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/* __ *\
** ________ ___ / / ___ Scala Ant Tasks **
** / __/ __// _ | / / / _ | (c) 2005-2010, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
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
val s = settings
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 stringSettings =
List(s.outdir, s.classpath, s.bootclasspath, s.extdirs, s.encoding) flatMap (x => List(x.name, x.value))
val serverOption =
serverAddr.toList flatMap (x => List("-server", x)) // '-server' option
val choiceSettings =
List(s.debuginfo, s.target) map (x => "%s:%s".format(x.name, x.value))
val booleanSettings =
List(s.debug, s.deprecation, s.nopredefs, s.verbose, reset, shutdown) map (x => if (x.value) List(x.name) else Nil) flatten
val phaseSetting = {
val s = settings.log
if (s.value.isEmpty) Nil
else List("%s:%s".format(s.name, s.value.mkString(",")))
}
val cmdOptions =
stringSettings ::: serverOption ::: choiceSettings ::: booleanSettings ::: phaseSetting
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.")
}
}
}
}
|
