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

test/ruby/test_if_statement.rb

@@ -39,7 +39,7 @@ module Ruby
     end
     def test_to_s
       lst = compile( double_if )
-      assert_equal "if(false);  true;else;  false;end" , lst.to_s.gsub("\n",";")
+      assert_tos "if(false);true;else;false;end"  , lst
     end
   end
 end

test/ruby/test_if_statement2.rb

@@ -12,13 +12,18 @@ module Ruby
     end
     def test_true
       assert_equal Vool::LocalAssignment , @lst.if_true.class
+      assert @lst.has_true?
     end
     def test_false
       assert_equal Vool::LocalAssignment , @lst.if_false.class
+      assert @lst.has_false?
     end
     def test_condition
       assert_equal Vool::TrueConstant , @lst.condition.class
     end
+    def test_to_s
+      assert_tos "if (true);a = 1;else;a = 2;end" , @lst
+    end
   end
   class TestIfStatementVoolHoisted < MiniTest::Test
     include RubyTests