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2015-05-22 Pascal Obry <obry@adacore.com>
[official-gcc.git] / gcc / fortran / intrinsic.c
blob1c0c388c5121e234d930257796f4856f5213f662
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 /* Add a symbol to the subroutine ilst where the subroutine takes one
524 printf-style character argument and a variable number of arguments
525 to follow. */
526
527 static void
528 add_sym_1p (const char *name, gfc_isym_id id, enum klass cl, bt type, int kind,
529 int standard, bool (*check) (gfc_actual_arglist *),
530 gfc_expr *(*simplify) (gfc_expr*), void (*resolve) (gfc_code *),
531 const char *a1, bt type1, int kind1, int optional1, sym_intent intent1)
532 {
533 gfc_check_f cf;
534 gfc_simplify_f sf;
535 gfc_resolve_f rf;
536
537 cf.f1m = check;
538 sf.f1 = simplify;
539 rf.s1 = resolve;
540
541 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
542 a1, type1, kind1, optional1, intent1,
543 (void *) 0);
544 }
545
546
547 /* Add a symbol from the MAX/MIN family of intrinsic functions to the
548 function. MAX et al take 2 or more arguments. */
549
550 static void
551 add_sym_1m (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
552 int kind, int standard,
553 bool (*check) (gfc_actual_arglist *),
554 gfc_expr *(*simplify) (gfc_expr *),
555 void (*resolve) (gfc_expr *, gfc_actual_arglist *),
556 const char *a1, bt type1, int kind1, int optional1,
557 const char *a2, bt type2, int kind2, int optional2)
558 {
559 gfc_check_f cf;
560 gfc_simplify_f sf;
561 gfc_resolve_f rf;
562
563 cf.f1m = check;
564 sf.f1 = simplify;
565 rf.f1m = resolve;
566
567 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
568 a1, type1, kind1, optional1, INTENT_IN,
569 a2, type2, kind2, optional2, INTENT_IN,
570 (void *) 0);
571 }
572
573
574 /* Add a symbol to the function list where the function takes
575 2 arguments. */
576
577 static void
578 add_sym_2 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
579 int kind, int standard,
580 bool (*check) (gfc_expr *, gfc_expr *),
581 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *),
582 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *),
583 const char *a1, bt type1, int kind1, int optional1,
584 const char *a2, bt type2, int kind2, int optional2)
585 {
586 gfc_check_f cf;
587 gfc_simplify_f sf;
588 gfc_resolve_f rf;
589
590 cf.f2 = check;
591 sf.f2 = simplify;
592 rf.f2 = resolve;
593
594 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
595 a1, type1, kind1, optional1, INTENT_IN,
596 a2, type2, kind2, optional2, INTENT_IN,
597 (void *) 0);
598 }
599
600
601 /* Add a symbol to the function list where the function takes
602 2 arguments; same as add_sym_2 - but allows to specify the intent. */
603
604 static void
605 add_sym_2_intent (const char *name, gfc_isym_id id, enum klass cl,
606 int actual_ok, bt type, int kind, int standard,
607 bool (*check) (gfc_expr *, gfc_expr *),
608 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *),
609 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *),
610 const char *a1, bt type1, int kind1, int optional1,
611 sym_intent intent1, const char *a2, bt type2, int kind2,
612 int optional2, sym_intent intent2)
613 {
614 gfc_check_f cf;
615 gfc_simplify_f sf;
616 gfc_resolve_f rf;
617
618 cf.f2 = check;
619 sf.f2 = simplify;
620 rf.f2 = resolve;
621
622 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
623 a1, type1, kind1, optional1, intent1,
624 a2, type2, kind2, optional2, intent2,
625 (void *) 0);
626 }
627
628
629 /* Add a symbol to the subroutine list where the subroutine takes
630 2 arguments, specifying the intent of the arguments. */
631
632 static void
633 add_sym_2s (const char *name, gfc_isym_id id, enum klass cl, bt type,
634 int kind, int standard,
635 bool (*check) (gfc_expr *, gfc_expr *),
636 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *),
637 void (*resolve) (gfc_code *),
638 const char *a1, bt type1, int kind1, int optional1,
639 sym_intent intent1, const char *a2, bt type2, int kind2,
640 int optional2, sym_intent intent2)
641 {
642 gfc_check_f cf;
643 gfc_simplify_f sf;
644 gfc_resolve_f rf;
645
646 cf.f2 = check;
647 sf.f2 = simplify;
648 rf.s1 = resolve;
649
650 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
651 a1, type1, kind1, optional1, intent1,
652 a2, type2, kind2, optional2, intent2,
653 (void *) 0);
654 }
655
656
657 /* Add a symbol to the function list where the function takes
658 3 arguments. */
659
660 static void
661 add_sym_3 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
662 int kind, int standard,
663 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *),
664 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
665 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
666 const char *a1, bt type1, int kind1, int optional1,
667 const char *a2, bt type2, int kind2, int optional2,
668 const char *a3, bt type3, int kind3, int optional3)
669 {
670 gfc_check_f cf;
671 gfc_simplify_f sf;
672 gfc_resolve_f rf;
673
674 cf.f3 = check;
675 sf.f3 = simplify;
676 rf.f3 = resolve;
677
678 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
679 a1, type1, kind1, optional1, INTENT_IN,
680 a2, type2, kind2, optional2, INTENT_IN,
681 a3, type3, kind3, optional3, INTENT_IN,
682 (void *) 0);
683 }
684
685
686 /* MINLOC and MAXLOC get special treatment because their argument
687 might have to be reordered. */
688
689 static void
690 add_sym_3ml (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
691 int kind, int standard,
692 bool (*check) (gfc_actual_arglist *),
693 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
694 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
695 const char *a1, bt type1, int kind1, int optional1,
696 const char *a2, bt type2, int kind2, int optional2,
697 const char *a3, bt type3, int kind3, int optional3)
698 {
699 gfc_check_f cf;
700 gfc_simplify_f sf;
701 gfc_resolve_f rf;
702
703 cf.f3ml = check;
704 sf.f3 = simplify;
705 rf.f3 = resolve;
706
707 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
708 a1, type1, kind1, optional1, INTENT_IN,
709 a2, type2, kind2, optional2, INTENT_IN,
710 a3, type3, kind3, optional3, INTENT_IN,
711 (void *) 0);
712 }
713
714
715 /* MINVAL, MAXVAL, PRODUCT, and SUM also get special treatment because
716 their argument also might have to be reordered. */
717
718 static void
719 add_sym_3red (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
720 int kind, int standard,
721 bool (*check) (gfc_actual_arglist *),
722 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
723 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
724 const char *a1, bt type1, int kind1, int optional1,
725 const char *a2, bt type2, int kind2, int optional2,
726 const char *a3, bt type3, int kind3, int optional3)
727 {
728 gfc_check_f cf;
729 gfc_simplify_f sf;
730 gfc_resolve_f rf;
731
732 cf.f3red = check;
733 sf.f3 = simplify;
734 rf.f3 = resolve;
735
736 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
737 a1, type1, kind1, optional1, INTENT_IN,
738 a2, type2, kind2, optional2, INTENT_IN,
739 a3, type3, kind3, optional3, INTENT_IN,
740 (void *) 0);
741 }
742
743
744 /* Add a symbol to the subroutine list where the subroutine takes
745 3 arguments, specifying the intent of the arguments. */
746
747 static void
748 add_sym_3s (const char *name, gfc_isym_id id, enum klass cl, bt type,
749 int kind, int standard,
750 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *),
751 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *),
752 void (*resolve) (gfc_code *),
753 const char *a1, bt type1, int kind1, int optional1,
754 sym_intent intent1, const char *a2, bt type2, int kind2,
755 int optional2, sym_intent intent2, const char *a3, bt type3,
756 int kind3, int optional3, sym_intent intent3)
757 {
758 gfc_check_f cf;
759 gfc_simplify_f sf;
760 gfc_resolve_f rf;
761
762 cf.f3 = check;
763 sf.f3 = simplify;
764 rf.s1 = resolve;
765
766 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
767 a1, type1, kind1, optional1, intent1,
768 a2, type2, kind2, optional2, intent2,
769 a3, type3, kind3, optional3, intent3,
770 (void *) 0);
771 }
772
773
774 /* Add a symbol to the function list where the function takes
775 4 arguments. */
776
777 static void
778 add_sym_4 (const char *name, gfc_isym_id id, enum klass cl, int actual_ok, bt type,
779 int kind, int standard,
780 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
781 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *,
782 gfc_expr *),
783 void (*resolve) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
784 gfc_expr *),
785 const char *a1, bt type1, int kind1, int optional1,
786 const char *a2, bt type2, int kind2, int optional2,
787 const char *a3, bt type3, int kind3, int optional3,
788 const char *a4, bt type4, int kind4, int optional4 )
789 {
790 gfc_check_f cf;
791 gfc_simplify_f sf;
792 gfc_resolve_f rf;
793
794 cf.f4 = check;
795 sf.f4 = simplify;
796 rf.f4 = resolve;
797
798 add_sym (name, id, cl, actual_ok, type, kind, standard, cf, sf, rf,
799 a1, type1, kind1, optional1, INTENT_IN,
800 a2, type2, kind2, optional2, INTENT_IN,
801 a3, type3, kind3, optional3, INTENT_IN,
802 a4, type4, kind4, optional4, INTENT_IN,
803 (void *) 0);
804 }
805
806
807 /* Add a symbol to the subroutine list where the subroutine takes
808 4 arguments. */
809
810 static void
811 add_sym_4s (const char *name, gfc_isym_id id, enum klass cl, bt type, int kind,
812 int standard,
813 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *),
814 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *,
815 gfc_expr *),
816 void (*resolve) (gfc_code *),
817 const char *a1, bt type1, int kind1, int optional1,
818 sym_intent intent1, const char *a2, bt type2, int kind2,
819 int optional2, sym_intent intent2, const char *a3, bt type3,
820 int kind3, int optional3, sym_intent intent3, const char *a4,
821 bt type4, int kind4, int optional4, sym_intent intent4)
822 {
823 gfc_check_f cf;
824 gfc_simplify_f sf;
825 gfc_resolve_f rf;
826
827 cf.f4 = check;
828 sf.f4 = simplify;
829 rf.s1 = resolve;
830
831 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
832 a1, type1, kind1, optional1, intent1,
833 a2, type2, kind2, optional2, intent2,
834 a3, type3, kind3, optional3, intent3,
835 a4, type4, kind4, optional4, intent4,
836 (void *) 0);
837 }
838
839
840 /* Add a symbol to the subroutine list where the subroutine takes
841 5 arguments. */
842
843 static void
844 add_sym_5s (const char *name, gfc_isym_id id, enum klass cl, bt type, int kind,
845 int standard,
846 bool (*check) (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
847 gfc_expr *),
848 gfc_expr *(*simplify) (gfc_expr *, gfc_expr *, gfc_expr *,
849 gfc_expr *, gfc_expr *),
850 void (*resolve) (gfc_code *),
851 const char *a1, bt type1, int kind1, int optional1,
852 sym_intent intent1, const char *a2, bt type2, int kind2,
853 int optional2, sym_intent intent2, const char *a3, bt type3,
854 int kind3, int optional3, sym_intent intent3, const char *a4,
855 bt type4, int kind4, int optional4, sym_intent intent4,
856 const char *a5, bt type5, int kind5, int optional5,
857 sym_intent intent5)
858 {
859 gfc_check_f cf;
860 gfc_simplify_f sf;
861 gfc_resolve_f rf;
862
863 cf.f5 = check;
864 sf.f5 = simplify;
865 rf.s1 = resolve;
866
867 add_sym (name, id, cl, ACTUAL_NO, type, kind, standard, cf, sf, rf,
868 a1, type1, kind1, optional1, intent1,
869 a2, type2, kind2, optional2, intent2,
870 a3, type3, kind3, optional3, intent3,
871 a4, type4, kind4, optional4, intent4,
872 a5, type5, kind5, optional5, intent5,
873 (void *) 0);
874 }
875
876
877 /* Locate an intrinsic symbol given a base pointer, number of elements
878 in the table and a pointer to a name. Returns the NULL pointer if
879 a name is not found. */
880
881 static gfc_intrinsic_sym *
882 find_sym (gfc_intrinsic_sym *start, int n, const char *name)
883 {
884 /* name may be a user-supplied string, so we must first make sure
885 that we're comparing against a pointer into the global string
886 table. */
887 const char *p = gfc_get_string (name);
888
889 while (n > 0)
890 {
891 if (p == start->name)
892 return start;
893
894 start++;
895 n--;
896 }
897
898 return NULL;
899 }
900
901
902 gfc_isym_id
903 gfc_isym_id_by_intmod (intmod_id from_intmod, int intmod_sym_id)
904 {
905 if (from_intmod == INTMOD_NONE)
906 return (gfc_isym_id) intmod_sym_id;
907 else if (from_intmod == INTMOD_ISO_C_BINDING)
908 return (gfc_isym_id) c_interop_kinds_table[intmod_sym_id].value;
909 else if (from_intmod == INTMOD_ISO_FORTRAN_ENV)
910 switch (intmod_sym_id)
911 {
912 #define NAMED_SUBROUTINE(a,b,c,d) \
913 case a: \
914 return (gfc_isym_id) c;
915 #define NAMED_FUNCTION(a,b,c,d) \
916 case a: \
917 return (gfc_isym_id) c;
918 #include "iso-fortran-env.def"
919 default:
920 gcc_unreachable ();
921 }
922 else
923 gcc_unreachable ();
924 return (gfc_isym_id) 0;
925 }
926
927
928 gfc_isym_id
929 gfc_isym_id_by_intmod_sym (gfc_symbol *sym)
930 {
931 return gfc_isym_id_by_intmod (sym->from_intmod, sym->intmod_sym_id);
932 }
933
934
935 gfc_intrinsic_sym *
936 gfc_intrinsic_subroutine_by_id (gfc_isym_id id)
937 {
938 gfc_intrinsic_sym *start = subroutines;
939 int n = nsub;
940
941 while (true)
942 {
943 gcc_assert (n > 0);
944 if (id == start->id)
945 return start;
946
947 start++;
948 n--;
949 }
950 }
951
952
953 gfc_intrinsic_sym *
954 gfc_intrinsic_function_by_id (gfc_isym_id id)
955 {
956 gfc_intrinsic_sym *start = functions;
957 int n = nfunc;
958
959 while (true)
960 {
961 gcc_assert (n > 0);
962 if (id == start->id)
963 return start;
964
965 start++;
966 n--;
967 }
968 }
969
970
971 /* Given a name, find a function in the intrinsic function table.
972 Returns NULL if not found. */
973
974 gfc_intrinsic_sym *
975 gfc_find_function (const char *name)
976 {
977 gfc_intrinsic_sym *sym;
978
979 sym = find_sym (functions, nfunc, name);
980 if (!sym || sym->from_module)
981 sym = find_sym (conversion, nconv, name);
982
983 return (!sym || sym->from_module) ? NULL : sym;
984 }
985
986
987 /* Given a name, find a function in the intrinsic subroutine table.
988 Returns NULL if not found. */
989
990 gfc_intrinsic_sym *
991 gfc_find_subroutine (const char *name)
992 {
993 gfc_intrinsic_sym *sym;
994 sym = find_sym (subroutines, nsub, name);
995 return (!sym || sym->from_module) ? NULL : sym;
996 }
997
998
999 /* Given a string, figure out if it is the name of a generic intrinsic
1000 function or not. */
1001
1002 int
1003 gfc_generic_intrinsic (const char *name)
1004 {
1005 gfc_intrinsic_sym *sym;
1006
1007 sym = gfc_find_function (name);
1008 return (!sym || sym->from_module) ? 0 : sym->generic;
1009 }
1010
1011
1012 /* Given a string, figure out if it is the name of a specific
1013 intrinsic function or not. */
1014
1015 int
1016 gfc_specific_intrinsic (const char *name)
1017 {
1018 gfc_intrinsic_sym *sym;
1019
1020 sym = gfc_find_function (name);
1021 return (!sym || sym->from_module) ? 0 : sym->specific;
1022 }
1023
1024
1025 /* Given a string, figure out if it is the name of an intrinsic function
1026 or subroutine allowed as an actual argument or not. */
1027 int
1028 gfc_intrinsic_actual_ok (const char *name, const bool subroutine_flag)
1029 {
1030 gfc_intrinsic_sym *sym;
1031
1032 /* Intrinsic subroutines are not allowed as actual arguments. */
1033 if (subroutine_flag)
1034 return 0;
1035 else
1036 {
1037 sym = gfc_find_function (name);
1038 return (sym == NULL) ? 0 : sym->actual_ok;
1039 }
1040 }
1041
1042
1043 /* Given a symbol, find out if it is (and is to be treated as) an intrinsic.
1044 If its name refers to an intrinsic, but this intrinsic is not included in
1045 the selected standard, this returns FALSE and sets the symbol's external
1046 attribute. */
1047
1048 bool
1049 gfc_is_intrinsic (gfc_symbol* sym, int subroutine_flag, locus loc)
1050 {
1051 gfc_intrinsic_sym* isym;
1052 const char* symstd;
1053
1054 /* If INTRINSIC attribute is already known, return. */
1055 if (sym->attr.intrinsic)
1056 return true;
1057
1058 /* Check for attributes which prevent the symbol from being INTRINSIC. */
1059 if (sym->attr.external || sym->attr.contained
1060 || sym->attr.if_source == IFSRC_IFBODY)
1061 return false;
1062
1063 if (subroutine_flag)
1064 isym = gfc_find_subroutine (sym->name);
1065 else
1066 isym = gfc_find_function (sym->name);
1067
1068 /* No such intrinsic available at all? */
1069 if (!isym)
1070 return false;
1071
1072 /* See if this intrinsic is allowed in the current standard. */
1073 if (!gfc_check_intrinsic_standard (isym, &symstd, false, loc)
1074 && !sym->attr.artificial)
1075 {
1076 if (sym->attr.proc == PROC_UNKNOWN && warn_intrinsics_std)
1077 gfc_warning_now (OPT_Wintrinsics_std, "The intrinsic %qs at %L is not "
1078 "included in the selected standard but %s and %qs will"
1079 " be treated as if declared EXTERNAL. Use an"
1080 " appropriate -std=* option or define"
1081 " -fall-intrinsics to allow this intrinsic.",
1082 sym->name, &loc, symstd, sym->name);
1083
1084 return false;
1085 }
1086
1087 return true;
1088 }
1089
1090
1091 /* Collect a set of intrinsic functions into a generic collection.
1092 The first argument is the name of the generic function, which is
1093 also the name of a specific function. The rest of the specifics
1094 currently in the table are placed into the list of specific
1095 functions associated with that generic.
1096
1097 PR fortran/32778
1098 FIXME: Remove the argument STANDARD if no regressions are
1099 encountered. Change all callers (approx. 360).
1100 */
1101
1102 static void
1103 make_generic (const char *name, gfc_isym_id id, int standard ATTRIBUTE_UNUSED)
1104 {
1105 gfc_intrinsic_sym *g;
1106
1107 if (sizing != SZ_NOTHING)
1108 return;
1109
1110 g = gfc_find_function (name);
1111 if (g == NULL)
1112 gfc_internal_error ("make_generic(): Can't find generic symbol %qs",
1113 name);
1114
1115 gcc_assert (g->id == id);
1116
1117 g->generic = 1;
1118 g->specific = 1;
1119 if ((g + 1)->name != NULL)
1120 g->specific_head = g + 1;
1121 g++;
1122
1123 while (g->name != NULL)
1124 {
1125 g->next = g + 1;
1126 g->specific = 1;
1127 g++;
1128 }
1129
1130 g--;
1131 g->next = NULL;
1132 }
1133
1134
1135 /* Create a duplicate intrinsic function entry for the current
1136 function, the only differences being the alternate name and
1137 a different standard if necessary. Note that we use argument
1138 lists more than once, but all argument lists are freed as a
1139 single block. */
1140
1141 static void
1142 make_alias (const char *name, int standard)
1143 {
1144 switch (sizing)
1145 {
1146 case SZ_FUNCS:
1147 nfunc++;
1148 break;
1149
1150 case SZ_SUBS:
1151 nsub++;
1152 break;
1153
1154 case SZ_NOTHING:
1155 next_sym[0] = next_sym[-1];
1156 next_sym->name = gfc_get_string (name);
1157 next_sym->standard = standard;
1158 next_sym++;
1159 break;
1160
1161 default:
1162 break;
1163 }
1164 }
1165
1166
1167 /* Make the current subroutine noreturn. */
1168
1169 static void
1170 make_noreturn (void)
1171 {
1172 if (sizing == SZ_NOTHING)
1173 next_sym[-1].noreturn = 1;
1174 }
1175
1176
1177 /* Mark current intrinsic as module intrinsic. */
1178 static void
1179 make_from_module (void)
1180 {
1181 if (sizing == SZ_NOTHING)
1182 next_sym[-1].from_module = 1;
1183 }
1184
1185
1186 /* Mark the current subroutine as having a variable number of
1187 arguments. */
1188
1189 static void
1190 make_vararg (void)
1191 {
1192 if (sizing == SZ_NOTHING)
1193 next_sym[-1].vararg = 1;
1194 }
1195
1196 /* Set the attr.value of the current procedure. */
1197
1198 static void
1199 set_attr_value (int n, ...)
