1# /* **************************************************************************
2# * *
3# * (C) Copyright Edward Diener 2011. *
4# * (C) Copyright Paul Mensonides 2011. *
5# * Distributed under the Boost Software License, Version 1.0. (See *
6# * accompanying file LICENSE_1_0.txt or copy at *
7# * http://www.boost.org/LICENSE_1_0.txt) *
8# * *
9# ************************************************************************** */
10#
11# /* See http://www.boost.org for most recent version. */
12#
13# ifndef BOOST_PREPROCESSOR_ARRAY_ENUM_HPP
14# define BOOST_PREPROCESSOR_ARRAY_ENUM_HPP
15#
16# include <boost/preprocessor/cat.hpp>
17# include <boost/preprocessor/config/config.hpp>
18# include <boost/preprocessor/control/if.hpp>
19# include <boost/preprocessor/array/size.hpp>
20# include <boost/preprocessor/tuple/rem.hpp>
21# include <boost/preprocessor/variadic/has_opt.hpp>
22#
23# /* BOOST_PP_ARRAY_ENUM */
24#
25# if BOOST_PP_VARIADIC_HAS_OPT()
26# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
27# define BOOST_PP_ARRAY_ENUM_NOT_EMPTY(array) BOOST_PP_ARRAY_ENUM_I(BOOST_PP_TUPLE_REM_CTOR, array)
28# define BOOST_PP_ARRAY_ENUM_I(m, args) BOOST_PP_ARRAY_ENUM_II(m, args)
29# define BOOST_PP_ARRAY_ENUM_II(m, args) BOOST_PP_CAT(m ## args,)
30# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
31# define BOOST_PP_ARRAY_ENUM_NOT_EMPTY(array) BOOST_PP_ARRAY_ENUM_I(array)
32# define BOOST_PP_ARRAY_ENUM_I(array) BOOST_PP_TUPLE_REM_CTOR ## array
33# else
34# define BOOST_PP_ARRAY_ENUM_NOT_EMPTY(array) BOOST_PP_TUPLE_REM_CTOR array
35# endif
36# define BOOST_PP_ARRAY_ENUM_EMPTY(array)
37# define BOOST_PP_ARRAY_ENUM(array) BOOST_PP_IF(BOOST_PP_ARRAY_SIZE(array),BOOST_PP_ARRAY_ENUM_NOT_EMPTY,BOOST_PP_ARRAY_ENUM_EMPTY)(array)
38# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
39# define BOOST_PP_ARRAY_ENUM(array) BOOST_PP_ARRAY_ENUM_I(BOOST_PP_TUPLE_REM_CTOR, array)
40# define BOOST_PP_ARRAY_ENUM_I(m, args) BOOST_PP_ARRAY_ENUM_II(m, args)
41# define BOOST_PP_ARRAY_ENUM_II(m, args) BOOST_PP_CAT(m ## args,)
42# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
43# define BOOST_PP_ARRAY_ENUM(array) BOOST_PP_ARRAY_ENUM_I(array)
44# define BOOST_PP_ARRAY_ENUM_I(array) BOOST_PP_TUPLE_REM_CTOR ## array
45# else
46# define BOOST_PP_ARRAY_ENUM(array) BOOST_PP_TUPLE_REM_CTOR array
47# endif
48#
49# endif
50

source code of boost/libs/preprocessor/include/boost/preprocessor/array/enum.hpp