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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 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 | 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, | |
0e5921e8 | 75 | |
0ba8a114 NS |
76 | /* Too many ways of getting the name of a function as a string */ |
77 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
78 | ||
0e5921e8 ZW |
79 | /* C++ */ |
80 | RID_BOOL, RID_WCHAR, RID_CLASS, | |
81 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
82 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
83 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
263ee052 MM |
84 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
85 | RID_THIS, RID_THROW, RID_TRUE, | |
86 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
87 | RID_USING, | |
0e5921e8 ZW |
88 | |
89 | /* casts */ | |
90 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
91 | ||
40f03658 | 92 | /* Objective-C */ |
3a3589b4 | 93 | RID_AT_ENCODE, RID_AT_END, |
0e5921e8 ZW |
94 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
95 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, | |
264fa2db ZL |
96 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
97 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, | |
98 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, | |
99 | RID_AT_INTERFACE, | |
0e5921e8 ZW |
100 | RID_AT_IMPLEMENTATION, |
101 | ||
102 | RID_MAX, | |
103 | ||
104 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
105 | RID_LAST_MODIFIER = RID_ONEWAY, |
106 | ||
107 | RID_FIRST_AT = RID_AT_ENCODE, | |
108 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
109 | RID_FIRST_PQ = RID_IN, | |
110 | RID_LAST_PQ = RID_ONEWAY | |
f09f1de5 MM |
111 | }; |
112 | ||
b8363a24 | 113 | #define OBJC_IS_AT_KEYWORD(rid) \ |
3f75a254 JM |
114 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
115 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
b8363a24 ZW |
116 | |
117 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
3f75a254 JM |
118 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
119 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
b8363a24 | 120 | |
f09f1de5 MM |
121 | /* The elements of `ridpointers' are identifier nodes for the reserved |
122 | type names and storage classes. It is indexed by a RID_... value. */ | |
3f75a254 | 123 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
f09f1de5 | 124 | |
7f4edbcb BS |
125 | /* Standard named or nameless data types of the C compiler. */ |
126 | ||
127 | enum c_tree_index | |
128 | { | |
7f4edbcb BS |
129 | CTI_WCHAR_TYPE, |
130 | CTI_SIGNED_WCHAR_TYPE, | |
131 | CTI_UNSIGNED_WCHAR_TYPE, | |
c5ab7f91 | 132 | CTI_WINT_TYPE, |
cd732418 JM |
133 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
134 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
135 | CTI_INTMAX_TYPE, |
136 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
137 | CTI_WIDEST_INT_LIT_TYPE, |
138 | CTI_WIDEST_UINT_LIT_TYPE, | |
139 | ||
7f4edbcb BS |
140 | CTI_CHAR_ARRAY_TYPE, |
141 | CTI_WCHAR_ARRAY_TYPE, | |
142 | CTI_INT_ARRAY_TYPE, | |
143 | CTI_STRING_TYPE, | |
144 | CTI_CONST_STRING_TYPE, | |
145 | ||
19552aa5 | 146 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
147 | CTI_TRUTHVALUE_TYPE, |
148 | CTI_TRUTHVALUE_TRUE, | |
149 | CTI_TRUTHVALUE_FALSE, | |
150 | ||
7f4edbcb | 151 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 152 | |
2ba84f36 | 153 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
154 | CTI_FUNCTION_NAME_DECL, |
155 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
156 | CTI_C99_FUNCTION_NAME_DECL, | |
157 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
158 | ||
ae499cce MM |
159 | CTI_VOID_ZERO, |
160 | ||
b2f97e4a MM |
161 | CTI_NULL, |
162 | ||
7f4edbcb BS |
163 | CTI_MAX |
164 | }; | |
165 | ||
b621a4dd | 166 | #define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) |
2a967f3d NB |
167 | |
168 | /* Identifier part common to the C front ends. Inherits from | |
169 | tree_identifier, despite appearances. */ | |
e2500fed | 170 | struct c_common_identifier GTY(()) |
2a967f3d NB |
171 | { |
172 | struct tree_common common; | |
17211ab5 | 173 | struct cpp_hashnode node; |
2a967f3d NB |
174 | }; |
175 | ||
7f4edbcb BS |
176 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
177 | #define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] | |
178 | #define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] | |
c5ab7f91 | 179 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
cd732418 JM |
180 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
181 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
b15ad712 JM |
182 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
183 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
7f4edbcb BS |
184 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
