| Brian Silverman | f27e085 | 2018-08-04 23:56:45 -0700 | [diff] [blame^] | 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_REMOVE_HPP |
| 13 | # define BOOST_PREPROCESSOR_ARRAY_REMOVE_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/eat.hpp> |
| 24 | # include <boost/preprocessor/tuple/elem.hpp> |
| 25 | # |
| 26 | # /* BOOST_PP_ARRAY_REMOVE */ |
| 27 | # |
| 28 | # define BOOST_PP_ARRAY_REMOVE(array, i) BOOST_PP_ARRAY_REMOVE_I(BOOST_PP_DEDUCE_D(), array, i) |
| 29 | # define BOOST_PP_ARRAY_REMOVE_I(d, array, i) BOOST_PP_ARRAY_REMOVE_D(d, array, i) |
| 30 | # |
| 31 | # /* BOOST_PP_ARRAY_REMOVE_D */ |
| 32 | # |
| 33 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
| 34 | # define BOOST_PP_ARRAY_REMOVE_D(d, array, i) BOOST_PP_TUPLE_ELEM(4, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_REMOVE_P, BOOST_PP_ARRAY_REMOVE_O, (0, i, (0, ()), array))) |
| 35 | # else |
| 36 | # define BOOST_PP_ARRAY_REMOVE_D(d, array, i) BOOST_PP_ARRAY_REMOVE_D_I(d, array, i) |
| 37 | # define BOOST_PP_ARRAY_REMOVE_D_I(d, array, i) BOOST_PP_TUPLE_ELEM(4, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_REMOVE_P, BOOST_PP_ARRAY_REMOVE_O, (0, i, (0, ()), array))) |
| 38 | # endif |
| 39 | # |
| 40 | # define BOOST_PP_ARRAY_REMOVE_P(d, st) BOOST_PP_NOT_EQUAL(BOOST_PP_TUPLE_ELEM(4, 0, st), BOOST_PP_ARRAY_SIZE(BOOST_PP_TUPLE_ELEM(4, 3, st))) |
| 41 | # |
| 42 | # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() |
| 43 | # define BOOST_PP_ARRAY_REMOVE_O(d, st) BOOST_PP_ARRAY_REMOVE_O_I st |
| 44 | # else |
| 45 | # define BOOST_PP_ARRAY_REMOVE_O(d, st) BOOST_PP_ARRAY_REMOVE_O_I(BOOST_PP_TUPLE_ELEM(4, 0, st), BOOST_PP_TUPLE_ELEM(4, 1, st), BOOST_PP_TUPLE_ELEM(4, 2, st), BOOST_PP_TUPLE_ELEM(4, 3, st)) |
| 46 | # endif |
| 47 | # |
| 48 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC() |
| 49 | # define BOOST_PP_ARRAY_REMOVE_O_I(n, i, res, arr) (BOOST_PP_INC(n), i, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(n, i), BOOST_PP_ARRAY_PUSH_BACK, res BOOST_PP_TUPLE_EAT_2)(res, BOOST_PP_ARRAY_ELEM(n, arr)), arr) |
| 50 | # else |
| 51 | # define BOOST_PP_ARRAY_REMOVE_O_I(n, i, res, arr) (BOOST_PP_INC(n), i, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(n, i), BOOST_PP_ARRAY_PUSH_BACK, BOOST_PP_TUPLE_ELEM_2_0)(res, BOOST_PP_ARRAY_ELEM(n, arr)), arr) |
| 52 | # endif |
| 53 | # |
| 54 | # endif |