// Methods for type_info for -*- C++ -*- Run Time Type Identification. // Copyright (C) 1994-2018 Free Software Foundation, Inc. // // This file is part of GCC. // // GCC is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3, or (at your option) // any later version. // GCC is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // . #include #include #include "tinfo.h" std::type_info:: ~type_info () { } #if !__GXX_TYPEINFO_EQUALITY_INLINE // We can't rely on common symbols being shared between shared objects. bool std::type_info:: operator== (const std::type_info& arg) const _GLIBCXX_NOEXCEPT { #if __GXX_MERGED_TYPEINFO_NAMES return name () == arg.name (); #else /* The name() method will strip any leading '*' prefix. Therefore take care to look at __name rather than name() when looking for the "pointer" prefix. */ return (&arg == this) || (__name[0] != '*' && (__builtin_strcmp (name (), arg.name ()) == 0)); #endif } #endif namespace std { // return true if this is a type_info for a pointer type bool type_info:: __is_pointer_p () const { return false; } // return true if this is a type_info for a function type bool type_info:: __is_function_p () const { return false; } // try and catch a thrown object. bool type_info:: __do_catch (const type_info *thr_type, void **, unsigned) const { return *this == *thr_type; } // upcast from this type to the target. __class_type_info will override bool type_info:: __do_upcast (const abi::__class_type_info *, void **) const { return false; } }