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7f4edbcb | 1 | /* Definitions for c-common.c. |
5624e564 | 2 | Copyright (C) 1987-2015 Free Software Foundation, Inc. |
7f4edbcb | 3 | |
1322177d | 4 | This file is part of GCC. |
7f4edbcb | 5 | |
1322177d LB |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 8 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 9 | version. |
7f4edbcb | 10 | |
1322177d LB |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
7f4edbcb BS |
15 | |
16 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
7f4edbcb | 19 | |
0e5921e8 ZW |
20 | #ifndef GCC_C_COMMON_H |
21 | #define GCC_C_COMMON_H | |
22 | ||
8f17b5c5 | 23 | #include "splay-tree.h" |
2a967f3d | 24 | #include "cpplib.h" |
d07605f5 | 25 | #include "ggc.h" |
40e23961 MC |
26 | #include "hashtab.h" |
27 | #include "hash-set.h" | |
28 | #include "machmode.h" | |
29 | #include "input.h" | |
30 | #include "statistics.h" | |
31 | #include "vec.h" | |
32 | #include "double-int.h" | |
33 | #include "real.h" | |
34 | #include "fixed-value.h" | |
35 | #include "alias.h" | |
36 | #include "flags.h" | |
37 | #include "symtab.h" | |
38 | #include "wide-int.h" | |
39 | #include "inchash.h" | |
532aafad | 40 | #include "tree.h" |
40e23961 | 41 | #include "fold-const.h" |
8f17b5c5 | 42 | |
59cc9210 SB |
43 | /* In order for the format checking to accept the C frontend |
44 | diagnostic framework extensions, you must include this file before | |
718f9c0f | 45 | diagnostic-core.h, not after. The C front end formats are a subset of those |
59cc9210 SB |
46 | for C++, so they are the appropriate set to use in common code; |
47 | cp-tree.h overrides this for C++. */ | |
718f9c0f MLI |
48 | #if defined(GCC_DIAGNOSTIC_CORE_H) |
49 | #error \ | |
50 | In order for the format checking to accept the C front end diagnostic \ | |
51 | framework extensions, you must include this file before diagnostic-core.h \ | |
52 | never after. | |
53 | #endif | |
59cc9210 SB |
54 | #ifndef GCC_DIAG_STYLE |
55 | #define GCC_DIAG_STYLE __gcc_cdiag__ | |
56 | #endif | |
57 | #include "diagnostic-core.h" | |
58 | ||
f2c5f623 | 59 | /* Usage of TREE_LANG_FLAG_?: |
3af07c22 | 60 | 0: IDENTIFIER_MARKED (used by search routines). |
928c19bb | 61 | C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
f2c5f623 | 62 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
325c3691 | 63 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
928c19bb | 64 | C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) |
6de9cd9a | 65 | 2: unused |
174283a3 | 66 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
325c3691 | 67 | 4: unused |
f2c5f623 BC |
68 | */ |
69 | ||
0e5921e8 | 70 | /* Reserved identifiers. This is the union of all the keywords for C, |
40f03658 | 71 | C++, and Objective-C. All the type modifiers have to be in one |
0e5921e8 | 72 | block at the beginning, because they are used as mask bits. There |
bbceee64 | 73 | are 28 type modifiers; if we add many more we will have to redesign |
0e5921e8 | 74 | the mask mechanism. */ |
f09f1de5 MM |
75 | |
76 | enum rid | |
77 | { | |
0e5921e8 | 78 | /* Modifiers: */ |
2ba84f36 | 79 | /* C, in empirical order of frequency. */ |
0e5921e8 ZW |
80 | RID_STATIC = 0, |
81 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, | |
82 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, | |
83 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, | |
267bac10 | 84 | RID_NORETURN, RID_ATOMIC, |
0e5921e8 ZW |
85 | |
86 | /* C extensions */ | |
ab22c1fa | 87 | RID_COMPLEX, RID_THREAD, RID_SAT, |
0e5921e8 ZW |
88 | |
89 | /* C++ */ | |
90 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
91 | ||
1973201f NP |
92 | /* ObjC ("PQ" reserved words - they do not appear after a '@' and |
93 | are keywords only in specific contexts) */ | |
b8363a24 | 94 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
0e5921e8 | 95 | |
668ea4b1 IS |
96 | /* ObjC ("PATTR" reserved words - they do not appear after a '@' |
97 | and are keywords only as property attributes) */ | |
200290f2 NP |
98 | RID_GETTER, RID_SETTER, |
99 | RID_READONLY, RID_READWRITE, | |
100 | RID_ASSIGN, RID_RETAIN, RID_COPY, | |
200290f2 | 101 | RID_NONATOMIC, |
668ea4b1 | 102 | |
fa5da7de JM |
103 | /* C (reserved and imaginary types not implemented, so any use is a |
104 | syntax error) */ | |
105 | RID_IMAGINARY, | |
106 | ||
0e5921e8 ZW |
107 | /* C */ |
108 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, | |
109 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, | |
110 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, | |
111 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, | |
112 | RID_SIZEOF, | |
113 | ||
114 | /* C extensions */ | |
115 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | |
da5b307a | 116 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
f90e8e2e | 117 | RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
9a8ce21f | 118 | RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
74893f25 | 119 | RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, |
0e5921e8 | 120 | |
48b0b196 | 121 | /* C11 */ |
433cc7b0 | 122 | RID_ALIGNAS, RID_GENERIC, |
d19fa6b5 | 123 | |
eea1139b ILT |
124 | /* This means to warn that this is a C++ keyword, and then treat it |
125 | as a normal identifier. */ | |
126 | RID_CXX_COMPAT_WARN, | |
127 | ||
0a35513e AH |
128 | /* GNU transactional memory extension */ |
129 | RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, | |
130 | ||
0ba8a114 NS |
131 | /* Too many ways of getting the name of a function as a string */ |
132 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
133 | ||
1973201f NP |
134 | /* C++ (some of these are keywords in Objective-C as well, but only |
135 | if they appear after a '@') */ | |
0e5921e8 ZW |
136 | RID_BOOL, RID_WCHAR, RID_CLASS, |
137 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
138 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
139 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
c22cacf3 MS |
140 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
141 | RID_THIS, RID_THROW, RID_TRUE, | |
142 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
b6baa67d | 143 | RID_USING, RID_CHAR16, RID_CHAR32, |
0e5921e8 ZW |
144 | |
145 | /* casts */ | |
146 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
147 | ||
cb68ec50 | 148 | /* C++ extensions */ |
b3908fcc | 149 | RID_BASES, RID_DIRECT_BASES, |
cb68ec50 PC |
150 | RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
151 | RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, | |
152 | RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, | |
153 | RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR, | |
154 | RID_IS_ABSTRACT, RID_IS_BASE_OF, | |
8d0cf15e | 155 | RID_IS_CLASS, |
cb68ec50 | 156 | RID_IS_EMPTY, RID_IS_ENUM, |
b3908fcc JW |
157 | RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
158 | RID_IS_POD, RID_IS_POLYMORPHIC, | |
159 | RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, | |
dd5d5481 | 160 | RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
b752325e | 161 | RID_IS_TRIVIALLY_COPYABLE, |
b3908fcc | 162 | RID_IS_UNION, RID_UNDERLYING_TYPE, |
cb68ec50 | 163 | |
b3908fcc | 164 | /* C++11 */ |
0a766368 | 165 | RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
218f0015 | 166 | |
939b37da | 167 | /* Cilk Plus keywords. */ |
9a771876 | 168 | RID_CILK_SPAWN, RID_CILK_SYNC, RID_CILK_FOR, |
939b37da | 169 | |
1973201f NP |
170 | /* Objective-C ("AT" reserved words - they are only keywords when |
171 | they follow '@') */ | |
3a3589b4 | 172 | RID_AT_ENCODE, RID_AT_END, |
0e5921e8 | 173 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
c37d8c30 | 174 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, |
c22cacf3 | 175 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
264fa2db | 176 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
92902b1b | 177 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, |
668ea4b1 | 178 | RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, |
da57d1b9 | 179 | RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, |
264fa2db | 180 | RID_AT_INTERFACE, |
0e5921e8 ZW |
181 | RID_AT_IMPLEMENTATION, |
182 | ||
36c5e70a BE |
183 | /* Named address support, mapping the keyword to a particular named address |
184 | number. Named address space 0 is reserved for the generic address. If | |
