Line data Source code
1 : /* gfortran header file
2 : Copyright (C) 2000-2026 Free Software Foundation, Inc.
3 : Contributed by Andy Vaught
4 :
5 : This file is part of GCC.
6 :
7 : GCC is free software; you can redistribute it and/or modify it under
8 : the terms of the GNU General Public License as published by the Free
9 : Software Foundation; either version 3, or (at your option) any later
10 : version.
11 :
12 : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 : WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 : for more details.
16 :
17 : You should have received a copy of the GNU General Public License
18 : along with GCC; see the file COPYING3. If not see
19 : <http://www.gnu.org/licenses/>. */
20 :
21 : #ifndef GCC_GFORTRAN_H
22 : #define GCC_GFORTRAN_H
23 :
24 : /* It's probably insane to have this large of a header file, but it
25 : seemed like everything had to be recompiled anyway when a change
26 : was made to a header file, and there were ordering issues with
27 : multiple header files. Besides, Microsoft's winnt.h was 250k last
28 : time I looked, so by comparison this is perfectly reasonable. */
29 :
30 : #ifndef GCC_CORETYPES_H
31 : #error "gfortran.h must be included after coretypes.h"
32 : #endif
33 :
34 : /* In order for the format checking to accept the Fortran front end
35 : diagnostic framework extensions, you must include this file before
36 : diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
37 : in c-common.h. */
38 : #undef GCC_DIAG_STYLE
39 : #define GCC_DIAG_STYLE __gcc_gfc__
40 : #if defined(GCC_DIAGNOSTIC_CORE_H)
41 : #error \
42 : In order for the format checking to accept the Fortran front end diagnostic \
43 : framework extensions, you must include this file before diagnostic-core.h, \
44 : not after.
45 : #endif
46 :
47 : /* Declarations common to the front-end and library are put in
48 : libgfortran/libgfortran_frontend.h */
49 : #include "libgfortran.h"
50 :
51 :
52 : #include "intl.h"
53 : #include "splay-tree.h"
54 :
55 : /* Major control parameters. */
56 :
57 : #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
58 : #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
59 :
60 : #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
61 :
62 :
63 : #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
64 :
65 : /* Macros to check for groups of structure-like types and flavors since
66 : derived types, structures, maps, unions are often treated similarly. */
67 : #define gfc_bt_struct(t) \
68 : ((t) == BT_DERIVED || (t) == BT_UNION)
69 : #define gfc_fl_struct(f) \
70 : ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT)
71 : #define case_bt_struct case BT_DERIVED: case BT_UNION
72 : #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT
73 :
74 : /* Stringization. */
75 : #define stringize(x) expand_macro(x)
76 : #define expand_macro(x) # x
77 :
78 : /* For the runtime library, a standard prefix is a requirement to
79 : avoid cluttering the namespace with things nobody asked for. It's
80 : ugly to look at and a pain to type when you add the prefix by hand,
81 : so we hide it behind a macro. */
82 : #define PREFIX(x) "_gfortran_" x
83 : #define PREFIX_LEN 10
84 :
85 : /* A prefix for internal variables, which are not user-visible. */
86 : #if !defined (NO_DOT_IN_LABEL)
87 : # define GFC_PREFIX(x) "_F." x
88 : #elif !defined (NO_DOLLAR_IN_LABEL)
89 : # define GFC_PREFIX(x) "_F$" x
90 : #else
91 : # define GFC_PREFIX(x) "_F_" x
92 : #endif
93 :
94 : #define BLANK_COMMON_NAME "__BLNK__"
95 :
96 : /* Macro to initialize an mstring structure. */
97 : #define minit(s, t) { s, NULL, t }
98 :
99 : /* Structure for storing strings to be matched by gfc_match_string. */
100 : typedef struct
101 : {
102 : const char *string;
103 : const char *mp;
104 : int tag;
105 : }
106 : mstring;
107 :
108 : /* ISO_Fortran_binding.h
109 : CAUTION: This has to be kept in sync with libgfortran. */
110 :
111 : #define CFI_type_kind_shift 8
112 : #define CFI_type_mask 0xFF
113 : #define CFI_type_from_type_kind(t, k) (t + (k << CFI_type_kind_shift))
114 :
115 : /* Constants, defined as macros. */
116 : #define CFI_VERSION 1
117 : #define CFI_MAX_RANK 15
118 :
119 : /* Attributes. */
120 : #define CFI_attribute_pointer 0
121 : #define CFI_attribute_allocatable 1
122 : #define CFI_attribute_other 2
123 :
124 : #define CFI_type_mask 0xFF
125 : #define CFI_type_kind_shift 8
126 :
127 : /* Intrinsic types. Their kind number defines their storage size. */
128 : #define CFI_type_Integer 1
129 : #define CFI_type_Logical 2
130 : #define CFI_type_Real 3
131 : #define CFI_type_Complex 4
132 : #define CFI_type_Character 5
133 :
134 : /* Combined type (for more, see ISO_Fortran_binding.h). */
135 : #define CFI_type_ucs4_char (CFI_type_Character + (4 << CFI_type_kind_shift))
136 :
137 : /* Types with no kind. */
138 : #define CFI_type_struct 6
139 : #define CFI_type_cptr 7
140 : #define CFI_type_cfunptr 8
141 : #define CFI_type_other -1
142 :
143 :
144 : /*************************** Enums *****************************/
145 :
146 : /* Used when matching and resolving data I/O transfer statements. */
147 :
148 : enum io_kind
149 : { M_READ, M_WRITE, M_PRINT, M_INQUIRE };
150 :
151 :
152 : /* These are flags for identifying whether we are reading a character literal
153 : between quotes or normal source code. */
154 :
155 : enum gfc_instring
156 : { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN };
157 :
158 : /* This is returned by gfc_notification_std to know if, given the flags
159 : that were given (-std=, -pedantic) we should issue an error, a warning
160 : or nothing. */
161 :
162 : enum notification
163 : { SILENT, WARNING, ERROR };
164 :
165 : /* Matchers return one of these three values. The difference between
166 : MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
167 : successful, but that something non-syntactic is wrong and an error
168 : has already been issued. */
169 :
170 : enum match
171 : { MATCH_NO = 1, MATCH_YES, MATCH_ERROR };
172 :
173 : /* Used for different Fortran source forms in places like scanner.cc. */
174 : enum gfc_source_form
175 : { FORM_FREE, FORM_FIXED, FORM_UNKNOWN };
176 :
177 : /* Expression node types. */
178 : enum expr_t
179 : {
180 : EXPR_UNKNOWN = 0,
181 : EXPR_OP = 1,
182 : EXPR_FUNCTION,
183 : EXPR_CONSTANT,
184 : EXPR_VARIABLE,
185 : EXPR_SUBSTRING,
186 : EXPR_STRUCTURE,
187 : EXPR_ARRAY,
188 : EXPR_NULL,
189 : EXPR_COMPCALL,
190 : EXPR_PPC,
191 : EXPR_CONDITIONAL,
192 : };
193 :
194 : /* Array types. */
195 : enum array_type
196 : { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
197 : AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_ASSUMED_RANK,
198 : AS_UNKNOWN
199 : };
200 :
201 : enum ar_type
202 : { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN };
203 :
204 : /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
205 : related to shared DO terminations and DO targets which are neither END DO
206 : nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
207 : enum gfc_sl_type
208 : { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, ST_LABEL_DO_TARGET,
209 : ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT
210 : };
211 :
212 : /* Intrinsic operators. */
213 : enum gfc_intrinsic_op
214 : { GFC_INTRINSIC_BEGIN = 0,
215 : INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN,
216 : INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES,
217 : INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT,
218 : INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV,
219 : /* ==, /=, >, >=, <, <= */
220 : INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE,
221 : INTRINSIC_LT, INTRINSIC_LE,
222 : /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
223 : INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS,
224 : INTRINSIC_LT_OS, INTRINSIC_LE_OS,
225 : INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, INTRINSIC_PARENTHESES,
226 : GFC_INTRINSIC_END, /* Sentinel */
227 : /* User defined derived type pseudo operators. These are set beyond the
228 : sentinel so that they are excluded from module_read and module_write. */
229 : INTRINSIC_FORMATTED, INTRINSIC_UNFORMATTED
230 : };
231 :
232 : /* This macro is the number of intrinsic operators that exist.
233 : Assumptions are made about the numbering of the interface_op enums. */
234 : #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
235 :
236 : /* Arithmetic results. ARITH_NOT_REDUCED is used to keep track of expressions
237 : that were not reduced by the arithmetic evaluation code. */
238 : enum arith
239 : { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN,
240 : ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT,
241 : ARITH_WRONGCONCAT, ARITH_INVALID_TYPE, ARITH_NOT_REDUCED,
242 : ARITH_UNSIGNED_TRUNCATED, ARITH_UNSIGNED_NEGATIVE
243 : };
244 :
245 : /* Statements. */
246 : enum gfc_statement
247 : {
248 : ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE,
249 : ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA,
250 : ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE,
251 : ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF,
252 : ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA,
253 : ST_ENDDO, ST_IMPLIED_ENDDO, ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL,
254 : ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, ST_END_MODULE, ST_END_SUBMODULE,
255 : ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE,
256 : ST_ENTRY, ST_EQUIVALENCE, ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK,
257 : ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE,
258 : ST_IMPORT, ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY,
259 : ST_SYNC_IMAGES, ST_PARAMETER, ST_MODULE, ST_SUBMODULE, ST_MODULE_PROC,
260 : ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC,
261 : ST_READ, ST_RETURN, ST_REWIND, ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE,
262 : ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, ST_WRITE, ST_ASSIGNMENT,
263 : ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF,
264 : ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_ENUM,
265 : ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS,
266 : ST_SELECT_RANK, ST_RANK, ST_STRUCTURE_DECL, ST_END_STRUCTURE,
267 : ST_UNION, ST_END_UNION, ST_MAP, ST_END_MAP,
268 : ST_OACC_PARALLEL_LOOP, ST_OACC_END_PARALLEL_LOOP, ST_OACC_PARALLEL,
269 : ST_OACC_END_PARALLEL, ST_OACC_KERNELS, ST_OACC_END_KERNELS, ST_OACC_DATA,
270 : ST_OACC_END_DATA, ST_OACC_HOST_DATA, ST_OACC_END_HOST_DATA, ST_OACC_LOOP,
271 : ST_OACC_END_LOOP, ST_OACC_DECLARE, ST_OACC_UPDATE, ST_OACC_WAIT,
272 : ST_OACC_CACHE, ST_OACC_KERNELS_LOOP, ST_OACC_END_KERNELS_LOOP,
273 : ST_OACC_SERIAL_LOOP, ST_OACC_END_SERIAL_LOOP, ST_OACC_SERIAL,
274 : ST_OACC_END_SERIAL, ST_OACC_ENTER_DATA, ST_OACC_EXIT_DATA, ST_OACC_ROUTINE,
275 : ST_OACC_ATOMIC, ST_OACC_END_ATOMIC,
276 : ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC,
277 : ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED,
278 : ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS,
279 : ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE,
280 : ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
281 : ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
282 : ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE,
283 : ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK,
284 : ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_OMP_CANCEL, ST_OMP_CANCELLATION_POINT,
285 : ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP, ST_OMP_SIMD, ST_OMP_END_SIMD,
286 : ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD, ST_OMP_PARALLEL_DO_SIMD,
287 : ST_OMP_END_PARALLEL_DO_SIMD, ST_OMP_DECLARE_SIMD, ST_OMP_DECLARE_MAPPER,
288 : ST_OMP_DECLARE_REDUCTION, ST_OMP_TARGET, ST_OMP_END_TARGET,
289 : ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA,
290 : ST_OMP_TARGET_UPDATE, ST_OMP_DECLARE_TARGET, ST_OMP_DECLARE_VARIANT,
291 : ST_OMP_TEAMS, ST_OMP_END_TEAMS, ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE,
292 : ST_OMP_DISTRIBUTE_SIMD, ST_OMP_END_DISTRIBUTE_SIMD,
293 : ST_OMP_DISTRIBUTE_PARALLEL_DO, ST_OMP_END_DISTRIBUTE_PARALLEL_DO,
294 : ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD,
295 : ST_OMP_TARGET_TEAMS, ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
296 : ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
297 : ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
298 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
299 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
300 : ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
301 : ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
302 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
303 : ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
304 : ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
305 : ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
306 : ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
307 : ST_OMP_TARGET_PARALLEL, ST_OMP_END_TARGET_PARALLEL,
308 : ST_OMP_TARGET_PARALLEL_DO, ST_OMP_END_TARGET_PARALLEL_DO,
309 : ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_END_TARGET_PARALLEL_DO_SIMD,
310 : ST_OMP_TARGET_ENTER_DATA, ST_OMP_TARGET_EXIT_DATA,
311 : ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD,
312 : ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP, ST_OMP_SCAN, ST_OMP_DEPOBJ,
313 : ST_OMP_TASKLOOP_SIMD, ST_OMP_END_TASKLOOP_SIMD, ST_OMP_ORDERED_DEPEND,
314 : ST_OMP_REQUIRES, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL,
315 : ST_OMP_GROUPPRIVATE,
316 : ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_EVENT_POST,
317 : ST_EVENT_WAIT, ST_FAIL_IMAGE, ST_FORM_TEAM, ST_CHANGE_TEAM,
318 : ST_END_TEAM, ST_SYNC_TEAM, ST_OMP_PARALLEL_MASTER,
319 : ST_OMP_END_PARALLEL_MASTER, ST_OMP_PARALLEL_MASTER_TASKLOOP,
320 : ST_OMP_END_PARALLEL_MASTER_TASKLOOP, ST_OMP_PARALLEL_MASTER_TASKLOOP_SIMD,
321 : ST_OMP_END_PARALLEL_MASTER_TASKLOOP_SIMD, ST_OMP_MASTER_TASKLOOP,
322 : ST_OMP_END_MASTER_TASKLOOP, ST_OMP_MASTER_TASKLOOP_SIMD,
323 : ST_OMP_END_MASTER_TASKLOOP_SIMD, ST_OMP_LOOP, ST_OMP_END_LOOP,
324 : ST_OMP_PARALLEL_LOOP, ST_OMP_END_PARALLEL_LOOP, ST_OMP_TEAMS_LOOP,
325 : ST_OMP_END_TEAMS_LOOP, ST_OMP_TARGET_PARALLEL_LOOP,
326 : ST_OMP_END_TARGET_PARALLEL_LOOP, ST_OMP_TARGET_TEAMS_LOOP,
327 : ST_OMP_END_TARGET_TEAMS_LOOP, ST_OMP_MASKED, ST_OMP_END_MASKED,
328 : ST_OMP_PARALLEL_MASKED, ST_OMP_END_PARALLEL_MASKED,
329 : ST_OMP_PARALLEL_MASKED_TASKLOOP, ST_OMP_END_PARALLEL_MASKED_TASKLOOP,
330 : ST_OMP_PARALLEL_MASKED_TASKLOOP_SIMD,
331 : ST_OMP_END_PARALLEL_MASKED_TASKLOOP_SIMD, ST_OMP_MASKED_TASKLOOP,
332 : ST_OMP_END_MASKED_TASKLOOP, ST_OMP_MASKED_TASKLOOP_SIMD,
333 : ST_OMP_END_MASKED_TASKLOOP_SIMD, ST_OMP_SCOPE, ST_OMP_END_SCOPE,
334 : ST_OMP_METADIRECTIVE, ST_OMP_BEGIN_METADIRECTIVE, ST_OMP_END_METADIRECTIVE,
335 : ST_OMP_ERROR, ST_OMP_ASSUME, ST_OMP_END_ASSUME, ST_OMP_ASSUMES,
336 : ST_OMP_ALLOCATE, ST_OMP_ALLOCATE_EXEC,
337 : ST_OMP_ALLOCATORS, ST_OMP_END_ALLOCATORS,
338 : /* Note: gfc_match_omp_nothing returns ST_NONE. */
339 : ST_OMP_NOTHING, ST_NONE,
340 : ST_OMP_UNROLL, ST_OMP_END_UNROLL,
341 : ST_OMP_TILE, ST_OMP_END_TILE, ST_OMP_INTEROP, ST_OMP_DISPATCH,
342 : ST_OMP_END_DISPATCH
343 : };
344 :
345 : /* Types of interfaces that we can have. Assignment interfaces are
346 : considered to be intrinsic operators. */
347 : enum interface_type
348 : {
349 : INTERFACE_NAMELESS = 1, INTERFACE_GENERIC,
350 : INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT,
351 : INTERFACE_DTIO
352 : };
353 :
354 : /* Symbol flavors: these are all mutually exclusive.
355 : 12 elements = 4 bits. */
356 : enum sym_flavor
357 : {
358 : FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE,
359 : FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST,
360 : FL_UNION, FL_STRUCT, FL_VOID
361 : };
362 :
363 : /* Procedure types. 7 elements = 3 bits. */
364 : enum procedure_type
365 : { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY,
366 : PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL
367 : };
368 :
369 : /* Intent types. Note that these values are also used in another enum in
370 : decl.cc (match_attr_spec). */
371 : enum sym_intent
372 : { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT
373 : };
374 :
375 : /* Access types. */
376 : enum gfc_access
377 : { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE
378 : };
379 :
380 : /* Flags to keep track of where an interface came from.
