50 lines
1.4 KiB
PHP
50 lines
1.4 KiB
PHP
<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2018 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Psy\CodeCleaner;
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use PhpParser\Node;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Expr\MethodCall;
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use PhpParser\Node\Expr\StaticCall;
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use Psy\Exception\FatalErrorException;
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/**
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* Validate that the user did not use the call-time pass-by-reference that causes a fatal error.
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*
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* As of PHP 5.4.0, call-time pass-by-reference was removed, so using it will raise a fatal error.
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*
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* @author Martin Hasoň <martin.hason@gmail.com>
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*/
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class CallTimePassByReferencePass extends CodeCleanerPass
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{
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const EXCEPTION_MESSAGE = 'Call-time pass-by-reference has been removed';
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/**
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* Validate of use call-time pass-by-reference.
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*
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* @throws RuntimeException if the user used call-time pass-by-reference
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*
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* @param Node $node
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*/
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public function enterNode(Node $node)
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{
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if (!$node instanceof FuncCall && !$node instanceof MethodCall && !$node instanceof StaticCall) {
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return;
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}
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foreach ($node->args as $arg) {
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if ($arg->byRef) {
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throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, E_ERROR, null, $node->getLine());
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}
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}
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}
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}
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