValues, new TypeScript.StringHashTable()));
           var dualGlobalScopedAmbientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualAmbientGlobalValues, new TypeScript.StringHashTable()));
           var dualGlobalScopedEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualGlobalTypes, new TypeScript.StringHashTable()));
           var dualGlobalScopedAmbientEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(this.dualAmbientGlobalTypes, new TypeScript.StringHashTable()));
           this.globalScope = new TypeScript.SymbolScopeBuilder(dualGlobalScopedMembers, dualGlobalScopedAmbientMembers, dualGlobalScopedEnclosedTypes, dualGlobalScopedAmbientEnclosedTypes, this.importedGlobals, null);
           this.voidType = this.enterPrimitive(TypeScript.Primitive.Void, "void");
           this.booleanType = this.enterPrimitive(TypeScript.Primitive.Boolean, "bool");
           this.doubleType = this.enterPrimitive(TypeScript.Primitive.Double, "number");
           this.importedGlobals.ambientEnclosedTypes.addPublicMember("number", this.doubleType.symbol);
           this.stringType = this.enterPrimitive(TypeScript.Primitive.String, "string");
           this.anyType = this.enterPrimitive(TypeScript.Primitive.Any, "any");
           this.nullType = this.enterPrimitive(TypeScript.Primitive.Null, "null");
           this.undefinedType = this.enterPrimitive(TypeScript.Primitive.Undefined, "undefined");
           this.setCollectionMode(TypeCheckCollectionMode.Resident);
           this.wildElm = new TypeScript.TypeSymbol("_element", -1, 0, -1, new TypeScript.Type());
           this.importedGlobalsTypeTable.addPublicMember(this.wildElm.name, this.wildElm);
           this.mod = new TypeScript.ModuleType(dualGlobalScopedEnclosedTypes, dualGlobalScopedAmbientEnclosedTypes);
           this.mod.members = dualGlobalScopedMembers;
           this.mod.ambientMembers = dualGlobalScopedAmbientMembers;
           this.mod.containedScope = this.globalScope;
           this.gloMod = new TypeScript.TypeSymbol(TypeScript.globalId, -1, 0, -1, this.mod);
           this.mod.members.addPublicMember(this.gloMod.name, this.gloMod);
           this.defineGlobalValue("undefined", this.undefinedType);
       }
       PersistentGlobalTypeState.prototype.enterPrimitive = function (flags, name) {
           var primitive = new TypeScript.Type();
           primitive.primitiveTypeClass = flags;
           var symbol = new TypeScript.TypeSymbol(name, -1, name.length, -1, primitive);
           symbol.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
           primitive.symbol = symbol;
           this.importedGlobals.enter(null, null, symbol, this.errorReporter, true, true, true);
           return primitive;
       };
       PersistentGlobalTypeState.prototype.setCollectionMode = function (mode) {
           this.residentTypeCheck = this.dualGlobalValues.insertPrimary = this.dualGlobalTypes.insertPrimary = this.dualAmbientGlobalValues.insertPrimary = this.dualAmbientGlobalTypes.insertPrimary = mode == TypeCheckCollectionMode.Resident;
       };
       PersistentGlobalTypeState.prototype.refreshPersistentState = function () {
           this.globals = new TypeScript.StringHashTable();
           this.globalTypes = new TypeScript.StringHashTable();
           this.ambientGlobals = new TypeScript.StringHashTable();
           this.ambientGlobalTypes = new TypeScript.StringHashTable();
           this.globalTypes.add(this.voidType.symbol.name, this.voidType.symbol);
           this.globalTypes.add(this.booleanType.symbol.name, this.booleanType.symbol);
           this.globalTypes.add(this.doubleType.symbol.name, this.doubleType.symbol);
           this.globalTypes.add("number", this.doubleType.symbol);
           this.globalTypes.add(this.stringType.symbol.name, this.stringType.symbol);
           this.globalTypes.add(this.anyType.symbol.name, this.anyType.symbol);
           this.globalTypes.add(this.nullType.symbol.name, this.nullType.symbol);
           this.globalTypes.add(this.undefinedType.symbol.name, this.undefinedType.symbol);
           this.dualGlobalValues.secondaryTable = this.globals;
           this.dualGlobalTypes.secondaryTable = this.globalTypes;
           this.dualAmbientGlobalValues.secondaryTable = this.ambientGlobals;
           this.dualAmbientGlobalTypes.secondaryTable = this.ambientGlobalTypes;
       };
       PersistentGlobalTypeState.prototype.defineGlobalValue = function (name, type) {
           var valueLocation = new TypeScript.ValueLocation();
           valueLocation.typeLink = new TypeScript.TypeLink();
           var sym = new TypeScript.VariableSymbol(name, 0, -1, valueLocation);
           sym.setType(type);
           sym.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
           sym.container = this.gloMod;
           this.importedGlobalsTable.addPublicMember(name, sym);
       };
       return PersistentGlobalTypeState;
   })();
   TypeScript.PersistentGlobalTypeState = PersistentGlobalTypeState;    
   var ContextualTypeContext = (function () {
       function ContextualTypeContext(contextualType, provisional, contextID) {
           this.contextualType = contextualType;
           this.provisional = provisional;
           this.contextID = contextID;
           this.targetSig = null;
           this.targetThis = null;
           this.targetAccessorType = null;
       }
       return ContextualTypeContext;
   })();
   TypeScript.ContextualTypeContext = ContextualTypeContext;    
   var ContextualTypingContextStack = (function () {
       function ContextualTypingContextStack(checker) {
           this.checker = checker;
           this.contextStack = [];
           this.hadProvisionalErrors = false;
       }
       ContextualTypingContextStack.contextID = TypeScript.TypeCheckStatus.Finished + 1;
       ContextualTypingContextStack.prototype.pushContextualType = function (type, provisional) {
           this.contextStack.push(new ContextualTypeContext(type, provisional, ContextualTypingContextStack.contextID++));
           this.checker.errorReporter.pushToErrorSink = provisional;
       };
       ContextualTypingContextStack.prototype.popContextualType = function () {
           var tc = this.contextStack.pop();
           this.checker.errorReporter.pushToErrorSink = this.isProvisional();
           this.hadProvisionalErrors = this.hadProvisionalErrors || (tc.provisional && (this.checker.errorReporter.getCapturedErrors().length));
           this.checker.errorReporter.freeCapturedErrors();
           return tc;
       };
       ContextualTypingContextStack.prototype.getContextualType = function () {
           return (!this.contextStack.length ? null : this.contextStack[this.contextStack.length - 1]);
       };
       ContextualTypingContextStack.prototype.getContextID = function () {
           return (!this.contextStack.length ? TypeScript.TypeCheckStatus.Finished : this.contextStack[this.contextStack.length - 1].contextID);
       };
       ContextualTypingContextStack.prototype.isProvisional = function () {
           return (!this.contextStack.length ? false : this.contextStack[this.contextStack.length - 1].provisional);
       };
       return ContextualTypingContextStack;
   })();
   TypeScript.ContextualTypingContextStack = ContextualTypingContextStack;    
   var TypeChecker = (function () {
       function TypeChecker(persistentState) {
           this.persistentState = persistentState;
           this.errorReporter = null;
           this.checkControlFlow = false;
           this.printControlFlowGraph = false;
           this.checkControlFlowUseDef = false;
           this.styleSettings = null;
           this.units = null;
           this.anon = "_anonymous";
           this.locationInfo = null;
           this.typeFlow = null;
           this.currentCompareA = null;
           this.currentCompareB = null;
           this.currentModDecl = null;
           this.inBind = false;
           this.inWith = false;
           this.errorsOnWith = true;
           this.currentContextualTypeContext = null;
           this.resolvingBases = false;
           this.canCallDefinitionSignature = false;
           this.assignableCache = {
           };
           this.subtypeCache = {
           };
           this.identicalCache = {
           };
           this.provisionalStartedTypecheckObjects = [];
           this.mustCaptureGlobalThis = false;
           this.voidType = this.persistentState.voidType;
           this.booleanType = this.persistentState.booleanType;
           this.numberType = this.persistentState.doubleType;
           this.stringType = this.persistentState.stringType;
           this.anyType = this.persistentState.anyType;
           this.nullType = this.persistentState.nullType;
           this.undefinedType = this.persistentState.undefinedType;
           this.globals = this.persistentState.dualGlobalValues;
           this.globalTypes = this.persistentState.dualGlobalTypes;
           this.ambientGlobals = this.persistentState.dualAmbientGlobalValues;
           this.ambientGlobalTypes = this.persistentState.dualAmbientGlobalTypes;
           this.gloModType = this.persistentState.mod;
           this.gloMod = this.persistentState.gloMod;
           this.wildElm = this.persistentState.wildElm;
           this.globalScope = this.persistentState.globalScope;
           this.typingContextStack = new ContextualTypingContextStack(this);
       }
       TypeChecker.prototype.setStyleOptions = function (style) {
           this.styleSettings = style;
       };
       TypeChecker.prototype.setContextualType = function (type, provisional) {
           this.typingContextStack.pushContextualType(type, provisional);
           this.currentContextualTypeContext = this.typingContextStack.getContextualType();
       };
       TypeChecker.prototype.unsetContextualType = function () {
           var lastTC = this.typingContextStack.popContextualType();
           this.currentContextualTypeContext = this.typingContextStack.getContextualType();
           return lastTC;
       };
       TypeChecker.prototype.hadProvisionalErrors = function () {
           return this.typingContextStack.hadProvisionalErrors;
       };
       TypeChecker.prototype.resetProvisionalErrors = function () {
           if(!this.typingContextStack.getContextualType()) {
               this.typingContextStack.hadProvisionalErrors = false;
           }
       };
       TypeChecker.prototype.typeCheckWithContextualType = function (contextType, provisional, condition, ast) {
           if(condition) {
               this.setContextualType(contextType, this.typingContextStack.isProvisional() || provisional);
           }
           this.typeFlow.typeCheck(ast);
           if(condition) {
               this.unsetContextualType();
           }
       };
       TypeChecker.prototype.resetTargetType = function () {
           this.currentContextualTypeContext = this.typingContextStack.getContextualType();
       };
       TypeChecker.prototype.killCurrentContextualType = function () {
           this.currentContextualTypeContext = null;
           this.errorReporter.pushToErrorSink = false;
       };
       TypeChecker.prototype.hasTargetType = function () {
           return this.currentContextualTypeContext && this.currentContextualTypeContext.contextualType;
       };
       TypeChecker.prototype.getTargetTypeContext = function () {
           return this.currentContextualTypeContext;
       };
       TypeChecker.prototype.inProvisionalTypecheckMode = function () {
           return this.typingContextStack.isProvisional();
       };
       TypeChecker.prototype.getTypeCheckFinishedStatus = function () {
           if(this.inProvisionalTypecheckMode()) {
               return this.typingContextStack.getContextID();
           }
           return TypeScript.TypeCheckStatus.Finished;
       };
       TypeChecker.prototype.typeStatusIsFinished = function (status) {
           return status == TypeScript.TypeCheckStatus.Finished || (this.inProvisionalTypecheckMode() && status == this.typingContextStack.getContextID());
       };
       TypeChecker.prototype.addStartedPTO = function (pto) {
           if(this.inProvisionalTypecheckMode()) {
               this.provisionalStartedTypecheckObjects[this.provisionalStartedTypecheckObjects.length] = pto;
           }
       };
       TypeChecker.prototype.cleanStartedPTO = function () {
           for(var i = 0; i < this.provisionalStartedTypecheckObjects.length; i++) {
               if(this.provisionalStartedTypecheckObjects[i].typeCheckStatus >= this.typingContextStack.getContextID()) {
                   this.provisionalStartedTypecheckObjects[i].typeCheckStatus = TypeScript.TypeCheckStatus.NotStarted;
               }
           }
           this.provisionalStartedTypecheckObjects = [];
       };
       TypeChecker.prototype.collectTypes = function (ast) {
           if(ast.nodeType == TypeScript.NodeType.Script) {
               var script = ast;
               this.locationInfo = script.locationInfo;
           }
           var globalChain = new TypeScript.ScopeChain(this.gloMod, null, this.globalScope);
           var context = new TypeScript.TypeCollectionContext(globalChain, this);
           TypeScript.getAstWalkerFactory().walk(ast, TypeScript.preCollectTypes, TypeScript.postCollectTypes, null, context);
       };
       TypeChecker.prototype.makeArrayType = function (type) {
           if(type.arrayCache == null) {
               type.arrayCache = new ArrayCache();
               type.arrayCache.arrayType = new TypeScript.Type();
               type.arrayCache.arrayType.elementType = type;
               type.arrayCache.arrayType.symbol = type.symbol;
           }
           return type.arrayCache.arrayType;
       };
       TypeChecker.prototype.getParameterList = function (funcDecl, container) {
           var args = funcDecl.arguments;
           var parameterTable = null;
           var parameterBuilder = null;
           var len = args.members.length;
           var nonOptionalParams = 0;
           var result = [];
           if(len > 0) {
               parameterTable = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               parameterBuilder = new TypeScript.SymbolScopeBuilder(parameterTable, null, null, null, null, container);
               for(var i = 0; i < len; i++) {
                   var parameter = args.members[i];
                   var paramDef = new TypeScript.ValueLocation();
                   var parameterSymbol = new TypeScript.ParameterSymbol(parameter.id.text, parameter.minChar, this.locationInfo.unitIndex, paramDef);
                   parameterSymbol.declAST = parameter;
                   parameterSymbol.funcDecl = funcDecl;
                   parameter.id.sym = parameterSymbol;
                   parameter.sym = parameterSymbol;
                   paramDef.symbol = parameterSymbol;
                   paramDef.typeLink = TypeScript.getTypeLink(parameter.typeExpr, this, false);
                   parameterBuilder.enter(null, parameter, parameterSymbol, this.errorReporter, true, false, false);
                   result[result.length] = parameterSymbol;
                   if(!parameter.isOptionalArg()) {
                       nonOptionalParams++;
                   }
               }
           }
           return {
               parameters: result,
               nonOptionalParameterCount: nonOptionalParams
           };
       };
       TypeChecker.prototype.createFunctionSignature = function (funcDecl, container, scope, overloadGroupSym, addToScope) {
           var isExported = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported) || container == this.gloMod;
           var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
           var isPrivate = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private);
           var isDefinition = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Definition);
           var isAmbient = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Ambient);
           var isConstructor = funcDecl.isConstructMember() || funcDecl.isConstructor;
           var isGlobal = container == this.gloMod;
           var signature = new TypeScript.Signature();
           var isLambda = funcDecl.fncFlags & TypeScript.FncFlags.IsFunctionExpression;
           if(funcDecl.returnTypeAnnotation || isDefinition) {
               signature.returnType = TypeScript.getTypeLink(funcDecl.returnTypeAnnotation, this, false);
           } else {
               signature.returnType = new TypeScript.TypeLink();
               signature.returnType.type = this.anyType;
           }
           signature.hasVariableArgList = funcDecl.variableArgList;
           var sigData = this.getParameterList(funcDecl, container);
           signature.parameters = sigData.parameters;
           signature.nonOptionalParameterCount = sigData.nonOptionalParameterCount;
           funcDecl.signature = signature;
           signature.declAST = funcDecl;
           var useOverloadGroupSym = overloadGroupSym && overloadGroupSym.getType() && !overloadGroupSym.isAccessor() && (funcDecl.isSignature() || (isAmbient == TypeScript.hasFlag(overloadGroupSym.flags, TypeScript.SymbolFlags.Ambient)));
           if(useOverloadGroupSym && isPrivate != TypeScript.hasFlag(overloadGroupSym.flags, TypeScript.SymbolFlags.Private)) {
               this.errorReporter.simpleError(funcDecl, "Public/Private visibility of overloads does not agree");
           }
           var groupType = useOverloadGroupSym ? overloadGroupSym.getType() : new TypeScript.Type();
           if(isConstructor) {
               if(groupType.construct == null) {
                   groupType.construct = new TypeScript.SignatureGroup();
               }
               groupType.construct.addSignature(signature);
               groupType.construct.hasImplementation = !(funcDecl.isSignature());
               if(groupType.construct.hasImplementation) {
                   groupType.setHasImplementation();
               }
           } else {
               if(funcDecl.isIndexerMember()) {
                   if(groupType.index == null) {
                       groupType.index = new TypeScript.SignatureGroup();
                       groupType.index.flags |= TypeScript.SignatureFlags.IsIndexer;
                   }
                   groupType.index.addSignature(signature);
                   groupType.index.hasImplementation = !(funcDecl.isSignature());
                   if(groupType.index.hasImplementation) {
                       groupType.setHasImplementation();
                   }
               } else {
                   if(groupType.call == null) {
                       groupType.call = new TypeScript.SignatureGroup();
                   }
                   groupType.call.addSignature(signature);
                   groupType.call.hasImplementation = !(funcDecl.isSignature());
                   if(groupType.call.hasImplementation) {
                       groupType.setHasImplementation();
                   }
               }
           }
           var instanceType = groupType.instanceType;
           var funcName = null;
           var usedHint = false;
           if(funcDecl.name && !funcDecl.name.isMissing()) {
               funcName = funcDecl.name.text;
           } else {
               if(funcDecl.hint) {
                   funcName = funcDecl.hint;
                   usedHint = true;
               }
           }
           if(groupType.symbol == null) {
               groupType.symbol = new TypeScript.TypeSymbol(funcName ? funcName : this.anon, funcDecl.minChar, funcDecl.limChar - funcDecl.minChar, this.locationInfo.unitIndex, groupType);
               if(!useOverloadGroupSym) {
                   groupType.symbol.declAST = funcDecl;
               }
           }
           if(isStatic) {
               groupType.symbol.flags |= TypeScript.SymbolFlags.Static;
           }
           if(isAmbient) {
               groupType.symbol.flags |= TypeScript.SymbolFlags.Ambient;
           }
           if(isPrivate) {
               groupType.symbol.flags |= TypeScript.SymbolFlags.Private;
           }
           groupType.symbol.isMethod = funcDecl.isMethod();
           if(groupType.symbol.isMethod) {
               groupType.symbol.flags |= TypeScript.SymbolFlags.Property;
           }
           funcDecl.type = groupType;
           if(!isConstructor) {
               if(funcName && !isLambda && !funcDecl.isAccessor() && !usedHint) {
                   if(addToScope) {
                       if(funcDecl.isMethod() && isStatic) {
                           if(!(container).type.members.publicMembers.add(funcName, groupType.symbol)) {
                               this.errorReporter.duplicateIdentifier(funcDecl, funcName);
                           }
                           groupType.symbol.container = container;
                       } else {
                           if(overloadGroupSym == null || (overloadGroupSym.declAST && !(overloadGroupSym.declAST).isOverload && (container.isType()))) {
                               scope.enter(container, funcDecl, groupType.symbol, this.errorReporter, !isPrivate && (isExported || isStatic || isGlobal), false, isAmbient);
                           }
                       }
                   } else {
                       if(!funcDecl.isSpecialFn()) {
                           groupType.symbol.container = container;
                       }
                   }
               } else {
                   if(!funcDecl.isSpecialFn()) {
                       groupType.symbol.container = container;
                   }
               }
           }
           if(useOverloadGroupSym) {
               var overloadGroupType = overloadGroupSym ? overloadGroupSym.getType() : null;
               var classType = groupType;
               if(classType != overloadGroupType) {
                   if(classType.construct == null) {
                       if(overloadGroupType && overloadGroupType.construct) {
                           classType.construct = overloadGroupType.construct;
                       } else {
                           classType.construct = new TypeScript.SignatureGroup();
                       }
                   } else {
                       if(overloadGroupType) {
                           if(overloadGroupType.construct) {
                               classType.construct.signatures.concat(overloadGroupType.construct.signatures);
                           }
                       }
                   }
                   if(overloadGroupType) {
                       if(classType.call == null) {
                           classType.call = overloadGroupType.call;
                       } else {
                           if(overloadGroupType.call) {
                               classType.call.signatures.concat(overloadGroupType.call.signatures);
                           }
                       }
                       if(!isStatic) {
                           if(classType.instanceType == null) {
                               classType.instanceType = overloadGroupType.instanceType;
                           }
                           var instanceType = classType.instanceType;
                           if(instanceType) {
                               if(instanceType.call == null) {
                                   instanceType.call = overloadGroupType.call;
                               } else {
                                   if(overloadGroupType.call) {
                                       instanceType.call.signatures.concat(overloadGroupType.call.signatures);
                                   }
                               }
                           }
                       }
                       if(classType.index == null) {
                           classType.index = overloadGroupType.index;
                       } else {
                           if(overloadGroupType.index) {
                               classType.index.signatures.concat(overloadGroupType.index.signatures);
                           }
                       }
                   }
               }
           }
           return signature;
       };
       TypeChecker.prototype.createAccessorSymbol = function (funcDecl, fgSym, enclosingClass, addToMembers, isClassProperty, scope, container) {
           var accessorSym = null;
           var sig = funcDecl.signature;
           var nameText = funcDecl.name.text;
           var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
           var isPrivate = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private);
           if(fgSym == null) {
               var field = new TypeScript.ValueLocation();
               accessorSym = new TypeScript.FieldSymbol(nameText, funcDecl.minChar, this.locationInfo.unitIndex, false, field);
               field.symbol = accessorSym;
               accessorSym.declAST = funcDecl;
               if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                   if(accessorSym.getter) {
                       this.errorReporter.simpleError(funcDecl, "Redeclaration of property getter");
                   }
                   accessorSym.getter = sig.declAST.type.symbol;
               } else {
                   if(accessorSym.setter) {
                       this.errorReporter.simpleError(funcDecl, "Redeclaration of property setter");
                   }
                   accessorSym.setter = sig.declAST.type.symbol;
               }
               field.typeLink = TypeScript.getTypeLink(null, this, false);
               if(addToMembers) {
                   if(enclosingClass) {
                       if(!enclosingClass.members.publicMembers.add(nameText, accessorSym)) {
                           this.errorReporter.duplicateIdentifier(funcDecl, accessorSym.name);
                       }
                       accessorSym.container = enclosingClass.symbol;
                   } else {
                       this.errorReporter.simpleError(funcDecl, "Accessor property may not be added in this context");
                   }
               } else {
                   scope.enter(container, funcDecl, accessorSym, this.errorReporter, !isPrivate || isStatic, false, false);
               }
               if(isClassProperty) {
                   accessorSym.flags |= TypeScript.SymbolFlags.Property;
               }
               if(isStatic) {
                   accessorSym.flags |= TypeScript.SymbolFlags.Static;
               }
               if(isPrivate) {
                   accessorSym.flags |= TypeScript.SymbolFlags.Private;
               } else {
                   accessorSym.flags |= TypeScript.SymbolFlags.Public;
               }
           } else {
               accessorSym = (fgSym);
               if(isPrivate != TypeScript.hasFlag(accessorSym.flags, TypeScript.SymbolFlags.Private)) {
                   this.errorReporter.simpleError(funcDecl, "Getter and setter accessors do not agree in visibility");
               }
               if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                   if(accessorSym.getter) {
                       this.errorReporter.simpleError(funcDecl, "Redeclaration of property getter");
                   }
                   accessorSym.getter = funcDecl.type.symbol;
               } else {
                   if(accessorSym.setter) {
                       this.errorReporter.simpleError(funcDecl, "Redeclaration of property setter");
                   }
                   accessorSym.setter = funcDecl.type.symbol;
               }
           }
           return accessorSym;
       };
       TypeChecker.prototype.addBases = function (resultScope, type, baseContext) {
           resultScope.addParentScope(new TypeScript.SymbolTableScope(type.members, type.ambientMembers, type.getAllEnclosedTypes(), type.getAllAmbientEnclosedTypes(), type.symbol));
           var i = 0;
           var parent;
           if(type.extendsList) {
               for(var len = type.extendsList.length; i < len; i++) {
                   parent = type.extendsList[i];
                   if(baseContext.baseId == parent.typeID) {
                       this.errorReporter.reportErrorFromSym(parent.symbol, "Type '" + baseContext.base + "' is recursively referenced as a base class of itself");
                       parent.symbol.flags |= TypeScript.SymbolFlags.RecursivelyReferenced;
                       break;
                   }
                   this.addBases(resultScope, parent, baseContext);
               }
           }
       };
       TypeChecker.prototype.scopeOf = function (type) {
           var resultScope = new TypeScript.SymbolAggregateScope(type.symbol);
           var baseContext = {
               base: type.symbol && type.symbol.name ? type.symbol.name : "{}",
               baseId: type.typeID
           };
           this.addBases(resultScope, type, baseContext);
           return resultScope;
       };
       TypeChecker.prototype.lookupMemberTypeSymbol = function (containingType, name) {
           var symbol = null;
           if(containingType.containedScope) {
               symbol = containingType.containedScope.find(name, false, true);
           } else {
               if(containingType.members) {
                   symbol = containingType.members.allMembers.lookup(name);
                   if(symbol == null && containingType.ambientMembers) {
                       symbol = containingType.ambientMembers.allMembers.lookup(name);
                   }
               }
           }
           if(symbol == null) {
               var typeMembers = containingType.getAllEnclosedTypes();
               var ambientTypeMembers = containingType.getAllAmbientEnclosedTypes();
               if(typeMembers) {
                   symbol = typeMembers.allMembers.lookup(name);
                   if(symbol == null && ambientTypeMembers) {
                       symbol = ambientTypeMembers.allMembers.lookup(name);
                   }
               }
           }
           if(symbol && symbol.isType()) {
               return symbol;
           } else {
               return null;
           }
       };
       TypeChecker.prototype.findSymbolForDynamicModule = function (idText, currentFileName, search) {
           var originalIdText = idText;
           var symbol = search(idText);
           if(symbol == null) {
               if(!symbol) {
                   idText = TypeScript.swapQuotes(originalIdText);
                   symbol = search(idText);
               }
               if(!symbol) {
                   idText = TypeScript.stripQuotes(originalIdText) + ".ts";
                   symbol = search(idText);
               }
               if(!symbol) {
                   idText = TypeScript.stripQuotes(originalIdText) + ".str";
                   symbol = search(idText);
               }
               if(!symbol) {
                   idText = TypeScript.stripQuotes(originalIdText) + ".d.ts";
                   symbol = search(idText);
               }
               if(!symbol) {
                   idText = TypeScript.stripQuotes(originalIdText) + ".d.str";
                   symbol = search(idText);
               }
               if(!symbol && !TypeScript.isRelative(originalIdText)) {
                   idText = originalIdText;
                   var strippedIdText = TypeScript.stripQuotes(idText);
                   var path = TypeScript.getRootFilePath(TypeScript.switchToForwardSlashes(currentFileName));
                   while(symbol == null && path != "") {
                       idText = TypeScript.normalizePath(path + strippedIdText + ".ts");
                       symbol = search(idText);
                       if(symbol == null) {
                           idText = TypeScript.changePathToSTR(idText);
                           symbol = search(idText);
                       }
                       if(symbol == null) {
                           idText = TypeScript.changePathToDTS(idText);
                           symbol = search(idText);
                       }
                       if(symbol == null) {
                           idText = TypeScript.changePathToDSTR(idText);
                           symbol = search(idText);
                       }
                       if(symbol == null) {
                           if(path === '/') {
                               path = '';
                           } else {
                               path = TypeScript.normalizePath(path + "..");
                               path = path && path != '/' ? path + '/' : path;
                           }
                       }
                   }
               }
           }
           return symbol;
       };
       TypeChecker.prototype.resolveTypeMember = function (scope, dotNode) {
           var lhs = dotNode.operand1;
           var rhs = dotNode.operand2;
           var resultType = this.anyType;
           var lhsType = this.anyType;
           if(lhs && rhs && (rhs.nodeType == TypeScript.NodeType.Name)) {
               if(lhs.nodeType == TypeScript.NodeType.Dot) {
                   lhsType = this.resolveTypeMember(scope, lhs);
               } else {
                   if(lhs.nodeType == TypeScript.NodeType.Name) {
                       var identifier = lhs;
                       var symbol = scope.find(identifier.text, false, true);
                       if(symbol == null) {
                           this.errorReporter.unresolvedSymbol(identifier, identifier.actualText);
                       } else {
                           if(symbol.isType()) {
                               var typeSymbol = symbol;
                               if(typeSymbol.aliasLink && !typeSymbol.type && typeSymbol.aliasLink.alias.nodeType == TypeScript.NodeType.Name) {
                                   var modPath = (typeSymbol.aliasLink.alias).text;
                                   var modSym = this.findSymbolForDynamicModule(modPath, this.locationInfo.filename, function (id) {
                                       return scope.find(id, false, true);
                                   });
                                   if(modSym) {
                                       typeSymbol.type = modSym.getType();
                                   }
                               }
                               if(TypeScript.optimizeModuleCodeGen && symbol) {
                                   var symType = symbol.getType();
                                   if(symType && typeSymbol.aliasLink && typeSymbol.onlyReferencedAsTypeRef) {
                                       var modDecl = symType.symbol.declAST;
                                       if(modDecl && TypeScript.hasFlag(modDecl.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                                           typeSymbol.onlyReferencedAsTypeRef = !this.resolvingBases;
                                       }
                                   }
                               }
                               if(!symbol.visible(scope, this)) {
                                   this.errorReporter.simpleError(lhs, "The symbol '" + identifier.actualText + "' is not visible at this point");
                               }
                               lhsType = symbol.getType();
                               identifier.sym = symbol;
                           } else {
                               this.errorReporter.simpleError(lhs, "Expected type");
                           }
                       }
                   }
               }
               if(!lhsType) {
                   lhsType = this.anyType;
               }
               if(lhsType != this.anyType) {
                   var rhsIdentifier = rhs;
                   var resultSymbol = this.lookupMemberTypeSymbol(lhsType, rhsIdentifier.text);
                   if(resultSymbol == null) {
                       resultType = this.anyType;
                       this.errorReporter.simpleError(dotNode, "Expected type");
                   } else {
                       resultType = resultSymbol.getType();
                       if(!resultSymbol.visible(scope, this)) {
                           this.errorReporter.simpleError(lhs, "The symbol '" + (rhs).actualText + "' is not visible at this point");
                       }
                   }
                   rhsIdentifier.sym = resultType.symbol;
               }
           }
           if(resultType.isClass()) {
               resultType = resultType.instanceType;
           }
           return resultType;
       };
       TypeChecker.prototype.resolveFuncDecl = function (funcDecl, scope, fgSym) {
           var functionGroupSymbol = this.createFunctionSignature(funcDecl, scope.container, scope, fgSym, false).declAST.type.symbol;
           var signatures;
           if(funcDecl.isConstructMember()) {
               signatures = functionGroupSymbol.type.construct.signatures;
           } else {
               if(funcDecl.isIndexerMember()) {
                   signatures = functionGroupSymbol.type.getInstanceType().index.signatures;
               } else {
                   signatures = functionGroupSymbol.type.call.signatures;
               }
           }
           var signature = signatures[signatures.length - 1];
           var len = signature.parameters.length;
           for(var i = 0; i < len; i++) {
               var paramSym = signature.parameters[i];
               this.resolveTypeLink(scope, paramSym.parameter.typeLink, true);
           }
           if(len && funcDecl.variableArgList) {
               if(!signature.parameters[len - 1].parameter.typeLink.type.elementType) {
                   this.errorReporter.simpleErrorFromSym(signature.parameters[len - 1].parameter.symbol, "... parameter must have array type");
                   signature.parameters[len - 1].parameter.typeLink.type = this.makeArrayType(signature.parameters[len - 1].parameter.typeLink.type);
               }
           }
           this.resolveTypeLink(scope, signature.returnType, funcDecl.isSignature());
           return functionGroupSymbol;
       };
       TypeChecker.prototype.resolveVarDecl = function (varDecl, scope) {
           var field = new TypeScript.ValueLocation();
           var fieldSymbol = new TypeScript.FieldSymbol(varDecl.id.text, varDecl.minChar, this.locationInfo.unitIndex, (varDecl.varFlags & TypeScript.VarFlags.Readonly) == TypeScript.VarFlags.None, field);
           fieldSymbol.transferVarFlags(varDecl.varFlags);
           field.symbol = fieldSymbol;
           fieldSymbol.declAST = varDecl;
           field.typeLink = TypeScript.getTypeLink(varDecl.typeExpr, this, varDecl.init == null);
           this.resolveTypeLink(scope, field.typeLink, true);
           varDecl.sym = fieldSymbol;
           varDecl.type = field.typeLink.type;
           return fieldSymbol;
       };
       TypeChecker.prototype.resolveTypeLink = function (scope, typeLink, supplyVar) {
           var arrayCount = 0;
           if(typeLink.type == null) {
               var ast = typeLink.ast;
               if(ast) {
                   while(typeLink.type == null) {
                       switch(ast.nodeType) {
                           case TypeScript.NodeType.Name: {
                               var identifier = ast;
                               var symbol = scope.find(identifier.text, false, true);
                               if(symbol == null) {
                                   typeLink.type = this.anyType;
                                   this.errorReporter.unresolvedSymbol(identifier, identifier.actualText);
                               } else {
                                   if(symbol.isType()) {
                                       if(!symbol.visible(scope, this)) {
                                           this.errorReporter.simpleError(ast, "The symbol '" + identifier.actualText + "' is not visible at this point");
                                       }
                                       identifier.sym = symbol;
                                       typeLink.type = symbol.getType();
                                       if(typeLink.type) {
                                           if(typeLink.type.isClass()) {
                                               typeLink.type = typeLink.type.instanceType;
                                           }
                                       } else {
                                           typeLink.type = this.anyType;
                                       }
                                   } else {
                                       typeLink.type = this.anyType;
                                       this.errorReporter.simpleError(ast, "Expected type");
                                   }
                               }
                               break;

                           }
                           case TypeScript.NodeType.Dot: {
                               typeLink.type = this.resolveTypeMember(scope, ast);
                               break;

                           }
                           case TypeScript.NodeType.TypeRef: {
                               var typeRef = ast;
                               arrayCount = typeRef.arrayCount;
                               ast = typeRef.term;
                               if(ast == null) {
                                   typeLink.type = this.anyType;
                               }
                               break;

                           }
                           case TypeScript.NodeType.InterfaceDeclaration: {
                               var interfaceDecl = ast;
                               var interfaceType = new TypeScript.Type();
                               var interfaceSymbol = new TypeScript.TypeSymbol((interfaceDecl.name).text, ast.minChar, ast.limChar - ast.minChar, this.locationInfo.unitIndex, interfaceType);
                               interfaceType.symbol = interfaceSymbol;
                               interfaceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                               interfaceType.containedScope = new TypeScript.SymbolTableScope(interfaceType.members, null, null, null, interfaceSymbol);
                               interfaceType.containedScope.container = interfaceSymbol;
                               interfaceType.memberScope = interfaceType.containedScope;
                               var memberList = interfaceDecl.members;
                               var props = memberList.members;
                               var propsLen = props.length;
                               for(var j = 0; j < propsLen; j++) {
                                   var propDecl = props[j];
                                   var propSym = null;
                                   var addMember = true;
                                   var id = null;
                                   if(propDecl.nodeType == TypeScript.NodeType.FuncDecl) {
                                       var funcDecl = propDecl;
                                       id = funcDecl.name;
                                       propSym = interfaceType.members.allMembers.lookup(funcDecl.getNameText());
                                       addMember = (propSym == null);
                                       if(funcDecl.isSpecialFn()) {
                                           addMember = false;
                                           propSym = this.resolveFuncDecl(funcDecl, scope, interfaceSymbol);
                                       } else {
                                           propSym = this.resolveFuncDecl(funcDecl, scope, propSym);
                                       }
                                       funcDecl.type = (propSym).type;
                                   } else {
                                       id = (propDecl).id;
                                       propSym = this.resolveVarDecl(propDecl, scope);
                                       addMember = !id.isMissing();
                                   }
                                   if(addMember) {
                                       if(id && TypeScript.hasFlag(id.flags, TypeScript.ASTFlags.OptionalName)) {
                                           propSym.flags |= TypeScript.SymbolFlags.Optional;
                                       }
                                       if(!interfaceType.members.allMembers.add(propSym.name, propSym)) {
                                           this.errorReporter.duplicateIdentifier(ast, propSym.name);
                                       }
                                   }
                               }
                               ast.type = interfaceType;
                               typeLink.type = interfaceType;
                               break;

                           }
                           case TypeScript.NodeType.FuncDecl: {
                               var tsym = this.resolveFuncDecl(ast, scope, null);
                               typeLink.type = tsym.type;
                               break;

                           }
                           default: {
                               typeLink.type = this.anyType;
                               this.errorReporter.simpleError(ast, "Expected type");
                               break;

