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Updated limit implementation.

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This commit is contained in:
Edward Diener
2020-07-02 11:24:15 -04:00
parent 47b430e3d5
commit 15d0d66a75
161 changed files with 1185 additions and 33760 deletions
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77
include/boost/preprocessor/tuple/elem.hpp
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@ -15,16 +15,75 @@
# ifndef BOOST_PREPROCESSOR_TUPLE_ELEM_HPP
# define BOOST_PREPROCESSOR_TUPLE_ELEM_HPP
#
# include <boost/preprocessor/config/limits.hpp>
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/facilities/expand.hpp>
# include <boost/preprocessor/facilities/overload.hpp>
# include <boost/preprocessor/tuple/rem.hpp>
# include <boost/preprocessor/variadic/elem.hpp>
# include <boost/preprocessor/tuple/detail/is_single_return.hpp>
#
# if BOOST_PP_LIMIT_TUPLE == 64
# include <boost/preprocessor/tuple/limits/elem_64.hpp>
# elif BOOST_PP_LIMIT_TUPLE == 128
# include <boost/preprocessor/tuple/limits/elem_128.hpp>
# elif BOOST_PP_LIMIT_TUPLE == 256
# include <boost/preprocessor/tuple/limits/elem_256.hpp>
# if BOOST_PP_VARIADICS
# if BOOST_PP_VARIADICS_MSVC
# define BOOST_PP_TUPLE_ELEM(...) BOOST_PP_TUPLE_ELEM_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_ELEM_O_, __VA_ARGS__), (__VA_ARGS__))
# define BOOST_PP_TUPLE_ELEM_I(m, args) BOOST_PP_TUPLE_ELEM_II(m, args)
# define BOOST_PP_TUPLE_ELEM_II(m, args) BOOST_PP_CAT(m ## args,)
/*
Use BOOST_PP_REM_CAT if it is a single element tuple ( which might be empty )
else use BOOST_PP_REM. This fixes a VC++ problem with an empty tuple and BOOST_PP_TUPLE_ELEM
functionality. See tuple_elem_bug_test.cxx.
*/
# define BOOST_PP_TUPLE_ELEM_O_2(n, tuple) \
BOOST_PP_VARIADIC_ELEM(n, BOOST_PP_EXPAND(BOOST_PP_TUPLE_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,tuple) tuple)) \
/**/
# else
# define BOOST_PP_TUPLE_ELEM(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_ELEM_O_, __VA_ARGS__)(__VA_ARGS__)
# define BOOST_PP_TUPLE_ELEM_O_2(n, tuple) BOOST_PP_VARIADIC_ELEM(n, BOOST_PP_REM tuple)
# endif
# define BOOST_PP_TUPLE_ELEM_O_3(size, n, tuple) BOOST_PP_TUPLE_ELEM_O_2(n, tuple)
# else
# error Incorrect value for the BOOST_PP_LIMIT_TUPLE limit
# endif
# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
# define BOOST_PP_TUPLE_ELEM(size, n, tuple) BOOST_PP_TUPLE_ELEM_I(BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM_, n), BOOST_PP_CAT(BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM_E_, size), tuple))
# define BOOST_PP_TUPLE_ELEM_I(m, args) BOOST_PP_TUPLE_ELEM_II(m, args)
# define BOOST_PP_TUPLE_ELEM_II(m, args) BOOST_PP_CAT(m ## args,)
# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
# define BOOST_PP_TUPLE_ELEM(size, n, tuple) BOOST_PP_TUPLE_ELEM_I_OO((size, n, tuple))
# define BOOST_PP_TUPLE_ELEM_I_OO(par) BOOST_PP_TUPLE_ELEM_I ## par
# define BOOST_PP_TUPLE_ELEM_I(size, n, tuple) BOOST_PP_TUPLE_ELEM_II((n, BOOST_PP_TUPLE_ELEM_E_ ## size ## tuple))
# define BOOST_PP_TUPLE_ELEM_II(par) BOOST_PP_TUPLE_ELEM_III_OO(par)
# define BOOST_PP_TUPLE_ELEM_III_OO(par) BOOST_PP_TUPLE_ELEM_III ## par
# define BOOST_PP_TUPLE_ELEM_III(n, etuple) BOOST_PP_TUPLE_ELEM_ ## n ## etuple
# else
# define BOOST_PP_TUPLE_ELEM(size, n, tuple) BOOST_PP_TUPLE_ELEM_I(BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM_, n) BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM_E_, size) tuple)
# define BOOST_PP_TUPLE_ELEM_I(x) x
# endif
#
# include <boost/preprocessor/config/limits.hpp>
#
# if BOOST_PP_LIMIT_TUPLE == 64
# include <boost/preprocessor/tuple/limits/elem_64.hpp>
# elif BOOST_PP_LIMIT_TUPLE == 128
# include <boost/preprocessor/tuple/limits/elem_64.hpp>
# include <boost/preprocessor/tuple/limits/elem_128.hpp>
# elif BOOST_PP_LIMIT_TUPLE == 256
# include <boost/preprocessor/tuple/limits/elem_64.hpp>
# include <boost/preprocessor/tuple/limits/elem_128.hpp>
# include <boost/preprocessor/tuple/limits/elem_256.hpp>
# else
# error Incorrect value for the BOOST_PP_LIMIT_TUPLE limit
# endif
#
# endif
#
# /* directly used elsewhere in Boost... */
#
# define BOOST_PP_TUPLE_ELEM_1_0(a) a
#
# define BOOST_PP_TUPLE_ELEM_2_0(a, b) a
# define BOOST_PP_TUPLE_ELEM_2_1(a, b) b
#
# define BOOST_PP_TUPLE_ELEM_3_0(a, b, c) a
# define BOOST_PP_TUPLE_ELEM_3_1(a, b, c) b
# define BOOST_PP_TUPLE_ELEM_3_2(a, b, c) c
#
# endif