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6de9cd9a | 1 | /* gfortran header file |
66647d44 | 2 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
840bd9f7 | 3 | Free Software Foundation, Inc. |
6de9cd9a DN |
4 | Contributed by Andy Vaught |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 10 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 11 | version. |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
21 | |
22 | #ifndef GCC_GFORTRAN_H | |
23 | #define GCC_GFORTRAN_H | |
24 | ||
25 | /* It's probably insane to have this large of a header file, but it | |
26 | seemed like everything had to be recompiled anyway when a change | |
27 | was made to a header file, and there were ordering issues with | |
28 | multiple header files. Besides, Microsoft's winnt.h was 250k last | |
29 | time I looked, so by comparison this is perfectly reasonable. */ | |
30 | ||
d74b97cc FXC |
31 | /* Declarations common to the front-end and library are put in |
32 | libgfortran/libgfortran_frontend.h */ | |
33 | #include "libgfortran.h" | |
34 | ||
35 | ||
6de9cd9a | 36 | #include "system.h" |
31043f6c | 37 | #include "intl.h" |
6de9cd9a | 38 | #include "coretypes.h" |
c8cc8542 | 39 | #include "input.h" |
5868cbf9 | 40 | #include "splay-tree.h" |
6de9cd9a DN |
41 | /* The following ifdefs are recommended by the autoconf documentation |
42 | for any code using alloca. */ | |
43 | ||
44 | /* AIX requires this to be the first thing in the file. */ | |
45 | #ifdef __GNUC__ | |
46 | #else /* not __GNUC__ */ | |
47 | #ifdef HAVE_ALLOCA_H | |
48 | #include <alloca.h> | |
49 | #else /* do not HAVE_ALLOCA_H */ | |
50 | #ifdef _AIX | |
51 | #pragma alloca | |
52 | #else | |
53 | #ifndef alloca /* predefined by HP cc +Olibcalls */ | |
54 | char *alloca (); | |
55 | #endif /* not predefined */ | |
56 | #endif /* not _AIX */ | |
57 | #endif /* do not HAVE_ALLOCA_H */ | |
58 | #endif /* not __GNUC__ */ | |
59 | ||
6de9cd9a DN |
60 | /* Major control parameters. */ |
61 | ||
1dde8683 | 62 | #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */ |
a8b3b0b6 CR |
63 | #define GFC_MAX_BINDING_LABEL_LEN 126 /* (2 * GFC_MAX_SYMBOL_LEN) */ |
64 | #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */ | |
6de9cd9a | 65 | #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ |
6de9cd9a | 66 | |
07b3bbf2 TK |
67 | #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */ |
68 | ||
69 | ||
6de9cd9a DN |
70 | #define free(x) Use_gfc_free_instead_of_free() |
71 | #define gfc_is_whitespace(c) ((c==' ') || (c=='\t')) | |
72 | ||
73 | #ifndef NULL | |
74 | #define NULL ((void *) 0) | |
75 | #endif | |
76 | ||
77 | /* Stringization. */ | |
78 | #define stringize(x) expand_macro(x) | |
79 | #define expand_macro(x) # x | |
80 | ||
df2fba9e | 81 | /* For the runtime library, a standard prefix is a requirement to |
6de9cd9a DN |
82 | avoid cluttering the namespace with things nobody asked for. It's |
83 | ugly to look at and a pain to type when you add the prefix by hand, | |
84 | so we hide it behind a macro. */ | |
85 | #define PREFIX(x) "_gfortran_" x | |
5b200ac2 | 86 | #define PREFIX_LEN 10 |
6de9cd9a | 87 | |
30aabb86 PT |
88 | #define BLANK_COMMON_NAME "__BLNK__" |
89 | ||
6de9cd9a DN |
90 | /* Macro to initialize an mstring structure. */ |
91 | #define minit(s, t) { s, NULL, t } | |
92 | ||
93 | /* Structure for storing strings to be matched by gfc_match_string. */ | |
94 | typedef struct | |
95 | { | |
96 | const char *string; | |
97 | const char *mp; | |
98 | int tag; | |
99 | } | |
100 | mstring; | |
101 | ||
102 | ||
944b8b35 | 103 | |
6de9cd9a DN |
104 | /*************************** Enums *****************************/ |
105 | ||
ad7ee6f8 JD |
106 | /* Used when matching and resolving data I/O transfer statements. */ |
107 | ||
108 | typedef enum | |
109 | { M_READ, M_WRITE, M_PRINT, M_INQUIRE } | |
110 | io_kind; | |
111 | ||
6de9cd9a DN |
112 | /* The author remains confused to this day about the convention of |
113 | returning '0' for 'SUCCESS'... or was it the other way around? The | |
114 | following enum makes things much more readable. We also start | |
115 | values off at one instead of zero. */ | |
116 | ||
117 | typedef enum | |
118 | { SUCCESS = 1, FAILURE } | |
8b11b59f | 119 | gfc_try; |
6de9cd9a | 120 | |
8f0d39a8 FXC |
121 | /* This is returned by gfc_notification_std to know if, given the flags |
122 | that were given (-std=, -pedantic) we should issue an error, a warning | |
123 | or nothing. */ | |
124 | ||
125 | typedef enum | |
126 | { SILENT, WARNING, ERROR } | |
127 | notification; | |
128 | ||
6de9cd9a DN |
129 | /* Matchers return one of these three values. The difference between |
130 | MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was | |
131 | successful, but that something non-syntactic is wrong and an error | |
132 | has already been issued. */ | |
133 | ||
134 | typedef enum | |
135 | { MATCH_NO = 1, MATCH_YES, MATCH_ERROR } | |
136 | match; | |
137 | ||
138 | typedef enum | |
139 | { FORM_FREE, FORM_FIXED, FORM_UNKNOWN } | |
140 | gfc_source_form; | |
141 | ||
1207ac67 | 142 | /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer |
a8b3b0b6 | 143 | can take any arg with the pointer attribute as a param. */ |
6de9cd9a DN |
144 | typedef enum |
145 | { BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX, | |
a8b3b0b6 CR |
146 | BT_LOGICAL, BT_CHARACTER, BT_DERIVED, BT_PROCEDURE, BT_HOLLERITH, |
147 | BT_VOID | |
6de9cd9a DN |
148 | } |
149 | bt; | |
150 | ||
151 | /* Expression node types. */ | |
152 | typedef enum | |
153 | { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, | |
8e1f752a | 154 | EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL |
6de9cd9a DN |
155 | } |
156 | expr_t; | |
157 | ||
158 | /* Array types. */ | |
159 | typedef enum | |
160 | { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, | |
161 | AS_ASSUMED_SIZE, AS_UNKNOWN | |
162 | } | |
163 | array_type; | |
164 | ||
165 | typedef enum | |
166 | { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN } | |
167 | ar_type; | |
168 | ||
169 | /* Statement label types. */ | |
170 | typedef enum | |
171 | { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, | |
172 | ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT | |
173 | } | |
174 | gfc_sl_type; | |
175 | ||
176 | /* Intrinsic operators. */ | |
177 | typedef enum | |
178 | { GFC_INTRINSIC_BEGIN = 0, | |
179 | INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, | |
180 | INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, | |
181 | INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, | |
182 | INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, | |
3bed9dd0 | 183 | /* ==, /=, >, >=, <, <= */ |
6de9cd9a | 184 | INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, |
3bed9dd0 DF |
185 | INTRINSIC_LT, INTRINSIC_LE, |
186 | /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */ | |
187 | INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, | |
188 | INTRINSIC_LT_OS, INTRINSIC_LE_OS, | |
189 | INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, | |
190 | INTRINSIC_PARENTHESES, GFC_INTRINSIC_END /* Sentinel */ | |
6de9cd9a DN |
191 | } |
192 | gfc_intrinsic_op; | |
193 | ||
194 | ||
6de9cd9a DN |
195 | /* This macro is the number of intrinsic operators that exist. |
196 | Assumptions are made about the numbering of the interface_op enums. */ | |
197 | #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END | |
198 | ||
199 | /* Arithmetic results. */ | |
200 | typedef enum | |
f8e566e5 | 201 | { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, |
6bb62671 | 202 | ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT |
6de9cd9a DN |
203 | } |
204 | arith; | |
205 | ||
206 | /* Statements. */ | |
207 | typedef enum | |
208 | { | |
209 | ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_BACKSPACE, ST_BLOCK_DATA, | |
210 | ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, | |
211 | ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, | |
212 | ST_ELSEWHERE, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO, | |
34523524 | 213 | ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, |
6403ec5f JB |
214 | ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, |
215 | ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, | |
216 | ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, | |
8998be20 | 217 | ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_IMPORT, ST_INQUIRE, ST_INTERFACE, |
6403ec5f JB |
218 | ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, |
219 | ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, | |
6f0f0b2e JD |
220 | ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, |
221 | ST_WRITE, ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, | |
6403ec5f | 222 | ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, |
6c7a4dfd JJ |
223 | ST_ENUM, ST_ENUMERATOR, ST_END_ENUM, |
224 | ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_CRITICAL, | |
225 | ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL, | |
226 | ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, | |
227 | ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, | |
228 | ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, | |
229 | ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, | |
230 | ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, | |
a68ab351 | 231 | ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, |
e157f736 | 232 | ST_OMP_TASKWAIT, ST_PROCEDURE, ST_GENERIC, |
1c8bcdf7 | 233 | ST_GET_FCN_CHARACTERISTICS, ST_NONE |
6de9cd9a DN |
234 | } |
235 | gfc_statement; | |
236 | ||
237 | ||
238 | /* Types of interfaces that we can have. Assignment interfaces are | |
239 | considered to be intrinsic operators. */ | |
240 | typedef enum | |
241 | { | |
242 | INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, | |
9e1d712c | 243 | INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT |
6de9cd9a DN |
244 | } |
245 | interface_type; | |
246 | ||
247 | /* Symbol flavors: these are all mutually exclusive. | |
248 | 10 elements = 4 bits. */ | |
5f42ddb0 | 249 | typedef enum sym_flavor |
6de9cd9a DN |
250 | { |
251 | FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, | |
a8b3b0b6 CR |
252 | FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, |
253 | FL_VOID | |
6de9cd9a DN |
254 | } |
255 | sym_flavor; | |
256 | ||
257 | /* Procedure types. 7 elements = 3 bits. */ | |
5f42ddb0 | 258 | typedef enum procedure_type |
6de9cd9a DN |
259 | { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, |
260 | PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL | |
261 | } | |
262 | procedure_type; | |
263 | ||
264 | /* Intent types. */ | |
5f42ddb0 | 265 | typedef enum sym_intent |
6de9cd9a DN |
266 | { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT |
267 | } | |
268 | sym_intent; | |
269 | ||
270 | /* Access types. */ | |
5f42ddb0 KG |
271 | typedef enum gfc_access |
272 | { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE | |
6de9cd9a DN |
273 | } |
274 | gfc_access; | |
275 | ||
276 | /* Flags to keep track of where an interface came from. | |
277 | 4 elements = 2 bits. */ | |
5f42ddb0 | 278 | typedef enum ifsrc |
6de9cd9a DN |
279 | { IFSRC_UNKNOWN = 0, IFSRC_DECL, IFSRC_IFBODY, IFSRC_USAGE |
280 | } | |
281 | ifsrc; | |
282 | ||
86bf520d | 283 | /* Whether a SAVE attribute was set explicitly or implicitly. */ |
5349080d TB |
284 | typedef enum save_state |
285 | { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT | |
286 | } | |
287 | save_state; | |
288 | ||
6de9cd9a DN |
289 | /* Strings for all symbol attributes. We use these for dumping the |
290 | parse tree, in error messages, and also when reading and writing | |
291 | modules. In symbol.c. */ | |
292 | extern const mstring flavors[]; | |
293 | extern const mstring procedures[]; | |
294 | extern const mstring intents[]; | |
295 | extern const mstring access_types[]; | |
296 | extern const mstring ifsrc_types[]; | |
ef7236d2 | 297 | extern const mstring save_status[]; |
6de9cd9a DN |
298 | |
299 | /* Enumeration of all the generic intrinsic functions. Used by the | |
300 | backend for identification of a function. */ | |
301 | ||
cd5ecab6 | 302 | enum gfc_isym_id |
6de9cd9a DN |
303 | { |
304 | /* GFC_ISYM_NONE is used for intrinsics which will never be seen by | |
df2fba9e | 305 | the backend (e.g. KIND). */ |
6de9cd9a | 306 | GFC_ISYM_NONE = 0, |
cd5ecab6 | 307 | GFC_ISYM_ABORT, |
6de9cd9a | 308 | GFC_ISYM_ABS, |
a119fc1c | 309 | GFC_ISYM_ACCESS, |
6de9cd9a DN |
310 | GFC_ISYM_ACHAR, |
311 | GFC_ISYM_ACOS, | |
1e399e23 | 312 | GFC_ISYM_ACOSH, |
6de9cd9a DN |
313 | GFC_ISYM_ADJUSTL, |
314 | GFC_ISYM_ADJUSTR, | |
315 | GFC_ISYM_AIMAG, | |
316 | GFC_ISYM_AINT, | |
cd5ecab6 | 317 | GFC_ISYM_ALARM, |
6de9cd9a DN |
318 | GFC_ISYM_ALL, |
319 | GFC_ISYM_ALLOCATED, | |
5d723e54 | 320 | GFC_ISYM_AND, |
cd5ecab6 | 321 | GFC_ISYM_ANINT, |
6de9cd9a DN |
322 | GFC_ISYM_ANY, |
323 | GFC_ISYM_ASIN, | |
1e399e23 | 324 | GFC_ISYM_ASINH, |
6de9cd9a DN |
325 | GFC_ISYM_ASSOCIATED, |
326 | GFC_ISYM_ATAN, | |
327 | GFC_ISYM_ATAN2, | |
cd5ecab6 DF |
328 | GFC_ISYM_ATANH, |
329 | GFC_ISYM_BIT_SIZE, | |
6de9cd9a DN |
330 | GFC_ISYM_BTEST, |
331 | GFC_ISYM_CEILING, | |
332 | GFC_ISYM_CHAR, | |
f77b6ca3 | 333 | GFC_ISYM_CHDIR, |
