]>
Commit | Line | Data |
---|---|---|
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) |
b2123dc0 | 33 | STMT_EXPR_NO_SCOPE (in STMT_EXPR) |
f2c5f623 BC |
34 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
35 | STMT_IS_FULL_EXPR_P (in _STMT) | |
325c3691 | 36 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
6de9cd9a | 37 | 2: unused |
174283a3 | 38 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
325c3691 | 39 | 4: unused |
f2c5f623 BC |
40 | */ |
41 | ||
0e5921e8 | 42 | /* Reserved identifiers. This is the union of all the keywords for C, |
40f03658 | 43 | C++, and Objective-C. All the type modifiers have to be in one |
0e5921e8 ZW |
44 | block at the beginning, because they are used as mask bits. There |
45 | are 27 type modifiers; if we add many more we will have to redesign | |
46 | the mask mechanism. */ | |
f09f1de5 MM |
47 | |
48 | enum rid | |
49 | { | |
0e5921e8 | 50 | /* Modifiers: */ |
2ba84f36 | 51 | /* C, in empirical order of frequency. */ |
0e5921e8 ZW |
52 | RID_STATIC = 0, |
53 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, | |
54 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, | |
55 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, | |
56 | ||
57 | /* C extensions */ | |
66804d9e | 58 | RID_COMPLEX, RID_THREAD, |
0e5921e8 ZW |
59 | |
60 | /* C++ */ | |
61 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
62 | ||
63 | /* ObjC */ | |
b8363a24 | 64 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
0e5921e8 ZW |
65 | |
66 | /* C */ | |
67 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, | |
68 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, | |
69 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, | |
70 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, | |
71 | RID_SIZEOF, | |
72 | ||
73 | /* C extensions */ | |
74 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | |
da5b307a JM |
75 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
76 | RID_TYPES_COMPATIBLE_P, | |
0e5921e8 | 77 | |
0ba8a114 NS |
78 | /* Too many ways of getting the name of a function as a string */ |
79 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
80 | ||
0e5921e8 ZW |
81 | /* C++ */ |
82 | RID_BOOL, RID_WCHAR, RID_CLASS, | |
83 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
84 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
85 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
263ee052 MM |
86 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
87 | RID_THIS, RID_THROW, RID_TRUE, | |
88 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
89 | RID_USING, | |
0e5921e8 ZW |
90 | |
91 | /* casts */ | |
92 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
93 | ||
40f03658 | 94 | /* Objective-C */ |
3a3589b4 | 95 | RID_AT_ENCODE, RID_AT_END, |
0e5921e8 ZW |
96 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
97 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, | |
264fa2db ZL |
98 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
99 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, | |
100 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, | |
101 | RID_AT_INTERFACE, | |
0e5921e8 ZW |
102 | RID_AT_IMPLEMENTATION, |
103 | ||
104 | RID_MAX, | |
105 | ||
106 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
107 | RID_LAST_MODIFIER = RID_ONEWAY, |
108 | ||
109 | RID_FIRST_AT = RID_AT_ENCODE, | |
110 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
111 | RID_FIRST_PQ = RID_IN, | |
112 | RID_LAST_PQ = RID_ONEWAY | |
f09f1de5 MM |
113 | }; |
114 | ||
b8363a24 | 115 | #define OBJC_IS_AT_KEYWORD(rid) \ |
3f75a254 JM |
116 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
117 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
b8363a24 ZW |
118 | |
119 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
3f75a254 JM |
120 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
121 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
b8363a24 | 122 | |
f09f1de5 MM |
123 | /* The elements of `ridpointers' are identifier nodes for the reserved |
124 | type names and storage classes. It is indexed by a RID_... value. */ | |
3f75a254 | 125 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
f09f1de5 | 126 | |
7f4edbcb BS |
127 | /* Standard named or nameless data types of the C compiler. */ |
128 | ||
129 | enum c_tree_index | |
130 | { | |
7f4edbcb BS |
131 | CTI_WCHAR_TYPE, |
132 | CTI_SIGNED_WCHAR_TYPE, | |
133 | CTI_UNSIGNED_WCHAR_TYPE, | |
c5ab7f91 | 134 | CTI_WINT_TYPE, |
cd732418 JM |
135 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
136 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
137 | CTI_INTMAX_TYPE, |
138 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
139 | CTI_WIDEST_INT_LIT_TYPE, |
140 | CTI_WIDEST_UINT_LIT_TYPE, | |
141 | ||
7f4edbcb BS |
142 | CTI_CHAR_ARRAY_TYPE, |
143 | CTI_WCHAR_ARRAY_TYPE, | |
144 | CTI_INT_ARRAY_TYPE, | |
145 | CTI_STRING_TYPE, | |
146 | CTI_CONST_STRING_TYPE, | |
147 | ||
19552aa5 | 148 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
149 | CTI_TRUTHVALUE_TYPE, |
150 | CTI_TRUTHVALUE_TRUE, | |
