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/********************* */
/*! \file skolemization_manager.cpp
** \verbatim
** Top contributors (to current version):
** Guy Katz
** This file is part of the CVC4 project.
** Copyright (c) 2009-2016 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
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "proof/skolemization_manager.h"
namespace CVC4 {
void SkolemizationManager::registerSkolem(Node disequality, Node skolem) {
Debug("pf::pm") << "SkolemizationManager: registerSkolem: disequality = " << disequality << ", skolem = " << skolem << std::endl;
if (isSkolem(skolem)) {
Assert(d_skolemToDisequality[skolem] == disequality);
return;
}
d_disequalityToSkolem[disequality] = skolem;
d_skolemToDisequality[skolem] = disequality;
}
bool SkolemizationManager::hasSkolem(Node disequality) {
return (d_disequalityToSkolem.find(disequality) != d_disequalityToSkolem.end());
}
Node SkolemizationManager::getSkolem(Node disequality) {
Debug("pf::pm") << "SkolemizationManager: getSkolem( ";
Assert (d_disequalityToSkolem.find(disequality) != d_disequalityToSkolem.end());
Debug("pf::pm") << disequality << " ) = " << d_disequalityToSkolem[disequality] << std::endl;
return d_disequalityToSkolem[disequality];
}
Node SkolemizationManager::getDisequality(Node skolem) {
Assert (d_skolemToDisequality.find(skolem) != d_skolemToDisequality.end());
return d_skolemToDisequality[skolem];
}
bool SkolemizationManager::isSkolem(Node skolem) {
return (d_skolemToDisequality.find(skolem) != d_skolemToDisequality.end());
}
void SkolemizationManager::clear() {
Debug("pf::pm") << "SkolemizationManager: clear" << std::endl;
d_disequalityToSkolem.clear();
d_skolemToDisequality.clear();
}
std::hash_map<Node, Node, NodeHashFunction>::const_iterator SkolemizationManager::begin() {
return d_disequalityToSkolem.begin();
}
std::hash_map<Node, Node, NodeHashFunction>::const_iterator SkolemizationManager::end() {
return d_disequalityToSkolem.end();
}
} /* CVC4 namespace */
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