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Agressively evalutate case expressions.

This commit is contained in:
steve 2002-04-24 17:40:48 +00:00
parent 714ca3542d
commit 0696e3d558
1 changed files with 16 additions and 1 deletions
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17
elaborate.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: elaborate.cc,v 1.245 2002/04/22 00:53:39 steve Exp $"
#ident "$Id: elaborate.cc,v 1.246 2002/04/24 17:40:48 steve Exp $"
#endif
# include "config.h"
@ -1238,6 +1238,18 @@ NetProc* PCase::elaborate(Design*des, NetScope*scope) const
return 0;
}
/* Try to evaluate the case expression. */
if (! dynamic_cast<NetEConst*>(expr)) {
NetExpr*tmp = expr->eval_tree();
if (tmp != 0) {
delete expr;
expr = tmp;
}
}
/* Count the items in the case statement. Note that ther may
be some cases that have multiple guards. Count each as a
separate item. */
unsigned icount = 0;
for (unsigned idx = 0 ; idx < items_->count() ; idx += 1) {
PCase::Item*cur = (*items_)[idx];
@ -2512,6 +2524,9 @@ Design* elaborate(list<const char*>roots)
/*
* $Log: elaborate.cc,v $
* Revision 1.246 2002/04/24 17:40:48 steve
* Agressively evalutate case expressions.
*
* Revision 1.245 2002/04/22 00:53:39 steve
* Do not allow implicit wires in sensitivity lists.
*