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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 QV4COMPILER_P_H
#define QV4COMPILER_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/qstring.h>
#include "qv4jsir_p.h"
QT_BEGIN_NAMESPACE
class QQmlPropertyData;
namespace QV4 {
namespace CompiledData {
struct Unit;
struct Lookup;
struct RegExp;
struct JSClassMember;
}
namespace Compiler {
struct Q_QML_PRIVATE_EXPORT StringTableGenerator {
StringTableGenerator();
int registerString(const QString &str);
int getStringId(const QString &string) const;
QString stringForIndex(int index) const { return strings.at(index); }
uint stringCount() const { return strings.size(); }
uint sizeOfTableAndData() const { return stringDataSize + strings.count() * sizeof(uint); }
void clear();
void serialize(CompiledData::Unit *unit);
private:
QHash<QString, int> stringToId;
QStringList strings;
uint stringDataSize;
};
struct Q_QML_PRIVATE_EXPORT JSUnitGenerator {
JSUnitGenerator(IR::Module *module);
int registerString(const QString &str) { return stringTable.registerString(str); }
int getStringId(const QString &string) const { return stringTable.getStringId(string); }
QString stringForIndex(int index) const { return stringTable.stringForIndex(index); }
uint registerGetterLookup(const QString &name);
uint registerSetterLookup(const QString &name);
uint registerGlobalGetterLookup(const QString &name);
uint registerIndexedGetterLookup();
uint registerIndexedSetterLookup();
int registerRegExp(IR::RegExp *regexp);
int registerConstant(ReturnedValue v);
int registerJSClass(int count, IR::ExprList *args);
enum GeneratorOption {
GenerateWithStringTable,
GenerateWithoutStringTable
};
QV4::CompiledData::Unit *generateUnit(GeneratorOption option = GenerateWithStringTable);
// Returns bytes written
int writeFunction(char *f, int index, IR::Function *irFunction);
StringTableGenerator stringTable;
private:
IR::Module *irModule;
QHash<IR::Function *, uint> functionOffsets;
QList<CompiledData::Lookup> lookups;
QVector<CompiledData::RegExp> regexps;
QVector<ReturnedValue> constants;
QList<QList<CompiledData::JSClassMember> > jsClasses;
uint jsClassDataSize;
};
}
}
QT_END_NAMESPACE
#endif
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