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/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Script Generator project on Qt Labs.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "preprocessor.h"
#include <string>
// register callback for include hooks
static void includeFileHook(const std::string &, const std::string &, FILE *);
#define PP_HOOK_ON_FILE_INCLUDED(A, B, C) includeFileHook(A, B, C)
#include "pp.h"
using namespace rpp;
#include <QtCore/QtCore>
class PreprocessorPrivate
{
public:
QByteArray result;
pp_environment env;
QStringList includePaths;
void initPP(pp &proc)
{
foreach(QString path, includePaths)
proc.push_include_path(path.toStdString());
}
};
QHash<QString, QStringList> includedFiles;
void includeFileHook(const std::string &fileName, const std::string &filePath, FILE *)
{
includedFiles[QString::fromStdString(fileName)].append(QString::fromStdString(filePath));
}
Preprocessor::Preprocessor()
{
d = new PreprocessorPrivate;
includedFiles.clear();
}
Preprocessor::~Preprocessor()
{
delete d;
}
void Preprocessor::processFile(const QString &fileName)
{
pp proc(d->env);
d->initPP(proc);
d->result.reserve(d->result.size() + 20 * 1024);
d->result += "# 1 \"" + fileName.toLatin1() + "\"\n"; // ### REMOVE ME
proc.file(fileName.toLocal8Bit().constData(), std::back_inserter(d->result));
}
void Preprocessor::processString(const QByteArray &str)
{
pp proc(d->env);
d->initPP(proc);
proc(str.begin(), str.end(), std::back_inserter(d->result));
}
QByteArray Preprocessor::result() const
{
return d->result;
}
void Preprocessor::addIncludePaths(const QStringList &includePaths)
{
d->includePaths += includePaths;
}
QStringList Preprocessor::macroNames() const
{
QStringList macros;
pp_environment::const_iterator it = d->env.first_macro();
while (it != d->env.last_macro()) {
const pp_macro *m = *it;
macros += QString::fromLatin1(m->name->begin(), m->name->size());
++it;
}
return macros;
}
QList<Preprocessor::MacroItem> Preprocessor::macros() const
{
QList<MacroItem> items;
pp_environment::const_iterator it = d->env.first_macro();
while (it != d->env.last_macro()) {
const pp_macro *m = *it;
MacroItem item;
item.name = QString::fromLatin1(m->name->begin(), m->name->size());
item.definition = QString::fromLatin1(m->definition->begin(),
m->definition->size());
for (size_t i = 0; i < m->formals.size(); ++i) {
item.parameters += QString::fromLatin1(m->formals[i]->begin(),
m->formals[i]->size());
}
item.isFunctionLike = m->function_like;
#ifdef PP_WITH_MACRO_POSITION
item.fileName = QString::fromLatin1(m->file->begin(), m->file->size());
#endif
items += item;
++it;
}
return items;
}
/*
int main()
{
Preprocessor pp;
QStringList paths;
paths << "/usr/include";
pp.addIncludePaths(paths);
pp.processFile("pp-configuration");
pp.processFile("/usr/include/stdio.h");
qDebug() << pp.result();
return 0;
}
*/
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