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6de9cd9a | 1 | /* gfortran header file |
fa502cb2 | 2 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
f1f39033 | 3 | 2009, 2010, 2011 |
840bd9f7 | 4 | Free Software Foundation, Inc. |
6de9cd9a DN |
5 | Contributed by Andy Vaught |
6 | ||
9fc4d79b | 7 | This file is part of GCC. |
6de9cd9a | 8 | |
9fc4d79b TS |
9 | GCC is free software; you can redistribute it and/or modify it under |
10 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 11 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 12 | version. |
6de9cd9a | 13 | |
9fc4d79b TS |
14 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
15 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 | for more details. | |
6de9cd9a DN |
18 | |
19 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
20 | along with GCC; see the file COPYING3. If not see |
21 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
22 | |
23 | #ifndef GCC_GFORTRAN_H | |
24 | #define GCC_GFORTRAN_H | |
25 | ||
26 | /* It's probably insane to have this large of a header file, but it | |
27 | seemed like everything had to be recompiled anyway when a change | |
28 | was made to a header file, and there were ordering issues with | |
29 | multiple header files. Besides, Microsoft's winnt.h was 250k last | |
30 | time I looked, so by comparison this is perfectly reasonable. */ | |
31 | ||
d74b97cc FXC |
32 | /* Declarations common to the front-end and library are put in |
33 | libgfortran/libgfortran_frontend.h */ | |
34 | #include "libgfortran.h" | |
35 | ||
36 | ||
31043f6c | 37 | #include "intl.h" |
6de9cd9a | 38 | #include "coretypes.h" |
c8cc8542 | 39 | #include "input.h" |
5868cbf9 | 40 | #include "splay-tree.h" |
6de9cd9a | 41 | |
6de9cd9a DN |
42 | /* Major control parameters. */ |
43 | ||
1dde8683 | 44 | #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */ |
a8b3b0b6 CR |
45 | #define GFC_MAX_BINDING_LABEL_LEN 126 /* (2 * GFC_MAX_SYMBOL_LEN) */ |
46 | #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */ | |
6de9cd9a | 47 | #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ |
6de9cd9a | 48 | |
07b3bbf2 TK |
49 | #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */ |
50 | ||
51 | ||
6de9cd9a DN |
52 | #define gfc_is_whitespace(c) ((c==' ') || (c=='\t')) |
53 | ||
6de9cd9a DN |
54 | /* Stringization. */ |
55 | #define stringize(x) expand_macro(x) | |
56 | #define expand_macro(x) # x | |
57 | ||
df2fba9e | 58 | /* For the runtime library, a standard prefix is a requirement to |
6de9cd9a DN |
59 | avoid cluttering the namespace with things nobody asked for. It's |
60 | ugly to look at and a pain to type when you add the prefix by hand, | |
61 | so we hide it behind a macro. */ | |
62 | #define PREFIX(x) "_gfortran_" x | |
5b200ac2 | 63 | #define PREFIX_LEN 10 |
6de9cd9a | 64 | |
30aabb86 PT |
65 | #define BLANK_COMMON_NAME "__BLNK__" |
66 | ||
6de9cd9a DN |
67 | /* Macro to initialize an mstring structure. */ |
68 | #define minit(s, t) { s, NULL, t } | |
69 | ||
70 | /* Structure for storing strings to be matched by gfc_match_string. */ | |
71 | typedef struct | |
72 | { | |
73 | const char *string; | |
74 | const char *mp; | |
75 | int tag; | |
76 | } | |
77 | mstring; | |
78 | ||
79 | ||
944b8b35 | 80 | |
6de9cd9a DN |
81 | /*************************** Enums *****************************/ |
82 | ||
ad7ee6f8 JD |
83 | /* Used when matching and resolving data I/O transfer statements. */ |
84 | ||
85 | typedef enum | |
86 | { M_READ, M_WRITE, M_PRINT, M_INQUIRE } | |
87 | io_kind; | |
88 | ||
6de9cd9a DN |
89 | /* The author remains confused to this day about the convention of |
90 | returning '0' for 'SUCCESS'... or was it the other way around? The | |
91 | following enum makes things much more readable. We also start | |
92 | values off at one instead of zero. */ | |
93 | ||
94 | typedef enum | |
95 | { SUCCESS = 1, FAILURE } | |
8b11b59f | 96 | gfc_try; |
6de9cd9a | 97 | |
696abb30 JD |
98 | /* These are flags for identifying whether we are reading a character literal |
99 | between quotes or normal source code. */ | |
100 | ||
101 | typedef enum | |
102 | { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN } | |
103 | gfc_instring; | |
104 | ||
8f0d39a8 FXC |
105 | /* This is returned by gfc_notification_std to know if, given the flags |
106 | that were given (-std=, -pedantic) we should issue an error, a warning | |
107 | or nothing. */ | |
108 | ||
109 | typedef enum | |
110 | { SILENT, WARNING, ERROR } | |
111 | notification; | |
112 | ||
6de9cd9a DN |
113 | /* Matchers return one of these three values. The difference between |
114 | MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was | |
115 | successful, but that something non-syntactic is wrong and an error | |
116 | has already been issued. */ | |
117 | ||
118 | typedef enum | |
119 | { MATCH_NO = 1, MATCH_YES, MATCH_ERROR } | |
120 | match; | |
121 | ||
696abb30 | 122 | /* Used for different Fortran source forms in places like scanner.c. */ |
6de9cd9a DN |
123 | typedef enum |
124 | { FORM_FREE, FORM_FIXED, FORM_UNKNOWN } | |
125 | gfc_source_form; | |
126 | ||
6de9cd9a DN |
127 | /* Expression node types. */ |
128 | typedef enum | |
129 | { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, | |
713485cc | 130 | EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL, EXPR_PPC |
6de9cd9a DN |
131 | } |
132 | expr_t; | |
133 | ||
134 | /* Array types. */ | |
135 | typedef enum | |
136 | { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, | |
f5ca06e6 | 137 | AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_UNKNOWN |
6de9cd9a DN |
138 | } |
139 | array_type; | |
140 | ||
141 | typedef enum | |
142 | { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN } | |
143 | ar_type; | |
144 | ||
145 | /* Statement label types. */ | |
146 | typedef enum | |
147 | { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, | |
148 | ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT | |
149 | } | |
150 | gfc_sl_type; | |
151 | ||
152 | /* Intrinsic operators. */ | |
153 | typedef enum | |
154 | { GFC_INTRINSIC_BEGIN = 0, | |
155 | INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, | |
156 | INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, | |
157 | INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, | |
158 | INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, | |
3bed9dd0 | 159 | /* ==, /=, >, >=, <, <= */ |
6de9cd9a | 160 | INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, |
3bed9dd0 DF |
161 | INTRINSIC_LT, INTRINSIC_LE, |
162 | /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */ | |
163 | INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, | |
164 | INTRINSIC_LT_OS, INTRINSIC_LE_OS, | |
165 | INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, | |
166 | INTRINSIC_PARENTHESES, GFC_INTRINSIC_END /* Sentinel */ | |
6de9cd9a DN |
167 | } |
168 | gfc_intrinsic_op; | |
169 | ||
6de9cd9a DN |
170 | /* This macro is the number of intrinsic operators that exist. |
171 | Assumptions are made about the numbering of the interface_op enums. */ | |
172 | #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END | |
173 | ||
174 | /* Arithmetic results. */ | |
175 | typedef enum | |
f8e566e5 | 176 | { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, |
6bb62671 | 177 | ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT |
6de9cd9a DN |
178 | } |
179 | arith; | |
180 | ||
181 | /* Statements. */ | |
182 | typedef enum | |
183 | { | |
03af1e4c DK |
184 | ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE, |
185 | ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA, | |
6de9cd9a DN |
186 | ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, |
187 | ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, | |
03af1e4c DK |
188 | ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA, |
189 | ST_ENDDO, ST_IMPLIED_ENDDO, | |
34523524 | 190 | ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, |
6403ec5f JB |
191 | ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, |
192 | ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, | |
d0a4a61c TB |
193 | ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, |
194 | ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_IMPORT, | |
195 | ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY, ST_SYNC_IMAGES, | |
6403ec5f JB |
196 | ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, |
197 | ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, | |
6f0f0b2e JD |
198 | ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, |
199 | ST_WRITE, ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, | |
6403ec5f | 200 | ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, |
cf2b3c22 | 201 | ST_ENUM, ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS, |
20906c66 JJ |
202 | ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC, |
203 | ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, | |
204 | ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, | |
6c7a4dfd JJ |
205 | ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, |
206 | ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, | |
207 | ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, | |
208 | ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, | |
a68ab351 | 209 | ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, |
20906c66 JJ |
210 | ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, |
211 | ST_END_CRITICAL, ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_NONE | |
6de9cd9a DN |
212 | } |
213 | gfc_statement; | |
214 | ||
6de9cd9a DN |
215 | /* Types of interfaces that we can have. Assignment interfaces are |
216 | considered to be intrinsic operators. */ | |
217 | typedef enum | |
218 | { | |
219 | INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, | |
9e1d712c | 220 | INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT |
6de9cd9a DN |
221 | } |
222 | interface_type; | |
223 | ||
224 | /* Symbol flavors: these are all mutually exclusive. | |
225 | 10 elements = 4 bits. */ | |
5f42ddb0 | 226 | typedef enum sym_flavor |
6de9cd9a DN |
227 | { |
228 | FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, | |
a8b3b0b6 CR |
229 | FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, |
230 | FL_VOID | |
6de9cd9a DN |
231 | } |
232 | sym_flavor; | |
233 | ||
234 | /* Procedure types. 7 elements = 3 bits. */ | |
5f42ddb0 | 235 | typedef enum procedure_type |
6de9cd9a DN |
236 | { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, |
237 | PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL | |
238 | } | |
239 | procedure_type; | |
240 | ||
241 | /* Intent types. */ | |
5f42ddb0 | 242 | typedef enum sym_intent |
6de9cd9a DN |
243 | { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT |
244 | } | |
245 | sym_intent; | |
246 | ||
247 | /* Access types. */ | |
5f42ddb0 KG |
248 | typedef enum gfc_access |
249 | { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE | |
6de9cd9a DN |
250 | } |
251 | gfc_access; | |
252 | ||
253 | /* Flags to keep track of where an interface came from. | |
c73b6478 | 254 | 3 elements = 2 bits. */ |
5f42ddb0 | 255 | typedef enum ifsrc |
c73b6478 JW |
256 | { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */ |
257 | IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */ | |
258 | IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement | |
259 | with explicit interface. */ | |
6de9cd9a DN |
260 | } |
261 | ifsrc; | |
262 | ||
86bf520d | 263 | /* Whether a SAVE attribute was set explicitly or implicitly. */ |
5349080d TB |
264 | typedef enum save_state |
265 | { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT | |
266 | } | |
267 | save_state; | |
268 | ||
6de9cd9a DN |
269 | /* Strings for all symbol attributes. We use these for dumping the |
270 | parse tree, in error messages, and also when reading and writing | |
271 | modules. In symbol.c. */ | |
272 | extern const mstring flavors[]; | |
273 | extern const mstring procedures[]; | |
274 | extern const mstring intents[]; | |
275 | extern const mstring access_types[]; | |
276 | extern const mstring ifsrc_types[]; | |
ef7236d2 | 277 | extern const mstring save_status[]; |
6de9cd9a DN |
278 | |
279 | /* Enumeration of all the generic intrinsic functions. Used by the | |
280 | backend for identification of a function. */ | |
281 | ||
cd5ecab6 | 282 | enum gfc_isym_id |
6de9cd9a DN |
283 | { |
284 | /* GFC_ISYM_NONE is used for intrinsics which will never be seen by | |
df2fba9e | 285 | the backend (e.g. KIND). */ |
6de9cd9a | 286 | GFC_ISYM_NONE = 0, |
cd5ecab6 | 287 | GFC_ISYM_ABORT, |
6de9cd9a | 288 | GFC_ISYM_ABS, |
a119fc1c | 289 | GFC_ISYM_ACCESS, |
6de9cd9a DN |
290 | GFC_ISYM_ACHAR, |
291 | GFC_ISYM_ACOS, | |
1e399e23 | 292 | GFC_ISYM_ACOSH, |
6de9cd9a DN |
293 | GFC_ISYM_ADJUSTL, |
294 | GFC_ISYM_ADJUSTR, | |
295 | GFC_ISYM_AIMAG, | |
296 | GFC_ISYM_AINT, | |
cd5ecab6 | 297 | GFC_ISYM_ALARM, |
6de9cd9a DN |
298 | GFC_ISYM_ALL, |
299 | GFC_ISYM_ALLOCATED, | |
5d723e54 | 300 | GFC_ISYM_AND, |
cd5ecab6 | 301 | GFC_ISYM_ANINT, |
6de9cd9a DN |
302 | GFC_ISYM_ANY, |
303 | GFC_ISYM_ASIN, | |
1e399e23 | 304 | GFC_ISYM_ASINH, |
6de9cd9a DN |
305 | GFC_ISYM_ASSOCIATED, |
306 | GFC_ISYM_ATAN, | |
307 | GFC_ISYM_ATAN2, | |
cd5ecab6 | 308 | GFC_ISYM_ATANH, |
da661a58 TB |
309 | GFC_ISYM_ATOMIC_DEF, |
310 | GFC_ISYM_ATOMIC_REF, | |
88a95a11 FXC |
311 | GFC_ISYM_BGE, |
312 | GFC_ISYM_BGT, | |
cd5ecab6 | 313 | GFC_ISYM_BIT_SIZE, |
88a95a11 FXC |
314 | GFC_ISYM_BLE, |
315 | GFC_ISYM_BLT, | |
6de9cd9a DN |
316 | GFC_ISYM_BTEST, |
317 | GFC_ISYM_CEILING, | |
318 | GFC_ISYM_CHAR, | |
f77b6ca3 | 319 | GFC_ISYM_CHDIR, |
a119fc1c | 320 | GFC_ISYM_CHMOD, |
6de9cd9a | 321 | GFC_ISYM_CMPLX, |
b41b2534 | 322 | GFC_ISYM_COMMAND_ARGUMENT_COUNT, |
d000aa67 TB |
323 | GFC_ISYM_COMPILER_OPTIONS, |
324 | GFC_ISYM_COMPILER_VERSION, | |
5d723e54 | 325 | GFC_ISYM_COMPLEX, |
6de9cd9a | 326 | GFC_ISYM_CONJG, |
cd5ecab6 | 327 | GFC_ISYM_CONVERSION, |
6de9cd9a DN |
328 | GFC_ISYM_COS, |
329 | GFC_ISYM_COSH, | |
330 | GFC_ISYM_COUNT, | |
cd5ecab6 | 331 | GFC_ISYM_CPU_TIME, |
6de9cd9a | 332 | GFC_ISYM_CSHIFT, |
35059811 | 333 | GFC_ISYM_CTIME, |
048510c8 | 334 | GFC_ISYM_C_SIZEOF, |
cd5ecab6 | 335 | GFC_ISYM_DATE_AND_TIME, |
6de9cd9a | 336 | GFC_ISYM_DBLE, |
cd5ecab6 | 337 | GFC_ISYM_DIGITS, |
6de9cd9a DN |
338 | GFC_ISYM_DIM, |
339 | GFC_ISYM_DOT_PRODUCT, | |
340 | GFC_ISYM_DPROD, | |
88a95a11 FXC |
341 | GFC_ISYM_DSHIFTL, |
342 | GFC_ISYM_DSHIFTR, | |
cd5ecab6 | 343 | GFC_ISYM_DTIME, |
6de9cd9a | 344 | GFC_ISYM_EOSHIFT, |
cd5ecab6 | 345 | GFC_ISYM_EPSILON, |
e8525382 SK |
346 | GFC_ISYM_ERF, |
347 | GFC_ISYM_ERFC, | |
f489fba1 | 348 | GFC_ISYM_ERFC_SCALED, |
2bd74949 | 349 | GFC_ISYM_ETIME, |
c14c8155 | 350 | GFC_ISYM_EXECUTE_COMMAND_LINE, |
cd5ecab6 | 351 | GFC_ISYM_EXIT, |
6de9cd9a DN |
352 | GFC_ISYM_EXP, |
353 | GFC_ISYM_EXPONENT, | |
cf2b3c22 | 354 | GFC_ISYM_EXTENDS_TYPE_OF, |
35059811 | 355 | GFC_ISYM_FDATE, |
5d723e54 FXC |
356 | GFC_ISYM_FGET, |
357 | GFC_ISYM_FGETC, | |
6de9cd9a | 358 | GFC_ISYM_FLOOR, |
cd5ecab6 | 359 | GFC_ISYM_FLUSH, |
df65f093 | 360 | GFC_ISYM_FNUM, |
5d723e54 FXC |
361 | GFC_ISYM_FPUT, |
362 | GFC_ISYM_FPUTC, | |
6de9cd9a | 363 | GFC_ISYM_FRACTION, |
cd5ecab6 DF |
364 | GFC_ISYM_FREE, |
365 | GFC_ISYM_FSEEK, | |
df65f093 | 366 | GFC_ISYM_FSTAT, |
5d723e54 | 367 | GFC_ISYM_FTELL, |
7bc19392 | 368 | GFC_ISYM_TGAMMA, |
cd5ecab6 DF |
369 | GFC_ISYM_GERROR, |
370 | GFC_ISYM_GETARG, | |
