/* Simplify intrinsic functions at compile-time.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Contributed by Andy Vaught & Katherine Holcomb
return result;
}
-/* We use the processor's collating sequence, because all
- systems that gfortran currently works on are ASCII. */
-gfc_expr *
-gfc_simplify_achar (gfc_expr *e, gfc_expr *k)
+static gfc_expr *
+simplify_achar_char (gfc_expr *e, gfc_expr *k, const char *name, bool ascii)
{
gfc_expr *result;
- int c, kind;
- const char *ch;
+ int kind;
+ bool too_large = false;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
- kind = get_kind (BT_CHARACTER, k, "ACHAR", gfc_default_character_kind);
+ kind = get_kind (BT_CHARACTER, k, name, gfc_default_character_kind);
if (kind == -1)
return &gfc_bad_expr;
- ch = gfc_extract_int (e, &c);
-
- if (ch != NULL)
- gfc_internal_error ("gfc_simplify_achar: %s", ch);
-
- if (gfc_option.warn_surprising && (c < 0 || c > 127))
- gfc_warning ("Argument of ACHAR function at %L outside of range [0,127]",
+ if (mpz_cmp_si (e->value.integer, 0) < 0)
+ {
+ gfc_error ("Argument of %s function at %L is negative", name,
&e->where);
+ return &gfc_bad_expr;
+ }
- result = gfc_constant_result (BT_CHARACTER, kind, &e->where);
+ if (ascii && gfc_option.warn_surprising
+ && mpz_cmp_si (e->value.integer, 127) > 0)
+ gfc_warning ("Argument of %s function at %L outside of range [0,127]",
+ name, &e->where);
- result->value.character.string = gfc_getmem (2);
+ if (kind == 1 && mpz_cmp_si (e->value.integer, 255) > 0)
+ too_large = true;
+ else if (kind == 4)
+ {
+ mpz_t t;
+ mpz_init_set_ui (t, 2);
+ mpz_pow_ui (t, t, 32);
+ mpz_sub_ui (t, t, 1);
+ if (mpz_cmp (e->value.integer, t) > 0)
+ too_large = true;
+ mpz_clear (t);
+ }
+ if (too_large)
+ {
+ gfc_error ("Argument of %s function at %L is too large for the "
+ "collating sequence of kind %d", name, &e->where, kind);
+ return &gfc_bad_expr;
+ }
+
+ result = gfc_constant_result (BT_CHARACTER, kind, &e->where);
+ result->value.character.string = gfc_get_wide_string (2);
result->value.character.length = 1;
- result->value.character.string[0] = c;
+ result->value.character.string[0] = mpz_get_ui (e->value.integer);
result->value.character.string[1] = '\0'; /* For debugger */
return result;
}
+
+/* We use the processor's collating sequence, because all
+ systems that gfortran currently works on are ASCII. */
+
+gfc_expr *
+gfc_simplify_achar (gfc_expr *e, gfc_expr *k)
+{
+ return simplify_achar_char (e, k, "ACHAR", true);
+}
+
+
gfc_expr *
gfc_simplify_acos (gfc_expr *x)
{
{
gfc_expr *result;
int count, i, len;
- char ch;
+ gfc_char_t ch;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
result = gfc_constant_result (BT_CHARACTER, e->ts.kind, &e->where);
result->value.character.length = len;
- result->value.character.string = gfc_getmem (len + 1);
+ result->value.character.string = gfc_get_wide_string (len + 1);
for (count = 0, i = 0; i < len; ++i)
{
{
gfc_expr *result;
int count, i, len;
- char ch;
+ gfc_char_t ch;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
result = gfc_constant_result (BT_CHARACTER, e->ts.kind, &e->where);
result->value.character.length = len;
- result->value.character.string = gfc_getmem (len + 1);
+ result->value.character.string = gfc_get_wide_string (len + 1);
for (count = 0, i = len - 1; i >= 0; --i)
{
{
result = gfc_constant_result (BT_INTEGER, kind, &x->where);
mpz_and (result->value.integer, x->value.integer, y->value.integer);
+ return range_check (result, "AND");
}
else /* BT_LOGICAL */
{
result = gfc_constant_result (BT_LOGICAL, kind, &x->where);
result->value.logical = x->value.logical && y->value.logical;
+ return result;
}
-
- return range_check (result, "AND");
}
if (x->expr_type != EXPR_CONSTANT || y->expr_type != EXPR_CONSTANT)
return NULL;
- result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
-
if (mpfr_sgn (y->value.real) == 0 && mpfr_sgn (x->value.real) == 0)
{
gfc_error ("If first argument of ATAN2 %L is zero, then the "
"second argument must not be zero", &x->where);
- gfc_free_expr (result);
return &gfc_bad_expr;
}
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+
mpfr_atan2 (result->value.real, y->value.real, x->value.real, GFC_RND_MODE);
return range_check (result, "ATAN2");
gfc_expr *
+gfc_simplify_bessel_j0 (gfc_expr *x ATTRIBUTE_UNUSED)
+{
+ gfc_expr *result;
+
+ if (x->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+ mpfr_j0 (result->value.real, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "BESSEL_J0");
+}
+
+
+gfc_expr *
+gfc_simplify_bessel_j1 (gfc_expr *x ATTRIBUTE_UNUSED)
+{
+ gfc_expr *result;
+
+ if (x->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+ mpfr_j1 (result->value.real, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "BESSEL_J1");
+}
+
+
+gfc_expr *
