From c96f502c6c32af54a8e91a131523a06b67762522 Mon Sep 17 00:00:00 2001
From: hjk <hjk@qt.io>
Date: Wed, 29 May 2024 18:34:07 +0200
Subject: [PATCH] Lua: Robustify LayoutBuilder integration

"Executing"  'Row { "a", b, "c" }' with unquoted b  previously crashed.

Change-Id: Ifb505c1a836a6041b05911e322cad596c3969e03
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>
---
 src/plugins/lua/bindings/layout.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/plugins/lua/bindings/layout.cpp b/src/plugins/lua/bindings/layout.cpp
index 2a0c1574fb2..a7c32921c60 100644
--- a/src/plugins/lua/bindings/layout.cpp
+++ b/src/plugins/lua/bindings/layout.cpp
@@ -19,9 +19,15 @@ static void processChildren(T *item, const sol::table &children)
     for (size_t i = 1; i <= children.size(); ++i) {
         const auto &child = children[i];
         if (child.is<Layout *>()) {
-            item->addItem(*child.get<Layout *>());
+            if (Layout *layout = child.get<Layout *>())
+                item->addItem(*layout);
+            else
+                item->addItem("ERROR");
         } else if (child.is<Widget *>()) {
-            item->addItem(*child.get<Widget *>());
+            if (Widget *widget = child.get<Widget *>())
+                item->addItem(*widget);
+            else
+                item->addItem("ERROR");
         } else if (child.is<BaseAspect>()) {
             child.get<BaseAspect *>()->addToLayout(*item);
         } else if (child.is<QString>()) {