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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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