+gfc_simplify_bessel_jn (gfc_expr *order ATTRIBUTE_UNUSED,
+ gfc_expr *x ATTRIBUTE_UNUSED)
+{
+ gfc_expr *result;
+ long n;
+
+ if (x->expr_type != EXPR_CONSTANT || order->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ n = mpz_get_si (order->value.integer);
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+ mpfr_jn (result->value.real, n, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "BESSEL_JN");
+}
+
+
+gfc_expr *
+gfc_simplify_bessel_y0 (gfc_expr *x ATTRIBUTE_UNUSED)
+{
+ gfc_expr *result;
+
+ if (x->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+ mpfr_y0 (result->value.real, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "BESSEL_Y0");
+}
+
+
+gfc_expr *
+gfc_simplify_bessel_y1 (gfc_expr *x ATTRIBUTE_UNUSED)
+{
+ gfc_expr *result;
+
+ if (x->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+ mpfr_y1 (result->value.real, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "BESSEL_Y1");
+}
+
+
+gfc_expr *
+gfc_simplify_bessel_yn (gfc_expr *order ATTRIBUTE_UNUSED,
+ gfc_expr *x ATTRIBUTE_UNUSED)
+{
+ gfc_expr *result;
+ long n;
+
+ if (x->expr_type != EXPR_CONSTANT || order->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ n = mpz_get_si (order->value.integer);
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+ mpfr_yn (result->value.real, n, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "BESSEL_YN");
+}
+
+
+gfc_expr *
gfc_simplify_bit_size (gfc_expr *e)
{
gfc_expr *result;
ceil = gfc_copy_expr (e);
mpfr_ceil (ceil->value.real, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, ceil->value.real);
+ gfc_mpfr_to_mpz (result->value.integer, ceil->value.real, &e->where);
gfc_free_expr (ceil);
gfc_expr *
gfc_simplify_char (gfc_expr *e, gfc_expr *k)
{
- gfc_expr *result;
- int c, kind;
- const char *ch;
-
- kind = get_kind (BT_CHARACTER, k, "CHAR", gfc_default_character_kind);
- if (kind == -1)
- return &gfc_bad_expr;
-
- if (e->expr_type != EXPR_CONSTANT)
- return NULL;
-
- ch = gfc_extract_int (e, &c);
-
- if (ch != NULL)
- gfc_internal_error ("gfc_simplify_char: %s", ch);
-
- if (c < 0 || c > UCHAR_MAX)
- gfc_error ("Argument of CHAR function at %L outside of range [0,255]",
- &e->where);
-
- result = gfc_constant_result (BT_CHARACTER, kind, &e->where);
-
- result->value.character.length = 1;
- result->value.character.string = gfc_getmem (2);
-
- result->value.character.string[0] = c;
- result->value.character.string[1] = '\0'; /* For debugger */
-
- return result;
+ return simplify_achar_char (e, k, "CHAR", false);
}
{
case BT_INTEGER:
if (!y->is_boz)
- mpfr_set_z (result->value.complex.i, y->value.integer, GFC_RND_MODE);
+ mpfr_set_z (result->value.complex.i, y->value.integer,
+ GFC_RND_MODE);
break;
case BT_REAL:
}
+/* Function called when we won't simplify an expression like CMPLX (or
+ COMPLEX or DCMPLX) but still want to convert BOZ arguments. */
+
+static gfc_expr *
+only_convert_cmplx_boz (gfc_expr *x, gfc_expr *y, int kind)
+{
+ gfc_typespec ts;
+ gfc_clear_ts (&ts);
+ ts.type = BT_REAL;
+ ts.kind = kind;
+
+ if (x->is_boz && !gfc_convert_boz (x, &ts))
+ return &gfc_bad_expr;
+
+ if (y && y->is_boz && !gfc_convert_boz (y, &ts))
+ return &gfc_bad_expr;
+
+ return NULL;
+}
+
+
gfc_expr *
gfc_simplify_cmplx (gfc_expr *x, gfc_expr *y, gfc_expr *k)
{
int kind;
- if (x->expr_type != EXPR_CONSTANT
- || (y != NULL && y->expr_type != EXPR_CONSTANT))
- return NULL;
-
kind = get_kind (BT_REAL, k, "CMPLX", gfc_default_real_kind);
if (kind == -1)
return &gfc_bad_expr;
+ if (x->expr_type != EXPR_CONSTANT
+ || (y != NULL && y->expr_type != EXPR_CONSTANT))
+ return only_convert_cmplx_boz (x, y, kind);
+
return simplify_cmplx ("CMPLX", x, y, kind);
}
{
int kind;
- if (x->expr_type != EXPR_CONSTANT
- || (y != NULL && y->expr_type != EXPR_CONSTANT))
- return NULL;
-
if (x->ts.type == BT_INTEGER)
{
if (y->ts.type == BT_INTEGER)
kind = x->ts.kind;
}
+ if (x->expr_type != EXPR_CONSTANT
+ || (y != NULL && y->expr_type != EXPR_CONSTANT))
+ return only_convert_cmplx_boz (x, y, kind);
+
return simplify_cmplx ("COMPLEX", x, y, kind);
}
mpfr_mul (xp, xp, xq, GFC_RND_MODE);
mpfr_neg (result->value.complex.i, xp, GFC_RND_MODE );
- mpfr_clear (xp);
- mpfr_clear (xq);
+ mpfr_clears (xp, xq, NULL);
break;
default:
gfc_internal_error ("in gfc_simplify_cos(): Bad type");
if (x->expr_type != EXPR_CONSTANT
|| (y != NULL && y->expr_type != EXPR_CONSTANT))
- return NULL;
+ return only_convert_cmplx_boz (x, y, gfc_default_double_kind);
return simplify_cmplx ("DCMPLX", x, y, gfc_default_double_kind);
}
gfc_expr *
gfc_simplify_dble (gfc_expr *e)
{
- gfc_expr *result;
+ gfc_expr *result = NULL;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
ts.kind = gfc_default_double_kind;
result = gfc_copy_expr (e);
if (!gfc_convert_boz (result, &ts))
- return &gfc_bad_expr;
