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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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62 newByteLength = newLength * elementSize; | 62 newByteLength = newLength * elementSize; |
63 } | 63 } |
64 if (offset + newByteLength > bufferByteLength) { | 64 if (offset + newByteLength > bufferByteLength) { |
65 throw MakeRangeError("invalid_typed_array_length"); | 65 throw MakeRangeError("invalid_typed_array_length"); |
66 } | 66 } |
67 %TypedArrayInitialize(obj, arrayId, buffer, offset, newByteLength); | 67 %TypedArrayInitialize(obj, arrayId, buffer, offset, newByteLength); |
68 } | 68 } |
69 | 69 |
70 function ConstructByLength(obj, length) { | 70 function ConstructByLength(obj, length) { |
71 var l = ToPositiveInteger(length, "invalid_typed_array_length"); | 71 var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
| 72 if (l > %MaxSmi()) { |
| 73 throw MakeRangeError("invalid_typed_array_length"); |
| 74 } |
72 var byteLength = l * elementSize; | 75 var byteLength = l * elementSize; |
73 var buffer = new global.ArrayBuffer(byteLength); | 76 var buffer = new global.ArrayBuffer(byteLength); |
74 %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength); | 77 %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength); |
75 } | 78 } |
76 | 79 |
77 function ConstructByArrayLike(obj, arrayLike) { | 80 function ConstructByArrayLike(obj, arrayLike) { |
78 var length = arrayLike.length; | 81 var length = arrayLike.length; |
79 var l = ToPositiveInteger(length, "invalid_typed_array_length"); | 82 var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
80 if (l > %MaxSmi()) { | |
81 throw MakeRangeError("invalid_typed_array_length"); | |
82 } | |
83 if(!%TypedArrayInitializeFromArrayLike(obj, arrayId, arrayLike, l)) { | 83 if(!%TypedArrayInitializeFromArrayLike(obj, arrayId, arrayLike, l)) { |
84 for (var i = 0; i < l; i++) { | 84 for (var i = 0; i < l; i++) { |
85 obj[i] = arrayLike[i]; | 85 obj[i] = arrayLike[i]; |
86 } | 86 } |
87 } | 87 } |
88 } | 88 } |
89 | 89 |
90 return function (arg1, arg2, arg3) { | 90 return function (arg1, arg2, arg3) { |
91 if (%_IsConstructCall()) { | 91 if (%_IsConstructCall()) { |
92 if (IS_ARRAYBUFFER(arg1)) { | 92 if (IS_ARRAYBUFFER(arg1)) { |
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589 | 589 |
590 "getFloat32", DataViewGetFloat32, | 590 "getFloat32", DataViewGetFloat32, |
591 "setFloat32", DataViewSetFloat32, | 591 "setFloat32", DataViewSetFloat32, |
592 | 592 |
593 "getFloat64", DataViewGetFloat64, | 593 "getFloat64", DataViewGetFloat64, |
594 "setFloat64", DataViewSetFloat64 | 594 "setFloat64", DataViewSetFloat64 |
595 )); | 595 )); |
596 } | 596 } |
597 | 597 |
598 SetupDataView(); | 598 SetupDataView(); |
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