package shortrepl

import scala.tools.nsc._
import java.io.{Writer, PrintWriter}

class NullWriter extends Writer
{
  def close() {}
  def write(b : Array[Char], o : Int, l : Int) {}
  def flush() {}
}

class LatchPrintWriter extends PrintWriter(new NullWriter)
{
    def enable() {
      out = new PrintWriter(Console.out)
    }
}

class QuietLoop(out : LatchPrintWriter) extends InterpreterLoop(None, out)
{
  override def loadFiles(settings: Settings) = settings match {
    case settings: GenericRunnerSettings =>
      val args = settings.loadfiles.value.foldLeft (Set.empty[String]) (_ + _)
      args foreach interpretAllFrom
    case _ =>
  }

  override def printWelcome = out enable
}

object QuietLoop {
  def apply() = new QuietLoop(new LatchPrintWriter)
}

object ShortRepl extends Application {
  override def main(args : Array[String]) =
    QuietLoop().main(new GenericRunnerCommand(args.toList, println) settings)
}