1 /* Language-specific hook definitions for C front end.
2 Copyright (C) 1991, 1995, 1997, 1998,
3 1999, 2000 Free Software Foundation, Inc.
5 This file is part of GNU CC.
7 GNU CC 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)
12 GNU CC 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.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
31 #include "diagnostic.h"
36 static int c_tree_printer
PARAMS ((output_buffer
*));
41 extern cpp_reader parse_in
;
42 extern cpp_options parse_options
;
45 /* Each of the functions defined here
46 is an alternative to a function in objc-actions.c. */
49 lang_decode_option (argc
, argv
)
53 return c_decode_option (argc
, argv
);
60 cpp_reader_init (&parse_in
);
61 parse_in
.opts
= &parse_options
;
62 cpp_options_init (&parse_options
);
64 /* Mark as "unspecified". */
65 flag_bounds_check
= -1;
71 /* If still "unspecified", make it match -fbounded-pointers. */
72 if (flag_bounds_check
< 0)
73 flag_bounds_check
= flag_bounded_pointers
;
75 /* If still unspecified, make it match pedantic && -std=c99. */
76 if (mesg_implicit_function_declaration
< 0)
78 if (pedantic
&& flag_isoc99
)
79 mesg_implicit_function_declaration
= flag_pedantic_errors
? 2 : 1;
81 mesg_implicit_function_declaration
= 0;
84 /* the beginning of the file is a new line; check for # */
85 /* With luck, we discover the real source file's name from that
86 and put it in input_filename. */
88 ungetc (check_newline (), finput
);
94 save_lang_status
= &push_c_function_context
;
95 restore_lang_status
= &pop_c_function_context
;
96 mark_lang_status
= &mark_c_function_context
;
98 lang_printer
= c_tree_printer
;
115 print_lang_statistics ()
119 /* used by print-tree.c */
122 lang_print_xnode (file
, node
, indent
)
123 FILE *file ATTRIBUTE_UNUSED
;
124 tree node ATTRIBUTE_UNUSED
;
125 int indent ATTRIBUTE_UNUSED
;
129 /* Used by c-lex.c, but only for objc. */
132 lookup_interface (arg
)
133 tree arg ATTRIBUTE_UNUSED
;
140 tree arg ATTRIBUTE_UNUSED
;
146 maybe_objc_check_decl (decl
)
147 tree decl ATTRIBUTE_UNUSED
;
152 maybe_objc_comptypes (lhs
, rhs
, reflexive
)
153 tree lhs ATTRIBUTE_UNUSED
;
154 tree rhs ATTRIBUTE_UNUSED
;
155 int reflexive ATTRIBUTE_UNUSED
;
161 maybe_objc_method_name (decl
)
162 tree decl ATTRIBUTE_UNUSED
;
168 maybe_building_objc_message_expr ()
174 recognize_objc_keyword ()
179 /* Used by c-typeck.c (build_external_ref), but only for objc. */
182 lookup_objc_ivar (id
)
183 tree id ATTRIBUTE_UNUSED
;
188 /* Called at end of parsing, but before end-of-file processing. */
193 #ifndef ASM_OUTPUT_CONSTRUCTOR
194 extern tree static_ctors
;
196 #ifndef ASM_OUTPUT_DESTRUCTOR
197 extern tree static_dtors
;
199 extern tree build_function_call
PARAMS ((tree
, tree
));
200 #if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
201 tree void_list_node_1
= build_tree_list (NULL_TREE
, void_type_node
);
203 #ifndef ASM_OUTPUT_CONSTRUCTOR
206 tree fnname
= get_file_function_name ('I');
207 start_function (void_list_node_1
,
208 build_parse_node (CALL_EXPR
, fnname
,
209 tree_cons (NULL_TREE
, NULL_TREE
,
212 NULL_TREE
, NULL_TREE
);
213 fnname
= DECL_ASSEMBLER_NAME (current_function_decl
);
216 for (; static_ctors
; static_ctors
= TREE_CHAIN (static_ctors
))
217 expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors
),
222 assemble_constructor (IDENTIFIER_POINTER (fnname
));
225 #ifndef ASM_OUTPUT_DESTRUCTOR
228 tree fnname
= get_file_function_name ('D');
229 start_function (void_list_node_1
,
230 build_parse_node (CALL_EXPR
, fnname
,
231 tree_cons (NULL_TREE
, NULL_TREE
,
234 NULL_TREE
, NULL_TREE
);
235 fnname
= DECL_ASSEMBLER_NAME (current_function_decl
);
238 for (; static_dtors
; static_dtors
= TREE_CHAIN (static_dtors
))
239 expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors
),
244 assemble_destructor (IDENTIFIER_POINTER (fnname
));
249 /* Called during diagnostic message formatting process to print a
250 source-level entity onto BUFFER. The meaning of the format specifiers
253 %F: a function declaration,
256 These format specifiers form a subset of the format specifiers set used
257 by the C++ front-end.
258 Please notice when called, the `%' part was already skipped by the
259 diagnostic machinery. */
261 c_tree_printer (buffer
)
262 output_buffer
*buffer
;
264 tree t
= va_arg (output_buffer_format_args (buffer
), tree
);
266 switch (*output_buffer_text_cursor (buffer
))
272 const char *n
= DECL_NAME (t
)
273 ? (*decl_printable_name
) (t
, 2)
275 output_add_string (buffer
, n
);