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 55