PR tree-optimization/86415 - strlen() not folded for substrings within constant arrays
[official-gcc.git] / gcc / fortran / gfortran.h
blob0b89f8de950385579ef9a468a795abcae4eb81f9
1 /* gfortran header file
2 Copyright (C) 2000-2018 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
32 #endif
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
37 in c-common.h. */
38 #undef GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
41 #error \
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
44 not after.
45 #endif
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
52 #include "intl.h"
53 #include "splay-tree.h"
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
58 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
60 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
65 /* Macros to check for groups of structure-like types and flavors since
66 derived types, structures, maps, unions are often treated similarly. */
67 #define gfc_bt_struct(t) \
68 ((t) == BT_DERIVED || (t) == BT_UNION)
69 #define gfc_fl_struct(f) \
70 ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT)
71 #define case_bt_struct case BT_DERIVED: case BT_UNION
72 #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT
74 /* Stringization. */
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
83 #define PREFIX_LEN 10
85 /* A prefix for internal variables, which are not user-visible. */
86 #if !defined (NO_DOT_IN_LABEL)
87 # define GFC_PREFIX(x) "_F." x
88 #elif !defined (NO_DOLLAR_IN_LABEL)
89 # define GFC_PREFIX(x) "_F$" x
90 #else
91 # define GFC_PREFIX(x) "_F_" x
92 #endif
94 #define BLANK_COMMON_NAME "__BLNK__"
96 /* Macro to initialize an mstring structure. */
97 #define minit(s, t) { s, NULL, t }
99 /* Structure for storing strings to be matched by gfc_match_string. */
100 typedef struct
102 const char *string;
103 const char *mp;
104 int tag;
106 mstring;
110 /*************************** Enums *****************************/
112 /* Used when matching and resolving data I/O transfer statements. */
114 enum io_kind
115 { M_READ, M_WRITE, M_PRINT, M_INQUIRE };
118 /* These are flags for identifying whether we are reading a character literal
119 between quotes or normal source code. */
121 enum gfc_instring
122 { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN };
124 /* This is returned by gfc_notification_std to know if, given the flags
125 that were given (-std=, -pedantic) we should issue an error, a warning
126 or nothing. */
128 enum notification
129 { SILENT, WARNING, ERROR };
131 /* Matchers return one of these three values. The difference between
132 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
133 successful, but that something non-syntactic is wrong and an error
134 has already been issued. */
136 enum match
137 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR };
139 /* Used for different Fortran source forms in places like scanner.c. */
140 enum gfc_source_form
141 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN };
143 /* Expression node types. */
144 enum expr_t
145 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
146 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL, EXPR_PPC
149 /* Array types. */
150 enum array_type
151 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
152 AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_ASSUMED_RANK,
153 AS_UNKNOWN
156 enum ar_type
157 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN };
159 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
160 related to shared DO terminations and DO targets which are neither END DO
161 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
162 enum gfc_sl_type
163 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, ST_LABEL_DO_TARGET,
164 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
167 /* Intrinsic operators. */
168 enum gfc_intrinsic_op
169 { GFC_INTRINSIC_BEGIN = 0,
170 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
171 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
172 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
173 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
174 /* ==, /=, >, >=, <, <= */
175 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
176 INTRINSIC_LT, INTRINSIC_LE,
177 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
178 INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS,
179 INTRINSIC_LT_OS, INTRINSIC_LE_OS,
180 INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, INTRINSIC_PARENTHESES,
181 GFC_INTRINSIC_END, /* Sentinel */
182 /* User defined derived type pseudo operators. These are set beyond the
183 sentinel so that they are excluded from module_read and module_write. */
184 INTRINSIC_FORMATTED, INTRINSIC_UNFORMATTED
187 /* This macro is the number of intrinsic operators that exist.
188 Assumptions are made about the numbering of the interface_op enums. */
189 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
191 /* Arithmetic results. */
192 enum arith
193 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
194 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT
197 /* Statements. */
198 enum gfc_statement
200 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE,
201 ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA,
202 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
203 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
204 ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA,
205 ST_ENDDO, ST_IMPLIED_ENDDO, ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL,
206 ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, ST_END_MODULE, ST_END_SUBMODULE,
207 ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE,
208 ST_ENTRY, ST_EQUIVALENCE, ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK,
209 ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE,
210 ST_IMPORT, ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY,
211 ST_SYNC_IMAGES, ST_PARAMETER, ST_MODULE, ST_SUBMODULE, ST_MODULE_PROC,
212 ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC,
213 ST_READ, ST_RETURN, ST_REWIND, ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE,
214 ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, ST_WRITE, ST_ASSIGNMENT,
215 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
216 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_ENUM,
217 ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS,
218 ST_STRUCTURE_DECL, ST_END_STRUCTURE,
219 ST_UNION, ST_END_UNION, ST_MAP, ST_END_MAP,
220 ST_OACC_PARALLEL_LOOP, ST_OACC_END_PARALLEL_LOOP, ST_OACC_PARALLEL,
221 ST_OACC_END_PARALLEL, ST_OACC_KERNELS, ST_OACC_END_KERNELS, ST_OACC_DATA,
222 ST_OACC_END_DATA, ST_OACC_HOST_DATA, ST_OACC_END_HOST_DATA, ST_OACC_LOOP,
223 ST_OACC_END_LOOP, ST_OACC_DECLARE, ST_OACC_UPDATE, ST_OACC_WAIT,
224 ST_OACC_CACHE, ST_OACC_KERNELS_LOOP, ST_OACC_END_KERNELS_LOOP,
225 ST_OACC_ENTER_DATA, ST_OACC_EXIT_DATA, ST_OACC_ROUTINE,
226 ST_OACC_ATOMIC, ST_OACC_END_ATOMIC,
227 ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC,
228 ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED,
229 ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS,
230 ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE,
231 ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
232 ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
233 ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE,
234 ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK,
235 ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_OMP_CANCEL, ST_OMP_CANCELLATION_POINT,
236 ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP, ST_OMP_SIMD, ST_OMP_END_SIMD,
237 ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD, ST_OMP_PARALLEL_DO_SIMD,
238 ST_OMP_END_PARALLEL_DO_SIMD, ST_OMP_DECLARE_SIMD, ST_OMP_DECLARE_REDUCTION,
239 ST_OMP_TARGET, ST_OMP_END_TARGET, ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA,
240 ST_OMP_TARGET_UPDATE, ST_OMP_DECLARE_TARGET,
241 ST_OMP_TEAMS, ST_OMP_END_TEAMS, ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE,
242 ST_OMP_DISTRIBUTE_SIMD, ST_OMP_END_DISTRIBUTE_SIMD,
243 ST_OMP_DISTRIBUTE_PARALLEL_DO, ST_OMP_END_DISTRIBUTE_PARALLEL_DO,
244 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD,
245 ST_OMP_TARGET_TEAMS, ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
246 ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
247 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
248 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
249 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
250 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
251 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
252 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
253 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
254 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
255 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
256 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
257 ST_OMP_TARGET_PARALLEL, ST_OMP_END_TARGET_PARALLEL,
258 ST_OMP_TARGET_PARALLEL_DO, ST_OMP_END_TARGET_PARALLEL_DO,
259 ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_END_TARGET_PARALLEL_DO_SIMD,
260 ST_OMP_TARGET_ENTER_DATA, ST_OMP_TARGET_EXIT_DATA,
261 ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD,
262 ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP,
263 ST_OMP_TASKLOOP_SIMD, ST_OMP_END_TASKLOOP_SIMD, ST_OMP_ORDERED_DEPEND,
264 ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL,
265 ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_EVENT_POST,
266 ST_EVENT_WAIT, ST_FAIL_IMAGE, ST_FORM_TEAM, ST_CHANGE_TEAM,
267 ST_END_TEAM, ST_SYNC_TEAM, ST_NONE
270 /* Types of interfaces that we can have. Assignment interfaces are
271 considered to be intrinsic operators. */
272 enum interface_type
274 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
275 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT,
276 INTERFACE_DTIO
279 /* Symbol flavors: these are all mutually exclusive.
280 12 elements = 4 bits. */
281 enum sym_flavor
283 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
284 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST,
285 FL_UNION, FL_STRUCT, FL_VOID
288 /* Procedure types. 7 elements = 3 bits. */
289 enum procedure_type
290 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
291 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
294 /* Intent types. Note that these values are also used in another enum in
295 decl.c (match_attr_spec). */
296 enum sym_intent
297 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
300 /* Access types. */
301 enum gfc_access
302 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
305 /* Flags to keep track of where an interface came from.
306 3 elements = 2 bits. */
307 enum ifsrc
308 { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */
309 IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */
310 IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement
311 with explicit interface. */
314 /* Whether a SAVE attribute was set explicitly or implicitly. */
315 enum save_state
316 { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
319 /* Strings for all symbol attributes. We use these for dumping the
320 parse tree, in error messages, and also when reading and writing
321 modules. In symbol.c. */
322 extern const mstring flavors[];
323 extern const mstring procedures[];
324 extern const mstring intents[];
325 extern const mstring access_types[];
326 extern const mstring ifsrc_types[];
327 extern const mstring save_status[];
329 /* Strings for DTIO procedure names. In symbol.c. */
330 extern const mstring dtio_procs[];
332 enum dtio_codes
333 { DTIO_RF = 0, DTIO_WF, DTIO_RUF, DTIO_WUF };
335 /* Enumeration of all the generic intrinsic functions. Used by the
336 backend for identification of a function. */
338 enum gfc_isym_id
340 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
341 the backend (e.g. KIND). */
342 GFC_ISYM_NONE = 0,
343 GFC_ISYM_ABORT,
344 GFC_ISYM_ABS,
345 GFC_ISYM_ACCESS,
346 GFC_ISYM_ACHAR,
347 GFC_ISYM_ACOS,
348 GFC_ISYM_ACOSH,
349 GFC_ISYM_ADJUSTL,
