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Daily bump.
[official-gcc.git] / gcc / fortran / intrinsic.c
bloba958f8ec9d12e07a954c4b642dbf2eee0f75c58d
1 /* Build up a list of intrinsic subroutines and functions for the
2 name-resolution stage.
3 Copyright (C) 2000-2015 Free Software Foundation, Inc.
4 Contributed by Andy Vaught & Katherine Holcomb
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
12
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
21
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "flags.h"
26 #include "gfortran.h"
27 #include "intrinsic.h"
28
29 /* Namespace to hold the resolved symbols for intrinsic subroutines. */
30 static gfc_namespace *gfc_intrinsic_namespace;
31
32 bool gfc_init_expr_flag = false;
33
34 /* Pointers to an intrinsic function and its argument names that are being
35 checked. */
36
37 const char *gfc_current_intrinsic;
38 gfc_intrinsic_arg *gfc_current_intrinsic_arg[MAX_INTRINSIC_ARGS];
39 locus *gfc_current_intrinsic_where;
40
41 static gfc_intrinsic_sym *functions, *subroutines, *conversion, *next_sym;
42 static gfc_intrinsic_sym *char_conversions;
43 static gfc_intrinsic_arg *next_arg;
44
45 static int nfunc, nsub, nargs, nconv, ncharconv;
46
47 static enum
48 { SZ_NOTHING = 0, SZ_SUBS, SZ_FUNCS, SZ_CONVS }
49 sizing;
50
51 enum klass
52 { CLASS_IMPURE = 0, CLASS_PURE, CLASS_ELEMENTAL,
53 CLASS_INQUIRY, CLASS_TRANSFORMATIONAL, CLASS_ATOMIC };
54
55 #define ACTUAL_NO 0
56 #define ACTUAL_YES 1
57
58 #define REQUIRED 0
59 #define OPTIONAL 1
60
61
62 /* Return a letter based on the passed type. Used to construct the
63 name of a type-dependent subroutine. */
64
65 char
66 gfc_type_letter (bt type)
67 {
68 char c;
69
70 switch (type)
71 {
72 case BT_LOGICAL:
73 c = 'l';
74 break;
75 case BT_CHARACTER:
76 c = 's';
77 break;
78 case BT_INTEGER:
79 c = 'i';
80 break;
81 case BT_REAL:
82 c = 'r';
83 break;
84 case BT_COMPLEX:
85 c = 'c';
86 break;
87
88 case BT_HOLLERITH:
89 c = 'h';
90 break;
91
92 default:
93 c = 'u';
94 break;
95 }
96
97 return c;
98 }
99
100
101 /* Get a symbol for a resolved name. Note, if needed be, the elemental
102 attribute has be added afterwards. */
103
104 gfc_symbol *
105 gfc_get_intrinsic_sub_symbol (const char *name)
106 {
107 gfc_symbol *sym;
108
109 gfc_get_symbol (name, gfc_intrinsic_namespace, &sym);
110 sym->attr.always_explicit = 1;
111 sym->attr.subroutine = 1;
112 sym->attr.flavor = FL_PROCEDURE;
113 sym->attr.proc = PROC_INTRINSIC;
114
115 gfc_commit_symbol (sym);
116
117 return sym;
118 }
119
120
121 /* Return a pointer to the name of a conversion function given two
122 typespecs. */
123
124 static const char *
125 conv_name (gfc_typespec *from, gfc_typespec *to)
126 {
127 return gfc_get_string ("__convert_%c%d_%c%d",
128 gfc_type_letter (from->type), from->kind,
129 gfc_type_letter (to->type), to->kind);
130 }
131
132
133 /* Given a pair of typespecs, find the gfc_intrinsic_sym node that
134 corresponds to the conversion. Returns NULL if the conversion
135 isn't found. */
136
137 static gfc_intrinsic_sym *
138 find_conv (gfc_typespec *from, gfc_typespec *to)
139 {
140 gfc_intrinsic_sym *sym;
141 const char *target;
142 int i;
143
144 target = conv_name (from, to);
145 sym = conversion;
146
147 for (i = 0; i < nconv; i++, sym++)
148 if (target == sym->name)
149 return sym;
150
151 return NULL;
152 }
153
154
155 /* Given a pair of CHARACTER typespecs, find the gfc_intrinsic_sym node
156 that corresponds to the conversion. Returns NULL if the conversion
157 isn't found. */
158
159 static gfc_intrinsic_sym *
160 find_char_conv (gfc_typespec *from, gfc_typespec *to)
161 {
162 gfc_intrinsic_sym *sym;
163 const char *target;
164 int i;
165
166 target = conv_name (from, to);
167 sym = char_conversions;
168
169 for (i = 0; i < ncharconv; i++, sym++)
170 if (target == sym->name)
171 return sym;
172
173 return NULL;
174 }
175
176
177 /* Check TS29113, C407b for assumed type and C535b for assumed-rank,
178 and a likewise check for NO_ARG_CHECK. */
179
180 static bool
181 do_ts29113_check (gfc_intrinsic_sym *specific, gfc_actual_arglist *arg)
182 {
183 gfc_actual_arglist *a;
184
185 for (a = arg; a; a = a->next)
186 {
187 if (!a->expr)
188 continue;
189
190 if (a->expr->expr_type == EXPR_VARIABLE
191 && (a->expr->symtree->n.sym->attr.ext_attr
192 & (1 << EXT_ATTR_NO_ARG_CHECK))
193 && specific->id != GFC_ISYM_C_LOC
194 && specific->id != GFC_ISYM_PRESENT)
195 {
196 gfc_error ("Variable with NO_ARG_CHECK attribute at %L is only "
197 "permitted as argument to the intrinsic functions "
198 "C_LOC and PRESENT", &a->expr->where);
199 return false;
200 }
201 else if (a->expr->ts.type == BT_ASSUMED
202 && specific->id != GFC_ISYM_LBOUND
203 && specific->id != GFC_ISYM_PRESENT
204 && specific->id != GFC_ISYM_RANK
205 && specific->id != GFC_ISYM_SHAPE
206 && specific->id != GFC_ISYM_SIZE
207 && specific->id != GFC_ISYM_SIZEOF
208 && specific->id != GFC_ISYM_UBOUND
209 && specific->id != GFC_ISYM_C_LOC)
210 {
211 gfc_error ("Assumed-type argument at %L is not permitted as actual"
212 " argument to the intrinsic %s", &a->expr->where,
213 gfc_current_intrinsic);
214 return false;
215 }
216 else if (a->expr->ts.type == BT_ASSUMED && a != arg)
217 {
218 gfc_error ("Assumed-type argument at %L is only permitted as "
219 "first actual argument to the intrinsic %s",
220 &a->expr->where, gfc_current_intrinsic);
221 return false;
222 }
223 if (a->expr->rank == -1 && !specific->inquiry)
224 {
225 gfc_error ("Assumed-rank argument at %L is only permitted as actual "
226 "argument to intrinsic inquiry functions",
227 &a->expr->where);
228 return false;
229 }
230 if (a->expr->rank == -1 && arg != a)
231 {
232 gfc_error ("Assumed-rank argument at %L is only permitted as first "
233 "actual argument to the intrinsic inquiry function %s",
234 &a->expr->where, gfc_current_intrinsic);
235 return false;
236 }
237 }
238
239 return true;
240 }
241
242
243 /* Interface to the check functions. We break apart an argument list
244 and call the proper check function rather than forcing each
245 function to manipulate the argument list. */
246
247 static bool
248 do_check (gfc_intrinsic_sym *specific, gfc_actual_arglist *arg)
249 {
250 gfc_expr *a1, *a2, *a3, *a4, *a5;
251
252 if (arg == NULL)
253 return (*specific->check.f0) ();
254
255 a1 = arg->expr;
256 arg = arg->next;
257 if (arg == NULL)
258 return (*specific->check.f1) (a1);
259
260 a2 = arg->expr;
261 arg = arg->next;
262 if (arg == NULL)
263 return (*specific->check.f2) (a1, a2);
264
265 a3 = arg->expr;
266 arg = arg->next;
267 if (arg == NULL)
268 return (*specific->check.f3) (a1, a2, a3);
269
270 a4 = arg->expr;
271 arg = arg->next;
272 if (arg == NULL)
273 return (*specific->check.f4) (a1, a2, a3, a4);
274
275 a5 = arg->expr;
276 arg = arg->next;
277 if (arg == NULL)
278 return (*specific->check.f5) (a1, a2, a3, a4, a5);
279
280 gfc_internal_error ("do_check(): too many args");
281 }
282
283
284 /*********** Subroutines to build the intrinsic list ****************/
285
286 /* Add a single intrinsic symbol to the current list.
287
288 Argument list:
289 char * name of function
290 int whether function is elemental
291 int If the function can be used as an actual argument [1]
292 bt return type of function
293 int kind of return type of function
294 int Fortran standard version
295 check pointer to check function
296 simplify pointer to simplification function
297 resolve pointer to resolution function
298
299 Optional arguments come in multiples of five:
300 char * name of argument
301 bt type of argument
302 int kind of argument
303 int arg optional flag (1=optional, 0=required)
304 sym_intent intent of argument
305
306 The sequence is terminated by a NULL name.
307
308
309 [1] Whether a function can or cannot be used as an actual argument is
310 determined by its presence on the 13.6 list in Fortran 2003. The
311 following intrinsics, which are GNU extensions, are considered allowed
312 as actual arguments: ACOSH ATANH DACOSH DASINH DATANH DCONJG DIMAG
313 ZABS ZCOS ZEXP ZLOG ZSIN ZSQRT. */
314
315 static void
316 add_sym (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type, int kind,
317 int standard, gfc_check_f check, gfc_simplify_f simplify,
318 gfc_resolve_f resolve, ...)
319 {
320 char buf[GFC_MAX_SYMBOL_LEN + 11]; /* 10 for '_gfortran_', 1 for '\0' */
321 int optional, first_flag;
322 sym_intent intent;
323 va_list argp;
324
325 switch (sizing)
326 {
327 case SZ_SUBS:
328 nsub++;
329 break;
330
331 case SZ_FUNCS:
332 nfunc++;
333 break;
334
335 case SZ_NOTHING:
336 next_sym->name = gfc_get_string (name);
337
338 strcpy (buf, "_gfortran_");
339 strcat (buf, name);
340 next_sym->lib_name = gfc_get_string (buf);
341
342 next_sym->pure = (cl != CLASS_IMPURE);
343 next_sym->elemental = (cl == CLASS_ELEMENTAL);
344 next_sym->inquiry = (cl == CLASS_INQUIRY);
345 next_sym->transformational = (cl == CLASS_TRANSFORMATIONAL);
346 next_sym->actual_ok = actual_ok;
347 next_sym->ts.type = type;
348 next_sym->ts.kind = kind;
349 next_sym->standard = standard;
350 next_sym->simplify = simplify;
351 next_sym->check = check;
352 next_sym->resolve = resolve;
353 next_sym->specific = 0;
354 next_sym->generic = 0;
355 next_sym->conversion = 0;
356 next_sym->id = id;
357 break;
358
359 default:
360 gfc_internal_error ("add_sym(): Bad sizing mode");
361 }
362
363 va_start (argp, resolve);
364
365 first_flag = 1;
366
367 for (;;)
368 {
369 name = va_arg (argp, char *);
370 if (name == NULL)
371 break;
372
373 type = (bt) va_arg (argp, int);
374 kind = va_arg (argp, int);
375 optional = va_arg (argp, int);
376 intent = (sym_intent) va_arg (argp, int);
377
378 if (sizing != SZ_NOTHING)
379 nargs++;
380 else
381 {
382 next_arg++;
383
384 if (first_flag)
385 next_sym->formal = next_arg;
386 else
387 (next_arg - 1)->next = next_arg;
388
389 first_flag = 0;
390
391 strcpy (next_arg->name, name);
392 next_arg->ts.type = type;
393 next_arg->ts.kind = kind;
394 next_arg->optional = optional;
395 next_arg->value = 0;
396 next_arg->intent = intent;
397 }
398 }
399
400 va_end (argp);
401
402 next_sym++;
403 }
404
405
406 /* Add a symbol to the function list where the function takes
407 0 arguments. */
408
409 static void
410 add_sym_0 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
411 int kind, int standard,
412 bool (*check) (void),
413 gfc_expr *(*simplify) (void),
414 void (*resolve) (gfc_expr *))
415 {
416 gfc_simplify_f sf;
417 gfc_check_f cf;
418 gfc_resolve_f rf;
419
420 cf.f0 = check;
421 sf.f0 = simplify;
422 rf.f0 = resolve;
423
424 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
425 (void *) 0);
426 }
427
428
429 /* Add a symbol to the subroutine list where the subroutine takes
430 0 arguments. */
431
432 static void
433 add_sym_0s (const char *name, gfc_isym_id id, int standard,
434 void (*resolve) (gfc_code *))
435 {
436 gfc_check_f cf;
437 gfc_simplify_f sf;
438 gfc_resolve_f rf;
439
440 cf.f1 = NULL;
441 sf.f1 = NULL;
442 rf.s1 = resolve;
443
444 add_sym (name, id, CLASS_IMPURE, ACTUAL_NO, BT_UNKNOWN, 0, standard, cf, sf,
445 rf, (void *) 0);
446 }
447
448
449 /* Add a symbol to the function list where the function takes
450 1 arguments. */
451
452 static void
453 add_sym_1 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
454 int kind, int standard,
455 bool (*check) (gfc_expr *),
456 gfc_expr *(*simplify) (gfc_expr *),
457 void (*resolve) (gfc_expr *, gfc_expr *),
458 const char *a1, bt type1, int kind1, int optional1)
459 {
460 gfc_check_f cf;
461 gfc_simplify_f sf;
462 gfc_resolve_f rf;
463
464 cf.f1 = check;
465 sf.f1 = simplify;
466 rf.f1 = resolve;
467
468 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
469 a1, type1, kind1, optional1, INTENT_IN,
470 (void *) 0);
471 }
472
473
474 /* Add a symbol to the function list where the function takes
475 1 arguments, specifying the intent of the argument. */
476
477 static void
478 add_sym_1_intent (const char *name, gfc_isym_id id, enum klass cl,
479 int actual_ok, bt type, int kind, int standard,
480 bool (*check) (gfc_expr *),
481 gfc_expr *(*simplify) (gfc_expr *),
482 void (*resolve) (gfc_expr *, gfc_expr *),
483 const char *a1, bt type1, int kind1, int optional1,
484 sym_intent intent1)
485 {
486 gfc_check_f cf;
487 gfc_simplify_f sf;
488 gfc_resolve_f rf;
489
490 cf.f1 = check;
491 sf.f1 = simplify;
492 rf.f1 = resolve;
493
494 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
495 a1, type1, kind1, optional1, intent1,
496 (void *) 0);
497 }
498
499
500 /* Add a symbol to the subroutine list where the subroutine takes
501 1 arguments, specifying the intent of the argument. */
502
503 static void
504 add_sym_1s (const char *name, gfc_isym_id id, enum klass cl, bt type, int kind,
505 int standard, bool (*check) (gfc_expr *),
506 gfc_expr *(*simplify) (gfc_expr *), void (*resolve) (gfc_code *),
507 const char *a1, bt type1, int kind1, int optional1,
508 sym_intent intent1)
509 {
510 gfc_check_f cf;
511 gfc_simplify_f sf;
512 gfc_resolve_f rf;
513
514 cf.f1 = check;
515 sf.f1 = simplify;
516 rf.s1 = resolve;
517
518 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
519 a1, type1, kind1, optional1, intent1,
520 (void *) 0);
521 }
522
523
524 /* Add a symbol from the MAX/MIN family of intrinsic functions to the
525 function. MAX et al take 2 or more arguments. */
526
527 static void
528 add_sym_1m (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
529 int kind, int standard,
530 bool (*check) (gfc_actual_arglist *),
531 gfc_expr *(*simplify) (gfc_expr *),
532 void (*resolve) (gfc_expr *, gfc_actual_arglist *),
533 const char *a1, bt type1, int kind1, int optional1,
534 const char *a2, bt type2, int kind2, int optional2)
535 {
536 gfc_check_f cf;
537 gfc_simplify_f sf;
538 gfc_resolve_f rf;
539
540 cf.f1m = check;
541 sf.f1 = simplify;
542 rf.f1m = resolve;
543
544 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
545 a1, type1, kind1, optional1, INTENT_IN,
546 a2, type2, kind2, optional2, INTENT_IN,
547 (void *) 0);
548 }
549
550
551 /* Add a symbol to the function list where the function takes
552 2 arguments. */
553
554 static void
555 add_sym_2 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
556 int kind, int standard,
557 bool (*check) (gfc_expr *, gfc_expr *),
558 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *),
559 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *),
560 const char *a1, bt type1, int kind1, int optional1,
561 const char *a2, bt type2, int kind2, int optional2)
562 {
563 gfc_check_f cf;
564 gfc_simplify_f sf;
565 gfc_resolve_f rf;
566
567 cf.f2 = check;
568 sf.f2 = simplify;
569 rf.f2 = resolve;
570
571 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
572 a1, type1, kind1, optional1, INTENT_IN,
573 a2, type2, kind2, optional2, INTENT_IN,
574 (void *) 0);
575 }
576
577
578 /* Add a symbol to the function list where the function takes
579 2 arguments; same as add_sym_2 - but allows to specify the intent. */
580
581 static void
582 add_sym_2_intent (const char *name, gfc_isym_id id, enum klass cl,
583 int actual_ok, bt type, int kind, int standard,
584 bool (*check) (gfc_expr *, gfc_expr *),
585 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *),
586 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *),
587 const char *a1, bt type1, int kind1, int optional1,
588 sym_intent intent1, const char *a2, bt type2, int kind2,
589 int optional2, sym_intent intent2)
590 {
591 gfc_check_f cf;
592 gfc_simplify_f sf;
593 gfc_resolve_f rf;
594
595 cf.f2 = check;
596 sf.f2 = simplify;
597 rf.f2 = resolve;
598
599 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
600 a1, type1, kind1, optional1, intent1,
601 a2, type2, kind2, optional2, intent2,
602 (void *) 0);
603 }
604
605
606 /* Add a symbol to the subroutine list where the subroutine takes
607 2 arguments, specifying the intent of the arguments. */
608
609 static void
610 add_sym_2s (const char *name, gfc_isym_id id, enum klass cl, bt type,
611 int kind, int standard,
612 bool (*check) (gfc_expr *, gfc_expr *),
613 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *),
614 void (*resolve) (gfc_code *),
615 const char *a1, bt type1, int kind1, int optional1,
616 sym_intent intent1, const char *a2, bt type2, int kind2,
617 int optional2, sym_intent intent2)
618 {
619 gfc_check_f cf;
620 gfc_simplify_f sf;
621 gfc_resolve_f rf;
622
623 cf.f2 = check;
624 sf.f2 = simplify;
625 rf.s1 = resolve;
626
627 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
628 a1, type1, kind1, optional1, intent1,
629 a2, type2, kind2, optional2, intent2,
630 (void *) 0);
631 }
632
633
634 /* Add a symbol to the function list where the function takes
635 3 arguments. */
636
637 static void
638 add_sym_3 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
639 int kind, int standard,
640 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *),
641 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
642 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
643 const char *a1, bt type1, int kind1, int optional1,
644 const char *a2, bt type2, int kind2, int optional2,
645 const char *a3, bt type3, int kind3, int optional3)
646 {
647 gfc_check_f cf;
648 gfc_simplify_f sf;
649 gfc_resolve_f rf;
650
651 cf.f3 = check;
652 sf.f3 = simplify;
653 rf.f3 = resolve;
654
655 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
656 a1, type1, kind1, optional1, INTENT_IN,
657 a2, type2, kind2, optional2, INTENT_IN,
658 a3, type3, kind3, optional3, INTENT_IN,
659 (void *) 0);
660 }
661
662
663 /* MINLOC and MAXLOC get special treatment because their argument
664 might have to be reordered. */
665
666 static void
667 add_sym_3ml (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
668 int kind, int standard,
669 bool (*check) (gfc_actual_arglist *),
670 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
671 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
672 const char *a1, bt type1, int kind1, int optional1,
673 const char *a2, bt type2, int kind2, int optional2,
674 const char *a3, bt type3, int kind3, int optional3)
675 {
676 gfc_check_f cf;
677 gfc_simplify_f sf;
678 gfc_resolve_f rf;
679
680 cf.f3ml = check;
681 sf.f3 = simplify;
682 rf.f3 = resolve;
683
684 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
685 a1, type1, kind1, optional1, INTENT_IN,
686 a2, type2, kind2, optional2, INTENT_IN,
687 a3, type3, kind3, optional3, INTENT_IN,
688 (void *) 0);
689 }
690
691
692 /* MINVAL, MAXVAL, PRODUCT, and SUM also get special treatment because
693 their argument also might have to be reordered. */
694
695 static void
696 add_sym_3red (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
697 int kind, int standard,
698 bool (*check) (gfc_actual_arglist *),
699 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
700 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
701 const char *a1, bt type1, int kind1, int optional1,
702 const char *a2, bt type2, int kind2, int optional2,
703 const char *a3, bt type3, int kind3, int optional3)
704 {
705 gfc_check_f cf;
706 gfc_simplify_f sf;
707 gfc_resolve_f rf;
708
709 cf.f3red = check;
710 sf.f3 = simplify;
711 rf.f3 = resolve;
712
713 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
714 a1, type1, kind1, optional1, INTENT_IN,
715 a2, type2, kind2, optional2, INTENT_IN,
716 a3, type3, kind3, optional3, INTENT_IN,
717 (void *) 0);
718 }
719
720
721 /* Add a symbol to the subroutine list where the subroutine takes
722 3 arguments, specifying the intent of the arguments. */
723
724 static void
725 add_sym_3s (const char *name, gfc_isym_id id, enum klass cl, bt type,
726 int kind, int standard,
727 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *),
728 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
729 void (*resolve) (gfc_code *),
730 const char *a1, bt type1, int kind1, int optional1,
731 sym_intent intent1, const char *a2, bt type2, int kind2,
732 int optional2, sym_intent intent2, const char *a3, bt type3,
733 int kind3, int optional3, sym_intent intent3)
734 {
735 gfc_check_f cf;
736 gfc_simplify_f sf;
737 gfc_resolve_f rf;
738
739 cf.f3 = check;
740 sf.f3 = simplify;
741 rf.s1 = resolve;
742
743 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
744 a1, type1, kind1, optional1, intent1,
745 a2, type2, kind2, optional2, intent2,
746 a3, type3, kind3, optional3, intent3,
747 (void *) 0);
748 }
749
750
751 /* Add a symbol to the function list where the function takes
752 4 arguments. */
753
754 static void
755 add_sym_4 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
756 int kind, int standard,
757 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
758 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *,
759 gfc_expr *),
760 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
761 gfc_expr *),
762 const char *a1, bt type1, int kind1, int optional1,
763 const char *a2, bt type2, int kind2, int optional2,
764 const char *a3, bt type3, int kind3, int optional3,
765 const char *a4, bt type4, int kind4, int optional4 )
766 {
767 gfc_check_f cf;
768 gfc_simplify_f sf;
769 gfc_resolve_f rf;
770
771 cf.f4 = check;
772 sf.f4 = simplify;
773 rf.f4 = resolve;
774
775 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
776 a1, type1, kind1, optional1, INTENT_IN,
777 a2, type2, kind2, optional2, INTENT_IN,
778 a3, type3, kind3, optional3, INTENT_IN,
779 a4, type4, kind4, optional4, INTENT_IN,
780 (void *) 0);
781 }
782
783
784 /* Add a symbol to the subroutine list where the subroutine takes
785 4 arguments. */
786
787 static void
788 add_sym_4s (const char *name, gfc_isym_id id, enum klass cl, bt type, int kind,
789 int standard,
790 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
791 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *,
792 gfc_expr *),
793 void (*resolve) (gfc_code *),
794 const char *a1, bt type1, int kind1, int optional1,
795 sym_intent intent1, const char *a2, bt type2, int kind2,
796 int optional2, sym_intent intent2, const char *a3, bt type3,
797 int kind3, int optional3, sym_intent intent3, const char *a4,
798 bt type4, int kind4, int optional4, sym_intent intent4)
799 {
800 gfc_check_f cf;
801 gfc_simplify_f sf;
802 gfc_resolve_f rf;
803
804 cf.f4 = check;
805 sf.f4 = simplify;
806 rf.s1 = resolve;
807
808 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
809 a1, type1, kind1, optional1, intent1,
810 a2, type2, kind2, optional2, intent2,
811 a3, type3, kind3, optional3, intent3,
812 a4, type4, kind4, optional4, intent4,
813 (void *) 0);
814 }
815
816
817 /* Add a symbol to the subroutine list where the subroutine takes
818 5 arguments. */
819
820 static void
821 add_sym_5s (const char *name, gfc_isym_id id, enum klass cl, bt type, int kind,
822 int standard,
823 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
824 gfc_expr *),
825 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *,
826 gfc_expr *, gfc_expr *),
827 void (*resolve) (gfc_code *),
828 const char *a1, bt type1, int kind1, int optional1,
829 sym_intent intent1, const char *a2, bt type2, int kind2,
830 int optional2, sym_intent intent2, const char *a3, bt type3,
831 int kind3, int optional3, sym_intent intent3, const char *a4,
832 bt type4, int kind4, int optional4, sym_intent intent4,
833 const char *a5, bt type5, int kind5, int optional5,
834 sym_intent intent5)
835 {
836 gfc_check_f cf;
837 gfc_simplify_f sf;
838 gfc_resolve_f rf;
839
840 cf.f5 = check;
841 sf.f5 = simplify;
842 rf.s1 = resolve;
843
844 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
845 a1, type1, kind1, optional1, intent1,
846 a2, type2, kind2, optional2, intent2,
847 a3, type3, kind3, optional3, intent3,
848 a4, type4, kind4, optional4, intent4,
849 a5, type5, kind5, optional5, intent5,
850 (void *) 0);
851 }
852
853
854 /* Locate an intrinsic symbol given a base pointer, number of elements
855 in the table and a pointer to a name. Returns the NULL pointer if
856 a name is not found. */
857
858 static gfc_intrinsic_sym *
859 find_sym (gfc_intrinsic_sym *start, int n, const char *name)
860 {
861 /* name may be a user-supplied string, so we must first make sure
862 that we're comparing against a pointer into the global string
863 table. */
864 const char *p = gfc_get_string (name);
865
866 while (n > 0)
867 {
868 if (p == start->name)
869 return start;
870
871 start++;
872 n--;
873 }
874
875 return NULL;
876 }
877
878
879 gfc_isym_id
880 gfc_isym_id_by_intmod (intmod_id from_intmod, int intmod_sym_id)
881 {
882 if (from_intmod == INTMOD_NONE)
883 return (gfc_isym_id) intmod_sym_id;
884 else if (from_intmod == INTMOD_ISO_C_BINDING)
885 return (gfc_isym_id) c_interop_kinds_table[intmod_sym_id].value;
886 else if (from_intmod == INTMOD_ISO_FORTRAN_ENV)
887 switch (intmod_sym_id)
888 {
889 #define NAMED_SUBROUTINE(a,b,c,d) \
890 case a: \
891 return (gfc_isym_id) c;
892 #define NAMED_FUNCTION(a,b,c,d) \
893 case a: \
894 return (gfc_isym_id) c;
895 #include "iso-fortran-env.def"
896 default:
897 gcc_unreachable ();
898 }
899 else
900 gcc_unreachable ();
901 return (gfc_isym_id) 0;
902 }
903
904
905 gfc_isym_id
906 gfc_isym_id_by_intmod_sym (gfc_symbol *sym)
907 {
908 return gfc_isym_id_by_intmod (sym->from_intmod, sym->intmod_sym_id);
909 }
910
911
912 gfc_intrinsic_sym *
913 gfc_intrinsic_subroutine_by_id (gfc_isym_id id)
914 {
915 gfc_intrinsic_sym *start = subroutines;
916 int n = nsub;
917
918 while (true)
919 {
920 gcc_assert (n > 0);
921 if (id == start->id)
922 return start;
923
924 start++;
925 n--;
926 }
927 }
928
929
930 gfc_intrinsic_sym *
931 gfc_intrinsic_function_by_id (gfc_isym_id id)
932 {
933 gfc_intrinsic_sym *start = functions;
934 int n = nfunc;
935
936 while (true)
937 {
938 gcc_assert (n > 0);
939 if (id == start->id)
940 return start;
941
942 start++;
943 n--;
944 }
945 }
946
947
948 /* Given a name, find a function in the intrinsic function table.
