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/* NSC -- new Scala compiler
 * Copyright 2005-2013 LAMP/EPFL
 * @author Paul Phillips
 */

package scala.tools
package util

import scala.tools.nsc.util.ScalaClassLoader
import java.io.PrintWriter

trait JpResult {
  def isError: Boolean
  def value: Any
  def show(): Unit
}

trait Javap {
  def loader: ScalaClassLoader
  def printWriter: PrintWriter
  def apply(args: Seq[String]): List[JpResult]
  def tryFile(path: String): Option[Array[Byte]]
  def tryClass(path: String): Array[Byte]
}

object NoJavap extends Javap {
  def loader: ScalaClassLoader                   = getClass.getClassLoader
  def printWriter: PrintWriter                   = new PrintWriter(System.err, true)
  def apply(args: Seq[String]): List[JpResult]   = Nil
  def tryFile(path: String): Option[Array[Byte]] = None
  def tryClass(path: String): Array[Byte]        = Array()
}