annotate vendor/psy/psysh/src/CodeCleaner/CallTimePassByReferencePass.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents c2387f117808
children
rev   line source
Chris@13 1 <?php
Chris@13 2
Chris@13 3 /*
Chris@13 4 * This file is part of Psy Shell.
Chris@13 5 *
Chris@13 6 * (c) 2012-2018 Justin Hileman
Chris@13 7 *
Chris@13 8 * For the full copyright and license information, please view the LICENSE
Chris@13 9 * file that was distributed with this source code.
Chris@13 10 */
Chris@13 11
Chris@13 12 namespace Psy\CodeCleaner;
Chris@13 13
Chris@13 14 use PhpParser\Node;
Chris@13 15 use PhpParser\Node\Expr\FuncCall;
Chris@13 16 use PhpParser\Node\Expr\MethodCall;
Chris@13 17 use PhpParser\Node\Expr\StaticCall;
Chris@13 18 use Psy\Exception\FatalErrorException;
Chris@13 19
Chris@13 20 /**
Chris@13 21 * Validate that the user did not use the call-time pass-by-reference that causes a fatal error.
Chris@13 22 *
Chris@13 23 * As of PHP 5.4.0, call-time pass-by-reference was removed, so using it will raise a fatal error.
Chris@13 24 *
Chris@13 25 * @author Martin HasoĊˆ <martin.hason@gmail.com>
Chris@13 26 */
Chris@13 27 class CallTimePassByReferencePass extends CodeCleanerPass
Chris@13 28 {
Chris@13 29 const EXCEPTION_MESSAGE = 'Call-time pass-by-reference has been removed';
Chris@13 30
Chris@13 31 /**
Chris@13 32 * Validate of use call-time pass-by-reference.
Chris@13 33 *
Chris@16 34 * @throws RuntimeException if the user used call-time pass-by-reference
Chris@13 35 *
Chris@13 36 * @param Node $node
Chris@13 37 */
Chris@13 38 public function enterNode(Node $node)
Chris@13 39 {
Chris@13 40 if (!$node instanceof FuncCall && !$node instanceof MethodCall && !$node instanceof StaticCall) {
Chris@13 41 return;
Chris@13 42 }
Chris@13 43
Chris@13 44 foreach ($node->args as $arg) {
Chris@13 45 if ($arg->byRef) {
Chris@13 46 throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, E_ERROR, null, $node->getLine());
Chris@13 47 }
Chris@13 48 }
Chris@13 49 }
Chris@13 50 }