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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 Names
(** Evaluable references (whose transparency can be controlled). *)
type evaluable =
| EvalVarRef of Id.t
| EvalConstRef of Constant.t
| EvalProjectionRef of Projection.Repr.t
type oracle
val empty : oracle
(** Order on section paths for unfolding.
If [oracle_order kn1 kn2] is true, then unfold kn1 first.
Note: the oracle does not introduce incompleteness, it only
tries to postpone unfolding of "opaque" constants. *)
val oracle_order :
oracle -> bool -> evaluable option -> evaluable option -> bool
(** Priority for the expansion of constant in the conversion test.
* Higher levels means that the expansion is less prioritary.
* (And Expand stands for -oo, and Opaque +oo.)
* The default value (transparent constants) is [Level 0].
*)
type level = Expand | Level of int | Opaque
val pr_level : level -> Pp.t
val transparent : level
(** Check whether a level is transparent *)
val is_transparent : level -> bool
val get_strategy : oracle -> evaluable -> level
(** Sets the level of a constant.
* Level of RelKey constant cannot be set. *)
val set_strategy : oracle -> evaluable -> level -> oracle
(** Fold over the non-transparent levels of the oracle. Order unspecified. *)
val fold_strategy : (evaluable -> level -> 'a -> 'a) -> oracle -> 'a -> 'a
val get_transp_state : oracle -> TransparentState.t
|
