tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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haxe.js (17619B)


      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: https://codemirror.net/LICENSE
      3 
      4 (function(mod) {
      5  if (typeof exports == "object" && typeof module == "object") // CommonJS
      6    mod(require("resource://devtools/client/shared/sourceeditor/codemirror/lib/codemirror.js"));
      7  else if (typeof define == "function" && define.amd) // AMD
      8    define(["../../lib/codemirror"], mod);
      9  else // Plain browser env
     10    mod(CodeMirror);
     11 })(function(CodeMirror) {
     12 "use strict";
     13 
     14 CodeMirror.defineMode("haxe", function(config, parserConfig) {
     15  var indentUnit = config.indentUnit;
     16 
     17  // Tokenizer
     18 
     19  function kw(type) {return {type: type, style: "keyword"};}
     20  var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
     21  var operator = kw("operator"), atom = {type: "atom", style: "atom"}, attribute = {type:"attribute", style: "attribute"};
     22  var type = kw("typedef");
     23  var keywords = {
     24    "if": A, "while": A, "else": B, "do": B, "try": B,
     25    "return": C, "break": C, "continue": C, "new": C, "throw": C,
     26    "var": kw("var"), "inline":attribute, "static": attribute, "using":kw("import"),
     27    "public": attribute, "private": attribute, "cast": kw("cast"), "import": kw("import"), "macro": kw("macro"),
     28    "function": kw("function"), "catch": kw("catch"), "untyped": kw("untyped"), "callback": kw("cb"),
     29    "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
     30    "in": operator, "never": kw("property_access"), "trace":kw("trace"),
     31    "class": type, "abstract":type, "enum":type, "interface":type, "typedef":type, "extends":type, "implements":type, "dynamic":type,
     32    "true": atom, "false": atom, "null": atom
     33  };
     34 
     35  var isOperatorChar = /[+\-*&%=<>!?|]/;
     36 
     37  function chain(stream, state, f) {
     38    state.tokenize = f;
     39    return f(stream, state);
     40  }
     41 
     42  function toUnescaped(stream, end) {
     43    var escaped = false, next;
     44    while ((next = stream.next()) != null) {
     45      if (next == end && !escaped)
     46        return true;
     47      escaped = !escaped && next == "\\";
     48    }
     49  }
     50 
     51  // Used as scratch variables to communicate multiple values without
     52  // consing up tons of objects.
     53  var type, content;
     54  function ret(tp, style, cont) {
     55    type = tp; content = cont;
     56    return style;
     57  }
     58 
     59  function haxeTokenBase(stream, state) {
     60    var ch = stream.next();
     61    if (ch == '"' || ch == "'") {
     62      return chain(stream, state, haxeTokenString(ch));
     63    } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
     64      return ret(ch);
     65    } else if (ch == "0" && stream.eat(/x/i)) {
     66      stream.eatWhile(/[\da-f]/i);
     67      return ret("number", "number");
     68    } else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) {
     69      stream.match(/^\d*(?:\.\d*(?!\.))?(?:[eE][+\-]?\d+)?/);
     70      return ret("number", "number");
     71    } else if (state.reAllowed && (ch == "~" && stream.eat(/\//))) {
     72      toUnescaped(stream, "/");
     73      stream.eatWhile(/[gimsu]/);
     74      return ret("regexp", "string-2");
     75    } else if (ch == "/") {
     76      if (stream.eat("*")) {
     77        return chain(stream, state, haxeTokenComment);
     78      } else if (stream.eat("/")) {
     79        stream.skipToEnd();
     80        return ret("comment", "comment");
     81      } else {
     82        stream.eatWhile(isOperatorChar);
     83        return ret("operator", null, stream.current());
     84      }
     85    } else if (ch == "#") {
     86        stream.skipToEnd();
     87        return ret("conditional", "meta");
     88    } else if (ch == "@") {
     89      stream.eat(/:/);
     90      stream.eatWhile(/[\w_]/);
     91      return ret ("metadata", "meta");
     92    } else if (isOperatorChar.test(ch)) {
     93      stream.eatWhile(isOperatorChar);
     94      return ret("operator", null, stream.current());
     95    } else {
     96      var word;
     97      if(/[A-Z]/.test(ch)) {
     98        stream.eatWhile(/[\w_<>]/);
     99        word = stream.current();
    100        return ret("type", "variable-3", word);
    101      } else {
    102        stream.eatWhile(/[\w_]/);
    103        var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
    104        return (known && state.kwAllowed) ? ret(known.type, known.style, word) :
    105                       ret("variable", "variable", word);
    106      }
    107    }
    108  }
    109 
    110  function haxeTokenString(quote) {
    111    return function(stream, state) {
    112      if (toUnescaped(stream, quote))
    113        state.tokenize = haxeTokenBase;
    114      return ret("string", "string");
