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 $Array = global.Array; |
10 | 10 |
(...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
116 if ((end - i) > 0 && ObjectIsFrozen(array)) { | 116 if ((end - i) > 0 && ObjectIsFrozen(array)) { |
117 throw MakeTypeError("array_functions_on_frozen", | 117 throw MakeTypeError("array_functions_on_frozen", |
118 ["Array.prototype.fill"]); | 118 ["Array.prototype.fill"]); |
119 } | 119 } |
120 | 120 |
121 for (; i < end; i++) | 121 for (; i < end; i++) |
122 array[i] = value; | 122 array[i] = value; |
123 return array; | 123 return array; |
124 } | 124 } |
125 | 125 |
126 // ES6, draft 05-22-14, section 22.1.2.3 | |
127 function ArrayOf() { | |
128 var len = %_ArgumentsLength(); | |
129 var C = this; | |
130 // TODO: Implement IsConstructor (ES6 section 7.2.5) | |
131 if (IS_SPEC_FUNCTION(C)) { | |
132 var A = new C(len); | |
rossberg
2014/07/21 16:07:07
Please don't make use of var scoping like that. Pr
| |
133 } else { | |
134 var A = []; | |
135 } | |
136 for (var k = 0; k < len; k++) { | |
137 %AddProperty(A, k, %_Arguments(k)); | |
rossberg
2014/07/21 16:07:07
Unfortunately, this runtime function has recently
| |
138 } | |
139 A.length = len; | |
140 return A; | |
141 } | |
142 | |
126 // ------------------------------------------------------------------- | 143 // ------------------------------------------------------------------- |
127 | 144 |
128 function HarmonyArrayExtendArrayPrototype() { | 145 function HarmonyArrayExtendArrayPrototype() { |
129 %CheckIsBootstrapping(); | 146 %CheckIsBootstrapping(); |
130 | 147 |
148 // Set up non-enumerable functions on the Array object. | |
149 InstallFunctions($Array, DONT_ENUM, $Array( | |
150 "of", ArrayOf | |
151 )); | |
152 | |
131 // Set up the non-enumerable functions on the Array prototype object. | 153 // Set up the non-enumerable functions on the Array prototype object. |
132 InstallFunctions($Array.prototype, DONT_ENUM, $Array( | 154 InstallFunctions($Array.prototype, DONT_ENUM, $Array( |
133 "find", ArrayFind, | 155 "find", ArrayFind, |
134 "findIndex", ArrayFindIndex, | 156 "findIndex", ArrayFindIndex, |
135 "fill", ArrayFill | 157 "fill", ArrayFill |
136 )); | 158 )); |
137 } | 159 } |
138 | 160 |
139 HarmonyArrayExtendArrayPrototype(); | 161 HarmonyArrayExtendArrayPrototype(); |
OLD | NEW |