a119fc1c | 334 | GFC_ISYM_CHMOD, |
6de9cd9a | 335 | GFC_ISYM_CMPLX, |
b41b2534 | 336 | GFC_ISYM_COMMAND_ARGUMENT_COUNT, |
5d723e54 | 337 | GFC_ISYM_COMPLEX, |
6de9cd9a | 338 | GFC_ISYM_CONJG, |
cd5ecab6 | 339 | GFC_ISYM_CONVERSION, |
6de9cd9a DN |
340 | GFC_ISYM_COS, |
341 | GFC_ISYM_COSH, | |
342 | GFC_ISYM_COUNT, | |
cd5ecab6 | 343 | GFC_ISYM_CPU_TIME, |
6de9cd9a | 344 | GFC_ISYM_CSHIFT, |
35059811 | 345 | GFC_ISYM_CTIME, |
cd5ecab6 | 346 | GFC_ISYM_DATE_AND_TIME, |
6de9cd9a | 347 | GFC_ISYM_DBLE, |
cd5ecab6 | 348 | GFC_ISYM_DIGITS, |
6de9cd9a DN |
349 | GFC_ISYM_DIM, |
350 | GFC_ISYM_DOT_PRODUCT, | |
351 | GFC_ISYM_DPROD, | |
cd5ecab6 | 352 | GFC_ISYM_DTIME, |
6de9cd9a | 353 | GFC_ISYM_EOSHIFT, |
cd5ecab6 | 354 | GFC_ISYM_EPSILON, |
e8525382 SK |
355 | GFC_ISYM_ERF, |
356 | GFC_ISYM_ERFC, | |
f489fba1 | 357 | GFC_ISYM_ERFC_SCALED, |
2bd74949 | 358 | GFC_ISYM_ETIME, |
cd5ecab6 | 359 | GFC_ISYM_EXIT, |
6de9cd9a DN |
360 | GFC_ISYM_EXP, |
361 | GFC_ISYM_EXPONENT, | |
35059811 | 362 | GFC_ISYM_FDATE, |
5d723e54 FXC |
363 | GFC_ISYM_FGET, |
364 | GFC_ISYM_FGETC, | |
6de9cd9a | 365 | GFC_ISYM_FLOOR, |
cd5ecab6 | 366 | GFC_ISYM_FLUSH, |
df65f093 | 367 | GFC_ISYM_FNUM, |
5d723e54 FXC |
368 | GFC_ISYM_FPUT, |
369 | GFC_ISYM_FPUTC, | |
6de9cd9a | 370 | GFC_ISYM_FRACTION, |
cd5ecab6 DF |
371 | GFC_ISYM_FREE, |
372 | GFC_ISYM_FSEEK, | |
df65f093 | 373 | GFC_ISYM_FSTAT, |
5d723e54 | 374 | GFC_ISYM_FTELL, |
88607a9a | 375 | GFC_ISYM_GAMMA, |
cd5ecab6 DF |
376 | GFC_ISYM_GERROR, |
377 | GFC_ISYM_GETARG, | |
378 | GFC_ISYM_GET_COMMAND, | |
379 | GFC_ISYM_GET_COMMAND_ARGUMENT, | |
a8c60d7f | 380 | GFC_ISYM_GETCWD, |
cd5ecab6 DF |
381 | GFC_ISYM_GETENV, |
382 | GFC_ISYM_GET_ENVIRONMENT_VARIABLE, | |
4c0c6b9f | 383 | GFC_ISYM_GETGID, |
cd5ecab6 | 384 | GFC_ISYM_GETLOG, |
4c0c6b9f SK |
385 | GFC_ISYM_GETPID, |
386 | GFC_ISYM_GETUID, | |
cd5ecab6 | 387 | GFC_ISYM_GMTIME, |
f77b6ca3 | 388 | GFC_ISYM_HOSTNM, |
cd5ecab6 | 389 | GFC_ISYM_HUGE, |
f489fba1 | 390 | GFC_ISYM_HYPOT, |
6de9cd9a DN |
391 | GFC_ISYM_IACHAR, |
392 | GFC_ISYM_IAND, | |
b41b2534 | 393 | GFC_ISYM_IARGC, |
6de9cd9a DN |
394 | GFC_ISYM_IBCLR, |
395 | GFC_ISYM_IBITS, | |
396 | GFC_ISYM_IBSET, | |
397 | GFC_ISYM_ICHAR, | |
cd5ecab6 | 398 | GFC_ISYM_IDATE, |
6de9cd9a | 399 | GFC_ISYM_IEOR, |
f77b6ca3 | 400 | GFC_ISYM_IERRNO, |
6de9cd9a DN |
401 | GFC_ISYM_INDEX, |
402 | GFC_ISYM_INT, | |
bf3fb7e4 FXC |
403 | GFC_ISYM_INT2, |
404 | GFC_ISYM_INT8, | |
6de9cd9a | 405 | GFC_ISYM_IOR, |
2bd74949 | 406 | GFC_ISYM_IRAND, |
ae8b8789 | 407 | GFC_ISYM_ISATTY, |
bae89173 FXC |
408 | GFC_ISYM_IS_IOSTAT_END, |
409 | GFC_ISYM_IS_IOSTAT_EOR, | |
3d97b1af | 410 | GFC_ISYM_ISNAN, |
6de9cd9a DN |
411 | GFC_ISYM_ISHFT, |
412 | GFC_ISYM_ISHFTC, | |
cd5ecab6 DF |
413 | GFC_ISYM_ITIME, |
414 | GFC_ISYM_J0, | |
415 | GFC_ISYM_J1, | |
416 | GFC_ISYM_JN, | |
f77b6ca3 | 417 | GFC_ISYM_KILL, |
cd5ecab6 | 418 | GFC_ISYM_KIND, |
6de9cd9a | 419 | GFC_ISYM_LBOUND, |
414f00e9 | 420 | GFC_ISYM_LEADZ, |
6de9cd9a DN |
421 | GFC_ISYM_LEN, |
422 | GFC_ISYM_LEN_TRIM, | |
88607a9a | 423 | GFC_ISYM_LGAMMA, |
6de9cd9a DN |
424 | GFC_ISYM_LGE, |
425 | GFC_ISYM_LGT, | |
cd5ecab6 | 426 | GFC_ISYM_LINK, |
6de9cd9a DN |
427 | GFC_ISYM_LLE, |
428 | GFC_ISYM_LLT, | |
83d890b9 | 429 | GFC_ISYM_LOC, |
bf3fb7e4 | 430 | GFC_ISYM_LOG, |
6de9cd9a DN |
431 | GFC_ISYM_LOG10, |
432 | GFC_ISYM_LOGICAL, | |
bf3fb7e4 | 433 | GFC_ISYM_LONG, |
a119fc1c | 434 | GFC_ISYM_LSHIFT, |
bf3fb7e4 | 435 | GFC_ISYM_LSTAT, |
cd5ecab6 | 436 | GFC_ISYM_LTIME, |
0d519038 | 437 | GFC_ISYM_MALLOC, |
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 DN |
445 | GFC_ISYM_MERGE, |
446 | GFC_ISYM_MIN, | |
cd5ecab6 | 447 | GFC_ISYM_MINEXPONENT, |
6de9cd9a DN |
448 | GFC_ISYM_MINLOC, |
449 | GFC_ISYM_MINVAL, | |
450 | GFC_ISYM_MOD, | |
451 | GFC_ISYM_MODULO, | |
cd5ecab6 DF |
452 | GFC_ISYM_MOVE_ALLOC, |
453 | GFC_ISYM_MVBITS, | |
6de9cd9a | 454 | GFC_ISYM_NEAREST, |
cd5ecab6 | 455 | GFC_ISYM_NEW_LINE, |
6de9cd9a DN |
456 | GFC_ISYM_NINT, |
457 | GFC_ISYM_NOT, | |
cd5ecab6 | 458 | GFC_ISYM_NULL, |
5d723e54 | 459 | GFC_ISYM_OR, |
6de9cd9a | 460 | GFC_ISYM_PACK, |
cd5ecab6 DF |
461 | GFC_ISYM_PERROR, |
462 | GFC_ISYM_PRECISION, | |
6de9cd9a DN |
463 | GFC_ISYM_PRESENT, |
464 | GFC_ISYM_PRODUCT, | |
cd5ecab6 | 465 | GFC_ISYM_RADIX, |
2bd74949 | 466 | GFC_ISYM_RAND, |
cd5ecab6 DF |
467 | GFC_ISYM_RANDOM_NUMBER, |
468 | GFC_ISYM_RANDOM_SEED, | |
469 | GFC_ISYM_RANGE, | |
6de9cd9a | 470 | GFC_ISYM_REAL, |
f77b6ca3 | 471 | GFC_ISYM_RENAME, |
6de9cd9a DN |
472 | GFC_ISYM_REPEAT, |
473 | GFC_ISYM_RESHAPE, | |
474 | GFC_ISYM_RRSPACING, | |
cd5ecab6 | 475 | GFC_ISYM_RSHIFT, |
a39fafac | 476 | GFC_ISYM_SC_KIND, |
6de9cd9a DN |
477 | GFC_ISYM_SCALE, |
478 | GFC_ISYM_SCAN, | |
53096259 | 479 | GFC_ISYM_SECNDS, |
cd5ecab6 | 480 | GFC_ISYM_SECOND, |
6de9cd9a DN |
481 | GFC_ISYM_SET_EXPONENT, |
482 | GFC_ISYM_SHAPE, | |
6de9cd9a | 483 | GFC_ISYM_SIGN, |
185d7d97 | 484 | GFC_ISYM_SIGNAL, |
cd5ecab6 | 485 | GFC_ISYM_SI_KIND, |
6de9cd9a DN |
486 | GFC_ISYM_SIN, |
487 | GFC_ISYM_SINH, | |
488 | GFC_ISYM_SIZE, | |
cd5ecab6 | 489 | GFC_ISYM_SLEEP, |
fd2157ce | 490 | GFC_ISYM_SIZEOF, |
6de9cd9a DN |
491 | GFC_ISYM_SPACING, |
492 | GFC_ISYM_SPREAD, | |
493 | GFC_ISYM_SQRT, | |
cd5ecab6 | 494 | GFC_ISYM_SRAND, |
6de9cd9a | 495 | GFC_ISYM_SR_KIND, |
df65f093 | 496 | GFC_ISYM_STAT, |
6de9cd9a | 497 | GFC_ISYM_SUM, |
cd5ecab6 | 498 | GFC_ISYM_SYMLINK, |
f77b6ca3 | 499 | GFC_ISYM_SYMLNK, |
5b1374e9 | 500 | GFC_ISYM_SYSTEM, |
cd5ecab6 | 501 | GFC_ISYM_SYSTEM_CLOCK, |
6de9cd9a DN |
502 | GFC_ISYM_TAN, |
503 | GFC_ISYM_TANH, | |
f77b6ca3 FXC |
504 | GFC_ISYM_TIME, |
505 | GFC_ISYM_TIME8, | |
cd5ecab6 | 506 | GFC_ISYM_TINY, |
414f00e9 | 507 | GFC_ISYM_TRAILZ, |
6de9cd9a DN |
508 | GFC_ISYM_TRANSFER, |
509 | GFC_ISYM_TRANSPOSE, | |
510 | GFC_ISYM_TRIM, | |
25fc05eb | 511 | GFC_ISYM_TTYNAM, |
6de9cd9a | 512 | GFC_ISYM_UBOUND, |
d8fe26b2 SK |
513 | GFC_ISYM_UMASK, |
514 | GFC_ISYM_UNLINK, | |
6de9cd9a DN |
515 | GFC_ISYM_UNPACK, |
516 | GFC_ISYM_VERIFY, | |
5d723e54 | 517 | GFC_ISYM_XOR, |
cd5ecab6 DF |
518 | GFC_ISYM_Y0, |
519 | GFC_ISYM_Y1, | |
520 | GFC_ISYM_YN | |
6de9cd9a | 521 | }; |
cd5ecab6 | 522 | typedef enum gfc_isym_id gfc_isym_id; |
6de9cd9a | 523 | |
f96d606f | 524 | |
51b09ce3 AL |
525 | typedef enum |
526 | { | |
527 | GFC_INIT_REAL_OFF = 0, | |
528 | GFC_INIT_REAL_ZERO, | |
529 | GFC_INIT_REAL_NAN, | |
346a77d1 | 530 | GFC_INIT_REAL_SNAN, |
51b09ce3 AL |
531 | GFC_INIT_REAL_INF, |
532 | GFC_INIT_REAL_NEG_INF | |
533 | } | |
534 | init_local_real; | |
535 | ||
536 | typedef enum | |
537 | { | |
538 | GFC_INIT_LOGICAL_OFF = 0, | |
539 | GFC_INIT_LOGICAL_FALSE, | |
540 | GFC_INIT_LOGICAL_TRUE | |
541 | } | |
542 | init_local_logical; | |
543 | ||
544 | typedef enum | |
545 | { | |
546 | GFC_INIT_CHARACTER_OFF = 0, | |
547 | GFC_INIT_CHARACTER_ON | |
548 | } | |
549 | init_local_character; | |
550 | ||
551 | typedef enum | |
552 | { | |
553 | GFC_INIT_INTEGER_OFF = 0, | |
554 | GFC_INIT_INTEGER_ON | |
555 | } | |
556 | init_local_integer; | |
557 | ||
6de9cd9a DN |
558 | /************************* Structures *****************************/ |
559 | ||
5cf54585 TS |
560 | /* Used for keeping things in balanced binary trees. */ |
561 | #define BBT_HEADER(self) int priority; struct self *left, *right | |
562 | ||
7306b628 | 563 | #define NAMED_INTCST(a,b,c,d) a, |
a8b3b0b6 CR |
564 | typedef enum |
565 | { | |
566 | ISOFORTRANENV_INVALID = -1, | |
567 | #include "iso-fortran-env.def" | |
568 | ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST | |
569 | } | |
570 | iso_fortran_env_symbol; | |
571 | #undef NAMED_INTCST | |
572 | ||
7306b628 | 573 | #define NAMED_INTCST(a,b,c,d) a, |
a8b3b0b6 CR |
574 | #define NAMED_REALCST(a,b,c) a, |
575 | #define NAMED_CMPXCST(a,b,c) a, | |
576 | #define NAMED_LOGCST(a,b,c) a, | |
577 | #define NAMED_CHARKNDCST(a,b,c) a, | |
578 | #define NAMED_CHARCST(a,b,c) a, | |
579 | #define DERIVED_TYPE(a,b,c) a, | |
580 | #define PROCEDURE(a,b) a, | |
581 | typedef enum | |
582 | { | |
583 | ISOCBINDING_INVALID = -1, | |
584 | #include "iso-c-binding.def" | |
585 | ISOCBINDING_LAST, | |
586 | ISOCBINDING_NUMBER = ISOCBINDING_LAST | |
587 | } | |
588 | iso_c_binding_symbol; | |
589 | #undef NAMED_INTCST | |
590 | #undef NAMED_REALCST | |
591 | #undef NAMED_CMPXCST | |
592 | #undef NAMED_LOGCST | |
593 | #undef NAMED_CHARKNDCST | |
594 | #undef NAMED_CHARCST | |
595 | #undef DERIVED_TYPE | |
596 | #undef PROCEDURE | |
597 | ||
598 | typedef enum | |
599 | { | |
600 | INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING | |
601 | } | |
602 | intmod_id; | |
603 | ||
604 | typedef struct | |
605 | { | |
606 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
607 | int value; /* Used for both integer and character values. */ | |
608 | bt f90_type; | |
609 | } | |
610 | CInteropKind_t; | |
611 | ||
612 | /* Array of structs, where the structs represent the C interop kinds. | |
613 | The list will be implemented based on a hash of the kind name since | |
614 | these could be accessed multiple times. | |
615 | Declared in trans-types.c as a global, since it's in that file | |
616 | that the list is initialized. */ | |
617 | extern CInteropKind_t c_interop_kinds_table[]; | |
618 | ||
6de9cd9a DN |
619 | /* Symbol attribute structure. */ |
620 | typedef struct | |
621 | { | |
622 | /* Variable attributes. */ | |
623 | unsigned allocatable:1, dimension:1, external:1, intrinsic:1, | |
59e36b72 | 624 | optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, |
e9bd9f7d | 625 | dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, |
8fb74da4 | 626 | implied_index:1, subref_array_pointer:1, proc_pointer:1; |
6de9cd9a | 627 | |
5349080d TB |
628 | ENUM_BITFIELD (save_state) save:2; |
629 | ||
6de9cd9a | 630 | unsigned data:1, /* Symbol is named in a DATA statement. */ |
8b11b59f | 631 | is_protected:1, /* Symbol has been marked as protected. */ |
993ef28f | 632 | use_assoc:1, /* Symbol has been use-associated. */ |
5a8af0b4 | 633 | use_only:1, /* Symbol has been use-associated, with ONLY. */ |
0e5a218b | 634 | use_rename:1, /* Symbol has been use-associated and renamed. */ |
5a8af0b4 | 635 | imported:1; /* Symbol has been associated by IMPORT. */ |
6de9cd9a | 636 | |
30aabb86 | 637 | unsigned in_namelist:1, in_common:1, in_equivalence:1; |
69773742 JW |
638 | unsigned function:1, subroutine:1, procedure:1; |
639 | unsigned generic:1, generic_copy:1; | |
d1303acd | 640 | unsigned implicit_type:1; /* Type defined via implicit rules. */ |
ebb479cd | 641 | unsigned untyped:1; /* No implicit type could be found. */ |
6de9cd9a | 642 | |
ebb479cd PT |
643 | unsigned is_bind_c:1; /* say if is bound to C. */ |
644 | unsigned extension:1; /* extends a derived type. */ | |
a8b3b0b6 CR |
645 | |
646 | /* These flags are both in the typespec and attribute. The attribute | |
647 | list is what gets read from/written to a module file. The typespec | |
648 | is created from a decl being processed. */ | |
649 | unsigned is_c_interop:1; /* It's c interoperable. */ | |
650 | unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ | |
651 | ||
6de9cd9a DN |
652 | /* Function/subroutine attributes */ |
653 | unsigned sequence:1, elemental:1, pure:1, recursive:1; | |
9e1d712c | 654 | unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; |
6de9cd9a | 655 | |
fe58e076 TK |
656 | /* This is set if the subroutine doesn't return. Currently, this |
657 | is only possible for intrinsic subroutines. */ | |
658 | unsigned noreturn:1; | |
659 | ||
3d79abbd PB |
660 | /* Set if this procedure is an alternate entry point. These procedures |
661 | don't have any code associated, and the backend will turn them into | |
662 | thunks to the master function. */ | |
663 | unsigned entry:1; | |
8b67b708 | 664 | |
3d79abbd PB |
665 | /* Set if this is the master function for a procedure with multiple |
666 | entry points. */ | |
667 | unsigned entry_master:1; | |
8b67b708 | 668 | |
d198b59a JJ |
669 | /* Set if this is the master function for a function with multiple |
670 | entry points where characteristics of the entry points differ. */ | |
671 | unsigned mixed_entry_master:1; | |
3d79abbd | 672 | |
6de9cd9a DN |
673 | /* Set if a function must always be referenced by an explicit interface. */ |
674 | unsigned always_explicit:1; | |
675 | ||
676 | /* Set if the symbol has been referenced in an expression. No further | |
677 | modification of type or type parameters is permitted. */ | |
678 | unsigned referenced:1; | |
679 | ||
993ef28f PT |
680 | /* Set if the symbol has ambiguous interfaces. */ |
681 | unsigned ambiguous_interfaces:1; | |
682 | ||
ecf24057 | 683 | /* Set if this is the symbol for the main program. */ |
8b67b708 FXC |
684 | unsigned is_main_program:1; |
685 | ||
6de9cd9a | 686 | /* Mutually exclusive multibit attributes. */ |
5f42ddb0 KG |
687 | ENUM_BITFIELD (gfc_access) access:2; |
688 | ENUM_BITFIELD (sym_intent) intent:2; | |
689 | ENUM_BITFIELD (sym_flavor) flavor:4; | |
690 | ENUM_BITFIELD (ifsrc) if_source:2; | |
6de9cd9a | 691 | |
5f42ddb0 | 692 | ENUM_BITFIELD (procedure_type) proc:3; |
949446f5 | 693 | |
83d890b9 | 694 | /* Special attributes for Cray pointers, pointees. */ |
949446f5 | 695 | unsigned cray_pointer:1, cray_pointee:1; |
6de9cd9a | 696 | |
