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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QV4IDENTIFIERTABLE_H
#define QV4IDENTIFIERTABLE_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 "qv4identifier_p.h"
#include "qv4string_p.h"
#include "qv4engine_p.h"
#include <limits.h>
QT_BEGIN_NAMESPACE
namespace QV4 {
struct IdentifierTable
{
ExecutionEngine *engine;
int alloc;
int size;
int numBits;
Heap::String **entries;
void addEntry(Heap::String *str);
public:
IdentifierTable(ExecutionEngine *engine);
~IdentifierTable();
Heap::String *insertString(const QString &s);
Identifier *identifier(const Heap::String *str) {
if (str->identifier)
return str->identifier;
return identifierImpl(str);
}
Identifier *identifier(const QV4::String *str) {
return identifier(str->d());
}
Identifier *identifier(const QString &s);
Identifier *identifier(const char *s, int len);
Identifier *identifierImpl(const Heap::String *str);
Heap::String *stringFromIdentifier(Identifier *i);
void mark(ExecutionEngine *e) {
for (int i = 0; i < alloc; ++i) {
Heap::String *entry = entries[i];
if (!entry || entry->isMarked())
continue;
entry->setMarkBit();
Q_ASSERT(entry->vtable()->markObjects);
entry->vtable()->markObjects(entry, e);
}
}
};
}
QT_END_NAMESPACE
#endif
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