From: Eijiro Sumii <eijiro.sumii@gmail.com>
To: caml-list@yquem.inria.fr
Subject: line number in exception history?
Date: Mon, 10 Oct 2005 11:22:56 +0900 [thread overview]
Message-ID: <a4d0794e0510091922r14b715f2kdfb6adc56fab30b8@mail.gmail.com> (raw)
Hi,
(Sorry if this is a FAQ - I searched a little and couldn't find the answer.)
A student in Tokyo (_not_ CS major!) reported a "problem" (see below)
of ocaml in his blog. I guess it is because the line/character
numbers point to the _head_ of the expression that _follows_ where the
exception went through. Is this a feature or a bug?
Thanks,
Eijiro
> cat main.ml
let () =
let ret = Bar.barFunction (-10) in
print_int (ret + 100)
> cat foo.ml
let fooFunction x =
if x > 0 then x - 1
else raise (invalid_arg "Give me positive!")
> cat bar.ml
let barFunction x =
let y = x + 1 in
Foo.fooFunction y
> cat main.ml
let () =
let ret = Bar.barFunction (-10) in
print_int (ret + 100)
> cat bar.ml
let barFunction x =
let y = x + 1 in
Foo.fooFunction y
> cat foo.ml
let fooFunction x =
if x > 0 then x - 1
else raise (invalid_arg "Give me positive!")
> ocamlc -g foo.ml bar.ml main.ml -o test
> env OCAMLRUNPARAM=b ./test
Fatal error: exception Invalid_argument("Give me positive!")
Raised at file "pervasives.ml", line 22, character 17
Re-raised at file "foo.ml", line 3, character 46
Called from file "main.ml", line 3, character 2
next reply other threads:[~2005-10-10 2:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-10 2:22 Eijiro Sumii [this message]
2005-10-10 3:24 ` Eijiro Sumii
2005-10-11 9:09 ` [Caml-list] " Xavier Leroy
2005-10-11 11:13 ` Eijiro Sumii
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