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#ifndef __PDelays_H
#define __PDelays_H
/*
* Copyright (c) 1999 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form 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
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: PDelays.h,v 1.2 2000/02/23 02:56:53 steve Exp $"
#endif

# include "svector.h"
# include <string>
class Design;
class PExpr;
class ostream;

/*
* Various PForm objects can carry delays. These delays include rise,
* fall and decay times. This class arranges to carry the triplet.
*/
class PDelays {

    public:
      PDelays();
      ~PDelays();

      void set_delay(PExpr*);
      void set_delays(const svector<PExpr*>*del);

      void eval_delays(Design*des, const string&path,
unsigned long&rise_time,
unsigned long&fall_time,
unsigned long&decay_time) const;

      void dump_delays(ostream&out) const;

    private:
      PExpr* delay_[3];

    private: // not implemented
      PDelays(const PDelays&);
      PDelays& operator= (const PDelays&);
};

ostream& operator << (ostream&o, const PDelays&);

/*
* $Log: PDelays.h,v $
* Revision 1.2 2000/02/23 02:56:53 steve
* Macintosh compilers do not support ident.
*
* Revision 1.1 1999/09/04 19:11:46 steve
* Add support for delayed non-blocking assignments.
*
*/
#endif
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