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// Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007,
// 2009 Free Software Foundation
//
// This file is part of GCC.
//
// GCC is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
// GCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#include "tinfo.h"
namespace __cxxabiv1 {
__class_type_info::
~__class_type_info ()
{}
bool __class_type_info::
__do_catch (const type_info *thr_type,
void **thr_obj,
unsigned outer) const
{
if (*this == *thr_type)
return true;
if (outer >= 4)
// Neither `A' nor `A *'.
return false;
return thr_type->__do_upcast (this, thr_obj);
}
bool __class_type_info::
__do_upcast (const __class_type_info *dst_type,
void **obj_ptr) const
{
__upcast_result result (__vmi_class_type_info::__flags_unknown_mask);
__do_upcast (dst_type, *obj_ptr, result);
if (!contained_public_p (result.part2dst))
return false;
*obj_ptr = const_cast <void *> (result.dst_ptr);
return true;
}
__class_type_info::__sub_kind __class_type_info::
__do_find_public_src (ptrdiff_t,
const void *obj_ptr,
const __class_type_info *,
const void *src_ptr) const
{
if (src_ptr == obj_ptr)
// Must be our type, as the pointers match.
return __contained_public;
return __not_contained;
}
bool __class_type_info::
__do_dyncast (ptrdiff_t,
__sub_kind access_path,
const __class_type_info *dst_type,
const void *obj_ptr,
const __class_type_info *src_type,
const void *src_ptr,
__dyncast_result &__restrict result) const
{
if (obj_ptr == src_ptr && *this == *src_type)
{
// The src object we started from. Indicate how we are accessible from
// the most derived object.
result.whole2src = access_path;
return false;
}
if (*this == *dst_type)
{
result.dst_ptr = obj_ptr;
result.whole2dst = access_path;
result.dst2src = __not_contained;
return false;
}
return false;
}
bool __class_type_info::
__do_upcast (const __class_type_info *dst, const void *obj,
__upcast_result &__restrict result) const
{
if (*this == *dst)
{
result.dst_ptr = obj;
result.base_type = nonvirtual_base_type;
result.part2dst = __contained_public;
return true;
}
return false;
}
}
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