949 Returns NULL if not found. */
950
951 gfc_intrinsic_sym *
952 gfc_find_function (const char *name)
953 {
954 gfc_intrinsic_sym *sym;
955
956 sym = find_sym (functions, nfunc, name);
957 if (!sym || sym->from_module)
958 sym = find_sym (conversion, nconv, name);
959
960 return (!sym || sym->from_module) ? NULL : sym;
961 }
962
963
964 /* Given a name, find a function in the intrinsic subroutine table.
965 Returns NULL if not found. */
966
967 gfc_intrinsic_sym *
968 gfc_find_subroutine (const char *name)
969 {
970 gfc_intrinsic_sym *sym;
971 sym = find_sym (subroutines, nsub, name);
972 return (!sym || sym->from_module) ? NULL : sym;
973 }
974
975
976 /* Given a string, figure out if it is the name of a generic intrinsic
977 function or not. */
978
979 int
980 gfc_generic_intrinsic (const char *name)
981 {
982 gfc_intrinsic_sym *sym;
983
984 sym = gfc_find_function (name);
985 return (!sym || sym->from_module) ? 0 : sym->generic;
986 }
987
988
989 /* Given a string, figure out if it is the name of a specific
990 intrinsic function or not. */
991
992 int
993 gfc_specific_intrinsic (const char *name)
994 {
995 gfc_intrinsic_sym *sym;
996
997 sym = gfc_find_function (name);
998 return (!sym || sym->from_module) ? 0 : sym->specific;
999 }
1000
1001
1002 /* Given a string, figure out if it is the name of an intrinsic function
1003 or subroutine allowed as an actual argument or not. */
1004 int
1005 gfc_intrinsic_actual_ok (const char *name, const bool subroutine_flag)
1006 {
1007 gfc_intrinsic_sym *sym;
1008
1009 /* Intrinsic subroutines are not allowed as actual arguments. */
1010 if (subroutine_flag)
1011 return 0;
1012 else
1013 {
1014 sym = gfc_find_function (name);
1015 return (sym == NULL) ? 0 : sym->actual_ok;
1016 }
1017 }
1018
1019
1020 /* Given a symbol, find out if it is (and is to be treated as) an intrinsic.
1021 If its name refers to an intrinsic, but this intrinsic is not included in
1022 the selected standard, this returns FALSE and sets the symbol's external
1023 attribute. */
1024
1025 bool
1026 gfc_is_intrinsic (gfc_symbol* sym, int subroutine_flag, locus loc)
1027 {
1028 gfc_intrinsic_sym* isym;
1029 const char* symstd;
1030
1031 /* If INTRINSIC attribute is already known, return. */
1032 if (sym->attr.intrinsic)
1033 return true;
1034
1035 /* Check for attributes which prevent the symbol from being INTRINSIC. */
1036 if (sym->attr.external || sym->attr.contained
1037 || sym->attr.if_source == IFSRC_IFBODY)
1038 return false;
1039
1040 if (subroutine_flag)
1041 isym = gfc_find_subroutine (sym->name);
1042 else
1043 isym = gfc_find_function (sym->name);
1044
1045 /* No such intrinsic available at all? */
1046 if (!isym)
1047 return false;
1048
1049 /* See if this intrinsic is allowed in the current standard. */
1050 if (!gfc_check_intrinsic_standard (isym, &symstd, false, loc)
1051 && !sym->attr.artificial)
1052 {
1053 if (sym->attr.proc == PROC_UNKNOWN && warn_intrinsics_std)
1054 gfc_warning_now (OPT_Wintrinsics_std, "The intrinsic %qs at %L is not "
1055 "included in the selected standard but %s and %qs will"
1056 " be treated as if declared EXTERNAL. Use an"
1057 " appropriate -std=* option or define"
1058 " -fall-intrinsics to allow this intrinsic.",
1059 sym->name, &loc, symstd, sym->name);
1060
1061 return false;
1062 }
1063
1064 return true;
1065 }
1066
1067
1068 /* Collect a set of intrinsic functions into a generic collection.
1069 The first argument is the name of the generic function, which is
1070 also the name of a specific function. The rest of the specifics
1071 currently in the table are placed into the list of specific
1072 functions associated with that generic.
1073
1074 PR fortran/32778
1075 FIXME: Remove the argument STANDARD if no regressions are
1076 encountered. Change all callers (approx. 360).
1077 */
1078
1079 static void
1080 make_generic (const char *name, gfc_isym_id id, int standard ATTRIBUTE_UNUSED)
1081 {
1082 gfc_intrinsic_sym *g;
1083
1084 if (sizing != SZ_NOTHING)
1085 return;
1086
1087 g = gfc_find_function (name);
1088 if (g == NULL)
1089 gfc_internal_error ("make_generic(): Can't find generic symbol %qs",
1090 name);
1091
1092 gcc_assert (g->id == id);
1093
1094 g->generic = 1;
1095 g->specific = 1;
1096 if ((g + 1)->name != NULL)
1097 g->specific_head = g + 1;
1098 g++;
1099
1100 while (g->name != NULL)
1101 {
1102 g->next = g + 1;
1103 g->specific = 1;
1104 g++;
1105 }
1106
1107 g--;
1108 g->next = NULL;
1109 }
1110
1111
1112 /* Create a duplicate intrinsic function entry for the current
1113 function, the only differences being the alternate name and
1114 a different standard if necessary. Note that we use argument
1115 lists more than once, but all argument lists are freed as a
1116 single block. */
1117
1118 static void
1119 make_alias (const char *name, int standard)
1120 {
1121 switch (sizing)
1122 {
1123 case SZ_FUNCS:
1124 nfunc++;
1125 break;
1126
1127 case SZ_SUBS:
1128 nsub++;
1129 break;
1130
1131 case SZ_NOTHING:
1132 next_sym[0] = next_sym[-1];
1133 next_sym->name = gfc_get_string (name);
1134 next_sym->standard = standard;
1135 next_sym++;
1136 break;
1137
1138 default:
1139 break;
1140 }
1141 }
1142
1143
1144 /* Make the current subroutine noreturn. */
1145
1146 static void
1147 make_noreturn (void)
1148 {
1149 if (sizing == SZ_NOTHING)
1150 next_sym[-1].noreturn = 1;
1151 }
1152
1153
1154 /* Mark current intrinsic as module intrinsic. */
1155 static void
1156 make_from_module (void)
1157 {
1158 if (sizing == SZ_NOTHING)
1159 next_sym[-1].from_module = 1;
1160 }
1161
1162 /* Set the attr.value of the current procedure. */
1163
1164 static void
1165 set_attr_value (int n, ...)
1166 {
1167 gfc_intrinsic_arg *arg;
1168 va_list argp;
1169 int i;
1170
1171 if (sizing != SZ_NOTHING)
1172 return;
1173
1174 va_start (argp, n);
1175 arg = next_sym[-1].formal;
1176
1177 for (i = 0; i < n; i++)
1178 {
1179 gcc_assert (arg != NULL);
1180 arg->value = va_arg (argp, int);
1181 arg = arg->next;
1182 }
1183 va_end (argp);
1184 }
1185
1186
1187 /* Add intrinsic functions. */
1188
1189 static void
1190 add_functions (void)
1191 {
1192 /* Argument names as in the standard (to be used as argument keywords). */
1193 const char
1194 *a = "a", *f = "field", *pt = "pointer", *tg = "target",
1195 *b = "b", *m = "matrix", *ma = "matrix_a", *mb = "matrix_b",
1196 *c = "c", *n = "n", *ncopies= "ncopies", *pos = "pos", *bck = "back",
1197 *i = "i", *v = "vector", *va = "vector_a", *vb = "vector_b",
1198 *j = "j", *a1 = "a1", *fs = "fsource", *ts = "tsource",
1199 *l = "l", *a2 = "a2", *mo = "mold", *ord = "order",
1200 *p = "p", *ar = "array", *shp = "shape", *src = "source",
1201 *r = "r", *bd = "boundary", *pad = "pad", *set = "set",
1202 *s = "s", *dm = "dim", *kind = "kind", *msk = "mask",
1203 *x = "x", *sh = "shift", *stg = "string", *ssg = "substring",
1204 *y = "y", *sz = "size", *sta = "string_a", *stb = "string_b",
1205 *z = "z", *ln = "len", *ut = "unit", *han = "handler",
1206 *num = "number", *tm = "time", *nm = "name", *md = "mode",
1207 *vl = "values", *p1 = "path1", *p2 = "path2", *com = "command",
1208 *ca = "coarray", *sub = "sub", *dist = "distance", *failed="failed";
1209
1210 int di, dr, dd, dl, dc, dz, ii;
1211
1212 di = gfc_default_integer_kind;
1213 dr = gfc_default_real_kind;
1214 dd = gfc_default_double_kind;
1215 dl = gfc_default_logical_kind;
1216 dc = gfc_default_character_kind;
1217 dz = gfc_default_complex_kind;
1218 ii = gfc_index_integer_kind;
1219
1220 add_sym_1 ("abs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1221 gfc_check_abs, gfc_simplify_abs, gfc_resolve_abs,
1222 a, BT_REAL, dr, REQUIRED);
1223
1224 add_sym_1 ("iabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
1225 NULL, gfc_simplify_abs, gfc_resolve_abs,
1226 a, BT_INTEGER, di, REQUIRED);
1227
1228 add_sym_1 ("dabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1229 gfc_check_fn_d, gfc_simplify_abs, gfc_resolve_abs,
1230 a, BT_REAL, dd, REQUIRED);
1231
1232 add_sym_1 ("cabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1233 NULL, gfc_simplify_abs, gfc_resolve_abs,
1234 a, BT_COMPLEX, dz, REQUIRED);
1235
1236 add_sym_1 ("zabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1237 NULL, gfc_simplify_abs, gfc_resolve_abs,
1238 a, BT_COMPLEX, dd, REQUIRED);
1239
1240 make_alias ("cdabs", GFC_STD_GNU);
1241
1242 make_generic ("abs", GFC_ISYM_ABS, GFC_STD_F77);
1243
1244 /* The checking function for ACCESS is called gfc_check_access_func
1245 because the name gfc_check_access is already used in module.c. */
1246 add_sym_2 ("access", GFC_ISYM_ACCESS, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1247 di, GFC_STD_GNU, gfc_check_access_func, NULL, gfc_resolve_access,
1248 nm, BT_CHARACTER, dc, REQUIRED, md, BT_CHARACTER, dc, REQUIRED);
1249
1250 make_generic ("access", GFC_ISYM_ACCESS, GFC_STD_GNU);
1251
1252 add_sym_2 ("achar", GFC_ISYM_ACHAR, CLASS_ELEMENTAL, ACTUAL_NO,
1253 BT_CHARACTER, dc, GFC_STD_F95,
1254 gfc_check_achar, gfc_simplify_achar, gfc_resolve_achar,
1255 i, BT_INTEGER, di, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1256
1257 make_generic ("achar", GFC_ISYM_ACHAR, GFC_STD_F95);
1258
1259 add_sym_1 ("acos", GFC_ISYM_ACOS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1260 gfc_check_fn_rc2008, gfc_simplify_acos, gfc_resolve_acos,
1261 x, BT_REAL, dr, REQUIRED);
1262
1263 add_sym_1 ("dacos", GFC_ISYM_ACOS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1264 gfc_check_fn_d, gfc_simplify_acos, gfc_resolve_acos,
1265 x, BT_REAL, dd, REQUIRED);
1266
1267 make_generic ("acos", GFC_ISYM_ACOS, GFC_STD_F77);
1268
1269 add_sym_1 ("acosh", GFC_ISYM_ACOSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr,
1270 GFC_STD_F2008, gfc_check_fn_rc2008, gfc_simplify_acosh,
1271 gfc_resolve_acosh, x, BT_REAL, dr, REQUIRED);
1272
1273 add_sym_1 ("dacosh", GFC_ISYM_ACOSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1274 gfc_check_fn_d, gfc_simplify_acosh, gfc_resolve_acosh,
1275 x, BT_REAL, dd, REQUIRED);
1276
1277 make_generic ("acosh", GFC_ISYM_ACOSH, GFC_STD_F2008);
1278
1279 add_sym_1 ("adjustl", GFC_ISYM_ADJUSTL, CLASS_ELEMENTAL, ACTUAL_NO,
1280 BT_CHARACTER, dc, GFC_STD_F95, NULL, gfc_simplify_adjustl,
1281 gfc_resolve_adjustl, stg, BT_CHARACTER, 0, REQUIRED);
1282
1283 make_generic ("adjustl", GFC_ISYM_ADJUSTL, GFC_STD_F95);
1284
1285 add_sym_1 ("adjustr", GFC_ISYM_ADJUSTR, CLASS_ELEMENTAL, ACTUAL_NO,
1286 BT_CHARACTER, dc, GFC_STD_F95, NULL, gfc_simplify_adjustr,
1287 gfc_resolve_adjustr, stg, BT_CHARACTER, 0, REQUIRED);
1288
1289 make_generic ("adjustr", GFC_ISYM_ADJUSTR, GFC_STD_F95);
1290
1291 add_sym_1 ("aimag", GFC_ISYM_AIMAG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1292 gfc_check_fn_c, gfc_simplify_aimag, gfc_resolve_aimag,
1293 z, BT_COMPLEX, dz, REQUIRED);
1294
1295 make_alias ("imag", GFC_STD_GNU);
1296 make_alias ("imagpart", GFC_STD_GNU);
1297
1298 add_sym_1 ("dimag", GFC_ISYM_AIMAG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1299 NULL, gfc_simplify_aimag, gfc_resolve_aimag,
1300 z, BT_COMPLEX, dd, REQUIRED);
1301
1302 make_generic ("aimag", GFC_ISYM_AIMAG, GFC_STD_F77);
1303
1304 add_sym_2 ("aint", GFC_ISYM_AINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1305 gfc_check_a_xkind, gfc_simplify_aint, gfc_resolve_aint,
1306 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1307
1308 add_sym_1 ("dint", GFC_ISYM_AINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1309 NULL, gfc_simplify_dint, gfc_resolve_dint,
1310 a, BT_REAL, dd, REQUIRED);
1311
1312 make_generic ("aint", GFC_ISYM_AINT, GFC_STD_F77);
1313
1314 add_sym_2 ("all", GFC_ISYM_ALL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1315 gfc_check_all_any, gfc_simplify_all, gfc_resolve_all,
1316 msk, BT_LOGICAL, dl, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL);
1317
1318 make_generic ("all", GFC_ISYM_ALL, GFC_STD_F95);
1319
1320 add_sym_1 ("allocated", GFC_ISYM_ALLOCATED, CLASS_INQUIRY, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1321 gfc_check_allocated, NULL, NULL,
1322 ar, BT_UNKNOWN, 0, REQUIRED);
1323
1324 make_generic ("allocated", GFC_ISYM_ALLOCATED, GFC_STD_F95);
1325
1326 add_sym_2 ("anint", GFC_ISYM_ANINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1327 gfc_check_a_xkind, gfc_simplify_anint, gfc_resolve_anint,
1328 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1329
1330 add_sym_1 ("dnint", GFC_ISYM_ANINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1331 NULL, gfc_simplify_dnint, gfc_resolve_dnint,
1332 a, BT_REAL, dd, REQUIRED);
1333
1334 make_generic ("anint", GFC_ISYM_ANINT, GFC_STD_F77);
1335
1336 add_sym_2 ("any", GFC_ISYM_ANY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1337 gfc_check_all_any, gfc_simplify_any, gfc_resolve_any,
1338 msk, BT_LOGICAL, dl, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL);
1339
1340 make_generic ("any", GFC_ISYM_ANY, GFC_STD_F95);
1341
1342 add_sym_1 ("asin", GFC_ISYM_ASIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1343 gfc_check_fn_rc2008, gfc_simplify_asin, gfc_resolve_asin,
1344 x, BT_REAL, dr, REQUIRED);
1345
1346 add_sym_1 ("dasin", GFC_ISYM_ASIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1347 gfc_check_fn_d, gfc_simplify_asin, gfc_resolve_asin,
1348 x, BT_REAL, dd, REQUIRED);
1349
1350 make_generic ("asin", GFC_ISYM_ASIN, GFC_STD_F77);
1351
1352 add_sym_1 ("asinh", GFC_ISYM_ASINH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr,
1353 GFC_STD_F2008, gfc_check_fn_rc2008, gfc_simplify_asinh,
1354 gfc_resolve_asinh, x, BT_REAL, dr, REQUIRED);
1355
1356 add_sym_1 ("dasinh", GFC_ISYM_ASINH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1357 gfc_check_fn_d, gfc_simplify_asinh, gfc_resolve_asinh,
1358 x, BT_REAL, dd, REQUIRED);
1359
1360 make_generic ("asinh", GFC_ISYM_ASINH, GFC_STD_F2008);
1361
1362 add_sym_2 ("associated", GFC_ISYM_ASSOCIATED, CLASS_INQUIRY, ACTUAL_NO, BT_LOGICAL, dl,
1363 GFC_STD_F95, gfc_check_associated, NULL, NULL,
1364 pt, BT_UNKNOWN, 0, REQUIRED, tg, BT_UNKNOWN, 0, OPTIONAL);
1365
1366 make_generic ("associated", GFC_ISYM_ASSOCIATED, GFC_STD_F95);
1367
1368 add_sym_1 ("atan", GFC_ISYM_ATAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1369 gfc_check_fn_rc2008, gfc_simplify_atan, gfc_resolve_atan,
1370 x, BT_REAL, dr, REQUIRED);
1371
1372 add_sym_1 ("datan", GFC_ISYM_ATAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1373 gfc_check_fn_d, gfc_simplify_atan, gfc_resolve_atan,
1374 x, BT_REAL, dd, REQUIRED);
1375
1376 /* Two-argument version of atan, equivalent to atan2. */
1377 add_sym_2 ("atan", GFC_ISYM_ATAN2, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F2008,
1378 gfc_check_atan_2, gfc_simplify_atan2, gfc_resolve_atan2,
1379 y, BT_REAL, dr, REQUIRED, x, BT_REAL, dr, REQUIRED);
1380
1381 make_generic ("atan", GFC_ISYM_ATAN, GFC_STD_F77);
1382
1383 add_sym_1 ("atanh", GFC_ISYM_ATANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr,
1384 GFC_STD_F2008, gfc_check_fn_rc2008, gfc_simplify_atanh,
1385 gfc_resolve_atanh, x, BT_REAL, dr, REQUIRED);
1386
1387 add_sym_1 ("datanh", GFC_ISYM_ATANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1388 gfc_check_fn_d, gfc_simplify_atanh, gfc_resolve_atanh,
1389 x, BT_REAL, dd, REQUIRED);
1390
1391 make_generic ("atanh", GFC_ISYM_ATANH, GFC_STD_F2008);
1392
1393 add_sym_2 ("atan2", GFC_ISYM_ATAN2, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1394 gfc_check_atan2, gfc_simplify_atan2, gfc_resolve_atan2,
1395 y, BT_REAL, dr, REQUIRED, x, BT_REAL, dr, REQUIRED);
1396
1397 add_sym_2 ("datan2", GFC_ISYM_ATAN2, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1398 gfc_check_datan2, gfc_simplify_atan2, gfc_resolve_atan2,
1399 y, BT_REAL, dd, REQUIRED, x, BT_REAL, dd, REQUIRED);
1400
1401 make_generic ("atan2", GFC_ISYM_ATAN2, GFC_STD_F77);
1402
1403 /* Bessel and Neumann functions for G77 compatibility. */
1404 add_sym_1 ("besj0", GFC_ISYM_J0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1405 gfc_check_fn_r, gfc_simplify_bessel_j0, gfc_resolve_g77_math1,
1406 x, BT_REAL, dr, REQUIRED);
1407
1408 make_alias ("bessel_j0", GFC_STD_F2008);
1409
1410 add_sym_1 ("dbesj0", GFC_ISYM_J0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1411 gfc_check_fn_d, gfc_simplify_bessel_j0, gfc_resolve_g77_math1,
1412 x, BT_REAL, dd, REQUIRED);
1413
1414 make_generic ("bessel_j0", GFC_ISYM_J0, GFC_STD_F2008);
1415
1416 add_sym_1 ("besj1", GFC_ISYM_J1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1417 gfc_check_fn_r, gfc_simplify_bessel_j1, gfc_resolve_g77_math1,
1418 x, BT_REAL, dr, REQUIRED);
1419
1420 make_alias ("bessel_j1", GFC_STD_F2008);
1421
1422 add_sym_1 ("dbesj1", GFC_ISYM_J1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1423 gfc_check_fn_d, gfc_simplify_bessel_j1, gfc_resolve_g77_math1,
1424 x, BT_REAL, dd, REQUIRED);
1425
1426 make_generic ("bessel_j1", GFC_ISYM_J1, GFC_STD_F2008);
1427
1428 add_sym_2 ("besjn", GFC_ISYM_JN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1429 gfc_check_besn, gfc_simplify_bessel_jn, gfc_resolve_besn,
1430 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dr, REQUIRED);
1431
1432 make_alias ("bessel_jn", GFC_STD_F2008);
1433
1434 add_sym_2 ("dbesjn", GFC_ISYM_JN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1435 gfc_check_besn, gfc_simplify_bessel_jn, gfc_resolve_besn,
1436 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dd, REQUIRED);
1437
1438 add_sym_3 ("bessel_jn", GFC_ISYM_JN2, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1439 gfc_check_bessel_n2, gfc_simplify_bessel_jn2, gfc_resolve_bessel_n2,
1440 "n1", BT_INTEGER, di, REQUIRED,"n2", BT_INTEGER, di, REQUIRED,
1441 x, BT_REAL, dr, REQUIRED);
1442 set_attr_value (3, true, true, true);
1443
1444 make_generic ("bessel_jn", GFC_ISYM_JN, GFC_STD_F2008);
1445
1446 add_sym_1 ("besy0", GFC_ISYM_Y0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1447 gfc_check_fn_r, gfc_simplify_bessel_y0, gfc_resolve_g77_math1,
1448 x, BT_REAL, dr, REQUIRED);
1449
1450 make_alias ("bessel_y0", GFC_STD_F2008);
1451
1452 add_sym_1 ("dbesy0", GFC_ISYM_Y0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1453 gfc_check_fn_d, gfc_simplify_bessel_y0, gfc_resolve_g77_math1,
1454 x, BT_REAL, dd, REQUIRED);
1455
1456 make_generic ("bessel_y0", GFC_ISYM_Y0, GFC_STD_F2008);
1457
1458 add_sym_1 ("besy1", GFC_ISYM_Y1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1459 gfc_check_fn_r, gfc_simplify_bessel_y1, gfc_resolve_g77_math1,
1460 x, BT_REAL, dr, REQUIRED);
1461
1462 make_alias ("bessel_y1", GFC_STD_F2008);
1463
1464 add_sym_1 ("dbesy1", GFC_ISYM_Y1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1465 gfc_check_fn_d, gfc_simplify_bessel_y1, gfc_resolve_g77_math1,
1466 x, BT_REAL, dd, REQUIRED);
1467
1468 make_generic ("bessel_y1", GFC_ISYM_Y1, GFC_STD_F2008);
1469
1470 add_sym_2 ("besyn", GFC_ISYM_YN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1471 gfc_check_besn, gfc_simplify_bessel_yn, gfc_resolve_besn,
1472 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dr, REQUIRED);
1473
1474 make_alias ("bessel_yn", GFC_STD_F2008);
1475
