ocaml/parsing/syntaxerr.ml

43 lines
1.6 KiB
OCaml

(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1997 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. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Auxiliary type for reporting syntax errors *)
open Formatmsg
type error =
Unclosed of Location.t * string * Location.t * string
| Other of Location.t
exception Error of error
exception Escape_error
let report_error = function
Unclosed(opening_loc, opening, closing_loc, closing) ->
if String.length !Location.input_name = 0
&& Location.highlight_locations opening_loc closing_loc
then printf "Syntax error: '%s' expected, \
the highlighted '%s' might be unmatched" closing opening
else begin
Location.print closing_loc;
printf "Syntax error: '%s' expected@?" closing;
Location.print opening_loc;
printf "This '%s' might be unmatched" opening
end
| Other loc ->
Location.print loc;
print_string "Syntax error"