summaryrefslogtreecommitdiff
path: root/src/theory/booleans/theory_bool.cpp
blob: 8fbe8395159bcf0861e302b76af4e91fa893cd2e (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
/*********************                                                        */
/*! \file theory_bool.cpp
 ** \verbatim
 ** Top contributors (to current version):
 **   Andrew Reynolds, Dejan Jovanovic, Morgan Deters
 ** 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 The theory of booleans.
 **
 ** The theory of booleans.
 **/

#include "theory/theory.h"
#include "theory/booleans/theory_bool.h"
#include "theory/booleans/circuit_propagator.h"
#include "theory/valuation.h"
#include "smt_util/boolean_simplification.h"
#include "theory/substitutions.h"

#include <vector>
#include <stack>
#include "util/hash.h"

using namespace std;

namespace CVC4 {
namespace theory {
namespace booleans {

Theory::PPAssertStatus TheoryBool::ppAssert(TNode in, SubstitutionMap& outSubstitutions) {

  if (in.getKind() == kind::CONST_BOOLEAN && !in.getConst<bool>()) {
    // If we get a false literal, we're in conflict
    return PP_ASSERT_STATUS_CONFLICT;
  }

  // Add the substitution from the variable to its value
  if (in.getKind() == kind::NOT) {
    if (in[0].isVar())
    {
      outSubstitutions.addSubstitution(in[0], NodeManager::currentNM()->mkConst<bool>(false));
      return PP_ASSERT_STATUS_SOLVED;
    }
  } else {
    if (in.isVar())
    {
      outSubstitutions.addSubstitution(in, NodeManager::currentNM()->mkConst<bool>(true));
      return PP_ASSERT_STATUS_SOLVED;
    }
  }

  return Theory::ppAssert(in, outSubstitutions);
}

/*
void TheoryBool::check(Effort level) {
  if (done() && !fullEffort(level)) {
    return;
  }
  while (!done())
  {
    // Get all the assertions
    Assertion assertion = get();
    TNode fact = assertion.assertion;
  }
  if( Theory::fullEffort(level) ){
  }
}  
*/

}/* CVC4::theory::booleans namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
generated by cgit on debian on lair
contact matthew@masot.net with questions or feedback