Файл: gapps/vendor/psy/psysh/src/Psy/CodeCleaner/AssignThisVariablePass.php
Строк: 46
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2015 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 as Node;
use PhpParserNodeExprAssign;
use PhpParserNodeExprVariable;
use PsyExceptionFatalErrorException;
/**
* Validate that the user input does not assign the `$this` variable.
*
* @author Martin Hasoň <martin.hason@gmail.com>
*/
class AssignThisVariablePass extends CodeCleanerPass
{
/**
* Validate that the user input does not assign the `$this` variable.
*
* @throws RuntimeException if the user assign the `$this` variable.
*
* @param Node $node
*/
public function enterNode(Node $node)
{
if ($node instanceof Assign && $node->var instanceof Variable && $node->var->name === 'this') {
throw new FatalErrorException('Cannot re-assign $this');
}
}
}