Action.h

/*-------------------------------------------------------------------------
Compiler Generator Coco/R,
Copyright (c) 1990, 2004 Hanspeter Moessenboeck, University of Linz
extended by M. Loeberbauer & A. Woess, Univ. of Linz
ported to C++ by Csaba Balazs, University of Szeged
with improvements by Pat Terry, Rhodes University

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, 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.

As an exception, it is allowed to write an extension of Coco/R that is
used as a plugin in non-free software.

If not otherwise stated, any source code generated by Coco/R (other than 
Coco/R itself) does not fall under the GNU General Public License.
-------------------------------------------------------------------------*/

#if !defined(COCO_ACTION_H__)
#define COCO_ACTION_H__

#include "State.h"
#include "Tab.h"

namespace Coco {

class Target;
class CharSet;

class Action  			// action of finite automaton
{
public:
	int typ;			// type of action symbol: clas, chr
	int sym;			// action symbol
	int tc;				// transition code: normalTrans, contextTrans
	Target *target;		// states reached from this action
	Action *next;

	Action(int typ, int sym, int tc);
	void AddTarget(Target *t);  // add t to the action.targets
	void AddTargets(Action *a); // add copy of a.targets to action.targets
	CharSet* Symbols(Tab *tab);
	void ShiftWith(CharSet *s, Tab *tab);
};

}; // namespace


#endif // !defined(COCO_ACTION_H__)