371 | GFC_ISYM_GET_COMMAND, | |
372 | GFC_ISYM_GET_COMMAND_ARGUMENT, | |
a8c60d7f | 373 | GFC_ISYM_GETCWD, |
cd5ecab6 DF |
374 | GFC_ISYM_GETENV, |
375 | GFC_ISYM_GET_ENVIRONMENT_VARIABLE, | |
4c0c6b9f | 376 | GFC_ISYM_GETGID, |
cd5ecab6 | 377 | GFC_ISYM_GETLOG, |
4c0c6b9f SK |
378 | GFC_ISYM_GETPID, |
379 | GFC_ISYM_GETUID, | |
cd5ecab6 | 380 | GFC_ISYM_GMTIME, |
f77b6ca3 | 381 | GFC_ISYM_HOSTNM, |
cd5ecab6 | 382 | GFC_ISYM_HUGE, |
f489fba1 | 383 | GFC_ISYM_HYPOT, |
6de9cd9a | 384 | GFC_ISYM_IACHAR, |
195a95c4 | 385 | GFC_ISYM_IALL, |
6de9cd9a | 386 | GFC_ISYM_IAND, |
195a95c4 | 387 | GFC_ISYM_IANY, |
b41b2534 | 388 | GFC_ISYM_IARGC, |
6de9cd9a DN |
389 | GFC_ISYM_IBCLR, |
390 | GFC_ISYM_IBITS, | |
391 | GFC_ISYM_IBSET, | |
392 | GFC_ISYM_ICHAR, | |
cd5ecab6 | 393 | GFC_ISYM_IDATE, |
6de9cd9a | 394 | GFC_ISYM_IEOR, |
f77b6ca3 | 395 | GFC_ISYM_IERRNO, |
64f002ed | 396 | GFC_ISYM_IMAGE_INDEX, |
6de9cd9a DN |
397 | GFC_ISYM_INDEX, |
398 | GFC_ISYM_INT, | |
bf3fb7e4 FXC |
399 | GFC_ISYM_INT2, |
400 | GFC_ISYM_INT8, | |
6de9cd9a | 401 | GFC_ISYM_IOR, |
195a95c4 | 402 | GFC_ISYM_IPARITY, |
2bd74949 | 403 | GFC_ISYM_IRAND, |
ae8b8789 | 404 | GFC_ISYM_ISATTY, |
bae89173 FXC |
405 | GFC_ISYM_IS_IOSTAT_END, |
406 | GFC_ISYM_IS_IOSTAT_EOR, | |
3d97b1af | 407 | GFC_ISYM_ISNAN, |
6de9cd9a DN |
408 | GFC_ISYM_ISHFT, |
409 | GFC_ISYM_ISHFTC, | |
cd5ecab6 DF |
410 | GFC_ISYM_ITIME, |
411 | GFC_ISYM_J0, | |
412 | GFC_ISYM_J1, | |
413 | GFC_ISYM_JN, | |
29698e0f | 414 | GFC_ISYM_JN2, |
f77b6ca3 | 415 | GFC_ISYM_KILL, |
cd5ecab6 | 416 | GFC_ISYM_KIND, |
6de9cd9a | 417 | GFC_ISYM_LBOUND, |
64f002ed | 418 | GFC_ISYM_LCOBOUND, |
414f00e9 | 419 | GFC_ISYM_LEADZ, |
6de9cd9a DN |
420 | GFC_ISYM_LEN, |
421 | GFC_ISYM_LEN_TRIM, | |
88607a9a | 422 | GFC_ISYM_LGAMMA, |
6de9cd9a DN |
423 | GFC_ISYM_LGE, |
424 | GFC_ISYM_LGT, | |
cd5ecab6 | 425 | GFC_ISYM_LINK, |
6de9cd9a DN |
426 | GFC_ISYM_LLE, |
427 | GFC_ISYM_LLT, | |
83d890b9 | 428 | GFC_ISYM_LOC, |
bf3fb7e4 | 429 | GFC_ISYM_LOG, |
6de9cd9a DN |
430 | GFC_ISYM_LOG10, |
431 | GFC_ISYM_LOGICAL, | |
bf3fb7e4 | 432 | GFC_ISYM_LONG, |
a119fc1c | 433 | GFC_ISYM_LSHIFT, |
bf3fb7e4 | 434 | GFC_ISYM_LSTAT, |
cd5ecab6 | 435 | GFC_ISYM_LTIME, |
0d519038 | 436 | GFC_ISYM_MALLOC, |
88a95a11 FXC |
437 | GFC_ISYM_MASKL, |
438 | GFC_ISYM_MASKR, | |
6de9cd9a DN |
439 | GFC_ISYM_MATMUL, |
440 | GFC_ISYM_MAX, | |
cd5ecab6 | 441 | GFC_ISYM_MAXEXPONENT, |
6de9cd9a DN |
442 | GFC_ISYM_MAXLOC, |
443 | GFC_ISYM_MAXVAL, | |
bf3fb7e4 FXC |
444 | GFC_ISYM_MCLOCK, |
445 | GFC_ISYM_MCLOCK8, | |
6de9cd9a | 446 | GFC_ISYM_MERGE, |
88a95a11 | 447 | GFC_ISYM_MERGE_BITS, |
6de9cd9a | 448 | GFC_ISYM_MIN, |
cd5ecab6 | 449 | GFC_ISYM_MINEXPONENT, |
6de9cd9a DN |
450 | GFC_ISYM_MINLOC, |
451 | GFC_ISYM_MINVAL, | |
452 | GFC_ISYM_MOD, | |
453 | GFC_ISYM_MODULO, | |
cd5ecab6 DF |
454 | GFC_ISYM_MOVE_ALLOC, |
455 | GFC_ISYM_MVBITS, | |
6de9cd9a | 456 | GFC_ISYM_NEAREST, |
cd5ecab6 | 457 | GFC_ISYM_NEW_LINE, |
6de9cd9a | 458 | GFC_ISYM_NINT, |
0cd0559e | 459 | GFC_ISYM_NORM2, |
6de9cd9a | 460 | GFC_ISYM_NOT, |
cd5ecab6 | 461 | GFC_ISYM_NULL, |
60386f50 | 462 | GFC_ISYM_NUM_IMAGES, |
5d723e54 | 463 | GFC_ISYM_OR, |
6de9cd9a | 464 | GFC_ISYM_PACK, |
0cd0559e | 465 | GFC_ISYM_PARITY, |
cd5ecab6 | 466 | GFC_ISYM_PERROR, |
ad5f4de2 FXC |
467 | GFC_ISYM_POPCNT, |
468 | GFC_ISYM_POPPAR, | |
cd5ecab6 | 469 | GFC_ISYM_PRECISION, |
6de9cd9a DN |
470 | GFC_ISYM_PRESENT, |
471 | GFC_ISYM_PRODUCT, | |
cd5ecab6 | 472 | GFC_ISYM_RADIX, |
2bd74949 | 473 | GFC_ISYM_RAND, |
cd5ecab6 DF |
474 | GFC_ISYM_RANDOM_NUMBER, |
475 | GFC_ISYM_RANDOM_SEED, | |
476 | GFC_ISYM_RANGE, | |
2514987f | 477 | GFC_ISYM_RANK, |
6de9cd9a | 478 | GFC_ISYM_REAL, |
f77b6ca3 | 479 | GFC_ISYM_RENAME, |
6de9cd9a DN |
480 | GFC_ISYM_REPEAT, |
481 | GFC_ISYM_RESHAPE, | |
482 | GFC_ISYM_RRSPACING, | |
cd5ecab6 | 483 | GFC_ISYM_RSHIFT, |
cf2b3c22 | 484 | GFC_ISYM_SAME_TYPE_AS, |
a39fafac | 485 | GFC_ISYM_SC_KIND, |
6de9cd9a DN |
486 | GFC_ISYM_SCALE, |
487 | GFC_ISYM_SCAN, | |
53096259 | 488 | GFC_ISYM_SECNDS, |
cd5ecab6 | 489 | GFC_ISYM_SECOND, |
6de9cd9a DN |
490 | GFC_ISYM_SET_EXPONENT, |
491 | GFC_ISYM_SHAPE, | |
88a95a11 FXC |
492 | GFC_ISYM_SHIFTA, |
493 | GFC_ISYM_SHIFTL, | |
494 | GFC_ISYM_SHIFTR, | |
6de9cd9a | 495 | GFC_ISYM_SIGN, |
185d7d97 | 496 | GFC_ISYM_SIGNAL, |
cd5ecab6 | 497 | GFC_ISYM_SI_KIND, |
6de9cd9a DN |
498 | GFC_ISYM_SIN, |
499 | GFC_ISYM_SINH, | |
500 | GFC_ISYM_SIZE, | |
cd5ecab6 | 501 | GFC_ISYM_SLEEP, |
fd2157ce | 502 | GFC_ISYM_SIZEOF, |
6de9cd9a DN |
503 | GFC_ISYM_SPACING, |
504 | GFC_ISYM_SPREAD, | |
505 | GFC_ISYM_SQRT, | |
cd5ecab6 | 506 | GFC_ISYM_SRAND, |
6de9cd9a | 507 | GFC_ISYM_SR_KIND, |
df65f093 | 508 | GFC_ISYM_STAT, |
048510c8 | 509 | GFC_ISYM_STORAGE_SIZE, |
6de9cd9a | 510 | GFC_ISYM_SUM, |
cd5ecab6 | 511 | GFC_ISYM_SYMLINK, |
f77b6ca3 | 512 | GFC_ISYM_SYMLNK, |
5b1374e9 | 513 | GFC_ISYM_SYSTEM, |
cd5ecab6 | 514 | GFC_ISYM_SYSTEM_CLOCK, |
6de9cd9a DN |
515 | GFC_ISYM_TAN, |
516 | GFC_ISYM_TANH, | |
64f002ed | 517 | GFC_ISYM_THIS_IMAGE, |
f77b6ca3 FXC |
518 | GFC_ISYM_TIME, |
519 | GFC_ISYM_TIME8, | |
cd5ecab6 | 520 | GFC_ISYM_TINY, |
414f00e9 | 521 | GFC_ISYM_TRAILZ, |
6de9cd9a DN |
522 | GFC_ISYM_TRANSFER, |
523 | GFC_ISYM_TRANSPOSE, | |
524 | GFC_ISYM_TRIM, | |
25fc05eb | 525 | GFC_ISYM_TTYNAM, |
6de9cd9a | 526 | GFC_ISYM_UBOUND, |
64f002ed | 527 | GFC_ISYM_UCOBOUND, |
d8fe26b2 SK |
528 | GFC_ISYM_UMASK, |
529 | GFC_ISYM_UNLINK, | |
6de9cd9a DN |
530 | GFC_ISYM_UNPACK, |
531 | GFC_ISYM_VERIFY, | |
5d723e54 | 532 | GFC_ISYM_XOR, |
cd5ecab6 DF |
533 | GFC_ISYM_Y0, |
534 | GFC_ISYM_Y1, | |
29698e0f TB |
535 | GFC_ISYM_YN, |
536 | GFC_ISYM_YN2 | |
6de9cd9a | 537 | }; |
cd5ecab6 | 538 | typedef enum gfc_isym_id gfc_isym_id; |
6de9cd9a | 539 | |
f96d606f | 540 | |
51b09ce3 AL |
541 | typedef enum |
542 | { | |
543 | GFC_INIT_REAL_OFF = 0, | |
544 | GFC_INIT_REAL_ZERO, | |
545 | GFC_INIT_REAL_NAN, | |
346a77d1 | 546 | GFC_INIT_REAL_SNAN, |
51b09ce3 AL |
547 | GFC_INIT_REAL_INF, |
548 | GFC_INIT_REAL_NEG_INF | |
549 | } | |
550 | init_local_real; | |
551 | ||
552 | typedef enum | |
553 | { | |
554 | GFC_INIT_LOGICAL_OFF = 0, | |
555 | GFC_INIT_LOGICAL_FALSE, | |
556 | GFC_INIT_LOGICAL_TRUE | |
557 | } | |
558 | init_local_logical; | |
559 | ||
560 | typedef enum | |
561 | { | |
562 | GFC_INIT_CHARACTER_OFF = 0, | |
563 | GFC_INIT_CHARACTER_ON | |
564 | } | |
565 | init_local_character; | |
566 | ||
567 | typedef enum | |
568 | { | |
569 | GFC_INIT_INTEGER_OFF = 0, | |
570 | GFC_INIT_INTEGER_ON | |
571 | } | |
572 | init_local_integer; | |
573 | ||
f4d1d50a TB |
574 | typedef enum |
575 | { | |
576 | GFC_FCOARRAY_NONE = 0, | |
60386f50 TB |
577 | GFC_FCOARRAY_SINGLE, |
578 | GFC_FCOARRAY_LIB | |
f4d1d50a TB |
579 | } |
580 | gfc_fcoarray; | |
581 | ||
3d03ead0 PT |
582 | typedef enum |
583 | { | |
aed5574e PT |
584 | GFC_ENABLE_REVERSE, |
585 | GFC_FORWARD_SET, | |
3d03ead0 | 586 | GFC_REVERSE_SET, |
aed5574e | 587 | GFC_INHIBIT_REVERSE |
3d03ead0 PT |
588 | } |
589 | gfc_reverse; | |
590 | ||
6de9cd9a DN |
591 | /************************* Structures *****************************/ |
592 | ||
5cf54585 TS |
593 | /* Used for keeping things in balanced binary trees. */ |
594 | #define BBT_HEADER(self) int priority; struct self *left, *right | |
595 | ||
7306b628 | 596 | #define NAMED_INTCST(a,b,c,d) a, |
be1f1ed9 | 597 | #define NAMED_KINDARRAY(a,b,c,d) a, |
d000aa67 | 598 | #define NAMED_FUNCTION(a,b,c,d) a, |
fea54935 | 599 | #define NAMED_DERIVED_TYPE(a,b,c,d) a, |
a8b3b0b6 CR |
600 | typedef enum |
601 | { | |
602 | ISOFORTRANENV_INVALID = -1, | |
603 | #include "iso-fortran-env.def" | |
604 | ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST | |
605 | } | |
606 | iso_fortran_env_symbol; | |
d000aa67 | 607 | #undef NAMED_INTCST |
be1f1ed9 | 608 | #undef NAMED_KINDARRAY |
d000aa67 | 609 | #undef NAMED_FUNCTION |
fea54935 | 610 | #undef NAMED_DERIVED_TYPE |
a8b3b0b6 | 611 | |
7306b628 | 612 | #define NAMED_INTCST(a,b,c,d) a, |
a8b3b0b6 CR |
613 | #define NAMED_REALCST(a,b,c) a, |
614 | #define NAMED_CMPXCST(a,b,c) a, | |
615 | #define NAMED_LOGCST(a,b,c) a, | |
616 | #define NAMED_CHARKNDCST(a,b,c) a, | |
617 | #define NAMED_CHARCST(a,b,c) a, | |
618 | #define DERIVED_TYPE(a,b,c) a, | |
619 | #define PROCEDURE(a,b) a, | |
d000aa67 | 620 | #define NAMED_FUNCTION(a,b,c,d) a, |
a8b3b0b6 CR |
621 | typedef enum |
622 | { | |
623 | ISOCBINDING_INVALID = -1, | |
624 | #include "iso-c-binding.def" | |
625 | ISOCBINDING_LAST, | |
626 | ISOCBINDING_NUMBER = ISOCBINDING_LAST | |
627 | } | |
628 | iso_c_binding_symbol; | |
629 | #undef NAMED_INTCST | |
630 | #undef NAMED_REALCST | |
631 | #undef NAMED_CMPXCST | |
632 | #undef NAMED_LOGCST | |
633 | #undef NAMED_CHARKNDCST | |
634 | #undef NAMED_CHARCST | |
635 | #undef DERIVED_TYPE | |
636 | #undef PROCEDURE | |
d000aa67 | 637 | #undef NAMED_FUNCTION |
a8b3b0b6 CR |
638 | |
639 | typedef enum | |
640 | { | |
641 | INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING | |
642 | } | |
643 | intmod_id; | |
644 | ||
645 | typedef struct | |
646 | { | |
647 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
648 | int value; /* Used for both integer and character values. */ | |
649 | bt f90_type; | |
650 | } | |
651 | CInteropKind_t; | |
652 | ||
653 | /* Array of structs, where the structs represent the C interop kinds. | |
654 | The list will be implemented based on a hash of the kind name since | |
655 | these could be accessed multiple times. | |
656 | Declared in trans-types.c as a global, since it's in that file | |
657 | that the list is initialized. */ | |
658 | extern CInteropKind_t c_interop_kinds_table[]; | |
659 | ||
08a6b8e0 TB |
660 | |
661 | /* Structure and list of supported extension attributes. */ | |
2b374f55 | 662 | typedef enum |
08a6b8e0 TB |
663 | { |
664 | EXT_ATTR_DLLIMPORT = 0, | |
665 | EXT_ATTR_DLLEXPORT, | |
666 | EXT_ATTR_STDCALL, | |
667 | EXT_ATTR_CDECL, | |
668 | EXT_ATTR_FASTCALL, | |
669 | EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST | |
2b374f55 TB |
670 | } |
671 | ext_attr_id_t; | |
08a6b8e0 TB |
672 | |
673 | typedef struct | |
674 | { | |
675 | const char *name; | |
676 | unsigned id; | |
677 | const char *middle_end_name; | |
678 | } | |
679 | ext_attr_t; | |
680 | ||
681 | extern const ext_attr_t ext_attr_list[]; | |
682 | ||
6de9cd9a DN |
683 | /* Symbol attribute structure. */ |
684 | typedef struct | |
685 | { | |
686 | /* Variable attributes. */ | |
be59db2d | 687 | unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1, |
59e36b72 | 688 | optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, |
e9bd9f7d | 689 | dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, |
fe4e525c TB |
690 | implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1, |
691 | contiguous:1; | |
6de9cd9a | 692 | |
41a394bb DK |
693 | /* For CLASS containers, the pointer attribute is sometimes set internally |
694 | even though it was not directly specified. In this case, keep the | |
695 | "real" (original) value here. */ | |
696 | unsigned class_pointer:1; | |
697 | ||
5349080d TB |
698 | ENUM_BITFIELD (save_state) save:2; |
699 | ||
6de9cd9a | 700 | unsigned data:1, /* Symbol is named in a DATA statement. */ |
8b11b59f | 701 | is_protected:1, /* Symbol has been marked as protected. */ |
993ef28f | 702 | use_assoc:1, /* Symbol has been use-associated. */ |
5a8af0b4 | 703 | use_only:1, /* Symbol has been use-associated, with ONLY. */ |
0e5a218b | 704 | use_rename:1, /* Symbol has been use-associated and renamed. */ |
022e30c0 PT |
705 | imported:1, /* Symbol has been associated by IMPORT. */ |
706 | host_assoc:1; /* Symbol has been host associated. */ | |
6de9cd9a | 707 | |
30aabb86 | 708 | unsigned in_namelist:1, in_common:1, in_equivalence:1; |
69773742 JW |
709 | unsigned function:1, subroutine:1, procedure:1; |
710 | unsigned generic:1, generic_copy:1; | |
d1303acd | 711 | unsigned implicit_type:1; /* Type defined via implicit rules. */ |
ebb479cd | 712 | unsigned untyped:1; /* No implicit type could be found. */ |
6de9cd9a | 713 | |
ebb479cd | 714 | unsigned is_bind_c:1; /* say if is bound to C. */ |
7c1dab0d | 715 | unsigned extension:8; /* extension level of a derived type. */ |
cf2b3c22 | 716 | unsigned is_class:1; /* is a CLASS container. */ |
2e23972e | 717 | unsigned class_ok:1; /* is a CLASS object with correct attributes. */ |
eece1eb9 PT |
718 | unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */ |
719 | unsigned vtype:1; /* is a derived type of a vtab. */ | |
a8b3b0b6 CR |
720 | |
721 | /* These flags are both in the typespec and attribute. The attribute | |
722 | list is what gets read from/written to a module file. The typespec | |
723 | is created from a decl being processed. */ | |
724 | unsigned is_c_interop:1; /* It's c interoperable. */ | |
725 | unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ | |
726 | ||
6de9cd9a DN |
727 | /* Function/subroutine attributes */ |
728 | unsigned sequence:1, elemental:1, pure:1, recursive:1; | |
9e1d712c | 729 | unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; |
6de9cd9a | 730 | |
f1f39033 PT |
731 | /* This is set if a contained procedure could be declared pure. This is |
732 | used for certain optimizations that require the result or arguments | |
733 | cannot alias. Note that this is zero for PURE procedures. */ | |
734 | unsigned implicit_pure:1; | |
735 | ||
fe58e076 TK |
736 | /* This is set if the subroutine doesn't return. Currently, this |
737 | is only possible for intrinsic subroutines. */ | |
738 | unsigned noreturn:1; | |
739 | ||
3d79abbd PB |
740 | /* Set if this procedure is an alternate entry point. These procedures |
741 | don't have any code associated, and the backend will turn them into | |
742 | thunks to the master function. */ | |
743 | unsigned entry:1; | |
8b67b708 | 744 | |
3d79abbd PB |
745 | /* Set if this is the master function for a procedure with multiple |
746 | entry points. */ | |
747 | unsigned entry_master:1; | |
8b67b708 | 748 | |
d198b59a JJ |
749 | /* Set if this is the master function for a function with multiple |
750 | entry points where characteristics of the entry points differ. */ | |
751 | unsigned mixed_entry_master:1; | |
3d79abbd | 752 | |
6de9cd9a DN |
753 | /* Set if a function must always be referenced by an explicit interface. */ |
754 | unsigned always_explicit:1; | |
755 | ||
756 | /* Set if the symbol has been referenced in an expression. No further | |
757 | modification of type or type parameters is permitted. */ | |
758 | unsigned referenced:1; | |
759 | ||
ecf24057 | 760 | /* Set if this is the symbol for the main program. */ |
8b67b708 FXC |
761 | unsigned is_main_program:1; |
762 | ||
6de9cd9a | 763 | /* Mutually exclusive multibit attributes. */ |
5f42ddb0 KG |
764 | ENUM_BITFIELD (gfc_access) access:2; |
765 | ENUM_BITFIELD (sym_intent) intent:2; | |
766 | ENUM_BITFIELD (sym_flavor) flavor:4; | |
767 | ENUM_BITFIELD (ifsrc) if_source:2; | |
6de9cd9a | 768 | |
5f42ddb0 | 769 | ENUM_BITFIELD (procedure_type) proc:3; |
949446f5 | 770 | |
83d890b9 | 771 | /* Special attributes for Cray pointers, pointees. */ |
949446f5 | 772 | unsigned cray_pointer:1, cray_pointee:1; |
6de9cd9a | 773 | |
5cca320d | 774 | /* The symbol is a derived type with allocatable components, pointer |
713485cc JW |
775 | components or private components, procedure pointer components, |
776 | possibly nested. zero_comp is true if the derived type has no | |
777 | component at all. */ | |
