Mercurial > octave
annotate libinterp/corefcn/error.cc @ 20996:20bd3d4fabad
Clean up instances of make_argv().
* error.cc (Fwarning, Flasterr, Flastwarn): Use '[]' to access element of
vector, rather than '()'.
* help.cc (F__which__): Call make_argv without an argument rather than with "".
* input.cc: (Fecho): Call make_argv without an argument rather than with "".
* load-save.cc: Remove useless comments. Re-indent lines. Join lines
unnecessarily split.
* ovl.cc (make_argv): Invert if/else/error.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 27 Dec 2015 12:25:03 -0800 |
parents | 81c2b14c209f |
children | 85dfb551e4cd |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2015 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 <iomanip> |
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31 #include <iostream> |
5765 | 32 #include <sstream> |
1728 | 33 #include <string> |
34 | |
1352 | 35 #include "defun.h" |
1 | 36 #include "error.h" |
3707 | 37 #include "input.h" |
1742 | 38 #include "pager.h" |
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39 #include "ovl.h" |
5567 | 40 #include "oct-map.h" |
1352 | 41 #include "utils.h" |
2370 | 42 #include "ov.h" |
3707 | 43 #include "ov-usr-fcn.h" |
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44 #include "pt-eval.h" |
3707 | 45 #include "pt-pr-code.h" |
46 #include "pt-stmt.h" | |
47 #include "toplev.h" | |
48 #include "unwind-prot.h" | |
2370 | 49 #include "variables.h" |
1 | 50 |
2174 | 51 // TRUE means that Octave will try to beep obnoxiously before printing |
52 // error messages. | |
5794 | 53 static bool Vbeep_on_error = false; |
2174 | 54 |
3707 | 55 // TRUE means that Octave will try to enter the debugger when an error |
56 // is encountered. This will also inhibit printing of the normal | |
57 // traceback message (you will only see the top-level error message). | |
7353 | 58 bool Vdebug_on_error = false; |
3707 | 59 |
60 // TRUE means that Octave will try to enter the debugger when a warning | |
61 // is encountered. | |
7353 | 62 bool Vdebug_on_warning = false; |
3707 | 63 |
5567 | 64 // TRUE means that Octave will try to display a stack trace when a |
65 // warning is encountered. | |
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66 static bool Vbacktrace_on_warning = true; |
5567 | 67 |
68 // TRUE means that Octave will print a verbose warning. Currently unused. | |
69 static bool Vverbose_warning; | |
70 | |
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71 // TRUE means that Octave will print no warnings, but lastwarn will be updated |
5582 | 72 static bool Vquiet_warning = false; |
73 | |
5567 | 74 // A structure containing (most of) the current state of warnings. |
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75 static octave_map warning_options; |
5567 | 76 |
3935 | 77 // The text of the last error message. |
78 static std::string Vlast_error_message; | |
79 | |
3934 | 80 // The text of the last warning message. |
81 static std::string Vlast_warning_message; | |
82 | |
5567 | 83 // The last warning message id. |
84 static std::string Vlast_warning_id; | |
3934 | 85 |
5567 | 86 // The last error message id. |
87 static std::string Vlast_error_id; | |
3934 | 88 |
6361 | 89 // The last file in which an error occured |
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90 static octave_map Vlast_error_stack; |
6361 | 91 |
143 | 92 // Current error state. |
3935 | 93 // |
94 // Valid values: | |
95 // | |
96 // 0: no error | |
97 // 1: an error has occurred | |
98 // | |
672 | 99 int error_state = 0; |
100 | |
1489 | 101 // Tell the error handler whether to print messages, or just store |
102 // them for later. Used for handling errors in eval() and | |
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103 // the 'unwind_protect' statement. |
4699 | 104 int buffer_error_messages = 0; |
1489 | 105 |
3815 | 106 // TRUE means error messages are turned off. |
107 bool discard_error_messages = false; | |
108 | |
4452 | 109 // TRUE means warning messages are turned off. |
110 bool discard_warning_messages = false; | |
111 | |
4318 | 112 void |
113 reset_error_handler (void) | |
114 { | |
4699 | 115 buffer_error_messages = 0; |
4318 | 116 discard_error_messages = false; |
117 } | |
118 | |
5567 | 119 static void |
5794 | 120 initialize_warning_options (const std::string& state) |
5567 | 121 { |
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122 octave_scalar_map initw; |
5567 | 123 |
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124 initw.setfield ("identifier", "all"); |
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125 initw.setfield ("state", state); |
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126 |
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127 warning_options = initw; |
5567 | 128 } |
129 | |
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130 static octave_map |
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131 initialize_last_error_stack (void) |
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132 { |
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133 return octave_call_stack::empty_backtrace (); |
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134 } |
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135 |
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136 static void |
4732 | 137 verror (bool save_last_error, std::ostream& os, |
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138 const char *name, const char *id, const char *fmt, va_list args, |
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139 bool with_cfn = false) |
1 | 140 { |
3815 | 141 if (discard_error_messages) |
142 return; | |
143 | |
3585 | 144 if (! buffer_error_messages) |
145 flush_octave_stdout (); | |
914 | 146 |
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147 // FIXME: we really want to capture the message before it has all the |
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148 // formatting goop attached to it. We probably also want just the |
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149 // message, not the traceback information. |
3935 | 150 |
7877 | 151 std::ostringstream output_buf; |
152 | |
153 octave_vformat (output_buf, fmt, args); | |
154 | |
155 std::string base_msg = output_buf.str (); | |
156 | |
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157 bool to_beep_or_not_to_beep_p = Vbeep_on_error; |
7877 | 158 |
159 std::string msg_string; | |
160 | |
161 if (to_beep_or_not_to_beep_p) | |
162 msg_string = "\a"; | |
163 | |
164 if (name) | |
165 msg_string += std::string (name) + ": "; | |
166 | |
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167 // If with_fcn is specified, we'll attempt to prefix the message with the name |
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168 // of the current executing function. But we'll do so only if: |
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169 // 1. the name is not empty (anonymous function) |
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170 // 2. it is not already there (including the following colon) |
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171 if (with_cfn) |
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172 { |
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173 octave_function *curfcn = octave_call_stack::current (); |
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174 if (curfcn) |
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175 { |
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176 std::string cfn = curfcn->name (); |
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177 if (! cfn.empty ()) |
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178 { |
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179 cfn += ':'; |
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180 if (cfn.length () > base_msg.length () |
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181 || base_msg.compare (0, cfn.length (), cfn) != 0) |
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182 { |
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183 msg_string += cfn + ' '; |
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184 } |
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185 } |
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186 } |
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187 } |
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188 |
7880 | 189 msg_string += base_msg + "\n"; |
3935 | 190 |
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191 if (save_last_error) |
3935 | 192 { |
193 // This is the first error in a possible series. | |
5567 | 194 |
195 Vlast_error_id = id; | |
7877 | 196 Vlast_error_message = base_msg; |
6361 | 197 |
7877 | 198 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
6361 | 199 |
7877 | 200 if (fcn) |
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201 { |
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202 octave_idx_type curr_frame = -1; |
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203 |
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204 Vlast_error_stack = octave_call_stack::backtrace (0, curr_frame); |
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205 } |
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206 else |
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207 Vlast_error_stack = initialize_last_error_stack (); |
3935 | 208 } |
209 | |
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210 if (! buffer_error_messages) |
1489 | 211 { |
3935 | 212 octave_diary << msg_string; |
4732 | 213 os << msg_string; |
1489 | 214 } |
1 | 215 } |
216 | |
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217 static void |
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218 pr_where_2 (std::ostream& os, const char *fmt, va_list args) |
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219 { |
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220 if (fmt) |
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221 { |
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222 if (*fmt) |
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223 { |
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224 size_t len = strlen (fmt); |
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225 |
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226 if (len > 0) |
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227 { |
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228 if (fmt[len - 1] == '\n') |
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229 { |
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230 if (len > 1) |
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231 { |
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232 std::string tmp_fmt (fmt, len - 1); |
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233 verror (false, os, 0, "", tmp_fmt.c_str (), args); |
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234 } |
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235 } |
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236 else |
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237 verror (false, os, 0, "", fmt, args); |
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238 } |
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239 } |
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240 } |
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241 else |
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242 panic ("pr_where_2: invalid format"); |
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243 } |
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244 |
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245 static void |
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246 pr_where_1 (std::ostream& os, const char *fmt, ...) |
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247 { |
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248 va_list args; |
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249 va_start (args, fmt); |
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250 pr_where_2 (os, fmt, args); |
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251 va_end (args); |
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252 } |
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253 |
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254 static void |
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255 pr_where (std::ostream& os, const char *who) |
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256 { |
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257 std::list<octave_call_stack::stack_frame> frames |
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258 = octave_call_stack::backtrace_frames (); |
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259 |
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260 size_t nframes = frames.size (); |
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261 |
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262 if (nframes > 0) |
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263 pr_where_1 (os, "%s: called from\n", who); |
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264 |
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265 // Print the error message only if it is different from the previous one; |
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266 // Makes the output more concise and readable. |
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267 frames.unique (); |
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268 |
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269 for (std::list<octave_call_stack::stack_frame>::const_iterator p = frames.begin (); |
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270 p != frames.end (); p++) |
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271 { |
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272 const octave_call_stack::stack_frame& elt = *p; |
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273 |
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274 std::string fcn_name = elt.fcn_name (); |
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275 int line = elt.line (); |
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276 int column = elt.column (); |
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277 |
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278 pr_where_1 (os, " %s at line %d column %d\n", |
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279 fcn_name.c_str (), line, column); |
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280 } |
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281 } |
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282 |
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283 static octave_execution_exception |
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284 make_execution_exception (const char *who) |
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285 { |
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286 std::ostringstream buf; |
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287 |
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288 pr_where (buf, who); |
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289 |
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290 octave_execution_exception retval; |
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291 |
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292 retval.set_stack_trace (buf.str ()); |
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293 |
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294 return retval; |
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295 } |
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296 |
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297 static void |
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298 maybe_enter_debugger (octave_execution_exception& e, |
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299 bool show_stack_trace = false) |
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300 { |
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301 if ((interactive || forced_interactive) |
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302 && Vdebug_on_error && octave_call_stack::caller_user_code ()) |
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303 { |
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304 unwind_protect frame; |
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305 frame.protect_var (Vdebug_on_error); |
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306 Vdebug_on_error = false; |
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307 |
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308 tree_evaluator::debug_mode = true; |
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309 |
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310 tree_evaluator::current_frame = octave_call_stack::current_frame (); |
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311 |
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312 if (show_stack_trace) |
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313 { |
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314 std::string stack_trace = e.info (); |
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315 |
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316 if (! stack_trace.empty ()) |
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317 { |
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318 std::cerr << stack_trace; |
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319 |
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320 e.set_stack_trace (); |
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321 } |
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322 } |
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323 |
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324 do_keyboard (octave_value_list ()); |
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325 } |
