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.
12 * HELM is distributed in the hope that it will be useful,
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/
26 exception Parse_error of string
27 exception Level_not_found of int
29 type checked_l1_pattern = private CL1P of CicNotationPt.term * int
31 (** {2 Parsing functions} *)
33 (** concrete syntax pattern: notation level 1, the
34 * integer is the precedence *)
35 val parse_level1_pattern: int -> Ulexing.lexbuf -> CicNotationPt.term
37 (** AST pattern: notation level 2 *)
38 val parse_level2_ast: Ulexing.lexbuf -> CicNotationPt.term
39 val parse_level2_meta: Ulexing.lexbuf -> CicNotationPt.term
41 (** {2 Grammar extension} *)
45 val compare_rule_id : rule_id -> rule_id -> int
47 val check_l1_pattern: (* level1_pattern *)
48 CicNotationPt.term -> int -> Gramext.g_assoc -> checked_l1_pattern
52 (CicNotationEnv.t -> CicNotationPt.location -> CicNotationPt.term) ->
55 val delete: rule_id -> unit
57 (** {2 Grammar entries}
58 * needed by grafite parser *)
60 val level2_ast_grammar: unit -> Grammar.g
62 val term : unit -> CicNotationPt.term Grammar.Entry.e
64 val let_defs : unit ->
65 (CicNotationPt.term CicNotationPt.capture_variable list * CicNotationPt.term CicNotationPt.capture_variable * CicNotationPt.term * int) list
68 val protected_binder_vars : unit ->
69 (CicNotationPt.term list * CicNotationPt.term option) Grammar.Entry.e
71 val parse_term: Ulexing.lexbuf -> CicNotationPt.term
75 (** print "level2_pattern" entry on stdout, flushing afterwards *)
76 val print_l2_pattern: unit -> unit
78 val push: unit -> unit