185 | there are more than 254 named addresses, the addr_space_t type will need | |
186 | to be grown from an unsigned char to unsigned short. */ | |
187 | RID_ADDR_SPACE_0, /* generic address */ | |
188 | RID_ADDR_SPACE_1, | |
189 | RID_ADDR_SPACE_2, | |
190 | RID_ADDR_SPACE_3, | |
191 | RID_ADDR_SPACE_4, | |
192 | RID_ADDR_SPACE_5, | |
193 | RID_ADDR_SPACE_6, | |
194 | RID_ADDR_SPACE_7, | |
195 | RID_ADDR_SPACE_8, | |
196 | RID_ADDR_SPACE_9, | |
197 | RID_ADDR_SPACE_10, | |
198 | RID_ADDR_SPACE_11, | |
199 | RID_ADDR_SPACE_12, | |
200 | RID_ADDR_SPACE_13, | |
201 | RID_ADDR_SPACE_14, | |
202 | RID_ADDR_SPACE_15, | |
203 | ||
204 | RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, | |
205 | RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, | |
206 | ||
78a7c317 DD |
207 | /* __intN keywords. The _N_M here doesn't correspond to the intN |
208 | in the keyword; use the bitsize in int_n_t_data_t[M] for that. | |
209 | For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 | |
210 | is for __int13. */ | |
211 | ||
212 | /* Note that the range to use is RID_FIRST_INT_N through | |
213 | RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of | |
214 | all RID_INT_N_* in a case statement. */ | |
215 | ||
216 | RID_INT_N_0, | |
217 | RID_INT_N_1, | |
218 | RID_INT_N_2, | |
219 | RID_INT_N_3, | |
220 | ||
221 | RID_FIRST_INT_N = RID_INT_N_0, | |
222 | RID_LAST_INT_N = RID_INT_N_3, | |
223 | ||
0e5921e8 ZW |
224 | RID_MAX, |
225 | ||
226 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
227 | RID_LAST_MODIFIER = RID_ONEWAY, |
228 | ||
14c2101d JM |
229 | RID_FIRST_CXX0X = RID_CONSTEXPR, |
230 | RID_LAST_CXX0X = RID_STATIC_ASSERT, | |
b8363a24 ZW |
231 | RID_FIRST_AT = RID_AT_ENCODE, |
232 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
233 | RID_FIRST_PQ = RID_IN, | |
668ea4b1 | 234 | RID_LAST_PQ = RID_ONEWAY, |
200290f2 NP |
235 | RID_FIRST_PATTR = RID_GETTER, |
236 | RID_LAST_PATTR = RID_NONATOMIC | |
f09f1de5 MM |
237 | }; |
238 | ||
b8363a24 | 239 | #define OBJC_IS_AT_KEYWORD(rid) \ |
3f75a254 JM |
240 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
241 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
b8363a24 ZW |
242 | |
243 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
3f75a254 JM |
244 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
245 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
b8363a24 | 246 | |
668ea4b1 IS |
247 | #define OBJC_IS_PATTR_KEYWORD(rid) \ |
248 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ | |
249 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) | |
250 | ||
1973201f NP |
251 | /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as |
252 | 'class') which are shared in a subtle way between Objective-C and | |
253 | C++. When the lexer is lexing in Objective-C/Objective-C++, if it | |
254 | finds '@' followed by one of these identifiers (eg, '@class'), it | |
255 | recognizes the whole as an Objective-C keyword. If the identifier | |
256 | is found elsewhere, it follows the rules of the C/C++ language. | |
257 | */ | |
258 | #define OBJC_IS_CXX_KEYWORD(rid) \ | |
259 | (rid == RID_CLASS \ | |
260 | || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ | |
261 | || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) | |
262 | ||
f09f1de5 MM |
263 | /* The elements of `ridpointers' are identifier nodes for the reserved |
264 | type names and storage classes. It is indexed by a RID_... value. */ | |
3f75a254 | 265 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
f09f1de5 | 266 | |
7f4edbcb BS |
267 | /* Standard named or nameless data types of the C compiler. */ |
268 | ||
269 | enum c_tree_index | |
270 | { | |
b6baa67d KVH |
271 | CTI_CHAR16_TYPE, |
272 | CTI_CHAR32_TYPE, | |
7f4edbcb | 273 | CTI_WCHAR_TYPE, |
207bf79d | 274 | CTI_UNDERLYING_WCHAR_TYPE, |
c5ab7f91 | 275 | CTI_WINT_TYPE, |
cd732418 JM |
276 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
277 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
278 | CTI_INTMAX_TYPE, |
279 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
280 | CTI_WIDEST_INT_LIT_TYPE, |
281 | CTI_WIDEST_UINT_LIT_TYPE, | |
282 | ||
207bf79d JM |
283 | /* Types for <stdint.h>, that may not be defined on all |
284 | targets. */ | |
285 | CTI_SIG_ATOMIC_TYPE, | |
286 | CTI_INT8_TYPE, | |
287 | CTI_INT16_TYPE, | |
288 | CTI_INT32_TYPE, | |
289 | CTI_INT64_TYPE, | |
290 | CTI_UINT8_TYPE, | |
291 | CTI_UINT16_TYPE, | |
292 | CTI_UINT32_TYPE, | |
293 | CTI_UINT64_TYPE, | |
294 | CTI_INT_LEAST8_TYPE, | |
295 | CTI_INT_LEAST16_TYPE, | |
296 | CTI_INT_LEAST32_TYPE, | |
297 | CTI_INT_LEAST64_TYPE, | |
298 | CTI_UINT_LEAST8_TYPE, | |
299 | CTI_UINT_LEAST16_TYPE, | |
300 | CTI_UINT_LEAST32_TYPE, | |
301 | CTI_UINT_LEAST64_TYPE, | |
302 | CTI_INT_FAST8_TYPE, | |
303 | CTI_INT_FAST16_TYPE, | |
304 | CTI_INT_FAST32_TYPE, | |
305 | CTI_INT_FAST64_TYPE, | |
306 | CTI_UINT_FAST8_TYPE, | |
307 | CTI_UINT_FAST16_TYPE, | |
308 | CTI_UINT_FAST32_TYPE, | |
309 | CTI_UINT_FAST64_TYPE, | |
310 | CTI_INTPTR_TYPE, | |
311 | CTI_UINTPTR_TYPE, | |
312 | ||
7f4edbcb | 313 | CTI_CHAR_ARRAY_TYPE, |
b6baa67d KVH |
314 | CTI_CHAR16_ARRAY_TYPE, |
315 | CTI_CHAR32_ARRAY_TYPE, | |
7f4edbcb | 316 | CTI_WCHAR_ARRAY_TYPE, |
7f4edbcb BS |
317 | CTI_STRING_TYPE, |
318 | CTI_CONST_STRING_TYPE, | |
319 | ||
19552aa5 | 320 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
321 | CTI_TRUTHVALUE_TYPE, |
322 | CTI_TRUTHVALUE_TRUE, | |
323 | CTI_TRUTHVALUE_FALSE, | |
324 | ||
7f4edbcb | 325 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 326 | |
2ba84f36 | 327 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
328 | CTI_FUNCTION_NAME_DECL, |
329 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
330 | CTI_C99_FUNCTION_NAME_DECL, | |
331 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
c22cacf3 | 332 | |
b2f97e4a MM |
333 | CTI_NULL, |
334 | ||
7f4edbcb BS |
335 | CTI_MAX |
336 | }; | |
337 | ||
5950c3c9 BE |
338 | #define C_CPP_HASHNODE(id) \ |
339 | (&(((struct c_common_identifier *) (id))->node)) | |
d75d71e0 ILT |
340 | #define C_RID_CODE(id) \ |
341 | ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) | |
342 | #define C_SET_RID_CODE(id, code) \ | |
343 | (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) | |
2a967f3d NB |
344 | |
345 | /* Identifier part common to the C front ends. Inherits from | |
346 | tree_identifier, despite appearances. */ | |
d1b38208 | 347 | struct GTY(()) c_common_identifier { |
4f60111f | 348 | struct tree_common common; |
17211ab5 | 349 | struct cpp_hashnode node; |
2a967f3d NB |
350 | }; |
351 | ||
eea1139b ILT |
352 | /* An entry in the reserved keyword table. */ |
353 | ||
354 | struct c_common_resword | |
355 | { | |
356 | const char *const word; | |
357 | ENUM_BITFIELD(rid) const rid : 16; | |
358 | const unsigned int disable : 16; | |
359 | }; | |
360 | ||
8fba1830 BRF |
361 | /* Mode used to build pointers (VOIDmode means ptr_mode). */ |
362 | ||
363 | extern machine_mode c_default_pointer_mode; | |
364 | ||
34429675 JM |
365 | /* Extra cpp_ttype values for C++. */ |
366 | ||
34429675 JM |
367 | /* A token type for template-ids. If a template-id is processed while |
368 | parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; | |
369 | the value of the CPP_TEMPLATE_ID is whatever was returned by | |
370 | cp_parser_template_id. */ | |
371 | #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) | |
372 | ||
373 | /* A token type for nested-name-specifiers. If a | |
374 | nested-name-specifier is processed while parsing tentatively, it is | |
375 | replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the | |
376 | CPP_NESTED_NAME_SPECIFIER is whatever was returned by | |
377 | cp_parser_nested_name_specifier_opt. */ | |
378 | #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) | |
379 | ||
380 | /* A token type for pre-parsed C++0x decltype. */ | |
381 | #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) | |
382 | ||
5f83e90b JM |
383 | /* A token type for pre-parsed primary-expression (lambda- or statement-). */ |
384 | #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) | |
385 | ||
34429675 | 386 | /* The number of token types, including C++-specific ones. */ |
5f83e90b | 387 | #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) |
34429675 | 388 | |
eea1139b ILT |
389 | /* Disable mask. Keywords are disabled if (reswords[i].disable & |
