add assignment and self

lib/vool/assignment_statement.rb

@@ -1,13 +1,11 @@
 module Vool
   class Assignment < Statement
     attr_accessor :name , :value
-    def initialize(n = nil , v = nil )
-      @name , @value = n , v
+    def initialize(name , value )
+      @name , @value = name , value
     end
   end
-
-  class FieldDef < Statement
-    attr_accessor :name , :type , :value
+  class LocalAssignment < Assignment
   end
-
+  
 end

lib/vool/basic_values.rb

@@ -17,6 +17,8 @@ module Vool
   end
   class NilStatement < Statement
   end
+  class SelfStatement < Statement
+  end
   class StringStatement < Statement
     attr_accessor :value
     def initialize(value)

lib/vool/compiler.rb

@@ -86,7 +86,6 @@ module Vool
 
     #Variables
     def on_lvasgn expression
-      puts "EXP #{expression}"
       name = expression.children[0]
       value = process(expression.children[1])
       LocalAssignment.new(name,value)

lib/vool/send_statement.rb

@@ -1,5 +1,5 @@
 module Vool
-  class CallSite < Statement
+  class SendStatement < Statement
     attr_accessor :name , :receiver , :arguments
   end
 end