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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [libsupc++/] [class_type_info.cc] - Rev 516
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// Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2007, // 2009 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 { __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 <void *> (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; } }