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diff --git a/src/declarative/qml/v4/qdeclarativev4bindings.cpp b/src/declarative/qml/v4/qdeclarativev4bindings.cpp
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+++ b/src/declarative/qml/v4/qdeclarativev4bindings.cpp
@@ -0,0 +1,1530 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// #define REGISTER_CLEANUP_DEBUG
+
+#include "private/qdeclarativev4bindings_p.h"
+#include "private/qdeclarativev4program_p.h"
+#include "private/qdeclarativev4compiler_p.h"
+
+#include <private/qdeclarativefastproperties_p.h>
+#include <private/qdeclarativedebugtrace_p.h>
+#include <private/qdeclarativeanchors_p_p.h> // For AnchorLine
+#include <private/qsganchors_p_p.h> // For AnchorLine
+
+#include <QtDeclarative/qdeclarativeinfo.h>
+#include <QtCore/qnumeric.h>
+#include <QtCore/qmath.h>
+#include <math.h> // ::fmod
+
+QT_BEGIN_NAMESPACE
+
+using namespace QDeclarativeJS;
+
+namespace {
+struct Register {
+ typedef QDeclarativeRegisterType Type;
+
+ void setUndefined() { dataType = UndefinedType; }
+ void setNaN() { setqreal(qSNaN()); }
+ bool isUndefined() const { return dataType == UndefinedType; }
+
+ void setQObject(QObject *o) { *((QObject **)data) = o; dataType = QObjectStarType; }
+ QObject *getQObject() const { return *((QObject **)data); }
+
+ void setqreal(qreal v) { *((qreal *)data) = v; dataType = QRealType; }
+ qreal getqreal() const { return *((qreal *)data); }
+ qreal &getqrealref() const { return *((qreal *)data); }
+
+ void setint(int v) { *((int *)data) = v; dataType = IntType; }
+ int getint() const { return *((int *)data); }
+ int &getintref() const { return *((int *)data); }
+
+ void setbool(bool v) { *((bool *)data) = v; dataType = BoolType; }
+ bool getbool() const { return *((bool *)data); }
+ bool &getboolref() const { return *((bool *)data); }
+
+ QVariant *getvariantptr() { return (QVariant *)typeDataPtr(); }
+ QString *getstringptr() { return (QString *)typeDataPtr(); }
+ QUrl *geturlptr() { return (QUrl *)typeDataPtr(); }
+ const QVariant *getvariantptr() const { return (QVariant *)typeDataPtr(); }
+ const QString *getstringptr() const { return (QString *)typeDataPtr(); }
+ const QUrl *geturlptr() const { return (QUrl *)typeDataPtr(); }
+
+ void *typeDataPtr() { return (void *)&data; }
+ void *typeMemory() { return (void *)data; }
+ const void *typeDataPtr() const { return (void *)&data; }
+ const void *typeMemory() const { return (void *)data; }
+
+ Type gettype() const { return dataType; }
+ void settype(Type t) { dataType = t; }
+
+ // int type; // Optional type
+
+ Type dataType; // Type of data
+ void *data[2]; // Object stored here
+
+ inline void cleanup();
+ inline void cleanupString();
+ inline void cleanupUrl();
+ inline void cleanupVariant();
+
+ inline void copy(const Register &other);
+ inline void init(Type type);
+#ifdef REGISTER_CLEANUP_DEBUG
+ Register() {
+ type = 0;
+ }
+
+ ~Register() {
+ if (dataType >= FirstCleanupType)
+ qWarning("Register leaked of type %d", dataType);
+ }
+#endif
+};
+
+void Register::cleanup()
+{
+ if (dataType >= FirstCleanupType) {
+ if (dataType == QStringType) {
+ getstringptr()->~QString();
+ } else if (dataType == QUrlType) {
+ geturlptr()->~QUrl();
+ } else if (dataType == QVariantType) {
+ getvariantptr()->~QVariant();
+ }
+ }
+ setUndefined();
+}
+
+void Register::cleanupString()
+{
+ getstringptr()->~QString();
+ setUndefined();
+}
+
+void Register::cleanupUrl()
+{
+ geturlptr()->~QUrl();
+ setUndefined();
+}
+
+void Register::cleanupVariant()
+{
+ getvariantptr()->~QVariant();
+ setUndefined();
+}
+
+void Register::copy(const Register &other)
+{
+ *this = other;
+ if (other.dataType >= FirstCleanupType) {
+ if (other.dataType == QStringType)
+ new (getstringptr()) QString(*other.getstringptr());
+ else if (other.dataType == QUrlType)
+ new (geturlptr()) QUrl(*other.geturlptr());
+ else if (other.dataType == QVariantType)
+ new (getvariantptr()) QVariant(*other.getvariantptr());
+ }
+}
+
+void Register::init(Type type)
+{
+ dataType = type;
+ if (dataType >= FirstCleanupType) {
+ if (dataType == QStringType)
+ new (getstringptr()) QString();
+ else if (dataType == QUrlType)
+ new (geturlptr()) QUrl();
+ else if (dataType == QVariantType)
+ new (getvariantptr()) QVariant();
+ }
+}
+
+} // end of anonymous namespace
+
+class QDeclarativeV4BindingsPrivate : public QObjectPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeV4Bindings)
+
+public:
+ QDeclarativeV4BindingsPrivate();
+ virtual ~QDeclarativeV4BindingsPrivate();
+
+ struct Binding : public QDeclarativeAbstractBinding, public QDeclarativeDelayedError {
+ Binding() : enabled(false), updating(0), property(0),
+ scope(0), target(0), executedBlocks(0), parent(0) {}
+
+ // Inherited from QDeclarativeAbstractBinding
