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7f4edbcb | 1 | /* Definitions for c-common.c. |
517cbe13 | 2 | Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, |
23345bbb | 3 | 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
7f4edbcb | 4 | |
1322177d | 5 | This file is part of GCC. |
7f4edbcb | 6 | |
1322177d LB |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 2, or (at your option) any later | |
10 | version. | |
7f4edbcb | 11 | |
1322177d LB |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
7f4edbcb BS |
16 | |
17 | You should have received a copy of the GNU General Public License | |
1322177d LB |
18 | along with GCC; see the file COPYING. If not, write to the Free |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
7f4edbcb | 21 | |
0e5921e8 ZW |
22 | #ifndef GCC_C_COMMON_H |
23 | #define GCC_C_COMMON_H | |
24 | ||
8f17b5c5 | 25 | #include "splay-tree.h" |
2a967f3d | 26 | #include "cpplib.h" |
d07605f5 | 27 | #include "ggc.h" |
8f17b5c5 | 28 | |
f2c5f623 BC |
29 | /* Usage of TREE_LANG_FLAG_?: |
30 | 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). | |
31 | TREE_NEGATED_INT (in INTEGER_CST). | |
32 | IDENTIFIER_MARKED (used by search routines). | |
33 | SCOPE_BEGIN_P (in SCOPE_STMT) | |
34 | DECL_PRETTY_FUNCTION_P (in VAR_DECL) | |
35 | NEW_FOR_SCOPE_P (in FOR_STMT) | |
4f78b9a8 | 36 | ASM_INPUT_P (in ASM_STMT) |
b2123dc0 | 37 | STMT_EXPR_NO_SCOPE (in STMT_EXPR) |
f2c5f623 BC |
38 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
39 | STMT_IS_FULL_EXPR_P (in _STMT) | |
40 | 2: STMT_LINENO_FOR_FN_P (in _STMT) | |
41 | 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) | |
ade3dc07 | 42 | COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT) |
72954a4f | 43 | STMT_EXPR_WARN_UNUSED_RESULT (in STMT_EXPR) |
f2c5f623 BC |
44 | 4: SCOPE_PARTIAL_P (in SCOPE_STMT) |
45 | */ | |
46 | ||
0e5921e8 | 47 | /* Reserved identifiers. This is the union of all the keywords for C, |
40f03658 | 48 | C++, and Objective-C. All the type modifiers have to be in one |
0e5921e8 ZW |
49 | block at the beginning, because they are used as mask bits. There |
50 | are 27 type modifiers; if we add many more we will have to redesign | |
51 | the mask mechanism. */ | |
f09f1de5 MM |
52 | |
53 | enum rid | |
54 | { | |
0e5921e8 | 55 | /* Modifiers: */ |
2ba84f36 | 56 | /* C, in empirical order of frequency. */ |
0e5921e8 ZW |
57 | RID_STATIC = 0, |
58 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, | |
59 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, | |
60 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, | |
61 | ||
62 | /* C extensions */ | |
66804d9e | 63 | RID_COMPLEX, RID_THREAD, |
0e5921e8 ZW |
64 | |
65 | /* C++ */ | |
66 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
67 | ||
68 | /* ObjC */ | |
b8363a24 | 69 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
0e5921e8 ZW |
70 | |
71 | /* C */ | |
72 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, | |
73 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, | |
74 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, | |
75 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, | |
76 | RID_SIZEOF, | |
77 | ||
78 | /* C extensions */ | |
79 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | |
80 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE, | |
ecbcf7b3 | 81 | RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P, |
0e5921e8 | 82 | |
0ba8a114 NS |
83 | /* Too many ways of getting the name of a function as a string */ |
84 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
85 | ||
0e5921e8 ZW |
86 | /* C++ */ |
87 | RID_BOOL, RID_WCHAR, RID_CLASS, | |
88 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
89 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
90 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
263ee052 MM |
91 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
92 | RID_THIS, RID_THROW, RID_TRUE, | |
93 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
94 | RID_USING, | |
0e5921e8 ZW |
95 | |
96 | /* casts */ | |
97 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
98 | ||
40f03658 | 99 | /* Objective-C */ |
0e5921e8 ZW |
100 | RID_ID, RID_AT_ENCODE, RID_AT_END, |
101 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, | |
102 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, | |
264fa2db ZL |
103 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
104 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, | |
105 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, | |
106 | RID_AT_INTERFACE, | |
0e5921e8 ZW |
107 | RID_AT_IMPLEMENTATION, |
108 | ||
109 | RID_MAX, | |
110 | ||
111 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
112 | RID_LAST_MODIFIER = RID_ONEWAY, |
113 | ||
114 | RID_FIRST_AT = RID_AT_ENCODE, | |
115 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
116 | RID_FIRST_PQ = RID_IN, | |
117 | RID_LAST_PQ = RID_ONEWAY | |
f09f1de5 MM |
118 | }; |
119 | ||
b8363a24 ZW |
120 | #define OBJC_IS_AT_KEYWORD(rid) \ |
121 | ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \ | |
122 | (unsigned int)(rid) <= (unsigned int)RID_LAST_AT) | |
123 | ||
124 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
125 | ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \ | |
126 | (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ) | |
127 | ||
f09f1de5 MM |
128 | /* The elements of `ridpointers' are identifier nodes for the reserved |
129 | type names and storage classes. It is indexed by a RID_... value. */ | |
17211ab5 | 130 | extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers; |
f09f1de5 | 131 | |
7f4edbcb BS |
132 | /* Standard named or nameless data types of the C compiler. */ |
133 | ||
134 | enum c_tree_index | |
135 | { | |
7f4edbcb BS |
136 | CTI_WCHAR_TYPE, |
137 | CTI_SIGNED_WCHAR_TYPE, | |
138 | CTI_UNSIGNED_WCHAR_TYPE, | |
c5ab7f91 | 139 | CTI_WINT_TYPE, |
cd732418 JM |
140 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
141 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
142 | CTI_INTMAX_TYPE, |
143 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
144 | CTI_WIDEST_INT_LIT_TYPE, |
145 | CTI_WIDEST_UINT_LIT_TYPE, | |
146 | ||
7f4edbcb BS |
147 | CTI_CHAR_ARRAY_TYPE, |
148 | CTI_WCHAR_ARRAY_TYPE, | |
149 | CTI_INT_ARRAY_TYPE, | |
150 | CTI_STRING_TYPE, | |
151 | CTI_CONST_STRING_TYPE, | |
152 | ||
19552aa5 | 153 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
154 | CTI_TRUTHVALUE_TYPE, |
155 | CTI_TRUTHVALUE_TRUE, | |
156 | CTI_TRUTHVALUE_FALSE, | |
157 | ||
7f4edbcb | 158 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 159 | |
7aba5a5f CD |
160 | CTI_G77_INTEGER_TYPE, |
161 | CTI_G77_UINTEGER_TYPE, | |
162 | CTI_G77_LONGINT_TYPE, | |
163 | CTI_G77_ULONGINT_TYPE, | |
164 | ||
2ba84f36 | 165 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
166 | CTI_FUNCTION_NAME_DECL, |
167 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
168 | CTI_C99_FUNCTION_NAME_DECL, | |
169 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
170 | ||
ae499cce MM |
171 | CTI_VOID_ZERO, |
172 | ||
7f4edbcb BS |
173 | CTI_MAX |
174 | }; | |
175 | ||
b621a4dd | 176 | #define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) |
2a967f3d NB |
177 | |
178 | /* Identifier part common to the C front ends. Inherits from | |
179 | tree_identifier, despite appearances. */ | |
e2500fed | 180 | struct c_common_identifier GTY(()) |
2a967f3d NB |
181 | { |
182 | struct tree_common common; | |
17211ab5 | 183 | struct cpp_hashnode node; |
2a967f3d NB |
184 | }; |
185 | ||
7f4edbcb BS |
186 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
