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 MetaSubstFailure of string
27 exception Uncertain of string
28 exception AssertFailure of string
29 exception DeliftingARelWouldCaptureAFreeVariable;;
31 (* The entry (i,t) in a substitution means that *)
32 (* (META i) have been instantiated with t. *)
33 (* type substitution = (int * (Cic.context * Cic.term)) list *)
35 (** @raise SubstNotFound *)
37 (* apply_subst subst t *)
38 (* applies the substitution [subst] to [t] *)
39 (* [subst] must be already unwinded *)
41 val apply_subst : Cic.substitution -> Cic.term -> Cic.term
42 val apply_subst_context : Cic.substitution -> Cic.context -> Cic.context
43 val apply_subst_metasenv: Cic.substitution -> Cic.metasenv -> Cic.metasenv
48 int -> Cic.substitution -> Cic.context -> Cic.metasenv ->
49 (Cic.term option) list -> Cic.term ->
50 Cic.term * Cic.metasenv * Cic.substitution
52 Cic.substitution -> (int * int) list -> Cic.metasenv ->
53 Cic.metasenv * Cic.substitution
55 (** delifts the Rels in t of n
56 * @raise DeliftingARelWouldCaptureAFreeVariable
59 Cic.substitution -> Cic.metasenv -> int -> Cic.term ->
60 Cic.term * Cic.substitution * Cic.metasenv
62 (** {2 Pretty printers} *)
64 val ppsubst_unfolded: Cic.substitution -> string
65 val ppsubst: Cic.substitution -> string
66 val ppterm: Cic.substitution -> Cic.term -> string
67 val ppcontext: ?sep: string -> Cic.substitution -> Cic.context -> string
68 val ppterm_in_context:
69 Cic.substitution -> Cic.term -> (Cic.name option) list -> string
70 val ppmetasenv: ?sep: string -> Cic.substitution -> Cic.metasenv -> string
72 (** {2 Format-like pretty printers}
73 * As above with prototypes suitable for toplevel/ocamldebug printers. No
74 * subsitutions are applied here since such printers are required to be invoked
75 * with only one argument.
78 val fppsubst: Format.formatter -> Cic.substitution -> unit
79 val fppterm: Format.formatter -> Cic.term -> unit
80 val fppmetasenv: Format.formatter -> Cic.metasenv -> unit
84 val print_counters: unit -> unit
85 val reset_counters: unit -> unit
88 (* val clean_up_meta :
89 Cic.substitution -> Cic.metasenv -> Cic.term -> Cic.term