forked from KolibriOS/kolibrios
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
|
// Copyright (C) 1994-2013 Free Software Foundation, Inc.
|
||
|
//
|
||
|
// 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 {
|
||
|
|
||
|
__pbase_type_info::
|
||
|
~__pbase_type_info ()
|
||
|
{}
|
||
|
|
||
|
bool __pbase_type_info::
|
||
|
__do_catch (const type_info *thr_type,
|
||
|
void **thr_obj,
|
||
|
unsigned outer) const
|
||
|
{
|
||
|
if (*this == *thr_type)
|
||
|
return true; // same type
|
||
|
|
||
|
#ifdef __GXX_RTTI
|
||
|
if (typeid (*this) != typeid (*thr_type))
|
||
|
return false; // not both same kind of pointers
|
||
|
#endif
|
||
|
|
||
|
if (!(outer & 1))
|
||
|
// We're not the same and our outer pointers are not all const qualified
|
||
|
// Therefore there must at least be a qualification conversion involved
|
||
|
// But for that to be valid, our outer pointers must be const qualified.
|
||
|
return false;
|
||
|
|
||
|
const __pbase_type_info *thrown_type =
|
||
|
static_cast <const __pbase_type_info *> (thr_type);
|
||
|
|
||
|
if (thrown_type->__flags & ~__flags)
|
||
|
// We're less qualified.
|
||
|
return false;
|
||
|
|
||
|
if (!(__flags & __const_mask))
|
||
|
outer &= ~1;
|
||
|
|
||
|
return __pointer_catch (thrown_type, thr_obj, outer);
|
||
|
}
|
||
|
|
||
|
}
|