rest-params-trailing-comma-early-error.js (1751B)
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/func-expr.template 5 /*--- 6 description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (function expression) 7 esid: sec-function-definitions-runtime-semantics-evaluation 8 flags: [generated] 9 negative: 10 phase: parse 11 type: SyntaxError 12 info: | 13 FunctionExpression : function ( FormalParameters ) { FunctionBody } 14 15 [...] 16 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, 17 scope, strict). 18 [...] 19 20 9.2.1 [[Call]] ( thisArgument, argumentsList) 21 22 [...] 23 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 24 [...] 25 26 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 27 28 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 29 [...] 30 31 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 32 33 [...] 34 23. Let iteratorRecord be Record {[[iterator]]: 35 CreateListIterator(argumentsList), [[done]]: false}. 36 24. If hasDuplicates is true, then 37 [...] 38 25. Else, 39 b. Let formalStatus be IteratorBindingInitialization for formals with 40 iteratorRecord and env as arguments. 41 [...] 42 43 Trailing comma in the parameters list 44 45 14.1 Function Definitions 46 47 FormalParameters[Yield, Await] : 48 [empty] 49 FunctionRestParameter[?Yield, ?Await] 50 FormalParameterList[?Yield, ?Await] 51 FormalParameterList[?Yield, ?Await] , 52 FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await] 53 ---*/ 54 $DONOTEVALUATE(); 55 56 0, function(...a,) { 57 58 };