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Diffstat (limited to 'boost/hana/detail/struct_macros.erb.hpp')
-rw-r--r-- | boost/hana/detail/struct_macros.erb.hpp | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/boost/hana/detail/struct_macros.erb.hpp b/boost/hana/detail/struct_macros.erb.hpp deleted file mode 100644 index 2cdc419593..0000000000 --- a/boost/hana/detail/struct_macros.erb.hpp +++ /dev/null @@ -1,185 +0,0 @@ -<%# - This is an ERB [1] template file used to generate the - <boost/hana/detail/struct_macros.hpp> header. The maximum - number of members that can be handled by the macros can - be controlled with the 'MAX_NUMBER_OF_MEMBERS' variable, - which can be set when calling ERB to generate the header: - - export MAX_NUMBER_OF_MEMBERS=55; erb struct_macros.erb.hpp - - 'MAX_NUMBER_OF_MEMBERS' must be <= 62, otherwise an error is triggered. - In case 'MAX_NUMBER_OF_MEMBERS' is not specified, it defaults to 40. - - [1]: http://en.wikipedia.org/wiki/ERuby -%> - -<% - MAX_NUMBER_OF_MEMBERS = (ENV["MAX_NUMBER_OF_MEMBERS"] || 40).to_i - raise "MAX_NUMBER_OF_MEMBERS must be <= 62" if MAX_NUMBER_OF_MEMBERS > 62 -%> - -/*! -@file -Defines the `BOOST_HANA_DEFINE_STRUCT`, `BOOST_HANA_ADAPT_STRUCT`, and -`BOOST_HANA_ADAPT_ADT` macros. - -@copyright Louis Dionne 2013-2017 -Distributed under the Boost Software License, Version 1.0. -(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) - */ - -////////////////////////////////////////////////////////////////////////////// -// THIS FILE IS GENERATED FROM THE <boost/hana/detail/struct_macros.erb.hpp> -// ERB TEMPLATE. DO NOT EDIT THIS FILE DIRECTLY. -// -// THE ERB TEMPLATE CONTAINS INFORMATION ABOUT HOW TO REGENERATE THIS FILE. -////////////////////////////////////////////////////////////////////////////// - -#ifndef BOOST_HANA_DETAIL_STRUCT_MACROS_HPP -#define BOOST_HANA_DETAIL_STRUCT_MACROS_HPP - -#include <boost/hana/config.hpp> -#include <boost/hana/detail/preprocessor.hpp> -#include <boost/hana/pair.hpp> -#include <boost/hana/string.hpp> -#include <boost/hana/tuple.hpp> - -#include <cstddef> -#include <utility> - - -BOOST_HANA_NAMESPACE_BEGIN namespace struct_detail { - template <typename Memptr, Memptr ptr> - struct member_ptr { - template <typename T> - constexpr decltype(auto) operator()(T&& t) const - { return static_cast<T&&>(t).*ptr; } - }; - - constexpr std::size_t strlen(char const* s) { - std::size_t n = 0; - while (*s++ != '\0') - ++n; - return n; - } - - template <std::size_t n, typename Names, std::size_t ...i> - constexpr auto prepare_member_name_impl(std::index_sequence<i...>) { - return hana::string_c<hana::at_c<n>(Names::get())[i]...>; - } - - template <std::size_t n, typename Names> - constexpr auto prepare_member_name() { - constexpr std::size_t len = strlen(hana::at_c<n>(Names::get())); - return prepare_member_name_impl<n, Names>(std::make_index_sequence<len>{}); - } -} BOOST_HANA_NAMESPACE_END - -////////////////////////////////////////////////////////////////////////////// -// BOOST_HANA_ADAPT_STRUCT -////////////////////////////////////////////////////////////////////////////// -template <typename ...