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✎ Editing: SemicolonSpacingSniff.php ← Back

<?php
/**
 * Ensure there is no whitespace before a semicolon.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\WhiteSpace;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;

class SemicolonSpacingSniff implements Sniff
{

/**
     * A list of tokenizers this sniff supports.
     *
     * @var array
     */
    public $supportedTokenizers = [
        'PHP',
        'JS',
    ];

/**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register()
    {
        return [T_SEMICOLON];

}//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();

$prevType = $tokens[($stackPtr - 1)]['code'];
        if (isset(Tokens::$emptyTokens[$prevType]) === false) {
            return;
        }

$nonSpace = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($stackPtr - 2), null, true);

// Detect whether this is a semicolon for a condition in a `for()` control structure.
        $forCondition = false;
        if (isset($tokens[$stackPtr]['nested_parenthesis']) === true) {
            $nestedParens     = $tokens[$stackPtr]['nested_parenthesis'];
            $closeParenthesis = end($nestedParens);

if (isset($tokens[$closeParenthesis]['parenthesis_owner']) === true) {
                $owner = $tokens[$closeParenthesis]['parenthesis_owner'];

if ($tokens[$owner]['code'] === T_FOR) {
                    $forCondition = true;
                    $nonSpace     = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 2), null, true);
                }
            }
        }

if ($tokens[$nonSpace]['code'] === T_SEMICOLON
            || ($forCondition === true && $nonSpace === $tokens[$owner]['parenthesis_opener'])
            || (isset($tokens[$nonSpace]['scope_opener']) === true
            && $tokens[$nonSpace]['scope_opener'] === $nonSpace)
        ) {
            // Empty statement.
            return;
        }

$expected = $tokens[$nonSpace]['content'].';';
        $found    = $phpcsFile->getTokensAsString($nonSpace, ($stackPtr - $nonSpace)).';';
        $found    = str_replace("\n", '\n', $found);
        $found    = str_replace("\r", '\r', $found);
        $found    = str_replace("\t", '\t', $found);
        $error    = 'Space found before semicolon; expected "%s" but found "%s"';
        $data     = [
            $expected,
            $found,
        ];

$fix = $phpcsFile->addFixableError($error, $stackPtr, 'Incorrect', $data);
        if ($fix === true) {
            $phpcsFile->fixer->beginChangeset();
            $i = ($stackPtr - 1);
            while (($tokens[$i]['code'] === T_WHITESPACE) && ($i > $nonSpace)) {
                $phpcsFile->fixer->replaceToken($i, '');
                $i--;
            }

$phpcsFile->fixer->addContent($nonSpace, ';');
            $phpcsFile->fixer->replaceToken($stackPtr, '');

$phpcsFile->fixer->endChangeset();
        }

}//end process()

}//end class

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