+ {
+ gfc_free_expr (result);
+ return &gfc_bad_expr;
+ }
}
return range_check (result, "DBLE");
gfc_expr *
+gfc_simplify_erf (gfc_expr *x)
+{
+ gfc_expr *result;
+
+ if (x->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+
+ mpfr_erf (result->value.real, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "ERF");
+}
+
+
+gfc_expr *
+gfc_simplify_erfc (gfc_expr *x)
+{
+ gfc_expr *result;
+
+ if (x->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
+
+ mpfr_erfc (result->value.real, x->value.real, GFC_RND_MODE);
+
+ return range_check (result, "ERFC");
+}
+
+
+gfc_expr *
gfc_simplify_epsilon (gfc_expr *e)
{
gfc_expr *result;
mpfr_mul (result->value.complex.r, xq, xp, GFC_RND_MODE);
mpfr_sin (xp, x->value.complex.i, GFC_RND_MODE);
mpfr_mul (result->value.complex.i, xq, xp, GFC_RND_MODE);
- mpfr_clear (xp);
- mpfr_clear (xq);
+ mpfr_clears (xp, xq, NULL);
break;
default:
result = gfc_copy_expr (a);
if (!gfc_convert_boz (result, &ts))
- return &gfc_bad_expr;
+ {
+ gfc_free_expr (result);
+ return &gfc_bad_expr;
+ }
}
else
result = gfc_int2real (a, gfc_default_real_kind);
mpfr_init (floor);
mpfr_floor (floor, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, floor);
+ gfc_mpfr_to_mpz (result->value.integer, floor, &e->where);
mpfr_clear (floor);
result = gfc_constant_result (BT_REAL, x->ts.kind, &x->where);
- gfc_set_model_kind (x->ts.kind);
-
if (mpfr_sgn (x->value.real) == 0)
{
mpfr_set_ui (result->value.real, 0, GFC_RND_MODE);
return result;
}
+ gfc_set_model_kind (x->ts.kind);
mpfr_init (exp);
mpfr_init (absv);
mpfr_init (pow2);
mpfr_div (result->value.real, absv, pow2, GFC_RND_MODE);
- mpfr_clear (exp);
- mpfr_clear (absv);
- mpfr_clear (pow2);
+ mpfr_clears (exp, absv, pow2, NULL);
return range_check (result, "FRACTION");
}
result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
- gfc_set_model_kind (x->ts.kind);
-
mpfr_gamma (result->value.real, x->value.real, GFC_RND_MODE);
return range_check (result, "GAMMA");
gfc_simplify_iachar (gfc_expr *e, gfc_expr *kind)
{
gfc_expr *result;
- int index;
+ gfc_char_t index;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
return &gfc_bad_expr;
}
- index = (unsigned char) e->value.character.string[0];
+ index = e->value.character.string[0];
if (gfc_option.warn_surprising && index > 127)
gfc_warning ("Argument of IACHAR function at %L outside of range 0..127",
convert_mpz_to_unsigned (result->value.integer,
gfc_integer_kinds[k].bit_size);
- bits = gfc_getmem (bitsize * sizeof (int));
+ bits = XCNEWVEC (int, bitsize);
for (i = 0; i < bitsize; i++)
bits[i] = 0;
gfc_simplify_ichar (gfc_expr *e, gfc_expr *kind)
{
gfc_expr *result;
- int index;
+ gfc_char_t index;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
return &gfc_bad_expr;
}
- index = (unsigned char) e->value.character.string[0];
-
- if (index < 0 || index > UCHAR_MAX)
- gfc_internal_error("Argument of ICHAR at %L out of range", &e->where);
+ index = e->value.character.string[0];
if ((result = int_expr_with_kind (index, kind, "ICHAR")) == NULL)
return &gfc_bad_expr;
int back, len, lensub;
int i, j, k, count, index = 0, start;
- if (x->expr_type != EXPR_CONSTANT || y->expr_type != EXPR_CONSTANT)
+ if (x->expr_type != EXPR_CONSTANT || y->expr_type != EXPR_CONSTANT
+ || ( b != NULL && b->expr_type != EXPR_CONSTANT))
return NULL;
if (b != NULL && b->value.logical != 0)
gfc_expr *
gfc_simplify_int (gfc_expr *e, gfc_expr *k)
{
- gfc_expr *rpart, *rtrunc, *result;
+ gfc_expr *result = NULL;
int kind;
kind = get_kind (BT_INTEGER, k, "INT", gfc_default_integer_kind);
if (e->expr_type != EXPR_CONSTANT)
return NULL;
- result = gfc_constant_result (BT_INTEGER, kind, &e->where);
-
switch (e->ts.type)
{
case BT_INTEGER:
- mpz_set (result->value.integer, e->value.integer);
+ result = gfc_int2int (e, kind);
break;
case BT_REAL:
- rtrunc = gfc_copy_expr (e);
- mpfr_trunc (rtrunc->value.real, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
- gfc_free_expr (rtrunc);
+ result = gfc_real2int (e, kind);
break;
case BT_COMPLEX:
- rpart = gfc_complex2real (e, kind);
- rtrunc = gfc_copy_expr (rpart);
- mpfr_trunc (rtrunc->value.real, rpart->value.real);
- gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
- gfc_free_expr (rpart);
- gfc_free_expr (rtrunc);
+ result = gfc_complex2int (e, kind);
break;
default:
gfc_error ("Argument of INT at %L is not a valid type", &e->where);
- gfc_free_expr (result);
return &gfc_bad_expr;
}
static gfc_expr *
-gfc_simplify_intconv (gfc_expr *e, int kind, const char *name)
+simplify_intconv (gfc_expr *e, int kind, const char *name)
{
- gfc_expr *rpart, *rtrunc, *result;
+ gfc_expr *result = NULL;
if (e->expr_type != EXPR_CONSTANT)
return NULL;
- result = gfc_constant_result (BT_INTEGER, kind, &e->where);
-
switch (e->ts.type)
{
case BT_INTEGER:
