(* camlp4r *)
(***********************************************************************)
(*                                                                     *)
(*                             Camlp4                                  *)
(*                                                                     *)
(*        Daniel de Rauglaudre, projet Cristal, INRIA Rocquencourt     *)
(*                                                                     *)
(*  Copyright 2002 Institut National de Recherche en Informatique et   *)
(*  Automatique.  Distributed only by permission.                      *)
(*                                                                     *)
(***********************************************************************)

(* $Id$ *)

type expander =
  [ ExStr of bool -> string -> string
  | ExAst of (string -> MLast.expr * string -> MLast.patt) ]
;

value expanders_table = ref [];

value default = ref "";
value translate = ref (fun x -> x);

value expander_name name =
  match translate.val name with
  [ "" -> default.val
  | name -> name ]
;

value find name = List.assoc (expander_name name) expanders_table.val;

value add name f = expanders_table.val := [(name, f) :: expanders_table.val];
