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)
1102 gfc_check_minloc_maxloc (gfc_expr * array, gfc_expr * a2, gfc_expr * a3)
1105 if (int_or_real_check (array, 0) == FAILURE)
1108 if (array_check (array, 0) == FAILURE)
1113 if (logical_array_check (a3, 2) == FAILURE)
1118 if (scalar_check (a2, 1) == FAILURE)
1120 if (type_check (a2, 1, BT_INTEGER) == FAILURE)
1128 switch (a2->ts.type)
1131 if (scalar_check (a2, 1) == FAILURE)
1135 case BT_LOGICAL: /* The '2' makes the error message correct */
1136 if (logical_array_check (a2, 2) == FAILURE)
1141 type_check (a2, 1, BT_INTEGER); /* Guaranteed to fail */
1152 gfc_check_minval_maxval (gfc_expr * array, gfc_expr * dim, gfc_expr * mask)
1155 if (array_check (array, 0) == FAILURE)
1158 if (int_or_real_check (array, 0) == FAILURE)
1161 if (dim_check (dim, 1, 1) == FAILURE)
1164 if (mask != NULL && logical_array_check (mask, 2) == FAILURE)
1172 gfc_check_merge (gfc_expr * tsource, gfc_expr * fsource, gfc_expr * mask)
1175 if (same_type_check (tsource, 0, fsource, 1) == FAILURE)
1178 if (type_check (mask, 2, BT_LOGICAL) == FAILURE)
1186 gfc_check_nearest (gfc_expr * x, gfc_expr * s)
1189 if (type_check (x, 0, BT_REAL) == FAILURE)
1192 if (type_check (s, 1, BT_REAL) == FAILURE)
1200 gfc_check_null (gfc_expr * mold)
1202 symbol_attribute attr;
1207 if (variable_check (mold, 0) == FAILURE)
1210 attr = gfc_variable_attr (mold, NULL);
1214 must_be (mold, 0, "a POINTER");
1223 gfc_check_pack (gfc_expr * array, gfc_expr * mask, gfc_expr * vector)
1226 if (array_check (array, 0) == FAILURE)
1229 if (type_check (mask, 1, BT_LOGICAL) == FAILURE)
1232 if (mask->rank != 0 && mask->rank != array->rank)
1234 must_be (array, 0, "conformable with 'mask' argument");
1240 if (same_type_check (array, 0, vector, 2) == FAILURE)
1243 if (rank_check (vector, 2, 1) == FAILURE)
1246 /* TODO: More constraints here. */
1254 gfc_check_precision (gfc_expr * x)
1257 if (x->ts.type != BT_REAL && x->ts.type != BT_COMPLEX)
1259 must_be (x, 0, "of type REAL or COMPLEX");
1268 gfc_check_present (gfc_expr * a)
1272 if (variable_check (a, 0) == FAILURE)
1275 sym = a->symtree->n.sym;
1276 if (!sym->attr.dummy)
1278 must_be (a, 0, "a dummy variable");
1282 if (!sym->attr.optional)
1284 must_be (a, 0, "an OPTIONAL dummy variable");
1293 gfc_check_product (gfc_expr * array, gfc_expr * dim, gfc_expr * mask)
1296 if (array_check (array, 0) == FAILURE)
1299 if (numeric_check (array, 0) == FAILURE)
1302 if (dim_check (dim, 1, 1) == FAILURE)
1305 if (mask != NULL && logical_array_check (mask, 2) == FAILURE)
1313 gfc_check_radix (gfc_expr * x)
1316 if (int_or_real_check (x, 0) == FAILURE)
1324 gfc_check_range (gfc_expr * x)
1327 if (numeric_check (x, 0) == FAILURE)
1334 /* real, float, sngl. */
1336 gfc_check_real (gfc_expr * a, gfc_expr * kind)
1339 if (numeric_check (a, 0) == FAILURE)
1342 if (kind_check (kind, 1, BT_REAL) == FAILURE)
1350 gfc_check_repeat (gfc_expr * x, gfc_expr * y)
1353 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1356 if (scalar_check (x, 0) == FAILURE)
1359 if (type_check (y, 0, BT_INTEGER) == FAILURE)
1362 if (scalar_check (y, 1) == FAILURE)
