Mercurial > octave
annotate libinterp/corefcn/variables.cc @ 23584:7ed6b258db91
maint: Deprecate is_map and replace with isstruct.
* ov.h (is_map): Use OCTAVE_DEPRECATED macro around function.
* ov.h (isstruct): New function.
* structdemo.cc, __luinc__.cc, __magick_read__.cc, cellfun.cc, data.cc,
debug.cc, error.cc, graphics.cc, load-save.cc, ls-mat5.cc, mex.cc,
oct-lvalue.h, oct-stream.cc, variables.cc, __eigs__.cc, __ode15__.cc,
ov-base.h, ov-class.cc, ov-class.h, ov-classdef.h, ov-java.h, ov-struct.cc,
ov-struct.h, ov-usr-fcn.cc, ov.h, pt-eval.cc, pt-tm-const.cc:
Replace instances of is_map with isstruct.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 13 Jun 2017 09:20:08 -0700 |
parents | b7747a2c88b2 |
children | 0c468af9dc00 |
rev | line source |
---|---|
1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2017 John W. Eaton |
11523 | 4 Copyright (C) 2009-2010 VZLU Prague |
1 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
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9 under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation; either version 3 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
1 | 17 |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
1 | 21 |
22 */ | |
23 | |
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24 #if defined (HAVE_CONFIG_H) |
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25 # include "config.h" |
1 | 26 #endif |
27 | |
1468 | 28 #include <cstdio> |
1343 | 29 #include <cstring> |
605 | 30 |
7336 | 31 #include <iomanip> |
4207 | 32 #include <set> |
1728 | 33 #include <string> |
34 | |
2926 | 35 #include "file-stat.h" |
36 #include "oct-env.h" | |
4604 | 37 #include "file-ops.h" |
2926 | 38 #include "glob-match.h" |
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39 #include "lo-regexp.h" |
1755 | 40 #include "str-vec.h" |
41 | |
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42 #include "call-stack.h" |
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43 #include "defaults.h" |
4435 | 44 #include "Cell.h" |
1352 | 45 #include "defun.h" |
46 #include "dirfns.h" | |
47 #include "error.h" | |
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48 #include "errwarn.h" |
1352 | 49 #include "help.h" |
3165 | 50 #include "input.h" |
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51 #include "interpreter-private.h" |
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52 #include "interpreter.h" |
1352 | 53 #include "lex.h" |
5832 | 54 #include "load-path.h" |
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55 #include "octave-link.h" |
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56 #include "octave-preserve-stream-state.h" |
2926 | 57 #include "oct-map.h" |
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58 #include "ovl.h" |
2926 | 59 #include "ov.h" |
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60 #include "ov-class.h" |
3933 | 61 #include "ov-usr-fcn.h" |
605 | 62 #include "pager.h" |
1352 | 63 #include "parse.h" |
2926 | 64 #include "symtab.h" |
1352 | 65 #include "unwind-prot.h" |
1 | 66 #include "utils.h" |
1352 | 67 #include "variables.h" |
2205 | 68 |
7336 | 69 // Defines layout for the whos/who -long command |
70 static std::string Vwhos_line_format | |
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71 = " %a:4; %ln:6; %cs:16:6:1; %rb:12; %lc:-1;\n"; |
195 | 72 |
6068 | 73 void |
6072 | 74 clear_mex_functions (void) |
6068 | 75 { |
7336 | 76 symbol_table::clear_mex_functions (); |
77 } | |
78 | |
79 void | |
80 clear_function (const std::string& nm) | |
81 { | |
82 symbol_table::clear_function (nm); | |
83 } | |
84 | |
85 void | |
86 clear_variable (const std::string& nm) | |
87 { | |
88 symbol_table::clear_variable (nm); | |
89 } | |
90 | |
91 void | |
92 clear_symbol (const std::string& nm) | |
93 { | |
94 symbol_table::clear_symbol (nm); | |
6068 | 95 } |
96 | |
593 | 97 // Attributes of variables and functions. |
98 | |
2086 | 99 // Is this octave_value a valid function? |
593 | 100 |
2975 | 101 octave_function * |
4345 | 102 is_valid_function (const std::string& fcn_name, |
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103 const std::string& warn_for, bool warn) |
593 | 104 { |
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105 octave_function *ans = nullptr; |
593 | 106 |
1755 | 107 if (! fcn_name.empty ()) |
3618 | 108 { |
7336 | 109 octave_value val = symbol_table::find_function (fcn_name); |
110 | |
111 if (val.is_defined ()) | |
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112 ans = val.function_value (true); |
3618 | 113 } |
593 | 114 |
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115 // FIXME: Should this be "err" and "error_for", rather than warn? |
7336 | 116 if (! ans && warn) |
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117 error ("%s: the symbol '%s' is not valid as a function", |
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118 warn_for.c_str (), fcn_name.c_str ()); |
593 | 119 |
120 return ans; | |
121 } | |
122 | |
2975 | 123 octave_function * |
4345 | 124 is_valid_function (const octave_value& arg, |
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125 const std::string& warn_for, bool warn) |
3178 | 126 { |
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127 octave_function *ans = nullptr; |
3178 | 128 |
3523 | 129 std::string fcn_name; |
3178 | 130 |
131 if (arg.is_string ()) | |
4700 | 132 { |
133 fcn_name = arg.string_value (); | |
3178 | 134 |
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135 ans = is_valid_function (fcn_name, warn_for, warn); |
4700 | 136 } |
3178 | 137 else if (warn) |
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138 // FIXME: Should this be "err" and "error_for", rather than warn? |
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139 error ("%s: argument must be a string containing function name", |
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140 warn_for.c_str ()); |
3178 | 141 |
142 return ans; | |
143 } | |
144 | |
145 octave_function * | |
3523 | 146 extract_function (const octave_value& arg, const std::string& warn_for, |
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147 const std::string& fname, const std::string& header, |
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148 const std::string& trailer) |
2796 | 149 { |
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150 octave_function *retval = nullptr; |
2796 | 151 |
152 retval = is_valid_function (arg, warn_for, 0); | |
153 | |
154 if (! retval) | |
155 { | |
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156 std::string s = arg.xstring_value ("%s: first argument must be a string", |
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157 warn_for.c_str ()); |
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158 |