185 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
186 | ||
de7df9eb JM |
187 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
188 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
189 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
19552aa5 | 190 | |
7f4edbcb BS |
191 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
192 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] | |
193 | #define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] | |
194 | #define string_type_node c_global_trees[CTI_STRING_TYPE] | |
195 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
196 | ||
197 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
7f4edbcb | 198 | |
0ba8a114 NS |
199 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
200 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
201 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
202 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
63ad61ed | 203 | |
ae499cce MM |
204 | /* A node for `((void) 0)'. */ |
205 | #define void_zero_node c_global_trees[CTI_VOID_ZERO] | |
206 | ||
b2f97e4a MM |
207 | /* The node for C++ `__null'. */ |
208 | #define null_node c_global_trees[CTI_NULL] | |
209 | ||
e2500fed | 210 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 211 | |
e0a21ab9 KH |
212 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
213 | tree for size reasons. */ | |
d07605f5 AP |
214 | struct sorted_fields_type GTY(()) |
215 | { | |
216 | int len; | |
217 | tree GTY((length ("%h.len"))) elts[1]; | |
218 | }; | |
219 | ||
8f17b5c5 MM |
220 | /* Mark which labels are explicitly declared. |
221 | These may be shadowed, and may be referenced from nested functions. */ | |
222 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
223 | ||
ab76ca54 MM |
224 | typedef enum c_language_kind |
225 | { | |
37fa72e9 NB |
226 | clk_c = 0, /* C90, C94 or C99 */ |
227 | clk_objc = 1, /* clk_c with ObjC features. */ | |
228 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
229 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
21c7361e | 230 | } |
ab76ca54 MM |
231 | c_language_kind; |
232 | ||
37fa72e9 NB |
233 | /* To test for a specific language use c_language, defined by each |
234 | front end. For "ObjC features" or "not C++" use the macros. */ | |
235 | extern c_language_kind c_language; | |
236 | ||
237 | #define c_dialect_cxx() (c_language & clk_cxx) | |
238 | #define c_dialect_objc() (c_language & clk_objc) | |
239 | ||
ae499cce MM |
240 | /* Information about a statement tree. */ |
241 | ||
e2500fed | 242 | struct stmt_tree_s GTY(()) { |
35fd3193 | 243 | /* The current statement list being collected. */ |
325c3691 RH |
244 | tree x_cur_stmt_list; |
245 | ||
da7d8304 | 246 | /* In C++, Nonzero if we should treat statements as full |
ae499cce MM |
247 | expressions. In particular, this variable is no-zero if at the |
248 | end of a statement we should destroy any temporaries created | |
249 | during that statement. Similarly, if, at the end of a block, we | |
250 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 251 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
252 | C++. |
253 | ||
254 | However, in order to represent aggregate initialization code as | |
255 | tree structure, we use statement-expressions. The statements | |
256 | within the statement expression should not result in cleanups | |
21c7361e | 257 | being run until the entire enclosing statement is complete. |
ae499cce MM |
258 | |
259 | This flag has no effect in C. */ | |
21c7361e | 260 | int stmts_are_full_exprs_p; |
ae499cce MM |
261 | }; |
262 | ||
263 | typedef struct stmt_tree_s *stmt_tree; | |
264 | ||
265 | /* Global state pertinent to the current function. Some C dialects | |
266 | extend this structure with additional fields. */ | |
267 | ||
e2500fed | 268 | struct c_language_function GTY(()) { |
ae499cce MM |
269 | /* While we are parsing the function, this contains information |
270 | about the statement-tree that we are building. */ | |
271 | struct stmt_tree_s x_stmt_tree; | |
272 | }; | |
273 | ||
35fd3193 | 274 | /* When building a statement-tree, this is the current statement list |
325c3691 | 275 | being collected. It's TREE_CHAIN is a back-pointer to the previous |
35fd3193 | 276 | statement list. */ |
ae499cce | 277 | |
325c3691 | 278 | #define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list) |
8f17b5c5 MM |
279 | |
280 | /* Language-specific hooks. */ | |
281 | ||
21c7361e AJ |
282 | /* Callback that determines if it's ok for a function to have no |
283 | noreturn attribute. */ | |
35b1a6fa AJ |
284 | extern int (*lang_missing_noreturn_ok_p) (tree); |
285 | ||
4684cd27 MM |
286 | /* If non-NULL, this function is called after a precompile header file |
287 | is loaded. */ | |
288 | extern void (*lang_post_pch_load) (void); | |
289 | ||
f75fbaf7 ZW |
