Mercurial > octave
annotate libinterp/corefcn/error.cc @ 18794:03c2671493f9
maint: Periodic merge of gui-release to default.
author | Rik <rik@octave.org> |
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date | Mon, 02 Jun 2014 11:17:59 -0700 |
parents | bd334b6af257 |
children | d4a920d28242 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2013 John W. Eaton |
1 | 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. | |
1 | 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/>. | |
1 | 20 |
21 */ | |
22 | |
240 | 23 #ifdef HAVE_CONFIG_H |
1192 | 24 #include <config.h> |
1 | 25 #endif |
26 | |
1343 | 27 #include <cstdarg> |
1633 | 28 #include <cstring> |
1343 | 29 |
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30 #include <iostream> |
5765 | 31 #include <sstream> |
1728 | 32 #include <string> |
33 | |
1352 | 34 #include "defun.h" |
1 | 35 #include "error.h" |
3707 | 36 #include "input.h" |
1742 | 37 #include "pager.h" |
1352 | 38 #include "oct-obj.h" |
5567 | 39 #include "oct-map.h" |
1352 | 40 #include "utils.h" |
2370 | 41 #include "ov.h" |
3707 | 42 #include "ov-usr-fcn.h" |
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43 #include "pt-eval.h" |
3707 | 44 #include "pt-pr-code.h" |
45 #include "pt-stmt.h" | |
46 #include "toplev.h" | |
47 #include "unwind-prot.h" | |
2370 | 48 #include "variables.h" |
1 | 49 |
2174 | 50 // TRUE means that Octave will try to beep obnoxiously before printing |
51 // error messages. | |
5794 | 52 static bool Vbeep_on_error = false; |
2174 | 53 |
3707 | 54 // TRUE means that Octave will try to enter the debugger when an error |
55 // is encountered. This will also inhibit printing of the normal | |
56 // traceback message (you will only see the top-level error message). | |
7353 | 57 bool Vdebug_on_error = false; |
3707 | 58 |
59 // TRUE means that Octave will try to enter the debugger when a warning | |
60 // is encountered. | |
7353 | 61 bool Vdebug_on_warning = false; |
3707 | 62 |
5567 | 63 // TRUE means that Octave will try to display a stack trace when a |
64 // warning is encountered. | |
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65 static bool Vbacktrace_on_warning = true; |
5567 | 66 |
67 // TRUE means that Octave will print a verbose warning. Currently unused. | |
68 static bool Vverbose_warning; | |
69 | |
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70 // TRUE means that Octave will print no warnings, but lastwarn will be updated |
5582 | 71 static bool Vquiet_warning = false; |
72 | |
5567 | 73 // A structure containing (most of) the current state of warnings. |
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74 static octave_map warning_options; |
5567 | 75 |
3935 | 76 // The text of the last error message. |
77 static std::string Vlast_error_message; | |
78 | |
3934 | 79 // The text of the last warning message. |
80 static std::string Vlast_warning_message; | |
81 | |
5567 | 82 // The last warning message id. |
83 static std::string Vlast_warning_id; | |
3934 | 84 |
5567 | 85 // The last error message id. |
86 static std::string Vlast_error_id; | |
3934 | 87 |
6361 | 88 // The last file in which an error occured |
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89 static octave_map Vlast_error_stack; |
6361 | 90 |
143 | 91 // Current error state. |
3935 | 92 // |
93 // Valid values: | |
94 // | |
95 // -2: an error has occurred, but don't print any messages. | |
96 // -1: an error has occurred, we are printing a traceback | |
97 // 0: no error | |
98 // 1: an error has occurred | |
99 // | |
672 | 100 int error_state = 0; |
101 | |
3489 | 102 // Current warning state. |
3935 | 103 // |
104 // Valid values: | |
105 // | |
106 // 0: no warning | |
107 // 1: a warning has occurred | |
108 // | |
3489 | 109 int warning_state = 0; |
110 | |
1489 | 111 // Tell the error handler whether to print messages, or just store |
112 // them for later. Used for handling errors in eval() and | |
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113 // the 'unwind_protect' statement. |
4699 | 114 int buffer_error_messages = 0; |
1489 | 115 |
3815 | 116 // TRUE means error messages are turned off. |
117 bool discard_error_messages = false; | |
118 | |
4452 | 119 // TRUE means warning messages are turned off. |
120 bool discard_warning_messages = false; | |
121 | |
4318 | 122 void |
123 reset_error_handler (void) | |
124 { | |
125 error_state = 0; | |
126 warning_state = 0; | |
4699 | 127 buffer_error_messages = 0; |
4318 | 128 discard_error_messages = false; |
129 } | |
130 | |
5567 | 131 static void |
5794 | 132 initialize_warning_options (const std::string& state) |
5567 | 133 { |
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134 octave_scalar_map initw; |
5567 | 135 |
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136 initw.setfield ("identifier", "all"); |
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137 initw.setfield ("state", state); |
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138 |
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139 warning_options = initw; |
5567 | 140 } |
141 | |
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142 static octave_map |
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143 initialize_last_error_stack (void) |
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144 { |
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145 return octave_call_stack::empty_backtrace (); |
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146 } |
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147 |
3491 | 148 // Warning messages are never buffered. |
149 | |
150 static void | |
5567 | 151 vwarning (const char *name, const char *id, const char *fmt, va_list args) |
3491 | 152 { |
4452 | 153 if (discard_warning_messages) |
154 return; | |
155 | |
3491 | 156 flush_octave_stdout (); |
157 | |
5765 | 158 std::ostringstream output_buf; |
3491 | 159 |
160 if (name) | |
3761 | 161 output_buf << name << ": "; |
162 | |
163 octave_vformat (output_buf, fmt, args); | |
164 | |
5765 | 165 output_buf << std::endl; |
3491 | 166 |
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167 // FIXME: we really want to capture the message before it has all the |
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168 // formatting goop attached to it. We probably also want just the |
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169 // message, not the traceback information. |
3935 | 170 |
5765 | 171 std::string msg_string = output_buf.str (); |
3934 | 172 |
3935 | 173 if (! warning_state) |
174 { | |
175 // This is the first warning in a possible series. | |
5567 | 176 |
177 Vlast_warning_id = id; | |
3935 | 178 Vlast_warning_message = msg_string; |
179 } | |
3934 | 180 |
5582 | 181 if (! Vquiet_warning) |
182 { | |
183 octave_diary << msg_string; | |
3935 | 184 |
5582 | 185 std::cerr << msg_string; |
186 } | |
3491 | 187 } |
188 | |
1 | 189 static void |
4732 | 190 verror (bool save_last_error, std::ostream& os, |
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191 const char *name, const char *id, const char *fmt, va_list args, |
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192 bool with_cfn = false) |
1 | 193 { |
3815 | 194 if (discard_error_messages) |
195 return; | |
196 | |
3585 | 197 if (! buffer_error_messages) |
198 flush_octave_stdout (); | |
914 | 199 |
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200 // FIXME: we really want to capture the message before it has all the |
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201 // formatting goop attached to it. We probably also want just the |
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202 // message, not the traceback information. |
3935 | 203 |
7877 | 204 std::ostringstream output_buf; |
205 | |
206 octave_vformat (output_buf, fmt, args); | |
207 | |
208 std::string base_msg = output_buf.str (); | |
209 | |
210 bool to_beep_or_not_to_beep_p = Vbeep_on_error && ! error_state; | |
211 | |
212 std::string msg_string; | |
213 | |
214 if (to_beep_or_not_to_beep_p) | |
215 msg_string = "\a"; | |
216 | |
217 if (name) | |
218 msg_string += std::string (name) + ": "; | |
219 | |
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220 // If with_fcn is specified, we'll attempt to prefix the message with the name |
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221 // of the current executing function. But we'll do so only if: |
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222 // 1. the name is not empty (anonymous function) |
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223 // 2. it is not already there (including the following colon) |
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224 if (with_cfn) |
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225 { |
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226 octave_function *curfcn = octave_call_stack::current (); |
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227 if (curfcn) |
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228 { |
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229 std::string cfn = curfcn->name (); |
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230 if (! cfn.empty ()) |
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231 { |
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232 cfn += ':'; |
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233 if (cfn.length () > base_msg.length () |
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234 || base_msg.compare (0, cfn.length (), cfn) != 0) |
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235 { |
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236 msg_string += cfn + ' '; |
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237 } |
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238 } |
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239 } |
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240 } |
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241 |
7880 | 242 msg_string += base_msg + "\n"; |
3935 | 243 |
4731 | 244 if (! error_state && save_last_error) |
3935 | 245 { |
246 // This is the first error in a possible series. | |
5567 | 247 |
248 Vlast_error_id = id; | |
7877 | 249 Vlast_error_message = base_msg; |
6361 | 250 |
7877 | 251 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
6361 | 252 |
7877 | 253 if (fcn) |
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254 { |
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255 octave_idx_type curr_frame = -1; |
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256 |
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257 Vlast_error_stack = octave_call_stack::backtrace (0, curr_frame); |
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258 } |
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259 else |
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260 Vlast_error_stack = initialize_last_error_stack (); |
3935 | 261 } |
262 | |
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263 if (! buffer_error_messages) |
1489 | 264 { |
3935 | 265 octave_diary << msg_string; |
4732 | 266 os << msg_string; |
1489 | 267 } |
1 | 268 } |
269 | |
1266 | 270 // Note that we don't actually print any message if the error string |
271 // is just "" or "\n". This allows error ("") and error ("\n") to | |
272 // just set the error state. | |
273 | |
1005 | 274 static void |
5567 | 275 error_1 (std::ostream& os, const char *name, const char *id, |
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276 const char *fmt, va_list args, bool with_cfn = false) |
1005 | 277 { |
278 if (error_state != -2) | |
279 { | |
1489 | 280 if (fmt) |
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281 { |
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282 if (*fmt) |
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283 { |
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284 size_t len = strlen (fmt); |
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285 |
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286 if (len > 0) |
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287 { |
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288 if (fmt[len - 1] == '\n') |
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289 { |
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290 if (len > 1) |
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291 { |
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292 char *tmp_fmt = strsave (fmt); |
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293 tmp_fmt[len - 1] = '\0'; |
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294 verror (true, os, name, id, tmp_fmt, args, with_cfn); |
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295 delete [] tmp_fmt; |
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296 } |
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297 |
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298 error_state = -2; |
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299 } |
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300 else |
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301 { |
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302 verror (true, os, name, id, fmt, args, with_cfn); |
1423 | 303 |
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304 if (! error_state) |
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305 error_state = 1; |
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306 } |
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307 } |
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308 } |
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309 } |
1489 | 310 else |
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311 panic ("error_1: invalid format"); |
1005 | 312 } |
313 } | |
314 | |
1 | 315 void |
6338 | 316 vmessage (const char *name, const char *fmt, va_list args) |
317 { | |
318 verror (false, std::cerr, name, "", fmt, args); | |
319 } | |
320 | |
321 void | |
1 | 322 message (const char *name, const char *fmt, ...) |
323 { | |
324 va_list args; | |
325 va_start (args, fmt); | |
6338 | 326 vmessage (name, fmt, args); |
1 | 327 va_end (args); |
328 } | |
329 | |
330 void | |
6338 | 331 vmessage_with_id (const char *name, const char *id, const char *fmt, |
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332 va_list args) |
6338 | 333 { |
334 verror (false, std::cerr, name, id, fmt, args); | |
335 } | |
336 | |
337 void | |
5567 | 338 message_with_id (const char *name, const char *id, const char *fmt, ...) |
339 { | |
340 va_list args; | |
341 va_start (args, fmt); | |
6338 | 342 vmessage_with_id (name, id, fmt, args); |
5567 | 343 va_end (args); |
344 } | |
345 | |
346 void | |
347 usage_1 (const char *id, const char *fmt, va_list args) | |
348 { | |
349 verror (true, std::cerr, "usage", id, fmt, args); | |
350 error_state = -1; | |
351 } | |
352 | |
353 void | |
6338 | 354 vusage (const char *fmt, va_list args) |
355 { | |
356 usage_1 ("", fmt, args); | |
357 } | |
358 | |
359 void | |
1 | 360 usage (const char *fmt, ...) |
361 { | |
362 va_list args; | |
363 va_start (args, fmt); | |
6338 | 364 vusage (fmt, args); |
5567 | 365 va_end (args); |
366 } | |
367 | |
368 void | |
