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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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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 var byteLength = l * elementSize; | 72 var byteLength = l * elementSize; |
73 var buffer = new global.ArrayBuffer(byteLength); | 73 var buffer = new global.ArrayBuffer(byteLength); |
74 %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength); | 74 %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength); |
75 } | 75 } |
76 | 76 |
77 function ConstructByArrayLike(obj, arrayLike) { | 77 function ConstructByArrayLike(obj, arrayLike) { |
78 var length = arrayLike.length; | 78 var length = arrayLike.length; |
79 var l = ToPositiveInteger(length, "invalid_typed_array_length"); | 79 var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
80 if(!%TypedArrayInitializeFromArrayLike(obj, arrayId, arrayLike, l)) { | 80 var byteLength = l * elementSize; |
81 for (var i = 0; i < l; i++) { | 81 var buffer = new $ArrayBuffer(byteLength); |
82 obj[i] = arrayLike[i]; | 82 %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength); |
83 } | 83 for (var i = 0; i < l; i++) { |
| 84 obj[i] = arrayLike[i]; |
84 } | 85 } |
85 } | 86 } |
86 | 87 |
87 return function (arg1, arg2, arg3) { | 88 return function (arg1, arg2, arg3) { |
88 if (%_IsConstructCall()) { | 89 if (%_IsConstructCall()) { |
89 if (IS_ARRAYBUFFER(arg1)) { | 90 if (IS_ARRAYBUFFER(arg1)) { |
90 ConstructByArrayBuffer(this, arg1, arg2, arg3); | 91 ConstructByArrayBuffer(this, arg1, arg2, arg3); |
91 } else if (IS_NUMBER(arg1) || IS_STRING(arg1) || | 92 } else if (IS_NUMBER(arg1) || IS_STRING(arg1) || |
92 IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) { | 93 IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) { |
93 ConstructByLength(this, arg1); | 94 ConstructByLength(this, arg1); |
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586 | 587 |
587 "getFloat32", DataViewGetFloat32, | 588 "getFloat32", DataViewGetFloat32, |
588 "setFloat32", DataViewSetFloat32, | 589 "setFloat32", DataViewSetFloat32, |
589 | 590 |
590 "getFloat64", DataViewGetFloat64, | 591 "getFloat64", DataViewGetFloat64, |
591 "setFloat64", DataViewSetFloat64 | 592 "setFloat64", DataViewSetFloat64 |
592 )); | 593 )); |
593 } | 594 } |
594 | 595 |
595 SetupDataView(); | 596 SetupDataView(); |
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