    115    };
    116  }
    117 
    118  function haxeTokenComment(stream, state) {
    119    var maybeEnd = false, ch;
    120    while (ch = stream.next()) {
    121      if (ch == "/" && maybeEnd) {
    122        state.tokenize = haxeTokenBase;
    123        break;
    124      }
    125      maybeEnd = (ch == "*");
    126    }
    127    return ret("comment", "comment");
    128  }
    129 
    130  // Parser
    131 
    132  var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};
    133 
    134  function HaxeLexical(indented, column, type, align, prev, info) {
    135    this.indented = indented;
    136    this.column = column;
    137    this.type = type;
    138    this.prev = prev;
    139    this.info = info;
    140    if (align != null) this.align = align;
    141  }
    142 
    143  function inScope(state, varname) {
    144    for (var v = state.localVars; v; v = v.next)
    145      if (v.name == varname) return true;
    146  }
    147 
    148  function parseHaxe(state, style, type, content, stream) {
    149    var cc = state.cc;
    150    // Communicate our context to the combinators.
    151    // (Less wasteful than consing up a hundred closures on every call.)
    152    cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
    153 
    154    if (!state.lexical.hasOwnProperty("align"))
    155      state.lexical.align = true;
    156 
    157    while(true) {
    158      var combinator = cc.length ? cc.pop() : statement;
    159      if (combinator(type, content)) {
    160        while(cc.length && cc[cc.length - 1].lex)
    161          cc.pop()();
    162        if (cx.marked) return cx.marked;
    163        if (type == "variable" && inScope(state, content)) return "variable-2";
    164        if (type == "variable" && imported(state, content)) return "variable-3";
    165        return style;
    166      }
    167    }
    168  }
    169 
    170  function imported(state, typename) {
    171    if (/[a-z]/.test(typename.charAt(0)))
    172      return false;
    173    var len = state.importedtypes.length;
    174    for (var i = 0; i<len; i++)
    175      if(state.importedtypes[i]==typename) return true;
    176  }
    177 
    178  function registerimport(importname) {
    179    var state = cx.state;
    180    for (var t = state.importedtypes; t; t = t.next)
    181      if(t.name == importname) return;
    182    state.importedtypes = { name: importname, next: state.importedtypes };
    183  }
    184  // Combinator utils
    185 
    186  var cx = {state: null, column: null, marked: null, cc: null};
    187  function pass() {
    188    for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
    189  }
    190  function cont() {
    191    pass.apply(null, arguments);
    192    return true;
    193  }
    194  function inList(name, list) {
    195    for (var v = list; v; v = v.next)
    196      if (v.name == name) return true;
    197    return false;
    198  }
    199  function register(varname) {
    200    var state = cx.state;
    201    if (state.context) {
    202      cx.marked = "def";
    203      if (inList(varname, state.localVars)) return;
    204      state.localVars = {name: varname, next: state.localVars};
    205    } else if (state.globalVars) {
    206      if (inList(varname, state.globalVars)) return;
    207      state.globalVars = {name: varname, next: state.globalVars};
    208    }
    209  }
    210 
    211  // Combinators
    212 
    213  var defaultVars = {name: "this", next: null};
    214  function pushcontext() {
    215    if (!cx.state.context) cx.state.localVars = defaultVars;
    216    cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
    217  }
    218  function popcontext() {
    219    cx.state.localVars = cx.state.context.vars;
    220    cx.state.context = cx.state.context.prev;
    221  }
    222  popcontext.lex = true;
    223  function pushlex(type, info) {
    224    var result = function() {
    225      var state = cx.state;
    226      state.lexical = new HaxeLexical(state.indented, cx.stream.column(), type, null, state.lexical, info);
    227    };
    228    result.lex = true;
    229    return result;
    230  }
    231  function poplex() {
    232    var state = cx.state;
    233    if (state.lexical.prev) {
    234      if (state.lexical.type == ")")
    235        state.indented = state.lexical.indented;
    236      state.lexical = state.lexical.prev;
    237    }
    238  }
    239  poplex.lex = true;
    240 
    241  function expect(wanted) {
    242    function f(type) {
    243      if (type == wanted) return cont();
    244      else if (wanted == ";") return pass();
    245      else return cont(f);
    246    }
    247    return f;
    248  }
    249 
    250  function statement(type) {
    251    if (type == "@") return cont(metadef);
    252    if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);
    253    if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
    254    if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
    255    if (type == "{") return cont(pushlex("}"), pushcontext, block, poplex, popcontext);
