1 (* Copyright (C) 2005, 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
10 * of the License, or (at your option) any later version.
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
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://helm.cs.unibo.it/
31 | RuleId of CicNotationParser.rule_id
32 | InterpretationId of TermAcicContent.interpretation_id
33 | PrettyPrinterId of TermContentPres.pretty_printer_id
35 let parser_ref_counter = RefCounter.create ()
36 let rule_ids_to_items = Hashtbl.create 113
38 let process_notation st =
40 | Notation (loc, dir, l1, associativity, precedence, l2) ->
41 let item = (l1, precedence, associativity, l2) in
42 let rule_id = ref [] in
44 if dir <> Some `RightToLeft then
45 let create_cb (l1, precedence, associativity, l2) =
47 CicNotationParser.extend l1 ?precedence ?associativity
49 CicNotationPt.AttributedTerm
50 (`Loc loc,TermContentPres.instantiate_level2 env l2)) in
51 rule_id := [ RuleId id ];
52 Hashtbl.add rule_ids_to_items id item
54 RefCounter.incr ~create_cb parser_ref_counter item
57 if dir <> Some `LeftToRight then
59 (TermContentPres.add_pretty_printer ?precedence ?associativity
65 | Interpretation (loc, dsc, l2, l3) ->
66 let interp_id = TermAcicContent.add_interpretation dsc l2 l3 in
67 [InterpretationId interp_id]
70 let remove_notation = function
74 Hashtbl.find rule_ids_to_items id
75 with Not_found -> assert false in
76 RefCounter.decr ~delete_cb:(fun _ -> CicNotationParser.delete id)
77 parser_ref_counter item
78 | PrettyPrinterId id -> TermContentPres.remove_pretty_printer id
79 | InterpretationId id -> TermAcicContent.remove_interpretation id
81 let get_all_notations () =
83 (fun (interp_id, dsc) ->
84 InterpretationId interp_id, "interpretation: " ^ dsc)
85 (TermAcicContent.get_all_interpretations ())
87 let get_active_notations () =
88 List.map (fun id -> InterpretationId id)
89 (TermAcicContent.get_active_interpretations ())
91 let set_active_notations ids =
94 (function InterpretationId interp_id -> Some interp_id | _ -> None)
97 TermAcicContent.set_active_interpretations interp_ids
100 TermContentPres.reset ();
101 TermAcicContent.reset ()