func-if-decl-else-decl-b-eval-func-existing-fn-no-init.js (1813B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-existing-fn-no-init.case 3 // - src/annex-b-fns/eval-func/direct-if-decl-else-decl-b.template 4 /*--- 5 description: Existing variable binding is not modified (IfStatement with a declaration in both statement positions in eval code) 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.3.3.3 Changes to EvalDeclarationInstantiation 19 20 [...] 21 b. When the FunctionDeclaration f is evaluated, perform the following steps 22 in place of the FunctionDeclaration Evaluation algorithm provided in 23 14.1.21: 24 i. Let genv be the running execution context's VariableEnvironment. 25 ii. Let genvRec be genv's EnvironmentRecord. 26 iii. 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 var init; 33 34 (function() { 35 eval( 36 'init = f;if (false) function _f() {} else function f() { return "inner declaration"; }function f() {\ 37 return "outer declaration";\ 38 }' 39 ); 40 }()); 41 42 assert.sameValue(init(), 'outer declaration'); 43 44 reportCompare(0, 0);