2 Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
3 Contributed by Andy Vaught & Katherine Holcomb
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 /* These functions check to see if an argument list is compatible with
24 a particular intrinsic function or subroutine. Presence of
25 required arguments has already been established, the argument list
26 has been sorted into the right order and has NULL arguments in the
27 correct places for missing optional arguments. */
37 #include "intrinsic.h"
40 /* The fundamental complaint function of this source file. This
41 function can be called in all kinds of ways. */
44 must_be (gfc_expr * e, int n, const char *thing)
47 gfc_error ("'%s' argument of '%s' intrinsic at %L must be %s",
48 gfc_current_intrinsic_arg[n], gfc_current_intrinsic, &e->where,
53 /* Check the type of an expression. */
56 type_check (gfc_expr * e, int n, bt type)
59 if (e->ts.type == type)
62 must_be (e, n, gfc_basic_typename (type));
68 /* Check that the expression is a numeric type. */
71 numeric_check (gfc_expr * e, int n)
74 if (gfc_numeric_ts (&e->ts))
77 must_be (e, n, "a numeric type");
83 /* Check that an expression is integer or real. */
86 int_or_real_check (gfc_expr * e, int n)
89 if (e->ts.type != BT_INTEGER && e->ts.type != BT_REAL)
91 must_be (e, n, "INTEGER or REAL");
99 /* Check that the expression is an optional constant integer
100 and that it specifies a valid kind for that type. */
103 kind_check (gfc_expr * k, int n, bt type)
110 if (type_check (k, n, BT_INTEGER) == FAILURE)
113 if (k->expr_type != EXPR_CONSTANT)
115 must_be (k, n, "a constant");
119 if (gfc_extract_int (k, &kind) != NULL
120 || gfc_validate_kind (type, kind) == -1)
122 gfc_error ("Invalid kind for %s at %L", gfc_basic_typename (type),
131 /* Make sure the expression is a double precision real. */
134 double_check (gfc_expr * d, int n)
137 if (type_check (d, n, BT_REAL) == FAILURE)
140 if (d->ts.kind != gfc_default_double_kind ())
142 must_be (d, n, "double precision");
150 /* Make sure the expression is a logical array. */
153 logical_array_check (gfc_expr * array, int n)
156 if (array->ts.type != BT_LOGICAL || array->rank == 0)
158 must_be (array, n, "a logical array");
166 /* Make sure an expression is an array. */
169 array_check (gfc_expr * e, int n)
175 must_be (e, n, "an array");
181 /* Make sure an expression is a scalar. */
184 scalar_check (gfc_expr * e, int n)
190 must_be (e, n, "a scalar");
196 /* Make sure two expression have the same type. */
199 same_type_check (gfc_expr * e, int n, gfc_expr * f, int m)
203 if (gfc_compare_types (&e->ts, &f->ts))
206 sprintf (message, "the same type and kind as '%s'",
207 gfc_current_intrinsic_arg[n]);
209 must_be (f, m, message);
215 /* Make sure that an expression has a certain (nonzero) rank. */
218 rank_check (gfc_expr * e, int n, int rank)
225 sprintf (message, "of rank %d", rank);
227 must_be (e, n, message);
233 /* Make sure a variable expression is not an optional dummy argument. */
236 nonoptional_check (gfc_expr * e, int n)
239 if (e->expr_type == EXPR_VARIABLE && e->symtree->n.sym->attr.optional)
241 gfc_error ("'%s' argument of '%s' intrinsic at %L must not be OPTIONAL",
242 gfc_current_intrinsic_arg[n], gfc_current_intrinsic,
247 /* TODO: Recursive check on nonoptional variables? */
253 /* Check that an expression has a particular kind. */
256 kind_value_check (gfc_expr * e, int n, int k)
263 sprintf (message, "of kind %d", k);
265 must_be (e, n, message);
270 /* Make sure an expression is a variable. */
273 variable_check (gfc_expr * e, int n)
276 if ((e->expr_type == EXPR_VARIABLE
277 && e->symtree->n.sym->attr.flavor != FL_PARAMETER)
