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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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
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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 initial_parser_ref_counter () = RefCounter.create ()
43 let initial_rule_ids_to_items ()= Hashtbl.create 113
45 let parser_ref_counter = ref (initial_parser_ref_counter ());;
46 let rule_ids_to_items = ref (initial_rule_ids_to_items ());;
48 let process_notation st =
50 | Notation (loc, dir, l1, associativity, precedence, l2) ->
52 CicNotationParser.check_l1_pattern l1 precedence associativity
54 let item = (l1, precedence, associativity, l2) in
55 let rule_id = ref [] in
57 if dir <> Some `RightToLeft then
58 let create_cb (l1, precedence, associativity, l2) =
60 CicNotationParser.extend l1
62 CicNotationPt.AttributedTerm
63 (`Loc loc,TermContentPres.instantiate_level2 env l2)) in
64 rule_id := [ RuleId id ];
65 Hashtbl.add !rule_ids_to_items id item
67 RefCounter.incr ~create_cb !parser_ref_counter item
70 if dir <> Some `LeftToRight then
72 (TermContentPres.add_pretty_printer
78 | Interpretation (loc, dsc, l2, l3) ->
79 let interp_id = TermAcicContent.add_interpretation dsc l2 l3 in
80 [InterpretationId interp_id]
83 let remove_notation = function
87 Hashtbl.find !rule_ids_to_items id
88 with Not_found -> assert false in
89 RefCounter.decr ~delete_cb:(fun _ -> CicNotationParser.delete id)
90 !parser_ref_counter item
91 | PrettyPrinterId id -> TermContentPres.remove_pretty_printer id
92 | InterpretationId id -> TermAcicContent.remove_interpretation id
94 let get_all_notations () =
96 (fun (interp_id, dsc) ->
97 InterpretationId interp_id, "interpretation: " ^ dsc)
98 (TermAcicContent.get_all_interpretations ())
100 let get_active_notations () =
101 List.map (fun id -> InterpretationId id)
102 (TermAcicContent.get_active_interpretations ())
104 let set_active_notations ids =
107 (function InterpretationId interp_id -> Some interp_id | _ -> None)
110 TermAcicContent.set_active_interpretations interp_ids
112 let history = ref [];;
115 history := (!parser_ref_counter,!rule_ids_to_items) :: !history;
116 parser_ref_counter := initial_parser_ref_counter ();
117 rule_ids_to_items := initial_rule_ids_to_items ();
118 TermContentPres.push ();
119 TermAcicContent.push ();
120 CicNotationParser.push ()
124 TermContentPres.pop ();
125 TermAcicContent.pop ();
126 CicNotationParser.pop ();
129 | (prc,riti) :: tail ->
130 parser_ref_counter := prc;
131 rule_ids_to_items := riti;