start a new ruby layer to do the to_vool conversion

the "normalization" is getting more and more complicated and is not tested
And it seems i really don't like working with the untyped ast

test/ruby/test_send_statement.rb

@@ -0,0 +1,81 @@
+require_relative "helper"
+
+module Ruby
+  class TestSendX < MiniTest::Test
+    include RubyTests
+
+    def test_simple
+      lst = compile( "foo")
+      assert_equal SendStatement , lst.class
+    end
+    def test_simple_name
+      lst = compile( "foo")
+      assert_equal :foo , lst.name
+    end
+    def test_simple_receiver
+      lst = compile( "foo")
+      assert_equal SelfExpression , lst.receiver.class
+    end
+    def test_simple_args
+      lst = compile( "foo")
+      assert_equal [] , lst.arguments
+    end
+
+    def test_one_arg
+      lst = compile( "bar(1)")
+      assert_equal SendStatement , lst.class
+    end
+    def test_one_arg_name
+      lst = compile( "bar(1)")
+      assert_equal :bar , lst.name
+    end
+    def test_one_arg_receiver
+      lst = compile( "bar(1)")
+      assert_equal SelfExpression , lst.receiver.class
+    end
+    def test_one_arg_args
+      lst = compile( "bar(1)")
+      assert_equal 1 , lst.arguments.first.value
+    end
+
+    def test_super0_receiver
+      lst = compile( "super")
+      assert_equal SuperExpression , lst.receiver.class
+    end
+    def test_super0
+      lst = compile( "super")
+      assert_equal SendStatement , lst.class
+    end
+
+    def test_super_receiver
+      lst = compile( "super(1)")
+      assert_equal SuperExpression , lst.receiver.class
+    end
+    def test_super_args
+      lst = compile( "super(1)")
+      assert_equal 1 , lst.arguments.first.value
+    end
+    def test_super_name #is nil
+      lst = compile( "super(1)")
+      assert_nil lst.name
+    end
+  end
+  class TestSendReceiverType < MiniTest::Test
+    include RubyTests
+
+    def setup
+      Parfait.boot!
+    end
+
+    def test_int_receiver
+      sent = compile( "5.div4")
+      assert_equal Parfait::Type , sent.receiver.ct_type.class
+      assert_equal "Integer_Type" , sent.receiver.ct_type.name
+    end
+    def test_string_receiver
+      sent = compile( "'5'.putstring")
+      assert_equal Parfait::Type , sent.receiver.ct_type.class
+      assert_equal "Word_Type" , sent.receiver.ct_type.name
+    end
+  end
+end