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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 |
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51 | 51 |
52 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 52 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
53 for (var i = 0; i < length; i++) { | 53 for (var i = 0; i < length; i++) { |
54 var element = this[i]; | 54 var element = this[i]; |
55 // Prepare break slots for debugger step in. | 55 // Prepare break slots for debugger step in. |
56 if (stepping) %DebugPrepareStepInIfStepping(f); | 56 if (stepping) %DebugPrepareStepInIfStepping(f); |
57 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; | 57 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
58 %_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f); | 58 %_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f); |
59 } | 59 } |
60 } | 60 } |
| 61 |
| 62 // ES6 draft 08-24-14, section 22.2.2.2 |
| 63 function NAMEOf() { // length == 0 |
| 64 var length = %_ArgumentsLength(); |
| 65 var array = new this(length); |
| 66 for (var i = 0; i < length; i++) { |
| 67 array[i] = %_Arguments(i); |
| 68 } |
| 69 return array; |
| 70 } |
| 71 |
61 endmacro | 72 endmacro |
62 | 73 |
63 TYPED_ARRAYS(TYPED_ARRAY_HARMONY_ADDITIONS) | 74 TYPED_ARRAYS(TYPED_ARRAY_HARMONY_ADDITIONS) |
64 | 75 |
65 | 76 |
66 function HarmonyTypedArrayExtendPrototypes() { | 77 function HarmonyTypedArrayExtendPrototypes() { |
67 macro EXTEND_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE) | 78 macro EXTEND_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE) |
68 %CheckIsBootstrapping(); | 79 %CheckIsBootstrapping(); |
69 | 80 |
| 81 // Set up non-enumerable functions on the object. |
| 82 InstallFunctions(global.NAME, DONT_ENUM | DONT_DELETE | READ_ONLY, $Array( |
| 83 "of", NAMEOf |
| 84 )); |
| 85 |
70 // Set up non-enumerable functions on the prototype object. | 86 // Set up non-enumerable functions on the prototype object. |
71 InstallFunctions(global.NAME.prototype, DONT_ENUM, $Array( | 87 InstallFunctions(global.NAME.prototype, DONT_ENUM, $Array( |
72 "forEach", NAMEForEach | 88 "forEach", NAMEForEach |
73 )); | 89 )); |
74 endmacro | 90 endmacro |
75 | 91 |
76 TYPED_ARRAYS(EXTEND_TYPED_ARRAY) | 92 TYPED_ARRAYS(EXTEND_TYPED_ARRAY) |
77 } | 93 } |
78 | 94 |
79 HarmonyTypedArrayExtendPrototypes(); | 95 HarmonyTypedArrayExtendPrototypes(); |
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