Mercurial > octave
annotate libinterp/corefcn/error.cc @ 20785:b6f2909e7f94
always throw exception after debugging with debug_on_error
* quit.h (octave_execution_exception::set_stack_trace (void)):
New overloaded function.
* error.h, error.cc (maybe_enter_debugger): Rename from
debug_or_throw_exception. Just handle debugging. Display stack trace
from exception object instead of calling pr_where. If stack trace is
printed, clear stack trace info from exception object. Pass object as
non-const reference.
(usage_1, error_1): Throw execption after call to maybe_enter_debugger.
Pass exception object by non-const reference.
(verror, error): Pass exception object by non-const reference.
* gripes.h, gripes.cc (gripe_user_supplied_eval,
gripe_wrong_type_arg): Pass exception object by non-const reference.
* __qp__.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, file-io.cc,
graphics.cc, graphics.in.h, lsode.cc, oct-handle.h, oct-map.cc,
quad.cc, rand.cc, toplev.cc, __eigs__.cc, ov-base.cc, ov.cc,
oct-parse.in.yy: Catch octave_execution_exception as non-const
reference as needed.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 02 Dec 2015 16:54:13 -0500 |
parents | 92958b1ee100 |
children | c22206c1a88f |
rev | line source |
---|---|
1 | 1 /* |
2 | |
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maint: Update copyright notices for 2015.
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3 Copyright (C) 1993-2015 John W. Eaton |
1 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
1 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
1 | 20 |
21 */ | |
22 | |
240 | 23 #ifdef HAVE_CONFIG_H |
1192 | 24 #include <config.h> |
1 | 25 #endif |
26 | |
1343 | 27 #include <cstdarg> |
1633 | 28 #include <cstring> |
1343 | 29 |
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30 #include <iomanip> |
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31 #include <iostream> |
5765 | 32 #include <sstream> |
1728 | 33 #include <string> |
34 | |
1352 | 35 #include "defun.h" |
1 | 36 #include "error.h" |
3707 | 37 #include "input.h" |
1742 | 38 #include "pager.h" |
1352 | 39 #include "oct-obj.h" |
5567 | 40 #include "oct-map.h" |
1352 | 41 #include "utils.h" |
2370 | 42 #include "ov.h" |
3707 | 43 #include "ov-usr-fcn.h" |
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44 #include "pt-eval.h" |
3707 | 45 #include "pt-pr-code.h" |
46 #include "pt-stmt.h" | |
47 #include "toplev.h" | |
48 #include "unwind-prot.h" | |
2370 | 49 #include "variables.h" |
1 | 50 |
2174 | 51 // TRUE means that Octave will try to beep obnoxiously before printing |
52 // error messages. | |
5794 | 53 static bool Vbeep_on_error = false; |
2174 | 54 |
3707 | 55 // TRUE means that Octave will try to enter the debugger when an error |
56 // is encountered. This will also inhibit printing of the normal | |
57 // traceback message (you will only see the top-level error message). | |
7353 | 58 bool Vdebug_on_error = false; |
3707 | 59 |
60 // TRUE means that Octave will try to enter the debugger when a warning | |
61 // is encountered. | |
7353 | 62 bool Vdebug_on_warning = false; |
3707 | 63 |
5567 | 64 // TRUE means that Octave will try to display a stack trace when a |
65 // warning is encountered. | |
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66 static bool Vbacktrace_on_warning = true; |
5567 | 67 |
68 // TRUE means that Octave will print a verbose warning. Currently unused. | |
69 static bool Vverbose_warning; | |
70 | |
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71 // TRUE means that Octave will print no warnings, but lastwarn will be updated |
5582 | 72 static bool Vquiet_warning = false; |
73 | |
5567 | 74 // A structure containing (most of) the current state of warnings. |
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75 static octave_map warning_options; |
5567 | 76 |
3935 | 77 // The text of the last error message. |
78 static std::string Vlast_error_message; | |
79 | |
3934 | 80 // The text of the last warning message. |
81 static std::string Vlast_warning_message; | |
82 | |
5567 | 83 // The last warning message id. |
84 static std::string Vlast_warning_id; | |
3934 | 85 |
5567 | 86 // The last error message id. |
87 static std::string Vlast_error_id; | |
3934 | 88 |
6361 | 89 // The last file in which an error occured |
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90 static octave_map Vlast_error_stack; |
6361 | 91 |
143 | 92 // Current error state. |
3935 | 93 // |
94 // Valid values: | |
95 // | |
96 // 0: no error | |
97 // 1: an error has occurred | |
98 // | |
672 | 99 int error_state = 0; |
100 | |
1489 | 101 // Tell the error handler whether to print messages, or just store |
102 // them for later. Used for handling errors in eval() and | |
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103 // the 'unwind_protect' statement. |
4699 | 104 int buffer_error_messages = 0; |
1489 | 105 |
3815 | 106 // TRUE means error messages are turned off. |
107 bool discard_error_messages = false; | |
108 | |
4452 | 109 // TRUE means warning messages are turned off. |
110 bool discard_warning_messages = false; | |
111 | |
4318 | 112 void |
113 reset_error_handler (void) | |
114 { | |
4699 | 115 buffer_error_messages = 0; |
4318 | 116 discard_error_messages = false; |
117 } | |
118 | |
5567 | 119 static void |
5794 | 120 initialize_warning_options (const std::string& state) |
5567 | 121 { |
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122 octave_scalar_map initw; |
5567 | 123 |
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124 initw.setfield ("identifier", "all"); |
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125 initw.setfield ("state", state); |
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126 |
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127 warning_options = initw; |
5567 | 128 } |
129 | |
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130 static octave_map |
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131 initialize_last_error_stack (void) |
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132 { |
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133 return octave_call_stack::empty_backtrace (); |
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134 } |
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135 |
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136 static void |
4732 | 137 verror (bool save_last_error, std::ostream& os, |
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138 const char *name, const char *id, const char *fmt, va_list args, |
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139 bool with_cfn = false) |
1 | 140 { |
3815 | 141 if (discard_error_messages) |
142 return; | |
143 | |
3585 | 144 if (! buffer_error_messages) |
145 flush_octave_stdout (); | |
914 | 146 |
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147 // FIXME: we really want to capture the message before it has all the |
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148 // formatting goop attached to it. We probably also want just the |
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149 // message, not the traceback information. |
3935 | 150 |
7877 | 151 std::ostringstream output_buf; |
152 | |
153 octave_vformat (output_buf, fmt, args); | |
154 | |
155 std::string base_msg = output_buf.str (); | |
156 | |
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157 bool to_beep_or_not_to_beep_p = Vbeep_on_error; |
7877 | 158 |
159 std::string msg_string; | |
160 | |
161 if (to_beep_or_not_to_beep_p) | |
162 msg_string = "\a"; | |
163 | |
164 if (name) | |
165 msg_string += std::string (name) + ": "; | |
166 | |
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167 // If with_fcn is specified, we'll attempt to prefix the message with the name |
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168 // of the current executing function. But we'll do so only if: |
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169 // 1. the name is not empty (anonymous function) |
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170 // 2. it is not already there (including the following colon) |
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171 if (with_cfn) |
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172 { |
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173 octave_function *curfcn = octave_call_stack::current (); |
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174 if (curfcn) |
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175 { |
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176 std::string cfn = curfcn->name (); |
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177 if (! cfn.empty ()) |
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178 { |
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179 cfn += ':'; |
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180 if (cfn.length () > base_msg.length () |
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181 || base_msg.compare (0, cfn.length (), cfn) != 0) |
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182 { |
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183 msg_string += cfn + ' '; |
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184 } |
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185 } |
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186 } |
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187 } |
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188 |
7880 | 189 msg_string += base_msg + "\n"; |
3935 | 190 |
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191 if (save_last_error) |
3935 | 192 { |
193 // This is the first error in a possible series. | |
5567 | 194 |
195 Vlast_error_id = id; | |
7877 | 196 Vlast_error_message = base_msg; |
6361 | 197 |
7877 | 198 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
6361 | 199 |
7877 | 200 if (fcn) |
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201 { |
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202 octave_idx_type curr_frame = -1; |
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203 |
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204 Vlast_error_stack = octave_call_stack::backtrace (0, curr_frame); |
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205 } |
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206 else |
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207 Vlast_error_stack = initialize_last_error_stack (); |
3935 | 208 } |
209 | |
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210 if (! buffer_error_messages) |
1489 | 211 { |
3935 | 212 octave_diary << msg_string; |
4732 | 213 os << msg_string; |
1489 | 214 } |
1 | 215 } |
216 | |
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217 static void |
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218 pr_where_2 (std::ostream& os, const char *fmt, va_list args) |
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219 { |
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220 if (fmt) |
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221 { |
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222 if (*fmt) |
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223 { |
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224 size_t len = strlen (fmt); |
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225 |
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226 if (len > 0) |
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227 { |
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228 if (fmt[len - 1] == '\n') |
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229 { |
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230 if (len > 1) |
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231 { |
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232 char *tmp_fmt = strsave (fmt); |
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233 tmp_fmt[len - 1] = '\0'; |
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234 verror (false, os, 0, "", tmp_fmt, args); |
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235 delete [] tmp_fmt; |
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236 } |
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237 } |
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238 else |
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239 verror (false, os, 0, "", fmt, args); |
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240 } |
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241 } |
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242 } |
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243 else |
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244 panic ("pr_where_2: invalid format"); |
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245 } |
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246 |
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247 static void |
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248 pr_where_1 (std::ostream& os, const char *fmt, ...) |
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249 { |
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250 va_list args; |
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251 va_start (args, fmt); |
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252 pr_where_2 (os, fmt, args); |
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253 va_end (args); |
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254 } |
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255 |
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256 static void |
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257 pr_where (std::ostream& os, const char *who) |
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258 { |
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259 std::list<octave_call_stack::stack_frame> frames |
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260 = octave_call_stack::backtrace_frames (); |
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261 |
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262 size_t nframes = frames.size (); |
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263 |
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264 if (nframes > 0) |
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265 pr_where_1 (os, "%s: called from\n", who); |
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266 |
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267 // Print the error message only if it is different from the previous one; |
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268 // Makes the output more concise and readable. |
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269 frames.unique (); |
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270 |
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271 for (std::list<octave_call_stack::stack_frame>::const_iterator p = frames.begin (); |
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272 p != frames.end (); p++) |
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273 { |
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274 const octave_call_stack::stack_frame& elt = *p; |
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275 |
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276 std::string fcn_name = elt.fcn_name (); |
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277 int line = elt.line (); |
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278 int column = elt.column (); |
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279 |
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280 pr_where_1 (os, " %s at line %d column %d\n", |
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281 fcn_name.c_str (), line, column); |
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282 } |
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283 } |
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284 |
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285 static octave_execution_exception |
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286 make_execution_exception (const char *who) |
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287 { |
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288 std::ostringstream buf; |
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289 |
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290 pr_where (buf, who); |
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291 |
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292 octave_execution_exception retval; |
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293 |
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294 retval.set_stack_trace (buf.str ()); |
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295 |
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296 return retval; |
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297 } |
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298 |
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299 static void |
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300 maybe_enter_debugger (octave_execution_exception& e, |
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301 bool show_stack_trace = false) |
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302 { |
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303 if ((interactive || forced_interactive) |
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304 && Vdebug_on_error && octave_call_stack::caller_user_code ()) |
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305 { |
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306 unwind_protect frame; |
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307 frame.protect_var (Vdebug_on_error); |
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308 Vdebug_on_error = false; |
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309 |
