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6de9cd9a | 1 | /* gfortran header file |
fa502cb2 | 2 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
94fae14b | 3 | 2009, 2010, 2011, 2012 |
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 | 45 | #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */ |
6de9cd9a | 46 | #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ |
6de9cd9a | 47 | |
07b3bbf2 TK |
48 | #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */ |
49 | ||
50 | ||
6de9cd9a DN |
51 | #define gfc_is_whitespace(c) ((c==' ') || (c=='\t')) |
52 | ||
6de9cd9a DN |
53 | /* Stringization. */ |
54 | #define stringize(x) expand_macro(x) | |
55 | #define expand_macro(x) # x | |
56 | ||
df2fba9e | 57 | /* For the runtime library, a standard prefix is a requirement to |
6de9cd9a DN |
58 | avoid cluttering the namespace with things nobody asked for. It's |
59 | ugly to look at and a pain to type when you add the prefix by hand, | |
60 | so we hide it behind a macro. */ | |
61 | #define PREFIX(x) "_gfortran_" x | |
5b200ac2 | 62 | #define PREFIX_LEN 10 |
6de9cd9a | 63 | |
30aabb86 PT |
64 | #define BLANK_COMMON_NAME "__BLNK__" |
65 | ||
6de9cd9a DN |
66 | /* Macro to initialize an mstring structure. */ |
67 | #define minit(s, t) { s, NULL, t } | |
68 | ||
69 | /* Structure for storing strings to be matched by gfc_match_string. */ | |
70 | typedef struct | |
71 | { | |
72 | const char *string; | |
73 | const char *mp; | |
74 | int tag; | |
75 | } | |
76 | mstring; | |
77 | ||
78 | ||
944b8b35 | 79 | |
6de9cd9a DN |
80 | /*************************** Enums *****************************/ |
81 | ||
ad7ee6f8 JD |
82 | /* Used when matching and resolving data I/O transfer statements. */ |
83 | ||
84 | typedef enum | |
85 | { M_READ, M_WRITE, M_PRINT, M_INQUIRE } | |
86 | io_kind; | |
87 | ||
6de9cd9a DN |
88 | /* The author remains confused to this day about the convention of |
89 | returning '0' for 'SUCCESS'... or was it the other way around? The | |
90 | following enum makes things much more readable. We also start | |
91 | values off at one instead of zero. */ | |
92 | ||
93 | typedef enum | |
94 | { SUCCESS = 1, FAILURE } | |
8b11b59f | 95 | gfc_try; |
6de9cd9a | 96 | |
696abb30 JD |
97 | /* These are flags for identifying whether we are reading a character literal |
98 | between quotes or normal source code. */ | |
99 | ||
100 | typedef enum | |
101 | { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN } | |
102 | gfc_instring; | |
103 | ||
8f0d39a8 FXC |
104 | /* This is returned by gfc_notification_std to know if, given the flags |
105 | that were given (-std=, -pedantic) we should issue an error, a warning | |
106 | or nothing. */ | |
107 | ||
108 | typedef enum | |
109 | { SILENT, WARNING, ERROR } | |
110 | notification; | |
111 | ||
6de9cd9a DN |
112 | /* Matchers return one of these three values. The difference between |
113 | MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was | |
114 | successful, but that something non-syntactic is wrong and an error | |
115 | has already been issued. */ | |
116 | ||
117 | typedef enum | |
118 | { MATCH_NO = 1, MATCH_YES, MATCH_ERROR } | |
119 | match; | |
120 | ||
696abb30 | 121 | /* Used for different Fortran source forms in places like scanner.c. */ |
6de9cd9a DN |
122 | typedef enum |
123 | { FORM_FREE, FORM_FIXED, FORM_UNKNOWN } | |
124 | gfc_source_form; | |
125 | ||
6de9cd9a DN |
126 | /* Expression node types. */ |
127 | typedef enum | |
128 | { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, | |
713485cc | 129 | EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL, EXPR_PPC |
6de9cd9a DN |
130 | } |
131 | expr_t; | |
132 | ||
133 | /* Array types. */ | |
134 | typedef enum | |
135 | { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, | |
f5ca06e6 | 136 | AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_UNKNOWN |
6de9cd9a DN |
137 | } |
138 | array_type; | |
139 | ||
140 | typedef enum | |
141 | { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN } | |
142 | ar_type; | |
143 | ||
144 | /* Statement label types. */ | |
145 | typedef enum | |
146 | { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, | |
147 | ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT | |
148 | } | |
149 | gfc_sl_type; | |
150 | ||
151 | /* Intrinsic operators. */ | |
152 | typedef enum | |
153 | { GFC_INTRINSIC_BEGIN = 0, | |
154 | INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, | |
155 | INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, | |
156 | INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, | |
157 | INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, | |
3bed9dd0 | 158 | /* ==, /=, >, >=, <, <= */ |
6de9cd9a | 159 | INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, |
3bed9dd0 DF |
160 | INTRINSIC_LT, INTRINSIC_LE, |
161 | /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */ | |
162 | INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, | |
163 | INTRINSIC_LT_OS, INTRINSIC_LE_OS, | |
164 | INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, | |
165 | INTRINSIC_PARENTHESES, GFC_INTRINSIC_END /* Sentinel */ | |
6de9cd9a DN |
166 | } |
167 | gfc_intrinsic_op; | |
168 | ||
6de9cd9a DN |
169 | /* This macro is the number of intrinsic operators that exist. |
170 | Assumptions are made about the numbering of the interface_op enums. */ | |
171 | #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END | |
172 | ||
173 | /* Arithmetic results. */ | |
174 | typedef enum | |
f8e566e5 | 175 | { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, |
6bb62671 | 176 | ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT |
6de9cd9a DN |
177 | } |
178 | arith; | |
179 | ||
180 | /* Statements. */ | |
181 | typedef enum | |
182 | { | |
03af1e4c DK |
183 | ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE, |
184 | ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA, | |
6de9cd9a DN |
185 | ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, |
186 | ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, | |
03af1e4c DK |
187 | ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA, |
188 | ST_ENDDO, ST_IMPLIED_ENDDO, | |
34523524 | 189 | ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, |
6403ec5f JB |
190 | ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, |
191 | ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, | |
d0a4a61c TB |
192 | ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, |
193 | ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_IMPORT, | |
194 | ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY, ST_SYNC_IMAGES, | |
6403ec5f JB |
195 | ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, |
196 | ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, | |
6f0f0b2e JD |
197 | ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, |
198 | ST_WRITE, ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, | |
6403ec5f | 199 | ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, |
cf2b3c22 | 200 | ST_ENUM, ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS, |
20906c66 JJ |
201 | ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC, |
202 | ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, | |
203 | ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, | |
6c7a4dfd JJ |
204 | ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, |
205 | ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, | |
206 | ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, | |
207 | ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, | |
a68ab351 | 208 | ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, |
20906c66 JJ |
209 | ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, |
210 | ST_END_CRITICAL, ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_NONE | |
6de9cd9a DN |
211 | } |
212 | gfc_statement; | |
213 | ||
6de9cd9a DN |
214 | /* Types of interfaces that we can have. Assignment interfaces are |
215 | considered to be intrinsic operators. */ | |
216 | typedef enum | |
217 | { | |
218 | INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, | |
9e1d712c | 219 | INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT |
6de9cd9a DN |
220 | } |
221 | interface_type; | |
222 | ||
223 | /* Symbol flavors: these are all mutually exclusive. | |
224 | 10 elements = 4 bits. */ | |
5f42ddb0 | 225 | typedef enum sym_flavor |
6de9cd9a DN |
226 | { |
227 | FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, | |
a8b3b0b6 CR |
228 | FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, |
229 | FL_VOID | |
6de9cd9a DN |
230 | } |
231 | sym_flavor; | |
232 | ||
233 | /* Procedure types. 7 elements = 3 bits. */ | |
5f42ddb0 | 234 | typedef enum procedure_type |
6de9cd9a DN |
235 | { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, |
236 | PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL | |
237 | } | |
238 | procedure_type; | |
239 | ||
240 | /* Intent types. */ | |
5f42ddb0 | 241 | typedef enum sym_intent |
6de9cd9a DN |
242 | { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT |
243 | } | |
244 | sym_intent; | |
245 | ||
246 | /* Access types. */ | |
5f42ddb0 KG |
247 | typedef enum gfc_access |
248 | { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE | |
6de9cd9a DN |
249 | } |
250 | gfc_access; | |
251 | ||
252 | /* Flags to keep track of where an interface came from. | |
c73b6478 | 253 | 3 elements = 2 bits. */ |
5f42ddb0 | 254 | typedef enum ifsrc |
c73b6478 JW |
255 | { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */ |
256 | IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */ | |
257 | IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement | |
258 | with explicit interface. */ | |
6de9cd9a DN |
259 | } |
260 | ifsrc; | |
261 | ||
86bf520d | 262 | /* Whether a SAVE attribute was set explicitly or implicitly. */ |
5349080d TB |
263 | typedef enum save_state |
264 | { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT | |
265 | } | |
266 | save_state; | |
267 | ||
6de9cd9a DN |
268 | /* Strings for all symbol attributes. We use these for dumping the |
269 | parse tree, in error messages, and also when reading and writing | |
270 | modules. In symbol.c. */ | |
271 | extern const mstring flavors[]; | |
272 | extern const mstring procedures[]; | |
273 | extern const mstring intents[]; | |
274 | extern const mstring access_types[]; | |
275 | extern const mstring ifsrc_types[]; | |
ef7236d2 | 276 | extern const mstring save_status[]; |
6de9cd9a DN |
277 | |
278 | /* Enumeration of all the generic intrinsic functions. Used by the | |
279 | backend for identification of a function. */ | |
280 | ||
cd5ecab6 | 281 | enum gfc_isym_id |
6de9cd9a DN |
282 | { |
283 | /* GFC_ISYM_NONE is used for intrinsics which will never be seen by | |
df2fba9e | 284 | the backend (e.g. KIND). */ |
6de9cd9a | 285 | GFC_ISYM_NONE = 0, |
cd5ecab6 | 286 | GFC_ISYM_ABORT, |
6de9cd9a | 287 | GFC_ISYM_ABS, |
a119fc1c | 288 | GFC_ISYM_ACCESS, |
6de9cd9a DN |
289 | GFC_ISYM_ACHAR, |
290 | GFC_ISYM_ACOS, | |
1e399e23 | 291 | GFC_ISYM_ACOSH, |
6de9cd9a DN |
292 | GFC_ISYM_ADJUSTL, |
293 | GFC_ISYM_ADJUSTR, | |
294 | GFC_ISYM_AIMAG, | |
295 | GFC_ISYM_AINT, | |
cd5ecab6 | 296 | GFC_ISYM_ALARM, |
6de9cd9a DN |
297 | GFC_ISYM_ALL, |
298 | GFC_ISYM_ALLOCATED, | |
5d723e54 | 299 | GFC_ISYM_AND, |
cd5ecab6 | 300 | GFC_ISYM_ANINT, |
6de9cd9a DN |
301 | GFC_ISYM_ANY, |
302 | GFC_ISYM_ASIN, | |
1e399e23 | 303 | GFC_ISYM_ASINH, |
6de9cd9a DN |
304 | GFC_ISYM_ASSOCIATED, |
305 | GFC_ISYM_ATAN, | |
306 | GFC_ISYM_ATAN2, | |
cd5ecab6 | 307 | GFC_ISYM_ATANH, |
da661a58 TB |
308 | GFC_ISYM_ATOMIC_DEF, |
309 | GFC_ISYM_ATOMIC_REF, | |
88a95a11 FXC |
310 | GFC_ISYM_BGE, |
311 | GFC_ISYM_BGT, | |
cd5ecab6 | 312 | GFC_ISYM_BIT_SIZE, |
88a95a11 FXC |
313 | GFC_ISYM_BLE, |
314 | GFC_ISYM_BLT, | |
6de9cd9a DN |
315 | GFC_ISYM_BTEST, |
316 | GFC_ISYM_CEILING, | |
317 | GFC_ISYM_CHAR, | |
f77b6ca3 | 318 | GFC_ISYM_CHDIR, |
a119fc1c | 319 | GFC_ISYM_CHMOD, |
6de9cd9a | 320 | GFC_ISYM_CMPLX, |
b41b2534 | 321 | GFC_ISYM_COMMAND_ARGUMENT_COUNT, |
d000aa67 TB |
322 | GFC_ISYM_COMPILER_OPTIONS, |
323 | GFC_ISYM_COMPILER_VERSION, | |
5d723e54 | 324 | GFC_ISYM_COMPLEX, |
6de9cd9a | 325 | GFC_ISYM_CONJG, |
cd5ecab6 | 326 | GFC_ISYM_CONVERSION, |
6de9cd9a DN |
327 | GFC_ISYM_COS, |
328 | GFC_ISYM_COSH, | |
329 | GFC_ISYM_COUNT, | |
cd5ecab6 | 330 | GFC_ISYM_CPU_TIME, |
6de9cd9a | 331 | GFC_ISYM_CSHIFT, |
35059811 | 332 | GFC_ISYM_CTIME, |
048510c8 | 333 | GFC_ISYM_C_SIZEOF, |
cd5ecab6 | 334 | GFC_ISYM_DATE_AND_TIME, |
6de9cd9a | 335 | GFC_ISYM_DBLE, |
cd5ecab6 | 336 | GFC_ISYM_DIGITS, |
6de9cd9a DN |
337 | GFC_ISYM_DIM, |
338 | GFC_ISYM_DOT_PRODUCT, | |
339 | GFC_ISYM_DPROD, | |
88a95a11 FXC |
340 | GFC_ISYM_DSHIFTL, |
341 | GFC_ISYM_DSHIFTR, | |
cd5ecab6 | 342 | GFC_ISYM_DTIME, |
6de9cd9a | 343 | GFC_ISYM_EOSHIFT, |
cd5ecab6 | 344 | GFC_ISYM_EPSILON, |
e8525382 SK |
345 | GFC_ISYM_ERF, |
346 | GFC_ISYM_ERFC, | |
f489fba1 | 347 | GFC_ISYM_ERFC_SCALED, |
2bd74949 | 348 | GFC_ISYM_ETIME, |
c14c8155 | 349 | GFC_ISYM_EXECUTE_COMMAND_LINE, |
cd5ecab6 | 350 | GFC_ISYM_EXIT, |
6de9cd9a DN |
351 | GFC_ISYM_EXP, |
352 | GFC_ISYM_EXPONENT, | |
cf2b3c22 | 353 | GFC_ISYM_EXTENDS_TYPE_OF, |
35059811 | 354 | GFC_ISYM_FDATE, |
5d723e54 FXC |
355 | GFC_ISYM_FGET, |
356 | GFC_ISYM_FGETC, | |
6de9cd9a | 357 | GFC_ISYM_FLOOR, |
cd5ecab6 | 358 | GFC_ISYM_FLUSH, |
df65f093 | 359 | GFC_ISYM_FNUM, |
5d723e54 FXC |
360 | GFC_ISYM_FPUT, |
361 | GFC_ISYM_FPUTC, | |
6de9cd9a | 362 | GFC_ISYM_FRACTION, |
cd5ecab6 DF |
363 | GFC_ISYM_FREE, |
364 | GFC_ISYM_FSEEK, | |
df65f093 | 365 | GFC_ISYM_FSTAT, |
5d723e54 | 366 | GFC_ISYM_FTELL, |
7bc19392 | 367 | GFC_ISYM_TGAMMA, |
cd5ecab6 DF |
368 | GFC_ISYM_GERROR, |
369 | GFC_ISYM_GETARG, | |
370 | GFC_ISYM_GET_COMMAND, | |
371 | GFC_ISYM_GET_COMMAND_ARGUMENT, | |
a8c60d7f | 372 | GFC_ISYM_GETCWD, |
cd5ecab6 DF |
373 | GFC_ISYM_GETENV, |
374 | GFC_ISYM_GET_ENVIRONMENT_VARIABLE, | |
4c0c6b9f | 375 | GFC_ISYM_GETGID, |
cd5ecab6 | 376 | GFC_ISYM_GETLOG, |
4c0c6b9f SK |
377 | GFC_ISYM_GETPID, |
378 | GFC_ISYM_GETUID, | |
cd5ecab6 | 379 | GFC_ISYM_GMTIME, |
f77b6ca3 | 380 | GFC_ISYM_HOSTNM, |
cd5ecab6 | 381 | GFC_ISYM_HUGE, |
f489fba1 | 382 | GFC_ISYM_HYPOT, |
6de9cd9a | 383 | GFC_ISYM_IACHAR, |
195a95c4 | 384 | GFC_ISYM_IALL, |
6de9cd9a | 385 | GFC_ISYM_IAND, |
195a95c4 | 386 | GFC_ISYM_IANY, |
b41b2534 | 387 | GFC_ISYM_IARGC, |
6de9cd9a DN |
388 | GFC_ISYM_IBCLR, |
389 | GFC_ISYM_IBITS, | |
