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/********************* */
/*! \file theory_bool.cpp
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Andrew Reynolds, Dejan Jovanovic
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 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 */
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