ocaml/debugger/pos.ml

43 lines
1.8 KiB
OCaml

(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Damien Doligez, projet Moscova, INRIA Rocquencourt *)
(* *)
(* Copyright 2003 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. *)
(* *)
(***********************************************************************)
(* $Id$ *)
open Instruct;;
open Lexing;;
open Location;;
open Primitives;;
open Source;;
let get_desc ev =
let loc = ev.ev_loc in
if loc.loc_start.pos_fname <> ""
then Printf.sprintf "file %s, line %d, characters %d-%d"
loc.loc_start.pos_fname loc.loc_start.pos_lnum
(loc.loc_start.pos_cnum - loc.loc_start.pos_bol + 1)
(loc.loc_end.pos_cnum - loc.loc_start.pos_bol + 1)
else begin
let filename = source_of_module ev.ev_loc.loc_start ev.ev_module in
try
let (start, line) = line_of_pos (get_buffer loc.loc_start ev.ev_module)
loc.loc_start.pos_cnum
in
Printf.sprintf "file %s, line %d, characters %d-%d"
filename line (loc.loc_start.pos_cnum - start + 1)
(loc.loc_end.pos_cnum - start + 1)
with Not_found | Out_of_range ->
Printf.sprintf "file %s, characters %d-%d"
filename (loc.loc_start.pos_cnum + 1)
(loc.loc_end.pos_cnum + 1)
end
;;