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7f4edbcb | 1 | /* Definitions for c-common.c. |
23a5b65a | 2 | Copyright (C) 1987-2014 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" |
532aafad | 26 | #include "tree.h" |
8f17b5c5 | 27 | |
59cc9210 SB |
28 | /* In order for the format checking to accept the C frontend |
29 | diagnostic framework extensions, you must include this file before | |
718f9c0f | 30 | diagnostic-core.h, not after. The C front end formats are a subset of those |
59cc9210 SB |
31 | for C++, so they are the appropriate set to use in common code; |
32 | cp-tree.h overrides this for C++. */ | |
718f9c0f MLI |
33 | #if defined(GCC_DIAGNOSTIC_CORE_H) |
34 | #error \ | |
35 | In order for the format checking to accept the C front end diagnostic \ | |
36 | framework extensions, you must include this file before diagnostic-core.h \ | |
37 | never after. | |
38 | #endif | |
59cc9210 SB |
39 | #ifndef GCC_DIAG_STYLE |
40 | #define GCC_DIAG_STYLE __gcc_cdiag__ | |
41 | #endif | |
42 | #include "diagnostic-core.h" | |
43 | ||
f2c5f623 | 44 | /* Usage of TREE_LANG_FLAG_?: |
3af07c22 | 45 | 0: IDENTIFIER_MARKED (used by search routines). |
928c19bb | 46 | C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
f2c5f623 | 47 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
325c3691 | 48 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
928c19bb | 49 | C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) |
6de9cd9a | 50 | 2: unused |
174283a3 | 51 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
325c3691 | 52 | 4: unused |
f2c5f623 BC |
53 | */ |
54 | ||
0e5921e8 | 55 | /* Reserved identifiers. This is the union of all the keywords for C, |
40f03658 | 56 | C++, and Objective-C. All the type modifiers have to be in one |
0e5921e8 | 57 | block at the beginning, because they are used as mask bits. There |
bbceee64 | 58 | are 28 type modifiers; if we add many more we will have to redesign |
0e5921e8 | 59 | the mask mechanism. */ |
f09f1de5 MM |
60 | |
61 | enum rid | |
62 | { | |
0e5921e8 | 63 | /* Modifiers: */ |
2ba84f36 | 64 | /* C, in empirical order of frequency. */ |
0e5921e8 ZW |
65 | RID_STATIC = 0, |
66 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, | |
67 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, | |
68 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, | |
267bac10 | 69 | RID_NORETURN, RID_ATOMIC, |
0e5921e8 ZW |
70 | |
71 | /* C extensions */ | |
ab22c1fa | 72 | RID_COMPLEX, RID_THREAD, RID_SAT, |
0e5921e8 ZW |
73 | |
74 | /* C++ */ | |
75 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
76 | ||
1973201f NP |
77 | /* ObjC ("PQ" reserved words - they do not appear after a '@' and |
78 | are keywords only in specific contexts) */ | |
b8363a24 | 79 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
0e5921e8 | 80 | |
668ea4b1 IS |
81 | /* ObjC ("PATTR" reserved words - they do not appear after a '@' |
82 | and are keywords only as property attributes) */ | |
200290f2 NP |
83 | RID_GETTER, RID_SETTER, |
84 | RID_READONLY, RID_READWRITE, | |
85 | RID_ASSIGN, RID_RETAIN, RID_COPY, | |
200290f2 | 86 | RID_NONATOMIC, |
668ea4b1 | 87 | |
fa5da7de JM |
88 | /* C (reserved and imaginary types not implemented, so any use is a |
89 | syntax error) */ | |
90 | RID_IMAGINARY, | |
91 | ||
0e5921e8 ZW |
92 | /* C */ |
93 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, | |
94 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, | |
95 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, | |
96 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, | |
97 | RID_SIZEOF, | |
98 | ||
99 | /* C extensions */ | |
100 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | |
da5b307a | 101 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
f90e8e2e | 102 | RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
9a8ce21f | 103 | RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
74893f25 | 104 | RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, |
0e5921e8 | 105 | |
48b0b196 | 106 | /* C11 */ |
433cc7b0 | 107 | RID_ALIGNAS, RID_GENERIC, |
d19fa6b5 | 108 | |
eea1139b ILT |
109 | /* This means to warn that this is a C++ keyword, and then treat it |
110 | as a normal identifier. */ | |
111 | RID_CXX_COMPAT_WARN, | |
112 | ||
0a35513e AH |
113 | /* GNU transactional memory extension */ |
114 | RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, | |
115 | ||
0ba8a114 NS |
116 | /* Too many ways of getting the name of a function as a string */ |
117 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
118 | ||
1973201f NP |
119 | /* C++ (some of these are keywords in Objective-C as well, but only |
120 | if they appear after a '@') */ | |
0e5921e8 ZW |
121 | RID_BOOL, RID_WCHAR, RID_CLASS, |
122 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
123 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
124 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
c22cacf3 MS |
125 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
126 | RID_THIS, RID_THROW, RID_TRUE, | |
127 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
b6baa67d | 128 | RID_USING, RID_CHAR16, RID_CHAR32, |
0e5921e8 ZW |
129 | |
130 | /* casts */ | |
131 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
132 | ||
cb68ec50 | 133 | /* C++ extensions */ |
b3908fcc | 134 | RID_BASES, RID_DIRECT_BASES, |
cb68ec50 PC |
135 | RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
136 | RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, | |
137 | RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, | |
138 | RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR, | |
139 | RID_IS_ABSTRACT, RID_IS_BASE_OF, | |
8d0cf15e | 140 | RID_IS_CLASS, |
cb68ec50 | 141 | RID_IS_EMPTY, RID_IS_ENUM, |
b3908fcc JW |
142 | RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
143 | RID_IS_POD, RID_IS_POLYMORPHIC, | |
144 | RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, | |
dd5d5481 | 145 | RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
b752325e | 146 | RID_IS_TRIVIALLY_COPYABLE, |
b3908fcc | 147 | RID_IS_UNION, RID_UNDERLYING_TYPE, |
cb68ec50 | 148 | |
b3908fcc | 149 | /* C++11 */ |
0a766368 | 150 | RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
218f0015 | 151 | |
939b37da | 152 | /* Cilk Plus keywords. */ |
9a771876 | 153 | RID_CILK_SPAWN, RID_CILK_SYNC, RID_CILK_FOR, |
939b37da | 154 | |
1973201f NP |
155 | /* Objective-C ("AT" reserved words - they are only keywords when |
156 | they follow '@') */ | |
3a3589b4 | 157 | RID_AT_ENCODE, RID_AT_END, |
0e5921e8 | 158 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
c37d8c30 | 159 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, |
c22cacf3 | 160 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
264fa2db | 161 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
92902b1b | 162 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, |
668ea4b1 | 163 | RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, |
da57d1b9 | 164 | RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, |
264fa2db | 165 | RID_AT_INTERFACE, |
0e5921e8 ZW |
166 | RID_AT_IMPLEMENTATION, |
167 | ||
36c5e70a BE |
168 | /* Named address support, mapping the keyword to a particular named address |
169 | number. Named address space 0 is reserved for the generic address. If | |
170 | there are more than 254 named addresses, the addr_space_t type will need | |
171 | to be grown from an unsigned char to unsigned short. */ | |
172 | RID_ADDR_SPACE_0, /* generic address */ | |
173 | RID_ADDR_SPACE_1, | |
174 | RID_ADDR_SPACE_2, | |
175 | RID_ADDR_SPACE_3, | |
176 | RID_ADDR_SPACE_4, | |
177 | RID_ADDR_SPACE_5, | |
178 | RID_ADDR_SPACE_6, | |
179 | RID_ADDR_SPACE_7, | |
180 | RID_ADDR_SPACE_8, | |
181 | RID_ADDR_SPACE_9, | |
182 | RID_ADDR_SPACE_10, | |
183 | RID_ADDR_SPACE_11, | |
184 | RID_ADDR_SPACE_12, | |
185 | RID_ADDR_SPACE_13, | |
186 | RID_ADDR_SPACE_14, | |
187 | RID_ADDR_SPACE_15, | |
188 | ||
189 | RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, | |
190 | RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, | |
191 | ||
78a7c317 DD |
192 | /* __intN keywords. The _N_M here doesn't correspond to the intN |
