1/*
2 * Copyright (C) 2003,2007 Apple Computer, Inc
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#ifndef KJS_COMMON_IDENTIFIERS_H
22#define KJS_COMMON_IDENTIFIERS_H
23
24#include "identifier.h"
25#include <wtf/Noncopyable.h>
26
27// List of property names, passed to a macro so we can do set them up various
28// ways without repeating the list.
29#define KJS_COMMON_IDENTIFIERS_EACH_PROPERTY_NAME(macro) \
30 macro(arguments) \
31 macro(callee) \
32 macro(caller) \
33 macro(constructor) \
34 macro(fromCharCode) \
35 macro(global) \
36 macro(ignoreCase) \
37 macro(index) \
38 macro(input) \
39 macro(lastIndex) \
40 macro(length) \
41 macro(message) \
42 macro(multiline) \
43 macro(name) \
44 macro(prototype) \
45 macro(source) \
46 macro(toExponential) \
47 macro(toFixed) \
48 macro(toLocaleString) \
49 macro(toPrecision) \
50 macro(toString) \
51 macro(valueOf) \
52 macro(toJSON) \
53 macro(configurable) \
54 macro(value) \
55 macro(writable) \
56 macro(enumerable) \
57 macro(get) \
58 macro(set) \
59 macro(toISOString)
60
61namespace KJS {
62
63 class KJS_EXPORT CommonIdentifiers : Noncopyable {
64
65 private:
66 CommonIdentifiers();
67
68 public:
69 static CommonIdentifiers* shared();
70
71 const Identifier nullIdentifier;
72 const Identifier underscoreProto;
73
74#define KJS_IDENTIFIER_DECLARE_PROPERTY_NAME_GLOBAL(name) const Identifier name;
75 KJS_COMMON_IDENTIFIERS_EACH_PROPERTY_NAME(KJS_IDENTIFIER_DECLARE_PROPERTY_NAME_GLOBAL)
76#undef KJS_IDENTIFIER_DECLARE_PROPERTY_NAME_GLOBAL
77 };
78} // namespace KJS
79
80// ### better place in identifier.h. only here because of the shared null
81namespace WTF {
82 // Provide hashing of Identifiers --- using the rep ptr
83 struct IdentHash {
84 static unsigned hash(const KJS::Identifier& key) {
85 return PtrHash<KJS::UString::Rep*>::hash(key.ustring().rep());
86 }
87 static bool equal(const KJS::Identifier& a, const KJS::Identifier& b) { return a == b; }
88 static const bool safeToCompareToEmptyOrDeleted = false;
89 };
90
91 template<> struct DefaultHash<KJS::Identifier> { typedef IdentHash Hash; };
92
93 template<> struct HashTraits<KJS::Identifier> : GenericHashTraits<KJS::Identifier> {
94 static const bool emptyValueIsZero = false;
95 static const bool needsDestruction = true;
96 static void constructDeletedValue(KJS::Identifier* slot) { new (slot) KJS::Identifier(); }
97 static bool isDeletedValue(const KJS::Identifier& value) { return value.isNull(); }
98 };
99
100} // namespace WTF
101
102#endif // KJS_COMMON_IDENTIFIERS_H
103
104