Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	bin/syncqt
	src/gui/text/qtextlayout.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.h
	tools/configure/configureapp.cpp

13 files changed, 399 insertions, 457 deletions

diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index 4c92246..6894585 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -64,6 +64,7 @@
 #include "bridge/qscriptqobject_p.h"
 #include "bridge/qscriptglobalobject_p.h"
 #include "bridge/qscriptactivationobject_p.h"
+#include "bridge/qscriptstaticscopeobject_p.h"
 
 #ifndef QT_NO_QOBJECT
 #include <QtCore/qcoreapplication.h>
@@ -437,6 +438,53 @@ qsreal ToNumber(const QString &value)
 
 #endif
 
+static const qsreal MsPerSecond = 1000.0;
+
+static inline int MsFromTime(qsreal t)
+{
+    int r = int(::fmod(t, MsPerSecond));
+    return (r >= 0) ? r : r + int(MsPerSecond);
+}
+
+/*!
+  \internal
+  Converts a JS date value (milliseconds) to a QDateTime (local time).
+*/
+QDateTime MsToDateTime(JSC::ExecState *exec, qsreal t)
+{
+    if (qIsNaN(t))
+        return QDateTime();
+    JSC::GregorianDateTime tm;
+    JSC::msToGregorianDateTime(exec, t, /*output UTC=*/true, tm);
+    int ms = MsFromTime(t);
+    QDateTime convertedUTC = QDateTime(QDate(tm.year + 1900, tm.month + 1, tm.monthDay),
+                                       QTime(tm.hour, tm.minute, tm.second, ms), Qt::UTC);
+    return convertedUTC.toLocalTime();
+}
+
+/*!
+  \internal
+  Converts a QDateTime to a JS date value (milliseconds).
+*/
+qsreal DateTimeToMs(JSC::ExecState *exec, const QDateTime &dt)
+{
+    if (!dt.isValid())
+        return qSNaN();
+    QDateTime utc = dt.toUTC();
+    QDate date = utc.date();
+    QTime time = utc.time();
+    JSC::GregorianDateTime tm;
+    tm.year = date.year() - 1900;
+    tm.month = date.month() - 1;
+    tm.monthDay = date.day();
+    tm.weekDay = date.dayOfWeek();
+    tm.yearDay = date.dayOfYear();
+    tm.hour = time.hour();
+    tm.minute = time.minute();
+    tm.second = time.second();
+    return JSC::gregorianDateTimeToMS(exec, tm, time.msec(), /*inputIsUTC=*/true);
+}
+
 void GlobalClientData::mark(JSC::MarkStack& markStack)
 {
     engine->mark(markStack);
@@ -905,6 +953,7 @@ QScriptEnginePrivate::QScriptEnginePrivate()
     JSC::ExecState* exec = globalObject->globalExec();
 
     scriptObjectStructure = QScriptObject::createStructure(globalObject->objectPrototype());
+    staticScopeObjectStructure = QScriptStaticScopeObject::createStructure(JSC::jsNull());
 
     qobjectPrototype = new (exec) QScript::QObjectPrototype(exec, QScript::QObjectPrototype::createStructure(globalObject->objectPrototype()), globalObject->prototypeFunctionStructure());
     qobjectWrapperObjectStructure = QScriptObject::createStructure(qobjectPrototype);
@@ -1011,12 +1060,17 @@ JSC::JSValue QScriptEnginePrivate::arrayFromVariantList(JSC::ExecState *exec, co
     return arr;
 }
 
-QVariantList QScriptEnginePrivate::variantListFromArray(JSC::ExecState *exec, JSC::JSValue arr)
+QVariantList QScriptEnginePrivate::variantListFromArray(JSC::ExecState *exec, JSC::JSArray *arr)
 {
+    QScriptEnginePrivate *eng = QScript::scriptEngineFromExec(exec);
+    if (eng->visitedConversionObjects.contains(arr))
+        return QVariantList(); // Avoid recursion.
+    eng->visitedConversionObjects.insert(arr);
     QVariantList lst;
     uint len = toUInt32(exec, property(exec, arr, exec->propertyNames().length));
     for (uint i = 0; i < len; ++i)
         lst.append(toVariant(exec, property(exec, arr, i)));
+    eng->visitedConversionObjects.remove(arr);
     return lst;
 }
 
@@ -1029,14 +1083,19 @@ JSC::JSValue QScriptEnginePrivate::objectFromVariantMap(JSC::ExecState *exec, co
     return obj;
 }
 
-QVariantMap QScriptEnginePrivate::variantMapFromObject(JSC::ExecState *exec, JSC::JSValue obj)
+QVariantMap QScriptEnginePrivate::variantMapFromObject(JSC::ExecState *exec, JSC::JSObject *obj)
 {
+    QScriptEnginePrivate *eng = QScript::scriptEngineFromExec(exec);
+    if (eng->visitedConversionObjects.contains(obj))
+        return QVariantMap(); // Avoid recursion.
+    eng->visitedConversionObjects.insert(obj);
     JSC::PropertyNameArray propertyNames(exec);
-    JSC::asObject(obj)->getOwnPropertyNames(exec, propertyNames, JSC::IncludeDontEnumProperties);
+    obj->getOwnPropertyNames(exec, propertyNames, JSC::IncludeDontEnumProperties);
     QVariantMap vmap;
     JSC::PropertyNameArray::const_iterator it = propertyNames.begin();
     for( ; it != propertyNames.end(); ++it)
         vmap.insert(it->ustring(), toVariant(exec, property(exec, obj, *it)));
+    eng->visitedConversionObjects.remove(obj);
     return vmap;
 }
 
