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/*
* 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: dup_expr.cc,v 1.7 2002/01/28 00:52:41 steve Exp $"
#endif

# include "config.h"

# include "netlist.h"
# include <cassert>

NetEScope* NetEScope::dup_expr() const
{
      assert(0);
      return 0;
}

NetESelect* NetESelect::dup_expr() const
{
      return new NetESelect(expr_->dup_expr(), base_->dup_expr(),
expr_width());
}

NetESFunc* NetESFunc::dup_expr() const
{
      NetESFunc*tmp = new NetESFunc(name_, expr_width(), nparms());
      assert(tmp);
      for (unsigned idx = 0 ; idx < nparms() ; idx += 1) {
assert(tmp->parm(idx));
tmp->parm(idx, tmp->parm(idx)->dup_expr());
      }

      return tmp;
}

NetESignal* NetESignal::dup_expr() const
{
      NetESignal*tmp = new NetESignal(net_, msi_, lsi_);
      assert(tmp);
      tmp->expr_width(expr_width());
      return tmp;
}

NetETernary* NetETernary::dup_expr() const
{
      NetETernary*tmp = new NetETernary(cond_->dup_expr(),
true_val_->dup_expr(),
false_val_->dup_expr());
      return tmp;
}

NetEUnary* NetEUnary::dup_expr() const
{
      NetEUnary*tmp = new NetEUnary(op_, expr_->dup_expr());
      assert(tmp);
      return tmp;
}

/*
* $Log: dup_expr.cc,v $
* Revision 1.7 2002/01/28 00:52:41 steve
* Add support for bit select of parameters.
* This leads to a NetESelect node and the
* vvp code generator to support that.
*
* Revision 1.6 2001/11/19 01:54:14 steve
* Port close cropping behavior from mcrgb
* Move window array reset to libmc.
*
* Revision 1.5 2001/07/25 03:10:48 steve
* Create a config.h.in file to hold all the config
* junk, and support gcc 3.0. (Stephan Boettcher)
*
* Revision 1.4 2000/05/07 18:20:07 steve
* Import MCD support from Stephen Tell, and add
* system function parameter support to the IVL core.
*
* Revision 1.3 2000/05/04 03:37:58 steve
* Add infrastructure for system functions, move
* $time to that structure and add $random.
*
* Revision 1.2 2000/02/23 02:56:54 steve
* Macintosh compilers do not support ident.
*
* Revision 1.1 1999/11/27 19:07:57 steve
* Support the creation of scopes.
*
*/

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