move type to phial and add type to reg_ref

lib/virtual/method_source.rb

@@ -37,7 +37,7 @@ module Virtual
       raise "create_method #{method_name}.#{method_name.class}" unless method_name.is_a? Symbol
       clazz = Virtual.machine.space.get_class_by_name class_name
       raise "No such class #{class_name}" unless clazz
-      return_type = Virtual::Type.from_sym return_type
+      return_type = Phisol::Type.from_sym return_type
       arguments = []
       args.each_with_index do | arg , index |
         unless arg.is_a? Parfait::Variable

lib/virtual/type.rb

@@ -1,36 +0,0 @@
-
-module Virtual
-  # Integer and (Object) References are the main derived classes, but float will come.
-  
-  class Type
-    def == other
-      return false unless other.class == self.class
-      return true
-    end
-
-    # map from a type sym (currently :int/:ref) to a class of subtype of Type
-    # TODO needs to be made extensible in a defined way.
-    def self.from_sym type
-      case type
-      when :int
-        Virtual::Integer
-      when :ref
-        Virtual::Reference
-      else
-        raise "No type maps to:#{type}"
-      end
-    end
-  end
-
-  class Integer < Type
-  end
-
-  class Reference < Type
-    # possibly unknown value, but known class (as in methods)
-    def initialize clazz = nil
-      @of_class = clazz
-    end
-    attr_reader :of_class
-  end
-
-end