381 : 3 elements = 2 bits. */
382 : enum ifsrc
383 : { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */
384 : IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */
385 : IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement
386 : with explicit interface. */
387 : };
388 :
389 : /* Whether a SAVE attribute was set explicitly or implicitly. */
390 : enum save_state
391 : { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT
392 : };
393 :
394 : /* OpenACC 'routine' directive's level of parallelism. */
395 : enum oacc_routine_lop
396 : { OACC_ROUTINE_LOP_NONE = 0,
397 : OACC_ROUTINE_LOP_GANG,
398 : OACC_ROUTINE_LOP_WORKER,
399 : OACC_ROUTINE_LOP_VECTOR,
400 : OACC_ROUTINE_LOP_SEQ,
401 : OACC_ROUTINE_LOP_ERROR
402 : };
403 :
404 : /* How a variable gets its value. Ordering is significant. */
405 :
406 : enum value_set
407 : { VALUE_UNSET = 0,
408 : VALUE_INTENT_OUT,
409 : VALUE_ARG,
410 : VALUE_READ,
411 : VALUE_VARDEF
412 : };
413 :
414 : /* How a variable's value is used. */
415 : enum value_used
416 : {
417 : VALUE_UNUSED = 0,
418 : VALUE_MAYBE_USED,
419 : VALUE_INTENT_IN,
420 : VALUE_VALUE_ARG,
421 : VALUE_USED
422 : };
423 :
424 : /* Strings for all symbol attributes. We use these for dumping the
425 : parse tree, in error messages, and also when reading and writing
426 : modules. In symbol.cc. */
427 : extern const mstring flavors[];
428 : extern const mstring procedures[];
429 : extern const mstring intents[];
430 : extern const mstring access_types[];
431 : extern const mstring ifsrc_types[];
432 : extern const mstring save_status[];
433 :
434 : /* Strings for DTIO procedure names. In symbol.cc. */
435 : extern const mstring dtio_procs[];
436 :
437 : enum dtio_codes
438 : { DTIO_RF = 0, DTIO_WF, DTIO_RUF, DTIO_WUF };
439 :
440 : /* Enumeration of all the generic intrinsic functions. Used by the
441 : backend for identification of a function. */
442 :
443 : enum gfc_isym_id
444 : {
445 : /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
446 : the backend (e.g. KIND). */
447 : GFC_ISYM_NONE = 0,
448 : GFC_ISYM_ABORT,
449 : GFC_ISYM_ABS,
450 : GFC_ISYM_ACCESS,
451 : GFC_ISYM_ACHAR,
452 : GFC_ISYM_ACOS,
453 : GFC_ISYM_ACOSD,
454 : GFC_ISYM_ACOSH,
455 : GFC_ISYM_ADJUSTL,
456 : GFC_ISYM_ADJUSTR,
457 : GFC_ISYM_AIMAG,
458 : GFC_ISYM_AINT,
459 : GFC_ISYM_ALARM,
460 : GFC_ISYM_ALL,
461 : GFC_ISYM_ALLOCATED,
462 : GFC_ISYM_AND,
463 : GFC_ISYM_ANINT,
464 : GFC_ISYM_ANY,
465 : GFC_ISYM_ASIN,
466 : GFC_ISYM_ASIND,
467 : GFC_ISYM_ASINH,
468 : GFC_ISYM_ASSOCIATED,
469 : GFC_ISYM_ATAN,
470 : GFC_ISYM_ATAN2,
471 : GFC_ISYM_ATAN2D,
472 : GFC_ISYM_ATAND,
473 : GFC_ISYM_ATANH,
474 : GFC_ISYM_ATOMIC_ADD,
475 : GFC_ISYM_ATOMIC_AND,
476 : GFC_ISYM_ATOMIC_CAS,
477 : GFC_ISYM_ATOMIC_DEF,
478 : GFC_ISYM_ATOMIC_FETCH_ADD,
479 : GFC_ISYM_ATOMIC_FETCH_AND,
480 : GFC_ISYM_ATOMIC_FETCH_OR,
481 : GFC_ISYM_ATOMIC_FETCH_XOR,
482 : GFC_ISYM_ATOMIC_OR,
483 : GFC_ISYM_ATOMIC_REF,
484 : GFC_ISYM_ATOMIC_XOR,
485 : GFC_ISYM_BGE,
486 : GFC_ISYM_BGT,
487 : GFC_ISYM_BIT_SIZE,
488 : GFC_ISYM_BLE,
489 : GFC_ISYM_BLT,
490 : GFC_ISYM_BTEST,
491 : GFC_ISYM_CAF_GET,
492 : GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE,
493 : GFC_ISYM_CAF_SEND,
494 : GFC_ISYM_CAF_SENDGET,
495 : GFC_ISYM_CEILING,
496 : GFC_ISYM_CHAR,
497 : GFC_ISYM_CHDIR,
498 : GFC_ISYM_CHMOD,
499 : GFC_ISYM_CMPLX,
500 : GFC_ISYM_CO_BROADCAST,
501 : GFC_ISYM_CO_MAX,
502 : GFC_ISYM_CO_MIN,
503 : GFC_ISYM_CO_REDUCE,
504 : GFC_ISYM_CO_SUM,
505 : GFC_ISYM_COMMAND_ARGUMENT_COUNT,
506 : GFC_ISYM_COMPILER_OPTIONS,
507 : GFC_ISYM_COMPILER_VERSION,
508 : GFC_ISYM_COMPLEX,
509 : GFC_ISYM_CONJG,
510 : GFC_ISYM_CONVERSION,
511 : GFC_ISYM_COS,
512 : GFC_ISYM_COSD,
513 : GFC_ISYM_COSH,
514 : GFC_ISYM_COSHAPE,
515 : GFC_ISYM_COTAN,
516 : GFC_ISYM_COTAND,
517 : GFC_ISYM_COUNT,
518 : GFC_ISYM_CPU_TIME,
519 : GFC_ISYM_CSHIFT,
520 : GFC_ISYM_CTIME,
521 : GFC_ISYM_C_ASSOCIATED,
522 : GFC_ISYM_C_F_POINTER,
523 : GFC_ISYM_C_F_PROCPOINTER,
524 : GFC_ISYM_C_F_STRPOINTER,
525 : GFC_ISYM_C_FUNLOC,
526 : GFC_ISYM_C_LOC,
527 : GFC_ISYM_C_SIZEOF,
528 : GFC_ISYM_DATE_AND_TIME,
529 : GFC_ISYM_DBLE,
530 : GFC_ISYM_DFLOAT,
531 : GFC_ISYM_DIGITS,
532 : GFC_ISYM_DIM,
533 : GFC_ISYM_DOT_PRODUCT,
534 : GFC_ISYM_DPROD,
535 : GFC_ISYM_DSHIFTL,
536 : GFC_ISYM_DSHIFTR,
537 : GFC_ISYM_DTIME,
538 : GFC_ISYM_EOSHIFT,
539 : GFC_ISYM_EPSILON,
540 : GFC_ISYM_ERF,
541 : GFC_ISYM_ERFC,
542 : GFC_ISYM_ERFC_SCALED,
543 : GFC_ISYM_ETIME,
544 : GFC_ISYM_EVENT_QUERY,
545 : GFC_ISYM_EXECUTE_COMMAND_LINE,
546 : GFC_ISYM_EXIT,
547 : GFC_ISYM_EXP,
548 : GFC_ISYM_EXPONENT,
549 : GFC_ISYM_EXTENDS_TYPE_OF,
550 : GFC_ISYM_F_C_STRING,
551 : GFC_ISYM_FAILED_IMAGES,
552 : GFC_ISYM_FDATE,
553 : GFC_ISYM_FE_RUNTIME_ERROR,
554 : GFC_ISYM_FGET,
555 : GFC_ISYM_FGETC,
556 : GFC_ISYM_FINDLOC,
557 : GFC_ISYM_FLOAT,
558 : GFC_ISYM_FLOOR,
559 : GFC_ISYM_FLUSH,
560 : GFC_ISYM_FNUM,
561 : GFC_ISYM_FPUT,
562 : GFC_ISYM_FPUTC,
563 : GFC_ISYM_FRACTION,
564 : GFC_ISYM_FREE,
565 : GFC_ISYM_FSEEK,
566 : GFC_ISYM_FSTAT,
567 : GFC_ISYM_FTELL,
568 : GFC_ISYM_TGAMMA,
569 : GFC_ISYM_GERROR,
570 : GFC_ISYM_GETARG,
571 : GFC_ISYM_GET_COMMAND,
572 : GFC_ISYM_GET_COMMAND_ARGUMENT,
573 : GFC_ISYM_GETCWD,
574 : GFC_ISYM_GETENV,
575 : GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
576 : GFC_ISYM_GETGID,
577 : GFC_ISYM_GETLOG,
578 : GFC_ISYM_GETPID,
579 : GFC_ISYM_GET_TEAM,
580 : GFC_ISYM_GETUID,
581 : GFC_ISYM_GMTIME,
582 : GFC_ISYM_HOSTNM,
583 : GFC_ISYM_HUGE,
584 : GFC_ISYM_HYPOT,
585 : GFC_ISYM_IACHAR,
586 : GFC_ISYM_IALL,
587 : GFC_ISYM_IAND,
588 : GFC_ISYM_IANY,
589 : GFC_ISYM_IARGC,
590 : GFC_ISYM_IBCLR,
591 : GFC_ISYM_IBITS,
592 : GFC_ISYM_IBSET,
593 : GFC_ISYM_ICHAR,
594 : GFC_ISYM_IDATE,
595 : GFC_ISYM_IEOR,
596 : GFC_ISYM_IERRNO,
597 : GFC_ISYM_IMAGE_INDEX,
598 : GFC_ISYM_IMAGE_STATUS,
599 : GFC_ISYM_INDEX,
600 : GFC_ISYM_INT,
601 : GFC_ISYM_INT2,
602 : GFC_ISYM_INT8,
603 : GFC_ISYM_IOR,
604 : GFC_ISYM_IPARITY,
605 : GFC_ISYM_IRAND,
606 : GFC_ISYM_ISATTY,
607 : GFC_ISYM_IS_CONTIGUOUS,
608 : GFC_ISYM_IS_IOSTAT_END,
609 : GFC_ISYM_IS_IOSTAT_EOR,
610 : GFC_ISYM_ISNAN,
611 : GFC_ISYM_ISHFT,
612 : GFC_ISYM_ISHFTC,
613 : GFC_ISYM_ITIME,
614 : GFC_ISYM_J0,
615 : GFC_ISYM_J1,
616 : GFC_ISYM_JN,
617 : GFC_ISYM_JN2,
618 : GFC_ISYM_KILL,
619 : GFC_ISYM_KIND,
620 : GFC_ISYM_LBOUND,
621 : GFC_ISYM_LCOBOUND,
622 : GFC_ISYM_LEADZ,
623 : GFC_ISYM_LEN,
624 : GFC_ISYM_LEN_TRIM,
625 : GFC_ISYM_LGAMMA,
626 : GFC_ISYM_LGE,
627 : GFC_ISYM_LGT,
628 : GFC_ISYM_LINK,
629 : GFC_ISYM_LLE,
630 : GFC_ISYM_LLT,
631 : GFC_ISYM_LOC,
632 : GFC_ISYM_LOG,
633 : GFC_ISYM_LOG10,
634 : GFC_ISYM_LOGICAL,
635 : GFC_ISYM_LONG,
636 : GFC_ISYM_LSHIFT,
637 : GFC_ISYM_LSTAT,
638 : GFC_ISYM_LTIME,
639 : GFC_ISYM_MALLOC,
640 : GFC_ISYM_MASKL,
641 : GFC_ISYM_MASKR,
642 : GFC_ISYM_MATMUL,
643 : GFC_ISYM_MAX,
644 : GFC_ISYM_MAXEXPONENT,
645 : GFC_ISYM_MAXLOC,
646 : GFC_ISYM_MAXVAL,
647 : GFC_ISYM_MCLOCK,
648 : GFC_ISYM_MCLOCK8,
649 : GFC_ISYM_MERGE,
650 : GFC_ISYM_MERGE_BITS,
651 : GFC_ISYM_MIN,
652 : GFC_ISYM_MINEXPONENT,
653 : GFC_ISYM_MINLOC,
654 : GFC_ISYM_MINVAL,
655 : GFC_ISYM_MOD,
656 : GFC_ISYM_MODULO,
657 : GFC_ISYM_MOVE_ALLOC,
658 : GFC_ISYM_MVBITS,
659 : GFC_ISYM_NEAREST,
660 : GFC_ISYM_NEW_LINE,
661 : GFC_ISYM_NINT,
662 : GFC_ISYM_NORM2,
663 : GFC_ISYM_NOT,
664 : GFC_ISYM_NULL,
665 : GFC_ISYM_NUM_IMAGES,
666 : GFC_ISYM_OR,
667 : GFC_ISYM_OUT_OF_RANGE,
668 : GFC_ISYM_PACK,
669 : GFC_ISYM_PARITY,
670 : GFC_ISYM_PERROR,
671 : GFC_ISYM_POPCNT,
672 : GFC_ISYM_POPPAR,
673 : GFC_ISYM_PRECISION,
674 : GFC_ISYM_PRESENT,
675 : GFC_ISYM_PRODUCT,
676 : GFC_ISYM_RADIX,
677 : GFC_ISYM_RAND,
678 : GFC_ISYM_RANDOM_INIT,
679 : GFC_ISYM_RANDOM_NUMBER,
680 : GFC_ISYM_RANDOM_SEED,
681 : GFC_ISYM_RANGE,
682 : GFC_ISYM_RANK,
683 : GFC_ISYM_REAL,
684 : GFC_ISYM_REALPART,
685 : GFC_ISYM_REDUCE,
686 : GFC_ISYM_RENAME,
687 : GFC_ISYM_REPEAT,
688 : GFC_ISYM_RESHAPE,
689 : GFC_ISYM_RRSPACING,
690 : GFC_ISYM_RSHIFT,
691 : GFC_ISYM_SAME_TYPE_AS,
692 : GFC_ISYM_SC_KIND,
693 : GFC_ISYM_SCALE,
694 : GFC_ISYM_SCAN,
695 : GFC_ISYM_SECNDS,
696 : GFC_ISYM_SECOND,
697 : GFC_ISYM_SET_EXPONENT,
698 : GFC_ISYM_SHAPE,
699 : GFC_ISYM_SHIFTA,
700 : GFC_ISYM_SHIFTL,
701 : GFC_ISYM_SHIFTR,
702 : GFC_ISYM_BACKTRACE,
703 : GFC_ISYM_SIGN,
704 : GFC_ISYM_SIGNAL,
705 : GFC_ISYM_SI_KIND,
706 : GFC_ISYM_SIN,
707 : GFC_ISYM_SIND,
708 : GFC_ISYM_SINH,
709 : GFC_ISYM_SIZE,
710 : GFC_ISYM_SL_KIND,
711 : GFC_ISYM_SLEEP,
712 : GFC_ISYM_SIZEOF,
713 : GFC_ISYM_SNGL,
714 : GFC_ISYM_SPACING,
715 : GFC_ISYM_SPREAD,
716 : GFC_ISYM_SQRT,
717 : GFC_ISYM_SRAND,
718 : GFC_ISYM_SR_KIND,
719 : GFC_ISYM_STAT,
720 : GFC_ISYM_STOPPED_IMAGES,
721 : GFC_ISYM_STORAGE_SIZE,
722 : GFC_ISYM_STRIDE,
723 : GFC_ISYM_SUM,
724 : GFC_ISYM_SYMLINK,
725 : GFC_ISYM_SYMLNK,
726 : GFC_ISYM_SYSTEM,
727 : GFC_ISYM_SYSTEM_CLOCK,
728 : GFC_ISYM_TAN,
729 : GFC_ISYM_TAND,
730 : GFC_ISYM_TANH,
731 : GFC_ISYM_TEAM_NUMBER,
732 : GFC_ISYM_THIS_IMAGE,
733 : GFC_ISYM_TIME,
734 : GFC_ISYM_TIME8,
735 : GFC_ISYM_TINY,
736 : GFC_ISYM_TRAILZ,
737 : GFC_ISYM_TRANSFER,
738 : GFC_ISYM_TRANSPOSE,
739 : GFC_ISYM_TRIM,
740 : GFC_ISYM_TTYNAM,
741 : GFC_ISYM_UBOUND,
742 : GFC_ISYM_UCOBOUND,
743 : GFC_ISYM_UMASK,
744 : GFC_ISYM_UMASKL,
745 : GFC_ISYM_UMASKR,
746 : GFC_ISYM_UNLINK,
747 : GFC_ISYM_UNPACK,
748 : GFC_ISYM_VERIFY,
749 : GFC_ISYM_XOR,
750 : GFC_ISYM_Y0,
751 : GFC_ISYM_Y1,
752 : GFC_ISYM_YN,
753 : GFC_ISYM_YN2,
754 :
755 : /* Add this at the end, so maybe the module format
756 : remains compatible. */
757 : GFC_ISYM_SU_KIND,
758 : GFC_ISYM_UINT,
759 :
760 : GFC_ISYM_ACOSPI,
761 : GFC_ISYM_ASINPI,
762 : GFC_ISYM_ATANPI,
763 : GFC_ISYM_ATAN2PI,
764 : GFC_ISYM_COSPI,
765 : GFC_ISYM_SINPI,
766 : GFC_ISYM_TANPI,
767 :
768 : GFC_ISYM_SPLIT,
769 : };
770 :
771 : enum init_local_logical
772 : {
773 : GFC_INIT_LOGICAL_OFF = 0,
774 : GFC_INIT_LOGICAL_FALSE,
775 : GFC_INIT_LOGICAL_TRUE
776 : };
777 :
778 : enum init_local_character
779 : {
780 : GFC_INIT_CHARACTER_OFF = 0,
781 : GFC_INIT_CHARACTER_ON
782 : };
783 :
784 : enum init_local_integer
785 : {
786 : GFC_INIT_INTEGER_OFF = 0,
787 : GFC_INIT_INTEGER_ON
788 : };
789 :
790 : enum gfc_reverse
791 : {
792 : GFC_ENABLE_REVERSE,
793 : GFC_FORWARD_SET,
794 : GFC_REVERSE_SET,
795 : GFC_INHIBIT_REVERSE
796 : };
797 :
798 : enum gfc_param_spec_type
799 : {
800 : SPEC_EXPLICIT,
801 : SPEC_ASSUMED,
802 : SPEC_DEFERRED
803 : };
804 :
805 : /************************* Structures *****************************/
806 :
807 : /* Used for keeping things in balanced binary trees. */
808 : #define BBT_HEADER(self) int priority; struct self *left, *right
809 :
810 : #define NAMED_INTCST(a,b,c,d) a,
811 : #define NAMED_UINTCST(a,b,c,d) a,
812 : #define NAMED_KINDARRAY(a,b,c,d) a,
813 : #define NAMED_FUNCTION(a,b,c,d) a,
814 : #define NAMED_SUBROUTINE(a,b,c,d) a,
815 : #define NAMED_DERIVED_TYPE(a,b,c,d) a,
816 : enum iso_fortran_env_symbol
817 : {
818 : ISOFORTRANENV_INVALID = -1,
819 : #include "iso-fortran-env.def"
820 : ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST
821 : };
822 : #undef NAMED_INTCST
823 : #undef NANED_UINTCST
824 : #undef NAMED_KINDARRAY
825 : #undef NAMED_FUNCTION
826 : #undef NAMED_SUBROUTINE
827 : #undef NAMED_DERIVED_TYPE
828 :
829 : #define NAMED_INTCST(a,b,c,d) a,
830 : #define NAMED_REALCST(a,b,c,d) a,
831 : #define NAMED_CMPXCST(a,b,c,d) a,
832 : #define NAMED_LOGCST(a,b,c) a,
833 : #define NAMED_CHARKNDCST(a,b,c) a,
834 : #define NAMED_CHARCST(a,b,c) a,
835 : #define DERIVED_TYPE(a,b,c) a,
836 : #define NAMED_FUNCTION(a,b,c,d) a,
837 : #define NAMED_SUBROUTINE(a,b,c,d) a,
838 : #define NAMED_UINTCST(a,b,c,d) a,
839 : enum iso_c_binding_symbol
840 : {
841 : ISOCBINDING_INVALID = -1,
842 : #include "iso-c-binding.def"
843 : ISOCBINDING_LAST,
844 : ISOCBINDING_NUMBER = ISOCBINDING_LAST
845 : };
846 : #undef NAMED_INTCST
847 : #undef NAMED_REALCST
848 : #undef NAMED_CMPXCST
849 : #undef NAMED_LOGCST
850 : #undef NAMED_CHARKNDCST
851 : #undef NAMED_CHARCST
852 : #undef DERIVED_TYPE
853 : #undef NAMED_FUNCTION
854 : #undef NAMED_SUBROUTINE
855 : #undef NAMED_UINTCST
856 :
857 : enum intmod_id
858 : {
859 : INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING,
860 : INTMOD_IEEE_FEATURES, INTMOD_IEEE_EXCEPTIONS, INTMOD_IEEE_ARITHMETIC
861 : };
862 :
863 : typedef struct
864 : {
865 : char name[GFC_MAX_SYMBOL_LEN + 1];
866 : int value; /* Used for both integer and character values. */
867 : bt f90_type;
868 : }
869 : CInteropKind_t;
870 :
871 : /* Array of structs, where the structs represent the C interop kinds.
872 : The list will be implemented based on a hash of the kind name since
873 : these could be accessed multiple times.
874 : Declared in trans-types.cc as a global, since it's in that file
875 : that the list is initialized. */
876 : extern CInteropKind_t c_interop_kinds_table[];
877 :
878 : enum gfc_omp_device_type
879 : {
880 : OMP_DEVICE_TYPE_UNSET,
881 : OMP_DEVICE_TYPE_HOST,
882 : OMP_DEVICE_TYPE_NOHOST,
883 : OMP_DEVICE_TYPE_ANY
884 : };
885 :
886 : enum gfc_omp_severity_type
887 : {
888 : OMP_SEVERITY_UNSET,
889 : OMP_SEVERITY_WARNING,
890 : OMP_SEVERITY_FATAL
891 : };
892 :
893 : enum gfc_omp_at_type
894 : {
895 : OMP_AT_UNSET,
896 : OMP_AT_COMPILATION,
897 : OMP_AT_EXECUTION
898 : };
899 :
900 : /* Structure and list of supported extension attributes.
901 :
902 : The bitmask formed from these values (symbol_attribute.ext_attr) is
903 : written to and read from module files, see mio_symbol_attribute. New
904 : attributes must therefore be appended at the end (before EXT_ATTR_LAST)
905 : so that the existing bit positions, and thus module compatibility, are
906 : preserved. */
907 : typedef enum
908 : {
909 : EXT_ATTR_DLLIMPORT = 0,
910 : EXT_ATTR_DLLEXPORT,
911 : EXT_ATTR_STDCALL,
912 : EXT_ATTR_CDECL,
913 : EXT_ATTR_FASTCALL,
914 : EXT_ATTR_NO_ARG_CHECK,
915 : EXT_ATTR_DEPRECATED,
916 : EXT_ATTR_NOINLINE,
917 : EXT_ATTR_NORETURN,
918 : EXT_ATTR_WEAK,
919 : EXT_ATTR_INLINE,
920 : EXT_ATTR_ALWAYS_INLINE,
921 : EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST
922 : }
923 : ext_attr_id_t;
924 :
925 : typedef struct
926 : {
927 : const char *name;
928 : unsigned id;
929 : const char *middle_end_name;
930 : }
931 : ext_attr_t;
932 :
933 : extern const ext_attr_t ext_attr_list[];
934 :
935 : /* Symbol attribute structure. */
936 : typedef struct
937 : {
938 : /* Variable attributes. */
939 : unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1,
940 : optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1,
941 : dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1,
942 : implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1,
943 : contiguous:1, fe_temp: 1, automatic: 1;
944 :
945 : /* For CLASS containers, the pointer attribute is sometimes set internally
946 : even though it was not directly specified. In this case, keep the
947 : "real" (original) value here. */
948 : unsigned class_pointer:1;
949 :
950 : ENUM_BITFIELD (save_state) save:2;
951 :
952 : unsigned data:1, /* Symbol is named in a DATA statement. */
953 : is_protected:1, /* Symbol has been marked as protected. */
954 : use_assoc:1, /* Symbol has been use-associated. */
955 : used_in_submodule:1, /* Symbol has been use-associated in a
956 : submodule. Needed since these entities must
957 : be set host associated to be compliant. */
958 : use_only:1, /* Symbol has been use-associated, with ONLY. */
959 : use_rename:1, /* Symbol has been use-associated and renamed. */
960 : imported:1, /* Symbol has been associated by IMPORT. */
961 : host_assoc:1; /* Symbol has been host associated. */
962 :
963 : unsigned in_namelist:1, in_common:1, in_equivalence:1;
964 : unsigned function:1, subroutine:1, procedure:1;
965 : unsigned generic:1, generic_copy:1;
966 : unsigned implicit_type:1; /* Type defined via implicit rules. */
967 : unsigned untyped:1; /* No implicit type could be found. */
968 :
969 : unsigned is_bind_c:1; /* say if is bound to C. */
970 : unsigned extension:8; /* extension level of a derived type. */
971 : unsigned is_class:1; /* is a CLASS container. */
972 : unsigned class_ok:1; /* is a CLASS object with correct attributes. */
973 : unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */
974 : unsigned vtype:1; /* is a derived type of a vtab. */
975 :
976 : /* These flags are both in the typespec and attribute. The attribute
977 : list is what gets read from/written to a module file. The typespec
978 : is created from a decl being processed. */
979 : unsigned is_c_interop:1; /* It's c interoperable. */
980 : unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */
981 :
982 : /* Function/subroutine attributes */
983 : unsigned sequence:1, elemental:1, pure:1, recursive:1;
984 : unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1;
985 :
986 : /* Set if this is a module function or subroutine. Note that it is an
987 : attribute because it appears as a prefix in the declaration like
988 : PURE, etc.. */
989 : unsigned module_procedure:1;
990 :
991 : /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
992 : which is relevant for private module procedures. */
993 : unsigned public_used:1;
994 :
995 : /* This is set if a contained procedure could be declared pure. This is
996 : used for certain optimizations that require the result or arguments
997 : cannot alias. Note that this is zero for PURE procedures. */
998 : unsigned implicit_pure:1;
999 :
1000 : /* This is set for a procedure that contains expressions referencing
1001 : arrays coming from outside its namespace.
1002 : This is used to force the creation of a temporary when the LHS of
1003 : an array assignment may be used by an elemental procedure appearing
1004 : on the RHS. */
1005 : unsigned array_outer_dependency:1;
1006 :
1007 : /* This is set if the subroutine doesn't return. Currently, this
1008 : is only possible for intrinsic subroutines. */
1009 : unsigned noreturn:1;
1010 :
1011 : /* Set if this procedure is an alternate entry point. These procedures
1012 : don't have any code associated, and the backend will turn them into
1013 : thunks to the master function. */
1014 : unsigned entry:1;
1015 :
1016 : /* Set if this is the master function for a procedure with multiple
1017 : entry points. */
1018 : unsigned entry_master:1;
1019 :
1020 : /* Set if this is the master function for a function with multiple
1021 : entry points where characteristics of the entry points differ. */
1022 : unsigned mixed_entry_master:1;
1023 :
1024 : /* Set if a function must always be referenced by an explicit interface. */
1025 : unsigned always_explicit:1;
1026 :
1027 : /* Set if the symbol is generated and, hence, standard violations
1028 : shouldn't be flagged. */
1029 : unsigned artificial:1;
1030 :
1031 : /* Set if the symbol has been referenced in an expression. No further
1032 : modification of type or type parameters is permitted. */
1033 : unsigned referenced:1;
1034 :
1035 : /* Set if the value of the symbol has been assigned one way or another. */
1036 : ENUM_BITFIELD (value_set) value_set:3;
1037 :
1038 : /* Set if the value of the symbol has been used. */
1039 : ENUM_BITFIELD (value_used) value_used:3;
1040 :
1041 : /* Set if the symbol has been allocated in the current procedure. */
1042 : unsigned allocated:1;
1043 :
1044 : /* Set if we already emitted a warning for this symbol and the
1045 : middle-end should not add additional ones. */
1046 : unsigned warning_emitted:1;
1047 :
1048 : /* Set if this is the symbol for the main program. */
1049 : unsigned is_main_program:1;
1050 :
1051 : /* Mutually exclusive multibit attributes. */
1052 : ENUM_BITFIELD (gfc_access) access:2;
1053 : ENUM_BITFIELD (sym_intent) intent:2;
1054 : ENUM_BITFIELD (sym_flavor) flavor:4;
1055 : ENUM_BITFIELD (ifsrc) if_source:2;
1056 :
1057 : ENUM_BITFIELD (procedure_type) proc:3;
1058 :
1059 : /* Special attributes for Cray pointers, pointees. */
1060 : unsigned cray_pointer:1, cray_pointee:1;
1061 :
1062 : /* The symbol is a derived type with allocatable components, pointer
1063 : components or private components, procedure pointer components,
1064 : possibly nested. zero_comp is true if the derived type has no
1065 : component at all. defined_assign_comp is true if the derived
1066 : type or a (sub-)component has a typebound defined assignment.