- mpz_set (result->value.integer, e->value.integer);
+ result = gfc_int2int (e, kind);
break;
case BT_REAL:
- rtrunc = gfc_copy_expr (e);
- mpfr_trunc (rtrunc->value.real, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
- gfc_free_expr (rtrunc);
+ result = gfc_real2int (e, kind);
break;
case BT_COMPLEX:
- rpart = gfc_complex2real (e, kind);
- rtrunc = gfc_copy_expr (rpart);
- mpfr_trunc (rtrunc->value.real, rpart->value.real);
- gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
- gfc_free_expr (rpart);
- gfc_free_expr (rtrunc);
+ result = gfc_complex2int (e, kind);
break;
default:
gfc_error ("Argument of %s at %L is not a valid type", name, &e->where);
- gfc_free_expr (result);
return &gfc_bad_expr;
}
gfc_expr *
gfc_simplify_int2 (gfc_expr *e)
{
- return gfc_simplify_intconv (e, 2, "INT2");
+ return simplify_intconv (e, 2, "INT2");
}
gfc_expr *
gfc_simplify_int8 (gfc_expr *e)
{
- return gfc_simplify_intconv (e, 8, "INT8");
+ return simplify_intconv (e, 8, "INT8");
}
gfc_expr *
gfc_simplify_long (gfc_expr *e)
{
- return gfc_simplify_intconv (e, 4, "LONG");
+ return simplify_intconv (e, 4, "LONG");
}
rtrunc = gfc_copy_expr (e);
mpfr_trunc (rtrunc->value.real, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
+ gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real, &e->where);
gfc_free_expr (rtrunc);
return range_check (result, "IFIX");
rtrunc = gfc_copy_expr (e);
mpfr_trunc (rtrunc->value.real, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
+ gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real, &e->where);
gfc_free_expr (rtrunc);
return range_check (result, "IDINT");
return range_check (result, "ISHFT");
}
- bits = gfc_getmem (isize * sizeof (int));
+ bits = XCNEWVEC (int, isize);
for (i = 0; i < isize; i++)
bits[i] = mpz_tstbit (e->value.integer, i);
convert_mpz_to_unsigned (result->value.integer, isize);
- bits = gfc_getmem (ssize * sizeof (int));
+ bits = XCNEWVEC (int, ssize);
for (i = 0; i < ssize; i++)
bits[i] = mpz_tstbit (e->value.integer, i);
static gfc_expr *
simplify_bound_dim (gfc_expr *array, gfc_expr *kind, int d, int upper,
- gfc_array_spec *as)
+ gfc_array_spec *as, gfc_ref *ref)
{
gfc_expr *l, *u, *result;
int k;
return NULL;
}
- /* Then, we need to know the extent of the given dimension. */
- l = as->lower[d-1];
- u = as->upper[d-1];
-
- if (l->expr_type != EXPR_CONSTANT || u->expr_type != EXPR_CONSTANT)
- return NULL;
-
k = get_kind (BT_INTEGER, kind, upper ? "UBOUND" : "LBOUND",
gfc_default_integer_kind);
if (k == -1)
result = gfc_constant_result (BT_INTEGER, k, &array->where);
- if (mpz_cmp (l->value.integer, u->value.integer) > 0)
+
+ /* Then, we need to know the extent of the given dimension. */
+ if (ref->u.ar.type == AR_FULL)
{
- /* Zero extent. */
- if (upper)
- mpz_set_si (result->value.integer, 0);
+ l = as->lower[d-1];
+ u = as->upper[d-1];
+
+ if (l->expr_type != EXPR_CONSTANT || u->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ if (mpz_cmp (l->value.integer, u->value.integer) > 0)
+ {
+ /* Zero extent. */
+ if (upper)
+ mpz_set_si (result->value.integer, 0);
+ else
+ mpz_set_si (result->value.integer, 1);
+ }
else
- mpz_set_si (result->value.integer, 1);
+ {
+ /* Nonzero extent. */
+ if (upper)
+ mpz_set (result->value.integer, u->value.integer);
+ else
+ mpz_set (result->value.integer, l->value.integer);
+ }
}
else
{
- /* Nonzero extent. */
if (upper)
- mpz_set (result->value.integer, u->value.integer);
+ {
+ if (gfc_ref_dimen_size (&ref->u.ar, d-1, &result->value.integer)
+ != SUCCESS)
+ return NULL;
+ }
else
- mpz_set (result->value.integer, l->value.integer);
+ mpz_set_si (result->value.integer, (long int) 1);
}
return range_check (result, upper ? "UBOUND" : "LBOUND");
case AR_FULL:
/* We're done because 'as' has already been set in the
previous iteration. */
- goto done;
+ if (!ref->next)
+ goto done;
+
+ /* Fall through. */
- case AR_SECTION:
case AR_UNKNOWN:
return NULL;
+
+ case AR_SECTION:
+ as = ref->u.ar.as;
+ goto done;
}
gcc_unreachable ();
/* Simplify the bounds for each dimension. */
for (d = 0; d < array->rank; d++)
{
- bounds[d] = simplify_bound_dim (array, kind, d + 1, upper, as);
+ bounds[d] = simplify_bound_dim (array, kind, d + 1, upper, as, ref);
if (bounds[d] == NULL || bounds[d] == &gfc_bad_expr)
{
int j;
k = get_kind (BT_INTEGER, kind, upper ? "UBOUND" : "LBOUND",
gfc_default_integer_kind);
if (k == -1)
- return &gfc_bad_expr;
+ {
+ gfc_free_expr (e);
+ return &gfc_bad_expr;
+ }
e->ts.kind = k;
/* The result is a rank 1 array; its size is the rank of the first
return &gfc_bad_expr;
}
- return simplify_bound_dim (array, kind, d, upper, as);
+ return simplify_bound_dim (array, kind, d, upper, as, ref);
}
}
gfc_expr *
+gfc_simplify_leadz (gfc_expr *e)
+{
+ gfc_expr *result;