5cca320d | 697 | /* The symbol is a derived type with allocatable components, pointer |
df2fba9e | 698 | components or private components, possibly nested. zero_comp |
9fa6b0af FXC |
699 | is true if the derived type has no component at all. */ |
700 | unsigned alloc_comp:1, pointer_comp:1, private_comp:1, zero_comp:1; | |
77bb16aa TB |
701 | |
702 | /* The namespace where the VOLATILE attribute has been set. */ | |
703 | struct gfc_namespace *volatile_ns; | |
6de9cd9a DN |
704 | } |
705 | symbol_attribute; | |
706 | ||
707 | ||
8fc541d3 FXC |
708 | /* We need to store source lines as sequences of multibyte source |
709 | characters. We define here a type wide enough to hold any multibyte | |
710 | source character, just like libcpp does. A 32-bit type is enough. */ | |
711 | ||
712 | #if HOST_BITS_PER_INT >= 32 | |
713 | typedef unsigned int gfc_char_t; | |
714 | #elif HOST_BITS_PER_LONG >= 32 | |
715 | typedef unsigned long gfc_char_t; | |
716 | #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) | |
717 | typedef unsigned long long gfc_char_t; | |
718 | #else | |
719 | # error "Cannot find an integer type with at least 32 bits" | |
720 | #endif | |
721 | ||
722 | ||
d4fa05b9 | 723 | /* The following three structures are used to identify a location in |
949446f5 BF |
724 | the sources. |
725 | ||
d4fa05b9 TS |
726 | gfc_file is used to maintain a tree of the source files and how |
727 | they include each other | |
6de9cd9a | 728 | |
d4fa05b9 TS |
729 | gfc_linebuf holds a single line of source code and information |
730 | which file it resides in | |
6de9cd9a | 731 | |
d4fa05b9 | 732 | locus point to the sourceline and the character in the source |
949446f5 | 733 | line. |
d4fa05b9 | 734 | */ |
6de9cd9a | 735 | |
949446f5 | 736 | typedef struct gfc_file |
6de9cd9a | 737 | { |
1b271c9b | 738 | struct gfc_file *next, *up; |
d4fa05b9 TS |
739 | int inclusion_line, line; |
740 | char *filename; | |
741 | } gfc_file; | |
742 | ||
949446f5 | 743 | typedef struct gfc_linebuf |
d4fa05b9 | 744 | { |
c8cc8542 | 745 | source_location location; |
d4fa05b9 TS |
746 | struct gfc_file *file; |
747 | struct gfc_linebuf *next; | |
748 | ||
ba1defa5 | 749 | int truncated; |
9e8a6720 | 750 | bool dbg_emitted; |
ba1defa5 | 751 | |
8fc541d3 | 752 | gfc_char_t line[1]; |
d4fa05b9 | 753 | } gfc_linebuf; |
4cdf7223 PB |
754 | |
755 | #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) | |
756 | ||
5ffeb913 | 757 | #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) |
5ffeb913 | 758 | |
949446f5 | 759 | typedef struct |
d4fa05b9 | 760 | { |
8fc541d3 | 761 | gfc_char_t *nextc; |
d4fa05b9 TS |
762 | gfc_linebuf *lb; |
763 | } locus; | |
6de9cd9a | 764 | |
0ce0154c KG |
765 | /* In order for the "gfc" format checking to work correctly, you must |
766 | have declared a typedef locus first. */ | |
767 | #if GCC_VERSION >= 4001 | |
768 | #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) | |
769 | #else | |
770 | #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) | |
771 | #endif | |
772 | ||
6de9cd9a | 773 | |
a3d3c0f5 DK |
774 | /* Suppress error messages or re-enable them. */ |
775 | ||
776 | void gfc_push_suppress_errors (void); | |
777 | void gfc_pop_suppress_errors (void); | |
6de9cd9a DN |
778 | |
779 | ||
780 | /* Character length structures hold the expression that gives the | |
781 | length of a character variable. We avoid putting these into | |
782 | gfc_typespec because doing so prevents us from doing structure | |
783 | copies and forces us to deallocate any typespecs we create, as well | |
784 | as structures that contain typespecs. They also can have multiple | |
785 | character typespecs pointing to them. | |
786 | ||
787 | These structures form a singly linked list within the current | |
788 | namespace and are deallocated with the namespace. It is possible to | |
789 | end up with gfc_charlen structures that have nothing pointing to them. */ | |
790 | ||
791 | typedef struct gfc_charlen | |
792 | { | |
793 | struct gfc_expr *length; | |
794 | struct gfc_charlen *next; | |
c03fc95d | 795 | bool length_from_typespec; /* Length from explicit array ctor typespec? */ |
6de9cd9a | 796 | tree backend_decl; |
cadb8f42 | 797 | tree passed_length; /* Length argument explicitelly passed. */ |
110eec24 TS |
798 | |
799 | int resolved; | |
6de9cd9a DN |
800 | } |
801 | gfc_charlen; | |
802 | ||
ece3f663 | 803 | #define gfc_get_charlen() XCNEW (gfc_charlen) |
6de9cd9a DN |
804 | |
805 | /* Type specification structure. FIXME: derived and cl could be union??? */ | |
806 | typedef struct | |
807 | { | |
808 | bt type; | |
809 | int kind; | |
810 | struct gfc_symbol *derived; | |
811 | gfc_charlen *cl; /* For character types only. */ | |
32d99e68 | 812 | struct gfc_symbol *interface; /* For PROCEDURE declarations. */ |
a8b3b0b6 CR |
813 | int is_c_interop; |
814 | int is_iso_c; | |
815 | bt f90_type; | |
6de9cd9a DN |
816 | } |
817 | gfc_typespec; | |
818 | ||
819 | /* Array specification. */ | |
820 | typedef struct | |
821 | { | |
822 | int rank; /* A rank of zero means that a variable is a scalar. */ | |
823 | array_type type; | |
824 | struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; | |
83d890b9 AL |
825 | |
826 | /* These two fields are used with the Cray Pointer extension. */ | |
827 | bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ | |
828 | bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to | |
829 | AS_EXPLICIT, but we want to remember that we | |
830 | did this. */ | |
831 | ||
6de9cd9a DN |
832 | } |
833 | gfc_array_spec; | |
834 | ||
ece3f663 | 835 | #define gfc_get_array_spec() XCNEW (gfc_array_spec) |
6de9cd9a DN |
836 | |
837 | ||
838 | /* Components of derived types. */ | |
839 | typedef struct gfc_component | |
840 | { | |
cb9e4f55 | 841 | const char *name; |
6de9cd9a DN |
842 | gfc_typespec ts; |
843 | ||
d4b7d0f0 | 844 | symbol_attribute attr; |
6de9cd9a DN |
845 | gfc_array_spec *as; |
846 | ||
847 | tree backend_decl; | |
848 | locus loc; | |
849 | struct gfc_expr *initializer; | |
850 | struct gfc_component *next; | |
851 | } | |
852 | gfc_component; | |
853 | ||
ece3f663 | 854 | #define gfc_get_component() XCNEW (gfc_component) |
6de9cd9a DN |
855 | |
856 | /* Formal argument lists are lists of symbols. */ | |
857 | typedef struct gfc_formal_arglist | |
858 | { | |
4f613946 | 859 | /* Symbol representing the argument at this position in the arglist. */ |
6de9cd9a | 860 | struct gfc_symbol *sym; |
4f613946 | 861 | /* Points to the next formal argument. */ |
6de9cd9a DN |
862 | struct gfc_formal_arglist *next; |
863 | } | |
864 | gfc_formal_arglist; | |
865 | ||
ece3f663 | 866 | #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) |
6de9cd9a DN |
867 | |
868 | ||
869 | /* The gfc_actual_arglist structure is for actual arguments. */ | |
870 | typedef struct gfc_actual_arglist | |
871 | { | |
cb9e4f55 | 872 | const char *name; |
6de9cd9a DN |
873 | /* Alternate return label when the expr member is null. */ |
874 | struct gfc_st_label *label; | |
875 | ||
1600fe22 TS |
876 | /* This is set to the type of an eventual omitted optional |
877 | argument. This is used to determine if a hidden string length | |
878 | argument has to be added to a function call. */ | |
879 | bt missing_arg_type; | |
880 | ||
6de9cd9a DN |
881 | struct gfc_expr *expr; |
882 | struct gfc_actual_arglist *next; | |
883 | } | |
884 | gfc_actual_arglist; | |
885 | ||
ece3f663 | 886 | #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) |
6de9cd9a DN |
887 | |
888 | ||
889 | /* Because a symbol can belong to multiple namelists, they must be | |
890 | linked externally to the symbol itself. */ | |
891 | typedef struct gfc_namelist | |
892 | { | |
893 | struct gfc_symbol *sym; | |
894 | struct gfc_namelist *next; | |
895 | } | |
896 | gfc_namelist; | |
897 | ||
ece3f663 | 898 | #define gfc_get_namelist() XCNEW (gfc_namelist) |
6de9cd9a | 899 | |
6c7a4dfd JJ |
900 | enum |
901 | { | |
902 | OMP_LIST_PRIVATE, | |
903 | OMP_LIST_FIRSTPRIVATE, | |
904 | OMP_LIST_LASTPRIVATE, | |
905 | OMP_LIST_COPYPRIVATE, | |
906 | OMP_LIST_SHARED, | |
907 | OMP_LIST_COPYIN, | |
908 | OMP_LIST_PLUS, | |
909 | OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS, | |
910 | OMP_LIST_MULT, | |
911 | OMP_LIST_SUB, | |
912 | OMP_LIST_AND, | |
913 | OMP_LIST_OR, | |
914 | OMP_LIST_EQV, | |
915 | OMP_LIST_NEQV, | |
916 | OMP_LIST_MAX, | |
917 | OMP_LIST_MIN, | |
918 | OMP_LIST_IAND, | |
919 | OMP_LIST_IOR, | |
920 | OMP_LIST_IEOR, | |
921 | OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR, | |
922 | OMP_LIST_NUM | |
923 | }; | |
924 | ||
925 | /* Because a symbol can belong to multiple namelists, they must be | |
926 | linked externally to the symbol itself. */ | |
927 | typedef struct gfc_omp_clauses | |
928 | { | |
929 | struct gfc_expr *if_expr; | |
930 | struct gfc_expr *num_threads; | |
931 | gfc_namelist *lists[OMP_LIST_NUM]; | |
932 | enum | |
933 | { | |
934 | OMP_SCHED_NONE, | |
935 | OMP_SCHED_STATIC, | |
936 | OMP_SCHED_DYNAMIC, | |
937 | OMP_SCHED_GUIDED, | |
a68ab351 JJ |
938 | OMP_SCHED_RUNTIME, |
939 | OMP_SCHED_AUTO | |
6c7a4dfd JJ |
940 | } sched_kind; |
941 | struct gfc_expr *chunk_size; | |
942 | enum | |
943 | { | |
944 | OMP_DEFAULT_UNKNOWN, | |
945 | OMP_DEFAULT_NONE, | |
946 | OMP_DEFAULT_PRIVATE, | |
a68ab351 JJ |
947 | OMP_DEFAULT_SHARED, |
948 | OMP_DEFAULT_FIRSTPRIVATE | |
6c7a4dfd | 949 | } default_sharing; |
a68ab351 JJ |
950 | int collapse; |
951 | bool nowait, ordered, untied; | |
6c7a4dfd JJ |
952 | } |
953 | gfc_omp_clauses; | |
954 | ||
ece3f663 | 955 | #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) |
6c7a4dfd | 956 | |
6de9cd9a | 957 | |
d80c695f TS |
958 | /* The gfc_st_label structure is a BBT attached to a namespace that |
959 | records the usage of statement labels within that space. */ | |
960 | ||
6de9cd9a DN |
961 | typedef struct gfc_st_label |
962 | { | |
5cf54585 TS |
963 | BBT_HEADER(gfc_st_label); |
964 | ||
6de9cd9a DN |
965 | int value; |
966 | ||
967 | gfc_sl_type defined, referenced; | |
968 | ||
969 | struct gfc_expr *format; | |
970 | ||
971 | tree backend_decl; | |
972 | ||
973 | locus where; | |
6de9cd9a DN |
974 | } |
975 | gfc_st_label; | |
976 | ||
977 | ||
978 | /* gfc_interface()-- Interfaces are lists of symbols strung together. */ | |
979 | typedef struct gfc_interface | |
980 | { | |
981 | struct gfc_symbol *sym; | |
982 | locus where; | |
983 | struct gfc_interface *next; | |
984 | } | |
985 | gfc_interface; | |
986 | ||
ece3f663 | 987 | #define gfc_get_interface() XCNEW (gfc_interface) |
6de9cd9a | 988 | |
6de9cd9a DN |
989 | /* User operator nodes. These are like stripped down symbols. */ |
990 | typedef struct | |
991 | { | |
cb9e4f55 | 992 | const char *name; |
6de9cd9a | 993 | |
8b11b59f | 994 | gfc_interface *op; |
6de9cd9a DN |
995 | struct gfc_namespace *ns; |
996 | gfc_access access; | |
997 | } | |
998 | gfc_user_op; | |
999 | ||
30b608eb | 1000 | |
e157f736 DK |
1001 | /* A list of specific bindings that are associated with a generic spec. */ |
1002 | typedef struct gfc_tbp_generic | |
1003 | { | |
1004 | /* The parser sets specific_st, upon resolution we look for the corresponding | |
1005 | gfc_typebound_proc and set specific for further use. */ | |
1006 | struct gfc_symtree* specific_st; | |
1007 | struct gfc_typebound_proc* specific; | |
1008 | ||
1009 | struct gfc_tbp_generic* next; | |
1010 | } | |
1011 | gfc_tbp_generic; | |
1012 | ||
1013 | #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic) | |
1014 | ||
1015 | ||
30b608eb | 1016 | /* Data needed for type-bound procedures. */ |
e157f736 | 1017 | typedef struct gfc_typebound_proc |
30b608eb | 1018 | { |
e157f736 DK |
1019 | locus where; /* Where the PROCEDURE/GENERIC definition was. */ |
1020 | ||
1021 | union | |
1022 | { | |
b0e5fa94 | 1023 | struct gfc_symtree* specific; /* The interface if DEFERRED. */ |
e157f736 DK |
1024 | gfc_tbp_generic* generic; |
1025 | } | |
1026 | u; | |
30b608eb DK |
1027 | |
1028 | gfc_access access; | |
1029 | char* pass_arg; /* Argument-name for PASS. NULL if not specified. */ | |
1030 | ||
e157f736 DK |
1031 | /* The overridden type-bound proc (or GENERIC with this name in the |
1032 | parent-type) or NULL if non. */ | |
1033 | struct gfc_typebound_proc* overridden; | |
1034 | ||
30b608eb DK |
1035 | /* Once resolved, we use the position of pass_arg in the formal arglist of |
1036 | the binding-target procedure to identify it. The first argument has | |
8e1f752a | 1037 | number 1 here, the second 2, and so on. */ |
30b608eb DK |
1038 | unsigned pass_arg_num; |
1039 | ||
1040 | unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */ | |
1041 | unsigned non_overridable:1; | |
b0e5fa94 | 1042 | unsigned deferred:1; |
e157f736 DK |
1043 | unsigned is_generic:1; |
1044 | unsigned function:1, subroutine:1; | |
b82657f4 | 1045 | unsigned error:1; /* Ignore it, when an error occurred during resolution. */ |
30b608eb DK |
1046 | } |
1047 | gfc_typebound_proc; | |
1048 | ||
8e1f752a DK |
1049 | #define gfc_get_typebound_proc() XCNEW (gfc_typebound_proc) |
1050 | ||
30b608eb | 1051 | |
6de9cd9a DN |
1052 | /* Symbol nodes. These are important things. They are what the |
1053 | standard refers to as "entities". The possibly multiple names that | |
1054 | refer to the same entity are accomplished by a binary tree of | |
