libcruft-util/win32/except.hpp

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2010, 2017
* Danny Robson <danny@nerdcruft.net>
*/
#ifndef CRUFT_UTIL_WIN32_EXCEPT_HPP
#define CRUFT_UTIL_WIN32_EXCEPT_HPP
#include "windows.hpp"
#include <stdexcept>
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#include <functional>
namespace cruft::win32 {
class error : public std::runtime_error {
public:
explicit error (DWORD _code);
error ();
DWORD code (void) const;
static DWORD last_code (void);
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template <typename FunctionT, typename ...ArgsT>
static decltype(auto)
try_call (FunctionT &&func, ArgsT &&...args)
{
return try_value (
std::invoke (
std::forward<FunctionT> (func),
std::forward<ArgsT> (args)...
)
);
}
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static HANDLE try_value (HANDLE);
static void try_code (void);
static void try_code (DWORD);
static void throw_code [[gnu::noreturn]] (void);
static void throw_code [[gnu::noreturn]] (DWORD);
static std::string code_string (void);
static std::string code_string (DWORD);
private:
DWORD m_code;
};
}
#endif