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 00022 #ifndef SPOT_LTLVISIT_CLONE_HH 00023 # define SPOT_LTLVISIT_CLONE_HH 00024 00025 #include "ltlast/formula.hh" 00026 #include "ltlast/visitor.hh" 00027 00028 namespace spot 00029 { 00030 namespace ltl 00031 { 00039 class clone_visitor : public visitor 00040 { 00041 public: 00042 clone_visitor(); 00043 virtual ~clone_visitor(); 00044 00045 formula* result() const; 00046 00047 void visit(atomic_prop* ap); 00048 void visit(unop* uo); 00049 void visit(binop* bo); 00050 void visit(multop* mo); 00051 void visit(constant* c); 00052 00053 virtual formula* recurse(formula* f); 00054 00055 protected: 00056 formula* result_; 00057 }; 00058 00061 formula* clone(const formula* f); 00062 } 00063 } 00064 00065 #endif // SPOT_LTLVISIT_LUNABBREV_HH