1 files changed, 20 insertions, 0 deletions
diff --git a/vendor/nikic/php-parser/lib/PhpParser/NodeVisitor/CloningVisitor.php b/vendor/nikic/php-parser/lib/PhpParser/NodeVisitor/CloningVisitor.php
new file mode 100644
index 000000000..a85fa493b
--- /dev/null
+++ b/vendor/nikic/php-parser/lib/PhpParser/NodeVisitor/CloningVisitor.php
@@ -0,0 +1,20 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\NodeVisitor;
+
+use PhpParser\Node;
+use PhpParser\NodeVisitorAbstract;
+
+/**
+ * Visitor cloning all nodes and linking to the original nodes using an attribute.
+ *
+ * This visitor is required to perform format-preserving pretty prints.
+ */
+class CloningVisitor extends NodeVisitorAbstract
+{
+    public function enterNode(Node $origNode) {
+        $node = clone $origNode;
+        $node->setAttribute('origNode', $origNode);
+        return $node;
+    }
+}