checksrc: Added checks for colon operator in ternary expressions

Closes #14990
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Gabriel Marin 2024-09-21 01:53:34 +03:00 committed by Daniel Stenberg
parent 635253caa0
commit cff75acfec
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@ -56,51 +56,52 @@ my %warnings_extended = (
my %warnings = (
'ASSIGNWITHINCONDITION' => 'assignment within conditional expression',
'ASTERISKNOSPACE' => 'pointer declared without space before asterisk',
'ASTERISKSPACE' => 'pointer declared with space after asterisk',
'BADCOMMAND' => 'bad !checksrc! instruction',
'BANNEDFUNC' => 'a banned function was used',
'BANNEDPREPROC' => 'a banned symbol was used on a preprocessor line',
'BRACEELSE' => '} else on the same line',
'BRACEPOS' => 'wrong position for an open brace',
'BRACEWHILE' => 'A single space between open brace and while',
'COMMANOSPACE' => 'comma without following space',
'COMMENTNOSPACEEND' => 'no space before */',
'COMMENTNOSPACESTART' => 'no space following /*',
'COPYRIGHT' => 'file missing a copyright statement',
'CPPCOMMENTS' => '// comment detected',
'DOBRACE' => 'A single space between do and open brace',
'EMPTYLINEBRACE' => 'Empty line before the open brace',
'EQUALSNOSPACE' => 'equals sign without following space',
'EQUALSNULL' => 'if/while comparison with == NULL',
'EXCLAMATIONSPACE' => 'Whitespace after exclamation mark in expression',
'FOPENMODE' => 'fopen needs a macro for the mode string',
'INCLUDEDUP', => 'same file is included again',
'INDENTATION' => 'wrong start column for code',
'LONGLINE' => "Line longer than $max_column",
'SPACEBEFORELABEL' => 'labels not at the start of the line',
'MULTISPACE' => 'multiple spaces used when not suitable',
'NOSPACEEQUALS' => 'equals sign without preceding space',
'NOSPACEQ' => 'missing space around ternary question mark operator',
'NOSPACETHAN' => 'missing space around less or greater than',
'NOTEQUALSZERO', => 'if/while comparison with != 0',
'ONELINECONDITION' => 'conditional block on the same line as the if()',
'OPENCOMMENT' => 'file ended with a /* comment still "open"',
'PARENBRACE' => '){ without sufficient space',
'RETURNNOSPACE' => 'return without space',
'SEMINOSPACE' => 'semicolon without following space',
'SIZEOFNOPAREN' => 'use of sizeof without parentheses',
'SNPRINTF' => 'use of snprintf',
'SPACEAFTERPAREN' => 'space after open parenthesis',
'SPACEBEFORECLOSE' => 'space before a close parenthesis',
'SPACEBEFORECOMMA' => 'space before a comma',
'SPACEBEFOREPAREN' => 'space before an open parenthesis',
'SPACESEMICOLON' => 'space before semicolon',
'SPACESWITCHCOLON' => 'space before colon of switch label',
'TABS' => 'TAB characters not allowed',
'TRAILINGSPACE' => 'Trailing whitespace on the line',
'TYPEDEFSTRUCT' => 'typedefed struct',
'UNUSEDIGNORE' => 'a warning ignore was not used',
'ASTERISKNOSPACE' => 'pointer declared without space before asterisk',
'ASTERISKSPACE' => 'pointer declared with space after asterisk',
'BADCOMMAND' => 'bad !checksrc! instruction',
'BANNEDFUNC' => 'a banned function was used',
'BANNEDPREPROC' => 'a banned symbol was used on a preprocessor line',
'BRACEELSE' => '} else on the same line',
