source: NonGTP/Boost/boost/preprocessor/array/insert.hpp @ 857

Revision 857, 3.1 KB checked in by igarcia, 19 years ago (diff)
Line 
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_ARRAY_INSERT_HPP
13# define BOOST_PREPROCESSOR_ARRAY_INSERT_HPP
14#
15# include <boost/preprocessor/arithmetic/inc.hpp>
16# include <boost/preprocessor/array/elem.hpp>
17# include <boost/preprocessor/array/push_back.hpp>
18# include <boost/preprocessor/array/size.hpp>
19# include <boost/preprocessor/comparison/not_equal.hpp>
20# include <boost/preprocessor/control/deduce_d.hpp>
21# include <boost/preprocessor/control/iif.hpp>
22# include <boost/preprocessor/control/while.hpp>
23# include <boost/preprocessor/tuple/elem.hpp>
24#
25# /* BOOST_PP_ARRAY_INSERT */
26#
27# define BOOST_PP_ARRAY_INSERT(array, i, elem) BOOST_PP_ARRAY_INSERT_I(BOOST_PP_DEDUCE_D(), array, i, elem)
28# define BOOST_PP_ARRAY_INSERT_I(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D(d, array, i, elem)
29#
30# /* BOOST_PP_ARRAY_INSERT_D */
31#
32# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
33#    define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, (0, i, elem, (0, ()), array)))
34# else
35#    define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem)
36#    define BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem) BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, (0, i, elem, (0, ()), array)))
37# endif
38#
39# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
40#    define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I state
41# else
42#    define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I(nil, nil, nil, BOOST_PP_TUPLE_ELEM(5, 3, state), BOOST_PP_TUPLE_ELEM(5, 4, state))
43# endif
44#
45# define BOOST_PP_ARRAY_INSERT_P_I(_i, _ii, _iii, res, arr) BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), BOOST_PP_INC(BOOST_PP_ARRAY_SIZE(arr)))
46#
47# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
48#    define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I state
49# else
50#    define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I(BOOST_PP_TUPLE_ELEM(5, 0, state), BOOST_PP_TUPLE_ELEM(5, 1, state), BOOST_PP_TUPLE_ELEM(5, 2, state), BOOST_PP_TUPLE_ELEM(5, 3, state), BOOST_PP_TUPLE_ELEM(5, 4, state))
51# endif
52#
53# define BOOST_PP_ARRAY_INSERT_O_I(n, i, elem, res, arr) (BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), i), BOOST_PP_INC(n), n), i, elem, BOOST_PP_ARRAY_PUSH_BACK(res, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), i), BOOST_PP_ARRAY_ELEM(n, arr), elem)), arr)
54#
55# endif
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