PropertyNameArray.h [plain text]
#ifndef PropertyNameArray_h
#define PropertyNameArray_h
#include "CallFrame.h"
#include "Identifier.h"
#include "Structure.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 setCachedStructure(Structure* structure) { m_cachedStructure = structure; }
Structure* cachedStructure() const { return m_cachedStructure; }
void setCachedPrototypeChain(PassRefPtr<StructureChain> cachedPrototypeChain) { m_cachedPrototypeChain = cachedPrototypeChain; }
StructureChain* cachedPrototypeChain() { return m_cachedPrototypeChain.get(); }
private:
PropertyNameArrayData()
: m_cachedStructure(0)
{
}
PropertyNameVector m_propertyNameVector;
Structure* m_cachedStructure;
RefPtr<StructureChain> m_cachedPrototypeChain;
};
class PropertyNameArray {
public:
typedef PropertyNameArrayData::const_iterator const_iterator;
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)); }
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 setShouldCache(bool shouldCache) { m_shouldCache = shouldCache; }
bool shouldCache() const { return m_shouldCache; }
private:
typedef HashSet<UString::Rep*, PtrHash<UString::Rep*> > IdentifierSet;
RefPtr<PropertyNameArrayData> m_data;
IdentifierSet m_set;
JSGlobalData* m_globalData;
bool m_shouldCache;
};
}
#endif // PropertyNameArray_h