NewWithoutParenthesesSniff.php

<?php

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

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use SlevomatCodingStandard\Helpers\FixerHelper;
use SlevomatCodingStandard\Helpers\TokenHelper;
use const T_ANON_CLASS;
use const T_CLOSE_PARENTHESIS;
use const T_CLOSE_SHORT_ARRAY;
use const T_CLOSE_SQUARE_BRACKET;
use const T_COALESCE;
use const T_COMMA;
use const T_DOUBLE_ARROW;
use const T_INLINE_ELSE;
use const T_INLINE_THEN;
use const T_NEW;
use const T_OPEN_PARENTHESIS;
use const T_SEMICOLON;
class NewWithoutParenthesesSniff implements Sniff {
    public const CODE_USELESS_PARENTHESES = 'UselessParentheses';
    
    /**
     * @return array<int, (int|string)>
     */
    public function register() : array {
        return [
            T_NEW,
        ];
    }
    
    /**
     * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
     * @param int $newPointer
     */
    public function process(File $phpcsFile, $newPointer) : void {
        $tokens = $phpcsFile->getTokens();
        
        /** @var int $nextPointer */
        $nextPointer = TokenHelper::findNextEffective($phpcsFile, $newPointer + 1);
        if ($tokens[$nextPointer]['code'] === T_ANON_CLASS) {
            return;
        }
        $parenthesisOpenerPointer = $nextPointer + 1;
        do {
            
            /** @var int $parenthesisOpenerPointer */
            $parenthesisOpenerPointer = TokenHelper::findNext($phpcsFile, [
                T_OPEN_PARENTHESIS,
                T_SEMICOLON,
                T_COMMA,
                T_INLINE_THEN,
                T_INLINE_ELSE,
                T_COALESCE,
                T_CLOSE_SHORT_ARRAY,
                T_CLOSE_SQUARE_BRACKET,
                T_CLOSE_PARENTHESIS,
                T_DOUBLE_ARROW,
            ], $parenthesisOpenerPointer);
            if ($tokens[$parenthesisOpenerPointer]['code'] !== T_CLOSE_SQUARE_BRACKET || $tokens[$parenthesisOpenerPointer]['bracket_opener'] <= $newPointer) {
                break;
            }
            $parenthesisOpenerPointer++;
        } while (true);
        if ($tokens[$parenthesisOpenerPointer]['code'] !== T_OPEN_PARENTHESIS) {
            return;
        }
        $nextPointer = TokenHelper::findNextNonWhitespace($phpcsFile, $parenthesisOpenerPointer + 1);
        if ($nextPointer !== $tokens[$parenthesisOpenerPointer]['parenthesis_closer']) {
            return;
        }
        $fix = $phpcsFile->addFixableError('Useless parentheses in "new".', $newPointer, self::CODE_USELESS_PARENTHESES);
        if (!$fix) {
            return;
        }
        $phpcsFile->fixer
            ->beginChangeset();
        FixerHelper::removeBetweenIncluding($phpcsFile, $parenthesisOpenerPointer, $tokens[$parenthesisOpenerPointer]['parenthesis_closer']);
        $phpcsFile->fixer
            ->endChangeset();
    }

}