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main_repo / deps / v8 / src / typedarray.js @ f230a1cf
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"use strict";
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// This file relies on the fact that the following declaration has been made
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// in runtime.js:
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// var $Array = global.Array;
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var $ArrayBuffer = global.ArrayBuffer; |
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// --------------- Typed Arrays ---------------------
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function CreateTypedArrayConstructor(name, elementSize, arrayId, constructor) { |
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function ConstructByArrayBuffer(obj, buffer, byteOffset, length) { |
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var offset = ToPositiveInteger(byteOffset, "invalid_typed_array_length") |
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|
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if (offset % elementSize !== 0) { |
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throw MakeRangeError("invalid_typed_array_alignment", |
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"start offset", name, elementSize);
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} |
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var bufferByteLength = %ArrayBufferGetByteLength(buffer);
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if (offset > bufferByteLength) {
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throw MakeRangeError("invalid_typed_array_offset"); |
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} |
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var newByteLength;
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var newLength;
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if (IS_UNDEFINED(length)) {
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if (bufferByteLength % elementSize !== 0) { |
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throw MakeRangeError("invalid_typed_array_alignment", |
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"byte length", name, elementSize);
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} |
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newByteLength = bufferByteLength - offset; |
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newLength = newByteLength / elementSize; |
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} else {
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var newLength = ToPositiveInteger(length, "invalid_typed_array_length"); |
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newByteLength = newLength * elementSize; |
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} |
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if (offset + newByteLength > bufferByteLength) {
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throw MakeRangeError("invalid_typed_array_length"); |
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} |
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%TypedArrayInitialize(obj, arrayId, buffer, offset, newByteLength); |
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} |
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function ConstructByLength(obj, length) { |
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var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
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var byteLength = l * elementSize;
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var buffer = new $ArrayBuffer(byteLength); |
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%TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength);
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} |
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function ConstructByArrayLike(obj, arrayLike) { |
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var length = arrayLike.length;
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var l = ToPositiveInteger(length, "invalid_typed_array_length"); |
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if(!%TypedArrayInitializeFromArrayLike(obj, arrayId, arrayLike, l)) {
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for (var i = 0; i < l; i++) { |
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// It is crucial that we let any execptions from arrayLike[i]
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// propagate outside the function.
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obj[i] = arrayLike[i]; |
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} |
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} |
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} |
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return function (arg1, arg2, arg3) { |
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if (%_IsConstructCall()) {
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if (IS_ARRAYBUFFER(arg1)) {
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ConstructByArrayBuffer(this, arg1, arg2, arg3);
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} else if (IS_NUMBER(arg1) || IS_STRING(arg1) || |
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IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) {
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ConstructByLength(this, arg1);
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} else {
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ConstructByArrayLike(this, arg1);
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} |
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} else {
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throw MakeTypeError("constructor_not_function", [name]) |
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} |
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} |
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} |
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function TypedArrayGetBuffer() { |
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return %TypedArrayGetBuffer(this); |
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} |
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function TypedArrayGetByteLength() { |
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return %TypedArrayGetByteLength(this); |
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} |
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function TypedArrayGetByteOffset() { |
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return %TypedArrayGetByteOffset(this); |
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} |
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function TypedArrayGetLength() { |
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return %TypedArrayGetLength(this); |
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} |
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function CreateSubArray(elementSize, constructor) { |
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return function(begin, end) { |
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var srcLength = %TypedArrayGetLength(this); |
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var beginInt = TO_INTEGER(begin);
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if (beginInt < 0) { |
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beginInt = MathMax(0, srcLength + beginInt);
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} else {
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beginInt = MathMin(srcLength, beginInt); |
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} |
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var endInt = IS_UNDEFINED(end) ? srcLength : TO_INTEGER(end);
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if (endInt < 0) { |
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endInt = MathMax(0, srcLength + endInt);
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} else {
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endInt = MathMin(endInt, srcLength); |
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} |
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if (endInt < beginInt) {
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endInt = beginInt; |
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} |
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var newLength = endInt - beginInt;
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var beginByteOffset =
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%TypedArrayGetByteOffset(this) + beginInt * elementSize;
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return new constructor(%TypedArrayGetBuffer(this), |
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beginByteOffset, newLength); |
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} |
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} |
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function TypedArraySetFromArrayLike(target, source, sourceLength, offset) { |
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if (offset > 0) { |
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for (var i = 0; i < sourceLength; i++) { |
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target[offset + i] = source[i]; |
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} |
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} |
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else {
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for (var i = 0; i < sourceLength; i++) { |
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target[i] = source[i]; |
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} |
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} |
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} |
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function TypedArraySetFromOverlappingTypedArray(target, source, offset) { |
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var sourceElementSize = source.BYTES_PER_ELEMENT;
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var targetElementSize = target.BYTES_PER_ELEMENT;
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var sourceLength = source.length;
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// Copy left part.
