1 /* gfortran header file 2 Copyright (C) 2000-2013 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 /* Declarations common to the front-end and library are put in 35 libgfortran/libgfortran_frontend.h */ 36 #include "libgfortran.h" 37 38 39 #include "intl.h" 40 #include "input.h" 41 #include "splay-tree.h" 42 #include "vec.h" 43 44 /* Major control parameters. */ 45 46 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */ 47 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ 48 49 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */ 50 51 52 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t')) 53 54 /* Stringization. */ 55 #define stringize(x) expand_macro(x) 56 #define expand_macro(x) # x 57 58 /* For the runtime library, a standard prefix is a requirement to 59 avoid cluttering the namespace with things nobody asked for. It's 60 ugly to look at and a pain to type when you add the prefix by hand, 61 so we hide it behind a macro. */ 62 #define PREFIX(x) "_gfortran_" x 63 #define PREFIX_LEN 10 64 65 /* A prefix for internal variables, which are not user-visible. */ 66 #if !defined (NO_DOT_IN_LABEL) 67 # define GFC_PREFIX(x) "_F." x 68 #elif !defined (NO_DOLLAR_IN_LABEL) 69 # define GFC_PREFIX(x) "_F$" x 70 #else 71 # define GFC_PREFIX(x) "_F_" x 72 #endif 73 74 #define BLANK_COMMON_NAME "__BLNK__" 75 76 /* Macro to initialize an mstring structure. */ 77 #define minit(s, t) { s, NULL, t } 78 79 /* Structure for storing strings to be matched by gfc_match_string. */ 80 typedef struct 81 { 82 const char *string; 83 const char *mp; 84 int tag; 85 } 86 mstring; 87 88 89 90 /*************************** Enums *****************************/ 91 92 /* Used when matching and resolving data I/O transfer statements. */ 93 94 typedef enum 95 { M_READ, M_WRITE, M_PRINT, M_INQUIRE } 96 io_kind; 97 98 /* The author remains confused to this day about the convention of 99 returning '0' for 'SUCCESS'... or was it the other way around? The 100 following enum makes things much more readable. We also start 101 values off at one instead of zero. */ 102 103 typedef enum 104 { SUCCESS = 1, FAILURE } 105 gfc_try; 106 107 /* These are flags for identifying whether we are reading a character literal 108 between quotes or normal source code. */ 109 110 typedef enum 111 { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN } 112 gfc_instring; 113 114 /* This is returned by gfc_notification_std to know if, given the flags 115 that were given (-std=, -pedantic) we should issue an error, a warning 116 or nothing. */ 117 118 typedef enum 119 { SILENT, WARNING, ERROR } 120 notification; 121 122 /* Matchers return one of these three values. The difference between 123 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was 124 successful, but that something non-syntactic is wrong and an error 125 has already been issued. */ 126 127 typedef enum 128 { MATCH_NO = 1, MATCH_YES, MATCH_ERROR } 129 match; 130 131 /* Used for different Fortran source forms in places like scanner.c. */ 132 typedef enum 133 { FORM_FREE, FORM_FIXED, FORM_UNKNOWN } 134 gfc_source_form; 135 136 /* Expression node types. */ 137 typedef enum 138 { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, 139 EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL, EXPR_PPC 140 } 141 expr_t; 142 143 /* Array types. */ 144 typedef enum 145 { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, 146 AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_ASSUMED_RANK, 147 AS_UNKNOWN 148 } 149 array_type; 150 151 typedef enum 152 { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN } 153 ar_type; 154 155 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings 156 related to shared DO terminations and DO targets which are neither END DO 157 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */ 158 typedef enum 159 { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, ST_LABEL_DO_TARGET, 160 ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT 161 } 162 gfc_sl_type; 163 164 /* Intrinsic operators. */ 165 typedef enum 166 { GFC_INTRINSIC_BEGIN = 0, 167 INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, 168 INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, 169 INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, 170 INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, 171 /* ==, /=, >, >=, <, <= */ 172 INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, 173 INTRINSIC_LT, INTRINSIC_LE, 174 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */ 175 INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, 176 INTRINSIC_LT_OS, INTRINSIC_LE_OS, 177 INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, 178 INTRINSIC_PARENTHESES, GFC_INTRINSIC_END /* Sentinel */ 179 } 180 gfc_intrinsic_op; 181 182 /* This macro is the number of intrinsic operators that exist. 183 Assumptions are made about the numbering of the interface_op enums. */ 184 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END 185 186 /* Arithmetic results. */ 187 typedef enum 188 { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, 189 ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT 190 } 191 arith; 192 193 /* Statements. */ 194 typedef enum 195 { 196 ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE, 197 ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA, 198 ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, 199 ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, 200 ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA, 201 ST_ENDDO, ST_IMPLIED_ENDDO, 202 ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, 203 ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, 204 ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, 205 ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, 206 ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_IMPORT, 207 ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY, ST_SYNC_IMAGES, 208 ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, 209 ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, 210 ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, 211 ST_WRITE, ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, 212 ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, 213 ST_ENUM, ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS, 214 ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC, 215 ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, 216 ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, 217 ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, 218 ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, 219 ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, 220 ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, 221 ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, 222 ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, 223 ST_END_CRITICAL, ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_NONE 224 } 225 gfc_statement; 226 227 /* Types of interfaces that we can have. Assignment interfaces are 228 considered to be intrinsic operators. */ 229 typedef enum 230 { 231 INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, 232 INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT 233 } 234 interface_type; 235 236 /* Symbol flavors: these are all mutually exclusive. 237 10 elements = 4 bits. */ 238 typedef enum sym_flavor 239 { 240 FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, 241 FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, 242 FL_VOID 243 } 244 sym_flavor; 245 246 /* Procedure types. 7 elements = 3 bits. */ 247 typedef enum procedure_type 248 { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, 249 PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL 250 } 251 procedure_type; 252 253 /* Intent types. */ 254 typedef enum sym_intent 255 { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT 256 } 257 sym_intent; 258 259 /* Access types. */ 260 typedef enum gfc_access 261 { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE 262 } 263 gfc_access; 264 265 /* Flags to keep track of where an interface came from. 266 3 elements = 2 bits. */ 267 typedef enum ifsrc 268 { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */ 269 IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */ 270 IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement 271 with explicit interface. */ 272 } 273 ifsrc; 274 275 /* Whether a SAVE attribute was set explicitly or implicitly. */ 276 typedef enum save_state 277 { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT 278 } 279 save_state; 280 281 /* Strings for all symbol attributes. We use these for dumping the 282 parse tree, in error messages, and also when reading and writing 283 modules. In symbol.c. */ 284 extern const mstring flavors[]; 285 extern const mstring procedures[]; 286 extern const mstring intents[]; 287 extern const mstring access_types[]; 288 extern const mstring ifsrc_types[]; 289 extern const mstring save_status[]; 290 291 /* Enumeration of all the generic intrinsic functions. Used by the 292 backend for identification of a function. */ 293 294 enum gfc_isym_id 295 { 296 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by 297 the backend (e.g. KIND). */ 298 GFC_ISYM_NONE = 0, 299 GFC_ISYM_ABORT, 300 GFC_ISYM_ABS, 301 GFC_ISYM_ACCESS, 302 GFC_ISYM_ACHAR, 303 GFC_ISYM_ACOS, 304 GFC_ISYM_ACOSH, 305 GFC_ISYM_ADJUSTL, 306 GFC_ISYM_ADJUSTR, 307 GFC_ISYM_AIMAG, 308 GFC_ISYM_AINT, 309 GFC_ISYM_ALARM, 310 GFC_ISYM_ALL, 311 GFC_ISYM_ALLOCATED, 312 GFC_ISYM_AND, 313 GFC_ISYM_ANINT, 314 GFC_ISYM_ANY, 315 GFC_ISYM_ASIN, 316 GFC_ISYM_ASINH, 317 GFC_ISYM_ASSOCIATED, 318 GFC_ISYM_ATAN, 319 GFC_ISYM_ATAN2, 320 GFC_ISYM_ATANH, 321 GFC_ISYM_ATOMIC_DEF, 322 GFC_ISYM_ATOMIC_REF, 323 GFC_ISYM_BGE, 324 GFC_ISYM_BGT, 325 GFC_ISYM_BIT_SIZE, 326 GFC_ISYM_BLE, 327 GFC_ISYM_BLT, 328 GFC_ISYM_BTEST, 329 GFC_ISYM_CEILING, 330 GFC_ISYM_CHAR, 331 GFC_ISYM_CHDIR, 332 GFC_ISYM_CHMOD, 333 GFC_ISYM_CMPLX, 334 GFC_ISYM_COMMAND_ARGUMENT_COUNT, 335 GFC_ISYM_COMPILER_OPTIONS, 336 GFC_ISYM_COMPILER_VERSION, 337 GFC_ISYM_COMPLEX, 338 GFC_ISYM_CONJG, 339 GFC_ISYM_CONVERSION, 340 GFC_ISYM_COS, 341 GFC_ISYM_COSH, 342 GFC_ISYM_COUNT, 343 GFC_ISYM_CPU_TIME, 344 GFC_ISYM_CSHIFT, 345 GFC_ISYM_CTIME, 346 GFC_ISYM_C_SIZEOF, 347 GFC_ISYM_DATE_AND_TIME, 348 GFC_ISYM_DBLE, 349 GFC_ISYM_DIGITS, 350 GFC_ISYM_DIM, 351 GFC_ISYM_DOT_PRODUCT, 352 GFC_ISYM_DPROD, 353 GFC_ISYM_DSHIFTL, 354 GFC_ISYM_DSHIFTR, 355 GFC_ISYM_DTIME, 356 GFC_ISYM_EOSHIFT, 357 GFC_ISYM_EPSILON, 358 GFC_ISYM_ERF, 359 GFC_ISYM_ERFC, 360 GFC_ISYM_ERFC_SCALED, 361 GFC_ISYM_ETIME, 362 GFC_ISYM_EXECUTE_COMMAND_LINE, 363 GFC_ISYM_EXIT, 364 GFC_ISYM_EXP, 365 GFC_ISYM_EXPONENT, 366 GFC_ISYM_EXTENDS_TYPE_OF, 367 GFC_ISYM_FDATE, 368 GFC_ISYM_FGET, 369 GFC_ISYM_FGETC, 370 GFC_ISYM_FLOOR, 371 GFC_ISYM_FLUSH, 372 GFC_ISYM_FNUM, 373 GFC_ISYM_FPUT, 374 GFC_ISYM_FPUTC, 375 GFC_ISYM_FRACTION, 376 GFC_ISYM_FREE, 377 GFC_ISYM_FSEEK, 378 GFC_ISYM_FSTAT, 379 GFC_ISYM_FTELL, 380 GFC_ISYM_TGAMMA, 381 GFC_ISYM_GERROR, 382 GFC_ISYM_GETARG, 383 GFC_ISYM_GET_COMMAND, 384 GFC_ISYM_GET_COMMAND_ARGUMENT, 385 GFC_ISYM_GETCWD, 386 GFC_ISYM_GETENV, 387 GFC_ISYM_GET_ENVIRONMENT_VARIABLE, 388 GFC_ISYM_GETGID, 389 GFC_ISYM_GETLOG, 390 GFC_ISYM_GETPID, 391 GFC_ISYM_GETUID, 392 GFC_ISYM_GMTIME, 393 GFC_ISYM_HOSTNM, 394 GFC_ISYM_HUGE, 395 GFC_ISYM_HYPOT, 396 GFC_ISYM_IACHAR, 397 GFC_ISYM_IALL, 398 GFC_ISYM_IAND, 399 GFC_ISYM_IANY, 400 GFC_ISYM_IARGC, 401 GFC_ISYM_IBCLR, 402 GFC_ISYM_IBITS, 403 GFC_ISYM_IBSET, 404 GFC_ISYM_ICHAR, 405 GFC_ISYM_IDATE, 406 GFC_ISYM_IEOR, 407 GFC_ISYM_IERRNO, 408 GFC_ISYM_IMAGE_INDEX, 409 GFC_ISYM_INDEX, 410 GFC_ISYM_INT, 411 GFC_ISYM_INT2, 412 GFC_ISYM_INT8, 413 GFC_ISYM_IOR, 414 GFC_ISYM_IPARITY, 415 GFC_ISYM_IRAND, 416 GFC_ISYM_ISATTY, 417 GFC_ISYM_IS_IOSTAT_END, 418 GFC_ISYM_IS_IOSTAT_EOR, 419 GFC_ISYM_ISNAN, 420 GFC_ISYM_ISHFT, 421 GFC_ISYM_ISHFTC, 422 GFC_ISYM_ITIME, 423 GFC_ISYM_J0, 424 GFC_ISYM_J1, 425 GFC_ISYM_JN, 426 GFC_ISYM_JN2, 427 GFC_ISYM_KILL, 428 GFC_ISYM_KIND, 429 GFC_ISYM_LBOUND, 430 GFC_ISYM_LCOBOUND, 