1200 {
1201 gfc_intrinsic_arg *arg;
1202 va_list argp;
1203 int i;
1204
1205 if (sizing != SZ_NOTHING)
1206 return;
1207
1208 va_start (argp, n);
1209 arg = next_sym[-1].formal;
1210
1211 for (i = 0; i < n; i++)
1212 {
1213 gcc_assert (arg != NULL);
1214 arg->value = va_arg (argp, int);
1215 arg = arg->next;
1216 }
1217 va_end (argp);
1218 }
1219
1220
1221 /* Add intrinsic functions. */
1222
1223 static void
1224 add_functions (void)
1225 {
1226 /* Argument names as in the standard (to be used as argument keywords). */
1227 const char
1228 *a = "a", *f = "field", *pt = "pointer", *tg = "target",
1229 *b = "b", *m = "matrix", *ma = "matrix_a", *mb = "matrix_b",
1230 *c = "c", *n = "n", *ncopies= "ncopies", *pos = "pos", *bck = "back",
1231 *i = "i", *v = "vector", *va = "vector_a", *vb = "vector_b",
1232 *j = "j", *a1 = "a1", *fs = "fsource", *ts = "tsource",
1233 *l = "l", *a2 = "a2", *mo = "mold", *ord = "order",
1234 *p = "p", *ar = "array", *shp = "shape", *src = "source",
1235 *r = "r", *bd = "boundary", *pad = "pad", *set = "set",
1236 *s = "s", *dm = "dim", *kind = "kind", *msk = "mask",
1237 *x = "x", *sh = "shift", *stg = "string", *ssg = "substring",
1238 *y = "y", *sz = "size", *sta = "string_a", *stb = "string_b",
1239 *z = "z", *ln = "len", *ut = "unit", *han = "handler",
1240 *num = "number", *tm = "time", *nm = "name", *md = "mode",
1241 *vl = "values", *p1 = "path1", *p2 = "path2", *com = "command",
1242 *ca = "coarray", *sub = "sub", *dist = "distance", *failed="failed";
1243
1244 int di, dr, dd, dl, dc, dz, ii;
1245
1246 di = gfc_default_integer_kind;
1247 dr = gfc_default_real_kind;
1248 dd = gfc_default_double_kind;
1249 dl = gfc_default_logical_kind;
1250 dc = gfc_default_character_kind;
1251 dz = gfc_default_complex_kind;
1252 ii = gfc_index_integer_kind;
1253
1254 add_sym_1 ("abs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1255 gfc_check_abs, gfc_simplify_abs, gfc_resolve_abs,
1256 a, BT_REAL, dr, REQUIRED);
1257
1258 add_sym_1 ("iabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
1259 NULL, gfc_simplify_abs, gfc_resolve_abs,
1260 a, BT_INTEGER, di, REQUIRED);
1261
1262 add_sym_1 ("dabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1263 gfc_check_fn_d, gfc_simplify_abs, gfc_resolve_abs,
1264 a, BT_REAL, dd, REQUIRED);
1265
1266 add_sym_1 ("cabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1267 NULL, gfc_simplify_abs, gfc_resolve_abs,
1268 a, BT_COMPLEX, dz, REQUIRED);
1269
1270 add_sym_1 ("zabs", GFC_ISYM_ABS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1271 NULL, gfc_simplify_abs, gfc_resolve_abs,
1272 a, BT_COMPLEX, dd, REQUIRED);
1273
1274 make_alias ("cdabs", GFC_STD_GNU);
1275
1276 make_generic ("abs", GFC_ISYM_ABS, GFC_STD_F77);
1277
1278 /* The checking function for ACCESS is called gfc_check_access_func
1279 because the name gfc_check_access is already used in module.c. */
1280 add_sym_2 ("access", GFC_ISYM_ACCESS, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1281 di, GFC_STD_GNU, gfc_check_access_func, NULL, gfc_resolve_access,
1282 nm, BT_CHARACTER, dc, REQUIRED, md, BT_CHARACTER, dc, REQUIRED);
1283
1284 make_generic ("access", GFC_ISYM_ACCESS, GFC_STD_GNU);
1285
1286 add_sym_2 ("achar", GFC_ISYM_ACHAR, CLASS_ELEMENTAL, ACTUAL_NO,
1287 BT_CHARACTER, dc, GFC_STD_F95,
1288 gfc_check_achar, gfc_simplify_achar, gfc_resolve_achar,
1289 i, BT_INTEGER, di, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1290
1291 make_generic ("achar", GFC_ISYM_ACHAR, GFC_STD_F95);
1292
1293 add_sym_1 ("acos", GFC_ISYM_ACOS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1294 gfc_check_fn_rc2008, gfc_simplify_acos, gfc_resolve_acos,
1295 x, BT_REAL, dr, REQUIRED);
1296
1297 add_sym_1 ("dacos", GFC_ISYM_ACOS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1298 gfc_check_fn_d, gfc_simplify_acos, gfc_resolve_acos,
1299 x, BT_REAL, dd, REQUIRED);
1300
1301 make_generic ("acos", GFC_ISYM_ACOS, GFC_STD_F77);
1302
1303 add_sym_1 ("acosh", GFC_ISYM_ACOSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr,
1304 GFC_STD_F2008, gfc_check_fn_rc2008, gfc_simplify_acosh,
1305 gfc_resolve_acosh, x, BT_REAL, dr, REQUIRED);
1306
1307 add_sym_1 ("dacosh", GFC_ISYM_ACOSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1308 gfc_check_fn_d, gfc_simplify_acosh, gfc_resolve_acosh,
1309 x, BT_REAL, dd, REQUIRED);
1310
1311 make_generic ("acosh", GFC_ISYM_ACOSH, GFC_STD_F2008);
1312
1313 add_sym_1 ("adjustl", GFC_ISYM_ADJUSTL, CLASS_ELEMENTAL, ACTUAL_NO,
1314 BT_CHARACTER, dc, GFC_STD_F95, NULL, gfc_simplify_adjustl,
1315 gfc_resolve_adjustl, stg, BT_CHARACTER, 0, REQUIRED);
1316
1317 make_generic ("adjustl", GFC_ISYM_ADJUSTL, GFC_STD_F95);
1318
1319 add_sym_1 ("adjustr", GFC_ISYM_ADJUSTR, CLASS_ELEMENTAL, ACTUAL_NO,
1320 BT_CHARACTER, dc, GFC_STD_F95, NULL, gfc_simplify_adjustr,
1321 gfc_resolve_adjustr, stg, BT_CHARACTER, 0, REQUIRED);
1322
1323 make_generic ("adjustr", GFC_ISYM_ADJUSTR, GFC_STD_F95);
1324
1325 add_sym_1 ("aimag", GFC_ISYM_AIMAG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1326 gfc_check_fn_c, gfc_simplify_aimag, gfc_resolve_aimag,
1327 z, BT_COMPLEX, dz, REQUIRED);
1328
1329 make_alias ("imag", GFC_STD_GNU);
1330 make_alias ("imagpart", GFC_STD_GNU);
1331
1332 add_sym_1 ("dimag", GFC_ISYM_AIMAG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1333 NULL, gfc_simplify_aimag, gfc_resolve_aimag,
1334 z, BT_COMPLEX, dd, REQUIRED);
1335
1336 make_generic ("aimag", GFC_ISYM_AIMAG, GFC_STD_F77);
1337
1338 add_sym_2 ("aint", GFC_ISYM_AINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1339 gfc_check_a_xkind, gfc_simplify_aint, gfc_resolve_aint,
1340 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1341
1342 add_sym_1 ("dint", GFC_ISYM_AINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1343 NULL, gfc_simplify_dint, gfc_resolve_dint,
1344 a, BT_REAL, dd, REQUIRED);
1345
1346 make_generic ("aint", GFC_ISYM_AINT, GFC_STD_F77);
1347
1348 add_sym_2 ("all", GFC_ISYM_ALL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1349 gfc_check_all_any, gfc_simplify_all, gfc_resolve_all,
1350 msk, BT_LOGICAL, dl, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL);
1351
1352 make_generic ("all", GFC_ISYM_ALL, GFC_STD_F95);
1353
1354 add_sym_1 ("allocated", GFC_ISYM_ALLOCATED, CLASS_INQUIRY, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1355 gfc_check_allocated, NULL, NULL,
1356 ar, BT_UNKNOWN, 0, REQUIRED);
1357
1358 make_generic ("allocated", GFC_ISYM_ALLOCATED, GFC_STD_F95);
1359
1360 add_sym_2 ("anint", GFC_ISYM_ANINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1361 gfc_check_a_xkind, gfc_simplify_anint, gfc_resolve_anint,
1362 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1363
1364 add_sym_1 ("dnint", GFC_ISYM_ANINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1365 NULL, gfc_simplify_dnint, gfc_resolve_dnint,
1366 a, BT_REAL, dd, REQUIRED);
1367
1368 make_generic ("anint", GFC_ISYM_ANINT, GFC_STD_F77);
1369
1370 add_sym_2 ("any", GFC_ISYM_ANY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1371 gfc_check_all_any, gfc_simplify_any, gfc_resolve_any,
1372 msk, BT_LOGICAL, dl, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL);
1373
1374 make_generic ("any", GFC_ISYM_ANY, GFC_STD_F95);
1375
1376 add_sym_1 ("asin", GFC_ISYM_ASIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1377 gfc_check_fn_rc2008, gfc_simplify_asin, gfc_resolve_asin,
1378 x, BT_REAL, dr, REQUIRED);
1379
1380 add_sym_1 ("dasin", GFC_ISYM_ASIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1381 gfc_check_fn_d, gfc_simplify_asin, gfc_resolve_asin,
1382 x, BT_REAL, dd, REQUIRED);
1383
1384 make_generic ("asin", GFC_ISYM_ASIN, GFC_STD_F77);
1385
1386 add_sym_1 ("asinh", GFC_ISYM_ASINH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr,
1387 GFC_STD_F2008, gfc_check_fn_rc2008, gfc_simplify_asinh,
1388 gfc_resolve_asinh, x, BT_REAL, dr, REQUIRED);
1389
1390 add_sym_1 ("dasinh", GFC_ISYM_ASINH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1391 gfc_check_fn_d, gfc_simplify_asinh, gfc_resolve_asinh,
1392 x, BT_REAL, dd, REQUIRED);
1393
1394 make_generic ("asinh", GFC_ISYM_ASINH, GFC_STD_F2008);
1395
1396 add_sym_2 ("associated", GFC_ISYM_ASSOCIATED, CLASS_INQUIRY, ACTUAL_NO, BT_LOGICAL, dl,
1397 GFC_STD_F95, gfc_check_associated, NULL, NULL,
1398 pt, BT_UNKNOWN, 0, REQUIRED, tg, BT_UNKNOWN, 0, OPTIONAL);
1399
1400 make_generic ("associated", GFC_ISYM_ASSOCIATED, GFC_STD_F95);
1401
1402 add_sym_1 ("atan", GFC_ISYM_ATAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1403 gfc_check_fn_rc2008, gfc_simplify_atan, gfc_resolve_atan,
1404 x, BT_REAL, dr, REQUIRED);
1405
1406 add_sym_1 ("datan", GFC_ISYM_ATAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1407 gfc_check_fn_d, gfc_simplify_atan, gfc_resolve_atan,
1408 x, BT_REAL, dd, REQUIRED);
1409
1410 /* Two-argument version of atan, equivalent to atan2. */
1411 add_sym_2 ("atan", GFC_ISYM_ATAN2, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F2008,
1412 gfc_check_atan_2, gfc_simplify_atan2, gfc_resolve_atan2,
1413 y, BT_REAL, dr, REQUIRED, x, BT_REAL, dr, REQUIRED);
1414
1415 make_generic ("atan", GFC_ISYM_ATAN, GFC_STD_F77);
1416
1417 add_sym_1 ("atanh", GFC_ISYM_ATANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr,
1418 GFC_STD_F2008, gfc_check_fn_rc2008, gfc_simplify_atanh,
1419 gfc_resolve_atanh, x, BT_REAL, dr, REQUIRED);
1420
1421 add_sym_1 ("datanh", GFC_ISYM_ATANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_GNU,
1422 gfc_check_fn_d, gfc_simplify_atanh, gfc_resolve_atanh,
1423 x, BT_REAL, dd, REQUIRED);
1424
1425 make_generic ("atanh", GFC_ISYM_ATANH, GFC_STD_F2008);
1426
1427 add_sym_2 ("atan2", GFC_ISYM_ATAN2, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1428 gfc_check_atan2, gfc_simplify_atan2, gfc_resolve_atan2,
1429 y, BT_REAL, dr, REQUIRED, x, BT_REAL, dr, REQUIRED);
1430
1431 add_sym_2 ("datan2", GFC_ISYM_ATAN2, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1432 gfc_check_datan2, gfc_simplify_atan2, gfc_resolve_atan2,
1433 y, BT_REAL, dd, REQUIRED, x, BT_REAL, dd, REQUIRED);
1434
1435 make_generic ("atan2", GFC_ISYM_ATAN2, GFC_STD_F77);
1436
1437 /* Bessel and Neumann functions for G77 compatibility. */
1438 add_sym_1 ("besj0", GFC_ISYM_J0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1439 gfc_check_fn_r, gfc_simplify_bessel_j0, gfc_resolve_g77_math1,
1440 x, BT_REAL, dr, REQUIRED);
1441
1442 make_alias ("bessel_j0", GFC_STD_F2008);
1443
1444 add_sym_1 ("dbesj0", GFC_ISYM_J0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1445 gfc_check_fn_d, gfc_simplify_bessel_j0, gfc_resolve_g77_math1,
1446 x, BT_REAL, dd, REQUIRED);
1447
1448 make_generic ("bessel_j0", GFC_ISYM_J0, GFC_STD_F2008);
1449
1450 add_sym_1 ("besj1", GFC_ISYM_J1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1451 gfc_check_fn_r, gfc_simplify_bessel_j1, gfc_resolve_g77_math1,
1452 x, BT_REAL, dr, REQUIRED);
1453
1454 make_alias ("bessel_j1", GFC_STD_F2008);
1455
1456 add_sym_1 ("dbesj1", GFC_ISYM_J1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1457 gfc_check_fn_d, gfc_simplify_bessel_j1, gfc_resolve_g77_math1,
1458 x, BT_REAL, dd, REQUIRED);
1459
1460 make_generic ("bessel_j1", GFC_ISYM_J1, GFC_STD_F2008);
1461
1462 add_sym_2 ("besjn", GFC_ISYM_JN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1463 gfc_check_besn, gfc_simplify_bessel_jn, gfc_resolve_besn,
1464 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dr, REQUIRED);
1465
1466 make_alias ("bessel_jn", GFC_STD_F2008);
1467
1468 add_sym_2 ("dbesjn", GFC_ISYM_JN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1469 gfc_check_besn, gfc_simplify_bessel_jn, gfc_resolve_besn,
1470 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dd, REQUIRED);
1471
1472 add_sym_3 ("bessel_jn", GFC_ISYM_JN2, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1473 gfc_check_bessel_n2, gfc_simplify_bessel_jn2, gfc_resolve_bessel_n2,
1474 "n1", BT_INTEGER, di, REQUIRED,"n2", BT_INTEGER, di, REQUIRED,
1475 x, BT_REAL, dr, REQUIRED);
1476 set_attr_value (3, true, true, true);
1477
1478 make_generic ("bessel_jn", GFC_ISYM_JN, GFC_STD_F2008);
1479
1480 add_sym_1 ("besy0", GFC_ISYM_Y0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1481 gfc_check_fn_r, gfc_simplify_bessel_y0, gfc_resolve_g77_math1,
1482 x, BT_REAL, dr, REQUIRED);
1483
1484 make_alias ("bessel_y0", GFC_STD_F2008);
1485
1486 add_sym_1 ("dbesy0", GFC_ISYM_Y0, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1487 gfc_check_fn_d, gfc_simplify_bessel_y0, gfc_resolve_g77_math1,
1488 x, BT_REAL, dd, REQUIRED);
1489
1490 make_generic ("bessel_y0", GFC_ISYM_Y0, GFC_STD_F2008);
1491
1492 add_sym_1 ("besy1", GFC_ISYM_Y1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1493 gfc_check_fn_r, gfc_simplify_bessel_y1, gfc_resolve_g77_math1,
1494 x, BT_REAL, dr, REQUIRED);
1495
1496 make_alias ("bessel_y1", GFC_STD_F2008);
1497
1498 add_sym_1 ("dbesy1", GFC_ISYM_Y1, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1499 gfc_check_fn_d, gfc_simplify_bessel_y1, gfc_resolve_g77_math1,
1500 x, BT_REAL, dd, REQUIRED);
1501
1502 make_generic ("bessel_y1", GFC_ISYM_Y1, GFC_STD_F2008);
1503
1504 add_sym_2 ("besyn", GFC_ISYM_YN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1505 gfc_check_besn, gfc_simplify_bessel_yn, gfc_resolve_besn,
1506 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dr, REQUIRED);
1507
1508 make_alias ("bessel_yn", GFC_STD_F2008);
1509
1510 add_sym_2 ("dbesyn", GFC_ISYM_YN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
1511 gfc_check_besn, gfc_simplify_bessel_yn, gfc_resolve_besn,
1512 n, BT_INTEGER, di, REQUIRED, x, BT_REAL, dd, REQUIRED);
1513
1514 add_sym_3 ("bessel_yn", GFC_ISYM_YN2, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1515 gfc_check_bessel_n2, gfc_simplify_bessel_yn2, gfc_resolve_bessel_n2,
1516 "n1", BT_INTEGER, di, REQUIRED,"n2", BT_INTEGER, di, REQUIRED,
1517 x, BT_REAL, dr, REQUIRED);
1518 set_attr_value (3, true, true, true);
1519
1520 make_generic ("bessel_yn", GFC_ISYM_YN, GFC_STD_F2008);
1521
1522 add_sym_2 ("bge", GFC_ISYM_BGE, CLASS_ELEMENTAL, ACTUAL_NO,
1523 BT_LOGICAL, dl, GFC_STD_F2008,
1524 gfc_check_bge_bgt_ble_blt, gfc_simplify_bge, NULL,
1525 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1526
1527 make_generic ("bge", GFC_ISYM_BGE, GFC_STD_F2008);
1528
1529 add_sym_2 ("bgt", GFC_ISYM_BGT, CLASS_ELEMENTAL, ACTUAL_NO,
1530 BT_LOGICAL, dl, GFC_STD_F2008,
1531 gfc_check_bge_bgt_ble_blt, gfc_simplify_bgt, NULL,
1532 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1533
1534 make_generic ("bgt", GFC_ISYM_BGT, GFC_STD_F2008);
1535
1536 add_sym_1 ("bit_size", GFC_ISYM_BIT_SIZE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1537 gfc_check_i, gfc_simplify_bit_size, NULL,
1538 i, BT_INTEGER, di, REQUIRED);
1539
1540 make_generic ("bit_size", GFC_ISYM_BIT_SIZE, GFC_STD_F95);
1541
1542 add_sym_2 ("ble", GFC_ISYM_BLE, CLASS_ELEMENTAL, ACTUAL_NO,
1543 BT_LOGICAL, dl, GFC_STD_F2008,
1544 gfc_check_bge_bgt_ble_blt, gfc_simplify_ble, NULL,
1545 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1546
1547 make_generic ("ble", GFC_ISYM_BLE, GFC_STD_F2008);
1548
1549 add_sym_2 ("blt", GFC_ISYM_BLT, CLASS_ELEMENTAL, ACTUAL_NO,
1550 BT_LOGICAL, dl, GFC_STD_F2008,
1551 gfc_check_bge_bgt_ble_blt, gfc_simplify_blt, NULL,
1552 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1553
1554 make_generic ("blt", GFC_ISYM_BLT, GFC_STD_F2008);
1555
1556 add_sym_2 ("btest", GFC_ISYM_BTEST, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
1557 gfc_check_bitfcn, gfc_simplify_btest, gfc_resolve_btest,
1558 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED);
1559
1560 make_generic ("btest", GFC_ISYM_BTEST, GFC_STD_F95);
1561
1562 add_sym_2 ("ceiling", GFC_ISYM_CEILING, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1563 gfc_check_a_ikind, gfc_simplify_ceiling, gfc_resolve_ceiling,
1564 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1565
1566 make_generic ("ceiling", GFC_ISYM_CEILING, GFC_STD_F95);
1567
1568 add_sym_2 ("char", GFC_ISYM_CHAR, CLASS_ELEMENTAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F77,
1569 gfc_check_char, gfc_simplify_char, gfc_resolve_char,
1570 i, BT_INTEGER, di, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1571
1572 make_generic ("char", GFC_ISYM_CHAR, GFC_STD_F77);
1573
1574 add_sym_1 ("chdir", GFC_ISYM_CHDIR, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
1575 GFC_STD_GNU, gfc_check_chdir, NULL, gfc_resolve_chdir,
1576 nm, BT_CHARACTER, dc, REQUIRED);
1577
1578 make_generic ("chdir", GFC_ISYM_CHDIR, GFC_STD_GNU);
1579
1580 add_sym_2 ("chmod", GFC_ISYM_CHMOD, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1581 di, GFC_STD_GNU, gfc_check_chmod, NULL, gfc_resolve_chmod,
1582 nm, BT_CHARACTER, dc, REQUIRED, md, BT_CHARACTER, dc, REQUIRED);
1583
1584 make_generic ("chmod", GFC_ISYM_CHMOD, GFC_STD_GNU);
1585
1586 add_sym_3 ("cmplx", GFC_ISYM_CMPLX, CLASS_ELEMENTAL, ACTUAL_NO, BT_COMPLEX, dz, GFC_STD_F77,
1587 gfc_check_cmplx, gfc_simplify_cmplx, gfc_resolve_cmplx,
1588 x, BT_UNKNOWN, dr, REQUIRED, y, BT_UNKNOWN, dr, OPTIONAL,
1589 kind, BT_INTEGER, di, OPTIONAL);
1590
1591 make_generic ("cmplx", GFC_ISYM_CMPLX, GFC_STD_F77);
1592
1593 add_sym_0 ("command_argument_count", GFC_ISYM_COMMAND_ARGUMENT_COUNT, CLASS_INQUIRY,
1594 ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2003, NULL, NULL, NULL);
1595
1596 make_generic ("command_argument_count", GFC_ISYM_COMMAND_ARGUMENT_COUNT,
1597 GFC_STD_F2003);
1598
1599 add_sym_2 ("complex", GFC_ISYM_COMPLEX, CLASS_ELEMENTAL, ACTUAL_NO, BT_COMPLEX, dz, GFC_STD_GNU,
1600 gfc_check_complex, gfc_simplify_complex, gfc_resolve_complex,
1601 x, BT_UNKNOWN, dr, REQUIRED, y, BT_UNKNOWN, dr, REQUIRED);
1602
1603 make_generic ("complex", GFC_ISYM_COMPLEX, GFC_STD_GNU);
1604
1605 /* Making dcmplx a specific of cmplx causes cmplx to return a double
1606 complex instead of the default complex. */
1607
1608 add_sym_2 ("dcmplx", GFC_ISYM_CMPLX, CLASS_ELEMENTAL, ACTUAL_NO, BT_COMPLEX, dd, GFC_STD_GNU,
1609 gfc_check_dcmplx, gfc_simplify_dcmplx, gfc_resolve_dcmplx,
1610 x, BT_REAL, dd, REQUIRED, y, BT_REAL, dd, OPTIONAL);
1611
1612 make_generic ("dcmplx", GFC_ISYM_CMPLX, GFC_STD_GNU);
1613
1614 add_sym_1 ("conjg", GFC_ISYM_CONJG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
1615 gfc_check_fn_c, gfc_simplify_conjg, gfc_resolve_conjg,
1616 z, BT_COMPLEX, dz, REQUIRED);
1617
1618 add_sym_1 ("dconjg", GFC_ISYM_CONJG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
1619 NULL, gfc_simplify_conjg, gfc_resolve_conjg,
1620 z, BT_COMPLEX, dd, REQUIRED);
1621
1622 make_generic ("conjg", GFC_ISYM_CONJG, GFC_STD_F77);
1623
1624 add_sym_1 ("cos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1625 gfc_check_fn_rc, gfc_simplify_cos, gfc_resolve_cos,
1626 x, BT_REAL, dr, REQUIRED);
1627
1628 add_sym_1 ("dcos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1629 gfc_check_fn_d, gfc_simplify_cos, gfc_resolve_cos,
1630 x, BT_REAL, dd, REQUIRED);
1631
1632 add_sym_1 ("ccos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
1633 NULL, gfc_simplify_cos, gfc_resolve_cos,
1634 x, BT_COMPLEX, dz, REQUIRED);
1635
1636 add_sym_1 ("zcos", GFC_ISYM_COS, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
1637 NULL, gfc_simplify_cos, gfc_resolve_cos,
1638 x, BT_COMPLEX, dd, REQUIRED);
1639
1640 make_alias ("cdcos", GFC_STD_GNU);
1641
1642 make_generic ("cos", GFC_ISYM_COS, GFC_STD_F77);
1643
1644 add_sym_1 ("cosh", GFC_ISYM_COSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1645 gfc_check_fn_rc2008, gfc_simplify_cosh, gfc_resolve_cosh,
1646 x, BT_REAL, dr, REQUIRED);
1647
1648 add_sym_1 ("dcosh", GFC_ISYM_COSH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1649 gfc_check_fn_d, gfc_simplify_cosh, gfc_resolve_cosh,
1650 x, BT_REAL, dd, REQUIRED);
1651
1652 make_generic ("cosh", GFC_ISYM_COSH, GFC_STD_F77);
1653
1654 add_sym_3 ("count", GFC_ISYM_COUNT, CLASS_TRANSFORMATIONAL, ACTUAL_NO,
1655 BT_INTEGER, di, GFC_STD_F95,
1656 gfc_check_count, gfc_simplify_count, gfc_resolve_count,
1657 msk, BT_LOGICAL, dl, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
1658 kind, BT_INTEGER, di, OPTIONAL);
1659
1660 make_generic ("count", GFC_ISYM_COUNT, GFC_STD_F95);
1661
1662 add_sym_3 ("cshift", GFC_ISYM_CSHIFT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1663 gfc_check_cshift, NULL, gfc_resolve_cshift,
1664 ar, BT_REAL, dr, REQUIRED, sh, BT_INTEGER, di, REQUIRED,
