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bdddict.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2011, 2012, 2013, 2014, 2015 Laboratoire de Recherche
3 // et Développement de l'Epita (LRDE).
4 // Copyright (C) 2003, 2004, 2006 Laboratoire d'Informatique de Paris
5 // 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
6 // Université Pierre et Marie Curie.
7 //
8 // This file is part of Spot, a model checking library.
9 //
10 // Spot is free software; you can redistribute it and/or modify it
11 // under the terms of the GNU General Public License as published by
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13 // (at your option) any later version.
14 //
15 // Spot is distributed in the hope that it will be useful, but WITHOUT
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17 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
18 // License for more details.
19 //
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21 // along with this program. If not, see <http://www.gnu.org/licenses/>.
22 
23 #pragma once
24 
25 #include <list>
26 #include <set>
27 #include <map>
28 #include <iosfwd>
29 #include <bddx.h>
30 #include <vector>
31 #include <memory>
32 #include <spot/tl/formula.hh>
33 
34 namespace spot
35 {
37  class bdd_dict_priv;
38 
55  class SPOT_API bdd_dict
56  {
57  bdd_dict_priv* priv_;
58  public:
59 
60  bdd_dict();
61 
66  ~bdd_dict();
67 
69  typedef std::map<formula, int> fv_map;
71  typedef std::map<int, formula> vf_map;
72 
73  fv_map var_map;
74  fv_map acc_map;
75 
77  typedef std::set<const void*> ref_set;
78 
79  enum var_type { anon = 0, var, acc };
80  struct bdd_info {
81  bdd_info() : type(anon) {}
82  var_type type;
83  formula f; // Used unless t==anon.
84  ref_set refs;
85  int clone_counts;
86  };
87  typedef std::vector<bdd_info> bdd_info_map;
88  // Map BDD variables to their meaning.
89  bdd_info_map bdd_map;
90 
102  int register_proposition(formula f, const void* for_me);
103 
104  template <typename T>
105  int register_proposition(formula f, std::shared_ptr<T> for_me)
106  {
107  return register_proposition(f, for_me.get());
108  }
110 
117  int has_registered_proposition(formula f, const void* me);
118 
119  template <typename T>
120  int has_registered_proposition(formula f, std::shared_ptr<T> for_me)
121  {
122  return has_registered_proposition(f, for_me.get());
123  }
125 
126  // \brief return the BDD variable associated to a registered
127  // proposition.
128  //
129  // Throws std::out_of_range if the \a is not a known proposition.
130  int varnum(formula f)
131  {
132  return var_map.at(f);
133  }
134 
146  int register_acceptance_variable(formula f, const void* for_me);
147 
148  template <typename T>
149  int register_acceptance_variable(formula f, std::shared_ptr<T> for_me)
150  {
151  return register_acceptance_variable(f, for_me.get());
152  }
154 
163  int register_anonymous_variables(int n, const void* for_me);
164 
165  template <typename T>
166  int register_anonymous_variables(int n, std::shared_ptr<T> for_me)
167  {
168  return register_anonymous_variables(n, for_me.get());
169  }
171 
179  void register_all_variables_of(const void* from_other, const void* for_me);
180 
181  template <typename T>
182  void register_all_variables_of(const void* from_other,
183  std::shared_ptr<T> for_me)
184  {
185  register_all_variables_of(from_other, for_me.get());
186  }
187 
188  template <typename T>
189  void register_all_variables_of(std::shared_ptr<T> from_other,
190  const void* for_me)
191  {
192  register_all_variables_of(from_other.get(), for_me);
193  }
194 
195  template <typename T, typename U>
196  void register_all_variables_of(std::shared_ptr<T> from_other,
197  std::shared_ptr<U> for_me)
198  {
199  register_all_variables_of(from_other.get(), for_me.get());
200  }
202 
211  void register_all_propositions_of(const void* from_other,
212  const void* for_me);
213 
214  template <typename T>
215  void register_all_propositions_of(const void* from_other,
216  std::shared_ptr<T> for_me)
217  {
218  register_all_propositions_of(from_other, for_me.get());
219  }
220 
221  template <typename T>
222  void register_all_propositions_of(std::shared_ptr<T> from_other,
223  const void* for_me)
224  {
225  register_all_propositions_of(from_other.get(), for_me);
226  }
227 
228  template <typename T, typename U>
229  void register_all_propositions_of(std::shared_ptr<T> from_other,
230  std::shared_ptr<U> for_me)
231  {
232  register_all_propositions_of(from_other.get(), for_me.get());
233  }
235 
239  void unregister_all_my_variables(const void* me);
240 
243  void unregister_variable(int var, const void* me);
244 
245  template <typename T>
246  void unregister_variable(int var, std::shared_ptr<T> me)
247  {
248  unregister_variable(var, me.get());
249  }
251 
254  std::ostream& dump(std::ostream& os) const;
255 
267  void assert_emptiness() const;
268 
269  private:
270  // Disallow copy.
