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|
(************************************************************************)
(* 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 *)
(************************************************************************)
(** {5 Basic types} *)
type t
type 'a located = t * 'a
(** Embed a location in a type *)
(** {5 Location manipulation} *)
(** This is inherited from CAMPL4/5. *)
val create : string -> int -> int -> (int * int) -> t
(** Create a location from a filename, a line number, a position of the
beginning of the line and a pair of start and end position *)
val unloc : t -> int * int
(** Return the start and end position of a location *)
val make_loc : int * int -> t
(** Make a location out of its start and end position *)
val ghost : t
(** Dummy location *)
val is_ghost : t -> bool
(** Test whether the location is meaningful *)
val merge : t -> t -> t
val represent : t -> (string * int * int * int * int)
(** Return the arguments given in [create] *)
(** {5 Located exceptions} *)
val add_loc : exn -> t -> exn
(** Adding location to an exception *)
val get_loc : exn -> t option
(** Retrieving the optional location of an exception *)
val raise : t -> exn -> 'a
(** [raise loc e] is the same as [Pervasives.raise (add_loc e loc)]. *)
(** {5 Location utilities} *)
val located_fold_left : ('a -> 'b -> 'a) -> 'a -> 'b located -> 'a
val located_iter2 : ('a -> 'b -> unit) -> 'a located -> 'b located -> unit
val down_located : ('a -> 'b) -> 'a located -> 'b
(** Projects out a located object *)
(** {5 Backward compatibility} *)
val dummy_loc : t
(** Same as [ghost] *)
val join_loc : t -> t -> t
(** Same as [merge] *)
|
