gcc/objc/objc-lang.c

   1 /* Language-dependent hooks for Objective-C.
   2    Copyright 2001, 2002, 2003, 2004, 2005, 2007, 2008
   3    Free Software Foundation, Inc.
   4    Contributed by Ziemowit Laski  <zlaski@apple.com>
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "coretypes.h"
  26 #include "tm.h"
  27 #include "tree.h"
  28 #include "c-tree.h"
  29 #include "c-family/c-common.h"
  30 #include "ggc.h"
  31 #include "objc-act.h"
  32 #include "langhooks.h"
  33 #include "langhooks-def.h"
  34 #include "c-objc-common.h"
  35
  36 enum c_language_kind c_language = clk_objc;
  37 static void objc_init_ts (void);
  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_GIMPLIFY_EXPR
  49 #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr
  50 #undef LANG_HOOKS_INIT_TS
  51 #define LANG_HOOKS_INIT_TS objc_init_ts
  52
  53 #ifndef OBJCPLUS
  54 #undef LANG_HOOKS_EH_PERSONALITY
  55 #define LANG_HOOKS_EH_PERSONALITY objc_eh_personality
  56 #undef LANG_HOOKS_EH_RUNTIME_TYPE
  57 #define LANG_HOOKS_EH_RUNTIME_TYPE objc_eh_runtime_type
  58 #endif
  59
  60 /* Each front end provides its own lang hook initializer.  */
  61 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
  62
  63 /* Lang hook routines common to C and ObjC appear in c-objc-common.c;
  64    there should be very few (if any) routines below.  */
  65
  66 static void
  67 objc_init_ts (void)
  68 {
  69   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_NON_COMMON] = 1;
  70   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_NON_COMMON] = 1;
  71   tree_contains_struct[KEYWORD_DECL][TS_DECL_NON_COMMON] = 1;
  72   tree_contains_struct[PROPERTY_DECL][TS_DECL_NON_COMMON] = 1;
  73
  74   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_WITH_VIS] = 1;
  75   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_WITH_VIS] = 1;
  76   tree_contains_struct[KEYWORD_DECL][TS_DECL_WITH_VIS] = 1;
  77   tree_contains_struct[PROPERTY_DECL][TS_DECL_WITH_VIS] = 1;
  78
  79   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_WRTL] = 1;
  80   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_WRTL] = 1;
  81   tree_contains_struct[KEYWORD_DECL][TS_DECL_WRTL] = 1;
  82   tree_contains_struct[PROPERTY_DECL][TS_DECL_WRTL] = 1;
  83
  84   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_MINIMAL] = 1;
  85   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_MINIMAL] = 1;
  86   tree_contains_struct[KEYWORD_DECL][TS_DECL_MINIMAL] = 1;
  87   tree_contains_struct[PROPERTY_DECL][TS_DECL_MINIMAL] = 1;
  88
  89   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_COMMON] = 1;
  90   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_COMMON] = 1;
  91   tree_contains_struct[KEYWORD_DECL][TS_DECL_COMMON] = 1;
  92   tree_contains_struct[PROPERTY_DECL][TS_DECL_COMMON] = 1;
  93 }
  94
  95 #include "gtype-objc.h"