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/********************* */
/*! \file inference_manager_buffered.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 A buffered inference manager
**/
#include "theory/inference_manager_buffered.h"
#include "theory/rewriter.h"
#include "theory/theory.h"
using namespace CVC4::kind;
namespace CVC4 {
namespace theory {
InferenceManagerBuffered::InferenceManagerBuffered(Theory& t,
TheoryState& state,
ProofNodeManager* pnm)
: TheoryInferenceManager(t, state, pnm)
{
}
bool InferenceManagerBuffered::hasProcessed() const
{
return d_theoryState.isInConflict() || !d_pendingLem.empty()
|| !d_pendingFact.empty();
}
bool InferenceManagerBuffered::hasPendingFact() const
{
return !d_pendingFact.empty();
}
bool InferenceManagerBuffered::hasPendingLemma() const
{
return !d_pendingLem.empty();
}
void InferenceManagerBuffered::addPendingLemma(Node lem,
LemmaProperty p,
ProofGenerator* pg)
{
// make the simple theory lemma
d_pendingLem.push_back(std::make_shared<SimpleTheoryLemma>(lem, p, pg));
}
void InferenceManagerBuffered::addPendingLemma(
std::shared_ptr<TheoryInference> lemma)
{
d_pendingLem.emplace_back(std::move(lemma));
}
void InferenceManagerBuffered::addPendingFact(Node conc,
Node exp,
ProofGenerator* pg)
{
// make a simple theory internal fact
Assert(conc.getKind() != AND && conc.getKind() != OR);
d_pendingFact.push_back(
std::make_shared<SimpleTheoryInternalFact>(conc, exp, pg));
}
void InferenceManagerBuffered::addPendingFact(
std::shared_ptr<TheoryInference> fact)
{
d_pendingFact.emplace_back(std::move(fact));
}
void InferenceManagerBuffered::addPendingPhaseRequirement(Node lit, bool pol)
{
// must ensure rewritten
lit = Rewriter::rewrite(lit);
d_pendingReqPhase[lit] = pol;
}
void InferenceManagerBuffered::doPendingFacts()
{
size_t i = 0;
while (!d_theoryState.isInConflict() && i < d_pendingFact.size())
{
// process this fact, which notice may enqueue more pending facts in this
// loop.
d_pendingFact[i]->process(this);
i++;
}
d_pendingFact.clear();
}
void InferenceManagerBuffered::doPendingLemmas()
{
for (const std::shared_ptr<TheoryInference>& plem : d_pendingLem)
{
// process this lemma
plem->process(this);
}
d_pendingLem.clear();
}
void InferenceManagerBuffered::doPendingPhaseRequirements()
{
// process the pending require phase calls
for (const std::pair<const Node, bool>& prp : d_pendingReqPhase)
{
d_out.requirePhase(prp.first, prp.second);
}
d_pendingReqPhase.clear();
}
void InferenceManagerBuffered::clearPendingFacts() { d_pendingFact.clear(); }
void InferenceManagerBuffered::clearPendingLemmas() { d_pendingLem.clear(); }
void InferenceManagerBuffered::clearPendingPhaseRequirements()
{
d_pendingReqPhase.clear();
}
} // namespace theory
} // namespace CVC4
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