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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Genarg
open Names
open Tacexpr
open Geninterp
(** This module centralizes the various ways of registering tactics. *)
(** {5 Tactic notations} *)
type alias = KerName.t
(** Type of tactic alias, used in the [TacAlias] node. *)
type alias_tactic = Id.t list * glob_tactic_expr
(** Contents of a tactic notation *)
val register_alias : alias -> alias_tactic -> unit
(** Register a tactic alias. *)
val interp_alias : alias -> alias_tactic
(** Recover the the body of an alias. Raises an anomaly if it does not exist. *)
val check_alias : alias -> bool
(** Returns [true] if an alias is defined, false otherwise. *)
(** {5 Coq tactic definitions} *)
val register_ltac : bool -> bool -> Id.t -> glob_tactic_expr -> unit
(** Register a new Ltac with the given name and body.
The first boolean indicates whether this is done from ML side, rather than
Coq side. If the second boolean flag is set to true, then this is a local
definition. It also puts the Ltac name in the nametab, so that it can be
used unqualified. *)
val redefine_ltac : bool -> KerName.t -> glob_tactic_expr -> unit
(** Replace a Ltac with the given name and body. If the boolean flag is set
to true, then this is a local redefinition. *)
val interp_ltac : KerName.t -> glob_tactic_expr
(** Find a user-defined tactic by name. Raise [Not_found] if it is absent. *)
val is_ltac_for_ml_tactic : KerName.t -> bool
(** Whether the tactic is defined from ML-side *)
type ltac_entry = {
tac_for_ml : bool;
(** Whether the tactic is defined from ML-side *)
tac_body : glob_tactic_expr;
(** The current body of the tactic *)
tac_redef : ModPath.t list;
(** List of modules redefining the tactic in reverse chronological order *)
}
val ltac_entries : unit -> ltac_entry KNmap.t
(** Low-level access to all Ltac entries currently defined. *)
(** {5 ML tactic extensions} *)
type ml_tactic =
Val.t list -> Geninterp.interp_sign -> unit Proofview.tactic
(** Type of external tactics, used by [TacML]. *)
val register_ml_tactic : ?overwrite:bool -> ml_tactic_name -> ml_tactic array -> unit
(** Register an external tactic. *)
val interp_ml_tactic : ml_tactic_entry -> ml_tactic
(** Get the named tactic. Raises a user error if it does not exist. *)
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