+ unsigned long lz, bs;
+ int i;
+
+ if (e->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ i = gfc_validate_kind (e->ts.type, e->ts.kind, false);
+ bs = gfc_integer_kinds[i].bit_size;
+ if (mpz_cmp_si (e->value.integer, 0) == 0)
+ lz = bs;
+ else
+ lz = bs - mpz_sizeinbase (e->value.integer, 2);
+
+ result = gfc_constant_result (BT_INTEGER, gfc_default_integer_kind, &e->where);
+ mpz_set_ui (result->value.integer, lz);
+
+ return result;
+}
+
+
+gfc_expr *
gfc_simplify_len (gfc_expr *e, gfc_expr *kind)
{
gfc_expr *result;
}
gfc_expr *
-gfc_simplify_lgamma (gfc_expr *x __attribute__((unused)))
+gfc_simplify_lgamma (gfc_expr *x ATTRIBUTE_UNUSED)
{
-#if MPFR_VERSION >= MPFR_VERSION_NUM(2,3,0)
gfc_expr *result;
int sg;
result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
- gfc_set_model_kind (x->ts.kind);
-
mpfr_lgamma (result->value.real, &sg, x->value.real, GFC_RND_MODE);
return range_check (result, "LGAMMA");
-#else
- return NULL;
-#endif
}
result = gfc_constant_result (x->ts.type, x->ts.kind, &x->where);
- gfc_set_model_kind (x->ts.kind);
switch (x->ts.type)
{
return &gfc_bad_expr;
}
+ gfc_set_model_kind (x->ts.kind);
mpfr_init (xr);
mpfr_init (xi);
mpfr_sqrt (xr, xr, GFC_RND_MODE);
mpfr_log (result->value.complex.r, xr, GFC_RND_MODE);
- mpfr_clear (xr);
- mpfr_clear (xi);
+ mpfr_clears (xr, xi, NULL);
break;
if (x->expr_type != EXPR_CONSTANT)
return NULL;
- gfc_set_model_kind (x->ts.kind);
-
if (mpfr_sgn (x->value.real) <= 0)
{
gfc_error ("Argument of LOG10 at %L cannot be less than or equal "
}
+gfc_expr *
+gfc_simplify_merge (gfc_expr *tsource, gfc_expr *fsource, gfc_expr *mask)
+{
+ if (tsource->expr_type != EXPR_CONSTANT
+ || fsource->expr_type != EXPR_CONSTANT
+ || mask->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ return gfc_copy_expr (mask->value.logical ? tsource : fsource);
+}
+
+
+/* Selects bewteen current value and extremum for simplify_min_max
+ and simplify_minval_maxval. */
+static void
+min_max_choose (gfc_expr *arg, gfc_expr *extremum, int sign)
+{
+ switch (arg->ts.type)
+ {
+ case BT_INTEGER:
+ if (mpz_cmp (arg->value.integer,
+ extremum->value.integer) * sign > 0)
+ mpz_set (extremum->value.integer, arg->value.integer);
+ break;
+
+ case BT_REAL:
+ /* We need to use mpfr_min and mpfr_max to treat NaN properly. */
+ if (sign > 0)
+ mpfr_max (extremum->value.real, extremum->value.real,
+ arg->value.real, GFC_RND_MODE);
+ else
+ mpfr_min (extremum->value.real, extremum->value.real,
+ arg->value.real, GFC_RND_MODE);
+ break;
+
+ case BT_CHARACTER:
+#define LENGTH(x) ((x)->value.character.length)
+#define STRING(x) ((x)->value.character.string)
+ if (LENGTH(extremum) < LENGTH(arg))
+ {
+ gfc_char_t *tmp = STRING(extremum);
+
+ STRING(extremum) = gfc_get_wide_string (LENGTH(arg) + 1);
+ memcpy (STRING(extremum), tmp,
+ LENGTH(extremum) * sizeof (gfc_char_t));
+ gfc_wide_memset (&STRING(extremum)[LENGTH(extremum)], ' ',
+ LENGTH(arg) - LENGTH(extremum));
+ STRING(extremum)[LENGTH(arg)] = '\0'; /* For debugger */
+ LENGTH(extremum) = LENGTH(arg);
+ gfc_free (tmp);
+ }
+
+ if (gfc_compare_string (arg, extremum) * sign > 0)
+ {
+ gfc_free (STRING(extremum));
+ STRING(extremum) = gfc_get_wide_string (LENGTH(extremum) + 1);
+ memcpy (STRING(extremum), STRING(arg),
+ LENGTH(arg) * sizeof (gfc_char_t));
+ gfc_wide_memset (&STRING(extremum)[LENGTH(arg)], ' ',
+ LENGTH(extremum) - LENGTH(arg));
+ STRING(extremum)[LENGTH(extremum)] = '\0'; /* For debugger */
+ }
+#undef LENGTH
+#undef STRING
+ break;
+
+ default:
+ gfc_internal_error ("simplify_min_max(): Bad type in arglist");
+ }
+}
+
+
/* This function is special since MAX() can take any number of
arguments. The simplified expression is a rewritten version of the
argument list containing at most one constant element. Other
continue;
}
- switch (arg->expr->ts.type)
- {
- case BT_INTEGER:
- if (mpz_cmp (arg->expr->value.integer,
- extremum->expr->value.integer) * sign > 0)
- mpz_set (extremum->expr->value.integer, arg->expr->value.integer);
- break;
-
- case BT_REAL:
- /* We need to use mpfr_min and mpfr_max to treat NaN properly. */
- if (sign > 0)
- mpfr_max (extremum->expr->value.real, extremum->expr->value.real,
- arg->expr->value.real, GFC_RND_MODE);
- else
- mpfr_min (extremum->expr->value.real, extremum->expr->value.real,
- arg->expr->value.real, GFC_RND_MODE);
- break;
-
- case BT_CHARACTER:
-#define LENGTH(x) ((x)->expr->value.character.length)
-#define STRING(x) ((x)->expr->value.character.string)
- if (LENGTH(extremum) < LENGTH(arg))
- {
- char * tmp = STRING(extremum);
-
- STRING(extremum) = gfc_getmem (LENGTH(arg) + 1);
- memcpy (STRING(extremum), tmp, LENGTH(extremum));
- memset (&STRING(extremum)[LENGTH(extremum)], ' ',
- LENGTH(arg) - LENGTH(extremum));
- STRING(extremum)[LENGTH(arg)] = '\0'; /* For debugger */
