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Diffstat (limited to 'src/script/bridge/qscriptqobject.cpp')
| -rw-r--r-- | src/script/bridge/qscriptqobject.cpp | 2221 |
1 files changed, 2221 insertions, 0 deletions
diff --git a/src/script/bridge/qscriptqobject.cpp b/src/script/bridge/qscriptqobject.cpp new file mode 100644 index 0000000..b7a0e44 --- /dev/null +++ b/src/script/bridge/qscriptqobject.cpp @@ -0,0 +1,2221 @@ +/**************************************************************************** +** +** 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://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "config.h" +#include "qscriptqobject_p.h" + +#include <QtCore/qmetaobject.h> +#include <QtCore/qvarlengtharray.h> +#include <QtCore/qdebug.h> +#include <QtScript/qscriptable.h> +#include "../api/qscriptengine_p.h" +#include "../api/qscriptable_p.h" +#include "../api/qscriptcontext_p.h" +#include "qscriptfunction_p.h" + +#include "Error.h" +#include "PrototypeFunction.h" +#include "PropertyNameArray.h" +#include "JSFunction.h" +#include "JSString.h" +#include "JSValue.h" +#include "JSArray.h" +#include "RegExpObject.h" +#include "RegExpConstructor.h" + +QT_BEGIN_NAMESPACE + +namespace JSC +{ +ASSERT_CLASS_FITS_IN_CELL(QScript::QObjectPrototype); +ASSERT_CLASS_FITS_IN_CELL(QScript::QMetaObjectWrapperObject); +ASSERT_CLASS_FITS_IN_CELL(QScript::QMetaObjectPrototype); +ASSERT_CLASS_FITS_IN_CELL(QScript::QtFunction); +ASSERT_CLASS_FITS_IN_CELL(QScript::QtPropertyFunction); +} + +namespace QScript +{ + +struct QObjectConnection +{ + int slotIndex; + JSC::JSValue receiver; + JSC::JSValue slot; + JSC::JSValue senderWrapper; + + QObjectConnection(int i, JSC::JSValue r, JSC::JSValue s, + JSC::JSValue sw) + : slotIndex(i), receiver(r), slot(s), senderWrapper(sw) {} + QObjectConnection() : slotIndex(-1) {} + + bool hasTarget(JSC::JSValue r, JSC::JSValue s) const + { + if ((r && r.isObject()) != (receiver && receiver.isObject())) + return false; + if (((r && r.isObject()) && (receiver && receiver.isObject())) + && (r != receiver)) { + return false; + } + return (s == slot); + } + + void mark() + { + if (senderWrapper && !senderWrapper.marked()) { + // see if the sender should be marked or not + Q_ASSERT(senderWrapper.isObject(&QScriptObject::info)); + QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(senderWrapper)); + QScriptObjectDelegate *delegate = scriptObject->delegate(); + Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject)); + QObjectDelegate *inst = static_cast<QObjectDelegate*>(delegate); + if ((inst->ownership() == QScriptEngine::ScriptOwnership) + || ((inst->ownership() == QScriptEngine::AutoOwnership) + && inst->value() && !inst->value()->parent())) { + senderWrapper = JSC::JSValue(); + } else { + senderWrapper.mark(); + } + } + if (receiver && !receiver.marked()) + receiver.mark(); + if (slot && !slot.marked()) + slot.mark(); + } +}; + +class QObjectNotifyCaller : public QObject +{ +public: + void callConnectNotify(const char *signal) + { connectNotify(signal); } + void callDisconnectNotify(const char *signal) + { disconnectNotify(signal); } +}; + +class QObjectConnectionManager: public QObject +{ +public: + QObjectConnectionManager(QScriptEnginePrivate *engine); + ~QObjectConnectionManager(); + + bool addSignalHandler(QObject *sender, int signalIndex, + JSC::JSValue receiver, + JSC::JSValue slot, + JSC::JSValue senderWrapper, + Qt::ConnectionType type); + bool removeSignalHandler(QObject *sender, int signalIndex, + JSC::JSValue receiver, + JSC::JSValue slot); + + static const QMetaObject staticMetaObject; + virtual const QMetaObject *metaObject() const; + virtual void *qt_metacast(const char *); + virtual int qt_metacall(QMetaObject::Call, int, void **argv); + + void execute(int slotIndex, void **argv); + + void mark(); + +private: + QScriptEnginePrivate *engine; + int slotCounter; + QVector<QVector<QObjectConnection> > connections; +}; + +static bool hasMethodAccess(const QMetaMethod &method, int index, const QScriptEngine::QObjectWrapOptions &opt) +{ + return (method.access() != QMetaMethod::Private) + && ((index != 2) || !(opt & QScriptEngine::ExcludeDeleteLater)); +} + +static bool isEnumerableMetaProperty(const QMetaProperty &prop, + const QMetaObject *mo, int index) +{ + return prop.isScriptable() && prop.isValid() + // the following lookup is to ensure that we have the + // "most derived" occurrence of the property with this name + && (mo->indexOfProperty(prop.name()) == index); +} + +static inline QByteArray methodName(const QMetaMethod &method) +{ + QByteArray signature = method.signature(); + return signature.left(signature.indexOf('(')); +} + +static QVariant variantFromValue(QScriptEnginePrivate *eng, + int targetType, const QScriptValue &value) +{ + QVariant v(targetType, (void *)0); + Q_ASSERT(eng); + if (QScriptEnginePrivate::convert(value, targetType, v.data(), eng)) + return v; + if (uint(targetType) == QVariant::LastType) + return value.toVariant(); + if (value.isVariant()) { + v = value.toVariant(); + if (v.canConvert(QVariant::Type(targetType))) { + v.convert(QVariant::Type(targetType)); + return v; + } + QByteArray typeName = v.typeName(); + if (typeName.endsWith('*') + && (QMetaType::type(typeName.left(typeName.size()-1)) == targetType)) { + return QVariant(targetType, *reinterpret_cast<void* *>(v.data())); + } + } + + return QVariant(); +} + +static const bool GeneratePropertyFunctions = true; + +static unsigned flagsForMetaProperty(const QMetaProperty &prop) +{ + return (JSC::DontDelete + | (!prop.isWritable() ? unsigned(JSC::ReadOnly) : unsigned(0)) + | (GeneratePropertyFunctions + ? unsigned(JSC::Getter | JSC::Setter) + : unsigned(0)) + | QObjectMemberAttribute); +} + +static int indexOfMetaEnum(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 i; + } + return -1; +} + +static inline QScriptable *scriptableFromQObject(QObject *qobj) +{ + void *ptr = qobj->qt_metacast("QScriptable"); + return reinterpret_cast<QScriptable*>(ptr); +} + +QtFunction::QtFunction(JSC::JSValue object, int initialIndex, bool maybeOverloaded, + JSC::JSGlobalData *data, WTF::PassRefPtr<JSC::Structure> sid, + const JSC::Identifier &ident) + : JSC::InternalFunction(data, sid, ident), + data(new Data(object, initialIndex, maybeOverloaded)) +{ +} + +QtFunction::~QtFunction() +{ + delete data; +} + +JSC::CallType QtFunction::getCallData(JSC::CallData &callData) +{ + callData.native.function = call; + return JSC::CallTypeHost; +} + +void QtFunction::mark() +{ + Q_ASSERT(!marked()); + if (data->object && !data->object.marked()) + data->object.mark(); + JSC::InternalFunction::mark(); +} + +QScriptObject *QtFunction::wrapperObject() const +{ + Q_ASSERT(JSC::asObject(data->object)->inherits(&QScriptObject::info)); + return static_cast<QScriptObject*>(JSC::asObject(data->object)); +} + +QObject *QtFunction::qobject() const +{ + QScriptObject *scriptObject = wrapperObject(); + QScriptObjectDelegate *delegate = scriptObject->delegate(); + Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject)); + return static_cast<QScript::QObjectDelegate*>(delegate)->value(); +} + +const QMetaObject *QtFunction::metaObject() const +{ + QObject *qobj = qobject(); + if (!qobj) + return 0; + return qobj->metaObject(); +} + +int QtFunction::initialIndex() const +{ + return data->initialIndex; +} + +bool QtFunction::maybeOverloaded() const +{ + return data->maybeOverloaded; +} + +int QtFunction::mostGeneralMethod(QMetaMethod *out) const +{ + const QMetaObject *meta = metaObject(); + if (!meta) + return -1; + int index = initialIndex(); + QMetaMethod method = meta->method(index); + if (maybeOverloaded() && (method.attributes() & QMetaMethod::Cloned)) { + // find the most general method + do { + method = meta->method(--index); + } while (method.attributes() & QMetaMethod::Cloned); + } + if (out) + *out = method; + return index; +} + +QList<int> QScript::QtFunction::overloadedIndexes() const +{ + if (!maybeOverloaded()) + return QList<int>(); + QList<int> result; + QString name = functionName(); + const QMetaObject *meta = metaObject(); + for (int index = mostGeneralMethod() - 1; index >= 0; --index) { + QString otherName = QString::fromLatin1(methodName(meta->method(index))); + if (otherName == name) + result.append(index); + } + return result; +} + +QString QtFunction::functionName() const +{ + const QMetaObject *meta = metaObject(); + if (!meta) + return QString(); + QMetaMethod method = meta->method(initialIndex()); + return QLatin1String(methodName(method)); +} + +class QScriptMetaType +{ +public: + enum Kind { + Invalid, + Variant, + MetaType, + Unresolved, + MetaEnum + }; + + inline QScriptMetaType() + : m_kind(Invalid) { } + + inline Kind kind() const + { return m_kind; } + + int typeId() const; + + inline bool isValid() const + { return (m_kind != Invalid); } + + inline bool isVariant() const + { return (m_kind == Variant); } + + inline bool isMetaType() const + { return (m_kind == MetaType); } + + inline bool isUnresolved() const + { return (m_kind == Unresolved); } + + inline bool isMetaEnum() const + { return (m_kind == MetaEnum); } + + QByteArray name() const; + + inline int enumeratorIndex() const + { Q_ASSERT(isMetaEnum()); return m_typeId; } + + inline bool operator==(const QScriptMetaType &other) const + { + return (m_kind == other.m_kind) && (m_typeId == other.m_typeId); + } + + static inline QScriptMetaType variant() + { return QScriptMetaType(Variant); } + + static inline QScriptMetaType metaType(int typeId, const QByteArray &name) + { return QScriptMetaType(MetaType, typeId, name); } + + static inline QScriptMetaType metaEnum(int enumIndex, const QByteArray &name) + { return QScriptMetaType(MetaEnum, enumIndex, name); } + + static inline QScriptMetaType unresolved(const QByteArray &name) + { return QScriptMetaType(Unresolved, /*typeId=*/0, name); } + +private: + inline QScriptMetaType(Kind kind, int typeId = 0, const QByteArray &name = QByteArray()) + : m_kind(kind), m_typeId(typeId), m_name(name) { } + + Kind m_kind; + int m_typeId; + QByteArray m_name; +}; + +int QScriptMetaType::typeId() const +{ + if (isVariant()) + return QMetaType::type("QVariant"); + return isMetaEnum() ? 2/*int*/ : m_typeId; +} + +QByteArray QScriptMetaType::name() const +{ + if (!m_name.isEmpty()) + return m_name; + else if (m_kind == Variant) + return "QVariant"; + return QMetaType::typeName(typeId()); +} + +class QScriptMetaMethod +{ +public: + inline QScriptMetaMethod() + { } + inline QScriptMetaMethod(const QByteArray &name, const QVector<QScriptMetaType> &types) + : m_name(name), m_types(types), m_firstUnresolvedIndex(-1) + { + QVector<QScriptMetaType>::const_iterator it; + for (it = m_types.constBegin(); it != m_types.constEnd(); ++it) { + if ((*it).kind() == QScriptMetaType::Unresolved) { + m_firstUnresolvedIndex = it - m_types.constBegin(); + break; + } + } + } + inline bool isValid() const + { return !m_types.isEmpty(); } + + QByteArray name() const + { return m_name; } + + inline QScriptMetaType returnType() const + { return m_types.at(0); } + + inline int argumentCount() const + { return m_types.count() - 1; } + + inline QScriptMetaType argumentType(int arg) const + { return m_types.at(arg + 1); } + + inline bool fullyResolved() const + { return m_firstUnresolvedIndex == -1; } + + inline bool hasUnresolvedReturnType() const + { return (m_firstUnresolvedIndex == 0); } + + inline int firstUnresolvedIndex() const + { return m_firstUnresolvedIndex; } + + inline int count() const + { return m_types.count(); } + + inline QScriptMetaType type(int index) const + { return m_types.at(index); } + + inline QVector<QScriptMetaType> types() const + { return m_types; } + +private: + QByteArray m_name; + QVector<QScriptMetaType> m_types; + int m_firstUnresolvedIndex; +}; + +struct QScriptMetaArguments +{ + int matchDistance; + int index; + QScriptMetaMethod method; + QVarLengthArray<QVariant, 9> args; + + inline QScriptMetaArguments(int dist, int idx, const QScriptMetaMethod &mtd, + const QVarLengthArray<QVariant, 9> &as) + : matchDistance(dist), index(idx), method(mtd), args(as) { } + inline QScriptMetaArguments() + : index(-1) { } + + inline bool isValid() const + { return (index != -1); } +}; + +static QMetaMethod metaMethod(const QMetaObject *meta, + QMetaMethod::MethodType type, + int index) +{ + if (type != QMetaMethod::Constructor) + return meta->method(index); + else + return meta->constructor(index); +} + +static JSC::JSValue callQtMethod(JSC::ExecState *exec, QMetaMethod::MethodType callType, + QObject *thisQObject, const JSC::ArgList &scriptArgs, + const QMetaObject *meta, int initialIndex, + bool maybeOverloaded) +{ + QByteArray funName; + QScriptMetaMethod chosenMethod; + int chosenIndex = -1; + QVarLengthArray<QVariant, 9> args; + QVector<QScriptMetaArguments> candidates; + QVector<QScriptMetaArguments> unresolved; + QVector<int> tooFewArgs; + QVector<int> conversionFailed; + int index; + exec->clearException(); + QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(exec); + for (index = initialIndex; index >= 0; --index) { + QMetaMethod method = metaMethod(meta, callType, index); + + if (index == initialIndex) + funName = methodName(method); + else { + if (methodName(method) != funName) + continue; + } + + QVector<QScriptMetaType> types; + // resolve return type + QByteArray returnTypeName = method.typeName(); + int rtype = QMetaType::type(returnTypeName); + if ((rtype == 0) && !returnTypeName.isEmpty()) { + if (returnTypeName == "QVariant") { + types.append(QScriptMetaType::variant()); + } else { + int enumIndex = indexOfMetaEnum(meta, returnTypeName); + if (enumIndex != -1) + types.append(QScriptMetaType::metaEnum(enumIndex, returnTypeName)); + else + types.append(QScriptMetaType::unresolved(returnTypeName)); + } + } else { + if (callType == QMetaMethod::Constructor) + types.append(QScriptMetaType::metaType(QMetaType::QObjectStar, "QObject*")); + else if (returnTypeName == "QVariant") + types.append(QScriptMetaType::variant()); + else + types.append(QScriptMetaType::metaType(rtype, returnTypeName)); + } + + // resolve argument types + QList<QByteArray> parameterTypeNames = method.parameterTypes(); + for (int i = 0; i < parameterTypeNames.count(); ++i) { + QByteArray argTypeName = parameterTypeNames.at(i); + int atype = QMetaType::type(argTypeName); + if (atype == 0) { + if (argTypeName == "QVariant") { + types.append(QScriptMetaType::variant()); + } else { + int enumIndex = indexOfMetaEnum(meta, argTypeName); + if (enumIndex != -1) + types.append(QScriptMetaType::metaEnum(enumIndex, argTypeName)); + else + types.append(QScriptMetaType::unresolved(argTypeName)); + } + } else { + if (argTypeName == "QVariant") + types.append(QScriptMetaType::variant()); + else + types.append(QScriptMetaType::metaType(atype, argTypeName)); + } + } + + QScriptMetaMethod mtd = QScriptMetaMethod(methodName(method), types); + + if (int(scriptArgs.size()) < mtd.argumentCount()) { + tooFewArgs.append(index); + continue; + } + + if (!mtd.fullyResolved()) { + // remember it so we can give an error message later, if necessary + unresolved.append(QScriptMetaArguments(/*matchDistance=*/INT_MAX, index, + mtd, QVarLengthArray<QVariant, 9>())); + if (mtd.hasUnresolvedReturnType()) + continue; + } + + if (args.count() != mtd.count()) + args.resize(mtd.count()); + + QScriptMetaType retType = mtd.returnType(); + args[0] = QVariant(retType.typeId(), (void *)0); // the result + + // try to convert arguments + bool converted = true; + int matchDistance = 0; + for (int i = 0; converted && i < mtd.argumentCount(); ++i) { + QScriptValue actual; + if (i < (int)scriptArgs.size()) + actual = engine->scriptValueFromJSCValue(scriptArgs.at(i)); + else + actual = QScriptValue::QScriptValue(QScriptValue::UndefinedValue); + QScriptMetaType argType = mtd.argumentType(i); + int tid = -1; + QVariant v; + if (argType.isUnresolved()) { + v = QVariant(QMetaType::QObjectStar, (void *)0); + converted = engine->convertToNativeQObject( + actual, argType.name(), reinterpret_cast<void* *>(v.data())); + } else if (argType.isVariant()) { + if (actual.isVariant()) { + v = actual.toVariant(); + } else { + v = actual.toVariant(); + converted = v.isValid() || actual.isUndefined() || actual.isNull(); + } + } else { + tid = argType.typeId(); + v = QVariant(tid, (void *)0); + converted = QScriptEnginePrivate::convert(actual, tid, v.data(), engine); + if (exec->hadException()) + return exec->exception(); + } + + if (!converted) { + if (actual.isVariant()) { + if (tid == -1) + tid = argType.typeId(); + QVariant vv = actual.toVariant(); + if (vv.canConvert(QVariant::Type(tid))) { + v = vv; + converted = v.convert(QVariant::Type(tid)); + if (converted && (vv.userType() != tid)) + matchDistance += 10; + } else { + QByteArray vvTypeName = vv.typeName(); + if (vvTypeName.endsWith('*') + && (vvTypeName.left(vvTypeName.size()-1) == argType.name())) { + v = QVariant(tid, *reinterpret_cast<void* *>(vv.data())); + converted = true; + matchDistance += 10; + } + } + } else if (actual.isNumber() || actual.isString()) { + // see if it's an enum value + QMetaEnum m; + if (argType.isMetaEnum()) { + m = meta->enumerator(argType.enumeratorIndex()); + } else { + int mi = indexOfMetaEnum(meta, argType.name()); + if (mi != -1) + m = meta->enumerator(mi); + } + if (m.isValid()) { + if (actual.isNumber()) { + int ival = actual.toInt32(); + if (m.valueToKey(ival) != 0) { + qVariantSetValue(v, ival); + converted = true; + matchDistance += 10; + } + } else { + QString sval = actual.toString(); + int ival = m.keyToValue(sval.toLatin1()); + if (ival != -1) { + qVariantSetValue(v, ival); + converted = true; + matchDistance += 10; + } + } + } + } + } else { + // determine how well the conversion matched + if (actual.isNumber()) { + switch (tid) { + case QMetaType::Double: + // perfect + break; + case QMetaType::Float: + matchDistance += 1; + break; + case QMetaType::LongLong: + case QMetaType::ULongLong: + matchDistance += 2; + break; + case QMetaType::Long: + case QMetaType::ULong: + matchDistance += 3; + break; + case QMetaType::Int: + case QMetaType::UInt: + matchDistance += 4; + break; + case QMetaType::Short: + case QMetaType::UShort: + matchDistance += 5; + break; + case QMetaType::Char: + case QMetaType::UChar: + matchDistance += 6; + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isString()) { + switch (tid) { + case QMetaType::QString: + // perfect + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isBoolean()) { + switch (tid) { + case QMetaType::Bool: + // perfect + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isDate()) { + switch (tid) { + case QMetaType::QDateTime: + // perfect + break; + case QMetaType::QDate: + matchDistance += 1; + break; + case QMetaType::QTime: + matchDistance += 2; + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isRegExp()) { + switch (tid) { + case QMetaType::QRegExp: + // perfect + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isVariant()) { + if (argType.isVariant() + || (actual.toVariant().userType() == tid)) { + // perfect + } else { + matchDistance += 10; + } + } else if (actual.isArray()) { + switch (tid) { + case QMetaType::QStringList: + case QMetaType::QVariantList: + matchDistance += 5; + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isQObject()) { + switch (tid) { + case QMetaType::QObjectStar: + case QMetaType::QWidgetStar: + // perfect + break; + default: + matchDistance += 10; + break; + } + } else if (actual.isNull()) { + switch (tid) { + case QMetaType::VoidStar: + case QMetaType::QObjectStar: + case QMetaType::QWidgetStar: + // perfect + break; + default: + if (!argType.name().endsWith('*')) + matchDistance += 10; + break; + } + } else { + matchDistance += 10; + } + } + + if (converted) + args[i+1] = v; + } + + if (converted) { + if ((scriptArgs.size() == (size_t)mtd.argumentCount()) + && (matchDistance == 0)) { + // perfect match, use this one + chosenMethod = mtd; + chosenIndex = index; + break; + } else { + bool redundant = false; + if ((callType != QMetaMethod::Constructor) + && (index < meta->methodOffset())) { + // it is possible that a virtual method is redeclared in a subclass, + // in which case we want to ignore the superclass declaration + for (int i = 0; i < candidates.size(); ++i) { + const QScriptMetaArguments &other = candidates.at(i); + if (mtd.types() == other.method.types()) { + redundant = true; + break; + } + } + } + if (!redundant) { + QScriptMetaArguments metaArgs(matchDistance, index, mtd, args); + if (candidates.isEmpty()) { + candidates.append(metaArgs); + } else { + const QScriptMetaArguments &otherArgs = candidates.at(0); + if ((args.count() > otherArgs.args.count()) + || ((args.count() == otherArgs.args.count()) + && (matchDistance <= otherArgs.matchDistance))) { + candidates.prepend(metaArgs); + } else { + candidates.append(metaArgs); + } + } + } + } + } else if (mtd.fullyResolved()) { + conversionFailed.append(index); + } + + if (!maybeOverloaded) + break; + } + + JSC::JSValue result; + if ((chosenIndex == -1) && candidates.isEmpty()) { +// context->calleeMetaIndex = initialIndex; +//#ifndef Q_SCRIPT_NO_EVENT_NOTIFY +// engine->notifyFunctionEntry(context); +//#endif + if (!conversionFailed.isEmpty()) { + QString message = QString::fromLatin1("incompatible type of argument(s) in call to %0(); candidates were\n") + .arg(QLatin1String(funName)); + for (int i = 0; i < conversionFailed.size(); ++i) { + if (i > 0) + message += QLatin1String("\n"); + QMetaMethod mtd = metaMethod(meta, callType, conversionFailed.at(i)); + message += QString::fromLatin1(" %0").arg(QString::fromLatin1(mtd.signature())); + } + result = JSC::throwError(exec, JSC::TypeError, message); + } else if (!unresolved.isEmpty()) { + QScriptMetaArguments argsInstance = unresolved.first(); + int unresolvedIndex = argsInstance.method.firstUnresolvedIndex(); + Q_ASSERT(unresolvedIndex != -1); + QScriptMetaType unresolvedType = argsInstance.method.type(unresolvedIndex); + QString unresolvedTypeName = QString::fromLatin1(unresolvedType.name()); + QString message = QString::fromLatin1("cannot call %0(): ") + .arg(QString::fromLatin1(funName)); + if (unresolvedIndex > 0) { + message.append(QString::fromLatin1("argument %0 has unknown type `%1'"). + arg(unresolvedIndex).arg(unresolvedTypeName)); + } else { + message.append(QString::fromLatin1("unknown return type `%0'") + .arg(unresolvedTypeName)); + } + message.append(QString::fromLatin1(" (register the type with qScriptRegisterMetaType())")); + result = JSC::throwError(exec, JSC::TypeError, message); + } else { + QString message = QString::fromLatin1("too few arguments in call to %0(); candidates are\n") + .arg(QLatin1String(funName)); + for (int i = 0; i < tooFewArgs.size(); ++i) { + if (i > 0) + message += QLatin1String("\n"); + QMetaMethod mtd = metaMethod(meta, callType, tooFewArgs.at(i)); + message += QString::fromLatin1(" %0").arg(QString::fromLatin1(mtd.signature())); + } + result = JSC::throwError(exec, JSC::SyntaxError, message); + } + } else { + if (chosenIndex == -1) { + QScriptMetaArguments metaArgs = candidates.at(0); + if ((candidates.size() > 1) + && (metaArgs.args.count() == candidates.at(1).args.count()) + && (metaArgs.matchDistance == candidates.at(1).matchDistance)) { + // ambiguous call + QString message = QString::fromLatin1("ambiguous call of overloaded function %0(); candidates were\n") + .arg(QLatin1String(funName)); + for (int i = 0; i < candidates.size(); ++i) { + if (i > 0) + message += QLatin1String("\n"); + QMetaMethod mtd = metaMethod(meta, callType, candidates.at(i).index); + message += QString::fromLatin1(" %0").arg(QString::fromLatin1(mtd.signature())); + } + result = JSC::throwError(exec, JSC::TypeError, message); + } else { + chosenMethod = metaArgs.method; + chosenIndex = metaArgs.index; + args = metaArgs.args; + } + } + + if (chosenIndex != -1) { + // call it +// context->calleeMetaIndex = chosenIndex; + + QVarLengthArray<void*, 9> array(args.count()); + void **params = array.data(); + for (int i = 0; i < args.count(); ++i) { + const QVariant &v = args[i]; + switch (chosenMethod.type(i).kind()) { + case QScriptMetaType::Variant: + params[i] = const_cast<QVariant*>(&v); + break; + case QScriptMetaType::MetaType: + case QScriptMetaType::MetaEnum: + case QScriptMetaType::Unresolved: + params[i] = const_cast<void*>(v.constData()); + break; + default: + Q_ASSERT(0); + } + } + + QScriptable *scriptable = 0; + if (thisQObject) + scriptable = scriptableFromQObject(thisQObject); + QScriptEngine *oldEngine = 0; + if (scriptable) { + oldEngine = QScriptablePrivate::get(scriptable)->engine; + QScriptablePrivate::get(scriptable)->engine = QScriptEnginePrivate::get(engine); + } + +// ### fixme +//#ifndef Q_SCRIPT_NO_EVENT_NOTIFY +// engine->notifyFunctionEntry(context); +//#endif + + if (callType == QMetaMethod::Constructor) { + Q_ASSERT(meta != 0); + meta->static_metacall(QMetaObject::CreateInstance, chosenIndex, params); + } else { + QMetaObject::metacall(thisQObject, QMetaObject::InvokeMetaMethod, chosenIndex, params); + } + + if (scriptable) + QScriptablePrivate::get(scriptable)->engine = oldEngine; + + if (exec->hadException()) { + result = exec->exception() ; // propagate + } else { + QScriptMetaType retType = chosenMethod.returnType(); + if (retType.isVariant()) { + result = engine->jscValueFromVariant(*(QVariant *)params[0]); + } else if (retType.typeId() != 0) { + result = engine->scriptValueToJSCValue(engine->create(retType.typeId(), params[0])); + if (!result) { + QScriptValue sv = QScriptEnginePrivate::get(engine)->newVariant(QVariant(retType.typeId(), params[0])); + result = engine->scriptValueToJSCValue(sv); + } + } else { + result = JSC::jsUndefined(); + } + } + } + } + + return result; +} + +JSC::JSValue QtFunction::execute(JSC::ExecState *exec, JSC::JSValue thisValue, + const JSC::ArgList &scriptArgs) +{ + Q_ASSERT(data->object.isObject(&QScriptObject::info)); + QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(data->object)); + QScriptObjectDelegate *delegate = scriptObject->delegate(); + Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject)); + QObject *qobj = static_cast<QScript::QObjectDelegate*>(delegate)->value(); + Q_ASSERT_X(qobj != 0, "QtFunction::call", "handle the case when QObject has been deleted"); + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + + const QMetaObject *meta = qobj->metaObject(); + QObject *thisQObject = 0; + thisValue = engine->toUsableValue(thisValue); + if (thisValue.isObject(&QScriptObject::info)) { + delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate(); + if (delegate && (delegate->type() == QScriptObjectDelegate::QtObject)) + thisQObject = static_cast<QScript::QObjectDelegate*>(delegate)->value(); + } + if (!thisQObject) + thisQObject = qobj; // ### TypeError + + if (!meta->cast(thisQObject)) { + // invoking a function in the prototype + thisQObject = qobj; + } + + return callQtMethod(exec, QMetaMethod::Method, thisQObject, scriptArgs, + meta, data->initialIndex, data->maybeOverloaded); +} + +const JSC::ClassInfo QtFunction::info = { "QtFunction", &InternalFunction::info, 0, 0 }; + +JSC::JSValue JSC_HOST_CALL QtFunction::call(JSC::ExecState *exec, JSC::JSObject *callee, + JSC::JSValue thisValue, const JSC::ArgList &args) +{ + if (!callee->isObject(&QtFunction::info)) + return throwError(exec, JSC::TypeError, "callee is not a QtFunction object"); + QtFunction *qfun = static_cast<QtFunction*>(callee); + QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec); + JSC::ExecState *previousFrame = eng_p->currentFrame; + eng_p->currentFrame = exec; + eng_p->pushContext(exec, thisValue, args, callee); + JSC::JSValue result = qfun->execute(eng_p->currentFrame, thisValue, args); + eng_p->popContext(); + eng_p->currentFrame = previousFrame; + return result; +} + +const JSC::ClassInfo QtPropertyFunction::info = { "QtPropertyFunction", &InternalFunction::info, 0, 0 }; + +QtPropertyFunction::QtPropertyFunction(const QMetaObject *meta, int index, + JSC::JSGlobalData *data, + WTF::PassRefPtr<JSC::Structure> sid, + const JSC::Identifier &ident) + : JSC::InternalFunction(data, sid, ident), + data(new Data(meta, index)) +{ +} + +QtPropertyFunction::~QtPropertyFunction() +{ + delete data; +} + +JSC::CallType QtPropertyFunction::getCallData(JSC::CallData &callData) +{ + callData.native.function = call; + return JSC::CallTypeHost; +} + +JSC::JSValue JSC_HOST_CALL QtPropertyFunction::call( + JSC::ExecState *exec, JSC::JSObject *callee, + JSC::JSValue thisValue, const JSC::ArgList &args) +{ + if (!callee->isObject(&QtPropertyFunction::info)) + return throwError(exec, JSC::TypeError, "callee is not a QtPropertyFunction object"); + QtPropertyFunction *qfun = static_cast<QtPropertyFunction*>(callee); + QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec); + JSC::ExecState *previousFrame = eng_p->currentFrame; + eng_p->currentFrame = exec; + eng_p->pushContext(exec, thisValue, args, callee); + JSC::JSValue result = qfun->execute(eng_p->currentFrame, thisValue, args); + eng_p->popContext(); + eng_p->currentFrame = previousFrame; + return result; +} + +JSC::JSValue QtPropertyFunction::execute(JSC::ExecState *exec, + JSC::JSValue thisValue, + const JSC::ArgList &args) +{ + JSC::JSValue result = JSC::jsUndefined(); + + // ### don't go via QScriptValue + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + QScriptValue object = engine->scriptValueFromJSCValue(thisValue); + QObject *qobject = object.toQObject(); + while ((!qobject || (qobject->metaObject() != data->meta)) + && object.prototype().isObject()) { + object = object.prototype(); + qobject = object.toQObject(); + } + Q_ASSERT_X(qobject, Q_FUNC_INFO, "this-object must be a QObject"); + + QMetaProperty prop = data->meta->property(data->index); + Q_ASSERT(prop.isScriptable()); + if (args.size() == 0) { + // get + if (prop.isValid()) { + QScriptable *scriptable = scriptableFromQObject(qobject); + QScriptEngine *oldEngine = 0; + if (scriptable) { + oldEngine = QScriptablePrivate::get(scriptable)->engine; + QScriptablePrivate::get(scriptable)->engine = QScriptEnginePrivate::get(engine); + } + + QVariant v = prop.read(qobject); + + if (scriptable) + QScriptablePrivate::get(scriptable)->engine = oldEngine; + + result = engine->jscValueFromVariant(v); + } + } else { + // set + JSC::JSValue arg = args.at(0); + QVariant v; + if (prop.isEnumType() && arg.isString() + && !engine->hasDemarshalFunction(prop.userType())) { + // give QMetaProperty::write() a chance to convert from + // string to enum value + v = (QString)arg.toString(exec); + } else { + // ### don't go via QScriptValue + QScriptValue tmp = engine->scriptValueFromJSCValue(arg); + v = variantFromValue(engine, prop.userType(), tmp); + } + + QScriptable *scriptable = scriptableFromQObject(qobject); + QScriptEngine *oldEngine = 0; + if (scriptable) { + oldEngine = QScriptablePrivate::get(scriptable)->engine; + QScriptablePrivate::get(scriptable)->engine = QScriptEnginePrivate::get(engine); + } + + prop.write(qobject, v); + + if (scriptable) + QScriptablePrivate::get(scriptable)->engine = oldEngine; + + result = arg; + } + return result; +} + +const QMetaObject *QtPropertyFunction::metaObject() const +{ + return data->meta; +} + +int QtPropertyFunction::propertyIndex() const +{ + return data->index; +} + + +QObjectDelegate::QObjectDelegate( + QObject *object, QScriptEngine::ValueOwnership ownership, + const QScriptEngine::QObjectWrapOptions &options) + : data(new Data(object, ownership, options)) +{ +} + +QObjectDelegate::~QObjectDelegate() +{ + switch (data->ownership) { + case QScriptEngine::QtOwnership: + break; + case QScriptEngine::ScriptOwnership: + if (data->value) + delete data->value; // ### fixme +// eng->disposeQObject(value); + break; + case QScriptEngine::AutoOwnership: + if (data->value && !data->value->parent()) + delete data->value; // ### fixme +// eng->disposeQObject(value); + break; + } + delete data; +} + +QScriptObjectDelegate::Type QObjectDelegate::type() const +{ + return QtObject; +} + +bool QObjectDelegate::getOwnPropertySlot(QScriptObject *object, JSC::ExecState *exec, + const JSC::Identifier &propertyName, + JSC::PropertySlot &slot) +{ + QByteArray name = QString(propertyName.ustring()).toLatin1(); + QObject *qobject = data->value; + if (!qobject) { + QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject") + .arg(QString::fromLatin1(name)); + slot.setValue(JSC::throwError(exec, JSC::GeneralError, message)); + return true; + } + + const QMetaObject *meta = qobject->metaObject(); + { + QHash<QByteArray, JSC::JSValue>::const_iterator it = data->cachedMembers.constFind(name); + if (it != data->cachedMembers.constEnd()) { + if (GeneratePropertyFunctions && (meta->indexOfProperty(name) != -1)) + slot.setGetterSlot(JSC::asObject(it.value())); + else + slot.setValue(it.value()); + return true; + } + } + + const QScriptEngine::QObjectWrapOptions &opt = data->options; + QScriptEnginePrivate *eng = scriptEngineFromExec(exec); + int index = -1; + if (name.contains('(')) { + QByteArray normalized = QMetaObject::normalizedSignature(name); + if (-1 != (index = meta->indexOfMethod(normalized))) { + QMetaMethod method = meta->method(index); + if (hasMethodAccess(method, index, opt)) { + if (!