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tgtaproduct.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2011, 2012, 2013, 2014, 2016 Laboratoire de Recherche
3 // et Développement de l'Epita (LRDE).
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 #pragma once
21
22 #include <spot/twa/twa.hh>
23 #include <spot/twa/twaproduct.hh>
24 #include <spot/misc/fixpool.hh>
25 #include <spot/kripke/kripke.hh>
26 #include <spot/ta/tgta.hh>
27
28 namespace spot
29 {
30
32 class SPOT_API tgta_product : public twa_product
33 {
34 public:
35 tgta_product(const const_kripke_ptr& left,
36 const const_tgta_ptr& right);
37
38 virtual const state* get_init_state() const override;
39
40 virtual twa_succ_iterator*
41 succ_iter(const state* local_state) const override;
42 };
43
44 inline twa_ptr product(const const_kripke_ptr& left,
45 const const_tgta_ptr& right)
46 {
47 return std::make_shared<tgta_product>(left, right);
48 }
49
51 class SPOT_API tgta_succ_iterator_product final : public twa_succ_iterator
52 {
53 public:
54 tgta_succ_iterator_product(const state_product* s,
55 const const_kripke_ptr& k,
56 const const_tgta_ptr& tgta,
57 fixed_size_pool* pool);
58
59 virtual
60 ~tgta_succ_iterator_product();
61
62 // iteration
63 bool first() override;
64 bool next() override;
65 bool done() const override;
66
67 // inspection
68 state_product* dst() const override;
69 bdd cond() const override;
70 acc_cond::mark_t acc() const override;
71
72 private:
74 void
76 step_();
77 bool find_next_succ_();
78
79 void
80 next_kripke_dest();
81
83
84 protected:
85 const state_product* source_;
86 const_tgta_ptr tgta_;
87 const_kripke_ptr kripke_;
88 fixed_size_pool* pool_;
89 twa_succ_iterator* tgta_succ_it_;
90 twa_succ_iterator* kripke_succ_it_;
91 state_product* current_state_;
92 bdd current_condition_;
93 acc_cond::mark_t current_acceptance_conditions_;
94 bdd kripke_source_condition;
95 const state* kripke_current_dest_state;
96 };
97 }
spot
Definition: graph.hh:33
spot::twa_product
A lazy product. (States are computed on the fly.)
Definition: twaproduct.hh:82
spot::state
Abstract class for states.
Definition: twa.hh:50
spot::tgta_succ_iterator_product
Iterate over the successors of a product computed on the fly.
Definition: tgtaproduct.hh:51
spot::tgta_product
A lazy product. (States are computed on the fly.)
Definition: tgtaproduct.hh:32
spot::twa_succ_iterator
Iterate over the successors of a state.
Definition: twa.hh:397
spot::state_product
A state for spot::twa_product.
Definition: twaproduct.hh:36
spot::tgta
A Transition-based Generalized Testing Automaton (TGTA).
Definition: tgta.hh:59
spot::acc_cond::mark_t
Definition: acc.hh:34
spot::fixed_size_pool
A fixed-size memory pool implementation.
Definition: fixpool.hh:31

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