390 | GFC_ISYM_IBSET, | |
391 | GFC_ISYM_ICHAR, | |
cd5ecab6 | 392 | GFC_ISYM_IDATE, |
6de9cd9a | 393 | GFC_ISYM_IEOR, |
f77b6ca3 | 394 | GFC_ISYM_IERRNO, |
64f002ed | 395 | GFC_ISYM_IMAGE_INDEX, |
6de9cd9a DN |
396 | GFC_ISYM_INDEX, |
397 | GFC_ISYM_INT, | |
bf3fb7e4 FXC |
398 | GFC_ISYM_INT2, |
399 | GFC_ISYM_INT8, | |
6de9cd9a | 400 | GFC_ISYM_IOR, |
195a95c4 | 401 | GFC_ISYM_IPARITY, |
2bd74949 | 402 | GFC_ISYM_IRAND, |
ae8b8789 | 403 | GFC_ISYM_ISATTY, |
bae89173 FXC |
404 | GFC_ISYM_IS_IOSTAT_END, |
405 | GFC_ISYM_IS_IOSTAT_EOR, | |
3d97b1af | 406 | GFC_ISYM_ISNAN, |
6de9cd9a DN |
407 | GFC_ISYM_ISHFT, |
408 | GFC_ISYM_ISHFTC, | |
cd5ecab6 DF |
409 | GFC_ISYM_ITIME, |
410 | GFC_ISYM_J0, | |
411 | GFC_ISYM_J1, | |
412 | GFC_ISYM_JN, | |
29698e0f | 413 | GFC_ISYM_JN2, |
f77b6ca3 | 414 | GFC_ISYM_KILL, |
cd5ecab6 | 415 | GFC_ISYM_KIND, |
6de9cd9a | 416 | GFC_ISYM_LBOUND, |
64f002ed | 417 | GFC_ISYM_LCOBOUND, |
414f00e9 | 418 | GFC_ISYM_LEADZ, |
6de9cd9a DN |
419 | GFC_ISYM_LEN, |
420 | GFC_ISYM_LEN_TRIM, | |
88607a9a | 421 | GFC_ISYM_LGAMMA, |
6de9cd9a DN |
422 | GFC_ISYM_LGE, |
423 | GFC_ISYM_LGT, | |
cd5ecab6 | 424 | GFC_ISYM_LINK, |
6de9cd9a DN |
425 | GFC_ISYM_LLE, |
426 | GFC_ISYM_LLT, | |
83d890b9 | 427 | GFC_ISYM_LOC, |
bf3fb7e4 | 428 | GFC_ISYM_LOG, |
6de9cd9a DN |
429 | GFC_ISYM_LOG10, |
430 | GFC_ISYM_LOGICAL, | |
bf3fb7e4 | 431 | GFC_ISYM_LONG, |
a119fc1c | 432 | GFC_ISYM_LSHIFT, |
bf3fb7e4 | 433 | GFC_ISYM_LSTAT, |
cd5ecab6 | 434 | GFC_ISYM_LTIME, |
0d519038 | 435 | GFC_ISYM_MALLOC, |
88a95a11 FXC |
436 | GFC_ISYM_MASKL, |
437 | GFC_ISYM_MASKR, | |
6de9cd9a DN |
438 | GFC_ISYM_MATMUL, |
439 | GFC_ISYM_MAX, | |
cd5ecab6 | 440 | GFC_ISYM_MAXEXPONENT, |
6de9cd9a DN |
441 | GFC_ISYM_MAXLOC, |
442 | GFC_ISYM_MAXVAL, | |
bf3fb7e4 FXC |
443 | GFC_ISYM_MCLOCK, |
444 | GFC_ISYM_MCLOCK8, | |
6de9cd9a | 445 | GFC_ISYM_MERGE, |
88a95a11 | 446 | GFC_ISYM_MERGE_BITS, |
6de9cd9a | 447 | GFC_ISYM_MIN, |
cd5ecab6 | 448 | GFC_ISYM_MINEXPONENT, |
6de9cd9a DN |
449 | GFC_ISYM_MINLOC, |
450 | GFC_ISYM_MINVAL, | |
451 | GFC_ISYM_MOD, | |
452 | GFC_ISYM_MODULO, | |
cd5ecab6 DF |
453 | GFC_ISYM_MOVE_ALLOC, |
454 | GFC_ISYM_MVBITS, | |
6de9cd9a | 455 | GFC_ISYM_NEAREST, |
cd5ecab6 | 456 | GFC_ISYM_NEW_LINE, |
6de9cd9a | 457 | GFC_ISYM_NINT, |
0cd0559e | 458 | GFC_ISYM_NORM2, |
6de9cd9a | 459 | GFC_ISYM_NOT, |
cd5ecab6 | 460 | GFC_ISYM_NULL, |
60386f50 | 461 | GFC_ISYM_NUM_IMAGES, |
5d723e54 | 462 | GFC_ISYM_OR, |
6de9cd9a | 463 | GFC_ISYM_PACK, |
0cd0559e | 464 | GFC_ISYM_PARITY, |
cd5ecab6 | 465 | GFC_ISYM_PERROR, |
ad5f4de2 FXC |
466 | GFC_ISYM_POPCNT, |
467 | GFC_ISYM_POPPAR, | |
cd5ecab6 | 468 | GFC_ISYM_PRECISION, |
6de9cd9a DN |
469 | GFC_ISYM_PRESENT, |
470 | GFC_ISYM_PRODUCT, | |
cd5ecab6 | 471 | GFC_ISYM_RADIX, |
2bd74949 | 472 | GFC_ISYM_RAND, |
cd5ecab6 DF |
473 | GFC_ISYM_RANDOM_NUMBER, |
474 | GFC_ISYM_RANDOM_SEED, | |
475 | GFC_ISYM_RANGE, | |
2514987f | 476 | GFC_ISYM_RANK, |
6de9cd9a | 477 | GFC_ISYM_REAL, |
f77b6ca3 | 478 | GFC_ISYM_RENAME, |
6de9cd9a DN |
479 | GFC_ISYM_REPEAT, |
480 | GFC_ISYM_RESHAPE, | |
481 | GFC_ISYM_RRSPACING, | |
cd5ecab6 | 482 | GFC_ISYM_RSHIFT, |
cf2b3c22 | 483 | GFC_ISYM_SAME_TYPE_AS, |
a39fafac | 484 | GFC_ISYM_SC_KIND, |
6de9cd9a DN |
485 | GFC_ISYM_SCALE, |
486 | GFC_ISYM_SCAN, | |
53096259 | 487 | GFC_ISYM_SECNDS, |
cd5ecab6 | 488 | GFC_ISYM_SECOND, |
6de9cd9a DN |
489 | GFC_ISYM_SET_EXPONENT, |
490 | GFC_ISYM_SHAPE, | |
88a95a11 FXC |
491 | GFC_ISYM_SHIFTA, |
492 | GFC_ISYM_SHIFTL, | |
493 | GFC_ISYM_SHIFTR, | |
6de9cd9a | 494 | GFC_ISYM_SIGN, |
185d7d97 | 495 | GFC_ISYM_SIGNAL, |
cd5ecab6 | 496 | GFC_ISYM_SI_KIND, |
6de9cd9a DN |
497 | GFC_ISYM_SIN, |
498 | GFC_ISYM_SINH, | |
499 | GFC_ISYM_SIZE, | |
cd5ecab6 | 500 | GFC_ISYM_SLEEP, |
fd2157ce | 501 | GFC_ISYM_SIZEOF, |
6de9cd9a DN |
502 | GFC_ISYM_SPACING, |
503 | GFC_ISYM_SPREAD, | |
504 | GFC_ISYM_SQRT, | |
cd5ecab6 | 505 | GFC_ISYM_SRAND, |
6de9cd9a | 506 | GFC_ISYM_SR_KIND, |
df65f093 | 507 | GFC_ISYM_STAT, |
048510c8 | 508 | GFC_ISYM_STORAGE_SIZE, |
6de9cd9a | 509 | GFC_ISYM_SUM, |
cd5ecab6 | 510 | GFC_ISYM_SYMLINK, |
f77b6ca3 | 511 | GFC_ISYM_SYMLNK, |
5b1374e9 | 512 | GFC_ISYM_SYSTEM, |
cd5ecab6 | 513 | GFC_ISYM_SYSTEM_CLOCK, |
6de9cd9a DN |
514 | GFC_ISYM_TAN, |
515 | GFC_ISYM_TANH, | |
64f002ed | 516 | GFC_ISYM_THIS_IMAGE, |
f77b6ca3 FXC |
517 | GFC_ISYM_TIME, |
518 | GFC_ISYM_TIME8, | |
cd5ecab6 | 519 | GFC_ISYM_TINY, |
414f00e9 | 520 | GFC_ISYM_TRAILZ, |
6de9cd9a DN |
521 | GFC_ISYM_TRANSFER, |
522 | GFC_ISYM_TRANSPOSE, | |
523 | GFC_ISYM_TRIM, | |
25fc05eb | 524 | GFC_ISYM_TTYNAM, |
6de9cd9a | 525 | GFC_ISYM_UBOUND, |
64f002ed | 526 | GFC_ISYM_UCOBOUND, |
d8fe26b2 SK |
527 | GFC_ISYM_UMASK, |
528 | GFC_ISYM_UNLINK, | |
6de9cd9a DN |
529 | GFC_ISYM_UNPACK, |
530 | GFC_ISYM_VERIFY, | |
5d723e54 | 531 | GFC_ISYM_XOR, |
cd5ecab6 DF |
532 | GFC_ISYM_Y0, |
533 | GFC_ISYM_Y1, | |
29698e0f TB |
534 | GFC_ISYM_YN, |
535 | GFC_ISYM_YN2 | |
6de9cd9a | 536 | }; |
cd5ecab6 | 537 | typedef enum gfc_isym_id gfc_isym_id; |
6de9cd9a | 538 | |
f96d606f | 539 | |
51b09ce3 AL |
540 | typedef enum |
541 | { | |
542 | GFC_INIT_REAL_OFF = 0, | |
543 | GFC_INIT_REAL_ZERO, | |
544 | GFC_INIT_REAL_NAN, | |
346a77d1 | 545 | GFC_INIT_REAL_SNAN, |
51b09ce3 AL |
546 | GFC_INIT_REAL_INF, |
547 | GFC_INIT_REAL_NEG_INF | |
548 | } | |
549 | init_local_real; | |
550 | ||
551 | typedef enum | |
552 | { | |
553 | GFC_INIT_LOGICAL_OFF = 0, | |
554 | GFC_INIT_LOGICAL_FALSE, | |
555 | GFC_INIT_LOGICAL_TRUE | |
556 | } | |
557 | init_local_logical; | |
558 | ||
559 | typedef enum | |
560 | { | |
561 | GFC_INIT_CHARACTER_OFF = 0, | |
562 | GFC_INIT_CHARACTER_ON | |
563 | } | |
564 | init_local_character; | |
565 | ||
566 | typedef enum | |
567 | { | |
568 | GFC_INIT_INTEGER_OFF = 0, | |
569 | GFC_INIT_INTEGER_ON | |
570 | } | |
571 | init_local_integer; | |
572 | ||
f4d1d50a TB |
573 | typedef enum |
574 | { | |
575 | GFC_FCOARRAY_NONE = 0, | |
60386f50 TB |
576 | GFC_FCOARRAY_SINGLE, |
577 | GFC_FCOARRAY_LIB | |
f4d1d50a TB |
578 | } |
579 | gfc_fcoarray; | |
580 | ||
3d03ead0 PT |
581 | typedef enum |
582 | { | |
aed5574e PT |
583 | GFC_ENABLE_REVERSE, |
584 | GFC_FORWARD_SET, | |
3d03ead0 | 585 | GFC_REVERSE_SET, |
aed5574e | 586 | GFC_INHIBIT_REVERSE |
3d03ead0 PT |
587 | } |
588 | gfc_reverse; | |
589 | ||
6de9cd9a DN |
590 | /************************* Structures *****************************/ |
591 | ||
5cf54585 TS |
592 | /* Used for keeping things in balanced binary trees. */ |
593 | #define BBT_HEADER(self) int priority; struct self *left, *right | |
594 | ||
7306b628 | 595 | #define NAMED_INTCST(a,b,c,d) a, |
be1f1ed9 | 596 | #define NAMED_KINDARRAY(a,b,c,d) a, |
d000aa67 | 597 | #define NAMED_FUNCTION(a,b,c,d) a, |
fea54935 | 598 | #define NAMED_DERIVED_TYPE(a,b,c,d) a, |
a8b3b0b6 CR |
599 | typedef enum |
600 | { | |
601 | ISOFORTRANENV_INVALID = -1, | |
602 | #include "iso-fortran-env.def" | |
603 | ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST | |
604 | } | |
605 | iso_fortran_env_symbol; | |
d000aa67 | 606 | #undef NAMED_INTCST |
be1f1ed9 | 607 | #undef NAMED_KINDARRAY |
d000aa67 | 608 | #undef NAMED_FUNCTION |
fea54935 | 609 | #undef NAMED_DERIVED_TYPE |
a8b3b0b6 | 610 | |
7306b628 | 611 | #define NAMED_INTCST(a,b,c,d) a, |
28d0b595 TB |
612 | #define NAMED_REALCST(a,b,c,d) a, |
613 | #define NAMED_CMPXCST(a,b,c,d) a, | |
a8b3b0b6 CR |
614 | #define NAMED_LOGCST(a,b,c) a, |
615 | #define NAMED_CHARKNDCST(a,b,c) a, | |
616 | #define NAMED_CHARCST(a,b,c) a, | |
617 | #define DERIVED_TYPE(a,b,c) a, | |
618 | #define PROCEDURE(a,b) a, | |
d000aa67 | 619 | #define NAMED_FUNCTION(a,b,c,d) a, |
a8b3b0b6 CR |
620 | typedef enum |
621 | { | |
622 | ISOCBINDING_INVALID = -1, | |
623 | #include "iso-c-binding.def" | |
624 | ISOCBINDING_LAST, | |
625 | ISOCBINDING_NUMBER = ISOCBINDING_LAST | |
626 | } | |
627 | iso_c_binding_symbol; | |
628 | #undef NAMED_INTCST | |
629 | #undef NAMED_REALCST | |
630 | #undef NAMED_CMPXCST | |
631 | #undef NAMED_LOGCST | |
632 | #undef NAMED_CHARKNDCST | |
633 | #undef NAMED_CHARCST | |
634 | #undef DERIVED_TYPE | |
635 | #undef PROCEDURE | |
d000aa67 | 636 | #undef NAMED_FUNCTION |
a8b3b0b6 CR |
637 | |
638 | typedef enum | |
639 | { | |
640 | INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING | |
641 | } | |
642 | intmod_id; | |
643 | ||
644 | typedef struct | |
645 | { | |
646 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
647 | int value; /* Used for both integer and character values. */ | |
648 | bt f90_type; | |
649 | } | |
650 | CInteropKind_t; | |
651 | ||
652 | /* Array of structs, where the structs represent the C interop kinds. | |
653 | The list will be implemented based on a hash of the kind name since | |
654 | these could be accessed multiple times. | |
655 | Declared in trans-types.c as a global, since it's in that file | |
656 | that the list is initialized. */ | |
657 | extern CInteropKind_t c_interop_kinds_table[]; | |
658 | ||
08a6b8e0 TB |
659 | |
660 | /* Structure and list of supported extension attributes. */ | |
2b374f55 | 661 | typedef enum |
08a6b8e0 TB |
662 | { |
663 | EXT_ATTR_DLLIMPORT = 0, | |
664 | EXT_ATTR_DLLEXPORT, | |
665 | EXT_ATTR_STDCALL, | |
666 | EXT_ATTR_CDECL, | |
667 | EXT_ATTR_FASTCALL, | |
668 | EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST | |
2b374f55 TB |
669 | } |
670 | ext_attr_id_t; | |
08a6b8e0 TB |
671 | |
672 | typedef struct | |
673 | { | |
674 | const char *name; | |
675 | unsigned id; | |
676 | const char *middle_end_name; | |
677 | } | |
678 | ext_attr_t; | |
679 | ||
680 | extern const ext_attr_t ext_attr_list[]; | |
681 | ||
6de9cd9a DN |
682 | /* Symbol attribute structure. */ |
683 | typedef struct | |
684 | { | |
685 | /* Variable attributes. */ | |
be59db2d | 686 | unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1, |
59e36b72 | 687 | optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, |
e9bd9f7d | 688 | dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, |
fe4e525c TB |
689 | implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1, |
690 | contiguous:1; | |
6de9cd9a | 691 | |
41a394bb DK |
692 | /* For CLASS containers, the pointer attribute is sometimes set internally |
693 | even though it was not directly specified. In this case, keep the | |
694 | "real" (original) value here. */ | |
695 | unsigned class_pointer:1; | |
696 | ||
5349080d TB |
697 | ENUM_BITFIELD (save_state) save:2; |
698 | ||
6de9cd9a | 699 | unsigned data:1, /* Symbol is named in a DATA statement. */ |
8b11b59f | 700 | is_protected:1, /* Symbol has been marked as protected. */ |
993ef28f | 701 | use_assoc:1, /* Symbol has been use-associated. */ |
5a8af0b4 | 702 | use_only:1, /* Symbol has been use-associated, with ONLY. */ |
0e5a218b | 703 | use_rename:1, /* Symbol has been use-associated and renamed. */ |
022e30c0 PT |
704 | imported:1, /* Symbol has been associated by IMPORT. */ |
705 | host_assoc:1; /* Symbol has been host associated. */ | |
6de9cd9a | 706 | |
30aabb86 | 707 | unsigned in_namelist:1, in_common:1, in_equivalence:1; |
69773742 JW |
708 | unsigned function:1, subroutine:1, procedure:1; |
709 | unsigned generic:1, generic_copy:1; | |
d1303acd | 710 | unsigned implicit_type:1; /* Type defined via implicit rules. */ |
ebb479cd | 711 | unsigned untyped:1; /* No implicit type could be found. */ |
6de9cd9a | 712 | |
ebb479cd | 713 | unsigned is_bind_c:1; /* say if is bound to C. */ |
7c1dab0d | 714 | unsigned extension:8; /* extension level of a derived type. */ |
cf2b3c22 | 715 | unsigned is_class:1; /* is a CLASS container. */ |
2e23972e | 716 | unsigned class_ok:1; /* is a CLASS object with correct attributes. */ |
eece1eb9 PT |
717 | unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */ |
718 | unsigned vtype:1; /* is a derived type of a vtab. */ | |
a8b3b0b6 CR |
719 | |
720 | /* These flags are both in the typespec and attribute. The attribute | |
721 | list is what gets read from/written to a module file. The typespec | |
722 | is created from a decl being processed. */ | |
723 | unsigned is_c_interop:1; /* It's c interoperable. */ | |
724 | unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ | |
725 | ||
6de9cd9a DN |
726 | /* Function/subroutine attributes */ |
727 | unsigned sequence:1, elemental:1, pure:1, recursive:1; | |
9e1d712c | 728 | unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; |
6de9cd9a | 729 | |
f1f39033 PT |
730 | /* This is set if a contained procedure could be declared pure. This is |
731 | used for certain optimizations that require the result or arguments | |
732 | cannot alias. Note that this is zero for PURE procedures. */ | |
733 | unsigned implicit_pure:1; | |
734 | ||
fe58e076 TK |
735 | /* This is set if the subroutine doesn't return. Currently, this |
736 | is only possible for intrinsic subroutines. */ | |
737 | unsigned noreturn:1; | |
738 | ||
3d79abbd PB |
739 | /* Set if this procedure is an alternate entry point. These procedures |
740 | don't have any code associated, and the backend will turn them into | |
741 | thunks to the master function. */ | |
742 | unsigned entry:1; | |
8b67b708 | 743 | |
3d79abbd PB |
744 | /* Set if this is the master function for a procedure with multiple |
745 | entry points. */ | |
746 | unsigned entry_master:1; | |
8b67b708 | 747 | |
d198b59a JJ |
748 | /* Set if this is the master function for a function with multiple |
749 | entry points where characteristics of the entry points differ. */ | |
750 | unsigned mixed_entry_master:1; | |
3d79abbd | 751 | |
6de9cd9a DN |
752 | /* Set if a function must always be referenced by an explicit interface. */ |
753 | unsigned always_explicit:1; | |
754 | ||
755 | /* Set if the symbol has been referenced in an expression. No further | |
756 | modification of type or type parameters is permitted. */ | |
757 | unsigned referenced:1; | |
758 | ||
ecf24057 | 759 | /* Set if this is the symbol for the main program. */ |
8b67b708 FXC |
760 | unsigned is_main_program:1; |
761 | ||
6de9cd9a | 762 | /* Mutually exclusive multibit attributes. */ |
5f42ddb0 KG |
763 | ENUM_BITFIELD (gfc_access) access:2; |
764 | ENUM_BITFIELD (sym_intent) intent:2; | |
765 | ENUM_BITFIELD (sym_flavor) flavor:4; | |
766 | ENUM_BITFIELD (ifsrc) if_source:2; | |
6de9cd9a | 767 | |
5f42ddb0 | 768 | ENUM_BITFIELD (procedure_type) proc:3; |
949446f5 | 769 | |
83d890b9 | 770 | /* Special attributes for Cray pointers, pointees. */ |
