From: Christophe TROESTLER <Christophe.Troestler+ocaml@umons.ac.be>
To: yaoconglun@gmail.com
Cc: OCaml Mailing List <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] Re: How to achieve this camlp4 syntax extension
Date: Tue, 14 Apr 2009 02:24:31 +0200 (CEST) [thread overview]
Message-ID: <20090414.022431.864180245398589194.Christophe.Troestler+ocaml@umons.ac.be> (raw)
In-Reply-To: <f7b50d2a0904021323o5cf327fwd808386e949efa5e@mail.gmail.com>
> On 4/2/2009 1:42 PM, Conglun Yao wrote:
>>
>> Different kinds of error happened, when trying to use it.
>>
>> Even the ordinary expression: List.length [1; 2;3 ], failed. 'List'
>> is parsed as module_longident, try to match the rule I defined.
Not sure whether you are still looking for a solution to this but, as
it was not possible to use theses constructions together with pa_do
(same grammar rule to modify), I added hooks so you can provide your
own functions for them. E.g.,
val module_square_brackets : (module_longident -> Loc.t -> expr -> expr) ref
allows you to replace [M.[ e ]] by [!module_square_brackets m _loc e]
where [m] is the internal representation of [M] and [_loc] is the
location of the whole expression [M.[ e ]].
This is available in the last version of delimited overloading
(downloadable at http://pa-do.forge.ocamlcore.org/ ).
Hope it helps,
ChriS
prev parent reply other threads:[~2009-04-14 0:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-02 11:42 Conglun Yao
2009-04-02 12:33 ` [Caml-list] " Jérémie Dimino
2009-04-02 12:40 ` David Teller
2009-04-02 12:48 ` Conglun Yao
2009-04-02 13:00 ` Zheng Li
2009-04-02 20:23 ` Conglun Yao
2009-04-14 0:24 ` Christophe TROESTLER [this message]
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