    256    if (type == ";") return cont();
    257    if (type == "attribute") return cont(maybeattribute);
    258    if (type == "function") return cont(functiondef);
    259    if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),
    260                                   poplex, statement, poplex);
    261    if (type == "variable") return cont(pushlex("stat"), maybelabel);
    262    if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
    263                                      block, poplex, poplex);
    264    if (type == "case") return cont(expression, expect(":"));
    265    if (type == "default") return cont(expect(":"));
    266    if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
    267                                     statement, poplex, popcontext);
    268    if (type == "import") return cont(importdef, expect(";"));
    269    if (type == "typedef") return cont(typedef);
    270    return pass(pushlex("stat"), expression, expect(";"), poplex);
    271  }
    272  function expression(type) {
    273    if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);
    274    if (type == "type" ) return cont(maybeoperator);
    275    if (type == "function") return cont(functiondef);
    276    if (type == "keyword c") return cont(maybeexpression);
    277    if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator);
    278    if (type == "operator") return cont(expression);
    279    if (type == "[") return cont(pushlex("]"), commasep(maybeexpression, "]"), poplex, maybeoperator);
    280    if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);
    281    return cont();
    282  }
    283  function maybeexpression(type) {
    284    if (type.match(/[;\}\)\],]/)) return pass();
    285    return pass(expression);
    286  }
    287 
    288  function maybeoperator(type, value) {
    289    if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator);
    290    if (type == "operator" || type == ":") return cont(expression);
    291    if (type == ";") return;
    292    if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);
    293    if (type == ".") return cont(property, maybeoperator);
    294    if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
    295  }
    296 
    297  function maybeattribute(type) {
    298    if (type == "attribute") return cont(maybeattribute);
    299    if (type == "function") return cont(functiondef);
    300    if (type == "var") return cont(vardef1);
    301  }
    302 
    303  function metadef(type) {
    304    if(type == ":") return cont(metadef);
    305    if(type == "variable") return cont(metadef);
    306    if(type == "(") return cont(pushlex(")"), commasep(metaargs, ")"), poplex, statement);
    307  }
    308  function metaargs(type) {
    309    if(type == "variable") return cont();
    310  }
    311 
    312  function importdef (type, value) {
    313    if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }
    314    else if(type == "variable" || type == "property" || type == "." || value == "*") return cont(importdef);
    315  }
    316 
    317  function typedef (type, value)
    318  {
    319    if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }
    320    else if (type == "type" && /[A-Z]/.test(value.charAt(0))) { return cont(); }
    321  }
    322 
    323  function maybelabel(type) {
    324    if (type == ":") return cont(poplex, statement);
    325    return pass(maybeoperator, expect(";"), poplex);
    326  }
    327  function property(type) {
    328    if (type == "variable") {cx.marked = "property"; return cont();}
    329  }
    330  function objprop(type) {
    331    if (type == "variable") cx.marked = "property";
    332    if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);
    333  }
    334  function commasep(what, end) {
    335    function proceed(type) {
    336      if (type == ",") return cont(what, proceed);
    337      if (type == end) return cont();
    338      return cont(expect(end));
    339    }
    340    return function(type) {
    341      if (type == end) return cont();
    342      else return pass(what, proceed);
    343    };
    344  }
    345  function block(type) {
    346    if (type == "}") return cont();
    347    return pass(statement, block);
    348  }
    349  function vardef1(type, value) {
    350    if (type == "variable"){register(value); return cont(typeuse, vardef2);}
    351    return cont();
    352  }
    353  function vardef2(type, value) {
    354    if (value == "=") return cont(expression, vardef2);
    355    if (type == ",") return cont(vardef1);
    356  }
    357  function forspec1(type, value) {
    358    if (type == "variable") {
    359      register(value);
    360      return cont(forin, expression)
    361    } else {
    362      return pass()
    363    }
    364  }
    365  function forin(_type, value) {
    366    if (value == "in") return cont();
    367  }
    368  function functiondef(type, value) {
    369    //function names starting with upper-case letters are recognised as types, so cludging them together here.
