Commit | Line | Data |
---|---|---|
7dc6e754 | 1 | /* Copyright (C) 1995,1996,1997,1998 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. */ |
0f2d19dd JB |
41 | \f |
42 | ||
43 | #include <stdio.h> | |
44 | #include "_scm.h" | |
20e6290e JB |
45 | #include "pairs.h" |
46 | #include "genio.h" | |
47 | #include "throw.h" | |
48 | ||
49 | #include "error.h" | |
0f2d19dd | 50 | |
95b88819 GH |
51 | #ifdef HAVE_UNISTD_H |
52 | #include <unistd.h> | |
53 | #endif | |
0f2d19dd JB |
54 | \f |
55 | ||
56 | \f | |
57 | /* {Errors and Exceptional Conditions} | |
58 | */ | |
59 | ||
0f2d19dd | 60 | |
0f2d19dd | 61 | extern int errno; |
f5bf2977 | 62 | |
c37e0e55 | 63 | /* All errors should pass through here. */ |
7cb1d4d3 GH |
64 | void |
65 | scm_error (key, subr, message, args, rest) | |
66 | SCM key; | |
3eeba8d4 JB |
67 | const char *subr; |
68 | const char *message; | |
7cb1d4d3 GH |
69 | SCM args; |
70 | SCM rest; | |
71 | { | |
72 | SCM arg_list; | |
f5bf2977 | 73 | arg_list = scm_listify (subr ? scm_makfrom0str (subr) : SCM_BOOL_F, |
b59b97ba | 74 | message ? scm_makfrom0str (message) : SCM_BOOL_F, |
7cb1d4d3 GH |
75 | args, |
76 | rest, | |
77 | SCM_UNDEFINED); | |
78 | scm_ithrow (key, arg_list, 1); | |
79 | ||
80 | /* No return, but just in case: */ | |
81 | ||
89958ad0 JB |
82 | write (2, "unhandled system error\n", |
83 | sizeof ("unhandled system error\n") - 1); | |
7cb1d4d3 GH |
84 | exit (1); |
85 | } | |
0f2d19dd | 86 | |
c37e0e55 GH |
87 | /* Scheme interface to scm_error. */ |
88 | SCM_PROC(s_error_scm, "scm-error", 5, 0, 0, scm_error_scm); | |
89 | SCM | |
90 | scm_error_scm (key, subr, message, args, rest) | |
91 | SCM key; | |
92 | SCM subr; | |
93 | SCM message; | |
94 | SCM args; | |
95 | SCM rest; | |
96 | { | |
97 | SCM_ASSERT (SCM_NIMP (key) && SCM_SYMBOLP (key), key, SCM_ARG1, s_error_scm); | |
98 | SCM_ASSERT (SCM_FALSEP (subr) || (SCM_NIMP (subr) && SCM_ROSTRINGP (subr)), | |
99 | subr, SCM_ARG2, s_error_scm); | |
100 | SCM_ASSERT (SCM_FALSEP (message) | |
101 | || (SCM_NIMP (message) && SCM_ROSTRINGP (message)), | |
102 | message, SCM_ARG3, s_error_scm); | |
103 | ||
89958ad0 JB |
104 | SCM_COERCE_SUBSTR (message); |
105 | ||
c37e0e55 GH |
106 | scm_error (key, |
107 | (SCM_FALSEP (subr)) ? NULL : SCM_ROCHARS (subr), | |
108 | (SCM_FALSEP (message)) ? NULL : SCM_ROCHARS (message), | |
109 | args, | |
110 | rest); | |
111 | /* not reached. */ | |
112 | } | |
113 | ||
efb997f5 GH |
114 | SCM_PROC (s_strerror, "strerror", 1, 0, 0, scm_strerror); |
115 | SCM | |
116 | scm_strerror (SCM err) | |
117 | { | |
118 | SCM_ASSERT (SCM_INUMP (err), err, SCM_ARG1, s_strerror); | |
119 | return scm_makfrom0str (strerror (SCM_INUM (err))); | |
120 | } | |
121 | ||
523f5266 | 122 | SCM_SYMBOL (scm_system_error_key, "system-error"); |
52859adf GH |
123 | void |
124 | scm_syserror (subr) | |
3eeba8d4 | 125 | const char *subr; |
52859adf | 126 | { |