949446f5 | 771 | unsigned cray_pointer:1, cray_pointee:1; |
6de9cd9a | 772 | |
5cca320d | 773 | /* The symbol is a derived type with allocatable components, pointer |
713485cc JW |
774 | components or private components, procedure pointer components, |
775 | possibly nested. zero_comp is true if the derived type has no | |
776 | component at all. */ | |
777 | unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1, | |
fea54935 | 778 | private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1; |
77bb16aa | 779 | |
8c91ab34 DK |
780 | /* This is a temporary selector for SELECT TYPE. */ |
781 | unsigned select_type_temporary:1; | |
782 | ||
08a6b8e0 TB |
783 | /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */ |
784 | unsigned ext_attr:EXT_ATTR_NUM; | |
785 | ||
1eee5628 TB |
786 | /* The namespace where the attribute has been set. */ |
787 | struct gfc_namespace *volatile_ns, *asynchronous_ns; | |
6de9cd9a DN |
788 | } |
789 | symbol_attribute; | |
790 | ||
791 | ||
8fc541d3 FXC |
792 | /* We need to store source lines as sequences of multibyte source |
793 | characters. We define here a type wide enough to hold any multibyte | |
794 | source character, just like libcpp does. A 32-bit type is enough. */ | |
795 | ||
796 | #if HOST_BITS_PER_INT >= 32 | |
797 | typedef unsigned int gfc_char_t; | |
798 | #elif HOST_BITS_PER_LONG >= 32 | |
799 | typedef unsigned long gfc_char_t; | |
800 | #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) | |
801 | typedef unsigned long long gfc_char_t; | |
802 | #else | |
803 | # error "Cannot find an integer type with at least 32 bits" | |
804 | #endif | |
805 | ||
806 | ||
d4fa05b9 | 807 | /* The following three structures are used to identify a location in |
949446f5 BF |
808 | the sources. |
809 | ||
d4fa05b9 TS |
810 | gfc_file is used to maintain a tree of the source files and how |
811 | they include each other | |
6de9cd9a | 812 | |
d4fa05b9 TS |
813 | gfc_linebuf holds a single line of source code and information |
814 | which file it resides in | |
6de9cd9a | 815 | |
d4fa05b9 | 816 | locus point to the sourceline and the character in the source |
949446f5 | 817 | line. |
d4fa05b9 | 818 | */ |
6de9cd9a | 819 | |
949446f5 | 820 | typedef struct gfc_file |
6de9cd9a | 821 | { |
1b271c9b | 822 | struct gfc_file *next, *up; |
d4fa05b9 TS |
823 | int inclusion_line, line; |
824 | char *filename; | |
825 | } gfc_file; | |
826 | ||
949446f5 | 827 | typedef struct gfc_linebuf |
d4fa05b9 | 828 | { |
c8cc8542 | 829 | source_location location; |
d4fa05b9 TS |
830 | struct gfc_file *file; |
831 | struct gfc_linebuf *next; | |
832 | ||
ba1defa5 | 833 | int truncated; |
9e8a6720 | 834 | bool dbg_emitted; |
ba1defa5 | 835 | |
8fc541d3 | 836 | gfc_char_t line[1]; |
d4fa05b9 | 837 | } gfc_linebuf; |
4cdf7223 PB |
838 | |
839 | #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) | |
840 | ||
5ffeb913 | 841 | #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) |
5ffeb913 | 842 | |
949446f5 | 843 | typedef struct |
d4fa05b9 | 844 | { |
8fc541d3 | 845 | gfc_char_t *nextc; |
d4fa05b9 TS |
846 | gfc_linebuf *lb; |
847 | } locus; | |
6de9cd9a | 848 | |
0ce0154c KG |
849 | /* In order for the "gfc" format checking to work correctly, you must |
850 | have declared a typedef locus first. */ | |
851 | #if GCC_VERSION >= 4001 | |
852 | #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) | |
853 | #else | |
854 | #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) | |
855 | #endif | |
856 | ||
6de9cd9a | 857 | |
a3d3c0f5 DK |
858 | /* Suppress error messages or re-enable them. */ |
859 | ||
860 | void gfc_push_suppress_errors (void); | |
861 | void gfc_pop_suppress_errors (void); | |
6de9cd9a DN |
862 | |
863 | ||
864 | /* Character length structures hold the expression that gives the | |
865 | length of a character variable. We avoid putting these into | |
866 | gfc_typespec because doing so prevents us from doing structure | |
867 | copies and forces us to deallocate any typespecs we create, as well | |
868 | as structures that contain typespecs. They also can have multiple | |
869 | character typespecs pointing to them. | |
870 | ||
871 | These structures form a singly linked list within the current | |
872 | namespace and are deallocated with the namespace. It is possible to | |
873 | end up with gfc_charlen structures that have nothing pointing to them. */ | |
874 | ||
875 | typedef struct gfc_charlen | |
876 | { | |
877 | struct gfc_expr *length; | |
878 | struct gfc_charlen *next; | |
c03fc95d | 879 | bool length_from_typespec; /* Length from explicit array ctor typespec? */ |
6de9cd9a | 880 | tree backend_decl; |
e69afb29 | 881 | tree passed_length; /* Length argument explicitly passed. */ |
110eec24 TS |
882 | |
883 | int resolved; | |
6de9cd9a DN |
884 | } |
885 | gfc_charlen; | |
886 | ||
ece3f663 | 887 | #define gfc_get_charlen() XCNEW (gfc_charlen) |
6de9cd9a | 888 | |
bc21d315 | 889 | /* Type specification structure. */ |
6de9cd9a DN |
890 | typedef struct |
891 | { | |
892 | bt type; | |
893 | int kind; | |
bc21d315 JW |
894 | |
895 | union | |
896 | { | |
897 | struct gfc_symbol *derived; /* For derived types only. */ | |
898 | gfc_charlen *cl; /* For character types only. */ | |
401fcd3b | 899 | int pad; /* For hollerith types only. */ |
bc21d315 JW |
900 | } |
901 | u; | |
902 | ||
32d99e68 | 903 | struct gfc_symbol *interface; /* For PROCEDURE declarations. */ |
a8b3b0b6 CR |
904 | int is_c_interop; |
905 | int is_iso_c; | |
e69afb29 SK |
906 | bt f90_type; |
907 | bool deferred; | |
6de9cd9a DN |
908 | } |
909 | gfc_typespec; | |
910 | ||
911 | /* Array specification. */ | |
912 | typedef struct | |
913 | { | |
914 | int rank; /* A rank of zero means that a variable is a scalar. */ | |
be59db2d | 915 | int corank; |
178f9aa1 | 916 | array_type type, cotype; |
6de9cd9a | 917 | struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; |
83d890b9 AL |
918 | |
919 | /* These two fields are used with the Cray Pointer extension. */ | |
920 | bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ | |
921 | bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to | |
922 | AS_EXPLICIT, but we want to remember that we | |
923 | did this. */ | |
924 | ||
6de9cd9a DN |
925 | } |
926 | gfc_array_spec; | |
927 | ||
ece3f663 | 928 | #define gfc_get_array_spec() XCNEW (gfc_array_spec) |
6de9cd9a DN |
929 | |
930 | ||
931 | /* Components of derived types. */ | |
932 | typedef struct gfc_component | |
933 | { | |
cb9e4f55 | 934 | const char *name; |
6de9cd9a DN |
935 | gfc_typespec ts; |
936 | ||
d4b7d0f0 | 937 | symbol_attribute attr; |
6de9cd9a DN |
938 | gfc_array_spec *as; |
939 | ||
940 | tree backend_decl; | |
b3c1b8a1 MM |
941 | /* Used to cache a FIELD_DECL matching this same component |
942 | but applied to a different backend containing type that was | |
943 | generated by gfc_nonrestricted_type. */ | |
944 | tree norestrict_decl; | |
6de9cd9a DN |
945 | locus loc; |
946 | struct gfc_expr *initializer; | |
947 | struct gfc_component *next; | |
713485cc | 948 | |
90661f26 | 949 | /* Needed for procedure pointer components. */ |
713485cc | 950 | struct gfc_formal_arglist *formal; |
7e196f89 | 951 | struct gfc_namespace *formal_ns; |
90661f26 | 952 | struct gfc_typebound_proc *tb; |
6de9cd9a DN |
953 | } |
954 | gfc_component; | |
955 | ||
ece3f663 | 956 | #define gfc_get_component() XCNEW (gfc_component) |
6de9cd9a DN |
957 | |
958 | /* Formal argument lists are lists of symbols. */ | |
959 | typedef struct gfc_formal_arglist | |
960 | { | |
4f613946 | 961 | /* Symbol representing the argument at this position in the arglist. */ |
6de9cd9a | 962 | struct gfc_symbol *sym; |
4f613946 | 963 | /* Points to the next formal argument. */ |
6de9cd9a DN |
964 | struct gfc_formal_arglist *next; |
965 | } | |
966 | gfc_formal_arglist; | |
967 | ||
ece3f663 | 968 | #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) |
6de9cd9a DN |
969 | |
970 | ||
971 | /* The gfc_actual_arglist structure is for actual arguments. */ | |
972 | typedef struct gfc_actual_arglist | |
973 | { | |
cb9e4f55 | 974 | const char *name; |
6de9cd9a DN |
975 | /* Alternate return label when the expr member is null. */ |
976 | struct gfc_st_label *label; | |
977 | ||
1600fe22 TS |
978 | /* This is set to the type of an eventual omitted optional |
979 | argument. This is used to determine if a hidden string length | |
980 | argument has to be added to a function call. */ | |
981 | bt missing_arg_type; | |
982 | ||
6de9cd9a DN |
983 | struct gfc_expr *expr; |
984 | struct gfc_actual_arglist *next; | |
985 | } | |
986 | gfc_actual_arglist; | |
987 | ||
ece3f663 | 988 | #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) |
6de9cd9a DN |
989 | |
990 | ||
991 | /* Because a symbol can belong to multiple namelists, they must be | |
992 | linked externally to the symbol itself. */ | |
993 | typedef struct gfc_namelist | |
994 | { | |
995 | struct gfc_symbol *sym; | |
996 | struct gfc_namelist *next; | |
997 | } | |
998 | gfc_namelist; | |
999 | ||
ece3f663 | 1000 | #define gfc_get_namelist() XCNEW (gfc_namelist) |
6de9cd9a | 1001 | |
6c7a4dfd JJ |
1002 | enum |
1003 | { | |
1004 | OMP_LIST_PRIVATE, | |
1005 | OMP_LIST_FIRSTPRIVATE, | |
1006 | OMP_LIST_LASTPRIVATE, | |
1007 | OMP_LIST_COPYPRIVATE, | |
1008 | OMP_LIST_SHARED, | |
1009 | OMP_LIST_COPYIN, | |
1010 | OMP_LIST_PLUS, | |
1011 | OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS, | |
1012 | OMP_LIST_MULT, | |
1013 | OMP_LIST_SUB, | |
1014 | OMP_LIST_AND, | |
1015 | OMP_LIST_OR, | |
1016 | OMP_LIST_EQV, | |
1017 | OMP_LIST_NEQV, | |
1018 | OMP_LIST_MAX, | |
1019 | OMP_LIST_MIN, | |
1020 | OMP_LIST_IAND, | |
1021 | OMP_LIST_IOR, | |
1022 | OMP_LIST_IEOR, | |
1023 | OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR, | |
1024 | OMP_LIST_NUM | |
1025 | }; | |
1026 | ||
1027 | /* Because a symbol can belong to multiple namelists, they must be | |
1028 | linked externally to the symbol itself. */ | |
24b97832 ILT |
1029 | |
1030 | enum gfc_omp_sched_kind | |
1031 | { | |
1032 | OMP_SCHED_NONE, | |
1033 | OMP_SCHED_STATIC, | |
1034 | OMP_SCHED_DYNAMIC, | |
1035 | OMP_SCHED_GUIDED, | |
1036 | OMP_SCHED_RUNTIME, | |
1037 | OMP_SCHED_AUTO | |
1038 | }; | |
1039 | ||
1040 | enum gfc_omp_default_sharing | |
1041 | { | |
1042 | OMP_DEFAULT_UNKNOWN, | |
1043 | OMP_DEFAULT_NONE, | |
1044 | OMP_DEFAULT_PRIVATE, | |
1045 | OMP_DEFAULT_SHARED, | |
1046 | OMP_DEFAULT_FIRSTPRIVATE | |
1047 | }; | |
1048 | ||
6c7a4dfd JJ |
1049 | typedef struct gfc_omp_clauses |
1050 | { | |
1051 | struct gfc_expr *if_expr; | |
20906c66 | 1052 | struct gfc_expr *final_expr; |
6c7a4dfd JJ |
1053 | struct gfc_expr *num_threads; |
1054 | gfc_namelist *lists[OMP_LIST_NUM]; | |
24b97832 | 1055 | enum gfc_omp_sched_kind sched_kind; |
6c7a4dfd | 1056 | struct gfc_expr *chunk_size; |
24b97832 | 1057 | enum gfc_omp_default_sharing default_sharing; |
a68ab351 | 1058 | int collapse; |
20906c66 | 1059 | bool nowait, ordered, untied, mergeable; |
6c7a4dfd JJ |
1060 | } |
1061 | gfc_omp_clauses; | |
1062 | ||
ece3f663 | 1063 | #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) |
6c7a4dfd | 1064 | |
6de9cd9a | 1065 | |
d80c695f TS |
1066 | /* The gfc_st_label structure is a BBT attached to a namespace that |
1067 | records the usage of statement labels within that space. */ | |
1068 | ||
6de9cd9a DN |
1069 | typedef struct gfc_st_label |
1070 | { | |
5cf54585 TS |
1071 | BBT_HEADER(gfc_st_label); |
1072 | ||
6de9cd9a DN |
1073 | int value; |
1074 | ||
1075 | gfc_sl_type defined, referenced; | |
1076 | ||
1077 | struct gfc_expr *format; | |
1078 | ||
1079 | tree backend_decl; | |
1080 | ||
1081 | locus where; | |
6de9cd9a DN |
1082 | } |
1083 | gfc_st_label; | |
1084 | ||
1085 | ||
1086 | /* gfc_interface()-- Interfaces are lists of symbols strung together. */ | |
1087 | typedef struct gfc_interface | |
1088 | { | |
1089 | struct gfc_symbol *sym; | |
1090 | locus where; | |
1091 | struct gfc_interface *next; | |
1092 | } | |
1093 | gfc_interface; | |
1094 | ||
ece3f663 | 1095 | #define gfc_get_interface() XCNEW (gfc_interface) |
6de9cd9a | 1096 | |
6de9cd9a DN |
1097 | /* User operator nodes. These are like stripped down symbols. */ |
1098 | typedef struct | |
1099 | { | |
cb9e4f55 | 1100 | const char *name; |
6de9cd9a | 1101 | |
8b11b59f | 1102 | gfc_interface *op; |
6de9cd9a DN |
1103 | struct gfc_namespace *ns; |
1104 | gfc_access access; | |
1105 | } | |
1106 | gfc_user_op; | |
1107 | ||
30b608eb | 1108 | |
e157f736 DK |
1109 | /* A list of specific bindings that are associated with a generic spec. */ |
1110 | typedef struct gfc_tbp_generic | |
1111 | { | |
1112 | /* The parser sets specific_st, upon resolution we look for the corresponding | |
1113 | gfc_typebound_proc and set specific for further use. */ | |
1114 | struct gfc_symtree* specific_st; | |
1115 | struct gfc_typebound_proc* specific; | |
1116 | ||
1117 | struct gfc_tbp_generic* next; | |
218e1228 | 1118 | bool is_operator; |
e157f736 DK |
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. */ | |
9975a30b | 1241 | const char* binding_label; |
a8b3b0b6 CR |
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; |
9975a30b | 1258 | const char* binding_label; |
a8b3b0b6 | 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; | |
e9078ebb TB |
1302 | bool intrinsic; |
1303 | bool non_intrinsic; | |
1304 | bool only_flag; | |
a64f5186 | 1305 | struct gfc_use_rename *rename; |
9268ba9a | 1306 | locus where; |
a64f5186 JJ |
1307 | /* Next USE statement. */ |
1308 | struct gfc_use_list *next; | |
1309 | } | |
1310 | gfc_use_list; | |
1311 | ||
93acb62c | 1312 | #define gfc_get_use_list() XCNEW (gfc_use_list) |
a64f5186 | 1313 | |
6de9cd9a DN |
1314 | /* Within a namespace, symbols are pointed to by symtree nodes that |
1315 | are linked together in a balanced binary tree. There can be | |
1316 | several symtrees pointing to the same symbol node via USE | |
1317 | statements. */ | |
1318 | ||
6de9cd9a DN |
1319 | typedef struct gfc_symtree |
1320 | { | |
1321 | BBT_HEADER (gfc_symtree); | |
cb9e4f55 | 1322 | const char *name; |
6de9cd9a DN |
1323 | int ambiguous; |
1324 | union | |
1325 | { | |
1326 | gfc_symbol *sym; /* Symbol associated with this node */ | |
1327 | gfc_user_op *uop; | |
9056bd70 | 1328 | gfc_common_head *common; |
e34ccb4c | 1329 | gfc_typebound_proc *tb; |
6de9cd9a DN |
1330 | } |
1331 | n; | |
6de9cd9a DN |
1332 | } |
1333 | gfc_symtree; | |
1334 | ||
