(* Copyright (C) 2003-2005, 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://cs.unibo.it/helm/.
 *)

module L    = Librarian

module T  = ProceduralTypes
module P1 = Procedural1
module X  = ProceduralTeX

let tex_formatter = ref None

(* interface functions ******************************************************)

let procedural_of_acic_object ~ids_to_inner_sorts ~ids_to_inner_types 
   ?info ?depth ?flavour prefix anobj = 
   let st = P1.init ~ids_to_inner_sorts ~ids_to_inner_types ?depth [] in
   L.time_stamp "P : LEVEL 1  ";
   HLog.debug "Procedural: level 1 transformation";
   let steps = P1.proc_obj st ?flavour ?info anobj in
   let _ = match !tex_formatter with
      | None     -> ()
      | Some frm -> X.tex_of_steps frm ids_to_inner_sorts steps
   in
   L.time_stamp "P : RENDERING";
   HLog.debug "Procedural: grafite rendering";
   let r = List.rev (T.render_steps [] steps) in
   L.time_stamp "P : DONE     "; r

let procedural_of_acic_term ~ids_to_inner_sorts ~ids_to_inner_types ?depth
   prefix context annterm = 
   let st = P1.init ~ids_to_inner_sorts ~ids_to_inner_types ?depth context in
   HLog.debug "Procedural: level 1 transformation";
   let steps = P1.proc_proof st annterm in
   let _ = match !tex_formatter with
      | None     -> ()
      | Some frm -> X.tex_of_steps frm ids_to_inner_sorts steps
   in
   HLog.debug "Procedural: grafite rendering";
   List.rev (T.render_steps [] steps)