350 GFC_ISYM_ADJUSTR,
351 GFC_ISYM_AIMAG,
352 GFC_ISYM_AINT,
353 GFC_ISYM_ALARM,
354 GFC_ISYM_ALL,
355 GFC_ISYM_ALLOCATED,
356 GFC_ISYM_AND,
357 GFC_ISYM_ANINT,
358 GFC_ISYM_ANY,
359 GFC_ISYM_ASIN,
360 GFC_ISYM_ASINH,
361 GFC_ISYM_ASSOCIATED,
362 GFC_ISYM_ATAN,
363 GFC_ISYM_ATAN2,
364 GFC_ISYM_ATANH,
365 GFC_ISYM_ATOMIC_ADD,
366 GFC_ISYM_ATOMIC_AND,
367 GFC_ISYM_ATOMIC_CAS,
368 GFC_ISYM_ATOMIC_DEF,
369 GFC_ISYM_ATOMIC_FETCH_ADD,
370 GFC_ISYM_ATOMIC_FETCH_AND,
371 GFC_ISYM_ATOMIC_FETCH_OR,
372 GFC_ISYM_ATOMIC_FETCH_XOR,
373 GFC_ISYM_ATOMIC_OR,
374 GFC_ISYM_ATOMIC_REF,
375 GFC_ISYM_ATOMIC_XOR,
376 GFC_ISYM_BGE,
377 GFC_ISYM_BGT,
378 GFC_ISYM_BIT_SIZE,
379 GFC_ISYM_BLE,
380 GFC_ISYM_BLT,
381 GFC_ISYM_BTEST,
382 GFC_ISYM_CAF_GET,
383 GFC_ISYM_CAF_SEND,
384 GFC_ISYM_CEILING,
385 GFC_ISYM_CHAR,
386 GFC_ISYM_CHDIR,
387 GFC_ISYM_CHMOD,
388 GFC_ISYM_CMPLX,
389 GFC_ISYM_CO_BROADCAST,
390 GFC_ISYM_CO_MAX,
391 GFC_ISYM_CO_MIN,
392 GFC_ISYM_CO_REDUCE,
393 GFC_ISYM_CO_SUM,
394 GFC_ISYM_COMMAND_ARGUMENT_COUNT,
395 GFC_ISYM_COMPILER_OPTIONS,
396 GFC_ISYM_COMPILER_VERSION,
397 GFC_ISYM_COMPLEX,
398 GFC_ISYM_CONJG,
399 GFC_ISYM_CONVERSION,
400 GFC_ISYM_COS,
401 GFC_ISYM_COSH,
402 GFC_ISYM_COTAN,
403 GFC_ISYM_COUNT,
404 GFC_ISYM_CPU_TIME,
405 GFC_ISYM_CSHIFT,
406 GFC_ISYM_CTIME,
407 GFC_ISYM_C_ASSOCIATED,
408 GFC_ISYM_C_F_POINTER,
409 GFC_ISYM_C_F_PROCPOINTER,
410 GFC_ISYM_C_FUNLOC,
411 GFC_ISYM_C_LOC,
412 GFC_ISYM_C_SIZEOF,
413 GFC_ISYM_DATE_AND_TIME,
414 GFC_ISYM_DBLE,
415 GFC_ISYM_DIGITS,
416 GFC_ISYM_DIM,
417 GFC_ISYM_DOT_PRODUCT,
418 GFC_ISYM_DPROD,
419 GFC_ISYM_DSHIFTL,
420 GFC_ISYM_DSHIFTR,
421 GFC_ISYM_DTIME,
422 GFC_ISYM_EOSHIFT,
423 GFC_ISYM_EPSILON,
424 GFC_ISYM_ERF,
425 GFC_ISYM_ERFC,
426 GFC_ISYM_ERFC_SCALED,
427 GFC_ISYM_ETIME,
428 GFC_ISYM_EVENT_QUERY,
429 GFC_ISYM_EXECUTE_COMMAND_LINE,
430 GFC_ISYM_EXIT,
431 GFC_ISYM_EXP,
432 GFC_ISYM_EXPONENT,
433 GFC_ISYM_EXTENDS_TYPE_OF,
434 GFC_ISYM_FAILED_IMAGES,
435 GFC_ISYM_FDATE,
436 GFC_ISYM_FE_RUNTIME_ERROR,
437 GFC_ISYM_FGET,
438 GFC_ISYM_FGETC,
439 GFC_ISYM_FLOOR,
440 GFC_ISYM_FLUSH,
441 GFC_ISYM_FNUM,
442 GFC_ISYM_FPUT,
443 GFC_ISYM_FPUTC,
444 GFC_ISYM_FRACTION,
445 GFC_ISYM_FREE,
446 GFC_ISYM_FSEEK,
447 GFC_ISYM_FSTAT,
448 GFC_ISYM_FTELL,
449 GFC_ISYM_TGAMMA,
450 GFC_ISYM_GERROR,
451 GFC_ISYM_GETARG,
452 GFC_ISYM_GET_COMMAND,
453 GFC_ISYM_GET_COMMAND_ARGUMENT,
454 GFC_ISYM_GETCWD,
455 GFC_ISYM_GETENV,
456 GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
457 GFC_ISYM_GETGID,
458 GFC_ISYM_GETLOG,
459 GFC_ISYM_GETPID,
460 GFC_ISYM_GET_TEAM,
461 GFC_ISYM_GETUID,
462 GFC_ISYM_GMTIME,
463 GFC_ISYM_HOSTNM,
464 GFC_ISYM_HUGE,
465 GFC_ISYM_HYPOT,
466 GFC_ISYM_IACHAR,
467 GFC_ISYM_IALL,
468 GFC_ISYM_IAND,
469 GFC_ISYM_IANY,
470 GFC_ISYM_IARGC,
471 GFC_ISYM_IBCLR,
472 GFC_ISYM_IBITS,
473 GFC_ISYM_IBSET,
474 GFC_ISYM_ICHAR,
475 GFC_ISYM_IDATE,
476 GFC_ISYM_IEOR,
477 GFC_ISYM_IERRNO,
478 GFC_ISYM_IMAGE_INDEX,
479 GFC_ISYM_IMAGE_STATUS,
480 GFC_ISYM_INDEX,
481 GFC_ISYM_INT,
482 GFC_ISYM_INT2,
483 GFC_ISYM_INT8,
484 GFC_ISYM_IOR,
485 GFC_ISYM_IPARITY,
486 GFC_ISYM_IRAND,
487 GFC_ISYM_ISATTY,
488 GFC_ISYM_IS_IOSTAT_END,
489 GFC_ISYM_IS_IOSTAT_EOR,
490 GFC_ISYM_ISNAN,
491 GFC_ISYM_ISHFT,
492 GFC_ISYM_ISHFTC,
493 GFC_ISYM_ITIME,
494 GFC_ISYM_J0,
495 GFC_ISYM_J1,
496 GFC_ISYM_JN,
497 GFC_ISYM_JN2,
498 GFC_ISYM_KILL,
499 GFC_ISYM_KIND,
500 GFC_ISYM_LBOUND,
501 GFC_ISYM_LCOBOUND,
502 GFC_ISYM_LEADZ,
503 GFC_ISYM_LEN,
504 GFC_ISYM_LEN_TRIM,
505 GFC_ISYM_LGAMMA,
506 GFC_ISYM_LGE,
507 GFC_ISYM_LGT,
508 GFC_ISYM_LINK,
509 GFC_ISYM_LLE,
510 GFC_ISYM_LLT,
511 GFC_ISYM_LOC,
512 GFC_ISYM_LOG,
513 GFC_ISYM_LOG10,
514 GFC_ISYM_LOGICAL,
515 GFC_ISYM_LONG,
516 GFC_ISYM_LSHIFT,
517 GFC_ISYM_LSTAT,
518 GFC_ISYM_LTIME,
519 GFC_ISYM_MALLOC,
520 GFC_ISYM_MASKL,
521 GFC_ISYM_MASKR,
522 GFC_ISYM_MATMUL,
523 GFC_ISYM_MAX,
524 GFC_ISYM_MAXEXPONENT,
525 GFC_ISYM_MAXLOC,
526 GFC_ISYM_MAXVAL,
527 GFC_ISYM_MCLOCK,
528 GFC_ISYM_MCLOCK8,
529 GFC_ISYM_MERGE,
530 GFC_ISYM_MERGE_BITS,
531 GFC_ISYM_MIN,
532 GFC_ISYM_MINEXPONENT,
533 GFC_ISYM_MINLOC,
534 GFC_ISYM_MINVAL,
535 GFC_ISYM_MOD,
536 GFC_ISYM_MODULO,
537 GFC_ISYM_MOVE_ALLOC,
538 GFC_ISYM_MVBITS,
539 GFC_ISYM_NEAREST,
540 GFC_ISYM_NEW_LINE,
541 GFC_ISYM_NINT,
542 GFC_ISYM_NORM2,
543 GFC_ISYM_NOT,
544 GFC_ISYM_NULL,
545 GFC_ISYM_NUM_IMAGES,
546 GFC_ISYM_OR,
547 GFC_ISYM_PACK,
548 GFC_ISYM_PARITY,
549 GFC_ISYM_PERROR,
550 GFC_ISYM_POPCNT,
551 GFC_ISYM_POPPAR,
552 GFC_ISYM_PRECISION,
553 GFC_ISYM_PRESENT,
554 GFC_ISYM_PRODUCT,
555 GFC_ISYM_RADIX,
556 GFC_ISYM_RAND,
557 GFC_ISYM_RANDOM_INIT,
558 GFC_ISYM_RANDOM_NUMBER,
559 GFC_ISYM_RANDOM_SEED,
560 GFC_ISYM_RANGE,
561 GFC_ISYM_RANK,
562 GFC_ISYM_REAL,
563 GFC_ISYM_RENAME,
564 GFC_ISYM_REPEAT,
565 GFC_ISYM_RESHAPE,
566 GFC_ISYM_RRSPACING,
567 GFC_ISYM_RSHIFT,
568 GFC_ISYM_SAME_TYPE_AS,
569 GFC_ISYM_SC_KIND,
570 GFC_ISYM_SCALE,
571 GFC_ISYM_SCAN,
572 GFC_ISYM_SECNDS,
573 GFC_ISYM_SECOND,
574 GFC_ISYM_SET_EXPONENT,
575 GFC_ISYM_SHAPE,
576 GFC_ISYM_SHIFTA,
577 GFC_ISYM_SHIFTL,
578 GFC_ISYM_SHIFTR,
579 GFC_ISYM_BACKTRACE,
580 GFC_ISYM_SIGN,
581 GFC_ISYM_SIGNAL,
582 GFC_ISYM_SI_KIND,
583 GFC_ISYM_SIN,
584 GFC_ISYM_SINH,
585 GFC_ISYM_SIZE,
586 GFC_ISYM_SLEEP,
587 GFC_ISYM_SIZEOF,
588 GFC_ISYM_SPACING,
589 GFC_ISYM_SPREAD,
590 GFC_ISYM_SQRT,
591 GFC_ISYM_SRAND,
592 GFC_ISYM_SR_KIND,
593 GFC_ISYM_STAT,
594 GFC_ISYM_STOPPED_IMAGES,
595 GFC_ISYM_STORAGE_SIZE,
596 GFC_ISYM_STRIDE,
597 GFC_ISYM_SUM,
598 GFC_ISYM_SYMLINK,
599 GFC_ISYM_SYMLNK,
600 GFC_ISYM_SYSTEM,
601 GFC_ISYM_SYSTEM_CLOCK,
602 GFC_ISYM_TAN,
603 GFC_ISYM_TANH,
604 GFC_ISYM_TEAM_NUMBER,
605 GFC_ISYM_THIS_IMAGE,
606 GFC_ISYM_TIME,
607 GFC_ISYM_TIME8,
608 GFC_ISYM_TINY,
609 GFC_ISYM_TRAILZ,
610 GFC_ISYM_TRANSFER,
611 GFC_ISYM_TRANSPOSE,
612 GFC_ISYM_TRIM,
613 GFC_ISYM_TTYNAM,
614 GFC_ISYM_UBOUND,
615 GFC_ISYM_UCOBOUND,
616 GFC_ISYM_UMASK,
617 GFC_ISYM_UNLINK,
618 GFC_ISYM_UNPACK,
619 GFC_ISYM_VERIFY,
620 GFC_ISYM_XOR,
621 GFC_ISYM_Y0,
622 GFC_ISYM_Y1,
623 GFC_ISYM_YN,
624 GFC_ISYM_YN2
627 enum init_local_logical
629 GFC_INIT_LOGICAL_OFF = 0,
630 GFC_INIT_LOGICAL_FALSE,
631 GFC_INIT_LOGICAL_TRUE
634 enum init_local_character
636 GFC_INIT_CHARACTER_OFF = 0,
637 GFC_INIT_CHARACTER_ON
640 enum init_local_integer
642 GFC_INIT_INTEGER_OFF = 0,
643 GFC_INIT_INTEGER_ON
646 enum gfc_reverse
648 GFC_ENABLE_REVERSE,
649 GFC_FORWARD_SET,
650 GFC_REVERSE_SET,
651 GFC_INHIBIT_REVERSE
654 enum gfc_param_spec_type
656 SPEC_EXPLICIT,
657 SPEC_ASSUMED,
658 SPEC_DEFERRED
661 /************************* Structures *****************************/
663 /* Used for keeping things in balanced binary trees. */
664 #define BBT_HEADER(self) int priority; struct self *left, *right
666 #define NAMED_INTCST(a,b,c,d) a,
667 #define NAMED_KINDARRAY(a,b,c,d) a,
668 #define NAMED_FUNCTION(a,b,c,d) a,
669 #define NAMED_SUBROUTINE(a,b,c,d) a,
670 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
671 enum iso_fortran_env_symbol
673 ISOFORTRANENV_INVALID = -1,
674 #include "iso-fortran-env.def"
675 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
677 #undef NAMED_INTCST
678 #undef NAMED_KINDARRAY
679 #undef NAMED_FUNCTION
680 #undef NAMED_SUBROUTINE
681 #undef NAMED_DERIVED_TYPE
683 #define NAMED_INTCST(a,b,c,d) a,
684 #define NAMED_REALCST(a,b,c,d) a,
685 #define NAMED_CMPXCST(a,b,c,d) a,
686 #define NAMED_LOGCST(a,b,c) a,
687 #define NAMED_CHARKNDCST(a,b,c) a,
688 #define NAMED_CHARCST(a,b,c) a,
689 #define DERIVED_TYPE(a,b,c) a,
690 #define NAMED_FUNCTION(a,b,c,d) a,
691 #define NAMED_SUBROUTINE(a,b,c,d) a,
692 enum iso_c_binding_symbol
694 ISOCBINDING_INVALID = -1,
695 #include "iso-c-binding.def"
696 ISOCBINDING_LAST,
697 ISOCBINDING_NUMBER = ISOCBINDING_LAST
699 #undef NAMED_INTCST
700 #undef NAMED_REALCST
701 #undef NAMED_CMPXCST
702 #undef NAMED_LOGCST
703 #undef NAMED_CHARKNDCST
704 #undef NAMED_CHARCST
705 #undef DERIVED_TYPE
706 #undef NAMED_FUNCTION
707 #undef NAMED_SUBROUTINE
709 enum intmod_id
711 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING,
712 INTMOD_IEEE_FEATURES, INTMOD_IEEE_EXCEPTIONS, INTMOD_IEEE_ARITHMETIC
715 typedef struct
717 char name[GFC_MAX_SYMBOL_LEN + 1];
718 int value; /* Used for both integer and character values. */
719 bt f90_type;
721 CInteropKind_t;
723 /* Array of structs, where the structs represent the C interop kinds.
724 The list will be implemented based on a hash of the kind name since
725 these could be accessed multiple times.
726 Declared in trans-types.c as a global, since it's in that file
727 that the list is initialized. */
728 extern CInteropKind_t c_interop_kinds_table[];
731 /* Structure and list of supported extension attributes. */
732 typedef enum
734 EXT_ATTR_DLLIMPORT = 0,
735 EXT_ATTR_DLLEXPORT,
736 EXT_ATTR_STDCALL,
737 EXT_ATTR_CDECL,
738 EXT_ATTR_FASTCALL,
739 EXT_ATTR_NO_ARG_CHECK,
740 EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST
742 ext_attr_id_t;
744 typedef struct
746 const char *name;
747 unsigned id;
748 const char *middle_end_name;
750 ext_attr_t;
752 extern const ext_attr_t ext_attr_list[];
754 /* Symbol attribute structure. */
755 typedef struct
757 /* Variable attributes. */
758 unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1,
759 optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1,
760 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
761 implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1,
762 contiguous:1, fe_temp: 1, automatic: 1;
764 /* For CLASS containers, the pointer attribute is sometimes set internally
765 even though it was not directly specified. In this case, keep the
766 "real" (original) value here. */
767 unsigned class_pointer:1;
769 ENUM_BITFIELD (save_state) save:2;
771 unsigned data:1, /* Symbol is named in a DATA statement. */
772 is_protected:1, /* Symbol has been marked as protected. */
773 use_assoc:1, /* Symbol has been use-associated. */
774 used_in_submodule:1, /* Symbol has been use-associated in a
775 submodule. Needed since these entities must
776 be set host associated to be compliant. */
777 use_only:1, /* Symbol has been use-associated, with ONLY. */
778 use_rename:1, /* Symbol has been use-associated and renamed. */
779 imported:1, /* Symbol has been associated by IMPORT. */
780 host_assoc:1; /* Symbol has been host associated. */
782 unsigned in_namelist:1, in_common:1, in_equivalence:1;
783 unsigned function:1, subroutine:1, procedure:1;
784 unsigned generic:1, generic_copy:1;
785 unsigned implicit_type:1; /* Type defined via implicit rules. */
786 unsigned untyped:1; /* No implicit type could be found. */
788 unsigned is_bind_c:1; /* say if is bound to C. */
789 unsigned extension:8; /* extension level of a derived type. */
790 unsigned is_class:1; /* is a CLASS container. */
791 unsigned class_ok:1; /* is a CLASS object with correct attributes. */
792 unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */
793 unsigned vtype:1; /* is a derived type of a vtab. */
795 /* These flags are both in the typespec and attribute. The attribute
796 list is what gets read from/written to a module file. The typespec
797 is created from a decl being processed. */
798 unsigned is_c_interop:1; /* It's c interoperable. */
799 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
801 /* Function/subroutine attributes */
802 unsigned sequence:1, elemental:1, pure:1, recursive:1;
803 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
805 /* Set if this is a module function or subroutine. Note that it is an
806 attribute because it appears as a prefix in the declaration like
807 PURE, etc.. */
808 unsigned module_procedure:1;
810 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
811 which is relevant for private module procedures. */
812 unsigned public_used:1;
814 /* This is set if a contained procedure could be declared pure. This is
815 used for certain optimizations that require the result or arguments
816 cannot alias. Note that this is zero for PURE procedures. */
817 unsigned implicit_pure:1;
819 /* This is set for a procedure that contains expressions referencing
820 arrays coming from outside its namespace.
