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/********************* */
/*! \file theory.cpp
** \verbatim
** Original author: mdeters
** Major contributors: taking
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010, 2011 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Base for theory interface.
**
** Base for theory interface.
**/
#include "theory/theory.h"
#include "util/Assert.h"
#include <vector>
using namespace std;
namespace CVC4 {
namespace theory {
/** Default value for the uninterpreted sorts is the UF theory */
TheoryId Theory::s_uninterpretedSortOwner = THEORY_UF;
std::ostream& operator<<(std::ostream& os, Theory::Effort level){
switch(level){
case Theory::EFFORT_STANDARD:
os << "EFFORT_STANDARD"; break;
case Theory::EFFORT_FULL:
os << "EFFORT_FULL"; break;
case Theory::EFFORT_COMBINATION:
os << "EFFORT_COMBINATION"; break;
default:
Unreachable();
}
return os;
}/* ostream& operator<<(ostream&, Theory::Effort) */
void Theory::addSharedTermInternal(TNode n) {
Debug("sharing") << "Theory::addSharedTerm<" << getId() << ">(" << n << ")" << std::endl;
Debug("theory::assertions") << "Theory::addSharedTerm<" << getId() << ">(" << n << ")" << std::endl;
d_sharedTerms.push_back(n);
addSharedTerm(n);
}
void Theory::computeCareGraph() {
Debug("sharing") << "Theory::computeCareGraph<" << getId() << ">()" << std::endl;
for (unsigned i = 0; i < d_sharedTerms.size(); ++ i) {
TNode a = d_sharedTerms[i];
TypeNode aType = a.getType();
for (unsigned j = i + 1; j < d_sharedTerms.size(); ++ j) {
TNode b = d_sharedTerms[j];
if (b.getType() != aType) {
// We don't care about the terms of different types
continue;
}
switch (d_valuation.getEqualityStatus(a, b)) {
case EQUALITY_TRUE_AND_PROPAGATED:
case EQUALITY_FALSE_AND_PROPAGATED:
// If we know about it, we should have propagated it, so we can skip
break;
default:
// Let's split on it
addCarePair(a, b);
break;
}
}
}
}
void Theory::printFacts(std::ostream& os) const {
unsigned i, n = d_facts.size();
for(i = 0; i < n; i++){
const Assertion& a_i = d_facts[i];
Node assertion = a_i;
os << d_id << '[' << i << ']' << " " << assertion << endl;
}
}
void Theory::debugPrintFacts() const{
cout << "Theory::debugPrintFacts()" << endl;
printFacts(cout);
}
}/* CVC4::theory namespace */
}/* CVC4 namespace */
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