Various additions and improvements, in preparation for addition of unpicklers.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/dotty/tools/dotc/core/Annotations.scala b/src/dotty/tools/dotc/core/Annotations.scala
index 71e747598..8aead084d 100644
--- a/src/dotty/tools/dotc/core/Annotations.scala
+++ b/src/dotty/tools/dotc/core/Annotations.scala
@@ -9,4 +9,16 @@ object Annotations {
     def appliesToModule: Boolean = ???
   }
 
+  abstract class InternalAnnotation extends Annotation {
+
+  }
+
+  case class Alias(sym: Symbol) extends InternalAnnotation {
+
+  }
+
+  case class Child(child: ClassSymbol) extends InternalAnnotation {
+
+  }
+
 }
\ No newline at end of file