gcc/objc/objc-lang.c

   1 /* Language-dependent hooks for Objective-C.
   2    Copyright 2001, 2002 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
  34 #undef LANG_HOOKS_NAME
  35 #define LANG_HOOKS_NAME "GNU Objective-C"
  36 #undef LANG_HOOKS_INIT
  37 #define LANG_HOOKS_INIT objc_init
  38 #undef LANG_HOOKS_FINISH
  39 #define LANG_HOOKS_FINISH c_common_finish
  40 #undef LANG_HOOKS_INIT_OPTIONS
  41 #define LANG_HOOKS_INIT_OPTIONS objc_init_options
  42 #undef LANG_HOOKS_DECODE_OPTION
  43 #define LANG_HOOKS_DECODE_OPTION objc_decode_option
  44 #undef LANG_HOOKS_POST_OPTIONS
  45 #define LANG_HOOKS_POST_OPTIONS c_common_post_options
  46 #undef LANG_HOOKS_GET_ALIAS_SET
  47 #define LANG_HOOKS_GET_ALIAS_SET c_common_get_alias_set
  48 #undef LANG_HOOKS_SAFE_FROM_P
  49 #define LANG_HOOKS_SAFE_FROM_P c_safe_from_p
  50 #undef LANG_HOOKS_PARSE_FILE
  51 #define LANG_HOOKS_PARSE_FILE c_common_parse_file
  52 #undef LANG_HOOKS_EXPAND_EXPR
  53 #define LANG_HOOKS_EXPAND_EXPR c_expand_expr
  54 #undef LANG_HOOKS_MARK_ADDRESSABLE
  55 #define LANG_HOOKS_MARK_ADDRESSABLE c_mark_addressable
  56 #undef LANG_HOOKS_TRUTHVALUE_CONVERSION
  57 #define LANG_HOOKS_TRUTHVALUE_CONVERSION c_common_truthvalue_conversion
  58 #undef LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES
  59 #define LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES c_insert_default_attributes
  60 #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
  61 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL c_finish_incomplete_decl
  62 #undef LANG_HOOKS_UNSAFE_FOR_REEVAL
  63 #define LANG_HOOKS_UNSAFE_FOR_REEVAL c_common_unsafe_for_reeval
  64 #undef LANG_HOOKS_STATICP
  65 #define LANG_HOOKS_STATICP c_staticp
  66 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
  67 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL c_dup_lang_specific_decl
  68 #undef LANG_HOOKS_PRINT_IDENTIFIER
  69 #define LANG_HOOKS_PRINT_IDENTIFIER c_print_identifier
  70 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
  71 #define LANG_HOOKS_DECL_PRINTABLE_NAME objc_printable_name
  72 #undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
  73 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL c_warn_unused_global_decl
  74
  75 #undef LANG_HOOKS_FUNCTION_ENTER_NESTED
  76 #define LANG_HOOKS_FUNCTION_ENTER_NESTED c_push_function_context
  77 #undef LANG_HOOKS_FUNCTION_LEAVE_NESTED
  78 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED c_pop_function_context
  79
  80 /* Attribute hooks.  */
  81 #undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
  82 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
  83 #undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
  84 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
  85
  86 /* Inlining hooks same as the C front end.  */
  87 #undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
  88 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  89   c_cannot_inline_tree_fn
  90 #undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
  91 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  92   c_disregard_inline_limits
  93 #undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
  94 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  95   anon_aggr_type_p
  96 #undef LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING
  97 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
  98   c_convert_parm_for_inlining
  99
 100 #undef LANG_HOOKS_TYPE_FOR_MODE
 101 #define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
 102 #undef LANG_HOOKS_TYPE_FOR_SIZE
 103 #define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
 104 #undef LANG_HOOKS_SIGNED_TYPE
 105 #define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
 106 #undef LANG_HOOKS_UNSIGNED_TYPE
 107 #define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
 108 #undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
 109 #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
 110 #undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
 111 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR c_incomplete_type_error
 112 #undef LANG_HOOKS_TYPE_PROMOTES_TO
 113 #define LANG_HOOKS_TYPE_PROMOTES_TO c_type_promotes_to
 114
 115 /* Each front end provides its own hooks, for toplev.c.  */
 116 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
 117
 118 /* Define the special tree codes that we use.  */
 119
 120 /* Table indexed by tree code giving a string containing a character
 121    classifying the tree code.  */
 122
 123 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
 124
 125 const char tree_code_type[] = {
 126 #include "tree.def"
 127   'x',
 128 #include "c-common.def"
 129   'x',
 130 #include "objc-tree.def"
 131 };
 132 #undef DEFTREECODE
 133
 134 /* Table indexed by tree code giving number of expression
 135    operands beyond the fixed part of the node structure.
 136    Not used for types or decls.  */
 137
 138 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
 139
 140 const unsigned char tree_code_length[] = {
 141 #include "tree.def"
 142   0,
 143 #include "c-common.def"
 144   0,
 145 #include "objc-tree.def"
 146 };
 147 #undef DEFTREECODE
 148
 149 /* Names of tree components.
 150    Used for printing out the tree and error messages.  */
 151 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
 152
 153 const char * const tree_code_name[] = {
 154 #include "tree.def"
 155   "@@dummy",
 156 #include "c-common.def"
 157   "@@dummy",
 158 #include "objc-tree.def"
 159 };
 160 #undef DEFTREECODE
 161
 162 static void
 163 objc_init_options ()
 164 {
 165   c_common_init_options (clk_objective_c);
 166 }