@@ -1525,7 +1584,7 @@ void QScriptEnginePrivate::detachAllRegisteredScriptStrings()
 
 #ifndef QT_NO_REGEXP
 
-Q_DECL_IMPORT extern QString qt_regexp_toCanonical(const QString &, QRegExp::PatternSyntax);
+Q_CORE_EXPORT QString qt_regexp_toCanonical(const QString &, QRegExp::PatternSyntax);
 
 JSC::JSValue QScriptEnginePrivate::newRegExp(JSC::ExecState *exec, const QRegExp &regexp)
 {
@@ -1661,16 +1720,10 @@ QVariant QScriptEnginePrivate::toVariant(JSC::ExecState *exec, JSC::JSValue valu
             return QVariant(toRegExp(exec, value));
 #endif
         else if (isArray(value))
-            return variantListFromArray(exec, value);
+            return variantListFromArray(exec, JSC::asArray(value));
         else if (QScriptDeclarativeClass *dc = declarativeClass(value))
             return dc->toVariant(declarativeObject(value));
-        // try to convert to primitive
-        JSC::JSValue savedException;
-        saveException(exec, &savedException);
-        JSC::JSValue prim = value.toPrimitive(exec);
-        restoreException(exec, savedException);
-        if (!prim.isObject())
-            return toVariant(exec, prim);
+        return variantMapFromObject(exec, JSC::asObject(value));
     } else if (value.isNumber()) {
         return QVariant(toNumber(exec, value));
     } else if (value.isString()) {
@@ -1766,15 +1819,7 @@ void QScriptEnginePrivate::setProperty(JSC::ExecState *exec, JSC::JSValue object
         } else if (flags != QScriptValue::KeepExistingFlags) {
             if (thisObject->hasOwnProperty(exec, id))
                 thisObject->deleteProperty(exec, id); // ### hmmm - can't we just update the attributes?
-            unsigned attribs = 0;
-            if (flags & QScriptValue::ReadOnly)
-                attribs |= JSC::ReadOnly;
-            if (flags & QScriptValue::SkipInEnumeration)
-                attribs |= JSC::DontEnum;
-            if (flags & QScriptValue::Undeletable)
-                attribs |= JSC::DontDelete;
-            attribs |= flags & QScriptValue::UserRange;
-            thisObject->putWithAttributes(exec, id, value, attribs);
+            thisObject->putWithAttributes(exec, id, value, propertyFlagsToJSCAttributes(flags));
         } else {
             JSC::PutPropertySlot slot;
             thisObject->put(exec, id, value, slot);
@@ -2020,8 +2065,6 @@ QScriptValue QScriptEngine::newFunction(QScriptEngine::FunctionSignature fun,
 
 #ifndef QT_NO_REGEXP
 
-Q_DECL_IMPORT extern QString qt_regexp_toCanonical(const QString &, QRegExp::PatternSyntax);
-
 /*!
   Creates a QtScript object of class RegExp with the given
   \a regexp.
@@ -3131,12 +3174,12 @@ bool QScriptEnginePrivate::convertValue(JSC::ExecState *exec, JSC::JSValue value
         } break;
     case QMetaType::QVariantList:
         if (isArray(value)) {
-            *reinterpret_cast<QVariantList *>(ptr) = variantListFromArray(exec, value);
+            *reinterpret_cast<QVariantList *>(ptr) = variantListFromArray(exec, JSC::asArray(value));
             return true;
         } break;
     case QMetaType::QVariantMap:
         if (isObject(value)) {
-            *reinterpret_cast<QVariantMap *>(ptr) = variantMapFromObject(exec, value);
+            *reinterpret_cast<QVariantMap *>(ptr) = variantMapFromObject(exec, JSC::asObject(value));
             return true;
         } break;
     case QMetaType::QVariant:
diff --git a/src/script/api/qscriptengine_p.h b/src/script/api/qscriptengine_p.h
index fd47208..c71465d 100644
--- a/src/script/api/qscriptengine_p.h
+++ b/src/script/api/qscriptengine_p.h
@@ -50,7 +50,6 @@
 #include "bridge/qscriptobject_p.h"
 #include "bridge/qscriptqobject_p.h"
 #include "bridge/qscriptvariant_p.h"
-#include "utils/qscriptdate_p.h"
 
 #include "DateConstructor.h"
 #include "DateInstance.h"
@@ -119,6 +118,9 @@ namespace QScript
     inline QString ToString(qsreal);
 #endif
 
