gcc/cp/cp-lang.c

   1 /* Language-dependent hooks for C++.
   2    Copyright 2001, 2002, 2004 Free Software Foundation, Inc.
   3    Contributed by Alexandre Oliva  <aoliva@redhat.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 "cp-tree.h"
  28 #include "c-common.h"
  29 #include "toplev.h"
  30 #include "langhooks.h"
  31 #include "langhooks-def.h"
  32 #include "diagnostic.h"
  33 #include "cxx-pretty-print.h"
  34 #include "debug.h"
  35 #include "cp-objcp-common.h"
  36
  37 enum c_language_kind c_language = clk_cxx;
  38
  39 /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
  40    consequently, there should be very few hooks below.  */
  41
  42 #undef LANG_HOOKS_NAME
  43 #define LANG_HOOKS_NAME "GNU C++"
  44 #undef LANG_HOOKS_INIT
  45 #define LANG_HOOKS_INIT cxx_init
  46 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
  47 #define LANG_HOOKS_DECL_PRINTABLE_NAME  cxx_printable_name
  48 #undef LANG_HOOKS_FOLD_OBJ_TYPE_REF
  49 #define LANG_HOOKS_FOLD_OBJ_TYPE_REF cp_fold_obj_type_ref
  50
  51 /* Each front end provides its own lang hook initializer.  */
  52 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
  53
  54 /* Tree code classes.  */
  55
  56 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
  57
  58 const enum tree_code_class tree_code_type[] = {
  59 #include "tree.def"
  60   tcc_exceptional,
  61 #include "c-common.def"
  62   tcc_exceptional,
  63 #include "cp-tree.def"
  64 };
  65 #undef DEFTREECODE
  66
  67 /* Table indexed by tree code giving number of expression
  68    operands beyond the fixed part of the node structure.
  69    Not used for types or decls.  */
  70
  71 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
  72
  73 const unsigned char tree_code_length[] = {
  74 #include "tree.def"
  75   0,
  76 #include "c-common.def"
  77   0,
  78 #include "cp-tree.def"
  79 };
  80 #undef DEFTREECODE
  81
  82 /* Names of tree components.
  83    Used for printing out the tree and error messages.  */
  84 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
  85
  86 const char *const tree_code_name[] = {
  87 #include "tree.def"
  88   "@@dummy",
  89 #include "c-common.def"
  90   "@@dummy",
  91 #include "cp-tree.def"
  92 };
  93 #undef DEFTREECODE
  94
  95 /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;
  96    there should be very few routines below.  */
  97
  98 /* The following function does something real, but only in Objective-C++.  */
  99
 100 tree
 101 objcp_tsubst_copy_and_build (tree t ATTRIBUTE_UNUSED,
 102                              tree args ATTRIBUTE_UNUSED,
 103                              tsubst_flags_t complain ATTRIBUTE_UNUSED,
 104                              tree in_decl ATTRIBUTE_UNUSED,
 105                              bool function_p ATTRIBUTE_UNUSED)
 106 {
 107   return NULL_TREE;
 108 }
 109
 110 void
 111 finish_file (void)
 112 {
 113   cp_finish_file ();
 114 }
 115
 116 #include "gtype-cp.h"