187 | #define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] | |
188 | #define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] | |
c5ab7f91 | 189 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
cd732418 JM |
190 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
191 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
b15ad712 JM |
192 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
193 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
7f4edbcb BS |
194 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
195 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
196 | ||
de7df9eb JM |
197 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
198 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
199 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
19552aa5 | 200 | |
7f4edbcb BS |
201 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
202 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] | |
203 | #define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] | |
204 | #define string_type_node c_global_trees[CTI_STRING_TYPE] | |
205 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
206 | ||
207 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
7f4edbcb | 208 | |
7aba5a5f CD |
209 | /* g77 integer types, which which must be kept in sync with f/com.h */ |
210 | #define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE] | |
211 | #define g77_uinteger_type_node c_global_trees[CTI_G77_UINTEGER_TYPE] | |
212 | #define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE] | |
213 | #define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE] | |
214 | ||
0ba8a114 NS |
215 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
216 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
217 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
218 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
63ad61ed | 219 | |
ae499cce MM |
220 | /* A node for `((void) 0)'. */ |
221 | #define void_zero_node c_global_trees[CTI_VOID_ZERO] | |
222 | ||
e2500fed | 223 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 224 | |
e0a21ab9 KH |
225 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
226 | tree for size reasons. */ | |
d07605f5 AP |
227 | struct sorted_fields_type GTY(()) |
228 | { | |
229 | int len; | |
230 | tree GTY((length ("%h.len"))) elts[1]; | |
231 | }; | |
232 | ||
8f17b5c5 MM |
233 | /* Mark which labels are explicitly declared. |
234 | These may be shadowed, and may be referenced from nested functions. */ | |
235 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
236 | ||
9aa8a1df NB |
237 | /* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a |
238 | warning if they undergo concatenation. */ | |
239 | #define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) | |
240 | ||
ab76ca54 MM |
241 | typedef enum c_language_kind |
242 | { | |
37fa72e9 NB |
243 | clk_c = 0, /* C90, C94 or C99 */ |
244 | clk_objc = 1, /* clk_c with ObjC features. */ | |
245 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
246 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
21c7361e | 247 | } |
ab76ca54 MM |
248 | c_language_kind; |
249 | ||
37fa72e9 NB |
250 | /* To test for a specific language use c_language, defined by each |
251 | front end. For "ObjC features" or "not C++" use the macros. */ | |
252 | extern c_language_kind c_language; | |
253 | ||
254 | #define c_dialect_cxx() (c_language & clk_cxx) | |
255 | #define c_dialect_objc() (c_language & clk_objc) | |
256 | ||
ae499cce MM |
257 | /* Information about a statement tree. */ |
258 | ||
e2500fed | 259 | struct stmt_tree_s GTY(()) { |
ae499cce MM |
260 | /* The last statement added to the tree. */ |
261 | tree x_last_stmt; | |
262 | /* The type of the last expression statement. (This information is | |
263 | needed to implement the statement-expression extension.) */ | |
264 | tree x_last_expr_type; | |
de097a2d JM |
265 | /* The last filename we recorded. */ |
266 | const char *x_last_expr_filename; | |
da7d8304 | 267 | /* In C++, Nonzero if we should treat statements as full |
ae499cce MM |
268 | expressions. In particular, this variable is no-zero if at the |
269 | end of a statement we should destroy any temporaries created | |
270 | during that statement. Similarly, if, at the end of a block, we | |
271 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 272 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
273 | C++. |
274 | ||
275 | However, in order to represent aggregate initialization code as | |
276 | tree structure, we use statement-expressions. The statements | |
277 | within the statement expression should not result in cleanups | |
21c7361e | 278 | being run until the entire enclosing statement is complete. |
ae499cce MM |
279 | |
280 | This flag has no effect in C. */ | |
21c7361e | 281 | int stmts_are_full_exprs_p; |
ae499cce MM |
282 | }; |
283 | ||
284 | typedef struct stmt_tree_s *stmt_tree; | |
285 | ||
286 | /* Global state pertinent to the current function. Some C dialects | |
287 | extend this structure with additional fields. */ | |
288 | ||
e2500fed | 289 | struct c_language_function GTY(()) { |
ae499cce MM |
290 | /* While we are parsing the function, this contains information |
291 | about the statement-tree that we are building. */ | |
292 | struct stmt_tree_s x_stmt_tree; | |
8f17b5c5 MM |
293 | /* The stack of SCOPE_STMTs for the current function. */ |
294 | tree x_scope_stmt_stack; | |
ae499cce MM |
295 | }; |
296 | ||
297 | /* When building a statement-tree, this is the last statement added to | |
298 | the tree. */ | |
299 | ||
300 | #define last_tree (current_stmt_tree ()->x_last_stmt) | |
301 | ||
302 | /* The type of the last expression-statement we have seen. */ | |
303 | ||
304 | #define last_expr_type (current_stmt_tree ()->x_last_expr_type) | |
305 | ||
de097a2d JM |
306 | /* The name of the last file we have seen. */ |
307 | ||
308 | #define last_expr_filename (current_stmt_tree ()->x_last_expr_filename) | |
309 | ||
8f17b5c5 MM |
310 | /* LAST_TREE contains the last statement parsed. These are chained |
311 | together through the TREE_CHAIN field, but often need to be | |
312 | re-organized since the parse is performed bottom-up. This macro | |
313 | makes LAST_TREE the indicated SUBSTMT of STMT. */ | |
314 | ||
315 | #define RECHAIN_STMTS(stmt, substmt) \ | |
316 | do { \ | |
317 | substmt = TREE_CHAIN (stmt); \ | |
318 | TREE_CHAIN (stmt) = NULL_TREE; \ | |
319 | last_tree = stmt; \ | |
320 | } while (0) | |
321 | ||
322 | /* Language-specific hooks. */ | |
323 | ||
35b1a6fa AJ |
324 | extern void (*lang_expand_stmt) (tree); |
325 | extern void (*lang_expand_decl_stmt) (tree); | |
326 | extern void (*lang_expand_function_end) (void); | |
8f17b5c5 | 327 | |
21c7361e AJ |
328 | /* Callback that determines if it's ok for a function to have no |
329 | noreturn attribute. */ | |
35b1a6fa AJ |
330 | extern int (*lang_missing_noreturn_ok_p) (tree); |
331 | ||
332 | extern int yyparse (void); | |
333 | extern void free_parser_stacks (void); | |
334 | ||
335 | extern stmt_tree current_stmt_tree (void); | |
336 | extern tree *current_scope_stmt_stack (void); | |
337 | extern void begin_stmt_tree (tree *); | |
338 | extern tree add_stmt (tree); | |
339 | extern void add_decl_stmt (tree); | |
340 | extern tree add_scope_stmt (int, int); | |
341 | extern void finish_stmt_tree (tree *); | |
342 | ||
343 | extern tree walk_stmt_tree (tree *, walk_tree_fn, void *); | |
344 | extern void prep_stmt (tree); | |
345 | extern void expand_stmt (tree); | |
346 | extern tree c_begin_if_stmt (void); | |
