2 //===-------------------------- typeinfo ----------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 #ifndef __LIBCPP_TYPEINFO
12 #define __LIBCPP_TYPEINFO
25 bool operator==(const type_info& rhs) const noexcept;
26 bool operator!=(const type_info& rhs) const noexcept;
28 bool before(const type_info& rhs) const noexcept;
29 size_t hash_code() const noexcept;
30 const char* name() const noexcept;
32 type_info(const type_info& rhs) = delete;
33 type_info& operator=(const type_info& rhs) = delete;
41 bad_cast(const bad_cast&) noexcept;
42 bad_cast& operator=(const bad_cast&) noexcept;
43 virtual const char* what() const noexcept;
50 bad_typeid() noexcept;
51 bad_typeid(const bad_typeid&) noexcept;
52 bad_typeid& operator=(const bad_typeid&) noexcept;
53 virtual const char* what() const noexcept;
64 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
65 #pragma GCC system_header
68 namespace std // purposefully not using versioning namespace
71 class _LIBCPP_EXCEPTION_ABI type_info
73 type_info& operator=(const type_info&);
74 type_info(const type_info&);
76 const char* __type_name;
78 _LIBCPP_INLINE_VISIBILITY
79 explicit type_info(const char* __n)
85 _LIBCPP_INLINE_VISIBILITY
86 const char* name() const _NOEXCEPT {return __type_name;}
88 _LIBCPP_INLINE_VISIBILITY
89 bool before(const type_info& __arg) const _NOEXCEPT
90 {return __type_name < __arg.__type_name;}
91 _LIBCPP_INLINE_VISIBILITY
92 size_t hash_code() const _NOEXCEPT
93 {return *reinterpret_cast<const size_t*>(&__type_name);}
95 _LIBCPP_INLINE_VISIBILITY
96 bool operator==(const type_info& __arg) const _NOEXCEPT
97 {return __type_name == __arg.__type_name;}
98 _LIBCPP_INLINE_VISIBILITY
99 bool operator!=(const type_info& __arg) const _NOEXCEPT
100 {return !operator==(__arg);}
104 class _LIBCPP_EXCEPTION_ABI bad_cast
108 bad_cast() _NOEXCEPT;
109 virtual ~bad_cast() _NOEXCEPT;
110 virtual const char* what() const _NOEXCEPT;
113 class _LIBCPP_EXCEPTION_ABI bad_typeid
117 bad_typeid() _NOEXCEPT;
118 virtual ~bad_typeid() _NOEXCEPT;
119 virtual const char* what() const _NOEXCEPT;
124 #endif // __LIBCPP_TYPEINFO