821 This is used to force the creation of a temporary when the LHS of
822 an array assignment may be used by an elemental procedure appearing
823 on the RHS. */
824 unsigned array_outer_dependency:1;
826 /* This is set if the subroutine doesn't return. Currently, this
827 is only possible for intrinsic subroutines. */
828 unsigned noreturn:1;
830 /* Set if this procedure is an alternate entry point. These procedures
831 don't have any code associated, and the backend will turn them into
832 thunks to the master function. */
833 unsigned entry:1;
835 /* Set if this is the master function for a procedure with multiple
836 entry points. */
837 unsigned entry_master:1;
839 /* Set if this is the master function for a function with multiple
840 entry points where characteristics of the entry points differ. */
841 unsigned mixed_entry_master:1;
843 /* Set if a function must always be referenced by an explicit interface. */
844 unsigned always_explicit:1;
846 /* Set if the symbol is generated and, hence, standard violations
847 shouldn't be flaged. */
848 unsigned artificial:1;
850 /* Set if the symbol has been referenced in an expression. No further
851 modification of type or type parameters is permitted. */
852 unsigned referenced:1;
854 /* Set if this is the symbol for the main program. */
855 unsigned is_main_program:1;
857 /* Mutually exclusive multibit attributes. */
858 ENUM_BITFIELD (gfc_access) access:2;
859 ENUM_BITFIELD (sym_intent) intent:2;
860 ENUM_BITFIELD (sym_flavor) flavor:4;
861 ENUM_BITFIELD (ifsrc) if_source:2;
863 ENUM_BITFIELD (procedure_type) proc:3;
865 /* Special attributes for Cray pointers, pointees. */
866 unsigned cray_pointer:1, cray_pointee:1;
868 /* The symbol is a derived type with allocatable components, pointer
869 components or private components, procedure pointer components,
870 possibly nested. zero_comp is true if the derived type has no
871 component at all. defined_assign_comp is true if the derived
872 type or a (sub-)component has a typebound defined assignment.
873 unlimited_polymorphic flags the type of the container for these
874 entities. */
875 unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1,
876 private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1,
877 event_comp:1, defined_assign_comp:1, unlimited_polymorphic:1,
878 has_dtio_procs:1, caf_token:1;
880 /* This is a temporary selector for SELECT TYPE or an associate
881 variable for SELECT_TYPE or ASSOCIATE. */
882 unsigned select_type_temporary:1, associate_var:1;
884 /* These are the attributes required for parameterized derived
885 types. */
886 unsigned pdt_kind:1, pdt_len:1, pdt_type:1, pdt_template:1,
887 pdt_array:1, pdt_string:1;
889 /* This is omp_{out,in,priv,orig} artificial variable in
890 !$OMP DECLARE REDUCTION. */
891 unsigned omp_udr_artificial_var:1;
893 /* Mentioned in OMP DECLARE TARGET. */
894 unsigned omp_declare_target:1;
895 unsigned omp_declare_target_link:1;
897 /* Mentioned in OACC DECLARE. */
898 unsigned oacc_declare_create:1;
899 unsigned oacc_declare_copyin:1;
900 unsigned oacc_declare_deviceptr:1;
901 unsigned oacc_declare_device_resident:1;
902 unsigned oacc_declare_link:1;
904 /* This is an OpenACC acclerator function at level N - 1 */
905 unsigned oacc_function:3;
907 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
908 unsigned ext_attr:EXT_ATTR_NUM;
910 /* The namespace where the attribute has been set. */
911 struct gfc_namespace *volatile_ns, *asynchronous_ns;
913 symbol_attribute;
916 /* We need to store source lines as sequences of multibyte source
917 characters. We define here a type wide enough to hold any multibyte
918 source character, just like libcpp does. A 32-bit type is enough. */
920 #if HOST_BITS_PER_INT >= 32
921 typedef unsigned int gfc_char_t;
922 #elif HOST_BITS_PER_LONG >= 32
923 typedef unsigned long gfc_char_t;
924 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
925 typedef unsigned long long gfc_char_t;
926 #else
927 # error "Cannot find an integer type with at least 32 bits"
928 #endif
931 /* The following three structures are used to identify a location in
932 the sources.
934 gfc_file is used to maintain a tree of the source files and how
935 they include each other
937 gfc_linebuf holds a single line of source code and information
938 which file it resides in
940 locus point to the sourceline and the character in the source
941 line.
944 typedef struct gfc_file
946 struct gfc_file *next, *up;
947 int inclusion_line, line;
948 char *filename;
949 } gfc_file;
951 typedef struct gfc_linebuf
953 source_location location;
954 struct gfc_file *file;
955 struct gfc_linebuf *next;
957 int truncated;
958 bool dbg_emitted;
960 gfc_char_t line[1];
961 } gfc_linebuf;
963 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
965 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
967 typedef struct
969 gfc_char_t *nextc;
970 gfc_linebuf *lb;
971 } locus;
973 /* In order for the "gfc" format checking to work correctly, you must
974 have declared a typedef locus first. */
975 #if GCC_VERSION >= 4001
976 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
977 #else
978 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
979 #endif
982 /* Suppress error messages or re-enable them. */
984 void gfc_push_suppress_errors (void);
985 void gfc_pop_suppress_errors (void);
988 /* Character length structures hold the expression that gives the
989 length of a character variable. We avoid putting these into
990 gfc_typespec because doing so prevents us from doing structure
991 copies and forces us to deallocate any typespecs we create, as well
992 as structures that contain typespecs. They also can have multiple
993 character typespecs pointing to them.
995 These structures form a singly linked list within the current
996 namespace and are deallocated with the namespace. It is possible to
997 end up with gfc_charlen structures that have nothing pointing to them. */
999 typedef struct gfc_charlen
1001 struct gfc_expr *length;
1002 struct gfc_charlen *next;
1003 bool length_from_typespec; /* Length from explicit array ctor typespec? */
1004 tree backend_decl;
1005 tree passed_length; /* Length argument explicitly passed. */
1007 int resolved;
1009 gfc_charlen;
1011 #define gfc_get_charlen() XCNEW (gfc_charlen)
1013 /* Type specification structure. */
1014 typedef struct
1016 bt type;
1017 int kind;
1019 union
1021 struct gfc_symbol *derived; /* For derived types only. */
1022 gfc_charlen *cl; /* For character types only. */
1023 int pad; /* For hollerith types only. */
1027 struct gfc_symbol *interface; /* For PROCEDURE declarations. */
1028 int is_c_interop;
1029 int is_iso_c;
1030 bt f90_type;
1031 bool deferred;
1032 gfc_symbol *interop_kind;
1034 gfc_typespec;
1036 /* Array specification. */
1037 typedef struct
1039 int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1040 int corank;
1041 array_type type, cotype;
1042 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
1044 /* These two fields are used with the Cray Pointer extension. */
1045 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
1046 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
1047 AS_EXPLICIT, but we want to remember that we
1048 did this. */
1050 bool resolved;
1052 gfc_array_spec;
1054 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1057 /* Components of derived types. */
1058 typedef struct gfc_component
1060 const char *name;
1061 gfc_typespec ts;
1063 symbol_attribute attr;
1064 gfc_array_spec *as;
1066 tree backend_decl;
1067 /* Used to cache a FIELD_DECL matching this same component
1068 but applied to a different backend containing type that was
1069 generated by gfc_nonrestricted_type. */
1070 tree norestrict_decl;
1071 locus loc;
1072 struct gfc_expr *initializer;
1073 /* Used in parameterized derived type declarations to store parameterized
1074 kind expressions. */
1075 struct gfc_expr *kind_expr;
1076 struct gfc_actual_arglist *param_list;
1078 struct gfc_component *next;
1080 /* Needed for procedure pointer components. */
1081 struct gfc_typebound_proc *tb;
1082 /* When allocatable/pointer and in a coarray the associated token. */
1083 tree caf_token;
1085 gfc_component;
1087 #define gfc_get_component() XCNEW (gfc_component)
1089 /* Formal argument lists are lists of symbols. */
1090 typedef struct gfc_formal_arglist
1092 /* Symbol representing the argument at this position in the arglist. */
1093 struct gfc_symbol *sym;
1094 /* Points to the next formal argument. */
1095 struct gfc_formal_arglist *next;
1097 gfc_formal_arglist;
1099 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1102 /* The gfc_actual_arglist structure is for actual arguments and
1103 for type parameter specification lists. */
1104 typedef struct gfc_actual_arglist
1106 const char *name;
1107 /* Alternate return label when the expr member is null. */
1108 struct gfc_st_label *label;
1110 /* This is set to the type of an eventual omitted optional
1111 argument. This is used to determine if a hidden string length
1112 argument has to be added to a function call. */
1113 bt missing_arg_type;
1115 gfc_param_spec_type spec_type;
1117 struct gfc_expr *expr;
1118 struct gfc_actual_arglist *next;
1120 gfc_actual_arglist;
1122 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1125 /* Because a symbol can belong to multiple namelists, they must be
1126 linked externally to the symbol itself. */
1127 typedef struct gfc_namelist
1129 struct gfc_symbol *sym;
1130 struct gfc_namelist *next;
1132 gfc_namelist;
1134 #define gfc_get_namelist() XCNEW (gfc_namelist)
1136 /* Likewise to gfc_namelist, but contains expressions. */
1137 typedef struct gfc_expr_list
1139 struct gfc_expr *expr;
1140 struct gfc_expr_list *next;
1142 gfc_expr_list;
1144 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1146 enum gfc_omp_reduction_op
1148 OMP_REDUCTION_NONE = -1,
1149 OMP_REDUCTION_PLUS = INTRINSIC_PLUS,
1150 OMP_REDUCTION_MINUS = INTRINSIC_MINUS,
1151 OMP_REDUCTION_TIMES = INTRINSIC_TIMES,
1152 OMP_REDUCTION_AND = INTRINSIC_AND,
1153 OMP_REDUCTION_OR = INTRINSIC_OR,
1154 OMP_REDUCTION_EQV = INTRINSIC_EQV,
1155 OMP_REDUCTION_NEQV = INTRINSIC_NEQV,
1156 OMP_REDUCTION_MAX = GFC_INTRINSIC_END,
1157 OMP_REDUCTION_MIN,
1158 OMP_REDUCTION_IAND,
1159 OMP_REDUCTION_IOR,
1160 OMP_REDUCTION_IEOR,
1161 OMP_REDUCTION_USER
1164 enum gfc_omp_depend_op
1166 OMP_DEPEND_IN,
1167 OMP_DEPEND_OUT,
1168 OMP_DEPEND_INOUT,
1169 OMP_DEPEND_SINK_FIRST,
1170 OMP_DEPEND_SINK
1173 enum gfc_omp_map_op
1175 OMP_MAP_ALLOC,
1176 OMP_MAP_TO,
1177 OMP_MAP_FROM,
1178 OMP_MAP_TOFROM,
1179 OMP_MAP_DELETE,
1180 OMP_MAP_FORCE_ALLOC,
1181 OMP_MAP_FORCE_TO,
1182 OMP_MAP_FORCE_FROM,
1183 OMP_MAP_FORCE_TOFROM,
1184 OMP_MAP_FORCE_PRESENT,
1185 OMP_MAP_FORCE_DEVICEPTR,
1186 OMP_MAP_DEVICE_RESIDENT,
1187 OMP_MAP_LINK,
1188 OMP_MAP_RELEASE,
1189 OMP_MAP_ALWAYS_TO,
1190 OMP_MAP_ALWAYS_FROM,
1191 OMP_MAP_ALWAYS_TOFROM
1194 enum gfc_omp_linear_op
1196 OMP_LINEAR_DEFAULT,
1197 OMP_LINEAR_REF,
1198 OMP_LINEAR_VAL,
1199 OMP_LINEAR_UVAL
1202 /* For use in OpenMP clauses in case we need extra information
1203 (aligned clause alignment, linear clause step, etc.). */
1205 typedef struct gfc_omp_namelist
1207 struct gfc_symbol *sym;
1208 struct gfc_expr *expr;
1209 union
1211 gfc_omp_reduction_op reduction_op;
1212 gfc_omp_depend_op depend_op;
1213 gfc_omp_map_op map_op;
1214 gfc_omp_linear_op linear_op;
1215 struct gfc_common_head *common;
1216 } u;
1217 struct gfc_omp_namelist_udr *udr;
1218 struct gfc_omp_namelist *next;
1219 locus where;
1221 gfc_omp_namelist;
1223 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1225 enum
1227 OMP_LIST_FIRST,
1228 OMP_LIST_PRIVATE = OMP_LIST_FIRST,
1229 OMP_LIST_FIRSTPRIVATE,
1230 OMP_LIST_LASTPRIVATE,
1231 OMP_LIST_COPYPRIVATE,
1232 OMP_LIST_SHARED,
1233 OMP_LIST_COPYIN,
1234 OMP_LIST_UNIFORM,
1235 OMP_LIST_ALIGNED,
1236 OMP_LIST_LINEAR,
1237 OMP_LIST_DEPEND,
1238 OMP_LIST_MAP,
1239 OMP_LIST_TO,
1240 OMP_LIST_FROM,
1241 OMP_LIST_REDUCTION,
1242 OMP_LIST_DEVICE_RESIDENT,
1243 OMP_LIST_LINK,
1244 OMP_LIST_USE_DEVICE,
1245 OMP_LIST_CACHE,
1246 OMP_LIST_IS_DEVICE_PTR,
1247 OMP_LIST_USE_DEVICE_PTR,
1248 OMP_LIST_NUM
1251 /* Because a symbol can belong to multiple namelists, they must be
1252 linked externally to the symbol itself. */
1254 enum gfc_omp_sched_kind
1256 OMP_SCHED_NONE,
1257 OMP_SCHED_STATIC,
1258 OMP_SCHED_DYNAMIC,
1259 OMP_SCHED_GUIDED,
1260 OMP_SCHED_RUNTIME,
1261 OMP_SCHED_AUTO
1264 enum gfc_omp_default_sharing
1266 OMP_DEFAULT_UNKNOWN,
1267 OMP_DEFAULT_NONE,
1268 OMP_DEFAULT_PRIVATE,
1269 OMP_DEFAULT_SHARED,
1270 OMP_DEFAULT_FIRSTPRIVATE,
1271 OMP_DEFAULT_PRESENT
1274 enum gfc_omp_proc_bind_kind
1276 OMP_PROC_BIND_UNKNOWN,
1277 OMP_PROC_BIND_MASTER,
1278 OMP_PROC_BIND_SPREAD,
1279 OMP_PROC_BIND_CLOSE
1282 enum gfc_omp_cancel_kind
1284 OMP_CANCEL_UNKNOWN,
1285 OMP_CANCEL_PARALLEL,
1286 OMP_CANCEL_SECTIONS,
1287 OMP_CANCEL_DO,
1288 OMP_CANCEL_TASKGROUP
1291 enum gfc_omp_if_kind
1293 OMP_IF_PARALLEL,
1294 OMP_IF_TASK,
1295 OMP_IF_TASKLOOP,
1296 OMP_IF_TARGET,
1297 OMP_IF_TARGET_DATA,
1298 OMP_IF_TARGET_UPDATE,
1299 OMP_IF_TARGET_ENTER_DATA,
1300 OMP_IF_TARGET_EXIT_DATA,
1301 OMP_IF_LAST
1304 typedef struct gfc_omp_clauses
1306 struct gfc_expr *if_expr;
1307 struct gfc_expr *final_expr;
1308 struct gfc_expr *num_threads;
1309 gfc_omp_namelist *lists[OMP_LIST_NUM];
1310 enum gfc_omp_sched_kind sched_kind;
1311 struct gfc_expr *chunk_size;
1312 enum gfc_omp_default_sharing default_sharing;
1313 int collapse, orderedc;
1314 bool nowait, ordered, untied, mergeable;
1315 bool inbranch, notinbranch, defaultmap, nogroup;
1316 bool sched_simd, sched_monotonic, sched_nonmonotonic;
1317 bool simd, threads, depend_source;
1318 enum gfc_omp_cancel_kind cancel;
1319 enum gfc_omp_proc_bind_kind proc_bind;
1320 struct gfc_expr *safelen_expr;
1321 struct gfc_expr *simdlen_expr;
1322 struct gfc_expr *num_teams;
1323 struct gfc_expr *device;
1324 struct gfc_expr *thread_limit;
1325 struct gfc_expr *grainsize;
1326 struct gfc_expr *hint;
1327 struct gfc_expr *num_tasks;
1328 struct gfc_expr *priority;
1329 struct gfc_expr *if_exprs[OMP_IF_LAST];
1330 enum gfc_omp_sched_kind dist_sched_kind;
1331 struct gfc_expr *dist_chunk_size;
1332 const char *critical_name;
1334 /* OpenACC. */
1335 struct gfc_expr *async_expr;
1336 struct gfc_expr *gang_static_expr;
1337 struct gfc_expr *gang_num_expr;
1338 struct gfc_expr *worker_expr;
1339 struct gfc_expr *vector_expr;
1340 struct gfc_expr *num_gangs_expr;
1341 struct gfc_expr *num_workers_expr;
1342 struct gfc_expr *vector_length_expr;
1343 gfc_expr_list *wait_list;
1344 gfc_expr_list *tile_list;
1345 unsigned async:1, gang:1, worker:1, vector:1, seq:1, independent:1;
1346 unsigned wait:1, par_auto:1, gang_static:1;
1347 unsigned if_present:1, finalize:1;
1348 locus loc;
