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-rw-r--r--src/qml/qml/qqmlvme.cpp1217
1 files changed, 0 insertions, 1217 deletions
diff --git a/src/qml/qml/qqmlvme.cpp b/src/qml/qml/qqmlvme.cpp
index 15401e269b..56befa4a3e 100644
--- a/src/qml/qml/qqmlvme.cpp
+++ b/src/qml/qml/qqmlvme.cpp
@@ -82,1192 +82,8 @@ QT_BEGIN_NAMESPACE
using namespace QQmlVMETypes;
-#define VME_EXCEPTION(desc, line) \
- { \
- QQmlError error; \
- error.setDescription(desc.trimmed()); \
- error.setLine(line); \
- error.setUrl(COMP->url); \
- *errors << error; \
- goto exceptionExit; \
- }
-
-#define VME_EXCEPTION_WITH_COLUMN(desc, line, column) \
- { \
- QQmlError error; \
- error.setDescription(desc.trimmed()); \
- error.setLine(line); \
- error.setColumn(column); \
- error.setUrl(COMP->url); \
- *errors << error; \
- goto exceptionExit; \
- }
-
bool QQmlVME::s_enableComponentComplete = true;
-void QQmlVME::init(QQmlContextData *ctxt, QQmlCompiledData *comp, int start,
- QQmlContextData *creation)
-{
- Q_ASSERT(ctxt);
- Q_ASSERT(comp);
-
- if (start == -1) {
- start = 0;
- } else {
- creationContext = creation;
- }
-
- State initState;
- initState.context = ctxt;
- initState.compiledData = comp;
- initState.instructionStream = comp->bytecode.constData() + start;
- states.push(initState);
-
- typedef QQmlInstruction I;
- I *i = (I *)initState.instructionStream;
-
- Q_ASSERT(comp->instructionType(i) == I::Init);
-
- objects.allocate(i->init.objectStackSize);
- lists.allocate(i->init.listStackSize);
- bindValues.allocate(i->init.bindingsSize);
- parserStatus.allocate(i->init.parserStatusSize);
-
-#ifdef QML_ENABLE_TRACE
- parserStatusData.allocate(i->init.parserStatusSize);
- rootComponent = comp;
-#endif
-
- rootContext = 0;
- engine = ctxt->engine;
- profiler.profiler = QQmlEnginePrivate::get(engine)->profiler;
-}
-
-bool QQmlVME::initDeferred(QObject *object)
-{
- QQmlData *data = QQmlData::get(object);
-
- if (!data || !data->deferredData)
- return false;
-
- QQmlContextData *ctxt = data->deferredData->context;
- QQmlCompiledData *comp = data->deferredData->compiledData;
- int start = data->deferredData->deferredIdx;
-
- State initState;
- initState.flags = State::Deferred;
- initState.context = ctxt;
- initState.compiledData = comp;
- initState.instructionStream = comp->bytecode.constData() + start;
- states.push(initState);
-
- typedef QQmlInstruction I;
- I *i = (I *)initState.instructionStream;
-
- Q_ASSERT(comp->instructionType(i) == I::DeferInit);
-
- objects.allocate(i->deferInit.objectStackSize);
- lists.allocate(i->deferInit.listStackSize);
- bindValues.allocate(i->deferInit.bindingsSize);
- parserStatus.allocate(i->deferInit.parserStatusSize);
-
- objects.push(object);
-
-#ifdef QML_ENABLE_TRACE
- parserStatusData.allocate(i->deferInit.parserStatusSize);
- rootComponent = comp;
-#endif
-
- rootContext = 0;
- engine = ctxt->engine;
- profiler.profiler = QQmlEnginePrivate::get(engine)->profiler;
-
- return true;
-}
-
-namespace {
-struct ActiveVMERestorer
-{
- ActiveVMERestorer(QQmlVME *me, QQmlEnginePrivate *ep)
- : ep(ep), oldVME(ep->activeVME) { ep->activeVME = me; }
- ~ActiveVMERestorer() { ep->activeVME = oldVME; }
-
- QQmlEnginePrivate *ep;
- QQmlVME *oldVME;
-};
-}
-
-QObject *QQmlVME::execute(QList<QQmlError> *errors, const QQmlInstantiationInterrupt &interrupt)
-{
- Q_ASSERT(states.count() >= 1);
-
-#ifdef QML_ENABLE_TRACE
- QQmlTrace trace("VME Execute");
- trace.addDetail("URL", rootComponent->url);
-#endif
-
- QQmlEnginePrivate *ep = QQmlEnginePrivate::get(states.at(0).context->engine);
-
- ActiveVMERestorer restore(this, ep);
-
- QObject *rv = run(errors, interrupt);
-
- return rv;
-}
-
-inline bool fastHasBinding(QObject *o, int index)
-{
- if (QQmlData *ddata = static_cast<QQmlData *>(QObjectPrivate::get(o)->declarativeData)) {
- int coreIndex = index & 0x0000FFFF;
- return ddata->hasBindingBit(coreIndex);
- }
-
- return false;
-}
-
-static void removeBindingOnProperty(QObject *o, int index)
-{
- int coreIndex = index & 0x0000FFFF;
- int valueTypeIndex = (index & 0xFFFF0000 ? index >> 16 : -1);
-
- QQmlAbstractBinding *binding = QQmlPropertyPrivate::setBinding(o, coreIndex, valueTypeIndex, 0);
- if (binding) binding->destroy();
-}
-
-static QVariant variantFromString(const QString &string)
-{
- return QQmlStringConverters::variantFromString(string);
-}
-
-static QV4::ExecutionContext *qmlBindingContext(QQmlEngine *engine, QV4::ExecutionEngine *v4, QV4::Value *qmlBindingWrappers, QQmlContextData *context, QObject *scope, int objIdx)
-{
- QV4::Scope valueScope(v4);
- QV4::Scoped<QV4::QmlBindingWrapper> wrapper(valueScope, qmlBindingWrappers[objIdx]);
- if (!wrapper) {
- QV4::ScopedObject scopeObject(valueScope, QV4::QmlContextWrapper::qmlScope(QV8Engine::get(engine), context, scope));
- wrapper = new (v4->memoryManager) QV4::QmlBindingWrapper(v4->rootContext, scopeObject);
- qmlBindingWrappers[objIdx] = wrapper;
- }
- return wrapper->context();
-}
-
-// XXX we probably need some form of "work count" here to prevent us checking this
-// for every instruction.
