fix debuggee getting stuck on an error after client is disconnected

Author: jbyuki

lua/osv/init.lua

@@ -299,6 +299,10 @@ function M.prepare_attach(blocking)
   end
 
   function handlers.disconnect(request)
+  	if builtin_debug_traceback then
+  	  debug.traceback = builtin_debug_traceback
+  	end
+
     debug.sethook()
 
     sendProxyDAP(make_response(request, {}))

src/handlers/disconnect.lua.t2

@@ -1,6 +1,7 @@
 ;;; ../lua-debug
 ;; implement handlers
 function handlers.disconnect(request)
+	; restore debug traceback
   ; disable hooks
   ; send disconnect aknowledge
 	; exit debuggee if requested