193 | in the keyword; use the bitsize in int_n_t_data_t[M] for that. | |
194 | For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 | |
195 | is for __int13. */ | |
196 | ||
197 | /* Note that the range to use is RID_FIRST_INT_N through | |
198 | RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of | |
199 | all RID_INT_N_* in a case statement. */ | |
200 | ||
201 | RID_INT_N_0, | |
202 | RID_INT_N_1, | |
203 | RID_INT_N_2, | |
204 | RID_INT_N_3, | |
205 | ||
206 | RID_FIRST_INT_N = RID_INT_N_0, | |
207 | RID_LAST_INT_N = RID_INT_N_3, | |
208 | ||
0e5921e8 ZW |
209 | RID_MAX, |
210 | ||
211 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
212 | RID_LAST_MODIFIER = RID_ONEWAY, |
213 | ||
14c2101d JM |
214 | RID_FIRST_CXX0X = RID_CONSTEXPR, |
215 | RID_LAST_CXX0X = RID_STATIC_ASSERT, | |
b8363a24 ZW |
216 | RID_FIRST_AT = RID_AT_ENCODE, |
217 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
218 | RID_FIRST_PQ = RID_IN, | |
668ea4b1 | 219 | RID_LAST_PQ = RID_ONEWAY, |
200290f2 NP |
220 | RID_FIRST_PATTR = RID_GETTER, |
221 | RID_LAST_PATTR = RID_NONATOMIC | |
f09f1de5 MM |
222 | }; |
223 | ||
b8363a24 | 224 | #define OBJC_IS_AT_KEYWORD(rid) \ |
3f75a254 JM |
225 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
226 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
b8363a24 ZW |
227 | |
228 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
3f75a254 JM |
229 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
230 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
b8363a24 | 231 | |
668ea4b1 IS |
232 | #define OBJC_IS_PATTR_KEYWORD(rid) \ |
233 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ | |
234 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) | |
235 | ||
1973201f NP |
236 | /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as |
237 | 'class') which are shared in a subtle way between Objective-C and | |
238 | C++. When the lexer is lexing in Objective-C/Objective-C++, if it | |
239 | finds '@' followed by one of these identifiers (eg, '@class'), it | |
240 | recognizes the whole as an Objective-C keyword. If the identifier | |
241 | is found elsewhere, it follows the rules of the C/C++ language. | |
242 | */ | |
243 | #define OBJC_IS_CXX_KEYWORD(rid) \ | |
244 | (rid == RID_CLASS \ | |
245 | || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ | |
246 | || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) | |
247 | ||
f09f1de5 MM |
248 | /* The elements of `ridpointers' are identifier nodes for the reserved |
249 | type names and storage classes. It is indexed by a RID_... value. */ | |
3f75a254 | 250 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
f09f1de5 | 251 | |
7f4edbcb BS |
252 | /* Standard named or nameless data types of the C compiler. */ |
253 | ||
254 | enum c_tree_index | |
255 | { | |
b6baa67d KVH |
256 | CTI_CHAR16_TYPE, |
257 | CTI_CHAR32_TYPE, | |
7f4edbcb | 258 | CTI_WCHAR_TYPE, |
207bf79d | 259 | CTI_UNDERLYING_WCHAR_TYPE, |
c5ab7f91 | 260 | CTI_WINT_TYPE, |
cd732418 JM |
261 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
262 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
263 | CTI_INTMAX_TYPE, |
264 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
265 | CTI_WIDEST_INT_LIT_TYPE, |
266 | CTI_WIDEST_UINT_LIT_TYPE, | |
267 | ||
207bf79d JM |
268 | /* Types for <stdint.h>, that may not be defined on all |
269 | targets. */ | |
270 | CTI_SIG_ATOMIC_TYPE, | |
271 | CTI_INT8_TYPE, | |
272 | CTI_INT16_TYPE, | |
273 | CTI_INT32_TYPE, | |
274 | CTI_INT64_TYPE, | |
275 | CTI_UINT8_TYPE, | |
276 | CTI_UINT16_TYPE, | |
277 | CTI_UINT32_TYPE, | |
278 | CTI_UINT64_TYPE, | |
279 | CTI_INT_LEAST8_TYPE, | |
280 | CTI_INT_LEAST16_TYPE, | |
281 | CTI_INT_LEAST32_TYPE, | |
282 | CTI_INT_LEAST64_TYPE, | |
283 | CTI_UINT_LEAST8_TYPE, | |
284 | CTI_UINT_LEAST16_TYPE, | |
285 | CTI_UINT_LEAST32_TYPE, | |
286 | CTI_UINT_LEAST64_TYPE, | |
287 | CTI_INT_FAST8_TYPE, | |
288 | CTI_INT_FAST16_TYPE, | |
289 | CTI_INT_FAST32_TYPE, | |
290 | CTI_INT_FAST64_TYPE, | |
291 | CTI_UINT_FAST8_TYPE, | |
292 | CTI_UINT_FAST16_TYPE, | |
293 | CTI_UINT_FAST32_TYPE, | |
294 | CTI_UINT_FAST64_TYPE, | |
295 | CTI_INTPTR_TYPE, | |
296 | CTI_UINTPTR_TYPE, | |
297 | ||
7f4edbcb | 298 | CTI_CHAR_ARRAY_TYPE, |
b6baa67d KVH |
299 | CTI_CHAR16_ARRAY_TYPE, |
300 | CTI_CHAR32_ARRAY_TYPE, | |
7f4edbcb | 301 | CTI_WCHAR_ARRAY_TYPE, |
7f4edbcb BS |
302 | CTI_STRING_TYPE, |
303 | CTI_CONST_STRING_TYPE, | |
304 | ||
19552aa5 | 305 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
306 | CTI_TRUTHVALUE_TYPE, |
307 | CTI_TRUTHVALUE_TRUE, | |
308 | CTI_TRUTHVALUE_FALSE, | |
309 | ||
7f4edbcb | 310 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 311 | |
2ba84f36 | 312 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
313 | CTI_FUNCTION_NAME_DECL, |
314 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
315 | CTI_C99_FUNCTION_NAME_DECL, | |
316 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
c22cacf3 | 317 | |
b2f97e4a MM |
318 | CTI_NULL, |
319 | ||
7f4edbcb BS |
320 | CTI_MAX |
321 | }; | |
322 | ||
5950c3c9 BE |
323 | #define C_CPP_HASHNODE(id) \ |
324 | (&(((struct c_common_identifier *) (id))->node)) | |
d75d71e0 ILT |
325 | #define C_RID_CODE(id) \ |
326 | ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) | |
327 | #define C_SET_RID_CODE(id, code) \ | |
328 | (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) | |
2a967f3d NB |
329 | |
330 | /* Identifier part common to the C front ends. Inherits from | |
331 | tree_identifier, despite appearances. */ | |
d1b38208 | 332 | struct GTY(()) c_common_identifier { |
4f60111f | 333 | struct tree_common common; |
17211ab5 | 334 | struct cpp_hashnode node; |
2a967f3d NB |
335 | }; |
336 | ||
eea1139b ILT |
337 | /* An entry in the reserved keyword table. */ |
338 | ||
339 | struct c_common_resword | |
340 | { | |
341 | const char *const word; | |
342 | ENUM_BITFIELD(rid) const rid : 16; | |
343 | const unsigned int disable : 16; | |
344 | }; | |
345 | ||
34429675 JM |
346 | /* Extra cpp_ttype values for C++. */ |
347 | ||
34429675 JM |
348 | /* A token type for template-ids. If a template-id is processed while |
349 | parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; | |
350 | the value of the CPP_TEMPLATE_ID is whatever was returned by | |
351 | cp_parser_template_id. */ | |
352 | #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) | |
353 | ||
354 | /* A token type for nested-name-specifiers. If a | |
355 | nested-name-specifier is processed while parsing tentatively, it is | |
356 | replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the | |
357 | CPP_NESTED_NAME_SPECIFIER is whatever was returned by | |
358 | cp_parser_nested_name_specifier_opt. */ | |
359 | #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) | |
360 | ||
361 | /* A token type for pre-parsed C++0x decltype. */ | |
362 | #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) | |
363 | ||
5f83e90b JM |
364 | /* A token type for pre-parsed primary-expression (lambda- or statement-). */ |
365 | #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) | |
366 | ||
34429675 | 367 | /* The number of token types, including C++-specific ones. */ |
5f83e90b | 368 | #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) |
34429675 | 369 | |
eea1139b ILT |
370 | /* Disable mask. Keywords are disabled if (reswords[i].disable & |
371 | mask) is _true_. Thus for keywords which are present in all | |
372 | languages the disable field is zero. */ | |
373 | ||
374 | #define D_CONLY 0x001 /* C only (not in C++). */ | |
375 | #define D_CXXONLY 0x002 /* C++ only (not in C). */ | |
376 | #define D_C99 0x004 /* In C, C99 only. */ | |
377 | #define D_CXX0X 0x008 /* In C++, C++0X only. */ | |
378 | #define D_EXT 0x010 /* GCC extension. */ | |
379 | #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ | |
380 | #define D_ASM 0x040 /* Disabled by -fno-asm. */ | |
381 | #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ | |
382 | #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ | |
383 | #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ | |
384 | ||
385 | /* The reserved keyword table. */ | |
