* stmt { * // foo * } * stmt (conditions) { * // foo * } * * * @author Manuel Pichler * @author Greg Sherwood * @copyright 2007-2014 Manuel Pichler. All rights reserved. * @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence */ namespace PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis; use PHP_CodeSniffer\Files\File; use PHP_CodeSniffer\Sniffs\Sniff; use PHP_CodeSniffer\Util\Tokens; class EmptyStatementSniff implements Sniff { /** * Registers the tokens that this sniff wants to listen for. * * @return int[] */ public function register() { return [ T_TRY, T_CATCH, T_FINALLY, T_DO, T_ELSE, T_ELSEIF, T_FOR, T_FOREACH, T_IF, T_SWITCH, T_WHILE, T_MATCH, ]; }//end register() /** * Processes this test, when one of its tokens is encountered. * * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned. * @param int $stackPtr The position of the current token * in the stack passed in $tokens. * * @return void */ public function process(File $phpcsFile, $stackPtr) { $tokens = $phpcsFile->getTokens(); $token = $tokens[$stackPtr]; // Skip statements without a body. if (isset($token['scope_opener']) === false) { return; } $next = $phpcsFile->findNext( Tokens::$emptyTokens, ($token['scope_opener'] + 1), ($token['scope_closer'] - 1), true ); if ($next !== false) { return; } // Get token identifier. $name = strtoupper($token['content']); $error = 'Empty %s statement detected'; $phpcsFile->addError($error, $stackPtr, 'Detected'.ucfirst(strtolower($name)), [$name]); }//end process() }//end class