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/********************* -*- C++ -*- */
/** result.h
** This file is part of the CVC4 prototype.
** Copyright (c) 2009 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.
**
**/
#ifndef __CVC4_RESULT_H
#define __CVC4_RESULT_H
namespace CVC4 {
// TODO: perhaps best to templatize Result on its Kind (SAT/Validity),
// but this requires doing the same for Prover and needs discussion.
// TODO: subclass to provide models, etc. This is really just
// intended as a three-valued response code.
/**
* Three-valued, immutable SMT result, with optional explanation.
*/
class Result {
public:
enum SAT {
UNSAT = 0,
SAT = 1,
SAT_UNKNOWN = 2
};
enum Validity {
INVALID = 0,
VALID = 1,
VALIDITY_UNKNOWN = 2
};
enum UnknownExplanation {
REQUIRES_FULL_CHECK,
INCOMPLETE,
TIMEOUT,
BAIL,
OTHER
};
private:
enum SAT d_sat;
enum Validity d_validity;
enum { TYPE_SAT, TYPE_VALIDITY } d_which;
public:
Result(enum SAT);
Result(enum Validity);
enum SAT isSAT();
enum Validity isValid();
enum UnknownExplanation whyUnknown();
};/* class Result */
}/* CVC4 namespace */
#endif /* __CVC4_RESULT_H */
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