                           }
                       }
                   }
               }
               for(var count = arrayCount; count > 0; count--) {
                   typeLink.type = this.makeArrayType(typeLink.type);
               }
               if(supplyVar && (typeLink.type == null)) {
                   typeLink.type = this.anyType;
               }
               if(typeLink.ast) {
                   typeLink.ast.type = typeLink.type;
               }
           }
       };
       TypeChecker.prototype.resolveBaseTypeLink = function (typeLink, scope) {
           this.resolvingBases = true;
           this.resolveTypeLink(scope, typeLink, true);
           this.resolvingBases = false;
           var extendsType = null;
           if(typeLink.type.isClass()) {
               extendsType = typeLink.type.instanceType;
           } else {
               extendsType = typeLink.type;
           }
           return extendsType;
       };
       TypeChecker.prototype.findMostApplicableSignature = function (signatures, args) {
           if(signatures.length == 1) {
               return {
                   sig: signatures[0].signature,
                   ambiguous: false
               };
           }
           var best = signatures[0];
           var Q = null;
           var AType = null;
           var PType = null;
           var QType = null;
           var ambiguous = false;
           for(var qSig = 1; qSig < signatures.length; qSig++) {
               Q = signatures[qSig];
               var i = 0;
               for(i = 0; args && i < args.members.length; i++) {
                   AType = args.members[i].type;
                   PType = i < best.signature.parameters.length ? best.signature.parameters[i].getType() : best.signature.parameters[best.signature.parameters.length - 1].getType().elementType;
                   QType = i < Q.signature.parameters.length ? Q.signature.parameters[i].getType() : Q.signature.parameters[Q.signature.parameters.length - 1].getType().elementType;
                   if(this.typesAreIdentical(PType, QType)) {
                       continue;
                   } else {
                       if(this.typesAreIdentical(AType, PType)) {
                           break;
                       } else {
                           if(this.typesAreIdentical(AType, QType)) {
                               best = Q;
                               break;
                           } else {
                               if(this.sourceIsSubtypeOfTarget(PType, QType)) {
                                   break;
                               } else {
                                   if(this.sourceIsSubtypeOfTarget(QType, PType)) {
                                       best = Q;
                                       break;
                                   } else {
                                       if(Q.hadProvisionalErrors) {
                                           break;
                                       } else {
                                           if(best.hadProvisionalErrors) {
                                               best = Q;
                                               break;
                                           }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
               if(!args || i == args.members.length) {
                   var collection = {
                       getLength: function () {
                           return 2;
                       },
                       setTypeAtIndex: function (index, type) {
                       },
                       getTypeAtIndex: function (index) {
                           return index ? Q.signature.returnType.type : best.signature.returnType.type;
                       }
                   };
                   var bct = this.findBestCommonType(best.signature.returnType.type, null, collection, true);
                   ambiguous = !bct;
               } else {
                   ambiguous = false;
               }
           }
           return {
               sig: best.signature,
               ambiguous: ambiguous
           };
       };
       TypeChecker.prototype.getApplicableSignatures = function (signatures, args, comparisonInfo) {
           var applicableSigs = [];
           var memberType = null;
           var miss = false;
           var cxt = null;
           var hadProvisionalErrors = false;
           for(var i = 0; i < signatures.length; i++) {
               miss = false;
               for(var j = 0; j < args.members.length; j++) {
                   if(j >= signatures[i].parameters.length) {
                       continue;
                   }
                   memberType = signatures[i].parameters[j].getType();
                   if(signatures[i].declAST.variableArgList && (j >= signatures[i].nonOptionalParameterCount - 1) && memberType.isArray()) {
                       memberType = memberType.elementType;
                   }
                   if(memberType == this.anyType) {
                       continue;
                   } else {
                       if(args.members[j].nodeType == TypeScript.NodeType.FuncDecl) {
                           if(this.typeFlow.functionInterfaceType && memberType == this.typeFlow.functionInterfaceType) {
                               continue;
                           }
                           if(!this.canContextuallyTypeFunction(memberType, args.members[j], true)) {
                               if(this.canContextuallyTypeFunction(memberType, args.members[j], false)) {
                                   this.typeFlow.typeCheck(args.members[j]);
                                   if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                       break;
                                   }
                               } else {
                                   break;
                               }
                           } else {
                               this.typeCheckWithContextualType(memberType, true, true, args.members[j]);
                               this.cleanStartedPTO();
                               hadProvisionalErrors = this.hadProvisionalErrors();
                               if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                   if(comparisonInfo) {
                                       comparisonInfo.setMessage("Could not apply type '" + memberType.getTypeName() + "' to argument " + (j + 1) + ", which is of type '" + args.members[j].type.getTypeName() + "'");
                                   }
                                   miss = true;
                               }
                               this.resetProvisionalErrors();
                               if(miss) {
                                   break;
                               }
                           }
                       } else {
                           if(args.members[j].nodeType == TypeScript.NodeType.ObjectLit) {
                               if(this.typeFlow.objectInterfaceType && memberType == this.typeFlow.objectInterfaceType) {
                                   continue;
                               }
                               this.typeCheckWithContextualType(memberType, true, true, args.members[j]);
                               this.cleanStartedPTO();
                               hadProvisionalErrors = this.hadProvisionalErrors();
                               if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                   if(comparisonInfo) {
                                       comparisonInfo.setMessage("Could not apply type '" + memberType.getTypeName() + "' to argument " + (j + 1) + ", which is of type '" + args.members[j].type.getTypeName() + "'");
                                   }
                                   miss = true;
                               }
                               this.resetProvisionalErrors();
                               if(miss) {
                                   break;
                               }
                           } else {
                               if(args.members[j].nodeType == TypeScript.NodeType.ArrayLit) {
                                   if(this.typeFlow.arrayInterfaceType && memberType == this.typeFlow.arrayInterfaceType) {
                                       continue;
                                   }
                                   this.typeCheckWithContextualType(memberType, true, true, args.members[j]);
                                   this.cleanStartedPTO();
                                   hadProvisionalErrors = this.hadProvisionalErrors();
                                   if(!this.sourceIsAssignableToTarget(args.members[j].type, memberType, comparisonInfo)) {
                                       if(comparisonInfo) {
                                           comparisonInfo.setMessage("Could not apply type '" + memberType.getTypeName() + "' to argument " + (j + 1) + ", which is of type '" + args.members[j].type.getTypeName() + "'");
                                       }
                                       break;
                                   }
                                   this.resetProvisionalErrors();
                                   if(miss) {
                                       break;
                                   }
                               }
                           }
                       }
                   }
               }
               if(j == args.members.length) {
                   applicableSigs[applicableSigs.length] = {
                       signature: signatures[i],
                       hadProvisionalErrors: hadProvisionalErrors
                   };
               }
               hadProvisionalErrors = false;
           }
           return applicableSigs;
       };
       TypeChecker.prototype.canContextuallyTypeFunction = function (candidateType, funcDecl, beStringent) {
           if(funcDecl.isParenthesized || funcDecl.isMethod() || beStringent && funcDecl.returnTypeAnnotation || funcDecl.isInlineCallLiteral) {
               return false;
           }
           beStringent = beStringent || (this.typeFlow.functionInterfaceType == candidateType);
           if(!beStringent) {
               return true;
           }
           if(!funcDecl.signature) {
               this.createFunctionSignature(funcDecl, this.typeFlow.scope.container, this.typeFlow.scope, null, null);
               this.typeFlow.typeCheck(funcDecl);
           }
           var signature = funcDecl.signature;
           var paramLen = signature.parameters.length;
           for(var i = 0; i < paramLen; i++) {
               var param = signature.parameters[i];
               var symbol = param;
               var argDecl = symbol.declAST;
               if(beStringent && argDecl.typeExpr) {
                   return false;
               }
           }
           if(candidateType.construct && candidateType.call) {
               return false;
           }
           var candidateSigs = candidateType.construct ? candidateType.construct : candidateType.call;
           if(!candidateSigs || candidateSigs.signatures.length > 1) {
               return false;
           }
           return true;
       };
       TypeChecker.prototype.canContextuallyTypeObjectLiteral = function (targetType, objectLit) {
           if(targetType == this.typeFlow.objectInterfaceType) {
               return true;
           }
           var memberDecls = objectLit.operand;
           if(!(memberDecls && targetType.memberScope)) {
               return false;
           }
           var id = null;
           var targetMember = null;
           var text = "";
           var foundSyms = {
           };
           for(var i = 0; i < memberDecls.members.length; i++) {
               id = (memberDecls.members[i]).operand1;
               if(id.nodeType == TypeScript.NodeType.Name) {
                   text = (id).text;
               } else {
                   if(id.nodeType == TypeScript.NodeType.QString) {
                       var idText = (id).text;
                       text = idText.substring(1, idText.length - 1);
                   } else {
                       return false;
                   }
               }
               targetMember = targetType.memberScope.find(text, true, false);
               if(!targetMember) {
                   return false;
               }
               foundSyms[text] = true;
           }
           var targetMembers = targetType.memberScope.getAllValueSymbolNames(true);
           for(var i = 0; i < targetMembers.length; i++) {
               var memberName = targetMembers[i];
               var memberSym = targetType.memberScope.find(memberName, true, false);
               if(!foundSyms[targetMembers[i]] && !TypeScript.hasFlag(memberSym.flags, TypeScript.SymbolFlags.Optional)) {
                   return false;
               }
           }
           return true;
       };
       TypeChecker.prototype.widenType = function (t) {
           if(t == this.undefinedType || t == this.nullType) {
               return this.anyType;
           }
           return t;
       };
       TypeChecker.prototype.isNullOrUndefinedType = function (t) {
           return t == this.undefinedType || t == this.nullType;
       };
       TypeChecker.prototype.findBestCommonType = function (initialType, targetType, collection, acceptVoid, comparisonInfo) {
           var i = 0;
           var len = collection.getLength();
           var nlastChecked = 0;
           var bestCommonType = initialType;
           if(targetType) {
               bestCommonType = bestCommonType ? bestCommonType.mergeOrdered(targetType, this, acceptVoid) : targetType;
           }
           var convergenceType = bestCommonType;
           while(nlastChecked < len) {
               for(i = 0; i < len; i++) {
                   if(i == nlastChecked) {
                       continue;
                   }
                   if(convergenceType && (bestCommonType = convergenceType.mergeOrdered(collection.getTypeAtIndex(i), this, acceptVoid, comparisonInfo))) {
                       convergenceType = bestCommonType;
                   }
                   if(bestCommonType == this.anyType || bestCommonType == null) {
                       break;
                   } else {
                       if(targetType) {
                           collection.setTypeAtIndex(i, targetType);
                       }
                   }
               }
               if(convergenceType && bestCommonType) {
                   break;
               }
               nlastChecked++;
               if(nlastChecked < len) {
                   convergenceType = collection.getTypeAtIndex(nlastChecked);
               }
           }
           return acceptVoid ? bestCommonType : (bestCommonType == this.voidType ? null : bestCommonType);
       };
       TypeChecker.prototype.typesAreIdentical = function (t1, t2) {
           if(t1 == t2) {
               return true;
           }
           if(!t1 || !t2) {
               return false;
           }
           if(t1.isClass() || t1.isClassInstance()) {
               return false;
           }
           var comboId = (t2.typeID << 16) | t1.typeID;
           if(this.identicalCache[comboId]) {
               return true;
           }
           if((t1.typeFlags & TypeScript.TypeFlags.IsEnum) || (t2.typeFlags & TypeScript.TypeFlags.IsEnum)) {
               return false;
           }
           if(t1.isArray() || t2.isArray()) {
               if(!(t1.isArray() && t2.isArray())) {
                   return false;
               }
               this.identicalCache[comboId] = false;
               var ret = this.typesAreIdentical(t1.elementType, t2.elementType);
               if(ret) {
                   this.subtypeCache[comboId] = true;
               } else {
                   this.subtypeCache[comboId] = undefined;
               }
               return ret;
           }
           if(t1.primitiveTypeClass != t2.primitiveTypeClass) {
               return false;
           }
           this.identicalCache[comboId] = false;
           if(t1.memberScope && t2.memberScope) {
               var t1MemberKeys = t1.memberScope.getAllValueSymbolNames(true).sort();
               var t2MemberKeys = t2.memberScope.getAllValueSymbolNames(true).sort();
               if(t1MemberKeys.length != t2MemberKeys.length) {
                   this.identicalCache[comboId] = undefined;
                   return false;
               }
               var t1MemberSymbol = null;
               var t2MemberSymbol = null;
               var t1MemberType = null;
               var t2MemberType = null;
               for(var iMember = 0; iMember < t1MemberKeys.length; iMember++) {
                   if(t1MemberKeys[iMember] != t2MemberKeys[iMember]) {
                       this.identicalCache[comboId] = undefined;
                       return false;
                   }
                   t1MemberSymbol = t1.memberScope.find(t1MemberKeys[iMember], false, false);
                   t2MemberSymbol = t2.memberScope.find(t2MemberKeys[iMember], false, false);
                   if((t1MemberSymbol.flags & TypeScript.SymbolFlags.Optional) != (t2MemberSymbol.flags & TypeScript.SymbolFlags.Optional)) {
                       this.identicalCache[comboId] = undefined;
                       return false;
                   }
                   t1MemberType = t1MemberSymbol.getType();
                   t2MemberType = t2MemberSymbol.getType();
                   if(t1MemberType && t2MemberType && (this.identicalCache[(t2MemberType.typeID << 16) | t1MemberType.typeID] != undefined)) {
                       continue;
                   }
                   if(!this.typesAreIdentical(t1MemberType, t2MemberType)) {
                       this.identicalCache[comboId] = undefined;
                       return false;
                   }
               }
           } else {
               if(t1.memberScope || t2.memberScope) {
                   this.identicalCache[comboId] = undefined;
                   return false;
               }
           }
           if(!this.signatureGroupsAreIdentical(t1.call, t2.call)) {
               this.identicalCache[comboId] = undefined;
               return false;
           }
           if(!this.signatureGroupsAreIdentical(t1.construct, t2.construct)) {
               this.identicalCache[comboId] = undefined;
               return false;
           }
           if(!this.signatureGroupsAreIdentical(t1.index, t2.index)) {
               this.identicalCache[comboId] = undefined;
               return false;
           }
           this.identicalCache[comboId] = true;
           return true;
       };
       TypeChecker.prototype.signatureGroupsAreIdentical = function (sg1, sg2) {
           if(sg1 == sg2) {
               return true;
           }
           if(!sg1 || !sg2) {
               return false;
           }
           if(sg1.signatures.length != sg2.signatures.length) {
               return false;
           }
           var sig1 = null;
           var sig2 = null;
           var sigsMatch = false;
           for(var iSig1 = 0; iSig1 < sg1.signatures.length; iSig1++) {
               sig1 = sg1.signatures[iSig1];
               for(var iSig2 = 0; iSig2 < sg2.signatures.length; iSig2++) {
                   sig2 = sg2.signatures[iSig2];
                   if(this.signaturesAreIdentical(sig1, sig2)) {
                       sigsMatch = true;
                       break;
                   }
               }
               if(sigsMatch) {
                   sigsMatch = false;
                   continue;
               }
               return false;
           }
           return true;
       };
       TypeChecker.prototype.signaturesAreIdentical = function (s1, s2) {
           if(s1.hasVariableArgList != s2.hasVariableArgList) {
               return false;
           }
           if(s1.nonOptionalParameterCount != s2.nonOptionalParameterCount) {
               return false;
           }
           if(s1.parameters.length != s2.parameters.length) {
               return false;
           }
           if(!this.typesAreIdentical(s1.returnType.type, s2.returnType.type)) {
               return false;
           }
           for(var iParam = 0; iParam < s1.parameters.length; iParam++) {
               if(!this.typesAreIdentical(s1.parameters[iParam].parameter.typeLink.type, s2.parameters[iParam].parameter.typeLink.type)) {
                   return false;
               }
           }
           return true;
       };
       TypeChecker.prototype.sourceIsSubtypeOfTarget = function (source, target, comparisonInfo) {
           return this.sourceIsRelatableToTarget(source, target, false, this.subtypeCache, comparisonInfo);
       };
       TypeChecker.prototype.signatureGroupIsSubtypeOfTarget = function (sg1, sg2, comparisonInfo) {
           return this.signatureGroupIsRelatableToTarget(sg1, sg2, false, this.subtypeCache, comparisonInfo);
       };
       TypeChecker.prototype.signatureIsSubtypeOfTarget = function (s1, s2, comparisonInfo) {
           return this.signatureIsRelatableToTarget(s1, s2, false, this.subtypeCache, comparisonInfo);
       };
       TypeChecker.prototype.sourceIsAssignableToTarget = function (source, target, comparisonInfo) {
           return this.sourceIsRelatableToTarget(source, target, true, this.assignableCache, comparisonInfo);
       };
       TypeChecker.prototype.signatureGroupIsAssignableToTarget = function (sg1, sg2, comparisonInfo) {
           return this.signatureGroupIsRelatableToTarget(sg1, sg2, true, this.assignableCache, comparisonInfo);
       };
       TypeChecker.prototype.signatureIsAssignableToTarget = function (s1, s2, comparisonInfo) {
           return this.signatureIsRelatableToTarget(s1, s2, true, this.assignableCache, comparisonInfo);
       };
       TypeChecker.prototype.sourceIsRelatableToTarget = function (source, target, assignableTo, comparisonCache, comparisonInfo) {
           if(source == target) {
               return true;
           }
           if(!(source && target)) {
               return true;
           }
           var comboId = (source.typeID << 16) | target.typeID;
           if(comparisonCache[comboId] != undefined) {
               return true;
           }
           if(assignableTo) {
               if(source == this.anyType || target == this.anyType) {
                   return true;
               }
           } else {
               if(target == this.anyType) {
                   return true;
               }
           }
           if(source == this.undefinedType) {
               return true;
           }
           if((source == this.nullType) && (target != this.undefinedType && target != this.voidType)) {
               return true;
           }
           if(target == this.numberType && (source.typeFlags & TypeScript.TypeFlags.IsEnum)) {
               return true;
           }
           if(source == this.numberType && (target.typeFlags & TypeScript.TypeFlags.IsEnum)) {
               return true;
           }
           if((source.typeFlags & TypeScript.TypeFlags.IsEnum) || (target.typeFlags & TypeScript.TypeFlags.IsEnum)) {
               return false;
           }
           if(source.isArray() || target.isArray()) {
               if(!(source.isArray() && target.isArray())) {
                   return false;
               }
               comparisonCache[comboId] = false;
               var ret = this.sourceIsRelatableToTarget(source.elementType, target.elementType, assignableTo, comparisonCache, comparisonInfo);
               if(ret) {
                   comparisonCache[comboId] = true;
               } else {
                   comparisonCache[comboId] = undefined;
               }
               return ret;
           }
           if(source.primitiveTypeClass != target.primitiveTypeClass) {
               if(target.primitiveTypeClass == TypeScript.Primitive.None) {
                   if(source == this.numberType && this.typeFlow.numberInterfaceType) {
                       source = this.typeFlow.numberInterfaceType;
                   } else {
                       if(source == this.stringType && this.typeFlow.stringInterfaceType) {
                           source = this.typeFlow.stringInterfaceType;
                       } else {
                           if(source == this.booleanType && this.typeFlow.booleanInterfaceType) {
                               source = this.typeFlow.booleanInterfaceType;
                           } else {
                               return false;
                           }
                       }
                   }
               } else {
                   return false;
               }
           }
           comparisonCache[comboId] = false;
           if(source.hasBase(target)) {
               comparisonCache[comboId] = true;
               return true;
           }
           if(this.typeFlow.objectInterfaceType && target == this.typeFlow.objectInterfaceType) {
               return true;
           }
           if(this.typeFlow.functionInterfaceType && (source.call || source.construct) && target == this.typeFlow.functionInterfaceType) {
               return true;
           }
           if(target.isClass() || target.isClassInstance()) {
               comparisonCache[comboId] = undefined;
               return false;
           }
           if(target.memberScope && source.memberScope) {
               var mPropKeys = target.memberScope.getAllValueSymbolNames(true);
               var mProp = null;
               var nProp = null;
               var mPropType = null;
               var nPropType = null;
               var inferenceSymbol = null;
               for(var iMProp = 0; iMProp < mPropKeys.length; iMProp++) {
                   mProp = target.memberScope.find(mPropKeys[iMProp], false, false);
                   nProp = source.memberScope.find(mPropKeys[iMProp], false, false);
                   if(mProp.name == "arguments" && this.typeFlow.iargumentsInterfaceType && (this.typeFlow.iargumentsInterfaceType.symbol.flags & TypeScript.SymbolFlags.CompilerGenerated) && mProp.kind() == TypeScript.SymbolKind.Variable && (mProp).variable.typeLink.type == this.typeFlow.iargumentsInterfaceType) {
                       continue;
                   }
                   if(mProp.isInferenceSymbol()) {
                       inferenceSymbol = mProp;
                       if(inferenceSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                           this.typeFlow.typeCheck(mProp.declAST);
                       }
                   }
                   mPropType = mProp.getType();
                   if(!nProp) {
                       if(this.typeFlow.objectInterfaceType) {
                           nProp = this.typeFlow.objectInterfaceType.memberScope.find(mPropKeys[iMProp], false, false);
                       }
                       if(!nProp) {
                           if(this.typeFlow.functionInterfaceType && (mPropType.call || mPropType.construct)) {
                               nProp = this.typeFlow.functionInterfaceType.memberScope.find(mPropKeys[iMProp], false, false);
                           }
                           if(!nProp) {
                               if(!(mProp.flags & TypeScript.SymbolFlags.Optional)) {
                                   comparisonCache[comboId] = undefined;
                                   if(comparisonInfo) {
                                       comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.RequiredPropertyIsMissing;
                                       comparisonInfo.addMessageToFront("Type '" + source.getTypeName() + "' is missing property '" + mPropKeys[iMProp] + "' from type '" + target.getTypeName() + "'");
                                   }
                                   return false;
                               } else {
                                   continue;
                               }
                           }
                       }
                   }
                   if(nProp.isInferenceSymbol()) {
                       inferenceSymbol = nProp;
                       if(inferenceSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                           this.typeFlow.typeCheck(nProp.declAST);
                       }
                   }
                   nPropType = nProp.getType();
                   if(mPropType && nPropType && (comparisonCache[(nPropType.typeID << 16) | mPropType.typeID] != undefined)) {
                       continue;
                   }
                   if(!this.sourceIsRelatableToTarget(nPropType, mPropType, assignableTo, comparisonCache, comparisonInfo)) {
                       comparisonCache[comboId] = undefined;
                       if(comparisonInfo) {
                           comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatiblePropertyTypes;
                           comparisonInfo.addMessageToFront("Types of property '" + mProp.name + "' of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                       }
                       return false;
                   }
               }
           }
           if(source.call || target.call) {
               if(!this.signatureGroupIsRelatableToTarget(source.call, target.call, assignableTo, comparisonCache, comparisonInfo)) {
                   if(comparisonInfo) {
                       if(source.call && target.call) {
                           comparisonInfo.addMessageToFront("Call signatures of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                       } else {
                           var hasSig = target.call ? target.getTypeName() : source.getTypeName();
                           var lacksSig = !target.call ? target.getTypeName() : source.getTypeName();
                           comparisonInfo.setMessage("Type '" + hasSig + "' requires a call signature, but Type '" + lacksSig + "' lacks one");
                       }
                       comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleSignatures;
                   }
                   comparisonCache[comboId] = undefined;
                   return false;
               }
           }
           if(source.construct || target.construct) {
               if(!this.signatureGroupIsRelatableToTarget(source.construct, target.construct, assignableTo, comparisonCache, comparisonInfo)) {
                   if(comparisonInfo) {
                       if(source.construct && target.construct) {
                           comparisonInfo.addMessageToFront("Construct signatures of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                       } else {
                           var hasSig = target.construct ? target.getTypeName() : source.getTypeName();
                           var lacksSig = !target.construct ? target.getTypeName() : source.getTypeName();
                           comparisonInfo.setMessage("Type '" + hasSig + "' requires a construct signature, but Type '" + lacksSig + "' lacks one");
                       }
                       comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleSignatures;
                   }
                   comparisonCache[comboId] = undefined;
                   return false;
               }
           }
           if(target.index) {
               var targetIndex = !target.index && this.typeFlow.objectInterfaceType ? this.typeFlow.objectInterfaceType.index : target.index;
               var sourceIndex = !source.index && this.typeFlow.objectInterfaceType ? this.typeFlow.objectInterfaceType.index : source.index;
               if(!this.signatureGroupIsRelatableToTarget(sourceIndex, targetIndex, assignableTo, comparisonCache, comparisonInfo)) {
                   if(comparisonInfo) {
                       comparisonInfo.addMessageToFront("Index signatures of types '" + source.getTypeName() + "' and '" + target.getTypeName() + "' are incompatible");
                       comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleSignatures;
                   }
                   comparisonCache[comboId] = undefined;
                   return false;
               }
           }
           comparisonCache[comboId] = true;
           return true;
       };
       TypeChecker.prototype.signatureGroupIsRelatableToTarget = function (sourceSG, targetSG, assignableTo, comparisonCache, comparisonInfo) {
           if(sourceSG == targetSG) {
               return true;
           }
           if(!(sourceSG && targetSG)) {
               return false;
           }
           var mSig = null;
           var nSig = null;
           var foundMatch = false;
           for(var iMSig = 0; iMSig < targetSG.signatures.length; iMSig++) {
               mSig = targetSG.signatures[iMSig];
               for(var iNSig = 0; iNSig < sourceSG.signatures.length; iNSig++) {
                   nSig = sourceSG.signatures[iNSig];
                   if(this.signatureIsRelatableToTarget(nSig, mSig, assignableTo, comparisonCache, comparisonInfo)) {
                       foundMatch = true;
                       break;
                   }
               }
               if(foundMatch) {
                   foundMatch = false;
                   continue;
               }
               return false;
           }
           return true;
       };
       TypeChecker.prototype.signatureIsRelatableToTarget = function (sourceSig, targetSig, assignableTo, comparisonCache, comparisonInfo) {
           if(!sourceSig.parameters || !targetSig.parameters) {
               return false;
           }
           var targetVarArgCount = targetSig.hasVariableArgList ? targetSig.nonOptionalParameterCount - 1 : targetSig.nonOptionalParameterCount;
           var sourceVarArgCount = sourceSig.hasVariableArgList ? sourceSig.nonOptionalParameterCount - 1 : sourceSig.nonOptionalParameterCount;
           if(sourceVarArgCount > targetVarArgCount && !targetSig.hasVariableArgList) {
               if(comparisonInfo) {
                   comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.SourceSignatureHasTooManyParameters;
                   comparisonInfo.addMessageToFront("Call signature expects " + targetVarArgCount + " or fewer parameters");
               }
               return false;
           }
           var sourceReturnType = sourceSig.returnType.type;
           var targetReturnType = targetSig.returnType.type;
           if(targetReturnType != this.voidType) {
               if(!this.sourceIsRelatableToTarget(sourceReturnType, targetReturnType, assignableTo, comparisonCache, comparisonInfo)) {
                   if(comparisonInfo) {
                       comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleReturnTypes;
                   }
                   return false;
               }
           }
           var len = (sourceVarArgCount < targetVarArgCount && sourceSig.hasVariableArgList) ? targetVarArgCount : sourceVarArgCount;
           var sourceParamType = null;
           var targetParamType = null;
           var sourceParamName = "";
           var targetParamName = "";
           for(var iSource = 0, iTarget = 0; iSource < len; iSource++ , iTarget++) {
               if(!sourceSig.hasVariableArgList || iSource < sourceVarArgCount) {
                   sourceParamType = (sourceSig.parameters[iSource]).parameter.typeLink.type;
                   sourceParamName = (sourceSig.parameters[iSource]).parameter.symbol.name;
               } else {
                   if(iSource == sourceVarArgCount) {
                       sourceParamType = (sourceSig.parameters[iSource]).parameter.typeLink.type;
                       if(sourceParamType.elementType) {
                           sourceParamType = sourceParamType.elementType;
                       }
                       sourceParamName = (sourceSig.parameters[iSource]).parameter.symbol.name;
                   }
               }
               if(iTarget < targetSig.parameters.length && iTarget < targetVarArgCount) {
                   targetParamType = (targetSig.parameters[iTarget]).parameter.typeLink.type;
                   targetParamName = (targetSig.parameters[iTarget]).parameter.symbol.name;
               } else {
                   if(targetSig.hasVariableArgList && iTarget == targetVarArgCount) {
                       targetParamType = (targetSig.parameters[iTarget]).parameter.typeLink.type;
                       if(targetParamType.elementType) {
                           targetParamType = targetParamType.elementType;
                       }
                       targetParamName = (targetSig.parameters[iTarget]).parameter.symbol.name;
                   }
               }
               if(!(this.sourceIsRelatableToTarget(sourceParamType, targetParamType, assignableTo, comparisonCache, comparisonInfo) || this.sourceIsRelatableToTarget(targetParamType, sourceParamType, assignableTo, comparisonCache, comparisonInfo))) {
                   if(comparisonInfo) {
                       comparisonInfo.flags |= TypeScript.TypeRelationshipFlags.IncompatibleParameterTypes;
                   }
                   return false;
               }
           }
           return true;
       };
       return TypeChecker;
   })();
   TypeScript.TypeChecker = TypeChecker;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var Continuation = (function () {
       function Continuation(normalBlock) {
           this.normalBlock = normalBlock;
           this.exceptionBlock = -1;
       }
       return Continuation;
   })();
   TypeScript.Continuation = Continuation;    
   function getBaseTypeLinks(bases, baseTypeLinks) {
       if(bases) {
           var len = bases.members.length;
           if(baseTypeLinks == null) {
               baseTypeLinks = new Array();
           }
           for(var i = 0; i < len; i++) {
               var baseExpr = bases.members[i];
               var name = baseExpr;
               var typeLink = new TypeScript.TypeLink();
               typeLink.ast = name;
               baseTypeLinks[baseTypeLinks.length] = typeLink;
           }
       }
       return baseTypeLinks;
   }
   function getBases(type, typeDecl) {
       type.extendsTypeLinks = getBaseTypeLinks(typeDecl.extendsList, type.extendsTypeLinks);
       type.implementsTypeLinks = getBaseTypeLinks(typeDecl.implementsList, type.implementsTypeLinks);
   }
   function addPrototypeField(classType, ast, context) {
       var field = new TypeScript.ValueLocation();
       field.typeLink = new TypeScript.TypeLink();
       field.typeLink.ast = ast;
       field.typeLink.type = classType.instanceType;
       var fieldSymbol = new TypeScript.FieldSymbol("prototype", ast.minChar, context.checker.locationInfo.unitIndex, true, field);
       fieldSymbol.flags |= (TypeScript.SymbolFlags.Property | TypeScript.SymbolFlags.BuiltIn);
       field.symbol = fieldSymbol;
       fieldSymbol.declAST = ast;
       classType.members.addPublicMember("prototype", fieldSymbol);
   }
   function createNewConstructGroupForType(type) {
       var signature = new TypeScript.Signature();
       signature.returnType = new TypeScript.TypeLink();
       signature.returnType.type = type.instanceType;
       signature.parameters = [];
       type.construct = new TypeScript.SignatureGroup();
       type.construct.addSignature(signature);
   }
   TypeScript.createNewConstructGroupForType = createNewConstructGroupForType;
   function cloneParentConstructGroupForChildType(child, parent) {
       child.construct = new TypeScript.SignatureGroup();
       var sig = null;
       if(!parent.construct) {
           createNewConstructGroupForType(parent);
       }
       for(var i = 0; i < parent.construct.signatures.length; i++) {
           sig = new TypeScript.Signature();
           sig.parameters = parent.construct.signatures[i].parameters;
           sig.nonOptionalParameterCount = parent.construct.signatures[i].nonOptionalParameterCount;
           sig.typeCheckStatus = parent.construct.signatures[i].typeCheckStatus;
           sig.declAST = parent.construct.signatures[i].declAST;
           sig.returnType = new TypeScript.TypeLink();
           sig.returnType.type = child.instanceType;
           child.construct.addSignature(sig);
       }
   }
   TypeScript.cloneParentConstructGroupForChildType = cloneParentConstructGroupForChildType;
   TypeScript.globalId = "__GLO";
   function findTypeSymbolInScopeChain(name, scopeChain) {
       var symbol = scopeChain.scope.find(name, false, true);
       if(symbol == null && scopeChain.previous) {
           symbol = findTypeSymbolInScopeChain(name, scopeChain.previous);
       }
       return symbol;
   }
   function findSymbolFromAlias(alias, context) {
       var symbol = null;
       switch(alias.nodeType) {
           case TypeScript.NodeType.Name: {
               var name = (alias).text;
               var isDynamic = TypeScript.isQuoted(name);
               var findSym = function (id) {
                   if(context.members) {
                       return context.members.lookup(name);
                   } else {
                       return findTypeSymbolInScopeChain(name, context.topLevelScope);
                   }
               };
               if(isDynamic) {
                   symbol = context.tcContext.checker.findSymbolForDynamicModule(name, context.tcContext.script.locationInfo.filename, findSym);
               } else {
                   symbol = findSym(name);
               }
               break;

           }
           case TypeScript.NodeType.Dot: {
               var dottedExpr = alias;
               var op1Sym = findSymbolFromAlias(dottedExpr.operand1, context);
               if(op1Sym && op1Sym.getType()) {
                   symbol = findSymbolFromAlias(dottedExpr.operand2, context);
               }
               break;

           }
           default: {
               break;