390 | mask) is _true_. Thus for keywords which are present in all | |
391 | languages the disable field is zero. */ | |
392 | ||
393 | #define D_CONLY 0x001 /* C only (not in C++). */ | |
394 | #define D_CXXONLY 0x002 /* C++ only (not in C). */ | |
395 | #define D_C99 0x004 /* In C, C99 only. */ | |
396 | #define D_CXX0X 0x008 /* In C++, C++0X only. */ | |
397 | #define D_EXT 0x010 /* GCC extension. */ | |
398 | #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ | |
399 | #define D_ASM 0x040 /* Disabled by -fno-asm. */ | |
400 | #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ | |
401 | #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ | |
402 | #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ | |
403 | ||
404 | /* The reserved keyword table. */ | |
405 | extern const struct c_common_resword c_common_reswords[]; | |
406 | ||
407 | /* The number of items in the reserved keyword table. */ | |
408 | extern const unsigned int num_c_common_reswords; | |
409 | ||
b6baa67d KVH |
410 | #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
411 | #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] | |
7f4edbcb | 412 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
207bf79d | 413 | #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] |
c5ab7f91 | 414 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
cd732418 JM |
415 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
416 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
b15ad712 JM |
417 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
418 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
7f4edbcb BS |
419 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
420 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
421 | ||
207bf79d JM |
422 | #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] |
423 | #define int8_type_node c_global_trees[CTI_INT8_TYPE] | |
424 | #define int16_type_node c_global_trees[CTI_INT16_TYPE] | |
425 | #define int32_type_node c_global_trees[CTI_INT32_TYPE] | |
426 | #define int64_type_node c_global_trees[CTI_INT64_TYPE] | |
427 | #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] | |
ac868f29 | 428 | #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
207bf79d JM |
429 | #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
430 | #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] | |
431 | #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] | |
432 | #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] | |
433 | #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] | |
434 | #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] | |
435 | #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] | |
436 | #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] | |
437 | #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] | |
438 | #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] | |
439 | #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] | |
440 | #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] | |
441 | #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] | |
442 | #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] | |
443 | #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] | |
444 | #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] | |
445 | #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] | |
446 | #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] | |
447 | #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] | |
448 | #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] | |
449 | ||
de7df9eb JM |
450 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
451 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
452 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
19552aa5 | 453 | |
7f4edbcb | 454 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
b6baa67d KVH |
455 | #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
456 | #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] | |
7f4edbcb | 457 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
7f4edbcb BS |
458 | #define string_type_node c_global_trees[CTI_STRING_TYPE] |
459 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
460 | ||
461 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
7f4edbcb | 462 | |
0ba8a114 NS |
463 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
464 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
465 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
466 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
63ad61ed | 467 | |
b2f97e4a MM |
468 | /* The node for C++ `__null'. */ |
469 | #define null_node c_global_trees[CTI_NULL] | |
470 | ||
e2500fed | 471 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 472 | |
e0a21ab9 KH |
473 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
474 | tree for size reasons. */ | |
766090c2 | 475 | struct GTY(()) sorted_fields_type { |
d07605f5 AP |
476 | int len; |
477 | tree GTY((length ("%h.len"))) elts[1]; | |
478 | }; | |
479 | ||
8f17b5c5 MM |
480 | /* Mark which labels are explicitly declared. |
481 | These may be shadowed, and may be referenced from nested functions. */ | |
482 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
483 | ||
ab76ca54 MM |
484 | typedef enum c_language_kind |
485 | { | |
d73326ca | 486 | clk_c = 0, /* C90, C94, C99 or C11 */ |
37fa72e9 NB |
487 | clk_objc = 1, /* clk_c with ObjC features. */ |
488 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
489 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
21c7361e | 490 | } |
ab76ca54 MM |
491 | c_language_kind; |
492 | ||
37fa72e9 NB |
493 | /* To test for a specific language use c_language, defined by each |
494 | front end. For "ObjC features" or "not C++" use the macros. */ | |
495 | extern c_language_kind c_language; | |
496 | ||
15a15e8d RH |
497 | #define c_dialect_cxx() ((c_language & clk_cxx) != 0) |
498 | #define c_dialect_objc() ((c_language & clk_objc) != 0) | |
37fa72e9 | 499 | |
dd865ef6 SZ |
500 | /* The various name of operator that appears in error messages. */ |
501 | typedef enum ref_operator { | |
502 | /* NULL */ | |
503 | RO_NULL, | |
504 | /* array indexing */ | |
505 | RO_ARRAY_INDEXING, | |
506 | /* unary * */ | |
507 | RO_UNARY_STAR, | |
508 | /* -> */ | |
509 | RO_ARROW, | |
510 | /* implicit conversion */ | |
5e54f81d MG |
511 | RO_IMPLICIT_CONVERSION, |
512 | /* ->* */ | |
513 | RO_ARROW_STAR | |
dd865ef6 SZ |
514 | } ref_operator; |
515 | ||
ae499cce MM |
516 | /* Information about a statement tree. */ |
517 | ||
d1b38208 | 518 | struct GTY(()) stmt_tree_s { |
38e01f9e | 519 | /* A stack of statement lists being collected. */ |
9771b263 | 520 | vec<tree, va_gc> *x_cur_stmt_list; |
325c3691 | 521 | |
da7d8304 | 522 | /* In C++, Nonzero if we should treat statements as full |
04f7a48e | 523 | expressions. In particular, this variable is non-zero if at the |
ae499cce MM |
524 | end of a statement we should destroy any temporaries created |
525 | during that statement. Similarly, if, at the end of a block, we | |
526 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 527 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
528 | C++. |
529 | ||
ae499cce | 530 | This flag has no effect in C. */ |
21c7361e | 531 | int stmts_are_full_exprs_p; |
ae499cce MM |
532 | }; |
533 | ||
534 | typedef struct stmt_tree_s *stmt_tree; | |
535 | ||
536 | /* Global state pertinent to the current function. Some C dialects | |
537 | extend this structure with additional fields. */ | |
538 | ||
d1b38208 | 539 | struct GTY(()) c_language_function { |
ae499cce MM |
540 | /* While we are parsing the function, this contains information |
541 | about the statement-tree that we are building. */ | |
542 | struct stmt_tree_s x_stmt_tree; | |
3797cb21 DS |
543 | |
544 | /* Vector of locally defined typedefs, for | |
545 | -Wunused-local-typedefs. */ | |
9771b263 | 546 | vec<tree, va_gc> *local_typedefs; |
ae499cce MM |
547 | }; |
548 | ||
38e01f9e NF |
549 | #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
550 | ||
35fd3193 | 551 | /* When building a statement-tree, this is the current statement list |
9771b263 DN |
552 | being collected. */ |
553 | #define cur_stmt_list (stmt_list_stack->last ()) | |
38e01f9e | 554 | |
9771b263 | 555 | #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
8f17b5c5 MM |
