spot  2.5.2
taproduct.hh
1 // -*- coding: utf-8 -*-
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3 // et Développement de l'Epita (LRDE).
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19 
20 #pragma once
21 
22 #include <spot/ta/ta.hh>
23 #include <spot/kripke/kripke.hh>
24 
25 namespace spot
26 {
27 
33  class SPOT_API state_ta_product : public state
34  {
35  public:
39  state_ta_product(const state* ta_state, const state* kripke_state) :
40  ta_state_(ta_state), kripke_state_(kripke_state)
41  {
42  }
43 
44  state_ta_product(const state_ta_product& o) = delete;
45 
46  virtual
48 
49  const state*
50  get_ta_state() const
51  {
52  return ta_state_;
53  }
54 
55  const state*
56  get_kripke_state() const
57  {
58  return kripke_state_;
59  }
60 
61  virtual int
62  compare(const state* other) const override;
63  virtual size_t
64  hash() const override;
65  virtual state_ta_product*
66  clone() const override;
67 
68  private:
69  const state* ta_state_;
70  const state* kripke_state_;
71  };
72 
75  {
76  public:
77  ta_succ_iterator_product(const state_ta_product* s, const ta* t,
78  const kripke* k);
79 
80  virtual
82 
83  // iteration
84  virtual bool first() override;
85  virtual bool next() override;
86  virtual bool done() const override;
87 
88  // inspection
89  virtual state_ta_product* dst() const override;
90  virtual bdd cond() const override;
91  virtual acc_cond::mark_t acc() const override;
92 
94  bool is_stuttering_transition() const;
95 
96  protected:
98  void step_();
100  bool next_non_stuttering_();
101 
103  void
104  next_kripke_dest();
105 
107 
108  protected:
109  const state_ta_product* source_;
110  const ta* ta_;
111  const kripke* kripke_;
112  ta_succ_iterator* ta_succ_it_;
113  twa_succ_iterator* kripke_succ_it_;
114  const state_ta_product* current_state_;
115  bdd current_condition_;
116  acc_cond::mark_t current_acceptance_conditions_;
117  bool is_stuttering_transition_;
118  bdd kripke_source_condition;
119  const state* kripke_current_dest_state;
120 
121  };
122 
126  class SPOT_API ta_product final: public ta
127  {
128  public:
132  ta_product(const const_ta_ptr& testing_automaton,
133  const const_kripke_ptr& kripke_structure);
134 
135  virtual
136  ~ta_product();
137 
138  virtual ta::const_states_set_t
139  get_initial_states_set() const override;
140 
141  virtual ta_succ_iterator_product*
142  succ_iter(const spot::state* s) const override;
143 
144  virtual ta_succ_iterator_product*
145  succ_iter(const spot::state* s, bdd changeset) const override;
146 
147  bdd_dict_ptr
148  get_dict() const;
149 
150  virtual std::string
151  format_state(const spot::state* s) const override;
152 
153  virtual bool
154  is_accepting_state(const spot::state* s) const override;
155 
156  virtual bool
157  is_livelock_accepting_state(const spot::state* s) const override;
158 
159  virtual bool
160  is_initial_state(const spot::state* s) const override;
161 
164  bool
165  is_hole_state_in_ta_component(const spot::state* s) const;
166 
167  virtual bdd
168  get_state_condition(const spot::state* s) const override;
169 
170  virtual void
171  free_state(const spot::state* s) const override;
172 
173  const const_ta_ptr&
174  get_ta() const
175  {
176  return ta_;
177  }
178 
179  const const_kripke_ptr&
180  get_kripke() const
181  {
182  return kripke_;
183  }
184 
185  private:
186  bdd_dict_ptr dict_;
187  const_ta_ptr ta_;
188  const_kripke_ptr kripke_;
189 
190  // Disallow copy.
191  ta_product(const ta_product&) = delete;
192  ta_product& operator=(const ta_product&) = delete;
193  };
194 
195 
196  typedef std::shared_ptr<ta_product> ta_product_ptr;
197  typedef std::shared_ptr<const ta_product> const_ta_product_ptr;
198  inline ta_product_ptr product(const const_ta_ptr& testing_automaton,
199  const const_kripke_ptr& kripke_structure)
200  {
201  return std::make_shared<ta_product>(testing_automaton, kripke_structure);
202  }
203 
206  {
207  public:
209  const ta* t, const kripke* k,
210  bdd changeset);
211 
213  void next_kripke_dest();
214  };
215 }
Definition: automata.hh:26
A lazy product between a Testing automaton and a Kripke structure. (States are computed on the fly...
Definition: taproduct.hh:126
Interface for a Kripke structure.
Definition: kripke.hh:90
Abstract class for states.
Definition: twa.hh:50
twa_graph_ptr product(const const_twa_graph_ptr &left, const const_twa_graph_ptr &right)
Intersect two automata using a synchronous product.
Iterate over the successors of a state.
Definition: twa.hh:397
Iterate over the successors of a product computed on the fly.
Definition: taproduct.hh:74
A Testing Automaton.
Definition: ta.hh:75
state_ta_product(const state *ta_state, const state *kripke_state)
Constructor.
Definition: taproduct.hh:39
A state for spot::ta_product.
Definition: taproduct.hh:33
Iterate over the successors of a state.
Definition: ta.hh:197
Definition: acc.hh:40

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