- LENGTH(extremum) = LENGTH(arg);
- gfc_free (tmp);
- }
-
- if (gfc_compare_string (arg->expr, extremum->expr) * sign > 0)
- {
- gfc_free (STRING(extremum));
- STRING(extremum) = gfc_getmem (LENGTH(extremum) + 1);
- memcpy (STRING(extremum), STRING(arg), LENGTH(arg));
- memset (&STRING(extremum)[LENGTH(arg)], ' ',
- LENGTH(extremum) - LENGTH(arg));
- STRING(extremum)[LENGTH(extremum)] = '\0'; /* For debugger */
- }
-#undef LENGTH
-#undef STRING
- break;
-
-
- default:
- gfc_internal_error ("simplify_min_max(): Bad type in arglist");
- }
+ min_max_choose (arg->expr, extremum->expr, sign);
/* Delete the extra constant argument. */
if (last == NULL)
}
+/* This is a simplified version of simplify_min_max to provide
+ simplification of minval and maxval for a vector. */
+
+static gfc_expr *
+simplify_minval_maxval (gfc_expr *expr, int sign)
+{
+ gfc_constructor *ctr, *extremum;
+ gfc_intrinsic_sym * specific;
+
+ extremum = NULL;
+ specific = expr->value.function.isym;
+
+ ctr = expr->value.constructor;
+
+ for (; ctr; ctr = ctr->next)
+ {
+ if (ctr->expr->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ if (extremum == NULL)
+ {
+ extremum = ctr;
+ continue;
+ }
+
+ min_max_choose (ctr->expr, extremum->expr, sign);
+ }
+
+ if (extremum == NULL)
+ return NULL;
+
+ /* Convert to the correct type and kind. */
+ if (expr->ts.type != BT_UNKNOWN)
+ return gfc_convert_constant (extremum->expr,
+ expr->ts.type, expr->ts.kind);
+
+ if (specific->ts.type != BT_UNKNOWN)
+ return gfc_convert_constant (extremum->expr,
+ specific->ts.type, specific->ts.kind);
+
+ return gfc_copy_expr (extremum->expr);
+}
+
+
+gfc_expr *
+gfc_simplify_minval (gfc_expr *array, gfc_expr* dim, gfc_expr *mask)
+{
+ if (array->expr_type != EXPR_ARRAY || array->rank != 1 || dim || mask)
+ return NULL;
+
+ return simplify_minval_maxval (array, -1);
+}
+
+
+gfc_expr *
+gfc_simplify_maxval (gfc_expr *array, gfc_expr* dim, gfc_expr *mask)
+{
+ if (array->expr_type != EXPR_ARRAY || array->rank != 1 || dim || mask)
+ return NULL;
+ return simplify_minval_maxval (array, 1);
+}
+
+
gfc_expr *
gfc_simplify_maxexponent (gfc_expr *x)
{
gfc_simplify_mod (gfc_expr *a, gfc_expr *p)
{
gfc_expr *result;
- mpfr_t quot, iquot, term;
+ mpfr_t tmp;
int kind;
if (a->expr_type != EXPR_CONSTANT || p->expr_type != EXPR_CONSTANT)
}
gfc_set_model_kind (kind);
- mpfr_init (quot);
- mpfr_init (iquot);
- mpfr_init (term);
-
- mpfr_div (quot, a->value.real, p->value.real, GFC_RND_MODE);
- mpfr_trunc (iquot, quot);
- mpfr_mul (term, iquot, p->value.real, GFC_RND_MODE);
- mpfr_sub (result->value.real, a->value.real, term, GFC_RND_MODE);
-
- mpfr_clear (quot);
- mpfr_clear (iquot);
- mpfr_clear (term);
+ mpfr_init (tmp);
+ mpfr_div (tmp, a->value.real, p->value.real, GFC_RND_MODE);
+ mpfr_trunc (tmp, tmp);
+ mpfr_mul (tmp, tmp, p->value.real, GFC_RND_MODE);
+ mpfr_sub (result->value.real, a->value.real, tmp, GFC_RND_MODE);
+ mpfr_clear (tmp);
break;
default:
gfc_simplify_modulo (gfc_expr *a, gfc_expr *p)
{
gfc_expr *result;
- mpfr_t quot, iquot, term;
+ mpfr_t tmp;
int kind;
if (a->expr_type != EXPR_CONSTANT || p->expr_type != EXPR_CONSTANT)
}
gfc_set_model_kind (kind);
- mpfr_init (quot);
- mpfr_init (iquot);
- mpfr_init (term);
-
- mpfr_div (quot, a->value.real, p->value.real, GFC_RND_MODE);
- mpfr_floor (iquot, quot);
- mpfr_mul (term, iquot, p->value.real, GFC_RND_MODE);
- mpfr_sub (result->value.real, a->value.real, term, GFC_RND_MODE);
-
- mpfr_clear (quot);
- mpfr_clear (iquot);
- mpfr_clear (term);
+ mpfr_init (tmp);
+ mpfr_div (tmp, a->value.real, p->value.real, GFC_RND_MODE);
+ mpfr_floor (tmp, tmp);
+ mpfr_mul (tmp, tmp, p->value.real, GFC_RND_MODE);
+ mpfr_sub (result->value.real, a->value.real, tmp, GFC_RND_MODE);
+ mpfr_clear (tmp);
break;
default:
return &gfc_bad_expr;
}
- gfc_set_model_kind (x->ts.kind);
result = gfc_copy_expr (x);
/* Save current values of emin and emax. */
mpfr_set_emin ((mp_exp_t) gfc_real_kinds[kind].min_exponent -
mpfr_get_prec(result->value.real) + 1);
mpfr_set_emax ((mp_exp_t) gfc_real_kinds[kind].max_exponent - 1);
+ mpfr_check_range (result->value.real, 0, GMP_RNDU);
if (mpfr_sgn (s->value.real) > 0)
{
if (mpfr_nan_p (result->value.real) && gfc_option.flag_range_check)
{
gfc_error ("Result of NEAREST is NaN at %L", &result->where);
+ gfc_free_expr (result);
return &gfc_bad_expr;
}
mpfr_round (itrunc->value.real, e->value.real);
- gfc_mpfr_to_mpz (result->value.integer, itrunc->value.real);
+ gfc_mpfr_to_mpz (result->value.integer, itrunc->value.real, &e->where);
gfc_free_expr (itrunc);
gfc_expr *result;
result = gfc_constant_result (BT_CHARACTER, e->ts.kind, &e->where);
- result->value.character.string = gfc_getmem (2);
+ result->value.character.string = gfc_get_wide_string (2);