556 | |
557 | /* Language-specific hooks. */ | |
558 | ||
4684cd27 MM |
559 | /* If non-NULL, this function is called after a precompile header file |
560 | is loaded. */ | |
561 | extern void (*lang_post_pch_load) (void); | |
562 | ||
f75fbaf7 ZW |
563 | extern void push_file_scope (void); |
564 | extern void pop_file_scope (void); | |
35b1a6fa | 565 | extern stmt_tree current_stmt_tree (void); |
325c3691 | 566 | extern tree push_stmt_list (void); |
325c3691 | 567 | extern tree pop_stmt_list (tree); |
35b1a6fa | 568 | extern tree add_stmt (tree); |
325c3691 | 569 | extern void push_cleanup (tree, tree, bool); |
953ff289 DN |
570 | extern tree pushdecl_top_level (tree); |
571 | extern tree pushdecl (tree); | |
32e8bb8e | 572 | extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
c2255bc4 | 573 | location_t, tree, tree); |
36536d79 BI |
574 | extern tree build_array_notation_expr (location_t, tree, tree, enum tree_code, |
575 | location_t, tree, tree); | |
576 | extern tree build_array_notation_ref (location_t, tree, tree, tree, tree, tree); | |
dd865ef6 | 577 | extern tree build_indirect_ref (location_t, tree, ref_operator); |
35b1a6fa | 578 | |
d07605f5 | 579 | extern int field_decl_cmp (const void *, const void *); |
c22cacf3 MS |
580 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, |
581 | void *); | |
58f9752a | 582 | extern bool has_c_linkage (const_tree decl); |
17211ab5 | 583 | \f |
4078b403 NB |
584 | /* Switches common to the C front ends. */ |
585 | ||
63973df3 NB |
586 | /* Nonzero means don't output line number information. */ |
587 | ||
588 | extern char flag_no_line_commands; | |
589 | ||
590 | /* Nonzero causes -E output not to be done, but directives such as | |
591 | #define that have side effects are still obeyed. */ | |
592 | ||
593 | extern char flag_no_output; | |
594 | ||
93d45d9e JM |
595 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M', |
596 | 'N' or 'U' of the command line switch. */ | |
63973df3 NB |
597 | |
598 | extern char flag_dump_macros; | |
599 | ||
600 | /* Nonzero means pass #include lines through to the output. */ | |
601 | ||
602 | extern char flag_dump_includes; | |
603 | ||
c0d578e6 GK |
604 | /* Nonzero means process PCH files while preprocessing. */ |
605 | ||
606 | extern bool flag_pch_preprocess; | |
607 | ||
17211ab5 GK |
608 | /* The file name to which we should write a precompiled header, or |
609 | NULL if no header will be written in this compile. */ | |
610 | ||
611 | extern const char *pch_file; | |
612 | ||
3df89291 NB |
613 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
614 | user's namespace. */ | |
17211ab5 | 615 | |
3df89291 NB |
616 | extern int flag_iso; |
617 | ||
4078b403 | 618 | /* C/ObjC language option variables. */ |
b34c7881 | 619 | |
2683ed8d | 620 | |
4078b403 NB |
621 | /* Nonzero means allow type mismatches in conditional expressions; |
622 | just make their values `void'. */ | |
74ff4629 | 623 | |
4078b403 | 624 | extern int flag_cond_mismatch; |
6c36d76b | 625 | |
eaf299c6 | 626 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
627 | |
628 | extern int flag_isoc94; | |
629 | ||
48b0b196 | 630 | /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
ab76ca54 MM |
631 | |
632 | extern int flag_isoc99; | |
633 | ||
48b0b196 | 634 | /* Nonzero means use the ISO C11 dialect of C. */ |
2778d766 | 635 | |
48b0b196 | 636 | extern int flag_isoc11; |
2778d766 | 637 | |
6614fd40 | 638 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
639 | |
640 | extern int flag_hosted; | |
641 | ||
4078b403 NB |
642 | /* ObjC language option variables. */ |
643 | ||
644 | ||
4078b403 NB |
645 | /* Tells the compiler that this is a special run. Do not perform any |
646 | compiling, instead we are to test some platform dependent features | |
647 | and output a C header file with appropriate definitions. */ | |
648 | ||
649 | extern int print_struct_values; | |
650 | ||
abc88a08 | 651 | /* Tells the compiler what is the constant string class for ObjC. */ |
4078b403 | 652 | |
fd350d24 | 653 | extern const char *constant_string_class_name; |
4078b403 | 654 | |
4078b403 NB |
655 | |
656 | /* C++ language option variables. */ | |
657 | ||
658 | ||
62984918 JM |
659 | /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is |
660 | less than N and the other is at least N, for use by -Wabi. */ | |
661 | #define abi_version_crosses(N) \ | |
662 | (abi_version_at_least(N) \ | |
663 | != (flag_abi_compat_version == 0 \ | |
664 | || flag_abi_compat_version >= (N))) | |
665 | ||
4078b403 NB |
666 | /* Nonzero means generate separate instantiation control files and |
667 | juggle them at link time. */ | |
668 | ||
669 | extern int flag_use_repository; | |
670 | ||
c1ae8be5 SM |
671 | /* The supported C++ dialects. */ |
672 | ||
673 | enum cxx_dialect { | |
97e3ad20 | 674 | /* C++98 with TC1 */ |
c1ae8be5 | 675 | cxx98, |
97e3ad20 JM |
676 | cxx03 = cxx98, |
677 | /* C++11 */ | |
678 | cxx0x, | |
552b8185 | 679 | cxx11 = cxx0x, |
028aee17 JM |
680 | /* C++14 */ |
681 | cxx14, | |
da73100b JM |
682 | /* C++1z (C++17?) */ |
683 | cxx1z | |
c1ae8be5 | 684 | }; |
966541e3 | 685 | |
c1ae8be5 SM |
686 | /* The C++ dialect being used. C++98 is the default. */ |
687 | extern enum cxx_dialect cxx_dialect; | |
966541e3 | 688 | |
4078b403 NB |
689 | /* Maximum template instantiation depth. This limit is rather |
690 | arbitrary, but it exists to limit the time it takes to notice | |
17bc631c | 691 | excessively recursive template instantiations. */ |
4078b403 NB |
692 | |
693 | extern int max_tinst_depth; | |
ab76ca54 | 694 | |
7d882b83 ILT |
695 | /* Nonzero means that we should not issue warnings about problems that |
696 | occur when the code is executed, because the code being processed | |
697 | is not expected to be executed. This is set during parsing. This | |
698 | is used for cases like sizeof() and "0 ? a : b". This is a count, | |
699 | not a bool, because unexecuted expressions can nest. */ | |
25587e40 | 700 | |
7d882b83 | 701 | extern int c_inhibit_evaluation_warnings; |
25587e40 | 702 | |
148e4216 JM |
703 | /* Whether lexing has been completed, so subsequent preprocessor |
704 | errors should use the compiler's input_location. */ | |
705 | ||
706 | extern bool done_lexing; | |
707 | ||
ab76ca54 MM |
708 | /* C types are partitioned into three subsets: object, function, and |
709 | incomplete types. */ | |
710 | #define C_TYPE_OBJECT_P(type) \ | |
711 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
712 | ||
713 | #define C_TYPE_INCOMPLETE_P(type) \ | |
714 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
715 | ||
716 | #define C_TYPE_FUNCTION_P(type) \ | |
717 | (TREE_CODE (type) == FUNCTION_TYPE) | |
718 | ||
719 | /* For convenience we define a single macro to identify the class of | |
720 | object or incomplete types. */ | |
721 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
722 | (!C_TYPE_FUNCTION_P (type)) | |
723 | ||
c98cd5bf JM |
724 | struct visibility_flags |
725 | { | |
726 | unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ | |
727 | unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ | |
728 | }; | |
729 | ||
49b0aa18 JC |
730 | /* These enumerators are possible types of unsafe conversions. |
731 | SAFE_CONVERSION The conversion is safe | |
732 | UNSAFE_OTHER Another type of conversion with problems | |
733 | UNSAFE_SIGN Conversion between signed and unsigned integers | |
734 | which are all warned about immediately, so this is unused | |
735 | UNSAFE_REAL Conversions that reduce the precision of reals | |
736 | including conversions from reals to integers | |
737 | */ | |
738 | enum conversion_safety { SAFE_CONVERSION = 0, UNSAFE_OTHER, UNSAFE_SIGN, UNSAFE_REAL }; | |
739 | ||
c98cd5bf JM |
740 | /* Global visibility options. */ |
741 | extern struct visibility_flags visibility_options; | |
742 | ||
349ae713 NB |
743 | /* Attribute table common to the C front ends. */ |
744 | extern const struct attribute_spec c_common_attribute_table[]; | |
745 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
746 | ||
0ba8a114 | 747 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
748 | ID is the identifier to use, NAME is the string. |
749 | TYPE_DEP indicates whether it depends on type of the function or not | |
750 | (i.e. __PRETTY_FUNCTION__). */ | |
751 | ||
