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<?php |
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/** |
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* \PHPCompatibility\Sniffs\PHP\ForbiddenBreakContinueVariableArguments. |
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* |
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* PHP version 5.4 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Wim Godden <[email protected]> |
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* @copyright 2012 Cu.be Solutions bvba |
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*/ |
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namespace PHPCompatibility\Sniffs\PHP; |
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use PHPCompatibility\Sniff; |
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/** |
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* \PHPCompatibility\Sniffs\PHP\ForbiddenBreakContinueVariableArguments. |
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* |
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* Forbids variable arguments on break or continue statements. |
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* |
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* PHP version 5.4 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Wim Godden <[email protected]> |
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* @copyright 2012 Cu.be Solutions bvba |
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*/ |
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class ForbiddenBreakContinueVariableArgumentsSniff extends Sniff |
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{ |
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/** |
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* Error types this sniff handles for forbidden break/continue arguments. |
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* |
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* Array key is the error code. Array value will be used as part of the error message. |
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* |
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* @var array |
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*/ |
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private $errorTypes = array( |
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'variableArgument' => 'a variable argument', |
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'zeroArgument' => '0 as an argument', |
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); |
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/** |
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* Returns an array of tokens this test wants to listen for. |
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* |
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* @return array |
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*/ |
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public function register() |
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{ |
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return array(T_BREAK, T_CONTINUE); |
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}//end register() |
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/** |
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* Processes this test, when one of its tokens is encountered. |
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* |
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned. |
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* @param int $stackPtr The position of the current token in the |
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* stack passed in $tokens. |
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* |
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* @return void |
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*/ |
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public function process(\PHP_CodeSniffer_File $phpcsFile, $stackPtr) |
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{ |
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if ($this->supportsAbove('5.4') === false) { |
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return; |
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} |
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$tokens = $phpcsFile->getTokens(); |
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$nextSemicolonToken = $phpcsFile->findNext(array(T_SEMICOLON, T_CLOSE_TAG), ($stackPtr), null, false); |
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$errorType = ''; |
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for ($curToken = $stackPtr + 1; $curToken < $nextSemicolonToken; $curToken++) { |
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if ($tokens[$curToken]['type'] === 'T_STRING') { |
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// If the next non-whitespace token after the string |
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// is an opening parenthesis then it's a function call. |
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$openBracket = $phpcsFile->findNext(\PHP_CodeSniffer_Tokens::$emptyTokens, $curToken + 1, null, true); |
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if ($tokens[$openBracket]['code'] === T_OPEN_PARENTHESIS) { |
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$errorType = 'variableArgument'; |
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break; |
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} |
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} elseif (in_array($tokens[$curToken]['type'], array('T_VARIABLE', 'T_FUNCTION', 'T_CLOSURE'), true)) { |
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$errorType = 'variableArgument'; |
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break; |
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} elseif ($tokens[$curToken]['type'] === 'T_LNUMBER' && $tokens[$curToken]['content'] === '0') { |
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$errorType = 'zeroArgument'; |
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break; |
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} |
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} |
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if ($errorType !== '') { |
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$error = 'Using %s on break or continue is forbidden since PHP 5.4'; |
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$errorCode = $errorType.'Found'; |
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$data = array($this->errorTypes[$errorType]); |
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$phpcsFile->addError($error, $stackPtr, $errorCode, $data); |
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} |
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}//end process() |
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}//end class |
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wimg /
PHPCompatibility
