57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*
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* Copyright (c) 2000 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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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: link_const.cc,v 1.1 2000/04/20 00:28:03 steve Exp $"
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#endif
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# include "netlist.h"
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# include "netmisc.h"
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NetConst* link_const_value(NetObj::Link&pin, unsigned&idx)
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{
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NetConst*robj = 0;
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unsigned ridx = 0;
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for (NetObj::Link*cur = pin.next_link()
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; *cur != pin ; cur = cur->next_link()) {
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NetConst*tmp;
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if ((tmp = dynamic_cast<NetConst*>(cur->get_obj())) == 0)
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continue;
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if (robj != 0)
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continue;
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robj = tmp;
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ridx = cur->get_pin();
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}
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idx = ridx;
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return robj;
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}
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/*
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* $Log: link_const.cc,v $
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* Revision 1.1 2000/04/20 00:28:03 steve
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* Catch some simple identity compareoptimizations.
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*
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*/
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