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_POP_FRONT_HPP 13 # define BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP 14 # 15 # include <boost/preprocessor/arithmetic/dec.hpp> 16 # include <boost/preprocessor/arithmetic/inc.hpp> 17 # include <boost/preprocessor/array/elem.hpp> 18 # include <boost/preprocessor/array/size.hpp> 19 # include <boost/preprocessor/repetition/enum.hpp> 20 # include <boost/preprocessor/repetition/deduce_z.hpp> 21 # 22 # /* BOOST_PP_ARRAY_POP_FRONT */ 23 # 24 # define BOOST_PP_ARRAY_POP_FRONT(array) BOOST_PP_ARRAY_POP_FRONT_Z(BOOST_PP_DEDUCE_Z(), array) 25 # 26 # /* BOOST_PP_ARRAY_POP_FRONT_Z */ 27 # 28 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 29 # define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array) 30 # else 31 # define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array) 32 # define BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array) 33 # endif 34 # 35 # define BOOST_PP_ARRAY_POP_FRONT_I(z, size, array) (BOOST_PP_DEC(size), (BOOST_PP_ENUM_ ## z(BOOST_PP_DEC(size), BOOST_PP_ARRAY_POP_FRONT_M, array))) 36 # define BOOST_PP_ARRAY_POP_FRONT_M(z, n, data) BOOST_PP_ARRAY_ELEM(BOOST_PP_INC(n), data) 37 # 38 # endif 39