151 | CTI_TRUTHVALUE_FALSE, | |
152 | ||
7f4edbcb | 153 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 154 | |
2ba84f36 | 155 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
156 | CTI_FUNCTION_NAME_DECL, |
157 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
158 | CTI_C99_FUNCTION_NAME_DECL, | |
159 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
160 | ||
ae499cce MM |
161 | CTI_VOID_ZERO, |
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 | ||
e2500fed | 207 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 208 | |
e0a21ab9 KH |
209 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
210 | tree for size reasons. */ | |
d07605f5 AP |
211 | struct sorted_fields_type GTY(()) |
212 | { | |
213 | int len; | |
214 | tree GTY((length ("%h.len"))) elts[1]; | |
215 | }; | |
216 | ||
8f17b5c5 MM |
217 | /* Mark which labels are explicitly declared. |
218 | These may be shadowed, and may be referenced from nested functions. */ | |
219 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
220 | ||
9aa8a1df NB |
221 | /* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a |
222 | warning if they undergo concatenation. */ | |
223 | #define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) | |
224 | ||
ab76ca54 MM |
225 | typedef enum c_language_kind |
226 | { | |
37fa72e9 NB |
227 | clk_c = 0, /* C90, C94 or C99 */ |
228 | clk_objc = 1, /* clk_c with ObjC features. */ | |
229 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
230 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
21c7361e | 231 | } |
ab76ca54 MM |
232 | c_language_kind; |
233 | ||
37fa72e9 NB |
234 | /* To test for a specific language use c_language, defined by each |
235 | front end. For "ObjC features" or "not C++" use the macros. */ | |
236 | extern c_language_kind c_language; | |
237 | ||
238 | #define c_dialect_cxx() (c_language & clk_cxx) | |
239 | #define c_dialect_objc() (c_language & clk_objc) | |
240 | ||
ae499cce MM |
241 | /* Information about a statement tree. */ |
242 | ||
e2500fed | 243 | struct stmt_tree_s GTY(()) { |
35fd3193 | 244 | /* The current statement list being collected. */ |
325c3691 RH |
245 | tree x_cur_stmt_list; |
246 | ||
da7d8304 | 247 | /* In C++, Nonzero if we should treat statements as full |
ae499cce MM |
248 | expressions. In particular, this variable is no-zero if at the |
249 | end of a statement we should destroy any temporaries created | |
250 | during that statement. Similarly, if, at the end of a block, we | |
251 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 252 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
253 | C++. |
254 | ||
255 | However, in order to represent aggregate initialization code as | |
256 | tree structure, we use statement-expressions. The statements | |
257 | within the statement expression should not result in cleanups | |
21c7361e | 258 | being run until the entire enclosing statement is complete. |
ae499cce MM |
259 | |
260 | This flag has no effect in C. */ | |
21c7361e | 261 | int stmts_are_full_exprs_p; |
ae499cce MM |
262 | }; |
263 | ||
264 | typedef struct stmt_tree_s *stmt_tree; | |
265 | ||
266 | /* Global state pertinent to the current function. Some C dialects | |
267 | extend this structure with additional fields. */ | |
268 | ||
e2500fed | 269 | struct c_language_function GTY(()) { |
ae499cce MM |
270 | /* While we are parsing the function, this contains information |
271 | about the statement-tree that we are building. */ | |
272 | struct stmt_tree_s x_stmt_tree; | |
273 | }; | |
274 | ||
35fd3193 | 275 | /* When building a statement-tree, this is the current statement list |
325c3691 | 276 | being collected. It's TREE_CHAIN is a back-pointer to the previous |
35fd3193 | 277 | statement list. */ |
ae499cce | 278 | |
325c3691 | 279 | #define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list) |
8f17b5c5 MM |
280 | |
281 | /* Language-specific hooks. */ | |
282 | ||
21c7361e AJ |
283 | /* Callback that determines if it's ok for a function to have no |
284 | noreturn attribute. */ | |
35b1a6fa AJ |
285 | extern int (*lang_missing_noreturn_ok_p) (tree); |
286 | ||
4684cd27 MM |
287 | /* If non-NULL, this function is called after a precompile header file |
288 | is loaded. */ | |
289 | extern void (*lang_post_pch_load) (void); | |
290 | ||
f75fbaf7 ZW |
291 | extern void push_file_scope (void); |
292 | extern void pop_file_scope (void); | |
35b1a6fa | 293 | extern int yyparse (void); |
35b1a6fa | 294 | extern stmt_tree current_stmt_tree (void); |
325c3691 | 295 | extern tree push_stmt_list (void); |
325c3691 | 296 | extern tree pop_stmt_list (tree); |
35b1a6fa | 297 | extern tree add_stmt (tree); |
325c3691 | 298 | extern void push_cleanup (tree, tree, bool); |
35b1a6fa | 299 | |
3c79fa86 | 300 | extern int c_expand_decl (tree); |
c1e14513 | 301 | |
d07605f5 AP |
302 | extern int field_decl_cmp (const void *, const void *); |
303 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, | |
304 | void *); | |
84b8b0e0 | 305 | extern bool has_c_linkage (tree decl); |
17211ab5 | 306 | \f |
4078b403 NB |