1055 | symtree structures that is balanced by the red-black method-- more | |
1056 | than one symtree node can point to any given symbol. */ | |
1057 | ||
1058 | typedef struct gfc_symbol | |
1059 | { | |
cb9e4f55 TS |
1060 | const char *name; /* Primary name, before renaming */ |
1061 | const char *module; /* Module this symbol came from */ | |
6de9cd9a DN |
1062 | locus declared_at; |
1063 | ||
1064 | gfc_typespec ts; | |
1065 | symbol_attribute attr; | |
1066 | ||
32d99e68 | 1067 | /* The formal member points to the formal argument list if the |
6de9cd9a DN |
1068 | symbol is a function or subroutine name. If the symbol is a |
1069 | generic name, the generic member points to the list of | |
1070 | interfaces. */ | |
1071 | ||
1072 | gfc_interface *generic; | |
1073 | gfc_access component_access; | |
1074 | ||
1075 | gfc_formal_arglist *formal; | |
1076 | struct gfc_namespace *formal_ns; | |
34523524 DK |
1077 | struct gfc_namespace *f2k_derived; |
1078 | ||
6de9cd9a DN |
1079 | struct gfc_expr *value; /* Parameter/Initializer value */ |
1080 | gfc_array_spec *as; | |
1081 | struct gfc_symbol *result; /* function result symbol */ | |
1082 | gfc_component *components; /* Derived type components */ | |
1083 | ||
83d890b9 AL |
1084 | /* Defined only for Cray pointees; points to their pointer. */ |
1085 | struct gfc_symbol *cp_pointer; | |
1086 | ||
9056bd70 | 1087 | struct gfc_symbol *common_next; /* Links for COMMON syms */ |
30aabb86 PT |
1088 | |
1089 | /* This is in fact a gfc_common_head but it is only used for pointer | |
1090 | comparisons to check if symbols are in the same common block. */ | |
1091 | struct gfc_common_head* common_head; | |
1092 | ||
6de9cd9a DN |
1093 | /* Make sure setup code for dummy arguments is generated in the correct |
1094 | order. */ | |
1095 | int dummy_order; | |
1096 | ||
0e9a445b PT |
1097 | int entry_id; |
1098 | ||
6de9cd9a DN |
1099 | gfc_namelist *namelist, *namelist_tail; |
1100 | ||
1101 | /* Change management fields. Symbols that might be modified by the | |
1102 | current statement have the mark member nonzero and are kept in a | |
1103 | singly linked list through the tlink field. Of these symbols, | |
1104 | symbols with old_symbol equal to NULL are symbols created within | |
1105 | the current statement. Otherwise, old_symbol points to a copy of | |
1106 | the old symbol. */ | |
1107 | ||
1108 | struct gfc_symbol *old_symbol, *tlink; | |
8b11b59f | 1109 | unsigned mark:1, gfc_new:1; |
5291e69a PB |
1110 | /* Nonzero if all equivalences associated with this symbol have been |
1111 | processed. */ | |
1112 | unsigned equiv_built:1; | |
31708dc6 RS |
1113 | /* Set if this variable is used as an index name in a FORALL. */ |
1114 | unsigned forall_index:1; | |
6de9cd9a DN |
1115 | int refs; |
1116 | struct gfc_namespace *ns; /* namespace containing this symbol */ | |
1117 | ||
1118 | tree backend_decl; | |
a8b3b0b6 CR |
1119 | |
1120 | /* Identity of the intrinsic module the symbol comes from, or | |
1121 | INTMOD_NONE if it's not imported from a intrinsic module. */ | |
1122 | intmod_id from_intmod; | |
1123 | /* Identity of the symbol from intrinsic modules, from enums maintained | |
1124 | separately by each intrinsic module. Used together with from_intmod, | |
1125 | it uniquely identifies a symbol from an intrinsic module. */ | |
1126 | int intmod_sym_id; | |
1127 | ||
1128 | /* This may be repetitive, since the typespec now has a binding | |
1129 | label field. */ | |
1130 | char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1]; | |
1131 | /* Store a reference to the common_block, if this symbol is in one. */ | |
1132 | struct gfc_common_head *common_block; | |
6de9cd9a DN |
1133 | } |
1134 | gfc_symbol; | |
1135 | ||
1136 | ||
9056bd70 | 1137 | /* This structure is used to keep track of symbols in common blocks. */ |
30aabb86 | 1138 | typedef struct gfc_common_head |
9056bd70 TS |
1139 | { |
1140 | locus where; | |
6c7a4dfd | 1141 | char use_assoc, saved, threadprivate; |
53814b8f | 1142 | char name[GFC_MAX_SYMBOL_LEN + 1]; |
30aabb86 | 1143 | struct gfc_symbol *head; |
a8b3b0b6 CR |
1144 | char binding_label[GFC_MAX_BINDING_LABEL_LEN + 1]; |
1145 | int is_bind_c; | |
949446f5 | 1146 | } |
9056bd70 TS |
1147 | gfc_common_head; |
1148 | ||
ece3f663 | 1149 | #define gfc_get_common_head() XCNEW (gfc_common_head) |
9056bd70 TS |
1150 | |
1151 | ||
3d79abbd PB |
1152 | /* A list of all the alternate entry points for a procedure. */ |
1153 | ||
1154 | typedef struct gfc_entry_list | |
1155 | { | |
1156 | /* The symbol for this entry point. */ | |
1157 | gfc_symbol *sym; | |
1158 | /* The zero-based id of this entry point. */ | |
1159 | int id; | |
1160 | /* The LABEL_EXPR marking this entry point. */ | |
1161 | tree label; | |
1933ba0f | 1162 | /* The next item in the list. */ |
3d79abbd PB |
1163 | struct gfc_entry_list *next; |
1164 | } | |
1165 | gfc_entry_list; | |
1166 | ||
1167 | #define gfc_get_entry_list() \ | |
1168 | (gfc_entry_list *) gfc_getmem(sizeof(gfc_entry_list)) | |
9056bd70 | 1169 | |
a64f5186 JJ |
1170 | /* Lists of rename info for the USE statement. */ |
1171 | ||
1172 | typedef struct gfc_use_rename | |
1173 | { | |
1174 | char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1]; | |
1175 | struct gfc_use_rename *next; | |
1176 | int found; | |
1177 | gfc_intrinsic_op op; | |
1178 | locus where; | |
1179 | } | |
1180 | gfc_use_rename; | |
1181 | ||
1182 | #define gfc_get_use_rename() XCNEW (gfc_use_rename); | |
1183 | ||
1184 | /* A list of all USE statements in a namespace. */ | |
1185 | ||
1186 | typedef struct gfc_use_list | |
1187 | { | |
1188 | const char *module_name; | |
1189 | int only_flag; | |
1190 | struct gfc_use_rename *rename; | |
9268ba9a | 1191 | locus where; |
a64f5186 JJ |
1192 | /* Next USE statement. */ |
1193 | struct gfc_use_list *next; | |
1194 | } | |
1195 | gfc_use_list; | |
1196 | ||
1197 | #define gfc_get_use_list() \ | |
1198 | (gfc_use_list *) gfc_getmem(sizeof(gfc_use_list)) | |
1199 | ||
6de9cd9a DN |
1200 | /* Within a namespace, symbols are pointed to by symtree nodes that |
1201 | are linked together in a balanced binary tree. There can be | |
1202 | several symtrees pointing to the same symbol node via USE | |
1203 | statements. */ | |
1204 | ||
6de9cd9a DN |
1205 | typedef struct gfc_symtree |
1206 | { | |
1207 | BBT_HEADER (gfc_symtree); | |
cb9e4f55 | 1208 | const char *name; |
6de9cd9a DN |
1209 | int ambiguous; |
1210 | union | |
1211 | { | |
1212 | gfc_symbol *sym; /* Symbol associated with this node */ | |
1213 | gfc_user_op *uop; | |
9056bd70 | 1214 | gfc_common_head *common; |
6de9cd9a DN |
1215 | } |
1216 | n; | |
1217 | ||
30b608eb DK |
1218 | /* Data for type-bound procedures; NULL if no type-bound procedure. */ |
1219 | gfc_typebound_proc* typebound; | |
6de9cd9a DN |
1220 | } |
1221 | gfc_symtree; | |
1222 | ||
6b887797 PT |
1223 | /* A linked list of derived types in the namespace. */ |
1224 | typedef struct gfc_dt_list | |
1225 | { | |
1226 | struct gfc_symbol *derived; | |
1227 | struct gfc_dt_list *next; | |
1228 | } | |
1229 | gfc_dt_list; | |
1230 | ||
ece3f663 | 1231 | #define gfc_get_dt_list() XCNEW (gfc_dt_list) |
6b887797 | 1232 | |
7453378e PT |
1233 | /* A list of all derived types. */ |
1234 | extern gfc_dt_list *gfc_derived_types; | |
6b887797 | 1235 | |
3d79abbd PB |
1236 | /* A namespace describes the contents of procedure, module or |
1237 | interface block. */ | |
1238 | /* ??? Anything else use these? */ | |
1239 | ||
6de9cd9a DN |
1240 | typedef struct gfc_namespace |
1241 | { | |
4f613946 TS |
1242 | /* Tree containing all the symbols in this namespace. */ |
1243 | gfc_symtree *sym_root; | |
1244 | /* Tree containing all the user-defined operators in the namespace. */ | |
1245 | gfc_symtree *uop_root; | |
1246 | /* Tree containing all the common blocks. */ | |
949446f5 | 1247 | gfc_symtree *common_root; |
34523524 DK |
1248 | /* Linked list of finalizer procedures. */ |
1249 | struct gfc_finalizer *finalizers; | |
6de9cd9a | 1250 | |
4f613946 | 1251 | /* If set_flag[letter] is set, an implicit type has been set for letter. */ |
6de9cd9a | 1252 | int set_flag[GFC_LETTERS]; |
4f613946 TS |
1253 | /* Keeps track of the implicit types associated with the letters. */ |
1254 | gfc_typespec default_type[GFC_LETTERS]; | |
52f49934 DK |
1255 | /* Store the positions of IMPLICIT statements. */ |
1256 | locus implicit_loc[GFC_LETTERS]; | |
6de9cd9a | 1257 | |
4f613946 | 1258 | /* If this is a namespace of a procedure, this points to the procedure. */ |
6de9cd9a | 1259 | struct gfc_symbol *proc_name; |
4f613946 TS |
1260 | /* If this is the namespace of a unit which contains executable |
1261 | code, this points to it. */ | |
6de9cd9a | 1262 | struct gfc_code *code; |
4f613946 TS |
1263 | |
1264 | /* Points to the equivalences set up in this namespace. */ | |
6de9cd9a | 1265 | struct gfc_equiv *equiv; |
61321991 PT |
1266 | |
1267 | /* Points to the equivalence groups produced by trans_common. */ | |
1268 | struct gfc_equiv_list *equiv_lists; | |
1269 | ||
a1ee985f | 1270 | gfc_interface *op[GFC_INTRINSIC_OPS]; |
4f613946 TS |
1271 | |
1272 | /* Points to the parent namespace, i.e. the namespace of a module or | |
1273 | procedure in which the procedure belonging to this namespace is | |
1274 | contained. The parent namespace points to this namespace either | |
1275 | directly via CONTAINED, or indirectly via the chain built by | |
1276 | SIBLING. */ | |
1277 | struct gfc_namespace *parent; | |
1278 | /* CONTAINED points to the first contained namespace. Sibling | |
1279 | namespaces are chained via SIBLING. */ | |
1280 | struct gfc_namespace *contained, *sibling; | |
1281 | ||
1282 | gfc_common_head blank_common; | |
6de9cd9a DN |
1283 | gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; |
1284 | ||
1285 | gfc_st_label *st_labels; | |
294fbfc8 TS |
1286 | /* This list holds information about all the data initializers in |
1287 | this namespace. */ | |
6de9cd9a DN |
1288 | struct gfc_data *data; |
1289 | ||
27f31e39 | 1290 | gfc_charlen *cl_list, *old_cl_list; |
6de9cd9a | 1291 | |
4c1f4f52 | 1292 | int save_all, seen_save, seen_implicit_none; |
3d79abbd PB |
1293 | |
1294 | /* Normally we don't need to refcount namespaces. However when we read | |
1295 | a module containing a function with multiple entry points, this | |
1296 | will appear as several functions with the same formal namespace. */ | |
1297 | int refs; | |
1298 | ||
1299 | /* A list of all alternate entry points to this procedure (or NULL). */ | |
1300 | gfc_entry_list *entries; | |
0de4325e | 1301 | |
a64f5186 JJ |
1302 | /* A list of USE statements in this namespace. */ |
1303 | gfc_use_list *use_stmts; | |
1304 | ||
0de4325e TS |
1305 | /* Set to 1 if namespace is a BLOCK DATA program unit. */ |
1306 | int is_block_data; | |
8998be20 TB |
1307 | |
1308 | /* Set to 1 if namespace is an interface body with "IMPORT" used. */ | |
1309 | int has_import_set; | |
71a7778c PT |
1310 | |
1311 | /* Set to 1 if resolved has been called for this namespace. */ | |
1312 | int resolved; | |
6de9cd9a DN |
1313 | } |
1314 | gfc_namespace; | |
1315 | ||
1316 | extern gfc_namespace *gfc_current_ns; | |
71a7778c | 1317 | extern gfc_namespace *gfc_global_ns_list; |
6de9cd9a | 1318 | |
c9543002 TS |
1319 | /* Global symbols are symbols of global scope. Currently we only use |
1320 | this to detect collisions already when parsing. | |
1321 | TODO: Extend to verify procedure calls. */ | |
1322 | ||
1323 | typedef struct gfc_gsymbol | |
1324 | { | |
1325 | BBT_HEADER(gfc_gsymbol); | |
1326 | ||
973a384d | 1327 | const char *name; |
a8b3b0b6 CR |
1328 | const char *sym_name; |
1329 | const char *mod_name; | |
1330 | const char *binding_label; | |
c9543002 TS |
1331 | enum { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, |
1332 | GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA } type; | |
1333 | ||
1334 | int defined, used; | |
1335 | locus where; | |
71a7778c | 1336 | gfc_namespace *ns; |
c9543002 TS |
1337 | } |
1338 | gfc_gsymbol; | |
1339 | ||
1340 | extern gfc_gsymbol *gfc_gsym_root; | |
6de9cd9a DN |
1341 | |
1342 | /* Information on interfaces being built. */ | |
1343 | typedef struct | |
1344 | { | |
1345 | interface_type type; | |
1346 | gfc_symbol *sym; | |
1347 | gfc_namespace *ns; | |
1348 | gfc_user_op *uop; | |
1349 | gfc_intrinsic_op op; | |
1350 | } | |
1351 | gfc_interface_info; | |
1352 | ||
1353 | extern gfc_interface_info current_interface; | |
1354 | ||
1355 | ||
1356 | /* Array reference. */ | |
1357 | typedef struct gfc_array_ref | |
1358 | { | |
1359 | ar_type type; | |
1360 | int dimen; /* # of components in the reference */ | |
1361 | locus where; | |
1362 | gfc_array_spec *as; | |
1363 | ||
1364 | locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ | |
1365 | struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], | |
1366 | *stride[GFC_MAX_DIMENSIONS]; | |
1367 | ||
1368 | enum | |
1369 | { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_UNKNOWN } | |
1370 | dimen_type[GFC_MAX_DIMENSIONS]; | |
1371 | ||
1372 | struct gfc_expr *offset; | |
1373 | } | |
1374 | gfc_array_ref; | |
1375 | ||
ece3f663 | 1376 | #define gfc_get_array_ref() XCNEW (gfc_array_ref) |
6de9cd9a DN |
1377 | |
