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Fixes for empty tuple processing

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Edward Diener
2014-04-27 12:00:13 -04:00
parent 21ccb35814
commit f80bb83f3b
5 changed files with 87 additions and 6 deletions
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52
include/boost/preprocessor/array/detail/get_data.hpp Normal file
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@ -0,0 +1,52 @@
# /* **************************************************************************
# * *
# * (C) Copyright Edward Diener 2014. *
# * Distributed under the Boost Software License, Version 1.0. (See *
# * accompanying file LICENSE_1_0.txt or copy at *
# * http://www.boost.org/LICENSE_1_0.txt) *
# * *
# ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
# ifndef BOOST_PREPROCESSOR_ARRAY_DETAIL_GET_DATA_HPP
# define BOOST_PREPROCESSOR_ARRAY_DETAIL_GET_DATA_HPP
#
# include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/tuple/rem.hpp>
#
# if BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC && _MSC_VER != 1400
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/control/if.hpp>
# include <boost/preprocessor/control/iif.hpp>
# include <boost/preprocessor/facilities/is_1.hpp>
#
# /* BOOST_PP_ARRAY_DETAIL_GET_DATA */
#
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_REM(...) BOOST_PP_CAT(__VA_ARGS__,)
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_TUPLE_REM(size) BOOST_PP_ARRAY_DETAIL_GET_DATA_REM
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_SINGLE(size, data) BOOST_PP_ARRAY_DETAIL_GET_DATA_TUPLE_REM(size) data
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) BOOST_PP_TUPLE_REM(size) data
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_CHECK_ZERO(size, data) \
BOOST_PP_IF \
( \
size, \
BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY, \
BOOST_PP_ARRAY_DETAIL_GET_DATA_SINGLE \
) \
(size,data) \
/**/
# define BOOST_PP_ARRAY_DETAIL_GET_DATA(size, data) \
BOOST_PP_IIF \
( \
BOOST_PP_IS_1(size), \
BOOST_PP_ARRAY_DETAIL_GET_DATA_SINGLE, \
BOOST_PP_ARRAY_DETAIL_GET_DATA_CHECK_ZERO \
) \
(size,data) \
/**/
# else
# define BOOST_PP_ARRAY_DETAIL_GET_DATA(size, data) BOOST_PP_TUPLE_REM(size) data
# endif /* BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC && _MSC_VER != 1400 */
#
# endif /* BOOST_PREPROCESSOR_ARRAY_DETAIL_GET_DATA_HPP */

4
include/boost/preprocessor/array/push_back.hpp
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@ -1,6 +1,7 @@
# /* **************************************************************************
# * *
# * (C) Copyright Paul Mensonides 2002.
# * (C) Copyright Edward Diener 2014.
# * Distributed under the Boost Software License, Version 1.0. (See
# * accompanying file LICENSE_1_0.txt or copy at
# * http://www.boost.org/LICENSE_1_0.txt)
@ -18,6 +19,7 @@
# include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/punctuation/comma_if.hpp>
# include <boost/preprocessor/tuple/rem.hpp>
# include <boost/preprocessor/array/detail/get_data.hpp>
#
# /* BOOST_PP_ARRAY_PUSH_BACK */
#
@ -28,6 +30,6 @@
# define BOOST_PP_ARRAY_PUSH_BACK_D(array, elem) BOOST_PP_ARRAY_PUSH_BACK_I(BOOST_PP_ARRAY_SIZE(array), BOOST_PP_ARRAY_DATA(array), elem)
# endif
#
# define BOOST_PP_ARRAY_PUSH_BACK_I(size, data, elem) (BOOST_PP_INC(size), (BOOST_PP_TUPLE_REM(size) data BOOST_PP_COMMA_IF(size) elem))
# define BOOST_PP_ARRAY_PUSH_BACK_I(size, data, elem) (BOOST_PP_INC(size), (BOOST_PP_ARRAY_DETAIL_GET_DATA(size,data) BOOST_PP_COMMA_IF(size) elem))
#
# endif

4
include/boost/preprocessor/array/push_front.hpp
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@ -1,6 +1,7 @@
# /* **************************************************************************
# * *
# * (C) Copyright Paul Mensonides 2002.
# * (C) Copyright Edward Diener 2014.
# * Distributed under the Boost Software License, Version 1.0. (See
# * accompanying file LICENSE_1_0.txt or copy at
# * http://www.boost.org/LICENSE_1_0.txt)
@ -18,6 +19,7 @@
# include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/punctuation/comma_if.hpp>
# include <boost/preprocessor/tuple/rem.hpp>
# include <boost/preprocessor/array/detail/get_data.hpp>
#
# /* BOOST_PP_ARRAY_PUSH_FRONT */
#
@ -28,6 +30,6 @@
# define BOOST_PP_ARRAY_PUSH_FRONT_D(array, elem) BOOST_PP_ARRAY_PUSH_FRONT_I(BOOST_PP_ARRAY_SIZE(array), BOOST_PP_ARRAY_DATA(array), elem)
# endif
#
# define BOOST_PP_ARRAY_PUSH_FRONT_I(size, data, elem) (BOOST_PP_INC(size), (elem BOOST_PP_COMMA_IF(size) BOOST_PP_TUPLE_REM(size) data))
# define BOOST_PP_ARRAY_PUSH_FRONT_I(size, data, elem) (BOOST_PP_INC(size), (elem BOOST_PP_COMMA_IF(size) BOOST_PP_ARRAY_DETAIL_GET_DATA(size,data)))
#
# endif