// Methods for type_info for -*- C++ -*- Run Time Type Identification.
-// Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001
-// Free Software Foundation
+// Copyright (C) 1994-2020 Free Software Foundation, Inc.
//
-// This file is part of GNU CC.
+// This file is part of GCC.
//
-// GNU CC is free software; you can redistribute it and/or modify
+// 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 2, or (at your option)
+// the Free Software Foundation; either version 3, or (at your option)
// any later version.
-// GNU CC is distributed in the hope that it will be useful,
+// 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.
-// You should have received a copy of the GNU General Public License
-// along with GNU CC; see the file COPYING. If not, write to
-// the Free Software Foundation, 59 Temple Place - Suite 330,
-// Boston, MA 02111-1307, USA.
+// 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.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// 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 <cstddef>
#include "tinfo.h"
-#include "new" // for placement new
-
-// We can't rely on having stdlib.h if we're freestanding.
-extern "C" void abort ();
using std::type_info;
-#if !__GXX_MERGED_TYPEINFO_NAMES
+#if !__GXX_TYPEINFO_EQUALITY_INLINE
bool
-type_info::before (const type_info &arg) const
+type_info::before (const type_info &arg) const _GLIBCXX_NOEXCEPT
{
- return __builtin_strcmp (name (), arg.name ()) < 0;
-}
-
+#if __GXX_MERGED_TYPEINFO_NAMES
+ return name () < arg.name ();
+#else
+ return (name ()[0] == '*') ? name () < arg.name ()
+ : __builtin_strcmp (name (), arg.name ()) < 0;
#endif
-
-#include <cxxabi.h>
-
-namespace __cxxabiv1 {
-
-using namespace std;
-
-// This has special meaning to the compiler, and will cause it
-// to emit the type_info structures for the fundamental types which are
-// mandated to exist in the runtime.
-__fundamental_type_info::
-~__fundamental_type_info ()
-{}
-
-__array_type_info::
-~__array_type_info ()
-{}
-
-__function_type_info::
-~__function_type_info ()
-{}
-
-__enum_type_info::
-~__enum_type_info ()
-{}
-
-__pbase_type_info::
-~__pbase_type_info ()
-{}
-
-__pointer_type_info::
-~__pointer_type_info ()
-{}
-
-__pointer_to_member_type_info::
-~__pointer_to_member_type_info ()
-{}
-
-bool __pointer_type_info::
-__is_pointer_p () const
-{
- return true;
}
-bool __function_type_info::
-__is_function_p () const
-{
- return true;
-}
-
-bool __pbase_type_info::
-__do_catch (const type_info *thr_type,
- void **thr_obj,
- unsigned outer) const
-{
- if (*this == *thr_type)
- return true; // same type
- if (typeid (*this) != typeid (*thr_type))
- return false; // not both same kind of pointers
-
- if (!(outer & 1))
- // We're not the same and our outer pointers are not all const qualified
- // Therefore there must at least be a qualification conversion involved
- // But for that to be valid, our outer pointers must be const qualified.
- return false;
-
- const __pbase_type_info *thrown_type =
- static_cast <const __pbase_type_info *> (thr_type);
-
- if (thrown_type->__qualifier_flags & ~__qualifier_flags)
- // We're less qualified.
- return false;
-
- if (!(__qualifier_flags & __const_mask))
- outer &= ~1;
-
- return __pointer_catch (thrown_type, thr_obj, outer);
-}
-
-inline bool __pbase_type_info::
-__pointer_catch (const __pbase_type_info *thrown_type,
- void **thr_obj,
- unsigned outer) const
-{
- return __pointee->__do_catch (thrown_type->__pointee, thr_obj, outer + 2);
-}
-
-bool __pointer_type_info::
-__pointer_catch (const __pbase_type_info *thrown_type,
- void **thr_obj,
- unsigned outer) const
-{
- if (outer < 2 && *__pointee == typeid (void))
- {
- // conversion to void
- return !thrown_type->__pointee->__is_function_p ();
- }
-
- return __pbase_type_info::__pointer_catch (thrown_type, thr_obj, outer);
-}
-
-bool __pointer_to_member_type_info::
-__pointer_catch (const __pbase_type_info *thr_type,
- void **thr_obj,
- unsigned outer) const
-{
- // This static cast is always valid, as our caller will have determined that
- // thr_type is really a __pointer_to_member_type_info.
- const __pointer_to_member_type_info *thrown_type =
- static_cast <const __pointer_to_member_type_info *> (thr_type);
-
- if (*__context_class != *thrown_type->__context_class)
- return false; // not pointers to member of same class
-
- return __pbase_type_info::__pointer_catch (thrown_type, thr_obj, outer);
-}
-
-} // namespace std
+#endif