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. */
29 #include "diagnostic.h"
39 extern cpp_reader parse_in
;
40 static int c_tree_printer
PARAMS ((output_buffer
*));
42 /* Each of the functions defined here
43 is an alternative to a function in objc-actions.c. */
46 lang_decode_option (argc
, argv
)
50 return c_decode_option (argc
, argv
);
57 cpp_reader_init (&parse_in
, CLK_GNUC89
);
59 /* Mark as "unspecified". */
60 flag_bounds_check
= -1;
66 /* If still "unspecified", make it match -fbounded-pointers. */
67 if (flag_bounds_check
< 0)
68 flag_bounds_check
= flag_bounded_pointers
;
70 /* If still unspecified, make it match pedantic && -std=c99. */
71 if (mesg_implicit_function_declaration
< 0)
73 if (pedantic
&& flag_isoc99
)
74 mesg_implicit_function_declaration
= flag_pedantic_errors
? 2 : 1;
76 mesg_implicit_function_declaration
= 0;
79 save_lang_status
= &push_c_function_context
;
80 restore_lang_status
= &pop_c_function_context
;
81 mark_lang_status
= &mark_c_function_context
;
82 lang_expand_expr
= &c_expand_expr
;
83 lang_safe_from_p
= &c_safe_from_p
;
84 lang_printer
= &c_tree_printer
;
85 lang_expand_decl_stmt
= &c_expand_decl_stmt
;
102 print_lang_statistics ()
106 /* used by print-tree.c */
109 lang_print_xnode (file
, node
, indent
)
110 FILE *file ATTRIBUTE_UNUSED
;
111 tree node ATTRIBUTE_UNUSED
;
112 int indent ATTRIBUTE_UNUSED
;
116 /* Used by c-lex.c, but only for objc. */
119 lookup_interface (arg
)
120 tree arg ATTRIBUTE_UNUSED
;
127 tree arg ATTRIBUTE_UNUSED
;
133 maybe_objc_check_decl (decl
)
134 tree decl ATTRIBUTE_UNUSED
;
139 maybe_objc_comptypes (lhs
, rhs
, reflexive
)
140 tree lhs ATTRIBUTE_UNUSED
;
141 tree rhs ATTRIBUTE_UNUSED
;
142 int reflexive ATTRIBUTE_UNUSED
;
148 maybe_objc_method_name (decl
)
149 tree decl ATTRIBUTE_UNUSED
;
155 maybe_building_objc_message_expr ()
161 recognize_objc_keyword ()
166 /* Used by c-typeck.c (build_external_ref), but only for objc. */
169 lookup_objc_ivar (id
)
170 tree id ATTRIBUTE_UNUSED
;
175 #if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
176 extern tree static_ctors
;
177 extern tree static_dtors
;
179 static tree start_cdtor
PARAMS ((int));
180 static void finish_cdtor
PARAMS ((tree
));
183 start_cdtor (method_type
)
186 tree fnname
= get_file_function_name (method_type
);
187 tree void_list_node_1
= build_tree_list (NULL_TREE
, void_type_node
);
190 start_function (void_list_node_1
,
191 build_parse_node (CALL_EXPR
, fnname
,
192 tree_cons (NULL_TREE
, NULL_TREE
,
195 NULL_TREE
, NULL_TREE
);
198 current_function_cannot_inline
199 = "static constructors and destructors cannot be inlined";
201 body
= c_begin_compound_stmt ();
205 add_scope_stmt (/*begin_p=*/1, /*partial_p=*/0);
217 scope
= add_scope_stmt (/*begin_p=*/0, /*partial_p=*/0);
218 block
= poplevel (0, 0, 0);
219 SCOPE_STMT_BLOCK (TREE_PURPOSE (scope
)) = block
;
220 SCOPE_STMT_BLOCK (TREE_VALUE (scope
)) = block
;
222 RECHAIN_STMTS (body
, COMPOUND_BODY (body
));
228 /* Called at end of parsing, but before end-of-file processing. */
233 #ifndef ASM_OUTPUT_CONSTRUCTOR
236 tree body
= start_cdtor ('I');
238 for (; static_ctors
; static_ctors
= TREE_CHAIN (static_ctors
))
239 c_expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors
),
245 #ifndef ASM_OUTPUT_DESTRUCTOR
248 tree body
= start_cdtor ('D');
250 for (; static_dtors
; static_dtors
= TREE_CHAIN (static_dtors
))
251 c_expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors
),
259 (*back_end_hook
) (getdecls ());
261 if (flag_dump_translation_unit
)
262 dump_node_to_file (getdecls (), flag_dump_translation_unit
);
265 /* Called during diagnostic message formatting process to print a
266 source-level entity onto BUFFER. The meaning of the format specifiers
269 %F: a function declaration,
272 These format specifiers form a subset of the format specifiers set used
273 by the C++ front-end.
274 Please notice when called, the `%' part was already skipped by the
275 diagnostic machinery. */
277 c_tree_printer (buffer
)
278 output_buffer
*buffer
;
280 tree t
= va_arg (output_buffer_format_args (buffer
), tree
);
282 switch (*output_buffer_text_cursor (buffer
))
288 const char *n
= DECL_NAME (t
)
289 ? (*decl_printable_name
) (t
, 2)
291 output_add_string (buffer
, n
);