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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_REDUCTION,
288 : ST_OMP_TARGET, ST_OMP_END_TARGET, ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA,
289 : ST_OMP_TARGET_UPDATE, ST_OMP_DECLARE_TARGET, ST_OMP_DECLARE_VARIANT,
290 : ST_OMP_TEAMS, ST_OMP_END_TEAMS, ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE,
291 : ST_OMP_DISTRIBUTE_SIMD, ST_OMP_END_DISTRIBUTE_SIMD,
292 : ST_OMP_DISTRIBUTE_PARALLEL_DO, ST_OMP_END_DISTRIBUTE_PARALLEL_DO,
293 : ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD,
294 : ST_OMP_TARGET_TEAMS, ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
295 : ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
296 : ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
297 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
298 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
299 : ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
300 : ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
301 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
302 : ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
303 : ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
304 : ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
305 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
306 : ST_OMP_TARGET_PARALLEL, ST_OMP_END_TARGET_PARALLEL,
307 : ST_OMP_TARGET_PARALLEL_DO, ST_OMP_END_TARGET_PARALLEL_DO,
308 : ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_END_TARGET_PARALLEL_DO_SIMD,
309 : ST_OMP_TARGET_ENTER_DATA, ST_OMP_TARGET_EXIT_DATA,
310 : ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD,
311 : ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP, ST_OMP_SCAN, ST_OMP_DEPOBJ,
312 : ST_OMP_TASKLOOP_SIMD, ST_OMP_END_TASKLOOP_SIMD, ST_OMP_ORDERED_DEPEND,
313 : ST_OMP_REQUIRES, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL,
314 : ST_OMP_GROUPPRIVATE,
315 : ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_EVENT_POST,
316 : ST_EVENT_WAIT, ST_FAIL_IMAGE, ST_FORM_TEAM, ST_CHANGE_TEAM,
317 : ST_END_TEAM, ST_SYNC_TEAM, ST_OMP_PARALLEL_MASTER,
318 : ST_OMP_END_PARALLEL_MASTER, ST_OMP_PARALLEL_MASTER_TASKLOOP,
319 : ST_OMP_END_PARALLEL_MASTER_TASKLOOP, ST_OMP_PARALLEL_MASTER_TASKLOOP_SIMD,
320 : ST_OMP_END_PARALLEL_MASTER_TASKLOOP_SIMD, ST_OMP_MASTER_TASKLOOP,
321 : ST_OMP_END_MASTER_TASKLOOP, ST_OMP_MASTER_TASKLOOP_SIMD,
322 : ST_OMP_END_MASTER_TASKLOOP_SIMD, ST_OMP_LOOP, ST_OMP_END_LOOP,
323 : ST_OMP_PARALLEL_LOOP, ST_OMP_END_PARALLEL_LOOP, ST_OMP_TEAMS_LOOP,
324 : ST_OMP_END_TEAMS_LOOP, ST_OMP_TARGET_PARALLEL_LOOP,
325 : ST_OMP_END_TARGET_PARALLEL_LOOP, ST_OMP_TARGET_TEAMS_LOOP,
326 : ST_OMP_END_TARGET_TEAMS_LOOP, ST_OMP_MASKED, ST_OMP_END_MASKED,
327 : ST_OMP_PARALLEL_MASKED, ST_OMP_END_PARALLEL_MASKED,
328 : ST_OMP_PARALLEL_MASKED_TASKLOOP, ST_OMP_END_PARALLEL_MASKED_TASKLOOP,
329 : ST_OMP_PARALLEL_MASKED_TASKLOOP_SIMD,
330 : ST_OMP_END_PARALLEL_MASKED_TASKLOOP_SIMD, ST_OMP_MASKED_TASKLOOP,
331 : ST_OMP_END_MASKED_TASKLOOP, ST_OMP_MASKED_TASKLOOP_SIMD,
332 : ST_OMP_END_MASKED_TASKLOOP_SIMD, ST_OMP_SCOPE, ST_OMP_END_SCOPE,
333 : ST_OMP_METADIRECTIVE, ST_OMP_BEGIN_METADIRECTIVE, ST_OMP_END_METADIRECTIVE,
334 : ST_OMP_ERROR, ST_OMP_ASSUME, ST_OMP_END_ASSUME, ST_OMP_ASSUMES,
335 : ST_OMP_ALLOCATE, ST_OMP_ALLOCATE_EXEC,
336 : ST_OMP_ALLOCATORS, ST_OMP_END_ALLOCATORS,
337 : /* Note: gfc_match_omp_nothing returns ST_NONE. */
338 : ST_OMP_NOTHING, ST_NONE,
339 : ST_OMP_UNROLL, ST_OMP_END_UNROLL,
340 : ST_OMP_TILE, ST_OMP_END_TILE, ST_OMP_INTEROP, ST_OMP_DISPATCH,
341 : ST_OMP_END_DISPATCH
342 : };
343 :
344 : /* Types of interfaces that we can have. Assignment interfaces are
345 : considered to be intrinsic operators. */
346 : enum interface_type
347 : {
348 : INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
349 : INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT,
350 : INTERFACE_DTIO
351 : };
352 :
353 : /* Symbol flavors: these are all mutually exclusive.
354 : 12 elements = 4 bits. */
355 : enum sym_flavor
356 : {
357 : FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
358 : FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST,
359 : FL_UNION, FL_STRUCT, FL_VOID
360 : };
361 :
362 : /* Procedure types. 7 elements = 3 bits. */
363 : enum procedure_type
364 : { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
365 : PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
366 : };
367 :
368 : /* Intent types. Note that these values are also used in another enum in
369 : decl.cc (match_attr_spec). */
370 : enum sym_intent
371 : { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
372 : };
373 :
374 : /* Access types. */
375 : enum gfc_access
376 : { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
377 : };
378 :
379 : /* Flags to keep track of where an interface came from.
380 : 3 elements = 2 bits. */
381 : enum ifsrc
382 : { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */
383 : IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */
384 : IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement
385 : with explicit interface. */
386 : };
387 :
388 : /* Whether a SAVE attribute was set explicitly or implicitly. */
389 : enum save_state
390 : { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
391 : };
392 :
393 : /* OpenACC 'routine' directive's level of parallelism. */
394 : enum oacc_routine_lop
395 : { OACC_ROUTINE_LOP_NONE = 0,
396 : OACC_ROUTINE_LOP_GANG,
397 : OACC_ROUTINE_LOP_WORKER,
398 : OACC_ROUTINE_LOP_VECTOR,
399 : OACC_ROUTINE_LOP_SEQ,
400 : OACC_ROUTINE_LOP_ERROR
401 : };
402 :
403 : /* Strings for all symbol attributes. We use these for dumping the
404 : parse tree, in error messages, and also when reading and writing
405 : modules. In symbol.cc. */
406 : extern const mstring flavors[];
407 : extern const mstring procedures[];
408 : extern const mstring intents[];
409 : extern const mstring access_types[];
410 : extern const mstring ifsrc_types[];
411 : extern const mstring save_status[];
412 :
413 : /* Strings for DTIO procedure names. In symbol.cc. */
414 : extern const mstring dtio_procs[];
415 :
416 : enum dtio_codes
417 : { DTIO_RF = 0, DTIO_WF, DTIO_RUF, DTIO_WUF };
418 :
419 : /* Enumeration of all the generic intrinsic functions. Used by the
420 : backend for identification of a function. */
421 :
422 : enum gfc_isym_id
423 : {
424 : /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
425 : the backend (e.g. KIND). */
426 : GFC_ISYM_NONE = 0,
427 : GFC_ISYM_ABORT,
428 : GFC_ISYM_ABS,
429 : GFC_ISYM_ACCESS,
430 : GFC_ISYM_ACHAR,
431 : GFC_ISYM_ACOS,
432 : GFC_ISYM_ACOSD,
433 : GFC_ISYM_ACOSH,
434 : GFC_ISYM_ADJUSTL,
435 : GFC_ISYM_ADJUSTR,
436 : GFC_ISYM_AIMAG,
437 : GFC_ISYM_AINT,
438 : GFC_ISYM_ALARM,
439 : GFC_ISYM_ALL,
440 : GFC_ISYM_ALLOCATED,
441 : GFC_ISYM_AND,
442 : GFC_ISYM_ANINT,
443 : GFC_ISYM_ANY,
444 : GFC_ISYM_ASIN,
445 : GFC_ISYM_ASIND,
446 : GFC_ISYM_ASINH,
447 : GFC_ISYM_ASSOCIATED,
448 : GFC_ISYM_ATAN,
449 : GFC_ISYM_ATAN2,
450 : GFC_ISYM_ATAN2D,
451 : GFC_ISYM_ATAND,
452 : GFC_ISYM_ATANH,
453 : GFC_ISYM_ATOMIC_ADD,
454 : GFC_ISYM_ATOMIC_AND,
455 : GFC_ISYM_ATOMIC_CAS,
456 : GFC_ISYM_ATOMIC_DEF,
457 : GFC_ISYM_ATOMIC_FETCH_ADD,
458 : GFC_ISYM_ATOMIC_FETCH_AND,
459 : GFC_ISYM_ATOMIC_FETCH_OR,
460 : GFC_ISYM_ATOMIC_FETCH_XOR,
461 : GFC_ISYM_ATOMIC_OR,
462 : GFC_ISYM_ATOMIC_REF,
463 : GFC_ISYM_ATOMIC_XOR,
464 : GFC_ISYM_BGE,
465 : GFC_ISYM_BGT,
466 : GFC_ISYM_BIT_SIZE,
467 : GFC_ISYM_BLE,
468 : GFC_ISYM_BLT,
469 : GFC_ISYM_BTEST,
470 : GFC_ISYM_CAF_GET,
471 : GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE,
472 : GFC_ISYM_CAF_SEND,
473 : GFC_ISYM_CAF_SENDGET,
474 : GFC_ISYM_CEILING,
475 : GFC_ISYM_CHAR,
476 : GFC_ISYM_CHDIR,
477 : GFC_ISYM_CHMOD,
478 : GFC_ISYM_CMPLX,
479 : GFC_ISYM_CO_BROADCAST,
480 : GFC_ISYM_CO_MAX,
481 : GFC_ISYM_CO_MIN,
482 : GFC_ISYM_CO_REDUCE,
483 : GFC_ISYM_CO_SUM,
484 : GFC_ISYM_COMMAND_ARGUMENT_COUNT,
485 : GFC_ISYM_COMPILER_OPTIONS,
486 : GFC_ISYM_COMPILER_VERSION,
487 : GFC_ISYM_COMPLEX,
488 : GFC_ISYM_CONJG,
489 : GFC_ISYM_CONVERSION,
490 : GFC_ISYM_COS,
491 : GFC_ISYM_COSD,
492 : GFC_ISYM_COSH,
493 : GFC_ISYM_COSHAPE,
494 : GFC_ISYM_COTAN,
495 : GFC_ISYM_COTAND,
496 : GFC_ISYM_COUNT,
497 : GFC_ISYM_CPU_TIME,
498 : GFC_ISYM_CSHIFT,
499 : GFC_ISYM_CTIME,
500 : GFC_ISYM_C_ASSOCIATED,
501 : GFC_ISYM_C_F_POINTER,
502 : GFC_ISYM_C_F_PROCPOINTER,
503 : GFC_ISYM_C_FUNLOC,
504 : GFC_ISYM_C_LOC,
505 : GFC_ISYM_C_SIZEOF,
506 : GFC_ISYM_DATE_AND_TIME,
507 : GFC_ISYM_DBLE,
508 : GFC_ISYM_DFLOAT,
509 : GFC_ISYM_DIGITS,
510 : GFC_ISYM_DIM,
511 : GFC_ISYM_DOT_PRODUCT,
512 : GFC_ISYM_DPROD,
513 : GFC_ISYM_DSHIFTL,
514 : GFC_ISYM_DSHIFTR,
515 : GFC_ISYM_DTIME,
516 : GFC_ISYM_EOSHIFT,
517 : GFC_ISYM_EPSILON,
518 : GFC_ISYM_ERF,
519 : GFC_ISYM_ERFC,
520 : GFC_ISYM_ERFC_SCALED,
521 : GFC_ISYM_ETIME,
522 : GFC_ISYM_EVENT_QUERY,
523 : GFC_ISYM_EXECUTE_COMMAND_LINE,
524 : GFC_ISYM_EXIT,
525 : GFC_ISYM_EXP,
526 : GFC_ISYM_EXPONENT,
527 : GFC_ISYM_EXTENDS_TYPE_OF,
528 : GFC_ISYM_F_C_STRING,
529 : GFC_ISYM_FAILED_IMAGES,
530 : GFC_ISYM_FDATE,
531 : GFC_ISYM_FE_RUNTIME_ERROR,
532 : GFC_ISYM_FGET,
533 : GFC_ISYM_FGETC,
534 : GFC_ISYM_FINDLOC,
535 : GFC_ISYM_FLOAT,
536 : GFC_ISYM_FLOOR,
537 : GFC_ISYM_FLUSH,
538 : GFC_ISYM_FNUM,
539 : GFC_ISYM_FPUT,
540 : GFC_ISYM_FPUTC,
541 : GFC_ISYM_FRACTION,
542 : GFC_ISYM_FREE,
543 : GFC_ISYM_FSEEK,
544 : GFC_ISYM_FSTAT,
545 : GFC_ISYM_FTELL,
546 : GFC_ISYM_TGAMMA,
547 : GFC_ISYM_GERROR,
548 : GFC_ISYM_GETARG,
549 : GFC_ISYM_GET_COMMAND,
550 : GFC_ISYM_GET_COMMAND_ARGUMENT,
551 : GFC_ISYM_GETCWD,
552 : GFC_ISYM_GETENV,
553 : GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
554 : GFC_ISYM_GETGID,
555 : GFC_ISYM_GETLOG,
556 : GFC_ISYM_GETPID,
557 : GFC_ISYM_GET_TEAM,
558 : GFC_ISYM_GETUID,
559 : GFC_ISYM_GMTIME,
560 : GFC_ISYM_HOSTNM,
561 : GFC_ISYM_HUGE,
562 : GFC_ISYM_HYPOT,
563 : GFC_ISYM_IACHAR,
564 : GFC_ISYM_IALL,
565 : GFC_ISYM_IAND,
566 : GFC_ISYM_IANY,
567 : GFC_ISYM_IARGC,
568 : GFC_ISYM_IBCLR,
569 : GFC_ISYM_IBITS,
570 : GFC_ISYM_IBSET,
571 : GFC_ISYM_ICHAR,
572 : GFC_ISYM_IDATE,
573 : GFC_ISYM_IEOR,
574 : GFC_ISYM_IERRNO,
575 : GFC_ISYM_IMAGE_INDEX,
576 : GFC_ISYM_IMAGE_STATUS,
577 : GFC_ISYM_INDEX,
578 : GFC_ISYM_INT,
579 : GFC_ISYM_INT2,
580 : GFC_ISYM_INT8,
581 : GFC_ISYM_IOR,
582 : GFC_ISYM_IPARITY,
583 : GFC_ISYM_IRAND,
584 : GFC_ISYM_ISATTY,
585 : GFC_ISYM_IS_CONTIGUOUS,
586 : GFC_ISYM_IS_IOSTAT_END,
587 : GFC_ISYM_IS_IOSTAT_EOR,
588 : GFC_ISYM_ISNAN,
589 : GFC_ISYM_ISHFT,
590 : GFC_ISYM_ISHFTC,
591 : GFC_ISYM_ITIME,
592 : GFC_ISYM_J0,
593 : GFC_ISYM_J1,
594 : GFC_ISYM_JN,
595 : GFC_ISYM_JN2,
596 : GFC_ISYM_KILL,
597 : GFC_ISYM_KIND,
598 : GFC_ISYM_LBOUND,
599 : GFC_ISYM_LCOBOUND,
600 : GFC_ISYM_LEADZ,
601 : GFC_ISYM_LEN,
602 : GFC_ISYM_LEN_TRIM,
603 : GFC_ISYM_LGAMMA,
604 : GFC_ISYM_LGE,
605 : GFC_ISYM_LGT,
606 : GFC_ISYM_LINK,
607 : GFC_ISYM_LLE,
608 : GFC_ISYM_LLT,
609 : GFC_ISYM_LOC,
610 : GFC_ISYM_LOG,
611 : GFC_ISYM_LOG10,
612 : GFC_ISYM_LOGICAL,
613 : GFC_ISYM_LONG,
614 : GFC_ISYM_LSHIFT,
615 : GFC_ISYM_LSTAT,
616 : GFC_ISYM_LTIME,
617 : GFC_ISYM_MALLOC,
618 : GFC_ISYM_MASKL,
619 : GFC_ISYM_MASKR,
620 : GFC_ISYM_MATMUL,
621 : GFC_ISYM_MAX,
622 : GFC_ISYM_MAXEXPONENT,
623 : GFC_ISYM_MAXLOC,
624 : GFC_ISYM_MAXVAL,
625 : GFC_ISYM_MCLOCK,
626 : GFC_ISYM_MCLOCK8,
627 : GFC_ISYM_MERGE,
628 : GFC_ISYM_MERGE_BITS,
629 : GFC_ISYM_MIN,
630 : GFC_ISYM_MINEXPONENT,
631 : GFC_ISYM_MINLOC,
632 : GFC_ISYM_MINVAL,
633 : GFC_ISYM_MOD,
634 : GFC_ISYM_MODULO,
635 : GFC_ISYM_MOVE_ALLOC,
636 : GFC_ISYM_MVBITS,
637 : GFC_ISYM_NEAREST,
638 : GFC_ISYM_NEW_LINE,
639 : GFC_ISYM_NINT,
640 : GFC_ISYM_NORM2,
641 : GFC_ISYM_NOT,
642 : GFC_ISYM_NULL,
643 : GFC_ISYM_NUM_IMAGES,
644 : GFC_ISYM_OR,
645 : GFC_ISYM_OUT_OF_RANGE,
646 : GFC_ISYM_PACK,
647 : GFC_ISYM_PARITY,
648 : GFC_ISYM_PERROR,
649 : GFC_ISYM_POPCNT,
650 : GFC_ISYM_POPPAR,
651 : GFC_ISYM_PRECISION,
652 : GFC_ISYM_PRESENT,
653 : GFC_ISYM_PRODUCT,
654 : GFC_ISYM_RADIX,
655 : GFC_ISYM_RAND,
656 : GFC_ISYM_RANDOM_INIT,
657 : GFC_ISYM_RANDOM_NUMBER,
658 : GFC_ISYM_RANDOM_SEED,
659 : GFC_ISYM_RANGE,
660 : GFC_ISYM_RANK,
661 : GFC_ISYM_REAL,
662 : GFC_ISYM_REALPART,
663 : GFC_ISYM_REDUCE,
664 : GFC_ISYM_RENAME,
665 : GFC_ISYM_REPEAT,
666 : GFC_ISYM_RESHAPE,
667 : GFC_ISYM_RRSPACING,
668 : GFC_ISYM_RSHIFT,
669 : GFC_ISYM_SAME_TYPE_AS,
670 : GFC_ISYM_SC_KIND,
671 : GFC_ISYM_SCALE,
672 : GFC_ISYM_SCAN,
673 : GFC_ISYM_SECNDS,
674 : GFC_ISYM_SECOND,
675 : GFC_ISYM_SET_EXPONENT,
676 : GFC_ISYM_SHAPE,
677 : GFC_ISYM_SHIFTA,
678 : GFC_ISYM_SHIFTL,
679 : GFC_ISYM_SHIFTR,
680 : GFC_ISYM_BACKTRACE,
681 : GFC_ISYM_SIGN,
682 : GFC_ISYM_SIGNAL,
683 : GFC_ISYM_SI_KIND,
684 : GFC_ISYM_SIN,
685 : GFC_ISYM_SIND,
686 : GFC_ISYM_SINH,
687 : GFC_ISYM_SIZE,
688 : GFC_ISYM_SL_KIND,
689 : GFC_ISYM_SLEEP,
690 : GFC_ISYM_SIZEOF,
691 : GFC_ISYM_SNGL,
692 : GFC_ISYM_SPACING,
693 : GFC_ISYM_SPREAD,
694 : GFC_ISYM_SQRT,
695 : GFC_ISYM_SRAND,
696 : GFC_ISYM_SR_KIND,
697 : GFC_ISYM_STAT,
698 : GFC_ISYM_STOPPED_IMAGES,
699 : GFC_ISYM_STORAGE_SIZE,
700 : GFC_ISYM_STRIDE,
701 : GFC_ISYM_SUM,
702 : GFC_ISYM_SYMLINK,
703 : GFC_ISYM_SYMLNK,
704 : GFC_ISYM_SYSTEM,
705 : GFC_ISYM_SYSTEM_CLOCK,
706 : GFC_ISYM_TAN,
707 : GFC_ISYM_TAND,
708 : GFC_ISYM_TANH,
709 : GFC_ISYM_TEAM_NUMBER,
710 : GFC_ISYM_THIS_IMAGE,
711 : GFC_ISYM_TIME,
712 : GFC_ISYM_TIME8,
713 : GFC_ISYM_TINY,
714 : GFC_ISYM_TRAILZ,
715 : GFC_ISYM_TRANSFER,
716 : GFC_ISYM_TRANSPOSE,
717 : GFC_ISYM_TRIM,
718 : GFC_ISYM_TTYNAM,
719 : GFC_ISYM_UBOUND,
720 : GFC_ISYM_UCOBOUND,
721 : GFC_ISYM_UMASK,
722 : GFC_ISYM_UMASKL,
723 : GFC_ISYM_UMASKR,
724 : GFC_ISYM_UNLINK,
725 : GFC_ISYM_UNPACK,
726 : GFC_ISYM_VERIFY,
727 : GFC_ISYM_XOR,
728 : GFC_ISYM_Y0,
729 : GFC_ISYM_Y1,
730 : GFC_ISYM_YN,
731 : GFC_ISYM_YN2,
732 :
733 : /* Add this at the end, so maybe the module format
734 : remains compatible. */
735 : GFC_ISYM_SU_KIND,
736 : GFC_ISYM_UINT,
737 :
738 : GFC_ISYM_ACOSPI,
739 : GFC_ISYM_ASINPI,
740 : GFC_ISYM_ATANPI,
741 : GFC_ISYM_ATAN2PI,
742 : GFC_ISYM_COSPI,
743 : GFC_ISYM_SINPI,
744 : GFC_ISYM_TANPI,
745 :
746 : GFC_ISYM_SPLIT,
747 : };
748 :
749 : enum init_local_logical
750 : {
751 : GFC_INIT_LOGICAL_OFF = 0,
752 : GFC_INIT_LOGICAL_FALSE,
753 : GFC_INIT_LOGICAL_TRUE
754 : };
755 :
756 : enum init_local_character
757 : {
758 : GFC_INIT_CHARACTER_OFF = 0,
759 : GFC_INIT_CHARACTER_ON
760 : };
761 :
762 : enum init_local_integer
763 : {
764 : GFC_INIT_INTEGER_OFF = 0,
765 : GFC_INIT_INTEGER_ON
766 : };
767 :
768 : enum gfc_reverse
769 : {
770 : GFC_ENABLE_REVERSE,
771 : GFC_FORWARD_SET,
772 : GFC_REVERSE_SET,
773 : GFC_INHIBIT_REVERSE
774 : };
775 :
776 : enum gfc_param_spec_type
777 : {
778 : SPEC_EXPLICIT,
779 : SPEC_ASSUMED,
780 : SPEC_DEFERRED
781 : };
782 :
783 : /************************* Structures *****************************/
784 :
785 : /* Used for keeping things in balanced binary trees. */
786 : #define BBT_HEADER(self) int priority; struct self *left, *right
787 :
788 : #define NAMED_INTCST(a,b,c,d) a,
789 : #define NAMED_UINTCST(a,b,c,d) a,
790 : #define NAMED_KINDARRAY(a,b,c,d) a,
791 : #define NAMED_FUNCTION(a,b,c,d) a,
792 : #define NAMED_SUBROUTINE(a,b,c,d) a,
793 : #define NAMED_DERIVED_TYPE(a,b,c,d) a,
794 : enum iso_fortran_env_symbol
795 : {
796 : ISOFORTRANENV_INVALID = -1,
797 : #include "iso-fortran-env.def"
798 : ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
799 : };
800 : #undef NAMED_INTCST
801 : #undef NANED_UINTCST
802 : #undef NAMED_KINDARRAY
803 : #undef NAMED_FUNCTION
804 : #undef NAMED_SUBROUTINE
805 : #undef NAMED_DERIVED_TYPE
806 :
807 : #define NAMED_INTCST(a,b,c,d) a,
808 : #define NAMED_REALCST(a,b,c,d) a,
809 : #define NAMED_CMPXCST(a,b,c,d) a,
810 : #define NAMED_LOGCST(a,b,c) a,
811 : #define NAMED_CHARKNDCST(a,b,c) a,
812 : #define NAMED_CHARCST(a,b,c) a,
813 : #define DERIVED_TYPE(a,b,c) a,
814 : #define NAMED_FUNCTION(a,b,c,d) a,
815 : #define NAMED_SUBROUTINE(a,b,c,d) a,
816 : #define NAMED_UINTCST(a,b,c,d) a,
817 : enum iso_c_binding_symbol
818 : {
819 : ISOCBINDING_INVALID = -1,
820 : #include "iso-c-binding.def"
821 : ISOCBINDING_LAST,
822 : ISOCBINDING_NUMBER = ISOCBINDING_LAST
823 : };
824 : #undef NAMED_INTCST
825 : #undef NAMED_REALCST
826 : #undef NAMED_CMPXCST
827 : #undef NAMED_LOGCST
828 : #undef NAMED_CHARKNDCST
829 : #undef NAMED_CHARCST
830 : #undef DERIVED_TYPE
831 : #undef NAMED_FUNCTION
832 : #undef NAMED_SUBROUTINE
833 : #undef NAMED_UINTCST
834 :
835 : enum intmod_id
836 : {
837 : INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING,
838 : INTMOD_IEEE_FEATURES, INTMOD_IEEE_EXCEPTIONS, INTMOD_IEEE_ARITHMETIC
839 : };
840 :
841 : typedef struct
842 : {
843 : char name[GFC_MAX_SYMBOL_LEN + 1];
844 : int value; /* Used for both integer and character values. */
845 : bt f90_type;
846 : }
847 : CInteropKind_t;
848 :
849 : /* Array of structs, where the structs represent the C interop kinds.