+ virtual void setEnabled(bool, QDeclarativePropertyPrivate::WriteFlags flags);
+ virtual void update(QDeclarativePropertyPrivate::WriteFlags flags);
+ virtual void destroy();
+
+ int index:30;
+ bool enabled:1;
+ bool updating:1;
+ int property;
+ QObject *scope;
+ QObject *target;
+ quint32 executedBlocks;
+
+ QDeclarativeV4BindingsPrivate *parent;
+ };
+
+ typedef QDeclarativeNotifierEndpoint Subscription;
+ Subscription *subscriptions;
+ QScriptDeclarativeClass::PersistentIdentifier *identifiers;
+
+ void run(Binding *, QDeclarativePropertyPrivate::WriteFlags flags);
+
+ QDeclarativeV4Program *program;
+ Binding *bindings;
+
+ static int methodCount;
+
+ void init();
+ void run(int instr, quint32 &executedBlocks, QDeclarativeContextData *context,
+ QDeclarativeDelayedError *error, QObject *scope, QObject *output,
+ QDeclarativePropertyPrivate::WriteFlags storeFlags
+#ifdef QML_THREADED_INTERPRETER
+ , void ***decode_instr = 0
+#endif
+ );
+
+
+ inline void unsubscribe(int subIndex);
+ inline void subscribeId(QDeclarativeContextData *p, int idIndex, int subIndex);
+ inline void subscribe(QObject *o, int notifyIndex, int subIndex);
+
+ inline static qint32 toInt32(qsreal n);
+ static const qsreal D32;
+ static quint32 toUint32(qsreal n);
+};
+
+QDeclarativeV4BindingsPrivate::QDeclarativeV4BindingsPrivate()
+: subscriptions(0), identifiers(0), program(0), bindings(0)
+{
+}
+
+QDeclarativeV4BindingsPrivate::~QDeclarativeV4BindingsPrivate()
+{
+ delete [] subscriptions; subscriptions = 0;
+ delete [] identifiers; identifiers = 0;
+}
+
+int QDeclarativeV4BindingsPrivate::methodCount = -1;
+
+QDeclarativeV4Bindings::QDeclarativeV4Bindings(const char *program, QDeclarativeContextData *context)
+: QObject(*(new QDeclarativeV4BindingsPrivate))
+{
+ Q_D(QDeclarativeV4Bindings);
+
+ if (d->methodCount == -1)
+ d->methodCount = QDeclarativeV4Bindings::staticMetaObject.methodCount();
+
+ d->program = (QDeclarativeV4Program *)program;
+
+ if (program) {
+ d->init();
+
+ QDeclarativeAbstractExpression::setContext(context);
+ }
+}
+
+QDeclarativeV4Bindings::~QDeclarativeV4Bindings()
+{
+ Q_D(QDeclarativeV4Bindings);
+
+ delete [] d->bindings;
+}
+
+QDeclarativeAbstractBinding *QDeclarativeV4Bindings::configBinding(int index, QObject *target,
+ QObject *scope, int property)
+{
+ Q_D(QDeclarativeV4Bindings);
+
+ QDeclarativeV4BindingsPrivate::Binding *rv = d->bindings + index;
+
+ rv->index = index;
+ rv->property = property;
+ rv->target = target;
+ rv->scope = scope;
+ rv->parent = d;
+
+ addref(); // This is decremented in Binding::destroy()
+
+ return rv;
+}
+
+void QDeclarativeV4BindingsPrivate::Binding::setEnabled(bool e, QDeclarativePropertyPrivate::WriteFlags flags)
+{
+ if (enabled != e) {
+ enabled = e;
+
+ if (e) update(flags);
+ }
+}
+
+void QDeclarativeV4BindingsPrivate::Binding::update(QDeclarativePropertyPrivate::WriteFlags flags)
+{
+ QDeclarativeDebugTrace::startRange(QDeclarativeDebugTrace::Binding);
+ parent->run(this, flags);
+ QDeclarativeDebugTrace::endRange(QDeclarativeDebugTrace::Binding);
+}
+
+void QDeclarativeV4BindingsPrivate::Binding::destroy()
+{
+ enabled = false;
+ removeFromObject();
+ clear();
+ parent->q_func()->release();
+}
+
+int QDeclarativeV4Bindings::qt_metacall(QMetaObject::Call c, int id, void **)
+{
+ Q_D(QDeclarativeV4Bindings);
+
+ if (c == QMetaObject::InvokeMetaMethod && id >= d->methodCount) {
+ id -= d->methodCount;
+
+ QDeclarativeV4Program::BindingReferenceList *list = d->program->signalTable(id);
+
+ for (quint32 ii = 0; ii < list->count; ++ii) {
+ QDeclarativeV4Program::BindingReference *bindingRef = list->bindings + ii;
+
+ QDeclarativeV4BindingsPrivate::Binding *binding = d->bindings + bindingRef->binding;
+ if (binding->executedBlocks & bindingRef->blockMask)
+ d->run(binding, QDeclarativePropertyPrivate::DontRemoveBinding);
+ }
+ }
+ return -1;
+}
+
+void QDeclarativeV4BindingsPrivate::run(Binding *binding, QDeclarativePropertyPrivate::WriteFlags flags)
+{
+ Q_Q(QDeclarativeV4Bindings);
+
+ if (!binding->enabled)
+ return;
+
+ QDeclarativeContextData *context = q->QDeclarativeAbstractExpression::context();
+ if (!context || !context->isValid())
+ return;
+
+ if (binding->updating) {
+ QString name;
+ if (binding->property & 0xFFFF0000) {
+ QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(context->engine);
+
+ QDeclarativeValueType *vt = ep->valueTypes[(binding->property >> 16) & 0xFF];
+ Q_ASSERT(vt);
+
+ name = QLatin1String(binding->target->metaObject()->property(binding->property & 0xFFFF).name());
+ name.append(QLatin1String("."));
+ name.append(QLatin1String(vt->metaObject()->property(binding->property >> 24).name()));
+ } else {
+ name = QLatin1String(binding->target->metaObject()->property(binding->property).name());
+ }