6338 | 369 vusage_with_id (const char *id, const char *fmt, va_list args) |
370 { | |
371 usage_1 (id, fmt, args); | |
372 } | |
373 | |
374 void | |
5567 | 375 usage_with_id (const char *id, const char *fmt, ...) |
376 { | |
377 va_list args; | |
378 va_start (args, fmt); | |
6338 | 379 vusage_with_id (id, fmt, args); |
1 | 380 va_end (args); |
381 } | |
382 | |
3707 | 383 static void |
3719 | 384 pr_where_2 (const char *fmt, va_list args) |
385 { | |
386 if (fmt) | |
387 { | |
388 if (*fmt) | |
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389 { |
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390 size_t len = strlen (fmt); |
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391 |
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392 if (len > 0) |
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393 { |
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394 if (fmt[len - 1] == '\n') |
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395 { |
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396 if (len > 1) |
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397 { |
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398 char *tmp_fmt = strsave (fmt); |
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399 tmp_fmt[len - 1] = '\0'; |
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400 verror (false, std::cerr, 0, "", tmp_fmt, args); |
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401 delete [] tmp_fmt; |
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402 } |
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403 } |
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404 else |
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405 verror (false, std::cerr, 0, "", fmt, args); |
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406 } |
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407 } |
3719 | 408 } |
409 else | |
410 panic ("pr_where_2: invalid format"); | |
411 } | |
412 | |
413 static void | |
3707 | 414 pr_where_1 (const char *fmt, ...) |
415 { | |
416 va_list args; | |
417 va_start (args, fmt); | |
3719 | 418 pr_where_2 (fmt, args); |
3707 | 419 va_end (args); |
420 } | |
421 | |
422 static void | |
8973 | 423 pr_where (const char *who) |
3707 | 424 { |
8973 | 425 octave_idx_type curr_frame = -1; |
3707 | 426 |
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427 octave_map stk = octave_call_stack::backtrace (0, curr_frame); |
4976 | 428 |
8973 | 429 octave_idx_type nframes_to_display = stk.numel (); |
4976 | 430 |
8973 | 431 if (nframes_to_display > 0) |
432 { | |
433 pr_where_1 ("%s: called from\n", who); | |
3708 | 434 |
8973 | 435 Cell names = stk.contents ("name"); |
436 Cell lines = stk.contents ("line"); | |
437 Cell columns = stk.contents ("column"); | |
3707 | 438 |
8973 | 439 for (octave_idx_type i = 0; i < nframes_to_display; i++) |
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440 { |
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441 octave_value name = names(i); |
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442 octave_value line = lines(i); |
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443 octave_value column = columns(i); |
3707 | 444 |
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445 std::string nm = name.string_value (); |
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446 |
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447 pr_where_1 (" %s at line %d column %d\n", nm.c_str (), |
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448 line.int_value (), column.int_value ()); |
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449 } |
3707 | 450 } |
451 } | |
452 | |
6000 | 453 static void |
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454 error_2 (const char *id, const char *fmt, va_list args, bool with_cfn = false) |
6000 | 455 { |
456 int init_state = error_state; | |
457 | |
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458 error_1 (std::cerr, "error", id, fmt, args, with_cfn); |
6000 | 459 |
460 if ((interactive || forced_interactive) | |
461 && Vdebug_on_error && init_state == 0 | |
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462 && octave_call_stack::caller_user_code ()) |
6000 | 463 { |
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464 unwind_protect frame; |
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465 frame.protect_var (Vdebug_on_error); |
6000 | 466 Vdebug_on_error = false; |
467 | |
8973 | 468 error_state = 0; |
6000 | 469 |
8973 | 470 pr_where ("error"); |
6000 | 471 |
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472 tree_evaluator::debug_mode = true; |
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473 |
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474 tree_evaluator::current_frame = octave_call_stack::current_frame (); |
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475 |
6000 | 476 do_keyboard (octave_value_list ()); |
477 } | |
478 } | |
479 | |
480 void | |
6338 | 481 verror (const char *fmt, va_list args) |
482 { | |
483 error_2 ("", fmt, args); | |
484 } | |
485 | |
486 void | |
6000 | 487 error (const char *fmt, ...) |
488 { | |
489 va_list args; | |
490 va_start (args, fmt); | |
6338 | 491 verror (fmt, args); |
6000 | 492 va_end (args); |
493 } | |
494 | |
495 void | |
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496 verror_with_cfn (const char *fmt, va_list args) |
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497 { |
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498 error_2 ("", fmt, args, true); |
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499 } |
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500 |
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501 void |
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502 error_with_cfn (const char *fmt, ...) |
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503 { |
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504 va_list args; |
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505 va_start (args, fmt); |
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506 verror_with_cfn (fmt, args); |
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507 va_end (args); |
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508 } |
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509 |
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510 void |
6338 | 511 verror_with_id (const char *id, const char *fmt, va_list args) |
512 { | |
513 error_2 (id, fmt, args); | |
514 } | |
515 | |
516 void | |
6000 | 517 error_with_id (const char *id, const char *fmt, ...) |
518 { | |
519 va_list args; | |
520 va_start (args, fmt); | |
6338 | 521 verror_with_id (id, fmt, args); |
6000 | 522 va_end (args); |
523 } | |
524 | |
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525 void |
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526 verror_with_id_cfn (const char *id, const char *fmt, va_list args) |
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527 { |
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528 error_2 (id, fmt, args, true); |
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529 } |
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530 |
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531 void |
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532 error_with_id_cfn (const char *id, const char *fmt, ...) |
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533 { |
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534 va_list args; |
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535 va_start (args, fmt); |
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536 verror_with_id_cfn (id, fmt, args); |
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537 va_end (args); |
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538 } |
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539 |
5567 | 540 static int |
541 check_state (const std::string& state) | |
542 { | |
543 // -1: not found | |
544 // 0: found, "off" | |
545 // 1: found, "on" | |
546 // 2: found, "error" | |
547 | |
548 if (state == "off") | |
549 return 0; | |
550 else if (state == "on") | |
551 return 1; | |
552 else if (state == "error") | |
553 return 2; | |
554 else | |
555 return -1; | |
556 } | |
557 | |
558 // For given warning ID, return 0 if warnings are disabled, 1 if | |
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559 // enabled, and 2 if the given ID should be an error instead of a |
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560 // warning. |
5567 | 561 |
5781 | 562 int |
5567 | 563 warning_enabled (const std::string& id) |
1 | 564 { |
5567 | 565 int retval = 0; |
566 | |
567 int all_state = -1; | |
568 int id_state = -1; | |
569 | |
570 octave_idx_type nel = warning_options.numel (); | |
571 | |
572 if (nel > 0) | |
573 { | |
574 Cell identifier = warning_options.contents ("identifier"); | |
575 Cell state = warning_options.contents ("state"); | |
576 | |
577 bool all_found = false; | |
578 bool id_found = false; | |
579 | |
580 for (octave_idx_type i = 0; i < nel; i++) | |
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581 { |
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582 octave_value ov = identifier(i); |
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583 std::string ovs = ov.string_value (); |
5567 | 584 |
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585 if (! all_found && ovs == "all") |
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586 { |
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587 all_state = check_state (state(i).string_value ()); |
5567 | 588 |
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589 if (all_state >= 0) |
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590 all_found = true; |
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591 } |
5567 | 592 |
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593 if (! id_found && ovs == id) |
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594 { |
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595 id_state = check_state (state(i).string_value ()); |
5567 | 596 |
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597 if (id_state >= 0) |
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598 id_found = true; |
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599 } |
5567 | 600 |
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601 if (all_found && id_found) |
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602 break; |
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603 } |
5567 | 604 } |
605 | |
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606 // If "all" is not present, assume warnings are enabled. |
5567 | 607 if (all_state == -1) |
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608 all_state = 1; |
5567 | 609 |
610 if (all_state == 0) | |
611 { | |
612 if (id_state >= 0) | |
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613 retval = id_state; |
5567 | 614 } |
615 else if (all_state == 1) | |
616 { | |
617 if (id_state == 0 || id_state == 2) | |
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618 retval = id_state; |
5567 | 619 else |
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620 retval = all_state; |
5567 | 621 } |
622 else if (all_state == 2) | |
7206 | 623 { |
624 if (id_state == 0) | |
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625 retval= id_state; |
7206 | 626 else |
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627 retval = all_state; |
7206 | 628 } |
5567 | 629 |
630 return retval; | |
631 } | |
632 | |
633 static void | |
634 warning_1 (const char *id, const char *fmt, va_list args) | |
635 { | |
636 int warn_opt = warning_enabled (id); | |
637 | |
638 if (warn_opt == 2) | |
639 { | |
640 // Handle this warning as an error. | |
641 | |
5998 | 642 error_2 (id, fmt, args); |
5567 | 643 } |
644 else if (warn_opt == 1) | |
3934 | 645 { |
8973 | 646 vwarning ("warning", id, fmt, args); |
647 | |
648 if (! symbol_table::at_top_level () | |
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649 && Vbacktrace_on_warning |
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650 && ! warning_state |
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651 && ! discard_warning_messages) |
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652 pr_where ("warning"); |
3707 | 653 |
3935 | 654 warning_state = 1; |
655 | |
3934 | 656 if ((interactive || forced_interactive) |
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657 && Vdebug_on_warning |
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658 && octave_call_stack::caller_user_code ()) |
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659 { |
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660 unwind_protect frame; |
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661 frame.protect_var (Vdebug_on_warning); |
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662 Vdebug_on_warning = false; |
3707 | 663 |
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664 tree_evaluator::debug_mode = true; |
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665 |
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666 tree_evaluator::current_frame = octave_call_stack::current_frame (); |
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667 |
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668 do_keyboard (octave_value_list ()); |
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669 } |
3707 | 670 } |
1 | 671 } |
672 | |
673 void | |
6338 | 674 vwarning (const char *fmt, va_list args) |
675 { | |
676 warning_1 ("", fmt, args); | |
677 } | |
678 | |
679 void | |
5567 | 680 warning (const char *fmt, ...) |
681 { | |
682 va_list args; | |
683 va_start (args, fmt); | |
6338 | 684 vwarning (fmt, args); |
5567 | 685 va_end (args); |
686 } | |
687 | |
688 void | |
6338 | 689 vwarning_with_id (const char *id, const char *fmt, va_list args) |
690 { | |
691 warning_1 (id, fmt, args); | |
692 } | |
693 | |
694 void | |
5567 | 695 warning_with_id (const char *id, const char *fmt, ...) |
696 { | |
697 va_list args; | |
698 va_start (args, fmt); | |
6338 | 699 vwarning_with_id (id, fmt, args); |
5567 | 700 va_end (args); |
701 } | |
702 | |
703 void | |
6338 | 704 vparse_error (const char *fmt, va_list args) |
705 { | |
706 error_1 (std::cerr, 0, "", fmt, args); | |
707 } | |
708 | |
709 void | |
1005 | 710 parse_error (const char *fmt, ...) |
711 { | |
712 va_list args; | |
713 va_start (args, fmt); | |
6338 | 714 vparse_error (fmt, args); |
5567 | 715 va_end (args); |
716 } | |
717 | |
718 void | |
6338 | 719 vparse_error_with_id (const char *id, const char *fmt, va_list args) |
720 { | |
721 error_1 (std::cerr, 0, id, fmt, args); | |
722 } | |
723 | |
724 void | |
5567 | 725 parse_error_with_id (const char *id, const char *fmt, ...) |
726 { | |
727 va_list args; | |
728 va_start (args, fmt); | |
6338 | 729 vparse_error_with_id (id, fmt, args); |
1 | 730 va_end (args); |
731 } | |
732 | |
189 | 733 void |
6361 | 734 rethrow_error (const char *id, const char *fmt, ...) |
735 { | |
736 va_list args; | |
737 va_start (args, fmt); | |
6640 | 738 error_1 (std::cerr, 0, id, fmt, args); |
6361 | 739 va_end (args); |
740 } | |
741 | |
742 void | |
