#ifndef __netmisc_H
#define __netmisc_H
/*
 * Copyright (c) 1999-2000 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: netmisc.h,v 1.4 2000/03/16 19:03:03 steve Exp $"
#endif

# include  "netlist.h"

/*
 * This funciton transforms an expression by padding the high bits
 * with V0 until the expression has the desired width. This may mean
 * not transforming the expression at all, if it is already wide
 * enough.
 */
extern NetExpr*pad_to_width(NetExpr*expr, unsigned wid);
extern NetNet*pad_to_width(Design*des, const string&p, NetNet*n, unsigned w);

/*
 * This function chooses a nexus name for the link. The algorithm is
 * such that any signal in the link will have the same nexus name, and
 * signals that are not connected together will have a different nexus
 * name.
 */
extern string nexus_from_link(const NetObj::Link*lnk);


/*
 * $Log: netmisc.h,v $
 * Revision 1.4  2000/03/16 19:03:03  steve
 *  Revise the VVM backend to use nexus objects so that
 *  drivers and resolution functions can be used, and
 *  the t-vvm module doesn't need to write a zillion
 *  output functions.
 *
 * Revision 1.3  2000/02/23 02:56:55  steve
 *  Macintosh compilers do not support ident.
 *
 * Revision 1.2  2000/02/16 03:58:27  steve
 *  Fix up width matching in structural bitwise operators.
 *
 * Revision 1.1  1999/09/29 00:42:51  steve
 *  Allow expanding of additive operators.
 *
 */
#endif