| // This file was procedurally generated from the following sources: |
| // - src/function-forms/rest-params-trailing-comma-early-error.case |
| // - src/function-forms/syntax/gen-meth.template |
| /*--- |
| description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (generator method) |
| esid: sec-generator-function-definitions-runtime-semantics-propertydefinitionevaluation |
| features: [generators] |
| flags: [generated] |
| negative: |
| phase: parse |
| type: SyntaxError |
| info: | |
| GeneratorMethod : |
| * PropertyName ( StrictFormalParameters ) { GeneratorBody } |
| |
| 1. Let propKey be the result of evaluating PropertyName. |
| 2. ReturnIfAbrupt(propKey). |
| 3. If the function code for this GeneratorMethod is strict mode code, |
| let strict be true. Otherwise let strict be false. |
| 4. Let scope be the running execution context's LexicalEnvironment. |
| 5. Let closure be GeneratorFunctionCreate(Method, |
| StrictFormalParameters, GeneratorBody, scope, strict). |
| [...] |
| |
| 9.2.1 [[Call]] ( thisArgument, argumentsList) |
| |
| [...] |
| 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). |
| [...] |
| |
| 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) |
| |
| 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). |
| [...] |
| |
| 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) |
| |
| [...] |
| 23. Let iteratorRecord be Record {[[iterator]]: |
| CreateListIterator(argumentsList), [[done]]: false}. |
| 24. If hasDuplicates is true, then |
| [...] |
| 25. Else, |
| b. Let formalStatus be IteratorBindingInitialization for formals with |
| iteratorRecord and env as arguments. |
| [...] |
| |
| |
| Trailing comma in the parameters list |
| |
| 14.1 Function Definitions |
| |
| FormalParameters[Yield, Await] : |
| [empty] |
| FunctionRestParameter[?Yield, ?Await] |
| FormalParameterList[?Yield, ?Await] |
| FormalParameterList[?Yield, ?Await] , |
| FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await] |
| ---*/ |
| $DONOTEVALUATE(); |
| |
| 0, { |
| *method(...a,) { |
| |
| } |
| }; |