+(* Copyright (C) 2000-2002, 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/.
+ *)
+
+(******************************************************************************)
+(* *)
+(* PROJECT HELM *)
+(* *)
+(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
+(* 18/02/2003 *)
+(* *)
+(* *)
+(******************************************************************************)
+
+ (* search arguments on which Apply tactic doesn't fail *)
+let searchPattern ?(output_html = (fun _ -> ())) ~choose_must () ~status =
+ let ((_, metasenv, _, _), metano) = status in
+ let (_, ey ,ty) = List.find (function (m,_,_) -> m=metano) metasenv in
+ let list_of_must,only = MQueryLevels.out_restr metasenv ey ty in
+ let must = choose_must list_of_must only in
+ let torigth_restriction (u,b) =
+ let p =
+ if b then
+ "http://www.cs.unibo.it/helm/schemas/schema-helm#MainConclusion"
+ else
+ "http://www.cs.unibo.it/helm/schemas/schema-helm#InConclusion"
+ in
+ (u,p,None)
+ in
+ let rigth_must = List.map torigth_restriction must in
+ let rigth_only = Some (List.map torigth_restriction only) in
+ let result =
+ MQueryGenerator.searchPattern
+ (rigth_must,[],[]) (rigth_only,None,None) in
+ let uris =
+ List.map
+ (function uri,_ ->
+ MQueryMisc.wrong_xpointer_format_from_wrong_xpointer_format' uri
+ ) result in
+ let uris',exc =
+ let rec filter_out =
+ function
+ [] -> [],""
+ | uri::tl ->
+ let tl',exc = filter_out tl in
+ try
+ if
+ (try
+ ignore
+ (PrimitiveTactics.apply_tac
+ ~term:(MQueryMisc.term_of_cic_textual_parser_uri
+ (MQueryMisc.cic_textual_parser_uri_of_string uri))
+ ~status);
+ true
+ with ProofEngineTypes.Fail _ -> false)
+ then
+ uri::tl',exc
+ else
+ tl',exc
+ with
+ e ->
+ let exc' =
+ "<h1 color=\"red\"> ^ Exception raised trying to apply " ^
+ uri ^ ": " ^ Printexc.to_string e ^ " </h1>" ^ exc
+ in
+ tl',exc'
+ in
+ filter_out uris
+ in
+ let html' =
+ " <h1>Objects that can actually be applied: </h1> " ^
+ String.concat "<br>" uris' ^ exc ^
+ " <h1>Number of false matches: " ^
+ string_of_int (List.length uris - List.length uris') ^ "</h1>" ^
+ " <h1>Number of good matches: " ^
+ string_of_int (List.length uris') ^ "</h1>"
+ in
+ output_html html' ;
+ uris'
+;;
+