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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 Names
open Constr
open Mod_subst
(** This module implements the handling of opaque proof terms.
Opaque proof terms are special since:
- they can be lazily computed and substituted
- they are stored in an optionally loaded segment of .vo files
An [opaque] proof terms holds the real data until fully discharged.
In this case it is called [direct].
When it is [turn_indirect] the data is relocated to an opaque table
and the [opaque] is turned into an index. *)
type proofterm = (constr * Univ.ContextSet.t) Future.computation
type opaquetab
type opaque
val empty_opaquetab : opaquetab
(** From a [proofterm] to some [opaque]. *)
val create : univs:int -> proofterm -> opaque
(** Turn a direct [opaque] into an indirect one. It is your responsibility to
hashcons the inner term beforehand. The integer is an hint of the maximum id
used so far *)
val turn_indirect : DirPath.t -> opaque -> opaquetab -> opaque * opaquetab
type work_list = (Univ.Instance.t * Id.t array) Cmap.t *
(Univ.Instance.t * Id.t array) Mindmap.t
type cooking_info = {
modlist : work_list;
abstract : Constr.named_context * Univ.Instance.t * Univ.AUContext.t }
type indirect_accessor = {
access_proof : DirPath.t -> int -> constr option;
access_discharge : cooking_info list -> int -> constr -> constr;
}
(** When stored indirectly, opaque terms are indexed by their library
dirpath and an integer index. The two functions above activate
this indirect storage, by telling how to retrieve terms.
*)
(** From a [opaque] back to a [constr]. This might use the
indirect opaque accessor given as an argument. *)
val force_proof : indirect_accessor -> opaquetab -> opaque -> constr
val force_constraints : indirect_accessor -> opaquetab -> opaque -> Univ.ContextSet.t
val get_direct_constraints : opaque -> Univ.ContextSet.t Future.computation
val subst_opaque : substitution -> opaque -> opaque
val discharge_direct_opaque :
cooking_info -> opaque -> opaque
val join_opaque : ?except:Future.UUIDSet.t -> opaquetab -> opaque -> unit
val dump : ?except:Future.UUIDSet.t -> opaquetab ->
(cooking_info list * int * Constr.t option) array *
int Future.UUIDMap.t
|