431 GFC_ISYM_LEADZ, 432 GFC_ISYM_LEN, 433 GFC_ISYM_LEN_TRIM, 434 GFC_ISYM_LGAMMA, 435 GFC_ISYM_LGE, 436 GFC_ISYM_LGT, 437 GFC_ISYM_LINK, 438 GFC_ISYM_LLE, 439 GFC_ISYM_LLT, 440 GFC_ISYM_LOC, 441 GFC_ISYM_LOG, 442 GFC_ISYM_LOG10, 443 GFC_ISYM_LOGICAL, 444 GFC_ISYM_LONG, 445 GFC_ISYM_LSHIFT, 446 GFC_ISYM_LSTAT, 447 GFC_ISYM_LTIME, 448 GFC_ISYM_MALLOC, 449 GFC_ISYM_MASKL, 450 GFC_ISYM_MASKR, 451 GFC_ISYM_MATMUL, 452 GFC_ISYM_MAX, 453 GFC_ISYM_MAXEXPONENT, 454 GFC_ISYM_MAXLOC, 455 GFC_ISYM_MAXVAL, 456 GFC_ISYM_MCLOCK, 457 GFC_ISYM_MCLOCK8, 458 GFC_ISYM_MERGE, 459 GFC_ISYM_MERGE_BITS, 460 GFC_ISYM_MIN, 461 GFC_ISYM_MINEXPONENT, 462 GFC_ISYM_MINLOC, 463 GFC_ISYM_MINVAL, 464 GFC_ISYM_MOD, 465 GFC_ISYM_MODULO, 466 GFC_ISYM_MOVE_ALLOC, 467 GFC_ISYM_MVBITS, 468 GFC_ISYM_NEAREST, 469 GFC_ISYM_NEW_LINE, 470 GFC_ISYM_NINT, 471 GFC_ISYM_NORM2, 472 GFC_ISYM_NOT, 473 GFC_ISYM_NULL, 474 GFC_ISYM_NUM_IMAGES, 475 GFC_ISYM_OR, 476 GFC_ISYM_PACK, 477 GFC_ISYM_PARITY, 478 GFC_ISYM_PERROR, 479 GFC_ISYM_POPCNT, 480 GFC_ISYM_POPPAR, 481 GFC_ISYM_PRECISION, 482 GFC_ISYM_PRESENT, 483 GFC_ISYM_PRODUCT, 484 GFC_ISYM_RADIX, 485 GFC_ISYM_RAND, 486 GFC_ISYM_RANDOM_NUMBER, 487 GFC_ISYM_RANDOM_SEED, 488 GFC_ISYM_RANGE, 489 GFC_ISYM_RANK, 490 GFC_ISYM_REAL, 491 GFC_ISYM_RENAME, 492 GFC_ISYM_REPEAT, 493 GFC_ISYM_RESHAPE, 494 GFC_ISYM_RRSPACING, 495 GFC_ISYM_RSHIFT, 496 GFC_ISYM_SAME_TYPE_AS, 497 GFC_ISYM_SC_KIND, 498 GFC_ISYM_SCALE, 499 GFC_ISYM_SCAN, 500 GFC_ISYM_SECNDS, 501 GFC_ISYM_SECOND, 502 GFC_ISYM_SET_EXPONENT, 503 GFC_ISYM_SHAPE, 504 GFC_ISYM_SHIFTA, 505 GFC_ISYM_SHIFTL, 506 GFC_ISYM_SHIFTR, 507 GFC_ISYM_BACKTRACE, 508 GFC_ISYM_SIGN, 509 GFC_ISYM_SIGNAL, 510 GFC_ISYM_SI_KIND, 511 GFC_ISYM_SIN, 512 GFC_ISYM_SINH, 513 GFC_ISYM_SIZE, 514 GFC_ISYM_SLEEP, 515 GFC_ISYM_SIZEOF, 516 GFC_ISYM_SPACING, 517 GFC_ISYM_SPREAD, 518 GFC_ISYM_SQRT, 519 GFC_ISYM_SRAND, 520 GFC_ISYM_SR_KIND, 521 GFC_ISYM_STAT, 522 GFC_ISYM_STORAGE_SIZE, 523 GFC_ISYM_STRIDE, 524 GFC_ISYM_SUM, 525 GFC_ISYM_SYMLINK, 526 GFC_ISYM_SYMLNK, 527 GFC_ISYM_SYSTEM, 528 GFC_ISYM_SYSTEM_CLOCK, 529 GFC_ISYM_TAN, 530 GFC_ISYM_TANH, 531 GFC_ISYM_THIS_IMAGE, 532 GFC_ISYM_TIME, 533 GFC_ISYM_TIME8, 534 GFC_ISYM_TINY, 535 GFC_ISYM_TRAILZ, 536 GFC_ISYM_TRANSFER, 537 GFC_ISYM_TRANSPOSE, 538 GFC_ISYM_TRIM, 539 GFC_ISYM_TTYNAM, 540 GFC_ISYM_UBOUND, 541 GFC_ISYM_UCOBOUND, 542 GFC_ISYM_UMASK, 543 GFC_ISYM_UNLINK, 544 GFC_ISYM_UNPACK, 545 GFC_ISYM_VERIFY, 546 GFC_ISYM_XOR, 547 GFC_ISYM_Y0, 548 GFC_ISYM_Y1, 549 GFC_ISYM_YN, 550 GFC_ISYM_YN2 551 }; 552 typedef enum gfc_isym_id gfc_isym_id; 553 554 555 typedef enum 556 { 557 GFC_INIT_REAL_OFF = 0, 558 GFC_INIT_REAL_ZERO, 559 GFC_INIT_REAL_NAN, 560 GFC_INIT_REAL_SNAN, 561 GFC_INIT_REAL_INF, 562 GFC_INIT_REAL_NEG_INF 563 } 564 init_local_real; 565 566 typedef enum 567 { 568 GFC_INIT_LOGICAL_OFF = 0, 569 GFC_INIT_LOGICAL_FALSE, 570 GFC_INIT_LOGICAL_TRUE 571 } 572 init_local_logical; 573 574 typedef enum 575 { 576 GFC_INIT_CHARACTER_OFF = 0, 577 GFC_INIT_CHARACTER_ON 578 } 579 init_local_character; 580 581 typedef enum 582 { 583 GFC_INIT_INTEGER_OFF = 0, 584 GFC_INIT_INTEGER_ON 585 } 586 init_local_integer; 587 588 typedef enum 589 { 590 GFC_FCOARRAY_NONE = 0, 591 GFC_FCOARRAY_SINGLE, 592 GFC_FCOARRAY_LIB 593 } 594 gfc_fcoarray; 595 596 typedef enum 597 { 598 GFC_ENABLE_REVERSE, 599 GFC_FORWARD_SET, 600 GFC_REVERSE_SET, 601 GFC_INHIBIT_REVERSE 602 } 603 gfc_reverse; 604 605 /************************* Structures *****************************/ 606 607 /* Used for keeping things in balanced binary trees. */ 608 #define BBT_HEADER(self) int priority; struct self *left, *right 609 610 #define NAMED_INTCST(a,b,c,d) a, 611 #define NAMED_KINDARRAY(a,b,c,d) a, 612 #define NAMED_FUNCTION(a,b,c,d) a, 613 #define NAMED_DERIVED_TYPE(a,b,c,d) a, 614 typedef enum 615 { 616 ISOFORTRANENV_INVALID = -1, 617 #include "iso-fortran-env.def" 618 ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST 619 } 620 iso_fortran_env_symbol; 621 #undef NAMED_INTCST 622 #undef NAMED_KINDARRAY 623 #undef NAMED_FUNCTION 624 #undef NAMED_DERIVED_TYPE 625 626 #define NAMED_INTCST(a,b,c,d) a, 627 #define NAMED_REALCST(a,b,c,d) a, 628 #define NAMED_CMPXCST(a,b,c,d) a, 629 #define NAMED_LOGCST(a,b,c) a, 630 #define NAMED_CHARKNDCST(a,b,c) a, 631 #define NAMED_CHARCST(a,b,c) a, 632 #define DERIVED_TYPE(a,b,c) a, 633 #define PROCEDURE(a,b) a, 634 #define NAMED_FUNCTION(a,b,c,d) a, 635 typedef enum 636 { 637 ISOCBINDING_INVALID = -1, 638 #include "iso-c-binding.def" 639 ISOCBINDING_LAST, 640 ISOCBINDING_NUMBER = ISOCBINDING_LAST 641 } 642 iso_c_binding_symbol; 643 #undef NAMED_INTCST 644 #undef NAMED_REALCST 645 #undef NAMED_CMPXCST 646 #undef NAMED_LOGCST 647 #undef NAMED_CHARKNDCST 648 #undef NAMED_CHARCST 649 #undef DERIVED_TYPE 650 #undef PROCEDURE 651 #undef NAMED_FUNCTION 652 653 typedef enum 654 { 655 INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING 656 } 657 intmod_id; 658 659 typedef struct 660 { 661 char name[GFC_MAX_SYMBOL_LEN + 1]; 662 int value; /* Used for both integer and character values. */ 663 bt f90_type; 664 } 665 CInteropKind_t; 666 667 /* Array of structs, where the structs represent the C interop kinds. 668 The list will be implemented based on a hash of the kind name since 669 these could be accessed multiple times. 670 Declared in trans-types.c as a global, since it's in that file 671 that the list is initialized. */ 672 extern CInteropKind_t c_interop_kinds_table[]; 673 674 675 /* Structure and list of supported extension attributes. */ 676 typedef enum 677 { 678 EXT_ATTR_DLLIMPORT = 0, 679 EXT_ATTR_DLLEXPORT, 680 EXT_ATTR_STDCALL, 681 EXT_ATTR_CDECL, 682 EXT_ATTR_FASTCALL, 683 EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST 684 } 685 ext_attr_id_t; 686 687 typedef struct 688 { 689 const char *name; 690 unsigned id; 691 const char *middle_end_name; 692 } 693 ext_attr_t; 694 695 extern const ext_attr_t ext_attr_list[]; 696 697 /* Symbol attribute structure. */ 698 typedef struct 699 { 700 /* Variable attributes. */ 701 unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1, 702 optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, 703 dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, 704 implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1, 705 contiguous:1; 706 707 /* For CLASS containers, the pointer attribute is sometimes set internally 708 even though it was not directly specified. In this case, keep the 709 "real" (original) value here. */ 710 unsigned class_pointer:1; 711 712 ENUM_BITFIELD (save_state) save:2; 713 714 unsigned data:1, /* Symbol is named in a DATA statement. */ 715 is_protected:1, /* Symbol has been marked as protected. */ 716 use_assoc:1, /* Symbol has been use-associated. */ 717 use_only:1, /* Symbol has been use-associated, with ONLY. */ 718 use_rename:1, /* Symbol has been use-associated and renamed. */ 719 imported:1, /* Symbol has been associated by IMPORT. */ 720 host_assoc:1; /* Symbol has been host associated. */ 721 722 unsigned in_namelist:1, in_common:1, in_equivalence:1; 723 unsigned function:1, subroutine:1, procedure:1; 724 unsigned generic:1, generic_copy:1; 725 unsigned implicit_type:1; /* Type defined via implicit rules. */ 726 unsigned untyped:1; /* No implicit type could be found. */ 727 728 unsigned is_bind_c:1; /* say if is bound to C. */ 729 unsigned extension:8; /* extension level of a derived type. */ 730 unsigned is_class:1; /* is a CLASS container. */ 731 unsigned class_ok:1; /* is a CLASS object with correct attributes. */ 732 unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */ 733 unsigned vtype:1; /* is a derived type of a vtab. */ 734 735 /* These flags are both in the typespec and attribute. The attribute 736 list is what gets read from/written to a module file. The typespec 737 is created from a decl being processed. */ 738 unsigned is_c_interop:1; /* It's c interoperable. */ 739 unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ 740 741 /* Function/subroutine attributes */ 742 unsigned sequence:1, elemental:1, pure:1, recursive:1; 743 unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; 744 745 /* Set if a (public) symbol [e.g. generic name] exposes this symbol, 746 which is relevant for private module procedures. */ 747 unsigned public_used:1; 748 749 /* This is set if a contained procedure could be declared pure. This is 750 used for certain optimizations that require the result or arguments 751 cannot alias. Note that this is zero for PURE procedures. */ 752 unsigned implicit_pure:1; 753 754 /* This is set if the subroutine doesn't return. Currently, this 755 is only possible for intrinsic subroutines. */ 756 unsigned noreturn:1; 757 758 /* Set if this procedure is an alternate entry point. These procedures 759 don't have any code associated, and the backend will turn them into 760 thunks to the master function. */ 761 unsigned entry:1; 762 763 /* Set if this is the master function for a procedure with multiple 764 entry points. */ 765 unsigned entry_master:1; 766 767 /* Set if this is the master function for a function with multiple 768 entry points where characteristics of the entry points differ. */ 769 unsigned mixed_entry_master:1; 770 771 /* Set if a function must always be referenced by an explicit interface. */ 772 unsigned always_explicit:1; 773 774 /* Set if the symbol is generated and, hence, standard violations 775 shouldn't be flaged. */ 776 unsigned artificial:1; 777 778 /* Set if the symbol has been referenced in an expression. No further 779 modification of type or type parameters is permitted. */ 780 unsigned referenced:1; 781 782 /* Set if this is the symbol for the main program. */ 783 unsigned is_main_program:1; 784 785 /* Mutually exclusive multibit attributes. */ 786 ENUM_BITFIELD (gfc_access) access:2; 787 ENUM_BITFIELD (sym_intent) intent:2; 788 ENUM_BITFIELD (sym_flavor) flavor:4; 789 ENUM_BITFIELD (ifsrc) if_source:2; 790 791 ENUM_BITFIELD (procedure_type) proc:3; 792 793 /* Special attributes for Cray pointers, pointees. */ 794 unsigned cray_pointer:1, cray_pointee:1; 795 796 /* The symbol is a derived type with allocatable components, pointer 797 components or private components, procedure pointer components, 798 possibly nested. zero_comp is true if the derived type has no 799 component at all. defined_assign_comp is true if the derived 800 type or a (sub-)component has a typebound defined assignment. 801 unlimited_polymorphic flags the type of the container for these 802 entities. */ 803 unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1, 804 private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1, 805 defined_assign_comp:1, unlimited_polymorphic:1; 806 807 /* This is a temporary selector for SELECT TYPE or an associate 808 variable for SELECT_TYPE or ASSOCIATE. */ 809 unsigned select_type_temporary:1, associate_var:1; 810 811 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */ 812 unsigned ext_attr:EXT_ATTR_NUM; 813 814 /* The namespace where the attribute has been set. */ 815 struct gfc_namespace *volatile_ns, *asynchronous_ns; 816 } 817 symbol_attribute; 818 819 820 /* We need to store source lines as sequences of multibyte source 821 characters. We define here a type wide enough to hold any multibyte 822 source character, just like libcpp does. A 32-bit type is enough. */ 823 824 #if HOST_BITS_PER_INT >= 32 825 typedef unsigned int gfc_char_t; 826 #elif HOST_BITS_PER_LONG >= 32 827 typedef unsigned long gfc_char_t; 828 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) 829 typedef unsigned long long gfc_char_t; 830 #else 831 # error "Cannot find an integer type with at least 32 bits" 832 #endif 833 834 835 /* The following three structures are used to identify a location in 836 the sources. 