778 | unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1, | |
fea54935 | 779 | private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1; |
77bb16aa | 780 | |
8c91ab34 DK |
781 | /* This is a temporary selector for SELECT TYPE. */ |
782 | unsigned select_type_temporary:1; | |
783 | ||
08a6b8e0 TB |
784 | /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */ |
785 | unsigned ext_attr:EXT_ATTR_NUM; | |
786 | ||
1eee5628 TB |
787 | /* The namespace where the attribute has been set. */ |
788 | struct gfc_namespace *volatile_ns, *asynchronous_ns; | |
6de9cd9a DN |
789 | } |
790 | symbol_attribute; | |
791 | ||
792 | ||
8fc541d3 FXC |
793 | /* We need to store source lines as sequences of multibyte source |
794 | characters. We define here a type wide enough to hold any multibyte | |
795 | source character, just like libcpp does. A 32-bit type is enough. */ | |
796 | ||
797 | #if HOST_BITS_PER_INT >= 32 | |
798 | typedef unsigned int gfc_char_t; | |
799 | #elif HOST_BITS_PER_LONG >= 32 | |
800 | typedef unsigned long gfc_char_t; | |
801 | #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) | |
802 | typedef unsigned long long gfc_char_t; | |
803 | #else | |
804 | # error "Cannot find an integer type with at least 32 bits" | |
805 | #endif | |
806 | ||
807 | ||
d4fa05b9 | 808 | /* The following three structures are used to identify a location in |
949446f5 BF |
809 | the sources. |
810 | ||
d4fa05b9 TS |
811 | gfc_file is used to maintain a tree of the source files and how |
812 | they include each other | |
6de9cd9a | 813 | |
d4fa05b9 TS |
814 | gfc_linebuf holds a single line of source code and information |
815 | which file it resides in | |
6de9cd9a | 816 | |
d4fa05b9 | 817 | locus point to the sourceline and the character in the source |
949446f5 | 818 | line. |
d4fa05b9 | 819 | */ |
6de9cd9a | 820 | |
949446f5 | 821 | typedef struct gfc_file |
6de9cd9a | 822 | { |
1b271c9b | 823 | struct gfc_file *next, *up; |
d4fa05b9 TS |
824 | int inclusion_line, line; |
825 | char *filename; | |
826 | } gfc_file; | |
827 | ||
949446f5 | 828 | typedef struct gfc_linebuf |
d4fa05b9 | 829 | { |
c8cc8542 | 830 | source_location location; |
d4fa05b9 TS |
831 | struct gfc_file *file; |
832 | struct gfc_linebuf *next; | |
833 | ||
ba1defa5 | 834 | int truncated; |
9e8a6720 | 835 | bool dbg_emitted; |
ba1defa5 | 836 | |
8fc541d3 | 837 | gfc_char_t line[1]; |
d4fa05b9 | 838 | } gfc_linebuf; |
4cdf7223 PB |
839 | |
840 | #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) | |
841 | ||
5ffeb913 | 842 | #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) |
5ffeb913 | 843 | |
949446f5 | 844 | typedef struct |
d4fa05b9 | 845 | { |
8fc541d3 | 846 | gfc_char_t *nextc; |
d4fa05b9 TS |
847 | gfc_linebuf *lb; |
848 | } locus; | |
6de9cd9a | 849 | |
0ce0154c KG |
850 | /* In order for the "gfc" format checking to work correctly, you must |
851 | have declared a typedef locus first. */ | |
852 | #if GCC_VERSION >= 4001 | |
853 | #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) | |
854 | #else | |
855 | #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) | |
856 | #endif | |
857 | ||
6de9cd9a | 858 | |
a3d3c0f5 DK |
859 | /* Suppress error messages or re-enable them. */ |
860 | ||
861 | void gfc_push_suppress_errors (void); | |
862 | void gfc_pop_suppress_errors (void); | |
6de9cd9a DN |
863 | |
864 | ||
865 | /* Character length structures hold the expression that gives the | |
866 | length of a character variable. We avoid putting these into | |
867 | gfc_typespec because doing so prevents us from doing structure | |
868 | copies and forces us to deallocate any typespecs we create, as well | |
869 | as structures that contain typespecs. They also can have multiple | |
870 | character typespecs pointing to them. | |
871 | ||
872 | These structures form a singly linked list within the current | |
873 | namespace and are deallocated with the namespace. It is possible to | |
874 | end up with gfc_charlen structures that have nothing pointing to them. */ | |
875 | ||
876 | typedef struct gfc_charlen | |
877 | { | |
878 | struct gfc_expr *length; | |
879 | struct gfc_charlen *next; | |
c03fc95d | 880 | bool length_from_typespec; /* Length from explicit array ctor typespec? */ |
6de9cd9a | 881 | tree backend_decl; |
e69afb29 | 882 | tree passed_length; /* Length argument explicitly passed. */ |
110eec24 TS |
883 | |
884 | int resolved; | |
6de9cd9a DN |
885 | } |
886 | gfc_charlen; | |
887 | ||
ece3f663 | 888 | #define gfc_get_charlen() XCNEW (gfc_charlen) |
6de9cd9a | 889 | |
bc21d315 | 890 | /* Type specification structure. */ |
6de9cd9a DN |
891 | typedef struct |
892 | { | |
893 | bt type; | |
894 | int kind; | |
bc21d315 JW |
895 | |
896 | union | |
897 | { | |
898 | struct gfc_symbol *derived; /* For derived types only. */ | |
899 | gfc_charlen *cl; /* For character types only. */ | |
401fcd3b | 900 | int pad; /* For hollerith types only. */ |
bc21d315 JW |
901 | } |
902 | u; | |
903 | ||
32d99e68 | 904 | struct gfc_symbol *interface; /* For PROCEDURE declarations. */ |
a8b3b0b6 CR |
905 | int is_c_interop; |
906 | int is_iso_c; | |
e69afb29 SK |
907 | bt f90_type; |
908 | bool deferred; | |
6de9cd9a DN |
909 | } |
910 | gfc_typespec; | |
911 | ||
912 | /* Array specification. */ | |
913 | typedef struct | |
914 | { | |
915 | int rank; /* A rank of zero means that a variable is a scalar. */ | |
be59db2d | 916 | int corank; |
178f9aa1 | 917 | array_type type, cotype; |
6de9cd9a | 918 | struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; |
83d890b9 AL |
919 | |
920 | /* These two fields are used with the Cray Pointer extension. */ | |
921 | bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ | |
922 | bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to | |
923 | AS_EXPLICIT, but we want to remember that we | |
924 | did this. */ | |
925 | ||
6de9cd9a DN |
926 | } |
927 | gfc_array_spec; | |
928 | ||
ece3f663 | 929 | #define gfc_get_array_spec() XCNEW (gfc_array_spec) |
6de9cd9a DN |
930 | |
931 | ||
932 | /* Components of derived types. */ | |
933 | typedef struct gfc_component | |
934 | { | |
cb9e4f55 | 935 | const char *name; |
6de9cd9a DN |
936 | gfc_typespec ts; |
937 | ||
d4b7d0f0 | 938 | symbol_attribute attr; |
6de9cd9a DN |
939 | gfc_array_spec *as; |
940 | ||
941 | tree backend_decl; | |
b3c1b8a1 MM |
942 | /* Used to cache a FIELD_DECL matching this same component |
943 | but applied to a different backend containing type that was | |
944 | generated by gfc_nonrestricted_type. */ | |
945 | tree norestrict_decl; | |
6de9cd9a DN |
946 | locus loc; |
947 | struct gfc_expr *initializer; | |
948 | struct gfc_component *next; | |
713485cc | 949 | |
90661f26 | 950 | /* Needed for procedure pointer components. */ |
713485cc | 951 | struct gfc_formal_arglist *formal; |
7e196f89 | 952 | struct gfc_namespace *formal_ns; |
90661f26 | 953 | struct gfc_typebound_proc *tb; |
6de9cd9a DN |
954 | } |
955 | gfc_component; | |
956 | ||
ece3f663 | 957 | #define gfc_get_component() XCNEW (gfc_component) |
6de9cd9a DN |
958 | |
959 | /* Formal argument lists are lists of symbols. */ | |
960 | typedef struct gfc_formal_arglist | |
961 | { | |
4f613946 | 962 | /* Symbol representing the argument at this position in the arglist. */ |
6de9cd9a | 963 | struct gfc_symbol *sym; |
4f613946 | 964 | /* Points to the next formal argument. */ |
6de9cd9a DN |
965 | struct gfc_formal_arglist *next; |
966 | } | |
967 | gfc_formal_arglist; | |
968 | ||
ece3f663 | 969 | #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) |
6de9cd9a DN |
970 | |
971 | ||
972 | /* The gfc_actual_arglist structure is for actual arguments. */ | |
973 | typedef struct gfc_actual_arglist | |
974 | { | |
cb9e4f55 | 975 | const char *name; |
6de9cd9a DN |
976 | /* Alternate return label when the expr member is null. */ |
977 | struct gfc_st_label *label; | |
978 | ||
1600fe22 TS |
979 | /* This is set to the type of an eventual omitted optional |
980 | argument. This is used to determine if a hidden string length | |
981 | argument has to be added to a function call. */ | |
982 | bt missing_arg_type; | |
983 | ||
6de9cd9a DN |
984 | struct gfc_expr *expr; |
985 | struct gfc_actual_arglist *next; | |
986 | } | |
987 | gfc_actual_arglist; | |
988 | ||
ece3f663 | 989 | #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) |
6de9cd9a DN |
990 | |
991 | ||
992 | /* Because a symbol can belong to multiple namelists, they must be | |
993 | linked externally to the symbol itself. */ | |
994 | typedef struct gfc_namelist | |
995 | { | |
996 | struct gfc_symbol *sym; | |
997 | struct gfc_namelist *next; | |
998 | } | |
999 | gfc_namelist; | |
1000 | ||
ece3f663 | 1001 | #define gfc_get_namelist() XCNEW (gfc_namelist) |
6de9cd9a | 1002 | |
6c7a4dfd JJ |
1003 | enum |
1004 | { | |
1005 | OMP_LIST_PRIVATE, | |
1006 | OMP_LIST_FIRSTPRIVATE, | |
1007 | OMP_LIST_LASTPRIVATE, | |
1008 | OMP_LIST_COPYPRIVATE, | |
1009 | OMP_LIST_SHARED, | |
1010 | OMP_LIST_COPYIN, | |
1011 | OMP_LIST_PLUS, | |
1012 | OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS, | |
1013 | OMP_LIST_MULT, | |
1014 | OMP_LIST_SUB, | |
1015 | OMP_LIST_AND, | |
1016 | OMP_LIST_OR, | |
1017 | OMP_LIST_EQV, | |
1018 | OMP_LIST_NEQV, | |
1019 | OMP_LIST_MAX, | |
1020 | OMP_LIST_MIN, | |
1021 | OMP_LIST_IAND, | |
1022 | OMP_LIST_IOR, | |
1023 | OMP_LIST_IEOR, | |
1024 | OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR, | |
1025 | OMP_LIST_NUM | |
1026 | }; | |
1027 | ||
1028 | /* Because a symbol can belong to multiple namelists, they must be | |
1029 | linked externally to the symbol itself. */ | |
24b97832 ILT |
1030 | |
1031 | enum gfc_omp_sched_kind | |
1032 | { | |
1033 | OMP_SCHED_NONE, | |
1034 | OMP_SCHED_STATIC, | |
1035 | OMP_SCHED_DYNAMIC, | |
1036 | OMP_SCHED_GUIDED, | |
1037 | OMP_SCHED_RUNTIME, | |
1038 | OMP_SCHED_AUTO | |
1039 | }; | |
1040 | ||
1041 | enum gfc_omp_default_sharing | |
1042 | { | |
1043 | OMP_DEFAULT_UNKNOWN, | |
1044 | OMP_DEFAULT_NONE, | |
1045 | OMP_DEFAULT_PRIVATE, | |
1046 | OMP_DEFAULT_SHARED, | |
1047 | OMP_DEFAULT_FIRSTPRIVATE | |
1048 | }; | |
1049 | ||
6c7a4dfd JJ |
1050 | typedef struct gfc_omp_clauses |
1051 | { | |
1052 | struct gfc_expr *if_expr; | |
20906c66 | 1053 | struct gfc_expr *final_expr; |
6c7a4dfd JJ |
1054 | struct gfc_expr *num_threads; |
1055 | gfc_namelist *lists[OMP_LIST_NUM]; | |
24b97832 | 1056 | enum gfc_omp_sched_kind sched_kind; |
6c7a4dfd | 1057 | struct gfc_expr *chunk_size; |
24b97832 | 1058 | enum gfc_omp_default_sharing default_sharing; |
a68ab351 | 1059 | int collapse; |
20906c66 | 1060 | bool nowait, ordered, untied, mergeable; |
6c7a4dfd JJ |
1061 | } |
1062 | gfc_omp_clauses; | |
1063 | ||
ece3f663 | 1064 | #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) |
6c7a4dfd | 1065 | |
6de9cd9a | 1066 | |
d80c695f TS |
1067 | /* The gfc_st_label structure is a BBT attached to a namespace that |
1068 | records the usage of statement labels within that space. */ | |
1069 | ||
6de9cd9a DN |
1070 | typedef struct gfc_st_label |
1071 | { | |
5cf54585 TS |
1072 | BBT_HEADER(gfc_st_label); |
1073 | ||
6de9cd9a DN |
1074 | int value; |
1075 | ||
1076 | gfc_sl_type defined, referenced; | |
1077 | ||
1078 | struct gfc_expr *format; | |
1079 | ||
1080 | tree backend_decl; | |
1081 | ||
1082 | locus where; | |
6de9cd9a DN |
1083 | } |
1084 | gfc_st_label; | |
1085 | ||
1086 | ||
1087 | /* gfc_interface()-- Interfaces are lists of symbols strung together. */ | |
1088 | typedef struct gfc_interface | |
1089 | { | |
1090 | struct gfc_symbol *sym; | |
1091 | locus where; | |
1092 | struct gfc_interface *next; | |
1093 | } | |
1094 | gfc_interface; | |
1095 | ||
ece3f663 | 1096 | #define gfc_get_interface() XCNEW (gfc_interface) |
6de9cd9a | 1097 | |
6de9cd9a DN |
1098 | /* User operator nodes. These are like stripped down symbols. */ |
1099 | typedef struct | |
1100 | { | |
cb9e4f55 | 1101 | const char *name; |
6de9cd9a | 1102 | |
8b11b59f | 1103 | gfc_interface *op; |
6de9cd9a DN |
1104 | struct gfc_namespace *ns; |
1105 | gfc_access access; | |
1106 | } | |
1107 | gfc_user_op; | |
1108 | ||
30b608eb | 1109 | |
e157f736 DK |
1110 | /* A list of specific bindings that are associated with a generic spec. */ |
1111 | typedef struct gfc_tbp_generic | |
1112 | { | |
1113 | /* The parser sets specific_st, upon resolution we look for the corresponding | |
1114 | gfc_typebound_proc and set specific for further use. */ | |
1115 | struct gfc_symtree* specific_st; | |
1116 | struct gfc_typebound_proc* specific; | |
1117 | ||
1118 | struct gfc_tbp_generic* next; | |
1119 | } | |
1120 | gfc_tbp_generic; | |
1121 | ||
1122 | #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic) | |
1123 | ||
1124 | ||
30b608eb | 1125 | /* Data needed for type-bound procedures. */ |
e157f736 | 1126 | typedef struct gfc_typebound_proc |
30b608eb | 1127 | { |
e157f736 DK |
1128 | locus where; /* Where the PROCEDURE/GENERIC definition was. */ |
1129 | ||
1130 | union | |
1131 | { | |
b0e5fa94 | 1132 | struct gfc_symtree* specific; /* The interface if DEFERRED. */ |
e157f736 DK |
1133 | gfc_tbp_generic* generic; |
1134 | } | |
1135 | u; | |
30b608eb DK |
1136 | |
1137 | gfc_access access; | |
90661f26 | 1138 | const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */ |
30b608eb | 1139 | |
e157f736 DK |
1140 | /* The overridden type-bound proc (or GENERIC with this name in the |
1141 | parent-type) or NULL if non. */ | |
1142 | struct gfc_typebound_proc* overridden; | |
1143 | ||
30b608eb DK |
1144 | /* Once resolved, we use the position of pass_arg in the formal arglist of |
1145 | the binding-target procedure to identify it. The first argument has | |
8e1f752a | 1146 | number 1 here, the second 2, and so on. */ |
30b608eb DK |
1147 | unsigned pass_arg_num; |
1148 | ||
1149 | unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */ | |
1150 | unsigned non_overridable:1; | |
b0e5fa94 | 1151 | unsigned deferred:1; |
e157f736 DK |
1152 | unsigned is_generic:1; |
1153 | unsigned function:1, subroutine:1; | |
b82657f4 | 1154 | unsigned error:1; /* Ignore it, when an error occurred during resolution. */ |
90661f26 | 1155 | unsigned ppc:1; |
30b608eb DK |
1156 | } |
1157 | gfc_typebound_proc; | |
1158 | ||
1159 | ||
6de9cd9a DN |
1160 | /* Symbol nodes. These are important things. They are what the |
1161 | standard refers to as "entities". The possibly multiple names that | |
1162 | refer to the same entity are accomplished by a binary tree of | |
1163 | symtree structures that is balanced by the red-black method-- more | |
1164 | than one symtree node can point to any given symbol. */ | |
1165 | ||
1166 | typedef struct gfc_symbol | |
1167 | { | |
cb9e4f55 TS |
1168 | const char *name; /* Primary name, before renaming */ |
1169 | const char *module; /* Module this symbol came from */ | |
6de9cd9a DN |
1170 | locus declared_at; |
1171 | ||
1172 | gfc_typespec ts; | |
1173 | symbol_attribute attr; | |
1174 | ||
32d99e68 | 1175 | /* The formal member points to the formal argument list if the |
6de9cd9a DN |
1176 | symbol is a function or subroutine name. If the symbol is a |
1177 | generic name, the generic member points to the list of | |
1178 | interfaces. */ | |
1179 | ||
1180 | gfc_interface *generic; | |
1181 | gfc_access component_access; | |
1182 | ||
1183 | gfc_formal_arglist *formal; | |
1184 | struct gfc_namespace *formal_ns; | |
34523524 DK |
1185 | struct gfc_namespace *f2k_derived; |
1186 | ||
6de9cd9a DN |
