gcc/objc/objc-lang.c

   1 /* Language-dependent hooks for Objective-C.
   2    Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   3    Contributed by Ziemowit Laski  <zlaski@apple.com>
   4
   5 This file is part of GCC.
   6
   7 GCC 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 GCC 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 GCC; 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 "coretypes.h"
  25 #include "tm.h"
  26 #include "tree.h"
  27 #include "c-tree.h"
  28 #include "c-common.h"
  29 #include "ggc.h"
  30 #include "objc-act.h"
  31 #include "langhooks.h"
  32 #include "langhooks-def.h"
  33 #include "diagnostic.h"
  34 #include "c-pretty-print.h"
  35 #include "c-objc-common.h"
  36
  37 enum c_language_kind c_language = clk_objc;
  38
  39 /* Lang hooks common to C and ObjC are declared in c-objc-common.h;
  40    consequently, there should be very few hooks below.  */
  41
  42 #undef LANG_HOOKS_NAME
  43 #define LANG_HOOKS_NAME "GNU Objective-C"
  44 #undef LANG_HOOKS_INIT
  45 #define LANG_HOOKS_INIT objc_init
  46 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
  47 #define LANG_HOOKS_DECL_PRINTABLE_NAME objc_printable_name
  48 #undef LANG_HOOKS_TYPES_COMPATIBLE_P
  49 #define LANG_HOOKS_TYPES_COMPATIBLE_P objc_types_compatible_p
  50
  51 /* Each front end provides its own lang hook initializer.  */
  52 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
  53
  54 /* Table indexed by tree code giving a string containing a character
  55    classifying the tree code.  */
  56
  57 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
  58
  59 const enum tree_code_class tree_code_type[] = {
  60 #include "tree.def"
  61   tcc_exceptional,
  62 #include "c-common.def"
  63   tcc_exceptional,
  64 #include "objc-tree.def"
  65 };
  66 #undef DEFTREECODE
  67
  68 /* Table indexed by tree code giving number of expression
  69    operands beyond the fixed part of the node structure.
  70    Not used for types or decls.  */
  71
  72 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
  73
  74 const unsigned char tree_code_length[] = {
  75 #include "tree.def"
  76   0,
  77 #include "c-common.def"
  78   0,
  79 #include "objc-tree.def"
  80 };
  81 #undef DEFTREECODE
  82
  83 /* Names of tree components.
  84    Used for printing out the tree and error messages.  */
  85 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
  86
  87 const char * const tree_code_name[] = {
  88 #include "tree.def"
  89   "@@dummy",
  90 #include "c-common.def"
  91   "@@dummy",
  92 #include "objc-tree.def"
  93 };
  94 #undef DEFTREECODE
  95
  96 /* Lang hook routines common to C and ObjC appear in c-objc-common.c;
  97    there should be very few (if any) routines below.  */
  98
  99 void
 100 finish_file (void)
 101 {
 102   objc_finish_file ();
 103 }
 104
 105 #include "gtype-objc.h"