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7f4edbcb | 1 | /* Definitions for c-common.c. |
517cbe13 | 2 | Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, |
35fd3193 | 3 | 1999, 2000, 2001, 2002, 2003, 2004, 2005 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 | 18 | along with GCC; see the file COPYING. If not, write to the Free |
366ccddb KC |
19 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
20 | 02110-1301, 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 | 29 | /* Usage of TREE_LANG_FLAG_?: |
325c3691 | 30 | 0: TREE_NEGATED_INT (in INTEGER_CST). |
f2c5f623 | 31 | IDENTIFIER_MARKED (used by search routines). |
f2c5f623 | 32 | DECL_PRETTY_FUNCTION_P (in VAR_DECL) |
f2c5f623 | 33 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
325c3691 | 34 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
6de9cd9a | 35 | 2: unused |
174283a3 | 36 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
325c3691 | 37 | 4: unused |
f2c5f623 BC |
38 | */ |
39 | ||
0e5921e8 | 40 | /* Reserved identifiers. This is the union of all the keywords for C, |
40f03658 | 41 | C++, and Objective-C. All the type modifiers have to be in one |
0e5921e8 ZW |
42 | block at the beginning, because they are used as mask bits. There |
43 | are 27 type modifiers; if we add many more we will have to redesign | |
44 | the mask mechanism. */ | |
f09f1de5 MM |
45 | |
46 | enum rid | |
47 | { | |
0e5921e8 | 48 | /* Modifiers: */ |
2ba84f36 | 49 | /* C, in empirical order of frequency. */ |
0e5921e8 ZW |
50 | RID_STATIC = 0, |
51 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, | |
52 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, | |
53 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, | |
54 | ||
55 | /* C extensions */ | |
66804d9e | 56 | RID_COMPLEX, RID_THREAD, |
0e5921e8 ZW |
57 | |
58 | /* C++ */ | |
59 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
60 | ||
61 | /* ObjC */ | |
b8363a24 | 62 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
0e5921e8 ZW |
63 | |
64 | /* C */ | |
65 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, | |
66 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, | |
67 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, | |
68 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, | |
69 | RID_SIZEOF, | |
70 | ||
71 | /* C extensions */ | |
72 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | |
da5b307a JM |
73 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
74 | RID_TYPES_COMPATIBLE_P, | |
9a8ce21f | 75 | RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
0e5921e8 | 76 | |
0ba8a114 NS |
77 | /* Too many ways of getting the name of a function as a string */ |
78 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
79 | ||
0e5921e8 ZW |
80 | /* C++ */ |
81 | RID_BOOL, RID_WCHAR, RID_CLASS, | |
82 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
83 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
84 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
c22cacf3 MS |
85 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
86 | RID_THIS, RID_THROW, RID_TRUE, | |
87 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
263ee052 | 88 | RID_USING, |
0e5921e8 ZW |
89 | |
90 | /* casts */ | |
91 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
92 | ||
218f0015 DG |
93 | /* C++0x */ |
94 | RID_STATIC_ASSERT, | |
95 | ||
40f03658 | 96 | /* Objective-C */ |
3a3589b4 | 97 | RID_AT_ENCODE, RID_AT_END, |
0e5921e8 ZW |
98 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
99 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, | |
c22cacf3 | 100 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
264fa2db ZL |
101 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
102 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, | |
103 | RID_AT_INTERFACE, | |
0e5921e8 ZW |
104 | RID_AT_IMPLEMENTATION, |
105 | ||
106 | RID_MAX, | |
107 | ||
108 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
109 | RID_LAST_MODIFIER = RID_ONEWAY, |
110 | ||
111 | RID_FIRST_AT = RID_AT_ENCODE, | |
112 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
113 | RID_FIRST_PQ = RID_IN, | |
114 | RID_LAST_PQ = RID_ONEWAY | |
f09f1de5 MM |
115 | }; |
116 | ||
b8363a24 | 117 | #define OBJC_IS_AT_KEYWORD(rid) \ |
3f75a254 JM |
118 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
119 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
b8363a24 ZW |
120 | |
121 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
3f75a254 JM |
122 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
123 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
b8363a24 | 124 | |
f09f1de5 MM |
125 | /* The elements of `ridpointers' are identifier nodes for the reserved |
126 | type names and storage classes. It is indexed by a RID_... value. */ | |
3f75a254 | 127 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
f09f1de5 | 128 | |
7f4edbcb BS |
129 | /* Standard named or nameless data types of the C compiler. */ |
130 | ||
131 | enum c_tree_index | |
132 | { | |
7f4edbcb BS |
133 | CTI_WCHAR_TYPE, |
134 | CTI_SIGNED_WCHAR_TYPE, | |
135 | CTI_UNSIGNED_WCHAR_TYPE, | |
c5ab7f91 | 136 | CTI_WINT_TYPE, |
cd732418 JM |
137 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
138 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
139 | CTI_INTMAX_TYPE, |
140 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
141 | CTI_WIDEST_INT_LIT_TYPE, |
142 | CTI_WIDEST_UINT_LIT_TYPE, | |
143 | ||
7f4edbcb BS |