+ qmlInfo(binding->target) << QCoreApplication::translate("QDeclarativeV4Bindings", "Binding loop detected for property \"%1\"").arg(name);
+ return;
+ }
+
+ binding->updating = true;
+ if (binding->property & 0xFFFF0000) {
+ QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(context->engine);
+
+ QDeclarativeValueType *vt = ep->valueTypes[(binding->property >> 16) & 0xFF];
+ Q_ASSERT(vt);
+ vt->read(binding->target, binding->property & 0xFFFF);
+
+ QObject *target = vt;
+ run(binding->index, binding->executedBlocks, context, binding, binding->scope, target, flags);
+
+ vt->write(binding->target, binding->property & 0xFFFF, flags);
+ } else {
+ run(binding->index, binding->executedBlocks, context, binding, binding->scope, binding->target, flags);
+ }
+ binding->updating = false;
+}
+
+
+void QDeclarativeV4BindingsPrivate::unsubscribe(int subIndex)
+{
+ QDeclarativeV4BindingsPrivate::Subscription *sub = (subscriptions + subIndex);
+ sub->disconnect();
+}
+
+void QDeclarativeV4BindingsPrivate::subscribeId(QDeclarativeContextData *p, int idIndex, int subIndex)
+{
+ Q_Q(QDeclarativeV4Bindings);
+
+ unsubscribe(subIndex);
+
+ if (p->idValues[idIndex]) {
+ QDeclarativeV4BindingsPrivate::Subscription *sub = (subscriptions + subIndex);
+ sub->target = q;
+ sub->targetMethod = methodCount + subIndex;
+ sub->connect(&p->idValues[idIndex].bindings);
+ }
+}
+
+void QDeclarativeV4BindingsPrivate::subscribe(QObject *o, int notifyIndex, int subIndex)
+{
+ Q_Q(QDeclarativeV4Bindings);
+
+ QDeclarativeV4BindingsPrivate::Subscription *sub = (subscriptions + subIndex);
+ sub->target = q;
+ sub->targetMethod = methodCount + subIndex;
+ if (o)
+ sub->connect(o, notifyIndex);
+ else
+ sub->disconnect();
+}
+
+// Conversion functions - these MUST match the QtScript expression path
+inline static qreal toReal(Register *reg, int type, bool *ok = 0)
+{
+ if (ok) *ok = true;
+
+ if (type == QMetaType::QReal) {
+ return reg->getqreal();
+ } else if (type == qMetaTypeId<QVariant>()) {
+ return reg->getvariantptr()->toReal();
+ } else {
+ if (ok) *ok = false;
+ return 0;
+ }
+}
+
+inline static QString toString(Register *reg, int type, bool *ok = 0)
+{
+ if (ok) *ok = true;
+
+ if (type == QMetaType::QReal) {
+ return QString::number(reg->getqreal());
+ } else if (type == QMetaType::Int) {
+ return QString::number(reg->getint());
+ } else if (type == qMetaTypeId<QVariant>()) {
+ return reg->getvariantptr()->toString();
+ } else if (type == QMetaType::QString) {
+ return *reg->getstringptr();
+ } else {
+ if (ok) *ok = false;
+ return QString();
+ }
+}
+
+inline static bool toBool(Register *reg, int type, bool *ok = 0)
+{
+ if (ok) *ok = true;
+
+ if (type == QMetaType::Bool) {
+ return reg->getbool();
+ } else if (type == qMetaTypeId<QVariant>()) {
+ return reg->getvariantptr()->toBool();
+ } else {
+ if (ok) *ok = false;
+ return false;
+ }
+}
+
+inline static QUrl toUrl(Register *reg, int type, QDeclarativeContextData *context, bool *ok = 0)
+{
+ if (ok) *ok = true;
+
+ QUrl base;
+ if (type == qMetaTypeId<QVariant>()) {
+ QVariant *var = reg->getvariantptr();
+ int vt = var->type();
+ if (vt == QVariant::Url) {
+ base = var->toUrl();
+ } else if (vt == QVariant::ByteArray) {
+ base = QUrl(QString::fromUtf8(var->toByteArray()));
+ } else if (vt == QVariant::String) {
+ base = QUrl(var->toString());
+ } else {
+ if (ok) *ok = false;
+ return QUrl();
+ }
+ } else if (type == QMetaType::QString) {
+ base = QUrl(*reg->getstringptr());
+ } else {
+ if (ok) *ok = false;
+ return QUrl();
+ }
+
+ if (!base.isEmpty() && base.isRelative())
+ return context->url.resolved(base);
+ else
+ return base;
+}
+
+static QObject *variantToQObject(const QVariant &value, bool *ok)
+{
+ if (ok) *ok = true;
+
+ if (value.userType() == QMetaType::QObjectStar) {
+ return qvariant_cast<QObject*>(value);
+ } else {
+ if (ok) *ok = false;
+ return 0;
+ }
+}
+
+void QDeclarativeV4BindingsPrivate::init()
+{
+ if (program->subscriptions)
+ subscriptions = new QDeclarativeV4BindingsPrivate::Subscription[program->subscriptions];
+ if (program->identifiers)
+ identifiers = new QScriptDeclarativeClass::PersistentIdentifier[program->identifiers];
+
+ bindings = new QDeclarativeV4BindingsPrivate::Binding[program->bindings];
+}
+
+static bool testCompareVariants(const QVariant &qtscriptRaw, const QVariant &v4)
+{
+ QVariant qtscript = qtscriptRaw;
+
+ if (qtscript.userType() == v4.userType()) {
+ } else if (qtscript.canConvert((QVariant::Type)v4.userType())) {
+ qtscript.convert((QVariant::Type)v4.userType());
+ } else if (qtscript.userType() == QVariant::Invalid && v4.userType() == QMetaType::QObjectStar) {
+ qtscript = qVariantFromValue<QObject *>(0);
+ } else {
+ return false;
+ }
+
+ int type = qtscript.userType();
+
+ if (type == qMetaTypeId<QDeclarativeAnchorLine>()) {
+ QDeclarativeAnchorLine la = qvariant_cast<QDeclarativeAnchorLine>(qtscript);
