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static_assert.h
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    00001 // -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
    00002 // vim:tabstop=4:shiftwidth=4:expandtab:
    00003
    00004 /*
    00005  * Copyright (C) 2004-2008 Wu Yongwei <adah at users dot sourceforge dot net>
    00006  *
    00007  * This software is provided 'as-is', without any express or implied
    00008  * warranty.  In no event will the authors be held liable for any
    00009  * damages arising from the use of this software.
    00010  *
    00011  * Permission is granted to anyone to use this software for any purpose,
    00012  * including commercial applications, and to alter it and redistribute
    00013  * it freely, subject to the following restrictions:
    00014  *
    00015  * 1. The origin of this software must not be misrepresented; you must
    00016  *    not claim that you wrote the original software.  If you use this
    00017  *    software in a product, an acknowledgement in the product
    00018  *    documentation would be appreciated but is not required.
    00019  * 2. Altered source versions must be plainly marked as such, and must
    00020  *    not be misrepresented as being the original software.
    00021  * 3. This notice may not be removed or altered from any source
    00022  *    distribution.
    00023  *
    00024  * This file is part of Stones of Nvwa:
    00025  *      http://sourceforge.net/projects/nvwa
    00026  *
    00027  */
    00028
    00040 #ifndef QT_NO_DEBUG
    00041 #ifndef _QX_MODE_RELEASE
    00042 #if _QX_USE_MEM_LEAK_DETECTION
    00043 #ifndef STATIC_ASSERT
    00044
    00045 namespace qx {
    00046 namespace memory {
    00047
    00048 template <bool> struct __nvwa_compile_time_error;
    00049 template <>     struct __nvwa_compile_time_error<true> {};
    00050
    00051 } // namespace memory
    00052 } // namespace qx
    00053
    00054 #define STATIC_ASSERT(_Expr, _Msg) \
    00055     { \
    00056         __nvwa_compile_time_error<((_Expr) != 0)> ERROR_##_Msg; \
    00057         (void)ERROR_##_Msg; \
    00058     }
    00059
    00060 #endif // STATIC_ASSERT
    00061 #endif // _QX_USE_MEM_LEAK_DETECTION
    00062 #endif // _QX_MODE_RELEASE
    00063 #endif // QT_NO_DEBUG