void QDeclarativeVME::runDeferred(QObject *object)
{
QDeclarativeData *data = QDeclarativeData::get(object);
if (!data || !data->context || !data->deferredComponent)
return;
QDeclarativeContextData *ctxt = data->context;
QDeclarativeCompiledData *comp = data->deferredComponent;
int start = data->deferredIdx + 1;
int count = data->deferredComponent->bytecode.at(data->deferredIdx).defer.deferCount;
QDeclarativeVMEStack<QObject *> stack;
stack.push(object);
run(stack, ctxt, comp, start, count, QBitField());
}
QObject *QDeclarativeVME::run(QDeclarativeVMEObjectStack &stack,
QDeclarativeContextData *ctxt,
QDeclarativeCompiledData *comp,
int start, int count,
const QBitField &bindingSkipList)
{
Q_ASSERT(comp);
Q_ASSERT(ctxt);
const QList<QDeclarativeCompiledData::TypeReference> &types = comp->types;
const QList<QString> &primitives = comp->primitives;
const QList<QByteArray> &datas = comp->datas;
const QList<QDeclarativeCompiledData::CustomTypeData> &customTypeData = comp->customTypeData;
const QList<int> &intData = comp->intData;
const QList<float> &floatData = comp->floatData;
const QList<QDeclarativePropertyCache *> &propertyCaches = comp->propertyCaches;
const QList<QDeclarativeParser::Object::ScriptBlock> &scripts = comp->scripts;
const QList<QUrl> &urls = comp->urls;
QDeclarativeEnginePrivate::SimpleList<QDeclarativeAbstractBinding> bindValues;
QDeclarativeEnginePrivate::SimpleList<QDeclarativeParserStatus> parserStatus;
QDeclarativeVMEStack<ListInstance> qliststack;
vmeErrors.clear();
QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(ctxt->engine);
int status = -1; //for dbus
QDeclarativePropertyPrivate::WriteFlags flags = QDeclarativePropertyPrivate::BypassInterceptor |
QDeclarativePropertyPrivate::RemoveBindingOnAliasWrite;
for (int ii = start; !isError() && ii < (start + count); ++ii) {
const QDeclarativeInstruction &instr = comp->bytecode.at(ii);
switch(instr.type) {
case QDeclarativeInstruction::Init:
{
if (instr.init.bindingsSize)
bindValues = QDeclarativeEnginePrivate::SimpleList<QDeclarativeAbstractBinding>(instr.init.bindingsSize);
if (instr.init.parserStatusSize)
parserStatus = QDeclarativeEnginePrivate::SimpleList<QDeclarativeParserStatus>(instr.init.parserStatusSize);
if (instr.init.contextCache != -1)
ctxt->setIdPropertyData(comp->contextCaches.at(instr.init.contextCache));
if (instr.init.compiledBinding != -1)
ctxt->optimizedBindings = new QDeclarativeCompiledBindings(datas.at(instr.init.compiledBinding).constData(), ctxt, comp);
}
break;
case QDeclarativeInstruction::CreateObject:
{
QBitField bindings;
if (instr.create.bindingBits != -1) {
const QByteArray &bits = datas.at(instr.create.bindingBits);
bindings = QBitField((const quint32*)bits.constData(),
bits.size() * 8);
}
if (stack.isEmpty())
bindings = bindings.united(bindingSkipList);
QObject *o =
types.at(instr.create.type).createInstance(ctxt, bindings, &vmeErrors);
if (!o) {
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Unable to create object of type %1").arg(QString::fromLatin1(types.at(instr.create.type).className)));
}
QDeclarativeData *ddata = QDeclarativeData::get(o);
Q_ASSERT(ddata);
if (stack.isEmpty()) {
if (ddata->context) {
Q_ASSERT(ddata->context != ctxt);
Q_ASSERT(ddata->outerContext);
Q_ASSERT(ddata->outerContext != ctxt);
QDeclarativeContextData *c = ddata->context;
while (c->linkedContext) c = c->linkedContext;
c->linkedContext = ctxt;
} else {
ctxt->addObject(o);
}
ddata->ownContext = true;
} else if (!ddata->context) {
ctxt->addObject(o);
}
ddata->setImplicitDestructible();
ddata->outerContext = ctxt;
ddata->lineNumber = instr.line;
ddata->columnNumber = instr.create.column;
if (instr.create.data != -1) {
QDeclarativeCustomParser *customParser =
types.at(instr.create.type).type->customParser();
customParser->setCustomData(o, datas.at(instr.create.data));
}
if (!stack.isEmpty()) {
QObject *parent = stack.top();
if (o->isWidgetType()) {
QWidget *widget = static_cast<QWidget*>(o);
if (parent->isWidgetType()) {
QWidget *parentWidget = static_cast<QWidget*>(parent);
widget->setParent(parentWidget);
} else {
// TODO: parent might be a layout
}
} else {
QDeclarative_setParent_noEvent(o, parent);
