update lock clucknut

vendor/psy/psysh/src/Completion/DeepestNodeVisitor.php

@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2026 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Completion;
+
+use PhpParser\Node;
+use PhpParser\Node\Stmt\Expression;
+use PhpParser\NodeTraverser;
+use PhpParser\NodeVisitorAbstract;
+
+/**
+ * Visitor to find the top-level expression node in the statement.
+ *
+ * We want the outermost expression (PropertyFetch, MethodCall, New_, etc.)
+ * not their child nodes. For a statement like `$baz->format;`, we want the
+ * PropertyFetch node, not the Variable node inside it.
+ */
+class DeepestNodeVisitor extends NodeVisitorAbstract
+{
+    private ?Node $targetNode = null;
+
+    public function enterNode(Node $node)
+    {
+        // If this is an Expression statement, grab its expression
+        if ($node instanceof Expression) {
+            $this->targetNode = $node->expr;
+
+            // Don't traverse into the expression - we have what we need
+            // @phan-suppress-next-line PhanDeprecatedClassConstant - keep compat with php-parser 4.x baseline
+            return NodeTraverser::DONT_TRAVERSE_CHILDREN;
+        }
+
+        return null;
+    }
+
+    public function getDeepestNode(): ?Node
+    {
+        return $this->targetNode;
+    }
+}