278 || (e->expr_type == EXPR_FUNCTION
279 && e->symtree->n.sym->result == e->symtree->n.sym))
282 if (e->expr_type == EXPR_VARIABLE
283 && e->symtree->n.sym->attr.intent == INTENT_IN)
285 gfc_error ("'%s' argument of '%s' intrinsic at %L cannot be INTENT(IN)",
286 gfc_current_intrinsic_arg[n], gfc_current_intrinsic,
291 must_be (e, n, "a variable");
297 /* Check the common DIM parameter for correctness. */
300 dim_check (gfc_expr * dim, int n, int optional)
308 if (nonoptional_check (dim, n) == FAILURE)
316 gfc_error ("Missing DIM parameter in intrinsic '%s' at %L",
317 gfc_current_intrinsic, gfc_current_intrinsic_where);
321 if (type_check (dim, n, BT_INTEGER) == FAILURE)
324 if (scalar_check (dim, n) == FAILURE)
331 /* If a DIM parameter is a constant, make sure that it is greater than
332 zero and less than or equal to the rank of the given array. If
333 allow_assumed is zero then dim must be less than the rank of the array
334 for assumed size arrays. */
337 dim_rank_check (gfc_expr * dim, gfc_expr * array, int allow_assumed)
342 if (dim->expr_type != EXPR_CONSTANT || array->expr_type != EXPR_VARIABLE)
345 ar = gfc_find_array_ref (array);
347 if (ar->as->type == AS_ASSUMED_SIZE && !allow_assumed)
350 if (mpz_cmp_ui (dim->value.integer, 1) < 0
351 || mpz_cmp_ui (dim->value.integer, rank) > 0)
353 gfc_error ("'dim' argument of '%s' intrinsic at %L is not a valid "
354 "dimension index", gfc_current_intrinsic, &dim->where);
363 /***** Check functions *****/
365 /* Check subroutine suitable for intrinsics taking a real argument and
366 a kind argument for the result. */
369 check_a_kind (gfc_expr * a, gfc_expr * kind, bt type)
372 if (type_check (a, 0, BT_REAL) == FAILURE)
374 if (kind_check (kind, 1, type) == FAILURE)
380 /* Check subroutine suitable for ceiling, floor and nint. */
383 gfc_check_a_ikind (gfc_expr * a, gfc_expr * kind)
386 return check_a_kind (a, kind, BT_INTEGER);
389 /* Check subroutine suitable for aint, anint. */
392 gfc_check_a_xkind (gfc_expr * a, gfc_expr * kind)
395 return check_a_kind (a, kind, BT_REAL);
399 gfc_check_abs (gfc_expr * a)
402 if (numeric_check (a, 0) == FAILURE)
410 gfc_check_all_any (gfc_expr * mask, gfc_expr * dim)
413 if (logical_array_check (mask, 0) == FAILURE)
416 if (dim_check (dim, 1, 1) == FAILURE)
424 gfc_check_allocated (gfc_expr * array)
427 if (variable_check (array, 0) == FAILURE)
430 if (array_check (array, 0) == FAILURE)
433 if (!array->symtree->n.sym->attr.allocatable)
435 must_be (array, 0, "ALLOCATABLE");
443 /* Common check function where the first argument must be real or
444 integer and the second argument must be the same as the first. */
447 gfc_check_a_p (gfc_expr * a, gfc_expr * p)
450 if (int_or_real_check (a, 0) == FAILURE)
453 if (same_type_check (a, 0, p, 1) == FAILURE)
461 gfc_check_associated (gfc_expr * pointer, gfc_expr * target)
463 symbol_attribute attr;
467 if (variable_check (pointer, 0) == FAILURE)
470 attr = gfc_variable_attr (pointer, NULL);
473 must_be (pointer, 0, "a POINTER");
480 /* Target argument is optional. */
481 if (target->expr_type == EXPR_NULL)
483 gfc_error ("NULL pointer at %L is not permitted as actual argument "
484 "of '%s' intrinsic function",
485 &target->where, gfc_current_intrinsic);
489 attr = gfc_variable_attr (target, NULL);
490 if (!attr.pointer && !attr.target)
492 must_be (target, 1, "a POINTER or a TARGET");
497 if (same_type_check (pointer, 0, target, 1) == FAILURE)
499 if (rank_check (target, 0, pointer->rank) == FAILURE)
501 if (target->rank > 0)
503 for (i = 0; i < target->rank; i++)
504 if (target->ref->u.ar.dimen_type[i] == DIMEN_VECTOR)