347 | extern tree c_begin_while_stmt (void); | |
348 | extern void c_finish_while_stmt_cond (tree, tree); | |
c1e14513 | 349 | |
d9b2742a | 350 | enum sw_kind { SW_PARAM = 0, SW_LOCAL, SW_GLOBAL }; |
35b1a6fa | 351 | extern void shadow_warning (enum sw_kind, const char *, tree); |
d07605f5 AP |
352 | extern int field_decl_cmp (const void *, const void *); |
353 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, | |
354 | void *); | |
17211ab5 | 355 | \f |
4078b403 NB |
356 | /* Switches common to the C front ends. */ |
357 | ||
aaf93206 | 358 | /* Nonzero if prepreprocessing only. */ |
17211ab5 | 359 | |
aaf93206 NB |
360 | extern int flag_preprocess_only; |
361 | ||
264fa2db ZL |
362 | /* Zero means that faster, ...NonNil variants of objc_msgSend... |
363 | calls will be used in ObjC; passing nil receivers to such calls | |
364 | will most likely result in crashes. */ | |
365 | extern int flag_nil_receivers; | |
366 | ||
367 | /* Nonzero means that we will allow new ObjC exception syntax (@throw, | |
368 | @try, etc.) in source code. */ | |
369 | extern int flag_objc_exceptions; | |
370 | ||
371 | /* Nonzero means that code generation will be altered to support | |
372 | "zero-link" execution. This currently affects ObjC only, but may | |
373 | affect other languages in the future. */ | |
374 | extern int flag_zero_link; | |
375 | ||
376 | /* Nonzero means emit an '__OBJC, __image_info' for the current translation | |
377 | unit. It will inform the ObjC runtime that class definition(s) herein | |
378 | contained are to replace one(s) previously loaded. */ | |
379 | extern int flag_replace_objc_classes; | |
380 | ||
63973df3 NB |
381 | /* Nonzero means don't output line number information. */ |
382 | ||
383 | extern char flag_no_line_commands; | |
384 | ||
385 | /* Nonzero causes -E output not to be done, but directives such as | |
386 | #define that have side effects are still obeyed. */ | |
387 | ||
388 | extern char flag_no_output; | |
389 | ||
390 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M' or | |
391 | 'N' of the command line switch. */ | |
392 | ||
393 | extern char flag_dump_macros; | |
394 | ||
395 | /* Nonzero means pass #include lines through to the output. */ | |
396 | ||
397 | extern char flag_dump_includes; | |
398 | ||
17211ab5 GK |
399 | /* The file name to which we should write a precompiled header, or |
400 | NULL if no header will be written in this compile. */ | |
401 | ||
402 | extern const char *pch_file; | |
403 | ||
3df89291 NB |
404 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
405 | user's namespace. */ | |
17211ab5 | 406 | |
3df89291 NB |
407 | extern int flag_iso; |
408 | ||
409 | /* Nonzero if -undef was given. It suppresses target built-in macros | |
410 | and assertions. */ | |
17211ab5 | 411 | |
3df89291 NB |
412 | extern int flag_undef; |
413 | ||
4078b403 | 414 | /* Nonzero means don't recognize the non-ANSI builtin functions. */ |
ab76ca54 | 415 | |
4078b403 NB |
416 | extern int flag_no_builtin; |
417 | ||
418 | /* Nonzero means don't recognize the non-ANSI builtin functions. | |
419 | -ansi sets this. */ | |
420 | ||
421 | extern int flag_no_nonansi_builtin; | |
ab76ca54 | 422 | |
eaa7c03f JM |
423 | /* Nonzero means give `double' the same size as `float'. */ |
424 | ||
425 | extern int flag_short_double; | |
426 | ||
427 | /* Nonzero means give `wchar_t' the same size as `short'. */ | |
428 | ||
429 | extern int flag_short_wchar; | |
430 | ||
750491fc RH |
431 | /* Nonzero means allow Microsoft extensions without warnings or errors. */ |
432 | extern int flag_ms_extensions; | |
433 | ||
4078b403 NB |
434 | /* Nonzero means don't recognize the keyword `asm'. */ |
435 | ||
436 | extern int flag_no_asm; | |
437 | ||
438 | /* Nonzero means give string constants the type `const char *', as mandated | |
439 | by the standard. */ | |
440 | ||
441 | extern int flag_const_strings; | |
442 | ||
4078b403 NB |
443 | /* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ |
444 | ||
445 | extern int flag_signed_bitfields; | |
446 | extern int explicit_flag_signed_bitfields; | |
447 | ||
448 | /* Nonzero means warn about pointer casts that can drop a type qualifier | |
449 | from the pointer target type. */ | |
450 | ||
451 | extern int warn_cast_qual; | |
452 | ||
453 | /* Warn about functions which might be candidates for format attributes. */ | |
454 | ||
455 | extern int warn_missing_format_attribute; | |
456 | ||
457 | /* Nonzero means warn about sizeof(function) or addition/subtraction | |
458 | of function pointers. */ | |
459 | ||
460 | extern int warn_pointer_arith; | |
461 | ||
462 | /* Nonzero means warn for any global function def | |
463 | without separate previous prototype decl. */ | |
464 | ||
465 | extern int warn_missing_prototypes; | |
466 | ||
467 | /* Warn if adding () is suggested. */ | |
468 | ||
469 | extern int warn_parentheses; | |
470 | ||
471 | /* Warn if initializer is not completely bracketed. */ | |
472 | ||
473 | extern int warn_missing_braces; | |
474 | ||
475 | /* Warn about comparison of signed and unsigned values. | |
476 | If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */ | |
477 | ||
478 | extern int warn_sign_compare; | |
479 | ||
480 | /* Nonzero means warn about usage of long long when `-pedantic'. */ | |
481 | ||
482 | extern int warn_long_long; | |
483 | ||
484 | /* Nonzero means warn about deprecated conversion from string constant to | |
485 | `char *'. */ | |
486 | ||
487 | extern int warn_write_strings; | |
488 | ||
489 | /* Nonzero means warn about multiple (redundant) decls for the same single | |
490 | variable or function. */ | |
491 | ||
492 | extern int warn_redundant_decls; | |
493 | ||
4b7e68e7 | 494 | /* Warn about testing equality of floating point numbers. */ |
4078b403 NB |
495 | |
496 | extern int warn_float_equal; | |
497 | ||
498 | /* Warn about a subscript that has type char. */ | |
499 | ||
500 | extern int warn_char_subscripts; | |
501 | ||
502 | /* Warn if a type conversion is done that might have confusing results. */ | |
503 | ||
504 | extern int warn_conversion; | |
505 | ||
05713b80 | 506 | /* Warn about #pragma directives that are not recognized. */ |
4078b403 NB |
507 | |
508 | extern int warn_unknown_pragmas; /* Tri state variable. */ | |
509 | ||
4078b403 NB |
510 | /* Warn about format/argument anomalies in calls to formatted I/O functions |
511 | (*printf, *scanf, strftime, strfmon, etc.). */ | |
ab76ca54 MM |
512 | |
513 | extern int warn_format; | |
514 | ||
4d808927 JM |
515 | /* Warn about Y2K problems with strftime formats. */ |
516 | ||
517 | extern int warn_format_y2k; | |
518 | ||
519 | /* Warn about excess arguments to formats. */ | |
520 | ||
521 | extern int warn_format_extra_args; | |
522 | ||
e964a556 JT |
523 | /* Warn about zero-length formats. */ |
524 | ||
525 | extern int warn_format_zero_length; | |
526 | ||
4d808927 JM |
527 | /* Warn about non-literal format arguments. */ |
528 | ||
529 | extern int warn_format_nonliteral; | |
530 | ||
c907e684 JM |
531 | /* Warn about possible security problems with calls to format functions. */ |
532 | ||
533 | extern int warn_format_security; | |
534 | ||
b34c7881 | 535 | |
4078b403 | 536 | /* C/ObjC language option variables. */ |
b34c7881 | 537 | |
2683ed8d | 538 | |
4078b403 NB |
539 | /* Nonzero means message about use of implicit function declarations; |
540 | 1 means warning; 2 means error. */ | |
2683ed8d | 541 | |
4078b403 | 542 | extern int mesg_implicit_function_declaration; |
74ff4629 | 543 | |
4078b403 NB |
544 | /* Nonzero means allow type mismatches in conditional expressions; |