+    QDateTime MsToDateTime(JSC::ExecState *, qsreal);
+    qsreal DateTimeToMs(JSC::ExecState *, const QDateTime &);
+
     //some conversion helper functions
     inline QScriptEnginePrivate *scriptEngineFromExec(const JSC::ExecState *exec);
     bool isFunction(JSC::JSValue value);
@@ -205,6 +207,7 @@ public:
 
     inline QScriptValue scriptValueFromJSCValue(JSC::JSValue value);
     inline JSC::JSValue scriptValueToJSCValue(const QScriptValue &value);
+    static inline unsigned propertyFlagsToJSCAttributes(const QScriptValue::PropertyFlags &flags);
 
     static inline JSC::JSValue jscValueFromVariant(JSC::ExecState*, const QVariant &value);
     static QVariant jscValueToVariant(JSC::ExecState*, JSC::JSValue value, int targetType);
@@ -215,10 +218,10 @@ public:
     static QStringList stringListFromArray(JSC::ExecState*, JSC::JSValue arr);
 
     static JSC::JSValue arrayFromVariantList(JSC::ExecState*, const QVariantList &lst);
-    static QVariantList variantListFromArray(JSC::ExecState*, JSC::JSValue arr);
+    static QVariantList variantListFromArray(JSC::ExecState*, JSC::JSArray *arr);
 
     static JSC::JSValue objectFromVariantMap(JSC::ExecState*, const QVariantMap &vmap);
-    static QVariantMap variantMapFromObject(JSC::ExecState*, JSC::JSValue obj);
+    static QVariantMap variantMapFromObject(JSC::ExecState*, JSC::JSObject *obj);
 
     JSC::JSValue defaultPrototype(int metaTypeId) const;
     void setDefaultPrototype(int metaTypeId, JSC::JSValue prototype);
@@ -346,6 +349,7 @@ public:
     JSC::ExecState *currentFrame;
 
     WTF::RefPtr<JSC::Structure> scriptObjectStructure;
+    WTF::RefPtr<JSC::Structure> staticScopeObjectStructure;
 
     QScript::QObjectPrototype *qobjectPrototype;
     WTF::RefPtr<JSC::Structure> qobjectWrapperObjectStructure;
@@ -378,6 +382,8 @@ public:
     QHash<intptr_t, QScript::UStringSourceProviderWithFeedback*> loadedScripts;
     QScriptValue m_currentException;
 
+    QSet<JSC::JSObject*> visitedConversionObjects;
+
 #ifndef QT_NO_QOBJECT
     QHash<QObject*, QScript::QObjectData*> m_qobjectData;
 #endif
@@ -637,6 +643,19 @@ inline JSC::JSValue QScriptEnginePrivate::scriptValueToJSCValue(const QScriptVal
     return vv->jscValue;
 }
 
+inline unsigned QScriptEnginePrivate::propertyFlagsToJSCAttributes(const QScriptValue::PropertyFlags &flags)
+{
+    unsigned attribs = 0;
+    if (flags & QScriptValue::ReadOnly)
+        attribs |= JSC::ReadOnly;
+    if (flags & QScriptValue::SkipInEnumeration)
+        attribs |= JSC::DontEnum;
+    if (flags & QScriptValue::Undeletable)
+        attribs |= JSC::DontDelete;
+    attribs |= flags & QScriptValue::UserRange;
+    return attribs;
+}
+
 inline QScriptValuePrivate::~QScriptValuePrivate()
 {
     if (engine)
@@ -844,7 +863,7 @@ inline JSC::JSValue QScriptEnginePrivate::newDate(JSC::ExecState *exec, qsreal v
 
 inline JSC::JSValue QScriptEnginePrivate::newDate(JSC::ExecState *exec, const QDateTime &value)
 {
-    return newDate(exec, QScript::FromDateTime(value));
+    return newDate(exec, QScript::DateTimeToMs(exec, value));
 }
 
 inline JSC::JSValue QScriptEnginePrivate::newObject()
@@ -977,12 +996,12 @@ inline JSC::UString QScriptEnginePrivate::toString(JSC::ExecState *exec, JSC::JS
     return str;
 }
 
-inline QDateTime QScriptEnginePrivate::toDateTime(JSC::ExecState *, JSC::JSValue value)
+inline QDateTime QScriptEnginePrivate::toDateTime(JSC::ExecState *exec, JSC::JSValue value)
 {
     if (!isDate(value))
         return QDateTime();
     qsreal t = static_cast<JSC::DateInstance*>(JSC::asObject(value))->internalNumber();
-    return QScript::ToDateTime(t, Qt::LocalTime);
+    return QScript::MsToDateTime(exec, t);
 }
 
 inline QObject *QScriptEnginePrivate::toQObject(JSC::ExecState *exec, JSC::JSValue value)
diff --git a/src/script/api/qscriptvalue.cpp b/src/script/api/qscriptvalue.cpp
index 1310c8c..451d1b0 100644
--- a/src/script/api/qscriptvalue.cpp
+++ b/src/script/api/qscriptvalue.cpp
@@ -1215,8 +1215,8 @@ qsreal QScriptValue::toInteger() const
     \row    \o QObject Object \o A QVariant containing a pointer to the QObject.
     \row    \o Date Object \o A QVariant containing the date value (toDateTime()).
     \row    \o RegExp Object \o A QVariant containing the regular expression value (toRegExp()).
-    \row    \o Array Object \o The array is converted to a QVariantList.
-    \row    \o Object     \o If the value is primitive, then the result is converted to a QVariant according to the above rules; otherwise, an invalid QVariant is returned.
+    \row    \o Array Object \o The array is converted to a QVariantList. Each element is converted to a QVariant, recursively; cyclic references are not followed.
+    \row    \o Object     \o The object is converted to a QVariantMap. Each property is converted to a QVariant, recursively; cyclic references are not followed.
     \endtable
 
