// This file was procedurally generated from the following sources: // - src/annex-b-fns/func-block-scoping.case // - src/annex-b-fns/func/if-decl-else-decl-a.template /*--- description: A block-scoped binding is created (IfStatement with a declaration in both statement positions in function scope) esid: sec-functiondeclarations-in-ifstatement-statement-clauses flags: [generated, noStrict] info: | The following rules for IfStatement augment those in 13.6: IfStatement[Yield, Return]: if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return] if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield] if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield] if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] 13.2.14 Runtime Semantics: BlockDeclarationInstantiation [...] 4. For each element d in declarations do a. For each element dn of the BoundNames of d do i. If IsConstantDeclaration of d is true, then [...] ii. Else, 2. Perform ! envRec.CreateMutableBinding(dn, false). b. If d is a GeneratorDeclaration production or a FunctionDeclaration production, then i. Let fn be the sole element of the BoundNames of d. ii. Let fo be the result of performing InstantiateFunctionObject for d with argument env. iii. Perform envRec.InitializeBinding(fn, fo). ---*/ var initialBV, currentBV, varBinding; (function() { if (true) function f() { initialBV = f; f = 123; currentBV = f; return 'decl'; } else function _f() {} varBinding = f; f(); }()); assert.sameValue( initialBV(), 'decl', 'Block-scoped binding value is function object at execution time' ); assert.sameValue(currentBV, 123, 'Block-scoped binding is mutable'); assert.sameValue( varBinding(), 'decl', 'Block-scoped binding is independent of outer var-scoped binding' ); reportCompare(0, 0);