545 | just make their values `void'. */ | |
74ff4629 | 546 | |
4078b403 | 547 | extern int flag_cond_mismatch; |
6c36d76b | 548 | |
eaf299c6 | 549 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
550 | |
551 | extern int flag_isoc94; | |
552 | ||
ab76ca54 MM |
553 | /* Nonzero means use the ISO C99 dialect of C. */ |
554 | ||
555 | extern int flag_isoc99; | |
556 | ||
6614fd40 | 557 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
558 | |
559 | extern int flag_hosted; | |
560 | ||
4078b403 NB |
561 | /* Nonzero means warn when casting a function call to a type that does |
562 | not match the return type (e.g. (float)sqrt() or (anything*)malloc() | |
563 | when there is no previous declaration of sqrt or malloc. */ | |
6bcedb4e | 564 | |
4078b403 | 565 | extern int warn_bad_function_cast; |
6bcedb4e | 566 | |
4078b403 | 567 | /* Warn about traditional constructs whose meanings changed in ANSI C. */ |
6bcedb4e | 568 | |
4078b403 | 569 | extern int warn_traditional; |
6bcedb4e | 570 | |
85617eba HPN |
571 | /* Nonzero means warn for a declaration found after a statement. */ |
572 | ||
573 | extern int warn_declaration_after_statement; | |
574 | ||
4078b403 NB |
575 | /* Nonzero means warn for non-prototype function decls |
576 | or non-prototyped defs without previous prototype. */ | |
ab76ca54 | 577 | |
4078b403 | 578 | extern int warn_strict_prototypes; |
ab76ca54 | 579 | |
4078b403 NB |
580 | /* Nonzero means warn for any global function def |
581 | without separate previous decl. */ | |
582 | ||
583 | extern int warn_missing_declarations; | |
584 | ||
585 | /* Nonzero means warn about extern declarations of objects not at | |
586 | file-scope level and about *all* declarations of functions (whether | |
587 | extern or static) not at file-scope level. Note that we exclude | |
588 | implicit function declarations. To get warnings about those, use | |
589 | -Wimplicit. */ | |
590 | ||
591 | extern int warn_nested_externs; | |
592 | ||
593 | /* Warn if main is suspicious. */ | |
594 | ||
595 | extern int warn_main; | |
596 | ||
597 | /* Nonzero means warn about possible violations of sequence point rules. */ | |
598 | ||
599 | extern int warn_sequence_point; | |
600 | ||
3390f9c9 | 601 | /* Nonzero means warn about uninitialized variable when it is initialized with itself. |
59e4e217 | 602 | For example: int i = i;, GCC will not warn about this when warn_init_self is nonzero. */ |
3390f9c9 AP |
603 | |
604 | extern int warn_init_self; | |
605 | ||
606 | ||
4078b403 NB |
607 | /* Nonzero means to warn about compile-time division by zero. */ |
608 | extern int warn_div_by_zero; | |
609 | ||
610 | /* Nonzero means warn about use of implicit int. */ | |
611 | ||
612 | extern int warn_implicit_int; | |
613 | ||
614 | /* Warn about NULL being passed to argument slots marked as requiring | |
615 | non-NULL. */ | |
616 | ||
617 | extern int warn_nonnull; | |
618 | ||
c034f121 AJ |
619 | /* Warn about old-style parameter declaration. */ |
620 | ||
621 | extern int warn_old_style_definition; | |
622 | ||
4078b403 NB |
623 | |
624 | /* ObjC language option variables. */ | |
625 | ||
626 | ||
627 | /* Open and close the file for outputting class declarations, if | |
628 | requested (ObjC). */ | |
629 | ||
630 | extern int flag_gen_declaration; | |
631 | ||
632 | /* Generate code for GNU or NeXT runtime environment. */ | |
633 | ||
634 | extern int flag_next_runtime; | |
635 | ||
636 | /* Tells the compiler that this is a special run. Do not perform any | |
637 | compiling, instead we are to test some platform dependent features | |
638 | and output a C header file with appropriate definitions. */ | |
639 | ||
640 | extern int print_struct_values; | |
641 | ||
642 | /* ???. Undocumented. */ | |
643 | ||
fd350d24 | 644 | extern const char *constant_string_class_name; |
4078b403 NB |
645 | |
646 | /* Warn if multiple methods are seen for the same selector, but with | |
ece4ce85 NP |
647 | different argument types. Performs the check on the whole selector |
648 | table at the end of compilation. */ | |
4078b403 NB |
649 | |
650 | extern int warn_selector; | |
651 | ||
ece4ce85 NP |
652 | /* Warn if a @selector() is found, and no method with that selector |
653 | has been previously declared. The check is done on each | |
654 | @selector() as soon as it is found - so it warns about forward | |
655 | declarations. */ | |
656 | ||
657 | extern int warn_undeclared_selector; | |
658 | ||
4078b403 NB |
659 | /* Warn if methods required by a protocol are not implemented in the |
660 | class adopting it. When turned off, methods inherited to that | |
661 | class are also considered implemented. */ | |
662 | ||
663 | extern int warn_protocol; | |
664 | ||
665 | ||
666 | /* C++ language option variables. */ | |
667 | ||
668 | ||
669 | /* Nonzero means don't recognize any extension keywords. */ | |
670 | ||
671 | extern int flag_no_gnu_keywords; | |
672 | ||
673 | /* Nonzero means do emit exported implementations of functions even if | |
674 | they can be inlined. */ | |
675 | ||
676 | extern int flag_implement_inlines; | |
677 | ||
4078b403 NB |
678 | /* Nonzero means that implicit instantiations will be emitted if needed. */ |
679 | ||
680 | extern int flag_implicit_templates; | |
681 | ||
682 | /* Nonzero means that implicit instantiations of inline templates will be | |
683 | emitted if needed, even if instantiations of non-inline templates | |
684 | aren't. */ | |
685 | ||
686 | extern int flag_implicit_inline_templates; | |
687 | ||
688 | /* Nonzero means generate separate instantiation control files and | |
689 | juggle them at link time. */ | |
690 | ||
691 | extern int flag_use_repository; | |
692 | ||
693 | /* Nonzero if we want to issue diagnostics that the standard says are not | |
694 | required. */ | |
695 | ||
696 | extern int flag_optional_diags; | |
697 | ||
698 | /* Nonzero means we should attempt to elide constructors when possible. */ | |
699 | ||
700 | extern int flag_elide_constructors; | |
701 | ||
702 | /* Nonzero means that member functions defined in class scope are | |
703 | inline by default. */ | |
704 | ||
705 | extern int flag_default_inline; | |
706 | ||
707 | /* Controls whether compiler generates 'type descriptor' that give | |
708 | run-time type information. */ | |
709 | ||
710 | extern int flag_rtti; | |
711 | ||
712 | /* Nonzero if we want to conserve space in the .o files. We do this | |
713 | by putting uninitialized data and runtime initialized data into | |
714 | .common instead of .data at the expense of not flagging multiple | |
715 | definitions. */ | |
716 | ||
717 | extern int flag_conserve_space; | |
718 | ||
719 | /* Nonzero if we want to obey access control semantics. */ | |
720 | ||
721 | extern int flag_access_control; | |
722 | ||
723 | /* Nonzero if we want to check the return value of new and avoid calling | |
724 | constructors if it is a null pointer. */ | |
725 | ||
726 | extern int flag_check_new; | |
727 | ||
728 | /* Nonzero if we want the new ISO rules for pushing a new scope for `for' | |
729 | initialization variables. | |
730 | 0: Old rules, set by -fno-for-scope. | |
731 | 2: New ISO rules, set by -ffor-scope. | |
732 | 1: Try to implement new ISO rules, but with backup compatibility | |
733 | (and warnings). This is the default, for now. */ | |
734 | ||
735 | extern int flag_new_for_scope; | |
736 | ||
737 | /* Nonzero if we want to emit defined symbols with common-like linkage as | |
738 | weak symbols where possible, in order to conform to C++ semantics. | |
739 | Otherwise, emit them as local symbols. */ | |
