/****************************************************************************
**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
**
**
**
+**
** $QT_END_LICENSE$
**
****************************************************************************/
-#include "private/qdeclarativepropertycache_p.h"
+#include "qdeclarativepropertycache_p.h"
+
+#include "qdeclarativeengine_p.h"
+#include "qdeclarativebinding_p.h"
+#include <private/qv8engine_p.h>
+
+#include <private/qmetaobject_p.h>
+#include <private/qdeclarativeaccessors_p.h>
-#include "private/qdeclarativeengine_p.h"
-#include "private/qdeclarativebinding_p.h"
-#include "private/qv8engine_p.h"
#include <QtCore/qdebug.h>
-Q_DECLARE_METATYPE(QScriptValue)
+Q_DECLARE_METATYPE(QJSValue)
Q_DECLARE_METATYPE(QDeclarativeV8Handle);
QT_BEGIN_NAMESPACE
-QDeclarativePropertyCache::Data::Flags QDeclarativePropertyCache::Data::flagsForProperty(const QMetaProperty &p, QDeclarativeEngine *engine)
-{
- int propType = p.userType();
+#define Q_INT16_MAX 32767
- Flags flags;
+class QDeclarativePropertyCacheMethodArguments
+{
+public:
+ QDeclarativePropertyCacheMethodArguments *next;
+ int arguments[0];
+};
+
+// Flags that do *NOT* depend on the property's QMetaProperty::userType() and thus are quick
+// to load
+static QDeclarativePropertyData::Flags fastFlagsForProperty(const QMetaProperty &p)
+{
+ QDeclarativePropertyData::Flags flags;
if (p.isConstant())
- flags |= Data::IsConstant;
+ flags |= QDeclarativePropertyData::IsConstant;
if (p.isWritable())
- flags |= Data::IsWritable;
+ flags |= QDeclarativePropertyData::IsWritable;
if (p.isResettable())
- flags |= Data::IsResettable;
+ flags |= QDeclarativePropertyData::IsResettable;
if (p.isFinal())
- flags |= Data::IsFinal;
+ flags |= QDeclarativePropertyData::IsFinal;
+ if (p.isEnumType())
+ flags |= QDeclarativePropertyData::IsEnumType;
+
+ return flags;
+}
- if (propType == qMetaTypeId<QDeclarativeBinding *>()) {
- flags |= Data::IsQmlBinding;
- } else if (propType == qMetaTypeId<QScriptValue>()) {
- flags |= Data::IsQScriptValue;
+// Flags that do depend on the property's QMetaProperty::userType() and thus are slow to
+// load
+static QDeclarativePropertyData::Flags flagsForPropertyType(int propType, QDeclarativeEngine *engine)
+{
+ Q_ASSERT(propType != -1);
+
+ QDeclarativePropertyData::Flags flags;
+
+ if (propType == QMetaType::QObjectStar || propType == QMetaType::QWidgetStar) {
+ flags |= QDeclarativePropertyData::IsQObjectDerived;
+ } else if (propType == QMetaType::QVariant) {
+ flags |= QDeclarativePropertyData::IsQVariant;
+ } else if (propType < (int)QVariant::UserType) {
+ } else if (propType == qMetaTypeId<QDeclarativeBinding *>()) {
+ flags |= QDeclarativePropertyData::IsQmlBinding;
+ } else if (propType == qMetaTypeId<QJSValue>()) {
+ flags |= QDeclarativePropertyData::IsQJSValue;
} else if (propType == qMetaTypeId<QDeclarativeV8Handle>()) {
- flags |= Data::IsV8Handle;
- } else if (p.isEnumType()) {
- flags |= Data::IsEnumType;
+ flags |= QDeclarativePropertyData::IsV8Handle;
} else {
- QDeclarativeMetaType::TypeCategory cat = engine ? QDeclarativeEnginePrivate::get(engine)->typeCategory(propType)
- : QDeclarativeMetaType::typeCategory(propType);
+ QDeclarativeMetaType::TypeCategory cat =
+ engine ? QDeclarativeEnginePrivate::get(engine)->typeCategory(propType)
+ : QDeclarativeMetaType::typeCategory(propType);
+
if (cat == QDeclarativeMetaType::Object)
- flags |= Data::IsQObjectDerived;
+ flags |= QDeclarativePropertyData::IsQObjectDerived;
else if (cat == QDeclarativeMetaType::List)
- flags |= Data::IsQList;
+ flags |= QDeclarativePropertyData::IsQList;
}
return flags;
}
-void QDeclarativePropertyCache::Data::load(const QMetaProperty &p, QDeclarativeEngine *engine)
+static int metaObjectSignalCount(const QMetaObject *metaObject)
