Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / libsupc++ / si_class_type_info.cc

diff --git a/libstdc++-v3/libsupc++/si_class_type_info.cc b/libstdc++-v3/libsupc++/si_class_type_info.cc
new file mode 100644 (file)
index 0000000..829e71f
--- /dev/null
+++ b/libstdc++-v3/libsupc++/si_class_type_info.cc
@@ -0,0 +1,85 @@
+// 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 {
+
+__si_class_type_info::
+~__si_class_type_info ()
+{}
+
+__class_type_info::__sub_kind __si_class_type_info::
+__do_find_public_src (ptrdiff_t src2dst,
+                      const void *obj_ptr,
+                      const __class_type_info *src_type,
+                      const void *src_ptr) const
+{
+  if (src_ptr == obj_ptr && *this == *src_type)
+    return __contained_public;
+  return __base_type->__do_find_public_src (src2dst, obj_ptr, src_type, src_ptr);
+}
+
+bool __si_class_type_info::
+__do_dyncast (ptrdiff_t src2dst,
+              __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 (*this == *dst_type)
+    {
+      result.dst_ptr = obj_ptr;
+      result.whole2dst = access_path;
+      if (src2dst >= 0)
+        result.dst2src = adjust_pointer <void> (obj_ptr, src2dst) == src_ptr
+              ? __contained_public : __not_contained;
+      else if (src2dst == -2)
+        result.dst2src = __not_contained;
+      return false;
+    }
+  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;
+    }
+  return __base_type->__do_dyncast (src2dst, access_path, dst_type, obj_ptr,
+                             src_type, src_ptr, result);
+}
+
+bool __si_class_type_info::
+__do_upcast (const __class_type_info *dst, const void *obj_ptr,
+             __upcast_result &__restrict result) const
+{
+  if (__class_type_info::__do_upcast (dst, obj_ptr, result))
+    return true;
+  
+  return __base_type->__do_upcast (dst, obj_ptr, result);
+}
+
+}