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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 (function() { | 5 (function() { |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
11 var GlobalArrayBuffer = global.ArrayBuffer; | 11 var GlobalArrayBuffer = global.ArrayBuffer; |
12 var GlobalObject = global.Object; | 12 var GlobalObject = global.Object; |
13 | 13 |
14 // ------------------------------------------------------------------- | 14 // ------------------------------------------------------------------- |
15 | 15 |
16 function ArrayBufferConstructor(length) { // length = 1 | 16 function ArrayBufferConstructor(length) { // length = 1 |
17 if (%_IsConstructCall()) { | 17 if (%_IsConstructCall()) { |
18 var byteLength = ToPositiveInteger(length, 'invalid_array_buffer_length'); | 18 var byteLength = ToPositiveInteger(length, 'invalid_array_buffer_length'); |
19 %ArrayBufferInitialize(this, byteLength); | 19 %ArrayBufferInitialize(this, byteLength); |
20 } else { | 20 } else { |
21 throw MakeTypeError('constructor_not_function', ["ArrayBuffer"]); | 21 throw MakeTypeError('constructor_not_function', ["ArrayBuffer"]); |
22 } | 22 } |
23 } | 23 } |
24 | 24 |
25 function ArrayBufferGetByteLen() { | 25 function ArrayBufferGetByteLen() { |
26 if (!IS_ARRAYBUFFER(this)) { | 26 if (!IS_ARRAYBUFFER(this)) { |
27 throw MakeTypeError('incompatible_method_receiver', | 27 throw MakeTypeError(kIncompatibleMethodReceiver, |
28 ['ArrayBuffer.prototype.byteLength', this]); | 28 'ArrayBuffer.prototype.byteLength', this); |
29 } | 29 } |
30 return %_ArrayBufferGetByteLength(this); | 30 return %_ArrayBufferGetByteLength(this); |
31 } | 31 } |
32 | 32 |
33 // ES6 Draft 15.13.5.5.3 | 33 // ES6 Draft 15.13.5.5.3 |
34 function ArrayBufferSlice(start, end) { | 34 function ArrayBufferSlice(start, end) { |
35 if (!IS_ARRAYBUFFER(this)) { | 35 if (!IS_ARRAYBUFFER(this)) { |
36 throw MakeTypeError('incompatible_method_receiver', | 36 throw MakeTypeError(kIncompatibleMethodReceiver, |
37 ['ArrayBuffer.prototype.slice', this]); | 37 'ArrayBuffer.prototype.slice', this); |
38 } | 38 } |
39 | 39 |
40 var relativeStart = TO_INTEGER(start); | 40 var relativeStart = TO_INTEGER(start); |
41 if (!IS_UNDEFINED(end)) { | 41 if (!IS_UNDEFINED(end)) { |
42 end = TO_INTEGER(end); | 42 end = TO_INTEGER(end); |
43 } | 43 } |
44 var first; | 44 var first; |
45 var byte_length = %_ArrayBufferGetByteLength(this); | 45 var byte_length = %_ArrayBufferGetByteLength(this); |
46 if (relativeStart < 0) { | 46 if (relativeStart < 0) { |
47 first = $max(byte_length + relativeStart, 0); | 47 first = $max(byte_length + relativeStart, 0); |
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87 | 87 |
88 InstallFunctions(GlobalArrayBuffer, DONT_ENUM, [ | 88 InstallFunctions(GlobalArrayBuffer, DONT_ENUM, [ |
89 "isView", ArrayBufferIsViewJS | 89 "isView", ArrayBufferIsViewJS |
90 ]); | 90 ]); |
91 | 91 |
92 InstallFunctions(GlobalArrayBuffer.prototype, DONT_ENUM, [ | 92 InstallFunctions(GlobalArrayBuffer.prototype, DONT_ENUM, [ |
93 "slice", ArrayBufferSlice | 93 "slice", ArrayBufferSlice |
94 ]); | 94 ]); |
95 | 95 |
96 })(); | 96 })(); |
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