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(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Gallium, INRIA Rocquencourt *)
(* *)
(* Copyright 2008 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. *)
(* *)
(***********************************************************************)
(* A test for stack backtraces *)
exception Error of string
let rec f msg n =
if n = 0 then raise(Error msg) else 1 + f msg (n-1)
let g msg =
try
f msg 5
with Error "a" -> print_string "a"; print_newline(); 0
| Error "b" as exn -> print_string "b"; print_newline(); raise exn
| Error "c" -> raise (Error "c")
let run args =
try
ignore (g args.(0)); print_string "No exception\n"
with exn ->
Printf.printf "Uncaught exception %s\n" (Printexc.to_string exn);
Printexc.print_backtrace stdout
let _ =
Printexc.record_backtrace true;
run [| "a" |];
run [| "b" |];
run [| "c" |];
run [| "d" |];
run [| |]
|