850 : The list will be implemented based on a hash of the kind name since
851 : these could be accessed multiple times.
852 : Declared in trans-types.cc as a global, since it's in that file
853 : that the list is initialized. */
854 : extern CInteropKind_t c_interop_kinds_table[];
855 :
856 : enum gfc_omp_device_type
857 : {
858 : OMP_DEVICE_TYPE_UNSET,
859 : OMP_DEVICE_TYPE_HOST,
860 : OMP_DEVICE_TYPE_NOHOST,
861 : OMP_DEVICE_TYPE_ANY
862 : };
863 :
864 : enum gfc_omp_severity_type
865 : {
866 : OMP_SEVERITY_UNSET,
867 : OMP_SEVERITY_WARNING,
868 : OMP_SEVERITY_FATAL
869 : };
870 :
871 : enum gfc_omp_at_type
872 : {
873 : OMP_AT_UNSET,
874 : OMP_AT_COMPILATION,
875 : OMP_AT_EXECUTION
876 : };
877 :
878 : /* Structure and list of supported extension attributes. */
879 : typedef enum
880 : {
881 : EXT_ATTR_DLLIMPORT = 0,
882 : EXT_ATTR_DLLEXPORT,
883 : EXT_ATTR_STDCALL,
884 : EXT_ATTR_CDECL,
885 : EXT_ATTR_FASTCALL,
886 : EXT_ATTR_NO_ARG_CHECK,
887 : EXT_ATTR_DEPRECATED,
888 : EXT_ATTR_NOINLINE,
889 : EXT_ATTR_NORETURN,
890 : EXT_ATTR_WEAK,
891 : EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST
892 : }
893 : ext_attr_id_t;
894 :
895 : typedef struct
896 : {
897 : const char *name;
898 : unsigned id;
899 : const char *middle_end_name;
900 : }
901 : ext_attr_t;
902 :
903 : extern const ext_attr_t ext_attr_list[];
904 :
905 : /* Symbol attribute structure. */
906 : typedef struct
907 : {
908 : /* Variable attributes. */
909 : unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1,
910 : optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1,
911 : dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
912 : implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1,
913 : contiguous:1, fe_temp: 1, automatic: 1;
914 :
915 : /* For CLASS containers, the pointer attribute is sometimes set internally
916 : even though it was not directly specified. In this case, keep the
917 : "real" (original) value here. */
918 : unsigned class_pointer:1;
919 :
920 : ENUM_BITFIELD (save_state) save:2;
921 :
922 : unsigned data:1, /* Symbol is named in a DATA statement. */
923 : is_protected:1, /* Symbol has been marked as protected. */
924 : use_assoc:1, /* Symbol has been use-associated. */
925 : used_in_submodule:1, /* Symbol has been use-associated in a
926 : submodule. Needed since these entities must
927 : be set host associated to be compliant. */
928 : use_only:1, /* Symbol has been use-associated, with ONLY. */
929 : use_rename:1, /* Symbol has been use-associated and renamed. */
930 : imported:1, /* Symbol has been associated by IMPORT. */
931 : host_assoc:1; /* Symbol has been host associated. */
932 :
933 : unsigned in_namelist:1, in_common:1, in_equivalence:1;
934 : unsigned function:1, subroutine:1, procedure:1;
935 : unsigned generic:1, generic_copy:1;
936 : unsigned implicit_type:1; /* Type defined via implicit rules. */
937 : unsigned untyped:1; /* No implicit type could be found. */
938 :
939 : unsigned is_bind_c:1; /* say if is bound to C. */
940 : unsigned extension:8; /* extension level of a derived type. */
941 : unsigned is_class:1; /* is a CLASS container. */
942 : unsigned class_ok:1; /* is a CLASS object with correct attributes. */
943 : unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */
944 : unsigned vtype:1; /* is a derived type of a vtab. */
945 :
946 : /* These flags are both in the typespec and attribute. The attribute
947 : list is what gets read from/written to a module file. The typespec
948 : is created from a decl being processed. */
949 : unsigned is_c_interop:1; /* It's c interoperable. */
950 : unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
951 :
952 : /* Function/subroutine attributes */
953 : unsigned sequence:1, elemental:1, pure:1, recursive:1;
954 : unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
955 :
956 : /* Set if this is a module function or subroutine. Note that it is an
957 : attribute because it appears as a prefix in the declaration like
958 : PURE, etc.. */
959 : unsigned module_procedure:1;
960 :
961 : /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
962 : which is relevant for private module procedures. */
963 : unsigned public_used:1;
964 :
965 : /* This is set if a contained procedure could be declared pure. This is
966 : used for certain optimizations that require the result or arguments
967 : cannot alias. Note that this is zero for PURE procedures. */
968 : unsigned implicit_pure:1;
969 :
970 : /* This is set for a procedure that contains expressions referencing
971 : arrays coming from outside its namespace.
972 : This is used to force the creation of a temporary when the LHS of
973 : an array assignment may be used by an elemental procedure appearing
974 : on the RHS. */
975 : unsigned array_outer_dependency:1;
976 :
977 : /* This is set if the subroutine doesn't return. Currently, this
978 : is only possible for intrinsic subroutines. */
979 : unsigned noreturn:1;
980 :
981 : /* Set if this procedure is an alternate entry point. These procedures
982 : don't have any code associated, and the backend will turn them into
983 : thunks to the master function. */
984 : unsigned entry:1;
985 :
986 : /* Set if this is the master function for a procedure with multiple
987 : entry points. */
988 : unsigned entry_master:1;
989 :
990 : /* Set if this is the master function for a function with multiple
991 : entry points where characteristics of the entry points differ. */
992 : unsigned mixed_entry_master:1;
993 :
994 : /* Set if a function must always be referenced by an explicit interface. */
995 : unsigned always_explicit:1;
996 :
997 : /* Set if the symbol is generated and, hence, standard violations
998 : shouldn't be flaged. */
999 : unsigned artificial:1;
1000 :
1001 : /* Set if the symbol has been referenced in an expression. No further
1002 : modification of type or type parameters is permitted. */
1003 : unsigned referenced:1;
1004 :
1005 : /* Set if this is the symbol for the main program. */
1006 : unsigned is_main_program:1;
1007 :
1008 : /* Mutually exclusive multibit attributes. */
1009 : ENUM_BITFIELD (gfc_access) access:2;
1010 : ENUM_BITFIELD (sym_intent) intent:2;
1011 : ENUM_BITFIELD (sym_flavor) flavor:4;
1012 : ENUM_BITFIELD (ifsrc) if_source:2;
1013 :
1014 : ENUM_BITFIELD (procedure_type) proc:3;
1015 :
1016 : /* Special attributes for Cray pointers, pointees. */
1017 : unsigned cray_pointer:1, cray_pointee:1;
1018 :
1019 : /* The symbol is a derived type with allocatable components, pointer
1020 : components or private components, procedure pointer components,
1021 : possibly nested. zero_comp is true if the derived type has no
1022 : component at all. defined_assign_comp is true if the derived
1023 : type or a (sub-)component has a typebound defined assignment.
1024 : unlimited_polymorphic flags the type of the container for these
1025 : entities. */
1026 : unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1,
1027 : private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1,
1028 : event_comp:1, defined_assign_comp:1, unlimited_polymorphic:1,
1029 : has_dtio_procs:1, caf_token:1;
1030 :
1031 : /* This is a temporary selector for SELECT TYPE/RANK or an associate
1032 : variable for SELECT TYPE/RANK or ASSOCIATE. */
1033 : unsigned select_type_temporary:1, select_rank_temporary:1, associate_var:1;
1034 :
1035 : /* These are the attributes required for parameterized derived
1036 : types. */
1037 : unsigned pdt_kind:1, pdt_len:1, pdt_type:1, pdt_template:1,
1038 : pdt_array:1, pdt_string:1, pdt_comp:1;
1039 :
1040 : /* This is omp_{out,in,priv,orig} artificial variable in
1041 : !$OMP DECLARE REDUCTION. */
1042 : unsigned omp_udr_artificial_var:1;
1043 :
1044 : /* Mentioned in OMP DECLARE TARGET. */
1045 : unsigned omp_declare_target:1;
1046 : unsigned omp_declare_target_link:1;
1047 : unsigned omp_declare_target_local:1;
1048 : unsigned omp_declare_target_indirect:1;
1049 : ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2;
1050 : unsigned omp_groupprivate:1;
1051 : unsigned omp_allocate:1;
1052 :
1053 : /* Mentioned in OACC DECLARE. */
1054 : unsigned oacc_declare_create:1;
1055 : unsigned oacc_declare_copyin:1;
1056 : unsigned oacc_declare_deviceptr:1;
1057 : unsigned oacc_declare_device_resident:1;
1058 : unsigned oacc_declare_link:1;
1059 :
1060 : /* OpenACC 'routine' directive's level of parallelism. */
1061 : ENUM_BITFIELD (oacc_routine_lop) oacc_routine_lop:3;
1062 : unsigned oacc_routine_nohost:1;
1063 :
1064 : /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
1065 : unsigned ext_attr:EXT_ATTR_NUM;
1066 :
1067 : /* The namespace where the attribute has been set. */
1068 : struct gfc_namespace *volatile_ns, *asynchronous_ns;
1069 : }
1070 : symbol_attribute;
1071 :
1072 :
1073 : /* We need to store source lines as sequences of multibyte source
1074 : characters. We define here a type wide enough to hold any multibyte
1075 : source character, just like libcpp does. A 32-bit type is enough. */
1076 :
1077 : #if HOST_BITS_PER_INT >= 32
1078 : typedef unsigned int gfc_char_t;
1079 : #elif HOST_BITS_PER_LONG >= 32
1080 : typedef unsigned long gfc_char_t;
1081 : #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
1082 : typedef unsigned long long gfc_char_t;
1083 : #else
1084 : # error "Cannot find an integer type with at least 32 bits"
1085 : #endif
1086 :
1087 :
1088 : /* The following three structures are used to identify a location in
1089 : the sources.
1090 :
1091 : gfc_file is used to maintain a tree of the source files and how
1092 : they include each other
1093 :
1094 : gfc_linebuf holds a single line of source code and information
1095 : which file it resides in
1096 :
1097 : locus point to the sourceline and the character in the source
1098 : line.
1099 : */
1100 :
1101 : typedef struct gfc_file
1102 : {
1103 : struct gfc_file *next, *up;
1104 : int inclusion_line, line;
1105 : char *filename;
1106 : } gfc_file;
1107 :
1108 : typedef struct gfc_linebuf
1109 : {
1110 : location_t location;
1111 : struct gfc_file *file;
1112 : struct gfc_linebuf *next;
1113 :
1114 : int truncated;
1115 : bool dbg_emitted;
1116 :
1117 : gfc_char_t line[1];
1118 : } gfc_linebuf;
1119 :
1120 : #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
1121 :
1122 : #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
1123 :
1124 : /* If nextc = (gfc_char_t*) -1, 'location' is used. */
1125 : typedef struct
1126 : {
1127 : gfc_char_t *nextc;
1128 : union
1129 : {
1130 : gfc_linebuf *lb;
1131 : location_t location;
1132 : } u;
1133 : } locus;
1134 :
1135 : #define GFC_LOCUS_IS_SET(loc) \
1136 : ((loc).nextc == (gfc_char_t *) -1 || (loc).u.lb != NULL)
1137 :
1138 : /* In order for the "gfc" format checking to work correctly, you must
1139 : have declared a typedef locus first. */
1140 : #if GCC_VERSION >= 4001
1141 : #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
1142 : #else
1143 : #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
1144 : #endif
1145 :
1146 :
1147 : /* Suppress error messages or re-enable them. */
1148 :
1149 : void gfc_push_suppress_errors (void);
1150 : void gfc_pop_suppress_errors (void);
1151 : bool gfc_query_suppress_errors (void);
1152 :
1153 :
1154 : /* Character length structures hold the expression that gives the
1155 : length of a character variable. We avoid putting these into
1156 : gfc_typespec because doing so prevents us from doing structure
1157 : copies and forces us to deallocate any typespecs we create, as well
1158 : as structures that contain typespecs. They also can have multiple
1159 : character typespecs pointing to them.