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326 } |
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327 |
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328 // Warning messages are never buffered. |
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329 |
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330 static void |
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331 vwarning (const char *name, const char *id, const char *fmt, va_list args) |
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332 { |
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333 if (discard_warning_messages) |
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334 return; |
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335 |
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336 flush_octave_stdout (); |
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337 |
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338 std::ostringstream output_buf; |
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339 |
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340 octave_vformat (output_buf, fmt, args); |
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341 |
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342 // FIXME: we really want to capture the message before it has all the |
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343 // formatting goop attached to it. We probably also want just the |
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344 // message, not the traceback information. |
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345 |
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346 std::string base_msg = output_buf.str (); |
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347 std::string msg_string; |
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348 |
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349 if (name) |
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350 msg_string = std::string (name) + ": "; |
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351 |
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352 msg_string += base_msg + "\n"; |
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353 |
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354 Vlast_warning_id = id; |
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355 Vlast_warning_message = base_msg; |
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356 |
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357 if (! Vquiet_warning) |
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358 { |
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359 octave_diary << msg_string; |
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360 |
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361 std::cerr << msg_string; |
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362 } |
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363 } |
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364 |
1 | 365 void |
6338 | 366 vmessage (const char *name, const char *fmt, va_list args) |
367 { | |
368 verror (false, std::cerr, name, "", fmt, args); | |
369 } | |
370 | |
371 void | |
1 | 372 message (const char *name, const char *fmt, ...) |
373 { | |
374 va_list args; | |
375 va_start (args, fmt); | |
6338 | 376 vmessage (name, fmt, args); |
1 | 377 va_end (args); |
378 } | |
379 | |
380 void | |
6338 | 381 vmessage_with_id (const char *name, const char *id, const char *fmt, |
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382 va_list args) |
6338 | 383 { |
384 verror (false, std::cerr, name, id, fmt, args); | |
385 } | |
386 | |
387 void | |
5567 | 388 message_with_id (const char *name, const char *id, const char *fmt, ...) |
389 { | |
390 va_list args; | |
391 va_start (args, fmt); | |
6338 | 392 vmessage_with_id (name, id, fmt, args); |
5567 | 393 va_end (args); |
394 } | |
395 | |
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396 static void |
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397 usage_1 (octave_execution_exception& e, const char *id, |
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398 const char *fmt, va_list args) GCC_ATTR_NORETURN; |
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399 |
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400 static void |
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401 usage_1 (octave_execution_exception& e, const char *id, |
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402 const char *fmt, va_list args) |
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403 { |
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404 verror (true, std::cerr, "usage", id, fmt, args); |
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405 |
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406 maybe_enter_debugger (e); |
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407 |
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408 throw e; |
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409 } |
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410 |
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411 static void |
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412 usage_1 (const char *id, const char *fmt, va_list args) GCC_ATTR_NORETURN; |
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413 |
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414 static void |
5567 | 415 usage_1 (const char *id, const char *fmt, va_list args) |
416 { | |
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417 octave_execution_exception e = make_execution_exception ("usage"); |
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418 |
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419 usage_1 (e, id, fmt, args); |
5567 | 420 } |
421 | |
422 void | |
6338 | 423 vusage (const char *fmt, va_list args) |
424 { | |
425 usage_1 ("", fmt, args); | |
426 } | |
427 | |
428 void | |
1 | 429 usage (const char *fmt, ...) |
430 { | |
431 va_list args; | |
432 va_start (args, fmt); | |
6338 | 433 vusage (fmt, args); |
5567 | 434 va_end (args); |
435 } | |
436 | |
437 void | |
6338 | 438 vusage_with_id (const char *id, const char *fmt, va_list args) |
439 { | |
440 usage_1 (id, fmt, args); | |
441 } | |
442 | |
443 void | |
5567 | 444 usage_with_id (const char *id, const char *fmt, ...) |
445 { | |
446 va_list args; | |
447 va_start (args, fmt); | |
6338 | 448 vusage_with_id (id, fmt, args); |
1 | 449 va_end (args); |
450 } | |
451 | |
3707 | 452 static void |
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453 error_1 (octave_execution_exception& e, std::ostream& os, |
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454 const char *name, const char *id, const char *fmt, |
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455 va_list args, bool with_cfn = false) GCC_ATTR_NORETURN; |
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456 |
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457 static void |
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458 error_1 (octave_execution_exception& e, std::ostream& os, |
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459 const char *name, const char *id, const char *fmt, |
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460 va_list args, bool with_cfn) |
6000 | 461 { |
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462 bool show_stack_trace = false; |
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463 |
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464 if (fmt) |
6000 | 465 { |
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466 if (*fmt) |
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467 { |
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468 size_t len = strlen (fmt); |
6000 | 469 |
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470 if (len > 0) |
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471 { |
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472 if (fmt[len - 1] == '\n') |
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473 { |
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474 if (len > 1) |
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475 { |
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476 std::string tmp_fmt (fmt, len - 1); |
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477 verror (true, os, name, id, tmp_fmt.c_str (), |
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478 args, with_cfn); |
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479 } |
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480 |
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481 // If format ends with newline, suppress stack trace. |
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482 e.set_stack_trace (); |
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483 } |
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484 else |
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485 { |
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486 verror (true, os, name, id, fmt, args, with_cfn); |
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487 |
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488 bool in_user_code = octave_call_stack::caller_user_code () != 0; |
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489 |
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490 if (in_user_code && ! discard_error_messages) |
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491 show_stack_trace = true; |
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492 } |
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493 } |
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494 } |
6000 | 495 } |
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496 else |
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497 panic ("error_1: invalid format"); |
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498 |
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499 maybe_enter_debugger (e, show_stack_trace); |
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500 |
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501 throw e; |
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502 } |
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503 |
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504 static void |
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505 error_1 (std::ostream& os, const char *name, const char *id, |
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506 const char *fmt, va_list args, |
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507 bool with_cfn = false) GCC_ATTR_NORETURN; |
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508 |
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509 static void |
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510 error_1 (std::ostream& os, const char *name, const char *id, |
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511 const char *fmt, va_list args, bool with_cfn) |
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512 { |
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513 octave_execution_exception e = make_execution_exception ("error"); |
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514 |
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515 error_1 (e, os, name, id, fmt, args, with_cfn); |
6000 | 516 } |
517 | |
518 void | |
6338 | 519 verror (const char *fmt, va_list args) |
520 { | |
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521 error_1 (std::cerr, "error", "", fmt, args); |
6338 | 522 } |
523 | |
524 void | |
6000 | 525 error (const char *fmt, ...) |
526 { | |
527 va_list args; | |
528 va_start (args, fmt); | |
6338 | 529 verror (fmt, args); |
6000 | 530 va_end (args); |
531 } | |
532 | |
533 void | |
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534 verror (octave_execution_exception& e, const char *fmt, va_list args) |
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535 { |
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536 error_1 (e, std::cerr, "error", "", fmt, args); |
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537 } |
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538 |
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539 void |
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540 error (octave_execution_exception& e, const char *fmt, ...) |
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541 { |
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542 va_list args; |
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543 va_start (args, fmt); |
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544 verror (e, fmt, args); |
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545 va_end (args); |
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546 } |
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547 |
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548 void |
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549 verror_with_cfn (const char *fmt, va_list args) |
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550 { |
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551 error_1 (std::cerr, "error", "", fmt, args, true); |
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552 } |
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553 |
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554 void |
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555 error_with_cfn (const char *fmt, ...) |
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556 { |
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557 va_list args; |
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558 va_start (args, fmt); |
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559 verror_with_cfn (fmt, args); |
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560 va_end (args); |
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561 } |
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562 |
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563 void |
6338 | 564 verror_with_id (const char *id, const char *fmt, va_list args) |
565 { | |
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566 error_1 (std::cerr, "error", id, fmt, args); |
6338 | 567 } |
568 | |
569 void | |
6000 | 570 error_with_id (const char *id, const char *fmt, ...) |
571 { | |
572 va_list args; | |
573 va_start (args, fmt); | |
6338 | 574 verror_with_id (id, fmt, args); |
6000 | 575 va_end (args); |
576 } | |
577 | |
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578 void |
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579 verror_with_id_cfn (const char *id, const char *fmt, va_list args) |
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580 { |
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581 error_1 (std::cerr, "error", id, fmt, args, true); |
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582 } |
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583 |
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584 void |
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585 error_with_id_cfn (const char *id, const char *fmt, ...) |
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586 { |
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587 va_list args; |
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588 va_start (args, fmt); |
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589 verror_with_id_cfn (id, fmt, args); |
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590 va_end (args); |
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591 } |
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592 |
5567 | 593 static int |
594 check_state (const std::string& state) | |
595 { | |
596 // -1: not found | |
597 // 0: found, "off" | |
598 // 1: found, "on" | |
599 // 2: found, "error" | |
600 | |
601 if (state == "off") | |
602 return 0; | |
603 else if (state == "on") | |
604 return 1; | |
605 else if (state == "error") | |
606 return 2; | |
607 else | |
608 return -1; | |
609 } | |
610 | |
611 // For given warning ID, return 0 if warnings are disabled, 1 if | |
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612 // enabled, and 2 if the given ID should be an error instead of a |
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613 // warning. |
5567 | 614 |
5781 | 615 int |
5567 | 616 warning_enabled (const std::string& id) |
1 | 617 { |
5567 | 618 int retval = 0; |
619 | |
620 int all_state = -1; | |
621 int id_state = -1; | |
622 | |
623 octave_idx_type nel = warning_options.numel (); | |
624 | |
625 if (nel > 0) | |
626 { | |
627 Cell identifier = warning_options.contents ("identifier"); | |
628 Cell state = warning_options.contents ("state"); | |
629 | |
630 bool all_found = false; | |
631 bool id_found = false; | |
632 | |
633 for (octave_idx_type i = 0; i < nel; i++) | |
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634 { |
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635 octave_value ov = identifier(i); |
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636 std::string ovs = ov.string_value (); |
5567 | 637 |
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638 if (! all_found && ovs == "all") |
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639 { |
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640 all_state = check_state (state(i).string_value ()); |
5567 | 641 |
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642 if (all_state >= 0) |
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643 all_found = true; |
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644 } |
5567 | 645 |
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646 if (! id_found && ovs == id) |
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647 { |
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648 id_state = check_state (state(i).string_value ()); |
5567 | 649 |
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650 if (id_state >= 0) |
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651 id_found = true; |