1067 : unlimited_polymorphic flags the type of the container for these
1068 : entities. */
1069 : unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1,
1070 : private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1,
1071 : event_comp:1, defined_assign_comp:1, unlimited_polymorphic:1,
1072 : has_dtio_procs:1, caf_token:1;
1073 :
1074 : /* This is a temporary selector for SELECT TYPE/RANK or an associate
1075 : variable for SELECT TYPE/RANK or ASSOCIATE. */
1076 : unsigned select_type_temporary:1, select_rank_temporary:1, associate_var:1;
1077 :
1078 : /* These are the attributes required for parameterized derived
1079 : types. */
1080 : unsigned pdt_kind:1, pdt_len:1, pdt_type:1, pdt_template:1,
1081 : pdt_array:1, pdt_string:1, pdt_comp:1;
1082 :
1083 : /* This is omp_{out,in,priv,orig} artificial variable in
1084 : !$OMP DECLARE REDUCTION. */
1085 : unsigned omp_udr_artificial_var:1;
1086 :
1087 : /* This is a placeholder variable used in an !$OMP DECLARE MAPPER
1088 : directive. */
1089 : unsigned omp_udm_artificial_var:1;
1090 :
1091 : /* Mentioned in OMP DECLARE TARGET. */
1092 : unsigned omp_declare_target:1;
1093 : unsigned omp_declare_target_link:1;
1094 : unsigned omp_declare_target_local:1;
1095 : unsigned omp_declare_target_indirect:1;
1096 : ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2;
1097 : unsigned omp_groupprivate:1;
1098 : unsigned omp_allocate:1;
1099 :
1100 : /* Mentioned in OACC DECLARE. */
1101 : unsigned oacc_declare_create:1;
1102 : unsigned oacc_declare_copyin:1;
1103 : unsigned oacc_declare_deviceptr:1;
1104 : unsigned oacc_declare_device_resident:1;
1105 : unsigned oacc_declare_link:1;
1106 :
1107 : /* OpenACC 'routine' directive's level of parallelism. */
1108 : ENUM_BITFIELD (oacc_routine_lop) oacc_routine_lop:3;
1109 : unsigned oacc_routine_nohost:1;
1110 :
1111 : /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
1112 : unsigned ext_attr:EXT_ATTR_NUM;
1113 :
1114 : /* The namespace where the attribute has been set. */
1115 : struct gfc_namespace *volatile_ns, *asynchronous_ns;
1116 : }
1117 : symbol_attribute;
1118 :
1119 :
1120 : /* We need to store source lines as sequences of multibyte source
1121 : characters. We define here a type wide enough to hold any multibyte
1122 : source character, just like libcpp does. A 32-bit type is enough. */
1123 :
1124 : #if HOST_BITS_PER_INT >= 32
1125 : typedef unsigned int gfc_char_t;
1126 : #elif HOST_BITS_PER_LONG >= 32
1127 : typedef unsigned long gfc_char_t;
1128 : #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
1129 : typedef unsigned long long gfc_char_t;
1130 : #else
1131 : # error "Cannot find an integer type with at least 32 bits"
1132 : #endif
1133 :
1134 :
1135 : /* The following three structures are used to identify a location in
1136 : the sources.
1137 :
1138 : gfc_file is used to maintain a tree of the source files and how
1139 : they include each other
1140 :
1141 : gfc_linebuf holds a single line of source code and information
1142 : which file it resides in
1143 :
1144 : locus point to the sourceline and the character in the source
1145 : line.
1146 : */
1147 :
1148 : typedef struct gfc_file
1149 : {
1150 : struct gfc_file *next, *up;
1151 : int inclusion_line, line;
1152 : char *filename;
1153 : } gfc_file;
1154 :
1155 : typedef struct gfc_linebuf
1156 : {
1157 : location_t location;
1158 : struct gfc_file *file;
1159 : struct gfc_linebuf *next;
1160 :
1161 : int truncated;
1162 : bool dbg_emitted;
1163 :
1164 : gfc_char_t line[1];
1165 : } gfc_linebuf;
1166 :
1167 : #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
1168 :
1169 : #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
1170 :
1171 : /* If nextc = (gfc_char_t*) -1, 'location' is used. */
1172 : typedef struct
1173 : {
1174 : gfc_char_t *nextc;
1175 : union
1176 : {
1177 : gfc_linebuf *lb;
1178 : location_t location;
1179 : } u;
1180 : } locus;
1181 :
1182 : #define GFC_LOCUS_IS_SET(loc) \
1183 : ((loc).nextc == (gfc_char_t *) -1 || (loc).u.lb != NULL)
1184 :
1185 : /* In order for the "gfc" format checking to work correctly, you must
1186 : have declared a typedef locus first. */
1187 : #if GCC_VERSION >= 4001
1188 : #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
1189 : #else
1190 : #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
1191 : #endif
1192 :
1193 :
1194 : /* Suppress error messages or re-enable them. */
1195 :
1196 : void gfc_push_suppress_errors (void);
1197 : void gfc_pop_suppress_errors (void);
1198 : bool gfc_query_suppress_errors (void);
1199 :
1200 :
1201 : /* Character length structures hold the expression that gives the
1202 : length of a character variable. We avoid putting these into
1203 : gfc_typespec because doing so prevents us from doing structure
1204 : copies and forces us to deallocate any typespecs we create, as well
1205 : as structures that contain typespecs. They also can have multiple
1206 : character typespecs pointing to them.
1207 :
1208 : These structures form a singly linked list within the current
1209 : namespace and are deallocated with the namespace. It is possible to
1210 : end up with gfc_charlen structures that have nothing pointing to them. */
1211 :
1212 : typedef struct gfc_charlen
1213 : {
1214 : struct gfc_expr *length;
1215 : struct gfc_charlen *next;
1216 : bool length_from_typespec; /* Length from explicit array ctor typespec? */
1217 : tree backend_decl;
1218 : tree passed_length; /* Length argument explicitly passed. */
1219 :
1220 : int resolved;
1221 : }
1222 : gfc_charlen;
1223 :
1224 : #define gfc_get_charlen() XCNEW (gfc_charlen)
1225 :
1226 : /* Type specification structure. */
1227 : typedef struct
1228 : {
1229 : bt type;
1230 : int kind;
1231 :
1232 : union
1233 : {
1234 : struct gfc_symbol *derived; /* For derived types only. */
1235 : gfc_charlen *cl; /* For character types only. */
1236 : int pad; /* For hollerith types only. */
1237 : }
1238 : u;
1239 :
1240 : struct gfc_symbol *interface; /* For PROCEDURE declarations. */
1241 : int is_c_interop;
1242 : int is_iso_c;
1243 : bt f90_type;
1244 : bool deferred;
1245 : gfc_symbol *interop_kind;
1246 : }
1247 : gfc_typespec;
1248 :
1249 : /* Array specification. */
1250 : typedef struct
1251 : {
1252 : int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1253 : int corank;
1254 : array_type type, cotype;
1255 : struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS];
1256 :
1257 : /* These two fields are used with the Cray Pointer extension. */
1258 : bool cray_pointee; /* True iff this spec belongs to a cray pointee. */
1259 : bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to
1260 : AS_EXPLICIT, but we want to remember that we
1261 : did this. */
1262 :
1263 : bool resolved;
1264 : }
1265 : gfc_array_spec;
1266 :
1267 : #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1268 :
1269 :
1270 : /* Components of derived types. */
1271 : typedef struct gfc_component
1272 : {
1273 : const char *name;
1274 : gfc_typespec ts;
1275 :
1276 : symbol_attribute attr;
1277 : gfc_array_spec *as;
1278 :
1279 : tree backend_decl;
1280 : /* Used to cache a FIELD_DECL matching this same component
1281 : but applied to a different backend containing type that was
1282 : generated by gfc_nonrestricted_type. */
1283 : tree norestrict_decl;
1284 : locus loc;
1285 : struct gfc_expr *initializer;
1286 : /* Used in parameterized derived type declarations to store parameterized
1287 : kind expressions. */
1288 : struct gfc_expr *kind_expr;
1289 : struct gfc_actual_arglist *param_list;
1290 :
1291 : struct gfc_component *next;
1292 :
1293 : /* Needed for procedure pointer components. */
1294 : struct gfc_typebound_proc *tb;
1295 : /* When allocatable/pointer and in a coarray the associated token. */
1296 : struct gfc_component *caf_token;
1297 : }
1298 : gfc_component;
1299 :
1300 : #define gfc_get_component() XCNEW (gfc_component)
1301 : #define gfc_comp_caf_token(cm) (cm)->caf_token->backend_decl
1302 :
1303 : /* Formal argument lists are lists of symbols. */
1304 : typedef struct gfc_formal_arglist
1305 : {
1306 : /* Symbol representing the argument at this position in the arglist. */
1307 : struct gfc_symbol *sym;
1308 : /* Points to the next formal argument. */
1309 : struct gfc_formal_arglist *next;
1310 : }
1311 : gfc_formal_arglist;
1312 :
1313 : #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1314 :
1315 :
1316 : struct gfc_dummy_arg;
1317 :
1318 :
1319 : /* The gfc_actual_arglist structure is for actual arguments and
1320 : for type parameter specification lists. */
1321 : typedef struct gfc_actual_arglist
1322 : {
1323 : const char *name;
1324 : /* Alternate return label when the expr member is null. */
1325 : struct gfc_st_label *label;
1326 :
1327 : gfc_param_spec_type spec_type;
1328 :
1329 : struct gfc_expr *expr;
1330 :
1331 : /* The dummy arg this actual arg is associated with, if the interface
1332 : is explicit. NULL otherwise. */
1333 : gfc_dummy_arg *associated_dummy;
1334 :
1335 : struct gfc_actual_arglist *next;
1336 : }
1337 : gfc_actual_arglist;
1338 :
1339 : #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1340 :
1341 :
1342 : /* Because a symbol can belong to multiple namelists, they must be
1343 : linked externally to the symbol itself. */
1344 : typedef struct gfc_namelist
1345 : {
1346 : struct gfc_symbol *sym;
1347 : struct gfc_namelist *next;
1348 : }
1349 : gfc_namelist;
1350 :
1351 : #define gfc_get_namelist() XCNEW (gfc_namelist)
1352 :
1353 : /* Likewise to gfc_namelist, but contains expressions. */
1354 : typedef struct gfc_expr_list
1355 : {
1356 : struct gfc_expr *expr;
1357 : struct gfc_expr_list *next;
1358 : }
1359 : gfc_expr_list;
1360 :
1361 : #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1362 :
1363 : enum gfc_omp_reduction_op
1364 : {
1365 : OMP_REDUCTION_NONE = -1,
1366 : OMP_REDUCTION_PLUS = INTRINSIC_PLUS,
1367 : OMP_REDUCTION_MINUS = INTRINSIC_MINUS,
1368 : OMP_REDUCTION_TIMES = INTRINSIC_TIMES,
1369 : OMP_REDUCTION_AND = INTRINSIC_AND,
1370 : OMP_REDUCTION_OR = INTRINSIC_OR,
1371 : OMP_REDUCTION_EQV = INTRINSIC_EQV,
1372 : OMP_REDUCTION_NEQV = INTRINSIC_NEQV,
1373 : OMP_REDUCTION_MAX = GFC_INTRINSIC_END,
1374 : OMP_REDUCTION_MIN,
1375 : OMP_REDUCTION_IAND,
1376 : OMP_REDUCTION_IOR,
1377 : OMP_REDUCTION_IEOR,
1378 : OMP_REDUCTION_USER
1379 : };
1380 :
1381 : enum gfc_omp_depend_doacross_op
1382 : {
1383 : OMP_DEPEND_UNSET,
1384 : OMP_DEPEND_IN,
1385 : OMP_DEPEND_OUT,
1386 : OMP_DEPEND_INOUT,
1387 : OMP_DEPEND_INOUTSET,
1388 : OMP_DEPEND_MUTEXINOUTSET,
1389 : OMP_DEPEND_DEPOBJ,
1390 : OMP_DEPEND_SINK_FIRST,
1391 : OMP_DOACROSS_SINK_FIRST,
1392 : OMP_DOACROSS_SINK
1393 : };
1394 :
1395 : enum gfc_omp_map_op
1396 : {
1397 : OMP_MAP_ALLOC = 0,
1398 : OMP_MAP_TO = 1 << 0,
1399 : OMP_MAP_FROM = 1 << 1,
1400 : OMP_MAP_TOFROM = OMP_MAP_TO | OMP_MAP_FROM,
1401 : OMP_MAP_IF_PRESENT = 1 << 2,
1402 : OMP_MAP_ATTACH = 1 << 3,
1403 : OMP_MAP_DELETE = 1 << 4,
1404 : OMP_MAP_DETACH = 1 << 5,
1405 : OMP_MAP_FORCE_ALLOC = 1 << 6,
1406 : OMP_MAP_FORCE_TO = OMP_MAP_FORCE_ALLOC | OMP_MAP_TO,
1407 : OMP_MAP_FORCE_FROM = OMP_MAP_FORCE_ALLOC | OMP_MAP_FROM,
1408 : OMP_MAP_FORCE_TOFROM = OMP_MAP_FORCE_ALLOC | OMP_MAP_TOFROM,
1409 : OMP_MAP_FORCE_PRESENT = 1 << 7,
1410 : OMP_MAP_FORCE_DEVICEPTR = 1 << 8,
1411 : OMP_MAP_DEVICE_RESIDENT = 1 << 9,
1412 : OMP_MAP_LINK = 1 << 10,
1413 : OMP_MAP_RELEASE = 1 << 11,
1414 : OMP_MAP_ALWAYS_TO = (1 << 12) | OMP_MAP_TO,
1415 : OMP_MAP_ALWAYS_FROM = (1 << 12) | OMP_MAP_FROM,
1416 : OMP_MAP_ALWAYS_TOFROM = (1 << 12) | OMP_MAP_TOFROM,
1417 : OMP_MAP_PRESENT_ALLOC = 1 << 13,
1418 : OMP_MAP_PRESENT_TO = (1 << 13) | OMP_MAP_TO,
1419 : OMP_MAP_PRESENT_FROM = (1 << 13) | OMP_MAP_FROM,
1420 : OMP_MAP_PRESENT_TOFROM = (1 << 13) | OMP_MAP_TOFROM,
1421 : OMP_MAP_ALWAYS_PRESENT_TO = OMP_MAP_ALWAYS_TO | OMP_MAP_PRESENT_TO,
1422 : OMP_MAP_ALWAYS_PRESENT_FROM = OMP_MAP_ALWAYS_FROM | OMP_MAP_PRESENT_FROM,
1423 : OMP_MAP_ALWAYS_PRESENT_TOFROM = OMP_MAP_ALWAYS_TOFROM | OMP_MAP_PRESENT_TOFROM,
1424 : OMP_MAP_UNSET = 1 << 14
1425 : };
1426 :
1427 : enum gfc_omp_defaultmap
1428 : {
1429 : OMP_DEFAULTMAP_UNSET,
1430 : OMP_DEFAULTMAP_ALLOC,
1431 : OMP_DEFAULTMAP_TO,
1432 : OMP_DEFAULTMAP_FROM,
1433 : OMP_DEFAULTMAP_TOFROM,
1434 : OMP_DEFAULTMAP_FIRSTPRIVATE,
1435 : OMP_DEFAULTMAP_NONE,
1436 : OMP_DEFAULTMAP_DEFAULT,
1437 : OMP_DEFAULTMAP_PRESENT
1438 : };
1439 :
1440 : enum gfc_omp_defaultmap_category
1441 : {
1442 : OMP_DEFAULTMAP_CAT_UNCATEGORIZED,
1443 : OMP_DEFAULTMAP_CAT_ALL,
1444 : OMP_DEFAULTMAP_CAT_SCALAR,
1445 : OMP_DEFAULTMAP_CAT_AGGREGATE,
1446 : OMP_DEFAULTMAP_CAT_ALLOCATABLE,
1447 : OMP_DEFAULTMAP_CAT_POINTER,
1448 : OMP_DEFAULTMAP_CAT_NUM
1449 : };
1450 :
1451 : enum gfc_omp_linear_op
1452 : {
1453 : OMP_LINEAR_DEFAULT,
1454 : OMP_LINEAR_REF,
1455 : OMP_LINEAR_VAL,
1456 : OMP_LINEAR_UVAL
1457 : };
1458 :
1459 : /* For use in OpenMP clauses in case we need extra information
1460 : (aligned clause alignment, linear clause step, etc.). */
1461 :
1462 : typedef struct gfc_omp_namelist
1463 : {
1464 : struct gfc_symbol *sym;
1465 : struct gfc_expr *expr;
1466 : union
1467 : {
1468 : gfc_omp_reduction_op reduction_op;
1469 : gfc_omp_depend_doacross_op depend_doacross_op;
1470 : struct
1471 : {
1472 : ENUM_BITFIELD (gfc_omp_map_op) op : 16;
1473 : bool readonly;
1474 : } map;
1475 : gfc_expr *align;
1476 : struct
1477 : {
1478 : ENUM_BITFIELD (gfc_omp_linear_op) op:4;
1479 : bool old_modifier;
1480 : } linear;
1481 : struct gfc_common_head *common;
1482 : struct gfc_symbol *memspace_sym;
1483 : bool lastprivate_conditional;
1484 : bool present_modifier;
1485 : struct
1486 : {
1487 : int len;
1488 : bool target;
1489 : bool targetsync;
1490 : } init;
1491 : struct
1492 : {
1493 : bool need_ptr:1;
1494 : bool need_addr:1;
1495 : bool range_start:1;
1496 : bool omp_num_args_plus:1;
1497 : bool omp_num_args_minus:1;
1498 : bool error_p:1;
1499 : } adj_args;
1500 : } u;
1501 : union
1502 : {
1503 : struct gfc_omp_namelist_udr *udr;
1504 : gfc_namespace *ns;
1505 : gfc_expr *allocator;
1506 : struct gfc_symbol *traits_sym;
1507 : struct gfc_omp_namelist *duplicate_of;
1508 : char *init_interop;
1509 : } u2;
1510 : union
1511 : {
1512 : struct gfc_omp_namelist_udm *udm;
1513 : } u3;
1514 : struct gfc_omp_namelist *next;
1515 : locus where;
1516 : }
1517 : gfc_omp_namelist;
1518 :
1519 : #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1520 :
1521 : enum gfc_omp_list_type
1522 : {
1523 : OMP_LIST_FIRST,
1524 : OMP_LIST_PRIVATE = OMP_LIST_FIRST,
1525 : OMP_LIST_FIRSTPRIVATE,
1526 : OMP_LIST_LASTPRIVATE,
1527 : OMP_LIST_COPYPRIVATE,
1528 : OMP_LIST_SHARED,
1529 : OMP_LIST_COPYIN,
1530 : OMP_LIST_UNIFORM,
1531 : OMP_LIST_AFFINITY,
1532 : OMP_LIST_ALIGNED,
1533 : OMP_LIST_LINEAR,
1534 : OMP_LIST_DEPEND,
1535 : OMP_LIST_MAP,
1536 : OMP_LIST_TO,
1537 : OMP_LIST_FROM,
1538 : OMP_LIST_SCAN_IN,
1539 : OMP_LIST_SCAN_EX,
1540 : OMP_LIST_REDUCTION,
1541 : OMP_LIST_REDUCTION_INSCAN,
1542 : OMP_LIST_REDUCTION_TASK,
1543 : OMP_LIST_IN_REDUCTION,
1544 : OMP_LIST_TASK_REDUCTION,
1545 : OMP_LIST_DEVICE_RESIDENT,
1546 : OMP_LIST_LINK,
1547 : OMP_LIST_LOCAL,
1548 : OMP_LIST_USE_DEVICE,
1549 : OMP_LIST_CACHE,
1550 : OMP_LIST_IS_DEVICE_PTR,
1551 : OMP_LIST_USE_DEVICE_PTR,
1552 : OMP_LIST_USE_DEVICE_ADDR,
1553 : OMP_LIST_NONTEMPORAL,
1554 : OMP_LIST_ALLOCATE,
1555 : OMP_LIST_HAS_DEVICE_ADDR,
1556 : OMP_LIST_ENTER,
1557 : OMP_LIST_USES_ALLOCATORS,
1558 : OMP_LIST_INIT,
1559 : OMP_LIST_USE,
1560 : OMP_LIST_DESTROY,
1561 : OMP_LIST_INTEROP,
1562 : OMP_LIST_ADJUST_ARGS,
1563 : OMP_LIST_NUM, /* Must be the last (together with OMP_LIST_NONE). */
1564 : OMP_LIST_NONE = OMP_LIST_NUM
1565 : };
1566 :
1567 : /* Because a symbol can belong to multiple namelists, they must be
1568 : linked externally to the symbol itself. */
1569 :
1570 : enum gfc_omp_sched_kind
1571 : {
1572 : OMP_SCHED_NONE,
1573 : OMP_SCHED_STATIC,
1574 : OMP_SCHED_DYNAMIC,
1575 : OMP_SCHED_GUIDED,
1576 : OMP_SCHED_RUNTIME,
1577 : OMP_SCHED_AUTO
1578 : };
1579 :
1580 : enum gfc_omp_default_sharing
1581 : {
1582 : OMP_DEFAULT_UNKNOWN,
1583 : OMP_DEFAULT_NONE,
1584 : OMP_DEFAULT_PRIVATE,
1585 : OMP_DEFAULT_SHARED,
1586 : OMP_DEFAULT_FIRSTPRIVATE,
1587 : OMP_DEFAULT_PRESENT
1588 : };
1589 :
1590 : enum gfc_omp_proc_bind_kind
1591 : {
1592 : OMP_PROC_BIND_UNKNOWN,
1593 : OMP_PROC_BIND_PRIMARY,
1594 : OMP_PROC_BIND_MASTER,
1595 : OMP_PROC_BIND_SPREAD,
1596 : OMP_PROC_BIND_CLOSE
1597 : };
1598 :
1599 : enum gfc_omp_cancel_kind
1600 : {
1601 : OMP_CANCEL_UNKNOWN,
1602 : OMP_CANCEL_PARALLEL,
1603 : OMP_CANCEL_SECTIONS,
1604 : OMP_CANCEL_DO,
1605 : OMP_CANCEL_TASKGROUP
1606 : };
1607 :
1608 : enum gfc_omp_if_kind
1609 : {
1610 : OMP_IF_CANCEL,
1611 : OMP_IF_PARALLEL,
1612 : OMP_IF_SIMD,
1613 : OMP_IF_TASK,
1614 : OMP_IF_TASKLOOP,
1615 : OMP_IF_TARGET,
1616 : OMP_IF_TARGET_DATA,
1617 : OMP_IF_TARGET_UPDATE,
1618 : OMP_IF_TARGET_ENTER_DATA,
1619 : OMP_IF_TARGET_EXIT_DATA,
1620 : OMP_IF_LAST
1621 : };
1622 :
1623 : enum gfc_omp_atomic_op
1624 : {
1625 : GFC_OMP_ATOMIC_UNSET = 0,
1626 : GFC_OMP_ATOMIC_UPDATE = 1,
1627 : GFC_OMP_ATOMIC_READ = 2,
1628 : GFC_OMP_ATOMIC_WRITE = 3,
1629 : GFC_OMP_ATOMIC_MASK = 3,
1630 : GFC_OMP_ATOMIC_SWAP = 16
1631 : };
1632 :
1633 : enum gfc_omp_requires_kind
1634 : {
1635 : /* Keep gfc_namespace's omp_requires bitfield size in sync. */
1636 : OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST = 1, /* 001 */
1637 : OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL = 2, /* 010 */
1638 : OMP_REQ_ATOMIC_MEM_ORDER_RELAXED = 3, /* 011 */
1639 : OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE = 4, /* 100 */
1640 : OMP_REQ_ATOMIC_MEM_ORDER_RELEASE = 5, /* 101 */
1641 : OMP_REQ_REVERSE_OFFLOAD = (1 << 3),
1642 : OMP_REQ_UNIFIED_ADDRESS = (1 << 4),
1643 : OMP_REQ_UNIFIED_SHARED_MEMORY = (1 << 5),
1644 : OMP_REQ_SELF_MAPS = (1 << 6),
1645 : OMP_REQ_DYNAMIC_ALLOCATORS = (1 << 7),
1646 : OMP_REQ_TARGET_MASK = (OMP_REQ_REVERSE_OFFLOAD
1647 : | OMP_REQ_UNIFIED_ADDRESS
1648 : | OMP_REQ_UNIFIED_SHARED_MEMORY
1649 : | OMP_REQ_SELF_MAPS),
1650 : OMP_REQ_ATOMIC_MEM_ORDER_MASK = (OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST
1651 : | OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL
1652 : | OMP_REQ_ATOMIC_MEM_ORDER_RELAXED
1653 : | OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE
1654 : | OMP_REQ_ATOMIC_MEM_ORDER_RELEASE)
1655 : };
1656 :
1657 : enum gfc_omp_memorder
1658 : {
1659 : OMP_MEMORDER_UNSET,
1660 : OMP_MEMORDER_SEQ_CST,
1661 : OMP_MEMORDER_ACQ_REL,
1662 : OMP_MEMORDER_RELEASE,
1663 : OMP_MEMORDER_ACQUIRE,
1664 : OMP_MEMORDER_RELAXED
1665 : };
1666 :
1667 : enum gfc_omp_bind_type
1668 : {
1669 : OMP_BIND_UNSET,
1670 : OMP_BIND_TEAMS,
