gcc/c-lang.c

   1 /* Language-specific hook definitions for C front end.
   2    Copyright (C) 1991, 1995, 1997, 1998,
   3    1999, 2000, 2001 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "tree.h"
  26 #include "c-tree.h"
  27 #include "langhooks.h"
  28 #include "langhooks-def.h"
  29
  30 static const char *c_init PARAMS ((const char *));
  31 static void c_init_options PARAMS ((void));
  32
  33 /* ### When changing hooks, consider if ObjC needs changing too!! ### */
  34
  35 #undef LANG_HOOKS_NAME
  36 #define LANG_HOOKS_NAME "GNU C"
  37 #undef LANG_HOOKS_INIT
  38 #define LANG_HOOKS_INIT c_init
  39 #undef LANG_HOOKS_FINISH
  40 #define LANG_HOOKS_FINISH c_common_finish
  41 #undef LANG_HOOKS_INIT_OPTIONS
  42 #define LANG_HOOKS_INIT_OPTIONS c_init_options
  43 #undef LANG_HOOKS_DECODE_OPTION
  44 #define LANG_HOOKS_DECODE_OPTION c_decode_option
  45 #undef LANG_HOOKS_POST_OPTIONS
  46 #define LANG_HOOKS_POST_OPTIONS c_common_post_options
  47 #undef LANG_HOOKS_GET_ALIAS_SET
  48 #define LANG_HOOKS_GET_ALIAS_SET c_common_get_alias_set
  49 #undef LANG_HOOKS_SAFE_FROM_P
  50 #define LANG_HOOKS_SAFE_FROM_P c_safe_from_p
  51 #undef LANG_HOOKS_STATICP
  52 #define LANG_HOOKS_STATICP c_staticp
  53 #undef LANG_HOOKS_PRINT_IDENTIFIER
  54 #define LANG_HOOKS_PRINT_IDENTIFIER c_print_identifier
  55 #undef LANG_HOOKS_SET_YYDEBUG
  56 #define LANG_HOOKS_SET_YYDEBUG c_set_yydebug
  57
  58 #undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
  59 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  60   c_cannot_inline_tree_fn
  61 #undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
  62 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  63   c_disregard_inline_limits
  64 #undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
  65 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  66   anon_aggr_type_p
  67 #undef LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING
  68 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
  69   c_convert_parm_for_inlining
  70
  71 /* ### When changing hooks, consider if ObjC needs changing too!! ### */
  72
  73 /* Each front end provides its own.  */
  74 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
  75
  76 static void
  77 c_init_options ()
  78 {
  79   c_common_init_options (clk_c);
  80 }
  81
  82 static const char *
  83 c_init (filename)
  84      const char *filename;
  85 {
  86   return c_objc_common_init (filename);
  87 }
  88
  89 /* Used by c-lex.c, but only for objc.  */
  90
  91 tree
  92 lookup_interface (arg)
  93      tree arg ATTRIBUTE_UNUSED;
  94 {
  95   return 0;
  96 }
  97
  98 tree
  99 is_class_name (arg)
 100     tree arg ATTRIBUTE_UNUSED;
 101 {
 102   return 0;
 103 }
 104
 105 void
 106 maybe_objc_check_decl (decl)
 107      tree decl ATTRIBUTE_UNUSED;
 108 {
 109 }
 110
 111 int
 112 maybe_objc_comptypes (lhs, rhs, reflexive)
 113      tree lhs ATTRIBUTE_UNUSED;
 114      tree rhs ATTRIBUTE_UNUSED;
 115      int reflexive ATTRIBUTE_UNUSED;
 116 {
 117   return -1;
 118 }
 119
 120 tree
 121 maybe_building_objc_message_expr ()
 122 {
 123   return 0;
 124 }
 125
 126 int
 127 recognize_objc_keyword ()
 128 {
 129   return 0;
 130 }
 131
 132 /* Used by c-typeck.c (build_external_ref), but only for objc.  */
 133
 134 tree
 135 lookup_objc_ivar (id)
 136      tree id ATTRIBUTE_UNUSED;
 137 {
 138   return 0;
 139 }
 140
 141 void
 142 finish_file ()
 143 {
 144   c_objc_common_finish_file ();
 145 }