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652 } |
5567 | 653 |
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654 if (all_found && id_found) |
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655 break; |
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656 } |
5567 | 657 } |
658 | |
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659 // If "all" is not present, assume warnings are enabled. |
5567 | 660 if (all_state == -1) |
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661 all_state = 1; |
5567 | 662 |
663 if (all_state == 0) | |
664 { | |
665 if (id_state >= 0) | |
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666 retval = id_state; |
5567 | 667 } |
668 else if (all_state == 1) | |
669 { | |
670 if (id_state == 0 || id_state == 2) | |
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671 retval = id_state; |
5567 | 672 else |
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673 retval = all_state; |
5567 | 674 } |
675 else if (all_state == 2) | |
7206 | 676 { |
677 if (id_state == 0) | |
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678 retval= id_state; |
7206 | 679 else |
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680 retval = all_state; |
7206 | 681 } |
5567 | 682 |
683 return retval; | |
684 } | |
685 | |
686 static void | |
687 warning_1 (const char *id, const char *fmt, va_list args) | |
688 { | |
689 int warn_opt = warning_enabled (id); | |
690 | |
691 if (warn_opt == 2) | |
692 { | |
693 // Handle this warning as an error. | |
694 | |
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695 error_1 (std::cerr, "error", id, fmt, args); |
5567 | 696 } |
697 else if (warn_opt == 1) | |
3934 | 698 { |
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699 bool fmt_suppresses_backtrace = false; |
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700 size_t fmt_len = fmt ? strlen (fmt) : 0; |
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701 fmt_suppresses_backtrace = (fmt_len > 0 && fmt[fmt_len-1] == '\n'); |
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702 |
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703 if (fmt_suppresses_backtrace && fmt_len > 1) |
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704 { |
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705 // Strip newline before issuing warning |
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706 std::string tmp_fmt (fmt, fmt_len - 1); |
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707 vwarning ("warning", id, tmp_fmt.c_str (), args); |
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708 } |
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709 else |
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710 vwarning ("warning", id, fmt, args); |
8973 | 711 |
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712 bool in_user_code = octave_call_stack::caller_user_code () != 0; |
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713 |
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714 if (! fmt_suppresses_backtrace && in_user_code |
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715 && Vbacktrace_on_warning |
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716 && ! discard_warning_messages) |
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717 pr_where (std::cerr, "warning"); |
3707 | 718 |
3934 | 719 if ((interactive || forced_interactive) |
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720 && Vdebug_on_warning && in_user_code) |
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721 { |
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722 unwind_protect frame; |
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723 frame.protect_var (Vdebug_on_warning); |
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724 Vdebug_on_warning = false; |
3707 | 725 |
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726 tree_evaluator::debug_mode = true; |
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727 |
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728 tree_evaluator::current_frame = octave_call_stack::current_frame (); |
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729 |
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730 do_keyboard (octave_value_list ()); |
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731 } |
3707 | 732 } |
1 | 733 } |
734 | |
735 void | |
6338 | 736 vwarning (const char *fmt, va_list args) |
737 { | |
738 warning_1 ("", fmt, args); | |
739 } | |
740 | |
741 void | |
5567 | 742 warning (const char *fmt, ...) |
743 { | |
744 va_list args; | |
745 va_start (args, fmt); | |
6338 | 746 vwarning (fmt, args); |
5567 | 747 va_end (args); |
748 } | |
749 | |
750 void | |
6338 | 751 vwarning_with_id (const char *id, const char *fmt, va_list args) |
752 { | |
753 warning_1 (id, fmt, args); | |
754 } | |
755 | |
756 void | |
5567 | 757 warning_with_id (const char *id, const char *fmt, ...) |
758 { | |
759 va_list args; | |
760 va_start (args, fmt); | |
6338 | 761 vwarning_with_id (id, fmt, args); |
5567 | 762 va_end (args); |
763 } | |
764 | |
765 void | |
6338 | 766 vparse_error (const char *fmt, va_list args) |
767 { | |
768 error_1 (std::cerr, 0, "", fmt, args); | |
769 } | |
770 | |
771 void | |
1005 | 772 parse_error (const char *fmt, ...) |
773 { | |
774 va_list args; | |
775 va_start (args, fmt); | |
6338 | 776 vparse_error (fmt, args); |
5567 | 777 va_end (args); |
778 } | |
779 | |
780 void | |
6338 | 781 vparse_error_with_id (const char *id, const char *fmt, va_list args) |
782 { | |
783 error_1 (std::cerr, 0, id, fmt, args); | |
784 } | |
785 | |
786 void | |
5567 | 787 parse_error_with_id (const char *id, const char *fmt, ...) |
788 { | |
789 va_list args; | |
790 va_start (args, fmt); | |
6338 | 791 vparse_error_with_id (id, fmt, args); |
1 | 792 va_end (args); |
793 } | |
794 | |
189 | 795 void |
6361 | 796 rethrow_error (const char *id, const char *fmt, ...) |
797 { | |
798 va_list args; | |
799 va_start (args, fmt); | |
6640 | 800 error_1 (std::cerr, 0, id, fmt, args); |
6361 | 801 va_end (args); |
802 } | |
803 | |
804 void | |
1 | 805 panic (const char *fmt, ...) |
806 { | |
807 va_list args; | |
808 va_start (args, fmt); | |
4699 | 809 buffer_error_messages = 0; |
3815 | 810 discard_error_messages = false; |
5567 | 811 verror (false, std::cerr, "panic", "", fmt, args); |
1 | 812 va_end (args); |
813 abort (); | |
814 } | |
815 | |
4732 | 816 static void |
817 defun_usage_message_1 (const char *fmt, ...) | |
818 { | |
819 va_list args; | |
820 va_start (args, fmt); | |
5567 | 821 error_1 (octave_stdout, 0, "", fmt, args); |
4732 | 822 va_end (args); |
823 } | |
824 | |
825 void | |
826 defun_usage_message (const std::string& msg) | |
827 { | |
828 defun_usage_message_1 ("%s", msg.c_str ()); | |
829 } | |
830 | |
5567 | 831 typedef void (*error_fun)(const char *, const char *, ...); |
1489 | 832 |
2086 | 833 extern octave_value_list Fsprintf (const octave_value_list&, int); |
1489 | 834 |
3934 | 835 static std::string |
5567 | 836 handle_message (error_fun f, const char *id, const char *msg, |
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837 const octave_value_list& args, bool have_fmt) |
528 | 838 { |
3934 | 839 std::string retval; |
528 | 840 |
3523 | 841 std::string tstr; |
1728 | 842 |
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843 if (args.length () > 0) |
528 | 844 { |
3066 | 845 octave_value arg; |
846 | |
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John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
847 if (have_fmt) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
848 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
849 octave_value_list tmp = Fsprintf (args, 1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
850 arg = tmp(0); |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
851 } |
3066 | 852 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
853 arg = args(0); |
2745 | 854 |
855 if (arg.is_defined ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
856 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
857 if (arg.is_string ()) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
858 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
859 tstr = arg.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
860 msg = tstr.c_str (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
861 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
862 if (! msg) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
863 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
864 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
865 else if (arg.is_empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
866 return retval; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
867 } |
528 | 868 } |
869 | |
1489 | 870 // Ugh. |
871 | |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
872 size_t len = strlen (msg); |
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
873 |
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
874 if (len > 0) |
1489 | 875 { |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
876 if (msg[len - 1] == '\n') |
10315
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 (len > 1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
879 { |
20827
b3f985199f3f
eliminate memory leaks in error functions
John W. Eaton <jwe@octave.org>
parents:
20826
diff
changeset
|
880 std::string tmp_msg (msg, len - 1); |
b3f985199f3f
eliminate memory leaks in error functions
John W. Eaton <jwe@octave.org>
parents:
20826
diff
changeset
|
881 f (id, "%s\n", tmp_msg.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
882 retval = tmp_msg; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
883 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
884 } |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
885 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
886 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
887 f (id, "%s", msg); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
888 retval = msg; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
889 } |
3934 | 890 } |
528 | 891 |
892 return retval; | |
893 } | |
894 | |
6361 | 895 DEFUN (rethrow, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
896 "-*- texinfo -*-\n\ |
20853
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
897 @deftypefn {} {} rethrow (@var{err})\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
898 Reissue a previous error as defined by @var{err}.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
899 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
900 @var{err} is a structure that must contain at least the @qcode{\"message\"}\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
901 and @qcode{\"identifier\"} fields. @var{err} can also contain a field\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
902 @qcode{\"stack\"} that gives information on the assumed location of the\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
903 error. Typically @var{err} is returned from @code{lasterror}.\n\ |
6361 | 904 @seealso{lasterror, lasterr, error}\n\ |
905 @end deftypefn") | |
906 { | |
907 octave_value retval; | |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
908 |
20819
f428cbe7576f
eliminate unnecessary uses of nargin
John W. Eaton <jwe@octave.org>
parents:
20817
diff
changeset
|
909 if (args.length () != 1) |
6959 | 910 print_usage (); |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
911 |
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
912 const octave_scalar_map err = args(0).scalar_map_value (); |
6361 | 913 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
914 if (! err.contains ("message") || ! err.contains ("identifier")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
915 error ("rethrow: ERR structure must contain the fields 'message and 'identifier'"); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
916 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
917 std::string msg = err.contents ("message").string_value (); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
918 std::string id = err.contents ("identifier").string_value (); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
919 int len = msg.length (); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
920 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
921 std::string file; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
922 std::string nm; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
923 int l = -1; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
924 int c = -1; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
925 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
926 octave_map err_stack = initialize_last_error_stack (); |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
927 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
928 if (err.contains ("stack")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
929 { |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
930 err_stack = err.contents ("stack").map_value (); |
6483 | 931 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
932 if (err_stack.numel () > 0) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
933 { |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
934 if (err_stack.contains ("file")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
935 file = err_stack.contents ("file")(0).string_value (); |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
936 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
937 if (err_stack.contains ("name")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
938 nm = err_stack.contents ("name")(0).string_value (); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
939 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
940 if (err_stack.contains ("line")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
941 l = err_stack.contents ("line")(0).nint_value (); |
6483 | 942 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
943 if (err_stack.contains ("column")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
944 c = err_stack.contents ("column")(0).nint_value (); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
945 } |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
946 } |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
947 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
948 // Ugh. |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
949 std::string tmp_msg (msg); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
950 if (tmp_msg[len-1] == '\n') |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
951 { |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
952 if (len > 1) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
953 { |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
954 tmp_msg.erase (len - 1); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
955 rethrow_error (id.c_str (), "%s\n", tmp_msg.c_str ()); |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
956 } |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
957 } |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
958 else |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
959 rethrow_error (id.c_str (), "%s", tmp_msg.c_str ()); |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
960 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
961 // FIXME: is this the right thing to do for Vlast_error_stack? |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
962 // Should it be saved and restored with unwind_protect? |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
963 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
964 Vlast_error_stack = err_stack; |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
965 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
966 if (err.contains ("stack")) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
967 { |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
968 if (file.empty ()) |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
969 { |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
970 if (nm.empty ()) |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
971 { |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
972 if (l > 0) |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
973 { |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
974 if (c > 0) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
975 pr_where_1 (std::cerr, |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
976 "error: near line %d, column %d", |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
977 l, c); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
978 else |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
979 pr_where_1 (std::cerr, "error: near line %d", l); |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
980 } |
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
981 } |
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
982 else |
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
983 { |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20897
diff
changeset
|
984 if (l > 0) |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
985 { |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
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986 if (c > 0) |
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987 pr_where_1 (std::cerr, |
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988 "error: called from '%s' near line %d, column %d", |
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989 nm.c_str (), l, c); |
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990 else |
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991 pr_where_1 (std::cerr, |
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992 "error: called from '%d' near line %d", |
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993 nm.c_str (), l); |
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eliminate return statements after calls to print_usage
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|
994 } |