386 | extern const struct c_common_resword c_common_reswords[]; | |
387 | ||
388 | /* The number of items in the reserved keyword table. */ | |
389 | extern const unsigned int num_c_common_reswords; | |
390 | ||
b6baa67d KVH |
391 | #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
392 | #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] | |
7f4edbcb | 393 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
207bf79d | 394 | #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] |
c5ab7f91 | 395 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
cd732418 JM |
396 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
397 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
b15ad712 JM |
398 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
399 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
7f4edbcb BS |
400 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
401 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
402 | ||
207bf79d JM |
403 | #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] |
404 | #define int8_type_node c_global_trees[CTI_INT8_TYPE] | |
405 | #define int16_type_node c_global_trees[CTI_INT16_TYPE] | |
406 | #define int32_type_node c_global_trees[CTI_INT32_TYPE] | |
407 | #define int64_type_node c_global_trees[CTI_INT64_TYPE] | |
408 | #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] | |
ac868f29 | 409 | #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
207bf79d JM |
410 | #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
411 | #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] | |
412 | #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] | |
413 | #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] | |
414 | #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] | |
415 | #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] | |
416 | #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] | |
417 | #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] | |
418 | #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] | |
419 | #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] | |
420 | #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] | |
421 | #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] | |
422 | #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] | |
423 | #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] | |
424 | #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] | |
425 | #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] | |
426 | #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] | |
427 | #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] | |
428 | #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] | |
429 | #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] | |
430 | ||
de7df9eb JM |
431 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
432 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
433 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
19552aa5 | 434 | |
7f4edbcb | 435 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
b6baa67d KVH |
436 | #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
437 | #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] | |
7f4edbcb | 438 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
7f4edbcb BS |
439 | #define string_type_node c_global_trees[CTI_STRING_TYPE] |
440 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
441 | ||
442 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
7f4edbcb | 443 | |
0ba8a114 NS |
444 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
445 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
446 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
447 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
63ad61ed | 448 | |
b2f97e4a MM |
449 | /* The node for C++ `__null'. */ |
450 | #define null_node c_global_trees[CTI_NULL] | |
451 | ||
e2500fed | 452 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 453 | |
e0a21ab9 KH |
454 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
455 | tree for size reasons. */ | |
766090c2 | 456 | struct GTY(()) sorted_fields_type { |
d07605f5 AP |
457 | int len; |
458 | tree GTY((length ("%h.len"))) elts[1]; | |
459 | }; | |
460 | ||
8f17b5c5 MM |
461 | /* Mark which labels are explicitly declared. |
462 | These may be shadowed, and may be referenced from nested functions. */ | |
463 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
464 | ||
ab76ca54 MM |
465 | typedef enum c_language_kind |
466 | { | |
d73326ca | 467 | clk_c = 0, /* C90, C94, C99 or C11 */ |
37fa72e9 NB |
468 | clk_objc = 1, /* clk_c with ObjC features. */ |
469 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
470 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
21c7361e | 471 | } |
ab76ca54 MM |
472 | c_language_kind; |
473 | ||
37fa72e9 NB |
474 | /* To test for a specific language use c_language, defined by each |
475 | front end. For "ObjC features" or "not C++" use the macros. */ | |
476 | extern c_language_kind c_language; | |
477 | ||
15a15e8d RH |
478 | #define c_dialect_cxx() ((c_language & clk_cxx) != 0) |
479 | #define c_dialect_objc() ((c_language & clk_objc) != 0) | |
37fa72e9 | 480 | |
dd865ef6 SZ |
481 | /* The various name of operator that appears in error messages. */ |
482 | typedef enum ref_operator { | |
483 | /* NULL */ | |
484 | RO_NULL, | |
485 | /* array indexing */ | |
486 | RO_ARRAY_INDEXING, | |
487 | /* unary * */ | |
488 | RO_UNARY_STAR, | |
489 | /* -> */ | |
490 | RO_ARROW, | |
491 | /* implicit conversion */ | |
5e54f81d MG |
492 | RO_IMPLICIT_CONVERSION, |
493 | /* ->* */ | |
494 | RO_ARROW_STAR | |
dd865ef6 SZ |
495 | } ref_operator; |
496 | ||
ae499cce MM |
497 | /* Information about a statement tree. */ |
498 | ||
d1b38208 | 499 | struct GTY(()) stmt_tree_s { |
38e01f9e | 500 | /* A stack of statement lists being collected. */ |
9771b263 | 501 | vec<tree, va_gc> *x_cur_stmt_list; |
325c3691 | 502 | |
da7d8304 | 503 | /* In C++, Nonzero if we should treat statements as full |
04f7a48e | 504 | expressions. In particular, this variable is non-zero if at the |
ae499cce MM |
505 | end of a statement we should destroy any temporaries created |
506 | during that statement. Similarly, if, at the end of a block, we | |
507 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 508 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
509 | C++. |
510 | ||
ae499cce | 511 | This flag has no effect in C. */ |
21c7361e | 512 | int stmts_are_full_exprs_p; |
ae499cce MM |
513 | }; |
514 | ||
515 | typedef struct stmt_tree_s *stmt_tree; | |
516 | ||
517 | /* Global state pertinent to the current function. Some C dialects | |
518 | extend this structure with additional fields. */ | |
519 | ||
d1b38208 | 520 | struct GTY(()) c_language_function { |
ae499cce MM |
521 | /* While we are parsing the function, this contains information |
522 | about the statement-tree that we are building. */ | |
523 | struct stmt_tree_s x_stmt_tree; | |
3797cb21 DS |
524 | |
525 | /* Vector of locally defined typedefs, for | |
526 | -Wunused-local-typedefs. */ | |
9771b263 | 527 | vec<tree, va_gc> *local_typedefs; |
ae499cce MM |
528 | }; |
529 | ||
38e01f9e NF |
530 | #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
531 | ||
35fd3193 | 532 | /* When building a statement-tree, this is the current statement list |
9771b263 DN |
533 | being collected. */ |
534 | #define cur_stmt_list (stmt_list_stack->last ()) | |
38e01f9e | 535 | |
9771b263 | 536 | #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
8f17b5c5 MM |
537 | |
538 | /* Language-specific hooks. */ | |
539 | ||
4684cd27 MM |
540 | /* If non-NULL, this function is called after a precompile header file |
541 | is loaded. */ | |
542 | extern void (*lang_post_pch_load) (void); | |
543 | ||
f75fbaf7 ZW |
544 | extern void push_file_scope (void); |
545 | extern void pop_file_scope (void); | |
35b1a6fa | 546 | extern stmt_tree current_stmt_tree (void); |
325c3691 | 547 | extern tree push_stmt_list (void); |
325c3691 | 548 | extern tree pop_stmt_list (tree); |
35b1a6fa | 549 | extern tree add_stmt (tree); |
325c3691 | 550 | extern void push_cleanup (tree, tree, bool); |