1378 | ||
1379 | /* Component reference nodes. A variable is stored as an expression | |
1380 | node that points to the base symbol. After that, a singly linked | |
1381 | list of component reference nodes gives the variable's complete | |
1382 | resolution. The array_ref component may be present and comes | |
1383 | before the component component. */ | |
1384 | ||
1385 | typedef enum | |
1386 | { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING } | |
1387 | ref_type; | |
1388 | ||
1389 | typedef struct gfc_ref | |
1390 | { | |
1391 | ref_type type; | |
1392 | ||
1393 | union | |
1394 | { | |
1395 | struct gfc_array_ref ar; | |
1396 | ||
1397 | struct | |
1398 | { | |
1399 | gfc_component *component; | |
1400 | gfc_symbol *sym; | |
1401 | } | |
1402 | c; | |
1403 | ||
1404 | struct | |
1405 | { | |
1406 | struct gfc_expr *start, *end; /* Substring */ | |
1407 | gfc_charlen *length; | |
1408 | } | |
1409 | ss; | |
1410 | ||
1411 | } | |
1412 | u; | |
1413 | ||
1414 | struct gfc_ref *next; | |
1415 | } | |
1416 | gfc_ref; | |
1417 | ||
ece3f663 | 1418 | #define gfc_get_ref() XCNEW (gfc_ref) |
6de9cd9a DN |
1419 | |
1420 | ||
1421 | /* Structures representing intrinsic symbols and their arguments lists. */ | |
1422 | typedef struct gfc_intrinsic_arg | |
1423 | { | |
1424 | char name[GFC_MAX_SYMBOL_LEN + 1]; | |
1425 | ||
1426 | gfc_typespec ts; | |
1427 | int optional; | |
1428 | gfc_actual_arglist *actual; | |
1429 | ||
1430 | struct gfc_intrinsic_arg *next; | |
1431 | ||
1432 | } | |
1433 | gfc_intrinsic_arg; | |
1434 | ||
1435 | ||
4f613946 TS |
1436 | /* Specifies the various kinds of check functions used to verify the |
1437 | argument lists of intrinsic functions. fX with X an integer refer | |
1438 | to check functions of intrinsics with X arguments. f1m is used for | |
1439 | the MAX and MIN intrinsics which can have an arbitrary number of | |
1440 | arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as | |
1441 | these have special semantics. */ | |
1442 | ||
6de9cd9a DN |
1443 | typedef union |
1444 | { | |
17b1d2a0 KG |
1445 | gfc_try (*f0)(void); |
1446 | gfc_try (*f1)(struct gfc_expr *); | |
1447 | gfc_try (*f1m)(gfc_actual_arglist *); | |
1448 | gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *); | |
1449 | gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1450 | gfc_try (*f3ml)(gfc_actual_arglist *); | |
1451 | gfc_try (*f3red)(gfc_actual_arglist *); | |
1452 | gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
6de9cd9a | 1453 | struct gfc_expr *); |
17b1d2a0 | 1454 | gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, |
6de9cd9a DN |
1455 | struct gfc_expr *, struct gfc_expr *); |
1456 | } | |
1457 | gfc_check_f; | |
1458 | ||
4f613946 TS |
1459 | /* Like gfc_check_f, these specify the type of the simplification |
1460 | function associated with an intrinsic. The fX are just like in | |
1461 | gfc_check_f. cc is used for type conversion functions. */ | |
6de9cd9a DN |
1462 | |
1463 | typedef union | |
1464 | { | |
4c0c6b9f | 1465 | struct gfc_expr *(*f0)(void); |
6de9cd9a DN |
1466 | struct gfc_expr *(*f1)(struct gfc_expr *); |
1467 | struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); | |
1468 | struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, | |
1469 | struct gfc_expr *); | |
1470 | struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, | |
1471 | struct gfc_expr *, struct gfc_expr *); | |
1472 | struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, | |
1473 | struct gfc_expr *, struct gfc_expr *, | |
1474 | struct gfc_expr *); | |
1475 | struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); | |
1476 | } | |
1477 | gfc_simplify_f; | |
1478 | ||
4f613946 | 1479 | /* Again like gfc_check_f, these specify the type of the resolution |
13795658 | 1480 | function associated with an intrinsic. The fX are just like in |
66e4ab31 | 1481 | gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ |
6de9cd9a DN |
1482 | |
1483 | typedef union | |
1484 | { | |
1485 | void (*f0)(struct gfc_expr *); | |
1486 | void (*f1)(struct gfc_expr *, struct gfc_expr *); | |
1487 | void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); | |
1488 | void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1489 | void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1490 | struct gfc_expr *); | |
1491 | void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1492 | struct gfc_expr *, struct gfc_expr *); | |
1493 | void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, | |
1494 | struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); | |
1495 | void (*s1)(struct gfc_code *); | |
1496 | } | |
1497 | gfc_resolve_f; | |
1498 | ||
1499 | ||
1500 | typedef struct gfc_intrinsic_sym | |
1501 | { | |
cb9e4f55 | 1502 | const char *name, *lib_name; |
6de9cd9a DN |
1503 | gfc_intrinsic_arg *formal; |
1504 | gfc_typespec ts; | |
e1633d82 DF |
1505 | unsigned elemental:1, inquiry:1, transformational:1, pure:1, |
1506 | generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1; | |
1507 | ||
1508 | int standard; | |
6de9cd9a DN |
1509 | |
1510 | gfc_simplify_f simplify; | |
1511 | gfc_check_f check; | |
1512 | gfc_resolve_f resolve; | |
1513 | struct gfc_intrinsic_sym *specific_head, *next; | |
cd5ecab6 | 1514 | gfc_isym_id id; |
6de9cd9a DN |
1515 | |
1516 | } | |
1517 | gfc_intrinsic_sym; | |
1518 | ||
1519 | ||
1520 | /* Expression nodes. The expression node types deserve explanations, | |
1521 | since the last couple can be easily misconstrued: | |
1522 | ||
1523 | EXPR_OP Operator node pointing to one or two other nodes | |
1524 | EXPR_FUNCTION Function call, symbol points to function's name | |
1525 | EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex | |
1526 | EXPR_VARIABLE An Lvalue with a root symbol and possible reference list | |
8e1f752a | 1527 | which expresses structure, array and substring refs. |
6de9cd9a DN |
1528 | EXPR_NULL The NULL pointer value (which also has a basic type). |
1529 | EXPR_SUBSTRING A substring of a constant string | |
1530 | EXPR_STRUCTURE A structure constructor | |
8e1f752a DK |
1531 | EXPR_ARRAY An array constructor. |
1532 | EXPR_COMPCALL Function (or subroutine) call of a procedure pointer | |
1533 | component or type-bound procedure. */ | |
6de9cd9a DN |
1534 | |
1535 | #include <gmp.h> | |
f8e566e5 SK |
1536 | #include <mpfr.h> |
1537 | #define GFC_RND_MODE GMP_RNDN | |
6de9cd9a DN |
1538 | |
1539 | typedef struct gfc_expr | |
1540 | { | |
1541 | expr_t expr_type; | |
1542 | ||
1543 | gfc_typespec ts; /* These two refer to the overall expression */ | |
1544 | ||
1545 | int rank; | |
1546 | mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ | |
1547 | ||
8e1f752a DK |
1548 | /* Nonnull for functions and structure constructors, the base object for |
1549 | component-calls. */ | |
6de9cd9a DN |
1550 | gfc_symtree *symtree; |
1551 | ||
6de9cd9a DN |
1552 | gfc_ref *ref; |
1553 | ||
6de9cd9a DN |
1554 | locus where; |
1555 | ||
1524f80b | 1556 | /* True if the expression is a call to a function that returns an array, |
346a77d1 TB |
1557 | and if we have decided not to allocate temporary data for that array. |
1558 | is_boz is true if the integer is regarded as BOZ bitpatten and is_snan | |
1559 | denotes a signalling not-a-number. */ | |
1560 | unsigned int inline_noncopying_intrinsic : 1, is_boz : 1, is_snan : 1; | |
20585ad6 | 1561 | |
ebb479cd PT |
1562 | /* Sometimes, when an error has been emitted, it is necessary to prevent |
1563 | it from recurring. */ | |
1564 | unsigned int error : 1; | |
a1ab6660 PT |
1565 | |
1566 | /* Mark and expression where a user operator has been substituted by | |
1567 | a function call in interface.c(gfc_extend_expr). */ | |
1568 | unsigned int user_operator : 1; | |
ebb479cd | 1569 | |
20585ad6 | 1570 | /* Used to quickly find a given constructor by its offset. */ |
5868cbf9 | 1571 | splay_tree con_by_offset; |
d3642f89 | 1572 | |
20585ad6 BM |
1573 | /* If an expression comes from a Hollerith constant or compile-time |
1574 | evaluation of a transfer statement, it may have a prescribed target- | |
1575 | memory representation, and these cannot always be backformed from | |
1576 | the value. */ | |
1577 | struct | |
1578 | { | |
1579 | int length; | |
1580 | char *string; | |
1581 | } | |
1582 | representation; | |
1583 | ||
6de9cd9a DN |
1584 | union |
1585 | { | |
6de9cd9a | 1586 | int logical; |
20585ad6 | 1587 | |
ad7ee6f8 JD |
1588 | io_kind iokind; |
1589 | ||
f8e566e5 SK |
1590 | mpz_t integer; |
1591 | ||
1592 | mpfr_t real; | |
6de9cd9a DN |
1593 | |
1594 | struct | |
1595 | { | |
f8e566e5 | 1596 | mpfr_t r, i; |
6de9cd9a DN |
1597 | } |
1598 | complex; | |
1599 | ||
58b03ab2 TS |
1600 | struct |
1601 | { | |
a1ee985f | 1602 | gfc_intrinsic_op op; |
58b03ab2 TS |
1603 | gfc_user_op *uop; |
1604 | struct gfc_expr *op1, *op2; | |
1605 | } | |
1606 | op; | |
1607 | ||
6de9cd9a DN |
1608 | struct |
1609 | { | |
1610 | gfc_actual_arglist *actual; | |
6b25a558 | 1611 | const char *name; /* Points to the ultimate name of the function */ |
6de9cd9a DN |
1612 | gfc_intrinsic_sym *isym; |
1613 | gfc_symbol *esym; | |
1614 | } | |
1615 | function; | |
1616 | ||
8e1f752a DK |
1617 | struct |
1618 | { | |
1619 | gfc_actual_arglist* actual; | |
e157f736 | 1620 | gfc_typebound_proc* tbp; |
e157f736 | 1621 | const char* name; |
8e1f752a DK |
1622 | } |
1623 | compcall; | |
1624 | ||
6de9cd9a DN |
1625 | struct |
1626 | { | |
1627 | int length; | |
00660189 | 1628 | gfc_char_t *string; |
6de9cd9a DN |
1629 | } |
1630 | character; | |
1631 | ||
1632 | struct gfc_constructor *constructor; | |
1633 | } | |
1634 | value; | |
1635 | ||
1636 | } | |
1637 | gfc_expr; | |
1638 | ||
1639 | ||
94538bd1 | 1640 | #define gfc_get_shape(rank) ((mpz_t *) gfc_getmem((rank)*sizeof(mpz_t))) |
6de9cd9a DN |
1641 | |
1642 | /* Structures for information associated with different kinds of | |
1643 | numbers. The first set of integer parameters define all there is | |
1644 | to know about a particular kind. The rest of the elements are | |
1645 | computed from the first elements. */ | |
1646 | ||
1647 | typedef struct | |
1648 | { | |
e2cad04b | 1649 | /* Values really representable by the target. */ |
7bee49dc | 1650 | mpz_t huge, pedantic_min_int, min_int; |
e2cad04b RH |
1651 | |
1652 | int kind, radix, digits, bit_size, range; | |
1653 | ||
1654 | /* True if the C type of the given name maps to this precision. | |
1655 | Note that more than one bit can be set. */ | |
1656 | unsigned int c_char : 1; | |
1657 | unsigned int c_short : 1; | |
1658 | unsigned int c_int : 1; | |
1659 | unsigned int c_long : 1; | |
1660 | unsigned int c_long_long : 1; | |
6de9cd9a DN |
1661 | } |
1662 | gfc_integer_info; | |
1663 | ||
1664 | extern gfc_integer_info gfc_integer_kinds[]; | |
1665 | ||
1666 | ||
1667 | typedef struct | |
1668 | { | |
1669 | int kind, bit_size; | |
1670 | ||
e2cad04b RH |
1671 | /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ |
1672 | unsigned int c_bool : 1; | |
6de9cd9a DN |
1673 | } |
1674 | gfc_logical_info; | |
1675 | ||
1676 | extern gfc_logical_info gfc_logical_kinds[]; | |
1677 | ||
1678 | ||
1679 | typedef struct | |
1680 | { | |
2d0aa65f | 1681 | mpfr_t epsilon, huge, tiny, subnormal; |
6de9cd9a | 1682 | int kind, radix, digits, min_exponent, max_exponent; |
6de9cd9a | 1683 | int range, precision; |
e2cad04b RH |
1684 | |
1685 | /* The precision of the type as reported by GET_MODE_PRECISION. */ | |
1686 | int mode_precision; | |
1687 | ||
1688 | /* True if the C type of the given name maps to this precision. | |
1689 | Note that more than one bit can be set. */ | |
1690 | unsigned int c_float : 1; | |
1691 | unsigned int c_double : 1; | |
1692 | unsigned int c_long_double : 1; | |
6de9cd9a DN |
1693 | } |
1694 | gfc_real_info; | |
1695 | ||
1696 | extern gfc_real_info gfc_real_kinds[]; | |
1697 | ||
374929b2 FXC |
1698 | typedef struct |
1699 | { | |
1700 | int kind, bit_size; | |
1701 | const char *name; | |
1702 | } | |
1703 | gfc_character_info; | |
1704 | ||
1705 | extern gfc_character_info gfc_character_kinds[]; | |
1706 | ||
6de9cd9a DN |
1707 | |
1708 | /* Equivalence structures. Equivalent lvalues are linked along the | |
1709 | *eq pointer, equivalence sets are strung along the *next node. */ | |
1710 | typedef struct gfc_equiv | |
1711 | { | |
1712 | struct gfc_equiv *next, *eq; | |
1713 | gfc_expr *expr; | |
30aabb86 | 1714 | const char *module; |
6de9cd9a DN |
1715 | int used; |
1716 | } | |
1717 | gfc_equiv; | |
1718 | ||
ece3f663 | 1719 | #define gfc_get_equiv() XCNEW (gfc_equiv) |
6de9cd9a | 1720 | |
61321991 PT |
1721 | /* Holds a single equivalence member after processing. */ |
1722 | typedef struct gfc_equiv_info | |
1723 | { | |
1724 | gfc_symbol *sym; | |
1725 | HOST_WIDE_INT offset; | |
37311e71 | 1726 | HOST_WIDE_INT length; |
61321991 PT |
1727 | struct gfc_equiv_info *next; |
1728 | } gfc_equiv_info; | |
1729 | ||
1730 | /* Holds equivalence groups, after they have been processed. */ | |
1731 | typedef struct gfc_equiv_list | |
1732 | { | |
1733 | gfc_equiv_info *equiv; | |
1734 | struct gfc_equiv_list *next; | |
1735 | } gfc_equiv_list; | |
6de9cd9a DN |
1736 | |
1737 | /* gfc_case stores the selector list of a case statement. The *low | |
