1#ifndef BOOST_CORE_TYPEINFO_HPP_INCLUDED
2#define BOOST_CORE_TYPEINFO_HPP_INCLUDED
3
4// MS compatible compilers support #pragma once
5
6#if defined(_MSC_VER) && (_MSC_VER >= 1020)
7# pragma once
8#endif
9
10// core::typeinfo, BOOST_CORE_TYPEID
11//
12// Copyright 2007, 2014 Peter Dimov
13//
14// Distributed under the Boost Software License, Version 1.0.
15// See accompanying file LICENSE_1_0.txt or copy at
16// http://www.boost.org/LICENSE_1_0.txt)
17
18#include <boost/config.hpp>
19
20#if defined( BOOST_NO_TYPEID )
21
22#include <boost/current_function.hpp>
23#include <functional>
24#include <cstring>
25
26namespace boost
27{
28
29namespace core
30{
31
32class typeinfo
33{
34private:
35
36 typeinfo( typeinfo const& );
37 typeinfo& operator=( typeinfo const& );
38
39 char const * name_;
40 void (*lib_id_)();
41
42public:
43
44 typeinfo( char const * name, void (*lib_id)() ): name_( name ), lib_id_( lib_id )
45 {
46 }
47
48 bool operator==( typeinfo const& rhs ) const
49 {
50#if ( defined(_WIN32) || defined(__CYGWIN__) ) && ( defined(__GNUC__) || defined(__clang__) ) && !defined(BOOST_DISABLE_CURRENT_FUNCTION)
51
52 return lib_id_ == rhs.lib_id_? this == &rhs: std::strcmp( name_, rhs.name_ ) == 0;
53
54#else
55
56 return this == &rhs;
57
58#endif
59 }
60
61 bool operator!=( typeinfo const& rhs ) const
62 {
63 return !( *this == rhs );
64 }
65
66 bool before( typeinfo const& rhs ) const
67 {
68#if ( defined(_WIN32) || defined(__CYGWIN__) ) && ( defined(__GNUC__) || defined(__clang__) ) && !defined(BOOST_DISABLE_CURRENT_FUNCTION)
69
70 return lib_id_ == rhs.lib_id_? std::less< typeinfo const* >()( this, &rhs ): std::strcmp( name_, rhs.name_ ) < 0;
71
72#else
73
74 return std::less< typeinfo const* >()( this, &rhs );
75
76#endif
77 }
78
79 char const* name() const
80 {
81 return name_;
82 }
83};
84
85inline char const * demangled_name( core::typeinfo const & ti )
86{
87 return ti.name();
88}
89
90} // namespace core
91
92namespace detail
93{
94
95template<class T> struct BOOST_SYMBOL_VISIBLE core_typeid_
96{
97 static boost::core::typeinfo ti_;
98
99 static char const * name()
100 {
101 return BOOST_CURRENT_FUNCTION;
102 }
103};
104
105BOOST_SYMBOL_VISIBLE inline void core_typeid_lib_id()
106{
107}
108
109template<class T> boost::core::typeinfo core_typeid_< T >::ti_( core_typeid_< T >::name(), &core_typeid_lib_id );
110
111template<class T> struct core_typeid_< T & >: core_typeid_< T >
112{
113};
114
115template<class T> struct core_typeid_< T const >: core_typeid_< T >
116{
117};
118
119template<class T> struct core_typeid_< T volatile >: core_typeid_< T >
120{
121};
122
123template<class T> struct core_typeid_< T const volatile >: core_typeid_< T >
124{
125};
126
127} // namespace detail
128
129} // namespace boost
130
131#define BOOST_CORE_TYPEID(T) (boost::detail::core_typeid_<T>::ti_)
132
133#else
134
135#include <boost/core/demangle.hpp>
136#include <typeinfo>
137
138namespace boost
139{
140
141namespace core
142{
143
144#if defined( BOOST_NO_STD_TYPEINFO )
145
146typedef ::type_info typeinfo;
147
148#else
149
150typedef std::type_info typeinfo;
151
152#endif
153
154inline std::string demangled_name( core::typeinfo const & ti )
155{
156 return core::demangle( name: ti.name() );
157}
158
159} // namespace core
160
161} // namespace boost
162
163#define BOOST_CORE_TYPEID(T) typeid(T)
164
165#endif
166
167#endif // #ifndef BOOST_CORE_TYPEINFO_HPP_INCLUDED
168

source code of include/boost/core/typeinfo.hpp