953ff289 DN |
551 | extern tree pushdecl_top_level (tree); |
552 | extern tree pushdecl (tree); | |
32e8bb8e | 553 | extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
c2255bc4 | 554 | location_t, tree, tree); |
36536d79 BI |
555 | extern tree build_array_notation_expr (location_t, tree, tree, enum tree_code, |
556 | location_t, tree, tree); | |
557 | extern tree build_array_notation_ref (location_t, tree, tree, tree, tree, tree); | |
dd865ef6 | 558 | extern tree build_indirect_ref (location_t, tree, ref_operator); |
35b1a6fa | 559 | |
d07605f5 | 560 | extern int field_decl_cmp (const void *, const void *); |
c22cacf3 MS |
561 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, |
562 | void *); | |
58f9752a | 563 | extern bool has_c_linkage (const_tree decl); |
17211ab5 | 564 | \f |
4078b403 NB |
565 | /* Switches common to the C front ends. */ |
566 | ||
63973df3 NB |
567 | /* Nonzero means don't output line number information. */ |
568 | ||
569 | extern char flag_no_line_commands; | |
570 | ||
571 | /* Nonzero causes -E output not to be done, but directives such as | |
572 | #define that have side effects are still obeyed. */ | |
573 | ||
574 | extern char flag_no_output; | |
575 | ||
93d45d9e JM |
576 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M', |
577 | 'N' or 'U' of the command line switch. */ | |
63973df3 NB |
578 | |
579 | extern char flag_dump_macros; | |
580 | ||
581 | /* Nonzero means pass #include lines through to the output. */ | |
582 | ||
583 | extern char flag_dump_includes; | |
584 | ||
c0d578e6 GK |
585 | /* Nonzero means process PCH files while preprocessing. */ |
586 | ||
587 | extern bool flag_pch_preprocess; | |
588 | ||
17211ab5 GK |
589 | /* The file name to which we should write a precompiled header, or |
590 | NULL if no header will be written in this compile. */ | |
591 | ||
592 | extern const char *pch_file; | |
593 | ||
3df89291 NB |
594 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
595 | user's namespace. */ | |
17211ab5 | 596 | |
3df89291 NB |
597 | extern int flag_iso; |
598 | ||
4078b403 | 599 | /* C/ObjC language option variables. */ |
b34c7881 | 600 | |
2683ed8d | 601 | |
4078b403 NB |
602 | /* Nonzero means allow type mismatches in conditional expressions; |
603 | just make their values `void'. */ | |
74ff4629 | 604 | |
4078b403 | 605 | extern int flag_cond_mismatch; |
6c36d76b | 606 | |
eaf299c6 | 607 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
608 | |
609 | extern int flag_isoc94; | |
610 | ||
48b0b196 | 611 | /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
ab76ca54 MM |
612 | |
613 | extern int flag_isoc99; | |
614 | ||
48b0b196 | 615 | /* Nonzero means use the ISO C11 dialect of C. */ |
2778d766 | 616 | |
48b0b196 | 617 | extern int flag_isoc11; |
2778d766 | 618 | |
6614fd40 | 619 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
620 | |
621 | extern int flag_hosted; | |
622 | ||
4078b403 NB |
623 | /* ObjC language option variables. */ |
624 | ||
625 | ||
4078b403 NB |
626 | /* Tells the compiler that this is a special run. Do not perform any |
627 | compiling, instead we are to test some platform dependent features | |
628 | and output a C header file with appropriate definitions. */ | |
629 | ||
630 | extern int print_struct_values; | |
631 | ||
abc88a08 | 632 | /* Tells the compiler what is the constant string class for ObjC. */ |
4078b403 | 633 | |
fd350d24 | 634 | extern const char *constant_string_class_name; |
4078b403 | 635 | |
4078b403 NB |
636 | |
637 | /* C++ language option variables. */ | |
638 | ||
639 | ||
62984918 JM |
640 | /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is |
641 | less than N and the other is at least N, for use by -Wabi. */ | |
642 | #define abi_version_crosses(N) \ | |
643 | (abi_version_at_least(N) \ | |
644 | != (flag_abi_compat_version == 0 \ | |
645 | || flag_abi_compat_version >= (N))) | |
646 | ||
4078b403 NB |
647 | /* Nonzero means generate separate instantiation control files and |
648 | juggle them at link time. */ | |
649 | ||
650 | extern int flag_use_repository; | |
651 | ||
c1ae8be5 SM |
652 | /* The supported C++ dialects. */ |
653 | ||
654 | enum cxx_dialect { | |
97e3ad20 | 655 | /* C++98 with TC1 */ |
c1ae8be5 | 656 | cxx98, |
97e3ad20 JM |
657 | cxx03 = cxx98, |
658 | /* C++11 */ | |
659 | cxx0x, | |
552b8185 | 660 | cxx11 = cxx0x, |
028aee17 JM |
661 | /* C++14 */ |
662 | cxx14, | |
da73100b JM |
663 | /* C++1z (C++17?) */ |
664 | cxx1z | |
c1ae8be5 | 665 | }; |
966541e3 | 666 | |
c1ae8be5 SM |
667 | /* The C++ dialect being used. C++98 is the default. */ |
668 | extern enum cxx_dialect cxx_dialect; | |
966541e3 | 669 | |
4078b403 NB |
670 | /* Maximum template instantiation depth. This limit is rather |
671 | arbitrary, but it exists to limit the time it takes to notice | |
17bc631c | 672 | excessively recursive template instantiations. */ |
4078b403 NB |
673 | |
674 | extern int max_tinst_depth; | |
ab76ca54 | 675 | |
7d882b83 ILT |
676 | /* Nonzero means that we should not issue warnings about problems that |
677 | occur when the code is executed, because the code being processed | |
678 | is not expected to be executed. This is set during parsing. This | |
679 | is used for cases like sizeof() and "0 ? a : b". This is a count, | |
680 | not a bool, because unexecuted expressions can nest. */ | |
25587e40 | 681 | |
7d882b83 | 682 | extern int c_inhibit_evaluation_warnings; |
25587e40 | 683 | |
148e4216 JM |
684 | /* Whether lexing has been completed, so subsequent preprocessor |
685 | errors should use the compiler's input_location. */ | |
686 | ||
687 | extern bool done_lexing; | |
688 | ||
ab76ca54 MM |
689 | /* C types are partitioned into three subsets: object, function, and |
690 | incomplete types. */ | |
691 | #define C_TYPE_OBJECT_P(type) \ | |
692 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
693 | ||
694 | #define C_TYPE_INCOMPLETE_P(type) \ | |
695 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
696 | ||
697 | #define C_TYPE_FUNCTION_P(type) \ | |
698 | (TREE_CODE (type) == FUNCTION_TYPE) | |
699 | ||
700 | /* For convenience we define a single macro to identify the class of | |
701 | object or incomplete types. */ | |
702 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
703 | (!C_TYPE_FUNCTION_P (type)) | |
704 | ||
c98cd5bf JM |
705 | struct visibility_flags |
706 | { | |
707 | unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ | |
708 | unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ | |
709 | }; | |
710 | ||
49b0aa18 JC |
711 | /* These enumerators are possible types of unsafe conversions. |
712 | SAFE_CONVERSION The conversion is safe | |
713 | UNSAFE_OTHER Another type of conversion with problems | |
714 | UNSAFE_SIGN Conversion between signed and unsigned integers | |
715 | which are all warned about immediately, so this is unused | |
716 | UNSAFE_REAL Conversions that reduce the precision of reals | |
717 | including conversions from reals to integers | |
718 | */ | |
719 | enum conversion_safety { SAFE_CONVERSION = 0, UNSAFE_OTHER, UNSAFE_SIGN, UNSAFE_REAL }; | |
720 | ||
c98cd5bf JM |
721 | /* Global visibility options. */ |
722 | extern struct visibility_flags visibility_options; | |
723 | ||
349ae713 NB |
724 | /* Attribute table common to the C front ends. */ |
725 | extern const struct attribute_spec c_common_attribute_table[]; | |
726 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
727 | ||
0ba8a114 | 728 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
729 | ID is the identifier to use, NAME is the string. |
730 | TYPE_DEP indicates whether it depends on type of the function or not | |
731 | (i.e. __PRETTY_FUNCTION__). */ | |
732 | ||
c2255bc4 | 733 | extern tree (*make_fname_decl) (location_t, tree, int); |
35b1a6fa | 734 | |
bffad7f1 | 735 | /* In c-decl.c and cp/tree.c. FIXME. */ |
3ef0694c | 736 | extern void c_register_addr_space (const char *str, addr_space_t as); |
bffad7f1 SB |
737 | |
738 | /* In c-common.c. */ | |
5386338c | 739 | extern bool in_late_binary_op; |
36c5e70a | 740 | extern const char *c_addr_space_name (addr_space_t as); |