    370    if (type == "variable" || type == "type") {register(value); return cont(functiondef);}
    371    if (value == "new") return cont(functiondef);
    372    if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, typeuse, statement, popcontext);
    373  }
    374  function typeuse(type) {
    375    if(type == ":") return cont(typestring);
    376  }
    377  function typestring(type) {
    378    if(type == "type") return cont();
    379    if(type == "variable") return cont();
    380    if(type == "{") return cont(pushlex("}"), commasep(typeprop, "}"), poplex);
    381  }
    382  function typeprop(type) {
    383    if(type == "variable") return cont(typeuse);
    384  }
    385  function funarg(type, value) {
    386    if (type == "variable") {register(value); return cont(typeuse);}
    387  }
    388 
    389  // Interface
    390  return {
    391    startState: function(basecolumn) {
    392      var defaulttypes = ["Int", "Float", "String", "Void", "Std", "Bool", "Dynamic", "Array"];
    393      var state = {
    394        tokenize: haxeTokenBase,
    395        reAllowed: true,
    396        kwAllowed: true,
    397        cc: [],
    398        lexical: new HaxeLexical((basecolumn || 0) - indentUnit, 0, "block", false),
    399        localVars: parserConfig.localVars,
    400        importedtypes: defaulttypes,
    401        context: parserConfig.localVars && {vars: parserConfig.localVars},
    402        indented: 0
    403      };
    404      if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
    405        state.globalVars = parserConfig.globalVars;
    406      return state;
    407    },
    408 
    409    token: function(stream, state) {
    410      if (stream.sol()) {
    411        if (!state.lexical.hasOwnProperty("align"))
    412          state.lexical.align = false;
    413        state.indented = stream.indentation();
    414      }
    415      if (stream.eatSpace()) return null;
    416      var style = state.tokenize(stream, state);
    417      if (type == "comment") return style;
    418      state.reAllowed = !!(type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/));
    419      state.kwAllowed = type != '.';
    420      return parseHaxe(state, style, type, content, stream);
    421    },
    422 
    423    indent: function(state, textAfter) {
    424      if (state.tokenize != haxeTokenBase) return 0;
    425      var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
    426      if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
    427      var type = lexical.type, closing = firstChar == type;
    428      if (type == "vardef") return lexical.indented + 4;
    429      else if (type == "form" && firstChar == "{") return lexical.indented;
    430      else if (type == "stat" || type == "form") return lexical.indented + indentUnit;
    431      else if (lexical.info == "switch" && !closing)
    432        return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
    433      else if (lexical.align) return lexical.column + (closing ? 0 : 1);
    434      else return lexical.indented + (closing ? 0 : indentUnit);
    435    },
    436 
    437    electricChars: "{}",
    438    blockCommentStart: "/*",
    439    blockCommentEnd: "*/",
    440    lineComment: "//"
    441  };
    442 });
    443 
    444 CodeMirror.defineMIME("text/x-haxe", "haxe");
    445 
    446 CodeMirror.defineMode("hxml", function () {
    447 
    448  return {
    449    startState: function () {
    450      return {
    451        define: false,
    452        inString: false
    453      };
    454    },
    455    token: function (stream, state) {
    456      var ch = stream.peek();
    457      var sol = stream.sol();
    458 
    459      ///* comments */
    460      if (ch == "#") {
    461        stream.skipToEnd();
    462        return "comment";
    463      }
    464      if (sol && ch == "-") {
    465        var style = "variable-2";
    466 
    467        stream.eat(/-/);
    468 
    469        if (stream.peek() == "-") {
    470          stream.eat(/-/);
    471          style = "keyword a";
    472        }
    473 
    474        if (stream.peek() == "D") {
    475          stream.eat(/[D]/);
    476          style = "keyword c";
    477          state.define = true;
    478        }
    479 
    480        stream.eatWhile(/[A-Z]/i);
    481        return style;
    482      }
    483 
    484      var ch = stream.peek();
    485 
    486      if (state.inString == false && ch == "'") {
    487        state.inString = true;
    488        stream.next();
    489      }
    490 
    491      if (state.inString == true) {
    492        if (stream.skipTo("'")) {
    493 
    494        } else {
    495          stream.skipToEnd();
    496        }
    497 
    498        if (stream.peek() == "'") {
    499          stream.next();
    500          state.inString = false;
    501        }
    502 
    503        return "string";
    504      }
    505 
    506      stream.next();
    507      return null;
    508    },
    509    lineComment: "#"
    510  };
    511 });
    512 
    513 CodeMirror.defineMIME("text/x-hxml", "hxml");
    514 
    515 });