1738 | and *high pointers can point to the same expression in the case of | |
1739 | a single value. If *high is NULL, the selection is from *low | |
1740 | upwards, if *low is NULL the selection is *high downwards. | |
1741 | ||
410d1a45 SK |
1742 | This structure has separate fields to allow single and double linked |
1743 | lists of CASEs at the same time. The singe linked list along the NEXT | |
6de9cd9a DN |
1744 | field is a list of cases for a single CASE label. The double linked |
1745 | list along the LEFT/RIGHT fields is used to detect overlap and to | |
1746 | build a table of the cases for SELECT constructs with a CHARACTER | |
1747 | case expression. */ | |
1748 | ||
1749 | typedef struct gfc_case | |
1750 | { | |
1751 | /* Where we saw this case. */ | |
1752 | locus where; | |
1753 | int n; | |
1754 | ||
1755 | /* Case range values. If (low == high), it's a single value. If one of | |
1756 | the labels is NULL, it's an unbounded case. If both are NULL, this | |
1757 | represents the default case. */ | |
1758 | gfc_expr *low, *high; | |
1759 | ||
1760 | /* Next case label in the list of cases for a single CASE label. */ | |
1761 | struct gfc_case *next; | |
1762 | ||
1763 | /* Used for detecting overlap, and for code generation. */ | |
1764 | struct gfc_case *left, *right; | |
1765 | ||
1766 | /* True if this case label can never be matched. */ | |
1767 | int unreachable; | |
1768 | } | |
1769 | gfc_case; | |
1770 | ||
ece3f663 | 1771 | #define gfc_get_case() XCNEW (gfc_case) |
6de9cd9a DN |
1772 | |
1773 | ||
1774 | typedef struct | |
1775 | { | |
1776 | gfc_expr *var, *start, *end, *step; | |
1777 | } | |
1778 | gfc_iterator; | |
1779 | ||
ece3f663 | 1780 | #define gfc_get_iterator() XCNEW (gfc_iterator) |
6de9cd9a DN |
1781 | |
1782 | ||
f7b529fa | 1783 | /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ |
6de9cd9a DN |
1784 | |
1785 | typedef struct gfc_alloc | |
1786 | { | |
1787 | gfc_expr *expr; | |
1788 | struct gfc_alloc *next; | |
1789 | } | |
1790 | gfc_alloc; | |
1791 | ||
ece3f663 | 1792 | #define gfc_get_alloc() XCNEW (gfc_alloc) |
6de9cd9a DN |
1793 | |
1794 | ||
1795 | typedef struct | |
1796 | { | |
1797 | gfc_expr *unit, *file, *status, *access, *form, *recl, | |
6f0f0b2e JD |
1798 | *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, |
1799 | *decimal, *encoding, *round, *sign, *asynchronous, *id; | |
6de9cd9a DN |
1800 | gfc_st_label *err; |
1801 | } | |
1802 | gfc_open; | |
1803 | ||
1804 | ||
1805 | typedef struct | |
1806 | { | |
7aba8abe | 1807 | gfc_expr *unit, *status, *iostat, *iomsg; |
6de9cd9a DN |
1808 | gfc_st_label *err; |
1809 | } | |
1810 | gfc_close; | |
1811 | ||
1812 | ||
1813 | typedef struct | |
1814 | { | |
7aba8abe | 1815 | gfc_expr *unit, *iostat, *iomsg; |
6de9cd9a DN |
1816 | gfc_st_label *err; |
1817 | } | |
1818 | gfc_filepos; | |
1819 | ||
1820 | ||
1821 | typedef struct | |
1822 | { | |
1823 | gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, | |
1824 | *name, *access, *sequential, *direct, *form, *formatted, | |
1825 | *unformatted, *recl, *nextrec, *blank, *position, *action, *read, | |
6f0f0b2e JD |
1826 | *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, |
1827 | *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id; | |
6de9cd9a DN |
1828 | |
1829 | gfc_st_label *err; | |
1830 | ||
1831 | } | |
1832 | gfc_inquire; | |
1833 | ||
1834 | ||
1835 | typedef struct | |
1836 | { | |
6f0f0b2e JD |
1837 | gfc_expr *unit, *iostat, *iomsg, *id; |
1838 | gfc_st_label *err, *end, *eor; | |
1839 | } | |
1840 | gfc_wait; | |
1841 | ||
1842 | ||
1843 | typedef struct | |
1844 | { | |
1845 | gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, | |
1846 | *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, | |
ad7ee6f8 | 1847 | *sign, *extra_comma; |
6de9cd9a DN |
1848 | |
1849 | gfc_symbol *namelist; | |
1850 | /* A format_label of `format_asterisk' indicates the "*" format */ | |
1851 | gfc_st_label *format_label; | |
1852 | gfc_st_label *err, *end, *eor; | |
1853 | ||
e0e85e06 | 1854 | locus eor_where, end_where, err_where; |
6de9cd9a DN |
1855 | } |
1856 | gfc_dt; | |
1857 | ||
1858 | ||
1859 | typedef struct gfc_forall_iterator | |
1860 | { | |
1861 | gfc_expr *var, *start, *end, *stride; | |
1862 | struct gfc_forall_iterator *next; | |
1863 | } | |
1864 | gfc_forall_iterator; | |
1865 | ||
1866 | ||
1867 | /* Executable statements that fill gfc_code structures. */ | |
1868 | typedef enum | |
1869 | { | |
d80c695f TS |
1870 | EXEC_NOP = 1, EXEC_END_BLOCK, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, |
1871 | EXEC_POINTER_ASSIGN, | |
8e1f752a DK |
1872 | EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, |
1873 | EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, | |
6de9cd9a DN |
1874 | EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_WHILE, EXEC_SELECT, |
1875 | EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, | |
1876 | EXEC_ALLOCATE, EXEC_DEALLOCATE, | |
6f0f0b2e | 1877 | EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, |
6de9cd9a | 1878 | EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, |
6c7a4dfd JJ |
1879 | EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, |
1880 | EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, | |
1881 | EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, | |
1882 | EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, | |
1883 | EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, | |
1884 | EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, | |
a68ab351 | 1885 | EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT |
6de9cd9a DN |
1886 | } |
1887 | gfc_exec_op; | |
1888 | ||
1889 | typedef struct gfc_code | |
1890 | { | |
1891 | gfc_exec_op op; | |
1892 | ||
1893 | struct gfc_code *block, *next; | |
1894 | locus loc; | |
1895 | ||
1896 | gfc_st_label *here, *label, *label2, *label3; | |
1897 | gfc_symtree *symtree; | |
1898 | gfc_expr *expr, *expr2; | |
1899 | /* A name isn't sufficient to identify a subroutine, we need the actual | |
1900 | symbol for the interface definition. | |
1901 | const char *sub_name; */ | |
1902 | gfc_symbol *resolved_sym; | |
12f681a0 | 1903 | gfc_intrinsic_sym *resolved_isym; |
6de9cd9a DN |
1904 | |
1905 | union | |
1906 | { | |
1907 | gfc_actual_arglist *actual; | |
1908 | gfc_case *case_list; | |
1909 | gfc_iterator *iterator; | |
1910 | gfc_alloc *alloc_list; | |
1911 | gfc_open *open; | |
1912 | gfc_close *close; | |
1913 | gfc_filepos *filepos; | |
1914 | gfc_inquire *inquire; | |
6f0f0b2e | 1915 | gfc_wait *wait; |
6de9cd9a DN |
1916 | gfc_dt *dt; |
1917 | gfc_forall_iterator *forall_iterator; | |
1918 | struct gfc_code *whichloop; | |
1919 | int stop_code; | |
3d79abbd | 1920 | gfc_entry_list *entry; |
6c7a4dfd JJ |
1921 | gfc_omp_clauses *omp_clauses; |
1922 | const char *omp_name; | |
1923 | gfc_namelist *omp_namelist; | |
1924 | bool omp_bool; | |
6de9cd9a DN |
1925 | } |
1926 | ext; /* Points to additional structures required by statement */ | |
1927 | ||
1928 | /* Backend_decl is used for cycle and break labels in do loops, and | |
949446f5 | 1929 | probably for other constructs as well, once we translate them. */ |
6de9cd9a DN |
1930 | tree backend_decl; |
1931 | } | |
1932 | gfc_code; | |
1933 | ||
1934 | ||
1935 | /* Storage for DATA statements. */ | |
1936 | typedef struct gfc_data_variable | |
1937 | { | |
1938 | gfc_expr *expr; | |
1939 | gfc_iterator iter; | |
1940 | struct gfc_data_variable *list, *next; | |
1941 | } | |
1942 | gfc_data_variable; | |
1943 | ||
1944 | ||
1945 | typedef struct gfc_data_value | |
1946 | { | |
f2112868 | 1947 | mpz_t repeat; |
6de9cd9a | 1948 | gfc_expr *expr; |
6de9cd9a DN |
1949 | struct gfc_data_value *next; |
1950 | } | |
1951 | gfc_data_value; | |
1952 | ||
1953 | ||
1954 | typedef struct gfc_data | |
1955 | { | |
1956 | gfc_data_variable *var; | |
1957 | gfc_data_value *value; | |
1958 | locus where; | |
1959 | ||
1960 | struct gfc_data *next; | |
1961 | } | |
1962 | gfc_data; | |
1963 | ||
6de9cd9a DN |
1964 | |
1965 | /* Structure for holding compile options */ | |
1966 | typedef struct | |
1967 | { | |
6de9cd9a DN |
1968 | char *module_dir; |
1969 | gfc_source_form source_form; | |
1dde8683 BM |
1970 | /* Maximum line lengths in fixed- and free-form source, respectively. |
1971 | When fixed_line_length or free_line_length are 0, the whole line is used, | |
1972 | regardless of length. | |
16ab8e74 BF |
1973 | |
1974 | If the user requests a fixed_line_length <7 then gfc_init_options() | |
1975 | emits a fatal error. */ | |
1dde8683 BM |
1976 | int fixed_line_length; |
1977 | int free_line_length; | |
1978 | /* Maximum number of continuation lines in fixed- and free-form source, | |
1979 | respectively. */ | |
5a06474c JD |
1980 | int max_continue_fixed; |
1981 | int max_continue_free; | |
6de9cd9a | 1982 | int max_identifier_length; |
6c1abb5c | 1983 | int dump_parse_tree; |
6de9cd9a DN |
1984 | |
1985 | int warn_aliasing; | |
3fbab549 | 1986 | int warn_ampersand; |
6de9cd9a DN |
1987 | int warn_conversion; |
1988 | int warn_implicit_interface; | |
1989 | int warn_line_truncation; | |
1990 | int warn_surprising; | |
840bd9f7 SK |
1991 | int warn_tabs; |
1992 | int warn_underflow; | |
c3005b0f DK |
1993 | int warn_intrinsic_shadow; |
1994 | int warn_intrinsics_std; | |
2220652d | 1995 | int warn_character_truncation; |
bdfd2ff0 | 1996 | int warn_array_temp; |
f613cea7 | 1997 | int warn_align_commons; |
3f139fcf | 1998 | int max_errors; |
6de9cd9a | 1999 | |
a23eec13 | 2000 | int flag_all_intrinsics; |
3ae9eb27 SK |
2001 | int flag_default_double; |
2002 | int flag_default_integer; | |
2003 | int flag_default_real; | |
6de9cd9a DN |
2004 | int flag_dollar_ok; |
2005 | int flag_underscoring; | |
2006 | int flag_second_underscore; | |
2007 | int flag_implicit_none; | |
2008 | int flag_max_stack_var_size; | |
63346ddb | 2009 | int flag_max_array_constructor; |
54554825 | 2010 | int flag_range_check; |
6de9cd9a DN |
2011 | int flag_pack_derived; |
2012 | int flag_repack_arrays; | |
2d7c7df6 | 2013 | int flag_preprocessed; |
973ff4c0 | 2014 | int flag_f2c; |
ee5426a4 | 2015 | int flag_automatic; |
131c66cd | 2016 | int flag_backslash; |
868d75db | 2017 | int flag_backtrace; |
e6472bce | 2018 | int flag_allow_leading_underscore; |
eedeea04 | 2019 | int flag_dump_core; |
5a0aad31 FXC |
2020 | int flag_external_blas; |
2021 | int blas_matmul_limit; | |
83d890b9 | 2022 | int flag_cray_pointer; |
e0bcf78c | 2023 | int flag_d_lines; |
6c7a4dfd | 2024 | int flag_openmp; |
68d2e027 | 2025 | int flag_sign_zero; |
654b6073 | 2026 | int flag_module_private; |
1e7de83b | 2027 | int flag_recursive; |
51b09ce3 AL |
2028 | int flag_init_local_zero; |
2029 | int flag_init_integer; | |
2030 | int flag_init_integer_value; | |
2031 | int flag_init_real; | |
2032 | int flag_init_logical; | |
2033 | int flag_init_character; | |
2034 | char flag_init_character_value; | |
f613cea7 | 2035 | int flag_align_commons; |
71a7778c | 2036 | int flag_whole_file; |
6de9cd9a | 2037 | |
944b8b35 | 2038 | int fpe; |
d3d3011f | 2039 | int rtcheck; |
944b8b35 | 2040 | |
6de9cd9a DN |
2041 | int warn_std; |
2042 | int allow_std; | |
25d8f0a2 | 2043 | int fshort_enums; |
eaa90d25 | 2044 | int convert; |
d67ab5ee | 2045 | int record_marker; |
07b3bbf2 | 2046 | int max_subrecord_length; |
6de9cd9a DN |
2047 | } |
2048 | gfc_option_t; | |
2049 | ||
2050 | extern gfc_option_t gfc_option; | |
2051 | ||
6de9cd9a DN |
2052 | /* Constructor nodes for array and structure constructors. */ |
2053 | typedef struct gfc_constructor | |
2054 | { | |
2055 | gfc_expr *expr; | |
2056 | gfc_iterator *iterator; | |
2057 | locus where; | |
2058 | struct gfc_constructor *next; | |
2059 | struct | |
2060 | { | |
2061 | mpz_t offset; /* Record the offset of array element which appears in | |
2062 | data statement like "data a(5)/4/". */ | |
2063 | gfc_component *component; /* Record the component being initialized. */ | |
2064 | } | |
2065 | n; | |
2066 | mpz_t repeat; /* Record the repeat number of initial values in data | |
2067 | statement like "data a/5*10/". */ | |
2068 | } | |
2069 | gfc_constructor; | |
2070 | ||
2071 | ||
2072 | typedef struct iterator_stack | |
2073 | { | |
2074 | gfc_symtree *variable; | |
2075 | mpz_t value; | |
2076 | struct iterator_stack *prev; | |
2077 | } | |
2078 | iterator_stack; | |
2079 | extern iterator_stack *iter_stack; | |
2080 | ||
34523524 DK |
2081 | |
2082 | /* Node in the linked list used for storing finalizer procedures. */ | |
2083 | ||
2084 | typedef struct gfc_finalizer | |
2085 | { | |
2086 | struct gfc_finalizer* next; | |
df2fba9e | 2087 | locus where; /* Where the FINAL declaration occurred. */ |
f6fad28e DK |
2088 | |
2089 | /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding | |
2090 | symtree and later need only that. This way, we can access and call the | |
2091 | finalizers from every context as they should be "always accessible". I | |
2092 | don't make this a union because we need the information whether proc_sym is | |
2093 | still referenced or not for dereferencing it on deleting a gfc_finalizer | |
2094 | structure. */ | |
2095 | gfc_symbol* proc_sym; | |
2096 | gfc_symtree* proc_tree; | |
34523524 DK |
2097 | } |
2098 | gfc_finalizer; | |
f6fad28e DK |
2099 | #define gfc_get_finalizer() XCNEW (gfc_finalizer) |