35b1a6fa | 741 | extern tree identifier_global_value (tree); |
3a636414 | 742 | extern tree c_linkage_bindings (tree); |
35b1a6fa AJ |
743 | extern void record_builtin_type (enum rid, const char *, tree); |
744 | extern tree build_void_list_node (void); | |
745 | extern void start_fname_decls (void); | |
746 | extern void finish_fname_decls (void); | |
747 | extern const char *fname_as_string (int); | |
3ba09659 | 748 | extern tree fname_decl (location_t, unsigned, tree); |
35b1a6fa | 749 | |
d19fa6b5 | 750 | extern int check_user_alignment (const_tree, bool); |
dde05067 | 751 | extern void check_function_arguments (const_tree, int, tree *); |
35b1a6fa AJ |
752 | extern void check_function_arguments_recurse (void (*) |
753 | (void *, tree, | |
754 | unsigned HOST_WIDE_INT), | |
755 | void *, tree, | |
756 | unsigned HOST_WIDE_INT); | |
83322951 | 757 | extern bool check_builtin_function_arguments (tree, int, tree *); |
94a0dd7b | 758 | extern void check_function_format (tree, int, tree *); |
35b1a6fa AJ |
759 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
760 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
564a129d | 761 | extern bool attribute_takes_identifier_p (const_tree); |
a4d8c676 | 762 | extern bool c_common_handle_option (size_t, const char *, int, int, location_t, |
5f20c657 | 763 | const struct cl_option_handlers *); |
acce4e77 | 764 | extern bool default_handle_c_option (size_t, const char *, int); |
ef4bddc2 | 765 | extern tree c_common_type_for_mode (machine_mode, int); |
35b1a6fa | 766 | extern tree c_common_type_for_size (unsigned int, int); |
ab22c1fa CF |
767 | extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, |
768 | int, int); | |
12753674 | 769 | extern tree c_common_unsigned_type (tree); |
35b1a6fa AJ |
770 | extern tree c_common_signed_type (tree); |
771 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
81f653d6 | 772 | extern void c_common_init_ts (void); |
38a4afee | 773 | extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
68fca595 MP |
774 | extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, |
775 | bool); | |
58f9752a | 776 | extern bool decl_with_nonnull_addr_p (const_tree); |
928c19bb JM |
777 | extern tree c_fully_fold (tree, bool, bool *); |
778 | extern tree decl_constant_value_for_optimization (tree); | |
e5a94231 | 779 | extern tree c_wrap_maybe_const (tree, bool); |
928c19bb | 780 | extern tree c_save_expr (tree); |
ba47d38d | 781 | extern tree c_common_truthvalue_conversion (location_t, tree); |
35b1a6fa | 782 | extern void c_apply_type_quals_to_decl (int, tree); |
296674db | 783 | extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
c2255bc4 | 784 | extern tree c_alignof_expr (location_t, tree); |
7f4edbcb BS |
785 | /* Print an error message for invalid operands to arith operation CODE. |
786 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
ba47d38d | 787 | extern void binary_op_error (location_t, enum tree_code, tree, tree); |
35b1a6fa | 788 | extern tree fix_string_type (tree); |
35b1a6fa | 789 | extern void constant_expression_warning (tree); |
393eda6a | 790 | extern void constant_expression_error (tree); |
79bedddc | 791 | extern bool strict_aliasing_warning (tree, tree, tree); |
3a785c97 | 792 | extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
9771b263 | 793 | vec<tree, va_gc> *, tree *, |
1a4049e7 | 794 | bool (*) (tree, tree)); |
68fca595 MP |
795 | extern void warnings_for_convert_and_check (location_t, tree, tree, tree); |
796 | extern tree convert_and_check (location_t, tree, tree); | |
c2255bc4 | 797 | extern void overflow_warning (location_t, tree); |
fd4116f4 | 798 | extern bool warn_if_unused_value (const_tree, location_t); |
a243fb4a | 799 | extern void warn_logical_operator (location_t, enum tree_code, tree, |
ca409efd | 800 | enum tree_code, tree, enum tree_code, tree); |
59ea0364 | 801 | extern void warn_logical_not_parentheses (location_t, enum tree_code, tree); |
a1e45ff0 | 802 | extern void check_main_parameter_types (tree decl); |
b2ca3702 | 803 | extern bool c_determine_visibility (tree); |
0af94e6f | 804 | extern bool vector_types_compatible_elements_p (tree, tree); |
6ec637a4 JJ |
805 | extern void mark_valid_location_for_stdc_pragma (bool); |
806 | extern bool valid_location_for_stdc_pragma_p (void); | |
807 | extern void set_float_const_decimal64 (void); | |
808 | extern void clear_float_const_decimal64 (void); | |
809 | extern bool float_const_decimal64_p (void); | |
ab76ca54 | 810 | |
a9aa2c3a NF |
811 | extern bool keyword_begins_type_specifier (enum rid); |
812 | extern bool keyword_is_storage_class_specifier (enum rid); | |
813 | extern bool keyword_is_type_qualifier (enum rid); | |
ba9e6dd5 | 814 | extern bool keyword_is_decl_specifier (enum rid); |
e28d52cf | 815 | extern bool cxx_fundamental_alignment_p (unsigned); |
f04dda30 | 816 | extern bool pointer_to_zero_sized_aggr_p (tree); |
a9aa2c3a | 817 | |
296674db JM |
818 | #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
819 | #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) | |
7f4edbcb | 820 | |
6715192c MLI |
821 | /* Subroutine of build_binary_op, used for certain operations. */ |
822 | extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); | |
823 | ||
7f4edbcb BS |
824 | /* Subroutine of build_binary_op, used for comparison operations. |
825 | See if the operands have both been converted from subword integer types | |
826 | and, if so, perhaps change them both back to their original type. */ | |
393e8e8b MP |
827 | extern tree shorten_compare (location_t, tree *, tree *, tree *, |
828 | enum tree_code *); | |
7f4edbcb | 829 | |
fd9b0f32 PC |
830 | extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
831 | bool = true); | |
50e60bc3 ZW |
832 | |
833 | /* Add qualifiers to a type, in the fashion for C. */ | |
35b1a6fa | 834 | extern tree c_build_qualified_type (tree, int); |
50e60bc3 | 835 | |
7f4edbcb BS |
836 | /* Build tree nodes and builtin functions common to both C and C++ language |
837 | frontends. */ | |
35b1a6fa | 838 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 839 | |
35b1a6fa | 840 | extern void disable_builtin_function (const char *); |
7d14c755 | 841 | |
3b2db49f MM |
842 | extern void set_compound_literal_name (tree decl); |
843 | ||
c2255bc4 | 844 | extern tree build_va_arg (location_t, tree, tree); |
7e8176d7 | 845 | |
c5fa0890 | 846 | extern const unsigned int c_family_lang_mask; |
7a9bf9a4 | 847 | extern unsigned int c_common_option_lang_mask (void); |
d723bb7c | 848 | extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
7a9bf9a4 | 849 | extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
a75bfaa6 | 850 | extern void c_common_init_options_struct (struct gcc_options *); |
7a9bf9a4 | 851 | extern void c_common_init_options (unsigned int, struct cl_decoded_option *); |
35b1a6fa AJ |
852 | extern bool c_common_post_options (const char **); |
853 | extern bool c_common_init (void); | |
854 | extern void c_common_finish (void); | |
b37421c6 | 855 | extern void c_common_parse_file (void); |
f8a36c78 | 856 | extern FILE *get_dump_info (int, int *); |
4862826d | 857 | extern alias_set_type c_common_get_alias_set (tree); |
9649812a | 858 | extern void c_register_builtin_type (tree, const char*); |
58f9752a KG |
859 | extern bool c_promoting_integer_type_p (const_tree); |
860 | extern int self_promoting_args_p (const_tree); | |
12ea3302 | 861 | extern tree strip_pointer_operator (tree); |
ba992967 | 862 | extern tree strip_pointer_or_array_types (tree); |
c5ff069d | 863 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
d7e7759d | 864 | |
d1bd0ded GK |
865 | /* This is the basic parsing function. */ |
866 | extern void c_parse_file (void); | |
d1bd0ded | 867 | |
d166d4c3 | 868 | extern void warn_for_omitted_condop (location_t, tree); |
c5ff069d | 869 | |
ae499cce MM |
870 | /* These macros provide convenient access to the various _STMT nodes. */ |
871 | ||
325c3691 RH |
872 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
873 | if a statement expression. */ | |
874 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
875 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
