1# /* **************************************************************************
2# * *
3# * (C) Copyright Paul Mensonides 2002.
4# * Distributed under the Boost Software License, Version 1.0. (See
5# * accompanying file LICENSE_1_0.txt or copy at
6# * http://www.boost.org/LICENSE_1_0.txt)
7# * *
8# ************************************************************************** */
9#
10# /* See http://www.boost.org for most recent version. */
11#
12# ifndef BOOST_PREPROCESSOR_REPETITION_ENUM_TRAILING_HPP
13# define BOOST_PREPROCESSOR_REPETITION_ENUM_TRAILING_HPP
14#
15# include <boost/preprocessor/cat.hpp>
16# include <boost/preprocessor/config/config.hpp>
17# include <boost/preprocessor/debug/error.hpp>
18# include <boost/preprocessor/detail/auto_rec.hpp>
19# include <boost/preprocessor/repetition/repeat.hpp>
20# include <boost/preprocessor/tuple/elem.hpp>
21# include <boost/preprocessor/tuple/rem.hpp>
22#
23# /* BOOST_PP_ENUM_TRAILING */
24#
25# if 0
26# define BOOST_PP_ENUM_TRAILING(count, macro, data)
27# endif
28#
29# define BOOST_PP_ENUM_TRAILING BOOST_PP_CAT(BOOST_PP_ENUM_TRAILING_, BOOST_PP_AUTO_REC(BOOST_PP_REPEAT_P, 4))
30#
31# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
32# define BOOST_PP_ENUM_TRAILING_1(c, m, d) BOOST_PP_REPEAT_1(c, BOOST_PP_ENUM_TRAILING_M_1, (m, d))
33# define BOOST_PP_ENUM_TRAILING_2(c, m, d) BOOST_PP_REPEAT_2(c, BOOST_PP_ENUM_TRAILING_M_2, (m, d))
34# define BOOST_PP_ENUM_TRAILING_3(c, m, d) BOOST_PP_REPEAT_3(c, BOOST_PP_ENUM_TRAILING_M_3, (m, d))
35# else
36# define BOOST_PP_ENUM_TRAILING_1(c, m, d) BOOST_PP_ENUM_TRAILING_1_I(c, m, d)
37# define BOOST_PP_ENUM_TRAILING_2(c, m, d) BOOST_PP_ENUM_TRAILING_2_I(c, m, d)
38# define BOOST_PP_ENUM_TRAILING_3(c, m, d) BOOST_PP_ENUM_TRAILING_3_I(c, m, d)
39# define BOOST_PP_ENUM_TRAILING_1_I(c, m, d) BOOST_PP_REPEAT_1(c, BOOST_PP_ENUM_TRAILING_M_1, (m, d))
40# define BOOST_PP_ENUM_TRAILING_2_I(c, m, d) BOOST_PP_REPEAT_2(c, BOOST_PP_ENUM_TRAILING_M_2, (m, d))
41# define BOOST_PP_ENUM_TRAILING_3_I(c, m, d) BOOST_PP_REPEAT_3(c, BOOST_PP_ENUM_TRAILING_M_3, (m, d))
42# endif
43#
44# define BOOST_PP_ENUM_TRAILING_4(c, m, d) BOOST_PP_ERROR(0x0003)
45#
46# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
47# define BOOST_PP_ENUM_TRAILING_M_1(z, n, md) BOOST_PP_ENUM_TRAILING_M_1_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
48# define BOOST_PP_ENUM_TRAILING_M_2(z, n, md) BOOST_PP_ENUM_TRAILING_M_2_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
49# define BOOST_PP_ENUM_TRAILING_M_3(z, n, md) BOOST_PP_ENUM_TRAILING_M_3_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
50# define BOOST_PP_ENUM_TRAILING_M_1_IM(z, n, im) BOOST_PP_ENUM_TRAILING_M_1_I(z, n, im)
51# define BOOST_PP_ENUM_TRAILING_M_2_IM(z, n, im) BOOST_PP_ENUM_TRAILING_M_2_I(z, n, im)
52# define BOOST_PP_ENUM_TRAILING_M_3_IM(z, n, im) BOOST_PP_ENUM_TRAILING_M_3_I(z, n, im)
53# else
54# define BOOST_PP_ENUM_TRAILING_M_1(z, n, md) BOOST_PP_ENUM_TRAILING_M_1_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
55# define BOOST_PP_ENUM_TRAILING_M_2(z, n, md) BOOST_PP_ENUM_TRAILING_M_2_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
56# define BOOST_PP_ENUM_TRAILING_M_3(z, n, md) BOOST_PP_ENUM_TRAILING_M_3_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
57# endif
58#
59# define BOOST_PP_ENUM_TRAILING_M_1_I(z, n, m, d) , m(z, n, d)
60# define BOOST_PP_ENUM_TRAILING_M_2_I(z, n, m, d) , m(z, n, d)
61# define BOOST_PP_ENUM_TRAILING_M_3_I(z, n, m, d) , m(z, n, d)
62#
63# endif
64

source code of include/boost/preprocessor/repetition/enum_trailing.hpp