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Scala example source code file (Transform.scala)

This example Scala source code file (Transform.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

phase, phase, stdphase, stdphase, subcomponent, subcomponent, transform, transform

The Scala Transform.scala source code

/* NSC -- new Scala compiler
 * Copyright 2005-2011 LAMP/EPFL
 * @author Martin Odersky
 */

package scala.tools.nsc
package transform

/** <p>
 *    A base class for transforms.
 *  </p>
 *  <p>
 *    A transform contains a compiler phase which applies a tree transformer.
 *  </p>
 *
 *  @author Martin Odersky
 *  @version 1.0
 */
trait Transform extends SubComponent {

  /** The transformer factory */
  protected def newTransformer(unit: global.CompilationUnit): global.Transformer

  /** Create a new phase which applies transformer */
  def newPhase(prev: scala.tools.nsc.Phase): StdPhase = new Phase(prev)

  /** The phase defined by this transform */
  class Phase(prev: scala.tools.nsc.Phase) extends StdPhase(prev) {
    def apply(unit: global.CompilationUnit) {
      newTransformer(unit).transformUnit(unit)
    }
  }
}

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