174283a3 RH |
876 | |
877 | /* Nonzero if a label has been added to the statement list. */ | |
878 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
879 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
325c3691 | 880 | |
928c19bb JM |
881 | /* C_MAYBE_CONST_EXPR accessors. */ |
882 | #define C_MAYBE_CONST_EXPR_PRE(NODE) \ | |
883 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) | |
884 | #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ | |
885 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) | |
886 | #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ | |
887 | TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
888 | #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ | |
889 | TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
890 | #define EXPR_INT_CONST_OPERANDS(EXPR) \ | |
891 | (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ | |
892 | && (TREE_CODE (EXPR) == INTEGER_CST \ | |
893 | || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ | |
894 | && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) | |
895 | ||
0a7394bc MM |
896 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
897 | #define DECL_C_BIT_FIELD(NODE) \ | |
898 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
899 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
900 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
901 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
902 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
903 | ||
c2255bc4 AH |
904 | extern tree do_case (location_t, tree, tree); |
905 | extern tree build_stmt (location_t, enum tree_code, ...); | |
fb52b50a | 906 | extern tree build_real_imag_expr (location_t, enum tree_code, tree); |
f2c5f623 | 907 | |
ab76ca54 MM |
908 | /* These functions must be defined by each front-end which implements |
909 | a variant of the C language. They are used in c-common.c. */ | |
910 | ||
c9f9eb5d | 911 | extern tree build_unary_op (location_t, enum tree_code, tree, int); |
ba47d38d | 912 | extern tree build_binary_op (location_t, enum tree_code, tree, tree, int); |
522ddfa2 | 913 | extern tree perform_integral_promotions (tree); |
ab76ca54 | 914 | |
d593cb3d MS |
915 | /* These functions must be defined by each front-end which implements |
916 | a variant of the C language. They are used by port files. */ | |
917 | ||
918 | extern tree default_conversion (tree); | |
919 | ||
ab76ca54 MM |
920 | /* Given two integer or real types, return the type for their sum. |
921 | Given two compatible ANSI C types, returns the merged type. */ | |
922 | ||
35b1a6fa | 923 | extern tree common_type (tree, tree); |
44835fdd | 924 | |
35b1a6fa | 925 | extern tree decl_constant_value (tree); |
56cb9733 | 926 | |
19552aa5 | 927 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 928 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 929 | |
35b1a6fa | 930 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 931 | |
c2255bc4 | 932 | extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree); |
8f17b5c5 | 933 | |
fbc315db | 934 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); |
6de9cd9a | 935 | |
c2255bc4 | 936 | extern tree build_function_call (location_t, tree, tree); |
c70eaeaf | 937 | |
81e5eca8 MP |
938 | extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
939 | vec<tree, va_gc> *, vec<tree, va_gc> *); | |
bbbbb16a | 940 | |
9771b263 | 941 | extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
48ae6c13 | 942 | |
6a3799eb | 943 | extern tree finish_label_address_expr (tree, location_t); |
15b732b2 NB |
944 | |
945 | /* Same function prototype, but the C and C++ front ends have | |
946 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 947 | extern tree lookup_label (tree); |
10e6657a | 948 | extern tree lookup_name (tree); |
1e4ae551 | 949 | extern bool lvalue_p (const_tree); |
15b732b2 | 950 | |
f83c7f63 | 951 | extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
58f9752a | 952 | extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); |
bedc293e | 953 | extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
cc27e657 | 954 | |
35b1a6fa | 955 | extern void init_c_lex (void); |
81a75f0f | 956 | |
35b1a6fa | 957 | extern void c_cpp_builtins (cpp_reader *); |
ab442df7 | 958 | extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); |
59cc9210 SB |
959 | extern bool c_cpp_error (cpp_reader *, int, int, location_t, unsigned int, |
960 | const char *, va_list *) | |
961 | ATTRIBUTE_GCC_DIAG(6,0); | |
76c3e73e | 962 | |
7c475d11 JM |
963 | extern bool parse_optimize_options (tree, bool); |
964 | ||
731e8b38 MM |
965 | /* Positive if an implicit `extern "C"' scope has just been entered; |
966 | negative if such a scope has just been exited. */ | |
7876228d | 967 | extern GTY(()) int pending_lang_change; |
731e8b38 | 968 | |
0e5921e8 ZW |
969 | /* Information recorded about each file examined during compilation. */ |
970 | ||
971 | struct c_fileinfo | |
972 | { | |
973 | int time; /* Time spent in the file. */ | |
5d709b00 ZW |
974 | |
975 | /* Flags used only by C++. | |
976 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
977 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
978 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
979 | INTERFACE_ONLY is zero, it means that we are responsible for | |
980 | exporting definitions that others might need. */ | |
981 | short interface_only; | |
0e5921e8 ZW |
982 | short interface_unknown; |
983 | }; | |
984 | ||
35b1a6fa AJ |
985 | struct c_fileinfo *get_fileinfo (const char *); |
986 | extern void dump_time_statistics (void); | |
987 | ||
988 | extern bool c_dump_tree (void *, tree); | |
989 | ||
3a5b9284 RH |
990 | extern void verify_sequence_points (tree); |
991 | ||
cf9e9959 EB |
992 | extern tree fold_offsetof_1 (tree); |
993 | extern tree fold_offsetof (tree); | |
ee8a6a3e | 994 | |
5ae9ba3e | 995 | /* Places where an lvalue, or modifiable lvalue, may be required. |
37dc0d8d | 996 | Used to select diagnostic messages in lvalue_error and |
5ae9ba3e MM |
997 | readonly_error. */ |
998 | enum lvalue_use { | |
999 | lv_assign, | |
1000 | lv_increment, | |
1001 | lv_decrement, | |
1002 | lv_addressof, | |
1003 | lv_asm | |
1004 | }; | |
1005 | ||
c02065fc | 1006 | extern void readonly_error (location_t, tree, enum lvalue_use); |
7bd11157 | 1007 | extern void lvalue_error (location_t, enum lvalue_use); |
7a6daeb0 | 1008 | extern void invalid_indirection_error (location_t, tree, ref_operator); |
5ae9ba3e | 1009 | |
aab038d5 RH |
1010 | extern int complete_array_type (tree *, tree, bool); |
1011 | ||
48ae6c13 RH |
1012 | extern tree builtin_type_for_size (int, bool); |
1013 | ||
30cd1c5d AS |
1014 | extern void c_common_mark_addressable_vec (tree); |
1015 | ||
ff6b6641 | 1016 | extern void warn_array_subscript_with_type_char (tree); |
5d9de0d0 PC |
1017 | extern void warn_about_parentheses (location_t, |
1018 | enum tree_code, | |
100d537d MLI |
1019 | enum tree_code, tree, |
1020 | enum tree_code, tree); | |
c616e51b | 1021 | extern void warn_for_unused_label (tree label); |
c9f9eb5d | 1022 | extern void warn_for_div_by_zero (location_t, tree divisor); |
ba47d38d | 1023 | extern void warn_for_sign_compare (location_t, |
b8698a0f L |
1024 | tree orig_op0, tree orig_op1, |
1025 | tree op0, tree op1, | |
1026 | tree result_type, | |
2d12797c | 1027 | enum tree_code resultcode); |
c5ee1358 MM |
1028 | extern void do_warn_double_promotion (tree, tree, tree, const char *, |
1029 | location_t); | |
770e5a2e | 1030 | extern void set_underlying_type (tree); |
040d18b6 | 1031 | extern void record_types_used_by_current_var_decl (tree); |
3797cb21 DS |
1032 | extern void record_locally_defined_typedef (tree); |
1033 | extern void maybe_record_typedef_use (tree); | |
1034 | extern void maybe_warn_unused_local_typedefs (void); | |
04159acf | 1035 | extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); |
9771b263 DN |
1036 | extern vec<tree, va_gc> *make_tree_vector (void); |
1037 | extern void release_tree_vector (vec<tree, va_gc> *); | |
1038 | extern vec<tree, va_gc> *make_tree_vector_single (tree); | |
1039 | extern vec<tree, va_gc> *make_tree_vector_from_list (tree); | |