           }
       }
       if(symbol) {
           var symType = symbol.getType();
           if(symType) {
               var members = symType.members;
               if(members) {
                   context.members = members.publicMembers;
               }
           }
       }
       return symbol;
   }
   function preCollectImportTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       var typeSymbol = null;
       var modType = null;
       var importDecl = ast;
       var aliasedModSymbol = findSymbolFromAlias(importDecl.alias, {
           topLevelScope: scopeChain,
           members: null,
           tcContext: context
       });
       var isGlobal = context.scopeChain.container == context.checker.gloMod;
       if(aliasedModSymbol) {
           var aliasedModType = aliasedModSymbol.getType();
           if(aliasedModType) {
               modType = aliasedModType;
           }
       }
       typeSymbol = new TypeScript.TypeSymbol(importDecl.id.text, importDecl.id.minChar, importDecl.limChar - importDecl.minChar, context.checker.locationInfo.unitIndex, modType);
       typeSymbol.aliasLink = importDecl;
       if(context.scopeChain.moduleDecl) {
           typeSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
           typeSymbol.declModule = context.scopeChain.moduleDecl;
       }
       typeSymbol.declAST = importDecl;
       importDecl.id.sym = typeSymbol;
       scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isGlobal, true, false);
       scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isGlobal, false, false);
       return true;
   }
   TypeScript.preCollectImportTypes = preCollectImportTypes;
   function preCollectModuleTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       var moduleDecl = ast;
       var isAmbient = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Ambient);
       var isEnum = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsEnum);
       var isGlobal = context.scopeChain.container == context.checker.gloMod;
       var isExported = TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.Exported);
       var modName = (moduleDecl.name).text;
       var isDynamic = TypeScript.isQuoted(modName);
       var symbol = scopeChain.scope.findLocal(modName, false, false);
       var typeSymbol = null;
       var modType = null;
       if((symbol == null) || (symbol.kind() != TypeScript.SymbolKind.Type)) {
           if(modType == null) {
               var enclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               var ambientEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               modType = new TypeScript.ModuleType(enclosedTypes, ambientEnclosedTypes);
               if(isEnum) {
                   modType.typeFlags |= TypeScript.TypeFlags.IsEnum;
               }
               modType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               modType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               modType.setHasImplementation();
           }
           typeSymbol = new TypeScript.TypeSymbol(modName, moduleDecl.name.minChar, modName.length, context.checker.locationInfo.unitIndex, modType);
           typeSymbol.isDynamic = TypeScript.isQuoted(moduleDecl.prettyName);
           if(context.scopeChain.moduleDecl) {
               typeSymbol.declModule = context.scopeChain.moduleDecl;
           }
           typeSymbol.declAST = moduleDecl;
           typeSymbol.prettyName = moduleDecl.prettyName;
           scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, isAmbient);
           scopeChain.scope.enter(scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, false, isAmbient);
           modType.symbol = typeSymbol;
       } else {
           if(symbol && symbol.declAST && symbol.declAST.nodeType != TypeScript.NodeType.ModuleDeclaration) {
               context.checker.errorReporter.simpleError(moduleDecl, "Conflicting symbol name for module '" + modName + "'");
           }
           typeSymbol = symbol;
           var publicEnclosedTypes = typeSymbol.type.getAllEnclosedTypes().publicMembers;
           var publicEnclosedTypesTable = (publicEnclosedTypes == null) ? new TypeScript.StringHashTable() : publicEnclosedTypes;
           var enclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicEnclosedTypesTable, new TypeScript.StringHashTable()));
           var publicEnclosedAmbientTypes = typeSymbol.type.getAllAmbientEnclosedTypes().publicMembers;
           var publicAmbientEnclosedTypesTable = (publicEnclosedAmbientTypes == null) ? new TypeScript.StringHashTable() : publicEnclosedAmbientTypes;
           var ambientEnclosedTypes = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicAmbientEnclosedTypesTable, new TypeScript.StringHashTable()));
           var publicMembers = typeSymbol.type.members.publicMembers;
           var publicMembersTable = (publicMembers == null) ? new TypeScript.StringHashTable() : publicMembers;
           var members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicMembersTable, new TypeScript.StringHashTable()));
           var publicAmbientMembers = typeSymbol.type.ambientMembers.publicMembers;
           var publicAmbientMembersTable = (publicAmbientMembers == null) ? new TypeScript.StringHashTable() : publicAmbientMembers;
           var ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(publicAmbientMembersTable, new TypeScript.StringHashTable()));
           modType = new TypeScript.ModuleType(enclosedTypes, ambientEnclosedTypes);
           if(isEnum) {
               modType.typeFlags |= TypeScript.TypeFlags.IsEnum;
           }
           modType.members = members;
           modType.ambientMembers = ambientMembers;
           modType.setHasImplementation();
           modType.symbol = typeSymbol;
           typeSymbol.addLocation(moduleDecl.minChar);
           typeSymbol.expansions.push(modType);
           typeSymbol.expansionsDeclAST.push(moduleDecl);
       }
       if(context.scopeChain.moduleDecl) {
           context.scopeChain.moduleDecl.recordNonInterface();
       }
       if(isExported) {
           typeSymbol.flags |= TypeScript.SymbolFlags.Exported;
       }
       if((context.scopeChain.moduleDecl) || (context.scopeChain.container == context.checker.gloMod)) {
           typeSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
       }
       moduleDecl.mod = modType;
       TypeScript.pushTypeCollectionScope(typeSymbol, modType.members, modType.ambientMembers, modType.enclosedTypes, modType.ambientEnclosedTypes, context, null, null, moduleDecl);
       return true;
   }
   TypeScript.preCollectModuleTypes = preCollectModuleTypes;
   function preCollectClassTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       var classDecl = ast;
       var classType;
       var instanceType;
       var typeSymbol = null;
       var className = (classDecl.name).text;
       var alreadyInScope = false;
       var isAmbient = TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Ambient);
       var isExported = TypeScript.hasFlag(classDecl.varFlags, TypeScript.VarFlags.Exported);
       var isGlobal = context.scopeChain.container == context.checker.gloMod;
       var containerMod = scopeChain.container;
       var foundValSymbol = false;
       typeSymbol = scopeChain.scope.findLocal(className, false, true);
       if(!typeSymbol) {
           var valTypeSymbol = scopeChain.scope.findLocal(className, false, false);
           if(valTypeSymbol && valTypeSymbol.isType() && valTypeSymbol.declAST && valTypeSymbol.declAST.nodeType == TypeScript.NodeType.FuncDecl && (valTypeSymbol.declAST).isSignature()) {
               typeSymbol = valTypeSymbol;
               foundValSymbol = true;
               if(isExported) {
                   typeSymbol.flags |= TypeScript.SymbolFlags.Exported;
               }
               if(isAmbient) {
                   typeSymbol.flags |= TypeScript.SymbolFlags.Ambient;
               }
               context.scopeChain.scope.enter(context.scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, isAmbient);
           }
       }
       if(typeSymbol && !foundValSymbol && (typeSymbol.declAST != classDecl)) {
           typeSymbol = null;
       }
       if(typeSymbol == null) {
           var valueSymbol = scopeChain.scope.findLocal(className, false, false);
           classType = new TypeScript.Type();
           classType.setHasImplementation();
           instanceType = new TypeScript.Type();
           instanceType.setHasImplementation();
           classType.instanceType = instanceType;
           classType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           classType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           addPrototypeField(classType, classDecl, context);
           instanceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           instanceType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           typeSymbol = new TypeScript.TypeSymbol(className, classDecl.name.minChar, className.length, context.checker.locationInfo.unitIndex, classType);
           typeSymbol.declAST = classDecl;
           typeSymbol.instanceType = instanceType;
           classType.symbol = typeSymbol;
           instanceType.symbol = typeSymbol;
           if(context.scopeChain.moduleDecl) {
               context.scopeChain.moduleDecl.recordNonInterface();
               typeSymbol.declModule = context.scopeChain.moduleDecl;
               typeSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
           }
           if(isExported) {
               typeSymbol.flags |= TypeScript.SymbolFlags.Exported;
           }
           if(isAmbient) {
               typeSymbol.flags |= TypeScript.SymbolFlags.Ambient;
           }
           ast.type = classType;
           context.scopeChain.scope.enter(context.scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, true, isAmbient);
           if(valueSymbol == null) {
               context.scopeChain.scope.enter(context.scopeChain.container, ast, typeSymbol, context.checker.errorReporter, isExported || isGlobal, false, isAmbient);
           }
       } else {
           classType = typeSymbol.type;
           if(classType.instanceType == null) {
               classType.instanceType = new TypeScript.Type();
               classType.instanceType.setHasImplementation();
               classType.instanceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               classType.instanceType.symbol = classType.symbol;
               classType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
               classType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           }
           instanceType = classType.instanceType;
           ast.type = classType;
       }
       if(!classDecl.constructorDecl) {
           if(typeSymbol && typeSymbol.declAST && typeSymbol.declAST.type && typeSymbol.declAST.type.call && !(typeSymbol.declAST).isOverload) {
               context.checker.errorReporter.duplicateIdentifier(typeSymbol.declAST, typeSymbol.name);
           }
           createNewConstructGroupForType(classDecl.type);
       }
       classType.typeFlags |= TypeScript.TypeFlags.IsClass;
       instanceType.typeFlags |= TypeScript.TypeFlags.IsClass;
       getBases(instanceType, classDecl);
       TypeScript.pushTypeCollectionScope(typeSymbol, instanceType.members, instanceType.ambientMembers, null, null, context, instanceType, classType, null);
       return true;
   }
   TypeScript.preCollectClassTypes = preCollectClassTypes;
   function preCollectInterfaceTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       var interfaceDecl = ast;
       var interfaceSymbol = null;
       var interfaceType = null;
       var isExported = TypeScript.hasFlag(interfaceDecl.varFlags, TypeScript.VarFlags.Exported);
       var isGlobal = context.scopeChain.container == context.checker.gloMod;
       var alreadyInScope = true;
       alreadyInScope = false;
       var interfaceName = (interfaceDecl.name).text;
       interfaceSymbol = scopeChain.scope.findLocal(interfaceName, false, true);
       if(interfaceSymbol == null) {
           interfaceType = new TypeScript.Type();
           interfaceSymbol = new TypeScript.TypeSymbol(interfaceName, interfaceDecl.name.minChar, interfaceName.length, context.checker.locationInfo.unitIndex, interfaceType);
           interfaceType.symbol = interfaceSymbol;
           interfaceType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           interfaceType.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           interfaceSymbol.declAST = interfaceDecl;
           interfaceSymbol.declModule = context.scopeChain.moduleDecl;
       } else {
           alreadyInScope = true;
           interfaceType = interfaceSymbol.type;
       }
       if(!interfaceType) {
           interfaceType = context.checker.anyType;
       }
       ast.type = interfaceType;
       getBases(interfaceType, interfaceDecl);
       if(isExported) {
           interfaceSymbol.flags |= TypeScript.SymbolFlags.Exported;
       }
       if(context.scopeChain.moduleDecl) {
           interfaceSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
       }
       if(!alreadyInScope) {
           context.scopeChain.scope.enter(context.scopeChain.container, ast, interfaceSymbol, context.checker.errorReporter, isGlobal || isExported, true, false);
       }
       TypeScript.pushTypeCollectionScope(interfaceSymbol, interfaceType.members, interfaceType.ambientMembers, null, null, context, interfaceType, null, null);
       return true;
   }
   TypeScript.preCollectInterfaceTypes = preCollectInterfaceTypes;
   function preCollectArgDeclTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       var argDecl = ast;
       if(TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Public | TypeScript.VarFlags.Private)) {
           var field = new TypeScript.ValueLocation();
           var isPrivate = TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Private);
           var fieldSymbol = new TypeScript.FieldSymbol(argDecl.id.text, argDecl.id.minChar, context.checker.locationInfo.unitIndex, !TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Readonly), field);
           fieldSymbol.transferVarFlags(argDecl.varFlags);
           field.symbol = fieldSymbol;
           fieldSymbol.declAST = ast;
           argDecl.parameterPropertySym = fieldSymbol;
           context.scopeChain.scope.enter(context.scopeChain.container, ast, fieldSymbol, context.checker.errorReporter, !isPrivate, false, false);
           field.typeLink = TypeScript.getTypeLink(argDecl.typeExpr, context.checker, argDecl.init == null);
           argDecl.sym = fieldSymbol;
       }
       return false;
   }
   TypeScript.preCollectArgDeclTypes = preCollectArgDeclTypes;
   function preCollectVarDeclTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       var varDecl = ast;
       var isAmbient = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Ambient);
       var isExported = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Exported);
       var isGlobal = context.scopeChain.container == context.checker.gloMod;
       var isProperty = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property);
       var isStatic = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Static);
       var isPrivate = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Private);
       var isOptional = TypeScript.hasFlag(varDecl.id.flags, TypeScript.ASTFlags.OptionalName);
       if(context.scopeChain.moduleDecl) {
           context.scopeChain.moduleDecl.recordNonInterface();
       }
       if(isProperty || isExported || (context.scopeChain.container == context.checker.gloMod) || context.scopeChain.moduleDecl) {
           if(isAmbient) {
               var existingSym = scopeChain.scope.findLocal(varDecl.id.text, false, false);
               if(existingSym) {
                   varDecl.sym = existingSym;
                   return false;
               }
           }
           if(varDecl.id == null) {
               context.checker.errorReporter.simpleError(varDecl, "Expected variable identifier at this location");
               return false;
           }
           var field = new TypeScript.ValueLocation();
           var fieldSymbol = new TypeScript.FieldSymbol(varDecl.id.text, varDecl.id.minChar, context.checker.locationInfo.unitIndex, (varDecl.varFlags & TypeScript.VarFlags.Readonly) == TypeScript.VarFlags.None, field);
           fieldSymbol.transferVarFlags(varDecl.varFlags);
           if(isOptional) {
               fieldSymbol.flags |= TypeScript.SymbolFlags.Optional;
           }
           field.symbol = fieldSymbol;
           fieldSymbol.declAST = ast;
           if((context.scopeChain.moduleDecl) || (context.scopeChain.container == context.checker.gloMod)) {
               fieldSymbol.flags |= TypeScript.SymbolFlags.ModuleMember;
               fieldSymbol.declModule = context.scopeChain.moduleDecl;
           }
           if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property) && isStatic && context.scopeChain.classType) {
               if(!context.scopeChain.classType.members.publicMembers.add(varDecl.id.text, fieldSymbol)) {
                   context.checker.errorReporter.duplicateIdentifier(ast, fieldSymbol.name);
               }
               fieldSymbol.container = context.scopeChain.classType.symbol;
           } else {
               context.scopeChain.scope.enter(context.scopeChain.container, ast, fieldSymbol, context.checker.errorReporter, !isPrivate && (isProperty || isExported || isGlobal || isStatic), false, isAmbient);
           }
           if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Exported)) {
               fieldSymbol.flags |= TypeScript.SymbolFlags.Exported;
           }
           field.typeLink = TypeScript.getTypeLink(varDecl.typeExpr, context.checker, varDecl.init == null);
           varDecl.sym = fieldSymbol;
       }
       return false;
   }
   TypeScript.preCollectVarDeclTypes = preCollectVarDeclTypes;
   function preCollectFuncDeclTypes(ast, parent, context) {
       var scopeChain = context.scopeChain;
       if(context.scopeChain.moduleDecl) {
           context.scopeChain.moduleDecl.recordNonInterface();
       }
       var funcDecl = ast;
       var fgSym = null;
       var nameText = funcDecl.getNameText();
       var isExported = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Exported | TypeScript.FncFlags.ClassPropertyMethodExported);
       var isStatic = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static);
       var isPrivate = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private);
       var isConstructor = funcDecl.isConstructMember() || funcDecl.isConstructor;
       var containerSym = (((funcDecl.isMethod() && isStatic) || funcDecl.isAccessor()) && context.scopeChain.classType ? context.scopeChain.classType.symbol : context.scopeChain.container);
       var containerScope = context.scopeChain.scope;
       var isGlobal = containerSym == context.checker.gloMod;
       var isOptional = funcDecl.name && TypeScript.hasFlag(funcDecl.name.flags, TypeScript.ASTFlags.OptionalName);
       var go = false;
       var foundSymbol = false;
       if(isConstructor && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
           containerSym = containerSym.container;
           containerScope = scopeChain.previous.scope;
       }
       funcDecl.unitIndex = context.checker.locationInfo.unitIndex;
       if(!funcDecl.isConstructor && containerSym && containerSym.declAST && containerSym.declAST.nodeType == TypeScript.NodeType.FuncDecl && (containerSym.declAST).isConstructor && !funcDecl.isMethod()) {
           return go;
       }
       if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Signature)) {
           var instType = context.scopeChain.thisType;
           if(nameText && nameText != "__missing") {
               if(isStatic) {
                   fgSym = containerSym.type.members.allMembers.lookup(nameText);
               } else {
                   fgSym = containerScope.findLocal(nameText, false, false);
                   if(fgSym == null) {
                       fgSym = containerScope.findLocal(nameText, false, true);
                   }
               }
               if(fgSym) {
                   foundSymbol = true;
                   if(!funcDecl.isSignature() && (TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Ambient) != TypeScript.hasFlag(fgSym.flags, TypeScript.SymbolFlags.Ambient))) {
                       fgSym = null;
                   }
               }
           }
           if(fgSym == null) {
               if(!(funcDecl.isSpecialFn())) {
                   fgSym = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, null, !foundSymbol).declAST.type.symbol;
               } else {
                   fgSym = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, containerSym, false).declAST.type.symbol;
               }
               if(fgSym.declAST == null || !funcDecl.isSpecialFn()) {
                   fgSym.declAST = ast;
               }
           } else {
               if((fgSym.kind() == TypeScript.SymbolKind.Type)) {
                   fgSym = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, fgSym, false).declAST.type.symbol;
               } else {
                   context.checker.errorReporter.simpleError(funcDecl, "Function or method '" + funcDecl.name.actualText + "' already declared as a property");
               }
           }
           if(funcDecl.isSpecialFn() && !isStatic) {
               funcDecl.type = instType ? instType : fgSym.type;
           } else {
               funcDecl.type = fgSym.type;
           }
       } else {
           if(nameText) {
               if(isStatic) {
                   fgSym = containerSym.type.members.allMembers.lookup(nameText);
               } else {
                   if(funcDecl.isConstructor && context.scopeChain.previous) {
                       fgSym = context.scopeChain.previous.scope.findLocal(nameText, false, false);
                   }
                   if(fgSym == null) {
                       fgSym = containerScope.findLocal(nameText, false, false);
                   }
               }
               if(fgSym) {
                   foundSymbol = true;
                   if(!isConstructor && fgSym.declAST.nodeType == TypeScript.NodeType.FuncDecl && !(fgSym.declAST).isAccessor() && !(fgSym.declAST).isSignature()) {
                       fgSym = null;
                       foundSymbol = false;
                   }
               }
           }
           if(fgSym && !fgSym.isAccessor() && fgSym.type && fgSym.type.construct && fgSym.type.construct.signatures != [] && (fgSym.type.construct.signatures[0].declAST == null || !TypeScript.hasFlag(fgSym.type.construct.signatures[0].declAST.fncFlags, TypeScript.FncFlags.Ambient)) && !funcDecl.isConstructor) {
               context.checker.errorReporter.simpleError(funcDecl, "Functions may not have class overloads");
           }
           if(fgSym && !(fgSym.kind() == TypeScript.SymbolKind.Type) && funcDecl.isMethod() && !funcDecl.isAccessor() && !funcDecl.isConstructor) {
               context.checker.errorReporter.simpleError(funcDecl, "Function or method '" + funcDecl.name.actualText + "' already declared as a property");
               fgSym.type = context.checker.anyType;
           }
           var sig = context.checker.createFunctionSignature(funcDecl, containerSym, containerScope, fgSym, !foundSymbol);
           if(((!fgSym || fgSym.declAST.nodeType != TypeScript.NodeType.FuncDecl) && funcDecl.isAccessor()) || (fgSym && fgSym.isAccessor())) {
               funcDecl.accessorSymbol = context.checker.createAccessorSymbol(funcDecl, fgSym, containerSym.type, (funcDecl.isMethod() && isStatic), true, containerScope, containerSym);
           }
           funcDecl.type.symbol.declAST = ast;
           if(funcDecl.isConstructor) {
               go = true;
           }
           ; ;
       }
       if(isExported) {
           if(funcDecl.type.call) {
               funcDecl.type.symbol.flags |= TypeScript.SymbolFlags.Exported;
           }
           if(fgSym && !fgSym.isAccessor() && fgSym.kind() == TypeScript.SymbolKind.Type && fgSym.type.call) {
               fgSym.flags |= TypeScript.SymbolFlags.Exported;
           }
       }
       if(context.scopeChain.moduleDecl && !funcDecl.isSpecialFn()) {
           funcDecl.type.symbol.flags |= TypeScript.SymbolFlags.ModuleMember;
           funcDecl.type.symbol.declModule = context.scopeChain.moduleDecl;
       }
       if(fgSym && isOptional) {
           fgSym.flags |= TypeScript.SymbolFlags.Optional;
       }
       return go;
   }
   TypeScript.preCollectFuncDeclTypes = preCollectFuncDeclTypes;
   function preCollectTypes(ast, parent, walker) {
       var context = walker.state;
       var go = false;
       var scopeChain = context.scopeChain;
       if(ast.nodeType == TypeScript.NodeType.Script) {
           var script = ast;
           context.script = script;
           go = true;
       } else {
           if(ast.nodeType == TypeScript.NodeType.List) {
               go = true;
           } else {
               if(ast.nodeType == TypeScript.NodeType.ImportDeclaration) {
                   go = preCollectImportTypes(ast, parent, context);
               } else {
                   if(ast.nodeType == TypeScript.NodeType.With) {
                       go = false;
                   } else {
                       if(ast.nodeType == TypeScript.NodeType.ModuleDeclaration) {
                           go = preCollectModuleTypes(ast, parent, context);
                       } else {
                           if(ast.nodeType == TypeScript.NodeType.ClassDeclaration) {
                               go = preCollectClassTypes(ast, parent, context);
                           } else {
                               if(ast.nodeType == TypeScript.NodeType.Block) {
                                   go = true;
                               } else {
                                   if(ast.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                                       go = preCollectInterfaceTypes(ast, parent, context);
                                   } else {
                                       if(ast.nodeType == TypeScript.NodeType.ArgDecl) {
                                           go = preCollectArgDeclTypes(ast, parent, context);
                                       } else {
                                           if(ast.nodeType == TypeScript.NodeType.VarDecl) {
                                               go = preCollectVarDeclTypes(ast, parent, context);
                                           } else {
                                               if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                                   go = preCollectFuncDeclTypes(ast, parent, context);
                                               } else {
                                                   if(ast.isStatementOrExpression() && context.scopeChain.moduleDecl) {
                                                       context.scopeChain.moduleDecl.recordNonInterface();
                                                   }
                                               }
                                           }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
           }
       }
       walker.options.goChildren = go;
       return ast;
   }
   TypeScript.preCollectTypes = preCollectTypes;
   function postCollectTypes(ast, parent, walker) {
       var context = walker.state;
       if(ast.nodeType == TypeScript.NodeType.ModuleDeclaration) {
           TypeScript.popTypeCollectionScope(context);
       } else {
           if(ast.nodeType == TypeScript.NodeType.ClassDeclaration) {
               TypeScript.popTypeCollectionScope(context);
           } else {
               if(ast.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                   TypeScript.popTypeCollectionScope(context);
               }
           }
       }
       return ast;
   }
   TypeScript.postCollectTypes = postCollectTypes;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var ScopeChain = (function () {
       function ScopeChain(container, previous, scope) {
           this.container = container;
           this.previous = previous;
           this.scope = scope;
       }
       return ScopeChain;
   })();
   TypeScript.ScopeChain = ScopeChain;    
   var BBUseDefInfo = (function () {
       function BBUseDefInfo(bb) {
           this.bb = bb;
           this.defsBySymbol = new Array();
           this.useIndexBySymbol = new Array();
       }
       BBUseDefInfo.prototype.updateTop = function () {
           var temp = new BitVector(this.top.bitCount);
           for(var i = 0, succLen = this.bb.successors.length; i < succLen; i++) {
               var succ = this.bb.successors[i];
               if(succ.useDef) {
                   temp.union(succ.useDef.top);
               }
           }
           temp.difference(this.kill);
           temp.union(this.gen);
           var changed = temp.notEq(this.top);
           this.top = temp;
           return changed;
       };
       BBUseDefInfo.prototype.initialize = function (useDefContext) {
           var _this = this;
           var defSym = function (sym, context) {
               if(context.isLocalSym(sym)) {
                   var index = context.getSymbolIndex(sym);
                   _this.useIndexBySymbol[index] = new Array();
                   _this.defsBySymbol[index] = true;
               }
           };
           var useSym = function (sym, context, ast) {
               if(context.isLocalSym(sym)) {
                   var symIndex = context.getSymbolIndex(sym);
                   if(_this.useIndexBySymbol[symIndex] == undefined) {
                       _this.useIndexBySymbol[symIndex] = new Array();
                   }
                   var symUses = _this.useIndexBySymbol[symIndex];
                   var astIndex = context.getUseIndex(ast);
                   context.addUse(symIndex, astIndex);
                   symUses.push(astIndex);
               }
           };
           function initUseDefPre(cur, parent, walker) {
               var context = walker.state;
               if(cur == null) {
                   cur = null;
               }
               if(cur.nodeType == TypeScript.NodeType.VarDecl) {
                   var varDecl = cur;
                   if(varDecl.init || TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.AutoInit)) {
                       defSym(varDecl.sym, context);
                   }
               } else {
                   if(cur.nodeType == TypeScript.NodeType.Name) {
                       if(parent) {
                           if(parent.nodeType == TypeScript.NodeType.Asg) {
                               var asg = parent;
                               if(asg.operand1 == cur) {
                                   return cur;
                               }
                           } else {
                               if(parent.nodeType == TypeScript.NodeType.VarDecl) {
                                   var parentDecl = parent;
                                   if(parentDecl.id == cur) {
                                       return cur;
                                   }
                               }
                           }
                       }
                       var id = cur;
                       useSym(id.sym, context, cur);
                   } else {
                       if((cur.nodeType >= TypeScript.NodeType.Asg) && (cur.nodeType <= TypeScript.NodeType.LastAsg)) {
                           var asg = cur;
                           if(asg.operand1 && (asg.operand1.nodeType == TypeScript.NodeType.Name)) {
                               var id = asg.operand1;
                               defSym(id.sym, context);
                           }
                       } else {
                           if(cur.nodeType == TypeScript.NodeType.FuncDecl) {
                               walker.options.goChildren = false;
                           }
                       }
                   }
               }
               return cur;
           }
           var options = new TypeScript.AstWalkOptions();
           options.reverseSiblings = true;
           TypeScript.getAstWalkerFactory().walk(this.bb.content, initUseDefPre, null, options, useDefContext);
       };
       BBUseDefInfo.prototype.initializeGen = function (useDefContext) {
           var symbolLen = this.useIndexBySymbol.length;
           var bitCount = useDefContext.uses.length;
           this.gen = new BitVector(bitCount);
           for(var s = 0; s < symbolLen; s++) {
               var symUses = this.useIndexBySymbol[s];
               if((symUses != undefined) && (symUses.length > 0)) {
                   for(var u = 0, uLen = symUses.length; u < uLen; u++) {
                       this.gen.set(symUses[u], true);
                   }
               }
           }
           this.top = this.gen;
       };
       BBUseDefInfo.prototype.initializeKill = function (useDefContext) {
           this.kill = new BitVector(this.gen.bitCount);
           for(var s = 0, symbolLen = this.defsBySymbol.length; s < symbolLen; s++) {
               if(this.defsBySymbol[s]) {
                   var globalSymUses = useDefContext.useIndexBySymbol[s];
                   if(globalSymUses) {
                       for(var u = 0, useLen = globalSymUses.length; u < useLen; u++) {
                           this.kill.set(globalSymUses[u], true);
                       }
                   }
               }
           }
       };
       return BBUseDefInfo;
   })();
   TypeScript.BBUseDefInfo = BBUseDefInfo;    
   var UseDefContext = (function () {
       function UseDefContext() {
           this.useIndexBySymbol = new Array();
           this.uses = new Array();
           this.symbols = new Array();
           this.symbolMap = new TypeScript.StringHashTable();
           this.symbolCount = 0;
       }
       UseDefContext.prototype.getSymbolIndex = function (sym) {
           var name = sym.name;
           var index = (this.symbolMap.lookup(name));
           if(index == null) {
               index = this.symbolCount++;
               this.symbols[index] = sym;
               this.symbolMap.add(name, index);
           }
           return index;
       };
       UseDefContext.prototype.addUse = function (symIndex, astIndex) {
           var useBySym = this.useIndexBySymbol[symIndex];
           if(useBySym == undefined) {
               useBySym = new Array();
               this.useIndexBySymbol[symIndex] = useBySym;
           }
           useBySym[useBySym.length] = astIndex;
       };
       UseDefContext.prototype.getUseIndex = function (ast) {
           this.uses[this.uses.length] = ast;
           return this.uses.length - 1;
       };
       UseDefContext.prototype.isLocalSym = function (sym) {
           return (sym && (sym.container == this.func) && (sym.kind() == TypeScript.SymbolKind.Variable));
       };
       UseDefContext.prototype.killSymbol = function (sym, bbUses) {
           var index = this.symbolMap.lookup(sym.name);
           var usesOfSym = this.useIndexBySymbol[index];
           for(var k = 0, len = usesOfSym.length; k < len; k++) {
               bbUses.set(usesOfSym[k], true);
           }
       };
       return UseDefContext;
   })();
   TypeScript.UseDefContext = UseDefContext;    
   var BitVector = (function () {
       function BitVector(bitCount) {
           this.bitCount = bitCount;
           this.firstBits = 0;
           this.restOfBits = null;
           if(this.bitCount > BitVector.packBits) {
               this.restOfBits = new Array();
               var len = Math.floor(this.bitCount / BitVector.packBits);
               for(var i = 0; i < len; i++) {
                   this.restOfBits[i] = 0;
               }
           }
       }
       BitVector.packBits = 30;
       BitVector.prototype.set = function (bitIndex, value) {
           if(bitIndex < BitVector.packBits) {
               if(value) {
                   this.firstBits |= (1 << bitIndex);
               } else {
                   this.firstBits &= (~(1 << bitIndex));
               }
           } else {
               var offset = Math.floor(bitIndex / BitVector.packBits) - 1;
               var localIndex = bitIndex % BitVector.packBits;
               if(value) {
                   this.restOfBits[offset] |= (1 << localIndex);
               } else {
                   this.restOfBits[offset] &= (~(1 << localIndex));
               }
           }
       };
       BitVector.prototype.map = function (fn) {
           var k;
           for(k = 0; k < BitVector.packBits; k++) {
               if(k == this.bitCount) {
                   return;
               }
               if(((1 << k) & this.firstBits) != 0) {
                   fn(k);
               }
           }
           if(this.restOfBits) {
               var len;
               var cumu = BitVector.packBits;
               for(k = 0 , len = this.restOfBits.length; k < len; k++) {
                   var myBits = this.restOfBits[k];
                   for(var j = 0; j < BitVector.packBits; j++) {
                       if(((1 << j) & myBits) != 0) {
                           fn(cumu);
                       }
                       cumu++;
                       if(cumu == this.bitCount) {
                           return;
                       }
                   }
               }
           }
       };
       BitVector.prototype.union = function (b) {
           this.firstBits |= b.firstBits;
           if(this.restOfBits) {
               for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                   var myBits = this.restOfBits[k];
                   var bBits = b.restOfBits[k];
                   this.restOfBits[k] = myBits | bBits;
               }
           }
       };
       BitVector.prototype.intersection = function (b) {
           this.firstBits &= b.firstBits;
           if(this.restOfBits) {
               for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                   var myBits = this.restOfBits[k];
                   var bBits = b.restOfBits[k];
                   this.restOfBits[k] = myBits & bBits;
               }
           }
       };
       BitVector.prototype.notEq = function (b) {
           if(this.firstBits != b.firstBits) {
               return true;
           }
           if(this.restOfBits) {
               for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                   var myBits = this.restOfBits[k];
                   var bBits = b.restOfBits[k];
                   if(myBits != bBits) {
                       return true;
                   }
               }
           }
           return false;
       };
       BitVector.prototype.difference = function (b) {
           var oldFirstBits = this.firstBits;
           this.firstBits &= (~b.firstBits);
           if(this.restOfBits) {
               for(var k = 0, len = this.restOfBits.length; k < len; k++) {
                   var myBits = this.restOfBits[k];
                   var bBits = b.restOfBits[k];
                   this.restOfBits[k] &= (~bBits);
               }
           }
       };
       return BitVector;
   })();
   TypeScript.BitVector = BitVector;    
   var BasicBlock = (function () {
       function BasicBlock() {
           this.predecessors = new Array();
           this.index = -1;
           this.markValue = 0;
           this.successors = new Array();
           this.useDef = null;
           this.content = new TypeScript.ASTList();
       }
       BasicBlock.prototype.marked = function (markBase) {
           return this.markValue > markBase;
       };
       BasicBlock.prototype.mark = function () {
           this.markValue++;
       };
       BasicBlock.prototype.addSuccessor = function (successor) {
           this.successors[this.successors.length] = successor;
           successor.predecessors[successor.predecessors.length] = this;
       };
       return BasicBlock;
   })();
   TypeScript.BasicBlock = BasicBlock;    
   var ControlFlowContext = (function () {
       function ControlFlowContext(current, exit) {
           this.current = current;
           this.exit = exit;
           this.entry = null;
           this.unreachable = null;
           this.noContinuation = false;
           this.statementStack = new Array();
           this.currentSwitch = new Array();
           this.markBase = 0;
           this.linearBBs = new Array();
           this.entry = this.current;
       }
       ControlFlowContext.prototype.walk = function (ast, parent) {
           return this.walker.walk(ast, parent);
       };
       ControlFlowContext.prototype.pushSwitch = function (bb) {
           this.currentSwitch.push(bb);
       };
       ControlFlowContext.prototype.popSwitch = function () {
           return this.currentSwitch.pop();
       };
       ControlFlowContext.prototype.reportUnreachable = function (er) {
           if(this.unreachable && (this.unreachable.length > 0)) {
               var len = this.unreachable.length;
               for(var i = 0; i < len; i++) {
                   var unreachableAST = this.unreachable[i];
                   if(unreachableAST.nodeType != TypeScript.NodeType.EndCode) {
                       er.simpleError(unreachableAST, "unreachable code");
                   }
               }
           }
       };
       ControlFlowContext.prototype.printAST = function (ast, outfile) {
           var printContext = new TypeScript.PrintContext(outfile, null);
           printContext.increaseIndent();
           TypeScript.getAstWalkerFactory().walk(ast, TypeScript.prePrintAST, TypeScript.postPrintAST, null, printContext);
           printContext.decreaseIndent();
       };
       ControlFlowContext.prototype.printBlockContent = function (bb, outfile) {
           var content = bb.content;
           for(var i = 0, len = content.members.length; i < len; i++) {
               var ast = content.members[i];
               this.printAST(ast, outfile);
           }
       };
       ControlFlowContext.prototype.bfs = function (nodeFunc, edgeFunc, preEdges, postEdges) {
           var markValue = this.markBase++;
           var q = new Array();
           q[q.length] = this.entry;
           while(q.length > 0) {
               var bb = q.pop();
               if(!(bb.marked(markValue))) {
                   bb.mark();
                   if(nodeFunc) {
                       nodeFunc(bb);
                   }
                   var succLen = bb.successors.length;
                   if(succLen > 0) {
                       if(preEdges) {
                           preEdges();
                       }
                       for(var j = succLen - 1; j >= 0; j--) {
                           var successor = bb.successors[j];
                           if(!(successor.marked(this.markBase))) {
                               if(edgeFunc) {
                                   edgeFunc(bb, successor);
                               }
                               q[q.length] = successor;
                           }
                       }
                       if(postEdges) {
                           postEdges();
                       }
                   }
               }
           }
       };
       ControlFlowContext.prototype.useDef = function (er, funcSym) {
           var _this = this;
           var useDefContext = new UseDefContext();
           useDefContext.func = funcSym;
           var useDefInit = function (bb) {
               bb.useDef = new BBUseDefInfo(bb);
               bb.useDef.initialize(useDefContext);
               _this.linearBBs[_this.linearBBs.length] = bb;
           };
           this.bfs(useDefInit, null, null, null);
           var i, bbLen;
           for(i = 0 , bbLen = this.linearBBs.length; i < bbLen; i++) {
               this.linearBBs[i].useDef.initializeGen(useDefContext);
               this.linearBBs[i].useDef.initializeKill(useDefContext);
           }
           var changed = true;
           while(changed) {
               changed = false;
               for(i = 0; i < bbLen; i++) {
                   changed = this.linearBBs[i].useDef.updateTop() || changed;
               }
           }
           var top = this.entry.useDef.top;
           top.map(function (index) {
               var ast = useDefContext.uses[index];
               er.simpleError(ast, "use of variable '" + ast.actualText + "' that is not definitely assigned");
           });
       };
       ControlFlowContext.prototype.print = function (outfile) {
           var _this = this;
           var index = 0;
           var node = function (bb) {
               if(bb.index < 0) {
                   bb.index = index++;
               }
               if(bb == _this.exit) {
                   outfile.WriteLine("Exit block with index " + bb.index);
               } else {
                   outfile.WriteLine("Basic block with index " + bb.index);
                   _this.printBlockContent(bb, outfile);
               }
           };
           function preEdges() {
               outfile.Write("  Branches to ");
           }
           function postEdges() {
               outfile.WriteLine("");
           }
           function edge(node1, node2) {
               if(node2.index < 0) {
                   node2.index = index++;
               }
               outfile.Write(node2.index + " ");
           }
           this.bfs(node, edge, preEdges, postEdges);
           if(this.unreachable != null) {
               for(var i = 0, len = this.unreachable.length; i < len; i++) {
                   outfile.WriteLine("Unreachable basic block ...");
                   this.printAST(this.unreachable[i], outfile);
               }
           }
       };
       ControlFlowContext.prototype.pushStatement = function (stmt, continueBB, breakBB) {
           this.statementStack.push({
               stmt: stmt,
               continueBB: continueBB,
               breakBB: breakBB
           });
       };
       ControlFlowContext.prototype.popStatement = function () {
           return this.statementStack.pop();
       };
       ControlFlowContext.prototype.returnStmt = function () {
           this.current.addSuccessor(this.exit);
           this.setUnreachable();
       };
       ControlFlowContext.prototype.setUnreachable = function () {
           this.current = null;
           this.noContinuation = true;
       };
       ControlFlowContext.prototype.addUnreachable = function (ast) {
           if(this.unreachable === null) {
               this.unreachable = new Array();
           }
           this.unreachable[this.unreachable.length] = ast;
       };
       ControlFlowContext.prototype.unconditionalBranch = function (target, isContinue) {
           var targetBB = null;
           for(var i = 0, len = this.statementStack.length; i < len; i++) {
               var targetInfo = this.statementStack[i];
               if(targetInfo.stmt == target) {
                   if(isContinue) {
                       targetBB = targetInfo.continueBB;
                   } else {
                       targetBB = targetInfo.breakBB;
                   }
                   break;
               }
           }
           if(targetBB) {
               this.current.addSuccessor(targetBB);
           }
           this.setUnreachable();
       };
       ControlFlowContext.prototype.addContent = function (ast) {
           if(this.current) {
               this.current.content.append(ast);
           }
       };
       return ControlFlowContext;
   })();
   TypeScript.ControlFlowContext = ControlFlowContext;    
   var ResolutionDataCache = (function () {
       function ResolutionDataCache() {
           this.cacheSize = 16;
           this.rdCache = [];
           this.nextUp = 0;
           for(var i = 0; i < this.cacheSize; i++) {
               this.rdCache[i] = {
                   actuals: new Array(),
                   exactCandidates: new Array(),
                   conversionCandidates: new Array(),
                   id: i
               };
           }
       }
       ResolutionDataCache.prototype.getResolutionData = function () {
           var rd = null;
           if(this.nextUp < this.cacheSize) {
               rd = this.rdCache[this.nextUp];
           }
           if(rd == null) {
               this.cacheSize++;
               rd = {
                   actuals: new Array(),
                   exactCandidates: new Array(),
                   conversionCandidates: new Array(),
                   id: this.cacheSize
               };
               this.rdCache[this.cacheSize] = rd;
           }
           this.nextUp++;
           return rd;
       };
       ResolutionDataCache.prototype.returnResolutionData = function (rd) {
           rd.actuals.length = 0;
           rd.exactCandidates.length = 0;
           rd.conversionCandidates.length = 0;
           this.nextUp = rd.id;
       };
       return ResolutionDataCache;
   })();
   TypeScript.ResolutionDataCache = ResolutionDataCache;    
   var TypeFlow = (function () {
       function TypeFlow(logger, initScope, parser, checker) {
           this.logger = logger;
           this.initScope = initScope;
           this.parser = parser;
           this.checker = checker;
           this.thisFnc = null;
           this.thisClassNode = null;
           this.enclosingFncIsMethod = false;
           this.arrayInterfaceType = null;
           this.stringInterfaceType = null;
           this.objectInterfaceType = null;
           this.functionInterfaceType = null;
           this.numberInterfaceType = null;
           this.booleanInterfaceType = null;
           this.iargumentsInterfaceType = null;
           this.currentScript = null;
           this.inImportTypeCheck = false;
           this.inTypeRefTypeCheck = false;
           this.inArrayElementTypeCheck = false;
           this.resolutionDataCache = new ResolutionDataCache();
           this.nestingLevel = 0;
           this.inSuperCall = false;
           this.checker.typeFlow = this;
           this.scope = this.initScope;
           this.globalScope = this.initScope;
           this.doubleType = this.checker.numberType;
           this.booleanType = this.checker.booleanType;
           this.stringType = this.checker.stringType;
           this.anyType = this.checker.anyType;
           this.regexType = this.anyType;
           this.nullType = this.checker.nullType;
           this.voidType = this.checker.voidType;
           this.arrayAnyType = this.checker.makeArrayType(this.anyType);
       }
       TypeFlow.prototype.initLibs = function () {
           var arraySym = this.globalScope.find("Array", false, true);
           if(arraySym && (arraySym.kind() == TypeScript.SymbolKind.Type)) {
               this.arrayInterfaceType = (arraySym).type;
           }
           var stringSym = this.globalScope.find("String", false, true);
           if(stringSym && (stringSym.kind() == TypeScript.SymbolKind.Type)) {
               this.stringInterfaceType = (stringSym).type;
           }
           var objectSym = this.globalScope.find("Object", false, true);
           if(objectSym && (objectSym.kind() == TypeScript.SymbolKind.Type)) {
               this.objectInterfaceType = (objectSym).type;
           }
           var fnSym = this.globalScope.find("Function", false, true);
           if(fnSym && (fnSym.kind() == TypeScript.SymbolKind.Type)) {
               this.functionInterfaceType = (fnSym).type;
           }
           var numberSym = this.globalScope.find("Number", false, true);
