Mercurial > hg > CbC > CbC_gcc
comparison gcc/fortran/libgfortran.h @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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1 /* Header file to the Fortran front-end and runtime library | |
2 Copyright (C) 2007-2017 Free Software Foundation, Inc. | |
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. | |
23 Please remember to keep those definitions in sync with | |
24 gfortran.texi. */ | |
25 /* For now, use F2015 = GFC_STD_GNU. */ | |
26 #define GFC_STD_F2015 (1<<5) /* PLACEHOLDER for Fortran 2015. */ | |
27 #define GFC_STD_F2008_TS (1<<9) /* POST-F2008 technical reports. */ | |
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. */ | |
38 | |
39 | |
40 /* Bitmasks for the various FPE that can be enabled. These need to be straight integers | |
41 e.g., 8 instead of (1<<3), because they will be included in Fortran source. */ | |
42 #define GFC_FPE_INVALID 1 | |
43 #define GFC_FPE_DENORMAL 2 | |
44 #define GFC_FPE_ZERO 4 | |
45 #define GFC_FPE_OVERFLOW 8 | |
46 #define GFC_FPE_UNDERFLOW 16 | |
47 #define GFC_FPE_INEXACT 32 | |
48 | |
49 /* Defines for floating-point rounding modes. */ | |
50 #define GFC_FPE_DOWNWARD 1 | |
51 #define GFC_FPE_TONEAREST 2 | |
52 #define GFC_FPE_TOWARDZERO 3 | |
53 #define GFC_FPE_UPWARD 4 | |
54 | |
55 /* Size of the buffer required to store FPU state for any target. | |
56 In particular, this has to be larger than fenv_t on all glibc targets. | |
57 Currently, the winner is x86_64 with 32 bytes. */ | |
58 #define GFC_FPE_STATE_BUFFER_SIZE 32 | |
59 | |
60 /* Bitmasks for the various runtime checks that can be enabled. */ | |
61 #define GFC_RTCHECK_BOUNDS (1<<0) | |
62 #define GFC_RTCHECK_ARRAY_TEMPS (1<<1) | |
63 #define GFC_RTCHECK_RECURSION (1<<2) | |
64 #define GFC_RTCHECK_DO (1<<3) | |
65 #define GFC_RTCHECK_POINTER (1<<4) | |
66 #define GFC_RTCHECK_MEM (1<<5) | |
67 #define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \ | |
68 | GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \ | |
69 | GFC_RTCHECK_POINTER | GFC_RTCHECK_MEM) | |
70 | |
71 /* Special unit numbers used to convey certain conditions. Numbers -4 | |
72 thru -9 available. NEWUNIT values start at -10. */ | |
73 #define GFC_INTERNAL_UNIT -1 /* KIND=1 Internal Unit. */ | |
74 #define GFC_INTERNAL_UNIT4 -2 /* KIND=4 Internal Unit. */ | |
75 #define GFC_INVALID_UNIT -3 | |
76 | |
77 /* Possible values for the CONVERT I/O specifier. */ | |
78 /* Keep in sync with GFC_FLAG_CONVERT_* in gcc/flags.h. */ | |
79 typedef enum | |
80 { | |
81 GFC_CONVERT_NONE = -1, | |
82 GFC_CONVERT_NATIVE = 0, | |
83 GFC_CONVERT_SWAP, | |
84 GFC_CONVERT_BIG, | |
85 GFC_CONVERT_LITTLE | |
86 } | |
87 unit_convert; | |
88 | |
89 | |
90 /* Runtime errors. */ | |
91 typedef enum | |