+ QDeclarativeAnchorLine ra = qvariant_cast<QDeclarativeAnchorLine>(v4);
+
+ return la == ra;
+ } else if (type == qMetaTypeId<QSGAnchorLine>()) {
+ QSGAnchorLine la = qvariant_cast<QSGAnchorLine>(qtscript);
+ QSGAnchorLine ra = qvariant_cast<QSGAnchorLine>(v4);
+
+ return la == ra;
+ } else if (type == QMetaType::Double) {
+
+ double la = qvariant_cast<double>(qtscript);
+ double lr = qvariant_cast<double>(v4);
+
+ return la == lr || (qIsNaN(la) && qIsNaN(lr));
+
+ } else if (type == QMetaType::Float) {
+
+ float la = qvariant_cast<float>(qtscript);
+ float lr = qvariant_cast<float>(v4);
+
+ return la == lr || (qIsNaN(la) && qIsNaN(lr));
+
+ } else {
+ return qtscript == v4;
+ }
+}
+
+QByteArray testResultToString(const QVariant &result, bool undefined)
+{
+ if (undefined) {
+ return "undefined";
+ } else {
+ QString rv;
+ QDebug d(&rv);
+ d << result;
+ return rv.toUtf8();
+ }
+}
+
+static void testBindingResult(const QString &binding, int line, int column,
+ QDeclarativeContextData *context, QObject *scope,
+ const Register &result, int resultType)
+{
+ QDeclarativeExpression expression(context->asQDeclarativeContext(), scope, binding);
+ bool isUndefined = false;
+ QVariant value = expression.evaluate(&isUndefined);
+
+ bool iserror = false;
+ QByteArray qtscriptResult;
+ QByteArray v4Result;
+
+ if (expression.hasError()) {
+ iserror = true;
+ qtscriptResult = "exception";
+ } else {
+ qtscriptResult = testResultToString(value, isUndefined);
+ }
+
+ if (isUndefined && result.isUndefined()) {
+ return;
+ } else if(isUndefined != result.isUndefined()) {
+ iserror = true;
+ }
+
+ QVariant v4value;
+ if (!result.isUndefined()) {
+ switch (resultType) {
+ case QMetaType::QString:
+ v4value = *result.getstringptr();
+ break;
+ case QMetaType::QUrl:
+ v4value = *result.geturlptr();
+ break;
+ case QMetaType::QObjectStar:
+ v4value = qVariantFromValue<QObject *>(result.getQObject());
+ break;
+ case QMetaType::Bool:
+ v4value = result.getbool();
+ break;
+ case QMetaType::Int:
+ v4value = result.getint();
+ break;
+ case QMetaType::QReal:
+ v4value = result.getqreal();
+ break;
+ default:
+ if (resultType == qMetaTypeId<QDeclarativeAnchorLine>()) {
+ v4value = qVariantFromValue<QDeclarativeAnchorLine>(*(QDeclarativeAnchorLine *)result.typeDataPtr());
+ } else if (resultType == qMetaTypeId<QSGAnchorLine>()) {
+ v4value = qVariantFromValue<QSGAnchorLine>(*(QSGAnchorLine *)result.typeDataPtr());
+ } else {
+ iserror = true;
+ v4Result = "Unknown V4 type";
+ }
+ }
+ }
+ if (v4Result.isEmpty())
+ v4Result = testResultToString(v4value, result.isUndefined());
+
+ if (!testCompareVariants(value, v4value))
+ iserror = true;
+
+ if (iserror) {
+ qWarning().nospace() << "QDeclarativeV4: Optimization error @" << context->url.toString().toUtf8().constData() << ":" << line << ":" << column;
+
+ qWarning().nospace() << " Binding: " << binding;
+ qWarning().nospace() << " QtScript: " << qtscriptResult.constData();
+ qWarning().nospace() << " V4: " << v4Result.constData();
+ }
+}
+
+static void testBindingException(const QString &binding, int line, int column,
+ QDeclarativeContextData *context, QObject *scope)
+{
+ QDeclarativeExpression expression(context->asQDeclarativeContext(), scope, binding);
+ bool isUndefined = false;
+ QVariant value = expression.evaluate(&isUndefined);
+
+ if (!expression.hasError()) {
+ QByteArray qtscriptResult = testResultToString(value, isUndefined);
+ qWarning().nospace() << "QDeclarativeV4: Optimization error @" << context->url.toString().toUtf8().constData() << ":" << line << ":" << column;
+ qWarning().nospace() << " Binding: " << binding;
+ qWarning().nospace() << " QtScript: " << qtscriptResult.constData();
+ qWarning().nospace() << " V4: exception";
+ }
+}
+
+static void throwException(int id, QDeclarativeDelayedError *error,
+ QDeclarativeV4Program *program, QDeclarativeContextData *context,
+ const QString &description = QString())
+{
+ error->error.setUrl(context->url);
+ if (description.isEmpty())
+ error->error.setDescription(QLatin1String("TypeError: Result of expression is not an object"));
+ else
+ error->error.setDescription(description);
+ if (id != 0xFF) {
+ quint64 e = *((quint64 *)(program->data() + program->exceptionDataOffset) + id);
+ error->error.setLine((e >> 32) & 0xFFFFFFFF);
+ error->error.setColumn(e & 0xFFFFFFFF);
+ } else {
+ error->error.setLine(-1);
+ error->error.setColumn(-1);
+ }
+ if (!context->engine || !error->addError(QDeclarativeEnginePrivate::get(context->engine)))
+ QDeclarativeEnginePrivate::warning(context->engine, error->error);
+}
+
+const qsreal QDeclarativeV4BindingsPrivate::D32 = 4294967296.0;
+
+qint32 QDeclarativeV4BindingsPrivate::toInt32(qsreal n)
+{
+ if (qIsNaN(n) || qIsInf(n) || (n == 0))
+ return 0;
+
+ double sign = (n < 0) ? -1.0 : 1.0;
