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/*
* Copyright (c) 2003 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
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: symbol_search.cc,v 1.1 2003/09/19 03:30:05 steve Exp $"
#endif
# include "netlist.h"
# include <assert.h>
/*
* Search for the hierarchical name.
*/
NetScope*symbol_search(Design*des, NetScope*scope, hname_t path,
NetNet*&net,
NetMemory*&mem,
NetVariable*&var,
const NetExpr*&par,
NetEvent*&eve)
{
assert(scope);
/* Get the tail name of the object we are looking for. */
char*key = path.remove_tail_name();
/* Initialize output argument to cleared. */
net = 0;
mem = 0;
var = 0;
par = 0;
eve = 0;
/* If the path has a scope part, then search for the specified
scope that we are supposed to search. */
if (path.peek_name(0))
scope = des->find_scope(scope, path);
while (scope) {
if ( (net = scope->find_signal(key)) ) {
delete key;
return scope;
}
if ( (mem = scope->find_memory(key)) ) {
delete key;
return scope;
}
if ( (var = scope->find_variable(key)) ) {
delete key;
return scope;
}
if ( (eve = scope->find_event(key)) ) {
delete key;
return scope;
}
if ( (par = scope->get_parameter(key)) ) {
delete key;
return scope;
}
if (scope->type() == NetScope::MODULE)
scope = 0;
else
scope = scope->parent();
}
delete key;
return 0;
}
/*
* $Log: symbol_search.cc,v $
* Revision 1.1 2003/09/19 03:30:05 steve
* Fix name search in elab_lval.
*
*/
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