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.
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8 * modify it under the terms of the GNU General Public License
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15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
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19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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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) ->
42 CicNotationParser.check_l1_pattern l1 precedence associativity
44 let item = (l1, precedence, associativity, l2) in
45 let rule_id = ref [] in
47 if dir <> Some `RightToLeft then
48 let create_cb (l1, precedence, associativity, l2) =
50 CicNotationParser.extend l1
52 CicNotationPt.AttributedTerm
53 (`Loc loc,TermContentPres.instantiate_level2 env l2)) in
54 rule_id := [ RuleId id ];
55 Hashtbl.add rule_ids_to_items id item
57 RefCounter.incr ~create_cb parser_ref_counter item
60 if dir <> Some `LeftToRight then
62 (TermContentPres.add_pretty_printer
68 | Interpretation (loc, dsc, l2, l3) ->
69 let interp_id = TermAcicContent.add_interpretation dsc l2 l3 in
70 [InterpretationId interp_id]
73 let remove_notation = function
77 Hashtbl.find rule_ids_to_items id
78 with Not_found -> assert false in
79 RefCounter.decr ~delete_cb:(fun _ -> CicNotationParser.delete id)
80 parser_ref_counter item
81 | PrettyPrinterId id -> TermContentPres.remove_pretty_printer id
82 | InterpretationId id -> TermAcicContent.remove_interpretation id
84 let get_all_notations () =
86 (fun (interp_id, dsc) ->
87 InterpretationId interp_id, "interpretation: " ^ dsc)
88 (TermAcicContent.get_all_interpretations ())
90 let get_active_notations () =
91 List.map (fun id -> InterpretationId id)
92 (TermAcicContent.get_active_interpretations ())
94 let set_active_notations ids =
97 (function InterpretationId interp_id -> Some interp_id | _ -> None)
100 TermAcicContent.set_active_interpretations interp_ids
103 TermContentPres.reset ();
104 TermAcicContent.reset ()