Файл: vendor/psy/psysh/src/CodeCleaner/LeavePsyshAlonePass.php
Строк: 46
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2022 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PsyCodeCleaner;
use PhpParserNode;
use PhpParserNodeExprVariable;
use PsyExceptionRuntimeException;
/**
* Validate that the user input does not reference the `$__psysh__` variable.
*/
class LeavePsyshAlonePass extends CodeCleanerPass
{
/**
* Validate that the user input does not reference the `$__psysh__` variable.
*
* @throws RuntimeException if the user is messing with $__psysh__
*
* @param Node $node
*
* @return int|Node|null Replacement node (or special return value)
*/
public function enterNode(Node $node)
{
if ($node instanceof Variable && $node->name === '__psysh__') {
throw new RuntimeException('Don't mess with $__psysh__; bad things will happen');
}
}
}