83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2002 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)
|
||
|
|
#ident "$Id: async.cc,v 1.1 2002/06/30 02:21:31 steve Exp $"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
# include "config.h"
|
||
|
|
|
||
|
|
# include "functor.h"
|
||
|
|
# include "netlist.h"
|
||
|
|
# include <assert.h>
|
||
|
|
|
||
|
|
bool NetAssign::is_asynchronous()
|
||
|
|
{
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool NetCondit::is_asynchronous()
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool NetEvWait::is_asynchronous()
|
||
|
|
{
|
||
|
|
NexusSet*sense = new NexusSet;
|
||
|
|
for (unsigned idx = 0 ; idx < nevents_ ; idx += 1) {
|
||
|
|
NexusSet*tmp = event(idx)->nex_async_();
|
||
|
|
if (tmp == 0) {
|
||
|
|
delete sense;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
sense->add(*tmp);
|
||
|
|
delete tmp;
|
||
|
|
}
|
||
|
|
|
||
|
|
NexusSet*inputs = statement_->nex_input();
|
||
|
|
|
||
|
|
if (! sense->contains(*inputs)) {
|
||
|
|
delete sense;
|
||
|
|
delete inputs;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
delete sense;
|
||
|
|
delete inputs;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool NetProc::is_asynchronous()
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool NetProcTop::is_asynchronous()
|
||
|
|
{
|
||
|
|
return statement_->is_asynchronous();
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* $Log: async.cc,v $
|
||
|
|
* Revision 1.1 2002/06/30 02:21:31 steve
|
||
|
|
* Add structure for asynchronous logic synthesis.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|