From 6a4a7d7c254bf509bb392bf97abd8eb89c95ace5 Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@kyllikki.org>
Date: Mon, 5 Oct 2015 21:53:43 +0100
Subject: [PATCH] report error getting user data in document.write

---
 javascript/duktape/Document.bnd | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/javascript/duktape/Document.bnd b/javascript/duktape/Document.bnd
index 897019fb3..7130511a1 100644
--- a/javascript/duktape/Document.bnd
+++ b/javascript/duktape/Document.bnd
@@ -32,9 +32,15 @@ method Document::write()
 	err = dom_node_get_user_data(priv->parent.node,
 				     corestring_dom___ns_key_html_content_data,
 				     &htmlc);
-	assert(htmlc != NULL);
-	if (err == DOM_NO_ERR && htmlc->parser != NULL) {
-		dom_hubbub_parser_insert_chunk(htmlc->parser, (uint8_t *)text, text_len);
+	if ((err == DOM_NO_ERR) &&
+	    (htmlc != NULL) &&
+	    (htmlc->parser != NULL)) {
+		dom_hubbub_parser_insert_chunk(htmlc->parser,
+					       (uint8_t *)text,
+					       text_len);
+	} else {
+		LOG("error getting htmlc. parent node:%p htmlc:%p",
+		    priv->parent.node, htmlc);
 	}
 	return 0;
 %}