1/*
2 * Copyright (C) 2003, 2007 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#include "CommonIdentifiers.h"
22
23#include <config-kjs.h>
24#include "JSLock.h"
25
26namespace KJS {
27
28const char* const nullCString = 0;
29
30#define INITIALIZE_PROPERTY_NAME(name) , name ( #name )
31
32CommonIdentifiers::CommonIdentifiers()
33 : nullIdentifier(nullCString)
34 , underscoreProto("__proto__")
35 KJS_COMMON_IDENTIFIERS_EACH_PROPERTY_NAME(INITIALIZE_PROPERTY_NAME)
36{
37}
38
39CommonIdentifiers* CommonIdentifiers::shared()
40{
41 static CommonIdentifiers* sharedInstance;
42 if (!sharedInstance) {
43 JSLock lock;
44 sharedInstance = new CommonIdentifiers;
45 }
46 return sharedInstance;
47}
48
49} // namespace KJS
50