1671 : OMP_BIND_PARALLEL,
1672 : OMP_BIND_THREAD
1673 : };
1674 :
1675 : enum gfc_omp_fallback
1676 : {
1677 : OMP_FALLBACK_NONE,
1678 : OMP_FALLBACK_ABORT,
1679 : OMP_FALLBACK_DEFAULT_MEM,
1680 : OMP_FALLBACK_NULL
1681 : };
1682 :
1683 : typedef struct gfc_omp_assumptions
1684 : {
1685 : int n_absent, n_contains;
1686 : enum gfc_statement *absent, *contains;
1687 : gfc_expr_list *holds;
1688 : bool no_openmp:1, no_openmp_routines:1, no_openmp_constructs:1;
1689 : bool no_parallelism:1;
1690 : }
1691 : gfc_omp_assumptions;
1692 :
1693 : #define gfc_get_omp_assumptions() XCNEW (gfc_omp_assumptions)
1694 :
1695 :
1696 : typedef struct gfc_omp_clauses
1697 : {
1698 : gfc_omp_namelist *lists[OMP_LIST_NUM];
1699 : struct gfc_expr *if_expr;
1700 : struct gfc_expr *if_exprs[OMP_IF_LAST];
1701 : struct gfc_expr *self_expr;
1702 : struct gfc_expr *final_expr;
1703 : struct gfc_expr *num_threads;
1704 : struct gfc_expr *chunk_size;
1705 : struct gfc_expr *safelen_expr;
1706 : struct gfc_expr *simdlen_expr;
1707 : struct gfc_expr *num_teams_lower;
1708 : struct gfc_expr *num_teams_upper;
1709 : struct gfc_expr *device;
1710 : struct gfc_expr *thread_limit;
1711 : struct gfc_expr *grainsize;
1712 : struct gfc_expr *filter;
1713 : struct gfc_expr *hint;
1714 : struct gfc_expr *num_tasks;
1715 : struct gfc_expr *priority;
1716 : struct gfc_expr *detach;
1717 : struct gfc_expr *depobj;
1718 : struct gfc_expr *dist_chunk_size;
1719 : struct gfc_expr *dyn_groupprivate;
1720 : struct gfc_expr *message;
1721 : struct gfc_expr *novariants;
1722 : struct gfc_expr *nocontext;
1723 : struct gfc_omp_assumptions *assume;
1724 : struct gfc_expr_list *sizes_list;
1725 : const char *critical_name;
1726 : enum gfc_omp_default_sharing default_sharing;
1727 : enum gfc_omp_atomic_op atomic_op;
1728 : enum gfc_omp_defaultmap defaultmap[OMP_DEFAULTMAP_CAT_NUM];
1729 : int collapse, orderedc;
1730 : int partial;
1731 : unsigned nowait:1, ordered:1, untied:1, mergeable:1, ancestor:1;
1732 : unsigned inbranch:1, notinbranch:1, nogroup:1;
1733 : unsigned sched_simd:1, sched_monotonic:1, sched_nonmonotonic:1;
1734 : unsigned simd:1, threads:1, doacross_source:1, depend_source:1, destroy:1;
1735 : unsigned order_unconstrained:1, order_reproducible:1, capture:1;
1736 : unsigned grainsize_strict:1, num_tasks_strict:1, compare:1, weak:1;
1737 : unsigned non_rectangular:1, order_concurrent:1;
1738 : unsigned contains_teams_construct:1, target_first_st_is_teams_or_meta:1;
1739 : unsigned contained_in_target_construct:1, indirect:1;
1740 : unsigned full:1, erroneous:1;
1741 : ENUM_BITFIELD (gfc_omp_sched_kind) sched_kind:3;
1742 : ENUM_BITFIELD (gfc_omp_device_type) device_type:2;
1743 : ENUM_BITFIELD (gfc_omp_memorder) memorder:3;
1744 : ENUM_BITFIELD (gfc_omp_memorder) fail:3;
1745 : ENUM_BITFIELD (gfc_omp_cancel_kind) cancel:3;
1746 : ENUM_BITFIELD (gfc_omp_proc_bind_kind) proc_bind:3;
1747 : ENUM_BITFIELD (gfc_omp_depend_doacross_op) depobj_update:4;
1748 : ENUM_BITFIELD (gfc_omp_bind_type) bind:2;
1749 : ENUM_BITFIELD (gfc_omp_at_type) at:2;
1750 : ENUM_BITFIELD (gfc_omp_severity_type) severity:2;
1751 : ENUM_BITFIELD (gfc_omp_sched_kind) dist_sched_kind:3;
1752 : ENUM_BITFIELD (gfc_omp_fallback) fallback:2;
1753 :
1754 : /* OpenACC. */
1755 : struct gfc_expr *async_expr;
1756 : struct gfc_expr *gang_static_expr;
1757 : struct gfc_expr *gang_num_expr;
1758 : struct gfc_expr *worker_expr;
1759 : struct gfc_expr *vector_expr;
1760 : struct gfc_expr *num_gangs_expr;
1761 : struct gfc_expr *num_workers_expr;
1762 : struct gfc_expr *vector_length_expr;
1763 : gfc_expr_list *wait_list;
1764 : gfc_expr_list *tile_list;
1765 : unsigned async:1, gang:1, worker:1, vector:1, seq:1, independent:1;
1766 : unsigned par_auto:1, gang_static:1;
1767 : unsigned if_present:1, finalize:1;
1768 : unsigned nohost:1;
1769 : locus loc;
1770 : }
1771 : gfc_omp_clauses;
1772 :
1773 : #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1774 :
1775 :
1776 : /* Node in the linked list used for storing !$oacc declare constructs. */
1777 :
1778 : typedef struct gfc_oacc_declare
1779 : {
1780 : struct gfc_oacc_declare *next;
1781 : bool module_var;
1782 : gfc_omp_clauses *clauses;
1783 : locus loc;
1784 : }
1785 : gfc_oacc_declare;
1786 :
1787 : #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1788 :
1789 :
1790 : /* Node in the linked list used for storing !$omp declare simd constructs. */
1791 :
1792 : typedef struct gfc_omp_declare_simd
1793 : {
1794 : struct gfc_omp_declare_simd *next;
1795 : locus where; /* Where the !$omp declare simd construct occurred. */
1796 :
1797 : gfc_symbol *proc_name;
1798 :
1799 : gfc_omp_clauses *clauses;
1800 : }
1801 : gfc_omp_declare_simd;
1802 : #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1803 :
1804 : /* For OpenMP trait selector enum types and tables. */
1805 : #include "omp-selectors.h"
1806 :
1807 : typedef struct gfc_omp_trait_property
1808 : {
1809 : struct gfc_omp_trait_property *next;
1810 : enum omp_tp_type property_kind;
1811 : bool is_name : 1;
1812 :
1813 : union
1814 : {
1815 : gfc_expr *expr;
1816 : gfc_symbol *sym;
1817 : gfc_omp_clauses *clauses;
1818 : char *name;
1819 : };
1820 : } gfc_omp_trait_property;
1821 : #define gfc_get_omp_trait_property() XCNEW (gfc_omp_trait_property)
1822 :
1823 : typedef struct gfc_omp_selector
1824 : {
1825 : struct gfc_omp_selector *next;
1826 : enum omp_ts_code code;
1827 : gfc_expr *score;
1828 : struct gfc_omp_trait_property *properties;
1829 : } gfc_omp_selector;
1830 : #define gfc_get_omp_selector() XCNEW (gfc_omp_selector)
1831 :
1832 : typedef struct gfc_omp_set_selector
1833 : {
1834 : struct gfc_omp_set_selector *next;
1835 : enum omp_tss_code code;
1836 : struct gfc_omp_selector *trait_selectors;
1837 : } gfc_omp_set_selector;
1838 : #define gfc_get_omp_set_selector() XCNEW (gfc_omp_set_selector)
1839 :
1840 :
1841 : /* Node in the linked list used for storing !$omp declare variant
1842 : constructs. */
1843 :
1844 : typedef struct gfc_omp_declare_variant
1845 : {
1846 : struct gfc_omp_declare_variant *next;
1847 : locus where; /* Where the !$omp declare variant construct occurred. */
1848 :
1849 : struct gfc_symtree *base_proc_symtree;
1850 : struct gfc_symtree *variant_proc_symtree;
1851 :
1852 : gfc_omp_set_selector *set_selectors;
1853 : gfc_omp_namelist *adjust_args_list;
1854 : gfc_omp_namelist *append_args_list;
1855 :
1856 : bool checked_p : 1; /* Set if previously checked for errors. */
1857 : bool error_p : 1; /* Set if error found in directive. */
1858 : }
1859 : gfc_omp_declare_variant;
1860 : #define gfc_get_omp_declare_variant() XCNEW (gfc_omp_declare_variant)
1861 :
1862 : typedef struct gfc_omp_variant
1863 : {
1864 : struct gfc_omp_variant *next;
1865 : locus where; /* Where the metadirective clause occurred. */
1866 :
1867 : gfc_omp_set_selector *selectors;
1868 : enum gfc_statement stmt;
1869 : struct gfc_code *code;
1870 :
1871 : } gfc_omp_variant;
1872 : #define gfc_get_omp_variant() XCNEW (gfc_omp_variant)
1873 :
1874 : typedef struct gfc_omp_udr
1875 : {
1876 : struct gfc_omp_udr *next;
1877 : locus where; /* Where the !$omp declare reduction construct occurred. */
1878 :
1879 : const char *name;
1880 : gfc_typespec ts;
1881 : gfc_omp_reduction_op rop;
1882 :
1883 : struct gfc_symbol *omp_out;
1884 : struct gfc_symbol *omp_in;
1885 : struct gfc_namespace *combiner_ns;
1886 :
1887 : struct gfc_symbol *omp_priv;
1888 : struct gfc_symbol *omp_orig;
1889 : struct gfc_namespace *initializer_ns;
1890 : }
1891 : gfc_omp_udr;
1892 : #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1893 :
1894 : typedef struct gfc_omp_namelist_udr
1895 : {
1896 : struct gfc_omp_udr *udr;
1897 : struct gfc_code *combiner;
1898 : struct gfc_code *initializer;
1899 : }
1900 : gfc_omp_namelist_udr;
1901 : #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1902 :
1903 : /* Store list of user-defined mapper (created by 'omp declare mapper'). */
1904 : typedef struct gfc_omp_udm
1905 : {
1906 : struct gfc_omp_udm *next;
1907 : locus where; /* Where the !$omp declare mapper construct occurred. */
1908 :
1909 : const char *mapper_id;
1910 : gfc_typespec ts;
1911 :
1912 : struct gfc_symbol *var_sym;
1913 : struct gfc_namespace *mapper_ns;
1914 :
1915 : /* FIXME: We don't need a whole gfc_omp_clauses here. We only use the
1916 : OMP_LIST_MAP clause list; however, the used resolve_omp_clauses
1917 : requires the full set. */
1918 : gfc_omp_clauses *clauses;
1919 :
1920 : tree backend_decl;
1921 : }
1922 : gfc_omp_udm;
1923 : #define gfc_get_omp_udm() XCNEW (gfc_omp_udm)
1924 :
1925 : /* Mapper data for a MAP or TO/FROM list item. */
1926 : typedef struct gfc_omp_namelist_udm
1927 : {
1928 : const char *requested_mapper_id;
1929 : struct gfc_omp_udm *resolved_udm;
1930 : }
1931 : gfc_omp_namelist_udm;
1932 : #define gfc_get_omp_namelist_udm() XCNEW (gfc_omp_namelist_udm)
1933 :
1934 :
1935 : /* The gfc_st_label structure is a BBT attached to a namespace that
1936 : records the usage of statement labels within that space. */
1937 :
1938 : typedef struct gfc_st_label
1939 : {
1940 : BBT_HEADER(gfc_st_label);
1941 :
1942 : int value;
1943 :
1944 : gfc_sl_type defined, referenced;
1945 :
1946 : struct gfc_expr *format;
1947 :
1948 : tree backend_decl;
1949 :
1950 : locus where;
1951 :
1952 : gfc_namespace *ns;
1953 : int omp_region;
1954 : }
1955 : gfc_st_label;
1956 :
1957 :
1958 : /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1959 : typedef struct gfc_interface
1960 : {
1961 : struct gfc_symbol *sym;
1962 : locus where;
1963 : struct gfc_interface *next;
1964 : }
1965 : gfc_interface;
1966 :
1967 : #define gfc_get_interface() XCNEW (gfc_interface)
1968 :
1969 : /* User operator nodes. These are like stripped down symbols. */
1970 : typedef struct
1971 : {
1972 : const char *name;
1973 :
1974 : gfc_interface *op;
1975 : struct gfc_namespace *ns;
1976 : gfc_access access;
1977 : }
1978 : gfc_user_op;
1979 :
1980 :
1981 : /* A list of specific bindings that are associated with a generic spec. */
1982 : typedef struct gfc_tbp_generic
1983 : {
1984 : /* The parser sets specific_st, upon resolution we look for the corresponding
1985 : gfc_typebound_proc and set specific for further use. */
1986 : struct gfc_symtree* specific_st;
1987 : struct gfc_typebound_proc* specific;
1988 :
1989 : struct gfc_tbp_generic* next;
1990 : bool is_operator;
1991 : }
1992 : gfc_tbp_generic;
1993 :
1994 : #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1995 :
1996 :
1997 : /* Data needed for type-bound procedures. */
1998 : typedef struct gfc_typebound_proc
1999 : {
2000 : locus where; /* Where the PROCEDURE/GENERIC definition was. */
2001 :
2002 : union
2003 : {
2004 : struct gfc_symtree* specific; /* The interface if DEFERRED. */
2005 : gfc_tbp_generic* generic;
2006 : }
2007 : u;
2008 :
2009 : gfc_access access;
2010 : const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */
2011 :
2012 : /* The overridden type-bound proc (or GENERIC with this name in the
2013 : parent-type) or NULL if non. */
2014 : struct gfc_typebound_proc* overridden;
2015 :
2016 : /* Once resolved, we use the position of pass_arg in the formal arglist of
2017 : the binding-target procedure to identify it. The first argument has
2018 : number 1 here, the second 2, and so on. */
2019 : unsigned pass_arg_num;
2020 :
2021 : unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */
2022 : unsigned non_overridable:1;
2023 : unsigned deferred:1;
2024 : unsigned is_generic:1;
2025 : unsigned function:1, subroutine:1;
2026 : unsigned error:1; /* Ignore it, when an error occurred during resolution. */
2027 : unsigned ppc:1;
2028 : }
2029 : gfc_typebound_proc;
2030 :
2031 : #define gfc_get_tbp() XCNEW (gfc_typebound_proc)
2032 :
2033 : /* Symbol nodes. These are important things. They are what the
2034 : standard refers to as "entities". The possibly multiple names that
2035 : refer to the same entity are accomplished by a binary tree of
2036 : symtree structures that is balanced by the red-black method-- more
2037 : than one symtree node can point to any given symbol. */
2038 :
2039 : typedef struct gfc_symbol
2040 : {
2041 : const char *name; /* Primary name, before renaming */
2042 : const char *module; /* Module this symbol came from */
2043 : locus declared_at;
2044 :
2045 : gfc_typespec ts;
2046 : symbol_attribute attr;
2047 :
2048 : /* The formal member points to the formal argument list if the
2049 : symbol is a function or subroutine name. If the symbol is a
2050 : generic name, the generic member points to the list of
2051 : interfaces. */
2052 :
2053 : gfc_interface *generic;
2054 : gfc_access component_access;
2055 :
2056 : gfc_formal_arglist *formal;
2057 : struct gfc_namespace *formal_ns;
2058 : struct gfc_namespace *f2k_derived;
2059 :
2060 : /* List of PDT parameter expressions */
2061 : struct gfc_actual_arglist *param_list;
2062 : struct gfc_symbol *template_sym;
2063 :
2064 : struct gfc_expr *value; /* Parameter/Initializer value */
2065 : gfc_array_spec *as;
2066 : struct gfc_symbol *result; /* function result symbol */
2067 : gfc_component *components; /* Derived type components */
2068 :
2069 : /* Defined only for Cray pointees; points to their pointer. */
2070 : struct gfc_symbol *cp_pointer;
2071 :
2072 : int entry_id; /* Used in resolve.cc for entries. */
2073 :
2074 : /* CLASS hashed name for declared and dynamic types in the class. */
2075 : int hash_value;
2076 :
2077 : struct gfc_symbol *common_next; /* Links for COMMON syms */
2078 :
2079 : /* This is only used for pointer comparisons to check if symbols
2080 : are in the same common block.
2081 : In opposition to common_block, the common_head pointer takes into account
2082 : equivalences: if A is in a common block C and A and B are in equivalence,
2083 : then both A and B have common_head pointing to C, while A's common_block
2084 : points to C and B's is NULL. */
2085 : struct gfc_common_head* common_head;
2086 :
2087 : /* Make sure initialization code is generated in the correct order. */
2088 : int decl_order;
2089 :
2090 : gfc_namelist *namelist, *namelist_tail;
2091 :
2092 : /* The tlink field is used in the front end to carry the module
2093 : declaration of separate module procedures so that the characteristics
2094 : can be compared with the corresponding declaration in a submodule. In
2095 : translation this field carries a linked list of symbols that require
2096 : deferred initialization. */
2097 : struct gfc_symbol *tlink;
2098 :
2099 : /* Change management fields. Symbols that might be modified by the
2100 : current statement have the mark member nonzero. Of these symbols,
2101 : symbols with old_symbol equal to NULL are symbols created within
2102 : the current statement. Otherwise, old_symbol points to a copy of
2103 : the old symbol. gfc_new is used in symbol.cc to flag new symbols.
2104 : comp_mark is used to indicate variables which have component accesses
2105 : in OpenMP/OpenACC directive clauses (cf. c-typeck.cc:c_finish_omp_clauses,
2106 : map_field_head).
2107 : data_mark is used to check duplicate mappings for OpenMP data-sharing
2108 : clauses (see firstprivate_head/lastprivate_head in the above function).
2109 : dev_mark is used to check duplicate mappings for OpenMP
2110 : is_device_ptr/has_device_addr clauses (see is_on_device_head in above
2111 : function).
2112 : gen_mark is used to check duplicate mappings for OpenMP
2113 : use_device_ptr/use_device_addr/private/shared clauses (see generic_head in
2114 : above function).
2115 : reduc_mark is used to check duplicate mappings for OpenMP reduction
2116 : clauses. */
2117 : struct gfc_symbol *old_symbol;
2118 : unsigned mark:1, comp_mark:1, data_mark:1, dev_mark:1, gen_mark:1;
2119 : unsigned reduc_mark:1, gfc_new:1;
2120 :
2121 : /* Nonzero if all equivalences associated with this symbol have been
2122 : processed. */
2123 : unsigned equiv_built:1;
2124 : /* Set if this variable is used as an index name in a FORALL. */
2125 : unsigned forall_index:1;
2126 : /* Set if the symbol is used in a function result specification . */
2127 : unsigned fn_result_spec:1;
2128 : /* Set if the symbol spec. depends on an old-style function result. */
2129 : unsigned fn_result_dep:1;
2130 : /* Used to avoid multiple resolutions of a single symbol. */
2131 : /* = 2 if this has already been resolved as an intrinsic,
2132 : in gfc_resolve_intrinsic,
2133 : = 1 if it has been resolved in resolve_symbol. */
2134 : unsigned resolve_symbol_called:2;
2135 : /* Set if this is a module function or subroutine with the
2136 : abbreviated declaration in a submodule. */
2137 : unsigned abr_modproc_decl:1;
2138 : /* Set if a previous error or warning has occurred and no other
2139 : should be reported. */
2140 : unsigned error:1;
2141 : /* Set if the dummy argument of a procedure could be an array despite
2142 : being called with a scalar actual argument. */
2143 : unsigned maybe_array:1;
2144 : /* Set if this should be passed by value, but is not a VALUE argument
2145 : according to the Fortran standard. */
2146 : unsigned pass_as_value:1;
2147 : /* Set if an external dummy argument is called with different argument lists.
2148 : This is legal in Fortran, but can cause problems with autogenerated
2149 : C prototypes for C23. */
2150 : unsigned ext_dummy_arglist_mismatch:1;
2151 : /* Set if the formal arglist has already been resolved, to avoid
2152 : trying to generate it again from actual arguments. */
2153 : unsigned formal_resolved:1;
2154 :
2155 : /* Reference counter, used for memory management.
2156 :
2157 : Some symbols may be present in more than one namespace, for example
2158 : function and subroutine symbols are present both in the outer namespace and
2159 : the procedure body namespace. Freeing symbols with the namespaces they are
2160 : in would result in double free for those symbols. This field counts
2161 : references and is used to delay the memory release until the last reference
2162 : to the symbol is removed.
2163 :
2164 : Not every symbol pointer is accounted for reference counting. Fields
2165 : gfc_symtree::n::sym are, and gfc_finalizer::proc_sym as well. But most of
2166 : them (dummy arguments, generic list elements, etc) are "weak" pointers;
2167 : the reference count isn't updated when they are assigned, and they are
2168 : ignored when the surrounding structure memory is released. This is not a
2169 : problem because there is always a namespace as surrounding context and
2170 : symbols have a name they can be referred with in that context, so the
2171 : namespace keeps the symbol from being freed, keeping the pointer valid.