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function CopyLeftPart() { |
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// First un-mutated byte after the next write
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var targetPtr = target.byteOffset + (offset + 1) * targetElementSize; |
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// Next read at sourcePtr. We do not care for memory changing before
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// sourcePtr - we have already copied it.
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var sourcePtr = source.byteOffset;
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for (var leftIndex = 0; |
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leftIndex < sourceLength && targetPtr <= sourcePtr; |
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leftIndex++) {
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target[offset + leftIndex] = source[leftIndex]; |
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targetPtr += targetElementSize; |
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sourcePtr += sourceElementSize; |
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} |
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return leftIndex;
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} |
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var leftIndex = CopyLeftPart();
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// Copy rigth part;
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function CopyRightPart() { |
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// First unmutated byte before the next write
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var targetPtr =
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target.byteOffset + (offset + sourceLength - 1) * targetElementSize;
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// Next read before sourcePtr. We do not care for memory changing after
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// sourcePtr - we have already copied it.
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var sourcePtr =
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source.byteOffset + sourceLength * sourceElementSize; |
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for(var rightIndex = sourceLength - 1; |
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rightIndex >= leftIndex && targetPtr >= sourcePtr; |
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rightIndex--) {
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target[offset + rightIndex] = source[rightIndex]; |
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targetPtr -= targetElementSize; |
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sourcePtr -= sourceElementSize; |
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} |
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return rightIndex;
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} |
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var rightIndex = CopyRightPart();
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var temp = new $Array(rightIndex + 1 - leftIndex); |
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for (var i = leftIndex; i <= rightIndex; i++) { |
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temp[i - leftIndex] = source[i]; |
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} |
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for (i = leftIndex; i <= rightIndex; i++) {
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target[offset + i] = temp[i - leftIndex]; |
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} |
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} |
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function TypedArraySet(obj, offset) { |
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var intOffset = IS_UNDEFINED(offset) ? 0 : TO_INTEGER(offset); |
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if (intOffset < 0) { |
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throw MakeTypeError("typed_array_set_negative_offset"); |
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} |
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switch (%TypedArraySetFastCases(this, obj, intOffset)) { |
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// These numbers should be synchronized with runtime.cc.
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case 0: // TYPED_ARRAY_SET_TYPED_ARRAY_SAME_TYPE |
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return;
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case 1: // TYPED_ARRAY_SET_TYPED_ARRAY_OVERLAPPING |
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TypedArraySetFromOverlappingTypedArray(this, obj, intOffset);
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return;
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case 2: // TYPED_ARRAY_SET_TYPED_ARRAY_NONOVERLAPPING |
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TypedArraySetFromArrayLike(this, obj, obj.length, intOffset);
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return;
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case 3: // TYPED_ARRAY_SET_NON_TYPED_ARRAY |
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var l = obj.length;
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if (IS_UNDEFINED(l)) {
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if (IS_NUMBER(obj)) {
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// For number as a first argument, throw TypeError
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// instead of silently ignoring the call, so that
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// the user knows (s)he did something wrong.
