Making a macro tree using ToolBox.

tbtest.scala

object Macros {
  def tbtest = macro tbtestImpl
  def tbtestImpl(c:Context) = {
    import c.universe._
    import scala.reflect.runtime.{currentMirror => cm}
    import scala.reflect.runtime.{universe => ru}

    val toolBox = cm.mkToolBox()
    val importer = c.universe.mkImporter(ru)

    val code = """println("Hello Hogeika!")"""
    val tree = importer.importTree(toolBox.parse(code))

    c.Expr[Unit](Block(List(tree), Literal(Constant(()))))
  }
}