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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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91 throw MakeRangeError("invalid_typed_array_length"); | 91 throw MakeRangeError("invalid_typed_array_length"); |
92 } | 92 } |
93 var byteLength = l * ELEMENT_SIZE; | 93 var byteLength = l * ELEMENT_SIZE; |
94 var buffer = new $ArrayBuffer(byteLength); | 94 var buffer = new $ArrayBuffer(byteLength); |
95 %TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength); | 95 %TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength); |
96 } | 96 } |
97 | 97 |
98 function NAMEConstructByArrayLike(obj, arrayLike) { | 98 function NAMEConstructByArrayLike(obj, arrayLike) { |
99 var length = arrayLike.length; | 99 var length = arrayLike.length; |
100 var l = ToPositiveInteger(length, "invalid_typed_array_length"); | 100 var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
| 101 if (l > %MaxSmi()) { |
| 102 throw MakeRangeError("invalid_typed_array_length"); |
| 103 } |
101 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { | 104 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { |
102 for (var i = 0; i < l; i++) { | 105 for (var i = 0; i < l; i++) { |
103 // It is crucial that we let any execptions from arrayLike[i] | 106 // It is crucial that we let any execptions from arrayLike[i] |
104 // propagate outside the function. | 107 // propagate outside the function. |
105 obj[i] = arrayLike[i]; | 108 obj[i] = arrayLike[i]; |
106 } | 109 } |
107 } | 110 } |
108 } | 111 } |
109 | 112 |
110 function NAMEConstructor(arg1, arg2, arg3) { | 113 function NAMEConstructor(arg1, arg2, arg3) { |
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432 | 435 |
433 "getFloat32", DataViewGetFloat32, | 436 "getFloat32", DataViewGetFloat32, |
434 "setFloat32", DataViewSetFloat32, | 437 "setFloat32", DataViewSetFloat32, |
435 | 438 |
436 "getFloat64", DataViewGetFloat64, | 439 "getFloat64", DataViewGetFloat64, |
437 "setFloat64", DataViewSetFloat64 | 440 "setFloat64", DataViewSetFloat64 |
438 )); | 441 )); |
439 } | 442 } |
440 | 443 |
441 SetupDataView(); | 444 SetupDataView(); |
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