// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. (function(global, utils) { "use strict"; %CheckIsBootstrapping(); var GlobalSharedArrayBuffer = global.SharedArrayBuffer; var GlobalObject = global.Object; var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol"); // ------------------------------------------------------------------- function SharedArrayBufferConstructor(length) { // length = 1 if (%_IsConstructCall()) { var byteLength = $toPositiveInteger(length, kInvalidArrayBufferLength); %ArrayBufferInitialize(this, byteLength, kShared); } else { throw MakeTypeError(kConstructorNotFunction, "SharedArrayBuffer"); } } function SharedArrayBufferGetByteLen() { if (!IS_SHAREDARRAYBUFFER(this)) { throw MakeTypeError(kIncompatibleMethodReceiver, 'SharedArrayBuffer.prototype.byteLength', this); } return %_ArrayBufferGetByteLength(this); } function SharedArrayBufferIsViewJS(obj) { return %ArrayBufferIsView(obj); } // Set up the SharedArrayBuffer constructor function. %SetCode(GlobalSharedArrayBuffer, SharedArrayBufferConstructor); %FunctionSetPrototype(GlobalSharedArrayBuffer, new GlobalObject()); // Set up the constructor property on the SharedArrayBuffer prototype object. %AddNamedProperty(GlobalSharedArrayBuffer.prototype, "constructor", GlobalSharedArrayBuffer, DONT_ENUM); %AddNamedProperty(GlobalSharedArrayBuffer.prototype, toStringTagSymbol, "SharedArrayBuffer", DONT_ENUM | READ_ONLY); utils.InstallGetter(GlobalSharedArrayBuffer.prototype, "byteLength", SharedArrayBufferGetByteLen); utils.InstallFunctions(GlobalSharedArrayBuffer, DONT_ENUM, [ "isView", SharedArrayBufferIsViewJS ]); })