1370 gfc_check_reshape (gfc_expr * source, gfc_expr * shape,
1371 gfc_expr * pad, gfc_expr * order)
1376 if (array_check (source, 0) == FAILURE)
1379 if (rank_check (shape, 1, 1) == FAILURE)
1382 if (type_check (shape, 1, BT_INTEGER) == FAILURE)
1385 if (gfc_array_size (shape, &size) != SUCCESS)
1387 gfc_error ("'shape' argument of 'reshape' intrinsic at %L must be an "
1388 "array of constant size", &shape->where);
1392 m = mpz_cmp_ui (size, GFC_MAX_DIMENSIONS);
1398 ("'shape' argument of 'reshape' intrinsic at %L has more than "
1399 stringize (GFC_MAX_DIMENSIONS) " elements", &shape->where);
1405 if (same_type_check (source, 0, pad, 2) == FAILURE)
1407 if (array_check (pad, 2) == FAILURE)
1411 if (order != NULL && array_check (order, 3) == FAILURE)
1419 gfc_check_scale (gfc_expr * x, gfc_expr * i)
1422 if (type_check (x, 0, BT_REAL) == FAILURE)
1425 if (type_check (i, 1, BT_INTEGER) == FAILURE)
1433 gfc_check_scan (gfc_expr * x, gfc_expr * y, gfc_expr * z)
1436 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1439 if (type_check (y, 1, BT_CHARACTER) == FAILURE)
1442 if (z != NULL && type_check (z, 2, BT_LOGICAL) == FAILURE)
1445 if (same_type_check (x, 0, y, 1) == FAILURE)
1453 gfc_check_selected_real_kind (gfc_expr * p, gfc_expr * r)
1456 if (p == NULL && r == NULL)
1458 gfc_error ("Missing arguments to %s intrinsic at %L",
1459 gfc_current_intrinsic, gfc_current_intrinsic_where);
1464 if (p != NULL && type_check (p, 0, BT_INTEGER) == FAILURE)
1467 if (r != NULL && type_check (r, 1, BT_INTEGER) == FAILURE)
1475 gfc_check_set_exponent (gfc_expr * x, gfc_expr * i)
1478 if (type_check (x, 0, BT_REAL) == FAILURE)
1481 if (type_check (i, 1, BT_INTEGER) == FAILURE)
1489 gfc_check_shape (gfc_expr * source)
1493 if (source->rank == 0 || source->expr_type != EXPR_VARIABLE)
1496 ar = gfc_find_array_ref (source);
1498 if (ar->as && ar->as->type == AS_ASSUMED_SIZE)
1500 gfc_error ("'source' argument of 'shape' intrinsic at %L must not be "
1501 "an assumed size array", &source->where);
1510 gfc_check_size (gfc_expr * array, gfc_expr * dim)
1513 if (array_check (array, 0) == FAILURE)
1518 if (type_check (dim, 1, BT_INTEGER) == FAILURE)
1521 if (kind_value_check (dim, 1, gfc_default_integer_kind ()) == FAILURE)
1524 if (dim_rank_check (dim, array, 0) == FAILURE)
1533 gfc_check_sign (gfc_expr * a, gfc_expr * b)
1536 if (int_or_real_check (a, 0) == FAILURE)
1539 if (same_type_check (a, 0, b, 1) == FAILURE)
1547 gfc_check_spread (gfc_expr * source, gfc_expr * dim, gfc_expr * ncopies)
1550 if (source->rank >= GFC_MAX_DIMENSIONS)
1552 must_be (source, 0, "less than rank " stringize (GFC_MAX_DIMENSIONS));
1556 if (dim_check (dim, 1, 0) == FAILURE)
1559 if (type_check (ncopies, 2, BT_INTEGER) == FAILURE)
1561 if (scalar_check (ncopies, 2) == FAILURE)
1569 gfc_check_sum (gfc_expr * array, gfc_expr * dim, gfc_expr * mask)
1572 if (array_check (array, 0) == FAILURE)
1575 if (numeric_check (array, 0) == FAILURE)
1578 if (dim_check (dim, 1, 1) == FAILURE)
1581 if (mask != NULL && logical_array_check (mask, 2) == FAILURE)
1589 gfc_check_transfer (gfc_expr * source ATTRIBUTE_UNUSED,
