mirror of
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103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/*
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* Copyright (C) 2003,2007 Apple Computer, Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef KJS_COMMON_IDENTIFIERS_H
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#define KJS_COMMON_IDENTIFIERS_H
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#include "identifier.h"
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#include <wtf/Noncopyable.h>
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// List of property names, passed to a macro so we can do set them up various
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// ways without repeating the list.
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#define KJS_COMMON_IDENTIFIERS_EACH_PROPERTY_NAME(macro) \
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macro(arguments) \
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macro(callee) \
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macro(caller) \
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macro(constructor) \
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macro(fromCharCode) \
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macro(global) \
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macro(ignoreCase) \
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macro(index) \
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macro(input) \
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macro(lastIndex) \
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macro(length) \
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macro(message) \
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macro(multiline) \
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macro(name) \
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macro(prototype) \
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macro(source) \
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macro(toExponential) \
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macro(toFixed) \
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macro(toLocaleString) \
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macro(toPrecision) \
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macro(toString) \
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macro(valueOf) \
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macro(toJSON) \
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macro(configurable) \
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macro(value) \
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macro(writable) \
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macro(enumerable) \
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macro(get) \
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macro(set) \
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macro(toISOString)
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namespace KJS {
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class KJS_EXPORT CommonIdentifiers : Noncopyable {
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private:
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CommonIdentifiers();
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public:
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static CommonIdentifiers* shared();
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const Identifier nullIdentifier;
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const Identifier underscoreProto;
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#define KJS_IDENTIFIER_DECLARE_PROPERTY_NAME_GLOBAL(name) const Identifier name;
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KJS_COMMON_IDENTIFIERS_EACH_PROPERTY_NAME(KJS_IDENTIFIER_DECLARE_PROPERTY_NAME_GLOBAL)
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#undef KJS_IDENTIFIER_DECLARE_PROPERTY_NAME_GLOBAL
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};
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} // namespace KJS
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// ### better place in identifier.h. only here because of the shared null
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namespace WTF {
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// Provide hashing of Identifiers --- using the rep ptr
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struct IdentHash {
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static unsigned hash(const KJS::Identifier& key) {
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return PtrHash<KJS::UString::Rep*>::hash(key.ustring().rep());
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}
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static bool equal(const KJS::Identifier& a, const KJS::Identifier& b) { return a == b; }
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static const bool safeToCompareToEmptyOrDeleted = false;
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};
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template<> struct DefaultHash<KJS::Identifier> { typedef IdentHash Hash; };
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template<> struct HashTraits<KJS::Identifier> : GenericHashTraits<KJS::Identifier> {
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static const bool emptyValueIsZero = false;
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static const bool needsDestruction = true;
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static void constructDeletedValue(KJS::Identifier* slot) { new (slot) KJS::Identifier(); }
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static bool isDeletedValue(const KJS::Identifier& value) { return value.isNull(); }
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};
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} // namespace WTF
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#endif // KJS_COMMON_IDENTIFIERS_H
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