update actors

internal/engine.cm

@@ -231,17 +231,16 @@ function actor_die(err)
 //actor_mod.on_exception(actor_die)
 
 _cell.args = init != null ? init : {}
-_cell.id = "newguy"
 
 function create_actor(desc) {
   var _desc = desc == null ? {id:guid()} : desc
   var actor = {}
   actor[ACTORDATA] = _desc
+  stone(actor)
   return actor
 }
 
 var $_ = {}
-$_.self = create_actor()
 
 use_cache['core/json'] = json
 
@@ -734,7 +733,7 @@ stone(send)
 if (!_cell.args.id) _cell.id = guid()
 else _cell.id = _cell.args.id
 
-$_.self[ACTORDATA].id = _cell.id
+$_.self = create_actor({id: _cell.id})
 
 // Actor's timeslice for processing a single message
 function turn(msg)
@@ -839,12 +838,8 @@ function handle_message(msg) {
 
   if (msg.type == "user") {
     letter = msg.data // what the sender really sent
-    _ObjectDefineProperty(letter, HEADER, {
-      value: msg, enumerable: false
-    })
-    _ObjectDefineProperty(letter, ACTORDATA, { // this is so is_actor == true
-      value: { reply: msg.reply }, enumerable: false
-    })
+    letter[HEADER] = msg
+    letter[ACTORDATA] = { reply: msg.reply }
 
     if (msg.return) {
       fn = replies[msg.return]