/* Default macros to initialize the lang_hooks data structure.
   Copyright 2001 Free Software Foundation, Inc.
   Contributed by Alexandre Oliva  <aoliva@redhat.com>

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.  */

#ifndef GCC_LANG_HOOKS_H
#define GCC_LANG_HOOKS_H

/* Provide a hook routine for alias sets that always returns 1.  This is
   used by languages that haven't deal with alias sets yet.  */
extern HOST_WIDE_INT hook_get_alias_set_0	PARAMS ((tree));

/* Note to creators of new hooks:

   The macros in this file should NOT be surrounded by a
   #ifdef...#endif pair, since this file declares the defaults.  Each
   front end overrides any hooks it wishes to, in the file containing
   its struct lang_hooks, AFTER including this file.  */

/* See toplev.h for the definition and documentation of each hook.  */

extern void lang_hook_default_do_nothing PARAMS ((void));
extern int lang_hook_default_decode_option PARAMS ((int, char **));
extern HOST_WIDE_INT lang_hook_default_get_alias_set PARAMS ((tree));
extern void lang_hook_default_clear_binding_stack PARAMS ((void));

#define LANG_HOOKS_INIT			lang_hook_default_do_nothing
#define LANG_HOOKS_FINISH		lang_hook_default_do_nothing
#define LANG_HOOKS_CLEAR_BINDING_STACK	lang_hook_default_clear_binding_stack
#define LANG_HOOKS_INIT_OPTIONS		lang_hook_default_do_nothing
#define LANG_HOOKS_DECODE_OPTION	lang_hook_default_decode_option
#define LANG_HOOKS_POST_OPTIONS		lang_hook_default_do_nothing
#define LANG_HOOKS_GET_ALIAS_SET	lang_hook_default_get_alias_set

#define LANG_HOOKS_HONOR_READONLY	false

/* Declarations of default tree inlining hooks.  */
tree tree_inlining_default_hook_walk_subtrees		PARAMS ((tree *, int *,
								 walk_tree_fn,
								 void *,
								 void *));
int tree_inlining_default_hook_cannot_inline_tree_fn	PARAMS ((tree *));
int tree_inlining_default_hook_disregard_inline_limits	PARAMS ((tree));
tree tree_inlining_default_hook_add_pending_fn_decls	PARAMS ((void *,
								 tree));
int tree_inlining_default_hook_tree_chain_matters_p	PARAMS ((tree));
int tree_inlining_default_hook_auto_var_in_fn_p		PARAMS ((tree, tree));
tree tree_inlining_default_hook_copy_res_decl_for_inlining PARAMS ((tree, tree,
								    tree,
								    void *,
								    int *,
								    void *));
int tree_inlining_default_hook_anon_aggr_type_p		PARAMS ((tree));

/* Tree inlining hooks.  */
#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
  tree_inlining_default_hook_walk_subtrees
#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  tree_inlining_default_hook_cannot_inline_tree_fn
#define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  tree_inlining_default_hook_disregard_inline_limits
#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
  tree_inlining_default_hook_add_pending_fn_decls
#define LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P \
  tree_inlining_default_hook_tree_chain_matters_p
#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
  tree_inlining_default_hook_auto_var_in_fn_p
#define LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING \
  tree_inlining_default_hook_copy_res_decl_for_inlining
#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  tree_inlining_default_hook_anon_aggr_type_p

#define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
  LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
  LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
  LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
  LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
  LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P, \
  LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
  LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING, \
  LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
} \

/* The whole thing.  The structure is defined in toplev.h.  */
#define LANG_HOOKS_INITIALIZER { \
  LANG_HOOKS_INIT, \
  LANG_HOOKS_FINISH, \
  LANG_HOOKS_CLEAR_BINDING_STACK, \
  LANG_HOOKS_INIT_OPTIONS, \
  LANG_HOOKS_DECODE_OPTION, \
  LANG_HOOKS_POST_OPTIONS, \
  LANG_HOOKS_GET_ALIAS_SET, \
  LANG_HOOKS_HONOR_READONLY, \
  LANG_HOOKS_TREE_INLINING_INITIALIZER \
}

#endif /* GCC_LANG_HOOKS_H */