QmlCompiler: Add method to get first non-composite base scope

That's a recurring thing.

Change-Id: I8dc049a559e337c70089dd1f81ff23bf7d2140fe
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/qmlcompiler/qqmljsscope_p.h b/src/qmlcompiler/qqmljsscope_p.h
index 0513612e42..f1ead0ece2 100644
--- a/src/qmlcompiler/qqmljsscope_p.h
+++ b/src/qmlcompiler/qqmljsscope_p.h
@@ -244,6 +244,15 @@ public:
         return m_sourceLocation;
     }
 
+    static QQmlJSScope::ConstPtr nonCompositeBaseType(const QQmlJSScope::ConstPtr &type)
+    {
+        for (QQmlJSScope::ConstPtr base = type; base; base = base->baseType()) {
+            if (!base->isComposite())
+                return base;
+        }
+        return {};
+    }
+
 private:
     QQmlJSScope(ScopeType type, const QQmlJSScope::Ptr &parentScope = QQmlJSScope::Ptr());