Mercurial > octave
annotate libinterp/corefcn/error.cc @ 23454:30b6eccd6708
use builtin-defun-decls.h to ensure declarations of interpreter functions
* error.cc, file-io.cc, strfind.cc, ov-cell.cc, ov-struct.cc,
oct-parse.in.yy: Include builtin-defun-decls.h. Eliminate local
declarations of interpreter functions.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 28 Apr 2017 13:52:02 -0400 |
parents | 855122b993da |
children | a62ffdf1f432 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2017 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 | |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation; either version 3 of the License, or |
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10 (at your option) any later version. |
1 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
1 | 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 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
1 | 25 #endif |
26 | |
1343 | 27 #include <cstdarg> |
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28 #include <cstdlib> |
1633 | 29 #include <cstring> |
1343 | 30 |
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31 #include <iomanip> |
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32 #include <iostream> |
5765 | 33 #include <sstream> |
1728 | 34 #include <string> |
35 | |
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36 #include "bp-table.h" |
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37 #include "builtin-defun-decls.h" |
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38 #include "call-stack.h" |
1352 | 39 #include "defun.h" |
1 | 40 #include "error.h" |
3707 | 41 #include "input.h" |
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42 #include "octave.h" |
1742 | 43 #include "pager.h" |
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44 #include "ovl.h" |
5567 | 45 #include "oct-map.h" |
1352 | 46 #include "utils.h" |
2370 | 47 #include "ov.h" |
3707 | 48 #include "ov-usr-fcn.h" |
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49 #include "pt-eval.h" |
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50 #include "interpreter.h" |
3707 | 51 #include "unwind-prot.h" |
2370 | 52 #include "variables.h" |
1 | 53 |
2174 | 54 // TRUE means that Octave will try to beep obnoxiously before printing |
55 // error messages. | |
5794 | 56 static bool Vbeep_on_error = false; |
2174 | 57 |
3707 | 58 // TRUE means that Octave will try to enter the debugger when an error |
59 // is encountered. This will also inhibit printing of the normal | |
60 // traceback message (you will only see the top-level error message). | |
7353 | 61 bool Vdebug_on_error = false; |
3707 | 62 |
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63 // TRUE means that Octave will try to enter the debugger when an error |
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64 // is encountered within the 'try' section of a 'try' / 'catch' block. |
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65 bool Vdebug_on_caught = false; |
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66 |
3707 | 67 // TRUE means that Octave will try to enter the debugger when a warning |
68 // is encountered. | |
7353 | 69 bool Vdebug_on_warning = false; |
3707 | 70 |
5567 | 71 // TRUE means that Octave will try to display a stack trace when a |
72 // warning is encountered. | |
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73 static bool Vbacktrace_on_warning = true; |
5567 | 74 |
75 // TRUE means that Octave will print a verbose warning. Currently unused. | |
76 static bool Vverbose_warning; | |
77 | |
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78 // TRUE means that Octave will print no warnings, but lastwarn will be updated |
5582 | 79 static bool Vquiet_warning = false; |
80 | |
5567 | 81 // A structure containing (most of) the current state of warnings. |
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82 static octave_map warning_options; |
5567 | 83 |
3935 | 84 // The text of the last error message. |
85 static std::string Vlast_error_message; | |
86 | |
3934 | 87 // The text of the last warning message. |
88 static std::string Vlast_warning_message; | |
89 | |
5567 | 90 // The last warning message id. |
91 static std::string Vlast_warning_id; | |
3934 | 92 |
5567 | 93 // The last error message id. |
94 static std::string Vlast_error_id; | |
3934 | 95 |
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96 // The last file in which an error occurred |
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97 static octave_map Vlast_error_stack; |
6361 | 98 |
143 | 99 // Current error state. |
3935 | 100 // |
101 // Valid values: | |
102 // | |
103 // 0: no error | |
104 // 1: an error has occurred | |
105 // | |
672 | 106 int error_state = 0; |
107 | |
1489 | 108 // Tell the error handler whether to print messages, or just store |
109 // them for later. Used for handling errors in eval() and | |
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110 // the 'unwind_protect' statement. |
4699 | 111 int buffer_error_messages = 0; |
1489 | 112 |
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113 // The number of layers of try / catch blocks we're in. Used to print |
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114 // "caught error" instead of error when "dbstop if caught error" is on. |
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115 int in_try_catch = 0; |
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116 |
3815 | 117 // TRUE means error messages are turned off. |
118 bool discard_error_messages = false; | |
119 | |
4452 | 120 // TRUE means warning messages are turned off. |
121 bool discard_warning_messages = false; | |
122 | |
4318 | 123 void |
124 reset_error_handler (void) | |
125 { | |
4699 | 126 buffer_error_messages = 0; |
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127 in_try_catch = 0; |
4318 | 128 discard_error_messages = false; |
129 } | |
130 | |
5567 | 131 static void |
5794 | 132 initialize_warning_options (const std::string& state) |
5567 | 133 { |
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134 octave_scalar_map initw; |
5567 | 135 |
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136 initw.setfield ("identifier", "all"); |
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137 initw.setfield ("state", state); |
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138 |
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139 warning_options = initw; |
5567 | 140 } |
141 | |
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142 static octave_map |
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143 initialize_last_error_stack (void) |
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144 { |
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145 return octave::call_stack::empty_backtrace (); |
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146 } |
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147 |
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148 static void |
4732 | 149 verror (bool save_last_error, std::ostream& os, |
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150 const char *name, const char *id, const char *fmt, va_list args, |
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151 bool with_cfn = false) |
1 | 152 { |
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153 if (discard_error_messages && ! Vdebug_on_caught) |
3815 | 154 return; |
155 | |
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156 if (! buffer_error_messages || Vdebug_on_caught) |
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157 octave::flush_stdout (); |
914 | 158 |
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159 // FIXME: we really want to capture the message before it has all the |
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160 // formatting goop attached to it. We probably also want just the |
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161 // message, not the traceback information. |
3935 | 162 |
7877 | 163 std::ostringstream output_buf; |
164 | |
165 octave_vformat (output_buf, fmt, args); | |
166 | |
167 std::string base_msg = output_buf.str (); | |
168 | |
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169 bool to_beep_or_not_to_beep_p = Vbeep_on_error; |
7877 | 170 |
171 std::string msg_string; | |
172 | |
173 if (to_beep_or_not_to_beep_p) | |
174 msg_string = "\a"; | |
175 | |
176 if (name) | |
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177 { |
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178 if (in_try_catch && ! strcmp (name, "error")) |
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179 msg_string += "caught error: "; |
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180 else |
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181 msg_string += std::string (name) + ": "; |
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182 } |
7877 | 183 |
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184 // If with_fcn is specified, we'll attempt to prefix the message with the name |
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185 // of the current executing function. But we'll do so only if: |
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186 // 1. the name is not empty (anonymous function) |
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187 // 2. it is not already there (including the following colon) |
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188 if (with_cfn) |
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189 { |
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190 octave_function *curfcn = octave::call_stack::current (); |
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191 if (curfcn) |
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192 { |
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193 std::string cfn = curfcn->name (); |
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194 if (! cfn.empty ()) |
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195 { |
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196 cfn += ':'; |
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197 if (cfn.length () > base_msg.length () |
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198 || base_msg.compare (0, cfn.length (), cfn) != 0) |
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199 { |
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200 msg_string += cfn + ' '; |
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201 } |
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202 } |
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203 } |
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204 } |
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205 |
7880 | 206 msg_string += base_msg + "\n"; |
3935 | 207 |
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208 if (save_last_error) |
3935 | 209 { |
210 // This is the first error in a possible series. | |
5567 | 211 |
212 Vlast_error_id = id; | |
7877 | 213 Vlast_error_message = base_msg; |
6361 | 214 |
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215 octave_user_code *fcn = octave::call_stack::caller_user_code (); |
6361 | 216 |
7877 | 217 if (fcn) |
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218 { |
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219 octave_idx_type curr_frame = -1; |
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220 |
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221 Vlast_error_stack = octave::call_stack::backtrace (0, curr_frame); |
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222 } |
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223 else |
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224 Vlast_error_stack = initialize_last_error_stack (); |
3935 | 225 } |
226 | |
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227 if (! buffer_error_messages || Vdebug_on_caught) |
1489 | 228 { |
3935 | 229 octave_diary << msg_string; |
4732 | 230 os << msg_string; |
1489 | 231 } |
1 | 232 } |
233 | |
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234 static void |
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235 pr_where_2 (std::ostream& os, const char *fmt, va_list args) |
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236 { |
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237 if (fmt) |
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238 { |
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239 if (*fmt) |
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240 { |
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241 size_t len = strlen (fmt); |
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242 |
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243 if (len > 0) |
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244 { |
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245 if (fmt[len - 1] == '\n') |
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246 { |
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247 if (len > 1) |
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248 { |
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249 std::string tmp_fmt (fmt, len - 1); |
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250 verror (false, os, 0, "", tmp_fmt.c_str (), args); |
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251 } |
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252 } |
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253 else |
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254 verror (false, os, 0, "", fmt, args); |
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255 } |
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256 } |
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257 } |
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258 else |
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259 panic ("pr_where_2: invalid format"); |
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260 } |
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261 |
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262 static void |
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263 pr_where_1 (std::ostream& os, const char *fmt, ...) |
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264 { |
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265 va_list args; |
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266 va_start (args, fmt); |
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267 pr_where_2 (os, fmt, args); |
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268 va_end (args); |
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269 } |
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270 |
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271 struct |
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272 error_stack_frame |
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273 { |
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274 std::string name; |
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275 int line; |
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276 int column; |
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277 }; |
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278 |
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279 static void |
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280 pr_where (std::ostream& os, const char *who, |
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281 const std::list<error_stack_frame>& frames) |
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282 { |
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283 size_t nframes = frames.size (); |
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284 |
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285 if (nframes > 0) |
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286 pr_where_1 (os, "%s: called from\n", who); |
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287 |
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288 for (const auto& frm : frames) |
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289 { |
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290 std::string fcn_name = frm.name; |
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291 int line = frm.line; |
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292 int column = frm.column; |
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293 |
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294 if (line > 0) |
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295 { |
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296 if (column > 0) |
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297 pr_where_1 (os, " %s at line %d column %d\n", |
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298 fcn_name.c_str (), line, column); |
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299 else |
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300 pr_where_1 (os, " %s at line %d\n", fcn_name.c_str (), line); |
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301 } |
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302 else |
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303 pr_where_1 (os, " %s\n", fcn_name.c_str ()); |
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304 } |
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305 } |
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306 |
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307 static void |
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308 pr_where (std::ostream& os, const char *who) |
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309 { |
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310 std::list<octave::call_stack::stack_frame> call_stack_frames |
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311 = octave::call_stack::backtrace_frames (); |
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312 |
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313 // Print the error message only if it is different from the previous one; |
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314 // Makes the output more concise and readable. |
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315 call_stack_frames.unique (); |
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316 |
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317 std::list<error_stack_frame> frames; |
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318 for (const auto& frm : call_stack_frames) |
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319 { |
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320 error_stack_frame frame; |
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321 |
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322 frame.name = frm.fcn_name (); |
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323 frame.line = frm.line (); |
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324 frame.column = frm.column (); |
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325 |
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326 frames.push_back (frame); |
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327 } |
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328 |
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329 pr_where (os, who, frames); |
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330 } |
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331 |
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332 static octave::execution_exception |
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333 make_execution_exception (const char *who) |
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334 { |
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335 std::ostringstream buf; |
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336 |
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337 pr_where (buf, who); |
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338 |
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339 octave::execution_exception retval; |
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340 |
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341 retval.set_stack_trace (buf.str ()); |
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342 |
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343 return retval; |
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344 } |
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345 |
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346 static void |
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347 maybe_enter_debugger (octave::execution_exception& e, |
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348 bool show_stack_trace = false) |
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349 { |
