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/********************* */
/*! \file options_handlers.h
** \verbatim
** Original author: Morgan Deters
** Major contributors: Kshitij Bansal
** Minor contributors (to current version): none
** This file is part of the CVC4 project.
** Copyright (c) 2009-2014 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Custom handlers and predicates for DecisionEngine options
**
** Custom handlers and predicates for DecisionEngine options.
**/
#include "cvc4_private.h"
#ifndef __CVC4__DECISION__OPTIONS_HANDLERS_H
#define __CVC4__DECISION__OPTIONS_HANDLERS_H
#include "decision/decision_mode.h"
#include "main/options.h"
namespace CVC4 {
namespace decision {
static const std::string decisionModeHelp = "\
Decision modes currently supported by the --decision option:\n\
\n\
internal (default)\n\
+ Use the internal decision heuristics of the SAT solver\n\
\n\
justification\n\
+ An ATGP-inspired justification heuristic\n\
\n\
justification-stoponly\n\
+ Use the justification heuristic only to stop early, not for decisions\n\
";
inline DecisionMode stringToDecisionMode(std::string option, std::string optarg, SmtEngine* smt) throw(OptionException) {
options::decisionStopOnly.set(false);
if(optarg == "internal") {
return DECISION_STRATEGY_INTERNAL;
} else if(optarg == "justification") {
return DECISION_STRATEGY_JUSTIFICATION;
} else if(optarg == "justification-stoponly") {
options::decisionStopOnly.set(true);
return DECISION_STRATEGY_JUSTIFICATION;
} else if(optarg == "help") {
puts(decisionModeHelp.c_str());
exit(1);
} else {
throw OptionException(std::string("unknown option for --decision: `") +
optarg + "'. Try --decision help.");
}
}
inline DecisionWeightInternal stringToDecisionWeightInternal(std::string option, std::string optarg, SmtEngine* smt) throw(OptionException) {
if(optarg == "off")
return DECISION_WEIGHT_INTERNAL_OFF;
else if(optarg == "max")
return DECISION_WEIGHT_INTERNAL_MAX;
else if(optarg == "sum")
return DECISION_WEIGHT_INTERNAL_SUM;
else if(optarg == "usr1")
return DECISION_WEIGHT_INTERNAL_USR1;
else
throw OptionException(std::string("--decision-weight-internal must be off, max or sum."));
}
}/* CVC4::decision namespace */
}/* CVC4 namespace */
#endif /* __CVC4__DECISION__OPTIONS_HANDLERS_H */
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