// -*- coding: utf-8 -*-
// Copyright (C) by the Spot authors, see the AUTHORS file for details.
//
// 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 3 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 this program.  If not, see <http://www.gnu.org/licenses/>.

#include "config.h"
#include <spot/tl/defaultenv.hh>

namespace spot
{
  default_environment::~default_environment()
  {
  }

  formula
  default_environment::require(const std::string& s)
  {
    return formula::ap(s);
  }

  const std::string&
  default_environment::name() const
  {
    static std::string name("default environment");
    return name;
  }

  default_environment::default_environment()
  {
  }

  default_environment&
  default_environment::instance()
  {
    static default_environment* singleton = new default_environment();
    return *singleton;
  }
}