144 | CTI_CHAR_ARRAY_TYPE, |
145 | CTI_WCHAR_ARRAY_TYPE, | |
146 | CTI_INT_ARRAY_TYPE, | |
147 | CTI_STRING_TYPE, | |
148 | CTI_CONST_STRING_TYPE, | |
149 | ||
19552aa5 | 150 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
151 | CTI_TRUTHVALUE_TYPE, |
152 | CTI_TRUTHVALUE_TRUE, | |
153 | CTI_TRUTHVALUE_FALSE, | |
154 | ||
7f4edbcb | 155 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 156 | |
2ba84f36 | 157 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
158 | CTI_FUNCTION_NAME_DECL, |
159 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
160 | CTI_C99_FUNCTION_NAME_DECL, | |
161 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
c22cacf3 | 162 | |
ae499cce MM |
163 | CTI_VOID_ZERO, |
164 | ||
b2f97e4a MM |
165 | CTI_NULL, |
166 | ||
7f4edbcb BS |
167 | CTI_MAX |
168 | }; | |
169 | ||
b621a4dd | 170 | #define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) |
2a967f3d NB |
171 | |
172 | /* Identifier part common to the C front ends. Inherits from | |
173 | tree_identifier, despite appearances. */ | |
e2500fed | 174 | struct c_common_identifier GTY(()) |
2a967f3d NB |
175 | { |
176 | struct tree_common common; | |
17211ab5 | 177 | struct cpp_hashnode node; |
2a967f3d NB |
178 | }; |
179 | ||
7f4edbcb BS |
180 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
181 | #define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] | |
182 | #define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] | |
c5ab7f91 | 183 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
cd732418 JM |
184 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
185 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
b15ad712 JM |
186 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
187 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
7f4edbcb BS |
188 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
189 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
190 | ||
de7df9eb JM |
191 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
192 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
193 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
19552aa5 | 194 | |
7f4edbcb BS |
195 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
196 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] | |
197 | #define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] | |
198 | #define string_type_node c_global_trees[CTI_STRING_TYPE] | |
199 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
200 | ||
201 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
7f4edbcb | 202 | |
0ba8a114 NS |
203 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
204 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
205 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
206 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
63ad61ed | 207 | |
ae499cce MM |
208 | /* A node for `((void) 0)'. */ |
209 | #define void_zero_node c_global_trees[CTI_VOID_ZERO] | |
210 | ||
b2f97e4a MM |
211 | /* The node for C++ `__null'. */ |
212 | #define null_node c_global_trees[CTI_NULL] | |
213 | ||
e2500fed | 214 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 215 | |
e0a21ab9 KH |
216 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
217 | tree for size reasons. */ | |
d07605f5 AP |
218 | struct sorted_fields_type GTY(()) |
219 | { | |
220 | int len; | |
221 | tree GTY((length ("%h.len"))) elts[1]; | |
222 | }; | |
223 | ||
8f17b5c5 MM |
224 | /* Mark which labels are explicitly declared. |
225 | These may be shadowed, and may be referenced from nested functions. */ | |
226 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
227 | ||
ab76ca54 MM |
228 | typedef enum c_language_kind |
229 | { | |
37fa72e9 NB |
230 | clk_c = 0, /* C90, C94 or C99 */ |
231 | clk_objc = 1, /* clk_c with ObjC features. */ | |
232 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
233 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
21c7361e | 234 | } |
ab76ca54 MM |
235 | c_language_kind; |
236 | ||
37fa72e9 NB |
237 | /* To test for a specific language use c_language, defined by each |
238 | front end. For "ObjC features" or "not C++" use the macros. */ | |
239 | extern c_language_kind c_language; | |
240 | ||
241 | #define c_dialect_cxx() (c_language & clk_cxx) | |
242 | #define c_dialect_objc() (c_language & clk_objc) | |
243 | ||
ae499cce MM |
244 | /* Information about a statement tree. */ |
245 | ||
e2500fed | 246 | struct stmt_tree_s GTY(()) { |
35fd3193 | 247 | /* The current statement list being collected. */ |
325c3691 RH |
248 | tree x_cur_stmt_list; |
249 | ||
da7d8304 | 250 | /* In C++, Nonzero if we should treat statements as full |
ae499cce MM |
251 | expressions. In particular, this variable is no-zero if at the |
252 | end of a statement we should destroy any temporaries created | |
253 | during that statement. Similarly, if, at the end of a block, we | |
254 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 255 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
256 | C++. |
257 | ||
258 | However, in order to represent aggregate initialization code as | |
259 | tree structure, we use statement-expressions. The statements | |
260 | within the statement expression should not result in cleanups | |
21c7361e | 261 | being run until the entire enclosing statement is complete. |
ae499cce MM |
262 | |
263 | This flag has no effect in C. */ | |
21c7361e | 264 | int stmts_are_full_exprs_p; |
ae499cce MM |
265 | }; |
266 | ||
