| // 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); |
| } |
| |
| } |