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CalledClassPass.php (2.69 KB)

ExitPass.php (859 B)

FinalClassPass.php (1.75 KB)

ImplicitReturnPass.php (4.12 KB)

IssetPass.php (1.37 KB)

LabelContextPass.php (2.55 KB)

LeavePsyshAlonePass.php (992 B)

ListPass.php (2.81 KB)

MagicConstantsPass.php (1.04 KB)

NoReturnValue.php (828 B)

RequirePass.php (4.78 KB)

ReturnTypePass.php (3.63 KB)

StrictTypesPass.php (3.11 KB)

ValidConstructorPass.php (4.03 KB)

Edit: FinalClassPass.php

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\CodeCleaner;

use PhpParser\Node;
use PhpParser\Node\Stmt\Class_;
use Psy\Exception\FatalErrorException;

/**
 * The final class pass handles final classes.
 */
class FinalClassPass extends CodeCleanerPass
{
    private array $finalClasses = [];

/**
     * @param array $nodes
     *
     * @return Node[]|null Array of nodes
     */
    public function beforeTraverse(array $nodes)
    {
        $this->finalClasses = [];
    }

/**
     * @throws FatalErrorException if the node is a class that extends a final class
     *
     * @param Node $node
     *
     * @return int|Node|null Replacement node (or special return value)
     */
    public function enterNode(Node $node)
    {
        if ($node instanceof Class_) {
            if ($node->extends) {
                $extends = (string) $node->extends;
                if ($this->isFinalClass($extends)) {
                    $msg = \sprintf('Class %s may not inherit from final class (%s)', $node->name, $extends);
                    throw new FatalErrorException($msg, 0, \E_ERROR, null, $node->getStartLine());
                }
            }

if ($node->isFinal()) {
                $this->finalClasses[\strtolower($node->name)] = true;
            }
        }
    }

/**
     * @param string $name Class name
     */
    private function isFinalClass(string $name): bool
    {
        if (!\class_exists($name)) {
            return isset($this->finalClasses[\strtolower($name)]);
        }

$refl = new \ReflectionClass($name);

return $refl->isFinal();
    }
}