-#define QML_BEGIN_INSTR_COMMON(I) { \
- const QQmlInstructionMeta<(int)QQmlInstruction::I>::DataType &instr = QQmlInstructionMeta<(int)QQmlInstruction::I>::data(*genericInstr); \
- INSTRUCTIONSTREAM += QQmlInstructionMeta<(int)QQmlInstruction::I>::Size; \
- Q_UNUSED(instr);
-
-#ifdef QML_THREADED_VME_INTERPRETER
-# define QML_BEGIN_INSTR(I) op_##I: \
- QML_BEGIN_INSTR_COMMON(I)
-
-# define QML_NEXT_INSTR(I) { \
- if (watcher.hasRecursed()) return 0; \
- genericInstr = reinterpret_cast<const QQmlInstruction *>(INSTRUCTIONSTREAM); \
- goto *genericInstr->common.code; \
- }
-
-# define QML_END_INSTR(I) } \
- if (watcher.hasRecursed()) return 0; \
- genericInstr = reinterpret_cast<const QQmlInstruction *>(INSTRUCTIONSTREAM); \
- if (interrupt.shouldInterrupt()) return 0; \
- goto *genericInstr->common.code;
-
-#else
-# define QML_BEGIN_INSTR(I) \
- case QQmlInstruction::I: \
- QML_BEGIN_INSTR_COMMON(I)
-
-# define QML_NEXT_INSTR(I) { \
- if (watcher.hasRecursed()) return 0; \
- break; \
- }
-
-# define QML_END_INSTR(I) \
- if (watcher.hasRecursed() || interrupt.shouldInterrupt()) return 0; \
- } break;
-#endif
-
-#define QML_STORE_VALUE(name, cpptype, value) \
- QML_BEGIN_INSTR(name) \
- cpptype v = value; \
- void *a[] = { (void *)&v, 0, &status, &flags }; \
- QObject *target = objects.top(); \
- CLEAN_PROPERTY(target, instr.propertyIndex); \
- QMetaObject::metacall(target, QMetaObject::WriteProperty, instr.propertyIndex, a); \
- QML_END_INSTR(name)
-
-#define QML_STORE_PROVIDER_VALUE(name, type, value) \
- QML_BEGIN_INSTR(name) \
- struct { void *data[4]; } buffer; \
- if (QQml_valueTypeProvider()->storeValueType(type, &value, &buffer, sizeof(buffer))) { \
- void *a[] = { reinterpret_cast<void *>(&buffer), 0, &status, &flags }; \
- QObject *target = objects.top(); \
- CLEAN_PROPERTY(target, instr.propertyIndex); \
- QMetaObject::metacall(target, QMetaObject::WriteProperty, instr.propertyIndex, a); \
- } \
- QML_END_INSTR(name)
-
-#define QML_STORE_LIST(name, cpptype, value) \
- QML_BEGIN_INSTR(name) \
- cpptype v; \
- v.append(value); \
- void *a[] = { (void *)&v, 0, &status, &flags }; \
- QObject *target = objects.top(); \
- CLEAN_PROPERTY(target, instr.propertyIndex); \
- QMetaObject::metacall(target, QMetaObject::WriteProperty, instr.propertyIndex, a); \
- QML_END_INSTR(name)
-
-#define QML_STORE_VAR(name, value) \
- QML_BEGIN_INSTR(name) \
- tmpValue = (value); \
- QV4::ValueRef valueref(tmpValue); \
- QObject *target = objects.top(); \
- CLEAN_PROPERTY(target, instr.propertyIndex); \
- QQmlVMEMetaObject *vmemo = QQmlVMEMetaObject::get(target); \
- Q_ASSERT(vmemo); \
- vmemo->setVMEProperty(instr.propertyIndex, valueref); \
- QML_END_INSTR(name)
-
-#define QML_STORE_POINTER(name, value) \
- QML_BEGIN_INSTR(name) \
- void *a[] = { (void *)value, 0, &status, &flags }; \
- QObject *target = objects.top(); \
- CLEAN_PROPERTY(target, instr.propertyIndex); \
- QMetaObject::metacall(target, QMetaObject::WriteProperty, instr.propertyIndex, a); \
- QML_END_INSTR(name)
-
-#define CLEAN_PROPERTY(o, index) \
- if (fastHasBinding(o, index)) \
- removeBindingOnProperty(o, index)
-
-QObject *QQmlVME::run(QList<QQmlError> *errors,
- const QQmlInstantiationInterrupt &interrupt
-#ifdef QML_THREADED_VME_INTERPRETER
- , void * const **storeJumpTable
-#endif
- )
-{
-#ifdef QML_THREADED_VME_INTERPRETER
- if (storeJumpTable) {
-#define QML_INSTR_ADDR(I, FMT) &&op_##I,
- static void *const jumpTable[] = {
- FOR_EACH_QML_INSTR(QML_INSTR_ADDR)
- };
-#undef QML_INSTR_ADDR
- *storeJumpTable = jumpTable;
- return 0;
- }
-#endif
- Q_ASSERT(errors->isEmpty());
- Q_ASSERT(states.count() >= 1);
-
- QQmlEngine *engine = states.at(0).context->engine;
- QQmlEnginePrivate *ep = QQmlEnginePrivate::get(engine);
- QV4::ExecutionEngine *v4 = ep->v4engine();
- QV4::Scope valueScope(v4);
- QV4::ScopedValue tmpValue(valueScope);
- QV4::Value *qmlBindingWrappers = valueScope.alloc(objects.capacity());
- std::fill(qmlBindingWrappers, qmlBindingWrappers + objects.capacity(), QV4::Primitive::undefinedValue());
-
- int status = -1; // needed for dbus
- QQmlPropertyPrivate::WriteFlags flags = QQmlPropertyPrivate::BypassInterceptor |
- QQmlPropertyPrivate::RemoveBindingOnAliasWrite;
-
- QRecursionWatcher<QQmlVME, &QQmlVME::recursion> watcher(this);
-
-#define COMP states.top().compiledData
-#define CTXT states.top().context
-#define INSTRUCTIONSTREAM states.top().instructionStream
-#define BINDINGSKIPLIST states.top().bindingSkipList
-
-#define TYPES COMP->types
-#define PRIMITIVES COMP->primitives
-#define DATAS COMP->datas
-#define PROGRAMS COMP->programs
-#define PROPERTYCACHES COMP->propertyCaches
-#define SCRIPTS COMP->scripts
-#define URLS COMP->urls
-
-#ifdef QML_THREADED_VME_INTERPRETER
- const QQmlInstruction *genericInstr = reinterpret_cast<const QQmlInstruction *>(INSTRUCTIONSTREAM);
- goto *genericInstr->common.code;
-#else
- for (;;) {
- const QQmlInstruction *genericInstr = reinterpret_cast<const QQmlInstruction *>(INSTRUCTIONSTREAM);
-
- switch (genericInstr->common.instructionType) {
-#endif
-
- // Store a created object in a property. These all pop from the objects stack.