           if(numberSym && (numberSym.kind() == TypeScript.SymbolKind.Type)) {
               this.numberInterfaceType = (numberSym).type;
           }
           var booleanSym = this.globalScope.find("Boolean", false, true);
           if(booleanSym && (booleanSym.kind() == TypeScript.SymbolKind.Type)) {
               this.booleanInterfaceType = (booleanSym).type;
           }
           var regexSym = this.globalScope.find("RegExp", false, true);
           if(regexSym && (regexSym.kind() == TypeScript.SymbolKind.Type)) {
               this.regexType = (regexSym).type;
           }
       };
       TypeFlow.prototype.cast = function (ast, type) {
           return this.castWithCoercion(ast, type, true, false);
       };
       TypeFlow.prototype.castWithCoercion = function (ast, type, applyCoercion, typeAssertion) {
           var comparisonInfo = new TypeScript.TypeComparisonInfo();
           if(this.checker.sourceIsAssignableToTarget(ast.type, type, comparisonInfo) || (typeAssertion && this.checker.sourceIsAssignableToTarget(type, ast.type, comparisonInfo))) {
               if(applyCoercion) {
                   if(type == null) {
                       ast.type = this.anyType;
                   } else {
                       if(type.isClass()) {
                           ast.type = type.instanceType;
                       } else {
                           ast.type = type;
                       }
                   }
               }
               return ast;
           } else {
               this.checker.errorReporter.incompatibleTypes(ast, ast.type, type, null, this.scope, comparisonInfo);
               return ast;
           }
       };
       TypeFlow.prototype.inScopeTypeCheck = function (ast, enclosingScope) {
           var prevScope = this.scope;
           this.scope = enclosingScope;
           var svThisFnc = this.thisFnc;
           var svThisType = this.thisType;
           var svThisClassNode = this.thisClassNode;
           var svCurrentModDecl = this.checker.currentModDecl;
           var prevMethodStatus = this.enclosingFncIsMethod;
           var container = this.scope.container;
           var fnc = null;
           while(container) {
               if(container.kind() == TypeScript.SymbolKind.Type) {
                   var typeSym = container;
                   var type = typeSym.type;
                   if(type.call) {
                       if(fnc == null) {
                           this.enclosingFncIsMethod = typeSym.isMethod;
                           fnc = container.declAST;
                       }
                   }
                   if(type.isClass()) {
                       this.thisType = type.instanceType;
                       if(typeSym.declAST && (typeSym.declAST.nodeType == TypeScript.NodeType.ClassDeclaration)) {
                           this.thisClassNode = typeSym.declAST;
                       }
                       break;
                   }
                   if(type.isModuleType()) {
                       this.checker.currentModDecl = typeSym.declAST;
                       break;
                   }
               }
               container = container.container;
           }
           this.thisFnc = fnc;
           var updated = this.typeCheck(ast);
           this.thisFnc = svThisFnc;
           this.thisType = svThisType;
           this.thisClassNode = svThisClassNode;
           this.checker.currentModDecl = svCurrentModDecl;
           this.enclosingFncIsMethod = prevMethodStatus;
           this.scope = prevScope;
           return updated;
       };
       TypeFlow.prototype.typeCheck = function (ast) {
           if(ast) {
               return ast.typeCheck(this);
           } else {
               return null;
           }
       };
       TypeFlow.prototype.inScopeTypeCheckDecl = function (ast) {
           if(ast.nodeType == TypeScript.NodeType.VarDecl || ast.nodeType == TypeScript.NodeType.ArgDecl) {
               this.inScopeTypeCheckBoundDecl(ast);
           } else {
               if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                   var funcDecl = ast;
                   if(funcDecl.isAccessor()) {
                       this.typeCheckFunction(funcDecl);
                   }
               }
           }
       };
       TypeFlow.prototype.inScopeTypeCheckBoundDecl = function (varDecl) {
           var sym = varDecl.sym;
           var svThisFnc = this.thisFnc;
           var svThisType = this.thisType;
           var prevMethodStatus = this.enclosingFncIsMethod;
           var prevLocationInfo = this.checker.locationInfo;
           if(sym && sym.container) {
               var instanceScope = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.ClassConstructorProperty) ? sym.container.getType().constructorScope : sym.container.instanceScope();
               if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property) && sym.container.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                   this.thisFnc = sym.container.declAST;
               }
               if(instanceScope) {
                   var prevScope = this.scope;
                   this.scope = instanceScope;
                   var container = sym.container;
                   if(this.checker.units && (sym.unitIndex >= 0) && (sym.unitIndex < this.checker.units.length)) {
                       this.checker.locationInfo = this.checker.units[sym.unitIndex];
                   } else {
                       this.checker.locationInfo = TypeScript.unknownLocationInfo;
                   }
                   while(container) {
                       if(container.kind() == TypeScript.SymbolKind.Type) {
                           var typeSym = container;
                           var type = typeSym.type;
                           if(type.call) {
                               this.enclosingFncIsMethod = typeSym.isMethod;
                           }
                           if(type.isClass()) {
                               this.thisType = type.instanceType;
                               break;
                           }
                       }
                       container = container.container;
                   }
                   this.typeCheckBoundDecl(varDecl);
                   this.scope = prevScope;
               }
           }
           this.thisFnc = svThisFnc;
           this.thisType = svThisType;
           this.checker.locationInfo = prevLocationInfo;
           this.enclosingFncIsMethod = prevMethodStatus;
       };
       TypeFlow.prototype.resolveBoundDecl = function (varDecl) {
           if(varDecl.typeExpr) {
               if(varDecl.typeExpr.type == null || (varDecl.typeExpr.type && varDecl.typeExpr.type == this.anyType && this.scope) || varDecl.typeExpr.type.symbol == null || !this.checker.typeStatusIsFinished(varDecl.typeExpr.type.symbol.typeCheckStatus)) {
                   this.typeCheck(varDecl.typeExpr);
               }
               varDecl.type = varDecl.typeExpr.type;
               if(varDecl.sym) {
                   varDecl.sym.setType(varDecl.type);
               }
           } else {
               if(varDecl.init == null) {
                   if(this.checker.styleSettings.implicitAny) {
                       this.checker.errorReporter.styleError(varDecl, "type implicitly set to 'any'");
                   }
                   varDecl.type = this.anyType;
                   if(varDecl.sym) {
                       if(varDecl.sym.isType()) {
                           var tsym = varDecl.sym;
                           if(tsym.isMethod) {
                               this.checker.errorReporter.simpleError(varDecl, "Cannot bind method group to variable.  (Did you mean to use 'declare function' instead of 'declare var'?)");
                               return;
                           } else {
                               this.checker.errorReporter.simpleError(varDecl, "Cannot bind type to variable");
                               return;
                           }
                       }
                       varDecl.sym.setType(varDecl.type);
                   }
               }
           }
       };
       TypeFlow.prototype.typeCheckBoundDecl = function (varDecl) {
           var _this = this;
           var infSym = varDecl.sym;
           if(infSym == null) {
               if(varDecl.init) {
                   varDecl.init = this.typeCheck(varDecl.init);
                   varDecl.type = this.checker.widenType(varDecl.init.type);
               } else {
                   if(this.checker.styleSettings.implicitAny) {
                       this.checker.errorReporter.styleError(varDecl, "type implicitly set to 'any'");
                   }
                   varDecl.type = this.anyType;
               }
           } else {
               if(infSym.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                   if(this.checker.styleSettings.implicitAny) {
                       this.checker.errorReporter.styleError(varDecl, "type implicitly set to 'any'");
                   }
                   varDecl.type = this.anyType;
                   infSym.setType(this.anyType);
               } else {
                   if(infSym.typeCheckStatus == TypeScript.TypeCheckStatus.NotStarted) {
                       infSym.typeCheckStatus = TypeScript.TypeCheckStatus.Started;
                       this.checker.addStartedPTO(infSym);
                       var resolved = false;
                       if(varDecl.type == null) {
                           if(varDecl.typeExpr) {
                               this.resolveBoundDecl(varDecl);
                               resolved = true;
                               varDecl.type = varDecl.typeExpr.type;
                               infSym.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                           }
                       }
                       if(varDecl.init) {
                           var isLocalStatic = TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.LocalStatic);
                           var prevScope = this.scope;
                           var applyTargetType = !varDecl.init.isParenthesized;
                           if(isLocalStatic) {
                               this.scope = varDecl.sym.container.getType().memberScope;
                           }
                           if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Property) && this.thisClassNode) {
                               TypeScript.getAstWalkerFactory().walk(varDecl.init, function (ast, parent, walker) {
                                   if(ast && ast.nodeType == TypeScript.NodeType.FuncDecl) {
                                       if(TypeScript.hasFlag((ast).fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                                           (ast).fncFlags |= TypeScript.FncFlags.IsPropertyBound;
                                       }
                                       walker.options.goChildren = false;
                                   }
                                   return ast;
                               });
                           }
                           this.checker.typeCheckWithContextualType(varDecl.type, this.checker.inProvisionalTypecheckMode(), applyTargetType, varDecl.init);
                           this.scope = prevScope;
                           if(varDecl.type) {
                               var preserveScope = false;
                               var preservedContainedScope = null;
                               if(varDecl.init.type) {
                                   preservedContainedScope = varDecl.init.type.containedScope;
                                   preserveScope = true;
                                   if(varDecl.init.type == this.voidType) {
                                       this.checker.errorReporter.simpleError(varDecl, "Cannot assign type 'void' to variable '" + varDecl.id.actualText + "'");
                                   }
                               }
                               varDecl.init = this.castWithCoercion(varDecl.init, varDecl.type, applyTargetType && !this.checker.inProvisionalTypecheckMode(), false);
                               if(preserveScope && varDecl.init.type.containedScope == null) {
                                   varDecl.init.type.containedScope = preservedContainedScope;
                               }
                           } else {
                               varDecl.type = this.checker.widenType(varDecl.init.type);
                               if(varDecl.type == this.voidType) {
                                   this.checker.errorReporter.simpleError(varDecl, "Cannot assign type 'void' to variable '" + varDecl.id.actualText + "'");
                                   varDecl.type = this.anyType;
                               }
                           }
                           infSym.setType(varDecl.type);
                       } else {
                           if(!resolved) {
                               this.resolveBoundDecl(varDecl);
                           }
                       }
                       infSym.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                   } else {
                       if(this.checker.typeStatusIsFinished(infSym.typeCheckStatus) && (infSym.declAST != varDecl)) {
                           if(varDecl.init) {
                               varDecl.init = this.typeCheck(varDecl.init);
                               varDecl.type = infSym.getType();
                               varDecl.init = this.cast(varDecl.init, varDecl.type);
                           }
                       }
                   }
               }
           }
           if(varDecl.id && varDecl.sym) {
               varDecl.id.sym = varDecl.sym;
           }
           if(varDecl.sym && varDecl.sym.container) {
               this.checkTypePrivacy(varDecl.sym.getType(), varDecl.sym, function (typeName, isModuleName) {
                   return _this.varPrivacyErrorReporter(varDecl, typeName, isModuleName);
               });
           }
           return varDecl;
       };
       TypeFlow.prototype.varPrivacyErrorReporter = function (varDecl, typeName, isModuleName) {
           var typestring = "";
           if(isModuleName) {
               var quotestring = "";
               if(!TypeScript.isQuoted(typeName)) {
                   quotestring = "'";
               }
               typestring = " is using inaccessible module " + quotestring + typeName + quotestring;
           } else {
               typestring = " has or is using private type '" + typeName + "'";
           }
           if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Public)) {
               if(varDecl.sym.container.declAST.nodeType == TypeScript.NodeType.InterfaceDeclaration) {
                   this.checker.errorReporter.simpleError(varDecl, "property '" + varDecl.sym.name + "' of exported interface" + typestring);
               } else {
                   this.checker.errorReporter.simpleError(varDecl, "public member '" + varDecl.sym.name + "' of exported class" + typestring);
               }
           } else {
               this.checker.errorReporter.simpleError(varDecl, "exported variable '" + varDecl.sym.name + "'" + typestring);
           }
       };
       TypeFlow.prototype.typeCheckSuper = function (ast) {
           if(this.thisType && (this.enclosingFncIsMethod && !this.thisFnc.isStatic()) && this.thisType.baseClass()) {
               ast.type = this.thisType.baseClass();
           } else {
               if(!this.enclosingFncIsMethod && this.thisType && this.thisType.baseClass() && this.thisFnc && TypeScript.hasFlag(this.thisFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                   var enclosingFnc = this.thisFnc.enclosingFnc;
                   while(TypeScript.hasFlag(enclosingFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                       enclosingFnc = enclosingFnc.enclosingFnc;
                   }
                   if(enclosingFnc && (enclosingFnc.isMethod() || enclosingFnc.isConstructor) && !enclosingFnc.isStatic()) {
                       ast.type = this.thisType.baseClass();
                       enclosingFnc.setHasSuperReferenceInFatArrowFunction();
                       return ast;
                   }
               }
               ast.type = this.anyType;
               this.checker.errorReporter.invalidSuperReference(ast);
           }
           return ast;
       };
       TypeFlow.prototype.typeCheckThis = function (ast) {
           ast.type = this.anyType;
           var illegalThisRef = false;
           if(this.thisFnc == null) {
               if(this.thisType) {
                   if(this.thisClassNode && this.thisClassNode.nodeType == TypeScript.NodeType.ClassDeclaration) {
                       illegalThisRef = true;
                   } else {
                       ast.type = this.thisType;
                   }
               } else {
                   if(this.checker.currentModDecl) {
                       this.checker.errorReporter.simpleError(ast, "'this' may not be referenced within module bodies");
                   }
               }
           } else {
               if(this.thisClassNode && (TypeScript.hasFlag(this.thisFnc.fncFlags, TypeScript.FncFlags.IsPropertyBound) || (this.inSuperCall && TypeScript.hasFlag((this.thisClassNode).varFlags, TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor)))) {
                   illegalThisRef = true;
               }
               if(this.thisFnc.isMethod() || this.thisFnc.isConstructor || this.thisFnc.isTargetTypedAsMethod) {
                   if(this.thisType && !(this.thisFnc.fncFlags & TypeScript.FncFlags.Static)) {
                       ast.type = this.thisType;
                   }
               }
           }
           if(!this.enclosingFncIsMethod && this.thisFnc && TypeScript.hasFlag(this.thisFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
               if(this.thisFnc.boundToProperty) {
                   var container = this.thisFnc.boundToProperty.sym.container;
                   if(container.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                       (container.declAST).setHasSelfReference();
                   }
               } else {
                   var encFnc = this.thisFnc.enclosingFnc;
                   var firstEncFnc = encFnc;
                   while(encFnc) {
                       if(this.thisClassNode && TypeScript.hasFlag(encFnc.fncFlags, TypeScript.FncFlags.IsPropertyBound)) {
                           illegalThisRef = true;
                       }
                       if(!TypeScript.hasFlag(encFnc.fncFlags, TypeScript.FncFlags.IsFatArrowFunction) || encFnc.hasSelfReference()) {
                           encFnc.setHasSelfReference();
                           break;
                       }
                       encFnc = encFnc.enclosingFnc;
                   }
                   if(!encFnc && firstEncFnc) {
                       encFnc = firstEncFnc;
                       encFnc.setHasSelfReference();
                   } else {
                       if(!encFnc) {
                           if(this.thisClassNode) {
                               (this.thisClassNode).varFlags |= TypeScript.VarFlags.MustCaptureThis;
                           } else {
                               if(this.checker.currentModDecl) {
                                   this.checker.currentModDecl.modFlags |= TypeScript.ModuleFlags.MustCaptureThis;
                               } else {
                                   this.checker.mustCaptureGlobalThis = true;
                               }
                           }
                       }
                   }
                   if(encFnc && (encFnc.isMethod() || encFnc.isConstructor) && this.thisType && !TypeScript.hasFlag(encFnc.fncFlags, TypeScript.FncFlags.Static)) {
                       ast.type = this.thisType;
                   }
               }
           }
           if(illegalThisRef) {
               this.checker.errorReporter.simpleError(ast, "Keyword 'this' cannot be referenced in initializers in a class body, or in super constructor calls");
           }
           return ast;
       };
       TypeFlow.prototype.setTypeFromSymbol = function (ast, symbol) {
           if(symbol.isVariable()) {
               if(symbol.isInferenceSymbol()) {
                   var infSym = symbol;
                   if(infSym.declAST && !this.checker.typeStatusIsFinished(infSym.typeCheckStatus)) {
                       this.inScopeTypeCheckDecl(infSym.declAST);
                   }
                   if(!this.checker.styleSettings.innerScopeDeclEscape) {
                       if(infSym.declAST && (infSym.declAST.nodeType == TypeScript.NodeType.VarDecl)) {
                           if(this.nestingLevel < (infSym.declAST).nestingLevel) {
                               this.checker.errorReporter.styleError(ast, "Illegal reference to a variable defined in more nested scope");
                           }
                       }
                   }
               }
               ast.type = symbol.getType();
               if(!symbol.writeable()) {
                   ast.flags = ast.flags & (~(TypeScript.ASTFlags.Writeable));
               }
           } else {
               if(symbol.isType()) {
                   ast.type = symbol.getType();
                   ast.flags = ast.flags & (~(TypeScript.ASTFlags.Writeable));
               } else {
                   ast.type = this.anyType;
                   this.checker.errorReporter.symbolDoesNotReferToAValue(ast, symbol.name);
               }
           }
       };
       TypeFlow.prototype.typeCheckName = function (ast) {
           var _this = this;
           var identifier = ast;
           if(this.checker.inWith) {
               identifier.type = this.anyType;
           } else {
               var typespace = this.inTypeRefTypeCheck;
               var idText = identifier.text;
               var originalIdText = idText;
               var isDynamicModuleName = TypeScript.isQuoted(identifier.text);
               var symbol = this.scope.find(idText, false, typespace);
               if(symbol == null && isDynamicModuleName) {
                   symbol = this.checker.findSymbolForDynamicModule(idText, this.currentScript.locationInfo.filename, function (id) {
                       return _this.scope.find(id, false, typespace);
                   });
               }
               if(!symbol) {
                   if(!identifier.isMissing()) {
                       this.checker.errorReporter.unresolvedSymbol(identifier, identifier.text);
                   }
                   identifier.type = this.anyType;
               } else {
                   if(TypeScript.optimizeModuleCodeGen && symbol && symbol.isType()) {
                       var symType = symbol.getType();
                       if(symType && (symbol).aliasLink && (symbol).onlyReferencedAsTypeRef) {
                           var modDecl = symType.symbol.declAST;
                           if(modDecl && TypeScript.hasFlag(modDecl.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                               (symbol).onlyReferencedAsTypeRef = this.inTypeRefTypeCheck;
                           }
                       }
                   }
                   if(symbol.declAST && symbol.declAST.nodeType == TypeScript.NodeType.FuncDecl && !(symbol.declAST).returnTypeAnnotation && (symbol.declAST).signature.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                       (symbol.declAST).type.symbol.flags |= TypeScript.SymbolFlags.RecursivelyReferenced;
                       (symbol.declAST).signature.returnType.type = this.anyType;
                   }
                   this.setTypeFromSymbol(ast, symbol);
                   identifier.sym = symbol;
                   if(this.thisFnc) {
                       if(this.thisFnc.type && symbol.container != this.thisFnc.type.symbol) {
                           this.thisFnc.freeVariables[this.thisFnc.freeVariables.length] = symbol;
                       }
                   }
               }
           }
           return ast;
       };
       TypeFlow.prototype.typeCheckScript = function (script) {
           this.checker.locationInfo = script.locationInfo;
           this.scope = this.checker.globalScope;
           if(!script.topLevelMod) {
               this.addLocalsFromScope(this.scope, this.checker.gloMod, script.vars, this.checker.globals, true);
           }
           this.currentScript = script;
           script.bod = this.typeCheck(script.bod);
           this.currentScript = null;
           return script;
       };
       TypeFlow.prototype.typeCheckBitNot = function (ast) {
           var unex = ast;
           unex.operand = this.typeCheck(unex.operand);
           unex.type = this.doubleType;
           return unex;
       };
       TypeFlow.prototype.typeCheckUnaryNumberOperator = function (ast) {
           var unex = ast;
           unex.operand = this.typeCheck(unex.operand);
           unex.type = this.doubleType;
           return ast;
       };
       TypeFlow.prototype.typeCheckLogNot = function (ast) {
           var unex = ast;
           unex.operand = this.typeCheck(unex.operand);
           unex.type = this.booleanType;
           return unex;
       };
       TypeFlow.prototype.astIsWriteable = function (ast) {
           return TypeScript.hasFlag(ast.flags, TypeScript.ASTFlags.Writeable);
       };
       TypeFlow.prototype.typeCheckIncOrDec = function (ast) {
           var unex = ast;
           var lval = unex.operand;
           if(!this.astIsWriteable(unex)) {
               this.checker.errorReporter.valueCannotBeModified(unex);
               unex.type = this.doubleType;
           } else {
               unex = this.typeCheckUnaryNumberOperator(ast);
               if(unex.operand.type != this.checker.numberType && unex.operand.type != this.checker.anyType && !(unex.operand.type.typeFlags & TypeScript.TypeFlags.IsEnum)) {
                   this.checker.errorReporter.simpleError(ast, "'++' and '--' may only be applied to operands of type 'number' or 'any'");
               }
           }
           return unex;
       };
       TypeFlow.prototype.typeCheckBitwiseOperator = function (ast, assignment) {
           var binex = ast;
           var resultType = null;
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           var leftType = binex.operand1.type;
           var rightType = binex.operand2.type;
           if(assignment && (!this.astIsWriteable(binex))) {
               this.checker.errorReporter.valueCannotBeModified(binex);
           }
           if(this.checker.styleSettings.bitwise) {
               this.checker.errorReporter.styleError(ast, "use of " + TypeScript.nodeTypeTable[binex.nodeType]);
           }
           if(this.checker.sourceIsSubtypeOfTarget(leftType, this.doubleType) && (this.checker.sourceIsSubtypeOfTarget(rightType, this.doubleType))) {
               resultType = this.doubleType;
           } else {
               if((leftType == this.booleanType) && (rightType == this.booleanType)) {
                   resultType = this.booleanType;
               } else {
                   if(leftType == this.anyType) {
                       if((rightType == this.anyType) || (rightType == this.doubleType) || (rightType == this.booleanType)) {
                           resultType = this.anyType;
                       }
                   } else {
                       if(rightType == this.anyType) {
                           if((leftType == this.anyType) || (leftType == this.doubleType) || (leftType == this.booleanType)) {
                               resultType = this.anyType;
                           }
                       }
                   }
               }
           }
           if(resultType == null) {
               resultType = this.anyType;
               this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
           }
           binex.type = resultType;
           return binex;
       };
       TypeFlow.prototype.typeCheckArithmeticOperator = function (ast, assignment) {
           var binex = ast;
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           var leftType = binex.operand1.type;
           var rightType = binex.operand2.type;
           if(assignment && (!this.astIsWriteable(binex.operand1))) {
               this.checker.errorReporter.valueCannotBeModified(binex);
           }
           if(this.checker.styleSettings.bitwise && ((binex.nodeType == TypeScript.NodeType.And) || (binex.nodeType == TypeScript.NodeType.Or) || (binex.nodeType == TypeScript.NodeType.AsgAnd) || (binex.nodeType == TypeScript.NodeType.AsgOr))) {
               this.checker.errorReporter.styleError(ast, "use of " + TypeScript.nodeTypeTable[binex.nodeType]);
           }
           if(leftType == null || rightType == null) {
               this.checker.errorReporter.simpleError(binex, "Could not typecheck arithmetic operation.  Possible recursive typecheck error?");
               binex.type = this.anyType;
               return binex;
           }
           var nodeType = binex.nodeType;
           if(this.checker.isNullOrUndefinedType(leftType)) {
               leftType = rightType;
           }
           if(this.checker.isNullOrUndefinedType(rightType)) {
               rightType = leftType;
           }
           leftType = this.checker.widenType(leftType);
           rightType = this.checker.widenType(rightType);
           if(nodeType == TypeScript.NodeType.Add || nodeType == TypeScript.NodeType.AsgAdd) {
               if(leftType == this.checker.stringType || rightType == this.checker.stringType) {
                   binex.type = this.checker.stringType;
               } else {
                   if(leftType == this.checker.numberType && rightType == this.checker.numberType) {
                       binex.type = this.checker.numberType;
                   } else {
                       if(this.checker.sourceIsSubtypeOfTarget(leftType, this.checker.numberType) && this.checker.sourceIsSubtypeOfTarget(rightType, this.checker.numberType)) {
                           binex.type = this.checker.numberType;
                       } else {
                           if(leftType == this.checker.anyType || rightType == this.checker.anyType) {
                               binex.type = this.checker.anyType;
                           } else {
                               binex.type = this.anyType;
                               this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
                           }
                       }
                   }
               }
           } else {
               if(leftType == this.checker.numberType && rightType == this.checker.numberType) {
                   binex.type = this.checker.numberType;
               } else {
                   if(this.checker.sourceIsSubtypeOfTarget(leftType, this.checker.numberType) && this.checker.sourceIsSubtypeOfTarget(rightType, this.checker.numberType)) {
                       binex.type = this.checker.numberType;
                   } else {
                       if(leftType == this.checker.anyType || rightType == this.checker.anyType) {
                           binex.type = this.checker.numberType;
                       } else {
                           binex.type = this.anyType;
                           this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
                       }
                   }
               }
           }
           return binex;
       };
       TypeFlow.prototype.typeCheckDotOperator = function (ast) {
           var binex = ast;
           var leftIsFnc = false;
           binex.operand1 = this.typeCheck(binex.operand1);
           var leftType = binex.operand1.type;
           var leftScope = null;
           if(leftType) {
               if(leftType == this.anyType) {
                   binex.type = this.anyType;
                   return binex;
               } else {
                   if(leftType == this.stringType) {
                       if(this.stringInterfaceType) {
                           leftScope = this.stringInterfaceType.memberScope;
                       } else {
                           binex.type = this.anyType;
                           return binex;
                       }
                   } else {
                       if(leftType == this.doubleType) {
                           if(this.numberInterfaceType) {
                               leftScope = this.numberInterfaceType.memberScope;
                           } else {
                               binex.type = this.anyType;
                               return binex;
                           }
                       } else {
                           if(leftType == this.booleanType) {
                               if(this.booleanInterfaceType) {
                                   leftScope = this.booleanInterfaceType.memberScope;
                               } else {
                                   binex.type = this.anyType;
                                   return binex;
                               }
                           } else {
                               if((leftType.call || leftType.construct) && leftType.members == null) {
                                   if(this.functionInterfaceType) {
                                       leftScope = this.functionInterfaceType.memberScope;
                                   } else {
                                       binex.type = this.anyType;
                                       return binex;
                                   }
                               } else {
                                   if(leftType.elementType) {
                                       if(this.arrayInterfaceType) {
                                           var arrInstType = leftType.elementType.getArrayBase(this.arrayInterfaceType, this.checker);
                                           leftScope = arrInstType.memberScope;
                                       } else {
                                           binex.type = this.anyType;
                                           return binex;
                                       }
                                   } else {
                                       leftScope = leftType.memberScope;
                                   }
                               }
                           }
                       }
                   }
               }
           }
           if(leftScope == null) {
               this.checker.errorReporter.expectedClassOrInterface(binex);
               binex.type = this.anyType;
           } else {
               var propertyName = binex.operand2;
               var lhsIsEnclosingType = (this.thisClassNode && binex.operand1.type == this.thisClassNode.type.instanceType) || this.inTypeRefTypeCheck;
               var symbol = leftScope.find(propertyName.text, !lhsIsEnclosingType, this.inTypeRefTypeCheck);
               if(!symbol) {
                   if(this.objectInterfaceType && leftType) {
                       if(leftType.isReferenceType()) {
                           symbol = this.objectInterfaceType.memberScope.find(propertyName.text, false, this.inTypeRefTypeCheck);
                       }
                       if(!symbol) {
                           if(this.functionInterfaceType && (leftType.call || leftType.construct)) {
                               symbol = this.functionInterfaceType.memberScope.find(propertyName.text, false, this.inTypeRefTypeCheck);
                           }
                       }
                   }
               }
               if(!symbol || (!symbol.visible(leftScope, this.checker))) {
                   binex.type = this.anyType;
                   if(symbol == null) {
                       this.checker.errorReporter.simpleError(propertyName, "The property '" + propertyName.actualText + "' does not exist on value of type '" + leftType.getScopedTypeName(this.scope) + "'");
                   } else {
                       if(!this.inTypeRefTypeCheck) {
                           this.checker.errorReporter.simpleError(binex, "The property '" + propertyName.actualText + " on type '" + leftType.getScopedTypeName(this.scope) + "' is not visible");
                       }
                   }
               } else {
                   if(symbol.isVariable()) {
                       if(symbol.isInferenceSymbol()) {
                           var infSym = symbol;
                           if(infSym.declAST && !this.checker.typeStatusIsFinished(infSym.typeCheckStatus)) {
                               this.inScopeTypeCheckDecl(infSym.declAST);
                           }
                       }
                   }
                   propertyName.sym = symbol;
                   binex.type = symbol.getType();
               }
           }
           if(binex.type == null) {
               binex.type = this.anyType;
           }
           return binex;
       };
       TypeFlow.prototype.typeCheckBooleanOperator = function (ast) {
           var binex = ast;
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           var leftType = binex.operand1.type;
           var rightType = binex.operand2.type;
           if((!(this.checker.sourceIsAssignableToTarget(leftType, rightType))) && (!(this.checker.sourceIsAssignableToTarget(rightType, leftType)))) {
               this.checker.errorReporter.incompatibleTypes(binex, leftType, rightType, binex.printLabel(), this.scope);
           }
           binex.type = this.booleanType;
           return binex;
       };
       TypeFlow.prototype.typeCheckAsgOperator = function (ast) {
           var binex = ast;
           var applyTargetType = !binex.operand2.isParenthesized;
           binex.operand1 = this.typeCheck(binex.operand1);
           this.checker.typeCheckWithContextualType(binex.operand1.type, this.checker.inProvisionalTypecheckMode(), applyTargetType, binex.operand2);
           var leftType = binex.operand1.type;
           var rightType = binex.operand2.type;
           if(!(this.astIsWriteable(binex.operand1))) {
               this.checker.errorReporter.valueCannotBeModified(binex);
           }
           if(binex.operand1.nodeType == TypeScript.NodeType.Call) {
               var callEx = binex.operand1;
           }
           var preserveScope = false;
           var preservedContainedScope = null;
           if(binex.operand2.type) {
               preservedContainedScope = binex.operand2.type.containedScope;
               preserveScope = true;
           }
           binex.operand2 = this.castWithCoercion(binex.operand2, leftType, applyTargetType && !this.checker.inProvisionalTypecheckMode(), false);
           if(preserveScope && binex.operand2.type.containedScope == null) {
               binex.operand2.type.containedScope = preservedContainedScope;
           }
           binex.type = rightType;
           return binex;
       };
       TypeFlow.prototype.typeCheckIndex = function (ast) {
           var binex = ast;
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           if(!this.checker.styleSettings.literalSubscript) {
               if(binex.operand2.nodeType == TypeScript.NodeType.QString) {
                   this.checker.errorReporter.styleError(ast, "use literal subscript ('.') notation instead)");
               }
           }
           var objExprType = binex.operand1.type;
           var indexExprType = binex.operand2.type;
           if(objExprType.elementType) {
               if(indexExprType == this.checker.anyType || indexExprType == this.checker.numberType || TypeScript.hasFlag(indexExprType.typeFlags, TypeScript.TypeFlags.IsEnum)) {
                   binex.type = objExprType.elementType;
               } else {
                   if(indexExprType == this.checker.stringType) {
                       binex.type = this.checker.anyType;
                   } else {
                       this.checker.errorReporter.simpleError(binex, "Illegal property access");
                       binex.type = this.checker.anyType;
                   }
               }
           } else {
               if(objExprType.index) {
                   if(indexExprType == this.checker.anyType || !((objExprType.index.flags & TypeScript.SignatureFlags.IsStringIndexer) || (objExprType.index.flags & TypeScript.SignatureFlags.IsNumberIndexer)) || ((objExprType.index.flags & TypeScript.SignatureFlags.IsStringIndexer) && indexExprType == this.checker.stringType) || ((objExprType.index.flags & TypeScript.SignatureFlags.IsNumberIndexer) && (indexExprType == this.checker.numberType || TypeScript.hasFlag(indexExprType.typeFlags, TypeScript.TypeFlags.IsEnum)))) {
                       var sig = this.resolveOverload(ast, objExprType.index);
                       if(sig) {
                           binex.type = sig.returnType.type;
                       } else {
                           binex.type = this.checker.anyType;
                       }
                   } else {
                       if(indexExprType == this.checker.stringType) {
                           binex.type = this.checker.anyType;
                       } else {
                           this.checker.errorReporter.simpleError(binex, "Illegal property access");
                           binex.type = this.checker.anyType;
                       }
                   }
               } else {
                   if((objExprType == this.checker.anyType || objExprType == this.checker.stringType || objExprType == this.checker.numberType || objExprType == this.checker.booleanType || objExprType.isReferenceType()) && (indexExprType == this.checker.anyType || indexExprType == this.checker.stringType || (indexExprType == this.checker.numberType || TypeScript.hasFlag(indexExprType.typeFlags, TypeScript.TypeFlags.IsEnum)))) {
                       binex.type = this.checker.anyType;
                   } else {
                       this.checker.errorReporter.simpleError(binex, "Illegal property access");
                       binex.type = this.checker.anyType;
                   }
               }
           }
           return binex;
       };
       TypeFlow.prototype.typeCheckInOperator = function (binex) {
           binex.operand1 = this.cast(this.typeCheck(binex.operand1), this.stringType);
           binex.operand2 = this.typeCheck(binex.operand2);
           if(!((binex.operand1.type == this.checker.anyType || binex.operand1.type == this.checker.stringType) && (binex.operand2.type == this.anyType || this.checker.sourceIsSubtypeOfTarget(binex.operand2.type, this.objectInterfaceType)))) {
               this.checker.errorReporter.simpleError(binex, "The in operator requires the left operand to be of type Any or the String primitive type, and the right operand to be of type Any or an object type");
           }
           binex.type = this.booleanType;
           return binex;
       };
       TypeFlow.prototype.typeCheckShift = function (binex, assignment) {
           binex.operand1 = this.cast(this.typeCheck(binex.operand1), this.doubleType);
           binex.operand2 = this.cast(this.typeCheck(binex.operand2), this.doubleType);
           if(assignment && (!(this.astIsWriteable(binex.operand1)))) {
               this.checker.errorReporter.valueCannotBeModified(binex);
           }
           binex.type = this.doubleType;
           return binex;
       };
       TypeFlow.prototype.typeCheckQMark = function (trinex) {
           trinex.operand1 = this.typeCheck(trinex.operand1);
           trinex.operand2 = this.typeCheck(trinex.operand2);
           trinex.operand3 = this.typeCheck(trinex.operand3);
           var leftType = trinex.operand2.type;
           var rightType = trinex.operand3.type;
           if(leftType == rightType) {
               trinex.type = leftType;
           } else {
               if(this.checker.sourceIsSubtypeOfTarget(leftType, rightType)) {
                   trinex.type = rightType;
               } else {
                   if(this.checker.sourceIsSubtypeOfTarget(rightType, leftType)) {
                       trinex.type = leftType;
                   } else {
                       trinex.type = this.anyType;
                       this.checker.errorReporter.incompatibleTypes(trinex, leftType, rightType, trinex.printLabel(), this.scope);
                   }
               }
           }
           return trinex;
       };
       TypeFlow.prototype.addFormals = function (container, signature, table) {
           var len = signature.parameters.length;
           for(var i = 0; i < len; i++) {
               var symbol = signature.parameters[i];
               symbol.container = container;
               table.add(symbol.name, symbol);
           }
       };
       TypeFlow.prototype.addLocalsFromScope = function (scope, container, vars, table, isModContainer) {
           var len = vars.members.length;
           var hasArgsDef = false;
           for(var i = 0; i < len; i++) {
               var local = vars.members[i];
               if(((local.sym == null) || (local.sym.kind() != TypeScript.SymbolKind.Field))) {
                   var result = null;
                   if((result = table.lookup(local.id.text)) == null) {
                       var localVar = new TypeScript.ValueLocation();
                       localVar.typeLink = new TypeScript.TypeLink();
                       var varSym = null;
                       if(TypeScript.hasFlag(local.varFlags, TypeScript.VarFlags.Static)) {
                           local.varFlags |= TypeScript.VarFlags.LocalStatic;
                           varSym = new TypeScript.FieldSymbol(local.id.text, local.minChar, this.checker.locationInfo.unitIndex, true, localVar);
                       } else {
                           varSym = new TypeScript.VariableSymbol(local.id.text, local.minChar, this.checker.locationInfo.unitIndex, localVar);
                       }
                       varSym.transferVarFlags(local.varFlags);
                       localVar.symbol = varSym;
                       varSym.declAST = local;
                       localVar.typeLink.ast = local.typeExpr;
                       this.checker.resolveTypeLink(scope, localVar.typeLink, false);
                       if((local.type == null) && (local.init == null)) {
                           local.type = this.anyType;
                       }
                       localVar.typeLink.type = local.type;
                       localVar.symbol.container = container;
                       local.sym = localVar.symbol;
                       table.add(local.id.text, varSym);
                       if(local.id.text == "arguments") {
                           hasArgsDef = true;
                       }
                   } else {
                       local.type = result.getType();
                       local.sym = result;
                   }
               }
           }
           if(!isModContainer) {
               if(!hasArgsDef) {
                   var argLoc = new TypeScript.ValueLocation();
                   argLoc.typeLink = new TypeScript.TypeLink();
                   var theArgSym = new TypeScript.VariableSymbol("arguments", vars.minChar, this.checker.locationInfo.unitIndex, argLoc);
                   if(!this.iargumentsInterfaceType) {
                       var argumentsSym = scope.find("IArguments", false, true);
                       if(argumentsSym) {
                           argumentsSym.flags |= TypeScript.SymbolFlags.CompilerGenerated;
                           this.iargumentsInterfaceType = argumentsSym.getType();
                       } else {
                           this.iargumentsInterfaceType = this.anyType;
                       }
                   }
                   argLoc.typeLink.type = this.iargumentsInterfaceType;
                   table.add("arguments", theArgSym);
               }
           }
       };
       TypeFlow.prototype.addConstructorLocalArgs = function (container, args, table, isClass) {
           if(args) {
               var len = args.members.length;
               for(var i = 0; i < len; i++) {
                   var local = args.members[i];
                   if((local.sym == null) || (isClass || (local.sym.kind() != TypeScript.SymbolKind.Field))) {
                       var result = null;
                       if((result = table.lookup(local.id.text)) == null) {
                           this.resolveBoundDecl(local);
                           var localVar = new TypeScript.ValueLocation();
                           localVar.typeLink = new TypeScript.TypeLink();
                           var varSym = new TypeScript.ParameterSymbol(local.id.text, local.minChar, this.checker.locationInfo.unitIndex, localVar);
                           varSym.declAST = local;
                           localVar.symbol = varSym;
                           localVar.typeLink.type = local.type;
                           localVar.symbol.container = container;
                           local.sym = localVar.symbol;
                           table.add(local.id.text, varSym);
                       } else {
                           local.type = result.getType();
                           local.sym = result;
                       }
                   }
               }
           }
       };
       TypeFlow.prototype.checkInitSelf = function (funcDecl) {
           if(!funcDecl.isMethod()) {
               var freeVars = funcDecl.freeVariables;
               for(var k = 0, len = freeVars.length; k < len; k++) {
                   var sym = freeVars[k];
                   if(sym.isInstanceProperty()) {
                       return true;
                   }
               }
           }
           var fns = funcDecl.scopes;
           var fnsLen = fns.members.length;
           for(var j = 0; j < fnsLen; j++) {
               var fn = fns.members[j];
               if(this.checkInitSelf(fn)) {
                   return true;
               }
           }
           return false;
       };
       TypeFlow.prototype.checkPromoteFreeVars = function (funcDecl, constructorSym) {
           var freeVars = funcDecl.freeVariables;
           for(var k = 0, len = freeVars.length; k < len; k++) {
               var sym = freeVars[k];
               if((!sym.isInstanceProperty()) && (sym.container == constructorSym)) {
                   TypeScript.instanceFilter.reset();
                   if(this.scope.search(TypeScript.instanceFilter, sym.name, false, false)) {
                       this.checker.errorReporter.simpleError(funcDecl, "Constructor-local variable shadows class property '" + sym.name + "'. To access the class property, use 'self." + sym.name + "'");
                   }
                   this.checker.errorReporter.simpleError(funcDecl, "Constructor-local variables may not be accessed from instance method bodies. Consider changing local variable '" + sym.name + "' to a class property");
               }
           }
       };
       TypeFlow.prototype.allReturnsAreVoid = function (funcDecl) {
           var allReturnsAreVoid = true;
           if(funcDecl.signature.returnType.type == null) {
               var preFindReturnExpressionTypes = function (ast, parent, walker) {
                   var go = true;
                   switch(ast.nodeType) {
                       case TypeScript.NodeType.FuncDecl: {
                           go = false;
                           break;