6b887797 PT |
1335 | /* A linked list of derived types in the namespace. */ |
1336 | typedef struct gfc_dt_list | |
1337 | { | |
1338 | struct gfc_symbol *derived; | |
1339 | struct gfc_dt_list *next; | |
1340 | } | |
1341 | gfc_dt_list; | |
1342 | ||
ece3f663 | 1343 | #define gfc_get_dt_list() XCNEW (gfc_dt_list) |
6b887797 | 1344 | |
7453378e PT |
1345 | /* A list of all derived types. */ |
1346 | extern gfc_dt_list *gfc_derived_types; | |
6b887797 | 1347 | |
9abe5e56 DK |
1348 | /* A namespace describes the contents of procedure, module, interface block |
1349 | or BLOCK construct. */ | |
3d79abbd PB |
1350 | /* ??? Anything else use these? */ |
1351 | ||
6de9cd9a DN |
1352 | typedef struct gfc_namespace |
1353 | { | |
4f613946 TS |
1354 | /* Tree containing all the symbols in this namespace. */ |
1355 | gfc_symtree *sym_root; | |
1356 | /* Tree containing all the user-defined operators in the namespace. */ | |
1357 | gfc_symtree *uop_root; | |
1358 | /* Tree containing all the common blocks. */ | |
949446f5 | 1359 | gfc_symtree *common_root; |
e34ccb4c DK |
1360 | |
1361 | /* Tree containing type-bound procedures. */ | |
1362 | gfc_symtree *tb_sym_root; | |
94747289 DK |
1363 | /* Type-bound user operators. */ |
1364 | gfc_symtree *tb_uop_root; | |
1365 | /* For derived-types, store type-bound intrinsic operators here. */ | |
1366 | gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS]; | |
34523524 DK |
1367 | /* Linked list of finalizer procedures. */ |
1368 | struct gfc_finalizer *finalizers; | |
6de9cd9a | 1369 | |
4f613946 | 1370 | /* If set_flag[letter] is set, an implicit type has been set for letter. */ |
6de9cd9a | 1371 | int set_flag[GFC_LETTERS]; |
4f613946 TS |
1372 | /* Keeps track of the implicit types associated with the letters. */ |
1373 | gfc_typespec default_type[GFC_LETTERS]; | |
52f49934 DK |
1374 | /* Store the positions of IMPLICIT statements. */ |
1375 | locus implicit_loc[GFC_LETTERS]; | |
6de9cd9a | 1376 | |
4f613946 | 1377 | /* If this is a namespace of a procedure, this points to the procedure. */ |
6de9cd9a | 1378 | struct gfc_symbol *proc_name; |
4f613946 TS |
1379 | /* If this is the namespace of a unit which contains executable |
1380 | code, this points to it. */ | |
6de9cd9a | 1381 | struct gfc_code *code; |
4f613946 TS |
1382 | |
1383 | /* Points to the equivalences set up in this namespace. */ | |
31fee91e | 1384 | struct gfc_equiv *equiv, *old_equiv; |
61321991 PT |
1385 | |
1386 | /* Points to the equivalence groups produced by trans_common. */ | |
1387 | struct gfc_equiv_list *equiv_lists; | |
1388 | ||
a1ee985f | 1389 | gfc_interface *op[GFC_INTRINSIC_OPS]; |
4f613946 TS |
1390 | |
1391 | /* Points to the parent namespace, i.e. the namespace of a module or | |
1392 | procedure in which the procedure belonging to this namespace is | |
1393 | contained. The parent namespace points to this namespace either | |
1394 | directly via CONTAINED, or indirectly via the chain built by | |
1395 | SIBLING. */ | |
1396 | struct gfc_namespace *parent; | |
1397 | /* CONTAINED points to the first contained namespace. Sibling | |
1398 | namespaces are chained via SIBLING. */ | |
1399 | struct gfc_namespace *contained, *sibling; | |
1400 | ||
1401 | gfc_common_head blank_common; | |
6de9cd9a DN |
1402 | gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; |
1403 | ||
1404 | gfc_st_label *st_labels; | |
294fbfc8 TS |
1405 | /* This list holds information about all the data initializers in |
1406 | this namespace. */ | |
6de9cd9a DN |
1407 | struct gfc_data *data; |
1408 | ||
27f31e39 | 1409 | gfc_charlen *cl_list, *old_cl_list; |
6de9cd9a | 1410 | |
3af8d8cb PT |
1411 | gfc_dt_list *derived_types; |
1412 | ||
4c1f4f52 | 1413 | int save_all, seen_save, seen_implicit_none; |
3d79abbd PB |
1414 | |
1415 | /* Normally we don't need to refcount namespaces. However when we read | |
1416 | a module containing a function with multiple entry points, this | |
1417 | will appear as several functions with the same formal namespace. */ | |
1418 | int refs; | |
1419 | ||
1420 | /* A list of all alternate entry points to this procedure (or NULL). */ | |
1421 | gfc_entry_list *entries; | |
0de4325e | 1422 | |
a64f5186 JJ |
1423 | /* A list of USE statements in this namespace. */ |
1424 | gfc_use_list *use_stmts; | |
1425 | ||
0de4325e | 1426 | /* Set to 1 if namespace is a BLOCK DATA program unit. */ |
9abe5e56 | 1427 | unsigned is_block_data:1; |
8998be20 TB |
1428 | |
1429 | /* Set to 1 if namespace is an interface body with "IMPORT" used. */ | |
9abe5e56 | 1430 | unsigned has_import_set:1; |
71a7778c | 1431 | |
204803dc JR |
1432 | /* Set to 1 if resolved has been called for this namespace. |
1433 | Holds -1 during resolution. */ | |
1434 | signed resolved:2; | |
3af8d8cb PT |
1435 | |
1436 | /* Set to 1 if code has been generated for this namespace. */ | |
9abe5e56 DK |
1437 | unsigned translated:1; |
1438 | ||
1439 | /* Set to 1 if symbols in this namespace should be 'construct entities', | |
1440 | i.e. for BLOCK local variables. */ | |
1441 | unsigned construct_entities:1; | |
6de9cd9a DN |
1442 | } |
1443 | gfc_namespace; | |
1444 | ||
1445 | extern gfc_namespace *gfc_current_ns; | |
71a7778c | 1446 | extern gfc_namespace *gfc_global_ns_list; |
6de9cd9a | 1447 | |
c9543002 TS |
1448 | /* Global symbols are symbols of global scope. Currently we only use |
1449 | this to detect collisions already when parsing. | |
1450 | TODO: Extend to verify procedure calls. */ | |
1451 | ||
32e8bb8e ILT |
1452 | enum gfc_symbol_type |
1453 | { | |
1454 | GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, | |
1455 | GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA | |
1456 | }; | |
1457 | ||
c9543002 TS |
1458 | typedef struct gfc_gsymbol |
1459 | { | |
1460 | BBT_HEADER(gfc_gsymbol); | |
1461 | ||
973a384d | 1462 | const char *name; |
a8b3b0b6 CR |
1463 | const char *sym_name; |
1464 | const char *mod_name; | |
1465 | const char *binding_label; | |
32e8bb8e | 1466 | enum gfc_symbol_type type; |
c9543002 TS |
1467 | |
1468 | int defined, used; | |
1469 | locus where; | |
71a7778c | 1470 | gfc_namespace *ns; |
c9543002 TS |
1471 | } |
1472 | gfc_gsymbol; | |
1473 | ||
1474 | extern gfc_gsymbol *gfc_gsym_root; | |
6de9cd9a DN |
1475 | |
1476 | /* Information on interfaces being built. */ | |
1477 | typedef struct | |
1478 | { | |
1479 | interface_type type; | |
1480 | gfc_symbol *sym; | |
1481 | gfc_namespace *ns; | |
1482 | gfc_user_op *uop; | |
1483 | gfc_intrinsic_op op; | |
1484 | } | |
1485 | gfc_interface_info; | |
1486 | ||
1487 | extern gfc_interface_info current_interface; | |
1488 | ||
1489 | ||
1490 | /* Array reference. */ | |
32e8bb8e ILT |
1491 | |
1492 | enum gfc_array_ref_dimen_type | |
1493 | { | |
a3935ffc | 1494 | DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN |
32e8bb8e ILT |
1495 | }; |
1496 | ||
6de9cd9a DN |
1497 | typedef struct gfc_array_ref |
1498 | { | |
1499 | ar_type type; | |
1500 | int dimen; /* # of components in the reference */ | |
d3a9eea2 TB |
1501 | int codimen; |
1502 | bool in_allocate; /* For coarray checks. */ | |
6de9cd9a DN |
1503 | locus where; |
1504 | gfc_array_spec *as; | |
1505 | ||
1506 | locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ | |
1507 | struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], | |
1508 | *stride[GFC_MAX_DIMENSIONS]; | |
1509 | ||
32e8bb8e | 1510 | enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS]; |
6de9cd9a DN |
1511 | |
1512 | struct gfc_expr *offset; | |
1513 | } | |
1514 | gfc_array_ref; | |
1515 | ||
ece3f663 | 1516 | #define gfc_get_array_ref() XCNEW (gfc_array_ref) |
6de9cd9a DN |
1517 | |
1518 | ||
1519 | /* Component reference nodes. A variable is stored as an expression | |
1520 | node that points to the base symbol. After that, a singly linked | |
1521 | list of component reference nodes gives the variable's complete | |
1522 | resolution. The array_ref component may be present and comes | |
1523 | before the component component. */ | |
1524 | ||
1525 | typedef enum | |
1526 | { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING } | |
1527 | ref_type; | |
1528 | ||
1529 | typedef struct gfc_ref | |
1530 | { | |
1531 | ref_type type; | |
1532 | ||
1533 | union | |
1534 | { | |
1535 | struct gfc_array_ref ar; | |
1536 | ||
1537 | struct | |
1538 | { | |
1539 | gfc_component *component; | |
1540 | gfc_symbol *sym; | |
1541 | } | |
1542 | c; | |
1543 | ||
1544 | struct | |
1545 | { | |
1546 | struct gfc_expr *start, *end; /* Substring */ | |
1547 | gfc_charlen *length; | |
1548 | } | |
1549 | ss; | |
1550 | ||
1551 | } | |
1552 | u; | |
1553 | ||
1554 | struct gfc_ref *next; | |
1555 | } | |
1556 | gfc_ref; | |
1557 | ||
ece3f663 | 1558 | #define gfc_get_ref() XCNEW (gfc_ref) |
6de9cd9a DN |
1559 | |
1560 | ||
1561 | /* Structures representing intrinsic symbols and their arguments lists. */ | |
1562 | typedef struct gfc_intrinsic_arg | |
1563 | { | |
1564 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
1565 | ||
1566 | gfc_typespec ts; | |
47b99694 | 1567 | unsigned optional:1, value:1; |
23e38561 | 1568 | ENUM_BITFIELD (sym_intent) intent:2; |
6de9cd9a DN |
1569 | gfc_actual_arglist *actual; |
1570 | ||
1571 | struct gfc_intrinsic_arg *next; | |
1572 | ||
1573 | } | |
1574 | gfc_intrinsic_arg; | |
1575 | ||
1576 | ||
4f613946 TS |
1577 | /* Specifies the various kinds of check functions used to verify the |
1578 | argument lists of intrinsic functions. fX with X an integer refer | |
1579 | to check functions of intrinsics with X arguments. f1m is used for | |
1580 | the MAX and MIN intrinsics which can have an arbitrary number of | |
1581 | arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as | |
1582 | these have special semantics. */ | |
1583 | ||
6de9cd9a DN |
1584 | typedef union |
1585 | { | |
17b1d2a0 KG |
1586 | gfc_try (*f0)(void); |
1587 | gfc_try (*f1)(struct gfc_expr *); | |
1588 | gfc_try (*f1m)(gfc_actual_arglist *); | |
1589 | gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *); | |
1590 | gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1591 | gfc_try (*f3ml)(gfc_actual_arglist *); | |
1592 | gfc_try (*f3red)(gfc_actual_arglist *); | |
1593 | gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
6de9cd9a | 1594 | struct gfc_expr *); |
17b1d2a0 | 1595 | gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, |
6de9cd9a DN |
1596 | struct gfc_expr *, struct gfc_expr *); |
1597 | } | |
1598 | gfc_check_f; | |
1599 | ||
4f613946 TS |
1600 | /* Like gfc_check_f, these specify the type of the simplification |
1601 | function associated with an intrinsic. The fX are just like in | |
1602 | gfc_check_f. cc is used for type conversion functions. */ | |
6de9cd9a DN |
1603 | |
1604 | typedef union | |
1605 | { | |
4c0c6b9f | 1606 | struct gfc_expr *(*f0)(void); |
6de9cd9a DN |
1607 | struct gfc_expr *(*f1)(struct gfc_expr *); |
1608 | struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); | |
1609 | struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, | |
1610 | struct gfc_expr *); | |
1611 | struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, | |
1612 | struct gfc_expr *, struct gfc_expr *); | |
1613 | struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, | |
1614 | struct gfc_expr *, struct gfc_expr *, | |
1615 | struct gfc_expr *); | |
1616 | struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); | |
1617 | } | |
1618 | gfc_simplify_f; | |
1619 | ||
4f613946 | 1620 | /* Again like gfc_check_f, these specify the type of the resolution |
13795658 | 1621 | function associated with an intrinsic. The fX are just like in |
66e4ab31 | 1622 | gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ |
6de9cd9a DN |
1623 | |
1624 | typedef union | |
1625 | { | |
1626 | void (*f0)(struct gfc_expr *); | |
1627 | void (*f1)(struct gfc_expr *, struct gfc_expr *); | |
1628 | void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); | |
1629 | void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1630 | void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1631 | struct gfc_expr *); | |
1632 | void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1633 | struct gfc_expr *, struct gfc_expr *); | |
1634 | void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1635 | struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1636 | void (*s1)(struct gfc_code *); | |
1637 | } | |
1638 | gfc_resolve_f; | |
1639 | ||
1640 | ||
1641 | typedef struct gfc_intrinsic_sym | |
1642 | { | |
cb9e4f55 | 1643 | const char *name, *lib_name; |
6de9cd9a DN |
1644 | gfc_intrinsic_arg *formal; |
1645 | gfc_typespec ts; | |
e1633d82 | 1646 | unsigned elemental:1, inquiry:1, transformational:1, pure:1, |
d000aa67 TB |
1647 | generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1, |
1648 | from_module:1; | |
e1633d82 DF |
1649 | |
1650 | int standard; | |
6de9cd9a DN |
1651 | |
1652 | gfc_simplify_f simplify; | |
1653 | gfc_check_f check; | |
1654 | gfc_resolve_f resolve; | |
1655 | struct gfc_intrinsic_sym *specific_head, *next; | |
cd5ecab6 | 1656 | gfc_isym_id id; |
6de9cd9a DN |
1657 | |
1658 | } | |
1659 | gfc_intrinsic_sym; | |
1660 | ||
1661 | ||
1662 | /* Expression nodes. The expression node types deserve explanations, | |
1663 | since the last couple can be easily misconstrued: | |
1664 | ||
1665 | EXPR_OP Operator node pointing to one or two other nodes | |
1666 | EXPR_FUNCTION Function call, symbol points to function's name | |
1667 | EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex | |
1668 | EXPR_VARIABLE An Lvalue with a root symbol and possible reference list | |
8e1f752a | 1669 | which expresses structure, array and substring refs. |
6de9cd9a DN |
1670 | EXPR_NULL The NULL pointer value (which also has a basic type). |
1671 | EXPR_SUBSTRING A substring of a constant string | |
1672 | EXPR_STRUCTURE A structure constructor | |
8e1f752a DK |
1673 | EXPR_ARRAY An array constructor. |
1674 | EXPR_COMPCALL Function (or subroutine) call of a procedure pointer | |
1675 | component or type-bound procedure. */ | |
6de9cd9a DN |
1676 | |
1677 | #include <gmp.h> | |
f8e566e5 | 1678 | #include <mpfr.h> |
eb6f9a86 | 1679 | #include <mpc.h> |
f8e566e5 | 1680 | #define GFC_RND_MODE GMP_RNDN |
f6b855df | 1681 | #define GFC_MPC_RND_MODE MPC_RNDNN |
6de9cd9a | 1682 | |
b7e75771 JD |
1683 | typedef splay_tree gfc_constructor_base; |
1684 | ||
6de9cd9a DN |
1685 | typedef struct gfc_expr |