267 | typedef struct stmt_tree_s *stmt_tree; | |
268 | ||
269 | /* Global state pertinent to the current function. Some C dialects | |
270 | extend this structure with additional fields. */ | |
271 | ||
e2500fed | 272 | struct c_language_function GTY(()) { |
ae499cce MM |
273 | /* While we are parsing the function, this contains information |
274 | about the statement-tree that we are building. */ | |
275 | struct stmt_tree_s x_stmt_tree; | |
276 | }; | |
277 | ||
35fd3193 | 278 | /* When building a statement-tree, this is the current statement list |
325c3691 | 279 | being collected. It's TREE_CHAIN is a back-pointer to the previous |
35fd3193 | 280 | statement list. */ |
ae499cce | 281 | |
325c3691 | 282 | #define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list) |
8f17b5c5 MM |
283 | |
284 | /* Language-specific hooks. */ | |
285 | ||
21c7361e AJ |
286 | /* Callback that determines if it's ok for a function to have no |
287 | noreturn attribute. */ | |
35b1a6fa AJ |
288 | extern int (*lang_missing_noreturn_ok_p) (tree); |
289 | ||
4684cd27 MM |
290 | /* If non-NULL, this function is called after a precompile header file |
291 | is loaded. */ | |
292 | extern void (*lang_post_pch_load) (void); | |
293 | ||
f75fbaf7 ZW |
294 | extern void push_file_scope (void); |
295 | extern void pop_file_scope (void); | |
35b1a6fa | 296 | extern stmt_tree current_stmt_tree (void); |
325c3691 | 297 | extern tree push_stmt_list (void); |
325c3691 | 298 | extern tree pop_stmt_list (tree); |
35b1a6fa | 299 | extern tree add_stmt (tree); |
325c3691 | 300 | extern void push_cleanup (tree, tree, bool); |
953ff289 DN |
301 | extern tree pushdecl_top_level (tree); |
302 | extern tree pushdecl (tree); | |
303 | extern tree build_modify_expr (tree, enum tree_code, tree); | |
304 | extern tree build_indirect_ref (tree, const char *); | |
35b1a6fa | 305 | |
3c79fa86 | 306 | extern int c_expand_decl (tree); |
c1e14513 | 307 | |
d07605f5 | 308 | extern int field_decl_cmp (const void *, const void *); |
c22cacf3 MS |
309 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, |
310 | void *); | |
84b8b0e0 | 311 | extern bool has_c_linkage (tree decl); |
17211ab5 | 312 | \f |
4078b403 NB |
313 | /* Switches common to the C front ends. */ |
314 | ||
aaf93206 | 315 | /* Nonzero if prepreprocessing only. */ |
17211ab5 | 316 | |
aaf93206 NB |
317 | extern int flag_preprocess_only; |
318 | ||
264fa2db ZL |
319 | /* Zero means that faster, ...NonNil variants of objc_msgSend... |
320 | calls will be used in ObjC; passing nil receivers to such calls | |
321 | will most likely result in crashes. */ | |
322 | extern int flag_nil_receivers; | |
323 | ||
324 | /* Nonzero means that we will allow new ObjC exception syntax (@throw, | |
325 | @try, etc.) in source code. */ | |
326 | extern int flag_objc_exceptions; | |
327 | ||
093c7153 RH |
328 | /* Nonzero means that we generate NeXT setjmp based exceptions. */ |
329 | extern int flag_objc_sjlj_exceptions; | |
330 | ||
264fa2db ZL |
331 | /* Nonzero means that code generation will be altered to support |
332 | "zero-link" execution. This currently affects ObjC only, but may | |
333 | affect other languages in the future. */ | |
334 | extern int flag_zero_link; | |
335 | ||
336 | /* Nonzero means emit an '__OBJC, __image_info' for the current translation | |
337 | unit. It will inform the ObjC runtime that class definition(s) herein | |
338 | contained are to replace one(s) previously loaded. */ | |
339 | extern int flag_replace_objc_classes; | |
340 | ||
63973df3 NB |
341 | /* Nonzero means don't output line number information. */ |
342 | ||
343 | extern char flag_no_line_commands; | |
344 | ||
345 | /* Nonzero causes -E output not to be done, but directives such as | |
346 | #define that have side effects are still obeyed. */ | |
347 | ||
348 | extern char flag_no_output; | |
349 | ||
350 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M' or | |
351 | 'N' of the command line switch. */ | |
352 | ||
353 | extern char flag_dump_macros; | |
354 | ||
355 | /* Nonzero means pass #include lines through to the output. */ | |
356 | ||
357 | extern char flag_dump_includes; | |
358 | ||
c0d578e6 GK |
359 | /* Nonzero means process PCH files while preprocessing. */ |
360 | ||
361 | extern bool flag_pch_preprocess; | |
362 | ||
17211ab5 GK |
363 | /* The file name to which we should write a precompiled header, or |
364 | NULL if no header will be written in this compile. */ | |
365 | ||
366 | extern const char *pch_file; | |
367 | ||
3df89291 NB |
368 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
369 | user's namespace. */ | |
17211ab5 | 370 | |
3df89291 NB |
371 | extern int flag_iso; |
372 | ||
373 | /* Nonzero if -undef was given. It suppresses target built-in macros | |
374 | and assertions. */ | |
17211ab5 | 375 | |
3df89291 NB |
376 | extern int flag_undef; |
377 | ||
4078b403 | 378 | /* Nonzero means don't recognize the non-ANSI builtin functions. */ |
ab76ca54 | 379 | |
4078b403 NB |
380 | extern int flag_no_builtin; |
381 | ||
382 | /* Nonzero means don't recognize the non-ANSI builtin functions. | |
383 | -ansi sets this. */ | |
384 | ||
385 | extern int flag_no_nonansi_builtin; | |
ab76ca54 | 386 | |
eaa7c03f JM |
387 | /* Nonzero means give `double' the same size as `float'. */ |
388 | ||
389 | extern int flag_short_double; | |
390 | ||
391 | /* Nonzero means give `wchar_t' the same size as `short'. */ | |
392 | ||
393 | extern int flag_short_wchar; | |
