upgraded dependencies

vendor/psy/psysh/src/CodeCleaner/EmptyArrayDimFetchPass.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2022 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\ArrayDimFetch;
+use PhpParser\Node\Expr\Assign;
+use Psy\Exception\FatalErrorException;
+
+/**
+ * Validate empty brackets are only used for assignment.
+ */
+class EmptyArrayDimFetchPass extends CodeCleanerPass
+{
+    const EXCEPTION_MESSAGE = 'Cannot use [] for reading';
+
+    private $theseOnesAreFine = [];
+
+    /**
+     * @return Node[]|null Array of nodes
+     */
+    public function beforeTraverse(array $nodes)
+    {
+        $this->theseOnesAreFine = [];
+    }
+
+    /**
+     * @throws FatalErrorException if the user used empty empty array dim fetch outside of assignment
+     *
+     * @param Node $node
+     *
+     * @return int|Node|null Replacement node (or special return value)
+     */
+    public function enterNode(Node $node)
+    {
+        if ($node instanceof Assign && $node->var instanceof ArrayDimFetch) {
+            $this->theseOnesAreFine[] = $node->var;
+        }
+
+        if ($node instanceof ArrayDimFetch && $node->dim === null) {
+            if (!\in_array($node, $this->theseOnesAreFine)) {
+                throw new FatalErrorException(self::EXCEPTION_MESSAGE, $node->getLine());
+            }
+        }
+    }
+}