Version 3.19.0
Deprecated Context::New which returns Persistent.
Added Persistent<T>::Reset which disposes the handle and redirects it to point to another object.
Deprecated WriteAscii and MayContainNonAscii.
Exposed AssertNoAllocation to API.
Performance and stability improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@14603 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/arraybuffer.js b/src/arraybuffer.js
new file mode 100644
index 0000000..2b0c3dd
--- /dev/null
+++ b/src/arraybuffer.js
@@ -0,0 +1,100 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"use strict";
+
+var $ArrayBuffer = global.ArrayBuffer;
+
+// -------------------------------------------------------------------
+
+function ArrayBufferConstructor(byteLength) { // length = 1
+ if (%_IsConstructCall()) {
+ var l = TO_POSITIVE_INTEGER(byteLength);
+ %ArrayBufferInitialize(this, l);
+ } else {
+ return new $ArrayBuffer(byteLength);
+ }
+}
+
+function ArrayBufferGetByteLength() {
+ if (!IS_ARRAYBUFFER(this)) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ['ArrayBuffer.prototype.byteLength', this]);
+ }
+ return %ArrayBufferGetByteLength(this);
+}
+
+// ES6 Draft 15.13.5.5.3
+function ArrayBufferSlice(start, end) {
+ if (!IS_ARRAYBUFFER(this)) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ['ArrayBuffer.prototype.slice', this]);
+ }
+
+ var relativeStart = TO_INTEGER(start);
+ var first;
+ if (relativeStart < 0) {
+ first = MathMax(this.byteLength + relativeStart, 0);
+ } else {
+ first = MathMin(relativeStart, this.byteLength);
+ }
+ var relativeEnd = IS_UNDEFINED(end) ? this.byteLength : TO_INTEGER(end);
+ var fin;
+ if (relativeEnd < 0) {
+ fin = MathMax(this.byteLength + relativeEnd, 0);
+ } else {
+ fin = MathMin(relativeEnd, this.byteLength);
+ }
+
+ var newLen = fin - first;
+ // TODO(dslomov): implement inheritance
+ var result = new $ArrayBuffer(newLen);
+
+ %ArrayBufferSliceImpl(this, result, first);
+ return result;
+}
+
+function SetUpArrayBuffer() {
+ %CheckIsBootstrapping();
+
+ // Set up the ArrayBuffer constructor function.
+ %SetCode($ArrayBuffer, ArrayBufferConstructor);
+ %FunctionSetPrototype($ArrayBuffer, new $Object());
+
+ // Set up the constructor property on the ArrayBuffer prototype object.
+ %SetProperty($ArrayBuffer.prototype, "constructor", $ArrayBuffer, DONT_ENUM);
+
+ InstallGetter($ArrayBuffer.prototype, "byteLength", ArrayBufferGetByteLength);
+
+ InstallFunctions($ArrayBuffer.prototype, DONT_ENUM, $Array(
+ "slice", ArrayBufferSlice
+ ));
+}
+
+SetUpArrayBuffer();
+
+