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159 std::string cmd = header; |
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160 cmd.append (s); |
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161 cmd.append (trailer); |
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162 |
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163 int parse_status; |
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164 |
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165 octave::eval_string (cmd, true, parse_status, 0); |
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166 |
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167 if (parse_status != 0) |
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168 error ("%s: '%s' is not valid as a function", |
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169 warn_for.c_str (), fname.c_str ()); |
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170 |
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171 retval = is_valid_function (fname, warn_for, 0); |
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172 |
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173 if (! retval) |
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174 error ("%s: '%s' is not valid as a function", |
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175 warn_for.c_str (), fname.c_str ()); |
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176 |
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177 warning ("%s: passing function body as a string is obsolete; please use anonymous functions", |
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178 warn_for.c_str ()); |
2796 | 179 } |
180 | |
181 return retval; | |
182 } | |
183 | |
2921 | 184 string_vector |
3523 | 185 get_struct_elts (const std::string& text) |
2921 | 186 { |
187 int n = 1; | |
188 | |
189 size_t pos = 0; | |
190 | |
191 size_t len = text.length (); | |
192 | |
8021 | 193 while ((pos = text.find ('.', pos)) != std::string::npos) |
2921 | 194 { |
195 if (++pos == len) | |
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196 break; |
2921 | 197 |
198 n++; | |
199 } | |
200 | |
201 string_vector retval (n); | |
202 | |
203 pos = 0; | |
204 | |
205 for (int i = 0; i < n; i++) | |
206 { | |
4587 | 207 len = text.find ('.', pos); |
2921 | 208 |
8021 | 209 if (len != std::string::npos) |
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210 len -= pos; |
2921 | 211 |
212 retval[i] = text.substr (pos, len); | |
213 | |
8021 | 214 if (len != std::string::npos) |
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215 pos += len + 1; |
2921 | 216 } |
217 | |
218 return retval; | |
219 } | |
220 | |
4179 | 221 static inline bool |
222 is_variable (const std::string& name) | |
223 { | |
224 bool retval = false; | |
225 | |
226 if (! name.empty ()) | |
227 { | |
7336 | 228 octave_value val = symbol_table::varval (name); |
229 | |
230 retval = val.is_defined (); | |
4179 | 231 } |
232 | |
233 return retval; | |
234 } | |
235 | |
2921 | 236 string_vector |
3933 | 237 generate_struct_completions (const std::string& text, |
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238 std::string& prefix, std::string& hint) |
2921 | 239 { |
240 string_vector names; | |
241 | |
242 size_t pos = text.rfind ('.'); | |
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243 bool array = false; |
2921 | 244 |
8021 | 245 if (pos != std::string::npos) |
2921 | 246 { |
247 if (pos == text.length ()) | |
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248 hint = ""; |
2921 | 249 else |
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250 hint = text.substr (pos+1); |
2921 | 251 |
252 prefix = text.substr (0, pos); | |
253 | |
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254 if (prefix == "") |
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255 { |
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256 array = true; |
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257 prefix = find_indexed_expression (text); |
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258 } |
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259 |
4179 | 260 std::string base_name = prefix; |
261 | |
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262 pos = base_name.find_first_of ("{(. "); |
2921 | 263 |
8021 | 264 if (pos != std::string::npos) |
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265 base_name = base_name.substr (0, pos); |
4143 | 266 |
4179 | 267 if (is_variable (base_name)) |
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268 { |
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269 int parse_status; |
4179 | 270 |
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271 octave::unwind_protect frame; |
3935 | 272 |
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273 frame.protect_var (discard_error_messages); |
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274 frame.protect_var (discard_warning_messages); |
3935 | 275 |
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276 discard_error_messages = true; |
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277 discard_warning_messages = true; |
2921 | 278 |
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279 try |
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280 { |
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281 octave_value tmp = octave::eval_string (prefix, true, parse_status); |
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282 |
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283 frame.run (); |
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284 |
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285 if (tmp.is_defined () |
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286 && (tmp.isstruct () || tmp.isjava () || tmp.is_classdef_object ())) |
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287 names = tmp.map_keys (); |
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288 } |
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289 catch (const octave::execution_exception&) |
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290 { |
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291 octave::interpreter::recover_from_exception (); |
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292 } |
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293 } |
4179 | 294 } |
2921 | 295 |
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296 // Undo look-back that found the array expression, |
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297 // but insert an extra "." to distinguish from the non-struct case. |
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298 if (array) |
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299 prefix = "."; |
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300 |
2921 | 301 return names; |
