1 (* Copyright (C) 2004-2005, 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 type pattern_kind = Variable | Constructor
34 val classify : pattern_t -> pattern_kind
35 val tag_of_pattern : pattern_t -> tag_t * pattern_t list
36 val tag_of_term : term_t -> tag_t * term_t list
39 val string_of_term: term_t -> string
40 val string_of_pattern: pattern_t -> string
43 module Matcher (P: PATTERN) :
45 (** @param patterns pattern matrix (pairs <pattern, pattern_id>)
46 * @param success_cb callback invoked in case of matching.
47 * Its argument are the list of pattern who matches the input term, the list
48 * of terms bound in them, the list of terms which matched constructors.
49 * Its return value is Some _ if the matching is valid, None otherwise; the
50 * latter kind of return value will trigger backtracking in the pattern
52 * @param failure_cb callback invoked in case of matching failure
53 * @param term term on which pattern match on *)
55 (P.pattern_t * int) list ->
56 ((P.pattern_t list * int) list -> P.term_t list -> P.term_t list ->
57 'a option) -> (* terms *) (* constructors *)
58 (unit -> 'a option) ->
59 (P.term_t -> 'a option)
64 (** @param l2_patterns level 2 (AST) patterns *)
66 (CicNotationPt.term * int) list ->
67 (CicNotationPt.term ->
68 (CicNotationEnv.t * CicNotationPt.term list * int) option)
73 (** @param l3_patterns level 3 (CIC) patterns (AKA cic_appl_pattern) *)
75 (CicNotationPt.cic_appl_pattern * int) list ->
77 ((string * Cic.annterm) list * Cic.annterm list * int) option)