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Add C++17 constexpr to debug and profile mode arrays

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* include/debug/array (array): Add _GLIBCXX17_CONSTEXPR.
	* include/profile/array (array): Likewise.
	(array::swap): Fix exception specification for zero-sized arrays.

From-SVN: r239705
This commit is contained in:
Jonathan Wakely 2016-08-23 16:54:57 +01:00 committed by Jonathan Wakely
parent 027f10047b
commit e90a801017
3 changed files with 48 additions and 44 deletions
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4
libstdc++-v3/ChangeLog
View File

@ -1,5 +1,9 @@
2016-08-23 Jonathan Wakely <jwakely@redhat.com>
* include/debug/array (array): Add _GLIBCXX17_CONSTEXPR.
* include/profile/array (array): Likewise.
(array::swap): Fix exception specification for zero-sized arrays.
PR libstdc++/77334
* include/bits/stl_tree.h (_Rb_tree::_M_move_assign): New functions.
(_Rb_tree::operator=(_Rb_tree&&)): Dispatch to _M_move_assign.

52
libstdc++-v3/include/debug/array
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@ -90,66 +90,66 @@ namespace __debug
{ std::swap_ranges(begin(), end(), __other.begin()); }
// Iterators.
iterator
_GLIBCXX17_CONSTEXPR iterator
begin() noexcept
{ return iterator(data()); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
begin() const noexcept
{ return const_iterator(data()); }
iterator
_GLIBCXX17_CONSTEXPR iterator
end() noexcept
{ return iterator(data() + _Nm); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
end() const noexcept
{ return const_iterator(data() + _Nm); }
reverse_iterator
_GLIBCXX17_CONSTEXPR reverse_iterator
rbegin() noexcept
{ return reverse_iterator(end()); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
rbegin() const noexcept
{ return const_reverse_iterator(end()); }
reverse_iterator
_GLIBCXX17_CONSTEXPR reverse_iterator
rend() noexcept
{ return reverse_iterator(begin()); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
rend() const noexcept
{ return const_reverse_iterator(begin()); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
cbegin() const noexcept
{ return const_iterator(data()); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
cend() const noexcept
{ return const_iterator(data() + _Nm); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
crbegin() const noexcept
{ return const_reverse_iterator(end()); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
crend() const noexcept
{ return const_reverse_iterator(begin()); }
// Capacity.
constexpr size_type
constexpr size_type
size() const noexcept { return _Nm; }
constexpr size_type
constexpr size_type
max_size() const noexcept { return _Nm; }
constexpr bool
constexpr bool
empty() const noexcept { return size() == 0; }
// Element access.
reference
_GLIBCXX17_CONSTEXPR reference
operator[](size_type __n) noexcept
{
__glibcxx_check_subscript(__n);
@ -164,7 +164,7 @@ namespace __debug
_AT_Type::_S_ref(_M_elems, 0));
}
reference
_GLIBCXX17_CONSTEXPR reference
at(size_type __n)
{
if (__n >= _Nm)
@ -186,14 +186,14 @@ namespace __debug
_AT_Type::_S_ref(_M_elems, 0));
}
reference
_GLIBCXX17_CONSTEXPR reference
front() noexcept
{
__glibcxx_check_nonempty();
return *begin();
}
constexpr const_reference
constexpr const_reference
front() const noexcept
{
return _Nm ? _AT_Type::_S_ref(_M_elems, 0)
@ -201,14 +201,14 @@ namespace __debug
_AT_Type::_S_ref(_M_elems, 0));
}
reference
_GLIBCXX17_CONSTEXPR reference
back() noexcept
{
__glibcxx_check_nonempty();
return _Nm ? *(end() - 1) : *end();
}
constexpr const_reference
constexpr const_reference
back() const noexcept
{
return _Nm ? _AT_Type::_S_ref(_M_elems, _Nm - 1)
@ -216,18 +216,18 @@ namespace __debug
_AT_Type::_S_ref(_M_elems, 0));
}
pointer
_GLIBCXX17_CONSTEXPR pointer
data() noexcept
{ return _AT_Type::_S_ptr(_M_elems); }
const_pointer
_GLIBCXX17_CONSTEXPR const_pointer
data() const noexcept
{ return _AT_Type::_S_ptr(_M_elems); }
};
// Array comparisons.
template<typename _Tp, std::size_t _Nm>
inline bool
inline bool
operator==(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
{ return std::equal(__one.begin(), __one.end(), __two.begin()); }
@ -239,9 +239,9 @@ namespace __debug
template<typename _Tp, std::size_t _Nm>
inline bool
operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
{
{
return std::lexicographical_compare(__a.begin(), __a.end(),
__b.begin(), __b.end());
__b.begin(), __b.end());
}
template<typename _Tp, std::size_t _Nm>

36
libstdc++-v3/include/profile/array
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@ -65,55 +65,55 @@ namespace __profile
void
swap(array& __other)
noexcept(__is_nothrow_swappable<_Tp>::value)
noexcept(_AT_Type::_Is_nothrow_swappable::value)
{ std::swap_ranges(begin(), end(), __other.begin()); }
// Iterators.
iterator
_GLIBCXX17_CONSTEXPR iterator
begin() noexcept
{ return iterator(data()); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
begin() const noexcept
{ return const_iterator(data()); }
iterator
_GLIBCXX17_CONSTEXPR iterator
end() noexcept
{ return iterator(data() + _Nm); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
end() const noexcept
{ return const_iterator(data() + _Nm); }
reverse_iterator
_GLIBCXX17_CONSTEXPR reverse_iterator
rbegin() noexcept
{ return reverse_iterator(end()); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
rbegin() const noexcept
{ return const_reverse_iterator(end()); }
reverse_iterator
_GLIBCXX17_CONSTEXPR reverse_iterator
rend() noexcept
{ return reverse_iterator(begin()); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
rend() const noexcept
{ return const_reverse_iterator(begin()); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
cbegin() const noexcept
{ return const_iterator(data()); }
const_iterator
_GLIBCXX17_CONSTEXPR const_iterator
cend() const noexcept
{ return const_iterator(data() + _Nm); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
crbegin() const noexcept
{ return const_reverse_iterator(end()); }
const_reverse_iterator
_GLIBCXX17_CONSTEXPR const_reverse_iterator
crend() const noexcept
{ return const_reverse_iterator(begin()); }
@ -136,7 +136,7 @@ namespace __profile
operator[](size_type __n) const noexcept
{ return _AT_Type::_S_ref(_M_elems, __n); }
reference
_GLIBCXX17_CONSTEXPR reference
at(size_type __n)
{
if (__n >= _Nm)
@ -159,7 +159,7 @@ namespace __profile
_AT_Type::_S_ref(_M_elems, 0));
}
reference
_GLIBCXX17_CONSTEXPR reference
front() noexcept
{ return *begin(); }
@ -167,7 +167,7 @@ namespace __profile
front() const noexcept
{ return _AT_Type::_S_ref(_M_elems, 0); }
reference
_GLIBCXX17_CONSTEXPR reference
back() noexcept
{ return _Nm ? *(end() - 1) : *end(); }
@ -178,11 +178,11 @@ namespace __profile
: _AT_Type::_S_ref(_M_elems, 0);
}
pointer
_GLIBCXX17_CONSTEXPR pointer
data() noexcept
{ return _AT_Type::_S_ptr(_M_elems); }
const_pointer
_GLIBCXX17_CONSTEXPR const_pointer
data() const noexcept
{ return _AT_Type::_S_ptr(_M_elems); }
};