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GCC related fixes and simplifications

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This commit is contained in:
Antony Polukhin
2017-10-20 14:26:07 +03:00
parent 8031f575fe
commit 72b69d3288
14 changed files with 196 additions and 196 deletions
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15
misc/generate_cpp17.py
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@@ -35,7 +35,6 @@ PROLOGUE = """// Copyright (c) 2016-2017 Antony Polukhin
#include <boost/pfr/detail/sequence_tuple.hpp>
#include <boost/pfr/detail/fields_count.hpp>
#include <boost/pfr/detail/lr_value.hpp>
namespace boost { namespace pfr { namespace detail {
@@ -45,19 +44,19 @@ constexpr auto make_tuple_of_references(Args&&... args) noexcept {
}
template <class T>
constexpr auto tie_as_tuple(T&& /*val*/, size_t_<0>) noexcept {
constexpr auto tie_as_tuple(T& /*val*/, size_t_<0>) noexcept {
return sequence_tuple::tuple<>{};
}
template <class T>
constexpr auto tie_as_tuple(lvalue_t<T> val, size_t_<1>, std::enable_if_t<std::is_class< std::remove_cv_t<T> >::value>* = 0) noexcept {
constexpr auto tie_as_tuple(T& val, size_t_<1>, std::enable_if_t<std::is_class< std::remove_cv_t<T> >::value>* = 0) noexcept {
auto& [a] = val;
return ::boost::pfr::detail::make_tuple_of_references(a);
}
template <class T>
constexpr auto tie_as_tuple(lvalue_t<T> val, size_t_<1>, std::enable_if_t<!std::is_class< std::remove_cv_t<T> >::value>* = 0) noexcept {
constexpr auto tie_as_tuple(T& val, size_t_<1>, std::enable_if_t<!std::is_class< std::remove_cv_t<T> >::value>* = 0) noexcept {
return ::boost::pfr::detail::make_tuple_of_references( val );
}
@@ -68,7 +67,7 @@ EPILOGUE = """
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template <class T>
constexpr auto tie_as_tuple(lvalue_t<T> val) noexcept {
constexpr auto tie_as_tuple(T& val) noexcept {
typedef size_t_<fields_count<T>()> fields_count_tag;
return boost::pfr::detail::tie_as_tuple(val, fields_count_tag{});
}
@@ -85,7 +84,7 @@ generate_sfinae_attempts = False
if generate_sfinae_attempts:
print """
template <class T, std::size_t I>
constexpr auto tie_as_tuple(lvalue_t<T> val, size_t_<I>) noexcept {
constexpr auto tie_as_tuple(T& val, size_t_<I>) noexcept {
return tie_as_tuple(val, size_t_<I - 1>{});
}
"""
@@ -106,7 +105,7 @@ for i in xrange(1, funcs_count):
indexes += ascii_letters[i % max_args_on_a_line]
print "template <class T>"
print "constexpr auto tie_as_tuple(T&& val, size_t_<" + str(i + 1) + ">) noexcept {"
print "constexpr auto tie_as_tuple(T& val, size_t_<" + str(i + 1) + ">) noexcept {"
if i < max_args_on_a_line:
print " auto& [" + indexes.strip() + "] = val;"
print " return ::boost::pfr::detail::make_tuple_of_references(" + indexes.strip() + ");"
@@ -123,7 +122,7 @@ for i in xrange(1, funcs_count):
if generate_sfinae_attempts:
print "template <class T>"
print "constexpr auto tie_as_tuple(T&& val, size_t_<" + str(i + 1) + "> v) noexcept"
print "constexpr auto tie_as_tuple(T& val, size_t_<" + str(i + 1) + "> v) noexcept"
print " ->decltype( ::boost::pfr::detail::tie_as_tuple0(std::forward<T>(val), v) )"
print "{ return ::boost::pfr::detail::tie_as_tuple0(std::forward<T>(val), v); }\n"