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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \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 Libobject
open Structures
let open_canonical_structure i (_, (o,_)) =
let env = Global.env () in
let sigma = Evd.from_env env in
if Int.equal i 1 then Instance.register env sigma ~warn:false o
let cache_canonical_structure (_, (o,_)) =
let env = Global.env () in
let sigma = Evd.from_env env in
Instance.register ~warn:true env sigma o
let discharge_canonical_structure (_,(x, local)) =
let gref = Instance.repr x in
if local || (Globnames.isVarRef gref && Lib.is_in_section gref) then None
else Some (x, local)
let inCanonStruc : Instance.t * bool -> obj =
declare_object {(default_object "CANONICAL-STRUCTURE") with
open_function = simple_open open_canonical_structure;
cache_function = cache_canonical_structure;
subst_function = (fun (subst,(c,local)) -> Instance.subst subst c, local);
classify_function = (fun x -> Substitute x);
discharge_function = discharge_canonical_structure }
let add_canonical_structure x = Lib.add_anonymous_leaf (inCanonStruc x)
let declare_canonical_structure ?(local=false) ref =
let env = Global.env () in
let sigma = Evd.from_env env in
add_canonical_structure (Instance.make env sigma ref, local)
|
