1 /* Language-specific hook definitions for C front end.
2 Copyright (C) 1991, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
4 This file is part of GNU CC.
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)
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.
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. */
37 extern cpp_reader parse_in
;
38 extern cpp_options parse_options
;
41 /* Each of the functions defined here
42 is an alternative to a function in objc-actions.c. */
45 lang_decode_option (argc
, argv
)
49 return c_decode_option (argc
, argv
);
56 cpp_reader_init (&parse_in
);
57 parse_in
.opts
= &parse_options
;
58 cpp_options_init (&parse_options
);
60 /* Mark as "unspecified". */
61 flag_bounds_check
= -1;
67 /* If still "unspecified", make it match -fbounded-pointers. */
68 if (flag_bounds_check
< 0)
69 flag_bounds_check
= flag_bounded_pointers
;
71 /* the beginning of the file is a new line; check for # */
72 /* With luck, we discover the real source file's name from that
73 and put it in input_filename. */
75 ungetc (check_newline (), finput
);
81 save_lang_status
= &push_c_function_context
;
82 restore_lang_status
= &pop_c_function_context
;
83 mark_lang_status
= &mark_c_function_context
;
100 print_lang_statistics ()
104 /* used by print-tree.c */
107 lang_print_xnode (file
, node
, indent
)
108 FILE *file ATTRIBUTE_UNUSED
;
109 tree node ATTRIBUTE_UNUSED
;
110 int indent ATTRIBUTE_UNUSED
;
114 /* Used by c-lex.c, but only for objc. */
117 lookup_interface (arg
)
118 tree arg ATTRIBUTE_UNUSED
;
125 tree arg ATTRIBUTE_UNUSED
;
131 maybe_objc_check_decl (decl
)
132 tree decl ATTRIBUTE_UNUSED
;
137 maybe_objc_comptypes (lhs
, rhs
, reflexive
)
138 tree lhs ATTRIBUTE_UNUSED
;
139 tree rhs ATTRIBUTE_UNUSED
;
140 int reflexive ATTRIBUTE_UNUSED
;
146 maybe_objc_method_name (decl
)
147 tree decl ATTRIBUTE_UNUSED
;
153 maybe_building_objc_message_expr ()
159 recognize_objc_keyword ()
165 build_objc_string (len
, str
)
166 int len ATTRIBUTE_UNUSED
;
167 const char *str ATTRIBUTE_UNUSED
;
173 /* Called at end of parsing, but before end-of-file processing. */
178 #ifndef ASM_OUTPUT_CONSTRUCTOR
179 extern tree static_ctors
;
181 #ifndef ASM_OUTPUT_DESTRUCTOR
182 extern tree static_dtors
;
184 extern tree build_function_call
PROTO((tree
, tree
));
185 #if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
186 tree void_list_node_1
= build_tree_list (NULL_TREE
, void_type_node
);
188 #ifndef ASM_OUTPUT_CONSTRUCTOR
191 tree fnname
= get_file_function_name ('I');
192 start_function (void_list_node_1
,
193 build_parse_node (CALL_EXPR
, fnname
,
194 tree_cons (NULL_TREE
, NULL_TREE
,
197 NULL_TREE
, NULL_TREE
, 0);
198 fnname
= DECL_ASSEMBLER_NAME (current_function_decl
);
201 for (; static_ctors
; static_ctors
= TREE_CHAIN (static_ctors
))
202 expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors
),
207 assemble_constructor (IDENTIFIER_POINTER (fnname
));
210 #ifndef ASM_OUTPUT_DESTRUCTOR
213 tree fnname
= get_file_function_name ('D');
214 start_function (void_list_node_1
,
215 build_parse_node (CALL_EXPR
, fnname
,
216 tree_cons (NULL_TREE
, NULL_TREE
,
219 NULL_TREE
, NULL_TREE
, 0);
220 fnname
= DECL_ASSEMBLER_NAME (current_function_decl
);
223 for (; static_dtors
; static_dtors
= TREE_CHAIN (static_dtors
))
224 expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors
),
229 assemble_destructor (IDENTIFIER_POINTER (fnname
));