result->value.character.length = 1;
result->value.character.string[0] = '\n';
result->value.character.string[1] = '\0'; /* For debugger */
{
result = gfc_constant_result (BT_INTEGER, kind, &x->where);
mpz_ior (result->value.integer, x->value.integer, y->value.integer);
+ return range_check (result, "OR");
}
else /* BT_LOGICAL */
{
result = gfc_constant_result (BT_LOGICAL, kind, &x->where);
result->value.logical = x->value.logical || y->value.logical;
+ return result;
}
-
- return range_check (result, "OR");
}
gfc_expr *
gfc_simplify_real (gfc_expr *e, gfc_expr *k)
{
- gfc_expr *result;
+ gfc_expr *result = NULL;
int kind;
if (e->ts.type == BT_COMPLEX)
ts.kind = kind;
result = gfc_copy_expr (e);
if (!gfc_convert_boz (result, &ts))
- return &gfc_bad_expr;
+ {
+ gfc_free_expr (result);
+ return &gfc_bad_expr;
+ }
}
+
return range_check (result, "REAL");
}
if (ncop == 0)
{
- result->value.character.string = gfc_getmem (1);
+ result->value.character.string = gfc_get_wide_string (1);
result->value.character.length = 0;
result->value.character.string[0] = '\0';
return result;
}
result->value.character.length = nlen;
- result->value.character.string = gfc_getmem (nlen + 1);
+ result->value.character.string = gfc_get_wide_string (nlen + 1);
for (i = 0; i < ncop; i++)
for (j = 0; j < len; j++)
- result->value.character.string[j + i * len]
- = e->value.character.string[j];
+ result->value.character.string[j+i*len]= e->value.character.string[j];
result->value.character.string[nlen] = '\0'; /* For debugger */
return result;
if (e->expr_type != EXPR_ARRAY || !gfc_is_constant_expr (e))
return false;
- if (e->value.constructor == NULL)
- return false;
-
for (c = e->value.constructor; c; c = c->next)
if (c->expr->expr_type != EXPR_CONSTANT)
return false;
goto bad_reshape;
}
- gfc_free_expr (e);
-
if (rank >= GFC_MAX_DIMENSIONS)
{
gfc_error ("Too many dimensions in shape specification for RESHAPE "
"at %L", &e->where);
-
+ gfc_free_expr (e);
goto bad_reshape;
}
{
gfc_error ("Shape specification at %L cannot be negative",
&e->where);
+ gfc_free_expr (e);
goto bad_reshape;
}
+ gfc_free_expr (e);
rank++;
}
goto bad_reshape;
}
- gfc_free_expr (e);
-
if (order[i] < 1 || order[i] > rank)
{
gfc_error ("ORDER parameter of RESHAPE at %L is out of range",
&e->where);
+ gfc_free_expr (e);
goto bad_reshape;
}
{
gfc_error ("Invalid permutation in ORDER parameter at %L",
&e->where);
+ gfc_free_expr (e);
goto bad_reshape;
}
+ gfc_free_expr (e);
+
x[order[i]] = 1;
}
}
}
if (mpz_cmp_ui (index, INT_MAX) > 0)
- gfc_internal_error ("Reshaped array too large at %L", &e->where);
+ gfc_internal_error ("Reshaped array too large at %C");
j = mpz_get_ui (index);
|| mpz_cmp_si (i->value.integer, -exp_range - 2) < 0)
{
gfc_error ("Result of SCALE overflows its kind at %L", &result->where);
+ gfc_free_expr (result);
return &gfc_bad_expr;
}
else
mpfr_mul (result->value.real, x->value.real, scale, GFC_RND_MODE);
- mpfr_clear (scale);
- mpfr_clear (radix);
+ mpfr_clears (scale, radix, NULL);
return range_check (result, "SCALE");
}
+/* Variants of strspn and strcspn that operate on wide characters. */
+
+static size_t
+wide_strspn (const gfc_char_t *s1, const gfc_char_t *s2)
+{
+ size_t i = 0;
+ const gfc_char_t *c;
+
+ while (s1[i])
+ {
+ for (c = s2; *c; c++)
+ {
+ if (s1[i] == *c)
+ break;
+ }
+ if (*c == '\0')
+ break;
+ i++;
+ }
+
+ return i;
+}
+
+static size_t
+wide_strcspn (const gfc_char_t *s1, const gfc_char_t *s2)
+{
+ size_t i = 0;
+ const gfc_char_t *c;
+
+ while (s1[i])
+ {
+ for (c = s2; *c; c++)
+ {
+ if (s1[i] == *c)
+ break;
+ }
+ if (*c)
+ break;
+ i++;
+ }
+
+ return i;
+}
+
+
gfc_expr *
gfc_simplify_scan (gfc_expr *e, gfc_expr *c, gfc_expr *b, gfc_expr *kind)
{
{
if (back == 0)
{
- indx = strcspn (e->value.character.string, c->value.character.string)
- + 1;
+ indx = wide_strcspn (e->value.character.string,
+ c->value.character.string) + 1;
if (indx > len)
indx = 0;
}
gfc_expr *
+gfc_simplify_selected_char_kind (gfc_expr *e)
+{
+ int kind;
+ gfc_expr *result;
+
+ if (e->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ if (gfc_compare_with_Cstring (e, "ascii", false) == 0
+ || gfc_compare_with_Cstring (e, "default", false) == 0)
+ kind = 1;
+ else if (gfc_compare_with_Cstring (e, "iso_10646", false) == 0)
+ kind = 4;
+ else
+ kind = -1;
+
+ result = gfc_int_expr (kind);
+ result->where = e->where;
+
+ return result;
+}
+
+
+gfc_expr *
gfc_simplify_selected_int_kind (gfc_expr *e)
{
int i, kind, range;
result = gfc_constant_result (BT_REAL, x->ts.kind, &x->where);
- gfc_set_model_kind (x->ts.kind);
-
if (mpfr_sgn (x->value.real) == 0)
{
mpfr_set_ui (result->value.real, 0, GFC_RND_MODE);
return result;
}
+ gfc_set_model_kind (x->ts.kind);
mpfr_init (absv);
mpfr_init (log2);
mpfr_init (exp);
