1 // Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007
2 // Free Software Foundation
4 // This file is part of GCC.
6 // GCC is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation; either version 2, or (at your option)
11 // GCC is distributed in the hope that it will be useful,
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.
16 // You should have received a copy of the GNU General Public License
17 // along with GCC; see the file COPYING. If not, write to
18 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
19 // Boston, MA 02110-1301, USA.
21 // As a special exception, you may use this file as part of a free software
22 // library without restriction. Specifically, if other files instantiate
23 // templates or use macros or inline enums from this file, or you compile
24 // this file and link it with other files to produce an executable, this
25 // file does not by itself cause the resulting executable to be covered by
26 // the GNU General Public License. This exception does not however
27 // invalidate any other reasons why the executable file might be covered by
28 // the GNU General Public License.
32 namespace __cxxabiv1 {
38 bool __pbase_type_info::
39 __do_catch (const type_info *thr_type,
43 if (*this == *thr_type)
44 return true; // same type
45 if (typeid (*this) != typeid (*thr_type))
46 return false; // not both same kind of pointers
49 // We're not the same and our outer pointers are not all const qualified
50 // Therefore there must at least be a qualification conversion involved
51 // But for that to be valid, our outer pointers must be const qualified.
54 const __pbase_type_info *thrown_type =
55 static_cast <const __pbase_type_info *> (thr_type);
57 if (thrown_type->__flags & ~__flags)
58 // We're less qualified.
61 if (!(__flags & __const_mask))
64 return __pointer_catch (thrown_type, thr_obj, outer);