blob: a74515d37c9604263a10306b76249658f06877d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/******************************************************************************
* Top contributors (to current version):
* Mudathir Mohamed, Gereon Kremer
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* The inference manager for the theory of bags.
*/
#include "cvc5_private.h"
#ifndef CVC5__THEORY__BAGS__INFERENCE_MANAGER_H
#define CVC5__THEORY__BAGS__INFERENCE_MANAGER_H
#include "theory/inference_manager_buffered.h"
namespace cvc5 {
namespace theory {
namespace bags {
class SolverState;
/** Inference manager
*
* This class manages inferences produced by the theory of bags. It manages
* whether inferences are processed as external lemmas on the output channel
* of theory of bags or internally as literals asserted to the equality engine
* of theory of bags. The latter literals are referred to as "facts".
*/
class InferenceManager : public InferenceManagerBuffered
{
typedef context::CDHashSet<Node, NodeHashFunction> NodeSet;
public:
InferenceManager(Theory& t, SolverState& s, ProofNodeManager* pnm);
/**
* Do pending method. This processes all pending facts, lemmas and pending
* phase requests based on the policy of this manager. This means that
* we process the pending facts first and abort if in conflict. Otherwise, we
* process the pending lemmas and then the pending phase requirements.
* Notice that we process the pending lemmas even if there were facts.
*/
// TODO issue #78: refactor this with theory of strings
void doPending();
private:
/** constants */
Node d_true;
Node d_false;
/**
* Reference to the state object for the theory of bags. We store the
* (derived) state here, since it has additional methods required in this
* class.
*/
SolverState& d_state;
};
} // namespace bags
} // namespace theory
} // namespace cvc5
#endif /* CVC5__THEORY__BAGS__INFERENCE_MANAGER_H */
|