837 838 gfc_file is used to maintain a tree of the source files and how 839 they include each other 840 841 gfc_linebuf holds a single line of source code and information 842 which file it resides in 843 844 locus point to the sourceline and the character in the source 845 line. 846 */ 847 848 typedef struct gfc_file 849 { 850 struct gfc_file *next, *up; 851 int inclusion_line, line; 852 char *filename; 853 } gfc_file; 854 855 typedef struct gfc_linebuf 856 { 857 source_location location; 858 struct gfc_file *file; 859 struct gfc_linebuf *next; 860 861 int truncated; 862 bool dbg_emitted; 863 864 gfc_char_t line[1]; 865 } gfc_linebuf; 866 867 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) 868 869 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) 870 871 typedef struct 872 { 873 gfc_char_t *nextc; 874 gfc_linebuf *lb; 875 } locus; 876 877 /* In order for the "gfc" format checking to work correctly, you must 878 have declared a typedef locus first. */ 879 #if GCC_VERSION >= 4001 880 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) 881 #else 882 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) 883 #endif 884 885 886 /* Suppress error messages or re-enable them. */ 887 888 void gfc_push_suppress_errors (void); 889 void gfc_pop_suppress_errors (void); 890 891 892 /* Character length structures hold the expression that gives the 893 length of a character variable. We avoid putting these into 894 gfc_typespec because doing so prevents us from doing structure 895 copies and forces us to deallocate any typespecs we create, as well 896 as structures that contain typespecs. They also can have multiple 897 character typespecs pointing to them. 898 899 These structures form a singly linked list within the current 900 namespace and are deallocated with the namespace. It is possible to 901 end up with gfc_charlen structures that have nothing pointing to them. */ 902 903 typedef struct gfc_charlen 904 { 905 struct gfc_expr *length; 906 struct gfc_charlen *next; 907 bool length_from_typespec; /* Length from explicit array ctor typespec? */ 908 tree backend_decl; 909 tree passed_length; /* Length argument explicitly passed. */ 910 911 int resolved; 912 } 913 gfc_charlen; 914 915 #define gfc_get_charlen() XCNEW (gfc_charlen) 916 917 /* Type specification structure. */ 918 typedef struct 919 { 920 bt type; 921 int kind; 922 923 union 924 { 925 struct gfc_symbol *derived; /* For derived types only. */ 926 gfc_charlen *cl; /* For character types only. */ 927 int pad; /* For hollerith types only. */ 928 } 929 u; 930 931 struct gfc_symbol *interface; /* For PROCEDURE declarations. */ 932 int is_c_interop; 933 int is_iso_c; 934 bt f90_type; 935 bool deferred; 936 } 937 gfc_typespec; 938 939 /* Array specification. */ 940 typedef struct 941 { 942 int rank; /* A scalar has a rank of 0, an assumed-rank array has -1. */ 943 int corank; 944 array_type type, cotype; 945 struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; 946 947 /* These two fields are used with the Cray Pointer extension. */ 948 bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ 949 bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to 950 AS_EXPLICIT, but we want to remember that we 951 did this. */ 952 953 } 954 gfc_array_spec; 955 956 #define gfc_get_array_spec() XCNEW (gfc_array_spec) 957 958 959 /* Components of derived types. */ 960 typedef struct gfc_component 961 { 962 const char *name; 963 gfc_typespec ts; 964 965 symbol_attribute attr; 966 gfc_array_spec *as; 967 968 tree backend_decl; 969 /* Used to cache a FIELD_DECL matching this same component 970 but applied to a different backend containing type that was 971 generated by gfc_nonrestricted_type. */ 972 tree norestrict_decl; 973 locus loc; 974 struct gfc_expr *initializer; 975 struct gfc_component *next; 976 977 /* Needed for procedure pointer components. */ 978 struct gfc_typebound_proc *tb; 979 } 980 gfc_component; 981 982 #define gfc_get_component() XCNEW (gfc_component) 983 984 /* Formal argument lists are lists of symbols. */ 985 typedef struct gfc_formal_arglist 986 { 987 /* Symbol representing the argument at this position in the arglist. */ 988 struct gfc_symbol *sym; 989 /* Points to the next formal argument. */ 990 struct gfc_formal_arglist *next; 991 } 992 gfc_formal_arglist; 993 994 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) 995 996 997 /* The gfc_actual_arglist structure is for actual arguments. */ 998 typedef struct gfc_actual_arglist 999 { 1000 const char *name; 1001 /* Alternate return label when the expr member is null. */ 1002 struct gfc_st_label *label; 1003 1004 /* This is set to the type of an eventual omitted optional 1005 argument. This is used to determine if a hidden string length 1006 argument has to be added to a function call. */ 1007 bt missing_arg_type; 1008 1009 struct gfc_expr *expr; 1010 struct gfc_actual_arglist *next; 1011 } 1012 gfc_actual_arglist; 1013 1014 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) 1015 1016 1017 /* Because a symbol can belong to multiple namelists, they must be 1018 linked externally to the symbol itself. */ 1019 typedef struct gfc_namelist 1020 { 1021 struct gfc_symbol *sym; 1022 struct gfc_namelist *next; 1023 } 1024 gfc_namelist; 1025 1026 #define gfc_get_namelist() XCNEW (gfc_namelist) 1027 1028 enum 1029 { 1030 OMP_LIST_PRIVATE, 1031 OMP_LIST_FIRSTPRIVATE, 1032 OMP_LIST_LASTPRIVATE, 1033 OMP_LIST_COPYPRIVATE, 1034 OMP_LIST_SHARED, 1035 OMP_LIST_COPYIN, 1036 OMP_LIST_PLUS, 1037 OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS, 1038 OMP_LIST_MULT, 1039 OMP_LIST_SUB, 1040 OMP_LIST_AND, 1041 OMP_LIST_OR, 1042 OMP_LIST_EQV, 1043 OMP_LIST_NEQV, 1044 OMP_LIST_MAX, 1045 OMP_LIST_MIN, 1046 OMP_LIST_IAND, 1047 OMP_LIST_IOR, 1048 OMP_LIST_IEOR, 1049 OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR, 1050 OMP_LIST_NUM 1051 }; 1052 1053 /* Because a symbol can belong to multiple namelists, they must be 1054 linked externally to the symbol itself. */ 1055 1056 enum gfc_omp_sched_kind 1057 { 1058 OMP_SCHED_NONE, 1059 OMP_SCHED_STATIC, 1060 OMP_SCHED_DYNAMIC, 1061 OMP_SCHED_GUIDED, 1062 OMP_SCHED_RUNTIME, 1063 OMP_SCHED_AUTO 1064 }; 1065 1066 enum gfc_omp_default_sharing 1067 { 1068 OMP_DEFAULT_UNKNOWN, 1069 OMP_DEFAULT_NONE, 1070 OMP_DEFAULT_PRIVATE, 1071 OMP_DEFAULT_SHARED, 1072 OMP_DEFAULT_FIRSTPRIVATE 1073 }; 1074 1075 typedef struct gfc_omp_clauses 1076 { 1077 struct gfc_expr *if_expr; 1078 struct gfc_expr *final_expr; 1079 struct gfc_expr *num_threads; 1080 gfc_namelist *lists[OMP_LIST_NUM]; 1081 enum gfc_omp_sched_kind sched_kind; 1082 struct gfc_expr *chunk_size; 1083 enum gfc_omp_default_sharing default_sharing; 1084 int collapse; 1085 bool nowait, ordered, untied, mergeable; 1086 } 1087 gfc_omp_clauses; 1088 1089 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) 1090 1091 1092 /* The gfc_st_label structure is a BBT attached to a namespace that 1093 records the usage of statement labels within that space. */ 1094 1095 typedef struct gfc_st_label 1096 { 1097 BBT_HEADER(gfc_st_label); 1098 1099 int value; 1100 1101 gfc_sl_type defined, referenced; 1102 1103 struct gfc_expr *format; 1104 1105 tree backend_decl; 1106 1107 locus where; 1108 } 1109 gfc_st_label; 1110 1111 1112 /* gfc_interface()-- Interfaces are lists of symbols strung together. */ 1113 typedef struct gfc_interface 1114 { 1115 struct gfc_symbol *sym; 1116 locus where; 1117 struct gfc_interface *next; 1118 } 1119 gfc_interface; 1120 1121 #define gfc_get_interface() XCNEW (gfc_interface) 1122 1123 /* User operator nodes. These are like stripped down symbols. */ 1124 typedef struct 1125 { 1126 const char *name; 1127 1128 gfc_interface *op; 1129 struct gfc_namespace *ns; 1130 gfc_access access; 1131 } 1132 gfc_user_op; 1133 1134 1135 /* A list of specific bindings that are associated with a generic spec. */ 1136 typedef struct gfc_tbp_generic 1137 { 1138 /* The parser sets specific_st, upon resolution we look for the corresponding 1139 gfc_typebound_proc and set specific for further use. */ 1140 struct gfc_symtree* specific_st; 1141 struct gfc_typebound_proc* specific; 1142 1143 struct gfc_tbp_generic* next; 1144 bool is_operator; 1145 } 1146 gfc_tbp_generic; 1147 1148 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic) 1149 1150 1151 /* Data needed for type-bound procedures. */ 1152 typedef struct gfc_typebound_proc 1153 { 1154 locus where; /* Where the PROCEDURE/GENERIC definition was. */ 1155 1156 union 1157 { 1158 struct gfc_symtree* specific; /* The interface if DEFERRED. */ 1159 gfc_tbp_generic* generic; 1160 } 1161 u; 1162 1163 gfc_access access; 1164 const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */ 1165 1166 /* The overridden type-bound proc (or GENERIC with this name in the 1167 parent-type) or NULL if non. */ 1168 struct gfc_typebound_proc* overridden; 1169 1170 /* Once resolved, we use the position of pass_arg in the formal arglist of 1171 the binding-target procedure to identify it. The first argument has 1172 number 1 here, the second 2, and so on. */ 1173 unsigned pass_arg_num; 1174 1175 unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */ 1176 unsigned non_overridable:1; 1177 unsigned deferred:1; 1178 unsigned is_generic:1; 1179 unsigned function:1, subroutine:1; 1180 unsigned error:1; /* Ignore it, when an error occurred during resolution. */ 1181 unsigned ppc:1; 1182 } 1183 gfc_typebound_proc; 1184 1185 1186 /* Symbol nodes. These are important things. They are what the 1187 standard refers to as "entities". The possibly multiple names that 1188 refer to the same entity are accomplished by a binary tree of 1189 symtree structures that is balanced by the red-black method-- more 1190 than one symtree node can point to any given symbol. */ 1191 1192 typedef struct gfc_symbol 1193 { 1194 const char *name; /* Primary name, before renaming */ 1195 const char *module; /* Module this symbol came from */ 1196 locus declared_at; 1197 1198 gfc_typespec ts; 1199 symbol_attribute attr; 1200 1201 /* The formal member points to the formal argument list if the 1202 symbol is a function or subroutine name. If the symbol is a 1203 generic name, the generic member points to the list of 1204 interfaces. */ 1205 1206 gfc_interface *generic; 1207 gfc_access component_access; 1208 1209 gfc_formal_arglist *formal; 1210 struct gfc_namespace *formal_ns; 1211 struct gfc_namespace *f2k_derived; 1212 1213 struct gfc_expr *value; /* Parameter/Initializer value */ 1214 gfc_array_spec *as; 1215 struct gfc_symbol *result; /* function result symbol */ 1216 gfc_component *components; /* Derived type components */ 1217 1218 /* Defined only for Cray pointees; points to their pointer. */ 1219 struct gfc_symbol *cp_pointer; 1220 1221 int entry_id; /* Used in resolve.c for entries. */ 1222 1223 /* CLASS hashed name for declared and dynamic types in the class. */ 1224 int hash_value; 1225 1226 struct gfc_symbol *common_next; /* Links for COMMON syms */ 1227 1228 /* This is in fact a gfc_common_head but it is only used for pointer 1229 comparisons to check if symbols are in the same common block. */ 1230 struct gfc_common_head* common_head; 1231 1232 /* Make sure setup code for dummy arguments is generated in the correct 1233 order. */ 1234 int dummy_order; 1235 1236 gfc_namelist *namelist, *namelist_tail; 1237 1238 /* Change management fields. Symbols that might be modified by the 1239 current statement have the mark member nonzero and are kept in a 1240 singly linked list through the tlink field. Of these symbols, 1241 symbols with old_symbol equal to NULL are symbols created within 1242 the current statement. Otherwise, old_symbol points to a copy of 1243 the old symbol. */ 1244 1245 struct gfc_symbol *old_symbol, *tlink; 1246 unsigned mark:1, gfc_new:1; 1247 /* Nonzero if all equivalences associated with this symbol have been 1248 processed. */ 1249 unsigned equiv_built:1; 1250 /* Set if this variable is used as an index name in a FORALL. */ 1251 unsigned forall_index:1; 1252 /* Used to avoid multiple resolutions of a single symbol. */ 1253 unsigned resolved:1; 1254 1255 int refs; 1256 struct gfc_namespace *ns; /* namespace containing this symbol */ 1257 1258 tree backend_decl; 1259 1260 /* Identity of the intrinsic module the symbol