506 gfc_error ("Array section with a vector subscript at %L shall not "
507 "be the target of an pointer",
518 gfc_check_btest (gfc_expr * i, gfc_expr * pos)
521 if (type_check (i, 0, BT_INTEGER) == FAILURE)
523 if (type_check (pos, 1, BT_INTEGER) == FAILURE)
531 gfc_check_char (gfc_expr * i, gfc_expr * kind)
534 if (type_check (i, 0, BT_INTEGER) == FAILURE)
536 if (kind_check (kind, 1, BT_CHARACTER) == FAILURE)
544 gfc_check_cmplx (gfc_expr * x, gfc_expr * y, gfc_expr * kind)
547 if (numeric_check (x, 0) == FAILURE)
552 if (numeric_check (y, 1) == FAILURE)
555 if (x->ts.type == BT_COMPLEX)
557 must_be (y, 1, "not be present if 'x' is COMPLEX");
562 if (kind_check (kind, 2, BT_COMPLEX) == FAILURE)
570 gfc_check_count (gfc_expr * mask, gfc_expr * dim)
573 if (logical_array_check (mask, 0) == FAILURE)
575 if (dim_check (dim, 1, 1) == FAILURE)
583 gfc_check_cshift (gfc_expr * array, gfc_expr * shift, gfc_expr * dim)
586 if (array_check (array, 0) == FAILURE)
589 if (array->rank == 1)
591 if (scalar_check (shift, 1) == FAILURE)
596 /* TODO: more requirements on shift parameter. */
599 if (dim_check (dim, 2, 1) == FAILURE)
607 gfc_check_dcmplx (gfc_expr * x, gfc_expr * y)
610 if (numeric_check (x, 0) == FAILURE)
615 if (numeric_check (y, 1) == FAILURE)
618 if (x->ts.type == BT_COMPLEX)
620 must_be (y, 1, "not be present if 'x' is COMPLEX");
630 gfc_check_dble (gfc_expr * x)
633 if (numeric_check (x, 0) == FAILURE)
641 gfc_check_digits (gfc_expr * x)
644 if (int_or_real_check (x, 0) == FAILURE)
652 gfc_check_dot_product (gfc_expr * vector_a, gfc_expr * vector_b)
655 switch (vector_a->ts.type)
658 if (type_check (vector_b, 1, BT_LOGICAL) == FAILURE)
665 if (numeric_check (vector_b, 1) == FAILURE)
670 must_be (vector_a, 0, "numeric or LOGICAL");
674 if (rank_check (vector_a, 0, 1) == FAILURE)
677 if (rank_check (vector_b, 1, 1) == FAILURE)
685 gfc_check_eoshift (gfc_expr * array, gfc_expr * shift, gfc_expr * boundary,
689 if (array_check (array, 0) == FAILURE)
692 if (type_check (shift, 1, BT_INTEGER) == FAILURE)
695 if (array->rank == 1)
697 if (scalar_check (shift, 2) == FAILURE)
702 /* TODO: more weird restrictions on shift. */
705 if (boundary != NULL)
707 if (same_type_check (array, 0, boundary, 2) == FAILURE)
710 /* TODO: more restrictions on boundary. */
713 if (dim_check (dim, 1, 1) == FAILURE)
722 gfc_check_huge (gfc_expr * x)
725 if (int_or_real_check (x, 0) == FAILURE)
732 /* Check that the single argument is an integer. */
735 gfc_check_i (gfc_expr * i)
738 if (type_check (i, 0, BT_INTEGER) == FAILURE)
746 gfc_check_iand (gfc_expr * i, gfc_expr * j)
749 if (type_check (i, 0, BT_INTEGER) == FAILURE
750 || type_check (j, 1, BT_INTEGER) == FAILURE)
753 if (same_type_check (i, 0, j, 1) == FAILURE)
761 gfc_check_ibclr (gfc_expr * i, gfc_expr * pos)
764 if (type_check (i, 0, BT_INTEGER) == FAILURE
765 || type_check (pos, 1, BT_INTEGER) == FAILURE
766 || kind_value_check (pos, 1, gfc_default_integer_kind ()) == FAILURE)
774 gfc_check_ibits (gfc_expr * i, gfc_expr * pos, gfc_expr * len)
777 if (type_check (i, 0, BT_INTEGER) == FAILURE
778 || type_check (pos, 1, BT_INTEGER) == FAILURE
779 || kind_value_check (pos, 1, gfc_default_integer_kind ()) == FAILURE
780 || type_check (len, 2, BT_INTEGER) == FAILURE)
788 gfc_check_ibset (gfc_expr * i, gfc_expr * pos)
791 if (type_check (i, 0, BT_INTEGER) == FAILURE
792 || type_check (pos, 1, BT_INTEGER) == FAILURE
793 || kind_value_check (pos, 1, gfc_default_integer_kind ()) == FAILURE)
801 gfc_check_idnint (gfc_expr * a)
804 if (double_check (a, 0) == FAILURE)
812 gfc_check_ieor (gfc_expr * i, gfc_expr * j)
815 if (type_check (i, 0, BT_INTEGER) == FAILURE
