Introduces scala-reflect.jar

1 files changed, 24 insertions, 0 deletions

diff --git a/src/reflect/scala/reflect/internal/MissingRequirementError.scala b/src/reflect/scala/reflect/internal/MissingRequirementError.scala
new file mode 100644
index 0000000000..fbbbcc1928
--- /dev/null
+++ b/src/reflect/scala/reflect/internal/MissingRequirementError.scala
@@ -0,0 +1,24 @@
+/* NSC -- new Scala compiler
+ * Copyright 2005-2011 LAMP/EPFL
+ * @author  Martin Odersky
+ */
+
+package scala.reflect
+package internal
+
+class MissingRequirementError private (msg: String) extends FatalError(msg) {
+  import MissingRequirementError.suffix
+  def req: String = if (msg endsWith suffix) msg dropRight suffix.length else msg
+}
+
+object MissingRequirementError {
+  private val suffix = " not found."
+  def signal(msg: String): Nothing = throw new MissingRequirementError(msg)
+  def notFound(req: String): Nothing = signal(req + suffix)
+  def unapply(x: Throwable): Option[String] = x match {
+    case x: MissingRequirementError => Some(x.req)
+    case _ => None
+  }
+}
+
+