1 files changed, 32 insertions, 0 deletions
diff --git a/src/repl/scala/tools/nsc/interpreter/ByteCode.scala b/src/repl/scala/tools/nsc/interpreter/ByteCode.scala
new file mode 100644
index 0000000000..e1e3678837
--- /dev/null
+++ b/src/repl/scala/tools/nsc/interpreter/ByteCode.scala
@@ -0,0 +1,32 @@
+/* NSC -- new Scala compiler
+ * Copyright 2005-2013 LAMP/EPFL
+ * @author Paul Phillips
+ */
+
+package scala.tools.nsc
+package interpreter
+
+import java.lang.reflect
+import util.ScalaClassLoader
+import ScalaClassLoader.appLoader
+import scala.reflect.NameTransformer._
+
+object ByteCode {
+  /** Until I figure out why I can't get scalap onto the classpath such
+   *  that the compiler will bootstrap, we have to use reflection.
+   */
+  private lazy val DECODER: Option[AnyRef] =
+    for (clazz <- appLoader.tryToLoadClass[AnyRef]("scala.tools.scalap.Decode$")) yield
+      clazz.getField(MODULE_INSTANCE_NAME).get(null)
+
+  private def decoderMethod(name: String, args: JClass*): Option[reflect.Method] = {
+    for (decoder <- DECODER ; m <- Option(decoder.getClass.getMethod(name, args: _*))) yield m
+  }
+
+  private lazy val aliasMap = {
+    for (module <- DECODER ; method <- decoderMethod("typeAliases", classOf[String])) yield
+      method.invoke(module, _: String).asInstanceOf[Option[Map[String, String]]]
+  }
+
+  def aliasesForPackage(pkg: String) = aliasMap flatMap (_(pkg))
+}