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06bd10fb | 1 | // Methods for type_info for -*- C++ -*- Run Time Type Identification. |
8d9254fc | 2 | // Copyright (C) 1994-2020 Free Software Foundation, Inc. |
e2c09482 | 3 | // |
cbecceb9 | 4 | // This file is part of GCC. |
e2c09482 | 5 | // |
cbecceb9 | 6 | // GCC is free software; you can redistribute it and/or modify |
06bd10fb | 7 | // it under the terms of the GNU General Public License as published by |
748086b7 | 8 | // the Free Software Foundation; either version 3, or (at your option) |
06bd10fb BK |
9 | // any later version. |
10 | ||
cbecceb9 | 11 | // GCC is distributed in the hope that it will be useful, |
06bd10fb BK |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
06bd10fb | 19 | |
748086b7 JJ |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
06bd10fb | 24 | |
0e20c0b5 | 25 | #include <bits/c++config.h> |
6b76f569 | 26 | #include <cstddef> |
06bd10fb | 27 | #include "tinfo.h" |
06bd10fb BK |
28 | |
29 | std::type_info:: | |
30 | ~type_info () | |
31 | { } | |
32 | ||
b54c93b7 | 33 | #if !__GXX_TYPEINFO_EQUALITY_INLINE |
0f0b2faf MM |
34 | |
35 | // We can't rely on common symbols being shared between shared objects. | |
36 | bool std::type_info:: | |
370d8a3d | 37 | operator== (const std::type_info& arg) const _GLIBCXX_NOEXCEPT |
0f0b2faf | 38 | { |
b54c93b7 JM |
39 | #if __GXX_MERGED_TYPEINFO_NAMES |
40 | return name () == arg.name (); | |
41 | #else | |
16fa5e23 MS |
42 | /* The name() method will strip any leading '*' prefix. Therefore |
43 | take care to look at __name rather than name() when looking for | |
44 | the "pointer" prefix. */ | |
52669d59 | 45 | return (&arg == this) |
16fa5e23 | 46 | || (__name[0] != '*' && (__builtin_strcmp (name (), arg.name ()) == 0)); |
b54c93b7 | 47 | #endif |
0f0b2faf MM |
48 | } |
49 | ||
50 | #endif | |
51 | ||
06bd10fb BK |
52 | namespace std { |
53 | ||
54 | // return true if this is a type_info for a pointer type | |
55 | bool type_info:: | |
56 | __is_pointer_p () const | |
57 | { | |
58 | return false; | |
59 | } | |
60 | ||
61 | // return true if this is a type_info for a function type | |
62 | bool type_info:: | |
63 | __is_function_p () const | |
64 | { | |
65 | return false; | |
66 | } | |
67 | ||
68 | // try and catch a thrown object. | |
69 | bool type_info:: | |
70 | __do_catch (const type_info *thr_type, void **, unsigned) const | |
71 | { | |
72 | return *this == *thr_type; | |
73 | } | |
74 | ||
75 | // upcast from this type to the target. __class_type_info will override | |
76 | bool type_info:: | |
77 | __do_upcast (const abi::__class_type_info *, void **) const | |
78 | { | |
79 | return false; | |
80 | } | |
81 | ||
43be7fe7 | 82 | } |