1351 gfc_omp_clauses;
1353 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1356 /* Node in the linked list used for storing !$oacc declare constructs. */
1358 typedef struct gfc_oacc_declare
1360 struct gfc_oacc_declare *next;
1361 bool module_var;
1362 gfc_omp_clauses *clauses;
1363 locus loc;
1365 gfc_oacc_declare;
1367 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1370 /* Node in the linked list used for storing !$omp declare simd constructs. */
1372 typedef struct gfc_omp_declare_simd
1374 struct gfc_omp_declare_simd *next;
1375 locus where; /* Where the !$omp declare simd construct occurred. */
1377 gfc_symbol *proc_name;
1379 gfc_omp_clauses *clauses;
1381 gfc_omp_declare_simd;
1382 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1384 typedef struct gfc_omp_udr
1386 struct gfc_omp_udr *next;
1387 locus where; /* Where the !$omp declare reduction construct occurred. */
1389 const char *name;
1390 gfc_typespec ts;
1391 gfc_omp_reduction_op rop;
1393 struct gfc_symbol *omp_out;
1394 struct gfc_symbol *omp_in;
1395 struct gfc_namespace *combiner_ns;
1397 struct gfc_symbol *omp_priv;
1398 struct gfc_symbol *omp_orig;
1399 struct gfc_namespace *initializer_ns;
1401 gfc_omp_udr;
1402 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1404 typedef struct gfc_omp_namelist_udr
1406 struct gfc_omp_udr *udr;
1407 struct gfc_code *combiner;
1408 struct gfc_code *initializer;
1410 gfc_omp_namelist_udr;
1411 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1413 /* The gfc_st_label structure is a BBT attached to a namespace that
1414 records the usage of statement labels within that space. */
1416 typedef struct gfc_st_label
1418 BBT_HEADER(gfc_st_label);
1420 int value;
1422 gfc_sl_type defined, referenced;
1424 struct gfc_expr *format;
1426 tree backend_decl;
1428 locus where;
1430 gfc_namespace *ns;
1432 gfc_st_label;
1435 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1436 typedef struct gfc_interface
1438 struct gfc_symbol *sym;
1439 locus where;
1440 struct gfc_interface *next;
1442 gfc_interface;
1444 #define gfc_get_interface() XCNEW (gfc_interface)
1446 /* User operator nodes. These are like stripped down symbols. */
1447 typedef struct
1449 const char *name;
1451 gfc_interface *op;
1452 struct gfc_namespace *ns;
1453 gfc_access access;
1455 gfc_user_op;
1458 /* A list of specific bindings that are associated with a generic spec. */
1459 typedef struct gfc_tbp_generic
1461 /* The parser sets specific_st, upon resolution we look for the corresponding
1462 gfc_typebound_proc and set specific for further use. */
1463 struct gfc_symtree* specific_st;
1464 struct gfc_typebound_proc* specific;
1466 struct gfc_tbp_generic* next;
1467 bool is_operator;
1469 gfc_tbp_generic;
1471 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1474 /* Data needed for type-bound procedures. */
1475 typedef struct gfc_typebound_proc
1477 locus where; /* Where the PROCEDURE/GENERIC definition was. */
1479 union
1481 struct gfc_symtree* specific; /* The interface if DEFERRED. */
1482 gfc_tbp_generic* generic;
1486 gfc_access access;
1487 const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1489 /* The overridden type-bound proc (or GENERIC with this name in the
1490 parent-type) or NULL if non. */
1491 struct gfc_typebound_proc* overridden;
1493 /* Once resolved, we use the position of pass_arg in the formal arglist of
1494 the binding-target procedure to identify it. The first argument has
1495 number 1 here, the second 2, and so on. */
1496 unsigned pass_arg_num;
1498 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1499 unsigned non_overridable:1;
1500 unsigned deferred:1;
1501 unsigned is_generic:1;
1502 unsigned function:1, subroutine:1;
1503 unsigned error:1; /* Ignore it, when an error occurred during resolution. */
1504 unsigned ppc:1;
1506 gfc_typebound_proc;
1509 /* Symbol nodes. These are important things. They are what the
1510 standard refers to as "entities". The possibly multiple names that
1511 refer to the same entity are accomplished by a binary tree of
1512 symtree structures that is balanced by the red-black method-- more
1513 than one symtree node can point to any given symbol. */
1515 typedef struct gfc_symbol
1517 const char *name; /* Primary name, before renaming */
1518 const char *module; /* Module this symbol came from */
1519 locus declared_at;
1521 gfc_typespec ts;
1522 symbol_attribute attr;
1524 /* The formal member points to the formal argument list if the
1525 symbol is a function or subroutine name. If the symbol is a
1526 generic name, the generic member points to the list of
1527 interfaces. */
1529 gfc_interface *generic;
1530 gfc_access component_access;
1532 gfc_formal_arglist *formal;
1533 struct gfc_namespace *formal_ns;
1534 struct gfc_namespace *f2k_derived;
1536 /* List of PDT parameter expressions */
1537 struct gfc_actual_arglist *param_list;
1539 struct gfc_expr *value; /* Parameter/Initializer value */
1540 gfc_array_spec *as;
1541 struct gfc_symbol *result; /* function result symbol */
1542 gfc_component *components; /* Derived type components */
1544 /* Defined only for Cray pointees; points to their pointer. */
1545 struct gfc_symbol *cp_pointer;
1547 int entry_id; /* Used in resolve.c for entries. */
1549 /* CLASS hashed name for declared and dynamic types in the class. */
1550 int hash_value;
1552 struct gfc_symbol *common_next; /* Links for COMMON syms */
1554 /* This is only used for pointer comparisons to check if symbols
1555 are in the same common block.
1556 In opposition to common_block, the common_head pointer takes into account
1557 equivalences: if A is in a common block C and A and B are in equivalence,
1558 then both A and B have common_head pointing to C, while A's common_block
1559 points to C and B's is NULL. */
1560 struct gfc_common_head* common_head;
1562 /* Make sure setup code for dummy arguments is generated in the correct
1563 order. */
1564 int dummy_order;
1566 gfc_namelist *namelist, *namelist_tail;
1568 /* Change management fields. Symbols that might be modified by the
1569 current statement have the mark member nonzero. Of these symbols,
1570 symbols with old_symbol equal to NULL are symbols created within
1571 the current statement. Otherwise, old_symbol points to a copy of
1572 the old symbol. gfc_new is used in symbol.c to flag new symbols. */
1573 struct gfc_symbol *old_symbol;
1574 unsigned mark:1, gfc_new:1;
1576 /* The tlink field is used in the front end to carry the module
1577 declaration of separate module procedures so that the characteristics
1578 can be compared with the corresponding declaration in a submodule. In
1579 translation this field carries a linked list of symbols that require
1580 deferred initialization. */
1581 struct gfc_symbol *tlink;
1583 /* Nonzero if all equivalences associated with this symbol have been
1584 processed. */
1585 unsigned equiv_built:1;
1586 /* Set if this variable is used as an index name in a FORALL. */
1587 unsigned forall_index:1;
1588 /* Set if the symbol is used in a function result specification . */
1589 unsigned fn_result_spec:1;
1590 /* Used to avoid multiple resolutions of a single symbol. */
1591 unsigned resolved:1;
1592 /* Set if this is a module function or subroutine with the
1593 abreviated declaration in a submodule. */
1594 unsigned abr_modproc_decl:1;
1596 int refs;
1597 struct gfc_namespace *ns; /* namespace containing this symbol */
1599 tree backend_decl;
1601 /* Identity of the intrinsic module the symbol comes from, or
1602 INTMOD_NONE if it's not imported from a intrinsic module. */
1603 intmod_id from_intmod;
1604 /* Identity of the symbol from intrinsic modules, from enums maintained
1605 separately by each intrinsic module. Used together with from_intmod,
1606 it uniquely identifies a symbol from an intrinsic module. */
1607 int intmod_sym_id;
1609 /* This may be repetitive, since the typespec now has a binding
1610 label field. */
1611 const char* binding_label;
1612 /* Store a reference to the common_block, if this symbol is in one. */
1613 struct gfc_common_head *common_block;
1615 /* Link to corresponding association-list if this is an associate name. */
1616 struct gfc_association_list *assoc;
1618 gfc_symbol;
1621 struct gfc_undo_change_set
1623 vec<gfc_symbol *> syms;
1624 vec<gfc_typebound_proc *> tbps;
1625 gfc_undo_change_set *previous;
1629 /* This structure is used to keep track of symbols in common blocks. */
1630 typedef struct gfc_common_head
1632 locus where;
1633 char use_assoc, saved, threadprivate;
1634 unsigned char omp_declare_target : 1;
1635 unsigned char omp_declare_target_link : 1;
1636 char name[GFC_MAX_SYMBOL_LEN + 1];
1637 struct gfc_symbol *head;
1638 const char* binding_label;
1639 int is_bind_c;
1640 int refs;
1642 gfc_common_head;
1644 #define gfc_get_common_head() XCNEW (gfc_common_head)
1647 /* A list of all the alternate entry points for a procedure. */
1649 typedef struct gfc_entry_list
1651 /* The symbol for this entry point. */
1652 gfc_symbol *sym;
1653 /* The zero-based id of this entry point. */
1654 int id;
1655 /* The LABEL_EXPR marking this entry point. */
1656 tree label;
1657 /* The next item in the list. */
1658 struct gfc_entry_list *next;
1660 gfc_entry_list;
1662 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1664 /* Lists of rename info for the USE statement. */
1666 typedef struct gfc_use_rename
1668 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
1669 struct gfc_use_rename *next;
1670 int found;
1671 gfc_intrinsic_op op;
1672 locus where;
1674 gfc_use_rename;
1676 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1678 /* A list of all USE statements in a namespace. */
1680 typedef struct gfc_use_list
1682 const char *module_name;
1683 const char *submodule_name;
1684 bool intrinsic;
1685 bool non_intrinsic;
1686 bool only_flag;
1687 struct gfc_use_rename *rename;
1688 locus where;
1689 /* Next USE statement. */
1690 struct gfc_use_list *next;
1692 gfc_use_list;
1694 #define gfc_get_use_list() XCNEW (gfc_use_list)
1696 /* Within a namespace, symbols are pointed to by symtree nodes that
1697 are linked together in a balanced binary tree. There can be
1698 several symtrees pointing to the same symbol node via USE
1699 statements. */
1701 typedef struct gfc_symtree
1703 BBT_HEADER (gfc_symtree);
1704 const char *name;
1705 int ambiguous;
1706 union
1708 gfc_symbol *sym; /* Symbol associated with this node */
1709 gfc_user_op *uop;
1710 gfc_common_head *common;
1711 gfc_typebound_proc *tb;
1712 gfc_omp_udr *omp_udr;
1716 gfc_symtree;
1718 /* A linked list of derived types in the namespace. */
1719 typedef struct gfc_dt_list
1721 struct gfc_symbol *derived;
1722 struct gfc_dt_list *next;
1724 gfc_dt_list;
1726 #define gfc_get_dt_list() XCNEW (gfc_dt_list)
1728 /* A list of all derived types. */
1729 extern gfc_dt_list *gfc_derived_types;
1731 typedef struct gfc_oacc_routine_name
1733 struct gfc_symbol *sym;
1734 struct gfc_omp_clauses *clauses;
1735 struct gfc_oacc_routine_name *next;
1737 gfc_oacc_routine_name;
1739 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1741 /* A namespace describes the contents of procedure, module, interface block
1742 or BLOCK construct. */
1743 /* ??? Anything else use these? */
1745 typedef struct gfc_namespace
1747 /* Tree containing all the symbols in this namespace. */
1748 gfc_symtree *sym_root;
1749 /* Tree containing all the user-defined operators in the namespace. */
1750 gfc_symtree *uop_root;
1751 /* Tree containing all the common blocks. */
1752 gfc_symtree *common_root;
1753 /* Tree containing all the OpenMP user defined reductions. */
1754 gfc_symtree *omp_udr_root;
1756 /* Tree containing type-bound procedures. */
1757 gfc_symtree *tb_sym_root;
1758 /* Type-bound user operators. */
1759 gfc_symtree *tb_uop_root;
1760 /* For derived-types, store type-bound intrinsic operators here. */
1761 gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS];
1762 /* Linked list of finalizer procedures. */
1763 struct gfc_finalizer *finalizers;
1765 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1766 int set_flag[GFC_LETTERS];
1767 /* Keeps track of the implicit types associated with the letters. */
1768 gfc_typespec default_type[GFC_LETTERS];
1769 /* Store the positions of IMPLICIT statements. */
1770 locus implicit_loc[GFC_LETTERS];
1772 /* If this is a namespace of a procedure, this points to the procedure. */
1773 struct gfc_symbol *proc_name;
1774 /* If this is the namespace of a unit which contains executable
1775 code, this points to it. */
1776 struct gfc_code *code;
1778 /* Points to the equivalences set up in this namespace. */
1779 struct gfc_equiv *equiv, *old_equiv;
1781 /* Points to the equivalence groups produced by trans_common. */
1782 struct gfc_equiv_list *equiv_lists;
1784 gfc_interface *op[GFC_INTRINSIC_OPS];
1786 /* Points to the parent namespace, i.e. the namespace of a module or
1787 procedure in which the procedure belonging to this namespace is
1788 contained. The parent namespace points to this namespace either
1789 directly via CONTAINED, or indirectly via the chain built by
1790 SIBLING. */
1791 struct gfc_namespace *parent;
1792 /* CONTAINED points to the first contained namespace. Sibling
1793 namespaces are chained via SIBLING. */
1794 struct gfc_namespace *contained, *sibling;
1796 gfc_common_head blank_common;
1797 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
1799 gfc_st_label *st_labels;
1800 /* This list holds information about all the data initializers in
1801 this namespace. */
1802 struct gfc_data *data, *old_data;
1804 /* !$ACC DECLARE. */
1805 gfc_oacc_declare *oacc_declare;
1807 /* !$ACC ROUTINE clauses. */
1808 gfc_omp_clauses *oacc_routine_clauses;
1810 /* !$ACC ROUTINE names. */
1811 gfc_oacc_routine_name *oacc_routine_names;
1813 gfc_charlen *cl_list;
1815 gfc_dt_list *derived_types;
1817 int save_all, seen_save, seen_implicit_none;
1819 /* Normally we don't need to refcount namespaces. However when we read
1820 a module containing a function with multiple entry points, this
1821 will appear as several functions with the same formal namespace. */
1822 int refs;
1824 /* A list of all alternate entry points to this procedure (or NULL). */
1825 gfc_entry_list *entries;
1827 /* A list of USE statements in this namespace. */
1828 gfc_use_list *use_stmts;
1830 /* Linked list of !$omp declare simd constructs. */
1831 struct gfc_omp_declare_simd *omp_declare_simd;
1833 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1834 unsigned is_block_data:1;
1836 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1837 unsigned has_import_set:1;
1839 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1840 unsigned has_implicit_none_export:1;
1842 /* Set to 1 if resolved has been called for this namespace.
