/usr/include/c++/v1/typeinfo is in libc++-dev 6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 | // -*- C++ -*-
//===-------------------------- typeinfo ----------------------------------===//
//
// 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_TYPEINFO
#define __LIBCPP_TYPEINFO
/*
typeinfo synopsis
namespace std {
class type_info
{
public:
virtual ~type_info();
bool operator==(const type_info& rhs) const noexcept;
bool operator!=(const type_info& rhs) const noexcept;
bool before(const type_info& rhs) const noexcept;
size_t hash_code() const noexcept;
const char* name() const noexcept;
type_info(const type_info& rhs) = delete;
type_info& operator=(const type_info& rhs) = delete;
};
class bad_cast
: public exception
{
public:
bad_cast() noexcept;
bad_cast(const bad_cast&) noexcept;
bad_cast& operator=(const bad_cast&) noexcept;
virtual const char* what() const noexcept;
};
class bad_typeid
: public exception
{
public:
bad_typeid() noexcept;
bad_typeid(const bad_typeid&) noexcept;
bad_typeid& operator=(const bad_typeid&) noexcept;
virtual const char* what() const noexcept;
};
} // std
*/
#include <__config>
#include <exception>
#include <cstddef>
#include <cstdint>
#ifdef _LIBCPP_NO_EXCEPTIONS
#include <cstdlib>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#if !defined(_LIBCPP_ABI_MICROSOFT)
#if defined(_LIBCPP_NONUNIQUE_RTTI_BIT)
#define _LIBCPP_HAS_NONUNIQUE_TYPEINFO
#else
#define _LIBCPP_HAS_UNIQUE_TYPEINFO
#endif
#endif
namespace std // purposefully not using versioning namespace
{
class _LIBCPP_EXCEPTION_ABI type_info
{
type_info& operator=(const type_info&);
type_info(const type_info&);
#if defined(_LIBCPP_HAS_NONUNIQUE_TYPEINFO)
_LIBCPP_INLINE_VISIBILITY
int __compare_nonunique_names(const type_info &__arg) const _NOEXCEPT
{ return __builtin_strcmp(name(), __arg.name()); }
#endif
#if defined(_LIBCPP_ABI_MICROSOFT)
mutable struct {
const char *__undecorated_name;
const char __decorated_name[1];
} __data;
int __compare(const type_info &__rhs) const _NOEXCEPT;
#endif // _LIBCPP_ABI_MICROSOFT
protected:
#if !defined(_LIBCPP_ABI_MICROSOFT)
#if defined(_LIBCPP_HAS_NONUNIQUE_TYPEINFO)
// A const char* with the non-unique RTTI bit possibly set.
uintptr_t __type_name;
_LIBCPP_INLINE_VISIBILITY
explicit type_info(const char* __n)
: __type_name(reinterpret_cast<uintptr_t>(__n)) {}
#else
const char *__type_name;
_LIBCPP_INLINE_VISIBILITY
explicit type_info(const char* __n) : __type_name(__n) {}
#endif
#endif // ! _LIBCPP_ABI_MICROSOFT
public:
_LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
virtual ~type_info();
#if defined(_LIBCPP_ABI_MICROSOFT)
const char *name() const _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
bool before(const type_info& __arg) const _NOEXCEPT {
return __compare(__arg) < 0;
}
size_t hash_code() const _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
bool operator==(const type_info& __arg) const _NOEXCEPT {
return __compare(__arg) == 0;
}
#else
#if defined(_LIBCPP_HAS_NONUNIQUE_TYPEINFO)
_LIBCPP_INLINE_VISIBILITY
const char* name() const _NOEXCEPT
{
return reinterpret_cast<const char*>(__type_name &
~_LIBCPP_NONUNIQUE_RTTI_BIT);
}
_LIBCPP_INLINE_VISIBILITY
bool before(const type_info& __arg) const _NOEXCEPT
{
if (!((__type_name & __arg.__type_name) & _LIBCPP_NONUNIQUE_RTTI_BIT))
return __type_name < __arg.__type_name;
return __compare_nonunique_names(__arg) < 0;
}
_LIBCPP_INLINE_VISIBILITY
size_t hash_code() const _NOEXCEPT
{
if (!(__type_name & _LIBCPP_NONUNIQUE_RTTI_BIT))
return __type_name;
const char* __ptr = name();
size_t __hash = 5381;
while (unsigned char __c = static_cast<unsigned char>(*__ptr++))
__hash = (__hash * 33) ^ __c;
return __hash;
}
_LIBCPP_INLINE_VISIBILITY
bool operator==(const type_info& __arg) const _NOEXCEPT
{
if (__type_name == __arg.__type_name)
return true;
if (!((__type_name & __arg.__type_name) & _LIBCPP_NONUNIQUE_RTTI_BIT))
return false;
return __compare_nonunique_names(__arg) == 0;
}
#else
_LIBCPP_INLINE_VISIBILITY
const char* name() const _NOEXCEPT
{ return __type_name; }
_LIBCPP_INLINE_VISIBILITY
bool before(const type_info& __arg) const _NOEXCEPT
{ return __type_name < __arg.__type_name; }
_LIBCPP_INLINE_VISIBILITY
size_t hash_code() const _NOEXCEPT
{ return reinterpret_cast<size_t>(__type_name); }
_LIBCPP_INLINE_VISIBILITY
bool operator==(const type_info& __arg) const _NOEXCEPT
{ return __type_name == __arg.__type_name; }
#endif
#endif // _LIBCPP_ABI_MICROSOFT
_LIBCPP_INLINE_VISIBILITY
bool operator!=(const type_info& __arg) const _NOEXCEPT
{ return !operator==(__arg); }
};
class _LIBCPP_EXCEPTION_ABI bad_cast
: public exception
{
public:
bad_cast() _NOEXCEPT;
virtual ~bad_cast() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI bad_typeid
: public exception
{
public:
bad_typeid() _NOEXCEPT;
virtual ~bad_typeid() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
} // std
_LIBCPP_BEGIN_NAMESPACE_STD
_LIBCPP_NORETURN inline _LIBCPP_ALWAYS_INLINE
void __throw_bad_cast()
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw bad_cast();
#else
_VSTD::abort();
#endif
}
_LIBCPP_END_NAMESPACE_STD
#endif // __LIBCPP_TYPEINFO
|