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131 lines
4 KiB
C++
131 lines
4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtQml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QV4COMPILER_P_H
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#define QV4COMPILER_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qstring.h>
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#include "qv4jsir_p.h"
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QT_BEGIN_NAMESPACE
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class QQmlPropertyData;
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namespace QV4 {
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namespace CompiledData {
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struct Unit;
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struct Lookup;
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struct RegExp;
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struct JSClassMember;
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}
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namespace Compiler {
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struct Q_QML_PRIVATE_EXPORT StringTableGenerator {
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StringTableGenerator();
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int registerString(const QString &str);
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int getStringId(const QString &string) const;
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QString stringForIndex(int index) const { return strings.at(index); }
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uint stringCount() const { return strings.size(); }
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uint sizeOfTableAndData() const { return stringDataSize + strings.count() * sizeof(uint); }
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void clear();
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void serialize(CompiledData::Unit *unit);
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private:
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QHash<QString, int> stringToId;
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QStringList strings;
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uint stringDataSize;
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};
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struct Q_QML_PRIVATE_EXPORT JSUnitGenerator {
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JSUnitGenerator(IR::Module *module);
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int registerString(const QString &str) { return stringTable.registerString(str); }
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int getStringId(const QString &string) const { return stringTable.getStringId(string); }
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QString stringForIndex(int index) const { return stringTable.stringForIndex(index); }
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uint registerGetterLookup(const QString &name);
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uint registerSetterLookup(const QString &name);
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uint registerGlobalGetterLookup(const QString &name);
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uint registerIndexedGetterLookup();
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uint registerIndexedSetterLookup();
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int registerRegExp(IR::RegExp *regexp);
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int registerConstant(ReturnedValue v);
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int registerJSClass(int count, IR::ExprList *args);
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enum GeneratorOption {
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GenerateWithStringTable,
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GenerateWithoutStringTable
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};
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QV4::CompiledData::Unit *generateUnit(GeneratorOption option = GenerateWithStringTable);
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// Returns bytes written
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int writeFunction(char *f, int index, IR::Function *irFunction);
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StringTableGenerator stringTable;
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private:
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IR::Module *irModule;
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QHash<IR::Function *, uint> functionOffsets;
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QList<CompiledData::Lookup> lookups;
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QVector<CompiledData::RegExp> regexps;
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QVector<ReturnedValue> constants;
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QList<QList<CompiledData::JSClassMember> > jsClasses;
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uint jsClassDataSize;
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};
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}
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}
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QT_END_NAMESPACE
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#endif
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