20918
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995 } |
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996 } |
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997 else |
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998 { |
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999 if (nm.empty ()) |
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1000 { |
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1001 if (l > 0) |
20803
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
1002 { |
20918
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1003 if (c > 0) |
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1004 pr_where_1 (std::cerr, |
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1005 "error: in file %s near line %d, column %d", |
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1006 file.c_str (), l, c); |
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1007 else |
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|
1008 pr_where_1 (std::cerr, |
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|
1009 "error: in file %s near line %d", |
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|
1010 file.c_str (), l); |
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|
1011 } |
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|
1012 } |
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|
1013 else |
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|
1014 { |
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|
1015 if (l > 0) |
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|
1016 { |
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|
1017 if (c > 0) |
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1018 pr_where_1 (std::cerr, |
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1019 "error: called from '%s' in file %s near line %d, column %d", |
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|
1020 nm.c_str (), file.c_str (), l, c); |
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diff
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|
1021 else |
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|
1022 pr_where_1 (std::cerr, |
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|
1023 "error: called from '%d' in file %s near line %d", |
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|
1024 nm.c_str (), file.c_str (), l); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1025 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
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|
1026 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
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|
1027 } |
6361 | 1028 } |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
1029 |
6361 | 1030 return retval; |
1031 } | |
1032 | |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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|
1033 // 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>
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14361
diff
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|
1034 // should be handled as the message identifier or as the format string. |
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
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|
1035 |
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John W. Eaton <jwe@octave.org>
parents:
14361
diff
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|
1036 static bool |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1037 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>
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|
1038 const octave_value_list& args, |
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1039 octave_value_list& nargs, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
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|
1040 std::string& id) |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1041 { |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
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|
1042 nargs = args; |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
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|
1043 id = std::string (); |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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diff
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|
1044 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
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|
1045 int nargin = args.length (); |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
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diff
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|
1046 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1047 bool have_fmt = nargin > 1; |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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14361
diff
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|
1048 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
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|
1049 if (nargin > 0) |
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
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diff
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|
1050 { |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1051 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
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|
1052 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
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|
1053 // For compatibility with Matlab, an identifier must contain |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
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|
1054 // ':', but not at the beginning or the end, and it must not |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1055 // contain '%' (even if it is not a valid conversion |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
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|
1056 // operator) or whitespace. |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1057 |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1058 if (arg1.find_first_of ("% \f\n\r\t\v") == std::string::npos |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1059 && arg1.find (':') != std::string::npos |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
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|
1060 && arg1[0] != ':' |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1061 && arg1[arg1.length ()-1] != ':') |
14558
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
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diff
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|
1062 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1063 if (nargin > 1) |
14558
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1064 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1065 id = arg1; |
14558
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
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|
1066 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1067 nargs.resize (nargin-1); |
14558
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
parents:
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|
1068 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1069 for (int i = 1; i < nargin; i++) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1070 nargs(i-1) = args(i); |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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|
1071 } |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1072 else |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1073 nargs(0) = "call to " + caller |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1074 + " with message identifier requires message"; |
14558
0c9c85e702ca
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diff
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|
1075 } |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1076 } |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
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parents:
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diff
changeset
|
1077 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
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parents:
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diff
changeset
|
1078 return have_fmt; |
0c9c85e702ca
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John W. Eaton <jwe@octave.org>
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diff
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|
1079 } |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1080 |
1957 | 1081 DEFUN (error, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1082 "-*- texinfo -*-\n\ |
20853
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1083 @deftypefn {} {} error (@var{template}, @dots{})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1084 @deftypefnx {} {} error (@var{id}, @var{template}, @dots{})\n\ |
20172
4f45eaf83908
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Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1085 Display an error message and stop m-file execution.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1086 \n\ |
5781 | 1087 Format the optional arguments under the control of the template string\n\ |
1088 @var{template} using the same rules as the @code{printf} family of\n\ | |
1089 functions (@pxref{Formatted Output}) and print the resulting message\n\ | |
1090 on the @code{stderr} stream. The message is prefixed by the character\n\ | |
1091 string @samp{error: }.\n\ | |
3373 | 1092 \n\ |
1093 Calling @code{error} also sets Octave's internal error state such that\n\ | |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1094 control will return to the top level without evaluating any further\n\ |
3373 | 1095 commands. This is useful for aborting from functions or scripts.\n\ |
897 | 1096 \n\ |
19334
1213af866a89
doc: Fix backslash not showing in error/warning docs due to escape processing.
Rik <rik@octave.org>
parents:
18126
diff
changeset
|
1097 If the error message does not end with a newline character, Octave will\n\ |
3373 | 1098 print a traceback of all the function calls leading to the error. For\n\ |
1099 example, given the following function definitions:\n\ | |
1100 \n\ | |
1101 @example\n\ | |
1102 @group\n\ | |
6671 | 1103 function f () g (); end\n\ |
1104 function g () h (); end\n\ | |
3373 | 1105 function h () nargin == 1 || error (\"nargin != 1\"); end\n\ |
1106 @end group\n\ | |
1107 @end example\n\ | |
1489 | 1108 \n\ |
3373 | 1109 @noindent\n\ |
1110 calling the function @code{f} will result in a list of messages that\n\ | |
1111 can help you to quickly locate the exact location of the error:\n\ | |
1489 | 1112 \n\ |
9153
5247e89688e1
Eliminate most overfull errors when running texi2pdf for generating pdf documentation
Rik <rdrider0-list@yahoo.com>
parents:
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changeset
|
1113 @example\n\ |
3373 | 1114 @group\n\ |
1115 f ()\n\ | |
1116 error: nargin != 1\n\ | |
8015
30629059b72d
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sh@sh-laptop
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7977
diff
changeset
|
1117 error: called from:\n\ |
30629059b72d
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changeset
|
1118 error: error at line -1, column -1\n\ |
30629059b72d
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diff
changeset
|
1119 error: h at line 1, column 27\n\ |
30629059b72d
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diff
changeset
|
1120 error: g at line 1, column 15\n\ |
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diff
changeset
|
1121 error: f at line 1, column 15\n\ |
3373 | 1122 @end group\n\ |
9153
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|
1123 @end example\n\ |
3373 | 1124 \n\ |
19334
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Rik <rik@octave.org>
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diff
changeset
|
1125 If the error message ends in a newline character, Octave will print the\n\ |
3373 | 1126 message but will not display any traceback messages as it returns\n\ |
1127 control to the top level. For example, modifying the error message\n\ | |
19334
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Rik <rik@octave.org>
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|
1128 in the previous example to end in a newline causes Octave to only print\n\ |
3373 | 1129 a single message:\n\ |
1130 \n\ | |
1131 @example\n\ | |
1132 @group\n\ | |
1133 function h () nargin == 1 || error (\"nargin != 1\\n\"); end\n\ | |
1134 f ()\n\ | |
1135 error: nargin != 1\n\ | |
1136 @end group\n\ | |
1137 @end example\n\ | |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
parents:
15088
diff
changeset
|
1138 \n\ |
16770
2b86cb4e172b
doc: clarify docstring regarding null input to error() (bug #39271).
Rik <rik@octave.org>
parents:
16492
diff
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|
1139 A null string (\"\") input to @code{error} will be ignored and the code\n\ |
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1140 will continue running as if the statement were a NOP@. This is for\n\ |
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|
1141 compatibility with @sc{matlab}. It also makes it possible to write code such\n\ |
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1142 as\n\ |
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1143 \n\ |
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|
1144 @example\n\ |
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|
1145 @group\n\ |
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|
1146 err_msg = \"\";\n\ |
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|
1147 if (CONDITION 1)\n\ |
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|
1148 err_msg = \"CONDITION 1 found\";\n\ |
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|
1149 elseif (CONDITION2)\n\ |
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|
1150 err_msg = \"CONDITION 2 found\";\n\ |
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|
1151 @dots{}\n\ |
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|
1152 endif\n\ |
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|
1153 error (err_msg);\n\ |
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|
1154 @end group\n\ |
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|
1155 @end example\n\ |
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|
1156 \n\ |
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|
1157 @noindent\n\ |
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|
1158 which will only stop execution if an error has been found.\n\ |
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1159 \n\ |
15173
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|
1160 Implementation Note: For compatibility with @sc{matlab}, escape\n\ |
20101
e51473fdb622
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|
1161 sequences in @var{template} (e.g., @qcode{\"@xbackslashchar{}n\"} =>\n\ |
e51473fdb622
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1162 newline) are processed regardless of whether @var{template} has been defined\n\ |
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|
1163 with single quotes, as long as there are two or more input arguments. To\n\ |
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diff
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|
1164 disable escape sequence expansion use a second backslash before the sequence\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
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diff
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|
1165 (e.g., @qcode{\"@xbackslashchar{}@xbackslashchar{}n\"}) or use the\n\ |
20101
e51473fdb622
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|
1166 @code{regexptranslate} function.\n\ |
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|
1167 @seealso{warning, lasterror}\n\ |
3373 | 1168 @end deftypefn") |
897 | 1169 { |
7252 | 1170 |
1171 int nargin = args.length (); | |
1172 | |
20918
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|
1173 if (nargin == 0) |
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|
1174 print_usage (); |
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|
1175 |
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|
1176 octave_value retval; |
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|
1177 |
7252 | 1178 octave_value_list nargs = args; |
1179 | |
1180 std::string id; | |
1181 | |
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1182 bool have_fmt = false; |
5567 | 1183 |
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1184 if (nargin == 1 && args(0).is_map ()) |
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1185 { |
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|
1186 // empty struct is not an error. return and resume calling function. |
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|
1187 if (args(0).is_empty ()) |
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|
1188 return retval; |
13709
a0875c6cab7e
error.cc: Don't complain if error struct input is empty (Matlab compatability)
Rik <octave@nomad.inbox5.com>
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|
1189 |
20803
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|
1190 octave_value_list tmp; |
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1191 |
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1192 octave_scalar_map m = args(0).scalar_map_value (); |
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1193 |
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|
1194 // empty struct is not an error. return and resume calling function. |
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|
1195 if (m.nfields () == 0) |
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|
1196 return retval; |
12705
4972eb61c6d6
Fix bug with error() not accepting an empty struct input (Bug #33428).
