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
9 * as published by the Free Software Foundation; either version 2
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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
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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 compare_notation_id x y =
37 | RuleId i1, RuleId i2 -> CicNotationParser.compare_rule_id i1 i2
40 | x,y -> Pervasives.compare x y
42 let parser_ref_counter = RefCounter.create ()
43 let rule_ids_to_items = Hashtbl.create 113
45 let process_notation st =
47 | Notation (loc, dir, l1, associativity, precedence, l2) ->
49 CicNotationParser.check_l1_pattern l1 precedence associativity
51 let item = (l1, precedence, associativity, l2) in
52 let rule_id = ref [] in
54 if dir <> Some `RightToLeft then
55 let create_cb (l1, precedence, associativity, l2) =
57 CicNotationParser.extend l1
59 CicNotationPt.AttributedTerm
60 (`Loc loc,TermContentPres.instantiate_level2 env l2)) in
61 rule_id := [ RuleId id ];
62 Hashtbl.add rule_ids_to_items id item
64 RefCounter.incr ~create_cb parser_ref_counter item
67 if dir <> Some `LeftToRight then
69 (TermContentPres.add_pretty_printer
75 | Interpretation (loc, dsc, l2, l3) ->
76 let interp_id = TermAcicContent.add_interpretation dsc l2 l3 in
77 [InterpretationId interp_id]
80 let remove_notation = function
84 Hashtbl.find rule_ids_to_items id
85 with Not_found -> assert false in
86 RefCounter.decr ~delete_cb:(fun _ -> CicNotationParser.delete id)
87 parser_ref_counter item
88 | PrettyPrinterId id -> TermContentPres.remove_pretty_printer id
89 | InterpretationId id -> TermAcicContent.remove_interpretation id
91 let get_all_notations () =
93 (fun (interp_id, dsc) ->
94 InterpretationId interp_id, "interpretation: " ^ dsc)
95 (TermAcicContent.get_all_interpretations ())
97 let get_active_notations () =
98 List.map (fun id -> InterpretationId id)
99 (TermAcicContent.get_active_interpretations ())
101 let set_active_notations ids =
104 (function InterpretationId interp_id -> Some interp_id | _ -> None)
107 TermAcicContent.set_active_interpretations interp_ids
110 TermContentPres.reset ();
111 TermAcicContent.reset ()