blob: 7ca77eea6d8c6a2c4631fd51d5dab20e8d46344d (
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/********************* */
/*! \file theory_bool_rewriter.h
** \verbatim
** Top contributors (to current version):
** Dejan Jovanovic, Morgan Deters, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2019 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.\endverbatim
**
** \brief [[ Add one-line brief description here ]]
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "cvc4_private.h"
#ifndef CVC4__THEORY__BOOLEANS__THEORY_BOOL_REWRITER_H
#define CVC4__THEORY__BOOLEANS__THEORY_BOOL_REWRITER_H
#include "theory/rewriter.h"
#include "theory/theory_rewriter.h"
namespace CVC4 {
namespace theory {
namespace booleans {
class TheoryBoolRewriter : public TheoryRewriter
{
public:
void registerRewrites(Rewriter* rewriter) override;
RewriteResponse preRewrite(TNode n) override;
RewriteResponse postRewrite(TNode n) override;
private:
/**
* Rewrites nodes of kind `NOT`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteNot(RewriteEnvironment* re, TNode n);
/**
* Rewrites nodes of kind `OR`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteOr(RewriteEnvironment* re, TNode n);
/**
* Rewrites nodes of kind `AND`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteAnd(RewriteEnvironment* re, TNode n);
/**
* Rewrites nodes of kind `IMPLIES`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteImplies(RewriteEnvironment* re, TNode n);
/**
* Rewrites nodes of kind `EQUAL`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteEqual(RewriteEnvironment* re, TNode n);
/**
* Rewrites nodes of kind `XOR`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteXor(RewriteEnvironment* re, TNode n);
/**
* Rewrites nodes of kind `ITE`.
*
* @param re The rewrite environment
* @param n The node to rewrite
* @return The result of rewriting `n`
*/
static RewriteResponse rewriteIte(RewriteEnvironment* re, TNode n);
}; /* class TheoryBoolRewriter */
}/* CVC4::theory::booleans namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* CVC4__THEORY__BOOLEANS__THEORY_BOOL_REWRITER_H */
|