1590 gfc_expr * mold ATTRIBUTE_UNUSED,
1596 if (type_check (size, 2, BT_INTEGER) == FAILURE)
1599 if (scalar_check (size, 2) == FAILURE)
1602 if (nonoptional_check (size, 2) == FAILURE)
1611 gfc_check_transpose (gfc_expr * matrix)
1614 if (rank_check (matrix, 0, 2) == FAILURE)
1622 gfc_check_ubound (gfc_expr * array, gfc_expr * dim)
1625 if (array_check (array, 0) == FAILURE)
1630 if (dim_check (dim, 1, 1) == FAILURE)
1633 if (dim_rank_check (dim, array, 0) == FAILURE)
1641 gfc_check_unpack (gfc_expr * vector, gfc_expr * mask, gfc_expr * field)
1644 if (rank_check (vector, 0, 1) == FAILURE)
1647 if (array_check (mask, 1) == FAILURE)
1650 if (type_check (mask, 1, BT_LOGICAL) == FAILURE)
1653 if (same_type_check (vector, 0, field, 2) == FAILURE)
1661 gfc_check_verify (gfc_expr * x, gfc_expr * y, gfc_expr * z)
1664 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1667 if (same_type_check (x, 0, y, 1) == FAILURE)
1670 if (z != NULL && type_check (z, 2, BT_LOGICAL) == FAILURE)
1678 gfc_check_trim (gfc_expr * x)
1680 if (type_check (x, 0, BT_CHARACTER) == FAILURE)
1683 if (scalar_check (x, 0) == FAILURE)
1690 /* Common check function for the half a dozen intrinsics that have a
1691 single real argument. */
1694 gfc_check_x (gfc_expr * x)
1697 if (type_check (x, 0, BT_REAL) == FAILURE)
1704 /************* Check functions for intrinsic subroutines *************/
1707 gfc_check_cpu_time (gfc_expr * time)
1710 if (scalar_check (time, 0) == FAILURE)
1713 if (type_check (time, 0, BT_REAL) == FAILURE)
1716 if (variable_check (time, 0) == FAILURE)
1724 gfc_check_date_and_time (gfc_expr * date, gfc_expr * time,
1725 gfc_expr * zone, gfc_expr * values)
1730 if (type_check (date, 0, BT_CHARACTER) == FAILURE)
1732 if (scalar_check (date, 0) == FAILURE)
1734 if (variable_check (date, 0) == FAILURE)
1740 if (type_check (time, 1, BT_CHARACTER) == FAILURE)
1742 if (scalar_check (time, 1) == FAILURE)
1744 if (variable_check (time, 1) == FAILURE)
1750 if (type_check (zone, 2, BT_CHARACTER) == FAILURE)
1752 if (scalar_check (zone, 2) == FAILURE)
1754 if (variable_check (zone, 2) == FAILURE)
1760 if (type_check (values, 3, BT_INTEGER) == FAILURE)
1762 if (array_check (values, 3) == FAILURE)
1764 if (rank_check (values, 3, 1) == FAILURE)
1766 if (variable_check (values, 3) == FAILURE)
1775 gfc_check_mvbits (gfc_expr * from, gfc_expr * frompos, gfc_expr * len,
1776 gfc_expr * to, gfc_expr * topos)
1779 if (type_check (from, 0, BT_INTEGER) == FAILURE)
1782 if (type_check (frompos, 1, BT_INTEGER) == FAILURE)
1785 if (type_check (len, 2, BT_INTEGER) == FAILURE)
1788 if (same_type_check (from, 0, to, 3) == FAILURE)
1791 if (variable_check (to, 3) == FAILURE)
1794 if (type_check (topos, 4, BT_INTEGER) == FAILURE)
1802 gfc_check_random_number (gfc_expr * harvest)
1805 if (type_check (harvest, 0, BT_REAL) == FAILURE)
1808 if (variable_check (harvest, 0) == FAILURE)
1816 gfc_check_random_seed (gfc_expr * size, gfc_expr * put, gfc_expr * get)
1821 if (scalar_check (size, 0) == FAILURE)
1824 if (type_check (size, 0, BT_INTEGER) == FAILURE)
1827 if (variable_check (size, 0) == FAILURE)
