ary-ptrn-elem-ary-val-null.js (1954B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-elem-ary-val-null.case 3 // - src/dstr-binding/error/func-decl.template 4 /*--- 5 description: Nested array destructuring with a null value (function declaration) 6 esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 FunctionDeclaration : 11 function BindingIdentifier ( FormalParameters ) { FunctionBody } 12 13 [...] 14 3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody, 15 scope, strict). 16 [...] 17 18 9.2.1 [[Call]] ( thisArgument, argumentsList) 19 20 [...] 21 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 22 [...] 23 24 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 25 26 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 27 [...] 28 29 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 30 31 [...] 32 23. Let iteratorRecord be Record {[[iterator]]: 33 CreateListIterator(argumentsList), [[done]]: false}. 34 24. If hasDuplicates is true, then 35 [...] 36 25. Else, 37 b. Let formalStatus be IteratorBindingInitialization for formals with 38 iteratorRecord and env as arguments. 39 [...] 40 41 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 42 43 BindingElement : BindingPattern Initializeropt 44 45 1. If iteratorRecord.[[done]] is false, then 46 [...] 47 e. Else 48 i. Let v be IteratorValue(next). 49 [...] 50 4. Return the result of performing BindingInitialization of BindingPattern 51 with v and environment as the arguments. 52 53 13.3.3.5 Runtime Semantics: BindingInitialization 54 55 BindingPattern : ArrayBindingPattern 56 57 1. Let iterator be GetIterator(value). 58 2. ReturnIfAbrupt(iterator). 59 ---*/ 60 61 function f([[x]]) {} 62 63 assert.throws(TypeError, function() { 64 f([null]); 65 }); 66 67 reportCompare(0, 0);