Long live Qt 4.5!

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diff --git a/src/script/qscriptcontextfwd_p.h b/src/script/qscriptcontextfwd_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCRIPTCONTEXTFWD_P_H
+#define QSCRIPTCONTEXTFWD_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 "qscriptvalueimplfwd_p.h"
+
+#ifndef QT_NO_SCRIPT
+
+#include "qscriptcontext.h"
+
+#include <QtCore/qobjectdefs.h>
+
+#if defined Q_CC_MSVC && !defined Q_CC_MSVC_NET
+#include <QtCore/qnumeric.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+namespace QScript {
+    namespace AST {
+    class Node;
+    }
+class Code;
+}
+
+class QScriptInstruction;
+
+class QScriptContextPrivate
+{
+    Q_DECLARE_PUBLIC(QScriptContext)
+public:
+    inline QScriptContextPrivate();
+
+    static inline QScriptContextPrivate *get(QScriptContext *q);
+    static inline const QScriptContextPrivate *get(const QScriptContext *q);
+    static QScriptContext *get(QScriptContextPrivate *d);
+
+    static inline QScriptContext *create();
+
+    inline QScriptEnginePrivate *engine() const;
+    inline QScriptContextPrivate *parentContext() const;
+
+    inline void init(QScriptContextPrivate *parent);
+    inline QScriptValueImpl argument(int index) const;
+    inline int argumentCount() const;
+    inline QScriptValueImpl argumentsObject() const;
+
+    inline void throwException();
+    inline bool hasUncaughtException() const;
+    const QScriptInstruction *findExceptionHandler(const QScriptInstruction *ip) const;
+    const QScriptInstruction *findExceptionHandlerRecursive(
+        const QScriptInstruction *ip, QScriptContextPrivate **handlerContext) const;
+    QScriptContextPrivate *exceptionHandlerContext() const;
+    inline void recover();
+    QStringList backtrace() const;
+
+    static inline bool isNumerical(const QScriptValueImpl &v);
+
+    static inline bool eq_cmp(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs);
+
+    static bool eq_cmp_helper(QScriptValueImpl lhs, QScriptValueImpl rhs);
+
+#if defined(Q_CC_GNU) && __GNUC__ <= 3
+    static bool lt_cmp(QScriptValueImpl lhs, QScriptValueImpl rhs);
+#else
+    static bool lt_cmp(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
+    {
+        if (lhs.type() == rhs.type()) {
+            switch (lhs.type()) {
+            case QScript::UndefinedType:
+            case QScript::NullType:
+                return false;
+
+            case QScript::NumberType:
+#if defined Q_CC_MSVC && !defined Q_CC_MSVC_NET
+                if (qIsNaN(lhs.m_number_value) || qIsNaN(rhs.m_number_value))
+                    return false;
+#endif
+                return lhs.m_number_value < rhs.m_number_value;
+
+            case QScript::IntegerType:
+                return lhs.m_int_value < rhs.m_int_value;
+
+            case QScript::BooleanType:
+                return lhs.m_bool_value < rhs.m_bool_value;
+
+            default:
+                break;
+            } // switch
+        }
+
+        return lt_cmp_helper(lhs, rhs);
+    }
+
+    static bool lt_cmp_helper(QScriptValueImpl lhs, QScriptValueImpl rhs);
+#endif
+
+    static bool le_cmp(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
+    {
+        if (lhs.type() == rhs.type()) {
+            switch (lhs.type()) {
+            case QScript::UndefinedType:
+            case QScript::NullType:
+                return true;
+
+            case QScript::NumberType:
+                return lhs.m_number_value <= rhs.m_number_value;
+
+            case QScript::IntegerType:
+                return lhs.m_int_value <= rhs.m_int_value;
+
+            case QScript::BooleanType:
+                return lhs.m_bool_value <= rhs.m_bool_value;
+
+            default:
+                break;
+            } // switch
+        }
+
+        return le_cmp_helper(lhs, rhs);
+    }
+
+    static bool le_cmp_helper(QScriptValueImpl lhs, QScriptValueImpl rhs);
+
+    static inline bool strict_eq_cmp(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs);
+
+    bool resolveField(QScriptEnginePrivate *eng, QScriptValueImpl *stackPtr,
+                      QScriptValueImpl *value);
+
+    void execute(QScript::Code *code);
+
+    QScriptValueImpl throwError(QScriptContext::Error error, const QString &text);
+    QScriptValueImpl throwError(const QString &text);
+
+#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
+    qint64 scriptId() const;
+#endif
+    QString fileName() const;
+    QString functionName() const;
+    void setDebugInformation(QScriptValueImpl *error) const;
+
+    QScriptValueImpl throwNotImplemented(const QString &name);
+    QScriptValueImpl throwNotDefined(const QString &name);
+    QScriptValueImpl throwNotDefined(QScriptNameIdImpl *nameId);
+
+    inline QScriptValueImpl throwTypeError(const QString &text);
+    inline QScriptValueImpl throwSyntaxError(const QString &text);
+
+    inline QScriptValueImpl thisObject() const;
+    inline void setThisObject(const QScriptValueImpl &object);
+
+    inline QScriptValueImpl callee() const;
+    inline bool isCalledAsConstructor() const;
+
+    inline QScriptValueImpl returnValue() const;
+    inline void setReturnValue(const QScriptValueImpl &value);
+
+    inline QScriptValueImpl activationObject() const;
+    inline void setActivationObject(const QScriptValueImpl &activation);
+
+    inline const QScriptInstruction *instructionPointer();
+    inline void setInstructionPointer(const QScriptInstruction *instructionPointer);
+
+    inline const QScriptValueImpl *baseStackPointer() const;
+    inline const QScriptValueImpl *currentStackPointer() const;
+
+    inline QScriptContext::ExecutionState state() const;
+
+public:
+    QScriptContextPrivate *previous;
+    int argc;
+    QScriptContext::ExecutionState m_state;
+
+    QScriptValueImpl m_activation;
+    QScriptValueImpl m_thisObject;
+    QScriptValueImpl m_result;
+    QScriptValueImpl m_scopeChain;
+    QScriptValueImpl m_callee;
+    QScriptValueImpl m_arguments;
+
+    QScriptValueImpl *args;
+    QScriptValueImpl *tempStack;
+    QScriptValueImpl *stackPtr;
+
+    QScript::Code *m_code;
+    const QScriptInstruction *iPtr;
+    const QScriptInstruction *firstInstruction;
+    const QScriptInstruction *lastInstruction;
+
+    int currentLine;
+    int currentColumn;
+
+    int errorLineNumber;
+
+    bool catching;
+    bool m_calledAsConstructor;
+
+    int calleeMetaIndex;
+
+    QScriptContext *q_ptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SCRIPT
+#endif