mirror of
				https://github.com/tc39/test262.git
				synced 2025-11-03 21:24:30 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			67 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// 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,) {
 | 
						|
    
 | 
						|
  }
 | 
						|
};
 |