1/*
2 * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 * Copyright (C) 2004-2011, 2013, 2016 Apple Inc. All rights reserved.
4 * Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
5 * Copyright (C) 2013 Michael Pruett <michael@68k.org>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include "JSDOMWrapperCache.h"
24
25#include <JavaScriptCore/JSCInlines.h>
26
27namespace WebCore {
28using namespace JSC;
29
30Structure* getCachedDOMStructure(JSDOMGlobalObject& globalObject, const ClassInfo* classInfo)
31{
32 JSDOMStructureMap& structures = globalObject.structures(NoLockingNecessary);
33 return structures.get(classInfo).get();
34}
35
36Structure* cacheDOMStructure(JSDOMGlobalObject& globalObject, Structure* structure, const ClassInfo* classInfo)
37{
38 auto locker = lockDuringMarking(globalObject.vm().heap, globalObject.gcLock());
39 JSDOMStructureMap& structures = globalObject.structures(locker);
40 ASSERT(!structures.contains(classInfo));
41 return structures.set(classInfo, WriteBarrier<Structure>(globalObject.vm(), &globalObject, structure)).iterator->value.get();
42}
43
44} // namespace WebCore
45