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tools: extend checkpatch.pl for frr_{with,each}

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For frr_each, just fix some existing warnings;  for frr_with_* add a
warning indicating that braces should always be used.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2019-08-13 15:42:35 +02:00
parent 6421f2c6d9
commit ba28659f1c
1 changed files with 27 additions and 2 deletions
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29
tools/checkpatch.pl
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@ -3351,7 +3351,7 @@ sub process {
# if/while/etc brace do not go on next line, unless defining a do while loop,
# or if that brace on the next line is for something else
if ($line =~ /(.*)\b((?:if|while|for|switch|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) {
if ($line =~ /(.*)\b((?:if|while|for|switch|(?:[a-z_]+|)frr_(each|with)[a-z_]+)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) {
my $pre_ctx = "$1$2";
my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0);
@ -3397,7 +3397,7 @@ sub process {
}
# Check relative indent for conditionals and blocks.
if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|(?:do|else)\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) {
if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)frr_(each|with)[a-z_]+)\s*\(|(?:do|else)\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) {
($stat, $cond, $line_nr_next, $remain_next, $off_next) =
ctx_statement_block($linenr, $realcnt, 0)
if (!defined $stat);
@ -5177,6 +5177,31 @@ sub process {
}
}
if (!defined $suppress_ifbraces{$linenr - 1} &&
$line =~ /\b(frr_with_)/) {
my ($level, $endln, @chunks) =
ctx_statement_full($linenr, $realcnt, $-[0]);
# Check the condition.
my ($cond, $block) = @{$chunks[0]};
#print "CHECKING<$linenr> cond<$cond> block<$block>\n";
if (defined $cond) {
substr($block, 0, length($cond), '');
}
if ($level == 0 && $block !~ /^\s*\{/) {
my $herectx = $here . "\n";
my $cnt = statement_rawlines($block);
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
WARN("BRACES",
"braces {} are mandatory for frr_with_* blocks\n" . $herectx);
}
}
# check for single line unbalanced braces
if ($sline =~ /^.\s*\}\s*else\s*$/ ||
$sline =~ /^.\s*else\s*\{\s*$/) {