2172 : When the namespace ceases to exist, and the symbols with it, the other
2173 : structures referencing symbols cease to exist as well. */
2174 : int refs;
2175 :
2176 : struct gfc_namespace *ns; /* namespace containing this symbol */
2177 :
2178 : tree backend_decl;
2179 :
2180 : /* Identity of the intrinsic module the symbol comes from, or
2181 : INTMOD_NONE if it's not imported from a intrinsic module. */
2182 : intmod_id from_intmod;
2183 : /* Identity of the symbol from intrinsic modules, from enums maintained
2184 : separately by each intrinsic module. Used together with from_intmod,
2185 : it uniquely identifies a symbol from an intrinsic module. */
2186 : int intmod_sym_id;
2187 :
2188 : /* This may be repetitive, since the typespec now has a binding
2189 : label field. */
2190 : const char* binding_label;
2191 : /* Store a reference to the common_block, if this symbol is in one. */
2192 : struct gfc_common_head *common_block;
2193 :
2194 : /* Link to corresponding association-list if this is an associate name. */
2195 : struct gfc_association_list *assoc;
2196 :
2197 : /* Link to next entry in derived type list */
2198 : struct gfc_symbol *dt_next;
2199 :
2200 : /* For when we would like an additional location in an error message. */
2201 : locus other_loc;
2202 :
2203 : /* For when we would like even one more location. Currently used to store
2204 : where a variable is allocated. */
2205 : locus extra_loc;
2206 : }
2207 : gfc_symbol;
2208 :
2209 :
2210 : struct gfc_undo_change_set
2211 : {
2212 : vec<gfc_symbol *> syms;
2213 : vec<gfc_typebound_proc *> tbps;
2214 : gfc_undo_change_set *previous;
2215 : };
2216 :
2217 :
2218 : /* This structure is used to keep track of symbols in common blocks. */
2219 : typedef struct gfc_common_head
2220 : {
2221 : locus where;
2222 : char use_assoc, saved, threadprivate;
2223 : unsigned char omp_declare_target : 1;
2224 : unsigned char omp_declare_target_link : 1;
2225 : unsigned char omp_declare_target_local : 1;
2226 : unsigned char omp_groupprivate : 1;
2227 : ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2;
2228 : /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */
2229 : char name[2*GFC_MAX_SYMBOL_LEN + 1 + 14 + 1];
2230 : struct gfc_symbol *head;
2231 : const char* binding_label;
2232 : int is_bind_c;
2233 : int refs;
2234 : }
2235 : gfc_common_head;
2236 :
2237 : #define gfc_get_common_head() XCNEW (gfc_common_head)
2238 :
2239 :
2240 : /* A list of all the alternate entry points for a procedure. */
2241 :
2242 : typedef struct gfc_entry_list
2243 : {
2244 : /* The symbol for this entry point. */
2245 : gfc_symbol *sym;
2246 : /* The zero-based id of this entry point. */
2247 : int id;
2248 : /* The LABEL_EXPR marking this entry point. */
2249 : tree label;
2250 : /* The next item in the list. */
2251 : struct gfc_entry_list *next;
2252 : }
2253 : gfc_entry_list;
2254 :
2255 : #define gfc_get_entry_list() XCNEW (gfc_entry_list)
2256 :
2257 : /* Lists of rename info for the USE statement. */
2258 :
2259 : typedef struct gfc_use_rename
2260 : {
2261 : char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1];
2262 : struct gfc_use_rename *next;
2263 : int found;
2264 : gfc_intrinsic_op op;
2265 : locus where;
2266 : }
2267 : gfc_use_rename;
2268 :
2269 : #define gfc_get_use_rename() XCNEW (gfc_use_rename);
2270 :
2271 : /* A list of all USE statements in a namespace. */
2272 :
2273 : typedef struct gfc_use_list
2274 : {
2275 : const char *module_name;
2276 : const char *submodule_name;
2277 : bool intrinsic;
2278 : bool non_intrinsic;
2279 : bool only_flag;
2280 : struct gfc_use_rename *rename;
2281 : locus where;
2282 : /* Next USE statement. */
2283 : struct gfc_use_list *next;
2284 : }
2285 : gfc_use_list;
2286 :
2287 : #define gfc_get_use_list() XCNEW (gfc_use_list)
2288 :
2289 : /* Within a namespace, symbols are pointed to by symtree nodes that
2290 : are linked together in a balanced binary tree. There can be
2291 : several symtrees pointing to the same symbol node via USE
2292 : statements. */
2293 :
2294 : typedef struct gfc_symtree
2295 : {
2296 : BBT_HEADER (gfc_symtree);
2297 : const char *name;
2298 : int ambiguous;
2299 : union
2300 : {
2301 : gfc_symbol *sym; /* Symbol associated with this node */
2302 : gfc_user_op *uop;
2303 : gfc_common_head *common;
2304 : gfc_typebound_proc *tb;
2305 : gfc_omp_udr *omp_udr;
2306 : gfc_omp_udm *omp_udm;
2307 : }
2308 : n;
2309 : unsigned import_only:1;
2310 : }
2311 : gfc_symtree;
2312 :
2313 : /* A list of all derived types. */
2314 : extern gfc_symbol *gfc_derived_types;
2315 :
2316 : typedef struct gfc_oacc_routine_name
2317 : {
2318 : struct gfc_symbol *sym;
2319 : struct gfc_omp_clauses *clauses;
2320 : struct gfc_oacc_routine_name *next;
2321 : locus loc;
2322 : }
2323 : gfc_oacc_routine_name;
2324 :
2325 : #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
2326 :
2327 : /* Node in linked list to see what has already been finalized
2328 : earlier. */
2329 :
2330 : typedef struct gfc_was_finalized {
2331 : gfc_expr *e;
2332 : gfc_component *c;
2333 : struct gfc_was_finalized *next;
2334 : }
2335 : gfc_was_finalized;
2336 :
2337 :
2338 : /* Flag F2018 import status */
2339 : enum importstate
2340 : { IMPORT_NOT_SET = 0, /* Default condition. */
2341 : IMPORT_F2008, /* Old style IMPORT. */
2342 : IMPORT_ONLY, /* Import list used. */
2343 : IMPORT_NONE, /* No host association. Unique in scoping unit. */
2344 : IMPORT_ALL /* Must be unique in the scoping unit. */
2345 : };
2346 :
2347 :
2348 : /* A namespace describes the contents of procedure, module, interface block
2349 : or BLOCK construct. */
2350 : /* ??? Anything else use these? */
2351 :
2352 : typedef struct gfc_namespace
2353 : {
2354 : /* Tree containing all the symbols in this namespace. */
2355 : gfc_symtree *sym_root;
2356 : /* Tree containing all the user-defined operators in the namespace. */
2357 : gfc_symtree *uop_root;
2358 : /* Tree containing all the common blocks. */
2359 : gfc_symtree *common_root;
2360 : /* Tree containing all the OpenMP user defined reductions. */
2361 : gfc_symtree *omp_udr_root;
2362 : /* Tree containing all the OpenMP user defined mappers. */
2363 : gfc_symtree *omp_udm_root;
2364 :
2365 : /* Tree containing type-bound procedures. */
2366 : gfc_symtree *tb_sym_root;
2367 : /* Type-bound user operators. */
2368 : gfc_symtree *tb_uop_root;
2369 : /* For derived-types, store type-bound intrinsic operators here. */
2370 : gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS];
2371 : /* Linked list of finalizer procedures. */
2372 : struct gfc_finalizer *finalizers;
2373 :
2374 : /* If set_flag[letter] is set, an implicit type has been set for letter. */
2375 : int set_flag[GFC_LETTERS];
2376 : /* Keeps track of the implicit types associated with the letters. */
2377 : gfc_typespec default_type[GFC_LETTERS];
2378 : /* Store the positions of IMPLICIT statements. */
2379 : locus implicit_loc[GFC_LETTERS];
2380 :
2381 : /* If this is a namespace of a procedure, this points to the procedure. */
2382 : struct gfc_symbol *proc_name;
2383 : /* If this is the namespace of a unit which contains executable
2384 : code, this points to it. */
2385 : struct gfc_code *code;
2386 :
2387 : /* Points to the equivalences set up in this namespace. */
2388 : struct gfc_equiv *equiv, *old_equiv;
2389 :
2390 : /* Points to the equivalence groups produced by trans_common. */
2391 : struct gfc_equiv_list *equiv_lists;
2392 :
2393 : gfc_interface *op[GFC_INTRINSIC_OPS];
2394 :
2395 : /* Points to the parent namespace, i.e. the namespace of a module or
2396 : procedure in which the procedure belonging to this namespace is
2397 : contained. The parent namespace points to this namespace either
2398 : directly via CONTAINED, or indirectly via the chain built by
2399 : SIBLING. */
2400 : struct gfc_namespace *parent;
2401 : /* CONTAINED points to the first contained namespace. Sibling
2402 : namespaces are chained via SIBLING. */
2403 : struct gfc_namespace *contained, *sibling;
2404 :
2405 : gfc_common_head blank_common;
2406 : gfc_access default_access, operator_access[GFC_INTRINSIC_OPS];
2407 :
2408 : gfc_st_label *st_labels;
2409 : /* This list holds information about all the data initializers in
2410 : this namespace. */
2411 : struct gfc_data *data, *old_data;
2412 :
2413 : /* !$ACC DECLARE. */
2414 : gfc_oacc_declare *oacc_declare;
2415 :
2416 : /* !$ACC ROUTINE clauses. */
2417 : gfc_omp_clauses *oacc_routine_clauses;
2418 :
2419 : /* !$ACC TASK AFFINITY iterator symbols. */
2420 : gfc_symbol *omp_affinity_iterators;
2421 :
2422 : /* !$ACC ROUTINE names. */
2423 : gfc_oacc_routine_name *oacc_routine_names;
2424 :
2425 : gfc_charlen *cl_list;
2426 :
2427 : gfc_symbol *derived_types;
2428 :
2429 : int save_all, seen_save, seen_implicit_none;
2430 :
2431 : /* Normally we don't need to refcount namespaces. However when we read
2432 : a module containing a function with multiple entry points, this
2433 : will appear as several functions with the same formal namespace. */
2434 : int refs;
2435 :
2436 : /* A list of all alternate entry points to this procedure (or NULL). */
2437 : gfc_entry_list *entries;
2438 :
2439 : /* A list of USE statements in this namespace. */
2440 : gfc_use_list *use_stmts;
2441 :
2442 : /* Linked list of !$omp declare simd constructs. */
2443 : struct gfc_omp_declare_simd *omp_declare_simd;
2444 :
2445 : /* Linked list of !$omp declare variant constructs. */
2446 : struct gfc_omp_declare_variant *omp_declare_variant;
2447 :
2448 : /* OpenMP assumptions and allocate for static/stack vars. */
2449 : struct gfc_omp_assumptions *omp_assumes;
2450 : struct gfc_omp_namelist *omp_allocate;
2451 :
2452 : /* A hash set for the gfc expressions that have already
2453 : been finalized in this namespace. */
2454 :
2455 : gfc_was_finalized *was_finalized;
2456 :
2457 : /* Set to 1 if namespace is a BLOCK DATA program unit. */
2458 : unsigned is_block_data:1;
2459 :
2460 : /* Set to 1 if namespace is an interface body with "IMPORT" used. */
2461 : unsigned has_import_set:1;
2462 :
2463 : /* Flag F2018 import status */
2464 : ENUM_BITFIELD (importstate) import_state :3;
2465 :
2466 :
2467 : /* Set to 1 if the namespace uses "IMPLICIT NONE (export)". */
2468 : unsigned has_implicit_none_export:1;
2469 :
2470 : /* Set to 1 if resolved has been called for this namespace.
2471 : Holds -1 during resolution. */
2472 : signed resolved:2;
2473 :
2474 : /* Set when resolve_types has been called for this namespace. */
2475 : unsigned types_resolved:1;
2476 :
2477 : /* Set if the associate_name in a select type statement is an
2478 : inferred type. */
2479 : unsigned assoc_name_inferred:1;
2480 :
2481 : /* Set to 1 if code has been generated for this namespace. */
2482 : unsigned translated:1;
2483 :
2484 : /* Set to 1 if symbols in this namespace should be 'construct entities',
2485 : i.e. for BLOCK local variables. */
2486 : unsigned construct_entities:1;
2487 :
2488 : /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
2489 : unsigned omp_udr_ns:1;
2490 :
2491 : /* Set to 1 for !$OMP DECLARE MAPPER namespaces. */
2492 : unsigned omp_udm_ns:1;
2493 :
2494 : /* Set to 1 for !$ACC ROUTINE namespaces. */
2495 : unsigned oacc_routine:1;
2496 :
2497 : /* Set to 1 if there are any calls to procedures with implicit interface. */
2498 : unsigned implicit_interface_calls:1;
2499 :
2500 : /* OpenMP requires. */
2501 : unsigned omp_requires:8;
2502 : unsigned omp_target_seen:1;
2503 :
2504 : /* Set to 1 if this is an implicit OMP structured block. */
2505 : unsigned omp_structured_block:1;
2506 : }
2507 : gfc_namespace;
2508 :
2509 : extern gfc_namespace *gfc_current_ns;
2510 : extern gfc_namespace *gfc_global_ns_list;
2511 :
2512 : /* Global symbols are symbols of global scope. Currently we only use
2513 : this to detect collisions already when parsing.
2514 : TODO: Extend to verify procedure calls. */
2515 :
2516 : enum gfc_symbol_type
2517 : {
2518 : GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE,
2519 : GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA
2520 : };
2521 :
2522 : typedef struct gfc_gsymbol
2523 : {
2524 : BBT_HEADER(gfc_gsymbol);
2525 :
2526 : const char *name;
2527 : const char *sym_name;
2528 : const char *mod_name;
2529 : const char *binding_label;
2530 : enum gfc_symbol_type type;
2531 :
2532 : int defined, used;
2533 : bool bind_c;
2534 : locus where;
2535 : gfc_namespace *ns;
2536 : }
2537 : gfc_gsymbol;
2538 :
2539 : extern gfc_gsymbol *gfc_gsym_root;
2540 :
2541 : /* Information on interfaces being built. */
2542 : typedef struct
2543 : {
2544 : interface_type type;
2545 : gfc_symbol *sym;
2546 : gfc_namespace *ns;
2547 : gfc_user_op *uop;
2548 : gfc_intrinsic_op op;
2549 : }
2550 : gfc_interface_info;
2551 :
2552 : extern gfc_interface_info current_interface;
2553 :
2554 :
2555 : /* Array reference. */
2556 :
2557 : enum gfc_array_ref_dimen_type
2558 : {
2559 : DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN
2560 : };
2561 :
2562 : enum gfc_array_ref_team_type
2563 : {
2564 : TEAM_UNKNOWN = 0, TEAM_UNSET, TEAM_TEAM, TEAM_NUMBER
2565 : };
2566 :
2567 : typedef struct gfc_array_ref
2568 : {
2569 : ar_type type;
2570 : int dimen; /* # of components in the reference */
2571 : int codimen;
2572 : bool in_allocate; /* For coarray checks. */
2573 : enum gfc_array_ref_team_type team_type : 2;
2574 : gfc_expr *team;
2575 : gfc_expr *stat;
2576 : locus where;
2577 : gfc_array_spec *as;
2578 :
2579 : locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */
2580 : struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS],
2581 : *stride[GFC_MAX_DIMENSIONS];
2582 :
2583 : enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS];
2584 : }
2585 : gfc_array_ref;
2586 :
2587 : #define gfc_get_array_ref() XCNEW (gfc_array_ref)
2588 :
2589 :
2590 : /* Component reference nodes. A variable is stored as an expression
2591 : node that points to the base symbol. After that, a singly linked
2592 : list of component reference nodes gives the variable's complete
2593 : resolution. The array_ref component may be present and comes
2594 : before the component component. */
2595 :
2596 : enum ref_type
2597 : { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING, REF_INQUIRY };
2598 :
2599 : enum inquiry_type
2600 : { INQUIRY_RE, INQUIRY_IM, INQUIRY_KIND, INQUIRY_LEN };
2601 :
2602 : typedef struct gfc_ref
2603 : {
2604 : ref_type type;
2605 :
2606 : union
2607 : {
2608 : struct gfc_array_ref ar;
2609 :
2610 : struct
2611 : {
2612 : gfc_component *component;
2613 : gfc_symbol *sym;
2614 : }
2615 : c;
2616 :
2617 : struct
2618 : {
2619 : struct gfc_expr *start, *end; /* Substring */
2620 : gfc_charlen *length;
2621 : }
2622 : ss;
2623 :
2624 : inquiry_type i;
2625 :
2626 : }
2627 : u;
2628 :
2629 : struct gfc_ref *next;
2630 : }
2631 : gfc_ref;
2632 :
2633 : #define gfc_get_ref() XCNEW (gfc_ref)
2634 :
2635 :
2636 : /* Structures representing intrinsic symbols and their arguments lists. */
2637 : typedef struct gfc_intrinsic_arg
2638 : {
2639 : char name[GFC_MAX_SYMBOL_LEN + 1];
2640 :
2641 : gfc_typespec ts;
2642 : unsigned optional:1, value:1;
2643 : ENUM_BITFIELD (sym_intent) intent:2;
2644 :
2645 : struct gfc_intrinsic_arg *next;
2646 : }
2647 : gfc_intrinsic_arg;
2648 :
2649 :
2650 : typedef enum {
2651 : GFC_UNDEFINED_DUMMY_ARG = 0,
2652 : GFC_INTRINSIC_DUMMY_ARG,
2653 : GFC_NON_INTRINSIC_DUMMY_ARG
2654 : }
2655 : gfc_dummy_arg_intrinsicness;
2656 :
2657 : /* dummy arg of either an intrinsic or a user-defined procedure. */
2658 : struct gfc_dummy_arg
2659 : {
2660 : gfc_dummy_arg_intrinsicness intrinsicness;
2661 :
2662 : union {
2663 : gfc_intrinsic_arg *intrinsic;
2664 : gfc_formal_arglist *non_intrinsic;
2665 : } u;
2666 : };
2667 :
2668 : #define gfc_get_dummy_arg() XCNEW (gfc_dummy_arg)
2669 :
2670 :
2671 : const char * gfc_dummy_arg_get_name (gfc_dummy_arg &);
2672 : const gfc_typespec & gfc_dummy_arg_get_typespec (gfc_dummy_arg &);
2673 : bool gfc_dummy_arg_is_optional (gfc_dummy_arg &);
2674 :
2675 :
2676 : /* Specifies the various kinds of check functions used to verify the
2677 : argument lists of intrinsic functions. fX with X an integer refer
2678 : to check functions of intrinsics with X arguments. f1m is used for
2679 : the MAX and MIN intrinsics which can have an arbitrary number of
2680 : arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
2681 : these have special semantics. */
2682 :
2683 : typedef union
2684 : {
2685 : bool (*f0)(void);
2686 : bool (*f1)(struct gfc_expr *);
2687 : bool (*f1m)(gfc_actual_arglist *);
2688 : bool (*f2)(struct gfc_expr *, struct gfc_expr *);
2689 : bool (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2690 : bool (*f5ml)(gfc_actual_arglist *);
2691 : bool (*f6fl)(gfc_actual_arglist *);
2692 : bool (*f3red)(gfc_actual_arglist *);
2693 : bool (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2694 : struct gfc_expr *);
2695 : bool (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2696 : struct gfc_expr *, struct gfc_expr *);
2697 : bool (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2698 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2699 : }
2700 : gfc_check_f;
2701 :
2702 : /* Like gfc_check_f, these specify the type of the simplification
2703 : function associated with an intrinsic. The fX are just like in
2704 : gfc_check_f. cc is used for type conversion functions. */
2705 :
2706 : typedef union
2707 : {
2708 : struct gfc_expr *(*f0)(void);
2709 : struct gfc_expr *(*f1)(struct gfc_expr *);
2710 : struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *);
2711 : struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *,
2712 : struct gfc_expr *);
2713 : struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *,
2714 : struct gfc_expr *, struct gfc_expr *);
2715 : struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *,
2716 : struct gfc_expr *, struct gfc_expr *,
2717 : struct gfc_expr *);
2718 : struct gfc_expr *(*f6)(struct gfc_expr *, struct gfc_expr *,
2719 : struct gfc_expr *, struct gfc_expr *,
2720 : struct gfc_expr *, struct gfc_expr *);
2721 : struct gfc_expr *(*cc)(struct gfc_expr *, bt, int);
2722 : }
2723 : gfc_simplify_f;
2724 :
2725 : /* Again like gfc_check_f, these specify the type of the resolution
2726 : function associated with an intrinsic. The fX are just like in
2727 : gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2728 :
2729 : typedef union
2730 : {
2731 : void (*f0)(struct gfc_expr *);
2732 : void (*f1)(struct gfc_expr *, struct gfc_expr *);
2733 : void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *);
2734 : void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2735 : void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2736 : struct gfc_expr *);
2737 : void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2738 : struct gfc_expr *, struct gfc_expr *);
2739 : void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2740 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *);
2741 : void (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2742 : struct gfc_expr *, struct gfc_expr *, struct gfc_expr *,
2743 : struct gfc_expr *);
2744 : void (*s1)(struct gfc_code *);
2745 : }
2746 : gfc_resolve_f;
2747 :
2748 :
2749 : typedef struct gfc_intrinsic_sym
2750 : {
2751 : const char *name, *lib_name;
2752 : gfc_intrinsic_arg *formal;
2753 : gfc_typespec ts;
2754 : unsigned elemental:1, inquiry:1, transformational:1, pure:1,
2755 : generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1,
2756 : from_module:1, vararg:1;
2757 :
2758 : int standard;
2759 :
2760 : gfc_simplify_f simplify;
2761 : gfc_check_f check;
2762 : gfc_resolve_f resolve;
2763 : struct gfc_intrinsic_sym *specific_head, *next;
2764 : gfc_isym_id id;
2765 :
2766 : }
2767 : gfc_intrinsic_sym;
2768 :
2769 :
2770 : /* Expression nodes. The expression node types deserve explanations,
2771 : since the last couple can be easily misconstrued:
2772 :
2773 : EXPR_OP Operator node pointing to one or two other nodes
2774 : EXPR_FUNCTION Function call, symbol points to function's name
2775 : EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2776 : EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2777 : which expresses structure, array and substring refs.
2778 : EXPR_NULL The NULL pointer value (which also has a basic type).
2779 : EXPR_SUBSTRING A substring of a constant string
2780 : EXPR_STRUCTURE A structure constructor
2781 : EXPR_ARRAY An array constructor.
2782 : EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2783 : component or type-bound procedure. */
2784 :
2785 : #include <mpfr.h>
2786 : #include <mpc.h>
2787 : #define GFC_RND_MODE MPFR_RNDN
2788 : #define GFC_MPC_RND_MODE MPC_RNDNN
2789 :
2790 : typedef splay_tree gfc_constructor_base;
2791 :
2792 :
2793 : /* This should be an unsigned variable of type size_t. But to handle
2794 : compiling to a 64-bit target from a 32-bit host, we need to use a
2795 : HOST_WIDE_INT. Also, occasionally the string length field is used
2796 : as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2797 : So it needs to be signed. */
2798 : typedef HOST_WIDE_INT gfc_charlen_t;
2799 :
2800 : typedef struct gfc_expr
2801 : {
2802 : expr_t expr_type;
2803 :
2804 : gfc_typespec ts; /* These two refer to the overall expression */
2805 :
2806 : int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */
2807 : int corank; /* same as rank, but for coarrays. */
2808 : mpz_t *shape; /* Can be NULL if shape is unknown at compile time */
2809 :
2810 : /* Nonnull for functions and structure constructors, may also used to hold the
2811 : base-object for component calls. */
2812 : gfc_symtree *symtree;
2813 :
2814 : gfc_ref *ref;
2815 :
2816 : locus where;
2817 :
2818 : /* Used to store the base expression in component calls, when the expression
2819 : is not a variable. */
2820 : struct gfc_expr *base_expr;
2821 :
2822 : /* is_snan denotes a signalling not-a-number. */
2823 : unsigned int is_snan : 1;
2824 :
2825 : /* Sometimes, when an error has been emitted, it is necessary to prevent
2826 : it from recurring. */
2827 : unsigned int error : 1;
2828 :
2829 : /* Mark an expression where a user operator has been substituted by
2830 : a function call in interface.cc(gfc_extend_expr). */
2831 : unsigned int user_operator : 1;
2832 :
2833 : /* Mark an expression as being a MOLD argument of ALLOCATE. */
2834 : unsigned int mold : 1;
2835 :
2836 : /* Will require finalization after use. */
2837 : unsigned int must_finalize : 1;
2838 :
2839 : /* Set this if no range check should be performed on this expression. */
2840 :
2841 : unsigned int no_bounds_check : 1;
2842 :
2843 : /* Set this if a matmul expression has already been evaluated for conversion
2844 : to a BLAS call. */
2845 :
2846 : unsigned int external_blas : 1;
2847 :
2848 : /* Set this if resolution has already happened. It could be harmful
2849 : if done again. */
2850 :
2851 : unsigned int do_not_resolve_again : 1;
2852 :
2853 : /* Set this if no warning should be given somewhere in a lower level. */
2854 :
2855 : unsigned int do_not_warn : 1;
2856 :
2857 : /* Set this if the expression came from expanding an array constructor. */
2858 : unsigned int from_constructor : 1;
2859 :
2860 : /* If an expression comes from a Hollerith constant or compile-time
2861 : evaluation of a transfer statement, it may have a prescribed target-
2862 : memory representation, and these cannot always be backformed from
2863 : the value. */
2864 : struct
2865 : {
2866 : gfc_charlen_t length;
2867 : char *string;
2868 : }
2869 : representation;
2870 :
2871 : struct
2872 : {
2873 : int len; /* Length of BOZ string without terminating NULL. */
2874 : int rdx; /* Radix of BOZ. */
2875 : char *str; /* BOZ string with NULL terminating character. */
2876 : }
2877 : boz;
2878 :
2879 : union
2880 : {
2881 : int logical;
2882 :
2883 : io_kind iokind;
2884 :
2885 : mpz_t integer;
2886 :
2887 : mpfr_t real;
2888 :
2889 : mpc_t complex;
2890 :
2891 : struct
2892 : {
2893 : gfc_intrinsic_op op;
2894 : gfc_user_op *uop;
2895 : struct gfc_expr *op1, *op2;
2896 : }
2897 : op;
2898 :
2899 : struct
2900 : {
2901 : gfc_actual_arglist *actual;
2902 : const char *name; /* Points to the ultimate name of the function */
2903 : gfc_intrinsic_sym *isym;
2904 : gfc_symbol *esym;
2905 : }
2906 : function;
2907 :
2908 : struct
2909 : {
2910 : gfc_actual_arglist* actual;
2911 : const char* name;
2912 : /* Base-object, whose component was called. NULL means that it should
2913 : be taken from symtree/ref. */
2914 : struct gfc_expr* base_object;
2915 : gfc_typebound_proc* tbp; /* Should overlap with esym. */
2916 :
2917 : /* For type-bound operators, we want to call PASS procedures but already
2918 : have the full arglist; mark this, so that it is not extended by the
2919 : PASS argument. */
2920 : unsigned ignore_pass:1;
2921 :
2922 : /* Do assign-calls rather than calls, that is appropriate dependency
2923 : checking. */
2924 : unsigned assign:1;
2925 : }
2926 : compcall;
2927 :
2928 : struct
2929 : {
2930 : gfc_charlen_t length;
2931 : gfc_char_t *string;
2932 : }
2933 : character;
2934 :
2935 : gfc_constructor_base constructor;
2936 :
2937 : struct
2938 : {
2939 : struct gfc_expr *condition;
2940 : struct gfc_expr *true_expr;
2941 : struct gfc_expr *false_expr;
2942 : } conditional;
2943 : } value;
2944 :
2945 : /* Used to store PDT expression lists associated with expressions. */
2946 : gfc_actual_arglist *param_list;
2947 :
2948 : }
2949 : gfc_expr;
2950 :
2951 :
2952 : #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2953 :
2954 : /* Structures for information associated with different kinds of
2955 : numbers. The first set of integer parameters define all there is
2956 : to know about a particular kind. The rest of the elements are
2957 : computed from the first elements. */
2958 :
2959 : typedef struct
2960 : {
2961 : /* Values really representable by the target. */
2962 : mpz_t huge, pedantic_min_int, min_int;
2963 :
2964 : int kind, radix, digits, bit_size, range;
2965 :
2966 : /* True if the C type of the given name maps to this precision.
