1 (* Copyright (C) 2000-2002, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * GNU General Public License for more details.
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18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
27 let in_hypothesis = "'http://www.cs.unibo.it/helm/schemas/schema-helm#InHypothesis'" ;;
29 let main_hypothesis = "'http://www.cs.unibo.it/helm/schemas/schema-helm#MainHypothesis'" ;;
31 let main_conclusion = "'http://www.cs.unibo.it/helm/schemas/schema-helm#MainConclusion'" ;;
33 let in_conclusion = "'http://www.cs.unibo.it/helm/schemas/schema-helm#InConclusion'" ;;
35 let escape = Str.global_replace (Str.regexp_string "\'") "\\'";;
37 let hyp_const (conn:Mysql.dbd) uri =
38 let uri = escape uri in
39 (*query to obtain all the constants in the hypothesis of the theorem*)
41 "select h_occurrence from refObj where source='"^uri^
42 "' and (h_position="^main_hypothesis^" or h_position="^in_hypothesis^
43 "or h_position="^main_conclusion^" or h_position="^in_conclusion^")" in
44 (* prerr_endline ("$$$$$$$$$$$$$$$"^query);*)
45 let result = Mysql.exec conn query in
46 (* now we transform the result in a set *)
48 match (Array.to_list a) with
50 | _ -> assert false in
51 let result = Mysql.map ~f:f result in
54 NewConstraints.StringSet.add uri set)
55 NewConstraints.StringSet.empty result
58 (* for each uri check if its costants are a subset of
59 const, the set of the costants of the proof *)
60 let filter_new_constants (conn:Mysql.dbd) const (_,uri) =
61 let hyp = hyp_const conn uri in
62 (* prerr_endline (NewConstraints.pp_StringSet hyp);*)
63 NewConstraints.StringSet.subset hyp const