- QML_STORE_VALUE(StoreObject, QObject *, objects.pop());
- QML_STORE_VALUE(StoreVariantObject, QVariant, QVariant::fromValue(objects.pop()));
- QML_STORE_VAR(StoreVarObject, QV4::QObjectWrapper::wrap(ep->v4engine(), objects.pop()));
-
- // Store a literal value in a corresponding property
- QML_STORE_VALUE(StoreFloat, float, instr.value);
- QML_STORE_VALUE(StoreDouble, double, instr.value);
- QML_STORE_VALUE(StoreBool, bool, instr.value);
- QML_STORE_VALUE(StoreInteger, int, instr.value);
- QML_STORE_PROVIDER_VALUE(StoreColor, QMetaType::QColor, instr.value);
- QML_STORE_VALUE(StoreDate, QDate, QDate::fromJulianDay(instr.value));
- QML_STORE_VALUE(StoreDateTime, QDateTime,
- QDateTime(QDate::fromJulianDay(instr.date), QTime::fromMSecsSinceStartOfDay(instr.time)));
- QML_STORE_VALUE(StoreTime, QTime, QTime::fromMSecsSinceStartOfDay(instr.time));
- QML_STORE_POINTER(StorePoint, (QPoint *)&instr.point);
- QML_STORE_POINTER(StorePointF, (QPointF *)&instr.point);
- QML_STORE_POINTER(StoreSize, (QSize *)&instr.size);
- QML_STORE_POINTER(StoreSizeF, (QSizeF *)&instr.size);
- QML_STORE_POINTER(StoreRect, (QRect *)&instr.rect);
- QML_STORE_POINTER(StoreRectF, (QRectF *)&instr.rect);
- QML_STORE_PROVIDER_VALUE(StoreVector3D, QMetaType::QVector3D, instr.vector);
- QML_STORE_PROVIDER_VALUE(StoreVector4D, QMetaType::QVector4D, instr.vector);
- QML_STORE_POINTER(StoreString, &PRIMITIVES.at(instr.value));
- QML_STORE_POINTER(StoreByteArray, &DATAS.at(instr.value));
- QML_STORE_POINTER(StoreUrl, &URLS.at(instr.value));
-#ifndef QT_NO_TRANSLATION
- QML_STORE_VALUE(StoreTrString, QString,
- QCoreApplication::translate(DATAS.at(instr.context).constData(),
- DATAS.at(instr.text).constData(),
- DATAS.at(instr.comment).constData(),
- instr.n));
- QML_STORE_VALUE(StoreTrIdString, QString, qtTrId(DATAS.at(instr.text).constData(), instr.n));
-#endif
-
- // Store a literal value in a QList
- QML_STORE_LIST(StoreStringList, QStringList, PRIMITIVES.at(instr.value));
- QML_STORE_LIST(StoreStringQList, QList<QString>, PRIMITIVES.at(instr.value));
- QML_STORE_LIST(StoreUrlQList, QList<QUrl>, URLS.at(instr.value));
- QML_STORE_LIST(StoreDoubleQList, QList<double>, instr.value);
- QML_STORE_LIST(StoreBoolQList, QList<bool>, instr.value);
- QML_STORE_LIST(StoreIntegerQList, QList<int>, instr.value);
-
- // Store a literal value in a QVariant property
- QML_STORE_VALUE(StoreVariant, QVariant, variantFromString(PRIMITIVES.at(instr.value)));
- QML_STORE_VALUE(StoreVariantInteger, QVariant, QVariant(instr.value));
- QML_STORE_VALUE(StoreVariantDouble, QVariant, QVariant(instr.value));
- QML_STORE_VALUE(StoreVariantBool, QVariant, QVariant(instr.value));
-
- // Store a literal value in a var property.
- // We deliberately do not use string converters here
- QML_STORE_VAR(StoreVar, ep->v8engine()->fromVariant(PRIMITIVES.at(instr.value)));
- QML_STORE_VAR(StoreVarInteger, QV4::Primitive::fromInt32(instr.value));
- QML_STORE_VAR(StoreVarDouble, QV4::Primitive::fromDouble(instr.value));
- QML_STORE_VAR(StoreVarBool, QV4::Primitive::fromBoolean(instr.value));
-
- // Store a literal value in a QJSValue property.