2967 : Note that more than one bit can be set. */
2968 : unsigned int c_char : 1;
2969 : unsigned int c_short : 1;
2970 : unsigned int c_int : 1;
2971 : unsigned int c_long : 1;
2972 : unsigned int c_long_long : 1;
2973 : }
2974 : gfc_integer_info;
2975 :
2976 : extern gfc_integer_info gfc_integer_kinds[];
2977 :
2978 : /* Unsigned numbers, experimental. */
2979 :
2980 : typedef struct
2981 : {
2982 : mpz_t huge, int_min;
2983 :
2984 : int kind, radix, digits, bit_size, range;
2985 :
2986 : /* True if the C type of the given name maps to this precision. Note that
2987 : more than one bit can be set. We will use this later on. */
2988 : unsigned int c_unsigned_char : 1;
2989 : unsigned int c_unsigned_short : 1;
2990 : unsigned int c_unsigned_int : 1;
2991 : unsigned int c_unsigned_long : 1;
2992 : unsigned int c_unsigned_long_long : 1;
2993 : }
2994 : gfc_unsigned_info;
2995 :
2996 : extern gfc_unsigned_info gfc_unsigned_kinds[];
2997 :
2998 : typedef struct
2999 : {
3000 : int kind, bit_size;
3001 :
3002 : /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
3003 : unsigned int c_bool : 1;
3004 : }
3005 : gfc_logical_info;
3006 :
3007 : extern gfc_logical_info gfc_logical_kinds[];
3008 :
3009 :
3010 : typedef struct
3011 : {
3012 : mpfr_t epsilon, huge, tiny, subnormal;
3013 : int kind, abi_kind, radix, digits, min_exponent, max_exponent;
3014 : int range, precision;
3015 :
3016 : /* The precision of the type as reported by GET_MODE_PRECISION. */
3017 : int mode_precision;
3018 :
3019 : /* True if the C type of the given name maps to this precision.
3020 : Note that more than one bit can be set. */
3021 : unsigned int c_float : 1;
3022 : unsigned int c_double : 1;
3023 : unsigned int c_long_double : 1;
3024 : unsigned int c_float128 : 1;
3025 : /* True if for _Float128 C23 IEC 60559 *f128 APIs should be used
3026 : instead of libquadmath *q APIs. */
3027 : unsigned int use_iec_60559 : 1;
3028 : }
3029 : gfc_real_info;
3030 :
3031 : extern gfc_real_info gfc_real_kinds[];
3032 :
3033 : typedef struct
3034 : {
3035 : int kind, bit_size;
3036 : const char *name;
3037 : }
3038 : gfc_character_info;
3039 :
3040 : extern gfc_character_info gfc_character_kinds[];
3041 :
3042 :
3043 : /* Equivalence structures. Equivalent lvalues are linked along the
3044 : *eq pointer, equivalence sets are strung along the *next node. */
3045 : typedef struct gfc_equiv
3046 : {
3047 : struct gfc_equiv *next, *eq;
3048 : gfc_expr *expr;
3049 : const char *module;
3050 : int used;
3051 : }
3052 : gfc_equiv;
3053 :
3054 : #define gfc_get_equiv() XCNEW (gfc_equiv)
3055 :
3056 : /* Holds a single equivalence member after processing. */
3057 : typedef struct gfc_equiv_info
3058 : {
3059 : gfc_symbol *sym;
3060 : HOST_WIDE_INT offset;
3061 : HOST_WIDE_INT length;
3062 : struct gfc_equiv_info *next;
3063 : } gfc_equiv_info;
3064 :
3065 : /* Holds equivalence groups, after they have been processed. */
3066 : typedef struct gfc_equiv_list
3067 : {
3068 : gfc_equiv_info *equiv;
3069 : struct gfc_equiv_list *next;
3070 : } gfc_equiv_list;
3071 :
3072 : /* gfc_case stores the selector list of a case statement. The *low
3073 : and *high pointers can point to the same expression in the case of
3074 : a single value. If *high is NULL, the selection is from *low
3075 : upwards, if *low is NULL the selection is *high downwards.
3076 :
3077 : This structure has separate fields to allow single and double linked
3078 : lists of CASEs at the same time. The single linked list along the NEXT
3079 : field is a list of cases for a single CASE label. The double linked
3080 : list along the LEFT/RIGHT fields is used to detect overlap and to
3081 : build a table of the cases for SELECT constructs with a CHARACTER
3082 : case expression. */
3083 :
3084 : typedef struct gfc_case
3085 : {
3086 : /* Where we saw this case. */
3087 : locus where;
3088 : int n;
3089 :
3090 : /* Case range values. If (low == high), it's a single value. If one of
3091 : the labels is NULL, it's an unbounded case. If both are NULL, this
3092 : represents the default case. */
3093 : gfc_expr *low, *high;
3094 :
3095 : /* Only used for SELECT TYPE. */
3096 : gfc_typespec ts;
3097 :
3098 : /* Next case label in the list of cases for a single CASE label. */
3099 : struct gfc_case *next;
3100 :
3101 : /* Used for detecting overlap, and for code generation. */
3102 : struct gfc_case *left, *right;
3103 :
3104 : /* True if this case label can never be matched. */
3105 : int unreachable;
3106 : }
3107 : gfc_case;
3108 :
3109 : #define gfc_get_case() XCNEW (gfc_case)
3110 :
3111 :
3112 : /* Annotations for loop constructs. */
3113 : typedef struct
3114 : {
3115 : unsigned short unroll;
3116 : bool ivdep;
3117 : bool vector;
3118 : bool novector;
3119 : }
3120 : gfc_loop_annot;
3121 :
3122 :
3123 : typedef struct
3124 : {
3125 : gfc_expr *var, *start, *end, *step;
3126 : gfc_loop_annot annot;
3127 : }
3128 : gfc_iterator;
3129 :
3130 : #define gfc_get_iterator() XCNEW (gfc_iterator)
3131 :
3132 :
3133 : /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
3134 :
3135 : typedef struct gfc_alloc
3136 : {
3137 : gfc_expr *expr;
3138 : struct gfc_alloc *next;
3139 : }
3140 : gfc_alloc;
3141 :
3142 : #define gfc_get_alloc() XCNEW (gfc_alloc)
3143 :
3144 :
3145 : typedef struct
3146 : {
3147 : gfc_expr *unit, *file, *status, *access, *form, *recl,
3148 : *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert,
3149 : *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit,
3150 : *share, *cc;
3151 : char readonly;
3152 : gfc_st_label *err;
3153 : }
3154 : gfc_open;
3155 :
3156 :
3157 : typedef struct
3158 : {
3159 : gfc_expr *unit, *status, *iostat, *iomsg;
3160 : gfc_st_label *err;
3161 : }
3162 : gfc_close;
3163 :
3164 :
3165 : typedef struct
3166 : {
3167 : gfc_expr *unit, *iostat, *iomsg;
3168 : gfc_st_label *err;
3169 : }
3170 : gfc_filepos;
3171 :
3172 :
3173 : typedef struct
3174 : {
3175 : gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named,
3176 : *name, *access, *sequential, *direct, *form, *formatted,
3177 : *unformatted, *recl, *nextrec, *blank, *position, *action, *read,
3178 : *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos,
3179 : *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id,
3180 : *iqstream, *share, *cc;
3181 :
3182 : gfc_st_label *err;
3183 :
3184 : }
3185 : gfc_inquire;
3186 :
3187 :
3188 : typedef struct
3189 : {
3190 : gfc_expr *unit, *iostat, *iomsg, *id;
3191 : gfc_st_label *err, *end, *eor;
3192 : }
3193 : gfc_wait;
3194 :
3195 :
3196 : typedef struct
3197 : {
3198 : gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
3199 : *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
3200 : *sign, *extra_comma, *dt_io_kind, *udtio;
3201 : char dec_ext;
3202 :
3203 : gfc_symbol *namelist;
3204 : /* A format_label of `format_asterisk' indicates the "*" format */
3205 : gfc_st_label *format_label;
3206 : gfc_st_label *err, *end, *eor;
3207 :
3208 : locus eor_where, end_where, err_where;
3209 : }
3210 : gfc_dt;
3211 :
3212 :
3213 : typedef struct gfc_forall_iterator
3214 : {
3215 : gfc_expr *var, *start, *end, *stride;
3216 : gfc_loop_annot annot;
3217 : /* index-name shadows a variable from outer scope. */
3218 : bool shadow;
3219 : struct gfc_forall_iterator *next;
3220 : }
3221 : gfc_forall_iterator;
3222 :
3223 :
3224 : /* Linked list to store associations in an ASSOCIATE statement. */
3225 :
3226 : typedef struct gfc_association_list
3227 : {
3228 : struct gfc_association_list *next;
3229 :
3230 : /* Whether this is association to a variable that can be changed; otherwise,
3231 : it's association to an expression and the name may not be used as
3232 : lvalue. */
3233 : unsigned variable:1;
3234 :
3235 : /* True if this struct is currently only linked to from a gfc_symbol rather
3236 : than as part of a real list in gfc_code->ext.block.assoc. This may
3237 : happen for SELECT TYPE temporaries and must be considered
3238 : for memory handling. */
3239 : unsigned dangling:1;
3240 :
3241 : char name[GFC_MAX_SYMBOL_LEN + 1];
3242 : gfc_symtree *st; /* Symtree corresponding to name. */
3243 : locus where;
3244 :
3245 : gfc_expr *target;
3246 :
3247 : gfc_array_ref *ar;
3248 :
3249 : /* Used for inferring the derived type of an associate name, whose selector
3250 : is a sibling derived type function that has not yet been parsed. */
3251 : gfc_symbol *derived_types;
3252 : unsigned inferred_type:1;
3253 : }
3254 : gfc_association_list;
3255 : #define gfc_get_association_list() XCNEW (gfc_association_list)
3256 :
3257 :
3258 : /* Executable statements that fill gfc_code structures. */
3259 : enum gfc_exec_op
3260 : {
3261 : EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN,
3262 : EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP,
3263 : EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN,
3264 : EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN,
3265 : EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE,
3266 : EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT,
3267 : EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE,
3268 : EXEC_SELECT_TYPE, EXEC_SELECT_RANK, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY,
3269 : EXEC_SYNC_IMAGES, EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT,
3270 : EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END,
3271 : EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH,
3272 : EXEC_FORM_TEAM, EXEC_CHANGE_TEAM, EXEC_END_TEAM, EXEC_SYNC_TEAM,
3273 : EXEC_LOCK, EXEC_UNLOCK, EXEC_EVENT_POST, EXEC_EVENT_WAIT, EXEC_FAIL_IMAGE,
3274 : EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP, EXEC_OACC_SERIAL_LOOP,
3275 : EXEC_OACC_ROUTINE, EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_SERIAL,
3276 : EXEC_OACC_DATA, EXEC_OACC_HOST_DATA, EXEC_OACC_LOOP, EXEC_OACC_UPDATE,
3277 : EXEC_OACC_WAIT, EXEC_OACC_CACHE, EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA,
3278 : EXEC_OACC_ATOMIC, EXEC_OACC_DECLARE,
3279 : EXEC_OMP_CRITICAL, EXEC_OMP_FIRST_OPENMP_EXEC = EXEC_OMP_CRITICAL,
3280 : EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
3281 : EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
3282 : EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
3283 : EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
3284 : EXEC_OMP_ASSUME, EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
3285 : EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT,
3286 : EXEC_OMP_TASKYIELD, EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
3287 : EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
3288 : EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
3289 : EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
3290 : EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
3291 : EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
3292 : EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
3293 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
3294 : EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
3295 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
3296 : EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
3297 : EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
3298 : EXEC_OMP_TARGET_UPDATE, EXEC_OMP_END_CRITICAL,
3299 : EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA,
3300 : EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO,
3301 : EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD,
3302 : EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD, EXEC_OMP_SCAN, EXEC_OMP_DEPOBJ,
3303 : EXEC_OMP_PARALLEL_MASTER, EXEC_OMP_PARALLEL_MASTER_TASKLOOP,
3304 : EXEC_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, EXEC_OMP_MASTER_TASKLOOP,
3305 : EXEC_OMP_MASTER_TASKLOOP_SIMD, EXEC_OMP_LOOP, EXEC_OMP_PARALLEL_LOOP,
3306 : EXEC_OMP_TEAMS_LOOP, EXEC_OMP_TARGET_PARALLEL_LOOP,
3307 : EXEC_OMP_TARGET_TEAMS_LOOP, EXEC_OMP_MASKED, EXEC_OMP_PARALLEL_MASKED,
3308 : EXEC_OMP_PARALLEL_MASKED_TASKLOOP, EXEC_OMP_PARALLEL_MASKED_TASKLOOP_SIMD,
3309 : EXEC_OMP_MASKED_TASKLOOP, EXEC_OMP_MASKED_TASKLOOP_SIMD, EXEC_OMP_SCOPE,
3310 : EXEC_OMP_UNROLL, EXEC_OMP_TILE, EXEC_OMP_INTEROP, EXEC_OMP_METADIRECTIVE,
3311 : EXEC_OMP_ERROR, EXEC_OMP_ALLOCATE, EXEC_OMP_ALLOCATORS, EXEC_OMP_DISPATCH,
3312 : EXEC_OMP_LAST_OPENMP_EXEC = EXEC_OMP_DISPATCH
3313 : };
3314 :
3315 : /* Enum Definition for locality types. */
3316 : enum locality_type
3317 : {
3318 : LOCALITY_LOCAL = 0,
3319 : LOCALITY_LOCAL_INIT,
3320 : LOCALITY_SHARED,
3321 : LOCALITY_REDUCE,
3322 : LOCALITY_NUM
3323 : };
3324 :
3325 : struct sync_stat
3326 : {
3327 : gfc_expr *stat, *errmsg;
3328 : };
3329 :
3330 : typedef struct gfc_code
3331 : {
3332 : gfc_exec_op op;
3333 :
3334 : struct gfc_code *block, *next;
3335 : locus loc;
3336 :
3337 : gfc_st_label *here, *label1, *label2, *label3;
3338 : gfc_symtree *symtree;
3339 : gfc_expr *expr1, *expr2, *expr3, *expr4;
3340 : /* A name isn't sufficient to identify a subroutine, we need the actual
3341 : symbol for the interface definition.
3342 : const char *sub_name; */
3343 : gfc_symbol *resolved_sym;
3344 : gfc_intrinsic_sym *resolved_isym;
3345 :
3346 : union
3347 : {
3348 : gfc_actual_arglist *actual;
3349 : gfc_iterator *iterator;
3350 : gfc_open *open;
3351 : gfc_close *close;
3352 : gfc_filepos *filepos;
3353 : gfc_inquire *inquire;
3354 : gfc_wait *wait;
3355 : gfc_dt *dt;
3356 : struct gfc_code *which_construct;
3357 : gfc_entry_list *entry;
3358 : gfc_oacc_declare *oacc_declare;
3359 : gfc_omp_clauses *omp_clauses;
3360 : const char *omp_name;
3361 : gfc_omp_namelist *omp_namelist;
3362 : gfc_omp_variant *omp_variants;
3363 : bool omp_bool;
3364 : int stop_code;
3365 : struct sync_stat sync_stat;
3366 :
3367 : struct
3368 : {
3369 : gfc_typespec ts;
3370 : gfc_alloc *list;
3371 : /* Take the array specification from expr3 to allocate arrays
3372 : without an explicit array specification. */
3373 : unsigned arr_spec_from_expr3:1;
3374 : /* expr3 is not explicit */
3375 : unsigned expr3_not_explicit:1;
3376 : struct sync_stat sync_stat;
3377 : }
3378 : alloc;
3379 :
3380 : struct
3381 : {
3382 : gfc_namespace *ns;
3383 : gfc_association_list *assoc;
3384 : gfc_case *case_list;
3385 : struct sync_stat sync_stat;
3386 : }
3387 : block;
3388 :
3389 : struct
3390 : {
3391 : gfc_forall_iterator *forall_iterator;
3392 : gfc_expr_list *locality[LOCALITY_NUM];
3393 : bool default_none;
3394 : }
3395 : concur;
3396 : }
3397 : ext; /* Points to additional structures required by statement */
3398 :
3399 : /* Cycle and break labels in constructs. */
3400 : tree cycle_label;
3401 : tree exit_label;
3402 : }
3403 : gfc_code;
3404 :
3405 :
3406 : /* Storage for DATA statements. */
3407 : typedef struct gfc_data_variable
3408 : {
3409 : gfc_expr *expr;
3410 : gfc_iterator iter;
3411 : struct gfc_data_variable *list, *next;
3412 : }
3413 : gfc_data_variable;
3414 :
3415 :
3416 : typedef struct gfc_data_value
3417 : {
3418 : mpz_t repeat;
3419 : gfc_expr *expr;
3420 : struct gfc_data_value *next;
3421 : }
3422 : gfc_data_value;
3423 :
3424 :
3425 : typedef struct gfc_data
3426 : {
3427 : gfc_data_variable *var;
3428 : gfc_data_value *value;
3429 : locus where;
3430 :
3431 : struct gfc_data *next;
3432 : }
3433 : gfc_data;
3434 :
3435 :
3436 : /* Structure for holding compile options */
3437 : typedef struct
3438 : {
3439 : char *module_dir;
3440 : gfc_source_form source_form;
3441 : int max_continue_fixed;
3442 : int max_continue_free;
3443 : int max_identifier_length;
3444 :
3445 : int max_errors;
3446 :
3447 : int flag_preprocessed;
3448 : int flag_d_lines;
3449 : int flag_init_integer;
3450 : long flag_init_integer_value;
3451 : int flag_init_logical;
3452 : int flag_init_character;
3453 : char flag_init_character_value;
3454 : bool disable_omp_is_initial_device:1;
3455 : bool disable_omp_get_initial_device:1;
3456 : bool disable_omp_get_num_devices:1;
3457 : bool disable_acc_on_device:1;
3458 :
3459 : int fpe;
3460 : int fpe_summary;
3461 : int rtcheck;
3462 :
3463 : int warn_std;
3464 : int allow_std;
3465 : }
3466 : gfc_option_t;
3467 :
3468 : extern gfc_option_t gfc_option;
3469 :
3470 : /* Constructor nodes for array and structure constructors. */
3471 : typedef struct gfc_constructor
3472 : {
3473 : gfc_constructor_base base;
3474 : mpz_t offset; /* Offset within a constructor, used as
3475 : key within base. */
3476 :
3477 : gfc_expr *expr;
3478 : gfc_iterator *iterator;
3479 : locus where;
3480 :
3481 : union
3482 : {
3483 : gfc_component *component; /* Record the component being initialized. */
3484 : }
3485 : n;
3486 : mpz_t repeat; /* Record the repeat number of initial values in data
3487 : statement like "data a/5*10/". */
3488 : }
3489 : gfc_constructor;
3490 :
3491 :
3492 : typedef struct iterator_stack
3493 : {
3494 : gfc_symtree *variable;
3495 : mpz_t value;
3496 : struct iterator_stack *prev;
3497 : }
3498 : iterator_stack;
3499 : extern iterator_stack *iter_stack;
3500 :
3501 :
3502 : /* Used for (possibly nested) SELECT TYPE statements. */
3503 : typedef struct gfc_select_type_stack
3504 : {
3505 : gfc_symbol *selector; /* Current selector variable. */
3506 : gfc_symtree *tmp; /* Current temporary variable. */
3507 : struct gfc_select_type_stack *prev; /* Previous element on stack. */
3508 : }
3509 : gfc_select_type_stack;
3510 : extern gfc_select_type_stack *select_type_stack;
3511 : #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
3512 :
3513 :
3514 : /* Node in the linked list used for storing finalizer procedures. */
3515 :
3516 : typedef struct gfc_finalizer
3517 : {
3518 : struct gfc_finalizer* next;
3519 : locus where; /* Where the FINAL declaration occurred. */
3520 :
3521 : /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
3522 : symtree and later need only that. This way, we can access and call the
3523 : finalizers from every context as they should be "always accessible". I
3524 : don't make this a union because we need the information whether proc_sym is
3525 : still referenced or not for dereferencing it on deleting a gfc_finalizer
3526 : structure. */
3527 : gfc_symbol* proc_sym;
3528 : gfc_symtree* proc_tree;
3529 : }
3530 : gfc_finalizer;
3531 : #define gfc_get_finalizer() XCNEW (gfc_finalizer)
3532 :
3533 :
3534 : /************************ Function prototypes *************************/
3535 :
3536 :
3537 : /* Returns true if the type specified in TS is a character type whose length
3538 : is the constant one. Otherwise returns false. */
3539 :
3540 : inline bool
3541 22344 : gfc_length_one_character_type_p (gfc_typespec *ts)
3542 : {
3543 22344 : return ts->type == BT_CHARACTER
3544 763 : && ts->u.cl
3545 763 : && ts->u.cl->length
3546 762 : && ts->u.cl->length->expr_type == EXPR_CONSTANT
3547 762 : && ts->u.cl->length->ts.type == BT_INTEGER
3548 23106 : && mpz_cmp_ui (ts->u.cl->length->value.integer, 1) == 0;
3549 : }
3550 :
3551 : /* decl.cc */
3552 : bool gfc_in_match_data (void);
3553 : match gfc_match_char_spec (gfc_typespec *);
3554 : extern int directive_unroll;
3555 : extern bool directive_ivdep;
3556 : extern bool directive_vector;
3557 : extern bool directive_novector;
3558 :
3559 : /* SIMD clause enum. */
3560 : enum gfc_simd_clause
3561 : {
3562 : SIMD_NONE = (1 << 0),
3563 : SIMD_INBRANCH = (1 << 1),
3564 : SIMD_NOTINBRANCH = (1 << 2)
3565 : };
3566 :
3567 : /* Tuple for parsing of vectorized built-ins. */
3568 : struct gfc_vect_builtin_tuple
3569 : {
3570 : gfc_vect_builtin_tuple (const char *n, gfc_simd_clause t)
3571 : : name (n), simd_type (t) {}
3572 :
3573 : const char *name;
3574 : gfc_simd_clause simd_type;
3575 : };
3576 :
3577 : /* Map of middle-end built-ins that should be vectorized. */
3578 : extern hash_map<nofree_string_hash, int> *gfc_vectorized_builtins;
3579 :
3580 : /* Handling Parameterized Derived Types */
3581 : bool gfc_insert_parameter_exprs (gfc_expr *, gfc_actual_arglist *);
3582 : void gfc_correct_parm_expr (gfc_symbol *, gfc_expr **);
3583 : match gfc_get_pdt_instance (gfc_actual_arglist *, gfc_symbol **,
3584 : gfc_actual_arglist **);
3585 :
3586 :
3587 : /* Given a symbol, test whether it is a module procedure in a submodule */
3588 : #define gfc_submodule_procedure(attr) \
3589 : (gfc_state_stack->previous && gfc_state_stack->previous->previous \
3590 : && gfc_state_stack->previous->previous->state == COMP_SUBMODULE \
3591 : && attr->module_procedure)
3592 :
3593 : /* scanner.cc */
3594 : void gfc_scanner_done_1 (void);
3595 : void gfc_scanner_init_1 (void);
3596 :
3597 : void gfc_add_include_path (const char *, bool, bool, bool, bool);
3598 : void gfc_add_intrinsic_modules_path (const char *);
3599 : void gfc_release_include_path (void);
3600 : void gfc_check_include_dirs (bool);
3601 : FILE *gfc_open_included_file (const char *, bool, bool);
3602 :
3603 : bool gfc_at_end (void);
3604 : bool gfc_at_eof (void);
3605 : bool gfc_at_bol (void);
3606 : bool gfc_at_eol (void);
3607 : void gfc_advance_line (void);
3608 : bool gfc_define_undef_line (void);
3609 :
3610 : bool gfc_wide_is_printable (gfc_char_t);
3611 : bool gfc_wide_is_digit (gfc_char_t);
3612 : bool gfc_wide_fits_in_byte (gfc_char_t);
3613 : gfc_char_t gfc_wide_tolower (gfc_char_t);
3614 : gfc_char_t gfc_wide_toupper (gfc_char_t);
3615 : size_t gfc_wide_strlen (const gfc_char_t *);
3616 : int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t);
3617 : gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t);
3618 : char *gfc_widechar_to_char (const gfc_char_t *, int);
3619 : gfc_char_t *gfc_char_to_widechar (const char *);
3620 :
3621 : #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
3622 :
3623 : void gfc_skip_comments (void);
3624 : gfc_char_t gfc_next_char_literal (gfc_instring);
3625 : gfc_char_t gfc_next_char (void);
3626 : char gfc_next_ascii_char (void);
3627 : gfc_char_t gfc_peek_char (void);
3628 : char gfc_peek_ascii_char (void);
3629 : void gfc_error_recovery (void);
3630 : void gfc_gobble_whitespace (void);
3631 : void gfc_new_file (void);
3632 : const char * gfc_read_orig_filename (const char *, const char **);
3633 :
3634 : extern gfc_source_form gfc_current_form;
3635 : extern const char *gfc_source_file;
3636 : extern locus gfc_current_locus;
3637 :
3638 : void gfc_start_source_files (void);
3639 : void gfc_end_source_files (void);
3640 :
3641 : /* misc.cc */
3642 : void gfc_clear_ts (gfc_typespec *);
3643 : FILE *gfc_open_file (const char *);
3644 : const char *gfc_basic_typename (bt);
3645 : const char *gfc_dummy_typename (gfc_typespec *);
3646 : const char *gfc_typename (gfc_typespec *, bool for_hash = false);
3647 : const char *gfc_typename (gfc_expr *);
3648 : const char *gfc_op2string (gfc_intrinsic_op);
3649 : const char *gfc_code2string (const mstring *, int);
3650 : int gfc_string2code (const mstring *, const char *);
3651 : const char *gfc_intent_string (sym_intent);
3652 :
3653 : void gfc_init_1 (void);
3654 : void gfc_init_2 (void);
3655 : void gfc_done_1 (void);
3656 : void gfc_done_2 (void);
3657 :
3658 : int get_c_kind (const char *, CInteropKind_t *);
3659 :
3660 : const char * gfc_var_name_for_select_type_temp (gfc_expr *);
3661 :
3662 : const char *gfc_closest_fuzzy_match (const char *, char **);
3663 : inline void
3664 601 : vec_push (char **&optr, size_t &osz, const char *elt)
3665 : {
3666 : /* {auto,}vec.safe_push () replacement. Don't ask.. */
3667 : // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
3668 601 : optr = XRESIZEVEC (char *, optr, osz + 2);
3669 601 : optr[osz] =
3670 : #ifdef __cplusplus
3671 : const_cast<char *> (elt);
3672 : #else
3673 : (__extension__ (union {const char *_q; const char *_nq;})(elt))._nq;
3674 : #endif
3675 601 : optr[++osz] = NULL;
3676 601 : }
3677 :
3678 : HOST_WIDE_INT gfc_mpz_get_hwi (mpz_t);
3679 : void gfc_mpz_set_hwi (mpz_t, const HOST_WIDE_INT);
3680 :
3681 : /* options.cc */
3682 : unsigned int gfc_option_lang_mask (void);
3683 : void gfc_init_options_struct (struct gcc_options *);
3684 : void gfc_init_options (unsigned int,
3685 : struct cl_decoded_option *);
3686 : bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT, int, location_t,
3687 : const struct cl_option_handlers *);
3688 : bool gfc_post_options (const char **);
3689 : char *gfc_get_option_string (void);
3690 :
3691 : /* f95-lang.cc */
3692 : void gfc_maybe_initialize_eh (void);
3693 :
3694 : /* iresolve.cc */
3695 : const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1;
3696 : bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *);
3697 :
3698 : /* error.cc */
3699 : locus gfc_get_location_range (locus *, unsigned, locus *, unsigned, locus *);
3700 : location_t gfc_get_location_with_offset (locus *, unsigned);
3701 : inline location_t
3702 3831218 : gfc_get_location (locus *loc)
3703 : {
3704 3831147 : return gfc_get_location_with_offset (loc, 0);
3705 : }
3706 :
3707 : void gfc_error_init_1 (void);
3708 : void gfc_diagnostics_init (void);
3709 : void gfc_diagnostics_finish (void);
3710 : void gfc_buffer_error (bool);
3711 :
3712 : const char *gfc_print_wide_char (gfc_char_t);
3713 :
3714 : bool gfc_warning (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3715 : bool gfc_warning_now (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3716 : bool gfc_warning_internal (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3717 : bool gfc_warning_now_at (location_t loc, int opt, const char *gmsgid, ...)