+{
+ int signalCount = 0;
+ for (const QMetaObject *obj = metaObject; obj; obj = obj->superClass())
+ signalCount += QMetaObjectPrivate::get(obj)->signalCount;
+ return signalCount;
+}
+
+QDeclarativePropertyData::Flags
+QDeclarativePropertyData::flagsForProperty(const QMetaProperty &p, QDeclarativeEngine *engine)
+{
+ return fastFlagsForProperty(p) | flagsForPropertyType(p.userType(), engine);
+}
+
+void QDeclarativePropertyData::lazyLoad(const QMetaProperty &p, QDeclarativeEngine *engine)
+{
+ Q_UNUSED(engine);
+
+ coreIndex = p.propertyIndex();
+ notifyIndex = p.notifySignalIndex();
+ Q_ASSERT(p.revision() <= Q_INT16_MAX);
+ revision = p.revision();
+
+ flags = fastFlagsForProperty(p);
+
+ int type = p.type();
+ if (type == QMetaType::QObjectStar || type == QMetaType::QWidgetStar) {
+ propType = type;
+ flags |= QDeclarativePropertyData::IsQObjectDerived;
+ } else if (type == QMetaType::QVariant) {
+ propType = type;
+ flags |= QDeclarativePropertyData::IsQVariant;
+ } else if (type == QVariant::UserType || type == -1) {
+ propTypeName = p.typeName();
+ flags |= QDeclarativePropertyData::NotFullyResolved;
+ } else {
+ propType = type;
+ }
+}
+
+void QDeclarativePropertyData::load(const QMetaProperty &p, QDeclarativeEngine *engine)
{
propType = p.userType();
- if (QVariant::Type(propType) == QVariant::LastType)
- propType = qMetaTypeId<QVariant>();
coreIndex = p.propertyIndex();
notifyIndex = p.notifySignalIndex();
- flags = flagsForProperty(p, engine);
+ flags = fastFlagsForProperty(p) | flagsForPropertyType(propType, engine);
+ Q_ASSERT(p.revision() <= Q_INT16_MAX);
revision = p.revision();
}
-void QDeclarativePropertyCache::Data::load(const QMetaMethod &m)
+void QDeclarativePropertyData::load(const QMetaMethod &m)
{
coreIndex = m.methodIndex();
- relatedIndex = -1;
- flags |= Data::IsFunction;
+ arguments = 0;
+ flags |= IsFunction;
if (m.methodType() == QMetaMethod::Signal)
- flags |= Data::IsSignal;
+ flags |= IsSignal;
propType = QVariant::Invalid;
const char *returnType = m.typeName();
if (returnType)
propType = QMetaType::type(returnType);
- QList<QByteArray> params = m.parameterTypes();
- if (!params.isEmpty()) {
- flags |= Data::HasArguments;
- if (params.at(0).length() == 23 &&
- 0 == qstrcmp(params.at(0).constData(), "QDeclarativeV8Function*")) {
- flags |= Data::IsV8Function;
+ const char *signature = m.signature();
+ while (*signature != '(') { Q_ASSERT(*signature != 0); ++signature; }
+
+ ++signature;
+ if (*signature != ')') {
+ flags |= HasArguments;
+ if (0 == ::strcmp(signature, "QDeclarativeV8Function*)")) {
+ flags |= IsV8Function;
}
}
+
+ Q_ASSERT(m.revision() <= Q_INT16_MAX);
revision = m.revision();
}
+void QDeclarativePropertyData::lazyLoad(const QMetaMethod &m)
+{
+ coreIndex = m.methodIndex();
+ arguments = 0;
+ flags |= IsFunction;
+ if (m.methodType() == QMetaMethod::Signal)
+ flags |= IsSignal;
+ propType = QVariant::Invalid;
+
+ const char *returnType = m.typeName();
+ if (returnType && *returnType) {
+ propTypeName = returnType;
+ flags |= NotFullyResolved;
+ }
+
+ const char *signature = m.signature();
+ while (*signature != '(') { Q_ASSERT(*signature != 0); ++signature; }
+
+ ++signature;
+ if (*signature != ')') {
+ flags |= HasArguments;
+ if (0 == ::strcmp(signature, "QDeclarativeV8Function*)")) {
+ flags |= IsV8Function;
+ }
+ }
+
+ Q_ASSERT(m.revision() <= Q_INT16_MAX);
+ revision = m.revision();
+}
/*!
Creates a new empty QDeclarativePropertyCache.
*/
QDeclarativePropertyCache::QDeclarativePropertyCache(QDeclarativeEngine *e)
-: QDeclarativeCleanup(e), engine(e)
+: engine(e), parent(0), propertyIndexCacheStart(0), methodIndexCacheStart(0),
+ signalHanderIndexCacheStart(0), metaObject(0), argumentsCache(0)
{
Q_ASSERT(engine);
}
Creates a new QDeclarativePropertyCache of \a metaObject.
