boost/boost/exception/detail/type_info.hpp

   1 //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.\r
   2 \r
   3 //Distributed under the Boost Software License, Version 1.0. (See accompanying\r
   4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\r
   5 \r
   6 #ifndef UUID_C3E1741C754311DDB2834CCA55D89593\r
   7 #define UUID_C3E1741C754311DDB2834CCA55D89593\r
   8 \r
   9 #include <boost/detail/sp_typeinfo.hpp>\r
  10 #include <boost/current_function.hpp>\r
  11 \r
  12 namespace\r
  13 boost\r
  14     {\r
  15     template <class T>\r
  16     inline\r
  17     char const *\r
  18     tag_type_name()\r
  19         {\r
  20 #ifdef BOOST_NO_TYPEID\r
  21         return BOOST_CURRENT_FUNCTION;\r
  22 #else\r
  23         return typeid(T*).name();\r
  24 #endif\r
  25         }\r
  26 \r
  27     template <class T>\r
  28     inline\r
  29     char const *\r
  30     type_name()\r
  31         {\r
  32 #ifdef BOOST_NO_TYPEID\r
  33         return BOOST_CURRENT_FUNCTION;\r
  34 #else\r
  35         return typeid(T).name();\r
  36 #endif\r
  37         }\r
  38 \r
  39     namespace\r
  40     exception_detail\r
  41         {\r
  42 #ifdef BOOST_NO_TYPEID\r
  43         struct\r
  44         type_info_\r
  45             {\r
  46             detail::sp_typeinfo type_;\r
  47             char const * name_;\r
  48 \r
  49             explicit\r
  50             type_info_( detail::sp_typeinfo type, char const * name ):\r
  51                 type_(type),\r
  52                 name_(name)\r
  53                 {\r
  54                 }\r
  55 \r
  56             friend\r
  57             bool\r
  58             operator==( type_info_ const & a, type_info_ const & b )\r
  59                 {\r
  60                 return a.type_==b.type_;\r
  61                 }\r
  62 \r
  63             friend\r
  64             bool\r
  65             operator<( type_info_ const & a, type_info_ const & b )\r
  66                 {\r
  67                 return a.type_<b.type_;\r
  68                 }\r
  69 \r
  70             char const *\r
  71             name() const\r
  72                 {\r
  73                 return name_;\r
  74                 }\r
  75             };\r
  76 #else\r
  77         struct\r
  78         type_info_\r
  79             {\r
  80             detail::sp_typeinfo const * type_;\r
  81 \r
  82             explicit\r
  83             type_info_( detail::sp_typeinfo const & type ):\r
  84                 type_(&type)\r
  85                 {\r
  86                 }\r
  87 \r
  88             type_info_( detail::sp_typeinfo const & type, char const * ):\r
  89                 type_(&type)\r
  90                 {\r
  91                 }\r
  92 \r
  93             friend\r
  94             bool\r
  95             operator==( type_info_ const & a, type_info_ const & b )\r
  96                 {\r
  97                 return (*a.type_)==(*b.type_);\r
  98                 }\r
  99 \r
 100             friend\r
 101             bool\r
 102             operator<( type_info_ const & a, type_info_ const & b )\r
 103                 {\r
 104                 return 0!=(a.type_->before(*b.type_));\r
 105                 }\r
 106 \r
 107             char const *\r
 108             name() const\r
 109                 {\r
 110                 return type_->name();\r
 111                 }\r
 112             };\r
 113 #endif\r
 114 \r
 115         inline\r
 116         bool\r
 117         operator!=( type_info_ const & a, type_info_ const & b )\r
 118             {\r
 119             return !(a==b);\r
 120             }\r
 121         }\r
 122     }\r
 123 \r
 124 #define BOOST_EXCEPTION_STATIC_TYPEID(T) ::boost::exception_detail::type_info_(BOOST_SP_TYPEID(T),::boost::tag_type_name<T>())\r
 125 \r
 126 #ifndef BOOST_NO_RTTI\r
 127 #define BOOST_EXCEPTION_DYNAMIC_TYPEID(x) ::boost::exception_detail::type_info_(typeid(x))\r
 128 #endif\r
 129 \r
 130 #endif\r