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(*                                                                          *)

(*                                   OCaml                                  *)

(*                                                                          *)

(*                            INRIA Rocquencourt                            *)

(*                                                                          *)

(*  Copyright  2006   Institut National de Recherche  en  Informatique et   *)

(*  en Automatique.  All rights reserved.  This file is distributed under   *)

(*  the terms of the GNU Library General Public License, with the special   *)

(*  exception on linking described in LICENSE at the top of the Camlp4      *)

(*  source tree.                                                            *)

(*                                                                          *)

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(* Authors:

 * - Daniel de Rauglaudre: initial version

 * - Nicolas Pouillard: refactoring

 *)

module Make (Ast : Sig.Camlp4Ast)

: Sig.AstFilters with module Ast = Ast

= struct

  module Ast = Ast;

  type filter 'a = 'a -> 'a;

  value interf_filters = Queue.create ();

  value fold_interf_filters f i = Queue.fold f i interf_filters;

  value implem_filters = Queue.create ();

  value fold_implem_filters f i = Queue.fold f i implem_filters;

  value topphrase_filters = Queue.create ();

  value fold_topphrase_filters f i = Queue.fold f i topphrase_filters;

  value register_sig_item_filter f = Queue.add f interf_filters;

  value register_str_item_filter f = Queue.add f implem_filters;

  value register_topphrase_filter f = Queue.add f topphrase_filters;

end;