Mercurial > octave
annotate libcruft/misc/f77-fcn.h @ 15128:4d52239daef5
improve internal documentation of F77_ macros.
* f77-fcn.h: Move comments about F77_ macros to a single block above
the system-dependent definitions.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 08 Aug 2012 11:38:52 -0400 |
parents | 87411930d6c4 |
children |
rev | line source |
---|---|
2544 | 1 /* |
2 | |
14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
3 Copyright (C) 1996-2012 John W. Eaton |
2544 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2544 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2544 | 20 |
21 */ | |
22 | |
23 #if !defined (octave_f77_fcn_h) | |
24 #define octave_f77_fcn_h 1 | |
25 | |
4268 | 26 #include "quit.h" |
27 | |
2544 | 28 #ifdef __cplusplus |
29 extern "C" { | |
30 #endif | |
31 | |
4153 | 32 /* Hack to stringize macro results. */ |
3887 | 33 #define xSTRINGIZE(x) #x |
34 #define STRINGIZE(x) xSTRINGIZE(x) | |
2544 | 35 |
36 /* How to print an error for the F77_XFCN macro. */ | |
37 | |
38 #define F77_XFCN_ERROR(f, F) \ | |
39 (*current_liboctave_error_handler) \ | |
3887 | 40 ("exception encountered in Fortran subroutine %s", \ |
41 STRINGIZE (F77_FUNC (f, F))) | |
2544 | 42 |
43 /* This can be used to call a Fortran subroutine that might call | |
4153 | 44 XSTOPX. XSTOPX will call lonjmp with current_context. Once back |
45 here, we'll restore the previous context and return. We may also | |
46 end up here if an interrupt is processed when the Fortran | |
47 subroutine is called. In that case, we resotre the context and go | |
48 to the top level. The error_state should be checked immediately | |
49 after this macro is used. */ | |
2544 | 50 |
51 #define F77_XFCN(f, F, args) \ | |
52 do \ | |
53 { \ | |
4182 | 54 octave_jmp_buf saved_context; \ |
5767 | 55 sig_atomic_t saved_octave_interrupt_immediately = octave_interrupt_immediately; \ |
2544 | 56 f77_exception_encountered = 0; \ |
5760 | 57 octave_save_current_context (saved_context); \ |
4153 | 58 if (octave_set_current_context) \ |
9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
59 { \ |
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
60 octave_interrupt_immediately = saved_octave_interrupt_immediately; \ |
5760 | 61 octave_restore_current_context (saved_context); \ |
9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
62 if (f77_exception_encountered) \ |
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
63 F77_XFCN_ERROR (f, F); \ |
4153 | 64 else \ |
9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
65 octave_rethrow_exception (); \ |
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
66 } \ |
2544 | 67 else \ |
4153 | 68 { \ |
9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
69 octave_interrupt_immediately++; \ |
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
70 F77_FUNC (f, F) args; \ |
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
71 octave_interrupt_immediately--; \ |
5760 | 72 octave_restore_current_context (saved_context); \ |
4153 | 73 } \ |
2544 | 74 } \ |
75 while (0) | |
76 | |
77 /* So we can check to see if an exception has occurred. */ | |
6107 | 78 CRUFT_API extern int f77_exception_encountered; |
2544 | 79 |
3938 | 80 #if !defined (F77_FCN) |
81 #define F77_FCN(f, F) F77_FUNC (f, F) | |
82 #endif | |
83 | |
15128
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
84 /* |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
85 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
86 The following macros are used for handling Fortran <-> C calling |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
87 conventions. They are defined below for three different types of |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
88 systems, Cray (possibly now obsolete), Visual Fortran, and any system |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
89 that is compatible with the f2c calling conventions, including g77 and |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
90 gfortran. Note that gfortran is not completely compatible with the |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
91 f2c calling conventions, but that we only use the parts that are |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
92 compatible. For example, f2c and gfortran differ in the way they |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
93 handle Fortran functions that return complex values, but Octave does |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
94 not call any Fortran functions like that directly from C or C++. |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
95 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
96 Use these macros to pass character strings from C to Fortran: |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
97 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
98 F77_CHAR_ARG(x) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
99 F77_CONST_CHAR_ARG(x) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
100 F77_CXX_STRING_ARG(x) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
101 F77_CHAR_ARG_LEN(l) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
102 F77_CHAR_ARG_DECL |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
103 F77_CONST_CHAR_ARG_DECL |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
