Commit | Line | Data |
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9f40cd87 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd JB |
19 | \f |
20 | ||
4600886f RB |
21 | #if HAVE_CONFIG_H |
22 | # include <config.h> | |
23 | #endif | |
24 | ||
0f2d19dd | 25 | #include <stdio.h> |
e6e2e95a | 26 | #include <errno.h> |
bd9e24b3 | 27 | |
a0599745 MD |
28 | #include "libguile/_scm.h" |
29 | #include "libguile/pairs.h" | |
30 | #include "libguile/strings.h" | |
31 | #include "libguile/throw.h" | |
20e6290e | 32 | |
a0599745 MD |
33 | #include "libguile/validate.h" |
34 | #include "libguile/error.h" | |
0f2d19dd | 35 | |
bd9e24b3 GH |
36 | #ifdef HAVE_STRING_H |
37 | #include <string.h> | |
38 | #endif | |
95b88819 GH |
39 | #ifdef HAVE_UNISTD_H |
40 | #include <unistd.h> | |
41 | #endif | |
7beabedb MG |
42 | |
43 | /* For Windows... */ | |
44 | #ifdef HAVE_IO_H | |
45 | #include <io.h> | |
46 | #endif | |
0f2d19dd JB |
47 | \f |
48 | ||
49 | \f | |
50 | /* {Errors and Exceptional Conditions} | |
51 | */ | |
52 | ||
0f2d19dd | 53 | |
c37e0e55 | 54 | /* All errors should pass through here. */ |
7cb1d4d3 | 55 | void |
1bbd0b84 | 56 | scm_error (SCM key, const char *subr, const char *message, SCM args, SCM rest) |
7cb1d4d3 GH |
57 | { |
58 | SCM arg_list; | |
406c7d90 | 59 | if (scm_gc_running_p) |
ef18914a MD |
60 | { |
61 | /* The error occured during GC --- abort */ | |
62 | fprintf (stderr, "Error in %s during GC: %s\n", | |
63 | subr ? subr : "unknown function", | |
64 | message ? message : "<empty message>"); | |
65 | abort (); | |
66 | } | |
1afff620 KN |
67 | arg_list = scm_list_4 (subr ? scm_makfrom0str (subr) : SCM_BOOL_F, |
68 | message ? scm_makfrom0str (message) : SCM_BOOL_F, | |
69 | args, | |
70 | rest); | |
7cb1d4d3 GH |
71 | scm_ithrow (key, arg_list, 1); |
72 | ||
73 | /* No return, but just in case: */ | |
5c11cc9d GH |
74 | { |
75 | const char msg[] = "guile:scm_error:scm_ithrow returned!\n"; | |
7cb1d4d3 | 76 | |
5c11cc9d GH |
77 | write (2, msg, (sizeof msg) - 1); |
78 | } | |
7cb1d4d3 GH |
79 | exit (1); |
80 | } | |
0f2d19dd | 81 | |
c37e0e55 | 82 | /* Scheme interface to scm_error. */ |
3b3b36dd | 83 | SCM_DEFINE (scm_error_scm, "scm-error", 5, 0, 0, |
1e6808ea MG |
84 | (SCM key, SCM subr, SCM message, SCM args, SCM data), |
85 | "Raise an error with key @var{key}. @var{subr} can be a string\n" | |
86 | "naming the procedure associated with the error, or @code{#f}.\n" | |
87 | "@var{message} is the error message string, possibly containing\n" | |
88 | "@code{~S} and @code{~A} escapes. When an error is reported,\n" | |
89 | "these are replaced by formatting the corresponding members of\n" | |
90 | "@var{args}: @code{~A} (was @code{%s} in older versions of\n" | |
91 | "Guile) formats using @code{display} and @code{~S} (was\n" | |
92 | "@code{%S}) formats using @code{write}. @var{data} is a list or\n" | |
93 | "@code{#f} depending on @var{key}: if @var{key} is\n" | |
94 | "@code{system-error} then it should be a list containing the\n" | |
95 | "Unix @code{errno} value; If @var{key} is @code{signal} then it\n" | |
96 | "should be a list containing the Unix signal number; otherwise\n" | |
97 | "it will usually be @code{#f}.") | |
1bbd0b84 | 98 | #define FUNC_NAME s_scm_error_scm |
c37e0e55 | 99 | { |
1bbd0b84 GB |
100 | char *szSubr; |
101 | char *szMessage; | |
a6d9e5ab DH |
