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