- QML_STORE_VALUE(StoreJSValueString, QJSValue, QJSValue(PRIMITIVES.at(instr.value)));
- QML_STORE_VALUE(StoreJSValueInteger, QJSValue, QJSValue(instr.value));
- QML_STORE_VALUE(StoreJSValueDouble, QJSValue, QJSValue(instr.value));
- QML_STORE_VALUE(StoreJSValueBool, QJSValue, QJSValue(instr.value));
-
- QML_BEGIN_INSTR(Init)
- // Ensure that the compiled data has been initialized
- if (!COMP->isInitialized()) COMP->initialize(engine);
-
- QQmlContextData *parentCtxt = CTXT;
- CTXT = new QQmlContextData;
- CTXT->isInternal = true;
- CTXT->url = COMP->url;
- CTXT->urlString = COMP->name;
- CTXT->imports = COMP->importCache;
- CTXT->imports->addref();
- CTXT->setParent(parentCtxt);
- if (instr.contextCache != -1)
- CTXT->setIdPropertyData(COMP->contextCaches.at(instr.contextCache));
- if (states.count() == 1) {
- rootContext = CTXT;
- rootContext->activeVMEData = data;
- rootContext->isRootObjectInCreation = true;
- }
- if (states.count() == 1 && !creationContext.isNull()) {
- // A component that is logically created within another component instance shares the
- // same instances of script imports. For example:
- //
- // import QtQuick 2.0
- // import "test.js" as Test
- // ListView {
- // model: Test.getModel()
- // delegate: Component {
- // Text { text: Test.getValue(index); }
- // }
- // }
- //
- // Has the same "Test" instance. To implement this, we simply copy the v8 handles into
- // the inner context. We have to create a fresh persistent handle for each to prevent
- // double dispose. It is possible we could do this more efficiently using some form of
- // referencing instead.
- CTXT->importedScripts = creationContext->importedScripts;
- }
- QML_END_INSTR(Init)
-
- QML_BEGIN_INSTR(DeferInit)
- QML_END_INSTR(DeferInit)
-
- QML_BEGIN_INSTR(Done)
- states.pop();
-
- if (states.isEmpty())
- goto normalExit;
- QML_END_INSTR(Done)
-
- QML_BEGIN_INSTR(CreateQMLObject)
- const QQmlCompiledData::TypeReference &type = TYPES.at(instr.type);
- Q_ASSERT(type.component);
-
- Q_QML_VME_PROFILE(profiler, startBackground(type.component->name));
-
- states.push(State());
-
- State *cState = &states[states.count() - 2];
- State *nState = &states[states.count() - 1];
-
- nState->context = cState->context;
- nState->compiledData = type.component;
- nState->instructionStream = type.component->bytecode.constData();
-
- if (instr.bindingBits != -1) {
- const QByteArray &bits = cState->compiledData->datas.at(instr.bindingBits);
- nState->bindingSkipList = QBitField((const quint32*)bits.constData(),
- bits.size() * 8);
- }
- if (instr.isRoot)
- nState->bindingSkipList = nState->bindingSkipList.united(cState->bindingSkipList);
-
- // As the state in the state stack changed, execution will continue in the new program.
- QML_END_INSTR(CreateQMLObject)
-
- QML_BEGIN_INSTR(CompleteQMLObject)
- Q_QML_VME_PROFILE(profiler, foreground(CTXT->url, instr.line, instr.column));
-
- QObject *o = objects.top();
- Q_ASSERT(o);
-
- QQmlData *ddata = QQmlData::get(o);
- Q_ASSERT(ddata);
-
- if (states.count() == 1) {
- // Keep a reference to the compiled data we rely on.
- // Only the top-level component instance needs to add a reference - higher-level
- // components add a reference to the components they depend on, so an instance
- // of the top-level component keeps them all referenced.
- ddata->compiledData = states[0].compiledData;
- ddata->compiledData->addref();
- }
-
- if (instr.isRoot) {
- if (ddata->context) {
- Q_ASSERT(ddata->context != CTXT);
- Q_ASSERT(ddata->outerContext);
- Q_ASSERT(ddata->outerContext != CTXT);
- QQmlContextData *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.column;
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- QML_END_INSTR(CompleteQMLObject)
-
- QML_BEGIN_INSTR(CreateCppObject)
- const QQmlCompiledData::TypeReference &type = TYPES.at(instr.type);
- Q_ASSERT(type.type);
- Q_QML_VME_PROFILE(profiler, start(type.type->qmlTypeName(), CTXT->url, instr.line, instr.column));
-
- QObject *o = 0;
- void *memory = 0;
- type.type->create(&o, &memory, sizeof(QQmlData));
-
- if (!o)
- VME_EXCEPTION(tr("Unable to create object of type %1").arg(type.type->elementName()),
- instr.line);
-
- QQmlData *ddata = new (memory) QQmlData;
- ddata->ownMemory = false;
- QObjectPrivate::get(o)->declarativeData = ddata;
-
- if (rootContext && rootContext->isRootObjectInCreation) {
- ddata->rootObjectInCreation = true;
- rootContext->isRootObjectInCreation = false;
- }
-
- if (type.typePropertyCache && !ddata->propertyCache) {
- ddata->propertyCache = type.typePropertyCache;
- ddata->propertyCache->addref();
- }
-
- if (states.count() == 1) {
- // Keep a reference to the compiled data we rely on
- ddata->compiledData = states[0].compiledData;
- ddata->compiledData->addref();
- }
-
- if (instr.isRoot) {
- if (ddata->context) {
- Q_ASSERT(ddata->context != CTXT);
- Q_ASSERT(ddata->outerContext);
- Q_ASSERT(ddata->outerContext != CTXT);
- QQmlContextData *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.column;
-
- if (instr.data != -1) {
- QQmlCustomParser *customParser =
- TYPES.at(instr.type).type->customParser();
- customParser->setCustomData(o, DATAS.at(instr.data));
- }
- if (!objects.isEmpty()) {
- QObject *parent = objects.at(objects.count() - 1 - (instr.parentToSuper?1:0));
-#if 0 // ### refactor
- if (o->isWidgetType() && parent->isWidgetType())