c2255bc4 | 752 | extern tree (*make_fname_decl) (location_t, tree, int); |
35b1a6fa | 753 | |
bffad7f1 | 754 | /* In c-decl.c and cp/tree.c. FIXME. */ |
3ef0694c | 755 | extern void c_register_addr_space (const char *str, addr_space_t as); |
bffad7f1 SB |
756 | |
757 | /* In c-common.c. */ | |
5386338c | 758 | extern bool in_late_binary_op; |
36c5e70a | 759 | extern const char *c_addr_space_name (addr_space_t as); |
35b1a6fa | 760 | extern tree identifier_global_value (tree); |
3a636414 | 761 | extern tree c_linkage_bindings (tree); |
35b1a6fa AJ |
762 | extern void record_builtin_type (enum rid, const char *, tree); |
763 | extern tree build_void_list_node (void); | |
764 | extern void start_fname_decls (void); | |
765 | extern void finish_fname_decls (void); | |
766 | extern const char *fname_as_string (int); | |
3ba09659 | 767 | extern tree fname_decl (location_t, unsigned, tree); |
35b1a6fa | 768 | |
d19fa6b5 | 769 | extern int check_user_alignment (const_tree, bool); |
dde05067 | 770 | extern void check_function_arguments (const_tree, int, tree *); |
35b1a6fa AJ |
771 | extern void check_function_arguments_recurse (void (*) |
772 | (void *, tree, | |
773 | unsigned HOST_WIDE_INT), | |
774 | void *, tree, | |
775 | unsigned HOST_WIDE_INT); | |
83322951 | 776 | extern bool check_builtin_function_arguments (tree, int, tree *); |
94a0dd7b | 777 | extern void check_function_format (tree, int, tree *); |
35b1a6fa AJ |
778 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
779 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
564a129d | 780 | extern bool attribute_takes_identifier_p (const_tree); |
a4d8c676 | 781 | extern bool c_common_handle_option (size_t, const char *, int, int, location_t, |
5f20c657 | 782 | const struct cl_option_handlers *); |
acce4e77 | 783 | extern bool default_handle_c_option (size_t, const char *, int); |
ef4bddc2 | 784 | extern tree c_common_type_for_mode (machine_mode, int); |
35b1a6fa | 785 | extern tree c_common_type_for_size (unsigned int, int); |
ab22c1fa CF |
786 | extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, |
787 | int, int); | |
12753674 | 788 | extern tree c_common_unsigned_type (tree); |
35b1a6fa AJ |
789 | extern tree c_common_signed_type (tree); |
790 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
81f653d6 | 791 | extern void c_common_init_ts (void); |
38a4afee | 792 | extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
68fca595 MP |
793 | extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, |
794 | bool); | |
58f9752a | 795 | extern bool decl_with_nonnull_addr_p (const_tree); |
928c19bb JM |
796 | extern tree c_fully_fold (tree, bool, bool *); |
797 | extern tree decl_constant_value_for_optimization (tree); | |
e5a94231 | 798 | extern tree c_wrap_maybe_const (tree, bool); |
928c19bb | 799 | extern tree c_save_expr (tree); |
ba47d38d | 800 | extern tree c_common_truthvalue_conversion (location_t, tree); |
35b1a6fa | 801 | extern void c_apply_type_quals_to_decl (int, tree); |
296674db | 802 | extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
c2255bc4 | 803 | extern tree c_alignof_expr (location_t, tree); |
7f4edbcb BS |
804 | /* Print an error message for invalid operands to arith operation CODE. |
805 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
ba47d38d | 806 | extern void binary_op_error (location_t, enum tree_code, tree, tree); |
35b1a6fa | 807 | extern tree fix_string_type (tree); |
35b1a6fa | 808 | extern void constant_expression_warning (tree); |
393eda6a | 809 | extern void constant_expression_error (tree); |
79bedddc | 810 | extern bool strict_aliasing_warning (tree, tree, tree); |
3a785c97 | 811 | extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
9771b263 | 812 | vec<tree, va_gc> *, tree *, |
1a4049e7 | 813 | bool (*) (tree, tree)); |
68fca595 MP |
814 | extern void warnings_for_convert_and_check (location_t, tree, tree, tree); |
815 | extern tree convert_and_check (location_t, tree, tree); | |
c2255bc4 | 816 | extern void overflow_warning (location_t, tree); |
fd4116f4 | 817 | extern bool warn_if_unused_value (const_tree, location_t); |
a243fb4a | 818 | extern void warn_logical_operator (location_t, enum tree_code, tree, |
ca409efd | 819 | enum tree_code, tree, enum tree_code, tree); |
59ea0364 | 820 | extern void warn_logical_not_parentheses (location_t, enum tree_code, tree); |
a1e45ff0 | 821 | extern void check_main_parameter_types (tree decl); |
b2ca3702 | 822 | extern bool c_determine_visibility (tree); |
0af94e6f | 823 | extern bool vector_types_compatible_elements_p (tree, tree); |
6ec637a4 JJ |
824 | extern void mark_valid_location_for_stdc_pragma (bool); |
825 | extern bool valid_location_for_stdc_pragma_p (void); | |
826 | extern void set_float_const_decimal64 (void); | |
827 | extern void clear_float_const_decimal64 (void); | |
828 | extern bool float_const_decimal64_p (void); | |
ab76ca54 | 829 | |
a9aa2c3a NF |
830 | extern bool keyword_begins_type_specifier (enum rid); |
831 | extern bool keyword_is_storage_class_specifier (enum rid); | |
832 | extern bool keyword_is_type_qualifier (enum rid); | |
ba9e6dd5 | 833 | extern bool keyword_is_decl_specifier (enum rid); |
e28d52cf | 834 | extern bool cxx_fundamental_alignment_p (unsigned); |
f04dda30 | 835 | extern bool pointer_to_zero_sized_aggr_p (tree); |
a9aa2c3a | 836 | |
296674db JM |
837 | #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
838 | #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) | |
7f4edbcb | 839 | |
6715192c MLI |
840 | /* Subroutine of build_binary_op, used for certain operations. */ |
841 | extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); | |
842 | ||
7f4edbcb BS |
843 | /* Subroutine of build_binary_op, used for comparison operations. |
844 | See if the operands have both been converted from subword integer types | |
845 | and, if so, perhaps change them both back to their original type. */ | |
393e8e8b MP |
846 | extern tree shorten_compare (location_t, tree *, tree *, tree *, |
847 | enum tree_code *); | |
7f4edbcb | 848 | |
fd9b0f32 PC |
849 | extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
850 | bool = true); | |
50e60bc3 ZW |
851 | |
852 | /* Add qualifiers to a type, in the fashion for C. */ | |
35b1a6fa | 853 | extern tree c_build_qualified_type (tree, int); |
50e60bc3 | 854 | |
7f4edbcb BS |
855 | /* Build tree nodes and builtin functions common to both C and C++ language |
856 | frontends. */ | |
35b1a6fa | 857 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 858 | |
35b1a6fa | 859 | extern void disable_builtin_function (const char *); |
7d14c755 | 860 | |
3b2db49f MM |
861 | extern void set_compound_literal_name (tree decl); |
862 | ||
c2255bc4 | 863 | extern tree build_va_arg (location_t, tree, tree); |
7e8176d7 | 864 | |
c5fa0890 | 865 | extern const unsigned int c_family_lang_mask; |
7a9bf9a4 | 866 | extern unsigned int c_common_option_lang_mask (void); |
d723bb7c | 867 | extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
7a9bf9a4 | 868 | extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
a75bfaa6 | 869 | extern void c_common_init_options_struct (struct gcc_options *); |
7a9bf9a4 | 870 | extern void c_common_init_options (unsigned int, struct cl_decoded_option *); |
35b1a6fa AJ |
871 | extern bool c_common_post_options (const char **); |
872 | extern bool c_common_init (void); | |
873 | extern void c_common_finish (void); | |
b37421c6 | 874 | extern void c_common_parse_file (void); |
f8a36c78 | 875 | extern FILE *get_dump_info (int, int *); |
4862826d | 876 | extern alias_set_type c_common_get_alias_set (tree); |
9649812a | 877 | extern void c_register_builtin_type (tree, const char*); |
58f9752a KG |
878 | extern bool c_promoting_integer_type_p (const_tree); |
879 | extern int self_promoting_args_p (const_tree); | |
12ea3302 | 880 | extern tree strip_pointer_operator (tree); |
ba992967 | 881 | extern tree strip_pointer_or_array_types (tree); |
c5ff069d | 882 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
d7e7759d | 883 | |
d1bd0ded GK |
884 | /* This is the basic parsing function. */ |
885 | extern void c_parse_file (void); | |
d1bd0ded | 886 | |
d166d4c3 | 887 | extern void warn_for_omitted_condop (location_t, tree); |
c5ff069d | 888 | |
ae499cce MM |
889 | /* These macros provide convenient access to the various _STMT nodes. */ |
890 | ||
325c3691 RH |
