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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the qt3to4 porting application 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PREPROCESSORCONTROL_H
#define PREPROCESSORCONTROL_H
#include "tokenengine.h"
#include "tokenizer.h"
#include "rpplexer.h"
#include "rpptreeevaluator.h"
#include "rpp.h"
#include <QString>
#include <QStringList>
#include <QHash>
QT_BEGIN_NAMESPACE
class IncludeFiles
{
public:
IncludeFiles(const QString &basePath, const QStringList &searchPaths);
QString quoteLookup(const QString ¤tFile,
const QString &includeFile)const;
QString angleBracketLookup(const QString &includeFile) const;
QString resolve(const QString &filename) const;
private:
QString searchIncludePaths(const QString &includeFile)const;
QStringList m_searchPaths;
QString m_basePath;
};
class PreprocessorCache: public QObject
{
Q_OBJECT
public:
PreprocessorCache();
TokenEngine::TokenContainer sourceTokens(const QString &filename);
Rpp::Source *sourceTree(const QString &filename);
bool containsSourceTokens(const QString &filename);
bool containsSourceTree(const QString &filename);
signals:
void error(QString type, QString text);
void readFile(QByteArray &contents, QString filename);
private:
QByteArray readFile(const QString & filename) const;
Tokenizer m_tokenizer;
Rpp::RppLexer m_lexer;
Rpp::Preprocessor m_preprocessor;
TypedPool<Rpp::Item> m_memoryPool;
QHash<QString, Rpp::Source *> m_sourceTrees;
QHash<QString, TokenEngine::TokenContainer> m_sourceTokens;
};
class PreprocessorController: public QObject
{
Q_OBJECT
public:
PreprocessorController(IncludeFiles includefiles,
PreprocessorCache &preprocessorCache,
QStringList preLoadFilesFilenames = QStringList());
TokenEngine::TokenSectionSequence evaluate(const QString &filename, Rpp::DefineMap *activedefinitions);
public slots:
void includeSlot(Rpp::Source *&includee, const Rpp::Source *includer,
const QString &filename, Rpp::RppTreeEvaluator::IncludeType includeType);
void readFile(QByteArray &contents, QString filename);
signals:
void error(QString type, QString text);
private:
IncludeFiles m_includeFiles;
Rpp::RppTreeEvaluator m_rppTreeEvaluator;
PreprocessorCache &m_preprocessorCache;
QHash<QString, QByteArray> m_preLoadFiles;
};
Rpp::DefineMap *defaultMacros(PreprocessorCache &preprocessorCache);
class StandardOutErrorHandler : public QObject
{
Q_OBJECT
public slots:
void error(QString type, QString text);
};
class RppPreprocessor
{
public:
RppPreprocessor(QString basePath, QStringList includePaths, QStringList preLoadFilesFilename = QStringList());
~RppPreprocessor();
TokenEngine::TokenSectionSequence evaluate(const QString &filename);
private:
IncludeFiles m_includeFiles;
PreprocessorCache m_cache;
Rpp::DefineMap *m_activeDefinitions;
PreprocessorController m_controller;
StandardOutErrorHandler m_errorHandler;
};
QT_END_NAMESPACE
#endif
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