1 // Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007, 2009
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 3, 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 // 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.
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/>.
27 namespace __cxxabiv1
{
29 __si_class_type_info::
30 ~__si_class_type_info ()
33 __class_type_info::__sub_kind
__si_class_type_info::
34 __do_find_public_src (ptrdiff_t src2dst
,
36 const __class_type_info
*src_type
,
37 const void *src_ptr
) const
39 if (src_ptr
== obj_ptr
&& *this == *src_type
)
40 return __contained_public
;
41 return __base_type
->__do_find_public_src (src2dst
, obj_ptr
, src_type
, src_ptr
);
44 bool __si_class_type_info::
45 __do_dyncast (ptrdiff_t src2dst
,
46 __sub_kind access_path
,
47 const __class_type_info
*dst_type
,
49 const __class_type_info
*src_type
,
51 __dyncast_result
&__restrict result
) const
53 if (*this == *dst_type
)
55 result
.dst_ptr
= obj_ptr
;
56 result
.whole2dst
= access_path
;
58 result
.dst2src
= adjust_pointer
<void> (obj_ptr
, src2dst
) == src_ptr
59 ? __contained_public
: __not_contained
;
60 else if (src2dst
== -2)
61 result
.dst2src
= __not_contained
;
64 if (obj_ptr
== src_ptr
&& *this == *src_type
)
66 // The src object we started from. Indicate how we are accessible from
67 // the most derived object.
68 result
.whole2src
= access_path
;
71 return __base_type
->__do_dyncast (src2dst
, access_path
, dst_type
, obj_ptr
,
72 src_type
, src_ptr
, result
);
75 bool __si_class_type_info::
76 __do_upcast (const __class_type_info
*dst
, const void *obj_ptr
,
77 __upcast_result
&__restrict result
) const
79 if (__class_type_info::__do_upcast (dst
, obj_ptr
, result
))
82 return __base_type
->__do_upcast (dst
, obj_ptr
, result
);