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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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93 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength); | 93 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength); |
94 } | 94 } |
95 | 95 |
96 function NAMEConstructByLength(obj, length) { | 96 function NAMEConstructByLength(obj, length) { |
97 var l = IS_UNDEFINED(length) ? | 97 var l = IS_UNDEFINED(length) ? |
98 0 : ToPositiveInteger(length, "invalid_typed_array_length"); | 98 0 : ToPositiveInteger(length, "invalid_typed_array_length"); |
99 if (l > %_MaxSmi()) { | 99 if (l > %_MaxSmi()) { |
100 throw MakeRangeError("invalid_typed_array_length"); | 100 throw MakeRangeError("invalid_typed_array_length"); |
101 } | 101 } |
102 var byteLength = l * ELEMENT_SIZE; | 102 var byteLength = l * ELEMENT_SIZE; |
103 if (byteLength > %_TypedArrayMaxSizeInHeap()) { | 103 var buffer = new $ArrayBuffer(byteLength); |
104 var buffer = new $ArrayBuffer(byteLength); | 104 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength); |
105 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength); | |
106 } else { | |
107 %_TypedArrayInitialize(obj, ARRAY_ID, null, 0, byteLength); | |
108 } | |
109 } | 105 } |
110 | 106 |
111 function NAMEConstructByArrayLike(obj, arrayLike) { | 107 function NAMEConstructByArrayLike(obj, arrayLike) { |
112 var length = arrayLike.length; | 108 var length = arrayLike.length; |
113 var l = ToPositiveInteger(length, "invalid_typed_array_length"); | 109 var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
114 | 110 |
115 if (l > %_MaxSmi()) { | 111 if (l > %_MaxSmi()) { |
116 throw MakeRangeError("invalid_typed_array_length"); | 112 throw MakeRangeError("invalid_typed_array_length"); |
117 } | 113 } |
118 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { | 114 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { |
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466 | 462 |
467 "getFloat32", DataViewGetFloat32, | 463 "getFloat32", DataViewGetFloat32, |
468 "setFloat32", DataViewSetFloat32, | 464 "setFloat32", DataViewSetFloat32, |
469 | 465 |
470 "getFloat64", DataViewGetFloat64, | 466 "getFloat64", DataViewGetFloat64, |
471 "setFloat64", DataViewSetFloat64 | 467 "setFloat64", DataViewSetFloat64 |
472 )); | 468 )); |
473 } | 469 } |
474 | 470 |
475 SetupDataView(); | 471 SetupDataView(); |
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