1476 add_sym_2 ("dbesyn", GFC_ISYM_YN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1477 gfc_check_besn, gfc_simplify_bessel_yn, gfc_resolve_besn,
1478 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dd, REQUIRED);
1479
1480 add_sym_3 ("bessel_yn", GFC_ISYM_YN2, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1481 gfc_check_bessel_n2, gfc_simplify_bessel_yn2, gfc_resolve_bessel_n2,
1482 "n1", BT_INTEGER, di, REQUIRED,"n2", BT_INTEGER, di, REQUIRED,
1483 x, BT_REAL, dr, REQUIRED);
1484 set_attr_value (3, true, true, true);
1485
1486 make_generic ("bessel_yn", GFC_ISYM_YN, GFC_STD_F2008);
1487
1488 add_sym_2 ("bge", GFC_ISYM_BGE, CLASS_ELEMENTAL, ACTUAL_NO,
1489 BT_LOGICAL, dl, GFC_STD_F2008,
1490 gfc_check_bge_bgt_ble_blt, gfc_simplify_bge, NULL,
1491 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1492
1493 make_generic ("bge", GFC_ISYM_BGE, GFC_STD_F2008);
1494
1495 add_sym_2 ("bgt", GFC_ISYM_BGT, CLASS_ELEMENTAL, ACTUAL_NO,
1496 BT_LOGICAL, dl, GFC_STD_F2008,
1497 gfc_check_bge_bgt_ble_blt, gfc_simplify_bgt, NULL,
1498 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1499
1500 make_generic ("bgt", GFC_ISYM_BGT, GFC_STD_F2008);
1501
1502 add_sym_1 ("bit_size", GFC_ISYM_BIT_SIZE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1503 gfc_check_i, gfc_simplify_bit_size, NULL,
1504 i, BT_INTEGER, di, REQUIRED);
1505
1506 make_generic ("bit_size", GFC_ISYM_BIT_SIZE, GFC_STD_F95);
1507
1508 add_sym_2 ("ble", GFC_ISYM_BLE, CLASS_ELEMENTAL, ACTUAL_NO,
1509 BT_LOGICAL, dl, GFC_STD_F2008,
1510 gfc_check_bge_bgt_ble_blt, gfc_simplify_ble, NULL,
1511 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1512
1513 make_generic ("ble", GFC_ISYM_BLE, GFC_STD_F2008);
1514
1515 add_sym_2 ("blt", GFC_ISYM_BLT, CLASS_ELEMENTAL, ACTUAL_NO,
1516 BT_LOGICAL, dl, GFC_STD_F2008,
1517 gfc_check_bge_bgt_ble_blt, gfc_simplify_blt, NULL,
1518 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1519
1520 make_generic ("blt", GFC_ISYM_BLT, GFC_STD_F2008);
1521
1522 add_sym_2 ("btest", GFC_ISYM_BTEST, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1523 gfc_check_bitfcn, gfc_simplify_btest, gfc_resolve_btest,
1524 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED);
1525
1526 make_generic ("btest", GFC_ISYM_BTEST, GFC_STD_F95);
1527
1528 add_sym_2 ("ceiling", GFC_ISYM_CEILING, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1529 gfc_check_a_ikind, gfc_simplify_ceiling, gfc_resolve_ceiling,
1530 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1531
1532 make_generic ("ceiling", GFC_ISYM_CEILING, GFC_STD_F95);
1533
1534 add_sym_2 ("char", GFC_ISYM_CHAR, CLASS_ELEMENTAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F77,
1535 gfc_check_char, gfc_simplify_char, gfc_resolve_char,
1536 i, BT_INTEGER, di, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1537
1538 make_generic ("char", GFC_ISYM_CHAR, GFC_STD_F77);
1539
1540 add_sym_1 ("chdir", GFC_ISYM_CHDIR, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
1541 GFC_STD_GNU, gfc_check_chdir, NULL, gfc_resolve_chdir,
1542 nm, BT_CHARACTER, dc, REQUIRED);
1543
1544 make_generic ("chdir", GFC_ISYM_CHDIR, GFC_STD_GNU);
1545
1546 add_sym_2 ("chmod", GFC_ISYM_CHMOD, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1547 di, GFC_STD_GNU, gfc_check_chmod, NULL, gfc_resolve_chmod,
1548 nm, BT_CHARACTER, dc, REQUIRED, md, BT_CHARACTER, dc, REQUIRED);
1549
1550 make_generic ("chmod", GFC_ISYM_CHMOD, GFC_STD_GNU);
1551
1552 add_sym_3 ("cmplx", GFC_ISYM_CMPLX, CLASS_ELEMENTAL, ACTUAL_NO, BT_COMPLEX, dz, GFC_STD_F77,
1553 gfc_check_cmplx, gfc_simplify_cmplx, gfc_resolve_cmplx,
1554 x, BT_UNKNOWN, dr, REQUIRED, y, BT_UNKNOWN, dr, OPTIONAL,
1555 kind, BT_INTEGER, di, OPTIONAL);
1556
1557 make_generic ("cmplx", GFC_ISYM_CMPLX, GFC_STD_F77);
1558
1559 add_sym_0 ("command_argument_count", GFC_ISYM_COMMAND_ARGUMENT_COUNT, CLASS_INQUIRY,
1560 ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2003, NULL, NULL, NULL);
1561
1562 make_generic ("command_argument_count", GFC_ISYM_COMMAND_ARGUMENT_COUNT,
1563 GFC_STD_F2003);
1564
1565 add_sym_2 ("complex", GFC_ISYM_COMPLEX, CLASS_ELEMENTAL, ACTUAL_NO, BT_COMPLEX, dz, GFC_STD_GNU,
1566 gfc_check_complex, gfc_simplify_complex, gfc_resolve_complex,
1567 x, BT_UNKNOWN, dr, REQUIRED, y, BT_UNKNOWN, dr, REQUIRED);
1568
1569 make_generic ("complex", GFC_ISYM_COMPLEX, GFC_STD_GNU);
1570
1571 /* Making dcmplx a specific of cmplx causes cmplx to return a double
1572 complex instead of the default complex. */
1573
1574 add_sym_2 ("dcmplx", GFC_ISYM_CMPLX, CLASS_ELEMENTAL, ACTUAL_NO, BT_COMPLEX, dd, GFC_STD_GNU,
1575 gfc_check_dcmplx, gfc_simplify_dcmplx, gfc_resolve_dcmplx,
1576 x, BT_REAL, dd, REQUIRED, y, BT_REAL, dd, OPTIONAL);
1577
1578 make_generic ("dcmplx", GFC_ISYM_CMPLX, GFC_STD_GNU);
1579
1580 add_sym_1 ("conjg", GFC_ISYM_CONJG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
1581 gfc_check_fn_c, gfc_simplify_conjg, gfc_resolve_conjg,
1582 z, BT_COMPLEX, dz, REQUIRED);
1583
1584 add_sym_1 ("dconjg", GFC_ISYM_CONJG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
1585 NULL, gfc_simplify_conjg, gfc_resolve_conjg,
1586 z, BT_COMPLEX, dd, REQUIRED);
1587
1588 make_generic ("conjg", GFC_ISYM_CONJG, GFC_STD_F77);
1589
1590 add_sym_1 ("cos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1591 gfc_check_fn_rc, gfc_simplify_cos, gfc_resolve_cos,
1592 x, BT_REAL, dr, REQUIRED);
1593
1594 add_sym_1 ("dcos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1595 gfc_check_fn_d, gfc_simplify_cos, gfc_resolve_cos,
1596 x, BT_REAL, dd, REQUIRED);
1597
1598 add_sym_1 ("ccos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
1599 NULL, gfc_simplify_cos, gfc_resolve_cos,
1600 x, BT_COMPLEX, dz, REQUIRED);
1601
1602 add_sym_1 ("zcos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
1603 NULL, gfc_simplify_cos, gfc_resolve_cos,
1604 x, BT_COMPLEX, dd, REQUIRED);
1605
1606 make_alias ("cdcos", GFC_STD_GNU);
1607
1608 make_generic ("cos", GFC_ISYM_COS, GFC_STD_F77);
1609
1610 add_sym_1 ("cosh", GFC_ISYM_COSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1611 gfc_check_fn_rc2008, gfc_simplify_cosh, gfc_resolve_cosh,
1612 x, BT_REAL, dr, REQUIRED);
1613
1614 add_sym_1 ("dcosh", GFC_ISYM_COSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1615 gfc_check_fn_d, gfc_simplify_cosh, gfc_resolve_cosh,
1616 x, BT_REAL, dd, REQUIRED);
1617
1618 make_generic ("cosh", GFC_ISYM_COSH, GFC_STD_F77);
1619
1620 add_sym_3 ("count", GFC_ISYM_COUNT, CLASS_TRANSFORMATIONAL, ACTUAL_NO,
1621 BT_INTEGER, di, GFC_STD_F95,
1622 gfc_check_count, gfc_simplify_count, gfc_resolve_count,
1623 msk, BT_LOGICAL, dl, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
1624 kind, BT_INTEGER, di, OPTIONAL);
1625
1626 make_generic ("count", GFC_ISYM_COUNT, GFC_STD_F95);
1627
1628 add_sym_3 ("cshift", GFC_ISYM_CSHIFT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1629 gfc_check_cshift, NULL, gfc_resolve_cshift,
1630 ar, BT_REAL, dr, REQUIRED, sh, BT_INTEGER, di, REQUIRED,
1631 dm, BT_INTEGER, ii, OPTIONAL);
1632
1633 make_generic ("cshift", GFC_ISYM_CSHIFT, GFC_STD_F95);
1634
1635 add_sym_1 ("ctime", GFC_ISYM_CTIME, CLASS_IMPURE, ACTUAL_NO, BT_CHARACTER,
1636 0, GFC_STD_GNU, gfc_check_ctime, NULL, gfc_resolve_ctime,
1637 tm, BT_INTEGER, di, REQUIRED);
1638
1639 make_generic ("ctime", GFC_ISYM_CTIME, GFC_STD_GNU);
1640
1641 add_sym_1 ("dble", GFC_ISYM_DBLE, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_F77,
1642 gfc_check_dble, gfc_simplify_dble, gfc_resolve_dble,
1643 a, BT_REAL, dr, REQUIRED);
1644
1645 make_generic ("dble", GFC_ISYM_DBLE, GFC_STD_F77);
1646
1647 add_sym_1 ("digits", GFC_ISYM_DIGITS, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1648 gfc_check_digits, gfc_simplify_digits, NULL,
1649 x, BT_UNKNOWN, dr, REQUIRED);
1650
1651 make_generic ("digits", GFC_ISYM_DIGITS, GFC_STD_F95);
1652
1653 add_sym_2 ("dim", GFC_ISYM_DIM, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1654 gfc_check_a_p, gfc_simplify_dim, gfc_resolve_dim,
1655 x, BT_REAL, dr, REQUIRED, y, BT_REAL, dr, REQUIRED);
1656
1657 add_sym_2 ("idim", GFC_ISYM_DIM, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
1658 NULL, gfc_simplify_dim, gfc_resolve_dim,
1659 x, BT_INTEGER, di, REQUIRED, y, BT_INTEGER, di, REQUIRED);
1660
1661 add_sym_2 ("ddim", GFC_ISYM_DIM, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1662 gfc_check_x_yd, gfc_simplify_dim, gfc_resolve_dim,
1663 x, BT_REAL, dd, REQUIRED, y, BT_REAL, dd, REQUIRED);
1664
1665 make_generic ("dim", GFC_ISYM_DIM, GFC_STD_F77);
1666
1667 add_sym_2 ("dot_product", GFC_ISYM_DOT_PRODUCT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr,
1668 GFC_STD_F95, gfc_check_dot_product, gfc_simplify_dot_product, gfc_resolve_dot_product,
1669 va, BT_REAL, dr, REQUIRED, vb, BT_REAL, dr, REQUIRED);
1670
1671 make_generic ("dot_product", GFC_ISYM_DOT_PRODUCT, GFC_STD_F95);
1672
1673 add_sym_2 ("dprod", GFC_ISYM_DPROD,CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1674 gfc_check_dprod, gfc_simplify_dprod, gfc_resolve_dprod,
1675 x, BT_REAL, dr, REQUIRED, y, BT_REAL, dr, REQUIRED);
1676
1677 make_generic ("dprod", GFC_ISYM_DPROD, GFC_STD_F77);
1678
1679 add_sym_1 ("dreal", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO,
1680 BT_REAL, dd, GFC_STD_GNU, NULL, gfc_simplify_dreal, NULL,
1681 a, BT_COMPLEX, dd, REQUIRED);
1682
1683 make_generic ("dreal", GFC_ISYM_REAL, GFC_STD_GNU);
1684
1685 add_sym_3 ("dshiftl", GFC_ISYM_DSHIFTL, CLASS_ELEMENTAL, ACTUAL_NO,
1686 BT_INTEGER, di, GFC_STD_F2008,
1687 gfc_check_dshift, gfc_simplify_dshiftl, gfc_resolve_dshift,
1688 i, BT_INTEGER, di, REQUIRED,
1689 j, BT_INTEGER, di, REQUIRED,
1690 sh, BT_INTEGER, di, REQUIRED);
1691
1692 make_generic ("dshiftl", GFC_ISYM_DSHIFTL, GFC_STD_F2008);
1693
1694 add_sym_3 ("dshiftr", GFC_ISYM_DSHIFTR, CLASS_ELEMENTAL, ACTUAL_NO,
1695 BT_INTEGER, di, GFC_STD_F2008,
1696 gfc_check_dshift, gfc_simplify_dshiftr, gfc_resolve_dshift,
1697 i, BT_INTEGER, di, REQUIRED,
1698 j, BT_INTEGER, di, REQUIRED,
1699 sh, BT_INTEGER, di, REQUIRED);
1700
1701 make_generic ("dshiftr", GFC_ISYM_DSHIFTR, GFC_STD_F2008);
1702
1703 add_sym_4 ("eoshift", GFC_ISYM_EOSHIFT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1704 gfc_check_eoshift, NULL, gfc_resolve_eoshift,
1705 ar, BT_REAL, dr, REQUIRED, sh, BT_INTEGER, ii, REQUIRED,
1706 bd, BT_REAL, dr, OPTIONAL, dm, BT_INTEGER, ii, OPTIONAL);
1707
1708 make_generic ("eoshift", GFC_ISYM_EOSHIFT, GFC_STD_F95);
1709
1710 add_sym_1 ("epsilon", GFC_ISYM_EPSILON, CLASS_INQUIRY, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1711 gfc_check_x, gfc_simplify_epsilon, NULL,
1712 x, BT_REAL, dr, REQUIRED);
1713
1714 make_generic ("epsilon", GFC_ISYM_EPSILON, GFC_STD_F95);
1715
1716 /* G77 compatibility for the ERF() and ERFC() functions. */
1717 add_sym_1 ("erf", GFC_ISYM_ERF, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr,
1718 GFC_STD_F2008, gfc_check_fn_r, gfc_simplify_erf,
1719 gfc_resolve_g77_math1, x, BT_REAL, dr, REQUIRED);
1720
1721 add_sym_1 ("derf", GFC_ISYM_ERF, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd,
1722 GFC_STD_GNU, gfc_check_fn_d, gfc_simplify_erf,
1723 gfc_resolve_g77_math1, x, BT_REAL, dd, REQUIRED);
1724
1725 make_generic ("erf", GFC_ISYM_ERF, GFC_STD_F2008);
1726
1727 add_sym_1 ("erfc", GFC_ISYM_ERFC, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr,
1728 GFC_STD_F2008, gfc_check_fn_r, gfc_simplify_erfc,
1729 gfc_resolve_g77_math1, x, BT_REAL, dr, REQUIRED);
1730
1731 add_sym_1 ("derfc", GFC_ISYM_ERFC, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd,
1732 GFC_STD_GNU, gfc_check_fn_d, gfc_simplify_erfc,
1733 gfc_resolve_g77_math1, x, BT_REAL, dd, REQUIRED);
1734
1735 make_generic ("erfc", GFC_ISYM_ERFC, GFC_STD_F2008);
1736
1737 add_sym_1 ("erfc_scaled", GFC_ISYM_ERFC_SCALED, CLASS_ELEMENTAL, ACTUAL_NO,
1738 BT_REAL, dr, GFC_STD_F2008, gfc_check_fn_r,
1739 gfc_simplify_erfc_scaled, gfc_resolve_g77_math1, x, BT_REAL,
1740 dr, REQUIRED);
1741
1742 make_generic ("erfc_scaled", GFC_ISYM_ERFC_SCALED, GFC_STD_F2008);
1743
1744 /* G77 compatibility */
1745 add_sym_1 ("dtime", GFC_ISYM_DTIME, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
1746 4, GFC_STD_GNU, gfc_check_dtime_etime, NULL, NULL,
1747 x, BT_REAL, 4, REQUIRED);
1748
1749 make_generic ("dtime", GFC_ISYM_DTIME, GFC_STD_GNU);
1750
1751 add_sym_1 ("etime", GFC_ISYM_ETIME, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
1752 4, GFC_STD_GNU, gfc_check_dtime_etime, NULL, NULL,
1753 x, BT_REAL, 4, REQUIRED);
1754
1755 make_generic ("etime", GFC_ISYM_ETIME, GFC_STD_GNU);
1756
1757 add_sym_1 ("exp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1758 gfc_check_fn_rc, gfc_simplify_exp, gfc_resolve_exp,
1759 x, BT_REAL, dr, REQUIRED);
1760
1761 add_sym_1 ("dexp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1762 gfc_check_fn_d, gfc_simplify_exp, gfc_resolve_exp,
1763 x, BT_REAL, dd, REQUIRED);
1764
1765 add_sym_1 ("cexp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
1766 NULL, gfc_simplify_exp, gfc_resolve_exp,
1767 x, BT_COMPLEX, dz, REQUIRED);
1768
1769 add_sym_1 ("zexp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
1770 NULL, gfc_simplify_exp, gfc_resolve_exp,
1771 x, BT_COMPLEX, dd, REQUIRED);
1772
1773 make_alias ("cdexp", GFC_STD_GNU);
1774
1775 make_generic ("exp", GFC_ISYM_EXP, GFC_STD_F77);
1776
1777 add_sym_1 ("exponent", GFC_ISYM_EXPONENT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1778 gfc_check_x, gfc_simplify_exponent, gfc_resolve_exponent,
1779 x, BT_REAL, dr, REQUIRED);
1780
1781 make_generic ("exponent", GFC_ISYM_EXPONENT, GFC_STD_F95);
1782
1783 add_sym_2 ("extends_type_of", GFC_ISYM_EXTENDS_TYPE_OF, CLASS_INQUIRY,
1784 ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F2003,
1785 gfc_check_same_type_as, gfc_simplify_extends_type_of,
1786 gfc_resolve_extends_type_of,
1787 a, BT_UNKNOWN, 0, REQUIRED,
1788 mo, BT_UNKNOWN, 0, REQUIRED);
1789
1790 add_sym_0 ("fdate", GFC_ISYM_FDATE, CLASS_IMPURE, ACTUAL_NO, BT_CHARACTER,
1791 dc, GFC_STD_GNU, NULL, NULL, gfc_resolve_fdate);
1792
1793 make_generic ("fdate", GFC_ISYM_FDATE, GFC_STD_GNU);
1794
1795 add_sym_2 ("floor", GFC_ISYM_FLOOR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1796 gfc_check_a_ikind, gfc_simplify_floor, gfc_resolve_floor,
1797 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1798
1799 make_generic ("floor", GFC_ISYM_FLOOR, GFC_STD_F95);
1800
1801 /* G77 compatible fnum */
1802 add_sym_1 ("fnum", GFC_ISYM_FNUM, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1803 di, GFC_STD_GNU, gfc_check_fnum, NULL, gfc_resolve_fnum,
1804 ut, BT_INTEGER, di, REQUIRED);
1805
1806 make_generic ("fnum", GFC_ISYM_FNUM, GFC_STD_GNU);
1807
1808 add_sym_1 ("fraction", GFC_ISYM_FRACTION, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1809 gfc_check_x, gfc_simplify_fraction, gfc_resolve_fraction,
1810 x, BT_REAL, dr, REQUIRED);
1811
1812 make_generic ("fraction", GFC_ISYM_FRACTION, GFC_STD_F95);
1813
1814 add_sym_2_intent ("fstat", GFC_ISYM_FSTAT, CLASS_IMPURE, ACTUAL_NO,
1815 BT_INTEGER, di, GFC_STD_GNU,
1816 gfc_check_fstat, NULL, gfc_resolve_fstat,
1817 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
1818 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
1819
1820 make_generic ("fstat", GFC_ISYM_FSTAT, GFC_STD_GNU);
1821
1822 add_sym_1 ("ftell", GFC_ISYM_FTELL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1823 ii, GFC_STD_GNU, gfc_check_ftell, NULL, gfc_resolve_ftell,
1824 ut, BT_INTEGER, di, REQUIRED);
1825
1826 make_generic ("ftell", GFC_ISYM_FTELL, GFC_STD_GNU);
1827
1828 add_sym_2_intent ("fgetc", GFC_ISYM_FGETC, CLASS_IMPURE, ACTUAL_NO,
1829 BT_INTEGER, di, GFC_STD_GNU,
1830 gfc_check_fgetputc, NULL, gfc_resolve_fgetc,
1831 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
1832 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
1833
1834 make_generic ("fgetc", GFC_ISYM_FGETC, GFC_STD_GNU);
1835
1836 add_sym_1_intent ("fget", GFC_ISYM_FGET, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1837 di, GFC_STD_GNU, gfc_check_fgetput, NULL, gfc_resolve_fget,
1838 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
1839
1840 make_generic ("fget", GFC_ISYM_FGET, GFC_STD_GNU);
1841
1842 add_sym_2 ("fputc", GFC_ISYM_FPUTC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1843 di, GFC_STD_GNU, gfc_check_fgetputc, NULL, gfc_resolve_fputc,
1844 ut, BT_INTEGER, di, REQUIRED, c, BT_CHARACTER, dc, REQUIRED);
1845
1846 make_generic ("fputc", GFC_ISYM_FPUTC, GFC_STD_GNU);
1847
1848 add_sym_1 ("fput", GFC_ISYM_FPUT, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1849 di, GFC_STD_GNU, gfc_check_fgetput, NULL, gfc_resolve_fput,
1850 c, BT_CHARACTER, dc, REQUIRED);
1851
1852 make_generic ("fput", GFC_ISYM_FPUT, GFC_STD_GNU);
1853
1854 add_sym_1 ("gamma", GFC_ISYM_TGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr,
1855 GFC_STD_F2008, gfc_check_fn_r, gfc_simplify_gamma,
1856 gfc_resolve_gamma, x, BT_REAL, dr, REQUIRED);
1857
1858 add_sym_1 ("dgamma", GFC_ISYM_TGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1859 gfc_check_fn_d, gfc_simplify_gamma, gfc_resolve_gamma,
1860 x, BT_REAL, dr, REQUIRED);
1861
1862 make_generic ("gamma", GFC_ISYM_TGAMMA, GFC_STD_F2008);
1863
1864 /* Unix IDs (g77 compatibility) */
1865 add_sym_1 ("getcwd", GFC_ISYM_GETCWD, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1866 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getcwd,
1867 c, BT_CHARACTER, dc, REQUIRED);
1868
1869 make_generic ("getcwd", GFC_ISYM_GETCWD, GFC_STD_GNU);
1870
1871 add_sym_0 ("getgid", GFC_ISYM_GETGID, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1872 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getgid);
1873
1874 make_generic ("getgid", GFC_ISYM_GETGID, GFC_STD_GNU);
1875
1876 add_sym_0 ("getpid", GFC_ISYM_GETPID, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1877 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getpid);
1878
1879 make_generic ("getpid", GFC_ISYM_GETPID, GFC_STD_GNU);
1880
1881 add_sym_0 ("getuid", GFC_ISYM_GETUID, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1882 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getuid);
1883
1884 make_generic ("getuid", GFC_ISYM_GETUID, GFC_STD_GNU);
1885
1886 add_sym_1_intent ("hostnm", GFC_ISYM_HOSTNM, CLASS_IMPURE, ACTUAL_NO,
1887 BT_INTEGER, di, GFC_STD_GNU,
1888 gfc_check_hostnm, NULL, gfc_resolve_hostnm,
1889 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
1890
1891 make_generic ("hostnm", GFC_ISYM_HOSTNM, GFC_STD_GNU);
1892
1893 add_sym_1 ("huge", GFC_ISYM_HUGE, CLASS_INQUIRY, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1894 gfc_check_huge, gfc_simplify_huge, NULL,
1895 x, BT_UNKNOWN, dr, REQUIRED);
1896
1897 make_generic ("huge", GFC_ISYM_HUGE, GFC_STD_F95);
1898
1899 add_sym_2 ("hypot", GFC_ISYM_HYPOT, CLASS_ELEMENTAL, ACTUAL_NO,
1900 BT_REAL, dr, GFC_STD_F2008,
1901 gfc_check_hypot, gfc_simplify_hypot, gfc_resolve_hypot,
1902 x, BT_REAL, dr, REQUIRED, y, BT_REAL, dr, REQUIRED);
1903
1904 make_generic ("hypot", GFC_ISYM_HYPOT, GFC_STD_F2008);
1905
1906 add_sym_2 ("iachar", GFC_ISYM_IACHAR, CLASS_ELEMENTAL, ACTUAL_NO,
