112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/*
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* Copyright (c) 2002 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: net_nex_output.cc,v 1.6 2002/09/17 04:39:20 steve Exp $"
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#endif
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# include "config.h"
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# include <iostream>
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# include <cassert>
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# include <typeinfo>
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# include "netlist.h"
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# include "netmisc.h"
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void NetProc::nex_output(NexusSet&out)
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{
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cerr << get_line()
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<< ": internal error: NetProc::nex_output not implemented"
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<< endl;
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}
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void NetAssignBase::nex_output(NexusSet&out)
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{
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NetNet*lsig = lval_->sig();
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assert(lsig);
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assert(lval_->more == 0);
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for (unsigned idx = 0 ; idx < lval_->lwidth() ; idx += 1) {
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unsigned off = lval_->get_loff() + idx;
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out.add(lsig->pin(off).nexus());
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}
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}
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void NetBlock::nex_output(NexusSet&out)
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{
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if (last_ == 0)
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return;
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NetProc*cur = last_;
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do {
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cur = cur->next_;
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cur->nex_output(out);
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} while (cur != last_);
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}
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void NetCase::nex_output(NexusSet&out)
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{
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for (unsigned idx = 0 ; idx < nitems_ ; idx += 1) {
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assert(items_[idx].statement);
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items_[idx].statement->nex_output(out);
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}
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}
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void NetCondit::nex_output(NexusSet&out)
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{
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if (if_ != 0)
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if_->nex_output(out);
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if (else_ != 0)
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else_->nex_output(out);
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}
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void NetEvWait::nex_output(NexusSet&out)
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{
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assert(statement_);
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statement_->nex_output(out);
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}
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/*
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* $Log: net_nex_output.cc,v $
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* Revision 1.6 2002/09/17 04:39:20 steve
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* Account for part select in l-value.
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*
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* Revision 1.5 2002/08/12 01:34:59 steve
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* conditional ident string using autoconfig.
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*
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* Revision 1.4 2002/07/29 00:00:28 steve
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* Asynchronous synthesis of sequential blocks.
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*
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* Revision 1.3 2002/07/07 22:32:15 steve
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* Asynchronous synthesis of case statements.
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*
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* Revision 1.2 2002/07/01 00:54:21 steve
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* synth_asych of if/else requires redirecting the target
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* if sub-statements. Use NetNet objects to manage the
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* situation.
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*
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* Revision 1.1 2002/06/30 02:21:32 steve
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* Add structure for asynchronous logic synthesis.
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*
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*/
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