Mercurial > octave
annotate libcruft/misc/f77-fcn.h @ 9930:1ddc25c3623a
libcruft/misc: untabify sources
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 07 Dec 2009 13:17:13 -0500 |
| parents | eb63fbe60fab |
| children | ac4b97c6bf8b |
| rev | line source |
|---|---|
| 2544 | 1 /* |
| 2 | |
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9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
3 Copyright (C) 1996, 1997, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
| 7017 | 4 John W. Eaton |
| 2544 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2544 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2544 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_f77_fcn_h) | |
| 25 #define octave_f77_fcn_h 1 | |
| 26 | |
| 4268 | 27 #include "quit.h" |
| 28 | |
| 2544 | 29 #ifdef __cplusplus |
| 30 extern "C" { | |
| 31 #endif | |
| 32 | |
| 4153 | 33 /* Hack to stringize macro results. */ |
| 3887 | 34 #define xSTRINGIZE(x) #x |
| 35 #define STRINGIZE(x) xSTRINGIZE(x) | |
| 2544 | 36 |
| 37 /* How to print an error for the F77_XFCN macro. */ | |
| 38 | |
| 39 #define F77_XFCN_ERROR(f, F) \ | |
| 40 (*current_liboctave_error_handler) \ | |
| 3887 | 41 ("exception encountered in Fortran subroutine %s", \ |
| 42 STRINGIZE (F77_FUNC (f, F))) | |
| 2544 | 43 |
| 44 /* This can be used to call a Fortran subroutine that might call | |
| 4153 | 45 XSTOPX. XSTOPX will call lonjmp with current_context. Once back |
| 46 here, we'll restore the previous context and return. We may also | |
| 47 end up here if an interrupt is processed when the Fortran | |
| 48 subroutine is called. In that case, we resotre the context and go | |
| 49 to the top level. The error_state should be checked immediately | |
| 50 after this macro is used. */ | |
| 2544 | 51 |
| 52 #define F77_XFCN(f, F, args) \ | |
| 53 do \ | |
| 54 { \ | |
| 4182 | 55 octave_jmp_buf saved_context; \ |
| 5767 | 56 sig_atomic_t saved_octave_interrupt_immediately = octave_interrupt_immediately; \ |
| 2544 | 57 f77_exception_encountered = 0; \ |
| 5760 | 58 octave_save_current_context (saved_context); \ |
| 4153 | 59 if (octave_set_current_context) \ |
|
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1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
60 { \ |
|
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
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61 octave_interrupt_immediately = saved_octave_interrupt_immediately; \ |
| 5760 | 62 octave_restore_current_context (saved_context); \ |
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libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
63 if (f77_exception_encountered) \ |
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libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
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64 F77_XFCN_ERROR (f, F); \ |
| 4153 | 65 else \ |
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libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
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66 octave_rethrow_exception (); \ |
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1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
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67 } \ |
| 2544 | 68 else \ |
| 4153 | 69 { \ |
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libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
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70 octave_interrupt_immediately++; \ |
