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/********************* */
/*! \file result.cpp
** \verbatim
** Original author: Morgan Deters
** Major contributors: none
** Minor contributors (to current version): Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2013 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Encapsulation of the result of a query.
**
** Encapsulation of the result of a query.
**/
#include <iostream>
#include <algorithm>
#include <string>
#include <cctype>
#include "util/result.h"
#include "util/cvc4_assert.h"
#include "printer/printer.h"
using namespace std;
namespace CVC4 {
Result::Result(const std::string& instr) :
d_sat(SAT_UNKNOWN),
d_validity(VALIDITY_UNKNOWN),
d_which(TYPE_NONE),
d_unknownExplanation(UNKNOWN_REASON) {
string s = instr;
transform(s.begin(), s.end(), s.begin(), ::tolower);
if(s == "sat" || s == "satisfiable") {
d_which = TYPE_SAT;
d_sat = SAT;
} else if(s == "unsat" || s == "unsatisfiable") {
d_which = TYPE_SAT;
d_sat = UNSAT;
} else if(s == "valid") {
d_which = TYPE_VALIDITY;
d_validity = VALID;
} else if(s == "invalid") {
d_which = TYPE_VALIDITY;
d_validity = INVALID;
} else if(s == "incomplete") {
d_which = TYPE_SAT;
d_sat = SAT_UNKNOWN;
d_unknownExplanation = INCOMPLETE;
} else if(s == "timeout") {
d_which = TYPE_SAT;
d_sat = SAT_UNKNOWN;
d_unknownExplanation = TIMEOUT;
} else if(s == "resourceout") {
d_which = TYPE_SAT;
d_sat = SAT_UNKNOWN;
d_unknownExplanation = RESOURCEOUT;
} else if(s == "memout") {
d_which = TYPE_SAT;
d_sat = SAT_UNKNOWN;
d_unknownExplanation = MEMOUT;
} else if(s == "interrupted") {
d_which = TYPE_SAT;
d_sat = SAT_UNKNOWN;
d_unknownExplanation = INTERRUPTED;
} else if(s.size() >= 7 && s.compare(0, 7, "unknown") == 0) {
d_which = TYPE_SAT;
d_sat = SAT_UNKNOWN;
} else {
IllegalArgument(s, "expected satisfiability/validity result, "
"instead got `%s'", s.c_str());
}
}
bool Result::operator==(const Result& r) const throw() {
if(d_which != r.d_which) {
return false;
}
if(d_which == TYPE_SAT) {
return d_sat == r.d_sat &&
( d_sat != SAT_UNKNOWN ||
d_unknownExplanation == r.d_unknownExplanation );
}
if(d_which == TYPE_VALIDITY) {
return d_validity == r.d_validity &&
( d_validity != VALIDITY_UNKNOWN ||
d_unknownExplanation == r.d_unknownExplanation );
}
return false;
}
bool operator==(enum Result::Sat sr, const Result& r) throw() {
return r == sr;
}
bool operator==(enum Result::Validity vr, const Result& r) throw() {
return r == vr;
}
bool operator!=(enum Result::Sat s, const Result& r) throw(){
return !(s == r);
}
bool operator!=(enum Result::Validity v, const Result& r) throw(){
return !(v == r);
}
Result Result::asSatisfiabilityResult() const throw() {
if(d_which == TYPE_SAT) {
return *this;
}
if(d_which == TYPE_VALIDITY) {
switch(d_validity) {
case INVALID:
return Result(SAT);
case VALID:
return Result(UNSAT);
case VALIDITY_UNKNOWN:
return Result(SAT_UNKNOWN, d_unknownExplanation);
default:
Unhandled(d_validity);
}
}
// TYPE_NONE
return Result(SAT_UNKNOWN, NO_STATUS);
}
Result Result::asValidityResult() const throw() {
if(d_which == TYPE_VALIDITY) {
return *this;
}
if(d_which == TYPE_SAT) {
switch(d_sat) {
case SAT:
return Result(INVALID);
case UNSAT:
return Result(VALID);
case SAT_UNKNOWN:
return Result(VALIDITY_UNKNOWN, d_unknownExplanation);
default:
Unhandled(d_sat);
}
}
// TYPE_NONE
return Result(VALIDITY_UNKNOWN, NO_STATUS);
}
string Result::toString() const {
stringstream ss;
ss << *this;
return ss.str();
}
ostream& operator<<(ostream& out, enum Result::Sat s) {
switch(s) {
case Result::UNSAT: out << "UNSAT"; break;
case Result::SAT: out << "SAT"; break;
case Result::SAT_UNKNOWN: out << "SAT_UNKNOWN"; break;
default: Unhandled(s);
}
return out;
}
ostream& operator<<(ostream& out, enum Result::Validity v) {
switch(v) {
case Result::INVALID: out << "INVALID"; break;
case Result::VALID: out << "VALID"; break;
case Result::VALIDITY_UNKNOWN: out << "VALIDITY_UNKNOWN"; break;
default: Unhandled(v);
}
return out;
}
ostream& operator<<(ostream& out,
enum Result::UnknownExplanation e) {
switch(e) {
case Result::REQUIRES_FULL_CHECK: out << "REQUIRES_FULL_CHECK"; break;
case Result::INCOMPLETE: out << "INCOMPLETE"; break;
case Result::TIMEOUT: out << "TIMEOUT"; break;
case Result::RESOURCEOUT: out << "RESOURCEOUT"; break;
case Result::MEMOUT: out << "MEMOUT"; break;
case Result::INTERRUPTED: out << "INTERRUPTED"; break;
case Result::NO_STATUS: out << "NO_STATUS"; break;
case Result::UNSUPPORTED: out << "UNSUPPORTED"; break;
case Result::OTHER: out << "OTHER"; break;
case Result::UNKNOWN_REASON: out << "UNKNOWN_REASON"; break;
default: Unhandled(e);
}
return out;
}
ostream& operator<<(ostream& out, const Result& r) {
Printer::getPrinter(Node::setlanguage::getLanguage(out))->toStream(out, r);
return out;
}/* operator<<(ostream&, const Result&) */
}/* CVC4 namespace */
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