Long live Qt 4.5!

1 files changed, 361 insertions, 0 deletions

diff --git a/src/script/qscriptcontext_p.h b/src/script/qscriptcontext_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 QSCRIPTCONTEXT_P_H
+#define QSCRIPTCONTEXT_P_H
+
+#include "qscriptcontextfwd_p.h"
+
+#ifndef QT_NO_SCRIPT
+
+#include "qscriptenginefwd_p.h"
+#include "qscriptnameid_p.h"
+
+#include <QtCore/qnumeric.h>
+
+QT_BEGIN_NAMESPACE
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+inline QScriptContextPrivate::QScriptContextPrivate()
+    : previous(0),
+      argc(0),
+      m_state(QScriptContext::NormalState),
+      args(0),
+      tempStack(0),
+      stackPtr(0),
+      m_code(0),
+      iPtr(0),
+      firstInstruction(0),
+      lastInstruction(0),
+      currentLine(0),
+      currentColumn(0),
+      errorLineNumber(0),
+      catching(false),
+      m_calledAsConstructor(false),
+      calleeMetaIndex(0),
+      q_ptr(0)
+{
+}
+
+inline QScriptContextPrivate *QScriptContextPrivate::get(QScriptContext *q)
+{
+    if (q)
+        return q->d_func();
+    return 0;
+}
+
+inline const QScriptContextPrivate *QScriptContextPrivate::get(const QScriptContext *q)
+{
+    if (q)
+        return q->d_func();
+    return 0;
+}
+
+inline QScriptContext *QScriptContextPrivate::create()
+{
+    return new QScriptContext;
+}
+
+inline QScriptEnginePrivate *QScriptContextPrivate::engine() const
+{
+    return m_activation.engine();
+}
+
+inline QScriptContextPrivate *QScriptContextPrivate::parentContext() const
+{
+    return previous;
+}
+
+inline void QScriptContextPrivate::init(QScriptContextPrivate *parent)
+{
+    m_state = QScriptContext::NormalState;
+    previous = parent;
+    args = 0;
+    argc = 0;
+    m_code = 0;
+    iPtr = firstInstruction = lastInstruction = 0;
+    stackPtr = tempStack = (parent != 0) ? parent->stackPtr : 0;
+    m_activation.invalidate();
+    m_thisObject.invalidate();
+    m_result.invalidate();
+    m_scopeChain.invalidate();
+    m_callee.invalidate();
+    m_arguments.invalidate();
+    currentLine = -1;
+    currentColumn = -1;
+    errorLineNumber = -1;
+    m_calledAsConstructor = false;
+}
+
+inline QScriptValueImpl QScriptContextPrivate::argument(int index) const
+{
+    if (index >= argc)
+        return engine()->undefinedValue();
+
+    Q_ASSERT(args != 0);
+    return args[index];
+}
+
+inline int QScriptContextPrivate::argumentCount() const
+{
+    return argc;
+}
+
+inline QScriptValueImpl QScriptContextPrivate::argumentsObject() const
+{
+    if (!m_arguments.isValid() && m_activation.isValid()) {
+        QScriptContextPrivate *dd = const_cast<QScriptContextPrivate*>(this);
+        engine()->newArguments(&dd->m_arguments, m_activation,
+                               argc, m_callee);
+    }
+    return m_arguments;
+}
+
+inline void QScriptContextPrivate::throwException()
+{
+    m_state = QScriptContext::ExceptionState;
+}
+
+inline bool QScriptContextPrivate::hasUncaughtException() const
+{
+    return m_state == QScriptContext::ExceptionState;
+}
+
+inline void QScriptContextPrivate::recover()
+{
+    m_state = QScriptContext::NormalState;
+    errorLineNumber = -1;
+}
+
+inline bool QScriptContextPrivate::isNumerical(const QScriptValueImpl &v)
+{
+    switch (v.type()) {
+    case QScript::BooleanType:
+    case QScript::IntegerType:
+    case QScript::NumberType:
+        return true;
+
+    default:
+        return false;
+    }
+}
+
+inline bool QScriptContextPrivate::eq_cmp(const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
+{
+    if (lhs.type() == rhs.type()) {
+        switch (lhs.type()) {
+        case QScript::InvalidType:
+        case QScript::UndefinedType:
+        case QScript::NullType:
+            return true;
+
+        case QScript::NumberType:
+            return lhs.m_number_value == rhs.m_number_value;
+
+        case QScript::ReferenceType:
+        case QScript::IntegerType:
+            return lhs.m_int_value == rhs.m_int_value;
+
+        case QScript::BooleanType:
+            return lhs.m_bool_value == rhs.m_bool_value;
+
+        case QScript::StringType:
+            if (lhs.m_string_value->unique && rhs.m_string_value->unique)
+                return lhs.m_string_value == rhs.m_string_value;
+            return lhs.m_string_value->s == rhs.m_string_value->s;
+
+        case QScript::PointerType:
+            return lhs.m_ptr_value == rhs.m_ptr_value;
+
+        case QScript::ObjectType:
+            if (lhs.isVariant())
+                return lhs.m_object_value == rhs.m_object_value || lhs.toVariant() == rhs.toVariant();
+#ifndef QT_NO_QOBJECT
+            else if (lhs.isQObject())
+                return lhs.m_object_value == rhs.m_object_value || lhs.toQObject() == rhs.toQObject();
+#endif
+            else
+                return lhs.m_object_value == rhs.m_object_value;
+
+        case QScript::LazyStringType:
+            return *lhs.m_lazy_string_value == *rhs.m_lazy_string_value;
+        }
+    }
+
+    return eq_cmp_helper(lhs, rhs);
+}
+
+inline bool QScriptContextPrivate::strict_eq_cmp( const QScriptValueImpl &lhs, const QScriptValueImpl &rhs)
+{
+    if (lhs.type() != rhs.type())
+        return false;
+
+    switch (lhs.type()) {
+    case QScript::InvalidType:
+    case QScript::UndefinedType:
+    case QScript::NullType:
+        return true;
+
+    case QScript::NumberType:
+        if (qIsNaN(lhs.m_number_value) || qIsNaN(rhs.m_number_value))
+            return false;
+        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;
+
+    case QScript::StringType:
+        if (lhs.m_string_value->unique && rhs.m_string_value->unique)
+            return lhs.m_string_value == rhs.m_string_value;
+        return lhs.m_string_value->s == rhs.m_string_value->s;
+
+    case QScript::ObjectType:
+        return lhs.m_object_value == rhs.m_object_value;
+
+    case QScript::ReferenceType:
+        return lhs.m_int_value == rhs.m_int_value;
+
+    case QScript::PointerType:
+        return lhs.m_ptr_value == rhs.m_ptr_value;
+
+    case QScript::LazyStringType:
+        return *lhs.m_lazy_string_value == *rhs.m_lazy_string_value;
+    }
+
+    return false;
+}
+
+inline QScriptValueImpl QScriptContextPrivate::throwTypeError(const QString &text)
+{
+    return throwError(QScriptContext::TypeError, text);
+}
+
+inline QScriptValueImpl QScriptContextPrivate::throwSyntaxError(const QString &text)
+{
+    return throwError(QScriptContext::SyntaxError, text);
+}
+
+inline QScriptValueImpl QScriptContextPrivate::thisObject() const
+{
+    return m_thisObject;
+}
+
+inline void QScriptContextPrivate::setThisObject(const QScriptValueImpl &object)
+{
+    m_thisObject = object;
+}
+
+inline QScriptValueImpl QScriptContextPrivate::callee() const
+{
+    return m_callee;
+}
+
+inline bool QScriptContextPrivate::isCalledAsConstructor() const
+{
+    return m_calledAsConstructor;
+}
+
+inline QScriptValueImpl QScriptContextPrivate::returnValue() const
+{
+    return m_result;
+}
+
+inline void QScriptContextPrivate::setReturnValue(const QScriptValueImpl &value)
+{
+    m_result = value;
+}
+
+inline QScriptValueImpl QScriptContextPrivate::activationObject() const
+{
+    if (previous && !m_activation.property(QLatin1String("arguments")).isValid()) {
+        QScriptContextPrivate *dd = const_cast<QScriptContextPrivate*>(this);
+        dd->m_activation.setProperty(QLatin1String("arguments"), argumentsObject());
+    }
+    return m_activation;
+}
+
+inline void QScriptContextPrivate::setActivationObject(const QScriptValueImpl &activation)
+{
+    m_activation = activation;
+}
+
+inline const QScriptInstruction *QScriptContextPrivate::instructionPointer()
+{
+    return iPtr;
+}
+
+inline void QScriptContextPrivate::setInstructionPointer(const QScriptInstruction *instructionPointer)
+{
+    iPtr = instructionPointer;
+}
+
+inline const QScriptValueImpl *QScriptContextPrivate::baseStackPointer() const
+{
+    return tempStack;
+}
+
+inline const QScriptValueImpl *QScriptContextPrivate::currentStackPointer() const
+{
+    return stackPtr;
+}
+
+inline QScriptContext::ExecutionState QScriptContextPrivate::state() const
+{
+    return m_state;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SCRIPT
+#endif