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/****************************************************************************
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**
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** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Script Generator project on Qt Labs.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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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 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "preprocessor.h"
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#include <string>
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// register callback for include hooks
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static void includeFileHook(const std::string &, const std::string &, FILE *);
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#define PP_HOOK_ON_FILE_INCLUDED(A, B, C) includeFileHook(A, B, C)
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#include "pp.h"
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using namespace rpp;
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#include <QtCore/QtCore>
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class PreprocessorPrivate
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{
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public:
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QByteArray result;
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pp_environment env;
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QStringList includePaths;
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void initPP(pp &proc)
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{
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foreach(QString path, includePaths)
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proc.push_include_path(path.toStdString());
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}
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};
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QHash<QString, QStringList> includedFiles;
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void includeFileHook(const std::string &fileName, const std::string &filePath, FILE *)
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{
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includedFiles[QString::fromStdString(fileName)].append(QString::fromStdString(filePath));
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}
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Preprocessor::Preprocessor()
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{
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d = new PreprocessorPrivate;
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includedFiles.clear();
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}
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Preprocessor::~Preprocessor()
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{
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delete d;
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}
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void Preprocessor::processFile(const QString &fileName)
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{
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pp proc(d->env);
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d->initPP(proc);
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d->result.reserve(d->result.size() + 20 * 1024);
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d->result += "# 1 \"" + fileName.toLatin1() + "\"\n"; // ### REMOVE ME
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proc.file(fileName.toLocal8Bit().constData(), std::back_inserter(d->result));
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}
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void Preprocessor::processString(const QByteArray &str)
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{
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pp proc(d->env);
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d->initPP(proc);
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proc(str.begin(), str.end(), std::back_inserter(d->result));
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}
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QByteArray Preprocessor::result() const
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{
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return d->result;
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}
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void Preprocessor::addIncludePaths(const QStringList &includePaths)
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{
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d->includePaths += includePaths;
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}
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QStringList Preprocessor::macroNames() const
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{
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QStringList macros;
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pp_environment::const_iterator it = d->env.first_macro();
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while (it != d->env.last_macro()) {
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const pp_macro *m = *it;
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macros += QString::fromLatin1(m->name->begin(), m->name->size());
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++it;
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}
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return macros;
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}
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QList<Preprocessor::MacroItem> Preprocessor::macros() const
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{
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QList<MacroItem> items;
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pp_environment::const_iterator it = d->env.first_macro();
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while (it != d->env.last_macro()) {
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const pp_macro *m = *it;
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MacroItem item;
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item.name = QString::fromLatin1(m->name->begin(), m->name->size());
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item.definition = QString::fromLatin1(m->definition->begin(),
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m->definition->size());
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for (size_t i = 0; i < m->formals.size(); ++i) {
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item.parameters += QString::fromLatin1(m->formals[i]->begin(),
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m->formals[i]->size());
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}
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item.isFunctionLike = m->function_like;
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#ifdef PP_WITH_MACRO_POSITION
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item.fileName = QString::fromLatin1(m->file->begin(), m->file->size());
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#endif
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items += item;
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++it;
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}
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return items;
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}
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/*
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int main()
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{
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Preprocessor pp;
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QStringList paths;
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paths << "/usr/include";
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pp.addIncludePaths(paths);
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pp.processFile("pp-configuration");
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pp.processFile("/usr/include/stdio.h");
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qDebug() << pp.result();
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return 0;
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}
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*/
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