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/* { dg-do compile } */
/* { dg-additional-options "-g" } */
typedef long unsigned int size_t;
typedef signed int __int32_t;
typedef __int32_t int32_t;
typedef long int ptrdiff_t;
typedef enum {
BT_UNKNOWN = 0, BT_INTEGER, BT_LOGICAL, BT_REAL, BT_COMPLEX, BT_DERIVED, BT_CHARACTER, BT_CLASS, BT_PROCEDURE, BT_HOLLERITH, BT_VOID, BT_ASSUMED, BT_UNION, BT_BOZ } bt;
typedef int32_t GFC_INTEGER_4;
typedef ptrdiff_t index_type;
typedef size_t gfc_charlen_type;
typedef struct descriptor_dimension {
index_type _stride;
index_type lower_bound;
} descriptor_dimension;
typedef struct {
descriptor_dimension dim[15];
} gfc_full_array_i4;
typedef void (*formatted_dtio)(void *, GFC_INTEGER_4 *, char *, gfc_full_array_i4 *, GFC_INTEGER_4 *, char *, gfc_charlen_type, gfc_charlen_type);
typedef enum { DECIMAL_POINT, DECIMAL_COMMA, DECIMAL_UNSPECIFIED } unit_decimal;
typedef struct st_parameter_dt {
union {
struct {
struct gfc_unit *current_unit;
unsigned namelist_mode : 1;
unsigned unit_is_internal : 1;
formatted_dtio fdtio_ptr;
} p;
} u;
} st_parameter_dt;
typedef struct gfc_unit {
int unit_number;
unit_decimal decimal_status;
int (*next_char_fn_ptr) (st_parameter_dt *);
void (*push_char_fn_ptr) (st_parameter_dt *, int);
} gfc_unit;
void read_real (st_parameter_dt *dtp)
{
int c;
int seen_dp;
seen_dp = 0;
for (;;)
{
c = ((dtp)->u.p.current_unit->next_char_fn_ptr (dtp));
if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
c = '.';
switch (c) {
case '.':
if (seen_dp) goto bad_real;
seen_dp = 1;
((dtp)->u.p.current_unit->push_char_fn_ptr (dtp, c));
goto real_loop;
case 'E':
case 'e':
case 'D':
case 'd':
case 'Q':
case 'q':
goto exp1;
case '+':
case '-':
((dtp)->u.p.current_unit->push_char_fn_ptr (dtp, 'e'));
goto got_repeat;
}
}
got_repeat:
real_loop:
for (;;)
{
c = ((dtp)->u.p.current_unit->next_char_fn_ptr (dtp));
switch (c) {
case '.':
if (seen_dp) goto bad_real;
seen_dp = 1;
((dtp)->u.p.current_unit->push_char_fn_ptr (dtp, c));
}
}
exp1:
bad_real:
return;
}
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