1160 :
1161 : These structures form a singly linked list within the current
1162 : namespace and are deallocated with the namespace. It is possible to
1163 : end up with gfc_charlen structures that have nothing pointing to them. */
1164 :
1165 : typedef struct gfc_charlen
1166 : {
1167 : struct gfc_expr *length;
1168 : struct gfc_charlen *next;
1169 : bool length_from_typespec; /* Length from explicit array ctor typespec? */
1170 : tree backend_decl;
1171 : tree passed_length; /* Length argument explicitly passed. */
1172 :
1173 : int resolved;
1174 : }
1175 : gfc_charlen;
1176 :
1177 : #define gfc_get_charlen() XCNEW (gfc_charlen)
1178 :
1179 : /* Type specification structure. */
1180 : typedef struct
1181 : {
1182 : bt type;
1183 : int kind;
1184 :
1185 : union
1186 : {
1187 : struct gfc_symbol *derived; /* For derived types only. */
1188 : gfc_charlen *cl; /* For character types only. */
1189 : int pad; /* For hollerith types only. */
1190 : }
1191 : u;
1192 :
1193 : struct gfc_symbol *interface; /* For PROCEDURE declarations. */
1194 : int is_c_interop;
1195 : int is_iso_c;
1196 : bt f90_type;
1197 : bool deferred;
1198 : gfc_symbol *interop_kind;
1199 : }
1200 : gfc_typespec;
1201 :
1202 : /* Array specification. */
1203 : typedef struct
1204 : {
1205 : int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1206 : int corank;
1207 : array_type type, cotype;
1208 : struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
1209 :
1210 : /* These two fields are used with the Cray Pointer extension. */
1211 : bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
1212 : bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
1213 : AS_EXPLICIT, but we want to remember that we
1214 : did this. */
1215 :
1216 : bool resolved;
1217 : }
1218 : gfc_array_spec;
1219 :
1220 : #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1221 :
1222 :
1223 : /* Components of derived types. */
1224 : typedef struct gfc_component
1225 : {
1226 : const char *name;
1227 : gfc_typespec ts;
1228 :
1229 : symbol_attribute attr;
1230 : gfc_array_spec *as;
1231 :
1232 : tree backend_decl;
1233 : /* Used to cache a FIELD_DECL matching this same component
1234 : but applied to a different backend containing type that was
1235 : generated by gfc_nonrestricted_type. */
1236 : tree norestrict_decl;
1237 : locus loc;
1238 : struct gfc_expr *initializer;
1239 : /* Used in parameterized derived type declarations to store parameterized
1240 : kind expressions. */
1241 : struct gfc_expr *kind_expr;
1242 : struct gfc_actual_arglist *param_list;
1243 :
1244 : struct gfc_component *next;
1245 :
1246 : /* Needed for procedure pointer components. */
1247 : struct gfc_typebound_proc *tb;
1248 : /* When allocatable/pointer and in a coarray the associated token. */
1249 : struct gfc_component *caf_token;
1250 : }
1251 : gfc_component;
1252 :
1253 : #define gfc_get_component() XCNEW (gfc_component)
1254 : #define gfc_comp_caf_token(cm) (cm)->caf_token->backend_decl
1255 :
1256 : /* Formal argument lists are lists of symbols. */
1257 : typedef struct gfc_formal_arglist
1258 : {
1259 : /* Symbol representing the argument at this position in the arglist. */
1260 : struct gfc_symbol *sym;
1261 : /* Points to the next formal argument. */
1262 : struct gfc_formal_arglist *next;
1263 : }
1264 : gfc_formal_arglist;
1265 :
1266 : #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1267 :
1268 :
1269 : struct gfc_dummy_arg;
1270 :
1271 :
1272 : /* The gfc_actual_arglist structure is for actual arguments and
1273 : for type parameter specification lists. */
1274 : typedef struct gfc_actual_arglist
1275 : {
1276 : const char *name;
1277 : /* Alternate return label when the expr member is null. */
1278 : struct gfc_st_label *label;
1279 :
1280 : gfc_param_spec_type spec_type;
1281 :
1282 : struct gfc_expr *expr;
1283 :
1284 : /* The dummy arg this actual arg is associated with, if the interface
1285 : is explicit. NULL otherwise. */
1286 : gfc_dummy_arg *associated_dummy;
1287 :
1288 : struct gfc_actual_arglist *next;
1289 : }
1290 : gfc_actual_arglist;
1291 :
1292 : #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1293 :
1294 :
1295 : /* Because a symbol can belong to multiple namelists, they must be
1296 : linked externally to the symbol itself. */
1297 : typedef struct gfc_namelist
1298 : {
1299 : struct gfc_symbol *sym;
1300 : struct gfc_namelist *next;
1301 : }
1302 : gfc_namelist;
1303 :
1304 : #define gfc_get_namelist() XCNEW (gfc_namelist)
1305 :
1306 : /* Likewise to gfc_namelist, but contains expressions. */
1307 : typedef struct gfc_expr_list
1308 : {
1309 : struct gfc_expr *expr;
1310 : struct gfc_expr_list *next;
1311 : }
1312 : gfc_expr_list;
1313 :
1314 : #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1315 :
1316 : enum gfc_omp_reduction_op
1317 : {
1318 : OMP_REDUCTION_NONE = -1,
1319 : OMP_REDUCTION_PLUS = INTRINSIC_PLUS,
1320 : OMP_REDUCTION_MINUS = INTRINSIC_MINUS,
1321 : OMP_REDUCTION_TIMES = INTRINSIC_TIMES,
1322 : OMP_REDUCTION_AND = INTRINSIC_AND,
1323 : OMP_REDUCTION_OR = INTRINSIC_OR,
1324 : OMP_REDUCTION_EQV = INTRINSIC_EQV,
1325 : OMP_REDUCTION_NEQV = INTRINSIC_NEQV,
1326 : OMP_REDUCTION_MAX = GFC_INTRINSIC_END,
1327 : OMP_REDUCTION_MIN,
1328 : OMP_REDUCTION_IAND,
1329 : OMP_REDUCTION_IOR,
1330 : OMP_REDUCTION_IEOR,
1331 : OMP_REDUCTION_USER
1332 : };
1333 :
1334 : enum gfc_omp_depend_doacross_op
1335 : {
1336 : OMP_DEPEND_UNSET,
1337 : OMP_DEPEND_IN,
1338 : OMP_DEPEND_OUT,
1339 : OMP_DEPEND_INOUT,
1340 : OMP_DEPEND_INOUTSET,
1341 : OMP_DEPEND_MUTEXINOUTSET,
1342 : OMP_DEPEND_DEPOBJ,
1343 : OMP_DEPEND_SINK_FIRST,
1344 : OMP_DOACROSS_SINK_FIRST,
1345 : OMP_DOACROSS_SINK
1346 : };
1347 :
1348 : enum gfc_omp_map_op
1349 : {
1350 : OMP_MAP_ALLOC,
1351 : OMP_MAP_IF_PRESENT,
1352 : OMP_MAP_ATTACH,
1353 : OMP_MAP_TO,
1354 : OMP_MAP_FROM,
1355 : OMP_MAP_TOFROM,
1356 : OMP_MAP_DELETE,
1357 : OMP_MAP_DETACH,
1358 : OMP_MAP_FORCE_ALLOC,
1359 : OMP_MAP_FORCE_TO,
1360 : OMP_MAP_FORCE_FROM,
1361 : OMP_MAP_FORCE_TOFROM,
1362 : OMP_MAP_FORCE_PRESENT,
1363 : OMP_MAP_FORCE_DEVICEPTR,
1364 : OMP_MAP_DEVICE_RESIDENT,
1365 : OMP_MAP_LINK,
1366 : OMP_MAP_RELEASE,
1367 : OMP_MAP_ALWAYS_TO,
1368 : OMP_MAP_ALWAYS_FROM,
1369 : OMP_MAP_ALWAYS_TOFROM,
1370 : OMP_MAP_PRESENT_ALLOC,
1371 : OMP_MAP_PRESENT_TO,
1372 : OMP_MAP_PRESENT_FROM,
1373 : OMP_MAP_PRESENT_TOFROM,
1374 : OMP_MAP_ALWAYS_PRESENT_TO,
1375 : OMP_MAP_ALWAYS_PRESENT_FROM,
1376 : OMP_MAP_ALWAYS_PRESENT_TOFROM
1377 : };
1378 :
1379 : enum gfc_omp_defaultmap
1380 : {
1381 : OMP_DEFAULTMAP_UNSET,
1382 : OMP_DEFAULTMAP_ALLOC,
1383 : OMP_DEFAULTMAP_TO,
1384 : OMP_DEFAULTMAP_FROM,
1385 : OMP_DEFAULTMAP_TOFROM,
1386 : OMP_DEFAULTMAP_FIRSTPRIVATE,
1387 : OMP_DEFAULTMAP_NONE,
1388 : OMP_DEFAULTMAP_DEFAULT,
1389 : OMP_DEFAULTMAP_PRESENT
1390 : };
1391 :
1392 : enum gfc_omp_defaultmap_category
1393 : {
1394 : OMP_DEFAULTMAP_CAT_UNCATEGORIZED,
1395 : OMP_DEFAULTMAP_CAT_ALL,
1396 : OMP_DEFAULTMAP_CAT_SCALAR,
1397 : OMP_DEFAULTMAP_CAT_AGGREGATE,
1398 : OMP_DEFAULTMAP_CAT_ALLOCATABLE,
1399 : OMP_DEFAULTMAP_CAT_POINTER,
1400 : OMP_DEFAULTMAP_CAT_NUM
1401 : };
1402 :
1403 : enum gfc_omp_linear_op
1404 : {
1405 : OMP_LINEAR_DEFAULT,
1406 : OMP_LINEAR_REF,
1407 : OMP_LINEAR_VAL,
1408 : OMP_LINEAR_UVAL
1409 : };
1410 :
1411 : /* For use in OpenMP clauses in case we need extra information
1412 : (aligned clause alignment, linear clause step, etc.). */
1413 :
1414 : typedef struct gfc_omp_namelist
1415 : {
1416 : struct gfc_symbol *sym;
1417 : struct gfc_expr *expr;
1418 : union
1419 : {
1420 : gfc_omp_reduction_op reduction_op;
1421 : gfc_omp_depend_doacross_op depend_doacross_op;
1422 : struct
1423 : {
1424 : ENUM_BITFIELD (gfc_omp_map_op) op:8;
1425 : bool readonly;
1426 : } map;
1427 : gfc_expr *align;
1428 : struct
1429 : {
1430 : ENUM_BITFIELD (gfc_omp_linear_op) op:4;
1431 : bool old_modifier;
1432 : } linear;
1433 : struct gfc_common_head *common;
1434 : struct gfc_symbol *memspace_sym;
1435 : bool lastprivate_conditional;
1436 : bool present_modifier;
1437 : struct
1438 : {
1439 : int len;
1440 : bool target;
1441 : bool targetsync;
1442 : } init;
1443 : struct
1444 : {
1445 : bool need_ptr:1;
1446 : bool need_addr:1;
1447 : bool range_start:1;
1448 : bool omp_num_args_plus:1;
1449 : bool omp_num_args_minus:1;
1450 : bool error_p:1;
1451 : } adj_args;
1452 : } u;
1453 : union
1454 : {
1455 : struct gfc_omp_namelist_udr *udr;
1456 : gfc_namespace *ns;
1457 : gfc_expr *allocator;
1458 : struct gfc_symbol *traits_sym;
1459 : struct gfc_omp_namelist *duplicate_of;
1460 : char *init_interop;
1461 : } u2;
1462 : struct gfc_omp_namelist *next;
1463 : locus where;
1464 : }
1465 : gfc_omp_namelist;
1466 :
1467 : #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1468 :
1469 : enum gfc_omp_list_type
1470 : {
1471 : OMP_LIST_FIRST,
1472 : OMP_LIST_PRIVATE = OMP_LIST_FIRST,
1473 : OMP_LIST_FIRSTPRIVATE,
1474 : OMP_LIST_LASTPRIVATE,
1475 : OMP_LIST_COPYPRIVATE,
1476 : OMP_LIST_SHARED,
1477 : OMP_LIST_COPYIN,
1478 : OMP_LIST_UNIFORM,
1479 : OMP_LIST_AFFINITY,
1480 : OMP_LIST_ALIGNED,
1481 : OMP_LIST_LINEAR,
1482 : OMP_LIST_DEPEND,
1483 : OMP_LIST_MAP,
1484 : OMP_LIST_TO,
1485 : OMP_LIST_FROM,
1486 : OMP_LIST_SCAN_IN,
1487 : OMP_LIST_SCAN_EX,
1488 : OMP_LIST_REDUCTION,
1489 : OMP_LIST_REDUCTION_INSCAN,
1490 : OMP_LIST_REDUCTION_TASK,
1491 : OMP_LIST_IN_REDUCTION,
1492 : OMP_LIST_TASK_REDUCTION,
1493 : OMP_LIST_DEVICE_RESIDENT,
1494 : OMP_LIST_LINK,
1495 : OMP_LIST_LOCAL,
1496 : OMP_LIST_USE_DEVICE,
1497 : OMP_LIST_CACHE,
1498 : OMP_LIST_IS_DEVICE_PTR,
1499 : OMP_LIST_USE_DEVICE_PTR,
1500 : OMP_LIST_USE_DEVICE_ADDR,
1501 : OMP_LIST_NONTEMPORAL,
1502 : OMP_LIST_ALLOCATE,
1503 : OMP_LIST_HAS_DEVICE_ADDR,
1504 : OMP_LIST_ENTER,
1505 : OMP_LIST_USES_ALLOCATORS,
1506 : OMP_LIST_INIT,
1507 : OMP_LIST_USE,
1508 : OMP_LIST_DESTROY,
1509 : OMP_LIST_INTEROP,
1510 : OMP_LIST_ADJUST_ARGS,
1511 : OMP_LIST_NUM, /* Must be the last (together with OMP_LIST_NONE). */
1512 : OMP_LIST_NONE = OMP_LIST_NUM
1513 : };
1514 :
1515 : /* Because a symbol can belong to multiple namelists, they must be
1516 : linked externally to the symbol itself. */
1517 :
1518 : enum gfc_omp_sched_kind
1519 : {
1520 : OMP_SCHED_NONE,
1521 : OMP_SCHED_STATIC,
1522 : OMP_SCHED_DYNAMIC,
1523 : OMP_SCHED_GUIDED,
1524 : OMP_SCHED_RUNTIME,
1525 : OMP_SCHED_AUTO
1526 : };
1527 :
1528 : enum gfc_omp_default_sharing
1529 : {
1530 : OMP_DEFAULT_UNKNOWN,
1531 : OMP_DEFAULT_NONE,
1532 : OMP_DEFAULT_PRIVATE,
1533 : OMP_DEFAULT_SHARED,
1534 : OMP_DEFAULT_FIRSTPRIVATE,
1535 : OMP_DEFAULT_PRESENT
1536 : };
1537 :
1538 : enum gfc_omp_proc_bind_kind
1539 : {
1540 : OMP_PROC_BIND_UNKNOWN,
1541 : OMP_PROC_BIND_PRIMARY,
1542 : OMP_PROC_BIND_MASTER,
1543 : OMP_PROC_BIND_SPREAD,
1544 : OMP_PROC_BIND_CLOSE
1545 : };
1546 :
1547 : enum gfc_omp_cancel_kind
1548 : {
1549 : OMP_CANCEL_UNKNOWN,
1550 : OMP_CANCEL_PARALLEL,
1551 : OMP_CANCEL_SECTIONS,
1552 : OMP_CANCEL_DO,
1553 : OMP_CANCEL_TASKGROUP
1554 : };
1555 :
1556 : enum gfc_omp_if_kind
1557 : {
1558 : OMP_IF_CANCEL,
1559 : OMP_IF_PARALLEL,
1560 : OMP_IF_SIMD,
1561 : OMP_IF_TASK,
1562 : OMP_IF_TASKLOOP,
1563 : OMP_IF_TARGET,
1564 : OMP_IF_TARGET_DATA,
1565 : OMP_IF_TARGET_UPDATE,
1566 : OMP_IF_TARGET_ENTER_DATA,
1567 : OMP_IF_TARGET_EXIT_DATA,
1568 : OMP_IF_LAST
1569 : };
1570 :
1571 : enum gfc_omp_atomic_op
1572 : {
1573 : GFC_OMP_ATOMIC_UNSET = 0,
1574 : GFC_OMP_ATOMIC_UPDATE = 1,
1575 : GFC_OMP_ATOMIC_READ = 2,
1576 : GFC_OMP_ATOMIC_WRITE = 3,
1577 : GFC_OMP_ATOMIC_MASK = 3,
1578 : GFC_OMP_ATOMIC_SWAP = 16
1579 : };
1580 :
1581 : enum gfc_omp_requires_kind
1582 : {
1583 : /* Keep gfc_namespace's omp_requires bitfield size in sync. */
1584 : OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST = 1, /* 001 */
1585 : OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL = 2, /* 010 */
1586 : OMP_REQ_ATOMIC_MEM_ORDER_RELAXED = 3, /* 011 */
1587 : OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE = 4, /* 100 */
1588 : OMP_REQ_ATOMIC_MEM_ORDER_RELEASE = 5, /* 101 */
1589 : OMP_REQ_REVERSE_OFFLOAD = (1 << 3),
1590 : OMP_REQ_UNIFIED_ADDRESS = (1 << 4),
1591 : OMP_REQ_UNIFIED_SHARED_MEMORY = (1 << 5),
1592 : OMP_REQ_SELF_MAPS = (1 << 6),
1593 : OMP_REQ_DYNAMIC_ALLOCATORS = (1 << 7),
1594 : OMP_REQ_TARGET_MASK = (OMP_REQ_REVERSE_OFFLOAD
1595 : | OMP_REQ_UNIFIED_ADDRESS
1596 : | OMP_REQ_UNIFIED_SHARED_MEMORY
1597 : | OMP_REQ_SELF_MAPS),
1598 : OMP_REQ_ATOMIC_MEM_ORDER_MASK = (OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST
1599 : | OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL
1600 : | OMP_REQ_ATOMIC_MEM_ORDER_RELAXED
1601 : | OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE
1602 : | OMP_REQ_ATOMIC_MEM_ORDER_RELEASE)
1603 : };
1604 :
1605 : enum gfc_omp_memorder
1606 : {
1607 : OMP_MEMORDER_UNSET,
1608 : OMP_MEMORDER_SEQ_CST,
1609 : OMP_MEMORDER_ACQ_REL,
1610 : OMP_MEMORDER_RELEASE,
1611 : OMP_MEMORDER_ACQUIRE,
1612 : OMP_MEMORDER_RELAXED
1613 : };
1614 :
1615 : enum gfc_omp_bind_type
1616 : {
1617 : OMP_BIND_UNSET,
1618 : OMP_BIND_TEAMS,
1619 : OMP_BIND_PARALLEL,
1620 : OMP_BIND_THREAD
1621 : };
1622 :
1623 : enum gfc_omp_fallback
1624 : {
1625 : OMP_FALLBACK_NONE,
1626 : OMP_FALLBACK_ABORT,
1627 : OMP_FALLBACK_DEFAULT_MEM,
1628 : OMP_FALLBACK_NULL
1629 : };
1630 :
1631 : typedef struct gfc_omp_assumptions
1632 : {
1633 : int n_absent, n_contains;
1634 : enum gfc_statement *absent, *contains;
1635 : gfc_expr_list *holds;
1636 : bool no_openmp:1, no_openmp_routines:1, no_openmp_constructs:1;
1637 : bool no_parallelism:1;
1638 : }
1639 : gfc_omp_assumptions;
1640 :
1641 : #define gfc_get_omp_assumptions() XCNEW (gfc_omp_assumptions)
1642 :
1643 :
1644 : typedef struct gfc_omp_clauses
1645 : {
1646 : gfc_omp_namelist *lists[OMP_LIST_NUM];
1647 : struct gfc_expr *if_expr;
1648 : struct gfc_expr *if_exprs[OMP_IF_LAST];
1649 : struct gfc_expr *self_expr;
1650 : struct gfc_expr *final_expr;
1651 : struct gfc_expr *num_threads;
1652 : struct gfc_expr *chunk_size;
1653 : struct gfc_expr *safelen_expr;
1654 : struct gfc_expr *simdlen_expr;
1655 : struct gfc_expr *num_teams_lower;
1656 : struct gfc_expr *num_teams_upper;
1657 : struct gfc_expr *device;
1658 : struct gfc_expr *thread_limit;
1659 : struct gfc_expr *grainsize;
1660 : struct gfc_expr *filter;
1661 : struct gfc_expr *hint;
1662 : struct gfc_expr *num_tasks;
1663 : struct gfc_expr *priority;
1664 : struct gfc_expr *detach;
1665 : struct gfc_expr *depobj;
1666 : struct gfc_expr *dist_chunk_size;
1667 : struct gfc_expr *dyn_groupprivate;
1668 : struct gfc_expr *message;
1669 : struct gfc_expr *novariants;
1670 : struct gfc_expr *nocontext;
1671 : struct gfc_omp_assumptions *assume;
1672 : struct gfc_expr_list *sizes_list;
1673 : const char *critical_name;
1674 : enum gfc_omp_default_sharing default_sharing;
1675 : enum gfc_omp_atomic_op atomic_op;
1676 : enum gfc_omp_defaultmap defaultmap[OMP_DEFAULTMAP_CAT_NUM];
1677 : int collapse, orderedc;
1678 : int partial;
1679 : unsigned nowait:1, ordered:1, untied:1, mergeable:1, ancestor:1;
1680 : unsigned inbranch:1, notinbranch:1, nogroup:1;
1681 : unsigned sched_simd:1, sched_monotonic:1, sched_nonmonotonic:1;
1682 : unsigned simd:1, threads:1, doacross_source:1, depend_source:1, destroy:1;
1683 : unsigned order_unconstrained:1, order_reproducible:1, capture:1;
1684 : unsigned grainsize_strict:1, num_tasks_strict:1, compare:1, weak:1;
1685 : unsigned non_rectangular:1, order_concurrent:1;
1686 : unsigned contains_teams_construct:1, target_first_st_is_teams_or_meta:1;
1687 : unsigned contained_in_target_construct:1, indirect:1;
1688 : unsigned full:1, erroneous:1;
1689 : ENUM_BITFIELD (gfc_omp_sched_kind) sched_kind:3;
1690 : ENUM_BITFIELD (gfc_omp_device_type) device_type:2;
1691 : ENUM_BITFIELD (gfc_omp_memorder) memorder:3;
1692 : ENUM_BITFIELD (gfc_omp_memorder) fail:3;
1693 : ENUM_BITFIELD (gfc_omp_cancel_kind) cancel:3;
1694 : ENUM_BITFIELD (gfc_omp_proc_bind_kind) proc_bind:3;
1695 : ENUM_BITFIELD (gfc_omp_depend_doacross_op) depobj_update:4;
1696 : ENUM_BITFIELD (gfc_omp_bind_type) bind:2;
1697 : ENUM_BITFIELD (gfc_omp_at_type) at:2;
1698 : ENUM_BITFIELD (gfc_omp_severity_type) severity:2;
1699 : ENUM_BITFIELD (gfc_omp_sched_kind) dist_sched_kind:3;
1700 : ENUM_BITFIELD (gfc_omp_fallback) fallback:2;
1701 :
1702 : /* OpenACC. */
1703 : struct gfc_expr *async_expr;
1704 : struct gfc_expr *gang_static_expr;
1705 : struct gfc_expr *gang_num_expr;
1706 : struct gfc_expr *worker_expr;
1707 : struct gfc_expr *vector_expr;
1708 : struct gfc_expr *num_gangs_expr;
1709 : struct gfc_expr *num_workers_expr;
1710 : struct gfc_expr *vector_length_expr;
1711 : gfc_expr_list *wait_list;
1712 : gfc_expr_list *tile_list;
1713 : unsigned async:1, gang:1, worker:1, vector:1, seq:1, independent:1;
1714 : unsigned par_auto:1, gang_static:1;
1715 : unsigned if_present:1, finalize:1;
1716 : unsigned nohost:1;
1717 : locus loc;
1718 : }
1719 : gfc_omp_clauses;
1720 :
1721 : #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1722 :
1723 :
1724 : /* Node in the linked list used for storing !$oacc declare constructs. */
1725 :
1726 : typedef struct gfc_oacc_declare
1727 : {
1728 : struct gfc_oacc_declare *next;
1729 : bool module_var;
1730 : gfc_omp_clauses *clauses;
1731 : locus loc;
1732 : }
1733 : gfc_oacc_declare;
1734 :
1735 : #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1736 :
1737 :
1738 : /* Node in the linked list used for storing !$omp declare simd constructs. */
1739 :
1740 : typedef struct gfc_omp_declare_simd
1741 : {
1742 : struct gfc_omp_declare_simd *next;
1743 : locus where; /* Where the !$omp declare simd construct occurred. */
1744 :
1745 : gfc_symbol *proc_name;
1746 :
1747 : gfc_omp_clauses *clauses;
1748 : }
1749 : gfc_omp_declare_simd;
1750 : #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1751 :
1752 : /* For OpenMP trait selector enum types and tables. */
1753 : #include "omp-selectors.h"
1754 :
1755 : typedef struct gfc_omp_trait_property
1756 : {
1757 : struct gfc_omp_trait_property *next;
1758 : enum omp_tp_type property_kind;
1759 : bool is_name : 1;
1760 :
1761 : union
1762 : {
1763 : gfc_expr *expr;
1764 : gfc_symbol *sym;
1765 : gfc_omp_clauses *clauses;
1766 : char *name;
1767 : };
1768 : } gfc_omp_trait_property;
1769 : #define gfc_get_omp_trait_property() XCNEW (gfc_omp_trait_property)
1770 :
1771 : typedef struct gfc_omp_selector
1772 : {
1773 : struct gfc_omp_selector *next;
1774 : enum omp_ts_code code;
1775 : gfc_expr *score;
1776 : struct gfc_omp_trait_property *properties;
1777 : } gfc_omp_selector;
1778 : #define gfc_get_omp_selector() XCNEW (gfc_omp_selector)
1779 :
1780 : typedef struct gfc_omp_set_selector
1781 : {
1782 : struct gfc_omp_set_selector *next;
1783 : enum omp_tss_code code;
1784 : struct gfc_omp_selector *trait_selectors;
1785 : } gfc_omp_set_selector;
1786 : #define gfc_get_omp_set_selector() XCNEW (gfc_omp_set_selector)
1787 :
1788 :
1789 : /* Node in the linked list used for storing !$omp declare variant
1790 : constructs. */
1791 :
1792 : typedef struct gfc_omp_declare_variant
1793 : {
1794 : struct gfc_omp_declare_variant *next;
1795 : locus where; /* Where the !$omp declare variant construct occurred. */
1796 :
1797 : struct gfc_symtree *base_proc_symtree;
1798 : struct gfc_symtree *variant_proc_symtree;
1799 :
1800 : gfc_omp_set_selector *set_selectors;
1801 : gfc_omp_namelist *adjust_args_list;
1802 : gfc_omp_namelist *append_args_list;
1803 :
1804 : bool checked_p : 1; /* Set if previously checked for errors. */
1805 : bool error_p : 1; /* Set if error found in directive. */
1806 : }
1807 : gfc_omp_declare_variant;
1808 : #define gfc_get_omp_declare_variant() XCNEW (gfc_omp_declare_variant)
1809 :
1810 : typedef struct gfc_omp_variant
1811 : {
1812 : struct gfc_omp_variant *next;
1813 : locus where; /* Where the metadirective clause occurred. */
1814 :
1815 : gfc_omp_set_selector *selectors;
1816 : enum gfc_statement stmt;
1817 : struct gfc_code *code;
1818 :
1819 : } gfc_omp_variant;
1820 : #define gfc_get_omp_variant() XCNEW (gfc_omp_variant)
1821 :
1822 : typedef struct gfc_omp_udr
1823 : {
1824 : struct gfc_omp_udr *next;
1825 : locus where; /* Where the !$omp declare reduction construct occurred. */
1826 :
1827 : const char *name;
1828 : gfc_typespec ts;
1829 : gfc_omp_reduction_op rop;
1830 :
1831 : struct gfc_symbol *omp_out;
1832 : struct gfc_symbol *omp_in;
1833 : struct gfc_namespace *combiner_ns;