1 | 743 panic (const char *fmt, ...) |
744 { | |
745 va_list args; | |
746 va_start (args, fmt); | |
4699 | 747 buffer_error_messages = 0; |
3815 | 748 discard_error_messages = false; |
5567 | 749 verror (false, std::cerr, "panic", "", fmt, args); |
1 | 750 va_end (args); |
751 abort (); | |
752 } | |
753 | |
4732 | 754 static void |
755 defun_usage_message_1 (const char *fmt, ...) | |
756 { | |
757 va_list args; | |
758 va_start (args, fmt); | |
5567 | 759 error_1 (octave_stdout, 0, "", fmt, args); |
4732 | 760 va_end (args); |
761 } | |
762 | |
763 void | |
764 defun_usage_message (const std::string& msg) | |
765 { | |
766 defun_usage_message_1 ("%s", msg.c_str ()); | |
767 } | |
768 | |
5567 | 769 typedef void (*error_fun)(const char *, const char *, ...); |
1489 | 770 |
2086 | 771 extern octave_value_list Fsprintf (const octave_value_list&, int); |
1489 | 772 |
3934 | 773 static std::string |
5567 | 774 handle_message (error_fun f, const char *id, const char *msg, |
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775 const octave_value_list& args, bool have_fmt) |
528 | 776 { |
3934 | 777 std::string retval; |
528 | 778 |
3523 | 779 std::string tstr; |
1728 | 780 |
528 | 781 int nargin = args.length (); |
782 | |
2745 | 783 if (nargin > 0) |
528 | 784 { |
3066 | 785 octave_value arg; |
786 | |
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787 if (have_fmt) |
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788 { |
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789 octave_value_list tmp = Fsprintf (args, 1); |
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790 arg = tmp(0); |
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791 } |
3066 | 792 else |
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793 arg = args(0); |
2745 | 794 |
795 if (arg.is_defined ()) | |
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796 { |
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797 if (arg.is_string ()) |
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798 { |
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799 tstr = arg.string_value (); |
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800 msg = tstr.c_str (); |
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801 |
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802 if (! msg) |
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803 return retval; |
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804 } |
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805 else if (arg.is_empty ()) |
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806 return retval; |
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807 } |
528 | 808 } |
809 | |
1489 | 810 // Ugh. |
811 | |
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812 size_t len = strlen (msg); |
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813 |
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814 if (len > 0) |
1489 | 815 { |
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816 if (msg[len - 1] == '\n') |
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817 { |
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818 if (len > 1) |
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819 { |
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820 char *tmp_msg = strsave (msg); |
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821 tmp_msg[len - 1] = '\0'; |
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822 f (id, "%s\n", tmp_msg); |
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823 retval = tmp_msg; |
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824 delete [] tmp_msg; |
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825 } |
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826 } |
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827 else |
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828 { |
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829 f (id, "%s", msg); |
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830 retval = msg; |
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831 } |
3934 | 832 } |
528 | 833 |
834 return retval; | |
835 } | |
836 | |
6361 | 837 DEFUN (rethrow, args, , |
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838 "-*- texinfo -*-\n\ |
6361 | 839 @deftypefn {Built-in Function} {} rethrow (@var{err})\n\ |
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840 Reissue a previous error as defined by @var{err}. @var{err} is a structure\n\ |
17281
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841 that must contain at least the @qcode{\"message\"} and @qcode{\"identifier\"}\n\ |
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842 fields. @var{err} can also contain a field @qcode{\"stack\"} that gives\n\ |
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843 information on the assumed location of the error. Typically @var{err} is\n\ |
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844 returned from @code{lasterror}.\n\ |
6361 | 845 @seealso{lasterror, lasterr, error}\n\ |
846 @end deftypefn") | |
847 { | |
848 octave_value retval; | |
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849 int nargin = args.length (); |
6361 | 850 |
851 if (nargin != 1) | |
6959 | 852 print_usage (); |
6361 | 853 else |
854 { | |
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855 const octave_scalar_map err = args(0).scalar_map_value (); |
6361 | 856 |
6483 | 857 if (! error_state) |
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858 { |
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859 if (err.contains ("message") && err.contains ("identifier")) |
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860 { |
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861 std::string msg = err.contents ("message").string_value (); |
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862 std::string id = err.contents ("identifier").string_value (); |
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863 int len = msg.length (); |
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864 |
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865 std::string file; |
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866 std::string nm; |
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867 int l = -1; |
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868 int c = -1; |
6361 | 869 |
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changeset
|
870 octave_map err_stack = initialize_last_error_stack (); |
9166
69088b7b139c
use complete stack trace information for lasterror
John W. Eaton <jwe@octave.org>
parents:
9153
diff
changeset
|
871 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
872 if (err.contains ("stack")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
873 { |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
874 err_stack = err.contents ("stack").map_value (); |
6483 | 875 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
876 if (err_stack.numel () > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
877 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
878 if (err_stack.contains ("file")) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
879 file = err_stack.contents ("file")(0).string_value (); |
6483 | 880 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
881 if (err_stack.contains ("name")) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
882 nm = err_stack.contents ("name")(0).string_value (); |
6483 | 883 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
884 if (err_stack.contains ("line")) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
885 l = err_stack.contents ("line")(0).nint_value (); |
6640 | 886 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
887 if (err_stack.contains ("column")) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
888 c = err_stack.contents ("column")(0).nint_value (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
889 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
890 } |
6361 | 891 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
892 // Ugh. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
893 char *tmp_msg = strsave (msg.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
894 if (tmp_msg[len-1] == '\n') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
895 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
896 if (len > 1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
897 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
898 tmp_msg[len - 1] = '\0'; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
899 rethrow_error (id.c_str (), "%s\n", tmp_msg); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
900 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
901 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
902 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
903 rethrow_error (id.c_str (), "%s", tmp_msg); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
904 delete [] tmp_msg; |
6361 | 905 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
906 // FIXME: is this the right thing to do for Vlast_error_stack? |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
907 // Should it be saved and restored with unwind_protect? |
9166
69088b7b139c
use complete stack trace information for lasterror
John W. Eaton <jwe@octave.org>
parents:
9153
diff
changeset
|
908 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
909 Vlast_error_stack = err_stack; |
6361 | 910 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
911 if (err.contains ("stack")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
912 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
913 if (file.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
914 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
915 if (nm.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
916 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
917 if (l > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
918 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
919 if (c > 0) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
920 pr_where_1 ("error: near line %d, column %d", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
921 l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
922 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
923 pr_where_1 ("error: near line %d", l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
924 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
925 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
926 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
927 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
928 if (l > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
929 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
930 if (c > 0) |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
931 pr_where_1 ("error: called from '%s' near line %d, column %d", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
932 nm.c_str (), l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
933 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
934 pr_where_1 ("error: called from '%d' near line %d", |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
935 nm.c_str (), l); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
936 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
937 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
938 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
939 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
940 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
941 if (nm.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
942 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
943 if (l > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
944 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
945 if (c > 0) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
946 pr_where_1 ("error: in file %s near line %d, column %d", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
947 file.c_str (), l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
948 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
949 pr_where_1 ("error: in file %s near line %d", |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
950 file.c_str (), l); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
951 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
952 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
953 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
954 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
955 if (l > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
956 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
957 if (c > 0) |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
958 pr_where_1 ("error: called from '%s' in file %s near line %d, column %d", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
959 nm.c_str (), file.c_str (), l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
960 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
961 pr_where_1 ("error: called from '%d' in file %s near line %d", |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
962 nm.c_str (), file.c_str (), l); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
963 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
964 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
965 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
966 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
967 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
968 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
969 error ("rethrow: ERR structure must contain the fields 'message and 'identifier'"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
970 } |
6361 | 971 } |
972 return retval; | |
973 } | |
974 | |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
975 // Determine whether the first argument to error or warning function |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
976 // should be handled as the message identifier or as the format string. |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
977 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
978 static bool |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
979 maybe_extract_message_id (const std::string& caller, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
980 const octave_value_list& args, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
981 octave_value_list& nargs, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
982 std::string& id) |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
983 { |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
984 nargs = args; |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
985 id = std::string (); |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
986 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
987 int nargin = args.length (); |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
988 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
989 bool have_fmt = nargin > 1; |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
990 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
991 if (nargin > 0) |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
992 { |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
