path: root/include/pdb/error.hpp

// Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "PDB repository" project.
// For details, see https://github.com/egor-tensin/pdb-repo.
// Distributed under the MIT License.

#pragma once

#include <Windows.h>

#include <string>
#include <system_error>

namespace pdb {
namespace error {

class CategoryWindows : public std::error_category {
public:
    CategoryWindows() = default;

    const char* name() const noexcept { return "Windows"; }

    std::string message(int) const;
};

inline const CategoryWindows& category_windows() {
    static const CategoryWindows instance;
    return instance;
}

inline std::system_error windows(DWORD code) {
    static_assert(sizeof(DWORD) == sizeof(int), "Aren't DWORDs the same size as ints?");

    return std::system_error{static_cast<int>(code), category_windows()};
}

} // namespace error
} // namespace pdb