*/
QDeclarativePropertyCache::QDeclarativePropertyCache(QDeclarativeEngine *e, const QMetaObject *metaObject)
-: QDeclarativeCleanup(e), engine(e)
+: engine(e), parent(0), propertyIndexCacheStart(0), methodIndexCacheStart(0),
+ signalHanderIndexCacheStart(0), metaObject(0), argumentsCache(0)
{
Q_ASSERT(engine);
Q_ASSERT(metaObject);
QDeclarativePropertyCache::~QDeclarativePropertyCache()
{
clear();
-}
-void QDeclarativePropertyCache::clear()
-{
- for (int ii = 0; ii < indexCache.count(); ++ii) {
- if (indexCache.at(ii)) indexCache.at(ii)->release();
+ QDeclarativePropertyCacheMethodArguments *args = argumentsCache;
+ while (args) {
+ QDeclarativePropertyCacheMethodArguments *next = args->next;
+ free(args);
+ args = next;
}
- for (int ii = 0; ii < methodIndexCache.count(); ++ii) {
- RData *data = methodIndexCache.at(ii);
- if (data) data->release();
- }
+ if (parent) parent->release();
+ parent = 0;
+ engine = 0;
+}
- for (StringCache::ConstIterator iter = stringCache.begin();
- iter != stringCache.end(); ++iter) {
- RData *data = (*iter);
- data->release();
- }
+void QDeclarativePropertyCache::destroy()
+{
+ Q_ASSERT(engine || constructor.IsEmpty());
+ if (constructor.IsEmpty())
+ delete this;
+ else
+ QDeclarativeEnginePrivate::deleteInEngineThread(engine, this);
+}
- indexCache.clear();
- methodIndexCache.clear();
- stringCache.clear();
+// This is inherited from QDeclarativeCleanup, so it should only clear the things
+// that are tied to the specific QDeclarativeEngine.
+void QDeclarativePropertyCache::clear()
+{
qPersistentDispose(constructor);
+ engine = 0;
}
-QDeclarativePropertyCache::Data QDeclarativePropertyCache::create(const QMetaObject *metaObject,
- const QString &property)
+QDeclarativePropertyCache *QDeclarativePropertyCache::copy(int reserve)
{
- Q_ASSERT(metaObject);
-
- QDeclarativePropertyCache::Data rv;
- {
- const QMetaObject *cmo = metaObject;
- while (cmo) {
- int idx = metaObject->indexOfProperty(property.toUtf8());
- if (idx != -1) {
- QMetaProperty p = metaObject->property(idx);
- if (p.isScriptable()) {
- rv.load(metaObject->property(idx));
- return rv;
- } else {
- while (cmo && cmo->propertyOffset() >= idx)
- cmo = cmo->superClass();
- }
- } else {
- cmo = 0;
- }
- }
- }
+ QDeclarativePropertyCache *cache = new QDeclarativePropertyCache(engine);
+ cache->parent = this;
+ cache->parent->addref();
+ cache->propertyIndexCacheStart = propertyIndexCache.count() + propertyIndexCacheStart;
+ cache->methodIndexCacheStart = methodIndexCache.count() + methodIndexCacheStart;
+ cache->signalHanderIndexCacheStart = signalHandlerIndexCache.count() + signalHanderIndexCacheStart;
+ cache->stringCache.copyAndReserve(stringCache, reserve);
+ cache->allowedRevisionCache = allowedRevisionCache;
+ cache->metaObject = metaObject;
- int methodCount = metaObject->methodCount();
- for (int ii = methodCount - 1; ii >= 3; --ii) { // >=3 to block the destroyed signal and deleteLater() slot
- QMetaMethod m = metaObject->method(ii);
- if (m.access() == QMetaMethod::Private)
- continue;
- QString methodName = QString::fromUtf8(m.signature());
+ // We specifically do *NOT* copy the constructor
- int parenIdx = methodName.indexOf(QLatin1Char('('));
- Q_ASSERT(parenIdx != -1);
- QStringRef methodNameRef = methodName.leftRef(parenIdx);
+ return cache;
+}
- if (methodNameRef == property) {
- rv.load(m);
- return rv;
- }
- }
+QDeclarativePropertyCache *QDeclarativePropertyCache::copy()
+{
+ return copy(0);
+}
- return rv;
+QDeclarativePropertyCache *
+QDeclarativePropertyCache::copyAndAppend(QDeclarativeEngine *engine, const QMetaObject *metaObject,
+ QDeclarativePropertyData::Flag propertyFlags,
+ QDeclarativePropertyData::Flag methodFlags,
+ QDeclarativePropertyData::Flag signalFlags)
+{
+ return copyAndAppend(engine, metaObject, -1, propertyFlags, methodFlags, signalFlags);
}
-QDeclarativePropertyCache *QDeclarativePropertyCache::copy() const
+QDeclarativePropertyCache *
+QDeclarativePropertyCache::copyAndAppend(QDeclarativeEngine *engine, const QMetaObject *metaObject,
+ int revision,
+ QDeclarativePropertyData::Flag propertyFlags,
+ QDeclarativePropertyData::Flag methodFlags,
+ QDeclarativePropertyData::Flag signalFlags)
{
- QDeclarativePropertyCache *cache = new QDeclarativePropertyCache(engine);
- cache->indexCache = indexCache;
- cache->methodIndexCache = methodIndexCache;
- cache->stringCache = stringCache;
- cache->allowedRevisionCache = allowedRevisionCache;
+ Q_ASSERT(QMetaObjectPrivate::get(metaObject)->revision >= 4);
- for (int ii = 0; ii < indexCache.count(); ++ii) {
- if (indexCache.at(ii)) indexCache.at(ii)->addref();
- }
- for (int ii = 0; ii < methodIndexCache.count(); ++ii) {
- if (methodIndexCache.at(ii)) methodIndexCache.at(ii)->addref();
- }
- for (StringCache::ConstIterator iter = stringCache.begin(); iter != stringCache.end(); ++iter)
- (*iter)->addref();
+ // Reserve enough space in the name hash for all the methods (including signals), all the
+ // signal handlers and all the properties. This assumes no name clashes, but this is the
+ // common case.