993 std::string arg1 = args(0).string_value (); |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
994 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
995 if (! error_state) |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
996 { |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
997 // For compatibility with Matlab, an identifier must contain |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
998 // ':', but not at the beginning or the end, and it must not |
14559
90c51d8797cc
also require that warning and error message identifiers do not contain whitespace
John W. Eaton <jwe@octave.org>
parents:
14558
diff
changeset
|
999 // contain '%' (even if it is not a valid conversion |
90c51d8797cc
also require that warning and error message identifiers do not contain whitespace
John W. Eaton <jwe@octave.org>
parents:
14558
diff
changeset
|
1000 // operator) or whitespace. |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1001 |
14559
90c51d8797cc
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1002 if (arg1.find_first_of ("% \f\n\r\t\v") == std::string::npos |
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1003 && arg1.find (':') != std::string::npos |
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1004 && arg1[0] != ':' |
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1005 && arg1[arg1.length ()-1] != ':') |
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1006 { |
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1007 if (nargin > 1) |
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1008 { |
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1009 id = arg1; |
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1010 |
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1011 nargs.resize (nargin-1); |
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1012 |
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1013 for (int i = 1; i < nargin; i++) |
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1014 nargs(i-1) = args(i); |
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1015 } |
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1016 else |
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1017 nargs(0) = "call to " + caller |
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1018 + " with message identifier requires message"; |
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1019 } |
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1020 } |
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1021 } |
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1022 |
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1023 return have_fmt; |
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1024 } |
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1025 |
1957 | 1026 DEFUN (error, args, , |
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1027 "-*- texinfo -*-\n\ |
10840 | 1028 @deftypefn {Built-in Function} {} error (@var{template}, @dots{})\n\ |
7252 | 1029 @deftypefnx {Built-in Function} {} error (@var{id}, @var{template}, @dots{})\n\ |
5781 | 1030 Format the optional arguments under the control of the template string\n\ |
1031 @var{template} using the same rules as the @code{printf} family of\n\ | |
1032 functions (@pxref{Formatted Output}) and print the resulting message\n\ | |
1033 on the @code{stderr} stream. The message is prefixed by the character\n\ | |
1034 string @samp{error: }.\n\ | |
3373 | 1035 \n\ |
1036 Calling @code{error} also sets Octave's internal error state such that\n\ | |
1037 control will return to the top level without evaluating any more\n\ | |
1038 commands. This is useful for aborting from functions or scripts.\n\ | |
897 | 1039 \n\ |
3373 | 1040 If the error message does not end with a new line character, Octave will\n\ |
1041 print a traceback of all the function calls leading to the error. For\n\ | |
1042 example, given the following function definitions:\n\ | |
1043 \n\ | |
1044 @example\n\ | |
1045 @group\n\ | |
6671 | 1046 function f () g (); end\n\ |
1047 function g () h (); end\n\ | |
3373 | 1048 function h () nargin == 1 || error (\"nargin != 1\"); end\n\ |
1049 @end group\n\ | |
1050 @end example\n\ | |
1489 | 1051 \n\ |
3373 | 1052 @noindent\n\ |
1053 calling the function @code{f} will result in a list of messages that\n\ | |
1054 can help you to quickly locate the exact location of the error:\n\ | |
1489 | 1055 \n\ |
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1056 @example\n\ |
3373 | 1057 @group\n\ |
1058 f ()\n\ | |
1059 error: nargin != 1\n\ | |
8015
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1060 error: called from:\n\ |
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1061 error: error at line -1, column -1\n\ |
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1062 error: h at line 1, column 27\n\ |
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1063 error: g at line 1, column 15\n\ |
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1064 error: f at line 1, column 15\n\ |
3373 | 1065 @end group\n\ |
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1066 @end example\n\ |
3373 | 1067 \n\ |
1068 If the error message ends in a new line character, Octave will print the\n\ | |
1069 message but will not display any traceback messages as it returns\n\ | |
1070 control to the top level. For example, modifying the error message\n\ | |
1071 in the previous example to end in a new line causes Octave to only print\n\ | |
1072 a single message:\n\ | |
1073 \n\ | |
1074 @example\n\ | |
1075 @group\n\ | |
1076 function h () nargin == 1 || error (\"nargin != 1\\n\"); end\n\ | |
1077 f ()\n\ | |
1078 error: nargin != 1\n\ | |
1079 @end group\n\ | |
1080 @end example\n\ | |
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1081 \n\ |
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1082 A null string (\"\") input to @code{error} will be ignored and the code\n\ |
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1083 will continue running as if the statement were a NOP@. This is for\n\ |
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1084 compatibility with @sc{matlab}. It also makes it possible to write code such\n\ |
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1085 as\n\ |
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1086 \n\ |
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1087 @example\n\ |
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1088 @group\n\ |
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1089 err_msg = \"\";\n\ |
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1090 if (CONDITION 1)\n\ |
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1091 err_msg = \"CONDITION 1 found\";\n\ |
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1092 elseif (CONDITION2)\n\ |
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1093 err_msg = \"CONDITION 2 found\";\n\ |
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1094 @dots{}\n\ |
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1095 endif\n\ |
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1096 error (err_msg);\n\ |
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1097 @end group\n\ |
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1098 @end example\n\ |
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1099 \n\ |
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1100 @noindent\n\ |
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1101 which will only stop execution if an error has been found.\n\ |
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1102 \n\ |
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1103 Implementation Note: For compatibility with @sc{matlab}, escape\n\ |
17281
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1104 sequences (e.g., @qcode{\"\\n\"} => newline) are processed in @var{template}\n\ |
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1105 regardless of whether @var{template} has been defined within single quotes\n\ |
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1106 as long as there are two or more input arguments.\n\ |
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1107 Use a second backslash to stop interpolation of the escape sequence (e.g.,\n\ |
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1108 \"\\\\n\") or use the @code{regexptranslate} function.\n\ |
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1109 @seealso{warning, lasterror}\n\ |
3373 | 1110 @end deftypefn") |
897 | 1111 { |
7252 | 1112 octave_value retval; |
1113 | |
1114 int nargin = args.length (); | |
1115 | |
1116 octave_value_list nargs = args; | |
1117 | |
1118 std::string id; | |
1119 | |
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1120 if (nargin == 0) |
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1121 print_usage (); |
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1122 else |
7252 | 1123 { |
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1124 bool have_fmt = false; |
5567 | 1125 |
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1126 if (nargin == 1 && args(0).is_map ()) |
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1127 { |
13709
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1128 // empty struct is not an error. return and resume calling function. |
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1129 if (args(0).is_empty ()) |
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1130 return retval; |
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1131 |
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1132 octave_value_list tmp; |
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1133 |
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1134 octave_scalar_map m = args(0).scalar_map_value (); |
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1135 |
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1136 // empty struct is not an error. return and resume calling function. |
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1137 if (m.nfields () == 0) |
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1138 return retval; |
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1139 |
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1140 if (m.contains ("message")) |
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1141 { |
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1142 octave_value c = m.getfield ("message"); |
7252 | 1143 |
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1144 if (c.is_string ()) |
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1145 nargs(0) = c.string_value (); |
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1146 } |
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1147 |
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1148 if (m.contains ("identifier")) |
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1149 { |
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1150 octave_value c = m.getfield ("identifier"); |
7252 | 1151 |
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1152 if (c.is_string ()) |
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1153 id = c.string_value (); |
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1154 } |
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1155 |
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1156 // FIXME: also need to handle "stack" field in error structure, |
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1157 // but that will require some more significant surgery on |
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1158 // handle_message, error_with_id, etc. |
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1159 } |
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1160 else |
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1161 { |
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1162 have_fmt = maybe_extract_message_id ("error", args, nargs, id); |
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1163 |
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1164 if (error_state) |
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1165 return retval; |
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1166 } |
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1167 |
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1168 handle_message (error_with_id, id.c_str (), "unspecified error", |
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1169 nargs, have_fmt); |
7252 | 1170 } |
1171 | |
3934 | 1172 return retval; |
1489 | 1173 } |
897 | 1174 |
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1175 static octave_scalar_map |
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1176 warning_query (const std::string& id_arg) |
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1177 { |
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1178 octave_scalar_map retval; |
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1179 |
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1180 std::string id = id_arg; |
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1181 |
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1182 if (id == "last") |
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1183 id = Vlast_warning_id; |
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1184 |
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1185 Cell ident = warning_options.contents ("identifier"); |
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1186 Cell state = warning_options.contents ("state"); |
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1187 |
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1188 octave_idx_type nel = ident.numel (); |
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1189 |
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1190 bool found = false; |
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1191 |
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1192 std::string val; |
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1193 |
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1194 for (octave_idx_type i = 0; i < nel; i++) |
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1195 { |
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1196 if (ident(i).string_value () == id) |
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1197 { |
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1198 val = state(i).string_value (); |
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1199 found = true; |
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1200 break; |
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1201 } |
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1202 } |
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1203 |
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1204 if (! found) |
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1205 { |
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1206 for (octave_idx_type i = 0; i < nel; i++) |
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1207 { |
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1208 if (ident(i).string_value () == "all") |
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1209 { |
