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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "commandlinearguments.h"
#include "clangfilepath.h"
#include <utf8string.h>
#include <utils/algorithm.h>
#include <utils/qtcprocess.h>
#include <QByteArray>
#include <QDebug>
static QList<QByteArray> splitArgs(QString &argsString)
{
QList<QByteArray> result;
Utils::ProcessArgs::ArgIterator it(&argsString);
while (it.next())
result.append(it.value().toUtf8());
return result;
}
template<size_t Size>
static QList<QByteArray> extraOptions(const char(&environment)[Size])
{
if (!qEnvironmentVariableIsSet(environment))
return QList<QByteArray>();
QString arguments = QString::fromLocal8Bit(qgetenv(environment));
return splitArgs(arguments);
}
static QList<QByteArray> extraClangCodeModelPrependOptions() {
constexpr char ccmPrependOptions[] = "QTC_CLANG_CCM_CMD_PREPEND";
static const QList<QByteArray> options = extraOptions(ccmPrependOptions);
if (!options.isEmpty())
qWarning() << "ClangCodeModel options are prepended with " << options;
return options;
}
static QList<QByteArray> extraClangCodeModelAppendOptions() {
constexpr char ccmAppendOptions[] = "QTC_CLANG_CCM_CMD_APPEND";
static const QList<QByteArray> options = extraOptions(ccmAppendOptions);
if (!options.isEmpty())
qWarning() << "ClangCodeModel options are appended with " << options;
return options;
}
namespace ClangBackEnd {
CommandLineArguments::CommandLineArguments(const char *filePath,
const Utf8StringVector &compilationArguments,
bool addVerboseOption)
: m_prependArgs(extraClangCodeModelPrependOptions()),
m_appendArgs(extraClangCodeModelAppendOptions())
{
const int elementsToReserve = m_prependArgs.size()
+ compilationArguments.size()
+ (addVerboseOption ? 1 : 0)
+ m_appendArgs.size();
m_arguments.reserve(static_cast<size_t>(elementsToReserve));
for (const auto &argument : m_prependArgs)
m_arguments.push_back(argument.constData());
for (const auto &argument : compilationArguments)
m_arguments.push_back(argument.constData());
if (addVerboseOption)
m_arguments.push_back("-v");
for (const auto &argument : m_appendArgs)
m_arguments.push_back(argument.constData());
m_nativeFilePath = FilePath::toNativeSeparators(Utf8String::fromUtf8(filePath));
m_arguments.push_back(m_nativeFilePath.constData());
}
const char * const *CommandLineArguments::data() const
{
return m_arguments.data();
}
int CommandLineArguments::count() const
{
return int(m_arguments.size());
}
const char *CommandLineArguments::at(int position) const
{
return m_arguments.at(uint(position));
}
static Utf8String maybeQuoted(const char *argumentAsCString)
{
const QString argumentAsQString = QString::fromUtf8(argumentAsCString);
const QString quotedArgument = Utils::ProcessArgs::quoteArg(argumentAsQString);
return Utf8String::fromString(quotedArgument);
}
void CommandLineArguments::print() const
{
auto cerr = qCritical();
cerr << "Arguments to libclang:";
for (const auto &argument : m_arguments)
cerr.noquote() << maybeQuoted(argument).constData();
}
} // namespace ClangBackEnd
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