   \sa isVariant()
diff --git a/src/script/bridge/bridge.pri b/src/script/bridge/bridge.pri
index 09e2dfb..ab0a322 100644
--- a/src/script/bridge/bridge.pri
+++ b/src/script/bridge/bridge.pri
@@ -6,6 +6,7 @@ SOURCES += \
     $$PWD/qscriptqobject.cpp \
     $$PWD/qscriptglobalobject.cpp \
     $$PWD/qscriptactivationobject.cpp \
+    $$PWD/qscriptstaticscopeobject.cpp \
     $$PWD/qscriptdeclarativeobject.cpp \
     $$PWD/qscriptdeclarativeclass.cpp 
 
@@ -17,5 +18,6 @@ HEADERS += \
     $$PWD/qscriptqobject_p.h \
     $$PWD/qscriptglobalobject_p.h \
     $$PWD/qscriptactivationobject_p.h \
+    $$PWD/qscriptstaticscopeobject_p.h \
     $$PWD/qscriptdeclarativeobject_p.h \
     $$PWD/qscriptdeclarativeclass_p.h
diff --git a/src/script/bridge/qscriptdeclarativeclass.cpp b/src/script/bridge/qscriptdeclarativeclass.cpp
index 1093448..8080b9f 100644
--- a/src/script/bridge/qscriptdeclarativeclass.cpp
+++ b/src/script/bridge/qscriptdeclarativeclass.cpp
@@ -24,6 +24,7 @@
 #include "qscriptdeclarativeclass_p.h"
 #include "qscriptdeclarativeobject_p.h"
 #include "qscriptobject_p.h"
+#include "qscriptstaticscopeobject_p.h"
 #include <QtScript/qscriptstring.h>
 #include <QtScript/qscriptengine.h>
 #include <QtScript/qscriptengineagent.h>
@@ -549,4 +550,39 @@ QScriptContext *QScriptDeclarativeClass::context() const
     return d_ptr->context;
 }
 
+/*!
+  Creates a scope object with a fixed set of undeletable properties.
+*/
+QScriptValue QScriptDeclarativeClass::newStaticScopeObject(
+    QScriptEngine *engine, int propertyCount, const QString *names,
+    const QScriptValue *values, const QScriptValue::PropertyFlags *flags)
+{
+    QScriptEnginePrivate *eng_p = QScriptEnginePrivate::get(engine);
+    QScript::APIShim shim(eng_p);
+    JSC::ExecState *exec = eng_p->currentFrame;
+    QScriptStaticScopeObject::PropertyInfo *props = new QScriptStaticScopeObject::PropertyInfo[propertyCount];
+    for (int i = 0; i < propertyCount; ++i) {
+        unsigned attribs = QScriptEnginePrivate::propertyFlagsToJSCAttributes(flags[i]);
+        Q_ASSERT_X(attribs & JSC::DontDelete, Q_FUNC_INFO, "All properties must be undeletable");
+        JSC::Identifier id = JSC::Identifier(exec, names[i]);
+        JSC::JSValue jsval = eng_p->scriptValueToJSCValue(values[i]);
+        props[i] = QScriptStaticScopeObject::PropertyInfo(id, jsval, attribs);
+    }
+    QScriptValue result = eng_p->scriptValueFromJSCValue(new (exec)QScriptStaticScopeObject(eng_p->staticScopeObjectStructure,
+                                                                                            propertyCount, props));
+    delete[] props;
+    return result;
+}
+
+/*!
+  Creates a static scope object that's initially empty, but to which new
+  properties can be added.
+*/
+QScriptValue QScriptDeclarativeClass::newStaticScopeObject(QScriptEngine *engine)
+{
+    QScriptEnginePrivate *eng_p = QScriptEnginePrivate::get(engine);
+    QScript::APIShim shim(eng_p);
+    return eng_p->scriptValueFromJSCValue(new (eng_p->currentFrame)QScriptStaticScopeObject(eng_p->staticScopeObjectStructure));
+}
+
 QT_END_NAMESPACE
diff --git a/src/script/bridge/qscriptdeclarativeclass_p.h b/src/script/bridge/qscriptdeclarativeclass_p.h
index 714a67c..420b133 100644
--- a/src/script/bridge/qscriptdeclarativeclass_p.h
+++ b/src/script/bridge/qscriptdeclarativeclass_p.h
@@ -92,6 +92,11 @@ public:
     static QScriptValue scopeChainValue(QScriptContext *, int index);
     static QScriptContext *pushCleanContext(QScriptEngine *);
 
