/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the utils of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#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),
    copyright (false) {}

  void operator () ();

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

  void setCopyright (bool t) { copyright = t; }

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

  QString debugInfoProt() const;
  QString copyrightHeader() const;
  QString privateCopyrightHeader() 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 copyright;
  Compress compressed_action;
  Compress compressed_goto;
  QVector<int> count;
  QVector<int> defgoto;
};

#endif // CPPGENERATOR_H