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Make compiler attributes more portable.

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This commit is contained in:
Grant Paul 2016-11-15 15:52:45 -08:00 committed by Grant Paul
parent 73159fa205
commit 133e407ed6
1 changed files with 83 additions and 76 deletions
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159
Libraries/ext/Headers/ext/optional
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@ -168,6 +168,14 @@ namespace std { namespace experimental { inline namespace fundamentals_v1 {
#endif
#endif
#if defined(__clang__) || defined(__GNUC__)
#define _EXT_ALWAYS_INLINE __attribute__ ((__always_inline__))
#define _EXT_DEFAULT_VISIBILITY __attribute__ ((__visibility__("default")))
#else
#define _EXT_ALWAYS_INLINE
#define _EXT_DEFAULT_VISIBILITY
#endif
namespace ext {
template<typename, typename _Tp> struct __select_2nd { typedef _Tp type; };
@ -238,8 +246,7 @@ struct __is_swappable
template <bool, class _Tp>
struct __is_nothrow_swappable_imp
: public std::integral_constant<bool, noexcept(swap(std::declval<_Tp&>(),
std::declval<_Tp&>()))>
: public std::true_type
{
};
@ -299,18 +306,18 @@ protected:
};
bool __engaged_ = false;
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
~__optional_storage()
{
if (__engaged_)
__val_.~value_type();
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr __optional_storage() noexcept
: __null_state_('\0') {}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
__optional_storage(const __optional_storage& __x)
: __engaged_(__x.__engaged_)
{
@ -318,7 +325,7 @@ protected:
::new(std::addressof(__val_)) value_type(__x.__val_);
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
__optional_storage(__optional_storage&& __x)
noexcept(std::is_nothrow_move_constructible<value_type>::value)
: __engaged_(__x.__engaged_)
@ -327,18 +334,18 @@ protected:
::new(std::addressof(__val_)) value_type(std::move(__x.__val_));
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr __optional_storage(const value_type& __v)
: __val_(__v),
__engaged_(true) {}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr __optional_storage(value_type&& __v)
: __val_(std::move(__v)),
__engaged_(true) {}
template <class... _Args>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
explicit __optional_storage(in_place_t, _Args&&... __args)
: __val_(std::forward<_Args>(__args)...),
@ -357,11 +364,11 @@ protected:
};
bool __engaged_ = false;
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr __optional_storage() noexcept
: __null_state_('\0') {}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
__optional_storage(const __optional_storage& __x)
: __engaged_(__x.__engaged_)
{
@ -369,7 +376,7 @@ protected:
::new(std::addressof(__val_)) value_type(__x.__val_);
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
__optional_storage(__optional_storage&& __x)
noexcept(std::is_nothrow_move_constructible<value_type>::value)
: __engaged_(__x.__engaged_)
@ -378,18 +385,18 @@ protected:
::new(std::addressof(__val_)) value_type(std::move(__x.__val_));
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr __optional_storage(const value_type& __v)
: __val_(__v),
__engaged_(true) {}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr __optional_storage(value_type&& __v)
: __val_(std::move(__v)),
__engaged_(true) {}
template <class... _Args>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
explicit __optional_storage(in_place_t, _Args&&... __args)
: __val_(std::forward<_Args>(__args)...),
@ -415,14 +422,14 @@ public:
static_assert(std::is_nothrow_destructible<value_type>::value,
"Instantiation of optional with an object type that is not noexcept destructible is undefined behavior.");
__attribute__ ((__always_inline__)) constexpr optional() noexcept {}
__attribute__ ((__always_inline__)) optional(const optional&) = default;
__attribute__ ((__always_inline__)) optional(optional&&) = default;
__attribute__ ((__always_inline__)) ~optional() = default;
__attribute__ ((__always_inline__)) constexpr optional(nullopt_t) noexcept {}
__attribute__ ((__always_inline__)) constexpr optional(const value_type& __v)
_EXT_ALWAYS_INLINE constexpr optional() noexcept {}
_EXT_ALWAYS_INLINE optional(const optional&) = default;
_EXT_ALWAYS_INLINE optional(optional&&) = default;
_EXT_ALWAYS_INLINE ~optional() = default;
_EXT_ALWAYS_INLINE constexpr optional(nullopt_t) noexcept {}
_EXT_ALWAYS_INLINE constexpr optional(const value_type& __v)
: __base(__v) {}
__attribute__ ((__always_inline__)) constexpr optional(value_type&& __v)
_EXT_ALWAYS_INLINE constexpr optional(value_type&& __v)
: __base(std::move(__v)) {}
template <class... _Args,
@ -431,7 +438,7 @@ public:
std::is_constructible<value_type, _Args...>::value
>::type
>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