102 | |
103 | SCM_VALIDATE_SYMBOL (1, key); | |
104 | ||
7888309b | 105 | if (scm_is_false (subr)) |
a6d9e5ab DH |
106 | { |
107 | szSubr = NULL; | |
108 | } | |
109 | else if (SCM_SYMBOLP (subr)) | |
110 | { | |
111 | szSubr = SCM_SYMBOL_CHARS (subr); | |
112 | } | |
113 | else | |
114 | { | |
115 | SCM_VALIDATE_STRING (2, subr); | |
a6d9e5ab DH |
116 | szSubr = SCM_STRING_CHARS (subr); |
117 | } | |
118 | ||
7888309b | 119 | if (scm_is_false (message)) |
a6d9e5ab DH |
120 | { |
121 | szMessage = NULL; | |
122 | } | |
123 | else | |
124 | { | |
125 | SCM_VALIDATE_STRING (2, message); | |
a6d9e5ab DH |
126 | szMessage = SCM_STRING_CHARS (message); |
127 | } | |
89958ad0 | 128 | |
1e6808ea | 129 | scm_error (key, szSubr, szMessage, args, data); |
c37e0e55 GH |
130 | /* not reached. */ |
131 | } | |
1bbd0b84 | 132 | #undef FUNC_NAME |
c37e0e55 | 133 | |
b4e15479 SJ |
134 | #ifdef __MINGW32__ |
135 | # include "win32-socket.h" | |
136 | # define SCM_I_STRERROR(err) \ | |
137 | ((err >= WSABASEERR) ? scm_i_socket_strerror (err) : strerror (err)) | |
138 | # define SCM_I_ERRNO() \ | |
139 | (errno ? errno : scm_i_socket_errno ()) | |
140 | #else | |
141 | # define SCM_I_STRERROR(err) strerror (err) | |
142 | # define SCM_I_ERRNO() errno | |
143 | #endif /* __MINGW32__ */ | |
144 | ||
a1ec6916 | 145 | SCM_DEFINE (scm_strerror, "strerror", 1, 0, 0, |
1bbd0b84 | 146 | (SCM err), |
1e6808ea MG |
147 | "Return the Unix error message corresponding to @var{err}, which\n" |
148 | "must be an integer value.") | |
1bbd0b84 | 149 | #define FUNC_NAME s_scm_strerror |
efb997f5 | 150 | { |
a55c2b68 | 151 | return scm_makfrom0str (SCM_I_STRERROR (scm_to_int (err))); |
efb997f5 | 152 | } |
1bbd0b84 | 153 | #undef FUNC_NAME |
efb997f5 | 154 | |
a7f54aed | 155 | SCM_GLOBAL_SYMBOL (scm_system_error_key, "system-error"); |
52859adf | 156 | void |
1bbd0b84 | 157 | scm_syserror (const char *subr) |
52859adf | 158 | { |
b4e15479 | 159 | int save_errno = SCM_I_ERRNO (); |
1de052a7 | 160 | |
01f61221 | 161 | scm_error (scm_system_error_key, |
52859adf | 162 | subr, |
70d63753 | 163 | "~A", |
b4e15479 | 164 | scm_cons (scm_makfrom0str (SCM_I_STRERROR (save_errno)), SCM_EOL), |
7888309b | 165 | scm_cons (scm_from_int (save_errno), SCM_EOL)); |
52859adf GH |
166 | } |
167 | ||
168 | void | |
1bbd0b84 | 169 | scm_syserror_msg (const char *subr, const char *message, SCM args, int eno) |
52859adf | 170 | { |
01f61221 | 171 | scm_error (scm_system_error_key, |
52859adf GH |
172 | subr, |
173 | message, | |
174 | args, | |
7888309b | 175 | scm_cons (scm_from_int (eno), SCM_EOL)); |
52859adf GH |
176 | } |
177 | ||
a7f54aed | 178 | SCM_GLOBAL_SYMBOL (scm_num_overflow_key, "numerical-overflow"); |
52859adf | 179 | void |
1bbd0b84 | 180 | scm_num_overflow (const char *subr) |
52859adf | 181 | { |
01f61221 | 182 | scm_error (scm_num_overflow_key, |
52859adf GH |
183 | subr, |
184 | "Numerical overflow", | |
185 | SCM_BOOL_F, | |
186 | SCM_BOOL_F); | |
187 | } | |
188 | ||
a7f54aed | 189 | SCM_GLOBAL_SYMBOL (scm_out_of_range_key, "out-of-range"); |
52859adf | 190 | void |
1bbd0b84 | 191 | scm_out_of_range (const char *subr, SCM bad_value) |
52859adf | 192 | { |
01f61221 | 193 | scm_error (scm_out_of_range_key, |
52859adf | 194 | subr, |
70d63753 | 195 | "Argument out of range: ~S", |
1afff620 | 196 | scm_list_1 (bad_value), |
52859adf GH |
