Avoid dynamic lookup of signal handler arguments

Rewrite signal handlers to include the parameters
in the rewrite. Also check whether parameters are
actually used when possible, and if not don't
provide them to the expression.

Change-Id: I7d65c05f4639979dd61035cf7478119ef7647c25
Reviewed-by: Matthew Vogt <matthew.vogt@nokia.com>
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/qml/qml/qqmlpropertycache_p.h b/src/qml/qml/qqmlpropertycache_p.h
index 87d15b3d62..b14e2f4c1f 100644
--- a/src/qml/qml/qqmlpropertycache_p.h
+++ b/src/qml/qml/qqmlpropertycache_p.h
@@ -300,7 +300,13 @@ public:
                                      QByteArray *unknownTypeError);
     static int methodReturnType(QObject *, const QQmlPropertyData &data,
                                 QByteArray *unknownTypeError);
-    static QList<QByteArray> signalParameterNames(QObject *, int index);
+
+    //see QMetaObjectPrivate::originalClone
+    int originalClone(int index);
+    static int originalClone(QObject *, int index);
+
+    QList<QByteArray> signalParameterNames(int index) const;
+    QString signalParameterStringForJS(int index, int *count = 0, QString *errorString = 0);
 
     const char *className() const;