1834 :
1835 : struct gfc_symbol *omp_priv;
1836 : struct gfc_symbol *omp_orig;
1837 : struct gfc_namespace *initializer_ns;
1838 : }
1839 : gfc_omp_udr;
1840 : #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1841 :
1842 : typedef struct gfc_omp_namelist_udr
1843 : {
1844 : struct gfc_omp_udr *udr;
1845 : struct gfc_code *combiner;
1846 : struct gfc_code *initializer;
1847 : }
1848 : gfc_omp_namelist_udr;
1849 : #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1850 :
1851 : /* The gfc_st_label structure is a BBT attached to a namespace that
1852 : records the usage of statement labels within that space. */
1853 :
1854 : typedef struct gfc_st_label
1855 : {
1856 : BBT_HEADER(gfc_st_label);
1857 :
1858 : int value;
1859 :
1860 : gfc_sl_type defined, referenced;
1861 :
1862 : struct gfc_expr *format;
1863 :
1864 : tree backend_decl;
1865 :
1866 : locus where;
1867 :
1868 : gfc_namespace *ns;
1869 : int omp_region;
1870 : }
1871 : gfc_st_label;
1872 :
1873 :
1874 : /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1875 : typedef struct gfc_interface
1876 : {
1877 : struct gfc_symbol *sym;
1878 : locus where;
1879 : struct gfc_interface *next;
1880 : }
1881 : gfc_interface;
1882 :
1883 : #define gfc_get_interface() XCNEW (gfc_interface)
1884 :
1885 : /* User operator nodes. These are like stripped down symbols. */
1886 : typedef struct
1887 : {
1888 : const char *name;
1889 :
1890 : gfc_interface *op;
1891 : struct gfc_namespace *ns;
1892 : gfc_access access;
1893 : }
1894 : gfc_user_op;
1895 :
1896 :
1897 : /* A list of specific bindings that are associated with a generic spec. */
1898 : typedef struct gfc_tbp_generic
1899 : {
1900 : /* The parser sets specific_st, upon resolution we look for the corresponding
1901 : gfc_typebound_proc and set specific for further use. */
1902 : struct gfc_symtree* specific_st;
1903 : struct gfc_typebound_proc* specific;
1904 :
1905 : struct gfc_tbp_generic* next;
1906 : bool is_operator;
1907 : }
1908 : gfc_tbp_generic;
1909 :
1910 : #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1911 :
1912 :
1913 : /* Data needed for type-bound procedures. */
1914 : typedef struct gfc_typebound_proc
1915 : {
1916 : locus where; /* Where the PROCEDURE/GENERIC definition was. */
1917 :
1918 : union
1919 : {
1920 : struct gfc_symtree* specific; /* The interface if DEFERRED. */
1921 : gfc_tbp_generic* generic;
1922 : }
1923 : u;
1924 :
1925 : gfc_access access;
1926 : const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
1927 :
1928 : /* The overridden type-bound proc (or GENERIC with this name in the
1929 : parent-type) or NULL if non. */
1930 : struct gfc_typebound_proc* overridden;
1931 :
1932 : /* Once resolved, we use the position of pass_arg in the formal arglist of
1933 : the binding-target procedure to identify it. The first argument has
1934 : number 1 here, the second 2, and so on. */
1935 : unsigned pass_arg_num;
1936 :
1937 : unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
1938 : unsigned non_overridable:1;
1939 : unsigned deferred:1;
1940 : unsigned is_generic:1;
1941 : unsigned function:1, subroutine:1;
1942 : unsigned error:1; /* Ignore it, when an error occurred during resolution. */
1943 : unsigned ppc:1;
1944 : }
1945 : gfc_typebound_proc;
1946 :
1947 : #define gfc_get_tbp() XCNEW (gfc_typebound_proc)
1948 :
1949 : /* Symbol nodes. These are important things. They are what the
1950 : standard refers to as "entities". The possibly multiple names that
1951 : refer to the same entity are accomplished by a binary tree of
1952 : symtree structures that is balanced by the red-black method-- more
1953 : than one symtree node can point to any given symbol. */
1954 :
1955 : typedef struct gfc_symbol
1956 : {
1957 : const char *name; /* Primary name, before renaming */
1958 : const char *module; /* Module this symbol came from */
1959 : locus declared_at;
1960 :
1961 : gfc_typespec ts;
1962 : symbol_attribute attr;
1963 :
1964 : /* The formal member points to the formal argument list if the
1965 : symbol is a function or subroutine name. If the symbol is a
1966 : generic name, the generic member points to the list of
1967 : interfaces. */
1968 :
1969 : gfc_interface *generic;
1970 : gfc_access component_access;
1971 :
1972 : gfc_formal_arglist *formal;
1973 : struct gfc_namespace *formal_ns;
1974 : struct gfc_namespace *f2k_derived;
1975 :
1976 : /* List of PDT parameter expressions */
1977 : struct gfc_actual_arglist *param_list;
1978 : struct gfc_symbol *template_sym;
1979 :
1980 : struct gfc_expr *value; /* Parameter/Initializer value */
1981 : gfc_array_spec *as;
1982 : struct gfc_symbol *result; /* function result symbol */
1983 : gfc_component *components; /* Derived type components */
1984 :
1985 : /* Defined only for Cray pointees; points to their pointer. */
1986 : struct gfc_symbol *cp_pointer;
1987 :
1988 : int entry_id; /* Used in resolve.cc for entries. */
1989 :
1990 : /* CLASS hashed name for declared and dynamic types in the class. */
1991 : int hash_value;
1992 :
1993 : struct gfc_symbol *common_next; /* Links for COMMON syms */
1994 :
1995 : /* This is only used for pointer comparisons to check if symbols
1996 : are in the same common block.
1997 : In opposition to common_block, the common_head pointer takes into account
1998 : equivalences: if A is in a common block C and A and B are in equivalence,
1999 : then both A and B have common_head pointing to C, while A's common_block
2000 : points to C and B's is NULL. */
2001 : struct gfc_common_head* common_head;
2002 :
2003 : /* Make sure initialization code is generated in the correct order. */
2004 : int decl_order;
2005 :
2006 : gfc_namelist *namelist, *namelist_tail;
2007 :
2008 : /* The tlink field is used in the front end to carry the module
2009 : declaration of separate module procedures so that the characteristics
2010 : can be compared with the corresponding declaration in a submodule. In
2011 : translation this field carries a linked list of symbols that require
2012 : deferred initialization. */
2013 : struct gfc_symbol *tlink;
2014 :
2015 : /* Change management fields. Symbols that might be modified by the
2016 : current statement have the mark member nonzero. Of these symbols,
2017 : symbols with old_symbol equal to NULL are symbols created within
2018 : the current statement. Otherwise, old_symbol points to a copy of
2019 : the old symbol. gfc_new is used in symbol.cc to flag new symbols.
2020 : comp_mark is used to indicate variables which have component accesses
2021 : in OpenMP/OpenACC directive clauses (cf. c-typeck.cc:c_finish_omp_clauses,
2022 : map_field_head).
2023 : data_mark is used to check duplicate mappings for OpenMP data-sharing
2024 : clauses (see firstprivate_head/lastprivate_head in the above function).
2025 : dev_mark is used to check duplicate mappings for OpenMP
2026 : is_device_ptr/has_device_addr clauses (see is_on_device_head in above
2027 : function).
2028 : gen_mark is used to check duplicate mappings for OpenMP
2029 : use_device_ptr/use_device_addr/private/shared clauses (see generic_head in
2030 : above functon).
2031 : reduc_mark is used to check duplicate mappings for OpenMP reduction
2032 : clauses. */
2033 : struct gfc_symbol *old_symbol;
2034 : unsigned mark:1, comp_mark:1, data_mark:1, dev_mark:1, gen_mark:1;
2035 : unsigned reduc_mark:1, gfc_new:1;
2036 :
2037 : /* Nonzero if all equivalences associated with this symbol have been
2038 : processed. */
2039 : unsigned equiv_built:1;
2040 : /* Set if this variable is used as an index name in a FORALL. */
2041 : unsigned forall_index:1;
2042 : /* Set if the symbol is used in a function result specification . */
2043 : unsigned fn_result_spec:1;
2044 : /* Set if the symbol spec. depends on an old-style function result. */
2045 : unsigned fn_result_dep:1;
2046 : /* Used to avoid multiple resolutions of a single symbol. */
2047 : /* = 2 if this has already been resolved as an intrinsic,
2048 : in gfc_resolve_intrinsic,
2049 : = 1 if it has been resolved in resolve_symbol. */
2050 : unsigned resolve_symbol_called:2;
2051 : /* Set if this is a module function or subroutine with the
2052 : abbreviated declaration in a submodule. */
2053 : unsigned abr_modproc_decl:1;
2054 : /* Set if a previous error or warning has occurred and no other
2055 : should be reported. */
2056 : unsigned error:1;
2057 : /* Set if the dummy argument of a procedure could be an array despite
2058 : being called with a scalar actual argument. */
2059 : unsigned maybe_array:1;
2060 : /* Set if this should be passed by value, but is not a VALUE argument
2061 : according to the Fortran standard. */
2062 : unsigned pass_as_value:1;
2063 : /* Set if an external dummy argument is called with different argument lists.
2064 : This is legal in Fortran, but can cause problems with autogenerated
2065 : C prototypes for C23. */
2066 : unsigned ext_dummy_arglist_mismatch:1;
2067 : /* Set if the formal arglist has already been resolved, to avoid
2068 : trying to generate it again from actual arguments. */
2069 : unsigned formal_resolved:1;
2070 :
2071 : /* Reference counter, used for memory management.
2072 :
2073 : Some symbols may be present in more than one namespace, for example
2074 : function and subroutine symbols are present both in the outer namespace and
2075 : the procedure body namespace. Freeing symbols with the namespaces they are
2076 : in would result in double free for those symbols. This field counts
2077 : references and is used to delay the memory release until the last reference
2078 : to the symbol is removed.
2079 :
2080 : Not every symbol pointer is accounted for reference counting. Fields
2081 : gfc_symtree::n::sym are, and gfc_finalizer::proc_sym as well. But most of
2082 : them (dummy arguments, generic list elements, etc) are "weak" pointers;
2083 : the reference count isn't updated when they are assigned, and they are
2084 : ignored when the surrounding structure memory is released. This is not a
2085 : problem because there is always a namespace as surrounding context and
2086 : symbols have a name they can be referred with in that context, so the
2087 : namespace keeps the symbol from being freed, keeping the pointer valid.
2088 : When the namespace ceases to exist, and the symbols with it, the other
2089 : structures referencing symbols cease to exist as well. */
2090 : int refs;
2091 :
2092 : struct gfc_namespace *ns; /* namespace containing this symbol */
2093 :
2094 : tree backend_decl;
2095 :
2096 : /* Identity of the intrinsic module the symbol comes from, or
2097 : INTMOD_NONE if it's not imported from a intrinsic module. */
2098 : intmod_id from_intmod;
2099 : /* Identity of the symbol from intrinsic modules, from enums maintained
2100 : separately by each intrinsic module. Used together with from_intmod,
2101 : it uniquely identifies a symbol from an intrinsic module. */
2102 : int intmod_sym_id;
2103 :
2104 : /* This may be repetitive, since the typespec now has a binding
2105 : label field. */
2106 : const char* binding_label;
2107 : /* Store a reference to the common_block, if this symbol is in one. */
2108 : struct gfc_common_head *common_block;
2109 :
2110 : /* Link to corresponding association-list if this is an associate name. */
2111 : struct gfc_association_list *assoc;
2112 :
2113 : /* Link to next entry in derived type list */
2114 : struct gfc_symbol *dt_next;
2115 :
2116 : /* This is for determining where the symbol has been used first, for better
2117 : location of error messages. */
2118 : locus formal_at;
2119 : }
2120 : gfc_symbol;
2121 :
2122 :
2123 : struct gfc_undo_change_set
2124 : {
2125 : vec<gfc_symbol *> syms;
2126 : vec<gfc_typebound_proc *> tbps;
2127 : gfc_undo_change_set *previous;
2128 : };
2129 :
2130 :
2131 : /* This structure is used to keep track of symbols in common blocks. */
2132 : typedef struct gfc_common_head
2133 : {
2134 : locus where;
2135 : char use_assoc, saved, threadprivate;
2136 : unsigned char omp_declare_target : 1;
2137 : unsigned char omp_declare_target_link : 1;
2138 : unsigned char omp_declare_target_local : 1;
2139 : unsigned char omp_groupprivate : 1;
2140 : ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2;
2141 : /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */
2142 : char name[2*GFC_MAX_SYMBOL_LEN + 1 + 14 + 1];
2143 : struct gfc_symbol *head;
2144 : const char* binding_label;
2145 : int is_bind_c;
2146 : int refs;
2147 : }
2148 : gfc_common_head;
2149 :
2150 : #define gfc_get_common_head() XCNEW (gfc_common_head)
2151 :
2152 :
2153 : /* A list of all the alternate entry points for a procedure. */
2154 :
2155 : typedef struct gfc_entry_list
2156 : {
2157 : /* The symbol for this entry point. */
2158 : gfc_symbol *sym;
2159 : /* The zero-based id of this entry point. */
2160 : int id;
2161 : /* The LABEL_EXPR marking this entry point. */
2162 : tree label;
2163 : /* The next item in the list. */
2164 : struct gfc_entry_list *next;
2165 : }
2166 : gfc_entry_list;
2167 :
2168 : #define gfc_get_entry_list() XCNEW (gfc_entry_list)
2169 :
2170 : /* Lists of rename info for the USE statement. */
2171 :
2172 : typedef struct gfc_use_rename
2173 : {
2174 : char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
2175 : struct gfc_use_rename *next;
2176 : int found;
2177 : gfc_intrinsic_op op;
2178 : locus where;
2179 : }
2180 : gfc_use_rename;
2181 :
2182 : #define gfc_get_use_rename() XCNEW (gfc_use_rename);
2183 :
2184 : /* A list of all USE statements in a namespace. */
2185 :
2186 : typedef struct gfc_use_list
2187 : {
2188 : const char *module_name;
2189 : const char *submodule_name;
2190 : bool intrinsic;
2191 : bool non_intrinsic;
2192 : bool only_flag;
2193 : struct gfc_use_rename *rename;
2194 : locus where;
2195 : /* Next USE statement. */
2196 : struct gfc_use_list *next;
2197 : }
2198 : gfc_use_list;
2199 :
2200 : #define gfc_get_use_list() XCNEW (gfc_use_list)
2201 :
2202 : /* Within a namespace, symbols are pointed to by symtree nodes that
2203 : are linked together in a balanced binary tree. There can be
2204 : several symtrees pointing to the same symbol node via USE
2205 : statements. */
2206 :
2207 : typedef struct gfc_symtree
2208 : {
2209 : BBT_HEADER (gfc_symtree);
2210 : const char *name;
2211 : int ambiguous;
2212 : union
2213 : {
2214 : gfc_symbol *sym; /* Symbol associated with this node */
2215 : gfc_user_op *uop;
2216 : gfc_common_head *common;
2217 : gfc_typebound_proc *tb;
2218 : gfc_omp_udr *omp_udr;
2219 : }
2220 : n;
2221 : unsigned import_only:1;
2222 : }
2223 : gfc_symtree;
2224 :
2225 : /* A list of all derived types. */
2226 : extern gfc_symbol *gfc_derived_types;
2227 :
2228 : typedef struct gfc_oacc_routine_name
2229 : {
2230 : struct gfc_symbol *sym;
2231 : struct gfc_omp_clauses *clauses;
2232 : struct gfc_oacc_routine_name *next;
2233 : locus loc;
2234 : }
2235 : gfc_oacc_routine_name;
2236 :
2237 : #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
2238 :
2239 : /* Node in linked list to see what has already been finalized
2240 : earlier. */
2241 :
2242 : typedef struct gfc_was_finalized {
2243 : gfc_expr *e;
2244 : gfc_component *c;
2245 : struct gfc_was_finalized *next;
2246 : }
2247 : gfc_was_finalized;
2248 :
2249 :
2250 : /* Flag F2018 import status */
2251 : enum importstate
2252 : { IMPORT_NOT_SET = 0, /* Default condition. */
2253 : IMPORT_F2008, /* Old style IMPORT. */
2254 : IMPORT_ONLY, /* Import list used. */
2255 : IMPORT_NONE, /* No host association. Unique in scoping unit. */
2256 : IMPORT_ALL /* Must be unique in the scoping unit. */
2257 : };
2258 :
2259 :
2260 : /* A namespace describes the contents of procedure, module, interface block
2261 : or BLOCK construct. */
2262 : /* ??? Anything else use these? */
2263 :
2264 : typedef struct gfc_namespace
2265 : {
2266 : /* Tree containing all the symbols in this namespace. */
2267 : gfc_symtree *sym_root;
2268 : /* Tree containing all the user-defined operators in the namespace. */
2269 : gfc_symtree *uop_root;
2270 : /* Tree containing all the common blocks. */
2271 : gfc_symtree *common_root;
2272 : /* Tree containing all the OpenMP user defined reductions. */
2273 : gfc_symtree *omp_udr_root;
2274 :
2275 : /* Tree containing type-bound procedures. */
2276 : gfc_symtree *tb_sym_root;
2277 : /* Type-bound user operators. */
2278 : gfc_symtree *tb_uop_root;
2279 : /* For derived-types, store type-bound intrinsic operators here. */
2280 : gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS];
2281 : /* Linked list of finalizer procedures. */
2282 : struct gfc_finalizer *finalizers;
2283 :
2284 : /* If set_flag[letter] is set, an implicit type has been set for letter. */
2285 : int set_flag[GFC_LETTERS];
2286 : /* Keeps track of the implicit types associated with the letters. */
2287 : gfc_typespec default_type[GFC_LETTERS];
2288 : /* Store the positions of IMPLICIT statements. */
2289 : locus implicit_loc[GFC_LETTERS];
2290 :
2291 : /* If this is a namespace of a procedure, this points to the procedure. */
2292 : struct gfc_symbol *proc_name;
2293 : /* If this is the namespace of a unit which contains executable
2294 : code, this points to it. */
2295 : struct gfc_code *code;
2296 :
2297 : /* Points to the equivalences set up in this namespace. */
2298 : struct gfc_equiv *equiv, *old_equiv;
2299 :
2300 : /* Points to the equivalence groups produced by trans_common. */
2301 : struct gfc_equiv_list *equiv_lists;
2302 :
2303 : gfc_interface *op[GFC_INTRINSIC_OPS];
2304 :
2305 : /* Points to the parent namespace, i.e. the namespace of a module or
2306 : procedure in which the procedure belonging to this namespace is
2307 : contained. The parent namespace points to this namespace either
2308 : directly via CONTAINED, or indirectly via the chain built by
2309 : SIBLING. */
2310 : struct gfc_namespace *parent;
2311 : /* CONTAINED points to the first contained namespace. Sibling
2312 : namespaces are chained via SIBLING. */
2313 : struct gfc_namespace *contained, *sibling;
2314 :
2315 : gfc_common_head blank_common;
2316 : gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
2317 :
2318 : gfc_st_label *st_labels;
2319 : /* This list holds information about all the data initializers in
2320 : this namespace. */
2321 : struct gfc_data *data, *old_data;
2322 :
2323 : /* !$ACC DECLARE. */
2324 : gfc_oacc_declare *oacc_declare;
2325 :
2326 : /* !$ACC ROUTINE clauses. */
2327 : gfc_omp_clauses *oacc_routine_clauses;
2328 :
2329 : /* !$ACC TASK AFFINITY iterator symbols. */
2330 : gfc_symbol *omp_affinity_iterators;
2331 :
2332 : /* !$ACC ROUTINE names. */
2333 : gfc_oacc_routine_name *oacc_routine_names;
2334 :
2335 : gfc_charlen *cl_list;
2336 :
2337 : gfc_symbol *derived_types;
2338 :
2339 : int save_all, seen_save, seen_implicit_none;
2340 :
2341 : /* Normally we don't need to refcount namespaces. However when we read
2342 : a module containing a function with multiple entry points, this
2343 : will appear as several functions with the same formal namespace. */
2344 : int refs;
2345 :
2346 : /* A list of all alternate entry points to this procedure (or NULL). */
2347 : gfc_entry_list *entries;
2348 :
2349 : /* A list of USE statements in this namespace. */
2350 : gfc_use_list *use_stmts;
2351 :
2352 : /* Linked list of !$omp declare simd constructs. */
2353 : struct gfc_omp_declare_simd *omp_declare_simd;
2354 :
2355 : /* Linked list of !$omp declare variant constructs. */
2356 : struct gfc_omp_declare_variant *omp_declare_variant;
2357 :
2358 : /* OpenMP assumptions and allocate for static/stack vars. */
2359 : struct gfc_omp_assumptions *omp_assumes;
2360 : struct gfc_omp_namelist *omp_allocate;
2361 :
2362 : /* A hash set for the gfc expressions that have already
2363 : been finalized in this namespace. */
2364 :
2365 : gfc_was_finalized *was_finalized;
2366 :
2367 : /* Set to 1 if namespace is a BLOCK DATA program unit. */
2368 : unsigned is_block_data:1;
2369 :
2370 : /* Set to 1 if namespace is an interface body with "IMPORT" used. */
2371 : unsigned has_import_set:1;
2372 :
2373 : /* Flag F2018 import status */
2374 : ENUM_BITFIELD (importstate) import_state :3;
2375 :
2376 :
2377 : /* Set to 1 if the namespace uses "IMPLICIT NONE (export)". */
2378 : unsigned has_implicit_none_export:1;
2379 :
2380 : /* Set to 1 if resolved has been called for this namespace.
