OLD | NEW |
(Empty) | |
| 1 // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --no-harmony-restrictive-declarations |
| 6 |
| 7 // ES#sec-functiondeclarations-in-ifstatement-statement-clauses |
| 8 // Annex B 3.4 FunctionDeclarations in IfStatement Statement Clauses |
| 9 // In sloppy mode, function declarations in if statements act like |
| 10 // they have a block around them. Prohibited in strict mode. |
| 11 (function() { |
| 12 assertEquals(undefined, f); |
| 13 if (false) function f() { }; |
| 14 assertEquals(undefined, f); |
| 15 })(); |
| 16 |
| 17 (function() { |
| 18 assertEquals(undefined, f); |
| 19 if (true) function f() { }; |
| 20 assertEquals('function', typeof f); |
| 21 })(); |
| 22 |
| 23 (function() { |
| 24 assertEquals(undefined, f); |
| 25 if (true) {} else function f() { }; |
| 26 assertEquals(undefined, f); |
| 27 })(); |
| 28 |
| 29 (function() { |
| 30 assertEquals(undefined, f); |
| 31 if (false) {} else function f() { }; |
| 32 assertEquals('function', typeof f); |
| 33 })(); |
| 34 |
| 35 // For legacy reasons, we also support these types of semantics as |
| 36 // the body of a for or with statement. |
| 37 (function() { |
| 38 for (;false;) function f() { }; |
| 39 assertEquals(undefined, f); |
| 40 })(); |
| 41 |
| 42 (function() { |
| 43 for (var x in {}) function f() { }; |
| 44 assertEquals(undefined, f); |
| 45 })(); |
| 46 |
| 47 (function() { |
| 48 var x; |
| 49 for (x in {}) function f() { }; |
| 50 assertEquals(undefined, f); |
| 51 })(); |
| 52 |
| 53 (function() { |
| 54 for (var i = 0; i < 1; i++) function f() { }; |
| 55 assertEquals('function', typeof f); |
| 56 })(); |
| 57 |
| 58 (function() { |
| 59 for (var x in {a: 1}) function f() { }; |
| 60 assertEquals('function', typeof f); |
| 61 })(); |
| 62 |
| 63 (function() { |
| 64 var x; |
| 65 for (x in {a: 1}) function f() { }; |
| 66 assertEquals('function', typeof f); |
| 67 })(); |
| 68 |
| 69 (function() { |
| 70 with ({}) function f() { }; |
| 71 assertEquals('function', typeof f); |
| 72 })(); |
| 73 |
| 74 (function() { |
| 75 do function f() {} while (0); |
| 76 assertEquals('function', typeof f); |
| 77 })(); |
| 78 |
| 79 // Labeled function declarations undergo the same hoisting/FiB semantics as if |
| 80 // they were unalbeled. |
| 81 (function() { |
| 82 function bar() { |
| 83 return f; |
| 84 x: function f() {} |
| 85 } |
| 86 assertEquals('function', typeof bar()); |
| 87 })(); |
| 88 |
| 89 (function() { |
| 90 function bar() { |
| 91 return f; |
| 92 { |
| 93 x: function f() {} |
| 94 } |
| 95 } |
| 96 assertEquals(undefined, bar()); |
| 97 })(); |
OLD | NEW |