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1210 val = state(i).string_value (); |
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1211 found = true; |
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1212 break; |
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1213 } |
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1214 } |
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1215 } |
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1216 |
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1217 if (found) |
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1218 { |
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1219 retval.assign ("identifier", id); |
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1220 retval.assign ("state", val); |
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1221 } |
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1222 else |
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1223 error ("warning: unable to find default warning state!"); |
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1224 |
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1225 return retval; |
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1226 } |
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1227 |
8746
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1228 DEFUN (warning, args, nargout, |
17787
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1229 "-*- texinfo -*-\n\ |
10840 | 1230 @deftypefn {Built-in Function} {} warning (@var{template}, @dots{})\n\ |
7252 | 1231 @deftypefnx {Built-in Function} {} warning (@var{id}, @var{template}, @dots{})\n\ |
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1232 @deftypefnx {Built-in Function} {} warning (\"on\", @var{id})\n\ |
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1233 @deftypefnx {Built-in Function} {} warning (\"off\", @var{id})\n\ |
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1234 @deftypefnx {Built-in Function} {} warning (\"query\", @var{id})\n\ |
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1235 @deftypefnx {Built-in Function} {} warning (\"error\", @var{id})\n\ |
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1236 @deftypefnx {Built-in Function} {} warning (@var{state}, \"backtrace\")\n\ |
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1237 @deftypefnx {Built-in Function} {} warning (@var{state}, @var{id}, \"local\")\n\ |
5781 | 1238 Format the optional arguments under the control of the template string\n\ |
1239 @var{template} using the same rules as the @code{printf} family of\n\ | |
1240 functions (@pxref{Formatted Output}) and print the resulting message\n\ | |
1241 on the @code{stderr} stream. The message is prefixed by the character\n\ | |
1242 string @samp{warning: }.\n\ | |
1243 You should use this function when you want to notify the user\n\ | |
3600 | 1244 of an unusual condition, but only when it makes sense for your program\n\ |
1245 to go on.\n\ | |
5781 | 1246 \n\ |
1247 The optional message identifier allows users to enable or disable\n\ | |
15524
15628a84a4fa
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1248 warnings tagged by @var{id}. A message identifier is of the form\n\ |
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1249 \"NAMESPACE:WARNING-NAME\". Octave's own warnings use the @qcode{\"Octave\"}\n\ |
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1250 namespace (@pxref{XREFwarning_ids}). The special identifier @qcode{\"all\"}\n\ |
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1251 may be used to set the state of all warnings.\n\ |
5781 | 1252 \n\ |
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1253 If the first argument is @qcode{\"on\"} or @qcode{\"off\"},\n\ |
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1254 set the state of a particular warning using the identifier @var{id}. If the\n\ |
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|
1255 first argument is @qcode{\"query\"}, query the state of this warning\n\ |
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|
1256 instead. If the identifier is omitted, a value of @qcode{\"all\"} is\n\ |
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1257 assumed. If you set the state of a warning to @qcode{\"error\"}, the\n\ |
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|
1258 warning named by @var{id} is handled as if it were an error instead. So,\n\ |
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1259 for example, the following handles all warnings as errors:\n\ |
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1260 \n\ |
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1261 @example\n\ |
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1262 @group\n\ |
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1263 warning (\"error\");\n\ |
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1264 @end group\n\ |
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1265 @end example\n\ |
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1266 \n\ |
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1267 If the state is @qcode{\"on\"} or @qcode{\"off\"} and the third argument\n\ |
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1268 is @qcode{\"backtrace\"}, then a stack trace is printed along with the\n\ |
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1269 warning message when warnings occur inside function calls. This option\n\ |
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1270 is enabled by default.\n\ |
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1271 \n\ |
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1272 If the state is @qcode{\"on\"}, @qcode{\"off\"}, or @qcode{\"error\"}\n\ |
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1273 and the third argument is @qcode{\"local\"}, then the warning state\n\ |
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1274 will be set temporarily, until the end of the current function.\n\ |
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1275 Changes to warning states that are set locally affect the current\n\ |
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1276 function and all functions called from the current scope. The\n\ |
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1277 previous warning state is restored on return from the current\n\ |
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1278 function. The @qcode{\"local\"} option is ignored if used in the top-level\n\ |
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1279 workspace.\n\ |
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1280 \n\ |
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1281 Implementation Note: For compatibility with @sc{matlab}, escape\n\ |
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1282 sequences (e.g., @qcode{\"\\n\"} => newline) are processed in @var{template}\n\ |
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1283 regardless of whether @var{template} has been defined within single quotes\n\ |
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1284 as long as there are two or more input arguments.\n\ |
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1285 Use a second backslash to stop interpolation of the escape sequence (e.g.,\n\ |
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1286 \"\\\\n\") or use the @code{regexptranslate} function.\n\ |
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1287 @seealso{warning_ids, lastwarn, error}\n\ |
3373 | 1288 @end deftypefn") |
1489 | 1289 { |
5567 | 1290 octave_value retval; |
3934 | 1291 |
5567 | 1292 int nargin = args.length (); |
1293 int argc = nargin + 1; | |
3934 | 1294 |
3935 | 1295 bool done = false; |
3934 | 1296 |
5567 | 1297 if (argc > 1 && args.all_strings_p ()) |
3935 | 1298 { |
1299 string_vector argv = args.make_argv ("warning"); | |
1300 | |
1301 if (! error_state) | |
10315
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1302 { |
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1303 std::string arg1 = argv(1); |
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1304 std::string arg2 = "all"; |
5567 | 1305 |
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1306 if (argc >= 3) |
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1307 arg2 = argv(2); |
5567 | 1308 |
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1309 if (arg1 == "on" || arg1 == "off" || arg1 == "error") |
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1310 { |
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1311 octave_map old_warning_options = warning_options; |
5567 | 1312 |
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1313 if (argc == 4 && argv(3) == "local" |
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1314 && ! symbol_table::at_top_level ()) |
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1315 { |
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1316 symbol_table::scope_id scope |
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1317 = octave_call_stack::current_scope (); |
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1318 |
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1319 symbol_table::context_id context |
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1320 = octave_call_stack::current_context (); |
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1321 |
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1322 octave_scalar_map val = warning_query (arg2); |
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1323 |
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1324 octave_value curr_state = val.contents ("state"); |
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1325 |
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1326 // FIXME: this might be better with a dictionary object. |
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1327 |
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1328 octave_value curr_warning_states |
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1329 = symbol_table::varval (".saved_warning_states.", |
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1330 scope, context); |
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1331 |
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1332 octave_map m; |
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1333 |
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1334 if (curr_warning_states.is_defined ()) |
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1335 m = curr_warning_states.map_value (); |
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1336 else |
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1337 { |
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1338 string_vector fields (2); |
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1339 |
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1340 fields(0) = "identifier"; |
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1341 fields(1) = "state"; |
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1342 |
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1343 m = octave_map (dim_vector (0, 1), fields); |
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1344 } |
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1345 |
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1346 if (error_state) |
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|
1347 panic_impossible (); |
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1348 |
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1349 Cell ids = m.contents ("identifier"); |
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1350 Cell states = m.contents ("state"); |
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1351 |
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1352 octave_idx_type nel = states.numel (); |
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1353 bool found = false; |
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1354 octave_idx_type i; |
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1355 for (i = 0; i < nel; i++) |
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1356 { |
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1357 std::string id = ids(i).string_value (); |
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1358 |
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1359 if (error_state) |
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1360 panic_impossible (); |
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1361 |
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1362 if (id == arg2) |
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1363 { |
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1364 states(i) = curr_state; |
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1365 found = true; |
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1366 break; |
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1367 } |
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1368 } |
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1369 |
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1370 if (! found) |
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1371 { |
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1372 m.resize (dim_vector (nel+1, 1)); |
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1373 |
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1374 ids.resize (dim_vector (nel+1, 1)); |
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1375 states.resize (dim_vector (nel+1, 1)); |
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1376 |
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1377 ids(nel) = arg2; |
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1378 states(nel) = curr_state; |
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1379 } |
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1380 |
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1381 m.contents ("identifier") = ids; |
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1382 m.contents ("state") = states; |
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1383 |
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|
1384 symbol_table::assign |
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1385 (".saved_warning_states.", m, scope, context); |
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1386 |
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1387 // Now ignore the "local" argument and continue to |
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1388 // handle the current setting. |
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1389 argc--; |
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1390 } |
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1391 |
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1392 if (arg2 == "all") |
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1393 { |
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1394 octave_map tmp; |
3934 | 1395 |
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1396 Cell id (1, 1); |
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1397 Cell st (1, 1); |
7202 | 1398 |
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1399 id(0) = arg2; |
