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Cope with empty module ports while binding by name.

This commit is contained in:
steve 2003-04-02 03:00:14 +00:00
parent 4987558a56
commit 1ef01b404e
1 changed files with 15 additions and 2 deletions
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17
Module.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: Module.cc,v 1.20 2003/03/06 04:37:12 steve Exp $"
#ident "$Id: Module.cc,v 1.21 2003/04/02 03:00:14 steve Exp $"
#endif
# include "config.h"
@ -91,9 +91,19 @@ const svector<PEIdent*>& Module::get_port(unsigned idx) const
unsigned Module::find_port(const string&name) const
{
assert(name != "");
for (unsigned idx = 0 ; idx < ports.count() ; idx += 1)
for (unsigned idx = 0 ; idx < ports.count() ; idx += 1) {
if (ports[idx] == 0) {
/* It is possible to have undeclared ports. These
are ports that are skipped in the declaration,
for example like so: module foo(x ,, y); The
port between x and y is unnamed and thus
inaccessible to binding by name. */
continue;
}
assert(ports[idx]);
if (ports[idx]->name == name)
return idx;
}
return ports.count();
}
@ -139,6 +149,9 @@ const list<PProcess*>& Module::get_behaviors() const
/*
* $Log: Module.cc,v $
* Revision 1.21 2003/04/02 03:00:14 steve
* Cope with empty module ports while binding by name.
*
* Revision 1.20 2003/03/06 04:37:12 steve
* lex_strings.add module names earlier.
*