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);
25
26    bool operator==(const type_index& rhs) const;
27    bool operator!=(const type_index& rhs) const;
28    bool operator< (const type_index& rhs) const;
29    bool operator<=(const type_index& rhs) const;
30    bool operator> (const type_index& rhs) const;
31    bool operator>=(const type_index& rhs) const;
32
33    size_t hash_code() const;
34    const char* name() const;
35};
36
37template <>
38struct hash<type_index>
39    : public unary_function<type_index, size_t>
40{
41    size_t operator()(type_index index) const;
42};
43
44}  // std
45
46*/
47
48#include <__config>
49#include <typeinfo>
50#include <__functional_base>
51
52#pragma GCC system_header
53
54_LIBCPP_BEGIN_NAMESPACE_STD
55
56class _LIBCPP_VISIBLE type_index
57{
58    const type_info* __t_;
59public:
60    _LIBCPP_INLINE_VISIBILITY
61    type_index(const type_info& __y) : __t_(&__y) {}
62
63    _LIBCPP_INLINE_VISIBILITY
64    bool operator==(const type_index& __y) const {return *__t_ == *__y.__t_;}
65    _LIBCPP_INLINE_VISIBILITY
66    bool operator!=(const type_index& __y) const {return *__t_ != *__y.__t_;}
67    _LIBCPP_INLINE_VISIBILITY
68    bool operator< (const type_index& __y) const {return  __t_->before(*__y.__t_);}
69    _LIBCPP_INLINE_VISIBILITY
70    bool operator<=(const type_index& __y) const {return !__y.__t_->before(*__t_);}
71    _LIBCPP_INLINE_VISIBILITY
72    bool operator> (const type_index& __y) const {return  __y.__t_->before(*__t_);}
73    _LIBCPP_INLINE_VISIBILITY
74    bool operator>=(const type_index& __y) const {return !__t_->before(*__y.__t_);}
75
76    _LIBCPP_INLINE_VISIBILITY
77    size_t hash_code() const {return __t_->hash_code();}
78    _LIBCPP_INLINE_VISIBILITY
79    const char* name() const {return __t_->name();}
80};
81
82template <class _Tp> struct _LIBCPP_VISIBLE hash;
83
84template <>
85struct _LIBCPP_VISIBLE hash<type_index>
86    : public unary_function<type_index, size_t>
87{
88    _LIBCPP_INLINE_VISIBILITY
89    size_t operator()(type_index __index) const {return __index.hash_code();}
90};
91
92_LIBCPP_END_NAMESPACE_STD
93
94#endif  // _LIBCPP_TYPEINDEX
95