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350 if ((octave::application::interactive () |
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351 || octave::application::forced_interactive ()) |
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352 && ((Vdebug_on_error && bp_table::debug_on_err (last_error_id ())) |
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353 || (Vdebug_on_caught && bp_table::debug_on_caught (last_error_id ()))) |
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354 && octave::call_stack::caller_user_code ()) |
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355 { |
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356 octave::unwind_protect frame; |
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357 frame.protect_var (Vdebug_on_error); |
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358 Vdebug_on_error = false; |
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359 |
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360 octave::tree_evaluator::debug_mode = true; |
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361 |
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362 octave::tree_evaluator::current_frame = octave::call_stack::current_frame (); |
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363 |
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364 if (show_stack_trace) |
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365 { |
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366 std::string stack_trace = e.info (); |
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367 |
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368 if (! stack_trace.empty ()) |
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369 { |
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370 std::cerr << stack_trace; |
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371 |
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372 e.set_stack_trace (); |
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373 } |
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374 } |
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375 |
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376 do_keyboard (octave_value_list ()); |
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377 } |
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378 } |
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379 |
3491 | 380 // Warning messages are never buffered. |
381 | |
382 static void | |
5567 | 383 vwarning (const char *name, const char *id, const char *fmt, va_list args) |
3491 | 384 { |
4452 | 385 if (discard_warning_messages) |
386 return; | |
387 | |
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388 octave::flush_stdout (); |
3491 | 389 |
5765 | 390 std::ostringstream output_buf; |
3491 | 391 |
3761 | 392 octave_vformat (output_buf, fmt, args); |
393 | |
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394 // FIXME: we really want to capture the message before it has all the |
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395 // formatting goop attached to it. We probably also want just the |
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396 // message, not the traceback information. |
3935 | 397 |
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398 std::string base_msg = output_buf.str (); |
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399 std::string msg_string; |
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400 |
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401 if (name) |
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402 msg_string = std::string (name) + ": "; |
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403 |
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404 msg_string += base_msg + "\n"; |
3934 | 405 |
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406 Vlast_warning_id = id; |
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407 Vlast_warning_message = base_msg; |
3934 | 408 |
5582 | 409 if (! Vquiet_warning) |
410 { | |
411 octave_diary << msg_string; | |
3935 | 412 |
5582 | 413 std::cerr << msg_string; |
414 } | |
3491 | 415 } |
416 | |
1 | 417 void |
6338 | 418 vmessage (const char *name, const char *fmt, va_list args) |
419 { | |
420 verror (false, std::cerr, name, "", fmt, args); | |
421 } | |
422 | |
423 void | |
1 | 424 message (const char *name, const char *fmt, ...) |
425 { | |
426 va_list args; | |
427 va_start (args, fmt); | |
6338 | 428 vmessage (name, fmt, args); |
1 | 429 va_end (args); |
430 } | |
431 | |
432 void | |
6338 | 433 vmessage_with_id (const char *name, const char *id, const char *fmt, |
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434 va_list args) |
6338 | 435 { |
436 verror (false, std::cerr, name, id, fmt, args); | |
437 } | |
438 | |
439 void | |
5567 | 440 message_with_id (const char *name, const char *id, const char *fmt, ...) |
441 { | |
442 va_list args; | |
443 va_start (args, fmt); | |
6338 | 444 vmessage_with_id (name, id, fmt, args); |
5567 | 445 va_end (args); |
446 } | |
447 | |
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448 OCTAVE_NORETURN static |
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449 void |
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450 usage_1 (octave::execution_exception& e, const char *id, |
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451 const char *fmt, va_list args) |
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452 { |
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453 verror (true, std::cerr, "usage", id, fmt, args); |
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454 |
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455 maybe_enter_debugger (e); |
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456 |
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457 throw e; |
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458 } |
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459 |
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460 OCTAVE_NORETURN static |
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461 void |
5567 | 462 usage_1 (const char *id, const char *fmt, va_list args) |
463 { | |
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464 octave::execution_exception e = make_execution_exception ("usage"); |
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465 |
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466 usage_1 (e, id, fmt, args); |
5567 | 467 } |
468 | |
469 void | |
6338 | 470 vusage (const char *fmt, va_list args) |
471 { | |
472 usage_1 ("", fmt, args); | |
473 } | |
474 | |
475 void | |
1 | 476 usage (const char *fmt, ...) |
477 { | |
478 va_list args; | |
479 va_start (args, fmt); | |
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480 usage_1 ("", fmt, args); |
5567 | 481 va_end (args); |
482 } | |
483 | |
484 void | |
6338 | 485 vusage_with_id (const char *id, const char *fmt, va_list args) |
486 { | |
487 usage_1 (id, fmt, args); | |
488 } | |
489 | |
490 void | |
5567 | 491 usage_with_id (const char *id, const char *fmt, ...) |
492 { | |
493 va_list args; | |
494 va_start (args, fmt); | |
6338 | 495 vusage_with_id (id, fmt, args); |
1 | 496 va_end (args); |
497 } | |
498 | |
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499 OCTAVE_NORETURN static |
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500 void |
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501 error_1 (octave::execution_exception& e, std::ostream& os, |
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502 const char *name, const char *id, const char *fmt, |
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503 va_list args, bool with_cfn = false) |
6000 | 504 { |
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505 bool show_stack_trace = false; |
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506 |
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507 if (fmt) |
6000 | 508 { |
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509 if (*fmt) |
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510 { |
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511 size_t len = strlen (fmt); |
6000 | 512 |
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513 if (len > 0) |
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514 { |
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515 if (fmt[len - 1] == '\n') |
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516 { |
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517 if (len > 1) |
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518 { |
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519 std::string tmp_fmt (fmt, len - 1); |
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520 verror (true, os, name, id, tmp_fmt.c_str (), |
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521 args, with_cfn); |
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522 } |
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523 |
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524 // If format ends with newline, suppress stack trace. |
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525 e.set_stack_trace (); |
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526 } |
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527 else |
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528 { |
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529 verror (true, os, name, id, fmt, args, with_cfn); |
18742
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530 |
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531 bool in_user_code = octave::call_stack::caller_user_code () != 0; |
6000 | 532 |
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533 if (in_user_code && ! discard_error_messages) |
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534 show_stack_trace = true; |
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535 } |
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536 } |
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537 } |
6000 | 538 } |
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539 else |
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540 panic ("error_1: invalid format"); |
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541 |
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542 maybe_enter_debugger (e, show_stack_trace); |
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543 |
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544 throw e; |
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545 } |
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546 |
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547 OCTAVE_NORETURN static |
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548 void |
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549 error_1 (std::ostream& os, const char *name, const char *id, |
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550 const char *fmt, va_list args, bool with_cfn = false) |
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551 { |
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552 octave::execution_exception e = make_execution_exception ("error"); |
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553 |
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554 error_1 (e, os, name, id, fmt, args, with_cfn); |
6000 | 555 } |
556 | |
557 void | |
6338 | 558 verror (const char *fmt, va_list args) |
559 { | |
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560 error_1 (std::cerr, "error", "", fmt, args); |
6338 | 561 } |
562 | |
563 void | |
6000 | 564 error (const char *fmt, ...) |
565 { | |
566 va_list args; | |
567 va_start (args, fmt); | |
6338 | 568 verror (fmt, args); |
6000 | 569 va_end (args); |
570 } | |
571 | |
572 void | |
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573 verror (octave::execution_exception& e, const char *fmt, va_list args) |
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574 { |
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575 error_1 (e, std::cerr, "error", "", fmt, args); |
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576 } |
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577 |
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578 void |
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579 error (octave::execution_exception& e, const char *fmt, ...) |
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580 { |
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581 va_list args; |
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582 va_start (args, fmt); |
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583 verror (e, fmt, args); |
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584 va_end (args); |
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585 } |
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586 |
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587 void |
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588 verror_with_cfn (const char *fmt, va_list args) |
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589 { |
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590 error_1 (std::cerr, "error", "", fmt, args, true); |
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591 } |
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592 |
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593 void |
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594 error_with_cfn (const char *fmt, ...) |
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595 { |
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596 va_list args; |
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597 va_start (args, fmt); |
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598 verror_with_cfn (fmt, args); |
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599 va_end (args); |
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600 } |
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601 |
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602 void |
6338 | 603 verror_with_id (const char *id, const char *fmt, va_list args) |
604 { | |
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605 error_1 (std::cerr, "error", id, fmt, args); |
6338 | 606 } |
607 | |
608 void | |
6000 | 609 error_with_id (const char *id, const char *fmt, ...) |
610 { | |
611 va_list args; | |
612 va_start (args, fmt); | |
6338 | 613 verror_with_id (id, fmt, args); |
6000 | 614 va_end (args); |
615 } | |
616 | |
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617 void |
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618 verror_with_id_cfn (const char *id, const char *fmt, va_list args) |
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619 { |
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620 error_1 (std::cerr, "error", id, fmt, args, true); |
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621 } |
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622 |
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623 void |
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624 error_with_id_cfn (const char *id, const char *fmt, ...) |
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625 { |
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626 va_list args; |
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627 va_start (args, fmt); |
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628 verror_with_id_cfn (id, fmt, args); |
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629 va_end (args); |
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630 } |
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631 |
5567 | 632 static int |
633 check_state (const std::string& state) | |
634 { | |
635 // -1: not found | |
636 // 0: found, "off" | |
637 // 1: found, "on" | |
638 // 2: found, "error" | |
639 | |
640 if (state == "off") | |
641 return 0; | |
642 else if (state == "on") | |
643 return 1; | |
644 else if (state == "error") | |
645 return 2; | |
646 else | |
647 return -1; | |
648 } | |
649 | |
650 // For given warning ID, return 0 if warnings are disabled, 1 if | |
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651 // enabled, and 2 if the given ID should be an error instead of a |
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652 // warning. |
5567 | 653 |
5781 | 654 int |
5567 | 655 warning_enabled (const std::string& id) |
1 | 656 { |
5567 | 657 int retval = 0; |
658 | |
659 int all_state = -1; | |
660 int id_state = -1; | |
661 | |
662 octave_idx_type nel = warning_options.numel (); | |
663 | |
664 if (nel > 0) | |
665 { | |
666 Cell identifier = warning_options.contents ("identifier"); | |
667 Cell state = warning_options.contents ("state"); | |
668 | |
669 bool all_found = false; | |
670 bool id_found = false; | |
671 | |
672 for (octave_idx_type i = 0; i < nel; i++) | |
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673 { |
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674 octave_value ov = identifier(i); |
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675 std::string ovs = ov.string_value (); |
5567 | 676 |
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677 if (! all_found && ovs == "all") |
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678 { |
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679 all_state = check_state (state(i).string_value ()); |
5567 | 680 |
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681 if (all_state >= 0) |
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682 all_found = true; |
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683 } |
5567 | 684 |
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685 if (! id_found && ovs == id) |
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686 { |
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687 id_state = check_state (state(i).string_value ()); |
5567 | 688 |
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689 if (id_state >= 0) |
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690 id_found = true; |
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691 } |
5567 | 692 |
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693 if (all_found && id_found) |
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694 break; |
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695 } |
5567 | 696 } |
697 | |
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698 // If "all" is not present, assume warnings are enabled. |
5567 | 699 if (all_state == -1) |
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700 all_state = 1; |
5567 | 701 |
702 if (all_state == 0) | |
703 { | |
704 if (id_state >= 0) | |
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705 retval = id_state; |
5567 | 706 } |
707 else if (all_state == 1) | |
708 { | |
709 if (id_state == 0 || id_state == 2) | |
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710 retval = id_state; |
5567 | 711 else |
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712 retval = all_state; |
5567 | 713 } |
714 else if (all_state == 2) | |
7206 | 715 { |
716 if (id_state == 0) | |
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717 retval= id_state; |
7206 | 718 else |
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719 retval = all_state; |
7206 | 720 } |
5567 | 721 |
722 return retval; | |
723 } | |
724 | |
725 static void | |
726 warning_1 (const char *id, const char *fmt, va_list args) | |
727 { | |
728 int warn_opt = warning_enabled (id); | |
729 | |
730 if (warn_opt == 2) | |
731 { | |
732 // Handle this warning as an error. | |
733 | |
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734 error_1 (std::cerr, "error", id, fmt, args); |
5567 | 735 } |
736 else if (warn_opt == 1) | |
3934 | 737 { |
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738 bool fmt_suppresses_backtrace = false; |
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739 size_t fmt_len = (fmt ? strlen (fmt) : 0); |
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740 fmt_suppresses_backtrace = (fmt_len > 0 && fmt[fmt_len-1] == '\n'); |
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741 |
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742 if (fmt_suppresses_backtrace && fmt_len > 1) |
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743 { |
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744 // Strip newline before issuing warning |
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745 std::string tmp_fmt (fmt, fmt_len - 1); |
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746 vwarning ("warning", id, tmp_fmt.c_str (), args); |
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747 } |
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Don't save "warning: " prefix in lastwarn() message.
