func-if-decl-no-else-eval-func-no-skip-param.js (1426B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-no-skip-param.case 3 // - src/annex-b-fns/eval-func/direct-if-decl-no-else.template 4 /*--- 5 description: Extension observed when there is a formal parameter with the same name (IfStatement without an else clause 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 ii. If replacing the FunctionDeclaration f with a VariableStatement that 22 has F as a BindingIdentifier would not produce any Early Errors for 23 body, then 24 [...] 25 ---*/ 26 var init, after; 27 28 (function(f) { 29 eval( 30 'init = f;if (true) function f() { }after = f;' 31 ); 32 }(123)); 33 34 assert.sameValue(init, 123, 'binding is not initialized to `undefined`'); 35 assert.sameValue( 36 typeof after, 'function', 'value is updated following evaluation' 37 ); 38 39 reportCompare(0, 0);