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** Copyright (C) 2016 The Qt Company Ltd.
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** GNU General Public License Usage
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#pragma once

#include "clangtool.h"

#include <sourcerangescontainer.h>
#include <dynamicastmatcherdiagnosticcontainer.h>

#include <stringcache.h>

namespace clang {
namespace ast_matchers {
namespace dynamic {
class Diagnostics;
}

namespace internal {
class DynTypedMatcher;
}
}

class SourceManager;
}

namespace ClangBackEnd {

class ClangQuery : public ClangTool
{
public:
    ClangQuery(FilePathCache<std::mutex> &filePathCache, Utils::SmallString &&query={});

    void setQuery(Utils::SmallString &&query);

    void findLocations();

    SourceRangesContainer takeSourceRanges();
    DynamicASTMatcherDiagnosticContainers takeDiagnosticContainers();

private:
    void parseDiagnostics(const clang::ast_matchers::dynamic::Diagnostics &diagnostics);
    void matchLocation(const llvm::Optional< clang::ast_matchers::internal::DynTypedMatcher> &optionalStartMatcher,
                       std::unique_ptr<clang::ASTUnit> ast);

private:
    SourceRangesContainer sourceRangesContainer;
    Utils::SmallString query;
    std::vector<DynamicASTMatcherDiagnosticContainer> diagnosticContainers_;
    FilePathCache<std::mutex> &filePathCache;
};

} // namespace ClangBackEnd