1665 dm, BT_INTEGER, ii, OPTIONAL);
1666
1667 make_generic ("cshift", GFC_ISYM_CSHIFT, GFC_STD_F95);
1668
1669 add_sym_1 ("ctime", GFC_ISYM_CTIME, CLASS_IMPURE, ACTUAL_NO, BT_CHARACTER,
1670 0, GFC_STD_GNU, gfc_check_ctime, NULL, gfc_resolve_ctime,
1671 tm, BT_INTEGER, di, REQUIRED);
1672
1673 make_generic ("ctime", GFC_ISYM_CTIME, GFC_STD_GNU);
1674
1675 add_sym_1 ("dble", GFC_ISYM_DBLE, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_F77,
1676 gfc_check_dble, gfc_simplify_dble, gfc_resolve_dble,
1677 a, BT_REAL, dr, REQUIRED);
1678
1679 make_generic ("dble", GFC_ISYM_DBLE, GFC_STD_F77);
1680
1681 add_sym_1 ("digits", GFC_ISYM_DIGITS, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1682 gfc_check_digits, gfc_simplify_digits, NULL,
1683 x, BT_UNKNOWN, dr, REQUIRED);
1684
1685 make_generic ("digits", GFC_ISYM_DIGITS, GFC_STD_F95);
1686
1687 add_sym_2 ("dim", GFC_ISYM_DIM, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1688 gfc_check_a_p, gfc_simplify_dim, gfc_resolve_dim,
1689 x, BT_REAL, dr, REQUIRED, y, BT_REAL, dr, REQUIRED);
1690
1691 add_sym_2 ("idim", GFC_ISYM_DIM, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
1692 NULL, gfc_simplify_dim, gfc_resolve_dim,
1693 x, BT_INTEGER, di, REQUIRED, y, BT_INTEGER, di, REQUIRED);
1694
1695 add_sym_2 ("ddim", GFC_ISYM_DIM, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1696 gfc_check_x_yd, gfc_simplify_dim, gfc_resolve_dim,
1697 x, BT_REAL, dd, REQUIRED, y, BT_REAL, dd, REQUIRED);
1698
1699 make_generic ("dim", GFC_ISYM_DIM, GFC_STD_F77);
1700
1701 add_sym_2 ("dot_product", GFC_ISYM_DOT_PRODUCT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr,
1702 GFC_STD_F95, gfc_check_dot_product, gfc_simplify_dot_product, gfc_resolve_dot_product,
1703 va, BT_REAL, dr, REQUIRED, vb, BT_REAL, dr, REQUIRED);
1704
1705 make_generic ("dot_product", GFC_ISYM_DOT_PRODUCT, GFC_STD_F95);
1706
1707 add_sym_2 ("dprod", GFC_ISYM_DPROD,CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1708 gfc_check_dprod, gfc_simplify_dprod, gfc_resolve_dprod,
1709 x, BT_REAL, dr, REQUIRED, y, BT_REAL, dr, REQUIRED);
1710
1711 make_generic ("dprod", GFC_ISYM_DPROD, GFC_STD_F77);
1712
1713 add_sym_1 ("dreal", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO,
1714 BT_REAL, dd, GFC_STD_GNU, NULL, gfc_simplify_dreal, NULL,
1715 a, BT_COMPLEX, dd, REQUIRED);
1716
1717 make_generic ("dreal", GFC_ISYM_REAL, GFC_STD_GNU);
1718
1719 add_sym_3 ("dshiftl", GFC_ISYM_DSHIFTL, CLASS_ELEMENTAL, ACTUAL_NO,
1720 BT_INTEGER, di, GFC_STD_F2008,
1721 gfc_check_dshift, gfc_simplify_dshiftl, gfc_resolve_dshift,
1722 i, BT_INTEGER, di, REQUIRED,
1723 j, BT_INTEGER, di, REQUIRED,
1724 sh, BT_INTEGER, di, REQUIRED);
1725
1726 make_generic ("dshiftl", GFC_ISYM_DSHIFTL, GFC_STD_F2008);
1727
1728 add_sym_3 ("dshiftr", GFC_ISYM_DSHIFTR, CLASS_ELEMENTAL, ACTUAL_NO,
1729 BT_INTEGER, di, GFC_STD_F2008,
1730 gfc_check_dshift, gfc_simplify_dshiftr, gfc_resolve_dshift,
1731 i, BT_INTEGER, di, REQUIRED,
1732 j, BT_INTEGER, di, REQUIRED,
1733 sh, BT_INTEGER, di, REQUIRED);
1734
1735 make_generic ("dshiftr", GFC_ISYM_DSHIFTR, GFC_STD_F2008);
1736
1737 add_sym_4 ("eoshift", GFC_ISYM_EOSHIFT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1738 gfc_check_eoshift, NULL, gfc_resolve_eoshift,
1739 ar, BT_REAL, dr, REQUIRED, sh, BT_INTEGER, ii, REQUIRED,
1740 bd, BT_REAL, dr, OPTIONAL, dm, BT_INTEGER, ii, OPTIONAL);
1741
1742 make_generic ("eoshift", GFC_ISYM_EOSHIFT, GFC_STD_F95);
1743
1744 add_sym_1 ("epsilon", GFC_ISYM_EPSILON, CLASS_INQUIRY, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1745 gfc_check_x, gfc_simplify_epsilon, NULL,
1746 x, BT_REAL, dr, REQUIRED);
1747
1748 make_generic ("epsilon", GFC_ISYM_EPSILON, GFC_STD_F95);
1749
1750 /* G77 compatibility for the ERF() and ERFC() functions. */
1751 add_sym_1 ("erf", GFC_ISYM_ERF, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr,
1752 GFC_STD_F2008, gfc_check_fn_r, gfc_simplify_erf,
1753 gfc_resolve_g77_math1, x, BT_REAL, dr, REQUIRED);
1754
1755 add_sym_1 ("derf", GFC_ISYM_ERF, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd,
1756 GFC_STD_GNU, gfc_check_fn_d, gfc_simplify_erf,
1757 gfc_resolve_g77_math1, x, BT_REAL, dd, REQUIRED);
1758
1759 make_generic ("erf", GFC_ISYM_ERF, GFC_STD_F2008);
1760
1761 add_sym_1 ("erfc", GFC_ISYM_ERFC, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr,
1762 GFC_STD_F2008, gfc_check_fn_r, gfc_simplify_erfc,
1763 gfc_resolve_g77_math1, x, BT_REAL, dr, REQUIRED);
1764
1765 add_sym_1 ("derfc", GFC_ISYM_ERFC, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd,
1766 GFC_STD_GNU, gfc_check_fn_d, gfc_simplify_erfc,
1767 gfc_resolve_g77_math1, x, BT_REAL, dd, REQUIRED);
1768
1769 make_generic ("erfc", GFC_ISYM_ERFC, GFC_STD_F2008);
1770
1771 add_sym_1 ("erfc_scaled", GFC_ISYM_ERFC_SCALED, CLASS_ELEMENTAL, ACTUAL_NO,
1772 BT_REAL, dr, GFC_STD_F2008, gfc_check_fn_r,
1773 gfc_simplify_erfc_scaled, gfc_resolve_g77_math1, x, BT_REAL,
1774 dr, REQUIRED);
1775
1776 make_generic ("erfc_scaled", GFC_ISYM_ERFC_SCALED, GFC_STD_F2008);
1777
1778 /* G77 compatibility */
1779 add_sym_1 ("dtime", GFC_ISYM_DTIME, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
1780 4, GFC_STD_GNU, gfc_check_dtime_etime, NULL, NULL,
1781 x, BT_REAL, 4, REQUIRED);
1782
1783 make_generic ("dtime", GFC_ISYM_DTIME, GFC_STD_GNU);
1784
1785 add_sym_1 ("etime", GFC_ISYM_ETIME, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
1786 4, GFC_STD_GNU, gfc_check_dtime_etime, NULL, NULL,
1787 x, BT_REAL, 4, REQUIRED);
1788
1789 make_generic ("etime", GFC_ISYM_ETIME, GFC_STD_GNU);
1790
1791 add_sym_1 ("exp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
1792 gfc_check_fn_rc, gfc_simplify_exp, gfc_resolve_exp,
1793 x, BT_REAL, dr, REQUIRED);
1794
1795 add_sym_1 ("dexp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
1796 gfc_check_fn_d, gfc_simplify_exp, gfc_resolve_exp,
1797 x, BT_REAL, dd, REQUIRED);
1798
1799 add_sym_1 ("cexp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
1800 NULL, gfc_simplify_exp, gfc_resolve_exp,
1801 x, BT_COMPLEX, dz, REQUIRED);
1802
1803 add_sym_1 ("zexp", GFC_ISYM_EXP, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
1804 NULL, gfc_simplify_exp, gfc_resolve_exp,
1805 x, BT_COMPLEX, dd, REQUIRED);
1806
1807 make_alias ("cdexp", GFC_STD_GNU);
1808
1809 make_generic ("exp", GFC_ISYM_EXP, GFC_STD_F77);
1810
1811 add_sym_1 ("exponent", GFC_ISYM_EXPONENT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1812 gfc_check_x, gfc_simplify_exponent, gfc_resolve_exponent,
1813 x, BT_REAL, dr, REQUIRED);
1814
1815 make_generic ("exponent", GFC_ISYM_EXPONENT, GFC_STD_F95);
1816
1817 add_sym_2 ("extends_type_of", GFC_ISYM_EXTENDS_TYPE_OF, CLASS_INQUIRY,
1818 ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F2003,
1819 gfc_check_same_type_as, gfc_simplify_extends_type_of,
1820 gfc_resolve_extends_type_of,
1821 a, BT_UNKNOWN, 0, REQUIRED,
1822 mo, BT_UNKNOWN, 0, REQUIRED);
1823
1824 add_sym_0 ("fdate", GFC_ISYM_FDATE, CLASS_IMPURE, ACTUAL_NO, BT_CHARACTER,
1825 dc, GFC_STD_GNU, NULL, NULL, gfc_resolve_fdate);
1826
1827 make_generic ("fdate", GFC_ISYM_FDATE, GFC_STD_GNU);
1828
1829 add_sym_2 ("floor", GFC_ISYM_FLOOR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1830 gfc_check_a_ikind, gfc_simplify_floor, gfc_resolve_floor,
1831 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1832
1833 make_generic ("floor", GFC_ISYM_FLOOR, GFC_STD_F95);
1834
1835 /* G77 compatible fnum */
1836 add_sym_1 ("fnum", GFC_ISYM_FNUM, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1837 di, GFC_STD_GNU, gfc_check_fnum, NULL, gfc_resolve_fnum,
1838 ut, BT_INTEGER, di, REQUIRED);
1839
1840 make_generic ("fnum", GFC_ISYM_FNUM, GFC_STD_GNU);
1841
1842 add_sym_1 ("fraction", GFC_ISYM_FRACTION, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1843 gfc_check_x, gfc_simplify_fraction, gfc_resolve_fraction,
1844 x, BT_REAL, dr, REQUIRED);
1845
1846 make_generic ("fraction", GFC_ISYM_FRACTION, GFC_STD_F95);
1847
1848 add_sym_2_intent ("fstat", GFC_ISYM_FSTAT, CLASS_IMPURE, ACTUAL_NO,
1849 BT_INTEGER, di, GFC_STD_GNU,
1850 gfc_check_fstat, NULL, gfc_resolve_fstat,
1851 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
1852 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
1853
1854 make_generic ("fstat", GFC_ISYM_FSTAT, GFC_STD_GNU);
1855
1856 add_sym_1 ("ftell", GFC_ISYM_FTELL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1857 ii, GFC_STD_GNU, gfc_check_ftell, NULL, gfc_resolve_ftell,
1858 ut, BT_INTEGER, di, REQUIRED);
1859
1860 make_generic ("ftell", GFC_ISYM_FTELL, GFC_STD_GNU);
1861
1862 add_sym_2_intent ("fgetc", GFC_ISYM_FGETC, CLASS_IMPURE, ACTUAL_NO,
1863 BT_INTEGER, di, GFC_STD_GNU,
1864 gfc_check_fgetputc, NULL, gfc_resolve_fgetc,
1865 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
1866 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
1867
1868 make_generic ("fgetc", GFC_ISYM_FGETC, GFC_STD_GNU);
1869
1870 add_sym_1_intent ("fget", GFC_ISYM_FGET, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1871 di, GFC_STD_GNU, gfc_check_fgetput, NULL, gfc_resolve_fget,
1872 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
1873
1874 make_generic ("fget", GFC_ISYM_FGET, GFC_STD_GNU);
1875
1876 add_sym_2 ("fputc", GFC_ISYM_FPUTC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1877 di, GFC_STD_GNU, gfc_check_fgetputc, NULL, gfc_resolve_fputc,
1878 ut, BT_INTEGER, di, REQUIRED, c, BT_CHARACTER, dc, REQUIRED);
1879
1880 make_generic ("fputc", GFC_ISYM_FPUTC, GFC_STD_GNU);
1881
1882 add_sym_1 ("fput", GFC_ISYM_FPUT, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1883 di, GFC_STD_GNU, gfc_check_fgetput, NULL, gfc_resolve_fput,
1884 c, BT_CHARACTER, dc, REQUIRED);
1885
1886 make_generic ("fput", GFC_ISYM_FPUT, GFC_STD_GNU);
1887
1888 add_sym_1 ("gamma", GFC_ISYM_TGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr,
1889 GFC_STD_F2008, gfc_check_fn_r, gfc_simplify_gamma,
1890 gfc_resolve_gamma, x, BT_REAL, dr, REQUIRED);
1891
1892 add_sym_1 ("dgamma", GFC_ISYM_TGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
1893 gfc_check_fn_d, gfc_simplify_gamma, gfc_resolve_gamma,
1894 x, BT_REAL, dr, REQUIRED);
1895
1896 make_generic ("gamma", GFC_ISYM_TGAMMA, GFC_STD_F2008);
1897
1898 /* Unix IDs (g77 compatibility) */
1899 add_sym_1 ("getcwd", GFC_ISYM_GETCWD, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1900 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getcwd,
1901 c, BT_CHARACTER, dc, REQUIRED);
1902
1903 make_generic ("getcwd", GFC_ISYM_GETCWD, GFC_STD_GNU);
1904
1905 add_sym_0 ("getgid", GFC_ISYM_GETGID, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1906 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getgid);
1907
1908 make_generic ("getgid", GFC_ISYM_GETGID, GFC_STD_GNU);
1909
1910 add_sym_0 ("getpid", GFC_ISYM_GETPID, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1911 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getpid);
1912
1913 make_generic ("getpid", GFC_ISYM_GETPID, GFC_STD_GNU);
1914
1915 add_sym_0 ("getuid", GFC_ISYM_GETUID, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1916 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_getuid);
1917
1918 make_generic ("getuid", GFC_ISYM_GETUID, GFC_STD_GNU);
1919
1920 add_sym_1_intent ("hostnm", GFC_ISYM_HOSTNM, CLASS_IMPURE, ACTUAL_NO,
1921 BT_INTEGER, di, GFC_STD_GNU,
1922 gfc_check_hostnm, NULL, gfc_resolve_hostnm,
1923 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
1924
1925 make_generic ("hostnm", GFC_ISYM_HOSTNM, GFC_STD_GNU);
1926
1927 add_sym_1 ("huge", GFC_ISYM_HUGE, CLASS_INQUIRY, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
1928 gfc_check_huge, gfc_simplify_huge, NULL,
1929 x, BT_UNKNOWN, dr, REQUIRED);
1930
1931 make_generic ("huge", GFC_ISYM_HUGE, GFC_STD_F95);
1932
1933 add_sym_2 ("hypot", GFC_ISYM_HYPOT, CLASS_ELEMENTAL, ACTUAL_NO,
1934 BT_REAL, dr, GFC_STD_F2008,
1935 gfc_check_hypot, gfc_simplify_hypot, gfc_resolve_hypot,
1936 x, BT_REAL, dr, REQUIRED, y, BT_REAL, dr, REQUIRED);
1937
1938 make_generic ("hypot", GFC_ISYM_HYPOT, GFC_STD_F2008);
1939
1940 add_sym_2 ("iachar", GFC_ISYM_IACHAR, CLASS_ELEMENTAL, ACTUAL_NO,
1941 BT_INTEGER, di, GFC_STD_F95,
1942 gfc_check_ichar_iachar, gfc_simplify_iachar, gfc_resolve_iachar,
1943 c, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
1944
1945 make_generic ("iachar", GFC_ISYM_IACHAR, GFC_STD_F95);
1946
1947 add_sym_2 ("iand", GFC_ISYM_IAND, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1948 gfc_check_iand, gfc_simplify_iand, gfc_resolve_iand,
1949 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
1950
1951 make_generic ("iand", GFC_ISYM_IAND, GFC_STD_F95);
1952
1953 add_sym_2 ("and", GFC_ISYM_AND, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
1954 dl, GFC_STD_GNU, gfc_check_and, gfc_simplify_and, gfc_resolve_and,
1955 i, BT_UNKNOWN, 0, REQUIRED, j, BT_UNKNOWN, 0, REQUIRED);
1956
1957 make_generic ("and", GFC_ISYM_AND, GFC_STD_GNU);
1958
1959 add_sym_3red ("iall", GFC_ISYM_IALL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1960 gfc_check_transf_bit_intrins, gfc_simplify_iall, gfc_resolve_iall,
1961 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
1962 msk, BT_LOGICAL, dl, OPTIONAL);
1963
1964 make_generic ("iall", GFC_ISYM_IALL, GFC_STD_F2008);
1965
1966 add_sym_3red ("iany", GFC_ISYM_IANY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
1967 gfc_check_transf_bit_intrins, gfc_simplify_iany, gfc_resolve_iany,
1968 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
1969 msk, BT_LOGICAL, dl, OPTIONAL);
1970
1971 make_generic ("iany", GFC_ISYM_IANY, GFC_STD_F2008);
1972
1973 add_sym_0 ("iargc", GFC_ISYM_IARGC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
1974 di, GFC_STD_GNU, NULL, NULL, NULL);
1975
1976 make_generic ("iargc", GFC_ISYM_IARGC, GFC_STD_GNU);
1977
1978 add_sym_2 ("ibclr", GFC_ISYM_IBCLR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1979 gfc_check_bitfcn, gfc_simplify_ibclr, gfc_resolve_ibclr,
1980 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED);
1981
1982 make_generic ("ibclr", GFC_ISYM_IBCLR, GFC_STD_F95);
1983
1984 add_sym_3 ("ibits", GFC_ISYM_IBITS, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1985 gfc_check_ibits, gfc_simplify_ibits, gfc_resolve_ibits,
1986 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED,
1987 ln, BT_INTEGER, di, REQUIRED);
1988
1989 make_generic ("ibits", GFC_ISYM_IBITS, GFC_STD_F95);
1990
1991 add_sym_2 ("ibset", GFC_ISYM_IBSET, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
1992 gfc_check_bitfcn, gfc_simplify_ibset, gfc_resolve_ibset,
1993 i, BT_INTEGER, di, REQUIRED, pos, BT_INTEGER, di, REQUIRED);
1994
1995 make_generic ("ibset", GFC_ISYM_IBSET, GFC_STD_F95);
1996
1997 add_sym_2 ("ichar", GFC_ISYM_ICHAR, CLASS_ELEMENTAL, ACTUAL_NO,
1998 BT_INTEGER, di, GFC_STD_F77,
1999 gfc_check_ichar_iachar, gfc_simplify_ichar, gfc_resolve_ichar,
2000 c, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2001
2002 make_generic ("ichar", GFC_ISYM_ICHAR, GFC_STD_F77);
2003
2004 add_sym_2 ("ieor", GFC_ISYM_IEOR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2005 gfc_check_ieor, gfc_simplify_ieor, gfc_resolve_ieor,
2006 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
2007
2008 make_generic ("ieor", GFC_ISYM_IEOR, GFC_STD_F95);
2009
2010 add_sym_2 ("xor", GFC_ISYM_XOR, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
2011 dl, GFC_STD_GNU, gfc_check_and, gfc_simplify_xor, gfc_resolve_xor,
2012 i, BT_UNKNOWN, 0, REQUIRED, j, BT_UNKNOWN, 0, REQUIRED);
2013
2014 make_generic ("xor", GFC_ISYM_XOR, GFC_STD_GNU);
2015
2016 add_sym_0 ("ierrno", GFC_ISYM_IERRNO, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2017 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_ierrno);
2018
2019 make_generic ("ierrno", GFC_ISYM_IERRNO, GFC_STD_GNU);
2020
2021 add_sym_2 ("image_index", GFC_ISYM_IMAGE_INDEX, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2008,
2022 gfc_check_image_index, gfc_simplify_image_index, gfc_resolve_image_index,
2023 ca, BT_REAL, dr, REQUIRED, sub, BT_INTEGER, ii, REQUIRED);
2024
2025 /* The resolution function for INDEX is called gfc_resolve_index_func
2026 because the name gfc_resolve_index is already used in resolve.c. */
2027 add_sym_4 ("index", GFC_ISYM_INDEX, CLASS_ELEMENTAL, ACTUAL_YES,
2028 BT_INTEGER, di, GFC_STD_F77,
2029 gfc_check_index, gfc_simplify_index, gfc_resolve_index_func,
2030 stg, BT_CHARACTER, dc, REQUIRED, ssg, BT_CHARACTER, dc, REQUIRED,
2031 bck, BT_LOGICAL, dl, OPTIONAL, kind, BT_INTEGER, di, OPTIONAL);
2032
2033 make_generic ("index", GFC_ISYM_INDEX, GFC_STD_F77);
2034
2035 add_sym_2 ("int", GFC_ISYM_INT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2036 gfc_check_int, gfc_simplify_int, gfc_resolve_int,
2037 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2038
2039 add_sym_1 ("ifix", GFC_ISYM_INT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2040 NULL, gfc_simplify_ifix, NULL,
2041 a, BT_REAL, dr, REQUIRED);
2042
2043 add_sym_1 ("idint", GFC_ISYM_INT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2044 NULL, gfc_simplify_idint, NULL,
2045 a, BT_REAL, dd, REQUIRED);
2046
2047 make_generic ("int", GFC_ISYM_INT, GFC_STD_F77);
2048
2049 add_sym_1 ("int2", GFC_ISYM_INT2, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU,
2050 gfc_check_intconv, gfc_simplify_int2, gfc_resolve_int2,
2051 a, BT_REAL, dr, REQUIRED);
2052
2053 make_alias ("short", GFC_STD_GNU);
2054
2055 make_generic ("int2", GFC_ISYM_INT2, GFC_STD_GNU);
2056
2057 add_sym_1 ("int8", GFC_ISYM_INT8, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU,
2058 gfc_check_intconv, gfc_simplify_int8, gfc_resolve_int8,
2059 a, BT_REAL, dr, REQUIRED);
2060
2061 make_generic ("int8", GFC_ISYM_INT8, GFC_STD_GNU);
2062
2063 add_sym_1 ("long", GFC_ISYM_LONG, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU,
2064 gfc_check_intconv, gfc_simplify_long, gfc_resolve_long,
2065 a, BT_REAL, dr, REQUIRED);
2066
2067 make_generic ("long", GFC_ISYM_LONG, GFC_STD_GNU);
2068
2069 add_sym_2 ("ior", GFC_ISYM_IOR, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2070 gfc_check_ior, gfc_simplify_ior, gfc_resolve_ior,
2071 i, BT_INTEGER, di, REQUIRED, j, BT_INTEGER, di, REQUIRED);
2072
2073 make_generic ("ior", GFC_ISYM_IOR, GFC_STD_F95);
2074
2075 add_sym_2 ("or", GFC_ISYM_OR, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
2076 dl, GFC_STD_GNU, gfc_check_and, gfc_simplify_or, gfc_resolve_or,
2077 i, BT_UNKNOWN, 0, REQUIRED, j, BT_UNKNOWN, 0, REQUIRED);
2078
2079 make_generic ("or", GFC_ISYM_OR, GFC_STD_GNU);
2080
2081 add_sym_3red ("iparity", GFC_ISYM_IPARITY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F2008,
2082 gfc_check_transf_bit_intrins, gfc_simplify_iparity, gfc_resolve_iparity,
2083 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2084 msk, BT_LOGICAL, dl, OPTIONAL);
2085
2086 make_generic ("iparity", GFC_ISYM_IPARITY, GFC_STD_F2008);
2087
2088 /* The following function is for G77 compatibility. */
2089 add_sym_1 ("irand", GFC_ISYM_IRAND, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2090 4, GFC_STD_GNU, gfc_check_irand, NULL, NULL,
2091 i, BT_INTEGER, 4, OPTIONAL);
2092
2093 make_generic ("irand", GFC_ISYM_IRAND, GFC_STD_GNU);
2094
2095 add_sym_1 ("isatty", GFC_ISYM_ISATTY, CLASS_IMPURE, ACTUAL_NO, BT_LOGICAL,
2096 dl, GFC_STD_GNU, gfc_check_isatty, NULL, gfc_resolve_isatty,
2097 ut, BT_INTEGER, di, REQUIRED);
2098
2099 make_generic ("isatty", GFC_ISYM_ISATTY, GFC_STD_GNU);
2100
2101 add_sym_1 ("is_iostat_end", GFC_ISYM_IS_IOSTAT_END,
2102 CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F2003,
2103 gfc_check_i, gfc_simplify_is_iostat_end, NULL,
2104 i, BT_INTEGER, 0, REQUIRED);
2105
2106 make_generic ("is_iostat_end", GFC_ISYM_IS_IOSTAT_END, GFC_STD_F2003);
2107
2108 add_sym_1 ("is_iostat_eor", GFC_ISYM_IS_IOSTAT_EOR,
2109 CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F2003,
2110 gfc_check_i, gfc_simplify_is_iostat_eor, NULL,
2111 i, BT_INTEGER, 0, REQUIRED);
2112
2113 make_generic ("is_iostat_eor", GFC_ISYM_IS_IOSTAT_EOR, GFC_STD_F2003);
2114
2115 add_sym_1 ("isnan", GFC_ISYM_ISNAN, CLASS_ELEMENTAL, ACTUAL_NO,
2116 BT_LOGICAL, dl, GFC_STD_GNU,
2117 gfc_check_isnan, gfc_simplify_isnan, NULL,
2118 x, BT_REAL, 0, REQUIRED);
2119
2120 make_generic ("isnan", GFC_ISYM_ISNAN, GFC_STD_GNU);
2121
2122 add_sym_2 ("rshift", GFC_ISYM_RSHIFT, CLASS_ELEMENTAL, ACTUAL_NO,
