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misc/freelist.hh

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00001 // Copyright (C) 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 00023 #ifndef SPOT_MISC_FREELIST_HH 00024 # define SPOT_MISC_FREELIST_HH 00025 00026 #include <list> 00027 #include <utility> 00028 00029 namespace spot 00030 { 00031 00033 class free_list 00034 { 00035 public: 00036 virtual ~free_list(); 00037 00043 int register_n(int n); 00044 00046 void release_n(int base, int n); 00047 00049 std::ostream& dump_free_list(std::ostream& os) const; 00050 00052 void insert(int base, int n); 00053 00055 void remove(int base, int n = 0); 00056 00057 protected: 00058 00066 virtual int extend(int n) = 0; 00067 00069 typedef std::pair<int, int> pos_lenght_pair; 00070 typedef std::list<pos_lenght_pair> free_list_type; 00071 free_list_type fl; 00072 00074 void remove(free_list_type::iterator i, int base, int n); 00075 }; 00076 00077 } 00078 00079 #endif // SPOT_MISC_FREELIST_HH

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