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view vendor/psy/psysh/src/CodeCleaner/LeavePsyshAlonePass.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 5fb285c0d0e3 |
children |
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<?php /* * This file is part of Psy Shell. * * (c) 2012-2018 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\Expr\Variable; use Psy\Exception\RuntimeException; /** * 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 */ public function enterNode(Node $node) { if ($node instanceof Variable && $node->name === '__psysh__') { throw new RuntimeException('Don\'t mess with $__psysh__; bad things will happen'); } } }