1907 BT_INTEGER, di, GFC_STD_F95,
1908 gfc_check_ichar_iachar, gfc_simplify_iachar, gfc_resolve_iachar,
1909 c, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1910
1911 make_generic ("iachar", GFC_ISYM_IACHAR, GFC_STD_F95);
1912
1913 add_sym_2 ("iand", GFC_ISYM_IAND, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1914 gfc_check_iand, gfc_simplify_iand, gfc_resolve_iand,
1915 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1916
1917 make_generic ("iand", GFC_ISYM_IAND, GFC_STD_F95);
1918
1919 add_sym_2 ("and", GFC_ISYM_AND, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
1920 dl, GFC_STD_GNU, gfc_check_and, gfc_simplify_and, gfc_resolve_and,
1921 i, BT_UNKNOWN, 0, REQUIRED, j, BT_UNKNOWN, 0, REQUIRED);
1922
1923 make_generic ("and", GFC_ISYM_AND, GFC_STD_GNU);
1924
1925 add_sym_3red ("iall", GFC_ISYM_IALL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1926 gfc_check_transf_bit_intrins, gfc_simplify_iall, gfc_resolve_iall,
1927 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
1928 msk, BT_LOGICAL, dl, OPTIONAL);
1929
1930 make_generic ("iall", GFC_ISYM_IALL, GFC_STD_F2008);
1931
1932 add_sym_3red ("iany", GFC_ISYM_IANY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1933 gfc_check_transf_bit_intrins, gfc_simplify_iany, gfc_resolve_iany,
1934 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
1935 msk, BT_LOGICAL, dl, OPTIONAL);
1936
1937 make_generic ("iany", GFC_ISYM_IANY, GFC_STD_F2008);
1938
1939 add_sym_0 ("iargc", GFC_ISYM_IARGC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1940 di, GFC_STD_GNU, NULL, NULL, NULL);
1941
1942 make_generic ("iargc", GFC_ISYM_IARGC, GFC_STD_GNU);
1943
1944 add_sym_2 ("ibclr", GFC_ISYM_IBCLR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1945 gfc_check_bitfcn, gfc_simplify_ibclr, gfc_resolve_ibclr,
1946 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED);
1947
1948 make_generic ("ibclr", GFC_ISYM_IBCLR, GFC_STD_F95);
1949
1950 add_sym_3 ("ibits", GFC_ISYM_IBITS, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1951 gfc_check_ibits, gfc_simplify_ibits, gfc_resolve_ibits,
1952 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED,
1953 ln, BT_INTEGER, di, REQUIRED);
1954
1955 make_generic ("ibits", GFC_ISYM_IBITS, GFC_STD_F95);
1956
1957 add_sym_2 ("ibset", GFC_ISYM_IBSET, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1958 gfc_check_bitfcn, gfc_simplify_ibset, gfc_resolve_ibset,
1959 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED);
1960
1961 make_generic ("ibset", GFC_ISYM_IBSET, GFC_STD_F95);
1962
1963 add_sym_2 ("ichar", GFC_ISYM_ICHAR, CLASS_ELEMENTAL, ACTUAL_NO,
1964 BT_INTEGER, di, GFC_STD_F77,
1965 gfc_check_ichar_iachar, gfc_simplify_ichar, gfc_resolve_ichar,
1966 c, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1967
1968 make_generic ("ichar", GFC_ISYM_ICHAR, GFC_STD_F77);
1969
1970 add_sym_2 ("ieor", GFC_ISYM_IEOR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1971 gfc_check_ieor, gfc_simplify_ieor, gfc_resolve_ieor,
1972 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1973
1974 make_generic ("ieor", GFC_ISYM_IEOR, GFC_STD_F95);
1975
1976 add_sym_2 ("xor", GFC_ISYM_XOR, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
1977 dl, GFC_STD_GNU, gfc_check_and, gfc_simplify_xor, gfc_resolve_xor,
1978 i, BT_UNKNOWN, 0, REQUIRED, j, BT_UNKNOWN, 0, REQUIRED);
1979
1980 make_generic ("xor", GFC_ISYM_XOR, GFC_STD_GNU);
1981
1982 add_sym_0 ("ierrno", GFC_ISYM_IERRNO, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1983 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_ierrno);
1984
1985 make_generic ("ierrno", GFC_ISYM_IERRNO, GFC_STD_GNU);
1986
1987 add_sym_2 ("image_index", GFC_ISYM_IMAGE_INDEX, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2008,
1988 gfc_check_image_index, gfc_simplify_image_index, gfc_resolve_image_index,
1989 ca, BT_REAL, dr, REQUIRED, sub, BT_INTEGER, ii, REQUIRED);
1990
1991 /* The resolution function for INDEX is called gfc_resolve_index_func
1992 because the name gfc_resolve_index is already used in resolve.c. */
1993 add_sym_4 ("index", GFC_ISYM_INDEX, CLASS_ELEMENTAL, ACTUAL_YES,
1994 BT_INTEGER, di, GFC_STD_F77,
1995 gfc_check_index, gfc_simplify_index, gfc_resolve_index_func,
1996 stg, BT_CHARACTER, dc, REQUIRED, ssg, BT_CHARACTER, dc, REQUIRED,
1997 bck, BT_LOGICAL, dl, OPTIONAL, kind, BT_INTEGER, di, OPTIONAL);
1998
1999 make_generic ("index", GFC_ISYM_INDEX, GFC_STD_F77);
2000
2001 add_sym_2 ("int", GFC_ISYM_INT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2002 gfc_check_int, gfc_simplify_int, gfc_resolve_int,
2003 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2004
2005 add_sym_1 ("ifix", GFC_ISYM_INT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2006 NULL, gfc_simplify_ifix, NULL,
2007 a, BT_REAL, dr, REQUIRED);
2008
2009 add_sym_1 ("idint", GFC_ISYM_INT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2010 NULL, gfc_simplify_idint, NULL,
2011 a, BT_REAL, dd, REQUIRED);
2012
2013 make_generic ("int", GFC_ISYM_INT, GFC_STD_F77);
2014
2015 add_sym_1 ("int2", GFC_ISYM_INT2, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU,
2016 gfc_check_intconv, gfc_simplify_int2, gfc_resolve_int2,
2017 a, BT_REAL, dr, REQUIRED);
2018
2019 make_alias ("short", GFC_STD_GNU);
2020
2021 make_generic ("int2", GFC_ISYM_INT2, GFC_STD_GNU);
2022
2023 add_sym_1 ("int8", GFC_ISYM_INT8, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU,
2024 gfc_check_intconv, gfc_simplify_int8, gfc_resolve_int8,
2025 a, BT_REAL, dr, REQUIRED);
2026
2027 make_generic ("int8", GFC_ISYM_INT8, GFC_STD_GNU);
2028
2029 add_sym_1 ("long", GFC_ISYM_LONG, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU,
2030 gfc_check_intconv, gfc_simplify_long, gfc_resolve_long,
2031 a, BT_REAL, dr, REQUIRED);
2032
2033 make_generic ("long", GFC_ISYM_LONG, GFC_STD_GNU);
2034
2035 add_sym_2 ("ior", GFC_ISYM_IOR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2036 gfc_check_ior, gfc_simplify_ior, gfc_resolve_ior,
2037 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
2038
2039 make_generic ("ior", GFC_ISYM_IOR, GFC_STD_F95);
2040
2041 add_sym_2 ("or", GFC_ISYM_OR, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
2042 dl, GFC_STD_GNU, gfc_check_and, gfc_simplify_or, gfc_resolve_or,
2043 i, BT_UNKNOWN, 0, REQUIRED, j, BT_UNKNOWN, 0, REQUIRED);
2044
2045 make_generic ("or", GFC_ISYM_OR, GFC_STD_GNU);
2046
2047 add_sym_3red ("iparity", GFC_ISYM_IPARITY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
2048 gfc_check_transf_bit_intrins, gfc_simplify_iparity, gfc_resolve_iparity,
2049 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2050 msk, BT_LOGICAL, dl, OPTIONAL);
2051
2052 make_generic ("iparity", GFC_ISYM_IPARITY, GFC_STD_F2008);
2053
2054 /* The following function is for G77 compatibility. */
2055 add_sym_1 ("irand", GFC_ISYM_IRAND, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2056 4, GFC_STD_GNU, gfc_check_irand, NULL, NULL,
2057 i, BT_INTEGER, 4, OPTIONAL);
2058
2059 make_generic ("irand", GFC_ISYM_IRAND, GFC_STD_GNU);
2060
2061 add_sym_1 ("isatty", GFC_ISYM_ISATTY, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
2062 dl, GFC_STD_GNU, gfc_check_isatty, NULL, gfc_resolve_isatty,
2063 ut, BT_INTEGER, di, REQUIRED);
2064
2065 make_generic ("isatty", GFC_ISYM_ISATTY, GFC_STD_GNU);
2066
2067 add_sym_1 ("is_iostat_end", GFC_ISYM_IS_IOSTAT_END,
2068 CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F2003,
2069 gfc_check_i, gfc_simplify_is_iostat_end, NULL,
2070 i, BT_INTEGER, 0, REQUIRED);
2071
2072 make_generic ("is_iostat_end", GFC_ISYM_IS_IOSTAT_END, GFC_STD_F2003);
2073
2074 add_sym_1 ("is_iostat_eor", GFC_ISYM_IS_IOSTAT_EOR,
2075 CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F2003,
2076 gfc_check_i, gfc_simplify_is_iostat_eor, NULL,
2077 i, BT_INTEGER, 0, REQUIRED);
2078
2079 make_generic ("is_iostat_eor", GFC_ISYM_IS_IOSTAT_EOR, GFC_STD_F2003);
2080
2081 add_sym_1 ("isnan", GFC_ISYM_ISNAN, CLASS_ELEMENTAL, ACTUAL_NO,
2082 BT_LOGICAL, dl, GFC_STD_GNU,
2083 gfc_check_isnan, gfc_simplify_isnan, NULL,
2084 x, BT_REAL, 0, REQUIRED);
2085
2086 make_generic ("isnan", GFC_ISYM_ISNAN, GFC_STD_GNU);
2087
2088 add_sym_2 ("rshift", GFC_ISYM_RSHIFT, CLASS_ELEMENTAL, ACTUAL_NO,
2089 BT_INTEGER, di, GFC_STD_GNU,
2090 gfc_check_ishft, gfc_simplify_rshift, gfc_resolve_rshift,
2091 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED);
2092
2093 make_generic ("rshift", GFC_ISYM_RSHIFT, GFC_STD_GNU);
2094
2095 add_sym_2 ("lshift", GFC_ISYM_LSHIFT, CLASS_ELEMENTAL, ACTUAL_NO,
2096 BT_INTEGER, di, GFC_STD_GNU,
2097 gfc_check_ishft, gfc_simplify_lshift, gfc_resolve_lshift,
2098 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED);
2099
2100 make_generic ("lshift", GFC_ISYM_LSHIFT, GFC_STD_GNU);
2101
2102 add_sym_2 ("ishft", GFC_ISYM_ISHFT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2103 gfc_check_ishft, gfc_simplify_ishft, gfc_resolve_ishft,
2104 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED);
2105
2106 make_generic ("ishft", GFC_ISYM_ISHFT, GFC_STD_F95);
2107
2108 add_sym_3 ("ishftc", GFC_ISYM_ISHFTC, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2109 gfc_check_ishftc, gfc_simplify_ishftc, gfc_resolve_ishftc,
2110 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED,
2111 sz, BT_INTEGER, di, OPTIONAL);
2112
2113 make_generic ("ishftc", GFC_ISYM_ISHFTC, GFC_STD_F95);
2114
2115 add_sym_2 ("kill", GFC_ISYM_KILL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2116 di, GFC_STD_GNU, gfc_check_kill, NULL, gfc_resolve_kill,
2117 a, BT_INTEGER, di, REQUIRED, b, BT_INTEGER, di, REQUIRED);
2118
2119 make_generic ("kill", GFC_ISYM_KILL, GFC_STD_GNU);
2120
2121 add_sym_1 ("kind", GFC_ISYM_KIND, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2122 gfc_check_kind, gfc_simplify_kind, NULL,
2123 x, BT_REAL, dr, REQUIRED);
2124
2125 make_generic ("kind", GFC_ISYM_KIND, GFC_STD_F95);
2126
2127 add_sym_3 ("lbound", GFC_ISYM_LBOUND, CLASS_INQUIRY, ACTUAL_NO,
2128 BT_INTEGER, di, GFC_STD_F95,
2129 gfc_check_lbound, gfc_simplify_lbound, gfc_resolve_lbound,
2130 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, di, OPTIONAL,
2131 kind, BT_INTEGER, di, OPTIONAL);
2132
2133 make_generic ("lbound", GFC_ISYM_LBOUND, GFC_STD_F95);
2134
2135 add_sym_3 ("lcobound", GFC_ISYM_LCOBOUND, CLASS_INQUIRY, ACTUAL_NO,
2136 BT_INTEGER, di, GFC_STD_F2008,
2137 gfc_check_lcobound, gfc_simplify_lcobound, gfc_resolve_lcobound,
2138 ca, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2139 kind, BT_INTEGER, di, OPTIONAL);
2140
2141 make_generic ("lcobound", GFC_ISYM_LCOBOUND, GFC_STD_F2008);
2142
2143 add_sym_1 ("leadz", GFC_ISYM_LEADZ, CLASS_ELEMENTAL, ACTUAL_NO,
2144 BT_INTEGER, di, GFC_STD_F2008,
2145 gfc_check_i, gfc_simplify_leadz, NULL,
2146 i, BT_INTEGER, di, REQUIRED);
2147
2148 make_generic ("leadz", GFC_ISYM_LEADZ, GFC_STD_F2008);
2149
2150 add_sym_2 ("len", GFC_ISYM_LEN, CLASS_INQUIRY, ACTUAL_YES,
2151 BT_INTEGER, di, GFC_STD_F77,
2152 gfc_check_len_lentrim, gfc_simplify_len, gfc_resolve_len,
2153 stg, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2154
2155 make_generic ("len", GFC_ISYM_LEN, GFC_STD_F77);
2156
2157 add_sym_2 ("len_trim", GFC_ISYM_LEN_TRIM, CLASS_ELEMENTAL, ACTUAL_NO,
2158 BT_INTEGER, di, GFC_STD_F95,
2159 gfc_check_len_lentrim, gfc_simplify_len_trim, gfc_resolve_len_trim,
2160 stg, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2161
2162 make_alias ("lnblnk", GFC_STD_GNU);
2163
2164 make_generic ("len_trim", GFC_ISYM_LEN_TRIM, GFC_STD_F95);
2165
2166 add_sym_1 ("lgamma", GFC_ISYM_LGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL,
2167 dr, GFC_STD_GNU,
2168 gfc_check_fn_r, gfc_simplify_lgamma, gfc_resolve_lgamma,
2169 x, BT_REAL, dr, REQUIRED);
2170
2171 make_alias ("log_gamma", GFC_STD_F2008);
2172
2173 add_sym_1 ("algama", GFC_ISYM_LGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
2174 gfc_check_fn_r, gfc_simplify_lgamma, gfc_resolve_lgamma,
2175 x, BT_REAL, dr, REQUIRED);
2176
2177 add_sym_1 ("dlgama", GFC_ISYM_LGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
2178 gfc_check_fn_d, gfc_simplify_lgamma, gfc_resolve_lgamma,
2179 x, BT_REAL, dr, REQUIRED);
2180
2181 make_generic ("log_gamma", GFC_ISYM_LGAMMA, GFC_STD_F2008);
2182
2183
2184 add_sym_2 ("lge", GFC_ISYM_LGE, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2185 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_lge, NULL,
2186 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2187
2188 make_generic ("lge", GFC_ISYM_LGE, GFC_STD_F77);
2189
2190 add_sym_2 ("lgt", GFC_ISYM_LGT, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2191 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_lgt, NULL,
2192 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2193
2194 make_generic ("lgt", GFC_ISYM_LGT, GFC_STD_F77);
2195
2196 add_sym_2 ("lle",GFC_ISYM_LLE, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2197 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_lle, NULL,
2198 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2199
2200 make_generic ("lle", GFC_ISYM_LLE, GFC_STD_F77);
2201
2202 add_sym_2 ("llt", GFC_ISYM_LLT, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2203 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_llt, NULL,
2204 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2205
2206 make_generic ("llt", GFC_ISYM_LLT, GFC_STD_F77);
2207
2208 add_sym_2 ("link", GFC_ISYM_LINK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2209 GFC_STD_GNU, gfc_check_link, NULL, gfc_resolve_link,
2210 p1, BT_CHARACTER, dc, REQUIRED, p2, BT_CHARACTER, dc, REQUIRED);
2211
2212 make_generic ("link", GFC_ISYM_LINK, GFC_STD_GNU);
2213
2214 add_sym_1 ("log", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2215 gfc_check_fn_rc, gfc_simplify_log, gfc_resolve_log,
2216 x, BT_REAL, dr, REQUIRED);
2217
2218 add_sym_1 ("alog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2219 NULL, gfc_simplify_log, gfc_resolve_log,
2220 x, BT_REAL, dr, REQUIRED);
2221
2222 add_sym_1 ("dlog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2223 gfc_check_fn_d, gfc_simplify_log, gfc_resolve_log,
2224 x, BT_REAL, dd, REQUIRED);
2225
2226 add_sym_1 ("clog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
2227 NULL, gfc_simplify_log, gfc_resolve_log,
2228 x, BT_COMPLEX, dz, REQUIRED);
2229
2230 add_sym_1 ("zlog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
2231 NULL, gfc_simplify_log, gfc_resolve_log,
2232 x, BT_COMPLEX, dd, REQUIRED);
2233
2234 make_alias ("cdlog", GFC_STD_GNU);
2235
2236 make_generic ("log", GFC_ISYM_LOG, GFC_STD_F77);
2237
2238 add_sym_1 ("log10", GFC_ISYM_LOG10, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2239 gfc_check_fn_r, gfc_simplify_log10, gfc_resolve_log10,
2240 x, BT_REAL, dr, REQUIRED);
2241
2242 add_sym_1 ("alog10", GFC_ISYM_LOG10, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2243 NULL, gfc_simplify_log10, gfc_resolve_log10,
2244 x, BT_REAL, dr, REQUIRED);
2245
2246 add_sym_1 ("dlog10", GFC_ISYM_LOG10, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2247 gfc_check_fn_d, gfc_simplify_log10, gfc_resolve_log10,
2248 x, BT_REAL, dd, REQUIRED);
2249
2250 make_generic ("log10", GFC_ISYM_LOG10, GFC_STD_F77);
2251
2252 add_sym_2 ("logical", GFC_ISYM_LOGICAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
2253 gfc_check_logical, gfc_simplify_logical, gfc_resolve_logical,
2254 l, BT_LOGICAL, dl, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2255
2256 make_generic ("logical", GFC_ISYM_LOGICAL, GFC_STD_F95);
2257
2258 add_sym_2_intent ("lstat", GFC_ISYM_LSTAT, CLASS_IMPURE, ACTUAL_NO,
2259 BT_INTEGER, di, GFC_STD_GNU,
2260 gfc_check_stat, NULL, gfc_resolve_lstat,
2261 nm, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
2262 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
2263
2264 make_generic ("lstat", GFC_ISYM_LSTAT, GFC_STD_GNU);
2265
2266 add_sym_1 ("malloc", GFC_ISYM_MALLOC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, ii,
2267 GFC_STD_GNU, gfc_check_malloc, NULL, gfc_resolve_malloc,
2268 sz, BT_INTEGER, di, REQUIRED);
2269
2270 make_generic ("malloc", GFC_ISYM_MALLOC, GFC_STD_GNU);
2271
2272 add_sym_2 ("maskl", GFC_ISYM_MASKL, CLASS_ELEMENTAL, ACTUAL_NO,
2273 BT_INTEGER, di, GFC_STD_F2008,
2274 gfc_check_mask, gfc_simplify_maskl, gfc_resolve_mask,
2275 i, BT_INTEGER, di, REQUIRED,
2276 kind, BT_INTEGER, di, OPTIONAL);
2277
2278 make_generic ("maskl", GFC_ISYM_MASKL, GFC_STD_F2008);
2279
2280 add_sym_2 ("maskr", GFC_ISYM_MASKR, CLASS_ELEMENTAL, ACTUAL_NO,
2281 BT_INTEGER, di, GFC_STD_F2008,
2282 gfc_check_mask, gfc_simplify_maskr, gfc_resolve_mask,
2283 i, BT_INTEGER, di, REQUIRED,
2284 kind, BT_INTEGER, di, OPTIONAL);
2285
2286 make_generic ("maskr", GFC_ISYM_MASKR, GFC_STD_F2008);
2287
2288 add_sym_2 ("matmul", GFC_ISYM_MATMUL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2289 gfc_check_matmul, gfc_simplify_matmul, gfc_resolve_matmul,
2290 ma, BT_REAL, dr, REQUIRED, mb, BT_REAL, dr, REQUIRED);
2291
2292 make_generic ("matmul", GFC_ISYM_MATMUL, GFC_STD_F95);
2293
2294 /* Note: amax0 is equivalent to real(max), max1 is equivalent to
2295 int(max). The max function must take at least two arguments. */
2296
2297 add_sym_1m ("max", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_UNKNOWN, 0, GFC_STD_F77,
2298 gfc_check_min_max, gfc_simplify_max, gfc_resolve_max,
2299 a1, BT_UNKNOWN, dr, REQUIRED, a2, BT_UNKNOWN, dr, REQUIRED);
2300
2301 add_sym_1m ("max0", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2302 gfc_check_min_max_integer, gfc_simplify_max, NULL,
2303 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2304
2305 add_sym_1m ("amax0", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2306 gfc_check_min_max_integer, gfc_simplify_max, NULL,
2307 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2308
2309 add_sym_1m ("amax1", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2310 gfc_check_min_max_real, gfc_simplify_max, NULL,
2311 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2312
2313 add_sym_1m ("max1", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2314 gfc_check_min_max_real, gfc_simplify_max, NULL,
2315 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2316
2317 add_sym_1m ("dmax1", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_F77,
2318 gfc_check_min_max_double, gfc_simplify_max, NULL,
2319 a1, BT_REAL, dd, REQUIRED, a2, BT_REAL, dd, REQUIRED);
2320
2321 make_generic ("max", GFC_ISYM_MAX, GFC_STD_F77);
2322
2323 add_sym_1 ("maxexponent", GFC_ISYM_MAXEXPONENT, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di,
2324 GFC_STD_F95, gfc_check_x, gfc_simplify_maxexponent, NULL,
2325 x, BT_UNKNOWN, dr, REQUIRED);
2326
2327 make_generic ("maxexponent", GFC_ISYM_MAXEXPONENT, GFC_STD_F95);
2328
2329 add_sym_3ml ("maxloc", GFC_ISYM_MAXLOC, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2330 gfc_check_minloc_maxloc, NULL, gfc_resolve_maxloc,
2331 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2332 msk, BT_LOGICAL, dl, OPTIONAL);
2333
2334 make_generic ("maxloc", GFC_ISYM_MAXLOC, GFC_STD_F95);
2335
