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/********************* */
/*! \file expr_miner_manager.cpp
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds
** 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 Implementation of expression miner manager.
**/
#include "theory/quantifiers/expr_miner_manager.h"
namespace CVC4 {
namespace theory {
namespace quantifiers {
ExpressionMinerManager::ExpressionMinerManager()
: d_doRewSynth(false),
d_use_sygus_type(false),
d_qe(nullptr),
d_tds(nullptr)
{
}
void ExpressionMinerManager::initialize(const std::vector<Node>& vars,
TypeNode tn,
unsigned nsamples,
bool unique_type_ids)
{
d_doRewSynth = false;
d_sygus_fun = Node::null();
d_use_sygus_type = false;
d_qe = nullptr;
d_tds = nullptr;
// initialize the sampler
d_sampler.initialize(tn, vars, nsamples, unique_type_ids);
}
void ExpressionMinerManager::initializeSygus(QuantifiersEngine* qe,
Node f,
unsigned nsamples,
bool useSygusType)
{
d_doRewSynth = false;
d_sygus_fun = f;
d_use_sygus_type = useSygusType;
d_qe = qe;
d_tds = qe->getTermDatabaseSygus();
// initialize the sampler
d_sampler.initializeSygus(d_tds, f, nsamples, useSygusType);
}
void ExpressionMinerManager::enableRewriteRuleSynth()
{
if (d_doRewSynth)
{
// already enabled
return;
}
d_doRewSynth = true;
std::vector<Node> vars;
d_sampler.getVariables(vars);
// initialize the candidate rewrite database
if (!d_sygus_fun.isNull())
{
Assert(d_qe != nullptr);
d_crd.initializeSygus(vars, d_qe, d_sygus_fun, &d_sampler);
}
else
{
d_crd.initialize(vars, &d_sampler);
}
d_crd.setExtendedRewriter(&d_ext_rew);
d_crd.setSilent(false);
}
bool ExpressionMinerManager::addTerm(Node sol,
std::ostream& out,
bool& rew_print)
{
return d_crd.addTerm(sol, out, rew_print);
}
bool ExpressionMinerManager::addTerm(Node sol, std::ostream& out)
{
bool rew_print = false;
return addTerm(sol, out, rew_print);
}
} // namespace quantifiers
} // namespace theory
} // namespace CVC4
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