From b155202dd2b1b0c85bb2944911f5b8e5e00ce73e Mon Sep 17 00:00:00 2001
From: steve <steve>
Date: Fri, 16 Jul 1999 04:33:41 +0000
Subject: [PATCH]  set_width for NetESubSignal.

---
 netlist.cc | 14 +++++++++++++-
 netlist.h  |  7 ++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/netlist.cc b/netlist.cc
index c4d5d6c5e..de52d15ea 100644
--- a/netlist.cc
+++ b/netlist.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: netlist.cc,v 1.41 1999/07/03 02:12:51 steve Exp $"
+#ident "$Id: netlist.cc,v 1.42 1999/07/16 04:33:41 steve Exp $"
 #endif
 
 # include  <cassert>
@@ -718,6 +718,9 @@ NetESignal* NetESignal::dup_expr() const
 NetESubSignal::NetESubSignal(NetESignal*sig, NetExpr*ex)
 : sig_(sig), idx_(ex)
 {
+	// This suppots mux type indexing of an expression, so the
+	// with is by definition 1 bit.
+      expr_width(1);
 }
 
 NetESubSignal::~NetESubSignal()
@@ -730,6 +733,12 @@ NetESubSignal* NetESubSignal::dup_expr() const
       assert(0);
 }
 
+bool NetESubSignal::set_width(unsigned w)
+{
+      if (w != 1) return false;
+      return true;
+}
+
 NetEUnary::~NetEUnary()
 {
       delete expr_;
@@ -1295,6 +1304,9 @@ NetNet* Design::find_signal(bool (*func)(const NetNet*))
 
 /*
  * $Log: netlist.cc,v $
+ * Revision 1.42  1999/07/16 04:33:41  steve
+ *  set_width for NetESubSignal.
+ *
  * Revision 1.41  1999/07/03 02:12:51  steve
  *  Elaborate user defined tasks.
  *
diff --git a/netlist.h b/netlist.h
index c03779421..592345ead 100644
--- a/netlist.h
+++ b/netlist.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: netlist.h,v 1.44 1999/07/07 04:20:57 steve Exp $"
+#ident "$Id: netlist.h,v 1.45 1999/07/16 04:33:41 steve Exp $"
 #endif
 
 /*
@@ -1189,6 +1189,8 @@ class NetESubSignal  : public NetExpr {
       const string&name() const { return sig_->name(); }
       const NetExpr*index() const { return idx_; }
 
+      virtual bool set_width(unsigned);
+
       NetESubSignal* dup_expr() const;
 
       virtual void expr_scan(struct expr_scan_t*) const;
@@ -1338,6 +1340,9 @@ extern ostream& operator << (ostream&, NetNet::Type);
 
 /*
  * $Log: netlist.h,v $
+ * Revision 1.45  1999/07/16 04:33:41  steve
+ *  set_width for NetESubSignal.
+ *
  * Revision 1.44  1999/07/07 04:20:57  steve
  *  Emit vvm for user defined tasks.
  *