740 | ||
741 | extern int flag_weak; | |
742 | ||
b20d9f0c AO |
743 | /* 0 means we want the preprocessor to not emit line directives for |
744 | the current working directory. 1 means we want it to do it. -1 | |
745 | means we should decide depending on whether debugging information | |
746 | is being emitted or not. */ | |
747 | ||
748 | extern int flag_working_directory; | |
749 | ||
4078b403 NB |
750 | /* Nonzero to use __cxa_atexit, rather than atexit, to register |
751 | destructors for local statics and global objects. */ | |
752 | ||
753 | extern int flag_use_cxa_atexit; | |
754 | ||
4078b403 NB |
755 | /* Nonzero means make the default pedwarns warnings instead of errors. |
756 | The value of this flag is ignored if -pedantic is specified. */ | |
757 | ||
758 | extern int flag_permissive; | |
759 | ||
760 | /* Nonzero means to implement standard semantics for exception | |
761 | specifications, calling unexpected if an exception is thrown that | |
762 | doesn't match the specification. Zero means to treat them as | |
763 | assertions and optimize accordingly, but not check them. */ | |
764 | ||
765 | extern int flag_enforce_eh_specs; | |
766 | ||
2d3e278d MM |
767 | /* The version of the C++ ABI in use. The following values are |
768 | allowed: | |
769 | ||
46c83bce MM |
770 | 0: The version of the ABI believed most conformant with the |
771 | C++ ABI specification. This ABI may change as bugs are | |
772 | discovered and fixed. Therefore, 0 will not necessarily | |
773 | indicate the same ABI in different versions of G++. | |
2d3e278d | 774 | |
46c83bce | 775 | 1: The version of the ABI first used in G++ 3.2. |
2d3e278d MM |
776 | |
777 | Additional positive integers will be assigned as new versions of | |
778 | the ABI become the default version of the ABI. */ | |
779 | ||
780 | extern int flag_abi_version; | |
781 | ||
eca7f13c MM |
782 | /* Nonzero means warn about things that will change when compiling |
783 | with an ABI-compliant compiler. */ | |
784 | ||
785 | extern int warn_abi; | |
786 | ||
71c0e7fc | 787 | /* Nonzero means warn about invalid uses of offsetof. */ |
a01fff59 MA |
788 | |
789 | extern int warn_invalid_offsetof; | |
790 | ||
4078b403 NB |
791 | /* Nonzero means warn about implicit declarations. */ |
792 | ||
793 | extern int warn_implicit; | |
794 | ||
795 | /* Nonzero means warn when all ctors or dtors are private, and the class | |
796 | has no friends. */ | |
797 | ||
798 | extern int warn_ctor_dtor_privacy; | |
799 | ||
da7d8304 | 800 | /* Nonzero means warn in function declared in derived class has the |
4078b403 NB |
801 | same name as a virtual in the base class, but fails to match the |
802 | type signature of any virtual function in the base class. */ | |
803 | ||
804 | extern int warn_overloaded_virtual; | |
805 | ||
da7d8304 | 806 | /* Nonzero means warn when declaring a class that has a non virtual |
4078b403 NB |
807 | destructor, when it really ought to have a virtual one. */ |
808 | ||
809 | extern int warn_nonvdtor; | |
810 | ||
da7d8304 | 811 | /* Nonzero means warn when the compiler will reorder code. */ |
4078b403 NB |
812 | |
813 | extern int warn_reorder; | |
814 | ||
da7d8304 | 815 | /* Nonzero means warn when synthesis behavior differs from Cfront's. */ |
4078b403 NB |
816 | |
817 | extern int warn_synth; | |
818 | ||
da7d8304 | 819 | /* Nonzero means warn when we convert a pointer to member function |
4078b403 NB |
820 | into a pointer to (void or function). */ |
821 | ||
822 | extern int warn_pmf2ptr; | |
823 | ||
824 | /* Nonzero means warn about violation of some Effective C++ style rules. */ | |
825 | ||
826 | extern int warn_ecpp; | |
827 | ||
828 | /* Nonzero means warn where overload resolution chooses a promotion from | |
829 | unsigned to signed over a conversion to an unsigned of the same size. */ | |
830 | ||
831 | extern int warn_sign_promo; | |
832 | ||
833 | /* Nonzero means warn when an old-style cast is used. */ | |
834 | ||
835 | extern int warn_old_style_cast; | |
836 | ||
837 | /* Nonzero means warn when non-templatized friend functions are | |
838 | declared within a template */ | |
839 | ||
840 | extern int warn_nontemplate_friend; | |
841 | ||
842 | /* Nonzero means complain about deprecated features. */ | |
843 | ||
844 | extern int warn_deprecated; | |
845 | ||
846 | /* Maximum template instantiation depth. This limit is rather | |
847 | arbitrary, but it exists to limit the time it takes to notice | |
848 | infinite template instantiations. */ | |
849 | ||
850 | extern int max_tinst_depth; | |
ab76ca54 | 851 | |
25587e40 AO |
852 | /* Nonzero means the expression being parsed will never be evaluated. |
853 | This is a count, since unevaluated expressions can nest. */ | |
854 | ||
855 | extern int skip_evaluation; | |
856 | ||
ab76ca54 MM |
857 | /* C types are partitioned into three subsets: object, function, and |
858 | incomplete types. */ | |
859 | #define C_TYPE_OBJECT_P(type) \ | |
860 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
861 | ||
862 | #define C_TYPE_INCOMPLETE_P(type) \ | |
863 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
864 | ||
865 | #define C_TYPE_FUNCTION_P(type) \ | |
866 | (TREE_CODE (type) == FUNCTION_TYPE) | |
867 | ||
868 | /* For convenience we define a single macro to identify the class of | |
869 | object or incomplete types. */ | |
870 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
871 | (!C_TYPE_FUNCTION_P (type)) | |
872 | ||
873 | /* Record in each node resulting from a binary operator | |
874 | what operator was specified for it. */ | |
875 | #define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) | |
876 | ||
349ae713 NB |
877 | /* Attribute table common to the C front ends. */ |
878 | extern const struct attribute_spec c_common_attribute_table[]; | |
879 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
880 | ||
0ba8a114 | 881 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
882 | ID is the identifier to use, NAME is the string. |
883 | TYPE_DEP indicates whether it depends on type of the function or not | |
884 | (i.e. __PRETTY_FUNCTION__). */ | |
885 | ||
35b1a6fa AJ |
886 | extern tree (*make_fname_decl) (tree, int); |
887 | ||
888 | extern tree identifier_global_value (tree); | |
889 | extern void record_builtin_type (enum rid, const char *, tree); | |
890 | extern tree build_void_list_node (void); | |
891 | extern void start_fname_decls (void); | |
892 | extern void finish_fname_decls (void); | |
893 | extern const char *fname_as_string (int); | |
894 | extern tree fname_decl (unsigned, tree); | |
35b1a6fa AJ |
895 | |
896 | extern void check_function_arguments (tree, tree); | |
897 | extern void check_function_arguments_recurse (void (*) | |
898 | (void *, tree, | |
899 | unsigned HOST_WIDE_INT), | |
900 | void *, tree, | |
901 | unsigned HOST_WIDE_INT); | |
902 | extern void check_function_format (int *, tree, tree); | |
903 | extern void set_Wformat (int); | |
904 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); | |
905 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
2772ef3e | 906 | extern int c_common_handle_option (size_t code, const char *arg, int value); |
cb66e385 | 907 | extern bool c_common_missing_argument (const char *opt, size_t code); |
35b1a6fa AJ |
908 | extern tree c_common_type_for_mode (enum machine_mode, int); |
909 | extern tree c_common_type_for_size (unsigned int, int); | |
910 | extern tree c_common_unsigned_type (tree); | |
911 | extern tree c_common_signed_type (tree); | |
912 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
