spot  0.9.1
atomic_prop.hh
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00001 // -*- coding: utf-8 -*-
00002 // Copyright (C) 2009, 2012 Laboratoire de Recherche et Développement
00003 // de l'Epita (LRDE).
00004 // Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
00005 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
00006 // et Marie Curie.
00007 //
00008 // This file is part of Spot, a model checking library.
00009 //
00010 // Spot is free software; you can redistribute it and/or modify it
00011 // under the terms of the GNU General Public License as published by
00012 // the Free Software Foundation; either version 2 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // Spot is distributed in the hope that it will be useful, but WITHOUT
00016 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00017 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00018 // License for more details.
00019 //
00020 // You should have received a copy of the GNU General Public License
00021 // along with Spot; see the file COPYING.  If not, write to the Free
00022 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00023 // 02111-1307, USA.
00024 
00027 #ifndef SPOT_LTLAST_ATOMIC_PROP_HH
00028 # define SPOT_LTLAST_ATOMIC_PROP_HH
00029 
00030 #include <string>
00031 #include <iosfwd>
00032 #include <map>
00033 #include "refformula.hh"
00034 #include "ltlenv/environment.hh"
00035 
00036 namespace spot
00037 {
00038   namespace ltl
00039   {
00040 
00043     class atomic_prop : public ref_formula
00044     {
00045     public:
00048       static const atomic_prop*
00049       instance(const std::string& name, environment& env);
00050 
00051       virtual void accept(visitor& visitor) const;
00052 
00054       const std::string& name() const;
00056       environment& env() const;
00057 
00059       virtual std::string dump() const;
00060 
00062       static unsigned instance_count();
00064       static std::ostream& dump_instances(std::ostream& os);
00065 
00066     protected:
00067       atomic_prop(const std::string& name, environment& env);
00068       virtual ~atomic_prop();
00069 
00070       typedef std::pair<std::string, environment*> pair;
00071       typedef std::map<pair, const atomic_prop*> map;
00072       static map instances;
00073 
00074     private:
00075       std::string name_;
00076       environment* env_;
00077     };
00078 
00079     inline
00080     const atomic_prop*
00081     is_atomic_prop(const formula* f)
00082     {
00083       if (f->kind() != formula::AtomicProp)
00084         return 0;
00085       return static_cast<const atomic_prop*>(f);
00086     }
00087   }
00088 }
00089 
00090 #endif // SPOT_LTLAST_ATOMICPROP_HH

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