rest-params-trailing-comma-early-error.js (2589B)
1 // |reftest| error:SyntaxError 2 // This file was procedurally generated from the following sources: 3 // - src/function-forms/rest-params-trailing-comma-early-error.case 4 // - src/function-forms/syntax/cls-expr-meth-static.template 5 /*--- 6 description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (static class expression method) 7 esid: sec-class-definitions-runtime-semantics-evaluation 8 flags: [generated] 9 negative: 10 phase: parse 11 type: SyntaxError 12 info: | 13 ClassExpression : class BindingIdentifieropt ClassTail 14 15 1. If BindingIdentifieropt is not present, let className be undefined. 16 2. Else, let className be StringValue of BindingIdentifier. 17 3. Let value be the result of ClassDefinitionEvaluation of ClassTail 18 with argument className. 19 [...] 20 21 14.5.14 Runtime Semantics: ClassDefinitionEvaluation 22 23 21. For each ClassElement m in order from methods 24 a. If IsStatic of m is false, then 25 b. Else, 26 Let status be the result of performing PropertyDefinitionEvaluation for 27 m with arguments F and false. 28 [...] 29 30 14.3.8 Runtime Semantics: DefineMethod 31 32 MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody } 33 34 [...] 35 6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody, 36 scope, strict). If functionPrototype was passed as a parameter then pass its 37 value as the functionPrototype optional argument of FunctionCreate. 38 [...] 39 40 9.2.1 [[Call]] ( thisArgument, argumentsList) 41 42 [...] 43 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 44 [...] 45 46 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 47 48 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 49 [...] 50 51 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 52 53 [...] 54 23. Let iteratorRecord be Record {[[iterator]]: 55 CreateListIterator(argumentsList), [[done]]: false}. 56 24. If hasDuplicates is true, then 57 [...] 58 25. Else, 59 b. Let formalStatus be IteratorBindingInitialization for formals with 60 iteratorRecord and env as arguments. 61 [...] 62 63 Trailing comma in the parameters list 64 65 14.1 Function Definitions 66 67 FormalParameters[Yield, Await] : 68 [empty] 69 FunctionRestParameter[?Yield, ?Await] 70 FormalParameterList[?Yield, ?Await] 71 FormalParameterList[?Yield, ?Await] , 72 FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await] 73 ---*/ 74 $DONOTEVALUATE(); 75 76 0, class { 77 static method(...a,) { 78 79 } 80 };