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// (Consistent with Firefox and Blink/WebKit)
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throw MakeTypeError("invalid_argument"); |
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} |
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return;
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} |
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if (intOffset + l > this.length) { |
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throw MakeRangeError("typed_array_set_source_too_large"); |
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} |
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TypedArraySetFromArrayLike(this, obj, l, intOffset);
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return;
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} |
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} |
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// -------------------------------------------------------------------
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function SetupTypedArray(arrayId, name, constructor, elementSize) { |
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%CheckIsBootstrapping(); |
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var fun = CreateTypedArrayConstructor(name, elementSize,
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arrayId, constructor); |
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%SetCode(constructor, fun); |
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%FunctionSetPrototype(constructor, new $Object()); |
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%SetProperty(constructor, "BYTES_PER_ELEMENT", elementSize,
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READ_ONLY | DONT_ENUM | DONT_DELETE); |
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%SetProperty(constructor.prototype, |
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"constructor", constructor, DONT_ENUM);
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%SetProperty(constructor.prototype, |
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"BYTES_PER_ELEMENT", elementSize,
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READ_ONLY | DONT_ENUM | DONT_DELETE); |
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InstallGetter(constructor.prototype, "buffer", TypedArrayGetBuffer);
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InstallGetter(constructor.prototype, "byteOffset", TypedArrayGetByteOffset);
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InstallGetter(constructor.prototype, "byteLength", TypedArrayGetByteLength);
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InstallGetter(constructor.prototype, "length", TypedArrayGetLength);
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InstallFunctions(constructor.prototype, DONT_ENUM, $Array(
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"subarray", CreateSubArray(elementSize, constructor),
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"set", TypedArraySet
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)); |
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} |
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// arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
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SetupTypedArray(1, "Uint8Array", global.Uint8Array, 1); |
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SetupTypedArray(2, "Int8Array", global.Int8Array, 1); |
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SetupTypedArray(3, "Uint16Array", global.Uint16Array, 2); |
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SetupTypedArray(4, "Int16Array", global.Int16Array, 2); |
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SetupTypedArray(5, "Uint32Array", global.Uint32Array, 4); |
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SetupTypedArray(6, "Int32Array", global.Int32Array, 4); |
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SetupTypedArray(7, "Float32Array", global.Float32Array, 4); |
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SetupTypedArray(8, "Float64Array", global.Float64Array, 8); |