Rik <octave@nomad.inbox5.com>
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|
1197 |
20803
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1198 if (m.contains ("message")) |
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|
1199 { |
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|
1200 octave_value c = m.getfield ("message"); |
7252 | 1201 |
20803
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1202 if (c.is_string ()) |
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1203 nargs(0) = c.string_value (); |
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|
1204 } |
9675
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|
1205 |
20803
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|
1206 if (m.contains ("identifier")) |
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|
1207 { |
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|
1208 octave_value c = m.getfield ("identifier"); |
7252 | 1209 |
20803
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|
1210 if (c.is_string ()) |
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|
1211 id = c.string_value (); |
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|
1212 } |
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John W. Eaton <jwe@octave.org>
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|
1213 |
20803
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|
1214 // FIXME: also need to handle "stack" field in error structure, |
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1215 // but that will require some more significant surgery on |
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|
1216 // handle_message, error_with_id, etc. |
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|
1217 } |
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|
1218 else |
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|
1219 have_fmt = maybe_extract_message_id ("error", args, nargs, id); |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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diff
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|
1220 |
20803
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|
1221 handle_message (error_with_id, id.c_str (), "unspecified error", |
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|
1222 nargs, have_fmt); |
7252 | 1223 |
3934 | 1224 return retval; |
1489 | 1225 } |
897 | 1226 |
15427
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diff
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|
1227 static octave_scalar_map |
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|
1228 warning_query (const std::string& id_arg) |
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|
1229 { |
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|
1230 octave_scalar_map retval; |
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|
1231 |
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|
1232 std::string id = id_arg; |
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|
1233 |
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|
1234 if (id == "last") |
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|
1235 id = Vlast_warning_id; |
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|
1236 |
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|
1237 Cell ident = warning_options.contents ("identifier"); |
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|
1238 Cell state = warning_options.contents ("state"); |
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|
1239 |
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|
1240 octave_idx_type nel = ident.numel (); |
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1241 |
20535
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|
1242 assert (nel != 0); |
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|
1243 |
15427
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|
1244 bool found = false; |
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1245 |
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|
1246 std::string val; |
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1247 |
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1248 for (octave_idx_type i = 0; i < nel; i++) |
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1249 { |
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1250 if (ident(i).string_value () == id) |
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1251 { |
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1252 val = state(i).string_value (); |
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|
1253 found = true; |
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1254 break; |
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1255 } |
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1256 } |
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1257 |
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1258 if (! found) |
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|
1259 { |
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1260 for (octave_idx_type i = 0; i < nel; i++) |
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1261 { |
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1262 if (ident(i).string_value () == "all") |
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1263 { |
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1264 val = state(i).string_value (); |
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|
1265 found = true; |
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|
1266 break; |
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1267 } |
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1268 } |
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1269 } |
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1270 |
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1271 // The warning state "all" is always supposed to remain in the list, |
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|
1272 // so we should always find a state, either explicitly or by using the |
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1273 // state for "all". |
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|
1274 |
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|
1275 assert (found); |
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|
1276 |
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1277 retval.assign ("identifier", id); |
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|
1278 retval.assign ("state", val); |
15427
6823ad7a25b1
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|
1279 |
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|
1280 return retval; |
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|
1281 } |
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|
1282 |
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1283 static std::string |
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1284 default_warning_state (void) |
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1285 { |
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1286 std::string retval = "on"; |
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1287 |
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1288 Cell ident = warning_options.contents ("identifier"); |
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1289 Cell state = warning_options.contents ("state"); |
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1290 |
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|
1291 octave_idx_type nel = ident.numel (); |
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1292 |
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1293 for (octave_idx_type i = 0; i < nel; i++) |
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1294 { |
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1295 if (ident(i).string_value () == "all") |
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1296 { |
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1297 retval = state(i).string_value (); |
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1298 break; |
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1299 } |
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1300 } |
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1301 |
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1302 return retval; |
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1303 } |
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1304 |
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|
1305 static void |
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1306 display_warning_options (std::ostream& os) |
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1307 { |
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1308 Cell ident = warning_options.contents ("identifier"); |
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1309 Cell state = warning_options.contents ("state"); |
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1310 |
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1311 octave_idx_type nel = ident.numel (); |
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1312 |
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1313 std::string all_state = default_warning_state (); |
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1314 |
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1315 if (all_state == "on") |
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1316 os << "By default, warnings are enabled."; |
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1317 else if (all_state == "off") |
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1318 os << "By default, warnings are disabled."; |
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1319 else if (all_state == "error") |
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1320 os << "By default, warnings are treated as errors."; |
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1321 else |
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|
1322 panic_impossible (); |
19597
db92e7e28e1f
strip trailing whitespace from most source files
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|
1323 |
19439
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1324 if (nel > 1) |
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1325 os << "\n\n"; |
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|
1326 |
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|
1327 // The state for all is always supposed to be first in the list. |
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|
1328 |
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|
1329 for (octave_idx_type i = 1; i < nel; i++) |
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|
1330 { |
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|
1331 std::string tid = ident(i).string_value (); |
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|
1332 std::string tst = state(i).string_value (); |
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|
1333 |
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|
1334 os << std::setw (7) << tst << " " << tid << "\n"; |
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1335 } |
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|
1336 |
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|
1337 os << std::endl; |
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1338 } |
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|
1339 |
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|
1340 static void |
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|
1341 set_warning_option (const std::string& state, const std::string& ident) |
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|
1342 { |
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|
1343 if (ident == "all") |
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|
1344 { |
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|
1345 initialize_warning_options (state); |
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|
1346 return; |
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|
1347 } |
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|
1348 |
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|
1349 std::string all_state = default_warning_state (); |
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|
1350 |
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|
1351 if (state != "on" && state != "off" && state != "error") |
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|
1352 error ("invalid warning state: %s", state.c_str ()); |
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|
1353 |
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|
1354 Cell tid = warning_options.contents ("identifier"); |
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|
1355 Cell tst = warning_options.contents ("state"); |
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|
1356 |
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|
1357 octave_idx_type nel = tid.numel (); |
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|
1358 |
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|
1359 for (octave_idx_type i = 0; i < nel; i++) |
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|
1360 { |
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|
1361 if (tid(i).string_value () == ident) |
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|
1362 { |
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|
1363 // We found it in the current list of options. If the state |
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|
1364 // for "all" is same as arg1, we can simply remove the item |
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|
1365 // from the list. |
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|
1366 |
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|
1367 if (state == all_state) |
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1368 { |
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|
1369 for (i = i + 1; i < nel; i++) |
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1370 { |
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|
1371 tid(i-1) = tid(i); |
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|
1372 tst(i-1) = tst(i); |
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1373 } |
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|
1374 |
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|
1375 tid.resize (dim_vector (1, nel-1)); |
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|
1376 tst.resize (dim_vector (1, nel-1)); |
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1377 } |
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|
1378 else |
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|
1379 tst(i) = state; |
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|
1380 |
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|
1381 warning_options.clear (); |
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|
1382 |
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|
1383 warning_options.assign ("identifier", tid); |
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|
1384 warning_options.assign ("state", tst); |
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|
1385 |
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|
1386 return; |
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|
1387 } |
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|
1388 } |
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|
1389 |
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|
1390 // The option wasn't already in the list. Append it. |
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1391 |
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|
1392 tid.resize (dim_vector (1, nel+1)); |
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fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1393 tst.resize (dim_vector (1, nel+1)); |
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fix handling of options struct passed to warning function (bug #36393)
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1394 |
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|
1395 tid(nel) = ident; |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1396 tst(nel) = state; |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1397 |
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John W. Eaton <jwe@octave.org>
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diff
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|
1398 warning_options.clear (); |
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fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
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|
1399 |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
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diff
changeset
|
1400 warning_options.assign ("identifier", tid); |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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diff
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|
1401 warning_options.assign ("state", tst); |
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fix handling of options struct passed to warning function (bug #36393)
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|
1402 } |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
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|
1403 |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
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8347
diff
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|
1404 DEFUN (warning, args, nargout, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1405 "-*- texinfo -*-\n\ |
20853
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
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20829
diff
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|
1406 @deftypefn {} {} warning (@var{template}, @dots{})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1407 @deftypefnx {} {} warning (@var{id}, @var{template}, @dots{})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1408 @deftypefnx {} {} warning (\"on\", @var{id})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1409 @deftypefnx {} {} warning (\"off\", @var{id})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1410 @deftypefnx {} {} warning (\"query\", @var{id})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1411 @deftypefnx {} {} warning (\"error\", @var{id})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1412 @deftypefnx {} {} warning (@var{state}, \"backtrace\")\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1413 @deftypefnx {} {} warning (@var{state}, @var{id}, \"local\")\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1414 Display a warning message or control the behavior of Octave's warning system.\n\ |
4f45eaf83908
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Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1415 \n\ |
5781 | 1416 Format the optional arguments under the control of the template string\n\ |
1417 @var{template} using the same rules as the @code{printf} family of\n\ | |
1418 functions (@pxref{Formatted Output}) and print the resulting message\n\ | |
1419 on the @code{stderr} stream. The message is prefixed by the character\n\ | |
1420 string @samp{warning: }.\n\ | |