197 | SCM_BOOL_F); |
198 | } | |
f5bf2977 | 199 | |
1e76143f GB |
200 | void |
201 | scm_out_of_range_pos (const char *subr, SCM bad_value, SCM pos) | |
202 | { | |
203 | scm_error (scm_out_of_range_key, | |
204 | subr, | |
70d63753 | 205 | "Argument ~S out of range: ~S", |
34d19ef6 | 206 | scm_list_2 (pos, bad_value), |
1e76143f GB |
207 | SCM_BOOL_F); |
208 | } | |
209 | ||
210 | ||
a7f54aed | 211 | SCM_GLOBAL_SYMBOL (scm_args_number_key, "wrong-number-of-args"); |
0f2d19dd | 212 | void |
1bbd0b84 | 213 | scm_wrong_num_args (SCM proc) |
f5bf2977 | 214 | { |
01f61221 | 215 | scm_error (scm_args_number_key, |
f5bf2977 | 216 | NULL, |
70d63753 | 217 | "Wrong number of arguments to ~A", |
1afff620 | 218 | scm_list_1 (proc), |
f5bf2977 GH |
219 | SCM_BOOL_F); |
220 | } | |
221 | ||
9f40cd87 DH |
222 | |
223 | void | |
224 | scm_error_num_args_subr (const char *subr) | |
225 | { | |
226 | scm_error (scm_args_number_key, | |
227 | NULL, | |
228 | "Wrong number of arguments to ~A", | |
1afff620 | 229 | scm_list_1 (scm_makfrom0str (subr)), |
9f40cd87 DH |
230 | SCM_BOOL_F); |
231 | } | |
232 | ||
233 | ||
a7f54aed | 234 | SCM_GLOBAL_SYMBOL (scm_arg_type_key, "wrong-type-arg"); |
f5bf2977 | 235 | void |
1bbd0b84 | 236 | scm_wrong_type_arg (const char *subr, int pos, SCM bad_value) |
f5bf2977 | 237 | { |
01f61221 | 238 | scm_error (scm_arg_type_key, |
f5bf2977 | 239 | subr, |
70d63753 GB |
240 | (pos == 0) ? "Wrong type argument: ~S" |
241 | : "Wrong type argument in position ~A: ~S", | |
1afff620 | 242 | (pos == 0) ? scm_list_1 (bad_value) |
93ccaef0 | 243 | : scm_list_2 (SCM_I_MAKINUM (pos), bad_value), |
f5bf2977 GH |
244 | SCM_BOOL_F); |
245 | } | |
246 | ||
b6791b2e GB |
247 | void |
248 | scm_wrong_type_arg_msg (const char *subr, int pos, SCM bad_value, const char *szMessage) | |
249 | { | |
250 | SCM msg = scm_makfrom0str(szMessage); | |
251 | if (pos == 0) { | |
252 | scm_error (scm_arg_type_key, | |
253 | subr, "Wrong type argument (expecting ~A): ~S", | |
1afff620 | 254 | scm_list_2 (msg, bad_value), |
b6791b2e GB |
255 | SCM_BOOL_F); |
256 | } else { | |
257 | scm_error (scm_arg_type_key, | |
258 | subr, | |
259 | "Wrong type argument in position ~A (expecting ~A): ~S", | |
93ccaef0 | 260 | scm_list_3 (SCM_I_MAKINUM (pos), msg, bad_value), |
b6791b2e GB |
261 | SCM_BOOL_F); |
262 | } | |
263 | } | |
264 | ||
265 | ||
a7f54aed | 266 | SCM_GLOBAL_SYMBOL (scm_memory_alloc_key, "memory-allocation-error"); |
f5bf2977 | 267 | void |
1bbd0b84 | 268 | scm_memory_error (const char *subr) |
f5bf2977 | 269 | { |
01f61221 | 270 | scm_error (scm_memory_alloc_key, |
f5bf2977 GH |
271 | subr, |
272 | "Memory allocation error", | |
273 | SCM_BOOL_F, | |
274 | SCM_BOOL_F); | |
275 | } | |
276 | ||
a7f54aed | 277 | SCM_GLOBAL_SYMBOL (scm_misc_error_key, "misc-error"); |
523f5266 | 278 | void |
1bbd0b84 | 279 | scm_misc_error (const char *subr, const char *message, SCM args) |
523f5266 GH |
280 | { |
281 | scm_error (scm_misc_error_key, subr, message, args, SCM_BOOL_F); | |
282 | } | |
283 | ||
0f2d19dd JB |
284 | void |
285 | scm_init_error () | |
0f2d19dd | 286 | { |
a0599745 MD |
287 | #include "libguile/cpp_err_symbols.c" |
288 | #include "libguile/error.x" | |
0f2d19dd JB |
289 | } |
290 | ||
89e00824 ML |
291 | |
292 | /* | |
293 | Local Variables: | |
294 | c-file-style: "gnu" | |
295 | End: | |
296 | */ |