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
26 namespace boost
27 {
28
29 namespace core
30 {
31
32 class typeinfo
33 {
34 private:
35
36 typeinfo( typeinfo const& );
37 typeinfo& operator=( typeinfo const& );
38
39 char const * name_;
40 void (*lib_id_)();
41
42 public:
43
typeinfo(char const * name,void (* lib_id)())44 typeinfo( char const * name, void (*lib_id)() ): name_( name ), lib_id_( lib_id )
45 {
46 }
47
operator ==(typeinfo const & rhs) const48 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
operator !=(typeinfo const & rhs) const61 bool operator!=( typeinfo const& rhs ) const
62 {
63 return !( *this == rhs );
64 }
65
before(typeinfo const & rhs) const66 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
name() const79 char const* name() const
80 {
81 return name_;
82 }
83 };
84
demangled_name(core::typeinfo const & ti)85 inline char const * demangled_name( core::typeinfo const & ti )
86 {
87 return ti.name();
88 }
89
90 } // namespace core
91
92 namespace detail
93 {
94
95 template<class T> struct BOOST_SYMBOL_VISIBLE core_typeid_
96 {
97 static boost::core::typeinfo ti_;
98
nameboost::detail::core_typeid_99 static char const * name()
100 {
101 return BOOST_CURRENT_FUNCTION;
102 }
103 };
104
core_typeid_lib_id()105 BOOST_SYMBOL_VISIBLE inline void core_typeid_lib_id()
106 {
107 }
108
109 template<class T> boost::core::typeinfo core_typeid_< T >::ti_( core_typeid_< T >::name(), &core_typeid_lib_id );
110
111 template<class T> struct core_typeid_< T & >: core_typeid_< T >
112 {
113 };
114
115 template<class T> struct core_typeid_< T const >: core_typeid_< T >
116 {
117 };
118
119 template<class T> struct core_typeid_< T volatile >: core_typeid_< T >
120 {
121 };
122
123 template<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
138 namespace boost
139 {
140
141 namespace core
142 {
143
144 #if defined( BOOST_NO_STD_TYPEINFO )
145
146 typedef ::type_info typeinfo;
147
148 #else
149
150 typedef std::type_info typeinfo;
151
152 #endif
153
demangled_name(core::typeinfo const & ti)154 inline std::string demangled_name( core::typeinfo const & ti )
155 {
156 return core::demangle( 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