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// Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007, 

// 2009, 2010

// 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 {

__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);

}

}