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310 tree_evaluator::debug_mode = true; |
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311 |
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312 tree_evaluator::current_frame = octave_call_stack::current_frame (); |
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313 |
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314 if (show_stack_trace) |
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315 { |
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316 std::string stack_trace = e.info (); |
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317 |
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318 if (! stack_trace.empty ()) |
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319 { |
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320 std::cerr << stack_trace; |
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321 |
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322 e.set_stack_trace (); |
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323 } |
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324 } |
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325 |
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326 do_keyboard (octave_value_list ()); |
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327 } |
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328 } |
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329 |
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330 // Warning messages are never buffered. |
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331 |
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332 static void |
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333 vwarning (const char *name, const char *id, const char *fmt, va_list args) |
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334 { |
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335 if (discard_warning_messages) |
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336 return; |
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337 |
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338 flush_octave_stdout (); |
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339 |
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340 std::ostringstream output_buf; |
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341 |
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342 octave_vformat (output_buf, fmt, args); |
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343 |
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344 // FIXME: we really want to capture the message before it has all the |
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345 // formatting goop attached to it. We probably also want just the |
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346 // message, not the traceback information. |
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347 |
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348 std::string base_msg = output_buf.str (); |
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349 std::string msg_string; |
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350 |
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351 if (name) |
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352 msg_string = std::string (name) + ": "; |
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353 |
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354 msg_string += base_msg + "\n"; |
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355 |
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356 Vlast_warning_id = id; |
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357 Vlast_warning_message = base_msg; |
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358 |
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359 if (! Vquiet_warning) |
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360 { |
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361 octave_diary << msg_string; |
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362 |
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363 std::cerr << msg_string; |
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364 } |
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365 } |
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366 |
1 | 367 void |
6338 | 368 vmessage (const char *name, const char *fmt, va_list args) |
369 { | |
370 verror (false, std::cerr, name, "", fmt, args); | |
371 } | |
372 | |
373 void | |
1 | 374 message (const char *name, const char *fmt, ...) |
375 { | |
376 va_list args; | |
377 va_start (args, fmt); | |
6338 | 378 vmessage (name, fmt, args); |
1 | 379 va_end (args); |
380 } | |
381 | |
382 void | |
6338 | 383 vmessage_with_id (const char *name, const char *id, const char *fmt, |
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384 va_list args) |
6338 | 385 { |
386 verror (false, std::cerr, name, id, fmt, args); | |
387 } | |
388 | |
389 void | |
5567 | 390 message_with_id (const char *name, const char *id, const char *fmt, ...) |
391 { | |
392 va_list args; | |
393 va_start (args, fmt); | |
6338 | 394 vmessage_with_id (name, id, fmt, args); |
5567 | 395 va_end (args); |
396 } | |
397 | |
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398 static void |
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399 usage_1 (octave_execution_exception& e, const char *id, |
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400 const char *fmt, va_list args) |
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401 { |
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402 verror (true, std::cerr, "usage", id, fmt, args); |
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403 |
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404 maybe_enter_debugger (e); |
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405 |
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406 throw e; |
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407 } |
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408 |
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409 static void |
5567 | 410 usage_1 (const char *id, const char *fmt, va_list args) |
411 { | |
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412 octave_execution_exception e = make_execution_exception ("usage"); |
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413 |
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414 usage_1 (e, id, fmt, args); |
5567 | 415 } |
416 | |
417 void | |
6338 | 418 vusage (const char *fmt, va_list args) |
419 { | |
420 usage_1 ("", fmt, args); | |
421 } | |
422 | |
423 void | |
1 | 424 usage (const char *fmt, ...) |
425 { | |
426 va_list args; | |
427 va_start (args, fmt); | |
6338 | 428 vusage (fmt, args); |
5567 | 429 va_end (args); |
430 } | |
431 | |
432 void | |
6338 | 433 vusage_with_id (const char *id, const char *fmt, va_list args) |
434 { | |
435 usage_1 (id, fmt, args); | |
436 } | |
437 | |
438 void | |
5567 | 439 usage_with_id (const char *id, const char *fmt, ...) |
440 { | |
441 va_list args; | |
442 va_start (args, fmt); | |
6338 | 443 vusage_with_id (id, fmt, args); |
1 | 444 va_end (args); |
445 } | |
446 | |
3707 | 447 static void |
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448 error_1 (octave_execution_exception& e, std::ostream& os, |
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449 const char *name, const char *id, const char *fmt, |
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450 va_list args, bool with_cfn = false) |
6000 | 451 { |
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452 bool show_stack_trace = false; |
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453 |
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454 if (fmt) |
6000 | 455 { |
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456 if (*fmt) |
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457 { |
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458 size_t len = strlen (fmt); |
6000 | 459 |
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460 if (len > 0) |
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461 { |
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462 if (fmt[len - 1] == '\n') |
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463 { |
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464 if (len > 1) |
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465 { |
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466 char *tmp_fmt = strsave (fmt); |
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467 tmp_fmt[len - 1] = '\0'; |
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468 verror (true, os, name, id, tmp_fmt, args, with_cfn); |
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469 delete [] tmp_fmt; |
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470 } |
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471 } |
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472 else |
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473 { |
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474 verror (true, os, name, id, fmt, args, with_cfn); |
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475 |
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476 bool in_user_code = octave_call_stack::caller_user_code () != 0; |
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477 |
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478 if (in_user_code && ! discard_error_messages) |
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479 show_stack_trace = true; |
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480 } |
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481 } |
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482 } |
6000 | 483 } |
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484 else |
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485 panic ("error_1: invalid format"); |
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486 |
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487 maybe_enter_debugger (e, show_stack_trace); |
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488 |
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489 throw e; |
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490 } |
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491 |
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492 static void |
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493 error_1 (std::ostream& os, const char *name, const char *id, |
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494 const char *fmt, va_list args, bool with_cfn = false) |
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495 { |
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496 octave_execution_exception e = make_execution_exception ("error"); |
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497 |
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498 error_1 (e, os, name, id, fmt, args, with_cfn); |
6000 | 499 } |
500 | |
501 void | |
6338 | 502 verror (const char *fmt, va_list args) |
503 { | |
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504 error_1 (std::cerr, "error", "", fmt, args); |
6338 | 505 } |
506 | |
507 void | |
6000 | 508 error (const char *fmt, ...) |
509 { | |
510 va_list args; | |
511 va_start (args, fmt); | |
6338 | 512 verror (fmt, args); |
6000 | 513 va_end (args); |
514 } | |
515 | |
516 void | |
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517 verror (octave_execution_exception& e, const char *fmt, va_list args) |
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518 { |
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519 error_1 (e, std::cerr, "error", "", fmt, args); |
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520 } |
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521 |
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522 void |
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523 error (octave_execution_exception& e, const char *fmt, ...) |
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524 { |
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525 va_list args; |
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526 va_start (args, fmt); |
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527 verror (e, fmt, args); |
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528 va_end (args); |
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529 } |
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530 |
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531 void |
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532 verror_with_cfn (const char *fmt, va_list args) |
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533 { |
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534 error_1 (std::cerr, "error", "", fmt, args, true); |
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535 } |
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536 |
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537 void |
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538 error_with_cfn (const char *fmt, ...) |
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539 { |
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540 va_list args; |
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541 va_start (args, fmt); |
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542 verror_with_cfn (fmt, args); |
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543 va_end (args); |
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544 } |
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545 |
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546 void |
6338 | 547 verror_with_id (const char *id, const char *fmt, va_list args) |
548 { | |
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549 error_1 (std::cerr, "error", id, fmt, args); |
6338 | 550 } |
551 | |
552 void | |
6000 | 553 error_with_id (const char *id, const char *fmt, ...) |
554 { | |
555 va_list args; | |
556 va_start (args, fmt); | |
6338 | 557 verror_with_id (id, fmt, args); |
6000 | 558 va_end (args); |
559 } | |
560 | |
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561 void |
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562 verror_with_id_cfn (const char *id, const char *fmt, va_list args) |
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563 { |
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564 error_1 (std::cerr, "error", id, fmt, args, true); |
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565 } |
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566 |
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567 void |
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568 error_with_id_cfn (const char *id, const char *fmt, ...) |
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569 { |
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570 va_list args; |
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571 va_start (args, fmt); |
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572 verror_with_id_cfn (id, fmt, args); |
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573 va_end (args); |
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574 } |
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575 |
5567 | 576 static int |
577 check_state (const std::string& state) | |
578 { | |
579 // -1: not found | |
580 // 0: found, "off" | |
581 // 1: found, "on" | |
582 // 2: found, "error" | |
583 | |
584 if (state == "off") | |
585 return 0; | |
586 else if (state == "on") | |
587 return 1; | |
588 else if (state == "error") | |
589 return 2; | |
590 else | |
591 return -1; | |
592 } | |
593 | |
594 // For given warning ID, return 0 if warnings are disabled, 1 if | |
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595 // enabled, and 2 if the given ID should be an error instead of a |
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596 // warning. |
5567 | 597 |
5781 | 598 int |
5567 | 599 warning_enabled (const std::string& id) |
1 | 600 { |
5567 | 601 int retval = 0; |
602 | |
603 int all_state = -1; | |
604 int id_state = -1; | |
605 | |
606 octave_idx_type nel = warning_options.numel (); | |
607 | |
608 if (nel > 0) | |
609 { | |
610 Cell identifier = warning_options.contents ("identifier"); | |
611 Cell state = warning_options.contents ("state"); | |
612 | |
613 bool all_found = false; | |
614 bool id_found = false; | |
615 | |
616 for (octave_idx_type i = 0; i < nel; i++) | |
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617 { |
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618 octave_value ov = identifier(i); |
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619 std::string ovs = ov.string_value (); |
5567 | 620 |
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621 if (! all_found && ovs == "all") |
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622 { |
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623 all_state = check_state (state(i).string_value ()); |
5567 | 624 |
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625 if (all_state >= 0) |
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626 all_found = true; |
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627 } |
5567 | 628 |
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629 if (! id_found && ovs == id) |
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630 { |
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631 id_state = check_state (state(i).string_value ()); |
5567 | 632 |
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633 if (id_state >= 0) |
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634 id_found = true; |
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635 } |
5567 | 636 |
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637 if (all_found && id_found) |
