gcc/c-lang.c

   1 /* Language-specific hook definitions for C front end.
   2    Copyright (C) 1991 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 #include "config.h"
  22 #include "tree.h"
  23 #include <stdio.h>
  24 #include "input.h"
  25
  26 /* Each of the functions defined here
  27    is an alternative to a function in objc-actions.c.  */
  28
  29 int
  30 lang_decode_option (p)
  31      char *p;
  32 {
  33   return c_decode_option (p);
  34 }
  35
  36 void
  37 lang_init ()
  38 {
  39   /* the beginning of the file is a new line; check for # */
  40   /* With luck, we discover the real source file's name from that
  41      and put it in input_filename.  */
  42   ungetc (check_newline (), finput);
  43 }
  44
  45 void
  46 lang_finish ()
  47 {
  48 }
  49
  50 /* Used by c-lex.c, but only for objc.  */
  51 tree
  52 lookup_interface (arg)
  53      tree arg;
  54 {
  55   return 0;
  56 }
  57
  58 void
  59 maybe_objc_check_decl (decl)
  60      tree decl;
  61 {
  62 }
  63
  64 int
  65 maybe_objc_comptypes (lhs, rhs)
  66      tree lhs, rhs;
  67 {
  68   return 0;
  69 }
  70
  71 tree
  72 maybe_building_objc_message_expr ()
  73 {
  74   return 0;
  75 }
  76
  77 int
  78 recognize_objc_keyword ()
  79 {
  80   return 0;
  81 }
  82
  83 void
  84 print_lang_statistics ()
  85 {
  86 }
  87
  88 void
  89 GNU_xref_begin ()
  90 {
  91   fatal ("GCC does not yet support XREF");
  92 }
  93
  94 void
  95 GNU_xref_end ()
  96 {
  97   fatal ("GCC does not yet support XREF");
  98 }