Scala example source code file (ThePlugin.scala)

This example Scala source code file (ThePlugin.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

declares, global, list, list, phase, phase, plugin, plugincomponent, plugincomponent, thephase, thephase, theplugin

The Scala ThePlugin.scala source code

package scala.test.plugins

import scala.tools.nsc
import nsc.Global
import nsc.Phase
import nsc.plugins.Plugin
import nsc.plugins.PluginComponent

class ThePlugin(val global: Global) extends Plugin {
  import global._

  val name = "cyclicdependency"
  val description = "Declares two phases that have a cyclic dependency"
  val components = List[PluginComponent](thePhase1,thePhase2)
  
  private object thePhase1 extends PluginComponent {
    val global = ThePlugin.this.global

    val runsAfter = List[String]("tailcalls","cyclicdependency2")

    val phaseName = ThePlugin.this.name + "1"

    def newPhase(prev: Phase) = new ThePhase(prev)    
  }
  
  private object thePhase2 extends PluginComponent {
    val global = ThePlugin.this.global

    val runsAfter = List[String]("dce","cyclicdependency1")

    val phaseName = ThePlugin.this.name + "2"

    def newPhase(prev: Phase) = new ThePhase(prev)    
  }
  
  private class ThePhase(prev: Phase) extends Phase(prev) {
    def name = ThePlugin.this.name
    def run {}
  }
}