104 F77_CHAR_ARG_LEN_DECL |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
105 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
106 Use these macros to write C-language functions that accept |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
107 Fortran-style character strings: |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
108 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
109 F77_CHAR_ARG_DEF(s, len) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
110 F77_CONST_CHAR_ARG_DEF(s, len) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
111 F77_CHAR_ARG_LEN_DEF(len) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
112 F77_CHAR_ARG_USE(s) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
113 F77_CHAR_ARG_LEN_USE(s, len) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
114 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
115 Use this macro to declare the return type of a C-language function |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
116 that is supposed to act like a Fortran subroutine: |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
117 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
118 F77_RET_T int |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
119 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
120 Use these macros to return from C-language functions that are supposed |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
121 to act like Fortran subroutines. F77_NORETURN is intended to be used |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
122 as the last statement of such a function that has been tagged with a |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
123 "noreturn" attribute. If the compiler supports the "noreturn" |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
124 attribute or if F77_RET_T is void, then it should expand to nothing so |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
125 that we avoid warnings about functions tagged as "noreturn" |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
126 containing a return statement. Otherwise, it should expand to a |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
127 statement that returns the given value so that we avoid warnings about |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
128 not returning a value from a function declared to return something. |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
129 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
130 F77_RETURN(retval) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
131 F77_NORETURN(retval) |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
132 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
133 */ |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
134 |
4552 | 135 #if defined (F77_USES_CRAY_CALLING_CONVENTION) |
136 | |
137 #include <fortran.h> | |
6072 | 138 |
139 /* Use these macros to pass character strings from C to Fortran. */ | |
4552 | 140 #define F77_CHAR_ARG(x) octave_make_cray_ftn_ch_dsc (x, strlen (x)) |
141 #define F77_CONST_CHAR_ARG(x) \ | |
142 octave_make_cray_const_ftn_ch_dsc (x, strlen (x)) | |
4577 | 143 #define F77_CHAR_ARG2(x, l) octave_make_cray_ftn_ch_dsc (x, l) |
144 #define F77_CONST_CHAR_ARG2(x, l) octave_make_cray_const_ftn_ch_dsc (x, l) | |
4552 | 145 #define F77_CXX_STRING_ARG(x) \ |
146 octave_make_cray_const_ftn_ch_dsc (x.c_str (), x.length ()) | |
147 #define F77_CHAR_ARG_LEN(l) | |
4577 | 148 #define F77_CHAR_ARG_DECL octave_cray_ftn_ch_dsc |
149 #define F77_CONST_CHAR_ARG_DECL octave_cray_ftn_ch_dsc | |
4552 | 150 #define F77_CHAR_ARG_LEN_DECL |
6072 | 151 |
152 /* Use these macros to write C-language functions that accept | |
153 Fortran-style character strings. */ | |
154 #define F77_CHAR_ARG_DEF(s, len) octave_cray_ftn_ch_dsc s | |
155 #define F77_CONST_CHAR_ARG_DEF(s, len) octave_cray_ftn_ch_dsc s | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
156 #define F77_CHAR_ARG_LEN_DEF(len) |
6072 | 157 #define F77_CHAR_ARG_USE(s) s.ptr |
158 #define F77_CHAR_ARG_LEN_USE(s, len) (s.mask.len>>3) | |
159 | |
15128
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
160 /* Use this macro to declare the return type of a C-language function |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
161 that is supposed to act like a Fortran subroutine. */ |
4552 | 162 #define F77_RET_T int |
15128
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
163 |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
164 /* Use these macros to return from C-language functions that are |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
165 supposed to act like Fortran subroutines. F77_NORETURN is intended |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
166 to be used as the last statement of such a function that has been |
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
167 tagged with a "noreturn" attribute. */ |
4552 | 168 #define F77_RETURN(retval) return retval; |
15127
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
169 #if defined (HAVE_ATTR_NORETURN) |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
170 #define F77_NORETURN(retval) |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
171 #else |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
172 #define F77_NORETURN(retval) return retval; |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
