57 lines
1.4 KiB
PHP
57 lines
1.4 KiB
PHP
<?php declare(strict_types = 1);
|
|
|
|
namespace SlevomatCodingStandard\Sniffs\Exceptions;
|
|
|
|
use PHP_CodeSniffer\Files\File;
|
|
use PHP_CodeSniffer\Sniffs\Sniff;
|
|
use SlevomatCodingStandard\Helpers\CatchHelper;
|
|
use SlevomatCodingStandard\Helpers\TokenHelper;
|
|
use function in_array;
|
|
use const T_CATCH;
|
|
|
|
class DeadCatchSniff implements Sniff
|
|
{
|
|
|
|
public const CODE_CATCH_AFTER_THROWABLE_CATCH = 'CatchAfterThrowableCatch';
|
|
|
|
/**
|
|
* @return array<int, (int|string)>
|
|
*/
|
|
public function register(): array
|
|
{
|
|
return [
|
|
T_CATCH,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
|
|
* @param int $catchPointer
|
|
*/
|
|
public function process(File $phpcsFile, $catchPointer): void
|
|
{
|
|
$tokens = $phpcsFile->getTokens();
|
|
|
|
$catchToken = $tokens[$catchPointer];
|
|
$caughtTypes = CatchHelper::findCaughtTypesInCatch($phpcsFile, $catchToken);
|
|
|
|
if (!in_array('\\Throwable', $caughtTypes, true)) {
|
|
return;
|
|
}
|
|
|
|
$nextCatchPointer = TokenHelper::findNextEffective($phpcsFile, $catchToken['scope_closer'] + 1);
|
|
|
|
while ($nextCatchPointer !== null) {
|
|
$nextCatchToken = $tokens[$nextCatchPointer];
|
|
if ($nextCatchToken['code'] !== T_CATCH) {
|
|
break;
|
|
}
|
|
|
|
$phpcsFile->addError('Unreachable catch block.', $nextCatchPointer, self::CODE_CATCH_AFTER_THROWABLE_CATCH);
|
|
|
|
$nextCatchPointer = TokenHelper::findNextEffective($phpcsFile, $nextCatchToken['scope_closer'] + 1);
|
|
}
|
|
}
|
|
|
|
}
|