1 files changed, 69 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/ant/sabbus/Use.scala b/src/compiler/scala/tools/ant/sabbus/Use.scala
new file mode 100644
index 0000000000..748e36f999
--- /dev/null
+++ b/src/compiler/scala/tools/ant/sabbus/Use.scala
@@ -0,0 +1,69 @@
+/*                     __                                               *\
+**     ________ ___   / /  ___     Scala Ant Tasks                      **
+**    / __/ __// _ | / /  / _ |    (c) 2005-2008, LAMP/EPFL             **
+**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
+** /____/\___/_/ |_/____/_/ | |                                         **
+**                          |/                                          **
+\*                                                                      */
+
+package scala.tools.ant.sabbus
+
+import java.io.File
+
+import org.apache.tools.ant.taskdefs.MatchingTask
+import org.apache.tools.ant.types.{Path, Reference}
+import org.apache.tools.ant.util.{GlobPatternMapper, SourceFileScanner}
+
+class Use extends MatchingTask {
+
+  def setId(input: String): Unit = {
+    id = Some(input)
+  }
+
+  def setSrcdir(input: File) {
+    sourceDir = Some(input)
+  }
+
+  def setFailOnError(input: Boolean): Unit = {
+    failOnError = input
+  }
+
+  private var id: Option[String] = None
+  private var sourceDir: Option[File] = None
+  private var failOnError: Boolean = true
+
+  override def execute(): Unit = {
+    if (id.isEmpty) error("Mandatory attribute 'id' is not set.")
+    if (sourceDir.isEmpty) error("Mandatory attribute 'srcdir' is not set.")
+    val compiler = Compilers(id.get)
+    val mapper = new GlobPatternMapper()
+    mapper.setTo("*.class")
+    mapper.setFrom("*.scala")
+    val includedFiles: Array[File] =
+      new SourceFileScanner(this).restrict(
+        getDirectoryScanner(sourceDir.get).getIncludedFiles,
+        sourceDir.get,
+        compiler.settings.d,
+        mapper
+      ) map (new File(sourceDir.get, _))
+    if (includedFiles.size > 0)
+      try {
+        log("Compiling " + includedFiles.size + " file" + (if (includedFiles.size > 1) "s" else "") + " to " + compiler.settings.d.getAbsolutePath)
+        //for (f <- includedFiles) log("   " + f.getAbsolutePath)
+          //log("Attributes are " + compiler.settings.toArgs)
+        val (errors, warnings) = compiler.compile(includedFiles)
+        if (errors > 0)
+          error("Compilation failed with " + errors + " error" + (if (errors > 1) "s" else "") + ".")
+        else if (warnings > 0)
+          log("Compilation suceeded with " + warnings + " warning" + (if (warnings > 1) "s" else "") + ".")
+      }
+      catch {
+        case CompilationFailure(msg, ex) =>
+          ex.printStackTrace
+          val errorMsg =
+            "Compilation failed because of an internal compiler error (" + msg + "); see the error output for details."
+          if (failOnError) error(errorMsg) else log(errorMsg)
+      }
+  }
+
+}