1686 | { | |
1687 | expr_t expr_type; | |
1688 | ||
1689 | gfc_typespec ts; /* These two refer to the overall expression */ | |
1690 | ||
1691 | int rank; | |
1692 | mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ | |
1693 | ||
4a44a72d DK |
1694 | /* Nonnull for functions and structure constructors, may also used to hold the |
1695 | base-object for component calls. */ | |
6de9cd9a DN |
1696 | gfc_symtree *symtree; |
1697 | ||
6de9cd9a DN |
1698 | gfc_ref *ref; |
1699 | ||
6de9cd9a DN |
1700 | locus where; |
1701 | ||
94fae14b PT |
1702 | /* Used to store the base expression in component calls, when the expression |
1703 | is not a variable. */ | |
32a9b8e0 | 1704 | struct gfc_expr *base_expr; |
94fae14b | 1705 | |
712efae1 | 1706 | /* is_boz is true if the integer is regarded as BOZ bitpatten and is_snan |
346a77d1 | 1707 | denotes a signalling not-a-number. */ |
712efae1 | 1708 | unsigned int is_boz : 1, is_snan : 1; |
20585ad6 | 1709 | |
ebb479cd PT |
1710 | /* Sometimes, when an error has been emitted, it is necessary to prevent |
1711 | it from recurring. */ | |
1712 | unsigned int error : 1; | |
a1ab6660 | 1713 | |
94bff632 | 1714 | /* Mark an expression where a user operator has been substituted by |
a1ab6660 PT |
1715 | a function call in interface.c(gfc_extend_expr). */ |
1716 | unsigned int user_operator : 1; | |
ebb479cd | 1717 | |
94bff632 JW |
1718 | /* Mark an expression as being a MOLD argument of ALLOCATE. */ |
1719 | unsigned int mold : 1; | |
1720 | ||
20585ad6 BM |
1721 | /* If an expression comes from a Hollerith constant or compile-time |
1722 | evaluation of a transfer statement, it may have a prescribed target- | |
1723 | memory representation, and these cannot always be backformed from | |
1724 | the value. */ | |
1725 | struct | |
1726 | { | |
1727 | int length; | |
1728 | char *string; | |
1729 | } | |
1730 | representation; | |
1731 | ||
6de9cd9a DN |
1732 | union |
1733 | { | |
6de9cd9a | 1734 | int logical; |
20585ad6 | 1735 | |
ad7ee6f8 JD |
1736 | io_kind iokind; |
1737 | ||
f8e566e5 SK |
1738 | mpz_t integer; |
1739 | ||
1740 | mpfr_t real; | |
6de9cd9a | 1741 | |
d0d92baf | 1742 | mpc_t complex; |
6de9cd9a | 1743 | |
58b03ab2 TS |
1744 | struct |
1745 | { | |
a1ee985f | 1746 | gfc_intrinsic_op op; |
58b03ab2 TS |
1747 | gfc_user_op *uop; |
1748 | struct gfc_expr *op1, *op2; | |
1749 | } | |
1750 | op; | |
1751 | ||
6de9cd9a DN |
1752 | struct |
1753 | { | |
1754 | gfc_actual_arglist *actual; | |
6b25a558 | 1755 | const char *name; /* Points to the ultimate name of the function */ |
6de9cd9a DN |
1756 | gfc_intrinsic_sym *isym; |
1757 | gfc_symbol *esym; | |
1758 | } | |
1759 | function; | |
1760 | ||
8e1f752a DK |
1761 | struct |
1762 | { | |
1763 | gfc_actual_arglist* actual; | |
e157f736 | 1764 | const char* name; |
4a44a72d DK |
1765 | /* Base-object, whose component was called. NULL means that it should |
1766 | be taken from symtree/ref. */ | |
1767 | struct gfc_expr* base_object; | |
1768 | gfc_typebound_proc* tbp; /* Should overlap with esym. */ | |
1769 | ||
1770 | /* For type-bound operators, we want to call PASS procedures but already | |
1771 | have the full arglist; mark this, so that it is not extended by the | |
1772 | PASS argument. */ | |
1773 | unsigned ignore_pass:1; | |
1774 | ||
1775 | /* Do assign-calls rather than calls, that is appropriate dependency | |
1776 | checking. */ | |
1777 | unsigned assign:1; | |
8e1f752a DK |
1778 | } |
1779 | compcall; | |
1780 | ||
6de9cd9a DN |
1781 | struct |
1782 | { | |
1783 | int length; | |
00660189 | 1784 | gfc_char_t *string; |
6de9cd9a DN |
1785 | } |
1786 | character; | |
1787 | ||
b7e75771 | 1788 | gfc_constructor_base constructor; |
6de9cd9a DN |
1789 | } |
1790 | value; | |
1791 | ||
1792 | } | |
1793 | gfc_expr; | |
1794 | ||
1795 | ||
93acb62c | 1796 | #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank))) |
6de9cd9a DN |
1797 | |
1798 | /* Structures for information associated with different kinds of | |
1799 | numbers. The first set of integer parameters define all there is | |
1800 | to know about a particular kind. The rest of the elements are | |
1801 | computed from the first elements. */ | |
1802 | ||
1803 | typedef struct | |
1804 | { | |
e2cad04b | 1805 | /* Values really representable by the target. */ |
7bee49dc | 1806 | mpz_t huge, pedantic_min_int, min_int; |
e2cad04b RH |
1807 | |
1808 | int kind, radix, digits, bit_size, range; | |
1809 | ||
1810 | /* True if the C type of the given name maps to this precision. | |
1811 | Note that more than one bit can be set. */ | |
1812 | unsigned int c_char : 1; | |
1813 | unsigned int c_short : 1; | |
1814 | unsigned int c_int : 1; | |
1815 | unsigned int c_long : 1; | |
1816 | unsigned int c_long_long : 1; | |
6de9cd9a DN |
1817 | } |
1818 | gfc_integer_info; | |
1819 | ||
1820 | extern gfc_integer_info gfc_integer_kinds[]; | |
1821 | ||
1822 | ||
1823 | typedef struct | |
1824 | { | |
1825 | int kind, bit_size; | |
1826 | ||
e2cad04b RH |
1827 | /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ |
1828 | unsigned int c_bool : 1; | |
6de9cd9a DN |
1829 | } |
1830 | gfc_logical_info; | |
1831 | ||
1832 | extern gfc_logical_info gfc_logical_kinds[]; | |
1833 | ||
1834 | ||
1835 | typedef struct | |
1836 | { | |
2d0aa65f | 1837 | mpfr_t epsilon, huge, tiny, subnormal; |
6de9cd9a | 1838 | int kind, radix, digits, min_exponent, max_exponent; |
6de9cd9a | 1839 | int range, precision; |
e2cad04b RH |
1840 | |
1841 | /* The precision of the type as reported by GET_MODE_PRECISION. */ | |
1842 | int mode_precision; | |
1843 | ||
1844 | /* True if the C type of the given name maps to this precision. | |
1845 | Note that more than one bit can be set. */ | |
1846 | unsigned int c_float : 1; | |
1847 | unsigned int c_double : 1; | |
1848 | unsigned int c_long_double : 1; | |
a3c85b74 | 1849 | unsigned int c_float128 : 1; |
6de9cd9a DN |
1850 | } |
1851 | gfc_real_info; | |
1852 | ||
1853 | extern gfc_real_info gfc_real_kinds[]; | |
1854 | ||
374929b2 FXC |
1855 | typedef struct |
1856 | { | |
1857 | int kind, bit_size; | |
1858 | const char *name; | |
1859 | } | |
1860 | gfc_character_info; | |
1861 | ||
1862 | extern gfc_character_info gfc_character_kinds[]; | |
1863 | ||
6de9cd9a DN |
1864 | |
1865 | /* Equivalence structures. Equivalent lvalues are linked along the | |
1866 | *eq pointer, equivalence sets are strung along the *next node. */ | |
1867 | typedef struct gfc_equiv | |
1868 | { | |
1869 | struct gfc_equiv *next, *eq; | |
1870 | gfc_expr *expr; | |
30aabb86 | 1871 | const char *module; |
6de9cd9a DN |
1872 | int used; |
1873 | } | |
1874 | gfc_equiv; | |
1875 | ||
ece3f663 | 1876 | #define gfc_get_equiv() XCNEW (gfc_equiv) |
6de9cd9a | 1877 | |
61321991 PT |
1878 | /* Holds a single equivalence member after processing. */ |
1879 | typedef struct gfc_equiv_info | |
1880 | { | |
1881 | gfc_symbol *sym; | |
1882 | HOST_WIDE_INT offset; | |
37311e71 | 1883 | HOST_WIDE_INT length; |
61321991 PT |
1884 | struct gfc_equiv_info *next; |
1885 | } gfc_equiv_info; | |
1886 | ||
1887 | /* Holds equivalence groups, after they have been processed. */ | |
1888 | typedef struct gfc_equiv_list | |
1889 | { | |
1890 | gfc_equiv_info *equiv; | |
1891 | struct gfc_equiv_list *next; | |
1892 | } gfc_equiv_list; | |
6de9cd9a DN |
1893 | |
1894 | /* gfc_case stores the selector list of a case statement. The *low | |
1895 | and *high pointers can point to the same expression in the case of | |
1896 | a single value. If *high is NULL, the selection is from *low | |
1897 | upwards, if *low is NULL the selection is *high downwards. | |
1898 | ||
410d1a45 SK |
1899 | This structure has separate fields to allow single and double linked |
1900 | lists of CASEs at the same time. The singe linked list along the NEXT | |
6de9cd9a DN |
1901 | field is a list of cases for a single CASE label. The double linked |
1902 | list along the LEFT/RIGHT fields is used to detect overlap and to | |
1903 | build a table of the cases for SELECT constructs with a CHARACTER | |
1904 | case expression. */ | |
1905 | ||
1906 | typedef struct gfc_case | |
1907 | { | |
1908 | /* Where we saw this case. */ | |
1909 | locus where; | |
1910 | int n; | |
1911 | ||
1912 | /* Case range values. If (low == high), it's a single value. If one of | |
1913 | the labels is NULL, it's an unbounded case. If both are NULL, this | |
1914 | represents the default case. */ | |
1915 | gfc_expr *low, *high; | |
1916 | ||
cf2b3c22 TB |
1917 | /* Only used for SELECT TYPE. */ |
1918 | gfc_typespec ts; | |
1919 | ||
6de9cd9a DN |
1920 | /* Next case label in the list of cases for a single CASE label. */ |
1921 | struct gfc_case *next; | |
1922 | ||
1923 | /* Used for detecting overlap, and for code generation. */ | |
1924 | struct gfc_case *left, *right; | |
1925 | ||
1926 | /* True if this case label can never be matched. */ | |
1927 | int unreachable; | |
1928 | } | |
1929 | gfc_case; | |
1930 | ||
ece3f663 | 1931 | #define gfc_get_case() XCNEW (gfc_case) |
6de9cd9a DN |
1932 | |
1933 | ||
1934 | typedef struct | |
1935 | { | |
1936 | gfc_expr *var, *start, *end, *step; | |
1937 | } | |
1938 | gfc_iterator; | |
1939 | ||
ece3f663 | 1940 | #define gfc_get_iterator() XCNEW (gfc_iterator) |
6de9cd9a DN |
1941 | |
1942 | ||
f7b529fa | 1943 | /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ |
6de9cd9a DN |
1944 | |
1945 | typedef struct gfc_alloc | |
1946 | { | |
1947 | gfc_expr *expr; | |
1948 | struct gfc_alloc *next; | |
1949 | } | |
1950 | gfc_alloc; | |
1951 | ||
ece3f663 | 1952 | #define gfc_get_alloc() XCNEW (gfc_alloc) |
6de9cd9a DN |
1953 | |
1954 | ||
1955 | typedef struct | |
1956 | { | |
1957 | gfc_expr *unit, *file, *status, *access, *form, *recl, | |
6f0f0b2e | 1958 | *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, |
9ad55c33 | 1959 | *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit; |
6de9cd9a DN |
1960 | gfc_st_label *err; |
1961 | } | |
1962 | gfc_open; | |
1963 | ||
1964 | ||
1965 | typedef struct | |
1966 | { | |
7aba8abe | 1967 | gfc_expr *unit, *status, *iostat, *iomsg; |
6de9cd9a DN |
1968 | gfc_st_label *err; |
1969 | } | |
1970 | gfc_close; | |
1971 | ||
1972 | ||
1973 | typedef struct | |
1974 | { | |
7aba8abe | 1975 | gfc_expr *unit, *iostat, *iomsg; |
6de9cd9a DN |
1976 | gfc_st_label *err; |
1977 | } | |
1978 | gfc_filepos; | |
1979 | ||
1980 | ||
1981 | typedef struct | |
1982 | { | |
1983 | gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, | |
1984 | *name, *access, *sequential, *direct, *form, *formatted, | |
1985 | *unformatted, *recl, *nextrec, *blank, *position, *action, *read, | |
6f0f0b2e JD |
1986 | *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, |
1987 | *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id; | |
6de9cd9a DN |
1988 | |
1989 | gfc_st_label *err; | |
1990 | ||
1991 | } | |
1992 | gfc_inquire; | |
1993 | ||
1994 | ||
1995 | typedef struct | |
1996 | { | |
6f0f0b2e JD |
1997 | gfc_expr *unit, *iostat, *iomsg, *id; |
1998 | gfc_st_label *err, *end, *eor; | |
1999 | } | |
2000 | gfc_wait; | |
2001 | ||
2002 | ||
2003 | typedef struct | |
2004 | { | |
2005 | gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, | |
2006 | *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, | |
8e8dc060 | 2007 | *sign, *extra_comma, *dt_io_kind; |
6de9cd9a DN |
2008 | |
2009 | gfc_symbol *namelist; | |
2010 | /* A format_label of `format_asterisk' indicates the "*" format */ | |
2011 | gfc_st_label *format_label; | |
2012 | gfc_st_label *err, *end, *eor; | |
2013 | ||
e0e85e06 | 2014 | locus eor_where, end_where, err_where; |
6de9cd9a DN |
2015 | } |
2016 | gfc_dt; | |
2017 | ||
2018 | ||
2019 | typedef struct gfc_forall_iterator | |
2020 | { | |
2021 | gfc_expr *var, *start, *end, *stride; | |
2022 | struct gfc_forall_iterator *next; | |
2023 | } | |
2024 | gfc_forall_iterator; | |
2025 | ||
2026 | ||
03af1e4c DK |
2027 | /* Linked list to store associations in an ASSOCIATE statement. */ |
2028 | ||
2029 | typedef struct gfc_association_list | |
2030 | { | |
2031 | struct gfc_association_list *next; | |
2032 | ||
2033 | /* Whether this is association to a variable that can be changed; otherwise, | |
2034 | it's association to an expression and the name may not be used as | |
2035 | lvalue. */ | |
2036 | unsigned variable:1; | |
2037 | ||
3e78238a DK |
2038 | /* True if this struct is currently only linked to from a gfc_symbol rather |
2039 | than as part of a real list in gfc_code->ext.block.assoc. This may | |
2040 | happen for SELECT TYPE temporaries and must be considered | |
2041 | for memory handling. */ | |
2042 | unsigned dangling:1; | |
2043 | ||
03af1e4c DK |
2044 | char name[GFC_MAX_SYMBOL_LEN + 1]; |
2045 | gfc_symtree *st; /* Symtree corresponding to name. */ | |
571d54de DK |
2046 | locus where; |
2047 | ||
03af1e4c DK |
2048 | gfc_expr *target; |
2049 | } | |
2050 | gfc_association_list; | |
2051 | #define gfc_get_association_list() XCNEW (gfc_association_list) | |
2052 | ||
2053 | ||
6de9cd9a DN |
2054 | /* Executable statements that fill gfc_code structures. */ |
2055 | typedef enum | |
2056 | { | |
df1a69f6 MM |
2057 | EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN, |
2058 | EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP, | |
8e1f752a DK |
2059 | EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, |
2060 | EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, | |
8c6a85e3 TB |
2061 | EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE, |
2062 | EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, | |
2063 | EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE, | |
2064 | EXEC_SELECT_TYPE, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, EXEC_SYNC_IMAGES, | |
6f0f0b2e | 2065 | EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, |
6de9cd9a | 2066 | EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, |
6c7a4dfd | 2067 | EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, |
5493aa17 | 2068 | EXEC_LOCK, EXEC_UNLOCK, |
6c7a4dfd JJ |
2069 | EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, |
2070 | EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, | |
2071 | EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, | |
2072 | EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, | |
2073 | EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, | |
20906c66 JJ |
2074 | EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, |