2123 BT_INTEGER, di, GFC_STD_GNU,
2124 gfc_check_ishft, gfc_simplify_rshift, gfc_resolve_rshift,
2125 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED);
2126
2127 make_generic ("rshift", GFC_ISYM_RSHIFT, GFC_STD_GNU);
2128
2129 add_sym_2 ("lshift", GFC_ISYM_LSHIFT, CLASS_ELEMENTAL, ACTUAL_NO,
2130 BT_INTEGER, di, GFC_STD_GNU,
2131 gfc_check_ishft, gfc_simplify_lshift, gfc_resolve_lshift,
2132 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED);
2133
2134 make_generic ("lshift", GFC_ISYM_LSHIFT, GFC_STD_GNU);
2135
2136 add_sym_2 ("ishft", GFC_ISYM_ISHFT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2137 gfc_check_ishft, gfc_simplify_ishft, gfc_resolve_ishft,
2138 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED);
2139
2140 make_generic ("ishft", GFC_ISYM_ISHFT, GFC_STD_F95);
2141
2142 add_sym_3 ("ishftc", GFC_ISYM_ISHFTC, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2143 gfc_check_ishftc, gfc_simplify_ishftc, gfc_resolve_ishftc,
2144 i, BT_INTEGER, di, REQUIRED, sh, BT_INTEGER, di, REQUIRED,
2145 sz, BT_INTEGER, di, OPTIONAL);
2146
2147 make_generic ("ishftc", GFC_ISYM_ISHFTC, GFC_STD_F95);
2148
2149 add_sym_2 ("kill", GFC_ISYM_KILL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2150 di, GFC_STD_GNU, gfc_check_kill, NULL, gfc_resolve_kill,
2151 a, BT_INTEGER, di, REQUIRED, b, BT_INTEGER, di, REQUIRED);
2152
2153 make_generic ("kill", GFC_ISYM_KILL, GFC_STD_GNU);
2154
2155 add_sym_1 ("kind", GFC_ISYM_KIND, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2156 gfc_check_kind, gfc_simplify_kind, NULL,
2157 x, BT_REAL, dr, REQUIRED);
2158
2159 make_generic ("kind", GFC_ISYM_KIND, GFC_STD_F95);
2160
2161 add_sym_3 ("lbound", GFC_ISYM_LBOUND, CLASS_INQUIRY, ACTUAL_NO,
2162 BT_INTEGER, di, GFC_STD_F95,
2163 gfc_check_lbound, gfc_simplify_lbound, gfc_resolve_lbound,
2164 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, di, OPTIONAL,
2165 kind, BT_INTEGER, di, OPTIONAL);
2166
2167 make_generic ("lbound", GFC_ISYM_LBOUND, GFC_STD_F95);
2168
2169 add_sym_3 ("lcobound", GFC_ISYM_LCOBOUND, CLASS_INQUIRY, ACTUAL_NO,
2170 BT_INTEGER, di, GFC_STD_F2008,
2171 gfc_check_lcobound, gfc_simplify_lcobound, gfc_resolve_lcobound,
2172 ca, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2173 kind, BT_INTEGER, di, OPTIONAL);
2174
2175 make_generic ("lcobound", GFC_ISYM_LCOBOUND, GFC_STD_F2008);
2176
2177 add_sym_1 ("leadz", GFC_ISYM_LEADZ, CLASS_ELEMENTAL, ACTUAL_NO,
2178 BT_INTEGER, di, GFC_STD_F2008,
2179 gfc_check_i, gfc_simplify_leadz, NULL,
2180 i, BT_INTEGER, di, REQUIRED);
2181
2182 make_generic ("leadz", GFC_ISYM_LEADZ, GFC_STD_F2008);
2183
2184 add_sym_2 ("len", GFC_ISYM_LEN, CLASS_INQUIRY, ACTUAL_YES,
2185 BT_INTEGER, di, GFC_STD_F77,
2186 gfc_check_len_lentrim, gfc_simplify_len, gfc_resolve_len,
2187 stg, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2188
2189 make_generic ("len", GFC_ISYM_LEN, GFC_STD_F77);
2190
2191 add_sym_2 ("len_trim", GFC_ISYM_LEN_TRIM, CLASS_ELEMENTAL, ACTUAL_NO,
2192 BT_INTEGER, di, GFC_STD_F95,
2193 gfc_check_len_lentrim, gfc_simplify_len_trim, gfc_resolve_len_trim,
2194 stg, BT_CHARACTER, dc, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2195
2196 make_alias ("lnblnk", GFC_STD_GNU);
2197
2198 make_generic ("len_trim", GFC_ISYM_LEN_TRIM, GFC_STD_F95);
2199
2200 add_sym_1 ("lgamma", GFC_ISYM_LGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL,
2201 dr, GFC_STD_GNU,
2202 gfc_check_fn_r, gfc_simplify_lgamma, gfc_resolve_lgamma,
2203 x, BT_REAL, dr, REQUIRED);
2204
2205 make_alias ("log_gamma", GFC_STD_F2008);
2206
2207 add_sym_1 ("algama", GFC_ISYM_LGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
2208 gfc_check_fn_r, gfc_simplify_lgamma, gfc_resolve_lgamma,
2209 x, BT_REAL, dr, REQUIRED);
2210
2211 add_sym_1 ("dlgama", GFC_ISYM_LGAMMA, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
2212 gfc_check_fn_d, gfc_simplify_lgamma, gfc_resolve_lgamma,
2213 x, BT_REAL, dr, REQUIRED);
2214
2215 make_generic ("log_gamma", GFC_ISYM_LGAMMA, GFC_STD_F2008);
2216
2217
2218 add_sym_2 ("lge", GFC_ISYM_LGE, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2219 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_lge, NULL,
2220 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2221
2222 make_generic ("lge", GFC_ISYM_LGE, GFC_STD_F77);
2223
2224 add_sym_2 ("lgt", GFC_ISYM_LGT, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2225 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_lgt, NULL,
2226 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2227
2228 make_generic ("lgt", GFC_ISYM_LGT, GFC_STD_F77);
2229
2230 add_sym_2 ("lle",GFC_ISYM_LLE, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2231 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_lle, NULL,
2232 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2233
2234 make_generic ("lle", GFC_ISYM_LLE, GFC_STD_F77);
2235
2236 add_sym_2 ("llt", GFC_ISYM_LLT, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl,
2237 GFC_STD_F77, gfc_check_lge_lgt_lle_llt, gfc_simplify_llt, NULL,
2238 sta, BT_CHARACTER, dc, REQUIRED, stb, BT_CHARACTER, dc, REQUIRED);
2239
2240 make_generic ("llt", GFC_ISYM_LLT, GFC_STD_F77);
2241
2242 add_sym_2 ("link", GFC_ISYM_LINK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2243 GFC_STD_GNU, gfc_check_link, NULL, gfc_resolve_link,
2244 p1, BT_CHARACTER, dc, REQUIRED, p2, BT_CHARACTER, dc, REQUIRED);
2245
2246 make_generic ("link", GFC_ISYM_LINK, GFC_STD_GNU);
2247
2248 add_sym_1 ("log", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2249 gfc_check_fn_rc, gfc_simplify_log, gfc_resolve_log,
2250 x, BT_REAL, dr, REQUIRED);
2251
2252 add_sym_1 ("alog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2253 NULL, gfc_simplify_log, gfc_resolve_log,
2254 x, BT_REAL, dr, REQUIRED);
2255
2256 add_sym_1 ("dlog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2257 gfc_check_fn_d, gfc_simplify_log, gfc_resolve_log,
2258 x, BT_REAL, dd, REQUIRED);
2259
2260 add_sym_1 ("clog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
2261 NULL, gfc_simplify_log, gfc_resolve_log,
2262 x, BT_COMPLEX, dz, REQUIRED);
2263
2264 add_sym_1 ("zlog", GFC_ISYM_LOG, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
2265 NULL, gfc_simplify_log, gfc_resolve_log,
2266 x, BT_COMPLEX, dd, REQUIRED);
2267
2268 make_alias ("cdlog", GFC_STD_GNU);
2269
2270 make_generic ("log", GFC_ISYM_LOG, GFC_STD_F77);
2271
2272 add_sym_1 ("log10", GFC_ISYM_LOG10, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2273 gfc_check_fn_r, gfc_simplify_log10, gfc_resolve_log10,
2274 x, BT_REAL, dr, REQUIRED);
2275
2276 add_sym_1 ("alog10", GFC_ISYM_LOG10, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2277 NULL, gfc_simplify_log10, gfc_resolve_log10,
2278 x, BT_REAL, dr, REQUIRED);
2279
2280 add_sym_1 ("dlog10", GFC_ISYM_LOG10, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2281 gfc_check_fn_d, gfc_simplify_log10, gfc_resolve_log10,
2282 x, BT_REAL, dd, REQUIRED);
2283
2284 make_generic ("log10", GFC_ISYM_LOG10, GFC_STD_F77);
2285
2286 add_sym_2 ("logical", GFC_ISYM_LOGICAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_LOGICAL, dl, GFC_STD_F95,
2287 gfc_check_logical, gfc_simplify_logical, gfc_resolve_logical,
2288 l, BT_LOGICAL, dl, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2289
2290 make_generic ("logical", GFC_ISYM_LOGICAL, GFC_STD_F95);
2291
2292 add_sym_2_intent ("lstat", GFC_ISYM_LSTAT, CLASS_IMPURE, ACTUAL_NO,
2293 BT_INTEGER, di, GFC_STD_GNU,
2294 gfc_check_stat, NULL, gfc_resolve_lstat,
2295 nm, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
2296 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
2297
2298 make_generic ("lstat", GFC_ISYM_LSTAT, GFC_STD_GNU);
2299
2300 add_sym_1 ("malloc", GFC_ISYM_MALLOC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, ii,
2301 GFC_STD_GNU, gfc_check_malloc, NULL, gfc_resolve_malloc,
2302 sz, BT_INTEGER, di, REQUIRED);
2303
2304 make_generic ("malloc", GFC_ISYM_MALLOC, GFC_STD_GNU);
2305
2306 add_sym_2 ("maskl", GFC_ISYM_MASKL, CLASS_ELEMENTAL, ACTUAL_NO,
2307 BT_INTEGER, di, GFC_STD_F2008,
2308 gfc_check_mask, gfc_simplify_maskl, gfc_resolve_mask,
2309 i, BT_INTEGER, di, REQUIRED,
2310 kind, BT_INTEGER, di, OPTIONAL);
2311
2312 make_generic ("maskl", GFC_ISYM_MASKL, GFC_STD_F2008);
2313
2314 add_sym_2 ("maskr", GFC_ISYM_MASKR, CLASS_ELEMENTAL, ACTUAL_NO,
2315 BT_INTEGER, di, GFC_STD_F2008,
2316 gfc_check_mask, gfc_simplify_maskr, gfc_resolve_mask,
2317 i, BT_INTEGER, di, REQUIRED,
2318 kind, BT_INTEGER, di, OPTIONAL);
2319
2320 make_generic ("maskr", GFC_ISYM_MASKR, GFC_STD_F2008);
2321
2322 add_sym_2 ("matmul", GFC_ISYM_MATMUL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2323 gfc_check_matmul, gfc_simplify_matmul, gfc_resolve_matmul,
2324 ma, BT_REAL, dr, REQUIRED, mb, BT_REAL, dr, REQUIRED);
2325
2326 make_generic ("matmul", GFC_ISYM_MATMUL, GFC_STD_F95);
2327
2328 /* Note: amax0 is equivalent to real(max), max1 is equivalent to
2329 int(max). The max function must take at least two arguments. */
2330
2331 add_sym_1m ("max", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_UNKNOWN, 0, GFC_STD_F77,
2332 gfc_check_min_max, gfc_simplify_max, gfc_resolve_max,
2333 a1, BT_UNKNOWN, dr, REQUIRED, a2, BT_UNKNOWN, dr, REQUIRED);
2334
2335 add_sym_1m ("max0", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2336 gfc_check_min_max_integer, gfc_simplify_max, NULL,
2337 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2338
2339 add_sym_1m ("amax0", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2340 gfc_check_min_max_integer, gfc_simplify_max, NULL,
2341 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2342
2343 add_sym_1m ("amax1", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2344 gfc_check_min_max_real, gfc_simplify_max, NULL,
2345 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2346
2347 add_sym_1m ("max1", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2348 gfc_check_min_max_real, gfc_simplify_max, NULL,
2349 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2350
2351 add_sym_1m ("dmax1", GFC_ISYM_MAX, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_F77,
2352 gfc_check_min_max_double, gfc_simplify_max, NULL,
2353 a1, BT_REAL, dd, REQUIRED, a2, BT_REAL, dd, REQUIRED);
2354
2355 make_generic ("max", GFC_ISYM_MAX, GFC_STD_F77);
2356
2357 add_sym_1 ("maxexponent", GFC_ISYM_MAXEXPONENT, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di,
2358 GFC_STD_F95, gfc_check_x, gfc_simplify_maxexponent, NULL,
2359 x, BT_UNKNOWN, dr, REQUIRED);
2360
2361 make_generic ("maxexponent", GFC_ISYM_MAXEXPONENT, GFC_STD_F95);
2362
2363 add_sym_3ml ("maxloc", GFC_ISYM_MAXLOC, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2364 gfc_check_minloc_maxloc, NULL, gfc_resolve_maxloc,
2365 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2366 msk, BT_LOGICAL, dl, OPTIONAL);
2367
2368 make_generic ("maxloc", GFC_ISYM_MAXLOC, GFC_STD_F95);
2369
2370 add_sym_3red ("maxval", GFC_ISYM_MAXVAL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2371 gfc_check_minval_maxval, gfc_simplify_maxval, gfc_resolve_maxval,
2372 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2373 msk, BT_LOGICAL, dl, OPTIONAL);
2374
2375 make_generic ("maxval", GFC_ISYM_MAXVAL, GFC_STD_F95);
2376
2377 add_sym_0 ("mclock", GFC_ISYM_MCLOCK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2378 GFC_STD_GNU, NULL, NULL, gfc_resolve_mclock);
2379
2380 make_generic ("mclock", GFC_ISYM_MCLOCK, GFC_STD_GNU);
2381
2382 add_sym_0 ("mclock8", GFC_ISYM_MCLOCK8, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2383 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_mclock8);
2384
2385 make_generic ("mclock8", GFC_ISYM_MCLOCK8, GFC_STD_GNU);
2386
2387 add_sym_3 ("merge", GFC_ISYM_MERGE, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2388 gfc_check_merge, gfc_simplify_merge, gfc_resolve_merge,
2389 ts, BT_REAL, dr, REQUIRED, fs, BT_REAL, dr, REQUIRED,
2390 msk, BT_LOGICAL, dl, REQUIRED);
2391
2392 make_generic ("merge", GFC_ISYM_MERGE, GFC_STD_F95);
2393
2394 add_sym_3 ("merge_bits", GFC_ISYM_MERGE_BITS, CLASS_ELEMENTAL, ACTUAL_NO,
2395 BT_INTEGER, di, GFC_STD_F2008,
2396 gfc_check_merge_bits, gfc_simplify_merge_bits,
2397 gfc_resolve_merge_bits,
2398 i, BT_INTEGER, di, REQUIRED,
2399 j, BT_INTEGER, di, REQUIRED,
2400 msk, BT_INTEGER, di, REQUIRED);
2401
2402 make_generic ("merge_bits", GFC_ISYM_MERGE_BITS, GFC_STD_F2008);
2403
2404 /* Note: amin0 is equivalent to real(min), min1 is equivalent to
2405 int(min). */
2406
2407 add_sym_1m ("min", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_UNKNOWN, 0, GFC_STD_F77,
2408 gfc_check_min_max, gfc_simplify_min, gfc_resolve_min,
2409 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2410
2411 add_sym_1m ("min0", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2412 gfc_check_min_max_integer, gfc_simplify_min, NULL,
2413 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2414
2415 add_sym_1m ("amin0", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2416 gfc_check_min_max_integer, gfc_simplify_min, NULL,
2417 a1, BT_INTEGER, di, REQUIRED, a2, BT_INTEGER, di, REQUIRED);
2418
2419 add_sym_1m ("amin1", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2420 gfc_check_min_max_real, gfc_simplify_min, NULL,
2421 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2422
2423 add_sym_1m ("min1", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F77,
2424 gfc_check_min_max_real, gfc_simplify_min, NULL,
2425 a1, BT_REAL, dr, REQUIRED, a2, BT_REAL, dr, REQUIRED);
2426
2427 add_sym_1m ("dmin1", GFC_ISYM_MIN, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_F77,
2428 gfc_check_min_max_double, gfc_simplify_min, NULL,
2429 a1, BT_REAL, dd, REQUIRED, a2, BT_REAL, dd, REQUIRED);
2430
2431 make_generic ("min", GFC_ISYM_MIN, GFC_STD_F77);
2432
2433 add_sym_1 ("minexponent", GFC_ISYM_MINEXPONENT, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di,
2434 GFC_STD_F95, gfc_check_x, gfc_simplify_minexponent, NULL,
2435 x, BT_UNKNOWN, dr, REQUIRED);
2436
2437 make_generic ("minexponent", GFC_ISYM_MINEXPONENT, GFC_STD_F95);
2438
2439 add_sym_3ml ("minloc", GFC_ISYM_MINLOC, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2440 gfc_check_minloc_maxloc, NULL, gfc_resolve_minloc,
2441 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2442 msk, BT_LOGICAL, dl, OPTIONAL);
2443
2444 make_generic ("minloc", GFC_ISYM_MINLOC, GFC_STD_F95);
2445
2446 add_sym_3red ("minval", GFC_ISYM_MINVAL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2447 gfc_check_minval_maxval, gfc_simplify_minval, gfc_resolve_minval,
2448 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2449 msk, BT_LOGICAL, dl, OPTIONAL);
2450
2451 make_generic ("minval", GFC_ISYM_MINVAL, GFC_STD_F95);
2452
2453 add_sym_2 ("mod", GFC_ISYM_MOD, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2454 gfc_check_a_p, gfc_simplify_mod, gfc_resolve_mod,
2455 a, BT_INTEGER, di, REQUIRED, p, BT_INTEGER, di, REQUIRED);
2456
2457 add_sym_2 ("amod", GFC_ISYM_MOD, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2458 NULL, gfc_simplify_mod, gfc_resolve_mod,
2459 a, BT_REAL, dr, REQUIRED, p, BT_REAL, dr, REQUIRED);
2460
2461 add_sym_2 ("dmod", GFC_ISYM_MOD, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2462 gfc_check_x_yd, gfc_simplify_mod, gfc_resolve_mod,
2463 a, BT_REAL, dd, REQUIRED, p, BT_REAL, dd, REQUIRED);
2464
2465 make_generic ("mod", GFC_ISYM_MOD, GFC_STD_F77);
2466
2467 add_sym_2 ("modulo", GFC_ISYM_MODULO, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, di, GFC_STD_F95,
2468 gfc_check_a_p, gfc_simplify_modulo, gfc_resolve_modulo,
2469 a, BT_REAL, di, REQUIRED, p, BT_REAL, di, REQUIRED);
2470
2471 make_generic ("modulo", GFC_ISYM_MODULO, GFC_STD_F95);
2472
2473 add_sym_2 ("nearest", GFC_ISYM_NEAREST, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2474 gfc_check_nearest, gfc_simplify_nearest, gfc_resolve_nearest,
2475 x, BT_REAL, dr, REQUIRED, s, BT_REAL, dr, REQUIRED);
2476
2477 make_generic ("nearest", GFC_ISYM_NEAREST, GFC_STD_F95);
2478
2479 add_sym_1 ("new_line", GFC_ISYM_NEW_LINE, CLASS_INQUIRY, ACTUAL_NO, BT_CHARACTER, dc,
2480 GFC_STD_F2003, gfc_check_new_line, gfc_simplify_new_line, NULL,
2481 a, BT_CHARACTER, dc, REQUIRED);
2482
2483 make_generic ("new_line", GFC_ISYM_NEW_LINE, GFC_STD_F2003);
2484
2485 add_sym_2 ("nint", GFC_ISYM_NINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2486 gfc_check_a_ikind, gfc_simplify_nint, gfc_resolve_nint,
2487 a, BT_REAL, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2488
2489 add_sym_1 ("idnint", GFC_ISYM_NINT, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2490 gfc_check_idnint, gfc_simplify_idnint, gfc_resolve_idnint,
2491 a, BT_REAL, dd, REQUIRED);
2492
2493 make_generic ("nint", GFC_ISYM_NINT, GFC_STD_F77);
2494
2495 add_sym_1 ("not", GFC_ISYM_NOT, CLASS_ELEMENTAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2496 gfc_check_i, gfc_simplify_not, gfc_resolve_not,
2497 i, BT_INTEGER, di, REQUIRED);
2498
2499 make_generic ("not", GFC_ISYM_NOT, GFC_STD_F95);
2500
2501 add_sym_2 ("norm2", GFC_ISYM_NORM2, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr,
2502 GFC_STD_F2008, gfc_check_norm2, gfc_simplify_norm2, gfc_resolve_norm2,
2503 x, BT_REAL, dr, REQUIRED,
2504 dm, BT_INTEGER, ii, OPTIONAL);
2505
2506 make_generic ("norm2", GFC_ISYM_NORM2, GFC_STD_F2008);
2507
2508 add_sym_1 ("null", GFC_ISYM_NULL, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2509 gfc_check_null, gfc_simplify_null, NULL,
2510 mo, BT_INTEGER, di, OPTIONAL);
2511
2512 make_generic ("null", GFC_ISYM_NULL, GFC_STD_F95);
2513
2514 add_sym_2 ("num_images", GFC_ISYM_NUM_IMAGES, CLASS_INQUIRY, ACTUAL_NO,
2515 BT_INTEGER, di, GFC_STD_F2008,
2516 gfc_check_num_images, gfc_simplify_num_images, NULL,
2517 dist, BT_INTEGER, di, OPTIONAL,
2518 failed, BT_LOGICAL, dl, OPTIONAL);
2519
2520 add_sym_3 ("pack", GFC_ISYM_PACK, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2521 gfc_check_pack, gfc_simplify_pack, gfc_resolve_pack,
2522 ar, BT_REAL, dr, REQUIRED, msk, BT_LOGICAL, dl, REQUIRED,
2523 v, BT_REAL, dr, OPTIONAL);
2524
2525 make_generic ("pack", GFC_ISYM_PACK, GFC_STD_F95);
2526
2527
2528 add_sym_2 ("parity", GFC_ISYM_PARITY, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_LOGICAL, dl,
2529 GFC_STD_F2008, gfc_check_parity, gfc_simplify_parity, gfc_resolve_parity,
2530 msk, BT_LOGICAL, dl, REQUIRED,
2531 dm, BT_INTEGER, ii, OPTIONAL);
2532
2533 make_generic ("parity", GFC_ISYM_PARITY, GFC_STD_F2008);
2534
2535 add_sym_1 ("popcnt", GFC_ISYM_POPCNT, CLASS_ELEMENTAL, ACTUAL_NO,
2536 BT_INTEGER, di, GFC_STD_F2008,
2537 gfc_check_i, gfc_simplify_popcnt, NULL,
2538 i, BT_INTEGER, di, REQUIRED);
2539
2540 make_generic ("popcnt", GFC_ISYM_POPCNT, GFC_STD_F2008);
2541
2542 add_sym_1 ("poppar", GFC_ISYM_POPPAR, CLASS_ELEMENTAL, ACTUAL_NO,
2543 BT_INTEGER, di, GFC_STD_F2008,
2544 gfc_check_i, gfc_simplify_poppar, NULL,
2545 i, BT_INTEGER, di, REQUIRED);
2546
2547 make_generic ("poppar", GFC_ISYM_POPPAR, GFC_STD_F2008);
2548
2549 add_sym_1 ("precision", GFC_ISYM_PRECISION, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2550 gfc_check_precision, gfc_simplify_precision, NULL,
2551 x, BT_UNKNOWN, 0, REQUIRED);
2552
2553 make_generic ("precision", GFC_ISYM_PRECISION, GFC_STD_F95);
2554
2555 add_sym_1_intent ("present", GFC_ISYM_PRESENT, CLASS_INQUIRY, ACTUAL_NO,
2556 BT_LOGICAL, dl, GFC_STD_F95, gfc_check_present, NULL, NULL,
2557 a, BT_REAL, dr, REQUIRED, INTENT_UNKNOWN);
2558
2559 make_generic ("present", GFC_ISYM_PRESENT, GFC_STD_F95);
2560
2561 add_sym_3red ("product", GFC_ISYM_PRODUCT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2562 gfc_check_product_sum, gfc_simplify_product, gfc_resolve_product,
2563 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2564 msk, BT_LOGICAL, dl, OPTIONAL);
2565
2566 make_generic ("product", GFC_ISYM_PRODUCT, GFC_STD_F95);
2567
2568 add_sym_1 ("radix", GFC_ISYM_RADIX, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2569 gfc_check_radix, gfc_simplify_radix, NULL,
2570 x, BT_UNKNOWN, 0, REQUIRED);
2571
2572 make_generic ("radix", GFC_ISYM_RADIX, GFC_STD_F95);
2573
2574 /* The following function is for G77 compatibility. */
2575 add_sym_1 ("rand", GFC_ISYM_RAND, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
2576 4, GFC_STD_GNU, gfc_check_rand, NULL, NULL,
2577 i, BT_INTEGER, 4, OPTIONAL);
2578