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1400 st(0) = arg1; |
7202 | 1401 |
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1402 // Since internal Octave functions are not |
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1403 // compatible, turning all warnings into errors |
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1404 // should leave the state of |
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1405 // Octave:matlab-incompatible alone. |
7202 | 1406 |
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1407 if (arg1 == "error" |
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1408 && warning_options.contains ("identifier")) |
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1409 { |
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1410 octave_idx_type n = 1; |
7206 | 1411 |
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1412 Cell tid = warning_options.contents ("identifier"); |
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1413 Cell tst = warning_options.contents ("state"); |
7202 | 1414 |
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1415 for (octave_idx_type i = 0; i < tid.numel (); i++) |
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1416 { |
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1417 octave_value vid = tid(i); |
7202 | 1418 |
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1419 if (vid.is_string ()) |
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1420 { |
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1421 std::string key = vid.string_value (); |
7202 | 1422 |
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1423 if (key == "Octave:matlab-incompatible" |
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1424 || key == "Octave:single-quote-string") |
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1425 { |
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1426 id.resize (dim_vector (1, n+1)); |
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1427 st.resize (dim_vector (1, n+1)); |
7202 | 1428 |
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1429 id(n) = tid(i); |
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1430 st(n) = tst(i); |
7206 | 1431 |
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1432 n++; |
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1433 } |
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1434 } |
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1435 } |
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1436 } |
7202 | 1437 |
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1438 tmp.assign ("identifier", id); |
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1439 tmp.assign ("state", st); |
5567 | 1440 |
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1441 warning_options = tmp; |
5567 | 1442 |
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1443 done = true; |
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1444 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1445 else if (arg2 == "backtrace") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1446 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1447 if (arg1 != "error") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1448 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1449 Vbacktrace_on_warning = (arg1 == "on"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1450 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1451 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1452 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1453 else if (arg2 == "debug") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1454 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1455 if (arg1 != "error") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1456 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1457 Vdebug_on_warning = (arg1 == "on"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1458 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1459 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1460 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1461 else if (arg2 == "verbose") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1462 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1463 if (arg1 != "error") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1464 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1465 Vverbose_warning = (arg1 == "on"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1466 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1467 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1468 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1469 else if (arg2 == "quiet") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1470 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1471 if (arg1 != "error") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1472 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1473 Vquiet_warning = (arg1 == "on"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1474 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1475 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1476 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1477 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1478 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1479 if (arg2 == "last") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1480 arg2 = Vlast_warning_id; |
5567 | 1481 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1482 if (arg2 == "all") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1483 initialize_warning_options (arg1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1484 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1485 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1486 Cell ident = warning_options.contents ("identifier"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1487 Cell state = warning_options.contents ("state"); |
5567 | 1488 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1489 octave_idx_type nel = ident.numel (); |
5567 | 1490 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1491 bool found = false; |
5567 | 1492 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1493 for (octave_idx_type i = 0; i < nel; i++) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1494 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1495 if (ident(i).string_value () == arg2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1496 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1497 // FIXME: if state for "all" is same as arg1, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1498 // we can simply remove the item |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1499 // from the list. |
5567 | 1500 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1501 state(i) = arg1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1502 warning_options.assign ("state", state); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1503 found = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1504 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1505 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1506 } |
5567 | 1507 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1508 if (! found) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1509 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1510 // FIXME: if state for "all" is same as arg1, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1511 // we don't need to do anything. |
5567 | 1512 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1513 ident.resize (dim_vector (1, nel+1)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1514 state.resize (dim_vector (1, nel+1)); |
5567 | 1515 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1516 ident(nel) = arg2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1517 state(nel) = arg1; |
5567 | 1518 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1519 warning_options.clear (); |
5567 | 1520 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1521 warning_options.assign ("identifier", ident); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1522 warning_options.assign ("state", state); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1523 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1524 } |
5567 | 1525 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1526 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1527 } |
5567 | 1528 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1529 if (done && nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1530 retval = old_warning_options; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1531 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1532 else if (arg1 == "query") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1533 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1534 if (arg2 == "all") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1535 retval = warning_options; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1536 else if (arg2 == "backtrace" || arg2 == "debug" |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1537 || arg2 == "verbose" || arg2 == "quiet") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1538 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1539 octave_scalar_map tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1540 tmp.assign ("identifier", arg2); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1541 if (arg2 == "backtrace") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1542 tmp.assign ("state", Vbacktrace_on_warning ? "on" : "off"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1543 else if (arg2 == "debug") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1544 tmp.assign ("state", Vdebug_on_warning ? "on" : "off"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1545 else if (arg2 == "verbose") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1546 tmp.assign ("state", Vverbose_warning ? "on" : "off"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1547 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1548 tmp.assign ("state", Vquiet_warning ? "on" : "off"); |
5582 | 1549 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1550 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1551 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1552 else |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1553 retval = warning_query (arg2); |
5567 | 1554 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1555 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1556 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1557 } |
3934 | 1558 } |
5567 | 1559 else if (argc == 1) |
1560 { | |
1561 retval = warning_options; | |
3934 | 1562 |
5567 | 1563 done = true; |
1564 } | |
1565 else if (argc == 2) | |
1566 { | |
1567 octave_value arg = args(0); | |
1568 | |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1569 octave_map old_warning_options = warning_options; |
5567 | 1570 |
1571 if (arg.is_map ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1572 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1573 octave_map m = arg.map_value (); |
5567 | 1574 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1575 if (m.contains ("identifier") && m.contains ("state")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1576 warning_options = m; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1577 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1578 error ("warning: expecting structure with fields 'identifier' and 'state'"); |
5567 | 1579 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1580 done = true; |
5567 | 1581 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1582 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1583 retval = old_warning_options; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1584 } |
5567 | 1585 } |
1586 | |
1587 if (! (error_state || done)) | |
3935 | 1588 { |
5567 | 1589 octave_value_list nargs = args; |
1590 | |
1591 std::string id; | |
1592 | |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1593 bool have_fmt = maybe_extract_message_id ("warning", args, nargs, id); |
5567 | 1594 |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1595 if (error_state) |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1596 return retval; |
5567 | 1597 |
3935 | 1598 std::string prev_msg = Vlast_warning_message; |
1599 | |
5567 | 1600 std::string curr_msg = handle_message (warning_with_id, id.c_str (), |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1601 "unspecified warning", nargs, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1602 have_fmt); |
3935 | 1603 |
1604 if (nargout > 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1605 retval = prev_msg; |
3935 | 1606 } |
1607 | |
3934 | 1608 return retval; |
1609 } | |
1610 | |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1611 octave_value_list |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1612 set_warning_state (const std::string& id, const std::string& state) |
5794 | 1613 { |
1614 octave_value_list args; | |
1615 | |
1616 args(1) = id; | |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1617 args(0) = state; |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1618 |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
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changeset
|
1619 return Fwarning (args, 1); |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1620 } |
5794 | 1621 |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
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|
1622 octave_value_list |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1623 set_warning_state (const octave_value_list& args) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1624 { |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1625 return Fwarning (args, 1); |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1626 } |
1834132fb50b
allow non-integer ranges as indices conditionally
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diff
changeset
|
1627 |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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changeset
|
1628 void |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1629 disable_warning (const std::string& id) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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10405
diff
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|
1630 { |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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changeset
|
1631 set_warning_state (id, "off"); |
5794 | 1632 } |
1633 | |
1634 void | |
1635 initialize_default_warning_state (void) | |
1636 { | |
1637 initialize_warning_options ("on"); | |
1638 | |
1639 // Most people will want to have the following disabled. | |
1640 | |
1641 disable_warning ("Octave:array-to-scalar"); | |
1642 disable_warning ("Octave:array-to-vector"); | |
1643 disable_warning ("Octave:imag-to-real"); | |
1644 disable_warning ("Octave:matlab-incompatible"); | |
1645 disable_warning ("Octave:missing-semicolon"); | |
1646 disable_warning ("Octave:neg-dim-as-zero"); | |
1647 disable_warning ("Octave:resize-on-range-error"); | |
1648 disable_warning ("Octave:separator-insert"); | |