                       }
                       case TypeScript.NodeType.Return: {
                           var returnStmt = ast;
                           if(returnStmt.returnExpression) {
                               allReturnsAreVoid = false;
                               go = false;
                           }

                       }
                       default: {
                           break;

                       }
                   }
                   walker.options.goChildren = go;
                   walker.options.goNextSibling = go;
                   return ast;
               };
               TypeScript.getAstWalkerFactory().walk(funcDecl.bod, preFindReturnExpressionTypes);
           }
           return allReturnsAreVoid;
       };
       TypeFlow.prototype.classConstructorHasSuperCall = function (funcDecl) {
           var foundSuper = false;
           var preFindSuperCall = function (ast, parent, walker) {
               var go = true;
               switch(ast.nodeType) {
                   case TypeScript.NodeType.FuncDecl: {
                       go = false;
                       break;

                   }
                   case TypeScript.NodeType.Call: {
                       var call = ast;
                       if(call.target.nodeType == TypeScript.NodeType.Super) {
                           go = false;
                           foundSuper = true;
                           break;
                       }
                       break;

                   }
                   default: {
                       break;

                   }
               }
               walker.options.goChildren = go;
               return ast;
           };
           TypeScript.getAstWalkerFactory().walk(funcDecl.bod, preFindSuperCall);
           return foundSuper;
       };
       TypeFlow.prototype.baseListPrivacyErrorReporter = function (bases, i, declSymbol, extendsList, typeName, isModuleName) {
           var baseSymbol = bases.members[i].type.symbol;
           var declTypeString = (declSymbol.declAST.nodeType == TypeScript.NodeType.InterfaceDeclaration) ? "interface" : "class";
           var baseListTypeString = extendsList ? "extends" : "implements";
           var baseTypeString = (baseSymbol.declAST.nodeType == TypeScript.NodeType.InterfaceDeclaration) ? "interface" : "class";
           var typestring = "";
           if(isModuleName) {
               var quotestring = "";
               if(!TypeScript.isQuoted(typeName)) {
                   quotestring = "'";
               }
               typestring = " is using inaccessible module ";
               baseTypeString = " " + baseTypeString + " from private module " + quotestring + typeName + quotestring;
           } else {
               baseTypeString = " private " + baseTypeString + " '" + typeName + "'";
           }
           this.checker.errorReporter.simpleError(bases.members[i], "exported " + declTypeString + " '" + declSymbol.name + "' " + baseListTypeString + baseTypeString);
       };
       TypeFlow.prototype.typeCheckBaseListPrivacy = function (bases, declSymbol, extendsList) {
           var _this = this;
           if(bases) {
               var basesLen = bases.members.length;
               for(var i = 0; i < basesLen; i++) {
                   if(!bases.members[i].type || bases.members[i].type == this.checker.anyType) {
                       continue;
                   }
                   this.checkSymbolPrivacy(bases.members[i].type.symbol, declSymbol, function (typeName, isModuleName) {
                       return _this.baseListPrivacyErrorReporter(bases, i, declSymbol, extendsList, typeName, isModuleName);
                   });
               }
           }
       };
       TypeFlow.prototype.checkSymbolPrivacy = function (typeSymbol, declSymbol, errorCallback) {
           var externalModuleSymbol = null;
           var declSymbolPath = null;
           if(typeSymbol.isExternallyVisible(this.checker)) {
               var typeSymbolPath = typeSymbol.pathToRoot();
               declSymbolPath = declSymbol.pathToRoot();
               var typeSymbolLength = typeSymbolPath.length;
               var declSymbolPathLength = declSymbolPath.length;
               if(typeSymbolLength > 0) {
                   if(typeSymbolPath[typeSymbolLength - 1].getType().isModuleType() && (typeSymbolPath[typeSymbolLength - 1]).isDynamic && typeSymbolPath[typeSymbolLength - 1] != declSymbolPath[declSymbolPathLength - 1]) {
                       externalModuleSymbol = typeSymbolPath[typeSymbolLength - 1];
                   } else {
                       if(typeSymbolLength > 1) {
                           if(typeSymbolPath[typeSymbolLength - 2].getType().isModuleType() && (typeSymbolPath[typeSymbolLength - 2]).isDynamic && (declSymbolPathLength == 1 || typeSymbolPath[typeSymbolLength - 2] != declSymbolPath[declSymbolPathLength - 2])) {
                               externalModuleSymbol = typeSymbolPath[typeSymbolLength - 2];
                           }
                       }
                   }
               }
               if(externalModuleSymbol == null) {
                   return;
               }
           }
           var interfaceDecl = declSymbol.getInterfaceDeclFromSymbol(this.checker);
           if(interfaceDecl && !TypeScript.hasFlag(interfaceDecl.varFlags, TypeScript.VarFlags.Exported)) {
               return;
           }
           var checkVisibilitySymbol = declSymbol;
           var varDecl = declSymbol.getVarDeclFromSymbol();
           if(varDecl) {
               if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Private)) {
                   return;
               } else {
                   if(TypeScript.hasFlag(varDecl.varFlags, TypeScript.VarFlags.Public)) {
                       checkVisibilitySymbol = declSymbol.container;
                   }
               }
           }
           if(checkVisibilitySymbol.isExternallyVisible(this.checker)) {
               var privateSymbolName = typeSymbol.name;
               if(externalModuleSymbol != null) {
                   var prettyName = externalModuleSymbol.getPrettyNameOfDynamicModule(declSymbolPath);
                   if(prettyName != null) {
                       this.currentScript.AddExternallyVisibleImportedSymbol(prettyName.symbol, this.checker);
                       return;
                   } else {
                       privateSymbolName = externalModuleSymbol.prettyName;
                   }
               }
               errorCallback(privateSymbolName, typeSymbol.name != privateSymbolName);
           }
       };
       TypeFlow.prototype.checkTypePrivacy = function (type, declSymbol, errorCallback) {
           var _this = this;
           if(!(type && type.primitiveTypeClass == TypeScript.Primitive.None)) {
               return;
           }
           if(type.isArray()) {
               return this.checkTypePrivacy(type.elementType, declSymbol, errorCallback);
           }
           if(type.symbol && type.symbol.name && type.symbol.name != "_anonymous" && (((type.call == null) && (type.construct == null) && (type.index == null)) || (type.members && (!type.isClass())))) {
               return this.checkSymbolPrivacy(type.symbol, declSymbol, errorCallback);
           }
           if(type.members) {
               type.members.allMembers.map(function (key, s, unused) {
                   var sym = s;
                   if(!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.BuiltIn)) {
                       _this.checkTypePrivacy(sym.getType(), declSymbol, errorCallback);
                   }
               }, null);
           }
           this.checkSignatureGroupPrivacy(type.call, declSymbol, errorCallback);
           this.checkSignatureGroupPrivacy(type.construct, declSymbol, errorCallback);
           this.checkSignatureGroupPrivacy(type.index, declSymbol, errorCallback);
       };
       TypeFlow.prototype.checkSignatureGroupPrivacy = function (sgroup, declSymbol, errorCallback) {
           if(sgroup) {
               var len = sgroup.signatures.length;
               for(var i = 0; i < sgroup.signatures.length; i++) {
                   var signature = sgroup.signatures[i];
                   if(len > 1 && signature == sgroup.definitionSignature) {
                       continue;
                   }
                   if(signature.returnType) {
                       this.checkTypePrivacy(signature.returnType.type, declSymbol, errorCallback);
                   }
                   var paramLen = signature.parameters.length;
                   for(var j = 0; j < paramLen; j++) {
                       var param = signature.parameters[j];
                       this.checkTypePrivacy(param.getType(), declSymbol, errorCallback);
                   }
               }
           }
       };
       TypeFlow.prototype.functionArgumentPrivacyErrorReporter = function (funcDecl, p, paramSymbol, typeName, isModuleName) {
           var isGetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor);
           var isSetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.SetAccessor);
           var isPublicFunc = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Public);
           var isContainerInterface = funcDecl.type.symbol.getInterfaceDeclFromSymbol(this.checker) != null;
           var typestring = "";
           if(isModuleName) {
               var quotestring = "";
               if(!TypeScript.isQuoted(typeName)) {
                   quotestring = "'";
               }
               typestring = " is using inaccessible module " + quotestring + typeName + quotestring;
           } else {
               typestring = " has or is using private type '" + typeName + "'";
           }
           if(!isContainerInterface) {
               if(funcDecl.isConstructor) {
                   this.checker.errorReporter.simpleError(funcDecl.arguments.members[p], "exported class's constructor parameter '" + paramSymbol.name + "'" + typestring);
               } else {
                   if(isSetter) {
                       this.checker.errorReporter.simpleError(funcDecl.arguments.members[p], (isPublicFunc ? "public" : "exported") + " setter parameter '" + paramSymbol.name + "'" + typestring);
                   } else {
                       if(!isGetter) {
                           this.checker.errorReporter.simpleError(funcDecl.arguments.members[p], (isPublicFunc ? "public" : "exported") + " function parameter '" + paramSymbol.name + "'" + typestring);
                       }
                   }
               }
           } else {
               if(funcDecl.isConstructMember()) {
                   this.checker.errorReporter.simpleError(funcDecl.arguments.members[p], "exported interface's constructor parameter '" + paramSymbol.name + "'" + typestring);
               } else {
                   if(funcDecl.isCallMember()) {
                       this.checker.errorReporter.simpleError(funcDecl.arguments.members[p], "exported interface's call parameter '" + paramSymbol.name + "'" + typestring);
                   } else {
                       if(!funcDecl.isIndexerMember()) {
                           this.checker.errorReporter.simpleError(funcDecl.arguments.members[p], "exported interface's function parameter '" + paramSymbol.name + "'" + typestring);
                       }
                   }
               }
           }
       };
       TypeFlow.prototype.returnTypePrivacyError = function (astError, funcDecl, typeName, isModuleName) {
           var isGetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor);
           var isSetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.SetAccessor);
           var isPublicFunc = TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Public);
           var isContainerInterface = funcDecl.type.symbol.getInterfaceDeclFromSymbol(this.checker) != null;
           var typestring = "";
           if(isModuleName) {
               var quotestring = "";
               if(!TypeScript.isQuoted(typeName)) {
                   quotestring = "'";
               }
               typestring = " is using inaccessible module " + quotestring + typeName + quotestring;
           } else {
               typestring = " has or is using private type '" + typeName + "'";
           }
           if(!isContainerInterface) {
               if(isGetter) {
                   this.checker.errorReporter.simpleError(astError, (isPublicFunc ? "public" : "exported") + " getter return type" + typestring);
               } else {
                   if(!isSetter) {
                       this.checker.errorReporter.simpleError(astError, (isPublicFunc ? "public" : "exported") + " function return type" + typestring);
                   }
               }
           } else {
               if(funcDecl.isConstructMember()) {
                   this.checker.errorReporter.simpleError(astError, "exported interface's constructor return type" + typestring);
               } else {
                   if(funcDecl.isCallMember()) {
                       this.checker.errorReporter.simpleError(astError, "exported interface's call return type" + typestring);
                   } else {
                       if(funcDecl.isIndexerMember()) {
                           this.checker.errorReporter.simpleError(astError, "exported interface's indexer return type" + typestring);
                       } else {
                           this.checker.errorReporter.simpleError(astError, "exported interface's function return type" + typestring);
                       }
                   }
               }
           }
       };
       TypeFlow.prototype.functionReturnTypePrivacyErrorReporter = function (funcDecl, signature, typeName, isModuleName) {
           var reportOnFuncDecl = false;
           if(funcDecl.returnTypeAnnotation != null && funcDecl.returnTypeAnnotation.type == signature.returnType.type) {
               this.returnTypePrivacyError(funcDecl.returnTypeAnnotation, funcDecl, typeName, isModuleName);
           }
           for(var i = 0; i < funcDecl.returnStatementsWithExpressions.length; i++) {
               if(funcDecl.returnStatementsWithExpressions[i].type == signature.returnType.type) {
                   this.returnTypePrivacyError(funcDecl.returnStatementsWithExpressions[i], funcDecl, typeName, isModuleName);
               } else {
                   reportOnFuncDecl = true;
               }
           }
           if(reportOnFuncDecl) {
               this.returnTypePrivacyError(funcDecl, funcDecl, typeName, isModuleName);
           }
       };
       TypeFlow.prototype.typeCheckFunction = function (funcDecl) {
           var _this = this;
           this.nestingLevel = 0;
           var fnType = funcDecl.type;
           var fgSym = fnType.symbol;
           var signature = funcDecl.signature;
           if(this.checker.typeStatusIsFinished(signature.typeCheckStatus)) {
               return funcDecl;
           } else {
               if(signature.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                   if(!funcDecl.returnTypeAnnotation && funcDecl.bod && !funcDecl.isSignature() && !(funcDecl.isConstructor) && this.allReturnsAreVoid(funcDecl)) {
                       signature.returnType.type = this.voidType;
                       return funcDecl;
                   } else {
                       if(funcDecl.returnTypeAnnotation == null) {
                           if(this.checker.styleSettings.implicitAny) {
                               this.checker.errorReporter.styleError(funcDecl, "type implicitly set to 'any'");
                           }
                           signature.returnType.type = this.anyType;
                           fgSym.flags |= TypeScript.SymbolFlags.RecursivelyReferenced;
                       }
                       return funcDecl;
                   }
               }
           }
           signature.typeCheckStatus = TypeScript.TypeCheckStatus.Started;
           this.checker.addStartedPTO(signature);
           var prevScope = this.scope;
           var prevFnc = this.thisFnc;
           var prevMethodStatus = this.enclosingFncIsMethod;
           var prevClassNode = this.thisClassNode;
           this.enclosingFncIsMethod = funcDecl.isMethod() || funcDecl.isConstructor;
           this.thisFnc = funcDecl;
           var container = funcDecl.type.symbol;
           var prevThisType = this.thisType;
           var prevLocationInfo = this.checker.locationInfo;
           var funcTable = null;
           var acceptedContextualType = false;
           var targetParams = null;
           var targetReturnType = null;
           var isGetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor);
           var isSetter = funcDecl.isAccessor() && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.SetAccessor);
           var accessorType = (isGetter || isSetter) && funcDecl.accessorSymbol ? funcDecl.accessorSymbol.getType() : null;
           var prevModDecl = this.checker.currentModDecl;
           if(funcDecl.isConstructor && !funcDecl.isOverload) {
               if(fnType.instanceType == null) {
                   this.checker.errorReporter.simpleError(funcDecl, "Malformed function body (is this a class named the same as an existing interface?)");
                   return funcDecl;
               }
               this.scope = fnType.instanceType.constructorScope;
               var ssb = this.scope;
               funcTable = ssb.valueMembers.allMembers;
           } else {
               if((funcDecl.isSpecialFn() && !(funcDecl.fncFlags & TypeScript.FncFlags.Signature)) || funcDecl.isOverload) {
                   funcTable = funcDecl.symbols;
                   if(!TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Static) && fnType.containedScope) {
                       this.scope = fnType.containedScope;
                   }
               } else {
                   if(funcDecl.bod) {
                       this.scope = fnType.containedScope;
                   }
                   var ssb = this.scope;
                   if(ssb && ssb.valueMembers) {
                       funcTable = ssb.valueMembers.allMembers;
                   }
               }
           }
           if(funcDecl.isConstructor && funcDecl.bod && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod)) {
               var hasBaseType = TypeScript.hasFlag(funcDecl.classDecl.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseType);
               var noSuperCallAllowed = !hasBaseType || TypeScript.hasFlag(funcDecl.classDecl.type.instanceType.typeFlags, TypeScript.TypeFlags.HasBaseTypeOfObject);
               var superCallMustBeFirst = TypeScript.hasFlag((funcDecl.classDecl).varFlags, TypeScript.VarFlags.ClassSuperMustBeFirstCallInConstructor);
               if(noSuperCallAllowed && this.classConstructorHasSuperCall(funcDecl)) {
                   this.checker.errorReporter.simpleError(funcDecl, "Calls to 'super' constructor are not allowed in classes that either inherit directly from 'Object' or have no base class");
               } else {
                   if(hasBaseType) {
                       if(superCallMustBeFirst) {
                           if(!funcDecl.bod || !funcDecl.bod.members.length || !((funcDecl.bod.members[0].nodeType == TypeScript.NodeType.Call && (funcDecl.bod.members[0]).target.nodeType == TypeScript.NodeType.Super) || (TypeScript.hasFlag(funcDecl.bod.flags, TypeScript.ASTFlags.StrictMode) && funcDecl.bod.members.length > 1 && funcDecl.bod.members[1].nodeType == TypeScript.NodeType.Call && (funcDecl.bod.members[1]).target.nodeType == TypeScript.NodeType.Super))) {
                               this.checker.errorReporter.simpleError(funcDecl, "If a derived class contains initialized properties or constructor parameter properties, the first statement in the constructor body must be a call to the super constructor");
                           }
                       } else {
                           if(!this.classConstructorHasSuperCall(funcDecl)) {
                               this.checker.errorReporter.simpleError(funcDecl, "Constructors for derived classes must contain a call to the class's 'super' constructor");
                           }
                       }
                   }
               }
           }
           if(funcDecl.isMethod() && funcDecl.type.enclosingType) {
               var enclosingClassNode = null;
               if(funcDecl.type.enclosingType.symbol.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                   enclosingClassNode = (funcDecl.type.enclosingType.symbol.declAST).classDecl;
               } else {
                   if(funcDecl.type.enclosingType.symbol.declAST.nodeType == TypeScript.NodeType.ClassDeclaration) {
                       enclosingClassNode = funcDecl.type.enclosingType.symbol.declAST;
                   }
               }
               if(enclosingClassNode) {
                   this.thisClassNode = enclosingClassNode;
               }
           }
           if(fnType.enclosingType) {
               ; ;
               var enclosingSym = fnType.symbol.container;
               if(enclosingSym && enclosingSym.isType() && enclosingSym.getType().isClass()) {
                   enclosingSym = enclosingSym.container;
               }
               if(enclosingSym && enclosingSym.declAST && enclosingSym.declAST.nodeType == TypeScript.NodeType.ModuleDeclaration) {
                   this.checker.currentModDecl = enclosingSym.declAST;
               }
           }
           if(funcDecl.unitIndex > 0) {
               if(this.checker.units && (funcDecl.unitIndex < this.checker.units.length)) {
                   this.checker.locationInfo = this.checker.units[funcDecl.unitIndex];
               } else {
                   this.checker.locationInfo = TypeScript.unknownLocationInfo;
               }
           }
           if(fnType.enclosingType) {
               this.thisType = fnType.enclosingType;
           } else {
               this.thisType = prevThisType;
           }
           var paramLen = signature.parameters.length;
           if(!funcDecl.isConstructor && funcDecl.bod && !funcDecl.isSignature()) {
               var tmpParamScope = this.scope;
               var ssb = this.scope;
               if(!funcDecl.isMethod() && funcDecl.returnTypeAnnotation == null) {
                   if(prevScope && funcDecl.name && !funcDecl.name.isMissing()) {
                       var considerSym = prevScope.findAmbient(funcDecl.name.text, false, false);
                       if(considerSym && considerSym.declAST && considerSym.declAST.type) {
                           this.checker.setContextualType(considerSym.declAST.type, false);
                       }
                   }
                   if(this.checker.hasTargetType()) {
                       var candidateTypeContext = this.checker.getTargetTypeContext();
                       var candidateType = candidateTypeContext.contextualType;
                       if(this.checker.canContextuallyTypeFunction(candidateType, funcDecl, true)) {
                           var candidateSigs = candidateType.construct ? candidateType.construct : candidateType.call;
                           candidateTypeContext.targetSig = candidateSigs.signatures[0];
                           var candidateParams = candidateTypeContext.targetSig.parameters;
                           targetParams = candidateParams;
                           targetReturnType = candidateTypeContext.targetSig.returnType.type;
                           if(candidateTypeContext.targetSig.declAST) {
                               if(candidateTypeContext.targetSig.declAST.isConstructor) {
                                   funcDecl.isTargetTypedAsMethod = true;
                               } else {
                                   if(candidateTypeContext.targetSig.declAST.isMethod()) {
                                       funcDecl.isTargetTypedAsMethod = true;
                                   }
                               }
                           }
                           fgSym.type = candidateTypeContext.contextualType;
                           acceptedContextualType = true;
                       } else {
                           if(candidateType && funcDecl.isAccessor()) {
                               accessorType = candidateType;
                               candidateTypeContext.targetAccessorType = accessorType;
                           } else {
                               this.checker.killCurrentContextualType();
                           }
                       }
                   }
               }
               var paramTable = ssb.valueMembers;
               this.scope = new TypeScript.SymbolScopeBuilder(paramTable, null, null, null, prevScope, container);
               for(var p = 0; p < paramLen; p++) {
                   var symbol = signature.parameters[p];
                   var ast = symbol.declAST;
                   if(this.checker.hasTargetType() && (targetParams && (this.checker.getTargetTypeContext().targetSig.hasVariableArgList || p < targetParams.length))) {
                       var candidateTypeContext = this.checker.getTargetTypeContext();
                       var hasVarArgList = candidateTypeContext.targetSig.hasVariableArgList;
                       ast.type = hasVarArgList && p >= targetParams.length - 1 ? targetParams[targetParams.length - 1].getType().elementType : targetParams[p].getType();
                       ast.sym.setType(ast.type);
                       (ast.sym).typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                   } else {
                       this.typeCheck(ast);
                   }
                   if(isSetter && accessorType) {
                       ast = this.cast(ast, accessorType);
                   }
                   symbol.container = container;
                   this.checkTypePrivacy(symbol.getType(), container, function (typeName, isModuleName) {
                       return _this.functionArgumentPrivacyErrorReporter(funcDecl, p, symbol, typeName, isModuleName);
                   });
                   paramTable.publicMembers.add(symbol.name, symbol);
               }
               this.scope = tmpParamScope;
           } else {
               this.typeCheck(funcDecl.arguments);
               for(var p = 0; p < paramLen; p++) {
                   signature.parameters[p].parameter.typeLink.type = funcDecl.arguments.members[p].type;
                   this.checkTypePrivacy(signature.parameters[p].getType(), container, function (typeName, isModuleName) {
                       return _this.functionArgumentPrivacyErrorReporter(funcDecl, p, signature.parameters[p], typeName, isModuleName);
                   });
                   if((funcDecl.arguments.members[p]).parameterPropertySym) {
                       (funcDecl.arguments.members[p]).parameterPropertySym.setType(funcDecl.arguments.members[p].type);
                   }
               }
               if((funcDecl.fncFlags & TypeScript.FncFlags.IndexerMember)) {
                   if(!paramLen || paramLen > 1) {
                       this.checker.errorReporter.simpleError(funcDecl, "Index signatures may take one and only one parameter");
                   } else {
                       if(funcDecl.arguments.members[0].type == this.checker.numberType) {
                           fnType.index.flags |= TypeScript.SignatureFlags.IsNumberIndexer;
                       } else {
                           if(funcDecl.arguments.members[0].type == this.checker.stringType) {
                               fnType.index.flags |= TypeScript.SignatureFlags.IsStringIndexer;
                           } else {
                               this.checker.errorReporter.simpleError(funcDecl.arguments.members[0], "Index signatures may only take 'string' or 'number' as their parameter");
                           }
                       }
                   }
               }
           }
           if(funcDecl.bod && (!funcDecl.isSignature())) {
               if(!(funcDecl.isConstructor)) {
                   this.addFormals(container, signature, funcTable);
               } else {
                   this.addConstructorLocalArgs(funcDecl.type.symbol, funcDecl.arguments, funcTable, TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.ClassMethod));
                   if(this.thisClassNode && this.thisClassNode.extendsList) {
                       var tmpScope = this.scope;
                       var funcMembers = new TypeScript.ScopedMembers(funcTable);
                       this.scope = new TypeScript.FilteredSymbolScopeBuilder(funcMembers, prevScope, funcDecl.type.symbol, function (sym) {
                           return sym.kind() == TypeScript.SymbolKind.Parameter;
                       });
                       this.typeCheckBaseCalls(this.thisClassNode.extendsList);
                       this.scope = tmpScope;
                   }
               }
               var prevMod = this.checker.currentModDecl;
               if(funcDecl.type && funcDecl.type.symbol && !funcDecl.isMethod() && funcDecl.type.symbol.declModule) {
                   this.checker.currentModDecl = funcDecl.type.symbol.declModule;
               }
               if(acceptedContextualType) {
                   this.checker.setContextualType(null, this.checker.inProvisionalTypecheckMode());
               }
               this.typeCheck(funcDecl.bod);
               if(acceptedContextualType) {
                   this.checker.unsetContextualType();
               }
               this.checker.currentModDecl = prevMod;
               if(this.checker.checkControlFlow) {
                   var cfg = funcDecl.buildControlFlow();
                   if(this.checker.printControlFlowGraph) {
                       cfg.print(this.checker.errorReporter.outfile);
                   }
                   cfg.reportUnreachable(this.checker.errorReporter);
                   if(this.checker.checkControlFlowUseDef) {
                       cfg.useDef(this.checker.errorReporter, funcDecl.type.symbol);
                   }
               }
               if(funcDecl.isConstructor) {
                   var fns = funcDecl.scopes;
                   var fnsLen = fns.members.length;
                   var freeVars;
                   var sym;
                   var j = 0;
                   for(; j < fnsLen; j++) {
                       var fn = fns.members[j];
                       if(!fn.isSignature()) {
                           if(TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Method) && (!TypeScript.hasFlag(fn.fncFlags, TypeScript.FncFlags.Static))) {
                               this.checkPromoteFreeVars(fn, funcDecl.type.symbol);
                           }
                       }
                   }
               }
           }
           this.scope = prevScope;
           this.thisFnc = prevFnc;
           this.thisClassNode = prevClassNode;
           this.enclosingFncIsMethod = prevMethodStatus;
           this.thisType = prevThisType;
           this.checker.locationInfo = prevLocationInfo;
           this.checker.currentModDecl = prevModDecl;
           signature.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
           if(funcDecl.returnTypeAnnotation) {
               this.checkForVoidConstructor(funcDecl.returnTypeAnnotation.type, funcDecl.returnTypeAnnotation);
               if(signature.returnType.type == null) {
                   this.checker.resolveTypeLink(this.scope, signature.returnType, false);
               }
           } else {
               if(targetReturnType) {
                   signature.returnType.type = targetReturnType;
               }
           }
           if(!(fgSym.flags & TypeScript.SymbolFlags.RecursivelyReferenced) && funcDecl.returnStatementsWithExpressions.length > 0) {
               var collection = {
                   getLength: function () {
                       return funcDecl.returnStatementsWithExpressions.length;
                   },
                   setTypeAtIndex: function (index, type) {
                       funcDecl.returnStatementsWithExpressions[index].type = type;
                   },
                   getTypeAtIndex: function (index) {
                       return funcDecl.returnStatementsWithExpressions[index].type;
                   }
               };
               var bestCommonReturnType = funcDecl.returnStatementsWithExpressions[0].type;
               bestCommonReturnType = this.checker.findBestCommonType(bestCommonReturnType, null, collection, true);
               if(bestCommonReturnType) {
                   signature.returnType.type = this.checker.widenType(bestCommonReturnType);
               } else {
                   for(var i = 0; i < funcDecl.returnStatementsWithExpressions.length; i++) {
                       this.checker.errorReporter.simpleError(funcDecl.returnStatementsWithExpressions[i], "Incompatible return type");
                   }
                   signature.returnType.type = this.anyType;
               }
           }
           var onlyHasThrow = false;
           if(signature.returnType.type == null) {
               if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.HasReturnExpression)) {
                   if(this.checker.styleSettings.implicitAny) {
                       this.checker.errorReporter.styleError(funcDecl, "type implicitly set to 'any'");
                   }
                   signature.returnType.type = this.anyType;
               } else {
                   signature.returnType.type = this.voidType;
               }
           } else {
               if(signature.returnType.type == this.nullType || signature.returnType.type == this.checker.undefinedType) {
                   signature.returnType.type = this.anyType;
               } else {
                   if((signature.returnType.type != this.voidType && signature.returnType.type != this.checker.undefinedType && signature.returnType.type != this.anyType)) {
                       if(!funcDecl.isSignature() && !funcDecl.isConstructor && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.HasReturnExpression) && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.IsFatArrowFunction)) {
                           onlyHasThrow = (funcDecl.bod.members.length > 0) && (funcDecl.bod.members[0].nodeType == TypeScript.NodeType.Throw);
                           if(!onlyHasThrow) {
                               this.checker.errorReporter.simpleError(funcDecl.returnTypeAnnotation || funcDecl, "Function declared a non-void return type, but has no return expression");
                           }
                       }
                       this.checkTypePrivacy(signature.returnType.type, container, function (typeName, isModuleName) {
                           return _this.functionReturnTypePrivacyErrorReporter(funcDecl, signature, typeName, isModuleName);
                       });
                   }
               }
           }
           if(funcDecl.accessorSymbol) {
               var accessorType = funcDecl.accessorSymbol.getType();
               if(!onlyHasThrow && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor) && !TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.HasReturnExpression)) {
                   this.checker.errorReporter.simpleError(funcDecl, "Getters must return a value");
               }
               if(accessorType) {
                   if((TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor) && accessorType != signature.returnType.type) || (funcDecl.arguments.members.length > 0 && accessorType != funcDecl.arguments.members[0].type)) {
                       this.checker.errorReporter.simpleError(funcDecl, "Getter and setter types do not agree");
                   }
               } else {
                   if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
                       funcDecl.accessorSymbol.setType(signature.returnType.type);
                   } else {
                       if(funcDecl.arguments.members.length != 1) {
                           this.checker.errorReporter.simpleError(funcDecl, "Setters may have one and only one argument");
                       } else {
                           funcDecl.accessorSymbol.setType(funcDecl.arguments.members[0].type);
                       }
                   }
               }
           }
           this.typeCheckOverloadSignatures(fnType, funcDecl);
           return funcDecl;
       };
       TypeFlow.prototype.typeCheckBases = function (type) {
           var seenInterface = false;
           var bases = type.extendsList;
           var baseLinks = type.extendsTypeLinks;
           if(bases) {
               var len = bases.length;
               if(len > 0) {
                   type.typeFlags |= TypeScript.TypeFlags.HasBaseType;
               }
               for(var i = 0; i < len; i++) {
                   if(bases[i] == this.checker.anyType) {
                       baseLinks[i].type = null;
                       var oldErrors = this.checker.errorReporter.getCapturedErrors();
                       TypeScript.CompilerDiagnostics.assert(oldErrors.length == 0, "There shouldnt be any contextual errors when typechecking base type names");
                       this.checker.errorReporter.pushToErrorSink = true;
                       bases[i] = this.checker.resolveBaseTypeLink(baseLinks[i], type.containedScope);
                       this.checker.errorReporter.pushToErrorSink = false;
                       this.checker.errorReporter.freeCapturedErrors();
                   }
                   var base = bases[i];
                   var baseRef = baseLinks[i].ast;
                   var baseTypeOfObject = base.symbol && base.symbol.name == "Object" && base.symbol.container == this.checker.gloMod;
                   if(baseTypeOfObject) {
                       type.typeFlags |= TypeScript.TypeFlags.HasBaseTypeOfObject;
                   }
                   if(base.isClassInstance()) {
                       if(!(type.isClassInstance())) {
                           this.checker.errorReporter.simpleError(baseRef, "Interface base type must be interface");
                       } else {
                           if(seenInterface) {
                               this.checker.errorReporter.simpleError(baseRef, "Class may not follow interface as base type");
                           }
                       }
                   } else {
                       if(base.isModuleType()) {
                           this.checker.errorReporter.simpleError(baseRef, "Types may not be derived from module types");
                       } else {
                           if(base.members) {
                               if(!seenInterface) {
                                   seenInterface = true;
                               }
                           } else {
                               if(!(type.isClassInstance())) {
                                   this.checker.errorReporter.simpleError(baseRef, "Interface base type must be interface");
                               } else {
                                   this.checker.errorReporter.simpleError(baseRef, "Base type must be interface or class");
                               }
                               break;
                           }
                       }
                   }
               }
           }
       };
       TypeFlow.prototype.checkMembersImplementInterfaces = function (implementingType) {
           var instanceType = implementingType.getInstanceType();
           if(instanceType.implementsList) {
               var len = instanceType.implementsList.length;
               for(var i = 0; i < len; i++) {
                   var interfaceType = instanceType.implementsList[i];
                   var comparisonInfo = new TypeScript.TypeComparisonInfo();
                   if(!this.checker.sourceIsSubtypeOfTarget(instanceType, interfaceType, comparisonInfo)) {
                       var emsg = "Class '" + instanceType.getTypeName() + "' declares interface '" + interfaceType.getTypeName() + "' but does not implement it";
                       if(!comparisonInfo.message) {
                           this.checker.errorReporter.simpleErrorFromSym(instanceType.symbol, emsg);
                       } else {
                           this.checker.errorReporter.simpleErrorFromSym(instanceType.symbol, emsg + ": " + comparisonInfo.message);
                       }
                   }
               }
           }
       };
       TypeFlow.prototype.typeCheckBaseCalls = function (bases) {
           if(bases == null) {
               return;
           }
           var basesLen = bases.members.length;
           for(var i = 0; i < basesLen; i++) {
               var baseExpr = bases.members[i];
               var baseSymbol = null;
               if(baseExpr.nodeType == TypeScript.NodeType.Call) {
                   this.typeCheckNew(baseExpr);
               }
           }
       };
       TypeFlow.prototype.assertUniqueNamesInBaseTypes = function (names, type, classDecl, checkUnique) {
           var _this = this;
           if(type) {
               if(type.members) {
                   type.members.publicMembers.map(function (key, s, c) {
                       var sym = s;
                       var dup = names.lookup(sym.name);
                       if(dup) {
                           if(checkUnique) {
                               _this.checker.errorReporter.simpleError(classDecl, "duplicate member name in bases for " + classDecl.name.actualText + ": " + type.symbol.name + " and " + dup.container.name + " both contain member with name " + sym.name);
                           }
                       } else {
                           names.add(sym.name, sym);
                       }
                   }, null);
               }
               if(type.extendsList) {
                   var len = type.extendsList.length;
                   for(var i = 0; i < len; i++) {
                       if(!(type.extendsList[i].symbol.flags & TypeScript.SymbolFlags.RecursivelyReferenced)) {
                           this.assertUniqueNamesInBaseTypes(names, type.extendsList[i], classDecl, checkUnique);
                       }
                   }
               }
           }
       };
       TypeFlow.prototype.checkBaseTypeMemberInheritance = function (derivedType, derivedTypeDecl) {
           var _this = this;
           var instanceType = derivedType.getInstanceType();
           if(instanceType.extendsList == null) {
               return;
           }
           var len = instanceType.extendsList.length;
           if(len > 0) {
               var names = new TypeScript.StringHashTable();
               if(instanceType.isClassInstance()) {
                   for(var i = 0; i < len; i++) {
                       this.assertUniqueNamesInBaseTypes(names, instanceType.extendsList[i], derivedTypeDecl, i > 0);
                   }
               }
               if(instanceType.members) {
                   instanceType.members.publicMembers.map(function (key, s, c) {
                       var sym = s;
                       for(var j = 0; j < len; j++) {
                           var base = instanceType.extendsList[j];
                           if(base.memberScope == null) {
                               _this.checker.errorReporter.simpleError(derivedTypeDecl, "Base type '" + base.symbol.name + "' lacks an implementation.");
                           } else {
                               var bSym = base.memberScope.find(sym.name, false, false);
                               if(bSym) {
                                   var aType = sym.getType();
                                   var bType = bSym.getType();
                                   if(!(_this.checker.sourceIsSubtypeOfTarget(aType, bType))) {
                                       _this.checker.errorReporter.simpleErrorFromSym(sym, "Type of overridden member '" + sym.name + "' is not subtype of original member defined by type '" + bSym.container.name + "'");
                                   } else {
                                       if((sym.kind() == TypeScript.SymbolKind.Type) && (bSym.kind() == TypeScript.SymbolKind.Field)) {
                                           _this.checker.errorReporter.simpleErrorFromSym(sym, "Cannot override field '" + sym.name + "' with method");
                                       }
                                   }
                               }
                           }
                       }
                   }, null);
               }
           }
       };
       TypeFlow.prototype.typeCheckClass = function (classDecl) {
           var typeSymbol = classDecl.type.symbol;
           if(typeSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.Finished) {
               return classDecl;
           } else {
               if(typeSymbol.typeCheckStatus == TypeScript.TypeCheckStatus.Started) {
                   return classDecl;
               } else {
                   typeSymbol.typeCheckStatus = TypeScript.TypeCheckStatus.Started;
                   this.checker.addStartedPTO(typeSymbol);
               }
           }
           var prevScope = this.scope;
           var svClassNode = this.thisClassNode;
           this.thisClassNode = classDecl;
           var classType = classDecl.type;
           this.typeCheckBases(classType.instanceType);
           this.typeCheckBaseListPrivacy(classDecl.extendsList, typeSymbol, true);
           this.typeCheckBaseListPrivacy(classDecl.implementsList, typeSymbol, false);
           var prevThisType = this.thisType;
           this.thisType = classType.instanceType;
           this.scope = classType.instanceType.containedScope;
           if(classDecl.constructorDecl) {
               this.scope = classType.instanceType.constructorScope;
               var ssb = this.scope;
               var funcTable = ssb.valueMembers.allMembers;
               this.addConstructorLocalArgs(classDecl.constructorDecl.type.symbol, classDecl.constructorDecl.arguments, funcTable, true);
           }
           this.typeCheck(classDecl.members);
           typeSymbol.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
           this.checkBaseTypeMemberInheritance(classType, classDecl);
           this.checkMembersImplementInterfaces(classType);
           this.typeCheckOverloadSignatures(classType, classDecl);
           this.typeCheckOverloadSignatures(classType.instanceType, classDecl);
           if(!classDecl.constructorDecl) {
               if(classDecl.extendsList && classDecl.extendsList.members.length && classDecl.extendsList.members[0].type && classDecl.extendsList.members[0].type.symbol.type.isClass()) {
                   TypeScript.cloneParentConstructGroupForChildType(classDecl.type, classDecl.extendsList.members[0].type.symbol.type);
               }
           }
           this.thisType = prevThisType;
           this.thisClassNode = svClassNode;
           this.scope = prevScope;
           return classDecl;
       };
       TypeFlow.prototype.typeCheckOverloadSignatures = function (type, ast) {
           if(type.call) {
               type.call.typeCheck(this.checker, ast, type.construct != null);
           }
           if(type.construct) {
               type.construct.typeCheck(this.checker, ast, false);
           }
           if(type.index) {
               type.index.typeCheck(this.checker, ast, false);
           }
       };
       TypeFlow.prototype.typeCheckInterface = function (interfaceDecl) {
           this.typeCheckBases(interfaceDecl.type);
           this.typeCheckBaseListPrivacy(interfaceDecl.extendsList, interfaceDecl.type.symbol, true);
           this.typeCheck(interfaceDecl.members);
           this.checkBaseTypeMemberInheritance(interfaceDecl.type, interfaceDecl);
           if(interfaceDecl.extendsList) {
               for(var i = 0; i < interfaceDecl.extendsList.members.length; i++) {
                   if(interfaceDecl.extendsList.members[i].type.call) {
                       if(interfaceDecl.type.call) {
                           interfaceDecl.type.call.signatures = interfaceDecl.type.call.signatures.concat(interfaceDecl.extendsList.members[i].type.call.signatures);
                       } else {
                           interfaceDecl.type.call = interfaceDecl.extendsList.members[i].type.call;
                       }
                   }
                   if(interfaceDecl.extendsList.members[i].type.construct) {
                       if(interfaceDecl.type.construct) {
                           interfaceDecl.type.construct.signatures = interfaceDecl.type.construct.signatures.concat(interfaceDecl.extendsList.members[i].type.construct.signatures);
                       } else {
                           interfaceDecl.type.construct = interfaceDecl.extendsList.members[i].type.construct;
                       }
                   }
                   if(interfaceDecl.extendsList.members[i].type.index) {
                       if(interfaceDecl.type.index) {
                           interfaceDecl.type.index.signatures = interfaceDecl.type.index.signatures.concat(interfaceDecl.extendsList.members[i].type.index.signatures);
                       } else {
                           interfaceDecl.type.index = interfaceDecl.extendsList.members[i].type.index;
                       }
                   }
               }
           }
           return interfaceDecl;
       };
       TypeFlow.prototype.typeCheckImportDecl = function (importDecl) {
           var mod = importDecl.alias.type;
           var sym = null;
           var prevInImportTC = this.inImportTypeCheck;
           this.inImportTypeCheck = true;
           this.typeCheck(importDecl.alias);
           mod = importDecl.alias.type;
           if(mod == null) {
               this.checker.errorReporter.simpleError(importDecl.alias, "Could not resolve module alias '" + importDecl.id.actualText + "'");
               mod = this.checker.anyType;
               (importDecl.id.sym).type = mod;
           }
           importDecl.id.type = mod;
           sym = mod.symbol;
           if(!mod.isModuleType()) {
               this.checker.errorReporter.simpleError(importDecl.alias, "A module cannot be aliased to a non-module type");
           } else {
               sym.type = mod;
               if(this.checker.typeFlow.currentScript && this.checker.typeFlow.currentScript.topLevelMod && this.checker.typeFlow.currentScript.topLevelMod.mod) {
                   this.checker.typeFlow.currentScript.topLevelMod.mod.importedModules.push(importDecl);
               }
               (importDecl.id.sym).type = mod;
               if(mod.symbol && mod.symbol.declAST) {
                   (mod.symbol.declAST).modFlags &= ~TypeScript.ModuleFlags.ShouldEmitModuleDecl;
               }
           }
           this.inImportTypeCheck = prevInImportTC;
           return importDecl;
       };
       TypeFlow.prototype.typeCheckModule = function (moduleDecl) {
           if(!moduleDecl.mod) {
               return moduleDecl;
           }
           if(this.currentScript) {
               this.currentScript.requiresGlobal = true;
           }
           var mod = moduleDecl.mod;
           var sym = null;
           var prevScope = this.scope;
           var prevThisType = this.thisType;
           var prevCurrentModDecl = this.checker.currentModDecl;
           this.checker.currentModDecl = moduleDecl;
           this.thisType = null;
           this.scope = mod.containedScope;
           this.typeCheck(moduleDecl.members);
           sym = mod.symbol;
           this.checker.currentModDecl = prevCurrentModDecl;
           this.thisType = prevThisType;
           this.scope = prevScope;
           moduleDecl.type = mod;
           if(sym) {
               sym.typeCheckStatus = TypeScript.TypeCheckStatus.Finished;
           }
           return moduleDecl;
       };
       TypeFlow.prototype.typeCheckFor = function (forStmt) {
           forStmt.init = this.typeCheck(forStmt.init);
           this.nestingLevel++;
           forStmt.cond = this.typeCheck(forStmt.cond);
           this.typeCheckCondExpr(forStmt.cond);
           forStmt.incr = this.typeCheck(forStmt.incr);
           this.nestingLevel--;
           forStmt.body = this.typeCheck(forStmt.body);
           this.typeCheckCompoundStmtBlock(forStmt.body, "for statement");
           forStmt.type = this.voidType;
           return forStmt;
       };
       TypeFlow.prototype.typeCheckWith = function (withStmt) {
           if(this.checker.errorsOnWith) {
               this.checker.errorReporter.simpleError(withStmt.expr, "All symbols within a 'with' block will be typed as 'any'");
           }
           withStmt.expr = this.typeCheck(withStmt.expr);
           this.checker.inWith = true;
           withStmt.body = this.typeCheck(withStmt.body);
           this.typeCheckCompoundStmtBlock(withStmt.body, "with statement");
           this.checker.inWith = false;
           return withStmt;
       };
       TypeFlow.prototype.typeCheckForIn = function (forInStmt) {
           forInStmt.obj = this.typeCheck(forInStmt.obj);
           forInStmt.lval = this.cast(this.typeCheck(forInStmt.lval), this.checker.stringType);
           if(forInStmt.lval.nodeType == TypeScript.NodeType.VarDecl) {
               var varDecl = forInStmt.lval;
               if(varDecl.typeExpr) {
                   this.checker.errorReporter.simpleError(varDecl, "Variable declarations for for/in expressions may not contain a type annotation");
               }
               if(varDecl.sym) {
                   varDecl.sym.setType(this.checker.stringType);
               }
           }
           forInStmt.body = this.typeCheck(forInStmt.body);
           this.typeCheckCompoundStmtBlock(forInStmt.body, "for in statement");
           return forInStmt;
       };
       TypeFlow.prototype.typeCheckWhile = function (whileStmt) {
           whileStmt.cond = this.typeCheck(whileStmt.cond);
           this.typeCheckCondExpr(whileStmt.cond);
           whileStmt.body = this.typeCheck(whileStmt.body);
           this.typeCheckCompoundStmtBlock(whileStmt.body, "while statement");
           whileStmt.type = this.voidType;
           return whileStmt;
       };
       TypeFlow.prototype.typeCheckDoWhile = function (doWhileStmt) {
           doWhileStmt.cond = this.typeCheck(doWhileStmt.cond);
           this.typeCheckCondExpr(doWhileStmt.cond);
           doWhileStmt.body = this.typeCheck(doWhileStmt.body);
           this.typeCheckCompoundStmtBlock(doWhileStmt.body, "do while statement");
           doWhileStmt.type = this.voidType;
           return doWhileStmt;
       };
       TypeFlow.prototype.typeCheckCondExpr = function (cond) {
           if(this.checker.styleSettings.assignmentInCond) {
               if((cond !== null) && (cond.nodeType >= TypeScript.NodeType.Asg) && (cond.nodeType <= TypeScript.NodeType.LastAsg)) {
                   this.checker.errorReporter.simpleError(cond, "top-level assignment statement in conditional expression");
               }
           }
       };
       TypeFlow.prototype.typeCheckCompoundStmtBlock = function (stmts, stmtType) {
           if(this.checker.styleSettings.blockInCompoundStmt && stmts) {
               if(stmts.nodeType != TypeScript.NodeType.Block) {
                   this.checker.errorReporter.styleError(stmts, stmtType + " requires a block");
               }
           }
       };
       TypeFlow.prototype.typeCheckIf = function (ifStmt) {
           ifStmt.cond = this.typeCheck(ifStmt.cond);
           this.typeCheckCondExpr(ifStmt.cond);
           ifStmt.thenBod = this.typeCheck(ifStmt.thenBod);
           ifStmt.elseBod = this.typeCheck(ifStmt.elseBod);
           this.typeCheckCompoundStmtBlock(ifStmt.thenBod, "if statement");
           this.typeCheckCompoundStmtBlock(ifStmt.elseBod, "if statement");
           ifStmt.type = this.voidType;
           return ifStmt;
       };
       TypeFlow.prototype.typeFromAccessorFuncDecl = function (funcDecl) {
           if(!funcDecl.isAccessor()) {
               return null;
           }
           if(TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.GetAccessor)) {
               return funcDecl.type.call.signatures[0].returnType.type;
           } else {
               return funcDecl.type.call.signatures[0].parameters[0].getType();
           }
       };
       TypeFlow.prototype.typeCheckObjectLit = function (objectLit) {
           var resultType = new TypeScript.Type();
           resultType.symbol = new TypeScript.TypeSymbol(this.checker.anon, objectLit.minChar, objectLit.limChar - objectLit.minChar, this.checker.locationInfo.unitIndex, resultType);
           resultType.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
           resultType.memberScope = new TypeScript.SymbolTableScope(resultType.members, null, null, null, null);
           var aggScope = new TypeScript.SymbolAggregateScope(resultType.symbol);
           aggScope.addParentScope(resultType.memberScope);
           aggScope.addParentScope(this.scope);
           resultType.containedScope = aggScope;
           var memberDecls = objectLit.operand;
           var prevThisType = this.thisType;
           var acceptTargetType = false;
           var targetType = null;
           if(this.checker.hasTargetType()) {
               targetType = this.checker.getTargetTypeContext().contextualType;
               if(targetType && targetType.symbol && !this.checker.typeStatusIsFinished(targetType.symbol.typeCheckStatus)) {
                   if(targetType.symbol.declAST) {
                       this.typeCheck(targetType.symbol.declAST);
                   }
               }
               acceptTargetType = true;
           }
           if(memberDecls) {
               for(var i = 0, len = memberDecls.members.length; i < len; i++) {
                   var binex = memberDecls.members[i];
                   var id = binex.operand1;
                   var text;
                   var targetMember = null;
                   var fieldSymbol = null;
                   if(id.nodeType == TypeScript.NodeType.Name) {
                       text = (id).text;
                   } else {
                       if(id.nodeType == TypeScript.NodeType.QString) {
                           var idText = (id).text;
                           text = idText.substring(1, idText.length - 1);
                       } else {
                           this.checker.errorReporter.simpleError(objectLit, "malformed object literal");
                           resultType = this.anyType;
                           break;
                       }
                   }
                   if(acceptTargetType && targetType.memberScope) {
                       targetMember = targetType.memberScope.find(text, false, false);
                   }
                   if(binex.operand2.nodeType == TypeScript.NodeType.FuncDecl && (binex.operand2).isAccessor()) {
                       var funcDecl = binex.operand2;
                       var accessorSym = resultType.members.publicMembers.lookup(text);
                       accessorSym = this.checker.createAccessorSymbol(funcDecl, accessorSym, resultType, true, false, resultType.memberScope, null);
                       funcDecl.accessorSymbol = accessorSym;
                       fieldSymbol = accessorSym;
                       if(id.nodeType == TypeScript.NodeType.Name) {
                           (id).sym = accessorSym;
                       }
                   }
                   this.checker.typeCheckWithContextualType(acceptTargetType && targetMember ? targetMember.getType() : null, false, acceptTargetType, binex.operand2);
                   if(acceptTargetType && targetMember) {
                       if((binex.operand2.type == this.anyType || this.checker.sourceIsAssignableToTarget(binex.operand2.type, targetMember.getType())) || (binex.operand2.nodeType == TypeScript.NodeType.FuncDecl && (binex.operand2).isAccessor() && this.typeFromAccessorFuncDecl(binex.operand2) == targetMember.getType())) {
                           binex.operand1.type = targetMember.getType();
                       }
                   } else {
                       binex.operand2.type = binex.operand2.type == this.checker.undefinedType ? this.anyType : binex.operand2.type;
                   }
                   if(fieldSymbol == null) {
                       var memberType = binex.operand2.type;
                       var field = new TypeScript.ValueLocation();
                       fieldSymbol = new TypeScript.FieldSymbol(text, id.minChar, this.checker.locationInfo.unitIndex, true, field);
                       fieldSymbol.flags |= TypeScript.SymbolFlags.Property;
                       field.symbol = fieldSymbol;
                       fieldSymbol.typeCheckStatus = this.checker.getTypeCheckFinishedStatus();
                       field.typeLink = new TypeScript.TypeLink();
                       field.typeLink.type = memberType;
                       resultType.members.publicMembers.add(text, fieldSymbol);
                   }
                   fieldSymbol.isObjectLitField = true;
               }
           }
           this.thisType = prevThisType;
           objectLit.type = resultType;
           if(targetType) {
               objectLit.targetType = targetType;
           }
       };
       TypeFlow.prototype.typeCheckArrayLit = function (arrayLit) {
           var elements = arrayLit.operand;
           var elementType = this.anyType;
           var targetElementType = null;
           var comparisonInfo = new TypeScript.TypeComparisonInfo();
           comparisonInfo.onlyCaptureFirstError = true;
           if(this.checker.hasTargetType()) {
               var targetType = this.checker.getTargetTypeContext().contextualType;
               if(targetType.elementType) {
                   targetElementType = targetType.elementType;
               }
           }
           if(elements) {
               var prevInArrayElemTypeCheck = this.inArrayElementTypeCheck;
               this.inArrayElementTypeCheck = true;
               this.checker.typeCheckWithContextualType(targetElementType, this.checker.inProvisionalTypecheckMode(), targetElementType != null, elements);
               this.inArrayElementTypeCheck = prevInArrayElemTypeCheck;
               elementType = elements.members[0].type;
               var collection = {
                   getLength: function () {
                       return elements.members.length;
                   },
                   setTypeAtIndex: function (index, type) {
                       elements.members[index].type = type;
                   },
                   getTypeAtIndex: function (index) {
                       return elements.members[index].type;
                   }
               };
               elementType = this.checker.findBestCommonType(elementType, targetElementType, collection, false, comparisonInfo);
               if(elementType == this.checker.undefinedType || (!prevInArrayElemTypeCheck && elementType == this.nullType)) {
                   elementType = this.anyType;
               }
           }
           if(!elementType) {
               var emsg = "Incompatible types in array literal expression";
               if(!comparisonInfo.message) {
                   this.checker.errorReporter.simpleError(arrayLit, emsg);
               } else {
                   this.checker.errorReporter.simpleError(arrayLit, emsg + ": " + comparisonInfo.message);
               }
               elementType = this.anyType;
           } else {
               if(targetElementType) {
                   if(this.checker.sourceIsAssignableToTarget(elementType, targetElementType)) {
                       elementType = targetElementType;
                   }
               }
           }
           arrayLit.type = this.checker.makeArrayType(elementType);
       };
       TypeFlow.prototype.checkForVoidConstructor = function (type, ast) {
           if(type && type.construct && type.construct.signatures.length > 0) {
               for(var i = 0; i < type.construct.signatures.length; i++) {
                   if(type.construct.signatures[i].returnType.type == this.checker.voidType) {
                       this.checker.errorReporter.simpleError(ast, "Constructors may not have a return type of 'void'");
                       break;
                   }
               }
           }
       };
       TypeFlow.prototype.typeCheckReturn = function (returnStmt) {
           if(this.thisFnc) {
               var targetType = null;
               if(this.checker.hasTargetType()) {
                   var tcContext = this.checker.getTargetTypeContext();
                   var accessorType = tcContext.targetAccessorType;
                   if(accessorType) {
                       targetType = accessorType;
                   } else {
                       var targetSig = this.checker.getTargetTypeContext().targetSig;
                       if(targetSig && targetSig.returnType.type != this.voidType) {
                           targetType = targetSig.returnType.type;
                       }
                   }
               }
               if(returnStmt.returnExpression) {
                   this.thisFnc.fncFlags |= TypeScript.FncFlags.HasReturnExpression;
                   if(targetType == null && this.thisFnc.returnTypeAnnotation && this.thisFnc.returnTypeAnnotation.type && this.thisFnc.returnTypeAnnotation.type != this.voidType) {
                       targetType = this.thisFnc.returnTypeAnnotation.type;
                   }
                   this.checker.typeCheckWithContextualType(targetType, this.checker.inProvisionalTypecheckMode(), targetType != null, returnStmt.returnExpression);
                   var expectedReturnType = (this.thisFnc.returnTypeAnnotation && this.thisFnc.returnTypeAnnotation.type) ? this.thisFnc.returnTypeAnnotation.type : targetType;
                   if(expectedReturnType) {
                       if(expectedReturnType == this.voidType && returnStmt.returnExpression.type != this.voidType) {
                           this.checker.errorReporter.simpleError(returnStmt, "Return with value expression in void function");
                           returnStmt.type = returnStmt.returnExpression.type;
                       } else {
                           returnStmt.returnExpression = this.cast(returnStmt.returnExpression, expectedReturnType);
                           returnStmt.type = expectedReturnType;
                       }
                   } else {
                       if(targetType) {
                           if(returnStmt.returnExpression.type != this.voidType) {
                               returnStmt.returnExpression = this.cast(returnStmt.returnExpression, targetType);
                           } else {
                               returnStmt.returnExpression.type = targetType;
                           }
                       }
                       returnStmt.type = returnStmt.returnExpression.type;
                   }
                   this.thisFnc.returnStatementsWithExpressions[this.thisFnc.returnStatementsWithExpressions.length] = returnStmt;
               } else {
                   returnStmt.type = targetType == null ? this.checker.voidType : targetType;
               }
           }
           return returnStmt;
       };
       TypeFlow.prototype.typeCheckInstOf = function (ast) {
           var binex = ast;
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           if(!((binex.operand1.type == this.checker.anyType || this.checker.sourceIsSubtypeOfTarget(binex.operand1.type, this.objectInterfaceType)) && (binex.operand2.type == this.anyType || this.checker.sourceIsSubtypeOfTarget(binex.operand2.type, this.functionInterfaceType)))) {
               this.checker.errorReporter.simpleError(ast, "The instanceof operator requires the left operand to be of type Any or an object type, and the right operand to be of type Any or a subtype of the Function interface type");
           }
           binex.type = this.booleanType;
           return binex;
       };
       TypeFlow.prototype.typeCheckCommaOperator = function (ast) {
           var binex = ast;
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           binex.type = binex.operand2.type;
           return binex;
       };
       TypeFlow.prototype.typeCheckLogOr = function (binex) {
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           var leftType = binex.operand1.type;
           var rightType = binex.operand2.type;
           if(leftType == this.checker.anyType || rightType == this.checker.anyType) {
               binex.type = this.checker.anyType;
           } else {
               if(leftType == this.checker.booleanType) {
                   if(rightType == this.checker.booleanType) {
                       binex.type = this.checker.booleanType;
                   } else {
                       binex.type = this.checker.anyType;
                   }
               } else {
                   if(leftType == this.checker.numberType) {
                       if(rightType == this.checker.numberType) {
                           binex.type = this.checker.numberType;
                       } else {
                           binex.type = this.checker.anyType;
                       }
                   } else {
                       if(leftType == this.checker.stringType) {
                           if(rightType == this.checker.stringType) {
                               binex.type = this.checker.stringType;
                           } else {
                               binex.type = this.checker.anyType;
                           }
                       } else {
                           if(this.checker.sourceIsSubtypeOfTarget(leftType, rightType)) {
                               binex.type = rightType;
                           } else {
                               if(this.checker.sourceIsSubtypeOfTarget(rightType, leftType)) {
                                   binex.type = leftType;
                               } else {
                                   binex.type = this.checker.anyType;
                               }
                           }
                       }
                   }
               }
           }
           return binex;
       };
       TypeFlow.prototype.typeCheckLogAnd = function (binex) {
           binex.operand1 = this.typeCheck(binex.operand1);
           binex.operand2 = this.typeCheck(binex.operand2);
           binex.type = binex.operand2.type;
           return binex;
       };
       TypeFlow.prototype.tryAddCandidates = function (signature, actuals, exactCandidates, conversionCandidates, comparisonInfo) {
           var lowerBound = signature.nonOptionalParameterCount;
           var upperBound = signature.parameters.length;
           var formalLen = lowerBound;
           var acceptable = false;
           if((actuals.length >= lowerBound) && (signature.hasVariableArgList || actuals.length <= upperBound)) {
               formalLen = (signature.hasVariableArgList ? signature.parameters.length : actuals.length);
               acceptable = true;
           }
           var repeatType = null;
           if(acceptable || signature.hasVariableArgList) {
               if(signature.hasVariableArgList) {
                   formalLen -= 1;
                   repeatType = (signature.parameters[formalLen]).parameter.typeLink.type;
                   repeatType = repeatType.elementType;
                   acceptable = actuals.length >= formalLen;
               }
               var len = actuals.length;
               var exact = acceptable;
               var convert = acceptable;
               for(var i = 0; i < len; i++) {
                   var typeA;
                   if(i < formalLen) {
                       typeA = (signature.parameters[i]).parameter.typeLink.type;
                   } else {
                       typeA = repeatType;
                   }
                   var typeB = actuals[i];
                   if(!typeA || !typeB || !(this.checker.typesAreIdentical(typeA, typeB))) {
                       exact = false;
                   }
                   if(!this.checker.sourceIsAssignableToTarget(typeB, typeA, comparisonInfo)) {
                       convert = false;
                   }
                   if(!(exact || convert)) {
                       break;
                   }
               }
               if(exact) {
                   exactCandidates[exactCandidates.length] = signature;
               } else {
                   if(convert && (exactCandidates.length == 0)) {
                       conversionCandidates[conversionCandidates.length] = signature;
                   }
               }
           }
       };
       TypeFlow.prototype.resolveOverload = function (application, group) {
           var rd = this.resolutionDataCache.getResolutionData();
           var actuals = rd.actuals;
           var exactCandidates = rd.exactCandidates;
           var conversionCandidates = rd.conversionCandidates;
           var candidate = null;
           var hasOverloads = group.signatures.length > 1;
           var comparisonInfo = new TypeScript.TypeComparisonInfo();
           var args = null;
           var target = null;
           if(application.nodeType == TypeScript.NodeType.Call || application.nodeType == TypeScript.NodeType.New) {
               var callEx = application;
               args = callEx.arguments;
               target = callEx.target;
               if(callEx.arguments) {
                   var len = callEx.arguments.members.length;
                   for(var i = 0; i < len; i++) {
                       actuals[i] = callEx.arguments.members[i].type;
                   }
               }
           } else {
               if(application.nodeType == TypeScript.NodeType.Index) {
                   var binExp = application;
                   target = binExp.operand1;
                   args = new TypeScript.ASTList();
                   args.members[0] = binExp.operand2;
                   actuals[0] = binExp.operand2.type;
               }
           }
           for(var j = 0, groupLen = group.signatures.length; j < groupLen; j++) {
               var signature = group.signatures[j];
               if(hasOverloads && signature == group.definitionSignature && !this.checker.canCallDefinitionSignature) {
                   continue;
               }
               if(!signature.returnType.type && signature.declAST && (signature.typeCheckStatus != TypeScript.TypeCheckStatus.Finished)) {
                   this.typeCheckFunction(signature.declAST);
               }
               this.tryAddCandidates(signature, actuals, exactCandidates, conversionCandidates, comparisonInfo);
           }
           if(exactCandidates.length == 0) {
               var applicableCandidates = this.checker.getApplicableSignatures(conversionCandidates, args, comparisonInfo);
               if(applicableCandidates.length > 0) {
                   var candidateInfo = this.checker.findMostApplicableSignature(applicableCandidates, args);
                   if(candidateInfo.ambiguous) {
                       this.checker.errorReporter.simpleError(target, "Ambiguous call expression - could not choose overload");
                   }
                   candidate = candidateInfo.sig;
               } else {
                   var emsg = "Supplied parameters do not match any signature of call target";
                   if(comparisonInfo.message) {
                       this.checker.errorReporter.simpleError(target, emsg + ":\n\t" + comparisonInfo.message);
                   } else {
                       this.checker.errorReporter.simpleError(target, emsg);
                   }
               }
           } else {
               if(exactCandidates.length > 1) {
                   var applicableSigs = [];
                   for(var i = 0; i < exactCandidates.length; i++) {
                       applicableSigs[i] = {
                           signature: exactCandidates[i],
                           hadProvisionalErrors: false
                       };
                   }
                   var candidateInfo = this.checker.findMostApplicableSignature(applicableSigs, args);
                   if(candidateInfo.ambiguous) {
                       this.checker.errorReporter.simpleError(target, "Ambiguous call expression - could not choose overload");
                   }
                   candidate = candidateInfo.sig;
               } else {
                   candidate = exactCandidates[0];
               }
           }
           this.resolutionDataCache.returnResolutionData(rd);
           return candidate;
       };
       TypeFlow.prototype.typeCheckNew = function (ast) {
           var callEx = ast;
           callEx.target = this.typeCheck(callEx.target);
           var target = callEx.target;
           if(target.type.construct || target.type.call) {
               this.preTypeCheckCallArgs(callEx.arguments);
           } else {
               callEx.arguments = this.typeCheck(callEx.arguments);
           }
           if(target.type == this.anyType) {
               callEx.type = this.anyType;
               callEx.arguments = this.typeCheck(callEx.arguments);
           } else {
               if(target.type.construct) {
                   var signature = this.resolveOverload(callEx, target.type.construct);
                   if(signature == null) {
                       callEx.type = this.anyType;
                   } else {
                       if(signature.returnType.type == this.voidType) {
                           callEx.type = this.anyType;
                           callEx.signature = signature;
                       } else {
                           callEx.type = signature.returnType.type;
                           callEx.signature = signature;
                       }
                   }
               } else {
                   if(target.type.call) {
                       var signature = this.resolveOverload(callEx, target.type.call);
                       if(signature == null) {
                           callEx.type = this.anyType;
                       } else {
                           if((signature.returnType.type == this.voidType) || (signature.returnType.type == this.anyType)) {
                               callEx.type = this.anyType;
                               callEx.signature = signature;
                           } else {
                               this.checker.errorReporter.simpleError(callEx.target, "new expression only valid on constructors");
                           }
                       }
                   } else {
                       if(target.type.elementType) {
                           callEx.type = target.type;
                       } else {
                           this.checker.errorReporter.invalidCall(callEx, callEx.nodeType, this.scope);
                           callEx.type = this.anyType;
                       }
                   }
               }
           }
           this.postTypeCheckCallArgs(callEx);
           return callEx;
       };
       TypeFlow.prototype.preTypeCheckCallArgs = function (args) {
           if(!args) {
               return;
           }
           for(var i = 0; i < args.members.length; i++) {
               switch(args.members[i].nodeType) {
                   case TypeScript.NodeType.FuncDecl:
                   case TypeScript.NodeType.ObjectLit:
                   case TypeScript.NodeType.ArrayLit: {
                       continue;

                   }
                   default: {
                       this.typeCheck(args.members[i]);
                       break;

                   }
               }
           }
       };
       TypeFlow.prototype.postTypeCheckCallArgs = function (callEx) {
           var acceptedTargetType = false;
           var i = 0;
           if(callEx.target && callEx.target.type && callEx.signature && callEx.arguments) {
               var sig = callEx.signature;
               if(sig && callEx.arguments.members.length >= sig.nonOptionalParameterCount) {
                   acceptedTargetType = true;
                   var targetType = null;
                   var nonVarArgFormalParamLength = sig.hasVariableArgList ? sig.parameters.length - 1 : sig.parameters.length;
                   var nonVarArgActualParamLength = callEx.arguments.members.length < nonVarArgFormalParamLength ? callEx.arguments.members.length : nonVarArgFormalParamLength;
                   for(i = 0; i < nonVarArgActualParamLength; i++) {
                       targetType = sig.parameters[i].getType();
                       switch(callEx.arguments.members[i].nodeType) {
                           case TypeScript.NodeType.FuncDecl:
                           case TypeScript.NodeType.ObjectLit:
                           case TypeScript.NodeType.ArrayLit: {
                               this.checker.typeCheckWithContextualType(targetType, this.checker.inProvisionalTypecheckMode(), !sig.parameters[i].declAST.isParenthesized, callEx.arguments.members[i]);
                               break;

                           }
                       }
                   }
                   if(sig.hasVariableArgList) {
                       var varArgParamIndex = sig.nonOptionalParameterCount - 1;
                       targetType = sig.parameters[varArgParamIndex].getType();
                       if(targetType) {
                           targetType = targetType.elementType;
                       }
                       var isParenthesized = !sig.parameters[varArgParamIndex].declAST.isParenthesized;
                       for(i = nonVarArgActualParamLength; i < callEx.arguments.members.length; i++) {
                           switch(callEx.arguments.members[i].nodeType) {
                               case TypeScript.NodeType.FuncDecl:
                               case TypeScript.NodeType.ObjectLit:
                               case TypeScript.NodeType.ArrayLit: {
                                   this.checker.typeCheckWithContextualType(targetType, this.checker.inProvisionalTypecheckMode(), isParenthesized, callEx.arguments.members[i]);
                                   break;

                               }
                           }
                       }
                   }
               }
           }
           if(!acceptedTargetType && callEx.arguments) {
               this.checker.killCurrentContextualType();
               for(i = 0; i < callEx.arguments.members.length; i++) {
                   switch(callEx.arguments.members[i].nodeType) {
                       case TypeScript.NodeType.FuncDecl:
                       case TypeScript.NodeType.ObjectLit:
                       case TypeScript.NodeType.ArrayLit: {
                           this.typeCheck(callEx.arguments.members[i]);
                           break;

                       }
                       default: {
                           continue;

                       }
                   }
               }
           }
       };
       TypeFlow.prototype.typeCheckCall = function (ast) {
           var callEx = ast;
           if(this.checker.styleSettings.newMustBeUsed && (ast.nodeType == TypeScript.NodeType.New)) {
               if(TypeScript.hasFlag(ast.flags, TypeScript.ASTFlags.IsStatement)) {
                   this.checker.errorReporter.styleError(ast, "use of new expression as a statement");
               }
           } else {
               if((!this.checker.styleSettings.evalOK) && (ast.nodeType == TypeScript.NodeType.Call)) {
                   if((callEx.target.nodeType == TypeScript.NodeType.Name) && ((callEx.target).text == "eval")) {
                       this.checker.errorReporter.styleError(callEx, "eval not permitted");
                   }
               }
           }
           if(callEx.target.nodeType == TypeScript.NodeType.FuncDecl) {
               (callEx.target).isInlineCallLiteral = true;
           }
           var prevInSuperCall = this.inSuperCall;
           if(callEx.target.nodeType == TypeScript.NodeType.Super) {
               this.inSuperCall = true;
           }
           callEx.target = this.typeCheck(callEx.target);
           this.preTypeCheckCallArgs(callEx.arguments);
           var target = callEx.target;
           if((target.type == null) || (target.type == this.anyType) || (this.functionInterfaceType && target.type == this.functionInterfaceType)) {
               callEx.type = this.anyType;
           } else {
               var fnType = target.type;
               if(fnType.call) {
                   var signature = this.resolveOverload(callEx, fnType.call);
                   if(signature == null) {
                       callEx.type = this.anyType;
                   } else {
                       callEx.type = signature.returnType.type;
                       callEx.signature = signature;
                   }
               } else {
                   if(callEx.target.nodeType == TypeScript.NodeType.Super && this.thisFnc && this.thisFnc.isConstructor && TypeScript.hasFlag(this.thisFnc.fncFlags, TypeScript.FncFlags.ClassMethod)) {
                       var signature = fnType.symbol.type.construct ? this.resolveOverload(callEx, fnType.symbol.type.construct) : null;
                       if(signature == null) {
                           callEx.type = this.anyType;
                       } else {
                           callEx.flags |= TypeScript.ASTFlags.ClassBaseConstructorCall;
                           callEx.type = signature.returnType.type;
                           callEx.signature = signature;
                       }
                   } else {
                       callEx.type = this.anyType;
                       this.checker.errorReporter.invalidCall(callEx, callEx.nodeType, this.scope);
                   }
               }
           }
           this.postTypeCheckCallArgs(callEx);
           this.inSuperCall = prevInSuperCall;
           return callEx;
       };
       TypeFlow.prototype.assignScopes = function (ast) {
           var script = ast;
           this.checker.locationInfo = script.locationInfo;
           var globalChain = new ScopeChain(this.checker.gloMod, null, this.globalScope);
           var context = new TypeScript.AssignScopeContext(globalChain, this, [
               this.checker.currentModDecl
           ]);
           TypeScript.getAstWalkerFactory().walk(ast, TypeScript.preAssignScopes, TypeScript.postAssignScopes, null, context);
       };
       TypeFlow.prototype.findMemberScope = function (enclosingScopeContext, matchFlag) {
           var enclosingScope = enclosingScopeContext.getScope();
           var pos = enclosingScopeContext.pos - enclosingScopeContext.getScriptFragmentPosition();
           var scriptFragment = enclosingScopeContext.getScriptFragment();
           var memContext = new TypeScript.MemberScopeContext(this, pos, matchFlag);
           memContext.scope = enclosingScope;
           if(scriptFragment.nodeType == TypeScript.NodeType.Name) {
               return scriptFragment.type.getMemberScope(this);
           } else {
               TypeScript.getAstWalkerFactory().walk(scriptFragment, TypeScript.preFindMemberScope, null, null, memContext);
               if(memContext.ast && enclosingScopeContext.enclosingClassDecl && memContext.ast.type == enclosingScopeContext.enclosingClassDecl.type.instanceType) {
                   enclosingScopeContext.publicsOnly = false;
               }
               if(memContext.type) {
                   return memContext.type.getMemberScope(this);
               } else {
                   return null;
               }
           }
       };
       TypeFlow.prototype.findMemberScopeAt = function (enclosingScopeContext) {
           return this.findMemberScope(enclosingScopeContext, TypeScript.ASTFlags.DotLHS);
       };
       TypeFlow.prototype.findMemberScopeAtFullAst = function (enclosingScopeContext) {
           var matchFlag = TypeScript.ASTFlags.DotLHS;
           var pos = enclosingScopeContext.pos;
           var astResult = null;
           var preFindMemberScopeFullAst = function (ast, parent, walker) {
               if(TypeScript.isValidAstNode(ast)) {
                   if(TypeScript.hasFlag(ast.flags, matchFlag) && (pos == ast.limChar || (pos - 1) == ast.limChar)) {
                       astResult = ast;
                       walker.options.stopWalk();
                   }
                   walker.options.goChildren = (ast.minChar <= pos) && (pos <= ast.limChar);
               }
               return ast;
           };
           var preFindMemberScopeFullAstFuzy = function (ast, parent, walker) {
               if(TypeScript.isValidAstNode(ast)) {
                   if(TypeScript.hasFlag(ast.flags, matchFlag) && ((ast.minChar < pos) && (pos <= ast.limChar))) {
                       astResult = ast;
                   }
                   walker.options.goChildren = (ast.minChar <= pos) && (pos <= ast.limChar);
               }
               return ast;
           };
           TypeScript.getAstWalkerFactory().walk(enclosingScopeContext.script, preFindMemberScopeFullAst);
           if(astResult == null) {
               TypeScript.getAstWalkerFactory().walk(enclosingScopeContext.script, preFindMemberScopeFullAstFuzy);
           }
           if(astResult && enclosingScopeContext.enclosingClassDecl && astResult.type == enclosingScopeContext.enclosingClassDecl.type.instanceType) {
               enclosingScopeContext.publicsOnly = false;
           }
           if(astResult && astResult.type) {
               return astResult.type.getMemberScope(this);
           } else {
               return null;
           }
       };
       return TypeFlow;
   })();
   TypeScript.TypeFlow = TypeFlow;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (Primitive) {
       Primitive._map = [];
       Primitive.None = 0;
       Primitive.Void = 1;
       Primitive.Double = 2;
       Primitive.String = 4;
       Primitive.Boolean = 8;
       Primitive.Any = 16;
       Primitive.Null = 32;
       Primitive.Undefined = 64;
   })(TypeScript.Primitive || (TypeScript.Primitive = {}));
   var Primitive = TypeScript.Primitive;
   var MemberName = (function () {
       function MemberName() {
           this.prefix = "";
           this.suffix = "";
       }
       MemberName.prototype.isString = function () {
           return false;
       };
       MemberName.prototype.isArray = function () {
           return false;
       };
       MemberName.prototype.toString = function () {
           return MemberName.memberNameToString(this);
       };
       MemberName.memberNameToString = function memberNameToString(memberName) {
           var result = memberName.prefix;
           if(memberName.isString()) {
               result += (memberName).text;
           } else {
               var ar = memberName;
               for(var index = 0; index < ar.entries.length; index++) {
                   result += MemberName.memberNameToString(ar.entries[index]);
                   result += ar.delim;
               }
           }
           result += memberName.suffix;
           return result;
       }
       MemberName.create = function create(arg1, arg2, arg3) {
           if(typeof arg1 == "string") {
               return new MemberNameString(arg1);
           } else {
               var result = new MemberNameArray();
               if(arg2) {
                   result.prefix = arg2;
               }
               if(arg3) {
                   result.suffix = arg3;
               }
               result.entries.push(arg1);
               return result;
           }
       }
       return MemberName;
   })();
   TypeScript.MemberName = MemberName;    
   var MemberNameString = (function (_super) {
       __extends(MemberNameString, _super);
       function MemberNameString(text) {
               _super.call(this);
           this.text = text;
       }
       MemberNameString.prototype.isString = function () {
           return true;
       };
       return MemberNameString;
   })(MemberName);
   TypeScript.MemberNameString = MemberNameString;    
   var MemberNameArray = (function (_super) {
       __extends(MemberNameArray, _super);
       function MemberNameArray() {
           _super.apply(this, arguments);

