1 files changed, 76 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/ant/sabbus/ScalacFork.scala b/src/compiler/scala/tools/ant/sabbus/ScalacFork.scala
new file mode 100644
index 0000000000..74928ec7ce
--- /dev/null
+++ b/src/compiler/scala/tools/ant/sabbus/ScalacFork.scala
@@ -0,0 +1,76 @@
+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.")
+    }
+  }
+}