add a helper to get the vool equivalent of a ruby class

lib/ruby/statement.rb

@@ -12,6 +12,12 @@ module Ruby
       strings.collect{|str| prefix + str}.join("\n")
     end
 
+    def vool_brother
+      eval "Vool::#{class_name}"
+    end
+    def class_name
+      self.class.name.split("::").last
+    end
   end
 
   class Expression

test/ruby/test_statement.rb

@@ -0,0 +1,23 @@
+require_relative "helper"
+
+module Ruby
+  class TestStatement < MiniTest::Test
+    include RubyTests
+
+    def test_class_name
+      assert_equal "Statement" , Statement.new.class_name
+    end
+    def test_brother
+      assert_equal Vool::Statement , Statement.new.vool_brother
+    end
+    def test_yield
+      lst = compile( "yield")
+      assert_equal Vool::YieldStatement , lst.vool_brother
+    end
+    def test_assign
+      lst = compile( "a = 4")
+      assert_equal Vool::LocalAssignment , lst.vool_brother
+    end
+
+  end
+end