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1 : /* gfortran header file
2 : Copyright (C) 2000-2026 Free Software Foundation, Inc.
3 : Contributed by Andy Vaught
4 :
5 : This file is part of GCC.
6 :
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.
11 :
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.
16 :
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/>. */
20 :
21 : #ifndef GCC_GFORTRAN_H
22 : #define GCC_GFORTRAN_H
23 :
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. */
29 :
30 : #ifndef GCC_CORETYPES_H
31 : #error "gfortran.h must be included after coretypes.h"
32 : #endif
33 :
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
46 :
47 : /* Declarations common to the front-end and library are put in
48 : libgfortran/libgfortran_frontend.h */
49 : #include "libgfortran.h"
50 :
51 :
52 : #include "intl.h"
53 : #include "splay-tree.h"
54 :
55 : /* Major control parameters. */
56 :
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. */
59 :
60 : #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
61 :
62 :
63 : #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
64 :
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
73 :
74 : /* Stringization. */
75 : #define stringize(x) expand_macro(x)
76 : #define expand_macro(x) # x
77 :
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
84 :
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
93 :
94 : #define BLANK_COMMON_NAME "__BLNK__"
95 :
96 : /* Macro to initialize an mstring structure. */
97 : #define minit(s, t) { s, NULL, t }
98 :
99 : /* Structure for storing strings to be matched by gfc_match_string. */
100 : typedef struct
101 : {
102 : const char *string;
103 : const char *mp;
104 : int tag;
105 : }
106 : mstring;
107 :
108 : /* ISO_Fortran_binding.h
109 : CAUTION: This has to be kept in sync with libgfortran. */
110 :
111 : #define CFI_type_kind_shift 8
112 : #define CFI_type_mask 0xFF
113 : #define CFI_type_from_type_kind(t, k) (t + (k << CFI_type_kind_shift))
114 :
115 : /* Constants, defined as macros. */
116 : #define CFI_VERSION 1
117 : #define CFI_MAX_RANK 15
118 :
119 : /* Attributes. */
120 : #define CFI_attribute_pointer 0
121 : #define CFI_attribute_allocatable 1
122 : #define CFI_attribute_other 2
123 :
124 : #define CFI_type_mask 0xFF
125 : #define CFI_type_kind_shift 8
126 :
127 : /* Intrinsic types. Their kind number defines their storage size. */
128 : #define CFI_type_Integer 1
129 : #define CFI_type_Logical 2
130 : #define CFI_type_Real 3
131 : #define CFI_type_Complex 4
132 : #define CFI_type_Character 5
133 :
134 : /* Combined type (for more, see ISO_Fortran_binding.h). */
135 : #define CFI_type_ucs4_char (CFI_type_Character + (4 << CFI_type_kind_shift))
136 :
137 : /* Types with no kind. */
138 : #define CFI_type_struct 6
139 : #define CFI_type_cptr 7
140 : #define CFI_type_cfunptr 8
141 : #define CFI_type_other -1
142 :
143 :
144 : /*************************** Enums *****************************/
145 :
146 : /* Used when matching and resolving data I/O transfer statements. */
147 :
148 : enum io_kind
149 : { M_READ, M_WRITE, M_PRINT, M_INQUIRE };
150 :
151 :
152 : /* These are flags for identifying whether we are reading a character literal
153 : between quotes or normal source code. */
154 :
155 : enum gfc_instring
156 : { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN };
157 :
158 : /* This is returned by gfc_notification_std to know if, given the flags
159 : that were given (-std=, -pedantic) we should issue an error, a warning
160 : or nothing. */
161 :
162 : enum notification
163 : { SILENT, WARNING, ERROR };
164 :
165 : /* Matchers return one of these three values. The difference between
166 : MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
167 : successful, but that something non-syntactic is wrong and an error
168 : has already been issued. */
169 :
170 : enum match
171 : { MATCH_NO = 1, MATCH_YES, MATCH_ERROR };
172 :
173 : /* Used for different Fortran source forms in places like scanner.cc. */
174 : enum gfc_source_form
175 : { FORM_FREE, FORM_FIXED, FORM_UNKNOWN };
176 :
177 : /* Expression node types. */
178 : enum expr_t
179 : {
180 : EXPR_UNKNOWN = 0,
181 : EXPR_OP = 1,
182 : EXPR_FUNCTION,
183 : EXPR_CONSTANT,
184 : EXPR_VARIABLE,
185 : EXPR_SUBSTRING,
186 : EXPR_STRUCTURE,
187 : EXPR_ARRAY,
188 : EXPR_NULL,
189 : EXPR_COMPCALL,
190 : EXPR_PPC,
191 : EXPR_CONDITIONAL,
192 : };
193 :
194 : /* Array types. */
195 : enum array_type
196 : { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
197 : AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_ASSUMED_RANK,
198 : AS_UNKNOWN
199 : };
200 :
201 : enum ar_type
202 : { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN };
203 :
204 : /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
205 : related to shared DO terminations and DO targets which are neither END DO
206 : nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
207 : enum gfc_sl_type
208 : { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, ST_LABEL_DO_TARGET,
209 : ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
210 : };
211 :
212 : /* Intrinsic operators. */
213 : enum gfc_intrinsic_op
214 : { GFC_INTRINSIC_BEGIN = 0,
215 : INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
216 : INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
217 : INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
218 : INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
219 : /* ==, /=, >, >=, <, <= */
220 : INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
221 : INTRINSIC_LT, INTRINSIC_LE,
222 : /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
223 : INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS,
224 : INTRINSIC_LT_OS, INTRINSIC_LE_OS,
225 : INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, INTRINSIC_PARENTHESES,
226 : GFC_INTRINSIC_END, /* Sentinel */
227 : /* User defined derived type pseudo operators. These are set beyond the
228 : sentinel so that they are excluded from module_read and module_write. */
229 : INTRINSIC_FORMATTED, INTRINSIC_UNFORMATTED
230 : };
231 :
232 : /* This macro is the number of intrinsic operators that exist.
233 : Assumptions are made about the numbering of the interface_op enums. */
234 : #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
235 :
236 : /* Arithmetic results. ARITH_NOT_REDUCED is used to keep track of expressions
237 : that were not reduced by the arithmetic evaluation code. */
238 : enum arith
239 : { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
240 : ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT,
241 : ARITH_WRONGCONCAT, ARITH_INVALID_TYPE, ARITH_NOT_REDUCED,
242 : ARITH_UNSIGNED_TRUNCATED, ARITH_UNSIGNED_NEGATIVE
243 : };
244 :
245 : /* Statements. */
246 : enum gfc_statement
247 : {
248 : ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE,
249 : ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA,
250 : ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
251 : ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
252 : ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA,
253 : ST_ENDDO, ST_IMPLIED_ENDDO, ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL,
254 : ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, ST_END_MODULE, ST_END_SUBMODULE,
255 : ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE,
256 : ST_ENTRY, ST_EQUIVALENCE, ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK,
257 : ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE,
258 : ST_IMPORT, ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY,
259 : ST_SYNC_IMAGES, ST_PARAMETER, ST_MODULE, ST_SUBMODULE, ST_MODULE_PROC,
260 : ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC,
261 : ST_READ, ST_RETURN, ST_REWIND, ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE,
262 : ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, ST_WRITE, ST_ASSIGNMENT,
263 : ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
264 : ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_ENUM,
265 : ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS,
266 : ST_SELECT_RANK, ST_RANK, ST_STRUCTURE_DECL, ST_END_STRUCTURE,
267 : ST_UNION, ST_END_UNION, ST_MAP, ST_END_MAP,
268 : ST_OACC_PARALLEL_LOOP, ST_OACC_END_PARALLEL_LOOP, ST_OACC_PARALLEL,
269 : ST_OACC_END_PARALLEL, ST_OACC_KERNELS, ST_OACC_END_KERNELS, ST_OACC_DATA,
270 : ST_OACC_END_DATA, ST_OACC_HOST_DATA, ST_OACC_END_HOST_DATA, ST_OACC_LOOP,
271 : ST_OACC_END_LOOP, ST_OACC_DECLARE, ST_OACC_UPDATE, ST_OACC_WAIT,
272 : ST_OACC_CACHE, ST_OACC_KERNELS_LOOP, ST_OACC_END_KERNELS_LOOP,
273 : ST_OACC_SERIAL_LOOP, ST_OACC_END_SERIAL_LOOP, ST_OACC_SERIAL,
274 : ST_OACC_END_SERIAL, ST_OACC_ENTER_DATA, ST_OACC_EXIT_DATA, ST_OACC_ROUTINE,
275 : ST_OACC_ATOMIC, ST_OACC_END_ATOMIC,
276 : ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC,
277 : ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED,
278 : ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS,
279 : ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE,
280 : ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
281 : ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
282 : ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE,
283 : ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK,
284 : ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_OMP_CANCEL, ST_OMP_CANCELLATION_POINT,
285 : ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP, ST_OMP_SIMD, ST_OMP_END_SIMD,
286 : ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD, ST_OMP_PARALLEL_DO_SIMD,
287 : ST_OMP_END_PARALLEL_DO_SIMD, ST_OMP_DECLARE_SIMD, ST_OMP_DECLARE_MAPPER,
288 : ST_OMP_DECLARE_REDUCTION, ST_OMP_TARGET, ST_OMP_END_TARGET,
289 : ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA,
290 : ST_OMP_TARGET_UPDATE, ST_OMP_DECLARE_TARGET, ST_OMP_DECLARE_VARIANT,
291 : ST_OMP_TEAMS, ST_OMP_END_TEAMS, ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE,
292 : ST_OMP_DISTRIBUTE_SIMD, ST_OMP_END_DISTRIBUTE_SIMD,
293 : ST_OMP_DISTRIBUTE_PARALLEL_DO, ST_OMP_END_DISTRIBUTE_PARALLEL_DO,
294 : ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD,
295 : ST_OMP_TARGET_TEAMS, ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
296 : ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
297 : ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
298 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
299 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
300 : ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
301 : ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
302 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
303 : ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
304 : ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
305 : ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
306 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
307 : ST_OMP_TARGET_PARALLEL, ST_OMP_END_TARGET_PARALLEL,
308 : ST_OMP_TARGET_PARALLEL_DO, ST_OMP_END_TARGET_PARALLEL_DO,
309 : ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_END_TARGET_PARALLEL_DO_SIMD,
310 : ST_OMP_TARGET_ENTER_DATA, ST_OMP_TARGET_EXIT_DATA,
311 : ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD,
312 : ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP, ST_OMP_SCAN, ST_OMP_DEPOBJ,
313 : ST_OMP_TASKLOOP_SIMD, ST_OMP_END_TASKLOOP_SIMD, ST_OMP_ORDERED_DEPEND,
314 : ST_OMP_REQUIRES, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL,
315 : ST_OMP_GROUPPRIVATE,
316 : ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_EVENT_POST,
317 : ST_EVENT_WAIT, ST_FAIL_IMAGE, ST_FORM_TEAM, ST_CHANGE_TEAM,
318 : ST_END_TEAM, ST_SYNC_TEAM, ST_OMP_PARALLEL_MASTER,
319 : ST_OMP_END_PARALLEL_MASTER, ST_OMP_PARALLEL_MASTER_TASKLOOP,
320 : ST_OMP_END_PARALLEL_MASTER_TASKLOOP, ST_OMP_PARALLEL_MASTER_TASKLOOP_SIMD,
321 : ST_OMP_END_PARALLEL_MASTER_TASKLOOP_SIMD, ST_OMP_MASTER_TASKLOOP,
322 : ST_OMP_END_MASTER_TASKLOOP, ST_OMP_MASTER_TASKLOOP_SIMD,
323 : ST_OMP_END_MASTER_TASKLOOP_SIMD, ST_OMP_LOOP, ST_OMP_END_LOOP,
324 : ST_OMP_PARALLEL_LOOP, ST_OMP_END_PARALLEL_LOOP, ST_OMP_TEAMS_LOOP,
325 : ST_OMP_END_TEAMS_LOOP, ST_OMP_TARGET_PARALLEL_LOOP,
326 : ST_OMP_END_TARGET_PARALLEL_LOOP, ST_OMP_TARGET_TEAMS_LOOP,
327 : ST_OMP_END_TARGET_TEAMS_LOOP, ST_OMP_MASKED, ST_OMP_END_MASKED,
328 : ST_OMP_PARALLEL_MASKED, ST_OMP_END_PARALLEL_MASKED,
329 : ST_OMP_PARALLEL_MASKED_TASKLOOP, ST_OMP_END_PARALLEL_MASKED_TASKLOOP,
330 : ST_OMP_PARALLEL_MASKED_TASKLOOP_SIMD,
331 : ST_OMP_END_PARALLEL_MASKED_TASKLOOP_SIMD, ST_OMP_MASKED_TASKLOOP,
332 : ST_OMP_END_MASKED_TASKLOOP, ST_OMP_MASKED_TASKLOOP_SIMD,
333 : ST_OMP_END_MASKED_TASKLOOP_SIMD, ST_OMP_SCOPE, ST_OMP_END_SCOPE,
334 : ST_OMP_METADIRECTIVE, ST_OMP_BEGIN_METADIRECTIVE, ST_OMP_END_METADIRECTIVE,
335 : ST_OMP_ERROR, ST_OMP_ASSUME, ST_OMP_END_ASSUME, ST_OMP_ASSUMES,
336 : ST_OMP_ALLOCATE, ST_OMP_ALLOCATE_EXEC,
337 : ST_OMP_ALLOCATORS, ST_OMP_END_ALLOCATORS,
338 : /* Note: gfc_match_omp_nothing returns ST_NONE. */
339 : ST_OMP_NOTHING, ST_NONE,
340 : ST_OMP_UNROLL, ST_OMP_END_UNROLL,
341 : ST_OMP_TILE, ST_OMP_END_TILE, ST_OMP_INTEROP, ST_OMP_DISPATCH,
342 : ST_OMP_END_DISPATCH
343 : };
344 :
345 : /* Types of interfaces that we can have. Assignment interfaces are
346 : considered to be intrinsic operators. */
347 : enum interface_type
348 : {
349 : INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
350 : INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT,
351 : INTERFACE_DTIO
352 : };
353 :
354 : /* Symbol flavors: these are all mutually exclusive.
355 : 12 elements = 4 bits. */
356 : enum sym_flavor
357 : {
358 : FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
359 : FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST,
360 : FL_UNION, FL_STRUCT, FL_VOID
361 : };
362 :
363 : /* Procedure types. 7 elements = 3 bits. */
364 : enum procedure_type
365 : { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
366 : PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
367 : };
368 :
369 : /* Intent types. Note that these values are also used in another enum in
370 : decl.cc (match_attr_spec). */
371 : enum sym_intent
372 : { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
373 : };
374 :
375 : /* Access types. */
376 : enum gfc_access
377 : { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
378 : };
379 :
380 : /* Flags to keep track of where an interface came from.
381 : 3 elements = 2 bits. */
382 : enum ifsrc
383 : { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */
384 : IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */
385 : IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement
386 : with explicit interface. */
387 : };
388 :
389 : /* Whether a SAVE attribute was set explicitly or implicitly. */
390 : enum save_state
391 : { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
392 : };
393 :
394 : /* OpenACC 'routine' directive's level of parallelism. */
395 : enum oacc_routine_lop
396 : { OACC_ROUTINE_LOP_NONE = 0,
397 : OACC_ROUTINE_LOP_GANG,
398 : OACC_ROUTINE_LOP_WORKER,
399 : OACC_ROUTINE_LOP_VECTOR,
400 : OACC_ROUTINE_LOP_SEQ,
401 : OACC_ROUTINE_LOP_ERROR
402 : };
403 :
404 : /* Strings for all symbol attributes. We use these for dumping the
405 : parse tree, in error messages, and also when reading and writing
406 : modules. In symbol.cc. */
407 : extern const mstring flavors[];
408 : extern const mstring procedures[];
409 : extern const mstring intents[];
410 : extern const mstring access_types[];
411 : extern const mstring ifsrc_types[];
412 : extern const mstring save_status[];
413 :
414 : /* Strings for DTIO procedure names. In symbol.cc. */
415 : extern const mstring dtio_procs[];
416 :
417 : enum dtio_codes
418 : { DTIO_RF = 0, DTIO_WF, DTIO_RUF, DTIO_WUF };
419 :
420 : /* Enumeration of all the generic intrinsic functions. Used by the
421 : backend for identification of a function. */
422 :
423 : enum gfc_isym_id
424 : {
425 : /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
426 : the backend (e.g. KIND). */
427 : GFC_ISYM_NONE = 0,
428 : GFC_ISYM_ABORT,
429 : GFC_ISYM_ABS,
430 : GFC_ISYM_ACCESS,
431 : GFC_ISYM_ACHAR,
432 : GFC_ISYM_ACOS,
433 : GFC_ISYM_ACOSD,
434 : GFC_ISYM_ACOSH,
435 : GFC_ISYM_ADJUSTL,
436 : GFC_ISYM_ADJUSTR,
437 : GFC_ISYM_AIMAG,
438 : GFC_ISYM_AINT,
439 : GFC_ISYM_ALARM,
440 : GFC_ISYM_ALL,
441 : GFC_ISYM_ALLOCATED,
442 : GFC_ISYM_AND,
443 : GFC_ISYM_ANINT,
444 : GFC_ISYM_ANY,
445 : GFC_ISYM_ASIN,
446 : GFC_ISYM_ASIND,
447 : GFC_ISYM_ASINH,
448 : GFC_ISYM_ASSOCIATED,
449 : GFC_ISYM_ATAN,
450 : GFC_ISYM_ATAN2,
451 : GFC_ISYM_ATAN2D,
452 : GFC_ISYM_ATAND,
453 : GFC_ISYM_ATANH,
454 : GFC_ISYM_ATOMIC_ADD,
455 : GFC_ISYM_ATOMIC_AND,
456 : GFC_ISYM_ATOMIC_CAS,
457 : GFC_ISYM_ATOMIC_DEF,
458 : GFC_ISYM_ATOMIC_FETCH_ADD,
459 : GFC_ISYM_ATOMIC_FETCH_AND,
460 : GFC_ISYM_ATOMIC_FETCH_OR,
461 : GFC_ISYM_ATOMIC_FETCH_XOR,
462 : GFC_ISYM_ATOMIC_OR,
463 : GFC_ISYM_ATOMIC_REF,
464 : GFC_ISYM_ATOMIC_XOR,
465 : GFC_ISYM_BGE,
466 : GFC_ISYM_BGT,
467 : GFC_ISYM_BIT_SIZE,
468 : GFC_ISYM_BLE,
469 : GFC_ISYM_BLT,
470 : GFC_ISYM_BTEST,
471 : GFC_ISYM_CAF_GET,
472 : GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE,
473 : GFC_ISYM_CAF_SEND,
474 : GFC_ISYM_CAF_SENDGET,
475 : GFC_ISYM_CEILING,
476 : GFC_ISYM_CHAR,
477 : GFC_ISYM_CHDIR,
478 : GFC_ISYM_CHMOD,
479 : GFC_ISYM_CMPLX,
480 : GFC_ISYM_CO_BROADCAST,
481 : GFC_ISYM_CO_MAX,
482 : GFC_ISYM_CO_MIN,
483 : GFC_ISYM_CO_REDUCE,
484 : GFC_ISYM_CO_SUM,
485 : GFC_ISYM_COMMAND_ARGUMENT_COUNT,
486 : GFC_ISYM_COMPILER_OPTIONS,
487 : GFC_ISYM_COMPILER_VERSION,
488 : GFC_ISYM_COMPLEX,
489 : GFC_ISYM_CONJG,
490 : GFC_ISYM_CONVERSION,
491 : GFC_ISYM_COS,
492 : GFC_ISYM_COSD,
493 : GFC_ISYM_COSH,
494 : GFC_ISYM_COSHAPE,
495 : GFC_ISYM_COTAN,
496 : GFC_ISYM_COTAND,
497 : GFC_ISYM_COUNT,
498 : GFC_ISYM_CPU_TIME,
499 : GFC_ISYM_CSHIFT,
500 : GFC_ISYM_CTIME,
501 : GFC_ISYM_C_ASSOCIATED,
502 : GFC_ISYM_C_F_POINTER,
503 : GFC_ISYM_C_F_PROCPOINTER,
504 : GFC_ISYM_C_F_STRPOINTER,
505 : GFC_ISYM_C_FUNLOC,
506 : GFC_ISYM_C_LOC,
507 : GFC_ISYM_C_SIZEOF,
508 : GFC_ISYM_DATE_AND_TIME,
509 : GFC_ISYM_DBLE,
510 : GFC_ISYM_DFLOAT,
511 : GFC_ISYM_DIGITS,
512 : GFC_ISYM_DIM,
513 : GFC_ISYM_DOT_PRODUCT,
514 : GFC_ISYM_DPROD,
