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/*
This file is part of the Maude 2 interpreter.
Copyright 1997-2006 SRI International, Menlo Park, CA 94025, USA.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
//
// Class for iteration strategies.
//
#ifndef _iterationStrategy_hh_
#define _iterationStrategy_hh_
#include "strategyExpression.hh"
class IterationStrategy : public StrategyExpression
{
public:
IterationStrategy(StrategyExpression* child, bool zeroAllowed);
~IterationStrategy();
StrategyExpression* getStrategy() const;
bool getZeroAllowed() const;
StrategicExecution::Survival decompose(StrategicSearch& searchObject, DecompositionProcess* remainder);
private:
StrategyExpression* const child;
StrategyExpression* const star; // for a s+ expression we keep an s* expression here for decomposition
};
inline StrategyExpression*
IterationStrategy::getStrategy() const
{
return child;
}
inline bool
IterationStrategy::getZeroAllowed() const
{
return star == 0;
}
#endif
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