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libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
71 F77_FUNC (f, F) args; \ |
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1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
72 octave_interrupt_immediately--; \ |
| 5760 | 73 octave_restore_current_context (saved_context); \ |
| 4153 | 74 } \ |
| 2544 | 75 } \ |
| 76 while (0) | |
| 77 | |
| 78 /* So we can check to see if an exception has occurred. */ | |
| 6107 | 79 CRUFT_API extern int f77_exception_encountered; |
| 2544 | 80 |
| 3938 | 81 #if !defined (F77_FCN) |
| 82 #define F77_FCN(f, F) F77_FUNC (f, F) | |
| 83 #endif | |
| 84 | |
| 4552 | 85 #if defined (F77_USES_CRAY_CALLING_CONVENTION) |
| 86 | |
| 87 #include <fortran.h> | |
| 6072 | 88 |
| 89 /* Use these macros to pass character strings from C to Fortran. */ | |
| 4552 | 90 #define F77_CHAR_ARG(x) octave_make_cray_ftn_ch_dsc (x, strlen (x)) |
| 91 #define F77_CONST_CHAR_ARG(x) \ | |
| 92 octave_make_cray_const_ftn_ch_dsc (x, strlen (x)) | |
| 4577 | 93 #define F77_CHAR_ARG2(x, l) octave_make_cray_ftn_ch_dsc (x, l) |
| 94 #define F77_CONST_CHAR_ARG2(x, l) octave_make_cray_const_ftn_ch_dsc (x, l) | |
| 4552 | 95 #define F77_CXX_STRING_ARG(x) \ |
| 96 octave_make_cray_const_ftn_ch_dsc (x.c_str (), x.length ()) | |
| 97 #define F77_CHAR_ARG_LEN(l) | |
| 4577 | 98 #define F77_CHAR_ARG_DECL octave_cray_ftn_ch_dsc |
| 99 #define F77_CONST_CHAR_ARG_DECL octave_cray_ftn_ch_dsc | |
| 4552 | 100 #define F77_CHAR_ARG_LEN_DECL |
| 6072 | 101 |
| 102 /* Use these macros to write C-language functions that accept | |
| 103 Fortran-style character strings. */ | |
| 104 #define F77_CHAR_ARG_DEF(s, len) octave_cray_ftn_ch_dsc s | |
| 105 #define F77_CONST_CHAR_ARG_DEF(s, len) octave_cray_ftn_ch_dsc s | |
| 106 #define F77_CHAR_ARG_LEN_DEF(len) | |
| 107 #define F77_CHAR_ARG_USE(s) s.ptr | |
| 108 #define F77_CHAR_ARG_LEN_USE(s, len) (s.mask.len>>3) | |
| 109 | |
| 4552 | 110 #define F77_RET_T int |
| 111 #define F77_RETURN(retval) return retval; | |
| 112 | |
| 5775 | 113 /* FIXME -- these should work for SV1 or Y-MP systems but will |
| 4572 | 114 need to be changed for others. */ |
| 4552 | 115 |
| 4558 | 116 typedef union |
| 4552 | 117 { |
| 4558 | 118 const char *const_ptr; |
| 119 char *ptr; | |
| 4552 | 120 struct |
| 121 { | |
| 122 unsigned off : 6; | |
| 123 unsigned len : 26; | |
| 124 unsigned add : 32; | |
| 125 } mask; | |
| 4558 | 126 } octave_cray_descriptor; |
| 4552 | 127 |
| 128 typedef void *octave_cray_ftn_ch_dsc; | |
| 129 | |
| 4555 | 130 #ifdef __cplusplus |
| 131 #define OCTAVE_F77_FCN_INLINE inline | |
| 4558 | 132 #else |
| 133 #define OCTAVE_F77_FCN_INLINE | |
| 4555 | 134 #endif |
| 135 | |
| 136 static OCTAVE_F77_FCN_INLINE octave_cray_ftn_ch_dsc | |
| 4552 | 137 octave_make_cray_ftn_ch_dsc (char *ptr_arg, unsigned long len_arg) |
| 138 { | |
| 139 octave_cray_descriptor desc; | |
| 140 desc.ptr = ptr_arg; | |
| 141 desc.mask.len = len_arg << 3; | |
| 4558 | 142 return *((octave_cray_ftn_ch_dsc *) &desc); |
| 4552 | 143 } |
| 144 | |
| 4555 | 145 static OCTAVE_F77_FCN_INLINE octave_cray_ftn_ch_dsc |
| 4552 | 146 octave_make_cray_const_ftn_ch_dsc (const char *ptr_arg, unsigned long len_arg) |
| 147 { | |
| 148 octave_cray_descriptor desc; | |
| 149 desc.const_ptr = ptr_arg; | |
| 150 desc.mask.len = len_arg << 3; | |
| 4558 | 151 return *((octave_cray_ftn_ch_dsc *) &desc); |
| 4552 | 152 } |
| 153 | |
| 4555 | 154 #ifdef __cplusplus |
