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| 1 // Methods for type_info for -*- C++ -*- Run Time Type Identification. | |
| 2 // Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, | |
| 3 // 2003, 2004, 2005, 2006, 2007, 2009 | |
| 4 // Free Software Foundation | |
| 5 // | |
| 6 // This file is part of GCC. | |
| 7 // | |
| 8 // GCC is free software; you can redistribute it and/or modify | |
| 9 // it under the terms of the GNU General Public License as published by | |
| 10 // the Free Software Foundation; either version 3, or (at your option) | |
| 11 // any later version. | |
| 12 | |
| 13 // GCC is distributed in the hope that it will be useful, | |
| 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 // GNU General Public License for more details. | |
| 17 | |
| 18 // Under Section 7 of GPL version 3, you are granted additional | |
| 19 // permissions described in the GCC Runtime Library Exception, version | |
| 20 // 3.1, as published by the Free Software Foundation. | |
| 21 | |
| 22 // You should have received a copy of the GNU General Public License and | |
| 23 // a copy of the GCC Runtime Library Exception along with this program; | |
| 24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 25 // <http://www.gnu.org/licenses/>. | |
| 26 | |
| 27 #include <bits/c++config.h> | |
| 28 #include <cstddef> | |
| 29 #include "tinfo.h" | |
| 30 | |
| 31 std::type_info:: | |
| 32 ~type_info () | |
| 33 { } | |
| 34 | |
| 35 #if !__GXX_TYPEINFO_EQUALITY_INLINE | |
| 36 | |
| 37 // We can't rely on common symbols being shared between shared objects. | |
| 38 bool std::type_info:: | |
| 39 operator== (const std::type_info& arg) const | |
| 40 { | |
| 41 #if __GXX_MERGED_TYPEINFO_NAMES | |
| 42 return name () == arg.name (); | |
| 43 #else | |
| 44 return (&arg == this) || (__builtin_strcmp (name (), arg.name ()) == 0); | |
| 45 #endif | |
| 46 } | |
| 47 | |
| 48 #endif | |
| 49 | |
| 50 namespace std { | |
| 51 | |
| 52 // return true if this is a type_info for a pointer type | |
| 53 bool type_info:: | |
| 54 __is_pointer_p () const | |
| 55 { | |
| 56 return false; | |
| 57 } | |
| 58 | |
| 59 // return true if this is a type_info for a function type | |
| 60 bool type_info:: | |
| 61 __is_function_p () const | |
| 62 { | |
| 63 return false; | |
| 64 } | |
| 65 | |
| 66 // try and catch a thrown object. | |
| 67 bool type_info:: | |
| 68 __do_catch (const type_info *thr_type, void **, unsigned) const | |
| 69 { | |
| 70 return *this == *thr_type; | |
| 71 } | |
| 72 | |
| 73 // upcast from this type to the target. __class_type_info will override | |
| 74 bool type_info:: | |
| 75 __do_upcast (const abi::__class_type_info *, void **) const | |
| 76 { | |
| 77 return false; | |
| 78 } | |
| 79 | |
| 80 } | |
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