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/********************* */
/*! \file theory_test_utils.h
** \verbatim
** Original author: taking
** Major contributors: mdeters
** 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 Common utilities for testing theories
**
** Common utilities for testing theories.
**/
#include "cvc4_public.h"
#ifndef __CVC4__THEORY__THEORY_TEST_UTILS_H
#define __CVC4__THEORY__THEORY_TEST_UTILS_H
#include "util/Assert.h"
#include "expr/node.h"
#include "theory/output_channel.h"
#include "theory/interrupted.h"
#include <vector>
#include <utility>
#include <iostream>
namespace CVC4 {
namespace theory {
/**
* Very basic OutputChannel for testing simple Theory Behaviour.
* Stores a call sequence for the output channel
*/
enum OutputChannelCallType {
CONFLICT,
PROPAGATE,
PROPAGATE_AS_DECISION,
AUG_LEMMA,
LEMMA,
EXPLANATION
};/* enum OutputChannelCallType */
}/* CVC4::theory namespace */
inline std::ostream& operator<<(std::ostream& out, theory::OutputChannelCallType type) {
switch(type) {
case theory::CONFLICT: return out << "CONFLICT";
case theory::PROPAGATE: return out << "PROPAGATE";
case theory::PROPAGATE_AS_DECISION: return out << "PROPAGATE_AS_DECISION";
case theory::AUG_LEMMA: return out << "AUG_LEMMA";
case theory::LEMMA: return out << "LEMMA";
case theory::EXPLANATION: return out << "EXPLANATION";
default: return out << "UNDEFINED-OutputChannelCallType!" << int(type);
}
}
namespace theory {
class TestOutputChannel : public theory::OutputChannel {
public:
std::vector< std::pair<enum OutputChannelCallType, Node> > d_callHistory;
TestOutputChannel() {}
~TestOutputChannel() {}
void safePoint() throw(Interrupted, AssertionException) {}
void conflict(TNode n)
throw(AssertionException) {
push(CONFLICT, n);
}
bool propagate(TNode n)
throw(AssertionException) {
push(PROPAGATE, n);
return true;
}
void propagateAsDecision(TNode n)
throw(AssertionException) {
push(PROPAGATE_AS_DECISION, n);
}
LemmaStatus lemma(TNode n, bool removable) throw(AssertionException) {
push(LEMMA, n);
return LemmaStatus(Node::null(), 0);
}
void requirePhase(TNode, bool) throw(Interrupted, AssertionException) {
}
bool flipDecision() throw(Interrupted, AssertionException) {
return true;
}
void setIncomplete() throw(AssertionException) {}
void clear() {
d_callHistory.clear();
}
Node getIthNode(int i) {
Node tmp = (d_callHistory[i]).second;
return tmp;
}
OutputChannelCallType getIthCallType(int i) {
return (d_callHistory[i]).first;
}
unsigned getNumCalls() {
return d_callHistory.size();
}
void printIth(std::ostream& os, int i){
os << "[TestOutputChannel " << i;
os << " " << getIthCallType(i);
os << " " << getIthNode(i) << "]";
}
private:
void push(OutputChannelCallType call, TNode n) {
d_callHistory.push_back(std::make_pair(call, n));
}
};/* class TestOutputChannel */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* __CVC4__THEORY__THEORY_TEST_UTILS_H */
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