302 } | |
303 | |
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304 // FIXME: this will have to be much smarter to work "correctly". |
2921 | 305 bool |
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306 looks_like_struct (const std::string& text, char prev_char) |
2921 | 307 { |
4604 | 308 bool retval = (! text.empty () |
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309 && (text != "." || prev_char == ')' || prev_char == '}') |
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310 && text.find_first_of (octave::sys::file_ops::dir_sep_chars ()) == std::string::npos |
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311 && text.find ("..") == std::string::npos |
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312 && text.rfind ('.') != std::string::npos); |
3968 | 313 |
4179 | 314 #if 0 |
3968 | 315 symbol_record *sr = curr_sym_tab->lookup (text); |
2963 | 316 |
3968 | 317 if (sr && ! sr->is_function ()) |
318 { | |
319 int parse_status; | |
2921 | 320 |
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321 octave::unwind_protect frame; |
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323 frame.protect_var (discard_error_messages); |
4143 | 324 |
325 discard_error_messages = true; | |
326 | |
3968 | 327 octave_value tmp = eval_string (text, true, parse_status); |
328 | |
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329 frame.run (); |
4143 | 330 |
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331 retval = (tmp.is_defined () && tmp.isstruct ()); |
3968 | 332 } |
4179 | 333 #endif |
3968 | 334 |
335 return retval; | |
2921 | 336 } |
2796 | 337 |
5930 | 338 static octave_value |
339 do_isglobal (const octave_value_list& args) | |
593 | 340 { |
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341 if (args.length () != 1) |
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342 print_usage (); |
593 | 343 |
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344 if (! args(0).is_string ()) |
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345 error ("isglobal: NAME must be a string"); |
636 | 346 |
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347 std::string name = args(0).string_value (); |
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348 |
7336 | 349 return symbol_table::is_global (name); |
593 | 350 } |
351 | |
5930 | 352 DEFUN (isglobal, args, , |
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353 doc: /* -*- texinfo -*- |
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354 @deftypefn {} {} isglobal (@var{name}) |
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355 Return true if @var{name} is a globally visible variable. |
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356 |
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357 For example: |
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358 |
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359 @example |
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360 @group |
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361 global x |
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362 isglobal ("x") |
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363 @result{} 1 |
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364 @end group |
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365 @end example |
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366 @seealso{isvarname, exist} |
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367 @end deftypefn */) |
5930 | 368 { |
369 return do_isglobal (args); | |
370 } | |
371 | |
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372 /* |
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373 %!test |
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374 %! global x; |
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375 %! assert (isglobal ("x"), true); |
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376 |
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377 %!error isglobal () |
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378 %!error isglobal ("a", "b") |
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379 %!error isglobal (1) |
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380 */ |
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381 |
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382 static int |
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383 symbol_exist (const std::string& name, const std::string& type = "any") |
593 | 384 { |
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385 if (octave::is_keyword (name)) |
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386 return 0; |
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387 |
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388 bool search_any = type == "any"; |
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389 bool search_var = type == "var"; |
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390 bool search_dir = type == "dir"; |
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391 bool search_file = type == "file"; |
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392 bool search_builtin = type == "builtin"; |
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393 bool search_class = type == "class"; |
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394 |
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395 if (! (search_any || search_var || search_dir || search_file || |
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396 search_builtin || search_class)) |
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397 error ("exist: unrecognized type argument \"%s\"", type.c_str ()); |
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398 |
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399 if (search_any || search_var) |
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400 { |
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401 octave_value val = symbol_table::varval (name); |
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402 |
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403 if (val.is_constant () || val.is_object () |
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404 || val.is_function_handle () |
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405 || val.is_anonymous_function () |
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406 || val.is_inline_function ()) |
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407 return 1; |
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408 |
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409 if (search_var) |
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410 return 0; |
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411 } |
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412 |