           this.delim = "";
           this.entries = [];
       }
       MemberNameArray.prototype.isArray = function () {
           return true;
       };
       MemberNameArray.prototype.add = function (entry) {
           this.entries.push(entry);
       };
       MemberNameArray.prototype.addAll = function (entries) {
           for(var i = 0; i < entries.length; i++) {
               this.entries.push(entries[i]);
           }
       };
       return MemberNameArray;
   })(MemberName);
   TypeScript.MemberNameArray = MemberNameArray;    
   var currentTypeID = -1;
   var Type = (function () {
       function Type() {
           this.typeID = currentTypeID++;
           this.construct = null;
           this.call = null;
           this.index = null;
           this.passTypeCreated = TypeScript.CompilerDiagnostics.analysisPass;
           this.primitiveTypeClass = Primitive.None;
           this.typeFlags = TypeScript.TypeFlags.None;
       }
       Type.prototype.baseClass = function () {
           if(this.extendsList && (this.extendsList.length > 0)) {
               return this.extendsList[0];
           } else {
               return null;
           }
       };
       Type.prototype.getArrayBase = function (arrInstType, checker) {
           return this.arrayCache.specialize(arrInstType, checker);
       };
       Type.prototype.isClass = function () {
           return this.instanceType != null;
       };
       Type.prototype.isArray = function () {
           return this.elementType != null;
       };
       Type.prototype.isClassInstance = function () {
           return this.symbol && !this.elementType && (this.symbol).type.isClass();
       };
       Type.prototype.getInstanceType = function () {
           if(this.isClass()) {
               return this.instanceType;
           } else {
               return this;
           }
       };
       Type.prototype.hasImplementation = function () {
           return TypeScript.hasFlag(this.typeFlags, TypeScript.TypeFlags.HasImplementation);
       };
       Type.prototype.setHasImplementation = function () {
           this.typeFlags |= TypeScript.TypeFlags.HasImplementation;
       };
       Type.prototype.isDouble = function () {
           return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.Double);
       };
       Type.prototype.isString = function () {
           return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.String);
       };
       Type.prototype.isBoolean = function () {
           return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.Boolean);
       };
       Type.prototype.isNull = function () {
           return TypeScript.hasFlag(this.primitiveTypeClass, Primitive.Null);
       };
       Type.prototype.getTypeName = function () {
           return this.getMemberTypeName("", true, false, null);
       };
       Type.prototype.getScopedTypeName = function (scope) {
           return this.getMemberTypeName("", true, false, scope);
       };
       Type.prototype.getScopedTypeNameEx = function (scope) {
           return this.getMemberTypeNameEx("", true, false, scope);
       };
       Type.prototype.callCount = function () {
           var total = 0;
           if(this.call) {
               total += this.call.signatures.length;
           }
           if(this.construct) {
               total += this.construct.signatures.length;
           }
           if(this.index) {
               total += this.index.signatures.length;
           }
           return total;
       };
       Type.prototype.getMemberTypeName = function (prefix, topLevel, isElementType, scope) {
           var memberName = this.getMemberTypeNameEx(prefix, topLevel, isElementType, scope);
           return memberName.toString();
       };
       Type.prototype.getMemberTypeNameEx = function (prefix, topLevel, isElementType, scope) {
           if(this.elementType) {
               return MemberName.create(this.elementType.getMemberTypeNameEx(prefix, false, true, scope), "", "[]");
           } else {
               if(this.symbol && this.symbol.name && this.symbol.name != "_anonymous" && (((this.call == null) && (this.construct == null) && (this.index == null)) || (TypeScript.hasFlag(this.typeFlags, TypeScript.TypeFlags.BuildingName)) || (this.members && (!this.isClass())))) {
                   var tn = this.symbol.scopeRelativeName(scope);
                   return MemberName.create(tn == "null" ? "any" : tn);
               } else {
                   if(this.members || this.call || this.construct) {
                       if(TypeScript.hasFlag(this.typeFlags, TypeScript.TypeFlags.BuildingName)) {
                           return MemberName.create("this");
                       }
                       this.typeFlags |= TypeScript.TypeFlags.BuildingName;
                       var builder = "";
                       var allMemberNames = new MemberNameArray();
                       var curlies = isElementType || this.index != null;
                       var memCount = 0;
                       var delim = "; ";
                       if(this.members) {
                           this.members.allMembers.map(function (key, s, unused) {
                               var sym = s;
                               if(!TypeScript.hasFlag(sym.flags, TypeScript.SymbolFlags.BuiltIn)) {
                                   var typeNameMember = sym.getTypeNameEx(scope);
                                   if(typeNameMember.isArray() && (typeNameMember).delim == delim) {
                                       allMemberNames.addAll((typeNameMember).entries);
                                   } else {
                                       allMemberNames.add(typeNameMember);
                                   }
                                   memCount++;
                                   curlies = true;
                               }
                           }, null);
                       }
                       var signatureCount = this.callCount();
                       var j;
                       var len = 0;
                       var shortform = !curlies && signatureCount == 1 && topLevel;
                       if(this.call) {
                           allMemberNames.addAll(this.call.toStrings(prefix, shortform, scope));
                       }
                       if(this.construct) {
                           allMemberNames.addAll(this.construct.toStrings("new", shortform, scope));
                       }
                       if(this.index) {
                           allMemberNames.addAll(this.index.toStrings("", shortform, scope));
                       }
                       if((curlies) || ((signatureCount > 1) && topLevel)) {
                           allMemberNames.prefix = "{ ";
                           allMemberNames.suffix = "}";
                           allMemberNames.delim = delim;
                       } else {
                           if(allMemberNames.entries.length > 1) {
                               allMemberNames.delim = delim;
                           }
                       }
                       this.typeFlags &= (~TypeScript.TypeFlags.BuildingName);
                       if((signatureCount == 0) && (memCount == 0)) {
                           return MemberName.create("{}");
                       } else {
                           return allMemberNames;
                       }
                   } else {
                       return MemberName.create("{}");
                   }
               }
           }
       };
       Type.prototype.checkDecl = function (checker) {
           if(this.isClassInstance() || this.isClass()) {
               if(this.symbol.declAST) {
                   checker.typeFlow.inScopeTypeCheckDecl(this.symbol.declAST);
               }
           }
       };
       Type.prototype.getMemberScope = function (flow) {
           if(this == flow.anyType) {
               return null;
           } else {
               if(this.isDouble()) {
                   if(flow.numberInterfaceType) {
                       return flow.numberInterfaceType.memberScope;
                   } else {
                       return null;
                   }
               } else {
                   if(this.isBoolean()) {
                       if(flow.booleanInterfaceType) {
                           return flow.booleanInterfaceType.memberScope;
                       } else {
                           return null;
                       }
                   } else {
                       if(this == flow.stringType) {
                           if(flow.stringInterfaceType) {
                               return flow.stringInterfaceType.memberScope;
                           } else {
                               return null;
                           }
                       } else {
                           if(this.elementType) {
                               if(flow.arrayInterfaceType) {
                                   var arrInstType = this.elementType.getArrayBase(flow.arrayInterfaceType, flow.checker);
                                   return arrInstType.memberScope;
                               } else {
                                   return null;
                               }
                           } else {
                               return this.memberScope;
                           }
                       }
                   }
               }
           }
       };
       Type.prototype.isReferenceType = function () {
           return this.members || this.extendsList || this.construct || this.call || this.index || this.elementType;
       };
       Type.prototype.specializeType = function (pattern, replacement, checker, membersOnly) {
           if(pattern == this) {
               return replacement;
           }
           var result = this;
           if(membersOnly) {
               if(this.isReferenceType()) {
                   result = new Type();
                   if(this.members) {
                       result.members = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                       this.members.publicMembers.map(function (key, s, unused) {
                           var sym = s;
                           var bSym = sym.specializeType(pattern, replacement, checker);
                           result.members.addPublicMember(bSym.name, bSym);
                       }, null);
                       this.members.privateMembers.map(function (key, s, unused) {
                           var sym = s;
                           var bSym = sym.specializeType(pattern, replacement, checker);
                           result.members.addPrivateMember(bSym.name, bSym);
                       }, null);
                   }
                   if(this.ambientMembers) {
                       result.ambientMembers = new TypeScript.ScopedMembers(new TypeScript.DualStringHashTable(new TypeScript.StringHashTable(), new TypeScript.StringHashTable()));
                       this.ambientMembers.publicMembers.map(function (key, s, unused) {
                           var sym = s;
                           var bSym = sym.specializeType(pattern, replacement, checker);
                           result.ambientMembers.addPublicMember(bSym.name, bSym);
                       }, null);
                       this.ambientMembers.privateMembers.map(function (key, s, unused) {
                           var sym = s;
                           var bSym = sym.specializeType(pattern, replacement, checker);
                           result.ambientMembers.addPrivateMember(bSym.name, bSym);
                       }, null);
                   }
                   result.containedScope = checker.scopeOf(result);
                   result.memberScope = result.containedScope;
               }
           } else {
               if(this.elementType) {
                   if(this.elementType == pattern) {
                       result = checker.makeArrayType(replacement);
                   } else {
                       if(this.elementType.elementType == pattern) {
                           result = checker.makeArrayType(checker.makeArrayType(replacement));
                       }
                   }
               } else {
                   if(this.call) {
                       result = new Type();
                       result.call = this.call.specializeType(pattern, replacement, checker);
                   }
               }
           }
           return result;
       };
       Type.prototype.hasBase = function (baseType) {
           if(baseType == this) {
               return true;
           } else {
               if(this.extendsList) {
                   for(var i = 0, len = this.extendsList.length; i < len; i++) {
                       if(this.extendsList[i].hasBase(baseType)) {
                           return true;
                       }
                   }
               }
           }
           return false;
       };
       Type.prototype.mergeOrdered = function (b, checker, acceptVoid, comparisonInfo) {
           if((this == checker.anyType) || (b == checker.anyType)) {
               return checker.anyType;
           } else {
               if(this == b) {
                   return this;
               } else {
                   if((b == checker.nullType) && this != checker.nullType) {
                       return this;
                   } else {
                       if((this == checker.nullType) && (b != checker.nullType)) {
                           return b;
                       } else {
                           if(acceptVoid && (b == checker.voidType) && this != checker.voidType) {
                               return this;
                           } else {
                               if(acceptVoid && (this == checker.voidType) && (b != checker.voidType)) {
                                   return b;
                               } else {
                                   if((b == checker.undefinedType) && this != checker.undefinedType) {
                                       return this;
                                   } else {
                                       if((this == checker.undefinedType) && (b != checker.undefinedType)) {
                                           return b;
                                       } else {
                                           if(this.elementType && b.elementType) {
                                               if(this.elementType == b.elementType) {
                                                   return this;
                                               } else {
                                                   var mergedET = this.elementType.mergeOrdered(b.elementType, checker, acceptVoid, comparisonInfo);
                                                   if(mergedET == null) {
                                                       return checker.makeArrayType(checker.anyType);
                                                   } else {
                                                       return checker.makeArrayType(mergedET);
                                                   }
                                               }
                                           } else {
                                               if(checker.sourceIsSubtypeOfTarget(this, b, comparisonInfo)) {
                                                   return b;
                                               } else {
                                                   if(checker.sourceIsSubtypeOfTarget(b, this, comparisonInfo)) {
                                                       return this;
                                                   } else {
                                                       return null;
                                                   }
                                               }
                                           }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
           }
       };
       Type.prototype.isModuleType = function () {
           return false;
       };
       Type.prototype.hasMembers = function () {
           return this.members != null;
       };
       Type.prototype.getAllEnclosedTypes = function () {
           return null;
       };
       Type.prototype.getAllAmbientEnclosedTypes = function () {
           return null;
       };
       Type.prototype.getPublicEnclosedTypes = function () {
           return null;
       };
       Type.prototype.getpublicAmbientEnclosedTypes = function () {
           return null;
       };
       Type.prototype.getDocComments = function () {
           if(this.elementType || !this.symbol) {
               return [];
           }
           if(this.isClassInstance() || this.isClass()) {
               if(this.symbol.declAST.nodeType == TypeScript.NodeType.FuncDecl) {
                   return (this.symbol.declAST).classDecl.getDocComments();
               } else {
                   return this.symbol.getDocComments();
               }
           }
           if(this.symbol.name && this.symbol.name != "_anonymous" && (((this.call == null) && (this.construct == null) && (this.index == null)) || this.members)) {
               return this.symbol.getDocComments();
           }
           return [];
       };
       return Type;
   })();
   TypeScript.Type = Type;    
   var ModuleType = (function (_super) {
       __extends(ModuleType, _super);
       function ModuleType(enclosedTypes, ambientEnclosedTypes) {
               _super.call(this);
           this.enclosedTypes = enclosedTypes;
           this.ambientEnclosedTypes = ambientEnclosedTypes;
           this.importedModules = [];
       }
       ModuleType.prototype.isModuleType = function () {
           return true;
       };
       ModuleType.prototype.hasMembers = function () {
           return this.members != null || this.enclosedTypes != null;
       };
       ModuleType.prototype.getAllEnclosedTypes = function () {
           return this.enclosedTypes;
       };
       ModuleType.prototype.getAllAmbientEnclosedTypes = function () {
           return this.ambientEnclosedTypes;
       };
       ModuleType.prototype.getPublicEnclosedTypes = function () {
           return null;
       };
       ModuleType.prototype.getpublicAmbientEnclosedTypes = function () {
           return null;
       };
       ModuleType.findDynamicModuleNameInHashTable = function findDynamicModuleNameInHashTable(moduleType, members) {
           var moduleName = null;
           members.map(function (key, s, c) {
               if(moduleName == null && !TypeScript.isQuoted(key)) {
                   var symbol = s;
                   var type = symbol.getType();
                   if(type == moduleType) {
                       moduleName = {
                           name: key,
                           symbol: symbol
                       };
                   }
               }
           }, null);
           return moduleName;
       }
       ModuleType.prototype.findDynamicModuleName = function (moduleType) {
           var moduleName = null;
           moduleName = ModuleType.findDynamicModuleNameInHashTable(moduleType, this.members.allMembers);
           if(moduleName == null) {
               moduleName = ModuleType.findDynamicModuleNameInHashTable(moduleType, this.ambientMembers.allMembers);
           }
           return moduleName;
       };
       return ModuleType;
   })(Type);
   TypeScript.ModuleType = ModuleType;    
   var TypeLink = (function () {
       function TypeLink() {
           this.type = null;
           this.ast = null;
       }
       return TypeLink;
   })();
   TypeScript.TypeLink = TypeLink;    
   function getTypeLink(ast, checker, autoVar) {
       var result = new TypeLink();
       result.ast = ast;
       if((ast == null) && (autoVar)) {
           result.type = checker.anyType;
       } else {
           result.type = null;
       }
       return result;
   }
   TypeScript.getTypeLink = getTypeLink;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   function stripQuotes(str) {
       return str.replace("\"", "").replace("'", "").replace("'", "").replace("\"", "");
   }
   TypeScript.stripQuotes = stripQuotes;
   function isQuoted(str) {
       return str.indexOf("\"") != -1 || str.indexOf("'") != -1 || str.indexOf("'") != -1 || str.indexOf("\"") != -1;
   }
   TypeScript.isQuoted = isQuoted;
   function quoteStr(str) {
       return "\"" + str + "\"";
   }
   TypeScript.quoteStr = quoteStr;
   function swapQuotes(str) {
       if(str.indexOf("\"") != -1) {
           str = str.replace("\"", "'");
           str = str.replace("\"", "'");
       } else {
           str = str.replace("'", "\"");
           str = str.replace("'", "\"");
       }
       return str;
   }
   TypeScript.swapQuotes = swapQuotes;
   function switchToForwardSlashes(path) {
       return path.replace(/\\/g, "/");
   }
   TypeScript.switchToForwardSlashes = switchToForwardSlashes;
   function trimModName(modName) {
       if(modName.length > 6 && modName.substring(modName.length - 6, modName.length) == ".d.str") {
           return modName.substring(0, modName.length - 6);
       }
       if(modName.length > 4 && modName.substring(modName.length - 4, modName.length) == ".str") {
           return modName.substring(0, modName.length - 4);
       }
       if(modName.length > 5 && modName.substring(modName.length - 5, modName.length) == ".d.ts") {
           return modName.substring(0, modName.length - 5);
       }
       if(modName.length > 3 && modName.substring(modName.length - 3, modName.length) == ".ts") {
           return modName.substring(0, modName.length - 3);
       }
       if(modName.length > 3 && modName.substring(modName.length - 3, modName.length) == ".js") {
           return modName.substring(0, modName.length - 3);
       }
       return modName;
   }
   TypeScript.trimModName = trimModName;
   function getDeclareFilePath(fname) {
       return isSTRFile(fname) ? changePathToDSTR(fname) : isTSFile(fname) ? changePathToDTS(fname) : changePathToDTS(fname);
   }
   TypeScript.getDeclareFilePath = getDeclareFilePath;
   function isFileOfExtension(fname, ext) {
       var invariantFname = fname.toLocaleUpperCase();
       var invariantExt = ext.toLocaleUpperCase();
       var extLength = invariantExt.length;
       return invariantFname.length > extLength && invariantFname.substring(invariantFname.length - extLength, invariantFname.length) == invariantExt;
   }
   function isJSFile(fname) {
       return isFileOfExtension(fname, ".js");
   }
   TypeScript.isJSFile = isJSFile;
   function isSTRFile(fname) {
       return isFileOfExtension(fname, ".str");
   }
   TypeScript.isSTRFile = isSTRFile;
   function isTSFile(fname) {
       return isFileOfExtension(fname, ".ts");
   }
   TypeScript.isTSFile = isTSFile;
   function isDSTRFile(fname) {
       return isFileOfExtension(fname, ".d.str");
   }
   TypeScript.isDSTRFile = isDSTRFile;
   function isDTSFile(fname) {
       return isFileOfExtension(fname, ".d.ts");
   }
   TypeScript.isDTSFile = isDTSFile;
   function getPrettyName(modPath, quote, treatAsFileName) {
       if (typeof quote === "undefined") { quote = true; }
       if (typeof treatAsFileName === "undefined") { treatAsFileName = false; }
       var modName = treatAsFileName ? switchToForwardSlashes(modPath) : trimModName(stripQuotes(modPath));
       var components = this.getPathComponents(modName);
       return components.length ? (quote ? quoteStr(components[components.length - 1]) : components[components.length - 1]) : modPath;
   }
   TypeScript.getPrettyName = getPrettyName;
   function getPathComponents(path) {
       return path.split("/");
   }
   TypeScript.getPathComponents = getPathComponents;
   function getRelativePathToFixedPath(fixedModFilePath, absoluteModPath) {
       absoluteModPath = switchToForwardSlashes(absoluteModPath);
       var modComponents = this.getPathComponents(absoluteModPath);
       var fixedModComponents = this.getPathComponents(fixedModFilePath);
       var joinStartIndex = 0;
       for(; joinStartIndex < modComponents.length && joinStartIndex < fixedModComponents.length; joinStartIndex++) {
           if(fixedModComponents[joinStartIndex] != modComponents[joinStartIndex]) {
               break;
           }
       }
       if(joinStartIndex != 0) {
           var relativePath = "";
           var relativePathComponents = modComponents.slice(joinStartIndex, modComponents.length);
           for(; joinStartIndex < fixedModComponents.length; joinStartIndex++) {
               if(fixedModComponents[joinStartIndex] != "") {
                   relativePath = relativePath + "../";
               }
           }
           return relativePath + relativePathComponents.join("/");
       }
       return absoluteModPath;
   }
   TypeScript.getRelativePathToFixedPath = getRelativePathToFixedPath;
   function quoteBaseName(modPath) {
       var modName = trimModName(stripQuotes(modPath));
       var path = getRootFilePath(modName);
       if(path == "") {
           return modPath;
       } else {
           var components = modName.split(path);
           var fileIndex = components.length > 1 ? 1 : 0;
           return quoteStr(components[fileIndex]);
       }
   }
   TypeScript.quoteBaseName = quoteBaseName;
   function changePathToSTR(modPath) {
       return trimModName(stripQuotes(modPath)) + ".str";
   }
   TypeScript.changePathToSTR = changePathToSTR;
   function changePathToDSTR(modPath) {
       return trimModName(stripQuotes(modPath)) + ".d.str";
   }
   TypeScript.changePathToDSTR = changePathToDSTR;
   function changePathToTS(modPath) {
       return trimModName(stripQuotes(modPath)) + ".ts";
   }
   TypeScript.changePathToTS = changePathToTS;
   function changePathToDTS(modPath) {
       return trimModName(stripQuotes(modPath)) + ".d.ts";
   }
   TypeScript.changePathToDTS = changePathToDTS;
   function isRelative(path) {
       return path.charAt(0) == ".";
   }
   TypeScript.isRelative = isRelative;
   function isRooted(path) {
       return path.charAt(0) == "\\" || path.charAt(0) == "/" || (path.indexOf(":\\") != -1) || (path.indexOf(":/") != -1);
   }
   TypeScript.isRooted = isRooted;
   function getRootFilePath(outFname) {
       if(outFname == "") {
           return outFname;
       } else {
           var isPath = outFname.indexOf("/") != -1;
           return isPath ? filePath(outFname) : "";
       }
   }
   TypeScript.getRootFilePath = getRootFilePath;
   function filePathComponents(fullPath) {
       fullPath = switchToForwardSlashes(fullPath);
       var components = getPathComponents(fullPath);
       return components.slice(0, components.length - 1);
   }
   TypeScript.filePathComponents = filePathComponents;
   function filePath(fullPath) {
       var path = filePathComponents(fullPath);
       return path.join("/") + "/";
   }
   TypeScript.filePath = filePath;
   function normalizeURL(url) {
       var hostDomainAndPortRegex = /^(https?:\/\/[\-\w\.]+(:\d+)?\/)(.*)$/i;
       var matches = hostDomainAndPortRegex.exec(url);
       if(matches) {
           var hostDomainAndPort = matches[1];
           var actualPath = matches[3];
           return hostDomainAndPort + normalizePath(actualPath);
       }
       return normalizePath(url);
   }
   TypeScript.normalizeURL = normalizeURL;
   TypeScript.pathNormalizeRegExp = /\//g;
   function normalizePath(path) {
       path = switchToForwardSlashes(path);
       var startedWithSep = path.charAt(0) === "/";
       var parts = this.getPathComponents(path);
       for(var i = 0; i < parts.length; i++) {
           if(parts[i] === "." || parts[i] === "") {
               parts.splice(i, 1);
               i--;
           }
           if(i > 0 && parts[i] === ".." && parts[i - 1] !== "..") {
               parts.splice(i - 1, 2);
               i -= 2;
           }
       }
       return (startedWithSep ? "/" : "") + parts.join("/");
   }
   TypeScript.normalizePath = normalizePath;
   function normalizeImportPath(path) {
       return normalizePath(path);
   }
   TypeScript.normalizeImportPath = normalizeImportPath;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var SourceUnit = (function () {
       function SourceUnit(path, content) {
           this.path = path;
           this.content = content;
           this.referencedFiles = null;
       }
       SourceUnit.prototype.getText = function (start, end) {
           return this.content.substring(start, end);
       };
       SourceUnit.prototype.getLength = function () {
           return this.content.length;
       };
       return SourceUnit;
   })();
   TypeScript.SourceUnit = SourceUnit;    
   var CompilationEnvironment = (function () {
       function CompilationEnvironment(compilationSettings, ioHost) {
           this.compilationSettings = compilationSettings;
           this.ioHost = ioHost;
           this.residentCode = [];
           this.code = [];
       }
       return CompilationEnvironment;
   })();
   TypeScript.CompilationEnvironment = CompilationEnvironment;    
   var CodeResolver = (function () {
       function CodeResolver(environment) {
           this.environment = environment;
           this.visited = {
           };
       }
       CodeResolver.prototype.resolveCode = function (referencePath, parentPath, performSearch, resolutionDispatcher) {
           var resolvedFile = {
               content: "",
               path: referencePath
           };
           var ioHost = this.environment.ioHost;
           var isRelativePath = TypeScript.isRelative(referencePath);
           var isRootedPath = isRelativePath ? false : TypeScript.isRooted(referencePath);
           var normalizedPath = isRelativePath ? ioHost.resolvePath(parentPath + "/" + referencePath) : (isRootedPath || !parentPath || performSearch ? referencePath : parentPath + "/" + referencePath);
           if(!TypeScript.isSTRFile(normalizedPath) && !TypeScript.isTSFile(normalizedPath)) {
               normalizedPath += ".ts";
           }
           normalizedPath = TypeScript.switchToForwardSlashes(TypeScript.stripQuotes(normalizedPath));
           var absoluteModuleID = this.environment.compilationSettings.useCaseSensitiveFileResolution ? normalizedPath : normalizedPath.toLocaleUpperCase();
           if(!this.visited[absoluteModuleID]) {
               if(isRelativePath || isRootedPath || !performSearch) {
                   try  {
                       TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                       try  {
                           resolvedFile.content = ioHost.readFile(normalizedPath);
                       } catch (err) {
                           try  {
                               if(TypeScript.isSTRFile(normalizedPath)) {
                                   normalizedPath = TypeScript.changePathToTS(normalizedPath);
                               } else {
                                   if(TypeScript.isTSFile(normalizedPath)) {
                                       normalizedPath = TypeScript.changePathToSTR(normalizedPath);
                                   }
                               }
                               TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                               resolvedFile.content = ioHost.readFile(normalizedPath);
                           } catch (err) {
                               normalizedPath = TypeScript.changePathToDSTR(normalizedPath);
                               TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                               try  {
                                   resolvedFile.content = ioHost.readFile(normalizedPath);
                               } catch (err) {
                                   normalizedPath = TypeScript.changePathToDTS(normalizedPath);
                                   TypeScript.CompilerDiagnostics.debugPrint("   Reading code from " + normalizedPath);
                                   resolvedFile.content = ioHost.readFile(normalizedPath);
                               }
                           }
                       }
                       TypeScript.CompilerDiagnostics.debugPrint("   Found code at " + normalizedPath);
                       resolvedFile.path = normalizedPath;
                       this.visited[absoluteModuleID] = true;
                   } catch (err) {
                       TypeScript.CompilerDiagnostics.debugPrint("   Did not find code for " + referencePath);
                   }
               } else {
                   resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                   if(!resolvedFile) {
                       if(TypeScript.isSTRFile(normalizedPath)) {
                           normalizedPath = TypeScript.changePathToTS(normalizedPath);
                       } else {
                           if(TypeScript.isTSFile(normalizedPath)) {
                               normalizedPath = TypeScript.changePathToSTR(normalizedPath);
                           }
                       }
                       resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                   }
                   if(!resolvedFile) {
                       normalizedPath = TypeScript.changePathToDTS(normalizedPath);
                       resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                       if(!resolvedFile) {
                           normalizedPath = TypeScript.changePathToDSTR(normalizedPath);
                           resolvedFile = ioHost.findFile(parentPath, normalizedPath);
                       }
                   }
                   if(resolvedFile) {
                       resolvedFile.path = TypeScript.switchToForwardSlashes(TypeScript.stripQuotes(resolvedFile.path));
                       TypeScript.CompilerDiagnostics.debugPrint(referencePath + " resolved to: " + resolvedFile.path);
                       resolvedFile.content = resolvedFile.content;
                       this.visited[absoluteModuleID] = true;
                   } else {
                       TypeScript.CompilerDiagnostics.debugPrint("Could not find " + referencePath);
                   }
               }
               if(resolvedFile && resolvedFile.content) {
                   var rootDir = ioHost.dirName(resolvedFile.path);
                   var sourceUnit = new SourceUnit(resolvedFile.path, resolvedFile.content);
                   var preProcessedFileInfo = TypeScript.preProcessFile(sourceUnit, this.environment.compilationSettings);
                   sourceUnit.referencedFiles = preProcessedFileInfo.referencedFiles;
                   for(var i = 0; i < preProcessedFileInfo.referencedFiles.length; i++) {
                       var referencedFile = preProcessedFileInfo.referencedFiles[i];
                       var normalizedPath = TypeScript.isRooted(referencedFile.path) ? referencedFile.path : rootDir + "/" + referencedFile.path;
                       normalizedPath = ioHost.resolvePath(normalizedPath);
                       if(referencePath == normalizedPath) {
                           resolutionDispatcher.postResolutionError(normalizedPath, "File contains reference to itself", null);
                           continue;
                       }
                       this.resolveCode(referencedFile.path, rootDir, false, resolutionDispatcher);
                   }
                   for(var i = 0; i < preProcessedFileInfo.importedFiles.length; i++) {
                       this.resolveCode(preProcessedFileInfo.importedFiles[i].path, rootDir, true, resolutionDispatcher);
                   }
                   resolutionDispatcher.postResolution(sourceUnit.path, sourceUnit);
               }
           }
       };
       return CodeResolver;
   })();
   TypeScript.CodeResolver = CodeResolver;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var StyleSettings = (function () {
       function StyleSettings() {
           this.bitwise = false;
           this.blockInCompoundStmt = false;
           this.eqeqeq = false;
           this.forin = false;
           this.emptyBlocks = true;
           this.newMustBeUsed = false;
           this.requireSemi = false;
           this.assignmentInCond = false;
           this.eqnull = false;
           this.evalOK = true;
           this.innerScopeDeclEscape = true;
           this.funcInLoop = true;
           this.reDeclareLocal = true;
           this.literalSubscript = true;
           this.implicitAny = false;
       }
       StyleSettings.prototype.setOption = function (opt, val) {
           var optExists = this[opt];
           if(optExists !== undefined) {
               this[opt] = val;
               return true;
           } else {
               return false;
           }
       };
       StyleSettings.prototype.parseOptions = function (str) {
           var opts = str.split(";");
           for(var i = 0, len = opts.length; i < len; i++) {
               var opt = opts[i];
               var val = true;
               var colonIndex = opt.lastIndexOf(":");
               if(colonIndex >= 0) {
                   var valStr = opt.substring(colonIndex + 1);
                   opt = opt.substring(0, colonIndex);
                   if(valStr == "off") {
                       val = false;
                   }
               }
               if(!this.setOption(opt, val)) {
                   return false;
               }
           }
           return true;
       };
       return StyleSettings;
   })();
   TypeScript.StyleSettings = StyleSettings;    
   var CompilationSettings = (function () {
       function CompilationSettings() {
           this.styleSettings = new StyleSettings();
           this.propagateConstants = false;
           this.minWhitespace = false;
           this.parseOnly = false;
           this.errorRecovery = false;
           this.emitComments = false;
           this.watch = false;
           this.exec = false;
           this.resolve = true;
           this.controlFlow = false;
           this.printControlFlow = false;
           this.controlFlowUseDef = false;
           this.errorOnWith = true;
           this.preprocess = true;
           this.canCallDefinitionSignature = false;
           this.inferPropertiesFromThisAssignment = false;
           this.useDefaultLib = true;
           this.codeGenTarget = TypeScript.CodeGenTarget.ES3;
           this.moduleGenTarget = TypeScript.ModuleGenTarget.Synchronous;
           this.outputOption = "";
           this.mapSourceFiles = false;
           this.generateDeclarationFiles = false;
           this.useCaseSensitiveFileResolution = false;
       }
       CompilationSettings.prototype.setStyleOptions = function (str) {
           this.styleSettings.parseOptions(str);
       };
       return CompilationSettings;
   })();
   TypeScript.CompilationSettings = CompilationSettings;    
   function getFileReferenceFromReferencePath(comment) {
       var referencesRegEx = /^(\/\/\/\s*<reference\s+path=)('|")(.+?)\2\s*(static=('|")(.+?)\2\s*)*\/>/igm;
       var match = referencesRegEx.exec(comment);
       if(match) {
           var path = TypeScript.normalizePath(match[3]);
           var adjustedPath = TypeScript.normalizePath(path);
           var isResident = match.length >= 7 && match[6] == "true";
           if(isResident) {
               TypeScript.CompilerDiagnostics.debugPrint(path + " is resident");
           }
           return {
               minChar: 0,
               limChar: 0,
               path: TypeScript.switchToForwardSlashes(adjustedPath),
               isResident: isResident
           };
       } else {
           return null;
       }
   }
   function getAdditionalDependencyPath(comment) {
       var amdDependencyRegEx = /^(\/\/\/\s*<amd-dependency\s+path=)('|")(.+?)\2\s*(static=('|")(.+?)\2\s*)*\/>/igm;
       var match = amdDependencyRegEx.exec(comment);
       if(match) {
           var path = match[3];
           return path;
       } else {
           return null;
       }
   }
   TypeScript.getAdditionalDependencyPath = getAdditionalDependencyPath;
   function getImplicitImport(comment) {
       var implicitImportRegEx = /^(\/\/\/\s*<implicit-import\s*)*\/>/igm;
       var match = implicitImportRegEx.exec(comment);
       if(match) {
           return true;
       }
       return false;
   }
   TypeScript.getImplicitImport = getImplicitImport;
   function getStyleSettings(comment, styleSettings) {
       var styleRegEx = /^(\/\/\/\s*<style\s+)(([a-zA-Z])+=('|").+('|"))\s*\/>/igm;
       var settings = styleRegEx.exec(comment);
       if(settings) {
           var settingsRegEx = /^([a-zA-Z]+=['"]on['|"])/igm;
           settings = settingsRegEx.exec(settings[2]);
           if(settings) {
               for(var i = 0; i < settings.length; i++) {
                   var setting = (settings[i]).split("=");
                   var on = "\"on\"";
                   switch(setting[0]) {
                       case "blockInCompoundStmt": {
                           styleSettings.blockInCompoundStmt = setting[1] == on;
                           break;

                       }
                       case "eqeqeq": {
                           styleSettings.eqeqeq = setting[1] == on;
                           break;

                       }
                       case "forin": {
                           styleSettings.forin = setting[1] == on;
                           break;

                       }
                       case "emptyBlocks": {
                           styleSettings.emptyBlocks = setting[1] == on;
                           break;

                       }
                       case "newMustBeUsed": {
                           styleSettings.newMustBeUsed = setting[1] == on;
                           break;

                       }
                       case "requireSemi": {
                           styleSettings.requireSemi = setting[1] == on;
                           break;

                       }
                       case "assignmentInCond": {
                           styleSettings.assignmentInCond = setting[1] == on;
                           break;

                       }
                       case "eqnull": {
                           styleSettings.eqnull = setting[1] == on;
                           break;

                       }
                       case "evalOK": {
                           styleSettings.evalOK = setting[1] == on;
                           break;

                       }
                       case "innerScopeDeclEscape": {
                           styleSettings.innerScopeDeclEscape = setting[1] == on;
                           break;

                       }
                       case "funcInLoop": {
                           styleSettings.funcInLoop = setting[1] == on;
                           break;

                       }
                       case "reDeclareLocal": {
                           styleSettings.reDeclareLocal = setting[1] == on;
                           break;

                       }
                       case "literalSubscript": {
                           styleSettings.literalSubscript = setting[1] == on;
                           break;

                       }
                       case "implicitAny": {
                           styleSettings.implicitAny = setting[1] == on;
                           break;

                       }
                   }
               }
           }
       }
   }
   TypeScript.getStyleSettings = getStyleSettings;
   function getReferencedFiles(sourceText) {
       var preProcessInfo = preProcessFile(sourceText, null, false);
       return preProcessInfo.referencedFiles;
   }
   TypeScript.getReferencedFiles = getReferencedFiles;
   function preProcessFile(sourceText, options, readImportFiles) {
       if (typeof options === "undefined") { options = new CompilationSettings(); }
       if (typeof readImportFiles === "undefined") { readImportFiles = true; }
       var scanner = new TypeScript.Scanner();
       scanner.resetComments();
       scanner.setSourceText(sourceText, TypeScript.LexMode.File);
       var tok = scanner.scan();
       var comments = [];
       var comment = null;
       var leftCurlies = [];
       var settings = options;
       var referencedFiles = [];
       var importedFiles = [];
       var isLibFile = false;
       while(tok.tokenId != TypeScript.TokenID.EndOfFile) {
           if(readImportFiles && tok.tokenId == TypeScript.TokenID.Import) {
               tok = scanner.scan();
               if(tok.tokenId == TypeScript.TokenID.Identifier || TypeScript.convertTokToID(tok, false)) {
                   tok = scanner.scan();
                   if(tok.tokenId == TypeScript.TokenID.Equals) {
                       tok = scanner.scan();
                       if(tok.tokenId == TypeScript.TokenID.Module) {
                           tok = scanner.scan();
                           if(tok.tokenId == TypeScript.TokenID.OpenParen) {
                               tok = scanner.scan();
                               if(tok.tokenId == TypeScript.TokenID.StringLiteral) {
                                   var ref = {
                                       minChar: scanner.startPos,
                                       limChar: scanner.pos,
                                       path: TypeScript.stripQuotes(TypeScript.switchToForwardSlashes(tok.getText())),
                                       isResident: false
                                   };
                                   importedFiles.push(ref);
                               }
                           }
                       }
                   }
               }
           }
           if(tok.tokenId == TypeScript.TokenID.OpenBrace) {
               leftCurlies.push(tok);
           }
           if(tok.tokenId == TypeScript.TokenID.CloseBrace) {
               leftCurlies.pop();
           }
           tok = scanner.scan();
       }
       comments = scanner.getComments();
       for(var iComment = 0; iComment < comments.length; iComment++) {
           comment = comments[iComment];
           if(!comment.isBlock) {
               var referencedCode = getFileReferenceFromReferencePath(comment.getText());
               if(referencedCode) {
                   referencedCode.minChar = comment.startPos;
                   referencedCode.limChar = referencedCode.minChar + comment.value.length;
                   referencedFiles.push(referencedCode);
               }
               if(settings) {
                   getStyleSettings(comment.getText(), settings.styleSettings);
                   var isNoLibRegex = /^(\/\/\/\s*<reference\s+no-default-lib=)('|")(.+?)\2\s*\/>/igm;
                   var isNoLibMatch = isNoLibRegex.exec(comment.getText());
                   if(isNoLibMatch) {
                       isLibFile = (isNoLibMatch[3] == "true");
                   }
               }
           }
       }
       return {
           settings: settings,
           referencedFiles: referencedFiles,
           importedFiles: importedFiles,
           isLibFile: isLibFile
       };
   }
   TypeScript.preProcessFile = preProcessFile;
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var IncrementalParser = (function () {
       function IncrementalParser(logger) {
           this.logger = logger;
           this.astLogger = new TypeScript.AstLogger(this.logger);
       }
       IncrementalParser.prototype.getEnclosingScopeContextIfSingleScopeEdit = function (previousScript, scriptId, newSourceText, editRange) {
           this.logger.log("checkEditsInsideSingleScope(\"" + scriptId + "\")");
           if(editRange === null) {
               throw new Error("editRange should be valid");
           }
           if(editRange.isUnknown()) {
               this.logger.log("  Bailing out because edit range is unknown");
               return null;
           }
           var scope1 = TypeScript.findEnclosingScopeAt(this.logger, previousScript, newSourceText, editRange.minChar, false);
           var scope2 = TypeScript.findEnclosingScopeAt(this.logger, previousScript, newSourceText, editRange.limChar, false);
           if(scope1 == null || scope2 == null) {
               this.logger.log("  Bailing out because containing scopes cannot be determined");
               return null;
           }
           if(scope1.scopeStartAST !== scope2.scopeStartAST) {
               this.logger.log("  Bailing out because edit overlaps 2 disctint scopes");
               return null;
           }
           var newScopeLength = scope1.scopeStartAST.limChar - scope1.scopeStartAST.minChar + editRange.delta;
           if(newScopeLength <= 0) {
               this.logger.log("  Bailing out because scope has been entirely removed from new source text");
               return null;
           }
           return scope1;
       };
       IncrementalParser.prototype.attemptIncrementalUpdateUnit = function (previousScript, scriptId, newSourceText, editRange) {
           this.logger.log("attemptIncrementalUpdateUnit(\"" + scriptId + "\")");
           if(editRange === null) {
               throw new Error("editRange should be valid");
           }
           var scope1 = this.getEnclosingScopeContextIfSingleScopeEdit(previousScript, scriptId, newSourceText, editRange);
           if(scope1 === null) {
               return null;
           }
           var newScopeLength = scope1.scopeStartAST.limChar - scope1.scopeStartAST.minChar + editRange.delta;
           if(newScopeLength >= newSourceText.getLength() / 2) {
               this.logger.log("  Bailing out because range of scope to reparse (" + newScopeLength + " characters) is greater than half the size of the source text");
               return null;
           }
           var parseErrors = [];
           var errorCapture = function (minChar, charLen, message, unitIndex) {
               parseErrors.push(new TypeScript.ErrorEntry(unitIndex, minChar, minChar + charLen, message));
           };
           var quickParseResult = TypeScript.quickParse(this.logger, scope1.scopeStartAST, newSourceText, scope1.scopeStartAST.minChar, scope1.scopeStartAST.minChar + newScopeLength, errorCapture);
           if(quickParseResult.endLexState != TypeScript.LexState.Start) {
               this.logger.log("  Bailing out because scope contains unterminated comment");
               return null;
           }
           var scriptFragment = quickParseResult.Script;
           if(scriptFragment.vars.members.length !== 0) {
               this.logger.log("  Bailing out because new source text defines variables");
               return null;
           }
           if(scriptFragment.bod.members.length !== 1) {
               this.logger.log("  Bailing out because new source text defines more than one scope (or none)");
               return null;
           }
           var oldScope = scope1.scopeStartAST;
           var newScope = scriptFragment.bod.members[0];
           if(oldScope.nodeType != newScope.nodeType) {
               this.logger.log("  Bailing out because new source text does not define the same scope type as the existing scope");
               return null;
           }
           if(!(oldScope).leftCurlyCount || !(oldScope).rightCurlyCount) {
               this.logger.log("  Bailing out because sopce doesn't have left/right curly count");
               return null;
           }
           if((oldScope).leftCurlyCount !== (newScope).leftCurlyCount) {
               this.logger.log("  Bailing out because new source text contains more (or fewer) left curly braces");
               return null;
           }
           if((oldScope).rightCurlyCount !== (newScope).rightCurlyCount) {
               this.logger.log("  Bailing out because new source text contains more (or fewer) right curly braces");
               return null;
           }
           if(newScope.minChar !== 0) {
               this.logger.log("  Bailing out because new function declaration does not start at position 0");
               return null;
           }
           if(newScope.limChar !== newScopeLength) {
               this.logger.log("  Bailing out because new function declaration does not end at the new end position");
               return null;
           }
           return TypeScript.UpdateUnitResult.singleScopeEdits(previousScript, scriptFragment, oldScope, newScope, editRange, parseErrors);
       };
       IncrementalParser.prototype.mergeTrees = function (updateResult) {
           var _this = this;
           TypeScript.timeFunction(this.logger, "mergeTrees()", function () {
               var editRange = new TypeScript.ScriptEditRange(updateResult.scope1.minChar, updateResult.scope1.limChar, updateResult.editRange.delta);
               _this.applyDeltaPosition(updateResult.script1, editRange.limChar, editRange.delta);
               _this.applyDeltaPosition(updateResult.script2, 0, editRange.minChar);
               _this.mergeLocationInfo(updateResult.script1, updateResult.script2, editRange);
               _this.replaceAST(updateResult.script1, updateResult.scope1, updateResult.scope2);
           });
       };
       IncrementalParser.prototype.replaceAST = function (script, oldAst, newAst) {
           var _this = this;
           var pre = function (cur, parent, walker) {
               if(cur === oldAst) {
                   newAst.preComments = cur.preComments;
                   newAst.postComments = cur.postComments;
                   _this.logger.log("replaced old AST node with new one in script AST");
                   walker.options.stopWalk();
                   return newAst;
               }
               if(TypeScript.isValidAstNode(cur)) {
                   if(cur.limChar < oldAst.minChar || cur.minChar > oldAst.limChar) {
                       walker.options.goChildren = false;
                   }
               }
               return cur;
           };
           TypeScript.getAstWalkerFactory().walk(script, pre);
       };
       IncrementalParser.prototype.mergeLocationInfo = function (script, partial, editRange) {
           var lineMap1 = script.locationInfo.lineMap;
           var lineMap2 = partial.locationInfo.lineMap;
           if(this.logger.information()) {
               this.logger.log("lineMap1 (before):");
               this.astLogger.logLinemap(lineMap1);
               this.logger.log("lineMap2 (quick parse):");
               this.astLogger.logLinemap(lineMap2);
               this.logger.log("EditRange=" + editRange);
           }
           var i1 = 2;
           var i2 = 2;
           var len1 = lineMap1.length;
           var len2 = lineMap2.length;
           while(i1 < len1) {
               if(lineMap1[i1] <= editRange.minChar) {
                   i1++;
               } else {
                   if(lineMap1[i1] >= editRange.limChar) {
                       lineMap1[i1] += editRange.delta;
                       i1++;
                   } else {
                       if(i2 < len2) {
                           lineMap1.splice(i1, 0, lineMap2[i2] + editRange.minChar);
                           i1++;
                           len1++;
                           i2++;
                       } else {
                           lineMap1.splice(i1, 1);
                           len1--;
                       }
                   }
               }
           }
           if(i2 < len2) {
               if(lineMap1[len1 - 1] >= (lineMap2[i2] + editRange.minChar)) {
                   i1 = 2;
                   while(i1 < len1 && i2 < len2) {
                       if(lineMap1[i1] < (lineMap2[i2] + editRange.minChar)) {
                           i1++;
                       } else {
                           lineMap1.splice(i1, 0, lineMap2[i2] + editRange.minChar);
                           i1++;
                           len1++;
                           i2++;
                       }
                   }
               }
               for(; i2 < len2; i2++) {
                   lineMap1.push(lineMap2[i2] + editRange.minChar);
               }
           }
           if(this.logger.information()) {
               this.logger.log("lineMap1 (after merge):");
               this.astLogger.logLinemap(lineMap1);
           }
       };
       IncrementalParser.prototype.applyDeltaPosition = function (ast, start, delta) {
           var applyDelta = function (ast) {
               if(ast.minChar !== -1 && ast.minChar >= start) {
                   ast.minChar += delta;
               }
               if(ast.limChar !== -1 && ast.limChar >= start) {
                   ast.limChar += delta;
               }
           };
           var applyDeltaToComments = function (comments) {
               if(comments && comments.length > 0) {
                   for(var i = 0; i < comments.length; i++) {
                       applyDelta(comments[i]);
                   }
               }
           };
           var pre = function (cur, parent, walker) {
               if(cur.limChar !== -1 && cur.limChar < start) {
                   walker.options.goChildren = false;
               }
               applyDelta(cur);
               applyDeltaToComments(cur.preComments);
               applyDeltaToComments(cur.postComments);
               return cur;
           };
           TypeScript.getAstWalkerFactory().walk(ast, pre);
       };
       return IncrementalParser;
   })();
   TypeScript.IncrementalParser = IncrementalParser;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   var DeclFileWriter = (function () {
       function DeclFileWriter(declFile) {
           this.declFile = declFile;
           this.onNewLine = true;
       }
       DeclFileWriter.prototype.Write = function (s) {
           this.declFile.Write(s);
           this.onNewLine = false;
       };
       DeclFileWriter.prototype.WriteLine = function (s) {
           this.declFile.WriteLine(s);
           this.onNewLine = true;
       };
       DeclFileWriter.prototype.Close = function () {
           this.declFile.Close();
       };
       return DeclFileWriter;
   })();
   TypeScript.DeclFileWriter = DeclFileWriter;    
   var DeclarationEmitter = (function () {
       function DeclarationEmitter(checker, emitOptions, errorReporter) {
           this.checker = checker;
           this.emitOptions = emitOptions;
           this.errorReporter = errorReporter;
           this.declFile = null;
           this.indenter = new TypeScript.Indenter();
           this.declarationContainerStack = [];
           this.isDottedModuleName = [];
           this.ignoreCallbackAst = null;
           this.singleDeclFile = null;
           this.varListCount = 0;
       }
       DeclarationEmitter.prototype.getAstDeclarationContainer = function () {
           return this.declarationContainerStack[this.declarationContainerStack.length - 1];
       };
       DeclarationEmitter.prototype.emitDottedModuleName = function () {
           return (this.isDottedModuleName.length == 0) ? false : this.isDottedModuleName[this.isDottedModuleName.length - 1];
       };
       DeclarationEmitter.prototype.setDeclarationFile = function (file) {
           this.declFile = new DeclFileWriter(file);
       };
       DeclarationEmitter.prototype.Close = function () {
           try  {
               this.declFile.Close();
           } catch (ex) {
               this.errorReporter.emitterError(null, ex.message);
           }
       };
       DeclarationEmitter.prototype.emitDeclarations = function (script) {
           TypeScript.AstWalkerWithDetailCallback.walk(script, this);
       };
       DeclarationEmitter.prototype.getIndentString = function (declIndent) {
           if (typeof declIndent === "undefined") { declIndent = false; }
           if(this.emitOptions.minWhitespace) {
               return "";
           } else {
               return this.indenter.getIndent();
           }
       };
       DeclarationEmitter.prototype.emitIndent = function () {
           this.declFile.Write(this.getIndentString());
       };
       DeclarationEmitter.prototype.canEmitSignature = function (declFlags, canEmitGlobalAmbientDecl, useDeclarationContainerTop) {
           if (typeof canEmitGlobalAmbientDecl === "undefined") { canEmitGlobalAmbientDecl = true; }
           if (typeof useDeclarationContainerTop === "undefined") { useDeclarationContainerTop = true; }
           var container;
           if(useDeclarationContainerTop) {
               container = this.getAstDeclarationContainer();
           } else {
               container = this.declarationContainerStack[this.declarationContainerStack.length - 2];
           }
           if(container.nodeType == TypeScript.NodeType.ModuleDeclaration && !TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Exported)) {
               return false;
           }
           if(!canEmitGlobalAmbientDecl && container.nodeType == TypeScript.NodeType.Script && TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Ambient)) {
               return false;
           }
           return true;
       };
       DeclarationEmitter.prototype.canEmitPrePostAstSignature = function (declFlags, astWithPrePostCallback, preCallback) {
           if(this.ignoreCallbackAst) {
               TypeScript.CompilerDiagnostics.assert(this.ignoreCallbackAst != astWithPrePostCallback, "Ignore Callback AST mismatch");
               this.ignoreCallbackAst = null;
               return false;
           } else {
               if(preCallback && !this.canEmitSignature(declFlags, true, preCallback)) {
                   this.ignoreCallbackAst = astWithPrePostCallback;
                   return false;
               }
           }
           return true;
       };
       DeclarationEmitter.prototype.getDeclFlagsString = function (declFlags, typeString) {
           var result = this.getIndentString();
           var accessorString = "";
           if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.GetAccessor)) {
               accessorString = "get ";
           } else {
               if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.SetAccessor)) {
                   accessorString = "set ";
               }
           }
           var container = this.getAstDeclarationContainer();
           if(container.nodeType == TypeScript.NodeType.ModuleDeclaration && TypeScript.hasFlag((container).modFlags, TypeScript.ModuleFlags.IsWholeFile) && TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Exported)) {
               result += "export ";
           }
           if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.LocalStatic) || TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Static)) {
               result += "static " + accessorString;
           } else {
               if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Private)) {
                   result += "private " + accessorString;
               } else {
                   if(TypeScript.hasFlag(declFlags, TypeScript.DeclFlags.Public)) {
                       result += "public " + accessorString;
                   } else {
                       if(accessorString == "") {
                           result += typeString + " ";
                       } else {
                           result += accessorString;
                       }
                   }
               }
           }
           return result;
       };
       DeclarationEmitter.prototype.emitDeclFlags = function (declFlags, typeString) {
           this.declFile.Write(this.getDeclFlagsString(declFlags, typeString));
       };
       DeclarationEmitter.prototype.canEmitTypeAnnotationSignature = function (declFlag) {
           if (typeof declFlag === "undefined") { declFlag = TypeScript.DeclFlags.None; }
           return !TypeScript.hasFlag(declFlag, TypeScript.DeclFlags.Private);
       };
       DeclarationEmitter.prototype.pushDeclarationContainer = function (ast) {
           this.declarationContainerStack.push(ast);
       };
       DeclarationEmitter.prototype.popDeclarationContainer = function (ast) {
           TypeScript.CompilerDiagnostics.assert(ast != this.getAstDeclarationContainer(), 'Declaration container mismatch');
           this.declarationContainerStack.pop();
       };
       DeclarationEmitter.prototype.emitTypeNamesMember = function (memberName, emitIndent) {
           if (typeof emitIndent === "undefined") { emitIndent = false; }
           if(memberName.prefix == "{ ") {
               if(emitIndent) {
                   this.emitIndent();
               }
               this.declFile.WriteLine("{");
               this.indenter.increaseIndent();
               emitIndent = true;
           } else {
               if(memberName.prefix != "") {
                   if(emitIndent) {
                       this.emitIndent();
                   }
                   this.declFile.Write(memberName.prefix);
                   emitIndent = false;
               }
           }
           if(memberName.isString()) {
               if(emitIndent) {
                   this.emitIndent();
               }
               this.declFile.Write((memberName).text);
           } else {
               var ar = memberName;
               for(var index = 0; index < ar.entries.length; index++) {
                   this.emitTypeNamesMember(ar.entries[index], emitIndent);
                   if(ar.delim == "; ") {
                       this.declFile.WriteLine(";");
                   }
               }
           }
           if(memberName.suffix == "}") {
               this.indenter.decreaseIndent();
               this.emitIndent();
               this.declFile.Write(memberName.suffix);
           } else {
               this.declFile.Write(memberName.suffix);
           }
       };
       DeclarationEmitter.prototype.emitTypeSignature = function (type) {
           var containingScope = null;
           var declarationContainerAst = this.getAstDeclarationContainer();
           switch(declarationContainerAst.nodeType) {
               case TypeScript.NodeType.ModuleDeclaration:
               case TypeScript.NodeType.InterfaceDeclaration:
               case TypeScript.NodeType.FuncDecl: {
                   if(declarationContainerAst.type) {
                       containingScope = declarationContainerAst.type.containedScope;
                   }
                   break;