307 | /* Switches common to the C front ends. */ |
308 | ||
aaf93206 | 309 | /* Nonzero if prepreprocessing only. */ |
17211ab5 | 310 | |
aaf93206 NB |
311 | extern int flag_preprocess_only; |
312 | ||
264fa2db ZL |
313 | /* Zero means that faster, ...NonNil variants of objc_msgSend... |
314 | calls will be used in ObjC; passing nil receivers to such calls | |
315 | will most likely result in crashes. */ | |
316 | extern int flag_nil_receivers; | |
317 | ||
318 | /* Nonzero means that we will allow new ObjC exception syntax (@throw, | |
319 | @try, etc.) in source code. */ | |
320 | extern int flag_objc_exceptions; | |
321 | ||
093c7153 RH |
322 | /* Nonzero means that we generate NeXT setjmp based exceptions. */ |
323 | extern int flag_objc_sjlj_exceptions; | |
324 | ||
264fa2db ZL |
325 | /* Nonzero means that code generation will be altered to support |
326 | "zero-link" execution. This currently affects ObjC only, but may | |
327 | affect other languages in the future. */ | |
328 | extern int flag_zero_link; | |
329 | ||
330 | /* Nonzero means emit an '__OBJC, __image_info' for the current translation | |
331 | unit. It will inform the ObjC runtime that class definition(s) herein | |
332 | contained are to replace one(s) previously loaded. */ | |
333 | extern int flag_replace_objc_classes; | |
334 | ||
63973df3 NB |
335 | /* Nonzero means don't output line number information. */ |
336 | ||
337 | extern char flag_no_line_commands; | |
338 | ||
339 | /* Nonzero causes -E output not to be done, but directives such as | |
340 | #define that have side effects are still obeyed. */ | |
341 | ||
342 | extern char flag_no_output; | |
343 | ||
344 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M' or | |
345 | 'N' of the command line switch. */ | |
346 | ||
347 | extern char flag_dump_macros; | |
348 | ||
349 | /* Nonzero means pass #include lines through to the output. */ | |
350 | ||
351 | extern char flag_dump_includes; | |
352 | ||
c0d578e6 GK |
353 | /* Nonzero means process PCH files while preprocessing. */ |
354 | ||
355 | extern bool flag_pch_preprocess; | |
356 | ||
17211ab5 GK |
357 | /* The file name to which we should write a precompiled header, or |
358 | NULL if no header will be written in this compile. */ | |
359 | ||
360 | extern const char *pch_file; | |
361 | ||
3df89291 NB |
362 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
363 | user's namespace. */ | |
17211ab5 | 364 | |
3df89291 NB |
365 | extern int flag_iso; |
366 | ||
367 | /* Nonzero if -undef was given. It suppresses target built-in macros | |
368 | and assertions. */ | |
17211ab5 | 369 | |
3df89291 NB |
370 | extern int flag_undef; |
371 | ||
4078b403 | 372 | /* Nonzero means don't recognize the non-ANSI builtin functions. */ |
ab76ca54 | 373 | |
4078b403 NB |
374 | extern int flag_no_builtin; |
375 | ||
376 | /* Nonzero means don't recognize the non-ANSI builtin functions. | |
377 | -ansi sets this. */ | |
378 | ||
379 | extern int flag_no_nonansi_builtin; | |
ab76ca54 | 380 | |
eaa7c03f JM |
381 | /* Nonzero means give `double' the same size as `float'. */ |
382 | ||
383 | extern int flag_short_double; | |
384 | ||
385 | /* Nonzero means give `wchar_t' the same size as `short'. */ | |
386 | ||
387 | extern int flag_short_wchar; | |
388 | ||
750491fc RH |
389 | /* Nonzero means allow Microsoft extensions without warnings or errors. */ |
390 | extern int flag_ms_extensions; | |
391 | ||
4078b403 NB |
392 | /* Nonzero means don't recognize the keyword `asm'. */ |
393 | ||
394 | extern int flag_no_asm; | |
395 | ||
396 | /* Nonzero means give string constants the type `const char *', as mandated | |
397 | by the standard. */ | |
398 | ||
399 | extern int flag_const_strings; | |
400 | ||
4078b403 NB |
401 | /* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ |
402 | ||
403 | extern int flag_signed_bitfields; | |
4078b403 | 404 | |
4078b403 NB |
405 | /* Nonzero means warn about deprecated conversion from string constant to |
406 | `char *'. */ | |
407 | ||
408 | extern int warn_write_strings; | |
409 | ||
05713b80 | 410 | /* Warn about #pragma directives that are not recognized. */ |
4078b403 NB |
411 | |
412 | extern int warn_unknown_pragmas; /* Tri state variable. */ | |
413 | ||
4078b403 NB |
414 | /* Warn about format/argument anomalies in calls to formatted I/O functions |
415 | (*printf, *scanf, strftime, strfmon, etc.). */ | |
ab76ca54 MM |
416 | |
417 | extern int warn_format; | |
418 | ||
b34c7881 | 419 | |
4078b403 | 420 | /* C/ObjC language option variables. */ |
b34c7881 | 421 | |
2683ed8d | 422 | |
4078b403 NB |
423 | /* Nonzero means allow type mismatches in conditional expressions; |
424 | just make their values `void'. */ | |
74ff4629 | 425 | |
4078b403 | 426 | extern int flag_cond_mismatch; |
6c36d76b | 427 | |
eaf299c6 | 428 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
429 | |
430 | extern int flag_isoc94; | |
431 | ||
ab76ca54 MM |
432 | /* Nonzero means use the ISO C99 dialect of C. */ |
433 | ||
434 | extern int flag_isoc99; | |
435 | ||
