/* __ *\ ** ________ ___ / / ___ Scala Ant Tasks ** ** / __/ __// _ | / / / _ | (c) 2005-2009, LAMP/EPFL ** ** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\___/_/ |_/____/_/ | | ** ** |/ ** \* */ // $Id: FastScalac.scala 18387 2009-07-24 15:28:37Z odersky $ package scala.tools.ant /** <p> * An Ant task to compile with the fast Scala compiler (<code>fsc</code>). * </p> * <p> * In addition to the attributes shared with the <code>Scalac</code> * task, this task also accepts the following attributes: * </p> * <ul style="font-family:Courier;"> * <li>reset</li> * <li>server</li> * <li>shutdown</li> * </ul> * * @author Stephane Micheloud */ class FastScalac extends Scalac { private var resetCaches: Boolean = false private var serverAddr: Option[String] = None private var shutdownServer: Boolean = false /*============================================================================*\ ** Properties setters ** \*============================================================================*/ /** Sets the <code>reset</code> attribute. Used by Ant. * * @param input The value for <code>reset</code>. */ def setReset(input: Boolean): Unit = resetCaches = input /** Sets the <code>server</code> attribute. Used by Ant. * * @param input The value for <code>server</code>. */ def setServer(input: String): Unit = { serverAddr = Some(input) } /** Sets the <code>shutdown</code> attribute. Used by Ant. * * @param input The value for <code>shutdown</code>. */ def setShutdown(input: Boolean): Unit = shutdownServer = input /*============================================================================*\ ** The execute method ** \*============================================================================*/ /** Performs the compilation. */ override def execute() = { val (settings, sourceFiles, javaOnly) = initialize if (!sourceFiles.isEmpty && !javaOnly) { def trim(xs: List[String]) = xs filter (x => x.length > 0) val reset = settings.BooleanSetting("-reset", "Reset compile server caches") val shutdown = settings.BooleanSetting("-shutdown", "Shutdown compile server") reset.value = resetCaches shutdown.value = shutdownServer val cmdOptions = // StringSetting List.flatten( List(settings.outdir, settings.classpath, settings.bootclasspath, settings.extdirs, settings.encoding) map (s => List(s.name, s.value))) ::: // '-server' option (if (serverAddr.isEmpty) Nil else List("-server", serverAddr.get)) ::: // ChoiceSetting (List(settings.debuginfo, settings.target) map (s => s.name + ":" + s.value)) ::: // BooleanSetting trim( List(settings.debug, settings.deprecation, settings.nopredefs, settings.verbose, reset, shutdown) map (s => if (s.value) s.name else "")) ::: // PhaseSetting trim( List(settings.log) map (s => if (s.value.isEmpty) "" else s.name + ":" + s.value)) val args = (cmdOptions ::: (sourceFiles map (_.toString))).toArray try { if (scala.tools.nsc.CompileClient.main0(args) > 0 && failonerror) error("Compile failed; see the compiler error output for details.") } catch { case exception: Throwable if (exception.getMessage ne null) => exception.printStackTrace() error("Compile failed because of an internal compiler error (" + exception.getMessage + "); see the error output for details.") case exception => exception.printStackTrace() error("Compile failed because of an internal compiler error " + "(no error message provided); see the error output for details.") } } } }