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Diffstat (limited to 'src/script/qscriptvalueimpl_p.h')
| -rw-r--r-- | src/script/qscriptvalueimpl_p.h | 786 |
1 files changed, 0 insertions, 786 deletions
diff --git a/src/script/qscriptvalueimpl_p.h b/src/script/qscriptvalueimpl_p.h deleted file mode 100644 index d1fdf43..0000000 --- a/src/script/qscriptvalueimpl_p.h +++ /dev/null @@ -1,786 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtScript module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://qt.nokia.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QSCRIPTVALUEIMPL_P_H -#define QSCRIPTVALUEIMPL_P_H - -#include "qscriptvalueimplfwd_p.h" - -#ifndef QT_NO_SCRIPT - -#include "qscriptclassinfo_p.h" -#include "qscriptecmaarray_p.h" -#include "qscriptecmadate_p.h" -#include "qscriptecmaerror_p.h" -#include "qscriptecmaregexp_p.h" -#include "qscriptextqobject_p.h" -#include "qscriptextvariant_p.h" -#include "qscriptvaluefwd_p.h" -#include "qscriptnameid_p.h" -#include "qscriptenginefwd_p.h" -#include "qscriptcontextfwd_p.h" - -#include <QtCore/QDateTime> - -QT_BEGIN_NAMESPACE - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -inline QScriptValueImpl::QScriptValueImpl() - : m_type(QScript::InvalidType) {} - -inline QScriptValueImpl::QScriptValueImpl(QScriptValue::SpecialValue val) -{ - if (val == QScriptValue::NullValue) - m_type = QScript::NullType; - else if (val == QScriptValue::UndefinedValue) - m_type = QScript::UndefinedType; - else - m_type = QScript::InvalidType; -} - -inline QScriptValueImpl::QScriptValueImpl(bool val) - : m_type(QScript::BooleanType), m_bool_value(val) -{ -} - -inline QScriptValueImpl::QScriptValueImpl(int val) - : m_type(QScript::NumberType), m_number_value(val) -{ -} - -inline QScriptValueImpl::QScriptValueImpl(uint val) - : m_type(QScript::NumberType), m_number_value(val) -{ -} - -inline QScriptValueImpl::QScriptValueImpl(qsreal val) - : m_type(QScript::NumberType), m_number_value(val) -{ -} - -inline QScriptValueImpl::QScriptValueImpl(QScriptEnginePrivate *engine, const QString &val) -{ - engine->newString(this, val); -} - -inline QScriptValueImpl::QScriptValueImpl(QScriptNameIdImpl *val) - : m_type(QScript::StringType), m_string_value(val) -{ -} - -inline QScript::Type QScriptValueImpl::type() const -{ - return m_type; -} - -inline QScriptEnginePrivate *QScriptValueImpl::engine() const -{ - if (!isObject()) - return 0; - return m_object_value->m_class->engine(); -} - -inline QScriptClassInfo *QScriptValueImpl::classInfo() const -{ - if (!isObject()) - return 0; - return m_object_value->m_class; -} - -inline void QScriptValueImpl::setClassInfo(QScriptClassInfo *cls) -{ - Q_ASSERT(isObject()); - m_object_value->m_class = cls; -} - -inline QScriptNameIdImpl *QScriptValueImpl::stringValue() const -{ - Q_ASSERT(isString()); - return m_string_value; -} - -inline QScriptObject *QScriptValueImpl::objectValue() const -{ - Q_ASSERT(isObject()); - return m_object_value; -} - -inline void QScriptValueImpl::incr() -{ - ++m_number_value; -} - -inline void QScriptValueImpl::decr() -{ - --m_number_value; -} - -inline void QScriptValueImpl::invalidate() -{ - m_type = QScript::InvalidType; -} - -inline bool QScriptValueImpl::isValid() const -{ - return m_type != QScript::InvalidType; -} - -inline bool QScriptValueImpl::isUndefined() const -{ - return (m_type == QScript::UndefinedType); -} - -inline bool QScriptValueImpl::isNull() const -{ - return (m_type == QScript::NullType); -} - -inline bool QScriptValueImpl::isBoolean() const -{ - return (m_type == QScript::BooleanType); -} - -inline bool QScriptValueImpl::isNumber() const -{ - return (m_type == QScript::NumberType); -} - -inline bool QScriptValueImpl::isString() const -{ - return (m_type == QScript::StringType) - || (m_type == QScript::LazyStringType); -} - -inline bool QScriptValueImpl::isReference() const -{ - return (m_type == QScript::ReferenceType); -} - -inline bool QScriptValueImpl::isObject() const -{ - return (m_type == QScript::ObjectType); -} - -inline bool QScriptValueImpl::isFunction() const -{ - return (m_type == QScript::ObjectType) - && (classInfo()->type() & QScriptClassInfo::FunctionBased); -} - -inline bool QScriptValueImpl::isVariant() const -{ - return (m_type == QScript::ObjectType) - && (classInfo()->type() == QScriptClassInfo::VariantType); -} - -inline bool QScriptValueImpl::isQObject() const -{ - return (m_type == QScript::ObjectType) - && (classInfo()->type() == QScriptClassInfo::QObjectType); -} - -inline bool QScriptValueImpl::isQMetaObject() const -{ - return (m_type == QScript::ObjectType) - && (classInfo()->type() == QScriptClassInfo::QMetaObjectType); -} - -inline bool QScriptValueImpl::isArray() const -{ - if (!isObject()) - return false; - return classInfo() == engine()->arrayConstructor->classInfo(); -} - -inline bool QScriptValueImpl::isDate() const -{ - if (!isObject()) - return false; - return classInfo() == engine()->dateConstructor->classInfo(); -} - -inline bool QScriptValueImpl::isError() const -{ - if (!isObject()) - return false; - return classInfo() == engine()->errorConstructor->classInfo(); -} - -inline bool QScriptValueImpl::isRegExp() const -{ - if (!isObject()) - return false; - return classInfo() == engine()->regexpConstructor->classInfo(); -} - -inline qsreal QScriptValueImpl::toNumber() const -{ - if (!isValid()) - return 0; - return QScriptEnginePrivate::convertToNativeDouble(*this); -} - -inline bool QScriptValueImpl::toBoolean() const -{ - if (!isValid()) - return false; - return QScriptEnginePrivate::convertToNativeBoolean(*this); -} - -inline QString QScriptValueImpl::toString() const -{ - if (!isValid()) - return QString(); - return QScriptEnginePrivate::convertToNativeString(*this); -} - -inline qint32 QScriptValueImpl::toInt32() const -{ - if (!isValid()) - return 0; - double d = QScriptEnginePrivate::convertToNativeDouble(*this); - return QScriptEnginePrivate::toInt32(d); -} - -inline quint32 QScriptValueImpl::toUInt32() const -{ - if (!isValid()) - return 0; - double d = QScriptEnginePrivate::convertToNativeDouble(*this); - return QScriptEnginePrivate::toUint32(d); -} - -inline quint16 QScriptValueImpl::toUInt16() const -{ - if (!isValid()) - return 0; - double d = QScriptEnginePrivate::convertToNativeDouble(*this); - return QScriptEnginePrivate::toUint16(d); -} - -inline qsreal QScriptValueImpl::toInteger() const -{ - if (!isValid()) - return 0; - double d = QScriptEnginePrivate::convertToNativeDouble(*this); - return QScriptEnginePrivate::toInteger(d); -} - -inline QDateTime QScriptValueImpl::toDateTime() const -{ - if (!isDate()) - return QDateTime(); - return engine()->toDateTime(*this); -} - -#ifndef QT_NO_REGEXP -inline QRegExp QScriptValueImpl::toRegExp() const -{ - if (!isRegExp()) - return QRegExp(); - return engine()->regexpConstructor->toRegExp(*this); -} -#endif // QT_NO_REGEXP - -inline QObject *QScriptValueImpl::toQObject() const -{ -#ifndef QT_NO_QOBJECT - if (isQObject()) { - QScript::ExtQObject *ctor = engine()->qobjectConstructor; - Q_ASSERT(ctor != 0); - - QScript::ExtQObject::Instance *data = ctor->get(*this); - Q_ASSERT(data != 0); - - return data->value; - } else if (isVariant()) { - int type = variantValue().userType(); - if ((type == QMetaType::QObjectStar) || (type == QMetaType::QWidgetStar)) - return *reinterpret_cast<QObject* const *>(variantValue().constData()); - } -#endif - return 0; -} - -inline