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[yaffs-website] / vendor / psy / psysh / src / CodeCleaner / CallTimePassByReferencePass.php

diff --git a/vendor/psy/psysh/src/CodeCleaner/CallTimePassByReferencePass.php b/vendor/psy/psysh/src/CodeCleaner/CallTimePassByReferencePass.php
new file mode 100644 (file)
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+++ b/vendor/psy/psysh/src/CodeCleaner/CallTimePassByReferencePass.php
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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\FuncCall;
+use PhpParser\Node\Expr\MethodCall;
+use PhpParser\Node\Expr\StaticCall;
+use Psy\Exception\FatalErrorException;
+
+/**
+ * Validate that the user did not use the call-time pass-by-reference that causes a fatal error.
+ *
+ * As of PHP 5.4.0, call-time pass-by-reference was removed, so using it will raise a fatal error.
+ *
+ * @author Martin Hasoň <martin.hason@gmail.com>
+ */
+class CallTimePassByReferencePass extends CodeCleanerPass
+{
+    const EXCEPTION_MESSAGE = 'Call-time pass-by-reference has been removed';
+
+    /**
+     * Validate of use call-time pass-by-reference.
+     *
+     * @throws RuntimeException if the user used call-time pass-by-reference in PHP >= 5.4.0
+     *
+     * @param Node $node
+     */
+    public function enterNode(Node $node)
+    {
+        if (!$node instanceof FuncCall && !$node instanceof MethodCall && !$node instanceof StaticCall) {
+            return;
+        }
+
+        foreach ($node->args as $arg) {
+            if ($arg->byRef) {
+                throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, E_ERROR, null, $node->getLine());
+            }
+        }
+    }
+}