tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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meth-eval-var-scope-syntax-err.js (1887B)

      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/meth.template
      4 /*---
      5 description: sloppy direct eval in params introduces var (method in sloppy code)
      6 esid: sec-runtime-semantics-definemethod
      7 features: [default-parameters]
      8 flags: [generated, noStrict]
      9 info: |
     10    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
     11 
     12    [...]
     13    6. Let closure be FunctionCreate(kind, StrictFormalParameters,
     14       FunctionBody, scope, strict). If functionPrototype was passed as a
     15       parameter then pass its value as the functionPrototype optional argument
     16       of FunctionCreate.
     17    [...]
     18 
     19    9.2.1 [[Call]] ( thisArgument, argumentsList)
     20 
     21    [...]
     22    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     23    [...]
     24 
     25    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     26 
     27    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     28    [...]
     29 
     30    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     31 
     32    [...]
     33    23. Let iteratorRecord be Record {[[iterator]]:
     34        CreateListIterator(argumentsList), [[done]]: false}.
     35    24. If hasDuplicates is true, then
     36        [...]
     37    25. Else,
     38        b. Let formalStatus be IteratorBindingInitialization for formals with
     39           iteratorRecord and env as arguments.
     40    [...]
     41 
     42    
     43    Runtime Semantics: IteratorBindingInitialization
     44    FormalParameter : BindingElement
     45 
     46    1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment.
     47 
     48 ---*/
     49 
     50 var callCount = 0;
     51 var obj = {
     52  method(a = eval("var a = 42")) {
     53    
     54    callCount = callCount + 1;
     55  }
     56 };
     57 
     58 assert.throws(SyntaxError, function() {
     59  obj.method();
     60 });
     61 assert.sameValue(callCount, 0, 'method body not evaluated');
     62 
     63 reportCompare(0, 0);