comes from, or 1261 INTMOD_NONE if it's not imported from a intrinsic module. */ 1262 intmod_id from_intmod; 1263 /* Identity of the symbol from intrinsic modules, from enums maintained 1264 separately by each intrinsic module. Used together with from_intmod, 1265 it uniquely identifies a symbol from an intrinsic module. */ 1266 int intmod_sym_id; 1267 1268 /* This may be repetitive, since the typespec now has a binding 1269 label field. */ 1270 const char* binding_label; 1271 /* Store a reference to the common_block, if this symbol is in one. */ 1272 struct gfc_common_head *common_block; 1273 1274 /* Link to corresponding association-list if this is an associate name. */ 1275 struct gfc_association_list *assoc; 1276 } 1277 gfc_symbol; 1278 1279 1280 struct gfc_undo_change_set 1281 { 1282 vec<gfc_symbol *> syms; 1283 vec<gfc_typebound_proc *> tbps; 1284 gfc_undo_change_set *previous; 1285 }; 1286 1287 1288 /* This structure is used to keep track of symbols in common blocks. */ 1289 typedef struct gfc_common_head 1290 { 1291 locus where; 1292 char use_assoc, saved, threadprivate; 1293 char name[GFC_MAX_SYMBOL_LEN + 1]; 1294 struct gfc_symbol *head; 1295 const char* binding_label; 1296 int is_bind_c; 1297 int refs; 1298 } 1299 gfc_common_head; 1300 1301 #define gfc_get_common_head() XCNEW (gfc_common_head) 1302 1303 1304 /* A list of all the alternate entry points for a procedure. */ 1305 1306 typedef struct gfc_entry_list 1307 { 1308 /* The symbol for this entry point. */ 1309 gfc_symbol *sym; 1310 /* The zero-based id of this entry point. */ 1311 int id; 1312 /* The LABEL_EXPR marking this entry point. */ 1313 tree label; 1314 /* The next item in the list. */ 1315 struct gfc_entry_list *next; 1316 } 1317 gfc_entry_list; 1318 1319 #define gfc_get_entry_list() XCNEW (gfc_entry_list) 1320 1321 /* Lists of rename info for the USE statement. */ 1322 1323 typedef struct gfc_use_rename 1324 { 1325 char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1]; 1326 struct gfc_use_rename *next; 1327 int found; 1328 gfc_intrinsic_op op; 1329 locus where; 1330 } 1331 gfc_use_rename; 1332 1333 #define gfc_get_use_rename() XCNEW (gfc_use_rename); 1334 1335 /* A list of all USE statements in a namespace. */ 1336 1337 typedef struct gfc_use_list 1338 { 1339 const char *module_name; 1340 bool intrinsic; 1341 bool non_intrinsic; 1342 bool only_flag; 1343 struct gfc_use_rename *rename; 1344 locus where; 1345 /* Next USE statement. */ 1346 struct gfc_use_list *next; 1347 } 1348 gfc_use_list; 1349 1350 #define gfc_get_use_list() XCNEW (gfc_use_list) 1351 1352 /* Within a namespace, symbols are pointed to by symtree nodes that 1353 are linked together in a balanced binary tree. There can be 1354 several symtrees pointing to the same symbol node via USE 1355 statements. */ 1356 1357 typedef struct gfc_symtree 1358 { 1359 BBT_HEADER (gfc_symtree); 1360 const char *name; 1361 int ambiguous; 1362 union 1363 { 1364 gfc_symbol *sym; /* Symbol associated with this node */ 1365 gfc_user_op *uop; 1366 gfc_common_head *common; 1367 gfc_typebound_proc *tb; 1368 } 1369 n; 1370 } 1371 gfc_symtree; 1372 1373 /* A linked list of derived types in the namespace. */ 1374 typedef struct gfc_dt_list 1375 { 1376 struct gfc_symbol *derived; 1377 struct gfc_dt_list *next; 1378 } 1379 gfc_dt_list; 1380 1381 #define gfc_get_dt_list() XCNEW (gfc_dt_list) 1382 1383 /* A list of all derived types. */ 1384 extern gfc_dt_list *gfc_derived_types; 1385 1386 /* A namespace describes the contents of procedure, module, interface block 1387 or BLOCK construct. */ 1388 /* ??? Anything else use these? */ 1389 1390 typedef struct gfc_namespace 1391 { 1392 /* Tree containing all the symbols in this namespace. */ 1393 gfc_symtree *sym_root; 1394 /* Tree containing all the user-defined operators in the namespace. */ 1395 gfc_symtree *uop_root; 1396 /* Tree containing all the common blocks. */ 1397 gfc_symtree *common_root; 1398 1399 /* Tree containing type-bound procedures. */ 1400 gfc_symtree *tb_sym_root; 1401 /* Type-bound user operators. */ 1402 gfc_symtree *tb_uop_root; 1403 /* For derived-types, store type-bound intrinsic operators here. */ 1404 gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS]; 1405 /* Linked list of finalizer procedures. */ 1406 struct gfc_finalizer *finalizers; 1407 1408 /* If set_flag[letter] is set, an implicit type has been set for letter. */ 1409 int set_flag[GFC_LETTERS]; 1410 /* Keeps track of the implicit types associated with the letters. */ 1411 gfc_typespec default_type[GFC_LETTERS]; 1412 /* Store the positions of IMPLICIT statements. */ 1413 locus implicit_loc[GFC_LETTERS]; 1414 1415 /* If this is a namespace of a procedure, this points to the procedure. */ 1416 struct gfc_symbol *proc_name; 1417 /* If this is the namespace of a unit which contains executable 1418 code, this points to it. */ 1419 struct gfc_code *code; 1420 1421 /* Points to the equivalences set up in this namespace. */ 1422 struct gfc_equiv *equiv, *old_equiv; 1423 1424 /* Points to the equivalence groups produced by trans_common. */ 1425 struct gfc_equiv_list *equiv_lists; 1426 1427 gfc_interface *op[GFC_INTRINSIC_OPS]; 1428 1429 /* Points to the parent namespace, i.e. the namespace of a module or 1430 procedure in which the procedure belonging to this namespace is 1431 contained. The parent namespace points to this namespace either 1432 directly via CONTAINED, or indirectly via the chain built by 1433 SIBLING. */ 1434 struct gfc_namespace *parent; 1435 /* CONTAINED points to the first contained namespace. Sibling 1436 namespaces are chained via SIBLING. */ 1437 struct gfc_namespace *contained, *sibling; 1438 1439 gfc_common_head blank_common; 1440 gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; 1441 1442 gfc_st_label *st_labels; 1443 /* This list holds information about all the data initializers in 1444 this namespace. */ 1445 struct gfc_data *data; 1446 1447 gfc_charlen *cl_list, *old_cl_list; 1448 1449 gfc_dt_list *derived_types; 1450 1451 int save_all, seen_save, seen_implicit_none; 1452 1453 /* Normally we don't need to refcount namespaces. However when we read 1454 a module containing a function with multiple entry points, this 1455 will appear as several functions with the same formal namespace. */ 1456 int refs; 1457 1458 /* A list of all alternate entry points to this procedure (or NULL). */ 1459 gfc_entry_list *entries; 1460 1461 /* A list of USE statements in this namespace. */ 1462 gfc_use_list *use_stmts; 1463 1464 /* Set to 1 if namespace is a BLOCK DATA program unit. */ 1465 unsigned is_block_data:1; 1466 1467 /* Set to 1 if namespace is an interface body with "IMPORT" used. */ 1468 unsigned has_import_set:1; 1469 1470 /* Set to 1 if resolved has been called for this namespace. 1471 Holds -1 during resolution. */ 1472 signed resolved:2; 1473 1474 /* Set to 1 if code has been generated for this namespace. */ 1475 unsigned translated:1; 1476 1477 /* Set to 1 if symbols in this namespace should be 'construct entities', 1478 i.e. for BLOCK local variables. */ 1479 unsigned construct_entities:1; 1480 } 1481 gfc_namespace; 1482 1483 extern gfc_namespace *gfc_current_ns; 1484 extern gfc_namespace *gfc_global_ns_list; 1485 1486 /* Global symbols are symbols of global scope. Currently we only use 1487 this to detect collisions already when parsing. 1488 TODO: Extend to verify procedure calls. */ 1489 1490 enum gfc_symbol_type 1491 { 1492 GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, 1493 GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA 1494 }; 1495 1496 typedef struct gfc_gsymbol 1497 { 1498 BBT_HEADER(gfc_gsymbol); 1499 1500 const char *name; 1501 const char *sym_name; 1502 const char *mod_name; 1503 const char *binding_label; 1504 enum gfc_symbol_type type; 1505 1506 int defined, used; 1507 locus where; 1508 gfc_namespace *ns; 1509 } 1510 gfc_gsymbol; 1511 1512 extern gfc_gsymbol *gfc_gsym_root; 1513 1514 /* Information on interfaces being built. */ 1515 typedef struct 1516 { 1517 interface_type type; 1518 gfc_symbol *sym; 1519 gfc_namespace *ns; 1520 gfc_user_op *uop; 1521 gfc_intrinsic_op op; 1522 } 1523 gfc_interface_info; 1524 1525 extern gfc_interface_info current_interface; 1526 1527 1528 /* Array reference. */ 1529 1530 enum gfc_array_ref_dimen_type 1531 { 1532 DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN 1533 }; 1534 1535 typedef struct gfc_array_ref 1536 { 1537 ar_type type; 1538 int dimen; /* # of components in the reference */ 1539 int codimen; 1540 bool in_allocate; /* For coarray checks. */ 1541 locus where; 1542 gfc_array_spec *as; 1543 1544 locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ 1545 struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], 1546 *stride[GFC_MAX_DIMENSIONS]; 1547 1548 enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS]; 1549 } 1550 gfc_array_ref; 1551 1552 #define gfc_get_array_ref() XCNEW (gfc_array_ref) 1553 1554 1555 /* Component reference nodes. A variable is stored as an expression 1556 node that points to the base symbol. After that, a singly linked 1557 list of component reference nodes gives the variable's complete 1558 resolution. The array_ref component may be present and comes 1559 before the component component. */ 1560 1561 typedef enum 1562 { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING } 1563 ref_type; 1564 1565 typedef struct gfc_ref 1566 { 1567 ref_type type; 1568 1569 union 1570 { 1571 struct gfc_array_ref ar; 1572 1573 struct 1574 { 1575 gfc_component *component; 1576 gfc_symbol *sym; 1577 } 1578 c; 1579 1580 struct 1581 { 1582 struct gfc_expr *start, *end; /* Substring */ 1583 gfc_charlen *length; 1584 } 1585 ss; 1586 1587 } 1588 u; 1589 1590 struct gfc_ref *next; 1591 } 1592 gfc_ref; 1593 1594 #define gfc_get_ref() XCNEW (gfc_ref) 1595 1596 1597 /* Structures representing intrinsic symbols and their arguments lists. */ 1598 typedef struct gfc_intrinsic_arg 1599 { 1600 char name[GFC_MAX_SYMBOL_LEN + 1]; 1601 1602 gfc_typespec ts; 1603 unsigned optional:1, value:1; 1604 ENUM_BITFIELD (sym_intent) intent:2; 1605 gfc_actual_arglist *actual; 1606 1607 struct gfc_intrinsic_arg *next; 1608 1609 } 1610 gfc_intrinsic_arg; 1611 1612 1613 /* Specifies the various kinds of check functions used to verify the 1614 argument lists of intrinsic functions. fX with X an integer refer 1615 to check functions of intrinsics with X arguments. f1m is used for 1616 the MAX and MIN intrinsics which can have an arbitrary number of 1617 arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as 1618 these have special semantics. */ 1619 1620 typedef union 1621 { 1622 gfc_try (*f0)(void); 1623 gfc_try (*f1)(struct gfc_expr *); 1624 gfc_try (*f1m)(gfc_actual_arglist *); 1625 gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *); 1626 gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 1627 gfc_try (*f3ml)(gfc_actual_arglist *); 1628 gfc_try (*f3red)(gfc_actual_arglist *); 1629 gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 1630 struct gfc_expr *); 1631 gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 1632 struct gfc_expr *, struct gfc_expr *); 1633 } 1634 gfc_check_f; 1635 1636 /* Like gfc_check_f, these specify the type of the simplification 1637 function associated with an intrinsic. The fX are just like in 1638 gfc_check_f. cc is used for type conversion functions. */ 1639 1640 typedef union 1641 { 1642 struct gfc_expr *(*f0)(void); 1643 struct gfc_expr *(*f1)(struct gfc_expr *); 1644 struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); 1645 struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, 1646 struct gfc_expr *); 1647 struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, 1648 struct gfc_expr *, struct gfc_expr *); 1649 struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, 1650 struct gfc_expr *, struct gfc_expr *, 1651 struct gfc_expr *); 1652 struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); 1653 } 1654 gfc_simplify_f; 1655 1656 /* Again like