2075 | EXEC_OMP_TASKYIELD | |
6de9cd9a DN |
2076 | } |
2077 | gfc_exec_op; | |
2078 | ||
20906c66 JJ |
2079 | typedef enum |
2080 | { | |
2081 | GFC_OMP_ATOMIC_UPDATE, | |
2082 | GFC_OMP_ATOMIC_READ, | |
2083 | GFC_OMP_ATOMIC_WRITE, | |
2084 | GFC_OMP_ATOMIC_CAPTURE | |
2085 | } | |
2086 | gfc_omp_atomic_op; | |
2087 | ||
6de9cd9a DN |
2088 | typedef struct gfc_code |
2089 | { | |
2090 | gfc_exec_op op; | |
2091 | ||
2092 | struct gfc_code *block, *next; | |
2093 | locus loc; | |
2094 | ||
79bd1948 | 2095 | gfc_st_label *here, *label1, *label2, *label3; |
6de9cd9a | 2096 | gfc_symtree *symtree; |
5493aa17 | 2097 | gfc_expr *expr1, *expr2, *expr3, *expr4; |
6de9cd9a DN |
2098 | /* A name isn't sufficient to identify a subroutine, we need the actual |
2099 | symbol for the interface definition. | |
2100 | const char *sub_name; */ | |
2101 | gfc_symbol *resolved_sym; | |
12f681a0 | 2102 | gfc_intrinsic_sym *resolved_isym; |
6de9cd9a DN |
2103 | |
2104 | union | |
2105 | { | |
2106 | gfc_actual_arglist *actual; | |
6de9cd9a | 2107 | gfc_iterator *iterator; |
cf2b3c22 TB |
2108 | |
2109 | struct | |
2110 | { | |
2111 | gfc_typespec ts; | |
2112 | gfc_alloc *list; | |
2113 | } | |
2114 | alloc; | |
2115 | ||
03af1e4c DK |
2116 | struct |
2117 | { | |
2118 | gfc_namespace *ns; | |
2119 | gfc_association_list *assoc; | |
29a63d67 | 2120 | gfc_case *case_list; |
03af1e4c DK |
2121 | } |
2122 | block; | |
2123 | ||
6de9cd9a DN |
2124 | gfc_open *open; |
2125 | gfc_close *close; | |
2126 | gfc_filepos *filepos; | |
2127 | gfc_inquire *inquire; | |
6f0f0b2e | 2128 | gfc_wait *wait; |
6de9cd9a DN |
2129 | gfc_dt *dt; |
2130 | gfc_forall_iterator *forall_iterator; | |
e5ca9693 | 2131 | struct gfc_code *which_construct; |
6de9cd9a | 2132 | int stop_code; |
3d79abbd | 2133 | gfc_entry_list *entry; |
6c7a4dfd JJ |
2134 | gfc_omp_clauses *omp_clauses; |
2135 | const char *omp_name; | |
2136 | gfc_namelist *omp_namelist; | |
2137 | bool omp_bool; | |
20906c66 | 2138 | gfc_omp_atomic_op omp_atomic; |
6de9cd9a DN |
2139 | } |
2140 | ext; /* Points to additional structures required by statement */ | |
2141 | ||
e5ca9693 | 2142 | /* Cycle and break labels in constructs. */ |
e7041633 NF |
2143 | tree cycle_label; |
2144 | tree exit_label; | |
6de9cd9a DN |
2145 | } |
2146 | gfc_code; | |
2147 | ||
2148 | ||
2149 | /* Storage for DATA statements. */ | |
2150 | typedef struct gfc_data_variable | |
2151 | { | |
2152 | gfc_expr *expr; | |
2153 | gfc_iterator iter; | |
2154 | struct gfc_data_variable *list, *next; | |
2155 | } | |
2156 | gfc_data_variable; | |
2157 | ||
2158 | ||
2159 | typedef struct gfc_data_value | |
2160 | { | |
f2112868 | 2161 | mpz_t repeat; |
6de9cd9a | 2162 | gfc_expr *expr; |
6de9cd9a DN |
2163 | struct gfc_data_value *next; |
2164 | } | |
2165 | gfc_data_value; | |
2166 | ||
2167 | ||
2168 | typedef struct gfc_data | |
2169 | { | |
2170 | gfc_data_variable *var; | |
2171 | gfc_data_value *value; | |
2172 | locus where; | |
2173 | ||
2174 | struct gfc_data *next; | |
2175 | } | |
2176 | gfc_data; | |
2177 | ||
6de9cd9a DN |
2178 | |
2179 | /* Structure for holding compile options */ | |
2180 | typedef struct | |
2181 | { | |
6de9cd9a DN |
2182 | char *module_dir; |
2183 | gfc_source_form source_form; | |
1dde8683 BM |
2184 | /* Maximum line lengths in fixed- and free-form source, respectively. |
2185 | When fixed_line_length or free_line_length are 0, the whole line is used, | |
2186 | regardless of length. | |
16ab8e74 BF |
2187 | |
2188 | If the user requests a fixed_line_length <7 then gfc_init_options() | |
2189 | emits a fatal error. */ | |
1dde8683 BM |
2190 | int fixed_line_length; |
2191 | int free_line_length; | |
2192 | /* Maximum number of continuation lines in fixed- and free-form source, | |
2193 | respectively. */ | |
5a06474c JD |
2194 | int max_continue_fixed; |
2195 | int max_continue_free; | |
6de9cd9a | 2196 | int max_identifier_length; |
1607a827 TK |
2197 | int dump_fortran_original; |
2198 | int dump_fortran_optimized; | |
6de9cd9a DN |
2199 | |
2200 | int warn_aliasing; | |
3fbab549 | 2201 | int warn_ampersand; |
e3339d0f | 2202 | int gfc_warn_conversion; |
daf8c6f0 | 2203 | int warn_conversion_extra; |
51a30b32 | 2204 | int warn_function_elimination; |
6de9cd9a | 2205 | int warn_implicit_interface; |
ca071303 | 2206 | int warn_implicit_procedure; |
6de9cd9a DN |
2207 | int warn_line_truncation; |
2208 | int warn_surprising; | |
840bd9f7 SK |
2209 | int warn_tabs; |
2210 | int warn_underflow; | |
c3005b0f DK |
2211 | int warn_intrinsic_shadow; |
2212 | int warn_intrinsics_std; | |
2220652d | 2213 | int warn_character_truncation; |
bdfd2ff0 | 2214 | int warn_array_temp; |
f613cea7 | 2215 | int warn_align_commons; |
5a17346a | 2216 | int warn_real_q_constant; |
4ed44ccc | 2217 | int warn_unused_dummy_argument; |
3f139fcf | 2218 | int max_errors; |
6de9cd9a | 2219 | |
a23eec13 | 2220 | int flag_all_intrinsics; |
3ae9eb27 SK |
2221 | int flag_default_double; |
2222 | int flag_default_integer; | |
2223 | int flag_default_real; | |
f4347334 ZG |
2224 | int flag_integer4_kind; |
2225 | int flag_real4_kind; | |
2226 | int flag_real8_kind; | |
6de9cd9a DN |
2227 | int flag_dollar_ok; |
2228 | int flag_underscoring; | |
2229 | int flag_second_underscore; | |
2230 | int flag_implicit_none; | |
2231 | int flag_max_stack_var_size; | |
63346ddb | 2232 | int flag_max_array_constructor; |
54554825 | 2233 | int flag_range_check; |
6de9cd9a DN |
2234 | int flag_pack_derived; |
2235 | int flag_repack_arrays; | |
2d7c7df6 | 2236 | int flag_preprocessed; |
973ff4c0 | 2237 | int flag_f2c; |
ee5426a4 | 2238 | int flag_automatic; |
131c66cd | 2239 | int flag_backslash; |
868d75db | 2240 | int flag_backtrace; |
e6472bce | 2241 | int flag_allow_leading_underscore; |
5a0aad31 FXC |
2242 | int flag_external_blas; |
2243 | int blas_matmul_limit; | |
83d890b9 | 2244 | int flag_cray_pointer; |
e0bcf78c | 2245 | int flag_d_lines; |
e3339d0f | 2246 | int gfc_flag_openmp; |
68d2e027 | 2247 | int flag_sign_zero; |
c76f8d52 | 2248 | int flag_stack_arrays; |
654b6073 | 2249 | int flag_module_private; |
1e7de83b | 2250 | int flag_recursive; |
51b09ce3 AL |
2251 | int flag_init_local_zero; |
2252 | int flag_init_integer; | |
2253 | int flag_init_integer_value; | |
2254 | int flag_init_real; | |
2255 | int flag_init_logical; | |
2256 | int flag_init_character; | |
2257 | char flag_init_character_value; | |
f613cea7 | 2258 | int flag_align_commons; |
71a7778c | 2259 | int flag_whole_file; |
72bd130e | 2260 | int flag_protect_parens; |
597553ab | 2261 | int flag_realloc_lhs; |
2757d5ec | 2262 | int flag_aggressive_function_elimination; |
51a30b32 | 2263 | int flag_frontend_optimize; |
6de9cd9a | 2264 | |
944b8b35 | 2265 | int fpe; |
d3d3011f | 2266 | int rtcheck; |
f4d1d50a | 2267 | gfc_fcoarray coarray; |
944b8b35 | 2268 | |
6de9cd9a DN |
2269 | int warn_std; |
2270 | int allow_std; | |
eaa90d25 | 2271 | int convert; |
d67ab5ee | 2272 | int record_marker; |
07b3bbf2 | 2273 | int max_subrecord_length; |
6de9cd9a DN |
2274 | } |
2275 | gfc_option_t; | |
2276 | ||
2277 | extern gfc_option_t gfc_option; | |
2278 | ||
6de9cd9a DN |
2279 | /* Constructor nodes for array and structure constructors. */ |
2280 | typedef struct gfc_constructor | |
2281 | { | |
b7e75771 JD |
2282 | gfc_constructor_base base; |
2283 | mpz_t offset; /* Offset within a constructor, used as | |
2284 | key within base. */ | |
2285 | ||
6de9cd9a DN |
2286 | gfc_expr *expr; |
2287 | gfc_iterator *iterator; | |
2288 | locus where; | |
b7e75771 JD |
2289 | |
2290 | union | |
6de9cd9a | 2291 | { |
b7e75771 | 2292 | gfc_component *component; /* Record the component being initialized. */ |
6de9cd9a DN |
2293 | } |
2294 | n; | |
21ea4922 JJ |
2295 | mpz_t repeat; /* Record the repeat number of initial values in data |
2296 | statement like "data a/5*10/". */ | |
6de9cd9a DN |
2297 | } |
2298 | gfc_constructor; | |
2299 | ||
2300 | ||
2301 | typedef struct iterator_stack | |
2302 | { | |
2303 | gfc_symtree *variable; | |
2304 | mpz_t value; | |
2305 | struct iterator_stack *prev; | |
2306 | } | |
2307 | iterator_stack; | |
2308 | extern iterator_stack *iter_stack; | |
2309 | ||
34523524 | 2310 | |
7431bf06 JW |
2311 | /* Used for (possibly nested) SELECT TYPE statements. */ |
2312 | typedef struct gfc_select_type_stack | |
2313 | { | |
2314 | gfc_symbol *selector; /* Current selector variable. */ | |
2315 | gfc_symtree *tmp; /* Current temporary variable. */ | |
2316 | struct gfc_select_type_stack *prev; /* Previous element on stack. */ | |
2317 | } | |
2318 | gfc_select_type_stack; | |
2319 | extern gfc_select_type_stack *select_type_stack; | |
2320 | #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack) | |
2321 | ||
2322 | ||
34523524 DK |
2323 | /* Node in the linked list used for storing finalizer procedures. */ |
2324 | ||
2325 | typedef struct gfc_finalizer | |
2326 | { | |
2327 | struct gfc_finalizer* next; | |
df2fba9e | 2328 | locus where; /* Where the FINAL declaration occurred. */ |
f6fad28e DK |
2329 | |
2330 | /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding | |
2331 | symtree and later need only that. This way, we can access and call the | |
2332 | finalizers from every context as they should be "always accessible". I | |
2333 | don't make this a union because we need the information whether proc_sym is | |
2334 | still referenced or not for dereferencing it on deleting a gfc_finalizer | |
2335 | structure. */ | |
2336 | gfc_symbol* proc_sym; | |
2337 | gfc_symtree* proc_tree; | |
34523524 DK |
2338 | } |
2339 | gfc_finalizer; | |
f6fad28e DK |
2340 | #define gfc_get_finalizer() XCNEW (gfc_finalizer) |
2341 | ||
34523524 | 2342 | |
6de9cd9a DN |
2343 | /************************ Function prototypes *************************/ |
2344 | ||
2220652d PT |
2345 | /* decl.c */ |
2346 | bool gfc_in_match_data (void); | |
8234e5e0 | 2347 | match gfc_match_char_spec (gfc_typespec *); |
2220652d | 2348 | |
6de9cd9a DN |
2349 | /* scanner.c */ |
2350 | void gfc_scanner_done_1 (void); | |
2351 | void gfc_scanner_init_1 (void); | |
2352 | ||
0ee1b105 | 2353 | void gfc_add_include_path (const char *, bool, bool); |
31198773 | 2354 | void gfc_add_intrinsic_modules_path (const char *); |
6de9cd9a | 2355 | void gfc_release_include_path (void); |
31198773 FXC |
2356 | FILE *gfc_open_included_file (const char *, bool, bool); |
2357 | FILE *gfc_open_intrinsic_module (const char *); | |
6de9cd9a | 2358 | |
6de9cd9a DN |
2359 | int gfc_at_end (void); |
2360 | int gfc_at_eof (void); | |
2361 | int gfc_at_bol (void); | |
2362 | int gfc_at_eol (void); | |
2363 | void gfc_advance_line (void); | |
2364 | int gfc_check_include (void); | |
9e8a6720 | 2365 | int gfc_define_undef_line (void); |
6de9cd9a | 2366 | |
8fc541d3 FXC |
2367 | int gfc_wide_is_printable (gfc_char_t); |
2368 | int gfc_wide_is_digit (gfc_char_t); | |
2369 | int gfc_wide_fits_in_byte (gfc_char_t); | |
2370 | gfc_char_t gfc_wide_tolower (gfc_char_t); | |
00660189 | 2371 | gfc_char_t gfc_wide_toupper (gfc_char_t); |
8fc541d3 | 2372 | size_t gfc_wide_strlen (const gfc_char_t *); |
00660189 FXC |
2373 | int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); |
2374 | gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); | |
2375 | char *gfc_widechar_to_char (const gfc_char_t *, int); | |
2376 | gfc_char_t *gfc_char_to_widechar (const char *); | |
2377 | ||
ece3f663 | 2378 | #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) |
8fc541d3 | 2379 | |
6de9cd9a | 2380 | void gfc_skip_comments (void); |
696abb30 | 2381 | gfc_char_t gfc_next_char_literal (gfc_instring); |
8fc541d3 FXC |
2382 | gfc_char_t gfc_next_char (void); |
2383 | char gfc_next_ascii_char (void); | |
2384 | gfc_char_t gfc_peek_char (void); | |
2385 | char gfc_peek_ascii_char (void); | |
6de9cd9a DN |
2386 | void gfc_error_recovery (void); |
2387 | void gfc_gobble_whitespace (void); | |
17b1d2a0 | 2388 | gfc_try gfc_new_file (void); |
2d7c7df6 | 2389 | const char * gfc_read_orig_filename (const char *, const char **); |
6de9cd9a | 2390 | |
d4fa05b9 | 2391 | extern gfc_source_form gfc_current_form; |
e0bcf78c | 2392 | extern const char *gfc_source_file; |
63645982 | 2393 | extern locus gfc_current_locus; |
6de9cd9a | 2394 | |
60332588 JJ |
2395 | void gfc_start_source_files (void); |
2396 | void gfc_end_source_files (void); | |
2397 | ||
6de9cd9a | 2398 | /* misc.c */ |
66e4ab31 | 2399 | int gfc_terminal_width (void); |
6de9cd9a DN |
2400 | void gfc_clear_ts (gfc_typespec *); |
2401 | FILE *gfc_open_file (const char *); | |
6de9cd9a DN |
2402 | const char *gfc_basic_typename (bt); |
2403 | const char *gfc_typename (gfc_typespec *); | |
ba3ba492 | 2404 | const char *gfc_op2string (gfc_intrinsic_op); |
6de9cd9a DN |
2405 | const char *gfc_code2string (const mstring *, int); |
2406 | int gfc_string2code (const mstring *, const char *); | |
2407 | const char *gfc_intent_string (sym_intent); | |
2408 | ||
2409 | void gfc_init_1 (void); | |
2410 | void gfc_init_2 (void); | |
2411 | void gfc_done_1 (void); | |
2412 | void gfc_done_2 (void); | |
2413 | ||
a8b3b0b6 CR |
2414 | int get_c_kind (const char *, CInteropKind_t *); |
2415 | ||
6de9cd9a | 2416 | /* options.c */ |
7a9bf9a4 | 2417 | unsigned int gfc_option_lang_mask (void); |
a75bfaa6 | 2418 | void gfc_init_options_struct (struct gcc_options *); |
7a9bf9a4 JM |
2419 | void gfc_init_options (unsigned int, |
2420 | struct cl_decoded_option *); | |
a4d8c676 | 2421 | bool gfc_handle_option (size_t, const char *, int, int, location_t, |
5f20c657 | 2422 | const struct cl_option_handlers *); |
6de9cd9a | 2423 | bool gfc_post_options (const char **); |
41804a5b | 2424 | char *gfc_get_option_string (void); |
6de9cd9a | 2425 | |
602b8523 TB |
2426 | /* f95-lang.c */ |
2427 | void gfc_maybe_initialize_eh (void); | |
2428 | ||
6de9cd9a | 2429 | /* iresolve.c */ |
6b25a558 | 2430 | const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; |
a68ab351 | 2431 | bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); |
6de9cd9a DN |
2432 | |
2433 | /* error.c */ | |
2434 | ||
2435 | typedef struct gfc_error_buf | |
2436 | { | |
2437 | int flag; | |
d71b89ca JJ |
2438 | size_t allocated, index; |
2439 | char *message; | |
6de9cd9a DN |
2440 | } gfc_error_buf; |
2441 | ||
2442 | void gfc_error_init_1 (void); | |
2443 | void gfc_buffer_error (int); | |
2444 | ||
00660189 FXC |
2445 | const char *gfc_print_wide_char (gfc_char_t); |