+    static QScriptValue newStaticScopeObject(
+        QScriptEngine *, int propertyCount, const QString *names,
+       const QScriptValue *values, const QScriptValue::PropertyFlags *flags);
+    static QScriptValue newStaticScopeObject(QScriptEngine *);
+
     class Q_SCRIPT_EXPORT PersistentIdentifier 
     {
     public:
diff --git a/src/script/bridge/qscriptstaticscopeobject.cpp b/src/script/bridge/qscriptstaticscopeobject.cpp
new file mode 100644
index 0000000..44548a4
--- /dev/null
+++ b/src/script/bridge/qscriptstaticscopeobject.cpp
@@ -0,0 +1,157 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtScript module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL-ONLY$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "config.h"
+#include "qscriptstaticscopeobject_p.h"
+
+namespace JSC
+{
+    ASSERT_CLASS_FITS_IN_CELL(QT_PREPEND_NAMESPACE(QScriptStaticScopeObject));
+}
+
+QT_BEGIN_NAMESPACE
+
+/*!
+  \class QScriptStaticScopeObject
+  \internal
+
+    Represents a static scope object.
+
+    This class allows the VM to determine at JS script compile time whether
+    the object has a given property or not. If the object has the property,
+    a fast, index-based read/write operation will be used. If the object
+    doesn't have the property, the compiler knows it can safely skip this
+    object when dynamically resolving the property. Either way, this can
+    greatly improve performance.
+
+  \sa QScriptContext::pushScope()
+*/
+
+const JSC::ClassInfo QScriptStaticScopeObject::info = { "QScriptStaticScopeObject", 0, 0, 0 };
+
+/*!
+    Creates a static scope object with a fixed set of undeletable properties.
+
+    It's not possible to add new properties to the object after construction.
+*/
+QScriptStaticScopeObject::QScriptStaticScopeObject(WTF::NonNullPassRefPtr<JSC::Structure> structure,
+                                                   int propertyCount, const PropertyInfo* props)
+    : JSC::JSVariableObject(structure, new Data(/*canGrow=*/false))
+{
+    int index = growRegisterArray(propertyCount);
+    for (int i = 0; i < propertyCount; ++i, --index) {
+        const PropertyInfo& prop = props[i];
+        JSC::SymbolTableEntry entry(index, prop.attributes);
+        symbolTable().add(prop.identifier.ustring().rep(), entry);
+        registerAt(index) = prop.value;
+    }
+}
+
+/*!
+    Creates an empty static scope object.
+
+    Properties can be added to the object after construction, either by
+    calling QScriptValue::setProperty(), or by pushing the object on the
+    scope chain; variable declarations ("var" statements) and function
+    declarations in JavaScript will create properties on the scope object.
+
+    Note that once the scope object has been used in a closure and the
+    resulting function has been compiled, it's no longer safe to add
+    properties to the scope object (because the VM will bypass this
+    object the next time the function is executed).
+*/
+QScriptStaticScopeObject::QScriptStaticScopeObject(WTF::NonNullPassRefPtr<JSC::Structure> structure)
+    : JSC::JSVariableObject(structure, new Data(/*canGrow=*/true))
+{
+}
+
+QScriptStaticScopeObject::~QScriptStaticScopeObject()
+{
+    delete d;
+}
+
+bool QScriptStaticScopeObject::getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot& slot)
+{
+    return symbolTableGet(propertyName, slot);
+}
+
+bool QScriptStaticScopeObject::getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertyDescriptor& descriptor)
+{
+    return symbolTableGet(propertyName, descriptor);
+}
+
+void QScriptStaticScopeObject::putWithAttributes(JSC::ExecState* exec, const JSC::Identifier &propertyName, JSC::JSValue value, unsigned attributes)
+{
+    if (symbolTablePutWithAttributes(propertyName, value, attributes))
+        return;
+    Q_ASSERT(d_ptr()->canGrow);
+    addSymbolTableProperty(propertyName, value, attributes);
+}
+
+void QScriptStaticScopeObject::put(JSC::ExecState* exec, const JSC::Identifier& propertyName, JSC::JSValue value, JSC::PutPropertySlot&)
+{
+    if (symbolTablePut(propertyName, value))
+        return;
+    Q_ASSERT(d_ptr()->canGrow);
+    addSymbolTableProperty(propertyName, value, /*attributes=*/0);
+}
+
+bool QScriptStaticScopeObject::deleteProperty(JSC::ExecState*, const JSC::Identifier&)
+{
+    return false;
+}
+
+void QScriptStaticScopeObject::markChildren(JSC::MarkStack& markStack)
+{
+    JSC::Register* registerArray = d_ptr()->registerArray.get();
+    if (!registerArray)
