(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

open Names
open Term
open Decl_kinds
open Constrexpr
open Tacexpr
open Vernacexpr
open Proof_type
open Pfedit

(** A hook start_proof calls on the type of the definition being started *)
val set_start_hook : (types -> unit) -> unit

val start_proof : Id.t -> goal_kind -> types ->
  ?init_tac:unit Proofview.tactic -> ?compute_guard:lemma_possible_guards -> 
   unit declaration_hook -> unit

val start_proof_com : goal_kind ->
  (lident option * (local_binder list * constr_expr * (lident option * recursion_order_expr) option)) list ->
  unit declaration_hook -> unit

val start_proof_with_initialization : 
  goal_kind -> (bool * lemma_possible_guards * unit Proofview.tactic list option) option ->
  (Id.t * (types * (Name.t list * Impargs.manual_explicitation list))) list
  -> int list option -> unit declaration_hook -> unit

(** A hook the next three functions pass to cook_proof *)
val set_save_hook : (Proof.proof -> unit) -> unit

(** {6 ... } *)
(** [save_named b] saves the current completed (or the provided) proof
    under the name it was started; boolean [b] tells if the theorem is 
    declared opaque; it fails if the proof is not completed *)

val save_named : ?proof:Proof_global.closed_proof -> bool -> unit

(** [save_anonymous b name] behaves as [save_named] but declares the theorem
under the name [name] and respects the strength of the declaration *)

val save_anonymous :
  ?proof:Proof_global.closed_proof -> bool -> Id.t -> unit

(** [save_anonymous_with_strength s b name] behaves as [save_anonymous] but
   declares the theorem under the name [name] and gives it the
   strength [strength] *)

val save_anonymous_with_strength :
  ?proof:Proof_global.closed_proof -> theorem_kind -> bool -> Id.t -> unit

(** [admit ()] aborts the current goal and save it as an assmumption *)

val admit : unit -> unit

(** [get_current_context ()] returns the evar context and env of the
   current open proof if any, otherwise returns the empty evar context
   and the current global env *)

val get_current_context : unit -> Evd.evar_map * Environ.env