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Scala example source code file (PresentationCompilerThread.scala)

This example Scala source code file (PresentationCompilerThread.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

compiler, fatal, freshrunreq, global, nsc, presentation, presentationcompilerthread, scala, string, this, thread, validateexception

The PresentationCompilerThread.scala Scala example source code

/* NSC -- new Scala compiler
 * Copyright 2009-2013 Typesafe/Scala Solutions and LAMP/EPFL
 * @author Martin Odersky
 * @author Iulian Dragos

/** A presentation compiler thread. This is a lightweight class, delegating most
 *  of its functionality to the compiler instance.
final class PresentationCompilerThread(var compiler: Global, name: String = "")
  extends Thread("Scala Presentation Compiler [" + name + "]") {

  /** The presentation compiler loop.
  override def run() {
    compiler.debugLog("starting new runner thread")
    while (compiler ne null) try {
      compiler.log.logreplay("wait for more work", { compiler.scheduler.waitForMoreWork(); true })
      while (compiler.isOutOfDate) {
        try {
        } catch {
          case ex: FreshRunReq =>
            compiler.debugLog("fresh run req caught, starting new pass")
    } catch {
      case ex @ ShutdownReq =>
        compiler.debugLog("exiting presentation compiler")

        // make sure we don't keep around stale instances
        compiler = null
      case ex: Throwable =>

        ex match {
          case ex: FreshRunReq =>
            compiler.debugLog("fresh run req caught outside presentation compiler loop; ignored") // This shouldn't be reported
          case _ : Global#ValidateException => // This will have been reported elsewhere
            compiler.debugLog("validate exception caught outside presentation compiler loop; ignored")
          case _ => ex.printStackTrace(); compiler.informIDE("Fatal Error: "+ex)

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