exp2 = (unsigned long) mpz_get_d (i->value.integer);
mpfr_mul_2exp (result->value.real, frac, exp2, GFC_RND_MODE);
- mpfr_clear (absv);
- mpfr_clear (log2);
- mpfr_clear (pow2);
- mpfr_clear (frac);
+ mpfr_clears (absv, log2, pow2, frac, NULL);
return range_check (result, "SET_EXPONENT");
}
gfc_expr *result, *e, *f;
gfc_array_ref *ar;
int n;
- try t;
+ gfc_try t;
if (source->rank == 0)
return gfc_start_constructor (BT_INTEGER, gfc_default_integer_kind,
mpfr_sinh (xq, x->value.complex.i, GFC_RND_MODE);
mpfr_mul (result->value.complex.i, xp, xq, GFC_RND_MODE);
- mpfr_clear (xp);
- mpfr_clear (xq);
+ mpfr_clears (xp, xq, NULL);
break;
default:
gfc_internal_error ("invalid complex argument of SQRT at %L",
&e->where);
- mpfr_clear (s);
- mpfr_clear (t);
- mpfr_clear (ac);
- mpfr_clear (ad);
- mpfr_clear (w);
+ mpfr_clears (s, t, ac, ad, w, NULL);
break;
gfc_expr *
+gfc_simplify_trailz (gfc_expr *e)
+{
+ gfc_expr *result;
+ unsigned long tz, bs;
+ int i;
+
+ if (e->expr_type != EXPR_CONSTANT)
+ return NULL;
+
+ i = gfc_validate_kind (e->ts.type, e->ts.kind, false);
+ bs = gfc_integer_kinds[i].bit_size;
+ tz = mpz_scan1 (e->value.integer, 0);
+
+ result = gfc_constant_result (BT_INTEGER, gfc_default_integer_kind, &e->where);
+ mpz_set_ui (result->value.integer, MIN (tz, bs));
+
+ return result;
+}
+
+
+gfc_expr *
gfc_simplify_transfer (gfc_expr *source, gfc_expr *mold, gfc_expr *size)
{
gfc_expr *result;
/* Allocate the buffer to store the binary version of the source. */
buffer_size = MAX (source_size, result_size);
buffer = (unsigned char*)alloca (buffer_size);
+ memset (buffer, 0, buffer_size);
/* Now write source to the buffer. */
gfc_target_encode_expr (source, buffer, buffer_size);
lentrim = len - count;
result->value.character.length = lentrim;
- result->value.character.string = gfc_getmem (lentrim + 1);
+ result->value.character.string = gfc_get_wide_string (lentrim + 1);
for (i = 0; i < lentrim; i++)
result->value.character.string[i] = e->value.character.string[i];
return result;
}
- index = strspn (s->value.character.string, set->value.character.string)
- + 1;
+ index = wide_strspn (s->value.character.string,
+ set->value.character.string) + 1;
if (index > len)
index = 0;
{
result = gfc_constant_result (BT_INTEGER, kind, &x->where);
mpz_xor (result->value.integer, x->value.integer, y->value.integer);
+ return range_check (result, "XOR");
}
else /* BT_LOGICAL */
{
result = gfc_constant_result (BT_LOGICAL, kind, &x->where);
result->value.logical = (x->value.logical && !y->value.logical)
|| (!x->value.logical && y->value.logical);
+ return result;
}
- return range_check (result, "XOR");
}
return result;
}
+
+
+/* Function for converting character constants. */
+gfc_expr *
+gfc_convert_char_constant (gfc_expr *e, bt type ATTRIBUTE_UNUSED, int kind)
+{
+ gfc_expr *result;
+ int i;
+
+ if (!gfc_is_constant_expr (e))
+ return NULL;
+
+ if (e->expr_type == EXPR_CONSTANT)
+ {
+ /* Simple case of a scalar. */
+ result = gfc_constant_result (BT_CHARACTER, kind, &e->where);
+ if (result == NULL)
+ return &gfc_bad_expr;
+
+ result->value.character.length = e->value.character.length;
+ result->value.character.string
+ = gfc_get_wide_string (e->value.character.length + 1);
+ memcpy (result->value.character.string, e->value.character.string,
+ (e->value.character.length + 1) * sizeof (gfc_char_t));
+
+ /* Check we only have values representable in the destination kind. */
+ for (i = 0; i < result->value.character.length; i++)
+ if (!gfc_check_character_range (result->value.character.string[i],
+ kind))
+ {
+ gfc_error ("Character '%s' in string at %L cannot be converted "
+ "into character kind %d",
+ gfc_print_wide_char (result->value.character.string[i]),
+ &e->where, kind);
+ return &gfc_bad_expr;
+ }
+
+ return result;
+ }
+ else if (e->expr_type == EXPR_ARRAY)
+ {
+ /* For an array constructor, we convert each constructor element. */
+ gfc_constructor *head = NULL, *tail = NULL, *c;
+
+ for (c = e->value.constructor; c; c = c->next)
+ {
+ if (head == NULL)
+ head = tail = gfc_get_constructor ();
+ else
+ {
+ tail->next = gfc_get_constructor ();
+ tail = tail->next;
+ }
+
+ tail->where = c->where;
+ tail->expr = gfc_convert_char_constant (c->expr, type, kind);
+ if (tail->expr == &gfc_bad_expr)
+ {
+ tail->expr = NULL;
+ return &gfc_bad_expr;
+ }
+
+ if (tail->expr == NULL)
+ {
+ gfc_free_constructor (head);
+ return NULL;
+ }
+ }
+
+ result = gfc_get_expr ();
+ result->ts.type = type;
+ result->ts.kind = kind;
+ result->expr_type = EXPR_ARRAY;
+ result->value.constructor = head;
+ result->shape = gfc_copy_shape (e->shape, e->rank);
+ result->where = e->where;
+ result->rank = e->rank;
+ result->ts.cl = e->ts.cl;
+
+ return result;
+ }
+ else
+ return NULL;
+}
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