/* Header file to the Fortran front-end and runtime library
Copyright (C) 2007-2020 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Flags to specify which standard/extension contains a feature.
Note that no features were obsoleted nor deleted in F2003.
Please remember to keep those definitions in sync with
gfortran.texi. */
#define GFC_STD_F2018_DEL (1<<11) /* Deleted in F2018. */
#define GFC_STD_F2018_OBS (1<<10) /* Obsolescent in F2018. */
#define GFC_STD_F2018 (1<<9) /* New in F2018. */
#define GFC_STD_F2008_OBS (1<<8) /* Obsolescent in F2008. */
#define GFC_STD_F2008 (1<<7) /* New in F2008. */
#define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
#define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
#define GFC_STD_F2003 (1<<4) /* New in F2003. */
#define GFC_STD_F95 (1<<3) /* New in F95. */
#define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
#define GFC_STD_F95_OBS (1<<1) /* Obsolescent in F95. */
#define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or
obsolescent in later standards. */
/* Combinations of the above flags that specify which classes of features
* are allowed with a certain -std option. */
#define GFC_STD_OPT_F95 (GFC_STD_F77 | GFC_STD_F95 | GFC_STD_F95_OBS \
| GFC_STD_F2008_OBS | GFC_STD_F2018_OBS \
| GFC_STD_F2018_DEL)
#define GFC_STD_OPT_F03 (GFC_STD_OPT_F95 | GFC_STD_F2003)
#define GFC_STD_OPT_F08 (GFC_STD_OPT_F03 | GFC_STD_F2008)
#define GFC_STD_OPT_F18 ((GFC_STD_OPT_F08 | GFC_STD_F2018) \
& (~GFC_STD_F2018_DEL))
/* Bitmasks for the various FPE that can be enabled. These need to be straight integers
e.g., 8 instead of (1<<3), because they will be included in Fortran source. */
#define GFC_FPE_INVALID 1
#define GFC_FPE_DENORMAL 2
#define GFC_FPE_ZERO 4
#define GFC_FPE_OVERFLOW 8
#define GFC_FPE_UNDERFLOW 16
#define GFC_FPE_INEXACT 32
/* Defines for floating-point rounding modes. */
#define GFC_FPE_DOWNWARD 1
#define GFC_FPE_TONEAREST 2
#define GFC_FPE_TOWARDZERO 3
#define GFC_FPE_UPWARD 4
/* Size of the buffer required to store FPU state for any target.
In particular, this has to be larger than fenv_t on all glibc targets.
Currently, the winner is x86_64 with 32 bytes. */
#define GFC_FPE_STATE_BUFFER_SIZE 32
/* Bitmasks for the various runtime checks that can be enabled. */
#define GFC_RTCHECK_BOUNDS (1<<0)
#define GFC_RTCHECK_ARRAY_TEMPS (1<<1)
#define GFC_RTCHECK_RECURSION (1<<2)
#define GFC_RTCHECK_DO (1<<3)
#define GFC_RTCHECK_POINTER (1<<4)
#define GFC_RTCHECK_MEM (1<<5)
#define GFC_RTCHECK_BITS (1<<6)
#define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \
| GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \
| GFC_RTCHECK_POINTER | GFC_RTCHECK_MEM \
| GFC_RTCHECK_BITS)
/* Special unit numbers used to convey certain conditions. Numbers -4
thru -9 available. NEWUNIT values start at -10. */
#define GFC_INTERNAL_UNIT -1 /* KIND=1 Internal Unit. */
#define GFC_INTERNAL_UNIT4 -2 /* KIND=4 Internal Unit. */
#define GFC_INVALID_UNIT -3
/* Possible values for the CONVERT I/O specifier. */
/* Keep in sync with GFC_FLAG_CONVERT_* in gcc/flags.h. */
typedef enum
{
GFC_CONVERT_NONE = -1,
GFC_CONVERT_NATIVE = 0,
GFC_CONVERT_SWAP,
GFC_CONVERT_BIG,
GFC_CONVERT_LITTLE
}
unit_convert;
/* Runtime errors. */
typedef enum
{
LIBERROR_FIRST = -3, /* Marker for the first error. */
LIBERROR_EOR = -2, /* End of record, must be negative. */
LIBERROR_END = -1, /* End of file, must be negative. */
LIBERROR_OK = 0, /* Indicates success, must be zero. */
LIBERROR_OS = 5000, /* OS error, more info in errno. */
LIBERROR_OPTION_CONFLICT,
LIBERROR_BAD_OPTION,
LIBERROR_MISSING_OPTION,
LIBERROR_ALREADY_OPEN,
LIBERROR_BAD_UNIT,
LIBERROR_FORMAT,
LIBERROR_BAD_ACTION,
LIBERROR_ENDFILE,
LIBERROR_BAD_US,
LIBERROR_READ_VALUE,
LIBERROR_READ_OVERFLOW,
LIBERROR_INTERNAL,
LIBERROR_INTERNAL_UNIT,
LIBERROR_ALLOCATION,
LIBERROR_DIRECT_EOR,
LIBERROR_SHORT_RECORD,
LIBERROR_CORRUPT_FILE,
LIBERROR_INQUIRE_INTERNAL_UNIT, /* Must be different from STAT_STOPPED_IMAGE. */
LIBERROR_BAD_WAIT_ID,
LIBERROR_LAST /* Not a real error, the last error # + 1. */
}
libgfortran_error_codes;
/* Must kept in sync with libgfortran/caf/libcaf.h. */
typedef enum
{
GFC_STAT_UNLOCKED = 0,
GFC_STAT_LOCKED,
GFC_STAT_LOCKED_OTHER_IMAGE,
GFC_STAT_STOPPED_IMAGE = 6000, /* See LIBERROR_INQUIRE_INTERNAL_UNIT above. */
GFC_STAT_FAILED_IMAGE = 6001
}
libgfortran_stat_codes;
typedef enum
{
GFC_CAF_ATOMIC_ADD = 1,
GFC_CAF_ATOMIC_AND,
GFC_CAF_ATOMIC_OR,
GFC_CAF_ATOMIC_XOR
} libcaf_atomic_codes;
/* For CO_REDUCE. */
#define GFC_CAF_BYREF (1<<0)
#define GFC_CAF_HIDDENLEN (1<<1)
#define GFC_CAF_ARG_VALUE (1<<2)
#define GFC_CAF_ARG_DESC (1<<3)
/* Default unit number for preconnected standard input and output. */
#define GFC_STDIN_UNIT_NUMBER 5
#define GFC_STDOUT_UNIT_NUMBER 6
#define GFC_STDERR_UNIT_NUMBER 0
/* F2003 onward. For std < F2003, error caught in array.c(gfc_match_array_ref). */
#define GFC_MAX_DIMENSIONS 15
#define GFC_DTYPE_RANK_MASK 0x0F
#define GFC_DTYPE_TYPE_SHIFT 4
#define GFC_DTYPE_TYPE_MASK 0x70
#define GFC_DTYPE_SIZE_SHIFT 7
/* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
can take any arg with the pointer attribute as a param. These are also
used in the run-time library for IO. */
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;