From: Kamil Dudka <kdudka@redhat.com>
To: Christopher Li <sparse@chrisli.org>
Cc: Josh Triplett <josh@joshtriplett.org>,
Pavel Roskin <proski@gnu.org>,
linux-sparse@vger.kernel.org
Subject: Re: Sparse crash when mixing int and enum in ternary operator
Date: Mon, 29 Mar 2010 20:17:16 +0200 [thread overview]
Message-ID: <201003292017.16866.kdudka@redhat.com> (raw)
In-Reply-To: <70318cbf1003291105v44334f0et82575f62a8c187f8@mail.gmail.com>
On Mon March 29 2010 20:05:08 Christopher Li wrote:
> Using enum namespace for member "namespace" has benefit here. It is clear
> that which set of value it belongs to. E.g. if you assign SYM_NODE into
> "namespace" member it *looks* is obvious wrong.
We are able to catch assignment of SYM_NODE to 'enum namespace'. But we are
not able to catch (SYM_NODE | SYM_ENUM) to 'enum namespace', so that the patch
makes no difference. Or am I missing anything?
> It also helps people understand which set of value belongs to
> "namespace" member.
> Make "namespace" a plain int, that message is lost. It become very
> confusing for new comer
> what value was allowed in this int type.
The identifier ns_mask sounds clear to me, maybe namespace_mask would be
better. But yes ... I am not a new comer here :-)
> So back to my point. It seems making the enum more strict is just make up
> rules and gain nothing in real life. It makes code looks worse just to
> make strict enum type
> happy.
I don't think the code looks worse, nevertheless respect your attitude.
Kamil
next prev parent reply other threads:[~2010-03-29 18:17 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-09 1:24 Sparse crash when mixing int and enum in ternary operator Pavel Roskin
2010-03-09 5:43 ` Christopher Li
2010-03-09 13:46 ` Kamil Dudka
2010-03-09 18:26 ` Pavel Roskin
2010-03-09 18:35 ` Pavel Roskin
2010-03-09 19:06 ` Kamil Dudka
2010-03-09 19:15 ` Josh Triplett
2010-03-09 20:11 ` Pavel Roskin
2010-03-09 20:29 ` Kamil Dudka
2010-03-09 23:30 ` Kamil Dudka
2010-03-10 1:09 ` Pavel Roskin
2010-03-10 16:05 ` Kamil Dudka
2010-03-10 20:27 ` Pavel Roskin
2010-03-10 20:44 ` Kamil Dudka
2010-03-10 21:03 ` Kamil Dudka
2010-03-10 21:56 ` Christopher Li
2010-03-13 17:22 ` Kamil Dudka
2010-03-21 15:27 ` Kamil Dudka
2010-03-24 10:07 ` Christopher Li
2010-03-24 10:51 ` Kamil Dudka
2010-03-27 9:16 ` Kamil Dudka
2010-03-27 9:29 ` Josh Triplett
2010-03-27 9:53 ` [PATCH] eliminate insane conversions from int to enum Kamil Dudka
2010-03-29 18:11 ` Christopher Li
2010-03-29 18:05 ` Sparse crash when mixing int and enum in ternary operator Christopher Li
2010-03-29 18:17 ` Kamil Dudka [this message]
2010-03-29 18:48 ` Christopher Li
2010-03-29 19:23 ` Kamil Dudka
2010-03-30 5:29 ` Pavel Roskin
2010-03-29 21:26 ` Josh Triplett
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