Orxonox  0.0.5 Codename: Arcturus
VA_NARGS.h
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1 /*
2  * ORXONOX - the hottest 3D action shooter ever to exist
3  * > www.orxonox.net <
4  *
5  *
6  * License notice:
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * as published by the Free Software Foundation; either version 2
11  * of the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21  *
22  * Author:
23  * Fabian 'x3n' Landau
24  * Co-authors:
25  * ...
26  *
27  */
28 
68 #include <boost/preprocessor/cat.hpp>
69 #include <boost/preprocessor/facilities/expand.hpp>
70 
74 #define ORXONOX_VA_NARGS(...) \
75  ORXONOX_VA_NARGS_CONCAT(__VA_ARGS__, ORXONOX_VA_NARGS_NUMBERS)
76 
77 
78 // some helper macros //
79 
80 #define ORXONOX_VA_NARGS_CONCAT(...) \
81  BOOST_PP_EXPAND(ORXONOX_VA_NARGS_INTERN(__VA_ARGS__))
82 
83 #define ORXONOX_VA_NARGS_INTERN( \
84  arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, \
85  arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18, arg19, arg20, \
86  arg21, arg22, arg23, arg24, arg25, arg26, arg27, arg28, arg29, arg30, \
87  arg31, arg32, arg33, arg34, arg35, arg36, arg37, arg38, arg39, arg40, \
88  arg41, arg42, arg43, arg44, arg45, arg46, arg47, arg48, arg49, arg50, \
89  arg51, arg52, arg53, arg54, arg55, arg56, arg57, arg58, arg59, arg60, \
90  arg61, arg62, arg63, argn, ...) argn
91 
92 #define ORXONOX_VA_NARGS_NUMBERS \
93  63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, \
94  47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, \
95  31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, \
96  15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0