1843 Holds -1 during resolution. */
1844 signed resolved:2;
1846 /* Set when resolve_types has been called for this namespace. */
1847 unsigned types_resolved:1;
1849 /* Set to 1 if code has been generated for this namespace. */
1850 unsigned translated:1;
1852 /* Set to 1 if symbols in this namespace should be 'construct entities',
1853 i.e. for BLOCK local variables. */
1854 unsigned construct_entities:1;
1856 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1857 unsigned omp_udr_ns:1;
1859 /* Set to 1 for !$ACC ROUTINE namespaces. */
1860 unsigned oacc_routine:1;
1862 gfc_namespace;
1864 extern gfc_namespace *gfc_current_ns;
1865 extern gfc_namespace *gfc_global_ns_list;
1867 /* Global symbols are symbols of global scope. Currently we only use
1868 this to detect collisions already when parsing.
1869 TODO: Extend to verify procedure calls. */
1871 enum gfc_symbol_type
1873 GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
1874 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA
1877 typedef struct gfc_gsymbol
1879 BBT_HEADER(gfc_gsymbol);
1881 const char *name;
1882 const char *sym_name;
1883 const char *mod_name;
1884 const char *binding_label;
1885 enum gfc_symbol_type type;
1887 int defined, used;
1888 locus where;
1889 gfc_namespace *ns;
1891 gfc_gsymbol;
1893 extern gfc_gsymbol *gfc_gsym_root;
1895 /* Information on interfaces being built. */
1896 typedef struct
1898 interface_type type;
1899 gfc_symbol *sym;
1900 gfc_namespace *ns;
1901 gfc_user_op *uop;
1902 gfc_intrinsic_op op;
1904 gfc_interface_info;
1906 extern gfc_interface_info current_interface;
1909 /* Array reference. */
1911 enum gfc_array_ref_dimen_type
1913 DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN
1916 typedef struct gfc_array_ref
1918 ar_type type;
1919 int dimen; /* # of components in the reference */
1920 int codimen;
1921 bool in_allocate; /* For coarray checks. */
1922 gfc_expr *team;
1923 gfc_expr *stat;
1924 locus where;
1925 gfc_array_spec *as;
1927 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
1928 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
1929 *stride[GFC_MAX_DIMENSIONS];
1931 enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS];
1933 gfc_array_ref;
1935 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1938 /* Component reference nodes. A variable is stored as an expression
1939 node that points to the base symbol. After that, a singly linked
1940 list of component reference nodes gives the variable's complete
1941 resolution. The array_ref component may be present and comes
1942 before the component component. */
1944 enum ref_type
1945 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING };
1947 typedef struct gfc_ref
1949 ref_type type;
1951 union
1953 struct gfc_array_ref ar;
1955 struct
1957 gfc_component *component;
1958 gfc_symbol *sym;
1962 struct
1964 struct gfc_expr *start, *end; /* Substring */
1965 gfc_charlen *length;
1972 struct gfc_ref *next;
1974 gfc_ref;
1976 #define gfc_get_ref() XCNEW (gfc_ref)
1979 /* Structures representing intrinsic symbols and their arguments lists. */
1980 typedef struct gfc_intrinsic_arg
1982 char name[GFC_MAX_SYMBOL_LEN + 1];
1984 gfc_typespec ts;
1985 unsigned optional:1, value:1;
1986 ENUM_BITFIELD (sym_intent) intent:2;
1987 gfc_actual_arglist *actual;
1989 struct gfc_intrinsic_arg *next;
1992 gfc_intrinsic_arg;
1995 /* Specifies the various kinds of check functions used to verify the
1996 argument lists of intrinsic functions. fX with X an integer refer
1997 to check functions of intrinsics with X arguments. f1m is used for
1998 the MAX and MIN intrinsics which can have an arbitrary number of
1999 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2000 these have special semantics. */
2002 typedef union
2004 bool (*f0)(void);
2005 bool (*f1)(struct gfc_expr *);
2006 bool (*f1m)(gfc_actual_arglist *);
2007 bool (*f2)(struct gfc_expr *, struct gfc_expr *);
2008 bool (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2009 bool (*f5ml)(gfc_actual_arglist *);
2010 bool (*f3red)(gfc_actual_arglist *);
2011 bool (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2012 struct gfc_expr *);
2013 bool (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2014 struct gfc_expr *, struct gfc_expr *);
2016 gfc_check_f;
2018 /* Like gfc_check_f, these specify the type of the simplification
2019 function associated with an intrinsic. The fX are just like in
2020 gfc_check_f. cc is used for type conversion functions. */
2022 typedef union
2024 struct gfc_expr *(*f0)(void);
2025 struct gfc_expr *(*f1)(struct gfc_expr *);
2026 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
2027 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
2028 struct gfc_expr *);
2029 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
2030 struct gfc_expr *, struct gfc_expr *);
2031 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
2032 struct gfc_expr *, struct gfc_expr *,
2033 struct gfc_expr *);
2034 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
2036 gfc_simplify_f;
2038 /* Again like gfc_check_f, these specify the type of the resolution
2039 function associated with an intrinsic. The fX are just like in
2040 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2042 typedef union
2044 void (*f0)(struct gfc_expr *);
2045 void (*f1)(struct gfc_expr *, struct gfc_expr *);
2046 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
2047 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2048 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2049 struct gfc_expr *);
2050 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2051 struct gfc_expr *, struct gfc_expr *);
2052 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2053 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2054 void (*s1)(struct gfc_code *);
2056 gfc_resolve_f;
2059 typedef struct gfc_intrinsic_sym
2061 const char *name, *lib_name;
2062 gfc_intrinsic_arg *formal;
2063 gfc_typespec ts;
2064 unsigned elemental:1, inquiry:1, transformational:1, pure:1,
2065 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1,
2066 from_module:1, vararg:1;
2068 int standard;
2070 gfc_simplify_f simplify;
2071 gfc_check_f check;
2072 gfc_resolve_f resolve;
2073 struct gfc_intrinsic_sym *specific_head, *next;
2074 gfc_isym_id id;
2077 gfc_intrinsic_sym;
2080 /* Expression nodes. The expression node types deserve explanations,
2081 since the last couple can be easily misconstrued:
2083 EXPR_OP Operator node pointing to one or two other nodes
2084 EXPR_FUNCTION Function call, symbol points to function's name
2085 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2086 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2087 which expresses structure, array and substring refs.
2088 EXPR_NULL The NULL pointer value (which also has a basic type).
2089 EXPR_SUBSTRING A substring of a constant string
2090 EXPR_STRUCTURE A structure constructor
2091 EXPR_ARRAY An array constructor.
2092 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2093 component or type-bound procedure. */
2095 #include <mpfr.h>
2096 #include <mpc.h>
2097 #define GFC_RND_MODE GMP_RNDN
2098 #define GFC_MPC_RND_MODE MPC_RNDNN
2100 typedef splay_tree gfc_constructor_base;
2103 /* This should be an unsigned variable of type size_t. But to handle
2104 compiling to a 64-bit target from a 32-bit host, we need to use a
2105 HOST_WIDE_INT. Also, occasionally the string length field is used
2106 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2107 So it needs to be signed. */
2108 typedef HOST_WIDE_INT gfc_charlen_t;
2110 typedef struct gfc_expr
2112 expr_t expr_type;
2114 gfc_typespec ts; /* These two refer to the overall expression */
2116 int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */
2117 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
2119 /* Nonnull for functions and structure constructors, may also used to hold the
2120 base-object for component calls. */
2121 gfc_symtree *symtree;
2123 gfc_ref *ref;
2125 locus where;
2127 /* Used to store the base expression in component calls, when the expression
2128 is not a variable. */
2129 struct gfc_expr *base_expr;
2131 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
2132 denotes a signalling not-a-number. */
2133 unsigned int is_boz : 1, is_snan : 1;
2135 /* Sometimes, when an error has been emitted, it is necessary to prevent
2136 it from recurring. */
2137 unsigned int error : 1;
2139 /* Mark an expression where a user operator has been substituted by
2140 a function call in interface.c(gfc_extend_expr). */
2141 unsigned int user_operator : 1;
2143 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2144 unsigned int mold : 1;
2146 /* Will require finalization after use. */
2147 unsigned int must_finalize : 1;
2149 /* Set this if no range check should be performed on this expression. */
2151 unsigned int no_bounds_check : 1;
2153 /* If an expression comes from a Hollerith constant or compile-time
2154 evaluation of a transfer statement, it may have a prescribed target-
2155 memory representation, and these cannot always be backformed from
2156 the value. */
2157 struct
2159 gfc_charlen_t length;
2160 char *string;
2162 representation;
2164 union
2166 int logical;
2168 io_kind iokind;
2170 mpz_t integer;
2172 mpfr_t real;
2174 mpc_t complex;
2176 struct
2178 gfc_intrinsic_op op;
2179 gfc_user_op *uop;
2180 struct gfc_expr *op1, *op2;
2184 struct
2186 gfc_actual_arglist *actual;
2187 const char *name; /* Points to the ultimate name of the function */
2188 gfc_intrinsic_sym *isym;
2189 gfc_symbol *esym;
2191 function;
2193 struct
2195 gfc_actual_arglist* actual;
2196 const char* name;
2197 /* Base-object, whose component was called. NULL means that it should
2198 be taken from symtree/ref. */
2199 struct gfc_expr* base_object;
2200 gfc_typebound_proc* tbp; /* Should overlap with esym. */
2202 /* For type-bound operators, we want to call PASS procedures but already
2203 have the full arglist; mark this, so that it is not extended by the
2204 PASS argument. */
2205 unsigned ignore_pass:1;
2207 /* Do assign-calls rather than calls, that is appropriate dependency
2208 checking. */
2209 unsigned assign:1;
2211 compcall;
2213 struct
2215 gfc_charlen_t length;
2216 gfc_char_t *string;
2218 character;
2220 gfc_constructor_base constructor;
2222 value;
2224 /* Used to store PDT expression lists associated with expressions. */
2225 gfc_actual_arglist *param_list;
2228 gfc_expr;
2231 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2233 /* Structures for information associated with different kinds of
2234 numbers. The first set of integer parameters define all there is
2235 to know about a particular kind. The rest of the elements are
2236 computed from the first elements. */
2238 typedef struct
2240 /* Values really representable by the target. */
2241 mpz_t huge, pedantic_min_int, min_int;
2243 int kind, radix, digits, bit_size, range;
2245 /* True if the C type of the given name maps to this precision.
2246 Note that more than one bit can be set. */
2247 unsigned int c_char : 1;
2248 unsigned int c_short : 1;
2249 unsigned int c_int : 1;
2250 unsigned int c_long : 1;
2251 unsigned int c_long_long : 1;
2253 gfc_integer_info;
2255 extern gfc_integer_info gfc_integer_kinds[];
2258 typedef struct
2260 int kind, bit_size;
2262 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2263 unsigned int c_bool : 1;
2265 gfc_logical_info;
2267 extern gfc_logical_info gfc_logical_kinds[];
2270 typedef struct
2272 mpfr_t epsilon, huge, tiny, subnormal;
2273 int kind, radix, digits, min_exponent, max_exponent;
2274 int range, precision;
2276 /* The precision of the type as reported by GET_MODE_PRECISION. */
2277 int mode_precision;
2279 /* True if the C type of the given name maps to this precision.
2280 Note that more than one bit can be set. */
2281 unsigned int c_float : 1;
2282 unsigned int c_double : 1;
2283 unsigned int c_long_double : 1;
2284 unsigned int c_float128 : 1;
2286 gfc_real_info;
2288 extern gfc_real_info gfc_real_kinds[];
2290 typedef struct
2292 int kind, bit_size;
2293 const char *name;
2295 gfc_character_info;
2297 extern gfc_character_info gfc_character_kinds[];
2300 /* Equivalence structures. Equivalent lvalues are linked along the
2301 *eq pointer, equivalence sets are strung along the *next node. */
2302 typedef struct gfc_equiv
2304 struct gfc_equiv *next, *eq;
2305 gfc_expr *expr;
2306 const char *module;
2307 int used;
2309 gfc_equiv;
2311 #define gfc_get_equiv() XCNEW (gfc_equiv)
2313 /* Holds a single equivalence member after processing. */
2314 typedef struct gfc_equiv_info
2316 gfc_symbol *sym;
2317 HOST_WIDE_INT offset;
2318 HOST_WIDE_INT length;
2319 struct gfc_equiv_info *next;
2320 } gfc_equiv_info;
2322 /* Holds equivalence groups, after they have been processed. */
2323 typedef struct gfc_equiv_list
2325 gfc_equiv_info *equiv;
2326 struct gfc_equiv_list *next;
2327 } gfc_equiv_list;
2329 /* gfc_case stores the selector list of a case statement. The *low
2330 and *high pointers can point to the same expression in the case of
2331 a single value. If *high is NULL, the selection is from *low
2332 upwards, if *low is NULL the selection is *high downwards.