290 | extern void push_file_scope (void); |
291 | extern void pop_file_scope (void); | |
35b1a6fa | 292 | extern int yyparse (void); |
35b1a6fa | 293 | extern stmt_tree current_stmt_tree (void); |
325c3691 | 294 | extern tree push_stmt_list (void); |
325c3691 | 295 | extern tree pop_stmt_list (tree); |
35b1a6fa | 296 | extern tree add_stmt (tree); |
325c3691 | 297 | extern void push_cleanup (tree, tree, bool); |
35b1a6fa | 298 | |
3c79fa86 | 299 | extern int c_expand_decl (tree); |
c1e14513 | 300 | |
d07605f5 AP |
301 | extern int field_decl_cmp (const void *, const void *); |
302 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, | |
303 | void *); | |
84b8b0e0 | 304 | extern bool has_c_linkage (tree decl); |
17211ab5 | 305 | \f |
4078b403 NB |
306 | /* Switches common to the C front ends. */ |
307 | ||
aaf93206 | 308 | /* Nonzero if prepreprocessing only. */ |
17211ab5 | 309 | |
aaf93206 NB |
310 | extern int flag_preprocess_only; |
311 | ||
264fa2db ZL |
312 | /* Zero means that faster, ...NonNil variants of objc_msgSend... |
313 | calls will be used in ObjC; passing nil receivers to such calls | |
314 | will most likely result in crashes. */ | |
315 | extern int flag_nil_receivers; | |
316 | ||
317 | /* Nonzero means that we will allow new ObjC exception syntax (@throw, | |
318 | @try, etc.) in source code. */ | |
319 | extern int flag_objc_exceptions; | |
320 | ||
093c7153 RH |
321 | /* Nonzero means that we generate NeXT setjmp based exceptions. */ |
322 | extern int flag_objc_sjlj_exceptions; | |
323 | ||
264fa2db ZL |
324 | /* Nonzero means that code generation will be altered to support |
325 | "zero-link" execution. This currently affects ObjC only, but may | |
326 | affect other languages in the future. */ | |
327 | extern int flag_zero_link; | |
328 | ||
329 | /* Nonzero means emit an '__OBJC, __image_info' for the current translation | |
330 | unit. It will inform the ObjC runtime that class definition(s) herein | |
331 | contained are to replace one(s) previously loaded. */ | |
332 | extern int flag_replace_objc_classes; | |
333 | ||
63973df3 NB |
334 | /* Nonzero means don't output line number information. */ |
335 | ||
336 | extern char flag_no_line_commands; | |
337 | ||
338 | /* Nonzero causes -E output not to be done, but directives such as | |
339 | #define that have side effects are still obeyed. */ | |
340 | ||
341 | extern char flag_no_output; | |
342 | ||
343 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M' or | |
344 | 'N' of the command line switch. */ | |
345 | ||
346 | extern char flag_dump_macros; | |
347 | ||
348 | /* Nonzero means pass #include lines through to the output. */ | |
349 | ||
350 | extern char flag_dump_includes; | |
351 | ||
c0d578e6 GK |
352 | /* Nonzero means process PCH files while preprocessing. */ |
353 | ||
354 | extern bool flag_pch_preprocess; | |
355 | ||
17211ab5 GK |
356 | /* The file name to which we should write a precompiled header, or |
357 | NULL if no header will be written in this compile. */ | |
358 | ||
359 | extern const char *pch_file; | |
360 | ||
3df89291 NB |
361 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
362 | user's namespace. */ | |
17211ab5 | 363 | |
3df89291 NB |
364 | extern int flag_iso; |
365 | ||
366 | /* Nonzero if -undef was given. It suppresses target built-in macros | |
367 | and assertions. */ | |
17211ab5 | 368 | |
3df89291 NB |
369 | extern int flag_undef; |
370 | ||
4078b403 | 371 | /* Nonzero means don't recognize the non-ANSI builtin functions. */ |
ab76ca54 | 372 | |
4078b403 NB |
373 | extern int flag_no_builtin; |
374 | ||
375 | /* Nonzero means don't recognize the non-ANSI builtin functions. | |
376 | -ansi sets this. */ | |
377 | ||
378 | extern int flag_no_nonansi_builtin; | |
ab76ca54 | 379 | |
eaa7c03f JM |
380 | /* Nonzero means give `double' the same size as `float'. */ |
381 | ||
382 | extern int flag_short_double; | |
383 | ||
384 | /* Nonzero means give `wchar_t' the same size as `short'. */ | |
385 | ||
386 | extern int flag_short_wchar; | |
387 | ||
750491fc RH |
388 | /* Nonzero means allow Microsoft extensions without warnings or errors. */ |
389 | extern int flag_ms_extensions; | |
390 | ||
4078b403 NB |
391 | /* Nonzero means don't recognize the keyword `asm'. */ |
392 | ||
393 | extern int flag_no_asm; | |
394 | ||
395 | /* Nonzero means give string constants the type `const char *', as mandated | |
396 | by the standard. */ | |
397 | ||
398 | extern int flag_const_strings; | |
399 | ||
4078b403 NB |
400 | /* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ |
401 | ||
402 | extern int flag_signed_bitfields; | |
4078b403 | 403 | |
4078b403 NB |
404 | /* Nonzero means warn about deprecated conversion from string constant to |
405 | `char *'. */ | |
406 | ||
407 | extern int warn_write_strings; | |
408 | ||