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SetupTypedArray(9, "Uint8ClampedArray", global.Uint8ClampedArray, 1); |
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// --------------------------- DataView -----------------------------
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var $DataView = global.DataView; |
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function DataViewConstructor(buffer, byteOffset, byteLength) { // length = 3 |
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if (%_IsConstructCall()) {
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if (!IS_ARRAYBUFFER(buffer)) {
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throw MakeTypeError('data_view_not_array_buffer', []); |
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} |
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var bufferByteLength = %ArrayBufferGetByteLength(buffer);
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var offset = ToPositiveInteger(byteOffset, 'invalid_data_view_offset'); |
| 298 |
if (offset > bufferByteLength) {
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throw MakeRangeError('invalid_data_view_offset'); |
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} |
| 301 |
var length = IS_UNDEFINED(byteLength) ?
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bufferByteLength - offset : TO_INTEGER(byteLength); |
| 303 |
if (length < 0 || offset + length > bufferByteLength) { |
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throw new MakeRangeError('invalid_data_view_length'); |
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} |
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%DataViewInitialize(this, buffer, offset, length);
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} else {
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throw MakeTypeError('constructor_not_function', ["DataView"]); |
| 309 |
} |
| 310 |
} |
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|
| 312 |
function DataViewGetBuffer() { |
| 313 |
if (!IS_DATAVIEW(this)) { |
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throw MakeTypeError('incompatible_method_receiver', |
| 315 |
['DataView.buffer', this]); |
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} |
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return %DataViewGetBuffer(this); |
| 318 |
} |
| 319 |
|
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function DataViewGetByteOffset() { |
| 321 |
if (!IS_DATAVIEW(this)) { |
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throw MakeTypeError('incompatible_method_receiver', |
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['DataView.byteOffset', this]); |
| 324 |
} |
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return %DataViewGetByteOffset(this); |
| 326 |
} |
| 327 |
|
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function DataViewGetByteLength() { |
| 329 |
if (!IS_DATAVIEW(this)) { |
| 330 |
throw MakeTypeError('incompatible_method_receiver', |
| 331 |
['DataView.byteLength', this]); |
| 332 |
} |
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return %DataViewGetByteLength(this); |
| 334 |
} |
| 335 |
|
| 336 |
function ToPositiveDataViewOffset(offset) { |
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return ToPositiveInteger(offset, 'invalid_data_view_accessor_offset'); |
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} |
| 339 |
|
| 340 |
function DataViewGetInt8(offset, little_endian) { |
| 341 |
if (!IS_DATAVIEW(this)) { |
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throw MakeTypeError('incompatible_method_receiver', |
| 343 |
['DataView.getInt8', this]); |
| 344 |
} |
| 345 |
if (%_ArgumentsLength() < 1) { |
| 346 |
throw MakeTypeError('invalid_argument'); |
| 347 |
} |
| 348 |
return %DataViewGetInt8(this, |
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ToPositiveDataViewOffset(offset), |
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!!little_endian); |
| 351 |
} |
| 352 |
|
| 353 |
function DataViewSetInt8(offset, value, little_endian) { |
| 354 |
if (!IS_DATAVIEW(this)) { |
| 355 |
throw MakeTypeError('incompatible_method_receiver', |
| 356 |
['DataView.setInt8', this]); |
