Parfait documentation

outline of expanded parfait, documented but not coded

lib/parfait/object.rb

@@ -1,9 +1,24 @@
-# this is not a "normal" ruby file, ie it is not required by salama
-# instead it is parsed by salama to define part of the program that runs
+# to be precise, this should be an ObjectReference, as the Reference is a Value
+# but we don't want to make that distinction all the time , so we don't.
 
-class Object
+# that does lead to the fact that we have Reference functions on the Object though 
 
+class Object < Value
+
+  def get_type()
+    OBJECT_TYPE
+  end
+
+  # This is the crux of the object system. The class of an object is stored in the objects
+  # memory (as opposed to an integer that has no memory and so always has the same class)
+  #
+  # In Salama we store the class in the Layout, and so the Layout is the only fixed
+  # data that every object carries.
   def get_class()
     @layout.get_class()
   end
+
+  def get_layout()
+    @layout
+  end
 end