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private-gen-meth-static-ary-ptrn-rest-ary-elem.js (3756B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-rest-ary-elem.case
      3 // - src/dstr-binding/default/cls-decl-private-gen-meth-static.template
      4 /*---
      5 description: Rest element containing an array BindingElementList pattern (private static class expression generator method)
      6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation
      7 features: [class, class-static-methods-private, generators, destructuring-binding]
      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        b. Else,
     22           Let status be the result of performing PropertyDefinitionEvaluation for
     23           m with arguments F and 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    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     62 
     63    BindingRestElement : ... BindingPattern
     64 
     65    1. Let A be ArrayCreate(0).
     66    [...]
     67    3. Repeat
     68       [...]
     69       b. If iteratorRecord.[[done]] is true, then
     70          i. Return the result of performing BindingInitialization of
     71             BindingPattern with A and environment as the arguments.
     72       [...]
     73 
     74    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     75 
     76    SingleNameBinding : BindingIdentifier Initializeropt
     77 
     78    [...]
     79    4. If iteratorRecord.[[done]] is false, then
     80       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
     81       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
     82       c. ReturnIfAbrupt(next).
     83       d. If next is false, set iteratorRecord.[[done]] to true.
     84       e. Else,
     85          [...]
     86          i. Let v be IteratorValue(next).
     87          ii. If v is an abrupt completion, set
     88              iteratorRecord.[[done]] to true.
     89          iii. ReturnIfAbrupt(v).
     90    5. If iteratorRecord.[[done]] is true, let v be undefined.
     91    [...]
     92    8. Return InitializeReferencedBinding(lhs, v).
     93 ---*/
     94 
     95 var callCount = 0;
     96 class C {
     97  static * #method([...[x, y, z]]) {
     98    assert.sameValue(x, 3);
     99    assert.sameValue(y, 4);
    100    assert.sameValue(z, 5);
    101    callCount = callCount + 1;
    102  }
    103 
    104  static get method() {
    105    return this.#method;
    106  }
    107 };
    108 
    109 C.method([3, 4, 5]).next();
    110 assert.sameValue(callCount, 1, 'method invoked exactly once');
    111 
    112 reportCompare(0, 0);