- static_cast<QWidget*>(o)->setParent(static_cast<QWidget*>(parent));
- else
-#endif
- QQml_setParent_noEvent(o, parent);
- ddata->parentFrozen = true;
- }
- objects.push(o);
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- QML_END_INSTR(CreateCppObject)
-
- QML_BEGIN_INSTR(CreateSimpleObject)
- const QQmlCompiledData::TypeReference &ref = TYPES.at(instr.type);
- Q_QML_VME_PROFILE(profiler, start(ref.type->qmlTypeName(), CTXT->url, instr.line, instr.column));
- QObject *o = (QObject *)operator new(instr.typeSize + sizeof(QQmlData));
- ::memset(static_cast<void *>(o), 0, instr.typeSize + sizeof(QQmlData));
- instr.create(o);
-
- QQmlData *ddata = (QQmlData *)(((const char *)o) + instr.typeSize);
- if (!ddata->propertyCache && ref.typePropertyCache) {
- ddata->propertyCache = ref.typePropertyCache;
- ddata->propertyCache->addref();
- }
- ddata->lineNumber = instr.line;
- ddata->columnNumber = instr.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 = objects.at(objects.count() - 1 - (instr.parentToSuper?1:0));
- QQml_setParent_noEvent(o, parent);
-
- ddata->parentFrozen = true;
- objects.push(o);
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- QML_END_INSTR(CreateSimpleObject)
-
- QML_BEGIN_INSTR(SetId)
- QObject *target = objects.top();
- CTXT->setIdProperty(instr.index, target);
- QML_END_INSTR(SetId)
-
- QML_BEGIN_INSTR(SetDefault)
- CTXT->contextObject = objects.top();
- QML_END_INSTR(SetDefault)
-
- QML_BEGIN_INSTR(CreateComponent)
- QQmlComponent *qcomp =
- new QQmlComponent(CTXT->engine, COMP, INSTRUCTIONSTREAM - COMP->bytecode.constData(),
- objects.isEmpty() ? 0 : objects.top());
-
- QQmlData *ddata = QQmlData::get(qcomp, true);
- Q_ASSERT(ddata);
-
- CTXT->addObject(qcomp);
-
- if (states.count() == 1) {
- // Keep a reference to the compiled data we rely on
- ddata->compiledData = states[0].compiledData;
- ddata->compiledData->addref();
- }
-
- if (instr.isRoot)
- ddata->ownContext = true;
-
- ddata->setImplicitDestructible();
- ddata->outerContext = CTXT;
- ddata->lineNumber = instr.line;
- ddata->columnNumber = instr.column;
-
- QQmlComponentPrivate::get(qcomp)->creationContext = CTXT;
-
- objects.push(qcomp);
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- INSTRUCTIONSTREAM += instr.count;
- QML_END_INSTR(CreateComponent)
-
- QML_BEGIN_INSTR(StoreMetaObject)
- QObject *target = objects.top();
-
- QQmlPropertyCache *propertyCache = PROPERTYCACHES.at(instr.propertyCache);
-
- const QQmlVMEMetaData *data =
- (const QQmlVMEMetaData *)DATAS.at(instr.aliasData).constData();
-
- QV4::ExecutionContext *qmlContext = qmlBindingContext(engine, QV8Engine::getV4(engine), qmlBindingWrappers, CTXT, target, objects.count() - 1);
- (void)new QQmlVMEMetaObject(target, propertyCache, data, qmlContext, COMP);
-
- QQmlData *ddata = QQmlData::get(target, true);
- if (ddata->propertyCache) ddata->propertyCache->release();
- ddata->propertyCache = propertyCache;
- ddata->propertyCache->addref();
-
- QML_END_INSTR(StoreMetaObject)
-
- QML_BEGIN_INSTR(AssignCustomType)
- QObject *target = objects.top();
- CLEAN_PROPERTY(target, instr.propertyIndex);
-
- const QString &primitive = PRIMITIVES.at(instr.primitive);
- int type = instr.type;
- QQmlMetaType::StringConverter converter = QQmlMetaType::customStringConverter(type);
- QVariant v = (*converter)(primitive);
-
- QMetaProperty prop =
- target->metaObject()->property(instr.propertyIndex);
- if (v.isNull() || ((int)prop.type() != type && prop.userType() != type))
- VME_EXCEPTION(tr("Cannot assign value %1 to property %2").arg(primitive).arg(QString::fromUtf8(prop.name())), instr.line);
-
- void *a[] = { (void *)v.data(), 0, &status, &flags };
- QMetaObject::metacall(target, QMetaObject::WriteProperty,
- instr.propertyIndex, a);
- QML_END_INSTR(AssignCustomType)
-
- QML_BEGIN_INSTR(AssignSignalObject)
- // XXX optimize
-
- QObject *assign = objects.pop();
- QObject *target = objects.top();
- int sigIdx = instr.signal;
- const QString &pr = PRIMITIVES.at(sigIdx);
-
- QQmlProperty prop(target, pr);
- if (prop.type() & QQmlProperty::SignalProperty) {
-
- QMetaMethod method = QQmlMetaType::defaultMethod(assign);
- if (!method.isValid())
- VME_EXCEPTION_WITH_COLUMN(tr("Cannot assign object type %1 with no default method").arg(QString::fromLatin1(assign->metaObject()->className())), instr.line, instr.column);
-
- if (!QMetaObject::checkConnectArgs(prop.method(), method)) {
- VME_EXCEPTION(tr("Cannot connect mismatched signal/slot %1 %vs. %2")
- .arg(QString::fromLatin1(method.methodSignature().constData()))
- .arg(QString::fromLatin1(prop.method().methodSignature().constData())), instr.line);
- }
-
- QQmlPropertyPrivate::connect(target, prop.index(), assign, method.methodIndex());
-
- } else {
- VME_EXCEPTION(tr("Cannot assign an object to signal property %1").arg(pr), instr.line);
- }
-
-
- QML_END_INSTR(AssignSignalObject)
-
- QML_BEGIN_INSTR(StoreSignal)
- QObject *target = objects.top();
- QObject *context = objects.at(objects.count() - 1 - instr.context);
-
- QV4::ExecutionContext *qmlContext = qmlBindingContext(engine, QV8Engine::getV4(engine), qmlBindingWrappers, CTXT, context, objects.count() - 1 - instr.context);
-
- QV4::Function *runtimeFunction = COMP->compilationUnit->runtimeFunctions[instr.runtimeFunctionIndex];
-
- tmpValue = QV4::FunctionObject::creatScriptFunction(qmlContext, runtimeFunction, /*createProto*/ false);