const QMetaObject *QScriptValueImpl::toQMetaObject() const -{ -#ifndef QT_NO_QOBJECT - if (isQMetaObject()) { - QScript::ExtQMetaObject *ctor = engine()->qmetaObjectConstructor; - Q_ASSERT(ctor != 0); - - QScript::ExtQMetaObject::Instance *data = ctor->get(*this); - Q_ASSERT(data != 0); - - return data->value; - } -#endif - return 0; -} - -inline QScriptValueImpl QScriptValueImpl::prototype() const -{ - if (!isObject()) - return QScriptValueImpl(); - return m_object_value->m_prototype; -} - -inline void QScriptValueImpl::setPrototype(const QScriptValueImpl &prototype) -{ - if (isObject()) - m_object_value->m_prototype = prototype; -} - -inline QScriptObjectData *QScriptValueImpl::objectData() const -{ - Q_ASSERT(isObject()); - return m_object_value->m_data; -} - -inline void QScriptValueImpl::setObjectData(QScriptObjectData *data) -{ - Q_ASSERT(isObject()); - m_object_value->m_data = data; -} - -inline bool QScriptValueImpl::resolve(QScriptNameIdImpl *nameId, QScript::Member *member, - QScriptValueImpl *object, QScriptValue::ResolveFlags mode, - QScript::AccessMode access) const -{ - Q_ASSERT(isValid()); - Q_ASSERT(isObject()); - Q_ASSERT(member); - Q_ASSERT(object); - - Q_ASSERT(nameId->unique); - - QScriptObject *object_data = m_object_value; - - // Search in properties... - if (object_data->findMember(nameId, member)) { - *object = *this; - return true; - } - - return resolve_helper(nameId, member, object, mode, access); -} - -inline void QScriptValueImpl::get(const QScript::Member &member, QScriptValueImpl *out) const -{ - Q_ASSERT(out); - Q_ASSERT(isObject()); - Q_ASSERT(member.isValid()); - - if (! member.isObjectProperty()) { - get_helper(member, out); - return; - } - - Q_ASSERT(member.id() >= 0); - Q_ASSERT(member.id() < m_object_value->memberCount()); - - m_object_value->get(member, out); -} - -inline void QScriptValueImpl::get(QScriptNameIdImpl *nameId, QScriptValueImpl *out) -{ - QScript::Member m; - QScriptValueImpl o; - if (resolve(nameId, &m, &o, QScriptValue::ResolvePrototype, QScript::Read)) - o.get(m, out); - else - *out = QScriptValueImpl(QScriptValue::UndefinedValue); -} - -inline void QScriptValueImpl::get_helper(const QScript::Member &member, QScriptValueImpl *out) const -{ - if (member.nameId() == engine()->idTable()->id___proto__) { - *out = prototype(); - - if (!out->isValid()) - *out = QScriptValueImpl(QScriptValue::UndefinedValue); - - return; - } - - if (QScriptClassData *data = classInfo()->data()) { - if (data->get(*this, member, out)) - return; - } - - out->invalidate(); -} - -inline void QScriptValueImpl::put(const QScript::Member &member, const QScriptValueImpl &value) -{ - Q_ASSERT(isObject()); - Q_ASSERT(member.isValid()); - // Q_ASSERT(member.isWritable()); - - QScriptEnginePrivate *eng_p = engine(); - - if (member.isObjectProperty()) { - Q_ASSERT(member.nameId()->unique); - Q_ASSERT(member.id() >= 0); - Q_ASSERT(member.id() < m_object_value->memberCount()); - m_object_value->put(member, value); - } - - else if (member.nameId() == eng_p->idTable()->id___proto__) { - if (value.isNull()) // only Object.prototype.__proto__ can be null - setPrototype(eng_p->undefinedValue()); - else { - QScriptValueImpl was = prototype(); - setPrototype(value); - if (detectedCycle()) { - eng_p->currentContext()->throwError(QLatin1String("cycle in prototype chain")); - setPrototype(was); - } - } - } - - else { - Q_ASSERT(classInfo()->data()); - classInfo()->data()->put(this, member, value); - } -} - -inline void QScriptValueImpl::setQObjectValue(QObject *object) -{ -#ifndef QT_NO_QOBJECT - Q_ASSERT(isQObject()); - - QScript::ExtQObject *ctor = engine()->qobjectConstructor; - Q_ASSERT(ctor != 0); - - QScript::ExtQObject::Instance *data = ctor->get(*this); - Q_ASSERT(data != 0); - - data->value = object; -#else - Q_UNUSED(object); -#endif -} - -inline QVariant &QScriptValueImpl::variantValue() const -{ - Q_ASSERT(isVariant()); - - QScript::Ext::Variant *ctor = engine()->variantConstructor; - Q_ASSERT(ctor != 0); - - QScript::Ext::Variant::Instance *data = ctor->get(*this); - Q_ASSERT(data != 0); - - return data->value; -} - -inline void QScriptValueImpl::setVariantValue(const QVariant &value) -{ - if (!isVariant()) - return; - - QScript::Ext::Variant *ctor = engine()->variantConstructor; - Q_ASSERT(ctor != 0); - - QScript::Ext::Variant::Instance *data = ctor->get(*this); - Q_ASSERT(data != 0); - - data->value = value; -} - -inline QScriptValueImpl QScriptValueImpl::internalValue() const -{ - Q_ASSERT(isObject()); - return m_object_value->m_internalValue; -} - -inline void QScriptValueImpl::setInternalValue(const QScriptValueImpl &internalValue) -{ - Q_ASSERT(isObject()); - m_object_value->m_internalValue = internalValue; -} - -inline void QScriptValueImpl::removeMember(const QScript::Member &member) -{ - if (member.isObjectProperty()) - m_object_value->removeMember(member); - - else if (QScriptClassData *data = classInfo()->data()) - data->removeMember(*this, member); -} - -inline void QScriptValueImpl::createMember(QScriptNameIdImpl *nameId, - QScript::Member *member, uint flags) -{ - Q_ASSERT(isObject()); - - QScriptObject *object_data = m_object_value; - object_data->createMember(nameId, member, flags); - Q_ASSERT(member->isObjectProperty()); -} - -inline QScriptValueImpl QScriptValueImpl::scope() const -{ - Q_ASSERT(isObject()); - return m_object_value->m_scope; -} - -inline void QScriptValueImpl::setScope(const QScriptValueImpl &scope) -{ - Q_ASSERT(isObject()); - m_object_value->m_scope = scope; -} - -inline int QScriptValueImpl::memberCount() const -{ - Q_ASSERT(isObject()); - return m_object_value->memberCount(); -} - -inline void QScriptValueImpl::member(int index, QScript::Member *member) const -{ - Q_ASSERT(isObject()); - Q_ASSERT(index >= 0); - Q_ASSERT(index < m_object_value->memberCount()); - m_object_value->member(index, member); -} - -inline QScriptFunction *QScriptValueImpl::toFunction() const -{ - if (!isFunction()) - return 0; - return engine()->convertToNativeFunction(*this); -} - -inline QScriptValueImpl QScriptValueImpl::property(QScriptNameIdImpl *nameId, - const QScriptValue::ResolveFlags &mode) const -{ - if (!isObject()) - return QScriptValueImpl(); - - QScriptValueImpl base; - QScript::Member member; - - if (! resolve(nameId, &member, &base, mode, QScript::Read)) - return QScriptValueImpl(); - - QScriptValueImpl value; - base.get(member, &value); - if (member.isGetterOrSetter()) { - QScriptValueImpl getter; - if (member.isObjectProperty() && !member.isGetter()) { - if (!base.m_object_value->findGetter(&member)) - return QScriptValueImpl(); - } - base.get(member, &getter); - value = getter.call(*this); - } - return value; -} - -inline void QScriptValueImpl::setProperty(const QString &name, const QScriptValueImpl &value, - const QScriptValue::PropertyFlags &flags) -{ - if (!isObject()) - return; - QScriptNameIdImpl *nameId = engine()->nameId(name); - setProperty(nameId, value, flags); -} - -inline QScriptValueImpl QScriptValueImpl::property(const QString &name, - const QScriptValue::ResolveFlags &mode) const -{ - if (!isObject()) - return QScriptValueImpl(); - QScriptNameIdImpl *nameId = engine()->nameId(name); - return property(nameId, mode); -} - -inline QScriptValueImpl QScriptValueImpl::property(quint32 arrayIndex, - const QScriptValue::ResolveFlags &mode) const -{ - if (!isObject()) - return QScriptValueImpl(); - - QScriptEnginePrivate *eng_p = engine(); - QScript::Ecma::Array::Instance *instance = eng_p->arrayConstructor->get(*this); - if (instance && (arrayIndex != 0xFFFFFFFF)) - return instance->value.at(arrayIndex); - - return property(QScriptValueImpl(arrayIndex).toString(), mode); -} - -inline void QScriptValueImpl::setProperty(quint32 arrayIndex, const QScriptValueImpl &value, - const QScriptValue::PropertyFlags &flags) -{ - if (!isObject()) - return; - - QScriptEnginePrivate *eng_p = engine(); - QScript::Ecma::Array::Instance *instance = eng_p->arrayConstructor->get(*this); - if (instance && (arrayIndex != 0xFFFFFFFF)) { - instance->value.assign(arrayIndex, value); - return; - } - - setProperty(QScriptValueImpl(arrayIndex).toString(), value, flags); -} - -inline QScriptValue::PropertyFlags QScriptValueImpl::propertyFlags(const QString &name, - const QScriptValue::ResolveFlags &mode) const -{ - QScriptNameIdImpl *nameId = engine()->nameId(name); - return propertyFlags(nameId, mode); -} - -inline QScriptValue::PropertyFlags QScriptValueImpl::propertyFlags(QScriptNameIdImpl *nameId, - const QScriptValue::ResolveFlags &mode) const -{ - if (!isObject()) - return 0; - - QScriptValueImpl base; - QScript::Member member; - if (! resolve(nameId, &member, &base, mode, QScript::ReadWrite)) - return 0; - - return QScriptValue::PropertyFlags(member.flags() & ~QScript::Member::InternalRange); -} - -inline bool QScriptValueImpl::deleteProperty(QScriptNameIdImpl *nameId, - const QScriptValue::ResolveFlags &mode) -{ - if (!isObject()) - return true; - QScript::Member member; - QScriptValueImpl base; - if (resolve(nameId, &member, &base, mode, QScript::Write)) { - if (!member.isDeletable()) - return false; - base.removeMember(member); - if (member.isGetterOrSetter() && (member.isGetter() != member.isSetter())) { - // delete the "other half" of the property too (getter or setter) - return deleteProperty(nameId, mode); - } - } - return true; -} - -inline QScriptValueImpl QScriptValueImpl::call(const QScriptValueImpl &thisObject, - const QScriptValueImplList &args) -{ - if (!isFunction()) - return QScriptValueImpl(); - - return engine()->call(*this, thisObject, args, /*asConstructor=*/false); -} - -inline QScriptValueImpl QScriptValueImpl::call(const QScriptValueImpl &thisObject, - const QScriptValueImpl &args) -{ - if (!isFunction()) - return QScriptValueImpl(); - - return engine()->call(*this, thisObject, args, /*asConstructor=*/false); -} - -inline QScriptValueImpl QScriptValueImpl::construct(const QScriptValueImplList &args) -{ - if (!isFunction()) - return QScriptValueImpl(); - - QScriptEnginePrivate *eng_p = engine(); - - QScriptValueImpl proto = property(QLatin1String("prototype"), QScriptValue::ResolveLocal); - QScriptValueImpl object; - eng_p->newObject(&object, proto); - - QScriptValueImpl result = eng_p->call(*this, object, args, /*asConstructor=*/true); - if (result.isObject()) - return result; - return object; -} - -inline QScriptValueImpl QScriptValueImpl::construct(const QScriptValueImpl &args) -{ - if (!isFunction()) - return QScriptValueImpl(); - - QScriptEnginePrivate *eng_p = engine(); - - QScriptValueImpl proto = property(QLatin1String("prototype"), QScriptValue::ResolveLocal); - QScriptValueImpl object; - eng_p->newObject(&object, proto); - - QScriptValueImpl result = eng_p->call(*this, object, args, /*asConstructor=*/true); - if (result.isObject()) - return result; - return object; -} - -inline void QScriptValueImpl::mark(int generation) const -{ - if (! isValid()) - return; - - else if (isString()) - engine()->markString(m_string_value, generation); - - else if (isObject()) - engine()->markObject(*this, generation); -} - -QT_END_NAMESPACE - -#endif // QT_NO_SCRIPT - -#endif |