preprocessor/array/insert.hpp

0001 # /* **************************************************************************
0002 #  *                                                                          *
0003 #  *     (C) Copyright Paul Mensonides 2002.
0004 #  *     Distributed under the Boost Software License, Version 1.0. (See
0005 #  *     accompanying file LICENSE_1_0.txt or copy at
0006 #  *     http://www.boost.org/LICENSE_1_0.txt)
0007 #  *                                                                          *
0008 #  ************************************************************************** */
0009 #
0010 # /* Revised by Edward Diener (2020) */
0011 #
0012 # /* See http://www.boost.org for most recent version. */
0013 #
0014 # ifndef BOOST_PREPROCESSOR_ARRAY_INSERT_HPP
0015 # define BOOST_PREPROCESSOR_ARRAY_INSERT_HPP
0016 #
0017 # include <boost/preprocessor/config/config.hpp>
0018 #
0019 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0020 #
0021 # include <boost/preprocessor/arithmetic/inc.hpp>
0022 # include <boost/preprocessor/array/elem.hpp>
0023 # include <boost/preprocessor/array/push_back.hpp>
0024 # include <boost/preprocessor/array/size.hpp>
0025 # include <boost/preprocessor/comparison/not_equal.hpp>
0026 # include <boost/preprocessor/control/deduce_d.hpp>
0027 # include <boost/preprocessor/control/iif.hpp>
0028 # include <boost/preprocessor/control/while.hpp>
0029 # include <boost/preprocessor/tuple/elem.hpp>
0030 #
0031 # /* BOOST_PP_ARRAY_INSERT */
0032 #
0033 # define BOOST_PP_ARRAY_INSERT(array, i, elem) BOOST_PP_ARRAY_INSERT_I(BOOST_PP_DEDUCE_D(), array, i, elem)
0034 # define BOOST_PP_ARRAY_INSERT_I(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D(d, array, i, elem)
0035 #
0036 # /* BOOST_PP_ARRAY_INSERT_D */
0037 #
0038 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0039 #    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)))
0040 # else
0041 #    define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem)
0042 #    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)))
0043 # endif
0044 #
0045 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0046 #    define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I state
0047 # else
0048 #    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))
0049 # endif
0050 #
0051 # 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)))
0052 #
0053 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0054 #    define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I state
0055 # else
0056 #    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))
0057 # endif
0058 #
0059 # 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)
0060 #
0061 # else
0062 #
0063 # include <boost/preprocessor/arithmetic/inc.hpp>
0064 # include <boost/preprocessor/array/elem.hpp>
0065 # include <boost/preprocessor/array/push_back.hpp>
0066 # include <boost/preprocessor/array/size.hpp>
0067 # include <boost/preprocessor/comparison/not_equal.hpp>
0068 # include <boost/preprocessor/config/limits.hpp>
0069 # include <boost/preprocessor/control/deduce_d.hpp>
0070 # include <boost/preprocessor/control/iif.hpp>
0071 # include <boost/preprocessor/control/while.hpp>
0072 # if BOOST_PP_LIMIT_TUPLE == 256
0073 # include <boost/preprocessor/facilities/identity.hpp>
0074 # include <boost/preprocessor/logical/not.hpp>
0075 # endif
0076 # include <boost/preprocessor/tuple/elem.hpp>
0077 #
0078 # /* BOOST_PP_ARRAY_INSERT */
0079 #
0080 # define BOOST_PP_ARRAY_INSERT(array, i, elem) BOOST_PP_ARRAY_INSERT_I(BOOST_PP_DEDUCE_D(), array, i, elem)
0081 # define BOOST_PP_ARRAY_INSERT_I(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D(d, array, i, elem)
0082 #
0083 # /* BOOST_PP_ARRAY_INSERT_D */
0084 #
0085 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0086 # if BOOST_PP_LIMIT_TUPLE == 256
0087 #    define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) \
0088             BOOST_PP_IIF(BOOST_PP_NOT(BOOST_PP_ARRAY_SIZE(array)),BOOST_PP_IDENTITY_N((1,(elem)),5),BOOST_PP_ARRAY_INSERT_ZERO_D)(d, array, i, elem, BOOST_PP_NOT(i))
0089 # else
0090 #    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)))
0091 # endif
0092 # else
0093 #    define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem)
0094 # if BOOST_PP_LIMIT_TUPLE == 256
0095 #    define BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem) \
0096             BOOST_PP_IIF(BOOST_PP_NOT(BOOST_PP_ARRAY_SIZE(array)),BOOST_PP_IDENTITY_N((1,(elem)),5),BOOST_PP_ARRAY_INSERT_ZERO_D)(d, array, i, elem, BOOST_PP_NOT(i))
0097 # else
0098 #    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)))
0099 # endif
0100 # endif
0101 #
0102 # if BOOST_PP_LIMIT_TUPLE == 256
0103 # define BOOST_PP_ARRAY_INSERT_ZERO_D(d, array, i, elem, zero) \
0104          BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, \
0105          (1, i, elem, BOOST_PP_IIF( zero, ( 2 , ( elem , BOOST_PP_ARRAY_ELEM(0,array) ) ) , ( 1 , ( BOOST_PP_ARRAY_ELEM(0,array) ) ) ), array)))
0106 # endif
0107 #
0108 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0109 #    define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I state
0110 # else
0111 #    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))
0112 # endif
0113 #
0114 # 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)))
0115 #
0116 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0117 #    define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I state
0118 # else
0119 #    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))
0120 # endif
0121 #
0122 # 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)
0123 #
0124 # endif
0125 #
0126 # endif