2579 /* Compatibility with HP FORTRAN 77/iX Reference. Note, rand() and ran()
2580 use slightly different shoddy multiplicative congruential PRNG. */
2581 make_alias ("ran", GFC_STD_GNU);
2582
2583 make_generic ("rand", GFC_ISYM_RAND, GFC_STD_GNU);
2584
2585 add_sym_1 ("range", GFC_ISYM_RANGE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2586 gfc_check_range, gfc_simplify_range, NULL,
2587 x, BT_REAL, dr, REQUIRED);
2588
2589 make_generic ("range", GFC_ISYM_RANGE, GFC_STD_F95);
2590
2591 add_sym_1 ("rank", GFC_ISYM_RANK, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di,
2592 GFC_STD_F2008_TS, gfc_check_rank, gfc_simplify_rank, gfc_resolve_rank,
2593 a, BT_REAL, dr, REQUIRED);
2594 make_generic ("rank", GFC_ISYM_RANK, GFC_STD_F2008_TS);
2595
2596 add_sym_2 ("real", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2597 gfc_check_real, gfc_simplify_real, gfc_resolve_real,
2598 a, BT_UNKNOWN, dr, REQUIRED, kind, BT_INTEGER, di, OPTIONAL);
2599
2600 /* This provides compatibility with g77. */
2601 add_sym_1 ("realpart", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_GNU,
2602 gfc_check_fn_c, gfc_simplify_realpart, gfc_resolve_realpart,
2603 a, BT_UNKNOWN, dr, REQUIRED);
2604
2605 add_sym_1 ("float", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2606 gfc_check_float, gfc_simplify_float, NULL,
2607 a, BT_INTEGER, di, REQUIRED);
2608
2609 add_sym_1 ("dfloat", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dd, GFC_STD_GNU,
2610 gfc_check_float, gfc_simplify_dble, gfc_resolve_dble,
2611 a, BT_REAL, dr, REQUIRED);
2612
2613 add_sym_1 ("sngl", GFC_ISYM_REAL, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F77,
2614 gfc_check_sngl, gfc_simplify_sngl, NULL,
2615 a, BT_REAL, dd, REQUIRED);
2616
2617 make_generic ("real", GFC_ISYM_REAL, GFC_STD_F77);
2618
2619 add_sym_2 ("rename", GFC_ISYM_RENAME, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2620 GFC_STD_GNU, gfc_check_rename, NULL, gfc_resolve_rename,
2621 p1, BT_CHARACTER, dc, REQUIRED, p2, BT_CHARACTER, dc, REQUIRED);
2622
2623 make_generic ("rename", GFC_ISYM_RENAME, GFC_STD_GNU);
2624
2625 add_sym_2 ("repeat", GFC_ISYM_REPEAT, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F95,
2626 gfc_check_repeat, gfc_simplify_repeat, gfc_resolve_repeat,
2627 stg, BT_CHARACTER, dc, REQUIRED, ncopies, BT_INTEGER, di, REQUIRED);
2628
2629 make_generic ("repeat", GFC_ISYM_REPEAT, GFC_STD_F95);
2630
2631 add_sym_4 ("reshape", GFC_ISYM_RESHAPE, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2632 gfc_check_reshape, gfc_simplify_reshape, gfc_resolve_reshape,
2633 src, BT_REAL, dr, REQUIRED, shp, BT_INTEGER, ii, REQUIRED,
2634 pad, BT_REAL, dr, OPTIONAL, ord, BT_INTEGER, ii, OPTIONAL);
2635
2636 make_generic ("reshape", GFC_ISYM_RESHAPE, GFC_STD_F95);
2637
2638 add_sym_1 ("rrspacing", GFC_ISYM_RRSPACING, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2639 gfc_check_x, gfc_simplify_rrspacing, gfc_resolve_rrspacing,
2640 x, BT_REAL, dr, REQUIRED);
2641
2642 make_generic ("rrspacing", GFC_ISYM_RRSPACING, GFC_STD_F95);
2643
2644 add_sym_2 ("same_type_as", GFC_ISYM_SAME_TYPE_AS, CLASS_INQUIRY, ACTUAL_NO,
2645 BT_LOGICAL, dl, GFC_STD_F2003,
2646 gfc_check_same_type_as, gfc_simplify_same_type_as, NULL,
2647 a, BT_UNKNOWN, 0, REQUIRED,
2648 b, BT_UNKNOWN, 0, REQUIRED);
2649
2650 add_sym_2 ("scale", GFC_ISYM_SCALE, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2651 gfc_check_scale, gfc_simplify_scale, gfc_resolve_scale,
2652 x, BT_REAL, dr, REQUIRED, i, BT_INTEGER, di, REQUIRED);
2653
2654 make_generic ("scale", GFC_ISYM_SCALE, GFC_STD_F95);
2655
2656 add_sym_4 ("scan", GFC_ISYM_SCAN, CLASS_ELEMENTAL, ACTUAL_NO,
2657 BT_INTEGER, di, GFC_STD_F95,
2658 gfc_check_scan, gfc_simplify_scan, gfc_resolve_scan,
2659 stg, BT_CHARACTER, dc, REQUIRED, set, BT_CHARACTER, dc, REQUIRED,
2660 bck, BT_LOGICAL, dl, OPTIONAL, kind, BT_INTEGER, di, OPTIONAL);
2661
2662 make_generic ("scan", GFC_ISYM_SCAN, GFC_STD_F95);
2663
2664 /* Added for G77 compatibility garbage. */
2665 add_sym_0 ("second", GFC_ISYM_SECOND, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
2666 4, GFC_STD_GNU, NULL, NULL, NULL);
2667
2668 make_generic ("second", GFC_ISYM_SECOND, GFC_STD_GNU);
2669
2670 /* Added for G77 compatibility. */
2671 add_sym_1 ("secnds", GFC_ISYM_SECNDS, CLASS_IMPURE, ACTUAL_NO, BT_REAL,
2672 dr, GFC_STD_GNU, gfc_check_secnds, NULL, gfc_resolve_secnds,
2673 x, BT_REAL, dr, REQUIRED);
2674
2675 make_generic ("secnds", GFC_ISYM_SECNDS, GFC_STD_GNU);
2676
2677 add_sym_1 ("selected_char_kind", GFC_ISYM_SC_KIND, CLASS_TRANSFORMATIONAL,
2678 ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2003,
2679 gfc_check_selected_char_kind, gfc_simplify_selected_char_kind,
2680 NULL, nm, BT_CHARACTER, dc, REQUIRED);
2681
2682 make_generic ("selected_char_kind", GFC_ISYM_SC_KIND, GFC_STD_F2003);
2683
2684 add_sym_1 ("selected_int_kind", GFC_ISYM_SI_KIND, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di,
2685 GFC_STD_F95, gfc_check_selected_int_kind,
2686 gfc_simplify_selected_int_kind, NULL, r, BT_INTEGER, di, REQUIRED);
2687
2688 make_generic ("selected_int_kind", GFC_ISYM_SI_KIND, GFC_STD_F95);
2689
2690 add_sym_3 ("selected_real_kind", GFC_ISYM_SR_KIND, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_INTEGER, di,
2691 GFC_STD_F95, gfc_check_selected_real_kind,
2692 gfc_simplify_selected_real_kind, NULL,
2693 p, BT_INTEGER, di, OPTIONAL, r, BT_INTEGER, di, OPTIONAL,
2694 "radix", BT_INTEGER, di, OPTIONAL);
2695
2696 make_generic ("selected_real_kind", GFC_ISYM_SR_KIND, GFC_STD_F95);
2697
2698 add_sym_2 ("set_exponent", GFC_ISYM_SET_EXPONENT, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2699 gfc_check_set_exponent, gfc_simplify_set_exponent,
2700 gfc_resolve_set_exponent,
2701 x, BT_REAL, dr, REQUIRED, i, BT_INTEGER, di, REQUIRED);
2702
2703 make_generic ("set_exponent", GFC_ISYM_SET_EXPONENT, GFC_STD_F95);
2704
2705 add_sym_2 ("shape", GFC_ISYM_SHAPE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F95,
2706 gfc_check_shape, gfc_simplify_shape, gfc_resolve_shape,
2707 src, BT_REAL, dr, REQUIRED,
2708 kind, BT_INTEGER, di, OPTIONAL);
2709
2710 make_generic ("shape", GFC_ISYM_SHAPE, GFC_STD_F95);
2711
2712 add_sym_2 ("shifta", GFC_ISYM_SHIFTA, CLASS_ELEMENTAL, ACTUAL_NO,
2713 BT_INTEGER, di, GFC_STD_F2008,
2714 gfc_check_shift, gfc_simplify_shifta, gfc_resolve_shift,
2715 i, BT_INTEGER, di, REQUIRED,
2716 sh, BT_INTEGER, di, REQUIRED);
2717
2718 make_generic ("shifta", GFC_ISYM_SHIFTA, GFC_STD_F2008);
2719
2720 add_sym_2 ("shiftl", GFC_ISYM_SHIFTL, CLASS_ELEMENTAL, ACTUAL_NO,
2721 BT_INTEGER, di, GFC_STD_F2008,
2722 gfc_check_shift, gfc_simplify_shiftl, gfc_resolve_shift,
2723 i, BT_INTEGER, di, REQUIRED,
2724 sh, BT_INTEGER, di, REQUIRED);
2725
2726 make_generic ("shiftl", GFC_ISYM_SHIFTL, GFC_STD_F2008);
2727
2728 add_sym_2 ("shiftr", GFC_ISYM_SHIFTR, CLASS_ELEMENTAL, ACTUAL_NO,
2729 BT_INTEGER, di, GFC_STD_F2008,
2730 gfc_check_shift, gfc_simplify_shiftr, gfc_resolve_shift,
2731 i, BT_INTEGER, di, REQUIRED,
2732 sh, BT_INTEGER, di, REQUIRED);
2733
2734 make_generic ("shiftr", GFC_ISYM_SHIFTR, GFC_STD_F2008);
2735
2736 add_sym_2 ("sign", GFC_ISYM_SIGN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2737 gfc_check_sign, gfc_simplify_sign, gfc_resolve_sign,
2738 a, BT_REAL, dr, REQUIRED, b, BT_REAL, dr, REQUIRED);
2739
2740 add_sym_2 ("isign", GFC_ISYM_SIGN, CLASS_ELEMENTAL, ACTUAL_YES, BT_INTEGER, di, GFC_STD_F77,
2741 NULL, gfc_simplify_sign, gfc_resolve_sign,
2742 a, BT_INTEGER, di, REQUIRED, b, BT_INTEGER, di, REQUIRED);
2743
2744 add_sym_2 ("dsign", GFC_ISYM_SIGN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2745 gfc_check_x_yd, gfc_simplify_sign, gfc_resolve_sign,
2746 a, BT_REAL, dd, REQUIRED, b, BT_REAL, dd, REQUIRED);
2747
2748 make_generic ("sign", GFC_ISYM_SIGN, GFC_STD_F77);
2749
2750 add_sym_2 ("signal", GFC_ISYM_SIGNAL, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2751 di, GFC_STD_GNU, gfc_check_signal, NULL, gfc_resolve_signal,
2752 num, BT_INTEGER, di, REQUIRED, han, BT_VOID, 0, REQUIRED);
2753
2754 make_generic ("signal", GFC_ISYM_SIGNAL, GFC_STD_GNU);
2755
2756 add_sym_1 ("sin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2757 gfc_check_fn_rc, gfc_simplify_sin, gfc_resolve_sin,
2758 x, BT_REAL, dr, REQUIRED);
2759
2760 add_sym_1 ("dsin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2761 gfc_check_fn_d, gfc_simplify_sin, gfc_resolve_sin,
2762 x, BT_REAL, dd, REQUIRED);
2763
2764 add_sym_1 ("csin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
2765 NULL, gfc_simplify_sin, gfc_resolve_sin,
2766 x, BT_COMPLEX, dz, REQUIRED);
2767
2768 add_sym_1 ("zsin", GFC_ISYM_SIN, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
2769 NULL, gfc_simplify_sin, gfc_resolve_sin,
2770 x, BT_COMPLEX, dd, REQUIRED);
2771
2772 make_alias ("cdsin", GFC_STD_GNU);
2773
2774 make_generic ("sin", GFC_ISYM_SIN, GFC_STD_F77);
2775
2776 add_sym_1 ("sinh", GFC_ISYM_SINH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2777 gfc_check_fn_rc2008, gfc_simplify_sinh, gfc_resolve_sinh,
2778 x, BT_REAL, dr, REQUIRED);
2779
2780 add_sym_1 ("dsinh", GFC_ISYM_SINH,CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2781 gfc_check_fn_d, gfc_simplify_sinh, gfc_resolve_sinh,
2782 x, BT_REAL, dd, REQUIRED);
2783
2784 make_generic ("sinh", GFC_ISYM_SINH, GFC_STD_F77);
2785
2786 add_sym_3 ("size", GFC_ISYM_SIZE, CLASS_INQUIRY, ACTUAL_NO,
2787 BT_INTEGER, di, GFC_STD_F95,
2788 gfc_check_size, gfc_simplify_size, gfc_resolve_size,
2789 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2790 kind, BT_INTEGER, di, OPTIONAL);
2791
2792 make_generic ("size", GFC_ISYM_SIZE, GFC_STD_F95);
2793
2794 /* Obtain the stride for a given dimensions; to be used only internally.
2795 "make_from_module" makes it inaccessible for external users. */
2796 add_sym_2 (GFC_PREFIX ("stride"), GFC_ISYM_STRIDE, CLASS_INQUIRY, ACTUAL_NO,
2797 BT_INTEGER, gfc_index_integer_kind, GFC_STD_GNU,
2798 NULL, NULL, gfc_resolve_stride,
2799 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL);
2800 make_from_module();
2801
2802 add_sym_1 ("sizeof", GFC_ISYM_SIZEOF, CLASS_INQUIRY, ACTUAL_NO,
2803 BT_INTEGER, ii, GFC_STD_GNU,
2804 gfc_check_sizeof, gfc_simplify_sizeof, NULL,
2805 x, BT_UNKNOWN, 0, REQUIRED);
2806
2807 make_generic ("sizeof", GFC_ISYM_SIZEOF, GFC_STD_GNU);
2808
2809 /* The following functions are part of ISO_C_BINDING. */
2810 add_sym_2 ("c_associated", GFC_ISYM_C_ASSOCIATED, CLASS_INQUIRY, ACTUAL_NO,
2811 BT_LOGICAL, dl, GFC_STD_F2003, gfc_check_c_associated, NULL, NULL,
2812 "C_PTR_1", BT_VOID, 0, REQUIRED,
2813 "C_PTR_2", BT_VOID, 0, OPTIONAL);
2814 make_from_module();
2815
2816 add_sym_1 ("c_loc", GFC_ISYM_C_LOC, CLASS_INQUIRY, ACTUAL_NO,
2817 BT_VOID, 0, GFC_STD_F2003,
2818 gfc_check_c_loc, NULL, gfc_resolve_c_loc,
2819 x, BT_UNKNOWN, 0, REQUIRED);
2820 make_from_module();
2821
2822 add_sym_1 ("c_funloc", GFC_ISYM_C_FUNLOC, CLASS_INQUIRY, ACTUAL_NO,
2823 BT_VOID, 0, GFC_STD_F2003,
2824 gfc_check_c_funloc, NULL, gfc_resolve_c_funloc,
2825 x, BT_UNKNOWN, 0, REQUIRED);
2826 make_from_module();
2827
2828 add_sym_1 ("c_sizeof", GFC_ISYM_C_SIZEOF, CLASS_INQUIRY, ACTUAL_NO,
2829 BT_INTEGER, gfc_index_integer_kind, GFC_STD_F2008,
2830 gfc_check_c_sizeof, gfc_simplify_sizeof, NULL,
2831 x, BT_UNKNOWN, 0, REQUIRED);
2832 make_from_module();
2833
2834 /* COMPILER_OPTIONS and COMPILER_VERSION are part of ISO_FORTRAN_ENV. */
2835 add_sym_0 ("compiler_options", GFC_ISYM_COMPILER_OPTIONS, CLASS_INQUIRY,
2836 ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F2008,
2837 NULL, gfc_simplify_compiler_options, NULL);
2838 make_from_module();
2839
2840 add_sym_0 ("compiler_version", GFC_ISYM_COMPILER_VERSION, CLASS_INQUIRY,
2841 ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F2008,
2842 NULL, gfc_simplify_compiler_version, NULL);
2843 make_from_module();
2844
2845 add_sym_1 ("spacing", GFC_ISYM_SPACING, CLASS_ELEMENTAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2846 gfc_check_x, gfc_simplify_spacing, gfc_resolve_spacing,
2847 x, BT_REAL, dr, REQUIRED);
2848
2849 make_generic ("spacing", GFC_ISYM_SPACING, GFC_STD_F95);
2850
2851 add_sym_3 ("spread", GFC_ISYM_SPREAD, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2852 gfc_check_spread, gfc_simplify_spread, gfc_resolve_spread,
2853 src, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, REQUIRED,
2854 ncopies, BT_INTEGER, di, REQUIRED);
2855
2856 make_generic ("spread", GFC_ISYM_SPREAD, GFC_STD_F95);
2857
2858 add_sym_1 ("sqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2859 gfc_check_fn_rc, gfc_simplify_sqrt, gfc_resolve_sqrt,
2860 x, BT_REAL, dr, REQUIRED);
2861
2862 add_sym_1 ("dsqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2863 gfc_check_fn_d, gfc_simplify_sqrt, gfc_resolve_sqrt,
2864 x, BT_REAL, dd, REQUIRED);
2865
2866 add_sym_1 ("csqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dz, GFC_STD_F77,
2867 NULL, gfc_simplify_sqrt, gfc_resolve_sqrt,
2868 x, BT_COMPLEX, dz, REQUIRED);
2869
2870 add_sym_1 ("zsqrt", GFC_ISYM_SQRT, CLASS_ELEMENTAL, ACTUAL_YES, BT_COMPLEX, dd, GFC_STD_GNU,
2871 NULL, gfc_simplify_sqrt, gfc_resolve_sqrt,
2872 x, BT_COMPLEX, dd, REQUIRED);
2873
2874 make_alias ("cdsqrt", GFC_STD_GNU);
2875
2876 make_generic ("sqrt", GFC_ISYM_SQRT, GFC_STD_F77);
2877
2878 add_sym_2_intent ("stat", GFC_ISYM_STAT, CLASS_IMPURE, ACTUAL_NO,
2879 BT_INTEGER, di, GFC_STD_GNU,
2880 gfc_check_stat, NULL, gfc_resolve_stat,
2881 nm, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
2882 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
2883
2884 make_generic ("stat", GFC_ISYM_STAT, GFC_STD_GNU);
2885
2886 add_sym_2 ("storage_size", GFC_ISYM_STORAGE_SIZE, CLASS_INQUIRY, ACTUAL_NO,
2887 BT_INTEGER, di, GFC_STD_F2008,
2888 gfc_check_storage_size, gfc_simplify_storage_size,
2889 gfc_resolve_storage_size,
2890 a, BT_UNKNOWN, 0, REQUIRED,
2891 kind, BT_INTEGER, di, OPTIONAL);
2892
2893 add_sym_3red ("sum", GFC_ISYM_SUM, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2894 gfc_check_product_sum, gfc_simplify_sum, gfc_resolve_sum,
2895 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2896 msk, BT_LOGICAL, dl, OPTIONAL);
2897
2898 make_generic ("sum", GFC_ISYM_SUM, GFC_STD_F95);
2899
2900 add_sym_2 ("symlnk", GFC_ISYM_SYMLNK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2901 GFC_STD_GNU, gfc_check_symlnk, NULL, gfc_resolve_symlnk,
2902 p1, BT_CHARACTER, dc, REQUIRED, p2, BT_CHARACTER, dc, REQUIRED);
2903
2904 make_generic ("symlnk", GFC_ISYM_SYMLNK, GFC_STD_GNU);
2905
2906 add_sym_1 ("system", GFC_ISYM_SYSTEM, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
2907 GFC_STD_GNU, NULL, NULL, NULL,
2908 com, BT_CHARACTER, dc, REQUIRED);
2909
2910 make_generic ("system", GFC_ISYM_SYSTEM, GFC_STD_GNU);
2911
2912 add_sym_1 ("tan", GFC_ISYM_TAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2913 gfc_check_fn_rc2008, gfc_simplify_tan, gfc_resolve_tan,
2914 x, BT_REAL, dr, REQUIRED);
2915
2916 add_sym_1 ("dtan", GFC_ISYM_TAN, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2917 gfc_check_fn_d, gfc_simplify_tan, gfc_resolve_tan,
2918 x, BT_REAL, dd, REQUIRED);
2919
2920 make_generic ("tan", GFC_ISYM_TAN, GFC_STD_F77);
2921
2922 add_sym_1 ("tanh", GFC_ISYM_TANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dr, GFC_STD_F77,
2923 gfc_check_fn_rc2008, gfc_simplify_tanh, gfc_resolve_tanh,
2924 x, BT_REAL, dr, REQUIRED);
2925
2926 add_sym_1 ("dtanh", GFC_ISYM_TANH, CLASS_ELEMENTAL, ACTUAL_YES, BT_REAL, dd, GFC_STD_F77,
2927 gfc_check_fn_d, gfc_simplify_tanh, gfc_resolve_tanh,
2928 x, BT_REAL, dd, REQUIRED);
2929
2930 make_generic ("tanh", GFC_ISYM_TANH, GFC_STD_F77);
2931
2932 add_sym_3 ("this_image", GFC_ISYM_THIS_IMAGE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2008,
2933 gfc_check_this_image, gfc_simplify_this_image, gfc_resolve_this_image,
2934 ca, BT_REAL, dr, OPTIONAL, dm, BT_INTEGER, ii, OPTIONAL,
2935 dist, BT_INTEGER, di, OPTIONAL);
2936
2937 add_sym_0 ("time", GFC_ISYM_TIME, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2938 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_time);
2939
2940 make_generic ("time", GFC_ISYM_TIME, GFC_STD_GNU);
2941
2942 add_sym_0 ("time8", GFC_ISYM_TIME8, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
2943 di, GFC_STD_GNU, NULL, NULL, gfc_resolve_time8);
2944
2945 make_generic ("time8", GFC_ISYM_TIME8, GFC_STD_GNU);
2946
2947 add_sym_1 ("tiny", GFC_ISYM_TINY, CLASS_INQUIRY, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2948 gfc_check_x, gfc_simplify_tiny, NULL,
2949 x, BT_REAL, dr, REQUIRED);
2950
2951 make_generic ("tiny", GFC_ISYM_TINY, GFC_STD_F95);
2952
2953 add_sym_1 ("trailz", GFC_ISYM_TRAILZ, CLASS_ELEMENTAL, ACTUAL_NO,
2954 BT_INTEGER, di, GFC_STD_F2008,
2955 gfc_check_i, gfc_simplify_trailz, NULL,
2956 i, BT_INTEGER, di, REQUIRED);
2957
2958 make_generic ("trailz", GFC_ISYM_TRAILZ, GFC_STD_F2008);
2959
2960 add_sym_3 ("transfer", GFC_ISYM_TRANSFER, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2961 gfc_check_transfer, gfc_simplify_transfer, gfc_resolve_transfer,
2962 src, BT_REAL, dr, REQUIRED, mo, BT_REAL, dr, REQUIRED,
2963 sz, BT_INTEGER, di, OPTIONAL);
2964
2965 make_generic ("transfer", GFC_ISYM_TRANSFER, GFC_STD_F95);
2966
2967 add_sym_1 ("transpose", GFC_ISYM_TRANSPOSE, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
2968 gfc_check_transpose, gfc_simplify_transpose, gfc_resolve_transpose,
2969 m, BT_REAL, dr, REQUIRED);
2970
2971 make_generic ("transpose", GFC_ISYM_TRANSPOSE, GFC_STD_F95);
2972
2973 add_sym_1 ("trim", GFC_ISYM_TRIM, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F95,
2974 gfc_check_trim, gfc_simplify_trim, gfc_resolve_trim,
2975 stg, BT_CHARACTER, dc, REQUIRED);
2976
2977 make_generic ("trim", GFC_ISYM_TRIM, GFC_STD_F95);
2978
2979 add_sym_1 ("ttynam", GFC_ISYM_TTYNAM, CLASS_IMPURE, ACTUAL_NO, BT_CHARACTER,
2980 0, GFC_STD_GNU, gfc_check_ttynam, NULL, gfc_resolve_ttynam,
2981 ut, BT_INTEGER, di, REQUIRED);
2982
2983 make_generic ("ttynam", GFC_ISYM_TTYNAM, GFC_STD_GNU);
2984
2985 add_sym_3 ("ubound", GFC_ISYM_UBOUND, CLASS_INQUIRY, ACTUAL_NO,
2986 BT_INTEGER, di, GFC_STD_F95,
2987 gfc_check_ubound, gfc_simplify_ubound, gfc_resolve_ubound,
2988 ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2989 kind, BT_INTEGER, di, OPTIONAL);
2990
2991 make_generic ("ubound", GFC_ISYM_UBOUND, GFC_STD_F95);
2992
2993 add_sym_3 ("ucobound", GFC_ISYM_UCOBOUND, CLASS_INQUIRY, ACTUAL_NO,
2994 BT_INTEGER, di, GFC_STD_F2008,
2995 gfc_check_ucobound, gfc_simplify_ucobound, gfc_resolve_ucobound,
2996 ca, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
2997 kind, BT_INTEGER, di, OPTIONAL);
2998
2999 make_generic ("ucobound", GFC_ISYM_UCOBOUND, GFC_STD_F2008);
3000
3001 /* g77 compatibility for UMASK. */
3002 add_sym_1 ("umask", GFC_ISYM_UMASK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, di,
3003 GFC_STD_GNU, gfc_check_umask, NULL, gfc_resolve_umask,
3004 msk, BT_INTEGER, di, REQUIRED);
3005
3006 make_generic ("umask", GFC_ISYM_UMASK, GFC_STD_GNU);
3007
3008 /* g77 compatibility for UNLINK. */
3009 add_sym_1 ("unlink", GFC_ISYM_UNLINK, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER,
3010 di, GFC_STD_GNU, gfc_check_unlink, NULL, gfc_resolve_unlink,
3011 "path", BT_CHARACTER, dc, REQUIRED);
3012
3013 make_generic ("unlink", GFC_ISYM_UNLINK, GFC_STD_GNU);
3014
3015 add_sym_3 ("unpack", GFC_ISYM_UNPACK, CLASS_TRANSFORMATIONAL, ACTUAL_NO, BT_REAL, dr, GFC_STD_F95,
3016 gfc_check_unpack, gfc_simplify_unpack, gfc_resolve_unpack,
3017 v, BT_REAL, dr, REQUIRED, msk, BT_LOGICAL, dl, REQUIRED,
3018 f, BT_REAL, dr, REQUIRED);
3019
3020 make_generic ("unpack", GFC_ISYM_UNPACK, GFC_STD_F95);
3021
3022 add_sym_4 ("verify", GFC_ISYM_VERIFY, CLASS_ELEMENTAL, ACTUAL_NO,
3023 BT_INTEGER, di, GFC_STD_F95,
3024 gfc_check_verify, gfc_simplify_verify, gfc_resolve_verify,
3025 stg, BT_CHARACTER, dc, REQUIRED, set, BT_CHARACTER, dc, REQUIRED,
3026 bck, BT_LOGICAL, dl, OPTIONAL, kind, BT_INTEGER, di, OPTIONAL);
3027
3028 make_generic ("verify", GFC_ISYM_VERIFY, GFC_STD_F95);
3029
3030 add_sym_1 ("loc", GFC_ISYM_LOC, CLASS_IMPURE, ACTUAL_NO, BT_INTEGER, ii,
3031 GFC_STD_GNU, gfc_check_loc, NULL, gfc_resolve_loc,
3032 x, BT_UNKNOWN, 0, REQUIRED);
3033
3034 make_generic ("loc", GFC_ISYM_LOC, GFC_STD_GNU);
3035
3036 /* The following function is internally used for coarray libray functions.
