moving string to parfait

using parfait::word
also rename builtins string to word

lib/register/assembler.rb

@@ -144,7 +144,7 @@ module Register
     end
 
     def assemble_String( str )
-      str = str.string if str.is_a? Virtual::StringConstant
+      str = str.string if str.is_a? Parfait::Word
       str = str.to_s if str.is_a? Symbol
       word = (str.length + 7) / 32  # all object are multiple of 8 words (7 for header)
       raise "String too long (implement split string!) #{word}" if word > 15

lib/register/builtin/integer.rb

@@ -28,7 +28,7 @@ module Builtin
     def putint context
       putint_function = Virtual::CompiledMethod.new(:putint , [] , Virtual::Integer ,Virtual::Integer )
       return putint_function
-      buffer = Virtual::StringConstant.new("           ") # create a buffer
+      buffer = Parfait::Word.new("           ") # create a buffer
       context.object_space.add_object buffer              # and save it (function local variable: a no no)
       int = putint_function.receiver
       moved_int = putint_function.new_local

lib/register/builtin/object.rb

@@ -76,6 +76,6 @@ module Builtin
   end
 end
 require_relative "integer"
-require_relative "string"
+require_relative "word"
 require_relative "array"
 require_relative "kernel"

lib/register/builtin/word.rb

@@ -1,5 +1,5 @@
 module Builtin
-  class String
+  class Word
     module ClassMethods
       def get context , index = Virtual::Integer
         get_function = Virtual::CompiledMethod.new(:get , [ Virtual::Integer] , Virtual::Integer , Virtual::Integer )
@@ -9,11 +9,11 @@ module Builtin
         set_function = Virtual::CompiledMethod.new(:set , [Virtual::Integer, Virtual::Integer] , Virtual::Integer ,Virtual::Integer )
         return set_function
       end
-      def puts context 
+      def puts context
         puts_function = Virtual::CompiledMethod.new(:puts , []  )
         return puts_function
       end
     end
-    extend ClassMethods    
+    extend ClassMethods
   end
 end