]> gcc.gnu.org Git - gcc.git/blob - gcc/c-lang.c
Edit to add a missing $(exeext) for CCCP.
[gcc.git] / gcc / c-lang.c
1 /* Language-specific hook definitions for C front end.
2 Copyright (C) 1991, 1995 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, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21
22 #include "config.h"
23 #include "tree.h"
24 #include <stdio.h>
25 #include "input.h"
26
27 /* Each of the functions defined here
28 is an alternative to a function in objc-actions.c. */
29
30 int
31 lang_decode_option (p)
32 char *p;
33 {
34 return c_decode_option (p);
35 }
36
37 void
38 lang_init ()
39 {
40 /* the beginning of the file is a new line; check for # */
41 /* With luck, we discover the real source file's name from that
42 and put it in input_filename. */
43 ungetc (check_newline (), finput);
44 }
45
46 void
47 lang_finish ()
48 {
49 }
50
51 char *
52 lang_identify ()
53 {
54 return "c";
55 }
56
57 void
58 print_lang_statistics ()
59 {
60 }
61
62 /* Used by c-lex.c, but only for objc. */
63
64 tree
65 lookup_interface (arg)
66 tree arg;
67 {
68 return 0;
69 }
70
71 tree
72 is_class_name (arg)
73 tree arg;
74 {
75 return 0;
76 }
77
78 void
79 maybe_objc_check_decl (decl)
80 tree decl;
81 {
82 }
83
84 int
85 maybe_objc_comptypes (lhs, rhs, reflexive)
86 tree lhs, rhs;
87 int reflexive;
88 {
89 return -1;
90 }
91
92 tree
93 maybe_objc_method_name (decl)
94 tree decl;
95 {
96 return 0;
97 }
98
99 tree
100 maybe_building_objc_message_expr ()
101 {
102 return 0;
103 }
104
105 int
106 recognize_objc_keyword ()
107 {
108 return 0;
109 }
110
111 tree
112 build_objc_string (len, str)
113 int len;
114 char *str;
115 {
116 abort ();
117 return NULL_TREE;
118 }
119
120 void
121 GNU_xref_begin ()
122 {
123 fatal ("GCC does not yet support XREF");
124 }
125
126 void
127 GNU_xref_end ()
128 {
129 fatal ("GCC does not yet support XREF");
130 }
131
132 /* called at end of parsing, but before end-of-file processing. */
133 void
134 finish_file ()
135 {
136 extern tree static_ctors, static_dtors;
137 extern tree get_file_function_name ();
138 extern tree build_function_call PROTO((tree, tree));
139 tree void_list_node = build_tree_list (NULL_TREE, void_type_node);
140 #ifndef ASM_OUTPUT_CONSTRUCTOR
141 if (static_ctors)
142 {
143 tree fnname = get_file_function_name ('I');
144 start_function (void_list_node,
145 build_parse_node (CALL_EXPR, fnname, void_list_node,
146 NULL_TREE),
147 NULL_TREE, NULL_TREE, 0);
148 fnname = DECL_ASSEMBLER_NAME (current_function_decl);
149 store_parm_decls ();
150
151 for (; static_ctors; static_ctors = TREE_CHAIN (static_ctors))
152 expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors),
153 NULL_TREE));
154
155 finish_function (0);
156
157 assemble_constructor (IDENTIFIER_POINTER (fnname));
158 }
159 #endif
160 #ifndef ASM_OUTPUT_DESTRUCTOR
161 if (static_dtors)
162 {
163 tree fnname = get_file_function_name ('D');
164 start_function (void_list_node,
165 build_parse_node (CALL_EXPR, fnname, void_list_node,
166 NULL_TREE),
167 NULL_TREE, 0);
168 fnname = DECL_ASSEMBLER_NAME (current_function_decl);
169 store_parm_decls ();
170
171 for (; static_dtors; static_dtors = TREE_CHAIN (static_dtors))
172 expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors),
173 NULL_TREE));
174
175 finish_function (0);
176
177 assemble_destructor (IDENTIFIER_POINTER (fnname));
178 }
179 #endif
180 }
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