515 : GFC_ISYM_DSHIFTL,
516 : GFC_ISYM_DSHIFTR,
517 : GFC_ISYM_DTIME,
518 : GFC_ISYM_EOSHIFT,
519 : GFC_ISYM_EPSILON,
520 : GFC_ISYM_ERF,
521 : GFC_ISYM_ERFC,
522 : GFC_ISYM_ERFC_SCALED,
523 : GFC_ISYM_ETIME,
524 : GFC_ISYM_EVENT_QUERY,
525 : GFC_ISYM_EXECUTE_COMMAND_LINE,
526 : GFC_ISYM_EXIT,
527 : GFC_ISYM_EXP,
528 : GFC_ISYM_EXPONENT,
529 : GFC_ISYM_EXTENDS_TYPE_OF,
530 : GFC_ISYM_F_C_STRING,
531 : GFC_ISYM_FAILED_IMAGES,
532 : GFC_ISYM_FDATE,
533 : GFC_ISYM_FE_RUNTIME_ERROR,
534 : GFC_ISYM_FGET,
535 : GFC_ISYM_FGETC,
536 : GFC_ISYM_FINDLOC,
537 : GFC_ISYM_FLOAT,
538 : GFC_ISYM_FLOOR,
539 : GFC_ISYM_FLUSH,
540 : GFC_ISYM_FNUM,
541 : GFC_ISYM_FPUT,
542 : GFC_ISYM_FPUTC,
543 : GFC_ISYM_FRACTION,
544 : GFC_ISYM_FREE,
545 : GFC_ISYM_FSEEK,
546 : GFC_ISYM_FSTAT,
547 : GFC_ISYM_FTELL,
548 : GFC_ISYM_TGAMMA,
549 : GFC_ISYM_GERROR,
550 : GFC_ISYM_GETARG,
551 : GFC_ISYM_GET_COMMAND,
552 : GFC_ISYM_GET_COMMAND_ARGUMENT,
553 : GFC_ISYM_GETCWD,
554 : GFC_ISYM_GETENV,
555 : GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
556 : GFC_ISYM_GETGID,
557 : GFC_ISYM_GETLOG,
558 : GFC_ISYM_GETPID,
559 : GFC_ISYM_GET_TEAM,
560 : GFC_ISYM_GETUID,
561 : GFC_ISYM_GMTIME,
562 : GFC_ISYM_HOSTNM,
563 : GFC_ISYM_HUGE,
564 : GFC_ISYM_HYPOT,
565 : GFC_ISYM_IACHAR,
566 : GFC_ISYM_IALL,
567 : GFC_ISYM_IAND,
568 : GFC_ISYM_IANY,
569 : GFC_ISYM_IARGC,
570 : GFC_ISYM_IBCLR,
571 : GFC_ISYM_IBITS,
572 : GFC_ISYM_IBSET,
573 : GFC_ISYM_ICHAR,
574 : GFC_ISYM_IDATE,
575 : GFC_ISYM_IEOR,
576 : GFC_ISYM_IERRNO,
577 : GFC_ISYM_IMAGE_INDEX,
578 : GFC_ISYM_IMAGE_STATUS,
579 : GFC_ISYM_INDEX,
580 : GFC_ISYM_INT,
581 : GFC_ISYM_INT2,
582 : GFC_ISYM_INT8,
583 : GFC_ISYM_IOR,
584 : GFC_ISYM_IPARITY,
585 : GFC_ISYM_IRAND,
586 : GFC_ISYM_ISATTY,
587 : GFC_ISYM_IS_CONTIGUOUS,
588 : GFC_ISYM_IS_IOSTAT_END,
589 : GFC_ISYM_IS_IOSTAT_EOR,
590 : GFC_ISYM_ISNAN,
591 : GFC_ISYM_ISHFT,
592 : GFC_ISYM_ISHFTC,
593 : GFC_ISYM_ITIME,
594 : GFC_ISYM_J0,
595 : GFC_ISYM_J1,
596 : GFC_ISYM_JN,
597 : GFC_ISYM_JN2,
598 : GFC_ISYM_KILL,
599 : GFC_ISYM_KIND,
600 : GFC_ISYM_LBOUND,
601 : GFC_ISYM_LCOBOUND,
602 : GFC_ISYM_LEADZ,
603 : GFC_ISYM_LEN,
604 : GFC_ISYM_LEN_TRIM,
605 : GFC_ISYM_LGAMMA,
606 : GFC_ISYM_LGE,
607 : GFC_ISYM_LGT,
608 : GFC_ISYM_LINK,
609 : GFC_ISYM_LLE,
610 : GFC_ISYM_LLT,
611 : GFC_ISYM_LOC,
612 : GFC_ISYM_LOG,
613 : GFC_ISYM_LOG10,
614 : GFC_ISYM_LOGICAL,
615 : GFC_ISYM_LONG,
616 : GFC_ISYM_LSHIFT,
617 : GFC_ISYM_LSTAT,
618 : GFC_ISYM_LTIME,
619 : GFC_ISYM_MALLOC,
620 : GFC_ISYM_MASKL,
621 : GFC_ISYM_MASKR,
622 : GFC_ISYM_MATMUL,
623 : GFC_ISYM_MAX,
624 : GFC_ISYM_MAXEXPONENT,
625 : GFC_ISYM_MAXLOC,
626 : GFC_ISYM_MAXVAL,
627 : GFC_ISYM_MCLOCK,
628 : GFC_ISYM_MCLOCK8,
629 : GFC_ISYM_MERGE,
630 : GFC_ISYM_MERGE_BITS,
631 : GFC_ISYM_MIN,
632 : GFC_ISYM_MINEXPONENT,
633 : GFC_ISYM_MINLOC,
634 : GFC_ISYM_MINVAL,
635 : GFC_ISYM_MOD,
636 : GFC_ISYM_MODULO,
637 : GFC_ISYM_MOVE_ALLOC,
638 : GFC_ISYM_MVBITS,
639 : GFC_ISYM_NEAREST,
640 : GFC_ISYM_NEW_LINE,
641 : GFC_ISYM_NINT,
642 : GFC_ISYM_NORM2,
643 : GFC_ISYM_NOT,
644 : GFC_ISYM_NULL,
645 : GFC_ISYM_NUM_IMAGES,
646 : GFC_ISYM_OR,
647 : GFC_ISYM_OUT_OF_RANGE,
648 : GFC_ISYM_PACK,
649 : GFC_ISYM_PARITY,
650 : GFC_ISYM_PERROR,
651 : GFC_ISYM_POPCNT,
652 : GFC_ISYM_POPPAR,
653 : GFC_ISYM_PRECISION,
654 : GFC_ISYM_PRESENT,
655 : GFC_ISYM_PRODUCT,
656 : GFC_ISYM_RADIX,
657 : GFC_ISYM_RAND,
658 : GFC_ISYM_RANDOM_INIT,
659 : GFC_ISYM_RANDOM_NUMBER,
660 : GFC_ISYM_RANDOM_SEED,
661 : GFC_ISYM_RANGE,
662 : GFC_ISYM_RANK,
663 : GFC_ISYM_REAL,
664 : GFC_ISYM_REALPART,
665 : GFC_ISYM_REDUCE,
666 : GFC_ISYM_RENAME,
667 : GFC_ISYM_REPEAT,
668 : GFC_ISYM_RESHAPE,
669 : GFC_ISYM_RRSPACING,
670 : GFC_ISYM_RSHIFT,
671 : GFC_ISYM_SAME_TYPE_AS,
672 : GFC_ISYM_SC_KIND,
673 : GFC_ISYM_SCALE,
674 : GFC_ISYM_SCAN,
675 : GFC_ISYM_SECNDS,
676 : GFC_ISYM_SECOND,
677 : GFC_ISYM_SET_EXPONENT,
678 : GFC_ISYM_SHAPE,
679 : GFC_ISYM_SHIFTA,
680 : GFC_ISYM_SHIFTL,
681 : GFC_ISYM_SHIFTR,
682 : GFC_ISYM_BACKTRACE,
683 : GFC_ISYM_SIGN,
684 : GFC_ISYM_SIGNAL,
685 : GFC_ISYM_SI_KIND,
686 : GFC_ISYM_SIN,
687 : GFC_ISYM_SIND,
688 : GFC_ISYM_SINH,
689 : GFC_ISYM_SIZE,
690 : GFC_ISYM_SL_KIND,
691 : GFC_ISYM_SLEEP,
692 : GFC_ISYM_SIZEOF,
693 : GFC_ISYM_SNGL,
694 : GFC_ISYM_SPACING,
695 : GFC_ISYM_SPREAD,
696 : GFC_ISYM_SQRT,
697 : GFC_ISYM_SRAND,
698 : GFC_ISYM_SR_KIND,
699 : GFC_ISYM_STAT,
700 : GFC_ISYM_STOPPED_IMAGES,
701 : GFC_ISYM_STORAGE_SIZE,
702 : GFC_ISYM_STRIDE,
703 : GFC_ISYM_SUM,
704 : GFC_ISYM_SYMLINK,
705 : GFC_ISYM_SYMLNK,
706 : GFC_ISYM_SYSTEM,
707 : GFC_ISYM_SYSTEM_CLOCK,
708 : GFC_ISYM_TAN,
709 : GFC_ISYM_TAND,
710 : GFC_ISYM_TANH,
711 : GFC_ISYM_TEAM_NUMBER,
712 : GFC_ISYM_THIS_IMAGE,
713 : GFC_ISYM_TIME,
714 : GFC_ISYM_TIME8,
715 : GFC_ISYM_TINY,
716 : GFC_ISYM_TRAILZ,
717 : GFC_ISYM_TRANSFER,
718 : GFC_ISYM_TRANSPOSE,
719 : GFC_ISYM_TRIM,
720 : GFC_ISYM_TTYNAM,
721 : GFC_ISYM_UBOUND,
722 : GFC_ISYM_UCOBOUND,
723 : GFC_ISYM_UMASK,
724 : GFC_ISYM_UMASKL,
725 : GFC_ISYM_UMASKR,
726 : GFC_ISYM_UNLINK,
727 : GFC_ISYM_UNPACK,
728 : GFC_ISYM_VERIFY,
729 : GFC_ISYM_XOR,
730 : GFC_ISYM_Y0,
731 : GFC_ISYM_Y1,
732 : GFC_ISYM_YN,
733 : GFC_ISYM_YN2,
734 :
735 : /* Add this at the end, so maybe the module format
736 : remains compatible. */
737 : GFC_ISYM_SU_KIND,
738 : GFC_ISYM_UINT,
739 :
740 : GFC_ISYM_ACOSPI,
741 : GFC_ISYM_ASINPI,
742 : GFC_ISYM_ATANPI,
743 : GFC_ISYM_ATAN2PI,
744 : GFC_ISYM_COSPI,
745 : GFC_ISYM_SINPI,
746 : GFC_ISYM_TANPI,
747 :
748 : GFC_ISYM_SPLIT,
749 : };
750 :
751 : enum init_local_logical
752 : {
753 : GFC_INIT_LOGICAL_OFF = 0,
754 : GFC_INIT_LOGICAL_FALSE,
755 : GFC_INIT_LOGICAL_TRUE
756 : };
757 :
758 : enum init_local_character
759 : {
760 : GFC_INIT_CHARACTER_OFF = 0,
761 : GFC_INIT_CHARACTER_ON
762 : };
763 :
764 : enum init_local_integer
765 : {
766 : GFC_INIT_INTEGER_OFF = 0,
767 : GFC_INIT_INTEGER_ON
768 : };
769 :
770 : enum gfc_reverse
771 : {
772 : GFC_ENABLE_REVERSE,
773 : GFC_FORWARD_SET,
774 : GFC_REVERSE_SET,
775 : GFC_INHIBIT_REVERSE
776 : };
777 :
778 : enum gfc_param_spec_type
779 : {
780 : SPEC_EXPLICIT,
781 : SPEC_ASSUMED,
782 : SPEC_DEFERRED
783 : };
784 :
785 : /************************* Structures *****************************/
786 :
787 : /* Used for keeping things in balanced binary trees. */
788 : #define BBT_HEADER(self) int priority; struct self *left, *right
789 :
790 : #define NAMED_INTCST(a,b,c,d) a,
791 : #define NAMED_UINTCST(a,b,c,d) a,
792 : #define NAMED_KINDARRAY(a,b,c,d) a,
793 : #define NAMED_FUNCTION(a,b,c,d) a,
794 : #define NAMED_SUBROUTINE(a,b,c,d) a,
795 : #define NAMED_DERIVED_TYPE(a,b,c,d) a,
796 : enum iso_fortran_env_symbol
797 : {
798 : ISOFORTRANENV_INVALID = -1,
799 : #include "iso-fortran-env.def"
800 : ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
801 : };
802 : #undef NAMED_INTCST
803 : #undef NANED_UINTCST
804 : #undef NAMED_KINDARRAY
805 : #undef NAMED_FUNCTION
806 : #undef NAMED_SUBROUTINE
807 : #undef NAMED_DERIVED_TYPE
808 :
809 : #define NAMED_INTCST(a,b,c,d) a,
810 : #define NAMED_REALCST(a,b,c,d) a,
811 : #define NAMED_CMPXCST(a,b,c,d) a,
812 : #define NAMED_LOGCST(a,b,c) a,
813 : #define NAMED_CHARKNDCST(a,b,c) a,
814 : #define NAMED_CHARCST(a,b,c) a,
815 : #define DERIVED_TYPE(a,b,c) a,
816 : #define NAMED_FUNCTION(a,b,c,d) a,
817 : #define NAMED_SUBROUTINE(a,b,c,d) a,
818 : #define NAMED_UINTCST(a,b,c,d) a,
819 : enum iso_c_binding_symbol
820 : {
821 : ISOCBINDING_INVALID = -1,
822 : #include "iso-c-binding.def"
823 : ISOCBINDING_LAST,
824 : ISOCBINDING_NUMBER = ISOCBINDING_LAST
825 : };
826 : #undef NAMED_INTCST
827 : #undef NAMED_REALCST
828 : #undef NAMED_CMPXCST
829 : #undef NAMED_LOGCST
830 : #undef NAMED_CHARKNDCST
831 : #undef NAMED_CHARCST
832 : #undef DERIVED_TYPE
833 : #undef NAMED_FUNCTION
834 : #undef NAMED_SUBROUTINE
835 : #undef NAMED_UINTCST
836 :
837 : enum intmod_id
838 : {
839 : INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING,
840 : INTMOD_IEEE_FEATURES, INTMOD_IEEE_EXCEPTIONS, INTMOD_IEEE_ARITHMETIC
841 : };
842 :
843 : typedef struct
844 : {
845 : char name[GFC_MAX_SYMBOL_LEN + 1];
846 : int value; /* Used for both integer and character values. */
847 : bt f90_type;
848 : }
849 : CInteropKind_t;
850 :
851 : /* Array of structs, where the structs represent the C interop kinds.
852 : The list will be implemented based on a hash of the kind name since
853 : these could be accessed multiple times.
854 : Declared in trans-types.cc as a global, since it's in that file
855 : that the list is initialized. */
856 : extern CInteropKind_t c_interop_kinds_table[];
857 :
858 : enum gfc_omp_device_type
859 : {
860 : OMP_DEVICE_TYPE_UNSET,
861 : OMP_DEVICE_TYPE_HOST,
862 : OMP_DEVICE_TYPE_NOHOST,
863 : OMP_DEVICE_TYPE_ANY
864 : };
865 :
866 : enum gfc_omp_severity_type
867 : {
868 : OMP_SEVERITY_UNSET,
869 : OMP_SEVERITY_WARNING,
870 : OMP_SEVERITY_FATAL
871 : };
872 :
873 : enum gfc_omp_at_type
874 : {
875 : OMP_AT_UNSET,
876 : OMP_AT_COMPILATION,
877 : OMP_AT_EXECUTION
878 : };
879 :
880 : /* Structure and list of supported extension attributes. */
881 : typedef enum
882 : {
883 : EXT_ATTR_DLLIMPORT = 0,
884 : EXT_ATTR_DLLEXPORT,
885 : EXT_ATTR_STDCALL,
886 : EXT_ATTR_CDECL,
887 : EXT_ATTR_FASTCALL,
888 : EXT_ATTR_NO_ARG_CHECK,
889 : EXT_ATTR_DEPRECATED,
890 : EXT_ATTR_NOINLINE,
891 : EXT_ATTR_NORETURN,
892 : EXT_ATTR_WEAK,
893 : EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST
894 : }
895 : ext_attr_id_t;
896 :
897 : typedef struct
898 : {
899 : const char *name;
900 : unsigned id;
901 : const char *middle_end_name;
902 : }
903 : ext_attr_t;
904 :
905 : extern const ext_attr_t ext_attr_list[];
906 :
907 : /* Symbol attribute structure. */
908 : typedef struct
909 : {
910 : /* Variable attributes. */
911 : unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1,
912 : optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1,
913 : dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
914 : implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1,
915 : contiguous:1, fe_temp: 1, automatic: 1;
916 :
917 : /* For CLASS containers, the pointer attribute is sometimes set internally
918 : even though it was not directly specified. In this case, keep the
919 : "real" (original) value here. */
920 : unsigned class_pointer:1;
921 :
922 : ENUM_BITFIELD (save_state) save:2;
923 :
924 : unsigned data:1, /* Symbol is named in a DATA statement. */
925 : is_protected:1, /* Symbol has been marked as protected. */
926 : use_assoc:1, /* Symbol has been use-associated. */
927 : used_in_submodule:1, /* Symbol has been use-associated in a
928 : submodule. Needed since these entities must
929 : be set host associated to be compliant. */
930 : use_only:1, /* Symbol has been use-associated, with ONLY. */
931 : use_rename:1, /* Symbol has been use-associated and renamed. */
932 : imported:1, /* Symbol has been associated by IMPORT. */
933 : host_assoc:1; /* Symbol has been host associated. */
934 :
935 : unsigned in_namelist:1, in_common:1, in_equivalence:1;
936 : unsigned function:1, subroutine:1, procedure:1;
937 : unsigned generic:1, generic_copy:1;
938 : unsigned implicit_type:1; /* Type defined via implicit rules. */
939 : unsigned untyped:1; /* No implicit type could be found. */
940 :
941 : unsigned is_bind_c:1; /* say if is bound to C. */
942 : unsigned extension:8; /* extension level of a derived type. */
943 : unsigned is_class:1; /* is a CLASS container. */
944 : unsigned class_ok:1; /* is a CLASS object with correct attributes. */
945 : unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */
946 : unsigned vtype:1; /* is a derived type of a vtab. */
947 :
948 : /* These flags are both in the typespec and attribute. The attribute
949 : list is what gets read from/written to a module file. The typespec
950 : is created from a decl being processed. */
951 : unsigned is_c_interop:1; /* It's c interoperable. */
952 : unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
953 :
954 : /* Function/subroutine attributes */
955 : unsigned sequence:1, elemental:1, pure:1, recursive:1;
956 : unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
957 :
958 : /* Set if this is a module function or subroutine. Note that it is an
959 : attribute because it appears as a prefix in the declaration like
960 : PURE, etc.. */
961 : unsigned module_procedure:1;
962 :
963 : /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
964 : which is relevant for private module procedures. */
965 : unsigned public_used:1;
966 :
967 : /* This is set if a contained procedure could be declared pure. This is
968 : used for certain optimizations that require the result or arguments
969 : cannot alias. Note that this is zero for PURE procedures. */
970 : unsigned implicit_pure:1;
971 :
972 : /* This is set for a procedure that contains expressions referencing
973 : arrays coming from outside its namespace.
974 : This is used to force the creation of a temporary when the LHS of
975 : an array assignment may be used by an elemental procedure appearing
976 : on the RHS. */
977 : unsigned array_outer_dependency:1;
978 :
979 : /* This is set if the subroutine doesn't return. Currently, this
980 : is only possible for intrinsic subroutines. */
981 : unsigned noreturn:1;
982 :
983 : /* Set if this procedure is an alternate entry point. These procedures
984 : don't have any code associated, and the backend will turn them into
985 : thunks to the master function. */
986 : unsigned entry:1;
987 :
988 : /* Set if this is the master function for a procedure with multiple
989 : entry points. */
990 : unsigned entry_master:1;
991 :
992 : /* Set if this is the master function for a function with multiple
993 : entry points where characteristics of the entry points differ. */
994 : unsigned mixed_entry_master:1;
995 :
996 : /* Set if a function must always be referenced by an explicit interface. */
997 : unsigned always_explicit:1;
998 :
999 : /* Set if the symbol is generated and, hence, standard violations
1000 : shouldn't be flaged. */
1001 : unsigned artificial:1;
1002 :
1003 : /* Set if the symbol has been referenced in an expression. No further
1004 : modification of type or type parameters is permitted. */
1005 : unsigned referenced:1;
1006 :
1007 : /* Set if this is the symbol for the main program. */
1008 : unsigned is_main_program:1;
1009 :
1010 : /* Mutually exclusive multibit attributes. */
1011 : ENUM_BITFIELD (gfc_access) access:2;
1012 : ENUM_BITFIELD (sym_intent) intent:2;
1013 : ENUM_BITFIELD (sym_flavor) flavor:4;
1014 : ENUM_BITFIELD (ifsrc) if_source:2;
1015 :
1016 : ENUM_BITFIELD (procedure_type) proc:3;
1017 :
1018 : /* Special attributes for Cray pointers, pointees. */
1019 : unsigned cray_pointer:1, cray_pointee:1;
1020 :
1021 : /* The symbol is a derived type with allocatable components, pointer
1022 : components or private components, procedure pointer components,
1023 : possibly nested. zero_comp is true if the derived type has no
1024 : component at all. defined_assign_comp is true if the derived
1025 : type or a (sub-)component has a typebound defined assignment.
1026 : unlimited_polymorphic flags the type of the container for these
1027 : entities. */
1028 : unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1,
1029 : private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1,
1030 : event_comp:1, defined_assign_comp:1, unlimited_polymorphic:1,
1031 : has_dtio_procs:1, caf_token:1;
1032 :
1033 : /* This is a temporary selector for SELECT TYPE/RANK or an associate
1034 : variable for SELECT TYPE/RANK or ASSOCIATE. */
1035 : unsigned select_type_temporary:1, select_rank_temporary:1, associate_var:1;
1036 :
1037 : /* These are the attributes required for parameterized derived
1038 : types. */
1039 : unsigned pdt_kind:1, pdt_len:1, pdt_type:1, pdt_template:1,
1040 : pdt_array:1, pdt_string:1, pdt_comp:1;
1041 :
1042 : /* This is omp_{out,in,priv,orig} artificial variable in
1043 : !$OMP DECLARE REDUCTION. */
1044 : unsigned omp_udr_artificial_var:1;
1045 :
1046 : /* This is a placeholder variable used in an !$OMP DECLARE MAPPER
1047 : directive. */
1048 : unsigned omp_udm_artificial_var:1;
1049 :
1050 : /* Mentioned in OMP DECLARE TARGET. */
1051 : unsigned omp_declare_target:1;
1052 : unsigned omp_declare_target_link:1;
1053 : unsigned omp_declare_target_local:1;
1054 : unsigned omp_declare_target_indirect:1;
1055 : ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2;
1056 : unsigned omp_groupprivate:1;
1057 : unsigned omp_allocate:1;
1058 :
1059 : /* Mentioned in OACC DECLARE. */
1060 : unsigned oacc_declare_create:1;
1061 : unsigned oacc_declare_copyin:1;
1062 : unsigned oacc_declare_deviceptr:1;
1063 : unsigned oacc_declare_device_resident:1;
1064 : unsigned oacc_declare_link:1;
1065 :
1066 : /* OpenACC 'routine' directive's level of parallelism. */
1067 : ENUM_BITFIELD (oacc_routine_lop) oacc_routine_lop:3;
1068 : unsigned oacc_routine_nohost:1;
1069 :
1070 : /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
1071 : unsigned ext_attr:EXT_ATTR_NUM;
1072 :
1073 : /* The namespace where the attribute has been set. */
1074 : struct gfc_namespace *volatile_ns, *asynchronous_ns;
1075 : }
1076 : symbol_attribute;
1077 :
1078 :
1079 : /* We need to store source lines as sequences of multibyte source
1080 : characters. We define here a type wide enough to hold any multibyte
1081 : source character, just like libcpp does. A 32-bit type is enough. */
1082 :
1083 : #if HOST_BITS_PER_INT >= 32
1084 : typedef unsigned int gfc_char_t;
1085 : #elif HOST_BITS_PER_LONG >= 32
1086 : typedef unsigned long gfc_char_t;
1087 : #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
1088 : typedef unsigned long long gfc_char_t;
1089 : #else
1090 : # error "Cannot find an integer type with at least 32 bits"
1091 : #endif
1092 :
1093 :
1094 : /* The following three structures are used to identify a location in
1095 : the sources.
1096 :
1097 : gfc_file is used to maintain a tree of the source files and how
1098 : they include each other
1099 :
1100 : gfc_linebuf holds a single line of source code and information
1101 : which file it resides in
1102 :
1103 : locus point to the sourceline and the character in the source
1104 : line.
