williamr@4: # /* **************************************************************************
williamr@4: #  *                                                                          *
williamr@4: #  *     (C) Copyright Paul Mensonides 2002.
williamr@4: #  *     Distributed under the Boost Software License, Version 1.0. (See
williamr@4: #  *     accompanying file LICENSE_1_0.txt or copy at
williamr@4: #  *     http://www.boost.org/LICENSE_1_0.txt)
williamr@4: #  *                                                                          *
williamr@4: #  ************************************************************************** */
williamr@4: #
williamr@4: # /* See http://www.boost.org for most recent version. */
williamr@4: #
williamr@4: # ifndef BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
williamr@4: # define BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
williamr@4: #
williamr@4: # include <boost/preprocessor/arithmetic/dec.hpp>
williamr@4: # include <boost/preprocessor/arithmetic/inc.hpp>
williamr@4: # include <boost/preprocessor/array/elem.hpp>
williamr@4: # include <boost/preprocessor/array/size.hpp>
williamr@4: # include <boost/preprocessor/repetition/enum.hpp>
williamr@4: # include <boost/preprocessor/repetition/deduce_z.hpp>
williamr@4: #
williamr@4: # /* BOOST_PP_ARRAY_POP_FRONT */
williamr@4: #
williamr@4: # define BOOST_PP_ARRAY_POP_FRONT(array) BOOST_PP_ARRAY_POP_FRONT_Z(BOOST_PP_DEDUCE_Z(), array)
williamr@4: #
williamr@4: # /* BOOST_PP_ARRAY_POP_FRONT_Z */
williamr@4: #
williamr@4: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@4: #    define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
williamr@4: # else
williamr@4: #    define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array)
williamr@4: #    define BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
williamr@4: # endif
williamr@4: #
williamr@4: # 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)))
williamr@4: # define BOOST_PP_ARRAY_POP_FRONT_M(z, n, data) BOOST_PP_ARRAY_ELEM(BOOST_PP_INC(n), data)
williamr@4: #
williamr@4: # endif