1 (* Copyright (C) 2004, 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 Meta_not_found of int
27 exception Subst_not_found of int
29 val lookup_meta: int -> Cic.metasenv -> Cic.conjecture
30 val lookup_subst: int -> Cic.substitution -> Cic.context * Cic.term * Cic.term
31 val exists_meta: int -> Cic.metasenv -> bool
32 val clean_up_local_context :
33 Cic.substitution -> Cic.metasenv -> int -> (Cic.term option) list
34 -> (Cic.term option) list
36 val is_closed : Cic.term -> bool
37 val is_meta_closed : Cic.term -> bool
38 val metas_of_term : Cic.term -> (int * Cic.term option list) list
40 (** @raise Failure "not enough prods" *)
41 val strip_prods: int -> Cic.term -> Cic.term
43 (** conversions between terms which are fully representable as uris (Var, Const,
44 * Mutind, and MutConstruct) and corresponding tree representations *)
45 val term_of_uri: UriManager.uri -> Cic.term (** @raise UriManager.IllFormedUri *)
46 val uri_of_term: Cic.term -> UriManager.uri (** @raise Invalid_argument "uri_of_term" *)
48 val id_of_annterm: Cic.annterm -> Cic.id
50 (** {2 Cic selectors} *)
52 val params_of_obj: Cic.obj -> UriManager.uri list
53 val attributes_of_obj: Cic.obj -> Cic.attribute list
55 (** mk_rels [howmany] [from]
56 * creates a list of [howmany] rels starting from [from] in decreasing order *)
57 val mk_rels : int -> int -> Cic.term list
59 (** {2 Uri hash consing} *)
60 val rehash_term: Cic.term -> Cic.term
61 val rehash_obj: Cic.obj -> Cic.obj