1649 disable_warning ("Octave:single-quote-string"); | |
1650 disable_warning ("Octave:str-to-num"); | |
13841
0a158dbdb04a
Remove 3 unused warning ids
Rik <octave@nomad.inbox5.com>
parents:
13709
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changeset
|
1651 disable_warning ("Octave:mixed-string-concat"); |
5794 | 1652 disable_warning ("Octave:variable-switch-label"); |
1653 } | |
1654 | |
6361 | 1655 DEFUN (lasterror, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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17744
diff
changeset
|
1656 "-*- texinfo -*-\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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11523
diff
changeset
|
1657 @deftypefn {Built-in Function} {@var{lasterr} =} lasterror ()\n\ |
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1658 @deftypefnx {Built-in Function} {} lasterror (@var{err})\n\ |
14361
8de863b7126b
doc: Use Octave preference for double quote in docstrings in all .cc files
Rik <octave@nomad.inbox5.com>
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14138
diff
changeset
|
1659 @deftypefnx {Built-in Function} {} lasterror (\"reset\")\n\ |
14093
050bc580cb60
doc: Various docstring improvements before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
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14072
diff
changeset
|
1660 Query or set the last error message structure. When called without\n\ |
050bc580cb60
doc: Various docstring improvements before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
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14072
diff
changeset
|
1661 arguments, return a structure containing the last error message and other\n\ |
12692
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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12483
diff
changeset
|
1662 information related to this error. The elements of the structure are:\n\ |
6361 | 1663 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
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|
1664 @table @code\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1665 @item message\n\ |
6361 | 1666 The text of the last error message\n\ |
10840 | 1667 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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diff
changeset
|
1668 @item identifier\n\ |
6361 | 1669 The message identifier of this error message\n\ |
10840 | 1670 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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diff
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|
1671 @item stack\n\ |
12692
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doc: Update docstrings for a few functions
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|
1672 A structure containing information on where the message occurred. This may\n\ |
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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changeset
|
1673 be an empty structure if the information cannot\n\ |
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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|
1674 be obtained. The fields of the structure are:\n\ |
6361 | 1675 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
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|
1676 @table @code\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1677 @item file\n\ |
6361 | 1678 The name of the file where the error occurred\n\ |
10840 | 1679 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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diff
changeset
|
1680 @item name\n\ |
7001 | 1681 The name of function in which the error occurred\n\ |
10840 | 1682 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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diff
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|
1683 @item line\n\ |
7001 | 1684 The line number at which the error occurred\n\ |
10840 | 1685 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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diff
changeset
|
1686 @item column\n\ |
6361 | 1687 An optional field with the column number at which the error occurred\n\ |
1688 @end table\n\ | |
1689 @end table\n\ | |
1690 \n\ | |
12692
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1691 The last error structure may be set by passing a scalar structure, @var{err},\n\ |
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1692 as input. Any fields of @var{err} that match those above are set while any\n\ |
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1693 unspecified fields are initialized with default values.\n\ |
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1694 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1695 If @code{lasterror} is called with the argument @qcode{\"reset\"}, all\n\ |
bc924baa2c4e
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Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1696 fields are set to their default values.\n\ |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
parents:
15088
diff
changeset
|
1697 @seealso{lasterr, error, lastwarn}\n\ |
6361 | 1698 @end deftypefn") |
1699 { | |
1700 octave_value retval; | |
14846
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Rik <octave@nomad.inbox5.com>
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14559
diff
changeset
|
1701 int nargin = args.length (); |
6361 | 1702 |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9753
diff
changeset
|
1703 unwind_protect frame; |
7976
736124a4fa3d
lasterr, lasterror: unwind-protect error_state
John W. Eaton <jwe@octave.org>
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7882
diff
changeset
|
1704 |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
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9753
diff
changeset
|
1705 frame.protect_var (error_state); |
7976
736124a4fa3d
lasterr, lasterror: unwind-protect error_state
John W. Eaton <jwe@octave.org>
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|
1706 error_state = 0; |
736124a4fa3d
lasterr, lasterror: unwind-protect error_state
John W. Eaton <jwe@octave.org>
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7882
diff
changeset
|
1707 |
6361 | 1708 if (nargin < 2) |
1709 { | |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1710 octave_scalar_map err; |
6361 | 1711 |
1712 err.assign ("message", Vlast_error_message); | |
1713 err.assign ("identifier", Vlast_error_id); | |
1714 | |
9166
69088b7b139c
use complete stack trace information for lasterror
John W. Eaton <jwe@octave.org>
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9153
diff
changeset
|
1715 err.assign ("stack", octave_value (Vlast_error_stack)); |
6361 | 1716 |
1717 if (nargin == 1) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1718 { |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
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14559
diff
changeset
|
1719 if (args(0).is_string ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1720 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
1721 if (args(0).string_value () == "reset") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1722 { |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
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14559
diff
changeset
|
1723 Vlast_error_message = std::string (); |
460a3c6d8bf1
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Rik <octave@nomad.inbox5.com>
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14559
diff
changeset
|
1724 Vlast_error_id = std::string (); |
9166
69088b7b139c
use complete stack trace information for lasterror
John W. Eaton <jwe@octave.org>
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9153
diff
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|
1725 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1726 Vlast_error_stack = initialize_last_error_stack (); |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1727 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1728 else |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
1729 error ("lasterror: unrecognized string argument"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1730 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1731 else if (args(0).is_map ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1732 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1733 octave_scalar_map new_err = args(0).scalar_map_value (); |
16492
91c32a702284
Correctly fill stack field in lasterror() when given as input.
Rik <rik@octave.org>
parents:
16442
diff
changeset
|
1734 octave_scalar_map new_err_stack; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1735 std::string new_error_message; |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1736 std::string new_error_id; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1737 std::string new_error_file; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1738 std::string new_error_name; |
57a59eae83cc
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changeset
|
1739 int new_error_line = -1; |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1740 int new_error_column = -1; |
6361 | 1741 |
10315
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untabify src C++ source files
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10160
diff
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|
1742 if (! error_state && new_err.contains ("message")) |
57a59eae83cc
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diff
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|
1743 { |
11586
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strip trailing whitespace from source files
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diff
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|
1744 const std::string tmp = |
14861
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maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
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diff
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|
1745 new_err.getfield ("message").string_value (); |
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|
1746 new_error_message = tmp; |
57a59eae83cc
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|
1747 } |
6361 | 1748 |
10315
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|
1749 if (! error_state && new_err.contains ("identifier")) |
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|
1750 { |
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diff
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|
1751 const std::string tmp = |
14861
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Rik <octave@nomad.inbox5.com>
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|
1752 new_err.getfield ("identifier").string_value (); |
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|
1753 new_error_id = tmp; |
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|
1754 } |
6361 | 1755 |
10315
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|
1756 if (! error_state && new_err.contains ("stack")) |
57a59eae83cc
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|
1757 { |
17787
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1758 new_err_stack = |
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|
1759 new_err.getfield ("stack").scalar_map_value (); |
6361 | 1760 |
10315
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|
1761 if (! error_state && new_err_stack.contains ("file")) |
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|
1762 { |
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|
1763 const std::string tmp = |
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|
1764 new_err_stack.getfield ("file").string_value (); |
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|
1765 new_error_file = tmp; |
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|
1766 } |
6361 | 1767 |
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|
1768 if (! error_state && new_err_stack.contains ("name")) |
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|
1769 { |
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|
1770 const std::string tmp = |
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|
1771 new_err_stack.getfield ("name").string_value (); |
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|
1772 new_error_name = tmp; |
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|
1773 } |
6361 | 1774 |
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1775 if (! error_state && new_err_stack.contains ("line")) |
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1776 { |
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1777 const int tmp = |
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1778 new_err_stack.getfield ("line").nint_value (); |
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1779 new_error_line = tmp; |
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1780 } |
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1781 |
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1782 if (! error_state && new_err_stack.contains ("column")) |
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1783 { |
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1784 const int tmp = |
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1785 new_err_stack.getfield ("column").nint_value (); |
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1786 new_error_column = tmp; |
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1787 } |
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1788 } |
6361 | 1789 |
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1790 if (! error_state) |
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1791 { |
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1792 Vlast_error_message = new_error_message; |
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1793 Vlast_error_id = new_error_id; |
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1794 |
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1795 if (new_err.contains ("stack")) |
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1796 { |
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1797 new_err_stack.setfield ("file", new_error_file); |
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1798 new_err_stack.setfield ("name", new_error_name); |
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1799 new_err_stack.setfield ("line", new_error_line); |
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1800 new_err_stack.setfield ("column", new_error_column); |
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1801 Vlast_error_stack = new_err_stack; |
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1802 } |
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1803 else |
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1804 { |
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1805 // No stack field. Fill it in with backtrace info. |
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1806 octave_idx_type curr_frame = -1; |
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1807 |
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1808 Vlast_error_stack |
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1809 = octave_call_stack::backtrace (0, curr_frame); |
