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#pragma once

#include <filepathcachinginterface.h>

#include <clang/Tooling/Tooling.h>

namespace ClangBackEnd {

class CollectMacrosSourceFileCallbacks : public clang::tooling::SourceFileCallbacks
{
public:
    CollectMacrosSourceFileCallbacks(FilePathCachingInterface &filePathCache)
        : m_filePathCache(filePathCache)
    {
    }

    bool handleBeginSource(clang::CompilerInstance &compilerInstance) override;

    const FilePathIds &sourceFiles() const
    {
        return m_sourceFiles;
    }

    void addSourceFiles(const Utils::PathStringVector &filePaths)
    {
        std::transform(filePaths.begin(),
                       filePaths.end(),
                       std::back_inserter(m_sourceFiles),
                       [&] (const  Utils::PathString &filePath) {
            return m_filePathCache.filePathId(FilePathView{filePath});
        });
    }

    void clearSourceFiles()
    {
        m_sourceFiles.clear();
    }

private:
    FilePathIds m_sourceFiles;
    FilePathCachingInterface &m_filePathCache;
};

} // namespace ClangBackEnd