+ QDeclarativePropertyCache *rv = copy(QMetaObjectPrivate::get(metaObject)->methodCount +
+ QMetaObjectPrivate::get(metaObject)->signalCount +
+ QMetaObjectPrivate::get(metaObject)->propertyCount);
- // We specifically do *NOT* copy the constructor
+ rv->append(engine, metaObject, revision, propertyFlags, methodFlags, signalFlags);
- return cache;
+ return rv;
}
void QDeclarativePropertyCache::append(QDeclarativeEngine *engine, const QMetaObject *metaObject,
- Data::Flag propertyFlags, Data::Flag methodFlags, Data::Flag signalFlags)
+ QDeclarativePropertyData::Flag propertyFlags,
+ QDeclarativePropertyData::Flag methodFlags,
+ QDeclarativePropertyData::Flag signalFlags)
{
append(engine, metaObject, -1, propertyFlags, methodFlags, signalFlags);
}
void QDeclarativePropertyCache::append(QDeclarativeEngine *engine, const QMetaObject *metaObject,
int revision,
- Data::Flag propertyFlags, Data::Flag methodFlags, Data::Flag signalFlags)
+ QDeclarativePropertyData::Flag propertyFlags,
+ QDeclarativePropertyData::Flag methodFlags,
+ QDeclarativePropertyData::Flag signalFlags)
{
Q_UNUSED(revision);
+ Q_ASSERT(constructor.IsEmpty()); // We should not be appending to an in-use property cache
+
+ this->metaObject = metaObject;
- qPersistentDispose(constructor); // Now invalid
+ bool dynamicMetaObject = isDynamicMetaObject(metaObject);
allowedRevisionCache.append(0);
- QDeclarativeEnginePrivate *enginePriv = QDeclarativeEnginePrivate::get(engine);
int methodCount = metaObject->methodCount();
- // 3 to block the destroyed signal and the deleteLater() slot
- int methodOffset = qMax(3, metaObject->methodOffset());
+ Q_ASSERT(QMetaObjectPrivate::get(metaObject)->revision >= 4);
+ int signalCount = metaObjectSignalCount(metaObject);
+ int classInfoCount = QMetaObjectPrivate::get(metaObject)->classInfoCount;
+
+ QDeclarativeAccessorProperties::Properties accessorProperties;
+
+ // Special case QObject as we don't want to add a qt_HasQmlAccessors classinfo to it
+ if (metaObject == &QObject::staticMetaObject) {
+ accessorProperties = QDeclarativeAccessorProperties::properties(metaObject);
+ } else if (classInfoCount) {
+ int classInfoOffset = metaObject->classInfoOffset();
+ bool hasFastProperty = false;
+ for (int ii = 0; ii < classInfoCount; ++ii) {
+ int idx = ii + classInfoOffset;
+
+ if (0 == qstrcmp(metaObject->classInfo(idx).name(), "qt_HasQmlAccessors")) {
+ hasFastProperty = true;
+ break;
+ }
+ }
+
+ if (hasFastProperty) {
+ accessorProperties = QDeclarativeAccessorProperties::properties(metaObject);
+ if (accessorProperties.count == 0)
+ qFatal("QDeclarativePropertyCache: %s has FastProperty class info, but has not "
+ "installed property accessors", metaObject->className());
+ } else {
+#ifndef QT_NO_DEBUG
+ accessorProperties = QDeclarativeAccessorProperties::properties(metaObject);
+ if (accessorProperties.count != 0)
+ qFatal("QDeclarativePropertyCache: %s has fast property accessors, but is missing "
+ "FastProperty class info", metaObject->className());
+#endif
+ }
+ }
+
+ // qMax(defaultMethods, methodOffset) to block the signals and slots of QObject::staticMetaObject
+ // incl. destroyed signals, objectNameChanged signal, deleteLater slot, _q_reregisterTimers slot.
+ int methodOffset = qMax(QObject::staticMetaObject.methodCount(), metaObject->methodOffset());
+ int signalOffset = signalCount - QMetaObjectPrivate::get(metaObject)->signalCount;
- methodIndexCache.resize(methodCount);
+ // update() should have reserved enough space in the vector that this doesn't cause a realloc
+ // and invalidate the stringCache.