gfc_check_f, these specify the type of the resolution 1657 function associated with an intrinsic. The fX are just like in 1658 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ 1659 1660 typedef union 1661 { 1662 void (*f0)(struct gfc_expr *); 1663 void (*f1)(struct gfc_expr *, struct gfc_expr *); 1664 void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); 1665 void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 1666 void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 1667 struct gfc_expr *); 1668 void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 1669 struct gfc_expr *, struct gfc_expr *); 1670 void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, 1671 struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); 1672 void (*s1)(struct gfc_code *); 1673 } 1674 gfc_resolve_f; 1675 1676 1677 typedef struct gfc_intrinsic_sym 1678 { 1679 const char *name, *lib_name; 1680 gfc_intrinsic_arg *formal; 1681 gfc_typespec ts; 1682 unsigned elemental:1, inquiry:1, transformational:1, pure:1, 1683 generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1, 1684 from_module:1; 1685 1686 int standard; 1687 1688 gfc_simplify_f simplify; 1689 gfc_check_f check; 1690 gfc_resolve_f resolve; 1691 struct gfc_intrinsic_sym *specific_head, *next; 1692 gfc_isym_id id; 1693 1694 } 1695 gfc_intrinsic_sym; 1696 1697 1698 /* Expression nodes. The expression node types deserve explanations, 1699 since the last couple can be easily misconstrued: 1700 1701 EXPR_OP Operator node pointing to one or two other nodes 1702 EXPR_FUNCTION Function call, symbol points to function's name 1703 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex 1704 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list 1705 which expresses structure, array and substring refs. 1706 EXPR_NULL The NULL pointer value (which also has a basic type). 1707 EXPR_SUBSTRING A substring of a constant string 1708 EXPR_STRUCTURE A structure constructor 1709 EXPR_ARRAY An array constructor. 1710 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer 1711 component or type-bound procedure. */ 1712 1713 #include <mpfr.h> 1714 #include <mpc.h> 1715 #define GFC_RND_MODE GMP_RNDN 1716 #define GFC_MPC_RND_MODE MPC_RNDNN 1717 1718 typedef splay_tree gfc_constructor_base; 1719 1720 typedef struct gfc_expr 1721 { 1722 expr_t expr_type; 1723 1724 gfc_typespec ts; /* These two refer to the overall expression */ 1725 1726 int rank; /* 0 indicates a scalar, -1 an assumed-rank array. */ 1727 mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ 1728 1729 /* Nonnull for functions and structure constructors, may also used to hold the 1730 base-object for component calls. */ 1731 gfc_symtree *symtree; 1732 1733 gfc_ref *ref; 1734 1735 locus where; 1736 1737 /* Used to store the base expression in component calls, when the expression 1738 is not a variable. */ 1739 struct gfc_expr *base_expr; 1740 1741 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan 1742 denotes a signalling not-a-number. */ 1743 unsigned int is_boz : 1, is_snan : 1; 1744 1745 /* Sometimes, when an error has been emitted, it is necessary to prevent 1746 it from recurring. */ 1747 unsigned int error : 1; 1748 1749 /* Mark an expression where a user operator has been substituted by 1750 a function call in interface.c(gfc_extend_expr). */ 1751 unsigned int user_operator : 1; 1752 1753 /* Mark an expression as being a MOLD argument of ALLOCATE. */ 1754 unsigned int mold : 1; 1755 1756 /* If an expression comes from a Hollerith constant or compile-time 1757 evaluation of a transfer statement, it may have a prescribed target- 1758 memory representation, and these cannot always be backformed from 1759 the value. */ 1760 struct 1761 { 1762 int length; 1763 char *string; 1764 } 1765 representation; 1766 1767 union 1768 { 1769 int logical; 1770 1771 io_kind iokind; 1772 1773 mpz_t integer; 1774 1775 mpfr_t real; 1776 1777 mpc_t complex; 1778 1779 struct 1780 { 1781 gfc_intrinsic_op op; 1782 gfc_user_op *uop; 1783 struct gfc_expr *op1, *op2; 1784 } 1785 op; 1786 1787 struct 1788 { 1789 gfc_actual_arglist *actual; 1790 const char *name; /* Points to the ultimate name of the function */ 1791 gfc_intrinsic_sym *isym; 1792 gfc_symbol *esym; 1793 } 1794 function; 1795 1796 struct 1797 { 1798 gfc_actual_arglist* actual; 1799 const char* name; 1800 /* Base-object, whose component was called. NULL means that it should 1801 be taken from symtree/ref. */ 1802 struct gfc_expr* base_object; 1803 gfc_typebound_proc* tbp; /* Should overlap with esym. */ 1804 1805 /* For type-bound operators, we want to call PASS procedures but already 1806 have the full arglist; mark this, so that it is not extended by the 1807 PASS argument. */ 1808 unsigned ignore_pass:1; 1809 1810 /* Do assign-calls rather than calls, that is appropriate dependency 1811 checking. */ 1812 unsigned assign:1; 1813 } 1814 compcall; 1815 1816 struct 1817 { 1818 int length; 1819 gfc_char_t *string; 1820 } 1821 character; 1822 1823 gfc_constructor_base constructor; 1824 } 1825 value; 1826 1827 } 1828 gfc_expr; 1829 1830 1831 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank))) 1832 1833 /* Structures for information associated with different kinds of 1834 numbers. The first set of integer parameters define all there is 1835 to know about a particular kind. The rest of the elements are 1836 computed from the first elements. */ 1837 1838 typedef struct 1839 { 1840 /* Values really representable by the target. */ 1841 mpz_t huge, pedantic_min_int, min_int; 1842 1843 int kind, radix, digits, bit_size, range; 1844 1845 /* True if the C type of the given name maps to this precision. 1846 Note that more than one bit can be set. */ 1847 unsigned int c_char : 1; 1848 unsigned int c_short : 1; 1849 unsigned int c_int : 1; 1850 unsigned int c_long : 1; 1851 unsigned int c_long_long : 1; 1852 } 1853 gfc_integer_info; 1854 1855 extern gfc_integer_info gfc_integer_kinds[]; 1856 1857 1858 typedef struct 1859 { 1860 int kind, bit_size; 1861 1862 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ 1863 unsigned int c_bool : 1; 1864 } 1865 gfc_logical_info; 1866 1867 extern gfc_logical_info gfc_logical_kinds[]; 1868 1869 1870 typedef struct 1871 { 1872 mpfr_t epsilon, huge, tiny, subnormal; 1873 int kind, radix, digits, min_exponent, max_exponent; 1874 int range, precision; 1875 1876 /* The precision of the type as reported by GET_MODE_PRECISION. */ 1877 int mode_precision; 1878 1879 /* True if the C type of the given name maps to this precision. 1880 Note that more than one bit can be set. */ 1881 unsigned int c_float : 1; 1882 unsigned int c_double : 1; 1883 unsigned int c_long_double : 1; 1884 unsigned int c_float128 : 1; 1885 } 1886 gfc_real_info; 1887 1888 extern gfc_real_info gfc_real_kinds[]; 1889 1890 typedef struct 1891 { 1892 int kind, bit_size; 1893 const char *name; 1894 } 1895 gfc_character_info; 1896 1897 extern gfc_character_info gfc_character_kinds[]; 1898 1899 1900 /* Equivalence structures. Equivalent lvalues are linked along the 1901 *eq pointer, equivalence sets are strung along the *next node. */ 1902 typedef struct gfc_equiv 1903 { 1904 struct gfc_equiv *next, *eq; 1905 gfc_expr *expr; 1906 const char *module; 1907 int used; 1908 } 1909 gfc_equiv; 1910 1911 #define gfc_get_equiv() XCNEW (gfc_equiv) 1912 1913 /* Holds a single equivalence member after processing. */ 1914 typedef struct gfc_equiv_info 1915 { 1916 gfc_symbol *sym; 1917 HOST_WIDE_INT offset; 1918 HOST_WIDE_INT length; 1919 struct gfc_equiv_info *next; 1920 } gfc_equiv_info; 1921 1922 /* Holds equivalence groups, after they have been processed. */ 1923 typedef struct gfc_equiv_list 1924 { 1925 gfc_equiv_info *equiv; 1926 struct gfc_equiv_list *next; 1927 } gfc_equiv_list; 1928 1929 /* gfc_case stores the selector list of a case statement. The *low 1930 and *high pointers can point to the same expression in the case of 1931 a single value. If *high is NULL, the selection is from *low 1932 upwards, if *low is NULL the selection is *high downwards. 1933 1934 This structure has separate fields to allow single and double linked 1935 lists of CASEs at the same time. The singe linked list along the NEXT 1936 field is a list of cases for a single CASE label. The double linked 1937 list along the LEFT/RIGHT fields is used to detect overlap and to 1938 build a table of the cases for SELECT constructs with a CHARACTER 1939 case expression. */ 1940 1941 typedef struct gfc_case 1942 { 1943 /* Where we saw this case. */ 1944 locus where; 1945 int n; 1946 1947 /* Case range values. If (low == high), it's a single value. If one of 1948 the labels is NULL, it's an unbounded case. If both are NULL, this 1949 represents the default case. */ 1950 gfc_expr *low, *high; 1951 1952 /* Only used for SELECT TYPE. */ 1953 gfc_typespec ts; 1954 1955 /* Next case label in the list of cases for a single CASE label. */ 1956 struct gfc_case *next; 1957 1958 /* Used for detecting overlap, and for code generation. */ 1959 struct gfc_case *left, *right; 1960 1961 /* True if this case label can never be matched. */ 1962 int unreachable; 1963 } 1964 gfc_case; 1965 1966 #define gfc_get_case() XCNEW (gfc_case) 1967 1968 1969 typedef struct 1970 { 1971 gfc_expr *var, *start, *end, *step; 1972 } 1973 gfc_iterator; 1974 1975 #define gfc_get_iterator() XCNEW (gfc_iterator) 1976 1977 1978 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ 1979 1980 typedef struct gfc_alloc 1981 { 1982 gfc_expr *expr; 1983 struct gfc_alloc *next; 1984 } 1985 gfc_alloc; 1986 1987 #define gfc_get_alloc() XCNEW (gfc_alloc) 1988 1989 1990 typedef struct 1991 { 1992 gfc_expr *unit, *file, *status, *access, *form, *recl, 1993 *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, 1994 *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit; 1995 gfc_st_label *err; 1996 } 1997 gfc_open; 1998 1999 2000 typedef struct 2001 { 2002 gfc_expr *unit, *status, *iostat, *iomsg; 2003 gfc_st_label *err; 2004 } 2005 gfc_close; 2006 2007 2008 typedef struct 2009 { 2010 gfc_expr *unit, *iostat, *iomsg; 2011 gfc_st_label *err; 2012 } 2013 gfc_filepos; 2014 2015 2016 typedef struct 2017 { 2018 gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, 2019 *name, *access, *sequential, *direct, *form, *formatted, 2020 *unformatted, *recl, *nextrec, *blank, *position, *action, *read, 2021 *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, 2022 *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id, 2023 *iqstream; 2024 2025 gfc_st_label *err; 2026 2027 } 2028 gfc_inquire; 2029 2030 2031 typedef struct 2032 { 2033 gfc_expr *unit, *iostat, *iomsg, *id; 2034 gfc_st_label *err, *end, *eor; 2035 } 2036 gfc_wait; 2037 2038 2039 typedef struct 2040 { 2041 gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, 2042 *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, 2043 *sign, *extra_comma, *dt_io_kind; 2044 2045 gfc_symbol *namelist; 2046 /* A format_label of `format_asterisk' indicates the "*" format */ 2047 gfc_st_label *format_label; 2048 gfc_st_label *err, *end, *eor; 2049 2050 locus eor_where, end_where, err_where; 2051 } 2052 gfc_dt; 2053 2054 2055 typedef struct gfc_forall_iterator 2056 { 2057 gfc_expr *var, *start, *end, *stride; 2058 struct gfc_forall_iterator *next; 2059 } 2060 gfc_forall_iterator; 2061 2062 2063 /* Linked list to store associations in an ASSOCIATE statement. */ 2064 2065 typedef struct gfc_association_list 2066 { 2067 struct gfc_association_list *next; 2068 2069 /* Whether this is association to a variable that can be changed; otherwise, 2070 it's association to an expression and the name may not be used as 2071 lvalue. */ 2072 unsigned variable:1; 2073 2074 /* True if this struct is currently only linked to from a gfc_symbol rather 2075 than as part of a real list in gfc_code->ext.block.assoc. This may 2076 happen for SELECT TYPE temporaries and must be considered 2077 for memory handling. */ 2078 unsigned dangling:1; 2079 2080 char name[GFC_MAX_SYMBOL_LEN + 1]; 2081 gfc_symtree *st; /* Symtree corresponding to name. */ 2082 locus where; 2083 2084 gfc_expr *target; 2085 } 2086 gfc_association_list; 2087 #define gfc_get_association_list() XCNEW (gfc_association_list) 2088 2089 2090 /* Executable statements that fill gfc_code structures. */ 2091 typedef enum 2092 { 2093 EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN, 2094 EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP, 2095 EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, 2096 EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, 2097 EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE, 2098 EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, 2099 EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE, 2100 EXEC_SELECT_TYPE, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, EXEC_SYNC_IMAGES, 2101 EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, 2102 EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, 2103 EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, 2104 EXEC_LOCK, EXEC_UNLOCK, 2105 EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, 2106 EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, 2107 EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, 2108 EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, 2109 EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, 2110 EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, 2111 EXEC_OMP_TASKYIELD 2112 } 2113 gfc_exec_op; 2114 2115 typedef enum 2116 { 2117 GFC_OMP_ATOMIC_UPDATE, 2118 GFC_OMP_ATOMIC_READ, 2119 GFC_OMP_ATOMIC_WRITE, 2120 GFC_OMP_ATOMIC_CAPTURE 2121 } 2122 gfc_omp_atomic_op; 2123 2124 typedef struct gfc_code 2125 { 2126 gfc_exec_op op; 2127 2128 struct gfc_code *block, *next; 2129 locus loc; 2130 2131 gfc_st_label *here, *label1, *label2, *label3; 2132 gfc_symtree *symtree; 2133 gfc_expr *expr1, *expr2, *expr3, *expr4; 2134 /* A name isn't sufficient to identify a subroutine, we need the actual 2135 symbol for the interface definition. 2136 const char *sub_name; */ 2137 gfc_symbol *resolved_sym; 2138 gfc_intrinsic_sym *resolved_isym; 2139 2140 union 2141 { 2142 gfc_actual_arglist *actual; 2143 gfc_iterator *iterator; 2144 2145 struct 2146 { 2147 gfc_typespec ts; 2148 gfc_alloc *list; 2149 } 2150 alloc; 2151 2152 struct 2153 { 2154 gfc_namespace *ns; 2155 gfc_association_list *assoc; 2156 gfc_case *case_list; 2157 } 2158 block; 2159 2160 gfc_open *open; 2161 gfc_close *close; 2162 gfc_filepos *filepos; 2163 gfc_inquire *inquire; 2164 gfc_wait *wait; 2165 gfc_dt *dt; 2166 gfc_forall_iterator *forall_iterator; 2167 struct gfc_code *which_construct; 2168 int stop_code; 2169 gfc_entry_list *entry; 2170 gfc_omp_clauses *omp_clauses; 2171 const char *omp_name; 2172 gfc_namelist *omp_namelist; 2173 bool omp_bool; 2174 gfc_omp_atomic_op omp_atomic; 2175 } 2176 ext; /* Points to additional structures required by statement */ 2177 2178 /* Cycle and break labels in constructs. */ 2179 tree cycle_label; 2180 tree exit_label; 2181 } 2182 gfc_code; 2183 2184 2185 /* Storage for DATA statements. */ 2186 typedef struct gfc_data_variable 2187 { 2188 gfc_expr *expr; 2189 gfc_iterator iter; 2190 struct gfc_data_variable *list, *next; 2191 } 2192 gfc_data_variable; 2193 2194 2195 typedef struct gfc_data_value 2196 { 2197 mpz_t repeat; 2198 gfc_expr *expr; 2199 struct gfc_data_value *next; 2200 } 2201 gfc_data_value; 2202 2203 2204 typedef struct gfc_data 2205 { 2206 gfc_data_variable *var; 2207 gfc_data_value *value; 2208 locus where; 2209 2210 struct gfc_data *next; 2211 } 2212 gfc_data; 2213 2214 2215 /* Structure for holding compile options */ 2216 typedef struct 2217 { 2218 char *module_dir; 2219 gfc_source_form source_form; 2220 /* Maximum line lengths in fixed- and free-form source, respectively. 2221 When fixed_line_length or free_line_length are 0, the whole line is used, 2222 regardless of length. 2223 2224 If the user requests a fixed_line_length <7 then gfc_init_options() 2225 emits a fatal error. */ 2226 int fixed_line_length; 2227 int free_line_length; 2228 /* Maximum number of continuation lines in fixed- and free-form source, 2229 respectively. */ 2230 int max_continue_fixed; 2231 int max_continue_free; 2232 int max_identifier_length; 2233 int dump_fortran_original; 2234 int dump_fortran_optimized; 2235 2236 int warn_aliasing; 2237 int warn_ampersand; 2238 int gfc_warn_conversion; 2239 int warn_c_binding_type; 2240 int warn_conversion_extra; 2241 int warn_function_elimination; 2242 int warn_implicit_interface; 2243 int warn_implicit_procedure; 2244 int warn_line_truncation; 2245 int warn_surprising; 2246 int warn_tabs; 2247 int warn_underflow; 2248 int warn_intrinsic_shadow; 2249 int warn_intrinsics_std; 2250 int warn_character_truncation; 2251 int warn_array_temp; 2252 int warn_align_commons; 2253 int warn_real_q_constant; 2254 int warn_unused_dummy_argument; 2255 int warn_realloc_lhs; 2256 int warn_realloc_lhs_all; 2257 int warn_compare_reals; 2258 int warn_target_lifetime; 2259 int max_errors; 2260 2261 int flag_all_intrinsics; 2262 int flag_default_double; 2263 int flag_default_integer; 2264 int flag_default_real; 2265 int flag_integer4_kind; 2266 int flag_real4_kind; 2267 int flag_real8_kind; 2268 int flag_dollar_ok; 2269 int flag_underscoring; 2270 int flag_second_underscore; 2271 int flag_implicit_none; 2272 int flag_max_stack_var_size; 2273 int flag_max_array_constructor; 2274 int flag_range_check; 2275 int flag_pack_derived; 2276 int flag_repack_arrays; 2277 int flag_preprocessed; 2278 int flag_f2c; 2279 int flag_automatic; 2280 int flag_backslash; 2281 int flag_backtrace; 2282 int flag_allow_leading_underscore; 2283 int flag_external_blas; 2284 int blas_matmul_limit; 2285 int flag_cray_pointer; 2286 int flag_d_lines; 2287 int gfc_flag_openmp; 2288 int flag_sign_zero; 2289 int flag_stack_arrays; 2290 int flag_module_private; 2291 int flag_recursive; 2292 int flag_init_local_zero; 2293 int flag_init_integer; 2294 int flag_init_integer_value; 2295 int flag_init_real; 2296 int flag_init_logical; 2297 int flag_init_character; 2298 char flag_init_character_value; 2299 int flag_align_commons; 2300 int flag_whole_file; 2301 int flag_protect_parens; 2302 int flag_realloc_lhs; 2303 int flag_aggressive_function_elimination; 2304 int flag_frontend_optimize; 2305 2306 int fpe; 2307 int rtcheck; 2308 gfc_fcoarray coarray; 2309 2310 int warn_std; 2311 int allow_std; 2312 int convert; 2313 int record_marker; 2314 int max_subrecord_length; 2315 } 2316 gfc_option_t; 2317 2318 extern gfc_option_t gfc_option; 2319 2320 /* Constructor nodes for array and structure constructors. */ 2321 typedef struct gfc_constructor 2322 { 2323 gfc_constructor_base base; 2324 mpz_t offset; /* Offset within a constructor, used as 2325 key within base. */ 2326 2327 gfc_expr *expr; 2328 gfc_iterator *iterator; 2329 locus where; 2330 2331 union 2332 { 2333 gfc_component *component; /* Record the component being initialized. */ 2334 } 2335 n; 2336 mpz_t repeat; /* Record the repeat number of initial values in data 2337 statement like "data a/5*10/". */ 2338 } 2339 gfc_constructor; 2340 2341 2342 typedef struct iterator_stack 2343 { 2344 gfc_symtree *variable; 2345 mpz_t value; 2346 struct iterator_stack *prev; 2347 } 2348 iterator_stack; 2349 extern iterator_stack *iter_stack; 2350 2351 2352 /* Used for (possibly nested) SELECT TYPE statements. */ 2353 typedef struct gfc_select_type_stack 2354 { 2355 gfc_symbol *selector; /* Current selector variable. */ 2356 gfc_symtree *tmp; /* Current temporary variable. */ 2357 struct gfc_select_type_stack *prev; /* Previous element on stack. */ 2358 } 2359 gfc_select_type_stack; 2360 extern gfc_select_type_stack *select_type_stack; 2361 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack) 2362 2363 2364 /* Node in the linked list used for storing finalizer procedures. */ 2365 2366 typedef struct gfc_finalizer 2367 { 2368 struct gfc_finalizer* next; 2369 locus where; /* Where the FINAL declaration occurred. */ 2370 2371 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding 2372 symtree and later need only that. This way, we can access and call the 2373 finalizers from every context as they should be "always accessible". I 2374 don't make this a union because we need the information whether proc_sym is 2375 still referenced or not for dereferencing it on deleting a gfc_finalizer 2376 structure. */ 2377 gfc_symbol* proc_sym; 2378 gfc_symtree* proc_tree; 2379 } 2380 gfc_finalizer; 2381 #define gfc_get_finalizer() XCNEW (gfc_finalizer) 2382 2383 2384 /************************ Function prototypes *************************/ 2385 2386 /* decl.c */ 2387 bool gfc_in_match_data (void); 2388 match gfc_match_char_spec (gfc_typespec *); 2389 2390 /* scanner.c */ 2391 void gfc_scanner_done_1 (void); 2392 void gfc_scanner_init_1 (void); 2393 2394 void gfc_add_include_path (const char *, bool, bool, bool); 2395 void gfc_add_intrinsic_modules_path (const char *); 2396 void gfc_release_include_path (void); 2397 FILE *gfc_open_included_file (const char *, bool, bool); 2398 FILE *gfc_open_intrinsic_module (const char *); 2399 2400 int gfc_at_end (void); 2401 int gfc_at_eof (void); 2402 int gfc_at_bol (void); 2403 int gfc_at_eol (void); 2404 void gfc_advance_line (void); 2405 int gfc_check_include (void); 2406 int gfc_define_undef_line (void); 2407 2408 int gfc_wide_is_printable (gfc_char_t); 2409 int gfc_wide_is_digit (gfc_char_t); 2410 int gfc_wide_fits_in_byte (gfc_char_t); 2411 gfc_char_t gfc_wide_tolower (gfc_char_t); 2412 gfc_char_t gfc_wide_toupper (gfc_char_t); 2413 size_t gfc_wide_strlen (const gfc_char_t *); 2414 int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); 2415 gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); 2416 char *gfc_widechar_to_char (const gfc_char_t *, int); 2417 gfc_char_t *gfc_char_to_widechar (const char *); 2418 2419 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) 2420 2421 void gfc_skip_comments (void); 2422 gfc_char_t gfc_next_char_literal (gfc_instring); 2423 gfc_char_t gfc_next_char (void); 2424 char gfc_next_ascii_char (void); 2425 gfc_char_t gfc_peek_char (void); 2426 char gfc_peek_ascii_char (void); 2427 void gfc_error_recovery (void); 2428 void gfc_gobble_whitespace (void); 2429 gfc_try gfc_new_file (void); 2430 const char * gfc_read_orig_filename (const char *, const char **); 2431 2432 extern gfc_source_form gfc_current_form; 2433 extern const char *gfc_source_file; 2434 extern locus gfc_current_locus; 2435 2436 void gfc_start_source_files (void); 2437 void gfc_end_source_files (void); 2438 2439 /* misc.c */ 2440 int gfc_terminal_width (void); 2441 void gfc_clear_ts (gfc_typespec *); 2442 FILE *gfc_open_file (const char *); 2443 const char *gfc_basic_typename (bt); 2444 const char *gfc_typename (gfc_typespec *); 2445 const char *gfc_op2string (gfc_intrinsic_op); 2446 const char *gfc_code2string (const mstring *, int); 2447 int gfc_string2code (const mstring *, const char *); 2448 const char *gfc_intent_string (sym_intent); 2449 2450 void gfc_init_1 (void); 2451 void gfc_init_2 (void); 2452 void gfc_done_1 (void); 2453 void gfc_done_2 (void); 2454 2455 int get_c_kind (const char *, CInteropKind_t *); 2456 2457 /* options.c */ 2458 unsigned int gfc_option_lang_mask (void); 2459 void gfc_init_options_struct (struct gcc_options *); 2460 void gfc_init_options (unsigned int, 2461 struct cl_decoded_option *); 2462 bool gfc_handle_option (size_t, const char *, int, int, location_t, 2463 const struct cl_option_handlers *); 2464 bool gfc_post_options (const char **); 2465 char *gfc_get_option_string (void); 2466 2467 /* f95-lang.c */ 2468 void gfc_maybe_initialize_eh (void); 2469 2470 /* iresolve.c */ 2471 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; 2472 bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); 2473 2474 /* error.c */ 2475 2476 typedef struct gfc_error_buf 2477 { 2478 int flag; 2479 size_t allocated, index; 2480 char *message; 2481 } gfc_error_buf; 2482 2483 void gfc_error_init_1 (void); 