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construct/include/ircd/util.h
2016-07-30 20:52:41 -05:00

65 lines
2.2 KiB
C++

/*
* charybdis: 21st Century IRC++d
* util.h: Miscellaneous utilities
*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#define HAVE_IRCD_UTIL_H
#ifdef __cplusplus
inline namespace ircd {
inline namespace util {
#define IRCD_EXPCAT(a, b) a ## b
#define IRCD_CONCAT(a, b) IRCD_EXPCAT(a, b)
#define IRCD_UNIQUE(a) IRCD_CONCAT(a, __COUNTER__)
#define IRCD_OVERLOAD(NAME) \
struct NAME##_t {}; \
static constexpr NAME##_t NAME {};
#define IRCD_STRONG_TYPEDEF(TYPE, NAME) \
struct NAME \
{ \
TYPE val; \
\
operator const TYPE &() const { return val; } \
operator TYPE &() { return val; } \
};
// ex: using foo_t = IRCD_STRONG_T(int)
#define IRCD_STRONG_T(TYPE) \
IRCD_STRONG_TYPEDEF(TYPE, IRCD_UNIQUE(strong_t))
template<class T>
using custom_ptr = std::unique_ptr<T, std::function<void (T *)>>;
} // namespace util
} // namespace ircd
#endif // __cplusplus