891 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
892 | if a statement expression. */ | |
893 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
894 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
174283a3 RH |
895 | |
896 | /* Nonzero if a label has been added to the statement list. */ | |
897 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
898 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
325c3691 | 899 | |
928c19bb JM |
900 | /* C_MAYBE_CONST_EXPR accessors. */ |
901 | #define C_MAYBE_CONST_EXPR_PRE(NODE) \ | |
902 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) | |
903 | #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ | |
904 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) | |
905 | #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ | |
906 | TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
907 | #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ | |
908 | TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
909 | #define EXPR_INT_CONST_OPERANDS(EXPR) \ | |
910 | (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ | |
911 | && (TREE_CODE (EXPR) == INTEGER_CST \ | |
912 | || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ | |
913 | && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) | |
914 | ||
0a7394bc MM |
915 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
916 | #define DECL_C_BIT_FIELD(NODE) \ | |
917 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
918 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
919 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
920 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
921 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
922 | ||
c2255bc4 AH |
923 | extern tree do_case (location_t, tree, tree); |
924 | extern tree build_stmt (location_t, enum tree_code, ...); | |
fb52b50a | 925 | extern tree build_real_imag_expr (location_t, enum tree_code, tree); |
f2c5f623 | 926 | |
ab76ca54 MM |
927 | /* These functions must be defined by each front-end which implements |
928 | a variant of the C language. They are used in c-common.c. */ | |
929 | ||
c9f9eb5d | 930 | extern tree build_unary_op (location_t, enum tree_code, tree, int); |
ba47d38d | 931 | extern tree build_binary_op (location_t, enum tree_code, tree, tree, int); |
522ddfa2 | 932 | extern tree perform_integral_promotions (tree); |
ab76ca54 | 933 | |
d593cb3d MS |
934 | /* These functions must be defined by each front-end which implements |
935 | a variant of the C language. They are used by port files. */ | |
936 | ||
937 | extern tree default_conversion (tree); | |
938 | ||
ab76ca54 MM |
939 | /* Given two integer or real types, return the type for their sum. |
940 | Given two compatible ANSI C types, returns the merged type. */ | |
941 | ||
35b1a6fa | 942 | extern tree common_type (tree, tree); |
44835fdd | 943 | |
35b1a6fa | 944 | extern tree decl_constant_value (tree); |
56cb9733 | 945 | |
19552aa5 | 946 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 947 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 948 | |
35b1a6fa | 949 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 950 | |
c2255bc4 | 951 | extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree); |
8f17b5c5 | 952 | |
fbc315db | 953 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); |
6de9cd9a | 954 | |
c2255bc4 | 955 | extern tree build_function_call (location_t, tree, tree); |
c70eaeaf | 956 | |
81e5eca8 MP |
957 | extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
958 | vec<tree, va_gc> *, vec<tree, va_gc> *); | |
bbbbb16a | 959 | |
9771b263 | 960 | extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
48ae6c13 | 961 | |
6a3799eb | 962 | extern tree finish_label_address_expr (tree, location_t); |
15b732b2 NB |
963 | |
964 | /* Same function prototype, but the C and C++ front ends have | |
965 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 966 | extern tree lookup_label (tree); |
10e6657a | 967 | extern tree lookup_name (tree); |
1e4ae551 | 968 | extern bool lvalue_p (const_tree); |
15b732b2 | 969 | |
f83c7f63 | 970 | extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
58f9752a | 971 | extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); |
bedc293e | 972 | extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
cc27e657 | 973 | |
35b1a6fa | 974 | extern void init_c_lex (void); |
81a75f0f | 975 | |
35b1a6fa | 976 | extern void c_cpp_builtins (cpp_reader *); |
ab442df7 | 977 | extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); |
59cc9210 SB |
978 | extern bool c_cpp_error (cpp_reader *, int, int, location_t, unsigned int, |
979 | const char *, va_list *) | |
980 | ATTRIBUTE_GCC_DIAG(6,0); | |
1f8d3e84 | 981 | extern int c_common_has_attribute (cpp_reader *); |
76c3e73e | 982 | |
7c475d11 JM |
983 | extern bool parse_optimize_options (tree, bool); |
984 | ||
731e8b38 MM |
985 | /* Positive if an implicit `extern "C"' scope has just been entered; |
986 | negative if such a scope has just been exited. */ | |
7876228d | 987 | extern GTY(()) int pending_lang_change; |
731e8b38 | 988 | |
0e5921e8 ZW |
989 | /* Information recorded about each file examined during compilation. */ |
990 | ||
991 | struct c_fileinfo | |
992 | { | |
993 | int time; /* Time spent in the file. */ | |
5d709b00 ZW |
994 | |
995 | /* Flags used only by C++. | |
996 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
997 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
998 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
999 | INTERFACE_ONLY is zero, it means that we are responsible for | |
1000 | exporting definitions that others might need. */ | |
1001 | short interface_only; | |
0e5921e8 ZW |
1002 | short interface_unknown; |
1003 | }; | |
1004 | ||
35b1a6fa AJ |
1005 | struct c_fileinfo *get_fileinfo (const char *); |
1006 | extern void dump_time_statistics (void); | |
1007 | ||
1008 | extern bool c_dump_tree (void *, tree); | |
1009 | ||
3a5b9284 RH |
1010 | extern void verify_sequence_points (tree); |
1011 | ||
cf9e9959 EB |
1012 | extern tree fold_offsetof_1 (tree); |
1013 | extern tree fold_offsetof (tree); | |
ee8a6a3e | 1014 | |
5ae9ba3e | 1015 | /* Places where an lvalue, or modifiable lvalue, may be required. |
37dc0d8d | 1016 | Used to select diagnostic messages in lvalue_error and |
5ae9ba3e MM |
1017 | readonly_error. */ |
1018 | enum lvalue_use { | |
1019 | lv_assign, | |
1020 | lv_increment, | |
1021 | lv_decrement, | |
1022 | lv_addressof, | |
1023 | lv_asm | |
1024 | }; | |
1025 | ||
c02065fc | 1026 | extern void readonly_error (location_t, tree, enum lvalue_use); |
7bd11157 | 1027 | extern void lvalue_error (location_t, enum lvalue_use); |
7a6daeb0 | 1028 | extern void invalid_indirection_error (location_t, tree, ref_operator); |
5ae9ba3e | 1029 | |
aab038d5 RH |
1030 | extern int complete_array_type (tree *, tree, bool); |
1031 | ||
48ae6c13 RH |
1032 | extern tree builtin_type_for_size (int, bool); |
1033 | ||
30cd1c5d AS |
1034 | extern void c_common_mark_addressable_vec (tree); |
1035 | ||
5bd012f8 | 1036 | extern void warn_array_subscript_with_type_char (location_t, tree); |
5d9de0d0 PC |
1037 | extern void warn_about_parentheses (location_t, |
1038 | enum tree_code, | |
100d537d MLI |
1039 | enum tree_code, tree, |
1040 | enum tree_code, tree); | |
c616e51b | 1041 | extern void warn_for_unused_label (tree label); |
c9f9eb5d | 1042 | extern void warn_for_div_by_zero (location_t, tree divisor); |
ba47d38d | 1043 | extern void warn_for_sign_compare (location_t, |
b8698a0f L |
1044 | tree orig_op0, tree orig_op1, |
1045 | tree op0, tree op1, | |
1046 | tree result_type, | |
2d12797c | 1047 | enum tree_code resultcode); |
c5ee1358 MM |
1048 | extern void do_warn_double_promotion (tree, tree, tree, const char *, |
1049 | location_t); | |
770e5a2e | 1050 | extern void set_underlying_type (tree); |
040d18b6 | 1051 | extern void record_types_used_by_current_var_decl (tree); |
3797cb21 DS |
1052 | extern void record_locally_defined_typedef (tree); |
1053 | extern void maybe_record_typedef_use (tree); | |
1054 | extern void maybe_warn_unused_local_typedefs (void); | |
04159acf | 1055 | extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); |
9771b263 DN |
1056 | extern vec<tree, va_gc> *make_tree_vector (void); |
1057 | extern void release_tree_vector (vec<tree, va_gc> *); | |
