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atomic_prop.hh

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00001 // Copyright (C) 2003, 2004  Laboratoire d'Informatique de Paris 6 (LIP6),
00002 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
00003 // et Marie Curie.
00004 //
00005 // This file is part of Spot, a model checking library.
00006 //
00007 // Spot is free software; you can redistribute it and/or modify it
00008 // under the terms of the GNU General Public License as published by
00009 // the Free Software Foundation; either version 2 of the License, or
00010 // (at your option) any later version.
00011 //
00012 // Spot is distributed in the hope that it will be useful, but WITHOUT
00013 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
00014 // or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00015 // License for more details.
00016 //
00017 // You should have received a copy of the GNU General Public License
00018 // along with Spot; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00020 // 02111-1307, USA.
00021 
00024 #ifndef SPOT_LTLAST_ATOMIC_PROP_HH
00025 # define SPOT_LTLAST_ATOMIC_PROP_HH
00026 
00027 #include <string>
00028 #include <iosfwd>
00029 #include <map>
00030 #include "refformula.hh"
00031 #include "ltlenv/environment.hh"
00032 
00033 namespace spot
00034 {
00035   namespace ltl
00036   {
00037 
00040     class atomic_prop : public ref_formula
00041     {
00042     public:
00045       static atomic_prop* instance(const std::string& name, environment& env);
00046 
00047       virtual void accept(visitor& visitor);
00048       virtual void accept(const_visitor& visitor) const;
00049 
00051       const std::string& name() const;
00053       environment& env() const;
00054 
00056       static unsigned instance_count();
00058       static std::ostream& dump_instances(std::ostream& os);
00059 
00060     protected:
00061       atomic_prop(const std::string& name, environment& env);
00062       virtual ~atomic_prop();
00063 
00064       typedef std::pair<std::string, environment*> pair;
00065       typedef std::map<pair, atomic_prop*> map;
00066       static map instances;
00067 
00068     private:
00069       std::string name_;
00070       environment* env_;
00071     };
00072 
00073   }
00074 }
00075 
00076 #endif // SPOT_LTLAST_ATOMICPROP_HH

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