diff options
| -rw-r--r-- | src/qml/jsapi/qjsengine.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/qml/jsapi/qjsengine.cpp b/src/qml/jsapi/qjsengine.cpp index 4241213c09..5bcc4600a2 100644 --- a/src/qml/jsapi/qjsengine.cpp +++ b/src/qml/jsapi/qjsengine.cpp @@ -247,6 +247,11 @@ Q_DECLARE_METATYPE(QList<int>) QT_BEGIN_NAMESPACE +static void checkForApplicationInstance() +{ + if (!QCoreApplication::instance()) + qFatal("QJSEngine: Must construct a QCoreApplication before a QJSEngine"); +} /*! Constructs a QJSEngine object. @@ -258,6 +263,8 @@ QJSEngine::QJSEngine() : QObject(*new QJSEnginePrivate, 0) , d(new QV8Engine(this)) { + checkForApplicationInstance(); + QJSEnginePrivate::addToDebugServer(this); } @@ -272,6 +279,8 @@ QJSEngine::QJSEngine(QObject *parent) : QObject(*new QJSEnginePrivate, parent) , d(new QV8Engine(this)) { + checkForApplicationInstance(); + QJSEnginePrivate::addToDebugServer(this); } @@ -282,6 +291,7 @@ QJSEngine::QJSEngine(QJSEnginePrivate &dd, QObject *parent) : QObject(dd, parent) , d(new QV8Engine(this)) { + checkForApplicationInstance(); } /*! |