173 #endif |
4552 | 174 |
5775 | 175 /* FIXME -- these should work for SV1 or Y-MP systems but will |
4572 | 176 need to be changed for others. */ |
4552 | 177 |
4558 | 178 typedef union |
4552 | 179 { |
4558 | 180 const char *const_ptr; |
181 char *ptr; | |
4552 | 182 struct |
183 { | |
184 unsigned off : 6; | |
185 unsigned len : 26; | |
186 unsigned add : 32; | |
187 } mask; | |
4558 | 188 } octave_cray_descriptor; |
4552 | 189 |
190 typedef void *octave_cray_ftn_ch_dsc; | |
191 | |
4555 | 192 #ifdef __cplusplus |
193 #define OCTAVE_F77_FCN_INLINE inline | |
4558 | 194 #else |
195 #define OCTAVE_F77_FCN_INLINE | |
4555 | 196 #endif |
197 | |
198 static OCTAVE_F77_FCN_INLINE octave_cray_ftn_ch_dsc | |
4552 | 199 octave_make_cray_ftn_ch_dsc (char *ptr_arg, unsigned long len_arg) |
200 { | |
201 octave_cray_descriptor desc; | |
202 desc.ptr = ptr_arg; | |
203 desc.mask.len = len_arg << 3; | |
4558 | 204 return *((octave_cray_ftn_ch_dsc *) &desc); |
4552 | 205 } |
206 | |
4555 | 207 static OCTAVE_F77_FCN_INLINE octave_cray_ftn_ch_dsc |
4552 | 208 octave_make_cray_const_ftn_ch_dsc (const char *ptr_arg, unsigned long len_arg) |
209 { | |
210 octave_cray_descriptor desc; | |
211 desc.const_ptr = ptr_arg; | |
212 desc.mask.len = len_arg << 3; | |
4558 | 213 return *((octave_cray_ftn_ch_dsc *) &desc); |
4552 | 214 } |
215 | |
4555 | 216 #ifdef __cplusplus |
217 #undef OCTAVE_F77_FCN_INLINE | |
218 #endif | |
219 | |
4552 | 220 #elif defined (F77_USES_VISUAL_FORTRAN_CALLING_CONVENTION) |
221 | |
6072 | 222 /* Use these macros to pass character strings from C to Fortran. */ |
4552 | 223 #define F77_CHAR_ARG(x) x, strlen (x) |
224 #define F77_CONST_CHAR_ARG(x) F77_CHAR_ARG (x) | |
225 #define F77_CHAR_ARG2(x, l) x, l | |
226 #define F77_CONST_CHAR_ARG2(x, l) F77_CHAR_ARG2 (x, l) | |
227 #define F77_CXX_STRING_ARG(x) F77_CONST_CHAR_ARG2 (x.c_str (), x.length ()) | |
228 #define F77_CHAR_ARG_LEN(l) | |
229 #define F77_CHAR_ARG_DECL char *, int | |
230 #define F77_CONST_CHAR_ARG_DECL const char *, int | |
231 #define F77_CHAR_ARG_LEN_DECL | |
6072 | 232 |
233 #define F77_CHAR_ARG_DEF(s, len) char *s, int len | |
234 #define F77_CONST_CHAR_ARG_DEF(s, len) const char *s, int len | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
235 #define F77_CHAR_ARG_LEN_DEF(len) |
6072 | 236 #define F77_CHAR_ARG_USE(s) s |
237 #define F77_CHAR_ARG_LEN_USE(s, len) len | |
238 | |
4552 | 239 #define F77_RET_T void |
15128
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
240 |
15127
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
241 #define F77_RETURN(retval) return; |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
242 #define F77_NORETURN(retval) |
4552 | 243 |
244 #else | |
245 | |
4572 | 246 /* Assume f2c-compatible calling convention. */ |
4552 | 247 |
248 #define F77_CHAR_ARG(x) x | |
249 #define F77_CONST_CHAR_ARG(x) F77_CHAR_ARG (x) | |
250 #define F77_CHAR_ARG2(x, l) x | |
251 #define F77_CONST_CHAR_ARG2(x, l) F77_CHAR_ARG2 (x, l) | |
252 #define F77_CXX_STRING_ARG(x) F77_CONST_CHAR_ARG2 (x.c_str (), x.length ()) | |
5760 | 253 #define F77_CHAR_ARG_LEN(l) , l |
4552 | 254 #define F77_CHAR_ARG_DECL char * |
255 #define F77_CONST_CHAR_ARG_DECL const char * | |
256 #define F77_CHAR_ARG_LEN_DECL , long | |
6072 | 257 |
258 #define F77_CHAR_ARG_DEF(s, len) char *s | |
259 #define F77_CONST_CHAR_ARG_DEF(s, len) const char *s | |
260 #define F77_CHAR_ARG_LEN_DEF(len) , long len | |
261 #define F77_CHAR_ARG_USE(s) s | |
262 #define F77_CHAR_ARG_LEN_USE(s, len) len | |
263 | |
4552 | 264 #define F77_RET_T int |
15128
4d52239daef5
improve internal documentation of F77_ macros.
John W. Eaton <jwe@octave.org>
parents:
15127
diff
changeset
|
265 |
4552 | 266 #define F77_RETURN(retval) return retval; |
15127
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
267 #if defined (HAVE_ATTR_NORETURN) |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
268 #define F77_NORETURN(retval) |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
269 #else |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
270 #define F77_NORETURN(retval) return retval; |
87411930d6c4
avoid "function declared 'noreturn' has a return statement" warning.
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
271 #endif |
4552 | 272 |
273 #endif | |
274 | |
6072 | 275 |
276 /* Build a C string local variable CS from the Fortran string parameter S | |
277 declared as F77_CHAR_ARG_DEF(s, len) or F77_CONST_CHAR_ARG_DEF(s, len). | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
278 The string will be cleaned up at the end of the current block. |
6072 | 279 Needs to include <cstring> and <vector>. */ |
280 | |
281 #define F77_CSTRING(s, len, cs) \ | |
6253 | 282 OCTAVE_LOCAL_BUFFER (char, cs, F77_CHAR_ARG_LEN_USE (s, len) + 1); \ |
6072 | 283 memcpy (cs, F77_CHAR_ARG_USE (s), F77_CHAR_ARG_LEN_USE (s, len)); \ |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
284 cs[F77_CHAR_ARG_LEN_USE(s, len)] = '\0' |
6072 | 285 |
286 | |
6107 | 287 extern CRUFT_API F77_RET_T |
4801 | 288 F77_FUNC (xstopx, XSTOPX) (F77_CONST_CHAR_ARG_DECL |
9930
1ddc25c3623a
libcruft/misc: untabify sources
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
289 F77_CHAR_ARG_LEN_DECL) GCC_ATTR_NORETURN; |
4552 | 290 |
2544 | 291 #ifdef __cplusplus |
292 } | |
293 #endif | |
294 | |
295 #endif |