1105 : */
1106 :
1107 : typedef struct gfc_file
1108 : {
1109 : struct gfc_file *next, *up;
1110 : int inclusion_line, line;
1111 : char *filename;
1112 : } gfc_file;
1113 :
1114 : typedef struct gfc_linebuf
1115 : {
1116 : location_t location;
1117 : struct gfc_file *file;
1118 : struct gfc_linebuf *next;
1119 :
1120 : int truncated;
1121 : bool dbg_emitted;
1122 :
1123 : gfc_char_t line[1];
1124 : } gfc_linebuf;
1125 :
1126 : #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
1127 :
1128 : #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
1129 :
1130 : /* If nextc = (gfc_char_t*) -1, 'location' is used. */
1131 : typedef struct
1132 : {
1133 : gfc_char_t *nextc;
1134 : union
1135 : {
1136 : gfc_linebuf *lb;
1137 : location_t location;
1138 : } u;
1139 : } locus;
1140 :
1141 : #define GFC_LOCUS_IS_SET(loc) \
1142 : ((loc).nextc == (gfc_char_t *) -1 || (loc).u.lb != NULL)
1143 :
1144 : /* In order for the "gfc" format checking to work correctly, you must
1145 : have declared a typedef locus first. */
1146 : #if GCC_VERSION >= 4001
1147 : #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
1148 : #else
1149 : #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
1150 : #endif
1151 :
1152 :
1153 : /* Suppress error messages or re-enable them. */
1154 :
1155 : void gfc_push_suppress_errors (void);
1156 : void gfc_pop_suppress_errors (void);
1157 : bool gfc_query_suppress_errors (void);
1158 :
1159 :
1160 : /* Character length structures hold the expression that gives the
1161 : length of a character variable. We avoid putting these into
1162 : gfc_typespec because doing so prevents us from doing structure
1163 : copies and forces us to deallocate any typespecs we create, as well
1164 : as structures that contain typespecs. They also can have multiple
1165 : character typespecs pointing to them.
1166 :
1167 : These structures form a singly linked list within the current
1168 : namespace and are deallocated with the namespace. It is possible to
1169 : end up with gfc_charlen structures that have nothing pointing to them. */
1170 :
1171 : typedef struct gfc_charlen
1172 : {
1173 : struct gfc_expr *length;
1174 : struct gfc_charlen *next;
1175 : bool length_from_typespec; /* Length from explicit array ctor typespec? */
1176 : tree backend_decl;
1177 : tree passed_length; /* Length argument explicitly passed. */
1178 :
1179 : int resolved;
1180 : }
1181 : gfc_charlen;
1182 :
1183 : #define gfc_get_charlen() XCNEW (gfc_charlen)
1184 :
1185 : /* Type specification structure. */
1186 : typedef struct
1187 : {
1188 : bt type;
1189 : int kind;
1190 :
1191 : union
1192 : {
1193 : struct gfc_symbol *derived; /* For derived types only. */
1194 : gfc_charlen *cl; /* For character types only. */
1195 : int pad; /* For hollerith types only. */
1196 : }
1197 : u;
1198 :
1199 : struct gfc_symbol *interface; /* For PROCEDURE declarations. */
1200 : int is_c_interop;
1201 : int is_iso_c;
1202 : bt f90_type;
1203 : bool deferred;
1204 : gfc_symbol *interop_kind;
1205 : }
1206 : gfc_typespec;
1207 :
1208 : /* Array specification. */
1209 : typedef struct
1210 : {
1211 : int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1212 : int corank;
1213 : array_type type, cotype;
1214 : struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
1215 :
1216 : /* These two fields are used with the Cray Pointer extension. */
1217 : bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
1218 : bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
1219 : AS_EXPLICIT, but we want to remember that we
1220 : did this. */
1221 :
1222 : bool resolved;
1223 : }
1224 : gfc_array_spec;
1225 :
1226 : #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1227 :
1228 :
1229 : /* Components of derived types. */
1230 : typedef struct gfc_component
1231 : {
1232 : const char *name;
1233 : gfc_typespec ts;
1234 :
1235 : symbol_attribute attr;
1236 : gfc_array_spec *as;
1237 :
1238 : tree backend_decl;
1239 : /* Used to cache a FIELD_DECL matching this same component
1240 : but applied to a different backend containing type that was
1241 : generated by gfc_nonrestricted_type. */
1242 : tree norestrict_decl;
1243 : locus loc;
1244 : struct gfc_expr *initializer;
1245 : /* Used in parameterized derived type declarations to store parameterized
1246 : kind expressions. */
1247 : struct gfc_expr *kind_expr;
1248 : struct gfc_actual_arglist *param_list;
1249 :
1250 : struct gfc_component *next;
1251 :
1252 : /* Needed for procedure pointer components. */
1253 : struct gfc_typebound_proc *tb;
1254 : /* When allocatable/pointer and in a coarray the associated token. */
1255 : struct gfc_component *caf_token;
1256 : }
1257 : gfc_component;
1258 :
1259 : #define gfc_get_component() XCNEW (gfc_component)
1260 : #define gfc_comp_caf_token(cm) (cm)->caf_token->backend_decl
1261 :
1262 : /* Formal argument lists are lists of symbols. */
1263 : typedef struct gfc_formal_arglist
1264 : {
1265 : /* Symbol representing the argument at this position in the arglist. */
1266 : struct gfc_symbol *sym;
1267 : /* Points to the next formal argument. */
1268 : struct gfc_formal_arglist *next;
1269 : }
1270 : gfc_formal_arglist;
1271 :
1272 : #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1273 :
1274 :
1275 : struct gfc_dummy_arg;
1276 :
1277 :
1278 : /* The gfc_actual_arglist structure is for actual arguments and
1279 : for type parameter specification lists. */
1280 : typedef struct gfc_actual_arglist
1281 : {
1282 : const char *name;
1283 : /* Alternate return label when the expr member is null. */
1284 : struct gfc_st_label *label;
1285 :
1286 : gfc_param_spec_type spec_type;
1287 :
1288 : struct gfc_expr *expr;
1289 :
1290 : /* The dummy arg this actual arg is associated with, if the interface
1291 : is explicit. NULL otherwise. */
1292 : gfc_dummy_arg *associated_dummy;
1293 :
1294 : struct gfc_actual_arglist *next;
1295 : }
1296 : gfc_actual_arglist;
1297 :
1298 : #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1299 :
1300 :
1301 : /* Because a symbol can belong to multiple namelists, they must be
1302 : linked externally to the symbol itself. */
1303 : typedef struct gfc_namelist
1304 : {
1305 : struct gfc_symbol *sym;
1306 : struct gfc_namelist *next;
1307 : }
1308 : gfc_namelist;
1309 :
1310 : #define gfc_get_namelist() XCNEW (gfc_namelist)
1311 :
1312 : /* Likewise to gfc_namelist, but contains expressions. */
1313 : typedef struct gfc_expr_list
1314 : {
1315 : struct gfc_expr *expr;
1316 : struct gfc_expr_list *next;
1317 : }
1318 : gfc_expr_list;
1319 :
1320 : #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1321 :
1322 : enum gfc_omp_reduction_op
1323 : {
1324 : OMP_REDUCTION_NONE = -1,
1325 : OMP_REDUCTION_PLUS = INTRINSIC_PLUS,
1326 : OMP_REDUCTION_MINUS = INTRINSIC_MINUS,
1327 : OMP_REDUCTION_TIMES = INTRINSIC_TIMES,
1328 : OMP_REDUCTION_AND = INTRINSIC_AND,
1329 : OMP_REDUCTION_OR = INTRINSIC_OR,
1330 : OMP_REDUCTION_EQV = INTRINSIC_EQV,
1331 : OMP_REDUCTION_NEQV = INTRINSIC_NEQV,
1332 : OMP_REDUCTION_MAX = GFC_INTRINSIC_END,
1333 : OMP_REDUCTION_MIN,
1334 : OMP_REDUCTION_IAND,
1335 : OMP_REDUCTION_IOR,
1336 : OMP_REDUCTION_IEOR,
1337 : OMP_REDUCTION_USER
1338 : };
1339 :
1340 : enum gfc_omp_depend_doacross_op
1341 : {
1342 : OMP_DEPEND_UNSET,
1343 : OMP_DEPEND_IN,
1344 : OMP_DEPEND_OUT,
1345 : OMP_DEPEND_INOUT,
1346 : OMP_DEPEND_INOUTSET,
1347 : OMP_DEPEND_MUTEXINOUTSET,
1348 : OMP_DEPEND_DEPOBJ,
1349 : OMP_DEPEND_SINK_FIRST,
1350 : OMP_DOACROSS_SINK_FIRST,
1351 : OMP_DOACROSS_SINK
1352 : };
1353 :
1354 : enum gfc_omp_map_op
1355 : {
1356 : OMP_MAP_ALLOC = 0,
1357 : OMP_MAP_TO = 1 << 0,
1358 : OMP_MAP_FROM = 1 << 1,
1359 : OMP_MAP_TOFROM = OMP_MAP_TO | OMP_MAP_FROM,
1360 : OMP_MAP_IF_PRESENT = 1 << 2,
1361 : OMP_MAP_ATTACH = 1 << 3,
1362 : OMP_MAP_DELETE = 1 << 4,
1363 : OMP_MAP_DETACH = 1 << 5,
1364 : OMP_MAP_FORCE_ALLOC = 1 << 6,
1365 : OMP_MAP_FORCE_TO = OMP_MAP_FORCE_ALLOC | OMP_MAP_TO,
1366 : OMP_MAP_FORCE_FROM = OMP_MAP_FORCE_ALLOC | OMP_MAP_FROM,
1367 : OMP_MAP_FORCE_TOFROM = OMP_MAP_FORCE_ALLOC | OMP_MAP_TOFROM,
1368 : OMP_MAP_FORCE_PRESENT = 1 << 7,
1369 : OMP_MAP_FORCE_DEVICEPTR = 1 << 8,
1370 : OMP_MAP_DEVICE_RESIDENT = 1 << 9,
1371 : OMP_MAP_LINK = 1 << 10,
1372 : OMP_MAP_RELEASE = 1 << 11,
1373 : OMP_MAP_ALWAYS_TO = (1 << 12) | OMP_MAP_TO,
1374 : OMP_MAP_ALWAYS_FROM = (1 << 12) | OMP_MAP_FROM,
1375 : OMP_MAP_ALWAYS_TOFROM = (1 << 12) | OMP_MAP_TOFROM,
1376 : OMP_MAP_PRESENT_ALLOC = 1 << 13,
1377 : OMP_MAP_PRESENT_TO = (1 << 13) | OMP_MAP_TO,
1378 : OMP_MAP_PRESENT_FROM = (1 << 13) | OMP_MAP_FROM,
1379 : OMP_MAP_PRESENT_TOFROM = (1 << 13) | OMP_MAP_TOFROM,
1380 : OMP_MAP_ALWAYS_PRESENT_TO = OMP_MAP_ALWAYS_TO | OMP_MAP_PRESENT_TO,
1381 : OMP_MAP_ALWAYS_PRESENT_FROM = OMP_MAP_ALWAYS_FROM | OMP_MAP_PRESENT_FROM,
1382 : OMP_MAP_ALWAYS_PRESENT_TOFROM = OMP_MAP_ALWAYS_TOFROM | OMP_MAP_PRESENT_TOFROM,
1383 : OMP_MAP_UNSET = 1 << 14
1384 : };
1385 :
1386 : enum gfc_omp_defaultmap
1387 : {
1388 : OMP_DEFAULTMAP_UNSET,
1389 : OMP_DEFAULTMAP_ALLOC,
1390 : OMP_DEFAULTMAP_TO,
1391 : OMP_DEFAULTMAP_FROM,
1392 : OMP_DEFAULTMAP_TOFROM,
1393 : OMP_DEFAULTMAP_FIRSTPRIVATE,
1394 : OMP_DEFAULTMAP_NONE,
1395 : OMP_DEFAULTMAP_DEFAULT,
1396 : OMP_DEFAULTMAP_PRESENT
1397 : };
1398 :
1399 : enum gfc_omp_defaultmap_category
1400 : {
1401 : OMP_DEFAULTMAP_CAT_UNCATEGORIZED,
1402 : OMP_DEFAULTMAP_CAT_ALL,
1403 : OMP_DEFAULTMAP_CAT_SCALAR,
1404 : OMP_DEFAULTMAP_CAT_AGGREGATE,
1405 : OMP_DEFAULTMAP_CAT_ALLOCATABLE,
1406 : OMP_DEFAULTMAP_CAT_POINTER,
1407 : OMP_DEFAULTMAP_CAT_NUM
1408 : };
1409 :
1410 : enum gfc_omp_linear_op
1411 : {
1412 : OMP_LINEAR_DEFAULT,
1413 : OMP_LINEAR_REF,
1414 : OMP_LINEAR_VAL,
1415 : OMP_LINEAR_UVAL
1416 : };
1417 :
1418 : typedef struct gfc_omp_namelist_udm
1419 : {
1420 : /* When adding more struct members, change the struct use in gfc_omp_namelist
1421 : to a pointer and move the struct definition down, placing it after
1422 : '#define gfc_get_omp_udm'. */
1423 : struct gfc_omp_udm *udm;
1424 : }
1425 : gfc_omp_namelist_udm;
1426 :
1427 : /* For use in OpenMP clauses in case we need extra information
1428 : (aligned clause alignment, linear clause step, etc.). */
1429 :
1430 : typedef struct gfc_omp_namelist
1431 : {
1432 : struct gfc_symbol *sym;
1433 : struct gfc_expr *expr;
1434 : union
1435 : {
1436 : gfc_omp_reduction_op reduction_op;
1437 : gfc_omp_depend_doacross_op depend_doacross_op;
1438 : struct
1439 : {
1440 : ENUM_BITFIELD (gfc_omp_map_op) op : 16;
1441 : bool readonly;
1442 : } map;
1443 : gfc_expr *align;
1444 : struct
1445 : {
1446 : ENUM_BITFIELD (gfc_omp_linear_op) op:4;
1447 : bool old_modifier;
1448 : } linear;
1449 : struct gfc_common_head *common;
1450 : struct gfc_symbol *memspace_sym;
1451 : bool lastprivate_conditional;
1452 : bool present_modifier;
1453 : struct
1454 : {
1455 : int len;
1456 : bool target;
1457 : bool targetsync;
1458 : } init;
1459 : struct
1460 : {
1461 : bool need_ptr:1;
1462 : bool need_addr:1;
1463 : bool range_start:1;
1464 : bool omp_num_args_plus:1;
1465 : bool omp_num_args_minus:1;
1466 : bool error_p:1;
1467 : } adj_args;
1468 : } u;
1469 : union
1470 : {
1471 : struct gfc_omp_namelist_udr *udr;
1472 : struct gfc_omp_namelist_udm udm;
1473 : gfc_namespace *ns;
1474 : gfc_expr *allocator;
1475 : struct gfc_symbol *traits_sym;
1476 : struct gfc_omp_namelist *duplicate_of;
1477 : char *init_interop;
1478 : } u2;
1479 : struct gfc_omp_namelist *next;
1480 : locus where;
1481 : }
1482 : gfc_omp_namelist;
1483 :
1484 : #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1485 :
1486 : enum gfc_omp_list_type
1487 : {
1488 : OMP_LIST_FIRST,
1489 : OMP_LIST_PRIVATE = OMP_LIST_FIRST,
1490 : OMP_LIST_FIRSTPRIVATE,
1491 : OMP_LIST_LASTPRIVATE,
1492 : OMP_LIST_COPYPRIVATE,
1493 : OMP_LIST_SHARED,
1494 : OMP_LIST_COPYIN,
1495 : OMP_LIST_UNIFORM,
1496 : OMP_LIST_AFFINITY,
1497 : OMP_LIST_ALIGNED,
1498 : OMP_LIST_LINEAR,
1499 : OMP_LIST_DEPEND,
1500 : OMP_LIST_MAP,
1501 : OMP_LIST_TO,
1502 : OMP_LIST_FROM,
1503 : OMP_LIST_SCAN_IN,
1504 : OMP_LIST_SCAN_EX,
1505 : OMP_LIST_REDUCTION,
1506 : OMP_LIST_REDUCTION_INSCAN,
1507 : OMP_LIST_REDUCTION_TASK,
1508 : OMP_LIST_IN_REDUCTION,
1509 : OMP_LIST_TASK_REDUCTION,
1510 : OMP_LIST_DEVICE_RESIDENT,
1511 : OMP_LIST_LINK,
1512 : OMP_LIST_LOCAL,
1513 : OMP_LIST_USE_DEVICE,
1514 : OMP_LIST_CACHE,
1515 : OMP_LIST_IS_DEVICE_PTR,
1516 : OMP_LIST_USE_DEVICE_PTR,
1517 : OMP_LIST_USE_DEVICE_ADDR,
1518 : OMP_LIST_NONTEMPORAL,
1519 : OMP_LIST_ALLOCATE,
1520 : OMP_LIST_HAS_DEVICE_ADDR,
1521 : OMP_LIST_ENTER,
1522 : OMP_LIST_USES_ALLOCATORS,
1523 : OMP_LIST_INIT,
1524 : OMP_LIST_USE,
1525 : OMP_LIST_DESTROY,
1526 : OMP_LIST_INTEROP,
1527 : OMP_LIST_ADJUST_ARGS,
1528 : OMP_LIST_NUM, /* Must be the last (together with OMP_LIST_NONE). */
1529 : OMP_LIST_NONE = OMP_LIST_NUM
1530 : };
1531 :
1532 : /* Because a symbol can belong to multiple namelists, they must be
1533 : linked externally to the symbol itself. */
1534 :
1535 : enum gfc_omp_sched_kind
1536 : {
1537 : OMP_SCHED_NONE,
1538 : OMP_SCHED_STATIC,
1539 : OMP_SCHED_DYNAMIC,
1540 : OMP_SCHED_GUIDED,
1541 : OMP_SCHED_RUNTIME,
1542 : OMP_SCHED_AUTO
1543 : };
1544 :
1545 : enum gfc_omp_default_sharing
1546 : {
1547 : OMP_DEFAULT_UNKNOWN,
1548 : OMP_DEFAULT_NONE,
1549 : OMP_DEFAULT_PRIVATE,
1550 : OMP_DEFAULT_SHARED,
1551 : OMP_DEFAULT_FIRSTPRIVATE,
1552 : OMP_DEFAULT_PRESENT
1553 : };
1554 :
1555 : enum gfc_omp_proc_bind_kind
1556 : {
1557 : OMP_PROC_BIND_UNKNOWN,
1558 : OMP_PROC_BIND_PRIMARY,
1559 : OMP_PROC_BIND_MASTER,
1560 : OMP_PROC_BIND_SPREAD,
1561 : OMP_PROC_BIND_CLOSE
1562 : };
1563 :
1564 : enum gfc_omp_cancel_kind
1565 : {
1566 : OMP_CANCEL_UNKNOWN,
1567 : OMP_CANCEL_PARALLEL,
1568 : OMP_CANCEL_SECTIONS,
1569 : OMP_CANCEL_DO,
1570 : OMP_CANCEL_TASKGROUP
1571 : };
1572 :
1573 : enum gfc_omp_if_kind
1574 : {
1575 : OMP_IF_CANCEL,
1576 : OMP_IF_PARALLEL,
1577 : OMP_IF_SIMD,
1578 : OMP_IF_TASK,
1579 : OMP_IF_TASKLOOP,
1580 : OMP_IF_TARGET,
1581 : OMP_IF_TARGET_DATA,
1582 : OMP_IF_TARGET_UPDATE,
1583 : OMP_IF_TARGET_ENTER_DATA,
1584 : OMP_IF_TARGET_EXIT_DATA,
1585 : OMP_IF_LAST
1586 : };
1587 :
1588 : enum gfc_omp_atomic_op
1589 : {
1590 : GFC_OMP_ATOMIC_UNSET = 0,
1591 : GFC_OMP_ATOMIC_UPDATE = 1,
1592 : GFC_OMP_ATOMIC_READ = 2,
1593 : GFC_OMP_ATOMIC_WRITE = 3,
1594 : GFC_OMP_ATOMIC_MASK = 3,
1595 : GFC_OMP_ATOMIC_SWAP = 16
1596 : };
1597 :
1598 : enum gfc_omp_requires_kind
1599 : {
1600 : /* Keep gfc_namespace's omp_requires bitfield size in sync. */
1601 : OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST = 1, /* 001 */
1602 : OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL = 2, /* 010 */
1603 : OMP_REQ_ATOMIC_MEM_ORDER_RELAXED = 3, /* 011 */
1604 : OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE = 4, /* 100 */
1605 : OMP_REQ_ATOMIC_MEM_ORDER_RELEASE = 5, /* 101 */
1606 : OMP_REQ_REVERSE_OFFLOAD = (1 << 3),
1607 : OMP_REQ_UNIFIED_ADDRESS = (1 << 4),
1608 : OMP_REQ_UNIFIED_SHARED_MEMORY = (1 << 5),
1609 : OMP_REQ_SELF_MAPS = (1 << 6),
1610 : OMP_REQ_DYNAMIC_ALLOCATORS = (1 << 7),
1611 : OMP_REQ_TARGET_MASK = (OMP_REQ_REVERSE_OFFLOAD
1612 : | OMP_REQ_UNIFIED_ADDRESS
1613 : | OMP_REQ_UNIFIED_SHARED_MEMORY
1614 : | OMP_REQ_SELF_MAPS),
1615 : OMP_REQ_ATOMIC_MEM_ORDER_MASK = (OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST
1616 : | OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL
1617 : | OMP_REQ_ATOMIC_MEM_ORDER_RELAXED
1618 : | OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE
1619 : | OMP_REQ_ATOMIC_MEM_ORDER_RELEASE)
1620 : };
1621 :
1622 : enum gfc_omp_memorder
1623 : {
1624 : OMP_MEMORDER_UNSET,
1625 : OMP_MEMORDER_SEQ_CST,
1626 : OMP_MEMORDER_ACQ_REL,
1627 : OMP_MEMORDER_RELEASE,
1628 : OMP_MEMORDER_ACQUIRE,
1629 : OMP_MEMORDER_RELAXED
1630 : };
1631 :
1632 : enum gfc_omp_bind_type
1633 : {
1634 : OMP_BIND_UNSET,
1635 : OMP_BIND_TEAMS,
1636 : OMP_BIND_PARALLEL,
1637 : OMP_BIND_THREAD
1638 : };
1639 :
1640 : enum gfc_omp_fallback
1641 : {
1642 : OMP_FALLBACK_NONE,
1643 : OMP_FALLBACK_ABORT,
1644 : OMP_FALLBACK_DEFAULT_MEM,
1645 : OMP_FALLBACK_NULL
1646 : };
1647 :
1648 : typedef struct gfc_omp_assumptions
1649 : {
1650 : int n_absent, n_contains;
1651 : enum gfc_statement *absent, *contains;
1652 : gfc_expr_list *holds;
1653 : bool no_openmp:1, no_openmp_routines:1, no_openmp_constructs:1;
1654 : bool no_parallelism:1;
1655 : }
1656 : gfc_omp_assumptions;
1657 :
1658 : #define gfc_get_omp_assumptions() XCNEW (gfc_omp_assumptions)
1659 :
1660 :
1661 : typedef struct gfc_omp_clauses
1662 : {
1663 : gfc_omp_namelist *lists[OMP_LIST_NUM];
1664 : struct gfc_expr *if_expr;
1665 : struct gfc_expr *if_exprs[OMP_IF_LAST];
1666 : struct gfc_expr *self_expr;
1667 : struct gfc_expr *final_expr;
1668 : struct gfc_expr *num_threads;
1669 : struct gfc_expr *chunk_size;
1670 : struct gfc_expr *safelen_expr;
1671 : struct gfc_expr *simdlen_expr;
1672 : struct gfc_expr *num_teams_lower;
1673 : struct gfc_expr *num_teams_upper;
1674 : struct gfc_expr *device;
1675 : struct gfc_expr *thread_limit;
1676 : struct gfc_expr *grainsize;
1677 : struct gfc_expr *filter;
