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Diffstat (limited to 'data/iphoneos-sdk/v1/exception')
| -rwxr-xr-x | data/iphoneos-sdk/v1/exception | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/exception b/data/iphoneos-sdk/v1/exception new file mode 100755 index 000000000..79bd6ac2a --- /dev/null +++ b/data/iphoneos-sdk/v1/exception @@ -0,0 +1,337 @@ +// -*- C++ -*- +//===-------------------------- exception ---------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_EXCEPTION +#define _LIBCPP_EXCEPTION + +/* + exception synopsis + +namespace std +{ + +class exception +{ +public: + exception() noexcept; + exception(const exception&) noexcept; + exception& operator=(const exception&) noexcept; + virtual ~exception() noexcept; + virtual const char* what() const noexcept; +}; + +class bad_exception + : public exception +{ +public: + bad_exception() noexcept; + bad_exception(const bad_exception&) noexcept; + bad_exception& operator=(const bad_exception&) noexcept; + virtual ~bad_exception() noexcept; + virtual const char* what() const noexcept; +}; + +typedef void (*unexpected_handler)(); +unexpected_handler set_unexpected(unexpected_handler f ) noexcept; +unexpected_handler get_unexpected() noexcept; +[[noreturn]] void unexpected(); + +typedef void (*terminate_handler)(); +terminate_handler set_terminate(terminate_handler f ) noexcept; +terminate_handler get_terminate() noexcept; +[[noreturn]] void terminate() noexcept; + +bool uncaught_exception() noexcept; +int uncaught_exceptions() noexcept; // C++17 + +typedef unspecified exception_ptr; + +exception_ptr current_exception() noexcept; +void rethrow_exception [[noreturn]] (exception_ptr p); +template<class E> exception_ptr make_exception_ptr(E e) noexcept; + +class nested_exception +{ +public: + nested_exception() noexcept; + nested_exception(const nested_exception&) noexcept = default; + nested_exception& operator=(const nested_exception&) noexcept = default; + virtual ~nested_exception() = default; + + // access functions + [[noreturn]] void rethrow_nested() const; + exception_ptr nested_ptr() const noexcept; +}; + +template <class T> [[noreturn]] void throw_with_nested(T&& t); +template <class E> void rethrow_if_nested(const E& e); + +} // std + +*/ + +#include <__config> +#include <cstddef> +#include <cstdlib> +#include <type_traits> + +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) +#include <vcruntime_exception.h> +#endif + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +namespace std // purposefully not using versioning namespace +{ + +#if !defined(_LIBCPP_ABI_MICROSOFT) || defined(_LIBCPP_NO_VCRUNTIME) +class _LIBCPP_EXCEPTION_ABI exception +{ +public: + _LIBCPP_INLINE_VISIBILITY exception() _NOEXCEPT {} + virtual ~exception() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; + +class _LIBCPP_EXCEPTION_ABI bad_exception + : public exception +{ +public: + _LIBCPP_INLINE_VISIBILITY bad_exception() _NOEXCEPT {} + virtual ~bad_exception() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; +#endif // !_LIBCPP_ABI_MICROSOFT || _LIBCPP_NO_VCRUNTIME + +#if _LIBCPP_STD_VER <= 14 \ + || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS) \ + || defined(_LIBCPP_BUILDING_LIBRARY) +typedef void (*unexpected_handler)(); +_LIBCPP_FUNC_VIS unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT; +_LIBCPP_FUNC_VIS unexpected_handler get_unexpected() _NOEXCEPT; +_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void unexpected(); +#endif + +typedef void (*terminate_handler)(); +_LIBCPP_FUNC_VIS terminate_handler set_terminate(terminate_handler) _NOEXCEPT; +_LIBCPP_FUNC_VIS terminate_handler get_terminate() _NOEXCEPT; +_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void terminate() _NOEXCEPT; + +_LIBCPP_FUNC_VIS bool uncaught_exception() _NOEXCEPT; +_LIBCPP_FUNC_VIS _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS int uncaught_exceptions() _NOEXCEPT; + +class _LIBCPP_TYPE_VIS exception_ptr; + +_LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT; +_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr); + +#ifndef _LIBCPP_ABI_MICROSOFT + +class _LIBCPP_TYPE_VIS exception_ptr +{ + void* __ptr_; +public: + _LIBCPP_INLINE_VISIBILITY exception_ptr() _NOEXCEPT : __ptr_() {} + _LIBCPP_INLINE_VISIBILITY exception_ptr(nullptr_t) _NOEXCEPT : __ptr_() {} + + exception_ptr(const exception_ptr&) _NOEXCEPT; + exception_ptr& operator=(const exception_ptr&) _NOEXCEPT; + ~exception_ptr() _NOEXCEPT; + + _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT + {return __ptr_ != nullptr;} + + friend _LIBCPP_INLINE_VISIBILITY + bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT + {return __x.__ptr_ == __y.