From ed8bf4e2b2ec23f44a8d5b33dba9e1329d484671 Mon Sep 17 00:00:00 2001
From: Andreas Heiberg <andreas@heiberg.io>
Date: Fri, 7 Apr 2017 11:34:33 +0100
Subject: [PATCH] fix __toString() for AST Node

previously it would only shallowly convert to array causing json_encode to fail
---
 src/Language/AST/Node.php | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/Language/AST/Node.php b/src/Language/AST/Node.php
index ce5a77b..fc3349c 100644
--- a/src/Language/AST/Node.php
+++ b/src/Language/AST/Node.php
@@ -80,12 +80,46 @@ abstract class Node
      * @return string
      */
     public function __toString()
+    {
+        $tmp = $this->toArray();
+        $tmp['loc'] = [
+            'start' => $this->loc->start,
+            'end' => $this->loc->end
+        ];
+
+        return json_encode($tmp);
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray()
     {
         $tmp = (array) $this;
         $tmp['loc'] = [
             'start' => $this->loc->start,
             'end' => $this->loc->end
         ];
-        return json_encode($tmp);
+
+        $this->recursiveToArray($tmp);
+
+        return $tmp;
+    }
+
+    /**
+     * @param $object
+     */
+    public function recursiveToArray(&$object)
+    {
+        if ($object instanceof Node) {
+            /** @var Node $object */
+            $object = $object->toArray();
+        } elseif (is_object($object)) {
+            $object = (array) $object;
+        } elseif (is_array($object)) {
+            foreach ($object as &$o) {
+                $this->recursiveToArray($o);
+            }
+        }
     }
 }