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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Util
open Names
open Univ
let qualid_of_level l =
match Level.name l with
| Some qid ->
(try Some (Nametab.shortest_qualid_of_universe qid)
with Not_found -> None)
| None -> None
let pr_with_global_universes l =
match qualid_of_level l with
| Some qid -> Libnames.pr_qualid qid
| None -> Level.pr l
(** Global universe information outside the kernel, to handle
polymorphic universe names in sections that have to be discharged. *)
(** Local universe names of polymorphic references *)
type universe_binders = Univ.Level.t Names.Id.Map.t
let empty_binders = Id.Map.empty
let name_universe lvl =
(* Best-effort naming from the string representation of the level. This is
completely hackish and should be solved in upper layers instead. *)
Id.of_string_soft (Level.to_string lvl)
let compute_instance_binders inst ubinders =
let revmap = Id.Map.fold (fun id lvl accu -> LMap.add lvl id accu) ubinders LMap.empty in
let map lvl =
try Name (LMap.find lvl revmap)
with Not_found -> Name (name_universe lvl)
in
Array.map map (Instance.to_array inst)
type univ_name_list = Names.lname list
let universe_binders_with_opt_names orig names =
let orig = AUContext.names orig in
let orig = Array.to_list orig in
let udecl = match names with
| None -> orig
| Some udecl ->
try
List.map2 (fun orig {CAst.v = na} ->
match na with
| Anonymous -> orig
| Name id -> Name id) orig udecl
with Invalid_argument _ ->
let len = List.length orig in
CErrors.user_err ~hdr:"universe_binders_with_opt_names"
Pp.(str "Universe instance should have length " ++ int len)
in
let fold i acc na = match na with
| Name id -> Names.Id.Map.add id (Level.var i) acc
| Anonymous -> acc
in
List.fold_left_i fold 0 empty_binders udecl
¤ Dauer der Verarbeitung: 0.19 Sekunden
(vorverarbeitet)
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