2381 : Holds -1 during resolution. */
2382 : signed resolved:2;
2383 :
2384 : /* Set when resolve_types has been called for this namespace. */
2385 : unsigned types_resolved:1;
2386 :
2387 : /* Set if the associate_name in a select type statement is an
2388 : inferred type. */
2389 : unsigned assoc_name_inferred:1;
2390 :
2391 : /* Set to 1 if code has been generated for this namespace. */
2392 : unsigned translated:1;
2393 :
2394 : /* Set to 1 if symbols in this namespace should be 'construct entities',
2395 : i.e. for BLOCK local variables. */
2396 : unsigned construct_entities:1;
2397 :
2398 : /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
2399 : unsigned omp_udr_ns:1;
2400 :
2401 : /* Set to 1 for !$ACC ROUTINE namespaces. */
2402 : unsigned oacc_routine:1;
2403 :
2404 : /* Set to 1 if there are any calls to procedures with implicit interface. */
2405 : unsigned implicit_interface_calls:1;
2406 :
2407 : /* OpenMP requires. */
2408 : unsigned omp_requires:8;
2409 : unsigned omp_target_seen:1;
2410 :
2411 : /* Set to 1 if this is an implicit OMP structured block. */
2412 : unsigned omp_structured_block:1;
2413 : }
2414 : gfc_namespace;
2415 :
2416 : extern gfc_namespace *gfc_current_ns;
2417 : extern gfc_namespace *gfc_global_ns_list;
2418 :
2419 : /* Global symbols are symbols of global scope. Currently we only use
2420 : this to detect collisions already when parsing.
2421 : TODO: Extend to verify procedure calls. */
2422 :
2423 : enum gfc_symbol_type
2424 : {
2425 : GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
2426 : GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA
2427 : };
2428 :
2429 : typedef struct gfc_gsymbol
2430 : {
2431 : BBT_HEADER(gfc_gsymbol);
2432 :
2433 : const char *name;
2434 : const char *sym_name;
2435 : const char *mod_name;
2436 : const char *binding_label;
2437 : enum gfc_symbol_type type;
2438 :
2439 : int defined, used;
2440 : bool bind_c;
2441 : locus where;
2442 : gfc_namespace *ns;
2443 : }
2444 : gfc_gsymbol;
2445 :
2446 : extern gfc_gsymbol *gfc_gsym_root;
2447 :
2448 : /* Information on interfaces being built. */
2449 : typedef struct
2450 : {
2451 : interface_type type;
2452 : gfc_symbol *sym;
2453 : gfc_namespace *ns;
2454 : gfc_user_op *uop;
2455 : gfc_intrinsic_op op;
2456 : }
2457 : gfc_interface_info;
2458 :
2459 : extern gfc_interface_info current_interface;
2460 :
2461 :
2462 : /* Array reference. */
2463 :
2464 : enum gfc_array_ref_dimen_type
2465 : {
2466 : DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN
2467 : };
2468 :
2469 : enum gfc_array_ref_team_type
2470 : {
2471 : TEAM_UNKNOWN = 0, TEAM_UNSET, TEAM_TEAM, TEAM_NUMBER
2472 : };
2473 :
2474 : typedef struct gfc_array_ref
2475 : {
2476 : ar_type type;
2477 : int dimen; /* # of components in the reference */
2478 : int codimen;
2479 : bool in_allocate; /* For coarray checks. */
2480 : enum gfc_array_ref_team_type team_type : 2;
2481 : gfc_expr *team;
2482 : gfc_expr *stat;
2483 : locus where;
2484 : gfc_array_spec *as;
2485 :
2486 : locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
2487 : struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
2488 : *stride[GFC_MAX_DIMENSIONS];
2489 :
2490 : enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS];
2491 : }
2492 : gfc_array_ref;
2493 :
2494 : #define gfc_get_array_ref() XCNEW (gfc_array_ref)
2495 :
2496 :
2497 : /* Component reference nodes. A variable is stored as an expression
2498 : node that points to the base symbol. After that, a singly linked
2499 : list of component reference nodes gives the variable's complete
2500 : resolution. The array_ref component may be present and comes
2501 : before the component component. */
2502 :
2503 : enum ref_type
2504 : { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING, REF_INQUIRY };
2505 :
2506 : enum inquiry_type
2507 : { INQUIRY_RE, INQUIRY_IM, INQUIRY_KIND, INQUIRY_LEN };
2508 :
2509 : typedef struct gfc_ref
2510 : {
2511 : ref_type type;
2512 :
2513 : union
2514 : {
2515 : struct gfc_array_ref ar;
2516 :
2517 : struct
2518 : {
2519 : gfc_component *component;
2520 : gfc_symbol *sym;
2521 : }
2522 : c;
2523 :
2524 : struct
2525 : {
2526 : struct gfc_expr *start, *end; /* Substring */
2527 : gfc_charlen *length;
2528 : }
2529 : ss;
2530 :
2531 : inquiry_type i;
2532 :
2533 : }
2534 : u;
2535 :
2536 : struct gfc_ref *next;
2537 : }
2538 : gfc_ref;
2539 :
2540 : #define gfc_get_ref() XCNEW (gfc_ref)
2541 :
2542 :
2543 : /* Structures representing intrinsic symbols and their arguments lists. */
2544 : typedef struct gfc_intrinsic_arg
2545 : {
2546 : char name[GFC_MAX_SYMBOL_LEN + 1];
2547 :
2548 : gfc_typespec ts;
2549 : unsigned optional:1, value:1;
2550 : ENUM_BITFIELD (sym_intent) intent:2;
2551 :
2552 : struct gfc_intrinsic_arg *next;
2553 : }
2554 : gfc_intrinsic_arg;
2555 :
2556 :
2557 : typedef enum {
2558 : GFC_UNDEFINED_DUMMY_ARG = 0,
2559 : GFC_INTRINSIC_DUMMY_ARG,
2560 : GFC_NON_INTRINSIC_DUMMY_ARG
2561 : }
2562 : gfc_dummy_arg_intrinsicness;
2563 :
2564 : /* dummy arg of either an intrinsic or a user-defined procedure. */
2565 : struct gfc_dummy_arg
2566 : {
2567 : gfc_dummy_arg_intrinsicness intrinsicness;
2568 :
2569 : union {
2570 : gfc_intrinsic_arg *intrinsic;
2571 : gfc_formal_arglist *non_intrinsic;
2572 : } u;
2573 : };
2574 :
2575 : #define gfc_get_dummy_arg() XCNEW (gfc_dummy_arg)
2576 :
2577 :
2578 : const char * gfc_dummy_arg_get_name (gfc_dummy_arg &);
2579 : const gfc_typespec & gfc_dummy_arg_get_typespec (gfc_dummy_arg &);
2580 : bool gfc_dummy_arg_is_optional (gfc_dummy_arg &);
2581 :
2582 :
2583 : /* Specifies the various kinds of check functions used to verify the
2584 : argument lists of intrinsic functions. fX with X an integer refer
2585 : to check functions of intrinsics with X arguments. f1m is used for
2586 : the MAX and MIN intrinsics which can have an arbitrary number of
2587 : arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2588 : these have special semantics. */
2589 :
2590 : typedef union
2591 : {
2592 : bool (*f0)(void);
2593 : bool (*f1)(struct gfc_expr *);
2594 : bool (*f1m)(gfc_actual_arglist *);
2595 : bool (*f2)(struct gfc_expr *, struct gfc_expr *);
2596 : bool (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2597 : bool (*f5ml)(gfc_actual_arglist *);
2598 : bool (*f6fl)(gfc_actual_arglist *);
2599 : bool (*f3red)(gfc_actual_arglist *);
2600 : bool (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2601 : struct gfc_expr *);
2602 : bool (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2603 : struct gfc_expr *, struct gfc_expr *);
2604 : bool (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2605 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2606 : }
2607 : gfc_check_f;
2608 :
2609 : /* Like gfc_check_f, these specify the type of the simplification
2610 : function associated with an intrinsic. The fX are just like in
2611 : gfc_check_f. cc is used for type conversion functions. */
2612 :
2613 : typedef union
2614 : {
2615 : struct gfc_expr *(*f0)(void);
2616 : struct gfc_expr *(*f1)(struct gfc_expr *);
2617 : struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
2618 : struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
2619 : struct gfc_expr *);
2620 : struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
2621 : struct gfc_expr *, struct gfc_expr *);
2622 : struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
2623 : struct gfc_expr *, struct gfc_expr *,
2624 : struct gfc_expr *);
2625 : struct gfc_expr *(*f6)(struct gfc_expr *, struct gfc_expr *,
2626 : struct gfc_expr *, struct gfc_expr *,
2627 : struct gfc_expr *, struct gfc_expr *);
2628 : struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
2629 : }
2630 : gfc_simplify_f;
2631 :
2632 : /* Again like gfc_check_f, these specify the type of the resolution
2633 : function associated with an intrinsic. The fX are just like in
2634 : gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2635 :
2636 : typedef union
2637 : {
2638 : void (*f0)(struct gfc_expr *);
2639 : void (*f1)(struct gfc_expr *, struct gfc_expr *);
2640 : void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
2641 : void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2642 : void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2643 : struct gfc_expr *);
2644 : void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2645 : struct gfc_expr *, struct gfc_expr *);
2646 : void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2647 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2648 : void (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2649 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2650 : struct gfc_expr *);
2651 : void (*s1)(struct gfc_code *);
2652 : }
2653 : gfc_resolve_f;
2654 :
2655 :
2656 : typedef struct gfc_intrinsic_sym
2657 : {
2658 : const char *name, *lib_name;
2659 : gfc_intrinsic_arg *formal;
2660 : gfc_typespec ts;
2661 : unsigned elemental:1, inquiry:1, transformational:1, pure:1,
2662 : generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1,
2663 : from_module:1, vararg:1;
2664 :
2665 : int standard;
2666 :
2667 : gfc_simplify_f simplify;
2668 : gfc_check_f check;
2669 : gfc_resolve_f resolve;
2670 : struct gfc_intrinsic_sym *specific_head, *next;
2671 : gfc_isym_id id;
2672 :
2673 : }
2674 : gfc_intrinsic_sym;
2675 :
2676 :
2677 : /* Expression nodes. The expression node types deserve explanations,
2678 : since the last couple can be easily misconstrued:
2679 :
2680 : EXPR_OP Operator node pointing to one or two other nodes
2681 : EXPR_FUNCTION Function call, symbol points to function's name
2682 : EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2683 : EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2684 : which expresses structure, array and substring refs.
2685 : EXPR_NULL The NULL pointer value (which also has a basic type).
2686 : EXPR_SUBSTRING A substring of a constant string
2687 : EXPR_STRUCTURE A structure constructor
2688 : EXPR_ARRAY An array constructor.
2689 : EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2690 : component or type-bound procedure. */
2691 :
2692 : #include <mpfr.h>
2693 : #include <mpc.h>
2694 : #define GFC_RND_MODE MPFR_RNDN
2695 : #define GFC_MPC_RND_MODE MPC_RNDNN
2696 :
2697 : typedef splay_tree gfc_constructor_base;
2698 :
2699 :
2700 : /* This should be an unsigned variable of type size_t. But to handle
2701 : compiling to a 64-bit target from a 32-bit host, we need to use a
2702 : HOST_WIDE_INT. Also, occasionally the string length field is used
2703 : as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2704 : So it needs to be signed. */
2705 : typedef HOST_WIDE_INT gfc_charlen_t;
2706 :
2707 : typedef struct gfc_expr
2708 : {
2709 : expr_t expr_type;
2710 :
2711 : gfc_typespec ts; /* These two refer to the overall expression */
2712 :
2713 : int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */
2714 : int corank; /* same as rank, but for coarrays. */
2715 : mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
2716 :
2717 : /* Nonnull for functions and structure constructors, may also used to hold the
2718 : base-object for component calls. */
2719 : gfc_symtree *symtree;
2720 :
2721 : gfc_ref *ref;
2722 :
2723 : locus where;
2724 :
2725 : /* Used to store the base expression in component calls, when the expression
2726 : is not a variable. */
2727 : struct gfc_expr *base_expr;
2728 :
2729 : /* is_snan denotes a signalling not-a-number. */
2730 : unsigned int is_snan : 1;
2731 :
2732 : /* Sometimes, when an error has been emitted, it is necessary to prevent
2733 : it from recurring. */
2734 : unsigned int error : 1;
2735 :
2736 : /* Mark an expression where a user operator has been substituted by
2737 : a function call in interface.cc(gfc_extend_expr). */
2738 : unsigned int user_operator : 1;
2739 :
2740 : /* Mark an expression as being a MOLD argument of ALLOCATE. */
2741 : unsigned int mold : 1;
2742 :
2743 : /* Will require finalization after use. */
2744 : unsigned int must_finalize : 1;
2745 :
2746 : /* Set this if no range check should be performed on this expression. */
2747 :
2748 : unsigned int no_bounds_check : 1;
2749 :
2750 : /* Set this if a matmul expression has already been evaluated for conversion
2751 : to a BLAS call. */
2752 :
2753 : unsigned int external_blas : 1;
2754 :
2755 : /* Set this if resolution has already happened. It could be harmful
2756 : if done again. */
2757 :
2758 : unsigned int do_not_resolve_again : 1;
2759 :
2760 : /* Set this if no warning should be given somewhere in a lower level. */
2761 :
2762 : unsigned int do_not_warn : 1;
2763 :
2764 : /* Set this if the expression came from expanding an array constructor. */
2765 : unsigned int from_constructor : 1;
2766 :
2767 : /* If an expression comes from a Hollerith constant or compile-time
2768 : evaluation of a transfer statement, it may have a prescribed target-
2769 : memory representation, and these cannot always be backformed from
2770 : the value. */
2771 : struct
2772 : {
2773 : gfc_charlen_t length;
2774 : char *string;
2775 : }
2776 : representation;
2777 :
2778 : struct
2779 : {
2780 : int len; /* Length of BOZ string without terminating NULL. */
2781 : int rdx; /* Radix of BOZ. */
2782 : char *str; /* BOZ string with NULL terminating character. */
2783 : }
2784 : boz;
2785 :
2786 : union
2787 : {
2788 : int logical;
2789 :
2790 : io_kind iokind;
2791 :
2792 : mpz_t integer;
2793 :
2794 : mpfr_t real;
2795 :
2796 : mpc_t complex;
2797 :
2798 : struct
2799 : {
2800 : gfc_intrinsic_op op;
2801 : gfc_user_op *uop;
2802 : struct gfc_expr *op1, *op2;
2803 : }
2804 : op;
2805 :
2806 : struct
2807 : {
2808 : gfc_actual_arglist *actual;
2809 : const char *name; /* Points to the ultimate name of the function */
2810 : gfc_intrinsic_sym *isym;
2811 : gfc_symbol *esym;
2812 : }
2813 : function;
2814 :
2815 : struct
2816 : {
2817 : gfc_actual_arglist* actual;
2818 : const char* name;
2819 : /* Base-object, whose component was called. NULL means that it should
2820 : be taken from symtree/ref. */
2821 : struct gfc_expr* base_object;
2822 : gfc_typebound_proc* tbp; /* Should overlap with esym. */
2823 :
2824 : /* For type-bound operators, we want to call PASS procedures but already
2825 : have the full arglist; mark this, so that it is not extended by the
2826 : PASS argument. */
2827 : unsigned ignore_pass:1;
2828 :
2829 : /* Do assign-calls rather than calls, that is appropriate dependency
2830 : checking. */
2831 : unsigned assign:1;
2832 : }
2833 : compcall;
2834 :
2835 : struct
2836 : {
2837 : gfc_charlen_t length;
2838 : gfc_char_t *string;
2839 : }
2840 : character;
2841 :
2842 : gfc_constructor_base constructor;
2843 :
2844 : struct
2845 : {
2846 : struct gfc_expr *condition;
2847 : struct gfc_expr *true_expr;
2848 : struct gfc_expr *false_expr;
2849 : } conditional;
2850 : } value;
2851 :
2852 : /* Used to store PDT expression lists associated with expressions. */
2853 : gfc_actual_arglist *param_list;
2854 :
2855 : }
2856 : gfc_expr;
2857 :
2858 :
2859 : #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2860 :
2861 : /* Structures for information associated with different kinds of
2862 : numbers. The first set of integer parameters define all there is
2863 : to know about a particular kind. The rest of the elements are
2864 : computed from the first elements. */
2865 :
2866 : typedef struct
2867 : {
2868 : /* Values really representable by the target. */
2869 : mpz_t huge, pedantic_min_int, min_int;
2870 :
2871 : int kind, radix, digits, bit_size, range;
2872 :
2873 : /* True if the C type of the given name maps to this precision.
2874 : Note that more than one bit can be set. */
2875 : unsigned int c_char : 1;
2876 : unsigned int c_short : 1;
2877 : unsigned int c_int : 1;
2878 : unsigned int c_long : 1;
2879 : unsigned int c_long_long : 1;
2880 : }
2881 : gfc_integer_info;
2882 :
2883 : extern gfc_integer_info gfc_integer_kinds[];
2884 :
2885 : /* Unsigned numbers, experimental. */
2886 :
2887 : typedef struct
2888 : {
2889 : mpz_t huge, int_min;
2890 :
2891 : int kind, radix, digits, bit_size, range;
2892 :
2893 : /* True if the C type of the given name maps to this precision. Note that
2894 : more than one bit can be set. We will use this later on. */
2895 : unsigned int c_unsigned_char : 1;
2896 : unsigned int c_unsigned_short : 1;
2897 : unsigned int c_unsigned_int : 1;
2898 : unsigned int c_unsigned_long : 1;
2899 : unsigned int c_unsigned_long_long : 1;
2900 : }
2901 : gfc_unsigned_info;
2902 :
2903 : extern gfc_unsigned_info gfc_unsigned_kinds[];
2904 :
2905 : typedef struct
2906 : {
2907 : int kind, bit_size;
2908 :
2909 : /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2910 : unsigned int c_bool : 1;
2911 : }
2912 : gfc_logical_info;
2913 :
2914 : extern gfc_logical_info gfc_logical_kinds[];
2915 :
2916 :
2917 : typedef struct
2918 : {
2919 : mpfr_t epsilon, huge, tiny, subnormal;
2920 : int kind, abi_kind, radix, digits, min_exponent, max_exponent;
2921 : int range, precision;
2922 :
2923 : /* The precision of the type as reported by GET_MODE_PRECISION. */
2924 : int mode_precision;
2925 :
2926 : /* True if the C type of the given name maps to this precision.
