(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

(*i $Id: coq.mli 9154 2006-09-20 17:18:18Z corbinea $ i*)

open Names
open Term
open Environ
open Evd

val version : unit -> string

val init : unit -> string list 
val interp : bool -> string -> Util.loc * Vernacexpr.vernac_expr
val interp_last : Util.loc * Vernacexpr.vernac_expr -> unit
val interp_and_replace : string -> (Util.loc * Vernacexpr.vernac_expr) * string

val is_tactic : Vernacexpr.vernac_expr -> bool
val is_state_preserving : Vernacexpr.vernac_expr -> bool

(* type hyp = (identifier * constr option * constr) * string *)

type hyp = env * evar_map * 
           ((identifier*string) * constr option * constr) * (string * string)
type meta = env * evar_map * string
type concl = env * evar_map * constr * string
type goal = hyp list * concl

val get_current_goals : unit -> goal list

val get_current_pm_goal : unit -> hyp list * meta list

val get_current_goals_nb : unit -> int

val print_no_goal : unit -> string

val process_exn : exn -> string*(Util.loc option)

type reset_info = NoReset | Reset of Names.identifier * bool ref

val compute_reset_info : Vernacexpr.vernac_expr -> reset_info
val reset_initial : unit -> unit
val reset_to : identifier -> unit
val reset_to_mod : identifier -> unit

val hyp_menu : hyp -> (string * string) list
val concl_menu : concl -> (string * string) list

val is_in_coq_lib : string -> bool
val is_in_coq_path : string -> bool
val is_in_loadpath : string -> bool

val make_cases : string -> string list list


type tried_tactic = 
  | Interrupted
  | Success of int (* nb of goals after *)
  | Failed

val try_interptac: string -> tried_tactic

(* Message to display in lower status bar. *)

val current_status : unit -> string