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-rw-r--r--gcc/cp/tinfo.cc125
1 files changed, 0 insertions, 125 deletions
diff --git a/gcc/cp/tinfo.cc b/gcc/cp/tinfo.cc
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--- a/gcc/cp/tinfo.cc
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@@ -1,125 +0,0 @@
-// Methods for type_info for -*- C++ -*- Run Time Type Identification.
-// Copyright (C) 1994, 1996 Free Software Foundation
-
-// This file is part of GNU CC.
-
-// GNU CC 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)
-// any later version.
-
-// GNU CC 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.
-
-// As a special exception, if you link this library with other files,
-// some of which are compiled with GCC, to produce an executable,
-// this library 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.
-
-#include <stddef.h>
-#include "tinfo.h"
-#include "new" // for placement new
-
-// This file contains the minimal working set necessary to link with code
-// that uses virtual functions and -frtti but does not actually use RTTI
-// functionality.
-
-type_info::
-~type_info ()
-{ }
-
-extern "C" void
-__rtti_class (void *addr, const char *name,
- const __class_type_info::base_info *bl, size_t bn)
-{ new (addr) __class_type_info (name, bl, bn); }
-
-extern "C" void
-__rtti_si (void *addr, const char *n, const type_info *ti)
-{
- new (addr) __si_type_info
- (n, static_cast <const __user_type_info &> (*ti));
-}
-
-extern "C" void
-__rtti_user (void *addr, const char *name)
-{ new (addr) __user_type_info (name); }
-
-// dynamic_cast helper methods.
-// Returns a pointer to the desired sub-object or 0.
-
-void * __user_type_info::
-dcast (const type_info& to, int, void *addr, const type_info *, void *) const
-{ return (*this == to) ? addr : 0; }
-
-void * __si_type_info::
-dcast (const type_info& to, int require_public, void *addr,
- const type_info *sub, void *subptr) const
-{
- if (*this == to)
- return addr;
- return base.dcast (to, require_public, addr, sub, subptr);
-}
-
-void* __class_type_info::
-dcast (const type_info& desired, int is_public, void *objptr,
- const type_info *sub, void *subptr) const
-{
- if (*this == desired)
- return objptr;
-
- void *match_found = 0;
- for (int i = 0; i < n_bases; i++)
- {
- if (is_public && base_list[i].access != PUBLIC)
- continue;
-
- void *p = (char *)objptr + base_list[i].offset;
- if (base_list[i].is_virtual)
- p = *(void **)p;
- p = base_list[i].base->dcast (desired, is_public, p, sub, subptr);
- if (p)
- {
- if (match_found == 0)
- match_found = p;
- else if (match_found != p)
- {
- if (sub)
- {
- // Perhaps we're downcasting from *sub to desired; see if
- // subptr is a subobject of exactly one of {match_found,p}.
-
- const __user_type_info &d =
- static_cast <const __user_type_info &> (desired);
-
- void *os = d.dcast (*sub, 1, match_found);
- void *ns = d.dcast (*sub, 1, p);
-
- if (os == ns)
- /* ambiguous -- subptr is a virtual base */;
- else if (os == subptr)
- continue;
- else if (ns == subptr)
- {
- match_found = p;
- continue;
- }
- }
-
- // base found at two different pointers,
- // conversion is not unique
- return 0;
- }
- }
- }
-
- return match_found;
-}