05713b80 | 409 | /* Warn about #pragma directives that are not recognized. */ |
4078b403 NB |
410 | |
411 | extern int warn_unknown_pragmas; /* Tri state variable. */ | |
412 | ||
4078b403 NB |
413 | /* Warn about format/argument anomalies in calls to formatted I/O functions |
414 | (*printf, *scanf, strftime, strfmon, etc.). */ | |
ab76ca54 MM |
415 | |
416 | extern int warn_format; | |
417 | ||
b34c7881 | 418 | |
4078b403 | 419 | /* C/ObjC language option variables. */ |
b34c7881 | 420 | |
2683ed8d | 421 | |
4078b403 NB |
422 | /* Nonzero means allow type mismatches in conditional expressions; |
423 | just make their values `void'. */ | |
74ff4629 | 424 | |
4078b403 | 425 | extern int flag_cond_mismatch; |
6c36d76b | 426 | |
eaf299c6 | 427 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
428 | |
429 | extern int flag_isoc94; | |
430 | ||
ab76ca54 MM |
431 | /* Nonzero means use the ISO C99 dialect of C. */ |
432 | ||
433 | extern int flag_isoc99; | |
434 | ||
6614fd40 | 435 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
436 | |
437 | extern int flag_hosted; | |
438 | ||
4078b403 NB |
439 | /* Warn if main is suspicious. */ |
440 | ||
441 | extern int warn_main; | |
442 | ||
4078b403 NB |
443 | |
444 | /* ObjC language option variables. */ | |
445 | ||
446 | ||
447 | /* Open and close the file for outputting class declarations, if | |
448 | requested (ObjC). */ | |
449 | ||
450 | extern int flag_gen_declaration; | |
451 | ||
452 | /* Generate code for GNU or NeXT runtime environment. */ | |
453 | ||
454 | extern int flag_next_runtime; | |
455 | ||
456 | /* Tells the compiler that this is a special run. Do not perform any | |
457 | compiling, instead we are to test some platform dependent features | |
458 | and output a C header file with appropriate definitions. */ | |
459 | ||
460 | extern int print_struct_values; | |
461 | ||
462 | /* ???. Undocumented. */ | |
463 | ||
fd350d24 | 464 | extern const char *constant_string_class_name; |
4078b403 | 465 | |
4078b403 NB |
466 | |
467 | /* C++ language option variables. */ | |
468 | ||
469 | ||
470 | /* Nonzero means don't recognize any extension keywords. */ | |
471 | ||
472 | extern int flag_no_gnu_keywords; | |
473 | ||
474 | /* Nonzero means do emit exported implementations of functions even if | |
475 | they can be inlined. */ | |
476 | ||
477 | extern int flag_implement_inlines; | |
478 | ||
4078b403 NB |
479 | /* Nonzero means that implicit instantiations will be emitted if needed. */ |
480 | ||
481 | extern int flag_implicit_templates; | |
482 | ||
483 | /* Nonzero means that implicit instantiations of inline templates will be | |
484 | emitted if needed, even if instantiations of non-inline templates | |
485 | aren't. */ | |
486 | ||
487 | extern int flag_implicit_inline_templates; | |
488 | ||
489 | /* Nonzero means generate separate instantiation control files and | |
490 | juggle them at link time. */ | |
491 | ||
492 | extern int flag_use_repository; | |
493 | ||
494 | /* Nonzero if we want to issue diagnostics that the standard says are not | |
495 | required. */ | |
496 | ||
497 | extern int flag_optional_diags; | |
498 | ||
499 | /* Nonzero means we should attempt to elide constructors when possible. */ | |
500 | ||
501 | extern int flag_elide_constructors; | |
502 | ||
503 | /* Nonzero means that member functions defined in class scope are | |
504 | inline by default. */ | |
505 | ||
506 | extern int flag_default_inline; | |
507 | ||
508 | /* Controls whether compiler generates 'type descriptor' that give | |
509 | run-time type information. */ | |
510 | ||
511 | extern int flag_rtti; | |
512 | ||
513 | /* Nonzero if we want to conserve space in the .o files. We do this | |
514 | by putting uninitialized data and runtime initialized data into | |
515 | .common instead of .data at the expense of not flagging multiple | |
516 | definitions. */ | |
517 | ||
518 | extern int flag_conserve_space; | |
519 | ||
520 | /* Nonzero if we want to obey access control semantics. */ | |
521 | ||
522 | extern int flag_access_control; | |
523 | ||
524 | /* Nonzero if we want to check the return value of new and avoid calling | |
525 | constructors if it is a null pointer. */ | |
526 | ||
527 | extern int flag_check_new; | |
528 | ||
529 | /* Nonzero if we want the new ISO rules for pushing a new scope for `for' | |
530 | initialization variables. | |
531 | 0: Old rules, set by -fno-for-scope. | |
532 | 2: New ISO rules, set by -ffor-scope. | |
533 | 1: Try to implement new ISO rules, but with backup compatibility | |
534 | (and warnings). This is the default, for now. */ | |
535 | ||
536 | extern int flag_new_for_scope; | |
537 | ||
538 | /* Nonzero if we want to emit defined symbols with common-like linkage as | |
539 | weak symbols where possible, in order to conform to C++ semantics. | |