6614fd40 | 436 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
437 | |
438 | extern int flag_hosted; | |
439 | ||
4078b403 NB |
440 | /* Warn if main is suspicious. */ |
441 | ||
442 | extern int warn_main; | |
443 | ||
4078b403 NB |
444 | |
445 | /* ObjC language option variables. */ | |
446 | ||
447 | ||
448 | /* Open and close the file for outputting class declarations, if | |
449 | requested (ObjC). */ | |
450 | ||
451 | extern int flag_gen_declaration; | |
452 | ||
453 | /* Generate code for GNU or NeXT runtime environment. */ | |
454 | ||
455 | extern int flag_next_runtime; | |
456 | ||
457 | /* Tells the compiler that this is a special run. Do not perform any | |
458 | compiling, instead we are to test some platform dependent features | |
459 | and output a C header file with appropriate definitions. */ | |
460 | ||
461 | extern int print_struct_values; | |
462 | ||
463 | /* ???. Undocumented. */ | |
464 | ||
fd350d24 | 465 | extern const char *constant_string_class_name; |
4078b403 | 466 | |
4078b403 NB |
467 | |
468 | /* C++ language option variables. */ | |
469 | ||
470 | ||
471 | /* Nonzero means don't recognize any extension keywords. */ | |
472 | ||
473 | extern int flag_no_gnu_keywords; | |
474 | ||
475 | /* Nonzero means do emit exported implementations of functions even if | |
476 | they can be inlined. */ | |
477 | ||
478 | extern int flag_implement_inlines; | |
479 | ||
4078b403 NB |
480 | /* Nonzero means that implicit instantiations will be emitted if needed. */ |
481 | ||
482 | extern int flag_implicit_templates; | |
483 | ||
484 | /* Nonzero means that implicit instantiations of inline templates will be | |
485 | emitted if needed, even if instantiations of non-inline templates | |
486 | aren't. */ | |
487 | ||
488 | extern int flag_implicit_inline_templates; | |
489 | ||
490 | /* Nonzero means generate separate instantiation control files and | |
491 | juggle them at link time. */ | |
492 | ||
493 | extern int flag_use_repository; | |
494 | ||
495 | /* Nonzero if we want to issue diagnostics that the standard says are not | |
496 | required. */ | |
497 | ||
498 | extern int flag_optional_diags; | |
499 | ||
500 | /* Nonzero means we should attempt to elide constructors when possible. */ | |
501 | ||
502 | extern int flag_elide_constructors; | |
503 | ||
504 | /* Nonzero means that member functions defined in class scope are | |
505 | inline by default. */ | |
506 | ||
507 | extern int flag_default_inline; | |
508 | ||
509 | /* Controls whether compiler generates 'type descriptor' that give | |
510 | run-time type information. */ | |
511 | ||
512 | extern int flag_rtti; | |
513 | ||
514 | /* Nonzero if we want to conserve space in the .o files. We do this | |
515 | by putting uninitialized data and runtime initialized data into | |
516 | .common instead of .data at the expense of not flagging multiple | |
517 | definitions. */ | |
518 | ||
519 | extern int flag_conserve_space; | |
520 | ||
521 | /* Nonzero if we want to obey access control semantics. */ | |
522 | ||
523 | extern int flag_access_control; | |
524 | ||
525 | /* Nonzero if we want to check the return value of new and avoid calling | |
526 | constructors if it is a null pointer. */ | |
527 | ||
528 | extern int flag_check_new; | |
529 | ||
530 | /* Nonzero if we want the new ISO rules for pushing a new scope for `for' | |
531 | initialization variables. | |
532 | 0: Old rules, set by -fno-for-scope. | |
533 | 2: New ISO rules, set by -ffor-scope. | |
534 | 1: Try to implement new ISO rules, but with backup compatibility | |
535 | (and warnings). This is the default, for now. */ | |
536 | ||
537 | extern int flag_new_for_scope; | |
538 | ||
539 | /* Nonzero if we want to emit defined symbols with common-like linkage as | |
540 | weak symbols where possible, in order to conform to C++ semantics. | |
541 | Otherwise, emit them as local symbols. */ | |
542 | ||
543 | extern int flag_weak; | |
544 | ||
b20d9f0c AO |
545 | /* 0 means we want the preprocessor to not emit line directives for |
546 | the current working directory. 1 means we want it to do it. -1 | |
547 | means we should decide depending on whether debugging information | |
548 | is being emitted or not. */ | |
549 | ||
550 | extern int flag_working_directory; | |
551 | ||
4078b403 NB |
552 | /* Nonzero to use __cxa_atexit, rather than atexit, to register |
553 | destructors for local statics and global objects. */ | |
554 | ||
555 | extern int flag_use_cxa_atexit; | |
556 | ||
4078b403 NB |
557 | /* Nonzero means make the default pedwarns warnings instead of errors. |
558 | The value of this flag is ignored if -pedantic is specified. */ | |
559 | ||
560 | extern int flag_permissive; | |
561 | ||
562 | /* Nonzero means to implement standard semantics for exception | |
563 | specifications, calling unexpected if an exception is thrown that | |
564 | doesn't match the specification. Zero means to treat them as | |
565 | assertions and optimize accordingly, but not check them. */ | |
566 | ||
567 | extern int flag_enforce_eh_specs; | |
568 | ||
40aac948 JM |
