1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2004-2011, 2013, 2016 Apple Inc. All rights reserved.
* Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
* Copyright (C) 2013 Michael Pruett <michael@68k.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "root.h"
#include "JSDOMWrapperCache.h"
namespace WebCore {
using namespace JSC;
Structure* getCachedDOMStructure(const JSDOMGlobalObject& globalObject, const ClassInfo* classInfo)
{
return globalObject.structures().get(classInfo).get();
}
Structure* cacheDOMStructure(JSDOMGlobalObject& globalObject, Structure* structure, const ClassInfo* classInfo)
{
auto addToStructures = [](JSDOMStructureMap& structures, JSDOMGlobalObject& globalObject, Structure* structure, const ClassInfo* classInfo) {
ASSERT(!structures.contains(classInfo));
return structures.set(classInfo, WriteBarrier<Structure>(globalObject.vm(), &globalObject, structure)).iterator->value.get();
};
if (globalObject.vm().heap.mutatorShouldBeFenced()) {
Locker locker { globalObject.gcLock() };
return addToStructures(globalObject.structures(), globalObject, structure, classInfo);
}
return addToStructures(globalObject.structures(NoLockingNecessary), globalObject, structure, classInfo);
}
} // namespace WebCore
|