2446 | ||
0ce0154c KG |
2447 | void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); |
2448 | void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); | |
6de9cd9a DN |
2449 | void gfc_clear_warning (void); |
2450 | void gfc_warning_check (void); | |
2451 | ||
0ce0154c KG |
2452 | void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); |
2453 | void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); | |
2454 | void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); | |
2455 | void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); | |
6de9cd9a DN |
2456 | void gfc_clear_error (void); |
2457 | int gfc_error_check (void); | |
8f81c3c6 | 2458 | int gfc_error_flag_test (void); |
6de9cd9a | 2459 | |
8f0d39a8 | 2460 | notification gfc_notification_std (int); |
17b1d2a0 | 2461 | gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); |
6de9cd9a DN |
2462 | |
2463 | /* A general purpose syntax error. */ | |
2464 | #define gfc_syntax_error(ST) \ | |
2465 | gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); | |
2466 | ||
2467 | void gfc_push_error (gfc_error_buf *); | |
2468 | void gfc_pop_error (gfc_error_buf *); | |
d71b89ca | 2469 | void gfc_free_error (gfc_error_buf *); |
6de9cd9a | 2470 | |
6de9cd9a | 2471 | void gfc_get_errors (int *, int *); |
3af8d8cb | 2472 | void gfc_errors_to_warnings (int); |
6de9cd9a DN |
2473 | |
2474 | /* arith.c */ | |
2475 | void gfc_arith_init_1 (void); | |
2476 | void gfc_arith_done_1 (void); | |
25d8f0a2 | 2477 | arith gfc_check_integer_range (mpz_t p, int kind); |
d393bbd7 | 2478 | bool gfc_check_character_range (gfc_char_t, int); |
6de9cd9a | 2479 | |
5e8e542f | 2480 | /* trans-types.c */ |
17b1d2a0 | 2481 | gfc_try gfc_check_any_c_kind (gfc_typespec *); |
e7a2d5fb | 2482 | int gfc_validate_kind (bt, int, bool); |
e0a6661b FXC |
2483 | int gfc_get_int_kind_from_width_isofortranenv (int size); |
2484 | int gfc_get_real_kind_from_width_isofortranenv (int size); | |
7c1dab0d | 2485 | tree gfc_get_derived_type (gfc_symbol * derived); |
6de9cd9a | 2486 | extern int gfc_index_integer_kind; |
9d64df18 | 2487 | extern int gfc_default_integer_kind; |
f4e7375a | 2488 | extern int gfc_max_integer_kind; |
9d64df18 TS |
2489 | extern int gfc_default_real_kind; |
2490 | extern int gfc_default_double_kind; | |
2491 | extern int gfc_default_character_kind; | |
2492 | extern int gfc_default_logical_kind; | |
2493 | extern int gfc_default_complex_kind; | |
e8525382 | 2494 | extern int gfc_c_int_kind; |
da661a58 TB |
2495 | extern int gfc_atomic_int_kind; |
2496 | extern int gfc_atomic_logical_kind; | |
014ec6ee | 2497 | extern int gfc_intio_kind; |
f1412ca5 | 2498 | extern int gfc_charlen_int_kind; |
39f87c03 FXC |
2499 | extern int gfc_numeric_storage_size; |
2500 | extern int gfc_character_storage_size; | |
6de9cd9a DN |
2501 | |
2502 | /* symbol.c */ | |
2503 | void gfc_clear_new_implicit (void); | |
17b1d2a0 KG |
2504 | gfc_try gfc_add_new_implicit_range (int, int); |
2505 | gfc_try gfc_merge_new_implicit (gfc_typespec *); | |
6de9cd9a | 2506 | void gfc_set_implicit_none (void); |
e9bd9f7d | 2507 | void gfc_check_function_type (gfc_namespace *); |
e9c06563 | 2508 | bool gfc_is_intrinsic_typename (const char *); |
6de9cd9a | 2509 | |
713485cc | 2510 | gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *); |
17b1d2a0 | 2511 | gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); |
6de9cd9a | 2512 | |
66e4ab31 | 2513 | void gfc_set_sym_referenced (gfc_symbol *); |
6de9cd9a | 2514 | |
17b1d2a0 | 2515 | gfc_try gfc_add_attribute (symbol_attribute *, locus *); |
2b374f55 | 2516 | gfc_try gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *); |
17b1d2a0 | 2517 | gfc_try gfc_add_allocatable (symbol_attribute *, locus *); |
be59db2d | 2518 | gfc_try gfc_add_codimension (symbol_attribute *, const char *, locus *); |
fe4e525c | 2519 | gfc_try gfc_add_contiguous (symbol_attribute *, const char *, locus *); |
17b1d2a0 KG |
2520 | gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *); |
2521 | gfc_try gfc_add_external (symbol_attribute *, locus *); | |
2522 | gfc_try gfc_add_intrinsic (symbol_attribute *, locus *); | |
2523 | gfc_try gfc_add_optional (symbol_attribute *, locus *); | |
2524 | gfc_try gfc_add_pointer (symbol_attribute *, locus *); | |
2525 | gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *); | |
2526 | gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *); | |
32e8bb8e | 2527 | match gfc_mod_pointee_as (gfc_array_spec *); |
17b1d2a0 KG |
2528 | gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *); |
2529 | gfc_try gfc_add_result (symbol_attribute *, const char *, locus *); | |
80f95228 | 2530 | gfc_try gfc_add_save (symbol_attribute *, save_state, const char *, locus *); |
17b1d2a0 KG |
2531 | gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *); |
2532 | gfc_try gfc_add_saved_common (symbol_attribute *, locus *); | |
2533 | gfc_try gfc_add_target (symbol_attribute *, locus *); | |
2534 | gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *); | |
2535 | gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *); | |
2536 | gfc_try gfc_add_common (symbol_attribute *, locus *); | |
2537 | gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *); | |
2538 | gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); | |
2539 | gfc_try gfc_add_data (symbol_attribute *, const char *, locus *); | |
2540 | gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *); | |
2541 | gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *); | |
2542 | gfc_try gfc_add_elemental (symbol_attribute *, locus *); | |
2543 | gfc_try gfc_add_pure (symbol_attribute *, locus *); | |
2544 | gfc_try gfc_add_recursive (symbol_attribute *, locus *); | |
2545 | gfc_try gfc_add_function (symbol_attribute *, const char *, locus *); | |
2546 | gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *); | |
2547 | gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *); | |
1eee5628 | 2548 | gfc_try gfc_add_asynchronous (symbol_attribute *, const char *, locus *); |
17b1d2a0 | 2549 | gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); |
52f49934 | 2550 | gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where); |
17b1d2a0 KG |
2551 | |
2552 | gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); | |
63a3341a PT |
2553 | gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); |
2554 | gfc_try gfc_add_extension (symbol_attribute *, locus *); | |
17b1d2a0 KG |
2555 | gfc_try gfc_add_value (symbol_attribute *, const char *, locus *); |
2556 | gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); | |
2557 | gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *); | |
2558 | gfc_try gfc_add_procedure (symbol_attribute *, procedure_type, | |
231b2fcc | 2559 | const char *, locus *); |
17b1d2a0 KG |
2560 | gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *); |
2561 | gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc, | |
6de9cd9a | 2562 | gfc_formal_arglist *, locus *); |
17b1d2a0 | 2563 | gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); |
6de9cd9a DN |
2564 | |
2565 | void gfc_clear_attr (symbol_attribute *); | |
17b1d2a0 KG |
2566 | gfc_try gfc_missing_attr (symbol_attribute *, locus *); |
2567 | gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); | |
6de9cd9a | 2568 | |
17b1d2a0 | 2569 | gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **); |
6de9cd9a DN |
2570 | gfc_symbol *gfc_use_derived (gfc_symbol *); |
2571 | gfc_symtree *gfc_use_derived_tree (gfc_symtree *); | |
9d1210f4 | 2572 | gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool); |
6de9cd9a DN |
2573 | |
2574 | gfc_st_label *gfc_get_st_label (int); | |
2575 | void gfc_free_st_label (gfc_st_label *); | |
2576 | void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); | |
17b1d2a0 | 2577 | gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type); |
6de9cd9a | 2578 | |
0366dfe9 | 2579 | gfc_namespace *gfc_get_namespace (gfc_namespace *, int); |
6de9cd9a DN |
2580 | gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); |
2581 | gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); | |
a99d95a2 | 2582 | void gfc_delete_symtree (gfc_symtree **, const char *); |
aa84a9a5 | 2583 | gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); |
6de9cd9a DN |
2584 | gfc_user_op *gfc_get_uop (const char *); |
2585 | gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); | |
2586 | void gfc_free_symbol (gfc_symbol *); | |
3cb595ac | 2587 | void gfc_release_symbol (gfc_symbol *); |
6de9cd9a | 2588 | gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); |
61b644c2 | 2589 | gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *); |
6de9cd9a DN |
2590 | int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); |
2591 | int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); | |
2592 | int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); | |
00820a2a JW |
2593 | gfc_try gfc_verify_c_interop (gfc_typespec *); |
2594 | gfc_try gfc_verify_c_interop_param (gfc_symbol *); | |
17b1d2a0 KG |
2595 | gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); |
2596 | gfc_try verify_bind_c_derived_type (gfc_symbol *); | |
2597 | gfc_try verify_com_block_vars_c_interop (gfc_common_head *); | |
741ac903 | 2598 | void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *); |
9975a30b | 2599 | gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, const char *, int); |
08a6b8e0 | 2600 | int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool); |
6de9cd9a DN |
2601 | int gfc_get_ha_symbol (const char *, gfc_symbol **); |
2602 | int gfc_get_ha_sym_tree (const char *, gfc_symtree **); | |
2603 | ||
6de9cd9a DN |
2604 | void gfc_undo_symbols (void); |
2605 | void gfc_commit_symbols (void); | |
66e4ab31 | 2606 | void gfc_commit_symbol (gfc_symbol *); |
b76e28c6 | 2607 | gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *); |
27f31e39 | 2608 | void gfc_free_charlen (gfc_charlen *, gfc_charlen *); |
6de9cd9a DN |
2609 | void gfc_free_namespace (gfc_namespace *); |
2610 | ||
2611 | void gfc_symbol_init_2 (void); | |
2612 | void gfc_symbol_done_2 (void); | |
2613 | ||
9056bd70 | 2614 | void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); |
6de9cd9a DN |
2615 | void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); |
2616 | void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); | |
2617 | void gfc_save_all (gfc_namespace *); | |
2618 | ||
4bc20f3a | 2619 | void gfc_enforce_clean_symbol_state (void); |
71a7778c PT |
2620 | void gfc_free_dt_list (void); |
2621 | ||
6de9cd9a | 2622 | |
cb9e4f55 TS |
2623 | gfc_gsymbol *gfc_get_gsymbol (const char *); |
2624 | gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); | |
c9543002 | 2625 | |
3e15518b | 2626 | gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*); |
30b608eb | 2627 | gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); |
cf2b3c22 TB |
2628 | gfc_symbol* gfc_get_ultimate_derived_super_type (gfc_symbol*); |
2629 | bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *); | |
e74f1cc8 | 2630 | bool gfc_type_compatible (gfc_typespec *, gfc_typespec *); |
30b608eb | 2631 | |
c73b6478 JW |
2632 | void gfc_copy_formal_args (gfc_symbol *, gfc_symbol *); |
2633 | void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *); | |
7e196f89 | 2634 | void gfc_copy_formal_args_ppc (gfc_component *, gfc_symbol *); |
69773742 | 2635 | |
34523524 DK |
2636 | void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */ |
2637 | ||
f37e928c | 2638 | gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); |
52bf62f9 | 2639 | gfc_namespace* gfc_find_proc_namespace (gfc_namespace*); |
f37e928c | 2640 | |
571d54de | 2641 | bool gfc_is_associate_pointer (gfc_symbol*); |
c3f34952 | 2642 | gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *); |
571d54de | 2643 | |
f2cbd86c DF |
2644 | /* intrinsic.c -- true if working in an init-expr, false otherwise. */ |
2645 | extern bool gfc_init_expr_flag; | |
6de9cd9a DN |
2646 | |
2647 | /* Given a symbol that we have decided is intrinsic, mark it as such | |
2648 | by placing it into a special module that is otherwise impossible to | |
2649 | read or write. */ | |
2650 | ||
cb9e4f55 | 2651 | #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") |
6de9cd9a DN |
2652 | |
2653 | void gfc_intrinsic_init_1 (void); | |
2654 | void gfc_intrinsic_done_1 (void); | |
2655 | ||
2656 | char gfc_type_letter (bt); | |
2657 | gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); | |
17b1d2a0 KG |
2658 | gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int); |
2659 | gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int); | |
2660 | gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *); | |
6de9cd9a DN |
2661 | int gfc_generic_intrinsic (const char *); |
2662 | int gfc_specific_intrinsic (const char *); | |
c3005b0f | 2663 | bool gfc_is_intrinsic (gfc_symbol*, int, locus); |
0e7e7e6e | 2664 | int gfc_intrinsic_actual_ok (const char *, const bool); |
6de9cd9a | 2665 | gfc_intrinsic_sym *gfc_find_function (const char *); |
cd5ecab6 | 2666 | gfc_intrinsic_sym *gfc_find_subroutine (const char *); |
d000aa67 | 2667 | gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id); |
6de9cd9a DN |
2668 | |
2669 | match gfc_intrinsic_func_interface (gfc_expr *, int); | |
2670 | match gfc_intrinsic_sub_interface (gfc_code *, int); | |
2671 | ||
c3005b0f | 2672 | void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); |
17b1d2a0 KG |
2673 | gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, |
2674 | bool, locus); | |
c3005b0f | 2675 | |
6de9cd9a DN |
2676 | /* match.c -- FIXME */ |
2677 | void gfc_free_iterator (gfc_iterator *, int); | |
2678 | void gfc_free_forall_iterator (gfc_forall_iterator *); | |
2679 | void gfc_free_alloc_list (gfc_alloc *); | |
2680 | void gfc_free_namelist (gfc_namelist *); | |
2681 | void gfc_free_equiv (gfc_equiv *); | |
31fee91e | 2682 | void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *); |
6de9cd9a DN |
2683 | void gfc_free_data (gfc_data *); |
2684 | void gfc_free_case_list (gfc_case *); | |
2685 | ||
b6398823 PT |
2686 | /* matchexp.c -- FIXME too? */ |
2687 | gfc_expr *gfc_get_parentheses (gfc_expr *); | |
2688 | ||
6c7a4dfd | 2689 | /* openmp.c */ |
c7d3bb76 | 2690 | struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; }; |
6c7a4dfd JJ |
2691 | void gfc_free_omp_clauses (gfc_omp_clauses *); |
2692 | void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); | |
