spot  1.0
reachiter.hh
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1 // Copyright (C) 2010 Laboratoire de Recherche et Developpement
2 // de l Epita (LRDE).
3 //
4 //
5 // This file is part of Spot, a model checking library.
6 //
7 // Spot is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3 of the License, or
10 // (at your option) any later version.
11 //
12 // Spot is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 // License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program. If not, see <http://www.gnu.org/licenses/>.
19 
20 #ifndef SPOT_TAALGOS_REACHITER_HH
21 # define SPOT_TAALGOS_REACHITER_HH
22 
23 #include "misc/hash.hh"
24 #include "ta/ta.hh"
25 #include <stack>
26 #include <deque>
27 
28 namespace spot
29 {
33  {
34  public:
35  ta_reachable_iterator(const ta* a);
36  virtual
38 
44  void
45  run();
46 
54  virtual void
55  add_state(const state* s) = 0;
57  virtual const state*
58  next_state() = 0;
60 
63  virtual bool
64  want_state(const state* s) const;
65 
67  virtual void
68  start();
70  virtual void
71  end();
72 
78  virtual void
79  process_state(const state* s, int n);
92  virtual void
93  process_link(int in, int out, const ta_succ_iterator* si);
94 
95  protected:
96 
97  const ta* t_automata_;
98 
99  typedef Sgi::hash_map<const state*, int, state_ptr_hash, state_ptr_equal>
102  };
103 
108  {
109  public:
111 
112  virtual void
113  add_state(const state* s);
114  virtual const state*
115  next_state();
116 
117  protected:
118  std::stack<const state*> todo;
119  };
120 
125  {
126  public:
128 
129  virtual void
130  add_state(const state* s);
131  virtual const state*
132  next_state();
133 
134  protected:
135  std::deque<const state*> todo;
136  };
137 
138 }
139 
140 #endif // SPOT_TAALGOS_REACHITER_HH

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