libstdc++-v3/libsupc++/pointer_type_info.cc

   1 // Copyright (C) 1994-2018 Free Software Foundation, Inc.
   2 //
   3 // This file is part of GCC.
   4 //
   5 // GCC is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 3, or (at your option)
   8 // any later version.
   9
  10 // GCC is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // Under Section 7 of GPL version 3, you are granted additional
  16 // permissions described in the GCC Runtime Library Exception, version
  17 // 3.1, as published by the Free Software Foundation.
  18
  19 // You should have received a copy of the GNU General Public License and
  20 // a copy of the GCC Runtime Library Exception along with this program;
  21 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 #include "tinfo.h"
  25
  26 namespace __cxxabiv1 {
  27
  28 __pointer_type_info::
  29 ~__pointer_type_info ()
  30 {}
  31
  32 bool __pointer_type_info::
  33 __is_pointer_p () const
  34 {
  35   return true;
  36 }
  37
  38 bool __pointer_type_info::
  39 __pointer_catch (const __pbase_type_info *thrown_type,
  40                  void **thr_obj,
  41                  unsigned outer) const
  42 {
  43 #if __cpp_rtti
  44   if (outer < 2 && *__pointee == typeid (void))
  45     {
  46       // conversion to void
  47       return !thrown_type->__pointee->__is_function_p ();
  48     }
  49 #endif
  50
  51   return __pbase_type_info::__pointer_catch (thrown_type, thr_obj, outer);
  52 }
  53
  54 }