2336 add_sym_3red ("maxval", GFC_ISYM_MAXVAL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2337 gfc_check_minval_maxval, gfc_simplify_maxval, gfc_resolve_maxval,
2338 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2339 msk, BT_LOGICAL, dl, OPTIONAL);
2340
2341 make_generic ("maxval", GFC_ISYM_MAXVAL, GFC_STD_F95);
2342
2343 add_sym_0 ("mclock", GFC_ISYM_MCLOCK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2344 GFC_STD_GNU, NULL, NULL, gfc_resolve_mclock);
2345
2346 make_generic ("mclock", GFC_ISYM_MCLOCK, GFC_STD_GNU);
2347
2348 add_sym_0 ("mclock8", GFC_ISYM_MCLOCK8, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2349 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_mclock8);
2350
2351 make_generic ("mclock8", GFC_ISYM_MCLOCK8, GFC_STD_GNU);
2352
2353 add_sym_3 ("merge", GFC_ISYM_MERGE, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2354 gfc_check_merge, gfc_simplify_merge, gfc_resolve_merge,
2355 ts, BT_REAL, dr, REQUIRED, fs, BT_REAL, dr, REQUIRED,
2356 msk, BT_LOGICAL, dl, REQUIRED);
2357
2358 make_generic ("merge", GFC_ISYM_MERGE, GFC_STD_F95);
2359
2360 add_sym_3 ("merge_bits", GFC_ISYM_MERGE_BITS, CLASS_ELEMENTAL, ACTUAL_NO,
2361 BT_INTEGER, di, GFC_STD_F2008,
2362 gfc_check_merge_bits, gfc_simplify_merge_bits,
2363 gfc_resolve_merge_bits,
2364 i, BT_INTEGER, di, REQUIRED,
2365 j, BT_INTEGER, di, REQUIRED,
2366 msk, BT_INTEGER, di, REQUIRED);
2367
2368 make_generic ("merge_bits", GFC_ISYM_MERGE_BITS, GFC_STD_F2008);
2369
2370 /* Note: amin0 is equivalent to real(min), min1 is equivalent to
2371 int(min). */
2372
2373 add_sym_1m ("min", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_UNKNOWN, 0, GFC_STD_F77,
2374 gfc_check_min_max, gfc_simplify_min, gfc_resolve_min,
2375 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2376
2377 add_sym_1m ("min0", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2378 gfc_check_min_max_integer, gfc_simplify_min, NULL,
2379 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2380
2381 add_sym_1m ("amin0", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2382 gfc_check_min_max_integer, gfc_simplify_min, NULL,
2383 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2384
2385 add_sym_1m ("amin1", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2386 gfc_check_min_max_real, gfc_simplify_min, NULL,
2387 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2388
2389 add_sym_1m ("min1", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2390 gfc_check_min_max_real, gfc_simplify_min, NULL,
2391 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2392
2393 add_sym_1m ("dmin1", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_F77,
2394 gfc_check_min_max_double, gfc_simplify_min, NULL,
2395 a1, BT_REAL, dd, REQUIRED, a2, BT_REAL, dd, REQUIRED);
2396
2397 make_generic ("min", GFC_ISYM_MIN, GFC_STD_F77);
2398
2399 add_sym_1 ("minexponent", GFC_ISYM_MINEXPONENT, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di,
2400 GFC_STD_F95, gfc_check_x, gfc_simplify_minexponent, NULL,
2401 x, BT_UNKNOWN, dr, REQUIRED);
2402
2403 make_generic ("minexponent", GFC_ISYM_MINEXPONENT, GFC_STD_F95);
2404
2405 add_sym_3ml ("minloc", GFC_ISYM_MINLOC, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2406 gfc_check_minloc_maxloc, NULL, gfc_resolve_minloc,
2407 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2408 msk, BT_LOGICAL, dl, OPTIONAL);
2409
2410 make_generic ("minloc", GFC_ISYM_MINLOC, GFC_STD_F95);
2411
2412 add_sym_3red ("minval", GFC_ISYM_MINVAL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2413 gfc_check_minval_maxval, gfc_simplify_minval, gfc_resolve_minval,
2414 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2415 msk, BT_LOGICAL, dl, OPTIONAL);
2416
2417 make_generic ("minval", GFC_ISYM_MINVAL, GFC_STD_F95);
2418
2419 add_sym_2 ("mod", GFC_ISYM_MOD, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2420 gfc_check_a_p, gfc_simplify_mod, gfc_resolve_mod,
2421 a, BT_INTEGER, di, REQUIRED, p, BT_INTEGER, di, REQUIRED);
2422
2423 add_sym_2 ("amod", GFC_ISYM_MOD, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2424 NULL, gfc_simplify_mod, gfc_resolve_mod,
2425 a, BT_REAL, dr, REQUIRED, p, BT_REAL, dr, REQUIRED);
2426
2427 add_sym_2 ("dmod", GFC_ISYM_MOD, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2428 gfc_check_x_yd, gfc_simplify_mod, gfc_resolve_mod,
2429 a, BT_REAL, dd, REQUIRED, p, BT_REAL, dd, REQUIRED);
2430
2431 make_generic ("mod", GFC_ISYM_MOD, GFC_STD_F77);
2432
2433 add_sym_2 ("modulo", GFC_ISYM_MODULO, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, di, GFC_STD_F95,
2434 gfc_check_a_p, gfc_simplify_modulo, gfc_resolve_modulo,
2435 a, BT_REAL, di, REQUIRED, p, BT_REAL, di, REQUIRED);
2436
2437 make_generic ("modulo", GFC_ISYM_MODULO, GFC_STD_F95);
2438
2439 add_sym_2 ("nearest", GFC_ISYM_NEAREST, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2440 gfc_check_nearest, gfc_simplify_nearest, gfc_resolve_nearest,
2441 x, BT_REAL, dr, REQUIRED, s, BT_REAL, dr, REQUIRED);
2442
2443 make_generic ("nearest", GFC_ISYM_NEAREST, GFC_STD_F95);
2444
2445 add_sym_1 ("new_line", GFC_ISYM_NEW_LINE, CLASS_INQUIRY, ACTUAL_NO, BT_CHARACTER, dc,
2446 GFC_STD_F2003, gfc_check_new_line, gfc_simplify_new_line, NULL,
2447 a, BT_CHARACTER, dc, REQUIRED);
2448
2449 make_generic ("new_line", GFC_ISYM_NEW_LINE, GFC_STD_F2003);
2450
2451 add_sym_2 ("nint", GFC_ISYM_NINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2452 gfc_check_a_ikind, gfc_simplify_nint, gfc_resolve_nint,
2453 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2454
2455 add_sym_1 ("idnint", GFC_ISYM_NINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2456 gfc_check_idnint, gfc_simplify_idnint, gfc_resolve_idnint,
2457 a, BT_REAL, dd, REQUIRED);
2458
2459 make_generic ("nint", GFC_ISYM_NINT, GFC_STD_F77);
2460
2461 add_sym_1 ("not", GFC_ISYM_NOT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2462 gfc_check_i, gfc_simplify_not, gfc_resolve_not,
2463 i, BT_INTEGER, di, REQUIRED);
2464
2465 make_generic ("not", GFC_ISYM_NOT, GFC_STD_F95);
2466
2467 add_sym_2 ("norm2", GFC_ISYM_NORM2, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr,
2468 GFC_STD_F2008, gfc_check_norm2, gfc_simplify_norm2, gfc_resolve_norm2,
2469 x, BT_REAL, dr, REQUIRED,
2470 dm, BT_INTEGER, ii, OPTIONAL);
2471
2472 make_generic ("norm2", GFC_ISYM_NORM2, GFC_STD_F2008);
2473
2474 add_sym_1 ("null", GFC_ISYM_NULL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2475 gfc_check_null, gfc_simplify_null, NULL,
2476 mo, BT_INTEGER, di, OPTIONAL);
2477
2478 make_generic ("null", GFC_ISYM_NULL, GFC_STD_F95);
2479
2480 add_sym_2 ("num_images", GFC_ISYM_NUM_IMAGES, CLASS_INQUIRY, ACTUAL_NO,
2481 BT_INTEGER, di, GFC_STD_F2008,
2482 gfc_check_num_images, gfc_simplify_num_images, NULL,
2483 dist, BT_INTEGER, di, OPTIONAL,
2484 failed, BT_LOGICAL, dl, OPTIONAL);
2485
2486 add_sym_3 ("pack", GFC_ISYM_PACK, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2487 gfc_check_pack, gfc_simplify_pack, gfc_resolve_pack,
2488 ar, BT_REAL, dr, REQUIRED, msk, BT_LOGICAL, dl, REQUIRED,
2489 v, BT_REAL, dr, OPTIONAL);
2490
2491 make_generic ("pack", GFC_ISYM_PACK, GFC_STD_F95);
2492
2493
2494 add_sym_2 ("parity", GFC_ISYM_PARITY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_LOGICAL, dl,
2495 GFC_STD_F2008, gfc_check_parity, gfc_simplify_parity, gfc_resolve_parity,
2496 msk, BT_LOGICAL, dl, REQUIRED,
2497 dm, BT_INTEGER, ii, OPTIONAL);
2498
2499 make_generic ("parity", GFC_ISYM_PARITY, GFC_STD_F2008);
2500
2501 add_sym_1 ("popcnt", GFC_ISYM_POPCNT, CLASS_ELEMENTAL, ACTUAL_NO,
2502 BT_INTEGER, di, GFC_STD_F2008,
2503 gfc_check_i, gfc_simplify_popcnt, NULL,
2504 i, BT_INTEGER, di, REQUIRED);
2505
2506 make_generic ("popcnt", GFC_ISYM_POPCNT, GFC_STD_F2008);
2507
2508 add_sym_1 ("poppar", GFC_ISYM_POPPAR, CLASS_ELEMENTAL, ACTUAL_NO,
2509 BT_INTEGER, di, GFC_STD_F2008,
2510 gfc_check_i, gfc_simplify_poppar, NULL,
2511 i, BT_INTEGER, di, REQUIRED);
2512
2513 make_generic ("poppar", GFC_ISYM_POPPAR, GFC_STD_F2008);
2514
2515 add_sym_1 ("precision", GFC_ISYM_PRECISION, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2516 gfc_check_precision, gfc_simplify_precision, NULL,
2517 x, BT_UNKNOWN, 0, REQUIRED);
2518
2519 make_generic ("precision", GFC_ISYM_PRECISION, GFC_STD_F95);
2520
2521 add_sym_1_intent ("present", GFC_ISYM_PRESENT, CLASS_INQUIRY, ACTUAL_NO,
2522 BT_LOGICAL, dl, GFC_STD_F95, gfc_check_present, NULL, NULL,
2523 a, BT_REAL, dr, REQUIRED, INTENT_UNKNOWN);
2524
2525 make_generic ("present", GFC_ISYM_PRESENT, GFC_STD_F95);
2526
2527 add_sym_3red ("product", GFC_ISYM_PRODUCT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2528 gfc_check_product_sum, gfc_simplify_product, gfc_resolve_product,
2529 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2530 msk, BT_LOGICAL, dl, OPTIONAL);
2531
2532 make_generic ("product", GFC_ISYM_PRODUCT, GFC_STD_F95);
2533
2534 add_sym_1 ("radix", GFC_ISYM_RADIX, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2535 gfc_check_radix, gfc_simplify_radix, NULL,
2536 x, BT_UNKNOWN, 0, REQUIRED);
2537
2538 make_generic ("radix", GFC_ISYM_RADIX, GFC_STD_F95);
2539
2540 /* The following function is for G77 compatibility. */
2541 add_sym_1 ("rand", GFC_ISYM_RAND, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
2542 4, GFC_STD_GNU, gfc_check_rand, NULL, NULL,
2543 i, BT_INTEGER, 4, OPTIONAL);
2544
2545 /* Compatibility with HP FORTRAN 77/iX Reference. Note, rand() and ran()
2546 use slightly different shoddy multiplicative congruential PRNG. */
2547 make_alias ("ran", GFC_STD_GNU);
2548
2549 make_generic ("rand", GFC_ISYM_RAND, GFC_STD_GNU);
2550
2551 add_sym_1 ("range", GFC_ISYM_RANGE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2552 gfc_check_range, gfc_simplify_range, NULL,
2553 x, BT_REAL, dr, REQUIRED);
2554
2555 make_generic ("range", GFC_ISYM_RANGE, GFC_STD_F95);
2556
2557 add_sym_1 ("rank", GFC_ISYM_RANK, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di,
2558 GFC_STD_F2008_TS, gfc_check_rank, gfc_simplify_rank, gfc_resolve_rank,
2559 a, BT_REAL, dr, REQUIRED);
2560 make_generic ("rank", GFC_ISYM_RANK, GFC_STD_F2008_TS);
2561
2562 add_sym_2 ("real", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2563 gfc_check_real, gfc_simplify_real, gfc_resolve_real,
2564 a, BT_UNKNOWN, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2565
2566 /* This provides compatibility with g77. */
2567 add_sym_1 ("realpart", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
2568 gfc_check_fn_c, gfc_simplify_realpart, gfc_resolve_realpart,
2569 a, BT_UNKNOWN, dr, REQUIRED);
2570
2571 add_sym_1 ("float", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2572 gfc_check_float, gfc_simplify_float, NULL,
2573 a, BT_INTEGER, di, REQUIRED);
2574
2575 add_sym_1 ("dfloat", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
2576 gfc_check_float, gfc_simplify_dble, gfc_resolve_dble,
2577 a, BT_REAL, dr, REQUIRED);
2578
2579 add_sym_1 ("sngl", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2580 gfc_check_sngl, gfc_simplify_sngl, NULL,
2581 a, BT_REAL, dd, REQUIRED);
2582
2583 make_generic ("real", GFC_ISYM_REAL, GFC_STD_F77);
2584
2585 add_sym_2 ("rename", GFC_ISYM_RENAME, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2586 GFC_STD_GNU, gfc_check_rename, NULL, gfc_resolve_rename,
2587 p1, BT_CHARACTER, dc, REQUIRED, p2, BT_CHARACTER, dc, REQUIRED);
2588
2589 make_generic ("rename", GFC_ISYM_RENAME, GFC_STD_GNU);
2590
2591 add_sym_2 ("repeat", GFC_ISYM_REPEAT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F95,
2592 gfc_check_repeat, gfc_simplify_repeat, gfc_resolve_repeat,
2593 stg, BT_CHARACTER, dc, REQUIRED, ncopies, BT_INTEGER, di, REQUIRED);
2594
2595 make_generic ("repeat", GFC_ISYM_REPEAT, GFC_STD_F95);
2596
2597 add_sym_4 ("reshape", GFC_ISYM_RESHAPE, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2598 gfc_check_reshape, gfc_simplify_reshape, gfc_resolve_reshape,
2599 src, BT_REAL, dr, REQUIRED, shp, BT_INTEGER, ii, REQUIRED,
2600 pad, BT_REAL, dr, OPTIONAL, ord, BT_INTEGER, ii, OPTIONAL);
2601
2602 make_generic ("reshape", GFC_ISYM_RESHAPE, GFC_STD_F95);
2603
2604 add_sym_1 ("rrspacing", GFC_ISYM_RRSPACING, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2605 gfc_check_x, gfc_simplify_rrspacing, gfc_resolve_rrspacing,
2606 x, BT_REAL, dr, REQUIRED);
2607
2608 make_generic ("rrspacing", GFC_ISYM_RRSPACING, GFC_STD_F95);
2609
2610 add_sym_2 ("same_type_as", GFC_ISYM_SAME_TYPE_AS, CLASS_INQUIRY, ACTUAL_NO,
2611 BT_LOGICAL, dl, GFC_STD_F2003,
2612 gfc_check_same_type_as, gfc_simplify_same_type_as, NULL,
2613 a, BT_UNKNOWN, 0, REQUIRED,
2614 b, BT_UNKNOWN, 0, REQUIRED);
2615
2616 add_sym_2 ("scale", GFC_ISYM_SCALE, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2617 gfc_check_scale, gfc_simplify_scale, gfc_resolve_scale,
2618 x, BT_REAL, dr, REQUIRED, i, BT_INTEGER, di, REQUIRED);
2619
2620 make_generic ("scale", GFC_ISYM_SCALE, GFC_STD_F95);
2621
2622 add_sym_4 ("scan", GFC_ISYM_SCAN, CLASS_ELEMENTAL, ACTUAL_NO,
2623 BT_INTEGER, di, GFC_STD_F95,
2624 gfc_check_scan, gfc_simplify_scan, gfc_resolve_scan,
2625 stg, BT_CHARACTER, dc, REQUIRED, set, BT_CHARACTER, dc, REQUIRED,
2626 bck, BT_LOGICAL, dl, OPTIONAL, kind, BT_INTEGER, di, OPTIONAL);
2627
2628 make_generic ("scan", GFC_ISYM_SCAN, GFC_STD_F95);
2629
2630 /* Added for G77 compatibility garbage. */
2631 add_sym_0 ("second", GFC_ISYM_SECOND, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
2632 4, GFC_STD_GNU, NULL, NULL, NULL);
2633
2634 make_generic ("second", GFC_ISYM_SECOND, GFC_STD_GNU);
2635
2636 /* Added for G77 compatibility. */
2637 add_sym_1 ("secnds", GFC_ISYM_SECNDS, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
2638 dr, GFC_STD_GNU, gfc_check_secnds, NULL, gfc_resolve_secnds,
2639 x, BT_REAL, dr, REQUIRED);
2640
2641 make_generic ("secnds", GFC_ISYM_SECNDS, GFC_STD_GNU);
2642
2643 add_sym_1 ("selected_char_kind", GFC_ISYM_SC_KIND, CLASS_TRANSFORMATIONAL,
2644 ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2003,
2645 gfc_check_selected_char_kind, gfc_simplify_selected_char_kind,
2646 NULL, nm, BT_CHARACTER, dc, REQUIRED);
2647
2648 make_generic ("selected_char_kind", GFC_ISYM_SC_KIND, GFC_STD_F2003);
2649
2650 add_sym_1 ("selected_int_kind", GFC_ISYM_SI_KIND, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di,
2651 GFC_STD_F95, gfc_check_selected_int_kind,
2652 gfc_simplify_selected_int_kind, NULL, r, BT_INTEGER, di, REQUIRED);
2653
2654 make_generic ("selected_int_kind", GFC_ISYM_SI_KIND, GFC_STD_F95);
2655
2656 add_sym_3 ("selected_real_kind", GFC_ISYM_SR_KIND, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di,
2657 GFC_STD_F95, gfc_check_selected_real_kind,
2658 gfc_simplify_selected_real_kind, NULL,
2659 p, BT_INTEGER, di, OPTIONAL, r, BT_INTEGER, di, OPTIONAL,
2660 "radix", BT_INTEGER, di, OPTIONAL);
2661
2662 make_generic ("selected_real_kind", GFC_ISYM_SR_KIND, GFC_STD_F95);
2663
2664 add_sym_2 ("set_exponent", GFC_ISYM_SET_EXPONENT, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2665 gfc_check_set_exponent, gfc_simplify_set_exponent,
2666 gfc_resolve_set_exponent,
2667 x, BT_REAL, dr, REQUIRED, i, BT_INTEGER, di, REQUIRED);
2668
2669 make_generic ("set_exponent", GFC_ISYM_SET_EXPONENT, GFC_STD_F95);
2670
2671 add_sym_2 ("shape", GFC_ISYM_SHAPE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2672 gfc_check_shape, gfc_simplify_shape, gfc_resolve_shape,
2673 src, BT_REAL, dr, REQUIRED,
2674 kind, BT_INTEGER, di, OPTIONAL);
2675
2676 make_generic ("shape", GFC_ISYM_SHAPE, GFC_STD_F95);
2677
2678 add_sym_2 ("shifta", GFC_ISYM_SHIFTA, CLASS_ELEMENTAL, ACTUAL_NO,
2679 BT_INTEGER, di, GFC_STD_F2008,
2680 gfc_check_shift, gfc_simplify_shifta, gfc_resolve_shift,
2681 i, BT_INTEGER, di, REQUIRED,
2682 sh, BT_INTEGER, di, REQUIRED);
2683
2684 make_generic ("shifta", GFC_ISYM_SHIFTA, GFC_STD_F2008);
2685
2686 add_sym_2 ("shiftl", GFC_ISYM_SHIFTL, CLASS_ELEMENTAL, ACTUAL_NO,
2687 BT_INTEGER, di, GFC_STD_F2008,
2688 gfc_check_shift, gfc_simplify_shiftl, gfc_resolve_shift,
2689 i, BT_INTEGER, di, REQUIRED,
2690 sh, BT_INTEGER, di, REQUIRED);
2691
2692 make_generic ("shiftl", GFC_ISYM_SHIFTL, GFC_STD_F2008);
2693
2694 add_sym_2 ("shiftr", GFC_ISYM_SHIFTR, CLASS_ELEMENTAL, ACTUAL_NO,
2695 BT_INTEGER, di, GFC_STD_F2008,
2696 gfc_check_shift, gfc_simplify_shiftr, gfc_resolve_shift,
2697 i, BT_INTEGER, di, REQUIRED,
2698 sh, BT_INTEGER, di, REQUIRED);
2699
2700 make_generic ("shiftr", GFC_ISYM_SHIFTR, GFC_STD_F2008);
2701
2702 add_sym_2 ("sign", GFC_ISYM_SIGN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2703 gfc_check_sign, gfc_simplify_sign, gfc_resolve_sign,
2704 a, BT_REAL, dr, REQUIRED, b, BT_REAL, dr, REQUIRED);
2705
2706 add_sym_2 ("isign", GFC_ISYM_SIGN, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2707 NULL, gfc_simplify_sign, gfc_resolve_sign,
2708 a, BT_INTEGER, di, REQUIRED, b, BT_INTEGER, di, REQUIRED);
2709
2710 add_sym_2 ("dsign", GFC_ISYM_SIGN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2711 gfc_check_x_yd, gfc_simplify_sign, gfc_resolve_sign,
2712 a, BT_REAL, dd, REQUIRED, b, BT_REAL, dd, REQUIRED);
2713
2714 make_generic ("sign", GFC_ISYM_SIGN, GFC_STD_F77);
2715
2716 add_sym_2 ("signal", GFC_ISYM_SIGNAL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2717 di, GFC_STD_GNU, gfc_check_signal, NULL, gfc_resolve_signal,
2718 num, BT_INTEGER, di, REQUIRED, han, BT_VOID, 0, REQUIRED);
2719
2720 make_generic ("signal", GFC_ISYM_SIGNAL, GFC_STD_GNU);
2721
2722 add_sym_1 ("sin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2723 gfc_check_fn_rc, gfc_simplify_sin, gfc_resolve_sin,
2724 x, BT_REAL, dr, REQUIRED);
2725
2726 add_sym_1 ("dsin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2727 gfc_check_fn_d, gfc_simplify_sin, gfc_resolve_sin,
2728 x, BT_REAL, dd, REQUIRED);
2729
2730 add_sym_1 ("csin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
2731 NULL, gfc_simplify_sin, gfc_resolve_sin,
2732 x, BT_COMPLEX, dz, REQUIRED);
2733
2734 add_sym_1 ("zsin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
2735 NULL, gfc_simplify_sin, gfc_resolve_sin,
2736 x, BT_COMPLEX, dd, REQUIRED);
2737
2738 make_alias ("cdsin", GFC_STD_GNU);
2739
2740 make_generic ("sin", GFC_ISYM_SIN, GFC_STD_F77);
2741
2742 add_sym_1 ("sinh", GFC_ISYM_SINH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2743 gfc_check_fn_rc2008, gfc_simplify_sinh, gfc_resolve_sinh,
2744 x, BT_REAL, dr, REQUIRED);
2745
2746 add_sym_1 ("dsinh", GFC_ISYM_SINH,CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2747 gfc_check_fn_d, gfc_simplify_sinh, gfc_resolve_sinh,
2748 x, BT_REAL, dd, REQUIRED);
2749
2750 make_generic ("sinh", GFC_ISYM_SINH, GFC_STD_F77);
2751
2752 add_sym_3 ("size", GFC_ISYM_SIZE, CLASS_INQUIRY, ACTUAL_NO,
2753 BT_INTEGER, di, GFC_STD_F95,
2754 gfc_check_size, gfc_simplify_size, gfc_resolve_size,
2755 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2756 kind, BT_INTEGER, di, OPTIONAL);
2757
2758 make_generic ("size", GFC_ISYM_SIZE, GFC_STD_F95);
2759
2760 /* Obtain the stride for a given dimensions; to be used only internally.
