+++ /dev/null
-(* Copyright (C) 2000-2002, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
-
-exception Bad_pattern of string Lazy.t
-
-(* Returns the first meta whose number is above the *)
-(* number of the higher meta. *)
-val new_meta_of_proof : proof:ProofEngineTypes.proof -> int
-
-val subst_meta_in_proof :
- ProofEngineTypes.proof ->
- int -> Cic.term -> Cic.metasenv ->
- ProofEngineTypes.proof * Cic.metasenv
-val subst_meta_and_metasenv_in_proof :
- ProofEngineTypes.proof ->
- int -> Cic.substitution -> Cic.metasenv ->
- ProofEngineTypes.proof * Cic.metasenv
-
-(* returns the list of goals that are in newmetasenv and were not in
- oldmetasenv *)
-val compare_metasenvs :
- oldmetasenv:Cic.metasenv -> newmetasenv:Cic.metasenv -> int list
-
-
-(** { Patterns }
- * A pattern is a Cic term in which Cic.Implicit terms annotated with `Hole
- * appears *)
-
-(** create a pattern from a term and a list of subterms.
-* the pattern is granted to have a ? for every subterm that has no selected
-* subterms
-* @param equality equality function used while walking the term. Defaults to
-* physical equality (==) *)
-val pattern_of:
- ?equality:(Cic.term -> Cic.term -> bool) -> term:Cic.term -> Cic.term list ->
- Cic.term
-
-
-(** select metasenv conjecture pattern
-* select all subterms of [conjecture] matching [pattern].
-* It returns the set of matched terms (that can be compared using physical
-* equality to the subterms of [conjecture]) together with their contexts.
-* The representation of the set mimics the conjecture type (but for the id):
-* a list of (possibly removed) hypothesis (without their names) together with
-* the list of its matched subterms (and their contexts) + the list of matched
-* subterms of the conclusion with their context. Note: in the result the list
-* of hypotheses * has an entry for each entry in the context and in the same
-* order. Of course the list of terms (with their context) associated to one
-* hypothesis may be empty.
-*
-* @raise Bad_pattern
-* *)
-val select:
- metasenv:Cic.metasenv ->
- subst:Cic.substitution ->
- ugraph:CicUniv.universe_graph ->
- conjecture:Cic.conjecture ->
- pattern:ProofEngineTypes.lazy_pattern ->
- Cic.substitution * Cic.metasenv * CicUniv.universe_graph *
- [ `Decl of (Cic.context * Cic.term) list
- | `Def of (Cic.context * Cic.term) list * (Cic.context * Cic.term) list
- ] option list *
- (Cic.context * Cic.term) list
-
-(** locate_in_term equality what where context
-* [what] must match a subterm of [where] according to [equality]
-* It returns the matched terms together with their contexts in [where]
-* [equality] defaults to physical equality
-* [context] must be the context of [where]
-*)
-val locate_in_term:
- ?equality:(Cic.context -> Cic.term -> Cic.term -> bool) ->
- Cic.term -> where:Cic.term -> Cic.context -> (Cic.context * Cic.term) list
-
-(** locate_in_conjecture equality what where context
-* [what] must match a subterm of [where] according to [equality]
-* It returns the matched terms together with their contexts in [where]
-* [equality] defaults to physical equality
-* [context] must be the context of [where]
-*)
-val locate_in_conjecture:
- ?equality:(Cic.context -> Cic.term -> Cic.term -> bool) ->
- Cic.term -> Cic.conjecture -> (Cic.context * Cic.term) list
-
-(* returns the index and the type of a premise in a context *)
-val lookup_type: Cic.metasenv -> Cic.context -> string -> int * Cic.term
-
-(* orders a metasenv w.r.t. dependency among metas *)
-val sort_metasenv: Cic.metasenv -> Cic.metasenv
-
-(* finds an hypothesis by name in the context *)
-val find_hyp: string -> Cic.context -> Cic.term * Cic.term
-
-(* sort pattern hypotheses from the smallest to the highest Rel *)
-val sort_pattern_hyps:
- Cic.context -> ProofEngineTypes.lazy_pattern -> ProofEngineTypes.lazy_pattern
-
-
-(* FG: some helper functions ************************************************)
-
-val get_name: Cic.context -> int -> string option
-
-val get_rel: Cic.context -> string -> Cic.term option
-
-(* split_with_whd (c, t) takes a type t typed in the context c and returns
- [(c_0, t_0); (c_1, t_1); ...; (c_n, t_n)], n where t_0 is the conclusion of
- t and t_i is the premise of t accessed by Rel i in t_0.
- Performes a whd on the conclusion before giving up.
- Each t_i is returned with a context c_i in wich it is typed
- split_with_normalize (c, t) normalizes t before operating the split
- whd is useless here
-*)
-val split_with_whd: Cic.context * Cic.term ->
- (Cic.context * Cic.term) list * int
-val split_with_normalize: Cic.context * Cic.term ->
- (Cic.context * Cic.term) list * int
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