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638 break; |
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639 } |
5567 | 640 } |
641 | |
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642 // If "all" is not present, assume warnings are enabled. |
5567 | 643 if (all_state == -1) |
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644 all_state = 1; |
5567 | 645 |
646 if (all_state == 0) | |
647 { | |
648 if (id_state >= 0) | |
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649 retval = id_state; |
5567 | 650 } |
651 else if (all_state == 1) | |
652 { | |
653 if (id_state == 0 || id_state == 2) | |
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654 retval = id_state; |
5567 | 655 else |
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656 retval = all_state; |
5567 | 657 } |
658 else if (all_state == 2) | |
7206 | 659 { |
660 if (id_state == 0) | |
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661 retval= id_state; |
7206 | 662 else |
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663 retval = all_state; |
7206 | 664 } |
5567 | 665 |
666 return retval; | |
667 } | |
668 | |
669 static void | |
670 warning_1 (const char *id, const char *fmt, va_list args) | |
671 { | |
672 int warn_opt = warning_enabled (id); | |
673 | |
674 if (warn_opt == 2) | |
675 { | |
676 // Handle this warning as an error. | |
677 | |
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678 error_1 (std::cerr, "error", id, fmt, args); |
5567 | 679 } |
680 else if (warn_opt == 1) | |
3934 | 681 { |
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682 bool fmt_suppresses_backtrace = false; |
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683 size_t fmt_len = fmt ? strlen (fmt) : 0; |
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684 fmt_suppresses_backtrace = (fmt_len > 0 && fmt[fmt_len-1] == '\n'); |
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685 |
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686 if (fmt_suppresses_backtrace && fmt_len > 1) |
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687 { |
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688 // Strip newline before issuing warning |
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689 std::string tmp_fmt (fmt, fmt_len - 1); |
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690 vwarning ("warning", id, tmp_fmt.c_str (), args); |
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691 } |
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692 else |
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693 vwarning ("warning", id, fmt, args); |
8973 | 694 |
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695 bool in_user_code = octave_call_stack::caller_user_code () != 0; |
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696 |
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697 if (! fmt_suppresses_backtrace && in_user_code |
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698 && Vbacktrace_on_warning |
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699 && ! discard_warning_messages) |
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700 pr_where (std::cerr, "warning"); |
3707 | 701 |
3934 | 702 if ((interactive || forced_interactive) |
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703 && Vdebug_on_warning && in_user_code) |
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704 { |
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705 unwind_protect frame; |
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706 frame.protect_var (Vdebug_on_warning); |
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707 Vdebug_on_warning = false; |
3707 | 708 |
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709 tree_evaluator::debug_mode = true; |
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710 |
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711 tree_evaluator::current_frame = octave_call_stack::current_frame (); |
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712 |
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713 do_keyboard (octave_value_list ()); |
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714 } |
3707 | 715 } |
1 | 716 } |
717 | |
718 void | |
6338 | 719 vwarning (const char *fmt, va_list args) |
720 { | |
721 warning_1 ("", fmt, args); | |
722 } | |
723 | |
724 void | |
5567 | 725 warning (const char *fmt, ...) |
726 { | |
727 va_list args; | |
728 va_start (args, fmt); | |
6338 | 729 vwarning (fmt, args); |
5567 | 730 va_end (args); |
731 } | |
732 | |
733 void | |
6338 | 734 vwarning_with_id (const char *id, const char *fmt, va_list args) |
735 { | |
736 warning_1 (id, fmt, args); | |
737 } | |
738 | |
739 void | |
5567 | 740 warning_with_id (const char *id, const char *fmt, ...) |
741 { | |
742 va_list args; | |
743 va_start (args, fmt); | |
6338 | 744 vwarning_with_id (id, fmt, args); |
5567 | 745 va_end (args); |
746 } | |
747 | |
748 void | |
6338 | 749 vparse_error (const char *fmt, va_list args) |
750 { | |
751 error_1 (std::cerr, 0, "", fmt, args); | |
752 } | |
753 | |
754 void | |
1005 | 755 parse_error (const char *fmt, ...) |
756 { | |
757 va_list args; | |
758 va_start (args, fmt); | |
6338 | 759 vparse_error (fmt, args); |
5567 | 760 va_end (args); |
761 } | |
762 | |
763 void | |
6338 | 764 vparse_error_with_id (const char *id, const char *fmt, va_list args) |
765 { | |
766 error_1 (std::cerr, 0, id, fmt, args); | |
767 } | |
768 | |
769 void | |
5567 | 770 parse_error_with_id (const char *id, const char *fmt, ...) |
771 { | |
772 va_list args; | |
773 va_start (args, fmt); | |
6338 | 774 vparse_error_with_id (id, fmt, args); |
1 | 775 va_end (args); |
776 } | |
777 | |
189 | 778 void |
6361 | 779 rethrow_error (const char *id, const char *fmt, ...) |
780 { | |
781 va_list args; | |
782 va_start (args, fmt); | |
6640 | 783 error_1 (std::cerr, 0, id, fmt, args); |
6361 | 784 va_end (args); |
785 } | |
786 | |
787 void | |
1 | 788 panic (const char *fmt, ...) |
789 { | |
790 va_list args; | |
791 va_start (args, fmt); | |
4699 | 792 buffer_error_messages = 0; |
3815 | 793 discard_error_messages = false; |
5567 | 794 verror (false, std::cerr, "panic", "", fmt, args); |
1 | 795 va_end (args); |
796 abort (); | |
797 } | |
798 | |
4732 | 799 static void |
800 defun_usage_message_1 (const char *fmt, ...) | |
801 { | |
802 va_list args; | |
803 va_start (args, fmt); | |
5567 | 804 error_1 (octave_stdout, 0, "", fmt, args); |
4732 | 805 va_end (args); |
806 } | |
807 | |
808 void | |
809 defun_usage_message (const std::string& msg) | |
810 { | |
811 defun_usage_message_1 ("%s", msg.c_str ()); | |
812 } | |
813 | |
5567 | 814 typedef void (*error_fun)(const char *, const char *, ...); |
1489 | 815 |
2086 | 816 extern octave_value_list Fsprintf (const octave_value_list&, int); |
1489 | 817 |
3934 | 818 static std::string |
5567 | 819 handle_message (error_fun f, const char *id, const char *msg, |
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820 const octave_value_list& args, bool have_fmt) |
528 | 821 { |
3934 | 822 std::string retval; |
528 | 823 |
3523 | 824 std::string tstr; |
1728 | 825 |
528 | 826 int nargin = args.length (); |
827 | |
2745 | 828 if (nargin > 0) |
528 | 829 { |
3066 | 830 octave_value arg; |
831 | |
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832 if (have_fmt) |
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833 { |
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834 octave_value_list tmp = Fsprintf (args, 1); |
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835 arg = tmp(0); |
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836 } |
3066 | 837 else |
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838 arg = args(0); |
2745 | 839 |
840 if (arg.is_defined ()) | |
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841 { |
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842 if (arg.is_string ()) |
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843 { |
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844 tstr = arg.string_value (); |
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845 msg = tstr.c_str (); |
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846 |
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847 if (! msg) |
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848 return retval; |
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849 } |
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850 else if (arg.is_empty ()) |
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851 return retval; |
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852 } |
528 | 853 } |
854 | |
1489 | 855 // Ugh. |
856 | |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
857 size_t len = strlen (msg); |
ef45d191d833
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John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
858 |
ef45d191d833
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John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
859 if (len > 0) |
1489 | 860 { |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
861 if (msg[len - 1] == '\n') |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
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|
862 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
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|
863 if (len > 1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
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|
864 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
865 char *tmp_msg = strsave (msg); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
866 tmp_msg[len - 1] = '\0'; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
867 f (id, "%s\n", tmp_msg); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
868 retval = tmp_msg; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
869 delete [] tmp_msg; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
870 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
871 } |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
parents:
9588
diff
changeset
|
872 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
873 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
874 f (id, "%s", msg); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
875 retval = msg; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
876 } |
3934 | 877 } |
528 | 878 |
879 return retval; | |
880 } | |
881 | |
6361 | 882 DEFUN (rethrow, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
883 "-*- texinfo -*-\n\ |
6361 | 884 @deftypefn {Built-in Function} {} rethrow (@var{err})\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
885 Reissue a previous error as defined by @var{err}.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
886 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
887 @var{err} is a structure that must contain at least the @qcode{\"message\"}\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
888 and @qcode{\"identifier\"} fields. @var{err} can also contain a field\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
889 @qcode{\"stack\"} that gives information on the assumed location of the\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
890 error. Typically @var{err} is returned from @code{lasterror}.\n\ |
6361 | 891 @seealso{lasterror, lasterr, error}\n\ |
892 @end deftypefn") | |
893 { | |
894 octave_value retval; | |
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
|
895 int nargin = args.length (); |
6361 | 896 |
897 if (nargin != 1) | |
6959 | 898 print_usage (); |
6361 | 899 else |
900 { | |
10767
2b041d3995a3
modernize some map usage on toplev.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
10605
diff
changeset
|
901 const octave_scalar_map err = args(0).scalar_map_value (); |
6361 | 902 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
903 if (err.contains ("message") && err.contains ("identifier")) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
904 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
905 std::string msg = err.contents ("message").string_value (); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
906 std::string id = err.contents ("identifier").string_value (); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
907 int len = msg.length (); |
6483 | 908 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
909 std::string file; |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
910 std::string nm; |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
911 int l = -1; |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
912 int c = -1; |
6483 | 913 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
914 octave_map err_stack = initialize_last_error_stack (); |
6640 | 915 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
916 if (err.contains ("stack")) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
917 { |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
918 err_stack = err.contents ("stack").map_value (); |
6361 | 919 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
920 if (err_stack.numel () > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
921 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
922 if (err_stack.contains ("file")) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
923 file = err_stack.contents ("file")(0).string_value (); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
924 |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
925 if (err_stack.contains ("name")) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
926 nm = err_stack.contents ("name")(0).string_value (); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
927 |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
928 if (err_stack.contains ("line")) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
929 l = err_stack.contents ("line")(0).nint_value (); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
930 |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
931 if (err_stack.contains ("column")) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
932 c = err_stack.contents ("column")(0).nint_value (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
933 } |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
934 } |
6361 | 935 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
936 // Ugh. |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
937 char *tmp_msg = strsave (msg.c_str ()); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
938 if (tmp_msg[len-1] == '\n') |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
939 { |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
940 if (len > 1) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
941 { |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
942 tmp_msg[len - 1] = '\0'; |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
943 rethrow_error (id.c_str (), "%s\n", tmp_msg); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
944 } |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
945 } |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
946 else |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
947 rethrow_error (id.c_str (), "%s", tmp_msg); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
948 delete [] tmp_msg; |
6361 | 949 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
950 // FIXME: is this the right thing to do for Vlast_error_stack? |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
951 // Should it be saved and restored with unwind_protect? |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
952 |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
953 Vlast_error_stack = err_stack; |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
954 |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
955 if (err.contains ("stack")) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
956 { |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
957 if (file.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
958 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
959 if (nm.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
960 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
961 if (l > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
962 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
963 if (c > 0) |
20666
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
964 pr_where_1 (std::cerr, |
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
965 "error: near line %d, column %d", |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
966 l, c); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
967 else |
20666
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
968 pr_where_1 (std::cerr, "error: near line %d", l); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
969 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
970 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
971 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
972 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
973 if (l > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
974 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
975 if (c > 0) |
20666
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
976 pr_where_1 (std::cerr, |
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
977 "error: called from '%s' near line %d, column %d", |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
978 nm.c_str (), l, c); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
979 else |
20666
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
980 pr_where_1 (std::cerr, |
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
981 "error: called from '%d' near line %d", |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
982 nm.c_str (), l); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
983 } |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
984 } |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
985 } |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
986 else |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
987 { |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
988 if (nm.empty ()) |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
989 { |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
990 if (l > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
991 { |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
992 if (c > 0) |
20666
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
993 pr_where_1 (std::cerr, |
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
994 "error: in file %s near line %d, column %d", |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
995 file.c_str (), l, c); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
996 else |
20666
e0e2c2ce7e94
defer stack trace until back at top level
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
997 pr_where_1 (std::cerr, |
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998 "error: in file %s near line %d", |
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999 file.c_str (), l); |
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1000 } |
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1001 } |
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1002 else |
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1003 { |
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1004 if (l > 0) |
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1005 { |
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1006 if (c > 0) |
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1007 pr_where_1 (std::cerr, |
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1008 "error: called from '%s' in file %s near line %d, column %d", |
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1009 nm.c_str (), file.c_str (), l, c); |
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1010 else |
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1011 pr_where_1 (std::cerr, |
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1012 "error: called from '%d' in file %s near line %d", |
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1013 nm.c_str (), file.c_str (), l); |
10315
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diff
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1014 } |
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1015 } |
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1016 } |
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1017 } |
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1018 } |
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1019 else |
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1020 error ("rethrow: ERR structure must contain the fields 'message and 'identifier'"); |
6361 | 1021 } |
1022 return retval; | |
1023 } | |
1024 | |
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1025 // Determine whether the first argument to error or warning function |
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1026 // should be handled as the message identifier or as the format string. |
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1027 |
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1028 static bool |
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1029 maybe_extract_message_id (const std::string& caller, |
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1030 const octave_value_list& args, |
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1031 octave_value_list& nargs, |
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1032 std::string& id) |
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1033 { |
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1034 nargs = args; |
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1035 id = std::string (); |
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1036 |
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1037 int nargin = args.length (); |
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1038 |
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1039 bool have_fmt = nargin > 1; |
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1040 |
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1041 if (nargin > 0) |
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1042 { |
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|
1043 std::string arg1 = args(0).string_value (); |
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1044 |
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1045 // For compatibility with Matlab, an identifier must contain |
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1046 // ':', but not at the beginning or the end, and it must not |
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|
1047 // contain '%' (even if it is not a valid conversion |
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|
1048 // operator) or whitespace. |
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|
1049 |
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1050 if (arg1.find_first_of ("% \f\n\r\t\v") == std::string::npos |
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1051 && arg1.find (':') != std::string::npos |
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|
1052 && arg1[0] != ':' |
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|
1053 && arg1[arg1.length ()-1] != ':') |
14558
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|
1054 { |
20535
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|
1055 if (nargin > 1) |
14558
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|
1056 { |
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1057 id = arg1; |
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|
1058 |
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1059 nargs.resize (nargin-1); |
14558
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|
1060 |
20535
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1061 for (int i = 1; i < nargin; i++) |
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1062 nargs(i-1) = args(i); |
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1063 } |
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|
1064 else |
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1065 nargs(0) = "call to " + caller |
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1066 + " with message identifier requires message"; |
14558
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|
1067 } |
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|
1068 } |
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|
1069 |
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|
1070 return have_fmt; |
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|
1071 } |
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|
1072 |
1957 | 1073 DEFUN (error, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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17744
diff
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|
1074 "-*- texinfo -*-\n\ |
10840 | 1075 @deftypefn {Built-in Function} {} error (@var{template}, @dots{})\n\ |
7252 | 1076 @deftypefnx {Built-in Function} {} error (@var{id}, @var{template}, @dots{})\n\ |
20172
4f45eaf83908
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Rik <rik@octave.org>
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diff
changeset
|
1077 Display an error message and stop m-file execution.\n\ |
4f45eaf83908
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Rik <rik@octave.org>
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diff
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|
1078 \n\ |
5781 | 1079 Format the optional arguments under the control of the template string\n\ |
1080 @var{template} using the same rules as the @code{printf} family of\n\ | |
1081 functions (@pxref{Formatted Output}) and print the resulting message\n\ | |
1082 on the @code{stderr} stream. The message is prefixed by the character\n\ | |
1083 string @samp{error: }.\n\ | |
3373 | 1084 \n\ |
1085 Calling @code{error} also sets Octave's internal error state such that\n\ | |
20172
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Rik <rik@octave.org>
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diff
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|
1086 control will return to the top level without evaluating any further\n\ |
3373 | 1087 commands. This is useful for aborting from functions or scripts.\n\ |
897 | 1088 \n\ |
19334
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Rik <rik@octave.org>
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diff
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|
1089 If the error message does not end with a newline character, Octave will\n\ |
3373 | 1090 print a traceback of all the function calls leading to the error. For\n\ |
1091 example, given the following function definitions:\n\ | |
1092 \n\ | |
1093 @example\n\ | |
1094 @group\n\ | |
6671 | 1095 function f () g (); end\n\ |
1096 function g () h (); end\n\ | |
3373 | 1097 function h () nargin == 1 || error (\"nargin != 1\"); end\n\ |
1098 @end group\n\ | |
1099 @end example\n\ | |
1489 | 1100 \n\ |
3373 | 1101 @noindent\n\ |
1102 calling the function @code{f} will result in a list of messages that\n\ | |
1103 can help you to quickly locate the exact location of the error:\n\ | |
1489 | 1104 \n\ |
9153
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|
1105 @example\n\ |
3373 | 1106 @group\n\ |
1107 f ()\n\ | |
1108 error: nargin != 1\n\ | |
8015
30629059b72d
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|
1109 error: called from:\n\ |
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|
1110 error: error at line -1, column -1\n\ |
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|
1111 error: h at line 1, column 27\n\ |
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|
1112 error: g at line 1, column 15\n\ |
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1113 error: f at line 1, column 15\n\ |
3373 | 1114 @end group\n\ |
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1115 @end example\n\ |
3373 | 1116 \n\ |
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|
1117 If the error message ends in a newline character, Octave will print the\n\ |
3373 | 1118 message but will not display any traceback messages as it returns\n\ |
1119 control to the top level. For example, modifying the error message\n\ | |
19334
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1120 in the previous example to end in a newline causes Octave to only print\n\ |
3373 | 1121 a single message:\n\ |
1122 \n\ | |
1123 @example\n\ | |
1124 @group\n\ | |
1125 function h () nargin == 1 || error (\"nargin != 1\\n\"); end\n\ | |
1126 f ()\n\ | |
1127 error: nargin != 1\n\ | |
1128 @end group\n\ | |
1129 @end example\n\ | |
15173
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|
1130 \n\ |
16770
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1131 A null string (\"\") input to @code{error} will be ignored and the code\n\ |
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1132 will continue running as if the statement were a NOP@. This is for\n\ |
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1133 compatibility with @sc{matlab}. It also makes it possible to write code such\n\ |
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1134 as\n\ |
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1135 \n\ |
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1136 @example\n\ |
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1137 @group\n\ |
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1138 err_msg = \"\";\n\ |
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|
1139 if (CONDITION 1)\n\ |
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1140 err_msg = \"CONDITION 1 found\";\n\ |
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1141 elseif (CONDITION2)\n\ |
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|
1142 err_msg = \"CONDITION 2 found\";\n\ |
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|
1143 @dots{}\n\ |
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|
1144 endif\n\ |
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|
1145 error (err_msg);\n\ |
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|
1146 @end group\n\ |
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|
1147 @end example\n\ |
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1148 \n\ |
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|
1149 @noindent\n\ |
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|
1150 which will only stop execution if an error has been found.\n\ |
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doc: clarify docstring regarding null input to error() (bug #39271).
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16492
diff
changeset
|
1151 \n\ |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
parents:
15088
diff
changeset
|
1152 Implementation Note: For compatibility with @sc{matlab}, escape\n\ |
20101
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1153 sequences in @var{template} (e.g., @qcode{\"@xbackslashchar{}n\"} =>\n\ |
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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diff
changeset
|
1154 newline) are processed regardless of whether @var{template} has been defined\n\ |
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1155 with single quotes, as long as there are two or more input arguments. To\n\ |
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
20041
diff
changeset
|
1156 disable escape sequence expansion use a second backslash before the sequence\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1157 (e.g., @qcode{\"@xbackslashchar{}@xbackslashchar{}n\"}) or use the\n\ |
20101
e51473fdb622
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
20041
diff
changeset
|
1158 @code{regexptranslate} function.\n\ |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
parents:
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|
1159 @seealso{warning, lasterror}\n\ |
3373 | 1160 @end deftypefn") |
897 | 1161 { |
7252 | 1162 octave_value retval; |
1163 | |
1164 int nargin = args.length (); | |
1165 | |
1166 octave_value_list nargs = args; | |
1167 | |
1168 std::string id; | |
1169 | |
9675
ef45d191d833
error: improve compatibility for calls with no arguments or empty format
John W. Eaton <jwe@octave.org>
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diff
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|
1170 if (nargin == 0) |
ef45d191d833
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John W. Eaton <jwe@octave.org>
parents:
9588
diff
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|
1171 print_usage (); |
ef45d191d833
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John W. Eaton <jwe@octave.org>
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|
1172 else |
7252 | 1173 { |
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0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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|
1174 bool have_fmt = false; |
5567 | 1175 |
14558
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better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1176 if (nargin == 1 && args(0).is_map ()) |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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|
1177 { |
13709
a0875c6cab7e
error.cc: Don't complain if error struct input is empty (Matlab compatability)
Rik <octave@nomad.inbox5.com>
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diff
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|
1178 // empty struct is not an error. return and resume calling function. |
a0875c6cab7e
error.cc: Don't complain if error struct input is empty (Matlab compatability)
Rik <octave@nomad.inbox5.com>
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diff
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|
1179 if (args(0).is_empty ()) |
a0875c6cab7e
error.cc: Don't complain if error struct input is empty (Matlab compatability)
Rik <octave@nomad.inbox5.com>
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diff
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|
1180 return retval; |
a0875c6cab7e
error.cc: Don't complain if error struct input is empty (Matlab compatability)
Rik <octave@nomad.inbox5.com>
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diff
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|
1181 |
10315
57a59eae83cc
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|
1182 octave_value_list tmp; |
9675
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John W. Eaton <jwe@octave.org>
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9588
diff
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|
1183 |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1184 octave_scalar_map m = args(0).scalar_map_value (); |
9675
ef45d191d833
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John W. Eaton <jwe@octave.org>
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diff
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|
1185 |
12705
4972eb61c6d6
Fix bug with error() not accepting an empty struct input (Bug #33428).
Rik <octave@nomad.inbox5.com>
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12704
diff
changeset
|
1186 // empty struct is not an error. return and resume calling function. |
4972eb61c6d6
Fix bug with error() not accepting an empty struct input (Bug #33428).
Rik <octave@nomad.inbox5.com>
parents:
12704
diff
changeset
|
1187 if (m.nfields () == 0) |
4972eb61c6d6
Fix bug with error() not accepting an empty struct input (Bug #33428).
Rik <octave@nomad.inbox5.com>
parents:
12704
diff
changeset
|
1188 return retval; |
4972eb61c6d6
Fix bug with error() not accepting an empty struct input (Bug #33428).