1678 : struct gfc_expr *hint;
1679 : struct gfc_expr *num_tasks;
1680 : struct gfc_expr *priority;
1681 : struct gfc_expr *detach;
1682 : struct gfc_expr *depobj;
1683 : struct gfc_expr *dist_chunk_size;
1684 : struct gfc_expr *dyn_groupprivate;
1685 : struct gfc_expr *message;
1686 : struct gfc_expr *novariants;
1687 : struct gfc_expr *nocontext;
1688 : struct gfc_omp_assumptions *assume;
1689 : struct gfc_expr_list *sizes_list;
1690 : const char *critical_name;
1691 : enum gfc_omp_default_sharing default_sharing;
1692 : enum gfc_omp_atomic_op atomic_op;
1693 : enum gfc_omp_defaultmap defaultmap[OMP_DEFAULTMAP_CAT_NUM];
1694 : int collapse, orderedc;
1695 : int partial;
1696 : unsigned nowait:1, ordered:1, untied:1, mergeable:1, ancestor:1;
1697 : unsigned inbranch:1, notinbranch:1, nogroup:1;
1698 : unsigned sched_simd:1, sched_monotonic:1, sched_nonmonotonic:1;
1699 : unsigned simd:1, threads:1, doacross_source:1, depend_source:1, destroy:1;
1700 : unsigned order_unconstrained:1, order_reproducible:1, capture:1;
1701 : unsigned grainsize_strict:1, num_tasks_strict:1, compare:1, weak:1;
1702 : unsigned non_rectangular:1, order_concurrent:1;
1703 : unsigned contains_teams_construct:1, target_first_st_is_teams_or_meta:1;
1704 : unsigned contained_in_target_construct:1, indirect:1;
1705 : unsigned full:1, erroneous:1;
1706 : ENUM_BITFIELD (gfc_omp_sched_kind) sched_kind:3;
1707 : ENUM_BITFIELD (gfc_omp_device_type) device_type:2;
1708 : ENUM_BITFIELD (gfc_omp_memorder) memorder:3;
1709 : ENUM_BITFIELD (gfc_omp_memorder) fail:3;
1710 : ENUM_BITFIELD (gfc_omp_cancel_kind) cancel:3;
1711 : ENUM_BITFIELD (gfc_omp_proc_bind_kind) proc_bind:3;
1712 : ENUM_BITFIELD (gfc_omp_depend_doacross_op) depobj_update:4;
1713 : ENUM_BITFIELD (gfc_omp_bind_type) bind:2;
1714 : ENUM_BITFIELD (gfc_omp_at_type) at:2;
1715 : ENUM_BITFIELD (gfc_omp_severity_type) severity:2;
1716 : ENUM_BITFIELD (gfc_omp_sched_kind) dist_sched_kind:3;
1717 : ENUM_BITFIELD (gfc_omp_fallback) fallback:2;
1718 :
1719 : /* OpenACC. */
1720 : struct gfc_expr *async_expr;
1721 : struct gfc_expr *gang_static_expr;
1722 : struct gfc_expr *gang_num_expr;
1723 : struct gfc_expr *worker_expr;
1724 : struct gfc_expr *vector_expr;
1725 : struct gfc_expr *num_gangs_expr;
1726 : struct gfc_expr *num_workers_expr;
1727 : struct gfc_expr *vector_length_expr;
1728 : gfc_expr_list *wait_list;
1729 : gfc_expr_list *tile_list;
1730 : unsigned async:1, gang:1, worker:1, vector:1, seq:1, independent:1;
1731 : unsigned par_auto:1, gang_static:1;
1732 : unsigned if_present:1, finalize:1;
1733 : unsigned nohost:1;
1734 : locus loc;
1735 : }
1736 : gfc_omp_clauses;
1737 :
1738 : #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1739 :
1740 :
1741 : /* Node in the linked list used for storing !$oacc declare constructs. */
1742 :
1743 : typedef struct gfc_oacc_declare
1744 : {
1745 : struct gfc_oacc_declare *next;
1746 : bool module_var;
1747 : gfc_omp_clauses *clauses;
1748 : locus loc;
1749 : }
1750 : gfc_oacc_declare;
1751 :
1752 : #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1753 :
1754 :
1755 : /* Node in the linked list used for storing !$omp declare simd constructs. */
1756 :
1757 : typedef struct gfc_omp_declare_simd
1758 : {
1759 : struct gfc_omp_declare_simd *next;
1760 : locus where; /* Where the !$omp declare simd construct occurred. */
1761 :
1762 : gfc_symbol *proc_name;
1763 :
1764 : gfc_omp_clauses *clauses;
1765 : }
1766 : gfc_omp_declare_simd;
1767 : #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1768 :
1769 : /* For OpenMP trait selector enum types and tables. */
1770 : #include "omp-selectors.h"
1771 :
1772 : typedef struct gfc_omp_trait_property
1773 : {
1774 : struct gfc_omp_trait_property *next;
1775 : enum omp_tp_type property_kind;
1776 : bool is_name : 1;
1777 :
1778 : union
1779 : {
1780 : gfc_expr *expr;
1781 : gfc_symbol *sym;
1782 : gfc_omp_clauses *clauses;
1783 : char *name;
1784 : };
1785 : } gfc_omp_trait_property;
1786 : #define gfc_get_omp_trait_property() XCNEW (gfc_omp_trait_property)
1787 :
1788 : typedef struct gfc_omp_selector
1789 : {
1790 : struct gfc_omp_selector *next;
1791 : enum omp_ts_code code;
1792 : gfc_expr *score;
1793 : struct gfc_omp_trait_property *properties;
1794 : } gfc_omp_selector;
1795 : #define gfc_get_omp_selector() XCNEW (gfc_omp_selector)
1796 :
1797 : typedef struct gfc_omp_set_selector
1798 : {
1799 : struct gfc_omp_set_selector *next;
1800 : enum omp_tss_code code;
1801 : struct gfc_omp_selector *trait_selectors;
1802 : } gfc_omp_set_selector;
1803 : #define gfc_get_omp_set_selector() XCNEW (gfc_omp_set_selector)
1804 :
1805 :
1806 : /* Node in the linked list used for storing !$omp declare variant
1807 : constructs. */
1808 :
1809 : typedef struct gfc_omp_declare_variant
1810 : {
1811 : struct gfc_omp_declare_variant *next;
1812 : locus where; /* Where the !$omp declare variant construct occurred. */
1813 :
1814 : struct gfc_symtree *base_proc_symtree;
1815 : struct gfc_symtree *variant_proc_symtree;
1816 :
1817 : gfc_omp_set_selector *set_selectors;
1818 : gfc_omp_namelist *adjust_args_list;
1819 : gfc_omp_namelist *append_args_list;
1820 :
1821 : bool checked_p : 1; /* Set if previously checked for errors. */
1822 : bool error_p : 1; /* Set if error found in directive. */
1823 : }
1824 : gfc_omp_declare_variant;
1825 : #define gfc_get_omp_declare_variant() XCNEW (gfc_omp_declare_variant)
1826 :
1827 : typedef struct gfc_omp_variant
1828 : {
1829 : struct gfc_omp_variant *next;
1830 : locus where; /* Where the metadirective clause occurred. */
1831 :
1832 : gfc_omp_set_selector *selectors;
1833 : enum gfc_statement stmt;
1834 : struct gfc_code *code;
1835 :
1836 : } gfc_omp_variant;
1837 : #define gfc_get_omp_variant() XCNEW (gfc_omp_variant)
1838 :
1839 : typedef struct gfc_omp_udr
1840 : {
1841 : struct gfc_omp_udr *next;
1842 : locus where; /* Where the !$omp declare reduction construct occurred. */
1843 :
1844 : const char *name;
1845 : gfc_typespec ts;
1846 : gfc_omp_reduction_op rop;
1847 :
1848 : struct gfc_symbol *omp_out;
1849 : struct gfc_symbol *omp_in;
1850 : struct gfc_namespace *combiner_ns;
1851 :
1852 : struct gfc_symbol *omp_priv;
1853 : struct gfc_symbol *omp_orig;
1854 : struct gfc_namespace *initializer_ns;
1855 : }
1856 : gfc_omp_udr;
1857 : #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1858 :
1859 : typedef struct gfc_omp_namelist_udr
1860 : {
1861 : struct gfc_omp_udr *udr;
1862 : struct gfc_code *combiner;
1863 : struct gfc_code *initializer;
1864 : }
1865 : gfc_omp_namelist_udr;
1866 : #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1867 :
1868 :
1869 : typedef struct gfc_omp_udm
1870 : {
1871 : struct gfc_omp_udm *next;
1872 : locus where; /* Where the !$omp declare mapper construct occurred. */
1873 :
1874 : const char *mapper_id;
1875 : gfc_typespec ts;
1876 :
1877 : struct gfc_symbol *var_sym;
1878 : struct gfc_namespace *mapper_ns;
1879 :
1880 : /* FIXME: We don't need a whole gfc_omp_clauses here. We only use the
1881 : OMP_LIST_MAP clause list; however, the used resolve_omp_clauses
1882 : requires the full set. */
1883 : gfc_omp_clauses *clauses;
1884 :
1885 : tree backend_decl;
1886 : }
1887 : gfc_omp_udm;
1888 : #define gfc_get_omp_udm() XCNEW (gfc_omp_udm)
1889 :
1890 : /* The gfc_st_label structure is a BBT attached to a namespace that
1891 : records the usage of statement labels within that space. */
1892 :
1893 : typedef struct gfc_st_label
1894 : {
1895 : BBT_HEADER(gfc_st_label);
1896 :
1897 : int value;
1898 :
1899 : gfc_sl_type defined, referenced;
1900 :
1901 : struct gfc_expr *format;
1902 :
1903 : tree backend_decl;
1904 :
1905 : locus where;
1906 :
1907 : gfc_namespace *ns;
1908 : int omp_region;
1909 : }
1910 : gfc_st_label;
1911 :
1912 :
1913 : /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1914 : typedef struct gfc_interface
1915 : {
1916 : struct gfc_symbol *sym;
1917 : locus where;
1918 : struct gfc_interface *next;
1919 : }
1920 : gfc_interface;
1921 :
1922 : #define gfc_get_interface() XCNEW (gfc_interface)
1923 :
1924 : /* User operator nodes. These are like stripped down symbols. */
1925 : typedef struct
1926 : {
1927 : const char *name;
1928 :
1929 : gfc_interface *op;
1930 : struct gfc_namespace *ns;
1931 : gfc_access access;
1932 : }
1933 : gfc_user_op;
1934 :
1935 :
1936 : /* A list of specific bindings that are associated with a generic spec. */
1937 : typedef struct gfc_tbp_generic
1938 : {
1939 : /* The parser sets specific_st, upon resolution we look for the corresponding
1940 : gfc_typebound_proc and set specific for further use. */
1941 : struct gfc_symtree* specific_st;
1942 : struct gfc_typebound_proc* specific;
1943 :
1944 : struct gfc_tbp_generic* next;
1945 : bool is_operator;
1946 : }
1947 : gfc_tbp_generic;
1948 :
1949 : #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1950 :
1951 :
1952 : /* Data needed for type-bound procedures. */
1953 : typedef struct gfc_typebound_proc
1954 : {
1955 : locus where; /* Where the PROCEDURE/GENERIC definition was. */
1956 :
1957 : union
1958 : {
1959 : struct gfc_symtree* specific; /* The interface if DEFERRED. */
1960 : gfc_tbp_generic* generic;
1961 : }
1962 : u;
1963 :
1964 : gfc_access access;
1965 : const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1966 :
1967 : /* The overridden type-bound proc (or GENERIC with this name in the
1968 : parent-type) or NULL if non. */
1969 : struct gfc_typebound_proc* overridden;
1970 :
1971 : /* Once resolved, we use the position of pass_arg in the formal arglist of
1972 : the binding-target procedure to identify it. The first argument has
1973 : number 1 here, the second 2, and so on. */
1974 : unsigned pass_arg_num;
1975 :
1976 : unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1977 : unsigned non_overridable:1;
1978 : unsigned deferred:1;
1979 : unsigned is_generic:1;
1980 : unsigned function:1, subroutine:1;
1981 : unsigned error:1; /* Ignore it, when an error occurred during resolution. */
1982 : unsigned ppc:1;
1983 : }
1984 : gfc_typebound_proc;
1985 :
1986 : #define gfc_get_tbp() XCNEW (gfc_typebound_proc)
1987 :
1988 : /* Symbol nodes. These are important things. They are what the
1989 : standard refers to as "entities". The possibly multiple names that
1990 : refer to the same entity are accomplished by a binary tree of
1991 : symtree structures that is balanced by the red-black method-- more
1992 : than one symtree node can point to any given symbol. */
1993 :
1994 : typedef struct gfc_symbol
1995 : {
1996 : const char *name; /* Primary name, before renaming */
1997 : const char *module; /* Module this symbol came from */
1998 : locus declared_at;
1999 :
2000 : gfc_typespec ts;
2001 : symbol_attribute attr;
2002 :
2003 : /* The formal member points to the formal argument list if the
2004 : symbol is a function or subroutine name. If the symbol is a
2005 : generic name, the generic member points to the list of
2006 : interfaces. */
2007 :
2008 : gfc_interface *generic;
2009 : gfc_access component_access;
2010 :
2011 : gfc_formal_arglist *formal;
2012 : struct gfc_namespace *formal_ns;
2013 : struct gfc_namespace *f2k_derived;
2014 :
2015 : /* List of PDT parameter expressions */
2016 : struct gfc_actual_arglist *param_list;
2017 : struct gfc_symbol *template_sym;
2018 :
2019 : struct gfc_expr *value; /* Parameter/Initializer value */
2020 : gfc_array_spec *as;
2021 : struct gfc_symbol *result; /* function result symbol */
2022 : gfc_component *components; /* Derived type components */
2023 :
2024 : /* Defined only for Cray pointees; points to their pointer. */
2025 : struct gfc_symbol *cp_pointer;
2026 :
2027 : int entry_id; /* Used in resolve.cc for entries. */
2028 :
2029 : /* CLASS hashed name for declared and dynamic types in the class. */
2030 : int hash_value;
2031 :
2032 : struct gfc_symbol *common_next; /* Links for COMMON syms */
2033 :
2034 : /* This is only used for pointer comparisons to check if symbols
2035 : are in the same common block.
2036 : In opposition to common_block, the common_head pointer takes into account
2037 : equivalences: if A is in a common block C and A and B are in equivalence,
2038 : then both A and B have common_head pointing to C, while A's common_block
2039 : points to C and B's is NULL. */
2040 : struct gfc_common_head* common_head;
2041 :
2042 : /* Make sure initialization code is generated in the correct order. */
2043 : int decl_order;
2044 :
2045 : gfc_namelist *namelist, *namelist_tail;
2046 :
2047 : /* The tlink field is used in the front end to carry the module
2048 : declaration of separate module procedures so that the characteristics
2049 : can be compared with the corresponding declaration in a submodule. In
2050 : translation this field carries a linked list of symbols that require
2051 : deferred initialization. */
2052 : struct gfc_symbol *tlink;
2053 :
2054 : /* Change management fields. Symbols that might be modified by the
2055 : current statement have the mark member nonzero. Of these symbols,
2056 : symbols with old_symbol equal to NULL are symbols created within
2057 : the current statement. Otherwise, old_symbol points to a copy of
2058 : the old symbol. gfc_new is used in symbol.cc to flag new symbols.
2059 : comp_mark is used to indicate variables which have component accesses
2060 : in OpenMP/OpenACC directive clauses (cf. c-typeck.cc:c_finish_omp_clauses,
2061 : map_field_head).
2062 : data_mark is used to check duplicate mappings for OpenMP data-sharing
2063 : clauses (see firstprivate_head/lastprivate_head in the above function).
2064 : dev_mark is used to check duplicate mappings for OpenMP
2065 : is_device_ptr/has_device_addr clauses (see is_on_device_head in above
2066 : function).
2067 : gen_mark is used to check duplicate mappings for OpenMP
2068 : use_device_ptr/use_device_addr/private/shared clauses (see generic_head in
2069 : above functon).
2070 : reduc_mark is used to check duplicate mappings for OpenMP reduction
2071 : clauses. */
2072 : struct gfc_symbol *old_symbol;
2073 : unsigned mark:1, comp_mark:1, data_mark:1, dev_mark:1, gen_mark:1;
2074 : unsigned reduc_mark:1, gfc_new:1;
2075 :
2076 : /* Nonzero if all equivalences associated with this symbol have been
2077 : processed. */
2078 : unsigned equiv_built:1;
2079 : /* Set if this variable is used as an index name in a FORALL. */
2080 : unsigned forall_index:1;
2081 : /* Set if the symbol is used in a function result specification . */
2082 : unsigned fn_result_spec:1;
2083 : /* Set if the symbol spec. depends on an old-style function result. */
2084 : unsigned fn_result_dep:1;
2085 : /* Used to avoid multiple resolutions of a single symbol. */
2086 : /* = 2 if this has already been resolved as an intrinsic,
2087 : in gfc_resolve_intrinsic,
2088 : = 1 if it has been resolved in resolve_symbol. */
2089 : unsigned resolve_symbol_called:2;
2090 : /* Set if this is a module function or subroutine with the
2091 : abbreviated declaration in a submodule. */
2092 : unsigned abr_modproc_decl:1;
2093 : /* Set if a previous error or warning has occurred and no other
2094 : should be reported. */
2095 : unsigned error:1;
2096 : /* Set if the dummy argument of a procedure could be an array despite
2097 : being called with a scalar actual argument. */
2098 : unsigned maybe_array:1;
2099 : /* Set if this should be passed by value, but is not a VALUE argument
2100 : according to the Fortran standard. */
2101 : unsigned pass_as_value:1;
2102 : /* Set if an external dummy argument is called with different argument lists.
2103 : This is legal in Fortran, but can cause problems with autogenerated
2104 : C prototypes for C23. */
2105 : unsigned ext_dummy_arglist_mismatch:1;
2106 : /* Set if the formal arglist has already been resolved, to avoid
2107 : trying to generate it again from actual arguments. */
2108 : unsigned formal_resolved:1;
2109 :
2110 : /* Reference counter, used for memory management.
2111 :
2112 : Some symbols may be present in more than one namespace, for example
2113 : function and subroutine symbols are present both in the outer namespace and
2114 : the procedure body namespace. Freeing symbols with the namespaces they are
2115 : in would result in double free for those symbols. This field counts
2116 : references and is used to delay the memory release until the last reference
2117 : to the symbol is removed.
2118 :
2119 : Not every symbol pointer is accounted for reference counting. Fields
2120 : gfc_symtree::n::sym are, and gfc_finalizer::proc_sym as well. But most of
2121 : them (dummy arguments, generic list elements, etc) are "weak" pointers;
2122 : the reference count isn't updated when they are assigned, and they are
2123 : ignored when the surrounding structure memory is released. This is not a
2124 : problem because there is always a namespace as surrounding context and
2125 : symbols have a name they can be referred with in that context, so the
2126 : namespace keeps the symbol from being freed, keeping the pointer valid.
