text: /* Stub functions for Objective-C and Objective-C++ routines
     that are called from within the C and C++ front-ends,
     respectively.
     Copyright (C) 1991, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
     2004, 2005, 2007, 2009 Free Software Foundation, Inc.
  
  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.
  
  You should have received a copy of the GNU General Public License
  along with GCC; see the file COPYING3.  If not see
  <http://www.gnu.org/licenses/>.  */
  
  #include "config.h"
  #include "system.h"
  #include "coretypes.h"
  #include "tree.h"
  #include "c-common.h"
  
  tree
  objc_is_class_name (tree ARG_UNUSED (arg))
  {
    return 0;
  }
  
  tree
  objc_is_id (tree ARG_UNUSED (arg))
  {
    return 0;
  }
  
  tree
  objc_is_object_ptr (tree ARG_UNUSED (arg))
  {
    return 0;
  }
  
  tree
  objc_lookup_ivar (tree other, tree ARG_UNUSED (arg))
  {
    /* Just use whatever C/C++ found.  */
    return other;
  }
  
  void
  objc_check_decl (tree ARG_UNUSED (decl))
  {
  }
  
  int
  objc_is_reserved_word (tree ARG_UNUSED (ident))
  {
    return 0;
  }
  
  bool
  objc_compare_types (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp),
  		    int ARG_UNUSED (argno), tree ARG_UNUSED (callee))
  {
    return false;
  }
  
  void
  objc_volatilize_decl (tree ARG_UNUSED (decl))
  {
  }
  
  bool
  objc_type_quals_match (tree ARG_UNUSED (ltyp), tree ARG_UNUSED (rtyp))
  {
    return false;
  }
  
  tree
  objc_rewrite_function_call (tree function, tree ARG_UNUSED (first_param))
  {
    return function;
  }
  
  tree
  objc_message_selector (void)
  {
    return 0;
  }
  
  void
  objc_declare_alias (tree ARG_UNUSED (alias), tree ARG_UNUSED (orig))
  {
  }
  
  void
  objc_declare_class (tree ARG_UNUSED (list))
  {
  }
  
  void
  objc_declare_protocols (tree ARG_UNUSED (list))
  {
  }
  
  void
  objc_start_protocol (tree ARG_UNUSED (proto),
  		     tree ARG_UNUSED (protorefs))
  {
  }
  
  void
  objc_start_class_interface (tree ARG_UNUSED (name),
  			    tree ARG_UNUSED (super),
  			    tree ARG_UNUSED (protos))
  {
  }
  
  void
  objc_start_category_interface (tree ARG_UNUSED (name),
  			       tree ARG_UNUSED (categ),
  			       tree ARG_UNUSED (protos))
  {
  }
  
  void
  objc_continue_interface (void)
  {
  }
  
  void
  objc_finish_interface (void)
  {
  }
  
  void
  objc_add_instance_variable (tree ARG_UNUSED (decl))
  {
  }
  
  void
  objc_set_visibility (int ARG_UNUSED (vis))
  {
  }
  
  void
  objc_set_method_type (enum tree_code ARG_UNUSED (code))
  {
  }
  
  void
  objc_start_class_implementation (tree ARG_UNUSED (name),
  				 tree ARG_UNUSED (super))
  {
  }
  
  void
  objc_start_category_implementation (tree ARG_UNUSED (name),
  				    tree ARG_UNUSED (categ))
  {
  }
  
  void
  objc_continue_implementation (void)
  {
  }
  
  void
  objc_clear_super_receiver (void)
  {
  }
  
  void
  objc_finish_implementation (void)
  {
  }
  
  void
  objc_add_method_declaration (tree ARG_UNUSED (signature))
  {
  }
  
  void
  objc_start_method_definition (tree ARG_UNUSED (signature))
  {
  }
  
  void
  objc_finish_method_definition (tree ARG_UNUSED (fndecl))
  {
  }
  
  tree
  objc_build_keyword_decl (tree ARG_UNUSED (selector),
  			 tree ARG_UNUSED (type),
  			 tree ARG_UNUSED (identifier))
  {
    return 0;
  }
  
  tree
  objc_build_method_signature (tree ARG_UNUSED (rettype),
  			     tree ARG_UNUSED (selectors),
  			     tree ARG_UNUSED (optparms),
  			     bool ARG_UNUSED (ellipsis))
  {
    return 0;
  }
  
  tree
  objc_build_encode_expr (tree ARG_UNUSED (expr))
  {
    return 0;
  }
  
  tree
  objc_build_protocol_expr (tree ARG_UNUSED (expr))
  {
    return 0;
  }
  
  tree
  objc_build_selector_expr (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr))
  {
    return 0;
  }
  
  tree
  objc_build_message_expr (tree ARG_UNUSED (expr))
  {
    return 0;
  }
  
  tree
  objc_build_string_object (tree ARG_UNUSED (str))
  {
    return 0;
  }
  
  tree
  objc_get_class_reference (tree ARG_UNUSED (name))
  {
    return 0;
  }
  
  tree
  objc_get_protocol_qualified_type (tree ARG_UNUSED (name),
  				  tree ARG_UNUSED (protos))
  {
    return 0;
  }
  
  int
  objc_static_init_needed_p (void)
  {
    return 0;
  }
  
  tree
  objc_generate_static_init_call (tree ARG_UNUSED (ctors))
  {
    return 0;
  }
  
  int
  objc_is_public (tree ARG_UNUSED (expr), tree ARG_UNUSED (identifier))
  {
    return 1;
  }
  
  tree
  objc_get_class_ivars (tree ARG_UNUSED (name))
  {
    return 0;
  }
  
  tree
  objc_build_throw_stmt (location_t ARG_UNUSED (loc), tree ARG_UNUSED (expr))
  {
    return 0;
  }
  
  tree
  objc_build_synchronized (location_t ARG_UNUSED (start_locus),
  			 tree ARG_UNUSED (mutex), tree ARG_UNUSED (body))
  {
    return 0;
  }
  
  void
  objc_begin_try_stmt (location_t ARG_UNUSED (try_locus), tree ARG_UNUSED (body))
  {
  }
  
  void
  objc_begin_catch_clause (tree ARG_UNUSED (decl))
  {
  }
  
  void
  objc_finish_catch_clause (void)
  {
  }
  
  void
  objc_build_finally_clause (location_t ARG_UNUSED (finally_locus),
  			   tree ARG_UNUSED (body))
  {
  }
  
  tree
  objc_finish_try_stmt (void)
  {
    return 0;
  }
  
  tree
  objc_generate_write_barrier (tree ARG_UNUSED (lhs),
  			     enum tree_code ARG_UNUSED (modifycode),
  			     tree ARG_UNUSED (rhs))
  {
    return 0;
  }
  