1 /* Header file to the Fortran front-end and runtime library
2 Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
21 /* Flags to specify which standard/extension contains a feature.
22 Note that no features were obsoleted nor deleted in F2003.
23 Please remember to keep those definitions in sync with
25 #define GFC_STD_F2008 (1<<7) /* New in F2008. */
26 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
27 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
28 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
29 #define GFC_STD_F95 (1<<3) /* New in F95. */
30 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
31 #define GFC_STD_F95_OBS (1<<1) /* Obsolescent in F95. */
32 #define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or
33 obsolescent in later standards. */
36 /* Bitmasks for the various FPE that can be enabled. */
37 #define GFC_FPE_INVALID (1<<0)
38 #define GFC_FPE_DENORMAL (1<<1)
39 #define GFC_FPE_ZERO (1<<2)
40 #define GFC_FPE_OVERFLOW (1<<3)
41 #define GFC_FPE_UNDERFLOW (1<<4)
42 #define GFC_FPE_PRECISION (1<<5)
45 /* Bitmasks for the various runtime checks that can be enabled. */
46 #define GFC_RTCHECK_BOUNDS (1<<0)
47 #define GFC_RTCHECK_ARRAY_TEMPS (1<<1)
48 #define GFC_RTCHECK_RECURSION (1<<2)
49 #define GFC_RTCHECK_DO (1<<3)
50 #define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \
51 | GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO)
54 /* Possible values for the CONVERT I/O specifier. */
57 GFC_CONVERT_NONE = -1,
58 GFC_CONVERT_NATIVE = 0,
69 LIBERROR_FIRST = -3, /* Marker for the first error. */
70 LIBERROR_EOR = -2, /* End of record, must be negative. */
71 LIBERROR_END = -1, /* End of file, must be negative. */
72 LIBERROR_OK = 0, /* Indicates success, must be zero. */
73 LIBERROR_OS = 5000, /* OS error, more info in errno. */
74 LIBERROR_OPTION_CONFLICT,
76 LIBERROR_MISSING_OPTION,
77 LIBERROR_ALREADY_OPEN,
84 LIBERROR_READ_OVERFLOW,
86 LIBERROR_INTERNAL_UNIT,
89 LIBERROR_SHORT_RECORD,
90 LIBERROR_CORRUPT_FILE,
91 LIBERROR_LAST /* Not a real error, the last error # + 1. */
93 libgfortran_error_codes;
96 /* Default unit number for preconnected standard input and output. */
97 #define GFC_STDIN_UNIT_NUMBER 5
98 #define GFC_STDOUT_UNIT_NUMBER 6
99 #define GFC_STDERR_UNIT_NUMBER 0
102 /* FIXME: Increase to 15 for Fortran 2008. Also needs changes to
103 GFC_DTYPE_RANK_MASK. See PR 36825. */
104 #define GFC_MAX_DIMENSIONS 7
106 #define GFC_DTYPE_RANK_MASK 0x07
107 #define GFC_DTYPE_TYPE_SHIFT 3
108 #define GFC_DTYPE_TYPE_MASK 0x38
109 #define GFC_DTYPE_SIZE_SHIFT 6
113 GFC_DTYPE_UNKNOWN = 0,
115 /* TODO: recognize logical types. */