fixed simple layout offset bug in layout

lib/parfait/class.rb

@@ -34,7 +34,12 @@ module Parfait
     def sof_reference_name
       name
     end
+
+    def inspect
+      "Class(#{name})"
+    end
     # ruby 2.1 list (just for reference, keep at bottom)
     #:allocate, :new, :superclass
+
   end
 end

lib/parfait/dictionary.rb

@@ -3,7 +3,7 @@
 module Parfait
   class Dictionary < Object
     attribute :keys
-    attribute  :values
+    attribute :values
     # only empty initialization for now
     #
     # internally we store keys and values in lists, which means this does **not** scale well

lib/parfait/layout.rb

@@ -40,6 +40,7 @@ module Parfait
     # TODO , later we would need to COPY the layout to keep the old constant
     #        but now we are concerned with booting, ie getting a working structure
     def add_instance_variable name
+      self.push(1) if self.get_length == 0
       self.push(name)
       self.get_length
     end
@@ -51,7 +52,7 @@ module Parfait
 
     def object_instance_names
       names = List.new
-      index = 2 # first is object_class
+      index = 3
       while index <= self.get_length
         item = get(index)
         names.push item
@@ -74,6 +75,19 @@ module Parfait
       list_index(name)
     end
 
+    def inspect
+      ret = "Layout["
+      index = 3
+      while index <= self.get_length
+        item = get(index)
+        ret += item.inspect
+        ret += "," unless index == self.get_length
+        index = index + 1
+      end
+      ret += "]"
+      ret
+    end
+
     def sof_reference_name
       "#{self.object_class.name}_Layout"
     end

lib/parfait/list.rb

@@ -69,6 +69,11 @@ module Parfait
       get(1)
     end
 
+    def last
+      return nil if empty?
+      get(get_length())
+    end
+    
     # set the value at index.
     # Lists start from index 1
     def set( index , value)