/****************************************************************************+
−
**+
−
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
−
** All rights reserved.+
−
** Contact: Nokia Corporation (qt-info@nokia.com)+
−
**+
−
** This file is part of the utils of the Qt Toolkit.+
−
**+
−
** $QT_BEGIN_LICENSE:LGPL$+
−
** 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 Technology Preview License Agreement accompanying+
−
** this package.+
−
**+
−
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
−
**+
−
** If you have questions regarding the use of this file, please contact+
−
** Nokia at qt-info@nokia.com.+
−
**+
−
**+
−
**+
−
**+
−
**+
−
**+
−
**+
−
**+
−
** $QT_END_LICENSE$+
−
**+
−
****************************************************************************/+
−
+
−
+
−
#include <QtCore/QTextStream>+
−
#include "lalr.h"+
−
#include "parsetable.h"+
−
+
−
ParseTable::ParseTable (QTextStream &o):+
−
  out (o)+
−
{+
−
}+
−
+
−
void ParseTable::operator () (Automaton *aut)+
−
{+
−
  Grammar *g = aut->_M_grammar;+
−
+
−
  int rindex = 1;+
−
  for (RulePointer rule = g->rules.begin (); rule != g->rules.end (); ++rule)+
−
    out << rindex++ << ")\t" << *rule << endl;+
−
  out << endl << endl;+
−
+
−
  int index = 0;+
−
  for (StatePointer state = aut->states.begin (); state != aut->states.end (); ++state)+
−
    {+
−
      out << "state " << index++ << endl << endl;+
−
+
−
      for (ItemPointer item = state->kernel.begin (); item != state->kernel.end (); ++item)+
−
        {+
−
          out << " *  " << *item;+
−
+
−
          if (item->dot == item->end_rhs ())+
−
            out << " " << aut->lookaheads [item];+
−
+
−
          out << endl;+
−
        }+
−
+
−
      bool first = true;+
−
      for (Bundle::iterator arrow = state->bundle.begin (); arrow != state->bundle.end (); ++arrow)+
−
        {+
−
          if (! g->isTerminal (arrow.key ()))+
−
            continue;+
−
+
−
          if (first)+
−
            out << endl;+
−
+
−
          first = false;+
−
+
−
          out << "    " << *arrow.key () << " shift, and go to state " << std::distance (aut->states.begin (), *arrow) << endl;+
−
        }+
−
+
−
      first = true;+
−
      for (ItemPointer item = state->closure.begin (); item != state->closure.end (); ++item)+
−
        {+
−
          if (item->dot != item->end_rhs () || item->rule == state->defaultReduce)+
−
            continue;+
−
+
−
          if (first)+
−
            out << endl;+
−
+
−
          first = false;+
−
+
−
          foreach (Name la, aut->lookaheads.value (item))+
−
            out << "    " << *la << " reduce using rule " << aut->id (item->rule) << " (" << *item->rule->lhs << ")" << endl;+
−
        }+
−
+
−
      first = true;+
−
      for (Bundle::iterator arrow = state->bundle.begin (); arrow != state->bundle.end (); ++arrow)+
−
        {+
−
          if (! g->isNonTerminal (arrow.key ()))+
−
            continue;+
−
+
−
          if (first)+
−
            out << endl;+
−
+
−
          first = false;+
−
+
−
          out << "    " << *arrow.key () << " go to state " << std::distance (aut->states.begin (), *arrow) << endl;+
−
        }+
−
+
−
      if (state->defaultReduce != g->rules.end ())+
−
        {+
−
          out << endl+
−
              << "    $default reduce using rule " << aut->id (state->defaultReduce) << " (" << *state->defaultReduce->lhs << ")" << endl;+
−
        }+
−
+
−
      out << endl;+
−
    }+
−
}+
−