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/****************************************************************************** |
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* Top contributors (to current version): |
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* Abdalrhman Mohamed, Andrew Reynolds |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Reconstruct Type Info class implementation. |
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*/ |
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#include "theory/quantifiers/sygus/rcons_type_info.h" |
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#include "expr/skolem_manager.h" |
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#include "theory/datatypes/sygus_datatype_utils.h" |
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#include "theory/quantifiers/sygus/rcons_obligation.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace quantifiers { |
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void RConsTypeInfo::initialize(TermDbSygus* tds, |
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SygusStatistics& s, |
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TypeNode stn, |
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const std::vector<Node>& builtinVars) |
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{ |
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NodeManager* nm = NodeManager::currentNM(); |
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SkolemManager* sm = nm->getSkolemManager(); |
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d_enumerator.reset(new SygusEnumerator(tds, nullptr, s, true)); |
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d_enumerator->initialize(sm->mkDummySkolem("sygus_rcons", stn)); |
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d_crd.reset(new CandidateRewriteDatabase(true, false, true, false)); |
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// since initial samples are not always useful for equivalence checks, set |
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// their number to 0 |
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d_sygusSampler.initialize(stn, builtinVars, 0); |
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d_crd->initialize(builtinVars, &d_sygusSampler); |
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} |
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Node RConsTypeInfo::nextEnum() |
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{ |
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if (!d_enumerator->increment()) |
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{ |
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Trace("sygus-rcons") << "no increment" << std::endl; |
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return Node::null(); |
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} |
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Node sz = d_enumerator->getCurrent(); |
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Trace("sygus-rcons") << (sz == Node::null() |
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? sz |
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: datatypes::utils::sygusToBuiltin(sz)) |
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<< std::endl; |
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return sz; |
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} |
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Node RConsTypeInfo::addTerm(Node n) |
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{ |
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std::stringstream out; |
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return d_crd->addTerm(n, false, out); |
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} |
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void RConsTypeInfo::setBuiltinToOb(Node t, RConsObligation* ob) |
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{ |
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d_ob.emplace(t, ob); |
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} |
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RConsObligation* RConsTypeInfo::builtinToOb(Node t) |
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{ |
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auto it = d_ob.find(t); |
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if (it != d_ob.cend()) |
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{ |
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return it->second; |
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} |
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return nullptr; |
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} |
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} // namespace quantifiers |
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} // namespace theory |
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} // namespace cvc5 |