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// Copyright (C) 1994-2015 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

// .

#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  (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;

}

}