Sta::networkChanged

include/sta/Sta.hh

@@ -1116,6 +1116,8 @@ public:
 			  Net *net);
   // disconnect_net
   virtual void disconnectPin(Pin *pin);
+  // Notify STA of network change.
+  void networkChanged();
 
   // Network edit before/after methods.
   void makeInstanceAfter(Instance *inst);

search/Sta.cc

@@ -534,6 +534,28 @@ Sta::clear()
   updateComponentsState();
 }
 
+void
+Sta::networkChanged()
+{
+  // Remove sdc graph annotations.
+  sdc_->annotateGraph(false);
+  // Everything else from clear().
+  search_->clear();
+  levelize_->clear();
+  if (parasitics_)
+    parasitics_->clear();
+  graph_delay_calc_->clear();
+  sim_->clear();
+  if (check_min_pulse_widths_)
+    check_min_pulse_widths_->clear();
+  if (check_min_periods_)
+    check_min_periods_->clear();
+  delete graph_;
+  graph_ = nullptr;
+  current_instance_ = nullptr;
+  updateComponentsState();
+}
+
 void
 Sta::setTclInterp(Tcl_Interp *interp)
 {

tcl/NetworkEdit.i

@@ -93,4 +93,11 @@ disconnect_pin_cmd(Pin *pin)
   Sta::sta()->disconnectPin(pin);
 }
 
+// Notify STA of network change.
+void
+network_changed()
+{
+  Sta::sta()->networkChanged();
+}
+
 %} // inline