}
}
stack.push(o);
}
break;
case QDeclarativeInstruction::CreateSimpleObject:
{
QObject *o = (QObject *)operator new(instr.createSimple.typeSize +
sizeof(QDeclarativeData));
::memset(static_cast<void *>(o), 0, instr.createSimple.typeSize + sizeof(QDeclarativeData));
instr.createSimple.create(o);
QDeclarativeData *ddata = (QDeclarativeData *)(((const char *)o) + instr.createSimple.typeSize);
const QDeclarativeCompiledData::TypeReference &ref = types.at(instr.createSimple.type);
if (!ddata->propertyCache && ref.typePropertyCache) {
ddata->propertyCache = ref.typePropertyCache;
ddata->propertyCache->addref();
}
ddata->lineNumber = instr.line;
ddata->columnNumber = instr.createSimple.column;
QObjectPrivate::get(o)->declarativeData = ddata;
ddata->context = ddata->outerContext = ctxt;
ddata->nextContextObject = ctxt->contextObjects;
if (ddata->nextContextObject)
ddata->nextContextObject->prevContextObject = &ddata->nextContextObject;
ddata->prevContextObject = &ctxt->contextObjects;
ctxt->contextObjects = ddata;
QObject *parent = stack.top();
QDeclarative_setParent_noEvent(o, parent);
stack.push(o);
}
break;
case QDeclarativeInstruction::SetId:
{
QObject *target = stack.top();
ctxt->setIdProperty(instr.setId.index, target);
}
break;
case QDeclarativeInstruction::SetDefault:
{
ctxt->contextObject = stack.top();
}
break;
case QDeclarativeInstruction::CreateComponent:
{
QDeclarativeComponent *qcomp =
new QDeclarativeComponent(ctxt->engine, comp, ii + 1, instr.createComponent.count,
stack.isEmpty() ? 0 : stack.top());
QDeclarativeData *ddata = QDeclarativeData::get(qcomp, true);
Q_ASSERT(ddata);
ctxt->addObject(qcomp);
if (stack.isEmpty())
ddata->ownContext = true;
ddata->setImplicitDestructible();
ddata->outerContext = ctxt;
ddata->lineNumber = instr.line;
ddata->columnNumber = instr.create.column;
QDeclarativeComponentPrivate::get(qcomp)->creationContext = ctxt;
stack.push(qcomp);
ii += instr.createComponent.count;
}
break;
case QDeclarativeInstruction::StoreMetaObject:
{
QObject *target = stack.top();
QMetaObject mo;
const QByteArray &metadata = datas.at(instr.storeMeta.data);
QMetaObjectBuilder::fromRelocatableData(&mo, 0, metadata);
const QDeclarativeVMEMetaData *data =
(const QDeclarativeVMEMetaData *)datas.at(instr.storeMeta.aliasData).constData();
(void)new QDeclarativeVMEMetaObject(target, &mo, data, comp);
if (instr.storeMeta.propertyCache != -1) {
QDeclarativeData *ddata = QDeclarativeData::get(target, true);
if (ddata->propertyCache) ddata->propertyCache->release();
ddata->propertyCache = propertyCaches.at(instr.storeMeta.propertyCache);
ddata->propertyCache->addref();
}
}
break;
case QDeclarativeInstruction::StoreVariant:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
// XXX - can be more efficient
QVariant v = QDeclarativeStringConverters::variantFromString(primitives.at(instr.storeString.value));
void *a[] = { &v, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeString.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreVariantInteger:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
QVariant v(instr.storeInteger.value);
void *a[] = { &v, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeString.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreVariantDouble:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
QVariant v(instr.storeDouble.value);
void *a[] = { &v, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeString.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreVariantBool:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
QVariant v(instr.storeBool.value);
void *a[] = { &v, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeString.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreString:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
void *a[] = { (void *)&primitives.at(instr.storeString.value), 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeString.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreUrl:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeUrl.propertyIndex);
void *a[] = { (void *)&urls.at(instr.storeUrl.value), 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeUrl.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreFloat:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeFloat.propertyIndex);