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748 else |
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749 vwarning ("warning", id, fmt, args); |
8973 | 750 |
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751 bool in_user_code = octave::call_stack::caller_user_code () != 0; |
20127
a42de4173533
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
752 |
20130
0aed244dbdb3
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diff
changeset
|
753 if (! fmt_suppresses_backtrace && in_user_code |
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b70cc4bd8109
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754 && Vbacktrace_on_warning |
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755 && ! discard_warning_messages) |
20666
e0e2c2ce7e94
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|
756 pr_where (std::cerr, "warning"); |
3935 | 757 |
22089
c2c668b3051b
use classes for octave application and interpreter
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parents:
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758 if ((octave::application::interactive () |
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diff
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759 || octave::application::forced_interactive ()) |
21157
94fc5f13d51b
dbstop: conditional breakpoint, dbstop if caught error etc. (bug #46795)
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|
760 && Vdebug_on_warning && in_user_code && bp_table::debug_on_warn (id)) |
10315
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diff
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761 { |
21743
f4d7d0eb5b0c
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|
762 octave::unwind_protect frame; |
10315
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|
763 frame.protect_var (Vdebug_on_warning); |
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|
764 Vdebug_on_warning = false; |
3707 | 765 |
22196
dd992fd74fce
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|
766 octave::tree_evaluator::debug_mode = true; |
18742
bd334b6af257
Enter true debug mode after debug_on_(warning|error) (bug #37574).
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|
767 |
23052
f97e22a9012a
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768 octave::tree_evaluator::current_frame = octave::call_stack::current_frame (); |
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Enter true debug mode after debug_on_(warning|error) (bug #37574).
Rik <rik@octave.org>
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769 |
10315
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|
770 do_keyboard (octave_value_list ()); |
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771 } |
3707 | 772 } |
1 | 773 } |
774 | |
775 void | |
6338 | 776 vwarning (const char *fmt, va_list args) |
777 { | |
778 warning_1 ("", fmt, args); | |
779 } | |
780 | |
781 void | |
5567 | 782 warning (const char *fmt, ...) |
783 { | |
784 va_list args; | |
785 va_start (args, fmt); | |
6338 | 786 vwarning (fmt, args); |
5567 | 787 va_end (args); |
788 } | |
789 | |
790 void | |
6338 | 791 vwarning_with_id (const char *id, const char *fmt, va_list args) |
792 { | |
793 warning_1 (id, fmt, args); | |
794 } | |
795 | |
796 void | |
5567 | 797 warning_with_id (const char *id, const char *fmt, ...) |
798 { | |
799 va_list args; | |
800 va_start (args, fmt); | |
6338 | 801 vwarning_with_id (id, fmt, args); |
5567 | 802 va_end (args); |
803 } | |
804 | |
805 void | |
6338 | 806 vparse_error (const char *fmt, va_list args) |
807 { | |
808 error_1 (std::cerr, 0, "", fmt, args); | |
809 } | |
810 | |
811 void | |
1005 | 812 parse_error (const char *fmt, ...) |
813 { | |
814 va_list args; | |
815 va_start (args, fmt); | |
6338 | 816 vparse_error (fmt, args); |
5567 | 817 va_end (args); |
818 } | |
819 | |
820 void | |
6338 | 821 vparse_error_with_id (const char *id, const char *fmt, va_list args) |
822 { | |
823 error_1 (std::cerr, 0, id, fmt, args); | |
824 } | |
825 | |
826 void | |
5567 | 827 parse_error_with_id (const char *id, const char *fmt, ...) |
828 { | |
829 va_list args; | |
830 va_start (args, fmt); | |
6338 | 831 vparse_error_with_id (id, fmt, args); |
1 | 832 va_end (args); |
833 } | |
834 | |
189 | 835 void |
6361 | 836 rethrow_error (const char *id, const char *fmt, ...) |
837 { | |
838 va_list args; | |
839 va_start (args, fmt); | |
6640 | 840 error_1 (std::cerr, 0, id, fmt, args); |
6361 | 841 va_end (args); |
842 } | |
843 | |
22808
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844 static std::list<error_stack_frame> |
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845 make_stack_frame_list (const octave_map& stack) |
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846 { |
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847 std::list<error_stack_frame> frames; |
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848 |
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849 Cell name = stack.contents ("name"); |
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850 Cell line = stack.contents ("line"); |
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851 Cell column; |
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852 bool have_column = false; |
1d3d0321bc5d
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|
853 if (stack.contains ("column")) |
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854 { |
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855 have_column = true; |
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856 column = stack.contents ("column"); |
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857 } |
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858 |
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859 octave_idx_type nel = name.numel (); |
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860 |
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861 for (octave_idx_type i = 0; i < nel; i++) |
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862 { |
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863 error_stack_frame frame; |
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864 |
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865 frame.name = name(i).string_value (); |
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866 frame.line = line(i).int_value (); |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
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|
867 frame.column = (have_column ? column(i).int_value () : -1); |
22808
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868 |
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869 frames.push_back (frame); |
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870 } |
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871 |
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872 return frames; |
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873 } |
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874 |
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875 static void |
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876 rethrow_error_1 (const char *id, const char *fmt, ...) |
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877 { |
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878 va_list args; |
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879 va_start (args, fmt); |
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880 verror (false, std::cerr, 0, id, fmt, args); |
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881 va_end (args); |
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882 } |
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883 |
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884 OCTAVE_NORETURN static |
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885 void |
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886 rethrow_error (const std::string& id, const std::string& msg, |
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887 const octave_map& stack) |
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888 { |
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889 octave::execution_exception e = make_execution_exception ("error"); |
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890 |
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891 if (! stack.is_empty () |
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892 && ! (stack.contains ("file") && stack.contains ("name") |
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893 && stack.contains ("line"))) |
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894 error ("rethrow: STACK struct must contain the fields 'file', 'name', and 'line'"); |
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895 |
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896 Vlast_error_id = id; |
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897 Vlast_error_message = msg; |
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898 Vlast_error_stack = stack; |
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899 |
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900 size_t len = msg.length (); |
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901 |
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902 std::string tmp_msg (msg); |
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903 if (len > 1 && tmp_msg[len-1] == '\n') |
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904 { |
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905 tmp_msg.erase (len - 1); |
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906 |
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907 rethrow_error_1 (id.c_str (), "%s\n", tmp_msg.c_str ()); |
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908 } |
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909 else |
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910 rethrow_error_1 (id.c_str (), "%s", tmp_msg.c_str ()); |
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911 |
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912 if (! stack.is_empty ()) |
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913 { |
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914 std::ostringstream buf; |
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915 |
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916 pr_where (buf, "error", make_stack_frame_list (stack)); |
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917 |
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918 e.set_stack_trace (buf.str ()); |
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919 } |
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920 |
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921 throw e; |
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922 } |
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923 |
6361 | 924 void |
1 | 925 panic (const char *fmt, ...) |
926 { | |
927 va_list args; | |
928 va_start (args, fmt); | |
4699 | 929 buffer_error_messages = 0; |
3815 | 930 discard_error_messages = false; |
5567 | 931 verror (false, std::cerr, "panic", "", fmt, args); |
1 | 932 va_end (args); |
933 abort (); | |
934 } | |
935 | |
4732 | 936 static void |
937 defun_usage_message_1 (const char *fmt, ...) | |
938 { | |
939 va_list args; | |
940 va_start (args, fmt); | |
5567 | 941 error_1 (octave_stdout, 0, "", fmt, args); |
4732 | 942 va_end (args); |
943 } | |
944 | |
945 void | |
946 defun_usage_message (const std::string& msg) | |
947 { | |
948 defun_usage_message_1 ("%s", msg.c_str ()); | |
949 } | |
950 | |
5567 | 951 typedef void (*error_fun)(const char *, const char *, ...); |
1489 | 952 |
2086 | 953 extern octave_value_list Fsprintf (const octave_value_list&, int); |
1489 | 954 |
3934 | 955 static std::string |
5567 | 956 handle_message (error_fun f, const char *id, const char *msg, |
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957 const octave_value_list& args, bool have_fmt) |
528 | 958 { |
3934 | 959 std::string retval; |
528 | 960 |
3523 | 961 std::string tstr; |
1728 | 962 |
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963 if (args.length () > 0) |
528 | 964 { |
3066 | 965 octave_value arg; |
966 | |
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967 if (have_fmt) |
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968 { |
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969 octave_value_list tmp = Fsprintf (args, 1); |
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970 arg = tmp(0); |
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971 } |
3066 | 972 else |
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973 arg = args(0); |
2745 | 974 |
975 if (arg.is_defined ()) | |
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976 { |
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977 if (arg.is_string ()) |
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978 { |
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979 tstr = arg.string_value (); |
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980 msg = tstr.c_str (); |
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981 |
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982 if (! msg) |
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983 return retval; |
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984 } |
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985 else if (arg.is_empty ()) |
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986 return retval; |
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987 } |
528 | 988 } |
989 | |
1489 | 990 // Ugh. |
991 | |
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992 size_t len = strlen (msg); |
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993 |
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994 if (len > 0) |
1489 | 995 { |
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996 if (msg[len - 1] == '\n') |
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997 { |
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998 if (len > 1) |
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999 { |
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1000 std::string tmp_msg (msg, len - 1); |
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1001 f (id, "%s\n", tmp_msg.c_str ()); |
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1002 retval = tmp_msg; |
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1003 } |
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1004 } |
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1005 else |
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1006 { |
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1007 f (id, "%s", msg); |
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1008 retval = msg; |
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1009 } |
3934 | 1010 } |
528 | 1011 |
1012 return retval; | |
1013 } | |
1014 | |
6361 | 1015 DEFUN (rethrow, args, , |
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1016 doc: /* -*- texinfo -*- |
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1017 @deftypefn {} {} rethrow (@var{err}) |
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1018 Reissue a previous error as defined by @var{err}. |
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1019 |
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1020 @var{err} is a structure that must contain at least the @qcode{"message"} |
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1021 and @qcode{"identifier"} fields. @var{err} can also contain a field |
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1022 @qcode{"stack"} that gives information on the assumed location of the |
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1023 error. Typically @var{err} is returned from @code{lasterror}. |
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1024 @seealso{lasterror, lasterr, error} |
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1025 @end deftypefn */) |
6361 | 1026 { |
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1027 if (args.length () != 1) |
6959 | 1028 print_usage (); |
20803
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1029 |
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1030 const octave_scalar_map err = args(0).scalar_map_value (); |
6361 | 1031 |
22808
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1032 if (! (err.contains ("message") && err.contains ("identifier"))) |
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1033 error ("rethrow: ERR struct must contain the fields 'message' and 'identifier'"); |
9166
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1034 |
20918
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1035 std::string msg = err.contents ("message").string_value (); |
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1036 std::string id = err.contents ("identifier").string_value (); |
6483 | 1037 |
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1038 octave_map err_stack = initialize_last_error_stack (); |
6483 | 1039 |
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1040 if (err.contains ("stack")) |
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1041 err_stack = err.contents ("stack").xmap_value ("ERR.STACK must be a struct"); |
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1042 |
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1043 rethrow_error (id, msg, err_stack); |
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1044 |
21078
49852ff04747
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1045 return ovl (); |
6361 | 1046 } |
1047 | |
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1048 // Determine whether the first argument to error or warning function |
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1049 // should be handled as the message identifier or as the format string. |
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1050 |
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1051 static bool |
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1052 maybe_extract_message_id (const std::string& caller, |
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1053 const octave_value_list& args, |
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1054 octave_value_list& nargs, |
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1055 std::string& id) |
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1056 { |
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|
1057 nargs = args; |
21017
93748bcaec17
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Rik <rik@octave.org>
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|
1058 id = ""; |
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1059 |
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1060 int nargin = args.length (); |
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1061 |
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1062 bool have_fmt = nargin > 1; |
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1063 |
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1064 if (nargin > 0) |
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1065 { |
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1066 std::string arg1 = args(0).string_value (); |
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1067 |
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1068 // For compatibility with Matlab, an identifier must contain |
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1069 // ':', but not at the beginning or the end, and it must not |
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1070 // contain '%' (even if it is not a valid conversion |
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1071 // operator) or whitespace. |
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1072 |
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1073 if (arg1.find_first_of ("% \f\n\r\t\v") == std::string::npos |
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1074 && arg1.find (':') != std::string::npos |
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1075 && arg1[0] != ':' |
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1076 && arg1[arg1.length ()-1] != ':') |
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1077 { |
20535
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1078 if (nargin > 1) |
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1079 { |
20535
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1080 id = arg1; |
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1081 |
20535
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1082 nargs.resize (nargin-1); |
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1083 |
20535
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1084 for (int i = 1; i < nargin; i++) |
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1085 nargs(i-1) = args(i); |