+ methodIndexCache.resize(methodCount - methodIndexCacheStart);
+ signalHandlerIndexCache.resize(signalCount - signalHanderIndexCacheStart);
+ int signalHandlerIndex = signalOffset;
for (int ii = methodOffset; ii < methodCount; ++ii) {
QMetaMethod m = metaObject->method(ii);
if (m.access() == QMetaMethod::Private)
continue;
- QString methodName = QString::fromUtf8(m.signature());
- int parenIdx = methodName.indexOf(QLatin1Char('('));
- Q_ASSERT(parenIdx != -1);
- methodName = methodName.left(parenIdx);
+ // Extract method name
+ const char *signature = m.signature();
+ const char *cptr = signature;
+ char utf8 = 0;
+ while (*cptr != '(') {
+ Q_ASSERT(*cptr != 0);
+ utf8 |= *cptr & 0x80;
+ ++cptr;
+ }
- RData *data = new RData;
- methodIndexCache[ii] = data;
+ QDeclarativePropertyData *data = &methodIndexCache[ii - methodIndexCacheStart];
+ QDeclarativePropertyData *sigdata = 0;
- data->load(m);
- if (m.methodType() == QMetaMethod::Slot || m.methodType() == QMetaMethod::Method)
- data->flags |= methodFlags;
- else if (m.methodType() == QMetaMethod::Signal)
+ data->lazyLoad(m);
+
+ if (data->isSignal())
data->flags |= signalFlags;
+ else
+ data->flags |= methodFlags;
+
+ if (!dynamicMetaObject)
+ data->flags |= QDeclarativePropertyData::IsDirect;
+ Q_ASSERT((allowedRevisionCache.count() - 1) < Q_INT16_MAX);
data->metaObjectOffset = allowedRevisionCache.count() - 1;
- if (stringCache.contains(methodName)) {
- RData *old = stringCache[methodName];
+ if (data->isSignal()) {
+ sigdata = &signalHandlerIndexCache[signalHandlerIndex - signalHanderIndexCacheStart];
+ *sigdata = *data;
+ sigdata->flags |= QDeclarativePropertyData::IsSignalHandler;
+ }
+
+ QDeclarativePropertyData *old = 0;
+
+ if (utf8) {
+ QHashedString methodName(QString::fromUtf8(signature, cptr - signature));
+ if (QDeclarativePropertyData **it = stringCache.value(methodName))
+ old = *it;
+ stringCache.insert(methodName, data);
+
+ if (data->isSignal()) {
+ QHashedString on(QStringLiteral("on") % methodName.at(0).toUpper() % methodName.midRef(1));
+ stringCache.insert(on, sigdata);
+ ++signalHandlerIndex;
+ }
+ } else {
+ QHashedCStringRef methodName(signature, cptr - signature);
+ if (QDeclarativePropertyData **it = stringCache.value(methodName))
+ old = *it;
+ stringCache.insert(methodName, data);
+
+ if (data->isSignal()) {
+ int length = methodName.length();
+
+ QVarLengthArray<char, 128> str(length+3);
+ str[0] = 'o';
+ str[1] = 'n';
+ str[2] = toupper(signature[0]);
+ if (length > 1)
+ memcpy(&str[3], &signature[1], length - 1);
+ str[length + 2] = '\0';
+
+ QHashedString on(QString::fromLatin1(str.data()));
+ stringCache.insert(on, sigdata);
+ ++signalHandlerIndex;
+ }
+ }
+
+ if (old) {
// We only overload methods in the same class, exactly like C++
- if (old->flags & Data::IsFunction && old->coreIndex >= methodOffset)
- data->relatedIndex = old->coreIndex;
- data->overrideIndexIsProperty = !bool(old->flags & Data::IsFunction);
+ if (old->isFunction() && old->coreIndex >= methodOffset)
+ data->flags |= QDeclarativePropertyData::IsOverload;
+ data->overrideIndexIsProperty = !old->isFunction();
data->overrideIndex = old->coreIndex;
- stringCache[methodName]->release();
}
-
- stringCache.insert(methodName, data);
- data->addref();
}
int propCount = metaObject->propertyCount();
int propOffset = metaObject->propertyOffset();
- indexCache.resize(propCount);
+ // update() should have reserved enough space in the vector that this doesn't cause a realloc
+ // and invalidate the stringCache.