3037 "make_from_module" makes it inaccessible for external users. */
3038 add_sym_1 (GFC_PREFIX ("caf_get"), GFC_ISYM_CAF_GET, CLASS_IMPURE, ACTUAL_NO,
3039 BT_REAL, dr, GFC_STD_GNU, NULL, NULL, NULL,
3040 x, BT_REAL, dr, REQUIRED);
3041 make_from_module();
3042 }
3043
3044
3045 /* Add intrinsic subroutines. */
3046
3047 static void
3048 add_subroutines (void)
3049 {
3050 /* Argument names as in the standard (to be used as argument keywords). */
3051 const char
3052 *a = "a", *h = "harvest", *dt = "date", *vl = "values", *pt = "put",
3053 *c = "count", *tm = "time", *tp = "topos", *gt = "get",
3054 *t = "to", *zn = "zone", *fp = "frompos", *cm = "count_max",
3055 *f = "from", *sz = "size", *ln = "len", *cr = "count_rate",
3056 *com = "command", *length = "length", *st = "status",
3057 *val = "value", *num = "number", *name = "name",
3058 *trim_name = "trim_name", *ut = "unit", *han = "handler",
3059 *sec = "seconds", *res = "result", *of = "offset", *md = "mode",
3060 *whence = "whence", *pos = "pos", *ptr = "ptr", *p1 = "path1",
3061 *p2 = "path2", *msk = "mask", *old = "old", *result_image = "result_image",
3062 *stat = "stat", *errmsg = "errmsg";
3063
3064 int di, dr, dc, dl, ii;
3065
3066 di = gfc_default_integer_kind;
3067 dr = gfc_default_real_kind;
3068 dc = gfc_default_character_kind;
3069 dl = gfc_default_logical_kind;
3070 ii = gfc_index_integer_kind;
3071
3072 add_sym_0s ("abort", GFC_ISYM_ABORT, GFC_STD_GNU, NULL);
3073
3074 make_noreturn();
3075
3076 add_sym_3s ("atomic_define", GFC_ISYM_ATOMIC_DEF, CLASS_ATOMIC,
3077 BT_UNKNOWN, 0, GFC_STD_F2008,
3078 gfc_check_atomic_def, NULL, gfc_resolve_atomic_def,
3079 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3080 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3081 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3082
3083 add_sym_3s ("atomic_ref", GFC_ISYM_ATOMIC_REF, CLASS_ATOMIC,
3084 BT_UNKNOWN, 0, GFC_STD_F2008,
3085 gfc_check_atomic_ref, NULL, gfc_resolve_atomic_ref,
3086 "value", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3087 "atom", BT_INTEGER, di, REQUIRED, INTENT_IN,
3088 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3089
3090 add_sym_5s ("atomic_cas", GFC_ISYM_ATOMIC_CAS, CLASS_ATOMIC,
3091 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3092 gfc_check_atomic_cas, NULL, NULL,
3093 "atom", BT_INTEGER, di, REQUIRED, INTENT_INOUT,
3094 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3095 "compare", BT_INTEGER, di, REQUIRED, INTENT_IN,
3096 "new", BT_INTEGER, di, REQUIRED, INTENT_IN,
3097 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3098
3099 add_sym_3s ("atomic_add", GFC_ISYM_ATOMIC_ADD, CLASS_ATOMIC,
3100 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3101 gfc_check_atomic_op, NULL, NULL,
3102 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3103 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3104 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3105
3106 add_sym_3s ("atomic_and", GFC_ISYM_ATOMIC_AND, CLASS_ATOMIC,
3107 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3108 gfc_check_atomic_op, NULL, NULL,
3109 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3110 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3111 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3112
3113 add_sym_3s ("atomic_or", GFC_ISYM_ATOMIC_OR, CLASS_ATOMIC,
3114 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3115 gfc_check_atomic_op, NULL, NULL,
3116 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3117 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3118 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3119
3120 add_sym_3s ("atomic_xor", GFC_ISYM_ATOMIC_XOR, CLASS_ATOMIC,
3121 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3122 gfc_check_atomic_op, NULL, NULL,
3123 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3124 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3125 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3126
3127 add_sym_4s ("atomic_fetch_add", GFC_ISYM_ATOMIC_FETCH_ADD, CLASS_ATOMIC,
3128 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3129 gfc_check_atomic_fetch_op, NULL, NULL,
3130 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3131 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3132 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3133 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3134
3135 add_sym_4s ("atomic_fetch_and", GFC_ISYM_ATOMIC_FETCH_AND, CLASS_ATOMIC,
3136 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3137 gfc_check_atomic_fetch_op, NULL, NULL,
3138 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3139 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3140 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3141 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3142
3143 add_sym_4s ("atomic_fetch_or", GFC_ISYM_ATOMIC_FETCH_OR, CLASS_ATOMIC,
3144 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3145 gfc_check_atomic_fetch_op, NULL, NULL,
3146 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3147 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3148 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3149 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3150
3151 add_sym_4s ("atomic_fetch_xor", GFC_ISYM_ATOMIC_FETCH_XOR, CLASS_ATOMIC,
3152 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3153 gfc_check_atomic_fetch_op, NULL, NULL,
3154 "atom", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3155 "value", BT_INTEGER, di, REQUIRED, INTENT_IN,
3156 "old", BT_INTEGER, di, REQUIRED, INTENT_OUT,
3157 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3158
3159 add_sym_0s ("backtrace", GFC_ISYM_BACKTRACE, GFC_STD_GNU, NULL);
3160
3161 add_sym_1s ("cpu_time", GFC_ISYM_CPU_TIME, CLASS_IMPURE, BT_UNKNOWN, 0,
3162 GFC_STD_F95, gfc_check_cpu_time, NULL, gfc_resolve_cpu_time,
3163 tm, BT_REAL, dr, REQUIRED, INTENT_OUT);
3164
3165 /* More G77 compatibility garbage. */
3166 add_sym_2s ("ctime", GFC_ISYM_CTIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3167 gfc_check_ctime_sub, NULL, gfc_resolve_ctime_sub,
3168 tm, BT_INTEGER, di, REQUIRED, INTENT_IN,
3169 res, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3170
3171 add_sym_1s ("idate", GFC_ISYM_IDATE, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3172 gfc_check_itime_idate, NULL, gfc_resolve_idate,
3173 vl, BT_INTEGER, 4, REQUIRED, INTENT_OUT);
3174
3175 add_sym_1s ("itime", GFC_ISYM_ITIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3176 gfc_check_itime_idate, NULL, gfc_resolve_itime,
3177 vl, BT_INTEGER, 4, REQUIRED, INTENT_OUT);
3178
3179 add_sym_2s ("ltime", GFC_ISYM_LTIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3180 gfc_check_ltime_gmtime, NULL, gfc_resolve_ltime,
3181 tm, BT_INTEGER, di, REQUIRED, INTENT_IN,
3182 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
3183
3184 add_sym_2s ("gmtime", GFC_ISYM_GMTIME, CLASS_IMPURE, BT_UNKNOWN, 0,
3185 GFC_STD_GNU, gfc_check_ltime_gmtime, NULL, gfc_resolve_gmtime,
3186 tm, BT_INTEGER, di, REQUIRED, INTENT_IN,
3187 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT);
3188
3189 add_sym_1s ("second", GFC_ISYM_SECOND, CLASS_IMPURE, BT_UNKNOWN, 0,
3190 GFC_STD_GNU, gfc_check_second_sub, NULL, gfc_resolve_second_sub,
3191 tm, BT_REAL, dr, REQUIRED, INTENT_OUT);
3192
3193 add_sym_2s ("chdir", GFC_ISYM_CHDIR, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3194 gfc_check_chdir_sub, NULL, gfc_resolve_chdir_sub,
3195 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3196 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3197
3198 add_sym_3s ("chmod", GFC_ISYM_CHMOD, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3199 gfc_check_chmod_sub, NULL, gfc_resolve_chmod_sub,
3200 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3201 md, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3202 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3203
3204 add_sym_4s ("date_and_time", GFC_ISYM_DATE_AND_TIME, CLASS_IMPURE, BT_UNKNOWN,
3205 0, GFC_STD_F95, gfc_check_date_and_time, NULL, NULL,
3206 dt, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3207 tm, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3208 zn, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3209 vl, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3210
3211 /* More G77 compatibility garbage. */
3212 add_sym_2s ("etime", GFC_ISYM_ETIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3213 gfc_check_dtime_etime_sub, NULL, gfc_resolve_etime_sub,
3214 vl, BT_REAL, 4, REQUIRED, INTENT_OUT,
3215 tm, BT_REAL, 4, REQUIRED, INTENT_OUT);
3216
3217 add_sym_2s ("dtime", GFC_ISYM_DTIME, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3218 gfc_check_dtime_etime_sub, NULL, gfc_resolve_dtime_sub,
3219 vl, BT_REAL, 4, REQUIRED, INTENT_OUT,
3220 tm, BT_REAL, 4, REQUIRED, INTENT_OUT);
3221
3222 add_sym_5s ("execute_command_line", GFC_ISYM_EXECUTE_COMMAND_LINE,
3223 CLASS_IMPURE , BT_UNKNOWN, 0, GFC_STD_F2008,
3224 NULL, NULL, gfc_resolve_execute_command_line,
3225 "command", BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3226 "wait", BT_LOGICAL, dl, OPTIONAL, INTENT_IN,
3227 "exitstat", BT_INTEGER, di, OPTIONAL, INTENT_INOUT,
3228 "cmdstat", BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3229 "cmdmsg", BT_CHARACTER, dc, OPTIONAL, INTENT_INOUT);
3230
3231 add_sym_1s ("fdate", GFC_ISYM_FDATE, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3232 gfc_check_fdate_sub, NULL, gfc_resolve_fdate_sub,
3233 dt, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3234
3235 add_sym_1s ("gerror", GFC_ISYM_GERROR, CLASS_IMPURE, BT_UNKNOWN,
3236 0, GFC_STD_GNU, gfc_check_gerror, NULL, gfc_resolve_gerror,
3237 res, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3238
3239 add_sym_2s ("getcwd", GFC_ISYM_GETCWD, CLASS_IMPURE, BT_UNKNOWN, 0,
3240 GFC_STD_GNU, gfc_check_getcwd_sub, NULL, gfc_resolve_getcwd_sub,
3241 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3242 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3243
3244 add_sym_2s ("getenv", GFC_ISYM_GETENV, CLASS_IMPURE, BT_UNKNOWN,
3245 0, GFC_STD_GNU, NULL, NULL, NULL,
3246 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3247 val, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3248
3249 add_sym_2s ("getarg", GFC_ISYM_GETARG, CLASS_IMPURE, BT_UNKNOWN,
3250 0, GFC_STD_GNU, gfc_check_getarg, NULL, gfc_resolve_getarg,
3251 pos, BT_INTEGER, di, REQUIRED, INTENT_IN,
3252 val, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3253
3254 add_sym_1s ("getlog", GFC_ISYM_GETLOG, CLASS_IMPURE, BT_UNKNOWN,
3255 0, GFC_STD_GNU, gfc_check_getlog, NULL, gfc_resolve_getlog,
3256 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3257
3258 /* F2003 commandline routines. */
3259
3260 add_sym_3s ("get_command", GFC_ISYM_GET_COMMAND, CLASS_IMPURE,
3261 BT_UNKNOWN, 0, GFC_STD_F2003,
3262 NULL, NULL, gfc_resolve_get_command,
3263 com, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3264 length, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3265 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3266
3267 add_sym_4s ("get_command_argument", GFC_ISYM_GET_COMMAND_ARGUMENT,
3268 CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_F2003, NULL, NULL,
3269 gfc_resolve_get_command_argument,
3270 num, BT_INTEGER, di, REQUIRED, INTENT_IN,
3271 val, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3272 length, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3273 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3274
3275 /* F2003 subroutine to get environment variables. */
3276
3277 add_sym_5s ("get_environment_variable", GFC_ISYM_GET_ENVIRONMENT_VARIABLE,
3278 CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_F2003,
3279 NULL, NULL, gfc_resolve_get_environment_variable,
3280 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3281 val, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT,
3282 length, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3283 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3284 trim_name, BT_LOGICAL, dl, OPTIONAL, INTENT_IN);
3285
3286 add_sym_2s ("move_alloc", GFC_ISYM_MOVE_ALLOC, CLASS_PURE, BT_UNKNOWN, 0,
3287 GFC_STD_F2003,
3288 gfc_check_move_alloc, NULL, NULL,
3289 f, BT_UNKNOWN, 0, REQUIRED, INTENT_INOUT,
3290 t, BT_UNKNOWN, 0, REQUIRED, INTENT_OUT);
3291
3292 add_sym_5s ("mvbits", GFC_ISYM_MVBITS, CLASS_ELEMENTAL, BT_UNKNOWN, 0,
3293 GFC_STD_F95, gfc_check_mvbits, gfc_simplify_mvbits,
3294 gfc_resolve_mvbits,
3295 f, BT_INTEGER, di, REQUIRED, INTENT_IN,
3296 fp, BT_INTEGER, di, REQUIRED, INTENT_IN,
3297 ln, BT_INTEGER, di, REQUIRED, INTENT_IN,
3298 t, BT_INTEGER, di, REQUIRED, INTENT_INOUT,
3299 tp, BT_INTEGER, di, REQUIRED, INTENT_IN);
3300
3301 add_sym_1s ("random_number", GFC_ISYM_RANDOM_NUMBER, CLASS_IMPURE,
3302 BT_UNKNOWN, 0, GFC_STD_F95,
3303 gfc_check_random_number, NULL, gfc_resolve_random_number,
3304 h, BT_REAL, dr, REQUIRED, INTENT_OUT);
3305
3306 add_sym_3s ("random_seed", GFC_ISYM_RANDOM_SEED, CLASS_IMPURE,
3307 BT_UNKNOWN, 0, GFC_STD_F95,
3308 gfc_check_random_seed, NULL, gfc_resolve_random_seed,
3309 sz, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3310 pt, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3311 gt, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3312
3313 /* The following subroutines are part of ISO_C_BINDING. */
3314
3315 add_sym_3s ("c_f_pointer", GFC_ISYM_C_F_POINTER, CLASS_IMPURE, BT_UNKNOWN, 0,
3316 GFC_STD_F2003, gfc_check_c_f_pointer, NULL, NULL,
3317 "cptr", BT_VOID, 0, REQUIRED, INTENT_IN,
3318 "fptr", BT_UNKNOWN, 0, REQUIRED, INTENT_OUT,
3319 "shape", BT_INTEGER, di, OPTIONAL, INTENT_IN);
3320 make_from_module();
3321
3322 add_sym_2s ("c_f_procpointer", GFC_ISYM_C_F_PROCPOINTER, CLASS_IMPURE,
3323 BT_UNKNOWN, 0, GFC_STD_F2003, gfc_check_c_f_procpointer,
3324 NULL, NULL,
3325 "cptr", BT_VOID, 0, REQUIRED, INTENT_IN,
3326 "fptr", BT_UNKNOWN, 0, REQUIRED, INTENT_OUT);
3327 make_from_module();
3328
3329 /* Internal subroutine for emitting a runtime error. */
3330
3331 add_sym_1p ("fe_runtime_error", GFC_ISYM_FE_RUNTIME_ERROR, CLASS_IMPURE,
3332 BT_UNKNOWN, 0, GFC_STD_GNU,
3333 gfc_check_fe_runtime_error, NULL, gfc_resolve_fe_runtime_error,
3334 "msg", BT_CHARACTER, dc, REQUIRED, INTENT_IN);
3335
3336 make_noreturn ();
3337 make_vararg ();
3338 make_from_module ();
3339
3340 /* Coarray collectives. */
3341 add_sym_4s ("co_broadcast", GFC_ISYM_CO_BROADCAST, CLASS_IMPURE,
3342 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3343 gfc_check_co_broadcast, NULL, NULL,
3344 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3345 "source_image", BT_INTEGER, di, REQUIRED, INTENT_IN,
3346 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3347 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3348
3349 add_sym_4s ("co_max", GFC_ISYM_CO_MAX, CLASS_IMPURE,
3350 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3351 gfc_check_co_minmax, NULL, NULL,
3352 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3353 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3354 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3355 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3356
3357 add_sym_4s ("co_min", GFC_ISYM_CO_MIN, CLASS_IMPURE,
3358 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3359 gfc_check_co_minmax, NULL, NULL,
3360 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3361 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3362 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3363 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3364
3365 add_sym_4s ("co_sum", GFC_ISYM_CO_SUM, CLASS_IMPURE,
3366 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3367 gfc_check_co_sum, NULL, NULL,
3368 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3369 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3370 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3371 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3372
3373 add_sym_5s ("co_reduce", GFC_ISYM_CO_REDUCE, CLASS_IMPURE,
3374 BT_UNKNOWN, 0, GFC_STD_F2008_TS,
3375 gfc_check_co_reduce, NULL, NULL,
3376 a, BT_REAL, dr, REQUIRED, INTENT_INOUT,
3377 "operator", BT_INTEGER, di, REQUIRED, INTENT_IN,
3378 result_image, BT_INTEGER, di, OPTIONAL, INTENT_IN,
3379 stat, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3380 errmsg, BT_CHARACTER, dc, OPTIONAL, INTENT_OUT);
3381
3382
3383 /* The following subroutine is internally used for coarray libray functions.
