Differential D12746 Diff 38266 kdevplatform/language/duchain/topducontextdynamicdata.h

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kdevplatform/language/duchain/topducontextdynamicdata.h

1	/* This is part of KDevelop	1		/* This is part of KDevelop
2	Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>	2		Copyright 2018 R.J.V. Bertin <rjvbertin@gmail.com>
3		3
4	This library is free software; you can redistribute it and/or	4		This library is free software; you can redistribute it and/or
5	modify it under the terms of the GNU Library General Public	5		modify it under the terms of the GNU Library General Public
6	License version 2 as published by the Free Software Foundation.	6		License version 2 as published by the Free Software Foundation.
7		7
8	This library is distributed in the hope that it will be useful,	8		This library is distributed in the hope that it will be useful,
9	but WITHOUT ANY WARRANTY; without even the implied warranty of	9		but WITHOUT ANY WARRANTY; without even the implied warranty of
10	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU	10		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11	Library General Public License for more details.	11		Library General Public License for more details.
12		12
13	You should have received a copy of the GNU Library General Public License	13		You should have received a copy of the GNU Library General Public License
14	along with this library; see the file COPYING.LIB. If not, write to	14		along with this library; see the file COPYING.LIB. If not, write to
15	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,	15		the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16	Boston, MA 02110-1301, USA.	16		Boston, MA 02110-1301, USA.
17	*/	17		*/
18		18
19	#ifndef KDEVPLATFORM_TOPDUCONTEXTDYNAMICDATA_H	19		#ifndef KDEVPLATFORM_TOPDUCONTEXTDYNAMICDATA_H
20	#define KDEVPLATFORM_TOPDUCONTEXTDYNAMICDATA_H	20		#define KDEVPLATFORM_TOPDUCONTEXTDYNAMICDATA_H
21		21
22	#include <QVector>	22		#include <QVector>
23	#include <QByteArray>	23		#include <QByteArray>
		24		#include <QFile>
24	#include "problem.h"	25		#include "problem.h"
25		26
26	class QFile;
27
28	namespace KDevelop {	27		namespace KDevelop {
29		28
30	class TopDUContext;	29		class TopDUContext;
31	class DUContext;	30		class DUContext;
32	class Declaration;	31		class Declaration;
33	class IndexedString;	32		class IndexedString;
34	class IndexedDUContext;	33		class IndexedDUContext;
35	class DUChainBaseData;	34		class DUChainBaseData;
36		35
		36		#ifdef KDEV_TOPCONTEXTS_USE_FILES
		37		using TopDUContextStore = TopDUContextFile;
		38		#elif defined(KDEV_TOPCONTEXTS_USE_LMDB)
		39		using TopDUContextStore = TopDUContextLMDB;
		40		#elif defined(KDEV_TOPCONTEXTS_USE_LEVELDB)
		41		using TopDUContextStore = TopDUContextLevelDB;
		42		#elif defined(KDEV_TOPCONTEXTS_USE_KYOTO)
		43		using TopDUContextStore = TopDUContextKyotoCabinet;
		44		#else
		45		class TopDUContextStore;
		46		#endif
		47
37	///This class contains dynamic data of a top-context, and also the repository that contains all the data within this top-context.	48		///This class contains dynamic data of a top-context, and also the repository that contains all the data within this top-context.
38	class TopDUContextDynamicData {	49		class TopDUContextDynamicData {
39	public:	50		public:
40	explicit TopDUContextDynamicData(TopDUContext* topContext);	51		explicit TopDUContextDynamicData(TopDUContext* topContext);
41	~TopDUContextDynamicData();	52		~TopDUContextDynamicData();
42		53
43	void clear();	54		void clear();
44		55
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113	};	124		};
114		125
115	struct ArrayWithPosition	126		struct ArrayWithPosition
116	{	127		{
117	QByteArray array;	128		QByteArray array;
118	uint position;	129		uint position;
119	};	130		};
120		131
		132		static QString basePath();
		133		static QString pathForTopContext(const uint topContextIndex);
		134
121	private:	135		private:
122	bool hasChanged() const;	136		bool hasChanged() const;
123		137
124	void unmap();	138		void unmap();
125	//Converts away from an mmap opened file to a data array	139		//Converts away from an mmap opened file to a data array
126		140
127	QString filePath() const;	141		QString filePath() const;
128		142
Show All 19 Lines		153	{
148		162
149	void clearItemIndex(const Item& item, const uint index);	163		void clearItemIndex(const Item& item, const uint index);
150		164
151	uint allocateItemIndex(const Item& item, const bool temporary);	165		uint allocateItemIndex(const Item& item, const bool temporary);
152		166
153	void deleteOnDisk();	167		void deleteOnDisk();
154	bool isItemForIndexLoaded(uint index) const;	168		bool isItemForIndexLoaded(uint index) const;
155		169
156	void loadData(QFile* file) const;	170		void loadData(TopDUContextStore* file) const;
157	void writeData(QFile* file);	171		void writeData(TopDUContextStore* file);
158		172
159	//May contain zero items if they were deleted	173		//May contain zero items if they were deleted
160	mutable QVector<Item> items;	174		mutable QVector<Item> items;
161	mutable QVector<ItemDataInfo> offsets;	175		mutable QVector<ItemDataInfo> offsets;
162	QVector<Item> temporaryItems;	176		QVector<Item> temporaryItems;
163	TopDUContextDynamicData* const data;	177		TopDUContextDynamicData* const data;
164	};	178		};
165		179
166	DUChainItemStorage<DUContext*> m_contexts;	180		DUChainItemStorage<DUContext*> m_contexts;
167	DUChainItemStorage<Declaration*> m_declarations;	181		DUChainItemStorage<Declaration*> m_declarations;
168	DUChainItemStorage<ProblemPointer> m_problems;	182		DUChainItemStorage<ProblemPointer> m_problems;
169		183
170	//For temporary declarations that will not be stored to disk, like template instantiations	184		//For temporary declarations that will not be stored to disk, like template instantiations
171		185
172	mutable QVector<ArrayWithPosition> m_data;	186		mutable QVector<ArrayWithPosition> m_data;
173	mutable QVector<ArrayWithPosition> m_topContextData;	187		mutable QVector<ArrayWithPosition> m_topContextData;
174	bool m_onDisk;	188		bool m_onDisk;
175	mutable bool m_dataLoaded;	189		mutable bool m_dataLoaded;
176		190
177	mutable QFile* m_mappedFile;	191		mutable TopDUContextStore* m_mappedFile;
178	mutable uchar* m_mappedData;	192		mutable uchar* m_mappedData;
179	mutable size_t m_mappedDataSize;	193		mutable size_t m_mappedDataSize;
180	mutable bool m_itemRetrievalForbidden;	194		mutable bool m_itemRetrievalForbidden;
181	};	195		};
182	}	196		}
183		197
184	Q_DECLARE_TYPEINFO(KDevelop::TopDUContextDynamicData::ItemDataInfo, Q_PRIMITIVE_TYPE);	198		Q_DECLARE_TYPEINFO(KDevelop::TopDUContextDynamicData::ItemDataInfo, Q_PRIMITIVE_TYPE);
185	Q_DECLARE_TYPEINFO(KDevelop::TopDUContextDynamicData::ArrayWithPosition, Q_MOVABLE_TYPE);	199		Q_DECLARE_TYPEINFO(KDevelop::TopDUContextDynamicData::ArrayWithPosition, Q_MOVABLE_TYPE);
186		200
187	#endif	201		#endif