diff options
| -rw-r--r-- | src/qml/qml/qqmldata_p.h | 14 | ||||
| -rw-r--r-- | src/qml/qml/v8/qv8qobjectwrapper.cpp | 18 | ||||
| -rw-r--r-- | tests/auto/qml/qqmlecmascript/data/deleteLaterObjectMethodCall.qml | 22 | ||||
| -rw-r--r-- | tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp | 9 |
4 files changed, 57 insertions, 6 deletions
diff --git a/src/qml/qml/qqmldata_p.h b/src/qml/qml/qqmldata_p.h index e7e001c4f2..3dd1c3ccba 100644 --- a/src/qml/qml/qqmldata_p.h +++ b/src/qml/qml/qqmldata_p.h @@ -181,11 +181,25 @@ public: QQmlNotifier *objectNameNotifier() const; QHash<int, QObject *> *attachedProperties() const; + static inline bool wasDeleted(QObject *); private: // For objectNameNotifier and attachedProperties mutable QQmlDataExtended *extendedData; }; +bool QQmlData::wasDeleted(QObject *object) +{ + if (!object) + return true; + + QObjectPrivate *priv = QObjectPrivate::get(const_cast<QObject *>(object)); + if (priv->wasDeleted) + return true; + + return priv->declarativeData && + static_cast<QQmlData *>(priv->declarativeData)->isQueuedForDeletion; +} + QQmlNotifierEndpoint *QQmlData::notify(int index) { Q_ASSERT(index <= 0xFFFF); diff --git a/src/qml/qml/v8/qv8qobjectwrapper.cpp b/src/qml/qml/v8/qv8qobjectwrapper.cpp index 3faea2c97b..d31121803e 100644 --- a/src/qml/qml/v8/qv8qobjectwrapper.cpp +++ b/src/qml/qml/v8/qv8qobjectwrapper.cpp @@ -269,7 +269,7 @@ static v8::Handle<v8::Value> GenericValueGetter(v8::Local<v8::String>, const v8: QV8QObjectResource *resource = v8_resource_check<QV8QObjectResource>(This); QObject *object = resource->object; - if (!object) return v8::Undefined(); + if (QQmlData::wasDeleted(object)) return v8::Undefined(); QQmlPropertyData *property = (QQmlPropertyData *)v8::External::Unwrap(info.Data()); @@ -476,6 +476,7 @@ v8::Handle<v8::Value> QV8QObjectWrapper::GetProperty(QV8Engine *engine, QObject objectHandle?*objectHandle:engine->newQObject(object), v8::Integer::New(index) }; + Q_ASSERT(argv[0]->IsObject()); return engine->qobjectWrapper()->m_methodConstructor->Call(engine->global(), 2, argv); } static v8::Handle<v8::Value> createWithGlobal(QV8Engine *engine, QObject *object, @@ -486,10 +487,14 @@ v8::Handle<v8::Value> QV8QObjectWrapper::GetProperty(QV8Engine *engine, QObject v8::Integer::New(index), v8::Context::GetCallingQmlGlobal() }; + Q_ASSERT(argv[0]->IsObject()); return engine->qobjectWrapper()->m_methodConstructor->Call(engine->global(), 3, argv); } }; + if (QQmlData::wasDeleted(object)) + return v8::Handle<v8::Value>(); + { // Comparing the hash first actually makes a measurable difference here, at least on x86 quint32 hash = property.hash(); @@ -665,6 +670,9 @@ bool QV8QObjectWrapper::SetProperty(QV8Engine *engine, QObject *object, const QH engine->qobjectWrapper()->m_destroyString == property) return true; + if (QQmlData::wasDeleted(object)) + return false; + QQmlPropertyData local; QQmlPropertyData *result = 0; result = QQmlPropertyCache::property(engine->engine(), object, property, local); @@ -695,7 +703,7 @@ v8::Handle<v8::Value> QV8QObjectWrapper::Getter(v8::Local<v8::String> property, { QV8QObjectResource *resource = v8_resource_check<QV8QObjectResource>(info.This()); - if (resource->object.isNull()) + if (QQmlData::wasDeleted(resource->object)) return v8::Handle<v8::Value>(); QObject *object = resource->object; @@ -739,7 +747,7 @@ v8::Handle<v8::Value> QV8QObjectWrapper::Setter(v8::Local<v8::String> property, { QV8QObjectResource *resource = v8_resource_check<QV8QObjectResource>(info.This()); - if (resource->object.isNull()) + if (QQmlData::wasDeleted(resource->object)) return value; QObject *object = resource->object; @@ -833,7 +841,7 @@ static void FastValueSetter(v8::Local<v8::String>, v8::Local<v8::Value> value, { QV8QObjectResource *resource = v8_resource_check<QV8QObjectResource>(info.This()); - if (resource->object.isNull()) + if (QQmlData::wasDeleted(resource->object)) return; QObject *object = resource->object; @@ -860,7 +868,7 @@ static void FastValueSetterReadOnly(v8::Local<v8::String> property, v8::Local<v8 { QV8QObjectResource *resource = v8_resource_check<QV8QObjectResource>(info.This()); - if (resource->object.isNull()) + if (QQmlData::wasDeleted(resource->object)) return; QV8Engine *v8engine = resource->engine; diff --git a/tests/auto/qml/qqmlecmascript/data/deleteLaterObjectMethodCall.qml b/tests/auto/qml/qqmlecmascript/data/deleteLaterObjectMethodCall.qml new file mode 100644 index 0000000000..d1418e57a1 --- /dev/null +++ b/tests/auto/qml/qqmlecmascript/data/deleteLaterObjectMethodCall.qml @@ -0,0 +1,22 @@ +import QtQuick 2.0 +import Qt.test 1.0 + +QtObject { + property var fn + + property var c: Component { + MyQmlObject { + function go() { + try { methodNoArgs(); } catch(e) { } + } + } + } + + Component.onCompleted: { + var f = c.createObject().go; + + gc(); + + f(); + } +} diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp index 5842ab057e..ee9c7ee89d 100644 --- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp +++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp @@ -246,7 +246,7 @@ private slots: void invokableWithQObjectDerived(); void realTypePrecision(); void registeredFlagMethod(); - + void deleteLaterObjectMethodCall(); void automaticSemicolon(); void unaryExpression(); void switchStatement(); @@ -6001,6 +6001,13 @@ void tst_qqmlecmascript::dynamicString() QString::fromLatin1("string:Hello World false:0 true:1 uint32:100 int32:-100 double:3.14159 date:2011-02-11 05::30:50!")); } +void tst_qqmlecmascript::deleteLaterObjectMethodCall() +{ + QQmlComponent component(&engine, testFileUrl("deleteLaterObjectMethodCall.qml")); + QObject *object = component.create(); + QVERIFY(object != 0); +} + void tst_qqmlecmascript::automaticSemicolon() { QQmlComponent component(&engine, testFileUrl("automaticSemicolon.qml")); |