__ptr_;} + + friend _LIBCPP_INLINE_VISIBILITY + bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT + {return !(__x == __y);} + + friend _LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT; + friend _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr); +}; + +template<class _Ep> +exception_ptr +make_exception_ptr(_Ep __e) _NOEXCEPT +{ +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { + throw __e; + } + catch (...) + { + return current_exception(); + } +#else + ((void)__e); + _VSTD::abort(); +#endif +} + +#else // _LIBCPP_ABI_MICROSOFT + +class _LIBCPP_TYPE_VIS exception_ptr +{ +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wunused-private-field" +#endif + void* __ptr1_; + void* __ptr2_; +#if defined(__clang__) +#pragma clang diagnostic pop +#endif +public: + exception_ptr() _NOEXCEPT; + exception_ptr(nullptr_t) _NOEXCEPT; + exception_ptr(const exception_ptr& __other) _NOEXCEPT; + exception_ptr& operator=(const exception_ptr& __other) _NOEXCEPT; + exception_ptr& operator=(nullptr_t) _NOEXCEPT; + ~exception_ptr() _NOEXCEPT; + _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT; +}; + +_LIBCPP_FUNC_VIS +bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT; + +inline _LIBCPP_INLINE_VISIBILITY +bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT + {return !(__x == __y);} + +_LIBCPP_FUNC_VIS void swap(exception_ptr&, exception_ptr&) _NOEXCEPT; + +_LIBCPP_FUNC_VIS exception_ptr __copy_exception_ptr(void *__except, const void* __ptr); +_LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT; +_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr p); + +// This is a built-in template function which automagically extracts the required +// information. +template <class _E> void *__GetExceptionInfo(_E); + +template<class _Ep> +exception_ptr +make_exception_ptr(_Ep __e) _NOEXCEPT +{ + return __copy_exception_ptr(_VSTD::addressof(__e), __GetExceptionInfo(__e)); +} + +#endif // _LIBCPP_ABI_MICROSOFT +// nested_exception + +class _LIBCPP_EXCEPTION_ABI nested_exception +{ + exception_ptr __ptr_; +public: + nested_exception() _NOEXCEPT; +// nested_exception(const nested_exception&) noexcept = default; +// nested_exception& operator=(const nested_exception&) noexcept = default; + virtual ~nested_exception() _NOEXCEPT; + + // access functions + _LIBCPP_NORETURN void rethrow_nested() const; + _LIBCPP_INLINE_VISIBILITY exception_ptr nested_ptr() const _NOEXCEPT {return __ptr_;} +}; + +template <class _Tp> +struct __nested + : public _Tp, + public nested_exception +{ + _LIBCPP_INLINE_VISIBILITY explicit __nested(const _Tp& __t) : _Tp(__t) {} +}; + +#ifndef _LIBCPP_NO_EXCEPTIONS +template <class _Tp, class _Up, bool> +struct __throw_with_nested; + +template <class _Tp, class _Up> +struct __throw_with_nested<_Tp, _Up, true> { + _LIBCPP_NORETURN static inline _LIBCPP_ALWAYS_INLINE void +#ifndef _LIBCPP_CXX03_LANG + __do_throw(_Tp&& __t) +#else + __do_throw (_Tp& __t) +#endif // _LIBCPP_CXX03_LANG + { + throw __nested<_Up>(_VSTD::forward<_Tp>(__t)); + } +}; + +template <class _Tp, class _Up> +struct __throw_with_nested<_Tp, _Up, false> { + _LIBCPP_NORETURN static inline _LIBCPP_ALWAYS_INLINE void +#ifndef _LIBCPP_CXX03_LANG + __do_throw(_Tp&& __t) +#else + __do_throw (_Tp& __t) +#endif // _LIBCPP_CXX03_LANG + { + throw _VSTD::forward<_Tp>(__t); + } +}; +#endif + +template <class _Tp> +_LIBCPP_NORETURN +void +#ifndef _LIBCPP_CXX03_LANG +throw_with_nested(_Tp&& __t) +#else +throw_with_nested (_Tp& __t) +#endif // _LIBCPP_CXX03_LANG +{ +#ifndef _LIBCPP_NO_EXCEPTIONS + typedef typename decay<_Tp>::type _Up; + static_assert( is_copy_constructible<_Up>::value, "type thrown must be CopyConstructible"); + __throw_with_nested<_Tp, _Up, + is_class<_Up>::value && + !is_base_of<nested_exception, _Up>::value && + !__libcpp_is_final<_Up>::value>:: + __do_throw(_VSTD::forward<_Tp>(__t)); +#else + ((void)__t); + // FIXME: Make this abort +#endif +} + +template <class _From, class _To> +struct __can_dynamic_cast : public _LIBCPP_BOOL_CONSTANT( + is_polymorphic<_From>::value && + (!is_base_of<_To, _From>::value || + is_convertible<const _From*, const _To*>::value)) {}; + +template <class _Ep> +inline _LIBCPP_INLINE_VISIBILITY +void +rethrow_if_nested(const _Ep& __e, + typename enable_if< __can_dynamic_cast<_Ep, nested_exception>::value>::type* = 0) +{ + const nested_exception* __nep = dynamic_cast<const nested_exception*>(_VSTD::addressof(__e)); + if (__nep) + __nep->rethrow_nested(); +} + +template <class _Ep> +inline _LIBCPP_INLINE_VISIBILITY +void +rethrow_if_nested(const _Ep&, + typename enable_if<!__can_dynamic_cast<_Ep, nested_exception>::value>::type* = 0) +{ +} + +} // std + +#endif // _LIBCPP_EXCEPTION |