816 || type_check (j, 1, BT_INTEGER) == FAILURE)
819 if (same_type_check (i, 0, j, 1) == FAILURE)
827 gfc_check_index (gfc_expr * string, gfc_expr * substring, gfc_expr * back)
830 if (type_check (string, 0, BT_CHARACTER) == FAILURE
831 || type_check (substring, 1, BT_CHARACTER) == FAILURE)
835 if (back != NULL && type_check (back, 2, BT_LOGICAL) == FAILURE)
838 if (string->ts.kind != substring->ts.kind)
840 must_be (substring, 1, "the same kind as 'string'");
849 gfc_check_int (gfc_expr * x, gfc_expr * kind)
852 if (numeric_check (x, 0) == FAILURE
853 || kind_check (kind, 1, BT_INTEGER) == FAILURE)
861 gfc_check_ior (gfc_expr * i, gfc_expr * j)
864 if (type_check (i, 0, BT_INTEGER) == FAILURE
865 || type_check (j, 1, BT_INTEGER) == FAILURE)
868 if (same_type_check (i, 0, j, 1) == FAILURE)
876 gfc_check_ishft (gfc_expr * i, gfc_expr * shift)
879 if (type_check (i, 0, BT_INTEGER) == FAILURE
880 || type_check (shift, 1, BT_INTEGER) == FAILURE)
888 gfc_check_ishftc (gfc_expr * i, gfc_expr * shift, gfc_expr * size)
891 if (type_check (i, 0, BT_INTEGER) == FAILURE
892 || type_check (shift, 1, BT_INTEGER) == FAILURE)
895 if (size != NULL && type_check (size, 2, BT_INTEGER) == FAILURE)
903 gfc_check_kind (gfc_expr * x)
906 if (x->ts.type == BT_DERIVED)
908 must_be (x, 0, "a non-derived type");
917 gfc_check_lbound (gfc_expr * array, gfc_expr * dim)
920 if (array_check (array, 0) == FAILURE)
925 if (dim_check (dim, 1, 1) == FAILURE)
928 if (dim_rank_check (dim, array, 1) == FAILURE)
936 gfc_check_logical (gfc_expr * a, gfc_expr * kind)
939 if (type_check (a, 0, BT_LOGICAL) == FAILURE)
941 if (kind_check (kind, 1, BT_LOGICAL) == FAILURE)
948 /* Min/max family. */
951 min_max_args (gfc_actual_arglist * arg)
954 if (arg == NULL || arg->next == NULL)
956 gfc_error ("Intrinsic '%s' at %L must have at least two arguments",
957 gfc_current_intrinsic, gfc_current_intrinsic_where);
966 check_rest (bt type, int kind, gfc_actual_arglist * arg)
971 if (min_max_args (arg) == FAILURE)
976 for (; arg; arg = arg->next, n++)
979 if (x->ts.type != type || x->ts.kind != kind)
981 if (x->ts.type == type)
983 if (gfc_notify_std (GFC_STD_GNU,
984 "Extension: Different type kinds at %L", &x->where)
990 gfc_error ("'a%d' argument of '%s' intrinsic at %L must be %s(%d)",
991 n, gfc_current_intrinsic, &x->where,
992 gfc_basic_typename (type), kind);
1003 gfc_check_min_max (gfc_actual_arglist * arg)
1007 if (min_max_args (arg) == FAILURE)
1012 if (x->ts.type != BT_INTEGER && x->ts.type != BT_REAL)
1015 ("'a1' argument of '%s' intrinsic at %L must be INTEGER or REAL",
1016 gfc_current_intrinsic, &x->where);
1020 return check_rest (x->ts.type, x->ts.kind, arg);
1025 gfc_check_min_max_integer (gfc_actual_arglist * arg)
1028 return check_rest (BT_INTEGER, gfc_default_integer_kind (), arg);
1033 gfc_check_min_max_real (gfc_actual_arglist * arg)
1036 return check_rest (BT_REAL, gfc_default_real_kind (), arg);
1041 gfc_check_min_max_double (gfc_actual_arglist * arg)
1044 return check_rest (BT_REAL, gfc_default_double_kind (), arg);
1047 /* End of min/max family. */
1051 gfc_check_matmul (gfc_expr * matrix_a, gfc_expr * matrix_b)
1054 if ((matrix_a->ts.type != BT_LOGICAL) && !gfc_numeric_ts (&matrix_b->ts))
1056 must_be (matrix_a, 0, "numeric or LOGICAL");
1060 if ((matrix_b->ts.type != BT_LOGICAL) && !gfc_numeric_ts (&matrix_a->ts))
1062 must_be (matrix_b, 0, "numeric or LOGICAL");
1066 switch (matrix_a->rank)
1069 if (rank_check (matrix_b, 1, 2) == FAILURE)
1074 if (matrix_b->rank == 2)
1076 if (rank_check (matrix_b, 1, 1) == FAILURE)
1081 must_be (matrix_a, 0, "of rank 1 or 2");
1089 /* Whoever came up with this interface was probably on something.
