Differential D12746 Diff 33823 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​
26class QFile; ​
27 ​
28namespace KDevelop { 27​namespace KDevelop {
29 28​
30class TopDUContext; 29​class TopDUContext;
31class DUContext; 30​class DUContext;
32class Declaration; 31​class Declaration;
33class IndexedString; 32​class IndexedString;
34class IndexedDUContext; 33​class IndexedDUContext;
35class 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.
38class 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​
▲ Show 20 Lines • Show All 68 Lines • ▼ Show 20 Line(s)
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 Lines153 {
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​
184Q_DECLARE_TYPEINFO(KDevelop::TopDUContextDynamicData::ItemDataInfo, Q_PRIMITIVE_TYPE); 198​Q_DECLARE_TYPEINFO(KDevelop::TopDUContextDynamicData::ItemDataInfo, Q_PRIMITIVE_TYPE);
185 199​
186#endif 200​#endif