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// 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
]);
})
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