gcc/langhooks.h

   1 /* Default macros to initialize the lang_hooks data structure.
   2    Copyright 2001 Free Software Foundation, Inc.
   3    Contributed by Alexandre Oliva  <aoliva@redhat.com>
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef GCC_LANG_HOOKS_H
  23 #define GCC_LANG_HOOKS_H
  24
  25 /* Provide a hook routine for alias sets that always returns 1.  This is
  26    used by languages that haven't deal with alias sets yet.  */
  27 extern HOST_WIDE_INT hook_get_alias_set_0       PARAMS ((tree));
  28
  29 /* Note to creators of new hooks:
  30
  31    The macros in this file should NOT be surrounded by a
  32    #ifdef...#endif pair, since this file declares the defaults.  Each
  33    front end overrides any hooks it wishes to, in the file containing
  34    its struct lang_hooks, AFTER including this file.  */
  35
  36 /* See toplev.h for the definition and documentation of each hook.  */
  37
  38 extern void lang_hook_default_do_nothing PARAMS ((void));
  39 extern int lang_hook_default_decode_option PARAMS ((int, char **));
  40 extern HOST_WIDE_INT lang_hook_default_get_alias_set PARAMS ((tree));
  41 extern void lang_hook_default_clear_binding_stack PARAMS ((void));
  42
  43 #define LANG_HOOKS_INIT                 lang_hook_default_do_nothing
  44 #define LANG_HOOKS_FINISH               lang_hook_default_do_nothing
  45 #define LANG_HOOKS_CLEAR_BINDING_STACK  lang_hook_default_clear_binding_stack
  46 #define LANG_HOOKS_INIT_OPTIONS         lang_hook_default_do_nothing
  47 #define LANG_HOOKS_DECODE_OPTION        lang_hook_default_decode_option
  48 #define LANG_HOOKS_POST_OPTIONS         lang_hook_default_do_nothing
  49 #define LANG_HOOKS_GET_ALIAS_SET        lang_hook_default_get_alias_set
  50
  51 #define LANG_HOOKS_HONOR_READONLY       false
  52
  53 /* Declarations of default tree inlining hooks.  */
  54 tree tree_inlining_default_hook_walk_subtrees           PARAMS ((tree *, int *,
  55                                                                  walk_tree_fn,
  56                                                                  void *,
  57                                                                  void *));
  58 int tree_inlining_default_hook_cannot_inline_tree_fn    PARAMS ((tree *));
  59 int tree_inlining_default_hook_disregard_inline_limits  PARAMS ((tree));
  60 tree tree_inlining_default_hook_add_pending_fn_decls    PARAMS ((void *,
  61                                                                  tree));
  62 int tree_inlining_default_hook_tree_chain_matters_p     PARAMS ((tree));
  63 int tree_inlining_default_hook_auto_var_in_fn_p         PARAMS ((tree, tree));
  64 tree tree_inlining_default_hook_copy_res_decl_for_inlining PARAMS ((tree, tree,
  65                                                                     tree,
  66                                                                     void *,
  67                                                                     int *,
  68                                                                     void *));
  69 int tree_inlining_default_hook_anon_aggr_type_p         PARAMS ((tree));
  70
  71 /* Tree inlining hooks.  */
  72 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
  73   tree_inlining_default_hook_walk_subtrees
  74 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  75   tree_inlining_default_hook_cannot_inline_tree_fn
  76 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  77   tree_inlining_default_hook_disregard_inline_limits
  78 #define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
  79   tree_inlining_default_hook_add_pending_fn_decls
  80 #define LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P \
  81   tree_inlining_default_hook_tree_chain_matters_p
  82 #define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
  83   tree_inlining_default_hook_auto_var_in_fn_p
  84 #define LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING \
  85   tree_inlining_default_hook_copy_res_decl_for_inlining
  86 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  87   tree_inlining_default_hook_anon_aggr_type_p
  88
  89 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
  90   LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
  91   LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
  92   LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
  93   LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
  94   LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P, \
  95   LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
  96   LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING, \
  97   LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  98 } \
  99
 100 /* The whole thing.  The structure is defined in toplev.h.  */
 101 #define LANG_HOOKS_INITIALIZER { \
 102   LANG_HOOKS_INIT, \
 103   LANG_HOOKS_FINISH, \
 104   LANG_HOOKS_CLEAR_BINDING_STACK, \
 105   LANG_HOOKS_INIT_OPTIONS, \
 106   LANG_HOOKS_DECODE_OPTION, \
 107   LANG_HOOKS_POST_OPTIONS, \
 108   LANG_HOOKS_GET_ALIAS_SET, \
 109   LANG_HOOKS_HONOR_READONLY, \
 110   LANG_HOOKS_TREE_INLINING_INITIALIZER \
 111 }
 112
 113 #endif /* GCC_LANG_HOOKS_H */