2693 | void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *); | |
2694 | void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); | |
2695 | void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); | |
c7d3bb76 JJ |
2696 | void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *); |
2697 | void gfc_omp_restore_state (struct gfc_omp_saved_state *); | |
6c7a4dfd | 2698 | |
6de9cd9a DN |
2699 | /* expr.c */ |
2700 | void gfc_free_actual_arglist (gfc_actual_arglist *); | |
2701 | gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); | |
2702 | const char *gfc_extract_int (gfc_expr *, int *); | |
1d6b7f39 | 2703 | bool is_subref_array (gfc_expr *); |
fe4e525c | 2704 | bool gfc_is_simply_contiguous (gfc_expr *, bool); |
6de9cd9a DN |
2705 | |
2706 | gfc_expr *gfc_build_conversion (gfc_expr *); | |
2707 | void gfc_free_ref_list (gfc_ref *); | |
dcea1b2f | 2708 | void gfc_type_convert_binary (gfc_expr *, int); |
6de9cd9a | 2709 | int gfc_is_constant_expr (gfc_expr *); |
17b1d2a0 | 2710 | gfc_try gfc_simplify_expr (gfc_expr *, int); |
4075a94e | 2711 | int gfc_has_vector_index (gfc_expr *); |
6de9cd9a DN |
2712 | |
2713 | gfc_expr *gfc_get_expr (void); | |
b7e75771 JD |
2714 | gfc_expr *gfc_get_array_expr (bt type, int kind, locus *); |
2715 | gfc_expr *gfc_get_null_expr (locus *); | |
2716 | gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *); | |
2717 | gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *); | |
2718 | gfc_expr *gfc_get_constant_expr (bt, int, locus *); | |
2719 | gfc_expr *gfc_get_character_expr (int, locus *, const char *, int len); | |
2720 | gfc_expr *gfc_get_int_expr (int, locus *, int); | |
2721 | gfc_expr *gfc_get_logical_expr (int, locus *, bool); | |
2722 | gfc_expr *gfc_get_iokind_expr (locus *, io_kind); | |
2723 | ||
7d7212ec MM |
2724 | void gfc_clear_shape (mpz_t *shape, int rank); |
2725 | void gfc_free_shape (mpz_t **shape, int rank); | |
6de9cd9a DN |
2726 | void gfc_free_expr (gfc_expr *); |
2727 | void gfc_replace_expr (gfc_expr *, gfc_expr *); | |
6de9cd9a | 2728 | mpz_t *gfc_copy_shape (mpz_t *, int); |
94538bd1 | 2729 | mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); |
6de9cd9a | 2730 | gfc_expr *gfc_copy_expr (gfc_expr *); |
8e1f752a | 2731 | gfc_ref* gfc_copy_ref (gfc_ref*); |
6de9cd9a | 2732 | |
17b1d2a0 | 2733 | gfc_try gfc_specification_expr (gfc_expr *); |
6de9cd9a DN |
2734 | |
2735 | int gfc_numeric_ts (gfc_typespec *); | |
2736 | int gfc_kind_max (gfc_expr *, gfc_expr *); | |
2737 | ||
ca8a8795 | 2738 | gfc_try gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3; |
17b1d2a0 KG |
2739 | gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int); |
2740 | gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *); | |
2741 | gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *); | |
6de9cd9a | 2742 | |
16e520b6 | 2743 | bool gfc_has_default_initializer (gfc_symbol *); |
54b4ba60 | 2744 | gfc_expr *gfc_default_initializer (gfc_typespec *); |
294fbfc8 | 2745 | gfc_expr *gfc_get_variable_expr (gfc_symtree *); |
0d87fa8c | 2746 | gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); |
294fbfc8 | 2747 | |
b7d1d8b4 PT |
2748 | gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr); |
2749 | ||
640670c7 PT |
2750 | bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, |
2751 | bool (*)(gfc_expr *, gfc_symbol *, int*), | |
2752 | int); | |
66e4ab31 | 2753 | void gfc_expr_set_symbols_referenced (gfc_expr *); |
f37e928c | 2754 | gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); |
c6acea9d | 2755 | void gfc_expr_replace_symbols (gfc_expr *, gfc_symbol *); |
f64edc8b | 2756 | void gfc_expr_replace_comp (gfc_expr *, gfc_component *); |
f37e928c | 2757 | |
f64edc8b | 2758 | bool gfc_is_proc_ptr_comp (gfc_expr *, gfc_component **); |
713485cc | 2759 | |
badd9e69 | 2760 | bool gfc_ref_this_image (gfc_ref *ref); |
d3a9eea2 | 2761 | bool gfc_is_coindexed (gfc_expr *); |
394d3a2e | 2762 | bool gfc_is_coarray (gfc_expr *); |
4dc694b2 | 2763 | int gfc_get_corank (gfc_expr *); |
d3a9eea2 TB |
2764 | bool gfc_has_ultimate_allocatable (gfc_expr *); |
2765 | bool gfc_has_ultimate_pointer (gfc_expr *); | |
2766 | ||
69dcd06a | 2767 | gfc_expr* gfc_build_intrinsic_call (const char*, locus, unsigned, ...); |
fea54935 | 2768 | gfc_try gfc_check_vardef_context (gfc_expr*, bool, bool, const char*); |
69dcd06a | 2769 | |
d3a9eea2 | 2770 | |
6de9cd9a DN |
2771 | /* st.c */ |
2772 | extern gfc_code new_st; | |
2773 | ||
2774 | void gfc_clear_new_st (void); | |
2775 | gfc_code *gfc_get_code (void); | |
2776 | gfc_code *gfc_append_code (gfc_code *, gfc_code *); | |
2777 | void gfc_free_statement (gfc_code *); | |
2778 | void gfc_free_statements (gfc_code *); | |
03af1e4c | 2779 | void gfc_free_association_list (gfc_association_list *); |
6de9cd9a DN |
2780 | |
2781 | /* resolve.c */ | |
17b1d2a0 | 2782 | gfc_try gfc_resolve_expr (gfc_expr *); |
6de9cd9a | 2783 | void gfc_resolve (gfc_namespace *); |
6c7a4dfd | 2784 | void gfc_resolve_blocks (gfc_code *, gfc_namespace *); |
6de9cd9a DN |
2785 | int gfc_impure_variable (gfc_symbol *); |
2786 | int gfc_pure (gfc_symbol *); | |
f1f39033 | 2787 | int gfc_implicit_pure (gfc_symbol *); |
6de9cd9a | 2788 | int gfc_elemental (gfc_symbol *); |
17b1d2a0 KG |
2789 | gfc_try gfc_resolve_iterator (gfc_iterator *, bool); |
2790 | gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int); | |
2791 | gfc_try gfc_resolve_index (gfc_expr *, int); | |
2792 | gfc_try gfc_resolve_dim_arg (gfc_expr *); | |
4213f93b | 2793 | int gfc_is_formal_arg (void); |
07368af0 | 2794 | void gfc_resolve_substring_charlen (gfc_expr *); |
a8b3b0b6 | 2795 | match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *); |
cf2b3c22 TB |
2796 | gfc_expr *gfc_expr_to_initialize (gfc_expr *); |
2797 | bool gfc_type_is_extensible (gfc_symbol *sym); | |
a8b3b0b6 | 2798 | |
6de9cd9a DN |
2799 | |
2800 | /* array.c */ | |
b7e75771 JD |
2801 | gfc_iterator *gfc_copy_iterator (gfc_iterator *); |
2802 | ||
6de9cd9a DN |
2803 | void gfc_free_array_spec (gfc_array_spec *); |
2804 | gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); | |
2805 | ||
17b1d2a0 | 2806 | gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); |
6de9cd9a | 2807 | gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); |
17b1d2a0 | 2808 | gfc_try gfc_resolve_array_spec (gfc_array_spec *, int); |
6de9cd9a DN |
2809 | |
2810 | int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); | |
2811 | ||
6de9cd9a | 2812 | void gfc_simplify_iterator_var (gfc_expr *); |
928f0490 | 2813 | gfc_try gfc_expand_constructor (gfc_expr *, bool); |
6de9cd9a DN |
2814 | int gfc_constant_ac (gfc_expr *); |
2815 | int gfc_expanded_ac (gfc_expr *); | |
17b1d2a0 KG |
2816 | gfc_try gfc_resolve_character_array_constructor (gfc_expr *); |
2817 | gfc_try gfc_resolve_array_constructor (gfc_expr *); | |
2818 | gfc_try gfc_check_constructor_type (gfc_expr *); | |
2819 | gfc_try gfc_check_iter_variable (gfc_expr *); | |
2820 | gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *)); | |
17b1d2a0 KG |
2821 | gfc_try gfc_array_size (gfc_expr *, mpz_t *); |
2822 | gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *); | |
2823 | gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *); | |
6de9cd9a | 2824 | gfc_array_ref *gfc_find_array_ref (gfc_expr *); |
66e4ab31 | 2825 | tree gfc_conv_array_initializer (tree type, gfc_expr *); |
17b1d2a0 KG |
2826 | gfc_try spec_size (gfc_array_spec *, mpz_t *); |
2827 | gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *); | |
4077d207 | 2828 | int gfc_is_compile_time_shape (gfc_array_spec *); |
6de9cd9a | 2829 | |
ee247636 | 2830 | gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *); |
543af7ab TK |
2831 | |
2832 | ||
6de9cd9a DN |
2833 | /* interface.c -- FIXME: some of these should be in symbol.c */ |
2834 | void gfc_free_interface (gfc_interface *); | |
e0e85e06 | 2835 | int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); |
6de9cd9a | 2836 | int gfc_compare_types (gfc_typespec *, gfc_typespec *); |
889dc035 JW |
2837 | int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int, |
2838 | char *, int); | |
6de9cd9a DN |
2839 | void gfc_check_interfaces (gfc_namespace *); |
2840 | void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); | |
7e196f89 | 2841 | void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *); |
6de9cd9a DN |
2842 | gfc_symbol *gfc_search_interface (gfc_interface *, int, |
2843 | gfc_actual_arglist **); | |
eaee02a5 | 2844 | match gfc_extend_expr (gfc_expr *); |
6de9cd9a | 2845 | void gfc_free_formal_arglist (gfc_formal_arglist *); |
17b1d2a0 KG |
2846 | gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *); |
2847 | gfc_try gfc_add_interface (gfc_symbol *); | |
2b77e908 FXC |
2848 | gfc_interface *gfc_current_interface_head (void); |
2849 | void gfc_set_current_interface_head (gfc_interface *); | |
f6fad28e | 2850 | gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); |
f0ac18b7 | 2851 | bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); |
94747289 | 2852 | bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus); |
03af1e4c | 2853 | int gfc_has_vector_subscript (gfc_expr*); |
fb03a37e | 2854 | gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op); |
99fc1b90 | 2855 | gfc_try gfc_check_typebound_override (gfc_symtree*, gfc_symtree*); |
6de9cd9a DN |
2856 | |
2857 | /* io.c */ | |
2858 | extern gfc_st_label format_asterisk; | |
2859 | ||
2860 | void gfc_free_open (gfc_open *); | |
17b1d2a0 | 2861 | gfc_try gfc_resolve_open (gfc_open *); |
6de9cd9a | 2862 | void gfc_free_close (gfc_close *); |
17b1d2a0 | 2863 | gfc_try gfc_resolve_close (gfc_close *); |
6de9cd9a | 2864 | void gfc_free_filepos (gfc_filepos *); |
17b1d2a0 | 2865 | gfc_try gfc_resolve_filepos (gfc_filepos *); |
6de9cd9a | 2866 | void gfc_free_inquire (gfc_inquire *); |
17b1d2a0 | 2867 | gfc_try gfc_resolve_inquire (gfc_inquire *); |
6de9cd9a | 2868 | void gfc_free_dt (gfc_dt *); |
88e18fed | 2869 | gfc_try gfc_resolve_dt (gfc_dt *, locus *); |
6f0f0b2e | 2870 | void gfc_free_wait (gfc_wait *); |
17b1d2a0 | 2871 | gfc_try gfc_resolve_wait (gfc_wait *); |
6de9cd9a DN |
2872 | |
2873 | /* module.c */ | |
2874 | void gfc_module_init_2 (void); | |
2875 | void gfc_module_done_2 (void); | |
2876 | void gfc_dump_module (const char *, int); | |
6e2062b0 | 2877 | bool gfc_check_symbol_access (gfc_symbol *); |
a64f5186 | 2878 | void gfc_free_use_stmts (gfc_use_list *); |
6de9cd9a DN |
2879 | |
2880 | /* primary.c */ | |
2881 | symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); | |
2882 | symbol_attribute gfc_expr_attr (gfc_expr *); | |
eb77cddf | 2883 | match gfc_match_rvalue (gfc_expr **); |
713485cc | 2884 | match gfc_match_varspec (gfc_expr*, int, bool, bool); |
8fc541d3 | 2885 | int gfc_check_digit (char, int); |
2d71b918 | 2886 | bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *); |
c3f34952 TB |
2887 | gfc_try gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *, |
2888 | gfc_expr **, | |
2889 | gfc_actual_arglist **, bool); | |
6de9cd9a DN |
2890 | |
2891 | /* trans.c */ | |
2892 | void gfc_generate_code (gfc_namespace *); | |
2893 | void gfc_generate_module_code (gfc_namespace *); | |
6f4d39bb | 2894 | void gfc_init_coarray_decl (bool); |
6de9cd9a | 2895 | |
9645e798 MM |
2896 | /* trans-intrinsic.c */ |
2897 | bool gfc_inline_intrinsic_function_p (gfc_expr *); | |
2898 | ||
6de9cd9a DN |
2899 | /* bbt.c */ |
2900 | typedef int (*compare_fn) (void *, void *); | |
2901 | void gfc_insert_bbt (void *, void *, compare_fn); | |
2902 | void gfc_delete_bbt (void *, void *, compare_fn); | |
2903 | ||
2904 | /* dump-parse-tree.c */ | |
6c1abb5c | 2905 | void gfc_dump_parse_tree (gfc_namespace *, FILE *); |
6de9cd9a DN |
2906 | |
2907 | /* parse.c */ | |
17b1d2a0 | 2908 | gfc_try gfc_parse_file (void); |
ca39e6f2 | 2909 | void gfc_global_used (gfc_gsymbol *, locus *); |
3e78238a | 2910 | gfc_namespace* gfc_build_block_ns (gfc_namespace *); |
6de9cd9a | 2911 | |
2990f854 | 2912 | /* dependency.c */ |
2757d5ec | 2913 | int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool); |
2990f854 PT |
2914 | int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); |
2915 | ||
fb5bc08b DK |
2916 | /* check.c */ |
2917 | gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); | |
86dbed7d TK |
2918 | gfc_try gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*, |
2919 | size_t*, size_t*, size_t*); | |
fb5bc08b | 2920 | |
d15bac21 JW |
2921 | /* class.c */ |
2922 | void gfc_add_component_ref (gfc_expr *, const char *); | |
c49ea23d | 2923 | void gfc_add_class_array_ref (gfc_expr *); |
b04533af JW |
2924 | #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data") |
2925 | #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr") | |
2926 | #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash") | |
2927 | #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size") | |
2928 | #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init") | |
c49ea23d PT |
2929 | bool gfc_is_class_array_ref (gfc_expr *, bool *); |
2930 | bool gfc_is_class_scalar_expr (gfc_expr *); | |
d15bac21 | 2931 | gfc_expr *gfc_class_null_initializer (gfc_typespec *); |
4fa02692 | 2932 | unsigned int gfc_hash_value (gfc_symbol *); |
d15bac21 JW |
2933 | gfc_try gfc_build_class_symbol (gfc_typespec *, symbol_attribute *, |
2934 | gfc_array_spec **, bool); | |
88ce8031 | 2935 | gfc_symbol *gfc_find_derived_vtab (gfc_symbol *); |
d15bac21 JW |
2936 | gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, |
2937 | const char*, bool, locus*); | |
2938 | gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, gfc_try*, | |
2939 | const char*, bool, locus*); | |
2940 | gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, gfc_try*, | |
2941 | gfc_intrinsic_op, bool, | |
2942 | locus*); | |
2943 | gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*); | |
2944 | ||
7a08eda1 JW |
2945 | #define CLASS_DATA(sym) sym->ts.u.derived->components |
2946 | ||
601d98be TK |
2947 | /* frontend-passes.c */ |
2948 | ||
2949 | void gfc_run_passes (gfc_namespace *); | |
2950 | ||
4d42b5cd JJ |
2951 | typedef int (*walk_code_fn_t) (gfc_code **, int *, void *); |
2952 | typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *); | |
2953 | ||
2954 | int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *); | |
2955 | int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *); | |
2956 | ||
53814b8f | 2957 | #endif /* GCC_GFORTRAN_H */ |