1421 You should use this function when you want to notify the user\n\ | |
3600 | 1422 of an unusual condition, but only when it makes sense for your program\n\ |
1423 to go on.\n\ | |
5781 | 1424 \n\ |
1425 The optional message identifier allows users to enable or disable\n\ | |
15524
15628a84a4fa
Document form of warning IDs is NAMESPACE:WARNING-NAME (bug #37559)
Rik <rik@octave.org>
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15466
diff
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|
1426 warnings tagged by @var{id}. A message identifier is of the form\n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
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|
1427 \"NAMESPACE:WARNING-NAME\". Octave's own warnings use the @qcode{\"Octave\"}\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
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|
1428 namespace (@pxref{XREFwarning_ids}). The special identifier @qcode{\"all\"}\n\ |
15524
15628a84a4fa
Document form of warning IDs is NAMESPACE:WARNING-NAME (bug #37559)
Rik <rik@octave.org>
parents:
15466
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|
1429 may be used to set the state of all warnings.\n\ |
5781 | 1430 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
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|
1431 If the first argument is @qcode{\"on\"} or @qcode{\"off\"},\n\ |
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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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|
1432 set the state of a particular warning using the identifier @var{id}. If the\n\ |
bc924baa2c4e
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Rik <rik@octave.org>
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17097
diff
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|
1433 first argument is @qcode{\"query\"}, query the state of this warning\n\ |
bc924baa2c4e
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Rik <rik@octave.org>
parents:
17097
diff
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|
1434 instead. If the identifier is omitted, a value of @qcode{\"all\"} is\n\ |
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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|
1435 assumed. If you set the state of a warning to @qcode{\"error\"}, the\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1436 warning named by @var{id} is handled as if it were an error instead. So,\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1437 for example, the following handles all warnings as errors:\n\ |
14072
d0d9c5d2e434
doc: Reformat and clarify warning's docstring
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
14055
diff
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|
1438 \n\ |
d0d9c5d2e434
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
14055
diff
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|
1439 @example\n\ |
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
14055
diff
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|
1440 @group\n\ |
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
14055
diff
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|
1441 warning (\"error\");\n\ |
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
14055
diff
changeset
|
1442 @end group\n\ |
d0d9c5d2e434
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
14055
diff
changeset
|
1443 @end example\n\ |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
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15088
diff
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|
1444 \n\ |
18128
d96747f74b1e
enable "backtrace" warning by default and document option
John W. Eaton <jwe@octave.org>
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17787
diff
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|
1445 If the state is @qcode{\"on\"} or @qcode{\"off\"} and the third argument\n\ |
d96747f74b1e
enable "backtrace" warning by default and document option
John W. Eaton <jwe@octave.org>
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diff
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|
1446 is @qcode{\"backtrace\"}, then a stack trace is printed along with the\n\ |
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enable "backtrace" warning by default and document option
John W. Eaton <jwe@octave.org>
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17787
diff
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|
1447 warning message when warnings occur inside function calls. This option\n\ |
d96747f74b1e
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John W. Eaton <jwe@octave.org>
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17787
diff
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|
1448 is enabled by default.\n\ |
d96747f74b1e
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John W. Eaton <jwe@octave.org>
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17787
diff
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|
1449 \n\ |
17281
bc924baa2c4e
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Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1450 If the state is @qcode{\"on\"}, @qcode{\"off\"}, or @qcode{\"error\"}\n\ |
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Rik <rik@octave.org>
parents:
17097
diff
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|
1451 and the third argument is @qcode{\"local\"}, then the warning state\n\ |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
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diff
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|
1452 will be set temporarily, until the end of the current function.\n\ |
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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|
1453 Changes to warning states that are set locally affect the current\n\ |
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diff
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|
1454 function and all functions called from the current scope. The\n\ |
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|
1455 previous warning state is restored on return from the current\n\ |
17281
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Rik <rik@octave.org>
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diff
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|
1456 function. The @qcode{\"local\"} option is ignored if used in the top-level\n\ |
15427
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diff
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|
1457 workspace.\n\ |
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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|
1458 \n\ |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
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15088
diff
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|
1459 Implementation Note: For compatibility with @sc{matlab}, escape\n\ |
20101
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
20041
diff
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|
1460 sequences in @var{template} (e.g., @qcode{\"@xbackslashchar{}n\"} =>\n\ |
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
20041
diff
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|
1461 newline) are processed regardless of whether @var{template} has been defined\n\ |
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doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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20041
diff
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|
1462 with single quotes, as long as there are two or more input arguments. To\n\ |
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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20041
diff
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|
1463 disable escape sequence expansion use a second backslash before the sequence\n\ |
20172
4f45eaf83908
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Rik <rik@octave.org>
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20140
diff
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|
1464 (e.g., @qcode{\"@xbackslashchar{}@xbackslashchar{}n\"}) or use the\n\ |
20101
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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20041
diff
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|
1465 @code{regexptranslate} function.\n\ |
15173
8593bed236f1
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Rik <rik@octave.org>
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|
1466 @seealso{warning_ids, lastwarn, error}\n\ |
3373 | 1467 @end deftypefn") |
1489 | 1468 { |
5567 | 1469 octave_value retval; |
3934 | 1470 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
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20853
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|
1471 int nargin = args.length (); |
3935 | 1472 bool done = false; |
3934 | 1473 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
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20853
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|
1474 if (nargin > 0 && args.all_strings_p ()) |
3935 | 1475 { |
1476 string_vector argv = args.make_argv ("warning"); | |
1477 | |
20996 | 1478 std::string arg1 = argv[1]; |
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|
1479 std::string arg2 = "all"; |
5567 | 1480 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
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20853
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|
1481 if (nargin >= 2) |
20996 | 1482 arg2 = argv[2]; |
5567 | 1483 |
20678
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1484 if (arg1 == "on" || arg1 == "off" || arg1 == "error") |
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1485 { |
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1486 octave_map old_warning_options = warning_options; |
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1487 |
20996 | 1488 if (nargin == 3 && argv[3] == "local" |
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1489 && ! symbol_table::at_top_level ()) |
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1490 { |
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1491 symbol_table::scope_id scope |
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1492 = octave_call_stack::current_scope (); |
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1493 |
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1494 symbol_table::context_id context |
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1495 = octave_call_stack::current_context (); |
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|
1496 |
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1497 octave_scalar_map val = warning_query (arg2); |
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1498 |
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1499 octave_value curr_state = val.contents ("state"); |
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1500 |
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1501 // FIXME: this might be better with a dictionary object. |
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1502 |
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1503 octave_value curr_warning_states |
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1504 = symbol_table::varval (".saved_warning_states.", |
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1505 scope, context); |
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1506 |
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1507 octave_map m; |
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1508 |
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1509 if (curr_warning_states.is_defined ()) |
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1510 m = curr_warning_states.map_value (); |
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1511 else |
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1512 { |
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1513 string_vector fields (2); |
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1514 |
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|
1515 fields(0) = "identifier"; |
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1516 fields(1) = "state"; |
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1517 |
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1518 m = octave_map (dim_vector (0, 1), fields); |
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20666
diff
changeset
|
1519 } |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1520 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1521 Cell ids = m.contents ("identifier"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1522 Cell states = m.contents ("state"); |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1523 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1524 octave_idx_type nel = states.numel (); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1525 bool found = false; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1526 octave_idx_type i; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1527 for (i = 0; i < nel; i++) |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1528 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1529 std::string id = ids(i).string_value (); |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1530 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1531 if (id == arg2) |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1532 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1533 states(i) = curr_state; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1534 found = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1535 break; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1536 } |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1537 } |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1538 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1539 if (! found) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1540 { |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1541 m.resize (dim_vector (nel+1, 1)); |
4b00afb5e9c3
eliminate more uses of error_state
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changeset
|
1542 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1543 ids.resize (dim_vector (nel+1, 1)); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1544 states.resize (dim_vector (nel+1, 1)); |
3934 | 1545 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1546 ids(nel) = arg2; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1547 states(nel) = curr_state; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1548 } |
7202 | 1549 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1550 m.contents ("identifier") = ids; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1551 m.contents ("state") = states; |
7202 | 1552 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1553 symbol_table::assign |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1554 (".saved_warning_states.", m, scope, context); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1555 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1556 // Now ignore the "local" argument and continue to |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1557 // handle the current setting. |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1558 nargin--; |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1559 } |
7202 | 1560 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1561 if (arg2 == "all") |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1562 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1563 octave_map tmp; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1564 |
4b00afb5e9c3
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changeset
|
1565 Cell id (1, 1); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1566 Cell st (1, 1); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1567 |
4b00afb5e9c3
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changeset
|
1568 id(0) = arg2; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1569 st(0) = arg1; |
7206 | 1570 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1571 // Since internal Octave functions are not compatible, |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1572 // turning all warnings into errors should leave the state of |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1573 // Octave:language-extension alone. |
7202 | 1574 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1575 if (arg1 == "error" && warning_options.contains ("identifier")) |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1576 { |
4b00afb5e9c3
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20666
diff
changeset
|
1577 octave_idx_type n = 1; |
7202 | 1578 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1579 Cell tid = warning_options.contents ("identifier"); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1580 Cell tst = warning_options.contents ("state"); |
7202 | 1581 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1582 for (octave_idx_type i = 0; i < tid.numel (); i++) |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1583 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1584 octave_value vid = tid(i); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1585 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1586 if (vid.is_string ()) |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1587 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1588 std::string key = vid.string_value (); |
7202 | 1589 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1590 if (key == "Octave:language-extension" |
4b00afb5e9c3
eliminate more uses of error_state
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20666
diff
changeset
|
1591 || key == "Octave:single-quote-string") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1592 { |
4b00afb5e9c3
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diff
changeset
|
1593 id.resize (dim_vector (1, n+1)); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1594 st.resize (dim_vector (1, n+1)); |
7206 | 1595 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1596 id(n) = tid(i); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1597 st(n) = tst(i); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1598 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1599 n++; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1600 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1601 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1602 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1603 } |
5567 | 1604 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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20666
diff
changeset
|
1605 tmp.assign ("identifier", id); |
4b00afb5e9c3
eliminate more uses of error_state
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20666
diff
changeset
|
1606 tmp.assign ("state", st); |
5582 | 1607 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1608 warning_options = tmp; |
5567 | 1609 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1610 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1611 } |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1612 else if (arg2 == "backtrace") |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1613 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1614 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1615 { |
