linux-kernel - Re: [PATCH v3 0/2] kconfig: warn of unhandled characters in Kconfig commands

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Date:	Sat, 11 Jul 2015 17:56:37 +0200
From:	Ulf Magnusson <ulfalizer.lkml@...il.com>
To:	Andreas Ruprecht <andreas.ruprecht@....de>
Cc:	Paul Bolle <pebolle@...cali.nl>,
	Valentin Rothberg <valentinrothberg@...il.com>,
	rafael.j.wysocki@...el.com, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	hengelein Stefan <stefan.hengelein@....de>,
	linux@...inikbrodowski.net, Michal Marek <mmarek@...e.cz>
Subject: Re: [PATCH v3 0/2] kconfig: warn of unhandled characters in Kconfig
 commands

On Fri, Jul 10, 2015 at 10:25:31AM +0200, Andreas Ruprecht wrote:
> This patchset changes the lexer file to emit a warning if any unhandled
> characters are found in the input. So far, Kconfig options like
> 
>  +config FOO
>     bool
>     [...]
> 
> (note the wrong '+'!) were parsed without a warning. As simply adding a
> warning for '.' produces lots of warnings as occasionally '---help---'
> is used instead of 'help' (and thus '-' is recognized as an unhandled
> character), we need to handle '---help---' separately.
> 
> Changes to v1:
> 	- add '---help---' in zconf.gperf instead of special casing
> 	  it in zconf.l
> 
> Changes to v2:
> 	- Do no constify char parameter to warn_ignored_character
> 	- Shorten rule definitions for '.'
> 
> Andreas Ruprecht (2):
>   kconfig: warn of unhandled characters in Kconfig commands
>   kconfig: Regenerate shipped zconf.{hash,lex}.c files
> 
>  scripts/kconfig/zconf.gperf          |   1 +
>  scripts/kconfig/zconf.hash.c_shipped |  58 ++++---
>  scripts/kconfig/zconf.l              |  20 ++-
>  scripts/kconfig/zconf.lex.c_shipped  | 325 +++++++++++++++++------------------
>  4 files changed, 204 insertions(+), 200 deletions(-)
> 
> -- 
> 1.9.1
> 

Looks good to me.

I ran the Kconfiglib test suite on it too. Since it simply compares the
output of Kconfiglib and the C implementation, it doubles as a good
regression test for the C implementation.

Cheers,
Ulf
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