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
lang_decode_option(p)30 lang_decode_option (p)
31 char *p;
32 {
33 return c_decode_option (p);
34 }
35
36 void
lang_init()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
lang_finish()46 lang_finish ()
47 {
48 }
49
50 char *
lang_identify()51 lang_identify ()
52 {
53 return "c";
54 }
55
56 void
print_lang_statistics()57 print_lang_statistics ()
58 {
59 }
60
61 /* Used by c-lex.c, but only for objc. */
62
63 tree
lookup_interface(arg)64 lookup_interface (arg)
65 tree arg;
66 {
67 return 0;
68 }
69
70 tree
is_class_name(arg)71 is_class_name (arg)
72 tree arg;
73 {
74 return 0;
75 }
76
77 void
maybe_objc_check_decl(decl)78 maybe_objc_check_decl (decl)
79 tree decl;
80 {
81 }
82
83 int
maybe_objc_comptypes(lhs,rhs,reflexive)84 maybe_objc_comptypes (lhs, rhs, reflexive)
85 tree lhs, rhs;
86 int reflexive;
87 {
88 return -1;
89 }
90
91 tree
maybe_objc_method_name(decl)92 maybe_objc_method_name (decl)
93 tree decl;
94 {
95 return 0;
96 }
97
98 tree
maybe_building_objc_message_expr()99 maybe_building_objc_message_expr ()
100 {
101 return 0;
102 }
103
104 int
recognize_objc_keyword()105 recognize_objc_keyword ()
106 {
107 return 0;
108 }
109
110 tree
build_objc_string(len,str)111 build_objc_string (len, str)
112 int len;
113 char *str;
114 {
115 abort ();
116 return NULL_TREE;
117 }
118
119 void
GNU_xref_begin()120 GNU_xref_begin ()
121 {
122 fatal ("GCC does not yet support XREF");
123 }
124
125 void
GNU_xref_end()126 GNU_xref_end ()
127 {
128 fatal ("GCC does not yet support XREF");
129 }
130