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_while_statement.rb

@@ -0,0 +1,40 @@
+require_relative 'helper'
+
+module Ruby
+  class TestWhileStatementX < MiniTest::Test
+    include RubyTests
+
+    def basic_while
+      "while(10 < 12) ; true ; end"
+    end
+    def test_while_basic
+      lst = compile( basic_while )
+      assert_equal WhileStatement , lst.class
+    end
+    def test_while_basic_cond
+      lst = compile( basic_while )
+      assert_equal ScopeStatement , lst.condition.class
+    end
+    def test_while_basic_branches
+      lst = compile( basic_while )
+      assert_equal TrueConstant , lst.body.class
+    end
+
+    def reverse_while
+      "true while(false)"
+    end
+    def test_while_reverse_branches
+      lst = compile( reverse_while )
+      assert_equal WhileStatement , lst.class
+    end
+    def test_while_reverse_cond
+      lst = compile( reverse_while )
+      assert_equal ScopeStatement , lst.condition.class
+    end
+    def test_while_reverse_branches
+      lst = compile( reverse_while )
+      assert_equal TrueConstant , lst.body.class
+    end
+
+  end
+end