+ qsreal abs_n = fabs(n);
+
+ n = ::fmod(sign * ::floor(abs_n), D32);
+ const double D31 = D32 / 2.0;
+
+ if (sign == -1 && n < -D31)
+ n += D32;
+
+ else if (sign != -1 && n >= D31)
+ n -= D32;
+
+ return qint32 (n);
+}
+
+inline quint32 QDeclarativeV4BindingsPrivate::toUint32(qsreal n)
+{
+ if (qIsNaN(n) || qIsInf(n) || (n == 0))
+ return 0;
+
+ double sign = (n < 0) ? -1.0 : 1.0;
+ qsreal abs_n = fabs(n);
+
+ n = ::fmod(sign * ::floor(abs_n), D32);
+
+ if (n < 0)
+ n += D32;
+
+ return quint32 (n);
+}
+
+#define THROW_EXCEPTION_STR(id, str) { \
+ if (testBinding) testBindingException(*testBindingSource, bindingLine, bindingColumn, context, scope); \
+ throwException((id), error, program, context, (str)); \
+ goto exceptionExit; \
+}
+
+#define THROW_EXCEPTION(id) THROW_EXCEPTION_STR(id, QString())
+
+#define MARK_REGISTER(reg) cleanupRegisterMask |= (1 << (reg))
+#define MARK_CLEAN_REGISTER(reg) cleanupRegisterMask &= ~(1 << (reg))
+
+#define STRING_REGISTER(reg) { \
+ registers[(reg)].settype(QStringType); \
+ MARK_REGISTER(reg); \
+}
+
+#define URL_REGISTER(reg) { \
+ registers[(reg)].settype(QUrlType); \
+ MARK_REGISTER(reg); \
+}
+
+#define VARIANT_REGISTER(reg) { \
+ registers[(reg)].settype(QVariantType); \
+ MARK_REGISTER(reg); \
+}
+
+#ifdef QML_THREADED_INTERPRETER
+void **QDeclarativeV4Bindings::getDecodeInstrTable()
+{
+ static void **decode_instr;
+ if (!decode_instr) {
+ QDeclarativeV4Bindings dummy(0, 0);
+ quint32 executedBlocks = 0;
+ dummy.d_func()->run(0, executedBlocks, 0, 0, 0, 0, QDeclarativePropertyPrivate::BypassInterceptor, &decode_instr);
+ }
+ return decode_instr;
+}
+#endif
+
+void QDeclarativeV4BindingsPrivate::run(int instrIndex, quint32 &executedBlocks,
+ QDeclarativeContextData *context, QDeclarativeDelayedError *error,
+ QObject *scope, QObject *output, QDeclarativePropertyPrivate::WriteFlags storeFlags
+#ifdef QML_THREADED_INTERPRETER
+ ,void ***table
+#endif
+ )
+{
+ Q_Q(QDeclarativeV4Bindings);
+
+#ifdef QML_THREADED_INTERPRETER
+ if (table) {
+ static void *decode_instr[] = {
+ FOR_EACH_QML_INSTR(QML_INSTR_ADDR)
+ };
+
+ *table = decode_instr;
+ return;
+ }
+#endif
+
+
+ error->removeError();
+
+ Register registers[32];
+ quint32 cleanupRegisterMask = 0;
+
+ executedBlocks = 0;
+
+ QDeclarativeEnginePrivate *engine = QDeclarativeEnginePrivate::get(context->engine);
+ const char *code = program->instructions();
+ code += instrIndex * QML_INSTR_SIZE(Jump, jump);
+ const Instr *instr = (const Instr *) code;
+
+ const char *data = program->data();
+
+ QString *testBindingSource = 0;
+ bool testBinding = false;
+ int bindingLine = 0;
+ int bindingColumn = 0;
+
+#ifdef QML_THREADED_INTERPRETER
+ goto *instr->common.code;
+#else
+ for (;;) {
+ switch (instr->common.type) {
+#endif
+
+ QML_BEGIN_INSTR(Noop, common)
+ QML_END_INSTR(Noop, common)
+
+ QML_BEGIN_INSTR(BindingId, id)
+ bindingLine = instr->id.line;
+ bindingColumn = instr->id.column;
+ QML_END_INSTR(BindingId, id)
+
+ QML_BEGIN_INSTR(SubscribeId, subscribeop)
+ subscribeId(context, instr->subscribeop.index, instr->subscribeop.offset);
+ QML_END_INSTR(SubscribeId, subscribeop)
+
+ QML_BEGIN_INSTR(Subscribe, subscribeop)
+ {
+ QObject *o = 0;
+ const Register &object = registers[instr->subscribeop.reg];
+ if (!object.isUndefined()) o = object.getQObject();
+ subscribe(o, instr->subscribeop.index, instr->subscribeop.offset);
+ }
+ QML_END_INSTR(Subscribe, subscribeop)
+
+ QML_BEGIN_INSTR(FetchAndSubscribe, fetchAndSubscribe)
+ {
+ Register &reg = registers[instr->fetchAndSubscribe.reg];
+
+ if (reg.isUndefined())
+ THROW_EXCEPTION(instr->fetchAndSubscribe.exceptionId);
+
+ QObject *object = reg.getQObject();
+ if (!object) {
+ reg.setUndefined();
+ } else {
+ int subIdx = instr->fetchAndSubscribe.subscription;
+ QDeclarativeV4BindingsPrivate::Subscription *sub = 0;
+ if (subIdx != -1) {
+ sub = (subscriptions + subIdx);
+ sub->target = q;
+ sub->targetMethod = methodCount + subIdx;
+ }
+ reg.init((Register::Type)instr->fetchAndSubscribe.valueType);
+ if (instr->fetchAndSubscribe.valueType >= FirstCleanupType)
+ MARK_REGISTER(instr->fetchAndSubscribe.reg);
+ QDeclarativeV4Compiler::fastPropertyAccessor()->accessor(instr->fetchAndSubscribe.function)(object, reg.typeDataPtr(), sub);
+ }
+ }
+ QML_END_INSTR(FetchAndSubscribe, fetchAndSubscribe)
+
+ QML_BEGIN_INSTR(LoadId, load)
+ registers[instr->load.reg].setQObject(context->idValues[instr->load.index].data());
+ QML_END_INSTR(LoadId, load)
+
+ QML_BEGIN_INSTR(LoadScope, load)
+ registers[instr->load.reg].setQObject(scope);
+ QML_END_INSTR(LoadScope, load)
+
+ QML_BEGIN_INSTR(LoadRoot, load)
+ registers[instr->load.reg].setQObject(context->contextObject);
+ QML_END_INSTR(LoadRoot, load)
+
+ QML_BEGIN_INSTR(LoadAttached, attached)
+ {
+ const Register &input = registers[instr->attached.reg];
