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

   1 // Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007,
   2 // 2009, 2010
   3 // Free Software Foundation
   4 //
   5 // This file is part of GCC.
   6 //
   7 // GCC is free software; you can redistribute it and/or modify
   8 // it under the terms of the GNU General Public License as published by
   9 // the Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // GCC is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // Under Section 7 of GPL version 3, you are granted additional
  18 // permissions described in the GCC Runtime Library Exception, version
  19 // 3.1, as published by the Free Software Foundation.
  20
  21 // You should have received a copy of the GNU General Public License and
  22 // a copy of the GCC Runtime Library Exception along with this program;
  23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 #include "tinfo.h"
  27
  28 namespace __cxxabiv1 {
  29
  30 __pointer_type_info::
  31 ~__pointer_type_info ()
  32 {}
  33
  34 bool __pointer_type_info::
  35 __is_pointer_p () const
  36 {
  37   return true;
  38 }
  39
  40 bool __pointer_type_info::
  41 __pointer_catch (const __pbase_type_info *thrown_type,
  42                  void **thr_obj,
  43                  unsigned outer) const
  44 {
  45 #ifdef __GXX_RTTI
  46   if (outer < 2 && *__pointee == typeid (void))
  47     {
  48       // conversion to void
  49       return !thrown_type->__pointee->__is_function_p ();
  50     }
  51 #endif
  52
  53   return __pbase_type_info::__pointer_catch (thrown_type, thr_obj, outer);
  54 }
  55
  56 }