fix indexing when accessing locals or args

Was missing the offset of object variables

lib/parfait/message.rb

@@ -29,35 +29,8 @@ module Parfait
       get_at(index)
     end
 
-    # def __send
-    #   typ = get_type_for( :receiver )
-    #   # TODO: this will obviously be recoded as case, once that is done :-)
-    #   # depending on value type get method
-    #   if( typ == Integer )
-    #     method = Integer.get_method @method_name
-    #   else
-    #     if( typ != ObjectReference )
-    #       raise "unimplemented case"
-    #     else
-    #       method = @receiver.get_singeton_method @method_name
-    #       # Find the method for the given object (receiver) according to ruby dispatch rules:
-    #         # - see if the receiver object has a (singleton) method by the name
-    #         # - get receivers class and look for instance methods of the name
-    #         # - go up inheritance tree
-    #         # - start over with method_missing instead
-    #         #    -> guaranteed to end at object.method_missing
-    #       unless method
-    #         cl = @receiver.layout.object_class
-    #         method = cl.get_instance_or_super_method @method_name
-    #       end
-    #     end
-    #   end
-    #   unless method
-    #     message = Message.new( @receiver , :method_missing , [@method_name] + @args)
-    #     message.send
-    #   else
-    #     method.call
-    #   end
-    # end
+    def self.offset
+      Space.object_space.get_class_by_name(:Message).object_layout.object_instance_length
+    end
   end
 end