+ propertyIndexCache.resize(propCount - propertyIndexCacheStart);
for (int ii = propOffset; ii < propCount; ++ii) {
QMetaProperty p = metaObject->property(ii);
if (!p.isScriptable())
continue;
- QString propName = QString::fromUtf8(p.name());
+ const char *str = p.name();
+ char utf8 = 0;
+ const char *cptr = str;
+ while (*cptr != 0) {
+ utf8 |= *cptr & 0x80;
+ ++cptr;
+ }
- RData *data = new RData;
- indexCache[ii] = data;
+ QDeclarativePropertyData *data = &propertyIndexCache[ii - propertyIndexCacheStart];
- data->load(p, engine);
+ data->lazyLoad(p, engine);
data->flags |= propertyFlags;
+ if (!dynamicMetaObject)
+ data->flags |= QDeclarativePropertyData::IsDirect;
+
+ Q_ASSERT((allowedRevisionCache.count() - 1) < Q_INT16_MAX);
data->metaObjectOffset = allowedRevisionCache.count() - 1;
- if (stringCache.contains(propName)) {
- RData *old = stringCache[propName];
- data->overrideIndexIsProperty = !bool(old->flags & Data::IsFunction);
- data->overrideIndex = old->coreIndex;
- stringCache[propName]->release();
+ QDeclarativePropertyData *old = 0;
+
+ if (utf8) {
+ QHashedString propName(QString::fromUtf8(str, cptr - str));
+ if (QDeclarativePropertyData **it = stringCache.value(propName))
+ old = *it;
+ stringCache.insert(propName, data);
+ } else {
+ QHashedCStringRef propName(str, cptr - str);
+ if (QDeclarativePropertyData **it = stringCache.value(propName))
+ old = *it;
+ stringCache.insert(propName, data);
}
- stringCache.insert(propName, data);
- data->addref();
+ QDeclarativeAccessorProperties::Property *accessorProperty = accessorProperties.property(str);
+
+ // Fast properties may not be overrides
+ Q_ASSERT(accessorProperty == 0 || old == 0);
+
+ if (accessorProperty) {
+ data->flags |= QDeclarativePropertyData::HasAccessors;
+ data->accessors = accessorProperty->accessors;
+ data->accessorData = accessorProperty->data;
+ } else if (old) {
+ data->overrideIndexIsProperty = !old->isFunction();
+ data->overrideIndex = old->coreIndex;
+ }
}
}
+void QDeclarativePropertyCache::resolve(QDeclarativePropertyData *data) const
+{
+ Q_ASSERT(data->notFullyResolved());
+
+ data->propType = QMetaType::type(data->propTypeName);
+
+ if (!data->isFunction())
+ data->flags |= flagsForPropertyType(data->propType, engine);
+
+ data->flags &= ~QDeclarativePropertyData::NotFullyResolved;
+}
+
void QDeclarativePropertyCache::updateRecur(QDeclarativeEngine *engine, const QMetaObject *metaObject)
{
if (!metaObject)
{
Q_ASSERT(engine);
Q_ASSERT(metaObject);
-
- clear();
-
- // Optimization to prevent unnecessary reallocation of lists
- indexCache.reserve(metaObject->propertyCount());
- methodIndexCache.reserve(metaObject->methodCount());
+ Q_ASSERT(stringCache.isEmpty());
+
+ // Preallocate enough space in the index caches for all the properties/methods/signals that
+ // are not cached in a parent cache so that the caches never need to be reallocated as this
+ // would invalidate pointers stored in the stringCache.
+ int pc = metaObject->propertyCount();
+ int mc = metaObject->methodCount();
+ int sc = metaObjectSignalCount(metaObject);
+ propertyIndexCache.reserve(pc - propertyIndexCacheStart);
+ methodIndexCache.reserve(mc - methodIndexCacheStart);
+ signalHandlerIndexCache.reserve(sc - signalHanderIndexCacheStart);
+
+ // Reserve enough space in the stringCache for all properties/methods/signals including those
+ // cached in a parent cache.
+ stringCache.reserve(pc + mc + sc);
updateRecur(engine,metaObject);
}
-QDeclarativePropertyCache::Data *
+QDeclarativePropertyData *
QDeclarativePropertyCache::property(int index) const
{
- if (index < 0 || index >= indexCache.count())
+ if (index < 0 || index >= (propertyIndexCacheStart + propertyIndexCache.count()))
return 0;
+
+ if (index < propertyIndexCacheStart)
+ return parent->property(index);
- return indexCache.at(index);
+ QDeclarativePropertyData *rv = const_cast<QDeclarativePropertyData *>(&propertyIndexCache.at(index - propertyIndexCacheStart));
+ if (rv->notFullyResolved()) resolve(rv);
+ return rv;
}
-QDeclarativePropertyCache::Data *
+QDeclarativePropertyData *
QDeclarativePropertyCache::method(int index) const
{
- if (index < 0 || index >= methodIndexCache.count())
+ if (index < 0 || index >= (methodIndexCacheStart + methodIndexCache.count()))
return 0;
- return methodIndexCache.at(index);
+ if (index < methodIndexCacheStart)
+ return parent->method(index);
+
+ QDeclarativePropertyData *rv = const_cast<QDeclarativePropertyData *>(&methodIndexCache.at(index - methodIndexCacheStart));
+ if (rv->notFullyResolved()) resolve(rv);
+ return rv;
}
-QDeclarativePropertyCache::Data *
+QDeclarativePropertyData *
+QDeclarativePropertyCache::property(const QHashedStringRef &str) const
+{
+ QDeclarativePropertyData **rv = stringCache.value(str);
+ if (rv && (*rv)->notFullyResolved()) resolve(*rv);