01f61221 | 127 | scm_error (scm_system_error_key, |
52859adf | 128 | subr, |
f5bf2977 | 129 | "%s", |
52859adf GH |
130 | scm_listify (scm_makfrom0str (strerror (errno)), |
131 | SCM_UNDEFINED), | |
132 | scm_listify (SCM_MAKINUM (errno), SCM_UNDEFINED)); | |
133 | } | |
134 | ||
135 | void | |
3d8d56df | 136 | scm_syserror_msg (subr, message, args, eno) |
3eeba8d4 JB |
137 | const char *subr; |
138 | const char *message; | |
52859adf | 139 | SCM args; |
3d8d56df | 140 | int eno; |
52859adf | 141 | { |
01f61221 | 142 | scm_error (scm_system_error_key, |
52859adf GH |
143 | subr, |
144 | message, | |
145 | args, | |
3d8d56df | 146 | scm_listify (SCM_MAKINUM (eno), SCM_UNDEFINED)); |
52859adf GH |
147 | } |
148 | ||
149 | void | |
150 | scm_sysmissing (subr) | |
3eeba8d4 | 151 | const char *subr; |
52859adf GH |
152 | { |
153 | #ifdef ENOSYS | |
01f61221 | 154 | scm_error (scm_system_error_key, |
52859adf | 155 | subr, |
f5bf2977 | 156 | "%s", |
52859adf GH |
157 | scm_listify (scm_makfrom0str (strerror (ENOSYS)), SCM_UNDEFINED), |
158 | scm_listify (SCM_MAKINUM (ENOSYS), SCM_UNDEFINED)); | |
159 | #else | |
01f61221 | 160 | scm_error (scm_system_error_key, |
52859adf GH |
161 | subr, |
162 | "Missing function", | |
163 | SCM_BOOL_F, | |
164 | scm_listify (SCM_MAKINUM (0), SCM_UNDEFINED)); | |
165 | #endif | |
166 | } | |
167 | ||
523f5266 | 168 | SCM_SYMBOL (scm_num_overflow_key, "numerical-overflow"); |
52859adf GH |
169 | void |
170 | scm_num_overflow (subr) | |
3eeba8d4 | 171 | const char *subr; |
52859adf | 172 | { |
01f61221 | 173 | scm_error (scm_num_overflow_key, |
52859adf GH |
174 | subr, |
175 | "Numerical overflow", | |
176 | SCM_BOOL_F, | |
177 | SCM_BOOL_F); | |
178 | } | |
179 | ||
523f5266 | 180 | SCM_SYMBOL (scm_out_of_range_key, "out-of-range"); |
52859adf GH |
181 | void |
182 | scm_out_of_range (subr, bad_value) | |
3eeba8d4 | 183 | const char *subr; |
52859adf GH |
184 | SCM bad_value; |
185 | { | |
01f61221 | 186 | scm_error (scm_out_of_range_key, |
52859adf GH |
187 | subr, |
188 | "Argument out of range: %S", | |
189 | scm_listify (bad_value, SCM_UNDEFINED), | |
190 | SCM_BOOL_F); | |
191 | } | |
f5bf2977 | 192 | |
523f5266 | 193 | SCM_SYMBOL (scm_args_number_key, "wrong-number-of-args"); |
0f2d19dd | 194 | void |
f5bf2977 GH |
195 | scm_wrong_num_args (proc) |
196 | SCM proc; | |
197 | { | |
01f61221 | 198 | scm_error (scm_args_number_key, |
f5bf2977 GH |
199 | NULL, |
200 | "Wrong number of arguments to %s", | |
201 | scm_listify (proc, SCM_UNDEFINED), | |
202 | SCM_BOOL_F); | |
203 | } | |
204 | ||
523f5266 | 205 | SCM_SYMBOL (scm_arg_type_key, "wrong-type-arg"); |
f5bf2977 GH |
206 | void |
207 | scm_wrong_type_arg (subr, pos, bad_value) | |
3eeba8d4 | 208 | const char *subr; |
f5bf2977 GH |
209 | int pos; |
210 | SCM bad_value; | |
211 | { | |
01f61221 | 212 | scm_error (scm_arg_type_key, |
f5bf2977 GH |
213 | subr, |
214 | (pos == 0) ? "Wrong type argument: %S" | |
