gcc/objc/objc-lang.c

   1 /* Language-dependent hooks for Objective-C.
   2    Copyright 2001 Free Software Foundation, Inc.
   3    Contributed by Ziemowit Laski  <zlaski@apple.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 #include "config.h"
  23 #include "system.h"
  24 #include "tree.h"
  25 #include "c-tree.h"
  26 #include "c-common.h"
  27 #include "toplev.h"
  28 #include "objc-act.h"
  29 #include "langhooks.h"
  30 #include "langhooks-def.h"
  31
  32 static void objc_init_options                   PARAMS ((void));
  33 static void objc_post_options                   PARAMS ((void));
  34
  35 #undef LANG_HOOKS_NAME
  36 #define LANG_HOOKS_NAME "GNU Objective-C"
  37 #undef LANG_HOOKS_INIT
  38 #define LANG_HOOKS_INIT objc_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 objc_init_options
  43 #undef LANG_HOOKS_DECODE_OPTION
  44 #define LANG_HOOKS_DECODE_OPTION objc_decode_option
  45 #undef LANG_HOOKS_POST_OPTIONS
  46 #define LANG_HOOKS_POST_OPTIONS objc_post_options
  47 #undef LANG_HOOKS_PARSE_FILE
  48 #define LANG_HOOKS_PARSE_FILE c_common_parse_file
  49 #undef LANG_HOOKS_MARK_TREE
  50 #define LANG_HOOKS_MARK_TREE c_mark_tree
  51 #undef LANG_HOOKS_EXPAND_EXPR
  52 #define LANG_HOOKS_EXPAND_EXPR c_expand_expr
  53 #undef LANG_HOOKS_MARK_ADDRESSABLE
  54 #define LANG_HOOKS_MARK_ADDRESSABLE c_mark_addressable
  55 #undef LANG_HOOKS_TRUTHVALUE_CONVERSION
  56 #define LANG_HOOKS_TRUTHVALUE_CONVERSION c_common_truthvalue_conversion
  57 #undef LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES
  58 #define LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES c_insert_default_attributes
  59 #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
  60 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL c_finish_incomplete_decl
  61 #undef LANG_HOOKS_UNSAFE_FOR_REEVAL
  62 #define LANG_HOOKS_UNSAFE_FOR_REEVAL c_common_unsafe_for_reeval
  63 #undef LANG_HOOKS_STATICP
  64 #define LANG_HOOKS_STATICP c_staticp
  65 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
  66 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL c_dup_lang_specific_decl
  67 #undef LANG_HOOKS_PRINT_IDENTIFIER
  68 #define LANG_HOOKS_PRINT_IDENTIFIER c_print_identifier
  69 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
  70 #define LANG_HOOKS_DECL_PRINTABLE_NAME objc_printable_name
  71 #undef LANG_HOOKS_SET_YYDEBUG
  72 #define LANG_HOOKS_SET_YYDEBUG c_set_yydebug
  73 #undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
  74 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL c_warn_unused_global_decl
  75
  76 /* Inlining hooks same as the C front end.  */
  77 #undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
  78 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  79   c_cannot_inline_tree_fn
  80 #undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
  81 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  82   c_disregard_inline_limits
  83 #undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
  84 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  85   anon_aggr_type_p
  86 #undef LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING
  87 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
  88   c_convert_parm_for_inlining
  89
  90 #undef LANG_HOOKS_TYPE_FOR_MODE
  91 #define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
  92 #undef LANG_HOOKS_TYPE_FOR_SIZE
  93 #define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
  94 #undef LANG_HOOKS_SIGNED_TYPE
  95 #define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
  96 #undef LANG_HOOKS_UNSIGNED_TYPE
  97 #define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
  98 #undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
  99 #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
 100 #undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
 101 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR c_incomplete_type_error
 102
 103 /* Each front end provides its own hooks, for toplev.c.  */
 104 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
 105
 106 /* Define the special tree codes that we use.  */
 107
 108 /* Table indexed by tree code giving a string containing a character
 109    classifying the tree code.  */
 110
 111 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
 112
 113 const char tree_code_type[] = {
 114 #include "tree.def"
 115   'x',
 116 #include "c-common.def"
 117   'x',
 118 #include "objc-tree.def"
 119 };
 120 #undef DEFTREECODE
 121
 122 /* Table indexed by tree code giving number of expression
 123    operands beyond the fixed part of the node structure.
 124    Not used for types or decls.  */
 125
 126 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
 127
 128 const unsigned char tree_code_length[] = {
 129 #include "tree.def"
 130   0,
 131 #include "c-common.def"
 132   0,
 133 #include "objc-tree.def"
 134 };
 135 #undef DEFTREECODE
 136
 137 /* Names of tree components.
 138    Used for printing out the tree and error messages.  */
 139 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
 140
 141 const char * const tree_code_name[] = {
 142 #include "tree.def"
 143   "@@dummy",
 144 #include "c-common.def"
 145   "@@dummy",
 146 #include "objc-tree.def"
 147 };
 148 #undef DEFTREECODE
 149
 150 static void
 151 objc_init_options ()
 152 {
 153   c_common_init_options (clk_objective_c);
 154 }
 155
 156 /* Post-switch processing.  */
 157
 158 static void
 159 objc_post_options ()
 160 {
 161   c_common_post_options ();
 162 }
 163
 164