Rik <octave@nomad.inbox5.com>
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12704
diff
changeset
|
1189 |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1190 if (m.contains ("message")) |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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10160
diff
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|
1191 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
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11029
diff
changeset
|
1192 octave_value c = m.getfield ("message"); |
7252 | 1193 |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1194 if (c.is_string ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1195 nargs(0) = c.string_value (); |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
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|
1196 } |
9675
ef45d191d833
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John W. Eaton <jwe@octave.org>
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|
1197 |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1198 if (m.contains ("identifier")) |
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1199 { |
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1200 octave_value c = m.getfield ("identifier"); |
7252 | 1201 |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
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|
1202 if (c.is_string ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1203 id = c.string_value (); |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
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|
1204 } |
9675
ef45d191d833
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John W. Eaton <jwe@octave.org>
parents:
9588
diff
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|
1205 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1206 // FIXME: also need to handle "stack" field in error structure, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1207 // but that will require some more significant surgery on |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1208 // handle_message, error_with_id, etc. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1209 } |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1210 else |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1211 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>
parents:
14361
diff
changeset
|
1212 |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1213 handle_message (error_with_id, id.c_str (), "unspecified error", |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1214 nargs, have_fmt); |
7252 | 1215 } |
1216 | |
3934 | 1217 return retval; |
1489 | 1218 } |
897 | 1219 |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1220 static octave_scalar_map |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1221 warning_query (const std::string& id_arg) |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1222 { |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
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15195
diff
changeset
|
1223 octave_scalar_map retval; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1224 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1225 std::string id = id_arg; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1226 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1227 if (id == "last") |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1228 id = Vlast_warning_id; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1229 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1230 Cell ident = warning_options.contents ("identifier"); |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1231 Cell state = warning_options.contents ("state"); |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1232 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1233 octave_idx_type nel = ident.numel (); |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1234 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1235 assert (nel != 0); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1236 |
15427
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1237 bool found = false; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1238 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1239 std::string val; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1240 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1241 for (octave_idx_type i = 0; i < nel; i++) |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1242 { |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1243 if (ident(i).string_value () == id) |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1244 { |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1245 val = state(i).string_value (); |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1246 found = true; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1247 break; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1248 } |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1249 } |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1250 |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1251 if (! found) |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1252 { |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1253 for (octave_idx_type i = 0; i < nel; i++) |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1254 { |
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1255 if (ident(i).string_value () == "all") |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1256 { |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1257 val = state(i).string_value (); |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1258 found = true; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1259 break; |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1260 } |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1261 } |
6823ad7a25b1
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1262 } |
6823ad7a25b1
implement local option for warnings
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1263 |
20535
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents:
20511
diff
changeset
|
1264 // The warning state "all" is always supposed to remain in the list, |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
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20511
diff
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|
1265 // so we should always find a state, either explicitly or by using the |
b70cc4bd8109
begin removal of global error_state variable
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diff
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|
1266 // state for "all". |
b70cc4bd8109
begin removal of global error_state variable
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diff
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|
1267 |
b70cc4bd8109
begin removal of global error_state variable
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parents:
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diff
changeset
|
1268 assert (found); |
b70cc4bd8109
begin removal of global error_state variable
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parents:
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diff
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|
1269 |
b70cc4bd8109
begin removal of global error_state variable
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parents:
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diff
changeset
|
1270 retval.assign ("identifier", id); |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
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diff
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|
1271 retval.assign ("state", val); |
15427
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implement local option for warnings
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diff
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|
1272 |
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diff
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|
1273 return retval; |
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implement local option for warnings
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diff
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|
1274 } |
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John W. Eaton <jwe@octave.org>
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diff
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|
1275 |
19439
93fbdbcb3349
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John W. Eaton <jwe@octave.org>
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|
1276 static std::string |
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|
1277 default_warning_state (void) |
93fbdbcb3349
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|
1278 { |
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fix handling of options struct passed to warning function (bug #36393)
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|
1279 std::string retval = "on"; |
93fbdbcb3349
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|
1280 |
93fbdbcb3349
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changeset
|
1281 Cell ident = warning_options.contents ("identifier"); |
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fix handling of options struct passed to warning function (bug #36393)
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|
1282 Cell state = warning_options.contents ("state"); |
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|
1283 |
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|
1284 octave_idx_type nel = ident.numel (); |
93fbdbcb3349
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|
1285 |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
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changeset
|
1286 for (octave_idx_type i = 0; i < nel; i++) |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
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|
1287 { |
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1288 if (ident(i).string_value () == "all") |
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1289 { |
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1290 retval = state(i).string_value (); |
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1291 break; |
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1292 } |
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1293 } |
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1294 |
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1295 return retval; |
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1296 } |
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1297 |
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1298 static void |
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1299 display_warning_options (std::ostream& os) |
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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 std::string all_state = default_warning_state (); |
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1307 |
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1308 if (all_state == "on") |
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1309 os << "By default, warnings are enabled."; |
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1310 else if (all_state == "off") |
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1311 os << "By default, warnings are disabled."; |
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1312 else if (all_state == "error") |
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1313 os << "By default, warnings are treated as errors."; |
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1314 else |
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1315 panic_impossible (); |
19597
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1316 |
19439
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1317 if (nel > 1) |
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1318 os << "\n\n"; |
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1319 |
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1320 // The state for all is always supposed to be first in the list. |
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1321 |
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1322 for (octave_idx_type i = 1; i < nel; i++) |
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1323 { |
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1324 std::string tid = ident(i).string_value (); |
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1325 std::string tst = state(i).string_value (); |
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1326 |
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1327 os << std::setw (7) << tst << " " << tid << "\n"; |
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1328 } |
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1329 |
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1330 os << std::endl; |
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1331 } |
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1332 |
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|
1333 static void |
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1334 set_warning_option (const std::string& state, const std::string& ident) |
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1335 { |
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1336 if (ident == "all") |
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1337 { |
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1338 initialize_warning_options (state); |
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1339 return; |
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1340 } |
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1341 |
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1342 std::string all_state = default_warning_state (); |
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1343 |
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1344 if (state != "on" && state != "off" && state != "error") |
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1345 error ("invalid warning state: %s", state.c_str ()); |
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1346 |
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|
1347 Cell tid = warning_options.contents ("identifier"); |
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1348 Cell tst = warning_options.contents ("state"); |
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1349 |
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|
1350 octave_idx_type nel = tid.numel (); |
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|
1351 |
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1352 for (octave_idx_type i = 0; i < nel; i++) |
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1353 { |
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1354 if (tid(i).string_value () == ident) |
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1355 { |
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1356 // We found it in the current list of options. If the state |
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1357 // for "all" is same as arg1, we can simply remove the item |
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1358 // from the list. |
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|
1359 |
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|
1360 if (state == all_state) |
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1361 { |
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1362 for (i = i + 1; i < nel; i++) |
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1363 { |
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1364 tid(i-1) = tid(i); |
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1365 tst(i-1) = tst(i); |
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1366 } |
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|
1367 |
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|
1368 tid.resize (dim_vector (1, nel-1)); |
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1369 tst.resize (dim_vector (1, nel-1)); |
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1370 } |
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1371 else |
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|
1372 tst(i) = state; |
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1373 |
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|
1374 warning_options.clear (); |
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1375 |
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|
1376 warning_options.assign ("identifier", tid); |
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|
1377 warning_options.assign ("state", tst); |
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1378 |
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|
1379 return; |
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1380 } |
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1381 } |
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|
1382 |
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|
1383 // The option wasn't already in the list. Append it. |
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1384 |
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|
1385 tid.resize (dim_vector (1, nel+1)); |
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|
1386 tst.resize (dim_vector (1, nel+1)); |
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|
1387 |
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|
1388 tid(nel) = ident; |
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|
1389 tst(nel) = state; |
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1390 |
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|
1391 warning_options.clear (); |
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|
1392 |
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|
1393 warning_options.assign ("identifier", tid); |
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|
1394 warning_options.assign ("state", tst); |
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1395 } |
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|
1396 |
8746
5dd06f19e9be
handle commands in the lexer
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diff
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|
1397 DEFUN (warning, args, nargout, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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diff
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|
1398 "-*- texinfo -*-\n\ |
10840 | 1399 @deftypefn {Built-in Function} {} warning (@var{template}, @dots{})\n\ |
7252 | 1400 @deftypefnx {Built-in Function} {} warning (@var{id}, @var{template}, @dots{})\n\ |
14072
d0d9c5d2e434
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diff
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|
1401 @deftypefnx {Built-in Function} {} warning (\"on\", @var{id})\n\ |
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|
1402 @deftypefnx {Built-in Function} {} warning (\"off\", @var{id})\n\ |
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|
1403 @deftypefnx {Built-in Function} {} warning (\"query\", @var{id})\n\ |
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1404 @deftypefnx {Built-in Function} {} warning (\"error\", @var{id})\n\ |
18128
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1405 @deftypefnx {Built-in Function} {} warning (@var{state}, \"backtrace\")\n\ |
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1406 @deftypefnx {Built-in Function} {} warning (@var{state}, @var{id}, \"local\")\n\ |
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1407 Display a warning message or control the behavior of Octave's warning system.\n\ |
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1408 \n\ |
5781 | 1409 Format the optional arguments under the control of the template string\n\ |
1410 @var{template} using the same rules as the @code{printf} family of\n\ | |
1411 functions (@pxref{Formatted Output}) and print the resulting message\n\ | |
1412 on the @code{stderr} stream. The message is prefixed by the character\n\ | |
1413 string @samp{warning: }.\n\ | |
1414 You should use this function when you want to notify the user\n\ | |
3600 | 1415 of an unusual condition, but only when it makes sense for your program\n\ |
1416 to go on.\n\ | |
5781 | 1417 \n\ |
1418 The optional message identifier allows users to enable or disable\n\ | |
15524
15628a84a4fa
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|
1419 warnings tagged by @var{id}. A message identifier is of the form\n\ |
17281
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1420 \"NAMESPACE:WARNING-NAME\". Octave's own warnings use the @qcode{\"Octave\"}\n\ |
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|
1421 namespace (@pxref{XREFwarning_ids}). The special identifier @qcode{\"all\"}\n\ |
15524
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|
1422 may be used to set the state of all warnings.\n\ |
5781 | 1423 \n\ |
17281
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|
1424 If the first argument is @qcode{\"on\"} or @qcode{\"off\"},\n\ |
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|
1425 set the state of a particular warning using the identifier @var{id}. If the\n\ |
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|
1426 first argument is @qcode{\"query\"}, query the state of this warning\n\ |
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|
1427 instead. If the identifier is omitted, a value of @qcode{\"all\"} is\n\ |
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|
1428 assumed. If you set the state of a warning to @qcode{\"error\"}, the\n\ |
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|
1429 warning named by @var{id} is handled as if it were an error instead. So,\n\ |
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|
1430 for example, the following handles all warnings as errors:\n\ |
14072
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|
1431 \n\ |
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|
1432 @example\n\ |
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1433 @group\n\ |
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|
1434 warning (\"error\");\n\ |
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1435 @end group\n\ |
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1436 @end example\n\ |
15173
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1437 \n\ |
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1438 If the state is @qcode{\"on\"} or @qcode{\"off\"} and the third argument\n\ |
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1439 is @qcode{\"backtrace\"}, then a stack trace is printed along with the\n\ |
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1440 warning message when warnings occur inside function calls. This option\n\ |
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|
1441 is enabled by default.\n\ |
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|
1442 \n\ |
17281
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|
1443 If the state is @qcode{\"on\"}, @qcode{\"off\"}, or @qcode{\"error\"}\n\ |
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1444 and the third argument is @qcode{\"local\"}, then the warning state\n\ |
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1445 will be set temporarily, until the end of the current function.\n\ |
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1446 Changes to warning states that are set locally affect the current\n\ |
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1447 function and all functions called from the current scope. The\n\ |
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1448 previous warning state is restored on return from the current\n\ |
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|
1449 function. The @qcode{\"local\"} option is ignored if used in the top-level\n\ |
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1450 workspace.\n\ |
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1451 \n\ |
15173
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|
1452 Implementation Note: For compatibility with @sc{matlab}, escape\n\ |
20101
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doc: Periodic grammarcheck of documentation.
