QDeclarativeDebug: Keep source information when changing an expression

Copy over the source code location of an expression when it is changed throu
the debugging facilities. This enables JavaScript breakpoints to be hit even
after the source code of the function has changed.

Task-number: QTCREATORBUG-2824
Reviewed-by: Kai Koehne

1 files changed, 2 insertions, 1 deletions

diff --git a/src/declarative/qml/qdeclarativeenginedebug.cpp b/src/declarative/qml/qdeclarativeenginedebug.cpp
index ed28185..bffe681 100644
--- a/src/declarative/qml/qdeclarativeenginedebug.cpp
+++ b/src/declarative/qml/qdeclarativeenginedebug.cpp
@@ -502,7 +502,8 @@ void QDeclarativeEngineDebugServer::setBinding(int objectId,
             property.write(expression);
         } else if (hasValidSignal(object, propertyName)) {
             QDeclarativeExpression *declarativeExpression = new QDeclarativeExpression(context, object, expression.toString());
-            QDeclarativePropertyPrivate::setSignalExpression(property, declarativeExpression);
+            QDeclarativeExpression *oldExpression = QDeclarativePropertyPrivate::setSignalExpression(property, declarativeExpression);
+            declarativeExpression->setSourceLocation(oldExpression->sourceFile(), oldExpression->lineNumber());
         } else if (property.isProperty()) {
             QDeclarativeBinding *binding = new QDeclarativeBinding(expression.toString(), object, context);
             binding->setTarget(property);