540 | Otherwise, emit them as local symbols. */ | |
541 | ||
542 | extern int flag_weak; | |
543 | ||
b20d9f0c AO |
544 | /* 0 means we want the preprocessor to not emit line directives for |
545 | the current working directory. 1 means we want it to do it. -1 | |
546 | means we should decide depending on whether debugging information | |
547 | is being emitted or not. */ | |
548 | ||
549 | extern int flag_working_directory; | |
550 | ||
4078b403 NB |
551 | /* Nonzero to use __cxa_atexit, rather than atexit, to register |
552 | destructors for local statics and global objects. */ | |
553 | ||
554 | extern int flag_use_cxa_atexit; | |
555 | ||
4078b403 NB |
556 | /* Nonzero means make the default pedwarns warnings instead of errors. |
557 | The value of this flag is ignored if -pedantic is specified. */ | |
558 | ||
559 | extern int flag_permissive; | |
560 | ||
561 | /* Nonzero means to implement standard semantics for exception | |
562 | specifications, calling unexpected if an exception is thrown that | |
563 | doesn't match the specification. Zero means to treat them as | |
564 | assertions and optimize accordingly, but not check them. */ | |
565 | ||
566 | extern int flag_enforce_eh_specs; | |
567 | ||
40aac948 JM |
568 | /* Nonzero (the default) means to generate thread-safe code for |
569 | initializing local statics. */ | |
570 | ||
571 | extern int flag_threadsafe_statics; | |
572 | ||
4078b403 NB |
573 | /* Nonzero means warn about implicit declarations. */ |
574 | ||
575 | extern int warn_implicit; | |
576 | ||
b2f97e4a MM |
577 | /* Warn about using __null (as NULL in C++) as sentinel. For code compiled |
578 | with GCC this doesn't matter as __null is guaranteed to have the right | |
579 | size. */ | |
580 | ||
581 | extern int warn_strict_null_sentinel; | |
582 | ||
4078b403 NB |
583 | /* Maximum template instantiation depth. This limit is rather |
584 | arbitrary, but it exists to limit the time it takes to notice | |
585 | infinite template instantiations. */ | |
586 | ||
587 | extern int max_tinst_depth; | |
ab76ca54 | 588 | |
25587e40 AO |
589 | /* Nonzero means the expression being parsed will never be evaluated. |
590 | This is a count, since unevaluated expressions can nest. */ | |
591 | ||
592 | extern int skip_evaluation; | |
593 | ||
ab76ca54 MM |
594 | /* C types are partitioned into three subsets: object, function, and |
595 | incomplete types. */ | |
596 | #define C_TYPE_OBJECT_P(type) \ | |
597 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
598 | ||
599 | #define C_TYPE_INCOMPLETE_P(type) \ | |
600 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
601 | ||
602 | #define C_TYPE_FUNCTION_P(type) \ | |
603 | (TREE_CODE (type) == FUNCTION_TYPE) | |
604 | ||
605 | /* For convenience we define a single macro to identify the class of | |
606 | object or incomplete types. */ | |
607 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
608 | (!C_TYPE_FUNCTION_P (type)) | |
609 | ||
349ae713 NB |
610 | /* Attribute table common to the C front ends. */ |
611 | extern const struct attribute_spec c_common_attribute_table[]; | |
612 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
613 | ||
0ba8a114 | 614 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
615 | ID is the identifier to use, NAME is the string. |
616 | TYPE_DEP indicates whether it depends on type of the function or not | |
617 | (i.e. __PRETTY_FUNCTION__). */ | |
618 | ||
35b1a6fa AJ |
619 | extern tree (*make_fname_decl) (tree, int); |
620 | ||
621 | extern tree identifier_global_value (tree); | |
622 | extern void record_builtin_type (enum rid, const char *, tree); | |
623 | extern tree build_void_list_node (void); | |
624 | extern void start_fname_decls (void); | |
625 | extern void finish_fname_decls (void); | |
626 | extern const char *fname_as_string (int); | |
627 | extern tree fname_decl (unsigned, tree); | |
35b1a6fa AJ |
628 | |
629 | extern void check_function_arguments (tree, tree); | |
630 | extern void check_function_arguments_recurse (void (*) | |
631 | (void *, tree, | |
632 | unsigned HOST_WIDE_INT), | |
633 | void *, tree, | |
634 | unsigned HOST_WIDE_INT); | |
99801548 | 635 | extern void check_function_format (tree, tree); |
35b1a6fa AJ |
636 | extern void set_Wformat (int); |
637 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); | |
638 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
2772ef3e | 639 | extern int c_common_handle_option (size_t code, const char *arg, int value); |
cb66e385 | 640 | extern bool c_common_missing_argument (const char *opt, size_t code); |
35b1a6fa AJ |
641 | extern tree c_common_type_for_mode (enum machine_mode, int); |
642 | extern tree c_common_type_for_size (unsigned int, int); | |
643 | extern tree c_common_unsigned_type (tree); | |
644 | extern tree c_common_signed_type (tree); | |
