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