QmlJS: Add error message for Component with multiple children

Component is only allowed to have a single child element, that will
be the root element of the component.

If there is no child at all we create a warning. Having no child is
temporarily required.

Change-Id: I5c0d9d9cdf1be106b20ed4f1134a973d58126498
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/libs/qmljs/qmljsstaticanalysismessage.h b/src/libs/qmljs/qmljsstaticanalysismessage.h
index e651533fd7..51a517d235 100644
--- a/src/libs/qmljs/qmljsstaticanalysismessage.h
+++ b/src/libs/qmljs/qmljsstaticanalysismessage.h
@@ -132,6 +132,8 @@ enum Type {
     ErrInvalidArrayValueLength = 323,
     ErrHitMaximumRecursion = 324,
     WarnLogicalValueDoesNotDependOnValues = 325,
+    ErrToManyComponentChildren = 326,
+    WarnComponentRequiresChildren = 327,
     WarnDuplicateImport = 400
 };