1040 | extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); | |
2a67bec2 | 1041 | |
793c625f MG |
1042 | /* Used for communication between c_common_type_for_mode and |
1043 | c_register_builtin_type. */ | |
1044 | extern GTY(()) tree registered_builtin_types; | |
1045 | ||
7c34ced1 | 1046 | /* In c-gimplify.c */ |
6de9cd9a | 1047 | extern void c_genericize (tree); |
726a989a | 1048 | extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); |
c2255bc4 | 1049 | extern tree c_build_bind_expr (location_t, tree, tree); |
6de9cd9a | 1050 | |
c0d578e6 | 1051 | /* In c-pch.c */ |
35b1a6fa | 1052 | extern void pch_init (void); |
1efcb8c6 | 1053 | extern void pch_cpp_save_state (void); |
35b1a6fa AJ |
1054 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); |
1055 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
1056 | const char *orig); | |
1057 | extern void c_common_write_pch (void); | |
18c81520 | 1058 | extern void c_common_no_more_pch (void); |
bc4071dd | 1059 | extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
3fd30b88 GK |
1060 | |
1061 | /* In *-checksum.c */ | |
1062 | extern const unsigned char executable_checksum[16]; | |
c0d578e6 | 1063 | |
ab442df7 MM |
1064 | /* In c-cppbuiltin.c */ |
1065 | extern void builtin_define_std (const char *macro); | |
35b1a6fa AJ |
1066 | extern void builtin_define_with_value (const char *, const char *, int); |
1067 | extern void c_stddef_cpp_builtins (void); | |
1068 | extern void fe_file_change (const struct line_map *); | |
cfc93532 | 1069 | extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char); |
9d10c9a9 NB |
1070 | |
1071 | /* In c-ppoutput.c */ | |
35b1a6fa AJ |
1072 | extern void init_pp_output (FILE *); |
1073 | extern void preprocess_file (cpp_reader *); | |
1074 | extern void pp_file_change (const struct line_map *); | |
8e9ea4d7 | 1075 | extern void pp_dir_change (cpp_reader *, const char *); |
104f8784 | 1076 | extern bool check_missing_format_attribute (tree, tree); |
17211ab5 | 1077 | |
953ff289 | 1078 | /* In c-omp.c */ |
acf0174b JJ |
1079 | #if HOST_BITS_PER_WIDE_INT >= 64 |
1080 | typedef unsigned HOST_WIDE_INT omp_clause_mask; | |
1081 | # define OMP_CLAUSE_MASK_1 ((omp_clause_mask) 1) | |
1082 | #else | |
1083 | struct omp_clause_mask | |
1084 | { | |
1085 | inline omp_clause_mask (); | |
1086 | inline omp_clause_mask (unsigned HOST_WIDE_INT l); | |
1087 | inline omp_clause_mask (unsigned HOST_WIDE_INT l, | |
1088 | unsigned HOST_WIDE_INT h); | |
1089 | inline omp_clause_mask &operator &= (omp_clause_mask); | |
1090 | inline omp_clause_mask &operator |= (omp_clause_mask); | |
1091 | inline omp_clause_mask operator ~ () const; | |
1092 | inline omp_clause_mask operator & (omp_clause_mask) const; | |
1093 | inline omp_clause_mask operator | (omp_clause_mask) const; | |
1094 | inline omp_clause_mask operator >> (int); | |
1095 | inline omp_clause_mask operator << (int); | |
1096 | inline bool operator == (omp_clause_mask) const; | |
acd15a28 | 1097 | inline bool operator != (omp_clause_mask) const; |
acf0174b JJ |
1098 | unsigned HOST_WIDE_INT low, high; |
1099 | }; | |
1100 | ||
1101 | inline | |
1102 | omp_clause_mask::omp_clause_mask () | |
1103 | { | |
1104 | } | |
1105 | ||
1106 | inline | |
1107 | omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l) | |
1108 | : low (l), high (0) | |
1109 | { | |
1110 | } | |
1111 | ||
1112 | inline | |
1113 | omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l, | |
1114 | unsigned HOST_WIDE_INT h) | |
1115 | : low (l), high (h) | |
1116 | { | |
1117 | } | |
1118 | ||
1119 | inline omp_clause_mask & | |
1120 | omp_clause_mask::operator &= (omp_clause_mask b) | |
1121 | { | |
1122 | low &= b.low; | |
1123 | high &= b.high; | |
1124 | return *this; | |
1125 | } | |
1126 | ||
1127 | inline omp_clause_mask & | |
1128 | omp_clause_mask::operator |= (omp_clause_mask b) | |
1129 | { | |
1130 | low |= b.low; | |
1131 | high |= b.high; | |
1132 | return *this; | |
1133 | } | |
1134 | ||
1135 | inline omp_clause_mask | |
1136 | omp_clause_mask::operator ~ () const | |
1137 | { | |
1138 | omp_clause_mask ret (~low, ~high); | |
1139 | return ret; | |
1140 | } | |
1141 | ||
1142 | inline omp_clause_mask | |
1143 | omp_clause_mask::operator | (omp_clause_mask b) const | |
1144 | { | |
1145 | omp_clause_mask ret (low | b.low, high | b.high); | |
1146 | return ret; | |
1147 | } | |
1148 | ||
1149 | inline omp_clause_mask | |
1150 | omp_clause_mask::operator & (omp_clause_mask b) const | |
1151 | { | |
1152 | omp_clause_mask ret (low & b.low, high & b.high); | |
1153 | return ret; | |
1154 | } | |
1155 | ||
1156 | inline omp_clause_mask | |
1157 | omp_clause_mask::operator << (int amount) | |
1158 | { | |
1159 | omp_clause_mask ret; | |
1160 | if (amount >= HOST_BITS_PER_WIDE_INT) | |
1161 | { | |
1162 | ret.low = 0; | |
1163 | ret.high = low << (amount - HOST_BITS_PER_WIDE_INT); | |
1164 | } | |
1165 | else if (amount == 0) | |
1166 | ret = *this; | |
1167 | else | |
1168 | { | |
1169 | ret.low = low << amount; | |
1170 | ret.high = (low >> (HOST_BITS_PER_WIDE_INT - amount)) | |
1171 | | (high << amount); | |
1172 | } | |
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 = high >> (amount - HOST_BITS_PER_WIDE_INT); | |
1183 | ret.high = 0; | |
1184 | } | |
1185 | else if (amount == 0) | |
1186 | ret = *this; | |
1187 | else | |
1188 | { | |
1189 | ret.low = (high << (HOST_BITS_PER_WIDE_INT - amount)) | |
1190 | | (low >> amount); | |
1191 | ret.high = high >> amount; | |
1192 | } | |
1193 | return ret; | |
1194 | } | |
1195 | ||
1196 | inline bool | |
1197 | omp_clause_mask::operator == (omp_clause_mask b) const | |
1198 | { | |
1199 | return low == b.low && high == b.high; | |
1200 | } | |
1201 | ||
acd15a28 JJ |
1202 | inline bool |
1203 | omp_clause_mask::operator != (omp_clause_mask b) const | |
1204 | { | |
1205 | return low != b.low || high != b.high; | |
1206 | } | |
1207 | ||
acf0174b JJ |
1208 | # define OMP_CLAUSE_MASK_1 omp_clause_mask (1) |
1209 | #endif | |
1210 | ||
1211 | enum c_omp_clause_split | |
1212 | { | |
1213 | C_OMP_CLAUSE_SPLIT_TARGET = 0, | |
1214 | C_OMP_CLAUSE_SPLIT_TEAMS, | |
1215 | C_OMP_CLAUSE_SPLIT_DISTRIBUTE, | |
1216 | C_OMP_CLAUSE_SPLIT_PARALLEL, | |
1217 | C_OMP_CLAUSE_SPLIT_FOR, | |
1218 | C_OMP_CLAUSE_SPLIT_SIMD, | |
1219 | C_OMP_CLAUSE_SPLIT_COUNT, | |
1220 | C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR | |
1221 | }; | |
1222 | ||
c2255bc4 | 1223 | extern tree c_finish_omp_master (location_t, tree); |
acf0174b | 1224 | extern tree c_finish_omp_taskgroup (location_t, tree); |
c2255bc4 AH |
1225 | extern tree c_finish_omp_critical (location_t, tree, tree); |
1226 | extern tree c_finish_omp_ordered (location_t, tree); | |
1227 | extern void c_finish_omp_barrier (location_t); | |
20906c66 | 1228 | extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, |
acf0174b | 1229 | tree, tree, tree, tree, tree, bool, bool); |
c2255bc4 AH |
1230 | extern void c_finish_omp_flush (location_t); |
1231 | extern void c_finish_omp_taskwait (location_t); | |
20906c66 | 1232 | extern void c_finish_omp_taskyield (location_t); |
acf0174b JJ |
1233 | extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, |
1234 | tree, tree, tree); | |
1235 | extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, | |
1236 | tree, tree *); | |
1237 | extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); | |
1238 | extern void c_omp_declare_simd_clauses_to_decls (tree, tree); | |
953ff289 DN |
1239 | extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
1240 | ||
56300785 JJ |
1241 | /* Return next tree in the chain for chain_next walking of tree nodes. */ |
1242 | static inline tree | |
1243 | c_tree_chain_next (tree t) | |
1244 | { | |
1245 | /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different | |
1246 | kind of object, never a long chain of nodes. Prefer | |
1247 | TYPE_NEXT_VARIANT for types. */ | |
1248 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) | |
1249 | return TYPE_NEXT_VARIANT (t); | |
1250 | /* Otherwise, if there is TREE_CHAIN, return it. */ | |
1251 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) | |