2127 : When the namespace ceases to exist, and the symbols with it, the other
2128 : structures referencing symbols cease to exist as well. */
2129 : int refs;
2130 :
2131 : struct gfc_namespace *ns; /* namespace containing this symbol */
2132 :
2133 : tree backend_decl;
2134 :
2135 : /* Identity of the intrinsic module the symbol comes from, or
2136 : INTMOD_NONE if it's not imported from a intrinsic module. */
2137 : intmod_id from_intmod;
2138 : /* Identity of the symbol from intrinsic modules, from enums maintained
2139 : separately by each intrinsic module. Used together with from_intmod,
2140 : it uniquely identifies a symbol from an intrinsic module. */
2141 : int intmod_sym_id;
2142 :
2143 : /* This may be repetitive, since the typespec now has a binding
2144 : label field. */
2145 : const char* binding_label;
2146 : /* Store a reference to the common_block, if this symbol is in one. */
2147 : struct gfc_common_head *common_block;
2148 :
2149 : /* Link to corresponding association-list if this is an associate name. */
2150 : struct gfc_association_list *assoc;
2151 :
2152 : /* Link to next entry in derived type list */
2153 : struct gfc_symbol *dt_next;
2154 :
2155 : /* This is for determining where the symbol has been used first, for better
2156 : location of error messages. */
2157 : locus formal_at;
2158 : }
2159 : gfc_symbol;
2160 :
2161 :
2162 : struct gfc_undo_change_set
2163 : {
2164 : vec<gfc_symbol *> syms;
2165 : vec<gfc_typebound_proc *> tbps;
2166 : gfc_undo_change_set *previous;
2167 : };
2168 :
2169 :
2170 : /* This structure is used to keep track of symbols in common blocks. */
2171 : typedef struct gfc_common_head
2172 : {
2173 : locus where;
2174 : char use_assoc, saved, threadprivate;
2175 : unsigned char omp_declare_target : 1;
2176 : unsigned char omp_declare_target_link : 1;
2177 : unsigned char omp_declare_target_local : 1;
2178 : unsigned char omp_groupprivate : 1;
2179 : ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2;
2180 : /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */
2181 : char name[2*GFC_MAX_SYMBOL_LEN + 1 + 14 + 1];
2182 : struct gfc_symbol *head;
2183 : const char* binding_label;
2184 : int is_bind_c;
2185 : int refs;
2186 : }
2187 : gfc_common_head;
2188 :
2189 : #define gfc_get_common_head() XCNEW (gfc_common_head)
2190 :
2191 :
2192 : /* A list of all the alternate entry points for a procedure. */
2193 :
2194 : typedef struct gfc_entry_list
2195 : {
2196 : /* The symbol for this entry point. */
2197 : gfc_symbol *sym;
2198 : /* The zero-based id of this entry point. */
2199 : int id;
2200 : /* The LABEL_EXPR marking this entry point. */
2201 : tree label;
2202 : /* The next item in the list. */
2203 : struct gfc_entry_list *next;
2204 : }
2205 : gfc_entry_list;
2206 :
2207 : #define gfc_get_entry_list() XCNEW (gfc_entry_list)
2208 :
2209 : /* Lists of rename info for the USE statement. */
2210 :
2211 : typedef struct gfc_use_rename
2212 : {
2213 : char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
2214 : struct gfc_use_rename *next;
2215 : int found;
2216 : gfc_intrinsic_op op;
2217 : locus where;
2218 : }
2219 : gfc_use_rename;
2220 :
2221 : #define gfc_get_use_rename() XCNEW (gfc_use_rename);
2222 :
2223 : /* A list of all USE statements in a namespace. */
2224 :
2225 : typedef struct gfc_use_list
2226 : {
2227 : const char *module_name;
2228 : const char *submodule_name;
2229 : bool intrinsic;
2230 : bool non_intrinsic;
2231 : bool only_flag;
2232 : struct gfc_use_rename *rename;
2233 : locus where;
2234 : /* Next USE statement. */
2235 : struct gfc_use_list *next;
2236 : }
2237 : gfc_use_list;
2238 :
2239 : #define gfc_get_use_list() XCNEW (gfc_use_list)
2240 :
2241 : /* Within a namespace, symbols are pointed to by symtree nodes that
2242 : are linked together in a balanced binary tree. There can be
2243 : several symtrees pointing to the same symbol node via USE
2244 : statements. */
2245 :
2246 : typedef struct gfc_symtree
2247 : {
2248 : BBT_HEADER (gfc_symtree);
2249 : const char *name;
2250 : int ambiguous;
2251 : union
2252 : {
2253 : gfc_symbol *sym; /* Symbol associated with this node */
2254 : gfc_user_op *uop;
2255 : gfc_common_head *common;
2256 : gfc_typebound_proc *tb;
2257 : gfc_omp_udr *omp_udr;
2258 : gfc_omp_udm *omp_udm;
2259 : }
2260 : n;
2261 : unsigned import_only:1;
2262 : }
2263 : gfc_symtree;
2264 :
2265 : /* A list of all derived types. */
2266 : extern gfc_symbol *gfc_derived_types;
2267 :
2268 : typedef struct gfc_oacc_routine_name
2269 : {
2270 : struct gfc_symbol *sym;
2271 : struct gfc_omp_clauses *clauses;
2272 : struct gfc_oacc_routine_name *next;
2273 : locus loc;
2274 : }
2275 : gfc_oacc_routine_name;
2276 :
2277 : #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
2278 :
2279 : /* Node in linked list to see what has already been finalized
2280 : earlier. */
2281 :
2282 : typedef struct gfc_was_finalized {
2283 : gfc_expr *e;
2284 : gfc_component *c;
2285 : struct gfc_was_finalized *next;
2286 : }
2287 : gfc_was_finalized;
2288 :
2289 :
2290 : /* Flag F2018 import status */
2291 : enum importstate
2292 : { IMPORT_NOT_SET = 0, /* Default condition. */
2293 : IMPORT_F2008, /* Old style IMPORT. */
2294 : IMPORT_ONLY, /* Import list used. */
2295 : IMPORT_NONE, /* No host association. Unique in scoping unit. */
2296 : IMPORT_ALL /* Must be unique in the scoping unit. */
2297 : };
2298 :
2299 :
2300 : /* A namespace describes the contents of procedure, module, interface block
2301 : or BLOCK construct. */
2302 : /* ??? Anything else use these? */
2303 :
2304 : typedef struct gfc_namespace
2305 : {
2306 : /* Tree containing all the symbols in this namespace. */
2307 : gfc_symtree *sym_root;
2308 : /* Tree containing all the user-defined operators in the namespace. */
2309 : gfc_symtree *uop_root;
2310 : /* Tree containing all the common blocks. */
2311 : gfc_symtree *common_root;
2312 : /* Tree containing all the OpenMP user defined reductions. */
2313 : gfc_symtree *omp_udr_root;
2314 : /* Tree containing all the OpenMP user defined mappers. */
2315 : gfc_symtree *omp_udm_root;
2316 :
2317 : /* Tree containing type-bound procedures. */
2318 : gfc_symtree *tb_sym_root;
2319 : /* Type-bound user operators. */
2320 : gfc_symtree *tb_uop_root;
2321 : /* For derived-types, store type-bound intrinsic operators here. */
2322 : gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS];
2323 : /* Linked list of finalizer procedures. */
2324 : struct gfc_finalizer *finalizers;
2325 :
2326 : /* If set_flag[letter] is set, an implicit type has been set for letter. */
2327 : int set_flag[GFC_LETTERS];
2328 : /* Keeps track of the implicit types associated with the letters. */
2329 : gfc_typespec default_type[GFC_LETTERS];
2330 : /* Store the positions of IMPLICIT statements. */
2331 : locus implicit_loc[GFC_LETTERS];
2332 :
2333 : /* If this is a namespace of a procedure, this points to the procedure. */
2334 : struct gfc_symbol *proc_name;
2335 : /* If this is the namespace of a unit which contains executable
2336 : code, this points to it. */
2337 : struct gfc_code *code;
2338 :
2339 : /* Points to the equivalences set up in this namespace. */
2340 : struct gfc_equiv *equiv, *old_equiv;
2341 :
2342 : /* Points to the equivalence groups produced by trans_common. */
2343 : struct gfc_equiv_list *equiv_lists;
2344 :
2345 : gfc_interface *op[GFC_INTRINSIC_OPS];
2346 :
2347 : /* Points to the parent namespace, i.e. the namespace of a module or
2348 : procedure in which the procedure belonging to this namespace is
2349 : contained. The parent namespace points to this namespace either
2350 : directly via CONTAINED, or indirectly via the chain built by
2351 : SIBLING. */
2352 : struct gfc_namespace *parent;
2353 : /* CONTAINED points to the first contained namespace. Sibling
2354 : namespaces are chained via SIBLING. */
2355 : struct gfc_namespace *contained, *sibling;
2356 :
2357 : gfc_common_head blank_common;
2358 : gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
2359 :
2360 : gfc_st_label *st_labels;
2361 : /* This list holds information about all the data initializers in
2362 : this namespace. */
2363 : struct gfc_data *data, *old_data;
2364 :
2365 : /* !$ACC DECLARE. */
2366 : gfc_oacc_declare *oacc_declare;
2367 :
2368 : /* !$ACC ROUTINE clauses. */
2369 : gfc_omp_clauses *oacc_routine_clauses;
2370 :
2371 : /* !$ACC TASK AFFINITY iterator symbols. */
2372 : gfc_symbol *omp_affinity_iterators;
2373 :
2374 : /* !$ACC ROUTINE names. */
2375 : gfc_oacc_routine_name *oacc_routine_names;
2376 :
2377 : gfc_charlen *cl_list;
2378 :
2379 : gfc_symbol *derived_types;
2380 :
2381 : int save_all, seen_save, seen_implicit_none;
2382 :
2383 : /* Normally we don't need to refcount namespaces. However when we read
2384 : a module containing a function with multiple entry points, this
2385 : will appear as several functions with the same formal namespace. */
2386 : int refs;
2387 :
2388 : /* A list of all alternate entry points to this procedure (or NULL). */
2389 : gfc_entry_list *entries;
2390 :
2391 : /* A list of USE statements in this namespace. */
2392 : gfc_use_list *use_stmts;
2393 :
2394 : /* Linked list of !$omp declare simd constructs. */
2395 : struct gfc_omp_declare_simd *omp_declare_simd;
2396 :
2397 : /* Linked list of !$omp declare variant constructs. */
2398 : struct gfc_omp_declare_variant *omp_declare_variant;
2399 :
2400 : /* OpenMP assumptions and allocate for static/stack vars. */
2401 : struct gfc_omp_assumptions *omp_assumes;
2402 : struct gfc_omp_namelist *omp_allocate;
2403 :
2404 : /* A hash set for the gfc expressions that have already
2405 : been finalized in this namespace. */
2406 :
2407 : gfc_was_finalized *was_finalized;
2408 :
2409 : /* Set to 1 if namespace is a BLOCK DATA program unit. */
2410 : unsigned is_block_data:1;
2411 :
2412 : /* Set to 1 if namespace is an interface body with "IMPORT" used. */
2413 : unsigned has_import_set:1;
2414 :
2415 : /* Flag F2018 import status */
2416 : ENUM_BITFIELD (importstate) import_state :3;
2417 :
2418 :
2419 : /* Set to 1 if the namespace uses "IMPLICIT NONE (export)". */
2420 : unsigned has_implicit_none_export:1;
2421 :
2422 : /* Set to 1 if resolved has been called for this namespace.
2423 : Holds -1 during resolution. */
2424 : signed resolved:2;
2425 :
2426 : /* Set when resolve_types has been called for this namespace. */
2427 : unsigned types_resolved:1;
2428 :
2429 : /* Set if the associate_name in a select type statement is an
2430 : inferred type. */
2431 : unsigned assoc_name_inferred:1;
2432 :
2433 : /* Set to 1 if code has been generated for this namespace. */
2434 : unsigned translated:1;
2435 :
2436 : /* Set to 1 if symbols in this namespace should be 'construct entities',
2437 : i.e. for BLOCK local variables. */
2438 : unsigned construct_entities:1;
2439 :
2440 : /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
2441 : unsigned omp_udr_ns:1;
2442 :
2443 : /* Set to 1 for !$OMP DECLARE MAPPER namespaces. */
2444 : unsigned omp_udm_ns:1;
2445 :
2446 : /* Set to 1 for !$ACC ROUTINE namespaces. */
2447 : unsigned oacc_routine:1;
2448 :
2449 : /* Set to 1 if there are any calls to procedures with implicit interface. */
2450 : unsigned implicit_interface_calls:1;
2451 :
2452 : /* OpenMP requires. */
2453 : unsigned omp_requires:8;
2454 : unsigned omp_target_seen:1;
2455 :
2456 : /* Set to 1 if this is an implicit OMP structured block. */
2457 : unsigned omp_structured_block:1;
2458 : }
2459 : gfc_namespace;
2460 :
2461 : extern gfc_namespace *gfc_current_ns;
2462 : extern gfc_namespace *gfc_global_ns_list;
2463 :
2464 : /* Global symbols are symbols of global scope. Currently we only use
2465 : this to detect collisions already when parsing.
2466 : TODO: Extend to verify procedure calls. */
2467 :
2468 : enum gfc_symbol_type
2469 : {
2470 : GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
2471 : GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA
2472 : };
2473 :
2474 : typedef struct gfc_gsymbol
2475 : {
2476 : BBT_HEADER(gfc_gsymbol);
2477 :
2478 : const char *name;
2479 : const char *sym_name;
2480 : const char *mod_name;
2481 : const char *binding_label;
2482 : enum gfc_symbol_type type;
2483 :
2484 : int defined, used;
2485 : bool bind_c;
2486 : locus where;
2487 : gfc_namespace *ns;
2488 : }
2489 : gfc_gsymbol;
2490 :
2491 : extern gfc_gsymbol *gfc_gsym_root;
2492 :
2493 : /* Information on interfaces being built. */
2494 : typedef struct
2495 : {
2496 : interface_type type;
2497 : gfc_symbol *sym;
2498 : gfc_namespace *ns;
2499 : gfc_user_op *uop;
2500 : gfc_intrinsic_op op;
2501 : }
2502 : gfc_interface_info;
2503 :
2504 : extern gfc_interface_info current_interface;
2505 :
2506 :
2507 : /* Array reference. */
2508 :
2509 : enum gfc_array_ref_dimen_type
2510 : {
2511 : DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN
2512 : };
2513 :
2514 : enum gfc_array_ref_team_type
2515 : {
2516 : TEAM_UNKNOWN = 0, TEAM_UNSET, TEAM_TEAM, TEAM_NUMBER
2517 : };
2518 :
2519 : typedef struct gfc_array_ref
2520 : {
2521 : ar_type type;
2522 : int dimen; /* # of components in the reference */
2523 : int codimen;
2524 : bool in_allocate; /* For coarray checks. */
2525 : enum gfc_array_ref_team_type team_type : 2;
2526 : gfc_expr *team;
2527 : gfc_expr *stat;
2528 : locus where;
2529 : gfc_array_spec *as;
2530 :
2531 : locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
2532 : struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
2533 : *stride[GFC_MAX_DIMENSIONS];
2534 :
2535 : enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS];
2536 : }
2537 : gfc_array_ref;
2538 :
2539 : #define gfc_get_array_ref() XCNEW (gfc_array_ref)
2540 :
2541 :
2542 : /* Component reference nodes. A variable is stored as an expression
2543 : node that points to the base symbol. After that, a singly linked
2544 : list of component reference nodes gives the variable's complete
2545 : resolution. The array_ref component may be present and comes
2546 : before the component component. */
2547 :
2548 : enum ref_type
2549 : { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING, REF_INQUIRY };
2550 :
2551 : enum inquiry_type
2552 : { INQUIRY_RE, INQUIRY_IM, INQUIRY_KIND, INQUIRY_LEN };
2553 :
2554 : typedef struct gfc_ref
2555 : {
2556 : ref_type type;
2557 :
2558 : union
2559 : {
2560 : struct gfc_array_ref ar;
2561 :
2562 : struct
2563 : {
2564 : gfc_component *component;
2565 : gfc_symbol *sym;
2566 : }
2567 : c;
2568 :
2569 : struct
2570 : {
2571 : struct gfc_expr *start, *end; /* Substring */
2572 : gfc_charlen *length;
2573 : }
2574 : ss;
2575 :
2576 : inquiry_type i;
2577 :
2578 : }
2579 : u;
2580 :
2581 : struct gfc_ref *next;
2582 : }
2583 : gfc_ref;
2584 :
2585 : #define gfc_get_ref() XCNEW (gfc_ref)
2586 :
2587 :
2588 : /* Structures representing intrinsic symbols and their arguments lists. */
2589 : typedef struct gfc_intrinsic_arg
2590 : {
2591 : char name[GFC_MAX_SYMBOL_LEN + 1];
2592 :
2593 : gfc_typespec ts;
2594 : unsigned optional:1, value:1;
2595 : ENUM_BITFIELD (sym_intent) intent:2;
2596 :
2597 : struct gfc_intrinsic_arg *next;
2598 : }
2599 : gfc_intrinsic_arg;
2600 :
2601 :
2602 : typedef enum {
2603 : GFC_UNDEFINED_DUMMY_ARG = 0,
2604 : GFC_INTRINSIC_DUMMY_ARG,
2605 : GFC_NON_INTRINSIC_DUMMY_ARG
2606 : }
2607 : gfc_dummy_arg_intrinsicness;
2608 :
2609 : /* dummy arg of either an intrinsic or a user-defined procedure. */
2610 : struct gfc_dummy_arg
2611 : {
2612 : gfc_dummy_arg_intrinsicness intrinsicness;
2613 :
2614 : union {
2615 : gfc_intrinsic_arg *intrinsic;
2616 : gfc_formal_arglist *non_intrinsic;
2617 : } u;
2618 : };
2619 :
2620 : #define gfc_get_dummy_arg() XCNEW (gfc_dummy_arg)
2621 :
2622 :
2623 : const char * gfc_dummy_arg_get_name (gfc_dummy_arg &);
2624 : const gfc_typespec & gfc_dummy_arg_get_typespec (gfc_dummy_arg &);
2625 : bool gfc_dummy_arg_is_optional (gfc_dummy_arg &);
2626 :
2627 :
2628 : /* Specifies the various kinds of check functions used to verify the
2629 : argument lists of intrinsic functions. fX with X an integer refer
2630 : to check functions of intrinsics with X arguments. f1m is used for
2631 : the MAX and MIN intrinsics which can have an arbitrary number of
2632 : arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2633 : these have special semantics. */
2634 :
2635 : typedef union
2636 : {
2637 : bool (*f0)(void);
2638 : bool (*f1)(struct gfc_expr *);
2639 : bool (*f1m)(gfc_actual_arglist *);
2640 : bool (*f2)(struct gfc_expr *, struct gfc_expr *);
2641 : bool (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2642 : bool (*f5ml)(gfc_actual_arglist *);
2643 : bool (*f6fl)(gfc_actual_arglist *);
2644 : bool (*f3red)(gfc_actual_arglist *);
2645 : bool (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2646 : struct gfc_expr *);
2647 : bool (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2648 : struct gfc_expr *, struct gfc_expr *);
2649 : bool (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2650 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2651 : }
2652 : gfc_check_f;
2653 :
2654 : /* Like gfc_check_f, these specify the type of the simplification
2655 : function associated with an intrinsic. The fX are just like in
2656 : gfc_check_f. cc is used for type conversion functions. */
2657 :
2658 : typedef union
2659 : {
2660 : struct gfc_expr *(*f0)(void);
2661 : struct gfc_expr *(*f1)(struct gfc_expr *);
2662 : struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
2663 : struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
2664 : struct gfc_expr *);
2665 : struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
2666 : struct gfc_expr *, struct gfc_expr *);
2667 : struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
2668 : struct gfc_expr *, struct gfc_expr *,
2669 : struct gfc_expr *);
2670 : struct gfc_expr *(*f6)(struct gfc_expr *, struct gfc_expr *,
2671 : struct gfc_expr *, struct gfc_expr *,
2672 : struct gfc_expr *, struct gfc_expr *);
2673 : struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
2674 : }
2675 : gfc_simplify_f;
2676 :
2677 : /* Again like gfc_check_f, these specify the type of the resolution
2678 : function associated with an intrinsic. The fX are just like in
2679 : gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2680 :
2681 : typedef union
2682 : {
2683 : void (*f0)(struct gfc_expr *);
2684 : void (*f1)(struct gfc_expr *, struct gfc_expr *);
2685 : void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
2686 : void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2687 : void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2688 : struct gfc_expr *);
2689 : void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2690 : struct gfc_expr *, struct gfc_expr *);
2691 : void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2692 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2693 : void (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2694 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2695 : struct gfc_expr *);
2696 : void (*s1)(struct gfc_code *);
2697 : }
2698 : gfc_resolve_f;
2699 :
2700 :
2701 : typedef struct gfc_intrinsic_sym
2702 : {
2703 : const char *name, *lib_name;
2704 : gfc_intrinsic_arg *formal;
2705 : gfc_typespec ts;
2706 : unsigned elemental:1, inquiry:1, transformational:1, pure:1,
2707 : generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1,
2708 : from_module:1, vararg:1;
2709 :
2710 : int standard;
2711 :
2712 : gfc_simplify_f simplify;
2713 : gfc_check_f check;
2714 : gfc_resolve_f resolve;
2715 : struct gfc_intrinsic_sym *specific_head, *next;
2716 : gfc_isym_id id;
2717 :
2718 : }
2719 : gfc_intrinsic_sym;
2720 :
2721 :
2722 : /* Expression nodes. The expression node types deserve explanations,
2723 : since the last couple can be easily misconstrued:
2724 :
2725 : EXPR_OP Operator node pointing to one or two other nodes
2726 : EXPR_FUNCTION Function call, symbol points to function's name
2727 : EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2728 : EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2729 : which expresses structure, array and substring refs.
2730 : EXPR_NULL The NULL pointer value (which also has a basic type).
2731 : EXPR_SUBSTRING A substring of a constant string
2732 : EXPR_STRUCTURE A structure constructor
2733 : EXPR_ARRAY An array constructor.
2734 : EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2735 : component or type-bound procedure. */
2736 :
2737 : #include <mpfr.h>
2738 : #include <mpc.h>
2739 : #define GFC_RND_MODE MPFR_RNDN
2740 : #define GFC_MPC_RND_MODE MPC_RNDNN
2741 :
2742 : typedef splay_tree gfc_constructor_base;
2743 :
2744 :
2745 : /* This should be an unsigned variable of type size_t. But to handle
2746 : compiling to a 64-bit target from a 32-bit host, we need to use a
2747 : HOST_WIDE_INT. Also, occasionally the string length field is used
2748 : as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2749 : So it needs to be signed. */
2750 : typedef HOST_WIDE_INT gfc_charlen_t;
2751 :
2752 : typedef struct gfc_expr
2753 : {
2754 : expr_t expr_type;
2755 :
2756 : gfc_typespec ts; /* These two refer to the overall expression */
2757 :
2758 : int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */
2759 : int corank; /* same as rank, but for coarrays. */
2760 : mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
2761 :
2762 : /* Nonnull for functions and structure constructors, may also used to hold the
2763 : base-object for component calls. */
2764 : gfc_symtree *symtree;
2765 :
2766 : gfc_ref *ref;
2767 :
2768 : locus where;
2769 :
2770 : /* Used to store the base expression in component calls, when the expression
2771 : is not a variable. */
2772 : struct gfc_expr *base_expr;
2773 :
2774 : /* is_snan denotes a signalling not-a-number. */
2775 : unsigned int is_snan : 1;
2776 :
2777 : /* Sometimes, when an error has been emitted, it is necessary to prevent
2778 : it from recurring. */
2779 : unsigned int error : 1;
2780 :
2781 : /* Mark an expression where a user operator has been substituted by
2782 : a function call in interface.cc(gfc_extend_expr). */
2783 : unsigned int user_operator : 1;
2784 :
2785 : /* Mark an expression as being a MOLD argument of ALLOCATE. */
2786 : unsigned int mold : 1;
2787 :
2788 : /* Will require finalization after use. */
2789 : unsigned int must_finalize : 1;
2790 :
2791 : /* Set this if no range check should be performed on this expression. */
2792 :
2793 : unsigned int no_bounds_check : 1;
2794 :
2795 : /* Set this if a matmul expression has already been evaluated for conversion
2796 : to a BLAS call. */
2797 :
2798 : unsigned int external_blas : 1;
2799 :
2800 : /* Set this if resolution has already happened. It could be harmful
2801 : if done again. */
2802 :
2803 : unsigned int do_not_resolve_again : 1;
2804 :
2805 : /* Set this if no warning should be given somewhere in a lower level. */
2806 :
2807 : unsigned int do_not_warn : 1;
2808 :
2809 : /* Set this if the expression came from expanding an array constructor. */
2810 : unsigned int from_constructor : 1;
2811 :
2812 : /* If an expression comes from a Hollerith constant or compile-time
2813 : evaluation of a transfer statement, it may have a prescribed target-
2814 : memory representation, and these cannot always be backformed from
2815 : the value. */
2816 : struct
2817 : {
2818 : gfc_charlen_t length;
2819 : char *string;
2820 : }
2821 : representation;
2822 :
2823 : struct
2824 : {
2825 : int len; /* Length of BOZ string without terminating NULL. */
2826 : int rdx; /* Radix of BOZ. */
2827 : char *str; /* BOZ string with NULL terminating character. */
2828 : }
2829 : boz;
2830 :
2831 : union
2832 : {
2833 : int logical;
2834 :
2835 : io_kind iokind;
2836 :
2837 : mpz_t integer;
2838 :
2839 : mpfr_t real;
2840 :
2841 : mpc_t complex;
2842 :
2843 : struct
2844 : {
2845 : gfc_intrinsic_op op;
2846 : gfc_user_op *uop;
2847 : struct gfc_expr *op1, *op2;
2848 : }
2849 : op;
2850 :
2851 : struct
2852 : {
2853 : gfc_actual_arglist *actual;
2854 : const char *name; /* Points to the ultimate name of the function */
2855 : gfc_intrinsic_sym *isym;
2856 : gfc_symbol *esym;
2857 : }
2858 : function;
2859 :
2860 : struct
2861 : {
2862 : gfc_actual_arglist* actual;
2863 : const char* name;
2864 : /* Base-object, whose component was called. NULL means that it should
2865 : be taken from symtree/ref. */
2866 : struct gfc_expr* base_object;
2867 : gfc_typebound_proc* tbp; /* Should overlap with esym. */
2868 :
2869 : /* For type-bound operators, we want to call PASS procedures but already
2870 : have the full arglist; mark this, so that it is not extended by the
2871 : PASS argument. */
2872 : unsigned ignore_pass:1;
2873 :
2874 : /* Do assign-calls rather than calls, that is appropriate dependency
2875 : checking. */
2876 : unsigned assign:1;
2877 : }
2878 : compcall;
2879 :
2880 : struct
2881 : {
2882 : gfc_charlen_t length;
2883 : gfc_char_t *string;
2884 : }
2885 : character;
2886 :
2887 : gfc_constructor_base constructor;
2888 :
2889 : struct
2890 : {
2891 : struct gfc_expr *condition;
2892 : struct gfc_expr *true_expr;
2893 : struct gfc_expr *false_expr;
2894 : } conditional;
2895 : } value;
2896 :
2897 : /* Used to store PDT expression lists associated with expressions. */
2898 : gfc_actual_arglist *param_list;
2899 :
2900 : }
2901 : gfc_expr;
2902 :
2903 :
2904 : #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2905 :
2906 : /* Structures for information associated with different kinds of
2907 : numbers. The first set of integer parameters define all there is
2908 : to know about a particular kind. The rest of the elements are
2909 : computed from the first elements. */
2910 :
2911 : typedef struct
2912 : {
2913 : /* Values really representable by the target. */
2914 : mpz_t huge, pedantic_min_int, min_int;
2915 :
2916 : int kind, radix, digits, bit_size, range;
2917 :
2918 : /* True if the C type of the given name maps to this precision.
