gcc/langhooks-def.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_DEF_H
  23 #define GCC_LANG_HOOKS_DEF_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    Prefix all default hooks with "lhd_".  */
  37
  38 /* See langhooks.h for the definition and documentation of each hook.  */
  39
  40 extern void lhd_do_nothing PARAMS ((void));
  41 extern void lhd_do_nothing_t PARAMS ((tree));
  42 extern int lhd_decode_option PARAMS ((int, char **));
  43 extern HOST_WIDE_INT lhd_get_alias_set PARAMS ((tree));
  44 extern tree lhd_return_tree PARAMS ((tree));
  45 extern int lhd_safe_from_p PARAMS ((rtx, tree));
  46 extern int lhd_staticp PARAMS ((tree));
  47 extern void lhd_clear_binding_stack PARAMS ((void));
  48 extern void lhd_print_tree_nothing PARAMS ((FILE *, tree, int));
  49 extern void lhd_set_yydebug PARAMS ((int));
  50
  51 /* Declarations of default tree inlining hooks.  */
  52 tree lhd_tree_inlining_walk_subtrees            PARAMS ((tree *, int *,
  53                                                          walk_tree_fn,
  54                                                          void *, void *));
  55 int lhd_tree_inlining_cannot_inline_tree_fn     PARAMS ((tree *));
  56 int lhd_tree_inlining_disregard_inline_limits   PARAMS ((tree));
  57 tree lhd_tree_inlining_add_pending_fn_decls     PARAMS ((void *, tree));
  58 int lhd_tree_inlining_tree_chain_matters_p      PARAMS ((tree));
  59 int lhd_tree_inlining_auto_var_in_fn_p          PARAMS ((tree, tree));
  60 tree lhd_tree_inlining_copy_res_decl_for_inlining PARAMS ((tree, tree,
  61                                                            tree, void *,
  62                                                            int *, void *));
  63 int lhd_tree_inlining_anon_aggr_type_p          PARAMS ((tree));
  64 int lhd_tree_inlining_start_inlining            PARAMS ((tree));
  65 void lhd_tree_inlining_end_inlining             PARAMS ((tree));
  66
  67 #define LANG_HOOKS_NAME                 "GNU unknown"
  68 #define LANG_HOOKS_IDENTIFIER_SIZE      sizeof (struct lang_identifier)
  69 #define LANG_HOOKS_INIT                 lhd_do_nothing
  70 #define LANG_HOOKS_FINISH               lhd_do_nothing
  71 #define LANG_HOOKS_CLEAR_BINDING_STACK  lhd_clear_binding_stack
  72 #define LANG_HOOKS_INIT_OPTIONS         lhd_do_nothing
  73 #define LANG_HOOKS_DECODE_OPTION        lhd_decode_option
  74 #define LANG_HOOKS_POST_OPTIONS         lhd_do_nothing
  75 #define LANG_HOOKS_GET_ALIAS_SET        lhd_get_alias_set
  76 #define LANG_HOOKS_EXPAND_CONSTANT      lhd_return_tree
  77 #define LANG_HOOKS_SAFE_FROM_P          lhd_safe_from_p
  78 #define LANG_HOOKS_STATICP              lhd_staticp
  79 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
  80 #define LANG_HOOKS_UNSAVE_EXPR_NOW      lhd_unsave_expr_now
  81 #define LANG_HOOKS_HONOR_READONLY       false
  82 #define LANG_HOOKS_PRINT_STATISTICS     lhd_do_nothing
  83 #define LANG_HOOKS_PRINT_XNODE          lhd_print_tree_nothing
  84 #define LANG_HOOKS_PRINT_DECL           lhd_print_tree_nothing
  85 #define LANG_HOOKS_PRINT_TYPE           lhd_print_tree_nothing
  86 #define LANG_HOOKS_PRINT_IDENTIFIER     lhd_print_tree_nothing
  87 #define LANG_HOOKS_SET_YYDEBUG          lhd_set_yydebug
  88
  89 /* Tree inlining hooks.  */
  90 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
  91 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  92   lhd_tree_inlining_cannot_inline_tree_fn
  93 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  94   lhd_tree_inlining_disregard_inline_limits
  95 #define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
  96   lhd_tree_inlining_add_pending_fn_decls
  97 #define LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P \
  98   lhd_tree_inlining_tree_chain_matters_p
  99 #define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
 100   lhd_tree_inlining_auto_var_in_fn_p
 101 #define LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING \
 102   lhd_tree_inlining_copy_res_decl_for_inlining
 103 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
 104   lhd_tree_inlining_anon_aggr_type_p
 105 #define LANG_HOOKS_TREE_INLINING_START_INLINING \
 106   lhd_tree_inlining_start_inlining
 107 #define LANG_HOOKS_TREE_INLINING_END_INLINING \
 108   lhd_tree_inlining_end_inlining
 109
 110 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
 111   LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
 112   LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
 113   LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
 114   LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
 115   LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P, \
 116   LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
 117   LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING, \
 118   LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, \
 119   LANG_HOOKS_TREE_INLINING_START_INLINING, \
 120   LANG_HOOKS_TREE_INLINING_END_INLINING \
 121 } \
 122
 123 /* Tree dump hooks.  */
 124 int lhd_tree_dump_dump_tree                     PARAMS ((void *, tree));
 125 int lhd_tree_dump_type_quals                    PARAMS ((tree));
 126
 127 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
 128 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
 129
 130 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
 131   LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
 132   LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
 133 } \
 134
 135 /* The whole thing.  The structure is defined in langhooks.h.  */
 136 #define LANG_HOOKS_INITIALIZER { \
 137   LANG_HOOKS_NAME, \
 138   LANG_HOOKS_IDENTIFIER_SIZE, \
 139   LANG_HOOKS_INIT_OPTIONS, \
 140   LANG_HOOKS_DECODE_OPTION, \
 141   LANG_HOOKS_POST_OPTIONS, \
 142   LANG_HOOKS_INIT, \
 143   LANG_HOOKS_FINISH, \
 144   LANG_HOOKS_CLEAR_BINDING_STACK, \
 145   LANG_HOOKS_GET_ALIAS_SET, \
 146   LANG_HOOKS_EXPAND_CONSTANT, \
 147   LANG_HOOKS_SAFE_FROM_P, \
 148   LANG_HOOKS_STATICP, \
 149   LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
 150   LANG_HOOKS_UNSAVE_EXPR_NOW, \
 151   LANG_HOOKS_HONOR_READONLY, \
 152   LANG_HOOKS_PRINT_STATISTICS, \
 153   LANG_HOOKS_PRINT_XNODE, \
 154   LANG_HOOKS_PRINT_DECL, \
 155   LANG_HOOKS_PRINT_TYPE, \
 156   LANG_HOOKS_PRINT_IDENTIFIER, \
 157   LANG_HOOKS_SET_YYDEBUG, \
 158   LANG_HOOKS_TREE_INLINING_INITIALIZER, \
 159   LANG_HOOKS_TREE_DUMP_INITIALIZER \
 160 }
 161
 162 #endif /* GCC_LANG_HOOKS_DEF_H */