From: Olivier Levillain <olivier.levillain@ssi.gouv.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] camlp4 for js_of_ocaml toplevels
Date: Thu, 27 Feb 2014 09:34:35 +0100 [thread overview]
Message-ID: <530EF89B.5080900@ssi.gouv.fr> (raw)
In-Reply-To: <CAHYOizGtocS17dt8FcEo9QmOCZvA=Kzoknekk7a4QvbhVgftFA@mail.gmail.com>
Hi,
> One thing I noticed was when I (accidentally) had unix_isatty
> returning false, and presumably camlp4 attempting to marshal a
> compiler ast the js_of_ocaml runtime would die with a JSON error. I
> presume this is an issue with js_of_ocaml's marshalling code?
I think I recently stumbled on this one: the default camlp4 printer is
"auto", which prints text when stdout is a tty and binary AST when it is
not. To force the text or AST setting, you should use the -printer
option of camlp4, with either "Camlp4OCamlPrinter" (text) or
"Camlp4OCamlAstDumper" parameter.
The name of the available printers correspond to files in the
/usr/lib/ocaml/camlp4/Camlp4Printers (on Debian).
Sorry for the noise if I'm wrong.
Regards,
Olivier Levillain
prev parent reply other threads:[~2014-02-27 8:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-22 3:07 Andy Ray
2014-02-23 20:18 ` Anil Madhavapeddy
2014-02-24 17:55 ` Andy Ray
2014-02-24 23:31 ` Anil Madhavapeddy
2014-02-27 8:34 ` Olivier Levillain [this message]
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