'BRACEPOS' => 'wrong position for an open brace',
'BRACEWHILE' => 'A single space between open brace and while',
'COMMANOSPACE' => 'comma without following space',
'COMMENTNOSPACEEND' => 'no space before */',
'COMMENTNOSPACESTART' => 'no space following /*',
'COPYRIGHT' => 'file missing a copyright statement',
'CPPCOMMENTS' => '// comment detected',
'DOBRACE' => 'A single space between do and open brace',
'EMPTYLINEBRACE' => 'Empty line before the open brace',
'EQUALSNOSPACE' => 'equals sign without following space',
'EQUALSNULL' => 'if/while comparison with == NULL',
'EXCLAMATIONSPACE' => 'Whitespace after exclamation mark in expression',
'FOPENMODE' => 'fopen needs a macro for the mode string',
'INCLUDEDUP', => 'same file is included again',
'INDENTATION' => 'wrong start column for code',
'LONGLINE' => "Line longer than $max_column",
'SPACEBEFORELABEL' => 'labels not at the start of the line',
'MULTISPACE' => 'multiple spaces used when not suitable',
'NOSPACEC' => 'missing space around ternary colon operator',
'NOSPACEEQUALS' => 'equals sign without preceding space',
'NOSPACEQ' => 'missing space around ternary question mark operator',
'NOSPACETHAN' => 'missing space around less or greater than',
'NOTEQUALSZERO', => 'if/while comparison with != 0',
'ONELINECONDITION' => 'conditional block on the same line as the if()',
'OPENCOMMENT' => 'file ended with a /* comment still "open"',
'PARENBRACE' => '){ without sufficient space',
'RETURNNOSPACE' => 'return without space',
'SEMINOSPACE' => 'semicolon without following space',
'SIZEOFNOPAREN' => 'use of sizeof without parentheses',
'SNPRINTF' => 'use of snprintf',
'SPACEAFTERPAREN' => 'space after open parenthesis',
'SPACEBEFORECLOSE' => 'space before a close parenthesis',
'SPACEBEFORECOMMA' => 'space before a comma',
'SPACEBEFOREPAREN' => 'space before an open parenthesis',
'SPACESEMICOLON' => 'space before semicolon',
'SPACESWITCHCOLON' => 'space before colon of switch label',
'TABS' => 'TAB characters not allowed',
'TRAILINGSPACE' => 'Trailing whitespace on the line',
'TYPEDEFSTRUCT' => 'typedefed struct',
'UNUSEDIGNORE' => 'a warning ignore was not used',
);
sub readskiplist {
@ -625,12 +626,37 @@ sub scanfile {
"space after open parenthesis");
}
# check spaces before colon
if($nostr =~ /^(.*[^']\?[^'].*)(\w|\)|\]|')\:/i) {
my $m = $1;
my $e = $nostr;
$e =~ s/'(.)':'(.)'/$1:$2/g; # eliminate chars quotes that suround colon
$e =~ s/':'//g; # ignore these
if($e =~ /^(.*[^']\?[^'].*)(\w|\)|\]|')\:/i) {
checkwarn("NOSPACEC",
$line, length($m)+1, $file, $l,
"missing space before colon");
}
}
# check spaces after colon
if($nostr =~ /^(.*[^'"]\?[^'"].*)\:(\w|\)|\]|')/i) {
my $m = $1;
my $e = $nostr;
$e =~ s/'(.)':'(.)'/$1:$2/g; # eliminate chars quotes that suround colon
$e =~ s/':'//g; # ignore these
if($e =~ /^(.*[^'"]\?[^'"].*)\:(\w|\)|\]|')/i) {
checkwarn("NOSPACEC",
$line, length($m)+1, $file, $l,
"missing space after colon");
}
}
# check spaces before question mark
if($nostr =~ /^(.*)(\w|\)|\]|')\?/i) {
my $m = $1;
my $e = $nostr;
$e =~ s/'?'//g; # ignore these
if($e =~ /^(.*)(\w|\)|')\?/i) {
if($e =~ /^(.*)(\w|\)|\]|')\?/i) {
checkwarn("NOSPACEQ",
$line, length($m)+1, $file, $l,
"missing space before question mark");