1187 | struct gfc_expr *value; /* Parameter/Initializer value */ |
1188 | gfc_array_spec *as; | |
1189 | struct gfc_symbol *result; /* function result symbol */ | |
1190 | gfc_component *components; /* Derived type components */ | |
1191 | ||
83d890b9 AL |
1192 | /* Defined only for Cray pointees; points to their pointer. */ |
1193 | struct gfc_symbol *cp_pointer; | |
1194 | ||
cf2b3c22 TB |
1195 | int entry_id; /* Used in resolve.c for entries. */ |
1196 | ||
7c1dab0d JW |
1197 | /* CLASS hashed name for declared and dynamic types in the class. */ |
1198 | int hash_value; | |
cf2b3c22 | 1199 | |
9056bd70 | 1200 | struct gfc_symbol *common_next; /* Links for COMMON syms */ |
30aabb86 PT |
1201 | |
1202 | /* This is in fact a gfc_common_head but it is only used for pointer | |
1203 | comparisons to check if symbols are in the same common block. */ | |
1204 | struct gfc_common_head* common_head; | |
1205 | ||
6de9cd9a DN |
1206 | /* Make sure setup code for dummy arguments is generated in the correct |
1207 | order. */ | |
1208 | int dummy_order; | |
1209 | ||
1210 | gfc_namelist *namelist, *namelist_tail; | |
1211 | ||
1212 | /* Change management fields. Symbols that might be modified by the | |
1213 | current statement have the mark member nonzero and are kept in a | |
1214 | singly linked list through the tlink field. Of these symbols, | |
1215 | symbols with old_symbol equal to NULL are symbols created within | |
1216 | the current statement. Otherwise, old_symbol points to a copy of | |
1217 | the old symbol. */ | |
1218 | ||
1219 | struct gfc_symbol *old_symbol, *tlink; | |
8b11b59f | 1220 | unsigned mark:1, gfc_new:1; |
5291e69a PB |
1221 | /* Nonzero if all equivalences associated with this symbol have been |
1222 | processed. */ | |
1223 | unsigned equiv_built:1; | |
31708dc6 RS |
1224 | /* Set if this variable is used as an index name in a FORALL. */ |
1225 | unsigned forall_index:1; | |
6de9cd9a DN |
1226 | int refs; |
1227 | struct gfc_namespace *ns; /* namespace containing this symbol */ | |
1228 | ||
1229 | tree backend_decl; | |
a8b3b0b6 CR |
1230 | |
1231 | /* Identity of the intrinsic module the symbol comes from, or | |
1232 | INTMOD_NONE if it's not imported from a intrinsic module. */ | |
1233 | intmod_id from_intmod; | |
1234 | /* Identity of the symbol from intrinsic modules, from enums maintained | |
1235 | separately by each intrinsic module. Used together with from_intmod, | |
1236 | it uniquely identifies a symbol from an intrinsic module. */ | |
1237 | int intmod_sym_id; | |
1238 | ||
1239 | /* This may be repetitive, since the typespec now has a binding | |
1240 | label field. */ | |
1241 | char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1]; | |
1242 | /* Store a reference to the common_block, if this symbol is in one. */ | |
1243 | struct gfc_common_head *common_block; | |
03af1e4c DK |
1244 | |
1245 | /* Link to corresponding association-list if this is an associate name. */ | |
1246 | struct gfc_association_list *assoc; | |
6de9cd9a DN |
1247 | } |
1248 | gfc_symbol; | |
1249 | ||
1250 | ||
9056bd70 | 1251 | /* This structure is used to keep track of symbols in common blocks. */ |
30aabb86 | 1252 | typedef struct gfc_common_head |
9056bd70 TS |
1253 | { |
1254 | locus where; | |
6c7a4dfd | 1255 | char use_assoc, saved, threadprivate; |
53814b8f | 1256 | char name[GFC_MAX_SYMBOL_LEN + 1]; |
30aabb86 | 1257 | struct gfc_symbol *head; |
a8b3b0b6 CR |
1258 | char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1]; |
1259 | int is_bind_c; | |
949446f5 | 1260 | } |
9056bd70 TS |
1261 | gfc_common_head; |
1262 | ||
ece3f663 | 1263 | #define gfc_get_common_head() XCNEW (gfc_common_head) |
9056bd70 TS |
1264 | |
1265 | ||
3d79abbd PB |
1266 | /* A list of all the alternate entry points for a procedure. */ |
1267 | ||
1268 | typedef struct gfc_entry_list | |
1269 | { | |
1270 | /* The symbol for this entry point. */ | |
1271 | gfc_symbol *sym; | |
1272 | /* The zero-based id of this entry point. */ | |
1273 | int id; | |
1274 | /* The LABEL_EXPR marking this entry point. */ | |
1275 | tree label; | |
1933ba0f | 1276 | /* The next item in the list. */ |
3d79abbd PB |
1277 | struct gfc_entry_list *next; |
1278 | } | |
1279 | gfc_entry_list; | |
1280 | ||
93acb62c | 1281 | #define gfc_get_entry_list() XCNEW (gfc_entry_list) |
9056bd70 | 1282 | |
a64f5186 JJ |
1283 | /* Lists of rename info for the USE statement. */ |
1284 | ||
1285 | typedef struct gfc_use_rename | |
1286 | { | |
1287 | char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1]; | |
1288 | struct gfc_use_rename *next; | |
1289 | int found; | |
1290 | gfc_intrinsic_op op; | |
1291 | locus where; | |
1292 | } | |
1293 | gfc_use_rename; | |
1294 | ||
1295 | #define gfc_get_use_rename() XCNEW (gfc_use_rename); | |
1296 | ||
1297 | /* A list of all USE statements in a namespace. */ | |
1298 | ||
1299 | typedef struct gfc_use_list | |
1300 | { | |
1301 | const char *module_name; | |
1302 | int only_flag; | |
1303 | struct gfc_use_rename *rename; | |
9268ba9a | 1304 | locus where; |
a64f5186 JJ |
1305 | /* Next USE statement. */ |
1306 | struct gfc_use_list *next; | |
1307 | } | |
1308 | gfc_use_list; | |
1309 | ||
93acb62c | 1310 | #define gfc_get_use_list() XCNEW (gfc_use_list) |
a64f5186 | 1311 | |
6de9cd9a DN |
1312 | /* Within a namespace, symbols are pointed to by symtree nodes that |
1313 | are linked together in a balanced binary tree. There can be | |
1314 | several symtrees pointing to the same symbol node via USE | |
1315 | statements. */ | |
1316 | ||
6de9cd9a DN |
1317 | typedef struct gfc_symtree |
1318 | { | |
1319 | BBT_HEADER (gfc_symtree); | |
cb9e4f55 | 1320 | const char *name; |
6de9cd9a DN |
1321 | int ambiguous; |
1322 | union | |
1323 | { | |
1324 | gfc_symbol *sym; /* Symbol associated with this node */ | |
1325 | gfc_user_op *uop; | |
9056bd70 | 1326 | gfc_common_head *common; |
e34ccb4c | 1327 | gfc_typebound_proc *tb; |
6de9cd9a DN |
1328 | } |
1329 | n; | |
6de9cd9a DN |
1330 | } |
1331 | gfc_symtree; | |
1332 | ||
6b887797 PT |
1333 | /* A linked list of derived types in the namespace. */ |
1334 | typedef struct gfc_dt_list | |
1335 | { | |
1336 | struct gfc_symbol *derived; | |
1337 | struct gfc_dt_list *next; | |
1338 | } | |
1339 | gfc_dt_list; | |
1340 | ||
ece3f663 | 1341 | #define gfc_get_dt_list() XCNEW (gfc_dt_list) |
6b887797 | 1342 | |
7453378e PT |
1343 | /* A list of all derived types. */ |
1344 | extern gfc_dt_list *gfc_derived_types; | |
6b887797 | 1345 | |
9abe5e56 DK |
1346 | /* A namespace describes the contents of procedure, module, interface block |
1347 | or BLOCK construct. */ | |
3d79abbd PB |
1348 | /* ??? Anything else use these? */ |
1349 | ||
6de9cd9a DN |
1350 | typedef struct gfc_namespace |
1351 | { | |
4f613946 TS |
1352 | /* Tree containing all the symbols in this namespace. */ |
1353 | gfc_symtree *sym_root; | |
1354 | /* Tree containing all the user-defined operators in the namespace. */ | |
1355 | gfc_symtree *uop_root; | |
1356 | /* Tree containing all the common blocks. */ | |
949446f5 | 1357 | gfc_symtree *common_root; |
e34ccb4c DK |
1358 | |
1359 | /* Tree containing type-bound procedures. */ | |
1360 | gfc_symtree *tb_sym_root; | |
94747289 DK |
1361 | /* Type-bound user operators. */ |
1362 | gfc_symtree *tb_uop_root; | |
1363 | /* For derived-types, store type-bound intrinsic operators here. */ | |
1364 | gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS]; | |
34523524 DK |
1365 | /* Linked list of finalizer procedures. */ |
1366 | struct gfc_finalizer *finalizers; | |
6de9cd9a | 1367 | |
4f613946 | 1368 | /* If set_flag[letter] is set, an implicit type has been set for letter. */ |
6de9cd9a | 1369 | int set_flag[GFC_LETTERS]; |
4f613946 TS |
1370 | /* Keeps track of the implicit types associated with the letters. */ |
1371 | gfc_typespec default_type[GFC_LETTERS]; | |
52f49934 DK |
1372 | /* Store the positions of IMPLICIT statements. */ |
1373 | locus implicit_loc[GFC_LETTERS]; | |
6de9cd9a | 1374 | |
4f613946 | 1375 | /* If this is a namespace of a procedure, this points to the procedure. */ |
6de9cd9a | 1376 | struct gfc_symbol *proc_name; |
4f613946 TS |
1377 | /* If this is the namespace of a unit which contains executable |
1378 | code, this points to it. */ | |
6de9cd9a | 1379 | struct gfc_code *code; |
4f613946 TS |
1380 | |
1381 | /* Points to the equivalences set up in this namespace. */ | |
31fee91e | 1382 | struct gfc_equiv *equiv, *old_equiv; |
61321991 PT |
1383 | |
1384 | /* Points to the equivalence groups produced by trans_common. */ | |
1385 | struct gfc_equiv_list *equiv_lists; | |
1386 | ||
a1ee985f | 1387 | gfc_interface *op[GFC_INTRINSIC_OPS]; |
4f613946 TS |
1388 | |
1389 | /* Points to the parent namespace, i.e. the namespace of a module or | |
1390 | procedure in which the procedure belonging to this namespace is | |
1391 | contained. The parent namespace points to this namespace either | |
1392 | directly via CONTAINED, or indirectly via the chain built by | |
1393 | SIBLING. */ | |
1394 | struct gfc_namespace *parent; | |
1395 | /* CONTAINED points to the first contained namespace. Sibling | |
1396 | namespaces are chained via SIBLING. */ | |
1397 | struct gfc_namespace *contained, *sibling; | |
1398 | ||
1399 | gfc_common_head blank_common; | |
6de9cd9a DN |
1400 | gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; |
1401 | ||
1402 | gfc_st_label *st_labels; | |
294fbfc8 TS |
1403 | /* This list holds information about all the data initializers in |
1404 | this namespace. */ | |
6de9cd9a DN |
1405 | struct gfc_data *data; |
1406 | ||
27f31e39 | 1407 | gfc_charlen *cl_list, *old_cl_list; |
6de9cd9a | 1408 | |
3af8d8cb PT |
1409 | gfc_dt_list *derived_types; |
1410 | ||
4c1f4f52 | 1411 | int save_all, seen_save, seen_implicit_none; |
3d79abbd PB |
1412 | |
1413 | /* Normally we don't need to refcount namespaces. However when we read | |
1414 | a module containing a function with multiple entry points, this | |
1415 | will appear as several functions with the same formal namespace. */ | |
1416 | int refs; | |
1417 | ||
1418 | /* A list of all alternate entry points to this procedure (or NULL). */ | |
1419 | gfc_entry_list *entries; | |
0de4325e | 1420 | |
a64f5186 JJ |
1421 | /* A list of USE statements in this namespace. */ |
1422 | gfc_use_list *use_stmts; | |
1423 | ||
0de4325e | 1424 | /* Set to 1 if namespace is a BLOCK DATA program unit. */ |
9abe5e56 | 1425 | unsigned is_block_data:1; |
8998be20 TB |
1426 | |
1427 | /* Set to 1 if namespace is an interface body with "IMPORT" used. */ | |
9abe5e56 | 1428 | unsigned has_import_set:1; |
71a7778c | 1429 | |
204803dc JR |
1430 | /* Set to 1 if resolved has been called for this namespace. |
1431 | Holds -1 during resolution. */ | |
1432 | signed resolved:2; | |
3af8d8cb PT |
1433 | |
1434 | /* Set to 1 if code has been generated for this namespace. */ | |
9abe5e56 DK |
1435 | unsigned translated:1; |
1436 | ||
1437 | /* Set to 1 if symbols in this namespace should be 'construct entities', | |
1438 | i.e. for BLOCK local variables. */ | |
1439 | unsigned construct_entities:1; | |
6de9cd9a DN |
1440 | } |
1441 | gfc_namespace; | |
1442 | ||
1443 | extern gfc_namespace *gfc_current_ns; | |
71a7778c | 1444 | extern gfc_namespace *gfc_global_ns_list; |
6de9cd9a | 1445 | |
c9543002 TS |
1446 | /* Global symbols are symbols of global scope. Currently we only use |
1447 | this to detect collisions already when parsing. | |
1448 | TODO: Extend to verify procedure calls. */ | |
1449 | ||
32e8bb8e ILT |
1450 | enum gfc_symbol_type |
1451 | { | |
1452 | GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, | |
1453 | GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA | |
1454 | }; | |
1455 | ||
c9543002 TS |
1456 | typedef struct gfc_gsymbol |
1457 | { | |
1458 | BBT_HEADER(gfc_gsymbol); | |
1459 | ||
973a384d | 1460 | const char *name; |
a8b3b0b6 CR |
1461 | const char *sym_name; |
1462 | const char *mod_name; | |
1463 | const char *binding_label; | |
32e8bb8e | 1464 | enum gfc_symbol_type type; |
c9543002 TS |
1465 | |
1466 | int defined, used; | |
1467 | locus where; | |
71a7778c | 1468 | gfc_namespace *ns; |
c9543002 TS |
1469 | } |
1470 | gfc_gsymbol; | |
1471 | ||
1472 | extern gfc_gsymbol *gfc_gsym_root; | |
6de9cd9a DN |
1473 | |
1474 | /* Information on interfaces being built. */ | |
1475 | typedef struct | |
1476 | { | |
1477 | interface_type type; | |
1478 | gfc_symbol *sym; | |
1479 | gfc_namespace *ns; | |
1480 | gfc_user_op *uop; | |
1481 | gfc_intrinsic_op op; | |
1482 | } | |
1483 | gfc_interface_info; | |
1484 | ||
1485 | extern gfc_interface_info current_interface; | |
1486 | ||
1487 | ||
1488 | /* Array reference. */ | |
32e8bb8e ILT |
1489 | |
1490 | enum gfc_array_ref_dimen_type | |
1491 | { | |
a3935ffc | 1492 | DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN |
32e8bb8e ILT |
1493 | }; |
1494 | ||
6de9cd9a DN |
1495 | typedef struct gfc_array_ref |
1496 | { | |
1497 | ar_type type; | |
1498 | int dimen; /* # of components in the reference */ | |
d3a9eea2 TB |
1499 | int codimen; |
1500 | bool in_allocate; /* For coarray checks. */ | |
6de9cd9a DN |
1501 | locus where; |
1502 | gfc_array_spec *as; | |
1503 | ||
1504 | locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ | |
1505 | struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], | |
1506 | *stride[GFC_MAX_DIMENSIONS]; | |
1507 | ||
32e8bb8e | 1508 | enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS]; |
6de9cd9a DN |
1509 | |
1510 | struct gfc_expr *offset; | |
1511 | } | |
1512 | gfc_array_ref; | |
1513 | ||
ece3f663 | 1514 | #define gfc_get_array_ref() XCNEW (gfc_array_ref) |
6de9cd9a DN |
1515 | |
1516 | ||
1517 | /* Component reference nodes. A variable is stored as an expression | |
1518 | node that points to the base symbol. After that, a singly linked | |
1519 | list of component reference nodes gives the variable's complete | |
1520 | resolution. The array_ref component may be present and comes | |
1521 | before the component component. */ | |
1522 | ||
1523 | typedef enum | |
1524 | { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING } | |
1525 | ref_type; | |
1526 | ||
1527 | typedef struct gfc_ref | |
1528 | { | |
1529 | ref_type type; | |
1530 | ||
1531 | union | |
1532 | { | |
1533 | struct gfc_array_ref ar; | |
1534 | ||
1535 | struct | |
1536 | { | |
1537 | gfc_component *component; | |
1538 | gfc_symbol *sym; | |
1539 | } | |
1540 | c; | |
1541 | ||
1542 | struct | |
1543 | { | |
1544 | struct gfc_expr *start, *end; /* Substring */ | |
1545 | gfc_charlen *length; | |
1546 | } | |
1547 | ss; | |
1548 | ||
1549 | } | |
1550 | u; | |
1551 | ||
1552 | struct gfc_ref *next; | |
1553 | } | |
1554 | gfc_ref; | |
1555 | ||
ece3f663 | 1556 | #define gfc_get_ref() XCNEW (gfc_ref) |
6de9cd9a DN |
1557 | |
1558 | ||
1559 | /* Structures representing intrinsic symbols and their arguments lists. */ | |
1560 | typedef struct gfc_intrinsic_arg | |
1561 | { | |
1562 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
1563 | ||
1564 | gfc_typespec ts; | |
47b99694 | 1565 | unsigned optional:1, value:1; |
23e38561 | 1566 | ENUM_BITFIELD (sym_intent) intent:2; |
6de9cd9a DN |
1567 | gfc_actual_arglist *actual; |
1568 | ||
1569 | struct gfc_intrinsic_arg *next; | |
1570 | ||
1571 | } | |
1572 | gfc_intrinsic_arg; | |
1573 | ||
1574 | ||
4f613946 TS |
1575 | /* Specifies the various kinds of check functions used to verify the |