2927 : Note that more than one bit can be set. */
2928 : unsigned int c_float : 1;
2929 : unsigned int c_double : 1;
2930 : unsigned int c_long_double : 1;
2931 : unsigned int c_float128 : 1;
2932 : /* True if for _Float128 C23 IEC 60559 *f128 APIs should be used
2933 : instead of libquadmath *q APIs. */
2934 : unsigned int use_iec_60559 : 1;
2935 : }
2936 : gfc_real_info;
2937 :
2938 : extern gfc_real_info gfc_real_kinds[];
2939 :
2940 : typedef struct
2941 : {
2942 : int kind, bit_size;
2943 : const char *name;
2944 : }
2945 : gfc_character_info;
2946 :
2947 : extern gfc_character_info gfc_character_kinds[];
2948 :
2949 :
2950 : /* Equivalence structures. Equivalent lvalues are linked along the
2951 : *eq pointer, equivalence sets are strung along the *next node. */
2952 : typedef struct gfc_equiv
2953 : {
2954 : struct gfc_equiv *next, *eq;
2955 : gfc_expr *expr;
2956 : const char *module;
2957 : int used;
2958 : }
2959 : gfc_equiv;
2960 :
2961 : #define gfc_get_equiv() XCNEW (gfc_equiv)
2962 :
2963 : /* Holds a single equivalence member after processing. */
2964 : typedef struct gfc_equiv_info
2965 : {
2966 : gfc_symbol *sym;
2967 : HOST_WIDE_INT offset;
2968 : HOST_WIDE_INT length;
2969 : struct gfc_equiv_info *next;
2970 : } gfc_equiv_info;
2971 :
2972 : /* Holds equivalence groups, after they have been processed. */
2973 : typedef struct gfc_equiv_list
2974 : {
2975 : gfc_equiv_info *equiv;
2976 : struct gfc_equiv_list *next;
2977 : } gfc_equiv_list;
2978 :
2979 : /* gfc_case stores the selector list of a case statement. The *low
2980 : and *high pointers can point to the same expression in the case of
2981 : a single value. If *high is NULL, the selection is from *low
2982 : upwards, if *low is NULL the selection is *high downwards.
2983 :
2984 : This structure has separate fields to allow single and double linked
2985 : lists of CASEs at the same time. The single linked list along the NEXT
2986 : field is a list of cases for a single CASE label. The double linked
2987 : list along the LEFT/RIGHT fields is used to detect overlap and to
2988 : build a table of the cases for SELECT constructs with a CHARACTER
2989 : case expression. */
2990 :
2991 : typedef struct gfc_case
2992 : {
2993 : /* Where we saw this case. */
2994 : locus where;
2995 : int n;
2996 :
2997 : /* Case range values. If (low == high), it's a single value. If one of
2998 : the labels is NULL, it's an unbounded case. If both are NULL, this
2999 : represents the default case. */
3000 : gfc_expr *low, *high;
3001 :
3002 : /* Only used for SELECT TYPE. */
3003 : gfc_typespec ts;
3004 :
3005 : /* Next case label in the list of cases for a single CASE label. */
3006 : struct gfc_case *next;
3007 :
3008 : /* Used for detecting overlap, and for code generation. */
3009 : struct gfc_case *left, *right;
3010 :
3011 : /* True if this case label can never be matched. */
3012 : int unreachable;
3013 : }
3014 : gfc_case;
3015 :
3016 : #define gfc_get_case() XCNEW (gfc_case)
3017 :
3018 :
3019 : /* Annotations for loop constructs. */
3020 : typedef struct
3021 : {
3022 : unsigned short unroll;
3023 : bool ivdep;
3024 : bool vector;
3025 : bool novector;
3026 : }
3027 : gfc_loop_annot;
3028 :
3029 :
3030 : typedef struct
3031 : {
3032 : gfc_expr *var, *start, *end, *step;
3033 : gfc_loop_annot annot;
3034 : }
3035 : gfc_iterator;
3036 :
3037 : #define gfc_get_iterator() XCNEW (gfc_iterator)
3038 :
3039 :
3040 : /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
3041 :
3042 : typedef struct gfc_alloc
3043 : {
3044 : gfc_expr *expr;
3045 : struct gfc_alloc *next;
3046 : }
3047 : gfc_alloc;
3048 :
3049 : #define gfc_get_alloc() XCNEW (gfc_alloc)
3050 :
3051 :
3052 : typedef struct
3053 : {
3054 : gfc_expr *unit, *file, *status, *access, *form, *recl,
3055 : *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
3056 : *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit,
3057 : *share, *cc;
3058 : char readonly;
3059 : gfc_st_label *err;
3060 : }
3061 : gfc_open;
3062 :
3063 :
3064 : typedef struct
3065 : {
3066 : gfc_expr *unit, *status, *iostat, *iomsg;
3067 : gfc_st_label *err;
3068 : }
3069 : gfc_close;
3070 :
3071 :
3072 : typedef struct
3073 : {
3074 : gfc_expr *unit, *iostat, *iomsg;
3075 : gfc_st_label *err;
3076 : }
3077 : gfc_filepos;
3078 :
3079 :
3080 : typedef struct
3081 : {
3082 : gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
3083 : *name, *access, *sequential, *direct, *form, *formatted,
3084 : *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
3085 : *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
3086 : *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id,
3087 : *iqstream, *share, *cc;
3088 :
3089 : gfc_st_label *err;
3090 :
3091 : }
3092 : gfc_inquire;
3093 :
3094 :
3095 : typedef struct
3096 : {
3097 : gfc_expr *unit, *iostat, *iomsg, *id;
3098 : gfc_st_label *err, *end, *eor;
3099 : }
3100 : gfc_wait;
3101 :
3102 :
3103 : typedef struct
3104 : {
3105 : gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
3106 : *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
3107 : *sign, *extra_comma, *dt_io_kind, *udtio;
3108 : char dec_ext;
3109 :
3110 : gfc_symbol *namelist;
3111 : /* A format_label of `format_asterisk' indicates the "*" format */
3112 : gfc_st_label *format_label;
3113 : gfc_st_label *err, *end, *eor;
3114 :
3115 : locus eor_where, end_where, err_where;
3116 : }
3117 : gfc_dt;
3118 :
3119 :
3120 : typedef struct gfc_forall_iterator
3121 : {
3122 : gfc_expr *var, *start, *end, *stride;
3123 : gfc_loop_annot annot;
3124 : /* index-name shadows a variable from outer scope. */
3125 : bool shadow;
3126 : struct gfc_forall_iterator *next;
3127 : }
3128 : gfc_forall_iterator;
3129 :
3130 :
3131 : /* Linked list to store associations in an ASSOCIATE statement. */
3132 :
3133 : typedef struct gfc_association_list
3134 : {
3135 : struct gfc_association_list *next;
3136 :
3137 : /* Whether this is association to a variable that can be changed; otherwise,
3138 : it's association to an expression and the name may not be used as
3139 : lvalue. */
3140 : unsigned variable:1;
3141 :
3142 : /* True if this struct is currently only linked to from a gfc_symbol rather
3143 : than as part of a real list in gfc_code->ext.block.assoc. This may
3144 : happen for SELECT TYPE temporaries and must be considered
3145 : for memory handling. */
3146 : unsigned dangling:1;
3147 :
3148 : char name[GFC_MAX_SYMBOL_LEN + 1];
3149 : gfc_symtree *st; /* Symtree corresponding to name. */
3150 : locus where;
3151 :
3152 : gfc_expr *target;
3153 :
3154 : gfc_array_ref *ar;
3155 :
3156 : /* Used for inferring the derived type of an associate name, whose selector
3157 : is a sibling derived type function that has not yet been parsed. */
3158 : gfc_symbol *derived_types;
3159 : unsigned inferred_type:1;
3160 : }
3161 : gfc_association_list;
3162 : #define gfc_get_association_list() XCNEW (gfc_association_list)
3163 :
3164 :
3165 : /* Executable statements that fill gfc_code structures. */
3166 : enum gfc_exec_op
3167 : {
3168 : EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN,
3169 : EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP,
3170 : EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
3171 : EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
3172 : EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE,
3173 : EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
3174 : EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE,
3175 : EXEC_SELECT_TYPE, EXEC_SELECT_RANK, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY,
3176 : EXEC_SYNC_IMAGES, EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
3177 : EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
3178 : EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
3179 : EXEC_FORM_TEAM, EXEC_CHANGE_TEAM, EXEC_END_TEAM, EXEC_SYNC_TEAM,
3180 : EXEC_LOCK, EXEC_UNLOCK, EXEC_EVENT_POST, EXEC_EVENT_WAIT, EXEC_FAIL_IMAGE,
3181 : EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP, EXEC_OACC_SERIAL_LOOP,
3182 : EXEC_OACC_ROUTINE, EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_SERIAL,
3183 : EXEC_OACC_DATA, EXEC_OACC_HOST_DATA, EXEC_OACC_LOOP, EXEC_OACC_UPDATE,
3184 : EXEC_OACC_WAIT, EXEC_OACC_CACHE, EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA,
3185 : EXEC_OACC_ATOMIC, EXEC_OACC_DECLARE,
3186 : EXEC_OMP_CRITICAL, EXEC_OMP_FIRST_OPENMP_EXEC = EXEC_OMP_CRITICAL,
3187 : EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
3188 : EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
3189 : EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
3190 : EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
3191 : EXEC_OMP_ASSUME, EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
3192 : EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT,
3193 : EXEC_OMP_TASKYIELD, EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
3194 : EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
3195 : EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
3196 : EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
3197 : EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
3198 : EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
3199 : EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
3200 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
3201 : EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
3202 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
3203 : EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
3204 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
3205 : EXEC_OMP_TARGET_UPDATE, EXEC_OMP_END_CRITICAL,
3206 : EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA,
3207 : EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO,
3208 : EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD,
3209 : EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD, EXEC_OMP_SCAN, EXEC_OMP_DEPOBJ,
3210 : EXEC_OMP_PARALLEL_MASTER, EXEC_OMP_PARALLEL_MASTER_TASKLOOP,
3211 : EXEC_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, EXEC_OMP_MASTER_TASKLOOP,
3212 : EXEC_OMP_MASTER_TASKLOOP_SIMD, EXEC_OMP_LOOP, EXEC_OMP_PARALLEL_LOOP,
3213 : EXEC_OMP_TEAMS_LOOP, EXEC_OMP_TARGET_PARALLEL_LOOP,
3214 : EXEC_OMP_TARGET_TEAMS_LOOP, EXEC_OMP_MASKED, EXEC_OMP_PARALLEL_MASKED,
3215 : EXEC_OMP_PARALLEL_MASKED_TASKLOOP, EXEC_OMP_PARALLEL_MASKED_TASKLOOP_SIMD,
3216 : EXEC_OMP_MASKED_TASKLOOP, EXEC_OMP_MASKED_TASKLOOP_SIMD, EXEC_OMP_SCOPE,
3217 : EXEC_OMP_UNROLL, EXEC_OMP_TILE, EXEC_OMP_INTEROP, EXEC_OMP_METADIRECTIVE,
3218 : EXEC_OMP_ERROR, EXEC_OMP_ALLOCATE, EXEC_OMP_ALLOCATORS, EXEC_OMP_DISPATCH,
3219 : EXEC_OMP_LAST_OPENMP_EXEC = EXEC_OMP_DISPATCH
3220 : };
3221 :
3222 : /* Enum Definition for locality types. */
3223 : enum locality_type
3224 : {
3225 : LOCALITY_LOCAL = 0,
3226 : LOCALITY_LOCAL_INIT,
3227 : LOCALITY_SHARED,
3228 : LOCALITY_REDUCE,
3229 : LOCALITY_NUM
3230 : };
3231 :
3232 : struct sync_stat
3233 : {
3234 : gfc_expr *stat, *errmsg;
3235 : };
3236 :
3237 : typedef struct gfc_code
3238 : {
3239 : gfc_exec_op op;
3240 :
3241 : struct gfc_code *block, *next;
3242 : locus loc;
3243 :
3244 : gfc_st_label *here, *label1, *label2, *label3;
3245 : gfc_symtree *symtree;
3246 : gfc_expr *expr1, *expr2, *expr3, *expr4;
3247 : /* A name isn't sufficient to identify a subroutine, we need the actual
3248 : symbol for the interface definition.
3249 : const char *sub_name; */
3250 : gfc_symbol *resolved_sym;
3251 : gfc_intrinsic_sym *resolved_isym;
3252 :
3253 : union
3254 : {
3255 : gfc_actual_arglist *actual;
3256 : gfc_iterator *iterator;
3257 : gfc_open *open;
3258 : gfc_close *close;
3259 : gfc_filepos *filepos;
3260 : gfc_inquire *inquire;
3261 : gfc_wait *wait;
3262 : gfc_dt *dt;
3263 : struct gfc_code *which_construct;
3264 : gfc_entry_list *entry;
3265 : gfc_oacc_declare *oacc_declare;
3266 : gfc_omp_clauses *omp_clauses;
3267 : const char *omp_name;
3268 : gfc_omp_namelist *omp_namelist;
3269 : gfc_omp_variant *omp_variants;
3270 : bool omp_bool;
3271 : int stop_code;
3272 : struct sync_stat sync_stat;
3273 :
3274 : struct
3275 : {
3276 : gfc_typespec ts;
3277 : gfc_alloc *list;
3278 : /* Take the array specification from expr3 to allocate arrays
3279 : without an explicit array specification. */
3280 : unsigned arr_spec_from_expr3:1;
3281 : /* expr3 is not explicit */
3282 : unsigned expr3_not_explicit:1;
3283 : struct sync_stat sync_stat;
3284 : }
3285 : alloc;
3286 :
3287 : struct
3288 : {
3289 : gfc_namespace *ns;
3290 : gfc_association_list *assoc;
3291 : gfc_case *case_list;
3292 : struct sync_stat sync_stat;
3293 : }
3294 : block;
3295 :
3296 : struct
3297 : {
3298 : gfc_forall_iterator *forall_iterator;
3299 : gfc_expr_list *locality[LOCALITY_NUM];
3300 : bool default_none;
3301 : }
3302 : concur;
3303 : }
3304 : ext; /* Points to additional structures required by statement */
3305 :
3306 : /* Cycle and break labels in constructs. */
3307 : tree cycle_label;
3308 : tree exit_label;
3309 : }
3310 : gfc_code;
3311 :
3312 :
3313 : /* Storage for DATA statements. */
3314 : typedef struct gfc_data_variable
3315 : {
3316 : gfc_expr *expr;
3317 : gfc_iterator iter;
3318 : struct gfc_data_variable *list, *next;
3319 : }
3320 : gfc_data_variable;
3321 :
3322 :
3323 : typedef struct gfc_data_value
3324 : {
3325 : mpz_t repeat;
3326 : gfc_expr *expr;
3327 : struct gfc_data_value *next;
3328 : }
3329 : gfc_data_value;
3330 :
3331 :
3332 : typedef struct gfc_data
3333 : {
3334 : gfc_data_variable *var;
3335 : gfc_data_value *value;
3336 : locus where;
3337 :
3338 : struct gfc_data *next;
3339 : }
3340 : gfc_data;
3341 :
3342 :
3343 : /* Structure for holding compile options */
3344 : typedef struct
3345 : {
3346 : char *module_dir;
3347 : gfc_source_form source_form;
3348 : int max_continue_fixed;
3349 : int max_continue_free;
3350 : int max_identifier_length;
3351 :
3352 : int max_errors;
3353 :
3354 : int flag_preprocessed;
3355 : int flag_d_lines;
3356 : int flag_init_integer;
3357 : long flag_init_integer_value;
3358 : int flag_init_logical;
3359 : int flag_init_character;
3360 : char flag_init_character_value;
3361 : bool disable_omp_is_initial_device:1;
3362 : bool disable_omp_get_initial_device:1;
3363 : bool disable_omp_get_num_devices:1;
3364 : bool disable_acc_on_device:1;
3365 :
3366 : int fpe;
3367 : int fpe_summary;
3368 : int rtcheck;
3369 :
3370 : int warn_std;
3371 : int allow_std;
3372 : }
3373 : gfc_option_t;
3374 :
3375 : extern gfc_option_t gfc_option;
3376 :
3377 : /* Constructor nodes for array and structure constructors. */
3378 : typedef struct gfc_constructor
3379 : {
3380 : gfc_constructor_base base;
3381 : mpz_t offset; /* Offset within a constructor, used as
3382 : key within base. */
3383 :
3384 : gfc_expr *expr;
3385 : gfc_iterator *iterator;
3386 : locus where;
3387 :
3388 : union
3389 : {
3390 : gfc_component *component; /* Record the component being initialized. */
3391 : }
3392 : n;
3393 : mpz_t repeat; /* Record the repeat number of initial values in data
3394 : statement like "data a/5*10/". */
3395 : }
3396 : gfc_constructor;
3397 :
3398 :
3399 : typedef struct iterator_stack
3400 : {
3401 : gfc_symtree *variable;
3402 : mpz_t value;
3403 : struct iterator_stack *prev;
3404 : }
3405 : iterator_stack;
3406 : extern iterator_stack *iter_stack;
3407 :
3408 :
3409 : /* Used for (possibly nested) SELECT TYPE statements. */
3410 : typedef struct gfc_select_type_stack
3411 : {
3412 : gfc_symbol *selector; /* Current selector variable. */
3413 : gfc_symtree *tmp; /* Current temporary variable. */
3414 : struct gfc_select_type_stack *prev; /* Previous element on stack. */
3415 : }
3416 : gfc_select_type_stack;
3417 : extern gfc_select_type_stack *select_type_stack;
3418 : #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
3419 :
3420 :
3421 : /* Node in the linked list used for storing finalizer procedures. */
3422 :
3423 : typedef struct gfc_finalizer
3424 : {
3425 : struct gfc_finalizer* next;
3426 : locus where; /* Where the FINAL declaration occurred. */
3427 :
3428 : /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
3429 : symtree and later need only that. This way, we can access and call the
3430 : finalizers from every context as they should be "always accessible". I
3431 : don't make this a union because we need the information whether proc_sym is
3432 : still referenced or not for dereferencing it on deleting a gfc_finalizer
3433 : structure. */
3434 : gfc_symbol* proc_sym;
3435 : gfc_symtree* proc_tree;
3436 : }
3437 : gfc_finalizer;
3438 : #define gfc_get_finalizer() XCNEW (gfc_finalizer)
3439 :
3440 :
3441 : /************************ Function prototypes *************************/
3442 :
3443 :
3444 : /* Returns true if the type specified in TS is a character type whose length
3445 : is the constant one. Otherwise returns false. */
3446 :
3447 : inline bool
3448 22330 : gfc_length_one_character_type_p (gfc_typespec *ts)
3449 : {
3450 22330 : return ts->type == BT_CHARACTER
3451 763 : && ts->u.cl
3452 763 : && ts->u.cl->length
3453 762 : && ts->u.cl->length->expr_type == EXPR_CONSTANT
3454 762 : && ts->u.cl->length->ts.type == BT_INTEGER
3455 23092 : && mpz_cmp_ui (ts->u.cl->length->value.integer, 1) == 0;
3456 : }
3457 :
3458 : /* decl.cc */
3459 : bool gfc_in_match_data (void);
3460 : match gfc_match_char_spec (gfc_typespec *);
3461 : extern int directive_unroll;
3462 : extern bool directive_ivdep;
3463 : extern bool directive_vector;
3464 : extern bool directive_novector;
3465 :
3466 : /* SIMD clause enum. */
3467 : enum gfc_simd_clause
3468 : {
3469 : SIMD_NONE = (1 << 0),
3470 : SIMD_INBRANCH = (1 << 1),
3471 : SIMD_NOTINBRANCH = (1 << 2)
3472 : };
3473 :
3474 : /* Tuple for parsing of vectorized built-ins. */
3475 : struct gfc_vect_builtin_tuple
3476 : {
3477 : gfc_vect_builtin_tuple (const char *n, gfc_simd_clause t)
3478 : : name (n), simd_type (t) {}
3479 :
3480 : const char *name;
3481 : gfc_simd_clause simd_type;
3482 : };
3483 :
3484 : /* Map of middle-end built-ins that should be vectorized. */
3485 : extern hash_map<nofree_string_hash, int> *gfc_vectorized_builtins;
3486 :
3487 : /* Handling Parameterized Derived Types */
3488 : bool gfc_insert_parameter_exprs (gfc_expr *, gfc_actual_arglist *);
3489 : void gfc_correct_parm_expr (gfc_symbol *, gfc_expr **);
3490 : match gfc_get_pdt_instance (gfc_actual_arglist *, gfc_symbol **,
3491 : gfc_actual_arglist **);
3492 :
3493 :
3494 : /* Given a symbol, test whether it is a module procedure in a submodule */
3495 : #define gfc_submodule_procedure(attr) \
3496 : (gfc_state_stack->previous && gfc_state_stack->previous->previous \
3497 : && gfc_state_stack->previous->previous->state == COMP_SUBMODULE \
3498 : && attr->module_procedure)
3499 :
3500 : /* scanner.cc */
3501 : void gfc_scanner_done_1 (void);
3502 : void gfc_scanner_init_1 (void);
3503 :
3504 : void gfc_add_include_path (const char *, bool, bool, bool, bool);
3505 : void gfc_add_intrinsic_modules_path (const char *);
3506 : void gfc_release_include_path (void);
3507 : void gfc_check_include_dirs (bool);
3508 : FILE *gfc_open_included_file (const char *, bool, bool);
3509 :
3510 : bool gfc_at_end (void);
3511 : bool gfc_at_eof (void);
3512 : bool gfc_at_bol (void);
3513 : bool gfc_at_eol (void);
3514 : void gfc_advance_line (void);
3515 : bool gfc_define_undef_line (void);
3516 :
3517 : bool gfc_wide_is_printable (gfc_char_t);
3518 : bool gfc_wide_is_digit (gfc_char_t);
3519 : bool gfc_wide_fits_in_byte (gfc_char_t);
3520 : gfc_char_t gfc_wide_tolower (gfc_char_t);
3521 : gfc_char_t gfc_wide_toupper (gfc_char_t);
3522 : size_t gfc_wide_strlen (const gfc_char_t *);
3523 : int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
3524 : gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
3525 : char *gfc_widechar_to_char (const gfc_char_t *, int);
3526 : gfc_char_t *gfc_char_to_widechar (const char *);
3527 :
3528 : #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
3529 :
3530 : void gfc_skip_comments (void);
3531 : gfc_char_t gfc_next_char_literal (gfc_instring);
3532 : gfc_char_t gfc_next_char (void);
3533 : char gfc_next_ascii_char (void);
3534 : gfc_char_t gfc_peek_char (void);
3535 : char gfc_peek_ascii_char (void);
3536 : void gfc_error_recovery (void);
3537 : void gfc_gobble_whitespace (void);
3538 : void gfc_new_file (void);
3539 : const char * gfc_read_orig_filename (const char *, const char **);
3540 :
3541 : extern gfc_source_form gfc_current_form;
3542 : extern const char *gfc_source_file;
3543 : extern locus gfc_current_locus;
3544 :
3545 : void gfc_start_source_files (void);
3546 : void gfc_end_source_files (void);
3547 :
3548 : /* misc.cc */
3549 : void gfc_clear_ts (gfc_typespec *);
3550 : FILE *gfc_open_file (const char *);
3551 : const char *gfc_basic_typename (bt);
3552 : const char *gfc_dummy_typename (gfc_typespec *);
3553 : const char *gfc_typename (gfc_typespec *, bool for_hash = false);
3554 : const char *gfc_typename (gfc_expr *);
3555 : const char *gfc_op2string (gfc_intrinsic_op);
3556 : const char *gfc_code2string (const mstring *, int);
3557 : int gfc_string2code (const mstring *, const char *);
3558 : const char *gfc_intent_string (sym_intent);
3559 :
3560 : void gfc_init_1 (void);
3561 : void gfc_init_2 (void);
3562 : void gfc_done_1 (void);
3563 : void gfc_done_2 (void);
3564 :
3565 : int get_c_kind (const char *, CInteropKind_t *);
3566 :
3567 : const char * gfc_var_name_for_select_type_temp (gfc_expr *);
3568 :
3569 : const char *gfc_closest_fuzzy_match (const char *, char **);
3570 : inline void
3571 601 : vec_push (char **&optr, size_t &osz, const char *elt)
3572 : {
3573 : /* {auto,}vec.safe_push () replacement. Don't ask.. */
3574 : // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
3575 601 : optr = XRESIZEVEC (char *, optr, osz + 2);
3576 601 : optr[osz] =
3577 : #ifdef __cplusplus
3578 : const_cast<char *> (elt);
3579 : #else
3580 : (__extension__ (union {const char *_q; const char *_nq;})(elt))._nq;
3581 : #endif
3582 601 : optr[++osz] = NULL;
3583 601 : }
3584 :
3585 : HOST_WIDE_INT gfc_mpz_get_hwi (mpz_t);
3586 : void gfc_mpz_set_hwi (mpz_t, const HOST_WIDE_INT);
3587 :
3588 : /* options.cc */
3589 : unsigned int gfc_option_lang_mask (void);
3590 : void gfc_init_options_struct (struct gcc_options *);
3591 : void gfc_init_options (unsigned int,
3592 : struct cl_decoded_option *);
3593 : bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT, int, location_t,
3594 : const struct cl_option_handlers *);
3595 : bool gfc_post_options (const char **);
3596 : char *gfc_get_option_string (void);
3597 :
3598 : /* f95-lang.cc */
3599 : void gfc_maybe_initialize_eh (void);
3600 :
3601 : /* iresolve.cc */
3602 : const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
3603 : bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
3604 :
3605 : /* error.cc */
3606 : locus gfc_get_location_range (locus *, unsigned, locus *, unsigned, locus *);
3607 : location_t gfc_get_location_with_offset (locus *, unsigned);
3608 : inline location_t
3609 3799966 : gfc_get_location (locus *loc)
3610 : {
3611 3799895 : return gfc_get_location_with_offset (loc, 0);
3612 : }
3613 :
3614 : void gfc_error_init_1 (void);
3615 : void gfc_diagnostics_init (void);
3616 : void gfc_diagnostics_finish (void);
3617 : void gfc_buffer_error (bool);
3618 :
3619 : const char *gfc_print_wide_char (gfc_char_t);
3620 :
3621 : bool gfc_warning (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3622 : bool gfc_warning_now (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3623 : bool gfc_warning_internal (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3624 : bool gfc_warning_now_at (location_t loc, int opt, const char *gmsgid, ...)