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eliminate more uses of error_state
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diff
changeset
|
1616 Vbacktrace_on_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
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changeset
|
1617 done = true; |
4b00afb5e9c3
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diff
changeset
|
1618 } |
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diff
changeset
|
1619 } |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1620 else if (arg2 == "debug") |
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diff
changeset
|
1621 { |
4b00afb5e9c3
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diff
changeset
|
1622 if (arg1 != "error") |
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diff
changeset
|
1623 { |
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diff
changeset
|
1624 Vdebug_on_warning = (arg1 == "on"); |
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eliminate more uses of error_state
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diff
changeset
|
1625 done = true; |
4b00afb5e9c3
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diff
changeset
|
1626 } |
4b00afb5e9c3
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diff
changeset
|
1627 } |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1628 else if (arg2 == "verbose") |
4b00afb5e9c3
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diff
changeset
|
1629 { |
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changeset
|
1630 if (arg1 != "error") |
4b00afb5e9c3
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changeset
|
1631 { |
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changeset
|
1632 Vverbose_warning = (arg1 == "on"); |
4b00afb5e9c3
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changeset
|
1633 done = true; |
4b00afb5e9c3
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diff
changeset
|
1634 } |
4b00afb5e9c3
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diff
changeset
|
1635 } |
4b00afb5e9c3
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diff
changeset
|
1636 else if (arg2 == "quiet") |
4b00afb5e9c3
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diff
changeset
|
1637 { |
4b00afb5e9c3
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diff
changeset
|
1638 if (arg1 != "error") |
4b00afb5e9c3
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diff
changeset
|
1639 { |
4b00afb5e9c3
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changeset
|
1640 Vquiet_warning = (arg1 == "on"); |
4b00afb5e9c3
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changeset
|
1641 done = true; |
4b00afb5e9c3
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diff
changeset
|
1642 } |
4b00afb5e9c3
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diff
changeset
|
1643 } |
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diff
changeset
|
1644 else |
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diff
changeset
|
1645 { |
4b00afb5e9c3
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diff
changeset
|
1646 if (arg2 == "last") |
4b00afb5e9c3
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diff
changeset
|
1647 arg2 = Vlast_warning_id; |
4b00afb5e9c3
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changeset
|
1648 |
4b00afb5e9c3
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changeset
|
1649 set_warning_option (arg1, arg2); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1650 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1651 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1652 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1653 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1654 if (done && nargout > 0) |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1655 retval = old_warning_options; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1656 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1657 else if (arg1 == "query") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1658 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1659 if (arg2 == "all") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1660 retval = warning_options; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1661 else if (arg2 == "backtrace" || arg2 == "debug" |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1662 || arg2 == "verbose" || arg2 == "quiet") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1663 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1664 octave_scalar_map tmp; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1665 tmp.assign ("identifier", arg2); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1666 if (arg2 == "backtrace") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1667 tmp.assign ("state", Vbacktrace_on_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1668 else if (arg2 == "debug") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1669 tmp.assign ("state", Vdebug_on_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1670 else if (arg2 == "verbose") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1671 tmp.assign ("state", Vverbose_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1672 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1673 tmp.assign ("state", Vquiet_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1674 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1675 retval = tmp; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1676 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1677 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1678 retval = warning_query (arg2); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1679 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1680 done = true; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1681 } |
3934 | 1682 } |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1683 else if (nargin == 0) |
5567 | 1684 { |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1685 if (nargout > 0) |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1686 retval = warning_options; |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1687 else |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1688 display_warning_options (octave_stdout); |
3934 | 1689 |
5567 | 1690 done = true; |
1691 } | |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1692 else if (nargin == 1) |
5567 | 1693 { |
1694 octave_value arg = args(0); | |
1695 | |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1696 octave_map old_warning_options = warning_options; |
5567 | 1697 |
1698 if (arg.is_map ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1699 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1700 octave_map m = arg.map_value (); |
5567 | 1701 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1702 if (! m.contains ("identifier") || ! m.contains ("state")) |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1703 error ("warning: STATE structure must have fields 'identifier' and 'state'"); |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1704 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1705 // Simply step through the struct elements one at a time. |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1706 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1707 Cell ident = m.contents ("identifier"); |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1708 Cell state = m.contents ("state"); |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1709 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1710 octave_idx_type nel = ident.numel (); |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1711 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1712 for (octave_idx_type i = 0; i < nel; i++) |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1713 { |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1714 std::string tst = state(i).string_value (); |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1715 std::string tid = ident(i).string_value (); |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1716 |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1717 set_warning_option (tst, tid); |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1718 } |
5567 | 1719 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1720 done = true; |
5567 | 1721 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1722 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1723 retval = old_warning_options; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1724 } |
5567 | 1725 } |
1726 | |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1727 if (! done) |
3935 | 1728 { |
5567 | 1729 octave_value_list nargs = args; |
1730 | |
1731 std::string id; | |
1732 | |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1733 bool have_fmt = maybe_extract_message_id ("warning", args, nargs, id); |
5567 | 1734 |
3935 | 1735 std::string prev_msg = Vlast_warning_message; |
1736 | |
5567 | 1737 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
|
1738 "unspecified warning", nargs, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1739 have_fmt); |
3935 | 1740 |
1741 if (nargout > 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1742 retval = prev_msg; |
3935 | 1743 } |
1744 | |
3934 | 1745 return retval; |
1746 } | |
1747 | |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1748 octave_value_list |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1749 set_warning_state (const std::string& id, const std::string& state) |
5794 | 1750 { |
1751 octave_value_list args; | |
1752 | |
1753 args(1) = id; | |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1754 args(0) = state; |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1755 |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1756 return Fwarning (args, 1); |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1757 } |
5794 | 1758 |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1759 octave_value_list |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1760 set_warning_state (const octave_value_list& args) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1761 { |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1762 return Fwarning (args, 1); |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1763 } |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1764 |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1765 void |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1766 disable_warning (const std::string& id) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1767 { |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1768 set_warning_option ("off", id); |
5794 | 1769 } |
1770 | |
1771 void | |
1772 initialize_default_warning_state (void) | |
1773 { | |
1774 initialize_warning_options ("on"); | |
1775 | |
1776 // Most people will want to have the following disabled. | |
1777 | |
1778 disable_warning ("Octave:array-to-scalar"); | |
1779 disable_warning ("Octave:array-to-vector"); | |
1780 disable_warning ("Octave:imag-to-real"); | |
19852
e9a0bd0b125c
Rename 'matlab-incompatible' warning to 'language-extension'.
Carnë Draug <carandraug@octave.org>
parents:
19849
diff
changeset
|
1781 disable_warning ("Octave:language-extension"); |
5794 | 1782 disable_warning ("Octave:missing-semicolon"); |
1783 disable_warning ("Octave:neg-dim-as-zero"); | |
1784 disable_warning ("Octave:resize-on-range-error"); | |
1785 disable_warning ("Octave:separator-insert"); | |
1786 disable_warning ("Octave:single-quote-string"); | |
1787 disable_warning ("Octave:str-to-num"); | |
13841
0a158dbdb04a
Remove 3 unused warning ids
Rik <octave@nomad.inbox5.com>
parents:
13709
diff
changeset
|
1788 disable_warning ("Octave:mixed-string-concat"); |
5794 | 1789 disable_warning ("Octave:variable-switch-label"); |
1790 } | |
1791 | |
6361 | 1792 DEFUN (lasterror, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1793 "-*- texinfo -*-\n\ |
20853
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1794 @deftypefn {} {@var{lasterr} =} lasterror ()\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1795 @deftypefnx {} {} lasterror (@var{err})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20829
diff
changeset
|
1796 @deftypefnx {} {} lasterror (\"reset\")\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1797 Query or set the last error message structure.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1798 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1799 When called without arguments, return a structure containing the last error\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1800 message and other information related to this error. The elements of the\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1801 structure are:\n\ |
6361 | 1802 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1803 @table @code\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1804 @item message\n\ |
6361 | 1805 The text of the last error message\n\ |
10840 | 1806 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1807 @item identifier\n\ |
6361 | 1808 The message identifier of this error message\n\ |
10840 | 1809 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1810 @item stack\n\ |
12692
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1811 A structure containing information on where the message occurred. This may\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1812 be an empty structure if the information cannot be obtained. The fields of\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1813 the structure are:\n\ |
6361 | 1814 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1815 @table @code\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1816 @item file\n\ |
6361 | 1817 The name of the file where the error occurred\n\ |
10840 | 1818 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1819 @item name\n\ |
7001 | 1820 The name of function in which the error occurred\n\ |
10840 | 1821 \n\ |
17281
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1822 @item line\n\ |
7001 | 1823 The line number at which the error occurred\n\ |
10840 | 1824 \n\ |
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1825 @item column\n\ |
6361 | 1826 An optional field with the column number at which the error occurred\n\ |
1827 @end table\n\ | |
1828 @end table\n\ | |
1829 \n\ | |
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1830 The last error structure may be set by passing a scalar structure, @var{err},\n\ |
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1831 as input. Any fields of @var{err} that match those above are set while any\n\ |
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1832 unspecified fields are initialized with default values.\n\ |
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1833 \n\ |
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1834 If @code{lasterror} is called with the argument @qcode{\"reset\"}, all\n\ |
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1835 fields are set to their default values.\n\ |
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1836 @seealso{lasterr, error, lastwarn}\n\ |
6361 | 1837 @end deftypefn") |
1838 { | |
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1839 int nargin = args.length (); |
6361 | 1840 |
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1841 if (nargin > 1) |
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1842 print_usage (); |
6361 | 1843 |
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1844 octave_scalar_map err; |
6361 | 1845 |
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1846 err.assign ("message", Vlast_error_message); |
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1847 err.assign ("identifier", Vlast_error_id); |
6361 | 1848 |
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1849 err.assign ("stack", octave_value (Vlast_error_stack)); |
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1850 |
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1851 if (nargin == 1) |
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1852 { |
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1853 if (args(0).is_string ()) |
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1854 { |
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1855 if (args(0).string_value () != "reset") |
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1856 error ("lasterror: unrecognized string argument"); |
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1857 |
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1858 Vlast_error_message = std::string (); |
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1859 Vlast_error_id = std::string (); |
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1860 |
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1861 Vlast_error_stack = initialize_last_error_stack (); |
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1862 } |
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1863 else if (args(0).is_map ()) |
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1864 { |
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1865 octave_scalar_map new_err = args(0).scalar_map_value (); |
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1866 octave_scalar_map new_err_stack; |
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1867 std::string new_error_message; |
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1868 std::string new_error_id; |
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1869 std::string new_error_file; |
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1870 std::string new_error_name; |
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1871 int new_error_line = -1; |
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1872 int new_error_column = -1; |
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1873 |
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1874 if (new_err.contains ("message")) |
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1875 { |
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1876 const std::string tmp = |
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1877 new_err.getfield ("message").string_value (); |
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1878 new_error_message = tmp; |
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1879 } |
6361 | 1880 |
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1881 if (new_err.contains ("identifier")) |
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1882 { |
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1883 const std::string tmp = |
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1884 new_err.getfield ("identifier").string_value (); |
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1885 new_error_id = tmp; |
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1886 } |
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1887 |
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1888 if (new_err.contains ("stack")) |
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1889 { |
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1890 new_err_stack = |
