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(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Source code locations (ranges of positions), used in parsetree. *)
open Format
type t = {
loc_start: Lexing.position;
loc_end: Lexing.position;
loc_ghost: bool;
}
(* Note on the use of Lexing.position in this module.
If [pos_fname = ""], then use [!input_name] instead.
If [pos_lnum = -1], then [pos_bol = 0]. Use [pos_cnum] and
re-parse the file to get the line and character numbers.
Else all fields are correct.
*)
val none : t
(** An arbitrary value of type [t]; describes an empty ghost range. *)
val in_file : string -> t;;
(** Return an empty ghost range located in a given file. *)
val init : Lexing.lexbuf -> string -> unit
(** Set the file name and line number of the [lexbuf] to be the start
of the named file. *)
val curr : Lexing.lexbuf -> t
(** Get the location of the current token from the [lexbuf]. *)
val symbol_rloc: unit -> t
val symbol_gloc: unit -> t
(** [rhs_loc n] returns the location of the symbol at position [n], starting
at 1, in the current parser rule. *)
val rhs_loc: int -> t
val input_name: string ref
val input_lexbuf: Lexing.lexbuf option ref
val get_pos_info: Lexing.position -> string * int * int (* file, line, char *)
val print_loc: formatter -> t -> unit
val print_error: formatter -> t -> unit
val print_error_cur_file: formatter -> unit
val print_warning: t -> formatter -> Warnings.t -> unit
val prerr_warning: t -> Warnings.t -> unit
val echo_eof: unit -> unit
val reset: unit -> unit
val highlight_locations: formatter -> t -> t -> bool
type 'a loc = {
txt : 'a;
loc : t;
}
val mknoloc : 'a -> 'a loc
val mkloc : 'a -> t -> 'a loc
val print: formatter -> t -> unit
val print_filename: formatter -> string -> unit
val show_filename: string -> string
(** In -absname mode, return the absolute path for this filename.
Otherwise, returns the filename unchanged. *)
val absname: bool ref
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