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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 *)
(************************************************************************)
(** {5 Basic types} *)
type t = {
fname : string; (** filename *)
line_nb : int; (** start line number *)
bol_pos : int; (** position of the beginning of start line *)
line_nb_last : int; (** end line number *)
bol_pos_last : int; (** position of the beginning of end line *)
bp : int; (** start position *)
ep : int; (** end position *)
}
(** {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, a 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 internal_ghost : t
val is_ghost : t -> bool
(** Test whether the location is meaningful *)
val merge : t -> t -> t
val merge_opt : t option -> t -> t
val opt_merge : t -> t option -> t
(** {5 Located exceptions} *)
val add_loc : Exninfo.info -> t -> Exninfo.info
(** Adding location to an exception *)
val get_loc : Exninfo.info -> t option
(** Retrieving the optional location of an exception *)
val raise : ?loc:t -> exn -> 'a
(** [raise loc e] is the same as [Pervasives.raise (add_loc e loc)]. *)
(** {5 Objects with location information } *)
type 'a located = t * 'a
(** Embed a location in a type *)
(** Warning, this API is experimental *)
val to_pair : 'a located -> t * 'a
val tag : ?loc:t -> 'a -> 'a located
val obj : 'a located -> 'a
val with_loc : (loc:t -> 'a -> 'b) -> 'a located -> 'b
val with_unloc : ('a -> 'b) -> 'a located -> 'b
val map : ('a -> 'b) -> 'a located -> 'b located
val map_with_loc : (loc:t -> 'a -> 'b) -> 'a located -> 'b located
val located_fold_left : ('a -> 'b -> 'a) -> 'a -> 'b located -> 'a
val down_located : ('a -> 'b) -> 'a located -> 'b
(* Currently not used *)
val located_iter2 : ('a -> 'b -> unit) -> 'a located -> 'b located -> unit
(** Projects out a located object *)
|
