ocaml/otherlibs/labltk/compiler/ppparse.ml

37 lines
1.7 KiB
OCaml

(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of Objective Caml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the Objective Caml source tree. *)
(* *)
(***********************************************************************)
exception Error of string
let parse_channel ic =
let lexbuf = Lexing.from_channel ic in
try
Ppyac.code_list Pplex.token lexbuf
with
| Pplex.Error s ->
let loc_start = Lexing.lexeme_start lexbuf
and loc_end = Lexing.lexeme_end lexbuf
in
raise (Error (Printf.sprintf "parse error at char %d, %d: %s"
loc_start loc_end s))
| Parsing.Parse_error ->
let loc_start = Lexing.lexeme_start lexbuf
and loc_end = Lexing.lexeme_end lexbuf
in
raise (Error (Printf.sprintf "parse error at char %d, %d"
loc_start loc_end))
;;