3384 "make_from_module" makes it inaccessible for external users. */
3385 add_sym_2s (GFC_PREFIX ("caf_send"), GFC_ISYM_CAF_SEND, CLASS_IMPURE,
3386 BT_UNKNOWN, 0, GFC_STD_GNU, NULL, NULL, NULL,
3387 "x", BT_REAL, dr, REQUIRED, INTENT_OUT,
3388 "y", BT_REAL, dr, REQUIRED, INTENT_IN);
3389 make_from_module();
3390
3391
3392 /* More G77 compatibility garbage. */
3393 add_sym_3s ("alarm", GFC_ISYM_ALARM, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3394 gfc_check_alarm_sub, NULL, gfc_resolve_alarm_sub,
3395 sec, BT_INTEGER, di, REQUIRED, INTENT_IN,
3396 han, BT_UNKNOWN, 0, REQUIRED, INTENT_IN,
3397 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3398
3399 add_sym_1s ("srand", GFC_ISYM_SRAND, CLASS_IMPURE, BT_UNKNOWN,
3400 di, GFC_STD_GNU, gfc_check_srand, NULL, gfc_resolve_srand,
3401 "seed", BT_INTEGER, 4, REQUIRED, INTENT_IN);
3402
3403 add_sym_1s ("exit", GFC_ISYM_EXIT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3404 gfc_check_exit, NULL, gfc_resolve_exit,
3405 st, BT_INTEGER, di, OPTIONAL, INTENT_IN);
3406
3407 make_noreturn();
3408
3409 add_sym_3s ("fgetc", GFC_ISYM_FGETC, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3410 gfc_check_fgetputc_sub, NULL, gfc_resolve_fgetc_sub,
3411 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3412 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3413 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3414
3415 add_sym_2s ("fget", GFC_ISYM_FGET, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3416 gfc_check_fgetput_sub, NULL, gfc_resolve_fget_sub,
3417 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3418 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3419
3420 add_sym_1s ("flush", GFC_ISYM_FLUSH, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3421 gfc_check_flush, NULL, gfc_resolve_flush,
3422 ut, BT_INTEGER, di, OPTIONAL, INTENT_IN);
3423
3424 add_sym_3s ("fputc", GFC_ISYM_FPUTC, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3425 gfc_check_fgetputc_sub, NULL, gfc_resolve_fputc_sub,
3426 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3427 c, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3428 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3429
3430 add_sym_2s ("fput", GFC_ISYM_FPUT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3431 gfc_check_fgetput_sub, NULL, gfc_resolve_fput_sub,
3432 c, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3433 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3434
3435 add_sym_1s ("free", GFC_ISYM_FREE, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3436 gfc_check_free, NULL, gfc_resolve_free,
3437 ptr, BT_INTEGER, ii, REQUIRED, INTENT_INOUT);
3438
3439 add_sym_4s ("fseek", GFC_ISYM_FSEEK, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3440 gfc_check_fseek_sub, NULL, gfc_resolve_fseek_sub,
3441 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3442 of, BT_INTEGER, di, REQUIRED, INTENT_IN,
3443 whence, BT_INTEGER, di, REQUIRED, INTENT_IN,
3444 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3445
3446 add_sym_2s ("ftell", GFC_ISYM_FTELL, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3447 gfc_check_ftell_sub, NULL, gfc_resolve_ftell_sub,
3448 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3449 of, BT_INTEGER, ii, REQUIRED, INTENT_OUT);
3450
3451 add_sym_2s ("hostnm", GFC_ISYM_HOSTNM, CLASS_IMPURE, BT_UNKNOWN, 0,
3452 GFC_STD_GNU, gfc_check_hostnm_sub, NULL, gfc_resolve_hostnm_sub,
3453 c, BT_CHARACTER, dc, REQUIRED, INTENT_OUT,
3454 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3455
3456 add_sym_3s ("kill", GFC_ISYM_KILL, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3457 gfc_check_kill_sub, NULL, gfc_resolve_kill_sub,
3458 c, BT_INTEGER, di, REQUIRED, INTENT_IN,
3459 val, BT_INTEGER, di, REQUIRED, INTENT_IN,
3460 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3461
3462 add_sym_3s ("link", GFC_ISYM_LINK, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3463 gfc_check_link_sub, NULL, gfc_resolve_link_sub,
3464 p1, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3465 p2, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3466 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3467
3468 add_sym_1s ("perror", GFC_ISYM_PERROR, CLASS_IMPURE, BT_UNKNOWN,
3469 0, GFC_STD_GNU, gfc_check_perror, NULL, gfc_resolve_perror,
3470 "string", BT_CHARACTER, dc, REQUIRED, INTENT_IN);
3471
3472 add_sym_3s ("rename", GFC_ISYM_RENAME, CLASS_IMPURE, BT_UNKNOWN, 0,
3473 GFC_STD_GNU, gfc_check_rename_sub, NULL, gfc_resolve_rename_sub,
3474 p1, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3475 p2, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3476 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3477
3478 add_sym_1s ("sleep", GFC_ISYM_SLEEP, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3479 gfc_check_sleep_sub, NULL, gfc_resolve_sleep_sub,
3480 sec, BT_INTEGER, di, REQUIRED, INTENT_IN);
3481
3482 add_sym_3s ("fstat", GFC_ISYM_FSTAT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3483 gfc_check_fstat_sub, NULL, gfc_resolve_fstat_sub,
3484 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3485 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT,
3486 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3487
3488 add_sym_3s ("lstat", GFC_ISYM_LSTAT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3489 gfc_check_stat_sub, NULL, gfc_resolve_lstat_sub,
3490 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3491 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT,
3492 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3493
3494 add_sym_3s ("stat", GFC_ISYM_STAT, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3495 gfc_check_stat_sub, NULL, gfc_resolve_stat_sub,
3496 name, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3497 vl, BT_INTEGER, di, REQUIRED, INTENT_OUT,
3498 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3499
3500 add_sym_3s ("signal", GFC_ISYM_SIGNAL, CLASS_IMPURE, BT_UNKNOWN, 0,
3501 GFC_STD_GNU, gfc_check_signal_sub, NULL, gfc_resolve_signal_sub,
3502 num, BT_INTEGER, di, REQUIRED, INTENT_IN,
3503 han, BT_UNKNOWN, 0, REQUIRED, INTENT_IN,
3504 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3505
3506 add_sym_3s ("symlnk", GFC_ISYM_SYMLINK, CLASS_IMPURE, BT_UNKNOWN, 0,
3507 GFC_STD_GNU, gfc_check_symlnk_sub, NULL, gfc_resolve_symlnk_sub,
3508 p1, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3509 p2, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3510 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3511
3512 add_sym_2s ("system", GFC_ISYM_SYSTEM, CLASS_IMPURE, BT_UNKNOWN,
3513 0, GFC_STD_GNU, NULL, NULL, gfc_resolve_system_sub,
3514 com, BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3515 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3516
3517 add_sym_3s ("system_clock", GFC_ISYM_SYSTEM_CLOCK, CLASS_IMPURE,
3518 BT_UNKNOWN, 0, GFC_STD_F95,
3519 gfc_check_system_clock, NULL, gfc_resolve_system_clock,
3520 c, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3521 cr, BT_INTEGER, di, OPTIONAL, INTENT_OUT,
3522 cm, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3523
3524 add_sym_2s ("ttynam", GFC_ISYM_TTYNAM, CLASS_IMPURE, BT_UNKNOWN, 0,
3525 GFC_STD_GNU, gfc_check_ttynam_sub, NULL, gfc_resolve_ttynam_sub,
3526 ut, BT_INTEGER, di, REQUIRED, INTENT_IN,
3527 name, BT_CHARACTER, dc, REQUIRED, INTENT_OUT);
3528
3529 add_sym_2s ("umask", GFC_ISYM_UMASK, CLASS_IMPURE, BT_UNKNOWN, 0, GFC_STD_GNU,
3530 gfc_check_umask_sub, NULL, gfc_resolve_umask_sub,
3531 msk, BT_INTEGER, di, REQUIRED, INTENT_IN,
3532 old, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3533
3534 add_sym_2s ("unlink", GFC_ISYM_UNLINK, CLASS_IMPURE, BT_UNKNOWN, 0,
3535 GFC_STD_GNU, gfc_check_unlink_sub, NULL, gfc_resolve_unlink_sub,
3536 "path", BT_CHARACTER, dc, REQUIRED, INTENT_IN,
3537 st, BT_INTEGER, di, OPTIONAL, INTENT_OUT);
3538 }
3539
3540
3541 /* Add a function to the list of conversion symbols. */
3542
3543 static void
3544 add_conv (bt from_type, int from_kind, bt to_type, int to_kind, int standard)
3545 {
3546 gfc_typespec from, to;
3547 gfc_intrinsic_sym *sym;
3548
3549 if (sizing == SZ_CONVS)
3550 {
3551 nconv++;
3552 return;
3553 }
3554
3555 gfc_clear_ts (&from);
3556 from.type = from_type;
3557 from.kind = from_kind;
3558
3559 gfc_clear_ts (&to);
3560 to.type = to_type;
3561 to.kind = to_kind;
3562
3563 sym = conversion + nconv;
3564
3565 sym->name = conv_name (&from, &to);
3566 sym->lib_name = sym->name;
3567 sym->simplify.cc = gfc_convert_constant;
3568 sym->standard = standard;
3569 sym->elemental = 1;
3570 sym->pure = 1;
3571 sym->conversion = 1;
3572 sym->ts = to;
3573 sym->id = GFC_ISYM_CONVERSION;
3574
3575 nconv++;
3576 }
3577
3578
3579 /* Create gfc_intrinsic_sym nodes for all intrinsic conversion
3580 functions by looping over the kind tables. */
3581
3582 static void
3583 add_conversions (void)
3584 {
3585 int i, j;
3586
3587 /* Integer-Integer conversions. */
3588 for (i = 0; gfc_integer_kinds[i].kind != 0; i++)
3589 for (j = 0; gfc_integer_kinds[j].kind != 0; j++)
3590 {
3591 if (i == j)
3592 continue;
3593
3594 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3595 BT_INTEGER, gfc_integer_kinds[j].kind, GFC_STD_F77);
3596 }
3597
3598 /* Integer-Real/Complex conversions. */
3599 for (i = 0; gfc_integer_kinds[i].kind != 0; i++)
3600 for (j = 0; gfc_real_kinds[j].kind != 0; j++)
3601 {
3602 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3603 BT_REAL, gfc_real_kinds[j].kind, GFC_STD_F77);
3604
3605 add_conv (BT_REAL, gfc_real_kinds[j].kind,
3606 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_F77);
3607
3608 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3609 BT_COMPLEX, gfc_real_kinds[j].kind, GFC_STD_F77);
3610
3611 add_conv (BT_COMPLEX, gfc_real_kinds[j].kind,
3612 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_F77);
3613 }
3614
3615 if ((gfc_option.allow_std & GFC_STD_LEGACY) != 0)
3616 {
3617 /* Hollerith-Integer conversions. */
3618 for (i = 0; gfc_integer_kinds[i].kind != 0; i++)
3619 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3620 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_LEGACY);
3621 /* Hollerith-Real conversions. */
3622 for (i = 0; gfc_real_kinds[i].kind != 0; i++)
3623 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3624 BT_REAL, gfc_real_kinds[i].kind, GFC_STD_LEGACY);
3625 /* Hollerith-Complex conversions. */
3626 for (i = 0; gfc_real_kinds[i].kind != 0; i++)
3627 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3628 BT_COMPLEX, gfc_real_kinds[i].kind, GFC_STD_LEGACY);
3629
3630 /* Hollerith-Character conversions. */
3631 add_conv (BT_HOLLERITH, gfc_default_character_kind, BT_CHARACTER,
3632 gfc_default_character_kind, GFC_STD_LEGACY);
3633
3634 /* Hollerith-Logical conversions. */
3635 for (i = 0; gfc_logical_kinds[i].kind != 0; i++)
3636 add_conv (BT_HOLLERITH, gfc_default_character_kind,
3637 BT_LOGICAL, gfc_logical_kinds[i].kind, GFC_STD_LEGACY);
3638 }
3639
3640 /* Real/Complex - Real/Complex conversions. */
3641 for (i = 0; gfc_real_kinds[i].kind != 0; i++)
3642 for (j = 0; gfc_real_kinds[j].kind != 0; j++)
3643 {
3644 if (i != j)
3645 {
3646 add_conv (BT_REAL, gfc_real_kinds[i].kind,
3647 BT_REAL, gfc_real_kinds[j].kind, GFC_STD_F77);
3648
3649 add_conv (BT_COMPLEX, gfc_real_kinds[i].kind,
3650 BT_COMPLEX, gfc_real_kinds[j].kind, GFC_STD_F77);
3651 }
3652
3653 add_conv (BT_REAL, gfc_real_kinds[i].kind,
3654 BT_COMPLEX, gfc_real_kinds[j].kind, GFC_STD_F77);
3655
3656 add_conv (BT_COMPLEX, gfc_real_kinds[i].kind,
3657 BT_REAL, gfc_real_kinds[j].kind, GFC_STD_F77);
3658 }
3659
3660 /* Logical/Logical kind conversion. */
3661 for (i = 0; gfc_logical_kinds[i].kind; i++)
3662 for (j = 0; gfc_logical_kinds[j].kind; j++)
3663 {
3664 if (i == j)
3665 continue;
3666
3667 add_conv (BT_LOGICAL, gfc_logical_kinds[i].kind,
3668 BT_LOGICAL, gfc_logical_kinds[j].kind, GFC_STD_F77);
3669 }
3670
3671 /* Integer-Logical and Logical-Integer conversions. */
3672 if ((gfc_option.allow_std & GFC_STD_LEGACY) != 0)
3673 for (i=0; gfc_integer_kinds[i].kind; i++)
3674 for (j=0; gfc_logical_kinds[j].kind; j++)
3675 {
3676 add_conv (BT_INTEGER, gfc_integer_kinds[i].kind,
3677 BT_LOGICAL, gfc_logical_kinds[j].kind, GFC_STD_LEGACY);
3678 add_conv (BT_LOGICAL, gfc_logical_kinds[j].kind,
3679 BT_INTEGER, gfc_integer_kinds[i].kind, GFC_STD_LEGACY);
3680 }
3681 }
3682
3683
3684 static void
3685 add_char_conversions (void)
3686 {
3687 int n, i, j;
3688
3689 /* Count possible conversions. */
3690 for (i = 0; gfc_character_kinds[i].kind != 0; i++)
3691 for (j = 0; gfc_character_kinds[j].kind != 0; j++)
3692 if (i != j)
3693 ncharconv++;
3694
3695 /* Allocate memory. */
3696 char_conversions = XCNEWVEC (gfc_intrinsic_sym, ncharconv);
3697
3698 /* Add the conversions themselves. */
3699 n = 0;
3700 for (i = 0; gfc_character_kinds[i].kind != 0; i++)
3701 for (j = 0; gfc_character_kinds[j].kind != 0; j++)
3702 {
3703 gfc_typespec from, to;
3704
3705 if (i == j)
3706 continue;
3707
3708 gfc_clear_ts (&from);
3709 from.type = BT_CHARACTER;
3710 from.kind = gfc_character_kinds[i].kind;
3711
3712 gfc_clear_ts (&to);
3713 to.type = BT_CHARACTER;
3714 to.kind = gfc_character_kinds[j].kind;
3715
3716 char_conversions[n].name = conv_name (&from, &to);
3717 char_conversions[n].lib_name = char_conversions[n].name;
3718 char_conversions[n].simplify.cc = gfc_convert_char_constant;
3719 char_conversions[n].standard = GFC_STD_F2003;
3720 char_conversions[n].elemental = 1;
3721 char_conversions[n].pure = 1;
3722 char_conversions[n].conversion = 0;
3723 char_conversions[n].ts = to;
3724 char_conversions[n].id = GFC_ISYM_CONVERSION;
3725
3726 n++;
3727 }
3728 }
3729
3730
3731 /* Initialize the table of intrinsics. */
3732 void
3733 gfc_intrinsic_init_1 (void)
3734 {
3735 nargs = nfunc = nsub = nconv = 0;
3736
3737 /* Create a namespace to hold the resolved intrinsic symbols. */
3738 gfc_intrinsic_namespace = gfc_get_namespace (NULL, 0);
3739
3740 sizing = SZ_FUNCS;
3741 add_functions ();
3742 sizing = SZ_SUBS;
3743 add_subroutines ();
3744 sizing = SZ_CONVS;
3745 add_conversions ();
3746
3747 functions = XCNEWVAR (struct gfc_intrinsic_sym,
3748 sizeof (gfc_intrinsic_sym) * (nfunc + nsub)
3749 + sizeof (gfc_intrinsic_arg) * nargs);
3750
3751 next_sym = functions;
3752 subroutines = functions + nfunc;
3753
3754 conversion = XCNEWVEC (gfc_intrinsic_sym, nconv);
3755
3756 next_arg = ((gfc_intrinsic_arg *) (subroutines + nsub)) - 1;
3757
3758 sizing = SZ_NOTHING;
3759 nconv = 0;
3760
3761 add_functions ();
3762 add_subroutines ();
3763 add_conversions ();
3764
3765 /* Character conversion intrinsics need to be treated separately. */
3766 add_char_conversions ();
3767 }
3768
3769
3770 void
3771 gfc_intrinsic_done_1 (void)
3772 {
3773 free (functions);
3774 free (conversion);
3775 free (char_conversions);
3776 gfc_free_namespace (gfc_intrinsic_namespace);
3777 }
3778
3779
3780 /******** Subroutines to check intrinsic interfaces ***********/
3781
3782 /* Given a formal argument list, remove any NULL arguments that may
3783 have been left behind by a sort against some formal argument list. */
3784
3785 static void
3786 remove_nullargs (gfc_actual_arglist **ap)
3787 {
3788 gfc_actual_arglist *head, *tail, *next;
3789
3790 tail = NULL;
3791
3792 for (head = *ap; head; head = next)
3793 {
3794 next = head->next;
3795
3796 if (head->expr == NULL && !head->label)
3797 {
3798 head->next = NULL;
3799 gfc_free_actual_arglist (head);
3800 }
3801 else
3802 {
3803 if (tail == NULL)
3804 *ap = head;
3805 else
3806 tail->next = head;
3807
3808 tail = head;
3809 tail->next = NULL;
3810 }
3811 }
3812
3813 if (tail == NULL)
3814 *ap = NULL;
3815 }
3816
3817
3818 /* Given an actual arglist and a formal arglist, sort the actual
3819 arglist so that its arguments are in a one-to-one correspondence
3820 with the format arglist. Arguments that are not present are given
3821 a blank gfc_actual_arglist structure. If something is obviously
3822 wrong (say, a missing required argument) we abort sorting and
3823 return false. */
3824
3825 static bool
3826 sort_actual (const char *name, gfc_actual_arglist **ap,
3827 gfc_intrinsic_arg *formal, locus *where)
3828 {
3829 gfc_actual_arglist *actual, *a;
3830 gfc_intrinsic_arg *f;
3831
3832 remove_nullargs (ap);
3833 actual = *ap;
3834
3835 for (f = formal; f; f = f->next)
3836 f->actual = NULL;
3837
3838 f = formal;
3839 a = actual;
3840
3841 if (f == NULL && a == NULL) /* No arguments */
3842 return true;
3843
3844 for (;;)
3845 { /* Put the nonkeyword arguments in a 1:1 correspondence */
3846 if (f == NULL)
3847 break;
3848 if (a == NULL)
3849 goto optional;
3850
3851 if (a->name != NULL)
3852 goto keywords;
3853
3854 f->actual = a;
3855
3856 f = f->next;
3857 a = a->next;
3858 }
3859
3860 if (a == NULL)
3861 goto do_sort;
3862
3863 gfc_error ("Too many arguments in call to %qs at %L", name, where);
3864 return false;
3865
3866 keywords:
3867 /* Associate the remaining actual arguments, all of which have
3868 to be keyword arguments. */
3869 for (; a; a = a->next)
3870 {
3871 for (f = formal; f; f = f->next)
3872 if (strcmp (a->name, f->name) == 0)
3873 break;
3874
3875 if (f == NULL)
3876 {
3877 if (a->name[0] == '%')
3878 gfc_error ("The argument list functions %%VAL, %%LOC or %%REF "
3879 "are not allowed in this context at %L", where);
3880 else
3881 gfc_error ("Can't find keyword named %qs in call to %qs at %L",
3882 a->name, name, where);
3883 return false;
3884 }
3885
3886 if (f->actual != NULL)
3887 {
3888 gfc_error ("Argument %qs appears twice in call to %qs at %L",
3889 f->name, name, where);
3890 return false;
3891 }
3892
3893 f->actual = a;
3894 }
3895
3896 optional:
3897 /* At this point, all unmatched formal args must be optional. */
3898 for (f = formal; f; f = f->next)
3899 {
3900 if (f->actual == NULL && f->optional == 0)
3901 {
3902 gfc_error ("Missing actual argument %qs in call to %qs at %L",
3903 f->name, name, where);
3904 return false;
3905 }
3906 }
3907
3908 do_sort:
3909 /* Using the formal argument list, string the actual argument list
3910 together in a way that corresponds with the formal list. */
3911 actual = NULL;
3912
3913 for (f = formal; f; f = f->next)
3914 {
3915 if (f->actual && f->actual->label != NULL && f->ts.type)
3916 {
3917 gfc_error ("ALTERNATE RETURN not permitted at %L", where);
3918 return false;
3919 }
3920
3921 if (f->actual == NULL)
3922 {
3923 a = gfc_get_actual_arglist ();
3924 a->missing_arg_type = f->ts.type;
3925 }
3926 else
3927 a = f->actual;
3928
3929 if (actual == NULL)
3930 *ap = a;
3931 else
3932 actual->next = a;
3933
3934 actual = a;
3935 }
3936 actual->next = NULL; /* End the sorted argument list. */
3937
3938 return true;
3939 }
3940
3941
3942 /* Compare an actual argument list with an intrinsic's formal argument
3943 list. The lists are checked for agreement of type. We don't check
3944 for arrayness here. */
3945
3946 static bool
3947 check_arglist (gfc_actual_arglist **ap, gfc_intrinsic_sym *sym,
3948 int error_flag)
3949 {
3950 gfc_actual_arglist *actual;
3951 gfc_intrinsic_arg *formal;
3952 int i;
3953
3954 formal = sym->formal;
3955 actual = *ap;
3956
3957 i = 0;
3958 for (; formal; formal = formal->next, actual = actual->next, i++)
3959 {
3960 gfc_typespec ts;
3961
3962 if (actual->expr == NULL)
3963 continue;
3964
3965 ts = formal->ts;
3966
3967 /* A kind of 0 means we don't check for kind. */
3968 if (ts.kind == 0)
3969 ts.kind = actual->expr->ts.kind;
3970
3971 if (!gfc_compare_types (&ts, &actual->expr->ts))
3972 {
3973 if (error_flag)
3974 gfc_error ("Type of argument %qs in call to %qs at %L should "
3975 "be %s, not %s", gfc_current_intrinsic_arg[i]->name,
3976 gfc_current_intrinsic, &actual->expr->where,
3977 gfc_typename (&formal->ts),
3978 gfc_typename (&actual->expr->ts));
3979 return false;
3980 }
3981
3982 /* If the formal argument is INTENT([IN]OUT), check for definability. */
3983 if (formal->intent == INTENT_INOUT || formal->intent == INTENT_OUT)
3984 {
3985 const char* context = (error_flag
3986 ? _("actual argument to INTENT = OUT/INOUT")
3987 : NULL);
3988
3989 /* No pointer arguments for intrinsics. */
3990 if (!gfc_check_vardef_context (actual->expr, false, false, false, context))
3991 return false;
3992 }
3993 }
3994
3995 return true;
3996 }
3997
3998
3999 /* Given a pointer to an intrinsic symbol and an expression node that
4000 represent the function call to that subroutine, figure out the type
4001 of the result. This may involve calling a resolution subroutine. */
4002
4003 static void
4004 resolve_intrinsic (gfc_intrinsic_sym *specific, gfc_expr *e)
4005 {
4006 gfc_expr *a1, *a2, *a3, *a4, *a5;
4007 gfc_actual_arglist *arg;
4008
4009 if (specific->resolve.f1 == NULL)
4010 {
4011 if (e->value.function.name == NULL)
4012 e->value.function.name = specific->lib_name;
4013
4014 if (e->ts.type == BT_UNKNOWN)
4015 e->ts = specific->ts;
4016 return;
4017 }
4018
4019 arg = e->value.function.actual;
4020
4021 /* Special case hacks for MIN and MAX. */
4022 if (specific->resolve.f1m == gfc_resolve_max
4023 || specific->resolve.f1m == gfc_resolve_min)
4024 {
4025 (*specific->resolve.f1m) (e, arg);
4026 return;
4027 }
4028
4029 if (arg == NULL)
4030 {
4031 (*specific->resolve.f0) (e);
4032 return;
4033 }
4034
4035 a1 = arg->expr;
4036 arg = arg->next;
4037
4038 if (arg == NULL)
4039 {
4040 (*specific->resolve.f1) (e, a1);
4041 return;
4042 }
4043
4044 a2 = arg->expr;
4045 arg = arg->next;
4046
4047 if (arg == NULL)
4048 {
4049 (*specific->resolve.f2) (e, a1, a2);
4050 return;
4051 }
4052
4053 a3 = arg->expr;
4054 arg = arg->next;
4055
4056 if (arg == NULL)
4057 {
4058 (*specific->resolve.f3) (e, a1, a2, a3);
4059 return;
4060 }
4061
4062 a4 = arg->expr;
4063 arg = arg->next;
4064
4065 if (arg == NULL)
4066 {
4067 (*specific->resolve.f4) (e, a1, a2, a3, a4);
4068 return;
4069 }
4070
4071 a5 = arg->expr;
4072 arg = arg->next;
4073
4074 if (arg == NULL)
4075 {
4076 (*specific->resolve.f5) (e, a1, a2, a3, a4, a5);
4077 return;
4078 }
4079
4080 gfc_internal_error ("resolve_intrinsic(): Too many args for intrinsic");
4081 }
4082
4083
4084 /* Given an intrinsic symbol node and an expression node, call the
4085 simplification function (if there is one), perhaps replacing the
4086 expression with something simpler. We return false on an error
4087 of the simplification, true if the simplification worked, even
4088 if nothing has changed in the expression itself. */
4089
4090 static bool
4091 do_simplify (gfc_intrinsic_sym *specific, gfc_expr *e)
4092 {
4093 gfc_expr *result, *a1, *a2, *a3, *a4, *a5;
4094 gfc_actual_arglist *arg;
4095
4096 /* Max and min require special handling due to the variable number
4097 of args. */
4098 if (specific->simplify.f1 == gfc_simplify_min)
4099 {
4100 result = gfc_simplify_min (e);
4101 goto finish;
4102 }
4103
4104 if (specific->simplify.f1 == gfc_simplify_max)
4105 {
4106 result = gfc_simplify_max (e);
4107 goto finish;
4108 }
4109
4110 if (specific->simplify.f1 == NULL)
4111 {
4112 result = NULL;
4113 goto finish;
4114 }
4115
4116 arg = e->value.function.actual;
4117
4118 if (arg == NULL)
4119 {
4120 result = (*specific->simplify.f0) ();
4121 goto finish;
4122 }
4123
4124 a1 = arg->expr;
4125 arg = arg->next;
4126
4127 if (specific->simplify.cc == gfc_convert_constant
4128 || specific->simplify.cc == gfc_convert_char_constant)
4129 {
4130 result = specific->simplify.cc (a1, specific->ts.type, specific->ts.kind);
4131 goto finish;
4132 }
4133
4134 if (arg == NULL)
4135 result = (*specific->simplify.f1) (a1);
4136 else
4137 {
4138 a2 = arg->expr;
4139 arg = arg->next;
4140
4141 if (arg == NULL)
4142 result = (*specific->simplify.f2) (a1, a2);
4143 else
4144 {
4145 a3 = arg->expr;
4146 arg = arg->next;
4147
4148 if (arg == NULL)
4149 result = (*specific->simplify.f3) (a1, a2, a3);
4150 else
4151 {
4152 a4 = arg->expr;
4153 arg = arg->next;
4154
4155 if (arg == NULL)
4156 result = (*specific->simplify.f4) (a1, a2, a3, a4);
4157 else
4158 {
4159 a5 = arg->expr;
4160 arg = arg->next;
4161
4162 if (arg == NULL)
4163 result = (*specific->simplify.f5) (a1, a2, a3, a4, a5);
4164 else
4165 gfc_internal_error
4166 ("do_simplify(): Too many args for intrinsic");
4167 }
4168 }
4169 }
4170 }
4171
4172 finish:
4173 if (result == &gfc_bad_expr)
4174 return false;
4175
4176 if (result == NULL)
4177 resolve_intrinsic (specific, e); /* Must call at run-time */
4178 else
4179 {
4180 result->where = e->where;
4181 gfc_replace_expr (e, result);
4182 }
4183
4184 return true;
4185 }
4186
4187
4188 /* Initialize the gfc_current_intrinsic_arg[] array for the benefit of
4189 error messages. This subroutine returns false if a subroutine
4190 has more than MAX_INTRINSIC_ARGS, in which case the actual argument
4191 list cannot match any intrinsic. */
4192
4193 static void
4194 init_arglist (gfc_intrinsic_sym *isym)
4195 {
4196 gfc_intrinsic_arg *formal;
4197 int i;
4198
4199 gfc_current_intrinsic = isym->name;
4200
4201 i = 0;
4202 for (formal = isym->formal; formal; formal = formal->next)
4203 {
4204 if (i >= MAX_INTRINSIC_ARGS)
4205 gfc_internal_error ("init_arglist(): too many arguments");
4206 gfc_current_intrinsic_arg[i++] = formal;
4207 }
4208 }
4209
4210
4211 /* Given a pointer to an intrinsic symbol and an expression consisting
4212 of a function call, see if the function call is consistent with the
4213 intrinsic's formal argument list. Return true if the expression
4214 and intrinsic match, false otherwise. */
4215
4216 static bool
4217 check_specific (gfc_intrinsic_sym *specific, gfc_expr *expr, int error_flag)
4218 {
4219 gfc_actual_arglist *arg, **ap;
4220 bool t;
4221
4222 ap = &expr->value.function.actual;
4223
4224 init_arglist (specific);
4225
4226 /* Don't attempt to sort the argument list for min or max. */
4227 if (specific->check.f1m == gfc_check_min_max
4228 || specific->check.f1m == gfc_check_min_max_integer
4229 || specific->check.f1m == gfc_check_min_max_real
4230 || specific->check.f1m == gfc_check_min_max_double)
4231 {
4232 if (!do_ts29113_check (specific, *ap))
4233 return false;
4234 return (*specific->check.f1m) (*ap);
4235 }
4236
4237 if (!sort_actual (specific->name, ap, specific->formal, &expr->where))
4238 return false;
4239
4240 if (!do_ts29113_check (specific, *ap))
4241 return false;
4242
4243 if (specific->check.f3ml == gfc_check_minloc_maxloc)
4244 /* This is special because we might have to reorder the argument list. */
4245 t = gfc_check_minloc_maxloc (*ap);
4246 else if (specific->check.f3red == gfc_check_minval_maxval)
4247 /* This is also special because we also might have to reorder the
4248 argument list. */
4249 t = gfc_check_minval_maxval (*ap);
4250 else if (specific->check.f3red == gfc_check_product_sum)
4251 /* Same here. The difference to the previous case is that we allow a
4252 general numeric type. */
4253 t = gfc_check_product_sum (*ap);
4254 else if (specific->check.f3red == gfc_check_transf_bit_intrins)
4255 /* Same as for PRODUCT and SUM, but different checks. */
4256 t = gfc_check_transf_bit_intrins (*ap);
4257 else
4258 {
4259 if (specific->check.f1 == NULL)
4260 {
4261 t = check_arglist (ap, specific, error_flag);
4262 if (t)
4263 expr->ts = specific->ts;
4264 }
4265 else
4266 t = do_check (specific, *ap);
4267 }
4268
4269 /* Check conformance of elemental intrinsics. */
4270 if (t && specific->elemental)
4271 {
4272 int n = 0;
4273 gfc_expr *first_expr;
4274 arg = expr->value.function.actual;
4275
4276 /* There is no elemental intrinsic without arguments. */
4277 gcc_assert(arg != NULL);
4278 first_expr = arg->expr;
4279
4280 for ( ; arg && arg->expr; arg = arg->next, n++)
4281 if (!gfc_check_conformance (first_expr, arg->expr,
4282 "arguments '%s' and '%s' for "
4283 "intrinsic '%s'",
4284 gfc_current_intrinsic_arg[0]->name,
4285 gfc_current_intrinsic_arg[n]->name,
4286 gfc_current_intrinsic))
4287 return false;
4288 }
4289
4290 if (!t)
4291 remove_nullargs (ap);
4292
4293 return t;
4294 }
4295
4296
4297 /* Check whether an intrinsic belongs to whatever standard the user
4298 has chosen, taking also into account -fall-intrinsics. Here, no
4299 warning/error is emitted; but if symstd is not NULL, it is pointed to a
4300 textual representation of the symbols standard status (like
4301 "new in Fortran 2008", "a GNU extension" or "obsolescent in Fortran 95") that
4302 can be used to construct a detailed warning/error message in case of
4303 a false. */
4304
4305 bool
4306 gfc_check_intrinsic_standard (const gfc_intrinsic_sym* isym,
4307 const char** symstd, bool silent, locus where)
4308 {
4309 const char* symstd_msg;
4310
4311 /* For -fall-intrinsics, just succeed. */
4312 if (flag_all_intrinsics)
4313 return true;
4314
4315 /* Find the symbol's standard message for later usage. */
4316 switch (isym->standard)
4317 {
4318 case GFC_STD_F77:
4319 symstd_msg = "available since Fortran 77";
4320 break;
4321
4322 case GFC_STD_F95_OBS:
4323 symstd_msg = "obsolescent in Fortran 95";
4324 break;
4325
4326 case GFC_STD_F95_DEL:
4327 symstd_msg = "deleted in Fortran 95";
4328 break;
4329
4330 case GFC_STD_F95:
4331 symstd_msg = "new in Fortran 95";
4332 break;
4333
4334 case GFC_STD_F2003:
4335 symstd_msg = "new in Fortran 2003";
4336 break;
4337
4338 case GFC_STD_F2008:
4339 symstd_msg = "new in Fortran 2008";
4340 break;
4341
4342 case GFC_STD_F2008_TS:
4343 symstd_msg = "new in TS 29113/TS 18508";
4344 break;
4345
4346 case GFC_STD_GNU:
4347 symstd_msg = "a GNU Fortran extension";
4348 break;
4349
4350 case GFC_STD_LEGACY:
4351 symstd_msg = "for backward compatibility";
4352 break;
4353
4354 default:
4355 gfc_internal_error ("Invalid standard code on intrinsic %qs (%d)",
4356 isym->name, isym->standard);
4357 }
4358
4359 /* If warning about the standard, warn and succeed. */
4360 if (gfc_option.warn_std & isym->standard)
4361 {
4362 /* Do only print a warning if not a GNU extension. */
4363 if (!silent && isym->standard != GFC_STD_GNU)
4364 gfc_warning (0, "Intrinsic %qs (is %s) is used at %L",
4365 isym->name, _(symstd_msg), &where);
4366
4367 return true;
4368 }
4369
4370 /* If allowing the symbol's standard, succeed, too. */
4371 if (gfc_option.allow_std & isym->standard)
4372 return true;
4373
4374 /* Otherwise, fail. */
4375 if (symstd)
4376 *symstd = _(symstd_msg);
4377 return false;
4378 }
4379
4380
4381 /* See if a function call corresponds to an intrinsic function call.
