Commit | Line | Data |
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9f40cd87 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 | 41 | |
1bbd0b84 | 42 | |
0f2d19dd JB |
43 | \f |
44 | ||
45 | #include <stdio.h> | |
e6e2e95a | 46 | #include <errno.h> |
bd9e24b3 | 47 | |
a0599745 MD |
48 | #include "libguile/_scm.h" |
49 | #include "libguile/pairs.h" | |
50 | #include "libguile/strings.h" | |
51 | #include "libguile/throw.h" | |
20e6290e | 52 | |
a0599745 MD |
53 | #include "libguile/validate.h" |
54 | #include "libguile/error.h" | |
0f2d19dd | 55 | |
bd9e24b3 GH |
56 | #ifdef HAVE_STRING_H |
57 | #include <string.h> | |
58 | #endif | |
95b88819 GH |
59 | #ifdef HAVE_UNISTD_H |
60 | #include <unistd.h> | |
61 | #endif | |
7beabedb MG |
62 | |
63 | /* For Windows... */ | |
64 | #ifdef HAVE_IO_H | |
65 | #include <io.h> | |
66 | #endif | |
0f2d19dd JB |
67 | \f |
68 | ||
69 | \f | |
70 | /* {Errors and Exceptional Conditions} | |
71 | */ | |
72 | ||
0f2d19dd | 73 | |
c37e0e55 | 74 | /* All errors should pass through here. */ |
7cb1d4d3 | 75 | void |
1bbd0b84 | 76 | scm_error (SCM key, const char *subr, const char *message, SCM args, SCM rest) |
7cb1d4d3 GH |
77 | { |
78 | SCM arg_list; | |
406c7d90 | 79 | if (scm_gc_running_p) |
ef18914a MD |
80 | { |
81 | /* The error occured during GC --- abort */ | |
82 | fprintf (stderr, "Error in %s during GC: %s\n", | |
83 | subr ? subr : "unknown function", | |
84 | message ? message : "<empty message>"); | |
85 | abort (); | |
86 | } | |
1afff620 KN |
87 | arg_list = scm_list_4 (subr ? scm_makfrom0str (subr) : SCM_BOOL_F, |
88 | message ? scm_makfrom0str (message) : SCM_BOOL_F, | |
89 | args, | |
90 | rest); | |
7cb1d4d3 GH |
91 | scm_ithrow (key, arg_list, 1); |
92 | ||
93 | /* No return, but just in case: */ | |
5c11cc9d GH |
94 | { |
95 | const char msg[] = "guile:scm_error:scm_ithrow returned!\n"; | |
7cb1d4d3 | 96 | |
5c11cc9d GH |
97 | write (2, msg, (sizeof msg) - 1); |
98 | } | |
7cb1d4d3 GH |
99 | exit (1); |
100 | } | |
0f2d19dd | 101 | |
c37e0e55 | 102 | /* Scheme interface to scm_error. */ |
3b3b36dd | 103 | SCM_DEFINE (scm_error_scm, "scm-error", 5, 0, 0, |
1e6808ea MG |
104 | (SCM key, SCM subr, SCM message, SCM args, SCM data), |
105 | "Raise an error with key @var{key}. @var{subr} can be a string\n" | |
106 | "naming the procedure associated with the error, or @code{#f}.\n" | |
107 | "@var{message} is the error message string, possibly containing\n" | |
108 | "@code{~S} and @code{~A} escapes. When an error is reported,\n" | |
109 | "these are replaced by formatting the corresponding members of\n" | |
110 | "@var{args}: @code{~A} (was @code{%s} in older versions of\n" | |
111 | "Guile) formats using @code{display} and @code{~S} (was\n" | |
112 | "@code{%S}) formats using @code{write}. @var{data} is a list or\n" | |
113 | "@code{#f} depending on @var{key}: if @var{key} is\n" | |
114 | "@code{system-error} then it should be a list containing the\n" | |
115 | "Unix @code{errno} value; If @var{key} is @code{signal} then it\n" | |
116 | "should be a list containing the Unix signal number; otherwise\n" | |
117 | "it will usually be @code{#f}.") | |
1bbd0b84 | 118 | #define FUNC_NAME s_scm_error_scm |
c37e0e55 | 119 | { |
1bbd0b84 GB |
120 | char *szSubr; |
121 | char *szMessage; | |
a6d9e5ab DH |
122 | |
