1 // Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007,
3 // Free Software Foundation
5 // This file is part of GCC.
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)
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.
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.
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/>.
28 namespace __cxxabiv1
{
34 bool __pbase_type_info::
35 __do_catch (const type_info
*thr_type
,
39 if (*this == *thr_type
)
40 return true; // same type
43 if (typeid (*this) != typeid (*thr_type
))
44 return false; // not both same kind of pointers
48 // We're not the same and our outer pointers are not all const qualified
49 // Therefore there must at least be a qualification conversion involved
50 // But for that to be valid, our outer pointers must be const qualified.
53 const __pbase_type_info
*thrown_type
=
54 static_cast <const __pbase_type_info
*> (thr_type
);
56 if (thrown_type
->__flags
& ~__flags
)
57 // We're less qualified.
60 if (!(__flags
& __const_mask
))
63 return __pointer_catch (thrown_type
, thr_obj
, outer
);