implements self sent

with explicit and implicit self

lib/vool/statements/basic_values.rb

@@ -33,6 +33,14 @@ module Vool
     end
   end
   class SelfStatement < Statement
+    attr_reader :clazz
+
+    def set_class(clazz)
+      @clazz = clazz
+    end
+    def ct_type
+      @clazz.instance_type
+    end
   end
   class SuperStatement < Statement
   end

lib/vool/statements/send_statement.rb

@@ -56,7 +56,8 @@ module Vool
 
     def simple_call
       type = @receiver.ct_type
-      method = type.get_method(@name)
+      method = type.resolve_method(@name)
+      raise "No method #{@name} for #{type}" unless method
       [Mom::SimpleCall.new( method) ]
     end