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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15 * GNU General Public License for more details.
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19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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23 * http://helm.cs.unibo.it/
29 | RuleId of CicNotationParser.rule_id
30 | InterpretationId of CicNotationRew.interpretation_id
31 | PrettyPrinterId of CicNotationRew.pretty_printer_id
33 let process_notation st =
35 | Notation (loc, dir, l1, associativity, precedence, l2) ->
37 if dir <> Some `RightToLeft then
38 [ RuleId (CicNotationParser.extend l1 ?precedence ?associativity
39 (fun env loc -> CicNotationFwd.instantiate_level2 env l2)) ]
44 if dir <> Some `LeftToRight then
46 (CicNotationRew.add_pretty_printer ?precedence ?associativity
52 | Interpretation (loc, dsc, l2, l3) ->
53 let interp_id = CicNotationRew.add_interpretation dsc l2 l3 in
54 st, [ InterpretationId interp_id ]
57 let remove_notation = function
58 | RuleId id -> CicNotationParser.delete id
59 | PrettyPrinterId id -> CicNotationRew.remove_pretty_printer id
60 | InterpretationId id -> CicNotationRew.remove_interpretation id
62 let load_notation fname =
63 let ic = open_in fname in
64 let lexbuf = Ulexing.from_utf8_channel ic in
67 match GrafiteParser.parse_statement lexbuf with
68 | Executable (_, Command (_, cmd)) -> ignore (process_notation cmd)
71 with End_of_file -> close_in ic