some cc driven cleanup

bit anoying that the builtin engine is used
Even it is not as well configurable as preferred reek.
Still, found one minor bug

lib/ruby/if_statement.rb

@@ -38,9 +38,9 @@ module Ruby
 
     def to_s(depth = 0)
       parts =  "if(#{@condition})\n"
-      parts += "  #{@if_true.to_s(depth + 1)}\n" if(@if_true)
+      parts += "  #{@if_true.to_s(1)}\n" if(@if_true)
       parts += "else\n" if(@if_false)
-      parts += "  #{@if_false.to_s(depth + 1)}\n" if(@if_false)
+      parts += "  #{@if_false.to_s(1)}\n" if(@if_false)
       parts += "end\n"
       at_depth(depth , parts )
     end

lib/vool/class_expression.rb

@@ -16,16 +16,8 @@ module Vool
     def initialize( name , supe , body)
       @name = name
       @super_class_name = supe || :Object
-      case body
-      when MethodExpression
-        @body = Statements.new([body])
-      when Statements
-        @body = body
-      when nil
-        @body = Statements.new([])
-      else
-        raise "what body #{body}"
-      end
+      raise "what body #{body}" unless body.is_a?(Statements)
+      @body = body
     end
 
     # This creates the Parfait class.

lib/vool/if_statement.rb

@@ -52,8 +52,8 @@ module Vool
     def to_s(depth = 0)
       parts =  "if (#{@condition.to_s(0)})\n"
       parts += "  #{@if_true}\n" if @if_true
-      parts += "else\n" if(@false)
-      parts += "  #{@if_false}\n" if(@false)
+      parts += "else\n" if(@if_false)
+      parts += "  #{@if_false}\n" if(@if_false)
       parts += "end\n"
       at_depth(depth , parts )
     end