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/* Header file to the Fortran front-end and runtime library
Copyright (C) 2007, 2008, 2009 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_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. */
/* Bitmasks for the various FPE that can be enabled. */
#define GFC_FPE_INVALID (1<<0)
#define GFC_FPE_DENORMAL (1<<1)
#define GFC_FPE_ZERO (1<<2)
#define GFC_FPE_OVERFLOW (1<<3)
#define GFC_FPE_UNDERFLOW (1<<4)
#define GFC_FPE_PRECISION (1<<5)
/* 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_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \
| GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \
| GFC_RTCHECK_POINTER)
/* Possible values for the CONVERT I/O specifier. */
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_LAST /* Not a real error, the last error # + 1. */
}
libgfortran_error_codes;
/* 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
/* FIXME: Increase to 15 for Fortran 2008. Also needs changes to
GFC_DTYPE_RANK_MASK. See PR 36825. */
#define GFC_MAX_DIMENSIONS 7
#define GFC_DTYPE_RANK_MASK 0x07
#define GFC_DTYPE_TYPE_SHIFT 3
#define GFC_DTYPE_TYPE_MASK 0x38
#define GFC_DTYPE_SIZE_SHIFT 6
enum
{
GFC_DTYPE_UNKNOWN = 0,
GFC_DTYPE_INTEGER,
/* TODO: recognize logical types. */
GFC_DTYPE_LOGICAL,
GFC_DTYPE_REAL,
GFC_DTYPE_COMPLEX,
GFC_DTYPE_DERIVED,
GFC_DTYPE_CHARACTER
};
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