2919 : Note that more than one bit can be set. */
2920 : unsigned int c_char : 1;
2921 : unsigned int c_short : 1;
2922 : unsigned int c_int : 1;
2923 : unsigned int c_long : 1;
2924 : unsigned int c_long_long : 1;
2925 : }
2926 : gfc_integer_info;
2927 :
2928 : extern gfc_integer_info gfc_integer_kinds[];
2929 :
2930 : /* Unsigned numbers, experimental. */
2931 :
2932 : typedef struct
2933 : {
2934 : mpz_t huge, int_min;
2935 :
2936 : int kind, radix, digits, bit_size, range;
2937 :
2938 : /* True if the C type of the given name maps to this precision. Note that
2939 : more than one bit can be set. We will use this later on. */
2940 : unsigned int c_unsigned_char : 1;
2941 : unsigned int c_unsigned_short : 1;
2942 : unsigned int c_unsigned_int : 1;
2943 : unsigned int c_unsigned_long : 1;
2944 : unsigned int c_unsigned_long_long : 1;
2945 : }
2946 : gfc_unsigned_info;
2947 :
2948 : extern gfc_unsigned_info gfc_unsigned_kinds[];
2949 :
2950 : typedef struct
2951 : {
2952 : int kind, bit_size;
2953 :
2954 : /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2955 : unsigned int c_bool : 1;
2956 : }
2957 : gfc_logical_info;
2958 :
2959 : extern gfc_logical_info gfc_logical_kinds[];
2960 :
2961 :
2962 : typedef struct
2963 : {
2964 : mpfr_t epsilon, huge, tiny, subnormal;
2965 : int kind, abi_kind, radix, digits, min_exponent, max_exponent;
2966 : int range, precision;
2967 :
2968 : /* The precision of the type as reported by GET_MODE_PRECISION. */
2969 : int mode_precision;
2970 :
2971 : /* True if the C type of the given name maps to this precision.
2972 : Note that more than one bit can be set. */
2973 : unsigned int c_float : 1;
2974 : unsigned int c_double : 1;
2975 : unsigned int c_long_double : 1;
2976 : unsigned int c_float128 : 1;
2977 : /* True if for _Float128 C23 IEC 60559 *f128 APIs should be used
2978 : instead of libquadmath *q APIs. */
2979 : unsigned int use_iec_60559 : 1;
2980 : }
2981 : gfc_real_info;
2982 :
2983 : extern gfc_real_info gfc_real_kinds[];
2984 :
2985 : typedef struct
2986 : {
2987 : int kind, bit_size;
2988 : const char *name;
2989 : }
2990 : gfc_character_info;
2991 :
2992 : extern gfc_character_info gfc_character_kinds[];
2993 :
2994 :
2995 : /* Equivalence structures. Equivalent lvalues are linked along the
2996 : *eq pointer, equivalence sets are strung along the *next node. */
2997 : typedef struct gfc_equiv
2998 : {
2999 : struct gfc_equiv *next, *eq;
3000 : gfc_expr *expr;
3001 : const char *module;
3002 : int used;
3003 : }
3004 : gfc_equiv;
3005 :
3006 : #define gfc_get_equiv() XCNEW (gfc_equiv)
3007 :
3008 : /* Holds a single equivalence member after processing. */
3009 : typedef struct gfc_equiv_info
3010 : {
3011 : gfc_symbol *sym;
3012 : HOST_WIDE_INT offset;
3013 : HOST_WIDE_INT length;
3014 : struct gfc_equiv_info *next;
3015 : } gfc_equiv_info;
3016 :
3017 : /* Holds equivalence groups, after they have been processed. */
3018 : typedef struct gfc_equiv_list
3019 : {
3020 : gfc_equiv_info *equiv;
3021 : struct gfc_equiv_list *next;
3022 : } gfc_equiv_list;
3023 :
3024 : /* gfc_case stores the selector list of a case statement. The *low
3025 : and *high pointers can point to the same expression in the case of
3026 : a single value. If *high is NULL, the selection is from *low
3027 : upwards, if *low is NULL the selection is *high downwards.
3028 :
3029 : This structure has separate fields to allow single and double linked
3030 : lists of CASEs at the same time. The single linked list along the NEXT
3031 : field is a list of cases for a single CASE label. The double linked
3032 : list along the LEFT/RIGHT fields is used to detect overlap and to
3033 : build a table of the cases for SELECT constructs with a CHARACTER
3034 : case expression. */
3035 :
3036 : typedef struct gfc_case
3037 : {
3038 : /* Where we saw this case. */
3039 : locus where;
3040 : int n;
3041 :
3042 : /* Case range values. If (low == high), it's a single value. If one of
3043 : the labels is NULL, it's an unbounded case. If both are NULL, this
3044 : represents the default case. */
3045 : gfc_expr *low, *high;
3046 :
3047 : /* Only used for SELECT TYPE. */
3048 : gfc_typespec ts;
3049 :
3050 : /* Next case label in the list of cases for a single CASE label. */
3051 : struct gfc_case *next;
3052 :
3053 : /* Used for detecting overlap, and for code generation. */
3054 : struct gfc_case *left, *right;
3055 :
3056 : /* True if this case label can never be matched. */
3057 : int unreachable;
3058 : }
3059 : gfc_case;
3060 :
3061 : #define gfc_get_case() XCNEW (gfc_case)
3062 :
3063 :
3064 : /* Annotations for loop constructs. */
3065 : typedef struct
3066 : {
3067 : unsigned short unroll;
3068 : bool ivdep;
3069 : bool vector;
3070 : bool novector;
3071 : }
3072 : gfc_loop_annot;
3073 :
3074 :
3075 : typedef struct
3076 : {
3077 : gfc_expr *var, *start, *end, *step;
3078 : gfc_loop_annot annot;
3079 : }
3080 : gfc_iterator;
3081 :
3082 : #define gfc_get_iterator() XCNEW (gfc_iterator)
3083 :
3084 :
3085 : /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
3086 :
3087 : typedef struct gfc_alloc
3088 : {
3089 : gfc_expr *expr;
3090 : struct gfc_alloc *next;
3091 : }
3092 : gfc_alloc;
3093 :
3094 : #define gfc_get_alloc() XCNEW (gfc_alloc)
3095 :
3096 :
3097 : typedef struct
3098 : {
3099 : gfc_expr *unit, *file, *status, *access, *form, *recl,
3100 : *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
3101 : *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit,
3102 : *share, *cc;
3103 : char readonly;
3104 : gfc_st_label *err;
3105 : }
3106 : gfc_open;
3107 :
3108 :
3109 : typedef struct
3110 : {
3111 : gfc_expr *unit, *status, *iostat, *iomsg;
3112 : gfc_st_label *err;
3113 : }
3114 : gfc_close;
3115 :
3116 :
3117 : typedef struct
3118 : {
3119 : gfc_expr *unit, *iostat, *iomsg;
3120 : gfc_st_label *err;
3121 : }
3122 : gfc_filepos;
3123 :
3124 :
3125 : typedef struct
3126 : {
3127 : gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
3128 : *name, *access, *sequential, *direct, *form, *formatted,
3129 : *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
3130 : *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
3131 : *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id,
3132 : *iqstream, *share, *cc;
3133 :
3134 : gfc_st_label *err;
3135 :
3136 : }
3137 : gfc_inquire;
3138 :
3139 :
3140 : typedef struct
3141 : {
3142 : gfc_expr *unit, *iostat, *iomsg, *id;
3143 : gfc_st_label *err, *end, *eor;
3144 : }
3145 : gfc_wait;
3146 :
3147 :
3148 : typedef struct
3149 : {
3150 : gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
3151 : *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
3152 : *sign, *extra_comma, *dt_io_kind, *udtio;
3153 : char dec_ext;
3154 :
3155 : gfc_symbol *namelist;
3156 : /* A format_label of `format_asterisk' indicates the "*" format */
3157 : gfc_st_label *format_label;
3158 : gfc_st_label *err, *end, *eor;
3159 :
3160 : locus eor_where, end_where, err_where;
3161 : }
3162 : gfc_dt;
3163 :
3164 :
3165 : typedef struct gfc_forall_iterator
3166 : {
3167 : gfc_expr *var, *start, *end, *stride;
3168 : gfc_loop_annot annot;
3169 : /* index-name shadows a variable from outer scope. */
3170 : bool shadow;
3171 : struct gfc_forall_iterator *next;
3172 : }
3173 : gfc_forall_iterator;
3174 :
3175 :
3176 : /* Linked list to store associations in an ASSOCIATE statement. */
3177 :
3178 : typedef struct gfc_association_list
3179 : {
3180 : struct gfc_association_list *next;
3181 :
3182 : /* Whether this is association to a variable that can be changed; otherwise,
3183 : it's association to an expression and the name may not be used as
3184 : lvalue. */
3185 : unsigned variable:1;
3186 :
3187 : /* True if this struct is currently only linked to from a gfc_symbol rather
3188 : than as part of a real list in gfc_code->ext.block.assoc. This may
3189 : happen for SELECT TYPE temporaries and must be considered
3190 : for memory handling. */
3191 : unsigned dangling:1;
3192 :
3193 : char name[GFC_MAX_SYMBOL_LEN + 1];
3194 : gfc_symtree *st; /* Symtree corresponding to name. */
3195 : locus where;
3196 :
3197 : gfc_expr *target;
3198 :
3199 : gfc_array_ref *ar;
3200 :
3201 : /* Used for inferring the derived type of an associate name, whose selector
3202 : is a sibling derived type function that has not yet been parsed. */
3203 : gfc_symbol *derived_types;
3204 : unsigned inferred_type:1;
3205 : }
3206 : gfc_association_list;
3207 : #define gfc_get_association_list() XCNEW (gfc_association_list)
3208 :
3209 :
3210 : /* Executable statements that fill gfc_code structures. */
3211 : enum gfc_exec_op
3212 : {
3213 : EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN,
3214 : EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP,
3215 : EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
3216 : EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
3217 : EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE,
3218 : EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
3219 : EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE,
3220 : EXEC_SELECT_TYPE, EXEC_SELECT_RANK, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY,
3221 : EXEC_SYNC_IMAGES, EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
3222 : EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
3223 : EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
3224 : EXEC_FORM_TEAM, EXEC_CHANGE_TEAM, EXEC_END_TEAM, EXEC_SYNC_TEAM,
3225 : EXEC_LOCK, EXEC_UNLOCK, EXEC_EVENT_POST, EXEC_EVENT_WAIT, EXEC_FAIL_IMAGE,
3226 : EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP, EXEC_OACC_SERIAL_LOOP,
3227 : EXEC_OACC_ROUTINE, EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_SERIAL,
3228 : EXEC_OACC_DATA, EXEC_OACC_HOST_DATA, EXEC_OACC_LOOP, EXEC_OACC_UPDATE,
3229 : EXEC_OACC_WAIT, EXEC_OACC_CACHE, EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA,
3230 : EXEC_OACC_ATOMIC, EXEC_OACC_DECLARE,
3231 : EXEC_OMP_CRITICAL, EXEC_OMP_FIRST_OPENMP_EXEC = EXEC_OMP_CRITICAL,
3232 : EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
3233 : EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
3234 : EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
3235 : EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
3236 : EXEC_OMP_ASSUME, EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
3237 : EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT,
3238 : EXEC_OMP_TASKYIELD, EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
3239 : EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
3240 : EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
3241 : EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
3242 : EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
3243 : EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
3244 : EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
3245 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
3246 : EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
3247 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
3248 : EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
3249 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
3250 : EXEC_OMP_TARGET_UPDATE, EXEC_OMP_END_CRITICAL,
3251 : EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA,
3252 : EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO,
3253 : EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD,
3254 : EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD, EXEC_OMP_SCAN, EXEC_OMP_DEPOBJ,
3255 : EXEC_OMP_PARALLEL_MASTER, EXEC_OMP_PARALLEL_MASTER_TASKLOOP,
3256 : EXEC_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, EXEC_OMP_MASTER_TASKLOOP,
3257 : EXEC_OMP_MASTER_TASKLOOP_SIMD, EXEC_OMP_LOOP, EXEC_OMP_PARALLEL_LOOP,
3258 : EXEC_OMP_TEAMS_LOOP, EXEC_OMP_TARGET_PARALLEL_LOOP,
3259 : EXEC_OMP_TARGET_TEAMS_LOOP, EXEC_OMP_MASKED, EXEC_OMP_PARALLEL_MASKED,
3260 : EXEC_OMP_PARALLEL_MASKED_TASKLOOP, EXEC_OMP_PARALLEL_MASKED_TASKLOOP_SIMD,
3261 : EXEC_OMP_MASKED_TASKLOOP, EXEC_OMP_MASKED_TASKLOOP_SIMD, EXEC_OMP_SCOPE,
3262 : EXEC_OMP_UNROLL, EXEC_OMP_TILE, EXEC_OMP_INTEROP, EXEC_OMP_METADIRECTIVE,
3263 : EXEC_OMP_ERROR, EXEC_OMP_ALLOCATE, EXEC_OMP_ALLOCATORS, EXEC_OMP_DISPATCH,
3264 : EXEC_OMP_LAST_OPENMP_EXEC = EXEC_OMP_DISPATCH
3265 : };
3266 :
3267 : /* Enum Definition for locality types. */
3268 : enum locality_type
3269 : {
3270 : LOCALITY_LOCAL = 0,
3271 : LOCALITY_LOCAL_INIT,
3272 : LOCALITY_SHARED,
3273 : LOCALITY_REDUCE,
3274 : LOCALITY_NUM
3275 : };
3276 :
3277 : struct sync_stat
3278 : {
3279 : gfc_expr *stat, *errmsg;
3280 : };
3281 :
3282 : typedef struct gfc_code
3283 : {
3284 : gfc_exec_op op;
3285 :
3286 : struct gfc_code *block, *next;
3287 : locus loc;
3288 :
3289 : gfc_st_label *here, *label1, *label2, *label3;
3290 : gfc_symtree *symtree;
3291 : gfc_expr *expr1, *expr2, *expr3, *expr4;
3292 : /* A name isn't sufficient to identify a subroutine, we need the actual
3293 : symbol for the interface definition.
3294 : const char *sub_name; */
3295 : gfc_symbol *resolved_sym;
3296 : gfc_intrinsic_sym *resolved_isym;
3297 :
3298 : union
3299 : {
3300 : gfc_actual_arglist *actual;
3301 : gfc_iterator *iterator;
3302 : gfc_open *open;
3303 : gfc_close *close;
3304 : gfc_filepos *filepos;
3305 : gfc_inquire *inquire;
3306 : gfc_wait *wait;
3307 : gfc_dt *dt;
3308 : struct gfc_code *which_construct;
3309 : gfc_entry_list *entry;
3310 : gfc_oacc_declare *oacc_declare;
3311 : gfc_omp_clauses *omp_clauses;
3312 : const char *omp_name;
3313 : gfc_omp_namelist *omp_namelist;
3314 : gfc_omp_variant *omp_variants;
3315 : bool omp_bool;
3316 : int stop_code;
3317 : struct sync_stat sync_stat;
3318 :
3319 : struct
3320 : {
3321 : gfc_typespec ts;
3322 : gfc_alloc *list;
3323 : /* Take the array specification from expr3 to allocate arrays
3324 : without an explicit array specification. */
3325 : unsigned arr_spec_from_expr3:1;
3326 : /* expr3 is not explicit */
3327 : unsigned expr3_not_explicit:1;
3328 : struct sync_stat sync_stat;
3329 : }
3330 : alloc;
3331 :
3332 : struct
3333 : {
3334 : gfc_namespace *ns;
3335 : gfc_association_list *assoc;
3336 : gfc_case *case_list;
3337 : struct sync_stat sync_stat;
3338 : }
3339 : block;
3340 :
3341 : struct
3342 : {
3343 : gfc_forall_iterator *forall_iterator;
3344 : gfc_expr_list *locality[LOCALITY_NUM];
3345 : bool default_none;
3346 : }
3347 : concur;
3348 : }
3349 : ext; /* Points to additional structures required by statement */
3350 :
3351 : /* Cycle and break labels in constructs. */
3352 : tree cycle_label;
3353 : tree exit_label;
3354 : }
3355 : gfc_code;
3356 :
3357 :
3358 : /* Storage for DATA statements. */
3359 : typedef struct gfc_data_variable
3360 : {
3361 : gfc_expr *expr;
3362 : gfc_iterator iter;
3363 : struct gfc_data_variable *list, *next;
3364 : }
3365 : gfc_data_variable;
3366 :
3367 :
3368 : typedef struct gfc_data_value
3369 : {
3370 : mpz_t repeat;
3371 : gfc_expr *expr;
3372 : struct gfc_data_value *next;
3373 : }
3374 : gfc_data_value;
3375 :
3376 :
3377 : typedef struct gfc_data
3378 : {
3379 : gfc_data_variable *var;
3380 : gfc_data_value *value;
3381 : locus where;
3382 :
3383 : struct gfc_data *next;
3384 : }
3385 : gfc_data;
3386 :
3387 :
3388 : /* Structure for holding compile options */
3389 : typedef struct
3390 : {
3391 : char *module_dir;
3392 : gfc_source_form source_form;
3393 : int max_continue_fixed;
3394 : int max_continue_free;
3395 : int max_identifier_length;
3396 :
3397 : int max_errors;
3398 :
3399 : int flag_preprocessed;
3400 : int flag_d_lines;
3401 : int flag_init_integer;
3402 : long flag_init_integer_value;
3403 : int flag_init_logical;
3404 : int flag_init_character;
3405 : char flag_init_character_value;
3406 : bool disable_omp_is_initial_device:1;
3407 : bool disable_omp_get_initial_device:1;
3408 : bool disable_omp_get_num_devices:1;
3409 : bool disable_acc_on_device:1;
3410 :
3411 : int fpe;
3412 : int fpe_summary;
3413 : int rtcheck;
3414 :
3415 : int warn_std;
3416 : int allow_std;
3417 : }
3418 : gfc_option_t;
3419 :
3420 : extern gfc_option_t gfc_option;
3421 :
3422 : /* Constructor nodes for array and structure constructors. */
3423 : typedef struct gfc_constructor
3424 : {
3425 : gfc_constructor_base base;
3426 : mpz_t offset; /* Offset within a constructor, used as
3427 : key within base. */
3428 :
3429 : gfc_expr *expr;
3430 : gfc_iterator *iterator;
3431 : locus where;
3432 :
3433 : union
3434 : {
3435 : gfc_component *component; /* Record the component being initialized. */
3436 : }
3437 : n;
3438 : mpz_t repeat; /* Record the repeat number of initial values in data
3439 : statement like "data a/5*10/". */
3440 : }
3441 : gfc_constructor;
3442 :
3443 :
3444 : typedef struct iterator_stack
3445 : {
3446 : gfc_symtree *variable;
3447 : mpz_t value;
3448 : struct iterator_stack *prev;
3449 : }
3450 : iterator_stack;
3451 : extern iterator_stack *iter_stack;
3452 :
3453 :
3454 : /* Used for (possibly nested) SELECT TYPE statements. */
3455 : typedef struct gfc_select_type_stack
3456 : {
3457 : gfc_symbol *selector; /* Current selector variable. */
3458 : gfc_symtree *tmp; /* Current temporary variable. */
3459 : struct gfc_select_type_stack *prev; /* Previous element on stack. */
3460 : }
3461 : gfc_select_type_stack;
3462 : extern gfc_select_type_stack *select_type_stack;
3463 : #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
3464 :
3465 :
3466 : /* Node in the linked list used for storing finalizer procedures. */
3467 :
3468 : typedef struct gfc_finalizer
3469 : {
3470 : struct gfc_finalizer* next;
3471 : locus where; /* Where the FINAL declaration occurred. */
3472 :
3473 : /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
3474 : symtree and later need only that. This way, we can access and call the
3475 : finalizers from every context as they should be "always accessible". I
3476 : don't make this a union because we need the information whether proc_sym is
3477 : still referenced or not for dereferencing it on deleting a gfc_finalizer
3478 : structure. */
3479 : gfc_symbol* proc_sym;
3480 : gfc_symtree* proc_tree;
3481 : }
3482 : gfc_finalizer;
3483 : #define gfc_get_finalizer() XCNEW (gfc_finalizer)
3484 :
3485 :
3486 : /************************ Function prototypes *************************/
3487 :
3488 :
3489 : /* Returns true if the type specified in TS is a character type whose length
3490 : is the constant one. Otherwise returns false. */
3491 :
3492 : inline bool
3493 22329 : gfc_length_one_character_type_p (gfc_typespec *ts)
3494 : {
3495 22329 : return ts->type == BT_CHARACTER
3496 763 : && ts->u.cl
3497 763 : && ts->u.cl->length
3498 762 : && ts->u.cl->length->expr_type == EXPR_CONSTANT
3499 762 : && ts->u.cl->length->ts.type == BT_INTEGER
3500 23091 : && mpz_cmp_ui (ts->u.cl->length->value.integer, 1) == 0;
3501 : }
3502 :
3503 : /* decl.cc */
3504 : bool gfc_in_match_data (void);
3505 : match gfc_match_char_spec (gfc_typespec *);
3506 : extern int directive_unroll;
3507 : extern bool directive_ivdep;
3508 : extern bool directive_vector;
3509 : extern bool directive_novector;
3510 :
3511 : /* SIMD clause enum. */
3512 : enum gfc_simd_clause
3513 : {
3514 : SIMD_NONE = (1 << 0),
3515 : SIMD_INBRANCH = (1 << 1),
3516 : SIMD_NOTINBRANCH = (1 << 2)
3517 : };
3518 :
3519 : /* Tuple for parsing of vectorized built-ins. */
3520 : struct gfc_vect_builtin_tuple
3521 : {
3522 : gfc_vect_builtin_tuple (const char *n, gfc_simd_clause t)
3523 : : name (n), simd_type (t) {}
3524 :
3525 : const char *name;
3526 : gfc_simd_clause simd_type;
3527 : };
3528 :
3529 : /* Map of middle-end built-ins that should be vectorized. */
3530 : extern hash_map<nofree_string_hash, int> *gfc_vectorized_builtins;
3531 :
3532 : /* Handling Parameterized Derived Types */
3533 : bool gfc_insert_parameter_exprs (gfc_expr *, gfc_actual_arglist *);
3534 : void gfc_correct_parm_expr (gfc_symbol *, gfc_expr **);
3535 : match gfc_get_pdt_instance (gfc_actual_arglist *, gfc_symbol **,
3536 : gfc_actual_arglist **);
3537 :
3538 :
3539 : /* Given a symbol, test whether it is a module procedure in a submodule */
3540 : #define gfc_submodule_procedure(attr) \
3541 : (gfc_state_stack->previous && gfc_state_stack->previous->previous \
3542 : && gfc_state_stack->previous->previous->state == COMP_SUBMODULE \
