(* Copyright (C) 2005, HELM Team.
 * 
 * This file is part of HELM, an Hypertextual, Electronic
 * Library of Mathematics, developed at the Computer Science
 * Department, University of Bologna, Italy.
 * 
 * HELM is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * HELM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HELM; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 * 
 * For details, see the HELM World-Wide-Web page,
 * http://helm.cs.unibo.it/
 *)

exception Parse_error of Token.flocation * string

(** {2 Parsing functions} *)

val parse_level1_pattern: char Stream.t -> unit
(*val parse_level2_pattern: char Stream.t -> unit*)

(** {2 Grammar extensions} *)

(*val term: CicAst.term Grammar.Entry.e   |+* recursive rule +|*)
(*val term0: CicAst.term Grammar.Entry.e  |+* top level rule +|*)

(*val return_term: CicAst.location -> CicAst.term -> CicAst.term*)

  (** raise a parse error *)
(*val fail: CicAst.location -> string -> 'a*)