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-rw-r--r--gcc-4.4.3/libstdc++-v3/libsupc++/dyncast.cc72
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;
-}
-
-}