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|
1453 sequences in @var{template} (e.g., @qcode{\"@xbackslashchar{}n\"} =>\n\ |
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|
1454 newline) are processed regardless of whether @var{template} has been defined\n\ |
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|
1455 with single quotes, as long as there are two or more input arguments. To\n\ |
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|
1456 disable escape sequence expansion use a second backslash before the sequence\n\ |
20172
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Rik <rik@octave.org>
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|
1457 (e.g., @qcode{\"@xbackslashchar{}@xbackslashchar{}n\"}) or use the\n\ |
20101
e51473fdb622
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|
1458 @code{regexptranslate} function.\n\ |
15173
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|
1459 @seealso{warning_ids, lastwarn, error}\n\ |
3373 | 1460 @end deftypefn") |
1489 | 1461 { |
5567 | 1462 octave_value retval; |
3934 | 1463 |
5567 | 1464 int nargin = args.length (); |
1465 int argc = nargin + 1; | |
3934 | 1466 |
3935 | 1467 bool done = false; |
3934 | 1468 |
5567 | 1469 if (argc > 1 && args.all_strings_p ()) |
3935 | 1470 { |
1471 string_vector argv = args.make_argv ("warning"); | |
1472 | |
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1473 std::string arg1 = argv(1); |
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1474 std::string arg2 = "all"; |
5567 | 1475 |
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1476 if (argc >= 3) |
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1477 arg2 = argv(2); |
5567 | 1478 |
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1479 if (arg1 == "on" || arg1 == "off" || arg1 == "error") |
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1480 { |
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1481 octave_map old_warning_options = warning_options; |
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1482 |
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1483 if (argc == 4 && argv(3) == "local" |
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1484 && ! symbol_table::at_top_level ()) |
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1485 { |
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1486 symbol_table::scope_id scope |
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1487 = octave_call_stack::current_scope (); |
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1488 |
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1489 symbol_table::context_id context |
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1490 = octave_call_stack::current_context (); |
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1491 |
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1492 octave_scalar_map val = warning_query (arg2); |
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1493 |
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1494 octave_value curr_state = val.contents ("state"); |
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1495 |
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1496 // FIXME: this might be better with a dictionary object. |
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1497 |
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1498 octave_value curr_warning_states |
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1499 = symbol_table::varval (".saved_warning_states.", |
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1500 scope, context); |
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1501 |
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1502 octave_map m; |
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1503 |
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1504 if (curr_warning_states.is_defined ()) |
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1505 m = curr_warning_states.map_value (); |
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1506 else |
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1507 { |
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1508 string_vector fields (2); |
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1509 |
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1510 fields(0) = "identifier"; |
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1511 fields(1) = "state"; |
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1512 |
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1513 m = octave_map (dim_vector (0, 1), fields); |
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1514 } |
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1515 |
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1516 Cell ids = m.contents ("identifier"); |
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1517 Cell states = m.contents ("state"); |
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1518 |
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1519 octave_idx_type nel = states.numel (); |
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1520 bool found = false; |
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1521 octave_idx_type i; |
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1522 for (i = 0; i < nel; i++) |
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1523 { |
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1524 std::string id = ids(i).string_value (); |
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1525 |
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1526 if (id == arg2) |
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1527 { |
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1528 states(i) = curr_state; |
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1529 found = true; |
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1530 break; |
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1531 } |
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1532 } |
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1533 |
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1534 if (! found) |
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|
1535 { |
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4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1536 m.resize (dim_vector (nel+1, 1)); |
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diff
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|
1537 |
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eliminate more uses of error_state
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diff
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|
1538 ids.resize (dim_vector (nel+1, 1)); |
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diff
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|
1539 states.resize (dim_vector (nel+1, 1)); |
3934 | 1540 |
20678
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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diff
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|
1541 ids(nel) = arg2; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1542 states(nel) = curr_state; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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|
1543 } |
7202 | 1544 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
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|
1545 m.contents ("identifier") = ids; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
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|
1546 m.contents ("state") = states; |
7202 | 1547 |
20678
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
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|
1548 symbol_table::assign |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1549 (".saved_warning_states.", m, scope, context); |
4b00afb5e9c3
eliminate more uses of error_state
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|
1550 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1551 // Now ignore the "local" argument and continue to |
4b00afb5e9c3
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|
1552 // handle the current setting. |
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eliminate more uses of error_state
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diff
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|
1553 argc--; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1554 } |
7202 | 1555 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1556 if (arg2 == "all") |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1557 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1558 octave_map tmp; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1559 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1560 Cell id (1, 1); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1561 Cell st (1, 1); |
4b00afb5e9c3
eliminate more uses of error_state
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|
1562 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1563 id(0) = arg2; |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1564 st(0) = arg1; |
7206 | 1565 |
20678
4b00afb5e9c3
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diff
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|
1566 // Since internal Octave functions are not |
4b00afb5e9c3
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|
1567 // compatible, turning all warnings into errors |
4b00afb5e9c3
eliminate more uses of error_state
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|
1568 // should leave the state of |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1569 // Octave:language-extension alone. |
7202 | 1570 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1571 if (arg1 == "error" |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1572 && warning_options.contains ("identifier")) |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
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|
1573 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1574 octave_idx_type n = 1; |
7202 | 1575 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1576 Cell tid = warning_options.contents ("identifier"); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
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|
1577 Cell tst = warning_options.contents ("state"); |
7202 | 1578 |
20678
4b00afb5e9c3
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diff
changeset
|
1579 for (octave_idx_type i = 0; i < tid.numel (); i++) |
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|
1580 { |
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diff
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|
1581 octave_value vid = tid(i); |
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|
1582 |
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eliminate more uses of error_state
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diff
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|
1583 if (vid.is_string ()) |
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eliminate more uses of error_state
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diff
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|
1584 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1585 std::string key = vid.string_value (); |
7202 | 1586 |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1587 if (key == "Octave:language-extension" |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1588 || key == "Octave:single-quote-string") |
4b00afb5e9c3
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diff
changeset
|
1589 { |
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changeset
|
1590 id.resize (dim_vector (1, n+1)); |
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eliminate more uses of error_state
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diff
changeset
|
1591 st.resize (dim_vector (1, n+1)); |
7206 | 1592 |
20678
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1593 id(n) = tid(i); |
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eliminate more uses of error_state
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diff
changeset
|
1594 st(n) = tst(i); |
4b00afb5e9c3
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diff
changeset
|
1595 |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1596 n++; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1597 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1598 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1599 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1600 } |
5567 | 1601 |
20678
4b00afb5e9c3
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diff
changeset
|
1602 tmp.assign ("identifier", id); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1603 tmp.assign ("state", st); |
5582 | 1604 |
20678
4b00afb5e9c3
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diff
changeset
|
1605 warning_options = tmp; |
5567 | 1606 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1607 done = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1608 } |
20678
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1609 else if (arg2 == "backtrace") |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1610 { |
4b00afb5e9c3
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20666
diff
changeset
|
1611 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1612 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1613 Vbacktrace_on_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1614 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1615 } |
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parents:
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diff
changeset
|
1616 } |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1617 else if (arg2 == "debug") |
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eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1618 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1619 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1620 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1621 Vdebug_on_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1622 done = true; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1623 } |
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eliminate more uses of error_state
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diff
changeset
|
1624 } |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1625 else if (arg2 == "verbose") |
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eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1626 { |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1627 if (arg1 != "error") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
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20666
diff
changeset
|
1628 { |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1629 Vverbose_warning = (arg1 == "on"); |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1630 done = true; |
4b00afb5e9c3
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diff
changeset
|
1631 } |
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diff
changeset
|
1632 } |
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eliminate more uses of error_state
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diff
changeset
|
1633 else if (arg2 == "quiet") |
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changeset
|
1634 { |
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eliminate more uses of error_state
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diff
changeset
|
1635 if (arg1 != "error") |
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eliminate more uses of error_state
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diff
changeset
|
1636 { |
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changeset
|
1637 Vquiet_warning = (arg1 == "on"); |
4b00afb5e9c3
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diff
changeset
|
1638 done = true; |
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diff
changeset
|
1639 } |
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diff
changeset
|
1640 } |
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changeset
|
1641 else |
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changeset
|
1642 { |
4b00afb5e9c3
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diff
changeset
|
1643 if (arg2 == "last") |
4b00afb5e9c3
eliminate more uses of error_state
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diff
changeset
|
1644 arg2 = Vlast_warning_id; |
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changeset
|
1645 |
4b00afb5e9c3
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changeset
|
1646 set_warning_option (arg1, arg2); |
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changeset
|
1647 |
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changeset
|
1648 done = true; |
4b00afb5e9c3
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changeset
|
1649 } |
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changeset
|
1650 |
4b00afb5e9c3
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changeset
|
1651 if (done && nargout > 0) |
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diff
changeset
|
1652 retval = old_warning_options; |
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changeset
|
1653 } |
4b00afb5e9c3
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diff
changeset
|
1654 else if (arg1 == "query") |
4b00afb5e9c3
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diff
changeset
|
1655 { |
4b00afb5e9c3
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diff
changeset
|
1656 if (arg2 == "all") |
4b00afb5e9c3
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changeset
|
1657 retval = warning_options; |
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changeset
|
1658 else if (arg2 == "backtrace" || arg2 == "debug" |
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changeset
|
1659 || arg2 == "verbose" || arg2 == "quiet") |
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changeset
|
1660 { |
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changeset
|
1661 octave_scalar_map tmp; |
4b00afb5e9c3
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changeset
|
1662 tmp.assign ("identifier", arg2); |
4b00afb5e9c3
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changeset
|
1663 if (arg2 == "backtrace") |
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changeset
|
1664 tmp.assign ("state", Vbacktrace_on_warning ? "on" : "off"); |
4b00afb5e9c3
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changeset
|
1665 else if (arg2 == "debug") |
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diff
changeset
|
1666 tmp.assign ("state", Vdebug_on_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
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20666
diff
changeset
|
1667 else if (arg2 == "verbose") |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1668 tmp.assign ("state", Vverbose_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1669 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1670 tmp.assign ("state", Vquiet_warning ? "on" : "off"); |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1671 |
4b00afb5e9c3
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parents:
20666
diff
changeset
|
1672 retval = tmp; |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1673 } |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1674 else |
4b00afb5e9c3
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1675 retval = warning_query (arg2); |
4b00afb5e9c3
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John W. Eaton <jwe@octave.org>
parents:
20666
diff
changeset
|
1676 |
4b00afb5e9c3
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parents:
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diff
changeset
|
1677 done = true; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
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|
1678 } |
3934 | 1679 } |
5567 | 1680 else if (argc == 1) |
1681 { | |
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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|
1682 if (nargout > 0) |
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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|
1683 retval = warning_options; |
93fbdbcb3349
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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|
1684 else |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1685 display_warning_options (octave_stdout); |
3934 | 1686 |
5567 | 1687 done = true; |
1688 } | |
1689 else if (argc == 2) | |
1690 { | |
1691 octave_value arg = args(0); | |
1692 | |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1693 octave_map old_warning_options = warning_options; |
5567 | 1694 |
1695 if (arg.is_map ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1696 { |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1697 octave_map m = arg.map_value (); |
5567 | 1698 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1699 if (m.contains ("identifier") && m.contains ("state")) |
19439
93fbdbcb3349
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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|
1700 { |
93fbdbcb3349
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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|
1701 // Simply step through the struct elements one at a time. |
93fbdbcb3349
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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|
1702 |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1703 Cell ident = m.contents ("identifier"); |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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19421
diff
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|
1704 Cell state = m.contents ("state"); |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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diff
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|
1705 |
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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
changeset
|
1706 octave_idx_type nel = ident.numel (); |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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|
1707 |
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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
changeset
|
1708 for (octave_idx_type i = 0; i < nel; i++) |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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diff
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|
1709 { |
93fbdbcb3349
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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|
1710 std::string tst = state(i).string_value (); |
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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|
1711 std::string tid = ident(i).string_value (); |
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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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|
1712 |
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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
changeset
|
1713 set_warning_option (tst, tid); |
93fbdbcb3349
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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|
1714 } |
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
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|
1715 } |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1716 else |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20678
diff
changeset
|
1717 error ("warning: STATE structure must have fields 'identifier' and 'state'"); |
5567 | 1718 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1719 done = true; |
5567 | 1720 |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1721 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
1722 retval = old_warning_options; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1723 } |
5567 | 1724 } |
1725 | |
20678
4b00afb5e9c3
eliminate more uses of error_state
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changeset
|
1726 if (! done) |
3935 | 1727 { |
5567 | 1728 octave_value_list nargs = args; |
1729 | |
1730 std::string id; | |
1731 | |
14558
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1732 bool have_fmt = maybe_extract_message_id ("warning", args, nargs, id); |
5567 | 1733 |
3935 | 1734 std::string prev_msg = Vlast_warning_message; |
1735 | |
5567 | 1736 std::string curr_msg = handle_message (warning_with_id, id.c_str (), |
14558
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better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1737 "unspecified warning", nargs, |
0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
parents:
14361
diff
changeset
|
1738 have_fmt); |
3935 | 1739 |
1740 if (nargout > 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1741 retval = prev_msg; |
3935 | 1742 } |
1743 | |
3934 | 1744 return retval; |
1745 } | |
1746 | |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1747 octave_value_list |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1748 set_warning_state (const std::string& id, const std::string& state) |
5794 | 1749 { |
1750 octave_value_list args; | |
1751 | |
1752 args(1) = id; | |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1753 args(0) = state; |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1754 |
1834132fb50b
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John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1755 return Fwarning (args, 1); |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1756 } |
5794 | 1757 |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1758 octave_value_list |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1759 set_warning_state (const octave_value_list& args) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1760 { |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1761 return Fwarning (args, 1); |
1834132fb50b
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John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1762 } |
1834132fb50b
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John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1763 |
1834132fb50b
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John W. Eaton <jwe@octave.org>
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10405
diff
changeset
|
1764 void |
1834132fb50b
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John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1765 disable_warning (const std::string& id) |
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10405
diff
changeset
|
1766 { |
19439
93fbdbcb3349
fix handling of options struct passed to warning function (bug #36393)
John W. Eaton <jwe@octave.org>
parents:
19421
diff
changeset
|
1767 set_warning_option ("off", id); |
5794 | 1768 } |
1769 | |
1770 void | |
1771 initialize_default_warning_state (void) | |
1772 { | |
1773 initialize_warning_options ("on"); | |
1774 | |
1775 // Most people will want to have the following disabled. | |
1776 | |
1777 disable_warning ("Octave:array-to-scalar"); | |
1778 disable_warning ("Octave:array-to-vector"); | |
1779 disable_warning ("Octave:imag-to-real"); | |
19852
e9a0bd0b125c
Rename 'matlab-incompatible' warning to 'language-extension'.
