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/***************************************************************************
* Copyright (C) 2005 by David Saxton *
* [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. *
***************************************************************************/
#include "asmparser.h"
#include "config.h"
#include "gpsimprocessor.h"
#include <kdebug.h>
#include <qfile.h>
#include <qregexp.h>
AsmParser::AsmParser( const QString &url )
: m_url(url)
{
m_bContainsRadix = false;
m_type = Absolute;
}
AsmParser::~AsmParser()
{
}
bool AsmParser::parse( GpsimDebugger * debugger )
{
QFile file(m_url);
if ( !file.open(IO_ReadOnly) )
return false;
QTextStream stream( &file );
m_type = Absolute;
m_bContainsRadix = false;
m_picID = QString::null;
QStringList nonAbsoluteOps = QStringList::split( ",",
"code,.def,.dim,.direct,endw,extern,.file,global,idata,.ident,.line,.type,udata,udata_acs,udata_ovr,udata_shr" );
unsigned inputAtLine = 0;
while ( !stream.atEnd() )
{
const QString line = stream.readLine().stripWhiteSpace();
if ( m_type != Relocatable )
{
QString col0 = line.section( QRegExp("[; ]"), 0, 0 );
col0 = col0.stripWhiteSpace();
if ( nonAbsoluteOps.contains(col0) )
m_type = Relocatable;
}
if ( !m_bContainsRadix )
{
if ( line.contains( QRegExp("^RADIX[\\s]*") ) || line.contains( QRegExp("^radix[\\s]*") ) )
m_bContainsRadix = true;
}
if ( m_picID.isEmpty() )
{
// We look for "list p = ", and "list p = picid ", and subtract the positions / lengths away from each other to get the picid text position
QRegExp fullRegExp("[lL][iI][sS][tT][\\s]+[pP][\\s]*=[\\s]*[\\d\\w]+");
QRegExp halfRegExp("[lL][iI][sS][tT][\\s]+[pP][\\s]*=[\\s]*");
int startPos = fullRegExp.search(line);
if ( (startPos != -1) && (startPos == halfRegExp.search(line)) )
{
m_picID = line.mid( startPos + halfRegExp.matchedLength(), fullRegExp.matchedLength() - halfRegExp.matchedLength() );
m_picID = m_picID.upper();
if ( !m_picID.startsWith("P") )
m_picID.prepend("P");
}
}
#ifndef NO_GPSIM
if ( debugger && line.startsWith(";#CSRC\t") )
{
// Assembly file produced (by sdcc) from C, line is in format:
// ;#CSRC\t[file-name] [file-line]
// The filename can contain spaces.
int fileLineAt = line.findRev(" ");
if ( fileLineAt == -1 )
kdWarning() << k_funcinfo << "Syntax error in line \"" << line << "\" while looking for file-line" << endl;
else
{
// 7 = length_of(";#CSRC\t")
QString fileName = line.mid( 7, fileLineAt-7 );
QString fileLineString = line.mid( fileLineAt+1, line.length() - fileLineAt - 1 );
if ( fileName.startsWith("\"") )
{
// Newer versions of SDCC insert " around the filename
fileName.remove( 0, 1 ); // First "
fileName.remove( fileName.length()-1, 1 ); // Last "
}
bool ok;
int fileLine = fileLineString.toInt(&ok) - 1;
if ( ok && fileLine >= 0 )
debugger->associateLine( fileName, fileLine, m_url, inputAtLine );
else
kdDebug() << k_funcinfo << "Not a valid line number: \"" << fileLineString << "\"" << endl;
}
}
if ( debugger && (line.startsWith(".line\t") || line.startsWith(";#MSRC") ) )
{
// Assembly file produced by either sdcc or microbe, line is in format:
// \t[".line"/"#MSRC"]\t[file-line]; [file-name]\t[c/microbe source code for that line]
// We're screwed if the file name contains tabs, but hopefully not many do...
QStringList lineParts = QStringList::split( '\t', line );
if ( lineParts.size() < 2 )
kdWarning() << k_funcinfo << "Line is in wrong format for extracing source line and file: \""<<line<<"\""<<endl;
else
{
const QString lineAndFile = lineParts[1];
int lineFileSplit = lineAndFile.find("; ");
if ( lineFileSplit == -1 )
kdDebug() << k_funcinfo << "Could not find file / line split in \""<<lineAndFile<<"\""<<endl;
else
{
QString fileName = lineAndFile.mid( lineFileSplit + 2 );
QString fileLineString = lineAndFile.left( lineFileSplit );
if ( fileName.startsWith("\"") )
{
// Newer versions of SDCC insert " around the filename
fileName.remove( 0, 1 ); // First "
fileName.remove( fileName.length()-1, 1 ); // Last "
}
bool ok;
int fileLine = fileLineString.toInt(&ok) - 1;
if ( ok && fileLine >= 0 )
debugger->associateLine( fileName, fileLine, m_url, inputAtLine );
else
kdDebug() << k_funcinfo << "Not a valid line number: \"" << fileLineString << "\"" << endl;
}
}
}
#endif // !NO_GPSIM
inputAtLine++;
}
return true;
}
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