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Detect and prevent implicit declaration of hierarchical names.

This commit is contained in:
steve 2004-09-24 04:25:19 +00:00
parent 6d40326a2f
commit 180bfc5e72
1 changed files with 25 additions and 1 deletions
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26
elab_net.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: elab_net.cc,v 1.134 2004/08/28 15:42:12 steve Exp $"
#ident "$Id: elab_net.cc,v 1.135 2004/09/24 04:25:19 steve Exp $"
#endif
# include "config.h"
@ -1509,6 +1509,27 @@ NetNet* PEIdent::elaborate_net(Design*des, NetScope*scope,
return 0;
}
/* Check for the error case that the name is not found, and it
is hierarchical. We can't just create a name in another
scope, it's just not allowed. */
if (sig == 0 && path_.component_count() != 1) {
cerr << get_line() << ": error: The hierarchical name "
<< path_ << " is undefined in "
<< scope->name() << "." << endl;
hname_t tmp_path = path_;
delete[] tmp_path.remove_tail_name();
NetScope*tmp_scope = des->find_scope(scope, tmp_path);
if (tmp_scope == 0) {
cerr << get_line() << ": : I can't even find "
<< "the scope " << tmp_path << "." << endl;
}
des->errors += 1;
return 0;
}
/* Fallback, this may be an implicitly declared net. */
if (sig == 0) {
NetNet::Type nettype = scope->default_nettype();
@ -2488,6 +2509,9 @@ NetNet* PEUnary::elaborate_net(Design*des, NetScope*scope,
/*
* $Log: elab_net.cc,v $
* Revision 1.135 2004/09/24 04:25:19 steve
* Detect and prevent implicit declaration of hierarchical names.
*
* Revision 1.134 2004/08/28 15:42:12 steve
* Add support for $unsigned.
*