Carnë Draug <carandraug@octave.org>
parents:
19849
diff
changeset
|
1780 disable_warning ("Octave:language-extension"); |
5794 | 1781 disable_warning ("Octave:missing-semicolon"); |
1782 disable_warning ("Octave:neg-dim-as-zero"); | |
1783 disable_warning ("Octave:resize-on-range-error"); | |
1784 disable_warning ("Octave:separator-insert"); | |
1785 disable_warning ("Octave:single-quote-string"); | |
1786 disable_warning ("Octave:str-to-num"); | |
13841
0a158dbdb04a
Remove 3 unused warning ids
Rik <octave@nomad.inbox5.com>
parents:
13709
diff
changeset
|
1787 disable_warning ("Octave:mixed-string-concat"); |
5794 | 1788 disable_warning ("Octave:variable-switch-label"); |
1789 } | |
1790 | |
6361 | 1791 DEFUN (lasterror, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1792 "-*- texinfo -*-\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
1793 @deftypefn {Built-in Function} {@var{lasterr} =} lasterror ()\n\ |
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
1794 @deftypefnx {Built-in Function} {} lasterror (@var{err})\n\ |
14361
8de863b7126b
doc: Use Octave preference for double quote in docstrings in all .cc files
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1795 @deftypefnx {Built-in Function} {} lasterror (\"reset\")\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1796 Query or set the last error message structure.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1797 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1798 When called without arguments, return a structure containing the last error\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1799 message and other information related to this error. The elements of the\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1800 structure are:\n\ |
6361 | 1801 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1802 @table @code\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1803 @item message\n\ |
6361 | 1804 The text of the last error message\n\ |
10840 | 1805 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1806 @item identifier\n\ |
6361 | 1807 The message identifier of this error message\n\ |
10840 | 1808 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
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17097
diff
changeset
|
1809 @item stack\n\ |
12692
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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12483
diff
changeset
|
1810 A structure containing information on where the message occurred. This may\n\ |
20172
4f45eaf83908
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Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1811 be an empty structure if the information cannot be obtained. The fields of\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20140
diff
changeset
|
1812 the structure are:\n\ |
6361 | 1813 \n\ |
17281
bc924baa2c4e
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Rik <rik@octave.org>
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17097
diff
changeset
|
1814 @table @code\n\ |
bc924baa2c4e
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Rik <rik@octave.org>
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17097
diff
changeset
|
1815 @item file\n\ |
6361 | 1816 The name of the file where the error occurred\n\ |
10840 | 1817 \n\ |
17281
bc924baa2c4e
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Rik <rik@octave.org>
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17097
diff
changeset
|
1818 @item name\n\ |
7001 | 1819 The name of function in which the error occurred\n\ |
10840 | 1820 \n\ |
17281
bc924baa2c4e
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Rik <rik@octave.org>
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17097
diff
changeset
|
1821 @item line\n\ |
7001 | 1822 The line number at which the error occurred\n\ |
10840 | 1823 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1824 @item column\n\ |
6361 | 1825 An optional field with the column number at which the error occurred\n\ |
1826 @end table\n\ | |
1827 @end table\n\ | |
1828 \n\ | |
12692
e7b03b8662a2
doc: Update docstrings for a few functions
Rik <octave@nomad.inbox5.com>
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12483
diff
changeset
|
1829 The last error structure may be set by passing a scalar structure, @var{err},\n\ |
e7b03b8662a2
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Rik <octave@nomad.inbox5.com>
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12483
diff
changeset
|
1830 as input. Any fields of @var{err} that match those above are set while any\n\ |
e7b03b8662a2
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Rik <octave@nomad.inbox5.com>
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12483
diff
changeset
|
1831 unspecified fields are initialized with default values.\n\ |
e7b03b8662a2
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12483
diff
changeset
|
1832 \n\ |
17281
bc924baa2c4e
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Rik <rik@octave.org>
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17097
diff
changeset
|
1833 If @code{lasterror} is called with the argument @qcode{\"reset\"}, all\n\ |
bc924baa2c4e
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Rik <rik@octave.org>
parents:
17097
diff
changeset
|
1834 fields are set to their default values.\n\ |
15173
8593bed236f1
doc: Document escape character processing within single quotes for regexp, warning, error.
Rik <rik@octave.org>
parents:
15088
diff
changeset
|
1835 @seealso{lasterr, error, lastwarn}\n\ |
6361 | 1836 @end deftypefn") |
1837 { | |
1838 octave_value retval; | |
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
|
1839 int nargin = args.length (); |
6361 | 1840 |
1841 if (nargin < 2) | |
1842 { | |
11058
3329616444f0
replace Octave_map in debug.cc and error.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
11029
diff
changeset
|
1843 octave_scalar_map err; |
6361 | 1844 |
1845 err.assign ("message", Vlast_error_message); | |
1846 err.assign ("identifier", Vlast_error_id); | |
1847 | |
9166
69088b7b139c
use complete stack trace information for lasterror
John W. Eaton <jwe@octave.org>
parents:
9153
diff
changeset
|
1848 err.assign ("stack", octave_value (Vlast_error_stack)); |
6361 | 1849 |
1850 if (nargin == 1) | |
10315
57a59eae83cc
untabify src C++ source files
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10160
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changeset
|
1851 { |
14846
460a3c6d8bf1
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Rik <octave@nomad.inbox5.com>
parents:
14559
diff
changeset
|
1852 if (args(0).is_string ()) |
10315
57a59eae83cc
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1853 { |
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1854 if (args(0).string_value () == "reset") |
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1855 { |
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1856 Vlast_error_message = std::string (); |
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1857 Vlast_error_id = std::string (); |
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1858 |
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1859 Vlast_error_stack = initialize_last_error_stack (); |
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1860 } |
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1861 else |
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1862 error ("lasterror: unrecognized string argument"); |
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1863 } |
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1864 else if (args(0).is_map ()) |
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1865 { |
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|
1866 octave_scalar_map new_err = args(0).scalar_map_value (); |
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|
1867 octave_scalar_map new_err_stack; |
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1868 std::string new_error_message; |
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1869 std::string new_error_id; |
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1870 std::string new_error_file; |
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1871 std::string new_error_name; |
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1872 int new_error_line = -1; |
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1873 int new_error_column = -1; |
6361 | 1874 |
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1875 if (new_err.contains ("message")) |
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1876 { |
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1877 const std::string tmp = |
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1878 new_err.getfield ("message").string_value (); |
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1879 new_error_message = tmp; |
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1880 } |
6361 | 1881 |
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1882 if (new_err.contains ("identifier")) |
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1883 { |
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1884 const std::string tmp = |
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1885 new_err.getfield ("identifier").string_value (); |
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1886 new_error_id = tmp; |
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1887 } |
6361 | 1888 |
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1889 if (new_err.contains ("stack")) |
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1890 { |
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1891 new_err_stack = |
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1892 new_err.getfield ("stack").scalar_map_value (); |
6361 | 1893 |
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1894 if (new_err_stack.contains ("file")) |
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1895 { |
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1896 const std::string tmp = |
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1897 new_err_stack.getfield ("file").string_value (); |
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1898 new_error_file = tmp; |
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1899 } |
6361 | 1900 |
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1901 if (new_err_stack.contains ("name")) |
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1902 { |
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1903 const std::string tmp = |
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1904 new_err_stack.getfield ("name").string_value (); |
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1905 new_error_name = tmp; |
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1906 } |
6361 | 1907 |
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1908 if (new_err_stack.contains ("line")) |
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1909 { |
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1910 const int tmp = |
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1911 new_err_stack.getfield ("line").nint_value (); |
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1912 new_error_line = tmp; |
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1913 } |
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1914 |
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1915 if (new_err_stack.contains ("column")) |
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1916 { |
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1917 const int tmp = |
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1918 new_err_stack.getfield ("column").nint_value (); |
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1919 new_error_column = tmp; |
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1920 } |
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1921 } |
6361 | 1922 |
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1923 Vlast_error_message = new_error_message; |
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1924 Vlast_error_id = new_error_id; |
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1925 |
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1926 if (new_err.contains ("stack")) |
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1927 { |
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1928 new_err_stack.setfield ("file", new_error_file); |
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1929 new_err_stack.setfield ("name", new_error_name); |
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1930 new_err_stack.setfield ("line", new_error_line); |
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1931 new_err_stack.setfield ("column", new_error_column); |
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1932 Vlast_error_stack = new_err_stack; |
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1933 } |
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1934 else |
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1935 { |
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1936 // No stack field. Fill it in with backtrace info. |
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1937 octave_idx_type curr_frame = -1; |
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1938 |
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1939 Vlast_error_stack |
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1940 = octave_call_stack::backtrace (0, curr_frame); |
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1941 } |
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1942 } |
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1943 else |
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1944 error ("lasterror: argument must be a structure or a string"); |
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1945 } |
6361 | 1946 |
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1947 retval = err; |
6361 | 1948 } |
1949 else | |
1950 print_usage (); | |
1951 | |
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1952 return retval; |
6361 | 1953 } |
1954 | |
5567 | 1955 DEFUN (lasterr, args, nargout, |
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1956 "-*- texinfo -*-\n\ |
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1957 @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} lasterr ()\n\ |
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1958 @deftypefnx {Built-in Function} {} lasterr (@var{msg})\n\ |
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1959 @deftypefnx {Built-in Function} {} lasterr (@var{msg}, @var{msgid})\n\ |
20172
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1960 Query or set the last error message.\n\ |
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1961 \n\ |
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1962 When called without input arguments, return the last error message and\n\ |
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1963 message identifier.\n\ |
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1964 \n\ |
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1965 With one argument, set the last error message to @var{msg}.\n\ |
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1966 \n\ |
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1967 With two arguments, also set the last message identifier.\n\ |
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|
1968 @seealso{lasterror, error, lastwarn}\n\ |
3935 | 1969 @end deftypefn") |
1970 { | |
1971 octave_value_list retval; | |
1972 | |
1973 int argc = args.length () + 1; | |
1974 | |
5567 | 1975 if (argc < 4) |
5335 | 1976 { |
1977 string_vector argv = args.make_argv ("lasterr"); | |
3935 | 1978 |
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1979 std::string prev_error_id = Vlast_error_id; |
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1980 std::string prev_error_message = Vlast_error_message; |
5567 | 1981 |
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1982 if (argc > 2) |
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1983 Vlast_error_id = argv(2); |
5567 | 1984 |
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1985 if (argc > 1) |
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1986 Vlast_error_message = argv(1); |
5567 | 1987 |
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1988 if (argc == 1 || nargout > 0) |
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|
1989 { |
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|
1990 retval(1) = prev_error_id; |
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1991 retval(0) = prev_error_message; |
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1992 } |
5335 | 1993 } |
3935 | 1994 else |
5823 | 1995 print_usage (); |
3935 | 1996 |
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1997 return retval; |
3935 | 1998 } |
1999 | |
5567 | 2000 DEFUN (lastwarn, args, nargout, |
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2001 "-*- texinfo -*-\n\ |