394 | ||
750491fc RH |
395 | /* Nonzero means allow Microsoft extensions without warnings or errors. */ |
396 | extern int flag_ms_extensions; | |
397 | ||
4078b403 NB |
398 | /* Nonzero means don't recognize the keyword `asm'. */ |
399 | ||
400 | extern int flag_no_asm; | |
401 | ||
402 | /* Nonzero means give string constants the type `const char *', as mandated | |
403 | by the standard. */ | |
404 | ||
405 | extern int flag_const_strings; | |
406 | ||
4078b403 NB |
407 | /* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ |
408 | ||
409 | extern int flag_signed_bitfields; | |
4078b403 | 410 | |
c22cacf3 | 411 | /* Warn about #pragma directives that are not recognized. */ |
4078b403 | 412 | |
c22cacf3 | 413 | extern int warn_unknown_pragmas; /* Tri state variable. */ |
4078b403 | 414 | |
4078b403 NB |
415 | /* Warn about format/argument anomalies in calls to formatted I/O functions |
416 | (*printf, *scanf, strftime, strfmon, etc.). */ | |
ab76ca54 MM |
417 | |
418 | extern int warn_format; | |
419 | ||
b34c7881 | 420 | |
4078b403 | 421 | /* C/ObjC language option variables. */ |
b34c7881 | 422 | |
2683ed8d | 423 | |
4078b403 NB |
424 | /* Nonzero means allow type mismatches in conditional expressions; |
425 | just make their values `void'. */ | |
74ff4629 | 426 | |
4078b403 | 427 | extern int flag_cond_mismatch; |
6c36d76b | 428 | |
eaf299c6 | 429 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
430 | |
431 | extern int flag_isoc94; | |
432 | ||
ab76ca54 MM |
433 | /* Nonzero means use the ISO C99 dialect of C. */ |
434 | ||
435 | extern int flag_isoc99; | |
436 | ||
6614fd40 | 437 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
438 | |
439 | extern int flag_hosted; | |
440 | ||
4078b403 NB |
441 | /* Warn if main is suspicious. */ |
442 | ||
443 | extern int warn_main; | |
444 | ||
4078b403 NB |
445 | |
446 | /* ObjC language option variables. */ | |
447 | ||
448 | ||
449 | /* Open and close the file for outputting class declarations, if | |
450 | requested (ObjC). */ | |
451 | ||
452 | extern int flag_gen_declaration; | |
453 | ||
4078b403 NB |
454 | /* Tells the compiler that this is a special run. Do not perform any |
455 | compiling, instead we are to test some platform dependent features | |
456 | and output a C header file with appropriate definitions. */ | |
457 | ||
458 | extern int print_struct_values; | |
459 | ||
460 | /* ???. Undocumented. */ | |
461 | ||
fd350d24 | 462 | extern const char *constant_string_class_name; |
4078b403 | 463 | |
4078b403 NB |
464 | |
465 | /* C++ language option variables. */ | |
466 | ||
467 | ||
468 | /* Nonzero means don't recognize any extension keywords. */ | |
469 | ||
470 | extern int flag_no_gnu_keywords; | |
471 | ||
472 | /* Nonzero means do emit exported implementations of functions even if | |
473 | they can be inlined. */ | |
474 | ||
475 | extern int flag_implement_inlines; | |
476 | ||
4078b403 NB |
477 | /* Nonzero means that implicit instantiations will be emitted if needed. */ |
478 | ||
479 | extern int flag_implicit_templates; | |
480 | ||
481 | /* Nonzero means that implicit instantiations of inline templates will be | |
482 | emitted if needed, even if instantiations of non-inline templates | |
483 | aren't. */ | |
484 | ||
485 | extern int flag_implicit_inline_templates; | |
486 | ||
487 | /* Nonzero means generate separate instantiation control files and | |
488 | juggle them at link time. */ | |
489 | ||
490 | extern int flag_use_repository; | |
491 | ||
492 | /* Nonzero if we want to issue diagnostics that the standard says are not | |
493 | required. */ | |
494 | ||
495 | extern int flag_optional_diags; | |
496 | ||
497 | /* Nonzero means we should attempt to elide constructors when possible. */ | |
498 | ||
499 | extern int flag_elide_constructors; | |
500 | ||
501 | /* Nonzero means that member functions defined in class scope are | |
502 | inline by default. */ | |
503 | ||
504 | extern int flag_default_inline; | |
505 | ||
506 | /* Controls whether compiler generates 'type descriptor' that give | |
507 | run-time type information. */ | |
508 | ||
509 | extern int flag_rtti; | |
510 | ||
511 | /* Nonzero if we want to conserve space in the .o files. We do this | |
512 | by putting uninitialized data and runtime initialized data into | |
513 | .common instead of .data at the expense of not flagging multiple | |
514 | definitions. */ | |
515 | ||
516 | extern int flag_conserve_space; | |
517 | ||
518 | /* Nonzero if we want to obey access control semantics. */ | |
519 | ||
520 | extern int flag_access_control; | |
521 | ||
522 | /* Nonzero if we want to check the return value of new and avoid calling | |
523 | constructors if it is a null pointer. */ | |
524 | ||
525 | extern int flag_check_new; | |
526 | ||
966541e3 DG |
527 | /* Nonzero if we want to allow the use of experimental features that |
528 | are likely to become part of C++0x. */ | |
529 | ||
530 | extern int flag_cpp0x; | |
531 | ||
4078b403 NB |
532 | /* Nonzero if we want the new ISO rules for pushing a new scope for `for' |
533 | initialization variables. | |
534 | 0: Old rules, set by -fno-for-scope. | |
535 | 2: New ISO rules, set by -ffor-scope. | |
536 | 1: Try to implement new ISO rules, but with backup compatibility | |
537 | (and warnings). This is the default, for now. */ | |
538 | ||
539 | extern int flag_new_for_scope; | |
540 | ||
541 | /* Nonzero if we want to emit defined symbols with common-like linkage as | |