2761 "make_from_module" makes it inaccessible for external users. */
2762 add_sym_2 (GFC_PREFIX ("stride"), GFC_ISYM_STRIDE, CLASS_INQUIRY, ACTUAL_NO,
2763 BT_INTEGER, gfc_index_integer_kind, GFC_STD_GNU,
2764 NULL, NULL, gfc_resolve_stride,
2765 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL);
2766 make_from_module();
2767
2768 add_sym_1 ("sizeof", GFC_ISYM_SIZEOF, CLASS_INQUIRY, ACTUAL_NO,
2769 BT_INTEGER, ii, GFC_STD_GNU,
2770 gfc_check_sizeof, gfc_simplify_sizeof, NULL,
2771 x, BT_UNKNOWN, 0, REQUIRED);
2772
2773 make_generic ("sizeof", GFC_ISYM_SIZEOF, GFC_STD_GNU);
2774
2775 /* The following functions are part of ISO_C_BINDING. */
2776 add_sym_2 ("c_associated", GFC_ISYM_C_ASSOCIATED, CLASS_INQUIRY, ACTUAL_NO,
2777 BT_LOGICAL, dl, GFC_STD_F2003, gfc_check_c_associated, NULL, NULL,
2778 "C_PTR_1", BT_VOID, 0, REQUIRED,
2779 "C_PTR_2", BT_VOID, 0, OPTIONAL);
2780 make_from_module();
2781
2782 add_sym_1 ("c_loc", GFC_ISYM_C_LOC, CLASS_INQUIRY, ACTUAL_NO,
2783 BT_VOID, 0, GFC_STD_F2003,
2784 gfc_check_c_loc, NULL, gfc_resolve_c_loc,
2785 x, BT_UNKNOWN, 0, REQUIRED);
2786 make_from_module();
2787
2788 add_sym_1 ("c_funloc", GFC_ISYM_C_FUNLOC, CLASS_INQUIRY, ACTUAL_NO,
2789 BT_VOID, 0, GFC_STD_F2003,
2790 gfc_check_c_funloc, NULL, gfc_resolve_c_funloc,
2791 x, BT_UNKNOWN, 0, REQUIRED);
2792 make_from_module();
2793
2794 add_sym_1 ("c_sizeof", GFC_ISYM_C_SIZEOF, CLASS_INQUIRY, ACTUAL_NO,
2795 BT_INTEGER, gfc_index_integer_kind, GFC_STD_F2008,
2796 gfc_check_c_sizeof, gfc_simplify_sizeof, NULL,
2797 x, BT_UNKNOWN, 0, REQUIRED);
2798 make_from_module();
2799
2800 /* COMPILER_OPTIONS and COMPILER_VERSION are part of ISO_FORTRAN_ENV. */
2801 add_sym_0 ("compiler_options", GFC_ISYM_COMPILER_OPTIONS, CLASS_INQUIRY,
2802 ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F2008,
2803 NULL, gfc_simplify_compiler_options, NULL);
2804 make_from_module();
2805
2806 add_sym_0 ("compiler_version", GFC_ISYM_COMPILER_VERSION, CLASS_INQUIRY,
2807 ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F2008,
2808 NULL, gfc_simplify_compiler_version, NULL);
2809 make_from_module();
2810
2811 add_sym_1 ("spacing", GFC_ISYM_SPACING, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2812 gfc_check_x, gfc_simplify_spacing, gfc_resolve_spacing,
2813 x, BT_REAL, dr, REQUIRED);
2814
2815 make_generic ("spacing", GFC_ISYM_SPACING, GFC_STD_F95);
2816
2817 add_sym_3 ("spread", GFC_ISYM_SPREAD, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2818 gfc_check_spread, gfc_simplify_spread, gfc_resolve_spread,
2819 src, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, REQUIRED,
2820 ncopies, BT_INTEGER, di, REQUIRED);
2821
2822 make_generic ("spread", GFC_ISYM_SPREAD, GFC_STD_F95);
2823
2824 add_sym_1 ("sqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2825 gfc_check_fn_rc, gfc_simplify_sqrt, gfc_resolve_sqrt,
2826 x, BT_REAL, dr, REQUIRED);
2827
2828 add_sym_1 ("dsqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2829 gfc_check_fn_d, gfc_simplify_sqrt, gfc_resolve_sqrt,
2830 x, BT_REAL, dd, REQUIRED);
2831
2832 add_sym_1 ("csqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
2833 NULL, gfc_simplify_sqrt, gfc_resolve_sqrt,
2834 x, BT_COMPLEX, dz, REQUIRED);
2835
2836 add_sym_1 ("zsqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
2837 NULL, gfc_simplify_sqrt, gfc_resolve_sqrt,
2838 x, BT_COMPLEX, dd, REQUIRED);
2839
2840 make_alias ("cdsqrt", GFC_STD_GNU);
2841
2842 make_generic ("sqrt", GFC_ISYM_SQRT, GFC_STD_F77);
2843
2844 add_sym_2_intent ("stat", GFC_ISYM_STAT, CLASS_IMPURE, ACTUAL_NO,
2845 BT_INTEGER, di, GFC_STD_GNU,
2846 gfc_check_stat, NULL, gfc_resolve_stat,
2847 nm, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
2848 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
2849
2850 make_generic ("stat", GFC_ISYM_STAT, GFC_STD_GNU);
2851
2852 add_sym_2 ("storage_size", GFC_ISYM_STORAGE_SIZE, CLASS_INQUIRY, ACTUAL_NO,
2853 BT_INTEGER, di, GFC_STD_F2008,
2854 gfc_check_storage_size, gfc_simplify_storage_size,
2855 gfc_resolve_storage_size,
2856 a, BT_UNKNOWN, 0, REQUIRED,
2857 kind, BT_INTEGER, di, OPTIONAL);
2858
2859 add_sym_3red ("sum", GFC_ISYM_SUM, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2860 gfc_check_product_sum, gfc_simplify_sum, gfc_resolve_sum,
2861 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2862 msk, BT_LOGICAL, dl, OPTIONAL);
2863
2864 make_generic ("sum", GFC_ISYM_SUM, GFC_STD_F95);
2865
2866 add_sym_2 ("symlnk", GFC_ISYM_SYMLNK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2867 GFC_STD_GNU, gfc_check_symlnk, NULL, gfc_resolve_symlnk,
2868 p1, BT_CHARACTER, dc, REQUIRED, p2, BT_CHARACTER, dc, REQUIRED);
2869
2870 make_generic ("symlnk", GFC_ISYM_SYMLNK, GFC_STD_GNU);
2871
2872 add_sym_1 ("system", GFC_ISYM_SYSTEM, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2873 GFC_STD_GNU, NULL, NULL, NULL,
2874 com, BT_CHARACTER, dc, REQUIRED);
2875
2876 make_generic ("system", GFC_ISYM_SYSTEM, GFC_STD_GNU);
2877
2878 add_sym_1 ("tan", GFC_ISYM_TAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2879 gfc_check_fn_rc2008, gfc_simplify_tan, gfc_resolve_tan,
2880 x, BT_REAL, dr, REQUIRED);
2881
2882 add_sym_1 ("dtan", GFC_ISYM_TAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2883 gfc_check_fn_d, gfc_simplify_tan, gfc_resolve_tan,
2884 x, BT_REAL, dd, REQUIRED);
2885
2886 make_generic ("tan", GFC_ISYM_TAN, GFC_STD_F77);
2887
2888 add_sym_1 ("tanh", GFC_ISYM_TANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2889 gfc_check_fn_rc2008, gfc_simplify_tanh, gfc_resolve_tanh,
2890 x, BT_REAL, dr, REQUIRED);
2891
2892 add_sym_1 ("dtanh", GFC_ISYM_TANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2893 gfc_check_fn_d, gfc_simplify_tanh, gfc_resolve_tanh,
2894 x, BT_REAL, dd, REQUIRED);
2895
2896 make_generic ("tanh", GFC_ISYM_TANH, GFC_STD_F77);
2897
2898 add_sym_3 ("this_image", GFC_ISYM_THIS_IMAGE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2008,
2899 gfc_check_this_image, gfc_simplify_this_image, gfc_resolve_this_image,
2900 ca, BT_REAL, dr, OPTIONAL, dm, BT_INTEGER, ii, OPTIONAL,
2901 dist, BT_INTEGER, di, OPTIONAL);
2902
2903 add_sym_0 ("time", GFC_ISYM_TIME, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2904 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_time);
2905
2906 make_generic ("time", GFC_ISYM_TIME, GFC_STD_GNU);
2907
2908 add_sym_0 ("time8", GFC_ISYM_TIME8, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2909 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_time8);
2910
2911 make_generic ("time8", GFC_ISYM_TIME8, GFC_STD_GNU);
2912
2913 add_sym_1 ("tiny", GFC_ISYM_TINY, CLASS_INQUIRY, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2914 gfc_check_x, gfc_simplify_tiny, NULL,
2915 x, BT_REAL, dr, REQUIRED);
2916
2917 make_generic ("tiny", GFC_ISYM_TINY, GFC_STD_F95);
2918
2919 add_sym_1 ("trailz", GFC_ISYM_TRAILZ, CLASS_ELEMENTAL, ACTUAL_NO,
2920 BT_INTEGER, di, GFC_STD_F2008,
2921 gfc_check_i, gfc_simplify_trailz, NULL,
2922 i, BT_INTEGER, di, REQUIRED);
2923
2924 make_generic ("trailz", GFC_ISYM_TRAILZ, GFC_STD_F2008);
2925
2926 add_sym_3 ("transfer", GFC_ISYM_TRANSFER, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2927 gfc_check_transfer, gfc_simplify_transfer, gfc_resolve_transfer,
2928 src, BT_REAL, dr, REQUIRED, mo, BT_REAL, dr, REQUIRED,
2929 sz, BT_INTEGER, di, OPTIONAL);
2930
2931 make_generic ("transfer", GFC_ISYM_TRANSFER, GFC_STD_F95);
2932
2933 add_sym_1 ("transpose", GFC_ISYM_TRANSPOSE, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2934 gfc_check_transpose, gfc_simplify_transpose, gfc_resolve_transpose,
2935 m, BT_REAL, dr, REQUIRED);
2936
2937 make_generic ("transpose", GFC_ISYM_TRANSPOSE, GFC_STD_F95);
2938
2939 add_sym_1 ("trim", GFC_ISYM_TRIM, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F95,
2940 gfc_check_trim, gfc_simplify_trim, gfc_resolve_trim,
2941 stg, BT_CHARACTER, dc, REQUIRED);
2942
2943 make_generic ("trim", GFC_ISYM_TRIM, GFC_STD_F95);
2944
2945 add_sym_1 ("ttynam", GFC_ISYM_TTYNAM, CLASS_IMPURE, ACTUAL_NO, BT_CHARACTER,
2946 0, GFC_STD_GNU, gfc_check_ttynam, NULL, gfc_resolve_ttynam,
2947 ut, BT_INTEGER, di, REQUIRED);
2948
2949 make_generic ("ttynam", GFC_ISYM_TTYNAM, GFC_STD_GNU);
2950
2951 add_sym_3 ("ubound", GFC_ISYM_UBOUND, CLASS_INQUIRY, ACTUAL_NO,
2952 BT_INTEGER, di, GFC_STD_F95,
2953 gfc_check_ubound, gfc_simplify_ubound, gfc_resolve_ubound,
2954 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2955 kind, BT_INTEGER, di, OPTIONAL);
2956
2957 make_generic ("ubound", GFC_ISYM_UBOUND, GFC_STD_F95);
2958
2959 add_sym_3 ("ucobound", GFC_ISYM_UCOBOUND, CLASS_INQUIRY, ACTUAL_NO,
2960 BT_INTEGER, di, GFC_STD_F2008,
2961 gfc_check_ucobound, gfc_simplify_ucobound, gfc_resolve_ucobound,
2962 ca, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2963 kind, BT_INTEGER, di, OPTIONAL);
2964
2965 make_generic ("ucobound", GFC_ISYM_UCOBOUND, GFC_STD_F2008);
2966
2967 /* g77 compatibility for UMASK. */
2968 add_sym_1 ("umask", GFC_ISYM_UMASK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2969 GFC_STD_GNU, gfc_check_umask, NULL, gfc_resolve_umask,
2970 msk, BT_INTEGER, di, REQUIRED);
2971
2972 make_generic ("umask", GFC_ISYM_UMASK, GFC_STD_GNU);
2973
2974 /* g77 compatibility for UNLINK. */
2975 add_sym_1 ("unlink", GFC_ISYM_UNLINK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2976 di, GFC_STD_GNU, gfc_check_unlink, NULL, gfc_resolve_unlink,
2977 "path", BT_CHARACTER, dc, REQUIRED);
2978
2979 make_generic ("unlink", GFC_ISYM_UNLINK, GFC_STD_GNU);
2980
2981 add_sym_3 ("unpack", GFC_ISYM_UNPACK, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2982 gfc_check_unpack, gfc_simplify_unpack, gfc_resolve_unpack,
2983 v, BT_REAL, dr, REQUIRED, msk, BT_LOGICAL, dl, REQUIRED,
2984 f, BT_REAL, dr, REQUIRED);
2985
2986 make_generic ("unpack", GFC_ISYM_UNPACK, GFC_STD_F95);
2987
2988 add_sym_4 ("verify", GFC_ISYM_VERIFY, CLASS_ELEMENTAL, ACTUAL_NO,
2989 BT_INTEGER, di, GFC_STD_F95,
2990 gfc_check_verify, gfc_simplify_verify, gfc_resolve_verify,
2991 stg, BT_CHARACTER, dc, REQUIRED, set, BT_CHARACTER, dc, REQUIRED,
2992 bck, BT_LOGICAL, dl, OPTIONAL, kind, BT_INTEGER, di, OPTIONAL);
2993
2994 make_generic ("verify", GFC_ISYM_VERIFY, GFC_STD_F95);
2995
2996 add_sym_1 ("loc", GFC_ISYM_LOC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, ii,
2997 GFC_STD_GNU, gfc_check_loc, NULL, gfc_resolve_loc,
2998 x, BT_UNKNOWN, 0, REQUIRED);
2999
3000 make_generic ("loc", GFC_ISYM_LOC, GFC_STD_GNU);
3001
3002 /* The following function is internally used for coarray libray functions.
3003 "make_from_module" makes it inaccessible for external users. */
3004 add_sym_1 (GFC_PREFIX ("caf_get"), GFC_ISYM_CAF_GET, CLASS_IMPURE, ACTUAL_NO,
3005 BT_REAL, dr, GFC_STD_GNU, NULL, NULL, NULL,
3006 x, BT_REAL, dr, REQUIRED);
3007 make_from_module();
3008 }
3009
3010
3011 /* Add intrinsic subroutines. */
3012
3013 static void
3014 add_subroutines (void)
3015 {
3016 /* Argument names as in the standard (to be used as argument keywords). */
3017 const char
3018 *a = "a", *h = "harvest", *dt = "date", *vl = "values", *pt = "put",
3019 *c = "count", *tm = "time", *tp = "topos", *gt = "get",
3020 *t = "to", *zn = "zone", *fp = "frompos", *cm = "count_max",
3021 *f = "from", *sz = "size", *ln = "len", *cr = "count_rate",
3022 *com = "command", *length = "length", *st = "status",
3023 *val = "value", *num = "number", *name = "name",
3024 *trim_name = "trim_name", *ut = "unit", *han = "handler",
3025 *sec = "seconds", *res = "result", *of = "offset", *md = "mode",
3026 *whence = "whence", *pos = "pos", *ptr = "ptr", *p1 = "path1",
3027 *p2 = "path2", *msk = "mask", *old = "old", *result_image = "result_image",
3028 *stat = "stat", *errmsg = "errmsg";
3029
3030 int di, dr, dc, dl, ii;
3031
3032 di = gfc_default_integer_kind;
3033 dr = gfc_default_real_kind;
3034 dc = gfc_default_character_kind;
3035 dl = gfc_default_logical_kind;
3036 ii = gfc_index_integer_kind;
3037
3038 add_sym_0s ("abort", GFC_ISYM_ABORT, GFC_STD_GNU, NULL);
3039
3040 make_noreturn();
3041
3042 add_sym_3s ("atomic_define", GFC_ISYM_ATOMIC_DEF, CLASS_ATOMIC,
3043 BT_UNKNOWN, 0, GFC_STD_F2008,
3044 gfc_check_atomic_def, NULL, gfc_resolve_atomic_def,
3045 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3046 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3047 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3048
3049 add_sym_3s ("atomic_ref", GFC_ISYM_ATOMIC_REF, CLASS_ATOMIC,
3050 BT_UNKNOWN, 0, GFC_STD_F2008,
3051 gfc_check_atomic_ref, NULL, gfc_resolve_atomic_ref,
3052 "value", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3053 "atom", BT_INTEGER, di, REQUIRED, INTENT_IN,
3054 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3055
3056 add_sym_5s ("atomic_cas", GFC_ISYM_ATOMIC_CAS, CLASS_ATOMIC,
3057 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3058 gfc_check_atomic_cas, NULL, NULL,
3059 "atom", BT_INTEGER, di, REQUIRED, INTENT_INOUT,
3060 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3061 "compare", BT_INTEGER, di, REQUIRED, INTENT_IN,
3062 "new", BT_INTEGER, di, REQUIRED, INTENT_IN,
3063 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3064
3065 add_sym_3s ("atomic_add", GFC_ISYM_ATOMIC_ADD, CLASS_ATOMIC,
3066 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3067 gfc_check_atomic_op, NULL, NULL,
3068 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3069 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3070 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3071
3072 add_sym_3s ("atomic_and", GFC_ISYM_ATOMIC_AND, CLASS_ATOMIC,
3073 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3074 gfc_check_atomic_op, NULL, NULL,
3075 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3076 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3077 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3078
3079 add_sym_3s ("atomic_or", GFC_ISYM_ATOMIC_OR, CLASS_ATOMIC,
3080 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3081 gfc_check_atomic_op, NULL, NULL,
3082 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3083 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3084 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3085
3086 add_sym_3s ("atomic_xor", GFC_ISYM_ATOMIC_XOR, CLASS_ATOMIC,
3087 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3088 gfc_check_atomic_op, NULL, NULL,
3089 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3090 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3091 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3092
3093 add_sym_4s ("atomic_fetch_add", GFC_ISYM_ATOMIC_FETCH_ADD, CLASS_ATOMIC,
3094 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3095 gfc_check_atomic_fetch_op, NULL, NULL,
3096 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3097 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3098 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3099 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3100
3101 add_sym_4s ("atomic_fetch_and", GFC_ISYM_ATOMIC_FETCH_AND, CLASS_ATOMIC,
3102 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3103 gfc_check_atomic_fetch_op, NULL, NULL,
3104 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3105 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3106 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3107 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3108
3109 add_sym_4s ("atomic_fetch_or", GFC_ISYM_ATOMIC_FETCH_OR, CLASS_ATOMIC,
3110 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3111 gfc_check_atomic_fetch_op, NULL, NULL,
3112 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3113 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3114 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3115 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3116
3117 add_sym_4s ("atomic_fetch_xor", GFC_ISYM_ATOMIC_FETCH_XOR, CLASS_ATOMIC,
3118 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3119 gfc_check_atomic_fetch_op, NULL, NULL,
3120 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3121 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3122 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3123 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3124
3125 add_sym_0s ("backtrace", GFC_ISYM_BACKTRACE, GFC_STD_GNU, NULL);
3126
3127 add_sym_1s ("cpu_time", GFC_ISYM_CPU_TIME, CLASS_IMPURE, BT_UNKNOWN, 0,
3128 GFC_STD_F95, gfc_check_cpu_time, NULL, gfc_resolve_cpu_time,
3129 tm, BT_REAL, dr, REQUIRED, INTENT_OUT);
3130
3131 /* More G77 compatibility garbage. */
3132 add_sym_2s ("ctime", GFC_ISYM_CTIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3133 gfc_check_ctime_sub, NULL, gfc_resolve_ctime_sub,
3134 tm, BT_INTEGER, di, REQUIRED, INTENT_IN,
3135 res, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3136
3137 add_sym_1s ("idate", GFC_ISYM_IDATE, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3138 gfc_check_itime_idate, NULL, gfc_resolve_idate,
3139 vl, BT_INTEGER, 4, REQUIRED, INTENT_OUT);
3140
3141 add_sym_1s ("itime", GFC_ISYM_ITIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3142 gfc_check_itime_idate, NULL, gfc_resolve_itime,
3143 vl, BT_INTEGER, 4, REQUIRED, INTENT_OUT);
3144
3145 add_sym_2s ("ltime", GFC_ISYM_LTIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3146 gfc_check_ltime_gmtime, NULL, gfc_resolve_ltime,
3147 tm, BT_INTEGER, di, REQUIRED, INTENT_IN,
3148 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
3149
3150 add_sym_2s ("gmtime", GFC_ISYM_GMTIME, CLASS_IMPURE, BT_UNKNOWN, 0,
3151 GFC_STD_GNU, gfc_check_ltime_gmtime, NULL, gfc_resolve_gmtime,
3152 tm, BT_INTEGER, di, REQUIRED, INTENT_IN,
3153 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
3154
3155 add_sym_1s ("second", GFC_ISYM_SECOND, CLASS_IMPURE, BT_UNKNOWN, 0,
3156 GFC_STD_GNU, gfc_check_second_sub, NULL, gfc_resolve_second_sub,
3157 tm, BT_REAL, dr, REQUIRED, INTENT_OUT);
3158
3159 add_sym_2s ("chdir", GFC_ISYM_CHDIR, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3160 gfc_check_chdir_sub, NULL, gfc_resolve_chdir_sub,
3161 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3162 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3163
3164 add_sym_3s ("chmod", GFC_ISYM_CHMOD, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3165 gfc_check_chmod_sub, NULL, gfc_resolve_chmod_sub,
3166 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3167 md, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3168 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3169
3170 add_sym_4s ("date_and_time", GFC_ISYM_DATE_AND_TIME, CLASS_IMPURE, BT_UNKNOWN,
3171 0, GFC_STD_F95, gfc_check_date_and_time, NULL, NULL,
3172 dt, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3173 tm, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3174 zn, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3175 vl, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3176
3177 /* More G77 compatibility garbage. */
3178 add_sym_2s ("etime", GFC_ISYM_ETIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3179 gfc_check_dtime_etime_sub, NULL, gfc_resolve_etime_sub,
3180 vl, BT_REAL, 4, REQUIRED, INTENT_OUT,
3181 tm, BT_REAL, 4, REQUIRED, INTENT_OUT);
3182
3183 add_sym_2s ("dtime", GFC_ISYM_DTIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3184 gfc_check_dtime_etime_sub, NULL, gfc_resolve_dtime_sub,
3185 vl, BT_REAL, 4, REQUIRED, INTENT_OUT,
3186 tm, BT_REAL, 4, REQUIRED, INTENT_OUT);
3187
3188 add_sym_5s ("execute_command_line", GFC_ISYM_EXECUTE_COMMAND_LINE,
3189 CLASS_IMPURE , BT_UNKNOWN, 0, GFC_STD_F2008,
3190 NULL, NULL, gfc_resolve_execute_command_line,
3191 "command", BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3192 "wait", BT_LOGICAL, dl, OPTIONAL, INTENT_IN,
3193 "exitstat", BT_INTEGER, di, OPTIONAL, INTENT_INOUT,
3194 "cmdstat", BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3195 "cmdmsg", BT_CHARACTER, dc, OPTIONAL, INTENT_INOUT);
3196
3197 add_sym_1s ("fdate", GFC_ISYM_FDATE, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3198 gfc_check_fdate_sub, NULL, gfc_resolve_fdate_sub,
3199 dt, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3200
3201 add_sym_1s ("gerror", GFC_ISYM_GERROR, CLASS_IMPURE, BT_UNKNOWN,
3202 0, GFC_STD_GNU, gfc_check_gerror, NULL, gfc_resolve_gerror,
3203 res, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3204
3205 add_sym_2s ("getcwd", GFC_ISYM_GETCWD, CLASS_IMPURE, BT_UNKNOWN, 0,
3206 GFC_STD_GNU, gfc_check_getcwd_sub, NULL, gfc_resolve_getcwd_sub,
3207 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3208 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3209
3210 add_sym_2s ("getenv", GFC_ISYM_GETENV, CLASS_IMPURE, BT_UNKNOWN,
3211 0, GFC_STD_GNU, NULL, NULL, NULL,
3212 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3213 val, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3214
3215 add_sym_2s ("getarg", GFC_ISYM_GETARG, CLASS_IMPURE, BT_UNKNOWN,
3216 0, GFC_STD_GNU, gfc_check_getarg, NULL, gfc_resolve_getarg,
3217 pos, BT_INTEGER, di, REQUIRED, INTENT_IN,
3218 val, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3219
3220 add_sym_1s ("getlog", GFC_ISYM_GETLOG, CLASS_IMPURE, BT_UNKNOWN,
3221 0, GFC_STD_GNU, gfc_check_getlog, NULL, gfc_resolve_getlog,
3222 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3223
3224 /* F2003 commandline routines. */
3225
3226 add_sym_3s ("get_command", GFC_ISYM_GET_COMMAND, CLASS_IMPURE,
3227 BT_UNKNOWN, 0, GFC_STD_F2003,
3228 NULL, NULL, gfc_resolve_get_command,
3229 com, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3230 length, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3231 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3232
3233 add_sym_4s ("get_command_argument", GFC_ISYM_GET_COMMAND_ARGUMENT,
3234 CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_F2003, NULL, NULL,
3235 gfc_resolve_get_command_argument,
3236 num, BT_INTEGER, di, REQUIRED, INTENT_IN,
3237 val, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3238 length, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3239 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3240
3241 /* F2003 subroutine to get environment variables. */
3242
3243 add_sym_5s ("get_environment_variable", GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
3244 CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_F2003,
3245 NULL, NULL, gfc_resolve_get_environment_variable,
3246 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3247 val, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3248 length, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3249 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3250 trim_name, BT_LOGICAL, dl, OPTIONAL, INTENT_IN);
3251
3252 add_sym_2s ("move_alloc", GFC_ISYM_MOVE_ALLOC, CLASS_PURE, BT_UNKNOWN, 0,
3253 GFC_STD_F2003,
3254 gfc_check_move_alloc, NULL, NULL,
3255 f, BT_UNKNOWN, 0, REQUIRED, INTENT_INOUT,
3256 t, BT_UNKNOWN, 0, REQUIRED, INTENT_OUT);
3257
3258 add_sym_5s ("mvbits", GFC_ISYM_MVBITS, CLASS_ELEMENTAL, BT_UNKNOWN, 0,
3259 GFC_STD_F95, gfc_check_mvbits, gfc_simplify_mvbits,
3260 gfc_resolve_mvbits,
3261 f, BT_INTEGER, di, REQUIRED, INTENT_IN,
3262 fp, BT_INTEGER, di, REQUIRED, INTENT_IN,
3263 ln, BT_INTEGER, di, REQUIRED, INTENT_IN,
3264 t, BT_INTEGER, di, REQUIRED, INTENT_INOUT,
3265 tp, BT_INTEGER, di, REQUIRED, INTENT_IN);
3266
3267 add_sym_1s ("random_number", GFC_ISYM_RANDOM_NUMBER, CLASS_IMPURE,
3268 BT_UNKNOWN, 0, GFC_STD_F95,
3269 gfc_check_random_number, NULL, gfc_resolve_random_number,
3270 h, BT_REAL, dr, REQUIRED, INTENT_OUT);
3271
3272 add_sym_3s ("random_seed", GFC_ISYM_RANDOM_SEED, CLASS_IMPURE,
3273 BT_UNKNOWN, 0, GFC_STD_F95,
3274 gfc_check_random_seed, NULL, gfc_resolve_random_seed,
3275 sz, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3276 pt, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3277 gt, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3278
3279 /* The following subroutines are part of ISO_C_BINDING. */
3280
3281 add_sym_3s ("c_f_pointer", GFC_ISYM_C_F_POINTER, CLASS_IMPURE, BT_UNKNOWN, 0,
3282 GFC_STD_F2003, gfc_check_c_f_pointer, NULL, NULL,
3283 "cptr", BT_VOID, 0, REQUIRED, INTENT_IN,
3284 "fptr", BT_UNKNOWN, 0, REQUIRED, INTENT_OUT,
3285 "shape", BT_INTEGER, di, OPTIONAL, INTENT_IN);
3286 make_from_module();
3287
3288 add_sym_2s ("c_f_procpointer", GFC_ISYM_C_F_PROCPOINTER, CLASS_IMPURE,
3289 BT_UNKNOWN, 0, GFC_STD_F2003, gfc_check_c_f_procpointer,
3290 NULL, NULL,
3291 "cptr", BT_VOID, 0, REQUIRED, INTENT_IN,
3292 "fptr", BT_UNKNOWN, 0, REQUIRED, INTENT_OUT);
3293 make_from_module();
3294
3295 /* Coarray collectives. */
3296 add_sym_4s ("co_broadcast", GFC_ISYM_CO_BROADCAST, CLASS_IMPURE,
3297 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3298 gfc_check_co_broadcast, NULL, NULL,
3299 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3300 "source_image", BT_INTEGER, di, REQUIRED, INTENT_IN,
3301 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3302 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3303
3304 add_sym_4s ("co_max", GFC_ISYM_CO_MAX, CLASS_IMPURE,
3305 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3306 gfc_check_co_minmax, NULL, NULL,
3307 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3308 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3309 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3310 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3311
3312 add_sym_4s ("co_min", GFC_ISYM_CO_MIN, CLASS_IMPURE,
3313 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3314 gfc_check_co_minmax, NULL, NULL,
3315 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3316 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3317 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3318 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3319
3320 add_sym_4s ("co_sum", GFC_ISYM_CO_SUM, CLASS_IMPURE,
3321 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3322 gfc_check_co_sum, NULL, NULL,
3323 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3324 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3325 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3326 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3327
3328 add_sym_5s ("co_reduce", GFC_ISYM_CO_REDUCE, CLASS_IMPURE,
3329 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3330 gfc_check_co_reduce, NULL, NULL,
3331 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3332 "operator", BT_INTEGER, di, REQUIRED, INTENT_IN,
3333 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3334 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3335 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3336
3337
3338 /* The following subroutine is internally used for coarray libray functions.