569 | /* Nonzero (the default) means to generate thread-safe code for |
570 | initializing local statics. */ | |
571 | ||
572 | extern int flag_threadsafe_statics; | |
573 | ||
4078b403 NB |
574 | /* Nonzero means warn about implicit declarations. */ |
575 | ||
576 | extern int warn_implicit; | |
577 | ||
4078b403 NB |
578 | /* Maximum template instantiation depth. This limit is rather |
579 | arbitrary, but it exists to limit the time it takes to notice | |
580 | infinite template instantiations. */ | |
581 | ||
582 | extern int max_tinst_depth; | |
ab76ca54 | 583 | |
25587e40 AO |
584 | /* Nonzero means the expression being parsed will never be evaluated. |
585 | This is a count, since unevaluated expressions can nest. */ | |
586 | ||
587 | extern int skip_evaluation; | |
588 | ||
ab76ca54 MM |
589 | /* C types are partitioned into three subsets: object, function, and |
590 | incomplete types. */ | |
591 | #define C_TYPE_OBJECT_P(type) \ | |
592 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
593 | ||
594 | #define C_TYPE_INCOMPLETE_P(type) \ | |
595 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
596 | ||
597 | #define C_TYPE_FUNCTION_P(type) \ | |
598 | (TREE_CODE (type) == FUNCTION_TYPE) | |
599 | ||
600 | /* For convenience we define a single macro to identify the class of | |
601 | object or incomplete types. */ | |
602 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
603 | (!C_TYPE_FUNCTION_P (type)) | |
604 | ||
349ae713 NB |
605 | /* Attribute table common to the C front ends. */ |
606 | extern const struct attribute_spec c_common_attribute_table[]; | |
607 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
608 | ||
0ba8a114 | 609 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
610 | ID is the identifier to use, NAME is the string. |
611 | TYPE_DEP indicates whether it depends on type of the function or not | |
612 | (i.e. __PRETTY_FUNCTION__). */ | |
613 | ||
35b1a6fa AJ |
614 | extern tree (*make_fname_decl) (tree, int); |
615 | ||
616 | extern tree identifier_global_value (tree); | |
617 | extern void record_builtin_type (enum rid, const char *, tree); | |
618 | extern tree build_void_list_node (void); | |
619 | extern void start_fname_decls (void); | |
620 | extern void finish_fname_decls (void); | |
621 | extern const char *fname_as_string (int); | |
622 | extern tree fname_decl (unsigned, tree); | |
35b1a6fa AJ |
623 | |
624 | extern void check_function_arguments (tree, tree); | |
625 | extern void check_function_arguments_recurse (void (*) | |
626 | (void *, tree, | |
627 | unsigned HOST_WIDE_INT), | |
628 | void *, tree, | |
629 | unsigned HOST_WIDE_INT); | |
99801548 | 630 | extern void check_function_format (tree, tree); |
35b1a6fa AJ |
631 | extern void set_Wformat (int); |
632 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); | |
633 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
2772ef3e | 634 | extern int c_common_handle_option (size_t code, const char *arg, int value); |
cb66e385 | 635 | extern bool c_common_missing_argument (const char *opt, size_t code); |
35b1a6fa AJ |
636 | extern tree c_common_type_for_mode (enum machine_mode, int); |
637 | extern tree c_common_type_for_size (unsigned int, int); | |
638 | extern tree c_common_unsigned_type (tree); | |
639 | extern tree c_common_signed_type (tree); | |
640 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
641 | extern tree c_common_truthvalue_conversion (tree); | |
642 | extern void c_apply_type_quals_to_decl (int, tree); | |
643 | extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int); | |
644 | extern tree c_alignof_expr (tree); | |
7f4edbcb BS |
645 | /* Print an error message for invalid operands to arith operation CODE. |
646 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
35b1a6fa | 647 | extern void binary_op_error (enum tree_code); |
35b1a6fa | 648 | extern tree fix_string_type (tree); |
b84a3874 | 649 | struct varray_head_tag; |
35b1a6fa AJ |
650 | extern void constant_expression_warning (tree); |
651 | extern tree convert_and_check (tree, tree); | |
652 | extern void overflow_warning (tree); | |
653 | extern void unsigned_conversion_warning (tree, tree); | |
b2ca3702 | 654 | extern bool c_determine_visibility (tree); |
ab76ca54 | 655 | |
ea793912 GDR |
656 | #define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) |
657 | #define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) | |
7f4edbcb BS |
658 | |
659 | /* Subroutine of build_binary_op, used for comparison operations. | |
660 | See if the operands have both been converted from subword integer types | |
661 | and, if so, perhaps change them both back to their original type. */ | |
35b1a6fa | 662 | extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); |
7f4edbcb | 663 | |
35b1a6fa AJ |
664 | extern tree pointer_int_sum (enum tree_code, tree, tree); |
665 | extern unsigned int min_precision (tree, int); | |
50e60bc3 ZW |
666 | |
667 | /* Add qualifiers to a type, in the fashion for C. */ | |
35b1a6fa | 668 | extern tree c_build_qualified_type (tree, int); |
50e60bc3 | 669 | |