+        return;
+    markStack.appendValues(reinterpret_cast<JSC::JSValue*>(registerArray), d_ptr()->registerArraySize);
+}
+
+void QScriptStaticScopeObject::addSymbolTableProperty(const JSC::Identifier& name, JSC::JSValue value, unsigned attributes)
+{
+    int index = growRegisterArray(1);
+    JSC::SymbolTableEntry newEntry(index, attributes | JSC::DontDelete);
+    symbolTable().add(name.ustring().rep(), newEntry);
+    registerAt(index) = value;
+}
+
+/*!
+  Grows the register array by \a count elements, and returns the offset of
+  the newly added elements (note that the register file grows downwards,
+  starting at index -1).
+*/
+int QScriptStaticScopeObject::growRegisterArray(int count)
+{
+    size_t oldSize = d_ptr()->registerArraySize;
+    size_t newSize = oldSize + count;
+    JSC::Register* registerArray = new JSC::Register[newSize];
+    if (d_ptr()->registerArray)
+        memcpy(registerArray + count, d_ptr()->registerArray.get(), oldSize * sizeof(JSC::Register));
+    setRegisters(registerArray + newSize, registerArray);
+    d_ptr()->registerArraySize = newSize;
+    return -oldSize - 1;
+}
+
+QT_END_NAMESPACE
diff --git a/src/script/bridge/qscriptstaticscopeobject_p.h b/src/script/bridge/qscriptstaticscopeobject_p.h
new file mode 100644
index 0000000..0a0e7ef
--- /dev/null
+++ b/src/script/bridge/qscriptstaticscopeobject_p.h
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtScript module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL-ONLY$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCRIPTSTATICSCOPEOBJECT_P_H
+#define QSCRIPTSTATICSCOPEOBJECT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qobjectdefs.h>
+
+#include "JSVariableObject.h"
+
+QT_BEGIN_NAMESPACE
+
+class QScriptStaticScopeObject : public JSC::JSVariableObject {
+public:
+    struct PropertyInfo {
+        PropertyInfo(const JSC::Identifier& i, JSC::JSValue v, unsigned a)
+            : identifier(i), value(v), attributes(a)
+            { }
+        PropertyInfo() {}
+
+        JSC::Identifier identifier;
+        JSC::JSValue value;
+        unsigned attributes;
+    };
+
+    QScriptStaticScopeObject(WTF::NonNullPassRefPtr<JSC::Structure> structure,
+                            int propertyCount, const PropertyInfo*);
+    QScriptStaticScopeObject(WTF::NonNullPassRefPtr<JSC::Structure> structure);
+    virtual ~QScriptStaticScopeObject();
+
+    virtual bool isDynamicScope() const { return false; }
+
+    virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&);
+    virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertyDescriptor&);
+
+    virtual void putWithAttributes(JSC::ExecState *exec, const JSC::Identifier &propertyName, JSC::JSValue value, unsigned attributes);
+    virtual void put(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue value, JSC::PutPropertySlot&);
+
+    virtual bool deleteProperty(JSC::ExecState*, const JSC::Identifier& propertyName);
+
+    virtual void markChildren(JSC::MarkStack&);
+
+    virtual const JSC::ClassInfo* classInfo() const { return &info; }
+    static const JSC::ClassInfo info;
+
+    static WTF::PassRefPtr<JSC::Structure> createStructure(JSC::JSValue proto) {
+        return JSC::Structure::create(proto, JSC::TypeInfo(JSC::ObjectType, StructureFlags));
+    }
+
+protected:
+    static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | JSC::NeedsThisConversion | JSC::OverridesMarkChildren | JSC::OverridesGetPropertyNames | JSC::JSVariableObject::StructureFlags;
+
+    struct Data : public JSVariableObjectData {
+        Data(bool canGrow_)
+            : JSVariableObjectData(&symbolTable, /*registers=*/0),
+            canGrow(canGrow_), registerArraySize(0)
+        { }
+        bool canGrow;
+        int registerArraySize;
+        JSC::SymbolTable symbolTable;
+    };
+
+    Data* d_ptr() const { return static_cast<Data*>(JSVariableObject::d); }
+
+private:
+    void addSymbolTableProperty(const JSC::Identifier&, JSC::JSValue, unsigned attributes);
+    int growRegisterArray(int);
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/script/parser/qscriptlexer.cpp b/src/script/parser/qscriptlexer.cpp
index ca64776..3ddc3aa 100644
--- a/src/script/parser/qscriptlexer.cpp
+++ b/src/script/parser/qscriptlexer.cpp
@@ -31,7 +31,7 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_DECL_IMPORT extern double qstrtod(const char *s00, char const **se, bool *ok);
+Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
 