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1086 } |
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1087 else |
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1088 nargs(0) = "call to " + caller |
22407
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maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
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diff
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|
1089 + " with message identifier '" + arg1 |
34ce5be04942
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|
1090 + "' requires message"; |
14558
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1091 } |
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1092 } |
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1093 |
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1094 return have_fmt; |
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1095 } |
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1096 |
1957 | 1097 DEFUN (error, args, , |
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1098 doc: /* -*- texinfo -*- |
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1099 @deftypefn {} {} error (@var{template}, @dots{}) |
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1100 @deftypefnx {} {} error (@var{id}, @var{template}, @dots{}) |
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1101 Display an error message and stop m-file execution. |
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1102 |
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1103 Format the optional arguments under the control of the template string |
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1104 @var{template} using the same rules as the @code{printf} family of |
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1105 functions (@pxref{Formatted Output}) and print the resulting message |
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1106 on the @code{stderr} stream. The message is prefixed by the character |
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1107 string @samp{error: }. |
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1108 |
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1109 Calling @code{error} also sets Octave's internal error state such that |
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1110 control will return to the top level without evaluating any further |
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1111 commands. This is useful for aborting from functions or scripts. |
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1112 |
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1113 If the error message does not end with a newline character, Octave will |
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1114 print a traceback of all the function calls leading to the error. For |
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1115 example, given the following function definitions: |
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1116 |
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1117 @example |
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1118 @group |
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1119 function f () g (); end |
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1120 function g () h (); end |
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1121 function h () nargin == 1 || error ("nargin != 1"); end |
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1122 @end group |
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1123 @end example |
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1124 |
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1125 @noindent |
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1126 calling the function @code{f} will result in a list of messages that |
22808
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1127 can help you to quickly find the exact location of the error: |
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1128 |
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1129 @example |
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1130 @group |
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1131 f () |
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1132 error: nargin != 1 |
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1133 error: called from: |
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1134 error: h at line 1, column 27 |
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1135 error: g at line 1, column 15 |
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1136 error: f at line 1, column 15 |
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1137 @end group |
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1138 @end example |
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1139 |
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1140 If the error message ends in a newline character, Octave will print the |
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1141 message but will not display any traceback messages as it returns |
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1142 control to the top level. For example, modifying the error message |
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1143 in the previous example to end in a newline causes Octave to only print |
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1144 a single message: |
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1145 |
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1146 @example |
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1147 @group |
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1148 function h () nargin == 1 || error ("nargin != 1\n"); end |
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1149 f () |
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1150 error: nargin != 1 |
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1151 @end group |
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1152 @end example |
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1153 |
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1154 A null string ("") input to @code{error} will be ignored and the code |
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1155 will continue running as if the statement were a NOP@. This is for |
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1156 compatibility with @sc{matlab}. It also makes it possible to write code |
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1157 such as |
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1158 |
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1159 @example |
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1160 @group |
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1161 err_msg = ""; |
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1162 if (CONDITION 1) |
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1163 err_msg = "CONDITION 1 found"; |
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1164 elseif (CONDITION2) |
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1165 err_msg = "CONDITION 2 found"; |
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1166 @dots{} |
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1167 endif |
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1168 error (err_msg); |
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1169 @end group |
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1170 @end example |
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1171 |
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1172 @noindent |
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1173 which will only stop execution if an error has been found. |
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1174 |
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1175 Implementation Note: For compatibility with @sc{matlab}, escape |
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1176 sequences in @var{template} (e.g., @qcode{"@xbackslashchar{}n"} => |
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1177 newline) are processed regardless of whether @var{template} has been defined |
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1178 with single quotes, as long as there are two or more input arguments. To |
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1179 disable escape sequence expansion use a second backslash before the sequence |
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1180 (e.g., @qcode{"@xbackslashchar{}@xbackslashchar{}n"}) or use the |
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1181 @code{regexptranslate} function. |
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1182 @seealso{warning, lasterror} |
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1183 @end deftypefn */) |
897 | 1184 { |
7252 | 1185 |
1186 int nargin = args.length (); | |
1187 | |
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1188 if (nargin == 0) |
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1189 print_usage (); |
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1190 |
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1191 octave_value retval; |
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1192 |
7252 | 1193 octave_value_list nargs = args; |
1194 | |
1195 std::string id; | |
1196 | |
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1197 bool have_fmt = false; |
5567 | 1198 |
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1199 if (nargin == 1 && args(0).is_map ()) |
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1200 { |
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1201 // empty struct is not an error. return and resume calling function. |
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1202 if (args(0).is_empty ()) |
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1203 return retval; |
13709
a0875c6cab7e
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1204 |
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1205 octave_scalar_map m = args(0).scalar_map_value (); |
7252 | 1206 |
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1207 // empty struct is not an error. return and resume calling function. |
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1208 if (m.nfields () == 0) |
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1209 return retval; |
7252 | 1210 |
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1211 if (m.contains ("message")) |
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1212 { |
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1213 octave_value c = m.getfield ("message"); |
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1214 |
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1215 if (c.is_string ()) |
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1216 nargs(0) = c.string_value (); |
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1217 } |
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1218 |
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|
1219 if (m.contains ("identifier")) |
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|
1220 { |
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|
1221 octave_value c = m.getfield ("identifier"); |
7252 | 1222 |
20803
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|
1223 if (c.is_string ()) |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
1224 id = c.string_value (); |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
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|
1225 } |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
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9588
diff
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|
1226 |
20803
c22206c1a88f
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John W. Eaton <jwe@octave.org>
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|
1227 // FIXME: also need to handle "stack" field in error structure, |
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|
1228 // but that will require some more significant surgery on |
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
1229 // handle_message, error_with_id, etc. |
7252 | 1230 } |
20803
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|
1231 else |
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|
1232 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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|
1233 |
20803
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|
1234 handle_message (error_with_id, id.c_str (), "unspecified error", |
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|
1235 nargs, have_fmt); |
7252 | 1236 |
3934 | 1237 return retval; |
1489 | 1238 } |
897 | 1239 |
15427
6823ad7a25b1
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diff
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|
1240 static octave_scalar_map |
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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diff
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|
1241 warning_query (const std::string& id_arg) |
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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|
1242 { |
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|
1243 octave_scalar_map retval; |
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|
1244 |
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|
1245 std::string id = id_arg; |
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|
1246 |
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diff
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|
1247 if (id == "last") |
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|
1248 id = Vlast_warning_id; |
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|
1249 |
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|
1250 Cell ident = warning_options.contents ("identifier"); |
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|
1251 Cell state = warning_options.contents ("state"); |
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|
1252 |
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|
1253 octave_idx_type nel = ident.numel (); |
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|
1254 |
20535
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|
1255 assert (nel != 0); |
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|
1256 |
15427
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|
1257 bool found = false; |
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|
1258 |
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|
1259 std::string val; |
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|
1260 |
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|
1261 for (octave_idx_type i = 0; i < nel; i++) |
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|
1262 { |
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|
1263 if (ident(i).string_value () == id) |
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|
1264 { |
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|
1265 val = state(i).string_value (); |
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|
1266 found = true; |
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|
1267 break; |
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|
1268 } |
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|
1269 } |
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|
1270 |
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diff
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|
1271 if (! found) |
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diff
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|
1272 { |
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diff
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|
1273 for (octave_idx_type i = 0; i < nel; i++) |
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|
1274 { |
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1275 if (ident(i).string_value () == "all") |
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|
1276 { |
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|
1277 val = state(i).string_value (); |
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|
1278 found = true; |
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|
1279 break; |
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|
1280 } |
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|
1281 } |
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|
1282 } |
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diff
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|
1283 |
20535
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|
1284 // The warning state "all" is always supposed to remain in the list, |
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|
1285 // so we should always find a state, either explicitly or by using the |
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|
1286 // state for "all". |
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|
1287 |
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|
1288 assert (found); |
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|
1289 |
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|
1290 retval.assign ("identifier", id); |
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|
1291 retval.assign ("state", val); |
15427
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|
1292 |
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|
1293 return retval; |
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|
1294 } |
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|
1295 |
19439
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|
1296 static std::string |
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|
1297 default_warning_state (void) |
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|
1298 { |
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|
1299 std::string retval = "on"; |
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|
1300 |
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|
1301 Cell ident = warning_options.contents ("identifier"); |
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|
1302 Cell state = warning_options.contents ("state"); |
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|
1303 |
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|
1304 octave_idx_type nel = ident.numel (); |
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|
1305 |
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|
1306 for (octave_idx_type i = 0; i < nel; i++) |
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1307 { |
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|
1308 if (ident(i).string_value () == "all") |
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|
1309 { |
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|
1310 retval = state(i).string_value (); |
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1311 break; |
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1312 } |
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1313 } |
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|
1314 |
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|
1315 return retval; |
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1316 } |
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|
1317 |
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|
1318 static void |
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|
1319 display_warning_options (std::ostream& os) |
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1320 { |
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|
1321 Cell ident = warning_options.contents ("identifier"); |
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|
1322 Cell state = warning_options.contents ("state"); |
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|
1323 |
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|
1324 octave_idx_type nel = ident.numel (); |
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|
1325 |
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|
1326 std::string all_state = default_warning_state (); |
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1327 |
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|
1328 if (all_state == "on") |
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|
1329 os << "By default, warnings are enabled."; |
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|
1330 else if (all_state == "off") |
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1331 os << "By default, warnings are disabled."; |
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1332 else if (all_state == "error") |
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|
1333 os << "By default, warnings are treated as errors."; |