7f4edbcb BS |
670 | /* Build tree nodes and builtin functions common to both C and C++ language |
671 | frontends. */ | |
35b1a6fa | 672 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 673 | |
b482789c MA |
674 | extern void set_builtin_user_assembler_name (tree decl, const char *asmspec); |
675 | ||
35b1a6fa | 676 | extern void disable_builtin_function (const char *); |
7d14c755 | 677 | |
35b1a6fa | 678 | extern tree build_va_arg (tree, tree); |
7e8176d7 | 679 | |
b86f6cd9 | 680 | extern unsigned int c_common_init_options (unsigned int, const char **); |
35b1a6fa AJ |
681 | extern bool c_common_post_options (const char **); |
682 | extern bool c_common_init (void); | |
683 | extern void c_common_finish (void); | |
684 | extern void c_common_parse_file (int); | |
685 | extern HOST_WIDE_INT c_common_get_alias_set (tree); | |
9649812a | 686 | extern void c_register_builtin_type (tree, const char*); |
35b1a6fa AJ |
687 | extern bool c_promoting_integer_type_p (tree); |
688 | extern int self_promoting_args_p (tree); | |
689 | extern tree strip_array_types (tree); | |
12ea3302 | 690 | extern tree strip_pointer_operator (tree); |
d7e7759d | 691 | |
d1bd0ded GK |
692 | /* This is the basic parsing function. */ |
693 | extern void c_parse_file (void); | |
694 | /* This is misnamed, it actually performs end-of-compilation processing. */ | |
695 | extern void finish_file (void); | |
696 | ||
ae499cce MM |
697 | /* These macros provide convenient access to the various _STMT nodes. */ |
698 | ||
699 | /* Nonzero if this statement should be considered a full-expression, | |
700 | i.e., if temporaries created during this statement should have | |
701 | their destructors run at the end of this statement. (In C, this | |
702 | will always be false, since there are no destructors.) */ | |
703 | #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) | |
35b1567d | 704 | |
325c3691 RH |
705 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
706 | if a statement expression. */ | |
707 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
708 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
174283a3 RH |
709 | |
710 | /* Nonzero if a label has been added to the statement list. */ | |
711 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
712 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
325c3691 | 713 | |
ff7cc307 | 714 | /* WHILE_STMT accessors. These give access to the condition of the |
2ba84f36 | 715 | while statement and the body of the while statement, respectively. */ |
d7e7759d BC |
716 | #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) |
717 | #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) | |
35b1567d BC |
718 | |
719 | /* DO_STMT accessors. These give access to the condition of the do | |
2ba84f36 | 720 | statement and the body of the do statement, respectively. */ |
d7e7759d BC |
721 | #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) |
722 | #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) | |
35b1567d | 723 | |
35b1567d | 724 | /* EXPR_STMT accessor. This gives the expression associated with an |
2ba84f36 | 725 | expression statement. */ |
d7e7759d | 726 | #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) |
35b1567d BC |
727 | |
728 | /* FOR_STMT accessors. These give access to the init statement, | |
729 | condition, update expression, and body of the for statement, | |
2ba84f36 | 730 | respectively. */ |
d7e7759d BC |
731 | #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) |
732 | #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) | |
733 | #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) | |
734 | #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) | |
35b1567d | 735 | |
ebaae582 SB |
736 | #define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) |
737 | #define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) | |
738 | #define SWITCH_STMT_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) | |
35b1567d | 739 | |
2ba84f36 | 740 | /* STMT_EXPR accessor. */ |
d7e7759d | 741 | #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) |
35b1567d | 742 | |
b2123dc0 MM |
743 | /* Nonzero if this statement-expression does not have an associated scope. */ |
744 | #define STMT_EXPR_NO_SCOPE(NODE) \ | |
745 | TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) | |
746 | ||
8d37a5c0 JM |
747 | /* COMPOUND_LITERAL_EXPR accessors. */ |
748 | #define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ | |
db3acfa5 | 749 | TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) |
8d37a5c0 | 750 | #define COMPOUND_LITERAL_EXPR_DECL(NODE) \ |
350fae66 | 751 | DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) |
db3acfa5 | 752 | |
c7d87c0a BC |
753 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, |
754 | ||
755 | enum c_tree_code { | |
756 | C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, | |
757 | #include "c-common.def" | |
758 | LAST_C_TREE_CODE | |
759 | }; | |
760 | ||
761 | #undef DEFTREECODE | |
762 | ||
009ed910 | 763 | #define c_common_stmt_codes \ |
350fae66 | 764 | EXPR_STMT, FOR_STMT, \ |