+ Register &output = registers[instr->attached.output];
+ if (input.isUndefined())
+ THROW_EXCEPTION(instr->attached.exceptionId);
+
+ QObject *object = registers[instr->attached.reg].getQObject();
+ if (!object) {
+ output.setUndefined();
+ } else {
+ QObject *attached = qmlAttachedPropertiesObjectById(instr->attached.id, input.getQObject(), true);
+ Q_ASSERT(attached);
+ output.setQObject(attached);
+ }
+ }
+ QML_END_INSTR(LoadAttached, attached)
+
+ QML_BEGIN_INSTR(UnaryNot, unaryop)
+ {
+ registers[instr->unaryop.output].setbool(!registers[instr->unaryop.src].getbool());
+ }
+ QML_END_INSTR(UnaryNot, unaryop)
+
+ QML_BEGIN_INSTR(UnaryMinusReal, unaryop)
+ {
+ registers[instr->unaryop.output].setqreal(-registers[instr->unaryop.src].getqreal());
+ }
+ QML_END_INSTR(UnaryMinusReal, unaryop)
+
+ QML_BEGIN_INSTR(UnaryMinusInt, unaryop)
+ {
+ registers[instr->unaryop.output].setint(-registers[instr->unaryop.src].getint());
+ }
+ QML_END_INSTR(UnaryMinusInt, unaryop)
+
+ QML_BEGIN_INSTR(UnaryPlusReal, unaryop)
+ {
+ registers[instr->unaryop.output].setqreal(+registers[instr->unaryop.src].getqreal());
+ }
+ QML_END_INSTR(UnaryPlusReal, unaryop)
+
+ QML_BEGIN_INSTR(UnaryPlusInt, unaryop)
+ {
+ registers[instr->unaryop.output].setint(+registers[instr->unaryop.src].getint());
+ }
+ QML_END_INSTR(UnaryPlusInt, unaryop)
+
+ QML_BEGIN_INSTR(ConvertBoolToInt, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setint(src.getbool());
+ }
+ QML_END_INSTR(ConvertBoolToInt, unaryop)
+
+ QML_BEGIN_INSTR(ConvertBoolToReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setqreal(src.getbool());
+ }
+ QML_END_INSTR(ConvertBoolToReal, unaryop)
+
+ QML_BEGIN_INSTR(ConvertBoolToString, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) {
+ output.setUndefined();
+ } else {
+ new (output.getstringptr()) QString(QLatin1String(src.getbool() ? "true" : "false"));
+ STRING_REGISTER(instr->unaryop.output);
+ }
+ }
+ QML_END_INSTR(ConvertBoolToString, unaryop)
+
+ QML_BEGIN_INSTR(ConvertIntToBool, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setbool(src.getint());
+ }
+ QML_END_INSTR(ConvertIntToBool, unaryop)
+
+ QML_BEGIN_INSTR(ConvertIntToReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setqreal(qreal(src.getint()));
+ }
+ QML_END_INSTR(ConvertIntToReal, unaryop)
+
+ QML_BEGIN_INSTR(ConvertIntToString, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) {
+ output.setUndefined();
+ } else {
+ new (output.getstringptr()) QString(QString::number(src.getint()));
+ STRING_REGISTER(instr->unaryop.output);
+ }
+ }
+ QML_END_INSTR(ConvertIntToString, unaryop)
+
+ QML_BEGIN_INSTR(ConvertRealToBool, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setbool(src.getqreal() != 0);
+ }
+ QML_END_INSTR(ConvertRealToBool, unaryop)
+
+ QML_BEGIN_INSTR(ConvertRealToInt, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setint(toInt32(src.getqreal()));
+ }
+ QML_END_INSTR(ConvertRealToInt, unaryop)
+
+ QML_BEGIN_INSTR(ConvertRealToString, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ // ### NaN
+ if (src.isUndefined()) {
+ output.setUndefined();
+ } else {
+ new (output.getstringptr()) QString(QString::number(src.getqreal()));
+ STRING_REGISTER(instr->unaryop.output);
+ }
+ }
+ QML_END_INSTR(ConvertRealToString, unaryop)
+
+ QML_BEGIN_INSTR(ConvertStringToBool, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ // ### NaN
+ if (src.isUndefined()) {
+ output.setUndefined();
+ } else {
+ // Delegate the conversion. This is pretty fast and it doesn't require a QScriptEngine.
+ // Ideally we should just call the methods in the QScript namespace directly.
+ QScriptValue tmp(*src.getstringptr());
+ if (instr->unaryop.src == instr->unaryop.output) {
+ output.cleanupString();
+ MARK_CLEAN_REGISTER(instr->unaryop.output);
+ }
+ output.setbool(tmp.toBool());
+ }
+ }
+ QML_END_INSTR(ConvertStringToBool, unaryop)
+
+ QML_BEGIN_INSTR(ConvertStringToInt, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ // ### NaN
+ if (src.isUndefined()) {
+ output.setUndefined();
+ } else {
+ // Delegate the conversion. This is pretty fast and it doesn't require a QScriptEngine.
+ // Ideally we should just call the methods in the QScript namespace directly.
+ QScriptValue tmp(*src.getstringptr());
+ if (instr->unaryop.src == instr->unaryop.output) {
+ output.cleanupString();
+ MARK_CLEAN_REGISTER(instr->unaryop.output);
+ }
+ output.setint(tmp.toInt32());
+ }
+ }
+ QML_END_INSTR(ConvertStringToInt, unaryop)
+
+ QML_BEGIN_INSTR(ConvertStringToReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ // ### NaN
+ if (src.isUndefined()) {
+ output.setUndefined();
+ } else {
+ // Delegate the conversion. This is pretty fast and it doesn't require a QScriptEngine.
+ // Ideally we should just call the methods in the QScript namespace directly.