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413 // We shouldn't need to look in the global symbol table, since any name |
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414 // that is visible in the current scope will be in the local symbol table. |
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415 |
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416 // Command line function which Matlab does not support |
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417 if (search_any) |
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418 { |
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419 octave_value val = symbol_table::find_cmdline_function (name); |
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420 |
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421 if (val.is_defined ()) |
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422 return 103; |
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423 } |
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424 |
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425 if (search_any || search_file || search_dir) |
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426 { |
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427 std::string file_name = octave::lookup_autoload (name); |
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428 |
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429 if (file_name.empty ()) |
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430 { |
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431 octave::load_path& lp = octave::__get_load_path__ ("symbol_exist"); |
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432 |
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433 file_name = lp.find_fcn (name); |
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434 } |
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435 |
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436 size_t len = file_name.length (); |
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437 |
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438 if (len > 0) |
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439 { |
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440 if (search_any || search_file) |
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441 { |
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442 if (len > 4 && (file_name.substr (len-4) == ".oct" |
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443 || file_name.substr (len-4) == ".mex")) |
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444 return 3; |
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445 else |
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446 return 2; |
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447 } |
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448 } |
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449 |
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450 file_name = file_in_path (name, ""); |
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451 |
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452 if (file_name.empty ()) |
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453 file_name = name; |
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454 |
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455 octave::sys::file_stat fs (file_name); |
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456 |
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457 if (fs) |
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458 { |
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459 if (search_any || search_file) |
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460 { |
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461 if (fs.is_dir ()) |
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462 return 7; |
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463 |
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464 len = file_name.length (); |
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465 |
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466 if (len > 4 && (file_name.substr (len-4) == ".oct" |
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467 || file_name.substr (len-4) == ".mex")) |
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468 return 3; |
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469 else |
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470 return 2; |
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471 } |
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472 else if (search_dir && fs.is_dir ()) |
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473 return 7; |
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474 } |
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475 |
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476 if (search_file || search_dir) |
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477 return 0; |
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478 } |
1277 | 479 |
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480 if (search_any || search_builtin) |
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481 { |
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482 if (symbol_table::is_built_in_function_name (name)) |
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483 return 5; |
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484 |
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485 if (search_builtin) |
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486 return 0; |
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487 } |
4016 | 488 |
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489 return 0; |
593 | 490 } |
491 | |
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492 #define GET_IDX(LEN) \ |
4962 | 493 static_cast<int> ((LEN-1) * static_cast<double> (rand ()) / RAND_MAX) |
494 | |
4954 | 495 std::string |
496 unique_symbol_name (const std::string& basename) | |
497 { | |
4962 | 498 static const std::string alpha |
499 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; | |
500 | |
501 static size_t len = alpha.length (); | |
502 | |
503 std::string nm = basename + alpha[GET_IDX (len)]; | |
504 | |
505 size_t pos = nm.length (); | |
506 | |
507 if (nm.substr (0, 2) == "__") | |
508 nm.append ("__"); | |
509 | |
510 while (symbol_exist (nm, "any")) | |
511 nm.insert (pos++, 1, alpha[GET_IDX (len)]); | |
512 | |
513 return nm; | |
4954 | 514 } |
515 | |
4016 | 516 DEFUN (exist, args, , |
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517 doc: /* -*- texinfo -*- |
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518 @deftypefn {} {@var{c} =} exist (@var{name}) |
