1// -*- C++ -*- 2//===-------------------------- typeindex ---------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_TYPEINDEX 12#define _LIBCPP_TYPEINDEX 13 14/* 15 16 typeindex synopsis 17 18namespace std 19{ 20 21class type_index 22{ 23public: 24 type_index(const type_info& rhs) noexcept; 25 26 bool operator==(const type_index& rhs) const noexcept; 27 bool operator!=(const type_index& rhs) const noexcept; 28 bool operator< (const type_index& rhs) const noexcept; 29 bool operator<=(const type_index& rhs) const noexcept; 30 bool operator> (const type_index& rhs) const noexcept; 31 bool operator>=(const type_index& rhs) const noexcept; 32 33 size_t hash_code() const noexcept; 34 const char* name() const noexcept; 35}; 36 37template <> 38struct hash<type_index> 39 : public unary_function<type_index, size_t> 40{ 41 size_t operator()(type_index index) const noexcept; 42}; 43 44} // std 45 46*/ 47 48#include <__config> 49#include <typeinfo> 50#include <__functional_base> 51 52#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 53#pragma GCC system_header 54#endif 55 56_LIBCPP_BEGIN_NAMESPACE_STD 57 58class _LIBCPP_TEMPLATE_VIS type_index 59{ 60 const type_info* __t_; 61public: 62 _LIBCPP_INLINE_VISIBILITY 63 type_index(const type_info& __y) _NOEXCEPT : __t_(&__y) {} 64 65 _LIBCPP_INLINE_VISIBILITY 66 bool operator==(const type_index& __y) const _NOEXCEPT 67 {return *__t_ == *__y.__t_;} 68 _LIBCPP_INLINE_VISIBILITY 69 bool operator!=(const type_index& __y) const _NOEXCEPT 70 {return *__t_ != *__y.__t_;} 71 _LIBCPP_INLINE_VISIBILITY 72 bool operator< (const type_index& __y) const _NOEXCEPT 73 {return __t_->before(*__y.__t_);} 74 _LIBCPP_INLINE_VISIBILITY 75 bool operator<=(const type_index& __y) const _NOEXCEPT 76 {return !__y.__t_->before(*__t_);} 77 _LIBCPP_INLINE_VISIBILITY 78 bool operator> (const type_index& __y) const _NOEXCEPT 79 {return __y.__t_->before(*__t_);} 80 _LIBCPP_INLINE_VISIBILITY 81 bool operator>=(const type_index& __y) const _NOEXCEPT 82 {return !__t_->before(*__y.__t_);} 83 84 _LIBCPP_INLINE_VISIBILITY 85 size_t hash_code() const _NOEXCEPT {return __t_->hash_code();} 86 _LIBCPP_INLINE_VISIBILITY 87 const char* name() const _NOEXCEPT {return __t_->name();} 88}; 89 90template <class _Tp> struct _LIBCPP_TEMPLATE_VIS hash; 91 92template <> 93struct _LIBCPP_TEMPLATE_VIS hash<type_index> 94 : public unary_function<type_index, size_t> 95{ 96 _LIBCPP_INLINE_VISIBILITY 97 size_t operator()(type_index __index) const _NOEXCEPT 98 {return __index.hash_code();} 99}; 100 101_LIBCPP_END_NAMESPACE_STD 102 103#endif // _LIBCPP_TYPEINDEX 104