3625 : ATTRIBUTE_GCC_GFC(3,4);
3626 :
3627 : void gfc_clear_warning (void);
3628 : void gfc_warning_check (void);
3629 :
3630 : void gfc_error_opt (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3631 : void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3632 : void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3633 : void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
3634 : void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
3635 : void gfc_clear_error (void);
3636 : bool gfc_error_check (void);
3637 : bool gfc_error_flag_test (void);
3638 : bool gfc_buffered_p (void);
3639 :
3640 : notification gfc_notification_std (int);
3641 : bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3642 :
3643 : /* A general purpose syntax error. */
3644 : #define gfc_syntax_error(ST) \
3645 : gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
3646 :
3647 : #include "diagnostics/buffering.h" /* For diagnostics::buffer. */
3648 8547628 : struct gfc_error_buffer
3649 : {
3650 : bool flag;
3651 : diagnostics::buffer buffer;
3652 :
3653 : gfc_error_buffer();
3654 : };
3655 :
3656 : void gfc_push_error (gfc_error_buffer *);
3657 : void gfc_pop_error (gfc_error_buffer *);
3658 : void gfc_free_error (gfc_error_buffer *);
3659 :
3660 : void gfc_get_errors (int *, int *);
3661 : void gfc_errors_to_warnings (bool);
3662 :
3663 : /* arith.cc */
3664 : void gfc_arith_init_1 (void);
3665 : void gfc_arith_done_1 (void);
3666 : arith gfc_check_integer_range (mpz_t p, int kind);
3667 : arith gfc_check_unsigned_range (mpz_t p, int kind);
3668 : bool gfc_check_character_range (gfc_char_t, int);
3669 : const char *gfc_arith_error (arith);
3670 : void gfc_reduce_unsigned (gfc_expr *e);
3671 :
3672 : extern bool gfc_seen_div0;
3673 :
3674 : /* trans-types.cc */
3675 : int gfc_validate_kind (bt, int, bool);
3676 : int gfc_get_int_kind_from_width_isofortranenv (int size);
3677 : int gfc_get_uint_kind_from_width_isofortranenv (int size);
3678 : int gfc_get_real_kind_from_width_isofortranenv (int size);
3679 : tree gfc_get_union_type (gfc_symbol *);
3680 : tree gfc_get_derived_type (gfc_symbol * derived, int codimen = 0);
3681 : extern int gfc_index_integer_kind;
3682 : extern int gfc_default_integer_kind;
3683 : extern int gfc_default_unsigned_kind;
3684 : extern int gfc_max_integer_kind;
3685 : extern int gfc_default_real_kind;
3686 : extern int gfc_default_double_kind;
3687 : extern int gfc_default_character_kind;
3688 : extern int gfc_default_logical_kind;
3689 : extern int gfc_default_complex_kind;
3690 : extern int gfc_c_int_kind;
3691 : extern int gfc_c_uint_kind;
3692 : extern int gfc_c_intptr_kind;
3693 : extern int gfc_atomic_int_kind;
3694 : extern int gfc_atomic_logical_kind;
3695 : extern int gfc_intio_kind;
3696 : extern int gfc_charlen_int_kind;
3697 : extern int gfc_size_kind;
3698 : extern int gfc_numeric_storage_size;
3699 : extern int gfc_character_storage_size;
3700 :
3701 : #define gfc_logical_4_kind 4
3702 : #define gfc_integer_4_kind 4
3703 : #define gfc_real_4_kind 4
3704 :
3705 : #define gfc_integer_8_kind 8
3706 :
3707 : /* symbol.cc */
3708 : void gfc_clear_new_implicit (void);
3709 : bool gfc_add_new_implicit_range (int, int);
3710 : bool gfc_merge_new_implicit (gfc_typespec *);
3711 : void gfc_set_implicit_none (bool, bool, locus *);
3712 : void gfc_check_function_type (gfc_namespace *);
3713 : bool gfc_is_intrinsic_typename (const char *);
3714 : bool gfc_check_conflict (symbol_attribute *, const char *, locus *);
3715 :
3716 : gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *);
3717 : bool gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
3718 :
3719 : void gfc_set_sym_referenced (gfc_symbol *);
3720 :
3721 : bool gfc_add_attribute (symbol_attribute *, locus *);
3722 : bool gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *);
3723 : bool gfc_add_allocatable (symbol_attribute *, locus *);
3724 : bool gfc_add_codimension (symbol_attribute *, const char *, locus *);
3725 : bool gfc_add_contiguous (symbol_attribute *, const char *, locus *);
3726 : bool gfc_add_dimension (symbol_attribute *, const char *, locus *);
3727 : bool gfc_add_external (symbol_attribute *, locus *);
3728 : bool gfc_add_intrinsic (symbol_attribute *, locus *);
3729 : bool gfc_add_optional (symbol_attribute *, locus *);
3730 : bool gfc_add_kind (symbol_attribute *, locus *);
3731 : bool gfc_add_len (symbol_attribute *, locus *);
3732 : bool gfc_add_pointer (symbol_attribute *, locus *);
3733 : bool gfc_add_cray_pointer (symbol_attribute *, locus *);
3734 : bool gfc_add_cray_pointee (symbol_attribute *, locus *);
3735 : match gfc_mod_pointee_as (gfc_array_spec *);
3736 : bool gfc_add_protected (symbol_attribute *, const char *, locus *);
3737 : bool gfc_add_result (symbol_attribute *, const char *, locus *);
3738 : bool gfc_add_automatic (symbol_attribute *, const char *, locus *);
3739 : bool gfc_add_save (symbol_attribute *, save_state, const char *, locus *);
3740 : bool gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
3741 : bool gfc_add_omp_declare_target (symbol_attribute *, const char *, locus *);
3742 : bool gfc_add_omp_declare_target_link (symbol_attribute *, const char *,
3743 : locus *);
3744 : bool gfc_add_omp_declare_target_local (symbol_attribute *, const char *,
3745 : locus *);
3746 : bool gfc_add_omp_groupprivate (symbol_attribute *, const char *, locus *);
3747 : bool gfc_add_target (symbol_attribute *, locus *);
3748 : bool gfc_add_dummy (symbol_attribute *, const char *, locus *);
3749 : bool gfc_add_generic (symbol_attribute *, const char *, locus *);
3750 : bool gfc_add_in_common (symbol_attribute *, const char *, locus *);
3751 : bool gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
3752 : bool gfc_add_data (symbol_attribute *, const char *, locus *);
3753 : bool gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
3754 : bool gfc_add_sequence (symbol_attribute *, const char *, locus *);
3755 : bool gfc_add_elemental (symbol_attribute *, locus *);
3756 : bool gfc_add_pure (symbol_attribute *, locus *);
3757 : bool gfc_add_recursive (symbol_attribute *, locus *);
3758 : bool gfc_add_function (symbol_attribute *, const char *, locus *);
3759 : bool gfc_add_subroutine (symbol_attribute *, const char *, locus *);
3760 : bool gfc_add_volatile (symbol_attribute *, const char *, locus *);
3761 : bool gfc_add_asynchronous (symbol_attribute *, const char *, locus *);
3762 : bool gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
3763 : bool gfc_add_abstract (symbol_attribute* attr, locus* where);
3764 :
3765 : bool gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
3766 : bool gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
3767 : bool gfc_add_extension (symbol_attribute *, locus *);
3768 : bool gfc_add_value (symbol_attribute *, const char *, locus *);
3769 : bool gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
3770 : bool gfc_add_entry (symbol_attribute *, const char *, locus *);
3771 : bool gfc_add_procedure (symbol_attribute *, procedure_type,
3772 : const char *, locus *);
3773 : bool gfc_add_intent (symbol_attribute *, sym_intent, locus *);
3774 : bool gfc_add_explicit_interface (gfc_symbol *, ifsrc,
3775 : gfc_formal_arglist *, locus *);
3776 : bool gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
3777 :
3778 : void gfc_clear_attr (symbol_attribute *);
3779 : bool gfc_missing_attr (symbol_attribute *, locus *);
3780 : bool gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
3781 : int gfc_copy_dummy_sym (gfc_symbol **, gfc_symbol *, int);
3782 : bool gfc_add_component (gfc_symbol *, const char *, gfc_component **);
3783 : void gfc_free_component (gfc_component *);
3784 : gfc_symbol *gfc_use_derived (gfc_symbol *);
3785 : gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool,
3786 : gfc_ref **);
3787 : int gfc_find_derived_types (gfc_symbol *, gfc_namespace *, const char *,
3788 : bool stash = false);
3789 :
3790 : gfc_st_label *gfc_get_st_label (int);
3791 : void gfc_free_st_label (gfc_st_label *);
3792 : void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
3793 : bool gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
3794 : gfc_st_label *gfc_rebind_label (gfc_st_label *, int);
3795 :
3796 : gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
3797 : gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
3798 : void gfc_delete_symtree (gfc_symtree **, const char *);
3799 : gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
3800 : gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
3801 : gfc_user_op *gfc_get_uop (const char *);
3802 : gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
3803 : void gfc_free_symbol (gfc_symbol *&);
3804 : bool gfc_release_symbol (gfc_symbol *&);
3805 : gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *, locus * = NULL);
3806 : gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *);
3807 : int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
3808 : bool gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
3809 : int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **,
3810 : locus * = NULL);
3811 : bool gfc_verify_c_interop (gfc_typespec *);
3812 : bool gfc_verify_c_interop_param (gfc_symbol *);
3813 : bool verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
3814 : bool verify_bind_c_derived_type (gfc_symbol *);
3815 : bool verify_com_block_vars_c_interop (gfc_common_head *);
3816 : gfc_symtree *generate_isocbinding_symbol (const char *, iso_c_binding_symbol,
3817 : const char *, gfc_symtree *, bool);
3818 : void gfc_save_symbol_data (gfc_symbol *);
3819 : int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool,
3820 : locus * = NULL);
3821 : int gfc_get_ha_symbol (const char *, gfc_symbol **, locus * = NULL);
3822 : int gfc_get_ha_sym_tree (const char *, gfc_symtree **, locus * = NULL);
3823 :
3824 : void gfc_drop_last_undo_checkpoint (void);
3825 : void gfc_restore_last_undo_checkpoint (void);
3826 : void gfc_undo_symbols (void);
3827 : void gfc_commit_symbols (void);
3828 : void gfc_commit_symbol (gfc_symbol *);
3829 : gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *);
3830 : void gfc_free_namespace (gfc_namespace *&);
3831 :
3832 : void gfc_symbol_init_2 (void);
3833 : void gfc_symbol_done_2 (void);
3834 :
3835 : void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
3836 : void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
3837 : void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
3838 : void gfc_save_all (gfc_namespace *);
3839 :
3840 : void gfc_enforce_clean_symbol_state (void);
3841 :
3842 : gfc_gsymbol *gfc_get_gsymbol (const char *, bool bind_c);
3843 : gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
3844 : gfc_gsymbol *gfc_find_case_gsymbol (gfc_gsymbol *, const char *);
3845 : void gfc_traverse_gsymbol (gfc_gsymbol *, void (*)(gfc_gsymbol *, void *), void *);
3846 :
3847 : gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*);
3848 : gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
3849 : bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *);
3850 : bool gfc_pdt_is_instance_of (gfc_symbol *, gfc_symbol *);
3851 : bool gfc_type_compatible (gfc_typespec *, gfc_typespec *);
3852 :
3853 : void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *,
3854 : gfc_actual_arglist *, bool copy_type = false);
3855 :
3856 : void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.cc, too */
3857 :
3858 : bool gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
3859 : gfc_namespace* gfc_find_proc_namespace (gfc_namespace*);
3860 :
3861 : bool gfc_is_associate_pointer (gfc_symbol*);
3862 : gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *);
3863 : gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *);
3864 :
3865 : gfc_namespace * gfc_get_procedure_ns (gfc_symbol *);
3866 : gfc_namespace * gfc_get_spec_ns (gfc_symbol *);
3867 :
3868 : /* intrinsic.cc -- true if working in an init-expr, false otherwise. */
3869 : extern bool gfc_init_expr_flag;
3870 :
3871 : /* Given a symbol that we have decided is intrinsic, mark it as such
3872 : by placing it into a special module that is otherwise impossible to
3873 : read or write. */
3874 :
3875 : #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3876 :
3877 : void gfc_intrinsic_init_1 (void);
3878 : void gfc_intrinsic_done_1 (void);
3879 :
3880 : char gfc_type_letter (bt, bool logical_equals_int = false);
3881 : int gfc_type_abi_kind (bt, int);
3882 : inline int
3883 15887744 : gfc_type_abi_kind (gfc_typespec *ts)
3884 : {
3885 15887744 : return gfc_type_abi_kind (ts->type, ts->kind);
3886 : }
3887 : gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
3888 : gfc_symbol *gfc_get_intrinsic_function_symbol (gfc_expr *);
3889 : gfc_symbol *gfc_find_intrinsic_symbol (gfc_expr *);
3890 : bool gfc_convert_type (gfc_expr *, gfc_typespec *, int);
3891 : bool gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int,
3892 : bool array = false);
3893 : bool gfc_convert_chartype (gfc_expr *, gfc_typespec *);
3894 : bool gfc_generic_intrinsic (const char *);
3895 : bool gfc_specific_intrinsic (const char *);
3896 : bool gfc_is_intrinsic (gfc_symbol*, int, locus);
3897 : bool gfc_intrinsic_actual_ok (const char *, const bool);
3898 : gfc_intrinsic_sym *gfc_find_function (const char *);
3899 : gfc_intrinsic_sym *gfc_find_subroutine (const char *);
3900 : gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id);
3901 : gfc_intrinsic_sym *gfc_intrinsic_subroutine_by_id (gfc_isym_id);
3902 : gfc_isym_id gfc_isym_id_by_intmod (intmod_id, int);
3903 : gfc_isym_id gfc_isym_id_by_intmod_sym (gfc_symbol *);
3904 :
3905 :
3906 : match gfc_intrinsic_func_interface (gfc_expr *, int);
3907 : match gfc_intrinsic_sub_interface (gfc_code *, int);
3908 :
3909 : void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
3910 : bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
3911 : bool, locus);
3912 :
3913 : /* match.cc -- FIXME */
3914 : void gfc_free_iterator (gfc_iterator *, int);
3915 : void gfc_free_forall_iterator (gfc_forall_iterator *);
3916 : void gfc_free_alloc_list (gfc_alloc *);
3917 : void gfc_free_namelist (gfc_namelist *);
3918 : void gfc_free_omp_namelist (gfc_omp_namelist *, enum gfc_omp_list_type);
3919 : void gfc_free_equiv (gfc_equiv *);
3920 : void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *);
3921 : void gfc_free_data (gfc_data *);
3922 : void gfc_reject_data (gfc_namespace *);
3923 : void gfc_free_case_list (gfc_case *);
3924 :
3925 : /* matchexp.cc -- FIXME too? */
3926 : gfc_expr *gfc_get_parentheses (gfc_expr *);
3927 :
3928 : /* openmp.cc */
3929 : struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; };
3930 : bool gfc_omp_requires_add_clause (gfc_omp_requires_kind, const char *,
3931 : locus *, const char *);
3932 : void gfc_check_omp_requires (gfc_namespace *, int);
3933 : void gfc_free_omp_clauses (gfc_omp_clauses *);
3934 : void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare *);
3935 : void gfc_free_omp_declare_variant_list (gfc_omp_declare_variant *list);
3936 : void gfc_free_omp_declare_simd (gfc_omp_declare_simd *);
3937 : void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd *);
3938 : void gfc_free_omp_udr (gfc_omp_udr *);
3939 : void gfc_free_omp_variants (gfc_omp_variant *);
3940 : gfc_omp_udr *gfc_omp_udr_find (gfc_symtree *, gfc_typespec *);
3941 : void gfc_resolve_omp_allocate (gfc_namespace *, gfc_omp_namelist *);
3942 : void gfc_resolve_omp_assumptions (gfc_omp_assumptions *);
3943 : void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
3944 : void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *, bool);
3945 : void gfc_resolve_omp_local_vars (gfc_namespace *);
3946 : void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
3947 : void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
3948 : void gfc_resolve_omp_declare (gfc_namespace *);
3949 : void gfc_resolve_omp_udrs (gfc_symtree *);
3950 : void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *);
3951 : void gfc_omp_restore_state (struct gfc_omp_saved_state *);
3952 : void gfc_free_expr_list (gfc_expr_list *);
3953 : void gfc_resolve_oacc_directive (gfc_code *, gfc_namespace *);
3954 : void gfc_resolve_oacc_declare (gfc_namespace *);
3955 : void gfc_resolve_oacc_blocks (gfc_code *, gfc_namespace *);
3956 : void gfc_resolve_oacc_routines (gfc_namespace *);
3957 :
3958 : /* expr.cc */
3959 : void gfc_free_actual_arglist (gfc_actual_arglist *);
3960 : gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
3961 :
3962 : bool gfc_extract_int (gfc_expr *, int *, int = 0);
3963 : bool gfc_extract_hwi (gfc_expr *, HOST_WIDE_INT *, int = 0);
3964 :
3965 : bool is_CFI_desc (gfc_symbol *, gfc_expr *);
3966 : bool is_subref_array (gfc_expr *);
3967 : bool gfc_is_simply_contiguous (gfc_expr *, bool, bool);
3968 : bool gfc_is_not_contiguous (gfc_expr *);
3969 : bool gfc_check_init_expr (gfc_expr *);
3970 :
3971 : gfc_expr *gfc_build_conversion (gfc_expr *);
3972 : void gfc_free_ref_list (gfc_ref *);
3973 : void gfc_type_convert_binary (gfc_expr *, int);
3974 : bool gfc_is_constant_expr (gfc_expr *);
3975 : bool gfc_simplify_expr (gfc_expr *, int);
3976 : bool gfc_try_simplify_expr (gfc_expr *, int);
3977 : bool gfc_has_vector_index (gfc_expr *);
3978 : bool gfc_is_ptr_fcn (gfc_expr *);
3979 :
3980 : gfc_expr *gfc_get_expr (void);
3981 : gfc_expr *gfc_get_array_expr (bt type, int kind, locus *);
3982 : gfc_expr *gfc_get_null_expr (locus *);
3983 : gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op, gfc_expr *,
3984 : gfc_expr *);
