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Re: [Qemu-devel] [PATCH] checkpatch: Escape left braces in regex
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] checkpatch: Escape left braces in regex |
Date: |
Mon, 14 Sep 2015 18:41:57 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
On 11/09/2015 13:07, Fam Zheng wrote:
> Latest perl now deprecates "{" literal in regex and print warnings like
> "unescaped left brace in regex is deprecated". Add escape to keep it
> happy.
>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> scripts/checkpatch.pl | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 7f0aae9..14985be 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -633,7 +633,7 @@ sub statement_block_size {
> my ($stmt) = @_;
>
> $stmt =~ s/(^|\n)./$1/g;
> - $stmt =~ s/^\s*{//;
> + $stmt =~ s/^\s*\{//;
> $stmt =~ s/}\s*$//;
> $stmt =~ s/^\s*//;
> $stmt =~ s/\s*$//;
> @@ -1644,7 +1644,7 @@ sub process {
> # 79 or 80 characters, it is no longer possible to add
> a space and an
> # opening brace there)
> if ($#ctx == 0 && $ctx !~ /{\s*/ &&
> - defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1]
> =~ /^\+\s*{/ &&
> + defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1]
> =~ /^\+\s*\{/ &&
> defined($lines[$ctx_ln - 2]) &&
> length($lines[$ctx_ln - 2]) < 80) {
> ERROR("that open brace { should be on the
> previous line\n" .
> "$here\n$ctx\n$rawlines[$ctx_ln -
> 1]\n");
> @@ -1684,7 +1684,7 @@ sub process {
> my $continuation = 0;
> my $check = 0;
> $s =~ s/^.*\bdo\b//;
> - $s =~ s/^\s*{//;
> + $s =~ s/^\s*\{//;
> if ($s =~ s/^\s*\\//) {
> $continuation = 1;
> }
> @@ -1783,7 +1783,7 @@ sub process {
> }
>
> # check for initialisation to aggregates open brace on the next line
> - if ($line =~ /^.\s*{/ &&
> + if ($line =~ /^.\s*\{/ &&
> $prevline =~ /(?:^|[^=])=\s*$/) {
> ERROR("that open brace { should be on the previous
> line\n" . $hereprev);
> }
> @@ -1936,13 +1936,13 @@ sub process {
>
> # function brace can't be on same line, except for #defines of do while,
> # or if closed on same line
> - if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and
> - !($line=~/\#\s*define.*do\s{/) and !($line=~/}/)) {
> + if (($line=~/$Type\s*$Ident\(.*\).*\s\{/) and
> + !($line=~/\#\s*define.*do\s\{/) and !($line=~/}/)) {
> ERROR("open brace '{' following function declarations
> go on the next line\n" . $herecurr);
> }
>
> # open braces for enum, union and struct go on the same line.
> - if ($line =~ /^.\s*{/ &&
> + if ($line =~ /^.\s*\{/ &&
> $prevline =~
> /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) {
> ERROR("open brace '{' following $1 go on the same
> line\n" . $hereprev);
> }
> @@ -2091,7 +2091,7 @@ sub process {
> # not required when having a single },{ on
> one line
> } elsif ($op eq ',') {
> if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/ &&
> - ($elements[$n] . $elements[$n +
> 2]) !~ " *}{") {
> + ($elements[$n] . $elements[$n +
> 2]) !~ " *}\\{") {
> ERROR("space required after
> that '$op' $at\n" . $hereptr);
> }
>
> @@ -2211,8 +2211,8 @@ sub process {
> ## }
>
> #need space before brace following if, while, etc
> - if (($line =~ /\(.*\){/ && $line !~ /\($Type\){/) ||
> - $line =~ /do{/) {
> + if (($line =~ /\(.*\)\{/ && $line !~ /\($Type\)\{/) ||
> + $line =~ /do\{/) {
> ERROR("space required before the open brace '{'\n" .
> $herecurr);
> }
>
> @@ -2551,7 +2551,7 @@ sub process {
> my $spaced_block = $block;
> $spaced_block =~ s/\n\+/ /g;
>
> - $seen++ if ($spaced_block =~ /^\s*{/);
> + $seen++ if ($spaced_block =~ /^\s*\{/);
>
> print "APW: cond<$cond>
> block<$block> allowed<$allowed>\n"
> if $dbg_adv_apw;
>
Applied to my queue, but I wouldn't be surprised Peter commits it directly.
Paolo