2100 | ||
34523524 | 2101 | |
6de9cd9a DN |
2102 | /************************ Function prototypes *************************/ |
2103 | ||
2220652d PT |
2104 | /* decl.c */ |
2105 | bool gfc_in_match_data (void); | |
2220652d | 2106 | |
6de9cd9a DN |
2107 | /* scanner.c */ |
2108 | void gfc_scanner_done_1 (void); | |
2109 | void gfc_scanner_init_1 (void); | |
2110 | ||
0ee1b105 | 2111 | void gfc_add_include_path (const char *, bool, bool); |
31198773 | 2112 | void gfc_add_intrinsic_modules_path (const char *); |
6de9cd9a | 2113 | void gfc_release_include_path (void); |
31198773 FXC |
2114 | FILE *gfc_open_included_file (const char *, bool, bool); |
2115 | FILE *gfc_open_intrinsic_module (const char *); | |
6de9cd9a | 2116 | |
6de9cd9a DN |
2117 | int gfc_at_end (void); |
2118 | int gfc_at_eof (void); | |
2119 | int gfc_at_bol (void); | |
2120 | int gfc_at_eol (void); | |
2121 | void gfc_advance_line (void); | |
2122 | int gfc_check_include (void); | |
9e8a6720 | 2123 | int gfc_define_undef_line (void); |
6de9cd9a | 2124 | |
8fc541d3 FXC |
2125 | int gfc_wide_is_printable (gfc_char_t); |
2126 | int gfc_wide_is_digit (gfc_char_t); | |
2127 | int gfc_wide_fits_in_byte (gfc_char_t); | |
2128 | gfc_char_t gfc_wide_tolower (gfc_char_t); | |
00660189 | 2129 | gfc_char_t gfc_wide_toupper (gfc_char_t); |
8fc541d3 | 2130 | size_t gfc_wide_strlen (const gfc_char_t *); |
00660189 FXC |
2131 | int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); |
2132 | gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); | |
2133 | char *gfc_widechar_to_char (const gfc_char_t *, int); | |
2134 | gfc_char_t *gfc_char_to_widechar (const char *); | |
2135 | ||
ece3f663 | 2136 | #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) |
8fc541d3 | 2137 | |
6de9cd9a | 2138 | void gfc_skip_comments (void); |
8fc541d3 FXC |
2139 | gfc_char_t gfc_next_char_literal (int); |
2140 | gfc_char_t gfc_next_char (void); | |
2141 | char gfc_next_ascii_char (void); | |
2142 | gfc_char_t gfc_peek_char (void); | |
2143 | char gfc_peek_ascii_char (void); | |
6de9cd9a DN |
2144 | void gfc_error_recovery (void); |
2145 | void gfc_gobble_whitespace (void); | |
17b1d2a0 | 2146 | gfc_try gfc_new_file (void); |
2d7c7df6 | 2147 | const char * gfc_read_orig_filename (const char *, const char **); |
6de9cd9a | 2148 | |
d4fa05b9 | 2149 | extern gfc_source_form gfc_current_form; |
e0bcf78c | 2150 | extern const char *gfc_source_file; |
63645982 | 2151 | extern locus gfc_current_locus; |
6de9cd9a | 2152 | |
60332588 JJ |
2153 | void gfc_start_source_files (void); |
2154 | void gfc_end_source_files (void); | |
2155 | ||
6de9cd9a DN |
2156 | /* misc.c */ |
2157 | void *gfc_getmem (size_t) ATTRIBUTE_MALLOC; | |
2158 | void gfc_free (void *); | |
66e4ab31 | 2159 | int gfc_terminal_width (void); |
6de9cd9a DN |
2160 | void gfc_clear_ts (gfc_typespec *); |
2161 | FILE *gfc_open_file (const char *); | |
6de9cd9a DN |
2162 | const char *gfc_basic_typename (bt); |
2163 | const char *gfc_typename (gfc_typespec *); | |
ba3ba492 | 2164 | const char *gfc_op2string (gfc_intrinsic_op); |
6de9cd9a DN |
2165 | const char *gfc_code2string (const mstring *, int); |
2166 | int gfc_string2code (const mstring *, const char *); | |
2167 | const char *gfc_intent_string (sym_intent); | |
2168 | ||
2169 | void gfc_init_1 (void); | |
2170 | void gfc_init_2 (void); | |
2171 | void gfc_done_1 (void); | |
2172 | void gfc_done_2 (void); | |
2173 | ||
a8b3b0b6 CR |
2174 | int get_c_kind (const char *, CInteropKind_t *); |
2175 | ||
6de9cd9a DN |
2176 | /* options.c */ |
2177 | unsigned int gfc_init_options (unsigned int, const char **); | |
2178 | int gfc_handle_option (size_t, const char *, int); | |
2179 | bool gfc_post_options (const char **); | |
2180 | ||
2181 | /* iresolve.c */ | |
6b25a558 | 2182 | const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; |
a68ab351 | 2183 | bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); |
6de9cd9a DN |
2184 | |
2185 | /* error.c */ | |
2186 | ||
2187 | typedef struct gfc_error_buf | |
2188 | { | |
2189 | int flag; | |
d71b89ca JJ |
2190 | size_t allocated, index; |
2191 | char *message; | |
6de9cd9a DN |
2192 | } gfc_error_buf; |
2193 | ||
2194 | void gfc_error_init_1 (void); | |
2195 | void gfc_buffer_error (int); | |
2196 | ||
00660189 FXC |
2197 | const char *gfc_print_wide_char (gfc_char_t); |
2198 | ||
0ce0154c KG |
2199 | void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); |
2200 | void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); | |
6de9cd9a DN |
2201 | void gfc_clear_warning (void); |
2202 | void gfc_warning_check (void); | |
2203 | ||
0ce0154c KG |
2204 | void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); |
2205 | void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); | |
2206 | void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); | |
2207 | void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); | |
6de9cd9a DN |
2208 | void gfc_clear_error (void); |
2209 | int gfc_error_check (void); | |
8f81c3c6 | 2210 | int gfc_error_flag_test (void); |
6de9cd9a | 2211 | |
8f0d39a8 | 2212 | notification gfc_notification_std (int); |
17b1d2a0 | 2213 | gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); |
6de9cd9a DN |
2214 | |
2215 | /* A general purpose syntax error. */ | |
2216 | #define gfc_syntax_error(ST) \ | |
2217 | gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); | |
2218 | ||
2219 | void gfc_push_error (gfc_error_buf *); | |
2220 | void gfc_pop_error (gfc_error_buf *); | |
d71b89ca | 2221 | void gfc_free_error (gfc_error_buf *); |
6de9cd9a | 2222 | |
6de9cd9a DN |
2223 | void gfc_get_errors (int *, int *); |
2224 | ||
2225 | /* arith.c */ | |
2226 | void gfc_arith_init_1 (void); | |
2227 | void gfc_arith_done_1 (void); | |
25d8f0a2 TS |
2228 | gfc_expr *gfc_enum_initializer (gfc_expr *, locus); |
2229 | arith gfc_check_integer_range (mpz_t p, int kind); | |
d393bbd7 | 2230 | bool gfc_check_character_range (gfc_char_t, int); |
6de9cd9a | 2231 | |
5e8e542f | 2232 | /* trans-types.c */ |
17b1d2a0 | 2233 | gfc_try gfc_check_any_c_kind (gfc_typespec *); |
e7a2d5fb | 2234 | int gfc_validate_kind (bt, int, bool); |
6de9cd9a | 2235 | extern int gfc_index_integer_kind; |
9d64df18 | 2236 | extern int gfc_default_integer_kind; |
f4e7375a | 2237 | extern int gfc_max_integer_kind; |
9d64df18 TS |
2238 | extern int gfc_default_real_kind; |
2239 | extern int gfc_default_double_kind; | |
2240 | extern int gfc_default_character_kind; | |
2241 | extern int gfc_default_logical_kind; | |
2242 | extern int gfc_default_complex_kind; | |
e8525382 | 2243 | extern int gfc_c_int_kind; |
014ec6ee | 2244 | extern int gfc_intio_kind; |
f1412ca5 | 2245 | extern int gfc_charlen_int_kind; |
39f87c03 FXC |
2246 | extern int gfc_numeric_storage_size; |
2247 | extern int gfc_character_storage_size; | |
6de9cd9a DN |
2248 | |
2249 | /* symbol.c */ | |
2250 | void gfc_clear_new_implicit (void); | |
17b1d2a0 KG |
2251 | gfc_try gfc_add_new_implicit_range (int, int); |
2252 | gfc_try gfc_merge_new_implicit (gfc_typespec *); | |
6de9cd9a | 2253 | void gfc_set_implicit_none (void); |
e9bd9f7d | 2254 | void gfc_check_function_type (gfc_namespace *); |
e9c06563 | 2255 | bool gfc_is_intrinsic_typename (const char *); |
6de9cd9a DN |
2256 | |
2257 | gfc_typespec *gfc_get_default_type (gfc_symbol *, gfc_namespace *); | |
17b1d2a0 | 2258 | gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); |
6de9cd9a | 2259 | |
66e4ab31 | 2260 | void gfc_set_sym_referenced (gfc_symbol *); |
6de9cd9a | 2261 | |
17b1d2a0 KG |
2262 | gfc_try gfc_add_attribute (symbol_attribute *, locus *); |
2263 | gfc_try gfc_add_allocatable (symbol_attribute *, locus *); | |
2264 | gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *); | |
2265 | gfc_try gfc_add_external (symbol_attribute *, locus *); | |
2266 | gfc_try gfc_add_intrinsic (symbol_attribute *, locus *); | |
2267 | gfc_try gfc_add_optional (symbol_attribute *, locus *); | |
2268 | gfc_try gfc_add_pointer (symbol_attribute *, locus *); | |
2269 | gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *); | |
2270 | gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *); | |
2271 | gfc_try gfc_mod_pointee_as (gfc_array_spec *); | |
2272 | gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *); | |
2273 | gfc_try gfc_add_result (symbol_attribute *, const char *, locus *); | |
2274 | gfc_try gfc_add_save (symbol_attribute *, const char *, locus *); | |
2275 | gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *); | |
2276 | gfc_try gfc_add_saved_common (symbol_attribute *, locus *); | |
2277 | gfc_try gfc_add_target (symbol_attribute *, locus *); | |
2278 | gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *); | |
2279 | gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *); | |
2280 | gfc_try gfc_add_common (symbol_attribute *, locus *); | |
2281 | gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *); | |
2282 | gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); | |
2283 | gfc_try gfc_add_data (symbol_attribute *, const char *, locus *); | |
2284 | gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *); | |
2285 | gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *); | |
2286 | gfc_try gfc_add_elemental (symbol_attribute *, locus *); | |
2287 | gfc_try gfc_add_pure (symbol_attribute *, locus *); | |
2288 | gfc_try gfc_add_recursive (symbol_attribute *, locus *); | |
2289 | gfc_try gfc_add_function (symbol_attribute *, const char *, locus *); | |
2290 | gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *); | |
2291 | gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *); | |
2292 | gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); | |
52f49934 | 2293 | gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where); |
17b1d2a0 KG |
2294 | |
2295 | gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); | |
63a3341a PT |
2296 | gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); |
2297 | gfc_try gfc_add_extension (symbol_attribute *, locus *); | |
17b1d2a0 KG |
2298 | gfc_try gfc_add_value (symbol_attribute *, const char *, locus *); |
2299 | gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); | |
2300 | gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *); | |
2301 | gfc_try gfc_add_procedure (symbol_attribute *, procedure_type, | |
231b2fcc | 2302 | const char *, locus *); |
17b1d2a0 KG |
2303 | gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *); |
2304 | gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc, | |
6de9cd9a | 2305 | gfc_formal_arglist *, locus *); |
17b1d2a0 | 2306 | gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); |
6de9cd9a DN |
2307 | |
2308 | void gfc_clear_attr (symbol_attribute *); | |
17b1d2a0 KG |
2309 | gfc_try gfc_missing_attr (symbol_attribute *, locus *); |
2310 | gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); | |
6de9cd9a | 2311 | |
17b1d2a0 | 2312 | gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **); |
6de9cd9a DN |
2313 | gfc_symbol *gfc_use_derived (gfc_symbol *); |
2314 | gfc_symtree *gfc_use_derived_tree (gfc_symtree *); | |
9d1210f4 | 2315 | gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool); |
6de9cd9a DN |
2316 | |
2317 | gfc_st_label *gfc_get_st_label (int); | |
2318 | void gfc_free_st_label (gfc_st_label *); | |
2319 | void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); | |
17b1d2a0 | 2320 | gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type); |
6de9cd9a | 2321 | |
08113c73 PT |
2322 | gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); |
2323 | ||
0366dfe9 | 2324 | gfc_namespace *gfc_get_namespace (gfc_namespace *, int); |
6de9cd9a DN |
2325 | gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); |
2326 | gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); | |
a99d95a2 | 2327 | void gfc_delete_symtree (gfc_symtree **, const char *); |
aa84a9a5 | 2328 | gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); |
6de9cd9a DN |
2329 | gfc_user_op *gfc_get_uop (const char *); |
2330 | gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); | |
2331 | void gfc_free_symbol (gfc_symbol *); | |
2332 | gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); | |
2333 | int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); | |
2334 | int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); | |
2335 | int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); | |
2ec855f1 | 2336 | gfc_try verify_c_interop (gfc_typespec *); |
17b1d2a0 KG |
2337 | gfc_try verify_c_interop_param (gfc_symbol *); |
2338 | gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); | |
2339 | gfc_try verify_bind_c_derived_type (gfc_symbol *); | |
2340 | gfc_try verify_com_block_vars_c_interop (gfc_common_head *); | |
741ac903 | 2341 | void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *); |
a8b3b0b6 | 2342 | gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, char *, int); |
6de9cd9a DN |
2343 | int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **); |
2344 | int gfc_get_ha_symbol (const char *, gfc_symbol **); | |
2345 | int gfc_get_ha_sym_tree (const char *, gfc_symtree **); | |
2346 | ||
2347 | int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *); | |
2348 | ||
2349 | void gfc_undo_symbols (void); | |
2350 | void gfc_commit_symbols (void); | |