3985 : gfc_expr *gfc_get_conditional_expr (locus *, gfc_expr *, gfc_expr *,
3986 : gfc_expr *);
3987 : gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *);
3988 : gfc_expr *gfc_get_constant_expr (bt, int, locus *);
3989 : gfc_expr *gfc_get_character_expr (int, locus *, const char *, gfc_charlen_t len);
3990 : gfc_expr *gfc_get_int_expr (int, locus *, HOST_WIDE_INT);
3991 : gfc_expr *gfc_get_unsigned_expr (int, locus *, HOST_WIDE_INT);
3992 : gfc_expr *gfc_get_logical_expr (int, locus *, bool);
3993 : gfc_expr *gfc_get_iokind_expr (locus *, io_kind);
3994 :
3995 : void gfc_clear_shape (mpz_t *shape, int rank);
3996 : void gfc_free_shape (mpz_t **shape, int rank);
3997 : void gfc_free_expr (gfc_expr *);
3998 : void gfc_replace_expr (gfc_expr *, gfc_expr *);
3999 : mpz_t *gfc_copy_shape (mpz_t *, int);
4000 : mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
4001 : gfc_expr *gfc_copy_expr (gfc_expr *);
4002 : gfc_ref* gfc_copy_ref (gfc_ref*);
4003 :
4004 : bool gfc_specification_expr (gfc_expr *);
4005 :
4006 : bool gfc_numeric_ts (gfc_typespec *);
4007 : int gfc_kind_max (gfc_expr *, gfc_expr *);
4008 :
4009 : bool gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3;
4010 : bool gfc_check_type_spec_parms (gfc_expr *, gfc_expr *, const char *);
4011 : bool gfc_check_assign (gfc_expr *, gfc_expr *, int, bool c = true);
4012 : bool gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue,
4013 : bool suppres_type_test = false,
4014 : bool is_init_expr = false);
4015 : bool gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *);
4016 :
4017 : gfc_expr *gfc_build_default_init_expr (gfc_typespec *, locus *);
4018 : void gfc_apply_init (gfc_typespec *, symbol_attribute *, gfc_expr *);
4019 : bool gfc_has_default_initializer (gfc_symbol *);
4020 : gfc_expr *gfc_default_initializer (gfc_typespec *);
4021 : gfc_expr *gfc_generate_initializer (gfc_typespec *, bool);
4022 : gfc_expr *gfc_get_variable_expr (gfc_symtree *);
4023 : void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *);
4024 : gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
4025 :
4026 : gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr);
4027 :
4028 : bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
4029 : bool (*)(gfc_expr *, gfc_symbol *, int*),
4030 : int);
4031 : void gfc_expr_set_symbols_referenced (gfc_expr *);
4032 : bool gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
4033 : bool gfc_derived_parameter_expr (gfc_expr *);
4034 : gfc_param_spec_type gfc_spec_list_type (gfc_actual_arglist *, gfc_symbol *);
4035 : gfc_component * gfc_get_proc_ptr_comp (gfc_expr *);
4036 : bool gfc_is_proc_ptr_comp (gfc_expr *);
4037 : bool gfc_is_alloc_class_scalar_function (gfc_expr *);
4038 : bool gfc_is_class_array_function (gfc_expr *);
4039 :
4040 : bool gfc_ref_this_image (gfc_ref *ref);
4041 : bool gfc_is_coindexed (gfc_expr *);
4042 : bool gfc_is_coarray (gfc_expr *);
4043 : bool gfc_has_ultimate_allocatable (gfc_expr *);
4044 : bool gfc_has_ultimate_pointer (gfc_expr *);
4045 : gfc_expr *gfc_find_team_co (gfc_expr *,
4046 : gfc_array_ref_team_type req_team_type = TEAM_TEAM);
4047 : gfc_expr* gfc_find_stat_co (gfc_expr *);
4048 : gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*,
4049 : locus, unsigned, ...);
4050 : bool gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*);
4051 : gfc_expr* gfc_pdt_find_component_copy_initializer (gfc_symbol *, const char *);
4052 : bool has_parameterized_comps (gfc_symbol *);
4053 :
4054 : /* st.cc */
4055 : extern gfc_code new_st;
4056 :
4057 : void gfc_clear_new_st (void);
4058 : gfc_code *gfc_get_code (gfc_exec_op);
4059 : gfc_code *gfc_append_code (gfc_code *, gfc_code *);
4060 : void gfc_free_statement (gfc_code *);
4061 : void gfc_free_statements (gfc_code *);
4062 : void gfc_free_association_list (gfc_association_list *);
4063 :
4064 : /* resolve.cc */
4065 : void gfc_resolve_symbol (gfc_symbol *);
4066 : void gfc_expression_rank (gfc_expr *);
4067 : bool gfc_op_rank_conformable (gfc_expr *, gfc_expr *);
4068 : bool gfc_resolve_ref (gfc_expr *);
4069 : void gfc_fixup_inferred_type_refs (gfc_expr *);
4070 : bool gfc_resolve_expr (gfc_expr *);
4071 : void gfc_resolve (gfc_namespace *);
4072 : void gfc_resolve_code (gfc_code *, gfc_namespace *);
4073 : void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
4074 : void gfc_resolve_formal_arglist (gfc_symbol *);
4075 : bool gfc_impure_variable (gfc_symbol *);
4076 : bool gfc_pure (gfc_symbol *);
4077 : bool gfc_implicit_pure (gfc_symbol *);
4078 : void gfc_unset_implicit_pure (gfc_symbol *);
4079 : bool gfc_elemental (gfc_symbol *);
4080 : bool gfc_resolve_iterator (gfc_iterator *, bool, bool);
4081 : bool find_forall_index (gfc_expr *, gfc_symbol *, int);
4082 : bool gfc_resolve_index (gfc_expr *, int);
4083 : bool gfc_resolve_dim_arg (gfc_expr *);
4084 : bool gfc_resolve_substring (gfc_ref *, bool *);
4085 : void gfc_resolve_substring_charlen (gfc_expr *);
4086 : void gfc_resolve_sync_stat (struct sync_stat *);
4087 : gfc_expr *gfc_expr_to_initialize (gfc_expr *);
4088 : bool gfc_type_is_extensible (gfc_symbol *);
4089 : bool gfc_resolve_intrinsic (gfc_symbol *, locus *);
4090 : bool gfc_explicit_interface_required (gfc_symbol *, char *, int);
4091 : extern int gfc_do_concurrent_flag;
4092 : const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree *);
4093 : bool gfc_pure_function (gfc_expr *e, const char **name);
4094 : bool gfc_implicit_pure_function (gfc_expr *e);
4095 :
4096 : /* coarray.cc */
4097 : void gfc_coarray_rewrite (gfc_namespace *);
4098 :
4099 : /* array.cc */
4100 : gfc_iterator *gfc_copy_iterator (gfc_iterator *);
4101 :
4102 : void gfc_free_array_spec (gfc_array_spec *);
4103 : gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
4104 :
4105 : bool gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
4106 : gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
4107 : bool gfc_resolve_array_spec (gfc_array_spec *, int);
4108 :
4109 : bool gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
4110 :
4111 : void gfc_simplify_iterator_var (gfc_expr *);
4112 : bool gfc_expand_constructor (gfc_expr *, bool);
4113 : bool gfc_constant_ac (gfc_expr *);
4114 : bool gfc_expanded_ac (gfc_expr *);
4115 : bool gfc_resolve_character_array_constructor (gfc_expr *);
4116 : bool gfc_resolve_array_constructor (gfc_expr *);
4117 : bool gfc_check_constructor_type (gfc_expr *);
4118 : bool gfc_check_iter_variable (gfc_expr *);
4119 : bool gfc_check_constructor (gfc_expr *, bool (*)(gfc_expr *));
4120 : bool gfc_array_size (gfc_expr *, mpz_t *);
4121 : bool gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
4122 : bool gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
4123 : gfc_array_ref *gfc_find_array_ref (gfc_expr *, bool a = false);
4124 : tree gfc_conv_array_initializer (tree type, gfc_expr *);
4125 : bool spec_size (gfc_array_spec *, mpz_t *);
4126 : bool spec_dimen_size (gfc_array_spec *, int, mpz_t *);
4127 : bool gfc_is_compile_time_shape (gfc_array_spec *);
4128 :
4129 : bool gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *);
4130 :
4131 : /* interface.cc -- FIXME: some of these should be in symbol.cc */
4132 : void gfc_free_interface (gfc_interface *);
4133 : void gfc_drop_interface_elements_before (gfc_interface **, gfc_interface *);
4134 : bool gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
4135 : bool gfc_compare_types (gfc_typespec *, gfc_typespec *);
4136 : bool gfc_check_dummy_characteristics (gfc_symbol *, gfc_symbol *,
4137 : bool, char *, int);
4138 : bool gfc_check_result_characteristics (gfc_symbol *, gfc_symbol *,
4139 : char *, int);
4140 : bool gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int,
4141 : char *, int, const char *, const char *,
4142 : bool *bad_result_characteristics = NULL);
4143 : void gfc_check_interfaces (gfc_namespace *);
4144 : bool gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
4145 : void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *);
4146 : gfc_symbol *gfc_search_interface (gfc_interface *, int,
4147 : gfc_actual_arglist **);
4148 : match gfc_extend_expr (gfc_expr *);
4149 : void gfc_free_formal_arglist (gfc_formal_arglist *);
4150 : bool gfc_extend_assign (gfc_code *, gfc_namespace *);
4151 : bool gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus);
4152 : bool gfc_add_interface (gfc_symbol *);
4153 : gfc_interface *&gfc_current_interface_head (void);
4154 : void gfc_set_current_interface_head (gfc_interface *);
4155 : gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
4156 : bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
4157 : bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus);
4158 : bool gfc_has_vector_subscript (gfc_expr*);
4159 : gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op);
4160 : bool gfc_check_typebound_override (gfc_symtree*, gfc_symtree*);
4161 : void gfc_check_dtio_interfaces (gfc_symbol*);
4162 : gfc_symtree* gfc_find_typebound_dtio_proc (gfc_symbol *, bool, bool);
4163 : gfc_symbol* gfc_find_specific_dtio_proc (gfc_symbol*, bool, bool);
4164 : void gfc_get_formal_from_actual_arglist (gfc_symbol *, gfc_actual_arglist *);
4165 : bool gfc_compare_actual_formal (gfc_actual_arglist **, gfc_formal_arglist *,
4166 : int, int, bool, locus *);
4167 :
4168 :
4169 : /* io.cc */
4170 : extern gfc_st_label format_asterisk;
4171 :
4172 : void gfc_free_open (gfc_open *);
4173 : bool gfc_resolve_open (gfc_open *, locus *);
4174 : void gfc_free_close (gfc_close *);
4175 : bool gfc_resolve_close (gfc_close *, locus *);
4176 : void gfc_free_filepos (gfc_filepos *);
4177 : bool gfc_resolve_filepos (gfc_filepos *, locus *);
4178 : void gfc_free_inquire (gfc_inquire *);
4179 : bool gfc_resolve_inquire (gfc_inquire *);
4180 : void gfc_free_dt (gfc_dt *);
4181 : bool gfc_resolve_dt (gfc_code *, gfc_dt *, locus *);
4182 : void gfc_free_wait (gfc_wait *);
4183 : bool gfc_resolve_wait (gfc_wait *);
4184 :
4185 : /* module.cc */
4186 : void gfc_module_init_2 (void);
4187 : void gfc_module_done_2 (void);
4188 : void gfc_dump_module (const char *, int);
4189 : bool gfc_check_symbol_access (gfc_symbol *);
4190 : void gfc_free_use_stmts (gfc_use_list *);
4191 : void gfc_save_module_list ();
4192 : void gfc_restore_old_module_list ();
4193 : const char *gfc_dt_lower_string (const char *);
4194 : const char *gfc_dt_upper_string (const char *);
4195 :
4196 : /* primary.cc */
4197 : symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
4198 : symbol_attribute gfc_expr_attr (gfc_expr *);
4199 : symbol_attribute gfc_caf_attr (gfc_expr *, bool i = false, bool *r = NULL);
4200 : bool is_inquiry_ref (const char *, gfc_ref **);
4201 : match gfc_match_rvalue (gfc_expr **);
4202 : match gfc_match_varspec (gfc_expr*, int, bool, bool);
4203 : bool gfc_check_digit (char, int);
4204 : bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *);
4205 : bool gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *,
4206 : gfc_expr **,
4207 : gfc_actual_arglist **, bool);
4208 :
4209 : /* trans.cc */
4210 : void gfc_generate_code (gfc_namespace *);
4211 : void gfc_generate_module_code (gfc_namespace *);
4212 :
4213 : /* trans-intrinsic.cc */
4214 : bool gfc_inline_intrinsic_function_p (gfc_expr *);
4215 :
4216 : /* trans-openmp.cc */
4217 : int gfc_expr_list_len (gfc_expr_list *);
4218 :
4219 : /* bbt.cc */
4220 : typedef int (*compare_fn) (void *, void *);
4221 : void gfc_insert_bbt (void *, void *, compare_fn);
4222 : void * gfc_delete_bbt (void *, void *, compare_fn);
4223 :
4224 : /* dump-parse-tree.cc */
4225 : void gfc_dump_parse_tree (gfc_namespace *, FILE *);
4226 : void gfc_dump_c_prototypes (FILE *);
4227 : void gfc_dump_external_c_prototypes (FILE *);
4228 : void gfc_dump_global_symbols (FILE *);
4229 : void debug (gfc_symbol *);
4230 : void debug (gfc_expr *);
4231 :
4232 : /* parse.cc */
4233 : bool gfc_parse_file (void);
4234 : void gfc_global_used (gfc_gsymbol *, locus *);
4235 : gfc_namespace* gfc_build_block_ns (gfc_namespace *);
4236 : gfc_statement match_omp_directive (void);
4237 : bool is_omp_declarative_stmt (gfc_statement);
4238 :
4239 : /* dependency.cc */
4240 : int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool);
4241 : int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
4242 : bool gfc_dep_difference (gfc_expr *, gfc_expr *, mpz_t *);
4243 :
4244 : /* check.cc */
4245 : bool gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*);
4246 : bool gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*,
4247 : size_t*, size_t*, size_t*);
4248 : bool gfc_boz2int (gfc_expr *, int);
4249 : bool gfc_boz2uint (gfc_expr *, int);
4250 : bool gfc_boz2real (gfc_expr *, int);
4251 : bool gfc_invalid_boz (const char *, locus *);
4252 : bool gfc_invalid_null_arg (gfc_expr *);
4253 :
4254 : bool gfc_invalid_unsigned_ops (gfc_expr *, gfc_expr *);
4255 :
4256 : /* class.cc */
4257 : void gfc_fix_class_refs (gfc_expr *e);
4258 : void gfc_add_component_ref (gfc_expr *, const char *);
4259 : void gfc_add_class_array_ref (gfc_expr *);
4260 : #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
4261 : #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
4262 : #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
4263 : #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
4264 : #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
4265 : #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
4266 : #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
4267 : bool gfc_is_class_array_ref (gfc_expr *, bool *);
4268 : bool gfc_is_class_scalar_expr (gfc_expr *);
4269 : bool gfc_is_class_container_ref (gfc_expr *e);
4270 : gfc_expr *gfc_class_initializer (gfc_typespec *, gfc_expr *);
4271 : unsigned int gfc_hash_value (gfc_symbol *);
4272 : gfc_expr *gfc_get_len_component (gfc_expr *e, int);
4273 : bool gfc_build_class_symbol (gfc_typespec *, symbol_attribute *,
4274 : gfc_array_spec **);
4275 : void gfc_change_class (gfc_typespec *, symbol_attribute *,
4276 : gfc_array_spec *, int, int);
4277 : gfc_symbol *gfc_find_derived_vtab (gfc_symbol *);
4278 : gfc_symbol *gfc_find_vtab (gfc_typespec *);
4279 : gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, bool*,
4280 : const char*, bool, locus*);
4281 : gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, bool*,
4282 : const char*, bool, locus*);
4283 : gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, bool*,
4284 : gfc_intrinsic_op, bool,
4285 : locus*);
4286 : gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*);
4287 : bool gfc_is_finalizable (gfc_symbol *, gfc_expr **);
4288 : bool gfc_may_be_finalized (gfc_typespec);
4289 :
4290 : #define CLASS_DATA(sym) sym->ts.u.derived->components
4291 : #define UNLIMITED_POLY(sym) \
4292 : (sym != NULL && sym->ts.type == BT_CLASS \
4293 : && CLASS_DATA (sym) \
4294 : && CLASS_DATA (sym)->ts.u.derived \
4295 : && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
4296 : #define IS_CLASS_ARRAY(sym) \
4297 : (sym->ts.type == BT_CLASS \
4298 : && CLASS_DATA (sym) \
4299 : && CLASS_DATA (sym)->attr.dimension \
4300 : && !CLASS_DATA (sym)->attr.class_pointer)
4301 : #define IS_CLASS_COARRAY_OR_ARRAY(sym) \
4302 : (sym->ts.type == BT_CLASS && CLASS_DATA (sym) \
4303 : && (CLASS_DATA (sym)->attr.dimension \
4304 : || CLASS_DATA (sym)->attr.codimension) \
4305 : && !CLASS_DATA (sym)->attr.class_pointer)
4306 : #define IS_POINTER(sym) \
4307 : (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \
4308 : ? CLASS_DATA (sym)->attr.class_pointer : sym->attr.pointer)
4309 : #define IS_PROC_POINTER(sym) \
4310 : (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \
4311 : ? CLASS_DATA (sym)->attr.proc_pointer : sym->attr.proc_pointer)
4312 : #define IS_INFERRED_TYPE(expr) \
4313 : (expr && expr->expr_type == EXPR_VARIABLE \
4314 : && expr->symtree->n.sym->assoc \
4315 : && expr->symtree->n.sym->assoc->inferred_type)
4316 : #define PDT_PREFIX "PDT"
4317 : #define PDT_PREFIX_LEN 3
4318 : #define IS_PDT(sym) \
4319 : (sym != NULL && sym->ts.type == BT_DERIVED \
4320 : && sym->ts.u.derived \
4321 : && sym->ts.u.derived->attr.pdt_type)
4322 : #define IS_CLASS_PDT(sym) \
4323 : (sym != NULL && sym->ts.type == BT_CLASS \
4324 : && CLASS_DATA (sym) \
4325 : && CLASS_DATA (sym)->ts.u.derived \
4326 : && CLASS_DATA (sym)->ts.u.derived->attr.pdt_type)
4327 :
4328 : /* frontend-passes.cc */
4329 :
4330 : void gfc_run_passes (gfc_namespace *);
4331 :
4332 : typedef int (*walk_code_fn_t) (gfc_code **, int *, void *);
4333 : typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *);
4334 :
4335 : int gfc_dummy_code_callback (gfc_code **, int *, void *);
4336 : int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *);
4337 : int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *);
4338 : bool gfc_has_dimen_vector_ref (gfc_expr *e);
4339 : void gfc_check_externals (gfc_namespace *);
4340 : bool gfc_fix_implicit_pure (gfc_namespace *);
4341 :
4342 : /* simplify.cc */
4343 :
4344 : void gfc_convert_mpz_to_signed (mpz_t, int);
4345 : gfc_expr *gfc_simplify_ieee_functions (gfc_expr *);
4346 : bool gfc_is_constant_array_expr (gfc_expr *);
4347 : bool gfc_is_size_zero_array (gfc_expr *);
4348 : void gfc_convert_mpz_to_unsigned (mpz_t, int, bool sign = true);
4349 :
4350 : /* trans-array.cc */
4351 :
4352 : bool gfc_is_reallocatable_lhs (gfc_expr *);
4353 :
4354 : /* trans-decl.cc */
4355 :
4356 : void finish_oacc_declare (gfc_namespace *, gfc_symbol *, bool);
4357 : void gfc_adjust_builtins (void);
4358 : void gfc_add_caf_accessor (gfc_expr *, gfc_expr *);
4359 :
4360 : #endif /* GCC_GFORTRAN_H */
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