meth-obj-ptrn-id-init-fn-name-gen.js (2200B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case 3 // - src/dstr-binding/default/meth.template 4 /*--- 5 description: SingleNameBinding assigns name to "anonymous" generator functions (method) 6 esid: sec-runtime-semantics-definemethod 7 features: [generators, destructuring-binding] 8 flags: [generated] 9 info: | 10 MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody } 11 12 [...] 13 6. Let closure be FunctionCreate(kind, StrictFormalParameters, 14 FunctionBody, scope, strict). If functionPrototype was passed as a 15 parameter then pass its value as the functionPrototype optional argument 16 of FunctionCreate. 17 [...] 18 19 9.2.1 [[Call]] ( thisArgument, argumentsList) 20 21 [...] 22 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 23 [...] 24 25 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 26 27 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 28 [...] 29 30 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 31 32 [...] 33 23. Let iteratorRecord be Record {[[iterator]]: 34 CreateListIterator(argumentsList), [[done]]: false}. 35 24. If hasDuplicates is true, then 36 [...] 37 25. Else, 38 b. Let formalStatus be IteratorBindingInitialization for formals with 39 iteratorRecord and env as arguments. 40 [...] 41 42 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 43 44 SingleNameBinding : BindingIdentifier Initializeropt 45 46 [...] 47 6. If Initializer is present and v is undefined, then 48 [...] 49 d. If IsAnonymousFunctionDefinition(Initializer) is true, then 50 i. Let hasNameProperty be HasOwnProperty(v, "name"). 51 ii. ReturnIfAbrupt(hasNameProperty). 52 iii. If hasNameProperty is false, perform SetFunctionName(v, 53 bindingId). 54 55 ---*/ 56 57 var callCount = 0; 58 var obj = { 59 method({ gen = function* () {}, xGen = function* x() {} }) { 60 assert.sameValue(gen.name, 'gen'); 61 assert.notSameValue(xGen.name, 'xGen'); 62 callCount = callCount + 1; 63 } 64 }; 65 66 obj.method({}); 67 assert.sameValue(callCount, 1, 'method invoked exactly once'); 68 69 reportCompare(0, 0);