]>
Commit | Line | Data |
---|---|---|
d74b97cc | 1 | /* Header file to the Fortran front-end and runtime library |
a5544970 | 2 | Copyright (C) 2007-2019 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. | |
9e0667cd TB |
22 | Note that no features were obsoleted nor deleted in F2003. |
23 | Please remember to keep those definitions in sync with | |
24 | gfortran.texi. */ | |
286f737c JW |
25 | #define GFC_STD_F2018_DEL (1<<11) /* Deleted in F2018. */ |
26 | #define GFC_STD_F2018_OBS (1<<10) /* Obsolescent in F2018. */ | |
27 | #define GFC_STD_F2018 (1<<9) /* New in F2018. */ | |
58fc89f6 TB |
28 | #define GFC_STD_F2008_OBS (1<<8) /* Obsolescent in F2008. */ |
29 | #define GFC_STD_F2008 (1<<7) /* New in F2008. */ | |
30 | #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */ | |
31 | #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */ | |
32 | #define GFC_STD_F2003 (1<<4) /* New in F2003. */ | |
33 | #define GFC_STD_F95 (1<<3) /* New in F95. */ | |
34 | #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */ | |
35 | #define GFC_STD_F95_OBS (1<<1) /* Obsolescent in F95. */ | |
36 | #define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or | |
37 | obsolescent in later standards. */ | |
d74b97cc | 38 | |
67e9518e JW |
39 | /* Combinations of the above flags that specify which classes of features |
40 | * are allowed with a certain -std option. */ | |
41 | #define GFC_STD_OPT_F95 (GFC_STD_F77 | GFC_STD_F95 | GFC_STD_F95_OBS \ | |
42 | | GFC_STD_F2008_OBS | GFC_STD_F2018_OBS \ | |
43 | | GFC_STD_F2018_DEL) | |
44 | #define GFC_STD_OPT_F03 (GFC_STD_OPT_F95 | GFC_STD_F2003) | |
45 | #define GFC_STD_OPT_F08 (GFC_STD_OPT_F03 | GFC_STD_F2008) | |
286f737c | 46 | #define GFC_STD_OPT_F18 ((GFC_STD_OPT_F08 | GFC_STD_F2018) \ |
67e9518e | 47 | & (~GFC_STD_F2018_DEL)) |
d74b97cc | 48 | |
8b198102 FXC |
49 | /* Bitmasks for the various FPE that can be enabled. These need to be straight integers |
50 | e.g., 8 instead of (1<<3), because they will be included in Fortran source. */ | |
51 | #define GFC_FPE_INVALID 1 | |
52 | #define GFC_FPE_DENORMAL 2 | |
53 | #define GFC_FPE_ZERO 4 | |
54 | #define GFC_FPE_OVERFLOW 8 | |
55 | #define GFC_FPE_UNDERFLOW 16 | |
56 | #define GFC_FPE_INEXACT 32 | |
d74b97cc | 57 | |
82a4f54c TB |
58 | /* Defines for floating-point rounding modes. */ |
59 | #define GFC_FPE_DOWNWARD 1 | |
60 | #define GFC_FPE_TONEAREST 2 | |
61 | #define GFC_FPE_TOWARDZERO 3 | |
62 | #define GFC_FPE_UPWARD 4 | |
63 | ||
8b198102 FXC |
64 | /* Size of the buffer required to store FPU state for any target. |
65 | In particular, this has to be larger than fenv_t on all glibc targets. | |
66 | Currently, the winner is x86_64 with 32 bytes. */ | |
67 | #define GFC_FPE_STATE_BUFFER_SIZE 32 | |
d74b97cc | 68 | |
d3d3011f FXC |
69 | /* Bitmasks for the various runtime checks that can be enabled. */ |
70 | #define GFC_RTCHECK_BOUNDS (1<<0) | |
71 | #define GFC_RTCHECK_ARRAY_TEMPS (1<<1) | |
72 | #define GFC_RTCHECK_RECURSION (1<<2) | |
73 | #define GFC_RTCHECK_DO (1<<3) | |
20460eb9 | 74 | #define GFC_RTCHECK_POINTER (1<<4) |
22bdbb0f | 75 | #define GFC_RTCHECK_MEM (1<<5) |
d3d3011f | 76 | #define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \ |
20460eb9 | 77 | | GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \ |
22bdbb0f | 78 | | GFC_RTCHECK_POINTER | GFC_RTCHECK_MEM) |
d3d3011f | 79 | |
4a8d4422 | 80 | /* Special unit numbers used to convey certain conditions. Numbers -4 |
e344505c | 81 | thru -9 available. NEWUNIT values start at -10. */ |
13926b24 JD |
82 | #define GFC_INTERNAL_UNIT -1 /* KIND=1 Internal Unit. */ |
83 | #define GFC_INTERNAL_UNIT4 -2 /* KIND=4 Internal Unit. */ | |