1252 | return TREE_CHAIN (t); | |
1253 | return NULL; | |
1254 | } | |
1255 | ||
0a35513e AH |
1256 | /* Mask used by tm_stmt_attr. */ |
1257 | #define TM_STMT_ATTR_OUTER 2 | |
1258 | #define TM_STMT_ATTR_ATOMIC 4 | |
1259 | #define TM_STMT_ATTR_RELAXED 8 | |
1260 | ||
1261 | extern int parse_tm_stmt_attr (tree, int); | |
1262 | ||
1263 | /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these | |
1264 | are ordered specifically such that more restrictive attributes are | |
1265 | at lower bit positions. This fact is known by the C++ tm attribute | |
1266 | inheritance code such that least bit extraction (mask & -mask) results | |
1267 | in the most restrictive attribute. */ | |
1268 | #define TM_ATTR_SAFE 1 | |
1269 | #define TM_ATTR_CALLABLE 2 | |
1270 | #define TM_ATTR_PURE 4 | |
1271 | #define TM_ATTR_IRREVOCABLE 8 | |
1272 | #define TM_ATTR_MAY_CANCEL_OUTER 16 | |
1273 | ||
1274 | extern int tm_attr_to_mask (tree); | |
1275 | extern tree tm_mask_to_attr (int); | |
1276 | extern tree find_tm_attribute (tree); | |
1277 | ||
3ce4f9e4 ESR |
1278 | /* A suffix-identifier value doublet that represents user-defined literals |
1279 | for C++-0x. */ | |
2d7aa578 ESR |
1280 | enum overflow_type { |
1281 | OT_UNDERFLOW = -1, | |
1282 | OT_NONE, | |
1283 | OT_OVERFLOW | |
1284 | }; | |
1285 | ||
3ce4f9e4 ESR |
1286 | struct GTY(()) tree_userdef_literal { |
1287 | struct tree_base base; | |
1288 | tree suffix_id; | |
1289 | tree value; | |
1290 | tree num_string; | |
2d7aa578 | 1291 | enum overflow_type overflow; |
3ce4f9e4 ESR |
1292 | }; |
1293 | ||
1294 | #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ | |
1295 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) | |
1296 | ||
1297 | #define USERDEF_LITERAL_VALUE(NODE) \ | |
1298 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) | |
1299 | ||
2d7aa578 ESR |
1300 | #define USERDEF_LITERAL_OVERFLOW(NODE) \ |
1301 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) | |
1302 | ||
3ce4f9e4 ESR |
1303 | #define USERDEF_LITERAL_NUM_STRING(NODE) \ |
1304 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) | |
1305 | ||
1306 | #define USERDEF_LITERAL_TYPE(NODE) \ | |
1307 | (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) | |
1308 | ||
2d7aa578 ESR |
1309 | extern tree build_userdef_literal (tree suffix_id, tree value, |
1310 | enum overflow_type overflow, | |
1311 | tree num_string); | |
3ce4f9e4 | 1312 | |
aa7da51a | 1313 | extern bool convert_vector_to_pointer_for_subscript (location_t, tree *, tree); |
7edaa4d2 | 1314 | |
a212e43f MG |
1315 | /* Possibe cases of scalar_to_vector conversion. */ |
1316 | enum stv_conv { | |
688010ba | 1317 | stv_error, /* Error occurred. */ |
a212e43f MG |
1318 | stv_nothing, /* Nothing happened. */ |
1319 | stv_firstarg, /* First argument must be expanded. */ | |
1320 | stv_secondarg /* Second argument must be expanded. */ | |
1321 | }; | |
1322 | ||
1323 | extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, | |
1324 | tree op0, tree op1, bool); | |
1325 | ||
c02065fc AH |
1326 | /* In c-cilkplus.c */ |
1327 | extern tree c_finish_cilk_clauses (tree); | |
1328 | extern tree c_validate_cilk_plus_loop (tree *, int *, void *); | |
1329 | extern bool c_check_cilk_loop (location_t, tree); | |
1330 | ||
36536d79 BI |
1331 | /* These #defines allow users to access different operands of the |
1332 | array notation tree. */ | |
1333 | ||
1334 | #define ARRAY_NOTATION_CHECK(NODE) TREE_CHECK (NODE, ARRAY_NOTATION_REF) | |
1335 | #define ARRAY_NOTATION_ARRAY(NODE) \ | |
1336 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 0) | |
1337 | #define ARRAY_NOTATION_START(NODE) \ | |
1338 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 1) | |
1339 | #define ARRAY_NOTATION_LENGTH(NODE) \ | |
1340 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 2) | |
1341 | #define ARRAY_NOTATION_STRIDE(NODE) \ | |
1342 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 3) | |
1343 | ||
d60f1706 BI |
1344 | /* This structure holds all the scalar values and its appropriate variable |
1345 | replacment. It is mainly used by the function that pulls all the invariant | |
1346 | parts that should be executed only once, which comes with array notation | |
1347 | expressions. */ | |
1348 | struct inv_list | |
1349 | { | |
1350 | vec<tree, va_gc> *list_values; | |
1351 | vec<tree, va_gc> *replacement; | |
07a6825b | 1352 | vec<enum tree_code, va_gc> *additional_tcodes; |
d60f1706 BI |
1353 | }; |
1354 | ||
2ce86d2e BI |
1355 | /* This structure holds all the important components that can be extracted |
1356 | from an ARRAY_NOTATION_REF expression. It is used to pass array notation | |
1357 | information between the functions that are responsible for expansion. */ | |
1358 | typedef struct cilkplus_an_parts | |
1359 | { | |
1360 | tree value; | |
1361 | tree start; | |
1362 | tree length; | |
1363 | tree stride; | |
1364 | bool is_vector; | |
1365 | } an_parts; | |
1366 | ||
1367 | /* This structure holds the components necessary to create the loop around | |
1368 | the ARRAY_REF that is created using the ARRAY_NOTATION information. */ | |
1369 | ||
1370 | typedef struct cilkplus_an_loop_parts | |
1371 | { | |
1372 | tree var; /* Loop induction variable. */ | |
1373 | tree incr; /* Loop increment/decrement expression. */ | |
1374 | tree cmp; /* Loop condition. */ | |
1375 | tree ind_init; /* Initialization of the loop induction variable. */ | |
1376 | } an_loop_parts; | |
1377 | ||
d60f1706 BI |
1378 | /* In array-notation-common.c. */ |
1379 | extern HOST_WIDE_INT extract_sec_implicit_index_arg (location_t, tree); | |
36536d79 BI |
1380 | extern bool is_sec_implicit_index_fn (tree); |
1381 | extern void array_notation_init_builtins (void); | |
1382 | extern struct c_expr fix_array_notation_expr (location_t, enum tree_code, | |
1383 | struct c_expr); | |
1384 | extern bool contains_array_notation_expr (tree); | |
1385 | extern tree expand_array_notation_exprs (tree); | |
1386 | extern tree fix_conditional_array_notations (tree); | |
1387 | extern tree find_correct_array_notation_type (tree); | |
713b46fa | 1388 | extern bool length_mismatch_in_expr_p (location_t, vec<vec<an_parts> >); |
d60f1706 BI |
1389 | extern enum built_in_function is_cilkplus_reduce_builtin (tree); |
1390 | extern bool find_rank (location_t, tree, tree, bool, size_t *); | |
1391 | extern void extract_array_notation_exprs (tree, bool, vec<tree, va_gc> **); | |
1392 | extern void replace_array_notations (tree *, bool, vec<tree, va_gc> *, | |
1393 | vec<tree, va_gc> *); | |
1394 | extern tree find_inv_trees (tree *, int *, void *); | |
1395 | extern tree replace_inv_trees (tree *, int *, void *); | |
1396 | extern tree find_correct_array_notation_type (tree op); | |
2ce86d2e BI |
1397 | extern void cilkplus_extract_an_triplets (vec<tree, va_gc> *, size_t, size_t, |
1398 | vec<vec<an_parts> > *); | |
1399 | extern vec <tree, va_gc> *fix_sec_implicit_args | |
1400 | (location_t, vec <tree, va_gc> *, vec<an_loop_parts>, size_t, tree); | |
939b37da BI |
1401 | |
1402 | /* In cilk.c. */ | |
1403 | extern tree insert_cilk_frame (tree); | |
1404 | extern void cilk_init_builtins (void); | |
12893402 BI |
1405 | extern int gimplify_cilk_spawn (tree *); |
1406 | extern void cilk_install_body_with_frame_cleanup (tree, tree, void *); | |
939b37da BI |
1407 | extern bool cilk_detect_spawn_and_unwrap (tree *); |
1408 | extern bool cilk_set_spawn_marker (location_t, tree); | |
1409 | extern tree build_cilk_sync (void); | |
1410 | extern tree build_cilk_spawn (location_t, tree); | |
1411 | extern tree make_cilk_frame (tree); | |
1412 | extern tree create_cilk_function_exit (tree, bool, bool); | |
1413 | extern tree cilk_install_body_pedigree_operations (tree); | |
12893402 | 1414 | extern void cilk_outline (tree, tree *, void *); |
3af9c5e9 | 1415 | extern bool contains_cilk_spawn_stmt (tree); |
9a771876 | 1416 | extern tree cilk_for_number_of_iterations (tree); |
e5e44252 AK |
1417 | extern bool check_no_cilk (tree, const char *, const char *, |
1418 | location_t loc = UNKNOWN_LOCATION); | |
88657302 | 1419 | #endif /* ! GCC_C_COMMON_H */ |