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519 @deftypefnx {} {@var{c} =} exist (@var{name}, @var{type}) |
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520 Check for the existence of @var{name} as a variable, function, file, |
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521 directory, or class. |
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522 |
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523 The return code @var{c} is one of |
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524 |
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525 @table @asis |
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526 @item 1 |
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527 @var{name} is a variable. |
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528 |
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529 @item 2 |
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530 @var{name} is an absolute filename, an ordinary file in Octave's |
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531 @code{path}, or (after appending @samp{.m}) a function file in Octave's |
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532 @code{path}. |
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533 |
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534 @item 3 |
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535 @var{name} is a @samp{.oct} or @samp{.mex} file in Octave's @code{path}. |
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536 |
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537 @item 5 |
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538 @var{name} is a built-in function. |
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539 |
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540 @item 7 |
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541 @var{name} is a directory. |
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542 |
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543 @item 103 |
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544 @var{name} is a function not associated with a file (entered on the command |
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545 line). |
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546 |
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547 @item 0 |
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548 @var{name} does not exist. |
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549 @end table |
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550 |
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551 If the optional argument @var{type} is supplied, check only for symbols of |
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552 the specified type. Valid types are |
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553 |
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554 @table @asis |
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555 @item @qcode{"var"} |
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556 Check only for variables. |
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557 |
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558 @item @qcode{"builtin"} |
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559 Check only for built-in functions. |
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560 |
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561 @item @qcode{"dir"} |
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562 Check only for directories. |
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563 |
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564 @item @qcode{"file"} |
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565 Check only for files and directories. |
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566 |
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567 @item @qcode{"class"} |
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568 Check only for classes. (Note: This option is accepted, but not currently |
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569 implemented) |
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570 @end table |
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571 |
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572 If no type is given, and there are multiple possible matches for name, |
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573 @code{exist} will return a code according to the following priority list: |
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574 variable, built-in function, oct-file, directory, file, class. |
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575 |
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576 @code{exist} returns 2 if a regular file called @var{name} is present in |
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577 Octave's search path. If you want information about other types of files |
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578 not on the search path you should use some combination of the functions |
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579 @code{file_in_path} and @code{stat} instead. |
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580 |
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581 Programming Note: If @var{name} is implemented by a buggy .oct/.mex file, |
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582 calling @var{exist} may cause Octave to crash. To maintain high |
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583 performance, Octave trusts .oct/.mex files instead of @nospell{sandboxing} |
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584 them. |
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585 |
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586 @seealso{file_in_loadpath, file_in_path, dir_in_loadpath, stat} |
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587 @end deftypefn */) |
4016 | 588 { |
589 int nargin = args.length (); | |
590 | |
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591 if (nargin < 1 || nargin > 2) |
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592 print_usage (); |
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593 |
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594 std::string name = args(0).xstring_value ("exist: NAME must be a string"); |
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595 |
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596 if (nargin == 2) |
4016 | 597 { |
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598 std::string type = args(1).xstring_value ("exist: TYPE must be a string"); |
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599 |
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600 if (type == "class") |
