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102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the utils of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/QTextStream>
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#include "lalr.h"
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#include "dotgraph.h"
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DotGraph::DotGraph(QTextStream &o):
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out (o)
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{
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}
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void DotGraph::operator () (Automaton *aut)
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{
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Grammar *g = aut->_M_grammar;
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out << "digraph {" << endl << endl;
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out << "subgraph Includes {" << endl;
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for (Automaton::IncludesGraph::iterator incl = Automaton::IncludesGraph::begin_nodes ();
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incl != Automaton::IncludesGraph::end_nodes (); ++incl)
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{
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for (Automaton::IncludesGraph::edge_iterator edge = incl->begin (); edge != incl->end (); ++edge)
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{
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out << "\t\"(" << aut->id (incl->data.state) << ", " << incl->data.nt << ")\"";
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out << "\t->\t";
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out << "\"(" << aut->id ((*edge)->data.state) << ", " << (*edge)->data.nt << ")\"\t";
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out << "[label=\"" << incl->data.state->follows [incl->data.nt] << "\"]";
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out << endl;
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}
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}
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out << "}" << endl << endl;
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out << "subgraph LRA {" << endl;
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//out << "node [shape=record];" << endl << endl;
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for (StatePointer q = aut->states.begin (); q != aut->states.end (); ++q)
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{
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int state = aut->id (q);
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out << "\t" << state << "\t[shape=record,label=\"{";
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out << "<0> State " << state;
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int index = 1;
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for (ItemPointer item = q->kernel.begin (); item != q->kernel.end (); ++item)
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out << "| <" << index++ << "> " << *item;
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out << "}\"]" << endl;
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for (Bundle::iterator a = q->bundle.begin (); a != q->bundle.end (); ++a)
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{
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const char *clr = g->isTerminal (a.key ()) ? "blue" : "red";
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out << "\t" << state << "\t->\t" << aut->id (*a) << "\t[color=\"" << clr << "\",label=\"" << a.key () << "\"]" << endl;
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}
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out << endl;
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}
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out << "}" << endl;
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out << endl << endl << "}" << endl;
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}
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