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1891 new_err.getfield ("stack").scalar_map_value (); |
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1892 |
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1893 if (new_err_stack.contains ("file")) |
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1894 { |
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1895 const std::string tmp = |
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1896 new_err_stack.getfield ("file").string_value (); |
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1897 new_error_file = tmp; |
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1898 } |
6361 | 1899 |
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1900 if (new_err_stack.contains ("name")) |
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1901 { |
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1902 const std::string tmp = |
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1903 new_err_stack.getfield ("name").string_value (); |
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1904 new_error_name = tmp; |
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1905 } |
6361 | 1906 |
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1907 if (new_err_stack.contains ("line")) |
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1908 { |
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1909 const int tmp = |
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1910 new_err_stack.getfield ("line").nint_value (); |
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1911 new_error_line = tmp; |
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1912 } |
6361 | 1913 |
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1914 if (new_err_stack.contains ("column")) |
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1915 { |
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1916 const int tmp = |
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1917 new_err_stack.getfield ("column").nint_value (); |
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1918 new_error_column = tmp; |
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1919 } |
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1920 } |
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1921 |
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1922 Vlast_error_message = new_error_message; |
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1923 Vlast_error_id = new_error_id; |
6361 | 1924 |
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1925 if (new_err.contains ("stack")) |
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1926 { |
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1927 new_err_stack.setfield ("file", new_error_file); |
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1928 new_err_stack.setfield ("name", new_error_name); |
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1929 new_err_stack.setfield ("line", new_error_line); |
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1930 new_err_stack.setfield ("column", new_error_column); |
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1931 Vlast_error_stack = new_err_stack; |
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1932 } |
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1933 else |
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1934 { |
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1935 // No stack field. Fill it in with backtrace info. |
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1936 octave_idx_type curr_frame = -1; |
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1937 |
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1938 Vlast_error_stack |
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1939 = octave_call_stack::backtrace (0, curr_frame); |
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1940 } |
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1941 } |
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1942 else |
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1943 error ("lasterror: argument must be a structure or a string"); |
6361 | 1944 } |
1945 | |
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1946 return octave_value (err); |
6361 | 1947 } |
1948 | |
5567 | 1949 DEFUN (lasterr, args, nargout, |
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1950 "-*- texinfo -*-\n\ |
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1951 @deftypefn {} {[@var{msg}, @var{msgid}] =} lasterr ()\n\ |
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1952 @deftypefnx {} {} lasterr (@var{msg})\n\ |
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1953 @deftypefnx {} {} lasterr (@var{msg}, @var{msgid})\n\ |
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1954 Query or set the last error message.\n\ |
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1955 \n\ |
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1956 When called without input arguments, return the last error message and\n\ |
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1957 message identifier.\n\ |
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1958 \n\ |
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1959 With one argument, set the last error message to @var{msg}.\n\ |
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1960 \n\ |
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1961 With two arguments, also set the last message identifier.\n\ |
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1962 @seealso{lasterror, error, lastwarn}\n\ |
3935 | 1963 @end deftypefn") |
1964 { | |
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1965 int nargin = args.length (); |
3935 | 1966 |
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1967 if (nargin > 2) |
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1968 print_usage (); |
3935 | 1969 |
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1970 string_vector argv = args.make_argv ("lasterr"); |
5567 | 1971 |
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1972 std::string prev_error_id = Vlast_error_id; |
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1973 std::string prev_error_message = Vlast_error_message; |
5567 | 1974 |
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1975 if (nargin == 2) |
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1976 { |
20996 | 1977 Vlast_error_id = argv[2]; |
1978 Vlast_error_message = argv[1]; | |
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1979 } |
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1980 else if (nargin == 1) |
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1981 { |
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1982 Vlast_error_id = ""; |
20996 | 1983 Vlast_error_message = argv[1]; |
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1984 } |
5567 | 1985 |
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1986 if (nargin == 0 || nargout > 0) |
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1987 return ovl (prev_error_message, prev_error_id); |
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1988 else |
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1989 return ovl (); |
3935 | 1990 } |
1991 | |
5567 | 1992 DEFUN (lastwarn, args, nargout, |
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1993 "-*- texinfo -*-\n\ |
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1994 @deftypefn {} {[@var{msg}, @var{msgid}] =} lastwarn ()\n\ |
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1995 @deftypefnx {} {} lastwarn (@var{msg})\n\ |
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1996 @deftypefnx {} {} lastwarn (@var{msg}, @var{msgid})\n\ |
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1997 Query or set the last warning message.\n\ |
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1998 \n\ |
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1999 When called without input arguments, return the last warning message and\n\ |
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2000 message identifier.\n\ |
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2001 \n\ |
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2002 With one argument, set the last warning message to @var{msg}.\n\ |
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2003 \n\ |
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2004 With two arguments, also set the last message identifier.\n\ |
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2005 @seealso{warning, lasterror, lasterr}\n\ |
3934 | 2006 @end deftypefn") |
2007 { | |
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2008 int nargin = args.length (); |
3934 | 2009 |
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2010 if (nargin > 2) |
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2011 print_usage (); |
5567 | 2012 |
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|
2013 string_vector argv = args.make_argv ("lastwarn"); |
5567 | 2014 |
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2015 std::string prev_warning_id = Vlast_warning_id; |
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2016 std::string prev_warning_message = Vlast_warning_message; |
3934 | 2017 |
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2018 if (nargin == 2) |
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2019 { |
20996 | 2020 Vlast_warning_id = argv[2]; |
2021 Vlast_warning_message = argv[1]; | |
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2022 } |
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|
2023 else if (nargin == 1) |
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|
2024 { |
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|
2025 Vlast_warning_id = ""; |
20996 | 2026 Vlast_warning_message = argv[1]; |
20828
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|
2027 } |
5567 | 2028 |
20817
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|
2029 if (nargin == 0 || nargout > 0) |
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|
2030 return ovl (prev_warning_message, prev_warning_id); |
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|
2031 else |
20941
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|
2032 return ovl (); |
897 | 2033 } |
2034 | |
20946 | 2035 // FIXME: Deprecated in 4.0 and scheduled for removal in 4.4. |
2036 | |
19111 | 2037 DEFUN (__usage__, args, , |
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2038 "-*- texinfo -*-\n\ |
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|
2039 @deftypefn {} {} usage (@var{msg})\n\ |
3373 | 2040 Print the message @var{msg}, prefixed by the string @samp{usage: }, and\n\ |
2041 set Octave's internal error state such that control will return to the\n\ | |
2042 top level without evaluating any more commands. This is useful for\n\ | |
2043 aborting from functions.\n\ | |
2044 \n\ | |
2045 After @code{usage} is evaluated, Octave will print a traceback of all\n\ | |
2046 the function calls leading to the usage message.\n\ | |
899 | 2047 \n\ |
3373 | 2048 You should use this function for reporting problems errors that result\n\ |
2049 from an improper call to a function, such as calling a function with an\n\ | |
2050 incorrect number of arguments, or with arguments of the wrong type. For\n\ | |
2051 example, most functions distributed with Octave begin with code like\n\ | |
2052 this\n\ | |
2053 \n\ | |
2054 @example\n\ | |
2055 @group\n\ | |
2056 if (nargin != 2)\n\ | |
2057 usage (\"foo (a, b)\");\n\ | |
2058 endif\n\ | |
2059 @end group\n\ | |
2060 @end example\n\ | |
2061 \n\ | |
2062 @noindent\n\ | |
2063 to check for the proper number of arguments.\n\ | |
2064 @end deftypefn") | |
899 | 2065 { |
3934 | 2066 octave_value_list retval; |
14558
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John W. Eaton <jwe@octave.org>
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|
2067 handle_message (usage_with_id, "", "unknown", args, true); |
3934 | 2068 return retval; |
899 | 2069 } |
2070 | |
5794 | 2071 DEFUN (beep_on_error, args, nargout, |
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2072 "-*- texinfo -*-\n\ |
20853
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|
2073 @deftypefn {} {@var{val} =} beep_on_error ()\n\ |
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2074 @deftypefnx {} {@var{old_val} =} beep_on_error (@var{new_val})\n\ |
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2075 @deftypefnx {} {} beep_on_error (@var{new_val}, \"local\")\n\ |
5794 | 2076 Query or set the internal variable that controls whether Octave will try\n\ |
2077 to ring the terminal bell before printing an error message.\n\ | |
13951
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2078 \n\ |
17281
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|
2079 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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|
2080 variable is changed locally for the function and any subroutines it calls.\n\ |
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|
2081 The original variable value is restored when exiting the function.\n\ |
5794 | 2082 @end deftypefn") |
3707 | 2083 { |
5794 | 2084 return SET_INTERNAL_VARIABLE (beep_on_error); |
3707 | 2085 } |
2086 | |
5794 | 2087 DEFUN (debug_on_error, args, nargout, |
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2088 "-*- texinfo -*-\n\ |
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2089 @deftypefn {} {@var{val} =} debug_on_error ()\n\ |
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2090 @deftypefnx {} {@var{old_val} =} debug_on_error (@var{new_val})\n\ |
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2091 @deftypefnx {} {} debug_on_error (@var{new_val}, \"local\")\n\ |
5794 | 2092 Query or set the internal variable that controls whether Octave will try\n\ |
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|
2093 to enter the debugger when an error is encountered.\n\ |
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2094 \n\ |
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|
2095 This will also inhibit printing of the normal traceback message (you will\n\ |
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|
2096 only see the top-level error message).\n\ |
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2097 \n\ |
17281
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|
2098 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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2099 variable is changed locally for the function and any subroutines it calls.\n\ |
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2100 The original variable value is restored when exiting the function.\n\ |
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2101 @seealso{debug_on_warning, debug_on_interrupt}\n\ |
5794 | 2102 @end deftypefn") |
2103 { | |
2104 return SET_INTERNAL_VARIABLE (debug_on_error); | |
2105 } | |
3707 | 2106 |
5794 | 2107 DEFUN (debug_on_warning, args, nargout, |
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2108 "-*- texinfo -*-\n\ |
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2109 @deftypefn {} {@var{val} =} debug_on_warning ()\n\ |
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2110 @deftypefnx {} {@var{old_val} =} debug_on_warning (@var{new_val})\n\ |
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|
2111 @deftypefnx {} {} debug_on_warning (@var{new_val}, \"local\")\n\ |
5794 | 2112 Query or set the internal variable that controls whether Octave will try\n\ |
2113 to enter the debugger when a warning is encountered.\n\ | |
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|
2114 \n\ |
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|
2115 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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|
2116 variable is changed locally for the function and any subroutines it calls.\n\ |
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2117 The original variable value is restored when exiting the function.\n\ |
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|
2118 @seealso{debug_on_error, debug_on_interrupt}\n\ |
5794 | 2119 @end deftypefn") |
2120 { | |
2121 return SET_INTERNAL_VARIABLE (debug_on_warning); | |
2174 | 2122 } |
2123 | |
7977
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2124 std::string |
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2125 last_error_message (void) |
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2126 { |
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|
2127 return Vlast_error_message; |
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2128 } |
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|
2129 |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2130 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2131 last_error_id (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2132 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2133 return Vlast_error_id; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2134 } |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2135 |
18222
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2136 octave_map |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2137 last_error_stack (void) |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2138 { |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2139 return Vlast_error_stack; |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2140 } |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2141 |
7977
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2142 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2143 last_warning_message (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2144 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2145 return Vlast_warning_message; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2146 } |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2147 |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2148 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2149 last_warning_id (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2150 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2151 return Vlast_warning_id; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
parents:
7976
diff
changeset
|
2152 } |
11029
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2153 |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2154 void |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2155 interpreter_try (unwind_protect& frame) |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2156 { |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2157 frame.protect_var (buffer_error_messages); |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2158 frame.protect_var (Vdebug_on_error); |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2159 frame.protect_var (Vdebug_on_warning); |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2160 |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2161 buffer_error_messages++; |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2162 Vdebug_on_error = false; |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2163 Vdebug_on_warning = false; |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2164 } |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2165 |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
parents:
10840
diff
changeset
|
2166 |