1058 | extern vec<tree, va_gc> *make_tree_vector_single (tree); | |
1059 | extern vec<tree, va_gc> *make_tree_vector_from_list (tree); | |
1060 | extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); | |
2a67bec2 | 1061 | |
793c625f MG |
1062 | /* Used for communication between c_common_type_for_mode and |
1063 | c_register_builtin_type. */ | |
1064 | extern GTY(()) tree registered_builtin_types; | |
1065 | ||
7c34ced1 | 1066 | /* In c-gimplify.c */ |
6de9cd9a | 1067 | extern void c_genericize (tree); |
726a989a | 1068 | extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); |
c2255bc4 | 1069 | extern tree c_build_bind_expr (location_t, tree, tree); |
6de9cd9a | 1070 | |
c0d578e6 | 1071 | /* In c-pch.c */ |
35b1a6fa | 1072 | extern void pch_init (void); |
1efcb8c6 | 1073 | extern void pch_cpp_save_state (void); |
35b1a6fa AJ |
1074 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); |
1075 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
1076 | const char *orig); | |
1077 | extern void c_common_write_pch (void); | |
18c81520 | 1078 | extern void c_common_no_more_pch (void); |
bc4071dd | 1079 | extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
3fd30b88 GK |
1080 | |
1081 | /* In *-checksum.c */ | |
1082 | extern const unsigned char executable_checksum[16]; | |
c0d578e6 | 1083 | |
ab442df7 MM |
1084 | /* In c-cppbuiltin.c */ |
1085 | extern void builtin_define_std (const char *macro); | |
35b1a6fa AJ |
1086 | extern void builtin_define_with_value (const char *, const char *, int); |
1087 | extern void c_stddef_cpp_builtins (void); | |
1088 | extern void fe_file_change (const struct line_map *); | |
cfc93532 | 1089 | extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char); |
9d10c9a9 NB |
1090 | |
1091 | /* In c-ppoutput.c */ | |
35b1a6fa AJ |
1092 | extern void init_pp_output (FILE *); |
1093 | extern void preprocess_file (cpp_reader *); | |
1094 | extern void pp_file_change (const struct line_map *); | |
8e9ea4d7 | 1095 | extern void pp_dir_change (cpp_reader *, const char *); |
104f8784 | 1096 | extern bool check_missing_format_attribute (tree, tree); |
17211ab5 | 1097 | |
953ff289 | 1098 | /* In c-omp.c */ |
acf0174b JJ |
1099 | #if HOST_BITS_PER_WIDE_INT >= 64 |
1100 | typedef unsigned HOST_WIDE_INT omp_clause_mask; | |
1101 | # define OMP_CLAUSE_MASK_1 ((omp_clause_mask) 1) | |
1102 | #else | |
1103 | struct omp_clause_mask | |
1104 | { | |
1105 | inline omp_clause_mask (); | |
1106 | inline omp_clause_mask (unsigned HOST_WIDE_INT l); | |
1107 | inline omp_clause_mask (unsigned HOST_WIDE_INT l, | |
1108 | unsigned HOST_WIDE_INT h); | |
1109 | inline omp_clause_mask &operator &= (omp_clause_mask); | |
1110 | inline omp_clause_mask &operator |= (omp_clause_mask); | |
1111 | inline omp_clause_mask operator ~ () const; | |
1112 | inline omp_clause_mask operator & (omp_clause_mask) const; | |
1113 | inline omp_clause_mask operator | (omp_clause_mask) const; | |
1114 | inline omp_clause_mask operator >> (int); | |
1115 | inline omp_clause_mask operator << (int); | |
1116 | inline bool operator == (omp_clause_mask) const; | |
acd15a28 | 1117 | inline bool operator != (omp_clause_mask) const; |
acf0174b JJ |
1118 | unsigned HOST_WIDE_INT low, high; |
1119 | }; | |
1120 | ||
1121 | inline | |
1122 | omp_clause_mask::omp_clause_mask () | |
1123 | { | |
1124 | } | |
1125 | ||
1126 | inline | |
1127 | omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l) | |
1128 | : low (l), high (0) | |
1129 | { | |
1130 | } | |
1131 | ||
1132 | inline | |
1133 | omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l, | |
1134 | unsigned HOST_WIDE_INT h) | |
1135 | : low (l), high (h) | |
1136 | { | |
1137 | } | |
1138 | ||
1139 | inline omp_clause_mask & | |
1140 | omp_clause_mask::operator &= (omp_clause_mask b) | |
1141 | { | |
1142 | low &= b.low; | |
1143 | high &= b.high; | |
1144 | return *this; | |
1145 | } | |
1146 | ||
1147 | inline omp_clause_mask & | |
1148 | omp_clause_mask::operator |= (omp_clause_mask b) | |
1149 | { | |
1150 | low |= b.low; | |
1151 | high |= b.high; | |
1152 | return *this; | |
1153 | } | |
1154 | ||
1155 | inline omp_clause_mask | |
1156 | omp_clause_mask::operator ~ () const | |
1157 | { | |
1158 | omp_clause_mask ret (~low, ~high); | |
1159 | return ret; | |
1160 | } | |
1161 | ||
1162 | inline omp_clause_mask | |
1163 | omp_clause_mask::operator | (omp_clause_mask b) const | |
1164 | { | |
1165 | omp_clause_mask ret (low | b.low, high | b.high); | |
1166 | return ret; | |
1167 | } | |
1168 | ||
1169 | inline omp_clause_mask | |
1170 | omp_clause_mask::operator & (omp_clause_mask b) const | |
1171 | { | |
1172 | omp_clause_mask ret (low & b.low, high & b.high); | |
1173 | return ret; | |
1174 | } | |
1175 | ||
1176 | inline omp_clause_mask | |
1177 | omp_clause_mask::operator << (int amount) | |
1178 | { | |
1179 | omp_clause_mask ret; | |
1180 | if (amount >= HOST_BITS_PER_WIDE_INT) | |
1181 | { | |
1182 | ret.low = 0; | |
1183 | ret.high = low << (amount - HOST_BITS_PER_WIDE_INT); | |
1184 | } | |
1185 | else if (amount == 0) | |
1186 | ret = *this; | |
1187 | else | |
1188 | { | |
1189 | ret.low = low << amount; | |
1190 | ret.high = (low >> (HOST_BITS_PER_WIDE_INT - amount)) | |
1191 | | (high << amount); | |
1192 | } | |
1193 | return ret; | |
1194 | } | |
1195 | ||
1196 | inline omp_clause_mask | |
1197 | omp_clause_mask::operator >> (int amount) | |
1198 | { | |
1199 | omp_clause_mask ret; | |
1200 | if (amount >= HOST_BITS_PER_WIDE_INT) | |
1201 | { | |
1202 | ret.low = high >> (amount - HOST_BITS_PER_WIDE_INT); | |
1203 | ret.high = 0; | |
1204 | } | |
1205 | else if (amount == 0) | |
1206 | ret = *this; | |
1207 | else | |
1208 | { | |
1209 | ret.low = (high << (HOST_BITS_PER_WIDE_INT - amount)) | |
1210 | | (low >> amount); | |
1211 | ret.high = high >> amount; | |
1212 | } | |
1213 | return ret; | |
1214 | } | |
1215 | ||
1216 | inline bool | |
1217 | omp_clause_mask::operator == (omp_clause_mask b) const | |
1218 | { | |
1219 | return low == b.low && high == b.high; | |
1220 | } | |
1221 | ||
acd15a28 JJ |
1222 | inline bool |
1223 | omp_clause_mask::operator != (omp_clause_mask b) const | |
1224 | { | |
1225 | return low != b.low || high != b.high; | |
1226 | } | |
1227 | ||
acf0174b JJ |
1228 | # define OMP_CLAUSE_MASK_1 omp_clause_mask (1) |
1229 | #endif | |
1230 | ||
1231 | enum c_omp_clause_split | |
1232 | { | |
1233 | C_OMP_CLAUSE_SPLIT_TARGET = 0, | |
1234 | C_OMP_CLAUSE_SPLIT_TEAMS, | |
1235 | C_OMP_CLAUSE_SPLIT_DISTRIBUTE, | |
1236 | C_OMP_CLAUSE_SPLIT_PARALLEL, | |
1237 | C_OMP_CLAUSE_SPLIT_FOR, | |
1238 | C_OMP_CLAUSE_SPLIT_SIMD, | |
1239 | C_OMP_CLAUSE_SPLIT_COUNT, | |
1240 | C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR | |
1241 | }; | |
1242 | ||
c2255bc4 | 1243 | extern tree c_finish_omp_master (location_t, tree); |
acf0174b | 1244 | extern tree c_finish_omp_taskgroup (location_t, tree); |
c2255bc4 AH |
1245 | extern tree c_finish_omp_critical (location_t, tree, tree); |
1246 | extern tree c_finish_omp_ordered (location_t, tree); | |
1247 | extern void c_finish_omp_barrier (location_t); | |
20906c66 | 1248 | extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, |
acf0174b | 1249 | tree, tree, tree, tree, tree, bool, bool); |
c2255bc4 AH |
1250 | extern void c_finish_omp_flush (location_t); |
1251 | extern void c_finish_omp_taskwait (location_t); | |
20906c66 | 1252 | extern void c_finish_omp_taskyield (location_t); |
acf0174b JJ |
1253 | extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, |
1254 | tree, tree, tree); | |
41dbbb37 | 1255 | extern tree c_finish_oacc_wait (location_t, tree, tree); |
acf0174b JJ |
1256 | extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, |
1257 | tree, tree *); | |
1258 | extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); | |
1259 | extern void c_omp_declare_simd_clauses_to_decls (tree, tree); | |
953ff289 DN |
1260 | extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
1261 | ||
56300785 JJ |
1262 | /* Return next tree in the chain for chain_next walking of tree nodes. */ |
1263 | static inline tree | |
1264 | c_tree_chain_next (tree t) | |
1265 | { | |
1266 | /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different | |
1267 | kind of object, never a long chain of nodes. Prefer | |
1268 | TYPE_NEXT_VARIANT for types. */ | |