2484 void gfc_buffer_error (int); 2485 2486 const char *gfc_print_wide_char (gfc_char_t); 2487 2488 void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 2489 void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 2490 void gfc_clear_warning (void); 2491 void gfc_warning_check (void); 2492 2493 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 2494 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); 2495 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); 2496 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); 2497 void gfc_clear_error (void); 2498 int gfc_error_check (void); 2499 int gfc_error_flag_test (void); 2500 2501 notification gfc_notification_std (int); 2502 gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); 2503 2504 /* A general purpose syntax error. */ 2505 #define gfc_syntax_error(ST) \ 2506 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); 2507 2508 void gfc_push_error (gfc_error_buf *); 2509 void gfc_pop_error (gfc_error_buf *); 2510 void gfc_free_error (gfc_error_buf *); 2511 2512 void gfc_get_errors (int *, int *); 2513 void gfc_errors_to_warnings (int); 2514 2515 /* arith.c */ 2516 void gfc_arith_init_1 (void); 2517 void gfc_arith_done_1 (void); 2518 arith gfc_check_integer_range (mpz_t p, int kind); 2519 bool gfc_check_character_range (gfc_char_t, int); 2520 2521 /* trans-types.c */ 2522 gfc_try gfc_check_any_c_kind (gfc_typespec *); 2523 int gfc_validate_kind (bt, int, bool); 2524 int gfc_get_int_kind_from_width_isofortranenv (int size); 2525 int gfc_get_real_kind_from_width_isofortranenv (int size); 2526 tree gfc_get_derived_type (gfc_symbol * derived); 2527 extern int gfc_index_integer_kind; 2528 extern int gfc_default_integer_kind; 2529 extern int gfc_max_integer_kind; 2530 extern int gfc_default_real_kind; 2531 extern int gfc_default_double_kind; 2532 extern int gfc_default_character_kind; 2533 extern int gfc_default_logical_kind; 2534 extern int gfc_default_complex_kind; 2535 extern int gfc_c_int_kind; 2536 extern int gfc_atomic_int_kind; 2537 extern int gfc_atomic_logical_kind; 2538 extern int gfc_intio_kind; 2539 extern int gfc_charlen_int_kind; 2540 extern int gfc_numeric_storage_size; 2541 extern int gfc_character_storage_size; 2542 2543 /* symbol.c */ 2544 void gfc_clear_new_implicit (void); 2545 gfc_try gfc_add_new_implicit_range (int, int); 2546 gfc_try gfc_merge_new_implicit (gfc_typespec *); 2547 void gfc_set_implicit_none (void); 2548 void gfc_check_function_type (gfc_namespace *); 2549 bool gfc_is_intrinsic_typename (const char *); 2550 2551 gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *); 2552 gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); 2553 2554 void gfc_set_sym_referenced (gfc_symbol *); 2555 2556 gfc_try gfc_add_attribute (symbol_attribute *, locus *); 2557 gfc_try gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *); 2558 gfc_try gfc_add_allocatable (symbol_attribute *, locus *); 2559 gfc_try gfc_add_codimension (symbol_attribute *, const char *, locus *); 2560 gfc_try gfc_add_contiguous (symbol_attribute *, const char *, locus *); 2561 gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *); 2562 gfc_try gfc_add_external (symbol_attribute *, locus *); 2563 gfc_try gfc_add_intrinsic (symbol_attribute *, locus *); 2564 gfc_try gfc_add_optional (symbol_attribute *, locus *); 2565 gfc_try gfc_add_pointer (symbol_attribute *, locus *); 2566 gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *); 2567 gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *); 2568 match gfc_mod_pointee_as (gfc_array_spec *); 2569 gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *); 2570 gfc_try gfc_add_result (symbol_attribute *, const char *, locus *); 2571 gfc_try gfc_add_save (symbol_attribute *, save_state, const char *, locus *); 2572 gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *); 2573 gfc_try gfc_add_saved_common (symbol_attribute *, locus *); 2574 gfc_try gfc_add_target (symbol_attribute *, locus *); 2575 gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *); 2576 gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *); 2577 gfc_try gfc_add_common (symbol_attribute *, locus *); 2578 gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *); 2579 gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); 2580 gfc_try gfc_add_data (symbol_attribute *, const char *, locus *); 2581 gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *); 2582 gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *); 2583 gfc_try gfc_add_elemental (symbol_attribute *, locus *); 2584 gfc_try gfc_add_pure (symbol_attribute *, locus *); 2585 gfc_try gfc_add_recursive (symbol_attribute *, locus *); 2586 gfc_try gfc_add_function (symbol_attribute *, const char *, locus *); 2587 gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *); 2588 gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *); 2589 gfc_try gfc_add_asynchronous (symbol_attribute *, const char *, locus *); 2590 gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); 2591 gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where); 2592 2593 gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); 2594 gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); 2595 gfc_try gfc_add_extension (symbol_attribute *, locus *); 2596 gfc_try gfc_add_value (symbol_attribute *, const char *, locus *); 2597 gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); 2598 gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *); 2599 gfc_try gfc_add_procedure (symbol_attribute *, procedure_type, 2600 const char *, locus *); 2601 gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *); 2602 gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc, 2603 gfc_formal_arglist *, locus *); 2604 gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); 2605 2606 void gfc_clear_attr (symbol_attribute *); 2607 gfc_try gfc_missing_attr (symbol_attribute *, locus *); 2608 gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); 2609 2610 gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **); 2611 gfc_symbol *gfc_use_derived (gfc_symbol *); 2612 gfc_symtree *gfc_use_derived_tree (gfc_symtree *); 2613 gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool); 2614 2615 gfc_st_label *gfc_get_st_label (int); 2616 void gfc_free_st_label (gfc_st_label *); 2617 void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); 2618 gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type); 2619 2620 gfc_namespace *gfc_get_namespace (gfc_namespace *, int); 2621 gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); 2622 gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); 2623 void gfc_delete_symtree (gfc_symtree **, const char *); 2624 gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); 2625 gfc_user_op *gfc_get_uop (const char *); 2626 gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); 2627 void gfc_free_symbol (gfc_symbol *); 2628 void gfc_release_symbol (gfc_symbol *); 2629 gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); 2630 gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *); 2631 int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); 2632 int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); 2633 int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); 2634 gfc_try gfc_verify_c_interop (gfc_typespec *); 2635 gfc_try gfc_verify_c_interop_param (gfc_symbol *); 2636 gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); 2637 gfc_try verify_bind_c_derived_type (gfc_symbol *); 2638 gfc_try verify_com_block_vars_c_interop (gfc_common_head *); 2639 void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *); 2640 gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, const char *, int); 2641 void gfc_save_symbol_data (gfc_symbol *); 2642 int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool); 2643 int gfc_get_ha_symbol (const char *, gfc_symbol **); 2644 int gfc_get_ha_sym_tree (const char *, gfc_symtree **); 2645 2646 void gfc_new_undo_checkpoint (gfc_undo_change_set &); 2647 void gfc_drop_last_undo_checkpoint (void); 2648 void gfc_restore_last_undo_checkpoint (void); 2649 void gfc_undo_symbols (void); 2650 void gfc_commit_symbols (void); 2651 void gfc_commit_symbol (gfc_symbol *); 2652 gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *); 2653 void gfc_free_charlen (gfc_charlen *, gfc_charlen *); 2654 void gfc_free_namespace (gfc_namespace *); 2655 2656 void gfc_symbol_init_2 (void); 2657 void gfc_symbol_done_2 (void); 2658 2659 void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); 2660 void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); 2661 void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); 2662 void gfc_save_all (gfc_namespace *); 2663 2664 void gfc_enforce_clean_symbol_state (void); 2665 void gfc_free_dt_list (void); 2666 2667 2668 gfc_gsymbol *gfc_get_gsymbol (const char *); 2669 gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); 2670 2671 gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*); 2672 gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); 2673 gfc_symbol* gfc_get_ultimate_derived_super_type (gfc_symbol*); 2674 bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *); 2675 bool gfc_type_compatible (gfc_typespec *, gfc_typespec *); 2676 2677 void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *); 2678 2679 void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */ 2680 2681 gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); 2682 gfc_namespace* gfc_find_proc_namespace (gfc_namespace*); 2683 2684 bool gfc_is_associate_pointer (gfc_symbol*); 2685 gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *); 2686 gfc_formal_arglist *gfc_sym_get_dummy_args (gfc_symbol *); 2687 2688 /* intrinsic.c -- true if working in an init-expr, false otherwise. */ 2689 extern bool gfc_init_expr_flag; 2690 2691 /* Given a symbol that we have decided is intrinsic, mark it as such 2692 by placing it into a special module that is otherwise impossible to 2693 read or write. */ 2694 2695 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") 2696 2697 void gfc_intrinsic_init_1 (void); 2698 void gfc_intrinsic_done_1 (void); 2699 2700 char gfc_type_letter (bt); 2701 gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); 2702 gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int); 2703 gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int); 2704 gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *); 2705 int gfc_generic_intrinsic (const char *); 2706 int gfc_specific_intrinsic (const char *); 2707 bool gfc_is_intrinsic (gfc_symbol*, int, locus); 2708 int gfc_intrinsic_actual_ok (const char *, const bool); 2709 gfc_intrinsic_sym *gfc_find_function (const char *); 2710 gfc_intrinsic_sym *gfc_find_subroutine (const char *); 2711 gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id); 2712 2713 match gfc_intrinsic_func_interface (gfc_expr *, int); 2714 match gfc_intrinsic_sub_interface (gfc_code *, int); 2715 2716 void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); 2717 gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, 2718 bool, locus); 2719 2720 /* match.c -- FIXME */ 2721 void gfc_free_iterator (gfc_iterator *, int); 2722 void gfc_free_forall_iterator (gfc_forall_iterator *); 2723 void gfc_free_alloc_list (gfc_alloc *); 2724 void gfc_free_namelist (gfc_namelist *); 2725 void gfc_free_equiv (gfc_equiv *); 2726 void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *); 2727 void gfc_free_data (gfc_data *); 2728 void gfc_free_case_list (gfc_case *); 2729 2730 /* matchexp.c -- FIXME too? */ 2731 gfc_expr *gfc_get_parentheses (gfc_expr *); 2732 2733 /* openmp.c */ 2734 struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; }; 2735 void gfc_free_omp_clauses (gfc_omp_clauses *); 2736 void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); 2737 void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *); 2738 void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); 2739 void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); 