               }
               case TypeScript.NodeType.Script: {
                   var script = declarationContainerAst;
                   if(script.bod) {
                       containingScope = script.bod.enclosingScope;
                   }
                   break;

               }
               case TypeScript.NodeType.ClassDeclaration: {
                   if(declarationContainerAst.type) {
                       containingScope = declarationContainerAst.type.instanceType.containedScope;
                   }
                   break;

               }
               default: {
                   TypeScript.CompilerDiagnostics.debugPrint("Unknown containing scope");

               }
           }
           var typeNameMembers = type.getScopedTypeNameEx(containingScope);
           this.emitTypeNamesMember(typeNameMembers);
       };
       DeclarationEmitter.prototype.emitComment = function (comment) {
           var text = comment.getText();
           if(this.declFile.onNewLine) {
               this.emitIndent();
           } else {
               if(!comment.isBlockComment) {
                   this.declFile.WriteLine("");
                   this.emitIndent();
               }
           }
           this.declFile.Write(text[0]);
           for(var i = 1; i < text.length; i++) {
               this.declFile.WriteLine("");
               this.emitIndent();
               this.declFile.Write(text[i]);
           }
           if(comment.endsLine || !comment.isBlockComment) {
               this.declFile.WriteLine("");
           } else {
               this.declFile.Write(" ");
           }
       };
       DeclarationEmitter.prototype.emitDeclarationComments = function (astOrSymbol, endLine) {
           if (typeof endLine === "undefined") { endLine = true; }
           if(!this.emitOptions.emitComments) {
               return;
           }
           var declComments = astOrSymbol.getDocComments();
           if(declComments.length > 0) {
               for(var i = 0; i < declComments.length; i++) {
                   this.emitComment(declComments[i]);
               }
               if(endLine) {
                   if(!this.declFile.onNewLine) {
                       this.declFile.WriteLine("");
                   }
               } else {
                   if(this.declFile.onNewLine) {
                       this.emitIndent();
                   }
               }
           }
       };
       DeclarationEmitter.prototype.VarDeclCallback = function (pre, varDecl) {
           if(pre && this.canEmitSignature(TypeScript.ToDeclFlags(varDecl.varFlags), false)) {
               var interfaceMember = (this.getAstDeclarationContainer().nodeType == TypeScript.NodeType.InterfaceDeclaration);
               this.emitDeclarationComments(varDecl);
               if(!interfaceMember) {
                   if(this.varListCount >= 0) {
                       this.emitDeclFlags(TypeScript.ToDeclFlags(varDecl.varFlags), "var");
                       this.varListCount = -this.varListCount;
                   }
                   this.declFile.Write(varDecl.id.text);
               } else {
                   this.emitIndent();
                   this.declFile.Write(varDecl.id.text);
                   if(TypeScript.hasFlag(varDecl.id.flags, TypeScript.ASTFlags.OptionalName)) {
                       this.declFile.Write("?");
                   }
               }
               var type = null;
               if(varDecl.typeExpr && varDecl.typeExpr.type) {
                   type = varDecl.typeExpr.type;
               } else {
                   if(varDecl.sym) {
                       type = (varDecl.sym).getType();
                       if(type == this.checker.anyType) {
                           type = null;
                       }
                   }
               }
               if(type && this.canEmitTypeAnnotationSignature(TypeScript.ToDeclFlags(varDecl.varFlags))) {
                   this.declFile.Write(": ");
                   this.emitTypeSignature(type);
               }
               if(this.varListCount > 0) {
                   this.varListCount--;
               } else {
                   if(this.varListCount < 0) {
                       this.varListCount++;
                   }
               }
               if(this.varListCount < 0) {
                   this.declFile.Write(", ");
               } else {
                   this.declFile.WriteLine(";");
               }
           }
           return false;
       };
       DeclarationEmitter.prototype.BlockCallback = function (pre, block) {
           if(!block.isStatementBlock) {
               if(pre) {
                   this.varListCount = block.statements.members.length;
               } else {
                   this.varListCount = 0;
               }
               return true;
           }
           return false;
       };
       DeclarationEmitter.prototype.emitArgDecl = function (argDecl, funcDecl) {
           this.emitDeclarationComments(argDecl, false);
           this.declFile.Write(argDecl.id.text);
           if(argDecl.isOptionalArg()) {
               this.declFile.Write("?");
           }
           if((argDecl.typeExpr || argDecl.type != this.checker.anyType) && this.canEmitTypeAnnotationSignature(TypeScript.ToDeclFlags(funcDecl.fncFlags))) {
               this.declFile.Write(": ");
               this.emitTypeSignature(argDecl.type);
           }
       };
       DeclarationEmitter.prototype.FuncDeclCallback = function (pre, funcDecl) {
           if(!pre) {
               return false;
           }
           if(funcDecl.isAccessor()) {
               return this.emitPropertyAccessorSignature(funcDecl);
           }
           var isInterfaceMember = (this.getAstDeclarationContainer().nodeType == TypeScript.NodeType.InterfaceDeclaration);
           if(funcDecl.bod) {
               if(funcDecl.isConstructor) {
                   if(funcDecl.type.construct && funcDecl.type.construct.signatures.length > 1) {
                       return false;
                   }
               } else {
                   if(funcDecl.type.call && funcDecl.type.call.signatures.length > 1) {
                       return false;
                   }
               }
           } else {
               if(!isInterfaceMember && TypeScript.hasFlag(funcDecl.fncFlags, TypeScript.FncFlags.Private) && funcDecl.type.call && funcDecl.type.call.signatures.length > 1) {
                   var signatures = funcDecl.type.call.signatures;
                   var firstSignature = signatures[0].declAST;
                   if(firstSignature.bod) {
                       firstSignature = signatures[1].declAST;
                   }
                   if(firstSignature != funcDecl) {
                       return false;
                   }
               }
           }
           if(!this.canEmitSignature(TypeScript.ToDeclFlags(funcDecl.fncFlags), false)) {
               return false;
           }
           this.emitDeclarationComments(funcDecl);
           if(funcDecl.isConstructor) {
               this.emitIndent();
               this.declFile.Write("constructor");
           } else {
               var id = funcDecl.getNameText();
               if(!isInterfaceMember) {
                   this.emitDeclFlags(TypeScript.ToDeclFlags(funcDecl.fncFlags), "function");
                   this.declFile.Write(id);
               } else {
                   this.emitIndent();
                   if(funcDecl.isConstructMember()) {
                       this.declFile.Write("new");
                   } else {
                       if(!funcDecl.isCallMember() && !funcDecl.isIndexerMember()) {
                           this.declFile.Write(id);
                           if(TypeScript.hasFlag(funcDecl.name.flags, TypeScript.ASTFlags.OptionalName)) {
                               this.declFile.Write("? ");
                           }
                       }
                   }
               }
           }
           if(!funcDecl.isIndexerMember()) {
               this.declFile.Write("(");
           } else {
               this.declFile.Write("[");
           }
           this.indenter.increaseIndent();
           if(funcDecl.arguments) {
               var argsLen = funcDecl.arguments.members.length;
               if(funcDecl.variableArgList) {
                   argsLen--;
               }
               for(var i = 0; i < argsLen; i++) {
                   var argDecl = funcDecl.arguments.members[i];
                   this.emitArgDecl(argDecl, funcDecl);
                   if(i < (argsLen - 1)) {
                       this.declFile.Write(", ");
                   }
               }
           }
           if(funcDecl.variableArgList) {
               var lastArg = funcDecl.arguments.members[funcDecl.arguments.members.length - 1];
               if(funcDecl.arguments.members.length > 1) {
                   this.declFile.Write(", ...");
               } else {
                   this.declFile.Write("...");
               }
               this.emitArgDecl(lastArg, funcDecl);
           }
           this.indenter.decreaseIndent();
           if(!funcDecl.isIndexerMember()) {
               this.declFile.Write(")");
           } else {
               this.declFile.Write("]");
           }
           if(!funcDecl.isConstructor && (funcDecl.returnTypeAnnotation || funcDecl.signature.returnType.type != this.checker.anyType) && this.canEmitTypeAnnotationSignature(TypeScript.ToDeclFlags(funcDecl.fncFlags))) {
               this.declFile.Write(": ");
               this.emitTypeSignature(funcDecl.signature.returnType.type);
           }
           this.declFile.WriteLine(";");
           return false;
       };
       DeclarationEmitter.prototype.emitBaseList = function (bases, qual) {
           if(bases && (bases.members.length > 0)) {
               this.declFile.Write(" " + qual + " ");
               var basesLen = bases.members.length;
               for(var i = 0; i < basesLen; i++) {
                   var baseExpr = bases.members[i];
                   var baseSymbol = baseExpr.type.symbol;
                   var baseType = baseExpr.type;
                   if(i > 0) {
                       this.declFile.Write(", ");
                   }
                   this.emitTypeSignature(baseType);
               }
           }
       };
       DeclarationEmitter.prototype.emitPropertyAccessorSignature = function (funcDecl) {
           var accessorSymbol = funcDecl.accessorSymbol;
           if(accessorSymbol.getter && accessorSymbol.getter.declAST != funcDecl) {
               return false;
           }
           this.emitDeclarationComments(accessorSymbol);
           this.emitDeclFlags(TypeScript.ToDeclFlags(accessorSymbol.flags), "var");
           this.declFile.Write(funcDecl.name.text);
           var propertyType = accessorSymbol.getType();
           if(this.canEmitTypeAnnotationSignature(TypeScript.ToDeclFlags(accessorSymbol.flags))) {
               this.declFile.Write(" : ");
               this.emitTypeSignature(propertyType);
           }
           this.declFile.WriteLine(";");
           return false;
       };
       DeclarationEmitter.prototype.emitClassMembersFromConstructorDefinition = function (funcDecl) {
           if(funcDecl.arguments) {
               var argsLen = funcDecl.arguments.members.length;
               if(funcDecl.variableArgList) {
                   argsLen--;
               }
               for(var i = 0; i < argsLen; i++) {
                   var argDecl = funcDecl.arguments.members[i];
                   if(TypeScript.hasFlag(argDecl.varFlags, TypeScript.VarFlags.Property)) {
                       this.emitDeclarationComments(argDecl);
                       this.emitDeclFlags(TypeScript.ToDeclFlags(argDecl.varFlags), "var");
                       this.declFile.Write(argDecl.id.text);
                       if(argDecl.typeExpr && this.canEmitTypeAnnotationSignature(TypeScript.ToDeclFlags(argDecl.varFlags))) {
                           this.declFile.Write(": ");
                           this.emitTypeSignature(argDecl.type);
                       }
                       this.declFile.WriteLine(";");
                   }
               }
           }
       };
       DeclarationEmitter.prototype.ClassDeclarationCallback = function (pre, classDecl) {
           if(!this.canEmitPrePostAstSignature(TypeScript.ToDeclFlags(classDecl.varFlags), classDecl, pre)) {
               return false;
           }
           if(pre) {
               var className = classDecl.name.text;
               this.emitDeclarationComments(classDecl);
               this.emitDeclFlags(TypeScript.ToDeclFlags(classDecl.varFlags), "class");
               this.declFile.Write(className);
               this.emitBaseList(classDecl.extendsList, "extends");
               this.emitBaseList(classDecl.implementsList, "implements");
               this.declFile.WriteLine(" {");
               this.pushDeclarationContainer(classDecl);
               this.indenter.increaseIndent();
               if(classDecl.constructorDecl) {
                   this.emitClassMembersFromConstructorDefinition(classDecl.constructorDecl);
               }
           } else {
               this.indenter.decreaseIndent();
               this.popDeclarationContainer(classDecl);
               this.emitIndent();
               this.declFile.WriteLine("}");
           }
           return true;
       };
       DeclarationEmitter.prototype.InterfaceDeclarationCallback = function (pre, interfaceDecl) {
           if(!this.canEmitPrePostAstSignature(TypeScript.ToDeclFlags(interfaceDecl.varFlags), interfaceDecl, pre)) {
               return false;
           }
           if(pre) {
               var interfaceName = interfaceDecl.name.text;
               this.emitDeclarationComments(interfaceDecl);
               this.emitDeclFlags(TypeScript.ToDeclFlags(interfaceDecl.varFlags), "interface");
               this.declFile.Write(interfaceName);
               this.emitBaseList(interfaceDecl.extendsList, "extends");
               this.declFile.WriteLine(" {");
               this.indenter.increaseIndent();
               this.pushDeclarationContainer(interfaceDecl);
           } else {
               this.indenter.decreaseIndent();
               this.popDeclarationContainer(interfaceDecl);
               this.emitIndent();
               this.declFile.WriteLine("}");
           }
           return true;
       };
       DeclarationEmitter.prototype.ImportDeclarationCallback = function (pre, importDecl) {
           if(pre) {
               if((this.declarationContainerStack[0]).isExternallyVisibleSymbol(importDecl.id.sym)) {
                   this.emitDeclarationComments(importDecl);
                   this.emitIndent();
                   this.declFile.Write("import ");
                   this.declFile.Write(importDecl.id.text + " = ");
                   if(importDecl.isDynamicImport) {
                       this.declFile.WriteLine("module (" + importDecl.getAliasName() + ");");
                   } else {
                       this.declFile.WriteLine(importDecl.getAliasName() + ";");
                   }
               }
           }
           return false;
       };
       DeclarationEmitter.prototype.emitEnumSignature = function (moduleDecl) {
           if(!this.canEmitSignature(TypeScript.ToDeclFlags(moduleDecl.modFlags))) {
               return false;
           }
           this.emitDeclarationComments(moduleDecl);
           this.emitDeclFlags(TypeScript.ToDeclFlags(moduleDecl.modFlags), "enum");
           this.declFile.WriteLine(moduleDecl.name.text + " {");
           this.indenter.increaseIndent();
           var membersLen = moduleDecl.members.members.length;
           for(var j = 1; j < membersLen; j++) {
               var memberDecl = moduleDecl.members.members[j];
               if(memberDecl.nodeType == TypeScript.NodeType.VarDecl) {
                   this.emitDeclarationComments(memberDecl);
                   this.emitIndent();
                   this.declFile.WriteLine((memberDecl).id.text + ",");
               } else {
                   TypeScript.CompilerDiagnostics.assert(memberDecl.nodeType != TypeScript.NodeType.Asg, "We want to catch this");
               }
           }
           this.indenter.decreaseIndent();
           this.emitIndent();
           this.declFile.WriteLine("}");
           return false;
       };
       DeclarationEmitter.prototype.ModuleDeclarationCallback = function (pre, moduleDecl) {
           if(TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsWholeFile)) {
               if(TypeScript.hasFlag(moduleDecl.modFlags, TypeScript.ModuleFlags.IsDynamic)) {
                   if(pre) {
                       if(!this.emitOptions.outputMany) {
                           this.singleDeclFile = this.declFile;
                           TypeScript.CompilerDiagnostics.assert(this.indenter.indentAmt == 0, "Indent has to be 0 when outputing new file");
                           var declareFileName = this.emitOptions.mapOutputFileName(TypeScript.stripQuotes(moduleDecl.name.sym.name), TypeScript.TypeScriptCompiler.mapToDTSFileName);
                           var useUTF8InOutputfile = moduleDecl.containsUnicodeChar || (this.emitOptions.emitComments && moduleDecl.containsUnicodeCharInComment);
                           try  {
                               this.declFile = new DeclFileWriter(this.emitOptions.ioHost.createFile(declareFileName, useUTF8InOutputfile));
                           } catch (ex) {
                               this.errorReporter.emitterError(null, ex.message);
                           }
                       }
                       this.pushDeclarationContainer(moduleDecl);
                   } else {
                       if(!this.emitOptions.outputMany) {
                           TypeScript.CompilerDiagnostics.assert(this.singleDeclFile != this.declFile, "singleDeclFile cannot be null as we are going to revert back to it");
                           TypeScript.CompilerDiagnostics.assert(this.indenter.indentAmt == 0, "Indent has to be 0 when outputing new file");
                           try  {
                               this.declFile.Close();
                           } catch (ex) {
                               this.errorReporter.emitterError(null, ex.message);
                           }
                           this.declFile = this.singleDeclFile;
                       }
                       this.popDeclarationContainer(moduleDecl);
                   }
               }
               return true;
           }
           if(moduleDecl.isEnum()) {
               if(pre) {
                   this.emitEnumSignature(moduleDecl);
               }
               return false;
           }
           if(!this.canEmitPrePostAstSignature(TypeScript.ToDeclFlags(moduleDecl.modFlags), moduleDecl, pre)) {
               return false;
           }
           if(pre) {
               if(this.emitDottedModuleName()) {
                   this.dottedModuleEmit += ".";
               } else {
                   this.dottedModuleEmit = this.getDeclFlagsString(TypeScript.ToDeclFlags(moduleDecl.modFlags), "module");
               }
               this.dottedModuleEmit += moduleDecl.name.text;
               var isCurrentModuleDotted = (moduleDecl.members.members.length == 1 && moduleDecl.members.members[0].nodeType == TypeScript.NodeType.ModuleDeclaration && !(moduleDecl.members.members[0]).isEnum() && TypeScript.hasFlag((moduleDecl.members.members[0]).modFlags, TypeScript.ModuleFlags.Exported));
               var moduleDeclComments = moduleDecl.getDocComments();
               isCurrentModuleDotted = isCurrentModuleDotted && (moduleDeclComments == null || moduleDeclComments.length == 0);
               this.isDottedModuleName.push(isCurrentModuleDotted);
               this.pushDeclarationContainer(moduleDecl);
               if(!isCurrentModuleDotted) {
                   this.emitDeclarationComments(moduleDecl);
                   this.declFile.Write(this.dottedModuleEmit);
                   this.declFile.WriteLine(" {");
                   this.indenter.increaseIndent();
               }
           } else {
               if(!this.emitDottedModuleName()) {
                   this.indenter.decreaseIndent();
                   this.emitIndent();
                   this.declFile.WriteLine("}");
               }
               this.popDeclarationContainer(moduleDecl);
               this.isDottedModuleName.pop();
           }
           return true;
       };
       DeclarationEmitter.prototype.ScriptCallback = function (pre, script) {
           if(pre) {
               if(this.emitOptions.outputMany) {
                   for(var i = 0; i < script.referencedFiles.length; i++) {
                       var referencePath = script.referencedFiles[i].path;
                       var declareFileName;
                       if(TypeScript.isRooted(referencePath)) {
                           declareFileName = this.emitOptions.mapOutputFileName(referencePath, TypeScript.TypeScriptCompiler.mapToDTSFileName);
                       } else {
                           declareFileName = TypeScript.getDeclareFilePath(script.referencedFiles[i].path);
                       }
                       this.declFile.WriteLine('/// <reference path="' + declareFileName + '" />');
                   }
               }
               this.pushDeclarationContainer(script);
           } else {
               this.popDeclarationContainer(script);
           }
           return true;
       };
       DeclarationEmitter.prototype.DefaultCallback = function (pre, ast) {
           return !TypeScript.hasFlag(ast.flags, TypeScript.ASTFlags.IsStatement);
       };
       return DeclarationEmitter;
   })();
   TypeScript.DeclarationEmitter = DeclarationEmitter;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (UpdateUnitKind) {
       UpdateUnitKind._map = [];
       UpdateUnitKind._map[0] = "Unknown";
       UpdateUnitKind.Unknown = 0;
       UpdateUnitKind._map[1] = "NoEdits";
       UpdateUnitKind.NoEdits = 1;
       UpdateUnitKind._map[2] = "EditsInsideSingleScope";
       UpdateUnitKind.EditsInsideSingleScope = 2;
   })(TypeScript.UpdateUnitKind || (TypeScript.UpdateUnitKind = {}));
   var UpdateUnitKind = TypeScript.UpdateUnitKind;
   var ScriptEditRange = (function () {
       function ScriptEditRange(minChar, limChar, delta) {
           this.minChar = minChar;
           this.limChar = limChar;
           this.delta = delta;
       }
       ScriptEditRange.unknown = function unknown() {
           return new ScriptEditRange(-1, -1, -1);
       }
       ScriptEditRange.prototype.isUnknown = function () {
           return this.minChar === -1 && this.limChar === -1 && this.delta === -1;
       };
       ScriptEditRange.prototype.containsPosition = function (pos) {
           return (this.minChar <= pos && pos < this.limChar) || (this.minChar <= pos && pos < this.limChar + this.delta);
       };
       ScriptEditRange.prototype.toString = function () {
           return "editRange(minChar=" + this.minChar + ", limChar=" + this.limChar + ", delta=" + this.delta + ")";
       };
       return ScriptEditRange;
   })();
   TypeScript.ScriptEditRange = ScriptEditRange;    
   var UpdateUnitResult = (function () {
       function UpdateUnitResult(kind, unitIndex, script1, script2) {
           this.kind = kind;
           this.unitIndex = unitIndex;
           this.script1 = script1;
           this.script2 = script2;
           this.scope1 = null;
           this.scope2 = null;
           this.editRange = null;
           this.parseErrors = [];
       }
       UpdateUnitResult.noEdits = function noEdits(unitIndex) {
           return new UpdateUnitResult(UpdateUnitKind.NoEdits, unitIndex, null, null);
       }
       UpdateUnitResult.unknownEdits = function unknownEdits(script1, script2, parseErrors) {
           var result = new UpdateUnitResult(UpdateUnitKind.Unknown, script1.locationInfo.unitIndex, script1, script2);
           result.parseErrors = parseErrors;
           return result;
       }
       UpdateUnitResult.singleScopeEdits = function singleScopeEdits(script1, script2, scope1, scope2, editRange, parseErrors) {
           var result = new UpdateUnitResult(UpdateUnitKind.EditsInsideSingleScope, script1.locationInfo.unitIndex, script1, script2);
           result.scope1 = scope1;
           result.scope2 = scope2;
           result.editRange = editRange;
           result.parseErrors = parseErrors;
           return result;
       }
       return UpdateUnitResult;
   })();
   TypeScript.UpdateUnitResult = UpdateUnitResult;    
   var ErrorEntry = (function () {
       function ErrorEntry(unitIndex, minChar, limChar, message) {
           this.unitIndex = unitIndex;
           this.minChar = minChar;
           this.limChar = limChar;
           this.message = message;
       }
       return ErrorEntry;
   })();
   TypeScript.ErrorEntry = ErrorEntry;    
   TypeScript.defaultSettings = new TypeScript.CompilationSettings();
   var TypeScriptCompiler = (function () {
       function TypeScriptCompiler(errorOutput, logger, settings) {
           if (typeof logger === "undefined") { logger = new TypeScript.NullLogger(); }
           if (typeof settings === "undefined") { settings = TypeScript.defaultSettings; }
           this.errorOutput = errorOutput;
           this.logger = logger;
           this.settings = settings;
           this.parser = new TypeScript.Parser();
           this.typeFlow = null;
           this.scripts = new TypeScript.ASTList();
           this.units = new Array();
           this.errorReporter = new TypeScript.ErrorReporter(this.errorOutput);
           this.persistentTypeState = new TypeScript.PersistentGlobalTypeState(this.errorReporter);
           this.errorReporter.parser = this.parser;
           this.initTypeChecker(this.errorOutput);
           this.parser.style_requireSemi = this.settings.styleSettings.requireSemi;
           this.parser.style_funcInLoop = this.settings.styleSettings.funcInLoop;
           this.parser.inferPropertiesFromThisAssignment = this.settings.inferPropertiesFromThisAssignment;
           this.emitSettings = new TypeScript.EmitOptions(this.settings);
           TypeScript.codeGenTarget = settings.codeGenTarget;
       }
       TypeScriptCompiler.prototype.timeFunction = function (funcDescription, func) {
           return TypeScript.timeFunction(this.logger, funcDescription, func);
       };
       TypeScriptCompiler.prototype.initTypeChecker = function (errorOutput) {
           this.persistentTypeState.refreshPersistentState();
           this.typeChecker = new TypeScript.TypeChecker(this.persistentTypeState);
           this.typeChecker.errorReporter = this.errorReporter;
           this.typeChecker.checkControlFlow = this.settings.controlFlow;
           this.typeChecker.checkControlFlowUseDef = this.settings.controlFlowUseDef;
           this.typeChecker.printControlFlowGraph = this.settings.printControlFlow;
           this.typeChecker.errorsOnWith = this.settings.errorOnWith;
           this.typeChecker.styleSettings = this.settings.styleSettings;
           this.typeChecker.canCallDefinitionSignature = this.settings.canCallDefinitionSignature;
           this.errorReporter.checker = this.typeChecker;
           this.setErrorOutput(this.errorOutput);
       };
       TypeScriptCompiler.prototype.setErrorOutput = function (outerr) {
           this.errorOutput = outerr;
           this.errorReporter.setErrOut(outerr);
           this.parser.outfile = outerr;
       };
       TypeScriptCompiler.prototype.emitCommentsToOutput = function () {
           this.emitSettings = new TypeScript.EmitOptions(this.settings);
       };
       TypeScriptCompiler.prototype.setErrorCallback = function (fn) {
           this.parser.errorCallback = fn;
       };
       TypeScriptCompiler.prototype.updateUnit = function (prog, filename, setRecovery) {
           return this.updateSourceUnit(new TypeScript.StringSourceText(prog), filename, setRecovery);
       };
       TypeScriptCompiler.prototype.updateSourceUnit = function (sourceText, filename, setRecovery) {
           var _this = this;
           return this.timeFunction("updateSourceUnit(" + filename + ")", function () {
               var updateResult = _this.partialUpdateUnit(sourceText, filename, setRecovery);
               return _this.applyUpdateResult(updateResult);
           });
       };
       TypeScriptCompiler.prototype.applyUpdateResult = function (updateResult) {
           switch(updateResult.kind) {
               case UpdateUnitKind.NoEdits: {
                   return false;

               }
               case UpdateUnitKind.Unknown: {
                   this.scripts.members[updateResult.unitIndex] = updateResult.script2;
                   this.units[updateResult.unitIndex] = updateResult.script2.locationInfo;
                   for(var i = 0, len = updateResult.parseErrors.length; i < len; i++) {
                       var e = updateResult.parseErrors[i];
                       if(this.parser.errorCallback) {
                           this.parser.errorCallback(e.minChar, e.limChar - e.minChar, e.message, e.unitIndex);
                       }
                   }
                   return true;

               }
               case UpdateUnitKind.EditsInsideSingleScope: {
                   new TypeScript.IncrementalParser(this.logger).mergeTrees(updateResult);
                   return true;

               }
           }
       };
       TypeScriptCompiler.prototype.partialUpdateUnit = function (sourceText, filename, setRecovery) {
           var _this = this;
           return this.timeFunction("partialUpdateUnit(" + filename + ")", function () {
               for(var i = 0, len = _this.units.length; i < len; i++) {
                   if(_this.units[i].filename == filename) {
                       if((_this.scripts.members[i]).isResident) {
                           return UpdateUnitResult.noEdits(i);
                       }
                       if(setRecovery) {
                           _this.parser.setErrorRecovery(null);
                       }
                       var updateResult;
                       var parseErrors = [];
                       var errorCapture = function (minChar, charLen, message, unitIndex) {
                           parseErrors.push(new ErrorEntry(unitIndex, minChar, minChar + charLen, message));
                       };
                       var svErrorCallback = _this.parser.errorCallback;
                       if(svErrorCallback) {
                           _this.parser.errorCallback = errorCapture;
                       }
                       var oldScript = _this.scripts.members[i];
                       var newScript = _this.parser.parse(sourceText, filename, i);
                       if(svErrorCallback) {
                           _this.parser.errorCallback = svErrorCallback;
                       }
                       updateResult = UpdateUnitResult.unknownEdits(oldScript, newScript, parseErrors);
                       return updateResult;
                   }
               }
               throw new Error("Unknown file \"" + filename + "\"");
           });
       };
       TypeScriptCompiler.prototype.addUnit = function (prog, filename, keepResident, referencedFiles) {
           if (typeof keepResident === "undefined") { keepResident = false; }
           if (typeof referencedFiles === "undefined") { referencedFiles = []; }
           return this.addSourceUnit(new TypeScript.StringSourceText(prog), filename, keepResident, referencedFiles);
       };
       TypeScriptCompiler.prototype.addSourceUnit = function (sourceText, filename, keepResident, referencedFiles) {
           if (typeof referencedFiles === "undefined") { referencedFiles = []; }
           var _this = this;
           return this.timeFunction("addSourceUnit(" + filename + ", " + keepResident + ")", function () {
               var script = _this.parser.parse(sourceText, filename, _this.units.length, TypeScript.AllowedElements.Global);
               script.referencedFiles = referencedFiles;
               script.isResident = keepResident;
               _this.persistentTypeState.setCollectionMode(keepResident ? TypeScript.TypeCheckCollectionMode.Resident : TypeScript.TypeCheckCollectionMode.Transient);
               var index = _this.units.length;
               _this.units[index] = script.locationInfo;
               _this.typeChecker.collectTypes(script);
               _this.scripts.append(script);
               return script;
           });
       };
       TypeScriptCompiler.prototype.parseUnit = function (prog, filename) {
           return this.parseSourceUnit(new TypeScript.StringSourceText(prog), filename);
       };
       TypeScriptCompiler.prototype.parseSourceUnit = function (sourceText, filename) {
           this.parser.setErrorRecovery(this.errorOutput);
           var script = this.parser.parse(sourceText, filename, 0);
           var index = this.units.length;
           this.units[index] = script.locationInfo;
           this.typeChecker.collectTypes(script);
           this.scripts.append(script);
       };
       TypeScriptCompiler.prototype.typeCheck = function () {
           var _this = this;
           return this.timeFunction("typeCheck()", function () {
               var binder = new TypeScript.Binder(_this.typeChecker);
               _this.typeChecker.units = _this.units;
               binder.bind(_this.typeChecker.globalScope, _this.typeChecker.globals);
               binder.bind(_this.typeChecker.globalScope, _this.typeChecker.ambientGlobals);
               binder.bind(_this.typeChecker.globalScope, _this.typeChecker.globalTypes);
               binder.bind(_this.typeChecker.globalScope, _this.typeChecker.ambientGlobalTypes);
               _this.typeFlow = new TypeScript.TypeFlow(_this.logger, _this.typeChecker.globalScope, _this.parser, _this.typeChecker);
               var i = 0;
               var script = null;
               var len = _this.scripts.members.length;
               _this.persistentTypeState.setCollectionMode(TypeScript.TypeCheckCollectionMode.Resident);
               for(i = 0; i < len; i++) {
                   script = _this.scripts.members[i];
                   if(!script.isResident || script.hasBeenTypeChecked) {
                       continue;
                   }
                   _this.typeFlow.assignScopes(script);
                   _this.typeFlow.initLibs();
               }
               for(i = 0; i < len; i++) {
                   script = _this.scripts.members[i];
                   if(!script.isResident || script.hasBeenTypeChecked) {
                       continue;
                   }
                   _this.typeFlow.typeCheck(script);
                   script.hasBeenTypeChecked = true;
               }
               _this.persistentTypeState.setCollectionMode(TypeScript.TypeCheckCollectionMode.Transient);
               len = _this.scripts.members.length;
               for(i = 0; i < len; i++) {
                   script = _this.scripts.members[i];
                   if(script.isResident) {
                       continue;
                   }
                   _this.typeFlow.assignScopes(script);
                   _this.typeFlow.initLibs();
               }
               for(i = 0; i < len; i++) {
                   script = _this.scripts.members[i];
                   if(script.isResident) {
                       continue;
                   }
                   _this.typeFlow.typeCheck(script);
               }
               return null;
           });
       };
       TypeScriptCompiler.prototype.cleanASTTypesForReTypeCheck = function (ast) {
           function cleanASTType(ast, parent) {
               ast.type = null;
               if(ast.nodeType == TypeScript.NodeType.VarDecl) {
                   var vardecl = ast;
                   vardecl.sym = null;
               } else {
                   if(ast.nodeType == TypeScript.NodeType.ArgDecl) {
                       var argdecl = ast;
                       argdecl.sym = null;
                   } else {
                       if(ast.nodeType == TypeScript.NodeType.Name) {
                           var name = ast;
                           name.sym = null;
                       } else {
                           if(ast.nodeType == TypeScript.NodeType.FuncDecl) {
                               var funcdecl = ast;
                               funcdecl.signature = null;
                               funcdecl.freeVariables = new Array();
                               funcdecl.symbols = null;
                               funcdecl.accessorSymbol = null;
                               funcdecl.scopeType = null;
                           } else {
                               if(ast.nodeType == TypeScript.NodeType.ModuleDeclaration) {
                                   var modDecl = ast;
                                   modDecl.mod = null;
                               } else {
                                   if(ast.nodeType == TypeScript.NodeType.With) {
                                       (ast).withSym = null;
                                   } else {
                                       if(ast.nodeType == TypeScript.NodeType.Catch) {
                                           (ast).containedScope = null;
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
               return ast;
           }
           TypeScript.getAstWalkerFactory().walk(ast, cleanASTType);
       };
       TypeScriptCompiler.prototype.cleanTypesForReTypeCheck = function () {
           var _this = this;
           return this.timeFunction("cleanTypesForReTypeCheck()", function () {
               for(var i = 0, len = _this.scripts.members.length; i < len; i++) {
                   var script = _this.scripts.members[i];
                   if((script).isResident) {
                       continue;
                   }
                   _this.cleanASTTypesForReTypeCheck(script);
                   _this.typeChecker.collectTypes(script);
               }
               return null;
           });
       };
       TypeScriptCompiler.prototype.attemptIncrementalTypeCheck = function (updateResult) {
           return this.timeFunction("attemptIncrementalTypeCheck()", function () {
               return false;
           });
       };
       TypeScriptCompiler.prototype.reTypeCheck = function () {
           var _this = this;
           return this.timeFunction("reTypeCheck()", function () {
               TypeScript.CompilerDiagnostics.analysisPass++;
               _this.initTypeChecker(_this.errorOutput);
               _this.persistentTypeState.setCollectionMode(TypeScript.TypeCheckCollectionMode.Transient);
               _this.cleanTypesForReTypeCheck();
               return _this.typeCheck();
           });
       };
       TypeScriptCompiler.prototype.isDynamicModuleCompilation = function () {
           for(var i = 0, len = this.scripts.members.length; i < len; i++) {
               var script = this.scripts.members[i];
               if(!script.isDeclareFile && script.topLevelMod != null) {
                   return true;
               }
           }
           return false;
       };
       TypeScriptCompiler.prototype.updateCommonDirectoryPath = function () {
           var commonComponents = [];
           var commonComponentsLength = -1;
           for(var i = 0, len = this.scripts.members.length; i < len; i++) {
               var script = this.scripts.members[i];
               if(script.emitRequired(this.emitSettings)) {
                   var fileName = script.locationInfo.filename;
                   var fileComponents = TypeScript.filePathComponents(fileName);
                   if(commonComponentsLength == -1) {
                       commonComponents = fileComponents;
                       commonComponentsLength = commonComponents.length;
                   } else {
                       var updatedPath = false;
                       for(var j = 0; j < commonComponentsLength && j < fileComponents.length; j++) {
                           if(commonComponents[j] != fileComponents[j]) {
                               commonComponentsLength = j;
                               updatedPath = true;
                               if(j == 0) {
                                   this.errorReporter.emitterError(null, "Cannot find the common subdirectory path for the input files");
                                   return;
                               }
                               break;
                           }
                       }
                       if(!updatedPath && fileComponents.length < commonComponentsLength) {
                           commonComponentsLength = fileComponents.length;
                       }
                   }
               }
           }
           this.emitSettings.commonDirectoryPath = commonComponents.slice(0, commonComponentsLength).join("/") + "/";
           if(this.emitSettings.outputOption.charAt(this.emitSettings.outputOption.length - 1) != "/") {
               this.emitSettings.outputOption += "/";
           }
       };
       TypeScriptCompiler.prototype.parseEmitOption = function (ioHost) {
           this.emitSettings.ioHost = ioHost;
           if(this.emitSettings.outputOption == "") {
               this.emitSettings.outputMany = true;
               this.emitSettings.commonDirectoryPath = "";
               return;
           }
           this.emitSettings.outputOption = TypeScript.switchToForwardSlashes(this.emitSettings.ioHost.resolvePath(this.emitSettings.outputOption));
           if(this.emitSettings.ioHost.directoryExists(this.emitSettings.outputOption)) {
               this.emitSettings.outputMany = true;
           } else {
               if(this.emitSettings.ioHost.fileExists(this.emitSettings.outputOption)) {
                   this.emitSettings.outputMany = false;
               } else {
                   this.emitSettings.outputMany = !TypeScript.isJSFile(this.emitSettings.outputOption);
               }
           }
           if(this.isDynamicModuleCompilation() && !this.emitSettings.outputMany) {
               this.errorReporter.emitterError(null, "Cannot compile dynamic modules when emitting into single file");
           }
           if(this.emitSettings.outputMany) {
               this.updateCommonDirectoryPath();
           }
       };
       TypeScriptCompiler.prototype.useUTF8ForFile = function (script) {
           if(this.emitSettings.outputMany) {
               return this.outputScriptToUTF8(script);
           } else {
               return this.outputScriptsToUTF8((this.scripts.members));
           }
       };
       TypeScriptCompiler.mapToDTSFileName = function mapToDTSFileName(fileName, wholeFileNameReplaced) {
           return TypeScript.getDeclareFilePath(fileName);
       }
       TypeScriptCompiler.prototype.canEmitDeclarations = function (script) {
           if(!this.settings.generateDeclarationFiles) {
               return false;
           }
           if(!!script && (script.isDeclareFile || script.isResident || script.bod == null)) {
               return false;
           }
           return true;
       };
       TypeScriptCompiler.prototype.emitDeclarationsUnit = function (script, reuseEmitter, declarationEmitter) {
           if(!this.canEmitDeclarations(script)) {
               return null;
           }
           if(!declarationEmitter) {
               var declareFileName = this.emitSettings.mapOutputFileName(script.locationInfo.filename, TypeScriptCompiler.mapToDTSFileName);
               var declareFile = this.createFile(declareFileName, this.useUTF8ForFile(script));
               declarationEmitter = new TypeScript.DeclarationEmitter(this.typeChecker, this.emitSettings, this.errorReporter);
               declarationEmitter.setDeclarationFile(declareFile);
           }
           declarationEmitter.emitDeclarations(script);
           if(!reuseEmitter) {
               declarationEmitter.Close();
               return null;
           } else {
               return declarationEmitter;
           }
       };
       TypeScriptCompiler.prototype.emitDeclarations = function () {
           if(!this.canEmitDeclarations()) {
               return;
           }
           if(this.errorReporter.hasErrors) {
               return;
           }
           if(this.scripts.members.length == 0) {
               return;
           }
           var declarationEmitter = null;
           for(var i = 0, len = this.scripts.members.length; i < len; i++) {
               var script = this.scripts.members[i];
               if(this.emitSettings.outputMany || declarationEmitter == null) {
                   declarationEmitter = this.emitDeclarationsUnit(script, !this.emitSettings.outputMany);
               } else {
                   this.emitDeclarationsUnit(script, true, declarationEmitter);
               }
           }
           if(declarationEmitter) {
               declarationEmitter.Close();
           }
       };
       TypeScriptCompiler.mapToFileNameExtension = function mapToFileNameExtension(extension, fileName, wholeFileNameReplaced) {
           if(wholeFileNameReplaced) {
               return fileName;
           } else {
               var splitFname = fileName.split(".");
               splitFname.pop();
               return splitFname.join(".") + extension;
           }
       }
       TypeScriptCompiler.mapToJSFileName = function mapToJSFileName(fileName, wholeFileNameReplaced) {
           return TypeScriptCompiler.mapToFileNameExtension(".js", fileName, wholeFileNameReplaced);
       }
       TypeScriptCompiler.prototype.emitUnit = function (script, reuseEmitter, emitter) {
           if(!script.emitRequired(this.emitSettings)) {
               return null;
           }
           var fname = script.locationInfo.filename;
           if(!emitter) {
               var outFname = this.emitSettings.mapOutputFileName(fname, TypeScriptCompiler.mapToJSFileName);
               var outFile = this.createFile(outFname, this.useUTF8ForFile(script));
               emitter = new TypeScript.Emitter(this.typeChecker, outFname, outFile, this.emitSettings, this.errorReporter);
               if(this.settings.mapSourceFiles) {
                   emitter.setSourceMappings(new TypeScript.SourceMapper(fname, outFname, outFile, this.createFile(outFname + TypeScript.SourceMapper.MapFileExtension, false), this.errorReporter));
               }
           } else {
               if(this.settings.mapSourceFiles) {
                   emitter.setSourceMappings(new TypeScript.SourceMapper(fname, emitter.emittingFileName, emitter.outfile, emitter.sourceMapper.sourceMapOut, this.errorReporter));
               }
           }
           this.typeChecker.locationInfo = script.locationInfo;
           emitter.emitJavascript(script, TypeScript.TokenID.Comma, false);
           if(!reuseEmitter) {
               emitter.Close();
               return null;
           } else {
               return emitter;
           }
       };
       TypeScriptCompiler.prototype.emit = function (ioHost) {
           this.parseEmitOption(ioHost);
           var emitter = null;
           for(var i = 0, len = this.scripts.members.length; i < len; i++) {
               var script = this.scripts.members[i];
               if(this.emitSettings.outputMany || emitter == null) {
                   emitter = this.emitUnit(script, !this.emitSettings.outputMany);
               } else {
                   this.emitUnit(script, true, emitter);
               }
           }
           if(emitter) {
               emitter.Close();
           }
       };
       TypeScriptCompiler.prototype.emitToOutfile = function (outputFile) {
           if(this.settings.mapSourceFiles) {
               throw Error("Cannot generate source map");
           }
           if(this.settings.generateDeclarationFiles) {
               throw Error("Cannot generate declaration files");
           }
           if(this.settings.outputOption != "") {
               throw Error("Cannot parse output option");
           }
           var emitter = emitter = new TypeScript.Emitter(this.typeChecker, "stdout", outputFile, this.emitSettings, this.errorReporter);
           ; ;
           for(var i = 0, len = this.scripts.members.length; i < len; i++) {
               var script = this.scripts.members[i];
               this.typeChecker.locationInfo = script.locationInfo;
               emitter.emitJavascript(script, TypeScript.TokenID.Comma, false);
           }
       };
       TypeScriptCompiler.prototype.emitAST = function (ioHost) {
           this.parseEmitOption(ioHost);
           var outFile = null;
           var context = null;
           for(var i = 0, len = this.scripts.members.length; i < len; i++) {
               var script = this.scripts.members[i];
               if(this.emitSettings.outputMany || context == null) {
                   var fname = this.units[i].filename;
                   var mapToTxtFileName = function (fileName, wholeFileNameReplaced) {
                       return TypeScriptCompiler.mapToFileNameExtension(".txt", fileName, wholeFileNameReplaced);
                   };
                   var outFname = this.emitSettings.mapOutputFileName(fname, mapToTxtFileName);
                   outFile = this.createFile(outFname, this.useUTF8ForFile(script));
                   context = new TypeScript.PrintContext(outFile, this.parser);
               }
               TypeScript.getAstWalkerFactory().walk(script, TypeScript.prePrintAST, TypeScript.postPrintAST, null, context);
               if(this.emitSettings.outputMany) {
                   try  {
                       outFile.Close();
                   } catch (e) {
                       this.errorReporter.emitterError(null, e.message);
                   }
               }
           }
           if(!this.emitSettings.outputMany) {
               try  {
                   outFile.Close();
               } catch (e) {
                   this.errorReporter.emitterError(null, e.message);
               }
           }
       };
       TypeScriptCompiler.prototype.outputScriptToUTF8 = function (script) {
           return script.containsUnicodeChar || (this.emitSettings.emitComments && script.containsUnicodeCharInComment);
       };
       TypeScriptCompiler.prototype.outputScriptsToUTF8 = function (scripts) {
           for(var i = 0, len = scripts.length; i < len; i++) {
               var script = scripts[i];
               if(this.outputScriptToUTF8(script)) {
                   return true;
               }
           }
           return false;
       };
       TypeScriptCompiler.prototype.createFile = function (fileName, useUTF8) {
           try  {
               return this.emitSettings.ioHost.createFile(fileName, useUTF8);
           } catch (ex) {
               this.errorReporter.emitterError(null, ex.message);
           }
       };
       return TypeScriptCompiler;
   })();
   TypeScript.TypeScriptCompiler = TypeScriptCompiler;    
   var ScopeEntry = (function () {
       function ScopeEntry(name, type, sym) {
           this.name = name;
           this.type = type;
           this.sym = sym;
       }
       return ScopeEntry;
   })();
   TypeScript.ScopeEntry = ScopeEntry;    
   var ScopeTraversal = (function () {
       function ScopeTraversal(compiler) {
           this.compiler = compiler;
       }
       ScopeTraversal.prototype.getScope = function (enclosingScopeContext) {
           if(enclosingScopeContext.enclosingObjectLit && enclosingScopeContext.isMemberCompletion) {
               return enclosingScopeContext.getObjectLiteralScope();
           } else {
               if(enclosingScopeContext.isMemberCompletion) {
                   if(enclosingScopeContext.useFullAst) {
                       return this.compiler.typeFlow.findMemberScopeAtFullAst(enclosingScopeContext);
                   } else {
                       return this.compiler.typeFlow.findMemberScopeAt(enclosingScopeContext);
                   }
               } else {
                   return enclosingScopeContext.getScope();
               }
           }
       };
       ScopeTraversal.prototype.getScopeEntries = function (enclosingScopeContext) {
           var scope = this.getScope(enclosingScopeContext);
           if(scope == null) {
               return [];
           }
           var inScopeNames = new TypeScript.StringHashTable();
           var allSymbolNames = scope.getAllSymbolNames(enclosingScopeContext.isMemberCompletion);
           for(var i = 0; i < allSymbolNames.length; i++) {
               var name = allSymbolNames[i];
               if(name == TypeScript.globalId || name == "_Core" || name == "_element") {
                   continue;
               }
               inScopeNames.add(name, "");
           }
           var svModuleDecl = this.compiler.typeChecker.currentModDecl;
           this.compiler.typeChecker.currentModDecl = enclosingScopeContext.deepestModuleDecl;
           var result = this.getTypeNamesForNames(enclosingScopeContext, inScopeNames.getAllKeys(), scope);
           this.compiler.typeChecker.currentModDecl = svModuleDecl;
           return result;
       };
       ScopeTraversal.prototype.getTypeNamesForNames = function (enclosingScopeContext, allNames, scope) {
           var result = [];
           var enclosingScope = enclosingScopeContext.getScope();
           for(var i = 0; i < allNames.length; i++) {
               var name = allNames[i];
               var publicsOnly = enclosingScopeContext.publicsOnly && enclosingScopeContext.isMemberCompletion;
               var symbol = scope.find(name, publicsOnly, false);
               if(symbol == null) {
                   symbol = scope.find(name, publicsOnly, true);
               }
               var displayThisMember = symbol && symbol.flags & TypeScript.SymbolFlags.Private ? symbol.container == scope.container : true;
               if(symbol) {
                   if(displayThisMember && !TypeScript.isQuoted(symbol.name) && !TypeScript.isRelative(symbol.name)) {
                       var typeName = symbol.getType().getScopedTypeName(enclosingScope);
                       result.push(new ScopeEntry(name, typeName, symbol));
                   }
               } else {
                   if(name == "true" || name == "false") {
                       result.push(new ScopeEntry(name, "bool", this.compiler.typeChecker.booleanType.symbol));
                   }
               }
           }
           return result;
       };
       return ScopeTraversal;
   })();
   TypeScript.ScopeTraversal = ScopeTraversal;    
})(TypeScript || (TypeScript = {}));
var TypeScript;
(function (TypeScript) {
   (function (CompilerDiagnostics) {
       CompilerDiagnostics.debug = false;
       CompilerDiagnostics.diagnosticWriter = null;
       CompilerDiagnostics.analysisPass = 0;
       function Alert(output) {
           if(CompilerDiagnostics.diagnosticWriter) {
               CompilerDiagnostics.diagnosticWriter.Alert(output);
           }
       }
       CompilerDiagnostics.Alert = Alert;
       function debugPrint(s) {
           if(CompilerDiagnostics.debug) {
               Alert(s);
           }
       }
       CompilerDiagnostics.debugPrint = debugPrint;
       function assert(condition, s) {
           if(CompilerDiagnostics.debug) {
               if(!condition) {
                   Alert(s);
               }
           }
       }
       CompilerDiagnostics.assert = assert;
   })(TypeScript.CompilerDiagnostics || (TypeScript.CompilerDiagnostics = {}));
   var CompilerDiagnostics = TypeScript.CompilerDiagnostics;
   var NullLogger = (function () {
       function NullLogger() { }
       NullLogger.prototype.information = function () {
           return false;
       };
       NullLogger.prototype.debug = function () {
           return false;
       };
       NullLogger.prototype.warning = function () {
           return false;
       };
       NullLogger.prototype.error = function () {
           return false;
       };
       NullLogger.prototype.fatal = function () {
           return false;
       };
       NullLogger.prototype.log = function (s) {
       };
       return NullLogger;
   })();
   TypeScript.NullLogger = NullLogger;    
   var LoggerAdapter = (function () {
       function LoggerAdapter(logger) {
           this.logger = logger;
           this._information = this.logger.information();
           this._debug = this.logger.debug();
           this._warning = this.logger.warning();
           this._error = this.logger.error();
           this._fatal = this.logger.fatal();
       }
       LoggerAdapter.prototype.information = function () {
           return this._information;
       };
       LoggerAdapter.prototype.debug = function () {
           return this._debug;
       };
       LoggerAdapter.prototype.warning = function () {
           return this._warning;
       };
       LoggerAdapter.prototype.error = function () {
           return this._error;
       };
       LoggerAdapter.prototype.fatal = function () {
           return this._fatal;
       };
       LoggerAdapter.prototype.log = function (s) {
           this.logger.log(s);
       };
       return LoggerAdapter;
   })();
   TypeScript.LoggerAdapter = LoggerAdapter;    
   var BufferedLogger = (function () {
       function BufferedLogger() {
           this.logContents = [];
       }
       BufferedLogger.prototype.information = function () {
           return false;
       };
       BufferedLogger.prototype.debug = function () {
           return false;
       };
       BufferedLogger.prototype.warning = function () {
           return false;
       };
       BufferedLogger.prototype.error = function () {
           return false;
       };
       BufferedLogger.prototype.fatal = function () {
           return false;
       };
       BufferedLogger.prototype.log = function (s) {
           this.logContents.push(s);
       };
       return BufferedLogger;
   })();
   TypeScript.BufferedLogger = BufferedLogger;    
   function timeFunction(logger, funcDescription, func) {
       var start = +new Date();
       var result = func();
       var end = +new Date();
       logger.log(funcDescription + " completed in " + (end - start) + " msec");
       return result;
   }
   TypeScript.timeFunction = timeFunction;
   function stringToLiteral(value, length) {
       var result = "";
       var addChar = function (index) {
           var ch = value.charCodeAt(index);
           switch(ch) {
               case 9: {
                   result += "\\t";
                   break;

