qt-creator/tests/unit/unittest/gtest-clang-printing.cpp

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
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** GNU General Public License Usage
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** 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
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#if defined(__GNUC__)
#    pragma GCC diagnostic push
#    pragma GCC diagnostic ignored "-Wunused-parameter"
#elif defined(_MSC_VER)
#    pragma warning(push)
#    pragma warning( disable : 4100 )
#endif

#ifdef CLANG_UNIT_TESTS
#include <clang/Basic/SourceLocation.h>
#include <clang/Basic/SourceManager.h>
#endif

#if defined(__GNUC__)
#    pragma GCC diagnostic pop
#elif defined(_MSC_VER)
#    pragma warning(pop)
#endif

#include <gtest/gtest-printers.h>

namespace TestGlobal {

const clang::SourceManager *globalSourceManager = nullptr;

void setSourceManager(const clang::SourceManager *sourceManager)
{
    globalSourceManager = sourceManager;
}

}

namespace llvm {
std::ostream &operator<<(std::ostream &out, const StringRef stringReference)
{
    out.write(stringReference.data(), std::streamsize(stringReference.size()));

    return out;
}
}

namespace clang {

void PrintTo(const FullSourceLoc &sourceLocation, ::std::ostream *os)
{
    auto &&sourceManager = sourceLocation.getManager();
    auto fileName = sourceManager.getFileEntryForID(sourceLocation.getFileID())->getName();

    *os << "(\""
        << fileName << ", "
        << sourceLocation.getSpellingLineNumber() << ", "
        << sourceLocation.getSpellingColumnNumber() << ")";
}

void PrintTo(const SourceRange &sourceRange, ::std::ostream *os)
{
    if (TestGlobal::globalSourceManager) {
        *os << "("
            << sourceRange.getBegin().printToString(*TestGlobal::globalSourceManager) << ", "
            << sourceRange.getEnd().printToString(*TestGlobal::globalSourceManager) << ")";
    } else {
        *os << "("
            << sourceRange.getBegin().getRawEncoding() << ", "
            << sourceRange.getEnd().getRawEncoding() << ")";
    }
}

}