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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 "gccpreprocessor.h"
#include <QProcess>
#include <QString>
#include <QFile>
#include <QtDebug>
using namespace Qt4ProjectManager::Internal;
GCCPreprocessor::GCCPreprocessor(const QString &gcc)
: m_gcc(gcc)
{ }
GCCPreprocessor::~GCCPreprocessor()
{ }
void GCCPreprocessor::setGcc(const QString &gcc)
{
if (m_gcc == gcc)
return;
m_gcc = gcc;
m_predefinedMacros.clear();;
m_systemHeaderPaths.clear();;
}
QByteArray GCCPreprocessor::predefinedMacros()
{
if (m_predefinedMacros.isEmpty()) {
QStringList arguments;
arguments << QLatin1String("-xc++")
<< QLatin1String("-E")
<< QLatin1String("-dM")
<< QLatin1String("-");
QProcess cpp;
cpp.start(m_gcc, arguments);
cpp.closeWriteChannel();
cpp.waitForFinished();
m_predefinedMacros = cpp.readAllStandardOutput();
}
return m_predefinedMacros;
}
QList<HeaderPath> GCCPreprocessor::systemHeaderPaths()
{
if (m_systemHeaderPaths.isEmpty()) {
QStringList arguments;
arguments << QLatin1String("-xc++")
<< QLatin1String("-E")
<< QLatin1String("-v")
<< QLatin1String("-");
QProcess cpp;
cpp.setReadChannelMode(QProcess::MergedChannels);
cpp.start(m_gcc, arguments);
cpp.closeWriteChannel();
cpp.waitForFinished();
QByteArray line;
while (cpp.canReadLine()) {
line = cpp.readLine();
if (line.startsWith("#include"))
break;
}
if (! line.isEmpty() && line.startsWith("#include")) {
HeaderPath::Kind kind = HeaderPath::UserHeaderPath;
while (cpp.canReadLine()) {
line = cpp.readLine();
if (line.startsWith("#include")) {
kind = HeaderPath::GlobalHeaderPath;
} else if (! line.isEmpty() && QChar(line.at(0)).isSpace()) {
HeaderPath::Kind thisHeaderKind = kind;
line = line.trimmed();
if (line.endsWith('\n'))
line.chop(1);
int index = line.indexOf(" (framework directory)");
if (index != -1) {
line = line.left(index);
thisHeaderKind = HeaderPath::FrameworkHeaderPath;
}
m_systemHeaderPaths.append(HeaderPath(QFile::decodeName(line), thisHeaderKind));
} else if (line.startsWith("End of search list.")) {
break;
} else {
qWarning() << "ignore line:" << line;
}
}
}
}
return m_systemHeaderPaths;
}
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