+ QScriptValue tmp(*src.getstringptr());
+ if (instr->unaryop.src == instr->unaryop.output) {
+ output.cleanupString();
+ MARK_CLEAN_REGISTER(instr->unaryop.output);
+ }
+ output.setqreal(tmp.toNumber());
+ }
+ }
+ QML_END_INSTR(ConvertStringToReal, unaryop)
+
+ QML_BEGIN_INSTR(MathSinReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setqreal(qSin(src.getqreal()));
+ }
+ QML_END_INSTR(MathSinReal, unaryop)
+
+ QML_BEGIN_INSTR(MathCosReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setqreal(qCos(src.getqreal()));
+ }
+ QML_END_INSTR(MathCosReal, unaryop)
+
+ QML_BEGIN_INSTR(MathRoundReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setint(qRound(src.getqreal()));
+ }
+ QML_END_INSTR(MathRoundReal, unaryop)
+
+ QML_BEGIN_INSTR(MathFloorReal, unaryop)
+ {
+ const Register &src = registers[instr->unaryop.src];
+ Register &output = registers[instr->unaryop.output];
+ if (src.isUndefined()) output.setUndefined();
+ else output.setint(qFloor(src.getqreal()));
+ }
+ QML_END_INSTR(MathFloorReal, unaryop)
+
+ QML_BEGIN_INSTR(MathPIReal, unaryop)
+ {
+ static const qsreal qmlPI = 2.0 * qAsin(1.0);
+ Register &output = registers[instr->unaryop.output];
+ output.setqreal(qmlPI);
+ }
+ QML_END_INSTR(MathPIReal, unaryop)
+
+ QML_BEGIN_INSTR(Real, real_value)
+ registers[instr->real_value.reg].setqreal(instr->real_value.value);
+ QML_END_INSTR(Real, real_value)
+
+ QML_BEGIN_INSTR(Int, int_value)
+ registers[instr->int_value.reg].setint(instr->int_value.value);
+ QML_END_INSTR(Int, int_value)
+
+ QML_BEGIN_INSTR(Bool, bool_value)
+ registers[instr->bool_value.reg].setbool(instr->bool_value.value);
+ QML_END_INSTR(Bool, bool_value)
+
+ QML_BEGIN_INSTR(String, string_value)
+ {
+ Register &output = registers[instr->string_value.reg];
+ QChar *string = (QChar *)(data + instr->string_value.offset);
+ new (output.getstringptr()) QString(string, instr->string_value.length);
+ STRING_REGISTER(instr->string_value.reg);
+ }
+ QML_END_INSTR(String, string_value)
+
+ QML_BEGIN_INSTR(EnableV4Test, string_value)
+ {
+ testBindingSource = new QString((QChar *)(data + instr->string_value.offset), instr->string_value.length);
+ testBinding = true;
+ }
+ QML_END_INSTR(String, string_value)
+
+ QML_BEGIN_INSTR(BitAndInt, binaryop)
+ {
+ registers[instr->binaryop.output].setint(registers[instr->binaryop.left].getint() &
+ registers[instr->binaryop.right].getint());
+ }
+ QML_END_INSTR(BitAndInt, binaryop)
+
+ QML_BEGIN_INSTR(BitOrInt, binaryop)
+ {
+ registers[instr->binaryop.output].setint(registers[instr->binaryop.left].getint() |
+ registers[instr->binaryop.right].getint());
+ }
+ QML_END_INSTR(BitAndInt, binaryop)
+
+ QML_BEGIN_INSTR(BitXorInt, binaryop)
+ {
+ registers[instr->binaryop.output].setint(registers[instr->binaryop.left].getint() ^
+ registers[instr->binaryop.right].getint());
+ }
+ QML_END_INSTR(BitXorInt, binaryop)
+
+ QML_BEGIN_INSTR(AddReal, binaryop)
+ {
+ registers[instr->binaryop.output].setqreal(registers[instr->binaryop.left].getqreal() +
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(AddReal, binaryop)
+
+ QML_BEGIN_INSTR(AddString, binaryop)
+ {
+ QString &string = *registers[instr->binaryop.output].getstringptr();
+ if (instr->binaryop.output == instr->binaryop.left) {
+ string += registers[instr->binaryop.right].getstringptr();
+ } else {
+ string = *registers[instr->binaryop.left].getstringptr() +
+ *registers[instr->binaryop.right].getstringptr();
+ }
+ }
+ QML_END_INSTR(AddString, binaryop)
+
+ QML_BEGIN_INSTR(SubReal, binaryop)
+ {
+ registers[instr->binaryop.output].setqreal(registers[instr->binaryop.left].getqreal() -
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(SubReal, binaryop)
+
+ QML_BEGIN_INSTR(MulReal, binaryop)
+ {
+ registers[instr->binaryop.output].setqreal(registers[instr->binaryop.left].getqreal() *
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(MulReal, binaryop)
+
+ QML_BEGIN_INSTR(DivReal, binaryop)
+ {
+ registers[instr->binaryop.output].setqreal(registers[instr->binaryop.left].getqreal() /
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(DivReal, binaryop)
+
+ QML_BEGIN_INSTR(ModReal, binaryop)
+ {
+ Register &target = registers[instr->binaryop.output];
+ const Register &left = registers[instr->binaryop.left];
+ const Register &right = registers[instr->binaryop.right];
+ if (QMetaType::QReal == QMetaType::Float)
+ target.setqreal(::fmodf(left.getqreal(), right.getqreal()));
+ else
+ target.setqreal(::fmod(left.getqreal(), right.getqreal()));
+ }
+ QML_END_INSTR(ModInt, binaryop)
+
+ QML_BEGIN_INSTR(LShiftInt, binaryop)
+ {
+ registers[instr->binaryop.output].setint(registers[instr->binaryop.left].getint() <<
+ registers[instr->binaryop.right].getint());
+ }
+ QML_END_INSTR(LShiftInt, binaryop)
+
+ QML_BEGIN_INSTR(RShiftInt, binaryop)
+ {
+ registers[instr->binaryop.output].setint(registers[instr->binaryop.left].getint() >>
+ registers[instr->binaryop.right].getint());
+ }
+ QML_END_INSTR(RShiftInt, binaryop)
+
+ QML_BEGIN_INSTR(URShiftInt, binaryop)
+ {
+ registers[instr->binaryop.output].setint((unsigned)registers[instr->binaryop.left].getint() >>
+ registers[instr->binaryop.right].getint());
+ }
+ QML_END_INSTR(URShiftInt, binaryop)
+
+ QML_BEGIN_INSTR(GtReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() >
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(GtReal, binaryop)
+
+ QML_BEGIN_INSTR(LtReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() <
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(LtReal, binaryop)
+
+ QML_BEGIN_INSTR(GeReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() >=
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(GeReal, binaryop)
+
+ QML_BEGIN_INSTR(LeReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() <=
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(LeReal, binaryop)
+
+ QML_BEGIN_INSTR(EqualReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() ==
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(EqualReal, binaryop)