3718 : ATTRIBUTE_GCC_GFC(3,4);
3719 :
3720 : void gfc_clear_warning (void);
3721 : void gfc_warning_check (void);
3722 :
3723 : void gfc_error_opt (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3724 : void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3725 : void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
3726 : void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
3727 : void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2);
3728 : void gfc_clear_error (void);
3729 : bool gfc_error_check (void);
3730 : bool gfc_error_flag_test (void);
3731 : bool gfc_buffered_p (void);
3732 :
3733 : notification gfc_notification_std (int);
3734 : bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
3735 :
3736 : /* A general purpose syntax error. */
3737 : #define gfc_syntax_error(ST) \
3738 : gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
3739 :
3740 : #include "diagnostics/buffering.h" /* For diagnostics::buffer. */
3741 8617216 : struct gfc_error_buffer
3742 : {
3743 : bool flag;
3744 : diagnostics::buffer buffer;
3745 :
3746 : gfc_error_buffer();
3747 : };
3748 :
3749 : void gfc_push_error (gfc_error_buffer *);
3750 : void gfc_pop_error (gfc_error_buffer *);
3751 : void gfc_free_error (gfc_error_buffer *);
3752 :
3753 : void gfc_get_errors (int *, int *);
3754 : void gfc_errors_to_warnings (bool);
3755 :
3756 : /* arith.cc */
3757 : void gfc_arith_init_1 (void);
3758 : void gfc_arith_done_1 (void);
3759 : arith gfc_check_integer_range (mpz_t p, int kind);
3760 : arith gfc_check_unsigned_range (mpz_t p, int kind);
3761 : bool gfc_check_character_range (gfc_char_t, int);
3762 : const char *gfc_arith_error (arith);
3763 : void gfc_reduce_unsigned (gfc_expr *e);
3764 :
3765 : extern bool gfc_seen_div0;
3766 :
3767 : /* trans-types.cc */
3768 : int gfc_validate_kind (bt, int, bool);
3769 : int gfc_get_int_kind_from_width_isofortranenv (int size);
3770 : int gfc_get_uint_kind_from_width_isofortranenv (int size);
3771 : int gfc_get_real_kind_from_width_isofortranenv (int size);
3772 : tree gfc_get_union_type (gfc_symbol *);
3773 : tree gfc_get_derived_type (gfc_symbol * derived, int codimen = 0);
3774 : extern int gfc_index_integer_kind;
3775 : extern int gfc_default_integer_kind;
3776 : extern int gfc_default_unsigned_kind;
3777 : extern int gfc_max_integer_kind;
3778 : extern int gfc_default_real_kind;
3779 : extern int gfc_default_double_kind;
3780 : extern int gfc_default_character_kind;
3781 : extern int gfc_default_logical_kind;
3782 : extern int gfc_default_complex_kind;
3783 : extern int gfc_c_int_kind;
3784 : extern int gfc_c_uint_kind;
3785 : extern int gfc_c_intptr_kind;
3786 : extern int gfc_atomic_int_kind;
3787 : extern int gfc_atomic_logical_kind;
3788 : extern int gfc_intio_kind;
3789 : extern int gfc_charlen_int_kind;
3790 : extern int gfc_size_kind;
3791 : extern int gfc_numeric_storage_size;
3792 : extern int gfc_character_storage_size;
3793 :
3794 : #define gfc_logical_4_kind 4
3795 : #define gfc_integer_4_kind 4
3796 : #define gfc_real_4_kind 4
3797 :
3798 : #define gfc_integer_8_kind 8
3799 :
3800 : /* symbol.cc */
3801 : void gfc_clear_new_implicit (void);
3802 : bool gfc_add_new_implicit_range (int, int);
3803 : bool gfc_merge_new_implicit (gfc_typespec *);
3804 : void gfc_set_implicit_none (bool, bool, locus *);
3805 : void gfc_check_function_type (gfc_namespace *);
3806 : bool gfc_is_intrinsic_typename (const char *);
3807 : bool gfc_check_conflict (symbol_attribute *, const char *, locus *);
3808 :
3809 : gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *);
3810 : bool gfc_set_default_type (gfc_symbol *, int, gfc_namespace *);
3811 :
3812 : void gfc_set_sym_referenced (gfc_symbol *);
3813 :
3814 : bool gfc_add_attribute (symbol_attribute *, locus *);
3815 : bool gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *);
3816 : bool gfc_add_allocatable (symbol_attribute *, locus *);
3817 : bool gfc_add_codimension (symbol_attribute *, const char *, locus *);
3818 : bool gfc_add_contiguous (symbol_attribute *, const char *, locus *);
3819 : bool gfc_add_dimension (symbol_attribute *, const char *, locus *);
3820 : bool gfc_add_external (symbol_attribute *, locus *);
3821 : bool gfc_add_intrinsic (symbol_attribute *, locus *);
3822 : bool gfc_add_optional (symbol_attribute *, locus *);
3823 : bool gfc_add_kind (symbol_attribute *, locus *);
3824 : bool gfc_add_len (symbol_attribute *, locus *);
3825 : bool gfc_add_pointer (symbol_attribute *, locus *);
3826 : bool gfc_add_cray_pointer (symbol_attribute *, locus *);
3827 : bool gfc_add_cray_pointee (symbol_attribute *, locus *);
3828 : match gfc_mod_pointee_as (gfc_array_spec *);
3829 : bool gfc_add_protected (symbol_attribute *, const char *, locus *);
3830 : bool gfc_add_result (symbol_attribute *, const char *, locus *);
3831 : bool gfc_add_automatic (symbol_attribute *, const char *, locus *);
3832 : bool gfc_add_save (symbol_attribute *, save_state, const char *, locus *);
3833 : bool gfc_add_threadprivate (symbol_attribute *, const char *, locus *);
3834 : bool gfc_add_omp_declare_target (symbol_attribute *, const char *, locus *);
3835 : bool gfc_add_omp_declare_target_link (symbol_attribute *, const char *,
3836 : locus *);
3837 : bool gfc_add_omp_declare_target_local (symbol_attribute *, const char *,
3838 : locus *);
3839 : bool gfc_add_omp_groupprivate (symbol_attribute *, const char *, locus *);
3840 : bool gfc_add_target (symbol_attribute *, locus *);
3841 : bool gfc_add_dummy (symbol_attribute *, const char *, locus *);
3842 : bool gfc_add_generic (symbol_attribute *, const char *, locus *);
3843 : bool gfc_add_in_common (symbol_attribute *, const char *, locus *);
3844 : bool gfc_add_in_equivalence (symbol_attribute *, const char *, locus *);
3845 : bool gfc_add_data (symbol_attribute *, const char *, locus *);
3846 : bool gfc_add_in_namelist (symbol_attribute *, const char *, locus *);
3847 : bool gfc_add_sequence (symbol_attribute *, const char *, locus *);
3848 : bool gfc_add_elemental (symbol_attribute *, locus *);
3849 : bool gfc_add_pure (symbol_attribute *, locus *);
3850 : bool gfc_add_recursive (symbol_attribute *, locus *);
3851 : bool gfc_add_function (symbol_attribute *, const char *, locus *);
3852 : bool gfc_add_subroutine (symbol_attribute *, const char *, locus *);
3853 : bool gfc_add_volatile (symbol_attribute *, const char *, locus *);
3854 : bool gfc_add_asynchronous (symbol_attribute *, const char *, locus *);
3855 : bool gfc_add_proc (symbol_attribute *attr, const char *name, locus *where);
3856 : bool gfc_add_abstract (symbol_attribute* attr, locus* where);
3857 :
3858 : bool gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *);
3859 : bool gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int);
3860 : bool gfc_add_extension (symbol_attribute *, locus *);
3861 : bool gfc_add_value (symbol_attribute *, const char *, locus *);
3862 : bool gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *);
3863 : bool gfc_add_entry (symbol_attribute *, const char *, locus *);
3864 : bool gfc_add_procedure (symbol_attribute *, procedure_type,
3865 : const char *, locus *);
3866 : bool gfc_add_intent (symbol_attribute *, sym_intent, locus *);
3867 : bool gfc_add_explicit_interface (gfc_symbol *, ifsrc,
3868 : gfc_formal_arglist *, locus *);
3869 : bool gfc_add_type (gfc_symbol *, gfc_typespec *, locus *);
3870 :
3871 : void gfc_clear_attr (symbol_attribute *);
3872 : bool gfc_missing_attr (symbol_attribute *, locus *);
3873 : bool gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *);
3874 : int gfc_copy_dummy_sym (gfc_symbol **, gfc_symbol *, int);
3875 : bool gfc_add_component (gfc_symbol *, const char *, gfc_component **);
3876 : void gfc_free_component (gfc_component *);
3877 : gfc_symbol *gfc_use_derived (gfc_symbol *);
3878 : gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool,
3879 : gfc_ref **);
3880 : int gfc_find_derived_types (gfc_symbol *, gfc_namespace *, const char *,
3881 : bool stash = false);
3882 :
3883 : gfc_st_label *gfc_get_st_label (int);
3884 : void gfc_free_st_label (gfc_st_label *);
3885 : void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *);
3886 : bool gfc_reference_st_label (gfc_st_label *, gfc_sl_type);
3887 : gfc_st_label *gfc_rebind_label (gfc_st_label *, int);
3888 :
3889 : gfc_namespace *gfc_get_namespace (gfc_namespace *, int);
3890 : gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *);
3891 : void gfc_delete_symtree (gfc_symtree **, const char *);
3892 : gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *);
3893 : gfc_symtree *gfc_get_unique_symtree (gfc_namespace *);
3894 : gfc_user_op *gfc_get_uop (const char *);
3895 : gfc_user_op *gfc_find_uop (const char *, gfc_namespace *);
3896 : void gfc_free_symbol (gfc_symbol *&);
3897 : bool gfc_release_symbol (gfc_symbol *&);
3898 : gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *, locus * = NULL);
3899 : gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *);
3900 : int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **);
3901 : bool gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **);
3902 : int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **,
3903 : locus * = NULL);
3904 : bool gfc_find_symbol_by_name (const char *, gfc_namespace *,
3905 : gfc_symbol **);
3906 : bool gfc_verify_c_interop (gfc_typespec *);
3907 : bool gfc_verify_c_interop_param (gfc_symbol *);
3908 : bool verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *);
3909 : bool verify_bind_c_derived_type (gfc_symbol *);
3910 : bool verify_com_block_vars_c_interop (gfc_common_head *);
3911 : gfc_symtree *generate_isocbinding_symbol (const char *, iso_c_binding_symbol,
3912 : const char *, gfc_symtree *, bool);
3913 : void gfc_save_symbol_data (gfc_symbol *);
3914 : int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool,
3915 : locus * = NULL);
3916 : int gfc_get_ha_symbol (const char *, gfc_symbol **, locus * = NULL);
3917 : int gfc_get_ha_sym_tree (const char *, gfc_symtree **, locus * = NULL);
3918 :
3919 : void gfc_drop_last_undo_checkpoint (void);
3920 : void gfc_restore_last_undo_checkpoint (void);
3921 : void gfc_undo_symbols (void);
3922 : void gfc_commit_symbols (void);
3923 : void gfc_commit_symbol (gfc_symbol *);
3924 : gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *);
3925 : void gfc_free_namespace (gfc_namespace *&);
3926 :
3927 : void gfc_symbol_init_2 (void);
3928 : void gfc_symbol_done_2 (void);
3929 :
3930 : void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *));
3931 : void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *));
3932 : void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
3933 : void gfc_save_all (gfc_namespace *);
3934 :
3935 : void gfc_enforce_clean_symbol_state (void);
3936 :
3937 : gfc_gsymbol *gfc_get_gsymbol (const char *, bool bind_c);
3938 : gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *);
3939 : gfc_gsymbol *gfc_find_case_gsymbol (gfc_gsymbol *, const char *);
3940 : void gfc_traverse_gsymbol (gfc_gsymbol *, void (*)(gfc_gsymbol *, void *), void *);
3941 :
3942 : gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*);
3943 : gfc_symbol* gfc_get_derived_super_type (gfc_symbol*);
3944 : bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *);
3945 : bool gfc_pdt_is_instance_of (gfc_symbol *, gfc_symbol *);
3946 : bool gfc_type_compatible (gfc_typespec *, gfc_typespec *);
3947 :
3948 : void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *,
3949 : gfc_actual_arglist *, bool copy_type = false);
3950 :
3951 : void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.cc, too */
3952 :
3953 : bool gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus);
3954 : gfc_namespace* gfc_find_proc_namespace (gfc_namespace*);
3955 :
3956 : bool gfc_is_associate_pointer (gfc_symbol*);
3957 : gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *);
3958 : gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *);
3959 :
3960 : gfc_namespace * gfc_get_procedure_ns (gfc_symbol *);
3961 : gfc_namespace * gfc_get_spec_ns (gfc_symbol *);
3962 :
3963 : /* intrinsic.cc -- true if working in an init-expr, false otherwise. */
3964 : extern bool gfc_init_expr_flag;
3965 :
3966 : /* Given a symbol that we have decided is intrinsic, mark it as such
3967 : by placing it into a special module that is otherwise impossible to
3968 : read or write. */
3969 :
3970 : #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3971 :
3972 : void gfc_intrinsic_init_1 (void);
3973 : void gfc_intrinsic_done_1 (void);
3974 :
3975 : char gfc_type_letter (bt, bool logical_equals_int = false);
3976 : int gfc_type_abi_kind (bt, int);
3977 : inline int
3978 16050219 : gfc_type_abi_kind (gfc_typespec *ts)
3979 : {
3980 16050219 : return gfc_type_abi_kind (ts->type, ts->kind);
3981 : }
3982 : gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *);
3983 : gfc_symbol *gfc_get_intrinsic_function_symbol (gfc_expr *);
3984 : gfc_symbol *gfc_find_intrinsic_symbol (gfc_expr *);
3985 : bool gfc_convert_type (gfc_expr *, gfc_typespec *, int);
3986 : bool gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int,
3987 : bool array = false);
3988 : bool gfc_convert_chartype (gfc_expr *, gfc_typespec *);
3989 : bool gfc_generic_intrinsic (const char *);
3990 : bool gfc_specific_intrinsic (const char *);
3991 : bool gfc_is_intrinsic (gfc_symbol*, int, locus);
3992 : bool gfc_intrinsic_actual_ok (const char *, const bool);
3993 : gfc_intrinsic_sym *gfc_find_function (const char *);
3994 : gfc_intrinsic_sym *gfc_find_subroutine (const char *);
3995 : gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id);
3996 : gfc_intrinsic_sym *gfc_intrinsic_subroutine_by_id (gfc_isym_id);
3997 : gfc_isym_id gfc_isym_id_by_intmod (intmod_id, int);
3998 : gfc_isym_id gfc_isym_id_by_intmod_sym (gfc_symbol *);
3999 :
4000 :
4001 : match gfc_intrinsic_func_interface (gfc_expr *, int);
4002 : match gfc_intrinsic_sub_interface (gfc_code *, int);
4003 :
4004 : void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool);
4005 : bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**,
4006 : bool, locus);
4007 :
4008 : bool gfc_value_set_at (gfc_symbol *, locus *loc,
4009 : enum value_set);
4010 : bool gfc_lvalue_allocated_at (gfc_symbol *, locus *);
4011 : void gfc_mark_lhs_as_used (gfc_expr *, locus *);
4012 :
4013 : void gfc_value_used_expr (gfc_expr *, enum value_used);
4014 : void gfc_value_set_and_used (gfc_expr *, locus *loc,
4015 : enum value_set, enum value_used);
4016 : void gfc_used_in_allocate_expr (gfc_expr *, locus *loc);
4017 : void gfc_expr_set_at (gfc_expr *, locus *loc, enum value_set);
4018 :
4019 :
4020 : /* match.cc -- FIXME */
4021 : void gfc_free_iterator (gfc_iterator *, int);
4022 : void gfc_free_forall_iterator (gfc_forall_iterator *);
4023 : void gfc_free_alloc_list (gfc_alloc *);
4024 : void gfc_free_namelist (gfc_namelist *);
4025 : void gfc_free_omp_namelist (gfc_omp_namelist *, enum gfc_omp_list_type);
4026 : void gfc_free_equiv (gfc_equiv *);
4027 : void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *);
4028 : void gfc_free_data (gfc_data *);
4029 : void gfc_reject_data (gfc_namespace *);
4030 : void gfc_free_case_list (gfc_case *);
4031 :
4032 : /* matchexp.cc -- FIXME too? */
4033 : gfc_expr *gfc_get_parentheses (gfc_expr *);
4034 :
4035 : /* openmp.cc */
4036 : struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; };
4037 : bool gfc_omp_requires_add_clause (gfc_omp_requires_kind, const char *,
4038 : locus *, const char *);
4039 : void gfc_check_omp_requires (gfc_namespace *, int);
4040 : void gfc_free_omp_clauses (gfc_omp_clauses *);
4041 : void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare *);
4042 : void gfc_free_omp_declare_variant_list (gfc_omp_declare_variant *list);
4043 : void gfc_free_omp_declare_simd (gfc_omp_declare_simd *);
4044 : void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd *);
4045 : void gfc_free_omp_udr (gfc_omp_udr *);
4046 : void gfc_free_omp_udm (gfc_omp_udm *);
4047 : void gfc_free_omp_variants (gfc_omp_variant *);
4048 : gfc_omp_udr *gfc_omp_udr_find (gfc_symtree *, gfc_typespec *);
4049 : gfc_omp_udm *gfc_omp_udm_find (gfc_symtree *, gfc_typespec *);
4050 : gfc_omp_udm *gfc_find_omp_udm (gfc_namespace *ns, const char *mapper_id,
4051 : gfc_typespec *ts);
4052 : void gfc_resolve_omp_allocate (gfc_namespace *, gfc_omp_namelist *);
4053 : void gfc_resolve_omp_assumptions (gfc_omp_assumptions *);
4054 : void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *);
4055 : void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *, bool);
4056 : void gfc_resolve_omp_local_vars (gfc_namespace *);
4057 : void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *);
4058 : void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *);
4059 : void gfc_resolve_omp_declare (gfc_namespace *);
4060 : void gfc_resolve_omp_udrs (gfc_symtree *);
4061 : void gfc_resolve_omp_udms (gfc_symtree *);
4062 : void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *);
4063 : void gfc_omp_restore_state (struct gfc_omp_saved_state *);
4064 : void gfc_free_expr_list (gfc_expr_list *);
4065 : void gfc_resolve_oacc_directive (gfc_code *, gfc_namespace *);
4066 : void gfc_resolve_oacc_declare (gfc_namespace *);
4067 : void gfc_resolve_oacc_blocks (gfc_code *, gfc_namespace *);
4068 : void gfc_resolve_oacc_routines (gfc_namespace *);
4069 :
4070 : /* expr.cc */
4071 : void gfc_free_actual_arglist (gfc_actual_arglist *);
4072 : gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *);
4073 :
4074 : bool gfc_extract_int (gfc_expr *, int *, int = 0);
4075 : bool gfc_extract_hwi (gfc_expr *, HOST_WIDE_INT *, int = 0);
4076 :
4077 : bool is_CFI_desc (gfc_symbol *, gfc_expr *);
4078 : bool is_subref_array (gfc_expr *);
4079 : bool gfc_is_simply_contiguous (gfc_expr *, bool, bool);
4080 : bool gfc_is_not_contiguous (gfc_expr *);
4081 : bool gfc_check_init_expr (gfc_expr *);
4082 :
4083 : gfc_expr *gfc_build_conversion (gfc_expr *);
4084 : void gfc_free_ref_list (gfc_ref *);
4085 : void gfc_type_convert_binary (gfc_expr *, int);
4086 : bool gfc_is_constant_expr (gfc_expr *);
