import scala.reflect._
import scala.reflect.api._

object Foo extends App {
  println(scala.reflect.Code.lift{
    @transient @volatile var x = 2
  }.tree.toString)
}

transformed = new scala.reflect.Code[Unit]({
  val $mr: scala.reflect.api.Mirror = scala.reflect.`package`.mirror;
  $mr.Block.apply(scala.collection.immutable.List.apply[$mr.ValDef]($mr.ValDef.apply($mr.modifiersFromInternalFlags(4096L, $mr.newTypeName(""), immutable.this.Nil), $mr.newTermName("x"), $mr.TypeTree($mr.staticClass("scala.Int").asTypeConstructor), $mr.Literal.apply($mr.Constant.apply(2)))), $mr.Literal.apply($mr.Constant.apply(())))
}.asInstanceOf[reflect.mirror.Tree])(reflect.this.Manifest.Unit)

D:\Dropbox\Scratchpad\Scala>scala Foo
{
  var x: Int = 2;
  ()
}