 #define shiftWindowsLineBreak() \
     do { \
diff --git a/src/script/script.pri b/src/script/script.pri
index 2ee1a82..9cd71d3 100644
--- a/src/script/script.pri
+++ b/src/script/script.pri
@@ -1,4 +1,3 @@
 include($$PWD/api/api.pri)
 include($$PWD/bridge/bridge.pri)
 include($$PWD/parser/parser.pri)
-include($$PWD/utils/utils.pri)
diff --git a/src/script/utils/qscriptdate.cpp b/src/script/utils/qscriptdate.cpp
deleted file mode 100644
index 5980256..0000000
--- a/src/script/utils/qscriptdate.cpp
+++ /dev/null
@@ -1,365 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtScript module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL-ONLY$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qscriptdate_p.h"
-
-#include <QtCore/qnumeric.h>
-#include <QtCore/qstringlist.h>
-
-#include <math.h>
-
-#ifndef Q_WS_WIN
-#   include <time.h>
-#   include <sys/time.h>
-#else
-#   include <windows.h>
-#endif
-
-QT_BEGIN_NAMESPACE
-
-namespace QScript {
-
-qsreal ToInteger(qsreal n);
-
-static const qsreal HoursPerDay = 24.0;
-static const qsreal MinutesPerHour = 60.0;
-static const qsreal SecondsPerMinute = 60.0;
-static const qsreal msPerSecond = 1000.0;
-static const qsreal msPerMinute = 60000.0;
-static const qsreal msPerHour = 3600000.0;
-static const qsreal msPerDay = 86400000.0;
-
-static qsreal LocalTZA = 0.0; // initialized at startup
-
-static inline qsreal TimeWithinDay(qsreal t)
-{
-    qsreal r = ::fmod(t, msPerDay);
-    return (r >= 0) ? r : r + msPerDay;
-}
-
-static inline int HourFromTime(qsreal t)
-{
-    int r = int(::fmod(::floor(t / msPerHour), HoursPerDay));
-    return (r >= 0) ? r : r + int(HoursPerDay);
-}
-
-static inline int MinFromTime(qsreal t)
-{
-    int r = int(::fmod(::floor(t / msPerMinute), MinutesPerHour));
-    return (r >= 0) ? r : r + int(MinutesPerHour);
-}
-
-static inline int SecFromTime(qsreal t)
-{
-    int r = int(::fmod(::floor(t / msPerSecond), SecondsPerMinute));
-    return (r >= 0) ? r : r + int(SecondsPerMinute);
-}
-
-static inline int msFromTime(qsreal t)
-{
-    int r = int(::fmod(t, msPerSecond));
-    return (r >= 0) ? r : r + int(msPerSecond);
-}
-
-static inline qsreal Day(qsreal t)
-{
-    return ::floor(t / msPerDay);
-}
-
-static inline qsreal DaysInYear(qsreal y)
-{
-    if (::fmod(y, 4))
-        return 365;
-
-    else if (::fmod(y, 100))
-        return 366;
-
-    else if (::fmod(y, 400))
-        return 365;
-
-    return 366;
-}
-
-static inline qsreal DayFromYear(qsreal y)
-{
-    return 365 * (y - 1970)
-        + ::floor((y - 1969) / 4)
-        - ::floor((y - 1901) / 100)
-        + ::floor((y - 1601) / 400);
-}
-
-static inline qsreal TimeFromYear(qsreal y)
-{
-    return msPerDay * DayFromYear(y);
-}
-
-static inline qsreal YearFromTime(qsreal t)
-{
-    int y = 1970;
-    y += (int) ::floor(t / (msPerDay * 365.2425));
-
-    qsreal t2 = TimeFromYear(y);
-    return (t2 > t) ? y - 1 : ((t2 + msPerDay * DaysInYear(y)) <= t) ? y + 1 : y;
-}
-
-static inline bool InLeapYear(qsreal t)
-{
-    qsreal x = DaysInYear(YearFromTime(t));
-    if (x == 365)
-        return 0;
-
-    Q_ASSERT (x == 366);
-    return 1;
-}
-
-static inline qsreal DayWithinYear(qsreal t)
-{
-    return Day(t) - DayFromYear(YearFromTime(t));
-}
-
-static inline qsreal MonthFromTime(qsreal t)
-{
-    qsreal d = DayWithinYear(t);
-    qsreal l = InLeapYear(t);
-
-    if (d < 31.0)
-        return 0;
-
-    else if (d < 59.0 + l)
-        return 1;
-
-    else if (d < 90.0 + l)
-        return 2;
-
-    else if (d < 120.0 + l)
-        return 3;
-
-    else if (d < 151.0 + l)
-        return 4;
-
-    else if (d < 181.0 + l)
-        return 5;
-
-    else if (d < 212.0 + l)
-        return 6;
-
-    else if (d < 243.0 + l)
-        return 7;
-
-    else if (d < 273.0 + l)
-        return 8;
-
-    else if (d < 304.0 + l)
-        return 9;
-
-    else if (d < 334.0 + l)
-        return 10;
-
-    else if (d < 365.0 + l)
-        return 11;
-
-    return qSNaN(); // ### assert?
-}
-
-static inline qsreal DateFromTime(qsreal t)
-{
-    int m = (int) ToInteger(MonthFromTime(t));
-    qsreal d = DayWithinYear(t);
-    qsreal l = InLeapYear(t);
-
-    switch (m) {
-    case 0: return d + 1.0;
-    case 1: return d - 30.0;
-    case 2: return d - 58.0 - l;
-    case 3: return d - 89.0 - l;
-    case 4: return d - 119.0 - l;
-    case 5: return d - 150.0 - l;
-    case 6: return d - 180.0 - l;
-    case 7: return d - 211.0 - l;
-    case 8: return d - 242.0 - l;
-    case 9: return d - 272.0 - l;
-    case 10: return d - 303.0 - l;
-    case 11: return d - 333.0 - l;
-    }
-
-    return qSNaN(); // ### assert
-}
-
-static inline qsreal WeekDay(qsreal t)
-{
-    qsreal r = ::fmod (Day(t) + 4.0, 7.0);
-    return (r >= 0) ? r : r + 7.0;
-}
-
-
