| /* Header file to the Fortran front-end and runtime library |
| Copyright (C) 2007-2022 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/flag-types.h. */ |
| typedef enum |
| { |
| GFC_CONVERT_NONE = -1, |
| GFC_CONVERT_NATIVE = 0, |
| GFC_CONVERT_SWAP, |
| GFC_CONVERT_BIG, |
| GFC_CONVERT_LITTLE, |
| GFC_CONVERT_R16_IEEE = 4, |
| GFC_CONVERT_R16_IEEE_SWAP, |
| GFC_CONVERT_R16_IEEE_BIG, |
| GFC_CONVERT_R16_IEEE_LITTLE, |
| GFC_CONVERT_R16_IBM = 8, |
| GFC_CONVERT_R16_IBM_SWAP, |
| GFC_CONVERT_R16_IBM_BIG, |
| GFC_CONVERT_R16_IBM_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.cc(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; |