explicit optional(in_place_t, _Args&&... __args)
: __base(in_place, std::forward<_Args>(__args)...) {}
@ -442,12 +449,12 @@ public:
std::is_constructible<value_type, std::initializer_list<_Up>&, _Args...>::value
>::type
>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
explicit optional(in_place_t, std::initializer_list<_Up> __il, _Args&&... __args)
: __base(in_place, __il, std::forward<_Args>(__args)...) {}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
optional& operator=(nullopt_t) noexcept
{
if (this->__engaged_)
@ -458,7 +465,7 @@ public:
return *this;
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
optional&
operator=(const optional& __opt)
{
@ -478,7 +485,7 @@ public:
return *this;
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
optional&
operator=(optional&& __opt)
noexcept(std::is_nothrow_move_assignable<value_type>::value &&
@ -508,7 +515,7 @@ public:
std::is_assignable<value_type&, _Up>::value
>::type
>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
optional&
operator=(_Up&& __v)
{
@ -528,7 +535,7 @@ public:
std::is_constructible<value_type, _Args...>::value
>::type
>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
void
emplace(_Args&&... __args)
{
@ -543,7 +550,7 @@ public:
std::is_constructible<value_type, std::initializer_list<_Up>&, _Args...>::value
>::type
>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
void
emplace(std::initializer_list<_Up> __il, _Args&&... __args)
{
@ -552,7 +559,7 @@ public:
this->__engaged_ = true;
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
void
swap(optional& __opt)
noexcept(std::is_nothrow_move_constructible<value_type>::value &&
@ -580,7 +587,7 @@ public:
}
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
value_type const*
operator->() const
@ -589,7 +596,7 @@ public:
return __operator_arrow(__has_operator_addressof<value_type>{});
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
value_type*
operator->()
{
@ -597,7 +604,7 @@ public:
return std::addressof(this->__val_);
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
const value_type&
operator*() const
@ -606,7 +613,7 @@ public:
return this->__val_;
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
value_type&
operator*()
{
@ -614,10 +621,10 @@ public:
return this->__val_;
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr explicit operator bool() const noexcept {return this->__engaged_;}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr value_type const& value() const
{
return (!this->__engaged_) ?
@ -629,7 +636,7 @@ public:
this->__val_;
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
value_type& value()
{
return (!this->__engaged_) ?
@ -642,7 +649,7 @@ public:
}
template <class _Up>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr value_type value_or(_Up&& __v) const&
{
static_assert(std::is_copy_constructible<value_type>::value,
@ -654,7 +661,7 @@ public:
}
template <class _Up>
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
value_type value_or(_Up&& __v) &&
{
static_assert(std::is_move_constructible<value_type>::value,
@ -666,14 +673,14 @@ public:
}
private:
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
value_type const*
__operator_arrow(std::true_type) const
{
return std::addressof(this->__val_);
}
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
constexpr
value_type const*
__operator_arrow(std::false_type) const
@ -684,7 +691,7 @@ private:
// Comparisons between optionals
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator==(const optional<_Tp>& __x, const optional<_Tp>& __y)
@ -697,7 +704,7 @@ operator==(const optional<_Tp>& __x, const optional<_Tp>& __y)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator!=(const optional<_Tp>& __x, const optional<_Tp>& __y)
@ -706,7 +713,7 @@ operator!=(const optional<_Tp>& __x, const optional<_Tp>& __y)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<(const optional<_Tp>& __x, const optional<_Tp>& __y)
@ -719,7 +726,7 @@ operator<(const optional<_Tp>& __x, const optional<_Tp>& __y)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>(const optional<_Tp>& __x, const optional<_Tp>& __y)
@ -728,7 +735,7 @@ operator>(const optional<_Tp>& __x, const optional<_Tp>& __y)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<=(const optional<_Tp>& __x, const optional<_Tp>& __y)
@ -737,7 +744,7 @@ operator<=(const optional<_Tp>& __x, const optional<_Tp>& __y)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>=(const optional<_Tp>& __x, const optional<_Tp>& __y)
@ -748,7 +755,7 @@ operator>=(const optional<_Tp>& __x, const optional<_Tp>& __y)
// Comparisons with nullopt
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator==(const optional<_Tp>& __x, nullopt_t) noexcept
