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package scala.tools.ant.sabbus
import java.io.File;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.{MatchingTask, Java}
import org.apache.tools.ant.util.{GlobPatternMapper, SourceFileScanner}
class ScalacFork extends MatchingTask with TaskArgs {
def setSrcdir(input: File) {
sourceDir = Some(input)
}
def setFailOnError(input: Boolean): Unit = {
failOnError = input
}
def setTimeout(input: Long): Unit = {
timeout = Some(input)
}
def setMaxMemory(input: String): Unit = {
maxmemory = Some(input)
}
private var sourceDir: Option[File] = None
private var failOnError: Boolean = true
private var timeout: Option[Long] = None
private var maxmemory: Option[String] = None
override def execute() {
if (compilerPath.isEmpty) error("Mandatory attribute 'compilerpath' is not set.")
if (sourceDir.isEmpty) error("Mandatory attribute 'srcdir' is not set.")
if (destinationDir.isEmpty) error("Mandatory attribute 'destdir' is not set.")
val settings = new Settings
settings.d = destinationDir.get
if (!compTarget.isEmpty) settings.target = compTarget.get
if (!compilationPath.isEmpty) settings.classpath = compilationPath.get
if (!sourcePath.isEmpty) settings.sourcepath = sourcePath.get
if (!params.isEmpty) settings.more = params.get
// not yet used: compilerPath, sourcedir (used in mapper), failonerror, timeout
val mapper = new GlobPatternMapper()
mapper.setTo("*.class")
mapper.setFrom("*.scala")
val includedFiles: Array[File] =
new SourceFileScanner(this).restrict(
getDirectoryScanner(sourceDir.get).getIncludedFiles,
sourceDir.get,
destinationDir.get,
mapper
) map (new File(sourceDir.get, _))
if (includedFiles.size > 0) {
log("Compiling "+ includedFiles.size +" file"+
(if (includedFiles.size > 1) "s" else "") +" to "+ destinationDir.get)
val java = new Java(this) // set this as owner
java.setFork(true)
java.setClasspath(compilerPath.get)
java.setClassname("scala.tools.nsc.Main")
if (!timeout.isEmpty) java.setTimeout(timeout.get)
if (!maxmemory.isEmpty) java.setMaxmemory(maxmemory.get)
for (arg <- settings.toArgs)
java.createArg().setValue(arg)
for (file <- includedFiles)
java.createArg().setFile(file)
log(java.getCommandLine.getCommandline.mkString("", " ", ""), Project.MSG_VERBOSE)
val res = java.executeJava()
if (failOnError && res != 0)
error("Compilation failed because of an internal compiler error;"+
" see the error output for details.")
}
}
}
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