1/* gfortran header file 2 Copyright (C) 2000-2022 Free Software Foundation, Inc. 3 Contributed by Andy Vaught 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 3, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along 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 \ 42In order for the format checking to accept the Fortran front end diagnostic \ 43framework extensions, you must include this file before diagnostic-core.h, \ 44not 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. */ 100typedef struct 101{ 102 const char *string; 103 const char *mp; 104 int tag; 105} 106mstring; 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 148enum 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 155enum 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 162enum 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 170enum match 171{ MATCH_NO = 1, MATCH_YES, MATCH_ERROR }; 172 173/* Used for different Fortran source forms in places like scanner.cc. */ 174enum gfc_source_form 175{ FORM_FREE, FORM_FIXED, FORM_UNKNOWN }; 176 177/* Expression node types. */ 178enum expr_t 179 { EXPR_UNKNOWN = 0, EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, 180 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL, EXPR_PPC 181}; 182 183/* Array types. */ 184enum array_type 185{ AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, 186 AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_ASSUMED_RANK, 187 AS_UNKNOWN 188}; 189 190enum ar_type 191{ AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN }; 192 193/* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings 194 related to shared DO terminations and DO targets which are neither END DO 195 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */ 196enum gfc_sl_type 197{ ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, ST_LABEL_DO_TARGET, 198 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT 199}; 200 201/* Intrinsic operators. */ 202enum gfc_intrinsic_op 203{ GFC_INTRINSIC_BEGIN = 0, 204 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, 205 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, 206 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, 207 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, 208 /* ==, /=, >, >=, <, <= */ 209 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, 210 INTRINSIC_LT, INTRINSIC_LE, 211 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */ 212 INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, 213 INTRINSIC_LT_OS, INTRINSIC_LE_OS, 214 INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, INTRINSIC_PARENTHESES, 215 GFC_INTRINSIC_END, /* Sentinel */ 216 /* User defined derived type pseudo operators. These are set beyond the 217 sentinel so that they are excluded from module_read and module_write. */ 218 INTRINSIC_FORMATTED, INTRINSIC_UNFORMATTED 219}; 220 221/* This macro is the number of intrinsic operators that exist. 222 Assumptions are made about the numbering of the interface_op enums. */ 223#define GFC_INTRINSIC_OPS GFC_INTRINSIC_END 224 225/* Arithmetic results. */ 226enum arith 227{ ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, 228 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT, 229 ARITH_WRONGCONCAT 230}; 231 232/* Statements. */ 233enum gfc_statement 234{ 235 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE, 236 ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA, 237 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, 238 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, 239 ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA, 240 ST_ENDDO, ST_IMPLIED_ENDDO, ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, 241 ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, ST_END_MODULE, ST_END_SUBMODULE, 242 ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, 243 ST_ENTRY, ST_EQUIVALENCE, ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, 244 ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, 245 ST_IMPORT, ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY, 246 ST_SYNC_IMAGES, ST_PARAMETER, ST_MODULE, ST_SUBMODULE, ST_MODULE_PROC, 247 ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, 248 ST_READ, ST_RETURN, ST_REWIND, ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, 249 ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, ST_WRITE, ST_ASSIGNMENT, 250 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF, 251 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_ENUM, 252 ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS, 253 ST_SELECT_RANK, ST_RANK, ST_STRUCTURE_DECL, ST_END_STRUCTURE, 254 ST_UNION, ST_END_UNION, ST_MAP, ST_END_MAP, 255 ST_OACC_PARALLEL_LOOP, ST_OACC_END_PARALLEL_LOOP, ST_OACC_PARALLEL, 256 ST_OACC_END_PARALLEL, ST_OACC_KERNELS, ST_OACC_END_KERNELS, ST_OACC_DATA, 257 ST_OACC_END_DATA, ST_OACC_HOST_DATA, ST_OACC_END_HOST_DATA, ST_OACC_LOOP, 258 ST_OACC_END_LOOP, ST_OACC_DECLARE, ST_OACC_UPDATE, ST_OACC_WAIT, 259 ST_OACC_CACHE, ST_OACC_KERNELS_LOOP, ST_OACC_END_KERNELS_LOOP, 260 ST_OACC_SERIAL_LOOP, ST_OACC_END_SERIAL_LOOP, ST_OACC_SERIAL, 261 ST_OACC_END_SERIAL, ST_OACC_ENTER_DATA, ST_OACC_EXIT_DATA, ST_OACC_ROUTINE, 262 ST_OACC_ATOMIC, ST_OACC_END_ATOMIC, 263 ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC, 264 ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, 265 ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, 266 ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, 267 ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, 268 ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, 269 ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, 270 ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, 271 ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_OMP_CANCEL, ST_OMP_CANCELLATION_POINT, 272 ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP, ST_OMP_SIMD, ST_OMP_END_SIMD, 273 ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD, ST_OMP_PARALLEL_DO_SIMD, 274 ST_OMP_END_PARALLEL_DO_SIMD, ST_OMP_DECLARE_SIMD, ST_OMP_DECLARE_REDUCTION, 275 ST_OMP_TARGET, ST_OMP_END_TARGET, ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA, 276 ST_OMP_TARGET_UPDATE, ST_OMP_DECLARE_TARGET, ST_OMP_DECLARE_VARIANT, 277 ST_OMP_TEAMS, ST_OMP_END_TEAMS, ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE, 278 ST_OMP_DISTRIBUTE_SIMD, ST_OMP_END_DISTRIBUTE_SIMD, 279 ST_OMP_DISTRIBUTE_PARALLEL_DO, ST_OMP_END_DISTRIBUTE_PARALLEL_DO, 280 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD, 281 ST_OMP_TARGET_TEAMS, ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE, 282 ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD, 283 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE, 284 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD, 285 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO, 286 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO, 287 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO, 288 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO, 289 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 290 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 291 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 292 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 293 ST_OMP_TARGET_PARALLEL, ST_OMP_END_TARGET_PARALLEL, 294 ST_OMP_TARGET_PARALLEL_DO, ST_OMP_END_TARGET_PARALLEL_DO, 295 ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_END_TARGET_PARALLEL_DO_SIMD, 296 ST_OMP_TARGET_ENTER_DATA, ST_OMP_TARGET_EXIT_DATA, 297 ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD, 298 ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP, ST_OMP_SCAN, ST_OMP_DEPOBJ, 299 ST_OMP_TASKLOOP_SIMD, ST_OMP_END_TASKLOOP_SIMD, ST_OMP_ORDERED_DEPEND, 300 ST_OMP_REQUIRES, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL, 301 ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_EVENT_POST, 302 ST_EVENT_WAIT, ST_FAIL_IMAGE, ST_FORM_TEAM, ST_CHANGE_TEAM, 303 ST_END_TEAM, ST_SYNC_TEAM, ST_OMP_PARALLEL_MASTER, 304 ST_OMP_END_PARALLEL_MASTER, ST_OMP_PARALLEL_MASTER_TASKLOOP, 305 ST_OMP_END_PARALLEL_MASTER_TASKLOOP, ST_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, 306 ST_OMP_END_PARALLEL_MASTER_TASKLOOP_SIMD, ST_OMP_MASTER_TASKLOOP, 307 ST_OMP_END_MASTER_TASKLOOP, ST_OMP_MASTER_TASKLOOP_SIMD, 308 ST_OMP_END_MASTER_TASKLOOP_SIMD, ST_OMP_LOOP, ST_OMP_END_LOOP, 309 ST_OMP_PARALLEL_LOOP, ST_OMP_END_PARALLEL_LOOP, ST_OMP_TEAMS_LOOP, 310 ST_OMP_END_TEAMS_LOOP, ST_OMP_TARGET_PARALLEL_LOOP, 311 ST_OMP_END_TARGET_PARALLEL_LOOP, ST_OMP_TARGET_TEAMS_LOOP, 312 ST_OMP_END_TARGET_TEAMS_LOOP, ST_OMP_MASKED, ST_OMP_END_MASKED, 313 ST_OMP_PARALLEL_MASKED, ST_OMP_END_PARALLEL_MASKED, 314 ST_OMP_PARALLEL_MASKED_TASKLOOP, ST_OMP_END_PARALLEL_MASKED_TASKLOOP, 315 ST_OMP_PARALLEL_MASKED_TASKLOOP_SIMD, 316 ST_OMP_END_PARALLEL_MASKED_TASKLOOP_SIMD, ST_OMP_MASKED_TASKLOOP, 317 ST_OMP_END_MASKED_TASKLOOP, ST_OMP_MASKED_TASKLOOP_SIMD, 318 ST_OMP_END_MASKED_TASKLOOP_SIMD, ST_OMP_SCOPE, ST_OMP_END_SCOPE, 319 ST_OMP_ERROR, ST_NONE 320}; 321 322/* Types of interfaces that we can have. Assignment interfaces are 323 considered to be intrinsic operators. */ 324enum interface_type 325{ 326 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, 327 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT, 328 INTERFACE_DTIO 329}; 330 331/* Symbol flavors: these are all mutually exclusive. 332 12 elements = 4 bits. */ 333enum sym_flavor 334{ 335 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, 336 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, 337 FL_UNION, FL_STRUCT, FL_VOID 338}; 339 340/* Procedure types. 7 elements = 3 bits. */ 341enum procedure_type 342{ PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, 343 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL 344}; 345 346/* Intent types. Note that these values are also used in another enum in 347 decl.cc (match_attr_spec). */ 348enum sym_intent 349{ INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT 350}; 351 352/* Access types. */ 353enum gfc_access 354{ ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE 355}; 356 357/* Flags to keep track of where an interface came from. 358 3 elements = 2 bits. */ 359enum ifsrc 360{ IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */ 361 IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */ 362 IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement 363 with explicit interface. */ 364}; 365 366/* Whether a SAVE attribute was set explicitly or implicitly. */ 367enum save_state 368{ SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT 369}; 370 371/* OpenACC 'routine' directive's level of parallelism. */ 372enum oacc_routine_lop 373{ OACC_ROUTINE_LOP_NONE = 0, 374 OACC_ROUTINE_LOP_GANG, 375 OACC_ROUTINE_LOP_WORKER, 376 OACC_ROUTINE_LOP_VECTOR, 377 OACC_ROUTINE_LOP_SEQ, 378 OACC_ROUTINE_LOP_ERROR 379}; 380 381/* Strings for all symbol attributes. We use these for dumping the 382 parse tree, in error messages, and also when reading and writing 383 modules. In symbol.cc. */ 384extern const mstring flavors[]; 385extern const mstring procedures[]; 386extern const mstring intents[]; 387extern const mstring access_types[]; 388extern const mstring ifsrc_types[]; 389extern const mstring save_status[]; 390 391/* Strings for DTIO procedure names. In symbol.cc. */ 392extern const mstring dtio_procs[]; 393 394enum dtio_codes 395{ DTIO_RF = 0, DTIO_WF, DTIO_RUF, DTIO_WUF }; 396 397/* Enumeration of all the generic intrinsic functions. Used by the 398 backend for identification of a function. */ 399 400enum gfc_isym_id 401{ 402 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by 403 the backend (e.g. KIND). */ 404 GFC_ISYM_NONE = 0, 405 GFC_ISYM_ABORT, 406 GFC_ISYM_ABS, 407 GFC_ISYM_ACCESS, 408 GFC_ISYM_ACHAR, 409 GFC_ISYM_ACOS, 410 GFC_ISYM_ACOSD, 411 GFC_ISYM_ACOSH, 412 GFC_ISYM_ADJUSTL, 413 GFC_ISYM_ADJUSTR, 414 GFC_ISYM_AIMAG, 415 GFC_ISYM_AINT, 416 GFC_ISYM_ALARM, 417 GFC_ISYM_ALL, 418 GFC_ISYM_ALLOCATED, 419 GFC_ISYM_AND, 420 GFC_ISYM_ANINT, 421 GFC_ISYM_ANY, 422 GFC_ISYM_ASIN, 423 GFC_ISYM_ASIND, 424 GFC_ISYM_ASINH, 425 GFC_ISYM_ASSOCIATED, 426 GFC_ISYM_ATAN, 427 GFC_ISYM_ATAN2, 428 GFC_ISYM_ATAN2D, 429 GFC_ISYM_ATAND, 430 GFC_ISYM_ATANH, 431 GFC_ISYM_ATOMIC_ADD, 432 GFC_ISYM_ATOMIC_AND, 433 GFC_ISYM_ATOMIC_CAS, 434 GFC_ISYM_ATOMIC_DEF, 435 GFC_ISYM_ATOMIC_FETCH_ADD, 436 GFC_ISYM_ATOMIC_FETCH_AND, 437 GFC_ISYM_ATOMIC_FETCH_OR, 438 GFC_ISYM_ATOMIC_FETCH_XOR, 439 GFC_ISYM_ATOMIC_OR, 440 GFC_ISYM_ATOMIC_REF, 441 GFC_ISYM_ATOMIC_XOR, 442 GFC_ISYM_BGE, 443 GFC_ISYM_BGT, 444 GFC_ISYM_BIT_SIZE, 445 GFC_ISYM_BLE, 446 GFC_ISYM_BLT, 447 GFC_ISYM_BTEST, 448 GFC_ISYM_CAF_GET, 449 GFC_ISYM_CAF_SEND, 450 GFC_ISYM_CEILING, 451 GFC_ISYM_CHAR, 452 GFC_ISYM_CHDIR, 453 GFC_ISYM_CHMOD, 454 GFC_ISYM_CMPLX, 455 GFC_ISYM_CO_BROADCAST, 456 GFC_ISYM_CO_MAX, 457 GFC_ISYM_CO_MIN, 458 GFC_ISYM_CO_REDUCE, 459 GFC_ISYM_CO_SUM, 460 GFC_ISYM_COMMAND_ARGUMENT_COUNT, 461 GFC_ISYM_COMPILER_OPTIONS, 462 GFC_ISYM_COMPILER_VERSION, 463 GFC_ISYM_COMPLEX, 464 GFC_ISYM_CONJG, 465 GFC_ISYM_CONVERSION, 466 GFC_ISYM_COS, 467 GFC_ISYM_COSD, 468 GFC_ISYM_COSH, 469 GFC_ISYM_COTAN, 470 GFC_ISYM_COTAND, 471 GFC_ISYM_COUNT, 472 GFC_ISYM_CPU_TIME, 473 GFC_ISYM_CSHIFT, 474 GFC_ISYM_CTIME, 475 GFC_ISYM_C_ASSOCIATED, 476 GFC_ISYM_C_F_POINTER, 477 GFC_ISYM_C_F_PROCPOINTER, 478 GFC_ISYM_C_FUNLOC, 479 GFC_ISYM_C_LOC, 480 GFC_ISYM_C_SIZEOF, 481 GFC_ISYM_DATE_AND_TIME, 482 GFC_ISYM_DBLE, 483 GFC_ISYM_DFLOAT, 484 GFC_ISYM_DIGITS, 485 GFC_ISYM_DIM, 486 GFC_ISYM_DOT_PRODUCT, 487 GFC_ISYM_DPROD, 488 GFC_ISYM_DSHIFTL, 489 GFC_ISYM_DSHIFTR, 490 GFC_ISYM_DTIME, 491 GFC_ISYM_EOSHIFT, 492 GFC_ISYM_EPSILON, 493 GFC_ISYM_ERF, 494 GFC_ISYM_ERFC, 495 GFC_ISYM_ERFC_SCALED, 496 GFC_ISYM_ETIME, 497 GFC_ISYM_EVENT_QUERY, 498 GFC_ISYM_EXECUTE_COMMAND_LINE, 499 GFC_ISYM_EXIT, 500 GFC_ISYM_EXP, 501 GFC_ISYM_EXPONENT, 502 GFC_ISYM_EXTENDS_TYPE_OF, 503 GFC_ISYM_FAILED_IMAGES, 504 GFC_ISYM_FDATE, 505 GFC_ISYM_FE_RUNTIME_ERROR, 506 GFC_ISYM_FGET, 507 GFC_ISYM_FGETC, 508 GFC_ISYM_FINDLOC, 509 GFC_ISYM_FLOAT, 510 GFC_ISYM_FLOOR, 511 GFC_ISYM_FLUSH, 512 GFC_ISYM_FNUM, 513 GFC_ISYM_FPUT, 514 GFC_ISYM_FPUTC, 515 GFC_ISYM_FRACTION, 516 GFC_ISYM_FREE, 517 GFC_ISYM_FSEEK, 518 GFC_ISYM_FSTAT, 519 GFC_ISYM_FTELL, 520 GFC_ISYM_TGAMMA, 521 GFC_ISYM_GERROR, 522 GFC_ISYM_GETARG, 523 GFC_ISYM_GET_COMMAND, 524 GFC_ISYM_GET_COMMAND_ARGUMENT, 525 GFC_ISYM_GETCWD, 526 GFC_ISYM_GETENV, 527 GFC_ISYM_GET_ENVIRONMENT_VARIABLE, 528 GFC_ISYM_GETGID, 529 GFC_ISYM_GETLOG, 530 GFC_ISYM_GETPID, 531 GFC_ISYM_GET_TEAM, 532 GFC_ISYM_GETUID, 533 GFC_ISYM_GMTIME, 534 GFC_ISYM_HOSTNM, 535 GFC_ISYM_HUGE, 536 GFC_ISYM_HYPOT, 537 GFC_ISYM_IACHAR, 538 GFC_ISYM_IALL, 539 GFC_ISYM_IAND, 540 GFC_ISYM_IANY, 541 GFC_ISYM_IARGC, 542 GFC_ISYM_IBCLR, 543 GFC_ISYM_IBITS, 544 GFC_ISYM_IBSET, 545 GFC_ISYM_ICHAR, 546 GFC_ISYM_IDATE, 547 GFC_ISYM_IEOR, 548 GFC_ISYM_IERRNO, 549 GFC_ISYM_IMAGE_INDEX, 550 GFC_ISYM_IMAGE_STATUS, 551 GFC_ISYM_INDEX, 552 GFC_ISYM_INT, 553 GFC_ISYM_INT2, 554 GFC_ISYM_INT8, 555 GFC_ISYM_IOR, 556 GFC_ISYM_IPARITY, 557 GFC_ISYM_IRAND, 558 GFC_ISYM_ISATTY, 559 GFC_ISYM_IS_CONTIGUOUS, 560 GFC_ISYM_IS_IOSTAT_END, 561 GFC_ISYM_IS_IOSTAT_EOR, 562 GFC_ISYM_ISNAN, 563 GFC_ISYM_ISHFT, 564 GFC_ISYM_ISHFTC, 565 GFC_ISYM_ITIME, 566 GFC_ISYM_J0, 567 GFC_ISYM_J1, 568 GFC_ISYM_JN, 569 GFC_ISYM_JN2, 570 GFC_ISYM_KILL, 571 GFC_ISYM_KIND, 572 GFC_ISYM_LBOUND, 573 GFC_ISYM_LCOBOUND, 574 GFC_ISYM_LEADZ, 575 GFC_ISYM_LEN, 576 GFC_ISYM_LEN_TRIM, 577 GFC_ISYM_LGAMMA, 578 GFC_ISYM_LGE, 579 GFC_ISYM_LGT, 580 GFC_ISYM_LINK, 581 GFC_ISYM_LLE, 582 GFC_ISYM_LLT, 583 GFC_ISYM_LOC, 584 GFC_ISYM_LOG, 585 GFC_ISYM_LOG10, 586 GFC_ISYM_LOGICAL, 587 GFC_ISYM_LONG, 588 GFC_ISYM_LSHIFT, 589 GFC_ISYM_LSTAT, 590 GFC_ISYM_LTIME, 591 GFC_ISYM_MALLOC, 592 GFC_ISYM_MASKL, 593 GFC_ISYM_MASKR, 594 GFC_ISYM_MATMUL, 595 GFC_ISYM_MAX, 596 GFC_ISYM_MAXEXPONENT, 597 GFC_ISYM_MAXLOC, 598 GFC_ISYM_MAXVAL, 599 GFC_ISYM_MCLOCK, 600 GFC_ISYM_MCLOCK8, 601 GFC_ISYM_MERGE, 602 GFC_ISYM_MERGE_BITS, 603 GFC_ISYM_MIN, 604 GFC_ISYM_MINEXPONENT, 605 GFC_ISYM_MINLOC, 606 GFC_ISYM_MINVAL, 607 GFC_ISYM_MOD, 608 GFC_ISYM_MODULO, 609 GFC_ISYM_MOVE_ALLOC, 610 GFC_ISYM_MVBITS, 611 GFC_ISYM_NEAREST, 612 GFC_ISYM_NEW_LINE, 613 GFC_ISYM_NINT, 614 GFC_ISYM_NORM2, 615 GFC_ISYM_NOT, 616 GFC_ISYM_NULL, 617 GFC_ISYM_NUM_IMAGES, 618 GFC_ISYM_OR, 619 GFC_ISYM_PACK, 620 GFC_ISYM_PARITY, 621 GFC_ISYM_PERROR, 622 GFC_ISYM_POPCNT, 623 GFC_ISYM_POPPAR, 624 GFC_ISYM_PRECISION, 625 GFC_ISYM_PRESENT, 626 GFC_ISYM_PRODUCT, 627 GFC_ISYM_RADIX, 628 GFC_ISYM_RAND, 629 GFC_ISYM_RANDOM_INIT, 630 GFC_ISYM_RANDOM_NUMBER, 631 GFC_ISYM_RANDOM_SEED, 632 GFC_ISYM_RANGE, 633 GFC_ISYM_RANK, 634 GFC_ISYM_REAL, 635 GFC_ISYM_REALPART, 636 GFC_ISYM_RENAME, 637 GFC_ISYM_REPEAT, 638 GFC_ISYM_RESHAPE, 639 GFC_ISYM_RRSPACING, 640 GFC_ISYM_RSHIFT, 641 GFC_ISYM_SAME_TYPE_AS, 642 GFC_ISYM_SC_KIND, 643 GFC_ISYM_SCALE, 644 GFC_ISYM_SCAN, 645 GFC_ISYM_SECNDS, 646 GFC_ISYM_SECOND, 647 GFC_ISYM_SET_EXPONENT, 648 GFC_ISYM_SHAPE, 649 GFC_ISYM_SHIFTA, 650 GFC_ISYM_SHIFTL, 651 GFC_ISYM_SHIFTR, 652 GFC_ISYM_BACKTRACE, 653 GFC_ISYM_SIGN, 654 GFC_ISYM_SIGNAL, 655 GFC_ISYM_SI_KIND, 656 GFC_ISYM_SIN, 657 GFC_ISYM_SIND, 658 GFC_ISYM_SINH, 659 GFC_ISYM_SIZE, 660 GFC_ISYM_SLEEP, 661 GFC_ISYM_SIZEOF, 662 GFC_ISYM_SNGL, 663 GFC_ISYM_SPACING, 664 GFC_ISYM_SPREAD, 665 GFC_ISYM_SQRT, 666 GFC_ISYM_SRAND, 667 GFC_ISYM_SR_KIND, 668 GFC_ISYM_STAT, 669 GFC_ISYM_STOPPED_IMAGES, 670 GFC_ISYM_STORAGE_SIZE, 671 GFC_ISYM_STRIDE, 672 GFC_ISYM_SUM, 673 GFC_ISYM_SYMLINK, 674 GFC_ISYM_SYMLNK, 675 GFC_ISYM_SYSTEM, 676 GFC_ISYM_SYSTEM_CLOCK, 677 GFC_ISYM_TAN, 678 GFC_ISYM_TAND, 679 GFC_ISYM_TANH, 680 GFC_ISYM_TEAM_NUMBER, 681 GFC_ISYM_THIS_IMAGE, 682 GFC_ISYM_TIME, 683 GFC_ISYM_TIME8, 684 GFC_ISYM_TINY, 685 GFC_ISYM_TRAILZ, 686 GFC_ISYM_TRANSFER, 687 GFC_ISYM_TRANSPOSE, 688 GFC_ISYM_TRIM, 689 GFC_ISYM_TTYNAM, 690 GFC_ISYM_UBOUND, 691 GFC_ISYM_UCOBOUND, 692 GFC_ISYM_UMASK, 693 GFC_ISYM_UNLINK, 694 GFC_ISYM_UNPACK, 695 GFC_ISYM_VERIFY, 696 GFC_ISYM_XOR, 697 GFC_ISYM_Y0, 698 GFC_ISYM_Y1, 699 GFC_ISYM_YN, 700 GFC_ISYM_YN2 701}; 702 703enum init_local_logical 704{ 705 GFC_INIT_LOGICAL_OFF = 0, 706 GFC_INIT_LOGICAL_FALSE, 707 GFC_INIT_LOGICAL_TRUE 708}; 709 710enum init_local_character 711{ 712 GFC_INIT_CHARACTER_OFF = 0, 713 GFC_INIT_CHARACTER_ON 714}; 715 716enum init_local_integer 717{ 718 GFC_INIT_INTEGER_OFF = 0, 719 GFC_INIT_INTEGER_ON 720}; 721 722enum gfc_reverse 723{ 724 GFC_ENABLE_REVERSE, 725 GFC_FORWARD_SET, 726 GFC_REVERSE_SET, 727 GFC_INHIBIT_REVERSE 728}; 729 730enum gfc_param_spec_type 731{ 732 SPEC_EXPLICIT, 733 SPEC_ASSUMED, 734 SPEC_DEFERRED 735}; 736 737/************************* Structures *****************************/ 738 739/* Used for keeping things in balanced binary trees. */ 740#define BBT_HEADER(self) int priority; struct self *left, *right 741 742#define NAMED_INTCST(a,b,c,d) a, 743#define NAMED_KINDARRAY(a,b,c,d) a, 744#define NAMED_FUNCTION(a,b,c,d) a, 745#define NAMED_SUBROUTINE(a,b,c,d) a, 746#define NAMED_DERIVED_TYPE(a,b,c,d) a, 747enum iso_fortran_env_symbol 748{ 749 ISOFORTRANENV_INVALID = -1, 750#include "iso-fortran-env.def" 751 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST 752}; 753#undef NAMED_INTCST 754#undef NAMED_KINDARRAY 755#undef NAMED_FUNCTION 756#undef NAMED_SUBROUTINE 757#undef NAMED_DERIVED_TYPE 758 759#define NAMED_INTCST(a,b,c,d) a, 760#define NAMED_REALCST(a,b,c,d) a, 761#define NAMED_CMPXCST(a,b,c,d) a, 762#define NAMED_LOGCST(a,b,c) a, 763#define NAMED_CHARKNDCST(a,b,c) a, 764#define NAMED_CHARCST(a,b,c) a, 765#define DERIVED_TYPE(a,b,c) a, 766#define NAMED_FUNCTION(a,b,c,d) a, 767#define NAMED_SUBROUTINE(a,b,c,d) a, 768enum iso_c_binding_symbol 769{ 770 ISOCBINDING_INVALID = -1, 771#include "iso-c-binding.def" 772 ISOCBINDING_LAST, 773 ISOCBINDING_NUMBER = ISOCBINDING_LAST 774}; 775#undef NAMED_INTCST 776#undef NAMED_REALCST 777#undef NAMED_CMPXCST 778#undef NAMED_LOGCST 779#undef NAMED_CHARKNDCST 780#undef NAMED_CHARCST 781#undef DERIVED_TYPE 782#undef NAMED_FUNCTION 783#undef NAMED_SUBROUTINE 784 785enum intmod_id 786{ 787 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING, 788 INTMOD_IEEE_FEATURES, INTMOD_IEEE_EXCEPTIONS, INTMOD_IEEE_ARITHMETIC 789}; 790 791typedef struct 792{ 793 char name[GFC_MAX_SYMBOL_LEN + 1]; 794 int value; /* Used for both integer and character values. */ 795 bt f90_type; 796} 797CInteropKind_t; 798 799/* Array of structs, where the structs represent the C interop kinds. 800 The list will be implemented based on a hash of the kind name since 801 these could be accessed multiple times. 802 Declared in trans-types.cc as a global, since it's in that file 803 that the list is initialized. */ 804extern CInteropKind_t c_interop_kinds_table[]; 805 806enum gfc_omp_device_type 807{ 808 OMP_DEVICE_TYPE_UNSET, 809 OMP_DEVICE_TYPE_HOST, 810 OMP_DEVICE_TYPE_NOHOST, 811 OMP_DEVICE_TYPE_ANY 812}; 813 814enum gfc_omp_severity_type 815{ 816 OMP_SEVERITY_UNSET, 817 OMP_SEVERITY_WARNING, 818 OMP_SEVERITY_FATAL 819}; 820 821enum gfc_omp_at_type 822{ 823 OMP_AT_UNSET, 824 OMP_AT_COMPILATION, 825 OMP_AT_EXECUTION 826}; 827 828/* Structure and list of supported extension attributes. */ 829typedef enum 830{ 831 EXT_ATTR_DLLIMPORT = 0, 832 EXT_ATTR_DLLEXPORT, 833 EXT_ATTR_STDCALL, 834 EXT_ATTR_CDECL, 835 EXT_ATTR_FASTCALL, 836 EXT_ATTR_NO_ARG_CHECK, 837 EXT_ATTR_DEPRECATED, 838 EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST 839} 840ext_attr_id_t; 841 842typedef struct 843{ 844 const char *name; 845 unsigned id; 846 const char *middle_end_name; 847} 848ext_attr_t; 849 850extern const ext_attr_t ext_attr_list[]; 851 852/* Symbol attribute structure. */ 853typedef struct 854{ 855 /* Variable attributes. */ 856 unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1, 857 optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, 858 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, 859 implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1, 860 contiguous:1, fe_temp: 1, automatic: 1; 861 862 /* For CLASS containers, the pointer attribute is sometimes set internally 863 even though it was not directly specified. In this case, keep the 864 "real" (original) value here. */ 865 unsigned class_pointer:1; 866 867 ENUM_BITFIELD (save_state) save:2; 868 869 unsigned data:1, /* Symbol is named in a DATA statement. */ 870 is_protected:1, /* Symbol has been marked as protected. */ 871 use_assoc:1, /* Symbol has been use-associated. */ 872 used_in_submodule:1, /* Symbol has been use-associated in a 873 submodule. Needed since these entities must 874 be set host associated to be compliant. */ 875 use_only:1, /* Symbol has been use-associated, with ONLY. */ 876 use_rename:1, /* Symbol has been use-associated and renamed. */ 877 imported:1, /* Symbol has been associated by IMPORT. */ 878 host_assoc:1; /* Symbol has been host associated. */ 879 880 unsigned in_namelist:1, in_common:1, in_equivalence:1; 881 unsigned function:1, subroutine:1, procedure:1; 882 unsigned generic:1, generic_copy:1; 883 unsigned implicit_type:1; /* Type defined via implicit rules. */ 884 unsigned untyped:1; /* No implicit type could be found. */ 885 886 unsigned is_bind_c:1; /* say if is bound to C. */ 887 unsigned extension:8; /* extension level of a derived type. */ 888 unsigned is_class:1; /* is a CLASS container. */ 889 unsigned class_ok:1; /* is a CLASS object with correct attributes. */ 890 unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */ 891 unsigned vtype:1; /* is a derived type of a vtab. */ 892 893 /* These flags are both in the typespec and attribute. The attribute 894 list is what gets read from/written to a module file. The typespec 895 is created from a decl being processed. */ 896 unsigned is_c_interop:1; /* It's c interoperable. */ 897 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ 898 899 /* Function/subroutine attributes */ 900 unsigned sequence:1, elemental:1, pure:1, recursive:1; 901 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; 902 903 /* Set if this is a module function or subroutine. Note that it is an 904 attribute because it appears as a prefix in the declaration like 905 PURE, etc.. */ 906 unsigned module_procedure:1; 907 908 /* Set if a (public) symbol [e.g. generic name] exposes this symbol, 909 which is relevant for private module procedures. */ 910 unsigned public_used:1; 911 912 /* This is set if a contained procedure could be declared pure. This is 913 used for certain optimizations that require the result or arguments 914 cannot alias. Note that this is zero for PURE procedures. */ 915 unsigned implicit_pure:1; 916 917 /* This is set for a procedure that contains expressions referencing 918 arrays coming from outside its namespace. 919 This is used to force the creation of a temporary when the LHS of 920 an array assignment may be used by an elemental procedure appearing 921 on the RHS. */ 922 unsigned array_outer_dependency:1; 923 924 /* This is set if the subroutine doesn't return. Currently, this 925 is only possible for intrinsic subroutines. */ 926 unsigned noreturn:1; 927 928 /* Set if this procedure is an alternate entry point. These procedures 929 don't have any code associated, and the backend will turn them into 930 thunks to the master function. */ 931 unsigned entry:1; 932 933 /* Set if this is the master function for a procedure with multiple 934 entry points. */ 935 unsigned entry_master:1; 936 937 /* Set if this is the master function for a function with multiple 938 entry points where characteristics of the entry points differ. */ 939 unsigned mixed_entry_master:1; 940 941 /* Set if a function must always be referenced by an explicit interface. */ 942 unsigned always_explicit:1; 943 944 /* Set if the symbol is generated and, hence, standard violations 945 shouldn't be flaged. */ 946 unsigned artificial:1; 947 948 /* Set if the symbol has been referenced in an expression. No further 949 modification of type or type parameters is permitted. */ 950 unsigned referenced:1; 951 952 /* Set if this is the symbol for the main program. */ 953 unsigned is_main_program:1; 954 955 /* Mutually exclusive multibit attributes. */ 956 ENUM_BITFIELD (gfc_access) access:2; 957 ENUM_BITFIELD (sym_intent) intent:2; 958 ENUM_BITFIELD (sym_flavor) flavor:4; 959 ENUM_BITFIELD (ifsrc) if_source:2; 960 961 ENUM_BITFIELD (procedure_type) proc:3; 962 963 /* Special attributes for Cray pointers, pointees. */ 964 unsigned cray_pointer:1, cray_pointee:1; 965 966 /* The symbol is a derived type with allocatable components, pointer 967 components or private components, procedure pointer components, 968 possibly nested. zero_comp is true if the derived type has no 969 component at all. defined_assign_comp is true if the derived 970 type or a (sub-)component has a typebound defined assignment. 971 unlimited_polymorphic flags the type of the container for these 972 entities. */ 973 unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1, 974 private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1, 975 event_comp:1, defined_assign_comp:1, unlimited_polymorphic:1, 976 has_dtio_procs:1, caf_token:1; 977 978 /* This is a temporary selector for SELECT TYPE/RANK or an associate 979 variable for SELECT TYPE/RANK or ASSOCIATE. */ 980 unsigned select_type_temporary:1, select_rank_temporary:1, associate_var:1; 981 982 /* These are the attributes required for parameterized derived 983 types. */ 984 unsigned pdt_kind:1, pdt_len:1, pdt_type:1, pdt_template:1, 985 pdt_array:1, pdt_string:1; 986 987 /* This is omp_{out,in,priv,orig} artificial variable in 988 !$OMP DECLARE REDUCTION. */ 989 unsigned omp_udr_artificial_var:1; 990 991 /* Mentioned in OMP DECLARE TARGET. */ 992 unsigned omp_declare_target:1; 993 unsigned omp_declare_target_link:1; 994 ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2; 995 996 /* Mentioned in OACC DECLARE. */ 997 unsigned oacc_declare_create:1; 998 unsigned oacc_declare_copyin:1; 999 unsigned oacc_declare_deviceptr:1; 1000 unsigned oacc_declare_device_resident:1; 1001 unsigned oacc_declare_link:1; 1002 1003 /* OpenACC 'routine' directive's level of parallelism. */ 1004 ENUM_BITFIELD (oacc_routine_lop) oacc_routine_lop:3; 1005 unsigned oacc_routine_nohost:1; 1006 1007 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */ 1008 unsigned ext_attr:EXT_ATTR_NUM; 1009 1010 /* The namespace where the attribute has been set. */ 1011 struct gfc_namespace *volatile_ns, *asynchronous_ns; 1012} 1013symbol_attribute; 1014 1015 1016/* We need to store source lines as sequences of multibyte source 1017 characters. We define here a type wide enough to hold any multibyte 1018 source character, just like libcpp does. A 32-bit type is enough. */ 1019 1020#if HOST_BITS_PER_INT >= 32 1021typedef unsigned int gfc_char_t; 1022#elif HOST_BITS_PER_LONG >= 32 1023typedef unsigned long gfc_char_t; 1024#elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) 1025typedef unsigned long long gfc_char_t; 1026#else 1027# error "Cannot find an integer type with at least 32 bits" 1028#endif 1029 1030 1031/* The following three structures are used to identify a location in 1032 the sources. 1033 1034 gfc_file is used to maintain a tree of the source files and how 1035 they include each other 1036 1037 gfc_linebuf holds a single line of source code and information 1038 which file it resides in 1039 1040 locus point to the sourceline and the character in the source 1041 line. 1042*/ 1043 1044typedef struct gfc_file 1045{ 1046 struct gfc_file *next, *up; 1047 int inclusion_line, line; 1048 char *filename; 1049} gfc_file; 1050 1051typedef struct gfc_linebuf 1052{ 1053 location_t location; 1054 struct gfc_file *file; 1055 struct gfc_linebuf *next; 1056 1057 int truncated; 1058 bool dbg_emitted; 1059 1060 gfc_char_t line[1]; 1061} gfc_linebuf; 1062 1063#define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) 1064 1065#define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) 1066 1067typedef struct 1068{ 1069 gfc_char_t *nextc; 1070 gfc_linebuf *lb; 1071} locus; 1072 1073/* In order for the "gfc" format checking to work correctly, you must 1074 have declared a typedef locus first. */ 1075#if GCC_VERSION >= 4001 1076#define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) 1077#else 1078#define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) 1079#endif 1080 1081 1082/* Suppress error messages or re-enable them. */ 1083 1084void gfc_push_suppress_errors (void); 1085void gfc_pop_suppress_errors (void); 1086bool gfc_query_suppress_errors (void); 1087 1088 1089/* Character length structures hold the expression that gives the 1090 length of a character variable. We avoid putting these into 1091 gfc_typespec because doing so prevents us from doing structure 1092 copies and forces us to deallocate any typespecs we create, as well 1093 as structures that contain typespecs. They also can have multiple 1094 character typespecs pointing to them. 1095 1096 These structures form a singly linked list within the current 1097 namespace and are deallocated with the namespace. It is possible to 1098 end up with gfc_charlen structures that have nothing pointing to them. */ 1099 1100typedef struct gfc_charlen 1101{ 1102 struct gfc_expr *length; 1103 struct gfc_charlen *next; 1104 bool length_from_typespec; /* Length from explicit array ctor typespec? */ 1105 tree backend_decl; 1106 tree passed_length; /* Length argument explicitly passed. */ 1107 1108 int resolved; 1109} 1110gfc_charlen; 1111 1112#define gfc_get_charlen() XCNEW (gfc_charlen) 1113 1114/* Type specification structure. */ 1115typedef struct 1116{ 1117 bt type; 1118 int kind; 1119 1120 union 1121 { 1122 struct gfc_symbol *derived; /* For derived types only. */ 1123 gfc_charlen *cl; /* For character types only. */ 1124 int pad; /* For hollerith types only. */ 1125 } 1126 u; 1127 1128 struct gfc_symbol *interface; /* For PROCEDURE declarations. */ 1129 int is_c_interop; 1130 int is_iso_c; 1131 bt f90_type; 1132 bool deferred; 1133 gfc_symbol *interop_kind; 1134} 1135gfc_typespec; 1136 1137/* Array specification. */ 1138typedef struct 1139{ 1140 int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */ 1141 int corank; 1142 array_type type, cotype; 1143 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; 1144 1145 /* These two fields are used with the Cray Pointer extension. */ 1146 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ 1147 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to 1148 AS_EXPLICIT, but we want to remember that we 1149 did this. */ 1150 1151 bool resolved; 1152} 1153gfc_array_spec; 1154 1155#define gfc_get_array_spec() XCNEW (gfc_array_spec) 1156 1157 1158/* Components of derived types. */ 1159typedef struct gfc_component 1160{ 1161 const char *name; 1162 gfc_typespec ts; 1163 1164 symbol_attribute attr; 1165 gfc_array_spec *as; 1166 1167 tree backend_decl; 1168 /* Used to cache a FIELD_DECL matching this same component 1169 but applied to a different backend containing type that was 1170 generated by gfc_nonrestricted_type. */ 1171 tree norestrict_decl; 1172 locus loc; 1173 struct gfc_expr *initializer; 1174 /* Used in parameterized derived type declarations to store parameterized 1175 kind expressions. */ 1176 struct gfc_expr *kind_expr; 1177 struct gfc_actual_arglist *param_list; 1178 1179 struct gfc_component *next; 1180 1181 /* Needed for procedure pointer components. */ 1182 struct gfc_typebound_proc *tb; 1183 /* When allocatable/pointer and in a coarray the associated token. */ 1184 tree caf_token; 1185} 1186gfc_component; 1187 1188#define gfc_get_component() XCNEW (gfc_component) 1189 1190/* Formal argument lists are lists of symbols. */ 1191typedef struct gfc_formal_arglist 1192{ 1193 /* Symbol representing the argument at this position in the arglist. */ 1194 struct gfc_symbol *sym; 1195 /* Points to the next formal argument. */ 1196 struct gfc_formal_arglist *next; 1197} 1198gfc_formal_arglist; 1199 1200#define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) 1201 1202 1203struct gfc_dummy_arg; 1204 1205 1206/* The gfc_actual_arglist structure is for actual arguments and 1207 for type parameter specification lists. */ 1208typedef struct gfc_actual_arglist 1209{ 1210 const char *name; 1211 /* Alternate return label when the expr member is null. */ 1212 struct gfc_st_label *label; 1213 1214 gfc_param_spec_type spec_type; 1215 1216 struct gfc_expr *expr; 1217 1218 /* The dummy arg this actual arg is associated with, if the interface 1219 is explicit. NULL otherwise. */ 1220 gfc_dummy_arg *associated_dummy; 1221 1222 struct gfc_actual_arglist *next; 1223} 1224gfc_actual_arglist; 1225 1226#define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) 1227 1228 1229/* Because a symbol can belong to multiple namelists, they must be 1230 linked externally to the symbol itself. */ 1231typedef struct gfc_namelist 1232{ 1233 struct gfc_symbol *sym; 1234 struct gfc_namelist *next; 1235} 1236gfc_namelist; 1237 1238#define gfc_get_namelist() XCNEW (gfc_namelist) 1239 1240/* Likewise to gfc_namelist, but contains expressions. */ 1241typedef struct gfc_expr_list 1242{ 1243 struct gfc_expr *expr; 1244 struct gfc_expr_list *next; 1245} 1246gfc_expr_list; 1247 1248#define gfc_get_expr_list() XCNEW (gfc_expr_list) 1249 1250enum gfc_omp_reduction_op 1251{ 1252 OMP_REDUCTION_NONE = -1, 1253 OMP_REDUCTION_PLUS = INTRINSIC_PLUS, 1254 OMP_REDUCTION_MINUS = INTRINSIC_MINUS, 1255 OMP_REDUCTION_TIMES = INTRINSIC_TIMES, 1256 OMP_REDUCTION_AND = INTRINSIC_AND, 1257 OMP_REDUCTION_OR = INTRINSIC_OR, 1258 OMP_REDUCTION_EQV = INTRINSIC_EQV, 1259 OMP_REDUCTION_NEQV = INTRINSIC_NEQV, 1260 OMP_REDUCTION_MAX = GFC_INTRINSIC_END, 1261 OMP_REDUCTION_MIN, 1262 OMP_REDUCTION_IAND, 1263 OMP_REDUCTION_IOR, 1264 OMP_REDUCTION_IEOR, 1265 OMP_REDUCTION_USER 1266}; 1267 1268enum gfc_omp_depend_op 1269{ 1270 OMP_DEPEND_UNSET, 1271 OMP_DEPEND_IN, 1272 OMP_DEPEND_OUT, 1273 OMP_DEPEND_INOUT, 1274 OMP_DEPEND_MUTEXINOUTSET, 1275 OMP_DEPEND_DEPOBJ, 1276 OMP_DEPEND_SINK_FIRST, 1277 OMP_DEPEND_SINK 1278}; 1279 1280enum gfc_omp_map_op 1281{ 1282 OMP_MAP_ALLOC, 1283 OMP_MAP_IF_PRESENT, 1284 OMP_MAP_ATTACH, 1285 OMP_MAP_TO, 1286 OMP_MAP_FROM, 1287 OMP_MAP_TOFROM, 1288 OMP_MAP_DELETE, 1289 OMP_MAP_DETACH, 1290 OMP_MAP_FORCE_ALLOC, 1291 OMP_MAP_FORCE_TO, 1292 OMP_MAP_FORCE_FROM, 1293 OMP_MAP_FORCE_TOFROM, 1294 OMP_MAP_FORCE_PRESENT, 1295 OMP_MAP_FORCE_DEVICEPTR, 1296 OMP_MAP_DEVICE_RESIDENT, 1297 OMP_MAP_LINK, 1298 OMP_MAP_RELEASE, 1299 OMP_MAP_ALWAYS_TO, 1300 OMP_MAP_ALWAYS_FROM, 1301 OMP_MAP_ALWAYS_TOFROM 1302}; 1303 1304enum gfc_omp_defaultmap 1305{ 1306 OMP_DEFAULTMAP_UNSET, 1307 OMP_DEFAULTMAP_ALLOC, 1308 OMP_DEFAULTMAP_TO, 1309 OMP_DEFAULTMAP_FROM, 1310 OMP_DEFAULTMAP_TOFROM, 1311 OMP_DEFAULTMAP_FIRSTPRIVATE, 1312 OMP_DEFAULTMAP_NONE, 1313 OMP_DEFAULTMAP_DEFAULT, 1314 OMP_DEFAULTMAP_PRESENT 1315}; 1316 1317enum gfc_omp_defaultmap_category 1318{ 1319 OMP_DEFAULTMAP_CAT_UNCATEGORIZED, 1320 OMP_DEFAULTMAP_CAT_SCALAR, 1321 OMP_DEFAULTMAP_CAT_AGGREGATE, 1322 OMP_DEFAULTMAP_CAT_ALLOCATABLE, 1323 OMP_DEFAULTMAP_CAT_POINTER, 1324 OMP_DEFAULTMAP_CAT_NUM 1325}; 1326 1327enum gfc_omp_linear_op 1328{ 1329 OMP_LINEAR_DEFAULT, 1330 OMP_LINEAR_REF, 1331 OMP_LINEAR_VAL, 1332 OMP_LINEAR_UVAL 1333}; 1334 1335/* For use in OpenMP clauses in case we need extra information 1336 (aligned clause alignment, linear clause step, etc.). */ 1337 1338typedef struct gfc_omp_namelist 1339{ 1340 struct gfc_symbol *sym; 1341 struct gfc_expr *expr; 1342 union 1343 { 1344 gfc_omp_reduction_op reduction_op; 1345 gfc_omp_depend_op depend_op; 1346 gfc_omp_map_op map_op; 1347 gfc_omp_linear_op linear_op; 1348 struct gfc_common_head *common; 1349 bool lastprivate_conditional; 1350 } u; 1351 union 1352 { 1353 struct gfc_omp_namelist_udr *udr; 1354 gfc_namespace *ns; 1355 } u2; 1356 struct gfc_omp_namelist *next; 1357 locus where; 1358} 1359gfc_omp_namelist; 1360 1361#define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist) 1362 1363enum 1364{ 1365 OMP_LIST_FIRST, 1366 OMP_LIST_PRIVATE = OMP_LIST_FIRST, 1367 OMP_LIST_FIRSTPRIVATE, 1368 OMP_LIST_LASTPRIVATE, 1369 OMP_LIST_COPYPRIVATE, 1370 OMP_LIST_SHARED, 1371 OMP_LIST_COPYIN, 1372 OMP_LIST_UNIFORM, 1373 OMP_LIST_AFFINITY, 1374 OMP_LIST_ALIGNED, 1375 OMP_LIST_LINEAR, 1376 OMP_LIST_DEPEND, 1377 OMP_LIST_MAP, 1378 OMP_LIST_TO, 1379 OMP_LIST_FROM, 1380 OMP_LIST_SCAN_IN, 1381 OMP_LIST_SCAN_EX, 1382 OMP_LIST_REDUCTION, 1383 OMP_LIST_REDUCTION_INSCAN, 1384 OMP_LIST_REDUCTION_TASK, 1385 OMP_LIST_IN_REDUCTION, 1386 OMP_LIST_TASK_REDUCTION, 1387 OMP_LIST_DEVICE_RESIDENT, 1388 OMP_LIST_LINK, 1389 OMP_LIST_USE_DEVICE, 1390 OMP_LIST_CACHE, 1391 OMP_LIST_IS_DEVICE_PTR, 1392 OMP_LIST_USE_DEVICE_PTR, 1393 OMP_LIST_USE_DEVICE_ADDR, 1394 OMP_LIST_NONTEMPORAL, 1395 OMP_LIST_ALLOCATE, 1396 OMP_LIST_HAS_DEVICE_ADDR, 1397 OMP_LIST_NUM /* Must be the last. */ 1398}; 1399 1400/* Because a symbol can belong to multiple namelists, they must be 1401 linked externally to the symbol itself. */ 1402 1403enum gfc_omp_sched_kind 1404{ 1405 OMP_SCHED_NONE, 1406 OMP_SCHED_STATIC, 1407 OMP_SCHED_DYNAMIC, 1408 OMP_SCHED_GUIDED, 1409 OMP_SCHED_RUNTIME, 1410 OMP_SCHED_AUTO 1411}; 1412 1413enum gfc_omp_default_sharing 1414{ 1415 OMP_DEFAULT_UNKNOWN, 1416 OMP_DEFAULT_NONE, 1417 OMP_DEFAULT_PRIVATE, 1418 OMP_DEFAULT_SHARED, 1419 OMP_DEFAULT_FIRSTPRIVATE, 1420 OMP_DEFAULT_PRESENT 1421}; 1422 1423enum gfc_omp_proc_bind_kind 1424{ 1425 OMP_PROC_BIND_UNKNOWN, 1426 OMP_PROC_BIND_PRIMARY, 1427 OMP_PROC_BIND_MASTER, 1428 OMP_PROC_BIND_SPREAD, 1429 OMP_PROC_BIND_CLOSE 1430}; 1431 1432enum gfc_omp_cancel_kind 1433{ 1434 OMP_CANCEL_UNKNOWN, 1435 OMP_CANCEL_PARALLEL, 1436 OMP_CANCEL_SECTIONS, 1437 OMP_CANCEL_DO, 1438 OMP_CANCEL_TASKGROUP 1439}; 1440 1441enum gfc_omp_if_kind 1442{ 1443 OMP_IF_CANCEL, 1444 OMP_IF_PARALLEL, 1445 OMP_IF_SIMD, 1446 OMP_IF_TASK, 1447 OMP_IF_TASKLOOP, 1448 OMP_IF_TARGET, 1449 OMP_IF_TARGET_DATA, 1450 OMP_IF_TARGET_UPDATE, 1451 OMP_IF_TARGET_ENTER_DATA, 1452 OMP_IF_TARGET_EXIT_DATA, 1453 OMP_IF_LAST 1454}; 1455 1456enum gfc_omp_atomic_op 1457{ 1458 GFC_OMP_ATOMIC_UNSET = 0, 1459 GFC_OMP_ATOMIC_UPDATE = 1, 1460 GFC_OMP_ATOMIC_READ = 2, 1461 GFC_OMP_ATOMIC_WRITE = 3, 1462 GFC_OMP_ATOMIC_MASK = 3, 1463 GFC_OMP_ATOMIC_SWAP = 16 1464}; 1465 1466enum gfc_omp_requires_kind 1467{ 1468 /* Keep in sync with gfc_namespace, esp. with omp_req_mem_order. */ 1469 OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST = 1, /* 01 */ 1470 OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL = 2, /* 10 */ 1471 OMP_REQ_ATOMIC_MEM_ORDER_RELAXED = 3, /* 11 */ 1472 OMP_REQ_REVERSE_OFFLOAD = (1 << 2), 1473 OMP_REQ_UNIFIED_ADDRESS = (1 << 3), 1474 OMP_REQ_UNIFIED_SHARED_MEMORY = (1 << 4), 1475 OMP_REQ_DYNAMIC_ALLOCATORS = (1 << 5), 1476 OMP_REQ_TARGET_MASK = (OMP_REQ_REVERSE_OFFLOAD 1477 | OMP_REQ_UNIFIED_ADDRESS 1478 | OMP_REQ_UNIFIED_SHARED_MEMORY), 1479 OMP_REQ_ATOMIC_MEM_ORDER_MASK = (OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST 1480 | OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL 1481 | OMP_REQ_ATOMIC_MEM_ORDER_RELAXED) 1482}; 1483 1484enum gfc_omp_memorder 1485{ 1486 OMP_MEMORDER_UNSET, 1487 OMP_MEMORDER_SEQ_CST, 1488 OMP_MEMORDER_ACQ_REL, 1489 OMP_MEMORDER_RELEASE, 1490 OMP_MEMORDER_ACQUIRE, 1491 OMP_MEMORDER_RELAXED 1492}; 1493 1494enum gfc_omp_bind_type 1495{ 1496 OMP_BIND_UNSET, 1497 OMP_BIND_TEAMS, 1498 OMP_BIND_PARALLEL, 1499 OMP_BIND_THREAD 1500}; 1501 1502typedef struct gfc_omp_clauses 1503{ 1504 gfc_omp_namelist *lists[OMP_LIST_NUM]; 1505 struct gfc_expr *if_expr; 1506 struct gfc_expr *final_expr; 1507 struct gfc_expr *num_threads; 1508 struct gfc_expr *chunk_size; 1509 struct gfc_expr *safelen_expr; 1510 struct gfc_expr *simdlen_expr; 1511 struct gfc_expr *num_teams_lower; 1512 struct gfc_expr *num_teams_upper; 1513 struct gfc_expr *device; 1514 struct gfc_expr *thread_limit; 1515 struct gfc_expr *grainsize; 1516 struct gfc_expr *filter; 1517 struct gfc_expr *hint; 1518 struct gfc_expr *num_tasks; 1519 struct gfc_expr *priority; 1520 struct gfc_expr *detach; 1521 struct gfc_expr *depobj; 1522 struct gfc_expr *if_exprs[OMP_IF_LAST]; 1523 struct gfc_expr *dist_chunk_size; 1524 struct gfc_expr *message; 1525 const char *critical_name; 1526 enum gfc_omp_default_sharing default_sharing; 1527 enum gfc_omp_atomic_op atomic_op; 1528 enum gfc_omp_defaultmap defaultmap[OMP_DEFAULTMAP_CAT_NUM]; 1529 int collapse, orderedc; 1530 unsigned nowait:1, ordered:1, untied:1, mergeable:1, ancestor:1; 1531 unsigned inbranch:1, notinbranch:1, nogroup:1; 1532 unsigned sched_simd:1, sched_monotonic:1, sched_nonmonotonic:1; 1533 unsigned simd:1, threads:1, depend_source:1, destroy:1, order_concurrent:1; 1534 unsigned order_unconstrained:1, order_reproducible:1, capture:1; 1535 unsigned grainsize_strict:1, num_tasks_strict:1, compare:1, weak:1; 1536 ENUM_BITFIELD (gfc_omp_sched_kind) sched_kind:3; 1537 ENUM_BITFIELD (gfc_omp_device_type) device_type:2; 1538 ENUM_BITFIELD (gfc_omp_memorder) memorder:3; 1539 ENUM_BITFIELD (gfc_omp_memorder) fail:3; 1540 ENUM_BITFIELD (gfc_omp_cancel_kind) cancel:3; 1541 ENUM_BITFIELD (gfc_omp_proc_bind_kind) proc_bind:3; 1542 ENUM_BITFIELD (gfc_omp_depend_op) depobj_update:3; 1543 ENUM_BITFIELD (gfc_omp_bind_type) bind:2; 1544 ENUM_BITFIELD (gfc_omp_at_type) at:2; 1545 ENUM_BITFIELD (gfc_omp_severity_type) severity:2; 1546 ENUM_BITFIELD (gfc_omp_sched_kind) dist_sched_kind:3; 1547 1548 /* OpenACC. */ 1549 struct gfc_expr *async_expr; 1550 struct gfc_expr *gang_static_expr; 1551 struct gfc_expr *gang_num_expr; 1552 struct gfc_expr *worker_expr; 1553 struct gfc_expr *vector_expr; 1554 struct gfc_expr *num_gangs_expr; 1555 struct gfc_expr *num_workers_expr; 1556 struct gfc_expr *vector_length_expr; 1557 gfc_expr_list *wait_list; 1558 gfc_expr_list *tile_list; 1559 unsigned async:1, gang:1, worker:1, vector:1, seq:1, independent:1; 1560 unsigned par_auto:1, gang_static:1; 1561 unsigned if_present:1, finalize:1; 1562 unsigned nohost:1; 1563 locus loc; 1564} 1565gfc_omp_clauses; 1566 1567#define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) 1568 1569 1570/* Node in the linked list used for storing !$oacc declare constructs. */ 1571 1572typedef struct gfc_oacc_declare 1573{ 1574 struct gfc_oacc_declare *next; 1575 bool module_var; 1576 gfc_omp_clauses *clauses; 1577 locus loc; 1578} 1579gfc_oacc_declare; 1580 1581#define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare) 1582 1583 1584/* Node in the linked list used for storing !$omp declare simd constructs. */ 1585 1586typedef struct gfc_omp_declare_simd 1587{ 1588 struct gfc_omp_declare_simd *next; 1589 locus where; /* Where the !$omp declare simd construct occurred. */ 1590 1591 gfc_symbol *proc_name; 1592 1593 gfc_omp_clauses *clauses; 1594} 1595gfc_omp_declare_simd; 1596#define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd) 1597 1598 1599enum gfc_omp_trait_property_kind 1600{ 1601 CTX_PROPERTY_NONE, 1602 CTX_PROPERTY_USER, 1603 CTX_PROPERTY_NAME_LIST, 1604 CTX_PROPERTY_ID, 1605 CTX_PROPERTY_EXPR, 1606 CTX_PROPERTY_SIMD 1607}; 1608 1609typedef struct gfc_omp_trait_property 1610{ 1611 struct gfc_omp_trait_property *next; 1612 enum gfc_omp_trait_property_kind property_kind; 1613 bool is_name : 1; 1614 1615 union 1616 { 1617 gfc_expr *expr; 1618 gfc_symbol *sym; 1619 gfc_omp_clauses *clauses; 1620 char *name; 1621 }; 1622} gfc_omp_trait_property; 1623#define gfc_get_omp_trait_property() XCNEW (gfc_omp_trait_property) 1624 1625typedef struct gfc_omp_selector 1626{ 1627 struct gfc_omp_selector *next; 1628 1629 char *trait_selector_name; 1630 gfc_expr *score; 1631 struct gfc_omp_trait_property *properties; 1632} gfc_omp_selector; 1633#define gfc_get_omp_selector() XCNEW (gfc_omp_selector) 1634 1635typedef struct gfc_omp_set_selector 1636{ 1637 struct gfc_omp_set_selector *next; 1638 1639 const char *trait_set_selector_name; 1640 struct gfc_omp_selector *trait_selectors; 1641} gfc_omp_set_selector; 1642#define gfc_get_omp_set_selector() XCNEW (gfc_omp_set_selector) 1643 1644 1645/* Node in the linked list used for storing !$omp declare variant 1646 constructs. */ 1647 1648typedef struct gfc_omp_declare_variant 1649{ 1650 struct gfc_omp_declare_variant *next; 1651 locus where; /* Where the !$omp declare variant construct occurred. */ 1652 1653 struct gfc_symtree *base_proc_symtree; 1654 struct gfc_symtree *variant_proc_symtree; 1655 1656 gfc_omp_set_selector *set_selectors; 1657 1658 bool checked_p : 1; /* Set if previously checked for errors. */ 1659 bool error_p : 1; /* Set if error found in directive. */ 1660} 1661gfc_omp_declare_variant; 1662#define gfc_get_omp_declare_variant() XCNEW (gfc_omp_declare_variant) 1663 1664 1665typedef struct gfc_omp_udr 1666{ 1667 struct gfc_omp_udr *next; 1668 locus where; /* Where the !$omp declare reduction construct occurred. */ 1669 1670 const char *name; 1671 gfc_typespec ts; 1672 gfc_omp_reduction_op rop; 1673 1674 struct gfc_symbol *omp_out; 1675 struct gfc_symbol *omp_in; 1676 struct gfc_namespace *combiner_ns; 1677 1678 struct gfc_symbol *omp_priv; 1679 struct gfc_symbol *omp_orig; 1680 struct gfc_namespace *initializer_ns; 1681} 1682gfc_omp_udr; 1683#define gfc_get_omp_udr() XCNEW (gfc_omp_udr) 1684 1685typedef struct gfc_omp_namelist_udr 1686{ 1687 struct gfc_omp_udr *udr; 1688 struct gfc_code *combiner; 1689 struct gfc_code *initializer; 1690} 1691gfc_omp_namelist_udr; 1692#define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr) 1693 1694/* The gfc_st_label structure is a BBT attached to a namespace that 1695 records the usage of statement labels within that space. */ 1696 1697typedef struct gfc_st_label 1698{ 1699 BBT_HEADER(gfc_st_label); 1700 1701 int value; 1702 1703 gfc_sl_type defined, referenced; 1704 1705 struct gfc_expr *format; 1706 1707 tree backend_decl; 1708 1709 locus where; 1710 1711 gfc_namespace *ns; 1712} 1713gfc_st_label; 1714 1715 1716/* gfc_interface()-- Interfaces are lists of symbols strung together. */ 1717typedef struct gfc_interface 1718{ 1719 struct gfc_symbol *sym; 1720 locus where; 1721 struct gfc_interface *next; 1722} 1723gfc_interface; 1724 1725#define gfc_get_interface() XCNEW (gfc_interface) 1726 1727/* User operator nodes. These are like stripped down symbols. */ 1728typedef struct 1729{ 1730 const char *name; 1731 1732 gfc_interface *op; 1733 struct gfc_namespace *ns; 1734 gfc_access access; 1735} 1736gfc_user_op; 1737 1738 1739/* A list of specific bindings that are associated with a generic spec. */ 1740typedef struct gfc_tbp_generic 1741{ 1742 /* The parser sets specific_st, upon resolution we look for the corresponding 1743 gfc_typebound_proc and set specific for further use. */ 1744 struct gfc_symtree* specific_st; 1745 struct gfc_typebound_proc* specific; 1746 1747 struct gfc_tbp_generic* next; 1748 bool is_operator; 1749} 1750gfc_tbp_generic; 1751 1752#define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic) 1753 1754 1755/* Data needed for type-bound procedures. */ 1756typedef struct gfc_typebound_proc 1757{ 1758 locus where; /* Where the PROCEDURE/GENERIC definition was. */ 1759 1760 union 1761 { 1762 struct gfc_symtree* specific; /* The interface if DEFERRED. */ 1763 gfc_tbp_generic* generic; 1764 } 1765 u; 1766 1767 gfc_access access; 1768 const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */ 1769 1770 /* The overridden type-bound proc (or GENERIC with this name in the 1771 parent-type) or NULL if non. */ 1772 struct gfc_typebound_proc* overridden; 1773 1774 /* Once resolved, we use the position of pass_arg in the formal arglist of 1775 the binding-target procedure to identify it. The first argument has 1776 number 1 here, the second 2, and so on. */ 1777 unsigned pass_arg_num; 1778 1779 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */ 1780 unsigned non_overridable:1; 1781 unsigned deferred:1; 1782 unsigned is_generic:1; 1783 unsigned function:1, subroutine:1; 1784 unsigned error:1; /* Ignore it, when an error occurred during resolution. */ 1785 unsigned ppc:1; 1786} 1787gfc_typebound_proc; 1788 1789 1790/* Symbol nodes. These are important things. They are what the 1791 standard refers to as "entities". The possibly multiple names that 1792 refer to the same entity are accomplished by a binary tree of 1793 symtree structures that is balanced by the red-black method-- more 1794 than one symtree node can point to any given symbol. */ 1795 1796typedef struct gfc_symbol 1797{ 1798 const char *name; /* Primary name, before renaming */ 1799 const char *module; /* Module this symbol came from */ 1800 locus declared_at; 1801 1802 gfc_typespec ts; 1803 symbol_attribute attr; 1804 1805 /* The formal member points to the formal argument list if the 1806 symbol is a function or subroutine name. If the symbol is a 1807 generic name, the generic member points to the list of 1808 interfaces. */ 1809 1810 gfc_interface *generic; 1811 gfc_access component_access; 1812 1813 gfc_formal_arglist *formal; 1814 struct gfc_namespace *formal_ns; 1815 struct gfc_namespace *f2k_derived; 1816 1817 /* List of PDT parameter expressions */ 1818 struct gfc_actual_arglist *param_list; 1819 1820 struct gfc_expr *value; /* Parameter/Initializer value */ 1821 gfc_array_spec *as; 1822 struct gfc_symbol *result; /* function result symbol */ 1823 gfc_component *components; /* Derived type components */ 1824 1825 /* Defined only for Cray pointees; points to their pointer. */ 1826 struct gfc_symbol *cp_pointer; 1827 1828 int entry_id; /* Used in resolve.cc for entries. */ 1829 1830 /* CLASS hashed name for declared and dynamic types in the class. */ 1831 int hash_value; 1832 1833 struct gfc_symbol *common_next; /* Links for COMMON syms */ 1834 1835 /* This is only used for pointer comparisons to check if symbols 1836 are in the same common block. 1837 In opposition to common_block, the common_head pointer takes into account 1838 equivalences: if A is in a common block C and A and B are in equivalence, 1839 then both A and B have common_head pointing to C, while A's common_block 1840 points to C and B's is NULL. */ 1841 struct gfc_common_head* common_head; 1842 1843 /* Make sure setup code for dummy arguments is generated in the correct 1844 order. */ 1845 int dummy_order; 1846 1847 gfc_namelist *namelist, *namelist_tail; 1848 1849 /* Change management fields. Symbols that might be modified by the 1850 current statement have the mark member nonzero. Of these symbols, 1851 symbols with old_symbol equal to NULL are symbols created within 1852 the current statement. Otherwise, old_symbol points to a copy of 1853 the old symbol. gfc_new is used in symbol.cc to flag new symbols. 1854 comp_mark is used to indicate variables which have component accesses 1855 in OpenMP/OpenACC directive clauses. */ 1856 struct gfc_symbol *old_symbol; 1857 unsigned mark:1, comp_mark:1, gfc_new:1; 1858 1859 /* The tlink field is used in the front end to carry the module 1860 declaration of separate module procedures so that the characteristics 1861 can be compared with the corresponding declaration in a submodule. In 1862 translation this field carries a linked list of symbols that require 1863 deferred initialization. */ 1864 struct gfc_symbol *tlink; 1865 1866 /* Nonzero if all equivalences associated with this symbol have been 1867 processed. */ 1868 unsigned equiv_built:1; 1869 /* Set if this variable is used as an index name in a FORALL. */ 1870 unsigned forall_index:1; 1871 /* Set if the symbol is used in a function result specification . */ 1872 unsigned fn_result_spec:1; 1873 /* Used to avoid multiple resolutions of a single symbol. */ 1874 /* = 2 if this has already been resolved as an intrinsic, 1875 in gfc_resolve_intrinsic, 1876 = 1 if it has been resolved in resolve_symbol. */ 1877 unsigned resolve_symbol_called:2; 1878 /* Set if this is a module function or subroutine with the 1879 abreviated declaration in a submodule. */ 1880 unsigned abr_modproc_decl:1; 1881 /* Set if a previous error or warning has occurred and no other 1882 should be reported. */ 1883 unsigned error:1; 1884 /* Set if the dummy argument of a procedure could be an array despite 1885 being called with a scalar actual argument. */ 1886 unsigned maybe_array:1; 1887 /* Set if this should be passed by value, but is not a VALUE argument 1888 according to the Fortran standard. */ 1889 unsigned pass_as_value:1; 1890 1891 int refs; 1892 struct gfc_namespace *ns; /* namespace containing this symbol */ 1893 1894 tree backend_decl; 1895 1896 /* Identity of the intrinsic module the symbol comes from, or 1897 INTMOD_NONE if it's not imported from a intrinsic module. */ 1898 intmod_id from_intmod; 1899 /* Identity of the symbol from intrinsic modules, from enums maintained 1900 separately by each intrinsic module. Used together with from_intmod, 1901 it uniquely identifies a symbol from an intrinsic module. */ 1902 int intmod_sym_id; 1903 1904 /* This may be repetitive, since the typespec now has a binding 1905 label field. */ 1906 const char* binding_label; 1907 /* Store a reference to the common_block, if this symbol is in one. */ 1908 struct gfc_common_head *common_block; 1909 1910 /* Link to corresponding association-list if this is an associate name. */ 1911 struct gfc_association_list *assoc; 1912 1913 /* Link to next entry in derived type list */ 1914 struct gfc_symbol *dt_next; 1915} 1916gfc_symbol; 1917 1918 1919struct gfc_undo_change_set 1920{ 1921 vec<gfc_symbol *> syms; 1922 vec<gfc_typebound_proc *> tbps; 1923 gfc_undo_change_set *previous; 1924}; 1925 1926 1927/* This structure is used to keep track of symbols in common blocks. */ 1928typedef struct gfc_common_head 1929{ 1930 locus where; 1931 char use_assoc, saved, threadprivate; 1932 unsigned char omp_declare_target : 1; 1933 unsigned char omp_declare_target_link : 1; 1934 ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2; 1935 /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */ 1936 char name[2*GFC_MAX_SYMBOL_LEN + 1 + 14 + 1]; 1937 struct gfc_symbol *head; 1938 const char* binding_label; 1939 int is_bind_c; 1940 int refs; 1941} 1942gfc_common_head; 1943 1944#define gfc_get_common_head() XCNEW (gfc_common_head) 1945 1946 1947/* A list of all the alternate entry points for a procedure. */ 1948 1949typedef struct gfc_entry_list 1950{ 1951 /* The symbol for this entry point. */ 1952 gfc_symbol *sym; 1953 /* The zero-based id of this entry point. */ 1954 int id; 1955 /* The LABEL_EXPR marking this entry point. */ 1956 tree label; 1957 /* The next item in the list. */ 1958 struct gfc_entry_list *next; 1959} 1960gfc_entry_list; 1961 1962#define gfc_get_entry_list() XCNEW (gfc_entry_list) 1963 1964/* Lists of rename info for the USE statement. */ 1965 1966typedef struct gfc_use_rename 1967{ 1968 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1]; 1969 struct gfc_use_rename *next; 1970 int found; 1971 gfc_intrinsic_op op; 1972 locus where; 1973} 1974gfc_use_rename; 1975 1976#define gfc_get_use_rename() XCNEW (gfc_use_rename); 1977 1978/* A list of all USE statements in a namespace. */ 1979 1980typedef struct gfc_use_list 1981{ 1982 const char *module_name; 1983 const char *submodule_name; 1984 bool intrinsic; 1985 bool non_intrinsic; 1986 bool only_flag; 1987 struct gfc_use_rename *rename; 1988 locus where; 1989 /* Next USE statement. */ 1990 struct gfc_use_list *next; 1991} 1992gfc_use_list; 1993 1994#define gfc_get_use_list() XCNEW (gfc_use_list) 1995 1996/* Within a namespace, symbols are pointed to by symtree nodes that 1997 are linked together in a balanced binary tree. There can be 1998 several symtrees pointing to the same symbol node via USE 1999 statements. */ 2000 2001typedef struct gfc_symtree 2002{ 2003 BBT_HEADER (gfc_symtree); 2004 const char *name; 2005 int ambiguous; 2006 union 2007 { 2008 gfc_symbol *sym; /* Symbol associated with this node */ 2009 gfc_user_op *uop; 2010 gfc_common_head *common; 2011 gfc_typebound_proc *tb; 2012 gfc_omp_udr *omp_udr; 2013 } 2014 n; 2015} 2016gfc_symtree; 2017 2018/* A list of all derived types. */ 2019extern gfc_symbol *gfc_derived_types; 2020 2021typedef struct gfc_oacc_routine_name 2022{ 2023 struct gfc_symbol *sym; 2024 struct gfc_omp_clauses *clauses; 2025 struct gfc_oacc_routine_name *next; 2026 locus loc; 2027} 2028gfc_oacc_routine_name; 2029 2030#define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name) 2031 2032/* Node in linked list to see what has already been finalized 2033 earlier. */ 2034 2035typedef struct gfc_was_finalized { 2036 gfc_expr *e; 2037 gfc_component *c; 2038 struct gfc_was_finalized *next; 2039} 2040gfc_was_finalized; 2041 2042/* A namespace describes the contents of procedure, module, interface block 2043 or BLOCK construct. */ 2044/* ??? Anything else use these? */ 2045 2046typedef struct gfc_namespace 2047{ 2048 /* Tree containing all the symbols in this namespace. */ 2049 gfc_symtree *sym_root; 2050 /* Tree containing all the user-defined operators in the namespace. */ 2051 gfc_symtree *uop_root; 2052 /* Tree containing all the common blocks. */ 2053 gfc_symtree *common_root; 2054 /* Tree containing all the OpenMP user defined reductions. */ 2055 gfc_symtree *omp_udr_root; 2056 2057 /* Tree containing type-bound procedures. */ 2058 gfc_symtree *tb_sym_root; 2059 /* Type-bound user operators. */ 2060 gfc_symtree *tb_uop_root; 2061 /* For derived-types, store type-bound intrinsic operators here. */ 2062 gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS]; 2063 /* Linked list of finalizer procedures. */ 2064 struct gfc_finalizer *finalizers; 2065 2066 /* If set_flag[letter] is set, an implicit type has been set for letter. */ 2067 int set_flag[GFC_LETTERS]; 2068 /* Keeps track of the implicit types associated with the letters. */ 2069 gfc_typespec default_type[GFC_LETTERS]; 2070 /* Store the positions of IMPLICIT statements. */ 2071 locus implicit_loc[GFC_LETTERS]; 2072 2073 /* If this is a namespace of a procedure, this points to the procedure. */ 2074 struct gfc_symbol *proc_name; 2075 /* If this is the namespace of a unit which contains executable 2076 code, this points to it. */ 2077 struct gfc_code *code; 2078 2079 /* Points to the equivalences set up in this namespace. */ 2080 struct gfc_equiv *equiv, *old_equiv; 2081 2082 /* Points to the equivalence groups produced by trans_common. */ 2083 struct gfc_equiv_list *equiv_lists; 2084 2085 gfc_interface *op[GFC_INTRINSIC_OPS]; 2086 2087 /* Points to the parent namespace, i.e. the namespace of a module or 2088 procedure in which the procedure belonging to this namespace is 2089 contained. The parent namespace points to this namespace either 2090 directly via CONTAINED, or indirectly via the chain built by 2091 SIBLING. */ 2092 struct gfc_namespace *parent; 2093 /* CONTAINED points to the first contained namespace. Sibling 2094 namespaces are chained via SIBLING. */ 2095 struct gfc_namespace *contained, *sibling; 2096 2097 gfc_common_head blank_common; 2098 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; 2099 2100 gfc_st_label *st_labels; 2101 /* This list holds information about all the data initializers in 2102 this namespace. */ 2103 struct gfc_data *data, *old_data; 2104 2105 /* !$ACC DECLARE. */ 2106 gfc_oacc_declare *oacc_declare; 2107 2108 /* !$ACC ROUTINE clauses. */ 2109 gfc_omp_clauses *oacc_routine_clauses; 2110 2111 /* !$ACC TASK AFFINITY iterator symbols. */ 2112 gfc_symbol *omp_affinity_iterators; 2113 2114 /* !$ACC ROUTINE names. */ 2115 gfc_oacc_routine_name *oacc_routine_names; 2116 2117 gfc_charlen *cl_list; 2118 2119 gfc_symbol *derived_types; 2120 2121 int save_all, seen_save, seen_implicit_none; 2122 2123 /* Normally we don't need to refcount namespaces. However when we read 2124 a module containing a function with multiple entry points, this 2125 will appear as several functions with the same formal namespace. */ 2126 int refs; 2127 2128 /* A list of all alternate entry points to this procedure (or NULL). */ 2129 gfc_entry_list *entries; 2130 2131 /* A list of USE statements in this namespace. */ 2132 gfc_use_list *use_stmts; 2133 2134 /* Linked list of !$omp declare simd constructs. */ 2135 struct gfc_omp_declare_simd *omp_declare_simd; 2136 2137 /* Linked list of !$omp declare variant constructs. */ 2138 struct gfc_omp_declare_variant *omp_declare_variant; 2139 2140 /* A hash set for the gfc expressions that have already 2141 been finalized in this namespace. */ 2142 2143 gfc_was_finalized *was_finalized; 2144 2145 /* Set to 1 if namespace is a BLOCK DATA program unit. */ 2146 unsigned is_block_data:1; 2147 2148 /* Set to 1 if namespace is an interface body with "IMPORT" used. */ 2149 unsigned has_import_set:1; 2150 2151 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */ 2152 unsigned has_implicit_none_export:1; 2153 2154 /* Set to 1 if resolved has been called for this namespace. 2155 Holds -1 during resolution. */ 2156 signed resolved:2; 2157 2158 /* Set when resolve_types has been called for this namespace. */ 2159 unsigned types_resolved:1; 2160 2161 /* Set to 1 if code has been generated for this namespace. */ 2162 unsigned translated:1; 2163 2164 /* Set to 1 if symbols in this namespace should be 'construct entities', 2165 i.e. for BLOCK local variables. */ 2166 unsigned construct_entities:1; 2167 2168 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */ 2169 unsigned omp_udr_ns:1; 2170 2171 /* Set to 1 for !$ACC ROUTINE namespaces. */ 2172 unsigned oacc_routine:1; 2173 2174 /* Set to 1 if there are any calls to procedures with implicit interface. */ 2175 unsigned implicit_interface_calls:1; 2176 2177 /* OpenMP requires. */ 2178 unsigned omp_requires:6; 2179 unsigned omp_target_seen:1; 2180} 2181gfc_namespace; 2182 2183extern gfc_namespace *gfc_current_ns; 2184extern gfc_namespace *gfc_global_ns_list; 2185 2186/* Global symbols are symbols of global scope. Currently we only use 2187 this to detect collisions already when parsing. 2188 TODO: Extend to verify procedure calls. */ 2189 2190enum gfc_symbol_type 2191{ 2192 GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, 2193 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA 2194}; 2195 2196typedef struct gfc_gsymbol 2197{ 2198 BBT_HEADER(gfc_gsymbol); 2199 2200 const char *name; 2201 const char *sym_name; 2202 const char *mod_name; 2203 const char *binding_label; 2204 enum gfc_symbol_type type; 2205 2206 int defined, used; 2207 bool bind_c; 2208 locus where; 2209 gfc_namespace *ns; 2210} 2211gfc_gsymbol; 2212 2213extern gfc_gsymbol *gfc_gsym_root; 2214 2215/* Information on interfaces being built. */ 2216typedef struct 2217{ 2218 interface_type type; 2219 gfc_symbol *sym; 2220 gfc_namespace *ns; 2221 gfc_user_op *uop; 2222 gfc_intrinsic_op op; 2223} 2224gfc_interface_info; 2225 2226extern gfc_interface_info current_interface; 2227 2228 2229/* Array reference. */ 2230 2231enum gfc_array_ref_dimen_type 2232{ 2233 DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN 2234}; 2235 2236typedef struct gfc_array_ref 2237{ 2238 ar_type type; 2239 int dimen; /* # of components in the reference */ 2240 int codimen; 2241 bool in_allocate; /* For coarray checks. */ 2242 gfc_expr *team; 2243 gfc_expr *stat; 2244 locus where; 2245 gfc_array_spec *as; 2246 2247 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ 2248 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], 2249 *stride[GFC_MAX_DIMENSIONS]; 2250 2251 enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS]; 2252} 2253gfc_array_ref; 2254 2255#define gfc_get_array_ref() XCNEW (gfc_array_ref) 2256 2257 2258/* Component reference nodes. A variable is stored as an expression 2259 node that points to the base symbol. After that, a singly linked 2260 list of component reference nodes gives the variable's complete 2261 resolution. The array_ref component may be present and comes 2262 before the component component. */ 2263 2264enum ref_type 2265 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING, REF_INQUIRY }; 2266 2267enum inquiry_type 2268 { INQUIRY_RE, INQUIRY_IM, INQUIRY_KIND, INQUIRY_LEN }; 2269 2270typedef struct gfc_ref 2271{ 2272 ref_type type; 2273 2274 union 2275 { 2276 struct gfc_array_ref ar; 2277 2278 struct 2279 { 2280 gfc_component *component; 2281 gfc_symbol *sym; 2282 } 2283 c; 2284 2285 struct 2286 { 2287 struct gfc_expr *start, *end; /* Substring */ 2288 gfc_charlen *length; 2289 } 2290 ss; 2291 2292 inquiry_type i; 2293 2294 } 2295 u; 2296 2297 struct gfc_ref *next; 2298} 2299gfc_ref; 2300 2301#define gfc_get_ref() XCNEW (gfc_ref) 2302 2303 2304/* Structures representing intrinsic symbols and their arguments lists. */ 2305typedef struct gfc_intrinsic_arg 2306{ 2307 char name[GFC_MAX_SYMBOL_LEN + 1]; 2308 2309 gfc_typespec ts; 2310 unsigned optional:1, value:1; 2311 ENUM_BITFIELD (sym_intent) intent:2; 2312 2313 struct gfc_intrinsic_arg *next; 2314} 2315gfc_intrinsic_arg; 2316 2317 2318typedef enum { 2319 GFC_UNDEFINED_DUMMY_ARG = 0, 2320 GFC_INTRINSIC_DUMMY_ARG, 2321 GFC_NON_INTRINSIC_DUMMY_ARG 2322} 2323gfc_dummy_arg_intrinsicness; 2324 2325/* dummy arg of either an intrinsic or a user-defined procedure. */ 2326struct gfc_dummy_arg 2327{ 2328 gfc_dummy_arg_intrinsicness intrinsicness; 2329 2330 union { 2331 gfc_intrinsic_arg *intrinsic; 2332 gfc_formal_arglist *non_intrinsic; 2333 } u; 2334}; 2335 2336#define gfc_get_dummy_arg() XCNEW (gfc_dummy_arg) 2337 2338 2339const char * gfc_dummy_arg_get_name (gfc_dummy_arg &); 2340const gfc_typespec & gfc_dummy_arg_get_typespec (gfc_dummy_arg &); 2341bool gfc_dummy_arg_is_optional (gfc_dummy_arg &); 2342 2343 2344/* Specifies the various kinds of check functions used to verify the 2345 argument lists of intrinsic functions. fX with X an integer refer 2346 to check functions of intrinsics with X arguments. f1m is used for 2347 the MAX and MIN intrinsics which can have an arbitrary number of 2348 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as 2349 these have special semantics. */ 2350 2351typedef union 2352{ 2353 bool (*f0)(void); 2354 bool (*f1)(struct gfc_expr *); 2355 bool (*f1m)(gfc_actual_arglist *); 2356 bool (*f2)(struct gfc_expr *, struct gfc_expr *); 2357 bool (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 2358 bool (*f5ml)(gfc_actual_arglist *); 2359 bool (*f6fl)(gfc_actual_arglist *); 2360 bool (*f3red)(gfc_actual_arglist *); 2361 bool (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2362 struct gfc_expr *); 2363 bool (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2364 struct gfc_expr *, struct gfc_expr *); 2365} 2366gfc_check_f; 2367 2368/* Like gfc_check_f, these specify the type of the simplification 2369 function associated with an intrinsic. The fX are just like in 2370 gfc_check_f. cc is used for type conversion functions. */ 2371 2372typedef union 2373{ 2374 struct gfc_expr *(*f0)(void); 2375 struct gfc_expr *(*f1)(struct gfc_expr *); 2376 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); 2377 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, 2378 struct gfc_expr *); 2379 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, 2380 struct gfc_expr *, struct gfc_expr *); 2381 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, 2382 struct gfc_expr *, struct gfc_expr *, 2383 struct gfc_expr *); 2384 struct gfc_expr *(*f6)(struct gfc_expr *, struct gfc_expr *, 2385 struct gfc_expr *, struct gfc_expr *, 2386 struct gfc_expr *, struct gfc_expr *); 2387 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); 2388} 2389gfc_simplify_f; 2390 2391/* Again like gfc_check_f, these specify the type of the resolution 2392 function associated with an intrinsic. The fX are just like in 2393 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ 2394 2395typedef union 2396{ 2397 void (*f0)(struct gfc_expr *); 2398 void (*f1)(struct gfc_expr *, struct gfc_expr *); 2399 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); 2400 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 2401 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2402 struct gfc_expr *); 2403 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2404 struct gfc_expr *, struct gfc_expr *); 2405 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2406 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 2407 void (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2408 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2409 struct gfc_expr *); 2410 void (*s1)(struct gfc_code *); 2411} 2412gfc_resolve_f; 2413 2414 2415typedef struct gfc_intrinsic_sym 2416{ 2417 const char *name, *lib_name; 2418 gfc_intrinsic_arg *formal; 2419 gfc_typespec ts; 2420 unsigned elemental:1, inquiry:1, transformational:1, pure:1, 2421 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1, 2422 from_module:1, vararg:1; 2423 2424 int standard; 2425 2426 gfc_simplify_f simplify; 2427 gfc_check_f check; 2428 gfc_resolve_f resolve; 2429 struct gfc_intrinsic_sym *specific_head, *next; 2430 gfc_isym_id id; 2431 2432} 2433gfc_intrinsic_sym; 2434 2435 2436/* Expression nodes. The expression node types deserve explanations, 2437 since the last couple can be easily misconstrued: 2438 2439 EXPR_OP Operator node pointing to one or two other nodes 2440 EXPR_FUNCTION Function call, symbol points to function's name 2441 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex 2442 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list 2443 which expresses structure, array and substring refs. 2444 EXPR_NULL The NULL pointer value (which also has a basic type). 2445 EXPR_SUBSTRING A substring of a constant string 2446 EXPR_STRUCTURE A structure constructor 2447 EXPR_ARRAY An array constructor. 2448 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer 2449 component or type-bound procedure. */ 2450 2451#include <mpfr.h> 2452#include <mpc.h> 2453#define GFC_RND_MODE MPFR_RNDN 2454#define GFC_MPC_RND_MODE MPC_RNDNN 2455 2456typedef splay_tree gfc_constructor_base; 2457 2458 2459/* This should be an unsigned variable of type size_t. But to handle 2460 compiling to a 64-bit target from a 32-bit host, we need to use a 2461 HOST_WIDE_INT. Also, occasionally the string length field is used 2462 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars. 2463 So it needs to be signed. */ 2464typedef HOST_WIDE_INT gfc_charlen_t; 2465 2466typedef struct gfc_expr 2467{ 2468 expr_t expr_type; 2469 2470 gfc_typespec ts; /* These two refer to the overall expression */ 2471 2472 int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */ 2473 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ 2474 2475 /* Nonnull for functions and structure constructors, may also used to hold the 2476 base-object for component calls. */ 2477 gfc_symtree *symtree; 2478 2479 gfc_ref *ref; 2480 2481 locus where; 2482 2483 /* Used to store the base expression in component calls, when the expression 2484 is not a variable. */ 2485 struct gfc_expr *base_expr; 2486 2487 /* is_snan denotes a signalling not-a-number. */ 2488 unsigned int is_snan : 1; 2489 2490 /* Sometimes, when an error has been emitted, it is necessary to prevent 2491 it from recurring. */ 2492 unsigned int error : 1; 2493 2494 /* Mark an expression where a user operator has been substituted by 2495 a function call in interface.cc(gfc_extend_expr). */ 2496 unsigned int user_operator : 1; 2497 2498 /* Mark an expression as being a MOLD argument of ALLOCATE. */ 2499 unsigned int mold : 1; 2500 2501 /* Will require finalization after use. */ 2502 unsigned int must_finalize : 1; 2503 2504 /* Set this if no range check should be performed on this expression. */ 2505 2506 unsigned int no_bounds_check : 1; 2507 2508 /* Set this if a matmul expression has already been evaluated for conversion 2509 to a BLAS call. */ 2510 2511 unsigned int external_blas : 1; 2512 2513 /* Set this if resolution has already happened. It could be harmful 2514 if done again. */ 2515 2516 unsigned int do_not_resolve_again : 1; 2517 2518 /* Set this if no warning should be given somewhere in a lower level. */ 2519 2520 unsigned int do_not_warn : 1; 2521 2522 /* Set this if the expression came from expanding an array constructor. */ 2523 unsigned int from_constructor : 1; 2524 2525 /* If an expression comes from a Hollerith constant or compile-time 2526 evaluation of a transfer statement, it may have a prescribed target- 2527 memory representation, and these cannot always be backformed from 2528 the value. */ 2529 struct 2530 { 2531 gfc_charlen_t length; 2532 char *string; 2533 } 2534 representation; 2535 2536 struct 2537 { 2538 int len; /* Length of BOZ string without terminating NULL. */ 2539 int rdx; /* Radix of BOZ. */ 2540 char *str; /* BOZ string with NULL terminating character. */ 2541 } 2542 boz; 2543 2544 union 2545 { 2546 int logical; 2547 2548 io_kind iokind; 2549 2550 mpz_t integer; 2551 2552 mpfr_t real; 2553 2554 mpc_t complex; 2555 2556 struct 2557 { 2558 gfc_intrinsic_op op; 2559 gfc_user_op *uop; 2560 struct gfc_expr *op1, *op2; 2561 } 2562 op; 2563 2564 struct 2565 { 2566 gfc_actual_arglist *actual; 2567 const char *name; /* Points to the ultimate name of the function */ 2568 gfc_intrinsic_sym *isym; 2569 gfc_symbol *esym; 2570 } 2571 function; 2572 2573 struct 2574 { 2575 gfc_actual_arglist* actual; 2576 const char* name; 2577 /* Base-object, whose component was called. NULL means that it should 2578 be taken from symtree/ref. */ 2579 struct gfc_expr* base_object; 2580 gfc_typebound_proc* tbp; /* Should overlap with esym. */ 2581 2582 /* For type-bound operators, we want to call PASS procedures but already 2583 have the full arglist; mark this, so that it is not extended by the 2584 PASS argument. */ 2585 unsigned ignore_pass:1; 2586 2587 /* Do assign-calls rather than calls, that is appropriate dependency 2588 checking. */ 2589 unsigned assign:1; 2590 } 2591 compcall; 2592 2593 struct 2594 { 2595 gfc_charlen_t length; 2596 gfc_char_t *string; 2597 } 2598 character; 2599 2600 gfc_constructor_base constructor; 2601 } 2602 value; 2603 2604 /* Used to store PDT expression lists associated with expressions. */ 2605 gfc_actual_arglist *param_list; 2606 2607} 2608gfc_expr; 2609 2610 2611#define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank))) 2612 2613/* Structures for information associated with different kinds of 2614 numbers. The first set of integer parameters define all there is 2615 to know about a particular kind. The rest of the elements are 2616 computed from the first elements. */ 2617 2618typedef struct 2619{ 2620 /* Values really representable by the target. */ 2621 mpz_t huge, pedantic_min_int, min_int; 2622 2623 int kind, radix, digits, bit_size, range; 2624 2625 /* True if the C type of the given name maps to this precision. 2626 Note that more than one bit can be set. */ 2627 unsigned int c_char : 1; 2628 unsigned int c_short : 1; 2629 unsigned int c_int : 1; 2630 unsigned int c_long : 1; 2631 unsigned int c_long_long : 1; 2632} 2633gfc_integer_info; 2634 2635extern gfc_integer_info gfc_integer_kinds[]; 2636 2637 2638typedef struct 2639{ 2640 int kind, bit_size; 2641 2642 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ 2643 unsigned int c_bool : 1; 2644} 2645gfc_logical_info; 2646 2647extern gfc_logical_info gfc_logical_kinds[]; 2648 2649 2650typedef struct 2651{ 2652 mpfr_t epsilon, huge, tiny, subnormal; 2653 int kind, abi_kind, radix, digits, min_exponent, max_exponent; 2654 int range, precision; 2655 2656 /* The precision of the type as reported by GET_MODE_PRECISION. */ 2657 int mode_precision; 2658 2659 /* True if the C type of the given name maps to this precision. 2660 Note that more than one bit can be set. */ 2661 unsigned int c_float : 1; 2662 unsigned int c_double : 1; 2663 unsigned int c_long_double : 1; 2664 unsigned int c_float128 : 1; 2665} 2666gfc_real_info; 2667 2668extern gfc_real_info gfc_real_kinds[]; 2669 2670typedef struct 2671{ 2672 int kind, bit_size; 2673 const char *name; 2674} 2675gfc_character_info; 2676 2677extern gfc_character_info gfc_character_kinds[]; 2678 2679 2680/* Equivalence structures. Equivalent lvalues are linked along the 2681 *eq pointer, equivalence sets are strung along the *next node. */ 2682typedef struct gfc_equiv 2683{ 2684 struct gfc_equiv *next, *eq; 2685 gfc_expr *expr; 2686 const char *module; 2687 int used; 2688} 2689gfc_equiv; 2690 2691#define gfc_get_equiv() XCNEW (gfc_equiv) 2692 2693/* Holds a single equivalence member after processing. */ 2694typedef struct gfc_equiv_info 2695{ 2696 gfc_symbol *sym; 2697 HOST_WIDE_INT offset; 2698 HOST_WIDE_INT length; 2699 struct gfc_equiv_info *next; 2700} gfc_equiv_info; 2701 2702/* Holds equivalence groups, after they have been processed. */ 2703typedef struct gfc_equiv_list 2704{ 2705 gfc_equiv_info *equiv; 2706 struct gfc_equiv_list *next; 2707} gfc_equiv_list; 2708 2709/* gfc_case stores the selector list of a case statement. The *low 2710 and *high pointers can point to the same expression in the case of 2711 a single value. If *high is NULL, the selection is from *low 2712 upwards, if *low is NULL the selection is *high downwards. 2713 2714 This structure has separate fields to allow single and double linked 2715 lists of CASEs at the same time. The singe linked list along the NEXT 2716 field is a list of cases for a single CASE label. The double linked 2717 list along the LEFT/RIGHT fields is used to detect overlap and to 2718 build a table of the cases for SELECT constructs with a CHARACTER 2719 case expression. */ 2720 2721typedef struct gfc_case 2722{ 2723 /* Where we saw this case. */ 2724 locus where; 2725 int n; 2726 2727 /* Case range values. If (low == high), it's a single value. If one of 2728 the labels is NULL, it's an unbounded case. If both are NULL, this 2729 represents the default case. */ 2730 gfc_expr *low, *high; 2731 2732 /* Only used for SELECT TYPE. */ 2733 gfc_typespec ts; 2734 2735 /* Next case label in the list of cases for a single CASE label. */ 2736 struct gfc_case *next; 2737 2738 /* Used for detecting overlap, and for code generation. */ 2739 struct gfc_case *left, *right; 2740 2741 /* True if this case label can never be matched. */ 2742 int unreachable; 2743} 2744gfc_case; 2745 2746#define gfc_get_case() XCNEW (gfc_case) 2747 2748 2749typedef struct 2750{ 2751 gfc_expr *var, *start, *end, *step; 2752 unsigned short unroll; 2753 bool ivdep; 2754 bool vector; 2755 bool novector; 2756} 2757gfc_iterator; 2758 2759#define gfc_get_iterator() XCNEW (gfc_iterator) 2760 2761 2762/* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ 2763 2764typedef struct gfc_alloc 2765{ 2766 gfc_expr *expr; 2767 struct gfc_alloc *next; 2768} 2769gfc_alloc; 2770 2771#define gfc_get_alloc() XCNEW (gfc_alloc) 2772 2773 2774typedef struct 2775{ 2776 gfc_expr *unit, *file, *status, *access, *form, *recl, 2777 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, 2778 *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit, 2779 *share, *cc; 2780 char readonly; 2781 gfc_st_label *err; 2782} 2783gfc_open; 2784 2785 2786typedef struct 2787{ 2788 gfc_expr *unit, *status, *iostat, *iomsg; 2789 gfc_st_label *err; 2790} 2791gfc_close; 2792 2793 2794typedef struct 2795{ 2796 gfc_expr *unit, *iostat, *iomsg; 2797 gfc_st_label *err; 2798} 2799gfc_filepos; 2800 2801 2802typedef struct 2803{ 2804 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, 2805 *name, *access, *sequential, *direct, *form, *formatted, 2806 *unformatted, *recl, *nextrec, *blank, *position, *action, *read, 2807 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, 2808 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id, 2809 *iqstream, *share, *cc; 2810 2811 gfc_st_label *err; 2812 2813} 2814gfc_inquire; 2815 2816 2817typedef struct 2818{ 2819 gfc_expr *unit, *iostat, *iomsg, *id; 2820 gfc_st_label *err, *end, *eor; 2821} 2822gfc_wait; 2823 2824 2825typedef struct 2826{ 2827 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, 2828 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, 2829 *sign, *extra_comma, *dt_io_kind, *udtio; 2830 char dec_ext; 2831 2832 gfc_symbol *namelist; 2833 /* A format_label of `format_asterisk' indicates the "*" format */ 2834 gfc_st_label *format_label; 2835 gfc_st_label *err, *end, *eor; 2836 2837 locus eor_where, end_where, err_where; 2838} 2839gfc_dt; 2840 2841 2842typedef struct gfc_forall_iterator 2843{ 2844 gfc_expr *var, *start, *end, *stride; 2845 struct gfc_forall_iterator *next; 2846} 2847gfc_forall_iterator; 2848 2849 2850/* Linked list to store associations in an ASSOCIATE statement. */ 2851 2852typedef struct gfc_association_list 2853{ 2854 struct gfc_association_list *next; 2855 2856 /* Whether this is association to a variable that can be changed; otherwise, 2857 it's association to an expression and the name may not be used as 2858 lvalue. */ 2859 unsigned variable:1; 2860 2861 /* True if this struct is currently only linked to from a gfc_symbol rather 2862 than as part of a real list in gfc_code->ext.block.assoc. This may 2863 happen for SELECT TYPE temporaries and must be considered 2864 for memory handling. */ 2865 unsigned dangling:1; 2866 2867 /* True when the rank of the target expression is guessed during parsing. */ 2868 unsigned rankguessed:1; 2869 2870 char name[GFC_MAX_SYMBOL_LEN + 1]; 2871 gfc_symtree *st; /* Symtree corresponding to name. */ 2872 locus where; 2873 2874 gfc_expr *target; 2875} 2876gfc_association_list; 2877#define gfc_get_association_list() XCNEW (gfc_association_list) 2878 2879 2880/* Executable statements that fill gfc_code structures. */ 2881enum gfc_exec_op 2882{ 2883 EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN, 2884 EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP, 2885 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, 2886 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, 2887 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE, 2888 EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, 2889 EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE, 2890 EXEC_SELECT_TYPE, EXEC_SELECT_RANK, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, 2891 EXEC_SYNC_IMAGES, EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, 2892 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, 2893 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, 2894 EXEC_FORM_TEAM, EXEC_CHANGE_TEAM, EXEC_END_TEAM, EXEC_SYNC_TEAM, 2895 EXEC_LOCK, EXEC_UNLOCK, EXEC_EVENT_POST, EXEC_EVENT_WAIT, EXEC_FAIL_IMAGE, 2896 EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP, EXEC_OACC_SERIAL_LOOP, 2897 EXEC_OACC_ROUTINE, EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_SERIAL, 2898 EXEC_OACC_DATA, EXEC_OACC_HOST_DATA, EXEC_OACC_LOOP, EXEC_OACC_UPDATE, 2899 EXEC_OACC_WAIT, EXEC_OACC_CACHE, EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA, 2900 EXEC_OACC_ATOMIC, EXEC_OACC_DECLARE, 2901 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, 2902 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, 2903 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, 2904 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, 2905 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, 2906 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, 2907 EXEC_OMP_TASKYIELD, EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT, 2908 EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD, 2909 EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA, 2910 EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD, 2911 EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, 2912 EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE, 2913 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE, 2914 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD, 2915 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO, 2916 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO, 2917 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 2918 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 2919 EXEC_OMP_TARGET_UPDATE, EXEC_OMP_END_CRITICAL, 2920 EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA, 2921 EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO, 2922 EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD, 2923 EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD, EXEC_OMP_SCAN, EXEC_OMP_DEPOBJ, 2924 EXEC_OMP_PARALLEL_MASTER, EXEC_OMP_PARALLEL_MASTER_TASKLOOP, 2925 EXEC_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, EXEC_OMP_MASTER_TASKLOOP, 2926 EXEC_OMP_MASTER_TASKLOOP_SIMD, EXEC_OMP_LOOP, EXEC_OMP_PARALLEL_LOOP, 2927 EXEC_OMP_TEAMS_LOOP, EXEC_OMP_TARGET_PARALLEL_LOOP, 2928 EXEC_OMP_TARGET_TEAMS_LOOP, EXEC_OMP_MASKED, EXEC_OMP_PARALLEL_MASKED, 2929 EXEC_OMP_PARALLEL_MASKED_TASKLOOP, EXEC_OMP_PARALLEL_MASKED_TASKLOOP_SIMD, 2930 EXEC_OMP_MASKED_TASKLOOP, EXEC_OMP_MASKED_TASKLOOP_SIMD, EXEC_OMP_SCOPE, 2931 EXEC_OMP_ERROR 2932}; 2933 2934typedef struct gfc_code 2935{ 2936 gfc_exec_op op; 2937 2938 struct gfc_code *block, *next; 2939 locus loc; 2940 2941 gfc_st_label *here, *label1, *label2, *label3; 2942 gfc_symtree *symtree; 2943 gfc_expr *expr1, *expr2, *expr3, *expr4; 2944 /* A name isn't sufficient to identify a subroutine, we need the actual 2945 symbol for the interface definition. 2946 const char *sub_name; */ 2947 gfc_symbol *resolved_sym; 2948 gfc_intrinsic_sym *resolved_isym; 2949 2950 union 2951 { 2952 gfc_actual_arglist *actual; 2953 gfc_iterator *iterator; 2954 2955 struct 2956 { 2957 gfc_typespec ts; 2958 gfc_alloc *list; 2959 /* Take the array specification from expr3 to allocate arrays 2960 without an explicit array specification. */ 2961 unsigned arr_spec_from_expr3:1; 2962 } 2963 alloc; 2964 2965 struct 2966 { 2967 gfc_namespace *ns; 2968 gfc_association_list *assoc; 2969 gfc_case *case_list; 2970 } 2971 block; 2972 2973 gfc_open *open; 2974 gfc_close *close; 2975 gfc_filepos *filepos; 2976 gfc_inquire *inquire; 2977 gfc_wait *wait; 2978 gfc_dt *dt; 2979 gfc_forall_iterator *forall_iterator; 2980 struct gfc_code *which_construct; 2981 int stop_code; 2982 gfc_entry_list *entry; 2983 gfc_oacc_declare *oacc_declare; 2984 gfc_omp_clauses *omp_clauses; 2985 const char *omp_name; 2986 gfc_omp_namelist *omp_namelist; 2987 bool omp_bool; 2988 } 2989 ext; /* Points to additional structures required by statement */ 2990 2991 /* Cycle and break labels in constructs. */ 2992 tree cycle_label; 2993 tree exit_label; 2994} 2995gfc_code; 2996 2997 2998/* Storage for DATA statements. */ 2999typedef struct gfc_data_variable 3000{ 3001 gfc_expr *expr; 3002 gfc_iterator iter; 3003 struct gfc_data_variable *list, *next; 3004} 3005gfc_data_variable; 3006 3007 3008typedef struct gfc_data_value 3009{ 3010 mpz_t repeat; 3011 gfc_expr *expr; 3012 struct gfc_data_value *next; 3013} 3014gfc_data_value; 3015 3016 3017typedef struct gfc_data 3018{ 3019 gfc_data_variable *var; 3020 gfc_data_value *value; 3021 locus where; 3022 3023 struct gfc_data *next; 3024} 3025gfc_data; 3026 3027 3028/* Structure for holding compile options */ 3029typedef struct 3030{ 3031 char *module_dir; 3032 gfc_source_form source_form; 3033 int max_continue_fixed; 3034 int max_continue_free; 3035 int max_identifier_length; 3036 3037 int max_errors; 3038 3039 int flag_preprocessed; 3040 int flag_d_lines; 3041 int flag_init_integer; 3042 long flag_init_integer_value; 3043 int flag_init_logical; 3044 int flag_init_character; 3045 char flag_init_character_value; 3046 3047 int fpe; 3048 int fpe_summary; 3049 int rtcheck; 3050 3051 int warn_std; 3052 int allow_std; 3053} 3054gfc_option_t; 3055 3056extern gfc_option_t gfc_option; 3057 3058/* Constructor nodes for array and structure constructors. */ 3059typedef struct gfc_constructor 3060{ 3061 gfc_constructor_base base; 3062 mpz_t offset; /* Offset within a constructor, used as 3063 key within base. */ 3064 3065 gfc_expr *expr; 3066 gfc_iterator *iterator; 3067 locus where; 3068 3069 union 3070 { 3071 gfc_component *component; /* Record the component being initialized. */ 3072 } 3073 n; 3074 mpz_t repeat; /* Record the repeat number of initial values in data 3075 statement like "data a/5*10/". */ 3076} 3077gfc_constructor; 3078 3079 3080typedef struct iterator_stack 3081{ 3082 gfc_symtree *variable; 3083 mpz_t value; 3084 struct iterator_stack *prev; 3085} 3086iterator_stack; 3087extern iterator_stack *iter_stack; 3088 3089 3090/* Used for (possibly nested) SELECT TYPE statements. */ 3091typedef struct gfc_select_type_stack 3092{ 3093 gfc_symbol *selector; /* Current selector variable. */ 3094 gfc_symtree *tmp; /* Current temporary variable. */ 3095 struct gfc_select_type_stack *prev; /* Previous element on stack. */ 3096} 3097gfc_select_type_stack; 3098extern gfc_select_type_stack *select_type_stack; 3099#define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack) 3100 3101 3102/* Node in the linked list used for storing finalizer procedures. */ 3103 3104typedef struct gfc_finalizer 3105{ 3106 struct gfc_finalizer* next; 3107 locus where; /* Where the FINAL declaration occurred. */ 3108 3109 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding 3110 symtree and later need only that. This way, we can access and call the 3111 finalizers from every context as they should be "always accessible". I 3112 don't make this a union because we need the information whether proc_sym is 3113 still referenced or not for dereferencing it on deleting a gfc_finalizer 3114 structure. */ 3115 gfc_symbol* proc_sym; 3116 gfc_symtree* proc_tree; 3117} 3118gfc_finalizer; 3119#define gfc_get_finalizer() XCNEW (gfc_finalizer) 3120 3121 3122/************************ Function prototypes *************************/ 3123 3124/* decl.cc */ 3125bool gfc_in_match_data (void); 3126match gfc_match_char_spec (gfc_typespec *); 3127extern int directive_unroll; 3128extern bool directive_ivdep; 3129extern bool directive_vector; 3130extern bool directive_novector; 3131 3132/* SIMD clause enum. */ 3133enum gfc_simd_clause 3134{ 3135 SIMD_NONE = (1 << 0), 3136 SIMD_INBRANCH = (1 << 1), 3137 SIMD_NOTINBRANCH = (1 << 2) 3138}; 3139 3140/* Tuple for parsing of vectorized built-ins. */ 3141struct gfc_vect_builtin_tuple 3142{ 3143 gfc_vect_builtin_tuple (const char *n, gfc_simd_clause t) 3144 : name (n), simd_type (t) {} 3145 3146 const char *name; 3147 gfc_simd_clause simd_type; 3148}; 3149 3150/* Map of middle-end built-ins that should be vectorized. */ 3151extern hash_map<nofree_string_hash, int> *gfc_vectorized_builtins; 3152 3153/* Handling Parameterized Derived Types */ 3154bool gfc_insert_parameter_exprs (gfc_expr *, gfc_actual_arglist *); 3155match gfc_get_pdt_instance (gfc_actual_arglist *, gfc_symbol **, 3156 gfc_actual_arglist **); 3157 3158 3159/* Given a symbol, test whether it is a module procedure in a submodule */ 3160#define gfc_submodule_procedure(attr) \ 3161 (gfc_state_stack->previous && gfc_state_stack->previous->previous \ 3162 && gfc_state_stack->previous->previous->state == COMP_SUBMODULE \ 3163 && attr->module_procedure) 3164 3165/* scanner.cc */ 3166void gfc_scanner_done_1 (void); 3167void gfc_scanner_init_1 (void); 3168 3169void gfc_add_include_path (const char *, bool, bool, bool, bool); 3170void gfc_add_intrinsic_modules_path (const char *); 3171void gfc_release_include_path (void); 3172void gfc_check_include_dirs (bool); 3173FILE *gfc_open_included_file (const char *, bool, bool); 3174 3175int gfc_at_end (void); 3176int gfc_at_eof (void); 3177int gfc_at_bol (void); 3178int gfc_at_eol (void); 3179void gfc_advance_line (void); 3180int gfc_check_include (void); 3181int gfc_define_undef_line (void); 3182 3183int gfc_wide_is_printable (gfc_char_t); 3184int gfc_wide_is_digit (gfc_char_t); 3185int gfc_wide_fits_in_byte (gfc_char_t); 3186gfc_char_t gfc_wide_tolower (gfc_char_t); 3187gfc_char_t gfc_wide_toupper (gfc_char_t); 3188size_t gfc_wide_strlen (const gfc_char_t *); 3189int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); 3190gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); 3191char *gfc_widechar_to_char (const gfc_char_t *, int); 3192gfc_char_t *gfc_char_to_widechar (const char *); 3193 3194#define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) 3195 3196void gfc_skip_comments (void); 3197gfc_char_t gfc_next_char_literal (gfc_instring); 3198gfc_char_t gfc_next_char (void); 3199char gfc_next_ascii_char (void); 3200gfc_char_t gfc_peek_char (void); 3201char gfc_peek_ascii_char (void); 3202void gfc_error_recovery (void); 3203void gfc_gobble_whitespace (void); 3204void gfc_new_file (void); 3205const char * gfc_read_orig_filename (const char *, const char **); 3206 3207extern gfc_source_form gfc_current_form; 3208extern const char *gfc_source_file; 3209extern locus gfc_current_locus; 3210 3211void gfc_start_source_files (void); 3212void gfc_end_source_files (void); 3213 3214/* misc.cc */ 3215void gfc_clear_ts (gfc_typespec *); 3216FILE *gfc_open_file (const char *); 3217const char *gfc_basic_typename (bt); 3218const char *gfc_dummy_typename (gfc_typespec *); 3219const char *gfc_typename (gfc_typespec *, bool for_hash = false); 3220const char *gfc_typename (gfc_expr *); 3221const char *gfc_op2string (gfc_intrinsic_op); 3222const char *gfc_code2string (const mstring *, int); 3223int gfc_string2code (const mstring *, const char *); 3224const char *gfc_intent_string (sym_intent); 3225 3226void gfc_init_1 (void); 3227void gfc_init_2 (void); 3228void gfc_done_1 (void); 3229void gfc_done_2 (void); 3230 3231int get_c_kind (const char *, CInteropKind_t *); 3232 3233const char *gfc_closest_fuzzy_match (const char *, char **); 3234static inline void 3235vec_push (char **&optr, size_t &osz, const char *elt) 3236{ 3237 /* {auto,}vec.safe_push () replacement. Don't ask.. */ 3238 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff 3239 optr = XRESIZEVEC (char *, optr, osz + 2); 3240 optr[osz] = CONST_CAST (char *, elt); 3241 optr[++osz] = NULL; 3242} 3243 3244HOST_WIDE_INT gfc_mpz_get_hwi (mpz_t); 3245void gfc_mpz_set_hwi (mpz_t, const HOST_WIDE_INT); 3246 3247/* options.cc */ 3248unsigned int gfc_option_lang_mask (void); 3249void gfc_init_options_struct (struct gcc_options *); 3250void gfc_init_options (unsigned int, 3251 struct cl_decoded_option *); 3252bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT, int, location_t, 3253 const struct cl_option_handlers *); 3254bool gfc_post_options (const char **); 3255char *gfc_get_option_string (void); 3256 3257/* f95-lang.cc */ 3258void gfc_maybe_initialize_eh (void); 3259 3260/* iresolve.cc */ 3261const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; 3262bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); 3263 3264/* error.cc */ 3265void gfc_error_init_1 (void); 3266void gfc_diagnostics_init (void); 3267void gfc_diagnostics_finish (void); 3268void gfc_buffer_error (bool); 3269 3270const char *gfc_print_wide_char (gfc_char_t); 3271 3272bool gfc_warning (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3273bool gfc_warning_now (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3274bool gfc_warning_internal (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3275bool gfc_warning_now_at (location_t loc, int opt, const char *gmsgid, ...) 3276 ATTRIBUTE_GCC_GFC(3,4); 3277 3278void gfc_clear_warning (void); 3279void gfc_warning_check (void); 3280 3281void gfc_error_opt (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3282void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 3283void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 3284void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); 3285void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); 3286void gfc_clear_error (void); 3287bool gfc_error_check (void); 3288bool gfc_error_flag_test (void); 3289 3290notification gfc_notification_std (int); 3291bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3292 3293/* A general purpose syntax error. */ 3294#define gfc_syntax_error(ST) \ 3295 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); 3296 3297#include "pretty-print.h" /* For output_buffer. */ 3298struct gfc_error_buffer 3299{ 3300 bool flag; 3301 output_buffer buffer; 3302 gfc_error_buffer(void) : flag(false), buffer() {} 3303}; 3304 3305void gfc_push_error (gfc_error_buffer *); 3306void gfc_pop_error (gfc_error_buffer *); 3307void gfc_free_error (gfc_error_buffer *); 3308 3309void gfc_get_errors (int *, int *); 3310void gfc_errors_to_warnings (bool); 3311 3312/* arith.cc */ 3313void gfc_arith_init_1 (void); 3314void gfc_arith_done_1 (void); 3315arith gfc_check_integer_range (mpz_t p, int kind); 3316bool gfc_check_character_range (gfc_char_t, int); 3317 3318extern bool gfc_seen_div0; 3319 3320/* trans-types.cc */ 3321int gfc_validate_kind (bt, int, bool); 3322int gfc_get_int_kind_from_width_isofortranenv (int size); 3323int gfc_get_real_kind_from_width_isofortranenv (int size); 3324tree gfc_get_union_type (gfc_symbol *); 3325tree gfc_get_derived_type (gfc_symbol * derived, int codimen = 0); 3326extern int gfc_index_integer_kind; 3327extern int gfc_default_integer_kind; 3328extern int gfc_max_integer_kind; 3329extern int gfc_default_real_kind; 3330extern int gfc_default_double_kind; 3331extern int gfc_default_character_kind; 3332extern int gfc_default_logical_kind; 3333extern int gfc_default_complex_kind; 3334extern int gfc_c_int_kind; 3335extern int gfc_c_intptr_kind; 3336extern int gfc_atomic_int_kind; 3337extern int gfc_atomic_logical_kind; 3338extern int gfc_intio_kind; 3339extern int gfc_charlen_int_kind; 3340extern int gfc_size_kind; 3341extern int gfc_numeric_storage_size; 3342extern int gfc_character_storage_size; 3343 3344#define gfc_logical_4_kind 4 3345#define gfc_integer_4_kind 4 3346#define gfc_real_4_kind 4 3347 3348/* symbol.cc */ 3349void gfc_clear_new_implicit (void); 3350bool gfc_add_new_implicit_range (int, int); 3351bool gfc_merge_new_implicit (gfc_typespec *); 3352void gfc_set_implicit_none (bool, bool, locus *); 3353void gfc_check_function_type (gfc_namespace *); 3354bool gfc_is_intrinsic_typename (const char *); 3355bool gfc_check_conflict (symbol_attribute *, const char *, locus *); 3356 3357gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *); 3358bool gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); 3359 3360void gfc_set_sym_referenced (gfc_symbol *); 3361 3362bool gfc_add_attribute (symbol_attribute *, locus *); 3363bool gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *); 3364bool gfc_add_allocatable (symbol_attribute *, locus *); 3365bool gfc_add_codimension (symbol_attribute *, const char *, locus *); 3366bool gfc_add_contiguous (symbol_attribute *, const char *, locus *); 3367bool gfc_add_dimension (symbol_attribute *, const char *, locus *); 3368bool gfc_add_external (symbol_attribute *, locus *); 3369bool gfc_add_intrinsic (symbol_attribute *, locus *); 3370bool gfc_add_optional (symbol_attribute *, locus *); 3371bool gfc_add_kind (symbol_attribute *, locus *); 3372bool gfc_add_len (symbol_attribute *, locus *); 3373bool gfc_add_pointer (symbol_attribute *, locus *); 3374bool gfc_add_cray_pointer (symbol_attribute *, locus *); 3375bool gfc_add_cray_pointee (symbol_attribute *, locus *); 3376match gfc_mod_pointee_as (gfc_array_spec *); 3377bool gfc_add_protected (symbol_attribute *, const char *, locus *); 3378bool gfc_add_result (symbol_attribute *, const char *, locus *); 3379bool gfc_add_automatic (symbol_attribute *, const char *, locus *); 3380bool gfc_add_save (symbol_attribute *, save_state, const char *, locus *); 3381bool gfc_add_threadprivate (symbol_attribute *, const char *, locus *); 3382bool gfc_add_omp_declare_target (symbol_attribute *, const char *, locus *); 3383bool gfc_add_omp_declare_target_link (symbol_attribute *, const char *, 3384 locus *); 3385bool gfc_add_target (symbol_attribute *, locus *); 3386bool gfc_add_dummy (symbol_attribute *, const char *, locus *); 3387bool gfc_add_generic (symbol_attribute *, const char *, locus *); 3388bool gfc_add_in_common (symbol_attribute *, const char *, locus *); 3389bool gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); 3390bool gfc_add_data (symbol_attribute *, const char *, locus *); 3391bool gfc_add_in_namelist (symbol_attribute *, const char *, locus *); 3392bool gfc_add_sequence (symbol_attribute *, const char *, locus *); 3393bool gfc_add_elemental (symbol_attribute *, locus *); 3394bool gfc_add_pure (symbol_attribute *, locus *); 3395bool gfc_add_recursive (symbol_attribute *, locus *); 3396bool gfc_add_function (symbol_attribute *, const char *, locus *); 3397bool gfc_add_subroutine (symbol_attribute *, const char *, locus *); 3398bool gfc_add_volatile (symbol_attribute *, const char *, locus *); 3399bool gfc_add_asynchronous (symbol_attribute *, const char *, locus *); 3400bool gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); 3401bool gfc_add_abstract (symbol_attribute* attr, locus* where); 3402 3403bool gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); 3404bool gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); 3405bool gfc_add_extension (symbol_attribute *, locus *); 3406bool gfc_add_value (symbol_attribute *, const char *, locus *); 3407bool gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); 3408bool gfc_add_entry (symbol_attribute *, const char *, locus *); 3409bool gfc_add_procedure (symbol_attribute *, procedure_type, 3410 const char *, locus *); 3411bool gfc_add_intent (symbol_attribute *, sym_intent, locus *); 3412bool gfc_add_explicit_interface (gfc_symbol *, ifsrc, 3413 gfc_formal_arglist *, locus *); 3414bool gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); 3415 3416void gfc_clear_attr (symbol_attribute *); 3417bool gfc_missing_attr (symbol_attribute *, locus *); 3418bool gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); 3419int gfc_copy_dummy_sym (gfc_symbol **, gfc_symbol *, int); 3420bool gfc_add_component (gfc_symbol *, const char *, gfc_component **); 3421gfc_symbol *gfc_use_derived (gfc_symbol *); 3422gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool, 3423 gfc_ref **); 3424 3425gfc_st_label *gfc_get_st_label (int); 3426void gfc_free_st_label (gfc_st_label *); 3427void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); 3428bool gfc_reference_st_label (gfc_st_label *, gfc_sl_type); 3429 3430gfc_namespace *gfc_get_namespace (gfc_namespace *, int); 3431gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); 3432gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); 3433void gfc_delete_symtree (gfc_symtree **, const char *); 3434gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); 3435gfc_user_op *gfc_get_uop (const char *); 3436gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); 3437void gfc_free_symbol (gfc_symbol *&); 3438void gfc_release_symbol (gfc_symbol *&); 3439gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); 3440gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *); 3441int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); 3442int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); 3443int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); 3444bool gfc_verify_c_interop (gfc_typespec *); 3445bool gfc_verify_c_interop_param (gfc_symbol *); 3446bool verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); 3447bool verify_bind_c_derived_type (gfc_symbol *); 3448bool verify_com_block_vars_c_interop (gfc_common_head *); 3449gfc_symtree *generate_isocbinding_symbol (const char *, iso_c_binding_symbol, 3450 const char *, gfc_symtree *, bool); 3451void gfc_save_symbol_data (gfc_symbol *); 3452int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool); 3453int gfc_get_ha_symbol (const char *, gfc_symbol **); 3454int gfc_get_ha_sym_tree (const char *, gfc_symtree **); 3455 3456void gfc_drop_last_undo_checkpoint (void); 3457void gfc_restore_last_undo_checkpoint (void); 3458void gfc_undo_symbols (void); 3459void gfc_commit_symbols (void); 3460void gfc_commit_symbol (gfc_symbol *); 3461gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *); 3462void gfc_free_namespace (gfc_namespace *&); 3463 3464void gfc_symbol_init_2 (void); 3465void gfc_symbol_done_2 (void); 3466 3467void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); 3468void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); 3469void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); 3470void gfc_save_all (gfc_namespace *); 3471 3472void gfc_enforce_clean_symbol_state (void); 3473 3474gfc_gsymbol *gfc_get_gsymbol (const char *, bool bind_c); 3475gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); 3476gfc_gsymbol *gfc_find_case_gsymbol (gfc_gsymbol *, const char *); 3477void gfc_traverse_gsymbol (gfc_gsymbol *, void (*)(gfc_gsymbol *, void *), void *); 3478 3479gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*); 3480gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); 3481bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *); 3482bool gfc_type_compatible (gfc_typespec *, gfc_typespec *); 3483 3484void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *, 3485 gfc_actual_arglist *, bool copy_type = false); 3486 3487void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.cc, too */ 3488 3489bool gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); 3490gfc_namespace* gfc_find_proc_namespace (gfc_namespace*); 3491 3492bool gfc_is_associate_pointer (gfc_symbol*); 3493gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *); 3494gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *); 3495 3496/* intrinsic.cc -- true if working in an init-expr, false otherwise. */ 3497extern bool gfc_init_expr_flag; 3498 3499/* Given a symbol that we have decided is intrinsic, mark it as such 3500 by placing it into a special module that is otherwise impossible to 3501 read or write. */ 3502 3503#define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") 3504 3505void gfc_intrinsic_init_1 (void); 3506void gfc_intrinsic_done_1 (void); 3507 3508char gfc_type_letter (bt, bool logical_equals_int = false); 3509int gfc_type_abi_kind (bt, int); 3510static inline int 3511gfc_type_abi_kind (gfc_typespec *ts) 3512{ 3513 return gfc_type_abi_kind (ts->type, ts->kind); 3514} 3515gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); 3516gfc_symbol *gfc_get_intrinsic_function_symbol (gfc_expr *); 3517gfc_symbol *gfc_find_intrinsic_symbol (gfc_expr *); 3518bool gfc_convert_type (gfc_expr *, gfc_typespec *, int); 3519bool gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int, 3520 bool array = false); 3521bool gfc_convert_chartype (gfc_expr *, gfc_typespec *); 3522int gfc_generic_intrinsic (const char *); 3523int gfc_specific_intrinsic (const char *); 3524bool gfc_is_intrinsic (gfc_symbol*, int, locus); 3525int gfc_intrinsic_actual_ok (const char *, const bool); 3526gfc_intrinsic_sym *gfc_find_function (const char *); 3527gfc_intrinsic_sym *gfc_find_subroutine (const char *); 3528gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id); 3529gfc_intrinsic_sym *gfc_intrinsic_subroutine_by_id (gfc_isym_id); 3530gfc_isym_id gfc_isym_id_by_intmod (intmod_id, int); 3531gfc_isym_id gfc_isym_id_by_intmod_sym (gfc_symbol *); 3532 3533 3534match gfc_intrinsic_func_interface (gfc_expr *, int); 3535match gfc_intrinsic_sub_interface (gfc_code *, int); 3536 3537void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); 3538bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, 3539 bool, locus); 3540 3541/* match.cc -- FIXME */ 3542void gfc_free_iterator (gfc_iterator *, int); 3543void gfc_free_forall_iterator (gfc_forall_iterator *); 3544void gfc_free_alloc_list (gfc_alloc *); 3545void gfc_free_namelist (gfc_namelist *); 3546void gfc_free_omp_namelist (gfc_omp_namelist *, bool); 3547void gfc_free_equiv (gfc_equiv *); 3548void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *); 3549void gfc_free_data (gfc_data *); 3550void gfc_reject_data (gfc_namespace *); 3551void gfc_free_case_list (gfc_case *); 3552 3553/* matchexp.cc -- FIXME too? */ 3554gfc_expr *gfc_get_parentheses (gfc_expr *); 3555 3556/* openmp.cc */ 3557struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; }; 3558bool gfc_omp_requires_add_clause (gfc_omp_requires_kind, const char *, 3559 locus *, const char *); 3560void gfc_check_omp_requires (gfc_namespace *, int); 3561void gfc_free_omp_clauses (gfc_omp_clauses *); 3562void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare *); 3563void gfc_free_omp_declare_variant_list (gfc_omp_declare_variant *list); 3564void gfc_free_omp_declare_simd (gfc_omp_declare_simd *); 3565void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd *); 3566void gfc_free_omp_udr (gfc_omp_udr *); 3567gfc_omp_udr *gfc_omp_udr_find (gfc_symtree *, gfc_typespec *); 3568void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); 3569void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *, bool); 3570void gfc_resolve_omp_local_vars (gfc_namespace *); 3571void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); 3572void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); 3573void gfc_resolve_omp_declare_simd (gfc_namespace *); 3574void gfc_resolve_omp_udrs (gfc_symtree *); 3575void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *); 3576void gfc_omp_restore_state (struct gfc_omp_saved_state *); 3577void gfc_free_expr_list (gfc_expr_list *); 3578void gfc_resolve_oacc_directive (gfc_code *, gfc_namespace *); 3579void gfc_resolve_oacc_declare (gfc_namespace *); 3580void gfc_resolve_oacc_blocks (gfc_code *, gfc_namespace *); 3581void gfc_resolve_oacc_routines (gfc_namespace *); 3582 3583/* expr.cc */ 3584void gfc_free_actual_arglist (gfc_actual_arglist *); 3585gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); 3586 3587bool gfc_extract_int (gfc_expr *, int *, int = 0); 3588bool gfc_extract_hwi (gfc_expr *, HOST_WIDE_INT *, int = 0); 3589 3590bool is_CFI_desc (gfc_symbol *, gfc_expr *); 3591bool is_subref_array (gfc_expr *); 3592bool gfc_is_simply_contiguous (gfc_expr *, bool, bool); 3593bool gfc_is_not_contiguous (gfc_expr *); 3594bool gfc_check_init_expr (gfc_expr *); 3595 3596gfc_expr *gfc_build_conversion (gfc_expr *); 3597void gfc_free_ref_list (gfc_ref *); 3598void gfc_type_convert_binary (gfc_expr *, int); 3599bool gfc_is_constant_expr (gfc_expr *); 3600bool gfc_simplify_expr (gfc_expr *, int); 3601bool gfc_try_simplify_expr (gfc_expr *, int); 3602int gfc_has_vector_index (gfc_expr *); 3603 3604gfc_expr *gfc_get_expr (void); 3605gfc_expr *gfc_get_array_expr (bt type, int kind, locus *); 3606gfc_expr *gfc_get_null_expr (locus *); 3607gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *); 3608gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *); 3609gfc_expr *gfc_get_constant_expr (bt, int, locus *); 3610gfc_expr *gfc_get_character_expr (int, locus *, const char *, gfc_charlen_t len); 3611gfc_expr *gfc_get_int_expr (int, locus *, HOST_WIDE_INT); 3612gfc_expr *gfc_get_logical_expr (int, locus *, bool); 3613gfc_expr *gfc_get_iokind_expr (locus *, io_kind); 3614 3615void gfc_clear_shape (mpz_t *shape, int rank); 3616void gfc_free_shape (mpz_t **shape, int rank); 3617void gfc_free_expr (gfc_expr *); 3618void gfc_replace_expr (gfc_expr *, gfc_expr *); 3619mpz_t *gfc_copy_shape (mpz_t *, int); 3620mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); 3621gfc_expr *gfc_copy_expr (gfc_expr *); 3622gfc_ref* gfc_copy_ref (gfc_ref*); 3623 3624bool gfc_specification_expr (gfc_expr *); 3625 3626int gfc_numeric_ts (gfc_typespec *); 3627int gfc_kind_max (gfc_expr *, gfc_expr *); 3628 3629bool gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3; 3630bool gfc_check_assign (gfc_expr *, gfc_expr *, int, bool c = true); 3631bool gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue, 3632 bool suppres_type_test = false, 3633 bool is_init_expr = false); 3634bool gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *); 3635 3636gfc_expr *gfc_build_default_init_expr (gfc_typespec *, locus *); 3637void gfc_apply_init (gfc_typespec *, symbol_attribute *, gfc_expr *); 3638bool gfc_has_default_initializer (gfc_symbol *); 3639gfc_expr *gfc_default_initializer (gfc_typespec *); 3640gfc_expr *gfc_generate_initializer (gfc_typespec *, bool); 3641gfc_expr *gfc_get_variable_expr (gfc_symtree *); 3642void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *); 3643gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); 3644 3645gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr); 3646 3647bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, 3648 bool (*)(gfc_expr *, gfc_symbol *, int*), 3649 int); 3650void gfc_expr_set_symbols_referenced (gfc_expr *); 3651bool gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); 3652bool gfc_derived_parameter_expr (gfc_expr *); 3653gfc_param_spec_type gfc_spec_list_type (gfc_actual_arglist *, gfc_symbol *); 3654gfc_component * gfc_get_proc_ptr_comp (gfc_expr *); 3655bool gfc_is_proc_ptr_comp (gfc_expr *); 3656bool gfc_is_alloc_class_scalar_function (gfc_expr *); 3657bool gfc_is_class_array_function (gfc_expr *); 3658 3659bool gfc_ref_this_image (gfc_ref *ref); 3660bool gfc_is_coindexed (gfc_expr *); 3661bool gfc_is_coarray (gfc_expr *); 3662int gfc_get_corank (gfc_expr *); 3663bool gfc_has_ultimate_allocatable (gfc_expr *); 3664bool gfc_has_ultimate_pointer (gfc_expr *); 3665gfc_expr* gfc_find_team_co (gfc_expr *); 3666gfc_expr* gfc_find_stat_co (gfc_expr *); 3667gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*, 3668 locus, unsigned, ...); 3669bool gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*); 3670 3671 3672/* st.cc */ 3673extern gfc_code new_st; 3674 3675void gfc_clear_new_st (void); 3676gfc_code *gfc_get_code (gfc_exec_op); 3677gfc_code *gfc_append_code (gfc_code *, gfc_code *); 3678void gfc_free_statement (gfc_code *); 3679void gfc_free_statements (gfc_code *); 3680void gfc_free_association_list (gfc_association_list *); 3681 3682/* resolve.cc */ 3683void gfc_expression_rank (gfc_expr *); 3684bool gfc_resolve_ref (gfc_expr *); 3685bool gfc_resolve_expr (gfc_expr *); 3686void gfc_resolve (gfc_namespace *); 3687void gfc_resolve_code (gfc_code *, gfc_namespace *); 3688void gfc_resolve_blocks (gfc_code *, gfc_namespace *); 3689void gfc_resolve_formal_arglist (gfc_symbol *); 3690int gfc_impure_variable (gfc_symbol *); 3691int gfc_pure (gfc_symbol *); 3692int gfc_implicit_pure (gfc_symbol *); 3693void gfc_unset_implicit_pure (gfc_symbol *); 3694int gfc_elemental (gfc_symbol *); 3695bool gfc_resolve_iterator (gfc_iterator *, bool, bool); 3696bool find_forall_index (gfc_expr *, gfc_symbol *, int); 3697bool gfc_resolve_index (gfc_expr *, int); 3698bool gfc_resolve_dim_arg (gfc_expr *); 3699bool gfc_is_formal_arg (void); 3700bool gfc_resolve_substring (gfc_ref *, bool *); 3701void gfc_resolve_substring_charlen (gfc_expr *); 3702gfc_expr *gfc_expr_to_initialize (gfc_expr *); 3703bool gfc_type_is_extensible (gfc_symbol *); 3704bool gfc_resolve_intrinsic (gfc_symbol *, locus *); 3705bool gfc_explicit_interface_required (gfc_symbol *, char *, int); 3706extern int gfc_do_concurrent_flag; 3707const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree *); 3708int gfc_pure_function (gfc_expr *e, const char **name); 3709int gfc_implicit_pure_function (gfc_expr *e); 3710 3711 3712/* array.cc */ 3713gfc_iterator *gfc_copy_iterator (gfc_iterator *); 3714 3715void gfc_free_array_spec (gfc_array_spec *); 3716gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); 3717 3718bool gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); 3719gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); 3720bool gfc_resolve_array_spec (gfc_array_spec *, int); 3721 3722int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); 3723 3724void gfc_simplify_iterator_var (gfc_expr *); 3725bool gfc_expand_constructor (gfc_expr *, bool); 3726int gfc_constant_ac (gfc_expr *); 3727int gfc_expanded_ac (gfc_expr *); 3728bool gfc_resolve_character_array_constructor (gfc_expr *); 3729bool gfc_resolve_array_constructor (gfc_expr *); 3730bool gfc_check_constructor_type (gfc_expr *); 3731bool gfc_check_iter_variable (gfc_expr *); 3732bool gfc_check_constructor (gfc_expr *, bool (*)(gfc_expr *)); 3733bool gfc_array_size (gfc_expr *, mpz_t *); 3734bool gfc_array_dimen_size (gfc_expr *, int, mpz_t *); 3735bool gfc_array_ref_shape (gfc_array_ref *, mpz_t *); 3736gfc_array_ref *gfc_find_array_ref (gfc_expr *, bool a = false); 3737tree gfc_conv_array_initializer (tree type, gfc_expr *); 3738bool spec_size (gfc_array_spec *, mpz_t *); 3739bool spec_dimen_size (gfc_array_spec *, int, mpz_t *); 3740bool gfc_is_compile_time_shape (gfc_array_spec *); 3741 3742bool gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *); 3743 3744/* interface.cc -- FIXME: some of these should be in symbol.cc */ 3745void gfc_free_interface (gfc_interface *); 3746bool gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); 3747bool gfc_compare_types (gfc_typespec *, gfc_typespec *); 3748bool gfc_check_dummy_characteristics (gfc_symbol *, gfc_symbol *, 3749 bool, char *, int); 3750bool gfc_check_result_characteristics (gfc_symbol *, gfc_symbol *, 3751 char *, int); 3752bool gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int, 3753 char *, int, const char *, const char *, 3754 bool *bad_result_characteristics = NULL); 3755void gfc_check_interfaces (gfc_namespace *); 3756bool gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); 3757void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *); 3758gfc_symbol *gfc_search_interface (gfc_interface *, int, 3759 gfc_actual_arglist **); 3760match gfc_extend_expr (gfc_expr *); 3761void gfc_free_formal_arglist (gfc_formal_arglist *); 3762bool gfc_extend_assign (gfc_code *, gfc_namespace *); 3763bool gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus); 3764bool gfc_add_interface (gfc_symbol *); 3765gfc_interface *gfc_current_interface_head (void); 3766void gfc_set_current_interface_head (gfc_interface *); 3767gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); 3768bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); 3769bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus); 3770bool gfc_has_vector_subscript (gfc_expr*); 3771gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op); 3772bool gfc_check_typebound_override (gfc_symtree*, gfc_symtree*); 3773void gfc_check_dtio_interfaces (gfc_symbol*); 3774gfc_symtree* gfc_find_typebound_dtio_proc (gfc_symbol *, bool, bool); 3775gfc_symbol* gfc_find_specific_dtio_proc (gfc_symbol*, bool, bool); 3776void gfc_get_formal_from_actual_arglist (gfc_symbol *, gfc_actual_arglist *); 3777bool gfc_compare_actual_formal (gfc_actual_arglist **, gfc_formal_arglist *, 3778 int, int, bool, locus *); 3779 3780 3781/* io.cc */ 3782extern gfc_st_label format_asterisk; 3783 3784void gfc_free_open (gfc_open *); 3785bool gfc_resolve_open (gfc_open *, locus *); 3786void gfc_free_close (gfc_close *); 3787bool gfc_resolve_close (gfc_close *, locus *); 3788void gfc_free_filepos (gfc_filepos *); 3789bool gfc_resolve_filepos (gfc_filepos *, locus *); 3790void gfc_free_inquire (gfc_inquire *); 3791bool gfc_resolve_inquire (gfc_inquire *); 3792void gfc_free_dt (gfc_dt *); 3793bool gfc_resolve_dt (gfc_code *, gfc_dt *, locus *); 3794void gfc_free_wait (gfc_wait *); 3795bool gfc_resolve_wait (gfc_wait *); 3796 3797/* module.cc */ 3798void gfc_module_init_2 (void); 3799void gfc_module_done_2 (void); 3800void gfc_dump_module (const char *, int); 3801bool gfc_check_symbol_access (gfc_symbol *); 3802void gfc_free_use_stmts (gfc_use_list *); 3803const char *gfc_dt_lower_string (const char *); 3804const char *gfc_dt_upper_string (const char *); 3805 3806/* primary.cc */ 3807symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); 3808symbol_attribute gfc_expr_attr (gfc_expr *); 3809symbol_attribute gfc_caf_attr (gfc_expr *, bool i = false, bool *r = NULL); 3810match gfc_match_rvalue (gfc_expr **); 3811match gfc_match_varspec (gfc_expr*, int, bool, bool); 3812int gfc_check_digit (char, int); 3813bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *); 3814bool gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *, 3815 gfc_expr **, 3816 gfc_actual_arglist **, bool); 3817 3818/* trans.cc */ 3819void gfc_generate_code (gfc_namespace *); 3820void gfc_generate_module_code (gfc_namespace *); 3821 3822/* trans-intrinsic.cc */ 3823bool gfc_inline_intrinsic_function_p (gfc_expr *); 3824 3825/* bbt.cc */ 3826typedef int (*compare_fn) (void *, void *); 3827void gfc_insert_bbt (void *, void *, compare_fn); 3828void gfc_delete_bbt (void *, void *, compare_fn); 3829 3830/* dump-parse-tree.cc */ 3831void gfc_dump_parse_tree (gfc_namespace *, FILE *); 3832void gfc_dump_c_prototypes (gfc_namespace *, FILE *); 3833void gfc_dump_external_c_prototypes (FILE *); 3834void gfc_dump_global_symbols (FILE *); 3835void debug (gfc_symbol *); 3836void debug (gfc_expr *); 3837 3838/* parse.cc */ 3839bool gfc_parse_file (void); 3840void gfc_global_used (gfc_gsymbol *, locus *); 3841gfc_namespace* gfc_build_block_ns (gfc_namespace *); 3842 3843/* dependency.cc */ 3844int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool); 3845int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); 3846bool gfc_dep_difference (gfc_expr *, gfc_expr *, mpz_t *); 3847 3848/* check.cc */ 3849bool gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); 3850bool gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*, 3851 size_t*, size_t*, size_t*); 3852bool gfc_boz2int (gfc_expr *, int); 3853bool gfc_boz2real (gfc_expr *, int); 3854bool gfc_invalid_boz (const char *, locus *); 3855bool gfc_invalid_null_arg (gfc_expr *); 3856 3857 3858/* class.cc */ 3859void gfc_fix_class_refs (gfc_expr *e); 3860void gfc_add_component_ref (gfc_expr *, const char *); 3861void gfc_add_class_array_ref (gfc_expr *); 3862#define gfc_add_data_component(e) gfc_add_component_ref(e,"_data") 3863#define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr") 3864#define gfc_add_len_component(e) gfc_add_component_ref(e,"_len") 3865#define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash") 3866#define gfc_add_size_component(e) gfc_add_component_ref(e,"_size") 3867#define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init") 3868#define gfc_add_final_component(e) gfc_add_component_ref(e,"_final") 3869bool gfc_is_class_array_ref (gfc_expr *, bool *); 3870bool gfc_is_class_scalar_expr (gfc_expr *); 3871bool gfc_is_class_container_ref (gfc_expr *e); 3872gfc_expr *gfc_class_initializer (gfc_typespec *, gfc_expr *); 3873unsigned int gfc_hash_value (gfc_symbol *); 3874gfc_expr *gfc_get_len_component (gfc_expr *e, int); 3875bool gfc_build_class_symbol (gfc_typespec *, symbol_attribute *, 3876 gfc_array_spec **); 3877gfc_symbol *gfc_find_derived_vtab (gfc_symbol *); 3878gfc_symbol *gfc_find_vtab (gfc_typespec *); 3879gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, bool*, 3880 const char*, bool, locus*); 3881gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, bool*, 3882 const char*, bool, locus*); 3883gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, bool*, 3884 gfc_intrinsic_op, bool, 3885 locus*); 3886gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*); 3887bool gfc_is_finalizable (gfc_symbol *, gfc_expr **); 3888 3889#define CLASS_DATA(sym) sym->ts.u.derived->components 3890#define UNLIMITED_POLY(sym) \ 3891 (sym != NULL && sym->ts.type == BT_CLASS \ 3892 && CLASS_DATA (sym) \ 3893 && CLASS_DATA (sym)->ts.u.derived \ 3894 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic) 3895#define IS_CLASS_ARRAY(sym) \ 3896 (sym->ts.type == BT_CLASS \ 3897 && CLASS_DATA (sym) \ 3898 && CLASS_DATA (sym)->attr.dimension \ 3899 && !CLASS_DATA (sym)->attr.class_pointer) 3900#define IS_POINTER(sym) \ 3901 (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \ 3902 ? CLASS_DATA (sym)->attr.class_pointer : sym->attr.pointer) 3903 3904/* frontend-passes.cc */ 3905 3906void gfc_run_passes (gfc_namespace *); 3907 3908typedef int (*walk_code_fn_t) (gfc_code **, int *, void *); 3909typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *); 3910 3911int gfc_dummy_code_callback (gfc_code **, int *, void *); 3912int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *); 3913int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *); 3914bool gfc_has_dimen_vector_ref (gfc_expr *e); 3915void gfc_check_externals (gfc_namespace *); 3916bool gfc_fix_implicit_pure (gfc_namespace *); 3917 3918/* simplify.cc */ 3919 3920void gfc_convert_mpz_to_signed (mpz_t, int); 3921gfc_expr *gfc_simplify_ieee_functions (gfc_expr *); 3922bool gfc_is_size_zero_array (gfc_expr *); 3923 3924/* trans-array.cc */ 3925 3926bool gfc_is_reallocatable_lhs (gfc_expr *); 3927 3928/* trans-decl.cc */ 3929 3930void finish_oacc_declare (gfc_namespace *, gfc_symbol *, bool); 3931void gfc_adjust_builtins (void); 3932 3933#endif /* GCC_GFORTRAN_H */ 3934