if-decl-else-stmt-global-existing-fn-update.js (1777B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/global-existing-fn-update.case 3 // - src/annex-b-fns/global/if-decl-else-stmt.template 4 /*--- 5 description: Variable-scoped binding is updated following evaluation (IfStatement with a declaration in the first statement position in the global scope) 6 esid: sec-functiondeclarations-in-ifstatement-statement-clauses 7 flags: [generated, noStrict] 8 info: | 9 The following rules for IfStatement augment those in 13.6: 10 11 IfStatement[Yield, Return]: 12 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return] 13 if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield] 14 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield] 15 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] 16 17 18 B.3.3.2 Changes to GlobalDeclarationInstantiation 19 [...] 20 c. When the FunctionDeclaration f is evaluated, perform the following steps 21 in place of the FunctionDeclaration Evaluation algorithm provided in 22 14.1.21: 23 24 i. Let genv be the running execution context's VariableEnvironment. 25 ii. Let genvRec be genv's EnvironmentRecord. 26 ii. Let benv be the running execution context's LexicalEnvironment. 27 iv. Let benvRec be benv's EnvironmentRecord. 28 v. Let fobj be ! benvRec.GetBindingValue(F, false). 29 vi. Perform ? genvRec.SetMutableBinding(F, fobj, false). 30 vii. Return NormalCompletion(empty). 31 ---*/ 32 33 if (true) function f() { return 'inner declaration'; } else ; 34 35 assert.sameValue(typeof f, 'function'); 36 assert.sameValue(f(), 'inner declaration'); 37 38 function f() { 39 return 'outer declaration'; 40 } 41 42 reportCompare(0, 0);