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1334 else |
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|
1335 panic_impossible (); |
19597
db92e7e28e1f
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|
1336 |
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1337 if (nel > 1) |
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|
1338 os << "\n\n"; |
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|
1339 |
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changeset
|
1340 // The state for all is always supposed to be first in the list. |
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1341 |
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|
1342 for (octave_idx_type i = 1; i < nel; i++) |
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1343 { |
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|
1344 std::string tid = ident(i).string_value (); |
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|
1345 std::string tst = state(i).string_value (); |
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|
1346 |
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1347 os << std::setw (7) << tst << " " << tid << "\n"; |
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|
1348 } |
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|
1349 |
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diff
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|
1350 os << std::endl; |
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|
1351 } |
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|
1352 |
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|
1353 static void |
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fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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|
1354 set_warning_option (const std::string& state, const std::string& ident) |
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fix handling of options struct passed to warning function (bug #36393)
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|
1355 { |
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diff
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|
1356 std::string all_state = default_warning_state (); |
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|
1357 |
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John W. Eaton <jwe@octave.org>
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|
1358 if (state != "on" && state != "off" && state != "error") |
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|
1359 error ("invalid warning state: %s", state.c_str ()); |
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|
1360 |
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|
1361 Cell tid = warning_options.contents ("identifier"); |
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|
1362 Cell tst = warning_options.contents ("state"); |
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|
1363 |
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|
1364 octave_idx_type nel = tid.numel (); |
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|
1365 |
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diff
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|
1366 for (octave_idx_type i = 0; i < nel; i++) |
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fix handling of options struct passed to warning function (bug #36393)
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|
1367 { |
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|
1368 if (tid(i).string_value () == ident) |
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|
1369 { |
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|
1370 // We found it in the current list of options. If the state |
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|
1371 // for "all" is same as arg1, we can simply remove the item |
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fix handling of options struct passed to warning function (bug #36393)
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|
1372 // from the list. |
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fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1373 |
22121
879f297f3194
Retain at least "all" in warning list (bug #47543)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
22094
diff
changeset
|
1374 if (state == all_state && ident != "all") |
19439
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fix handling of options struct passed to warning function (bug #36393)
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|
1375 { |
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fix handling of options struct passed to warning function (bug #36393)
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|
1376 for (i = i + 1; i < nel; i++) |
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|
1377 { |
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fix handling of options struct passed to warning function (bug #36393)
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|
1378 tid(i-1) = tid(i); |
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|
1379 tst(i-1) = tst(i); |
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|
1380 } |
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|
1381 |
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fix handling of options struct passed to warning function (bug #36393)
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|
1382 tid.resize (dim_vector (1, nel-1)); |
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|
1383 tst.resize (dim_vector (1, nel-1)); |
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|
1384 } |
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fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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|
1385 else |
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|
1386 tst(i) = state; |
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fix handling of options struct passed to warning function (bug #36393)
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|
1387 |
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fix handling of options struct passed to warning function (bug #36393)
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|
1388 warning_options.clear (); |
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fix handling of options struct passed to warning function (bug #36393)
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|
1389 |
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diff
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|
1390 warning_options.assign ("identifier", tid); |
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fix handling of options struct passed to warning function (bug #36393)
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|
1391 warning_options.assign ("state", tst); |
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fix handling of options struct passed to warning function (bug #36393)
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|
1392 |
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fix handling of options struct passed to warning function (bug #36393)
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|
1393 return; |
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fix handling of options struct passed to warning function (bug #36393)
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|
1394 } |
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fix handling of options struct passed to warning function (bug #36393)
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|
1395 } |
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fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1396 |
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fix handling of options struct passed to warning function (bug #36393)
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19421
diff
changeset
|
1397 // The option wasn't already in the list. Append it. |
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fix handling of options struct passed to warning function (bug #36393)
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|
1398 |
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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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|
1399 tid.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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|
1400 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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diff
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|
1401 |
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fix handling of options struct passed to warning function (bug #36393)
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19421
diff
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|
1402 tid(nel) = ident; |
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fix handling of options struct passed to warning function (bug #36393)
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|
1403 tst(nel) = state; |
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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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|
1404 |
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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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|
1405 warning_options.clear (); |
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fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1406 |
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fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1407 warning_options.assign ("identifier", tid); |
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fix handling of options struct passed to warning function (bug #36393)
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diff
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|
1408 warning_options.assign ("state", tst); |
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|
1409 } |
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fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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|
1410 |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8347
diff
changeset
|
1411 DEFUN (warning, args, nargout, |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1412 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
1413 @deftypefn {} {} warning (@var{template}, @dots{}) |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1414 @deftypefnx {} {} warning (@var{id}, @var{template}, @dots{}) |
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move docstrings in C++ files out of C strings and into comments
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|
1415 @deftypefnx {} {} warning ("on", @var{id}) |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1416 @deftypefnx {} {} warning ("off", @var{id}) |
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move docstrings in C++ files out of C strings and into comments
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|
1417 @deftypefnx {} {} warning ("query", @var{id}) |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1418 @deftypefnx {} {} warning ("error", @var{id}) |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1419 @deftypefnx {} {} warning (@var{state}, "backtrace") |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1420 @deftypefnx {} {} warning (@var{state}, @var{id}, "local") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1421 Display a warning message or control the behavior of Octave's warning |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1422 system. |
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diff
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|
1423 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1424 Format the optional arguments under the control of the template string |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21885
diff
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|
1425 @var{template} using the same rules as the @code{printf} family of |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21885
diff
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|
1426 functions (@pxref{Formatted Output}) and print the resulting message |
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John W. Eaton <jwe@octave.org>
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diff
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|
1427 on the @code{stderr} stream. The message is prefixed by the character |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1428 string @samp{warning: }. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1429 You should use this function when you want to notify the user |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1430 of an unusual condition, but only when it makes sense for your program |
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|
1431 to go on. |
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|
1432 |
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diff
changeset
|
1433 The optional message identifier allows users to enable or disable |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1434 warnings tagged by @var{id}. A message identifier is of the form |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1435 "NAMESPACE:WARNING-NAME". Octave's own warnings use the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1436 @qcode{"Octave"} namespace (@pxref{XREFwarning_ids}). The special |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1437 identifier @qcode{"all"} may be used to set the state of all warnings. |
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|
1438 |
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John W. Eaton <jwe@octave.org>
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|
1439 If the first argument is @qcode{"on"} or @qcode{"off"}, |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1440 set the state of a particular warning using the identifier @var{id}. If the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1441 first argument is @qcode{"query"}, query the state of this warning |
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John W. Eaton <jwe@octave.org>
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|
1442 instead. If the identifier is omitted, a value of @qcode{"all"} is |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1443 assumed. If you set the state of a warning to @qcode{"error"}, the |
112b20240c87
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|
1444 warning named by @var{id} is handled as if it were an error instead. So, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
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|
1445 for example, the following handles all warnings as errors: |
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move docstrings in C++ files out of C strings and into comments
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|
1446 |
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|
1447 @example |
112b20240c87
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John W. Eaton <jwe@octave.org>
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|
1448 @group |
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|
1449 warning ("error"); |
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|
1450 @end group |
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|
1451 @end example |
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|
1452 |
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changeset
|
1453 If the state is @qcode{"on"} or @qcode{"off"} and the third argument |
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|
1454 is @qcode{"backtrace"}, then a stack trace is printed along with the |
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|
1455 warning message when warnings occur inside function calls. This option |
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move docstrings in C++ files out of C strings and into comments
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|
1456 is enabled by default. |
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|
1457 |
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changeset
|
1458 If the state is @qcode{"on"}, @qcode{"off"}, or @qcode{"error"} |
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|
1459 and the third argument is @qcode{"local"}, then the warning state |
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move docstrings in C++ files out of C strings and into comments
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|
1460 will be set temporarily, until the end of the current function. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21885
diff
changeset
|
1461 Changes to warning states that are set locally affect the current |
112b20240c87
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diff
changeset
|
1462 function and all functions called from the current scope. The |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1463 previous warning state is restored on return from the current |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1464 function. The @qcode{"local"} option is ignored if used in the top-level |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
1465 workspace. |
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diff
changeset
|
1466 |
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move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1467 Implementation Note: For compatibility with @sc{matlab}, escape |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1468 sequences in @var{template} (e.g., @qcode{"@xbackslashchar{}n"} => |
112b20240c87
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diff
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|
1469 newline) are processed regardless of whether @var{template} has been defined |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
1470 with single quotes, as long as there are two or more input arguments. To |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
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|
1471 disable escape sequence expansion use a second backslash before the sequence |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
1472 (e.g., @qcode{"@xbackslashchar{}@xbackslashchar{}n"}) or use the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1473 @code{regexptranslate} function. |
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move docstrings in C++ files out of C strings and into comments
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|
1474 @seealso{warning_ids, lastwarn, error} |
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move docstrings in C++ files out of C strings and into comments
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|
1475 @end deftypefn */) |
1489 | 1476 { |
5567 | 1477 octave_value retval; |
3934 | 1478 |
5567 | 1479 int nargin = args.length (); |
3935 | 1480 bool done = false; |
3934 | 1481 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1482 if (nargin > 0 && args.all_strings_p ()) |
3935 | 1483 { |
1484 string_vector argv = args.make_argv ("warning"); | |
1485 | |
20996 | 1486 std::string arg1 = argv[1]; |
20678
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diff
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|
1487 std::string arg2 = "all"; |
5567 | 1488 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
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|
1489 if (nargin >= 2) |
20996 | 1490 arg2 = argv[2]; |
5567 | 1491 |
20678
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|
1492 if (arg1 == "on" || arg1 == "off" || arg1 == "error") |
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|
1493 { |
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|
1494 octave_map old_warning_options = warning_options; |
15427
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implement local option for warnings
John W. Eaton <jwe@octave.org>
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|
1495 |
20996 | 1496 if (nargin == 3 && argv[3] == "local" |
20678
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1497 && ! symbol_table::at_top_level ()) |
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|
1498 { |
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|
1499 symbol_table::scope_id scope |
23052
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move octave_call_stack inside octave namespace
John W. Eaton <jwe@octave.org>
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22862
diff
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|
1500 = octave::call_stack::current_scope (); |
15427
6823ad7a25b1
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|
1501 |
20678
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|