645 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
646 | extern tree c_common_truthvalue_conversion (tree); | |
647 | extern void c_apply_type_quals_to_decl (int, tree); | |
03a08664 | 648 | extern tree c_sizeof_or_alignof_type (tree, bool, int); |
35b1a6fa | 649 | extern tree c_alignof_expr (tree); |
7f4edbcb BS |
650 | /* Print an error message for invalid operands to arith operation CODE. |
651 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
35b1a6fa | 652 | extern void binary_op_error (enum tree_code); |
35b1a6fa | 653 | extern tree fix_string_type (tree); |
b84a3874 | 654 | struct varray_head_tag; |
35b1a6fa AJ |
655 | extern void constant_expression_warning (tree); |
656 | extern tree convert_and_check (tree, tree); | |
657 | extern void overflow_warning (tree); | |
658 | extern void unsigned_conversion_warning (tree, tree); | |
b2ca3702 | 659 | extern bool c_determine_visibility (tree); |
ab76ca54 | 660 | |
03a08664 ILT |
661 | #define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1) |
662 | #define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1) | |
7f4edbcb BS |
663 | |
664 | /* Subroutine of build_binary_op, used for comparison operations. | |
665 | See if the operands have both been converted from subword integer types | |
666 | and, if so, perhaps change them both back to their original type. */ | |
35b1a6fa | 667 | extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); |
7f4edbcb | 668 | |
35b1a6fa AJ |
669 | extern tree pointer_int_sum (enum tree_code, tree, tree); |
670 | extern unsigned int min_precision (tree, int); | |
50e60bc3 ZW |
671 | |
672 | /* Add qualifiers to a type, in the fashion for C. */ | |
35b1a6fa | 673 | extern tree c_build_qualified_type (tree, int); |
50e60bc3 | 674 | |
7f4edbcb BS |
675 | /* Build tree nodes and builtin functions common to both C and C++ language |
676 | frontends. */ | |
35b1a6fa | 677 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 678 | |
b482789c MA |
679 | extern void set_builtin_user_assembler_name (tree decl, const char *asmspec); |
680 | ||
35b1a6fa | 681 | extern void disable_builtin_function (const char *); |
7d14c755 | 682 | |
35b1a6fa | 683 | extern tree build_va_arg (tree, tree); |
7e8176d7 | 684 | |
b86f6cd9 | 685 | extern unsigned int c_common_init_options (unsigned int, const char **); |
35b1a6fa AJ |
686 | extern bool c_common_post_options (const char **); |
687 | extern bool c_common_init (void); | |
688 | extern void c_common_finish (void); | |
689 | extern void c_common_parse_file (int); | |
690 | extern HOST_WIDE_INT c_common_get_alias_set (tree); | |
9649812a | 691 | extern void c_register_builtin_type (tree, const char*); |
35b1a6fa AJ |
692 | extern bool c_promoting_integer_type_p (tree); |
693 | extern int self_promoting_args_p (tree); | |
694 | extern tree strip_array_types (tree); | |
12ea3302 | 695 | extern tree strip_pointer_operator (tree); |
c5ff069d | 696 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
d7e7759d | 697 | |
d1bd0ded GK |
698 | /* This is the basic parsing function. */ |
699 | extern void c_parse_file (void); | |
700 | /* This is misnamed, it actually performs end-of-compilation processing. */ | |
701 | extern void finish_file (void); | |
702 | ||
c5ff069d | 703 | |
ae499cce MM |
704 | /* These macros provide convenient access to the various _STMT nodes. */ |
705 | ||
325c3691 RH |
706 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
707 | if a statement expression. */ | |
708 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
709 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
174283a3 RH |
710 | |
711 | /* Nonzero if a label has been added to the statement list. */ | |
712 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
713 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
325c3691 | 714 | |
8d37a5c0 JM |
715 | /* COMPOUND_LITERAL_EXPR accessors. */ |
716 | #define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ | |
db3acfa5 | 717 | TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) |
8d37a5c0 | 718 | #define COMPOUND_LITERAL_EXPR_DECL(NODE) \ |
350fae66 | 719 | DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) |
db3acfa5 | 720 | |
c7d87c0a BC |
721 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, |
722 | ||
723 | enum c_tree_code { | |
724 | C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, | |
725 | #include "c-common.def" | |
726 | LAST_C_TREE_CODE | |
727 | }; | |
728 | ||
729 | #undef DEFTREECODE | |
730 | ||
35b1a6fa | 731 | extern int anon_aggr_type_p (tree); |
f2c5f623 BC |
732 | |
733 | /* For a VAR_DECL that is an anonymous union, these are the various | |
734 | sub-variables that make up the anonymous union. */ | |
735 | #define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) | |
736 | ||
0a7394bc MM |
737 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