2334 This structure has separate fields to allow single and double linked
2335 lists of CASEs at the same time. The singe linked list along the NEXT
2336 field is a list of cases for a single CASE label. The double linked
2337 list along the LEFT/RIGHT fields is used to detect overlap and to
2338 build a table of the cases for SELECT constructs with a CHARACTER
2339 case expression. */
2341 typedef struct gfc_case
2343 /* Where we saw this case. */
2344 locus where;
2345 int n;
2347 /* Case range values. If (low == high), it's a single value. If one of
2348 the labels is NULL, it's an unbounded case. If both are NULL, this
2349 represents the default case. */
2350 gfc_expr *low, *high;
2352 /* Only used for SELECT TYPE. */
2353 gfc_typespec ts;
2355 /* Next case label in the list of cases for a single CASE label. */
2356 struct gfc_case *next;
2358 /* Used for detecting overlap, and for code generation. */
2359 struct gfc_case *left, *right;
2361 /* True if this case label can never be matched. */
2362 int unreachable;
2364 gfc_case;
2366 #define gfc_get_case() XCNEW (gfc_case)
2369 typedef struct
2371 gfc_expr *var, *start, *end, *step;
2372 unsigned short unroll;
2374 gfc_iterator;
2376 #define gfc_get_iterator() XCNEW (gfc_iterator)
2379 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2381 typedef struct gfc_alloc
2383 gfc_expr *expr;
2384 struct gfc_alloc *next;
2386 gfc_alloc;
2388 #define gfc_get_alloc() XCNEW (gfc_alloc)
2391 typedef struct
2393 gfc_expr *unit, *file, *status, *access, *form, *recl,
2394 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
2395 *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit,
2396 *share, *cc;
2397 char readonly;
2398 gfc_st_label *err;
2400 gfc_open;
2403 typedef struct
2405 gfc_expr *unit, *status, *iostat, *iomsg;
2406 gfc_st_label *err;
2408 gfc_close;
2411 typedef struct
2413 gfc_expr *unit, *iostat, *iomsg;
2414 gfc_st_label *err;
2416 gfc_filepos;
2419 typedef struct
2421 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
2422 *name, *access, *sequential, *direct, *form, *formatted,
2423 *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
2424 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
2425 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id,
2426 *iqstream, *share, *cc;
2428 gfc_st_label *err;
2431 gfc_inquire;
2434 typedef struct
2436 gfc_expr *unit, *iostat, *iomsg, *id;
2437 gfc_st_label *err, *end, *eor;
2439 gfc_wait;
2442 typedef struct
2444 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
2445 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
2446 *sign, *extra_comma, *dt_io_kind, *udtio;
2447 char dec_ext;
2449 gfc_symbol *namelist;
2450 /* A format_label of `format_asterisk' indicates the "*" format */
2451 gfc_st_label *format_label;
2452 gfc_st_label *err, *end, *eor;
2454 locus eor_where, end_where, err_where;
2456 gfc_dt;
2459 typedef struct gfc_forall_iterator
2461 gfc_expr *var, *start, *end, *stride;
2462 struct gfc_forall_iterator *next;
2464 gfc_forall_iterator;
2467 /* Linked list to store associations in an ASSOCIATE statement. */
2469 typedef struct gfc_association_list
2471 struct gfc_association_list *next;
2473 /* Whether this is association to a variable that can be changed; otherwise,
2474 it's association to an expression and the name may not be used as
2475 lvalue. */
2476 unsigned variable:1;
2478 /* True if this struct is currently only linked to from a gfc_symbol rather
2479 than as part of a real list in gfc_code->ext.block.assoc. This may
2480 happen for SELECT TYPE temporaries and must be considered
2481 for memory handling. */
2482 unsigned dangling:1;
2484 /* True when the rank of the target expression is guessed during parsing. */
2485 unsigned rankguessed:1;
2487 char name[GFC_MAX_SYMBOL_LEN + 1];
2488 gfc_symtree *st; /* Symtree corresponding to name. */
2489 locus where;
2491 gfc_expr *target;
2493 gfc_association_list;
2494 #define gfc_get_association_list() XCNEW (gfc_association_list)
2497 /* Executable statements that fill gfc_code structures. */
2498 enum gfc_exec_op
2500 EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN,
2501 EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP,
2502 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
2503 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
2504 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE,
2505 EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
2506 EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE,
2507 EXEC_SELECT_TYPE, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, EXEC_SYNC_IMAGES,
2508 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
2509 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
2510 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
2511 EXEC_FORM_TEAM, EXEC_CHANGE_TEAM, EXEC_END_TEAM, EXEC_SYNC_TEAM,
2512 EXEC_LOCK, EXEC_UNLOCK, EXEC_EVENT_POST, EXEC_EVENT_WAIT, EXEC_FAIL_IMAGE,
2513 EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP, EXEC_OACC_ROUTINE,
2514 EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_DATA, EXEC_OACC_HOST_DATA,
2515 EXEC_OACC_LOOP, EXEC_OACC_UPDATE, EXEC_OACC_WAIT, EXEC_OACC_CACHE,
2516 EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA, EXEC_OACC_ATOMIC,
2517 EXEC_OACC_DECLARE,
2518 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
2519 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
2520 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
2521 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
2522 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
2523 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT,
2524 EXEC_OMP_TASKYIELD, EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
2525 EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
2526 EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
2527 EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
2528 EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
2529 EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
2530 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
2531 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
2532 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
2533 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
2534 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
2535 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
2536 EXEC_OMP_TARGET_UPDATE, EXEC_OMP_END_CRITICAL,
2537 EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA,
2538 EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO,
2539 EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD,
2540 EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD
2543 enum gfc_omp_atomic_op
2545 GFC_OMP_ATOMIC_UPDATE = 0,
2546 GFC_OMP_ATOMIC_READ = 1,
2547 GFC_OMP_ATOMIC_WRITE = 2,
2548 GFC_OMP_ATOMIC_CAPTURE = 3,
2549 GFC_OMP_ATOMIC_MASK = 3,
2550 GFC_OMP_ATOMIC_SEQ_CST = 4,
2551 GFC_OMP_ATOMIC_SWAP = 8
2554 typedef struct gfc_code
2556 gfc_exec_op op;
2558 struct gfc_code *block, *next;
2559 locus loc;
2561 gfc_st_label *here, *label1, *label2, *label3;
2562 gfc_symtree *symtree;
2563 gfc_expr *expr1, *expr2, *expr3, *expr4;
2564 /* A name isn't sufficient to identify a subroutine, we need the actual
2565 symbol for the interface definition.
2566 const char *sub_name; */
2567 gfc_symbol *resolved_sym;
2568 gfc_intrinsic_sym *resolved_isym;
2570 union
2572 gfc_actual_arglist *actual;
2573 gfc_iterator *iterator;
2575 struct
2577 gfc_typespec ts;
2578 gfc_alloc *list;
2579 /* Take the array specification from expr3 to allocate arrays
2580 without an explicit array specification. */
2581 unsigned arr_spec_from_expr3:1;
2583 alloc;
2585 struct
2587 gfc_namespace *ns;
2588 gfc_association_list *assoc;
2589 gfc_case *case_list;
2591 block;
2593 gfc_open *open;
2594 gfc_close *close;
2595 gfc_filepos *filepos;
2596 gfc_inquire *inquire;
2597 gfc_wait *wait;
2598 gfc_dt *dt;
2599 gfc_forall_iterator *forall_iterator;
2600 struct gfc_code *which_construct;
2601 int stop_code;
2602 gfc_entry_list *entry;
2603 gfc_oacc_declare *oacc_declare;
2604 gfc_omp_clauses *omp_clauses;
2605 const char *omp_name;
2606 gfc_omp_namelist *omp_namelist;
2607 bool omp_bool;
2608 gfc_omp_atomic_op omp_atomic;
2610 ext; /* Points to additional structures required by statement */
2612 /* Cycle and break labels in constructs. */
2613 tree cycle_label;
2614 tree exit_label;
2616 gfc_code;
2619 /* Storage for DATA statements. */
2620 typedef struct gfc_data_variable
2622 gfc_expr *expr;
2623 gfc_iterator iter;
2624 struct gfc_data_variable *list, *next;
2626 gfc_data_variable;
2629 typedef struct gfc_data_value
2631 mpz_t repeat;
2632 gfc_expr *expr;
2633 struct gfc_data_value *next;
2635 gfc_data_value;
2638 typedef struct gfc_data
2640 gfc_data_variable *var;
2641 gfc_data_value *value;
2642 locus where;
2644 struct gfc_data *next;
2646 gfc_data;
2649 /* Structure for holding compile options */
2650 typedef struct
2652 char *module_dir;
2653 gfc_source_form source_form;
2654 int max_continue_fixed;
2655 int max_continue_free;
2656 int max_identifier_length;
2658 int max_errors;
2660 int flag_preprocessed;
2661 int flag_d_lines;
2662 int flag_init_integer;
2663 int flag_init_integer_value;
2664 int flag_init_logical;
2665 int flag_init_character;
2666 char flag_init_character_value;
2668 int fpe;
2669 int fpe_summary;
2670 int rtcheck;
2672 int warn_std;
2673 int allow_std;
2675 gfc_option_t;
2677 extern gfc_option_t gfc_option;
2679 /* Constructor nodes for array and structure constructors. */
2680 typedef struct gfc_constructor
2682 gfc_constructor_base base;
2683 mpz_t offset; /* Offset within a constructor, used as
2684 key within base. */
2686 gfc_expr *expr;
2687 gfc_iterator *iterator;
2688 locus where;
2690 union
2692 gfc_component *component; /* Record the component being initialized. */
2695 mpz_t repeat; /* Record the repeat number of initial values in data
2696 statement like "data a/5*10/". */
2698 gfc_constructor;
2701 typedef struct iterator_stack
2703 gfc_symtree *variable;
2704 mpz_t value;
2705 struct iterator_stack *prev;
2707 iterator_stack;
2708 extern iterator_stack *iter_stack;
2711 /* Used for (possibly nested) SELECT TYPE statements. */
2712 typedef struct gfc_select_type_stack
2714 gfc_symbol *selector; /* Current selector variable. */
2715 gfc_symtree *tmp; /* Current temporary variable. */
2716 struct gfc_select_type_stack *prev; /* Previous element on stack. */
2718 gfc_select_type_stack;
2719 extern gfc_select_type_stack *select_type_stack;
2720 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2723 /* Node in the linked list used for storing finalizer procedures. */
2725 typedef struct gfc_finalizer
2727 struct gfc_finalizer* next;
2728 locus where; /* Where the FINAL declaration occurred. */
2730 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2731 symtree and later need only that. This way, we can access and call the
2732 finalizers from every context as they should be "always accessible". I
2733 don't make this a union because we need the information whether proc_sym is
2734 still referenced or not for dereferencing it on deleting a gfc_finalizer
2735 structure. */
2736 gfc_symbol* proc_sym;
2737 gfc_symtree* proc_tree;
2739 gfc_finalizer;
2740 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2743 /************************ Function prototypes *************************/
2745 /* decl.c */
2746 bool gfc_in_match_data (void);
2747 match gfc_match_char_spec (gfc_typespec *);
2748 extern int directive_unroll;
2750 /* Handling Parameterized Derived Types */
2751 bool gfc_insert_kind_parameter_exprs (gfc_expr *);
2752 bool gfc_insert_parameter_exprs (gfc_expr *, gfc_actual_arglist *);
2753 match gfc_get_pdt_instance (gfc_actual_arglist *, gfc_symbol **,
2754 gfc_actual_arglist **);
2756 /* scanner.c */
2757 void gfc_scanner_done_1 (void);
2758 void gfc_scanner_init_1 (void);
2760 void gfc_add_include_path (const char *, bool, bool, bool);
2761 void gfc_add_intrinsic_modules_path (const char *);
2762 void gfc_release_include_path (void);
2763 FILE *gfc_open_included_file (const char *, bool, bool);
2765 int gfc_at_end (void);
2766 int gfc_at_eof (void);
2767 int gfc_at_bol (void);
2768 int gfc_at_eol (void);
2769 void gfc_advance_line (void);
2770 int gfc_check_include (void);
2771 int gfc_define_undef_line (void);
2773 int gfc_wide_is_printable (gfc_char_t);
2774 int gfc_wide_is_digit (gfc_char_t);
2775 int gfc_wide_fits_in_byte (gfc_char_t);
2776 gfc_char_t gfc_wide_tolower (gfc_char_t);
2777 gfc_char_t gfc_wide_toupper (gfc_char_t);
2778 size_t gfc_wide_strlen (const gfc_char_t *);
2779 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
2780 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
2781 char *gfc_widechar_to_char (const gfc_char_t *, int);
2782 gfc_char_t *gfc_char_to_widechar (const char *);
2784 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2786 void gfc_skip_comments (void);
2787 gfc_char_t gfc_next_char_literal (gfc_instring);
2788 gfc_char_t gfc_next_char (void);
2789 char gfc_next_ascii_char (void);
2790 gfc_char_t gfc_peek_char (void);
2791 char gfc_peek_ascii_char (void);
2792 void gfc_error_recovery (void);
2793 void gfc_gobble_whitespace (void);
2794 bool gfc_new_file (void);
2795 const char * gfc_read_orig_filename (const char *, const char **);
2797 extern gfc_source_form gfc_current_form;
2798 extern const char *gfc_source_file;
2799 extern locus gfc_current_locus;
2801 void gfc_start_source_files (void);
2802 void gfc_end_source_files (void);
2804 /* misc.c */
2805 void gfc_clear_ts (gfc_typespec *);
2806 FILE *gfc_open_file (const char *);
2807 const char *gfc_basic_typename (bt);
2808 const char *gfc_typename (gfc_typespec *);
2809 const char *gfc_op2string (gfc_intrinsic_op);
2810 const char *gfc_code2string (const mstring *, int);
2811 int gfc_string2code (const mstring *, const char *);
2812 const char *gfc_intent_string (sym_intent);
2814 void gfc_init_1 (void);
2815 void gfc_init_2 (void);
2816 void gfc_done_1 (void);
2817 void gfc_done_2 (void);
2819 int get_c_kind (const char *, CInteropKind_t *);
2821 const char *gfc_closest_fuzzy_match (const char *, char **);
2822 static inline void
2823 vec_push (char **&optr, size_t &osz, const char *elt)
2825 /* {auto,}vec.safe_push () replacement. Don't ask.. */
2826 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
2827 optr = XRESIZEVEC (char *, optr, osz + 2);
2828 optr[osz] = CONST_CAST (char *, elt);
2829 optr[++osz] = NULL;
2832 HOST_WIDE_INT gfc_mpz_get_hwi (mpz_t);
2833 void gfc_mpz_set_hwi (mpz_t, const HOST_WIDE_INT);
2835 /* options.c */
2836 unsigned int gfc_option_lang_mask (void);
2837 void gfc_init_options_struct (struct gcc_options *);
2838 void gfc_init_options (unsigned int,
2839 struct cl_decoded_option *);
2840 bool gfc_handle_option (size_t, const char *, int, int, location_t,
2841 const struct cl_option_handlers *);
2842 bool gfc_post_options (const char **);
2843 char *gfc_get_option_string (void);
2845 /* f95-lang.c */
2846 void gfc_maybe_initialize_eh (void);
2848 /* iresolve.c */
2849 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
2850 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
2852 /* error.c */
2853 void gfc_error_init_1 (void);
2854 void gfc_diagnostics_init (void);
2855 void gfc_diagnostics_finish (void);
2856 void gfc_buffer_error (bool);
2858 const char *gfc_print_wide_char (gfc_char_t);
2860 bool gfc_warning (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2861 bool gfc_warning_now (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2862 bool gfc_warning_internal (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2863 bool gfc_warning_now_at (location_t loc, int opt, const char *gmsgid, ...)