1576 | argument lists of intrinsic functions. fX with X an integer refer | |
1577 | to check functions of intrinsics with X arguments. f1m is used for | |
1578 | the MAX and MIN intrinsics which can have an arbitrary number of | |
1579 | arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as | |
1580 | these have special semantics. */ | |
1581 | ||
6de9cd9a DN |
1582 | typedef union |
1583 | { | |
17b1d2a0 KG |
1584 | gfc_try (*f0)(void); |
1585 | gfc_try (*f1)(struct gfc_expr *); | |
1586 | gfc_try (*f1m)(gfc_actual_arglist *); | |
1587 | gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *); | |
1588 | gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1589 | gfc_try (*f3ml)(gfc_actual_arglist *); | |
1590 | gfc_try (*f3red)(gfc_actual_arglist *); | |
1591 | gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
6de9cd9a | 1592 | struct gfc_expr *); |
17b1d2a0 | 1593 | gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, |
6de9cd9a DN |
1594 | struct gfc_expr *, struct gfc_expr *); |
1595 | } | |
1596 | gfc_check_f; | |
1597 | ||
4f613946 TS |
1598 | /* Like gfc_check_f, these specify the type of the simplification |
1599 | function associated with an intrinsic. The fX are just like in | |
1600 | gfc_check_f. cc is used for type conversion functions. */ | |
6de9cd9a DN |
1601 | |
1602 | typedef union | |
1603 | { | |
4c0c6b9f | 1604 | struct gfc_expr *(*f0)(void); |
6de9cd9a DN |
1605 | struct gfc_expr *(*f1)(struct gfc_expr *); |
1606 | struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); | |
1607 | struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, | |
1608 | struct gfc_expr *); | |
1609 | struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, | |
1610 | struct gfc_expr *, struct gfc_expr *); | |
1611 | struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, | |
1612 | struct gfc_expr *, struct gfc_expr *, | |
1613 | struct gfc_expr *); | |
1614 | struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); | |
1615 | } | |
1616 | gfc_simplify_f; | |
1617 | ||
4f613946 | 1618 | /* Again like gfc_check_f, these specify the type of the resolution |
13795658 | 1619 | function associated with an intrinsic. The fX are just like in |
66e4ab31 | 1620 | gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ |
6de9cd9a DN |
1621 | |
1622 | typedef union | |
1623 | { | |
1624 | void (*f0)(struct gfc_expr *); | |
1625 | void (*f1)(struct gfc_expr *, struct gfc_expr *); | |
1626 | void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); | |
1627 | void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1628 | void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1629 | struct gfc_expr *); | |
1630 | void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1631 | struct gfc_expr *, struct gfc_expr *); | |
1632 | void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1633 | struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1634 | void (*s1)(struct gfc_code *); | |
1635 | } | |
1636 | gfc_resolve_f; | |
1637 | ||
1638 | ||
1639 | typedef struct gfc_intrinsic_sym | |
1640 | { | |
cb9e4f55 | 1641 | const char *name, *lib_name; |
6de9cd9a DN |
1642 | gfc_intrinsic_arg *formal; |
1643 | gfc_typespec ts; | |
e1633d82 | 1644 | unsigned elemental:1, inquiry:1, transformational:1, pure:1, |
d000aa67 TB |
1645 | generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1, |
1646 | from_module:1; | |
e1633d82 DF |
1647 | |
1648 | int standard; | |
6de9cd9a DN |
1649 | |
1650 | gfc_simplify_f simplify; | |
1651 | gfc_check_f check; | |
1652 | gfc_resolve_f resolve; | |
1653 | struct gfc_intrinsic_sym *specific_head, *next; | |
cd5ecab6 | 1654 | gfc_isym_id id; |
6de9cd9a DN |
1655 | |
1656 | } | |
1657 | gfc_intrinsic_sym; | |
1658 | ||
1659 | ||
1660 | /* Expression nodes. The expression node types deserve explanations, | |
1661 | since the last couple can be easily misconstrued: | |
1662 | ||
1663 | EXPR_OP Operator node pointing to one or two other nodes | |
1664 | EXPR_FUNCTION Function call, symbol points to function's name | |
1665 | EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex | |
1666 | EXPR_VARIABLE An Lvalue with a root symbol and possible reference list | |
8e1f752a | 1667 | which expresses structure, array and substring refs. |
6de9cd9a DN |
1668 | EXPR_NULL The NULL pointer value (which also has a basic type). |
1669 | EXPR_SUBSTRING A substring of a constant string | |
1670 | EXPR_STRUCTURE A structure constructor | |
8e1f752a DK |
1671 | EXPR_ARRAY An array constructor. |
1672 | EXPR_COMPCALL Function (or subroutine) call of a procedure pointer | |
1673 | component or type-bound procedure. */ | |
6de9cd9a DN |
1674 | |
1675 | #include <gmp.h> | |
f8e566e5 | 1676 | #include <mpfr.h> |
eb6f9a86 | 1677 | #include <mpc.h> |
f8e566e5 | 1678 | #define GFC_RND_MODE GMP_RNDN |
f6b855df | 1679 | #define GFC_MPC_RND_MODE MPC_RNDNN |
6de9cd9a | 1680 | |
b7e75771 JD |
1681 | typedef splay_tree gfc_constructor_base; |
1682 | ||
6de9cd9a DN |
1683 | typedef struct gfc_expr |
1684 | { | |
1685 | expr_t expr_type; | |
1686 | ||
1687 | gfc_typespec ts; /* These two refer to the overall expression */ | |
1688 | ||
1689 | int rank; | |
1690 | mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ | |
1691 | ||
4a44a72d DK |
1692 | /* Nonnull for functions and structure constructors, may also used to hold the |
1693 | base-object for component calls. */ | |
6de9cd9a DN |
1694 | gfc_symtree *symtree; |
1695 | ||
6de9cd9a DN |
1696 | gfc_ref *ref; |
1697 | ||
6de9cd9a DN |
1698 | locus where; |
1699 | ||
712efae1 | 1700 | /* is_boz is true if the integer is regarded as BOZ bitpatten and is_snan |
346a77d1 | 1701 | denotes a signalling not-a-number. */ |
712efae1 | 1702 | unsigned int is_boz : 1, is_snan : 1; |
20585ad6 | 1703 | |
ebb479cd PT |
1704 | /* Sometimes, when an error has been emitted, it is necessary to prevent |
1705 | it from recurring. */ | |
1706 | unsigned int error : 1; | |
a1ab6660 | 1707 | |
94bff632 | 1708 | /* Mark an expression where a user operator has been substituted by |
a1ab6660 PT |
1709 | a function call in interface.c(gfc_extend_expr). */ |
1710 | unsigned int user_operator : 1; | |
ebb479cd | 1711 | |
94bff632 JW |
1712 | /* Mark an expression as being a MOLD argument of ALLOCATE. */ |
1713 | unsigned int mold : 1; | |
1714 | ||
20585ad6 BM |
1715 | /* If an expression comes from a Hollerith constant or compile-time |
1716 | evaluation of a transfer statement, it may have a prescribed target- | |
1717 | memory representation, and these cannot always be backformed from | |
1718 | the value. */ | |
1719 | struct | |
1720 | { | |
1721 | int length; | |
1722 | char *string; | |
1723 | } | |
1724 | representation; | |
1725 | ||
6de9cd9a DN |
1726 | union |
1727 | { | |
6de9cd9a | 1728 | int logical; |
20585ad6 | 1729 | |
ad7ee6f8 JD |
1730 | io_kind iokind; |
1731 | ||
f8e566e5 SK |
1732 | mpz_t integer; |
1733 | ||
1734 | mpfr_t real; | |
6de9cd9a | 1735 | |
d0d92baf | 1736 | mpc_t complex; |
6de9cd9a | 1737 | |
58b03ab2 TS |
1738 | struct |
1739 | { | |
a1ee985f | 1740 | gfc_intrinsic_op op; |
58b03ab2 TS |
1741 | gfc_user_op *uop; |
1742 | struct gfc_expr *op1, *op2; | |
1743 | } | |
1744 | op; | |
1745 | ||
6de9cd9a DN |
1746 | struct |
1747 | { | |
1748 | gfc_actual_arglist *actual; | |
6b25a558 | 1749 | const char *name; /* Points to the ultimate name of the function */ |
6de9cd9a DN |
1750 | gfc_intrinsic_sym *isym; |
1751 | gfc_symbol *esym; | |
1752 | } | |
1753 | function; | |
1754 | ||
8e1f752a DK |
1755 | struct |
1756 | { | |
1757 | gfc_actual_arglist* actual; | |
e157f736 | 1758 | const char* name; |
4a44a72d DK |
1759 | /* Base-object, whose component was called. NULL means that it should |
1760 | be taken from symtree/ref. */ | |
1761 | struct gfc_expr* base_object; | |
1762 | gfc_typebound_proc* tbp; /* Should overlap with esym. */ | |
1763 | ||
1764 | /* For type-bound operators, we want to call PASS procedures but already | |
1765 | have the full arglist; mark this, so that it is not extended by the | |
1766 | PASS argument. */ | |
1767 | unsigned ignore_pass:1; | |
1768 | ||
1769 | /* Do assign-calls rather than calls, that is appropriate dependency | |
1770 | checking. */ | |
1771 | unsigned assign:1; | |
8e1f752a DK |
1772 | } |
1773 | compcall; | |
1774 | ||
6de9cd9a DN |
1775 | struct |
1776 | { | |
1777 | int length; | |
00660189 | 1778 | gfc_char_t *string; |
6de9cd9a DN |
1779 | } |
1780 | character; | |
1781 | ||
b7e75771 | 1782 | gfc_constructor_base constructor; |
6de9cd9a DN |
1783 | } |
1784 | value; | |
1785 | ||
1786 | } | |
1787 | gfc_expr; | |
1788 | ||
1789 | ||
93acb62c | 1790 | #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank))) |
6de9cd9a DN |
1791 | |
1792 | /* Structures for information associated with different kinds of | |
1793 | numbers. The first set of integer parameters define all there is | |
1794 | to know about a particular kind. The rest of the elements are | |
1795 | computed from the first elements. */ | |
1796 | ||
1797 | typedef struct | |
1798 | { | |
e2cad04b | 1799 | /* Values really representable by the target. */ |
7bee49dc | 1800 | mpz_t huge, pedantic_min_int, min_int; |
e2cad04b RH |
1801 | |
1802 | int kind, radix, digits, bit_size, range; | |
1803 | ||
1804 | /* True if the C type of the given name maps to this precision. | |
1805 | Note that more than one bit can be set. */ | |
1806 | unsigned int c_char : 1; | |
1807 | unsigned int c_short : 1; | |
1808 | unsigned int c_int : 1; | |
1809 | unsigned int c_long : 1; | |
1810 | unsigned int c_long_long : 1; | |
6de9cd9a DN |
1811 | } |
1812 | gfc_integer_info; | |
1813 | ||
1814 | extern gfc_integer_info gfc_integer_kinds[]; | |
1815 | ||
1816 | ||
1817 | typedef struct | |
1818 | { | |
1819 | int kind, bit_size; | |
1820 | ||
e2cad04b RH |
1821 | /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ |
1822 | unsigned int c_bool : 1; | |
6de9cd9a DN |
1823 | } |
1824 | gfc_logical_info; | |
1825 | ||
1826 | extern gfc_logical_info gfc_logical_kinds[]; | |
1827 | ||
1828 | ||
1829 | typedef struct | |
1830 | { | |
2d0aa65f | 1831 | mpfr_t epsilon, huge, tiny, subnormal; |
6de9cd9a | 1832 | int kind, radix, digits, min_exponent, max_exponent; |
6de9cd9a | 1833 | int range, precision; |
e2cad04b RH |
1834 | |
1835 | /* The precision of the type as reported by GET_MODE_PRECISION. */ | |
1836 | int mode_precision; | |
1837 | ||
1838 | /* True if the C type of the given name maps to this precision. | |
1839 | Note that more than one bit can be set. */ | |
1840 | unsigned int c_float : 1; | |
1841 | unsigned int c_double : 1; | |
1842 | unsigned int c_long_double : 1; | |
a3c85b74 | 1843 | unsigned int c_float128 : 1; |
6de9cd9a DN |
1844 | } |
1845 | gfc_real_info; | |
1846 | ||
1847 | extern gfc_real_info gfc_real_kinds[]; | |
1848 | ||
374929b2 FXC |
1849 | typedef struct |
1850 | { | |
1851 | int kind, bit_size; | |
1852 | const char *name; | |
1853 | } | |
1854 | gfc_character_info; | |
1855 | ||
1856 | extern gfc_character_info gfc_character_kinds[]; | |
1857 | ||
6de9cd9a DN |
1858 | |
1859 | /* Equivalence structures. Equivalent lvalues are linked along the | |
1860 | *eq pointer, equivalence sets are strung along the *next node. */ | |
1861 | typedef struct gfc_equiv | |
1862 | { | |
1863 | struct gfc_equiv *next, *eq; | |
1864 | gfc_expr *expr; | |
30aabb86 | 1865 | const char *module; |
6de9cd9a DN |
1866 | int used; |
1867 | } | |
1868 | gfc_equiv; | |
1869 | ||
ece3f663 | 1870 | #define gfc_get_equiv() XCNEW (gfc_equiv) |
6de9cd9a | 1871 | |
61321991 PT |
1872 | /* Holds a single equivalence member after processing. */ |
1873 | typedef struct gfc_equiv_info | |
1874 | { | |
1875 | gfc_symbol *sym; | |
1876 | HOST_WIDE_INT offset; | |
37311e71 | 1877 | HOST_WIDE_INT length; |
61321991 PT |
1878 | struct gfc_equiv_info *next; |
1879 | } gfc_equiv_info; | |
1880 | ||
1881 | /* Holds equivalence groups, after they have been processed. */ | |
1882 | typedef struct gfc_equiv_list | |
1883 | { | |
1884 | gfc_equiv_info *equiv; | |
1885 | struct gfc_equiv_list *next; | |
1886 | } gfc_equiv_list; | |
6de9cd9a DN |
1887 | |
1888 | /* gfc_case stores the selector list of a case statement. The *low | |
1889 | and *high pointers can point to the same expression in the case of | |
1890 | a single value. If *high is NULL, the selection is from *low | |
1891 | upwards, if *low is NULL the selection is *high downwards. | |
1892 | ||
410d1a45 SK |
1893 | This structure has separate fields to allow single and double linked |
1894 | lists of CASEs at the same time. The singe linked list along the NEXT | |
6de9cd9a DN |
1895 | field is a list of cases for a single CASE label. The double linked |
1896 | list along the LEFT/RIGHT fields is used to detect overlap and to | |
1897 | build a table of the cases for SELECT constructs with a CHARACTER | |
1898 | case expression. */ | |
1899 | ||
1900 | typedef struct gfc_case | |
1901 | { | |
1902 | /* Where we saw this case. */ | |
1903 | locus where; | |
1904 | int n; | |
1905 | ||
1906 | /* Case range values. If (low == high), it's a single value. If one of | |
1907 | the labels is NULL, it's an unbounded case. If both are NULL, this | |
1908 | represents the default case. */ | |
1909 | gfc_expr *low, *high; | |
1910 | ||
cf2b3c22 TB |
1911 | /* Only used for SELECT TYPE. */ |
1912 | gfc_typespec ts; | |
1913 | ||
6de9cd9a DN |
1914 | /* Next case label in the list of cases for a single CASE label. */ |
1915 | struct gfc_case *next; | |
1916 | ||
1917 | /* Used for detecting overlap, and for code generation. */ | |
1918 | struct gfc_case *left, *right; | |
1919 | ||
1920 | /* True if this case label can never be matched. */ | |
1921 | int unreachable; | |
1922 | } | |
1923 | gfc_case; | |
1924 | ||
ece3f663 | 1925 | #define gfc_get_case() XCNEW (gfc_case) |
6de9cd9a DN |
1926 | |
1927 | ||
1928 | typedef struct | |
1929 | { | |
1930 | gfc_expr *var, *start, *end, *step; | |
1931 | } | |
1932 | gfc_iterator; | |
1933 | ||
ece3f663 | 1934 | #define gfc_get_iterator() XCNEW (gfc_iterator) |
6de9cd9a DN |
1935 | |
1936 | ||
f7b529fa | 1937 | /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ |
6de9cd9a DN |
1938 | |
1939 | typedef struct gfc_alloc | |
1940 | { | |
1941 | gfc_expr *expr; | |
1942 | struct gfc_alloc *next; | |
1943 | } | |
1944 | gfc_alloc; | |
1945 | ||
ece3f663 | 1946 | #define gfc_get_alloc() XCNEW (gfc_alloc) |
6de9cd9a DN |
1947 | |
1948 | ||
1949 | typedef struct | |
1950 | { | |
1951 | gfc_expr *unit, *file, *status, *access, *form, *recl, | |
6f0f0b2e | 1952 | *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, |
9ad55c33 | 1953 | *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit; |
6de9cd9a DN |
1954 | gfc_st_label *err; |
1955 | } | |
1956 | gfc_open; | |
1957 | ||
1958 | ||
1959 | typedef struct | |
1960 | { | |
7aba8abe | 1961 | gfc_expr *unit, *status, *iostat, *iomsg; |
6de9cd9a DN |
1962 | gfc_st_label *err; |
1963 | } | |
1964 | gfc_close; | |
1965 | ||
1966 | ||
1967 | typedef struct | |
1968 | { | |
7aba8abe | 1969 | gfc_expr *unit, *iostat, *iomsg; |
6de9cd9a DN |
1970 | gfc_st_label *err; |
1971 | } | |
1972 | gfc_filepos; | |
1973 | ||
1974 | ||
1975 | typedef struct | |
1976 | { | |
1977 | gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, | |
1978 | *name, *access, *sequential, *direct, *form, *formatted, | |
1979 | *unformatted, *recl, *nextrec, *blank, *position, *action, *read, | |
6f0f0b2e JD |
