tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

eval-var-scope-syntax-err.js (1735B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/function-forms/eval-var-scope-syntax-err.case
      3 // - src/function-forms/error-no-strict/arrow-function.template
      4 /*---
      5 description: sloppy direct eval in params introduces var (arrow function expression in sloppy code)
      6 esid: sec-arrow-function-definitions-runtime-semantics-evaluation
      7 features: [default-parameters]
      8 flags: [generated, noStrict]
      9 info: |
     10    ArrowFunction : ArrowParameters => ConciseBody
     11 
     12    [...]
     13    4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict).
     14    [...]
     15 
     16    9.2.1 [[Call]] ( thisArgument, argumentsList)
     17 
     18    [...]
     19    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     20    [...]
     21 
     22    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     23 
     24    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     25    [...]
     26 
     27    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     28 
     29    [...]
     30    23. Let iteratorRecord be Record {[[iterator]]:
     31        CreateListIterator(argumentsList), [[done]]: false}.
     32    24. If hasDuplicates is true, then
     33        [...]
     34    25. Else,
     35        b. Let formalStatus be IteratorBindingInitialization for formals with
     36           iteratorRecord and env as arguments.
     37    [...]
     38 
     39    
     40    Runtime Semantics: IteratorBindingInitialization
     41    FormalParameter : BindingElement
     42 
     43    1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment.
     44 
     45 ---*/
     46 
     47 var callCount = 0;
     48 var f;
     49 f = (a = eval("var a = 42")) => {
     50  
     51  callCount = callCount + 1;
     52 };
     53 
     54 assert.throws(SyntaxError, function() {
     55  f();
     56 });
     57 assert.sameValue(callCount, 0, 'arrow function body not evaluated');
     58 
     59 reportCompare(0, 0);