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ltlast/unop.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_UNOP_HH 00025 # define SPOT_LTLAST_UNOP_HH 00026 00027 #include <map> 00028 #include "refformula.hh" 00029 00030 namespace spot 00031 { 00032 namespace ltl 00033 { 00034 00036 class unop : public ref_formula 00037 { 00038 public: 00039 enum type { Not, X, F, G }; 00040 00043 static unop* instance(type op, formula* child); 00044 00045 virtual void accept(visitor& v); 00046 virtual void accept(const_visitor& v) const; 00047 00049 const formula* child() const; 00051 formula* child(); 00052 00054 type op() const; 00056 const char* op_name() const; 00057 00059 static unsigned instance_count(); 00060 00061 protected: 00062 typedef std::pair<type, formula*> pair; 00063 typedef std::map<pair, formula*> map; 00064 static map instances; 00065 00066 unop(type op, formula* child); 00067 virtual ~unop(); 00068 00069 private: 00070 type op_; 00071 formula* child_; 00072 }; 00073 00074 } 00075 } 00076 00077 #endif // SPOT_LTLAST_UNOP_HH

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