From: Joel Reymont <joelr1@gmail.com>
To: bob zhang <bobzhang1988@gmail.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Weird behavior of Camlp4 Parser
Date: Thu, 24 Nov 2011 16:33:16 +0000 [thread overview]
Message-ID: <A298682A-DA07-4D9D-9F3D-0641F5D64489@gmail.com> (raw)
In-Reply-To: <4ECE614D.3040504@gmail.com>
Bob,
On Nov 24, 2011, at 3:22 PM, bob zhang wrote:
> m_expr :
> [[ "foo"; f -> print_endline "first"
> | "foo" ; "bar"; "baz" -> print_endline "second"]
> ];
Since camlp4 is a recursive-descent parser, I don't think you can have "foo"; ... | "foo"; "bar".
I would suggest having a single "foo" in the rule above and have a separate rule that branches depending on whether "bar" is found.
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next prev parent reply other threads:[~2011-11-24 16:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-24 15:22 bob zhang
2011-11-24 15:47 ` Gabriel Scherer
2011-11-24 16:08 ` bob zhang
2011-11-24 16:33 ` Joel Reymont [this message]
2011-11-24 17:31 ` bob zhang
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