1830 if (kind_value_check (size, 0, gfc_default_integer_kind ()) == FAILURE)
1838 gfc_error ("Too many arguments to %s at %L", gfc_current_intrinsic,
1841 if (array_check (put, 1) == FAILURE)
1844 if (rank_check (put, 1, 1) == FAILURE)
1847 if (type_check (put, 1, BT_INTEGER) == FAILURE)
1850 if (kind_value_check (put, 1, gfc_default_integer_kind ()) == FAILURE)
1857 if (size != NULL || put != NULL)
1858 gfc_error ("Too many arguments to %s at %L", gfc_current_intrinsic,
1861 if (array_check (get, 2) == FAILURE)
1864 if (rank_check (get, 2, 1) == FAILURE)
1867 if (type_check (get, 2, BT_INTEGER) == FAILURE)
1870 if (variable_check (get, 2) == FAILURE)
1873 if (kind_value_check (get, 2, gfc_default_integer_kind ()) == FAILURE)
1881 gfc_check_second_sub (gfc_expr * time)
1884 if (scalar_check (time, 0) == FAILURE)
1887 if (type_check (time, 0, BT_REAL) == FAILURE)
1890 if (kind_value_check(time, 0, 4) == FAILURE)
1897 /* The arguments of SYSTEM_CLOCK are scalar, integer variables. Note,
1898 count, count_rate, and count_max are all optional arguments */
1901 gfc_check_system_clock (gfc_expr * count, gfc_expr * count_rate,
1902 gfc_expr * count_max)
1907 if (scalar_check (count, 0) == FAILURE)
1910 if (type_check (count, 0, BT_INTEGER) == FAILURE)
1913 if (variable_check (count, 0) == FAILURE)
1917 if (count_rate != NULL)
1919 if (scalar_check (count_rate, 1) == FAILURE)
1922 if (type_check (count_rate, 1, BT_INTEGER) == FAILURE)
1925 if (variable_check (count_rate, 1) == FAILURE)
1928 if (count != NULL && same_type_check(count, 0, count_rate, 1) == FAILURE)
1933 if (count_max != NULL)
1935 if (scalar_check (count_max, 2) == FAILURE)
1938 if (type_check (count_max, 2, BT_INTEGER) == FAILURE)
1941 if (variable_check (count_max, 2) == FAILURE)
1944 if (count != NULL && same_type_check(count, 0, count_max, 2) == FAILURE)
1947 if (count_rate != NULL
1948 && same_type_check(count_rate, 1, count_max, 2) == FAILURE)
1957 gfc_check_irand (gfc_expr * x)
1959 if (scalar_check (x, 0) == FAILURE)
1962 if (type_check (x, 0, BT_INTEGER) == FAILURE)
1965 if (kind_value_check(x, 0, 4) == FAILURE)
1972 gfc_check_rand (gfc_expr * x)
1974 if (scalar_check (x, 0) == FAILURE)
1977 if (type_check (x, 0, BT_INTEGER) == FAILURE)
1980 if (kind_value_check(x, 0, 4) == FAILURE)
1987 gfc_check_srand (gfc_expr * x)
1989 if (scalar_check (x, 0) == FAILURE)
1992 if (type_check (x, 0, BT_INTEGER) == FAILURE)
1995 if (kind_value_check(x, 0, 4) == FAILURE)
2002 gfc_check_etime (gfc_expr * x)
2004 if (array_check (x, 0) == FAILURE)
2007 if (rank_check (x, 0, 1) == FAILURE)
2010 if (variable_check (x, 0) == FAILURE)
2013 if (type_check (x, 0, BT_REAL) == FAILURE)
2016 if (kind_value_check(x, 0, 4) == FAILURE)
2023 gfc_check_etime_sub (gfc_expr * values, gfc_expr * time)
2025 if (array_check (values, 0) == FAILURE)
2028 if (rank_check (values, 0, 1) == FAILURE)
2031 if (variable_check (values, 0) == FAILURE)
2034 if (type_check (values, 0, BT_REAL) == FAILURE)
2037 if (kind_value_check(values, 0, 4) == FAILURE)
2040 if (scalar_check (time, 1) == FAILURE)
2043 if (type_check (time, 1, BT_REAL) == FAILURE)
2046 if (kind_value_check(time, 1, 4) == FAILURE)