// Copyright (C) 2008 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Spot is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Spot; see the file COPYING.  If not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.

#ifndef SPOT_IFACE_NIPS_COMMON_HH
# define SPOT_IFACE_NIPS_COMMON_HH

# include <string>
# include <iosfwd>

namespace spot
{

  /// An exception used to forward NIPS errors.
  class nips_exception
  {
  public:
    nips_exception(const std::string& where, int err)
      : err_(err), where_(where), err_defined_(true)
    {
    }

    nips_exception(const std::string& where)
      : err_(-1), where_(where), err_defined_(false)
    {
    }

    int
    get_err() const
    {
      return err_;
    }

    std::string
    get_where() const
    {
      return where_;
    }

    int
    get_err_defined() const
    {
      return err_defined_;
    }

  private:
    int err_;
    std::string where_;
    bool err_defined_;
  };

  std::ostream& operator<<(std::ostream& os, const nips_exception& e);
}

#endif // SPOT_IFACE_NIPS_COMMON_HH