PEvent.h

   1 #ifndef __PEvent_H
   2 #define __PEvent_H
   3 /*
   4  * Copyright (c) 2000-2004 Stephen Williams (steve@icarus.com)
   5  *
   6  *    This source code is free software; you can redistribute it
   7  *    and/or modify it in source code form under the terms of the GNU
   8  *    General Public License as published by the Free Software
   9  *    Foundation; either version 2 of the License, or (at your option)
  10  *    any later version.
  11  *
  12  *    This program is distributed in the hope that it will be useful,
  13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *    GNU General Public License for more details.
  16  *
  17  *    You should have received a copy of the GNU General Public License
  18  *    along with this program; if not, write to the Free Software
  19  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  20  */
  21 #ifdef HAVE_CVS_IDENT
  22 #ident "$Id: PEvent.h,v 1.9 2004/02/19 06:57:10 steve Exp $"
  23 #endif
  24
  25 # include  "LineInfo.h"
  26 # include  "StringHeap.h"
  27 # include  <string>
  28
  29 class Design;
  30 class NetScope;
  31
  32 /*
  33  * The PEvent class represents event objects. These are things that
  34  * are declared in Verilog as ``event foo;'' The name passed to the
  35  * constructor is the "foo" part of the declaration.
  36  */
  37 class PEvent : public LineInfo {
  38
  39     public:
  40         // The name is a perm-allocated string. It is the simple name
  41         // of the event, without any scope.
  42       explicit PEvent(perm_string name);
  43       ~PEvent();
  44
  45       perm_string name() const;
  46
  47       void elaborate_scope(Design*des, NetScope*scope) const;
  48
  49     private:
  50       perm_string name_;
  51
  52     private: // not implemented
  53       PEvent(const PEvent&);
  54       PEvent& operator= (const PEvent&);
  55 };
  56
  57 /*
  58  * $Log: PEvent.h,v $
  59  * Revision 1.9  2004/02/19 06:57:10  steve
  60  *  Memory and Event names use perm_string.
  61  *
  62  * Revision 1.8  2003/03/01 06:25:30  steve
  63  *  Add the lex_strings string handler, and put
  64  *  scope names and system task/function names
  65  *  into this table. Also, permallocate event
  66  *  names from the beginning.
  67  *
  68  * Revision 1.7  2003/01/30 16:23:07  steve
  69  *  Spelling fixes.
  70  *
  71  * Revision 1.6  2002/08/12 01:34:58  steve
  72  *  conditional ident string using autoconfig.
  73  *
  74  * Revision 1.5  2001/12/03 04:47:14  steve
  75  *  Parser and pform use hierarchical names as hname_t
  76  *  objects instead of encoded strings.
  77  *
  78  * Revision 1.4  2001/01/16 02:44:18  steve
  79  *  Use the iosfwd header if available.
  80  *
  81  * Revision 1.3  2000/04/09 17:44:30  steve
  82  *  Catch event declarations during scope elaborate.
  83  *
  84  * Revision 1.2  2000/04/04 03:20:15  steve
  85  *  Simulate named event trigger and waits.
  86  *
  87  * Revision 1.1  2000/04/01 19:31:57  steve
  88  *  Named events as far as the pform.
  89  *
  90  */
  91 #endif