1090 The possibilities for the occupation of the second and third
1097 NULL MASK minloc(array, mask=m)
1100 I.e. in the case of minloc(array,mask), mask will be in the second
1101 position of the argument list and we'll have to fix that up. */
1104 gfc_check_minloc_maxloc (gfc_actual_arglist * ap)
1106 gfc_expr *a, *m, *d;
1109 if (int_or_real_check (a, 0) == FAILURE
1110 || array_check (a, 0) == FAILURE)
1114 m = ap->next->next->expr;
1116 if (m == NULL && d != NULL && d->ts.type == BT_LOGICAL
1117 && ap->next->name[0] == '\0')
1122 ap->next->expr = NULL;
1123 ap->next->next->expr = m;
1127 && (scalar_check (d, 1) == FAILURE
1128 || type_check (d, 1, BT_INTEGER) == FAILURE))
1131 if (m != NULL && type_check (m, 2, BT_LOGICAL) == FAILURE)
1138 /* Similar to minloc/maxloc, the argument list might need to be
1139 reordered for the MINVAL, MAXVAL, PRODUCT, and SUM intrinsics. The
1140 difference is that MINLOC/MAXLOC take an additional KIND argument.
1141 The possibilities are:
1147 NULL MASK minval(array, mask=m)
1150 I.e. in the case of minval(array,mask), mask will be in the second
1151 position of the argument list and we'll have to fix that up. */
1154 gfc_check_reduction (gfc_actual_arglist * ap)
1156 gfc_expr *a, *m, *d;
1159 if (int_or_real_check (a, 0) == FAILURE
1160 || array_check (a, 0) == FAILURE)
1164 m = ap->next->next->expr;
1166 if (m == NULL && d != NULL && d->ts.type == BT_LOGICAL
1167 && ap->next->name[0] == '\0')
1172 ap->next->expr = NULL;
1173 ap->next->next->expr = m;
1177 && (scalar_check (d, 1) == FAILURE
1178 || type_check (d, 1, BT_INTEGER) == FAILURE))
1181 if (m != NULL && type_check (m, 2, BT_LOGICAL) == FAILURE)
1189 gfc_check_merge (gfc_expr * tsource, gfc_expr * fsource, gfc_expr * mask)
1192 if (same_type_check (tsource, 0, fsource, 1) == FAILURE)
1195 if (type_check (mask, 2, BT_LOGICAL) == FAILURE)
1203 gfc_check_nearest (gfc_expr * x, gfc_expr * s)
1206 if (type_check (x, 0, BT_REAL) == FAILURE)
1209 if (type_check (s, 1, BT_REAL) == FAILURE)
1217 gfc_check_null (gfc_expr * mold)
1219 symbol_attribute attr;
1224 if (variable_check (mold, 0) == FAILURE)
1227 attr = gfc_variable_attr (mold, NULL);
1231 must_be (mold, 0, "a POINTER");
1240 gfc_check_pack (gfc_expr * array, gfc_expr * mask, gfc_expr * vector)
1243 if (array_check (array, 0) == FAILURE)
1246 if (type_check (mask, 1, BT_LOGICAL) == FAILURE)
1249 if (mask->rank != 0 && mask->rank != array->rank)
1251 must_be (array, 0, "conformable with 'mask' argument");
1257 if (same_type_check (array, 0, vector, 2) == FAILURE)
1260 if (rank_check (vector, 2, 1) == FAILURE)
1263 /* TODO: More constraints here. */
1271 gfc_check_precision (gfc_expr * x)
1274 if (x->ts.type != BT_REAL && x->ts.type != BT_COMPLEX)
1276 must_be (x, 0, "of type REAL or COMPLEX");
1285 gfc_check_present (gfc_expr * a)
1289 if (variable_check (a, 0) == FAILURE)
1292 sym = a->symtree->n.sym;
1293 if (!sym->attr.dummy)
1295 must_be (a, 0, "a dummy variable");
1299 if (!sym->attr.optional)
1301 must_be (a, 0, "an OPTIONAL dummy variable");
1310 gfc_check_radix (gfc_expr * x)
1313 if (int_or_real_check (x, 0) == FAILURE)
1321 gfc_check_range (gfc_expr * x)
1324 if (numeric_check (x, 0) == FAILURE)