> -struct BOOST_HANA_ADAPT_STRUCT_must_be_called_in_the_global_namespace; - -#define BOOST_HANA_ADAPT_STRUCT(...) \ - template <> \ - struct BOOST_HANA_ADAPT_STRUCT_must_be_called_in_the_global_namespace<>; \ - BOOST_HANA_ADAPT_STRUCT_IMPL(BOOST_HANA_PP_NARG(__VA_ARGS__), __VA_ARGS__)\ - static_assert(true, "force the usage of a trailing semicolon") \ -/**/ - -#define BOOST_HANA_ADAPT_STRUCT_IMPL(N, ...) \ - BOOST_HANA_PP_CONCAT(BOOST_HANA_ADAPT_STRUCT_IMPL_, N)(__VA_ARGS__) - -<% (0..MAX_NUMBER_OF_MEMBERS).each do |n| %> -#define BOOST_HANA_ADAPT_STRUCT_IMPL_<%= n+1 %>(TYPE <%= (1..n).map { |i| ", m#{i}" }.join %>) \ - namespace boost { namespace hana { \ - template <> \ - struct accessors_impl<TYPE> { \ - static constexpr auto apply() { \ - struct member_names { \ - static constexpr auto get() { \ - return ::boost::hana::make_tuple( \ - <%= (1..n).map { |i| "BOOST_HANA_PP_STRINGIZE(m#{i})" }.join(', ') %> \ - ); \ - } \ - }; \ - return ::boost::hana::make_tuple( \ - <%= (1..n).map { |i| "::boost::hana::make_pair(::boost::hana::struct_detail::prepare_member_name<#{i-1}, member_names>(), ::boost::hana::struct_detail::member_ptr<decltype(&TYPE::m#{i}), &TYPE::m#{i}>{})" }.join(', ') %>\ - ); \ - } \ - }; \ - }} \ -/**/ -<% end %> - -////////////////////////////////////////////////////////////////////////////// -// BOOST_HANA_ADAPT_ADT -////////////////////////////////////////////////////////////////////////////// -template <typename ...> -struct BOOST_HANA_ADAPT_ADT_must_be_called_in_the_global_namespace; - -#define BOOST_HANA_ADAPT_ADT(...) \ - template <> \ - struct BOOST_HANA_ADAPT_ADT_must_be_called_in_the_global_namespace<>; \ - BOOST_HANA_ADAPT_ADT_IMPL(BOOST_HANA_PP_NARG(__VA_ARGS__), __VA_ARGS__) \ - static_assert(true, "force the usage of a trailing semicolon") \ -/**/ - -#define BOOST_HANA_ADAPT_ADT_IMPL(N, ...) \ - BOOST_HANA_PP_CONCAT(BOOST_HANA_ADAPT_ADT_IMPL_, N)(__VA_ARGS__) - -<% (0..MAX_NUMBER_OF_MEMBERS).each do |n| %> -#define BOOST_HANA_ADAPT_ADT_IMPL_<%= n+1 %>(TYPE <%= (1..n).map { |i| ", m#{i}" }.join %>) \ - namespace boost { namespace hana { \ - template <> \ - struct accessors_impl<TYPE> { \ - template <typename ...> \ - static constexpr auto apply() { \ - struct member_names { \ - static constexpr auto get() { \ - return ::boost::hana::make_tuple( \ - <%= (1..n).map { |i| "BOOST_HANA_PP_STRINGIZE(BOOST_HANA_PP_FRONT m#{i})" }.join(', ') %>\ - ); \ - } \ - }; \ - return ::boost::hana::make_tuple( \ - <%= (1..n).map { |i| "::boost::hana::make_pair(::boost::hana::struct_detail::prepare_member_name<#{i-1}, member_names>(), BOOST_HANA_PP_DROP_FRONT m#{i})" }.join(', ') %>\ - ); \ - } \ - }; \ - }} \ -/**/ -<% end %> - -////////////////////////////////////////////////////////////////////////////// -// BOOST_HANA_DEFINE_STRUCT -////////////////////////////////////////////////////////////////////////////// -#define BOOST_HANA_DEFINE_STRUCT(...) \ - BOOST_HANA_DEFINE_STRUCT_IMPL(BOOST_HANA_PP_NARG(__VA_ARGS__), __VA_ARGS__) - -#define BOOST_HANA_DEFINE_STRUCT_IMPL(N, ...) \ - BOOST_HANA_PP_CONCAT(BOOST_HANA_DEFINE_STRUCT_IMPL_, N)(__VA_ARGS__) - -<% (0..MAX_NUMBER_OF_MEMBERS).each do |n| %> -#define BOOST_HANA_DEFINE_STRUCT_IMPL_<%= n+1 %>(TYPE <%= (1..n).map { |i| ", m#{i}" }.join %>) \ - <%= (1..n).map { |i| "BOOST_HANA_PP_DROP_BACK m#{i} BOOST_HANA_PP_BACK m#{i};" }.join(' ') %> \ - \ - struct hana_accessors_impl { \ - static constexpr auto apply() { \ - struct member_names { \ - static constexpr auto get() { \ - return ::boost::hana::make_tuple( \ - <%= (1..n).map { |i| "BOOST_HANA_PP_STRINGIZE(BOOST_HANA_PP_BACK m#{i})" }.join(', ') %>\ - ); \ - } \ - }; \ - return ::boost::hana::make_tuple( \ - <%= (1..n).map { |i| "::boost::hana::make_pair(::boost::hana::struct_detail::prepare_member_name<#{i-1}, member_names>(), ::boost::hana::struct_detail::member_ptr<decltype(&TYPE::BOOST_HANA_PP_BACK m#{i}), &TYPE::BOOST_HANA_PP_BACK m#{i}>{})" }.join(', ') %>\ - ); \ - } \ - } \ -/**/ -<% end %> - -#endif // !BOOST_HANA_DETAIL_STRUCT_MACROS_HPP |