OLD | NEW |
1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 'use strict'; | 5 'use strict'; |
6 | 6 |
7 // This file relies on the fact that the following declaration has been made | 7 // This file relies on the fact that the following declaration has been made |
8 // in runtime.js: | 8 // in runtime.js: |
9 // var $Array = global.Array; | 9 // var $Array = global.Array; |
10 | 10 |
(...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
116 if ((end - i) > 0 && ObjectIsFrozen(array)) { | 116 if ((end - i) > 0 && ObjectIsFrozen(array)) { |
117 throw MakeTypeError("array_functions_on_frozen", | 117 throw MakeTypeError("array_functions_on_frozen", |
118 ["Array.prototype.fill"]); | 118 ["Array.prototype.fill"]); |
119 } | 119 } |
120 | 120 |
121 for (; i < end; i++) | 121 for (; i < end; i++) |
122 array[i] = value; | 122 array[i] = value; |
123 return array; | 123 return array; |
124 } | 124 } |
125 | 125 |
| 126 // ES6, draft 05-22-14, section 22.1.2.3 |
| 127 function ArrayOf() { |
| 128 var length = %_ArgumentsLength(); |
| 129 var constructor = this; |
| 130 // TODO: Implement IsConstructor (ES6 section 7.2.5) |
| 131 var array = IS_SPEC_FUNCTION(constructor) ? new constructor(length) : []; |
| 132 for (var i = 0; i < length; i++) { |
| 133 %AddElement(array, i, %_Arguments(i), NONE); |
| 134 } |
| 135 array.length = length; |
| 136 return array; |
| 137 } |
| 138 |
126 // ------------------------------------------------------------------- | 139 // ------------------------------------------------------------------- |
127 | 140 |
128 function HarmonyArrayExtendArrayPrototype() { | 141 function HarmonyArrayExtendArrayPrototype() { |
129 %CheckIsBootstrapping(); | 142 %CheckIsBootstrapping(); |
130 | 143 |
| 144 // Set up non-enumerable functions on the Array object. |
| 145 InstallFunctions($Array, DONT_ENUM, $Array( |
| 146 "of", ArrayOf |
| 147 )); |
| 148 |
131 // Set up the non-enumerable functions on the Array prototype object. | 149 // Set up the non-enumerable functions on the Array prototype object. |
132 InstallFunctions($Array.prototype, DONT_ENUM, $Array( | 150 InstallFunctions($Array.prototype, DONT_ENUM, $Array( |
133 "find", ArrayFind, | 151 "find", ArrayFind, |
134 "findIndex", ArrayFindIndex, | 152 "findIndex", ArrayFindIndex, |
135 "fill", ArrayFill | 153 "fill", ArrayFill |
136 )); | 154 )); |
137 } | 155 } |
138 | 156 |
139 HarmonyArrayExtendArrayPrototype(); | 157 HarmonyArrayExtendArrayPrototype(); |
OLD | NEW |