+ return rv?*rv:0;
+}
+
+QDeclarativePropertyData *
+QDeclarativePropertyCache::property(const QHashedCStringRef &str) const
+{
+ QDeclarativePropertyData **rv = stringCache.value(str);
+ if (rv && (*rv)->notFullyResolved()) resolve(*rv);
+ return rv?*rv:0;
+}
+
+QDeclarativePropertyData *
QDeclarativePropertyCache::property(const QString &str) const
{
- QDeclarativePropertyCache::RData **rv = stringCache.value(str);
+ QDeclarativePropertyData **rv = stringCache.value(str);
+ if (rv && (*rv)->notFullyResolved()) resolve(*rv);
return rv?*rv:0;
}
-QString QDeclarativePropertyCache::Data::name(QObject *object)
+QString QDeclarativePropertyData::name(QObject *object)
{
if (!object)
return QString();
return name(object->metaObject());
}
-QString QDeclarativePropertyCache::Data::name(const QMetaObject *metaObject)
+QString QDeclarativePropertyData::name(const QMetaObject *metaObject)
{
if (!metaObject || coreIndex == -1)
return QString();
return keys;
}
-QDeclarativePropertyCache::Data *
-QDeclarativePropertyCache::property(QDeclarativeEngine *engine, QObject *obj,
- v8::Handle<v8::String> name, Data &local)
+static int EnumType(const QMetaObject *meta, const QByteArray &str)
+{
+ QByteArray scope;
+ QByteArray name;
+ int scopeIdx = str.lastIndexOf("::");
+ if (scopeIdx != -1) {
+ scope = str.left(scopeIdx);
+ name = str.mid(scopeIdx + 2);
+ } else {
+ name = str;
+ }
+ for (int i = meta->enumeratorCount() - 1; i >= 0; --i) {
+ QMetaEnum m = meta->enumerator(i);
+ if ((m.name() == name) && (scope.isEmpty() || (m.scope() == scope)))
+ return QVariant::Int;
+ }
+ return QVariant::Invalid;
+}
+
+// Returns an array of the arguments for method \a index. The first entry in the array
+// is the number of arguments.
+int *QDeclarativePropertyCache::methodParameterTypes(QObject *object, int index,
+ QVarLengthArray<int, 9> &dummy,
+ QByteArray *unknownTypeError)
+{
+ Q_ASSERT(object && index >= 0);
+
+ QDeclarativeData *ddata = QDeclarativeData::get(object, false);
+
+ if (ddata && ddata->propertyCache) {
+ typedef QDeclarativePropertyCacheMethodArguments A;
+
+ QDeclarativePropertyCache *c = ddata->propertyCache;
+ Q_ASSERT(index < c->methodIndexCacheStart + c->methodIndexCache.count());
+
+ while (index < c->methodIndexCacheStart)
+ c = c->parent;
+
+ QDeclarativePropertyData *rv = const_cast<QDeclarativePropertyData *>(&c->methodIndexCache.at(index - c->methodIndexCacheStart));
+
+ if (rv->arguments)
+ return static_cast<A *>(rv->arguments)->arguments;
+
+ const QMetaObject *metaObject = object->metaObject();
+ QMetaMethod m = metaObject->method(index);
+ QList<QByteArray> argTypeNames = m.parameterTypes();
+
+ A *args = static_cast<A *>(malloc(sizeof(A) + (argTypeNames.count() + 1) * sizeof(int)));
+ args->arguments[0] = argTypeNames.count();
+
+ for (int ii = 0; ii < argTypeNames.count(); ++ii) {
+ int type = QMetaType::type(argTypeNames.at(ii));
+ if (type == QVariant::Invalid)
+ type = EnumType(object->metaObject(), argTypeNames.at(ii));
+ if (type == QVariant::Invalid) {
+ if (unknownTypeError) *unknownTypeError = argTypeNames.at(ii);
+ free(args);
+ return 0;
+ }
+ args->arguments[ii + 1] = type;
+ }
+
+ rv->arguments = args;
+ args->next = c->argumentsCache;
+ c->argumentsCache = args;
+ return static_cast<A *>(rv->arguments)->arguments;
+
+ } else {
+ QMetaMethod m = object->metaObject()->method(index);
+ QList<QByteArray> argTypeNames = m.parameterTypes();
+ dummy.resize(argTypeNames.count() + 1);
+ dummy[0] = argTypeNames.count();
+
+ for (int ii = 0; ii < argTypeNames.count(); ++ii) {
+ int type = QMetaType::type(argTypeNames.at(ii));
+ if (type == QVariant::Invalid)
+ type = EnumType(object->metaObject(), argTypeNames.at(ii));
+ if (type == QVariant::Invalid) {
+ if (unknownTypeError) *unknownTypeError = argTypeNames.at(ii);
+ return 0;
+ }
+ dummy[ii + 1] = type;
+ }
+
+ return dummy.data();
+ }
+}
+
+QDeclarativePropertyData qDeclarativePropertyCacheCreate(const QMetaObject *metaObject,
+ const QString &property)
+{
+ Q_ASSERT(metaObject);
+
+ QDeclarativePropertyData rv;
+ {
+ const QMetaObject *cmo = metaObject;
+ const QByteArray propertyName = property.toUtf8();
+ while (cmo) {
+ int idx = cmo->indexOfProperty(propertyName);
+ if (idx != -1) {
+ QMetaProperty p = cmo->property(idx);
+ if (p.isScriptable()) {
+ rv.load(p);
+ return rv;
+ } else {
+ while (cmo && cmo->propertyOffset() >= idx)
+ cmo = cmo->superClass();
+ }
+ } else {
+ cmo = 0;
+ }
+ }
+ }
+
+ int methodCount = metaObject->methodCount();
+ int defaultMethods = QObject::staticMetaObject.methodCount();
+ for (int ii = methodCount - 1; ii >= defaultMethods; --ii) {
+ // >=defaultMethods to block the signals and slots of QObject::staticMetaObject
+ // incl. destroyed signals, objectNameChanged signal, deleteLater slot, _q_reregisterTimers slot.