(opt & QScriptEngine::ExcludeSuperClassMethods) + || (index >= meta->methodOffset())) { + QtFunction *fun = new (exec)QtFunction( + object, index, /*maybeOverloaded=*/false, + &exec->globalData(), eng->originalGlobalObject()->functionStructure(), + propertyName); + slot.setValue(fun); + data->cachedMembers.insert(name, fun); + return true; + } + } + } + } + + index = meta->indexOfProperty(name); + if (index != -1) { + QMetaProperty prop = meta->property(index); + if (prop.isScriptable()) { + if (!(opt & QScriptEngine::ExcludeSuperClassProperties) + || (index >= meta->propertyOffset())) { + if (GeneratePropertyFunctions) { + QtPropertyFunction *fun = new (exec)QtPropertyFunction( + meta, index, &exec->globalData(), + eng->originalGlobalObject()->functionStructure(), + propertyName); + data->cachedMembers.insert(name, fun); + slot.setGetterSlot(fun); + } else { + JSC::JSValue val; + if (!prop.isValid()) + val = JSC::jsUndefined(); + else + val = eng->jscValueFromVariant(prop.read(qobject)); + slot.setValue(val); + } + return true; + } + } + } + + index = qobject->dynamicPropertyNames().indexOf(name); + if (index != -1) { + JSC::JSValue val = eng->jscValueFromVariant(qobject->property(name)); + slot.setValue(val); + return true; + } + + const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods) + ? meta->methodOffset() : 0; + for (index = meta->methodCount() - 1; index >= offset; --index) { + QMetaMethod method = meta->method(index); + if (hasMethodAccess(method, index, opt) + && (methodName(method) == name)) { + QtFunction *fun = new (exec)QtFunction( + object, index, /*maybeOverloaded=*/true, + &exec->globalData(), eng->originalGlobalObject()->functionStructure(), + propertyName); + slot.setValue(fun); + data->cachedMembers.insert(name, fun); + return true; + } + } + + if (!(opt & QScriptEngine::ExcludeChildObjects)) { + QList<QObject*> children = qobject->children(); + for (index = 0; index < children.count(); ++index) { + QObject *child = children.at(index); + if (child->objectName() == QString(propertyName.ustring())) { + QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject; + QScriptValue tmp = QScriptEnginePrivate::get(eng)->newQObject(child, QScriptEngine::QtOwnership, opt); + slot.setValue(eng->scriptValueToJSCValue(tmp)); + return true; + } + } + } + + return QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot); +} + +void QObjectDelegate::put(QScriptObject *object, JSC::ExecState* exec, + const JSC::Identifier& propertyName, + JSC::JSValue value, JSC::PutPropertySlot &slot) +{ + QByteArray name = ((QString)propertyName.ustring()).toLatin1(); + QObject *qobject = data->value; + if (!qobject) { + QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject") + .arg(QString::fromLatin1(name)); + JSC::throwError(exec, JSC::GeneralError, message); + return; + } + + const QScriptEngine::QObjectWrapOptions &opt = data->options; + const QMetaObject *meta = qobject->metaObject(); + QScriptEnginePrivate *eng = scriptEngineFromExec(exec); + int index = -1; + if (name.contains('(')) { + QByteArray normalized = QMetaObject::normalizedSignature(name); + if (-1 != (index = meta->indexOfMethod(normalized))) { + QMetaMethod method = meta->method(index); + if (hasMethodAccess(method, index, opt)) { + if (!(opt & QScriptEngine::ExcludeSuperClassMethods) + || (index >= meta->methodOffset())) { + data->cachedMembers.insert(name, value); + return; + } + } + } + } + + index = meta->indexOfProperty(name); + if (index != -1) { + QMetaProperty prop = meta->property(index); + if (prop.isScriptable()) { + if (!(opt & QScriptEngine::ExcludeSuperClassProperties) + || (index >= meta->propertyOffset())) { + if (GeneratePropertyFunctions) { + // ### ideally JSC would do this for us already, i.e. find out + // that the property is a setter and call the setter. + // Maybe QtPropertyFunction needs to inherit JSC::GetterSetter. + JSC::JSValue fun; + QHash<QByteArray, JSC::JSValue>::const_iterator it; + it = data->cachedMembers.constFind(name); + if (it != data->cachedMembers.constEnd()) { + fun = it.value(); + } else { + fun = new (exec)QtPropertyFunction( + meta, index, &exec->globalData(), + eng->originalGlobalObject()->functionStructure(), + propertyName); + data->cachedMembers.insert(name, fun); + } + JSC::CallData callData; + JSC::CallType callType = fun.getCallData(callData); + JSC::JSValue argv[1] = { value }; + JSC::ArgList args(argv, 1); + (void)JSC::call(exec, fun, callType, callData, object, args); + } else { + QVariant v; + if (prop.isEnumType() && value.isString() + && !eng->hasDemarshalFunction(prop.userType())) { + // give QMetaProperty::write() a chance to convert from + // string to enum value + v = (QString)value.toString(exec); + } else { + v = eng->jscValueToVariant(value, prop.userType()); + } + (void)prop.write(qobject, v); + } + return; + } + } + } + + const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods) + ? meta->methodOffset() : 0; + for (index = meta->methodCount() - 1; index >= offset; --index) { + QMetaMethod method = meta->method(index); + if (hasMethodAccess(method, index, opt) + && (methodName(method) == name)) { + data->cachedMembers.insert(name, value); + return; + } + } + + index = qobject->dynamicPropertyNames().indexOf(name); + if ((index != -1) || (opt & QScriptEngine::AutoCreateDynamicProperties)) { + QVariant v = eng->scriptValueFromJSCValue(value).toVariant(); + (void)qobject->setProperty(name, v); + return; + } + + QScriptObjectDelegate::put(object, exec, propertyName, value, slot); +} + +bool QObjectDelegate::deleteProperty(QScriptObject *object, JSC::ExecState *exec, + const JSC::Identifier& propertyName, + bool checkDontDelete) +{ + QByteArray name = ((QString)propertyName.ustring()).toLatin1(); + QObject *qobject = data->value; + if (!qobject) { + QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject") + .arg(QString::fromLatin1(name)); + JSC::throwError(exec, JSC::GeneralError, message); + return false; + } + + const QMetaObject *meta = qobject->metaObject(); + { + QHash<QByteArray, JSC::JSValue>::iterator it = data->cachedMembers.find(name); + if (it != data->cachedMembers.end()) { + if (GeneratePropertyFunctions && (meta->indexOfProperty(name) != -1)) + return false; + data->cachedMembers.erase(it); + return true; + } + } + + const QScriptEngine::QObjectWrapOptions &opt = data->options; + int index = meta->indexOfProperty(name); + if (index != -1) { + QMetaProperty prop = meta->property(index); + if (prop.isScriptable() && + (!(opt & QScriptEngine::ExcludeSuperClassProperties) + || (index >= meta->propertyOffset()))) { + return false; + } + } + + index = qobject->dynamicPropertyNames().indexOf(name); + if (index != -1) { + (void)qobject->setProperty(name, QVariant()); + return true; + } + + return QScriptObjectDelegate::deleteProperty(object, exec, propertyName, checkDontDelete); +} + +bool QObjectDelegate::getPropertyAttributes(const QScriptObject *object, + JSC::ExecState *exec, + const JSC::Identifier &propertyName, + unsigned &attributes) const +{ + // ### try to avoid duplicating logic from getOwnPropertySlot() + QByteArray name = ((QString)propertyName.ustring()).toLatin1(); + QObject *qobject = data->value; + if (!qobject) + return false; + + const QScriptEngine::QObjectWrapOptions &opt = data->options; + const QMetaObject *meta = qobject->metaObject(); + int index = -1; + if (name.contains('(')) { + QByteArray normalized = QMetaObject::normalizedSignature(name); + if (-1 != (index = meta->indexOfMethod(normalized))) { + QMetaMethod method = meta->method(index); + if (hasMethodAccess(method, index, opt)) { + if (!(opt & QScriptEngine::ExcludeSuperClassMethods) + || (index >= meta->methodOffset())) { + attributes = QObjectMemberAttribute; + if (opt & QScriptEngine::SkipMethodsInEnumeration) + attributes |= JSC::DontEnum; + return true; + } + } + } + } + + index = meta->indexOfProperty(name); + if (index != -1) { + QMetaProperty prop = meta->property(index); + if (prop.isScriptable()) { + if (!