542 | weak symbols where possible, in order to conform to C++ semantics. | |
543 | Otherwise, emit them as local symbols. */ | |
544 | ||
545 | extern int flag_weak; | |
546 | ||
b20d9f0c AO |
547 | /* 0 means we want the preprocessor to not emit line directives for |
548 | the current working directory. 1 means we want it to do it. -1 | |
549 | means we should decide depending on whether debugging information | |
550 | is being emitted or not. */ | |
551 | ||
552 | extern int flag_working_directory; | |
553 | ||
4078b403 NB |
554 | /* Nonzero to use __cxa_atexit, rather than atexit, to register |
555 | destructors for local statics and global objects. */ | |
556 | ||
557 | extern int flag_use_cxa_atexit; | |
558 | ||
c7b5e395 GK |
559 | /* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling |
560 | logic. */ | |
561 | ||
562 | extern int flag_use_cxa_get_exception_ptr; | |
563 | ||
4078b403 NB |
564 | /* Nonzero means make the default pedwarns warnings instead of errors. |
565 | The value of this flag is ignored if -pedantic is specified. */ | |
566 | ||
567 | extern int flag_permissive; | |
568 | ||
569 | /* Nonzero means to implement standard semantics for exception | |
570 | specifications, calling unexpected if an exception is thrown that | |
571 | doesn't match the specification. Zero means to treat them as | |
572 | assertions and optimize accordingly, but not check them. */ | |
573 | ||
574 | extern int flag_enforce_eh_specs; | |
575 | ||
40aac948 JM |
576 | /* Nonzero (the default) means to generate thread-safe code for |
577 | initializing local statics. */ | |
578 | ||
579 | extern int flag_threadsafe_statics; | |
580 | ||
4078b403 NB |
581 | /* Nonzero means warn about implicit declarations. */ |
582 | ||
583 | extern int warn_implicit; | |
584 | ||
b2f97e4a MM |
585 | /* Warn about using __null (as NULL in C++) as sentinel. For code compiled |
586 | with GCC this doesn't matter as __null is guaranteed to have the right | |
587 | size. */ | |
588 | ||
589 | extern int warn_strict_null_sentinel; | |
590 | ||
4078b403 NB |
591 | /* Maximum template instantiation depth. This limit is rather |
592 | arbitrary, but it exists to limit the time it takes to notice | |
593 | infinite template instantiations. */ | |
594 | ||
595 | extern int max_tinst_depth; | |
ab76ca54 | 596 | |
25587e40 AO |
597 | /* Nonzero means the expression being parsed will never be evaluated. |
598 | This is a count, since unevaluated expressions can nest. */ | |
599 | ||
600 | extern int skip_evaluation; | |
601 | ||
ab76ca54 MM |
602 | /* C types are partitioned into three subsets: object, function, and |
603 | incomplete types. */ | |
604 | #define C_TYPE_OBJECT_P(type) \ | |
605 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
606 | ||
607 | #define C_TYPE_INCOMPLETE_P(type) \ | |
608 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
609 | ||
610 | #define C_TYPE_FUNCTION_P(type) \ | |
611 | (TREE_CODE (type) == FUNCTION_TYPE) | |
612 | ||
613 | /* For convenience we define a single macro to identify the class of | |
614 | object or incomplete types. */ | |
615 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
616 | (!C_TYPE_FUNCTION_P (type)) | |
617 | ||
349ae713 NB |
618 | /* Attribute table common to the C front ends. */ |
619 | extern const struct attribute_spec c_common_attribute_table[]; | |
620 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
621 | ||
0ba8a114 | 622 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
623 | ID is the identifier to use, NAME is the string. |
624 | TYPE_DEP indicates whether it depends on type of the function or not | |
625 | (i.e. __PRETTY_FUNCTION__). */ | |
626 | ||
35b1a6fa AJ |
627 | extern tree (*make_fname_decl) (tree, int); |
628 | ||
629 | extern tree identifier_global_value (tree); | |
630 | extern void record_builtin_type (enum rid, const char *, tree); | |
631 | extern tree build_void_list_node (void); | |
632 | extern void start_fname_decls (void); | |
633 | extern void finish_fname_decls (void); | |
634 | extern const char *fname_as_string (int); | |
635 | extern tree fname_decl (unsigned, tree); | |
35b1a6fa | 636 | |
10a22b11 | 637 | extern void check_function_arguments (tree, tree, tree); |
35b1a6fa AJ |
638 | extern void check_function_arguments_recurse (void (*) |
639 | (void *, tree, | |
640 | unsigned HOST_WIDE_INT), | |
641 | void *, tree, | |
642 | unsigned HOST_WIDE_INT); | |
99801548 | 643 | extern void check_function_format (tree, tree); |
35b1a6fa AJ |
644 | extern void set_Wformat (int); |
645 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); | |
646 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
2772ef3e | 647 | extern int c_common_handle_option (size_t code, const char *arg, int value); |
cb66e385 | 648 | extern bool c_common_missing_argument (const char *opt, size_t code); |
35b1a6fa AJ |
649 | extern tree c_common_type_for_mode (enum machine_mode, int); |
650 | extern tree c_common_type_for_size (unsigned int, int); | |
651 | extern tree c_common_unsigned_type (tree); | |
652 | extern tree c_common_signed_type (tree); | |
653 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
38a4afee | 654 | extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
35b1a6fa AJ |
655 | extern tree c_common_truthvalue_conversion (tree); |
656 | extern void c_apply_type_quals_to_decl (int, tree); | |
03a08664 | 657 | extern tree c_sizeof_or_alignof_type (tree, bool, int); |