1980 | *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, |
1981 | *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id; | |
6de9cd9a DN |
1982 | |
1983 | gfc_st_label *err; | |
1984 | ||
1985 | } | |
1986 | gfc_inquire; | |
1987 | ||
1988 | ||
1989 | typedef struct | |
1990 | { | |
6f0f0b2e JD |
1991 | gfc_expr *unit, *iostat, *iomsg, *id; |
1992 | gfc_st_label *err, *end, *eor; | |
1993 | } | |
1994 | gfc_wait; | |
1995 | ||
1996 | ||
1997 | typedef struct | |
1998 | { | |
1999 | gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, | |
2000 | *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, | |
8e8dc060 | 2001 | *sign, *extra_comma, *dt_io_kind; |
6de9cd9a DN |
2002 | |
2003 | gfc_symbol *namelist; | |
2004 | /* A format_label of `format_asterisk' indicates the "*" format */ | |
2005 | gfc_st_label *format_label; | |
2006 | gfc_st_label *err, *end, *eor; | |
2007 | ||
e0e85e06 | 2008 | locus eor_where, end_where, err_where; |
6de9cd9a DN |
2009 | } |
2010 | gfc_dt; | |
2011 | ||
2012 | ||
2013 | typedef struct gfc_forall_iterator | |
2014 | { | |
2015 | gfc_expr *var, *start, *end, *stride; | |
2016 | struct gfc_forall_iterator *next; | |
2017 | } | |
2018 | gfc_forall_iterator; | |
2019 | ||
2020 | ||
03af1e4c DK |
2021 | /* Linked list to store associations in an ASSOCIATE statement. */ |
2022 | ||
2023 | typedef struct gfc_association_list | |
2024 | { | |
2025 | struct gfc_association_list *next; | |
2026 | ||
2027 | /* Whether this is association to a variable that can be changed; otherwise, | |
2028 | it's association to an expression and the name may not be used as | |
2029 | lvalue. */ | |
2030 | unsigned variable:1; | |
2031 | ||
3e78238a DK |
2032 | /* True if this struct is currently only linked to from a gfc_symbol rather |
2033 | than as part of a real list in gfc_code->ext.block.assoc. This may | |
2034 | happen for SELECT TYPE temporaries and must be considered | |
2035 | for memory handling. */ | |
2036 | unsigned dangling:1; | |
2037 | ||
03af1e4c DK |
2038 | char name[GFC_MAX_SYMBOL_LEN + 1]; |
2039 | gfc_symtree *st; /* Symtree corresponding to name. */ | |
571d54de DK |
2040 | locus where; |
2041 | ||
03af1e4c DK |
2042 | gfc_expr *target; |
2043 | } | |
2044 | gfc_association_list; | |
2045 | #define gfc_get_association_list() XCNEW (gfc_association_list) | |
2046 | ||
2047 | ||
6de9cd9a DN |
2048 | /* Executable statements that fill gfc_code structures. */ |
2049 | typedef enum | |
2050 | { | |
df1a69f6 MM |
2051 | EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN, |
2052 | EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP, | |
8e1f752a DK |
2053 | EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, |
2054 | EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, | |
8c6a85e3 TB |
2055 | EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE, |
2056 | EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, | |
2057 | EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE, | |
2058 | EXEC_SELECT_TYPE, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, EXEC_SYNC_IMAGES, | |
6f0f0b2e | 2059 | EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, |
6de9cd9a | 2060 | EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, |
6c7a4dfd | 2061 | EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, |
5493aa17 | 2062 | EXEC_LOCK, EXEC_UNLOCK, |
6c7a4dfd JJ |
2063 | EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, |
2064 | EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, | |
2065 | EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, | |
2066 | EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, | |
2067 | EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, | |
20906c66 JJ |
2068 | EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, |
2069 | EXEC_OMP_TASKYIELD | |
6de9cd9a DN |
2070 | } |
2071 | gfc_exec_op; | |
2072 | ||
20906c66 JJ |
2073 | typedef enum |
2074 | { | |
2075 | GFC_OMP_ATOMIC_UPDATE, | |
2076 | GFC_OMP_ATOMIC_READ, | |
2077 | GFC_OMP_ATOMIC_WRITE, | |
2078 | GFC_OMP_ATOMIC_CAPTURE | |
2079 | } | |
2080 | gfc_omp_atomic_op; | |
2081 | ||
6de9cd9a DN |
2082 | typedef struct gfc_code |
2083 | { | |
2084 | gfc_exec_op op; | |
2085 | ||
2086 | struct gfc_code *block, *next; | |
2087 | locus loc; | |
2088 | ||
79bd1948 | 2089 | gfc_st_label *here, *label1, *label2, *label3; |
6de9cd9a | 2090 | gfc_symtree *symtree; |
5493aa17 | 2091 | gfc_expr *expr1, *expr2, *expr3, *expr4; |
6de9cd9a DN |
2092 | /* A name isn't sufficient to identify a subroutine, we need the actual |
2093 | symbol for the interface definition. | |
2094 | const char *sub_name; */ | |
2095 | gfc_symbol *resolved_sym; | |
12f681a0 | 2096 | gfc_intrinsic_sym *resolved_isym; |
6de9cd9a DN |
2097 | |
2098 | union | |
2099 | { | |
2100 | gfc_actual_arglist *actual; | |
6de9cd9a | 2101 | gfc_iterator *iterator; |
cf2b3c22 TB |
2102 | |
2103 | struct | |
2104 | { | |
2105 | gfc_typespec ts; | |
2106 | gfc_alloc *list; | |
2107 | } | |
2108 | alloc; | |
2109 | ||
03af1e4c DK |
2110 | struct |
2111 | { | |
2112 | gfc_namespace *ns; | |
2113 | gfc_association_list *assoc; | |
29a63d67 | 2114 | gfc_case *case_list; |
03af1e4c DK |
2115 | } |
2116 | block; | |
2117 | ||
6de9cd9a DN |
2118 | gfc_open *open; |
2119 | gfc_close *close; | |
2120 | gfc_filepos *filepos; | |
2121 | gfc_inquire *inquire; | |
6f0f0b2e | 2122 | gfc_wait *wait; |
6de9cd9a DN |
2123 | gfc_dt *dt; |
2124 | gfc_forall_iterator *forall_iterator; | |
e5ca9693 | 2125 | struct gfc_code *which_construct; |
6de9cd9a | 2126 | int stop_code; |
3d79abbd | 2127 | gfc_entry_list *entry; |
6c7a4dfd JJ |
2128 | gfc_omp_clauses *omp_clauses; |
2129 | const char *omp_name; | |
2130 | gfc_namelist *omp_namelist; | |
2131 | bool omp_bool; | |
20906c66 | 2132 | gfc_omp_atomic_op omp_atomic; |
6de9cd9a DN |
2133 | } |
2134 | ext; /* Points to additional structures required by statement */ | |
2135 | ||
e5ca9693 | 2136 | /* Cycle and break labels in constructs. */ |
e7041633 NF |
2137 | tree cycle_label; |
2138 | tree exit_label; | |
6de9cd9a DN |
2139 | } |
2140 | gfc_code; | |
2141 | ||
2142 | ||
2143 | /* Storage for DATA statements. */ | |
2144 | typedef struct gfc_data_variable | |
2145 | { | |
2146 | gfc_expr *expr; | |
2147 | gfc_iterator iter; | |
2148 | struct gfc_data_variable *list, *next; | |
2149 | } | |
2150 | gfc_data_variable; | |
2151 | ||
2152 | ||
2153 | typedef struct gfc_data_value | |
2154 | { | |
f2112868 | 2155 | mpz_t repeat; |
6de9cd9a | 2156 | gfc_expr *expr; |
6de9cd9a DN |
2157 | struct gfc_data_value *next; |
2158 | } | |
2159 | gfc_data_value; | |
2160 | ||
2161 | ||
2162 | typedef struct gfc_data | |
2163 | { | |
2164 | gfc_data_variable *var; | |
2165 | gfc_data_value *value; | |
2166 | locus where; | |
2167 | ||
2168 | struct gfc_data *next; | |
2169 | } | |
2170 | gfc_data; | |
2171 | ||
6de9cd9a DN |
2172 | |
2173 | /* Structure for holding compile options */ | |
2174 | typedef struct | |
2175 | { | |
6de9cd9a DN |
2176 | char *module_dir; |
2177 | gfc_source_form source_form; | |
1dde8683 BM |
2178 | /* Maximum line lengths in fixed- and free-form source, respectively. |
2179 | When fixed_line_length or free_line_length are 0, the whole line is used, | |
2180 | regardless of length. | |
16ab8e74 BF |
2181 | |
2182 | If the user requests a fixed_line_length <7 then gfc_init_options() | |
2183 | emits a fatal error. */ | |
1dde8683 BM |
2184 | int fixed_line_length; |
2185 | int free_line_length; | |
2186 | /* Maximum number of continuation lines in fixed- and free-form source, | |
2187 | respectively. */ | |
5a06474c JD |
2188 | int max_continue_fixed; |
2189 | int max_continue_free; | |
6de9cd9a | 2190 | int max_identifier_length; |
1607a827 TK |
2191 | int dump_fortran_original; |
2192 | int dump_fortran_optimized; | |
6de9cd9a DN |
2193 | |
2194 | int warn_aliasing; | |
3fbab549 | 2195 | int warn_ampersand; |
e3339d0f | 2196 | int gfc_warn_conversion; |
daf8c6f0 | 2197 | int warn_conversion_extra; |
51a30b32 | 2198 | int warn_function_elimination; |
6de9cd9a | 2199 | int warn_implicit_interface; |
ca071303 | 2200 | int warn_implicit_procedure; |
6de9cd9a DN |
2201 | int warn_line_truncation; |
2202 | int warn_surprising; | |
840bd9f7 SK |
2203 | int warn_tabs; |
2204 | int warn_underflow; | |
c3005b0f DK |
2205 | int warn_intrinsic_shadow; |
2206 | int warn_intrinsics_std; | |
2220652d | 2207 | int warn_character_truncation; |
bdfd2ff0 | 2208 | int warn_array_temp; |
f613cea7 | 2209 | int warn_align_commons; |
5a17346a | 2210 | int warn_real_q_constant; |
4ed44ccc | 2211 | int warn_unused_dummy_argument; |
3f139fcf | 2212 | int max_errors; |
6de9cd9a | 2213 | |
a23eec13 | 2214 | int flag_all_intrinsics; |
3ae9eb27 SK |
2215 | int flag_default_double; |
2216 | int flag_default_integer; | |
2217 | int flag_default_real; | |
6de9cd9a DN |
2218 | int flag_dollar_ok; |
2219 | int flag_underscoring; | |
2220 | int flag_second_underscore; | |
2221 | int flag_implicit_none; | |
2222 | int flag_max_stack_var_size; | |
63346ddb | 2223 | int flag_max_array_constructor; |
54554825 | 2224 | int flag_range_check; |
6de9cd9a DN |
2225 | int flag_pack_derived; |
2226 | int flag_repack_arrays; | |
2d7c7df6 | 2227 | int flag_preprocessed; |
973ff4c0 | 2228 | int flag_f2c; |
ee5426a4 | 2229 | int flag_automatic; |
131c66cd | 2230 | int flag_backslash; |
868d75db | 2231 | int flag_backtrace; |
e6472bce | 2232 | int flag_allow_leading_underscore; |
5a0aad31 FXC |
2233 | int flag_external_blas; |
2234 | int blas_matmul_limit; | |
83d890b9 | 2235 | int flag_cray_pointer; |
e0bcf78c | 2236 | int flag_d_lines; |
e3339d0f | 2237 | int gfc_flag_openmp; |
68d2e027 | 2238 | int flag_sign_zero; |
c76f8d52 | 2239 | int flag_stack_arrays; |
654b6073 | 2240 | int flag_module_private; |
1e7de83b | 2241 | int flag_recursive; |
51b09ce3 AL |
2242 | int flag_init_local_zero; |
2243 | int flag_init_integer; | |
2244 | int flag_init_integer_value; | |
2245 | int flag_init_real; | |
2246 | int flag_init_logical; | |
2247 | int flag_init_character; | |
2248 | char flag_init_character_value; | |
f613cea7 | 2249 | int flag_align_commons; |
71a7778c | 2250 | int flag_whole_file; |
72bd130e | 2251 | int flag_protect_parens; |
597553ab | 2252 | int flag_realloc_lhs; |
2757d5ec | 2253 | int flag_aggressive_function_elimination; |
51a30b32 | 2254 | int flag_frontend_optimize; |
6de9cd9a | 2255 | |
944b8b35 | 2256 | int fpe; |
d3d3011f | 2257 | int rtcheck; |
f4d1d50a | 2258 | gfc_fcoarray coarray; |
944b8b35 | 2259 | |
6de9cd9a DN |
2260 | int warn_std; |
2261 | int allow_std; | |
eaa90d25 | 2262 | int convert; |
d67ab5ee | 2263 | int record_marker; |
07b3bbf2 | 2264 | int max_subrecord_length; |
6de9cd9a DN |
2265 | } |
2266 | gfc_option_t; | |
2267 | ||
2268 | extern gfc_option_t gfc_option; | |
2269 | ||
6de9cd9a DN |
2270 | /* Constructor nodes for array and structure constructors. */ |
2271 | typedef struct gfc_constructor | |
2272 | { | |
b7e75771 JD |
2273 | gfc_constructor_base base; |
2274 | mpz_t offset; /* Offset within a constructor, used as | |
2275 | key within base. */ | |
2276 | ||
6de9cd9a DN |
2277 | gfc_expr *expr; |
2278 | gfc_iterator *iterator; | |
2279 | locus where; | |
b7e75771 JD |
2280 | |
2281 | union | |
6de9cd9a | 2282 | { |
b7e75771 | 2283 | gfc_component *component; /* Record the component being initialized. */ |
6de9cd9a DN |
2284 | } |
2285 | n; | |
21ea4922 JJ |
2286 | mpz_t repeat; /* Record the repeat number of initial values in data |
2287 | statement like "data a/5*10/". */ | |
6de9cd9a DN |
2288 | } |
2289 | gfc_constructor; | |
2290 | ||
2291 | ||
2292 | typedef struct iterator_stack | |
2293 | { | |
2294 | gfc_symtree *variable; | |
2295 | mpz_t value; | |
2296 | struct iterator_stack *prev; | |
2297 | } | |
2298 | iterator_stack; | |
2299 | extern iterator_stack *iter_stack; | |
2300 | ||
34523524 | 2301 | |
7431bf06 JW |
2302 | /* Used for (possibly nested) SELECT TYPE statements. */ |
2303 | typedef struct gfc_select_type_stack | |
2304 | { | |
2305 | gfc_symbol *selector; /* Current selector variable. */ | |
2306 | gfc_symtree *tmp; /* Current temporary variable. */ | |
2307 | struct gfc_select_type_stack *prev; /* Previous element on stack. */ | |
2308 | } | |
2309 | gfc_select_type_stack; | |
2310 | extern gfc_select_type_stack *select_type_stack; | |
2311 | #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack) | |
2312 | ||
2313 | ||
34523524 DK |
2314 | /* Node in the linked list used for storing finalizer procedures. */ |
2315 | ||
2316 | typedef struct gfc_finalizer | |
2317 | { | |
2318 | struct gfc_finalizer* next; | |
df2fba9e | 2319 | locus where; /* Where the FINAL declaration occurred. */ |
f6fad28e DK |
2320 | |
2321 | /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding | |
2322 | symtree and later need only that. This way, we can access and call the | |
2323 | finalizers from every context as they should be "always accessible". I | |
2324 | don't make this a union because we need the information whether proc_sym is | |
2325 | still referenced or not for dereferencing it on deleting a gfc_finalizer | |
2326 | structure. */ | |
2327 | gfc_symbol* proc_sym; | |
2328 | gfc_symtree* proc_tree; | |
34523524 DK |
2329 | } |
2330 | gfc_finalizer; | |
f6fad28e DK |
2331 | #define gfc_get_finalizer() XCNEW (gfc_finalizer) |
2332 | ||
34523524 | 2333 | |
6de9cd9a DN |
2334 | /************************ Function prototypes *************************/ |
2335 | ||
2220652d PT |
2336 | /* decl.c */ |
2337 | bool gfc_in_match_data (void); | |
8234e5e0 | 2338 | match gfc_match_char_spec (gfc_typespec *); |
2220652d | 2339 | |
6de9cd9a DN |
2340 | /* scanner.c */ |
2341 | void gfc_scanner_done_1 (void); | |
2342 | void gfc_scanner_init_1 (void); | |
2343 | ||
0ee1b105 | 2344 | void gfc_add_include_path (const char *, bool, bool); |
31198773 | 2345 | void gfc_add_intrinsic_modules_path (const char *); |
6de9cd9a | 2346 | void gfc_release_include_path (void); |
31198773 FXC |
2347 | FILE *gfc_open_included_file (const char *, bool, bool); |
2348 | FILE *gfc_open_intrinsic_module (const char *); | |
6de9cd9a | 2349 | |
6de9cd9a DN |
2350 | int gfc_at_end (void); |
2351 | int gfc_at_eof (void); | |
2352 | int gfc_at_bol (void); | |
2353 | int gfc_at_eol (void); | |
2354 | void gfc_advance_line (void); | |
2355 | int gfc_check_include (void); | |
9e8a6720 | 2356 | int gfc_define_undef_line (void); |
6de9cd9a | 2357 | |
8fc541d3 FXC |
2358 | int gfc_wide_is_printable (gfc_char_t); |
2359 | int gfc_wide_is_digit (gfc_char_t); | |
2360 | int gfc_wide_fits_in_byte (gfc_char_t); | |
2361 | gfc_char_t gfc_wide_tolower (gfc_char_t); | |
00660189 | 2362 | gfc_char_t gfc_wide_toupper (gfc_char_t); |
8fc541d3 | 2363 | size_t gfc_wide_strlen (const gfc_char_t *); |
00660189 FXC |
2364 | int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); |
2365 | gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); | |
2366 | char *gfc_widechar_to_char (const gfc_char_t *, int); | |
2367 | gfc_char_t *gfc_char_to_widechar (const char *); | |
2368 | ||
ece3f663 | 2369 | #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) |
8fc541d3 | 2370 | |
6de9cd9a | 2371 | void gfc_skip_comments (void); |
696abb30 | 2372 | gfc_char_t gfc_next_char_literal (gfc_instring); |
8fc541d3 FXC |
2373 | gfc_char_t gfc_next_char (void); |
2374 | char gfc_next_ascii_char (void); | |
2375 | gfc_char_t gfc_peek_char (void); | |
2376 | char gfc_peek_ascii_char (void); | |
