summaryrefslogtreecommitdiffstats
path: root/languages/java/driver.cpp
blob: f5bb6bfc9630dad93742e43b8f3d7dee807e1751 (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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/* This file is part of KDevelop
    Copyright (C) 2002,2003 Roberto Raggi <roberto@kdevelop.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/

#include "JavaAST.hpp"
#include "JavaLexer.hpp"
#include "JavaRecognizer.hpp"

#include <kdebug.h>
#include <stdlib.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qdir.h>

#include <string>
#include <sstream>

class DefaultSourceProvider: public SourceProvider
{
public:
    DefaultSourceProvider() {}

    virtual QString contents( const QString& fileName )
    {
	QString source;

	QFile f( fileName );
	if( f.open(IO_ReadOnly) ){
	    QTextStream s( &f );
	    source = s.read();
	    f.close();
	}
	return source;
    }

    virtual bool isModified( const QString& fileName )
    {
	Q_UNUSED( fileName );
	return true;
    }

private:
    DefaultSourceProvider( const DefaultSourceProvider& source );
    void operator = ( const DefaultSourceProvider& source );
};


Driver::Driver()
    : lexer( 0 )
{
    m_sourceProvider = new DefaultSourceProvider();
}

Driver::~Driver()
{
    reset();
    delete( m_sourceProvider );
}

SourceProvider* Driver::sourceProvider()
{
    return m_sourceProvider;
}

void Driver::setSourceProvider( SourceProvider* sourceProvider )
{
    if( m_sourceProvider )
	delete( m_sourceProvider );
    m_sourceProvider = sourceProvider;
}

void Driver::reset( )
{
    m_problems.clear();
    m_includePaths.clear();

    while( m_parsedUnits.size() ){
	RefJavaAST unit = *m_parsedUnits.begin();
	m_parsedUnits.remove( m_parsedUnits.begin() );
	delete( unit );
    }
}

void Driver::remove( const QString & fileName )
{
    m_problems.remove( fileName );

    QMap<QString, RefJavaAST>::Iterator it = m_parsedUnits.find( fileName );
    if( it != m_parsedUnits.end() ){
	RefJavaAST unit = *it;
	m_parsedUnits.remove( it );
	delete( unit );
    }
}

RefJavaAST Driver::takeTranslationUnit( const QString& fileName )
{
    QMap<QString, RefJavaAST>::Iterator it = m_parsedUnits.find( fileName );
    RefJavaAST unit( *it );
    //m_parsedUnits.remove( it );
    m_parsedUnits[ fileName] = 0;
    return unit;
}

RefJavaAST Driver::translationUnit( const QString& fileName ) const
{
    QMap<QString, RefJavaAST>::ConstIterator it = m_parsedUnits.find( fileName );
    return it != m_parsedUnits.end() ? *it : RefJavaAST();
}

void Driver::addProblem( const QString & fileName, const Problem & problem )
{
    findOrInsertProblemList( fileName ).append( problem );
}

QValueList < Problem >& Driver::findOrInsertProblemList( const QString & fileName )
{
    QMap<QString, QValueList<Problem> >::Iterator it = m_problems.find( fileName );
    if( it != m_problems.end() )
        return it.data();

    QValueList<Problem> l;
    m_problems.insert( fileName, l );
    return m_problems[ fileName ];
}

QValueList < Problem > Driver::problems( const QString & fileName ) const
{
    QMap<QString, QValueList<Problem> >::ConstIterator it = m_problems.find( fileName );
    if( it != m_problems.end() )
	return it.data();
    return QValueList<Problem>();
}

void Driver::parseFile( const QString& fileName, bool onlyPreProcess, bool force )
{
    QFileInfo fileInfo( fileName );
    QString absFilePath = fileInfo.absFilePath();

    QMap<QString, RefJavaAST>::Iterator it = m_parsedUnits.find( absFilePath );

    if( force && it != m_parsedUnits.end() ){
	takeTranslationUnit( absFilePath );
    } else if( it != m_parsedUnits.end() && *it != 0 ){
	// file already processed
	return;
    }

    m_problems.remove( fileName );

    m_currentFileName = fileName;

    std::string source( sourceProvider()->contents(fileName).utf8() );
    std::istringstream in( source.c_str() );

    JavaLexer lex( in );
    lex.setDriver( this );
    lexer = &lex;
    setupLexer( &lex );


    /// @todo lex.setSource( sourceProvider()->contents(fileName) );

    RefJavaAST translationUnit;
    if( !onlyPreProcess ){
	JavaRecognizer parser( lex );
	parser.setDriver( this );
	setupParser( &parser );


    try{
        // make an ast factory
        ANTLR_USE_NAMESPACE(antlr)JavaASTFactory ast_factory;
        // initialize and put it in the parser...
        parser.initializeASTFactory (ast_factory);
        parser.setASTFactory (&ast_factory);

        parser.compilationUnit();

        RefJavaAST translationUnit = RefJavaAST( parser.getAST() );
        m_parsedUnits.insert( fileName, translationUnit );

    } catch( ANTLR_USE_NAMESPACE(antlr)ANTLRException& ex ){}

    }

    m_currentFileName = QString::null;
    lexer = 0;

    fileParsed( fileName );
}

void Driver::setupLexer( JavaLexer * // lexer
                         )
{
}

void Driver::setupParser( JavaRecognizer * parser )
{
    Q_UNUSED( parser );
}

void Driver::addIncludePath( const QString &path )
{
    if( !path.stripWhiteSpace().isEmpty() )
        m_includePaths << path;
}

void Driver::fileParsed( const QString & fileName )
{
    Q_UNUSED( fileName );
}