function format_flags(int $kind, int $flags) : string
{
list($exclusive, $combinable) = get_flag_info();
if (isset($exclusive[$kind])) {
$flagInfo = $exclusive[$kind];
if (isset($flagInfo[$flags])) {
return "{$flagInfo[$flags]} ({$flags})";
}
} else {
if (isset($combinable[$kind])) {
$flagInfo = $combinable[$kind];
$names = [];
foreach ($flagInfo as $flag => $name) {
if ($flags & $flag) {
$names[] = $name;
}
}
if (!empty($names)) {
return implode(" | ", $names) . " ({$flags})";
}
}
}
return (string) $flags;
}
private function csv_format_flags(int $kind, int $flags) : string
{
list($exclusive, $combinable) = get_flag_info();
if (isset($exclusive[$kind])) {
$flagInfo = $exclusive[$kind];
if (isset($flagInfo[$flags])) {
return $flagInfo[$flags];
}
} else {
if (isset($combinable[$kind])) {
$flagInfo = $combinable[$kind];
$names = [];
foreach ($flagInfo as $flag => $name) {
if ($flags & $flag) {
$names[] = $name;
}
}
if (!empty($names)) {
return implode($this->array_delim, $names);
}
}
}
// If the given $kind does not use either exclusive or combinable
// flags, or if it does, but the given $flags did not yield any
// flags for the given $kind, we arrive here. In principle $flags
// should always be 0 at this point.
// TODO: for ast\AST_ARRAY_ELEM (kind=525) and ast\AST_CLOSURE_VAR
// (kind=2049), the flag might be 1, meaning "by-reference", but
// this cannot be properly formated since no appropriate names are
// declared in util.php. Ask Niki about that. Maybe submit patch.
if ($flags === 0) {
return "";
} else {
return "\"[WARNING] Unexpected flags for kind: kind={$kind} and flags={$flags}\"";
}
}
