/* 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 . */ /* 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_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;