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/********************* */
/*! \file theory_inference.cpp
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 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 inference utility
**/
#include "theory/theory_inference.h"
#include "theory/theory_inference_manager.h"
using namespace CVC4::kind;
namespace CVC4 {
namespace theory {
SimpleTheoryLemma::SimpleTheoryLemma(Node n,
LemmaProperty p,
ProofGenerator* pg)
: d_node(n), d_property(p), d_pg(pg)
{
}
bool SimpleTheoryLemma::process(TheoryInferenceManager* im, bool asLemma)
{
Assert(!d_node.isNull());
Assert(asLemma);
// send (trusted) lemma on the output channel with property p
return im->trustedLemma(TrustNode::mkTrustLemma(d_node, d_pg), d_property);
}
SimpleTheoryInternalFact::SimpleTheoryInternalFact(Node conc,
Node exp,
ProofGenerator* pg)
: d_conc(conc), d_exp(exp), d_pg(pg)
{
}
bool SimpleTheoryInternalFact::process(TheoryInferenceManager* im, bool asLemma)
{
Assert(!asLemma);
bool polarity = d_conc.getKind() != NOT;
TNode atom = polarity ? d_conc : d_conc[0];
// no double negation or conjunctive conclusions
Assert(atom.getKind() != NOT && atom.getKind() != AND);
if (d_pg != nullptr)
{
im->assertInternalFact(atom, polarity, {d_exp}, d_pg);
}
else
{
im->assertInternalFact(atom, polarity, d_exp);
}
return true;
}
} // namespace theory
} // namespace CVC4
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