From: skaller <skaller@maxtal.com.au>
To: frouaix@liquidmarket.com
Cc: caml-list@inria.fr
Subject: Re: ocamlyacc/lex reentrancy
Date: Fri, 31 Dec 1999 06:09:39 +1100 [thread overview]
Message-ID: <386BADF3.80F07395@maxtal.com.au> (raw)
In-Reply-To: <199912301830.KAA12278@fiji01.liquidmarket.com>
Francois Rouaix wrote:
>
> I don't use ocamlyacc, but I do have lots of ocamllex lexers that need
> to be reentrant. I don't remember if I've posted that trick to the list
> already, but this is what you can do:
>
> In your opening section of the lexer:
>
> {
> type t = <something to store the data>
>
> let create_data () = .... (* unit -> t *)
>
> }
>
> and then for all rules, use
>
> rule somerule = parse
> | somepattern { (fun lexdata -> action) }
>
> And, when invoking a lexer function or entry point, you need to pass the
> additionnal argument, a in
> somerule lexbuf lexdata
Ahhhh! Thank you. I see how this works.
--
John Skaller, mailto:skaller@maxtal.com.au
10/1 Toxteth Rd Glebe NSW 2037 Australia
homepage: http://www.maxtal.com.au/~skaller
voice: 61-2-9660-0850
next prev parent reply other threads:[~2000-01-01 1:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-24 21:31 skaller
1999-12-30 18:30 ` Francois Rouaix
1999-12-30 19:09 ` skaller [this message]
2000-01-03 9:46 ` Markus Mottl
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=386BADF3.80F07395@maxtal.com.au \
--to=skaller@maxtal.com.au \
--cc=caml-list@inria.fr \
--cc=frouaix@liquidmarket.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).