QmlJS: Convert more dynamic_casts to value_casts.

And introduce a good error message for the case when someone
forgets the specialization of the value_cast template.

Change-Id: Iec55a839e8f5eef5872b1dab8601f66e0e0c88de
Reviewed-by: Leandro T. C. Melo <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libs/qmljs/qmljsscopebuilder.cpp b/src/libs/qmljs/qmljsscopebuilder.cpp
index dda5496bc5d..6d4be19372d 100644
--- a/src/libs/qmljs/qmljsscopebuilder.cpp
+++ b/src/libs/qmljs/qmljsscopebuilder.cpp
@@ -84,11 +84,11 @@ void ScopeBuilder::push(AST::Node *node)
                     break;
             }
             // signals defined in QML
-            if (const ASTSignal *astsig = dynamic_cast<const ASTSignal *>(value)) {
+            if (const ASTSignal *astsig = value_cast<ASTSignal>(value)) {
                 _scopeChain->appendJsScope(astsig->bodyScope());
             }
             // signals defined in C++
-            else if (const CppComponentValue *qmlObject = dynamic_cast<const CppComponentValue *>(owner)) {
+            else if (const CppComponentValue *qmlObject = value_cast<CppComponentValue>(owner)) {
                 if (const ObjectValue *scope = qmlObject->signalScope(name)) {
                     _scopeChain->appendJsScope(scope);
                 }