@ -757,7 +764,7 @@ operator==(const optional<_Tp>& __x, nullopt_t) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator==(nullopt_t, const optional<_Tp>& __x) noexcept
@ -766,7 +773,7 @@ operator==(nullopt_t, const optional<_Tp>& __x) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator!=(const optional<_Tp>& __x, nullopt_t) noexcept
@ -775,7 +782,7 @@ operator!=(const optional<_Tp>& __x, nullopt_t) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator!=(nullopt_t, const optional<_Tp>& __x) noexcept
@ -784,7 +791,7 @@ operator!=(nullopt_t, const optional<_Tp>& __x) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<(const optional<_Tp>&, nullopt_t) noexcept
@ -793,7 +800,7 @@ operator<(const optional<_Tp>&, nullopt_t) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<(nullopt_t, const optional<_Tp>& __x) noexcept
@ -802,7 +809,7 @@ operator<(nullopt_t, const optional<_Tp>& __x) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<=(const optional<_Tp>& __x, nullopt_t) noexcept
@ -811,7 +818,7 @@ operator<=(const optional<_Tp>& __x, nullopt_t) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<=(nullopt_t, const optional<_Tp>& __x) noexcept
@ -820,7 +827,7 @@ operator<=(nullopt_t, const optional<_Tp>& __x) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>(const optional<_Tp>& __x, nullopt_t) noexcept
@ -829,7 +836,7 @@ operator>(const optional<_Tp>& __x, nullopt_t) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>(nullopt_t, const optional<_Tp>& __x) noexcept
@ -838,7 +845,7 @@ operator>(nullopt_t, const optional<_Tp>& __x) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>=(const optional<_Tp>&, nullopt_t) noexcept
@ -847,7 +854,7 @@ operator>=(const optional<_Tp>&, nullopt_t) noexcept
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>=(nullopt_t, const optional<_Tp>& __x) noexcept
@ -857,7 +864,7 @@ operator>=(nullopt_t, const optional<_Tp>& __x) noexcept
// Comparisons with T
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator==(const optional<_Tp>& __x, const _Tp& __v)
@ -866,7 +873,7 @@ operator==(const optional<_Tp>& __x, const _Tp& __v)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator==(const _Tp& __v, const optional<_Tp>& __x)
@ -875,7 +882,7 @@ operator==(const _Tp& __v, const optional<_Tp>& __x)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator!=(const optional<_Tp>& __x, const _Tp& __v)
@ -884,7 +891,7 @@ operator!=(const optional<_Tp>& __x, const _Tp& __v)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator!=(const _Tp& __v, const optional<_Tp>& __x)
@ -893,7 +900,7 @@ operator!=(const _Tp& __v, const optional<_Tp>& __x)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<(const optional<_Tp>& __x, const _Tp& __v)
@ -902,7 +909,7 @@ operator<(const optional<_Tp>& __x, const _Tp& __v)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<(const _Tp& __v, const optional<_Tp>& __x)
@ -911,7 +918,7 @@ operator<(const _Tp& __v, const optional<_Tp>& __x)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<=(const optional<_Tp>& __x, const _Tp& __v)
@ -920,7 +927,7 @@ operator<=(const optional<_Tp>& __x, const _Tp& __v)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator<=(const _Tp& __v, const optional<_Tp>& __x)
@ -929,7 +936,7 @@ operator<=(const _Tp& __v, const optional<_Tp>& __x)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>(const optional<_Tp>& __x, const _Tp& __v)
@ -938,7 +945,7 @@ operator>(const optional<_Tp>& __x, const _Tp& __v)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>(const _Tp& __v, const optional<_Tp>& __x)
@ -947,7 +954,7 @@ operator>(const _Tp& __v, const optional<_Tp>& __x)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>=(const optional<_Tp>& __x, const _Tp& __v)
@ -956,7 +963,7 @@ operator>=(const optional<_Tp>& __x, const _Tp& __v)
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
bool
operator>=(const _Tp& __v, const optional<_Tp>& __x)
@ -966,7 +973,7 @@ operator>=(const _Tp& __v, const optional<_Tp>& __x)
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
void
swap(optional<_Tp>& __x, optional<_Tp>& __y) noexcept(noexcept(__x.swap(__y)))
{
@ -974,7 +981,7 @@ swap(optional<_Tp>& __x, optional<_Tp>& __y) noexcept(noexcept(__x.swap(__y)))
}
template <class _Tp>
inline __attribute__ ((__always_inline__))
inline _EXT_ALWAYS_INLINE
constexpr
optional<typename std::decay<_Tp>::type>
make_optional(_Tp&& __v)
@ -987,12 +994,12 @@ make_optional(_Tp&& __v)
namespace std {
template <class _Tp>
struct __attribute__ ((__visibility__("default"))) hash<ext::optional<_Tp> >
struct _EXT_DEFAULT_VISIBILITY hash<ext::optional<_Tp> >
{
typedef ext::optional<_Tp> argument_type;
typedef size_t result_type;
__attribute__ ((__always_inline__))
_EXT_ALWAYS_INLINE
result_type operator()(const argument_type& __opt) const noexcept
{
return static_cast<bool>(__opt) ? hash<_Tp>()(*__opt) : 0;