66e4ab31 | 2351 | void gfc_commit_symbol (gfc_symbol *); |
27f31e39 | 2352 | void gfc_free_charlen (gfc_charlen *, gfc_charlen *); |
6de9cd9a DN |
2353 | void gfc_free_namespace (gfc_namespace *); |
2354 | ||
2355 | void gfc_symbol_init_2 (void); | |
2356 | void gfc_symbol_done_2 (void); | |
2357 | ||
9056bd70 | 2358 | void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); |
6de9cd9a DN |
2359 | void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); |
2360 | void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); | |
2361 | void gfc_save_all (gfc_namespace *); | |
2362 | ||
2363 | void gfc_symbol_state (void); | |
71a7778c PT |
2364 | void gfc_free_dt_list (void); |
2365 | ||
6de9cd9a | 2366 | |
cb9e4f55 TS |
2367 | gfc_gsymbol *gfc_get_gsymbol (const char *); |
2368 | gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); | |
c9543002 | 2369 | |
30b608eb | 2370 | gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); |
8e1f752a | 2371 | gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool); |
30b608eb | 2372 | |
3afadac3 JW |
2373 | void copy_formal_args (gfc_symbol *, gfc_symbol *); |
2374 | void copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *); | |
69773742 | 2375 | |
34523524 DK |
2376 | void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */ |
2377 | ||
f37e928c DK |
2378 | gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); |
2379 | ||
6de9cd9a DN |
2380 | /* intrinsic.c */ |
2381 | extern int gfc_init_expr; | |
2382 | ||
2383 | /* Given a symbol that we have decided is intrinsic, mark it as such | |
2384 | by placing it into a special module that is otherwise impossible to | |
2385 | read or write. */ | |
2386 | ||
cb9e4f55 | 2387 | #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") |
6de9cd9a DN |
2388 | |
2389 | void gfc_intrinsic_init_1 (void); | |
2390 | void gfc_intrinsic_done_1 (void); | |
2391 | ||
2392 | char gfc_type_letter (bt); | |
2393 | gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); | |
17b1d2a0 KG |
2394 | gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int); |
2395 | gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int); | |
2396 | gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *); | |
6de9cd9a DN |
2397 | int gfc_generic_intrinsic (const char *); |
2398 | int gfc_specific_intrinsic (const char *); | |
c3005b0f | 2399 | bool gfc_is_intrinsic (gfc_symbol*, int, locus); |
0e7e7e6e | 2400 | int gfc_intrinsic_actual_ok (const char *, const bool); |
6de9cd9a | 2401 | gfc_intrinsic_sym *gfc_find_function (const char *); |
cd5ecab6 | 2402 | gfc_intrinsic_sym *gfc_find_subroutine (const char *); |
6de9cd9a DN |
2403 | |
2404 | match gfc_intrinsic_func_interface (gfc_expr *, int); | |
2405 | match gfc_intrinsic_sub_interface (gfc_code *, int); | |
2406 | ||
c3005b0f | 2407 | void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); |
17b1d2a0 KG |
2408 | gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, |
2409 | bool, locus); | |
c3005b0f | 2410 | |
6de9cd9a DN |
2411 | /* match.c -- FIXME */ |
2412 | void gfc_free_iterator (gfc_iterator *, int); | |
2413 | void gfc_free_forall_iterator (gfc_forall_iterator *); | |
2414 | void gfc_free_alloc_list (gfc_alloc *); | |
2415 | void gfc_free_namelist (gfc_namelist *); | |
2416 | void gfc_free_equiv (gfc_equiv *); | |
2417 | void gfc_free_data (gfc_data *); | |
2418 | void gfc_free_case_list (gfc_case *); | |
2419 | ||
b6398823 PT |
2420 | /* matchexp.c -- FIXME too? */ |
2421 | gfc_expr *gfc_get_parentheses (gfc_expr *); | |
2422 | ||
6c7a4dfd JJ |
2423 | /* openmp.c */ |
2424 | void gfc_free_omp_clauses (gfc_omp_clauses *); | |
2425 | void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); | |
2426 | void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *); | |
2427 | void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); | |
2428 | void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); | |
2429 | ||
6de9cd9a DN |
2430 | /* expr.c */ |
2431 | void gfc_free_actual_arglist (gfc_actual_arglist *); | |
2432 | gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); | |
2433 | const char *gfc_extract_int (gfc_expr *, int *); | |
5046aff5 | 2434 | gfc_expr *gfc_expr_to_initialize (gfc_expr *); |
1d6b7f39 | 2435 | bool is_subref_array (gfc_expr *); |
6de9cd9a DN |
2436 | |
2437 | gfc_expr *gfc_build_conversion (gfc_expr *); | |
2438 | void gfc_free_ref_list (gfc_ref *); | |
2439 | void gfc_type_convert_binary (gfc_expr *); | |
2440 | int gfc_is_constant_expr (gfc_expr *); | |
17b1d2a0 | 2441 | gfc_try gfc_simplify_expr (gfc_expr *, int); |
4075a94e | 2442 | int gfc_has_vector_index (gfc_expr *); |
6de9cd9a DN |
2443 | |
2444 | gfc_expr *gfc_get_expr (void); | |
2445 | void gfc_free_expr (gfc_expr *); | |
2446 | void gfc_replace_expr (gfc_expr *, gfc_expr *); | |
2447 | gfc_expr *gfc_int_expr (int); | |
2448 | gfc_expr *gfc_logical_expr (int, locus *); | |
2449 | mpz_t *gfc_copy_shape (mpz_t *, int); | |
94538bd1 | 2450 | mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); |
6de9cd9a | 2451 | gfc_expr *gfc_copy_expr (gfc_expr *); |
8e1f752a | 2452 | gfc_ref* gfc_copy_ref (gfc_ref*); |
6de9cd9a | 2453 | |
17b1d2a0 | 2454 | gfc_try gfc_specification_expr (gfc_expr *); |
6de9cd9a DN |
2455 | |
2456 | int gfc_numeric_ts (gfc_typespec *); | |
2457 | int gfc_kind_max (gfc_expr *, gfc_expr *); | |
2458 | ||
17b1d2a0 KG |
2459 | gfc_try gfc_check_conformance (const char *, gfc_expr *, gfc_expr *); |
2460 | gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int); | |
2461 | gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *); | |
2462 | gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *); | |
6de9cd9a | 2463 | |
54b4ba60 | 2464 | gfc_expr *gfc_default_initializer (gfc_typespec *); |
294fbfc8 TS |
2465 | gfc_expr *gfc_get_variable_expr (gfc_symtree *); |
2466 | ||
640670c7 PT |
2467 | bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, |
2468 | bool (*)(gfc_expr *, gfc_symbol *, int*), | |
2469 | int); | |
66e4ab31 | 2470 | void gfc_expr_set_symbols_referenced (gfc_expr *); |
f37e928c | 2471 | gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); |
c6acea9d | 2472 | void gfc_expr_replace_symbols (gfc_expr *, gfc_symbol *); |
f37e928c | 2473 | |
6de9cd9a DN |
2474 | /* st.c */ |
2475 | extern gfc_code new_st; | |
2476 | ||
2477 | void gfc_clear_new_st (void); | |
2478 | gfc_code *gfc_get_code (void); | |
2479 | gfc_code *gfc_append_code (gfc_code *, gfc_code *); | |
2480 | void gfc_free_statement (gfc_code *); | |
2481 | void gfc_free_statements (gfc_code *); | |
2482 | ||
2483 | /* resolve.c */ | |
17b1d2a0 | 2484 | gfc_try gfc_resolve_expr (gfc_expr *); |
6de9cd9a | 2485 | void gfc_resolve (gfc_namespace *); |
6c7a4dfd | 2486 | void gfc_resolve_blocks (gfc_code *, gfc_namespace *); |
6de9cd9a DN |
2487 | int gfc_impure_variable (gfc_symbol *); |
2488 | int gfc_pure (gfc_symbol *); | |
2489 | int gfc_elemental (gfc_symbol *); | |
17b1d2a0 KG |
2490 | gfc_try gfc_resolve_iterator (gfc_iterator *, bool); |
2491 | gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int); | |
2492 | gfc_try gfc_resolve_index (gfc_expr *, int); | |
2493 | gfc_try gfc_resolve_dim_arg (gfc_expr *); | |
4213f93b | 2494 | int gfc_is_formal_arg (void); |
07368af0 | 2495 | void gfc_resolve_substring_charlen (gfc_expr *); |
a8b3b0b6 CR |
2496 | match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *); |
2497 | ||
6de9cd9a DN |
2498 | |
2499 | /* array.c */ | |
2500 | void gfc_free_array_spec (gfc_array_spec *); | |
2501 | gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); | |
2502 | ||
17b1d2a0 | 2503 | gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); |
6de9cd9a | 2504 | gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); |
17b1d2a0 | 2505 | gfc_try gfc_resolve_array_spec (gfc_array_spec *, int); |
6de9cd9a DN |
2506 | |
2507 | int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); | |
2508 | ||
2509 | gfc_expr *gfc_start_constructor (bt, int, locus *); | |
2510 | void gfc_append_constructor (gfc_expr *, gfc_expr *); | |
2511 | void gfc_free_constructor (gfc_constructor *); | |
2512 | void gfc_simplify_iterator_var (gfc_expr *); | |
17b1d2a0 | 2513 | gfc_try gfc_expand_constructor (gfc_expr *); |
6de9cd9a DN |
2514 | int gfc_constant_ac (gfc_expr *); |
2515 | int gfc_expanded_ac (gfc_expr *); | |
17b1d2a0 KG |
2516 | gfc_try gfc_resolve_character_array_constructor (gfc_expr *); |
2517 | gfc_try gfc_resolve_array_constructor (gfc_expr *); | |
2518 | gfc_try gfc_check_constructor_type (gfc_expr *); | |
2519 | gfc_try gfc_check_iter_variable (gfc_expr *); | |
2520 | gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *)); | |
66e4ab31 | 2521 | gfc_constructor *gfc_copy_constructor (gfc_constructor *); |
6de9cd9a | 2522 | gfc_expr *gfc_get_array_element (gfc_expr *, int); |
17b1d2a0 KG |
2523 | gfc_try gfc_array_size (gfc_expr *, mpz_t *); |
2524 | gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *); | |
2525 | gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *); | |
6de9cd9a DN |
2526 | gfc_array_ref *gfc_find_array_ref (gfc_expr *); |
2527 | void gfc_insert_constructor (gfc_expr *, gfc_constructor *); | |
2528 | gfc_constructor *gfc_get_constructor (void); | |
66e4ab31 | 2529 | tree gfc_conv_array_initializer (tree type, gfc_expr *); |
17b1d2a0 KG |
2530 | gfc_try spec_size (gfc_array_spec *, mpz_t *); |
2531 | gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *); | |
4077d207 | 2532 | int gfc_is_compile_time_shape (gfc_array_spec *); |
6de9cd9a | 2533 | |
543af7ab TK |
2534 | gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *); |
2535 | ||
2536 | ||
6de9cd9a DN |
2537 | /* interface.c -- FIXME: some of these should be in symbol.c */ |
2538 | void gfc_free_interface (gfc_interface *); | |
e0e85e06 | 2539 | int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); |
6de9cd9a | 2540 | int gfc_compare_types (gfc_typespec *, gfc_typespec *); |
e157f736 | 2541 | int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, int); |
6de9cd9a DN |
2542 | void gfc_check_interfaces (gfc_namespace *); |
2543 | void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); | |
2544 | gfc_symbol *gfc_search_interface (gfc_interface *, int, | |
2545 | gfc_actual_arglist **); | |
17b1d2a0 | 2546 | gfc_try gfc_extend_expr (gfc_expr *); |
6de9cd9a | 2547 | void gfc_free_formal_arglist (gfc_formal_arglist *); |
17b1d2a0 KG |
2548 | gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *); |
2549 | gfc_try gfc_add_interface (gfc_symbol *); | |
2b77e908 FXC |
2550 | gfc_interface *gfc_current_interface_head (void); |
2551 | void gfc_set_current_interface_head (gfc_interface *); | |
f6fad28e | 2552 | gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); |
f0ac18b7 | 2553 | bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); |
6de9cd9a DN |
2554 | |
2555 | /* io.c */ | |
2556 | extern gfc_st_label format_asterisk; | |
2557 | ||
2558 | void gfc_free_open (gfc_open *); | |
17b1d2a0 | 2559 | gfc_try gfc_resolve_open (gfc_open *); |
6de9cd9a | 2560 | void gfc_free_close (gfc_close *); |
17b1d2a0 | 2561 | gfc_try gfc_resolve_close (gfc_close *); |
6de9cd9a | 2562 | void gfc_free_filepos (gfc_filepos *); |
17b1d2a0 | 2563 | gfc_try gfc_resolve_filepos (gfc_filepos *); |
6de9cd9a | 2564 | void gfc_free_inquire (gfc_inquire *); |
17b1d2a0 | 2565 | gfc_try gfc_resolve_inquire (gfc_inquire *); |
6de9cd9a | 2566 | void gfc_free_dt (gfc_dt *); |
17b1d2a0 | 2567 | gfc_try gfc_resolve_dt (gfc_dt *); |
6f0f0b2e | 2568 | void gfc_free_wait (gfc_wait *); |
17b1d2a0 | 2569 | gfc_try gfc_resolve_wait (gfc_wait *); |
6de9cd9a DN |
2570 | |
2571 | /* module.c */ | |
2572 | void gfc_module_init_2 (void); | |
2573 | void gfc_module_done_2 (void); | |
2574 | void gfc_dump_module (const char *, int); | |
af30f793 | 2575 | bool gfc_check_access (gfc_access, gfc_access); |
a64f5186 | 2576 | void gfc_free_use_stmts (gfc_use_list *); |
6de9cd9a DN |
2577 | |
2578 | /* primary.c */ | |
2579 | symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); | |
2580 | symbol_attribute gfc_expr_attr (gfc_expr *); | |
eb77cddf | 2581 | match gfc_match_rvalue (gfc_expr **); |
8e1f752a | 2582 | match gfc_match_varspec (gfc_expr*, int, bool); |
8fc541d3 | 2583 | int gfc_check_digit (char, int); |
6de9cd9a DN |
2584 | |
2585 | /* trans.c */ | |
2586 | void gfc_generate_code (gfc_namespace *); | |
2587 | void gfc_generate_module_code (gfc_namespace *); | |
2588 | ||
2589 | /* bbt.c */ | |
2590 | typedef int (*compare_fn) (void *, void *); | |
2591 | void gfc_insert_bbt (void *, void *, compare_fn); | |
2592 | void gfc_delete_bbt (void *, void *, compare_fn); | |
2593 | ||
2594 | /* dump-parse-tree.c */ | |
6c1abb5c | 2595 | void gfc_dump_parse_tree (gfc_namespace *, FILE *); |
6de9cd9a DN |
2596 | |
2597 | /* parse.c */ | |
17b1d2a0 | 2598 | gfc_try gfc_parse_file (void); |
ca39e6f2 | 2599 | void gfc_global_used (gfc_gsymbol *, locus *); |
6de9cd9a | 2600 | |
2990f854 PT |
2601 | /* dependency.c */ |
2602 | int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); | |
23f2d017 | 2603 | int gfc_is_data_pointer (gfc_expr *); |
2990f854 | 2604 | |
fb5bc08b DK |
2605 | /* check.c */ |
2606 | gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); | |
2607 | ||
53814b8f | 2608 | #endif /* GCC_GFORTRAN_H */ |