2740 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *); 2741 void gfc_omp_restore_state (struct gfc_omp_saved_state *); 2742 2743 /* expr.c */ 2744 void gfc_free_actual_arglist (gfc_actual_arglist *); 2745 gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); 2746 const char *gfc_extract_int (gfc_expr *, int *); 2747 bool is_subref_array (gfc_expr *); 2748 bool gfc_is_simply_contiguous (gfc_expr *, bool); 2749 gfc_try gfc_check_init_expr (gfc_expr *); 2750 2751 gfc_expr *gfc_build_conversion (gfc_expr *); 2752 void gfc_free_ref_list (gfc_ref *); 2753 void gfc_type_convert_binary (gfc_expr *, int); 2754 int gfc_is_constant_expr (gfc_expr *); 2755 gfc_try gfc_simplify_expr (gfc_expr *, int); 2756 int gfc_has_vector_index (gfc_expr *); 2757 2758 gfc_expr *gfc_get_expr (void); 2759 gfc_expr *gfc_get_array_expr (bt type, int kind, locus *); 2760 gfc_expr *gfc_get_null_expr (locus *); 2761 gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *); 2762 gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *); 2763 gfc_expr *gfc_get_constant_expr (bt, int, locus *); 2764 gfc_expr *gfc_get_character_expr (int, locus *, const char *, int len); 2765 gfc_expr *gfc_get_int_expr (int, locus *, int); 2766 gfc_expr *gfc_get_logical_expr (int, locus *, bool); 2767 gfc_expr *gfc_get_iokind_expr (locus *, io_kind); 2768 2769 void gfc_clear_shape (mpz_t *shape, int rank); 2770 void gfc_free_shape (mpz_t **shape, int rank); 2771 void gfc_free_expr (gfc_expr *); 2772 void gfc_replace_expr (gfc_expr *, gfc_expr *); 2773 mpz_t *gfc_copy_shape (mpz_t *, int); 2774 mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); 2775 gfc_expr *gfc_copy_expr (gfc_expr *); 2776 gfc_ref* gfc_copy_ref (gfc_ref*); 2777 2778 gfc_try gfc_specification_expr (gfc_expr *); 2779 2780 int gfc_numeric_ts (gfc_typespec *); 2781 int gfc_kind_max (gfc_expr *, gfc_expr *); 2782 2783 gfc_try gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3; 2784 gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int); 2785 gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *); 2786 gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_component *, gfc_expr *); 2787 2788 bool gfc_has_default_initializer (gfc_symbol *); 2789 gfc_expr *gfc_default_initializer (gfc_typespec *); 2790 gfc_expr *gfc_get_variable_expr (gfc_symtree *); 2791 void gfc_add_full_array_ref (gfc_expr *, gfc_array_spec *); 2792 gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); 2793 2794 gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr); 2795 2796 bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, 2797 bool (*)(gfc_expr *, gfc_symbol *, int*), 2798 int); 2799 void gfc_expr_set_symbols_referenced (gfc_expr *); 2800 gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); 2801 2802 gfc_component * gfc_get_proc_ptr_comp (gfc_expr *); 2803 bool gfc_is_proc_ptr_comp (gfc_expr *); 2804 2805 bool gfc_ref_this_image (gfc_ref *ref); 2806 bool gfc_is_coindexed (gfc_expr *); 2807 bool gfc_is_coarray (gfc_expr *); 2808 int gfc_get_corank (gfc_expr *); 2809 bool gfc_has_ultimate_allocatable (gfc_expr *); 2810 bool gfc_has_ultimate_pointer (gfc_expr *); 2811 2812 gfc_expr* gfc_build_intrinsic_call (gfc_namespace *, gfc_isym_id, const char*, 2813 locus, unsigned, ...); 2814 gfc_try gfc_check_vardef_context (gfc_expr*, bool, bool, bool, const char*); 2815 2816 2817 /* st.c */ 2818 extern gfc_code new_st; 2819 2820 void gfc_clear_new_st (void); 2821 gfc_code *gfc_get_code (void); 2822 gfc_code *gfc_append_code (gfc_code *, gfc_code *); 2823 void gfc_free_statement (gfc_code *); 2824 void gfc_free_statements (gfc_code *); 2825 void gfc_free_association_list (gfc_association_list *); 2826 2827 /* resolve.c */ 2828 gfc_try gfc_resolve_expr (gfc_expr *); 2829 void gfc_resolve (gfc_namespace *); 2830 void gfc_resolve_blocks (gfc_code *, gfc_namespace *); 2831 int gfc_impure_variable (gfc_symbol *); 2832 int gfc_pure (gfc_symbol *); 2833 int gfc_implicit_pure (gfc_symbol *); 2834 void gfc_unset_implicit_pure (gfc_symbol *); 2835 int gfc_elemental (gfc_symbol *); 2836 gfc_try gfc_resolve_iterator (gfc_iterator *, bool, bool); 2837 gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int); 2838 gfc_try gfc_resolve_index (gfc_expr *, int); 2839 gfc_try gfc_resolve_dim_arg (gfc_expr *); 2840 int gfc_is_formal_arg (void); 2841 void gfc_resolve_substring_charlen (gfc_expr *); 2842 match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *); 2843 gfc_expr *gfc_expr_to_initialize (gfc_expr *); 2844 bool gfc_type_is_extensible (gfc_symbol *); 2845 gfc_try gfc_resolve_intrinsic (gfc_symbol *, locus *); 2846 2847 2848 /* array.c */ 2849 gfc_iterator *gfc_copy_iterator (gfc_iterator *); 2850 2851 void gfc_free_array_spec (gfc_array_spec *); 2852 gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); 2853 2854 gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); 2855 gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); 2856 gfc_try gfc_resolve_array_spec (gfc_array_spec *, int); 2857 2858 int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); 2859 2860 void gfc_simplify_iterator_var (gfc_expr *); 2861 gfc_try gfc_expand_constructor (gfc_expr *, bool); 2862 int gfc_constant_ac (gfc_expr *); 2863 int gfc_expanded_ac (gfc_expr *); 2864 gfc_try gfc_resolve_character_array_constructor (gfc_expr *); 2865 gfc_try gfc_resolve_array_constructor (gfc_expr *); 2866 gfc_try gfc_check_constructor_type (gfc_expr *); 2867 gfc_try gfc_check_iter_variable (gfc_expr *); 2868 gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *)); 2869 gfc_try gfc_array_size (gfc_expr *, mpz_t *); 2870 gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *); 2871 gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *); 2872 gfc_array_ref *gfc_find_array_ref (gfc_expr *); 2873 tree gfc_conv_array_initializer (tree type, gfc_expr *); 2874 gfc_try spec_size (gfc_array_spec *, mpz_t *); 2875 gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *); 2876 int gfc_is_compile_time_shape (gfc_array_spec *); 2877 2878 gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *); 2879 2880 2881 /* interface.c -- FIXME: some of these should be in symbol.c */ 2882 void gfc_free_interface (gfc_interface *); 2883 int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); 2884 int gfc_compare_types (gfc_typespec *, gfc_typespec *); 2885 int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int, 2886 char *, int, const char *, const char *); 2887 void gfc_check_interfaces (gfc_namespace *); 2888 gfc_try gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); 2889 void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *); 2890 gfc_symbol *gfc_search_interface (gfc_interface *, int, 2891 gfc_actual_arglist **); 2892 match gfc_extend_expr (gfc_expr *); 2893 void gfc_free_formal_arglist (gfc_formal_arglist *); 2894 gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *); 2895 gfc_try gfc_check_new_interface (gfc_interface *, gfc_symbol *, locus); 2896 gfc_try gfc_add_interface (gfc_symbol *); 2897 gfc_interface *gfc_current_interface_head (void); 2898 void gfc_set_current_interface_head (gfc_interface *); 2899 gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); 2900 bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); 2901 bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus); 2902 int gfc_has_vector_subscript (gfc_expr*); 2903 gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op); 2904 gfc_try gfc_check_typebound_override (gfc_symtree*, gfc_symtree*); 2905 2906 /* io.c */ 2907 extern gfc_st_label format_asterisk; 2908 2909 void gfc_free_open (gfc_open *); 2910 gfc_try gfc_resolve_open (gfc_open *); 2911 void gfc_free_close (gfc_close *); 2912 gfc_try gfc_resolve_close (gfc_close *); 2913 void gfc_free_filepos (gfc_filepos *); 2914 gfc_try gfc_resolve_filepos (gfc_filepos *); 2915 void gfc_free_inquire (gfc_inquire *); 2916 gfc_try gfc_resolve_inquire (gfc_inquire *); 2917 void gfc_free_dt (gfc_dt *); 2918 gfc_try gfc_resolve_dt (gfc_dt *, locus *); 2919 void gfc_free_wait (gfc_wait *); 2920 gfc_try gfc_resolve_wait (gfc_wait *); 2921 2922 /* module.c */ 2923 void gfc_module_init_2 (void); 2924 void gfc_module_done_2 (void); 2925 void gfc_dump_module (const char *, int); 2926 bool gfc_check_symbol_access (gfc_symbol *); 2927 void gfc_free_use_stmts (gfc_use_list *); 2928 2929 /* primary.c */ 2930 symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); 2931 symbol_attribute gfc_expr_attr (gfc_expr *); 2932 match gfc_match_rvalue (gfc_expr **); 2933 match gfc_match_varspec (gfc_expr*, int, bool, bool); 2934 int gfc_check_digit (char, int); 2935 bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *); 2936 gfc_try gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *, 2937 gfc_expr **, 2938 gfc_actual_arglist **, bool); 2939 2940 /* trans.c */ 2941 void gfc_generate_code (gfc_namespace *); 2942 void gfc_generate_module_code (gfc_namespace *); 2943 void gfc_init_coarray_decl (bool); 2944 2945 /* trans-intrinsic.c */ 2946 bool gfc_inline_intrinsic_function_p (gfc_expr *); 2947 2948 /* bbt.c */ 2949 typedef int (*compare_fn) (void *, void *); 2950 void gfc_insert_bbt (void *, void *, compare_fn); 2951 void gfc_delete_bbt (void *, void *, compare_fn); 2952 2953 /* dump-parse-tree.c */ 2954 void gfc_dump_parse_tree (gfc_namespace *, FILE *); 2955 2956 /* parse.c */ 2957 gfc_try gfc_parse_file (void); 2958 void gfc_global_used (gfc_gsymbol *, locus *); 2959 gfc_namespace* gfc_build_block_ns (gfc_namespace *); 2960 2961 /* dependency.c */ 2962 int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool); 2963 int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); 2964 2965 /* check.c */ 2966 gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); 2967 gfc_try gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*, 2968 size_t*, size_t*, size_t*); 2969 2970 /* class.c */ 2971 void gfc_fix_class_refs (gfc_expr *e); 2972 void gfc_add_component_ref (gfc_expr *, const char *); 2973 void gfc_add_class_array_ref (gfc_expr *); 2974 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data") 2975 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr") 2976 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash") 2977 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size") 2978 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init") 2979 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final") 2980 bool gfc_is_class_array_ref (gfc_expr *, bool *); 2981 bool gfc_is_class_scalar_expr (gfc_expr *); 2982 bool gfc_is_class_container_ref (gfc_expr *e); 2983 gfc_expr *gfc_class_null_initializer (gfc_typespec *, gfc_expr *); 2984 unsigned int gfc_hash_value (gfc_symbol *); 2985 gfc_try gfc_build_class_symbol (gfc_typespec *, symbol_attribute *, 2986 gfc_array_spec **, bool); 2987 gfc_symbol *gfc_find_derived_vtab (gfc_symbol *); 2988 gfc_symbol *gfc_find_intrinsic_vtab (gfc_typespec *); 2989 gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, 2990 const char*, bool, locus*); 2991 gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, gfc_try*, 2992 const char*, bool, locus*); 2993 gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, gfc_try*, 2994 gfc_intrinsic_op, bool, 2995 locus*); 2996 gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*); 2997 bool gfc_is_finalizable (gfc_symbol *, gfc_expr **); 2998 2999 #define CLASS_DATA(sym) sym->ts.u.derived->components 3000 #define UNLIMITED_POLY(sym) \ 3001 (sym != NULL && sym->ts.type == BT_CLASS \ 3002 && CLASS_DATA (sym) \ 3003 && CLASS_DATA (sym)->ts.u.derived \ 3004 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic) 3005 3006 /* frontend-passes.c */ 3007 3008 void gfc_run_passes (gfc_namespace *); 3009 3010 typedef int (*walk_code_fn_t) (gfc_code **, int *, void *); 3011 typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *); 3012 3013 int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *); 3014 int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *); 3015 3016 #endif /* GCC_GFORTRAN_H */ 3017