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/********************* -*- C++ -*- */
/** result.h
** This file is part of the CVC4 prototype.
**
** The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
**/
#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 {
UNSAT = 0,
SAT = 1,
UNKNOWN = 2
} SAT;
enum {
INVALID = 0,
VALID = 1,
UNKNOWN = 2
} Validity;
enum {
REQUIRES_FULL_CHECK,
INCOMPLETE,
TIMEOUT,
BAIL,
OTHER
} UnknownExplanation;
private:
SAT d_sat;
Validity d_validity;
enum { SAT, VALIDITY } d_which;
public:
Result(SAT);
Result(Validity);
SAT isSAT();
Validity isValid();
UnknownExplanation whyUnknown();
};/* class Result */
}/* CVC4 namespace */
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