tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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dflt-params-ref-later.js (2907B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/function-forms/dflt-params-ref-later.case
      3 // - src/function-forms/error/cls-decl-gen-meth.template
      4 /*---
      5 description: Referencing a parameter that occurs later in the ParameterList (class expression method)
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [default-parameters, generators]
      8 flags: [generated]
      9 info: |
     10    ClassDeclaration : class BindingIdentifier ClassTail
     11 
     12    1. Let className be StringValue of BindingIdentifier.
     13    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
     14       argument className.
     15    [...]
     16 
     17    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     18 
     19    21. For each ClassElement m in order from methods
     20        a. If IsStatic of m is false, then
     21           i. Let status be the result of performing
     22              PropertyDefinitionEvaluation for m with arguments proto and
     23              false.
     24        [...]
     25 
     26    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
     27 
     28    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
     29 
     30    1. Let propKey be the result of evaluating PropertyName.
     31    2. ReturnIfAbrupt(propKey).
     32    3. If the function code for this GeneratorMethod is strict mode code,
     33       let strict be true. Otherwise let strict be false.
     34    4. Let scope be the running execution context's LexicalEnvironment.
     35    5. Let closure be GeneratorFunctionCreate(Method,
     36       StrictFormalParameters, GeneratorBody, scope, strict).
     37 
     38    9.2.1 [[Call]] ( thisArgument, argumentsList)
     39 
     40    [...]
     41    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     42    [...]
     43 
     44    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     45 
     46    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     47    [...]
     48 
     49    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     50 
     51    [...]
     52    23. Let iteratorRecord be Record {[[iterator]]:
     53        CreateListIterator(argumentsList), [[done]]: false}.
     54    24. If hasDuplicates is true, then
     55        [...]
     56    25. Else,
     57        b. Let formalStatus be IteratorBindingInitialization for formals with
     58           iteratorRecord and env as arguments.
     59    [...]
     60 
     61 
     62    14.1.19 Runtime Semantics: IteratorBindingInitialization
     63 
     64    FormalsList : FormalsList , FormalParameter
     65 
     66    1. Let status be the result of performing IteratorBindingInitialization for
     67       FormalsList using iteratorRecord and environment as the arguments.
     68    2. ReturnIfAbrupt(status).
     69    3. Return the result of performing IteratorBindingInitialization for
     70       FormalParameter using iteratorRecord and environment as the arguments.
     71 
     72 ---*/
     73 var x = 0;
     74 
     75 var callCount = 0;
     76 class C {
     77  *method(x = y, y) {
     78    
     79    callCount = callCount + 1;
     80  }
     81 }
     82 
     83 assert.throws(ReferenceError, function() {
     84  C.prototype.method();
     85 });
     86 assert.sameValue(callCount, 0, 'method body not evaluated');
     87 
     88 reportCompare(0, 0);