5088b058 | 765 | WHILE_STMT, DO_STMT, \ |
8c161995 | 766 | BREAK_STMT, CONTINUE_STMT, SWITCH_STMT |
009ed910 SB |
767 | |
768 | /* TRUE if a code represents a statement. The front end init | |
769 | langhook should take care of initialization of this array. */ | |
770 | extern bool statement_code_p[MAX_TREE_CODES]; | |
771 | ||
772 | #define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)] | |
773 | ||
774 | #define INIT_STATEMENT_CODES(STMT_CODES) \ | |
775 | do { \ | |
776 | unsigned int i; \ | |
777 | memset (&statement_code_p, 0, sizeof (statement_code_p)); \ | |
778 | for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \ | |
779 | statement_code_p[STMT_CODES[i]] = true; \ | |
780 | } while (0) | |
781 | ||
35b1a6fa AJ |
782 | extern int stmts_are_full_exprs_p (void); |
783 | extern int anon_aggr_type_p (tree); | |
f2c5f623 BC |
784 | |
785 | /* For a VAR_DECL that is an anonymous union, these are the various | |
786 | sub-variables that make up the anonymous union. */ | |
787 | #define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) | |
788 | ||
0a7394bc MM |
789 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
790 | #define DECL_C_BIT_FIELD(NODE) \ | |
791 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
792 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
793 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
794 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
795 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
796 | ||
35b1a6fa | 797 | extern void emit_local_var (tree); |
35b1a6fa AJ |
798 | extern tree do_case (tree, tree); |
799 | extern tree build_stmt (enum tree_code, ...); | |
800 | extern tree build_case_label (tree, tree, tree); | |
801 | extern tree build_continue_stmt (void); | |
802 | extern tree build_break_stmt (void); | |
f2c5f623 | 803 | |
ab76ca54 MM |
804 | /* These functions must be defined by each front-end which implements |
805 | a variant of the C language. They are used in c-common.c. */ | |
806 | ||
35b1a6fa AJ |
807 | extern tree build_unary_op (enum tree_code, tree, int); |
808 | extern tree build_binary_op (enum tree_code, tree, tree, int); | |
809 | extern int lvalue_p (tree); | |
810 | extern tree default_conversion (tree); | |
ab76ca54 MM |
811 | |
812 | /* Given two integer or real types, return the type for their sum. | |
813 | Given two compatible ANSI C types, returns the merged type. */ | |
814 | ||
35b1a6fa | 815 | extern tree common_type (tree, tree); |
44835fdd | 816 | |
35b1a6fa | 817 | extern tree decl_constant_value (tree); |
56cb9733 | 818 | |
19552aa5 | 819 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 820 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 821 | |
35b1a6fa | 822 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 823 | |
a6c0a76c | 824 | extern tree c_add_case_label (splay_tree, tree, tree, tree, tree); |
8f17b5c5 | 825 | |
6de9cd9a DN |
826 | extern void c_do_switch_warnings (splay_tree, tree); |
827 | ||
35b1a6fa | 828 | extern tree build_function_call (tree, tree); |
c70eaeaf | 829 | |
35b1a6fa | 830 | extern tree finish_label_address_expr (tree); |
15b732b2 NB |
831 | |
832 | /* Same function prototype, but the C and C++ front ends have | |
833 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 834 | extern tree lookup_label (tree); |
15b732b2 | 835 | |
cc27e657 PB |
836 | extern int vector_types_convertible_p (tree t1, tree t2); |
837 | ||
0fab64a3 | 838 | extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); |
8f17b5c5 | 839 | |
525c6bf5 | 840 | extern tree c_staticp (tree); |
db3acfa5 | 841 | |
35b1a6fa | 842 | extern void init_c_lex (void); |
81a75f0f | 843 | |
35b1a6fa | 844 | extern void c_cpp_builtins (cpp_reader *); |
76c3e73e | 845 | |
731e8b38 MM |
846 | /* Positive if an implicit `extern "C"' scope has just been entered; |
847 | negative if such a scope has just been exited. */ | |
7876228d | 848 | extern GTY(()) int pending_lang_change; |
731e8b38 | 849 | |
0e5921e8 ZW |
850 | /* Information recorded about each file examined during compilation. */ |
851 | ||
852 | struct c_fileinfo | |
853 | { | |
854 | int time; /* Time spent in the file. */ | |
5d709b00 ZW |
855 | |
856 | /* Flags used only by C++. | |
857 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
858 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
859 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
860 | INTERFACE_ONLY is zero, it means that we are responsible for | |
861 | exporting definitions that others might need. */ | |
862 | short interface_only; | |
0e5921e8 ZW |
863 | short interface_unknown; |
864 | }; | |
865 | ||
35b1a6fa AJ |
866 | struct c_fileinfo *get_fileinfo (const char *); |
867 | extern void dump_time_statistics (void); | |
868 | ||
869 | extern bool c_dump_tree (void *, tree); | |
870 | ||
6de9cd9a DN |
871 | extern void c_warn_unused_result (tree *); |
872 | ||
3a5b9284 RH |
873 | extern void verify_sequence_points (tree); |
874 | ||
ee8a6a3e RH |
875 | extern tree fold_offsetof (tree); |
876 | ||
5ae9ba3e MM |