4a8d4422 | 84 | #define GFC_INVALID_UNIT -3 |
d3d3011f | 85 | |
d74b97cc | 86 | /* Possible values for the CONVERT I/O specifier. */ |
f19626cf | 87 | /* Keep in sync with GFC_FLAG_CONVERT_* in gcc/flags.h. */ |
d74b97cc FXC |
88 | typedef enum |
89 | { | |
90 | GFC_CONVERT_NONE = -1, | |
91 | GFC_CONVERT_NATIVE = 0, | |
92 | GFC_CONVERT_SWAP, | |
93 | GFC_CONVERT_BIG, | |
94 | GFC_CONVERT_LITTLE | |
95 | } | |
96 | unit_convert; | |
97 | ||
98 | ||
99 | /* Runtime errors. */ | |
100 | typedef enum | |
101 | { | |
102 | LIBERROR_FIRST = -3, /* Marker for the first error. */ | |
103 | LIBERROR_EOR = -2, /* End of record, must be negative. */ | |
104 | LIBERROR_END = -1, /* End of file, must be negative. */ | |
105 | LIBERROR_OK = 0, /* Indicates success, must be zero. */ | |
106 | LIBERROR_OS = 5000, /* OS error, more info in errno. */ | |
107 | LIBERROR_OPTION_CONFLICT, | |
108 | LIBERROR_BAD_OPTION, | |
109 | LIBERROR_MISSING_OPTION, | |
110 | LIBERROR_ALREADY_OPEN, | |
111 | LIBERROR_BAD_UNIT, | |
112 | LIBERROR_FORMAT, | |
113 | LIBERROR_BAD_ACTION, | |
114 | LIBERROR_ENDFILE, | |
115 | LIBERROR_BAD_US, | |
116 | LIBERROR_READ_VALUE, | |
117 | LIBERROR_READ_OVERFLOW, | |
118 | LIBERROR_INTERNAL, | |
119 | LIBERROR_INTERNAL_UNIT, | |
120 | LIBERROR_ALLOCATION, | |
121 | LIBERROR_DIRECT_EOR, | |
122 | LIBERROR_SHORT_RECORD, | |
123 | LIBERROR_CORRUPT_FILE, | |
be1f1ed9 | 124 | LIBERROR_INQUIRE_INTERNAL_UNIT, /* Must be different from STAT_STOPPED_IMAGE. */ |
d74b97cc FXC |
125 | LIBERROR_LAST /* Not a real error, the last error # + 1. */ |
126 | } | |
127 | libgfortran_error_codes; | |
128 | ||
ef78bc3c | 129 | /* Must kept in sync with libgfortran/caf/libcaf.h. */ |
385e8144 TB |
130 | typedef enum |
131 | { | |
132 | GFC_STAT_UNLOCKED = 0, | |
133 | GFC_STAT_LOCKED, | |
134 | GFC_STAT_LOCKED_OTHER_IMAGE, | |
7f4aaf91 | 135 | GFC_STAT_STOPPED_IMAGE = 6000, /* See LIBERROR_INQUIRE_INTERNAL_UNIT above. */ |
ef78bc3c | 136 | GFC_STAT_FAILED_IMAGE = 6001 |
385e8144 TB |
137 | } |
138 | libgfortran_stat_codes; | |
d74b97cc | 139 | |
42a8246d TB |
140 | typedef enum |
141 | { | |
142 | GFC_CAF_ATOMIC_ADD = 1, | |
143 | GFC_CAF_ATOMIC_AND, | |
144 | GFC_CAF_ATOMIC_OR, | |
145 | GFC_CAF_ATOMIC_XOR | |
146 | } libcaf_atomic_codes; | |
147 | ||
229c5919 TB |
148 | |
149 | /* For CO_REDUCE. */ | |
150 | #define GFC_CAF_BYREF (1<<0) | |
151 | #define GFC_CAF_HIDDENLEN (1<<1) | |
152 | #define GFC_CAF_ARG_VALUE (1<<2) | |
153 | #define GFC_CAF_ARG_DESC (1<<3) | |
154 | ||
155 | ||
d74b97cc FXC |
156 | /* Default unit number for preconnected standard input and output. */ |
157 | #define GFC_STDIN_UNIT_NUMBER 5 | |
158 | #define GFC_STDOUT_UNIT_NUMBER 6 | |
159 | #define GFC_STDERR_UNIT_NUMBER 0 | |
160 | ||
7fb43006 PT |
161 | /* F2003 onward. For std < F2003, error caught in array.c(gfc_match_array_ref). */ |
162 | #define GFC_MAX_DIMENSIONS 15 | |
d74b97cc | 163 | |
7fb43006 PT |
164 | #define GFC_DTYPE_RANK_MASK 0x0F |
165 | #define GFC_DTYPE_TYPE_SHIFT 4 | |
166 | #define GFC_DTYPE_TYPE_MASK 0x70 | |
167 | #define GFC_DTYPE_SIZE_SHIFT 7 | |
d74b97cc | 168 | |
a11930ba JD |
169 | /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer |
170 | can take any arg with the pointer attribute as a param. These are also | |
171 | used in the run-time library for IO. */ | |
ffa61a5e | 172 | typedef enum |
a11930ba | 173 | { BT_UNKNOWN = 0, BT_INTEGER, BT_LOGICAL, BT_REAL, BT_COMPLEX, |
45a69325 | 174 | BT_DERIVED, BT_CHARACTER, BT_CLASS, BT_PROCEDURE, BT_HOLLERITH, BT_VOID, |
f6288c24 | 175 | BT_ASSUMED, BT_UNION |
ffa61a5e | 176 | } |
a11930ba | 177 | bt; |