meth-obj-ptrn-prop-id-init.js (2494B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-id-init.case 3 // - src/dstr-binding/default/cls-decl-meth.template 4 /*--- 5 description: Binding as specified via property name, identifier, and initializer (class expression method) 6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation 7 features: [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 i. Let status be the result of performing 22 PropertyDefinitionEvaluation for m with arguments proto and 23 false. 24 [...] 25 26 14.3.8 Runtime Semantics: DefineMethod 27 28 MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody } 29 30 [...] 31 6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody, 32 scope, strict). If functionPrototype was passed as a parameter then pass its 33 value as the functionPrototype optional argument of FunctionCreate. 34 [...] 35 36 9.2.1 [[Call]] ( thisArgument, argumentsList) 37 38 [...] 39 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 40 [...] 41 42 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 43 44 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 45 [...] 46 47 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 48 49 [...] 50 23. Let iteratorRecord be Record {[[iterator]]: 51 CreateListIterator(argumentsList), [[done]]: false}. 52 24. If hasDuplicates is true, then 53 [...] 54 25. Else, 55 b. Let formalStatus be IteratorBindingInitialization for formals with 56 iteratorRecord and env as arguments. 57 [...] 58 59 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 60 61 SingleNameBinding : BindingIdentifier Initializeropt 62 63 [...] 64 8. Return InitializeReferencedBinding(lhs, v). 65 ---*/ 66 67 var callCount = 0; 68 class C { 69 method({ x: y = 33 }) { 70 assert.sameValue(y, 33); 71 assert.throws(ReferenceError, function() { 72 x; 73 }); 74 callCount = callCount + 1; 75 } 76 }; 77 78 new C().method({ }); 79 assert.sameValue(callCount, 1, 'method invoked exactly once'); 80 81 reportCompare(0, 0);