qt-creator/src/tools/clangrefactoringbackend/source/locationsourcefilecallbacks.cpp

/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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#include "locationsourcefilecallbacks.h"

#include "macropreprocessorcallbacks.h"

#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

#include <clang/Frontend/CompilerInstance.h>
#include <clang/Lex/Preprocessor.h>

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

#include <memory>

namespace ClangBackEnd {

LocationSourceFileCallbacks::LocationSourceFileCallbacks(uint line,
                                                         uint column,
                                                         FilePathCachingInterface &filePathCache)
    : m_filePathCache(filePathCache),
      m_line(line),
      m_column(column)
{
}

bool LocationSourceFileCallbacks::handleBeginSource(clang::CompilerInstance &compilerInstance, llvm::StringRef /*fileName*/)
{
    auto &preprocessor = compilerInstance.getPreprocessor();

    m_macroPreprocessorCallbacks = new MacroPreprocessorCallbacks(m_sourceLocationsContainer,
                                                                  m_symbolName,
                                                                  preprocessor,
                                                                  m_filePathCache,
                                                                  m_line,
                                                                  m_column);

    preprocessor.addPPCallbacks(std::unique_ptr<clang::PPCallbacks>(m_macroPreprocessorCallbacks));

    return true;
}

SourceLocationsContainer LocationSourceFileCallbacks::takeSourceLocations()
{
    return std::move(m_sourceLocationsContainer);
}

Utils::SmallString LocationSourceFileCallbacks::takeSymbolName()
{
    return std::move(m_symbolName);
}

bool LocationSourceFileCallbacks::hasSourceLocations() const
{
    return m_sourceLocationsContainer.hasContent();
}


} // namespace ClangBackEnd