gnu/dist/gcc4/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, 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, 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-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_GET_CALLEE_FNDECL
  51 #define LANG_HOOKS_GET_CALLEE_FNDECL    objc_get_callee_fndecl
  52 #undef LANG_HOOKS_INIT_TS
  53 #define LANG_HOOKS_INIT_TS objc_init_ts
  54
  55 /* Each front end provides its own lang hook initializer.  */
  56 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
  57
  58 /* Table indexed by tree code giving a string containing a character
  59    classifying the tree code.  */
  60
  61 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
  62
  63 const enum tree_code_class tree_code_type[] = {
  64 #include "tree.def"
  65   tcc_exceptional,
  66 #include "c-common.def"
  67   tcc_exceptional,
  68 #include "objc-tree.def"
  69 };
  70 #undef DEFTREECODE
  71
  72 /* Table indexed by tree code giving number of expression
  73    operands beyond the fixed part of the node structure.
  74    Not used for types or decls.  */
  75
  76 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
  77
  78 const unsigned char tree_code_length[] = {
  79 #include "tree.def"
  80   0,
  81 #include "c-common.def"
  82   0,
  83 #include "objc-tree.def"
  84 };
  85 #undef DEFTREECODE
  86
  87 /* Names of tree components.
  88    Used for printing out the tree and error messages.  */
  89 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
  90
  91 const char * const tree_code_name[] = {
  92 #include "tree.def"
  93   "@@dummy",
  94 #include "c-common.def"
  95   "@@dummy",
  96 #include "objc-tree.def"
  97 };
  98 #undef DEFTREECODE
  99
 100 /* Lang hook routines common to C and ObjC appear in c-objc-common.c;
 101    there should be very few (if any) routines below.  */
 102
 103 static void
 104 objc_init_ts (void)
 105 {
 106   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_NON_COMMON] = 1;
 107   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_NON_COMMON] = 1;
 108   tree_contains_struct[KEYWORD_DECL][TS_DECL_NON_COMMON] = 1;
 109
 110   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_WITH_VIS] = 1;
 111   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_WITH_VIS] = 1;
 112   tree_contains_struct[KEYWORD_DECL][TS_DECL_WITH_VIS] = 1;
 113
 114   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_WRTL] = 1;
 115   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_WRTL] = 1;
 116   tree_contains_struct[KEYWORD_DECL][TS_DECL_WRTL] = 1;
 117
 118   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_MINIMAL] = 1;
 119   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_MINIMAL] = 1;
 120   tree_contains_struct[KEYWORD_DECL][TS_DECL_MINIMAL] = 1;
 121
 122   tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_COMMON] = 1;
 123   tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_COMMON] = 1;
 124   tree_contains_struct[KEYWORD_DECL][TS_DECL_COMMON] = 1;
 125 }
 126
 127 void
 128 finish_file (void)
 129 {
 130   objc_finish_file ();
 131 }
 132
 133 #include "gtype-objc.h"