tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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dflt-params-ref-self.js (2320B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/function-forms/dflt-params-ref-self.case
      3 // - src/function-forms/error/cls-decl-async-gen-meth.template
      4 /*---
      5 description: Referencing a parameter from within its own initializer (class expression method)
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [default-parameters, async-iteration]
      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    Runtime Semantics: PropertyDefinitionEvaluation
     27 
     28    AsyncGeneratorMethod :
     29        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
     30            { AsyncGeneratorBody }
     31 
     32    1. Let propKey be the result of evaluating PropertyName.
     33    2. ReturnIfAbrupt(propKey).
     34    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
     35       Otherwise let strict be false.
     36    4. Let scope be the running execution context's LexicalEnvironment.
     37    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
     38       AsyncGeneratorBody, scope, strict).
     39    [...]
     40 
     41 
     42    14.1.19 Runtime Semantics: IteratorBindingInitialization
     43 
     44    FormalsList : FormalsList , FormalParameter
     45 
     46    1. Let status be the result of performing IteratorBindingInitialization for
     47       FormalsList using iteratorRecord and environment as the arguments.
     48    2. ReturnIfAbrupt(status).
     49    3. Return the result of performing IteratorBindingInitialization for
     50       FormalParameter using iteratorRecord and environment as the arguments.
     51 
     52 ---*/
     53 var x = 0;
     54 
     55 var callCount = 0;
     56 class C {
     57  async *method(x = x) {
     58    
     59    callCount = callCount + 1;
     60  }
     61 }
     62 
     63 assert.throws(ReferenceError, function() {
     64  C.prototype.method();
     65 });
     66 assert.sameValue(callCount, 0, 'method body not evaluated');
     67 
     68 reportCompare(0, 0);