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author | Dan Albert <danalbert@google.com> | 2015-06-17 11:09:54 -0700 |
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committer | Dan Albert <danalbert@google.com> | 2015-06-17 14:15:22 -0700 |
commit | f378ebf14df0952eae870c9865bab8326aa8f137 (patch) | |
tree | 31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc | |
parent | 2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff) | |
download | toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.gz toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.bz2 toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.zip |
Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc b/gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc deleted file mode 100644 index f565ed459..000000000 --- a/gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc +++ /dev/null @@ -1,72 +0,0 @@ -// 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 { - - -// this is the external interface to the dynamic cast machinery -extern "C" void * -__dynamic_cast (const void *src_ptr, // object started from - const __class_type_info *src_type, // type of the starting object - const __class_type_info *dst_type, // desired target type - ptrdiff_t src2dst) // how src and dst are related -{ - const void *vtable = *static_cast <const void *const *> (src_ptr); - const vtable_prefix *prefix = - adjust_pointer <vtable_prefix> (vtable, - -offsetof (vtable_prefix, origin)); - const void *whole_ptr = - adjust_pointer <void> (src_ptr, prefix->whole_object); - const __class_type_info *whole_type = prefix->whole_type; - __class_type_info::__dyncast_result result; - - whole_type->__do_dyncast (src2dst, __class_type_info::__contained_public, - dst_type, whole_ptr, src_type, src_ptr, result); - if (!result.dst_ptr) - return NULL; - if (contained_public_p (result.dst2src)) - // Src is known to be a public base of dst. - return const_cast <void *> (result.dst_ptr); - if (contained_public_p (__class_type_info::__sub_kind (result.whole2src & result.whole2dst))) - // Both src and dst are known to be public bases of whole. Found a valid - // cross cast. - return const_cast <void *> (result.dst_ptr); - if (contained_nonvirtual_p (result.whole2src)) - // Src is known to be a non-public nonvirtual base of whole, and not a - // base of dst. Found an invalid cross cast, which cannot also be a down - // cast - return NULL; - if (result.dst2src == __class_type_info::__unknown) - result.dst2src = dst_type->__find_public_src (src2dst, result.dst_ptr, - src_type, src_ptr); - if (contained_public_p (result.dst2src)) - // Found a valid down cast - return const_cast <void *> (result.dst_ptr); - // Must be an invalid down cast, or the cross cast wasn't bettered - return NULL; -} - -} |