| 357 |
} |
| 358 |
if (%_ArgumentsLength() < 2) { |
| 359 |
throw MakeTypeError('invalid_argument'); |
| 360 |
} |
| 361 |
%DataViewSetInt8(this,
|
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ToPositiveDataViewOffset(offset), |
| 363 |
TO_NUMBER_INLINE(value), |
| 364 |
!!little_endian); |
| 365 |
} |
| 366 |
|
| 367 |
function DataViewGetUint8(offset, little_endian) { |
| 368 |
if (!IS_DATAVIEW(this)) { |
| 369 |
throw MakeTypeError('incompatible_method_receiver', |
| 370 |
['DataView.getUint8', this]); |
| 371 |
} |
| 372 |
if (%_ArgumentsLength() < 1) { |
| 373 |
throw MakeTypeError('invalid_argument'); |
| 374 |
} |
| 375 |
return %DataViewGetUint8(this, |
| 376 |
ToPositiveDataViewOffset(offset), |
| 377 |
!!little_endian); |
| 378 |
} |
| 379 |
|
| 380 |
function DataViewSetUint8(offset, value, little_endian) { |
| 381 |
if (!IS_DATAVIEW(this)) { |
| 382 |
throw MakeTypeError('incompatible_method_receiver', |
| 383 |
['DataView.setUint8', this]); |
| 384 |
} |
| 385 |
if (%_ArgumentsLength() < 2) { |
| 386 |
throw MakeTypeError('invalid_argument'); |
| 387 |
} |
| 388 |
%DataViewSetUint8(this,
|
| 389 |
ToPositiveDataViewOffset(offset), |
| 390 |
TO_NUMBER_INLINE(value), |
| 391 |
!!little_endian); |
| 392 |
} |
| 393 |
|
| 394 |
function DataViewGetInt16(offset, little_endian) { |
| 395 |
if (!IS_DATAVIEW(this)) { |
| 396 |
throw MakeTypeError('incompatible_method_receiver', |
| 397 |
['DataView.getInt16', this]); |
| 398 |
} |
| 399 |
if (%_ArgumentsLength() < 1) { |
| 400 |
throw MakeTypeError('invalid_argument'); |
| 401 |
} |
| 402 |
return %DataViewGetInt16(this, |
| 403 |
ToPositiveDataViewOffset(offset), |
| 404 |
!!little_endian); |
| 405 |
} |
| 406 |
|
| 407 |
function DataViewSetInt16(offset, value, little_endian) { |
| 408 |
if (!IS_DATAVIEW(this)) { |
| 409 |
throw MakeTypeError('incompatible_method_receiver', |
| 410 |
['DataView.setInt16', this]); |
| 411 |
} |
| 412 |
if (%_ArgumentsLength() < 2) { |
| 413 |
throw MakeTypeError('invalid_argument'); |
| 414 |
} |
| 415 |
%DataViewSetInt16(this,
|
| 416 |
ToPositiveDataViewOffset(offset), |
| 417 |
TO_NUMBER_INLINE(value), |
| 418 |
!!little_endian); |
| 419 |
} |
| 420 |
|
| 421 |
function DataViewGetUint16(offset, little_endian) { |
| 422 |
if (!IS_DATAVIEW(this)) { |
| 423 |
throw MakeTypeError('incompatible_method_receiver', |
| 424 |
['DataView.getUint16', this]); |
| 425 |
} |
| 426 |
if (%_ArgumentsLength() < 1) { |
| 427 |
throw MakeTypeError('invalid_argument'); |
| 428 |
} |
| 429 |
return %DataViewGetUint16(this, |
| 430 |
ToPositiveDataViewOffset(offset), |
| 431 |
!!little_endian); |
| 432 |
} |
| 433 |
|
| 434 |
function DataViewSetUint16(offset, value, little_endian) { |
| 435 |
if (!IS_DATAVIEW(this)) { |
| 436 |
throw MakeTypeError('incompatible_method_receiver', |
| 437 |
['DataView.setUint16', this]); |
| 438 |
} |
| 439 |
if (%_ArgumentsLength() < 2) { |
| 440 |
throw MakeTypeError('invalid_argument'); |
| 441 |
} |
| 442 |
%DataViewSetUint16(this,
|
| 443 |
ToPositiveDataViewOffset(offset), |
| 444 |
TO_NUMBER_INLINE(value), |
| 445 |
!!little_endian); |
| 446 |
} |
| 447 |
|
| 448 |
function DataViewGetInt32(offset, little_endian) { |
| 449 |
if (!IS_DATAVIEW(this)) { |
| 450 |
throw MakeTypeError('incompatible_method_receiver', |
| 451 |
['DataView.getInt32', this]); |
| 452 |
} |
| 453 |
if (%_ArgumentsLength() < 1) { |
| 454 |
throw MakeTypeError('invalid_argument'); |
| 455 |
} |
| 456 |
return %DataViewGetInt32(this, |
| 457 |
ToPositiveDataViewOffset(offset), |
| 458 |
!!little_endian); |
| 459 |
} |
| 460 |
|
| 461 |
function DataViewSetInt32(offset, value, little_endian) { |
| 462 |
if (!IS_DATAVIEW(this)) { |
| 463 |
throw MakeTypeError('incompatible_method_receiver', |
| 464 |
['DataView.setInt32', this]); |
| 465 |
} |
| 466 |
if (%_ArgumentsLength() < 2) { |
| 467 |
throw MakeTypeError('invalid_argument'); |
| 468 |
} |
| 469 |
%DataViewSetInt32(this,
|
| 470 |
ToPositiveDataViewOffset(offset), |
| 471 |
TO_NUMBER_INLINE(value), |
| 472 |
!!little_endian); |
| 473 |
} |
| 474 |
|
| 475 |
function DataViewGetUint32(offset, little_endian) { |
| 476 |
if (!IS_DATAVIEW(this)) { |
| 477 |
throw MakeTypeError('incompatible_method_receiver', |
