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path: root/src/libs/cplusplus/FastPreprocessor.cpp
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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/

#include "FastPreprocessor.h"

using namespace CPlusPlus;

FastPreprocessor::FastPreprocessor(const Snapshot &snapshot)
    : _snapshot(snapshot),
      _preproc(this, &_env)
{ }

QByteArray FastPreprocessor::run(QString fileName, const QString &source)
{
    const QByteArray preprocessed = _preproc(fileName, source);
    return preprocessed;
}

void FastPreprocessor::mergeEnvironment(const QString &fileName)
{
    if (! _merged.contains(fileName)) {
        _merged.insert(fileName);

        if (Document::Ptr doc = _snapshot.value(fileName)) {
            foreach (const Document::Include &i, doc->includes())
                mergeEnvironment(i.fileName());

            _env.addMacros(doc->definedMacros());
        }
    }
}