From: Sven Wischnowsky <wischnow@informatik.hu-berlin.de>
To: zsh-workers@sunsite.auc.dk
Subject: Re: PATCH (!): Re: PATCH: (very) bad syntax error checking
Date: Mon, 29 May 2000 11:10:27 +0200 (MET DST) [thread overview]
Message-ID: <200005290910.LAA04169@beta.informatik.hu-berlin.de> (raw)
In-Reply-To: "Bart Schaefer"'s message of Mon, 29 May 2000 08:56:24 +0000
Bart Schaefer wrote:
> On May 29, 10:27am, Sven Wischnowsky wrote:
> } Subject: Re: PATCH (!): Re: PATCH: (very) bad syntax error checking
> }
> } Bart Schaefer wrote:
> }
> } > I wonder why parse_list() doesn't use YYERROR() ... is there some reason
> } > why `ecused' should not be set to 0 in that specific case?
> }
> } It doesn't use YYERROR* because it has to return NULL and we have
> } YYERRORs only for void and integer, I think (I didn't change that
> } part).
>
> Zero is NULL, and NULL is zero. Using YYERROR(0) would return NULL.
But we are quite picky about distinguishing between the two.
> But perhaps a better question is: `tok' is a global, right?
Yes.
> Why not put
> the `tok = LEXERROR' into yyerror() itself?
Good question. Haven't looked yet...
Bye
Sven
--
Sven Wischnowsky wischnow@informatik.hu-berlin.de
next reply other threads:[~2000-05-29 9:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-29 9:10 Sven Wischnowsky [this message]
-- strict thread matches above, loose matches on Subject: below --
2000-05-29 8:27 Sven Wischnowsky
2000-05-29 8:56 ` Bart Schaefer
2000-05-26 14:24 Peter Stephenson
2000-05-27 8:13 ` PATCH (!): " Bart Schaefer
2000-05-28 20:51 ` Peter Stephenson
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