-static inline qsreal MakeTime(qsreal hour, qsreal min, qsreal sec, qsreal ms)
-{
-    return ((hour * MinutesPerHour + min) * SecondsPerMinute + sec) * msPerSecond + ms;
-}
-
-static inline qsreal DayFromMonth(qsreal month, qsreal leap)
-{
-    switch ((int) month) {
-    case 0: return 0;
-    case 1: return 31.0;
-    case 2: return 59.0 + leap;
-    case 3: return 90.0 + leap;
-    case 4: return 120.0 + leap;
-    case 5: return 151.0 + leap;
-    case 6: return 181.0 + leap;
-    case 7: return 212.0 + leap;
-    case 8: return 243.0 + leap;
-    case 9: return 273.0 + leap;
-    case 10: return 304.0 + leap;
-    case 11: return 334.0 + leap;
-    }
-
-    return qSNaN(); // ### assert?
-}
-
-static qsreal MakeDay(qsreal year, qsreal month, qsreal day)
-{
-    year += ::floor(month / 12.0);
-
-    month = ::fmod(month, 12.0);
-    if (month < 0)
-        month += 12.0;
-
-    qsreal t = TimeFromYear(year);
-    qsreal leap = InLeapYear(t);
-
-    day += ::floor(t / msPerDay);
-    day += DayFromMonth(month, leap);
-
-    return day - 1;
-}
-
-static inline qsreal MakeDate(qsreal day, qsreal time)
-{
-    return day * msPerDay + time;
-}
-
-static inline qsreal DaylightSavingTA(double t)
-{
-#ifndef Q_WS_WIN
-    long int tt = (long int)(t / msPerSecond);
-    struct tm *tmtm = localtime((const time_t*)&tt);
-    if (! tmtm)
-        return 0;
-    return (tmtm->tm_isdst > 0) ? msPerHour : 0;
-#else
-    Q_UNUSED(t);
-    /// ### implement me
-    return 0;
-#endif
-}
-
-static inline qsreal LocalTime(qsreal t)
-{
-    return t + LocalTZA + DaylightSavingTA(t);
-}
-
-static inline qsreal UTC(qsreal t)
-{
-    return t - LocalTZA - DaylightSavingTA(t - LocalTZA);
-}
-
-static inline qsreal TimeClip(qsreal t)
-{
-    if (! qIsFinite(t) || fabs(t) > 8.64e15)
-        return qSNaN();
-    return ToInteger(t);
-}
-
-static qsreal getLocalTZA()
-{
-#ifndef Q_WS_WIN
-    struct tm* t;
-    time_t curr;
-    time(&curr);
-    t = localtime(&curr);
-    time_t locl = mktime(t);
-    t = gmtime(&curr);
-    time_t globl = mktime(t);
-    return double(locl - globl) * 1000.0;
-#else
-    TIME_ZONE_INFORMATION tzInfo;
-    GetTimeZoneInformation(&tzInfo);
-    return -tzInfo.Bias * 60.0 * 1000.0;
-#endif
-}
-
-/*!
-  \internal
-
-  Converts the QDateTime \a dt to an ECMA Date value (in UTC form).
-*/
-qsreal FromDateTime(const QDateTime &dt)
-{
-    if (!dt.isValid())
-        return qSNaN();
-    if (!LocalTZA) // ### move
-        LocalTZA = getLocalTZA();
-    QDate date = dt.date();
-    QTime taim = dt.time();
-    int year = date.year();
-    int month = date.month() - 1;
-    int day = date.day();
-    int hours = taim.hour();
-    int mins = taim.minute();
-    int secs = taim.second();
-    int ms = taim.msec();
-    double t = MakeDate(MakeDay(year, month, day),
-                        MakeTime(hours, mins, secs, ms));
-    if (dt.timeSpec() == Qt::LocalTime)
-        t = UTC(t);
-    return TimeClip(t);
-}
-
-/*!
-  \internal
-
-  Converts the ECMA Date value \tt (in UTC form) to QDateTime
-  according to \a spec.
-*/
-QDateTime ToDateTime(qsreal t, Qt::TimeSpec spec)
-{
-    if (qIsNaN(t))
-        return QDateTime();
-    if (!LocalTZA) // ### move
-        LocalTZA = getLocalTZA();
-    if (spec == Qt::LocalTime)
-        t = LocalTime(t);
-    int year = int(YearFromTime(t));
-    int month = int(MonthFromTime(t) + 1);
-    int day = int(DateFromTime(t));
-    int hours = HourFromTime(t);
-    int mins = MinFromTime(t);
-    int secs = SecFromTime(t);
-    int ms = msFromTime(t);
-    return QDateTime(QDate(year, month, day), QTime(hours, mins, secs, ms), spec);
-}
-
-} // namespace QScript
-
-QT_END_NAMESPACE
diff --git a/src/script/utils/qscriptdate_p.h b/src/script/utils/qscriptdate_p.h
deleted file mode 100644
index b9c9fd4..0000000
--- a/src/script/utils/qscriptdate_p.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtScript module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL-ONLY$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QSCRIPTDATE_P_H
-#define QSCRIPTDATE_P_H
-
-//
-//  W A R N I N G
-//  -------------
-//
-// This file is not part of the Qt API.  It exists purely as an
-// implementation detail.  This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include <QtCore/qdatetime.h>
-
-QT_BEGIN_NAMESPACE
-
-typedef double qsreal;
-
-namespace QScript
-{
-    qsreal FromDateTime(const QDateTime &dt);
-    QDateTime ToDateTime(qsreal t, Qt::TimeSpec spec);
-}
-
-QT_END_NAMESPACE
-
-#endif
diff --git a/src/script/utils/utils.pri b/src/script/utils/utils.pri
deleted file mode 100644
index d8302d5..0000000
--- a/src/script/utils/utils.pri
+++ /dev/null
@@ -1,5 +0,0 @@
-SOURCES += \
-    $$PWD/qscriptdate.cpp
-
-HEADERS += \
-    $$PWD/qscriptdate_p.h