00001 // Copyright (C) 2003 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 00022 #ifndef SPOT_LTLAST_MULTOP_HH 00023 # define SPOT_LTLAST_MULTOP_HH 00024 00025 #include <vector> 00026 #include <map> 00027 #include "refformula.hh" 00028 00029 namespace spot 00030 { 00031 namespace ltl 00032 { 00033 00037 class multop : public ref_formula 00038 { 00039 public: 00040 enum type { Or, And }; 00041 00043 typedef std::vector<formula*> vec; 00044 00057 static formula* instance(type op, formula* first, formula* second); 00058 00071 static formula* instance(type op, vec* v); 00072 00073 virtual void accept(visitor& v); 00074 virtual void accept(const_visitor& v) const; 00075 00077 unsigned size() const; 00081 const formula* nth(unsigned n) const; 00085 formula* nth(unsigned n); 00086 00088 type op() const; 00090 const char* op_name() const; 00091 00093 static unsigned instance_count(); 00094 00095 protected: 00096 typedef std::pair<type, vec*> pair; 00098 struct paircmp 00099 { 00100 bool 00101 operator () (const pair& p1, const pair& p2) const 00102 { 00103 if (p1.first != p2.first) 00104 return p1.first < p2.first; 00105 return *p1.second < *p2.second; 00106 } 00107 }; 00108 typedef std::map<pair, formula*, paircmp> map; 00109 static map instances; 00110 00111 multop(type op, vec* v); 00112 virtual ~multop(); 00113 00114 private: 00115 type op_; 00116 vec* children_; 00117 }; 00118 00119 } 00120 } 00121 00122 #endif // SPOT_LTLAST_MULTOP_HH