+
+ QML_BEGIN_INSTR(NotEqualReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() !=
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(NotEqualReal, binaryop)
+
+ QML_BEGIN_INSTR(StrictEqualReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() ==
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(StrictEqualReal, binaryop)
+
+ QML_BEGIN_INSTR(StrictNotEqualReal, binaryop)
+ {
+ registers[instr->binaryop.output].setbool(registers[instr->binaryop.left].getqreal() !=
+ registers[instr->binaryop.right].getqreal());
+ }
+ QML_END_INSTR(StrictNotEqualReal, binaryop)
+
+ QML_BEGIN_INSTR(GtString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a > b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(GtString, binaryop)
+
+ QML_BEGIN_INSTR(LtString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a < b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(LtString, binaryop)
+
+ QML_BEGIN_INSTR(GeString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a >= b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(GeString, binaryop)
+
+ QML_BEGIN_INSTR(LeString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a <= b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(LeString, binaryop)
+
+ QML_BEGIN_INSTR(EqualString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a == b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(EqualString, binaryop)
+
+ QML_BEGIN_INSTR(NotEqualString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a != b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(NotEqualString, binaryop)
+
+ QML_BEGIN_INSTR(StrictEqualString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a == b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(StrictEqualString, binaryop)
+
+ QML_BEGIN_INSTR(StrictNotEqualString, binaryop)
+ {
+ const QString &a = *registers[instr->binaryop.left].getstringptr();
+ const QString &b = *registers[instr->binaryop.right].getstringptr();
+ bool result = a != b;
+ if (instr->binaryop.left == instr->binaryop.output) {
+ registers[instr->binaryop.output].cleanupString();
+ MARK_CLEAN_REGISTER(instr->binaryop.output);
+ }
+ registers[instr->binaryop.output].setbool(result);
+ }
+ QML_END_INSTR(StrictNotEqualString, binaryop)
+
+ QML_BEGIN_INSTR(NewString, construct)
+ {
+ Register &output = registers[instr->construct.reg];
+ new (output.getstringptr()) QString;
+ STRING_REGISTER(instr->construct.reg);
+ }
+ QML_END_INSTR(NewString, construct)
+
+ QML_BEGIN_INSTR(NewUrl, construct)
+ {
+ Register &output = registers[instr->construct.reg];
+ new (output.geturlptr()) QUrl;
+ URL_REGISTER(instr->construct.reg);
+ }
+ QML_END_INSTR(NewUrl, construct)
+
+ QML_BEGIN_INSTR(Fetch, fetch)
+ {
+ Register &reg = registers[instr->fetch.reg];
+
+ if (reg.isUndefined())
+ THROW_EXCEPTION(instr->fetch.exceptionId);
+
+ QObject *object = reg.getQObject();
+ if (!object) {
+ THROW_EXCEPTION(instr->fetch.exceptionId);
+ } else {
+ reg.init((Register::Type)instr->fetch.valueType);
+ if (instr->fetch.valueType >= FirstCleanupType)
+ MARK_REGISTER(instr->fetch.reg);
+ void *argv[] = { reg.typeDataPtr(), 0 };
+ QMetaObject::metacall(object, QMetaObject::ReadProperty, instr->fetch.index, argv);
+ }
+ }
+ QML_END_INSTR(Fetch, fetch)
+
+ QML_BEGIN_INSTR(TestV4Store, storetest)
+ {
+ Register &data = registers[instr->storetest.reg];
+ testBindingResult(*testBindingSource, bindingLine, bindingColumn, context,
+ scope, data, instr->storetest.regType);
+ }
+ QML_END_INSTR(TestV4Store, storetest)
+
+ QML_BEGIN_INSTR(Store, store)
+ {
+ Register &data = registers[instr->store.reg];
+
+ if (data.isUndefined())
+ THROW_EXCEPTION_STR(instr->store.exceptionId, QLatin1String("Unable to assign undefined value"));
+
+ int status = -1;
+ void *argv[] = { data.typeDataPtr(), 0, &status, &storeFlags };
+ QMetaObject::metacall(output, QMetaObject::WriteProperty,
+ instr->store.index, argv);
+
+ goto programExit;
+ }
+ QML_END_INSTR(Store, store)
+
+ QML_BEGIN_INSTR(Copy, copy)
+ registers[instr->copy.reg].copy(registers[instr->copy.src]);
+ if (registers[instr->copy.reg].gettype() >= FirstCleanupType)
+ MARK_REGISTER(instr->copy.reg);
+ QML_END_INSTR(Copy, copy)
+
+ QML_BEGIN_INSTR(Jump, jump)
+ if (instr->jump.reg == -1 || !registers[instr->jump.reg].getbool())
+ code += instr->jump.count;
+ QML_END_INSTR(Jump, jump)
+
+ QML_BEGIN_INSTR(BranchTrue, branchop)
+ if (registers[instr->branchop.reg].getbool())
+ code += instr->branchop.offset;
+ QML_END_INSTR(BranchTrue, branchop)
+
+ QML_BEGIN_INSTR(BranchFalse, branchop)
+ if (! registers[instr->branchop.reg].getbool())
+ code += instr->branchop.offset;
+ QML_END_INSTR(BranchFalse, branchop)
+
+ QML_BEGIN_INSTR(Branch, branchop)
+ code += instr->branchop.offset;
+ QML_END_INSTR(Branch, branchop)
+
+ QML_BEGIN_INSTR(Block, blockop)
+ executedBlocks |= instr->blockop.block;
+ QML_END_INSTR(Block, blockop)
+
+ QML_BEGIN_INSTR(InitString, initstring)
+ if (!identifiers[instr->initstring.offset].identifier) {
+ quint32 len = *(quint32 *)(data + instr->initstring.dataIdx);
+ QChar *strdata = (QChar *)(data + instr->initstring.dataIdx + sizeof(quint32));
+
+ QString str = QString::fromRawData(strdata, len);
+
+ identifiers[instr->initstring.offset] = engine->objectClass->createPersistentIdentifier(str);
+ }
+ QML_END_INSTR(InitString, initstring)
+
+ QML_BEGIN_INSTR(CleanupRegister, cleanup)
+ registers[instr->cleanup.reg].cleanup();
+ QML_END_INSTR(CleanupRegister, cleanup)
+
+#ifdef QML_THREADED_INTERPRETER
+ // nothing to do
+#else
+ default:
+ qFatal("QDeclarativeV4: Unknown instruction %d encountered.", instr->common.type);
+ break;
+ } // switch
+
+ } // while
+#endif
+
+ Q_ASSERT(!"Unreachable code reached");
+
+programExit:
+exceptionExit:
+ delete testBindingSource;
+
+ int reg = 0;
+ while (cleanupRegisterMask) {
+ if (cleanupRegisterMask & 0x1)
+ registers[reg].cleanup();
+
+ reg++;
+ cleanupRegisterMask >>= 1;
+ }
+}
+
+QT_END_NAMESPACE