float f = instr.storeFloat.value;
void *a[] = { &f, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeFloat.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreDouble:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeDouble.propertyIndex);
double d = instr.storeDouble.value;
void *a[] = { &d, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeDouble.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreBool:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeBool.propertyIndex);
void *a[] = { (void *)&instr.storeBool.value, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeBool.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreInteger:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeInteger.propertyIndex);
void *a[] = { (void *)&instr.storeInteger.value, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeInteger.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreColor:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeColor.propertyIndex);
QColor c = QColor::fromRgba(instr.storeColor.value);
void *a[] = { &c, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeColor.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreDate:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeDate.propertyIndex);
QDate d = QDate::fromJulianDay(instr.storeDate.value);
void *a[] = { &d, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeDate.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreTime:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeTime.propertyIndex);
QTime t;
t.setHMS(intData.at(instr.storeTime.valueIndex),
intData.at(instr.storeTime.valueIndex+1),
intData.at(instr.storeTime.valueIndex+2),
intData.at(instr.storeTime.valueIndex+3));
void *a[] = { &t, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeTime.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreDateTime:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeDateTime.propertyIndex);
QTime t;
t.setHMS(intData.at(instr.storeDateTime.valueIndex+1),
intData.at(instr.storeDateTime.valueIndex+2),
intData.at(instr.storeDateTime.valueIndex+3),
intData.at(instr.storeDateTime.valueIndex+4));
QDateTime dt(QDate::fromJulianDay(intData.at(instr.storeDateTime.valueIndex)), t);
void *a[] = { &dt, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeDateTime.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StorePoint:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
QPoint p = QPointF(floatData.at(instr.storeRealPair.valueIndex),
floatData.at(instr.storeRealPair.valueIndex+1)).toPoint();
void *a[] = { &p, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeRealPair.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StorePointF:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
QPointF p(floatData.at(instr.storeRealPair.valueIndex),
floatData.at(instr.storeRealPair.valueIndex+1));
void *a[] = { &p, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeRealPair.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreSize:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
QSize p = QSizeF(floatData.at(instr.storeRealPair.valueIndex),
floatData.at(instr.storeRealPair.valueIndex+1)).toSize();
void *a[] = { &p, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeRealPair.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreSizeF:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
QSizeF s(floatData.at(instr.storeRealPair.valueIndex),
floatData.at(instr.storeRealPair.valueIndex+1));
void *a[] = { &s, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeRealPair.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreRect:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeRect.propertyIndex);
QRect r = QRectF(floatData.at(instr.storeRect.valueIndex),
floatData.at(instr.storeRect.valueIndex+1),
floatData.at(instr.storeRect.valueIndex+2),
floatData.at(instr.storeRect.valueIndex+3)).toRect();
void *a[] = { &r, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeRect.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreRectF:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeRect.propertyIndex);
