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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 "ExecState.h"
#include "StructureID.h"
#include "identifier.h"
#include <wtf/HashSet.h>
#include <wtf/Vector.h>
namespace JSC {
class PropertyNameArrayData : public RefCounted<PropertyNameArrayData> {
public:
typedef Vector<Identifier, 20> PropertyNameVector;
typedef PropertyNameVector::const_iterator const_iterator;
static PassRefPtr<PropertyNameArrayData> create() { return adoptRef(new PropertyNameArrayData); }
const_iterator begin() const { return m_propertyNameVector.begin(); }
const_iterator end() const { return m_propertyNameVector.end(); }
PropertyNameVector& propertyNameVector() { return m_propertyNameVector; }
void setCachedStructureID(StructureID* structureID) { m_cachedStructureID = structureID; }
StructureID* cachedStructureID() const { return m_cachedStructureID; }
void setCachedPrototypeChain(PassRefPtr<StructureIDChain> cachedPrototypeChain) { m_cachedPrototypeChain = cachedPrototypeChain; }
StructureIDChain* cachedPrototypeChain() { return m_cachedPrototypeChain.get(); }
private:
PropertyNameArrayData()
: m_cachedStructureID(0)
{
}
PropertyNameVector m_propertyNameVector;
StructureID* m_cachedStructureID;
RefPtr<StructureIDChain> m_cachedPrototypeChain;
};
class PropertyNameArray {
public:
typedef PropertyNameArrayData::const_iterator const_iterator;
PropertyNameArray(JSGlobalData* globalData)
: m_data(PropertyNameArrayData::create())
, m_globalData(globalData)
, m_cacheable(true)
{
}
PropertyNameArray(ExecState* exec)
: m_data(PropertyNameArrayData::create())
, m_globalData(&exec->globalData())
, m_cacheable(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)); }
size_t size() const { return m_data->propertyNameVector().size(); }
Identifier& operator[](unsigned i) { return m_data->propertyNameVector()[i]; }
const Identifier& operator[](unsigned i) const { return m_data->propertyNameVector()[i]; }
const_iterator begin() const { return m_data->begin(); }
const_iterator end() const { return m_data->end(); }
void setData(PassRefPtr<PropertyNameArrayData> data) { m_data = data; }
PropertyNameArrayData* data() { return m_data.get(); }
PassRefPtr<PropertyNameArrayData> releaseData() { return m_data.release(); }
void setCacheable(bool cacheable) { m_cacheable = cacheable; }
bool cacheable() const { return m_cacheable; }
private:
typedef HashSet<UString::Rep*, PtrHash<UString::Rep*> > IdentifierSet;
RefPtr<PropertyNameArrayData> m_data;
IdentifierSet m_set;
JSGlobalData* m_globalData;
bool m_cacheable;
};
} // namespace JSC
#endif // PropertyNameArray_h
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