4087 : bool gfc_simplify_expr (gfc_expr *, int);
4088 : bool gfc_try_simplify_expr (gfc_expr *, int);
4089 : bool gfc_has_vector_index (gfc_expr *);
4090 : bool gfc_is_ptr_fcn (gfc_expr *);
4091 :
4092 : gfc_expr *gfc_get_expr (void);
4093 : gfc_expr *gfc_get_array_expr (bt type, int kind, locus *);
4094 : gfc_expr *gfc_get_null_expr (locus *);
4095 : gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op, gfc_expr *,
4096 : gfc_expr *);
4097 : gfc_expr *gfc_get_conditional_expr (locus *, gfc_expr *, gfc_expr *,
4098 : gfc_expr *);
4099 : gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *);
4100 : gfc_expr *gfc_get_constant_expr (bt, int, locus *);
4101 : gfc_expr *gfc_get_character_expr (int, locus *, const char *, gfc_charlen_t len);
4102 : gfc_expr *gfc_get_int_expr (int, locus *, HOST_WIDE_INT);
4103 : gfc_expr *gfc_get_unsigned_expr (int, locus *, HOST_WIDE_INT);
4104 : gfc_expr *gfc_get_logical_expr (int, locus *, bool);
4105 : gfc_expr *gfc_get_iokind_expr (locus *, io_kind);
4106 :
4107 : void gfc_clear_shape (mpz_t *shape, int rank);
4108 : void gfc_free_shape (mpz_t **shape, int rank);
4109 : void gfc_free_expr (gfc_expr *);
4110 : void gfc_replace_expr (gfc_expr *, gfc_expr *);
4111 : mpz_t *gfc_copy_shape (mpz_t *, int);
4112 : mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *);
4113 : gfc_expr *gfc_copy_expr (gfc_expr *);
4114 : gfc_ref* gfc_copy_ref (gfc_ref*);
4115 :
4116 : bool gfc_specification_expr (gfc_expr *);
4117 :
4118 : bool gfc_numeric_ts (gfc_typespec *);
4119 : int gfc_kind_max (gfc_expr *, gfc_expr *);
4120 :
4121 : bool gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3;
4122 : bool gfc_check_type_spec_parms (gfc_expr *, gfc_expr *, const char *);
4123 : bool gfc_check_assign (gfc_expr *, gfc_expr *, int, bool c = true);
4124 : bool gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue,
4125 : bool suppres_type_test = false,
4126 : bool is_init_expr = false);
4127 : bool gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *);
4128 :
4129 : gfc_expr *gfc_build_default_init_expr (gfc_typespec *, locus *);
4130 : void gfc_apply_init (gfc_typespec *, symbol_attribute *, gfc_expr *);
4131 : bool gfc_has_default_initializer (gfc_symbol *);
4132 : gfc_expr *gfc_default_initializer (gfc_typespec *);
4133 : gfc_expr *gfc_generate_initializer (gfc_typespec *, bool);
4134 : gfc_expr *gfc_get_variable_expr (gfc_symtree *);
4135 : void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *);
4136 : gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *);
4137 :
4138 : gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr);
4139 :
4140 : bool gfc_traverse_expr (gfc_expr *, gfc_symbol *,
4141 : bool (*)(gfc_expr *, gfc_symbol *, int*),
4142 : int);
4143 : void gfc_expr_set_symbols_referenced (gfc_expr *);
4144 : bool gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool);
4145 : bool gfc_derived_parameter_expr (gfc_expr *);
4146 : gfc_param_spec_type gfc_spec_list_type (gfc_actual_arglist *, gfc_symbol *);
4147 : gfc_component * gfc_get_proc_ptr_comp (gfc_expr *);
4148 : bool gfc_is_proc_ptr_comp (gfc_expr *);
4149 : bool gfc_is_alloc_class_scalar_function (gfc_expr *);
4150 : bool gfc_is_class_array_function (gfc_expr *);
4151 :
4152 : bool gfc_ref_this_image (gfc_ref *ref);
4153 : bool gfc_is_coindexed (gfc_expr *);
4154 : bool gfc_is_coarray (gfc_expr *);
4155 : bool gfc_has_ultimate_allocatable (gfc_expr *);
4156 : bool gfc_has_ultimate_pointer (gfc_expr *);
4157 : gfc_expr *gfc_find_team_co (gfc_expr *,
4158 : gfc_array_ref_team_type req_team_type = TEAM_TEAM);
4159 : gfc_expr* gfc_find_stat_co (gfc_expr *);
4160 : gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*,
4161 : locus, unsigned, ...);
4162 : bool gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*);
4163 : gfc_expr* gfc_pdt_find_component_copy_initializer (gfc_symbol *, const char *);
4164 : bool has_parameterized_comps (gfc_symbol *);
4165 :
4166 : /* st.cc */
4167 : extern gfc_code new_st;
4168 :
4169 : void gfc_clear_new_st (void);
4170 : gfc_code *gfc_get_code (gfc_exec_op);
4171 : gfc_code *gfc_append_code (gfc_code *, gfc_code *);
4172 : void gfc_free_statement (gfc_code *);
4173 : void gfc_free_statements (gfc_code *);
4174 : void gfc_free_association_list (gfc_association_list *);
4175 :
4176 : /* resolve.cc */
4177 : void gfc_resolve_symbol (gfc_symbol *);
4178 : void gfc_expression_rank (gfc_expr *);
4179 : bool gfc_op_rank_conformable (gfc_expr *, gfc_expr *);
4180 : bool gfc_resolve_ref (gfc_expr *);
4181 : void gfc_fixup_inferred_type_refs (gfc_expr *);
4182 : bool gfc_resolve_expr (gfc_expr *);
4183 : void gfc_resolve (gfc_namespace *);
4184 : void gfc_resolve_code (gfc_code *, gfc_namespace *);
4185 : void gfc_resolve_blocks (gfc_code *, gfc_namespace *);
4186 : void gfc_resolve_formal_arglist (gfc_symbol *);
4187 : bool gfc_impure_variable (gfc_symbol *);
4188 : bool gfc_pure (gfc_symbol *);
4189 : bool gfc_implicit_pure (gfc_symbol *);
4190 : void gfc_unset_implicit_pure (gfc_symbol *);
4191 : bool gfc_elemental (gfc_symbol *);
4192 : bool gfc_resolve_iterator (gfc_iterator *, bool, bool);
4193 : bool find_forall_index (gfc_expr *, gfc_symbol *, int);
4194 : bool gfc_resolve_index (gfc_expr *, int);
4195 : bool gfc_resolve_dim_arg (gfc_expr *);
4196 : bool gfc_resolve_substring (gfc_ref *, bool *);
4197 : void gfc_resolve_substring_charlen (gfc_expr *);
4198 : void gfc_resolve_sync_stat (struct sync_stat *);
4199 : gfc_expr *gfc_expr_to_initialize (gfc_expr *);
4200 : bool gfc_type_is_extensible (gfc_symbol *);
4201 : bool gfc_resolve_intrinsic (gfc_symbol *, locus *);
4202 : bool gfc_explicit_interface_required (gfc_symbol *, char *, int);
4203 : extern int gfc_do_concurrent_flag;
4204 : const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree *);
4205 : bool gfc_pure_function (gfc_expr *e, const char **name);
4206 : bool gfc_implicit_pure_function (gfc_expr *e);
4207 :
4208 : /* coarray.cc */
4209 : void gfc_coarray_rewrite (gfc_namespace *);
4210 :
4211 : /* array.cc */
4212 : gfc_iterator *gfc_copy_iterator (gfc_iterator *);
4213 :
4214 : void gfc_free_array_spec (gfc_array_spec *);
4215 : gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *);
4216 :
4217 : bool gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *);
4218 : gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *);
4219 : bool gfc_resolve_array_spec (gfc_array_spec *, int);
4220 :
4221 : bool gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);
4222 :
4223 : void gfc_simplify_iterator_var (gfc_expr *);
4224 : bool gfc_expand_constructor (gfc_expr *, bool);
4225 : bool gfc_constant_ac (gfc_expr *);
4226 : bool gfc_expanded_ac (gfc_expr *);
4227 : bool gfc_resolve_character_array_constructor (gfc_expr *);
4228 : bool gfc_resolve_array_constructor (gfc_expr *);
4229 : bool gfc_check_constructor_type (gfc_expr *);
4230 : bool gfc_check_iter_variable (gfc_expr *);
4231 : bool gfc_check_constructor (gfc_expr *, bool (*)(gfc_expr *));
4232 : bool gfc_array_size (gfc_expr *, mpz_t *);
4233 : bool gfc_array_dimen_size (gfc_expr *, int, mpz_t *);
4234 : bool gfc_array_ref_shape (gfc_array_ref *, mpz_t *);
4235 : gfc_array_ref *gfc_find_array_ref (gfc_expr *, bool a = false);
4236 : tree gfc_conv_array_initializer (tree type, gfc_expr *);
4237 : bool spec_size (gfc_array_spec *, mpz_t *);
4238 : bool spec_dimen_size (gfc_array_spec *, int, mpz_t *);
4239 : bool gfc_is_compile_time_shape (gfc_array_spec *);
4240 :
4241 : bool gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *);
4242 :
4243 : /* interface.cc -- FIXME: some of these should be in symbol.cc */
4244 : void gfc_free_interface (gfc_interface *);
4245 : void gfc_drop_interface_elements_before (gfc_interface **, gfc_interface *);
4246 : bool gfc_compare_derived_types (gfc_symbol *, gfc_symbol *);
4247 : bool gfc_compare_types (gfc_typespec *, gfc_typespec *);
4248 : int gfc_symbol_rank (gfc_symbol *);
4249 : bool gfc_check_dummy_characteristics (gfc_symbol *, gfc_symbol *,
4250 : bool, char *, int);
4251 : bool gfc_check_result_characteristics (gfc_symbol *, gfc_symbol *,
4252 : char *, int);
4253 : bool gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int,
4254 : char *, int, const char *, const char *,
4255 : bool *bad_result_characteristics = NULL);
4256 : void gfc_check_interfaces (gfc_namespace *);
4257 : bool gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *);
4258 : void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *);
4259 : gfc_symbol *gfc_search_interface (gfc_interface *, int,
4260 : gfc_actual_arglist **);
4261 : match gfc_extend_expr (gfc_expr *);
4262 : void gfc_free_formal_arglist (gfc_formal_arglist *);
4263 : bool gfc_extend_assign (gfc_code *, gfc_namespace *);
4264 : bool gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus);
4265 : bool gfc_add_interface (gfc_symbol *);
4266 : gfc_interface *&gfc_current_interface_head (void);
4267 : void gfc_set_current_interface_head (gfc_interface *);
4268 : gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*);
4269 : bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*);
4270 : bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus);
4271 : bool gfc_has_vector_subscript (gfc_expr*);
4272 : gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op);
4273 : bool gfc_check_typebound_override (gfc_symtree*, gfc_symtree*);
4274 : void gfc_check_dtio_interfaces (gfc_symbol*);
4275 : gfc_symtree* gfc_find_typebound_dtio_proc (gfc_symbol *, bool, bool);
4276 : gfc_symbol* gfc_find_specific_dtio_proc (gfc_symbol*, bool, bool);
4277 : void gfc_get_formal_from_actual_arglist (gfc_symbol *, gfc_actual_arglist *);
4278 : bool gfc_compare_actual_formal (gfc_actual_arglist **, gfc_formal_arglist *,
4279 : int, int, bool, locus *);
4280 :
4281 :
4282 : /* io.cc */
4283 : extern gfc_st_label format_asterisk;
4284 :
4285 : void gfc_free_open (gfc_open *);
4286 : bool gfc_resolve_open (gfc_open *, locus *);
4287 : void gfc_free_close (gfc_close *);
4288 : bool gfc_resolve_close (gfc_close *, locus *);
4289 : void gfc_free_filepos (gfc_filepos *);
4290 : bool gfc_resolve_filepos (gfc_filepos *, locus *);
4291 : void gfc_free_inquire (gfc_inquire *);
4292 : bool gfc_resolve_inquire (gfc_inquire *);
4293 : void gfc_free_dt (gfc_dt *);
4294 : bool gfc_resolve_dt (gfc_code *, gfc_dt *, locus *);
4295 : void gfc_free_wait (gfc_wait *);
4296 : bool gfc_resolve_wait (gfc_wait *);
4297 :
4298 : /* module.cc */
4299 : void gfc_module_init_2 (void);
4300 : void gfc_module_done_2 (void);
4301 : void gfc_dump_module (const char *, int);
4302 : bool gfc_check_symbol_access (gfc_symbol *);
4303 : void gfc_free_use_stmts (gfc_use_list *);
4304 : void gfc_save_module_list ();
4305 : void gfc_restore_old_module_list ();
4306 : const char *gfc_dt_lower_string (const char *);
4307 : const char *gfc_dt_upper_string (const char *);
4308 :
4309 : /* primary.cc */
4310 : symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *);
4311 : symbol_attribute gfc_expr_attr (gfc_expr *);
4312 : symbol_attribute gfc_caf_attr (gfc_expr *, bool i = false, bool *r = NULL);
4313 : bool is_inquiry_ref (const char *, gfc_ref **);
4314 : match gfc_match_rvalue (gfc_expr **);
4315 : match gfc_match_varspec (gfc_expr*, int, bool, bool);
4316 : bool gfc_check_digit (char, int);
4317 : bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *);
4318 : bool gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *,
4319 : gfc_expr **,
4320 : gfc_actual_arglist **, bool);
4321 :
4322 : /* trans.cc */
4323 : void gfc_generate_code (gfc_namespace *);
4324 : void gfc_generate_module_code (gfc_namespace *);
4325 :
4326 : /* trans-intrinsic.cc */
4327 : bool gfc_inline_intrinsic_function_p (gfc_expr *);
4328 :
4329 : /* trans-openmp.cc */
4330 : int gfc_expr_list_len (gfc_expr_list *);
4331 :
4332 : /* bbt.cc */
4333 : typedef int (*compare_fn) (void *, void *);
4334 : void gfc_insert_bbt (void *, void *, compare_fn);
4335 : void * gfc_delete_bbt (void *, void *, compare_fn);
4336 :
4337 : /* dump-parse-tree.cc */
4338 : void gfc_dump_parse_tree (gfc_namespace *, FILE *);
4339 : void gfc_dump_c_prototypes (FILE *);
4340 : void gfc_dump_external_c_prototypes (FILE *);
4341 : void gfc_dump_global_symbols (FILE *);
4342 : void debug (gfc_symbol *);
4343 : void debug (gfc_expr *);
4344 :
4345 : /* parse.cc */
4346 : bool gfc_parse_file (void);
4347 : void gfc_global_used (gfc_gsymbol *, locus *);
4348 : gfc_namespace* gfc_build_block_ns (gfc_namespace *);
4349 : gfc_statement match_omp_directive (void);
4350 : bool is_omp_declarative_stmt (gfc_statement);
4351 :
4352 : /* dependency.cc */
4353 : int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool);
4354 : int gfc_dep_compare_expr (gfc_expr *, gfc_expr *);
4355 : bool gfc_dep_difference (gfc_expr *, gfc_expr *, mpz_t *);
4356 :
4357 : /* check.cc */
4358 : bool gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*);
4359 : bool gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*,
4360 : size_t*, size_t*, size_t*);
4361 : bool gfc_boz2int (gfc_expr *, int);
4362 : bool gfc_boz2uint (gfc_expr *, int);
4363 : bool gfc_boz2real (gfc_expr *, int);
4364 : bool gfc_invalid_boz (const char *, locus *);
4365 : bool gfc_invalid_null_arg (gfc_expr *);
4366 :
4367 : bool gfc_invalid_unsigned_ops (gfc_expr *, gfc_expr *);
4368 :
4369 : /* class.cc */
4370 : void gfc_fix_class_refs (gfc_expr *e);
4371 : void gfc_add_component_ref (gfc_expr *, const char *);
4372 : void gfc_add_class_array_ref (gfc_expr *);
4373 : #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
4374 : #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
4375 : #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
4376 : #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
4377 : #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
4378 : #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
4379 : #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
4380 : bool gfc_is_class_array_ref (gfc_expr *, bool *);
4381 : bool gfc_is_class_scalar_expr (gfc_expr *);
4382 : bool gfc_is_class_container_ref (gfc_expr *e);
4383 : gfc_expr *gfc_class_initializer (gfc_typespec *, gfc_expr *);
4384 : unsigned int gfc_hash_value (gfc_symbol *);
4385 : gfc_expr *gfc_get_len_component (gfc_expr *e, int);
4386 : bool gfc_build_class_symbol (gfc_typespec *, symbol_attribute *,
4387 : gfc_array_spec **);
4388 : void gfc_change_class (gfc_typespec *, symbol_attribute *,
4389 : gfc_array_spec *, int, int);
4390 : gfc_symbol *gfc_find_derived_vtab (gfc_symbol *);
4391 : gfc_symbol *gfc_find_vtab (gfc_typespec *);
4392 : gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, bool*,
4393 : const char*, bool, locus*);
4394 : gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, bool*,
4395 : const char*, bool, locus*);
4396 : gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, bool*,
4397 : gfc_intrinsic_op, bool,
4398 : locus*);
4399 : gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*);
4400 : bool gfc_is_finalizable (gfc_symbol *, gfc_expr **);
4401 : bool gfc_may_be_finalized (gfc_typespec);
4402 :
4403 : #define CLASS_DATA(sym) sym->ts.u.derived->components
4404 : #define UNLIMITED_POLY(sym) \
4405 : (sym != NULL && sym->ts.type == BT_CLASS \
4406 : && CLASS_DATA (sym) \
4407 : && CLASS_DATA (sym)->ts.u.derived \
4408 : && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
4409 : #define IS_CLASS_ARRAY(sym) \
4410 : (sym->ts.type == BT_CLASS \
4411 : && CLASS_DATA (sym) \
4412 : && CLASS_DATA (sym)->attr.dimension \
4413 : && !CLASS_DATA (sym)->attr.class_pointer)
4414 : #define IS_CLASS_COARRAY_OR_ARRAY(sym) \
4415 : (sym->ts.type == BT_CLASS && CLASS_DATA (sym) \
4416 : && (CLASS_DATA (sym)->attr.dimension \
4417 : || CLASS_DATA (sym)->attr.codimension) \
4418 : && !CLASS_DATA (sym)->attr.class_pointer)
4419 : #define IS_POINTER(sym) \
4420 : (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \
4421 : ? CLASS_DATA (sym)->attr.class_pointer : sym->attr.pointer)
4422 : #define IS_PROC_POINTER(sym) \
4423 : (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \
4424 : ? CLASS_DATA (sym)->attr.proc_pointer : sym->attr.proc_pointer)
4425 : #define IS_INFERRED_TYPE(expr) \
4426 : (expr && expr->expr_type == EXPR_VARIABLE \
4427 : && expr->symtree->n.sym->assoc \
4428 : && expr->symtree->n.sym->assoc->inferred_type)
4429 : #define PDT_PREFIX "PDT"
4430 : #define PDT_PREFIX_LEN 3
4431 : #define IS_PDT(sym) \
4432 : (sym != NULL && sym->ts.type == BT_DERIVED \
4433 : && sym->ts.u.derived \
4434 : && sym->ts.u.derived->attr.pdt_type)
4435 : #define IS_CLASS_PDT(sym) \
4436 : (sym != NULL && sym->ts.type == BT_CLASS \
4437 : && CLASS_DATA (sym) \
4438 : && CLASS_DATA (sym)->ts.u.derived \
4439 : && CLASS_DATA (sym)->ts.u.derived->attr.pdt_type)
4440 :
4441 : /* frontend-passes.cc */
4442 :
4443 : void gfc_run_passes (gfc_namespace *);
4444 :
4445 : typedef int (*walk_code_fn_t) (gfc_code **, int *, void *);
4446 : typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *);
4447 :
4448 : int gfc_dummy_code_callback (gfc_code **, int *, void *);
4449 : int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *);
4450 : int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *);
4451 : bool gfc_has_dimen_vector_ref (gfc_expr *e);
4452 : void gfc_check_externals (gfc_namespace *);
4453 : bool gfc_fix_implicit_pure (gfc_namespace *);
4454 :
4455 : /* simplify.cc */
4456 :
4457 : void gfc_convert_mpz_to_signed (mpz_t, int);
4458 : gfc_expr *gfc_simplify_ieee_functions (gfc_expr *);
4459 : bool gfc_is_constant_array_expr (gfc_expr *);
4460 : bool gfc_is_size_zero_array (gfc_expr *);
4461 : void gfc_convert_mpz_to_unsigned (mpz_t, int, bool sign = true);
4462 :
4463 : /* trans-array.cc */
4464 :
4465 : bool gfc_is_reallocatable_lhs (gfc_expr *);
4466 :
4467 : /* trans-decl.cc */
4468 :
4469 : void finish_oacc_declare (gfc_namespace *, gfc_symbol *, bool);
4470 : void gfc_adjust_builtins (void);
4471 : void gfc_add_caf_accessor (gfc_expr *, gfc_expr *);
4472 :
4473 : #endif /* GCC_GFORTRAN_H */
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