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build-aux:check-spacing: Add wrapper function of CheckCurlyBrackets

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This patch adds CheckCurlyBrackets to simplify check-spacing.

Signed-off-by: Shi Lei <shi_lei@massclouds.com>
This commit is contained in:
Shi Lei 2018-09-19 16:38:18 +08:00 committed by Michal Privoznik
parent 6225626b6f
commit a033182f04
1 changed files with 51 additions and 30 deletions
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81
build-aux/check-spacing.pl
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@ -201,6 +201,55 @@ sub CheckWhiteSpaces {
return $ret;
}
#
# CheckCurlyBrackets:
# $_[0]: $data(in)
# $_[1]: $file(in)
# $_[2]: $line(in)
# $_[3]: $cb_linenum(inout)
# $_[4]: $cb_code(inout)
# $_[5]: $cb_scolon(inout)
#
# Check whitespaces according to code spec of libvirt.
#
sub CheckCurlyBrackets {
my $ret = 0;
my ($data, $file, $line, $cb_linenum, $cb_code, $cb_scolon) = @_;
# One line conditional statements with one line bodies should
# not use curly brackets.
if ($$data =~ /^\s*(if|while|for)\b.*\{$/) {
$$cb_linenum = $.;
$$cb_code = $$line;
$$cb_scolon = 0;
}
# We need to check for exactly one semicolon inside the body,
# because empty statements (e.g. with comment only) are
# allowed
if ($$cb_linenum == $. - 1 && $$data =~ /^[^;]*;[^;]*$/) {
$$cb_code .= $$line;
$$cb_scolon = 1;
}
if ($$data =~ /^\s*}\s*$/ &&
$$cb_linenum == $. - 2 &&
$$cb_scolon) {
print "Curly brackets around single-line body:\n";
print "$$file:$$cb_linenum-$.:\n$$cb_code$$line";
$ret = 1;
# There _should_ be no need to reset the values; but to
# keep my inner peace...
$$cb_linenum = 0;
$$cb_scolon = 0;
$$cb_code = "";
}
return $ret;
}
my $ret = 0;
foreach my $file (@ARGV) {
@ -234,36 +283,8 @@ foreach my $file (@ARGV) {
$ret = 1 if CheckWhiteSpaces(\$data, \$location);
# One line conditional statements with one line bodies should
# not use curly brackets.
if ($data =~ /^\s*(if|while|for)\b.*\{$/) {
$cb_linenum = $.;
$cb_code = $line;
$cb_scolon = 0;
}
# We need to check for exactly one semicolon inside the body,
# because empty statements (e.g. with comment only) are
# allowed
if ($cb_linenum == $. - 1 && $data =~ /^[^;]*;[^;]*$/) {
$cb_code .= $line;
$cb_scolon = 1;
}
if ($data =~ /^\s*}\s*$/ &&
$cb_linenum == $. - 2 &&
$cb_scolon) {
print "Curly brackets around single-line body:\n";
print "$file:$cb_linenum-$.:\n$cb_code$line";
$ret = 1;
# There _should_ be no need to reset the values; but to
# keep my inner peace...
$cb_linenum = 0;
$cb_scolon = 0;
$cb_code = "";
}
$ret = 1 if CheckCurlyBrackets(\$data, \$file, \$line,
\$cb_linenum, \$cb_code, \$cb_scolon);
}
close FILE;
}