1331 /* real, float, sngl. */
1333 gfc_check_real (gfc_expr * a, gfc_expr * kind)
1336 if (numeric_check (a, 0) == FAILURE)
1339 if (kind_check (kind, 1, BT_REAL) == FAILURE)
1347 gfc_check_repeat (gfc_expr * x, gfc_expr * y)
1350 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1353 if (scalar_check (x, 0) == FAILURE)
1356 if (type_check (y, 0, BT_INTEGER) == FAILURE)
1359 if (scalar_check (y, 1) == FAILURE)
1367 gfc_check_reshape (gfc_expr * source, gfc_expr * shape,
1368 gfc_expr * pad, gfc_expr * order)
1373 if (array_check (source, 0) == FAILURE)
1376 if (rank_check (shape, 1, 1) == FAILURE)
1379 if (type_check (shape, 1, BT_INTEGER) == FAILURE)
1382 if (gfc_array_size (shape, &size) != SUCCESS)
1384 gfc_error ("'shape' argument of 'reshape' intrinsic at %L must be an "
1385 "array of constant size", &shape->where);
1389 m = mpz_cmp_ui (size, GFC_MAX_DIMENSIONS);
1395 ("'shape' argument of 'reshape' intrinsic at %L has more than "
1396 stringize (GFC_MAX_DIMENSIONS) " elements", &shape->where);
1402 if (same_type_check (source, 0, pad, 2) == FAILURE)
1404 if (array_check (pad, 2) == FAILURE)
1408 if (order != NULL && array_check (order, 3) == FAILURE)
1416 gfc_check_scale (gfc_expr * x, gfc_expr * i)
1419 if (type_check (x, 0, BT_REAL) == FAILURE)
1422 if (type_check (i, 1, BT_INTEGER) == FAILURE)
1430 gfc_check_scan (gfc_expr * x, gfc_expr * y, gfc_expr * z)
1433 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1436 if (type_check (y, 1, BT_CHARACTER) == FAILURE)
1439 if (z != NULL && type_check (z, 2, BT_LOGICAL) == FAILURE)
1442 if (same_type_check (x, 0, y, 1) == FAILURE)
1450 gfc_check_selected_real_kind (gfc_expr * p, gfc_expr * r)
1453 if (p == NULL && r == NULL)
1455 gfc_error ("Missing arguments to %s intrinsic at %L",
1456 gfc_current_intrinsic, gfc_current_intrinsic_where);
1461 if (p != NULL && type_check (p, 0, BT_INTEGER) == FAILURE)
1464 if (r != NULL && type_check (r, 1, BT_INTEGER) == FAILURE)
1472 gfc_check_set_exponent (gfc_expr * x, gfc_expr * i)
1475 if (type_check (x, 0, BT_REAL) == FAILURE)
1478 if (type_check (i, 1, BT_INTEGER) == FAILURE)
1486 gfc_check_shape (gfc_expr * source)
1490 if (source->rank == 0 || source->expr_type != EXPR_VARIABLE)
1493 ar = gfc_find_array_ref (source);
1495 if (ar->as && ar->as->type == AS_ASSUMED_SIZE)
1497 gfc_error ("'source' argument of 'shape' intrinsic at %L must not be "
1498 "an assumed size array", &source->where);
1507 gfc_check_size (gfc_expr * array, gfc_expr * dim)
1510 if (array_check (array, 0) == FAILURE)
1515 if (type_check (dim, 1, BT_INTEGER) == FAILURE)
1518 if (kind_value_check (dim, 1, gfc_default_integer_kind ()) == FAILURE)
1521 if (dim_rank_check (dim, array, 0) == FAILURE)
1530 gfc_check_sign (gfc_expr * a, gfc_expr * b)
1533 if (int_or_real_check (a, 0) == FAILURE)
1536 if (same_type_check (a, 0, b, 1) == FAILURE)
1544 gfc_check_spread (gfc_expr * source, gfc_expr * dim, gfc_expr * ncopies)
1547 if (source->rank >= GFC_MAX_DIMENSIONS)
1549 must_be (source, 0, "less than rank " stringize (GFC_MAX_DIMENSIONS));
1553 if (dim_check (dim, 1, 0) == FAILURE)
1556 if (type_check (ncopies, 2, BT_INTEGER) == FAILURE)