3543 : && attr->module_procedure)
3544 :
3545 : /* scanner.cc */
3546 : void gfc_scanner_done_1 (void);
3547 : void gfc_scanner_init_1 (void);
3548 :
3549 : void gfc_add_include_path (const char *, bool, bool, bool, bool);
3550 : void gfc_add_intrinsic_modules_path (const char *);
3551 : void gfc_release_include_path (void);
3552 : void gfc_check_include_dirs (bool);
3553 : FILE *gfc_open_included_file (const char *, bool, bool);
3554 :
3555 : bool gfc_at_end (void);
3556 : bool gfc_at_eof (void);
3557 : bool gfc_at_bol (void);
3558 : bool gfc_at_eol (void);
3559 : void gfc_advance_line (void);
3560 : bool gfc_define_undef_line (void);
3561 :
3562 : bool gfc_wide_is_printable (gfc_char_t);
3563 : bool gfc_wide_is_digit (gfc_char_t);
3564 : bool gfc_wide_fits_in_byte (gfc_char_t);
3565 : gfc_char_t gfc_wide_tolower (gfc_char_t);
3566 : gfc_char_t gfc_wide_toupper (gfc_char_t);
3567 : size_t gfc_wide_strlen (const gfc_char_t *);
3568 : int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
3569 : gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
3570 : char *gfc_widechar_to_char (const gfc_char_t *, int);
3571 : gfc_char_t *gfc_char_to_widechar (const char *);
3572 :
3573 : #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
3574 :
3575 : void gfc_skip_comments (void);
3576 : gfc_char_t gfc_next_char_literal (gfc_instring);
3577 : gfc_char_t gfc_next_char (void);
3578 : char gfc_next_ascii_char (void);
3579 : gfc_char_t gfc_peek_char (void);
3580 : char gfc_peek_ascii_char (void);
3581 : void gfc_error_recovery (void);
3582 : void gfc_gobble_whitespace (void);
3583 : void gfc_new_file (void);
3584 : const char * gfc_read_orig_filename (const char *, const char **);
3585 :
3586 : extern gfc_source_form gfc_current_form;
3587 : extern const char *gfc_source_file;
3588 : extern locus gfc_current_locus;
3589 :
3590 : void gfc_start_source_files (void);
3591 : void gfc_end_source_files (void);
3592 :
3593 : /* misc.cc */
3594 : void gfc_clear_ts (gfc_typespec *);
3595 : FILE *gfc_open_file (const char *);
3596 : const char *gfc_basic_typename (bt);
3597 : const char *gfc_dummy_typename (gfc_typespec *);
3598 : const char *gfc_typename (gfc_typespec *, bool for_hash = false);
3599 : const char *gfc_typename (gfc_expr *);
3600 : const char *gfc_op2string (gfc_intrinsic_op);
3601 : const char *gfc_code2string (const mstring *, int);
3602 : int gfc_string2code (const mstring *, const char *);
3603 : const char *gfc_intent_string (sym_intent);
3604 :
3605 : void gfc_init_1 (void);
3606 : void gfc_init_2 (void);
3607 : void gfc_done_1 (void);
3608 : void gfc_done_2 (void);
3609 :
3610 : int get_c_kind (const char *, CInteropKind_t *);
3611 :
3612 : const char * gfc_var_name_for_select_type_temp (gfc_expr *);
3613 :
3614 : const char *gfc_closest_fuzzy_match (const char *, char **);
3615 : inline void
3616 601 : vec_push (char **&optr, size_t &osz, const char *elt)
3617 : {
3618 : /* {auto,}vec.safe_push () replacement. Don't ask.. */
3619 : // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
3620 601 : optr = XRESIZEVEC (char *, optr, osz + 2);
3621 601 : optr[osz] =
3622 : #ifdef __cplusplus
3623 : const_cast<char *> (elt);
3624 : #else
3625 : (__extension__ (union {const char *_q; const char *_nq;})(elt))._nq;
3626 : #endif
3627 601 : optr[++osz] = NULL;
3628 601 : }
3629 :
3630 : HOST_WIDE_INT gfc_mpz_get_hwi (mpz_t);
3631 : void gfc_mpz_set_hwi (mpz_t, const HOST_WIDE_INT);
3632 :
3633 : /* options.cc */
3634 : unsigned int gfc_option_lang_mask (void);
3635 : void gfc_init_options_struct (struct gcc_options *);
3636 : void gfc_init_options (unsigned int,
3637 : struct cl_decoded_option *);
3638 : bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT, int, location_t,
3639 : const struct cl_option_handlers *);
3640 : bool gfc_post_options (const char **);
3641 : char *gfc_get_option_string (void);
3642 :
3643 : /* f95-lang.cc */
3644 : void gfc_maybe_initialize_eh (void);
3645 :
3646 : /* iresolve.cc */
3647 : const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
3648 : bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
3649 :
3650 : /* error.cc */
3651 : locus gfc_get_location_range (locus *, unsigned, locus *, unsigned, locus *);
3652 : location_t gfc_get_location_with_offset (locus *, unsigned);
3653 : inline location_t
3654 3817193 : gfc_get_location (locus *loc)
3655 : {
3656 3817122 : return gfc_get_location_with_offset (loc, 0);
3657 : }
3658 :
3659 : void gfc_error_init_1 (void);
3660 : void gfc_diagnostics_init (void);
3661 : void gfc_diagnostics_finish (void);
3662 : void gfc_buffer_error (bool);
3663 :
3664 : const char *gfc_print_wide_char (gfc_char_t);
3665 :
3666 : bool gfc_warning (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3667 : bool gfc_warning_now (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3668 : bool gfc_warning_internal (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3669 : bool gfc_warning_now_at (location_t loc, int opt, const char *gmsgid, ...)
3670 : ATTRIBUTE_GCC_GFC(3,4);
3671 :
3672 : void gfc_clear_warning (void);
3673 : void gfc_warning_check (void);
3674 :
3675 : void gfc_error_opt (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3676 : void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3677 : void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3678 : void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
3679 : void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
3680 : void gfc_clear_error (void);
3681 : bool gfc_error_check (void);
3682 : bool gfc_error_flag_test (void);
3683 : bool gfc_buffered_p (void);
3684 :
3685 : notification gfc_notification_std (int);
3686 : bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3687 :
3688 : /* A general purpose syntax error. */
3689 : #define gfc_syntax_error(ST) \
3690 : gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
3691 :
3692 : #include "diagnostics/buffering.h" /* For diagnostics::buffer. */
3693 8587625 : struct gfc_error_buffer
3694 : {
3695 : bool flag;
3696 : diagnostics::buffer buffer;
3697 :
3698 : gfc_error_buffer();
3699 : };
3700 :
3701 : void gfc_push_error (gfc_error_buffer *);
3702 : void gfc_pop_error (gfc_error_buffer *);
3703 : void gfc_free_error (gfc_error_buffer *);
3704 :
3705 : void gfc_get_errors (int *, int *);
3706 : void gfc_errors_to_warnings (bool);
3707 :
3708 : /* arith.cc */
3709 : void gfc_arith_init_1 (void);
3710 : void gfc_arith_done_1 (void);
3711 : arith gfc_check_integer_range (mpz_t p, int kind);
3712 : arith gfc_check_unsigned_range (mpz_t p, int kind);
3713 : bool gfc_check_character_range (gfc_char_t, int);
3714 : const char *gfc_arith_error (arith);
3715 : void gfc_reduce_unsigned (gfc_expr *e);
3716 :
3717 : extern bool gfc_seen_div0;
3718 :
3719 : /* trans-types.cc */
3720 : int gfc_validate_kind (bt, int, bool);
3721 : int gfc_get_int_kind_from_width_isofortranenv (int size);
3722 : int gfc_get_uint_kind_from_width_isofortranenv (int size);
3723 : int gfc_get_real_kind_from_width_isofortranenv (int size);
3724 : tree gfc_get_union_type (gfc_symbol *);
3725 : tree gfc_get_derived_type (gfc_symbol * derived, int codimen = 0);
3726 : extern int gfc_index_integer_kind;
3727 : extern int gfc_default_integer_kind;
3728 : extern int gfc_default_unsigned_kind;
3729 : extern int gfc_max_integer_kind;
3730 : extern int gfc_default_real_kind;
3731 : extern int gfc_default_double_kind;
3732 : extern int gfc_default_character_kind;
3733 : extern int gfc_default_logical_kind;
3734 : extern int gfc_default_complex_kind;
3735 : extern int gfc_c_int_kind;
3736 : extern int gfc_c_uint_kind;
3737 : extern int gfc_c_intptr_kind;
3738 : extern int gfc_atomic_int_kind;
3739 : extern int gfc_atomic_logical_kind;
3740 : extern int gfc_intio_kind;
3741 : extern int gfc_charlen_int_kind;
3742 : extern int gfc_size_kind;
3743 : extern int gfc_numeric_storage_size;
3744 : extern int gfc_character_storage_size;
3745 :
3746 : #define gfc_logical_4_kind 4
3747 : #define gfc_integer_4_kind 4
3748 : #define gfc_real_4_kind 4
3749 :
3750 : #define gfc_integer_8_kind 8
3751 :
3752 : /* symbol.cc */
3753 : void gfc_clear_new_implicit (void);
3754 : bool gfc_add_new_implicit_range (int, int);
3755 : bool gfc_merge_new_implicit (gfc_typespec *);
3756 : void gfc_set_implicit_none (bool, bool, locus *);
3757 : void gfc_check_function_type (gfc_namespace *);
3758 : bool gfc_is_intrinsic_typename (const char *);
3759 : bool gfc_check_conflict (symbol_attribute *, const char *, locus *);
3760 :
3761 : gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *);
3762 : bool gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
3763 :
3764 : void gfc_set_sym_referenced (gfc_symbol *);
3765 :
3766 : bool gfc_add_attribute (symbol_attribute *, locus *);
3767 : bool gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *);
3768 : bool gfc_add_allocatable (symbol_attribute *, locus *);
3769 : bool gfc_add_codimension (symbol_attribute *, const char *, locus *);
3770 : bool gfc_add_contiguous (symbol_attribute *, const char *, locus *);
3771 : bool gfc_add_dimension (symbol_attribute *, const char *, locus *);
3772 : bool gfc_add_external (symbol_attribute *, locus *);
3773 : bool gfc_add_intrinsic (symbol_attribute *, locus *);
3774 : bool gfc_add_optional (symbol_attribute *, locus *);
3775 : bool gfc_add_kind (symbol_attribute *, locus *);
3776 : bool gfc_add_len (symbol_attribute *, locus *);
3777 : bool gfc_add_pointer (symbol_attribute *, locus *);
3778 : bool gfc_add_cray_pointer (symbol_attribute *, locus *);
3779 : bool gfc_add_cray_pointee (symbol_attribute *, locus *);
3780 : match gfc_mod_pointee_as (gfc_array_spec *);
3781 : bool gfc_add_protected (symbol_attribute *, const char *, locus *);
3782 : bool gfc_add_result (symbol_attribute *, const char *, locus *);
3783 : bool gfc_add_automatic (symbol_attribute *, const char *, locus *);
3784 : bool gfc_add_save (symbol_attribute *, save_state, const char *, locus *);
3785 : bool gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
3786 : bool gfc_add_omp_declare_target (symbol_attribute *, const char *, locus *);
3787 : bool gfc_add_omp_declare_target_link (symbol_attribute *, const char *,
3788 : locus *);
3789 : bool gfc_add_omp_declare_target_local (symbol_attribute *, const char *,
3790 : locus *);
3791 : bool gfc_add_omp_groupprivate (symbol_attribute *, const char *, locus *);
3792 : bool gfc_add_target (symbol_attribute *, locus *);
3793 : bool gfc_add_dummy (symbol_attribute *, const char *, locus *);
3794 : bool gfc_add_generic (symbol_attribute *, const char *, locus *);
3795 : bool gfc_add_in_common (symbol_attribute *, const char *, locus *);
3796 : bool gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
3797 : bool gfc_add_data (symbol_attribute *, const char *, locus *);
3798 : bool gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
3799 : bool gfc_add_sequence (symbol_attribute *, const char *, locus *);
3800 : bool gfc_add_elemental (symbol_attribute *, locus *);
3801 : bool gfc_add_pure (symbol_attribute *, locus *);
3802 : bool gfc_add_recursive (symbol_attribute *, locus *);
3803 : bool gfc_add_function (symbol_attribute *, const char *, locus *);
3804 : bool gfc_add_subroutine (symbol_attribute *, const char *, locus *);
3805 : bool gfc_add_volatile (symbol_attribute *, const char *, locus *);
3806 : bool gfc_add_asynchronous (symbol_attribute *, const char *, locus *);
3807 : bool gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
3808 : bool gfc_add_abstract (symbol_attribute* attr, locus* where);
3809 :
3810 : bool gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
3811 : bool gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
3812 : bool gfc_add_extension (symbol_attribute *, locus *);
3813 : bool gfc_add_value (symbol_attribute *, const char *, locus *);
3814 : bool gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
3815 : bool gfc_add_entry (symbol_attribute *, const char *, locus *);
3816 : bool gfc_add_procedure (symbol_attribute *, procedure_type,
3817 : const char *, locus *);
3818 : bool gfc_add_intent (symbol_attribute *, sym_intent, locus *);
3819 : bool gfc_add_explicit_interface (gfc_symbol *, ifsrc,
3820 : gfc_formal_arglist *, locus *);
3821 : bool gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
3822 :
3823 : void gfc_clear_attr (symbol_attribute *);
3824 : bool gfc_missing_attr (symbol_attribute *, locus *);
3825 : bool gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
3826 : int gfc_copy_dummy_sym (gfc_symbol **, gfc_symbol *, int);
3827 : bool gfc_add_component (gfc_symbol *, const char *, gfc_component **);
3828 : void gfc_free_component (gfc_component *);
3829 : gfc_symbol *gfc_use_derived (gfc_symbol *);
3830 : gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool,
3831 : gfc_ref **);
3832 : int gfc_find_derived_types (gfc_symbol *, gfc_namespace *, const char *,
3833 : bool stash = false);
3834 :
3835 : gfc_st_label *gfc_get_st_label (int);
3836 : void gfc_free_st_label (gfc_st_label *);
3837 : void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
3838 : bool gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
3839 : gfc_st_label *gfc_rebind_label (gfc_st_label *, int);
3840 :
3841 : gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
3842 : gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
3843 : void gfc_delete_symtree (gfc_symtree **, const char *);
3844 : gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
3845 : gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
3846 : gfc_user_op *gfc_get_uop (const char *);
3847 : gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
3848 : void gfc_free_symbol (gfc_symbol *&);
3849 : bool gfc_release_symbol (gfc_symbol *&);
3850 : gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *, locus * = NULL);
3851 : gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *);
3852 : int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
3853 : bool gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
3854 : int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **,
3855 : locus * = NULL);
3856 : bool gfc_find_symbol_by_name (const char *, gfc_namespace *,
3857 : gfc_symbol **);
3858 : bool gfc_verify_c_interop (gfc_typespec *);
3859 : bool gfc_verify_c_interop_param (gfc_symbol *);
3860 : bool verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
3861 : bool verify_bind_c_derived_type (gfc_symbol *);
3862 : bool verify_com_block_vars_c_interop (gfc_common_head *);
3863 : gfc_symtree *generate_isocbinding_symbol (const char *, iso_c_binding_symbol,
3864 : const char *, gfc_symtree *, bool);
3865 : void gfc_save_symbol_data (gfc_symbol *);
3866 : int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool,
3867 : locus * = NULL);
3868 : int gfc_get_ha_symbol (const char *, gfc_symbol **, locus * = NULL);
3869 : int gfc_get_ha_sym_tree (const char *, gfc_symtree **, locus * = NULL);
3870 :
3871 : void gfc_drop_last_undo_checkpoint (void);
3872 : void gfc_restore_last_undo_checkpoint (void);
3873 : void gfc_undo_symbols (void);
3874 : void gfc_commit_symbols (void);
3875 : void gfc_commit_symbol (gfc_symbol *);
3876 : gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *);
3877 : void gfc_free_namespace (gfc_namespace *&);
3878 :
3879 : void gfc_symbol_init_2 (void);
3880 : void gfc_symbol_done_2 (void);
3881 :
3882 : void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
3883 : void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
3884 : void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
3885 : void gfc_save_all (gfc_namespace *);
3886 :
3887 : void gfc_enforce_clean_symbol_state (void);
3888 :
3889 : gfc_gsymbol *gfc_get_gsymbol (const char *, bool bind_c);
3890 : gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
3891 : gfc_gsymbol *gfc_find_case_gsymbol (gfc_gsymbol *, const char *);
3892 : void gfc_traverse_gsymbol (gfc_gsymbol *, void (*)(gfc_gsymbol *, void *), void *);
3893 :
3894 : gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*);
3895 : gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
3896 : bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *);
3897 : bool gfc_pdt_is_instance_of (gfc_symbol *, gfc_symbol *);
3898 : bool gfc_type_compatible (gfc_typespec *, gfc_typespec *);
3899 :
3900 : void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *,
3901 : gfc_actual_arglist *, bool copy_type = false);
3902 :
3903 : void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.cc, too */
3904 :
3905 : bool gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
3906 : gfc_namespace* gfc_find_proc_namespace (gfc_namespace*);
3907 :
3908 : bool gfc_is_associate_pointer (gfc_symbol*);
3909 : gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *);
3910 : gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *);
3911 :
3912 : gfc_namespace * gfc_get_procedure_ns (gfc_symbol *);
3913 : gfc_namespace * gfc_get_spec_ns (gfc_symbol *);
3914 :
3915 : /* intrinsic.cc -- true if working in an init-expr, false otherwise. */
3916 : extern bool gfc_init_expr_flag;
3917 :
3918 : /* Given a symbol that we have decided is intrinsic, mark it as such
3919 : by placing it into a special module that is otherwise impossible to
3920 : read or write. */
3921 :
3922 : #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3923 :
3924 : void gfc_intrinsic_init_1 (void);
3925 : void gfc_intrinsic_done_1 (void);
3926 :
3927 : char gfc_type_letter (bt, bool logical_equals_int = false);
3928 : int gfc_type_abi_kind (bt, int);
3929 : inline int
3930 15948241 : gfc_type_abi_kind (gfc_typespec *ts)
3931 : {
3932 15948241 : return gfc_type_abi_kind (ts->type, ts->kind);
3933 : }
3934 : gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
3935 : gfc_symbol *gfc_get_intrinsic_function_symbol (gfc_expr *);
3936 : gfc_symbol *gfc_find_intrinsic_symbol (gfc_expr *);
3937 : bool gfc_convert_type (gfc_expr *, gfc_typespec *, int);
3938 : bool gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int,
3939 : bool array = false);
3940 : bool gfc_convert_chartype (gfc_expr *, gfc_typespec *);
3941 : bool gfc_generic_intrinsic (const char *);
3942 : bool gfc_specific_intrinsic (const char *);
3943 : bool gfc_is_intrinsic (gfc_symbol*, int, locus);
3944 : bool gfc_intrinsic_actual_ok (const char *, const bool);
3945 : gfc_intrinsic_sym *gfc_find_function (const char *);
3946 : gfc_intrinsic_sym *gfc_find_subroutine (const char *);
3947 : gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id);
3948 : gfc_intrinsic_sym *gfc_intrinsic_subroutine_by_id (gfc_isym_id);
3949 : gfc_isym_id gfc_isym_id_by_intmod (intmod_id, int);
3950 : gfc_isym_id gfc_isym_id_by_intmod_sym (gfc_symbol *);
3951 :
3952 :
3953 : match gfc_intrinsic_func_interface (gfc_expr *, int);
3954 : match gfc_intrinsic_sub_interface (gfc_code *, int);
3955 :
3956 : void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
3957 : bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
3958 : bool, locus);
3959 :
3960 : /* match.cc -- FIXME */
3961 : void gfc_free_iterator (gfc_iterator *, int);
3962 : void gfc_free_forall_iterator (gfc_forall_iterator *);
3963 : void gfc_free_alloc_list (gfc_alloc *);
3964 : void gfc_free_namelist (gfc_namelist *);
3965 : void gfc_free_omp_namelist (gfc_omp_namelist *, enum gfc_omp_list_type);
3966 : void gfc_free_equiv (gfc_equiv *);
3967 : void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *);
3968 : void gfc_free_data (gfc_data *);
3969 : void gfc_reject_data (gfc_namespace *);
3970 : void gfc_free_case_list (gfc_case *);
3971 :
3972 : /* matchexp.cc -- FIXME too? */
3973 : gfc_expr *gfc_get_parentheses (gfc_expr *);
3974 :
3975 : /* openmp.cc */
3976 : struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; };
3977 : bool gfc_omp_requires_add_clause (gfc_omp_requires_kind, const char *,
3978 : locus *, const char *);
3979 : void gfc_check_omp_requires (gfc_namespace *, int);
3980 : void gfc_free_omp_clauses (gfc_omp_clauses *);
3981 : void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare *);
3982 : void gfc_free_omp_declare_variant_list (gfc_omp_declare_variant *list);
3983 : void gfc_free_omp_declare_simd (gfc_omp_declare_simd *);
3984 : void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd *);