QRectF r(floatData.at(instr.storeRect.valueIndex),
floatData.at(instr.storeRect.valueIndex+1),
floatData.at(instr.storeRect.valueIndex+2),
floatData.at(instr.storeRect.valueIndex+3));
void *a[] = { &r, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeRect.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreVector3D:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeVector3D.propertyIndex);
QVector3D p(floatData.at(instr.storeVector3D.valueIndex),
floatData.at(instr.storeVector3D.valueIndex+1),
floatData.at(instr.storeVector3D.valueIndex+2));
void *a[] = { &p, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeVector3D.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreObject:
{
QObject *assignObj = stack.pop();
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeObject.propertyIndex);
void *a[] = { (void *)&assignObj, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeObject.propertyIndex, a);
}
break;
case QDeclarativeInstruction::AssignCustomType:
{
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.assignCustomType.propertyIndex);
QDeclarativeCompiledData::CustomTypeData data = customTypeData.at(instr.assignCustomType.valueIndex);
const QString &primitive = primitives.at(data.index);
QDeclarativeMetaType::StringConverter converter =
QDeclarativeMetaType::customStringConverter(data.type);
QVariant v = (*converter)(primitive);
QMetaProperty prop =
target->metaObject()->property(instr.assignCustomType.propertyIndex);
if (v.isNull() || ((int)prop.type() != data.type && prop.userType() != data.type))
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot assign value %1 to property %2").arg(primitive).arg(QString::fromUtf8(prop.name())));
void *a[] = { (void *)v.data(), 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.assignCustomType.propertyIndex, a);
}
break;
case QDeclarativeInstruction::AssignSignalObject:
{
// XXX optimize
QObject *assign = stack.pop();
QObject *target = stack.top();
int sigIdx = instr.assignSignalObject.signal;
const QByteArray &pr = datas.at(sigIdx);
QDeclarativeProperty prop(target, QString::fromUtf8(pr));
if (prop.type() & QDeclarativeProperty::SignalProperty) {
QMetaMethod method = QDeclarativeMetaType::defaultMethod(assign);
if (method.signature() == 0)
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot assign object type %1 with no default method").arg(QString::fromLatin1(assign->metaObject()->className())));
if (!QMetaObject::checkConnectArgs(prop.method().signature(), method.signature()))
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot connect mismatched signal/slot %1 %vs. %2").arg(QString::fromLatin1(method.signature())).arg(QString::fromLatin1(prop.method().signature())));
QDeclarativePropertyPrivate::connect(target, prop.index(), assign, method.methodIndex());
} else {
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot assign an object to signal property %1").arg(QString::fromUtf8(pr)));
}
}
break;
case QDeclarativeInstruction::StoreSignal:
{
QObject *target = stack.top();
QObject *context = stack.at(stack.count() - 1 - instr.storeSignal.context);
QMetaMethod signal = target->metaObject()->method(instr.storeSignal.signalIndex);
QDeclarativeBoundSignal *bs = new QDeclarativeBoundSignal(target, signal, target);
QDeclarativeExpression *expr =
new QDeclarativeExpression(ctxt, context, primitives.at(instr.storeSignal.value));
expr->setSourceLocation(comp->name, instr.line);
static_cast<QDeclarativeExpressionPrivate *>(QObjectPrivate::get(expr))->name = datas.at(instr.storeSignal.name);
bs->setExpression(expr);
}
break;
case QDeclarativeInstruction::StoreImportedScript:
{
ctxt->addImportedScript(scripts.at(instr.storeScript.value));
}
break;
case QDeclarativeInstruction::StoreScriptString:
{
QObject *target = stack.top();
QObject *scope = stack.at(stack.count() - 1 - instr.storeScriptString.scope);
QDeclarativeScriptString ss;
ss.setContext(ctxt->asQDeclarativeContext());
ss.setScopeObject(scope);
ss.setScript(primitives.at(instr.storeScriptString.value));
void *a[] = { &ss, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeScriptString.propertyIndex, a);
}
break;