3339 "make_from_module" makes it inaccessible for external users. */
3340 add_sym_2s (GFC_PREFIX ("caf_send"), GFC_ISYM_CAF_SEND, CLASS_IMPURE,
3341 BT_UNKNOWN, 0, GFC_STD_GNU, NULL, NULL, NULL,
3342 "x", BT_REAL, dr, REQUIRED, INTENT_OUT,
3343 "y", BT_REAL, dr, REQUIRED, INTENT_IN);
3344 make_from_module();
3345
3346
3347 /* More G77 compatibility garbage. */
3348 add_sym_3s ("alarm", GFC_ISYM_ALARM, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3349 gfc_check_alarm_sub, NULL, gfc_resolve_alarm_sub,
3350 sec, BT_INTEGER, di, REQUIRED, INTENT_IN,
3351 han, BT_UNKNOWN, 0, REQUIRED, INTENT_IN,
3352 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3353
3354 add_sym_1s ("srand", GFC_ISYM_SRAND, CLASS_IMPURE, BT_UNKNOWN,
3355 di, GFC_STD_GNU, gfc_check_srand, NULL, gfc_resolve_srand,
3356 "seed", BT_INTEGER, 4, REQUIRED, INTENT_IN);
3357
3358 add_sym_1s ("exit", GFC_ISYM_EXIT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3359 gfc_check_exit, NULL, gfc_resolve_exit,
3360 st, BT_INTEGER, di, OPTIONAL, INTENT_IN);
3361
3362 make_noreturn();
3363
3364 add_sym_3s ("fgetc", GFC_ISYM_FGETC, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3365 gfc_check_fgetputc_sub, NULL, gfc_resolve_fgetc_sub,
3366 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3367 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3368 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3369
3370 add_sym_2s ("fget", GFC_ISYM_FGET, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3371 gfc_check_fgetput_sub, NULL, gfc_resolve_fget_sub,
3372 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3373 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3374
3375 add_sym_1s ("flush", GFC_ISYM_FLUSH, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3376 gfc_check_flush, NULL, gfc_resolve_flush,
3377 ut, BT_INTEGER, di, OPTIONAL, INTENT_IN);
3378
3379 add_sym_3s ("fputc", GFC_ISYM_FPUTC, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3380 gfc_check_fgetputc_sub, NULL, gfc_resolve_fputc_sub,
3381 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3382 c, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3383 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3384
3385 add_sym_2s ("fput", GFC_ISYM_FPUT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3386 gfc_check_fgetput_sub, NULL, gfc_resolve_fput_sub,
3387 c, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3388 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3389
3390 add_sym_1s ("free", GFC_ISYM_FREE, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3391 gfc_check_free, NULL, gfc_resolve_free,
3392 ptr, BT_INTEGER, ii, REQUIRED, INTENT_INOUT);
3393
3394 add_sym_4s ("fseek", GFC_ISYM_FSEEK, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3395 gfc_check_fseek_sub, NULL, gfc_resolve_fseek_sub,
3396 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3397 of, BT_INTEGER, di, REQUIRED, INTENT_IN,
3398 whence, BT_INTEGER, di, REQUIRED, INTENT_IN,
3399 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3400
3401 add_sym_2s ("ftell", GFC_ISYM_FTELL, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3402 gfc_check_ftell_sub, NULL, gfc_resolve_ftell_sub,
3403 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3404 of, BT_INTEGER, ii, REQUIRED, INTENT_OUT);
3405
3406 add_sym_2s ("hostnm", GFC_ISYM_HOSTNM, CLASS_IMPURE, BT_UNKNOWN, 0,
3407 GFC_STD_GNU, gfc_check_hostnm_sub, NULL, gfc_resolve_hostnm_sub,
3408 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3409 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3410
3411 add_sym_3s ("kill", GFC_ISYM_KILL, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3412 gfc_check_kill_sub, NULL, gfc_resolve_kill_sub,
3413 c, BT_INTEGER, di, REQUIRED, INTENT_IN,
3414 val, BT_INTEGER, di, REQUIRED, INTENT_IN,
3415 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3416
3417 add_sym_3s ("link", GFC_ISYM_LINK, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3418 gfc_check_link_sub, NULL, gfc_resolve_link_sub,
3419 p1, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3420 p2, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3421 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3422
3423 add_sym_1s ("perror", GFC_ISYM_PERROR, CLASS_IMPURE, BT_UNKNOWN,
3424 0, GFC_STD_GNU, gfc_check_perror, NULL, gfc_resolve_perror,
3425 "string", BT_CHARACTER, dc, REQUIRED, INTENT_IN);
3426
3427 add_sym_3s ("rename", GFC_ISYM_RENAME, CLASS_IMPURE, BT_UNKNOWN, 0,
3428 GFC_STD_GNU, gfc_check_rename_sub, NULL, gfc_resolve_rename_sub,
3429 p1, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3430 p2, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3431 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3432
3433 add_sym_1s ("sleep", GFC_ISYM_SLEEP, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3434 gfc_check_sleep_sub, NULL, gfc_resolve_sleep_sub,
3435 sec, BT_INTEGER, di, REQUIRED, INTENT_IN);
3436
3437 add_sym_3s ("fstat", GFC_ISYM_FSTAT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3438 gfc_check_fstat_sub, NULL, gfc_resolve_fstat_sub,
3439 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3440 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT,
3441 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3442
3443 add_sym_3s ("lstat", GFC_ISYM_LSTAT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3444 gfc_check_stat_sub, NULL, gfc_resolve_lstat_sub,
3445 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3446 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT,
3447 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3448
3449 add_sym_3s ("stat", GFC_ISYM_STAT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3450 gfc_check_stat_sub, NULL, gfc_resolve_stat_sub,
3451 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3452 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT,
3453 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3454
3455 add_sym_3s ("signal", GFC_ISYM_SIGNAL, CLASS_IMPURE, BT_UNKNOWN, 0,
3456 GFC_STD_GNU, gfc_check_signal_sub, NULL, gfc_resolve_signal_sub,
3457 num, BT_INTEGER, di, REQUIRED, INTENT_IN,
3458 han, BT_UNKNOWN, 0, REQUIRED, INTENT_IN,
3459 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3460
3461 add_sym_3s ("symlnk", GFC_ISYM_SYMLINK, CLASS_IMPURE, BT_UNKNOWN, 0,
3462 GFC_STD_GNU, gfc_check_symlnk_sub, NULL, gfc_resolve_symlnk_sub,
3463 p1, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3464 p2, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3465 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3466
3467 add_sym_2s ("system", GFC_ISYM_SYSTEM, CLASS_IMPURE, BT_UNKNOWN,
3468 0, GFC_STD_GNU, NULL, NULL, gfc_resolve_system_sub,
3469 com, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3470 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3471
3472 add_sym_3s ("system_clock", GFC_ISYM_SYSTEM_CLOCK, CLASS_IMPURE,
3473 BT_UNKNOWN, 0, GFC_STD_F95,
3474 gfc_check_system_clock, NULL, gfc_resolve_system_clock,
3475 c, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3476 cr, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3477 cm, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3478
3479 add_sym_2s ("ttynam", GFC_ISYM_TTYNAM, CLASS_IMPURE, BT_UNKNOWN, 0,
3480 GFC_STD_GNU, gfc_check_ttynam_sub, NULL, gfc_resolve_ttynam_sub,
3481 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3482 name, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3483
3484 add_sym_2s ("umask", GFC_ISYM_UMASK, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3485 gfc_check_umask_sub, NULL, gfc_resolve_umask_sub,
3486 msk, BT_INTEGER, di, REQUIRED, INTENT_IN,
3487 old, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3488
3489 add_sym_2s ("unlink", GFC_ISYM_UNLINK, CLASS_IMPURE, BT_UNKNOWN, 0,
3490 GFC_STD_GNU, gfc_check_unlink_sub, NULL, gfc_resolve_unlink_sub,
3491 "path", BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3492 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3493 }
3494
3495
3496 /* Add a function to the list of conversion symbols. */
3497
3498 static void
3499 add_conv (bt from_type, int from_kind, bt to_type, int to_kind, int standard)
3500 {
3501 gfc_typespec from, to;
3502 gfc_intrinsic_sym *sym;
3503
3504 if (sizing == SZ_CONVS)
3505 {
3506 nconv++;
3507 return;
3508 }
3509
3510 gfc_clear_ts (&from);
3511 from.type = from_type;
3512 from.kind = from_kind;
3513
3514 gfc_clear_ts (&to);
3515 to.type = to_type;
3516 to.kind = to_kind;
3517
3518 sym = conversion + nconv;
3519
3520 sym->name = conv_name (&from, &to);
3521 sym->lib_name = sym->name;
3522 sym->simplify.cc = gfc_convert_constant;
3523 sym->standard = standard;
3524 sym->elemental = 1;
3525 sym->pure = 1;
3526 sym->conversion = 1;
3527 sym->ts = to;
3528 sym->id = GFC_ISYM_CONVERSION;
3529
3530 nconv++;
3531 }
3532
3533
3534 /* Create gfc_intrinsic_sym nodes for all intrinsic conversion
3535 functions by looping over the kind tables. */
3536
3537 static void
3538 add_conversions (void)
3539 {
3540 int i, j;
3541
3542 /* Integer-Integer conversions. */
3543 for (i = 0; gfc_integer_kinds[i].kind != 0; i++)
3544 for (j = 0; gfc_integer_kinds[j].kind != 0; j++)
3545 {
3546 if (i == j)
3547 continue;
3548
3549 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3550 BT_INTEGER, gfc_integer_kinds[j].kind, GFC_STD_F77);
3551 }
3552
3553 /* Integer-Real/Complex conversions. */
3554 for (i = 0; gfc_integer_kinds[i].kind != 0; i++)
3555 for (j = 0; gfc_real_kinds[j].kind != 0; j++)
3556 {
3557 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3558 BT_REAL, gfc_real_kinds[j].kind, GFC_STD_F77);
3559
3560 add_conv (BT_REAL, gfc_real_kinds[j].kind,
3561 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_F77);
3562
3563 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3564 BT_COMPLEX, gfc_real_kinds[j].kind, GFC_STD_F77);
3565
3566 add_conv (BT_COMPLEX, gfc_real_kinds[j].kind,
3567 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_F77);
3568 }
3569
3570 if ((gfc_option.allow_std & GFC_STD_LEGACY) != 0)
3571 {
3572 /* Hollerith-Integer conversions. */
3573 for (i = 0; gfc_integer_kinds[i].kind != 0; i++)
3574 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3575 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_LEGACY);
3576 /* Hollerith-Real conversions. */
3577 for (i = 0; gfc_real_kinds[i].kind != 0; i++)
3578 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3579 BT_REAL, gfc_real_kinds[i].kind, GFC_STD_LEGACY);
3580 /* Hollerith-Complex conversions. */
3581 for (i = 0; gfc_real_kinds[i].kind != 0; i++)
3582 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3583 BT_COMPLEX, gfc_real_kinds[i].kind, GFC_STD_LEGACY);
3584
3585 /* Hollerith-Character conversions. */
3586 add_conv (BT_HOLLERITH, gfc_default_character_kind, BT_CHARACTER,
3587 gfc_default_character_kind, GFC_STD_LEGACY);
3588
3589 /* Hollerith-Logical conversions. */
3590 for (i = 0; gfc_logical_kinds[i].kind != 0; i++)
3591 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3592 BT_LOGICAL, gfc_logical_kinds[i].kind, GFC_STD_LEGACY);
3593 }
3594
3595 /* Real/Complex - Real/Complex conversions. */
3596 for (i = 0; gfc_real_kinds[i].kind != 0; i++)
3597 for (j = 0; gfc_real_kinds[j].kind != 0; j++)
3598 {
3599 if (i != j)
3600 {
3601 add_conv (BT_REAL, gfc_real_kinds[i].kind,
3602 BT_REAL, gfc_real_kinds[j].kind, GFC_STD_F77);
3603
3604 add_conv (BT_COMPLEX, gfc_real_kinds[i].kind,
3605 BT_COMPLEX, gfc_real_kinds[j].kind, GFC_STD_F77);
3606 }
3607
3608 add_conv (BT_REAL, gfc_real_kinds[i].kind,
3609 BT_COMPLEX, gfc_real_kinds[j].kind, GFC_STD_F77);
3610
3611 add_conv (BT_COMPLEX, gfc_real_kinds[i].kind,
3612 BT_REAL, gfc_real_kinds[j].kind, GFC_STD_F77);
3613 }
3614
3615 /* Logical/Logical kind conversion. */
3616 for (i = 0; gfc_logical_kinds[i].kind; i++)
3617 for (j = 0; gfc_logical_kinds[j].kind; j++)
3618 {
3619 if (i == j)
3620 continue;
3621
3622 add_conv (BT_LOGICAL, gfc_logical_kinds[i].kind,
3623 BT_LOGICAL, gfc_logical_kinds[j].kind, GFC_STD_F77);
3624 }
3625
3626 /* Integer-Logical and Logical-Integer conversions. */
3627 if ((gfc_option.allow_std & GFC_STD_LEGACY) != 0)
3628 for (i=0; gfc_integer_kinds[i].kind; i++)
3629 for (j=0; gfc_logical_kinds[j].kind; j++)
3630 {
3631 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3632 BT_LOGICAL, gfc_logical_kinds[j].kind, GFC_STD_LEGACY);
3633 add_conv (BT_LOGICAL, gfc_logical_kinds[j].kind,
3634 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_LEGACY);
3635 }
3636 }
3637
3638
3639 static void
3640 add_char_conversions (void)
3641 {
3642 int n, i, j;
3643
3644 /* Count possible conversions. */
3645 for (i = 0; gfc_character_kinds[i].kind != 0; i++)
3646 for (j = 0; gfc_character_kinds[j].kind != 0; j++)
3647 if (i != j)
3648 ncharconv++;
3649
3650 /* Allocate memory. */
3651 char_conversions = XCNEWVEC (gfc_intrinsic_sym, ncharconv);
3652
3653 /* Add the conversions themselves. */
3654 n = 0;
3655 for (i = 0; gfc_character_kinds[i].kind != 0; i++)
3656 for (j = 0; gfc_character_kinds[j].kind != 0; j++)
3657 {
3658 gfc_typespec from, to;
3659
3660 if (i == j)
3661 continue;
3662
3663 gfc_clear_ts (&from);
3664 from.type = BT_CHARACTER;
3665 from.kind = gfc_character_kinds[i].kind;
3666
3667 gfc_clear_ts (&to);
3668 to.type = BT_CHARACTER;
3669 to.kind = gfc_character_kinds[j].kind;
3670
3671 char_conversions[n].name = conv_name (&from, &to);
3672 char_conversions[n].lib_name = char_conversions[n].name;
3673 char_conversions[n].simplify.cc = gfc_convert_char_constant;
3674 char_conversions[n].standard = GFC_STD_F2003;
3675 char_conversions[n].elemental = 1;
3676 char_conversions[n].pure = 1;
3677 char_conversions[n].conversion = 0;
3678 char_conversions[n].ts = to;
3679 char_conversions[n].id = GFC_ISYM_CONVERSION;
3680
3681 n++;
3682 }
3683 }
3684
3685
3686 /* Initialize the table of intrinsics. */
3687 void
3688 gfc_intrinsic_init_1 (void)
3689 {
3690 nargs = nfunc = nsub = nconv = 0;
3691
3692 /* Create a namespace to hold the resolved intrinsic symbols. */
3693 gfc_intrinsic_namespace = gfc_get_namespace (NULL, 0);
3694
3695 sizing = SZ_FUNCS;
3696 add_functions ();
3697 sizing = SZ_SUBS;
3698 add_subroutines ();
3699 sizing = SZ_CONVS;
3700 add_conversions ();
3701
3702 functions = XCNEWVAR (struct gfc_intrinsic_sym,
3703 sizeof (gfc_intrinsic_sym) * (nfunc + nsub)
3704 + sizeof (gfc_intrinsic_arg) * nargs);
3705
3706 next_sym = functions;
3707 subroutines = functions + nfunc;
3708
3709 conversion = XCNEWVEC (gfc_intrinsic_sym, nconv);
3710
3711 next_arg = ((gfc_intrinsic_arg *) (subroutines + nsub)) - 1;
3712
3713 sizing = SZ_NOTHING;
3714 nconv = 0;
3715
3716 add_functions ();
3717 add_subroutines ();
3718 add_conversions ();
3719
3720 /* Character conversion intrinsics need to be treated separately. */
3721 add_char_conversions ();
3722 }
3723
3724
3725 void
3726 gfc_intrinsic_done_1 (void)
3727 {
3728 free (functions);
3729 free (conversion);
3730 free (char_conversions);
3731 gfc_free_namespace (gfc_intrinsic_namespace);
3732 }
3733
3734
3735 /******** Subroutines to check intrinsic interfaces ***********/
3736
3737 /* Given a formal argument list, remove any NULL arguments that may
3738 have been left behind by a sort against some formal argument list. */
3739
3740 static void
3741 remove_nullargs (gfc_actual_arglist **ap)
3742 {
3743 gfc_actual_arglist *head, *tail, *next;
3744
3745 tail = NULL;
3746
3747 for (head = *ap; head; head = next)
3748 {
3749 next = head->next;
3750
3751 if (head->expr == NULL && !head->label)
3752 {
3753 head->next = NULL;
3754 gfc_free_actual_arglist (head);
3755 }
3756 else
3757 {
3758 if (tail == NULL)
3759 *ap = head;
3760 else
3761 tail->next = head;
3762
3763 tail = head;
3764 tail->next = NULL;
3765 }
3766 }
3767
3768 if (tail == NULL)
3769 *ap = NULL;
3770 }
3771
3772
3773 /* Given an actual arglist and a formal arglist, sort the actual
3774 arglist so that its arguments are in a one-to-one correspondence
3775 with the format arglist. Arguments that are not present are given
3776 a blank gfc_actual_arglist structure. If something is obviously
3777 wrong (say, a missing required argument) we abort sorting and
3778 return false. */
3779
3780 static bool
3781 sort_actual (const char *name, gfc_actual_arglist **ap,
3782 gfc_intrinsic_arg *formal, locus *where)
3783 {
3784 gfc_actual_arglist *actual, *a;
3785 gfc_intrinsic_arg *f;
3786
3787 remove_nullargs (ap);
3788 actual = *ap;
3789
3790 for (f = formal; f; f = f->next)
3791 f->actual = NULL;
3792
3793 f = formal;
3794 a = actual;
3795
3796 if (f == NULL && a == NULL) /* No arguments */
3797 return true;
3798
3799 for (;;)
3800 { /* Put the nonkeyword arguments in a 1:1 correspondence */
3801 if (f == NULL)
3802 break;
3803 if (a == NULL)
3804 goto optional;
3805
3806 if (a->name != NULL)
3807 goto keywords;
3808
3809 f->actual = a;
3810
3811 f = f->next;
3812 a = a->next;
3813 }
3814
3815 if (a == NULL)
3816 goto do_sort;
3817
3818 gfc_error ("Too many arguments in call to %qs at %L", name, where);
3819 return false;
3820
3821 keywords:
3822 /* Associate the remaining actual arguments, all of which have
3823 to be keyword arguments. */
3824 for (; a; a = a->next)
3825 {
3826 for (f = formal; f; f = f->next)
3827 if (strcmp (a->name, f->name) == 0)
3828 break;
3829
3830 if (f == NULL)
3831 {
3832 if (a->name[0] == '%')
3833 gfc_error ("The argument list functions %%VAL, %%LOC or %%REF "
3834 "are not allowed in this context at %L", where);
3835 else
3836 gfc_error ("Can't find keyword named %qs in call to %qs at %L",
3837 a->name, name, where);
3838 return false;
3839 }
3840
3841 if (f->actual != NULL)
3842 {
3843 gfc_error ("Argument %qs appears twice in call to %qs at %L",
3844 f->name, name, where);
3845 return false;
3846 }
3847
3848 f->actual = a;
3849 }
3850
3851 optional:
3852 /* At this point, all unmatched formal args must be optional. */
3853 for (f = formal; f; f = f->next)
3854 {
3855 if (f->actual == NULL && f->optional == 0)
3856 {
3857 gfc_error ("Missing actual argument %qs in call to %qs at %L",
3858 f->name, name, where);
3859 return false;
3860 }
3861 }
3862
3863 do_sort:
3864 /* Using the formal argument list, string the actual argument list
3865 together in a way that corresponds with the formal list. */
3866 actual = NULL;
3867
3868 for (f = formal; f; f = f->next)
3869 {
3870 if (f->actual && f->actual->label != NULL && f->ts.type)
3871 {
3872 gfc_error ("ALTERNATE RETURN not permitted at %L", where);
3873 return false;
3874 }
3875
3876 if (f->actual == NULL)
3877 {
3878 a = gfc_get_actual_arglist ();
3879 a->missing_arg_type = f->ts.type;
3880 }
3881 else
3882 a = f->actual;
3883
3884 if (actual == NULL)
3885 *ap = a;
3886 else
3887 actual->next = a;
3888
3889 actual = a;
3890 }
3891 actual->next = NULL; /* End the sorted argument list. */
3892
3893 return true;
3894 }
3895
3896
3897 /* Compare an actual argument list with an intrinsic's formal argument
3898 list. The lists are checked for agreement of type. We don't check
3899 for arrayness here. */
3900
3901 static bool
3902 check_arglist (gfc_actual_arglist **ap, gfc_intrinsic_sym *sym,
3903 int error_flag)
3904 {
3905 gfc_actual_arglist *actual;
3906 gfc_intrinsic_arg *formal;
3907 int i;
3908
3909 formal = sym->formal;
3910 actual = *ap;
3911
3912 i = 0;
3913 for (; formal; formal = formal->next, actual = actual->next, i++)
3914 {
3915 gfc_typespec ts;
3916
3917 if (actual->expr == NULL)
3918 continue;
3919
3920 ts = formal->ts;
3921
3922 /* A kind of 0 means we don't check for kind. */
3923 if (ts.kind == 0)
3924 ts.kind = actual->expr->ts.kind;
3925
3926 if (!gfc_compare_types (&ts, &actual->expr->ts))
3927 {
3928 if (error_flag)
3929 gfc_error ("Type of argument %qs in call to %qs at %L should "
3930 "be %s, not %s", gfc_current_intrinsic_arg[i]->name,
3931 gfc_current_intrinsic, &actual->expr->where,
3932 gfc_typename (&formal->ts),
3933 gfc_typename (&actual->expr->ts));
3934 return false;
3935 }
3936
3937 /* If the formal argument is INTENT([IN]OUT), check for definability. */
3938 if (formal->intent == INTENT_INOUT || formal->intent == INTENT_OUT)
3939 {
3940 const char* context = (error_flag
3941 ? _("actual argument to INTENT = OUT/INOUT")
3942 : NULL);
3943
3944 /* No pointer arguments for intrinsics. */
3945 if (!gfc_check_vardef_context (actual->expr, false, false, false, context))
3946 return false;
3947 }
3948 }
3949
3950 return true;
3951 }
3952
3953
3954 /* Given a pointer to an intrinsic symbol and an expression node that
3955 represent the function call to that subroutine, figure out the type
3956 of the result. This may involve calling a resolution subroutine. */
3957
3958 static void
3959 resolve_intrinsic (gfc_intrinsic_sym *specific, gfc_expr *e)
3960 {
3961 gfc_expr *a1, *a2, *a3, *a4, *a5;
3962 gfc_actual_arglist *arg;
3963
3964 if (specific->resolve.f1 == NULL)
3965 {
3966 if (e->value.function.name == NULL)
3967 e->value.function.name = specific->lib_name;
3968
3969 if (e->ts.type == BT_UNKNOWN)
3970 e->ts = specific->ts;
3971 return;
3972 }
3973
3974 arg = e->value.function.actual;
3975
3976 /* Special case hacks for MIN and MAX. */
3977 if (specific->resolve.f1m == gfc_resolve_max
3978 || specific->resolve.f1m == gfc_resolve_min)
3979 {
3980 (*specific->resolve.f1m) (e, arg);
3981 return;
3982 }
3983
3984 if (arg == NULL)
3985 {
3986 (*specific->resolve.f0) (e);
3987 return;
3988 }
3989
3990 a1 = arg->expr;
3991 arg = arg->next;
3992
3993 if (arg == NULL)
3994 {
3995 (*specific->resolve.f1) (e, a1);
3996 return;
3997 }
3998
3999 a2 = arg->expr;
4000 arg = arg->next;
4001
4002 if (arg == NULL)
4003 {
4004 (*specific->resolve.f2) (e, a1, a2);
4005 return;
4006 }
4007
4008 a3 = arg->expr;
4009 arg = arg->next;
4010
4011 if (arg == NULL)
4012 {
4013 (*specific->resolve.f3) (e, a1, a2, a3);
4014 return;
4015 }
4016
4017 a4 = arg->expr;
4018 arg = arg->next;
4019
4020 if (arg == NULL)
4021 {
4022 (*specific->resolve.f4) (e, a1, a2, a3, a4);
4023 return;
4024 }
4025
4026 a5 = arg->expr;
4027 arg = arg->next;
4028
4029 if (arg == NULL)
4030 {
4031 (*specific->resolve.f5) (e, a1, a2, a3, a4, a5);
4032 return;
4033 }
4034
4035 gfc_internal_error ("resolve_intrinsic(): Too many args for intrinsic");
4036 }
4037
4038
4039 /* Given an intrinsic symbol node and an expression node, call the
4040 simplification function (if there is one), perhaps replacing the
4041 expression with something simpler. We return false on an error
4042 of the simplification, true if the simplification worked, even
4043 if nothing has changed in the expression itself. */
4044
4045 static bool
4046 do_simplify (gfc_intrinsic_sym *specific, gfc_expr *e)
4047 {
4048 gfc_expr *result, *a1, *a2, *a3, *a4, *a5;
4049 gfc_actual_arglist *arg;
4050
4051 /* Max and min require special handling due to the variable number
4052 of args. */
4053 if (specific->simplify.f1 == gfc_simplify_min)
4054 {
4055 result = gfc_simplify_min (e);
4056 goto finish;
4057 }
4058
4059 if (specific->simplify.f1 == gfc_simplify_max)
4060 {
4061 result = gfc_simplify_max (e);
4062 goto finish;
4063 }
4064
4065 if (specific->simplify.f1 == NULL)
4066 {
4067 result = NULL;
4068 goto finish;
4069 }
4070
4071 arg = e->value.function.actual;
4072
4073 if (arg == NULL)
4074 {
4075 result = (*specific->simplify.f0) ();
4076 goto finish;
4077 }
4078
4079 a1 = arg->expr;
4080 arg = arg->next;
4081
4082 if (specific->simplify.cc == gfc_convert_constant
4083 || specific->simplify.cc == gfc_convert_char_constant)
4084 {
4085 result = specific->simplify.cc (a1, specific->ts.type, specific->ts.kind);
4086 goto finish;
4087 }
4088
4089 if (arg == NULL)
4090 result = (*specific->simplify.f1) (a1);
4091 else
4092 {
4093 a2 = arg->expr;
4094 arg = arg->next;
4095
4096 if (arg == NULL)
4097 result = (*specific->simplify.f2) (a1, a2);
4098 else
4099 {
4100 a3 = arg->expr;
4101 arg = arg->next;
4102
4103 if (arg == NULL)
4104 result = (*specific->simplify.f3) (a1, a2, a3);
4105 else
4106 {
4107 a4 = arg->expr;
4108 arg = arg->next;
4109
4110 if (arg == NULL)
4111 result = (*specific->simplify.f4) (a1, a2, a3, a4);
4112 else
4113 {
4114 a5 = arg->expr;
4115 arg = arg->next;
4116
4117 if (arg == NULL)
4118 result = (*specific->simplify.f5) (a1, a2, a3, a4, a5);
4119 else
4120 gfc_internal_error
4121 ("do_simplify(): Too many args for intrinsic");
4122 }
4123 }
4124 }
4125 }
4126
4127 finish:
4128 if (result == &gfc_bad_expr)
4129 return false;
4130
4131 if (result == NULL)
4132 resolve_intrinsic (specific, e); /* Must call at run-time */
4133 else
4134 {
4135 result->where = e->where;
4136 gfc_replace_expr (e, result);
4137 }
4138
4139 return true;
4140 }
4141
4142
4143 /* Initialize the gfc_current_intrinsic_arg[] array for the benefit of
4144 error messages. This subroutine returns false if a subroutine
4145 has more than MAX_INTRINSIC_ARGS, in which case the actual argument
4146 list cannot match any intrinsic. */
4147
4148 static void
4149 init_arglist (gfc_intrinsic_sym *isym)
4150 {
4151 gfc_intrinsic_arg *formal;
4152 int i;
4153
4154 gfc_current_intrinsic = isym->name;
4155
4156 i = 0;
4157 for (formal = isym->formal; formal; formal = formal->next)
4158 {
4159 if (i >= MAX_INTRINSIC_ARGS)
4160 gfc_internal_error ("init_arglist(): too many arguments");
4161 gfc_current_intrinsic_arg[i++] = formal;
4162 }
4163 }
4164
4165
4166 /* Given a pointer to an intrinsic symbol and an expression consisting
4167 of a function call, see if the function call is consistent with the
4168 intrinsic's formal argument list. Return true if the expression
4169 and intrinsic match, false otherwise. */
4170
4171 static bool
4172 check_specific (gfc_intrinsic_sym *specific, gfc_expr *expr, int error_flag)
4173 {
4174 gfc_actual_arglist *arg, **ap;
4175 bool t;
4176
4177 ap = &expr->value.function.actual;
4178
4179 init_arglist (specific);
4180
4181 /* Don't attempt to sort the argument list for min or max. */
4182 if (specific->check.f1m == gfc_check_min_max
4183 || specific->check.f1m == gfc_check_min_max_integer
4184 || specific->check.f1m == gfc_check_min_max_real
4185 || specific->check.f1m == gfc_check_min_max_double)
4186 {
4187 if (!do_ts29113_check (specific, *ap))
4188 return false;
4189 return (*specific->check.f1m) (*ap);
4190 }
4191
4192 if (!sort_actual (specific->name, ap, specific->formal, &expr->where))
4193 return false;
4194
4195 if (!do_ts29113_check (specific, *ap))
4196 return false;
4197
4198 if (specific->check.f3ml == gfc_check_minloc_maxloc)
4199 /* This is special because we might have to reorder the argument list. */
4200 t = gfc_check_minloc_maxloc (*ap);
4201 else if (specific->check.f3red == gfc_check_minval_maxval)
4202 /* This is also special because we also might have to reorder the
4203 argument list. */
4204 t = gfc_check_minval_maxval (*ap);
4205 else if (specific->check.f3red == gfc_check_product_sum)
4206 /* Same here. The difference to the previous case is that we allow a
4207 general numeric type. */
4208 t = gfc_check_product_sum (*ap);
4209 else if (specific->check.f3red == gfc_check_transf_bit_intrins)
4210 /* Same as for PRODUCT and SUM, but different checks. */
4211 t = gfc_check_transf_bit_intrins (*ap);
4212 else
4213 {
4214 if (specific->check.f1 == NULL)
4215 {
4216 t = check_arglist (ap, specific, error_flag);
4217 if (t)
4218 expr->ts = specific->ts;
4219 }
4220 else
4221 t = do_check (specific, *ap);
4222 }
4223
4224 /* Check conformance of elemental intrinsics. */
4225 if (t && specific->elemental)
4226 {
4227 int n = 0;
4228 gfc_expr *first_expr;
4229 arg = expr->value.function.actual;
4230
4231 /* There is no elemental intrinsic without arguments. */
4232 gcc_assert(arg != NULL);
4233 first_expr = arg->expr;
4234
4235 for ( ; arg && arg->expr; arg = arg->next, n++)
4236 if (!gfc_check_conformance (first_expr, arg->expr,
4237 "arguments '%s' and '%s' for "
4238 "intrinsic '%s'",
4239 gfc_current_intrinsic_arg[0]->name,
4240 gfc_current_intrinsic_arg[n]->name,
4241 gfc_current_intrinsic))
4242 return false;
4243 }
4244
4245 if (!t)
4246 remove_nullargs (ap);
4247
4248 return t;
4249 }
4250
4251
4252 /* Check whether an intrinsic belongs to whatever standard the user
4253 has chosen, taking also into account -fall-intrinsics. Here, no
4254 warning/error is emitted; but if symstd is not NULL, it is pointed to a
4255 textual representation of the symbols standard status (like
4256 "new in Fortran 2008", "a GNU extension" or "obsolescent in Fortran 95") that
4257 can be used to construct a detailed warning/error message in case of
4258 a false. */
4259
4260 bool
4261 gfc_check_intrinsic_standard (const gfc_intrinsic_sym* isym,
4262 const char** symstd, bool silent, locus where)
4263 {
4264 const char* symstd_msg;
4265
4266 /* For -fall-intrinsics, just succeed. */
4267 if (flag_all_intrinsics)
4268 return true;
4269
4270 /* Find the symbol's standard message for later usage. */
4271 switch (isym->standard)
4272 {
4273 case GFC_STD_F77:
4274 symstd_msg = "available since Fortran 77";
4275 break;
4276
4277 case GFC_STD_F95_OBS:
4278 symstd_msg = "obsolescent in Fortran 95";
4279 break;
4280
4281 case GFC_STD_F95_DEL:
4282 symstd_msg = "deleted in Fortran 95";
4283 break;
4284
4285 case GFC_STD_F95:
4286 symstd_msg = "new in Fortran 95";
4287 break;
4288
4289 case GFC_STD_F2003:
4290 symstd_msg = "new in Fortran 2003";
4291 break;
4292
4293 case GFC_STD_F2008:
4294 symstd_msg = "new in Fortran 2008";
4295 break;
4296
4297 case GFC_STD_F2008_TS:
4298 symstd_msg = "new in TS 29113/TS 18508";
4299 break;
4300
4301 case GFC_STD_GNU:
4302 symstd_msg = "a GNU Fortran extension";
4303 break;
4304
4305 case GFC_STD_LEGACY:
4306 symstd_msg = "for backward compatibility";
4307 break;
4308
4309 default:
4310 gfc_internal_error ("Invalid standard code on intrinsic %qs (%d)",
4311 isym->name, isym->standard);
4312 }
4313
4314 /* If warning about the standard, warn and succeed. */
4315 if (gfc_option.warn_std & isym->standard)
4316 {
4317 /* Do only print a warning if not a GNU extension. */
4318 if (!silent && isym->standard != GFC_STD_GNU)
4319 gfc_warning (0, "Intrinsic %qs (is %s) is used at %L",
4320 isym->name, _(symstd_msg), &where);
4321
4322 return true;
4323 }
4324
4325 /* If allowing the symbol's standard, succeed, too. */
4326 if (gfc_option.allow_std & isym->standard)
4327 return true;
4328
4329 /* Otherwise, fail. */
4330 if (symstd)
4331 *symstd = _(symstd_msg);
4332 return false;
4333 }
4334
4335
4336 /* See if a function call corresponds to an intrinsic function call.