| 155 #undef OCTAVE_F77_FCN_INLINE | |
| 156 #endif | |
| 157 | |
| 4552 | 158 #elif defined (F77_USES_VISUAL_FORTRAN_CALLING_CONVENTION) |
| 159 | |
| 6072 | 160 /* Use these macros to pass character strings from C to Fortran. */ |
| 4552 | 161 #define F77_CHAR_ARG(x) x, strlen (x) |
| 162 #define F77_CONST_CHAR_ARG(x) F77_CHAR_ARG (x) | |
| 163 #define F77_CHAR_ARG2(x, l) x, l | |
| 164 #define F77_CONST_CHAR_ARG2(x, l) F77_CHAR_ARG2 (x, l) | |
| 165 #define F77_CXX_STRING_ARG(x) F77_CONST_CHAR_ARG2 (x.c_str (), x.length ()) | |
| 166 #define F77_CHAR_ARG_LEN(l) | |
| 167 #define F77_CHAR_ARG_DECL char *, int | |
| 168 #define F77_CONST_CHAR_ARG_DECL const char *, int | |
| 169 #define F77_CHAR_ARG_LEN_DECL | |
| 6072 | 170 |
| 171 /* Use these macros to write C-language functions that accept | |
| 172 Fortran-style character strings. */ | |
| 173 #define F77_CHAR_ARG_DEF(s, len) char *s, int len | |
| 174 #define F77_CONST_CHAR_ARG_DEF(s, len) const char *s, int len | |
| 175 #define F77_CHAR_ARG_LEN_DEF(len) | |
| 176 #define F77_CHAR_ARG_USE(s) s | |
| 177 #define F77_CHAR_ARG_LEN_USE(s, len) len | |
| 178 | |
| 4552 | 179 #define F77_RET_T void |
| 180 #define F77_RETURN(retval) | |
| 181 | |
| 182 #else | |
| 183 | |
| 4572 | 184 /* Assume f2c-compatible calling convention. */ |
| 4552 | 185 |
| 6072 | 186 /* Use these macros to pass character strings from C to Fortran. */ |
| 4552 | 187 #define F77_CHAR_ARG(x) x |
| 188 #define F77_CONST_CHAR_ARG(x) F77_CHAR_ARG (x) | |
| 189 #define F77_CHAR_ARG2(x, l) x | |
| 190 #define F77_CONST_CHAR_ARG2(x, l) F77_CHAR_ARG2 (x, l) | |
| 191 #define F77_CXX_STRING_ARG(x) F77_CONST_CHAR_ARG2 (x.c_str (), x.length ()) | |
| 5760 | 192 #define F77_CHAR_ARG_LEN(l) , l |
| 4552 | 193 #define F77_CHAR_ARG_DECL char * |
| 194 #define F77_CONST_CHAR_ARG_DECL const char * | |
| 195 #define F77_CHAR_ARG_LEN_DECL , long | |
| 6072 | 196 |
| 197 /* Use these macros to write C-language functions that accept | |
| 198 Fortran-style character strings. */ | |
| 199 #define F77_CHAR_ARG_DEF(s, len) char *s | |
| 200 #define F77_CONST_CHAR_ARG_DEF(s, len) const char *s | |
| 201 #define F77_CHAR_ARG_LEN_DEF(len) , long len | |
| 202 #define F77_CHAR_ARG_USE(s) s | |
| 203 #define F77_CHAR_ARG_LEN_USE(s, len) len | |
| 204 | |
| 4552 | 205 #define F77_RET_T int |
| 206 #define F77_RETURN(retval) return retval; | |
| 207 | |
| 208 #endif | |
| 209 | |
| 6072 | 210 |
| 211 /* Build a C string local variable CS from the Fortran string parameter S | |
| 212 declared as F77_CHAR_ARG_DEF(s, len) or F77_CONST_CHAR_ARG_DEF(s, len). | |
| 213 The string will be cleaned up at the end of the current block. | |
| 214 Needs to include <cstring> and <vector>. */ | |
| 215 | |
| 216 #define F77_CSTRING(s, len, cs) \ | |
| 6253 | 217 OCTAVE_LOCAL_BUFFER (char, cs, F77_CHAR_ARG_LEN_USE (s, len) + 1); \ |
| 6072 | 218 memcpy (cs, F77_CHAR_ARG_USE (s), F77_CHAR_ARG_LEN_USE (s, len)); \ |
| 219 cs[F77_CHAR_ARG_LEN_USE(s, len)] = '\0' | |
| 220 | |
| 221 | |
| 6107 | 222 extern CRUFT_API F77_RET_T |
| 4801 | 223 F77_FUNC (xstopx, XSTOPX) (F77_CONST_CHAR_ARG_DECL |
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9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
224 F77_CHAR_ARG_LEN_DECL) GCC_ATTR_NORETURN; |
| 4552 | 225 |
| 2544 | 226 #ifdef __cplusplus |
| 227 } | |
| 228 #endif | |
| 229 | |
| 230 #endif | |
| 231 | |
| 232 /* | |
| 233 ;;; Local Variables: *** | |
| 234 ;;; mode: C++ *** | |
| 235 ;;; End: *** | |
| 236 */ |