case QDeclarativeInstruction::BeginObject:
{
QObject *target = stack.top();
QDeclarativeParserStatus *status = reinterpret_cast<QDeclarativeParserStatus *>(reinterpret_cast<char *>(target) + instr.begin.castValue);
parserStatus.append(status);
status->d = &parserStatus.values[parserStatus.count - 1];
status->classBegin();
}
break;
case QDeclarativeInstruction::StoreBinding:
case QDeclarativeInstruction::StoreBindingOnAlias:
{
QObject *target =
stack.at(stack.count() - 1 - instr.assignBinding.owner);
QObject *context =
stack.at(stack.count() - 1 - instr.assignBinding.context);
QDeclarativeProperty mp =
QDeclarativePropertyPrivate::restore(datas.at(instr.assignBinding.property), target, ctxt);
int coreIndex = mp.index();
if ((stack.count() - instr.assignBinding.owner) == 1 && bindingSkipList.testBit(coreIndex))
break;
QDeclarativeBinding *bind = new QDeclarativeBinding((void *)datas.at(instr.assignBinding.value).constData(), comp, context, ctxt, comp->name, instr.line, 0);
bindValues.append(bind);
bind->m_mePtr = &bindValues.values[bindValues.count - 1];
bind->setTarget(mp);
if (instr.type == QDeclarativeInstruction::StoreBindingOnAlias) {
QDeclarativeAbstractBinding *old = QDeclarativePropertyPrivate::setBindingNoEnable(target, coreIndex, QDeclarativePropertyPrivate::valueTypeCoreIndex(mp), bind);
if (old) { old->destroy(); }
} else {
bind->addToObject(target, QDeclarativePropertyPrivate::bindingIndex(mp));
}
}
break;
case QDeclarativeInstruction::StoreCompiledBinding:
{
QObject *target =
stack.at(stack.count() - 1 - instr.assignBinding.owner);
QObject *scope =
stack.at(stack.count() - 1 - instr.assignBinding.context);
int property = instr.assignBinding.property;
if (stack.count() == 1 && bindingSkipList.testBit(property & 0xFFFF))
break;
QDeclarativeAbstractBinding *binding =
ctxt->optimizedBindings->configBinding(instr.assignBinding.value, target, scope, property);
bindValues.append(binding);
binding->m_mePtr = &bindValues.values[bindValues.count - 1];
binding->addToObject(target, property);
}
break;
case QDeclarativeInstruction::StoreValueSource:
{
QObject *obj = stack.pop();
QDeclarativePropertyValueSource *vs = reinterpret_cast<QDeclarativePropertyValueSource *>(reinterpret_cast<char *>(obj) + instr.assignValueSource.castValue);
QObject *target = stack.at(stack.count() - 1 - instr.assignValueSource.owner);
QDeclarativeProperty prop =
QDeclarativePropertyPrivate::restore(datas.at(instr.assignValueSource.property), target, ctxt);
obj->setParent(target);
vs->setTarget(prop);
}
break;
case QDeclarativeInstruction::StoreValueInterceptor:
{
QObject *obj = stack.pop();
QDeclarativePropertyValueInterceptor *vi = reinterpret_cast<QDeclarativePropertyValueInterceptor *>(reinterpret_cast<char *>(obj) + instr.assignValueInterceptor.castValue);
QObject *target = stack.at(stack.count() - 1 - instr.assignValueInterceptor.owner);
QDeclarativeProperty prop =
QDeclarativePropertyPrivate::restore(datas.at(instr.assignValueInterceptor.property), target, ctxt);
obj->setParent(target);
vi->setTarget(prop);
QDeclarativeVMEMetaObject *mo = static_cast<QDeclarativeVMEMetaObject *>((QMetaObject*)target->metaObject());
mo->registerInterceptor(prop.index(), QDeclarativePropertyPrivate::valueTypeCoreIndex(prop), vi);
}
break;
case QDeclarativeInstruction::StoreObjectQList:
{
QObject *assign = stack.pop();
const ListInstance &list = qliststack.top();
list.qListProperty.append((QDeclarativeListProperty<void>*)&list.qListProperty, assign);
}
break;
case QDeclarativeInstruction::AssignObjectList:
{
// This is only used for assigning interfaces
QObject *assign = stack.pop();
const ListInstance &list = qliststack.top();
int type = list.type;
void *ptr = 0;
const char *iid = QDeclarativeMetaType::interfaceIId(type);
if (iid)
ptr = assign->qt_metacast(iid);
if (!ptr)
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot assign object to list"));
list.qListProperty.append((QDeclarativeListProperty<void>*)&list.qListProperty, ptr);
}
break;
case QDeclarativeInstruction::StoreVariantObject:
{
QObject *assign = stack.pop();
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeObject.propertyIndex);