738 | #define DECL_C_BIT_FIELD(NODE) \ | |
739 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
740 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
741 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
742 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
743 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
744 | ||
35b1a6fa | 745 | extern void emit_local_var (tree); |
35b1a6fa AJ |
746 | extern tree do_case (tree, tree); |
747 | extern tree build_stmt (enum tree_code, ...); | |
748 | extern tree build_case_label (tree, tree, tree); | |
f2c5f623 | 749 | |
ab76ca54 MM |
750 | /* These functions must be defined by each front-end which implements |
751 | a variant of the C language. They are used in c-common.c. */ | |
752 | ||
35b1a6fa AJ |
753 | extern tree build_unary_op (enum tree_code, tree, int); |
754 | extern tree build_binary_op (enum tree_code, tree, tree, int); | |
522ddfa2 | 755 | extern tree perform_integral_promotions (tree); |
ab76ca54 MM |
756 | |
757 | /* Given two integer or real types, return the type for their sum. | |
758 | Given two compatible ANSI C types, returns the merged type. */ | |
759 | ||
35b1a6fa | 760 | extern tree common_type (tree, tree); |
44835fdd | 761 | |
35b1a6fa | 762 | extern tree decl_constant_value (tree); |
56cb9733 | 763 | |
19552aa5 | 764 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 765 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 766 | |
35b1a6fa | 767 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 768 | |
a6c0a76c | 769 | extern tree c_add_case_label (splay_tree, tree, tree, tree, tree); |
8f17b5c5 | 770 | |
fbc315db | 771 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); |
6de9cd9a | 772 | |
35b1a6fa | 773 | extern tree build_function_call (tree, tree); |
c70eaeaf | 774 | |
48ae6c13 RH |
775 | extern tree resolve_overloaded_builtin (tree, tree); |
776 | ||
35b1a6fa | 777 | extern tree finish_label_address_expr (tree); |
15b732b2 NB |
778 | |
779 | /* Same function prototype, but the C and C++ front ends have | |
780 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 781 | extern tree lookup_label (tree); |
15b732b2 | 782 | |
cc27e657 PB |
783 | extern int vector_types_convertible_p (tree t1, tree t2); |
784 | ||
0fab64a3 | 785 | extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); |
8f17b5c5 | 786 | |
525c6bf5 | 787 | extern tree c_staticp (tree); |
db3acfa5 | 788 | |
35b1a6fa | 789 | extern void init_c_lex (void); |
81a75f0f | 790 | |
35b1a6fa | 791 | extern void c_cpp_builtins (cpp_reader *); |
76c3e73e | 792 | |
731e8b38 MM |
793 | /* Positive if an implicit `extern "C"' scope has just been entered; |
794 | negative if such a scope has just been exited. */ | |
7876228d | 795 | extern GTY(()) int pending_lang_change; |
731e8b38 | 796 | |
0e5921e8 ZW |
797 | /* Information recorded about each file examined during compilation. */ |
798 | ||
799 | struct c_fileinfo | |
800 | { | |
801 | int time; /* Time spent in the file. */ | |
5d709b00 ZW |
802 | |
803 | /* Flags used only by C++. | |
804 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
805 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
806 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
807 | INTERFACE_ONLY is zero, it means that we are responsible for | |
808 | exporting definitions that others might need. */ | |
809 | short interface_only; | |
0e5921e8 ZW |
810 | short interface_unknown; |
811 | }; | |
812 | ||
35b1a6fa AJ |
813 | struct c_fileinfo *get_fileinfo (const char *); |
814 | extern void dump_time_statistics (void); | |
815 | ||
816 | extern bool c_dump_tree (void *, tree); | |
817 | ||
6de9cd9a DN |
818 | extern void c_warn_unused_result (tree *); |
819 | ||
3a5b9284 RH |
820 | extern void verify_sequence_points (tree); |
821 | ||
ee8a6a3e RH |
822 | extern tree fold_offsetof (tree); |
823 | ||
5ae9ba3e | 824 | /* Places where an lvalue, or modifiable lvalue, may be required. |
37dc0d8d | 825 | Used to select diagnostic messages in lvalue_error and |
5ae9ba3e MM |
826 | readonly_error. */ |
827 | enum lvalue_use { | |
828 | lv_assign, | |
829 | lv_increment, | |
830 | lv_decrement, | |
831 | lv_addressof, | |
832 | lv_asm | |
833 | }; | |
834 | ||
37dc0d8d | 835 | extern void lvalue_error (enum lvalue_use); |
5ae9ba3e | 836 | |
aab038d5 RH |
837 | extern int complete_array_type (tree *, tree, bool); |
838 | ||
48ae6c13 RH |
839 | extern tree builtin_type_for_size (int, bool); |
840 | ||
7c34ced1 | 841 | /* In c-gimplify.c */ |
6de9cd9a | 842 | extern void c_genericize (tree); |
7c34ced1 | 843 | extern int c_gimplify_expr (tree *, tree *, tree *); |
325c3691 | 844 | extern tree c_build_bind_expr (tree, tree); |
6de9cd9a | 845 | |
c0d578e6 | 846 | /* In c-pch.c */ |
35b1a6fa AJ |
847 | extern void pch_init (void); |
848 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); | |