1558 if (scalar_check (ncopies, 2) == FAILURE)
1566 gfc_check_transfer (gfc_expr * source ATTRIBUTE_UNUSED,
1567 gfc_expr * mold ATTRIBUTE_UNUSED,
1573 if (type_check (size, 2, BT_INTEGER) == FAILURE)
1576 if (scalar_check (size, 2) == FAILURE)
1579 if (nonoptional_check (size, 2) == FAILURE)
1588 gfc_check_transpose (gfc_expr * matrix)
1591 if (rank_check (matrix, 0, 2) == FAILURE)
1599 gfc_check_ubound (gfc_expr * array, gfc_expr * dim)
1602 if (array_check (array, 0) == FAILURE)
1607 if (dim_check (dim, 1, 1) == FAILURE)
1610 if (dim_rank_check (dim, array, 0) == FAILURE)
1618 gfc_check_unpack (gfc_expr * vector, gfc_expr * mask, gfc_expr * field)
1621 if (rank_check (vector, 0, 1) == FAILURE)
1624 if (array_check (mask, 1) == FAILURE)
1627 if (type_check (mask, 1, BT_LOGICAL) == FAILURE)
1630 if (same_type_check (vector, 0, field, 2) == FAILURE)
1638 gfc_check_verify (gfc_expr * x, gfc_expr * y, gfc_expr * z)
1641 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1644 if (same_type_check (x, 0, y, 1) == FAILURE)
1647 if (z != NULL && type_check (z, 2, BT_LOGICAL) == FAILURE)
1655 gfc_check_trim (gfc_expr * x)
1657 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1660 if (scalar_check (x, 0) == FAILURE)
1667 /* Common check function for the half a dozen intrinsics that have a
1668 single real argument. */
1671 gfc_check_x (gfc_expr * x)
1674 if (type_check (x, 0, BT_REAL) == FAILURE)
1681 /************* Check functions for intrinsic subroutines *************/
1684 gfc_check_cpu_time (gfc_expr * time)
1687 if (scalar_check (time, 0) == FAILURE)
1690 if (type_check (time, 0, BT_REAL) == FAILURE)
1693 if (variable_check (time, 0) == FAILURE)
1701 gfc_check_date_and_time (gfc_expr * date, gfc_expr * time,
1702 gfc_expr * zone, gfc_expr * values)
1707 if (type_check (date, 0, BT_CHARACTER) == FAILURE)
1709 if (scalar_check (date, 0) == FAILURE)
1711 if (variable_check (date, 0) == FAILURE)
1717 if (type_check (time, 1, BT_CHARACTER) == FAILURE)
1719 if (scalar_check (time, 1) == FAILURE)
1721 if (variable_check (time, 1) == FAILURE)
1727 if (type_check (zone, 2, BT_CHARACTER) == FAILURE)
1729 if (scalar_check (zone, 2) == FAILURE)
1731 if (variable_check (zone, 2) == FAILURE)
1737 if (type_check (values, 3, BT_INTEGER) == FAILURE)
1739 if (array_check (values, 3) == FAILURE)
1741 if (rank_check (values, 3, 1) == FAILURE)
1743 if (variable_check (values, 3) == FAILURE)
1752 gfc_check_mvbits (gfc_expr * from, gfc_expr * frompos, gfc_expr * len,
1753 gfc_expr * to, gfc_expr * topos)
1756 if (type_check (from, 0, BT_INTEGER) == FAILURE)
1759 if (type_check (frompos, 1, BT_INTEGER) == FAILURE)
1762 if (type_check (len, 2, BT_INTEGER) == FAILURE)
1765 if (same_type_check (from, 0, to, 3) == FAILURE)
1768 if (variable_check (to, 3) == FAILURE)
1771 if (type_check (topos, 4, BT_INTEGER) == FAILURE)
1779 gfc_check_random_number (gfc_expr * harvest)
1782 if (type_check (harvest, 0, BT_REAL) == FAILURE)
1785 if (variable_check (harvest, 0) == FAILURE)
1793 gfc_check_random_seed (gfc_expr * size, gfc_expr * put, gfc_expr * get)
1798 if (scalar_check (size, 0) == FAILURE)
1801 if (type_check (size, 0, BT_INTEGER) == FAILURE)
1804 if (variable_check (size, 0) == FAILURE)
