1 // Methods for type_info for -*- C++ -*- Run Time Type Identification.
2
3 // Copyright (C) 1994-2022 Free Software Foundation, Inc.
4 //
5 // This file is part of GCC.
6 //
7 // GCC is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11
12 // GCC is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
20
21 // You should have received a copy of the GNU General Public License and
22 // a copy of the GCC Runtime Library Exception along with this program;
23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 // <http://www.gnu.org/licenses/>.
25
26 #include <cstddef>
27 #include "tinfo.h"
28
29 using std::type_info;
30
31 #if !__GXX_TYPEINFO_EQUALITY_INLINE
32
33 bool
before(const type_info & arg) const34 type_info::before (const type_info &arg) const _GLIBCXX_NOEXCEPT
35 {
36 #if __GXX_MERGED_TYPEINFO_NAMES
37 return name () < arg.name ();
38 #else
39 /* The name() method will strip any leading '*' prefix. Therefore
40 take care to look at __name rather than name() when looking for
41 the "pointer" prefix. */
42 return (__name[0] == '*') ? name () < arg.name ()
43 : __builtin_strcmp (name (), arg.name ()) < 0;
44 #endif
45 }
46
47 #endif
48