35b1a6fa | 658 | extern tree c_alignof_expr (tree); |
7f4edbcb BS |
659 | /* Print an error message for invalid operands to arith operation CODE. |
660 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
35b1a6fa | 661 | extern void binary_op_error (enum tree_code); |
35b1a6fa | 662 | extern tree fix_string_type (tree); |
b84a3874 | 663 | struct varray_head_tag; |
35b1a6fa | 664 | extern void constant_expression_warning (tree); |
a1e45ff0 | 665 | extern void strict_aliasing_warning (tree, tree, tree); |
74ac79fa | 666 | extern void empty_body_warning (tree, tree); |
35b1a6fa AJ |
667 | extern tree convert_and_check (tree, tree); |
668 | extern void overflow_warning (tree); | |
a1e45ff0 | 669 | extern void check_main_parameter_types (tree decl); |
b2ca3702 | 670 | extern bool c_determine_visibility (tree); |
5bed876a | 671 | extern bool same_scalar_type_ignoring_signedness (tree, tree); |
ab76ca54 | 672 | |
03a08664 ILT |
673 | #define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1) |
674 | #define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1) | |
7f4edbcb BS |
675 | |
676 | /* Subroutine of build_binary_op, used for comparison operations. | |
677 | See if the operands have both been converted from subword integer types | |
678 | and, if so, perhaps change them both back to their original type. */ | |
35b1a6fa | 679 | extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); |
7f4edbcb | 680 | |
35b1a6fa AJ |
681 | extern tree pointer_int_sum (enum tree_code, tree, tree); |
682 | extern unsigned int min_precision (tree, int); | |
50e60bc3 ZW |
683 | |
684 | /* Add qualifiers to a type, in the fashion for C. */ | |
35b1a6fa | 685 | extern tree c_build_qualified_type (tree, int); |
50e60bc3 | 686 | |
7f4edbcb BS |
687 | /* Build tree nodes and builtin functions common to both C and C++ language |
688 | frontends. */ | |
35b1a6fa | 689 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 690 | |
b482789c MA |
691 | extern void set_builtin_user_assembler_name (tree decl, const char *asmspec); |
692 | ||
35b1a6fa | 693 | extern void disable_builtin_function (const char *); |
7d14c755 | 694 | |
3b2db49f MM |
695 | extern void set_compound_literal_name (tree decl); |
696 | ||
35b1a6fa | 697 | extern tree build_va_arg (tree, tree); |
7e8176d7 | 698 | |
b86f6cd9 | 699 | extern unsigned int c_common_init_options (unsigned int, const char **); |
35b1a6fa AJ |
700 | extern bool c_common_post_options (const char **); |
701 | extern bool c_common_init (void); | |
702 | extern void c_common_finish (void); | |
703 | extern void c_common_parse_file (int); | |
704 | extern HOST_WIDE_INT c_common_get_alias_set (tree); | |
9649812a | 705 | extern void c_register_builtin_type (tree, const char*); |
35b1a6fa AJ |
706 | extern bool c_promoting_integer_type_p (tree); |
707 | extern int self_promoting_args_p (tree); | |
708 | extern tree strip_array_types (tree); | |
12ea3302 | 709 | extern tree strip_pointer_operator (tree); |
c5ff069d | 710 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
d7e7759d | 711 | |
d1bd0ded GK |
712 | /* This is the basic parsing function. */ |
713 | extern void c_parse_file (void); | |
714 | /* This is misnamed, it actually performs end-of-compilation processing. */ | |
715 | extern void finish_file (void); | |
716 | ||
c5ff069d | 717 | |
ae499cce MM |
718 | /* These macros provide convenient access to the various _STMT nodes. */ |
719 | ||
325c3691 RH |
720 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
721 | if a statement expression. */ | |
722 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
723 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
174283a3 RH |
724 | |
725 | /* Nonzero if a label has been added to the statement list. */ | |
726 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
727 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
325c3691 | 728 | |
8d37a5c0 JM |
729 | /* COMPOUND_LITERAL_EXPR accessors. */ |
730 | #define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ | |
db3acfa5 | 731 | TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) |
8d37a5c0 | 732 | #define COMPOUND_LITERAL_EXPR_DECL(NODE) \ |
350fae66 | 733 | DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) |
db3acfa5 | 734 | |
c7d87c0a BC |
735 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, |
736 | ||
737 | enum c_tree_code { | |
738 | C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, | |
739 | #include "c-common.def" | |
740 | LAST_C_TREE_CODE | |
741 | }; | |
742 | ||
743 | #undef DEFTREECODE | |
744 | ||
35b1a6fa | 745 | extern int anon_aggr_type_p (tree); |
f2c5f623 BC |
746 | |
747 | /* For a VAR_DECL that is an anonymous union, these are the various | |
748 | sub-variables that make up the anonymous union. */ | |
749 | #define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) | |
750 | ||
0a7394bc MM |
751 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
752 | #define DECL_C_BIT_FIELD(NODE) \ | |
753 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
754 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
755 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
756 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
757 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
758 | ||
35b1a6fa | 759 | extern void emit_local_var (tree); |
35b1a6fa AJ |
760 | extern tree do_case (tree, tree); |
761 | extern tree build_stmt (enum tree_code, ...); | |
