func-if-decl-else-stmt-eval-func-skip-early-err-try.js (2294B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-skip-early-err-try.case 3 // - src/annex-b-fns/eval-func/direct-if-decl-else-stmt.template 4 /*--- 5 description: Extension is not observed when creation of variable binding would produce an early error (try statement) (IfStatement with a declaration in the first statement position in eval code) 6 esid: sec-functiondeclarations-in-ifstatement-statement-clauses 7 flags: [generated, noStrict] 8 info: | 9 The following rules for IfStatement augment those in 13.6: 10 11 IfStatement[Yield, Return]: 12 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return] 13 if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield] 14 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield] 15 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] 16 17 18 B.3.3.3 Changes to EvalDeclarationInstantiation 19 20 [...] 21 ii. If replacing the FunctionDeclaration f with a VariableStatement that 22 has F as a BindingIdentifier would not produce any Early Errors for 23 body, then 24 [...] 25 26 B.3.5 VariableStatements in Catch Blocks 27 28 [...] 29 - It is a Syntax Error if any element of the BoundNames of CatchParameter 30 also occurs in the VarDeclaredNames of Block unless CatchParameter is 31 CatchParameter:BindingIdentifier and that element is only bound by a 32 VariableStatement, the VariableDeclarationList of a for statement, or the 33 ForBinding of a for-in statement. 34 ---*/ 35 36 (function() { 37 eval( 38 'assert.throws(ReferenceError, function() {\ 39 f;\ 40 }, "An initialized binding is not created prior to evaluation");\ 41 assert.sameValue(\ 42 typeof f,\ 43 "undefined",\ 44 "An uninitialized binding is not created prior to evaluation"\ 45 );\ 46 \ 47 try {\ 48 throw {};\ 49 } catch ({ f }) {if (true) function f() { } else ;}\ 50 \ 51 assert.throws(ReferenceError, function() {\ 52 f;\ 53 }, "An initialized binding is not created following evaluation");\ 54 assert.sameValue(\ 55 typeof f,\ 56 "undefined",\ 57 "An uninitialized binding is not created following evaluation"\ 58 );' 59 ); 60 }()); 61 62 reportCompare(0, 0);