271  bdd_dict(const bdd_dict& other) = delete;
272  bdd_dict& operator=(const bdd_dict& other) = delete;
273  };
274 
275  typedef std::shared_ptr<bdd_dict> bdd_dict_ptr;
276 
277  inline bdd_dict_ptr make_bdd_dict()
278  {
279  return std::make_shared<bdd_dict>();
280  }
281 }
std::set< const void * > ref_set
BDD-variable reference counts.
Definition: bdddict.hh:77
Definition: graph.hh:32
std::map< int, formula > vf_map
BDD-variable-to-formula maps.
Definition: bdddict.hh:71
fv_map acc_map
Maps acceptance conditions to BDD variables.
Definition: bdddict.hh:74
std::map< formula, int > fv_map
Formula-to-BDD-variable maps.
Definition: bdddict.hh:69
void register_all_variables_of(std::shared_ptr< T > from_other, const void *for_me)
Duplicate the variable usage of another object.
Definition: bdddict.hh:189
LTL/PSL formula interface.
Main class for temporal logic formula.
Definition: formula.hh:669
void register_all_propositions_of(std::shared_ptr< T > from_other, const void *for_me)
Register the same propositions as another object.
Definition: bdddict.hh:222
void register_all_propositions_of(const void *from_other, std::shared_ptr< T > for_me)
Register the same propositions as another object.
Definition: bdddict.hh:215
Definition: bdddict.hh:80
Map BDD variables to formulae.
Definition: bdddict.hh:55
void unregister_variable(int var, std::shared_ptr< T > me)
Release a variable used by me.
Definition: bdddict.hh:246
void register_all_variables_of(std::shared_ptr< T > from_other, std::shared_ptr< U > for_me)
Duplicate the variable usage of another object.
Definition: bdddict.hh:196
int register_proposition(formula f, std::shared_ptr< T > for_me)
Register an atomic proposition.
Definition: bdddict.hh:105
int register_anonymous_variables(int n, std::shared_ptr< T > for_me)
Register anonymous BDD variables.
Definition: bdddict.hh:166
int register_acceptance_variable(formula f, std::shared_ptr< T > for_me)
Register an acceptance variable.
Definition: bdddict.hh:149
void register_all_propositions_of(std::shared_ptr< T > from_other, std::shared_ptr< U > for_me)
Register the same propositions as another object.
Definition: bdddict.hh:229
fv_map var_map
Maps atomic propositions to BDD variables.
Definition: bdddict.hh:73
int has_registered_proposition(formula f, std::shared_ptr< T > for_me)
whether a proposition has already been registered
Definition: bdddict.hh:120
void register_all_variables_of(const void *from_other, std::shared_ptr< T > for_me)
Duplicate the variable usage of another object.
Definition: bdddict.hh:182

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