762 | extern tree build_case_label (tree, tree, tree); | |
f2c5f623 | 763 | |
ab76ca54 MM |
764 | /* These functions must be defined by each front-end which implements |
765 | a variant of the C language. They are used in c-common.c. */ | |
766 | ||
35b1a6fa AJ |
767 | extern tree build_unary_op (enum tree_code, tree, int); |
768 | extern tree build_binary_op (enum tree_code, tree, tree, int); | |
522ddfa2 | 769 | extern tree perform_integral_promotions (tree); |
ab76ca54 | 770 | |
d593cb3d MS |
771 | /* These functions must be defined by each front-end which implements |
772 | a variant of the C language. They are used by port files. */ | |
773 | ||
774 | extern tree default_conversion (tree); | |
775 | ||
ab76ca54 MM |
776 | /* Given two integer or real types, return the type for their sum. |
777 | Given two compatible ANSI C types, returns the merged type. */ | |
778 | ||
35b1a6fa | 779 | extern tree common_type (tree, tree); |
44835fdd | 780 | |
35b1a6fa | 781 | extern tree decl_constant_value (tree); |
56cb9733 | 782 | |
19552aa5 | 783 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 784 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 785 | |
35b1a6fa | 786 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 787 | |
a6c0a76c | 788 | extern tree c_add_case_label (splay_tree, tree, tree, tree, tree); |
8f17b5c5 | 789 | |
fbc315db | 790 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); |
6de9cd9a | 791 | |
35b1a6fa | 792 | extern tree build_function_call (tree, tree); |
c70eaeaf | 793 | |
48ae6c13 RH |
794 | extern tree resolve_overloaded_builtin (tree, tree); |
795 | ||
35b1a6fa | 796 | extern tree finish_label_address_expr (tree); |
15b732b2 NB |
797 | |
798 | /* Same function prototype, but the C and C++ front ends have | |
799 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 800 | extern tree lookup_label (tree); |
10e6657a | 801 | extern tree lookup_name (tree); |
15b732b2 | 802 | |
cc27e657 PB |
803 | extern int vector_types_convertible_p (tree t1, tree t2); |
804 | ||
0fab64a3 | 805 | extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); |
8f17b5c5 | 806 | |
525c6bf5 | 807 | extern tree c_staticp (tree); |
db3acfa5 | 808 | |
35b1a6fa | 809 | extern void init_c_lex (void); |
81a75f0f | 810 | |
35b1a6fa | 811 | extern void c_cpp_builtins (cpp_reader *); |
76c3e73e | 812 | |
731e8b38 MM |
813 | /* Positive if an implicit `extern "C"' scope has just been entered; |
814 | negative if such a scope has just been exited. */ | |
7876228d | 815 | extern GTY(()) int pending_lang_change; |
731e8b38 | 816 | |
0e5921e8 ZW |
817 | /* Information recorded about each file examined during compilation. */ |
818 | ||
819 | struct c_fileinfo | |
820 | { | |
821 | int time; /* Time spent in the file. */ | |
5d709b00 ZW |
822 | |
823 | /* Flags used only by C++. | |
824 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
825 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
826 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
827 | INTERFACE_ONLY is zero, it means that we are responsible for | |
828 | exporting definitions that others might need. */ | |
829 | short interface_only; | |
0e5921e8 ZW |
830 | short interface_unknown; |
831 | }; | |
832 | ||
35b1a6fa AJ |
833 | struct c_fileinfo *get_fileinfo (const char *); |
834 | extern void dump_time_statistics (void); | |
835 | ||
836 | extern bool c_dump_tree (void *, tree); | |
837 | ||
6de9cd9a DN |
838 | extern void c_warn_unused_result (tree *); |
839 | ||
3a5b9284 RH |
840 | extern void verify_sequence_points (tree); |
841 | ||
6d4d7b0e | 842 | extern tree fold_offsetof (tree, tree); |
ee8a6a3e | 843 | |
5ae9ba3e | 844 | /* Places where an lvalue, or modifiable lvalue, may be required. |
37dc0d8d | 845 | Used to select diagnostic messages in lvalue_error and |
5ae9ba3e MM |
846 | readonly_error. */ |
847 | enum lvalue_use { | |
848 | lv_assign, | |
849 | lv_increment, | |
850 | lv_decrement, | |
851 | lv_addressof, | |
852 | lv_asm | |
853 | }; | |
854 | ||
37dc0d8d | 855 | extern void lvalue_error (enum lvalue_use); |
5ae9ba3e | 856 | |
aab038d5 RH |
857 | extern int complete_array_type (tree *, tree, bool); |
858 | ||
48ae6c13 RH |
859 | extern tree builtin_type_for_size (int, bool); |
860 | ||
ff6b6641 GDR |
861 | extern void warn_array_subscript_with_type_char (tree); |
862 | ||
7c34ced1 | 863 | /* In c-gimplify.c */ |
6de9cd9a | 864 | extern void c_genericize (tree); |
7c34ced1 | 865 | extern int c_gimplify_expr (tree *, tree *, tree *); |
325c3691 | 866 | extern tree c_build_bind_expr (tree, tree); |
6de9cd9a | 867 | |
c0d578e6 | 868 | /* In c-pch.c */ |
35b1a6fa AJ |
869 | extern void pch_init (void); |
870 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); | |
871 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
872 | const char *orig); | |
873 | extern void c_common_write_pch (void); | |
18c81520 | 874 | extern void c_common_no_more_pch (void); |
bc4071dd | 875 | extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
3fd30b88 GK |
876 | extern void c_common_print_pch_checksum (FILE *f); |
877 | ||
878 | /* In *-checksum.c */ | |
879 | extern const unsigned char executable_checksum[16]; | |
c0d578e6 | 880 | |
35b1a6fa AJ |
881 | extern void builtin_define_with_value (const char *, const char *, int); |
882 | extern void c_stddef_cpp_builtins (void); | |
883 | extern void fe_file_change (const struct line_map *); | |