877 | /* Places where an lvalue, or modifiable lvalue, may be required. |
878 | Used to select diagnostic messages in lvalue_or_else and | |
879 | readonly_error. */ | |
880 | enum lvalue_use { | |
881 | lv_assign, | |
882 | lv_increment, | |
883 | lv_decrement, | |
884 | lv_addressof, | |
885 | lv_asm | |
886 | }; | |
887 | ||
888 | extern int lvalue_or_else (tree, enum lvalue_use); | |
889 | ||
7c34ced1 | 890 | /* In c-gimplify.c */ |
6de9cd9a | 891 | extern void c_genericize (tree); |
7c34ced1 | 892 | extern int c_gimplify_expr (tree *, tree *, tree *); |
325c3691 | 893 | extern tree c_build_bind_expr (tree, tree); |
6de9cd9a | 894 | |
c0d578e6 | 895 | /* In c-pch.c */ |
35b1a6fa AJ |
896 | extern void pch_init (void); |
897 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); | |
898 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
899 | const char *orig); | |
900 | extern void c_common_write_pch (void); | |
18c81520 | 901 | extern void c_common_no_more_pch (void); |
c0d578e6 GK |
902 | extern void c_common_pch_pragma (cpp_reader *pfile); |
903 | ||
35b1a6fa AJ |
904 | extern void builtin_define_with_value (const char *, const char *, int); |
905 | extern void c_stddef_cpp_builtins (void); | |
906 | extern void fe_file_change (const struct line_map *); | |
4bb8ca28 | 907 | extern void c_parse_error (const char *, enum cpp_ttype, tree); |
9d10c9a9 | 908 | |
e5a002e3 ZL |
909 | /* Objective-C / Objective-C++ entry points. */ |
910 | ||
911 | /* The following ObjC/ObjC++ functions are called by the C and/or C++ | |
912 | front-ends; they all must have corresponding stubs in stub-objc.c. */ | |
bc095846 | 913 | extern tree objc_is_class_name (tree); |
264fa2db ZL |
914 | extern tree objc_is_object_ptr (tree); |
915 | extern void objc_check_decl (tree); | |
e5a002e3 | 916 | extern int objc_is_reserved_word (tree); |
264fa2db ZL |
917 | extern int objc_comptypes (tree, tree, int); |
918 | extern tree objc_message_selector (void); | |
16b34ad6 | 919 | extern tree objc_lookup_ivar (tree, tree); |
325c3691 | 920 | extern void objc_clear_super_receiver (void); |
7a3ea201 | 921 | extern int objc_is_public (tree, tree); |
a45bcfb2 ZL |
922 | extern tree objc_is_id (tree); |
923 | extern void objc_declare_alias (tree, tree); | |
924 | extern void objc_declare_class (tree); | |
925 | extern void objc_declare_protocols (tree); | |
926 | extern tree objc_build_message_expr (tree); | |
927 | extern tree objc_finish_message_expr (tree, tree, tree); | |
928 | extern tree objc_build_selector_expr (tree); | |
929 | extern tree objc_build_protocol_expr (tree); | |
930 | extern tree objc_build_encode_expr (tree); | |
931 | extern tree objc_build_string_object (tree); | |
932 | extern tree objc_get_protocol_qualified_type (tree, tree); | |
933 | extern tree objc_get_class_reference (tree); | |
934 | extern tree objc_get_class_ivars (tree); | |
935 | extern void objc_start_class_interface (tree, tree, tree); | |
936 | extern void objc_start_category_interface (tree, tree, tree); | |
937 | extern void objc_start_protocol (tree, tree); | |
938 | extern void objc_continue_interface (void); | |
939 | extern void objc_finish_interface (void); | |
940 | extern void objc_start_class_implementation (tree, tree); | |
941 | extern void objc_start_category_implementation (tree, tree); | |
942 | extern void objc_continue_implementation (void); | |
943 | extern void objc_finish_implementation (void); | |
944 | extern void objc_set_visibility (int); | |
945 | extern void objc_set_method_type (enum tree_code); | |
946 | extern tree objc_build_method_signature (tree, tree, tree); | |
947 | extern void objc_add_method_declaration (tree); | |
948 | extern void objc_start_method_definition (tree); | |
949 | extern void objc_finish_method_definition (tree); | |
950 | extern void objc_add_instance_variable (tree); | |
951 | extern tree objc_build_keyword_decl (tree, tree, tree); | |
952 | extern tree objc_build_throw_stmt (tree); | |
953 | extern void objc_begin_try_stmt (location_t, tree); | |
954 | extern void objc_finish_try_stmt (void); | |
955 | extern void objc_begin_catch_clause (tree); | |
956 | extern void objc_finish_catch_clause (void); | |
957 | extern void objc_build_finally_clause (location_t, tree); | |
958 | extern void objc_build_synchronized (location_t, tree, tree); | |
959 | extern int objc_static_init_needed_p (void); | |
960 | extern tree objc_generate_static_init_call (tree); | |
264fa2db | 961 | |
e5a002e3 ZL |
962 | /* The following are provided by the C and C++ front-ends, and called by |
963 | ObjC/ObjC++. */ | |
bc095846 | 964 | extern void *objc_get_current_scope (void); |
e5a002e3 ZL |
965 | extern void objc_mark_locals_volatile (void *); |
966 | ||
9d10c9a9 | 967 | /* In c-ppoutput.c */ |
35b1a6fa AJ |
968 | extern void init_pp_output (FILE *); |
969 | extern void preprocess_file (cpp_reader *); | |
970 | extern void pp_file_change (const struct line_map *); | |
8e9ea4d7 | 971 | extern void pp_dir_change (cpp_reader *, const char *); |
17211ab5 | 972 | |
88657302 | 973 | #endif /* ! GCC_C_COMMON_H */ |