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/********************* */
/*! \file model_postprocessor.cpp
** \verbatim
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009-2012 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief
**
**
**/
#include "smt/model_postprocessor.h"
using namespace CVC4;
using namespace CVC4::smt;
void ModelPostprocessor::visit(TNode current, TNode parent) {
Debug("tuprec") << "visiting " << current << std::endl;
Assert(!alreadyVisited(current, TNode::null()));
if(current.getType().hasAttribute(expr::DatatypeTupleAttr())) {
Assert(current.getKind() == kind::APPLY_CONSTRUCTOR);
NodeBuilder<> b(kind::TUPLE);
for(TNode::iterator i = current.begin(); i != current.end(); ++i) {
Assert(alreadyVisited(*i, TNode::null()));
TNode n = d_nodes[*i];
b << (n.isNull() ? *i : n);
}
d_nodes[current] = b;
Debug("tuprec") << "returning " << d_nodes[current] << std::endl;
} else if(current.getType().hasAttribute(expr::DatatypeRecordAttr())) {
Assert(current.getKind() == kind::APPLY_CONSTRUCTOR);
NodeBuilder<> b(kind::RECORD);
b << current.getType().getAttribute(expr::DatatypeRecordAttr());
for(TNode::iterator i = current.begin(); i != current.end(); ++i) {
Assert(alreadyVisited(*i, TNode::null()));
TNode n = d_nodes[*i];
b << (n.isNull() ? *i : n);
}
d_nodes[current] = b;
Debug("tuprec") << "returning " << d_nodes[current] << std::endl;
} else {
Debug("tuprec") << "returning self" << std::endl;
// rewrite to self
d_nodes[current] = Node::null();
}
}/* ModelPostprocessor::visit() */
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