1269 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) | |
1270 | return TYPE_NEXT_VARIANT (t); | |
1271 | /* Otherwise, if there is TREE_CHAIN, return it. */ | |
1272 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) | |
1273 | return TREE_CHAIN (t); | |
1274 | return NULL; | |
1275 | } | |
1276 | ||
0a35513e AH |
1277 | /* Mask used by tm_stmt_attr. */ |
1278 | #define TM_STMT_ATTR_OUTER 2 | |
1279 | #define TM_STMT_ATTR_ATOMIC 4 | |
1280 | #define TM_STMT_ATTR_RELAXED 8 | |
1281 | ||
1282 | extern int parse_tm_stmt_attr (tree, int); | |
1283 | ||
1284 | /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these | |
1285 | are ordered specifically such that more restrictive attributes are | |
1286 | at lower bit positions. This fact is known by the C++ tm attribute | |
1287 | inheritance code such that least bit extraction (mask & -mask) results | |
1288 | in the most restrictive attribute. */ | |
1289 | #define TM_ATTR_SAFE 1 | |
1290 | #define TM_ATTR_CALLABLE 2 | |
1291 | #define TM_ATTR_PURE 4 | |
1292 | #define TM_ATTR_IRREVOCABLE 8 | |
1293 | #define TM_ATTR_MAY_CANCEL_OUTER 16 | |
1294 | ||
1295 | extern int tm_attr_to_mask (tree); | |
1296 | extern tree tm_mask_to_attr (int); | |
1297 | extern tree find_tm_attribute (tree); | |
1298 | ||
3ce4f9e4 ESR |
1299 | /* A suffix-identifier value doublet that represents user-defined literals |
1300 | for C++-0x. */ | |
2d7aa578 ESR |
1301 | enum overflow_type { |
1302 | OT_UNDERFLOW = -1, | |
1303 | OT_NONE, | |
1304 | OT_OVERFLOW | |
1305 | }; | |
1306 | ||
3ce4f9e4 ESR |
1307 | struct GTY(()) tree_userdef_literal { |
1308 | struct tree_base base; | |
1309 | tree suffix_id; | |
1310 | tree value; | |
1311 | tree num_string; | |
2d7aa578 | 1312 | enum overflow_type overflow; |
3ce4f9e4 ESR |
1313 | }; |
1314 | ||
1315 | #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ | |
1316 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) | |
1317 | ||
1318 | #define USERDEF_LITERAL_VALUE(NODE) \ | |
1319 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) | |
1320 | ||
2d7aa578 ESR |
1321 | #define USERDEF_LITERAL_OVERFLOW(NODE) \ |
1322 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) | |
1323 | ||
3ce4f9e4 ESR |
1324 | #define USERDEF_LITERAL_NUM_STRING(NODE) \ |
1325 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) | |
1326 | ||
1327 | #define USERDEF_LITERAL_TYPE(NODE) \ | |
1328 | (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) | |
1329 | ||
2d7aa578 ESR |
1330 | extern tree build_userdef_literal (tree suffix_id, tree value, |
1331 | enum overflow_type overflow, | |
1332 | tree num_string); | |
3ce4f9e4 | 1333 | |
aa7da51a | 1334 | extern bool convert_vector_to_pointer_for_subscript (location_t, tree *, tree); |
7edaa4d2 | 1335 | |
a212e43f MG |
1336 | /* Possibe cases of scalar_to_vector conversion. */ |
1337 | enum stv_conv { | |
688010ba | 1338 | stv_error, /* Error occurred. */ |
a212e43f MG |
1339 | stv_nothing, /* Nothing happened. */ |
1340 | stv_firstarg, /* First argument must be expanded. */ | |
1341 | stv_secondarg /* Second argument must be expanded. */ | |
1342 | }; | |
1343 | ||
1344 | extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, | |
1345 | tree op0, tree op1, bool); | |
1346 | ||
c02065fc AH |
1347 | /* In c-cilkplus.c */ |
1348 | extern tree c_finish_cilk_clauses (tree); | |
1349 | extern tree c_validate_cilk_plus_loop (tree *, int *, void *); | |
1350 | extern bool c_check_cilk_loop (location_t, tree); | |
1351 | ||
36536d79 BI |
1352 | /* These #defines allow users to access different operands of the |
1353 | array notation tree. */ | |
1354 | ||
1355 | #define ARRAY_NOTATION_CHECK(NODE) TREE_CHECK (NODE, ARRAY_NOTATION_REF) | |
1356 | #define ARRAY_NOTATION_ARRAY(NODE) \ | |
1357 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 0) | |
1358 | #define ARRAY_NOTATION_START(NODE) \ | |
1359 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 1) | |
1360 | #define ARRAY_NOTATION_LENGTH(NODE) \ | |
1361 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 2) | |
1362 | #define ARRAY_NOTATION_STRIDE(NODE) \ | |
1363 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 3) | |
1364 | ||
d60f1706 BI |
1365 | /* This structure holds all the scalar values and its appropriate variable |
1366 | replacment. It is mainly used by the function that pulls all the invariant | |
1367 | parts that should be executed only once, which comes with array notation | |
1368 | expressions. */ | |
1369 | struct inv_list | |
1370 | { | |
1371 | vec<tree, va_gc> *list_values; | |
1372 | vec<tree, va_gc> *replacement; | |
07a6825b | 1373 | vec<enum tree_code, va_gc> *additional_tcodes; |
d60f1706 BI |
1374 | }; |
1375 | ||
2ce86d2e BI |
1376 | /* This structure holds all the important components that can be extracted |
1377 | from an ARRAY_NOTATION_REF expression. It is used to pass array notation | |
1378 | information between the functions that are responsible for expansion. */ | |
1379 | typedef struct cilkplus_an_parts | |
1380 | { | |
1381 | tree value; | |
1382 | tree start; | |
1383 | tree length; | |
1384 | tree stride; | |
1385 | bool is_vector; | |
1386 | } an_parts; | |
1387 | ||
1388 | /* This structure holds the components necessary to create the loop around | |
1389 | the ARRAY_REF that is created using the ARRAY_NOTATION information. */ | |
1390 | ||
1391 | typedef struct cilkplus_an_loop_parts | |
1392 | { | |
1393 | tree var; /* Loop induction variable. */ | |
1394 | tree incr; /* Loop increment/decrement expression. */ | |
1395 | tree cmp; /* Loop condition. */ | |
1396 | tree ind_init; /* Initialization of the loop induction variable. */ | |
1397 | } an_loop_parts; | |
1398 | ||
d60f1706 BI |
1399 | /* In array-notation-common.c. */ |
1400 | extern HOST_WIDE_INT extract_sec_implicit_index_arg (location_t, tree); | |
36536d79 BI |
1401 | extern bool is_sec_implicit_index_fn (tree); |
1402 | extern void array_notation_init_builtins (void); | |
1403 | extern struct c_expr fix_array_notation_expr (location_t, enum tree_code, | |
1404 | struct c_expr); | |
1405 | extern bool contains_array_notation_expr (tree); | |
1406 | extern tree expand_array_notation_exprs (tree); | |
1407 | extern tree fix_conditional_array_notations (tree); | |
1408 | extern tree find_correct_array_notation_type (tree); | |
713b46fa | 1409 | extern bool length_mismatch_in_expr_p (location_t, vec<vec<an_parts> >); |
d60f1706 BI |
1410 | extern enum built_in_function is_cilkplus_reduce_builtin (tree); |
1411 | extern bool find_rank (location_t, tree, tree, bool, size_t *); | |
1412 | extern void extract_array_notation_exprs (tree, bool, vec<tree, va_gc> **); | |
1413 | extern void replace_array_notations (tree *, bool, vec<tree, va_gc> *, | |
1414 | vec<tree, va_gc> *); | |
1415 | extern tree find_inv_trees (tree *, int *, void *); | |
1416 | extern tree replace_inv_trees (tree *, int *, void *); | |
1417 | extern tree find_correct_array_notation_type (tree op); | |
2ce86d2e BI |
1418 | extern void cilkplus_extract_an_triplets (vec<tree, va_gc> *, size_t, size_t, |
1419 | vec<vec<an_parts> > *); | |
1420 | extern vec <tree, va_gc> *fix_sec_implicit_args | |
1421 | (location_t, vec <tree, va_gc> *, vec<an_loop_parts>, size_t, tree); | |
939b37da BI |
1422 | |
1423 | /* In cilk.c. */ | |
1424 | extern tree insert_cilk_frame (tree); | |
1425 | extern void cilk_init_builtins (void); | |
12893402 BI |
1426 | extern int gimplify_cilk_spawn (tree *); |
1427 | extern void cilk_install_body_with_frame_cleanup (tree, tree, void *); | |
939b37da BI |
1428 | extern bool cilk_detect_spawn_and_unwrap (tree *); |
1429 | extern bool cilk_set_spawn_marker (location_t, tree); | |
1430 | extern tree build_cilk_sync (void); | |
1431 | extern tree build_cilk_spawn (location_t, tree); | |
1432 | extern tree make_cilk_frame (tree); | |
1433 | extern tree create_cilk_function_exit (tree, bool, bool); | |
1434 | extern tree cilk_install_body_pedigree_operations (tree); | |
12893402 | 1435 | extern void cilk_outline (tree, tree *, void *); |
3af9c5e9 | 1436 | extern bool contains_cilk_spawn_stmt (tree); |
9a771876 | 1437 | extern tree cilk_for_number_of_iterations (tree); |
e5e44252 AK |
1438 | extern bool check_no_cilk (tree, const char *, const char *, |
1439 | location_t loc = UNKNOWN_LOCATION); | |
88657302 | 1440 | #endif /* ! GCC_C_COMMON_H */ |