4382 We return:
4383
4384 MATCH_YES if the call corresponds to an intrinsic, simplification
4385 is done if possible.
4386
4387 MATCH_NO if the call does not correspond to an intrinsic
4388
4389 MATCH_ERROR if the call corresponds to an intrinsic but there was an
4390 error during the simplification process.
4391
4392 The error_flag parameter enables an error reporting. */
4393
4394 match
4395 gfc_intrinsic_func_interface (gfc_expr *expr, int error_flag)
4396 {
4397 gfc_intrinsic_sym *isym, *specific;
4398 gfc_actual_arglist *actual;
4399 const char *name;
4400 int flag;
4401
4402 if (expr->value.function.isym != NULL)
4403 return (!do_simplify(expr->value.function.isym, expr))
4404 ? MATCH_ERROR : MATCH_YES;
4405
4406 if (!error_flag)
4407 gfc_push_suppress_errors ();
4408 flag = 0;
4409
4410 for (actual = expr->value.function.actual; actual; actual = actual->next)
4411 if (actual->expr != NULL)
4412 flag |= (actual->expr->ts.type != BT_INTEGER
4413 && actual->expr->ts.type != BT_CHARACTER);
4414
4415 name = expr->symtree->n.sym->name;
4416
4417 if (expr->symtree->n.sym->intmod_sym_id)
4418 {
4419 gfc_isym_id id = gfc_isym_id_by_intmod_sym (expr->symtree->n.sym);
4420 isym = specific = gfc_intrinsic_function_by_id (id);
4421 }
4422 else
4423 isym = specific = gfc_find_function (name);
4424
4425 if (isym == NULL)
4426 {
4427 if (!error_flag)
4428 gfc_pop_suppress_errors ();
4429 return MATCH_NO;
4430 }
4431
4432 if ((isym->id == GFC_ISYM_REAL || isym->id == GFC_ISYM_DBLE
4433 || isym->id == GFC_ISYM_CMPLX)
4434 && gfc_init_expr_flag
4435 && !gfc_notify_std (GFC_STD_F2003, "Function %qs as initialization "
4436 "expression at %L", name, &expr->where))
4437 {
4438 if (!error_flag)
4439 gfc_pop_suppress_errors ();
4440 return MATCH_ERROR;
4441 }
4442
4443 gfc_current_intrinsic_where = &expr->where;
4444
4445 /* Bypass the generic list for min, max and ISO_C_Binding's c_loc. */
4446 if (isym->check.f1m == gfc_check_min_max)
4447 {
4448 init_arglist (isym);
4449
4450 if (isym->check.f1m(expr->value.function.actual))
4451 goto got_specific;
4452
4453 if (!error_flag)
4454 gfc_pop_suppress_errors ();
4455 return MATCH_NO;
4456 }
4457
4458 /* If the function is generic, check all of its specific
4459 incarnations. If the generic name is also a specific, we check
4460 that name last, so that any error message will correspond to the
4461 specific. */
4462 gfc_push_suppress_errors ();
4463
4464 if (isym->generic)
4465 {
4466 for (specific = isym->specific_head; specific;
4467 specific = specific->next)
4468 {
4469 if (specific == isym)
4470 continue;
4471 if (check_specific (specific, expr, 0))
4472 {
4473 gfc_pop_suppress_errors ();
4474 goto got_specific;
4475 }
4476 }
4477 }
4478
4479 gfc_pop_suppress_errors ();
4480
4481 if (!check_specific (isym, expr, error_flag))
4482 {
4483 if (!error_flag)
4484 gfc_pop_suppress_errors ();
4485 return MATCH_NO;
4486 }
4487
4488 specific = isym;
4489
4490 got_specific:
4491 expr->value.function.isym = specific;
4492 if (!expr->symtree->n.sym->module)
4493 gfc_intrinsic_symbol (expr->symtree->n.sym);
4494
4495 if (!error_flag)
4496 gfc_pop_suppress_errors ();
4497
4498 if (!do_simplify (specific, expr))
4499 return MATCH_ERROR;
4500
4501 /* F95, 7.1.6.1, Initialization expressions
4502 (4) An elemental intrinsic function reference of type integer or
4503 character where each argument is an initialization expression
4504 of type integer or character
4505
4506 F2003, 7.1.7 Initialization expression
4507 (4) A reference to an elemental standard intrinsic function,
4508 where each argument is an initialization expression */
4509
4510 if (gfc_init_expr_flag && isym->elemental && flag
4511 && !gfc_notify_std (GFC_STD_F2003, "Elemental function as "
4512 "initialization expression with non-integer/non-"
4513 "character arguments at %L", &expr->where))
4514 return MATCH_ERROR;
4515
4516 return MATCH_YES;
4517 }
4518
4519
4520 /* See if a CALL statement corresponds to an intrinsic subroutine.
4521 Returns MATCH_YES if the subroutine corresponds to an intrinsic,
4522 MATCH_NO if not, and MATCH_ERROR if there was an error (but did
4523 correspond). */
4524
4525 match
4526 gfc_intrinsic_sub_interface (gfc_code *c, int error_flag)
4527 {
4528 gfc_intrinsic_sym *isym;
4529 const char *name;
4530
4531 name = c->symtree->n.sym->name;
4532
4533 if (c->symtree->n.sym->intmod_sym_id)
4534 {
4535 gfc_isym_id id;
4536 id = gfc_isym_id_by_intmod_sym (c->symtree->n.sym);
4537 isym = gfc_intrinsic_subroutine_by_id (id);
4538 }
4539 else
4540 isym = gfc_find_subroutine (name);
4541 if (isym == NULL)
4542 return MATCH_NO;
4543
4544 if (!error_flag)
4545 gfc_push_suppress_errors ();
4546
4547 init_arglist (isym);
4548
4549 if (!isym->vararg && !sort_actual (name, &c->ext.actual, isym->formal, &c->loc))
4550 goto fail;
4551
4552 if (!do_ts29113_check (isym, c->ext.actual))
4553 goto fail;
4554
4555 if (isym->check.f1 != NULL)
4556 {
4557 if (!do_check (isym, c->ext.actual))
4558 goto fail;
4559 }
4560 else
4561 {
4562 if (!check_arglist (&c->ext.actual, isym, 1))
4563 goto fail;
4564 }
4565
4566 /* The subroutine corresponds to an intrinsic. Allow errors to be
4567 seen at this point. */
4568 if (!error_flag)
4569 gfc_pop_suppress_errors ();
4570
4571 c->resolved_isym = isym;
4572 if (isym->resolve.s1 != NULL)
4573 isym->resolve.s1 (c);
4574 else
4575 {
4576 c->resolved_sym = gfc_get_intrinsic_sub_symbol (isym->lib_name);
4577 c->resolved_sym->attr.elemental = isym->elemental;
4578 }
4579
4580 if (gfc_do_concurrent_flag && !isym->pure)
4581 {
4582 gfc_error ("Subroutine call to intrinsic %qs in DO CONCURRENT "
4583 "block at %L is not PURE", name, &c->loc);
4584 return MATCH_ERROR;
4585 }
4586
4587 if (!isym->pure && gfc_pure (NULL))
4588 {
4589 gfc_error ("Subroutine call to intrinsic %qs at %L is not PURE", name,
4590 &c->loc);
4591 return MATCH_ERROR;
4592 }
4593
4594 if (!isym->pure)
4595 gfc_unset_implicit_pure (NULL);
4596
4597 c->resolved_sym->attr.noreturn = isym->noreturn;
4598
4599 return MATCH_YES;
4600
4601 fail:
4602 if (!error_flag)
4603 gfc_pop_suppress_errors ();
4604 return MATCH_NO;
4605 }
4606
4607
4608 /* Call gfc_convert_type() with warning enabled. */
4609
4610 bool
4611 gfc_convert_type (gfc_expr *expr, gfc_typespec *ts, int eflag)
4612 {
4613 return gfc_convert_type_warn (expr, ts, eflag, 1);
4614 }
4615
4616
4617 /* Try to convert an expression (in place) from one type to another.
4618 'eflag' controls the behavior on error.
4619
4620 The possible values are:
4621
4622 1 Generate a gfc_error()
4623 2 Generate a gfc_internal_error().
4624
4625 'wflag' controls the warning related to conversion. */
4626
4627 bool
4628 gfc_convert_type_warn (gfc_expr *expr, gfc_typespec *ts, int eflag, int wflag)
4629 {
4630 gfc_intrinsic_sym *sym;
4631 gfc_typespec from_ts;
4632 locus old_where;
4633 gfc_expr *new_expr;
4634 int rank;
4635 mpz_t *shape;
4636
4637 from_ts = expr->ts; /* expr->ts gets clobbered */
4638
4639 if (ts->type == BT_UNKNOWN)
4640 goto bad;
4641
4642 /* NULL and zero size arrays get their type here. */
4643 if (expr->expr_type == EXPR_NULL
4644 || (expr->expr_type == EXPR_ARRAY && expr->value.constructor == NULL))
4645 {
4646 /* Sometimes the RHS acquire the type. */
4647 expr->ts = *ts;
4648 return true;
4649 }
4650
4651 if (expr->ts.type == BT_UNKNOWN)
4652 goto bad;
4653
4654 if (expr->ts.type == BT_DERIVED && ts->type == BT_DERIVED
4655 && gfc_compare_types (&expr->ts, ts))
4656 return true;
4657
4658 sym = find_conv (&expr->ts, ts);
4659 if (sym == NULL)
4660 goto bad;
4661
4662 /* At this point, a conversion is necessary. A warning may be needed. */
4663 if ((gfc_option.warn_std & sym->standard) != 0)
4664 {
4665 gfc_warning_now (0, "Extension: Conversion from %s to %s at %L",
4666 gfc_typename (&from_ts), gfc_typename (ts),
4667 &expr->where);
4668 }
4669 else if (wflag)
4670 {
4671 if (flag_range_check && expr->expr_type == EXPR_CONSTANT
4672 && from_ts.type == ts->type)
4673 {
4674 /* Do nothing. Constants of the same type are range-checked
4675 elsewhere. If a value too large for the target type is
4676 assigned, an error is generated. Not checking here avoids
4677 duplications of warnings/errors.
4678 If range checking was disabled, but -Wconversion enabled,
4679 a non range checked warning is generated below. */
4680 }
4681 else if (from_ts.type == BT_LOGICAL || ts->type == BT_LOGICAL)
4682 {
4683 /* Do nothing. This block exists only to simplify the other
4684 else-if expressions.
4685 LOGICAL <> LOGICAL no warning, independent of kind values
4686 LOGICAL <> INTEGER extension, warned elsewhere
4687 LOGICAL <> REAL invalid, error generated elsewhere
4688 LOGICAL <> COMPLEX invalid, error generated elsewhere */
4689 }
4690 else if (from_ts.type == ts->type
4691 || (from_ts.type == BT_INTEGER && ts->type == BT_REAL)
4692 || (from_ts.type == BT_INTEGER && ts->type == BT_COMPLEX)
4693 || (from_ts.type == BT_REAL && ts->type == BT_COMPLEX))
4694 {
4695 /* Larger kinds can hold values of smaller kinds without problems.
4696 Hence, only warn if target kind is smaller than the source
4697 kind - or if -Wconversion-extra is specified. */
4698 if (warn_conversion && from_ts.kind > ts->kind)
4699 gfc_warning_now (OPT_Wconversion, "Possible change of value in "
4700 "conversion from %s to %s at %L",
4701 gfc_typename (&from_ts), gfc_typename (ts),
4702 &expr->where);
4703 else if (warn_conversion_extra)
4704 gfc_warning_now (OPT_Wconversion_extra, "Conversion from %s to %s "
4705 "at %L", gfc_typename (&from_ts),
4706 gfc_typename (ts), &expr->where);
4707 }
4708 else if ((from_ts.type == BT_REAL && ts->type == BT_INTEGER)
4709 || (from_ts.type == BT_COMPLEX && ts->type == BT_INTEGER)
4710 || (from_ts.type == BT_COMPLEX && ts->type == BT_REAL))
4711 {
4712 /* Conversion from REAL/COMPLEX to INTEGER or COMPLEX to REAL
4713 usually comes with a loss of information, regardless of kinds. */
4714 if (warn_conversion)
4715 gfc_warning_now (OPT_Wconversion, "Possible change of value in "
4716 "conversion from %s to %s at %L",
4717 gfc_typename (&from_ts), gfc_typename (ts),
4718 &expr->where);
4719 }
4720 else if (from_ts.type == BT_HOLLERITH || ts->type == BT_HOLLERITH)
4721 {
4722 /* If HOLLERITH is involved, all bets are off. */
4723 if (warn_conversion)
4724 gfc_warning_now (OPT_Wconversion, "Conversion from %s to %s at %L",
4725 gfc_typename (&from_ts), gfc_typename (ts),
4726 &expr->where);
4727 }
4728 else
4729 gcc_unreachable ();
4730 }
4731
4732 /* Insert a pre-resolved function call to the right function. */
4733 old_where = expr->where;
4734 rank = expr->rank;
4735 shape = expr->shape;
4736
4737 new_expr = gfc_get_expr ();
4738 *new_expr = *expr;
4739
4740 new_expr = gfc_build_conversion (new_expr);
4741 new_expr->value.function.name = sym->lib_name;
4742 new_expr->value.function.isym = sym;
4743 new_expr->where = old_where;
4744 new_expr->rank = rank;
4745 new_expr->shape = gfc_copy_shape (shape, rank);
4746
4747 gfc_get_ha_sym_tree (sym->name, &new_expr->symtree);
4748 new_expr->symtree->n.sym->result = new_expr->symtree->n.sym;
4749 new_expr->symtree->n.sym->ts = *ts;
4750 new_expr->symtree->n.sym->attr.flavor = FL_PROCEDURE;
4751 new_expr->symtree->n.sym->attr.function = 1;
4752 new_expr->symtree->n.sym->attr.elemental = 1;
4753 new_expr->symtree->n.sym->attr.pure = 1;
4754 new_expr->symtree->n.sym->attr.referenced = 1;
4755 gfc_intrinsic_symbol(new_expr->symtree->n.sym);
4756 gfc_commit_symbol (new_expr->symtree->n.sym);
4757
4758 *expr = *new_expr;
4759
4760 free (new_expr);
4761 expr->ts = *ts;
4762
4763 if (gfc_is_constant_expr (expr->value.function.actual->expr)
4764 && !do_simplify (sym, expr))
4765 {
4766
4767 if (eflag == 2)
4768 goto bad;
4769 return false; /* Error already generated in do_simplify() */
4770 }
4771
4772 return true;
4773
4774 bad:
4775 if (eflag == 1)
4776 {
4777 gfc_error ("Can't convert %s to %s at %L",
4778 gfc_typename (&from_ts), gfc_typename (ts), &expr->where);
4779 return false;
4780 }
4781
4782 gfc_internal_error ("Can't convert %qs to %qs at %L",
4783 gfc_typename (&from_ts), gfc_typename (ts),
4784 &expr->where);
4785 /* Not reached */
4786 }
4787
4788
4789 bool
4790 gfc_convert_chartype (gfc_expr *expr, gfc_typespec *ts)
4791 {
4792 gfc_intrinsic_sym *sym;
4793 locus old_where;
4794 gfc_expr *new_expr;
4795 int rank;
4796 mpz_t *shape;
4797
4798 gcc_assert (expr->ts.type == BT_CHARACTER && ts->type == BT_CHARACTER);
4799
4800 sym = find_char_conv (&expr->ts, ts);
4801 gcc_assert (sym);
4802
4803 /* Insert a pre-resolved function call to the right function. */
4804 old_where = expr->where;
4805 rank = expr->rank;
4806 shape = expr->shape;
4807
4808 new_expr = gfc_get_expr ();
4809 *new_expr = *expr;
4810
4811 new_expr = gfc_build_conversion (new_expr);
4812 new_expr->value.function.name = sym->lib_name;
4813 new_expr->value.function.isym = sym;
4814 new_expr->where = old_where;
4815 new_expr->rank = rank;
4816 new_expr->shape = gfc_copy_shape (shape, rank);
4817
4818 gfc_get_ha_sym_tree (sym->name, &new_expr->symtree);
4819 new_expr->symtree->n.sym->ts = *ts;
4820 new_expr->symtree->n.sym->attr.flavor = FL_PROCEDURE;
4821 new_expr->symtree->n.sym->attr.function = 1;
4822 new_expr->symtree->n.sym->attr.elemental = 1;
4823 new_expr->symtree->n.sym->attr.referenced = 1;
4824 gfc_intrinsic_symbol(new_expr->symtree->n.sym);
4825 gfc_commit_symbol (new_expr->symtree->n.sym);
4826
4827 *expr = *new_expr;
4828
4829 free (new_expr);
4830 expr->ts = *ts;
4831
4832 if (gfc_is_constant_expr (expr->value.function.actual->expr)
4833 && !do_simplify (sym, expr))
4834 {
4835 /* Error already generated in do_simplify() */
4836 return false;
4837 }
4838
4839 return true;
4840 }
4841
4842
4843 /* Check if the passed name is name of an intrinsic (taking into account the
4844 current -std=* and -fall-intrinsic settings). If it is, see if we should
4845 warn about this as a user-procedure having the same name as an intrinsic
4846 (-Wintrinsic-shadow enabled) and do so if we should. */
4847
4848 void
4849 gfc_warn_intrinsic_shadow (const gfc_symbol* sym, bool in_module, bool func)
4850 {
4851 gfc_intrinsic_sym* isym;
4852
4853 /* If the warning is disabled, do nothing at all. */
4854 if (!warn_intrinsic_shadow)
4855 return;
4856
4857 /* Try to find an intrinsic of the same name. */
4858 if (func)
4859 isym = gfc_find_function (sym->name);
4860 else
4861 isym = gfc_find_subroutine (sym->name);
4862
4863 /* If no intrinsic was found with this name or it's not included in the
4864 selected standard, everything's fine. */
4865 if (!isym || !gfc_check_intrinsic_standard (isym, NULL, true,
4866 sym->declared_at))
4867 return;
4868
4869 /* Emit the warning. */
4870 if (in_module || sym->ns->proc_name)
4871 gfc_warning (OPT_Wintrinsic_shadow,
4872 "%qs declared at %L may shadow the intrinsic of the same"
4873 " name. In order to call the intrinsic, explicit INTRINSIC"
4874 " declarations may be required.",
4875 sym->name, &sym->declared_at);
4876 else
4877 gfc_warning (OPT_Wintrinsic_shadow,
4878 "%qs declared at %L is also the name of an intrinsic. It can"
4879 " only be called via an explicit interface or if declared"
4880 " EXTERNAL.", sym->name, &sym->declared_at);
4881 }
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