2864 ATTRIBUTE_GCC_GFC(3,4);
2866 void gfc_clear_warning (void);
2867 void gfc_warning_check (void);
2869 void gfc_error_opt (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2870 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2871 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2872 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2873 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
2874 void gfc_clear_error (void);
2875 bool gfc_error_check (void);
2876 bool gfc_error_flag_test (void);
2878 notification gfc_notification_std (int);
2879 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2881 /* A general purpose syntax error. */
2882 #define gfc_syntax_error(ST) \
2883 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2885 #include "pretty-print.h" /* For output_buffer. */
2886 struct gfc_error_buffer
2888 bool flag;
2889 output_buffer buffer;
2890 gfc_error_buffer(void) : flag(false), buffer() {}
2893 void gfc_push_error (gfc_error_buffer *);
2894 void gfc_pop_error (gfc_error_buffer *);
2895 void gfc_free_error (gfc_error_buffer *);
2897 void gfc_get_errors (int *, int *);
2898 void gfc_errors_to_warnings (bool);
2900 /* arith.c */
2901 void gfc_arith_init_1 (void);
2902 void gfc_arith_done_1 (void);
2903 arith gfc_check_integer_range (mpz_t p, int kind);
2904 bool gfc_check_character_range (gfc_char_t, int);
2906 /* trans-types.c */
2907 bool gfc_check_any_c_kind (gfc_typespec *);
2908 int gfc_validate_kind (bt, int, bool);
2909 int gfc_get_int_kind_from_width_isofortranenv (int size);
2910 int gfc_get_real_kind_from_width_isofortranenv (int size);
2911 tree gfc_get_union_type (gfc_symbol *);
2912 tree gfc_get_derived_type (gfc_symbol * derived, int codimen = 0);
2913 extern int gfc_index_integer_kind;
2914 extern int gfc_default_integer_kind;
2915 extern int gfc_max_integer_kind;
2916 extern int gfc_default_real_kind;
2917 extern int gfc_default_double_kind;
2918 extern int gfc_default_character_kind;
2919 extern int gfc_default_logical_kind;
2920 extern int gfc_default_complex_kind;
2921 extern int gfc_c_int_kind;
2922 extern int gfc_atomic_int_kind;
2923 extern int gfc_atomic_logical_kind;
2924 extern int gfc_intio_kind;
2925 extern int gfc_charlen_int_kind;
2926 extern int gfc_size_kind;
2927 extern int gfc_numeric_storage_size;
2928 extern int gfc_character_storage_size;
2930 #define gfc_logical_4_kind 4
2931 #define gfc_integer_4_kind 4
2933 /* symbol.c */
2934 void gfc_clear_new_implicit (void);
2935 bool gfc_add_new_implicit_range (int, int);
2936 bool gfc_merge_new_implicit (gfc_typespec *);
2937 void gfc_set_implicit_none (bool, bool, locus *);
2938 void gfc_check_function_type (gfc_namespace *);
2939 bool gfc_is_intrinsic_typename (const char *);
2941 gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *);
2942 bool gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
2944 void gfc_set_sym_referenced (gfc_symbol *);
2946 bool gfc_add_attribute (symbol_attribute *, locus *);
2947 bool gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *);
2948 bool gfc_add_allocatable (symbol_attribute *, locus *);
2949 bool gfc_add_codimension (symbol_attribute *, const char *, locus *);
2950 bool gfc_add_contiguous (symbol_attribute *, const char *, locus *);
2951 bool gfc_add_dimension (symbol_attribute *, const char *, locus *);
2952 bool gfc_add_external (symbol_attribute *, locus *);
2953 bool gfc_add_intrinsic (symbol_attribute *, locus *);
2954 bool gfc_add_optional (symbol_attribute *, locus *);
2955 bool gfc_add_kind (symbol_attribute *, locus *);
2956 bool gfc_add_len (symbol_attribute *, locus *);
2957 bool gfc_add_pointer (symbol_attribute *, locus *);
2958 bool gfc_add_cray_pointer (symbol_attribute *, locus *);
2959 bool gfc_add_cray_pointee (symbol_attribute *, locus *);
2960 match gfc_mod_pointee_as (gfc_array_spec *);
2961 bool gfc_add_protected (symbol_attribute *, const char *, locus *);
2962 bool gfc_add_result (symbol_attribute *, const char *, locus *);
2963 bool gfc_add_automatic (symbol_attribute *, const char *, locus *);
2964 bool gfc_add_save (symbol_attribute *, save_state, const char *, locus *);
2965 bool gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
2966 bool gfc_add_omp_declare_target (symbol_attribute *, const char *, locus *);
2967 bool gfc_add_omp_declare_target_link (symbol_attribute *, const char *,
2968 locus *);
2969 bool gfc_add_saved_common (symbol_attribute *, locus *);
2970 bool gfc_add_target (symbol_attribute *, locus *);
2971 bool gfc_add_dummy (symbol_attribute *, const char *, locus *);
2972 bool gfc_add_generic (symbol_attribute *, const char *, locus *);
2973 bool gfc_add_common (symbol_attribute *, locus *);
2974 bool gfc_add_in_common (symbol_attribute *, const char *, locus *);
2975 bool gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
2976 bool gfc_add_data (symbol_attribute *, const char *, locus *);
2977 bool gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
2978 bool gfc_add_sequence (symbol_attribute *, const char *, locus *);
2979 bool gfc_add_elemental (symbol_attribute *, locus *);
2980 bool gfc_add_pure (symbol_attribute *, locus *);
2981 bool gfc_add_recursive (symbol_attribute *, locus *);
2982 bool gfc_add_function (symbol_attribute *, const char *, locus *);
2983 bool gfc_add_subroutine (symbol_attribute *, const char *, locus *);
2984 bool gfc_add_volatile (symbol_attribute *, const char *, locus *);
2985 bool gfc_add_asynchronous (symbol_attribute *, const char *, locus *);
2986 bool gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
2987 bool gfc_add_abstract (symbol_attribute* attr, locus* where);
2989 bool gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
2990 bool gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
2991 bool gfc_add_extension (symbol_attribute *, locus *);
2992 bool gfc_add_value (symbol_attribute *, const char *, locus *);
2993 bool gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
2994 bool gfc_add_entry (symbol_attribute *, const char *, locus *);
2995 bool gfc_add_procedure (symbol_attribute *, procedure_type,
2996 const char *, locus *);
2997 bool gfc_add_intent (symbol_attribute *, sym_intent, locus *);
2998 bool gfc_add_explicit_interface (gfc_symbol *, ifsrc,
2999 gfc_formal_arglist *, locus *);
3000 bool gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
3002 void gfc_clear_attr (symbol_attribute *);
3003 bool gfc_missing_attr (symbol_attribute *, locus *);
3004 bool gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
3005 int gfc_copy_dummy_sym (gfc_symbol **, gfc_symbol *, int);
3006 bool gfc_add_component (gfc_symbol *, const char *, gfc_component **);
3007 gfc_symbol *gfc_use_derived (gfc_symbol *);
3008 gfc_symtree *gfc_use_derived_tree (gfc_symtree *);
3009 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool,
3010 gfc_ref **);
3012 gfc_st_label *gfc_get_st_label (int);
3013 void gfc_free_st_label (gfc_st_label *);
3014 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
3015 bool gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
3017 gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
3018 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
3019 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
3020 void gfc_delete_symtree (gfc_symtree **, const char *);
3021 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
3022 gfc_user_op *gfc_get_uop (const char *);
3023 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
3024 void gfc_free_symbol (gfc_symbol *);
3025 void gfc_release_symbol (gfc_symbol *);
3026 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *);
3027 gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *);
3028 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
3029 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
3030 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **);
3031 bool gfc_verify_c_interop (gfc_typespec *);
3032 bool gfc_verify_c_interop_param (gfc_symbol *);
3033 bool verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
3034 bool verify_bind_c_derived_type (gfc_symbol *);
3035 bool verify_com_block_vars_c_interop (gfc_common_head *);
3036 gfc_symtree *generate_isocbinding_symbol (const char *, iso_c_binding_symbol,
3037 const char *, gfc_symtree *, bool);
3038 void gfc_save_symbol_data (gfc_symbol *);
3039 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool);
3040 int gfc_get_ha_symbol (const char *, gfc_symbol **);
3041 int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
3043 void gfc_drop_last_undo_checkpoint (void);
3044 void gfc_restore_last_undo_checkpoint (void);
3045 void gfc_undo_symbols (void);
3046 void gfc_commit_symbols (void);
3047 void gfc_commit_symbol (gfc_symbol *);
3048 gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *);
3049 void gfc_free_charlen (gfc_charlen *, gfc_charlen *);
3050 void gfc_free_namespace (gfc_namespace *);
3052 void gfc_symbol_init_2 (void);
3053 void gfc_symbol_done_2 (void);
3055 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
3056 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
3057 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
3058 void gfc_save_all (gfc_namespace *);
3060 void gfc_enforce_clean_symbol_state (void);
3061 void gfc_free_dt_list (void);
3064 gfc_gsymbol *gfc_get_gsymbol (const char *);
3065 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
3066 gfc_gsymbol *gfc_find_case_gsymbol (gfc_gsymbol *, const char *);
3068 gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*);
3069 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
3070 gfc_symbol* gfc_get_ultimate_derived_super_type (gfc_symbol*);
3071 bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *);
3072 bool gfc_type_compatible (gfc_typespec *, gfc_typespec *);
3074 void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *,
3075 gfc_actual_arglist *);
3077 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */
3079 bool gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
3080 gfc_namespace* gfc_find_proc_namespace (gfc_namespace*);
3082 bool gfc_is_associate_pointer (gfc_symbol*);
3083 gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *);
3084 gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *);
3086 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3087 extern bool gfc_init_expr_flag;
3089 /* Given a symbol that we have decided is intrinsic, mark it as such
3090 by placing it into a special module that is otherwise impossible to
3091 read or write. */
3093 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3095 void gfc_intrinsic_init_1 (void);
3096 void gfc_intrinsic_done_1 (void);
3098 char gfc_type_letter (bt);
3099 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
3100 bool gfc_convert_type (gfc_expr *, gfc_typespec *, int);
3101 bool gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int);
3102 bool gfc_convert_chartype (gfc_expr *, gfc_typespec *);
3103 int gfc_generic_intrinsic (const char *);
3104 int gfc_specific_intrinsic (const char *);
3105 bool gfc_is_intrinsic (gfc_symbol*, int, locus);
3106 int gfc_intrinsic_actual_ok (const char *, const bool);
3107 gfc_intrinsic_sym *gfc_find_function (const char *);
3108 gfc_intrinsic_sym *gfc_find_subroutine (const char *);
3109 gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id);
3110 gfc_intrinsic_sym *gfc_intrinsic_subroutine_by_id (gfc_isym_id);
3111 gfc_isym_id gfc_isym_id_by_intmod (intmod_id, int);
3112 gfc_isym_id gfc_isym_id_by_intmod_sym (gfc_symbol *);
3115 match gfc_intrinsic_func_interface (gfc_expr *, int);
3116 match gfc_intrinsic_sub_interface (gfc_code *, int);
3118 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
3119 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
3120 bool, locus);
3122 /* match.c -- FIXME */
3123 void gfc_free_iterator (gfc_iterator *, int);
3124 void gfc_free_forall_iterator (gfc_forall_iterator *);
3125 void gfc_free_alloc_list (gfc_alloc *);
3126 void gfc_free_namelist (gfc_namelist *);
3127 void gfc_free_omp_namelist (gfc_omp_namelist *);
3128 void gfc_free_equiv (gfc_equiv *);
3129 void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *);
3130 void gfc_free_data (gfc_data *);
3131 void gfc_reject_data (gfc_namespace *);
3132 void gfc_free_case_list (gfc_case *);
3134 /* matchexp.c -- FIXME too? */
3135 gfc_expr *gfc_get_parentheses (gfc_expr *);
3137 /* openmp.c */
3138 struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; };
3139 void gfc_free_omp_clauses (gfc_omp_clauses *);
3140 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare *);
3141 void gfc_free_omp_declare_simd (gfc_omp_declare_simd *);
3142 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd *);
3143 void gfc_free_omp_udr (gfc_omp_udr *);
3144 gfc_omp_udr *gfc_omp_udr_find (gfc_symtree *, gfc_typespec *);
3145 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
3146 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *, bool);
3147 void gfc_resolve_omp_local_vars (gfc_namespace *);
3148 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
3149 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
3150 void gfc_resolve_omp_declare_simd (gfc_namespace *);
3151 void gfc_resolve_omp_udrs (gfc_symtree *);
3152 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *);
3153 void gfc_omp_restore_state (struct gfc_omp_saved_state *);
3154 void gfc_free_expr_list (gfc_expr_list *);
3155 void gfc_resolve_oacc_directive (gfc_code *, gfc_namespace *);
3156 void gfc_resolve_oacc_declare (gfc_namespace *);
3157 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code *, gfc_namespace *);
3158 void gfc_resolve_oacc_blocks (gfc_code *, gfc_namespace *);
3160 /* expr.c */
3161 void gfc_free_actual_arglist (gfc_actual_arglist *);
