spot  0.9.2
freelist.hh
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1 // Copyright (C) 2008 Laboratoire de Recherche et Développement
2 // de l'Epita (LRDE).
3 // Copyright (C) 2004, 2006 Laboratoire d'Informatique de Paris 6 (LIP6),
4 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
5 // et Marie Curie.
6 //
7 // This file is part of Spot, a model checking library.
8 //
9 // Spot is free software; you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
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16 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
17 // License for more details.
18 //
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21 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 
24 
25 #ifndef SPOT_MISC_FREELIST_HH
26 # define SPOT_MISC_FREELIST_HH
27 
28 #include <list>
29 #include <utility>
30 #include <iosfwd>
31 
32 namespace spot
33 {
34 
37  class free_list
38  {
39  public:
40  virtual ~free_list();
41 
47  int register_n(int n);
48 
50  void release_n(int base, int n);
51 
53  std::ostream& dump_free_list(std::ostream& os) const;
54 
56  void insert(int base, int n);
57 
59  void remove(int base, int n = 0);
60 
62  int free_count() const;
63 
64  protected:
65 
73  virtual int extend(int n) = 0;
74 
76  typedef std::pair<int, int> pos_lenght_pair;
77  typedef std::list<pos_lenght_pair> free_list_type;
79 
81  void remove(free_list_type::iterator i, int base, int n);
82  };
83 
84 }
85 
86 #endif // SPOT_MISC_FREELIST_HH

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