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From: <tomas@tuxteam.de>
To: guile-user@gnu.org
Subject: Re: Nyacc: how to lex comments?
Date: Tue, 17 Mar 2020 08:46:49 +0100	[thread overview]
Message-ID: <20200317074649.GA27693@tuxteam.de> (raw)
In-Reply-To: <b225fc61-c22a-d77f-b0d9-07df75ba2414@gmail.com>

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On Mon, Mar 16, 2020 at 05:11:59PM -0700, Matt Wette wrote:
> On 3/16/20 2:39 PM, tomas@tuxteam.de wrote:
> >Hi,
> >
> >in my quest to play parsing, I'm failing when I try to cope with
> >comments.
> >

[...]

> make-comm-reader will not eat newlines at end of comment by default.
> If you want the comment # ... \n to include the newline try adding
> #:eat-newline #t.

D'oh, thanks. Also, I noticed I've to set #:comm-skipper in 'gen-lexer',
instead of #:comm-reader.

I didn't quite understand the difference between both. Would I have
to include comments explicitly in the grammar if the lexer uses
#:comment-reader? 

Thanks again
-- tomás

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  reply	other threads:[~2020-03-17  7:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-16 21:39 Nyacc: how to lex comments? tomas
2020-03-17  0:11 ` Matt Wette
2020-03-17  7:46   ` tomas [this message]
2020-03-17 12:31     ` Matt Wette
2020-03-17 12:42       ` tomas

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