(opt & QScriptEngine::ExcludeSuperClassProperties) + || (index >= meta->propertyOffset())) { + attributes = flagsForMetaProperty(prop); + return true; + } + } + } + + index = qobject->dynamicPropertyNames().indexOf(name); + if (index != -1) { + attributes = QObjectMemberAttribute; + return true; + } + + const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods) + ? meta->methodOffset() : 0; + for (index = meta->methodCount() - 1; index >= offset; --index) { + QMetaMethod method = meta->method(index); + if (hasMethodAccess(method, index, opt) + && (methodName(method) == name)) { + attributes = QObjectMemberAttribute; + if (opt & QScriptEngine::SkipMethodsInEnumeration) + attributes |= JSC::DontEnum; + return true; + } + } + + if (!(opt & QScriptEngine::ExcludeChildObjects)) { + QList<QObject*> children = qobject->children(); + for (index = 0; index < children.count(); ++index) { + QObject *child = children.at(index); + if (child->objectName() == (QString)(propertyName.ustring())) { + attributes = JSC::ReadOnly | JSC::DontDelete | JSC::DontEnum; + return true; + } + } + } + + return QScriptObjectDelegate::getPropertyAttributes(object, exec, propertyName, attributes); +} + +void QObjectDelegate::getPropertyNames(QScriptObject *object, JSC::ExecState *exec, + JSC::PropertyNameArray &propertyNames, + unsigned listedAttributes) +{ + QObject *qobject = data->value; + if (!qobject) { + QString message = QString::fromLatin1("cannot get property names of deleted QObject"); + JSC::throwError(exec, JSC::GeneralError, message); + return; + } + + const QScriptEngine::QObjectWrapOptions &opt = data->options; + const QMetaObject *meta = qobject->metaObject(); + { + int i = (opt & QScriptEngine::ExcludeSuperClassProperties) + ? meta->propertyOffset() : 0; + for ( ; i < meta->propertyCount(); ++i) { + QMetaProperty prop = meta->property(i); + if (isEnumerableMetaProperty(prop, meta, i)) { + QString name = QString::fromLatin1(prop.name()); + propertyNames.add(JSC::Identifier(exec, name)); + } + } + } + + { + QList<QByteArray> dpNames = qobject->dynamicPropertyNames(); + for (int i = 0; i < dpNames.size(); ++i) { + QString name = QString::fromLatin1(dpNames.at(i)); + propertyNames.add(JSC::Identifier(exec, name)); + } + } + + if (!(opt & QScriptEngine::SkipMethodsInEnumeration)) { + int i = (opt & QScriptEngine::ExcludeSuperClassMethods) + ? meta->methodOffset() : 0; + for ( ; i < meta->methodCount(); ++i) { + QMetaMethod method = meta->method(i); + if (hasMethodAccess(method, i, opt)) { + QMetaMethod method = meta->method(i); + QString sig = QString::fromLatin1(method.signature()); + propertyNames.add(JSC::Identifier(exec, sig)); + } + } + } + + QScriptObjectDelegate::getPropertyNames(object, exec, propertyNames, listedAttributes); +} + +void QObjectDelegate::mark(QScriptObject *object) +{ + QHash<QByteArray, JSC::JSValue>::const_iterator it; + for (it = data->cachedMembers.constBegin(); it != data->cachedMembers.constEnd(); ++it) { + JSC::JSValue val = it.value(); + if (val && !val.marked()) + val.mark(); + } + + QScriptObjectDelegate::mark(object); +} + +static JSC::JSValue JSC_HOST_CALL qobjectProtoFuncFindChild(JSC::ExecState *exec, JSC::JSObject*, + JSC::JSValue thisValue, const JSC::ArgList &args) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + if (!thisValue.isObject(&QScriptObject::info)) + return throwError(exec, JSC::TypeError, "this object is not a QObject"); + QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(thisValue)); + QScriptObjectDelegate *delegate = scriptObject->delegate(); + if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject)) + return throwError(exec, JSC::TypeError, "this object is not a QObject"); + QObject *obj = static_cast<QObjectDelegate*>(delegate)->value(); + QString name; + if (args.size() != 0) + name = args.at(0).toString(exec); + QObject *child = qFindChild<QObject*>(obj, name); + QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject; + return engine->newQObject(child, QScriptEngine::QtOwnership, opt); +} + +static JSC::JSValue JSC_HOST_CALL qobjectProtoFuncFindChildren(JSC::ExecState *exec, JSC::JSObject*, + JSC::JSValue thisValue, const JSC::ArgList &args) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + // extract the QObject + if (!thisValue.isObject(&QScriptObject::info)) + return throwError(exec, JSC::TypeError, "this object is not a QObject"); + QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(thisValue)); + QScriptObjectDelegate *delegate = scriptObject->delegate(); + if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject)) + return throwError(exec, JSC::TypeError, "this object is not a QObject"); + const QObject *const obj = static_cast<QObjectDelegate*>(delegate)->value(); + + // find the children + QList<QObject *> children; + if (args.size() != 0) { + const JSC::JSValue arg = args.at(0); + if (arg.isObject(&JSC::RegExpObject::info)) { + const QObjectList allChildren= obj->children(); + + JSC::RegExpObject *const regexp = JSC::asRegExpObject(arg); + + const int allChildrenCount = allChildren.size(); + for (int i = 0; i < allChildrenCount; ++i) { + QObject *const child = allChildren.at(i); + const JSC::UString childName = child->objectName(); + JSC::RegExpConstructor* regExpConstructor = engine->originalGlobalObject()->regExpConstructor(); + int position; + int length; + regExpConstructor->performMatch(regexp->regExp(), childName, 0, position, length); + if (position >= 0) + children.append(child); + } + } else { + const QString name(args.at(0).toString(exec)); + children = qFindChildren<QObject*>(obj, name); + } + } else { + children = qFindChildren<QObject*>(obj, QString()); + } + // create the result array with the children + const int length = children.size(); + JSC::JSArray *const result = JSC::constructEmptyArray(exec, length); + + QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject; + for (int i = 0; i < length; ++i) { + QObject *const child = children.at(i); + result->put(exec, i, engine->newQObject(child, QScriptEngine::QtOwnership, opt)); + } + return JSC::JSValue(result); +} + +static JSC::JSValue JSC_HOST_CALL qobjectProtoFuncToString(JSC::ExecState *exec, JSC::JSObject*, + JSC::JSValue thisValue, const JSC::ArgList&) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + if (!thisValue.isObject(&QScriptObject::info)) + return JSC::jsUndefined(); + QScriptObject *scriptObject = static_cast<QScriptObject*>(JSC::asObject(thisValue)); + QScriptObjectDelegate *delegate = scriptObject->delegate(); + if (!delegate || (delegate->type() != QScriptObjectDelegate::QtObject)) + return JSC::jsUndefined(); + QObject *obj = static_cast<QObjectDelegate*>(delegate)->value(); + const QMetaObject *meta = obj ? obj->metaObject() : &QObject::staticMetaObject; + QString name = obj ? obj->objectName() : QString::fromUtf8("unnamed"); + QString str = QString::fromUtf8("%0(name = \"%1\")") + .arg(QLatin1String(meta->className())).arg(name); + return JSC::jsString(exec, str); +} + +QObjectPrototype::QObjectPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::Structure> structure, + JSC::Structure* prototypeFunctionStructure) + : QScriptObject(structure) +{ + setDelegate(new QObjectDelegate(new QObjectPrototypeObject(), QScriptEngine::AutoOwnership, + QScriptEngine::ExcludeSuperClassMethods + | QScriptEngine::ExcludeSuperClassProperties + | QScriptEngine::ExcludeChildObjects)); + + putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/0, exec->propertyNames().toString, qobjectProtoFuncToString), JSC::DontEnum); + putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChild"), qobjectProtoFuncFindChild), JSC::DontEnum); + putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChildren"), qobjectProtoFuncFindChildren), JSC::DontEnum); +} + +const JSC::ClassInfo QMetaObjectWrapperObject::info = { "QMetaObject", 0, 0, 0 }; + +QMetaObjectWrapperObject::QMetaObjectWrapperObject( + JSC::ExecState *exec, const QMetaObject *metaObject, JSC::JSValue ctor, + WTF::PassRefPtr<JSC::Structure> sid) + : JSC::JSObject(sid), + data(new Data(metaObject, ctor)) +{ + if (!ctor) + data->prototype = new (exec)JSC::JSObject(exec->lexicalGlobalObject()->emptyObjectStructure()); +} + +QMetaObjectWrapperObject::~QMetaObjectWrapperObject() +{ + delete data; +} + +bool