if-stmt-else-decl-global-no-skip-try.js (1917B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/global-no-skip-try.case 3 // - src/annex-b-fns/global/if-stmt-else-decl.template 4 /*--- 5 description: Extension is observed when creation of variable binding would not produce an early error (try statement) (IfStatement with a declaration in the second 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 [...] 21 b. If replacing the FunctionDeclaration f with a VariableStatement that has 22 F as a BindingIdentifier would not produce any Early Errors for script, 23 then 24 [...] 25 26 B.3.5 VariableStatements in Catch Blocks 27 28 [...] 29 - It is a Syntax Error if any element of the BoundNames of CatchParameter 30 also occurs in the VarDeclaredNames of Block unless CatchParameter is 31 CatchParameter:BindingIdentifier and that element is only bound by a 32 VariableStatement, the VariableDeclarationList of a for statement, or the 33 ForBinding of a for-in statement. 34 ---*/ 35 assert.sameValue( 36 f, undefined, 'Initialized binding created prior to evaluation' 37 ); 38 39 try { 40 throw null; 41 } catch (f) { 42 43 if (false) ; else function f() { return 123; } 44 45 } 46 47 assert.sameValue( 48 typeof f, 49 'function', 50 'binding value is updated following evaluation' 51 ); 52 assert.sameValue(f(), 123); 53 54 reportCompare(0, 0);