DisallowConstructorPropertyPromotionSniff.php

<?php

declare (strict_types=1);
namespace SlevomatCodingStandard\Sniffs\Classes;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use SlevomatCodingStandard\Helpers\TokenHelper;
use function sprintf;
use function strtolower;
use const T_FUNCTION;
use const T_PRIVATE;
use const T_PROTECTED;
use const T_PUBLIC;
use const T_READONLY;
use const T_VARIABLE;
class DisallowConstructorPropertyPromotionSniff implements Sniff {
    public const CODE_DISALLOWED_CONSTRUCTOR_PROPERTY_PROMOTION = 'DisallowedConstructorPropertyPromotion';
    
    /**
     * @return array<int, (int|string)>
     */
    public function register() : array {
        return [
            T_FUNCTION,
        ];
    }
    
    /**
     * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
     * @param int $functionPointer
     */
    public function process(File $phpcsFile, $functionPointer) : void {
        $tokens = $phpcsFile->getTokens();
        $namePointer = TokenHelper::findNextEffective($phpcsFile, $functionPointer + 1);
        if (strtolower($tokens[$namePointer]['content']) !== '__construct') {
            return;
        }
        $modifierPointers = TokenHelper::findNextAll($phpcsFile, [
            T_PUBLIC,
            T_PROTECTED,
            T_PRIVATE,
            T_READONLY,
        ], $tokens[$functionPointer]['parenthesis_opener'] + 1, $tokens[$functionPointer]['parenthesis_closer']);
        if ($modifierPointers === []) {
            return;
        }
        foreach ($modifierPointers as $modifierPointer) {
            $variablePointer = TokenHelper::findNext($phpcsFile, T_VARIABLE, $modifierPointer + 1);
            $phpcsFile->addError(sprintf('Constructor property promotion is disallowed, promotion of property %s found.', $tokens[$variablePointer]['content']), $variablePointer, self::CODE_DISALLOWED_CONSTRUCTOR_PROPERTY_PROMOTION);
        }
    }

}