QMetaObjectWrapperObject::getOwnPropertySlot( + JSC::ExecState *exec, const JSC::Identifier& propertyName, + JSC::PropertySlot &slot) +{ + const QMetaObject *meta = data->value; + if (!meta) + return false; + + if (propertyName == exec->propertyNames().prototype) { + if (data->ctor) + slot.setValue(data->ctor.get(exec, propertyName)); + else + slot.setValue(data->prototype); + return true; + } + + QByteArray name = QString(propertyName.ustring()).toLatin1(); + + for (int i = 0; i < meta->enumeratorCount(); ++i) { + QMetaEnum e = meta->enumerator(i); + for (int j = 0; j < e.keyCount(); ++j) { + const char *key = e.key(j); + if (!qstrcmp(key, name.constData())) { + slot.setValue(JSC::JSValue(exec, e.value(j))); + return true; + } + } + } + + return JSC::JSObject::getOwnPropertySlot(exec, propertyName, slot); +} + +void QMetaObjectWrapperObject::put(JSC::ExecState* exec, const JSC::Identifier& propertyName, + JSC::JSValue value, JSC::PutPropertySlot &slot) +{ + if (propertyName == exec->propertyNames().prototype) { + if (data->ctor) + data->ctor.put(exec, propertyName, value, slot); + else + data->prototype = value; + return; + } + const QMetaObject *meta = data->value; + if (meta) { + QByteArray name = QString(propertyName.ustring()).toLatin1(); + for (int i = 0; i < meta->enumeratorCount(); ++i) { + QMetaEnum e = meta->enumerator(i); + for (int j = 0; j < e.keyCount(); ++j) { + if (!qstrcmp(e.key(j), name.constData())) + return; + } + } + } + JSC::JSObject::put(exec, propertyName, value, slot); +} + +bool QMetaObjectWrapperObject::deleteProperty( + JSC::ExecState *exec, const JSC::Identifier& propertyName, + bool checkDontDelete) +{ + if (propertyName == exec->propertyNames().prototype) + return false; + const QMetaObject *meta = data->value; + if (meta) { + QByteArray name = QString(propertyName.ustring()).toLatin1(); + for (int i = 0; i < meta->enumeratorCount(); ++i) { + QMetaEnum e = meta->enumerator(i); + for (int j = 0; j < e.keyCount(); ++j) { + if (!qstrcmp(e.key(j), name.constData())) + return false; + } + } + } + return JSC::JSObject::deleteProperty(exec, propertyName, checkDontDelete); +} + +bool QMetaObjectWrapperObject::getPropertyAttributes(JSC::ExecState *exec, + const JSC::Identifier &propertyName, + unsigned &attributes) const +{ + if (propertyName == exec->propertyNames().prototype) { + attributes = JSC::DontDelete; + return true; + } + const QMetaObject *meta = data->value; + if (meta) { + QByteArray name = QString(propertyName.ustring()).toLatin1(); + for (int i = 0; i < meta->enumeratorCount(); ++i) { + QMetaEnum e = meta->enumerator(i); + for (int j = 0; j < e.keyCount(); ++j) { + if (!qstrcmp(e.key(j), name.constData())) { + attributes = JSC::ReadOnly | JSC::DontDelete; + return true; + } + } + } + } + return JSC::JSObject::getPropertyAttributes(exec, propertyName, attributes); +} + +void QMetaObjectWrapperObject::getPropertyNames(JSC::ExecState *exec, JSC::PropertyNameArray &propertyNames, unsigned listedAttributes) +{ + const QMetaObject *meta = data->value; + if (!meta) + return; + for (int i = 0; i < meta->enumeratorCount(); ++i) { + QMetaEnum e = meta->enumerator(i); + for (int j = 0; j < e.keyCount(); ++j) + propertyNames.add(JSC::Identifier(exec, e.key(j))); + } + JSC::JSObject::getPropertyNames(exec, propertyNames, listedAttributes); +} + +void QMetaObjectWrapperObject::mark() +{ + Q_ASSERT(!marked()); + if (data->ctor && !data->ctor.marked()) + data->ctor.mark(); + if (data->prototype && !data->prototype.marked()) + data->prototype.mark(); + JSC::JSObject::mark(); +} + +JSC::CallType QMetaObjectWrapperObject::getCallData(JSC::CallData& callData) +{ + callData.native.function = call; + return JSC::CallTypeHost; +} + +JSC::ConstructType QMetaObjectWrapperObject::getConstructData(JSC::ConstructData& constructData) +{ + constructData.native.function = construct; + return JSC::ConstructTypeHost; +} + +JSC::JSValue JSC_HOST_CALL QMetaObjectWrapperObject::call( + JSC::ExecState *exec, JSC::JSObject *callee, + JSC::JSValue thisValue, const JSC::ArgList &args) +{ + QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec); + thisValue = eng_p->toUsableValue(thisValue); + if (!callee->isObject(&QMetaObjectWrapperObject::info)) + return throwError(exec, JSC::TypeError, "callee is not a QMetaObject"); + QMetaObjectWrapperObject *self = static_cast<QMetaObjectWrapperObject*>(callee); + JSC::ExecState *previousFrame = eng_p->currentFrame; + eng_p->pushContext(exec, thisValue, args, callee); + JSC::JSValue result = self->execute(eng_p->currentFrame, args); + eng_p->popContext(); + eng_p->currentFrame = previousFrame; + return result; +} + +JSC::JSObject* QMetaObjectWrapperObject::construct(JSC::ExecState *exec, JSC::JSObject *callee, const JSC::ArgList &args) +{ + QMetaObjectWrapperObject *self = static_cast<QMetaObjectWrapperObject*>(callee); + QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec); + JSC::ExecState *previousFrame = eng_p->currentFrame; + eng_p->pushContext(exec, JSC::JSValue(), args, callee, true); + JSC::JSValue result = self->execute(eng_p->currentFrame, args); + eng_p->popContext(); + eng_p->currentFrame = previousFrame; + if (!result || !result.isObject()) + return 0; + return JSC::asObject(result); +} + +JSC::JSValue QMetaObjectWrapperObject::execute(JSC::ExecState *exec, + const JSC::ArgList &args) +{ + if (data->ctor) { + QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec); + QScriptContext *ctx = eng_p->contextForFrame(exec); + JSC::CallData callData; + JSC::CallType callType = data->ctor.getCallData(callData); + Q_ASSERT_X(callType == JSC::CallTypeHost, Q_FUNC_INFO, "script constructors not supported"); + if (data->ctor.isObject(&FunctionWithArgWrapper::info)) { + FunctionWithArgWrapper *wrapper = static_cast<FunctionWithArgWrapper*>(JSC::asObject(data->ctor)); + QScriptValue result = wrapper->function()(ctx, QScriptEnginePrivate::get(eng_p), wrapper->arg()); + return eng_p->scriptValueToJSCValue(result); + } else { + Q_ASSERT(data->ctor.isObject(&FunctionWrapper::info)); + FunctionWrapper *wrapper = static_cast<FunctionWrapper*>(JSC::asObject(data->ctor)); + QScriptValue result = wrapper->function()(ctx, QScriptEnginePrivate::get(eng_p)); + return eng_p->scriptValueToJSCValue(result); + } + } else { + const QMetaObject *meta = data->value; + if (meta->constructorCount() > 0) { + JSC::JSValue result = callQtMethod(exec, QMetaMethod::Constructor, /*thisQObject=*/0, + args, meta, meta->constructorCount()-1, /*maybeOverloaded=*/true); + if (!exec->hadException()) { + Q_ASSERT(result && result.isObject(&QScriptObject::info)); + QScriptObject *object = static_cast<QScriptObject*>(JSC::asObject(result)); + QScript::QObjectDelegate *delegate = static_cast<QScript::QObjectDelegate*>(object->delegate()); + delegate->setOwnership(QScriptEngine::AutoOwnership); + if (data->prototype) + object->setPrototype(data->prototype); + } + return result; + } else { + QString message = QString::fromLatin1("no constructor for %0") + .arg(QLatin1String(meta->className())); + return JSC::throwError(exec, JSC::TypeError, message); + } + } +} + +struct StaticQtMetaObject : public QObject +{ + static const QMetaObject *get() + { return &static_cast<StaticQtMetaObject*> (0)->staticQtMetaObject; } +}; + +static JSC::JSValue JSC_HOST_CALL qmetaobjectProtoFuncClassName( + JSC::ExecState *exec, JSC::JSObject*, JSC::JSValue thisValue, const JSC::ArgList&) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + if (!thisValue.isObject(&QMetaObjectWrapperObject::info)) + return throwError(exec, JSC::TypeError, "this object is not a QMetaObject"); + const QMetaObject *meta = static_cast<QMetaObjectWrapperObject*>(JSC::asObject(thisValue))->value(); + return JSC::jsString(exec, meta->className()); +} + +QMetaObjectPrototype::QMetaObjectPrototype( + JSC::ExecState *exec, WTF::PassRefPtr<JSC::Structure> structure, + JSC::Structure* prototypeFunctionStructure) + : QMetaObjectWrapperObject(exec, StaticQtMetaObject::get(), /*ctor=*/JSC::JSValue(), structure) +{ + putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/0, JSC::Identifier(exec, "className"), qmetaobjectProtoFuncClassName), JSC::DontEnum); +} + +static const uint qt_meta_data_QObjectConnectionManager[] = { + + // content: + 1, // revision + 0, // classname + 0, 0, // classinfo + 1, 10, // methods + 0, 0, // properties + 0, 0, // enums/sets + + // slots: signature, parameters, type, tag, flags + 35, 34, 34, 34, 0x0a, + + 0 // eod +}; + +static const char qt_meta_stringdata_QObjectConnectionManager[] = { + "QScript::QObjectConnectionManager\0\0execute()\0" +}; + +const QMetaObject QObjectConnectionManager::staticMetaObject = { + { &QObject::staticMetaObject, qt_meta_stringdata_QObjectConnectionManager, + qt_meta_data_QObjectConnectionManager, 0 } +}; + +const QMetaObject *QObjectConnectionManager::metaObject() const +{ + return &staticMetaObject; +} + +void *QObjectConnectionManager::qt_metacast(const char *_clname) +{ + if (!