summaryrefslogtreecommitdiffstats
path: root/languages/cpp/backgroundparser.h
blob: f3cd86fd2173d3688645071efcb0218fc5525fd7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
/***************************************************************************
*   Copyright (C) 2002 by Roberto Raggi                                   *
*   [email protected]                                                 *
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/

#ifndef BACKGROUNDPARSER_H
#define BACKGROUNDPARSER_H

#include "ast.h"
#include "driver.h"

#include <tqthread.h>
#include <tqwaitcondition.h>
#include <tqmutex.h>
#include <tqmap.h>
#include <kdebug.h>

class CppSupportPart;
class TranslationUnitAST;
class SynchronizedFileList;
class BackgroundKDevDriver;
class Unit
{
public:
	Unit() : translationUnit( 0 )
	{}
	~Unit()
	{
		translationUnit = 0;
	}

	TQString fileName;
	TQValueList<Problem> problems;
	ParsedFilePointer translationUnit;

protected:
	Unit( const Unit& source );
	void operator = ( const Unit& source );
};

class BackgroundParser: public TQThread
{
public:
	BackgroundParser( CppSupportPart*, TQWaitCondition* consumed );
	virtual ~BackgroundParser();

	TQMutex& mutex()
	{
		return m_mutex;
	}
	void lock ()
	{
		m_mutex.lock();
	}
	void unlock()
	{
		m_mutex.unlock();
	}

	TQWaitCondition& canParse()
	{
		return m_canParse;
	}
	TQWaitCondition& isEmpty()
	{
		return m_isEmpty;
	}

	bool filesInQueue();

    int countInQueue( const TQString& file ) const;

    void addFile( const TQString& fileName, bool readFromDisk = false );
    void addFileFront( const TQString& fileName, bool readFromDisk = false );
    void removeFile( const TQString& fileName );
	void removeAllFiles();

    bool hasTranslationUnit( const TQString& fileName );
	ParsedFilePointer translationUnit( const TQString& fileName );
	TQValueList<Problem> problems( const TQString& fileName , bool readFromDisk = false, bool forceParse = false );
	void updateParserConfiguration();

    ///Should be run on a regular basis(every X minutes). It reduces some caches etc. BackgroundParser must be locked before.
    void saveMemory();
  
	void close();

	virtual void run();

protected:
    friend class BackgroundKDevDriver;
    void fileParsed( ParsedFile& fileName );
	Unit* findUnit( const TQString& fileName );
	void parseFile( const TQString& fileName, bool readFromDisk, bool lock = false )
		;

private:
	class KDevDriver* m_driver;
	TQString m_currentFile;
	TQWaitCondition m_canParse;
	TQWaitCondition m_isEmpty;
	TQWaitCondition* m_consumed;
	TQMutex m_mutex;
	SynchronizedFileList* m_fileList;
	CppSupportPart* m_cppSupport;
	bool m_close;
	TQMap<TQString, Unit*> m_unitDict;
    bool m_saveMemory; //used to prevent blocking

    //State of parseFile(..):
    bool m_readFromDisk;
};

#endif 
// kate: indent-mode csands; tab-width 4;