spot/src/ltlvisit/lunabbrev.hh
2004-05-10 15:43:18 +00:00

67 lines
2.2 KiB
C++

// 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 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_LTLVISIT_LUNABBREV_HH
# define SPOT_LTLVISIT_LUNABBREV_HH
#include "clone.hh"
namespace spot
{
namespace ltl
{
/// \brief Clone and rewrite a formula to remove most of the
/// abbreviated logical operators.
///
/// This will rewrite binary operators such as binop::Implies,
/// binop::Equals, and binop::Xor, using only unop::Not, multop::Or,
/// and multop::And.
///
/// This visitor is public, because it's convenient
/// to derive from it and override some of its methods.
/// But if you just want the functionality, consider using
/// spot::ltl::unabbreviate_logic instead.
class unabbreviate_logic_visitor : public clone_visitor
{
typedef clone_visitor super;
public:
unabbreviate_logic_visitor();
virtual ~unabbreviate_logic_visitor();
using super::visit;
//void visit(unop* uo);
void visit(binop* bo);
virtual formula* recurse(formula* f);
};
/// \brief Clone and rewrite a formula to remove most of the abbreviated
/// logical operators.
///
/// This will rewrite binary operators such as binop::Implies,
/// binop::Equals, and binop::Xor, using only unop::Not, multop::Or,
/// and multop::And.
formula* unabbreviate_logic(const formula* f);
}
}
#endif // SPOT_LTLVISIT_LUNABBREV_HH