_clname) return 0; + if (!strcmp(_clname, qt_meta_stringdata_QObjectConnectionManager)) + return static_cast<void*>(const_cast<QObjectConnectionManager*>(this)); + return QObject::qt_metacast(_clname); +} + +int QObjectConnectionManager::qt_metacall(QMetaObject::Call _c, int _id, void **_a) +{ + _id = QObject::qt_metacall(_c, _id, _a); + if (_id < 0) + return _id; + if (_c == QMetaObject::InvokeMetaMethod) { + execute(_id, _a); + _id -= slotCounter; + } + return _id; +} + +void QObjectConnectionManager::execute(int slotIndex, void **argv) +{ + JSC::JSValue receiver; + JSC::JSValue slot; + JSC::JSValue senderWrapper; + int signalIndex = -1; + for (int i = 0; i < connections.size(); ++i) { + const QVector<QObjectConnection> &cs = connections.at(i); + for (int j = 0; j < cs.size(); ++j) { + const QObjectConnection &c = cs.at(j); + if (c.slotIndex == slotIndex) { + receiver = c.receiver; + slot = c.slot; + senderWrapper = c.senderWrapper; + signalIndex = i; + break; + } + } + } + Q_ASSERT(slot && slot.isObject()); + + if (engine->isCollecting()) { + qWarning("QtScript: can't execute signal handler during GC"); + // we can't do a script function call during GC, + // so we're forced to ignore this signal + return; + } + +#if 0 + QScriptFunction *fun = engine->convertToNativeFunction(slot); + if (fun == 0) { + // the signal handler has been GC'ed. This can only happen when + // a QObject is owned by the engine, the engine is destroyed, and + // there is a script function connected to the destroyed() signal + Q_ASSERT(signalIndex <= 1); // destroyed(QObject*) + return; + } +#endif + + const QMetaObject *meta = sender()->metaObject(); + const QMetaMethod method = meta->method(signalIndex); + + QList<QByteArray> parameterTypes = method.parameterTypes(); + int argc = parameterTypes.count(); + + JSC::ExecState *exec = engine->currentFrame; + QVector<JSC::JSValue> argsVector; + argsVector.resize(argc); + for (int i = 0; i < argc; ++i) { + // ### optimize -- no need to convert via QScriptValue + QScriptValue actual; + void *arg = argv[i + 1]; + QByteArray typeName = parameterTypes.at(i); + int argType = QMetaType::type(parameterTypes.at(i)); + if (!argType) { + if (typeName == "QVariant") { + actual = engine->scriptValueFromVariant(*reinterpret_cast<QVariant*>(arg)); + } else { + qWarning("QScriptEngine: Unable to handle unregistered datatype '%s' " + "when invoking handler of signal %s::%s", + typeName.constData(), meta->className(), method.signature()); + actual = QScriptValue(QScriptValue::UndefinedValue); + } + } else { + actual = engine->create(argType, arg); + } + argsVector[i] = engine->scriptValueToJSCValue(actual); + } + JSC::ArgList jscArgs(argsVector.data(), argsVector.size()); + + JSC::JSValue senderObject; + if (senderWrapper && senderWrapper.isObject(&QScriptObject::info)) // ### check if it's actually a QObject wrapper + senderObject = senderWrapper; + else { + QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject; + senderObject = engine->newQObject(sender(), QScriptEngine::QtOwnership, opt); + } + + JSC::JSValue thisObject; + if (receiver && receiver.isObject()) + thisObject = receiver; + else + thisObject = engine->globalObject(); + + JSC::CallData callData; + JSC::CallType callType = slot.getCallData(callData); + if (exec->hadException()) + exec->clearException(); // ### otherwise JSC asserts + JSC::call(exec, slot, callType, callData, thisObject, jscArgs); + + if (exec->hadException()) { + engine->emitSignalHandlerException(); + } +} + +QObjectConnectionManager::QObjectConnectionManager(QScriptEnginePrivate *eng) + : engine(eng), slotCounter(0) +{ +} + +QObjectConnectionManager::~QObjectConnectionManager() +{ +} + +void QObjectConnectionManager::mark() +{ + for (int i = 0; i < connections.size(); ++i) { + QVector<QObjectConnection> &cs = connections[i]; + for (int j = 0; j < cs.size(); ++j) + cs[j].mark(); + } +} + +bool QObjectConnectionManager::addSignalHandler( + QObject *sender, int signalIndex, JSC::JSValue receiver, + JSC::JSValue function, JSC::JSValue senderWrapper, + Qt::ConnectionType type) +{ + if (connections.size() <= signalIndex) + connections.resize(signalIndex+1); + QVector<QObjectConnection> &cs = connections[signalIndex]; + int absSlotIndex = slotCounter + metaObject()->methodOffset(); + bool ok = QMetaObject::connect(sender, signalIndex, this, absSlotIndex, type); + if (ok) { + cs.append(QObjectConnection(slotCounter++, receiver, function, senderWrapper)); + QMetaMethod signal = sender->metaObject()->method(signalIndex); + QByteArray signalString; + signalString.append('2'); // signal code + signalString.append(signal.signature()); + static_cast<QObjectNotifyCaller*>(sender)->callConnectNotify(signalString); + } + return ok; +} + +bool QObjectConnectionManager::removeSignalHandler( + QObject *sender, int signalIndex, + JSC::JSValue receiver, JSC::JSValue slot) +{ + if (connections.size() <= signalIndex) + return false; + QVector<QObjectConnection> &cs = connections[signalIndex]; + for (int i = 0; i < cs.size(); ++i) { + const QObjectConnection &c = cs.at(i); + if (c.hasTarget(receiver, slot)) { + int absSlotIndex = c.slotIndex + metaObject()->methodOffset(); + bool ok = QMetaObject::disconnect(sender, signalIndex, this, absSlotIndex); + if (ok) { + cs.remove(i); + QMetaMethod signal = sender->metaObject()->method(signalIndex); + QByteArray signalString; + signalString.append('2'); // signal code + signalString.append(signal.signature()); + static_cast<QScript::QObjectNotifyCaller*>(sender)->callDisconnectNotify(signalString); + } + return ok; + } + } + return false; +} + +QObjectData::QObjectData(QScriptEnginePrivate *eng) + : engine(eng), connectionManager(0) +{ +} + +QObjectData::~QObjectData() +{ + if (connectionManager) { + delete connectionManager; + connectionManager = 0; + } +} + +void QObjectData::mark() +{ + if (connectionManager) + connectionManager->mark(); + { + QList<QScript::QObjectWrapperInfo>::iterator it; + for (it = wrappers.begin(); it != wrappers.end(); ) { + const QScript::QObjectWrapperInfo &info = *it; + if (info.object->marked()) { + ++it; + } else { + it = wrappers.erase(it); + } + } + } +} + +bool QObjectData::addSignalHandler(QObject *sender, + int signalIndex, + JSC::JSValue receiver, + JSC::JSValue slot, + JSC::JSValue senderWrapper, + Qt::ConnectionType type) +{ + if (!connectionManager) + connectionManager = new QObjectConnectionManager(engine); + return connectionManager->addSignalHandler( + sender, signalIndex, receiver, slot, senderWrapper, type); +} + +bool QObjectData::removeSignalHandler(QObject *sender, + int signalIndex, + JSC::JSValue receiver, + JSC::JSValue slot) +{ + if (!connectionManager) + return false; + return connectionManager->removeSignalHandler( + sender, signalIndex, receiver, slot); +} + +QScriptObject *QObjectData::findWrapper(QScriptEngine::ValueOwnership ownership, + const QScriptEngine::QObjectWrapOptions &options) const +{ + for (int i = 0; i < wrappers.size(); ++i) { + const QObjectWrapperInfo &info = wrappers.at(i); + if ((info.ownership == ownership) && (info.options == options)) + return info.object; + } + return 0; +} + +void QObjectData::registerWrapper(QScriptObject *wrapper, + QScriptEngine::ValueOwnership ownership, + const QScriptEngine::QObjectWrapOptions &options) +{ + wrappers.append(QObjectWrapperInfo(wrapper, ownership, options)); +} + +} // namespace QScript + +namespace JSC +{ + ASSERT_CLASS_FITS_IN_CELL(QScript::QtFunction); +} + +QT_END_NAMESPACE + +#include "moc_qscriptqobject_p.cpp" + |