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|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2019 *)
(* <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 Univ
(** Kernel implementation of sections. *)
type t
(** Type of sections *)
val empty : t
val is_empty : t -> bool
(** Checks whether there is no opened section *)
val is_polymorphic : t -> bool
(** Checks whether last opened section is polymorphic *)
(** {6 Manipulating sections} *)
val open_section : poly:bool -> t -> t
(** Open a new section with the provided universe polymorphic status. Sections
can be nested, with the proviso that polymorphic sections cannot appear
inside a monomorphic one. *)
val close_section : t -> t
(** {6 Extending sections} *)
val push_local : t -> t
(** Extend the current section with a local definition (cf. push_named). *)
val push_context : Name.t array * UContext.t -> t -> t
(** Extend the current section with a local universe context. Assumes that the
last opened section is polymorphic. *)
val push_constant : poly:bool -> Constant.t -> t -> t
(** Make the constant as having been defined in this section. *)
val push_inductive : poly:bool -> MutInd.t -> t -> t
(** Make the inductive block as having been defined in this section. *)
(** {6 Retrieving section data} *)
type abstr_info = private {
abstr_ctx : Constr.named_context;
(** Section variables of this prefix *)
abstr_subst : Univ.Instance.t;
(** Actual names of the abstracted variables *)
abstr_uctx : Univ.AUContext.t;
(** Universe quantification, same length as the substitution *)
}
(** Data needed to abstract over the section variable and universe hypotheses *)
val empty_segment : abstr_info
(** Nothing to abstract *)
val segment_of_constant : Environ.env -> Constant.t -> t -> abstr_info
(** Section segment at the time of the constant declaration *)
val segment_of_inductive : Environ.env -> MutInd.t -> t -> abstr_info
(** Section segment at the time of the inductive declaration *)
val replacement_context : Environ.env -> t -> Opaqueproof.work_list
(** Section segments of all declarations from this section. *)
val is_in_section : Environ.env -> GlobRef.t -> t -> bool
val is_polymorphic_univ : Level.t -> t -> bool
|