1502 symbol_table::context_id context |
23052
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move octave_call_stack inside octave namespace
John W. Eaton <jwe@octave.org>
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22862
diff
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|
1503 = octave::call_stack::current_context (); |
15427
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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|
1504 |
20678
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|
1505 octave_scalar_map val = warning_query (arg2); |
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|
1506 |
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|
1507 octave_value curr_state = val.contents ("state"); |
15427
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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|
1508 |
20678
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|
1509 // FIXME: this might be better with a dictionary object. |
15427
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|
1510 |
20678
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|
1511 octave_value curr_warning_states |
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|
1512 = symbol_table::varval (".saved_warning_states.", |
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|
1513 scope, context); |
15427
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John W. Eaton <jwe@octave.org>
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|
1514 |
20678
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|
1515 octave_map m; |
15427
6823ad7a25b1
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|
1516 |
20678
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|
1517 if (curr_warning_states.is_defined ()) |
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|
1518 m = curr_warning_states.map_value (); |
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|
1519 else |
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|
1520 { |
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|
1521 string_vector fields (2); |
15427
6823ad7a25b1
implement local option for warnings
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diff
changeset
|
1522 |
20678
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|
1523 fields(0) = "identifier"; |
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|
1524 fields(1) = "state"; |
4b00afb5e9c3
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changeset
|
1525 |
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changeset
|
1526 m = octave_map (dim_vector (0, 1), fields); |
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|
1527 } |
15427
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1528 |
20678
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diff
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|
1529 Cell ids = m.contents ("identifier"); |
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20666
diff
changeset
|
1530 Cell states = m.contents ("state"); |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1531 |
20678
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diff
changeset
|
1532 octave_idx_type nel = states.numel (); |
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changeset
|
1533 bool found = false; |
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diff
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|
1534 octave_idx_type i; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1535 for (i = 0; i < nel; i++) |
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20666
diff
changeset
|
1536 { |
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John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1537 std::string id = ids(i).string_value (); |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1538 |
20678
4b00afb5e9c3
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diff
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|
1539 if (id == arg2) |
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20666
diff
changeset
|
1540 { |
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John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1541 states(i) = curr_state; |
4b00afb5e9c3
eliminate more uses of error_state
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20666
diff
changeset
|
1542 found = true; |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1543 break; |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1544 } |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
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15195
diff
changeset
|
1545 } |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1546 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1547 if (! found) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1548 { |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1549 m.resize (dim_vector (nel+1, 1)); |
4b00afb5e9c3
eliminate more uses of error_state
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20666
diff
changeset
|
1550 |
4b00afb5e9c3
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diff
changeset
|
1551 ids.resize (dim_vector (nel+1, 1)); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1552 states.resize (dim_vector (nel+1, 1)); |
3934 | 1553 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1554 ids(nel) = arg2; |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1555 states(nel) = curr_state; |
4b00afb5e9c3
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20666
diff
changeset
|
1556 } |
7202 | 1557 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1558 m.contents ("identifier") = ids; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1559 m.contents ("state") = states; |
7202 | 1560 |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
1561 symbol_table::assign (".saved_warning_states.", |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
1562 m, scope, context); |
20678
4b00afb5e9c3
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changeset
|
1563 |
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|
1564 // Now ignore the "local" argument and continue to |
4b00afb5e9c3
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|
1565 // handle the current setting. |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
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20853
diff
changeset
|
1566 nargin--; |
20678
4b00afb5e9c3
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changeset
|
1567 } |
7202 | 1568 |
21000 | 1569 if (nargin >= 2 && arg2 == "all") |
20678
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|
1570 { |
21000 | 1571 // If "all" is explicitly given as ID. |
7202 | 1572 |
20678
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|
1573 octave_map tmp; |
22223
cf18d6e791a1
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Lachlan Andrew <lachlanbis@gmail.com>
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diff
changeset
|
1574 int is_error = (arg1 == "error"); |
20678
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|
1575 |
22223
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changeset
|
1576 Cell id (1, 1 + 2*is_error); |
cf18d6e791a1
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changeset
|
1577 Cell st (1, 1 + 2*is_error); |
7206 | 1578 |
20678
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|
1579 id(0) = arg2; |
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|
1580 st(0) = arg1; |
7206 | 1581 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
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changeset
|
1582 // Since internal Octave functions are not compatible, |
22223
cf18d6e791a1
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changeset
|
1583 // and "all"=="error" causes any "on" to throw an error, |
cf18d6e791a1
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changeset
|
1584 // turning all warnings into errors should disable |
cf18d6e791a1
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|
1585 // Octave:language-extension. |
20678
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|
1586 |
22223
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|
1587 if (is_error) |
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|
1588 { |
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changeset
|
1589 id(1) = "Octave:language-extension"; |
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changeset
|
1590 st(1) = "off"; |
7202 | 1591 |
22223
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changeset
|
1592 id(2) = "Octave:single-quote-string"; |
cf18d6e791a1
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changeset
|
1593 st(2) = "off"; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1594 } |
5567 | 1595 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1596 tmp.assign ("identifier", id); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1597 tmp.assign ("state", st); |
5582 | 1598 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1599 warning_options = tmp; |
5567 | 1600 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1601 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1602 } |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1603 else if (arg2 == "backtrace") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1604 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1605 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1606 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1607 Vbacktrace_on_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1608 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1609 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1610 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1611 else if (arg2 == "debug") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1612 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1613 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1614 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1615 Vdebug_on_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1616 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1617 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1618 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1619 else if (arg2 == "verbose") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1620 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1621 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1622 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1623 Vverbose_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1624 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1625 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1626 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1627 else if (arg2 == "quiet") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1628 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1629 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1630 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1631 Vquiet_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1632 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1633 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1634 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1635 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1636 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1637 if (arg2 == "last") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1638 arg2 = Vlast_warning_id; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1639 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1640 set_warning_option (arg1, arg2); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1641 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1642 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1643 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1644 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1645 if (done && nargout > 0) |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1646 retval = old_warning_options; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1647 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1648 else if (arg1 == "query") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1649 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1650 if (arg2 == "all") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1651 retval = warning_options; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1652 else if (arg2 == "backtrace" || arg2 == "debug" |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1653 || arg2 == "verbose" || arg2 == "quiet") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1654 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1655 octave_scalar_map tmp; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1656 tmp.assign ("identifier", arg2); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1657 if (arg2 == "backtrace") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1658 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
|
1659 else if (arg2 == "debug") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1660 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
|
1661 else if (arg2 == "verbose") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1662 tmp.assign ("state", Vverbose_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1663 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1664 tmp.assign ("state", Vquiet_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1665 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1666 retval = tmp; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1667 } |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1668 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1669 retval = warning_query (arg2); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1670 |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1671 done = true; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1672 } |
3934 | 1673 } |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1674 else if (nargin == 0) |
5567 | 1675 { |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1676 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
|
1677 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
|
1678 else |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1679 display_warning_options (octave_stdout); |
3934 | 1680 |
5567 | 1681 done = true; |
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 == 1) |
5567 | 1684 { |
1685 octave_value arg = args(0); | |
1686 | |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1687 octave_map old_warning_options = warning_options; |
5567 | 1688 |
1689 if (arg.is_map ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1690 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1691 octave_map m = arg.map_value (); |
5567 | 1692 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1693 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
|
1694 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
|
1695 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1696 // 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
|
1697 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1698 Cell ident = m.contents ("identifier"); |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1699 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
|
1700 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1701 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
|
1702 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1703 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
|
1704 { |
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1705 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
|
1706 std::string tid = ident(i).string_value (); |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1707 |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
1708 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
|
1709 } |
5567 | 1710 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1711 done = true; |
5567 | 1712 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1713 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1714 retval = old_warning_options; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1715 } |
5567 | 1716 } |
1717 | |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1718 if (! done) |
3935 | 1719 { |
5567 | 1720 octave_value_list nargs = args; |
1721 | |
1722 std::string id; | |
1723 | |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1724 bool have_fmt = maybe_extract_message_id ("warning", args, nargs, id); |
5567 | 1725 |
3935 | 1726 std::string prev_msg = Vlast_warning_message; |
1727 | |
5567 | 1728 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
|
1729 "unspecified warning", nargs, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1730 have_fmt); |
3935 | 1731 |
1732 if (nargout > 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1733 retval = prev_msg; |
3935 | 1734 } |
1735 | |
3934 | 1736 return retval; |
1737 } | |
1738 | |
20963
6ed7bae8017b
Fix behavior of warning ("error") call (bug #45753).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20181
diff
changeset
|
1739 /* |
22489
93ea313301f9
test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
1740 %!test <45753> |
20963
6ed7bae8017b
Fix behavior of warning ("error") call (bug #45753).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20181
diff
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|
1741 %! warning ("error"); |
6ed7bae8017b
Fix behavior of warning ("error") call (bug #45753).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20181
diff
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|
1742 %! assert (! isempty (help ("warning"))); |
6ed7bae8017b
Fix behavior of warning ("error") call (bug #45753).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20181
diff
changeset
|
1743 */ |
6ed7bae8017b
Fix behavior of warning ("error") call (bug #45753).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
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diff
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|
1744 |
10605
1834132fb50b
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John W. Eaton <jwe@octave.org>
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diff
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|
1745 octave_value_list |
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1746 set_warning_state (const std::string& id, const std::string& state) |
5794 | 1747 { |
1748 octave_value_list args; | |
1749 | |
1750 args(1) = id; | |
10605
1834132fb50b
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diff
changeset
|
1751 args(0) = state; |
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John W. Eaton <jwe@octave.org>
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diff
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|
1752 |
1834132fb50b
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|
1753 return Fwarning (args, 1); |
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allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1754 } |
5794 | 1755 |
10605
1834132fb50b
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John W. Eaton <jwe@octave.org>
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diff
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|
1756 octave_value_list |
1834132fb50b
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John W. Eaton <jwe@octave.org>
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diff
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|
1757 set_warning_state (const octave_value_list& args) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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diff
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|
1758 { |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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|
1759 return Fwarning (args, 1); |
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parents:
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|
1760 } |
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John W. Eaton <jwe@octave.org>
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|
1761 |
1834132fb50b
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|
1762 void |
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|
1763 disable_warning (const std::string& id) |
1834132fb50b
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John W. Eaton <jwe@octave.org>
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diff
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|
1764 { |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
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|
1765 set_warning_option ("off", id); |
5794 | 1766 } |
1767 | |
1768 void | |
1769 initialize_default_warning_state (void) | |
1770 { | |
1771 initialize_warning_options ("on"); | |
1772 | |
1773 // Most people will want to have the following disabled. | |
1774 | |
21990
efce657ceb86
Provide a warning when an array is used in an if/while/until (bug #43098).
