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Commit	Line	Data
	1	/*
	2	* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
	3	*
	4	* This library is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Library General Public
	6	* License as published by the Free Software Foundation; either
	7	* version 2 of the License, or (at your option) any later version.
	8	*
	9	* This library is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* Library General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU Library General Public License
	15	* along with this library; see the file COPYING.LIB. If not, write to
	16	* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	17	* Boston, MA 02110-1301, USA.
	18	*
	19	*/
	20
	21	#ifndef PropertyNameArray_h
	22	#define PropertyNameArray_h
	23
	24	#include "CallFrame.h"
	25	#include "Identifier.h"
	26	#include <wtf/HashSet.h>
	27	#include <wtf/OwnArrayPtr.h>
	28	#include <wtf/Vector.h>
	29
	30	namespace JSC {
	31
	32	class Structure;
	33	class StructureChain;
	34
	35	// FIXME: Rename to PropertyNameArray.
	36	class PropertyNameArrayData : public RefCounted<PropertyNameArrayData> {
	37	public:
	38	typedef Vector<Identifier, 20> PropertyNameVector;
	39
	40	static PassRefPtr<PropertyNameArrayData> create() { return adoptRef(new PropertyNameArrayData); }
	41
	42	PropertyNameVector& propertyNameVector() { return m_propertyNameVector; }
	43
	44	private:
	45	PropertyNameArrayData()
	46	{
	47	}
	48
	49	PropertyNameVector m_propertyNameVector;
	50	};
	51
	52	// FIXME: Rename to PropertyNameArrayBuilder.
	53	class PropertyNameArray {
	54	public:
	55	PropertyNameArray(JSGlobalData* globalData)
	56	: m_data(PropertyNameArrayData::create())
	57	, m_globalData(globalData)
	58	, m_shouldCache(true)
	59	{
	60	}
	61
	62	PropertyNameArray(ExecState* exec)
	63	: m_data(PropertyNameArrayData::create())
	64	, m_globalData(&exec->globalData())
	65	, m_shouldCache(true)
	66	{
	67	}
	68
	69	JSGlobalData* globalData() { return m_globalData; }
	70
	71	void add(const Identifier& identifier) { add(identifier.ustring().rep()); }
	72	void add(UString::Rep*);
	73	void addKnownUnique(UString::Rep* identifier) { m_data->propertyNameVector().append(Identifier(m_globalData, identifier)); }
	74
	75	Identifier& operator[](unsigned i) { return m_data->propertyNameVector()[i]; }
	76	const Identifier& operator[](unsigned i) const { return m_data->propertyNameVector()[i]; }
	77
	78	void setData(PassRefPtr<PropertyNameArrayData> data) { m_data = data; }
	79	PropertyNameArrayData* data() { return m_data.get(); }
	80	PassRefPtr<PropertyNameArrayData> releaseData() { return m_data.release(); }
	81
	82	// FIXME: Remove these functions.
	83	typedef PropertyNameArrayData::PropertyNameVector::const_iterator const_iterator;
	84	size_t size() const { return m_data->propertyNameVector().size(); }
	85	const_iterator begin() const { return m_data->propertyNameVector().begin(); }
	86	const_iterator end() const { return m_data->propertyNameVector().end(); }
	87
	88	private:
	89	typedef HashSet<UString::Rep, PtrHash<UString::Rep> > IdentifierSet;
	90
	91	RefPtr<PropertyNameArrayData> m_data;
	92	IdentifierSet m_set;
	93	JSGlobalData* m_globalData;
	94	bool m_shouldCache;
	95	};
	96
	97	} // namespace JSC
	98
	99	#endif // PropertyNameArray_h