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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QLALR project on Trolltech Labs.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QTextStream>
#include "lalr.h"
#include "dotgraph.h"
DotGraph::DotGraph(QTextStream &o):
out (o)
{
}
void DotGraph::operator () (Automaton *aut)
{
Grammar *g = aut->_M_grammar;
out << "digraph {" << endl << endl;
out << "subgraph Includes {" << endl;
for (Automaton::IncludesGraph::iterator incl = Automaton::IncludesGraph::begin_nodes ();
incl != Automaton::IncludesGraph::end_nodes (); ++incl)
{
for (Automaton::IncludesGraph::edge_iterator edge = incl->begin (); edge != incl->end (); ++edge)
{
out << "\t\"(" << aut->id (incl->data.state) << ", " << incl->data.nt << ")\"";
out << "\t->\t";
out << "\"(" << aut->id ((*edge)->data.state) << ", " << (*edge)->data.nt << ")\"\t";
out << "[label=\"" << incl->data.state->follows [incl->data.nt] << "\"]";
out << endl;
}
}
out << "}" << endl << endl;
out << "subgraph LRA {" << endl;
//out << "node [shape=record];" << endl << endl;
for (StatePointer q = aut->states.begin (); q != aut->states.end (); ++q)
{
int state = aut->id (q);
out << "\t" << state << "\t[shape=record,label=\"{";
out << "<0> State " << state;
int index = 1;
for (ItemPointer item = q->kernel.begin (); item != q->kernel.end (); ++item)
out << "| <" << index++ << "> " << *item;
out << "}\"]" << endl;
for (Bundle::iterator a = q->bundle.begin (); a != q->bundle.end (); ++a)
{
const char *clr = g->isTerminal (a.key ()) ? "blue" : "red";
out << "\t" << state << "\t->\t" << aut->id (*a) << "\t[color=\"" << clr << "\",label=\"" << a.key () << "\"]" << endl;
}
out << endl;
}
out << "}" << endl;
out << endl << endl << "}" << endl;
}
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