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Re: -Wparentheses lumps too much together
- From: Joe Buck <Joe dot Buck at synopsys dot COM>
- To: Rehno Lindeque <errantkid at gmail dot com>
- Cc: Ross Smith <r-smith at ihug dot co dot nz>, gcc at gcc dot gnu dot org
- Date: Fri, 11 Jan 2008 08:59:36 -0800
- Subject: Re: -Wparentheses lumps too much together
- References: <20071219200235.GA21525@oak.schemamania.org> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <476C1461.email@example.com> <firstname.lastname@example.org>
On Fri, Jan 11, 2008 at 09:34:29AM +0200, Rehno Lindeque wrote:
> Just a note: Operator precedence is taught as logical AND comes before
> OR in logic courses. So it is a sort of a standard mathematical
> convention just like + and *. In fact, OR is even represented as a +
> in some notations. However it might not be practical to assume all
> programmers have a background in logic.
A warning that flagged code like
if (c1 || c2 && c3)
would swamp users in warnings, since this kind of code is extremely
common, and this isn't the kind of thing that anyone who's not a total C
beginner has trouble with.