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d74b97cc | 1 | /* Header file to the Fortran front-end and runtime library |
835aac92 | 2 | Copyright (C) 2007, 2008 Free Software Foundation, Inc. |
d74b97cc FXC |
3 | |
4 | This file is part of GCC. | |
5 | ||
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 | |
9 | version. | |
10 | ||
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 | |
14 | for more details. | |
15 | ||
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/>. */ | |
19 | ||
20 | ||
21 | /* Flags to specify which standard/extension contains a feature. | |
22 | Note that no features were obsoleted nor deleted in F2003. */ | |
f489fba1 | 23 | #define GFC_STD_F2008 (1<<7) /* New in F2008. */ |
d74b97cc FXC |
24 | #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */ |
25 | #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */ | |
26 | #define GFC_STD_F2003 (1<<4) /* New in F2003. */ | |
27 | #define GFC_STD_F95 (1<<3) /* New in F95. */ | |
28 | #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */ | |
29 | #define GFC_STD_F95_OBS (1<<1) /* Obsolescent in F95. */ | |
30 | #define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or | |
31 | obsolescent in later standards. */ | |
32 | ||
33 | ||
34 | /* Bitmasks for the various FPE that can be enabled. */ | |
35 | #define GFC_FPE_INVALID (1<<0) | |
36 | #define GFC_FPE_DENORMAL (1<<1) | |
37 | #define GFC_FPE_ZERO (1<<2) | |
38 | #define GFC_FPE_OVERFLOW (1<<3) | |
39 | #define GFC_FPE_UNDERFLOW (1<<4) | |
40 | #define GFC_FPE_PRECISION (1<<5) | |
41 | ||
42 | ||
43 | /* Possible values for the CONVERT I/O specifier. */ | |
44 | typedef enum | |
45 | { | |
46 | GFC_CONVERT_NONE = -1, | |
47 | GFC_CONVERT_NATIVE = 0, | |
48 | GFC_CONVERT_SWAP, | |
49 | GFC_CONVERT_BIG, | |
50 | GFC_CONVERT_LITTLE | |
51 | } | |
52 | unit_convert; | |
53 | ||
54 | ||
55 | /* Runtime errors. */ | |
56 | typedef enum | |
57 | { | |
58 | LIBERROR_FIRST = -3, /* Marker for the first error. */ | |
59 | LIBERROR_EOR = -2, /* End of record, must be negative. */ | |
60 | LIBERROR_END = -1, /* End of file, must be negative. */ | |
61 | LIBERROR_OK = 0, /* Indicates success, must be zero. */ | |
62 | LIBERROR_OS = 5000, /* OS error, more info in errno. */ | |
63 | LIBERROR_OPTION_CONFLICT, | |
64 | LIBERROR_BAD_OPTION, | |
65 | LIBERROR_MISSING_OPTION, | |
66 | LIBERROR_ALREADY_OPEN, | |
67 | LIBERROR_BAD_UNIT, | |
68 | LIBERROR_FORMAT, | |
69 | LIBERROR_BAD_ACTION, | |
70 | LIBERROR_ENDFILE, | |
71 | LIBERROR_BAD_US, | |
72 | LIBERROR_READ_VALUE, | |
73 | LIBERROR_READ_OVERFLOW, | |
74 | LIBERROR_INTERNAL, | |
75 | LIBERROR_INTERNAL_UNIT, | |
76 | LIBERROR_ALLOCATION, | |
77 | LIBERROR_DIRECT_EOR, | |
78 | LIBERROR_SHORT_RECORD, | |
79 | LIBERROR_CORRUPT_FILE, | |
80 | LIBERROR_LAST /* Not a real error, the last error # + 1. */ | |
81 | } | |
82 | libgfortran_error_codes; | |
83 | ||
84 | ||
85 | /* Default unit number for preconnected standard input and output. */ | |
86 | #define GFC_STDIN_UNIT_NUMBER 5 | |
87 | #define GFC_STDOUT_UNIT_NUMBER 6 | |
88 | #define GFC_STDERR_UNIT_NUMBER 0 | |
89 | ||
90 | ||
6c397102 TB |
91 | /* FIXME: Increase to 15 for Fortran 2008. Also needs changes to |
92 | GFC_DTYPE_RANK_MASK. See PR 36825. */ | |
93 | #define GFC_MAX_DIMENSIONS 7 | |
d74b97cc FXC |
94 | |
95 | #define GFC_DTYPE_RANK_MASK 0x07 | |
96 | #define GFC_DTYPE_TYPE_SHIFT 3 | |
97 | #define GFC_DTYPE_TYPE_MASK 0x38 | |
98 | #define GFC_DTYPE_SIZE_SHIFT 6 | |
99 | ||
100 | enum | |
101 | { | |
102 | GFC_DTYPE_UNKNOWN = 0, | |
103 | GFC_DTYPE_INTEGER, | |
104 | /* TODO: recognize logical types. */ | |
105 | GFC_DTYPE_LOGICAL, | |
106 | GFC_DTYPE_REAL, | |
107 | GFC_DTYPE_COMPLEX, | |
108 | GFC_DTYPE_DERIVED, | |
109 | GFC_DTYPE_CHARACTER | |
110 | }; | |
111 |