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 #undef LANG_HOOKS_FUNCTION_ENTER_NESTED
  77 #define LANG_HOOKS_FUNCTION_ENTER_NESTED c_push_function_context
  78 #undef LANG_HOOKS_FUNCTION_LEAVE_NESTED
  79 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED c_pop_function_context
  80 #undef LANG_HOOKS_FUNCTION_MARK
  81 #define LANG_HOOKS_FUNCTION_MARK c_mark_function_context
  82
  83 /* Attribute hooks.  */
  84 #undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
  85 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
  86 #undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
  87 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
  88
  89 /* Inlining hooks same as the C front end.  */
  90 #undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
  91 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
  92   c_cannot_inline_tree_fn
  93 #undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
  94 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
  95   c_disregard_inline_limits
  96 #undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
  97 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
  98   anon_aggr_type_p
  99 #undef LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING
 100 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
 101   c_convert_parm_for_inlining
 102
 103 #undef LANG_HOOKS_TYPE_FOR_MODE
 104 #define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
 105 #undef LANG_HOOKS_TYPE_FOR_SIZE
 106 #define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
 107 #undef LANG_HOOKS_SIGNED_TYPE
 108 #define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
 109 #undef LANG_HOOKS_UNSIGNED_TYPE
 110 #define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
 111 #undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
 112 #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
 113 #undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
 114 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR c_incomplete_type_error
 115 #undef LANG_HOOKS_TYPE_PROMOTES_TO
 116 #define LANG_HOOKS_TYPE_PROMOTES_TO c_type_promotes_to
 117
 118 /* Each front end provides its own hooks, for toplev.c.  */
 119 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
 120
 121 /* Define the special tree codes that we use.  */
 122
 123 /* Table indexed by tree code giving a string containing a character
 124    classifying the tree code.  */
 125
 126 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
 127
 128 const char tree_code_type[] = {
 129 #include "tree.def"
 130   'x',
 131 #include "c-common.def"
 132   'x',
 133 #include "objc-tree.def"
 134 };
 135 #undef DEFTREECODE
 136
 137 /* Table indexed by tree code giving number of expression
 138    operands beyond the fixed part of the node structure.
 139    Not used for types or decls.  */
 140
 141 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
 142
 143 const unsigned char tree_code_length[] = {
 144 #include "tree.def"
 145   0,
 146 #include "c-common.def"
 147   0,
 148 #include "objc-tree.def"
 149 };
 150 #undef DEFTREECODE
 151
 152 /* Names of tree components.
 153    Used for printing out the tree and error messages.  */
 154 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
 155
 156 const char * const tree_code_name[] = {
 157 #include "tree.def"
 158   "@@dummy",
 159 #include "c-common.def"
 160   "@@dummy",
 161 #include "objc-tree.def"
 162 };
 163 #undef DEFTREECODE
 164
 165 static void
 166 objc_init_options ()
 167 {
 168   c_common_init_options (clk_objective_c);
 169 }
 170
 171 /* Post-switch processing.  */
 172
 173 static void
 174 objc_post_options ()
 175 {
 176   c_common_post_options ();
 177 }
 178
 179