4337 We return:
4338
4339 MATCH_YES if the call corresponds to an intrinsic, simplification
4340 is done if possible.
4341
4342 MATCH_NO if the call does not correspond to an intrinsic
4343
4344 MATCH_ERROR if the call corresponds to an intrinsic but there was an
4345 error during the simplification process.
4346
4347 The error_flag parameter enables an error reporting. */
4348
4349 match
4350 gfc_intrinsic_func_interface (gfc_expr *expr, int error_flag)
4351 {
4352 gfc_intrinsic_sym *isym, *specific;
4353 gfc_actual_arglist *actual;
4354 const char *name;
4355 int flag;
4356
4357 if (expr->value.function.isym != NULL)
4358 return (!do_simplify(expr->value.function.isym, expr))
4359 ? MATCH_ERROR : MATCH_YES;
4360
4361 if (!error_flag)
4362 gfc_push_suppress_errors ();
4363 flag = 0;
4364
4365 for (actual = expr->value.function.actual; actual; actual = actual->next)
4366 if (actual->expr != NULL)
4367 flag |= (actual->expr->ts.type != BT_INTEGER
4368 && actual->expr->ts.type != BT_CHARACTER);
4369
4370 name = expr->symtree->n.sym->name;
4371
4372 if (expr->symtree->n.sym->intmod_sym_id)
4373 {
4374 gfc_isym_id id = gfc_isym_id_by_intmod_sym (expr->symtree->n.sym);
4375 isym = specific = gfc_intrinsic_function_by_id (id);
4376 }
4377 else
4378 isym = specific = gfc_find_function (name);
4379
4380 if (isym == NULL)
4381 {
4382 if (!error_flag)
4383 gfc_pop_suppress_errors ();
4384 return MATCH_NO;
4385 }
4386
4387 if ((isym->id == GFC_ISYM_REAL || isym->id == GFC_ISYM_DBLE
4388 || isym->id == GFC_ISYM_CMPLX)
4389 && gfc_init_expr_flag
4390 && !gfc_notify_std (GFC_STD_F2003, "Function %qs as initialization "
4391 "expression at %L", name, &expr->where))
4392 {
4393 if (!error_flag)
4394 gfc_pop_suppress_errors ();
4395 return MATCH_ERROR;
4396 }
4397
4398 gfc_current_intrinsic_where = &expr->where;
4399
4400 /* Bypass the generic list for min, max and ISO_C_Binding's c_loc. */
4401 if (isym->check.f1m == gfc_check_min_max)
4402 {
4403 init_arglist (isym);
4404
4405 if (isym->check.f1m(expr->value.function.actual))
4406 goto got_specific;
4407
4408 if (!error_flag)
4409 gfc_pop_suppress_errors ();
4410 return MATCH_NO;
4411 }
4412
4413 /* If the function is generic, check all of its specific
4414 incarnations. If the generic name is also a specific, we check
4415 that name last, so that any error message will correspond to the
4416 specific. */
4417 gfc_push_suppress_errors ();
4418
4419 if (isym->generic)
4420 {
4421 for (specific = isym->specific_head; specific;
4422 specific = specific->next)
4423 {
4424 if (specific == isym)
4425 continue;
4426 if (check_specific (specific, expr, 0))
4427 {
4428 gfc_pop_suppress_errors ();
4429 goto got_specific;
4430 }
4431 }
4432 }
4433
4434 gfc_pop_suppress_errors ();
4435
4436 if (!check_specific (isym, expr, error_flag))
4437 {
4438 if (!error_flag)
4439 gfc_pop_suppress_errors ();
4440 return MATCH_NO;
4441 }
4442
4443 specific = isym;
4444
4445 got_specific:
4446 expr->value.function.isym = specific;
4447 if (!expr->symtree->n.sym->module)
4448 gfc_intrinsic_symbol (expr->symtree->n.sym);
4449
4450 if (!error_flag)
4451 gfc_pop_suppress_errors ();
4452
4453 if (!do_simplify (specific, expr))
4454 return MATCH_ERROR;
4455
4456 /* F95, 7.1.6.1, Initialization expressions
4457 (4) An elemental intrinsic function reference of type integer or
4458 character where each argument is an initialization expression
4459 of type integer or character
4460
4461 F2003, 7.1.7 Initialization expression
4462 (4) A reference to an elemental standard intrinsic function,
4463 where each argument is an initialization expression */
4464
4465 if (gfc_init_expr_flag && isym->elemental && flag
4466 && !gfc_notify_std (GFC_STD_F2003, "Elemental function as "
4467 "initialization expression with non-integer/non-"
4468 "character arguments at %L", &expr->where))
4469 return MATCH_ERROR;
4470
4471 return MATCH_YES;
4472 }
4473
4474
4475 /* See if a CALL statement corresponds to an intrinsic subroutine.
4476 Returns MATCH_YES if the subroutine corresponds to an intrinsic,
4477 MATCH_NO if not, and MATCH_ERROR if there was an error (but did
4478 correspond). */
4479
4480 match
4481 gfc_intrinsic_sub_interface (gfc_code *c, int error_flag)
4482 {
4483 gfc_intrinsic_sym *isym;
4484 const char *name;
4485
4486 name = c->symtree->n.sym->name;
4487
4488 if (c->symtree->n.sym->intmod_sym_id)
4489 {
4490 gfc_isym_id id;
4491 id = gfc_isym_id_by_intmod_sym (c->symtree->n.sym);
4492 isym = gfc_intrinsic_subroutine_by_id (id);
4493 }
4494 else
4495 isym = gfc_find_subroutine (name);
4496 if (isym == NULL)
4497 return MATCH_NO;
4498
4499 if (!error_flag)
4500 gfc_push_suppress_errors ();
4501
4502 init_arglist (isym);
4503
4504 if (!sort_actual (name, &c->ext.actual, isym->formal, &c->loc))
4505 goto fail;
4506
4507 if (!do_ts29113_check (isym, c->ext.actual))
4508 goto fail;
4509
4510 if (isym->check.f1 != NULL)
4511 {
4512 if (!do_check (isym, c->ext.actual))
4513 goto fail;
4514 }
4515 else
4516 {
4517 if (!check_arglist (&c->ext.actual, isym, 1))
4518 goto fail;
4519 }
4520
4521 /* The subroutine corresponds to an intrinsic. Allow errors to be
4522 seen at this point. */
4523 if (!error_flag)
4524 gfc_pop_suppress_errors ();
4525
4526 c->resolved_isym = isym;
4527 if (isym->resolve.s1 != NULL)
4528 isym->resolve.s1 (c);
4529 else
4530 {
4531 c->resolved_sym = gfc_get_intrinsic_sub_symbol (isym->lib_name);
4532 c->resolved_sym->attr.elemental = isym->elemental;
4533 }
4534
4535 if (gfc_do_concurrent_flag && !isym->pure)
4536 {
4537 gfc_error ("Subroutine call to intrinsic %qs in DO CONCURRENT "
4538 "block at %L is not PURE", name, &c->loc);
4539 return MATCH_ERROR;
4540 }
4541
4542 if (!isym->pure && gfc_pure (NULL))
4543 {
4544 gfc_error ("Subroutine call to intrinsic %qs at %L is not PURE", name,
4545 &c->loc);
4546 return MATCH_ERROR;
4547 }
4548
4549 if (!isym->pure)
4550 gfc_unset_implicit_pure (NULL);
4551
4552 c->resolved_sym->attr.noreturn = isym->noreturn;
4553
4554 return MATCH_YES;
4555
4556 fail:
4557 if (!error_flag)
4558 gfc_pop_suppress_errors ();
4559 return MATCH_NO;
4560 }
4561
4562
4563 /* Call gfc_convert_type() with warning enabled. */
4564
4565 bool
4566 gfc_convert_type (gfc_expr *expr, gfc_typespec *ts, int eflag)
4567 {
4568 return gfc_convert_type_warn (expr, ts, eflag, 1);
4569 }
4570
4571
4572 /* Try to convert an expression (in place) from one type to another.
4573 'eflag' controls the behavior on error.
4574
4575 The possible values are:
4576
4577 1 Generate a gfc_error()
4578 2 Generate a gfc_internal_error().
4579
4580 'wflag' controls the warning related to conversion. */
4581
4582 bool
4583 gfc_convert_type_warn (gfc_expr *expr, gfc_typespec *ts, int eflag, int wflag)
4584 {
4585 gfc_intrinsic_sym *sym;
4586 gfc_typespec from_ts;
4587 locus old_where;
4588 gfc_expr *new_expr;
4589 int rank;
4590 mpz_t *shape;
4591
4592 from_ts = expr->ts; /* expr->ts gets clobbered */
4593
4594 if (ts->type == BT_UNKNOWN)
4595 goto bad;
4596
4597 /* NULL and zero size arrays get their type here. */
4598 if (expr->expr_type == EXPR_NULL
4599 || (expr->expr_type == EXPR_ARRAY && expr->value.constructor == NULL))
4600 {
4601 /* Sometimes the RHS acquire the type. */
4602 expr->ts = *ts;
4603 return true;
4604 }
4605
4606 if (expr->ts.type == BT_UNKNOWN)
4607 goto bad;
4608
4609 if (expr->ts.type == BT_DERIVED && ts->type == BT_DERIVED
4610 && gfc_compare_types (&expr->ts, ts))
4611 return true;
4612
4613 sym = find_conv (&expr->ts, ts);
4614 if (sym == NULL)
4615 goto bad;
4616
4617 /* At this point, a conversion is necessary. A warning may be needed. */
4618 if ((gfc_option.warn_std & sym->standard) != 0)
4619 {
4620 gfc_warning_now (0, "Extension: Conversion from %s to %s at %L",
4621 gfc_typename (&from_ts), gfc_typename (ts),
4622 &expr->where);
4623 }
4624 else if (wflag)
4625 {
4626 if (flag_range_check && expr->expr_type == EXPR_CONSTANT
4627 && from_ts.type == ts->type)
4628 {
4629 /* Do nothing. Constants of the same type are range-checked
4630 elsewhere. If a value too large for the target type is
4631 assigned, an error is generated. Not checking here avoids
4632 duplications of warnings/errors.
4633 If range checking was disabled, but -Wconversion enabled,
4634 a non range checked warning is generated below. */
4635 }
4636 else if (from_ts.type == BT_LOGICAL || ts->type == BT_LOGICAL)
4637 {
4638 /* Do nothing. This block exists only to simplify the other
4639 else-if expressions.
4640 LOGICAL <> LOGICAL no warning, independent of kind values
4641 LOGICAL <> INTEGER extension, warned elsewhere
4642 LOGICAL <> REAL invalid, error generated elsewhere
4643 LOGICAL <> COMPLEX invalid, error generated elsewhere */
4644 }
4645 else if (from_ts.type == ts->type
4646 || (from_ts.type == BT_INTEGER && ts->type == BT_REAL)
4647 || (from_ts.type == BT_INTEGER && ts->type == BT_COMPLEX)
4648 || (from_ts.type == BT_REAL && ts->type == BT_COMPLEX))
4649 {
4650 /* Larger kinds can hold values of smaller kinds without problems.
4651 Hence, only warn if target kind is smaller than the source
4652 kind - or if -Wconversion-extra is specified. */
4653 if (warn_conversion && from_ts.kind > ts->kind)
4654 gfc_warning_now (OPT_Wconversion, "Possible change of value in "
4655 "conversion from %s to %s at %L",
4656 gfc_typename (&from_ts), gfc_typename (ts),
4657 &expr->where);
4658 else if (warn_conversion_extra)
4659 gfc_warning_now (OPT_Wconversion_extra, "Conversion from %s to %s "
4660 "at %L", gfc_typename (&from_ts),
4661 gfc_typename (ts), &expr->where);
4662 }
4663 else if ((from_ts.type == BT_REAL && ts->type == BT_INTEGER)
4664 || (from_ts.type == BT_COMPLEX && ts->type == BT_INTEGER)
4665 || (from_ts.type == BT_COMPLEX && ts->type == BT_REAL))
4666 {
4667 /* Conversion from REAL/COMPLEX to INTEGER or COMPLEX to REAL
4668 usually comes with a loss of information, regardless of kinds. */
4669 if (warn_conversion)
4670 gfc_warning_now (OPT_Wconversion, "Possible change of value in "
4671 "conversion from %s to %s at %L",
4672 gfc_typename (&from_ts), gfc_typename (ts),
4673 &expr->where);
4674 }
4675 else if (from_ts.type == BT_HOLLERITH || ts->type == BT_HOLLERITH)
4676 {
4677 /* If HOLLERITH is involved, all bets are off. */
4678 if (warn_conversion)
4679 gfc_warning_now (OPT_Wconversion, "Conversion from %s to %s at %L",
4680 gfc_typename (&from_ts), gfc_typename (ts),
4681 &expr->where);
4682 }
4683 else
4684 gcc_unreachable ();
4685 }
4686
4687 /* Insert a pre-resolved function call to the right function. */
4688 old_where = expr->where;
4689 rank = expr->rank;
4690 shape = expr->shape;
4691
4692 new_expr = gfc_get_expr ();
4693 *new_expr = *expr;
4694
4695 new_expr = gfc_build_conversion (new_expr);
4696 new_expr->value.function.name = sym->lib_name;
4697 new_expr->value.function.isym = sym;
4698 new_expr->where = old_where;
4699 new_expr->rank = rank;
4700 new_expr->shape = gfc_copy_shape (shape, rank);
4701
4702 gfc_get_ha_sym_tree (sym->name, &new_expr->symtree);
4703 new_expr->symtree->n.sym->result = new_expr->symtree->n.sym;
4704 new_expr->symtree->n.sym->ts = *ts;
4705 new_expr->symtree->n.sym->attr.flavor = FL_PROCEDURE;
4706 new_expr->symtree->n.sym->attr.function = 1;
4707 new_expr->symtree->n.sym->attr.elemental = 1;
4708 new_expr->symtree->n.sym->attr.pure = 1;
4709 new_expr->symtree->n.sym->attr.referenced = 1;
4710 gfc_intrinsic_symbol(new_expr->symtree->n.sym);
4711 gfc_commit_symbol (new_expr->symtree->n.sym);
4712
4713 *expr = *new_expr;
4714
4715 free (new_expr);
4716 expr->ts = *ts;
4717
4718 if (gfc_is_constant_expr (expr->value.function.actual->expr)
4719 && !do_simplify (sym, expr))
4720 {
4721
4722 if (eflag == 2)
4723 goto bad;
4724 return false; /* Error already generated in do_simplify() */
4725 }
4726
4727 return true;
4728
4729 bad:
4730 if (eflag == 1)
4731 {
4732 gfc_error ("Can't convert %s to %s at %L",
4733 gfc_typename (&from_ts), gfc_typename (ts), &expr->where);
4734 return false;
4735 }
4736
4737 gfc_internal_error ("Can't convert %qs to %qs at %L",
4738 gfc_typename (&from_ts), gfc_typename (ts),
4739 &expr->where);
4740 /* Not reached */
4741 }
4742
4743
4744 bool
4745 gfc_convert_chartype (gfc_expr *expr, gfc_typespec *ts)
4746 {
4747 gfc_intrinsic_sym *sym;
4748 locus old_where;
4749 gfc_expr *new_expr;
4750 int rank;
4751 mpz_t *shape;
4752
4753 gcc_assert (expr->ts.type == BT_CHARACTER && ts->type == BT_CHARACTER);
4754
4755 sym = find_char_conv (&expr->ts, ts);
4756 gcc_assert (sym);
4757
4758 /* Insert a pre-resolved function call to the right function. */
4759 old_where = expr->where;
4760 rank = expr->rank;
4761 shape = expr->shape;
4762
4763 new_expr = gfc_get_expr ();
4764 *new_expr = *expr;
4765
4766 new_expr = gfc_build_conversion (new_expr);
4767 new_expr->value.function.name = sym->lib_name;
4768 new_expr->value.function.isym = sym;
4769 new_expr->where = old_where;
4770 new_expr->rank = rank;
4771 new_expr->shape = gfc_copy_shape (shape, rank);
4772
4773 gfc_get_ha_sym_tree (sym->name, &new_expr->symtree);
4774 new_expr->symtree->n.sym->ts = *ts;
4775 new_expr->symtree->n.sym->attr.flavor = FL_PROCEDURE;
4776 new_expr->symtree->n.sym->attr.function = 1;
4777 new_expr->symtree->n.sym->attr.elemental = 1;
4778 new_expr->symtree->n.sym->attr.referenced = 1;
4779 gfc_intrinsic_symbol(new_expr->symtree->n.sym);
4780 gfc_commit_symbol (new_expr->symtree->n.sym);
4781
4782 *expr = *new_expr;
4783
4784 free (new_expr);
4785 expr->ts = *ts;
4786
4787 if (gfc_is_constant_expr (expr->value.function.actual->expr)
4788 && !do_simplify (sym, expr))
4789 {
4790 /* Error already generated in do_simplify() */
4791 return false;
4792 }
4793
4794 return true;
4795 }
4796
4797
4798 /* Check if the passed name is name of an intrinsic (taking into account the
4799 current -std=* and -fall-intrinsic settings). If it is, see if we should
4800 warn about this as a user-procedure having the same name as an intrinsic
4801 (-Wintrinsic-shadow enabled) and do so if we should. */
4802
4803 void
4804 gfc_warn_intrinsic_shadow (const gfc_symbol* sym, bool in_module, bool func)
4805 {
4806 gfc_intrinsic_sym* isym;
4807
4808 /* If the warning is disabled, do nothing at all. */
4809 if (!warn_intrinsic_shadow)
4810 return;
4811
4812 /* Try to find an intrinsic of the same name. */
4813 if (func)
4814 isym = gfc_find_function (sym->name);
4815 else
4816 isym = gfc_find_subroutine (sym->name);
4817
4818 /* If no intrinsic was found with this name or it's not included in the
4819 selected standard, everything's fine. */
4820 if (!isym || !gfc_check_intrinsic_standard (isym, NULL, true,
4821 sym->declared_at))
4822 return;
4823
4824 /* Emit the warning. */
4825 if (in_module || sym->ns->proc_name)
4826 gfc_warning (OPT_Wintrinsic_shadow,
4827 "%qs declared at %L may shadow the intrinsic of the same"
4828 " name. In order to call the intrinsic, explicit INTRINSIC"
4829 " declarations may be required.",
4830 sym->name, &sym->declared_at);
4831 else
4832 gfc_warning (OPT_Wintrinsic_shadow,
4833 "%qs declared at %L is also the name of an intrinsic. It can"
4834 " only be called via an explicit interface or if declared"
4835 " EXTERNAL.", sym->name, &sym->declared_at);
4836 }
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