               }
               case 10: {
                   result += "\\n";
                   break;

               }
               case 11: {
                   result += "\\v";
                   break;

               }
               case 12: {
                   result += "\\f";
                   break;

               }
               case 13: {
                   result += "\\r";
                   break;

               }
               case 34: {
                   result += "\\\"";
                   break;

               }
               case 39: {
                   result += "\\\'";
                   break;

               }
               case 92: {
                   result += "\\";
                   break;

               }
               default: {
                   result += value.charAt(index);

               }
           }
       };
       var tooLong = (value.length > length);
       if(tooLong) {
           var mid = length >> 1;
           for(var i = 0; i < mid; i++) {
               addChar(i);
           }
           result += "(...)";
           for(var i = value.length - mid; i < value.length; i++) {
               addChar(i);
           }
       } else {
           length = value.length;
           for(var i = 0; i < length; i++) {
               addChar(i);
           }
       }
       return result;
   }
   TypeScript.stringToLiteral = stringToLiteral;
})(TypeScript || (TypeScript = {}));
var IOUtils;
(function (IOUtils) {
   function createDirectoryStructure(ioHost, dirName) {
       if(ioHost.directoryExists(dirName)) {
           return;
       }
       var parentDirectory = ioHost.dirName(dirName);
       if(parentDirectory != "") {
           createDirectoryStructure(ioHost, parentDirectory);
       }
       ioHost.createDirectory(dirName);
   }
   function createFileAndFolderStructure(ioHost, fileName, useUTF8) {
       var path = ioHost.resolvePath(fileName);
       var dirName = ioHost.dirName(path);
       createDirectoryStructure(ioHost, dirName);
       return ioHost.createFile(path, useUTF8);
   }
   IOUtils.createFileAndFolderStructure = createFileAndFolderStructure;
   function throwIOError(message, error) {
       var errorMessage = message;
       if(error && error.message) {
           errorMessage += (" " + error.message);
       }
       throw new Error(errorMessage);
   }
   IOUtils.throwIOError = throwIOError;
})(IOUtils || (IOUtils = {}));

var IO = (function () {
   function getWindowsScriptHostIO() {
       var fso = new ActiveXObject("Scripting.FileSystemObject");
       var streamObjectPool = [];
       function getStreamObject() {
           if(streamObjectPool.length > 0) {
               return streamObjectPool.pop();
           } else {
               return new ActiveXObject("ADODB.Stream");
           }
       }
       function releaseStreamObject(obj) {
           streamObjectPool.push(obj);
       }
       var args = [];
       for(var i = 0; i < WScript.Arguments.length; i++) {
           args[i] = WScript.Arguments.Item(i);
       }
       return {
           readFile: function (path) {
               try  {
                   var streamObj = getStreamObject();
                   streamObj.Open();
                   streamObj.Type = 2;
                   streamObj.Charset = 'x-ansi';
                   streamObj.LoadFromFile(path);
                   var bomChar = streamObj.ReadText(2);
                   streamObj.Position = 0;
                   if((bomChar.charCodeAt(0) == 254 && bomChar.charCodeAt(1) == 255) || (bomChar.charCodeAt(0) == 255 && bomChar.charCodeAt(1) == 254)) {
                       streamObj.Charset = 'unicode';
                   } else {
                       if(bomChar.charCodeAt(0) == 239 && bomChar.charCodeAt(1) == 187) {
                           streamObj.Charset = 'utf-8';
                       }
                   }
                   var str = streamObj.ReadText(-1);
                   streamObj.Close();
                   releaseStreamObject(streamObj);
                   return str;
               } catch (err) {
                   IOUtils.throwIOError("Error reading file \"" + path + "\".", err);
               }
           },
           writeFile: function (path, contents) {
               var file = this.createFile(path);
               file.Write(contents);
               file.Close();
           },
           fileExists: function (path) {
               return fso.FileExists(path);
           },
           resolvePath: function (path) {
               return fso.GetAbsolutePathName(path);
           },
           dirName: function (path) {
               return fso.GetParentFolderName(path);
           },
           findFile: function (rootPath, partialFilePath) {
               var path = fso.GetAbsolutePathName(rootPath) + "/" + partialFilePath;
               while(true) {
                   if(fso.FileExists(path)) {
                       try  {
                           var content = this.readFile(path);
                           return {
                               content: content,
                               path: path
                           };
                       } catch (err) {
                       }
                   } else {
                       rootPath = fso.GetParentFolderName(fso.GetAbsolutePathName(rootPath));
                       if(rootPath == "") {
                           return null;
                       } else {
                           path = fso.BuildPath(rootPath, partialFilePath);
                       }
                   }
               }
           },
           deleteFile: function (path) {
               try  {
                   if(fso.FileExists(path)) {
                       fso.DeleteFile(path, true);
                   }
               } catch (e) {
                   IOUtils.throwIOError("Couldn't delete file '" + path + "'.", e);
               }
           },
           createFile: function (path, useUTF8) {
               try  {
                   var streamObj = getStreamObject();
                   streamObj.Charset = useUTF8 ? 'utf-8' : 'x-ansi';
                   streamObj.Open();
                   return {
                       Write: function (str) {
                           streamObj.WriteText(str, 0);
                       },
                       WriteLine: function (str) {
                           streamObj.WriteText(str, 1);
                       },
                       Close: function () {
                           try  {
                               streamObj.SaveToFile(path, 2);
                           } catch (saveError) {
                               IOUtils.throwIOError("Couldn't write to file '" + path + "'.", saveError);
                           }finally {
                               if(streamObj.State != 0) {
                                   streamObj.Close();
                               }
                               releaseStreamObject(streamObj);
                           }
                       }
                   };
               } catch (creationError) {
                   IOUtils.throwIOError("Couldn't write to file '" + path + "'.", creationError);
               }
           },
           directoryExists: function (path) {
               return fso.FolderExists(path);
           },
           createDirectory: function (path) {
               try  {
                   if(!this.directoryExists(path)) {
                       fso.CreateFolder(path);
                   }
               } catch (e) {
                   IOUtils.throwIOError("Couldn't create directory '" + path + "'.", e);
               }
           },
           dir: function (path, spec, options) {
               options = options || {
               };
               function filesInFolder(folder, root) {
                   var paths = [];
                   var fc;
                   if(options.recursive) {
                       fc = new Enumerator(folder.subfolders);
                       for(; !fc.atEnd(); fc.moveNext()) {
                           paths = paths.concat(filesInFolder(fc.item(), root + "/" + fc.item().Name));
                       }
                   }
                   fc = new Enumerator(folder.files);
                   for(; !fc.atEnd(); fc.moveNext()) {
                       if(!spec || fc.item().Name.match(spec)) {
                           paths.push(root + "/" + fc.item().Name);
                       }
                   }
                   return paths;
               }
               var folder = fso.GetFolder(path);
               var paths = [];
               return filesInFolder(folder, path);
           },
           print: function (str) {
               WScript.StdOut.Write(str);
           },
           printLine: function (str) {
               WScript.Echo(str);
           },
           arguments: args,
           stderr: WScript.StdErr,
           stdout: WScript.StdOut,
           watchFile: null,
           run: function (source, filename) {
               try  {
                   eval(source);
               } catch (e) {
                   IOUtils.throwIOError("Error while executing file '" + filename + "'.", e);
               }
           },
           getExecutingFilePath: function () {
               return WScript.ScriptFullName;
           },
           quit: function (exitCode) {
               if (typeof exitCode === "undefined") { exitCode = 0; }
               try  {
                   WScript.Quit(exitCode);
               } catch (e) {
               }
           }
       };
   }
   ; ;
   function getNodeIO() {
       var _fs = require('fs');
       var _path = require('path');
       var _module = require('module');
       return {
           readFile: function (file) {
               try  {
                   var buffer = _fs.readFileSync(file);
                   switch(buffer[0]) {
                       case 254: {
                           if(buffer[1] == 255) {
                               var i = 0;
                               while((i + 1) < buffer.length) {
                                   var temp = buffer[i];
                                   buffer[i] = buffer[i + 1];
                                   buffer[i + 1] = temp;
                                   i += 2;
                               }
                               return buffer.toString("ucs2", 2);
                           }
                           break;

                       }
                       case 255: {
                           if(buffer[1] == 254) {
                               return buffer.toString("ucs2", 2);
                           }
                           break;

                       }
                       case 239: {
                           if(buffer[1] == 187) {
                               return buffer.toString("utf8", 3);
                           }

                       }
                   }
                   return buffer.toString();
               } catch (e) {
                   IOUtils.throwIOError("Error reading file \"" + file + "\".", e);
               }
           },
           writeFile: _fs.writeFileSync,
           deleteFile: function (path) {
               try  {
                   _fs.unlinkSync(path);
               } catch (e) {
                   IOUtils.throwIOError("Couldn't delete file '" + path + "'.", e);
               }
           },
           fileExists: function (path) {
               return _fs.existsSync(path);
           },
           createFile: function (path, useUTF8) {
               function mkdirRecursiveSync(path) {
                   var stats = _fs.statSync(path);
                   if(stats.isFile()) {
                       IOUtils.throwIOError("\"" + path + "\" exists but isn't a directory.", null);
                   } else {
                       if(stats.isDirectory()) {
                           return;
                       } else {
                           mkdirRecursiveSync(_path.dirname(path));
                           _fs.mkdirSync(path, 509);
                       }
                   }
               }
               mkdirRecursiveSync(_path.dirname(path));
               try  {
                   var fd = _fs.openSync(path, 'w');
               } catch (e) {
                   IOUtils.throwIOError("Couldn't write to file '" + path + "'.", e);
               }
               return {
                   Write: function (str) {
                       _fs.writeSync(fd, str);
                   },
                   WriteLine: function (str) {
                       _fs.writeSync(fd, str + '\r\n');
                   },
                   Close: function () {
                       _fs.closeSync(fd);
                       fd = null;
                   }
               };
           },
           dir: function dir(path, spec, options) {
               options = options || {
               };
               function filesInFolder(folder) {
                   var paths = [];
                   var files = _fs.readdirSync(folder);
                   for(var i = 0; i < files.length; i++) {
                       var stat = _fs.statSync(folder + "/" + files[i]);
                       if(options.recursive && stat.isDirectory()) {
                           paths = paths.concat(filesInFolder(folder + "/" + files[i]));
                       } else {
                           if(stat.isFile() && (!spec || files[i].match(spec))) {
                               paths.push(folder + "/" + files[i]);
                           }
                       }
                   }
                   return paths;
               }
               return filesInFolder(path);
           },
           createDirectory: function (path) {
               try  {
                   if(!this.directoryExists(path)) {
                       _fs.mkdirSync(path);
                   }
               } catch (e) {
                   IOUtils.throwIOError("Couldn't create directory '" + path + "'.", e);
               }
           },
           directoryExists: function (path) {
               return _fs.existsSync(path) && _fs.lstatSync(path).isDirectory();
           },
           resolvePath: function (path) {
               return _path.resolve(path);
           },
           dirName: function (path) {
               return _path.dirname(path);
           },
           findFile: function (rootPath, partialFilePath) {
               var path = rootPath + "/" + partialFilePath;
               while(true) {
                   if(_fs.existsSync(path)) {
                       try  {
                           var content = this.readFile(path);
                           return {
                               content: content,
                               path: path
                           };
                       } catch (err) {
                       }
                   } else {
                       var parentPath = _path.resolve(rootPath, "..");
                       if(rootPath === parentPath) {
                           return null;
                       } else {
                           rootPath = parentPath;
                           path = _path.resolve(rootPath, partialFilePath);
                       }
                   }
               }
           },
           print: function (str) {
               process.stdout.write(str);
           },
           printLine: function (str) {
               process.stdout.write(str + '\n');
           },
           arguments: process.argv.slice(2),
           stderr: {
               Write: function (str) {
                   process.stderr.write(str);
               },
               WriteLine: function (str) {
                   process.stderr.write(str + '\n');
               },
               Close: function () {
               }
           },
           stdout: {
               Write: function (str) {
                   process.stdout.write(str);
               },
               WriteLine: function (str) {
                   process.stdout.write(str + '\n');
               },
               Close: function () {
               }
           },
           watchFile: function (filename, callback) {
               var firstRun = true;
               var processingChange = false;
               var fileChanged = function (curr, prev) {
                   if(!firstRun) {
                       if(curr.mtime < prev.mtime) {
                           return;
                       }
                       _fs.unwatchFile(filename, fileChanged);
                       if(!processingChange) {
                           processingChange = true;
                           callback(filename);
                           setTimeout(function () {
                               processingChange = false;
                           }, 100);
                       }
                   }
                   firstRun = false;
                   _fs.watchFile(filename, {
                       persistent: true,
                       interval: 500
                   }, fileChanged);
               };
               fileChanged();
               return {
                   filename: filename,
                   close: function () {
                       _fs.unwatchFile(filename, fileChanged);
                   }
               };
           },
           run: function (source, filename) {
               require.main.filename = filename;
               require.main.paths = _module._nodeModulePaths(_path.dirname(_fs.realpathSync(filename)));
               require.main._compile(source, filename);
           },
           getExecutingFilePath: function () {
               return process.mainModule.filename;
           },
           quit: process.exit
       };
   }
   ; ;
   if(typeof ActiveXObject === "function") {
       return getWindowsScriptHostIO();
   } else {
       if(typeof require === "function") {
           return getNodeIO();
       } else {
           return null;
       }
   }
})();
var OptionsParser = (function () {
   function OptionsParser(host) {
       this.host = host;
       this.DEFAULT_SHORT_FLAG = "-";
       this.DEFAULT_LONG_FLAG = "--";
       this.unnamed = [];
       this.options = [];
   }
   OptionsParser.prototype.findOption = function (arg) {
       for(var i = 0; i < this.options.length; i++) {
           if(arg === this.options[i].short || arg === this.options[i].name) {
               return this.options[i];
           }
       }
       return null;
   };
   OptionsParser.prototype.printUsage = function () {
       this.host.printLine("Syntax:   tsc [options] [file ..]");
       this.host.printLine("");
       this.host.printLine("Examples: tsc hello.ts");
       this.host.printLine("          tsc --out foo.js foo.ts");
       this.host.printLine("          tsc @args.txt");
       this.host.printLine("");
       this.host.printLine("Options:");
       var output = [];
       var maxLength = 0;
       this.options = this.options.sort(function (a, b) {
           var aName = a.name.toLowerCase();
           var bName = b.name.toLowerCase();
           if(aName > bName) {
               return 1;
           } else {
               if(aName < bName) {
                   return -1;
               } else {
                   return 0;
               }
           }
       });
       for(var i = 0; i < this.options.length; i++) {
           var option = this.options[i];
           if(option.experimental) {
               continue;
           }
           if(!option.usage) {
               break;
           }
           var usageString = "  ";
           var type = option.type ? " " + option.type.toUpperCase() : "";
           if(option.short) {
               usageString += this.DEFAULT_SHORT_FLAG + option.short + type + ", ";
           }
           usageString += this.DEFAULT_LONG_FLAG + option.name + type;
           output.push([
               usageString, 
               option.usage
           ]);
           if(usageString.length > maxLength) {
               maxLength = usageString.length;
           }
       }
       output.push([
           "  @<file>", 
           "Insert command line options and files from a file."
       ]);
       for(var i = 0; i < output.length; i++) {
           this.host.printLine(output[i][0] + (new Array(maxLength - output[i][0].length + 3)).join(" ") + output[i][1]);
       }
   };
   OptionsParser.prototype.option = function (name, config, short) {
       if(!config) {
           config = short;
           short = null;
       }
       config.name = name;
       config.short = short;
       config.flag = false;
       this.options.push(config);
   };
   OptionsParser.prototype.flag = function (name, config, short) {
       if(!config) {
           config = short;
           short = null;
       }
       config.name = name;
       config.short = short;
       config.flag = true;
       this.options.push(config);
   };
   OptionsParser.prototype.parseString = function (argString) {
       var position = 0;
       var tokens = argString.match(/\s+|"|[^\s"]+/g);
       function peek() {
           return tokens[position];
       }
       function consume() {
           return tokens[position++];
       }
       function consumeQuotedString() {
           var value = '';
           consume();
           var token = peek();
           while(token && token !== '"') {
               consume();
               value += token;
               token = peek();
           }
           consume();
           return value;
       }
       var args = [];
       var currentArg = '';
       while(position < tokens.length) {
           var token = peek();
           if(token === '"') {
               currentArg += consumeQuotedString();
           } else {
               if(token.match(/\s/)) {
                   if(currentArg.length > 0) {
                       args.push(currentArg);
                       currentArg = '';
                   }
                   consume();
               } else {
                   consume();
                   currentArg += token;
               }
           }
       }
       if(currentArg.length > 0) {
           args.push(currentArg);
       }
       this.parse(args);
   };
   OptionsParser.prototype.parse = function (args) {
       var position = 0;
       function consume() {
           return args[position++];
       }
       while(position < args.length) {
           var current = consume();
           var match = current.match(/^(--?|@)(.*)/);
           var value = null;
           if(match) {
               if(match[1] === '@') {
                   this.parseString(this.host.readFile(match[2]));
               } else {
                   var arg = match[2];
                   var option = this.findOption(arg);
                   if(option === null) {
                       this.host.printLine("Unknown option '" + arg + "'");
                       this.host.printLine("Use the '--help' flag to see options");
                   } else {
                       if(!option.flag) {
                           value = consume();
                       }
                       option.set(value);
                   }
               }
           } else {
               this.unnamed.push(current);
           }
       }
   };
   return OptionsParser;
})();
var CommandLineHost = (function () {
   function CommandLineHost(compilationSettings) {
       this.compilationSettings = compilationSettings;
       this.pathMap = {
       };
       this.resolvedPaths = {
       };
   }
   CommandLineHost.prototype.getPathIdentifier = function (path) {
       return this.compilationSettings.useCaseSensitiveFileResolution ? path : path.toLocaleUpperCase();
   };
   CommandLineHost.prototype.isResolved = function (path) {
       return this.resolvedPaths[this.getPathIdentifier(this.pathMap[path])] != undefined;
   };
   CommandLineHost.prototype.resolveCompilationEnvironment = function (preEnv, resolver, traceDependencies) {
       var _this = this;
       var resolvedEnv = new TypeScript.CompilationEnvironment(preEnv.compilationSettings, preEnv.ioHost);
       var nCode = preEnv.code.length;
       var path = "";
       var postResolutionError = function (errorFile, errorMessage) {
           TypeScript.CompilerDiagnostics.debugPrint("Could not resolve file '" + errorFile + "'" + (errorMessage == "" ? "" : ": " + errorMessage));
       };
       var resolutionDispatcher = {
           postResolutionError: postResolutionError,
           postResolution: function (path, code) {
               var pathId = _this.getPathIdentifier(path);
               if(!_this.resolvedPaths[pathId]) {
                   resolvedEnv.code.push(code);
                   _this.resolvedPaths[pathId] = true;
               }
           }
       };
       for(var i = 0; i < nCode; i++) {
           path = TypeScript.switchToForwardSlashes(preEnv.ioHost.resolvePath(preEnv.code[i].path));
           this.pathMap[preEnv.code[i].path] = path;
           resolver.resolveCode(path, "", false, resolutionDispatcher);
       }
       return resolvedEnv;
   };
   return CommandLineHost;
})();
var BatchCompiler = (function () {
   function BatchCompiler(ioHost) {
       this.ioHost = ioHost;
       this.resolvedEnvironment = null;
       this.hasResolveErrors = false;
       this.compilerVersion = "0.8.2.0";
       this.printedVersion = false;
       this.compilationSettings = new TypeScript.CompilationSettings();
       this.compilationEnvironment = new TypeScript.CompilationEnvironment(this.compilationSettings, this.ioHost);
   }
   BatchCompiler.prototype.resolve = function () {
       var resolver = new TypeScript.CodeResolver(this.compilationEnvironment);
       var commandLineHost = new CommandLineHost(this.compilationSettings);
       var ret = commandLineHost.resolveCompilationEnvironment(this.compilationEnvironment, resolver, true);
       this.hasResolveErrors = false;
       for(var i = 0; i < this.compilationEnvironment.code.length; i++) {
           if(!commandLineHost.isResolved(this.compilationEnvironment.code[i].path)) {
               this.hasResolveErrors = true;
               var path = this.compilationEnvironment.code[i].path;
               if(!TypeScript.isSTRFile(path) && !TypeScript.isDSTRFile(path) && !TypeScript.isTSFile(path) && !TypeScript.isDTSFile(path)) {
                   this.ioHost.stderr.WriteLine("Unknown extension for file: \"" + path + "\". Only .ts and .d.ts extensions are allowed.");
               } else {
                   this.ioHost.stderr.WriteLine("Error reading file \"" + path + "\": File not found");
               }
           }
       }
       return ret;
   };
   BatchCompiler.prototype.compile = function () {
       var _this = this;
       var compiler;
       compiler = new TypeScript.TypeScriptCompiler(this.ioHost.stderr, new TypeScript.NullLogger(), this.compilationSettings);
       compiler.setErrorOutput(this.ioHost.stderr);
       compiler.setErrorCallback(function (minChar, charLen, message, unitIndex) {
           compiler.errorReporter.hasErrors = true;
           var fname = _this.resolvedEnvironment.code[unitIndex].path;
           var lineCol = {
               line: -1,
               col: -1
           };
           compiler.parser.getSourceLineCol(lineCol, minChar);
           var msg = fname + " (" + lineCol.line + "," + (lineCol.col + 1) + "): " + message;
           if(_this.compilationSettings.errorRecovery) {
               _this.ioHost.stderr.WriteLine(msg);
           } else {
               throw new SyntaxError(msg);
           }
       });
       if(this.compilationSettings.emitComments) {
           compiler.emitCommentsToOutput();
       }
       var consumeUnit = function (code, addAsResident) {
           try  {
               if(!_this.compilationSettings.resolve) {
                   code.content = _this.ioHost.readFile(code.path);
                   if(_this.compilationSettings.generateDeclarationFiles) {
                       TypeScript.CompilerDiagnostics.assert(code.referencedFiles == null, "With no resolve option, referenced files need to null");
                       code.referencedFiles = TypeScript.getReferencedFiles(code);
                   }
               }
               if(code.content) {
                   if(_this.compilationSettings.parseOnly) {
                       compiler.parseUnit(code.content, code.path);
                   } else {
                       if(_this.compilationSettings.errorRecovery) {
                           compiler.parser.setErrorRecovery(_this.ioHost.stderr);
                       }
                       compiler.addUnit(code.content, code.path, addAsResident, code.referencedFiles);
                   }
               }
           } catch (err) {
               compiler.errorReporter.hasErrors = true;
               _this.ioHost.stderr.WriteLine(err.message);
           }
       };
       for(var iCode = 0; iCode < this.resolvedEnvironment.code.length; iCode++) {
           if(!this.compilationSettings.parseOnly || (iCode > 0)) {
               consumeUnit(this.resolvedEnvironment.code[iCode], false);
           }
       }
       var emitterIOHost = {
           createFile: function (fileName, useUTF8) {
               return IOUtils.createFileAndFolderStructure(_this.ioHost, fileName, useUTF8);
           },
           directoryExists: this.ioHost.directoryExists,
           fileExists: this.ioHost.fileExists,
           resolvePath: this.ioHost.resolvePath
       };
       try  {
           if(!this.compilationSettings.parseOnly) {
               compiler.typeCheck();
               compiler.emit(emitterIOHost);
               compiler.emitDeclarations();
           } else {
               compiler.emitAST(emitterIOHost);
           }
       } catch (err) {
           compiler.errorReporter.hasErrors = true;
           if(err.message != "EmitError") {
               throw err;
           }
       }
       return compiler.errorReporter.hasErrors;
   };
   BatchCompiler.prototype.run = function () {
       for(var i = 0; i < this.compilationEnvironment.code.length; i++) {
           var unit = this.compilationEnvironment.code[i];
           var outputFileName = unit.path;
           if(TypeScript.isTSFile(outputFileName)) {
               outputFileName = outputFileName.replace(/\.ts$/, ".js");
           } else {
               if(TypeScript.isSTRFile(outputFileName)) {
                   outputFileName = outputFileName.replace(/\.str$/, ".js");
               }
           }
           if(this.ioHost.fileExists(outputFileName)) {
               var unitRes = this.ioHost.readFile(outputFileName);
               this.ioHost.run(unitRes, outputFileName);
           }
       }
   };
   BatchCompiler.prototype.batchCompile = function () {
       var _this = this;
       TypeScript.CompilerDiagnostics.diagnosticWriter = {
           Alert: function (s) {
               _this.ioHost.printLine(s);
           }
       };
       var code;
       var opts = new OptionsParser(this.ioHost);
       opts.option('out', {
           usage: 'Concatenate and emit output to single file | Redirect output structure to the directory',
           type: 'file|directory',
           set: function (str) {
               _this.compilationSettings.outputOption = str;
           }
       });
       opts.option('style', {
           usage: 'Select style checking options (examples --style requireSemi:off or --style "eqeqeq;bitwise:off")',
           experimental: true,
           set: function (str) {
               _this.compilationSettings.setStyleOptions(str);
           }
       });
       opts.flag('sourcemap', {
           usage: 'Generates corresponding .map file',
           set: function () {
               _this.compilationSettings.mapSourceFiles = true;
           }
       });
       opts.flag('declaration', {
           usage: 'Generates corresponding .d.ts file',
           set: function () {
               _this.compilationSettings.generateDeclarationFiles = true;
           }
       });
       if(this.ioHost.watchFile) {
           opts.flag('watch', {
               usage: 'Watch output files',
               set: function () {
                   _this.compilationSettings.watch = true;
               }
           }, 'w');
       }
       opts.flag('exec', {
           usage: 'Execute the script after compilation',
           set: function () {
               _this.compilationSettings.exec = true;
           }
       }, 'e');
       opts.flag('parse', {
           usage: 'Parse only',
           experimental: true,
           set: function () {
               _this.compilationSettings.parseOnly = true;
           }
       });
       opts.flag('minw', {
           usage: 'Minimize whitespace',
           experimental: true,
           set: function () {
               _this.compilationSettings.minWhitespace = true;
           }
       }, 'mw');
       opts.flag('const', {
           usage: 'Propagate constants to emitted code',
           experimental: true,
           set: function () {
               _this.compilationSettings.propagateConstants = true;
           }
       });
       opts.flag('errorrecovery', {
           usage: 'Enable error recovery',
           experimental: true,
           set: function () {
               _this.compilationSettings.errorRecovery = true;
           }
       }, 'er');
       opts.flag('comments', {
           usage: 'Emit comments to output',
           set: function () {
               _this.compilationSettings.emitComments = true;
           }
       }, 'c');
       opts.flag('cflow', {
           usage: 'Control flow',
           experimental: true,
           set: function () {
               _this.compilationSettings.controlFlow = true;
           }
       });
       opts.flag('cflowp', {
           usage: 'Print control flow',
           experimental: true,
           set: function () {
               _this.compilationSettings.controlFlow = true;
               _this.compilationSettings.printControlFlow = true;
           }
       });
       opts.flag('cflowu', {
           usage: 'Print Use Def control flow',
           experimental: true,
           set: function () {
               _this.compilationSettings.controlFlow = true;
               _this.compilationSettings.controlFlowUseDef = true;
           }
       });
       opts.flag('noerroronwith', {
           usage: 'Allow with statements',
           experimental: true,
           set: function () {
               _this.compilationSettings.errorOnWith = false;
           }
       });
       opts.flag('noresolve', {
           usage: 'Skip resolution and preprocessing',
           experimental: true,
           set: function () {
               _this.compilationSettings.resolve = false;
               _this.compilationSettings.preprocess = false;
           }
       });
       opts.flag('debug', {
           usage: 'Print debug output',
           experimental: true,
           set: function () {
               TypeScript.CompilerDiagnostics.debug = true;
           }
       });
       opts.flag('canCallDefinitionSignature', {
           usage: 'Allows you to call the definition signature of an overload group',
           experimental: true,
           set: function () {
               _this.compilationSettings.canCallDefinitionSignature = true;
           }
       });
       opts.flag('nooptimizemodules', {
           usage: 'Do not optimize module codegen',
           experimental: true,
           set: function () {
               TypeScript.optimizeModuleCodeGen = false;
           }
       });
       opts.flag('nolib', {
           usage: 'Do not include a default lib.d.ts with global declarations',
           set: function () {
               _this.compilationSettings.useDefaultLib = false;
           }
       });
       opts.flag('inferProperties', {
           usage: 'Infer class properties from top-level assignments to \'this\'',
           experimental: true,
           set: function () {
               _this.compilationSettings.inferPropertiesFromThisAssignment = true;
           }
       });
       opts.option('target', {
           usage: 'Specify ECMAScript target version: "ES3" (default), or "ES5"',
           type: 'VER',
           set: function (type) {
               type = type.toLowerCase();
               if(type === 'es3') {
                   _this.compilationSettings.codeGenTarget = TypeScript.CodeGenTarget.ES3;
               } else {
                   if(type === 'es5') {
                       _this.compilationSettings.codeGenTarget = TypeScript.CodeGenTarget.ES5;
                   } else {
                       _this.ioHost.printLine("ECMAScript target version '" + type + "' not supported.  Using default 'ES3' code generation");
                   }
               }
           }
       });
       opts.option('module', {
           usage: 'Specify module code generation: "commonjs" (default) or "amd"',
           type: 'kind',
           set: function (type) {
               type = type.toLowerCase();
               if(type === 'commonjs' || type === 'node') {
                   TypeScript.moduleGenTarget = TypeScript.ModuleGenTarget.Synchronous;
               } else {
                   if(type === 'amd') {
                       TypeScript.moduleGenTarget = TypeScript.ModuleGenTarget.Asynchronous;
                   } else {
                       _this.ioHost.printLine("Module code generation '" + type + "' not supported.  Using default 'commonjs' code generation");
                   }
               }
           }
       });
       var printedUsage = false;
       opts.flag('help', {
           usage: 'Print this message',
           set: function () {
               _this.printVersion();
               opts.printUsage();
               printedUsage = true;
           }
       }, 'h');
       opts.flag('useCaseSensitiveFileResolution', {
           usage: 'Force file resolution to be case sensitive',
           experimental: true,
           set: function () {
               _this.compilationSettings.useCaseSensitiveFileResolution = true;
           }
       });
       opts.flag('version', {
           usage: 'Print the compiler\'s version: ' + this.compilerVersion,
           set: function () {
               _this.printVersion();
           }
       }, 'v');
       opts.parse(this.ioHost.arguments);
       if(this.compilationSettings.useDefaultLib) {
           var compilerFilePath = this.ioHost.getExecutingFilePath();
           var binDirPath = this.ioHost.dirName(compilerFilePath);
           var libStrPath = this.ioHost.resolvePath(binDirPath + "/lib.d.ts");
           code = new TypeScript.SourceUnit(libStrPath, null);
           this.compilationEnvironment.code.push(code);
       }
       for(var i = 0; i < opts.unnamed.length; i++) {
           code = new TypeScript.SourceUnit(opts.unnamed[i], null);
           this.compilationEnvironment.code.push(code);
       }
       if(this.compilationEnvironment.code.length == (this.compilationSettings.useDefaultLib ? 1 : 0)) {
           if(!printedUsage && !this.printedVersion) {
               this.printVersion();
               opts.printUsage();
               this.ioHost.quit(1);
           }
           return;
       }
       var sourceFiles = [];
       if(this.compilationSettings.watch) {
           sourceFiles = this.compilationEnvironment.code.slice(0);
       }
       this.resolvedEnvironment = this.compilationSettings.resolve ? this.resolve() : this.compilationEnvironment;
       var hasCompileErrors = this.compile();
       var hasErrors = hasCompileErrors || this.hasResolveErrors;
       if(!hasErrors) {
           if(this.compilationSettings.exec) {
               this.run();
           }
       }
       if(this.compilationSettings.watch) {
           this.watchFiles(sourceFiles);
       } else {
           this.ioHost.quit(hasErrors ? 1 : 0);
       }
   };
   BatchCompiler.prototype.printVersion = function () {
       if(!this.printedVersion) {
           this.ioHost.printLine("Version " + this.compilerVersion);
           this.printedVersion = true;
       }
   };
   BatchCompiler.prototype.watchFiles = function (soruceFiles) {
       var _this = this;
       if(!this.ioHost.watchFile) {
           this.ioHost.printLine("Error: Current host does not support -w[atch] option");
           return;
       }
       var resolvedFiles = [];
       var watchers = {
       };
       var addWatcher = function (filename) {
           if(!watchers[filename]) {
               var watcher = _this.ioHost.watchFile(filename, onWatchedFileChange);
               watchers[filename] = watcher;
           } else {
               throw new Error("Cannot watch file, it is already watched.");
           }
       };
       var removeWatcher = function (filename) {
           if(watchers[filename]) {
               watchers[filename].close();
               delete watchers[filename];
           } else {
               throw new Error("Cannot stop watching file, it is not being watched.");
           }
       };
       var onWatchedFileChange = function () {
           _this.compilationEnvironment.code = soruceFiles;
           _this.resolvedEnvironment = _this.compilationSettings.resolve ? _this.resolve() : _this.compilationEnvironment;
           var oldFiles = resolvedFiles;
           var newFiles = [];
           _this.resolvedEnvironment.code.forEach(function (sf) {
               return newFiles.push(sf.path);
           });
           newFiles = newFiles.sort();
           var i = 0, j = 0;
           while(i < oldFiles.length && j < newFiles.length) {
               var compareResult = oldFiles[i].localeCompare(newFiles[j]);
               if(compareResult == 0) {
                   i++;
                   j++;
               } else {
                   if(compareResult < 0) {
                       removeWatcher(oldFiles[i]);
                       i++;
                   } else {
                       addWatcher(newFiles[j]);
                       j++;
                   }
               }
           }
           for(var k = i; k < oldFiles.length; k++) {
               removeWatcher(oldFiles[k]);
           }
           for(var k = j; k < newFiles.length; k++) {
               addWatcher(newFiles[k]);
           }
           resolvedFiles = newFiles;
           ; ;
           _this.ioHost.printLine("");
           _this.ioHost.printLine("Recompiling (" + new Date() + "): ");
           resolvedFiles.forEach(function (f) {
               return _this.ioHost.printLine("    " + f);
           });
           var hasCompileErrors = _this.compile();
           var hasErrors = hasCompileErrors || _this.hasResolveErrors;
           if(!hasErrors) {
               if(_this.compilationSettings.exec) {
                   _this.run();
               }
           }
       };
       this.ioHost.stderr = this.ioHost.stdout;
       this.resolvedEnvironment.code.forEach(function (sf) {
           resolvedFiles.push(sf.path);
           addWatcher(sf.path);
       });
       resolvedFiles.sort();
   };
   return BatchCompiler;
})();