-
- QQmlBoundSignal *bs = new QQmlBoundSignal(target, instr.signalIndex, target, engine);
- QQmlBoundSignalExpression *expr =
- new QQmlBoundSignalExpression(target, instr.signalIndex,
- CTXT, context, tmpValue);
- bs->takeExpression(expr);
- QML_END_INSTR(StoreSignal)
-
- QML_BEGIN_INSTR(StoreImportedScript)
- QV4::Scope scope(v4);
- QV4::ScopedObject scripts(scope, CTXT->importedScripts.value());
- if (!scripts) {
- scripts = v4->newArrayObject();
- CTXT->importedScripts = scripts;
- }
- scripts->putIndexed(instr.value, SCRIPTS.at(instr.value)->scriptValueForContext(CTXT));
- QML_END_INSTR(StoreImportedScript)
-
- QML_BEGIN_INSTR(StoreScriptString)
- QObject *target = objects.top();
- QObject *scope = objects.at(objects.count() - 1 - instr.scope);
- QQmlScriptString ss(PRIMITIVES.at(instr.value), CTXT->asQQmlContext(), scope);
- ss.d.data()->bindingId = instr.bindingId;
- ss.d.data()->lineNumber = qmlSourceCoordinate(instr.line);
- ss.d.data()->columnNumber = qmlSourceCoordinate(instr.column);
- ss.d.data()->isStringLiteral = instr.isStringLiteral;
- ss.d.data()->isNumberLiteral = instr.isNumberLiteral;
- ss.d.data()->numberValue = instr.numberValue;
-
- void *a[] = { &ss, 0, &status, &flags };
- QMetaObject::metacall(target, QMetaObject::WriteProperty,
- instr.propertyIndex, a);
- QML_END_INSTR(StoreScriptString)
-
- QML_BEGIN_INSTR(BeginObject)
- Q_QML_VME_PROFILE(profiler, push());
- QObject *target = objects.top();
- QQmlParserStatus *status = reinterpret_cast<QQmlParserStatus *>(reinterpret_cast<char *>(target) + instr.castValue);
- parserStatus.push(status);
-#ifdef QML_ENABLE_TRACE
- Q_ASSERT(QObjectPrivate::get(target)->declarativeData);
- parserStatusData.push(static_cast<QQmlData *>(QObjectPrivate::get(target)->declarativeData));
-#endif
- status->d = &parserStatus.top();
-
- status->classBegin();
- QML_END_INSTR(BeginObject)
-
- QML_BEGIN_INSTR(StoreBinding)
- QObject *target =
- objects.at(objects.count() - 1 - instr.owner);
- QObject *context =
- objects.at(objects.count() - 1 - instr.context);
-
- if (instr.isRoot && BINDINGSKIPLIST.testBit(instr.property.coreIndex))
- QML_NEXT_INSTR(StoreBinding);
-
- QV4::ExecutionContext *qmlContext = qmlBindingContext(engine, QV8Engine::getV4(engine), qmlBindingWrappers, CTXT, context, objects.count() - 1 - instr.context);
-
- QV4::Function *runtimeFunction = COMP->compilationUnit->runtimeFunctions[instr.functionIndex];
-
- tmpValue = QV4::FunctionObject::creatScriptFunction(qmlContext, runtimeFunction, /*createProto*/ false);
-
- QQmlBinding *bind = new QQmlBinding(tmpValue, context, CTXT, COMP->name, instr.line, instr.column);
- bindValues.push(bind);
- bind->m_mePtr = &bindValues.top();
- bind->setTarget(target, instr.property, CTXT);
-
- if (instr.isAlias) {
- QQmlAbstractBinding *old =
- QQmlPropertyPrivate::setBindingNoEnable(target,
- instr.property.coreIndex,
- instr.property.getValueTypeCoreIndex(),
- bind);
- if (old) { old->destroy(); }
- } else {
- typedef QQmlPropertyPrivate QDPP;
- Q_ASSERT(bind->propertyIndex() == QDPP::bindingIndex(instr.property));
- Q_ASSERT(bind->object() == target);
-
- CLEAN_PROPERTY(target, QDPP::bindingIndex(instr.property));
-
- bind->addToObject();
-
- if (!instr.property.isValueTypeVirtual()) {
- QQmlData *data = QQmlData::get(target);
- Q_ASSERT(data);
- data->setPendingBindingBit(target, instr.property.coreIndex);
- }
- }
- QML_END_INSTR(StoreBinding)
-
- QML_BEGIN_INSTR(StoreValueSource)
- QObject *obj = objects.pop();
- QQmlPropertyValueSource *vs = reinterpret_cast<QQmlPropertyValueSource *>(reinterpret_cast<char *>(obj) + instr.castValue);
- QObject *target = obj->parent();
- vs->setTarget(QQmlPropertyPrivate::restore(target, instr.property, CTXT));
- QML_END_INSTR(StoreValueSource)
-
- QML_BEGIN_INSTR(StoreValueInterceptor)
- QObject *obj = objects.pop();
- QQmlPropertyValueInterceptor *vi = reinterpret_cast<QQmlPropertyValueInterceptor *>(reinterpret_cast<char *>(obj) + instr.castValue);
- QObject *target = obj->parent();
- QQmlProperty prop =
- QQmlPropertyPrivate::restore(target, instr.property, CTXT);
- vi->setTarget(prop);
- QQmlVMEMetaObject *mo = QQmlVMEMetaObject::get(target);
- Q_ASSERT(mo);
- mo->registerInterceptor(prop.index(), QQmlPropertyPrivate::valueTypeCoreIndex(prop), vi);
- QML_END_INSTR(StoreValueInterceptor)
-
- QML_BEGIN_INSTR(StoreObjectQList)
- QObject *assign = objects.pop();
-
- const List &list = lists.top();
- if (list.qListProperty.append)
- list.qListProperty.append((QQmlListProperty<void>*)&list.qListProperty, assign);
- else
- VME_EXCEPTION(tr("Cannot assign object to read only list"), -1);
- QML_END_INSTR(StoreObjectQList)
-
- QML_BEGIN_INSTR(AssignObjectList)
- // This is only used for assigning interfaces
- QObject *assign = objects.pop();
- const List &list = lists.top();
-
- int type = list.type;
-
- void *ptr = 0;
-
- const char *iid = QQmlMetaType::interfaceIId(type);
- if (iid)
- ptr = assign->qt_metacast(iid);
- if (!ptr)
- VME_EXCEPTION(tr("Cannot assign object to list"), instr.line);
-
- if (list.qListProperty.append)
- list.qListProperty.append((QQmlListProperty<void>*)&list.qListProperty, ptr);
- else
- VME_EXCEPTION(tr("Cannot assign object to read only list"), -1);
- QML_END_INSTR(AssignObjectList)
-
- QML_BEGIN_INSTR(StoreInterface)
- QObject *assign = objects.pop();