913 | extern tree c_common_truthvalue_conversion (tree); | |
914 | extern void c_apply_type_quals_to_decl (int, tree); | |
915 | extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int); | |
916 | extern tree c_alignof_expr (tree); | |
7f4edbcb BS |
917 | /* Print an error message for invalid operands to arith operation CODE. |
918 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
35b1a6fa | 919 | extern void binary_op_error (enum tree_code); |
fa72b064 GDR |
920 | #define my_friendly_assert(EXP, N) (void) \ |
921 | (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0) | |
922 | ||
35b1a6fa AJ |
923 | extern tree c_expand_expr_stmt (tree); |
924 | extern void c_expand_start_cond (tree, int, tree); | |
925 | extern void c_finish_then (void); | |
926 | extern void c_expand_start_else (void); | |
927 | extern void c_finish_else (void); | |
928 | extern void c_expand_end_cond (void); | |
7f4edbcb | 929 | /* Validate the expression after `case' and apply default promotions. */ |
35b1a6fa AJ |
930 | extern tree check_case_value (tree); |
931 | extern tree fix_string_type (tree); | |
b84a3874 | 932 | struct varray_head_tag; |
35b1a6fa AJ |
933 | extern void constant_expression_warning (tree); |
934 | extern tree convert_and_check (tree, tree); | |
935 | extern void overflow_warning (tree); | |
936 | extern void unsigned_conversion_warning (tree, tree); | |
ab76ca54 | 937 | |
7f4edbcb | 938 | /* Read the rest of the current #-directive line. */ |
35b1a6fa | 939 | extern char *get_directive_line (void); |
7f4edbcb | 940 | #define GET_DIRECTIVE_LINE() get_directive_line () |
ea793912 GDR |
941 | #define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) |
942 | #define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) | |
7f4edbcb BS |
943 | |
944 | /* Subroutine of build_binary_op, used for comparison operations. | |
945 | See if the operands have both been converted from subword integer types | |
946 | and, if so, perhaps change them both back to their original type. */ | |
35b1a6fa | 947 | extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); |
7f4edbcb | 948 | |
35b1a6fa AJ |
949 | extern tree pointer_int_sum (enum tree_code, tree, tree); |
950 | extern unsigned int min_precision (tree, int); | |
50e60bc3 ZW |
951 | |
952 | /* Add qualifiers to a type, in the fashion for C. */ | |
35b1a6fa | 953 | extern tree c_build_qualified_type (tree, int); |
50e60bc3 | 954 | |
7f4edbcb BS |
955 | /* Build tree nodes and builtin functions common to both C and C++ language |
956 | frontends. */ | |
35b1a6fa | 957 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 958 | |
35b1a6fa | 959 | extern void disable_builtin_function (const char *); |
7d14c755 | 960 | |
35b1a6fa | 961 | extern tree build_va_arg (tree, tree); |
7e8176d7 | 962 | |
b86f6cd9 | 963 | extern unsigned int c_common_init_options (unsigned int, const char **); |
35b1a6fa AJ |
964 | extern bool c_common_post_options (const char **); |
965 | extern bool c_common_init (void); | |
966 | extern void c_common_finish (void); | |
967 | extern void c_common_parse_file (int); | |
968 | extern HOST_WIDE_INT c_common_get_alias_set (tree); | |
9649812a | 969 | extern void c_register_builtin_type (tree, const char*); |
35b1a6fa AJ |
970 | extern bool c_promoting_integer_type_p (tree); |
971 | extern int self_promoting_args_p (tree); | |
972 | extern tree strip_array_types (tree); | |
12ea3302 | 973 | extern tree strip_pointer_operator (tree); |
d7e7759d | 974 | |
d1bd0ded GK |
975 | /* This function resets the parsers' state in preparation for parsing |
976 | a new file. */ | |
977 | extern void c_reset_state (void); | |
978 | /* This is the basic parsing function. */ | |
979 | extern void c_parse_file (void); | |
980 | /* This is misnamed, it actually performs end-of-compilation processing. */ | |
981 | extern void finish_file (void); | |
982 | ||
ae499cce MM |
983 | /* These macros provide convenient access to the various _STMT nodes. */ |
984 | ||
985 | /* Nonzero if this statement should be considered a full-expression, | |
986 | i.e., if temporaries created during this statement should have | |
987 | their destructors run at the end of this statement. (In C, this | |
988 | will always be false, since there are no destructors.) */ | |
989 | #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) | |
35b1567d | 990 | |
ff7cc307 | 991 | /* IF_STMT accessors. These give access to the condition of the if |
35b1567d | 992 | statement, the then block of the if statement, and the else block |
684d9f3b | 993 | of the if statement if it exists. */ |
d7e7759d BC |
994 | #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0) |
995 | #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1) | |
996 | #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2) | |
35b1567d | 997 | |
ff7cc307 | 998 | /* WHILE_STMT accessors. These give access to the condition of the |
2ba84f36 | 999 | while statement and the body of the while statement, respectively. */ |
d7e7759d BC |
1000 | #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) |
1001 | #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) | |
35b1567d BC |
1002 | |
1003 | /* DO_STMT accessors. These give access to the condition of the do | |
2ba84f36 | 1004 | statement and the body of the do statement, respectively. */ |
d7e7759d BC |
1005 | #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) |
1006 | #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) | |
35b1567d | 1007 | |
0d97bf4c JM |
1008 | /* RETURN_STMT accessors. These give the expression associated with a |
1009 | return statement, and whether it should be ignored when expanding | |
1010 | (as opposed to inlining). */ | |
d65b1d77 | 1011 | #define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0) |
35b1567d BC |
1012 | |
1013 | /* EXPR_STMT accessor. This gives the expression associated with an | |
2ba84f36 | 1014 | expression statement. */ |
d7e7759d | 1015 | #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) |
35b1567d BC |
1016 | |
1017 | /* FOR_STMT accessors. These give access to the init statement, | |
1018 | condition, update expression, and body of the for statement, | |
2ba84f36 | 1019 | respectively. */ |
d7e7759d BC |
1020 | #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) |
1021 | #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) | |
1022 | #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) | |
1023 | #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) | |
35b1567d | 1024 | |
6f9fdf4d JJ |
1025 | /* SWITCH_STMT accessors. These give access to the condition, body and |
1026 | original condition type (before any compiler conversions) | |
2ba84f36 | 1027 | of the switch statement, respectively. */ |
d7e7759d BC |
1028 | #define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) |
1029 | #define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) | |
6f9fdf4d | 1030 | #define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) |
35b1567d BC |
1031 | |
1032 | /* CASE_LABEL accessors. These give access to the high and low values | |
2ba84f36 | 1033 | of a case label, respectively. */ |
d7e7759d BC |
1034 | #define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0) |
1035 | #define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1) | |
56cb9733 | 1036 | #define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2) |
35b1567d BC |
1037 | |
1038 | /* GOTO_STMT accessor. This gives access to the label associated with | |
2ba84f36 | 1039 | a goto statement. */ |
d7e7759d | 1040 | #define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0) |
