qmllint: Support extended types

Fixes: QTBUG-90448
Change-Id: I5fb6b3d9223ae95ca7e039c5b9139ed086052c29
Reviewed-by: Maximilian Goldstein <max.goldstein@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 12 insertions, 1 deletions

diff --git a/tools/qmllint/checkidentifiers.cpp b/tools/qmllint/checkidentifiers.cpp
index b718f0f691..90456f97aa 100644
--- a/tools/qmllint/checkidentifiers.cpp
+++ b/tools/qmllint/checkidentifiers.cpp
@@ -86,6 +86,12 @@ static bool walkViaParentAndAttachedScopes(QQmlJSScope::ConstPtr rootType,
         return false;
     std::stack<QQmlJSScope::ConstPtr> stack;
     stack.push(rootType);
+
+    if (!rootType->isComposite()) {
+        if (auto extension = rootType->extensionType())
+            stack.push(extension);
+    }
+
     while (!stack.empty()) {
         const auto type = stack.top();
         stack.pop();
@@ -93,8 +99,13 @@ static bool walkViaParentAndAttachedScopes(QQmlJSScope::ConstPtr rootType,
         if (visit(type))
             return true;
 
-        if (auto superType = type->baseType())
+        if (auto superType = type->baseType()) {
             stack.push(superType);
+            if (type->isComposite() && !superType->isComposite()) {
+                if (auto extension = superType->extensionType())
+                    stack.push(extension);
+            }
+        }
 
         if (auto attachedType = type->attachedType())
             stack.push(attachedType);