Why not just use Java target with Kotlin?
JetBrains claims Kotlin has good interoperability with Java.
> --
> You received this message because you are subscribed to the Google Groups
> "antlr-discussion" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to
antlr-discussi...@googlegroups.com.
> For more options, visit
https://groups.google.com/d/optout.