+ QMetaMethod m = metaObject->method(ii);
+ if (m.access() == QMetaMethod::Private)
+ continue;
+ QString methodName = QString::fromUtf8(m.signature());
+
+ int parenIdx = methodName.indexOf(QLatin1Char('('));
+ Q_ASSERT(parenIdx != -1);
+ QStringRef methodNameRef = methodName.leftRef(parenIdx);
+
+ if (methodNameRef == property) {
+ rv.load(m);
+ return rv;
+ }
+ }
+
+ return rv;
+}
+
+inline const QString &qDeclarativePropertyCacheToString(const QString &string)
+{
+ return string;
+}
+
+inline QString qDeclarativePropertyCacheToString(const QHashedV8String &string)
+{
+ return QV8Engine::toStringStatic(string.string());
+}
+
+template<typename T>
+QDeclarativePropertyData *
+qDeclarativePropertyCacheProperty(QDeclarativeEngine *engine, QObject *obj,
+ const T &name, QDeclarativePropertyData &local)
{
- // XXX Optimize for worker script case where engine isn't available
QDeclarativePropertyCache *cache = 0;
- if (engine) {
- QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine);
+ if (engine) {
QDeclarativeData *ddata = QDeclarativeData::get(obj);
- if (ddata && ddata->propertyCache && ddata->propertyCache->qmlEngine() == engine) // XXX aakenend
+
+ if (ddata && ddata->propertyCache) {
cache = ddata->propertyCache;
- if (!cache) {
+ } else if (engine) {
+ QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine);
cache = ep->cache(obj);
- if (cache && ddata && !ddata->propertyCache) { cache->addref(); ddata->propertyCache = cache; }
+ if (cache) {
+ ddata = QDeclarativeData::get(obj, true);
+ cache->addref();
+ ddata->propertyCache = cache;
+ }
}
}
- QDeclarativePropertyCache::Data *rv = 0;
+ QDeclarativePropertyData *rv = 0;
if (cache) {
rv = cache->property(name);
} else {
- QString strname = QV8Engine::toStringStatic(name);
- // QString strname = ep->v8engine.toString(name);
- local = QDeclarativePropertyCache::create(obj->metaObject(), strname);
+ local = qDeclarativePropertyCacheCreate(obj->metaObject(),
+ qDeclarativePropertyCacheToString(name));
if (local.isValid())
rv = &local;
}
return rv;
}
-QDeclarativePropertyCache::Data *
+QDeclarativePropertyData *
QDeclarativePropertyCache::property(QDeclarativeEngine *engine, QObject *obj,
- const QString &name, Data &local)
+ const QHashedV8String &name, QDeclarativePropertyData &local)
{
- QDeclarativePropertyCache::Data *rv = 0;
-
- if (!engine) {
- local = QDeclarativePropertyCache::create(obj->metaObject(), name);
- if (local.isValid())
- rv = &local;
- } else {
- QDeclarativeEnginePrivate *enginePrivate = QDeclarativeEnginePrivate::get(engine);
+ return qDeclarativePropertyCacheProperty<QHashedV8String>(engine, obj, name, local);
+}
- QDeclarativePropertyCache *cache = 0;
- QDeclarativeData *ddata = QDeclarativeData::get(obj);
- if (ddata && ddata->propertyCache && ddata->propertyCache->qmlEngine() == engine)
- cache = ddata->propertyCache;
- if (!cache) {
- cache = enginePrivate->cache(obj);
- if (cache && ddata && !ddata->propertyCache) { cache->addref(); ddata->propertyCache = cache; }
- }
+QDeclarativePropertyData *
+QDeclarativePropertyCache::property(QDeclarativeEngine *engine, QObject *obj,
+ const QString &name, QDeclarativePropertyData &local)
+{
+ return qDeclarativePropertyCacheProperty<QString>(engine, obj, name, local);
+}
- if (cache) {
- rv = cache->property(name);
- } else {
- local = QDeclarativePropertyCache::create(obj->metaObject(), name);
- if (local.isValid())
- rv = &local;
- }
- }
+static inline const QMetaObjectPrivate *priv(const uint* data)
+{ return reinterpret_cast<const QMetaObjectPrivate*>(data); }
- return rv;
+bool QDeclarativePropertyCache::isDynamicMetaObject(const QMetaObject *mo)
+{
+ return priv(mo->d.data)->revision >= 3 && priv(mo->d.data)->flags & DynamicMetaObject;
}
QT_END_NAMESPACE