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/* 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 );
}
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