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2002 @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} lastwarn ()\n\ |
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2003 @deftypefnx {Built-in Function} {} lastwarn (@var{msg})\n\ |
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2004 @deftypefnx {Built-in Function} {} lastwarn (@var{msg}, @var{msgid})\n\ |
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2005 Query or set the last warning message.\n\ |
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2006 \n\ |
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2007 When called without input arguments, return the last warning message and\n\ |
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|
2008 message identifier.\n\ |
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Rik <rik@octave.org>
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|
2009 \n\ |
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|
2010 With one argument, set the last warning message to @var{msg}.\n\ |
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Rik <rik@octave.org>
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2011 \n\ |
4f45eaf83908
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Rik <rik@octave.org>
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|
2012 With two arguments, also set the last message identifier.\n\ |
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|
2013 @seealso{warning, lasterror, lasterr}\n\ |
3934 | 2014 @end deftypefn") |
2015 { | |
2016 octave_value_list retval; | |
2017 | |
2018 int argc = args.length () + 1; | |
2019 | |
5567 | 2020 if (argc < 4) |
2021 { | |
2022 string_vector argv = args.make_argv ("lastwarn"); | |
2023 | |
20535
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begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
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diff
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|
2024 std::string prev_warning_id = Vlast_warning_id; |
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begin removal of global error_state variable
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|
2025 std::string prev_warning_message = Vlast_warning_message; |
5567 | 2026 |
20535
b70cc4bd8109
begin removal of global error_state variable
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|
2027 if (argc > 2) |
b70cc4bd8109
begin removal of global error_state variable
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|
2028 Vlast_warning_id = argv(2); |
3934 | 2029 |
20535
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begin removal of global error_state variable
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|
2030 if (argc > 1) |
b70cc4bd8109
begin removal of global error_state variable
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|
2031 Vlast_warning_message = argv(1); |
5567 | 2032 |
20535
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|
2033 if (argc == 1 || nargout > 0) |
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John W. Eaton <jwe@octave.org>
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diff
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|
2034 { |
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|
2035 retval(1) = prev_warning_id; |
b70cc4bd8109
begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
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diff
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|
2036 retval(0) = prev_warning_message; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
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|
2037 } |
5567 | 2038 } |
3934 | 2039 else |
5823 | 2040 print_usage (); |
3934 | 2041 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
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|
2042 return retval; |
897 | 2043 } |
2044 | |
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Rik <rik@octave.org>
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|
2045 /* FIXME: Deprecated in 4.0 and scheduled for removal in 4.4 */ |
19111 | 2046 DEFUN (__usage__, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
2047 "-*- texinfo -*-\n\ |
3373 | 2048 @deftypefn {Built-in Function} {} usage (@var{msg})\n\ |
2049 Print the message @var{msg}, prefixed by the string @samp{usage: }, and\n\ | |
2050 set Octave's internal error state such that control will return to the\n\ | |
2051 top level without evaluating any more commands. This is useful for\n\ | |
2052 aborting from functions.\n\ | |
2053 \n\ | |
2054 After @code{usage} is evaluated, Octave will print a traceback of all\n\ | |
2055 the function calls leading to the usage message.\n\ | |
899 | 2056 \n\ |
3373 | 2057 You should use this function for reporting problems errors that result\n\ |
2058 from an improper call to a function, such as calling a function with an\n\ | |
2059 incorrect number of arguments, or with arguments of the wrong type. For\n\ | |
2060 example, most functions distributed with Octave begin with code like\n\ | |
2061 this\n\ | |
2062 \n\ | |
2063 @example\n\ | |
2064 @group\n\ | |
2065 if (nargin != 2)\n\ | |
2066 usage (\"foo (a, b)\");\n\ | |
2067 endif\n\ | |
2068 @end group\n\ | |
2069 @end example\n\ | |
2070 \n\ | |
2071 @noindent\n\ | |
2072 to check for the proper number of arguments.\n\ | |
2073 @end deftypefn") | |
899 | 2074 { |
3934 | 2075 octave_value_list retval; |
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0c9c85e702ca
better compatibility for error/warning message IDs and format specifiers
John W. Eaton <jwe@octave.org>
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|
2076 handle_message (usage_with_id, "", "unknown", args, true); |
3934 | 2077 return retval; |
899 | 2078 } |
2079 | |
5794 | 2080 DEFUN (beep_on_error, args, nargout, |
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|
2081 "-*- texinfo -*-\n\ |
10840 | 2082 @deftypefn {Built-in Function} {@var{val} =} beep_on_error ()\n\ |
5794 | 2083 @deftypefnx {Built-in Function} {@var{old_val} =} beep_on_error (@var{new_val})\n\ |
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|
2084 @deftypefnx {Built-in Function} {} beep_on_error (@var{new_val}, \"local\")\n\ |
5794 | 2085 Query or set the internal variable that controls whether Octave will try\n\ |
2086 to ring the terminal bell before printing an error message.\n\ | |
13951
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|
2087 \n\ |
17281
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|
2088 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
20172
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Rik <rik@octave.org>
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|
2089 variable is changed locally for the function and any subroutines it calls.\n\ |
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|
2090 The original variable value is restored when exiting the function.\n\ |
5794 | 2091 @end deftypefn") |
3707 | 2092 { |
5794 | 2093 return SET_INTERNAL_VARIABLE (beep_on_error); |
3707 | 2094 } |
2095 | |
5794 | 2096 DEFUN (debug_on_error, args, nargout, |
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|
2097 "-*- texinfo -*-\n\ |
10840 | 2098 @deftypefn {Built-in Function} {@var{val} =} debug_on_error ()\n\ |
5794 | 2099 @deftypefnx {Built-in Function} {@var{old_val} =} debug_on_error (@var{new_val})\n\ |
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2100 @deftypefnx {Built-in Function} {} debug_on_error (@var{new_val}, \"local\")\n\ |
5794 | 2101 Query or set the internal variable that controls whether Octave will try\n\ |
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|
2102 to enter the debugger when an error is encountered.\n\ |
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|
2103 \n\ |
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|
2104 This will also inhibit printing of the normal traceback message (you will\n\ |
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|
2105 only see the top-level error message).\n\ |
13951
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Rik <octave@nomad.inbox5.com>
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|
2106 \n\ |
17281
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Rik <rik@octave.org>
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|
2107 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
20172
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Rik <rik@octave.org>
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|
2108 variable is changed locally for the function and any subroutines it calls.\n\ |
17281
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Rik <rik@octave.org>
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|
2109 The original variable value is restored when exiting the function.\n\ |
15573
63d024333bee
doc: Add seealso links between debug_on_XXX functions (bug #37576)
Rik <rik@octave.org>
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15524
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|
2110 @seealso{debug_on_warning, debug_on_interrupt}\n\ |
5794 | 2111 @end deftypefn") |
2112 { | |
2113 return SET_INTERNAL_VARIABLE (debug_on_error); | |
2114 } | |
3707 | 2115 |
5794 | 2116 DEFUN (debug_on_warning, args, nargout, |
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Rik <rik@octave.org>
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|
2117 "-*- texinfo -*-\n\ |
10840 | 2118 @deftypefn {Built-in Function} {@var{val} =} debug_on_warning ()\n\ |
5794 | 2119 @deftypefnx {Built-in Function} {@var{old_val} =} debug_on_warning (@var{new_val})\n\ |
13951
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Rik <octave@nomad.inbox5.com>
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|
2120 @deftypefnx {Built-in Function} {} debug_on_warning (@var{new_val}, \"local\")\n\ |
5794 | 2121 Query or set the internal variable that controls whether Octave will try\n\ |
2122 to enter the debugger when a warning is encountered.\n\ | |
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Rik <octave@nomad.inbox5.com>
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|
2123 \n\ |
17281
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Rik <rik@octave.org>
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|
2124 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
20172
4f45eaf83908
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Rik <rik@octave.org>
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20140
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|
2125 variable is changed locally for the function and any subroutines it calls.\n\ |
17281
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Rik <rik@octave.org>
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|
2126 The original variable value is restored when exiting the function.\n\ |
15573
63d024333bee
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Rik <rik@octave.org>
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|
2127 @seealso{debug_on_error, debug_on_interrupt}\n\ |
5794 | 2128 @end deftypefn") |
2129 { | |
2130 return SET_INTERNAL_VARIABLE (debug_on_warning); | |
2174 | 2131 } |
2132 | |
7977
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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|
2133 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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|
2134 last_error_message (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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|
2135 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
diff
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|
2136 return Vlast_error_message; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
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|
2137 } |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
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|
2138 |
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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|
2139 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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diff
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|
2140 last_error_id (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
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|
2141 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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|
2142 return Vlast_error_id; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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2143 } |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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|
2144 |
18222
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
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18130
diff
changeset
|
2145 octave_map |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
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18130
diff
changeset
|
2146 last_error_stack (void) |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
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diff
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|
2147 { |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
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diff
changeset
|
2148 return Vlast_error_stack; |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
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18130
diff
changeset
|
2149 } |
6ef8b920a7d6
include stack in exception variable (bug #41117)
Stefan Mahr <dac922@gmx.de>
parents:
18130
diff
changeset
|
2150 |
7977
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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changeset
|
2151 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
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|
2152 last_warning_message (void) |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2153 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2154 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>
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7976
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|
2155 } |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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changeset
|
2156 |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
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changeset
|
2157 std::string |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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|
2158 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>
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7976
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|
2159 { |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
David Bateman <dbateman@free.fr>
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7976
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|
2160 return Vlast_warning_id; |
065c28e1c368
Modify Fcellfun to directly access the error message/id rather than use a call to Flasterr
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|
2161 } |
11029
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
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10840
diff
changeset
|
2162 |
4ab04ea74b08
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diff
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|
2163 void |
4ab04ea74b08
make an internal function for try simulation
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diff
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|
2164 interpreter_try (unwind_protect& frame) |
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make an internal function for try simulation
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|
2165 { |
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|
2166 frame.protect_var (buffer_error_messages); |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
2167 frame.protect_var (Vdebug_on_error); |
4ab04ea74b08
make an internal function for try simulation
Jaroslav Hajek <highegg@gmail.com>
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10840
diff
changeset
|
2168 frame.protect_var (Vdebug_on_warning); |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
2169 |
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diff
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|
2170 buffer_error_messages++; |
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make an internal function for try simulation
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|
2171 Vdebug_on_error = false; |
4ab04ea74b08
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Jaroslav Hajek <highegg@gmail.com>
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|
2172 Vdebug_on_warning = false; |
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Jaroslav Hajek <highegg@gmail.com>
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|
2173 } |
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|
2174 |
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|
2175 |