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21966
diff
changeset
|
1775 disable_warning ("Octave:array-as-logical"); |
5794 | 1776 disable_warning ("Octave:array-to-scalar"); |
1777 disable_warning ("Octave:array-to-vector"); | |
1778 disable_warning ("Octave:imag-to-real"); | |
19852
e9a0bd0b125c
Rename 'matlab-incompatible' warning to 'language-extension'.
Carnë Draug <carandraug@octave.org>
parents:
19849
diff
changeset
|
1779 disable_warning ("Octave:language-extension"); |
5794 | 1780 disable_warning ("Octave:missing-semicolon"); |
1781 disable_warning ("Octave:neg-dim-as-zero"); | |
1782 disable_warning ("Octave:resize-on-range-error"); | |
1783 disable_warning ("Octave:separator-insert"); | |
1784 disable_warning ("Octave:single-quote-string"); | |
1785 disable_warning ("Octave:str-to-num"); | |
13841
0a158dbdb04a
Remove 3 unused warning ids
Rik <octave@nomad.inbox5.com>
parents:
13709
diff
changeset
|
1786 disable_warning ("Octave:mixed-string-concat"); |
5794 | 1787 disable_warning ("Octave:variable-switch-label"); |
1788 } | |
1789 | |
6361 | 1790 DEFUN (lasterror, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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|
1791 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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1792 @deftypefn {} {@var{lasterr} =} lasterror () |
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move docstrings in C++ files out of C strings and into comments
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|
1793 @deftypefnx {} {} lasterror (@var{err}) |
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move docstrings in C++ files out of C strings and into comments
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|
1794 @deftypefnx {} {} lasterror ("reset") |
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move docstrings in C++ files out of C strings and into comments
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1795 Query or set the last error message structure. |
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|
1796 |
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|
1797 When called without arguments, return a structure containing the last error |
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move docstrings in C++ files out of C strings and into comments
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|
1798 message and other information related to this error. The elements of the |
112b20240c87
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John W. Eaton <jwe@octave.org>
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|
1799 structure are: |
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|
1800 |
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|
1801 @table @code |
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|
1802 @item message |
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|
1803 The text of the last error message |
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|
1804 |
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|
1805 @item identifier |
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1806 The message identifier of this error message |
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|
1807 |
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|
1808 @item stack |
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1809 A structure containing information on where the message occurred. This may |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
1810 be an empty structure if the information cannot be obtained. The fields of |
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1811 the structure are: |
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1812 |
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1813 @table @code |
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1814 @item file |
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1815 The name of the file where the error occurred |
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1816 |
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1817 @item name |
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1818 The name of function in which the error occurred |
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1819 |
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|
1820 @item line |
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1821 The line number at which the error occurred |
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1822 |
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|
1823 @item column |
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1824 An optional field with the column number at which the error occurred |
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|
1825 @end table |
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1826 @end table |
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1827 |
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1828 The last error structure may be set by passing a scalar structure, |
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1829 @var{err}, as input. Any fields of @var{err} that match those above are |
112b20240c87
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1830 set while any unspecified fields are initialized with default values. |
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1831 |
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1832 If @code{lasterror} is called with the argument @qcode{"reset"}, all |
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1833 fields are set to their default values. |
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1834 @seealso{lasterr, error, lastwarn} |
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|
1835 @end deftypefn */) |
6361 | 1836 { |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14559
diff
changeset
|
1837 int nargin = args.length (); |
6361 | 1838 |
20803
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|
1839 if (nargin > 1) |
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|
1840 print_usage (); |
6361 | 1841 |
20803
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|
1842 octave_scalar_map err; |
6361 | 1843 |
20803
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|
1844 err.assign ("message", Vlast_error_message); |
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|
1845 err.assign ("identifier", Vlast_error_id); |
7976
736124a4fa3d
lasterr, lasterror: unwind-protect error_state
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diff
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|
1846 |
20803
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1847 err.assign ("stack", octave_value (Vlast_error_stack)); |
7976
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1848 |
20803
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|
1849 if (nargin == 1) |
6361 | 1850 { |
20803
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|
1851 if (args(0).is_string ()) |
10315
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|
1852 { |
20980
81c2b14c209f
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
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20946
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|
1853 if (args(0).string_value () != "reset") |
81c2b14c209f
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
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20946
diff
changeset
|
1854 error ("lasterror: unrecognized string argument"); |
6361 | 1855 |
21017
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
21015
diff
changeset
|
1856 Vlast_error_message = ""; |
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
21015
diff
changeset
|
1857 Vlast_error_id = ""; |
6361 | 1858 |
20980
81c2b14c209f
maint: invert if/else/error instances.
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|
1859 Vlast_error_stack = initialize_last_error_stack (); |
20803
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1860 } |
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|
1861 else if (args(0).is_map ()) |
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1862 { |
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1863 octave_scalar_map new_err = args(0).scalar_map_value (); |
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1864 octave_scalar_map new_err_stack; |
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1865 std::string new_error_message; |
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|
1866 std::string new_error_id; |
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1867 std::string new_error_file; |
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|
1868 std::string new_error_name; |
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|
1869 int new_error_line = -1; |
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|
1870 int new_error_column = -1; |
21856
c9c5340d4758
lasterror: Allow setting error state with an empty stack
Mike Miller <mtmiller@octave.org>
parents:
21751
diff
changeset
|
1871 bool initialize_stack = false; |
6361 | 1872 |
20803
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|
1873 if (new_err.contains ("message")) |
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1874 { |
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|
1875 const std::string tmp = |
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|
1876 new_err.getfield ("message").string_value (); |
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|
1877 new_error_message = tmp; |
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1878 } |
6361 | 1879 |
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|
1880 if (new_err.contains ("identifier")) |
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1881 { |
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|
1882 const std::string tmp = |
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|
1883 new_err.getfield ("identifier").string_value (); |
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|
1884 new_error_id = tmp; |
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1885 } |
6361 | 1886 |
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1887 if (new_err.contains ("stack")) |
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1888 { |
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1889 if (new_err.getfield ("stack").is_empty ()) |
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1890 initialize_stack = true; |
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1891 else |
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1892 { |
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1893 new_err_stack = |
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1894 new_err.getfield ("stack").scalar_map_value (); |
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1895 |
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1896 if (new_err_stack.contains ("file")) |
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1897 { |
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1898 const std::string tmp = |
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1899 new_err_stack.getfield ("file").string_value (); |
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1900 new_error_file = tmp; |
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1901 } |
6361 | 1902 |
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1903 if (new_err_stack.contains ("name")) |
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1904 { |
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1905 const std::string tmp = |
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1906 new_err_stack.getfield ("name").string_value (); |
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1907 new_error_name = tmp; |
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1908 } |
6361 | 1909 |
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1910 if (new_err_stack.contains ("line")) |
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1911 { |
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1912 const int tmp = |
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1913 new_err_stack.getfield ("line").nint_value (); |
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1914 new_error_line = tmp; |
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1915 } |
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1916 |
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1917 if (new_err_stack.contains ("column")) |
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1918 { |
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1919 const int tmp = |
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1920 new_err_stack.getfield ("column").nint_value (); |
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1921 new_error_column = tmp; |
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1922 } |
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1923 } |
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1924 } |
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1925 |
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1926 Vlast_error_message = new_error_message; |
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1927 Vlast_error_id = new_error_id; |
6361 | 1928 |
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1929 if (initialize_stack) |
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1930 Vlast_error_stack = initialize_last_error_stack (); |
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1931 else if (new_err.contains ("stack")) |
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1932 { |
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1933 new_err_stack.setfield ("file", new_error_file); |
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1934 new_err_stack.setfield ("name", new_error_name); |
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1935 new_err_stack.setfield ("line", new_error_line); |
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1936 new_err_stack.setfield ("column", new_error_column); |
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1937 Vlast_error_stack = new_err_stack; |
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1938 } |
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1939 else |
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1940 { |
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1941 // No stack field. Fill it in with backtrace info. |
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1942 octave_idx_type curr_frame = -1; |
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1943 |
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1944 Vlast_error_stack |
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1945 = octave::call_stack::backtrace (0, curr_frame); |
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1946 } |
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1947 } |
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1948 else |
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1949 error ("lasterror: argument must be a structure or a string"); |
6361 | 1950 } |
1951 | |
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1952 return ovl (err); |
6361 | 1953 } |
1954 | |
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1955 /* |
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1956 ## Test lasterror with empty error state |
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1957 %!test |
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1958 %! lasterror ("reset"); |
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1959 %! x = lasterror (); |
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1960 %! assert (x.identifier, "") |
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1961 %! assert (x.message, "") |
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1962 %! assert (isempty (x.stack)) |
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1963 %! lasterror (x); |
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1964 %! y = lasterror (); |
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1965 %! assert (y, x); |
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1966 */ |
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1967 |
5567 | 1968 DEFUN (lasterr, args, nargout, |
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1969 doc: /* -*- texinfo -*- |
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1970 @deftypefn {} {[@var{msg}, @var{msgid}] =} lasterr () |
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1971 @deftypefnx {} {} lasterr (@var{msg}) |
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1972 @deftypefnx {} {} lasterr (@var{msg}, @var{msgid}) |
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1973 Query or set the last error message. |
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1974 |
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1975 When called without input arguments, return the last error message and |
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1976 message identifier. |
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1977 |
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1978 With one argument, set the last error message to @var{msg}. |
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1979 |
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1980 With two arguments, also set the last message identifier. |
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1981 @seealso{lasterror, error, lastwarn} |
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1982 @end deftypefn */) |
3935 | 1983 { |
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1984 int nargin = args.length (); |
3935 | 1985 |
20817
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1986 if (nargin > 2) |
5823 | 1987 print_usage (); |
3935 | 1988 |
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1989 string_vector argv = args.make_argv ("lasterr"); |
5567 | 1990 |
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1991 std::string prev_error_id = Vlast_error_id; |
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1992 std::string prev_error_message = Vlast_error_message; |
5567 | 1993 |
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1994 if (nargin == 2) |
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1995 { |
20996 | 1996 Vlast_error_id = argv[2]; |
1997 Vlast_error_message = argv[1]; | |
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1998 } |
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|
1999 else if (nargin == 1) |
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2000 { |
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2001 Vlast_error_id = ""; |
20996 | 2002 Vlast_error_message = argv[1]; |
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2003 } |
5567 | 2004 |
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2005 if (nargin == 0 || nargout > 0) |
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2006 return ovl (prev_error_message, prev_error_id); |
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2007 else |
20941
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|
2008 return ovl (); |
3935 | 2009 } |
2010 | |
5567 | 2011 DEFUN (lastwarn, args, nargout, |
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2012 doc: /* -*- texinfo -*- |
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2013 @deftypefn {} {[@var{msg}, @var{msgid}] =} lastwarn () |
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2014 @deftypefnx {} {} lastwarn (@var{msg}) |
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2015 @deftypefnx {} {} lastwarn (@var{msg}, @var{msgid}) |
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2016 Query or set the last warning message. |
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2017 |
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2018 When called without input arguments, return the last warning message and |
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2019 message identifier. |
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2020 |
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2021 With one argument, set the last warning message to @var{msg}. |
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|
2022 |
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move docstrings in C++ files out of C strings and into comments
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2023 With two arguments, also set the last message identifier. |
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move docstrings in C++ files out of C strings and into comments
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2024 @seealso{warning, lasterror, lasterr} |
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move docstrings in C++ files out of C strings and into comments
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|
2025 @end deftypefn */) |
3934 | 2026 { |
20817
3d551b2ae928
Use variable name nargin consistently in C++ code.
