util/qlalr/dotgraph.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the utils of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 
       
    43 #include <QtCore/QTextStream>
       
    44 
       
    45 #include "lalr.h"
       
    46 #include "dotgraph.h"
       
    47 
       
    48 DotGraph::DotGraph(QTextStream &o):
       
    49   out (o)
       
    50 {
       
    51 }
       
    52 
       
    53 void DotGraph::operator () (Automaton *aut)
       
    54 {
       
    55   Grammar *g = aut->_M_grammar;
       
    56 
       
    57   out << "digraph {" << endl << endl;
       
    58 
       
    59   out << "subgraph Includes {" << endl;
       
    60   for (Automaton::IncludesGraph::iterator incl = Automaton::IncludesGraph::begin_nodes ();
       
    61        incl != Automaton::IncludesGraph::end_nodes (); ++incl)
       
    62     {
       
    63       for (Automaton::IncludesGraph::edge_iterator edge = incl->begin (); edge != incl->end (); ++edge)
       
    64         {
       
    65           out << "\t\"(" << aut->id (incl->data.state) << ", " << incl->data.nt << ")\"";
       
    66           out << "\t->\t";
       
    67           out << "\"(" << aut->id ((*edge)->data.state) << ", " << (*edge)->data.nt << ")\"\t";
       
    68           out << "[label=\"" << incl->data.state->follows [incl->data.nt] << "\"]";
       
    69           out << endl;
       
    70         }
       
    71     }
       
    72   out << "}" << endl << endl;
       
    73 
       
    74 
       
    75   out << "subgraph LRA {" << endl;
       
    76   //out << "node [shape=record];" << endl << endl;
       
    77 
       
    78   for (StatePointer q = aut->states.begin (); q != aut->states.end (); ++q)
       
    79     {
       
    80       int state = aut->id (q);
       
    81 
       
    82       out << "\t" << state << "\t[shape=record,label=\"{";
       
    83 
       
    84       out << "<0> State " << state;
       
    85 
       
    86       int index = 1;
       
    87       for (ItemPointer item = q->kernel.begin (); item != q->kernel.end (); ++item)
       
    88         out << "| <" << index++ << "> " << *item;
       
    89 
       
    90       out << "}\"]" << endl;
       
    91 
       
    92       for (Bundle::iterator a = q->bundle.begin (); a != q->bundle.end (); ++a)
       
    93         {
       
    94           const char *clr = g->isTerminal (a.key ()) ? "blue" : "red";
       
    95           out << "\t" << state << "\t->\t" << aut->id (*a) << "\t[color=\"" << clr << "\",label=\"" << a.key () << "\"]" << endl;
       
    96         }
       
    97       out << endl;
       
    98     }
       
    99 
       
   100   out << "}" << endl;
       
   101   out << endl << endl << "}" << endl;
       
   102 }