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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef CPPGENERATOR_H
#define CPPGENERATOR_H

#include "lalr.h"
#include "compress.h"

class Grammar;
class Automaton;
class Recognizer;

class CppGenerator
{
public:
  CppGenerator(const Recognizer &p, Grammar &grammar, Automaton &aut, bool verbose):
    p (p),
    grammar (grammar),
    aut (aut),
    verbose (verbose),
    debug_info (false),
    troll_copyright (false) {}

  void operator () ();

  bool debugInfo () const { return debug_info; }
  void setDebugInfo (bool d) { debug_info = d; }

  bool trollCopyright () const { return troll_copyright; }
  void setTrollCopyright (bool t) { troll_copyright = t; }

private:
  void generateDecl (QTextStream &out);
  void generateImpl (QTextStream &out);

  QString debugInfoProt() const;
  QString trollCopyrightHeader() const;
  QString trollPrivateCopyrightHeader() const;

private:
  static QString startIncludeGuard(const QString &fileName);
  static QString endIncludeGuard(const QString &fileName);

  const Recognizer &p;
  Grammar &grammar;
  Automaton &aut;
  bool verbose;
  int accept_state;
  int state_count;
  int terminal_count;
  int non_terminal_count;
  bool debug_info;
  bool troll_copyright;
  Compress compressed_action;
  Compress compressed_goto;
  QVector<int> count;
  QVector<int> defgoto;
};

#endif // CPPGENERATOR_H