structure ccross:> CCROSS = struct
  structure T:> TOKENIZER =
    Tokenizer(structure H = Hashtable; structure S = Stream)

  structure P:> CPP = Cpp(T)

  structure D:> DRIVER = Driver(P)

  structure ExnHandler:> EXN_HANDLER =
    ExnHandler(structure T = T; structure P = P)
end

val () = MLton.Exn.setTopLevelHandler ccross.ExnHandler.handler
val () = ccross.D.exec ()