| /* Header file to the Fortran front-end and runtime library |
| Copyright (C) 2007, 2008 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. */ |
| #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) |
| |
| |
| /* 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 |
| }; |
| |