1807 if (kind_value_check (size, 0, gfc_default_integer_kind ()) == FAILURE)
1815 gfc_error ("Too many arguments to %s at %L", gfc_current_intrinsic,
1818 if (array_check (put, 1) == FAILURE)
1821 if (rank_check (put, 1, 1) == FAILURE)
1824 if (type_check (put, 1, BT_INTEGER) == FAILURE)
1827 if (kind_value_check (put, 1, gfc_default_integer_kind ()) == FAILURE)
1834 if (size != NULL || put != NULL)
1835 gfc_error ("Too many arguments to %s at %L", gfc_current_intrinsic,
1838 if (array_check (get, 2) == FAILURE)
1841 if (rank_check (get, 2, 1) == FAILURE)
1844 if (type_check (get, 2, BT_INTEGER) == FAILURE)
1847 if (variable_check (get, 2) == FAILURE)
1850 if (kind_value_check (get, 2, gfc_default_integer_kind ()) == FAILURE)
1858 gfc_check_second_sub (gfc_expr * time)
1861 if (scalar_check (time, 0) == FAILURE)
1864 if (type_check (time, 0, BT_REAL) == FAILURE)
1867 if (kind_value_check(time, 0, 4) == FAILURE)
1874 /* The arguments of SYSTEM_CLOCK are scalar, integer variables. Note,
1875 count, count_rate, and count_max are all optional arguments */
1878 gfc_check_system_clock (gfc_expr * count, gfc_expr * count_rate,
1879 gfc_expr * count_max)
1884 if (scalar_check (count, 0) == FAILURE)
1887 if (type_check (count, 0, BT_INTEGER) == FAILURE)
1890 if (variable_check (count, 0) == FAILURE)
1894 if (count_rate != NULL)
1896 if (scalar_check (count_rate, 1) == FAILURE)
1899 if (type_check (count_rate, 1, BT_INTEGER) == FAILURE)
1902 if (variable_check (count_rate, 1) == FAILURE)
1905 if (count != NULL && same_type_check(count, 0, count_rate, 1) == FAILURE)
1910 if (count_max != NULL)
1912 if (scalar_check (count_max, 2) == FAILURE)
1915 if (type_check (count_max, 2, BT_INTEGER) == FAILURE)
1918 if (variable_check (count_max, 2) == FAILURE)
1921 if (count != NULL && same_type_check(count, 0, count_max, 2) == FAILURE)
1924 if (count_rate != NULL
1925 && same_type_check(count_rate, 1, count_max, 2) == FAILURE)
1934 gfc_check_irand (gfc_expr * x)
1936 if (scalar_check (x, 0) == FAILURE)
1939 if (type_check (x, 0, BT_INTEGER) == FAILURE)
1942 if (kind_value_check(x, 0, 4) == FAILURE)
1949 gfc_check_rand (gfc_expr * x)
1951 if (scalar_check (x, 0) == FAILURE)
1954 if (type_check (x, 0, BT_INTEGER) == FAILURE)
1957 if (kind_value_check(x, 0, 4) == FAILURE)
1964 gfc_check_srand (gfc_expr * x)
1966 if (scalar_check (x, 0) == FAILURE)
1969 if (type_check (x, 0, BT_INTEGER) == FAILURE)
1972 if (kind_value_check(x, 0, 4) == FAILURE)
1979 gfc_check_etime (gfc_expr * x)
1981 if (array_check (x, 0) == FAILURE)
1984 if (rank_check (x, 0, 1) == FAILURE)
1987 if (variable_check (x, 0) == FAILURE)
1990 if (type_check (x, 0, BT_REAL) == FAILURE)
1993 if (kind_value_check(x, 0, 4) == FAILURE)
2000 gfc_check_etime_sub (gfc_expr * values, gfc_expr * time)
2002 if (array_check (values, 0) == FAILURE)
2005 if (rank_check (values, 0, 1) == FAILURE)
2008 if (variable_check (values, 0) == FAILURE)
2011 if (type_check (values, 0, BT_REAL) == FAILURE)
2014 if (kind_value_check(values, 0, 4) == FAILURE)
2017 if (scalar_check (time, 1) == FAILURE)
2020 if (type_check (time, 1, BT_REAL) == FAILURE)
2023 if (kind_value_check(time, 1, 4) == FAILURE)