95bd1dd7 | 1041 | /* True for goto created artificially by the compiler. */ |
db4a8254 | 1042 | #define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE))) |
35b1567d BC |
1043 | |
1044 | /* COMPOUND_STMT accessor. This gives access to the TREE_LIST of | |
684d9f3b JM |
1045 | statements associated with a compound statement. The result is the |
1046 | first statement in the list. Succeeding nodes can be accessed by | |
2ba84f36 | 1047 | calling TREE_CHAIN on a node in the list. */ |
d7e7759d | 1048 | #define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0) |
35b1567d BC |
1049 | |
1050 | /* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the | |
1051 | instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and | |
1052 | ASM_CLOBBERS represent the outputs, inputs, and clobbers for the | |
2ba84f36 | 1053 | statement. */ |
d7e7759d BC |
1054 | #define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0) |
1055 | #define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1) | |
1056 | #define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2) | |
1057 | #define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3) | |
1058 | #define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4) | |
35b1567d BC |
1059 | |
1060 | /* DECL_STMT accessor. This gives access to the DECL associated with | |
2ba84f36 | 1061 | the given declaration statement. */ |
d7e7759d | 1062 | #define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0) |
35b1567d | 1063 | |
2ba84f36 | 1064 | /* STMT_EXPR accessor. */ |
d7e7759d | 1065 | #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) |
35b1567d | 1066 | |
b2123dc0 MM |
1067 | /* Nonzero if this statement-expression does not have an associated scope. */ |
1068 | #define STMT_EXPR_NO_SCOPE(NODE) \ | |
1069 | TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) | |
1070 | ||
72954a4f JM |
1071 | /* Nonzero if this statement-expression should cause warning if its result |
1072 | is not used. */ | |
1073 | #define STMT_EXPR_WARN_UNUSED_RESULT(NODE) \ | |
1074 | TREE_LANG_FLAG_3 (STMT_EXPR_CHECK (NODE)) | |
1075 | ||
35b1567d | 1076 | /* LABEL_STMT accessor. This gives access to the label associated with |
2ba84f36 | 1077 | the given label statement. */ |
d7e7759d BC |
1078 | #define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0) |
1079 | ||
8d37a5c0 JM |
1080 | /* COMPOUND_LITERAL_EXPR accessors. */ |
1081 | #define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ | |
db3acfa5 | 1082 | TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) |
8d37a5c0 JM |
1083 | #define COMPOUND_LITERAL_EXPR_DECL(NODE) \ |
1084 | DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) | |
db3acfa5 | 1085 | |
d7e7759d BC |
1086 | /* Nonzero if this SCOPE_STMT is for the beginning of a scope. */ |
1087 | #define SCOPE_BEGIN_P(NODE) \ | |
21c7361e | 1088 | (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE))) |
d7e7759d BC |
1089 | |
1090 | /* Nonzero if this SCOPE_STMT is for the end of a scope. */ | |
1091 | #define SCOPE_END_P(NODE) \ | |
1092 | (!SCOPE_BEGIN_P (SCOPE_STMT_CHECK (NODE))) | |
1093 | ||
1094 | /* The BLOCK containing the declarations contained in this scope. */ | |
1095 | #define SCOPE_STMT_BLOCK(NODE) \ | |
1096 | (TREE_OPERAND (SCOPE_STMT_CHECK (NODE), 0)) | |
1097 | ||
1098 | /* Nonzero for a SCOPE_STMT if there were no variables in this scope. */ | |
1099 | #define SCOPE_NULLIFIED_P(NODE) \ | |
1100 | (SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE) | |
1101 | ||
1102 | /* Nonzero for a SCOPE_STMT which represents a lexical scope, but | |
ff7cc307 | 1103 | which should be treated as non-existent from the point of view of |
d7e7759d BC |
1104 | running cleanup actions. */ |
1105 | #define SCOPE_NO_CLEANUPS_P(NODE) \ | |
1106 | (TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE))) | |
1107 | ||
1108 | /* Nonzero for a SCOPE_STMT if this statement is for a partial scope. | |
1109 | For example, in: | |
21c7361e | 1110 | |
d7e7759d BC |
1111 | S s; |
1112 | l: | |
1113 | S s2; | |
1114 | goto l; | |
1115 | ||
1116 | there is (implicitly) a new scope after `l', even though there are | |
1117 | no curly braces. In particular, when we hit the goto, we must | |
1118 | destroy s2 and then re-construct it. For the implicit scope, | |
1119 | SCOPE_PARTIAL_P will be set. */ | |
1120 | #define SCOPE_PARTIAL_P(NODE) \ | |
1121 | (TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE))) | |
1122 | ||
1123 | /* Nonzero for an ASM_STMT if the assembly statement is volatile. */ | |
1124 | #define ASM_VOLATILE_P(NODE) \ | |
1125 | (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE) | |
1126 | ||
6e4ae815 MM |
1127 | /* The VAR_DECL to clean up in a CLEANUP_STMT. */ |
1128 | #define CLEANUP_DECL(NODE) \ | |
1129 | TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0) | |
1130 | /* The cleanup to run in a CLEANUP_STMT. */ | |
1131 | #define CLEANUP_EXPR(NODE) \ | |
1132 | TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1) | |
1133 | ||
de097a2d JM |
1134 | /* The filename we are changing to as of this FILE_STMT. */ |
1135 | #define FILE_STMT_FILENAME_NODE(NODE) \ | |
1136 | (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0)) | |
1137 | #define FILE_STMT_FILENAME(NODE) \ | |
1138 | (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE))) | |
1139 | ||
d7e7759d BC |
1140 | /* The line-number at which a statement began. But if |
1141 | STMT_LINENO_FOR_FN_P does holds, then this macro gives the | |
1142 | line number for the end of the current function instead. */ | |
1143 | #define STMT_LINENO(NODE) \ | |
1144 | (TREE_COMPLEXITY ((NODE))) | |
1145 | ||
da7d8304 | 1146 | /* If nonzero, the STMT_LINENO for NODE is the line at which the |
d7e7759d | 1147 | function ended. */ |
21c7361e | 1148 | #define STMT_LINENO_FOR_FN_P(NODE) \ |
d7e7759d | 1149 | (TREE_LANG_FLAG_2 ((NODE))) |
c7d87c0a | 1150 | |
f2c5f623 | 1151 | /* Nonzero if we want the new ISO rules for pushing a new scope for `for' |
2ba84f36 | 1152 | initialization variables. */ |
21c7361e | 1153 | #define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE)) |
c7d87c0a | 1154 | |
4f78b9a8 RH |
1155 | /* Nonzero if we want to create an ASM_INPUT instead of an |
1156 | ASM_OPERAND with no operands. */ | |
1157 | #define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE)) | |
1158 | ||
c7d87c0a BC |
1159 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, |
1160 | ||
1161 | enum c_tree_code { | |
1162 | C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, | |
1163 | #include "c-common.def" | |
1164 | LAST_C_TREE_CODE | |
1165 | }; | |
1166 | ||
1167 | #undef DEFTREECODE | |
1168 | ||
009ed910 SB |
1169 | #define c_common_stmt_codes \ |
1170 | CLEANUP_STMT, EXPR_STMT, COMPOUND_STMT, \ | |
1171 | DECL_STMT, IF_STMT, FOR_STMT, \ | |
1172 | WHILE_STMT, DO_STMT, RETURN_STMT, \ | |
1173 | BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \ | |
1174 | SWITCH_STMT, GOTO_STMT, LABEL_STMT, \ | |
1175 | ASM_STMT, FILE_STMT, CASE_LABEL | |
1176 | ||
1177 | /* TRUE if a code represents a statement. The front end init | |
1178 | langhook should take care of initialization of this array. */ | |
1179 | extern bool statement_code_p[MAX_TREE_CODES]; | |
1180 | ||
1181 | #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)] | |
1182 | ||
1183 | #define INIT_STATEMENT_CODES(STMT_CODES) \ | |
1184 | do { \ | |
1185 | unsigned int i; \ | |
1186 | memset (&statement_code_p, 0, sizeof (statement_code_p)); \ | |
1187 | for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \ | |
1188 | statement_code_p[STMT_CODES[i]] = true; \ | |
