Type in expressions to have them evaluated.
Type :help for more information.

scala> 

scala> import scala.reflect.mirror._
import scala.reflect.mirror._

scala> {
  val x = 2
  val code = reify {
    x
  }
  println(code.eval)
}
<console>:13: free term: Ident(newTermName("x")) defined by res0  in <console>:12:21
                val code = reify {
                                 ^
2

scala> 

scala>