4bb8ca28 | 884 | extern void c_parse_error (const char *, enum cpp_ttype, tree); |
9d10c9a9 | 885 | |
e5a002e3 ZL |
886 | /* Objective-C / Objective-C++ entry points. */ |
887 | ||
888 | /* The following ObjC/ObjC++ functions are called by the C and/or C++ | |
889 | front-ends; they all must have corresponding stubs in stub-objc.c. */ | |
bc095846 | 890 | extern tree objc_is_class_name (tree); |
264fa2db ZL |
891 | extern tree objc_is_object_ptr (tree); |
892 | extern void objc_check_decl (tree); | |
e5a002e3 | 893 | extern int objc_is_reserved_word (tree); |
58393038 ZL |
894 | extern bool objc_compare_types (tree, tree, int, tree); |
895 | extern void objc_volatilize_decl (tree); | |
896 | extern bool objc_type_quals_match (tree, tree); | |
6e955430 | 897 | extern tree objc_rewrite_function_call (tree, tree); |
264fa2db | 898 | extern tree objc_message_selector (void); |
16b34ad6 | 899 | extern tree objc_lookup_ivar (tree, tree); |
325c3691 | 900 | extern void objc_clear_super_receiver (void); |
7a3ea201 | 901 | extern int objc_is_public (tree, tree); |
a45bcfb2 ZL |
902 | extern tree objc_is_id (tree); |
903 | extern void objc_declare_alias (tree, tree); | |
904 | extern void objc_declare_class (tree); | |
905 | extern void objc_declare_protocols (tree); | |
906 | extern tree objc_build_message_expr (tree); | |
907 | extern tree objc_finish_message_expr (tree, tree, tree); | |
908 | extern tree objc_build_selector_expr (tree); | |
909 | extern tree objc_build_protocol_expr (tree); | |
910 | extern tree objc_build_encode_expr (tree); | |
911 | extern tree objc_build_string_object (tree); | |
912 | extern tree objc_get_protocol_qualified_type (tree, tree); | |
913 | extern tree objc_get_class_reference (tree); | |
914 | extern tree objc_get_class_ivars (tree); | |
915 | extern void objc_start_class_interface (tree, tree, tree); | |
916 | extern void objc_start_category_interface (tree, tree, tree); | |
917 | extern void objc_start_protocol (tree, tree); | |
918 | extern void objc_continue_interface (void); | |
919 | extern void objc_finish_interface (void); | |
920 | extern void objc_start_class_implementation (tree, tree); | |
921 | extern void objc_start_category_implementation (tree, tree); | |
922 | extern void objc_continue_implementation (void); | |
923 | extern void objc_finish_implementation (void); | |
924 | extern void objc_set_visibility (int); | |
925 | extern void objc_set_method_type (enum tree_code); | |
dbb74365 | 926 | extern tree objc_build_method_signature (tree, tree, tree, bool); |
a45bcfb2 ZL |
927 | extern void objc_add_method_declaration (tree); |
928 | extern void objc_start_method_definition (tree); | |
929 | extern void objc_finish_method_definition (tree); | |
930 | extern void objc_add_instance_variable (tree); | |
931 | extern tree objc_build_keyword_decl (tree, tree, tree); | |
932 | extern tree objc_build_throw_stmt (tree); | |
933 | extern void objc_begin_try_stmt (location_t, tree); | |
6e955430 | 934 | extern tree objc_finish_try_stmt (void); |
a45bcfb2 ZL |
935 | extern void objc_begin_catch_clause (tree); |
936 | extern void objc_finish_catch_clause (void); | |
937 | extern void objc_build_finally_clause (location_t, tree); | |
6e955430 | 938 | extern tree objc_build_synchronized (location_t, tree, tree); |
a45bcfb2 ZL |
939 | extern int objc_static_init_needed_p (void); |
940 | extern tree objc_generate_static_init_call (tree); | |
6e955430 | 941 | extern tree objc_generate_write_barrier (tree, enum tree_code, tree); |
264fa2db | 942 | |
e5a002e3 ZL |
943 | /* The following are provided by the C and C++ front-ends, and called by |
944 | ObjC/ObjC++. */ | |
bc095846 | 945 | extern void *objc_get_current_scope (void); |
e5a002e3 ZL |
946 | extern void objc_mark_locals_volatile (void *); |
947 | ||
9d10c9a9 | 948 | /* In c-ppoutput.c */ |
35b1a6fa AJ |
949 | extern void init_pp_output (FILE *); |
950 | extern void preprocess_file (cpp_reader *); | |
951 | extern void pp_file_change (const struct line_map *); | |
8e9ea4d7 | 952 | extern void pp_dir_change (cpp_reader *, const char *); |
104f8784 | 953 | extern bool check_missing_format_attribute (tree, tree); |
17211ab5 | 954 | |
953ff289 DN |
955 | /* In c-omp.c */ |
956 | extern tree c_finish_omp_master (tree); | |
957 | extern tree c_finish_omp_critical (tree, tree); | |
958 | extern tree c_finish_omp_ordered (tree); | |
959 | extern void c_finish_omp_barrier (void); | |
fe89d797 | 960 | extern tree c_finish_omp_atomic (enum tree_code, tree, tree); |
953ff289 DN |
961 | extern void c_finish_omp_flush (void); |
962 | extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree); | |
963 | extern void c_split_parallel_clauses (tree, tree *, tree *); | |
964 | extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); | |
965 | ||
966 | /* Not in c-omp.c; provided by the front end. */ | |
967 | extern bool c_omp_sharing_predetermined (tree); | |
968 | extern tree c_omp_remap_decl (tree, bool); | |
969 | ||
ea40ba9c JM |
970 | /* In order for the format checking to accept the C frontend |
971 | diagnostic framework extensions, you must include this file before | |
972 | toplev.h, not after. The C front end formats are a subset of those | |
973 | for C++, so they are the appropriate set to use in common code; | |
974 | cp-tree.h overrides this for C++. */ | |
975 | #ifndef GCC_DIAG_STYLE | |
976 | #define GCC_DIAG_STYLE __gcc_cdiag__ | |
977 | #endif | |
978 | ||
88657302 | 979 | #endif /* ! GCC_C_COMMON_H */ |