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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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| 80 throw MakeRangeError("invalid_typed_array_alignment", | 80 throw MakeRangeError("invalid_typed_array_alignment", |
| 81 ["byte length", "NAME", ELEMENT_SIZE]); | 81 ["byte length", "NAME", ELEMENT_SIZE]); |
| 82 } | 82 } |
| 83 newByteLength = bufferByteLength - offset; | 83 newByteLength = bufferByteLength - offset; |
| 84 newLength = newByteLength / ELEMENT_SIZE; | 84 newLength = newByteLength / ELEMENT_SIZE; |
| 85 } else { | 85 } else { |
| 86 var newLength = length; | 86 var newLength = length; |
| 87 newByteLength = newLength * ELEMENT_SIZE; | 87 newByteLength = newLength * ELEMENT_SIZE; |
| 88 } | 88 } |
| 89 if ((offset + newByteLength > bufferByteLength) | 89 if ((offset + newByteLength > bufferByteLength) |
| 90 || (newLength > %MaxSmi())) { | 90 || (newLength > %_MaxSmi())) { |
| 91 throw MakeRangeError("invalid_typed_array_length"); | 91 throw MakeRangeError("invalid_typed_array_length"); |
| 92 } | 92 } |
| 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 var buffer = new $ArrayBuffer(byteLength); | 103 var buffer = new $ArrayBuffer(byteLength); |
| 104 %TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength); | 104 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength); |
| 105 } | 105 } |
| 106 | 106 |
| 107 function NAMEConstructByArrayLike(obj, arrayLike) { | 107 function NAMEConstructByArrayLike(obj, arrayLike) { |
| 108 var length = arrayLike.length; | 108 var length = arrayLike.length; |
| 109 var l = ToPositiveInteger(length, "invalid_typed_array_length"); | 109 var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
| 110 | 110 |
| 111 if (l > %MaxSmi()) { | 111 if (l > %_MaxSmi()) { |
| 112 throw MakeRangeError("invalid_typed_array_length"); | 112 throw MakeRangeError("invalid_typed_array_length"); |
| 113 } | 113 } |
| 114 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { | 114 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { |
| 115 for (var i = 0; i < l; i++) { | 115 for (var i = 0; i < l; i++) { |
| 116 // It is crucial that we let any execptions from arrayLike[i] | 116 // It is crucial that we let any execptions from arrayLike[i] |
| 117 // propagate outside the function. | 117 // propagate outside the function. |
| 118 obj[i] = arrayLike[i]; | 118 obj[i] = arrayLike[i]; |
| 119 } | 119 } |
| 120 } | 120 } |
| 121 } | 121 } |
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| 343 if (offset > bufferByteLength) { | 343 if (offset > bufferByteLength) { |
| 344 throw MakeRangeError('invalid_data_view_offset'); | 344 throw MakeRangeError('invalid_data_view_offset'); |
| 345 } | 345 } |
| 346 | 346 |
| 347 var length = IS_UNDEFINED(byteLength) | 347 var length = IS_UNDEFINED(byteLength) |
| 348 ? bufferByteLength - offset | 348 ? bufferByteLength - offset |
| 349 : byteLength; | 349 : byteLength; |
| 350 if (length < 0 || offset + length > bufferByteLength) { | 350 if (length < 0 || offset + length > bufferByteLength) { |
| 351 throw new MakeRangeError('invalid_data_view_length'); | 351 throw new MakeRangeError('invalid_data_view_length'); |
| 352 } | 352 } |
| 353 %DataViewInitialize(this, buffer, offset, length); | 353 %_DataViewInitialize(this, buffer, offset, length); |
| 354 } else { | 354 } else { |
| 355 throw MakeTypeError('constructor_not_function', ["DataView"]); | 355 throw MakeTypeError('constructor_not_function', ["DataView"]); |
| 356 } | 356 } |
| 357 } | 357 } |
| 358 | 358 |
| 359 function DataViewGetBuffer() { | 359 function DataViewGetBuffer() { |
| 360 if (!IS_DATAVIEW(this)) { | 360 if (!IS_DATAVIEW(this)) { |
| 361 throw MakeTypeError('incompatible_method_receiver', | 361 throw MakeTypeError('incompatible_method_receiver', |
| 362 ['DataView.buffer', this]); | 362 ['DataView.buffer', this]); |
| 363 } | 363 } |
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| 462 | 462 |
| 463 "getFloat32", DataViewGetFloat32, | 463 "getFloat32", DataViewGetFloat32, |
| 464 "setFloat32", DataViewSetFloat32, | 464 "setFloat32", DataViewSetFloat32, |
| 465 | 465 |
| 466 "getFloat64", DataViewGetFloat64, | 466 "getFloat64", DataViewGetFloat64, |
| 467 "setFloat64", DataViewSetFloat64 | 467 "setFloat64", DataViewSetFloat64 |
| 468 )); | 468 )); |
| 469 } | 469 } |
| 470 | 470 |
| 471 SetupDataView(); | 471 SetupDataView(); |
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