diff options
Diffstat (limited to 'contrib/libc++/include/system_error')
| -rw-r--r-- | contrib/libc++/include/system_error | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/contrib/libc++/include/system_error b/contrib/libc++/include/system_error index 134bb32..3257ef9 100644 --- a/contrib/libc++/include/system_error +++ b/contrib/libc++/include/system_error @@ -46,6 +46,12 @@ template <class T> struct is_error_code_enum template <class T> struct is_error_condition_enum : public false_type {}; +template <class _Tp> +constexpr size_t is_error_condition_enum_v = is_error_condition_enum<_Tp>::value; // C++17 + +template <class _Tp> +constexpr size_t is_error_code_enum_v = is_error_code_enum<_Tp>::value; // C++17 + class error_code { public: @@ -213,6 +219,7 @@ bool operator!=(const error_condition& lhs, const error_code& rhs) noexcept; bool operator!=(const error_condition& lhs, const error_condition& rhs) noexcept; template <> struct hash<std::error_code>; +template <> struct hash<std::error_condition>; } // std @@ -233,15 +240,25 @@ _LIBCPP_BEGIN_NAMESPACE_STD // is_error_code_enum template <class _Tp> -struct _LIBCPP_TYPE_VIS_ONLY is_error_code_enum +struct _LIBCPP_TEMPLATE_VIS is_error_code_enum : public false_type {}; +#if _LIBCPP_STD_VER > 14 +template <class _Tp> +constexpr size_t is_error_code_enum_v = is_error_code_enum<_Tp>::value; +#endif + // is_error_condition_enum template <class _Tp> -struct _LIBCPP_TYPE_VIS_ONLY is_error_condition_enum +struct _LIBCPP_TEMPLATE_VIS is_error_condition_enum : public false_type {}; +#if _LIBCPP_STD_VER > 14 +template <class _Tp> +constexpr size_t is_error_condition_enum_v = is_error_condition_enum<_Tp>::value; +#endif + // Some error codes are not present on all platforms, so we provide equivalents // for them: @@ -346,12 +363,12 @@ _LIBCPP_DECLARE_STRONG_ENUM(errc) _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(errc) template <> -struct _LIBCPP_TYPE_VIS_ONLY is_error_condition_enum<errc> +struct _LIBCPP_TEMPLATE_VIS is_error_condition_enum<errc> : true_type { }; #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS template <> -struct _LIBCPP_TYPE_VIS_ONLY is_error_condition_enum<errc::__lx> +struct _LIBCPP_TEMPLATE_VIS is_error_condition_enum<errc::__lx> : true_type { }; #endif @@ -367,7 +384,8 @@ class _LIBCPP_TYPE_VIS error_category public: virtual ~error_category() _NOEXCEPT; -#ifdef _LIBCPP_BUILDING_SYSTEM_ERROR +#if defined(_LIBCPP_BUILDING_SYSTEM_ERROR) && \ + defined(_LIBCPP_DEPRECATED_ABI_EXTERNAL_ERROR_CATEGORY_CONSTRUCTOR) error_category() _NOEXCEPT; #else _LIBCPP_ALWAYS_INLINE @@ -603,7 +621,7 @@ operator!=(const error_condition& __x, const error_condition& __y) _NOEXCEPT {return !(__x == __y);} template <> -struct _LIBCPP_TYPE_VIS_ONLY hash<error_code> +struct _LIBCPP_TEMPLATE_VIS hash<error_code> : public unary_function<error_code, size_t> { _LIBCPP_INLINE_VISIBILITY @@ -613,6 +631,17 @@ struct _LIBCPP_TYPE_VIS_ONLY hash<error_code> } }; +template <> +struct _LIBCPP_TEMPLATE_VIS hash<error_condition> + : public unary_function<error_condition, size_t> +{ + _LIBCPP_INLINE_VISIBILITY + size_t operator()(const error_condition& __ec) const _NOEXCEPT + { + return static_cast<size_t>(__ec.value()); + } +}; + // system_error class _LIBCPP_TYPE_VIS system_error @@ -635,7 +664,8 @@ private: static string __init(const error_code&, string); }; -_LIBCPP_FUNC_VIS void __throw_system_error(int ev, const char* what_arg); +_LIBCPP_NORETURN _LIBCPP_FUNC_VIS +void __throw_system_error(int ev, const char* what_arg); _LIBCPP_END_NAMESPACE_STD |
