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Use boost::to_pointer instead of pointer<..>::get

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To get C++20 style recursive calls to `operator->`.
This commit is contained in:
Daniel James
2018-01-26 18:59:11 +00:00
parent ca9e9584ba
commit ddf302fcc2
1 changed files with 11 additions and 25 deletions
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34
include/boost/unordered/detail/implementation.hpp
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@@ -14,6 +14,7 @@
#include <boost/assert.hpp>
#include <boost/core/no_exceptions_support.hpp>
#include <boost/core/pointer_traits.hpp>
#include <boost/detail/select_type.hpp>
#include <boost/limits.hpp>
#include <boost/move/move.hpp>
@@ -553,21 +554,6 @@ namespace boost {
{
template <typename T> convert_from_anything(T const&);
};
// Get a pointer from a smart pointer, a bit simpler than pointer_traits
// as we already know the pointer type that we want.
template <typename T> struct pointer
{
template <typename Ptr> static T* get(Ptr const& x)
{
return static_cast<T*>(x.operator->());
}
template <typename T2> static T* get(T2* x)
{
return static_cast<T*>(x);
}
};
}
}
}
@@ -2002,7 +1988,7 @@ namespace boost {
template <typename Alloc> node_constructor<Alloc>::~node_constructor()
{
if (node_) {
boost::unordered::detail::func::destroy(pointer<node>::get(node_));
boost::unordered::detail::func::destroy(boost::to_pointer(node_));
node_allocator_traits::deallocate(alloc_, node_, 1);
}
}
@@ -2011,7 +1997,7 @@ namespace boost {
{
BOOST_ASSERT(!node_);
node_ = node_allocator_traits::allocate(alloc_, 1);
new (pointer<void>::get(node_)) node();
new ((void*) boost::to_pointer(node_)) node();
}
template <typename NodeAlloc> struct node_tmp
@@ -2042,7 +2028,7 @@ namespace boost {
if (node_) {
BOOST_UNORDERED_CALL_DESTROY(
node_allocator_traits, alloc_, node_->value_ptr());
boost::unordered::detail::func::destroy(pointer<node>::get(node_));
boost::unordered::detail::func::destroy(boost::to_pointer(node_));
node_allocator_traits::deallocate(alloc_, node_, 1);
}
}
@@ -2574,7 +2560,7 @@ namespace boost {
BOOST_UNORDERED_CALL_DESTROY(
node_allocator_traits, constructor_.alloc_, p->value_ptr());
boost::unordered::detail::func::destroy(pointer<node>::get(p));
boost::unordered::detail::func::destroy(boost::to_pointer(p));
node_allocator_traits::deallocate(constructor_.alloc_, p, 1);
}
}
@@ -3234,9 +3220,9 @@ namespace boost {
bucket_pointer end =
buckets_ + static_cast<std::ptrdiff_t>(new_count);
for (bucket_pointer i = buckets_; i != end; ++i) {
new (pointer<void>::get(i)) bucket();
new ((void*) boost::to_pointer(i)) bucket();
}
new (pointer<void>::get(end)) bucket(dummy_node);
new ((void*) boost::to_pointer(end)) bucket(dummy_node);
}
////////////////////////////////////////////////////////////////////////
@@ -3364,7 +3350,7 @@ namespace boost {
{
BOOST_UNORDERED_CALL_DESTROY(
node_allocator_traits, node_alloc(), n->value_ptr());
boost::unordered::detail::func::destroy(pointer<node>::get(n));
boost::unordered::detail::func::destroy(boost::to_pointer(n));
node_allocator_traits::deallocate(node_alloc(), n, 1);
}
@@ -3376,7 +3362,7 @@ namespace boost {
if (bucket::extra_node) {
node_pointer next = next_node(n);
boost::unordered::detail::func::destroy(pointer<node>::get(n));
boost::unordered::detail::func::destroy(boost::to_pointer(n));
node_allocator_traits::deallocate(node_alloc(), n, 1);
n = next;
}
@@ -3398,7 +3384,7 @@ namespace boost {
{
bucket_pointer end = get_bucket_pointer(bucket_count_ + 1);
for (bucket_pointer it = buckets_; it != end; ++it) {
boost::unordered::detail::func::destroy(pointer<bucket>::get(it));
boost::unordered::detail::func::destroy(boost::to_pointer(it));
}
bucket_allocator_traits::deallocate(