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1810 } |
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1811 } |
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1812 } |
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1813 else |
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1814 error ("lasterror: argument must be a structure or a string"); |
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1815 } |
6361 | 1816 |
6483 | 1817 if (! error_state) |
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1818 retval = err; |
6361 | 1819 } |
1820 else | |
1821 print_usage (); | |
1822 | |
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1823 return retval; |
6361 | 1824 } |
1825 | |
5567 | 1826 DEFUN (lasterr, args, nargout, |
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1827 "-*- texinfo -*-\n\ |
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1828 @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} lasterr ()\n\ |
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1829 @deftypefnx {Built-in Function} {} lasterr (@var{msg})\n\ |
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1830 @deftypefnx {Built-in Function} {} lasterr (@var{msg}, @var{msgid})\n\ |
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1831 Query or set the last error message. When called without input arguments,\n\ |
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1832 return the last error message and message identifier. With one\n\ |
5567 | 1833 argument, set the last error message to @var{msg}. With two arguments,\n\ |
1834 also set the last message identifier.\n\ | |
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1835 @seealso{lasterror, error, lastwarn}\n\ |
3935 | 1836 @end deftypefn") |
1837 { | |
1838 octave_value_list retval; | |
1839 | |
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1840 unwind_protect frame; |
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1841 |
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1842 frame.protect_var (error_state); |
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1843 error_state = 0; |
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1844 |
3935 | 1845 int argc = args.length () + 1; |
1846 | |
5567 | 1847 if (argc < 4) |
5335 | 1848 { |
1849 string_vector argv = args.make_argv ("lasterr"); | |
3935 | 1850 |
5335 | 1851 if (! error_state) |
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1852 { |
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1853 std::string prev_error_id = Vlast_error_id; |
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1854 std::string prev_error_message = Vlast_error_message; |
5567 | 1855 |
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1856 if (argc > 2) |
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1857 Vlast_error_id = argv(2); |
5567 | 1858 |
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1859 if (argc > 1) |
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1860 Vlast_error_message = argv(1); |
5567 | 1861 |
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1862 if (argc == 1 || nargout > 0) |
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1863 { |
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1864 retval(1) = prev_error_id; |
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1865 retval(0) = prev_error_message; |
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1866 } |
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1867 } |
5567 | 1868 else |
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1869 error ("lasterr: expecting arguments to be character strings"); |
5335 | 1870 } |
3935 | 1871 else |
5823 | 1872 print_usage (); |
3935 | 1873 |
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1874 return retval; |
3935 | 1875 } |
1876 | |
5567 | 1877 DEFUN (lastwarn, args, nargout, |
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1878 "-*- texinfo -*-\n\ |
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1879 @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} lastwarn ()\n\ |
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1880 @deftypefnx {Built-in Function} {} lastwarn (@var{msg})\n\ |
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1881 @deftypefnx {Built-in Function} {} lastwarn (@var{msg}, @var{msgid})\n\ |
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1882 Query or set the last warning message. When called without input arguments,\n\ |
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1883 return the last warning message and message identifier. With one\n\ |
5567 | 1884 argument, set the last warning message to @var{msg}. With two arguments,\n\ |
1885 also set the last message identifier.\n\ | |
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1886 @seealso{warning, lasterror, lasterr}\n\ |
3934 | 1887 @end deftypefn") |
1888 { | |
1889 octave_value_list retval; | |
1890 | |
1891 int argc = args.length () + 1; | |
1892 | |
5567 | 1893 if (argc < 4) |
1894 { | |
1895 string_vector argv = args.make_argv ("lastwarn"); | |
1896 | |
1897 if (! error_state) | |
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1898 { |
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1899 std::string prev_warning_id = Vlast_warning_id; |
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1900 std::string prev_warning_message = Vlast_warning_message; |
5567 | 1901 |
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1902 if (argc > 2) |
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1903 Vlast_warning_id = argv(2); |
3934 | 1904 |
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1905 if (argc > 1) |
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1906 Vlast_warning_message = argv(1); |
5567 | 1907 |
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1908 if (argc == 1 || nargout > 0) |
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1909 { |
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1910 warning_state = 0; |
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1911 retval(1) = prev_warning_id; |
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1912 retval(0) = prev_warning_message; |
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1913 } |
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1914 } |
5567 | 1915 else |
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1916 error ("lastwarn: expecting arguments to be character strings"); |
5567 | 1917 } |
3934 | 1918 else |
5823 | 1919 print_usage (); |
3934 | 1920 |
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1921 return retval; |
897 | 1922 } |
1923 | |
1957 | 1924 DEFUN (usage, args, , |
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1925 "-*- texinfo -*-\n\ |
3373 | 1926 @deftypefn {Built-in Function} {} usage (@var{msg})\n\ |
1927 Print the message @var{msg}, prefixed by the string @samp{usage: }, and\n\ | |
1928 set Octave's internal error state such that control will return to the\n\ | |
1929 top level without evaluating any more commands. This is useful for\n\ | |
1930 aborting from functions.\n\ | |
1931 \n\ | |
1932 After @code{usage} is evaluated, Octave will print a traceback of all\n\ | |
1933 the function calls leading to the usage message.\n\ | |
899 | 1934 \n\ |
3373 | 1935 You should use this function for reporting problems errors that result\n\ |
1936 from an improper call to a function, such as calling a function with an\n\ | |
1937 incorrect number of arguments, or with arguments of the wrong type. For\n\ | |
1938 example, most functions distributed with Octave begin with code like\n\ | |
1939 this\n\ | |
1940 \n\ | |
1941 @example\n\ | |
1942 @group\n\ | |
1943 if (nargin != 2)\n\ | |
1944 usage (\"foo (a, b)\");\n\ | |
1945 endif\n\ | |
1946 @end group\n\ | |
1947 @end example\n\ | |
1948 \n\ | |
1949 @noindent\n\ | |
1950 to check for the proper number of arguments.\n\ | |
1951 @end deftypefn") | |
899 | 1952 { |
3934 | 1953 octave_value_list retval; |
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1954 handle_message (usage_with_id, "", "unknown", args, true); |
3934 | 1955 return retval; |
899 | 1956 } |
1957 | |
5794 | 1958 DEFUN (beep_on_error, args, nargout, |
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1959 "-*- texinfo -*-\n\ |
10840 | 1960 @deftypefn {Built-in Function} {@var{val} =} beep_on_error ()\n\ |
5794 | 1961 @deftypefnx {Built-in Function} {@var{old_val} =} beep_on_error (@var{new_val})\n\ |
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1962 @deftypefnx {Built-in Function} {} beep_on_error (@var{new_val}, \"local\")\n\ |
5794 | 1963 Query or set the internal variable that controls whether Octave will try\n\ |
1964 to ring the terminal bell before printing an error message.\n\ | |
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1965 \n\ |
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1966 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1967 variable is changed locally for the function and any subroutines it calls. \n\ |
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1968 The original variable value is restored when exiting the function.\n\ |
5794 | 1969 @end deftypefn") |
3707 | 1970 { |
5794 | 1971 return SET_INTERNAL_VARIABLE (beep_on_error); |
3707 | 1972 } |
1973 | |
5794 | 1974 DEFUN (debug_on_error, args, nargout, |
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1975 "-*- texinfo -*-\n\ |
10840 | 1976 @deftypefn {Built-in Function} {@var{val} =} debug_on_error ()\n\ |
5794 | 1977 @deftypefnx {Built-in Function} {@var{old_val} =} debug_on_error (@var{new_val})\n\ |
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1978 @deftypefnx {Built-in Function} {} debug_on_error (@var{new_val}, \"local\")\n\ |
5794 | 1979 Query or set the internal variable that controls whether Octave will try\n\ |
3707 | 1980 to enter the debugger when an error is encountered. This will also\n\ |
1981 inhibit printing of the normal traceback message (you will only see\n\ | |
5794 | 1982 the top-level error message).\n\ |
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1983 \n\ |
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1984 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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1985 variable is changed locally for the function and any subroutines it calls. \n\ |
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1986 The original variable value is restored when exiting the function.\n\ |
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1987 @seealso{debug_on_warning, debug_on_interrupt}\n\ |
5794 | 1988 @end deftypefn") |
1989 { | |
1990 return SET_INTERNAL_VARIABLE (debug_on_error); | |
1991 } | |
3707 | 1992 |
5794 | 1993 DEFUN (debug_on_warning, args, nargout, |
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1994 "-*- texinfo -*-\n\ |
10840 | 1995 @deftypefn {Built-in Function} {@var{val} =} debug_on_warning ()\n\ |
5794 | 1996 @deftypefnx {Built-in Function} {@var{old_val} =} debug_on_warning (@var{new_val})\n\ |
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1997 @deftypefnx {Built-in Function} {} debug_on_warning (@var{new_val}, \"local\")\n\ |
5794 | 1998 Query or set the internal variable that controls whether Octave will try\n\ |
1999 to enter the debugger when a warning is encountered.\n\ | |
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2000 \n\ |
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2001 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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2002 variable is changed locally for the function and any subroutines it calls. \n\ |
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2003 The original variable value is restored when exiting the function.\n\ |
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2004 @seealso{debug_on_error, debug_on_interrupt}\n\ |
5794 | 2005 @end deftypefn") |
2006 { | |
2007 return SET_INTERNAL_VARIABLE (debug_on_warning); | |
2174 | 2008 } |
2009 | |
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2010 std::string |
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2011 last_error_message (void) |
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2012 { |
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2013 return Vlast_error_message; |
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2014 } |
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2015 |
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2016 std::string |
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2017 last_error_id (void) |
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2018 { |
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2019 return Vlast_error_id; |
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2020 } |
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2021 |
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2022 octave_map |
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2023 last_error_stack (void) |
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2024 { |
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2025 return Vlast_error_stack; |
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2026 } |
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2027 |
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2028 std::string |
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2029 last_warning_message (void) |
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2030 { |
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2031 return Vlast_warning_message; |
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2032 } |
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2033 |
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2034 std::string |
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2035 last_warning_id (void) |
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2036 { |
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2037 return Vlast_warning_id; |
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2038 } |
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2039 |
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2040 void |
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2041 interpreter_try (unwind_protect& frame) |
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2042 { |
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2043 frame.protect_var (error_state); |
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2044 frame.protect_var (buffer_error_messages); |
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2045 frame.protect_var (Vdebug_on_error); |
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2046 frame.protect_var (Vdebug_on_warning); |
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2047 |
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2048 buffer_error_messages++; |
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2049 Vdebug_on_error = false; |
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2050 Vdebug_on_warning = false; |
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2051 } |
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2052 |
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2053 |