3985 : void gfc_free_omp_udr (gfc_omp_udr *);
3986 : void gfc_free_omp_udm (gfc_omp_udm *);
3987 : void gfc_free_omp_variants (gfc_omp_variant *);
3988 : gfc_omp_udr *gfc_omp_udr_find (gfc_symtree *, gfc_typespec *);
3989 : gfc_omp_udm *gfc_omp_udm_find (gfc_symtree *, gfc_typespec *);
3990 : gfc_omp_udm *gfc_find_omp_udm (gfc_namespace *ns, const char *mapper_id,
3991 : gfc_typespec *ts);
3992 : void gfc_resolve_omp_allocate (gfc_namespace *, gfc_omp_namelist *);
3993 : void gfc_resolve_omp_assumptions (gfc_omp_assumptions *);
3994 : void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
3995 : void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *, bool);
3996 : void gfc_resolve_omp_local_vars (gfc_namespace *);
3997 : void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
3998 : void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
3999 : void gfc_resolve_omp_declare (gfc_namespace *);
4000 : void gfc_resolve_omp_udrs (gfc_symtree *);
4001 : void gfc_resolve_omp_udms (gfc_symtree *);
4002 : void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *);
4003 : void gfc_omp_restore_state (struct gfc_omp_saved_state *);
4004 : void gfc_free_expr_list (gfc_expr_list *);
4005 : void gfc_resolve_oacc_directive (gfc_code *, gfc_namespace *);
4006 : void gfc_resolve_oacc_declare (gfc_namespace *);
4007 : void gfc_resolve_oacc_blocks (gfc_code *, gfc_namespace *);
4008 : void gfc_resolve_oacc_routines (gfc_namespace *);
4009 :
4010 : /* expr.cc */
4011 : void gfc_free_actual_arglist (gfc_actual_arglist *);
4012 : gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
4013 :
4014 : bool gfc_extract_int (gfc_expr *, int *, int = 0);
4015 : bool gfc_extract_hwi (gfc_expr *, HOST_WIDE_INT *, int = 0);
4016 :
4017 : bool is_CFI_desc (gfc_symbol *, gfc_expr *);
4018 : bool is_subref_array (gfc_expr *);
4019 : bool gfc_is_simply_contiguous (gfc_expr *, bool, bool);
4020 : bool gfc_is_not_contiguous (gfc_expr *);
4021 : bool gfc_check_init_expr (gfc_expr *);
4022 :
4023 : gfc_expr *gfc_build_conversion (gfc_expr *);
4024 : void gfc_free_ref_list (gfc_ref *);
4025 : void gfc_type_convert_binary (gfc_expr *, int);
4026 : bool gfc_is_constant_expr (gfc_expr *);
4027 : bool gfc_simplify_expr (gfc_expr *, int);
4028 : bool gfc_try_simplify_expr (gfc_expr *, int);
4029 : bool gfc_has_vector_index (gfc_expr *);
4030 : bool gfc_is_ptr_fcn (gfc_expr *);
4031 :
4032 : gfc_expr *gfc_get_expr (void);
4033 : gfc_expr *gfc_get_array_expr (bt type, int kind, locus *);
4034 : gfc_expr *gfc_get_null_expr (locus *);
4035 : gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op, gfc_expr *,
4036 : gfc_expr *);
4037 : gfc_expr *gfc_get_conditional_expr (locus *, gfc_expr *, gfc_expr *,
4038 : gfc_expr *);
4039 : gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *);
4040 : gfc_expr *gfc_get_constant_expr (bt, int, locus *);
4041 : gfc_expr *gfc_get_character_expr (int, locus *, const char *, gfc_charlen_t len);
4042 : gfc_expr *gfc_get_int_expr (int, locus *, HOST_WIDE_INT);
4043 : gfc_expr *gfc_get_unsigned_expr (int, locus *, HOST_WIDE_INT);
4044 : gfc_expr *gfc_get_logical_expr (int, locus *, bool);
4045 : gfc_expr *gfc_get_iokind_expr (locus *, io_kind);
4046 :
4047 : void gfc_clear_shape (mpz_t *shape, int rank);
4048 : void gfc_free_shape (mpz_t **shape, int rank);
4049 : void gfc_free_expr (gfc_expr *);
4050 : void gfc_replace_expr (gfc_expr *, gfc_expr *);
4051 : mpz_t *gfc_copy_shape (mpz_t *, int);
4052 : mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
4053 : gfc_expr *gfc_copy_expr (gfc_expr *);
4054 : gfc_ref* gfc_copy_ref (gfc_ref*);
4055 :
4056 : bool gfc_specification_expr (gfc_expr *);
4057 :
4058 : bool gfc_numeric_ts (gfc_typespec *);
4059 : int gfc_kind_max (gfc_expr *, gfc_expr *);
4060 :
4061 : bool gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3;
4062 : bool gfc_check_type_spec_parms (gfc_expr *, gfc_expr *, const char *);
4063 : bool gfc_check_assign (gfc_expr *, gfc_expr *, int, bool c = true);
4064 : bool gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue,
4065 : bool suppres_type_test = false,
4066 : bool is_init_expr = false);
4067 : bool gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *);
4068 :
4069 : gfc_expr *gfc_build_default_init_expr (gfc_typespec *, locus *);
4070 : void gfc_apply_init (gfc_typespec *, symbol_attribute *, gfc_expr *);
4071 : bool gfc_has_default_initializer (gfc_symbol *);
4072 : gfc_expr *gfc_default_initializer (gfc_typespec *);
4073 : gfc_expr *gfc_generate_initializer (gfc_typespec *, bool);
4074 : gfc_expr *gfc_get_variable_expr (gfc_symtree *);
4075 : void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *);
4076 : gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
4077 :
4078 : gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr);
4079 :
4080 : bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
4081 : bool (*)(gfc_expr *, gfc_symbol *, int*),
4082 : int);
4083 : void gfc_expr_set_symbols_referenced (gfc_expr *);
4084 : bool gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
4085 : bool gfc_derived_parameter_expr (gfc_expr *);
4086 : gfc_param_spec_type gfc_spec_list_type (gfc_actual_arglist *, gfc_symbol *);
4087 : gfc_component * gfc_get_proc_ptr_comp (gfc_expr *);
4088 : bool gfc_is_proc_ptr_comp (gfc_expr *);
4089 : bool gfc_is_alloc_class_scalar_function (gfc_expr *);
4090 : bool gfc_is_class_array_function (gfc_expr *);
4091 :
4092 : bool gfc_ref_this_image (gfc_ref *ref);
4093 : bool gfc_is_coindexed (gfc_expr *);
4094 : bool gfc_is_coarray (gfc_expr *);
4095 : bool gfc_has_ultimate_allocatable (gfc_expr *);
4096 : bool gfc_has_ultimate_pointer (gfc_expr *);
4097 : gfc_expr *gfc_find_team_co (gfc_expr *,
4098 : gfc_array_ref_team_type req_team_type = TEAM_TEAM);
4099 : gfc_expr* gfc_find_stat_co (gfc_expr *);
4100 : gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*,
4101 : locus, unsigned, ...);
4102 : bool gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*);
4103 : gfc_expr* gfc_pdt_find_component_copy_initializer (gfc_symbol *, const char *);
4104 : bool has_parameterized_comps (gfc_symbol *);
4105 :
4106 : /* st.cc */
4107 : extern gfc_code new_st;
4108 :
4109 : void gfc_clear_new_st (void);
4110 : gfc_code *gfc_get_code (gfc_exec_op);
4111 : gfc_code *gfc_append_code (gfc_code *, gfc_code *);
4112 : void gfc_free_statement (gfc_code *);
4113 : void gfc_free_statements (gfc_code *);
4114 : void gfc_free_association_list (gfc_association_list *);
4115 :
4116 : /* resolve.cc */
4117 : void gfc_resolve_symbol (gfc_symbol *);
4118 : void gfc_expression_rank (gfc_expr *);
4119 : bool gfc_op_rank_conformable (gfc_expr *, gfc_expr *);
4120 : bool gfc_resolve_ref (gfc_expr *);
4121 : void gfc_fixup_inferred_type_refs (gfc_expr *);
4122 : bool gfc_resolve_expr (gfc_expr *);
4123 : void gfc_resolve (gfc_namespace *);
4124 : void gfc_resolve_code (gfc_code *, gfc_namespace *);
4125 : void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
4126 : void gfc_resolve_formal_arglist (gfc_symbol *);
4127 : bool gfc_impure_variable (gfc_symbol *);
4128 : bool gfc_pure (gfc_symbol *);
4129 : bool gfc_implicit_pure (gfc_symbol *);
4130 : void gfc_unset_implicit_pure (gfc_symbol *);
4131 : bool gfc_elemental (gfc_symbol *);
4132 : bool gfc_resolve_iterator (gfc_iterator *, bool, bool);
4133 : bool find_forall_index (gfc_expr *, gfc_symbol *, int);
4134 : bool gfc_resolve_index (gfc_expr *, int);
4135 : bool gfc_resolve_dim_arg (gfc_expr *);
4136 : bool gfc_resolve_substring (gfc_ref *, bool *);
4137 : void gfc_resolve_substring_charlen (gfc_expr *);
4138 : void gfc_resolve_sync_stat (struct sync_stat *);
4139 : gfc_expr *gfc_expr_to_initialize (gfc_expr *);
4140 : bool gfc_type_is_extensible (gfc_symbol *);
4141 : bool gfc_resolve_intrinsic (gfc_symbol *, locus *);
4142 : bool gfc_explicit_interface_required (gfc_symbol *, char *, int);
4143 : extern int gfc_do_concurrent_flag;
4144 : const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree *);
4145 : bool gfc_pure_function (gfc_expr *e, const char **name);
4146 : bool gfc_implicit_pure_function (gfc_expr *e);
4147 :
4148 : /* coarray.cc */
4149 : void gfc_coarray_rewrite (gfc_namespace *);
4150 :
4151 : /* array.cc */
4152 : gfc_iterator *gfc_copy_iterator (gfc_iterator *);
4153 :
4154 : void gfc_free_array_spec (gfc_array_spec *);
4155 : gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
4156 :
4157 : bool gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
4158 : gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
4159 : bool gfc_resolve_array_spec (gfc_array_spec *, int);
4160 :
4161 : bool gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
4162 :
4163 : void gfc_simplify_iterator_var (gfc_expr *);
4164 : bool gfc_expand_constructor (gfc_expr *, bool);
4165 : bool gfc_constant_ac (gfc_expr *);
4166 : bool gfc_expanded_ac (gfc_expr *);
4167 : bool gfc_resolve_character_array_constructor (gfc_expr *);
4168 : bool gfc_resolve_array_constructor (gfc_expr *);
4169 : bool gfc_check_constructor_type (gfc_expr *);
4170 : bool gfc_check_iter_variable (gfc_expr *);
4171 : bool gfc_check_constructor (gfc_expr *, bool (*)(gfc_expr *));
4172 : bool gfc_array_size (gfc_expr *, mpz_t *);
4173 : bool gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
4174 : bool gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
4175 : gfc_array_ref *gfc_find_array_ref (gfc_expr *, bool a = false);
4176 : tree gfc_conv_array_initializer (tree type, gfc_expr *);
4177 : bool spec_size (gfc_array_spec *, mpz_t *);
4178 : bool spec_dimen_size (gfc_array_spec *, int, mpz_t *);
4179 : bool gfc_is_compile_time_shape (gfc_array_spec *);
4180 :
4181 : bool gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *);
4182 :
4183 : /* interface.cc -- FIXME: some of these should be in symbol.cc */
4184 : void gfc_free_interface (gfc_interface *);
4185 : void gfc_drop_interface_elements_before (gfc_interface **, gfc_interface *);
4186 : bool gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
4187 : bool gfc_compare_types (gfc_typespec *, gfc_typespec *);
4188 : int gfc_symbol_rank (gfc_symbol *);
4189 : bool gfc_check_dummy_characteristics (gfc_symbol *, gfc_symbol *,
4190 : bool, char *, int);
4191 : bool gfc_check_result_characteristics (gfc_symbol *, gfc_symbol *,
4192 : char *, int);
4193 : bool gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int,
4194 : char *, int, const char *, const char *,
4195 : bool *bad_result_characteristics = NULL);
4196 : void gfc_check_interfaces (gfc_namespace *);
4197 : bool gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
4198 : void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *);
4199 : gfc_symbol *gfc_search_interface (gfc_interface *, int,
4200 : gfc_actual_arglist **);
4201 : match gfc_extend_expr (gfc_expr *);
4202 : void gfc_free_formal_arglist (gfc_formal_arglist *);
4203 : bool gfc_extend_assign (gfc_code *, gfc_namespace *);
4204 : bool gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus);
4205 : bool gfc_add_interface (gfc_symbol *);
4206 : gfc_interface *&gfc_current_interface_head (void);
4207 : void gfc_set_current_interface_head (gfc_interface *);
4208 : gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
4209 : bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
4210 : bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus);
4211 : bool gfc_has_vector_subscript (gfc_expr*);
4212 : gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op);
4213 : bool gfc_check_typebound_override (gfc_symtree*, gfc_symtree*);
4214 : void gfc_check_dtio_interfaces (gfc_symbol*);
4215 : gfc_symtree* gfc_find_typebound_dtio_proc (gfc_symbol *, bool, bool);
4216 : gfc_symbol* gfc_find_specific_dtio_proc (gfc_symbol*, bool, bool);
4217 : void gfc_get_formal_from_actual_arglist (gfc_symbol *, gfc_actual_arglist *);
4218 : bool gfc_compare_actual_formal (gfc_actual_arglist **, gfc_formal_arglist *,
4219 : int, int, bool, locus *);
4220 :
4221 :
4222 : /* io.cc */
4223 : extern gfc_st_label format_asterisk;
4224 :
4225 : void gfc_free_open (gfc_open *);
4226 : bool gfc_resolve_open (gfc_open *, locus *);
4227 : void gfc_free_close (gfc_close *);
4228 : bool gfc_resolve_close (gfc_close *, locus *);
4229 : void gfc_free_filepos (gfc_filepos *);
4230 : bool gfc_resolve_filepos (gfc_filepos *, locus *);
4231 : void gfc_free_inquire (gfc_inquire *);
4232 : bool gfc_resolve_inquire (gfc_inquire *);
4233 : void gfc_free_dt (gfc_dt *);
4234 : bool gfc_resolve_dt (gfc_code *, gfc_dt *, locus *);
4235 : void gfc_free_wait (gfc_wait *);
4236 : bool gfc_resolve_wait (gfc_wait *);
4237 :
4238 : /* module.cc */
4239 : void gfc_module_init_2 (void);
4240 : void gfc_module_done_2 (void);
4241 : void gfc_dump_module (const char *, int);
4242 : bool gfc_check_symbol_access (gfc_symbol *);
4243 : void gfc_free_use_stmts (gfc_use_list *);
4244 : void gfc_save_module_list ();
4245 : void gfc_restore_old_module_list ();
4246 : const char *gfc_dt_lower_string (const char *);
4247 : const char *gfc_dt_upper_string (const char *);
4248 :
4249 : /* primary.cc */
4250 : symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
4251 : symbol_attribute gfc_expr_attr (gfc_expr *);
4252 : symbol_attribute gfc_caf_attr (gfc_expr *, bool i = false, bool *r = NULL);
4253 : bool is_inquiry_ref (const char *, gfc_ref **);
4254 : match gfc_match_rvalue (gfc_expr **);
4255 : match gfc_match_varspec (gfc_expr*, int, bool, bool);
4256 : bool gfc_check_digit (char, int);
4257 : bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *);
4258 : bool gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *,
4259 : gfc_expr **,
4260 : gfc_actual_arglist **, bool);
4261 :
4262 : /* trans.cc */
4263 : void gfc_generate_code (gfc_namespace *);
4264 : void gfc_generate_module_code (gfc_namespace *);
4265 :
4266 : /* trans-intrinsic.cc */
4267 : bool gfc_inline_intrinsic_function_p (gfc_expr *);
4268 :
4269 : /* trans-openmp.cc */
4270 : int gfc_expr_list_len (gfc_expr_list *);
4271 :
4272 : /* bbt.cc */
4273 : typedef int (*compare_fn) (void *, void *);
4274 : void gfc_insert_bbt (void *, void *, compare_fn);
4275 : void * gfc_delete_bbt (void *, void *, compare_fn);
4276 :
4277 : /* dump-parse-tree.cc */
4278 : void gfc_dump_parse_tree (gfc_namespace *, FILE *);
4279 : void gfc_dump_c_prototypes (FILE *);
4280 : void gfc_dump_external_c_prototypes (FILE *);
4281 : void gfc_dump_global_symbols (FILE *);
4282 : void debug (gfc_symbol *);
4283 : void debug (gfc_expr *);
4284 :
4285 : /* parse.cc */
4286 : bool gfc_parse_file (void);
4287 : void gfc_global_used (gfc_gsymbol *, locus *);
4288 : gfc_namespace* gfc_build_block_ns (gfc_namespace *);
4289 : gfc_statement match_omp_directive (void);
4290 : bool is_omp_declarative_stmt (gfc_statement);
4291 :
4292 : /* dependency.cc */
4293 : int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool);
4294 : int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
4295 : bool gfc_dep_difference (gfc_expr *, gfc_expr *, mpz_t *);
4296 :
4297 : /* check.cc */
4298 : bool gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*);
4299 : bool gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*,
4300 : size_t*, size_t*, size_t*);
4301 : bool gfc_boz2int (gfc_expr *, int);
4302 : bool gfc_boz2uint (gfc_expr *, int);
4303 : bool gfc_boz2real (gfc_expr *, int);
4304 : bool gfc_invalid_boz (const char *, locus *);
4305 : bool gfc_invalid_null_arg (gfc_expr *);
4306 :
4307 : bool gfc_invalid_unsigned_ops (gfc_expr *, gfc_expr *);
4308 :
4309 : /* class.cc */
4310 : void gfc_fix_class_refs (gfc_expr *e);
4311 : void gfc_add_component_ref (gfc_expr *, const char *);
4312 : void gfc_add_class_array_ref (gfc_expr *);
4313 : #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
4314 : #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
4315 : #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
4316 : #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
4317 : #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
4318 : #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
4319 : #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
4320 : bool gfc_is_class_array_ref (gfc_expr *, bool *);
4321 : bool gfc_is_class_scalar_expr (gfc_expr *);
4322 : bool gfc_is_class_container_ref (gfc_expr *e);
4323 : gfc_expr *gfc_class_initializer (gfc_typespec *, gfc_expr *);
4324 : unsigned int gfc_hash_value (gfc_symbol *);
4325 : gfc_expr *gfc_get_len_component (gfc_expr *e, int);
4326 : bool gfc_build_class_symbol (gfc_typespec *, symbol_attribute *,
4327 : gfc_array_spec **);
4328 : void gfc_change_class (gfc_typespec *, symbol_attribute *,
4329 : gfc_array_spec *, int, int);
4330 : gfc_symbol *gfc_find_derived_vtab (gfc_symbol *);
4331 : gfc_symbol *gfc_find_vtab (gfc_typespec *);
4332 : gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, bool*,
4333 : const char*, bool, locus*);
4334 : gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, bool*,
4335 : const char*, bool, locus*);
4336 : gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, bool*,
4337 : gfc_intrinsic_op, bool,
4338 : locus*);
4339 : gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*);
4340 : bool gfc_is_finalizable (gfc_symbol *, gfc_expr **);
4341 : bool gfc_may_be_finalized (gfc_typespec);
4342 :
4343 : #define CLASS_DATA(sym) sym->ts.u.derived->components
4344 : #define UNLIMITED_POLY(sym) \
4345 : (sym != NULL && sym->ts.type == BT_CLASS \
4346 : && CLASS_DATA (sym) \
4347 : && CLASS_DATA (sym)->ts.u.derived \
4348 : && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
4349 : #define IS_CLASS_ARRAY(sym) \
4350 : (sym->ts.type == BT_CLASS \
4351 : && CLASS_DATA (sym) \
4352 : && CLASS_DATA (sym)->attr.dimension \
4353 : && !CLASS_DATA (sym)->attr.class_pointer)
4354 : #define IS_CLASS_COARRAY_OR_ARRAY(sym) \
4355 : (sym->ts.type == BT_CLASS && CLASS_DATA (sym) \
4356 : && (CLASS_DATA (sym)->attr.dimension \
4357 : || CLASS_DATA (sym)->attr.codimension) \
4358 : && !CLASS_DATA (sym)->attr.class_pointer)
4359 : #define IS_POINTER(sym) \
4360 : (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \
4361 : ? CLASS_DATA (sym)->attr.class_pointer : sym->attr.pointer)
4362 : #define IS_PROC_POINTER(sym) \
4363 : (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \
4364 : ? CLASS_DATA (sym)->attr.proc_pointer : sym->attr.proc_pointer)
4365 : #define IS_INFERRED_TYPE(expr) \
4366 : (expr && expr->expr_type == EXPR_VARIABLE \
4367 : && expr->symtree->n.sym->assoc \
4368 : && expr->symtree->n.sym->assoc->inferred_type)
4369 : #define PDT_PREFIX "PDT"
4370 : #define PDT_PREFIX_LEN 3
4371 : #define IS_PDT(sym) \
4372 : (sym != NULL && sym->ts.type == BT_DERIVED \
4373 : && sym->ts.u.derived \
4374 : && sym->ts.u.derived->attr.pdt_type)
4375 : #define IS_CLASS_PDT(sym) \
4376 : (sym != NULL && sym->ts.type == BT_CLASS \
4377 : && CLASS_DATA (sym) \
4378 : && CLASS_DATA (sym)->ts.u.derived \
4379 : && CLASS_DATA (sym)->ts.u.derived->attr.pdt_type)
4380 :
4381 : /* frontend-passes.cc */
4382 :
4383 : void gfc_run_passes (gfc_namespace *);
4384 :
4385 : typedef int (*walk_code_fn_t) (gfc_code **, int *, void *);
4386 : typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *);
4387 :
4388 : int gfc_dummy_code_callback (gfc_code **, int *, void *);
4389 : int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *);
4390 : int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *);
4391 : bool gfc_has_dimen_vector_ref (gfc_expr *e);
4392 : void gfc_check_externals (gfc_namespace *);
4393 : bool gfc_fix_implicit_pure (gfc_namespace *);
4394 :
4395 : /* simplify.cc */
4396 :
4397 : void gfc_convert_mpz_to_signed (mpz_t, int);
4398 : gfc_expr *gfc_simplify_ieee_functions (gfc_expr *);
4399 : bool gfc_is_constant_array_expr (gfc_expr *);
4400 : bool gfc_is_size_zero_array (gfc_expr *);
4401 : void gfc_convert_mpz_to_unsigned (mpz_t, int, bool sign = true);
4402 :
4403 : /* trans-array.cc */
4404 :
4405 : bool gfc_is_reallocatable_lhs (gfc_expr *);
4406 :
4407 : /* trans-decl.cc */
4408 :
4409 : void finish_oacc_declare (gfc_namespace *, gfc_symbol *, bool);
4410 : void gfc_adjust_builtins (void);
4411 : void gfc_add_caf_accessor (gfc_expr *, gfc_expr *);
4412 :
4413 : #endif /* GCC_GFORTRAN_H */
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