6de9cd9a DN |
2377 | void gfc_error_recovery (void); |
2378 | void gfc_gobble_whitespace (void); | |
17b1d2a0 | 2379 | gfc_try gfc_new_file (void); |
2d7c7df6 | 2380 | const char * gfc_read_orig_filename (const char *, const char **); |
6de9cd9a | 2381 | |
d4fa05b9 | 2382 | extern gfc_source_form gfc_current_form; |
e0bcf78c | 2383 | extern const char *gfc_source_file; |
63645982 | 2384 | extern locus gfc_current_locus; |
6de9cd9a | 2385 | |
60332588 JJ |
2386 | void gfc_start_source_files (void); |
2387 | void gfc_end_source_files (void); | |
2388 | ||
6de9cd9a | 2389 | /* misc.c */ |
66e4ab31 | 2390 | int gfc_terminal_width (void); |
6de9cd9a DN |
2391 | void gfc_clear_ts (gfc_typespec *); |
2392 | FILE *gfc_open_file (const char *); | |
6de9cd9a DN |
2393 | const char *gfc_basic_typename (bt); |
2394 | const char *gfc_typename (gfc_typespec *); | |
ba3ba492 | 2395 | const char *gfc_op2string (gfc_intrinsic_op); |
6de9cd9a DN |
2396 | const char *gfc_code2string (const mstring *, int); |
2397 | int gfc_string2code (const mstring *, const char *); | |
2398 | const char *gfc_intent_string (sym_intent); | |
2399 | ||
2400 | void gfc_init_1 (void); | |
2401 | void gfc_init_2 (void); | |
2402 | void gfc_done_1 (void); | |
2403 | void gfc_done_2 (void); | |
2404 | ||
a8b3b0b6 CR |
2405 | int get_c_kind (const char *, CInteropKind_t *); |
2406 | ||
6de9cd9a | 2407 | /* options.c */ |
7a9bf9a4 | 2408 | unsigned int gfc_option_lang_mask (void); |
a75bfaa6 | 2409 | void gfc_init_options_struct (struct gcc_options *); |
7a9bf9a4 JM |
2410 | void gfc_init_options (unsigned int, |
2411 | struct cl_decoded_option *); | |
a4d8c676 | 2412 | bool gfc_handle_option (size_t, const char *, int, int, location_t, |
5f20c657 | 2413 | const struct cl_option_handlers *); |
6de9cd9a | 2414 | bool gfc_post_options (const char **); |
41804a5b | 2415 | char *gfc_get_option_string (void); |
6de9cd9a | 2416 | |
602b8523 TB |
2417 | /* f95-lang.c */ |
2418 | void gfc_maybe_initialize_eh (void); | |
2419 | ||
6de9cd9a | 2420 | /* iresolve.c */ |
6b25a558 | 2421 | const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; |
a68ab351 | 2422 | bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); |
6de9cd9a DN |
2423 | |
2424 | /* error.c */ | |
2425 | ||
2426 | typedef struct gfc_error_buf | |
2427 | { | |
2428 | int flag; | |
d71b89ca JJ |
2429 | size_t allocated, index; |
2430 | char *message; | |
6de9cd9a DN |
2431 | } gfc_error_buf; |
2432 | ||
2433 | void gfc_error_init_1 (void); | |
2434 | void gfc_buffer_error (int); | |
2435 | ||
00660189 FXC |
2436 | const char *gfc_print_wide_char (gfc_char_t); |
2437 | ||
0ce0154c KG |
2438 | void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); |
2439 | void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); | |
6de9cd9a DN |
2440 | void gfc_clear_warning (void); |
2441 | void gfc_warning_check (void); | |
2442 | ||
0ce0154c KG |
2443 | void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); |
2444 | void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); | |
2445 | void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); | |
2446 | void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); | |
6de9cd9a DN |
2447 | void gfc_clear_error (void); |
2448 | int gfc_error_check (void); | |
8f81c3c6 | 2449 | int gfc_error_flag_test (void); |
6de9cd9a | 2450 | |
8f0d39a8 | 2451 | notification gfc_notification_std (int); |
17b1d2a0 | 2452 | gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); |
6de9cd9a DN |
2453 | |
2454 | /* A general purpose syntax error. */ | |
2455 | #define gfc_syntax_error(ST) \ | |
2456 | gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); | |
2457 | ||
2458 | void gfc_push_error (gfc_error_buf *); | |
2459 | void gfc_pop_error (gfc_error_buf *); | |
d71b89ca | 2460 | void gfc_free_error (gfc_error_buf *); |
6de9cd9a | 2461 | |
6de9cd9a | 2462 | void gfc_get_errors (int *, int *); |
3af8d8cb | 2463 | void gfc_errors_to_warnings (int); |
6de9cd9a DN |
2464 | |
2465 | /* arith.c */ | |
2466 | void gfc_arith_init_1 (void); | |
2467 | void gfc_arith_done_1 (void); | |
25d8f0a2 | 2468 | arith gfc_check_integer_range (mpz_t p, int kind); |
d393bbd7 | 2469 | bool gfc_check_character_range (gfc_char_t, int); |
6de9cd9a | 2470 | |
5e8e542f | 2471 | /* trans-types.c */ |
17b1d2a0 | 2472 | gfc_try gfc_check_any_c_kind (gfc_typespec *); |
e7a2d5fb | 2473 | int gfc_validate_kind (bt, int, bool); |
e0a6661b FXC |
2474 | int gfc_get_int_kind_from_width_isofortranenv (int size); |
2475 | int gfc_get_real_kind_from_width_isofortranenv (int size); | |
7c1dab0d | 2476 | tree gfc_get_derived_type (gfc_symbol * derived); |
6de9cd9a | 2477 | extern int gfc_index_integer_kind; |
9d64df18 | 2478 | extern int gfc_default_integer_kind; |
f4e7375a | 2479 | extern int gfc_max_integer_kind; |
9d64df18 TS |
2480 | extern int gfc_default_real_kind; |
2481 | extern int gfc_default_double_kind; | |
2482 | extern int gfc_default_character_kind; | |
2483 | extern int gfc_default_logical_kind; | |
2484 | extern int gfc_default_complex_kind; | |
e8525382 | 2485 | extern int gfc_c_int_kind; |
da661a58 TB |
2486 | extern int gfc_atomic_int_kind; |
2487 | extern int gfc_atomic_logical_kind; | |
014ec6ee | 2488 | extern int gfc_intio_kind; |
f1412ca5 | 2489 | extern int gfc_charlen_int_kind; |
39f87c03 FXC |
2490 | extern int gfc_numeric_storage_size; |
2491 | extern int gfc_character_storage_size; | |
6de9cd9a DN |
2492 | |
2493 | /* symbol.c */ | |
2494 | void gfc_clear_new_implicit (void); | |
17b1d2a0 KG |
2495 | gfc_try gfc_add_new_implicit_range (int, int); |
2496 | gfc_try gfc_merge_new_implicit (gfc_typespec *); | |
6de9cd9a | 2497 | void gfc_set_implicit_none (void); |
e9bd9f7d | 2498 | void gfc_check_function_type (gfc_namespace *); |
e9c06563 | 2499 | bool gfc_is_intrinsic_typename (const char *); |
6de9cd9a | 2500 | |
713485cc | 2501 | gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *); |
17b1d2a0 | 2502 | gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); |
6de9cd9a | 2503 | |
66e4ab31 | 2504 | void gfc_set_sym_referenced (gfc_symbol *); |
6de9cd9a | 2505 | |
17b1d2a0 | 2506 | gfc_try gfc_add_attribute (symbol_attribute *, locus *); |
2b374f55 | 2507 | gfc_try gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *); |
17b1d2a0 | 2508 | gfc_try gfc_add_allocatable (symbol_attribute *, locus *); |
be59db2d | 2509 | gfc_try gfc_add_codimension (symbol_attribute *, const char *, locus *); |
fe4e525c | 2510 | gfc_try gfc_add_contiguous (symbol_attribute *, const char *, locus *); |
17b1d2a0 KG |
2511 | gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *); |
2512 | gfc_try gfc_add_external (symbol_attribute *, locus *); | |
2513 | gfc_try gfc_add_intrinsic (symbol_attribute *, locus *); | |
2514 | gfc_try gfc_add_optional (symbol_attribute *, locus *); | |
2515 | gfc_try gfc_add_pointer (symbol_attribute *, locus *); | |
2516 | gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *); | |
2517 | gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *); | |
32e8bb8e | 2518 | match gfc_mod_pointee_as (gfc_array_spec *); |
17b1d2a0 KG |
2519 | gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *); |
2520 | gfc_try gfc_add_result (symbol_attribute *, const char *, locus *); | |
80f95228 | 2521 | gfc_try gfc_add_save (symbol_attribute *, save_state, const char *, locus *); |
17b1d2a0 KG |
2522 | gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *); |
2523 | gfc_try gfc_add_saved_common (symbol_attribute *, locus *); | |
2524 | gfc_try gfc_add_target (symbol_attribute *, locus *); | |
2525 | gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *); | |
2526 | gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *); | |
2527 | gfc_try gfc_add_common (symbol_attribute *, locus *); | |
2528 | gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *); | |
2529 | gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); | |
2530 | gfc_try gfc_add_data (symbol_attribute *, const char *, locus *); | |
2531 | gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *); | |
2532 | gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *); | |
2533 | gfc_try gfc_add_elemental (symbol_attribute *, locus *); | |
2534 | gfc_try gfc_add_pure (symbol_attribute *, locus *); | |
2535 | gfc_try gfc_add_recursive (symbol_attribute *, locus *); | |
2536 | gfc_try gfc_add_function (symbol_attribute *, const char *, locus *); | |
2537 | gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *); | |
2538 | gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *); | |
1eee5628 | 2539 | gfc_try gfc_add_asynchronous (symbol_attribute *, const char *, locus *); |
17b1d2a0 | 2540 | gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); |
52f49934 | 2541 | gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where); |
17b1d2a0 KG |
2542 | |
2543 | gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); | |
63a3341a PT |
2544 | gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); |
2545 | gfc_try gfc_add_extension (symbol_attribute *, locus *); | |
17b1d2a0 KG |
2546 | gfc_try gfc_add_value (symbol_attribute *, const char *, locus *); |
2547 | gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); | |
2548 | gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *); | |
2549 | gfc_try gfc_add_procedure (symbol_attribute *, procedure_type, | |
231b2fcc | 2550 | const char *, locus *); |
17b1d2a0 KG |
2551 | gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *); |
2552 | gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc, | |
6de9cd9a | 2553 | gfc_formal_arglist *, locus *); |
17b1d2a0 | 2554 | gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); |
6de9cd9a DN |
2555 | |
2556 | void gfc_clear_attr (symbol_attribute *); | |
17b1d2a0 KG |
2557 | gfc_try gfc_missing_attr (symbol_attribute *, locus *); |
2558 | gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); | |
6de9cd9a | 2559 | |
17b1d2a0 | 2560 | gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **); |
6de9cd9a DN |
2561 | gfc_symbol *gfc_use_derived (gfc_symbol *); |
2562 | gfc_symtree *gfc_use_derived_tree (gfc_symtree *); | |
9d1210f4 | 2563 | gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool); |
6de9cd9a DN |
2564 | |
2565 | gfc_st_label *gfc_get_st_label (int); | |
2566 | void gfc_free_st_label (gfc_st_label *); | |
2567 | void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); | |
17b1d2a0 | 2568 | gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type); |
6de9cd9a | 2569 | |
0366dfe9 | 2570 | gfc_namespace *gfc_get_namespace (gfc_namespace *, int); |
6de9cd9a DN |
2571 | gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); |
2572 | gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); | |
a99d95a2 | 2573 | void gfc_delete_symtree (gfc_symtree **, const char *); |
aa84a9a5 | 2574 | gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); |
6de9cd9a DN |
2575 | gfc_user_op *gfc_get_uop (const char *); |
2576 | gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); | |
2577 | void gfc_free_symbol (gfc_symbol *); | |
3cb595ac | 2578 | void gfc_release_symbol (gfc_symbol *); |
6de9cd9a | 2579 | gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); |
61b644c2 | 2580 | gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *); |
6de9cd9a DN |
2581 | int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); |
2582 | int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); | |
2583 | int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); | |
2ec855f1 | 2584 | gfc_try verify_c_interop (gfc_typespec *); |
17b1d2a0 KG |
2585 | gfc_try verify_c_interop_param (gfc_symbol *); |
2586 | gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); | |
2587 | gfc_try verify_bind_c_derived_type (gfc_symbol *); | |
2588 | gfc_try verify_com_block_vars_c_interop (gfc_common_head *); | |
741ac903 | 2589 | void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *); |
a8b3b0b6 | 2590 | gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int); |
08a6b8e0 | 2591 | int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool); |
6de9cd9a DN |
2592 | int gfc_get_ha_symbol (const char *, gfc_symbol **); |
2593 | int gfc_get_ha_sym_tree (const char *, gfc_symtree **); | |
2594 | ||
6de9cd9a DN |
2595 | void gfc_undo_symbols (void); |
2596 | void gfc_commit_symbols (void); | |
66e4ab31 | 2597 | void gfc_commit_symbol (gfc_symbol *); |
b76e28c6 | 2598 | gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *); |
27f31e39 | 2599 | void gfc_free_charlen (gfc_charlen *, gfc_charlen *); |
6de9cd9a DN |
2600 | void gfc_free_namespace (gfc_namespace *); |
2601 | ||
2602 | void gfc_symbol_init_2 (void); | |
2603 | void gfc_symbol_done_2 (void); | |
2604 | ||
9056bd70 | 2605 | void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); |
6de9cd9a DN |
2606 | void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); |
2607 | void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); | |
2608 | void gfc_save_all (gfc_namespace *); | |
2609 | ||
4bc20f3a | 2610 | void gfc_enforce_clean_symbol_state (void); |
71a7778c PT |
2611 | void gfc_free_dt_list (void); |
2612 | ||
6de9cd9a | 2613 | |
cb9e4f55 TS |
2614 | gfc_gsymbol *gfc_get_gsymbol (const char *); |
2615 | gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); | |
c9543002 | 2616 | |
3e15518b | 2617 | gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*); |
30b608eb | 2618 | gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); |
cf2b3c22 TB |
2619 | gfc_symbol* gfc_get_ultimate_derived_super_type (gfc_symbol*); |
2620 | bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *); | |
e74f1cc8 | 2621 | bool gfc_type_compatible (gfc_typespec *, gfc_typespec *); |
30b608eb | 2622 | |
c73b6478 JW |
2623 | void gfc_copy_formal_args (gfc_symbol *, gfc_symbol *); |
2624 | void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *); | |
7e196f89 | 2625 | void gfc_copy_formal_args_ppc (gfc_component *, gfc_symbol *); |
69773742 | 2626 | |
34523524 DK |
2627 | void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */ |
2628 | ||
f37e928c | 2629 | gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); |
52bf62f9 | 2630 | gfc_namespace* gfc_find_proc_namespace (gfc_namespace*); |
f37e928c | 2631 | |
571d54de DK |
2632 | bool gfc_is_associate_pointer (gfc_symbol*); |
2633 | ||
f2cbd86c DF |
2634 | /* intrinsic.c -- true if working in an init-expr, false otherwise. */ |
2635 | extern bool gfc_init_expr_flag; | |
6de9cd9a DN |
2636 | |
2637 | /* Given a symbol that we have decided is intrinsic, mark it as such | |
2638 | by placing it into a special module that is otherwise impossible to | |
2639 | read or write. */ | |
2640 | ||
cb9e4f55 | 2641 | #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") |
6de9cd9a DN |
2642 | |
2643 | void gfc_intrinsic_init_1 (void); | |
2644 | void gfc_intrinsic_done_1 (void); | |
2645 | ||
2646 | char gfc_type_letter (bt); | |
2647 | gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); | |
17b1d2a0 KG |
2648 | gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int); |
2649 | gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int); | |
2650 | gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *); | |
6de9cd9a DN |
2651 | int gfc_generic_intrinsic (const char *); |
2652 | int gfc_specific_intrinsic (const char *); | |
c3005b0f | 2653 | bool gfc_is_intrinsic (gfc_symbol*, int, locus); |
0e7e7e6e | 2654 | int gfc_intrinsic_actual_ok (const char *, const bool); |
