private-gen-meth-dflt-ary-ptrn-elem-id-iter-val.js (3393B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-elem-id-iter-val.case 3 // - src/dstr-binding/default/cls-decl-private-gen-meth-dflt.template 4 /*--- 5 description: SingleNameBinding when value iteration was completed previously (private class expression method (default parameters)) 6 esid: sec-class-definitions-runtime-semantics-evaluation 7 features: [class, class-methods-private, generators, destructuring-binding, default-parameters] 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 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 62 63 SingleNameBinding : BindingIdentifier Initializeropt 64 65 [...] 66 4. If iteratorRecord.[[done]] is false, then 67 a. Let next be IteratorStep(iteratorRecord.[[iterator]]). 68 b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. 69 c. ReturnIfAbrupt(next). 70 d. If next is false, set iteratorRecord.[[done]] to true. 71 e. Else, 72 [...] 73 i. Let v be IteratorValue(next). 74 ii. If v is an abrupt completion, set 75 iteratorRecord.[[done]] to true. 76 iii. ReturnIfAbrupt(v). 77 5. If iteratorRecord.[[done]] is true, let v be undefined. 78 [...] 79 8. Return InitializeReferencedBinding(lhs, v). 80 ---*/ 81 82 var callCount = 0; 83 class C { 84 * #method([x, y, z] = [1, 2, 3]) { 85 assert.sameValue(x, 1); 86 assert.sameValue(y, 2); 87 assert.sameValue(z, 3); 88 callCount = callCount + 1; 89 } 90 91 get method() { 92 return this.#method; 93 } 94 }; 95 96 new C().method().next(); 97 assert.sameValue(callCount, 1, 'method invoked exactly once'); 98 99 reportCompare(0, 0);