spot/src/ltlenv/defaultenv.cc
Alexandre Duret-Lutz 4f1535c8fe defaultenv: simplify usage
* src/ltlenv/defaultenv.hh, src/ltlenv/defaultenv.cc (require): Return
an atomic_prop*, not a formula*.
* src/bin/randaut.cc, src/bin/randltl.cc, src/ltlvisit/apcollect.cc,
src/tgbatest/ltl2tgba.cc, src/tgbatest/randtgba.cc: Do not cast
the return of require().
2014-11-30 19:53:14 +01:00

59 lines
1.6 KiB
C++

// -*- coding: utf-8 -*-
// Copyright (C) 2012, 2014 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
// Copyright (C) 2003 Laboratoire d'Informatique de Paris 6 (LIP6),
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// et Marie Curie.
//
// 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 "defaultenv.hh"
namespace spot
{
namespace ltl
{
default_environment::~default_environment()
{
}
const atomic_prop*
default_environment::require(const std::string& s)
{
return atomic_prop::instance(s, *this);
}
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;
}
}
}