3162 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
3164 bool gfc_extract_int (gfc_expr *, int *, int = 0);
3165 bool gfc_extract_hwi (gfc_expr *, HOST_WIDE_INT *, int = 0);
3167 bool is_subref_array (gfc_expr *);
3168 bool gfc_is_simply_contiguous (gfc_expr *, bool, bool);
3169 bool gfc_check_init_expr (gfc_expr *);
3171 gfc_expr *gfc_build_conversion (gfc_expr *);
3172 void gfc_free_ref_list (gfc_ref *);
3173 void gfc_type_convert_binary (gfc_expr *, int);
3174 bool gfc_is_constant_expr (gfc_expr *);
3175 bool gfc_simplify_expr (gfc_expr *, int);
3176 int gfc_has_vector_index (gfc_expr *);
3178 gfc_expr *gfc_get_expr (void);
3179 gfc_expr *gfc_get_array_expr (bt type, int kind, locus *);
3180 gfc_expr *gfc_get_null_expr (locus *);
3181 gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *);
3182 gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *);
3183 gfc_expr *gfc_get_constant_expr (bt, int, locus *);
3184 gfc_expr *gfc_get_character_expr (int, locus *, const char *, gfc_charlen_t len);
3185 gfc_expr *gfc_get_int_expr (int, locus *, HOST_WIDE_INT);
3186 gfc_expr *gfc_get_logical_expr (int, locus *, bool);
3187 gfc_expr *gfc_get_iokind_expr (locus *, io_kind);
3189 void gfc_clear_shape (mpz_t *shape, int rank);
3190 void gfc_free_shape (mpz_t **shape, int rank);
3191 void gfc_free_expr (gfc_expr *);
3192 void gfc_replace_expr (gfc_expr *, gfc_expr *);
3193 mpz_t *gfc_copy_shape (mpz_t *, int);
3194 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
3195 gfc_expr *gfc_copy_expr (gfc_expr *);
3196 gfc_ref* gfc_copy_ref (gfc_ref*);
3198 bool gfc_specification_expr (gfc_expr *);
3200 int gfc_numeric_ts (gfc_typespec *);
3201 int gfc_kind_max (gfc_expr *, gfc_expr *);
3203 bool gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3;
3204 bool gfc_check_assign (gfc_expr *, gfc_expr *, int, bool c = true);
3205 bool gfc_check_pointer_assign (gfc_expr *, gfc_expr *);
3206 bool gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *);
3208 gfc_expr *gfc_build_default_init_expr (gfc_typespec *, locus *);
3209 gfc_expr *gfc_build_init_expr (gfc_typespec *, locus *, bool);
3210 void gfc_apply_init (gfc_typespec *, symbol_attribute *, gfc_expr *);
3211 bool gfc_has_default_initializer (gfc_symbol *);
3212 gfc_expr *gfc_default_initializer (gfc_typespec *);
3213 gfc_expr *gfc_generate_initializer (gfc_typespec *, bool);
3214 gfc_expr *gfc_get_variable_expr (gfc_symtree *);
3215 void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *);
3216 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
3218 gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr);
3220 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
3221 bool (*)(gfc_expr *, gfc_symbol *, int*),
3222 int);
3223 void gfc_expr_set_symbols_referenced (gfc_expr *);
3224 bool gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
3225 bool gfc_derived_parameter_expr (gfc_expr *);
3226 gfc_param_spec_type gfc_spec_list_type (gfc_actual_arglist *, gfc_symbol *);
3227 gfc_component * gfc_get_proc_ptr_comp (gfc_expr *);
3228 bool gfc_is_proc_ptr_comp (gfc_expr *);
3229 bool gfc_is_alloc_class_scalar_function (gfc_expr *);
3230 bool gfc_is_class_array_function (gfc_expr *);
3232 bool gfc_ref_this_image (gfc_ref *ref);
3233 bool gfc_is_coindexed (gfc_expr *);
3234 bool gfc_is_coarray (gfc_expr *);
3235 int gfc_get_corank (gfc_expr *);
3236 bool gfc_has_ultimate_allocatable (gfc_expr *);
3237 bool gfc_has_ultimate_pointer (gfc_expr *);
3238 gfc_expr* gfc_find_team_co (gfc_expr *);
3239 gfc_expr* gfc_find_stat_co (gfc_expr *);
3240 gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*,
3241 locus, unsigned, ...);
3242 bool gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*);
3245 /* st.c */
3246 extern gfc_code new_st;
3248 void gfc_clear_new_st (void);
3249 gfc_code *gfc_get_code (gfc_exec_op);
3250 gfc_code *gfc_append_code (gfc_code *, gfc_code *);
3251 void gfc_free_statement (gfc_code *);
3252 void gfc_free_statements (gfc_code *);
3253 void gfc_free_association_list (gfc_association_list *);
3255 /* resolve.c */
3256 bool gfc_resolve_expr (gfc_expr *);
3257 void gfc_resolve (gfc_namespace *);
3258 void gfc_resolve_code (gfc_code *, gfc_namespace *);
3259 void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
3260 int gfc_impure_variable (gfc_symbol *);
3261 int gfc_pure (gfc_symbol *);
3262 int gfc_implicit_pure (gfc_symbol *);
3263 void gfc_unset_implicit_pure (gfc_symbol *);
3264 int gfc_elemental (gfc_symbol *);
3265 bool gfc_resolve_iterator (gfc_iterator *, bool, bool);
3266 bool find_forall_index (gfc_expr *, gfc_symbol *, int);
3267 bool gfc_resolve_index (gfc_expr *, int);
3268 bool gfc_resolve_dim_arg (gfc_expr *);
3269 bool gfc_is_formal_arg (void);
3270 void gfc_resolve_substring_charlen (gfc_expr *);
3271 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *);
3272 gfc_expr *gfc_expr_to_initialize (gfc_expr *);
3273 bool gfc_type_is_extensible (gfc_symbol *);
3274 bool gfc_resolve_intrinsic (gfc_symbol *, locus *);
3275 bool gfc_explicit_interface_required (gfc_symbol *, char *, int);
3276 extern int gfc_do_concurrent_flag;
3277 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree *);
3280 /* array.c */
3281 gfc_iterator *gfc_copy_iterator (gfc_iterator *);
3283 void gfc_free_array_spec (gfc_array_spec *);
3284 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
3286 bool gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
3287 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
3288 bool gfc_resolve_array_spec (gfc_array_spec *, int);
3290 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
3292 void gfc_simplify_iterator_var (gfc_expr *);
3293 bool gfc_expand_constructor (gfc_expr *, bool);
3294 int gfc_constant_ac (gfc_expr *);
3295 int gfc_expanded_ac (gfc_expr *);
3296 bool gfc_resolve_character_array_constructor (gfc_expr *);
3297 bool gfc_resolve_array_constructor (gfc_expr *);
3298 bool gfc_check_constructor_type (gfc_expr *);
3299 bool gfc_check_iter_variable (gfc_expr *);
3300 bool gfc_check_constructor (gfc_expr *, bool (*)(gfc_expr *));
3301 bool gfc_array_size (gfc_expr *, mpz_t *);
3302 bool gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
3303 bool gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
3304 gfc_array_ref *gfc_find_array_ref (gfc_expr *, bool a = false);
3305 tree gfc_conv_array_initializer (tree type, gfc_expr *);
3306 bool spec_size (gfc_array_spec *, mpz_t *);
3307 bool spec_dimen_size (gfc_array_spec *, int, mpz_t *);
3308 bool gfc_is_compile_time_shape (gfc_array_spec *);
3310 bool gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *);
3313 /* interface.c -- FIXME: some of these should be in symbol.c */
3314 void gfc_free_interface (gfc_interface *);
3315 bool gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
3316 bool gfc_compare_types (gfc_typespec *, gfc_typespec *);
3317 bool gfc_check_dummy_characteristics (gfc_symbol *, gfc_symbol *,
3318 bool, char *, int);
3319 bool gfc_check_result_characteristics (gfc_symbol *, gfc_symbol *,
3320 char *, int);
3321 bool gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int,
3322 char *, int, const char *, const char *);
3323 void gfc_check_interfaces (gfc_namespace *);
3324 bool gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
3325 void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *);
3326 gfc_symbol *gfc_search_interface (gfc_interface *, int,
3327 gfc_actual_arglist **);
3328 match gfc_extend_expr (gfc_expr *);
3329 void gfc_free_formal_arglist (gfc_formal_arglist *);
3330 bool gfc_extend_assign (gfc_code *, gfc_namespace *);
3331 bool gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus);
3332 bool gfc_add_interface (gfc_symbol *);
3333 gfc_interface *gfc_current_interface_head (void);
3334 void gfc_set_current_interface_head (gfc_interface *);
3335 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
3336 bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
3337 bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus);
3338 bool gfc_has_vector_subscript (gfc_expr*);
3339 gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op);
3340 bool gfc_check_typebound_override (gfc_symtree*, gfc_symtree*);
3341 void gfc_check_dtio_interfaces (gfc_symbol*);
3342 gfc_symtree* gfc_find_typebound_dtio_proc (gfc_symbol *, bool, bool);
3343 gfc_symbol* gfc_find_specific_dtio_proc (gfc_symbol*, bool, bool);
3346 /* io.c */
3347 extern gfc_st_label format_asterisk;
3349 void gfc_free_open (gfc_open *);
3350 bool gfc_resolve_open (gfc_open *);
3351 void gfc_free_close (gfc_close *);
3352 bool gfc_resolve_close (gfc_close *);
3353 void gfc_free_filepos (gfc_filepos *);
3354 bool gfc_resolve_filepos (gfc_filepos *);
3355 void gfc_free_inquire (gfc_inquire *);
3356 bool gfc_resolve_inquire (gfc_inquire *);
3357 void gfc_free_dt (gfc_dt *);
3358 bool gfc_resolve_dt (gfc_dt *, locus *);
3359 void gfc_free_wait (gfc_wait *);
3360 bool gfc_resolve_wait (gfc_wait *);
3361 extern bool async_io_dt;
3363 /* module.c */
3364 void gfc_module_init_2 (void);
3365 void gfc_module_done_2 (void);
3366 void gfc_dump_module (const char *, int);
3367 bool gfc_check_symbol_access (gfc_symbol *);
3368 void gfc_free_use_stmts (gfc_use_list *);
3369 const char *gfc_dt_lower_string (const char *);
3370 const char *gfc_dt_upper_string (const char *);
3372 /* primary.c */
3373 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
3374 symbol_attribute gfc_expr_attr (gfc_expr *);
3375 symbol_attribute gfc_caf_attr (gfc_expr *, bool i = false, bool *r = NULL);
3376 match gfc_match_rvalue (gfc_expr **);
3377 match gfc_match_varspec (gfc_expr*, int, bool, bool);
3378 int gfc_check_digit (char, int);
3379 bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *);
3380 bool gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *,
3381 gfc_expr **,
3382 gfc_actual_arglist **, bool);
3384 /* trans.c */
3385 void gfc_generate_code (gfc_namespace *);
3386 void gfc_generate_module_code (gfc_namespace *);
3388 /* trans-intrinsic.c */
3389 bool gfc_inline_intrinsic_function_p (gfc_expr *);
3391 /* bbt.c */
3392 typedef int (*compare_fn) (void *, void *);
3393 void gfc_insert_bbt (void *, void *, compare_fn);
3394 void gfc_delete_bbt (void *, void *, compare_fn);
3396 /* dump-parse-tree.c */
3397 void gfc_dump_parse_tree (gfc_namespace *, FILE *);
3398 void gfc_dump_c_prototypes (gfc_namespace *, FILE *);
3400 /* parse.c */
3401 bool gfc_parse_file (void);
3402 void gfc_global_used (gfc_gsymbol *, locus *);
3403 gfc_namespace* gfc_build_block_ns (gfc_namespace *);
3405 /* dependency.c */
3406 int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool);
3407 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
3408 bool gfc_dep_difference (gfc_expr *, gfc_expr *, mpz_t *);
3410 /* check.c */
3411 bool gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*);
3412 bool gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*,
3413 size_t*, size_t*, size_t*);
3415 /* class.c */
3416 void gfc_fix_class_refs (gfc_expr *e);
3417 void gfc_add_component_ref (gfc_expr *, const char *);
3418 void gfc_add_class_array_ref (gfc_expr *);
3419 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3420 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3421 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3422 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3423 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3424 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3425 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3426 bool gfc_is_class_array_ref (gfc_expr *, bool *);
3427 bool gfc_is_class_scalar_expr (gfc_expr *);
3428 bool gfc_is_class_container_ref (gfc_expr *e);
3429 gfc_expr *gfc_class_initializer (gfc_typespec *, gfc_expr *);
3430 unsigned int gfc_hash_value (gfc_symbol *);
3431 gfc_expr *gfc_get_len_component (gfc_expr *e);
3432 bool gfc_build_class_symbol (gfc_typespec *, symbol_attribute *,
3433 gfc_array_spec **);
3434 gfc_symbol *gfc_find_derived_vtab (gfc_symbol *);
3435 gfc_symbol *gfc_find_vtab (gfc_typespec *);
3436 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, bool*,
3437 const char*, bool, locus*);
3438 gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, bool*,
3439 const char*, bool, locus*);
3440 gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, bool*,
3441 gfc_intrinsic_op, bool,
3442 locus*);
3443 gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*);
3444 bool gfc_is_finalizable (gfc_symbol *, gfc_expr **);
3446 #define CLASS_DATA(sym) sym->ts.u.derived->components
3447 #define UNLIMITED_POLY(sym) \
3448 (sym != NULL && sym->ts.type == BT_CLASS \
3449 && CLASS_DATA (sym) \
3450 && CLASS_DATA (sym)->ts.u.derived \
3451 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3452 #define IS_CLASS_ARRAY(sym) \
3453 (sym->ts.type == BT_CLASS \
3454 && CLASS_DATA (sym) \
3455 && CLASS_DATA (sym)->attr.dimension \
3456 && !CLASS_DATA (sym)->attr.class_pointer)
3458 /* frontend-passes.c */
3460 void gfc_run_passes (gfc_namespace *);
3462 typedef int (*walk_code_fn_t) (gfc_code **, int *, void *);
3463 typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *);
3465 int gfc_dummy_code_callback (gfc_code **, int *, void *);
3466 int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *);
3467 int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *);
3469 /* simplify.c */
3471 void gfc_convert_mpz_to_signed (mpz_t, int);
3472 gfc_expr *gfc_simplify_ieee_functions (gfc_expr *);
3473 bool gfc_is_size_zero_array (gfc_expr *);
3475 /* trans-array.c */
3477 bool gfc_is_reallocatable_lhs (gfc_expr *);
3479 /* trans-decl.c */
3481 void finish_oacc_declare (gfc_namespace *, gfc_symbol *, bool);
3483 #endif /* GCC_GFORTRAN_H */