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Re: [Qemu-devel] [PULL 7/9] checkpatch: check trace-events code style
From: |
Alex Williamson |
Subject: |
Re: [Qemu-devel] [PULL 7/9] checkpatch: check trace-events code style |
Date: |
Tue, 29 Aug 2017 15:34:42 -0600 |
On Tue, 1 Aug 2017 14:16:16 +0100
Stefan Hajnoczi <address@hidden> wrote:
> From: Vladimir Sementsov-Ogievskiy <address@hidden>
>
> According to CODING_STYLE, check that in trace-events:
> 1. hex numbers are prefixed with '0x'
> 2. '#' flag of printf is not used
> 3. The exclusion from 1. are period-separated groups of numbers
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> Reviewed-by: Stefan Hajnoczi <address@hidden>
> Message-id: address@hidden
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> scripts/checkpatch.pl | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 4e91122813..fa478074b8 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1337,6 +1337,25 @@ sub process {
> $rpt_cleaners = 1;
> }
>
> +# checks for trace-events files
> + if ($realfile =~ /trace-events$/ && $line =~ /^\+/) {
> + if ($rawline =~ /%[-+ 0]*#/) {
> + ERROR("Don't use '#' flag of printf format
> ('%#') in " .
> + "trace-events, use '0x' prefix instead\n"
> . $herecurr);
> + } else {
> + my $hex =
> + qr/%[-+
> *.0-9]*([hljztL]|ll|hh)?(x|X|"\s*PRI[xX][^"]*"?)/;
> +
> + # don't consider groups splitted by [.:/ ],
> like 2A.20:12ab
> + my $tmpline = $rawline =~ s/($hex[.:\/
> ])+$hex//gr;
> +
> + if ($tmpline =~ /(?<!0x)$hex/) {
> + ERROR("Hex numbers must be prefixed
> with '0x'\n" .
> + $herecurr);
> + }
> + }
> + }
> +
> # check we are in a valid source file if not then ignore this hunk
> next if ($realfile !~ /\.(h|c|cpp|s|S|pl|py|sh)$/);
>
This broke checkpatch.pl for me:
Bareword found where operator expected at ./scripts/checkpatch.pl line 1350,
near "s/($hex[.:\/ ])+$hex//gr"
syntax error at ./scripts/checkpatch.pl line 1350, near "s/($hex[.:\/
])+$hex//gr"
Execution of ./scripts/checkpatch.pl aborted due to compilation errors.
$ perl -v
This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi
- [Qemu-devel] [PULL 0/9] Tracing patches, Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 2/9] trace: ensure unique function / variable names per .stp file, Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 1/9] trace: ensure .stp files are rebuilt if trace tool source changes, Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 3/9] trace: add TRACE_<event>_BACKEND_DSTATE(), Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 4/9] trace: add trace_event_get_state_backends(), Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 5/9] coding_style: add point about 0x in trace-events, Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 6/9] trace-events: fix code style: %# -> 0x%, Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 7/9] checkpatch: check trace-events code style, Stefan Hajnoczi, 2017/08/01
- Re: [Qemu-devel] [PULL 7/9] checkpatch: check trace-events code style,
Alex Williamson <=
- [Qemu-devel] [PULL 9/9] monitor: Reduce handle_qmp_command() tracing overhead, Stefan Hajnoczi, 2017/08/01
- [Qemu-devel] [PULL 8/9] trace-events: fix code style: print 0x before hex numbers, Stefan Hajnoczi, 2017/08/01
- Re: [Qemu-devel] [PULL 0/9] Tracing patches, no-reply, 2017/08/01
- Re: [Qemu-devel] [PULL 0/9] Tracing patches, Peter Maydell, 2017/08/01