QVariant v = QVariant::fromValue(assign);
void *a[] = { &v, 0, &status, &flags };
QMetaObject::metacall(target, QMetaObject::WriteProperty,
instr.storeObject.propertyIndex, a);
}
break;
case QDeclarativeInstruction::StoreInterface:
{
QObject *assign = stack.pop();
QObject *target = stack.top();
CLEAN_PROPERTY(target, instr.storeObject.propertyIndex);
int coreIdx = instr.storeObject.propertyIndex;
QMetaProperty prop = target->metaObject()->property(coreIdx);
int t = prop.userType();
const char *iid = QDeclarativeMetaType::interfaceIId(t);
bool ok = false;
if (iid) {
void *ptr = assign->qt_metacast(iid);
if (ptr) {
void *a[] = { &ptr, 0, &status, &flags };
QMetaObject::metacall(target,
QMetaObject::WriteProperty,
coreIdx, a);
ok = true;
}
}
if (!ok)
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot assign object to interface property"));
}
break;
case QDeclarativeInstruction::FetchAttached:
{
QObject *target = stack.top();
QObject *qmlObject = qmlAttachedPropertiesObjectById(instr.fetchAttached.id, target);
if (!qmlObject)
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Unable to create attached object"));
stack.push(qmlObject);
}
break;
case QDeclarativeInstruction::FetchQList:
{
QObject *target = stack.top();
qliststack.push(ListInstance(instr.fetchQmlList.type));
void *a[1];
a[0] = (void *)&(qliststack.top().qListProperty);
QMetaObject::metacall(target, QMetaObject::ReadProperty,
instr.fetchQmlList.property, a);
}
break;
case QDeclarativeInstruction::FetchObject:
{
QObject *target = stack.top();
QObject *obj = 0;
// NOTE: This assumes a cast to QObject does not alter the
// object pointer
void *a[1];
a[0] = &obj;
QMetaObject::metacall(target, QMetaObject::ReadProperty,
instr.fetch.property, a);
if (!obj)
VME_EXCEPTION(QCoreApplication::translate("QDeclarativeVME","Cannot set properties on %1 as it is null").arg(QString::fromUtf8(target->metaObject()->property(instr.fetch.property).name())));
stack.push(obj);
}
break;
case QDeclarativeInstruction::PopQList:
{
qliststack.pop();
}
break;
case QDeclarativeInstruction::Defer:
{
if (instr.defer.deferCount) {
QObject *target = stack.top();
QDeclarativeData *data =
QDeclarativeData::get(target, true);
comp->addref();
data->deferredComponent = comp;
data->deferredIdx = ii;
ii += instr.defer.deferCount;
}
}
break;
case QDeclarativeInstruction::PopFetchedObject:
{
stack.pop();
}
break;
case QDeclarativeInstruction::FetchValueType:
{
QObject *target = stack.top();
if (instr.fetchValue.bindingSkipList != 0) {
// Possibly need to clear bindings
QDeclarativeData *targetData = QDeclarativeData::get(target);
if (targetData) {
QDeclarativeAbstractBinding *binding =
QDeclarativePropertyPrivate::binding(target, instr.fetchValue.property, -1);
if (binding && binding->bindingType() != QDeclarativeAbstractBinding::ValueTypeProxy) {
QDeclarativePropertyPrivate::setBinding(target, instr.fetchValue.property, -1, 0);
binding->destroy();
} else if (binding) {
QDeclarativeValueTypeProxyBinding *proxy =
static_cast<QDeclarativeValueTypeProxyBinding *>(binding);
proxy->removeBindings(instr.fetchValue.bindingSkipList);
}
}
}
QDeclarativeValueType *valueHandler = ep->valueTypes[instr.fetchValue.type];
valueHandler->read(target, instr.fetchValue.property);
stack.push(valueHandler);
}
break;
case QDeclarativeInstruction::PopValueType:
{
QDeclarativeValueType *valueHandler =
static_cast<QDeclarativeValueType *>(stack.pop());
QObject *target = stack.top();
valueHandler->write(target, instr.fetchValue.property,
QDeclarativePropertyPrivate::BypassInterceptor);
}
break;
default:
qFatal("QDeclarativeCompiledData: Internal error - unknown instruction %d", instr.type);
break;
}
}
if (isError()) {
if (!stack.isEmpty()) {
delete stack.at(0); // ### What about failures in deferred creation?
} else {
ctxt->destroy();
}
QDeclarativeEnginePrivate::clear(bindValues);
QDeclarativeEnginePrivate::clear(parserStatus);
return 0;
}
if (bindValues.count)
ep->bindValues << bindValues;
else if (bindValues.values)
bindValues.clear();
if (parserStatus.count)
ep->parserStatus << parserStatus;
else if (parserStatus.values)
parserStatus.clear();
Q_ASSERT(stack.count() == 1);
return stack.top();
}