| 478 |
['DataView.getUint32', this]); |
| 479 |
} |
| 480 |
if (%_ArgumentsLength() < 1) { |
| 481 |
throw MakeTypeError('invalid_argument'); |
| 482 |
} |
| 483 |
return %DataViewGetUint32(this, |
| 484 |
ToPositiveDataViewOffset(offset), |
| 485 |
!!little_endian); |
| 486 |
} |
| 487 |
|
| 488 |
function DataViewSetUint32(offset, value, little_endian) { |
| 489 |
if (!IS_DATAVIEW(this)) { |
| 490 |
throw MakeTypeError('incompatible_method_receiver', |
| 491 |
['DataView.setUint32', this]); |
| 492 |
} |
| 493 |
if (%_ArgumentsLength() < 2) { |
| 494 |
throw MakeTypeError('invalid_argument'); |
| 495 |
} |
| 496 |
%DataViewSetUint32(this,
|
| 497 |
ToPositiveDataViewOffset(offset), |
| 498 |
TO_NUMBER_INLINE(value), |
| 499 |
!!little_endian); |
| 500 |
} |
| 501 |
|
| 502 |
function DataViewGetFloat32(offset, little_endian) { |
| 503 |
if (!IS_DATAVIEW(this)) { |
| 504 |
throw MakeTypeError('incompatible_method_receiver', |
| 505 |
['DataView.getFloat32', this]); |
| 506 |
} |
| 507 |
if (%_ArgumentsLength() < 1) { |
| 508 |
throw MakeTypeError('invalid_argument'); |
| 509 |
} |
| 510 |
return %DataViewGetFloat32(this, |
| 511 |
ToPositiveDataViewOffset(offset), |
| 512 |
!!little_endian); |
| 513 |
} |
| 514 |
|
| 515 |
function DataViewSetFloat32(offset, value, little_endian) { |
| 516 |
if (!IS_DATAVIEW(this)) { |
| 517 |
throw MakeTypeError('incompatible_method_receiver', |
| 518 |
['DataView.setFloat32', this]); |
| 519 |
} |
| 520 |
if (%_ArgumentsLength() < 2) { |
| 521 |
throw MakeTypeError('invalid_argument'); |
| 522 |
} |
| 523 |
%DataViewSetFloat32(this,
|
| 524 |
ToPositiveDataViewOffset(offset), |
| 525 |
TO_NUMBER_INLINE(value), |
| 526 |
!!little_endian); |
| 527 |
} |
| 528 |
|
| 529 |
function DataViewGetFloat64(offset, little_endian) { |
| 530 |
if (!IS_DATAVIEW(this)) { |
| 531 |
throw MakeTypeError('incompatible_method_receiver', |
| 532 |
['DataView.getFloat64', this]); |
| 533 |
} |
| 534 |
if (%_ArgumentsLength() < 1) { |
| 535 |
throw MakeTypeError('invalid_argument'); |
| 536 |
} |
| 537 |
return %DataViewGetFloat64(this, |
| 538 |
ToPositiveDataViewOffset(offset), |
| 539 |
!!little_endian); |
| 540 |
} |
| 541 |
|
| 542 |
function DataViewSetFloat64(offset, value, little_endian) { |
| 543 |
if (!IS_DATAVIEW(this)) { |
| 544 |
throw MakeTypeError('incompatible_method_receiver', |
| 545 |
['DataView.setFloat64', this]); |
| 546 |
} |
| 547 |
if (%_ArgumentsLength() < 2) { |
| 548 |
throw MakeTypeError('invalid_argument'); |
| 549 |
} |
| 550 |
%DataViewSetFloat64(this,
|
| 551 |
ToPositiveDataViewOffset(offset), |
| 552 |
TO_NUMBER_INLINE(value), |
| 553 |
!!little_endian); |
| 554 |
} |
| 555 |
|
| 556 |
function SetupDataView() { |
| 557 |
%CheckIsBootstrapping(); |
| 558 |
|
| 559 |
// Setup the DataView constructor.
|
| 560 |
%SetCode($DataView, DataViewConstructor);
|
| 561 |
%FunctionSetPrototype($DataView, new $Object); |
| 562 |
|
| 563 |
// Set up constructor property on the DataView prototype.
|
| 564 |
%SetProperty($DataView.prototype, "constructor", $DataView, DONT_ENUM); |
| 565 |
|
| 566 |
InstallGetter($DataView.prototype, "buffer", DataViewGetBuffer); |
| 567 |
InstallGetter($DataView.prototype, "byteOffset", DataViewGetByteOffset); |
| 568 |
InstallGetter($DataView.prototype, "byteLength", DataViewGetByteLength); |
| 569 |
|
| 570 |
InstallFunctions($DataView.prototype, DONT_ENUM, $Array( |
| 571 |
"getInt8", DataViewGetInt8,
|
| 572 |
"setInt8", DataViewSetInt8,
|
| 573 |
|
| 574 |
"getUint8", DataViewGetUint8,
|
| 575 |
"setUint8", DataViewSetUint8,
|
| 576 |
|
| 577 |
"getInt16", DataViewGetInt16,
|
| 578 |
"setInt16", DataViewSetInt16,
|
| 579 |
|
| 580 |
"getUint16", DataViewGetUint16,
|
| 581 |
"setUint16", DataViewSetUint16,
|
| 582 |
|
| 583 |
"getInt32", DataViewGetInt32,
|
| 584 |
"setInt32", DataViewSetInt32,
|
| 585 |
|
| 586 |
"getUint32", DataViewGetUint32,
|
| 587 |
"setUint32", DataViewSetUint32,
|
| 588 |
|
| 589 |
"getFloat32", DataViewGetFloat32,
|
| 590 |
"setFloat32", DataViewSetFloat32,
|
| 591 |
|
| 592 |
"getFloat64", DataViewGetFloat64,
|
| 593 |
"setFloat64", DataViewSetFloat64
|
| 594 |
)); |
| 595 |
} |
| 596 |
|
| 597 |
SetupDataView(); |