6de9cd9a | 2655 | gfc_intrinsic_sym *gfc_find_function (const char *); |
cd5ecab6 | 2656 | gfc_intrinsic_sym *gfc_find_subroutine (const char *); |
d000aa67 | 2657 | gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id); |
6de9cd9a DN |
2658 | |
2659 | match gfc_intrinsic_func_interface (gfc_expr *, int); | |
2660 | match gfc_intrinsic_sub_interface (gfc_code *, int); | |
2661 | ||
c3005b0f | 2662 | void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); |
17b1d2a0 KG |
2663 | gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, |
2664 | bool, locus); | |
c3005b0f | 2665 | |
6de9cd9a DN |
2666 | /* match.c -- FIXME */ |
2667 | void gfc_free_iterator (gfc_iterator *, int); | |
2668 | void gfc_free_forall_iterator (gfc_forall_iterator *); | |
2669 | void gfc_free_alloc_list (gfc_alloc *); | |
2670 | void gfc_free_namelist (gfc_namelist *); | |
2671 | void gfc_free_equiv (gfc_equiv *); | |
31fee91e | 2672 | void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *); |
6de9cd9a DN |
2673 | void gfc_free_data (gfc_data *); |
2674 | void gfc_free_case_list (gfc_case *); | |
2675 | ||
b6398823 PT |
2676 | /* matchexp.c -- FIXME too? */ |
2677 | gfc_expr *gfc_get_parentheses (gfc_expr *); | |
2678 | ||
6c7a4dfd | 2679 | /* openmp.c */ |
c7d3bb76 | 2680 | struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; }; |
6c7a4dfd JJ |
2681 | void gfc_free_omp_clauses (gfc_omp_clauses *); |
2682 | void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); | |
2683 | void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *); | |
2684 | void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); | |
2685 | void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); | |
c7d3bb76 JJ |
2686 | void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *); |
2687 | void gfc_omp_restore_state (struct gfc_omp_saved_state *); | |
6c7a4dfd | 2688 | |
6de9cd9a DN |
2689 | /* expr.c */ |
2690 | void gfc_free_actual_arglist (gfc_actual_arglist *); | |
2691 | gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); | |
2692 | const char *gfc_extract_int (gfc_expr *, int *); | |
1d6b7f39 | 2693 | bool is_subref_array (gfc_expr *); |
fe4e525c | 2694 | bool gfc_is_simply_contiguous (gfc_expr *, bool); |
6de9cd9a DN |
2695 | |
2696 | gfc_expr *gfc_build_conversion (gfc_expr *); | |
2697 | void gfc_free_ref_list (gfc_ref *); | |
dcea1b2f | 2698 | void gfc_type_convert_binary (gfc_expr *, int); |
6de9cd9a | 2699 | int gfc_is_constant_expr (gfc_expr *); |
17b1d2a0 | 2700 | gfc_try gfc_simplify_expr (gfc_expr *, int); |
4075a94e | 2701 | int gfc_has_vector_index (gfc_expr *); |
6de9cd9a DN |
2702 | |
2703 | gfc_expr *gfc_get_expr (void); | |
b7e75771 JD |
2704 | gfc_expr *gfc_get_array_expr (bt type, int kind, locus *); |
2705 | gfc_expr *gfc_get_null_expr (locus *); | |
2706 | gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *); | |
2707 | gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *); | |
2708 | gfc_expr *gfc_get_constant_expr (bt, int, locus *); | |
2709 | gfc_expr *gfc_get_character_expr (int, locus *, const char *, int len); | |
2710 | gfc_expr *gfc_get_int_expr (int, locus *, int); | |
2711 | gfc_expr *gfc_get_logical_expr (int, locus *, bool); | |
2712 | gfc_expr *gfc_get_iokind_expr (locus *, io_kind); | |
2713 | ||
7d7212ec MM |
2714 | void gfc_clear_shape (mpz_t *shape, int rank); |
2715 | void gfc_free_shape (mpz_t **shape, int rank); | |
6de9cd9a DN |
2716 | void gfc_free_expr (gfc_expr *); |
2717 | void gfc_replace_expr (gfc_expr *, gfc_expr *); | |
6de9cd9a | 2718 | mpz_t *gfc_copy_shape (mpz_t *, int); |
94538bd1 | 2719 | mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); |
6de9cd9a | 2720 | gfc_expr *gfc_copy_expr (gfc_expr *); |
8e1f752a | 2721 | gfc_ref* gfc_copy_ref (gfc_ref*); |
6de9cd9a | 2722 | |
17b1d2a0 | 2723 | gfc_try gfc_specification_expr (gfc_expr *); |
6de9cd9a DN |
2724 | |
2725 | int gfc_numeric_ts (gfc_typespec *); | |
2726 | int gfc_kind_max (gfc_expr *, gfc_expr *); | |
2727 | ||
ca8a8795 | 2728 | gfc_try gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3; |
17b1d2a0 KG |
2729 | gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int); |
2730 | gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *); | |
2731 | gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *); | |
6de9cd9a | 2732 | |
16e520b6 | 2733 | bool gfc_has_default_initializer (gfc_symbol *); |
54b4ba60 | 2734 | gfc_expr *gfc_default_initializer (gfc_typespec *); |
294fbfc8 | 2735 | gfc_expr *gfc_get_variable_expr (gfc_symtree *); |
0d87fa8c | 2736 | gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); |
294fbfc8 | 2737 | |
b7d1d8b4 PT |
2738 | gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr); |
2739 | ||
640670c7 PT |
2740 | bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, |
2741 | bool (*)(gfc_expr *, gfc_symbol *, int*), | |
2742 | int); | |
66e4ab31 | 2743 | void gfc_expr_set_symbols_referenced (gfc_expr *); |
f37e928c | 2744 | gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); |
c6acea9d | 2745 | void gfc_expr_replace_symbols (gfc_expr *, gfc_symbol *); |
f64edc8b | 2746 | void gfc_expr_replace_comp (gfc_expr *, gfc_component *); |
f37e928c | 2747 | |
f64edc8b | 2748 | bool gfc_is_proc_ptr_comp (gfc_expr *, gfc_component **); |
713485cc | 2749 | |
badd9e69 | 2750 | bool gfc_ref_this_image (gfc_ref *ref); |
d3a9eea2 | 2751 | bool gfc_is_coindexed (gfc_expr *); |
394d3a2e | 2752 | bool gfc_is_coarray (gfc_expr *); |
4dc694b2 | 2753 | int gfc_get_corank (gfc_expr *); |
d3a9eea2 TB |
2754 | bool gfc_has_ultimate_allocatable (gfc_expr *); |
2755 | bool gfc_has_ultimate_pointer (gfc_expr *); | |
2756 | ||
69dcd06a | 2757 | gfc_expr* gfc_build_intrinsic_call (const char*, locus, unsigned, ...); |
fea54935 | 2758 | gfc_try gfc_check_vardef_context (gfc_expr*, bool, bool, const char*); |
69dcd06a | 2759 | |
d3a9eea2 | 2760 | |
6de9cd9a DN |
2761 | /* st.c */ |
2762 | extern gfc_code new_st; | |
2763 | ||
2764 | void gfc_clear_new_st (void); | |
2765 | gfc_code *gfc_get_code (void); | |
2766 | gfc_code *gfc_append_code (gfc_code *, gfc_code *); | |
2767 | void gfc_free_statement (gfc_code *); | |
2768 | void gfc_free_statements (gfc_code *); | |
03af1e4c | 2769 | void gfc_free_association_list (gfc_association_list *); |
6de9cd9a DN |
2770 | |
2771 | /* resolve.c */ | |
17b1d2a0 | 2772 | gfc_try gfc_resolve_expr (gfc_expr *); |
6de9cd9a | 2773 | void gfc_resolve (gfc_namespace *); |
6c7a4dfd | 2774 | void gfc_resolve_blocks (gfc_code *, gfc_namespace *); |
6de9cd9a DN |
2775 | int gfc_impure_variable (gfc_symbol *); |
2776 | int gfc_pure (gfc_symbol *); | |
f1f39033 | 2777 | int gfc_implicit_pure (gfc_symbol *); |
6de9cd9a | 2778 | int gfc_elemental (gfc_symbol *); |
17b1d2a0 KG |
2779 | gfc_try gfc_resolve_iterator (gfc_iterator *, bool); |
2780 | gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int); | |
2781 | gfc_try gfc_resolve_index (gfc_expr *, int); | |
2782 | gfc_try gfc_resolve_dim_arg (gfc_expr *); | |
4213f93b | 2783 | int gfc_is_formal_arg (void); |
07368af0 | 2784 | void gfc_resolve_substring_charlen (gfc_expr *); |
a8b3b0b6 | 2785 | match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *); |
cf2b3c22 TB |
2786 | gfc_expr *gfc_expr_to_initialize (gfc_expr *); |
2787 | bool gfc_type_is_extensible (gfc_symbol *sym); | |
a8b3b0b6 | 2788 | |
6de9cd9a DN |
2789 | |
2790 | /* array.c */ | |
b7e75771 JD |
2791 | gfc_iterator *gfc_copy_iterator (gfc_iterator *); |
2792 | ||
6de9cd9a DN |
2793 | void gfc_free_array_spec (gfc_array_spec *); |
2794 | gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); | |
2795 | ||
17b1d2a0 | 2796 | gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); |
6de9cd9a | 2797 | gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); |
17b1d2a0 | 2798 | gfc_try gfc_resolve_array_spec (gfc_array_spec *, int); |
6de9cd9a DN |
2799 | |
2800 | int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); | |
2801 | ||
6de9cd9a | 2802 | void gfc_simplify_iterator_var (gfc_expr *); |
928f0490 | 2803 | gfc_try gfc_expand_constructor (gfc_expr *, bool); |
6de9cd9a DN |
2804 | int gfc_constant_ac (gfc_expr *); |
2805 | int gfc_expanded_ac (gfc_expr *); | |
17b1d2a0 KG |
2806 | gfc_try gfc_resolve_character_array_constructor (gfc_expr *); |
2807 | gfc_try gfc_resolve_array_constructor (gfc_expr *); | |
2808 | gfc_try gfc_check_constructor_type (gfc_expr *); | |
2809 | gfc_try gfc_check_iter_variable (gfc_expr *); | |
2810 | gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *)); | |
17b1d2a0 KG |
2811 | gfc_try gfc_array_size (gfc_expr *, mpz_t *); |
2812 | gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *); | |
2813 | gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *); | |
6de9cd9a | 2814 | gfc_array_ref *gfc_find_array_ref (gfc_expr *); |
66e4ab31 | 2815 | tree gfc_conv_array_initializer (tree type, gfc_expr *); |
17b1d2a0 KG |
2816 | gfc_try spec_size (gfc_array_spec *, mpz_t *); |
2817 | gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *); | |
4077d207 | 2818 | int gfc_is_compile_time_shape (gfc_array_spec *); |
6de9cd9a | 2819 | |
ee247636 | 2820 | gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *); |
543af7ab TK |
2821 | |
2822 | ||
6de9cd9a DN |
2823 | /* interface.c -- FIXME: some of these should be in symbol.c */ |
2824 | void gfc_free_interface (gfc_interface *); | |
e0e85e06 | 2825 | int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); |
6de9cd9a | 2826 | int gfc_compare_types (gfc_typespec *, gfc_typespec *); |
889dc035 JW |
2827 | int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int, |
2828 | char *, int); | |
6de9cd9a DN |
2829 | void gfc_check_interfaces (gfc_namespace *); |
2830 | void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); | |
7e196f89 | 2831 | void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *); |
6de9cd9a DN |
2832 | gfc_symbol *gfc_search_interface (gfc_interface *, int, |
2833 | gfc_actual_arglist **); | |
4a44a72d | 2834 | gfc_try gfc_extend_expr (gfc_expr *, bool *); |
6de9cd9a | 2835 | void gfc_free_formal_arglist (gfc_formal_arglist *); |
17b1d2a0 KG |
2836 | gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *); |
2837 | gfc_try gfc_add_interface (gfc_symbol *); | |
2b77e908 FXC |
2838 | gfc_interface *gfc_current_interface_head (void); |
2839 | void gfc_set_current_interface_head (gfc_interface *); | |
f6fad28e | 2840 | gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); |
f0ac18b7 | 2841 | bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); |
94747289 | 2842 | bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus); |
03af1e4c | 2843 | int gfc_has_vector_subscript (gfc_expr*); |
fb03a37e | 2844 | gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op); |
99fc1b90 | 2845 | gfc_try gfc_check_typebound_override (gfc_symtree*, gfc_symtree*); |
6de9cd9a DN |
2846 | |
2847 | /* io.c */ | |
2848 | extern gfc_st_label format_asterisk; | |
2849 | ||
2850 | void gfc_free_open (gfc_open *); | |
17b1d2a0 | 2851 | gfc_try gfc_resolve_open (gfc_open *); |
6de9cd9a | 2852 | void gfc_free_close (gfc_close *); |
17b1d2a0 | 2853 | gfc_try gfc_resolve_close (gfc_close *); |
6de9cd9a | 2854 | void gfc_free_filepos (gfc_filepos *); |
17b1d2a0 | 2855 | gfc_try gfc_resolve_filepos (gfc_filepos *); |
6de9cd9a | 2856 | void gfc_free_inquire (gfc_inquire *); |
17b1d2a0 | 2857 | gfc_try gfc_resolve_inquire (gfc_inquire *); |
6de9cd9a | 2858 | void gfc_free_dt (gfc_dt *); |
88e18fed | 2859 | gfc_try gfc_resolve_dt (gfc_dt *, locus *); |
6f0f0b2e | 2860 | void gfc_free_wait (gfc_wait *); |
17b1d2a0 | 2861 | gfc_try gfc_resolve_wait (gfc_wait *); |
6de9cd9a DN |
2862 | |
2863 | /* module.c */ | |
2864 | void gfc_module_init_2 (void); | |
2865 | void gfc_module_done_2 (void); | |
2866 | void gfc_dump_module (const char *, int); | |
6e2062b0 | 2867 | bool gfc_check_symbol_access (gfc_symbol *); |
a64f5186 | 2868 | void gfc_free_use_stmts (gfc_use_list *); |
6de9cd9a DN |
2869 | |
2870 | /* primary.c */ | |
2871 | symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); | |
2872 | symbol_attribute gfc_expr_attr (gfc_expr *); | |
eb77cddf | 2873 | match gfc_match_rvalue (gfc_expr **); |
713485cc | 2874 | match gfc_match_varspec (gfc_expr*, int, bool, bool); |
8fc541d3 | 2875 | int gfc_check_digit (char, int); |
2d71b918 | 2876 | bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *); |
6de9cd9a DN |
2877 | |
2878 | /* trans.c */ | |
2879 | void gfc_generate_code (gfc_namespace *); | |
2880 | void gfc_generate_module_code (gfc_namespace *); | |
6f4d39bb | 2881 | void gfc_init_coarray_decl (bool); |
6de9cd9a DN |
2882 | |
2883 | /* bbt.c */ | |
2884 | typedef int (*compare_fn) (void *, void *); | |
2885 | void gfc_insert_bbt (void *, void *, compare_fn); | |
2886 | void gfc_delete_bbt (void *, void *, compare_fn); | |
2887 | ||
2888 | /* dump-parse-tree.c */ | |
6c1abb5c | 2889 | void gfc_dump_parse_tree (gfc_namespace *, FILE *); |
6de9cd9a DN |
2890 | |
2891 | /* parse.c */ | |
17b1d2a0 | 2892 | gfc_try gfc_parse_file (void); |
ca39e6f2 | 2893 | void gfc_global_used (gfc_gsymbol *, locus *); |
3e78238a | 2894 | gfc_namespace* gfc_build_block_ns (gfc_namespace *); |
6de9cd9a | 2895 | |
2990f854 | 2896 | /* dependency.c */ |
2757d5ec | 2897 | int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool); |
2990f854 PT |
2898 | int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); |
2899 | ||
fb5bc08b DK |
2900 | /* check.c */ |
2901 | gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); | |
86dbed7d TK |
2902 | gfc_try gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*, |
2903 | size_t*, size_t*, size_t*); | |
fb5bc08b | 2904 | |
d15bac21 JW |
2905 | /* class.c */ |
2906 | void gfc_add_component_ref (gfc_expr *, const char *); | |
b04533af JW |
2907 | #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data") |
2908 | #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr") | |
2909 | #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash") | |
2910 | #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size") | |
2911 | #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init") | |
d15bac21 | 2912 | gfc_expr *gfc_class_null_initializer (gfc_typespec *); |
4fa02692 | 2913 | unsigned int gfc_hash_value (gfc_symbol *); |
d15bac21 JW |
2914 | gfc_try gfc_build_class_symbol (gfc_typespec *, symbol_attribute *, |
2915 | gfc_array_spec **, bool); | |
88ce8031 | 2916 | gfc_symbol *gfc_find_derived_vtab (gfc_symbol *); |
d15bac21 JW |
2917 | gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, |
2918 | const char*, bool, locus*); | |
2919 | gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, gfc_try*, | |
2920 | const char*, bool, locus*); | |
2921 | gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, gfc_try*, | |
2922 | gfc_intrinsic_op, bool, | |
2923 | locus*); | |
2924 | gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*); | |
2925 | ||
7a08eda1 JW |
2926 | #define CLASS_DATA(sym) sym->ts.u.derived->components |
2927 | ||
601d98be TK |
2928 | /* frontend-passes.c */ |
2929 | ||
2930 | void gfc_run_passes (gfc_namespace *); | |
2931 | ||
4d42b5cd JJ |
2932 | typedef int (*walk_code_fn_t) (gfc_code **, int *, void *); |
2933 | typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *); | |
2934 | ||
2935 | int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *); | |
2936 | int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *); | |
2937 | ||
53814b8f | 2938 | #endif /* GCC_GFORTRAN_H */ |