1 /* Header file to the Fortran front-end and runtime library 2 Copyright (C) 2007-2014 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 #define GFC_STD_F2008_TS (1<<9) /* POST-F2008 technical reports. */ 26 #define GFC_STD_F2008_OBS (1<<8) /* Obsolescent in F2008. */ 27 #define GFC_STD_F2008 (1<<7) /* New in F2008. */ 28 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */ 29 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */ 30 #define GFC_STD_F2003 (1<<4) /* New in F2003. */ 31 #define GFC_STD_F95 (1<<3) /* New in F95. */ 32 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */ 33 #define GFC_STD_F95_OBS (1<<1) /* Obsolescent in F95. */ 34 #define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or 35 obsolescent in later standards. */ 36 37 38 /* Bitmasks for the various FPE that can be enabled. */ 39 #define GFC_FPE_INVALID (1<<0) 40 #define GFC_FPE_DENORMAL (1<<1) 41 #define GFC_FPE_ZERO (1<<2) 42 #define GFC_FPE_OVERFLOW (1<<3) 43 #define GFC_FPE_UNDERFLOW (1<<4) 44 #define GFC_FPE_INEXACT (1<<5) 45 46 /* Defines for floating-point rounding modes. */ 47 #define GFC_FPE_DOWNWARD 1 48 #define GFC_FPE_TONEAREST 2 49 #define GFC_FPE_TOWARDZERO 3 50 #define GFC_FPE_UPWARD 4 51 52 53 /* Bitmasks for the various runtime checks that can be enabled. */ 54 #define GFC_RTCHECK_BOUNDS (1<<0) 55 #define GFC_RTCHECK_ARRAY_TEMPS (1<<1) 56 #define GFC_RTCHECK_RECURSION (1<<2) 57 #define GFC_RTCHECK_DO (1<<3) 58 #define GFC_RTCHECK_POINTER (1<<4) 59 #define GFC_RTCHECK_MEM (1<<5) 60 #define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \ 61 | GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \ 62 | GFC_RTCHECK_POINTER | GFC_RTCHECK_MEM) 63 64 65 /* Possible values for the CONVERT I/O specifier. */ 66 typedef enum 67 { 68 GFC_CONVERT_NONE = -1, 69 GFC_CONVERT_NATIVE = 0, 70 GFC_CONVERT_SWAP, 71 GFC_CONVERT_BIG, 72 GFC_CONVERT_LITTLE 73 } 74 unit_convert; 75 76 77 /* Runtime errors. */ 78 typedef enum 79 { 80 LIBERROR_FIRST = -3, /* Marker for the first error. */ 81 LIBERROR_EOR = -2, /* End of record, must be negative. */ 82 LIBERROR_END = -1, /* End of file, must be negative. */ 83 LIBERROR_OK = 0, /* Indicates success, must be zero. */ 84 LIBERROR_OS = 5000, /* OS error, more info in errno. */ 85 LIBERROR_OPTION_CONFLICT, 86 LIBERROR_BAD_OPTION, 87 LIBERROR_MISSING_OPTION, 88 LIBERROR_ALREADY_OPEN, 89 LIBERROR_BAD_UNIT, 90 LIBERROR_FORMAT, 91 LIBERROR_BAD_ACTION, 92 LIBERROR_ENDFILE, 93 LIBERROR_BAD_US, 94 LIBERROR_READ_VALUE, 95 LIBERROR_READ_OVERFLOW, 96 LIBERROR_INTERNAL, 97 LIBERROR_INTERNAL_UNIT, 98 LIBERROR_ALLOCATION, 99 LIBERROR_DIRECT_EOR, 100 LIBERROR_SHORT_RECORD, 101 LIBERROR_CORRUPT_FILE, 102 LIBERROR_INQUIRE_INTERNAL_UNIT, /* Must be different from STAT_STOPPED_IMAGE. */ 103 LIBERROR_LAST /* Not a real error, the last error # + 1. */ 104 } 105 libgfortran_error_codes; 106 107 /* Must kept in sync with libgfortrancaf.h. */ 108 typedef enum 109 { 110 GFC_STAT_UNLOCKED = 0, 111 GFC_STAT_LOCKED, 112 GFC_STAT_LOCKED_OTHER_IMAGE, 113 GFC_STAT_STOPPED_IMAGE = 6000 /* See LIBERROR_INQUIRE_INTERNAL_UNIT above. */ 114 } 115 libgfortran_stat_codes; 116 117 /* Default unit number for preconnected standard input and output. */ 118 #define GFC_STDIN_UNIT_NUMBER 5 119 #define GFC_STDOUT_UNIT_NUMBER 6 120 #define GFC_STDERR_UNIT_NUMBER 0 121 122 123 /* FIXME: Increase to 15 for Fortran 2008. Also needs changes to 124 GFC_DTYPE_RANK_MASK. See PR 36825. */ 125 #define GFC_MAX_DIMENSIONS 7 126 127 #define GFC_DTYPE_RANK_MASK 0x07 128 #define GFC_DTYPE_TYPE_SHIFT 3 129 #define GFC_DTYPE_TYPE_MASK 0x38 130 #define GFC_DTYPE_SIZE_SHIFT 6 131 132 /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer 133 can take any arg with the pointer attribute as a param. These are also 134 used in the run-time library for IO. */ 135 typedef enum 136 { BT_UNKNOWN = 0, BT_INTEGER, BT_LOGICAL, BT_REAL, BT_COMPLEX, 137 BT_DERIVED, BT_CHARACTER, BT_CLASS, BT_PROCEDURE, BT_HOLLERITH, BT_VOID, 138 BT_ASSUMED 139 } 140 bt; 141