92 { | |
93 LIBERROR_FIRST = -3, /* Marker for the first error. */ | |
94 LIBERROR_EOR = -2, /* End of record, must be negative. */ | |
95 LIBERROR_END = -1, /* End of file, must be negative. */ | |
96 LIBERROR_OK = 0, /* Indicates success, must be zero. */ | |
97 LIBERROR_OS = 5000, /* OS error, more info in errno. */ | |
98 LIBERROR_OPTION_CONFLICT, | |
99 LIBERROR_BAD_OPTION, | |
100 LIBERROR_MISSING_OPTION, | |
101 LIBERROR_ALREADY_OPEN, | |
102 LIBERROR_BAD_UNIT, | |
103 LIBERROR_FORMAT, | |
104 LIBERROR_BAD_ACTION, | |
105 LIBERROR_ENDFILE, | |
106 LIBERROR_BAD_US, | |
107 LIBERROR_READ_VALUE, | |
108 LIBERROR_READ_OVERFLOW, | |
109 LIBERROR_INTERNAL, | |
110 LIBERROR_INTERNAL_UNIT, | |
111 LIBERROR_ALLOCATION, | |
112 LIBERROR_DIRECT_EOR, | |
113 LIBERROR_SHORT_RECORD, | |
114 LIBERROR_CORRUPT_FILE, | |
115 LIBERROR_INQUIRE_INTERNAL_UNIT, /* Must be different from STAT_STOPPED_IMAGE. */ | |
116 LIBERROR_LAST /* Not a real error, the last error # + 1. */ | |
117 } | |
118 libgfortran_error_codes; | |
119 | |
120 /* Must kept in sync with libgfortran/caf/libcaf.h. */ | |
121 typedef enum | |
122 { | |
123 GFC_STAT_UNLOCKED = 0, | |
124 GFC_STAT_LOCKED, | |
125 GFC_STAT_LOCKED_OTHER_IMAGE, | |
126 GFC_STAT_STOPPED_IMAGE = 6000, /* See LIBERROR_INQUIRE_INTERNAL_UNIT above. */ | |
127 GFC_STAT_FAILED_IMAGE = 6001 | |
128 } | |
129 libgfortran_stat_codes; | |
130 | |
131 typedef enum | |
132 { | |
133 GFC_CAF_ATOMIC_ADD = 1, | |
134 GFC_CAF_ATOMIC_AND, | |
135 GFC_CAF_ATOMIC_OR, | |
136 GFC_CAF_ATOMIC_XOR | |
137 } libcaf_atomic_codes; | |
138 | |
139 | |
140 /* For CO_REDUCE. */ | |
141 #define GFC_CAF_BYREF (1<<0) | |
142 #define GFC_CAF_HIDDENLEN (1<<1) | |
143 #define GFC_CAF_ARG_VALUE (1<<2) | |
144 #define GFC_CAF_ARG_DESC (1<<3) | |
145 | |
146 | |
147 /* Default unit number for preconnected standard input and output. */ | |
148 #define GFC_STDIN_UNIT_NUMBER 5 | |
149 #define GFC_STDOUT_UNIT_NUMBER 6 | |
150 #define GFC_STDERR_UNIT_NUMBER 0 | |
151 | |
152 | |
153 /* FIXME: Increase to 15 for Fortran 2008. Also needs changes to | |
154 GFC_DTYPE_RANK_MASK. See PR 36825. */ | |
155 #define GFC_MAX_DIMENSIONS 7 | |
156 | |
157 #define GFC_DTYPE_RANK_MASK 0x07 | |
158 #define GFC_DTYPE_TYPE_SHIFT 3 | |
159 #define GFC_DTYPE_TYPE_MASK 0x38 | |
160 #define GFC_DTYPE_SIZE_SHIFT 6 | |
161 | |
162 /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer | |
163 can take any arg with the pointer attribute as a param. These are also | |
164 used in the run-time library for IO. */ | |
165 typedef enum | |
166 { BT_UNKNOWN = 0, BT_INTEGER, BT_LOGICAL, BT_REAL, BT_COMPLEX, | |
167 BT_DERIVED, BT_CHARACTER, BT_CLASS, BT_PROCEDURE, BT_HOLLERITH, BT_VOID, | |
168 BT_ASSUMED, BT_UNION | |
169 } | |
170 bt; |