- QObject *target = objects.top();
- CLEAN_PROPERTY(target, instr.propertyIndex);
-
- int coreIdx = instr.propertyIndex;
- QMetaProperty prop = target->metaObject()->property(coreIdx);
- int t = prop.userType();
- const char *iid = QQmlMetaType::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(tr("Cannot assign object to interface property"), instr.line);
- QML_END_INSTR(StoreInterface)
-
- QML_BEGIN_INSTR(FetchAttached)
- QObject *target = objects.top();
-
- QObject *qmlObject = qmlAttachedPropertiesObjectById(instr.id, target);
-
- if (!qmlObject)
- VME_EXCEPTION(tr("Unable to create attached object"), instr.line);
-
- objects.push(qmlObject);
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- QML_END_INSTR(FetchAttached)
-
- QML_BEGIN_INSTR(FetchQList)
- QObject *target = objects.top();
-
- lists.push(List(instr.type));
-
- void *a[1];
- a[0] = (void *)&(lists.top().qListProperty);
- QMetaObject::metacall(target, QMetaObject::ReadProperty,
- instr.property, a);
- QML_END_INSTR(FetchQList)
-
- QML_BEGIN_INSTR(FetchObject)
- QObject *target = objects.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.property, a);
-
- if (!obj)
- VME_EXCEPTION_WITH_COLUMN(tr("Cannot set properties on %1 as it is null").arg(QString::fromUtf8(target->metaObject()->property(instr.property).name())), instr.line, instr.column);
-
- objects.push(obj);
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- QML_END_INSTR(FetchObject)
-
- QML_BEGIN_INSTR(PopQList)
- lists.pop();
- QML_END_INSTR(PopQList)
-
- QML_BEGIN_INSTR(Defer)
- if (instr.deferCount) {
- QObject *target = objects.top();
- QQmlData *data = QQmlData::get(target, true);
- if (data->deferredData) {
- //This rare case still won't always work right
- qmlInfo(target) << "Setting deferred property across multiple components may not work";
- delete data->deferredData;
- }
- data->deferredData = new QQmlData::DeferredData;
- //If we're in a CreateQML here, data->compiledData could be reset later
- data->deferredData->compiledData = COMP;
- data->deferredData->context = CTXT;
- // Keep this data referenced until we're initialized
- data->deferredData->compiledData->addref();
- data->deferredData->deferredIdx = INSTRUCTIONSTREAM - COMP->bytecode.constData();
- Q_ASSERT(data->deferredData->deferredIdx != 0);
- INSTRUCTIONSTREAM += instr.deferCount;
- }
- QML_END_INSTR(Defer)
-
- QML_BEGIN_INSTR(PopFetchedObject)
- objects.pop();
- QML_END_INSTR(PopFetchedObject)
-
- QML_BEGIN_INSTR(FetchValueType)
- QObject *target = objects.top();
-
- if (instr.bindingSkipList != 0) {
- // Possibly need to clear bindings
- QQmlData *targetData = QQmlData::get(target);
- if (targetData) {
- QQmlAbstractBinding *binding =
- QQmlPropertyPrivate::binding(target, instr.property, -1);
-
- if (binding && binding->bindingType() != QQmlAbstractBinding::ValueTypeProxy) {
- QQmlPropertyPrivate::setBinding(target, instr.property, -1, 0);
- binding->destroy();
- } else if (binding) {
- QQmlValueTypeProxyBinding *proxy =
- static_cast<QQmlValueTypeProxyBinding *>(binding);
- proxy->removeBindings(instr.bindingSkipList);
- }
- }
- }
-
- QQmlValueType *valueHandler = QQmlValueTypeFactory::valueType(instr.type);
- Q_ASSERT(valueHandler);
- valueHandler->read(target, instr.property);
- objects.push(valueHandler);
- qmlBindingWrappers[objects.count() - 1] = QV4::Primitive::undefinedValue();
- QML_END_INSTR(FetchValueType)
-
- QML_BEGIN_INSTR(PopValueType)
- QQmlValueType *valueHandler =
- static_cast<QQmlValueType *>(objects.pop());
- QObject *target = objects.top();
- valueHandler->write(target, instr.property, QQmlPropertyPrivate::BypassInterceptor);
- QML_END_INSTR(PopValueType)
-
-#ifdef QML_THREADED_VME_INTERPRETER
- // nothing to do
-#else
- default:
- Q_UNREACHABLE();
- qFatal("QQmlCompiledData: Internal error - unknown instruction %d", genericInstr->common.instructionType);
- break;
- }
- }
-#endif
-
-exceptionExit:
- Q_ASSERT(!states.isEmpty());
- Q_ASSERT(!errors->isEmpty());
-
- reset();
-
- return 0;
-
-normalExit:
- Q_ASSERT(objects.count() == 1);
-
- QObject *rv = objects.top();
-
- objects.deallocate();
- lists.deallocate();
- states.clear();
- Q_QML_VME_PROFILE(profiler, stop());
-
- return rv;
-}
-
-void QQmlVME::reset()
-{
- Q_ASSERT(!states.isEmpty() || objects.isEmpty());
-
- QRecursionWatcher<QQmlVME, &QQmlVME::recursion> watcher(this);
-
- if (!objects.isEmpty() && !(states.at(0).flags & State::Deferred))
- delete objects.at(0);
-
- if (!rootContext.isNull())
- rootContext->activeVMEData = 0;
-
- // Remove the QQmlParserStatus and QQmlAbstractBinding back pointers
- blank(parserStatus);
- blank(bindValues);
-
- while (componentAttached) {
- QQmlComponentAttached *a = componentAttached;
- a->rem();
- }
-
- engine = 0;
- objects.deallocate();
- lists.deallocate();
- bindValues.deallocate();
- parserStatus.deallocate();
-#ifdef QML_ENABLE_TRACE
- parserStatusData.deallocate();
-#endif
- finalizeCallbacks.clear();
- states.clear();
- rootContext = 0;
- creationContext = 0;
-
- // If profiling is switched off during a VME run and then switched back on
- // before or during the next run background ranges from the first run will
- // be reported in the second run because we don't clear() here. We accept
- // that as the collected data will be incomplete anyway and because not
- // calling clear() here is benefitial for the non-profiling case.