123 | SCM_VALIDATE_SYMBOL (1, key); | |
124 | ||
125 | if (SCM_FALSEP (subr)) | |
126 | { | |
127 | szSubr = NULL; | |
128 | } | |
129 | else if (SCM_SYMBOLP (subr)) | |
130 | { | |
131 | szSubr = SCM_SYMBOL_CHARS (subr); | |
132 | } | |
133 | else | |
134 | { | |
135 | SCM_VALIDATE_STRING (2, subr); | |
a6d9e5ab DH |
136 | szSubr = SCM_STRING_CHARS (subr); |
137 | } | |
138 | ||
139 | if (SCM_FALSEP (message)) | |
140 | { | |
141 | szMessage = NULL; | |
142 | } | |
143 | else | |
144 | { | |
145 | SCM_VALIDATE_STRING (2, message); | |
a6d9e5ab DH |
146 | szMessage = SCM_STRING_CHARS (message); |
147 | } | |
89958ad0 | 148 | |
1e6808ea | 149 | scm_error (key, szSubr, szMessage, args, data); |
c37e0e55 GH |
150 | /* not reached. */ |
151 | } | |
1bbd0b84 | 152 | #undef FUNC_NAME |
c37e0e55 | 153 | |
b4e15479 SJ |
154 | #ifdef __MINGW32__ |
155 | # include "win32-socket.h" | |
156 | # define SCM_I_STRERROR(err) \ | |
157 | ((err >= WSABASEERR) ? scm_i_socket_strerror (err) : strerror (err)) | |
158 | # define SCM_I_ERRNO() \ | |
159 | (errno ? errno : scm_i_socket_errno ()) | |
160 | #else | |
161 | # define SCM_I_STRERROR(err) strerror (err) | |
162 | # define SCM_I_ERRNO() errno | |
163 | #endif /* __MINGW32__ */ | |
164 | ||
a1ec6916 | 165 | SCM_DEFINE (scm_strerror, "strerror", 1, 0, 0, |
1bbd0b84 | 166 | (SCM err), |
1e6808ea MG |
167 | "Return the Unix error message corresponding to @var{err}, which\n" |
168 | "must be an integer value.") | |
1bbd0b84 | 169 | #define FUNC_NAME s_scm_strerror |
efb997f5 | 170 | { |
34d19ef6 | 171 | SCM_VALIDATE_INUM (1, err); |
b4e15479 | 172 | return scm_makfrom0str (SCM_I_STRERROR (SCM_INUM (err))); |
efb997f5 | 173 | } |
1bbd0b84 | 174 | #undef FUNC_NAME |
efb997f5 | 175 | |
a7f54aed | 176 | SCM_GLOBAL_SYMBOL (scm_system_error_key, "system-error"); |
52859adf | 177 | void |
1bbd0b84 | 178 | scm_syserror (const char *subr) |
52859adf | 179 | { |
b4e15479 | 180 | int save_errno = SCM_I_ERRNO (); |
1de052a7 | 181 | |
01f61221 | 182 | scm_error (scm_system_error_key, |
52859adf | 183 | subr, |
70d63753 | 184 | "~A", |
b4e15479 | 185 | scm_cons (scm_makfrom0str (SCM_I_STRERROR (save_errno)), SCM_EOL), |
1de052a7 | 186 | scm_cons (SCM_MAKINUM (save_errno), SCM_EOL)); |
52859adf GH |
187 | } |
188 | ||
189 | void | |
1bbd0b84 | 190 | scm_syserror_msg (const char *subr, const char *message, SCM args, int eno) |
52859adf | 191 | { |
01f61221 | 192 | scm_error (scm_system_error_key, |
52859adf GH |
193 | subr, |
194 | message, | |
195 | args, | |
5c11cc9d | 196 | scm_cons (SCM_MAKINUM (eno), SCM_EOL)); |
52859adf GH |
197 | } |
198 | ||
a7f54aed | 199 | SCM_GLOBAL_SYMBOL (scm_num_overflow_key, "numerical-overflow"); |
52859adf | 200 | void |
1bbd0b84 | 201 | scm_num_overflow (const char *subr) |
52859adf | 202 | { |
01f61221 | 203 | scm_error (scm_num_overflow_key, |
52859adf GH |
204 | subr, |
205 | "Numerical overflow", | |
206 | SCM_BOOL_F, | |
207 | SCM_BOOL_F); | |
208 | } | |
209 | ||
a7f54aed | 210 | SCM_GLOBAL_SYMBOL (scm_out_of_range_key, "out-of-range"); |
52859adf | 211 | void |
1bbd0b84 | 212 | scm_out_of_range (const char *subr, SCM bad_value) |
52859adf | 213 | { |
01f61221 | 214 | scm_error (scm_out_of_range_key, |
52859adf | 215 | subr, |
70d63753 | 216 | "Argument out of range: ~S", |
1afff620 | 217 | scm_list_1 (bad_value), |
52859adf GH |