215 | : "Wrong type argument in position %s: %S", | |
216 | (pos == 0) ? scm_listify (bad_value, SCM_UNDEFINED) | |
217 | : scm_listify (SCM_MAKINUM (pos), bad_value, SCM_UNDEFINED), | |
218 | SCM_BOOL_F); | |
219 | } | |
220 | ||
523f5266 | 221 | SCM_SYMBOL (scm_memory_alloc_key, "memory-allocation-error"); |
f5bf2977 GH |
222 | void |
223 | scm_memory_error (subr) | |
3eeba8d4 | 224 | const char *subr; |
f5bf2977 | 225 | { |
01f61221 | 226 | scm_error (scm_memory_alloc_key, |
f5bf2977 GH |
227 | subr, |
228 | "Memory allocation error", | |
229 | SCM_BOOL_F, | |
230 | SCM_BOOL_F); | |
231 | } | |
232 | ||
523f5266 GH |
233 | SCM_SYMBOL (scm_misc_error_key, "misc-error"); |
234 | void | |
235 | scm_misc_error (subr, message, args) | |
3eeba8d4 JB |
236 | const char *subr; |
237 | const char *message; | |
523f5266 GH |
238 | SCM args; |
239 | { | |
240 | scm_error (scm_misc_error_key, subr, message, args, SCM_BOOL_F); | |
241 | } | |
242 | ||
f5bf2977 GH |
243 | /* implements the SCM_ASSERT interface. */ |
244 | SCM | |
245 | scm_wta (arg, pos, s_subr) | |
246 | SCM arg; | |
3eeba8d4 JB |
247 | const char *pos; |
248 | const char *s_subr; | |
f5bf2977 GH |
249 | { |
250 | if (!s_subr || !*s_subr) | |
251 | s_subr = NULL; | |
252 | if ((~0x1fL) & (long) pos) | |
253 | { | |
254 | /* error string supplied. */ | |
b1edcd36 | 255 | scm_misc_error (s_subr, pos, SCM_EOL); |
f5bf2977 GH |
256 | } |
257 | else | |
258 | { | |
259 | /* numerical error code. */ | |
260 | int error = (long) pos; | |
261 | ||
262 | switch (error) | |
263 | { | |
264 | case SCM_ARGn: | |
265 | scm_wrong_type_arg (s_subr, 0, arg); | |
266 | case SCM_ARG1: | |
267 | scm_wrong_type_arg (s_subr, 1, arg); | |
268 | case SCM_ARG2: | |
269 | scm_wrong_type_arg (s_subr, 2, arg); | |
270 | case SCM_ARG3: | |
271 | scm_wrong_type_arg (s_subr, 3, arg); | |
272 | case SCM_ARG4: | |
273 | scm_wrong_type_arg (s_subr, 4, arg); | |
274 | case SCM_ARG5: | |
275 | scm_wrong_type_arg (s_subr, 5, arg); | |
3d9352fb MD |
276 | case SCM_ARG6: |
277 | scm_wrong_type_arg (s_subr, 6, arg); | |
278 | case SCM_ARG7: | |
279 | scm_wrong_type_arg (s_subr, 7, arg); | |
f5bf2977 GH |
280 | case SCM_WNA: |
281 | scm_wrong_num_args (arg); | |
282 | case SCM_OUTOFRANGE: | |
283 | scm_out_of_range (s_subr, arg); | |
284 | case SCM_NALLOC: | |
285 | scm_memory_error (s_subr); | |
286 | default: | |
287 | /* this shouldn't happen. */ | |
b1edcd36 | 288 | scm_misc_error (s_subr, "Unknown error", SCM_EOL); |
f5bf2977 GH |
289 | } |
290 | } | |
291 | return SCM_UNSPECIFIED; | |
292 | } | |
293 | ||
294 | /* obsolete interface: scm_everr (exp, env, arg, pos, s_subr) | |
295 | was equivalent to scm_wta (arg, pos, s_subr) */ | |
296 | ||
0f2d19dd JB |
297 | void |
298 | scm_init_error () | |
0f2d19dd | 299 | { |
67ec3667 | 300 | #include "cpp_err_symbols.c" |
0f2d19dd JB |
301 | #include "error.x" |
302 | } | |
303 |