00001 // Copyright (C) 2009 Laboratoire de Recherche et Développement 00002 // de l'Epita (LRDE). 00003 // Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 00004 // 6 (LIP6), département Systèmes Répartis Coopératifs (SRC), 00005 // Université Pierre et Marie Curie. 00006 // 00007 // This file is part of Spot, a model checking library. 00008 // 00009 // Spot is free software; you can redistribute it and/or modify it 00010 // under the terms of the GNU General Public License as published by 00011 // the Free Software Foundation; either version 2 of the License, or 00012 // (at your option) any later version. 00013 // 00014 // Spot is distributed in the hope that it will be useful, but WITHOUT 00015 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 00016 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 00017 // License for more details. 00018 // 00019 // You should have received a copy of the GNU General Public License 00020 // along with Spot; see the file COPYING. If not, write to the Free 00021 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 00022 // 02111-1307, USA. 00023 00026 #ifndef SPOT_LTLAST_UNOP_HH 00027 # define SPOT_LTLAST_UNOP_HH 00028 00029 #include <map> 00030 #include <iosfwd> 00031 #include "refformula.hh" 00032 00033 namespace spot 00034 { 00035 namespace ltl 00036 { 00037 00040 class unop : public ref_formula 00041 { 00042 public: 00043 enum type { Not, X, F, G, Finish }; // Finish is used in ELTL formulae. 00044 00047 static unop* instance(type op, formula* child); 00048 00049 virtual void accept(visitor& v); 00050 virtual void accept(const_visitor& v) const; 00051 00053 const formula* child() const; 00055 formula* child(); 00056 00058 type op() const; 00060 const char* op_name() const; 00061 00063 virtual std::string dump() const; 00064 00066 static unsigned instance_count(); 00067 00069 static std::ostream& dump_instances(std::ostream& os); 00070 00071 protected: 00072 typedef std::pair<type, formula*> pair; 00073 typedef std::map<pair, unop*> map; 00074 static map instances; 00075 00076 unop(type op, formula* child); 00077 virtual ~unop(); 00078 00079 private: 00080 type op_; 00081 formula* child_; 00082 }; 00083 00084 } 00085 } 00086 00087 #endif // SPOT_LTLAST_UNOP_HH