218 | SCM_BOOL_F); |
219 | } | |
f5bf2977 | 220 | |
1e76143f GB |
221 | void |
222 | scm_out_of_range_pos (const char *subr, SCM bad_value, SCM pos) | |
223 | { | |
224 | scm_error (scm_out_of_range_key, | |
225 | subr, | |
70d63753 | 226 | "Argument ~S out of range: ~S", |
34d19ef6 | 227 | scm_list_2 (pos, bad_value), |
1e76143f GB |
228 | SCM_BOOL_F); |
229 | } | |
230 | ||
231 | ||
a7f54aed | 232 | SCM_GLOBAL_SYMBOL (scm_args_number_key, "wrong-number-of-args"); |
0f2d19dd | 233 | void |
1bbd0b84 | 234 | scm_wrong_num_args (SCM proc) |
f5bf2977 | 235 | { |
01f61221 | 236 | scm_error (scm_args_number_key, |
f5bf2977 | 237 | NULL, |
70d63753 | 238 | "Wrong number of arguments to ~A", |
1afff620 | 239 | scm_list_1 (proc), |
f5bf2977 GH |
240 | SCM_BOOL_F); |
241 | } | |
242 | ||
9f40cd87 DH |
243 | |
244 | void | |
245 | scm_error_num_args_subr (const char *subr) | |
246 | { | |
247 | scm_error (scm_args_number_key, | |
248 | NULL, | |
249 | "Wrong number of arguments to ~A", | |
1afff620 | 250 | scm_list_1 (scm_makfrom0str (subr)), |
9f40cd87 DH |
251 | SCM_BOOL_F); |
252 | } | |
253 | ||
254 | ||
a7f54aed | 255 | SCM_GLOBAL_SYMBOL (scm_arg_type_key, "wrong-type-arg"); |
f5bf2977 | 256 | void |
1bbd0b84 | 257 | scm_wrong_type_arg (const char *subr, int pos, SCM bad_value) |
f5bf2977 | 258 | { |
01f61221 | 259 | scm_error (scm_arg_type_key, |
f5bf2977 | 260 | subr, |
70d63753 GB |
261 | (pos == 0) ? "Wrong type argument: ~S" |
262 | : "Wrong type argument in position ~A: ~S", | |
1afff620 KN |
263 | (pos == 0) ? scm_list_1 (bad_value) |
264 | : scm_list_2 (SCM_MAKINUM (pos), bad_value), | |
f5bf2977 GH |
265 | SCM_BOOL_F); |
266 | } | |
267 | ||
b6791b2e GB |
268 | void |
269 | scm_wrong_type_arg_msg (const char *subr, int pos, SCM bad_value, const char *szMessage) | |
270 | { | |
271 | SCM msg = scm_makfrom0str(szMessage); | |
272 | if (pos == 0) { | |
273 | scm_error (scm_arg_type_key, | |
274 | subr, "Wrong type argument (expecting ~A): ~S", | |
1afff620 | 275 | scm_list_2 (msg, bad_value), |
b6791b2e GB |
276 | SCM_BOOL_F); |
277 | } else { | |
278 | scm_error (scm_arg_type_key, | |
279 | subr, | |
280 | "Wrong type argument in position ~A (expecting ~A): ~S", | |
1afff620 | 281 | scm_list_3 (SCM_MAKINUM (pos), msg, bad_value), |
b6791b2e GB |
282 | SCM_BOOL_F); |
283 | } | |
284 | } | |
285 | ||
286 | ||
a7f54aed | 287 | SCM_GLOBAL_SYMBOL (scm_memory_alloc_key, "memory-allocation-error"); |
f5bf2977 | 288 | void |
1bbd0b84 | 289 | scm_memory_error (const char *subr) |
f5bf2977 | 290 | { |
01f61221 | 291 | scm_error (scm_memory_alloc_key, |
f5bf2977 GH |
292 | subr, |
293 | "Memory allocation error", | |
294 | SCM_BOOL_F, | |
295 | SCM_BOOL_F); | |
296 | } | |
297 | ||
a7f54aed | 298 | SCM_GLOBAL_SYMBOL (scm_misc_error_key, "misc-error"); |
523f5266 | 299 | void |
1bbd0b84 | 300 | scm_misc_error (const char *subr, const char *message, SCM args) |
523f5266 GH |
301 | { |
302 | scm_error (scm_misc_error_key, subr, message, args, SCM_BOOL_F); | |
303 | } | |
304 | ||
0f2d19dd JB |
305 | void |
306 | scm_init_error () | |
0f2d19dd | 307 | { |
a0599745 MD |
308 | #include "libguile/cpp_err_symbols.c" |
309 | #include "libguile/error.x" | |
0f2d19dd JB |
310 | } |
311 | ||
89e00824 ML |
312 | |
313 | /* | |
314 | Local Variables: | |
315 | c-file-style: "gnu" | |
316 | End: | |
317 | */ |