Rik <rik@octave.org>
parents:
20803
diff
changeset
|
2027 int nargin = args.length (); |
5567 | 2028 |
20817
3d551b2ae928
Use variable name nargin consistently in C++ code.
Rik <rik@octave.org>
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diff
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|
2029 if (nargin > 2) |
5823 | 2030 print_usage (); |
3934 | 2031 |
20803
c22206c1a88f
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
2032 string_vector argv = args.make_argv ("lastwarn"); |
5567 | 2033 |
20803
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eliminate return statements after calls to print_usage
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|
2034 std::string prev_warning_id = Vlast_warning_id; |
c22206c1a88f
eliminate return statements after calls to print_usage
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|
2035 std::string prev_warning_message = Vlast_warning_message; |
3934 | 2036 |
20817
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Use variable name nargin consistently in C++ code.
Rik <rik@octave.org>
parents:
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diff
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|
2037 if (nargin == 2) |
20828
7883f240d8ea
Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
parents:
20827
diff
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|
2038 { |
20996 | 2039 Vlast_warning_id = argv[2]; |
2040 Vlast_warning_message = argv[1]; | |
20828
7883f240d8ea
Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
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diff
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|
2041 } |
7883f240d8ea
Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
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diff
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|
2042 else if (nargin == 1) |
7883f240d8ea
Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
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diff
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|
2043 { |
7883f240d8ea
Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
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|
2044 Vlast_warning_id = ""; |
20996 | 2045 Vlast_warning_message = argv[1]; |
20828
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Rik <rik@octave.org>
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diff
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|
2046 } |
5567 | 2047 |
20817
3d551b2ae928
Use variable name nargin consistently in C++ code.
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diff
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|
2048 if (nargin == 0 || nargout > 0) |
20828
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Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
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diff
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|
2049 return ovl (prev_warning_message, prev_warning_id); |
7883f240d8ea
Clear error/warning ID when lasterror/lastwarning called with just a message.
Rik <rik@octave.org>
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diff
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|
2050 else |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
2051 return ovl (); |
897 | 2052 } |
2053 | |
20946 | 2054 // FIXME: Deprecated in 4.0 and scheduled for removal in 4.4. |
2055 | |
19111 | 2056 DEFUN (__usage__, args, , |
21966
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move docstrings in C++ files out of C strings and into comments
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|
2057 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
2058 @deftypefn {} {} usage (@var{msg}) |
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move docstrings in C++ files out of C strings and into comments
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2059 Print the message @var{msg}, prefixed by the string @samp{usage: }, and |
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move docstrings in C++ files out of C strings and into comments
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2060 set Octave's internal error state such that control will return to the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2061 top level without evaluating any more commands. This is useful for |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2062 aborting from functions. |
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2063 |
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2064 After @code{usage} is evaluated, Octave will print a traceback of all |
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move docstrings in C++ files out of C strings and into comments
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2065 the function calls leading to the usage message. |
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2066 |
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2067 You should use this function for reporting problems errors that result |
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2068 from an improper call to a function, such as calling a function with an |
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move docstrings in C++ files out of C strings and into comments
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|
2069 incorrect number of arguments, or with arguments of the wrong type. For |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2070 example, most functions distributed with Octave begin with code like |
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move docstrings in C++ files out of C strings and into comments
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|
2071 this |
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|
2072 |
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|
2073 @example |
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2074 @group |
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2075 if (nargin != 2) |
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2076 usage ("foo (a, b)"); |
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2077 endif |
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2078 @end group |
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2079 @end example |
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2080 |
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2081 @noindent |
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2082 to check for the proper number of arguments. |
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move docstrings in C++ files out of C strings and into comments
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|
2083 @end deftypefn */) |
899 | 2084 { |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
2085 handle_message (usage_with_id, "", "unknown", args, true); |
21078
49852ff04747
maint: Remove unnecessary declarations of retval.
Rik <rik@octave.org>
parents:
21040
diff
changeset
|
2086 return ovl (); |
899 | 2087 } |
2088 | |
5794 | 2089 DEFUN (beep_on_error, args, nargout, |
21966
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2090 doc: /* -*- texinfo -*- |
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2091 @deftypefn {} {@var{val} =} beep_on_error () |
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2092 @deftypefnx {} {@var{old_val} =} beep_on_error (@var{new_val}) |
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2093 @deftypefnx {} {} beep_on_error (@var{new_val}, "local") |
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2094 Query or set the internal variable that controls whether Octave will try |
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move docstrings in C++ files out of C strings and into comments
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2095 to ring the terminal bell before printing an error message. |
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|
2096 |
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|
2097 When called from inside a function with the @qcode{"local"} option, the |
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move docstrings in C++ files out of C strings and into comments
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|
2098 variable is changed locally for the function and any subroutines it calls. |
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move docstrings in C++ files out of C strings and into comments
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|
2099 The original variable value is restored when exiting the function. |
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|
2100 @end deftypefn */) |
3707 | 2101 { |
5794 | 2102 return SET_INTERNAL_VARIABLE (beep_on_error); |
3707 | 2103 } |
2104 | |
5794 | 2105 DEFUN (debug_on_error, args, nargout, |
21966
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move docstrings in C++ files out of C strings and into comments
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|
2106 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
2107 @deftypefn {} {@var{val} =} debug_on_error () |
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move docstrings in C++ files out of C strings and into comments
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|
2108 @deftypefnx {} {@var{old_val} =} debug_on_error (@var{new_val}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2109 @deftypefnx {} {} debug_on_error (@var{new_val}, "local") |
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|
2110 Query or set the internal variable that controls whether Octave will try |
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move docstrings in C++ files out of C strings and into comments
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|
2111 to enter the debugger when an error is encountered. |
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2112 |
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|
2113 This will also inhibit printing of the normal traceback message (you will |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2114 only see the top-level error message). |
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2115 |
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|
2116 When called from inside a function with the @qcode{"local"} option, the |
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move docstrings in C++ files out of C strings and into comments
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|
2117 variable is changed locally for the function and any subroutines it calls. |
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move docstrings in C++ files out of C strings and into comments
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2118 The original variable value is restored when exiting the function. |
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|
2119 @seealso{debug_on_warning, debug_on_interrupt} |
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|
2120 @end deftypefn */) |
5794 | 2121 { |
2122 return SET_INTERNAL_VARIABLE (debug_on_error); | |
2123 } | |
3707 | 2124 |
5794 | 2125 DEFUN (debug_on_warning, args, nargout, |
21966
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|
2126 doc: /* -*- texinfo -*- |
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2127 @deftypefn {} {@var{val} =} debug_on_warning () |
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2128 @deftypefnx {} {@var{old_val} =} debug_on_warning (@var{new_val}) |
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2129 @deftypefnx {} {} debug_on_warning (@var{new_val}, "local") |
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2130 Query or set the internal variable that controls whether Octave will try |
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2131 to enter the debugger when a warning is encountered. |
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2132 |
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|
2133 When called from inside a function with the @qcode{"local"} option, the |
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2134 variable is changed locally for the function and any subroutines it calls. |
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2135 The original variable value is restored when exiting the function. |
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2136 @seealso{debug_on_error, debug_on_interrupt} |
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|
2137 @end deftypefn */) |
5794 | 2138 { |
2139 return SET_INTERNAL_VARIABLE (debug_on_warning); | |
2174 | 2140 } |
2141 | |
7977
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2142 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2143 last_error_message (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2144 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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7976
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|
2145 return Vlast_error_message; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2146 } |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2147 |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2148 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2149 last_error_id (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2150 { |
065c28e1c368
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|
2151 return Vlast_error_id; |
065c28e1c368
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2152 } |
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|
2153 |
18222
6ef8b920a7d6
include stack in exception variable (bug #41117)
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18130
diff
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|
2154 octave_map |
6ef8b920a7d6
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|
2155 last_error_stack (void) |
6ef8b920a7d6
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|
2156 { |
6ef8b920a7d6
include stack in exception variable (bug #41117)
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|
2157 return Vlast_error_stack; |
6ef8b920a7d6
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|
2158 } |
6ef8b920a7d6
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|
2159 |
7977
065c28e1c368
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|
2160 std::string |
065c28e1c368
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7976
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2161 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
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2162 { |
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
|
2163 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
|
2164 } |
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
|
2165 |
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
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2166 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
|
2167 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
|
2168 { |
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
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|
2169 return Vlast_warning_id; |
065c28e1c368
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David Bateman <dbateman@free.fr>
parents:
7976
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2170 } |
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Jaroslav Hajek <highegg@gmail.com>
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2171 |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
parents:
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2172 void |
21743
f4d7d0eb5b0c
use namespace for unwind_protect class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
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2173 interpreter_try (octave::unwind_protect& frame) |
11029
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Jaroslav Hajek <highegg@gmail.com>
parents:
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2174 { |
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parents:
10840
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2175 frame.protect_var (buffer_error_messages); |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
parents:
10840
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2176 frame.protect_var (Vdebug_on_error); |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
parents:
10840
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2177 frame.protect_var (Vdebug_on_warning); |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
parents:
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2178 |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
parents:
10840
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2179 buffer_error_messages++; |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
parents:
10840
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2180 Vdebug_on_error = false; |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
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2181 Vdebug_on_warning = false; |
21157
94fc5f13d51b
dbstop: conditional breakpoint, dbstop if caught error etc. (bug #46795)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21127
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2182 // leave Vdebug_on_caught as it was, so errors in try/catch are still caught |
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2183 } |