1 (* Copyright (C) 2000-2002, 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://cs.unibo.it/helm/.
26 exception Bad_pattern of string
28 (* Returns the first meta whose number is above the *)
29 (* number of the higher meta. *)
30 val new_meta_of_proof : proof:ProofEngineTypes.proof -> int
32 val subst_meta_in_proof :
33 ProofEngineTypes.proof ->
34 int -> Cic.term -> Cic.metasenv ->
35 ProofEngineTypes.proof * Cic.metasenv
36 val subst_meta_and_metasenv_in_proof :
37 ProofEngineTypes.proof ->
38 int -> (Cic.term -> Cic.term) -> Cic.metasenv ->
39 ProofEngineTypes.proof * Cic.metasenv
41 (* returns the list of goals that are in newmetasenv and were not in
43 val compare_metasenvs :
44 oldmetasenv:Cic.metasenv -> newmetasenv:Cic.metasenv -> int list
48 * A pattern is a Cic term in which Cic.Implicit terms annotated with `Hole
51 (** create a pattern from a term and a list of subterms.
52 * the pattern is granted to have a ? for every subterm that has no selected
54 * @param equality equality function used while walking the term. Defaults to
55 * physical equality (==) *)
57 ?equality:(Cic.term -> Cic.term -> bool) -> term:Cic.term -> Cic.term list ->
61 (** select metasenv conjecture pattern
62 * select all subterms of [conjecture] matching [pattern].
63 * It returns the set of matched terms (that can be compared using physical
64 * equality to the subterms of [conjecture]) together with their contexts.
65 * The representation of the set mimics the conjecture type (but for the id):
66 * a list of (possibly removed) hypothesis (without their names) together with
67 * the list of its matched subterms (and their contexts) + the list of matched
68 * subterms of the conclusion with their context. Note: in the result the list
69 * of hypotheses * has an entry for each entry in the context and in the same
70 * order. Of course the list of terms (with their context) associated to one
71 * hypothesis may be empty. *)
73 metasenv:Cic.metasenv ->
74 ugraph:CicUniv.universe_graph ->
75 conjecture:Cic.conjecture ->
76 pattern:ProofEngineTypes.pattern ->
77 Cic.substitution * Cic.metasenv * CicUniv.universe_graph *
78 [ `Decl of (Cic.context * Cic.term) list
79 | `Def of (Cic.context * Cic.term) list * (Cic.context * Cic.term) list option
81 (Cic.context * Cic.term) list
83 (** locate_in_term equality what where context
84 * [what] must match a subterm of [where] according to [equality]
85 * It returns the matched terms together with their contexts in [where]
86 * [equality] defaults to physical equality
87 * [context] must be the context of [where]
90 ?equality:(Cic.term -> Cic.term -> bool) -> Cic.term -> where:Cic.term ->
91 Cic.context -> (Cic.context * Cic.term) list
93 (** locate_in_term equality what where context
94 * [what] must match a subterm of [where] according to [equality]
95 * It returns the matched terms together with their contexts in [where]
96 * [equality] defaults to physical equality
97 * [context] must be the context of [where]
99 val locate_in_conjecture:
100 ?equality:(Cic.term -> Cic.term -> bool) -> Cic.term -> Cic.conjecture ->
101 (Cic.context * Cic.term) list
103 (* saturate_term newmeta metasenv context ty *)
104 (* Given a type [ty] (a backbone), it returns its head and a new metasenv in *)
105 (* which there is new a META for each hypothesis, a list of arguments for the *)
106 (* new applications and the index of the last new META introduced. The nth *)
107 (* argument in the list of arguments is just the nth new META. *)
109 int -> Cic.metasenv -> Cic.context -> Cic.term ->
110 Cic.term * Cic.metasenv * Cic.term list * int
112 (* returns the index and the type of a premise in a context *)
113 val lookup_type: Cic.metasenv -> Cic.context -> string -> int * Cic.term