- Q_QML_VME_PROFILE(profiler, clear(true));
-}
-
-#ifdef QML_THREADED_VME_INTERPRETER
-void *const *QQmlVME::instructionJumpTable()
-{
- static void * const *jumpTable = 0;
- if (!jumpTable) {
- QQmlVME dummy;
- QQmlInstantiationInterrupt i;
- dummy.run(0, i, &jumpTable);
- }
- return jumpTable;
-}
-#endif
-
-QQmlContextData *QQmlVME::complete(const QQmlInstantiationInterrupt &interrupt)
-{
- Q_ASSERT(engine ||
- (bindValues.isEmpty() &&
- parserStatus.isEmpty() &&
- componentAttached == 0 &&
- rootContext.isNull() &&
- finalizeCallbacks.isEmpty()));
-
- if (!engine)
- return 0;
-
- QQmlTrace trace("VME Complete");
-#ifdef QML_ENABLE_TRACE
- trace.addDetail("URL", rootComponent->url);
-#endif
-
- ActiveVMERestorer restore(this, QQmlEnginePrivate::get(engine));
- QRecursionWatcher<QQmlVME, &QQmlVME::recursion> watcher(this);
-
- {
- QQmlTrace trace("VME Binding Enable");
- trace.event("begin binding eval");
- while (!bindValues.isEmpty()) {
- QQmlAbstractBinding *b = bindValues.pop();
-
- if (b) {
- b->m_mePtr = 0;
- QQmlData *data = QQmlData::get(b->object());
- Q_ASSERT(data);
- data->clearPendingBindingBit(b->propertyIndex());
- b->setEnabled(true, QQmlPropertyPrivate::BypassInterceptor |
- QQmlPropertyPrivate::DontRemoveBinding);
- }
-
- if (watcher.hasRecursed() || interrupt.shouldInterrupt())
- return 0;
- }
- bindValues.deallocate();
- }
-
- if (componentCompleteEnabled()) { // the qml designer does the component complete later
- QQmlTrace trace("VME Component Complete");
- while (!parserStatus.isEmpty()) {
- Q_QML_VME_PROFILE(profiler, pop());
- QQmlParserStatus *status = parserStatus.pop();
-#ifdef QML_ENABLE_TRACE
- QQmlData *data = parserStatusData.pop();
-#endif
-
- if (status && status->d) {
- status->d = 0;
-#ifdef QML_ENABLE_TRACE
- QQmlTrace trace("Component complete");
- trace.addDetail("URL", data->outerContext->url);
- trace.addDetail("Line", data->lineNumber);
-#endif
- status->componentComplete();
- }
-
- if (watcher.hasRecursed() || interrupt.shouldInterrupt())
- return 0;
- }
- parserStatus.deallocate();
- Q_QML_VME_PROFILE(profiler, clear());
- }
-
- {
- QQmlTrace trace("VME Finalize Callbacks");
- for (int ii = 0; ii < finalizeCallbacks.count(); ++ii) {
- QQmlEnginePrivate::FinalizeCallback callback = finalizeCallbacks.at(ii);
- QObject *obj = callback.first;
- if (obj) {
- void *args[] = { 0 };
- QMetaObject::metacall(obj, QMetaObject::InvokeMetaMethod, callback.second, args);
- }
- if (watcher.hasRecursed())
- return 0;
- }
- finalizeCallbacks.clear();
- }
-
- {
- QQmlTrace trace("VME Component.onCompleted Callbacks");
- while (componentAttached) {
- QQmlComponentAttached *a = componentAttached;
- a->rem();
- QQmlData *d = QQmlData::get(a->parent());
- Q_ASSERT(d);
- Q_ASSERT(d->context);
- a->add(&d->context->componentAttached);
- if (componentCompleteEnabled())
- emit a->completed();
-
- if (watcher.hasRecursed() || interrupt.shouldInterrupt())
- return 0;
- }
- }
-
- QQmlContextData *rv = rootContext;
-
- reset();
-
- if (rv) rv->activeVMEData = data;
-
- return rv;
-}
-
void QQmlVME::enableComponentComplete()
{
s_enableComponentComplete = true;
@@ -1283,22 +99,6 @@ bool QQmlVME::componentCompleteEnabled()
return s_enableComponentComplete;
}
-void QQmlVME::blank(QFiniteStack<QQmlAbstractBinding *> &bs)
-{
- for (int ii = 0; ii < bs.count(); ++ii) {
- QQmlAbstractBinding *b = bs.at(ii);
- if (b) b->m_mePtr = 0;
- }
-}
-
-void QQmlVME::blank(QFiniteStack<QQmlParserStatus *> &pss)
-{
- for (int ii = 0; ii < pss.count(); ++ii) {
- QQmlParserStatus *ps = pss.at(ii);
- if(ps) ps->d = 0;
- }
-}
-
QQmlVMEGuard::QQmlVMEGuard()
: m_objectCount(0), m_objects(0), m_contextCount(0), m_contexts(0)
{
@@ -1309,23 +109,6 @@ QQmlVMEGuard::~QQmlVMEGuard()
clear();
}
-void QQmlVMEGuard::guard(QQmlVME *vme)
-{
- clear();
-
- m_objectCount = vme->objects.count();
- m_objects = new QPointer<QObject>[m_objectCount];
- for (int ii = 0; ii < m_objectCount; ++ii)
- m_objects[ii] = vme->objects[ii];
-
- m_contextCount = (vme->rootContext.isNull()?0:1) + vme->states.count();
- m_contexts = new QQmlGuardedContextData[m_contextCount];
- for (int ii = 0; ii < vme->states.count(); ++ii)
- m_contexts[ii] = vme->states.at(ii).context;
- if (!vme->rootContext.isNull())
- m_contexts[m_contextCount - 1] = vme->rootContext.contextData();
-}
-
void QQmlVMEGuard::guard(QQmlObjectCreator *creator)
{
clear();
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 01:39:17 +0000