async-gen-meth-static-obj-ptrn-id-init-unresolvable.js (2332B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-id-init-unresolvable.case 3 // - src/dstr-binding/error/cls-decl-async-gen-meth-static.template 4 /*--- 5 description: Destructuring initializer is an unresolvable reference (static class expression async generator method) 6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation 7 features: [async-iteration] 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 Runtime Semantics: PropertyDefinitionEvaluation 27 28 AsyncGeneratorMethod : 29 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) 30 { AsyncGeneratorBody } 31 32 1. Let propKey be the result of evaluating PropertyName. 33 2. ReturnIfAbrupt(propKey). 34 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. 35 Otherwise let strict be false. 36 4. Let scope be the running execution context's LexicalEnvironment. 37 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, 38 AsyncGeneratorBody, scope, strict). 39 [...] 40 41 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 42 43 SingleNameBinding : BindingIdentifier Initializeropt 44 45 [...] 46 6. If Initializer is present and v is undefined, then 47 a. Let defaultValue be the result of evaluating Initializer. 48 b. Let v be GetValue(defaultValue). 49 c. ReturnIfAbrupt(v). 50 51 6.2.3.1 GetValue (V) 52 53 1. ReturnIfAbrupt(V). 54 2. If Type(V) is not Reference, return V. 55 3. Let base be GetBase(V). 56 4. If IsUnresolvableReference(V), throw a ReferenceError exception. 57 ---*/ 58 59 60 class C { 61 static async *method({ x = unresolvableReference }) { 62 63 } 64 }; 65 66 var method = C.method; 67 68 assert.throws(ReferenceError, function() { 69 method({}); 70 }); 71 72 reportCompare(0, 0);