Restructure source code

Move the v4 engine classes from a subdir of qml/qml into
two subdirs (compiler and jsruntime) of the qml module
Remove an unsued qv4syntaxchecker class, and move
the moth code directly into compiler.

Change-Id: I6929bede1f25098e6cb2e68087e779fac16b0c68
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 154 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4internalclass_p.h b/src/qml/jsruntime/qv4internalclass_p.h
new file mode 100644
index 0000000000..fc6c5352b1
--- /dev/null
+++ b/src/qml/jsruntime/qv4internalclass_p.h
@@ -0,0 +1,154 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QV4INTERNALCLASS_H
+#define QV4INTERNALCLASS_H
+
+#include <QHash>
+#include <QVector>
+#include "qv4global_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QV4 {
+
+struct String;
+struct ExecutionEngine;
+struct Object;
+struct Identifier;
+
+struct PropertyHashData;
+struct PropertyHash
+{
+    struct Entry {
+        const Identifier *identifier;
+        uint index;
+    };
+
+    PropertyHashData *d;
+
+    inline PropertyHash();
+    inline PropertyHash(const PropertyHash &other);
+    inline ~PropertyHash();
+
+    void addEntry(const Entry &entry, int classSize);
+    uint lookup(const Identifier *identifier) const;
+
+private:
+    PropertyHash &operator=(const PropertyHash &other);
+};
+
+struct PropertyHashData
+{
+    PropertyHashData(int numBits);
+    ~PropertyHashData() {
+        free(entries);
+    }
+
+    QBasicAtomicInt refCount;
+    int alloc;
+    int size;
+    int numBits;
+    PropertyHash::Entry *entries;
+};
+
+inline PropertyHash::PropertyHash()
+{
+    d = new PropertyHashData(3);
+}
+
+inline PropertyHash::PropertyHash(const PropertyHash &other)
+{
+    d = other.d;
+    d->refCount.ref();
+}
+
+inline PropertyHash::~PropertyHash()
+{
+    if (!d->refCount.deref())
+        delete d;
+}
+
+struct InternalClassTransition
+{
+    Identifier *id;
+    int flags;
+
+    bool operator==(const InternalClassTransition &other) const
+    { return id == other.id && flags == other.flags; }
+};
+uint qHash(const QV4::InternalClassTransition &t, uint = 0);
+
+struct InternalClass {
+    ExecutionEngine *engine;
+    PropertyHash propertyTable; // id to valueIndex
+    QVector<String *> nameMap;
+
+    QVector<PropertyAttributes> propertyData;
+
+    typedef InternalClassTransition Transition;
+    QHash<Transition, InternalClass *> transitions; // id to next class, positive means add, negative delete
+
+    InternalClass *m_sealed;
+    InternalClass *m_frozen;
+
+    uint size;
+
+    InternalClass *addMember(String *string, PropertyAttributes data, uint *index = 0);
+    InternalClass *changeMember(String *string, PropertyAttributes data, uint *index = 0);
+    void removeMember(Object *object, Identifier *id);
+    uint find(String *s);
+
+    InternalClass *sealed();
+    InternalClass *frozen();
+
+    void destroy();
+
+private:
+    friend struct ExecutionEngine;
+    InternalClass(ExecutionEngine *engine) : engine(engine), m_sealed(0), m_frozen(0), size(0) {}
+    InternalClass(const InternalClass &other);
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif