1 /* gfortran header file 2 Copyright (C) 2000-2024 Free Software Foundation, Inc. 3 Contributed by Andy Vaught 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #ifndef GCC_GFORTRAN_H 22 #define GCC_GFORTRAN_H 23 24 /* It's probably insane to have this large of a header file, but it 25 seemed like everything had to be recompiled anyway when a change 26 was made to a header file, and there were ordering issues with 27 multiple header files. Besides, Microsoft's winnt.h was 250k last 28 time I looked, so by comparison this is perfectly reasonable. */ 29 30 #ifndef GCC_CORETYPES_H 31 #error "gfortran.h must be included after coretypes.h" 32 #endif 33 34 /* In order for the format checking to accept the Fortran front end 35 diagnostic framework extensions, you must include this file before 36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE 37 in c-common.h. */ 38 #undef GCC_DIAG_STYLE 39 #define GCC_DIAG_STYLE __gcc_gfc__ 40 #if defined(GCC_DIAGNOSTIC_CORE_H) 41 #error \ 42 In order for the format checking to accept the Fortran front end diagnostic \ 43 framework extensions, you must include this file before diagnostic-core.h, \ 44 not after. 45 #endif 46 47 /* Declarations common to the front-end and library are put in 48 libgfortran/libgfortran_frontend.h */ 49 #include "libgfortran.h" 50 51 52 #include "intl.h" 53 #include "splay-tree.h" 54 55 /* Major control parameters. */ 56 57 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */ 58 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ 59 60 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */ 61 62 63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f')) 64 65 /* Macros to check for groups of structure-like types and flavors since 66 derived types, structures, maps, unions are often treated similarly. */ 67 #define gfc_bt_struct(t) \ 68 ((t) == BT_DERIVED || (t) == BT_UNION) 69 #define gfc_fl_struct(f) \ 70 ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT) 71 #define case_bt_struct case BT_DERIVED: case BT_UNION 72 #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT 73 74 /* Stringization. */ 75 #define stringize(x) expand_macro(x) 76 #define expand_macro(x) # x 77 78 /* For the runtime library, a standard prefix is a requirement to 79 avoid cluttering the namespace with things nobody asked for. It's 80 ugly to look at and a pain to type when you add the prefix by hand, 81 so we hide it behind a macro. */ 82 #define PREFIX(x) "_gfortran_" x 83 #define PREFIX_LEN 10 84 85 /* A prefix for internal variables, which are not user-visible. */ 86 #if !defined (NO_DOT_IN_LABEL) 87 # define GFC_PREFIX(x) "_F." x 88 #elif !defined (NO_DOLLAR_IN_LABEL) 89 # define GFC_PREFIX(x) "_F$" x 90 #else 91 # define GFC_PREFIX(x) "_F_" x 92 #endif 93 94 #define BLANK_COMMON_NAME "__BLNK__" 95 96 /* Macro to initialize an mstring structure. */ 97 #define minit(s, t) { s, NULL, t } 98 99 /* Structure for storing strings to be matched by gfc_match_string. */ 100 typedef struct 101 { 102 const char *string; 103 const char *mp; 104 int tag; 105 } 106 mstring; 107 108 /* ISO_Fortran_binding.h 109 CAUTION: This has to be kept in sync with libgfortran. */ 110 111 #define CFI_type_kind_shift 8 112 #define CFI_type_mask 0xFF 113 #define CFI_type_from_type_kind(t, k) (t + (k << CFI_type_kind_shift)) 114 115 /* Constants, defined as macros. */ 116 #define CFI_VERSION 1 117 #define CFI_MAX_RANK 15 118 119 /* Attributes. */ 120 #define CFI_attribute_pointer 0 121 #define CFI_attribute_allocatable 1 122 #define CFI_attribute_other 2 123 124 #define CFI_type_mask 0xFF 125 #define CFI_type_kind_shift 8 126 127 /* Intrinsic types. Their kind number defines their storage size. */ 128 #define CFI_type_Integer 1 129 #define CFI_type_Logical 2 130 #define CFI_type_Real 3 131 #define CFI_type_Complex 4 132 #define CFI_type_Character 5 133 134 /* Combined type (for more, see ISO_Fortran_binding.h). */ 135 #define CFI_type_ucs4_char (CFI_type_Character + (4 << CFI_type_kind_shift)) 136 137 /* Types with no kind. */ 138 #define CFI_type_struct 6 139 #define CFI_type_cptr 7 140 #define CFI_type_cfunptr 8 141 #define CFI_type_other -1 142 143 144 /*************************** Enums *****************************/ 145 146 /* Used when matching and resolving data I/O transfer statements. */ 147 148 enum io_kind 149 { M_READ, M_WRITE, M_PRINT, M_INQUIRE }; 150 151 152 /* These are flags for identifying whether we are reading a character literal 153 between quotes or normal source code. */ 154 155 enum gfc_instring 156 { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN }; 157 158 /* This is returned by gfc_notification_std to know if, given the flags 159 that were given (-std=, -pedantic) we should issue an error, a warning 160 or nothing. */ 161 162 enum notification 163 { SILENT, WARNING, ERROR }; 164 165 /* Matchers return one of these three values. The difference between 166 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was 167 successful, but that something non-syntactic is wrong and an error 168 has already been issued. */ 169 170 enum match 171 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR }; 172 173 /* Used for different Fortran source forms in places like scanner.cc. */ 174 enum gfc_source_form 175 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN }; 176 177 /* Expression node types. */ 178 enum expr_t 179 { 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. */ 184 enum 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 }; 189 190 enum 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. */ 196 enum 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. */ 202 enum 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. ARITH_NOT_REDUCED is used to keep track of expressions 226 that were not reduced by the arithmetic evaluation code. */ 227 enum arith 228 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, 229 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT, 230 ARITH_WRONGCONCAT, ARITH_INVALID_TYPE, ARITH_NOT_REDUCED 231 }; 232 233 /* Statements. */ 234 enum gfc_statement 235 { 236 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE, 237 ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA, 238 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, 239 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, 240 ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA, 241 ST_ENDDO, ST_IMPLIED_ENDDO, ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, 242 ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, ST_END_MODULE, ST_END_SUBMODULE, 243 ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, 244 ST_ENTRY, ST_EQUIVALENCE, ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, 245 ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, 246 ST_IMPORT, ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY, 247 ST_SYNC_IMAGES, ST_PARAMETER, ST_MODULE, ST_SUBMODULE, ST_MODULE_PROC, 248 ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, 249 ST_READ, ST_RETURN, ST_REWIND, ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, 250 ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, ST_WRITE, ST_ASSIGNMENT, 251 ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF, 252 ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_ENUM, 253 ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS, 254 ST_SELECT_RANK, ST_RANK, ST_STRUCTURE_DECL, ST_END_STRUCTURE, 255 ST_UNION, ST_END_UNION, ST_MAP, ST_END_MAP, 256 ST_OACC_PARALLEL_LOOP, ST_OACC_END_PARALLEL_LOOP, ST_OACC_PARALLEL, 257 ST_OACC_END_PARALLEL, ST_OACC_KERNELS, ST_OACC_END_KERNELS, ST_OACC_DATA, 258 ST_OACC_END_DATA, ST_OACC_HOST_DATA, ST_OACC_END_HOST_DATA, ST_OACC_LOOP, 259 ST_OACC_END_LOOP, ST_OACC_DECLARE, ST_OACC_UPDATE, ST_OACC_WAIT, 260 ST_OACC_CACHE, ST_OACC_KERNELS_LOOP, ST_OACC_END_KERNELS_LOOP, 261 ST_OACC_SERIAL_LOOP, ST_OACC_END_SERIAL_LOOP, ST_OACC_SERIAL, 262 ST_OACC_END_SERIAL, ST_OACC_ENTER_DATA, ST_OACC_EXIT_DATA, ST_OACC_ROUTINE, 263 ST_OACC_ATOMIC, ST_OACC_END_ATOMIC, 264 ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC, 265 ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, 266 ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, 267 ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, 268 ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, 269 ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, 270 ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, 271 ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, 272 ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_OMP_CANCEL, ST_OMP_CANCELLATION_POINT, 273 ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP, ST_OMP_SIMD, ST_OMP_END_SIMD, 274 ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD, ST_OMP_PARALLEL_DO_SIMD, 275 ST_OMP_END_PARALLEL_DO_SIMD, ST_OMP_DECLARE_SIMD, ST_OMP_DECLARE_REDUCTION, 276 ST_OMP_TARGET, ST_OMP_END_TARGET, ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA, 277 ST_OMP_TARGET_UPDATE, ST_OMP_DECLARE_TARGET, ST_OMP_DECLARE_VARIANT, 278 ST_OMP_TEAMS, ST_OMP_END_TEAMS, ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE, 279 ST_OMP_DISTRIBUTE_SIMD, ST_OMP_END_DISTRIBUTE_SIMD, 280 ST_OMP_DISTRIBUTE_PARALLEL_DO, ST_OMP_END_DISTRIBUTE_PARALLEL_DO, 281 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD, 282 ST_OMP_TARGET_TEAMS, ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE, 283 ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD, 284 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE, 285 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD, 286 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO, 287 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO, 288 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO, 289 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO, 290 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 291 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 292 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 293 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 294 ST_OMP_TARGET_PARALLEL, ST_OMP_END_TARGET_PARALLEL, 295 ST_OMP_TARGET_PARALLEL_DO, ST_OMP_END_TARGET_PARALLEL_DO, 296 ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_END_TARGET_PARALLEL_DO_SIMD, 297 ST_OMP_TARGET_ENTER_DATA, ST_OMP_TARGET_EXIT_DATA, 298 ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD, 299 ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP, ST_OMP_SCAN, ST_OMP_DEPOBJ, 300 ST_OMP_TASKLOOP_SIMD, ST_OMP_END_TASKLOOP_SIMD, ST_OMP_ORDERED_DEPEND, 301 ST_OMP_REQUIRES, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL, 302 ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_EVENT_POST, 303 ST_EVENT_WAIT, ST_FAIL_IMAGE, ST_FORM_TEAM, ST_CHANGE_TEAM, 304 ST_END_TEAM, ST_SYNC_TEAM, ST_OMP_PARALLEL_MASTER, 305 ST_OMP_END_PARALLEL_MASTER, ST_OMP_PARALLEL_MASTER_TASKLOOP, 306 ST_OMP_END_PARALLEL_MASTER_TASKLOOP, ST_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, 307 ST_OMP_END_PARALLEL_MASTER_TASKLOOP_SIMD, ST_OMP_MASTER_TASKLOOP, 308 ST_OMP_END_MASTER_TASKLOOP, ST_OMP_MASTER_TASKLOOP_SIMD, 309 ST_OMP_END_MASTER_TASKLOOP_SIMD, ST_OMP_LOOP, ST_OMP_END_LOOP, 310 ST_OMP_PARALLEL_LOOP, ST_OMP_END_PARALLEL_LOOP, ST_OMP_TEAMS_LOOP, 311 ST_OMP_END_TEAMS_LOOP, ST_OMP_TARGET_PARALLEL_LOOP, 312 ST_OMP_END_TARGET_PARALLEL_LOOP, ST_OMP_TARGET_TEAMS_LOOP, 313 ST_OMP_END_TARGET_TEAMS_LOOP, ST_OMP_MASKED, ST_OMP_END_MASKED, 314 ST_OMP_PARALLEL_MASKED, ST_OMP_END_PARALLEL_MASKED, 315 ST_OMP_PARALLEL_MASKED_TASKLOOP, ST_OMP_END_PARALLEL_MASKED_TASKLOOP, 316 ST_OMP_PARALLEL_MASKED_TASKLOOP_SIMD, 317 ST_OMP_END_PARALLEL_MASKED_TASKLOOP_SIMD, ST_OMP_MASKED_TASKLOOP, 318 ST_OMP_END_MASKED_TASKLOOP, ST_OMP_MASKED_TASKLOOP_SIMD, 319 ST_OMP_END_MASKED_TASKLOOP_SIMD, ST_OMP_SCOPE, ST_OMP_END_SCOPE, 320 ST_OMP_ERROR, ST_OMP_ASSUME, ST_OMP_END_ASSUME, ST_OMP_ASSUMES, 321 ST_OMP_ALLOCATE, ST_OMP_ALLOCATE_EXEC, 322 ST_OMP_ALLOCATORS, ST_OMP_END_ALLOCATORS, 323 /* Note: gfc_match_omp_nothing returns ST_NONE. */ 324 ST_OMP_NOTHING, ST_NONE 325 }; 326 327 /* Types of interfaces that we can have. Assignment interfaces are 328 considered to be intrinsic operators. */ 329 enum interface_type 330 { 331 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, 332 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT, 333 INTERFACE_DTIO 334 }; 335 336 /* Symbol flavors: these are all mutually exclusive. 337 12 elements = 4 bits. */ 338 enum sym_flavor 339 { 340 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, 341 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, 342 FL_UNION, FL_STRUCT, FL_VOID 343 }; 344 345 /* Procedure types. 7 elements = 3 bits. */ 346 enum procedure_type 347 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, 348 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL 349 }; 350 351 /* Intent types. Note that these values are also used in another enum in 352 decl.cc (match_attr_spec). */ 353 enum sym_intent 354 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT 355 }; 356 357 /* Access types. */ 358 enum gfc_access 359 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE 360 }; 361 362 /* Flags to keep track of where an interface came from. 363 3 elements = 2 bits. */ 364 enum ifsrc 365 { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */ 366 IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */ 367 IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement 368 with explicit interface. */ 369 }; 370 371 /* Whether a SAVE attribute was set explicitly or implicitly. */ 372 enum save_state 373 { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT 374 }; 375 376 /* OpenACC 'routine' directive's level of parallelism. */ 377 enum oacc_routine_lop 378 { OACC_ROUTINE_LOP_NONE = 0, 379 OACC_ROUTINE_LOP_GANG, 380 OACC_ROUTINE_LOP_WORKER, 381 OACC_ROUTINE_LOP_VECTOR, 382 OACC_ROUTINE_LOP_SEQ, 383 OACC_ROUTINE_LOP_ERROR 384 }; 385 386 /* Strings for all symbol attributes. We use these for dumping the 387 parse tree, in error messages, and also when reading and writing 388 modules. In symbol.cc. */ 389 extern const mstring flavors[]; 390 extern const mstring procedures[]; 391 extern const mstring intents[]; 392 extern const mstring access_types[]; 393 extern const mstring ifsrc_types[]; 394 extern const mstring save_status[]; 395 396 /* Strings for DTIO procedure names. In symbol.cc. */ 397 extern const mstring dtio_procs[]; 398 399 enum dtio_codes 400 { DTIO_RF = 0, DTIO_WF, DTIO_RUF, DTIO_WUF }; 401 402 /* Enumeration of all the generic intrinsic functions. Used by the 403 backend for identification of a function. */ 404 405 enum gfc_isym_id 406 { 407 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by 408 the backend (e.g. KIND). */ 409 GFC_ISYM_NONE = 0, 410 GFC_ISYM_ABORT, 411 GFC_ISYM_ABS, 412 GFC_ISYM_ACCESS, 413 GFC_ISYM_ACHAR, 414 GFC_ISYM_ACOS, 415 GFC_ISYM_ACOSD, 416 GFC_ISYM_ACOSH, 417 GFC_ISYM_ADJUSTL, 418 GFC_ISYM_ADJUSTR, 419 GFC_ISYM_AIMAG, 420 GFC_ISYM_AINT, 421 GFC_ISYM_ALARM, 422 GFC_ISYM_ALL, 423 GFC_ISYM_ALLOCATED, 424 GFC_ISYM_AND, 425 GFC_ISYM_ANINT, 426 GFC_ISYM_ANY, 427 GFC_ISYM_ASIN, 428 GFC_ISYM_ASIND, 429 GFC_ISYM_ASINH, 430 GFC_ISYM_ASSOCIATED, 431 GFC_ISYM_ATAN, 432 GFC_ISYM_ATAN2, 433 GFC_ISYM_ATAN2D, 434 GFC_ISYM_ATAND, 435 GFC_ISYM_ATANH, 436 GFC_ISYM_ATOMIC_ADD, 437 GFC_ISYM_ATOMIC_AND, 438 GFC_ISYM_ATOMIC_CAS, 439 GFC_ISYM_ATOMIC_DEF, 440 GFC_ISYM_ATOMIC_FETCH_ADD, 441 GFC_ISYM_ATOMIC_FETCH_AND, 442 GFC_ISYM_ATOMIC_FETCH_OR, 443 GFC_ISYM_ATOMIC_FETCH_XOR, 444 GFC_ISYM_ATOMIC_OR, 445 GFC_ISYM_ATOMIC_REF, 446 GFC_ISYM_ATOMIC_XOR, 447 GFC_ISYM_BGE, 448 GFC_ISYM_BGT, 449 GFC_ISYM_BIT_SIZE, 450 GFC_ISYM_BLE, 451 GFC_ISYM_BLT, 452 GFC_ISYM_BTEST, 453 GFC_ISYM_CAF_GET, 454 GFC_ISYM_CAF_SEND, 455 GFC_ISYM_CEILING, 456 GFC_ISYM_CHAR, 457 GFC_ISYM_CHDIR, 458 GFC_ISYM_CHMOD, 459 GFC_ISYM_CMPLX, 460 GFC_ISYM_CO_BROADCAST, 461 GFC_ISYM_CO_MAX, 462 GFC_ISYM_CO_MIN, 463 GFC_ISYM_CO_REDUCE, 464 GFC_ISYM_CO_SUM, 465 GFC_ISYM_COMMAND_ARGUMENT_COUNT, 466 GFC_ISYM_COMPILER_OPTIONS, 467 GFC_ISYM_COMPILER_VERSION, 468 GFC_ISYM_COMPLEX, 469 GFC_ISYM_CONJG, 470 GFC_ISYM_CONVERSION, 471 GFC_ISYM_COS, 472 GFC_ISYM_COSD, 473 GFC_ISYM_COSH, 474 GFC_ISYM_COTAN, 475 GFC_ISYM_COTAND, 476 GFC_ISYM_COUNT, 477 GFC_ISYM_CPU_TIME, 478 GFC_ISYM_CSHIFT, 479 GFC_ISYM_CTIME, 480 GFC_ISYM_C_ASSOCIATED, 481 GFC_ISYM_C_F_POINTER, 482 GFC_ISYM_C_F_PROCPOINTER, 483 GFC_ISYM_C_FUNLOC, 484 GFC_ISYM_C_LOC, 485 GFC_ISYM_C_SIZEOF, 486 GFC_ISYM_DATE_AND_TIME, 487 GFC_ISYM_DBLE, 488 GFC_ISYM_DFLOAT, 489 GFC_ISYM_DIGITS, 490 GFC_ISYM_DIM, 491 GFC_ISYM_DOT_PRODUCT, 492 GFC_ISYM_DPROD, 493 GFC_ISYM_DSHIFTL, 494 GFC_ISYM_DSHIFTR, 495 GFC_ISYM_DTIME, 496 GFC_ISYM_EOSHIFT, 497 GFC_ISYM_EPSILON, 498 GFC_ISYM_ERF, 499 GFC_ISYM_ERFC, 500 GFC_ISYM_ERFC_SCALED, 501 GFC_ISYM_ETIME, 502 GFC_ISYM_EVENT_QUERY, 503 GFC_ISYM_EXECUTE_COMMAND_LINE, 504 GFC_ISYM_EXIT, 505 GFC_ISYM_EXP, 506 GFC_ISYM_EXPONENT, 507 GFC_ISYM_EXTENDS_TYPE_OF, 508 GFC_ISYM_FAILED_IMAGES, 509 GFC_ISYM_FDATE, 510 GFC_ISYM_FE_RUNTIME_ERROR, 511 GFC_ISYM_FGET, 512 GFC_ISYM_FGETC, 513 GFC_ISYM_FINDLOC, 514 GFC_ISYM_FLOAT, 515 GFC_ISYM_FLOOR, 516 GFC_ISYM_FLUSH, 517 GFC_ISYM_FNUM, 518 GFC_ISYM_FPUT, 519 GFC_ISYM_FPUTC, 520 GFC_ISYM_FRACTION, 521 GFC_ISYM_FREE, 522 GFC_ISYM_FSEEK, 523 GFC_ISYM_FSTAT, 524 GFC_ISYM_FTELL, 525 GFC_ISYM_TGAMMA, 526 GFC_ISYM_GERROR, 527 GFC_ISYM_GETARG, 528 GFC_ISYM_GET_COMMAND, 529 GFC_ISYM_GET_COMMAND_ARGUMENT, 530 GFC_ISYM_GETCWD, 531 GFC_ISYM_GETENV, 532 GFC_ISYM_GET_ENVIRONMENT_VARIABLE, 533 GFC_ISYM_GETGID, 534 GFC_ISYM_GETLOG, 535 GFC_ISYM_GETPID, 536 GFC_ISYM_GET_TEAM, 537 GFC_ISYM_GETUID, 538 GFC_ISYM_GMTIME, 539 GFC_ISYM_HOSTNM, 540 GFC_ISYM_HUGE, 541 GFC_ISYM_HYPOT, 542 GFC_ISYM_IACHAR, 543 GFC_ISYM_IALL, 544 GFC_ISYM_IAND, 545 GFC_ISYM_IANY, 546 GFC_ISYM_IARGC, 547 GFC_ISYM_IBCLR, 548 GFC_ISYM_IBITS, 549 GFC_ISYM_IBSET, 550 GFC_ISYM_ICHAR, 551 GFC_ISYM_IDATE, 552 GFC_ISYM_IEOR, 553 GFC_ISYM_IERRNO, 554 GFC_ISYM_IMAGE_INDEX, 555 GFC_ISYM_IMAGE_STATUS, 556 GFC_ISYM_INDEX, 557 GFC_ISYM_INT, 558 GFC_ISYM_INT2, 559 GFC_ISYM_INT8, 560 GFC_ISYM_IOR, 561 GFC_ISYM_IPARITY, 562 GFC_ISYM_IRAND, 563 GFC_ISYM_ISATTY, 564 GFC_ISYM_IS_CONTIGUOUS, 565 GFC_ISYM_IS_IOSTAT_END, 566 GFC_ISYM_IS_IOSTAT_EOR, 567 GFC_ISYM_ISNAN, 568 GFC_ISYM_ISHFT, 569 GFC_ISYM_ISHFTC, 570 GFC_ISYM_ITIME, 571 GFC_ISYM_J0, 572 GFC_ISYM_J1, 573 GFC_ISYM_JN, 574 GFC_ISYM_JN2, 575 GFC_ISYM_KILL, 576 GFC_ISYM_KIND, 577 GFC_ISYM_LBOUND, 578 GFC_ISYM_LCOBOUND, 579 GFC_ISYM_LEADZ, 580 GFC_ISYM_LEN, 581 GFC_ISYM_LEN_TRIM, 582 GFC_ISYM_LGAMMA, 583 GFC_ISYM_LGE, 584 GFC_ISYM_LGT, 585 GFC_ISYM_LINK, 586 GFC_ISYM_LLE, 587 GFC_ISYM_LLT, 588 GFC_ISYM_LOC, 589 GFC_ISYM_LOG, 590 GFC_ISYM_LOG10, 591 GFC_ISYM_LOGICAL, 592 GFC_ISYM_LONG, 593 GFC_ISYM_LSHIFT, 594 GFC_ISYM_LSTAT, 595 GFC_ISYM_LTIME, 596 GFC_ISYM_MALLOC, 597 GFC_ISYM_MASKL, 598 GFC_ISYM_MASKR, 599 GFC_ISYM_MATMUL, 600 GFC_ISYM_MAX, 601 GFC_ISYM_MAXEXPONENT, 602 GFC_ISYM_MAXLOC, 603 GFC_ISYM_MAXVAL, 604 GFC_ISYM_MCLOCK, 605 GFC_ISYM_MCLOCK8, 606 GFC_ISYM_MERGE, 607 GFC_ISYM_MERGE_BITS, 608 GFC_ISYM_MIN, 609 GFC_ISYM_MINEXPONENT, 610 GFC_ISYM_MINLOC, 611 GFC_ISYM_MINVAL, 612 GFC_ISYM_MOD, 613 GFC_ISYM_MODULO, 614 GFC_ISYM_MOVE_ALLOC, 615 GFC_ISYM_MVBITS, 616 GFC_ISYM_NEAREST, 617 GFC_ISYM_NEW_LINE, 618 GFC_ISYM_NINT, 619 GFC_ISYM_NORM2, 620 GFC_ISYM_NOT, 621 GFC_ISYM_NULL, 622 GFC_ISYM_NUM_IMAGES, 623 GFC_ISYM_OR, 624 GFC_ISYM_PACK, 625 GFC_ISYM_PARITY, 626 GFC_ISYM_PERROR, 627 GFC_ISYM_POPCNT, 628 GFC_ISYM_POPPAR, 629 GFC_ISYM_PRECISION, 630 GFC_ISYM_PRESENT, 631 GFC_ISYM_PRODUCT, 632 GFC_ISYM_RADIX, 633 GFC_ISYM_RAND, 634 GFC_ISYM_RANDOM_INIT, 635 GFC_ISYM_RANDOM_NUMBER, 636 GFC_ISYM_RANDOM_SEED, 637 GFC_ISYM_RANGE, 638 GFC_ISYM_RANK, 639 GFC_ISYM_REAL, 640 GFC_ISYM_REALPART, 641 GFC_ISYM_RENAME, 642 GFC_ISYM_REPEAT, 643 GFC_ISYM_RESHAPE, 644 GFC_ISYM_RRSPACING, 645 GFC_ISYM_RSHIFT, 646 GFC_ISYM_SAME_TYPE_AS, 647 GFC_ISYM_SC_KIND, 648 GFC_ISYM_SCALE, 649 GFC_ISYM_SCAN, 650 GFC_ISYM_SECNDS, 651 GFC_ISYM_SECOND, 652 GFC_ISYM_SET_EXPONENT, 653 GFC_ISYM_SHAPE, 654 GFC_ISYM_SHIFTA, 655 GFC_ISYM_SHIFTL, 656 GFC_ISYM_SHIFTR, 657 GFC_ISYM_BACKTRACE, 658 GFC_ISYM_SIGN, 659 GFC_ISYM_SIGNAL, 660 GFC_ISYM_SI_KIND, 661 GFC_ISYM_SIN, 662 GFC_ISYM_SIND, 663 GFC_ISYM_SINH, 664 GFC_ISYM_SIZE, 665 GFC_ISYM_SLEEP, 666 GFC_ISYM_SIZEOF, 667 GFC_ISYM_SNGL, 668 GFC_ISYM_SPACING, 669 GFC_ISYM_SPREAD, 670 GFC_ISYM_SQRT, 671 GFC_ISYM_SRAND, 672 GFC_ISYM_SR_KIND, 673 GFC_ISYM_STAT, 674 GFC_ISYM_STOPPED_IMAGES, 675 GFC_ISYM_STORAGE_SIZE, 676 GFC_ISYM_STRIDE, 677 GFC_ISYM_SUM, 678 GFC_ISYM_SYMLINK, 679 GFC_ISYM_SYMLNK, 680 GFC_ISYM_SYSTEM, 681 GFC_ISYM_SYSTEM_CLOCK, 682 GFC_ISYM_TAN, 683 GFC_ISYM_TAND, 684 GFC_ISYM_TANH, 685 GFC_ISYM_TEAM_NUMBER, 686 GFC_ISYM_THIS_IMAGE, 687 GFC_ISYM_TIME, 688 GFC_ISYM_TIME8, 689 GFC_ISYM_TINY, 690 GFC_ISYM_TRAILZ, 691 GFC_ISYM_TRANSFER, 692 GFC_ISYM_TRANSPOSE, 693 GFC_ISYM_TRIM, 694 GFC_ISYM_TTYNAM, 695 GFC_ISYM_UBOUND, 696 GFC_ISYM_UCOBOUND, 697 GFC_ISYM_UMASK, 698 GFC_ISYM_UNLINK, 699 GFC_ISYM_UNPACK, 700 GFC_ISYM_VERIFY, 701 GFC_ISYM_XOR, 702 GFC_ISYM_Y0, 703 GFC_ISYM_Y1, 704 GFC_ISYM_YN, 705 GFC_ISYM_YN2 706 }; 707 708 enum init_local_logical 709 { 710 GFC_INIT_LOGICAL_OFF = 0, 711 GFC_INIT_LOGICAL_FALSE, 712 GFC_INIT_LOGICAL_TRUE 713 }; 714 715 enum init_local_character 716 { 717 GFC_INIT_CHARACTER_OFF = 0, 718 GFC_INIT_CHARACTER_ON 719 }; 720 721 enum init_local_integer 722 { 723 GFC_INIT_INTEGER_OFF = 0, 724 GFC_INIT_INTEGER_ON 725 }; 726 727 enum gfc_reverse 728 { 729 GFC_ENABLE_REVERSE, 730 GFC_FORWARD_SET, 731 GFC_REVERSE_SET, 732 GFC_INHIBIT_REVERSE 733 }; 734 735 enum gfc_param_spec_type 736 { 737 SPEC_EXPLICIT, 738 SPEC_ASSUMED, 739 SPEC_DEFERRED 740 }; 741 742 /************************* Structures *****************************/ 743 744 /* Used for keeping things in balanced binary trees. */ 745 #define BBT_HEADER(self) int priority; struct self *left, *right 746 747 #define NAMED_INTCST(a,b,c,d) a, 748 #define NAMED_KINDARRAY(a,b,c,d) a, 749 #define NAMED_FUNCTION(a,b,c,d) a, 750 #define NAMED_SUBROUTINE(a,b,c,d) a, 751 #define NAMED_DERIVED_TYPE(a,b,c,d) a, 752 enum iso_fortran_env_symbol 753 { 754 ISOFORTRANENV_INVALID = -1, 755 #include "iso-fortran-env.def" 756 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST 757 }; 758 #undef NAMED_INTCST 759 #undef NAMED_KINDARRAY 760 #undef NAMED_FUNCTION 761 #undef NAMED_SUBROUTINE 762 #undef NAMED_DERIVED_TYPE 763 764 #define NAMED_INTCST(a,b,c,d) a, 765 #define NAMED_REALCST(a,b,c,d) a, 766 #define NAMED_CMPXCST(a,b,c,d) a, 767 #define NAMED_LOGCST(a,b,c) a, 768 #define NAMED_CHARKNDCST(a,b,c) a, 769 #define NAMED_CHARCST(a,b,c) a, 770 #define DERIVED_TYPE(a,b,c) a, 771 #define NAMED_FUNCTION(a,b,c,d) a, 772 #define NAMED_SUBROUTINE(a,b,c,d) a, 773 enum iso_c_binding_symbol 774 { 775 ISOCBINDING_INVALID = -1, 776 #include "iso-c-binding.def" 777 ISOCBINDING_LAST, 778 ISOCBINDING_NUMBER = ISOCBINDING_LAST 779 }; 780 #undef NAMED_INTCST 781 #undef NAMED_REALCST 782 #undef NAMED_CMPXCST 783 #undef NAMED_LOGCST 784 #undef NAMED_CHARKNDCST 785 #undef NAMED_CHARCST 786 #undef DERIVED_TYPE 787 #undef NAMED_FUNCTION 788 #undef NAMED_SUBROUTINE 789 790 enum intmod_id 791 { 792 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING, 793 INTMOD_IEEE_FEATURES, INTMOD_IEEE_EXCEPTIONS, INTMOD_IEEE_ARITHMETIC 794 }; 795 796 typedef struct 797 { 798 char name[GFC_MAX_SYMBOL_LEN + 1]; 799 int value; /* Used for both integer and character values. */ 800 bt f90_type; 801 } 802 CInteropKind_t; 803 804 /* Array of structs, where the structs represent the C interop kinds. 805 The list will be implemented based on a hash of the kind name since 806 these could be accessed multiple times. 807 Declared in trans-types.cc as a global, since it's in that file 808 that the list is initialized. */ 809 extern CInteropKind_t c_interop_kinds_table[]; 810 811 enum gfc_omp_device_type 812 { 813 OMP_DEVICE_TYPE_UNSET, 814 OMP_DEVICE_TYPE_HOST, 815 OMP_DEVICE_TYPE_NOHOST, 816 OMP_DEVICE_TYPE_ANY 817 }; 818 819 enum gfc_omp_severity_type 820 { 821 OMP_SEVERITY_UNSET, 822 OMP_SEVERITY_WARNING, 823 OMP_SEVERITY_FATAL 824 }; 825 826 enum gfc_omp_at_type 827 { 828 OMP_AT_UNSET, 829 OMP_AT_COMPILATION, 830 OMP_AT_EXECUTION 831 }; 832 833 /* Structure and list of supported extension attributes. */ 834 typedef enum 835 { 836 EXT_ATTR_DLLIMPORT = 0, 837 EXT_ATTR_DLLEXPORT, 838 EXT_ATTR_STDCALL, 839 EXT_ATTR_CDECL, 840 EXT_ATTR_FASTCALL, 841 EXT_ATTR_NO_ARG_CHECK, 842 EXT_ATTR_DEPRECATED, 843 EXT_ATTR_NOINLINE, 844 EXT_ATTR_NORETURN, 845 EXT_ATTR_WEAK, 846 EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST 847 } 848 ext_attr_id_t; 849 850 typedef struct 851 { 852 const char *name; 853 unsigned id; 854 const char *middle_end_name; 855 } 856 ext_attr_t; 857 858 extern const ext_attr_t ext_attr_list[]; 859 860 /* Symbol attribute structure. */ 861 typedef struct 862 { 863 /* Variable attributes. */ 864 unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1, 865 optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, 866 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, 867 implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1, 868 contiguous:1, fe_temp: 1, automatic: 1; 869 870 /* For CLASS containers, the pointer attribute is sometimes set internally 871 even though it was not directly specified. In this case, keep the 872 "real" (original) value here. */ 873 unsigned class_pointer:1; 874 875 ENUM_BITFIELD (save_state) save:2; 876 877 unsigned data:1, /* Symbol is named in a DATA statement. */ 878 is_protected:1, /* Symbol has been marked as protected. */ 879 use_assoc:1, /* Symbol has been use-associated. */ 880 used_in_submodule:1, /* Symbol has been use-associated in a 881 submodule. Needed since these entities must 882 be set host associated to be compliant. */ 883 use_only:1, /* Symbol has been use-associated, with ONLY. */ 884 use_rename:1, /* Symbol has been use-associated and renamed. */ 885 imported:1, /* Symbol has been associated by IMPORT. */ 886 host_assoc:1; /* Symbol has been host associated. */ 887 888 unsigned in_namelist:1, in_common:1, in_equivalence:1; 889 unsigned function:1, subroutine:1, procedure:1; 890 unsigned generic:1, generic_copy:1; 891 unsigned implicit_type:1; /* Type defined via implicit rules. */ 892 unsigned untyped:1; /* No implicit type could be found. */ 893 894 unsigned is_bind_c:1; /* say if is bound to C. */ 895 unsigned extension:8; /* extension level of a derived type. */ 896 unsigned is_class:1; /* is a CLASS container. */ 897 unsigned class_ok:1; /* is a CLASS object with correct attributes. */ 898 unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */ 899 unsigned vtype:1; /* is a derived type of a vtab. */ 900 901 /* These flags are both in the typespec and attribute. The attribute 902 list is what gets read from/written to a module file. The typespec 903 is created from a decl being processed. */ 904 unsigned is_c_interop:1; /* It's c interoperable. */ 905 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ 906 907 /* Function/subroutine attributes */ 908 unsigned sequence:1, elemental:1, pure:1, recursive:1; 909 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; 910 911 /* Set if this is a module function or subroutine. Note that it is an 912 attribute because it appears as a prefix in the declaration like 913 PURE, etc.. */ 914 unsigned module_procedure:1; 915 916 /* Set if a (public) symbol [e.g. generic name] exposes this symbol, 917 which is relevant for private module procedures. */ 918 unsigned public_used:1; 919 920 /* This is set if a contained procedure could be declared pure. This is 921 used for certain optimizations that require the result or arguments 922 cannot alias. Note that this is zero for PURE procedures. */ 923 unsigned implicit_pure:1; 924 925 /* This is set for a procedure that contains expressions referencing 926 arrays coming from outside its namespace. 927 This is used to force the creation of a temporary when the LHS of 928 an array assignment may be used by an elemental procedure appearing 929 on the RHS. */ 930 unsigned array_outer_dependency:1; 931 932 /* This is set if the subroutine doesn't return. Currently, this 933 is only possible for intrinsic subroutines. */ 934 unsigned noreturn:1; 935 936 /* Set if this procedure is an alternate entry point. These procedures 937 don't have any code associated, and the backend will turn them into 938 thunks to the master function. */ 939 unsigned entry:1; 940 941 /* Set if this is the master function for a procedure with multiple 942 entry points. */ 943 unsigned entry_master:1; 944 945 /* Set if this is the master function for a function with multiple 946 entry points where characteristics of the entry points differ. */ 947 unsigned mixed_entry_master:1; 948 949 /* Set if a function must always be referenced by an explicit interface. */ 950 unsigned always_explicit:1; 951 952 /* Set if the symbol is generated and, hence, standard violations 953 shouldn't be flaged. */ 954 unsigned artificial:1; 955 956 /* Set if the symbol has been referenced in an expression. No further 957 modification of type or type parameters is permitted. */ 958 unsigned referenced:1; 959 960 /* Set if this is the symbol for the main program. */ 961 unsigned is_main_program:1; 962 963 /* Mutually exclusive multibit attributes. */ 964 ENUM_BITFIELD (gfc_access) access:2; 965 ENUM_BITFIELD (sym_intent) intent:2; 966 ENUM_BITFIELD (sym_flavor) flavor:4; 967 ENUM_BITFIELD (ifsrc) if_source:2; 968 969 ENUM_BITFIELD (procedure_type) proc:3; 970 971 /* Special attributes for Cray pointers, pointees. */ 972 unsigned cray_pointer:1, cray_pointee:1; 973 974 /* The symbol is a derived type with allocatable components, pointer 975 components or private components, procedure pointer components, 976 possibly nested. zero_comp is true if the derived type has no 977 component at all. defined_assign_comp is true if the derived 978 type or a (sub-)component has a typebound defined assignment. 979 unlimited_polymorphic flags the type of the container for these 980 entities. */ 981 unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1, 982 private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1, 983 event_comp:1, defined_assign_comp:1, unlimited_polymorphic:1, 984 has_dtio_procs:1, caf_token:1; 985 986 /* This is a temporary selector for SELECT TYPE/RANK or an associate 987 variable for SELECT TYPE/RANK or ASSOCIATE. */ 988 unsigned select_type_temporary:1, select_rank_temporary:1, associate_var:1; 989 990 /* These are the attributes required for parameterized derived 991 types. */ 992 unsigned pdt_kind:1, pdt_len:1, pdt_type:1, pdt_template:1, 993 pdt_array:1, pdt_string:1; 994 995 /* This is omp_{out,in,priv,orig} artificial variable in 996 !$OMP DECLARE REDUCTION. */ 997 unsigned omp_udr_artificial_var:1; 998 999 /* Mentioned in OMP DECLARE TARGET. */ 1000 unsigned omp_declare_target:1; 1001 unsigned omp_declare_target_link:1; 1002 unsigned omp_declare_target_indirect:1; 1003 ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2; 1004 unsigned omp_allocate:1; 1005 1006 /* Mentioned in OACC DECLARE. */ 1007 unsigned oacc_declare_create:1; 1008 unsigned oacc_declare_copyin:1; 1009 unsigned oacc_declare_deviceptr:1; 1010 unsigned oacc_declare_device_resident:1; 1011 unsigned oacc_declare_link:1; 1012 1013 /* OpenACC 'routine' directive's level of parallelism. */ 1014 ENUM_BITFIELD (oacc_routine_lop) oacc_routine_lop:3; 1015 unsigned oacc_routine_nohost:1; 1016 1017 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */ 1018 unsigned ext_attr:EXT_ATTR_NUM; 1019 1020 /* The namespace where the attribute has been set. */ 1021 struct gfc_namespace *volatile_ns, *asynchronous_ns; 1022 } 1023 symbol_attribute; 1024 1025 1026 /* We need to store source lines as sequences of multibyte source 1027 characters. We define here a type wide enough to hold any multibyte 1028 source character, just like libcpp does. A 32-bit type is enough. */ 1029 1030 #if HOST_BITS_PER_INT >= 32 1031 typedef unsigned int gfc_char_t; 1032 #elif HOST_BITS_PER_LONG >= 32 1033 typedef unsigned long gfc_char_t; 1034 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) 1035 typedef unsigned long long gfc_char_t; 1036 #else 1037 # error "Cannot find an integer type with at least 32 bits" 1038 #endif 1039 1040 1041 /* The following three structures are used to identify a location in 1042 the sources. 1043 1044 gfc_file is used to maintain a tree of the source files and how 1045 they include each other 1046 1047 gfc_linebuf holds a single line of source code and information 1048 which file it resides in 1049 1050 locus point to the sourceline and the character in the source 1051 line. 1052 */ 1053 1054 typedef struct gfc_file 1055 { 1056 struct gfc_file *next, *up; 1057 int inclusion_line, line; 1058 char *filename; 1059 } gfc_file; 1060 1061 typedef struct gfc_linebuf 1062 { 1063 location_t location; 1064 struct gfc_file *file; 1065 struct gfc_linebuf *next; 1066 1067 int truncated; 1068 bool dbg_emitted; 1069 1070 gfc_char_t line[1]; 1071 } gfc_linebuf; 1072 1073 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) 1074 1075 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) 1076 1077 typedef struct 1078 { 1079 gfc_char_t *nextc; 1080 gfc_linebuf *lb; 1081 } locus; 1082 1083 /* In order for the "gfc" format checking to work correctly, you must 1084 have declared a typedef locus first. */ 1085 #if GCC_VERSION >= 4001 1086 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) 1087 #else 1088 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) 1089 #endif 1090 1091 1092 /* Suppress error messages or re-enable them. */ 1093 1094 void gfc_push_suppress_errors (void); 1095 void gfc_pop_suppress_errors (void); 1096 bool gfc_query_suppress_errors (void); 1097 1098 1099 /* Character length structures hold the expression that gives the 1100 length of a character variable. We avoid putting these into 1101 gfc_typespec because doing so prevents us from doing structure 1102 copies and forces us to deallocate any typespecs we create, as well 1103 as structures that contain typespecs. They also can have multiple 1104 character typespecs pointing to them. 1105 1106 These structures form a singly linked list within the current 1107 namespace and are deallocated with the namespace. It is possible to 1108 end up with gfc_charlen structures that have nothing pointing to them. */ 1109 1110 typedef struct gfc_charlen 1111 { 1112 struct gfc_expr *length; 1113 struct gfc_charlen *next; 1114 bool length_from_typespec; /* Length from explicit array ctor typespec? */ 1115 tree backend_decl; 1116 tree passed_length; /* Length argument explicitly passed. */ 1117 1118 int resolved; 1119 } 1120 gfc_charlen; 1121 1122 #define gfc_get_charlen() XCNEW (gfc_charlen) 1123 1124 /* Type specification structure. */ 1125 typedef struct 1126 { 1127 bt type; 1128 int kind; 1129 1130 union 1131 { 1132 struct gfc_symbol *derived; /* For derived types only. */ 1133 gfc_charlen *cl; /* For character types only. */ 1134 int pad; /* For hollerith types only. */ 1135 } 1136 u; 1137 1138 struct gfc_symbol *interface; /* For PROCEDURE declarations. */ 1139 int is_c_interop; 1140 int is_iso_c; 1141 bt f90_type; 1142 bool deferred; 1143 gfc_symbol *interop_kind; 1144 } 1145 gfc_typespec; 1146 1147 /* Array specification. */ 1148 typedef struct 1149 { 1150 int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */ 1151 int corank; 1152 array_type type, cotype; 1153 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; 1154 1155 /* These two fields are used with the Cray Pointer extension. */ 1156 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ 1157 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to 1158 AS_EXPLICIT, but we want to remember that we 1159 did this. */ 1160 1161 bool resolved; 1162 } 1163 gfc_array_spec; 1164 1165 #define gfc_get_array_spec() XCNEW (gfc_array_spec) 1166 1167 1168 /* Components of derived types. */ 1169 typedef struct gfc_component 1170 { 1171 const char *name; 1172 gfc_typespec ts; 1173 1174 symbol_attribute attr; 1175 gfc_array_spec *as; 1176 1177 tree backend_decl; 1178 /* Used to cache a FIELD_DECL matching this same component 1179 but applied to a different backend containing type that was 1180 generated by gfc_nonrestricted_type. */ 1181 tree norestrict_decl; 1182 locus loc; 1183 struct gfc_expr *initializer; 1184 /* Used in parameterized derived type declarations to store parameterized 1185 kind expressions. */ 1186 struct gfc_expr *kind_expr; 1187 struct gfc_actual_arglist *param_list; 1188 1189 struct gfc_component *next; 1190 1191 /* Needed for procedure pointer components. */ 1192 struct gfc_typebound_proc *tb; 1193 /* When allocatable/pointer and in a coarray the associated token. */ 1194 tree caf_token; 1195 } 1196 gfc_component; 1197 1198 #define gfc_get_component() XCNEW (gfc_component) 1199 1200 /* Formal argument lists are lists of symbols. */ 1201 typedef struct gfc_formal_arglist 1202 { 1203 /* Symbol representing the argument at this position in the arglist. */ 1204 struct gfc_symbol *sym; 1205 /* Points to the next formal argument. */ 1206 struct gfc_formal_arglist *next; 1207 } 1208 gfc_formal_arglist; 1209 1210 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) 1211 1212 1213 struct gfc_dummy_arg; 1214 1215 1216 /* The gfc_actual_arglist structure is for actual arguments and 1217 for type parameter specification lists. */ 1218 typedef struct gfc_actual_arglist 1219 { 1220 const char *name; 1221 /* Alternate return label when the expr member is null. */ 1222 struct gfc_st_label *label; 1223 1224 gfc_param_spec_type spec_type; 1225 1226 struct gfc_expr *expr; 1227 1228 /* The dummy arg this actual arg is associated with, if the interface 1229 is explicit. NULL otherwise. */ 1230 gfc_dummy_arg *associated_dummy; 1231 1232 struct gfc_actual_arglist *next; 1233 } 1234 gfc_actual_arglist; 1235 1236 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) 1237 1238 1239 /* Because a symbol can belong to multiple namelists, they must be 1240 linked externally to the symbol itself. */ 1241 typedef struct gfc_namelist 1242 { 1243 struct gfc_symbol *sym; 1244 struct gfc_namelist *next; 1245 } 1246 gfc_namelist; 1247 1248 #define gfc_get_namelist() XCNEW (gfc_namelist) 1249 1250 /* Likewise to gfc_namelist, but contains expressions. */ 1251 typedef struct gfc_expr_list 1252 { 1253 struct gfc_expr *expr; 1254 struct gfc_expr_list *next; 1255 } 1256 gfc_expr_list; 1257 1258 #define gfc_get_expr_list() XCNEW (gfc_expr_list) 1259 1260 enum gfc_omp_reduction_op 1261 { 1262 OMP_REDUCTION_NONE = -1, 1263 OMP_REDUCTION_PLUS = INTRINSIC_PLUS, 1264 OMP_REDUCTION_MINUS = INTRINSIC_MINUS, 1265 OMP_REDUCTION_TIMES = INTRINSIC_TIMES, 1266 OMP_REDUCTION_AND = INTRINSIC_AND, 1267 OMP_REDUCTION_OR = INTRINSIC_OR, 1268 OMP_REDUCTION_EQV = INTRINSIC_EQV, 1269 OMP_REDUCTION_NEQV = INTRINSIC_NEQV, 1270 OMP_REDUCTION_MAX = GFC_INTRINSIC_END, 1271 OMP_REDUCTION_MIN, 1272 OMP_REDUCTION_IAND, 1273 OMP_REDUCTION_IOR, 1274 OMP_REDUCTION_IEOR, 1275 OMP_REDUCTION_USER 1276 }; 1277 1278 enum gfc_omp_depend_doacross_op 1279 { 1280 OMP_DEPEND_UNSET, 1281 OMP_DEPEND_IN, 1282 OMP_DEPEND_OUT, 1283 OMP_DEPEND_INOUT, 1284 OMP_DEPEND_INOUTSET, 1285 OMP_DEPEND_MUTEXINOUTSET, 1286 OMP_DEPEND_DEPOBJ, 1287 OMP_DEPEND_SINK_FIRST, 1288 OMP_DOACROSS_SINK_FIRST, 1289 OMP_DOACROSS_SINK 1290 }; 1291 1292 enum gfc_omp_map_op 1293 { 1294 OMP_MAP_ALLOC, 1295 OMP_MAP_IF_PRESENT, 1296 OMP_MAP_ATTACH, 1297 OMP_MAP_TO, 1298 OMP_MAP_FROM, 1299 OMP_MAP_TOFROM, 1300 OMP_MAP_DELETE, 1301 OMP_MAP_DETACH, 1302 OMP_MAP_FORCE_ALLOC, 1303 OMP_MAP_FORCE_TO, 1304 OMP_MAP_FORCE_FROM, 1305 OMP_MAP_FORCE_TOFROM, 1306 OMP_MAP_FORCE_PRESENT, 1307 OMP_MAP_FORCE_DEVICEPTR, 1308 OMP_MAP_DEVICE_RESIDENT, 1309 OMP_MAP_LINK, 1310 OMP_MAP_RELEASE, 1311 OMP_MAP_ALWAYS_TO, 1312 OMP_MAP_ALWAYS_FROM, 1313 OMP_MAP_ALWAYS_TOFROM, 1314 OMP_MAP_PRESENT_ALLOC, 1315 OMP_MAP_PRESENT_TO, 1316 OMP_MAP_PRESENT_FROM, 1317 OMP_MAP_PRESENT_TOFROM, 1318 OMP_MAP_ALWAYS_PRESENT_TO, 1319 OMP_MAP_ALWAYS_PRESENT_FROM, 1320 OMP_MAP_ALWAYS_PRESENT_TOFROM 1321 }; 1322 1323 enum gfc_omp_defaultmap 1324 { 1325 OMP_DEFAULTMAP_UNSET, 1326 OMP_DEFAULTMAP_ALLOC, 1327 OMP_DEFAULTMAP_TO, 1328 OMP_DEFAULTMAP_FROM, 1329 OMP_DEFAULTMAP_TOFROM, 1330 OMP_DEFAULTMAP_FIRSTPRIVATE, 1331 OMP_DEFAULTMAP_NONE, 1332 OMP_DEFAULTMAP_DEFAULT, 1333 OMP_DEFAULTMAP_PRESENT 1334 }; 1335 1336 enum gfc_omp_defaultmap_category 1337 { 1338 OMP_DEFAULTMAP_CAT_UNCATEGORIZED, 1339 OMP_DEFAULTMAP_CAT_ALL, 1340 OMP_DEFAULTMAP_CAT_SCALAR, 1341 OMP_DEFAULTMAP_CAT_AGGREGATE, 1342 OMP_DEFAULTMAP_CAT_ALLOCATABLE, 1343 OMP_DEFAULTMAP_CAT_POINTER, 1344 OMP_DEFAULTMAP_CAT_NUM 1345 }; 1346 1347 enum gfc_omp_linear_op 1348 { 1349 OMP_LINEAR_DEFAULT, 1350 OMP_LINEAR_REF, 1351 OMP_LINEAR_VAL, 1352 OMP_LINEAR_UVAL 1353 }; 1354 1355 /* For use in OpenMP clauses in case we need extra information 1356 (aligned clause alignment, linear clause step, etc.). */ 1357 1358 typedef struct gfc_omp_namelist 1359 { 1360 struct gfc_symbol *sym; 1361 struct gfc_expr *expr; 1362 union 1363 { 1364 gfc_omp_reduction_op reduction_op; 1365 gfc_omp_depend_doacross_op depend_doacross_op; 1366 struct 1367 { 1368 ENUM_BITFIELD (gfc_omp_map_op) op:8; 1369 bool readonly; 1370 } map; 1371 gfc_expr *align; 1372 struct 1373 { 1374 ENUM_BITFIELD (gfc_omp_linear_op) op:4; 1375 bool old_modifier; 1376 } linear; 1377 struct gfc_common_head *common; 1378 struct gfc_symbol *memspace_sym; 1379 bool lastprivate_conditional; 1380 bool present_modifier; 1381 } u; 1382 union 1383 { 1384 struct gfc_omp_namelist_udr *udr; 1385 gfc_namespace *ns; 1386 gfc_expr *allocator; 1387 struct gfc_symbol *traits_sym; 1388 struct gfc_omp_namelist *duplicate_of; 1389 } u2; 1390 struct gfc_omp_namelist *next; 1391 locus where; 1392 } 1393 gfc_omp_namelist; 1394 1395 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist) 1396 1397 enum 1398 { 1399 OMP_LIST_FIRST, 1400 OMP_LIST_PRIVATE = OMP_LIST_FIRST, 1401 OMP_LIST_FIRSTPRIVATE, 1402 OMP_LIST_LASTPRIVATE, 1403 OMP_LIST_COPYPRIVATE, 1404 OMP_LIST_SHARED, 1405 OMP_LIST_COPYIN, 1406 OMP_LIST_UNIFORM, 1407 OMP_LIST_AFFINITY, 1408 OMP_LIST_ALIGNED, 1409 OMP_LIST_LINEAR, 1410 OMP_LIST_DEPEND, 1411 OMP_LIST_MAP, 1412 OMP_LIST_TO, 1413 OMP_LIST_FROM, 1414 OMP_LIST_SCAN_IN, 1415 OMP_LIST_SCAN_EX, 1416 OMP_LIST_REDUCTION, 1417 OMP_LIST_REDUCTION_INSCAN, 1418 OMP_LIST_REDUCTION_TASK, 1419 OMP_LIST_IN_REDUCTION, 1420 OMP_LIST_TASK_REDUCTION, 1421 OMP_LIST_DEVICE_RESIDENT, 1422 OMP_LIST_LINK, 1423 OMP_LIST_USE_DEVICE, 1424 OMP_LIST_CACHE, 1425 OMP_LIST_IS_DEVICE_PTR, 1426 OMP_LIST_USE_DEVICE_PTR, 1427 OMP_LIST_USE_DEVICE_ADDR, 1428 OMP_LIST_NONTEMPORAL, 1429 OMP_LIST_ALLOCATE, 1430 OMP_LIST_HAS_DEVICE_ADDR, 1431 OMP_LIST_ENTER, 1432 OMP_LIST_USES_ALLOCATORS, 1433 OMP_LIST_NUM /* Must be the last. */ 1434 }; 1435 1436 /* Because a symbol can belong to multiple namelists, they must be 1437 linked externally to the symbol itself. */ 1438 1439 enum gfc_omp_sched_kind 1440 { 1441 OMP_SCHED_NONE, 1442 OMP_SCHED_STATIC, 1443 OMP_SCHED_DYNAMIC, 1444 OMP_SCHED_GUIDED, 1445 OMP_SCHED_RUNTIME, 1446 OMP_SCHED_AUTO 1447 }; 1448 1449 enum gfc_omp_default_sharing 1450 { 1451 OMP_DEFAULT_UNKNOWN, 1452 OMP_DEFAULT_NONE, 1453 OMP_DEFAULT_PRIVATE, 1454 OMP_DEFAULT_SHARED, 1455 OMP_DEFAULT_FIRSTPRIVATE, 1456 OMP_DEFAULT_PRESENT 1457 }; 1458 1459 enum gfc_omp_proc_bind_kind 1460 { 1461 OMP_PROC_BIND_UNKNOWN, 1462 OMP_PROC_BIND_PRIMARY, 1463 OMP_PROC_BIND_MASTER, 1464 OMP_PROC_BIND_SPREAD, 1465 OMP_PROC_BIND_CLOSE 1466 }; 1467 1468 enum gfc_omp_cancel_kind 1469 { 1470 OMP_CANCEL_UNKNOWN, 1471 OMP_CANCEL_PARALLEL, 1472 OMP_CANCEL_SECTIONS, 1473 OMP_CANCEL_DO, 1474 OMP_CANCEL_TASKGROUP 1475 }; 1476 1477 enum gfc_omp_if_kind 1478 { 1479 OMP_IF_CANCEL, 1480 OMP_IF_PARALLEL, 1481 OMP_IF_SIMD, 1482 OMP_IF_TASK, 1483 OMP_IF_TASKLOOP, 1484 OMP_IF_TARGET, 1485 OMP_IF_TARGET_DATA, 1486 OMP_IF_TARGET_UPDATE, 1487 OMP_IF_TARGET_ENTER_DATA, 1488 OMP_IF_TARGET_EXIT_DATA, 1489 OMP_IF_LAST 1490 }; 1491 1492 enum gfc_omp_atomic_op 1493 { 1494 GFC_OMP_ATOMIC_UNSET = 0, 1495 GFC_OMP_ATOMIC_UPDATE = 1, 1496 GFC_OMP_ATOMIC_READ = 2, 1497 GFC_OMP_ATOMIC_WRITE = 3, 1498 GFC_OMP_ATOMIC_MASK = 3, 1499 GFC_OMP_ATOMIC_SWAP = 16 1500 }; 1501 1502 enum gfc_omp_requires_kind 1503 { 1504 /* Keep in sync with gfc_namespace, esp. with omp_req_mem_order. */ 1505 OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST = 1, /* 001 */ 1506 OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL = 2, /* 010 */ 1507 OMP_REQ_ATOMIC_MEM_ORDER_RELAXED = 3, /* 011 */ 1508 OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE = 4, /* 100 */ 1509 OMP_REQ_ATOMIC_MEM_ORDER_RELEASE = 5, /* 101 */ 1510 OMP_REQ_REVERSE_OFFLOAD = (1 << 3), 1511 OMP_REQ_UNIFIED_ADDRESS = (1 << 4), 1512 OMP_REQ_UNIFIED_SHARED_MEMORY = (1 << 5), 1513 OMP_REQ_DYNAMIC_ALLOCATORS = (1 << 6), 1514 OMP_REQ_TARGET_MASK = (OMP_REQ_REVERSE_OFFLOAD 1515 | OMP_REQ_UNIFIED_ADDRESS 1516 | OMP_REQ_UNIFIED_SHARED_MEMORY), 1517 OMP_REQ_ATOMIC_MEM_ORDER_MASK = (OMP_REQ_ATOMIC_MEM_ORDER_SEQ_CST 1518 | OMP_REQ_ATOMIC_MEM_ORDER_ACQ_REL 1519 | OMP_REQ_ATOMIC_MEM_ORDER_RELAXED 1520 | OMP_REQ_ATOMIC_MEM_ORDER_ACQUIRE 1521 | OMP_REQ_ATOMIC_MEM_ORDER_RELEASE) 1522 }; 1523 1524 enum gfc_omp_memorder 1525 { 1526 OMP_MEMORDER_UNSET, 1527 OMP_MEMORDER_SEQ_CST, 1528 OMP_MEMORDER_ACQ_REL, 1529 OMP_MEMORDER_RELEASE, 1530 OMP_MEMORDER_ACQUIRE, 1531 OMP_MEMORDER_RELAXED 1532 }; 1533 1534 enum gfc_omp_bind_type 1535 { 1536 OMP_BIND_UNSET, 1537 OMP_BIND_TEAMS, 1538 OMP_BIND_PARALLEL, 1539 OMP_BIND_THREAD 1540 }; 1541 1542 typedef struct gfc_omp_assumptions 1543 { 1544 int n_absent, n_contains; 1545 enum gfc_statement *absent, *contains; 1546 gfc_expr_list *holds; 1547 bool no_openmp:1, no_openmp_routines:1, no_parallelism:1; 1548 } 1549 gfc_omp_assumptions; 1550 1551 #define gfc_get_omp_assumptions() XCNEW (gfc_omp_assumptions) 1552 1553 1554 typedef struct gfc_omp_clauses 1555 { 1556 gfc_omp_namelist *lists[OMP_LIST_NUM]; 1557 struct gfc_expr *if_expr; 1558 struct gfc_expr *if_exprs[OMP_IF_LAST]; 1559 struct gfc_expr *self_expr; 1560 struct gfc_expr *final_expr; 1561 struct gfc_expr *num_threads; 1562 struct gfc_expr *chunk_size; 1563 struct gfc_expr *safelen_expr; 1564 struct gfc_expr *simdlen_expr; 1565 struct gfc_expr *num_teams_lower; 1566 struct gfc_expr *num_teams_upper; 1567 struct gfc_expr *device; 1568 struct gfc_expr *thread_limit; 1569 struct gfc_expr *grainsize; 1570 struct gfc_expr *filter; 1571 struct gfc_expr *hint; 1572 struct gfc_expr *num_tasks; 1573 struct gfc_expr *priority; 1574 struct gfc_expr *detach; 1575 struct gfc_expr *depobj; 1576 struct gfc_expr *dist_chunk_size; 1577 struct gfc_expr *message; 1578 struct gfc_omp_assumptions *assume; 1579 const char *critical_name; 1580 enum gfc_omp_default_sharing default_sharing; 1581 enum gfc_omp_atomic_op atomic_op; 1582 enum gfc_omp_defaultmap defaultmap[OMP_DEFAULTMAP_CAT_NUM]; 1583 int collapse, orderedc; 1584 unsigned nowait:1, ordered:1, untied:1, mergeable:1, ancestor:1; 1585 unsigned inbranch:1, notinbranch:1, nogroup:1; 1586 unsigned sched_simd:1, sched_monotonic:1, sched_nonmonotonic:1; 1587 unsigned simd:1, threads:1, doacross_source:1, depend_source:1, destroy:1; 1588 unsigned order_unconstrained:1, order_reproducible:1, capture:1; 1589 unsigned grainsize_strict:1, num_tasks_strict:1, compare:1, weak:1; 1590 unsigned non_rectangular:1, order_concurrent:1; 1591 unsigned contains_teams_construct:1, target_first_st_is_teams:1; 1592 unsigned contained_in_target_construct:1, indirect:1; 1593 ENUM_BITFIELD (gfc_omp_sched_kind) sched_kind:3; 1594 ENUM_BITFIELD (gfc_omp_device_type) device_type:2; 1595 ENUM_BITFIELD (gfc_omp_memorder) memorder:3; 1596 ENUM_BITFIELD (gfc_omp_memorder) fail:3; 1597 ENUM_BITFIELD (gfc_omp_cancel_kind) cancel:3; 1598 ENUM_BITFIELD (gfc_omp_proc_bind_kind) proc_bind:3; 1599 ENUM_BITFIELD (gfc_omp_depend_doacross_op) depobj_update:4; 1600 ENUM_BITFIELD (gfc_omp_bind_type) bind:2; 1601 ENUM_BITFIELD (gfc_omp_at_type) at:2; 1602 ENUM_BITFIELD (gfc_omp_severity_type) severity:2; 1603 ENUM_BITFIELD (gfc_omp_sched_kind) dist_sched_kind:3; 1604 1605 /* OpenACC. */ 1606 struct gfc_expr *async_expr; 1607 struct gfc_expr *gang_static_expr; 1608 struct gfc_expr *gang_num_expr; 1609 struct gfc_expr *worker_expr; 1610 struct gfc_expr *vector_expr; 1611 struct gfc_expr *num_gangs_expr; 1612 struct gfc_expr *num_workers_expr; 1613 struct gfc_expr *vector_length_expr; 1614 gfc_expr_list *wait_list; 1615 gfc_expr_list *tile_list; 1616 unsigned async:1, gang:1, worker:1, vector:1, seq:1, independent:1; 1617 unsigned par_auto:1, gang_static:1; 1618 unsigned if_present:1, finalize:1; 1619 unsigned nohost:1; 1620 locus loc; 1621 } 1622 gfc_omp_clauses; 1623 1624 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) 1625 1626 1627 /* Node in the linked list used for storing !$oacc declare constructs. */ 1628 1629 typedef struct gfc_oacc_declare 1630 { 1631 struct gfc_oacc_declare *next; 1632 bool module_var; 1633 gfc_omp_clauses *clauses; 1634 locus loc; 1635 } 1636 gfc_oacc_declare; 1637 1638 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare) 1639 1640 1641 /* Node in the linked list used for storing !$omp declare simd constructs. */ 1642 1643 typedef struct gfc_omp_declare_simd 1644 { 1645 struct gfc_omp_declare_simd *next; 1646 locus where; /* Where the !$omp declare simd construct occurred. */ 1647 1648 gfc_symbol *proc_name; 1649 1650 gfc_omp_clauses *clauses; 1651 } 1652 gfc_omp_declare_simd; 1653 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd) 1654 1655 /* For OpenMP trait selector enum types and tables. */ 1656 #include "omp-selectors.h" 1657 1658 typedef struct gfc_omp_trait_property 1659 { 1660 struct gfc_omp_trait_property *next; 1661 enum omp_tp_type property_kind; 1662 bool is_name : 1; 1663 1664 union 1665 { 1666 gfc_expr *expr; 1667 gfc_symbol *sym; 1668 gfc_omp_clauses *clauses; 1669 char *name; 1670 }; 1671 } gfc_omp_trait_property; 1672 #define gfc_get_omp_trait_property() XCNEW (gfc_omp_trait_property) 1673 1674 typedef struct gfc_omp_selector 1675 { 1676 struct gfc_omp_selector *next; 1677 enum omp_ts_code code; 1678 gfc_expr *score; 1679 struct gfc_omp_trait_property *properties; 1680 } gfc_omp_selector; 1681 #define gfc_get_omp_selector() XCNEW (gfc_omp_selector) 1682 1683 typedef struct gfc_omp_set_selector 1684 { 1685 struct gfc_omp_set_selector *next; 1686 enum omp_tss_code code; 1687 struct gfc_omp_selector *trait_selectors; 1688 } gfc_omp_set_selector; 1689 #define gfc_get_omp_set_selector() XCNEW (gfc_omp_set_selector) 1690 1691 1692 /* Node in the linked list used for storing !$omp declare variant 1693 constructs. */ 1694 1695 typedef struct gfc_omp_declare_variant 1696 { 1697 struct gfc_omp_declare_variant *next; 1698 locus where; /* Where the !$omp declare variant construct occurred. */ 1699 1700 struct gfc_symtree *base_proc_symtree; 1701 struct gfc_symtree *variant_proc_symtree; 1702 1703 gfc_omp_set_selector *set_selectors; 1704 1705 bool checked_p : 1; /* Set if previously checked for errors. */ 1706 bool error_p : 1; /* Set if error found in directive. */ 1707 } 1708 gfc_omp_declare_variant; 1709 #define gfc_get_omp_declare_variant() XCNEW (gfc_omp_declare_variant) 1710 1711 1712 typedef struct gfc_omp_udr 1713 { 1714 struct gfc_omp_udr *next; 1715 locus where; /* Where the !$omp declare reduction construct occurred. */ 1716 1717 const char *name; 1718 gfc_typespec ts; 1719 gfc_omp_reduction_op rop; 1720 1721 struct gfc_symbol *omp_out; 1722 struct gfc_symbol *omp_in; 1723 struct gfc_namespace *combiner_ns; 1724 1725 struct gfc_symbol *omp_priv; 1726 struct gfc_symbol *omp_orig; 1727 struct gfc_namespace *initializer_ns; 1728 } 1729 gfc_omp_udr; 1730 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr) 1731 1732 typedef struct gfc_omp_namelist_udr 1733 { 1734 struct gfc_omp_udr *udr; 1735 struct gfc_code *combiner; 1736 struct gfc_code *initializer; 1737 } 1738 gfc_omp_namelist_udr; 1739 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr) 1740 1741 /* The gfc_st_label structure is a BBT attached to a namespace that 1742 records the usage of statement labels within that space. */ 1743 1744 typedef struct gfc_st_label 1745 { 1746 BBT_HEADER(gfc_st_label); 1747 1748 int value; 1749 1750 gfc_sl_type defined, referenced; 1751 1752 struct gfc_expr *format; 1753 1754 tree backend_decl; 1755 1756 locus where; 1757 1758 gfc_namespace *ns; 1759 } 1760 gfc_st_label; 1761 1762 1763 /* gfc_interface()-- Interfaces are lists of symbols strung together. */ 1764 typedef struct gfc_interface 1765 { 1766 struct gfc_symbol *sym; 1767 locus where; 1768 struct gfc_interface *next; 1769 } 1770 gfc_interface; 1771 1772 #define gfc_get_interface() XCNEW (gfc_interface) 1773 1774 /* User operator nodes. These are like stripped down symbols. */ 1775 typedef struct 1776 { 1777 const char *name; 1778 1779 gfc_interface *op; 1780 struct gfc_namespace *ns; 1781 gfc_access access; 1782 } 1783 gfc_user_op; 1784 1785 1786 /* A list of specific bindings that are associated with a generic spec. */ 1787 typedef struct gfc_tbp_generic 1788 { 1789 /* The parser sets specific_st, upon resolution we look for the corresponding 1790 gfc_typebound_proc and set specific for further use. */ 1791 struct gfc_symtree* specific_st; 1792 struct gfc_typebound_proc* specific; 1793 1794 struct gfc_tbp_generic* next; 1795 bool is_operator; 1796 } 1797 gfc_tbp_generic; 1798 1799 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic) 1800 1801 1802 /* Data needed for type-bound procedures. */ 1803 typedef struct gfc_typebound_proc 1804 { 1805 locus where; /* Where the PROCEDURE/GENERIC definition was. */ 1806 1807 union 1808 { 1809 struct gfc_symtree* specific; /* The interface if DEFERRED. */ 1810 gfc_tbp_generic* generic; 1811 } 1812 u; 1813 1814 gfc_access access; 1815 const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */ 1816 1817 /* The overridden type-bound proc (or GENERIC with this name in the 1818 parent-type) or NULL if non. */ 1819 struct gfc_typebound_proc* overridden; 1820 1821 /* Once resolved, we use the position of pass_arg in the formal arglist of 1822 the binding-target procedure to identify it. The first argument has 1823 number 1 here, the second 2, and so on. */ 1824 unsigned pass_arg_num; 1825 1826 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */ 1827 unsigned non_overridable:1; 1828 unsigned deferred:1; 1829 unsigned is_generic:1; 1830 unsigned function:1, subroutine:1; 1831 unsigned error:1; /* Ignore it, when an error occurred during resolution. */ 1832 unsigned ppc:1; 1833 } 1834 gfc_typebound_proc; 1835 1836 1837 /* Symbol nodes. These are important things. They are what the 1838 standard refers to as "entities". The possibly multiple names that 1839 refer to the same entity are accomplished by a binary tree of 1840 symtree structures that is balanced by the red-black method-- more 1841 than one symtree node can point to any given symbol. */ 1842 1843 typedef struct gfc_symbol 1844 { 1845 const char *name; /* Primary name, before renaming */ 1846 const char *module; /* Module this symbol came from */ 1847 locus declared_at; 1848 1849 gfc_typespec ts; 1850 symbol_attribute attr; 1851 1852 /* The formal member points to the formal argument list if the 1853 symbol is a function or subroutine name. If the symbol is a 1854 generic name, the generic member points to the list of 1855 interfaces. */ 1856 1857 gfc_interface *generic; 1858 gfc_access component_access; 1859 1860 gfc_formal_arglist *formal; 1861 struct gfc_namespace *formal_ns; 1862 struct gfc_namespace *f2k_derived; 1863 1864 /* List of PDT parameter expressions */ 1865 struct gfc_actual_arglist *param_list; 1866 1867 struct gfc_expr *value; /* Parameter/Initializer value */ 1868 gfc_array_spec *as; 1869 struct gfc_symbol *result; /* function result symbol */ 1870 gfc_component *components; /* Derived type components */ 1871 1872 /* Defined only for Cray pointees; points to their pointer. */ 1873 struct gfc_symbol *cp_pointer; 1874 1875 int entry_id; /* Used in resolve.cc for entries. */ 1876 1877 /* CLASS hashed name for declared and dynamic types in the class. */ 1878 int hash_value; 1879 1880 struct gfc_symbol *common_next; /* Links for COMMON syms */ 1881 1882 /* This is only used for pointer comparisons to check if symbols 1883 are in the same common block. 1884 In opposition to common_block, the common_head pointer takes into account 1885 equivalences: if A is in a common block C and A and B are in equivalence, 1886 then both A and B have common_head pointing to C, while A's common_block 1887 points to C and B's is NULL. */ 1888 struct gfc_common_head* common_head; 1889 1890 /* Make sure initialization code is generated in the correct order. */ 1891 int decl_order; 1892 1893 gfc_namelist *namelist, *namelist_tail; 1894 1895 /* The tlink field is used in the front end to carry the module 1896 declaration of separate module procedures so that the characteristics 1897 can be compared with the corresponding declaration in a submodule. In 1898 translation this field carries a linked list of symbols that require 1899 deferred initialization. */ 1900 struct gfc_symbol *tlink; 1901 1902 /* Change management fields. Symbols that might be modified by the 1903 current statement have the mark member nonzero. Of these symbols, 1904 symbols with old_symbol equal to NULL are symbols created within 1905 the current statement. Otherwise, old_symbol points to a copy of 1906 the old symbol. gfc_new is used in symbol.cc to flag new symbols. 1907 comp_mark is used to indicate variables which have component accesses 1908 in OpenMP/OpenACC directive clauses (cf. c-typeck.cc:c_finish_omp_clauses, 1909 map_field_head). 1910 data_mark is used to check duplicate mappings for OpenMP data-sharing 1911 clauses (see firstprivate_head/lastprivate_head in the above function). 1912 dev_mark is used to check duplicate mappings for OpenMP 1913 is_device_ptr/has_device_addr clauses (see is_on_device_head in above 1914 function). 1915 gen_mark is used to check duplicate mappings for OpenMP 1916 use_device_ptr/use_device_addr/private/shared clauses (see generic_head in 1917 above functon). 1918 reduc_mark is used to check duplicate mappings for OpenMP reduction 1919 clauses. */ 1920 struct gfc_symbol *old_symbol; 1921 unsigned mark:1, comp_mark:1, data_mark:1, dev_mark:1, gen_mark:1; 1922 unsigned reduc_mark:1, gfc_new:1; 1923 1924 /* Nonzero if all equivalences associated with this symbol have been 1925 processed. */ 1926 unsigned equiv_built:1; 1927 /* Set if this variable is used as an index name in a FORALL. */ 1928 unsigned forall_index:1; 1929 /* Set if the symbol is used in a function result specification . */ 1930 unsigned fn_result_spec:1; 1931 /* Set if the symbol spec. depends on an old-style function result. */ 1932 unsigned fn_result_dep:1; 1933 /* Used to avoid multiple resolutions of a single symbol. */ 1934 /* = 2 if this has already been resolved as an intrinsic, 1935 in gfc_resolve_intrinsic, 1936 = 1 if it has been resolved in resolve_symbol. */ 1937 unsigned resolve_symbol_called:2; 1938 /* Set if this is a module function or subroutine with the 1939 abbreviated declaration in a submodule. */ 1940 unsigned abr_modproc_decl:1; 1941 /* Set if a previous error or warning has occurred and no other 1942 should be reported. */ 1943 unsigned error:1; 1944 /* Set if the dummy argument of a procedure could be an array despite 1945 being called with a scalar actual argument. */ 1946 unsigned maybe_array:1; 1947 /* Set if this should be passed by value, but is not a VALUE argument 1948 according to the Fortran standard. */ 1949 unsigned pass_as_value:1; 1950 /* Set if an allocatable array variable has been allocated in the current 1951 scope. Used in the suppression of uninitialized warnings in reallocation 1952 on assignment. */ 1953 unsigned allocated_in_scope:1; 1954 1955 /* Reference counter, used for memory management. 1956 1957 Some symbols may be present in more than one namespace, for example 1958 function and subroutine symbols are present both in the outer namespace and 1959 the procedure body namespace. Freeing symbols with the namespaces they are 1960 in would result in double free for those symbols. This field counts 1961 references and is used to delay the memory release until the last reference 1962 to the symbol is removed. 1963 1964 Not every symbol pointer is accounted for reference counting. Fields 1965 gfc_symtree::n::sym are, and gfc_finalizer::proc_sym as well. But most of 1966 them (dummy arguments, generic list elements, etc) are "weak" pointers; 1967 the reference count isn't updated when they are assigned, and they are 1968 ignored when the surrounding structure memory is released. This is not a 1969 problem because there is always a namespace as surrounding context and 1970 symbols have a name they can be referred with in that context, so the 1971 namespace keeps the symbol from being freed, keeping the pointer valid. 1972 When the namespace ceases to exist, and the symbols with it, the other 1973 structures referencing symbols cease to exist as well. */ 1974 int refs; 1975 1976 struct gfc_namespace *ns; /* namespace containing this symbol */ 1977 1978 tree backend_decl; 1979 1980 /* Identity of the intrinsic module the symbol comes from, or 1981 INTMOD_NONE if it's not imported from a intrinsic module. */ 1982 intmod_id from_intmod; 1983 /* Identity of the symbol from intrinsic modules, from enums maintained 1984 separately by each intrinsic module. Used together with from_intmod, 1985 it uniquely identifies a symbol from an intrinsic module. */ 1986 int intmod_sym_id; 1987 1988 /* This may be repetitive, since the typespec now has a binding 1989 label field. */ 1990 const char* binding_label; 1991 /* Store a reference to the common_block, if this symbol is in one. */ 1992 struct gfc_common_head *common_block; 1993 1994 /* Link to corresponding association-list if this is an associate name. */ 1995 struct gfc_association_list *assoc; 1996 1997 /* Link to next entry in derived type list */ 1998 struct gfc_symbol *dt_next; 1999 } 2000 gfc_symbol; 2001 2002 2003 struct gfc_undo_change_set 2004 { 2005 vec<gfc_symbol *> syms; 2006 vec<gfc_typebound_proc *> tbps; 2007 gfc_undo_change_set *previous; 2008 }; 2009 2010 2011 /* This structure is used to keep track of symbols in common blocks. */ 2012 typedef struct gfc_common_head 2013 { 2014 locus where; 2015 char use_assoc, saved, threadprivate; 2016 unsigned char omp_declare_target : 1; 2017 unsigned char omp_declare_target_link : 1; 2018 ENUM_BITFIELD (gfc_omp_device_type) omp_device_type:2; 2019 /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */ 2020 char name[2*GFC_MAX_SYMBOL_LEN + 1 + 14 + 1]; 2021 struct gfc_symbol *head; 2022 const char* binding_label; 2023 int is_bind_c; 2024 int refs; 2025 } 2026 gfc_common_head; 2027 2028 #define gfc_get_common_head() XCNEW (gfc_common_head) 2029 2030 2031 /* A list of all the alternate entry points for a procedure. */ 2032 2033 typedef struct gfc_entry_list 2034 { 2035 /* The symbol for this entry point. */ 2036 gfc_symbol *sym; 2037 /* The zero-based id of this entry point. */ 2038 int id; 2039 /* The LABEL_EXPR marking this entry point. */ 2040 tree label; 2041 /* The next item in the list. */ 2042 struct gfc_entry_list *next; 2043 } 2044 gfc_entry_list; 2045 2046 #define gfc_get_entry_list() XCNEW (gfc_entry_list) 2047 2048 /* Lists of rename info for the USE statement. */ 2049 2050 typedef struct gfc_use_rename 2051 { 2052 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1]; 2053 struct gfc_use_rename *next; 2054 int found; 2055 gfc_intrinsic_op op; 2056 locus where; 2057 } 2058 gfc_use_rename; 2059 2060 #define gfc_get_use_rename() XCNEW (gfc_use_rename); 2061 2062 /* A list of all USE statements in a namespace. */ 2063 2064 typedef struct gfc_use_list 2065 { 2066 const char *module_name; 2067 const char *submodule_name; 2068 bool intrinsic; 2069 bool non_intrinsic; 2070 bool only_flag; 2071 struct gfc_use_rename *rename; 2072 locus where; 2073 /* Next USE statement. */ 2074 struct gfc_use_list *next; 2075 } 2076 gfc_use_list; 2077 2078 #define gfc_get_use_list() XCNEW (gfc_use_list) 2079 2080 /* Within a namespace, symbols are pointed to by symtree nodes that 2081 are linked together in a balanced binary tree. There can be 2082 several symtrees pointing to the same symbol node via USE 2083 statements. */ 2084 2085 typedef struct gfc_symtree 2086 { 2087 BBT_HEADER (gfc_symtree); 2088 const char *name; 2089 int ambiguous; 2090 union 2091 { 2092 gfc_symbol *sym; /* Symbol associated with this node */ 2093 gfc_user_op *uop; 2094 gfc_common_head *common; 2095 gfc_typebound_proc *tb; 2096 gfc_omp_udr *omp_udr; 2097 } 2098 n; 2099 } 2100 gfc_symtree; 2101 2102 /* A list of all derived types. */ 2103 extern gfc_symbol *gfc_derived_types; 2104 2105 typedef struct gfc_oacc_routine_name 2106 { 2107 struct gfc_symbol *sym; 2108 struct gfc_omp_clauses *clauses; 2109 struct gfc_oacc_routine_name *next; 2110 locus loc; 2111 } 2112 gfc_oacc_routine_name; 2113 2114 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name) 2115 2116 /* Node in linked list to see what has already been finalized 2117 earlier. */ 2118 2119 typedef struct gfc_was_finalized { 2120 gfc_expr *e; 2121 gfc_component *c; 2122 struct gfc_was_finalized *next; 2123 } 2124 gfc_was_finalized; 2125 2126 /* A namespace describes the contents of procedure, module, interface block 2127 or BLOCK construct. */ 2128 /* ??? Anything else use these? */ 2129 2130 typedef struct gfc_namespace 2131 { 2132 /* Tree containing all the symbols in this namespace. */ 2133 gfc_symtree *sym_root; 2134 /* Tree containing all the user-defined operators in the namespace. */ 2135 gfc_symtree *uop_root; 2136 /* Tree containing all the common blocks. */ 2137 gfc_symtree *common_root; 2138 /* Tree containing all the OpenMP user defined reductions. */ 2139 gfc_symtree *omp_udr_root; 2140 2141 /* Tree containing type-bound procedures. */ 2142 gfc_symtree *tb_sym_root; 2143 /* Type-bound user operators. */ 2144 gfc_symtree *tb_uop_root; 2145 /* For derived-types, store type-bound intrinsic operators here. */ 2146 gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS]; 2147 /* Linked list of finalizer procedures. */ 2148 struct gfc_finalizer *finalizers; 2149 2150 /* If set_flag[letter] is set, an implicit type has been set for letter. */ 2151 int set_flag[GFC_LETTERS]; 2152 /* Keeps track of the implicit types associated with the letters. */ 2153 gfc_typespec default_type[GFC_LETTERS]; 2154 /* Store the positions of IMPLICIT statements. */ 2155 locus implicit_loc[GFC_LETTERS]; 2156 2157 /* If this is a namespace of a procedure, this points to the procedure. */ 2158 struct gfc_symbol *proc_name; 2159 /* If this is the namespace of a unit which contains executable 2160 code, this points to it. */ 2161 struct gfc_code *code; 2162 2163 /* Points to the equivalences set up in this namespace. */ 2164 struct gfc_equiv *equiv, *old_equiv; 2165 2166 /* Points to the equivalence groups produced by trans_common. */ 2167 struct gfc_equiv_list *equiv_lists; 2168 2169 gfc_interface *op[GFC_INTRINSIC_OPS]; 2170 2171 /* Points to the parent namespace, i.e. the namespace of a module or 2172 procedure in which the procedure belonging to this namespace is 2173 contained. The parent namespace points to this namespace either 2174 directly via CONTAINED, or indirectly via the chain built by 2175 SIBLING. */ 2176 struct gfc_namespace *parent; 2177 /* CONTAINED points to the first contained namespace. Sibling 2178 namespaces are chained via SIBLING. */ 2179 struct gfc_namespace *contained, *sibling; 2180 2181 gfc_common_head blank_common; 2182 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; 2183 2184 gfc_st_label *st_labels; 2185 /* This list holds information about all the data initializers in 2186 this namespace. */ 2187 struct gfc_data *data, *old_data; 2188 2189 /* !$ACC DECLARE. */ 2190 gfc_oacc_declare *oacc_declare; 2191 2192 /* !$ACC ROUTINE clauses. */ 2193 gfc_omp_clauses *oacc_routine_clauses; 2194 2195 /* !$ACC TASK AFFINITY iterator symbols. */ 2196 gfc_symbol *omp_affinity_iterators; 2197 2198 /* !$ACC ROUTINE names. */ 2199 gfc_oacc_routine_name *oacc_routine_names; 2200 2201 gfc_charlen *cl_list; 2202 2203 gfc_symbol *derived_types; 2204 2205 int save_all, seen_save, seen_implicit_none; 2206 2207 /* Normally we don't need to refcount namespaces. However when we read 2208 a module containing a function with multiple entry points, this 2209 will appear as several functions with the same formal namespace. */ 2210 int refs; 2211 2212 /* A list of all alternate entry points to this procedure (or NULL). */ 2213 gfc_entry_list *entries; 2214 2215 /* A list of USE statements in this namespace. */ 2216 gfc_use_list *use_stmts; 2217 2218 /* Linked list of !$omp declare simd constructs. */ 2219 struct gfc_omp_declare_simd *omp_declare_simd; 2220 2221 /* Linked list of !$omp declare variant constructs. */ 2222 struct gfc_omp_declare_variant *omp_declare_variant; 2223 2224 /* OpenMP assumptions and allocate for static/stack vars. */ 2225 struct gfc_omp_assumptions *omp_assumes; 2226 struct gfc_omp_namelist *omp_allocate; 2227 2228 /* A hash set for the gfc expressions that have already 2229 been finalized in this namespace. */ 2230 2231 gfc_was_finalized *was_finalized; 2232 2233 /* Set to 1 if namespace is a BLOCK DATA program unit. */ 2234 unsigned is_block_data:1; 2235 2236 /* Set to 1 if namespace is an interface body with "IMPORT" used. */ 2237 unsigned has_import_set:1; 2238 2239 /* Set to 1 if the namespace uses "IMPLICIT NONE (export)". */ 2240 unsigned has_implicit_none_export:1; 2241 2242 /* Set to 1 if resolved has been called for this namespace. 2243 Holds -1 during resolution. */ 2244 signed resolved:2; 2245 2246 /* Set when resolve_types has been called for this namespace. */ 2247 unsigned types_resolved:1; 2248 2249 /* Set if the associate_name in a select type statement is an 2250 inferred type. */ 2251 unsigned assoc_name_inferred:1; 2252 2253 /* Set to 1 if code has been generated for this namespace. */ 2254 unsigned translated:1; 2255 2256 /* Set to 1 if symbols in this namespace should be 'construct entities', 2257 i.e. for BLOCK local variables. */ 2258 unsigned construct_entities:1; 2259 2260 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */ 2261 unsigned omp_udr_ns:1; 2262 2263 /* Set to 1 for !$ACC ROUTINE namespaces. */ 2264 unsigned oacc_routine:1; 2265 2266 /* Set to 1 if there are any calls to procedures with implicit interface. */ 2267 unsigned implicit_interface_calls:1; 2268 2269 /* OpenMP requires. */ 2270 unsigned omp_requires:7; 2271 unsigned omp_target_seen:1; 2272 2273 /* Set to 1 if this is an implicit OMP structured block. */ 2274 unsigned omp_structured_block:1; 2275 } 2276 gfc_namespace; 2277 2278 extern gfc_namespace *gfc_current_ns; 2279 extern gfc_namespace *gfc_global_ns_list; 2280 2281 /* Global symbols are symbols of global scope. Currently we only use 2282 this to detect collisions already when parsing. 2283 TODO: Extend to verify procedure calls. */ 2284 2285 enum gfc_symbol_type 2286 { 2287 GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, 2288 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA 2289 }; 2290 2291 typedef struct gfc_gsymbol 2292 { 2293 BBT_HEADER(gfc_gsymbol); 2294 2295 const char *name; 2296 const char *sym_name; 2297 const char *mod_name; 2298 const char *binding_label; 2299 enum gfc_symbol_type type; 2300 2301 int defined, used; 2302 bool bind_c; 2303 locus where; 2304 gfc_namespace *ns; 2305 } 2306 gfc_gsymbol; 2307 2308 extern gfc_gsymbol *gfc_gsym_root; 2309 2310 /* Information on interfaces being built. */ 2311 typedef struct 2312 { 2313 interface_type type; 2314 gfc_symbol *sym; 2315 gfc_namespace *ns; 2316 gfc_user_op *uop; 2317 gfc_intrinsic_op op; 2318 } 2319 gfc_interface_info; 2320 2321 extern gfc_interface_info current_interface; 2322 2323 2324 /* Array reference. */ 2325 2326 enum gfc_array_ref_dimen_type 2327 { 2328 DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN 2329 }; 2330 2331 typedef struct gfc_array_ref 2332 { 2333 ar_type type; 2334 int dimen; /* # of components in the reference */ 2335 int codimen; 2336 bool in_allocate; /* For coarray checks. */ 2337 gfc_expr *team; 2338 gfc_expr *stat; 2339 locus where; 2340 gfc_array_spec *as; 2341 2342 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ 2343 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], 2344 *stride[GFC_MAX_DIMENSIONS]; 2345 2346 enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS]; 2347 } 2348 gfc_array_ref; 2349 2350 #define gfc_get_array_ref() XCNEW (gfc_array_ref) 2351 2352 2353 /* Component reference nodes. A variable is stored as an expression 2354 node that points to the base symbol. After that, a singly linked 2355 list of component reference nodes gives the variable's complete 2356 resolution. The array_ref component may be present and comes 2357 before the component component. */ 2358 2359 enum ref_type 2360 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING, REF_INQUIRY }; 2361 2362 enum inquiry_type 2363 { INQUIRY_RE, INQUIRY_IM, INQUIRY_KIND, INQUIRY_LEN }; 2364 2365 typedef struct gfc_ref 2366 { 2367 ref_type type; 2368 2369 union 2370 { 2371 struct gfc_array_ref ar; 2372 2373 struct 2374 { 2375 gfc_component *component; 2376 gfc_symbol *sym; 2377 } 2378 c; 2379 2380 struct 2381 { 2382 struct gfc_expr *start, *end; /* Substring */ 2383 gfc_charlen *length; 2384 } 2385 ss; 2386 2387 inquiry_type i; 2388 2389 } 2390 u; 2391 2392 struct gfc_ref *next; 2393 } 2394 gfc_ref; 2395 2396 #define gfc_get_ref() XCNEW (gfc_ref) 2397 2398 2399 /* Structures representing intrinsic symbols and their arguments lists. */ 2400 typedef struct gfc_intrinsic_arg 2401 { 2402 char name[GFC_MAX_SYMBOL_LEN + 1]; 2403 2404 gfc_typespec ts; 2405 unsigned optional:1, value:1; 2406 ENUM_BITFIELD (sym_intent) intent:2; 2407 2408 struct gfc_intrinsic_arg *next; 2409 } 2410 gfc_intrinsic_arg; 2411 2412 2413 typedef enum { 2414 GFC_UNDEFINED_DUMMY_ARG = 0, 2415 GFC_INTRINSIC_DUMMY_ARG, 2416 GFC_NON_INTRINSIC_DUMMY_ARG 2417 } 2418 gfc_dummy_arg_intrinsicness; 2419 2420 /* dummy arg of either an intrinsic or a user-defined procedure. */ 2421 struct gfc_dummy_arg 2422 { 2423 gfc_dummy_arg_intrinsicness intrinsicness; 2424 2425 union { 2426 gfc_intrinsic_arg *intrinsic; 2427 gfc_formal_arglist *non_intrinsic; 2428 } u; 2429 }; 2430 2431 #define gfc_get_dummy_arg() XCNEW (gfc_dummy_arg) 2432 2433 2434 const char * gfc_dummy_arg_get_name (gfc_dummy_arg &); 2435 const gfc_typespec & gfc_dummy_arg_get_typespec (gfc_dummy_arg &); 2436 bool gfc_dummy_arg_is_optional (gfc_dummy_arg &); 2437 2438 2439 /* Specifies the various kinds of check functions used to verify the 2440 argument lists of intrinsic functions. fX with X an integer refer 2441 to check functions of intrinsics with X arguments. f1m is used for 2442 the MAX and MIN intrinsics which can have an arbitrary number of 2443 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as 2444 these have special semantics. */ 2445 2446 typedef union 2447 { 2448 bool (*f0)(void); 2449 bool (*f1)(struct gfc_expr *); 2450 bool (*f1m)(gfc_actual_arglist *); 2451 bool (*f2)(struct gfc_expr *, struct gfc_expr *); 2452 bool (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 2453 bool (*f5ml)(gfc_actual_arglist *); 2454 bool (*f6fl)(gfc_actual_arglist *); 2455 bool (*f3red)(gfc_actual_arglist *); 2456 bool (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2457 struct gfc_expr *); 2458 bool (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2459 struct gfc_expr *, struct gfc_expr *); 2460 } 2461 gfc_check_f; 2462 2463 /* Like gfc_check_f, these specify the type of the simplification 2464 function associated with an intrinsic. The fX are just like in 2465 gfc_check_f. cc is used for type conversion functions. */ 2466 2467 typedef union 2468 { 2469 struct gfc_expr *(*f0)(void); 2470 struct gfc_expr *(*f1)(struct gfc_expr *); 2471 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); 2472 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, 2473 struct gfc_expr *); 2474 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, 2475 struct gfc_expr *, struct gfc_expr *); 2476 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, 2477 struct gfc_expr *, struct gfc_expr *, 2478 struct gfc_expr *); 2479 struct gfc_expr *(*f6)(struct gfc_expr *, struct gfc_expr *, 2480 struct gfc_expr *, struct gfc_expr *, 2481 struct gfc_expr *, struct gfc_expr *); 2482 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); 2483 } 2484 gfc_simplify_f; 2485 2486 /* Again like gfc_check_f, these specify the type of the resolution 2487 function associated with an intrinsic. The fX are just like in 2488 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ 2489 2490 typedef union 2491 { 2492 void (*f0)(struct gfc_expr *); 2493 void (*f1)(struct gfc_expr *, struct gfc_expr *); 2494 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); 2495 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 2496 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2497 struct gfc_expr *); 2498 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2499 struct gfc_expr *, struct gfc_expr *); 2500 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2501 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 2502 void (*f6)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2503 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 2504 struct gfc_expr *); 2505 void (*s1)(struct gfc_code *); 2506 } 2507 gfc_resolve_f; 2508 2509 2510 typedef struct gfc_intrinsic_sym 2511 { 2512 const char *name, *lib_name; 2513 gfc_intrinsic_arg *formal; 2514 gfc_typespec ts; 2515 unsigned elemental:1, inquiry:1, transformational:1, pure:1, 2516 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1, 2517 from_module:1, vararg:1; 2518 2519 int standard; 2520 2521 gfc_simplify_f simplify; 2522 gfc_check_f check; 2523 gfc_resolve_f resolve; 2524 struct gfc_intrinsic_sym *specific_head, *next; 2525 gfc_isym_id id; 2526 2527 } 2528 gfc_intrinsic_sym; 2529 2530 2531 /* Expression nodes. The expression node types deserve explanations, 2532 since the last couple can be easily misconstrued: 2533 2534 EXPR_OP Operator node pointing to one or two other nodes 2535 EXPR_FUNCTION Function call, symbol points to function's name 2536 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex 2537 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list 2538 which expresses structure, array and substring refs. 2539 EXPR_NULL The NULL pointer value (which also has a basic type). 2540 EXPR_SUBSTRING A substring of a constant string 2541 EXPR_STRUCTURE A structure constructor 2542 EXPR_ARRAY An array constructor. 2543 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer 2544 component or type-bound procedure. */ 2545 2546 #include <mpfr.h> 2547 #include <mpc.h> 2548 #define GFC_RND_MODE MPFR_RNDN 2549 #define GFC_MPC_RND_MODE MPC_RNDNN 2550 2551 typedef splay_tree gfc_constructor_base; 2552 2553 2554 /* This should be an unsigned variable of type size_t. But to handle 2555 compiling to a 64-bit target from a 32-bit host, we need to use a 2556 HOST_WIDE_INT. Also, occasionally the string length field is used 2557 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars. 2558 So it needs to be signed. */ 2559 typedef HOST_WIDE_INT gfc_charlen_t; 2560 2561 typedef struct gfc_expr 2562 { 2563 expr_t expr_type; 2564 2565 gfc_typespec ts; /* These two refer to the overall expression */ 2566 2567 int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */ 2568 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ 2569 2570 /* Nonnull for functions and structure constructors, may also used to hold the 2571 base-object for component calls. */ 2572 gfc_symtree *symtree; 2573 2574 gfc_ref *ref; 2575 2576 locus where; 2577 2578 /* Used to store the base expression in component calls, when the expression 2579 is not a variable. */ 2580 struct gfc_expr *base_expr; 2581 2582 /* is_snan denotes a signalling not-a-number. */ 2583 unsigned int is_snan : 1; 2584 2585 /* Sometimes, when an error has been emitted, it is necessary to prevent 2586 it from recurring. */ 2587 unsigned int error : 1; 2588 2589 /* Mark an expression where a user operator has been substituted by 2590 a function call in interface.cc(gfc_extend_expr). */ 2591 unsigned int user_operator : 1; 2592 2593 /* Mark an expression as being a MOLD argument of ALLOCATE. */ 2594 unsigned int mold : 1; 2595 2596 /* Will require finalization after use. */ 2597 unsigned int must_finalize : 1; 2598 2599 /* Set this if no range check should be performed on this expression. */ 2600 2601 unsigned int no_bounds_check : 1; 2602 2603 /* Set this if a matmul expression has already been evaluated for conversion 2604 to a BLAS call. */ 2605 2606 unsigned int external_blas : 1; 2607 2608 /* Set this if resolution has already happened. It could be harmful 2609 if done again. */ 2610 2611 unsigned int do_not_resolve_again : 1; 2612 2613 /* Set this if no warning should be given somewhere in a lower level. */ 2614 2615 unsigned int do_not_warn : 1; 2616 2617 /* Set this if the expression came from expanding an array constructor. */ 2618 unsigned int from_constructor : 1; 2619 2620 /* If an expression comes from a Hollerith constant or compile-time 2621 evaluation of a transfer statement, it may have a prescribed target- 2622 memory representation, and these cannot always be backformed from 2623 the value. */ 2624 struct 2625 { 2626 gfc_charlen_t length; 2627 char *string; 2628 } 2629 representation; 2630 2631 struct 2632 { 2633 int len; /* Length of BOZ string without terminating NULL. */ 2634 int rdx; /* Radix of BOZ. */ 2635 char *str; /* BOZ string with NULL terminating character. */ 2636 } 2637 boz; 2638 2639 union 2640 { 2641 int logical; 2642 2643 io_kind iokind; 2644 2645 mpz_t integer; 2646 2647 mpfr_t real; 2648 2649 mpc_t complex; 2650 2651 struct 2652 { 2653 gfc_intrinsic_op op; 2654 gfc_user_op *uop; 2655 struct gfc_expr *op1, *op2; 2656 } 2657 op; 2658 2659 struct 2660 { 2661 gfc_actual_arglist *actual; 2662 const char *name; /* Points to the ultimate name of the function */ 2663 gfc_intrinsic_sym *isym; 2664 gfc_symbol *esym; 2665 } 2666 function; 2667 2668 struct 2669 { 2670 gfc_actual_arglist* actual; 2671 const char* name; 2672 /* Base-object, whose component was called. NULL means that it should 2673 be taken from symtree/ref. */ 2674 struct gfc_expr* base_object; 2675 gfc_typebound_proc* tbp; /* Should overlap with esym. */ 2676 2677 /* For type-bound operators, we want to call PASS procedures but already 2678 have the full arglist; mark this, so that it is not extended by the 2679 PASS argument. */ 2680 unsigned ignore_pass:1; 2681 2682 /* Do assign-calls rather than calls, that is appropriate dependency 2683 checking. */ 2684 unsigned assign:1; 2685 } 2686 compcall; 2687 2688 struct 2689 { 2690 gfc_charlen_t length; 2691 gfc_char_t *string; 2692 } 2693 character; 2694 2695 gfc_constructor_base constructor; 2696 } 2697 value; 2698 2699 /* Used to store PDT expression lists associated with expressions. */ 2700 gfc_actual_arglist *param_list; 2701 2702 } 2703 gfc_expr; 2704 2705 2706 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank))) 2707 2708 /* Structures for information associated with different kinds of 2709 numbers. The first set of integer parameters define all there is 2710 to know about a particular kind. The rest of the elements are 2711 computed from the first elements. */ 2712 2713 typedef struct 2714 { 2715 /* Values really representable by the target. */ 2716 mpz_t huge, pedantic_min_int, min_int; 2717 2718 int kind, radix, digits, bit_size, range; 2719 2720 /* True if the C type of the given name maps to this precision. 2721 Note that more than one bit can be set. */ 2722 unsigned int c_char : 1; 2723 unsigned int c_short : 1; 2724 unsigned int c_int : 1; 2725 unsigned int c_long : 1; 2726 unsigned int c_long_long : 1; 2727 } 2728 gfc_integer_info; 2729 2730 extern gfc_integer_info gfc_integer_kinds[]; 2731 2732 2733 typedef struct 2734 { 2735 int kind, bit_size; 2736 2737 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ 2738 unsigned int c_bool : 1; 2739 } 2740 gfc_logical_info; 2741 2742 extern gfc_logical_info gfc_logical_kinds[]; 2743 2744 2745 typedef struct 2746 { 2747 mpfr_t epsilon, huge, tiny, subnormal; 2748 int kind, abi_kind, radix, digits, min_exponent, max_exponent; 2749 int range, precision; 2750 2751 /* The precision of the type as reported by GET_MODE_PRECISION. */ 2752 int mode_precision; 2753 2754 /* True if the C type of the given name maps to this precision. 2755 Note that more than one bit can be set. */ 2756 unsigned int c_float : 1; 2757 unsigned int c_double : 1; 2758 unsigned int c_long_double : 1; 2759 unsigned int c_float128 : 1; 2760 /* True if for _Float128 C23 IEC 60559 *f128 APIs should be used 2761 instead of libquadmath *q APIs. */ 2762 unsigned int use_iec_60559 : 1; 2763 } 2764 gfc_real_info; 2765 2766 extern gfc_real_info gfc_real_kinds[]; 2767 2768 typedef struct 2769 { 2770 int kind, bit_size; 2771 const char *name; 2772 } 2773 gfc_character_info; 2774 2775 extern gfc_character_info gfc_character_kinds[]; 2776 2777 2778 /* Equivalence structures. Equivalent lvalues are linked along the 2779 *eq pointer, equivalence sets are strung along the *next node. */ 2780 typedef struct gfc_equiv 2781 { 2782 struct gfc_equiv *next, *eq; 2783 gfc_expr *expr; 2784 const char *module; 2785 int used; 2786 } 2787 gfc_equiv; 2788 2789 #define gfc_get_equiv() XCNEW (gfc_equiv) 2790 2791 /* Holds a single equivalence member after processing. */ 2792 typedef struct gfc_equiv_info 2793 { 2794 gfc_symbol *sym; 2795 HOST_WIDE_INT offset; 2796 HOST_WIDE_INT length; 2797 struct gfc_equiv_info *next; 2798 } gfc_equiv_info; 2799 2800 /* Holds equivalence groups, after they have been processed. */ 2801 typedef struct gfc_equiv_list 2802 { 2803 gfc_equiv_info *equiv; 2804 struct gfc_equiv_list *next; 2805 } gfc_equiv_list; 2806 2807 /* gfc_case stores the selector list of a case statement. The *low 2808 and *high pointers can point to the same expression in the case of 2809 a single value. If *high is NULL, the selection is from *low 2810 upwards, if *low is NULL the selection is *high downwards. 2811 2812 This structure has separate fields to allow single and double linked 2813 lists of CASEs at the same time. The singe linked list along the NEXT 2814 field is a list of cases for a single CASE label. The double linked 2815 list along the LEFT/RIGHT fields is used to detect overlap and to 2816 build a table of the cases for SELECT constructs with a CHARACTER 2817 case expression. */ 2818 2819 typedef struct gfc_case 2820 { 2821 /* Where we saw this case. */ 2822 locus where; 2823 int n; 2824 2825 /* Case range values. If (low == high), it's a single value. If one of 2826 the labels is NULL, it's an unbounded case. If both are NULL, this 2827 represents the default case. */ 2828 gfc_expr *low, *high; 2829 2830 /* Only used for SELECT TYPE. */ 2831 gfc_typespec ts; 2832 2833 /* Next case label in the list of cases for a single CASE label. */ 2834 struct gfc_case *next; 2835 2836 /* Used for detecting overlap, and for code generation. */ 2837 struct gfc_case *left, *right; 2838 2839 /* True if this case label can never be matched. */ 2840 int unreachable; 2841 } 2842 gfc_case; 2843 2844 #define gfc_get_case() XCNEW (gfc_case) 2845 2846 2847 /* Annotations for loop constructs. */ 2848 typedef struct 2849 { 2850 unsigned short unroll; 2851 bool ivdep; 2852 bool vector; 2853 bool novector; 2854 } 2855 gfc_loop_annot; 2856 2857 2858 typedef struct 2859 { 2860 gfc_expr *var, *start, *end, *step; 2861 gfc_loop_annot annot; 2862 } 2863 gfc_iterator; 2864 2865 #define gfc_get_iterator() XCNEW (gfc_iterator) 2866 2867 2868 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ 2869 2870 typedef struct gfc_alloc 2871 { 2872 gfc_expr *expr; 2873 struct gfc_alloc *next; 2874 } 2875 gfc_alloc; 2876 2877 #define gfc_get_alloc() XCNEW (gfc_alloc) 2878 2879 2880 typedef struct 2881 { 2882 gfc_expr *unit, *file, *status, *access, *form, *recl, 2883 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, 2884 *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit, 2885 *share, *cc; 2886 char readonly; 2887 gfc_st_label *err; 2888 } 2889 gfc_open; 2890 2891 2892 typedef struct 2893 { 2894 gfc_expr *unit, *status, *iostat, *iomsg; 2895 gfc_st_label *err; 2896 } 2897 gfc_close; 2898 2899 2900 typedef struct 2901 { 2902 gfc_expr *unit, *iostat, *iomsg; 2903 gfc_st_label *err; 2904 } 2905 gfc_filepos; 2906 2907 2908 typedef struct 2909 { 2910 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, 2911 *name, *access, *sequential, *direct, *form, *formatted, 2912 *unformatted, *recl, *nextrec, *blank, *position, *action, *read, 2913 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, 2914 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id, 2915 *iqstream, *share, *cc; 2916 2917 gfc_st_label *err; 2918 2919 } 2920 gfc_inquire; 2921 2922 2923 typedef struct 2924 { 2925 gfc_expr *unit, *iostat, *iomsg, *id; 2926 gfc_st_label *err, *end, *eor; 2927 } 2928 gfc_wait; 2929 2930 2931 typedef struct 2932 { 2933 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, 2934 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, 2935 *sign, *extra_comma, *dt_io_kind, *udtio; 2936 char dec_ext; 2937 2938 gfc_symbol *namelist; 2939 /* A format_label of `format_asterisk' indicates the "*" format */ 2940 gfc_st_label *format_label; 2941 gfc_st_label *err, *end, *eor; 2942 2943 locus eor_where, end_where, err_where; 2944 } 2945 gfc_dt; 2946 2947 2948 typedef struct gfc_forall_iterator 2949 { 2950 gfc_expr *var, *start, *end, *stride; 2951 gfc_loop_annot annot; 2952 struct gfc_forall_iterator *next; 2953 } 2954 gfc_forall_iterator; 2955 2956 2957 /* Linked list to store associations in an ASSOCIATE statement. */ 2958 2959 typedef struct gfc_association_list 2960 { 2961 struct gfc_association_list *next; 2962 2963 /* Whether this is association to a variable that can be changed; otherwise, 2964 it's association to an expression and the name may not be used as 2965 lvalue. */ 2966 unsigned variable:1; 2967 2968 /* True if this struct is currently only linked to from a gfc_symbol rather 2969 than as part of a real list in gfc_code->ext.block.assoc. This may 2970 happen for SELECT TYPE temporaries and must be considered 2971 for memory handling. */ 2972 unsigned dangling:1; 2973 2974 char name[GFC_MAX_SYMBOL_LEN + 1]; 2975 gfc_symtree *st; /* Symtree corresponding to name. */ 2976 locus where; 2977 2978 gfc_expr *target; 2979 2980 /* Used for inferring the derived type of an associate name, whose selector 2981 is a sibling derived type function that has not yet been parsed. */ 2982 gfc_symbol *derived_types; 2983 unsigned inferred_type:1; 2984 } 2985 gfc_association_list; 2986 #define gfc_get_association_list() XCNEW (gfc_association_list) 2987 2988 2989 /* Executable statements that fill gfc_code structures. */ 2990 enum gfc_exec_op 2991 { 2992 EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN, 2993 EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP, 2994 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, 2995 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, 2996 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE, 2997 EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, 2998 EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE, 2999 EXEC_SELECT_TYPE, EXEC_SELECT_RANK, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, 3000 EXEC_SYNC_IMAGES, EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, 3001 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, 3002 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, 3003 EXEC_FORM_TEAM, EXEC_CHANGE_TEAM, EXEC_END_TEAM, EXEC_SYNC_TEAM, 3004 EXEC_LOCK, EXEC_UNLOCK, EXEC_EVENT_POST, EXEC_EVENT_WAIT, EXEC_FAIL_IMAGE, 3005 EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP, EXEC_OACC_SERIAL_LOOP, 3006 EXEC_OACC_ROUTINE, EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_SERIAL, 3007 EXEC_OACC_DATA, EXEC_OACC_HOST_DATA, EXEC_OACC_LOOP, EXEC_OACC_UPDATE, 3008 EXEC_OACC_WAIT, EXEC_OACC_CACHE, EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA, 3009 EXEC_OACC_ATOMIC, EXEC_OACC_DECLARE, 3010 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, 3011 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, 3012 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, 3013 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, 3014 EXEC_OMP_ASSUME, EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, 3015 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, 3016 EXEC_OMP_TASKYIELD, EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT, 3017 EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD, 3018 EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA, 3019 EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD, 3020 EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD, 3021 EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE, 3022 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE, 3023 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD, 3024 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO, 3025 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO, 3026 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 3027 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD, 3028 EXEC_OMP_TARGET_UPDATE, EXEC_OMP_END_CRITICAL, 3029 EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA, 3030 EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO, 3031 EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD, 3032 EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD, EXEC_OMP_SCAN, EXEC_OMP_DEPOBJ, 3033 EXEC_OMP_PARALLEL_MASTER, EXEC_OMP_PARALLEL_MASTER_TASKLOOP, 3034 EXEC_OMP_PARALLEL_MASTER_TASKLOOP_SIMD, EXEC_OMP_MASTER_TASKLOOP, 3035 EXEC_OMP_MASTER_TASKLOOP_SIMD, EXEC_OMP_LOOP, EXEC_OMP_PARALLEL_LOOP, 3036 EXEC_OMP_TEAMS_LOOP, EXEC_OMP_TARGET_PARALLEL_LOOP, 3037 EXEC_OMP_TARGET_TEAMS_LOOP, EXEC_OMP_MASKED, EXEC_OMP_PARALLEL_MASKED, 3038 EXEC_OMP_PARALLEL_MASKED_TASKLOOP, EXEC_OMP_PARALLEL_MASKED_TASKLOOP_SIMD, 3039 EXEC_OMP_MASKED_TASKLOOP, EXEC_OMP_MASKED_TASKLOOP_SIMD, EXEC_OMP_SCOPE, 3040 EXEC_OMP_ERROR, EXEC_OMP_ALLOCATE, EXEC_OMP_ALLOCATORS 3041 }; 3042 3043 typedef struct gfc_code 3044 { 3045 gfc_exec_op op; 3046 3047 struct gfc_code *block, *next; 3048 locus loc; 3049 3050 gfc_st_label *here, *label1, *label2, *label3; 3051 gfc_symtree *symtree; 3052 gfc_expr *expr1, *expr2, *expr3, *expr4; 3053 /* A name isn't sufficient to identify a subroutine, we need the actual 3054 symbol for the interface definition. 3055 const char *sub_name; */ 3056 gfc_symbol *resolved_sym; 3057 gfc_intrinsic_sym *resolved_isym; 3058 3059 union 3060 { 3061 gfc_actual_arglist *actual; 3062 gfc_iterator *iterator; 3063 3064 struct 3065 { 3066 gfc_typespec ts; 3067 gfc_alloc *list; 3068 /* Take the array specification from expr3 to allocate arrays 3069 without an explicit array specification. */ 3070 unsigned arr_spec_from_expr3:1; 3071 /* expr3 is not explicit */ 3072 unsigned expr3_not_explicit:1; 3073 } 3074 alloc; 3075 3076 struct 3077 { 3078 gfc_namespace *ns; 3079 gfc_association_list *assoc; 3080 gfc_case *case_list; 3081 } 3082 block; 3083 3084 gfc_open *open; 3085 gfc_close *close; 3086 gfc_filepos *filepos; 3087 gfc_inquire *inquire; 3088 gfc_wait *wait; 3089 gfc_dt *dt; 3090 gfc_forall_iterator *forall_iterator; 3091 struct gfc_code *which_construct; 3092 int stop_code; 3093 gfc_entry_list *entry; 3094 gfc_oacc_declare *oacc_declare; 3095 gfc_omp_clauses *omp_clauses; 3096 const char *omp_name; 3097 gfc_omp_namelist *omp_namelist; 3098 bool omp_bool; 3099 } 3100 ext; /* Points to additional structures required by statement */ 3101 3102 /* Cycle and break labels in constructs. */ 3103 tree cycle_label; 3104 tree exit_label; 3105 } 3106 gfc_code; 3107 3108 3109 /* Storage for DATA statements. */ 3110 typedef struct gfc_data_variable 3111 { 3112 gfc_expr *expr; 3113 gfc_iterator iter; 3114 struct gfc_data_variable *list, *next; 3115 } 3116 gfc_data_variable; 3117 3118 3119 typedef struct gfc_data_value 3120 { 3121 mpz_t repeat; 3122 gfc_expr *expr; 3123 struct gfc_data_value *next; 3124 } 3125 gfc_data_value; 3126 3127 3128 typedef struct gfc_data 3129 { 3130 gfc_data_variable *var; 3131 gfc_data_value *value; 3132 locus where; 3133 3134 struct gfc_data *next; 3135 } 3136 gfc_data; 3137 3138 3139 /* Structure for holding compile options */ 3140 typedef struct 3141 { 3142 char *module_dir; 3143 gfc_source_form source_form; 3144 int max_continue_fixed; 3145 int max_continue_free; 3146 int max_identifier_length; 3147 3148 int max_errors; 3149 3150 int flag_preprocessed; 3151 int flag_d_lines; 3152 int flag_init_integer; 3153 long flag_init_integer_value; 3154 int flag_init_logical; 3155 int flag_init_character; 3156 char flag_init_character_value; 3157 3158 int fpe; 3159 int fpe_summary; 3160 int rtcheck; 3161 3162 int warn_std; 3163 int allow_std; 3164 } 3165 gfc_option_t; 3166 3167 extern gfc_option_t gfc_option; 3168 3169 /* Constructor nodes for array and structure constructors. */ 3170 typedef struct gfc_constructor 3171 { 3172 gfc_constructor_base base; 3173 mpz_t offset; /* Offset within a constructor, used as 3174 key within base. */ 3175 3176 gfc_expr *expr; 3177 gfc_iterator *iterator; 3178 locus where; 3179 3180 union 3181 { 3182 gfc_component *component; /* Record the component being initialized. */ 3183 } 3184 n; 3185 mpz_t repeat; /* Record the repeat number of initial values in data 3186 statement like "data a/5*10/". */ 3187 } 3188 gfc_constructor; 3189 3190 3191 typedef struct iterator_stack 3192 { 3193 gfc_symtree *variable; 3194 mpz_t value; 3195 struct iterator_stack *prev; 3196 } 3197 iterator_stack; 3198 extern iterator_stack *iter_stack; 3199 3200 3201 /* Used for (possibly nested) SELECT TYPE statements. */ 3202 typedef struct gfc_select_type_stack 3203 { 3204 gfc_symbol *selector; /* Current selector variable. */ 3205 gfc_symtree *tmp; /* Current temporary variable. */ 3206 struct gfc_select_type_stack *prev; /* Previous element on stack. */ 3207 } 3208 gfc_select_type_stack; 3209 extern gfc_select_type_stack *select_type_stack; 3210 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack) 3211 3212 3213 /* Node in the linked list used for storing finalizer procedures. */ 3214 3215 typedef struct gfc_finalizer 3216 { 3217 struct gfc_finalizer* next; 3218 locus where; /* Where the FINAL declaration occurred. */ 3219 3220 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding 3221 symtree and later need only that. This way, we can access and call the 3222 finalizers from every context as they should be "always accessible". I 3223 don't make this a union because we need the information whether proc_sym is 3224 still referenced or not for dereferencing it on deleting a gfc_finalizer 3225 structure. */ 3226 gfc_symbol* proc_sym; 3227 gfc_symtree* proc_tree; 3228 } 3229 gfc_finalizer; 3230 #define gfc_get_finalizer() XCNEW (gfc_finalizer) 3231 3232 3233 /************************ Function prototypes *************************/ 3234 3235 3236 /* Returns true if the type specified in TS is a character type whose length 3237 is the constant one. Otherwise returns false. */ 3238 3239 inline bool 3240 gfc_length_one_character_type_p (gfc_typespec *ts) 3241 { 3242 return ts->type == BT_CHARACTER 3243 && ts->u.cl 3244 && ts->u.cl->length 3245 && ts->u.cl->length->expr_type == EXPR_CONSTANT 3246 && ts->u.cl->length->ts.type == BT_INTEGER 3247 && mpz_cmp_ui (ts->u.cl->length->value.integer, 1) == 0; 3248 } 3249 3250 /* decl.cc */ 3251 bool gfc_in_match_data (void); 3252 match gfc_match_char_spec (gfc_typespec *); 3253 extern int directive_unroll; 3254 extern bool directive_ivdep; 3255 extern bool directive_vector; 3256 extern bool directive_novector; 3257 3258 /* SIMD clause enum. */ 3259 enum gfc_simd_clause 3260 { 3261 SIMD_NONE = (1 << 0), 3262 SIMD_INBRANCH = (1 << 1), 3263 SIMD_NOTINBRANCH = (1 << 2) 3264 }; 3265 3266 /* Tuple for parsing of vectorized built-ins. */ 3267 struct gfc_vect_builtin_tuple 3268 { 3269 gfc_vect_builtin_tuple (const char *n, gfc_simd_clause t) 3270 : name (n), simd_type (t) {} 3271 3272 const char *name; 3273 gfc_simd_clause simd_type; 3274 }; 3275 3276 /* Map of middle-end built-ins that should be vectorized. */ 3277 extern hash_map<nofree_string_hash, int> *gfc_vectorized_builtins; 3278 3279 /* Handling Parameterized Derived Types */ 3280 bool gfc_insert_parameter_exprs (gfc_expr *, gfc_actual_arglist *); 3281 match gfc_get_pdt_instance (gfc_actual_arglist *, gfc_symbol **, 3282 gfc_actual_arglist **); 3283 3284 3285 /* Given a symbol, test whether it is a module procedure in a submodule */ 3286 #define gfc_submodule_procedure(attr) \ 3287 (gfc_state_stack->previous && gfc_state_stack->previous->previous \ 3288 && gfc_state_stack->previous->previous->state == COMP_SUBMODULE \ 3289 && attr->module_procedure) 3290 3291 /* scanner.cc */ 3292 void gfc_scanner_done_1 (void); 3293 void gfc_scanner_init_1 (void); 3294 3295 void gfc_add_include_path (const char *, bool, bool, bool, bool); 3296 void gfc_add_intrinsic_modules_path (const char *); 3297 void gfc_release_include_path (void); 3298 void gfc_check_include_dirs (bool); 3299 FILE *gfc_open_included_file (const char *, bool, bool); 3300 3301 bool gfc_at_end (void); 3302 bool gfc_at_eof (void); 3303 bool gfc_at_bol (void); 3304 bool gfc_at_eol (void); 3305 void gfc_advance_line (void); 3306 bool gfc_define_undef_line (void); 3307 3308 bool gfc_wide_is_printable (gfc_char_t); 3309 bool gfc_wide_is_digit (gfc_char_t); 3310 bool gfc_wide_fits_in_byte (gfc_char_t); 3311 gfc_char_t gfc_wide_tolower (gfc_char_t); 3312 gfc_char_t gfc_wide_toupper (gfc_char_t); 3313 size_t gfc_wide_strlen (const gfc_char_t *); 3314 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); 3315 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); 3316 char *gfc_widechar_to_char (const gfc_char_t *, int); 3317 gfc_char_t *gfc_char_to_widechar (const char *); 3318 3319 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) 3320 3321 void gfc_skip_comments (void); 3322 gfc_char_t gfc_next_char_literal (gfc_instring); 3323 gfc_char_t gfc_next_char (void); 3324 char gfc_next_ascii_char (void); 3325 gfc_char_t gfc_peek_char (void); 3326 char gfc_peek_ascii_char (void); 3327 void gfc_error_recovery (void); 3328 void gfc_gobble_whitespace (void); 3329 void gfc_new_file (void); 3330 const char * gfc_read_orig_filename (const char *, const char **); 3331 3332 extern gfc_source_form gfc_current_form; 3333 extern const char *gfc_source_file; 3334 extern locus gfc_current_locus; 3335 3336 void gfc_start_source_files (void); 3337 void gfc_end_source_files (void); 3338 3339 /* misc.cc */ 3340 void gfc_clear_ts (gfc_typespec *); 3341 FILE *gfc_open_file (const char *); 3342 const char *gfc_basic_typename (bt); 3343 const char *gfc_dummy_typename (gfc_typespec *); 3344 const char *gfc_typename (gfc_typespec *, bool for_hash = false); 3345 const char *gfc_typename (gfc_expr *); 3346 const char *gfc_op2string (gfc_intrinsic_op); 3347 const char *gfc_code2string (const mstring *, int); 3348 int gfc_string2code (const mstring *, const char *); 3349 const char *gfc_intent_string (sym_intent); 3350 3351 void gfc_init_1 (void); 3352 void gfc_init_2 (void); 3353 void gfc_done_1 (void); 3354 void gfc_done_2 (void); 3355 3356 int get_c_kind (const char *, CInteropKind_t *); 3357 3358 const char *gfc_closest_fuzzy_match (const char *, char **); 3359 inline void 3360 vec_push (char **&optr, size_t &osz, const char *elt) 3361 { 3362 /* {auto,}vec.safe_push () replacement. Don't ask.. */ 3363 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff 3364 optr = XRESIZEVEC (char *, optr, osz + 2); 3365 optr[osz] = CONST_CAST (char *, elt); 3366 optr[++osz] = NULL; 3367 } 3368 3369 HOST_WIDE_INT gfc_mpz_get_hwi (mpz_t); 3370 void gfc_mpz_set_hwi (mpz_t, const HOST_WIDE_INT); 3371 3372 /* options.cc */ 3373 unsigned int gfc_option_lang_mask (void); 3374 void gfc_init_options_struct (struct gcc_options *); 3375 void gfc_init_options (unsigned int, 3376 struct cl_decoded_option *); 3377 bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT, int, location_t, 3378 const struct cl_option_handlers *); 3379 bool gfc_post_options (const char **); 3380 char *gfc_get_option_string (void); 3381 3382 /* f95-lang.cc */ 3383 void gfc_maybe_initialize_eh (void); 3384 3385 /* iresolve.cc */ 3386 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; 3387 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); 3388 3389 /* error.cc */ 3390 void gfc_error_init_1 (void); 3391 void gfc_diagnostics_init (void); 3392 void gfc_diagnostics_finish (void); 3393 void gfc_buffer_error (bool); 3394 3395 const char *gfc_print_wide_char (gfc_char_t); 3396 3397 bool gfc_warning (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3398 bool gfc_warning_now (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3399 bool gfc_warning_internal (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3400 bool gfc_warning_now_at (location_t loc, int opt, const char *gmsgid, ...) 3401 ATTRIBUTE_GCC_GFC(3,4); 3402 3403 void gfc_clear_warning (void); 3404 void gfc_warning_check (void); 3405 3406 void gfc_error_opt (int opt, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3407 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 3408 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 3409 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); 3410 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); 3411 void gfc_clear_error (void); 3412 bool gfc_error_check (void); 3413 bool gfc_error_flag_test (void); 3414 bool gfc_buffered_p (void); 3415 3416 notification gfc_notification_std (int); 3417 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 3418 3419 /* A general purpose syntax error. */ 3420 #define gfc_syntax_error(ST) \ 3421 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); 3422 3423 #include "pretty-print.h" /* For output_buffer. */ 3424 struct gfc_error_buffer 3425 { 3426 bool flag; 3427 output_buffer buffer; 3428 gfc_error_buffer(void) : flag(false), buffer() {} 3429 }; 3430 3431 void gfc_push_error (gfc_error_buffer *); 3432 void gfc_pop_error (gfc_error_buffer *); 3433 void gfc_free_error (gfc_error_buffer *); 3434 3435 void gfc_get_errors (int *, int *); 3436 void gfc_errors_to_warnings (bool); 3437 3438 /* arith.cc */ 3439 void gfc_arith_init_1 (void); 3440 void gfc_arith_done_1 (void); 3441 arith gfc_check_integer_range (mpz_t p, int kind); 3442 bool gfc_check_character_range (gfc_char_t, int); 3443 3444 extern bool gfc_seen_div0; 3445 3446 /* trans-types.cc */ 3447 int gfc_validate_kind (bt, int, bool); 3448 int gfc_get_int_kind_from_width_isofortranenv (int size); 3449 int gfc_get_real_kind_from_width_isofortranenv (int size); 3450 tree gfc_get_union_type (gfc_symbol *); 3451 tree gfc_get_derived_type (gfc_symbol * derived, int codimen = 0); 3452 extern int gfc_index_integer_kind; 3453 extern int gfc_default_integer_kind; 3454 extern int gfc_max_integer_kind; 3455 extern int gfc_default_real_kind; 3456 extern int gfc_default_double_kind; 3457 extern int gfc_default_character_kind; 3458 extern int gfc_default_logical_kind; 3459 extern int gfc_default_complex_kind; 3460 extern int gfc_c_int_kind; 3461 extern int gfc_c_intptr_kind; 3462 extern int gfc_atomic_int_kind; 3463 extern int gfc_atomic_logical_kind; 3464 extern int gfc_intio_kind; 3465 extern int gfc_charlen_int_kind; 3466 extern int gfc_size_kind; 3467 extern int gfc_numeric_storage_size; 3468 extern int gfc_character_storage_size; 3469 3470 #define gfc_logical_4_kind 4 3471 #define gfc_integer_4_kind 4 3472 #define gfc_real_4_kind 4 3473 3474 /* symbol.cc */ 3475 void gfc_clear_new_implicit (void); 3476 bool gfc_add_new_implicit_range (int, int); 3477 bool gfc_merge_new_implicit (gfc_typespec *); 3478 void gfc_set_implicit_none (bool, bool, locus *); 3479 void gfc_check_function_type (gfc_namespace *); 3480 bool gfc_is_intrinsic_typename (const char *); 3481 bool gfc_check_conflict (symbol_attribute *, const char *, locus *); 3482 3483 gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *); 3484 bool gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); 3485 3486 void gfc_set_sym_referenced (gfc_symbol *); 3487 3488 bool gfc_add_attribute (symbol_attribute *, locus *); 3489 bool gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *); 3490 bool gfc_add_allocatable (symbol_attribute *, locus *); 3491 bool gfc_add_codimension (symbol_attribute *, const char *, locus *); 3492 bool gfc_add_contiguous (symbol_attribute *, const char *, locus *); 3493 bool gfc_add_dimension (symbol_attribute *, const char *, locus *); 3494 bool gfc_add_external (symbol_attribute *, locus *); 3495 bool gfc_add_intrinsic (symbol_attribute *, locus *); 3496 bool gfc_add_optional (symbol_attribute *, locus *); 3497 bool gfc_add_kind (symbol_attribute *, locus *); 3498 bool gfc_add_len (symbol_attribute *, locus *); 3499 bool gfc_add_pointer (symbol_attribute *, locus *); 3500 bool gfc_add_cray_pointer (symbol_attribute *, locus *); 3501 bool gfc_add_cray_pointee (symbol_attribute *, locus *); 3502 match gfc_mod_pointee_as (gfc_array_spec *); 3503 bool gfc_add_protected (symbol_attribute *, const char *, locus *); 3504 bool gfc_add_result (symbol_attribute *, const char *, locus *); 3505 bool gfc_add_automatic (symbol_attribute *, const char *, locus *); 3506 bool gfc_add_save (symbol_attribute *, save_state, const char *, locus *); 3507 bool gfc_add_threadprivate (symbol_attribute *, const char *, locus *); 3508 bool gfc_add_omp_declare_target (symbol_attribute *, const char *, locus *); 3509 bool gfc_add_omp_declare_target_link (symbol_attribute *, const char *, 3510 locus *); 3511 bool gfc_add_target (symbol_attribute *, locus *); 3512 bool gfc_add_dummy (symbol_attribute *, const char *, locus *); 3513 bool gfc_add_generic (symbol_attribute *, const char *, locus *); 3514 bool gfc_add_in_common (symbol_attribute *, const char *, locus *); 3515 bool gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); 3516 bool gfc_add_data (symbol_attribute *, const char *, locus *); 3517 bool gfc_add_in_namelist (symbol_attribute *, const char *, locus *); 3518 bool gfc_add_sequence (symbol_attribute *, const char *, locus *); 3519 bool gfc_add_elemental (symbol_attribute *, locus *); 3520 bool gfc_add_pure (symbol_attribute *, locus *); 3521 bool gfc_add_recursive (symbol_attribute *, locus *); 3522 bool gfc_add_function (symbol_attribute *, const char *, locus *); 3523 bool gfc_add_subroutine (symbol_attribute *, const char *, locus *); 3524 bool gfc_add_volatile (symbol_attribute *, const char *, locus *); 3525 bool gfc_add_asynchronous (symbol_attribute *, const char *, locus *); 3526 bool gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); 3527 bool gfc_add_abstract (symbol_attribute* attr, locus* where); 3528 3529 bool gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); 3530 bool gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); 3531 bool gfc_add_extension (symbol_attribute *, locus *); 3532 bool gfc_add_value (symbol_attribute *, const char *, locus *); 3533 bool gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); 3534 bool gfc_add_entry (symbol_attribute *, const char *, locus *); 3535 bool gfc_add_procedure (symbol_attribute *, procedure_type, 3536 const char *, locus *); 3537 bool gfc_add_intent (symbol_attribute *, sym_intent, locus *); 3538 bool gfc_add_explicit_interface (gfc_symbol *, ifsrc, 3539 gfc_formal_arglist *, locus *); 3540 bool gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); 3541 3542 void gfc_clear_attr (symbol_attribute *); 3543 bool gfc_missing_attr (symbol_attribute *, locus *); 3544 bool gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); 3545 int gfc_copy_dummy_sym (gfc_symbol **, gfc_symbol *, int); 3546 bool gfc_add_component (gfc_symbol *, const char *, gfc_component **); 3547 void gfc_free_component (gfc_component *); 3548 gfc_symbol *gfc_use_derived (gfc_symbol *); 3549 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool, 3550 gfc_ref **); 3551 int gfc_find_derived_types (gfc_symbol *, gfc_namespace *, const char *, 3552 bool stash = false); 3553 3554 gfc_st_label *gfc_get_st_label (int); 3555 void gfc_free_st_label (gfc_st_label *); 3556 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); 3557 bool gfc_reference_st_label (gfc_st_label *, gfc_sl_type); 3558 3559 gfc_namespace *gfc_get_namespace (gfc_namespace *, int); 3560 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); 3561 void gfc_delete_symtree (gfc_symtree **, const char *); 3562 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); 3563 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); 3564 gfc_user_op *gfc_get_uop (const char *); 3565 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); 3566 void gfc_free_symbol (gfc_symbol *&); 3567 bool gfc_release_symbol (gfc_symbol *&); 3568 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); 3569 gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *); 3570 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); 3571 bool gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); 3572 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); 3573 bool gfc_verify_c_interop (gfc_typespec *); 3574 bool gfc_verify_c_interop_param (gfc_symbol *); 3575 bool verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); 3576 bool verify_bind_c_derived_type (gfc_symbol *); 3577 bool verify_com_block_vars_c_interop (gfc_common_head *); 3578 gfc_symtree *generate_isocbinding_symbol (const char *, iso_c_binding_symbol, 3579 const char *, gfc_symtree *, bool); 3580 void gfc_save_symbol_data (gfc_symbol *); 3581 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool); 3582 int gfc_get_ha_symbol (const char *, gfc_symbol **); 3583 int gfc_get_ha_sym_tree (const char *, gfc_symtree **); 3584 3585 void gfc_drop_last_undo_checkpoint (void); 3586 void gfc_restore_last_undo_checkpoint (void); 3587 void gfc_undo_symbols (void); 3588 void gfc_commit_symbols (void); 3589 void gfc_commit_symbol (gfc_symbol *); 3590 gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *); 3591 void gfc_free_namespace (gfc_namespace *&); 3592 3593 void gfc_symbol_init_2 (void); 3594 void gfc_symbol_done_2 (void); 3595 3596 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); 3597 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); 3598 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); 3599 void gfc_save_all (gfc_namespace *); 3600 3601 void gfc_enforce_clean_symbol_state (void); 3602 3603 gfc_gsymbol *gfc_get_gsymbol (const char *, bool bind_c); 3604 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); 3605 gfc_gsymbol *gfc_find_case_gsymbol (gfc_gsymbol *, const char *); 3606 void gfc_traverse_gsymbol (gfc_gsymbol *, void (*)(gfc_gsymbol *, void *), void *); 3607 3608 gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*); 3609 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); 3610 bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *); 3611 bool gfc_pdt_is_instance_of (gfc_symbol *, gfc_symbol *); 3612 bool gfc_type_compatible (gfc_typespec *, gfc_typespec *); 3613 3614 void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *, 3615 gfc_actual_arglist *, bool copy_type = false); 3616 3617 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.cc, too */ 3618 3619 bool gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); 3620 gfc_namespace* gfc_find_proc_namespace (gfc_namespace*); 3621 3622 bool gfc_is_associate_pointer (gfc_symbol*); 3623 gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *); 3624 gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *); 3625 3626 gfc_namespace * gfc_get_procedure_ns (gfc_symbol *); 3627 gfc_namespace * gfc_get_spec_ns (gfc_symbol *); 3628 3629 /* intrinsic.cc -- true if working in an init-expr, false otherwise. */ 3630 extern bool gfc_init_expr_flag; 3631 3632 /* Given a symbol that we have decided is intrinsic, mark it as such 3633 by placing it into a special module that is otherwise impossible to 3634 read or write. */ 3635 3636 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") 3637 3638 void gfc_intrinsic_init_1 (void); 3639 void gfc_intrinsic_done_1 (void); 3640 3641 char gfc_type_letter (bt, bool logical_equals_int = false); 3642 int gfc_type_abi_kind (bt, int); 3643 inline int 3644 gfc_type_abi_kind (gfc_typespec *ts) 3645 { 3646 return gfc_type_abi_kind (ts->type, ts->kind); 3647 } 3648 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); 3649 gfc_symbol *gfc_get_intrinsic_function_symbol (gfc_expr *); 3650 gfc_symbol *gfc_find_intrinsic_symbol (gfc_expr *); 3651 bool gfc_convert_type (gfc_expr *, gfc_typespec *, int); 3652 bool gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int, 3653 bool array = false); 3654 bool gfc_convert_chartype (gfc_expr *, gfc_typespec *); 3655 bool gfc_generic_intrinsic (const char *); 3656 bool gfc_specific_intrinsic (const char *); 3657 bool gfc_is_intrinsic (gfc_symbol*, int, locus); 3658 bool gfc_intrinsic_actual_ok (const char *, const bool); 3659 gfc_intrinsic_sym *gfc_find_function (const char *); 3660 gfc_intrinsic_sym *gfc_find_subroutine (const char *); 3661 gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id); 3662 gfc_intrinsic_sym *gfc_intrinsic_subroutine_by_id (gfc_isym_id); 3663 gfc_isym_id gfc_isym_id_by_intmod (intmod_id, int); 3664 gfc_isym_id gfc_isym_id_by_intmod_sym (gfc_symbol *); 3665 3666 3667 match gfc_intrinsic_func_interface (gfc_expr *, int); 3668 match gfc_intrinsic_sub_interface (gfc_code *, int); 3669 3670 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); 3671 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, 3672 bool, locus); 3673 3674 /* match.cc -- FIXME */ 3675 void gfc_free_iterator (gfc_iterator *, int); 3676 void gfc_free_forall_iterator (gfc_forall_iterator *); 3677 void gfc_free_alloc_list (gfc_alloc *); 3678 void gfc_free_namelist (gfc_namelist *); 3679 void gfc_free_omp_namelist (gfc_omp_namelist *, bool, bool, bool); 3680 void gfc_free_equiv (gfc_equiv *); 3681 void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *); 3682 void gfc_free_data (gfc_data *); 3683 void gfc_reject_data (gfc_namespace *); 3684 void gfc_free_case_list (gfc_case *); 3685 3686 /* matchexp.cc -- FIXME too? */ 3687 gfc_expr *gfc_get_parentheses (gfc_expr *); 3688 3689 /* openmp.cc */ 3690 struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; }; 3691 bool gfc_omp_requires_add_clause (gfc_omp_requires_kind, const char *, 3692 locus *, const char *); 3693 void gfc_check_omp_requires (gfc_namespace *, int); 3694 void gfc_free_omp_clauses (gfc_omp_clauses *); 3695 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare *); 3696 void gfc_free_omp_declare_variant_list (gfc_omp_declare_variant *list); 3697 void gfc_free_omp_declare_simd (gfc_omp_declare_simd *); 3698 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd *); 3699 void gfc_free_omp_udr (gfc_omp_udr *); 3700 gfc_omp_udr *gfc_omp_udr_find (gfc_symtree *, gfc_typespec *); 3701 void gfc_resolve_omp_allocate (gfc_namespace *, gfc_omp_namelist *); 3702 void gfc_resolve_omp_assumptions (gfc_omp_assumptions *); 3703 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); 3704 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *, bool); 3705 void gfc_resolve_omp_local_vars (gfc_namespace *); 3706 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); 3707 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); 3708 void gfc_resolve_omp_declare_simd (gfc_namespace *); 3709 void gfc_resolve_omp_udrs (gfc_symtree *); 3710 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *); 3711 void gfc_omp_restore_state (struct gfc_omp_saved_state *); 3712 void gfc_free_expr_list (gfc_expr_list *); 3713 void gfc_resolve_oacc_directive (gfc_code *, gfc_namespace *); 3714 void gfc_resolve_oacc_declare (gfc_namespace *); 3715 void gfc_resolve_oacc_blocks (gfc_code *, gfc_namespace *); 3716 void gfc_resolve_oacc_routines (gfc_namespace *); 3717 3718 /* expr.cc */ 3719 void gfc_free_actual_arglist (gfc_actual_arglist *); 3720 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); 3721 3722 bool gfc_extract_int (gfc_expr *, int *, int = 0); 3723 bool gfc_extract_hwi (gfc_expr *, HOST_WIDE_INT *, int = 0); 3724 3725 bool is_CFI_desc (gfc_symbol *, gfc_expr *); 3726 bool is_subref_array (gfc_expr *); 3727 bool gfc_is_simply_contiguous (gfc_expr *, bool, bool); 3728 bool gfc_is_not_contiguous (gfc_expr *); 3729 bool gfc_check_init_expr (gfc_expr *); 3730 3731 gfc_expr *gfc_build_conversion (gfc_expr *); 3732 void gfc_free_ref_list (gfc_ref *); 3733 void gfc_type_convert_binary (gfc_expr *, int); 3734 bool gfc_is_constant_expr (gfc_expr *); 3735 bool gfc_simplify_expr (gfc_expr *, int); 3736 bool gfc_try_simplify_expr (gfc_expr *, int); 3737 bool gfc_has_vector_index (gfc_expr *); 3738 bool gfc_is_ptr_fcn (gfc_expr *); 3739 3740 gfc_expr *gfc_get_expr (void); 3741 gfc_expr *gfc_get_array_expr (bt type, int kind, locus *); 3742 gfc_expr *gfc_get_null_expr (locus *); 3743 gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *); 3744 gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *); 3745 gfc_expr *gfc_get_constant_expr (bt, int, locus *); 3746 gfc_expr *gfc_get_character_expr (int, locus *, const char *, gfc_charlen_t len); 3747 gfc_expr *gfc_get_int_expr (int, locus *, HOST_WIDE_INT); 3748 gfc_expr *gfc_get_logical_expr (int, locus *, bool); 3749 gfc_expr *gfc_get_iokind_expr (locus *, io_kind); 3750 3751 void gfc_clear_shape (mpz_t *shape, int rank); 3752 void gfc_free_shape (mpz_t **shape, int rank); 3753 void gfc_free_expr (gfc_expr *); 3754 void gfc_replace_expr (gfc_expr *, gfc_expr *); 3755 mpz_t *gfc_copy_shape (mpz_t *, int); 3756 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); 3757 gfc_expr *gfc_copy_expr (gfc_expr *); 3758 gfc_ref* gfc_copy_ref (gfc_ref*); 3759 3760 bool gfc_specification_expr (gfc_expr *); 3761 3762 bool gfc_numeric_ts (gfc_typespec *); 3763 int gfc_kind_max (gfc_expr *, gfc_expr *); 3764 3765 bool gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3; 3766 bool gfc_check_assign (gfc_expr *, gfc_expr *, int, bool c = true); 3767 bool gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue, 3768 bool suppres_type_test = false, 3769 bool is_init_expr = false); 3770 bool gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *); 3771 3772 gfc_expr *gfc_build_default_init_expr (gfc_typespec *, locus *); 3773 void gfc_apply_init (gfc_typespec *, symbol_attribute *, gfc_expr *); 3774 bool gfc_has_default_initializer (gfc_symbol *); 3775 gfc_expr *gfc_default_initializer (gfc_typespec *); 3776 gfc_expr *gfc_generate_initializer (gfc_typespec *, bool); 3777 gfc_expr *gfc_get_variable_expr (gfc_symtree *); 3778 void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *); 3779 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); 3780 3781 gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr); 3782 3783 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, 3784 bool (*)(gfc_expr *, gfc_symbol *, int*), 3785 int); 3786 void gfc_expr_set_symbols_referenced (gfc_expr *); 3787 bool gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); 3788 bool gfc_derived_parameter_expr (gfc_expr *); 3789 gfc_param_spec_type gfc_spec_list_type (gfc_actual_arglist *, gfc_symbol *); 3790 gfc_component * gfc_get_proc_ptr_comp (gfc_expr *); 3791 bool gfc_is_proc_ptr_comp (gfc_expr *); 3792 bool gfc_is_alloc_class_scalar_function (gfc_expr *); 3793 bool gfc_is_class_array_function (gfc_expr *); 3794 3795 bool gfc_ref_this_image (gfc_ref *ref); 3796 bool gfc_is_coindexed (gfc_expr *); 3797 bool gfc_is_coarray (gfc_expr *); 3798 int gfc_get_corank (gfc_expr *); 3799 bool gfc_has_ultimate_allocatable (gfc_expr *); 3800 bool gfc_has_ultimate_pointer (gfc_expr *); 3801 gfc_expr* gfc_find_team_co (gfc_expr *); 3802 gfc_expr* gfc_find_stat_co (gfc_expr *); 3803 gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*, 3804 locus, unsigned, ...); 3805 bool gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*); 3806 gfc_expr* gfc_pdt_find_component_copy_initializer (gfc_symbol *, const char *); 3807 3808 3809 /* st.cc */ 3810 extern gfc_code new_st; 3811 3812 void gfc_clear_new_st (void); 3813 gfc_code *gfc_get_code (gfc_exec_op); 3814 gfc_code *gfc_append_code (gfc_code *, gfc_code *); 3815 void gfc_free_statement (gfc_code *); 3816 void gfc_free_statements (gfc_code *); 3817 void gfc_free_association_list (gfc_association_list *); 3818 3819 /* resolve.cc */ 3820 void gfc_expression_rank (gfc_expr *); 3821 bool gfc_op_rank_conformable (gfc_expr *, gfc_expr *); 3822 bool gfc_resolve_ref (gfc_expr *); 3823 void gfc_fixup_inferred_type_refs (gfc_expr *); 3824 bool gfc_resolve_expr (gfc_expr *); 3825 void gfc_resolve (gfc_namespace *); 3826 void gfc_resolve_code (gfc_code *, gfc_namespace *); 3827 void gfc_resolve_blocks (gfc_code *, gfc_namespace *); 3828 void gfc_resolve_formal_arglist (gfc_symbol *); 3829 bool gfc_impure_variable (gfc_symbol *); 3830 bool gfc_pure (gfc_symbol *); 3831 bool gfc_implicit_pure (gfc_symbol *); 3832 void gfc_unset_implicit_pure (gfc_symbol *); 3833 bool gfc_elemental (gfc_symbol *); 3834 bool gfc_resolve_iterator (gfc_iterator *, bool, bool); 3835 bool find_forall_index (gfc_expr *, gfc_symbol *, int); 3836 bool gfc_resolve_index (gfc_expr *, int); 3837 bool gfc_resolve_dim_arg (gfc_expr *); 3838 bool gfc_resolve_substring (gfc_ref *, bool *); 3839 void gfc_resolve_substring_charlen (gfc_expr *); 3840 gfc_expr *gfc_expr_to_initialize (gfc_expr *); 3841 bool gfc_type_is_extensible (gfc_symbol *); 3842 bool gfc_resolve_intrinsic (gfc_symbol *, locus *); 3843 bool gfc_explicit_interface_required (gfc_symbol *, char *, int); 3844 extern int gfc_do_concurrent_flag; 3845 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree *); 3846 bool gfc_pure_function (gfc_expr *e, const char **name); 3847 bool gfc_implicit_pure_function (gfc_expr *e); 3848 3849 3850 /* array.cc */ 3851 gfc_iterator *gfc_copy_iterator (gfc_iterator *); 3852 3853 void gfc_free_array_spec (gfc_array_spec *); 3854 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); 3855 3856 bool gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); 3857 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); 3858 bool gfc_resolve_array_spec (gfc_array_spec *, int); 3859 3860 bool gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); 3861 3862 void gfc_simplify_iterator_var (gfc_expr *); 3863 bool gfc_expand_constructor (gfc_expr *, bool); 3864 bool gfc_constant_ac (gfc_expr *); 3865 bool gfc_expanded_ac (gfc_expr *); 3866 bool gfc_resolve_character_array_constructor (gfc_expr *); 3867 bool gfc_resolve_array_constructor (gfc_expr *); 3868 bool gfc_check_constructor_type (gfc_expr *); 3869 bool gfc_check_iter_variable (gfc_expr *); 3870 bool gfc_check_constructor (gfc_expr *, bool (*)(gfc_expr *)); 3871 bool gfc_array_size (gfc_expr *, mpz_t *); 3872 bool gfc_array_dimen_size (gfc_expr *, int, mpz_t *); 3873 bool gfc_array_ref_shape (gfc_array_ref *, mpz_t *); 3874 gfc_array_ref *gfc_find_array_ref (gfc_expr *, bool a = false); 3875 tree gfc_conv_array_initializer (tree type, gfc_expr *); 3876 bool spec_size (gfc_array_spec *, mpz_t *); 3877 bool spec_dimen_size (gfc_array_spec *, int, mpz_t *); 3878 bool gfc_is_compile_time_shape (gfc_array_spec *); 3879 3880 bool gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *); 3881 3882 /* interface.cc -- FIXME: some of these should be in symbol.cc */ 3883 void gfc_free_interface (gfc_interface *); 3884 void gfc_drop_interface_elements_before (gfc_interface **, gfc_interface *); 3885 bool gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); 3886 bool gfc_compare_types (gfc_typespec *, gfc_typespec *); 3887 bool gfc_check_dummy_characteristics (gfc_symbol *, gfc_symbol *, 3888 bool, char *, int); 3889 bool gfc_check_result_characteristics (gfc_symbol *, gfc_symbol *, 3890 char *, int); 3891 bool gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int, 3892 char *, int, const char *, const char *, 3893 bool *bad_result_characteristics = NULL); 3894 void gfc_check_interfaces (gfc_namespace *); 3895 bool gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); 3896 void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *); 3897 gfc_symbol *gfc_search_interface (gfc_interface *, int, 3898 gfc_actual_arglist **); 3899 match gfc_extend_expr (gfc_expr *); 3900 void gfc_free_formal_arglist (gfc_formal_arglist *); 3901 bool gfc_extend_assign (gfc_code *, gfc_namespace *); 3902 bool gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus); 3903 bool gfc_add_interface (gfc_symbol *); 3904 gfc_interface *&gfc_current_interface_head (void); 3905 void gfc_set_current_interface_head (gfc_interface *); 3906 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); 3907 bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); 3908 bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus); 3909 bool gfc_has_vector_subscript (gfc_expr*); 3910 gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op); 3911 bool gfc_check_typebound_override (gfc_symtree*, gfc_symtree*); 3912 void gfc_check_dtio_interfaces (gfc_symbol*); 3913 gfc_symtree* gfc_find_typebound_dtio_proc (gfc_symbol *, bool, bool); 3914 gfc_symbol* gfc_find_specific_dtio_proc (gfc_symbol*, bool, bool); 3915 void gfc_get_formal_from_actual_arglist (gfc_symbol *, gfc_actual_arglist *); 3916 bool gfc_compare_actual_formal (gfc_actual_arglist **, gfc_formal_arglist *, 3917 int, int, bool, locus *); 3918 3919 3920 /* io.cc */ 3921 extern gfc_st_label format_asterisk; 3922 3923 void gfc_free_open (gfc_open *); 3924 bool gfc_resolve_open (gfc_open *, locus *); 3925 void gfc_free_close (gfc_close *); 3926 bool gfc_resolve_close (gfc_close *, locus *); 3927 void gfc_free_filepos (gfc_filepos *); 3928 bool gfc_resolve_filepos (gfc_filepos *, locus *); 3929 void gfc_free_inquire (gfc_inquire *); 3930 bool gfc_resolve_inquire (gfc_inquire *); 3931 void gfc_free_dt (gfc_dt *); 3932 bool gfc_resolve_dt (gfc_code *, gfc_dt *, locus *); 3933 void gfc_free_wait (gfc_wait *); 3934 bool gfc_resolve_wait (gfc_wait *); 3935 3936 /* module.cc */ 3937 void gfc_module_init_2 (void); 3938 void gfc_module_done_2 (void); 3939 void gfc_dump_module (const char *, int); 3940 bool gfc_check_symbol_access (gfc_symbol *); 3941 void gfc_free_use_stmts (gfc_use_list *); 3942 void gfc_save_module_list (); 3943 void gfc_restore_old_module_list (); 3944 const char *gfc_dt_lower_string (const char *); 3945 const char *gfc_dt_upper_string (const char *); 3946 3947 /* primary.cc */ 3948 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); 3949 symbol_attribute gfc_expr_attr (gfc_expr *); 3950 symbol_attribute gfc_caf_attr (gfc_expr *, bool i = false, bool *r = NULL); 3951 bool is_inquiry_ref (const char *, gfc_ref **); 3952 match gfc_match_rvalue (gfc_expr **); 3953 match gfc_match_varspec (gfc_expr*, int, bool, bool); 3954 bool gfc_check_digit (char, int); 3955 bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *); 3956 bool gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *, 3957 gfc_expr **, 3958 gfc_actual_arglist **, bool); 3959 3960 /* trans.cc */ 3961 void gfc_generate_code (gfc_namespace *); 3962 void gfc_generate_module_code (gfc_namespace *); 3963 3964 /* trans-intrinsic.cc */ 3965 bool gfc_inline_intrinsic_function_p (gfc_expr *); 3966 3967 /* bbt.cc */ 3968 typedef int (*compare_fn) (void *, void *); 3969 void gfc_insert_bbt (void *, void *, compare_fn); 3970 void * gfc_delete_bbt (void *, void *, compare_fn); 3971 3972 /* dump-parse-tree.cc */ 3973 void gfc_dump_parse_tree (gfc_namespace *, FILE *); 3974 void gfc_dump_c_prototypes (gfc_namespace *, FILE *); 3975 void gfc_dump_external_c_prototypes (FILE *); 3976 void gfc_dump_global_symbols (FILE *); 3977 void debug (gfc_symbol *); 3978 void debug (gfc_expr *); 3979 3980 /* parse.cc */ 3981 bool gfc_parse_file (void); 3982 void gfc_global_used (gfc_gsymbol *, locus *); 3983 gfc_namespace* gfc_build_block_ns (gfc_namespace *); 3984 3985 /* dependency.cc */ 3986 int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool); 3987 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); 3988 bool gfc_dep_difference (gfc_expr *, gfc_expr *, mpz_t *); 3989 3990 /* check.cc */ 3991 bool gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); 3992 bool gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*, 3993 size_t*, size_t*, size_t*); 3994 bool gfc_boz2int (gfc_expr *, int); 3995 bool gfc_boz2real (gfc_expr *, int); 3996 bool gfc_invalid_boz (const char *, locus *); 3997 bool gfc_invalid_null_arg (gfc_expr *); 3998 3999 4000 /* class.cc */ 4001 void gfc_fix_class_refs (gfc_expr *e); 4002 void gfc_add_component_ref (gfc_expr *, const char *); 4003 void gfc_add_class_array_ref (gfc_expr *); 4004 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data") 4005 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr") 4006 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len") 4007 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash") 4008 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size") 4009 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init") 4010 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final") 4011 bool gfc_is_class_array_ref (gfc_expr *, bool *); 4012 bool gfc_is_class_scalar_expr (gfc_expr *); 4013 bool gfc_is_class_container_ref (gfc_expr *e); 4014 gfc_expr *gfc_class_initializer (gfc_typespec *, gfc_expr *); 4015 unsigned int gfc_hash_value (gfc_symbol *); 4016 gfc_expr *gfc_get_len_component (gfc_expr *e, int); 4017 bool gfc_build_class_symbol (gfc_typespec *, symbol_attribute *, 4018 gfc_array_spec **); 4019 void gfc_change_class (gfc_typespec *, symbol_attribute *, 4020 gfc_array_spec *, int, int); 4021 gfc_symbol *gfc_find_derived_vtab (gfc_symbol *); 4022 gfc_symbol *gfc_find_vtab (gfc_typespec *); 4023 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, bool*, 4024 const char*, bool, locus*); 4025 gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, bool*, 4026 const char*, bool, locus*); 4027 gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, bool*, 4028 gfc_intrinsic_op, bool, 4029 locus*); 4030 gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*); 4031 bool gfc_is_finalizable (gfc_symbol *, gfc_expr **); 4032 bool gfc_may_be_finalized (gfc_typespec); 4033 4034 #define CLASS_DATA(sym) sym->ts.u.derived->components 4035 #define UNLIMITED_POLY(sym) \ 4036 (sym != NULL && sym->ts.type == BT_CLASS \ 4037 && CLASS_DATA (sym) \ 4038 && CLASS_DATA (sym)->ts.u.derived \ 4039 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic) 4040 #define IS_CLASS_ARRAY(sym) \ 4041 (sym->ts.type == BT_CLASS \ 4042 && CLASS_DATA (sym) \ 4043 && CLASS_DATA (sym)->attr.dimension \ 4044 && !CLASS_DATA (sym)->attr.class_pointer) 4045 #define IS_POINTER(sym) \ 4046 (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \ 4047 ? CLASS_DATA (sym)->attr.class_pointer : sym->attr.pointer) 4048 #define IS_PROC_POINTER(sym) \ 4049 (sym->ts.type == BT_CLASS && sym->attr.class_ok && CLASS_DATA (sym) \ 4050 ? CLASS_DATA (sym)->attr.proc_pointer : sym->attr.proc_pointer) 4051 #define IS_INFERRED_TYPE(expr) \ 4052 (expr && expr->expr_type == EXPR_VARIABLE \ 4053 && expr->symtree->n.sym->assoc \ 4054 && expr->symtree->n.sym->assoc->inferred_type) 4055 4056 /* frontend-passes.cc */ 4057 4058 void gfc_run_passes (gfc_namespace *); 4059 4060 typedef int (*walk_code_fn_t) (gfc_code **, int *, void *); 4061 typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *); 4062 4063 int gfc_dummy_code_callback (gfc_code **, int *, void *); 4064 int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *); 4065 int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *); 4066 bool gfc_has_dimen_vector_ref (gfc_expr *e); 4067 void gfc_check_externals (gfc_namespace *); 4068 bool gfc_fix_implicit_pure (gfc_namespace *); 4069 4070 /* simplify.cc */ 4071 4072 void gfc_convert_mpz_to_signed (mpz_t, int); 4073 gfc_expr *gfc_simplify_ieee_functions (gfc_expr *); 4074 bool gfc_is_constant_array_expr (gfc_expr *); 4075 bool gfc_is_size_zero_array (gfc_expr *); 4076 4077 /* trans-array.cc */ 4078 4079 bool gfc_is_reallocatable_lhs (gfc_expr *); 4080 4081 /* trans-decl.cc */ 4082 4083 void finish_oacc_declare (gfc_namespace *, gfc_symbol *, bool); 4084 void gfc_adjust_builtins (void); 4085 4086 #endif /* GCC_GFORTRAN_H */ 4087
Indexes created Wed Oct 14 00:28:03 UTC 2026