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/*
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
*
* 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 PropertyNameArray_h
#define PropertyNameArray_h
#include "CallFrame.h"
#include "Identifier.h"
#include <wtf/HashSet.h>
#include <wtf/OwnArrayPtr.h>
#include <wtf/Vector.h>
namespace JSC {
class Structure;
class StructureChain;
// FIXME: Rename to PropertyNameArray.
class PropertyNameArrayData : public RefCounted<PropertyNameArrayData> {
public:
typedef Vector<Identifier, 20> PropertyNameVector;
static PassRefPtr<PropertyNameArrayData> create() { return adoptRef(new PropertyNameArrayData); }
PropertyNameVector& propertyNameVector() { return m_propertyNameVector; }
private:
PropertyNameArrayData()
{
}
PropertyNameVector m_propertyNameVector;
};
// FIXME: Rename to PropertyNameArrayBuilder.
class PropertyNameArray {
public:
PropertyNameArray(JSGlobalData* globalData)
: m_data(PropertyNameArrayData::create())
, m_globalData(globalData)
, m_shouldCache(true)
{
}
PropertyNameArray(ExecState* exec)
: m_data(PropertyNameArrayData::create())
, m_globalData(&exec->globalData())
, m_shouldCache(true)
{
}
JSGlobalData* globalData() { return m_globalData; }
void add(const Identifier& identifier) { add(identifier.ustring().rep()); }
void add(UString::Rep*);
void addKnownUnique(UString::Rep* identifier) { m_data->propertyNameVector().append(Identifier(m_globalData, identifier)); }
Identifier& operator[](unsigned i) { return m_data->propertyNameVector()[i]; }
const Identifier& operator[](unsigned i) const { return m_data->propertyNameVector()[i]; }
void setData(PassRefPtr<PropertyNameArrayData> data) { m_data = data; }
PropertyNameArrayData* data() { return m_data.get(); }
PassRefPtr<PropertyNameArrayData> releaseData() { return m_data.release(); }
// FIXME: Remove these functions.
typedef PropertyNameArrayData::PropertyNameVector::const_iterator const_iterator;
size_t size() const { return m_data->propertyNameVector().size(); }
const_iterator begin() const { return m_data->propertyNameVector().begin(); }
const_iterator end() const { return m_data->propertyNameVector().end(); }
private:
typedef HashSet<UString::Rep*, PtrHash<UString::Rep*> > IdentifierSet;
RefPtr<PropertyNameArrayData> m_data;
IdentifierSet m_set;
JSGlobalData* m_globalData;
bool m_shouldCache;
};
} // namespace JSC
#endif // PropertyNameArray_h
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