1189 | } while (0) | |
1190 | ||
35b1a6fa AJ |
1191 | extern void genrtl_do_pushlevel (void); |
1192 | extern void genrtl_goto_stmt (tree); | |
1193 | extern void genrtl_expr_stmt (tree); | |
1194 | extern void genrtl_expr_stmt_value (tree, int, int); | |
1195 | extern void genrtl_decl_stmt (tree); | |
1196 | extern void genrtl_if_stmt (tree); | |
1197 | extern void genrtl_while_stmt (tree); | |
1198 | extern void genrtl_do_stmt (tree); | |
1199 | extern void genrtl_return_stmt (tree); | |
1200 | extern void genrtl_for_stmt (tree); | |
1201 | extern void genrtl_break_stmt (void); | |
1202 | extern void genrtl_continue_stmt (void); | |
1203 | extern void genrtl_scope_stmt (tree); | |
1204 | extern void genrtl_switch_stmt (tree); | |
1205 | extern void genrtl_case_label (tree); | |
1206 | extern void genrtl_compound_stmt (tree); | |
1207 | extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int); | |
1208 | extern void genrtl_cleanup_stmt (tree); | |
1209 | extern int stmts_are_full_exprs_p (void); | |
1210 | extern int anon_aggr_type_p (tree); | |
f2c5f623 BC |
1211 | |
1212 | /* For a VAR_DECL that is an anonymous union, these are the various | |
1213 | sub-variables that make up the anonymous union. */ | |
1214 | #define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) | |
1215 | ||
0a7394bc MM |
1216 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
1217 | #define DECL_C_BIT_FIELD(NODE) \ | |
1218 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
1219 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
1220 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
1221 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
1222 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
1223 | ||
3645c4dc RH |
1224 | /* In a VAR_DECL, nonzero if the decl is a register variable with |
1225 | an explicit asm specification. */ | |
1226 | #define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL)) | |
1227 | ||
35b1a6fa AJ |
1228 | extern void emit_local_var (tree); |
1229 | extern void make_rtl_for_local_static (tree); | |
1230 | extern tree expand_cond (tree); | |
1231 | extern tree c_expand_return (tree); | |
1232 | extern tree do_case (tree, tree); | |
1233 | extern tree build_stmt (enum tree_code, ...); | |
1234 | extern tree build_case_label (tree, tree, tree); | |
1235 | extern tree build_continue_stmt (void); | |
1236 | extern tree build_break_stmt (void); | |
1237 | extern tree build_return_stmt (tree); | |
f2c5f623 BC |
1238 | |
1239 | #define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE) | |
1240 | ||
ade3dc07 JM |
1241 | /* Used by the C++ frontend to mark the block around the member |
1242 | initializers and cleanups. */ | |
1243 | #define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE) | |
1244 | ||
177560b2 | 1245 | extern void c_expand_asm_operands (tree, tree, tree, tree, int, location_t); |
ab76ca54 MM |
1246 | |
1247 | /* These functions must be defined by each front-end which implements | |
1248 | a variant of the C language. They are used in c-common.c. */ | |
1249 | ||
35b1a6fa AJ |
1250 | extern tree build_unary_op (enum tree_code, tree, int); |
1251 | extern tree build_binary_op (enum tree_code, tree, tree, int); | |
1252 | extern int lvalue_p (tree); | |
1253 | extern tree default_conversion (tree); | |
ab76ca54 MM |
1254 | |
1255 | /* Given two integer or real types, return the type for their sum. | |
1256 | Given two compatible ANSI C types, returns the merged type. */ | |
1257 | ||
35b1a6fa | 1258 | extern tree common_type (tree, tree); |
44835fdd | 1259 | |
35b1a6fa | 1260 | extern tree expand_tree_builtin (tree, tree, tree); |
0e5921e8 | 1261 | |
35b1a6fa | 1262 | extern tree decl_constant_value (tree); |
56cb9733 | 1263 | |
19552aa5 | 1264 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 1265 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 1266 | |
0e5921e8 ZW |
1267 | /* Hook currently used only by the C++ front end to reset internal state |
1268 | after entering or leaving a header file. */ | |
35b1a6fa | 1269 | extern void extract_interface_info (void); |
0e5921e8 | 1270 | |
35b1a6fa | 1271 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 1272 | |
35b1a6fa | 1273 | extern tree c_add_case_label (splay_tree, tree, tree, tree); |
8f17b5c5 | 1274 | |
35b1a6fa | 1275 | extern tree build_function_call (tree, tree); |
c70eaeaf | 1276 | |
35b1a6fa | 1277 | extern tree finish_label_address_expr (tree); |
15b732b2 NB |
1278 | |
1279 | /* Same function prototype, but the C and C++ front ends have | |
1280 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 1281 | extern tree lookup_label (tree); |
15b732b2 | 1282 | |
0fab64a3 | 1283 | extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); |
8f17b5c5 | 1284 | |
35b1a6fa | 1285 | extern int c_safe_from_p (rtx, tree); |
8f17b5c5 | 1286 | |
35b1a6fa | 1287 | extern int c_staticp (tree); |
db3acfa5 | 1288 | |
35b1a6fa | 1289 | extern int c_common_unsafe_for_reeval (tree); |
3fe30ff6 | 1290 | |
35b1a6fa | 1291 | extern void init_c_lex (void); |
81a75f0f | 1292 | |
35b1a6fa | 1293 | extern void c_cpp_builtins (cpp_reader *); |
76c3e73e | 1294 | |
731e8b38 MM |
1295 | /* Positive if an implicit `extern "C"' scope has just been entered; |
1296 | negative if such a scope has just been exited. */ | |
1297 | extern int pending_lang_change; | |
1298 | ||
0e5921e8 ZW |
1299 | /* Information recorded about each file examined during compilation. */ |
1300 | ||
1301 | struct c_fileinfo | |
1302 | { | |
1303 | int time; /* Time spent in the file. */ | |
1304 | short interface_only; /* Flags - used only by C++ */ | |
1305 | short interface_unknown; | |
1306 | }; | |
1307 | ||
35b1a6fa AJ |
1308 | struct c_fileinfo *get_fileinfo (const char *); |
1309 | extern void dump_time_statistics (void); | |
1310 | ||
1311 | extern bool c_dump_tree (void *, tree); | |
1312 | ||
1313 | extern void pch_init (void); | |
1314 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); | |
1315 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
1316 | const char *orig); | |
1317 | extern void c_common_write_pch (void); | |
18c81520 | 1318 | extern void c_common_no_more_pch (void); |
35b1a6fa AJ |
1319 | extern void builtin_define_with_value (const char *, const char *, int); |
1320 | extern void c_stddef_cpp_builtins (void); | |
1321 | extern void fe_file_change (const struct line_map *); | |
084c1779 | 1322 | extern int c_estimate_num_insns (tree decl); |
3390f9c9 | 1323 | extern bool c_decl_uninit (tree t); |
4bb8ca28 | 1324 | extern void c_parse_error (const char *, enum cpp_ttype, tree); |
9d10c9a9 | 1325 | |
264fa2db ZL |
1326 | /* The following have been moved here from c-tree.h, since they're needed |
1327 | in the ObjC++ world, too. What is more, stub-objc.c could use a few | |
1328 | prototypes. */ | |
1329 | extern tree lookup_interface (tree); | |
1330 | extern tree is_class_name (tree); | |
1331 | extern tree objc_is_object_ptr (tree); | |
1332 | extern void objc_check_decl (tree); | |
1333 | extern int objc_comptypes (tree, tree, int); | |
1334 | extern tree objc_message_selector (void); | |
1335 | extern tree lookup_objc_ivar (tree); | |
1336 | extern void *get_current_scope (void); | |
1337 | extern void objc_mark_locals_volatile (void *); | |
1338 | ||
9d10c9a9 | 1339 | /* In c-ppoutput.c */ |
35b1a6fa AJ |
1340 | extern void init_pp_output (FILE *); |
1341 | extern void preprocess_file (cpp_reader *); | |
1342 | extern void pp_file_change (const struct line_map *); | |
17211ab5 | 1343 | |
88657302 | 1344 | #endif /* ! GCC_C_COMMON_H */ |