1*38fd1498Szrj // Methods for type_info for -*- C++ -*- Run Time Type Identification.
2*38fd1498Szrj // Copyright (C) 1994-2018 Free Software Foundation, Inc.
3*38fd1498Szrj //
4*38fd1498Szrj // This file is part of GCC.
5*38fd1498Szrj //
6*38fd1498Szrj // GCC is free software; you can redistribute it and/or modify
7*38fd1498Szrj // it under the terms of the GNU General Public License as published by
8*38fd1498Szrj // the Free Software Foundation; either version 3, or (at your option)
9*38fd1498Szrj // any later version.
10*38fd1498Szrj
11*38fd1498Szrj // GCC is distributed in the hope that it will be useful,
12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of
13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14*38fd1498Szrj // GNU General Public License for more details.
15*38fd1498Szrj
16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional
17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version
18*38fd1498Szrj // 3.1, as published by the Free Software Foundation.
19*38fd1498Szrj
20*38fd1498Szrj // You should have received a copy of the GNU General Public License and
21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program;
22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23*38fd1498Szrj // <http://www.gnu.org/licenses/>.
24*38fd1498Szrj
25*38fd1498Szrj #include <bits/c++config.h>
26*38fd1498Szrj #include <cstddef>
27*38fd1498Szrj #include "tinfo.h"
28*38fd1498Szrj
29*38fd1498Szrj std::type_info::
~type_info()30*38fd1498Szrj ~type_info ()
31*38fd1498Szrj { }
32*38fd1498Szrj
33*38fd1498Szrj #if !__GXX_TYPEINFO_EQUALITY_INLINE
34*38fd1498Szrj
35*38fd1498Szrj // We can't rely on common symbols being shared between shared objects.
36*38fd1498Szrj bool std::type_info::
operator ==(const std::type_info & arg) const37*38fd1498Szrj operator== (const std::type_info& arg) const _GLIBCXX_NOEXCEPT
38*38fd1498Szrj {
39*38fd1498Szrj #if __GXX_MERGED_TYPEINFO_NAMES
40*38fd1498Szrj return name () == arg.name ();
41*38fd1498Szrj #else
42*38fd1498Szrj /* The name() method will strip any leading '*' prefix. Therefore
43*38fd1498Szrj take care to look at __name rather than name() when looking for
44*38fd1498Szrj the "pointer" prefix. */
45*38fd1498Szrj return (&arg == this)
46*38fd1498Szrj || (__name[0] != '*' && (__builtin_strcmp (name (), arg.name ()) == 0));
47*38fd1498Szrj #endif
48*38fd1498Szrj }
49*38fd1498Szrj
50*38fd1498Szrj #endif
51*38fd1498Szrj
52*38fd1498Szrj namespace std {
53*38fd1498Szrj
54*38fd1498Szrj // return true if this is a type_info for a pointer type
55*38fd1498Szrj bool type_info::
__is_pointer_p() const56*38fd1498Szrj __is_pointer_p () const
57*38fd1498Szrj {
58*38fd1498Szrj return false;
59*38fd1498Szrj }
60*38fd1498Szrj
61*38fd1498Szrj // return true if this is a type_info for a function type
62*38fd1498Szrj bool type_info::
__is_function_p() const63*38fd1498Szrj __is_function_p () const
64*38fd1498Szrj {
65*38fd1498Szrj return false;
66*38fd1498Szrj }
67*38fd1498Szrj
68*38fd1498Szrj // try and catch a thrown object.
69*38fd1498Szrj bool type_info::
__do_catch(const type_info * thr_type,void **,unsigned) const70*38fd1498Szrj __do_catch (const type_info *thr_type, void **, unsigned) const
71*38fd1498Szrj {
72*38fd1498Szrj return *this == *thr_type;
73*38fd1498Szrj }
74*38fd1498Szrj
75*38fd1498Szrj // upcast from this type to the target. __class_type_info will override
76*38fd1498Szrj bool type_info::
__do_upcast(const abi::__class_type_info *,void **) const77*38fd1498Szrj __do_upcast (const abi::__class_type_info *, void **) const
78*38fd1498Szrj {
79*38fd1498Szrj return false;
80*38fd1498Szrj }
81*38fd1498Szrj
82*38fd1498Szrj }
83