Imported gcc-4.4.3

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

diff --git a/libstdc++-v3/libsupc++/class_type_info.cc b/libstdc++-v3/libsupc++/class_type_info.cc
new file mode 100644 (file)
index 0000000..9d40d0c
--- /dev/null
+++ b/libstdc++-v3/libsupc++/class_type_info.cc
@@ -0,0 +1,111 @@
+// 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;
+}
+
+}