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implicitly declare wires if needed.

This commit is contained in:
steve 1999-09-14 01:50:52 +00:00
parent 3d78b558bc
commit 39bc45ce67
1 changed files with 11 additions and 5 deletions
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16
elaborate.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: elaborate.cc,v 1.83 1999/09/13 03:10:59 steve Exp $" #ident "$Id: elaborate.cc,v 1.84 1999/09/14 01:50:52 steve Exp $"
#endif #endif
/* /*
@ -371,6 +371,9 @@ void PGBuiltin::elaborate(Design*des, const string&path) const
for (unsigned idx = 0 ; idx < pin_count() ; idx += 1) { for (unsigned idx = 0 ; idx < pin_count() ; idx += 1) {
const PExpr*ex = pin(idx); const PExpr*ex = pin(idx);
NetNet*sig = ex->elaborate_net(des, path); NetNet*sig = ex->elaborate_net(des, path);
if (sig == 0)
continue;
assert(sig); assert(sig);
if (sig->pin_count() == 1) if (sig->pin_count() == 1)
@ -895,10 +898,10 @@ NetNet* PEIdent::elaborate_net(Design*des, const string&path,
{ {
NetNet*sig = des->find_signal(path, text_); NetNet*sig = des->find_signal(path, text_);
if (sig == 0) { if (sig == 0) {
cerr << get_line() << ": Unable to find signal ``" << sig = new NetNet(path+"."+text_, NetNet::IMPLICIT, 1);
text_ << "''" << endl; des->add_signal(sig);
des->errors+= 1; cerr << get_line() << ": warning: Implicitly defining "
return 0; "wire " << path << "." << text_ << "." << endl;
} }
assert(sig); assert(sig);
@ -2375,6 +2378,9 @@ Design* elaborate(const map<string,Module*>&modules,
/* /*
* $Log: elaborate.cc,v $ * $Log: elaborate.cc,v $
* Revision 1.84 1999/09/14 01:50:52 steve
* implicitly declare wires if needed.
*
* Revision 1.83 1999/09/13 03:10:59 steve * Revision 1.83 1999/09/13 03:10:59 steve
* Clarify msb/lsb in context of netlist. Properly * Clarify msb/lsb in context of netlist. Properly
* handle part selects in lval and rval of expressions, * handle part selects in lval and rval of expressions,