849 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
850 | const char *orig); | |
851 | extern void c_common_write_pch (void); | |
18c81520 | 852 | extern void c_common_no_more_pch (void); |
c0d578e6 | 853 | extern void c_common_pch_pragma (cpp_reader *pfile); |
3fd30b88 GK |
854 | extern void c_common_print_pch_checksum (FILE *f); |
855 | ||
856 | /* In *-checksum.c */ | |
857 | extern const unsigned char executable_checksum[16]; | |
c0d578e6 | 858 | |
35b1a6fa AJ |
859 | extern void builtin_define_with_value (const char *, const char *, int); |
860 | extern void c_stddef_cpp_builtins (void); | |
861 | extern void fe_file_change (const struct line_map *); | |
4bb8ca28 | 862 | extern void c_parse_error (const char *, enum cpp_ttype, tree); |
9d10c9a9 | 863 | |
e5a002e3 ZL |
864 | /* Objective-C / Objective-C++ entry points. */ |
865 | ||
866 | /* The following ObjC/ObjC++ functions are called by the C and/or C++ | |
867 | front-ends; they all must have corresponding stubs in stub-objc.c. */ | |
bc095846 | 868 | extern tree objc_is_class_name (tree); |
264fa2db ZL |
869 | extern tree objc_is_object_ptr (tree); |
870 | extern void objc_check_decl (tree); | |
e5a002e3 | 871 | extern int objc_is_reserved_word (tree); |
58393038 ZL |
872 | extern bool objc_compare_types (tree, tree, int, tree); |
873 | extern void objc_volatilize_decl (tree); | |
874 | extern bool objc_type_quals_match (tree, tree); | |
6e955430 | 875 | extern tree objc_rewrite_function_call (tree, tree); |
264fa2db | 876 | extern tree objc_message_selector (void); |
16b34ad6 | 877 | extern tree objc_lookup_ivar (tree, tree); |
325c3691 | 878 | extern void objc_clear_super_receiver (void); |
7a3ea201 | 879 | extern int objc_is_public (tree, tree); |
a45bcfb2 ZL |
880 | extern tree objc_is_id (tree); |
881 | extern void objc_declare_alias (tree, tree); | |
882 | extern void objc_declare_class (tree); | |
883 | extern void objc_declare_protocols (tree); | |
884 | extern tree objc_build_message_expr (tree); | |
885 | extern tree objc_finish_message_expr (tree, tree, tree); | |
886 | extern tree objc_build_selector_expr (tree); | |
887 | extern tree objc_build_protocol_expr (tree); | |
888 | extern tree objc_build_encode_expr (tree); | |
889 | extern tree objc_build_string_object (tree); | |
890 | extern tree objc_get_protocol_qualified_type (tree, tree); | |
891 | extern tree objc_get_class_reference (tree); | |
892 | extern tree objc_get_class_ivars (tree); | |
893 | extern void objc_start_class_interface (tree, tree, tree); | |
894 | extern void objc_start_category_interface (tree, tree, tree); | |
895 | extern void objc_start_protocol (tree, tree); | |
896 | extern void objc_continue_interface (void); | |
897 | extern void objc_finish_interface (void); | |
898 | extern void objc_start_class_implementation (tree, tree); | |
899 | extern void objc_start_category_implementation (tree, tree); | |
900 | extern void objc_continue_implementation (void); | |
901 | extern void objc_finish_implementation (void); | |
902 | extern void objc_set_visibility (int); | |
903 | extern void objc_set_method_type (enum tree_code); | |
dbb74365 | 904 | extern tree objc_build_method_signature (tree, tree, tree, bool); |
a45bcfb2 ZL |
905 | extern void objc_add_method_declaration (tree); |
906 | extern void objc_start_method_definition (tree); | |
907 | extern void objc_finish_method_definition (tree); | |
908 | extern void objc_add_instance_variable (tree); | |
909 | extern tree objc_build_keyword_decl (tree, tree, tree); | |
910 | extern tree objc_build_throw_stmt (tree); | |
911 | extern void objc_begin_try_stmt (location_t, tree); | |
6e955430 | 912 | extern tree objc_finish_try_stmt (void); |
a45bcfb2 ZL |
913 | extern void objc_begin_catch_clause (tree); |
914 | extern void objc_finish_catch_clause (void); | |
915 | extern void objc_build_finally_clause (location_t, tree); | |
6e955430 | 916 | extern tree objc_build_synchronized (location_t, tree, tree); |
a45bcfb2 ZL |
917 | extern int objc_static_init_needed_p (void); |
918 | extern tree objc_generate_static_init_call (tree); | |
6e955430 | 919 | extern tree objc_generate_write_barrier (tree, enum tree_code, tree); |
264fa2db | 920 | |
e5a002e3 ZL |
921 | /* The following are provided by the C and C++ front-ends, and called by |
922 | ObjC/ObjC++. */ | |
bc095846 | 923 | extern void *objc_get_current_scope (void); |
e5a002e3 ZL |
924 | extern void objc_mark_locals_volatile (void *); |
925 | ||
9d10c9a9 | 926 | /* In c-ppoutput.c */ |
35b1a6fa AJ |
927 | extern void init_pp_output (FILE *); |
928 | extern void preprocess_file (cpp_reader *); | |
929 | extern void pp_file_change (const struct line_map *); | |
8e9ea4d7 | 930 | extern void pp_dir_change (cpp_reader *, const char *); |
17211ab5 | 931 | |
88657302 | 932 | #endif /* ! GCC_C_COMMON_H */ |