tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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dflt-params-ref-self.js (2426B)

      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-expr-async-gen-meth-static.template
      4 /*---
      5 description: Referencing a parameter from within its own initializer (static class expression async generator method)
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [default-parameters, async-iteration]
      8 flags: [generated]
      9 info: |
     10    ClassExpression : class BindingIdentifieropt ClassTail
     11 
     12    1. If BindingIdentifieropt is not present, let className be undefined.
     13    2. Else, let className be StringValue of BindingIdentifier.
     14    3. Let value be the result of ClassDefinitionEvaluation of ClassTail
     15       with argument className.
     16    [...]
     17 
     18    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     19 
     20    21. For each ClassElement m in order from methods
     21        a. If IsStatic of m is false, then
     22        b. Else,
     23           Let status be the result of performing PropertyDefinitionEvaluation
     24           for m with arguments F and false.
     25    [...]
     26 
     27    Runtime Semantics: PropertyDefinitionEvaluation
     28 
     29    AsyncGeneratorMethod :
     30        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
     31            { AsyncGeneratorBody }
     32 
     33    1. Let propKey be the result of evaluating PropertyName.
     34    2. ReturnIfAbrupt(propKey).
     35    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
     36       Otherwise let strict be false.
     37    4. Let scope be the running execution context's LexicalEnvironment.
     38    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
     39       AsyncGeneratorBody, scope, strict).
     40    [...]
     41 
     42 
     43    14.1.19 Runtime Semantics: IteratorBindingInitialization
     44 
     45    FormalsList : FormalsList , FormalParameter
     46 
     47    1. Let status be the result of performing IteratorBindingInitialization for
     48       FormalsList using iteratorRecord and environment as the arguments.
     49    2. ReturnIfAbrupt(status).
     50    3. Return the result of performing IteratorBindingInitialization for
     51       FormalParameter using iteratorRecord and environment as the arguments.
     52 
     53 ---*/
     54 var x = 0;
     55 
     56 var callCount = 0;
     57 var C = class {
     58  static async *method(x = x) {
     59    
     60    callCount = callCount + 1;
     61  }
     62 };
     63 
     64 assert.throws(ReferenceError, function() {
     65  C.method();
     66 });
     67 assert.sameValue(callCount, 0, 'method body not evaluated');
     68 
     69 reportCompare(0, 0);