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601 warning ("exist: \"class\" type argument is not implemented"); |
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602 |
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603 return ovl (symbol_exist (name, type)); |
4016 | 604 } |
605 else | |
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606 return ovl (symbol_exist (name)); |
4016 | 607 } |
608 | |
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609 /* |
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610 %!shared dirtmp, __var1 |
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611 %! dirtmp = P_tmpdir (); |
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612 %! __var1 = 1; |
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613 |
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614 %!assert (exist ("__%Highly_unlikely_name%__"), 0) |
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615 %!assert (exist ("__var1"), 1) |
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616 %!assert (exist ("__var1", "var"), 1) |
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617 %!assert (exist ("__var1", "builtin"), 0) |
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618 %!assert (exist ("__var1", "dir"), 0) |
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619 %!assert (exist ("__var1", "file"), 0) |
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620 |
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621 %!test |
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622 %! if (isunix ()) |
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623 %! assert (exist ("/bin/sh"), 2); |
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624 %! assert (exist ("/bin/sh", "file"), 2); |
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625 %! assert (exist ("/bin/sh", "dir"), 0); |
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626 %! assert (exist ("/dev/null"), 2); |
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627 %! assert (exist ("/dev/null", "file"), 2); |
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628 %! assert (exist ("/dev/null", "dir"), 0); |
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629 %! endif |
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630 |
19750
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631 %!assert (exist ("print_usage"), 2) |
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632 %!assert (exist ("print_usage.m"), 2) |
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633 %!assert (exist ("print_usage", "file"), 2) |
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634 %!assert (exist ("print_usage", "dir"), 0) |
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635 |
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636 ## Don't search path for rooted relative filenames |
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637 %!assert (exist ("plot.m", "file"), 2) |
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638 %!assert (exist ("./plot.m", "file"), 0) |
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639 %!assert (exist ("./%nonexistentfile%", "file"), 0) |
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640 %!assert (exist ("%nonexistentfile%", "file"), 0) |
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641 |
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642 ## Don't search path for absolute filenames |
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643 %!test |
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644 %! tname = tempname (pwd ()); |
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645 %! unwind_protect |
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646 %! ## open/close file to create it, equivalent of touch |
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647 %! fid = fopen (tname, "w"); |
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648 %! fclose (fid); |
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649 %! [~, fname] = fileparts (tname); |
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650 %! assert (exist (fullfile (pwd (), fname), "file"), 2); |
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651 %! unwind_protect_cleanup |
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652 %! unlink (tname); |
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653 %! end_unwind_protect |
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654 %! assert (exist (fullfile (pwd (), "%nonexistentfile%"), "file"), 0); |
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655 |
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656 %!testif HAVE_CHOLMOD |
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657 %! assert (exist ("chol"), 3); |
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658 %! assert (exist ("chol.oct"), 3); |
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659 %! assert (exist ("chol", "file"), 3); |
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660 %! assert (exist ("chol", "builtin"), 0); |
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661 |
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662 %!assert (exist ("sin"), 5) |
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663 %!assert (exist ("sin", "builtin"), 5) |
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664 %!assert (exist ("sin", "file"), 0) |
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665 |
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666 %!assert (exist (dirtmp), 7) |
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667 %!assert (exist (dirtmp, "dir"), 7) |
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668 %!assert (exist (dirtmp, "file"), 7) |
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669 |
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670 %!error exist () |
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671 %!error exist (1,2,3) |
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672 %!warning <"class" type argument is not implemented> exist ("a", "class"); |
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673 %!error <TYPE must be a string> exist ("a", 1) |
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674 %!error <NAME must be a string> exist (1) |
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675 %!error <unrecognized type argument "foobar"> exist ("a", "foobar") |
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676 |
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677 */ |
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678 |
2849 | 679 octave_value |
4988 | 680 lookup_function_handle (const std::string& nm) |
681 { | |
7336 | 682 octave_value val = symbol_table::varval (nm); |
683 | |
684 return val.is_function_handle () ? val : octave_value (); | |
4988 | 685 } |
686 | |
687 octave_value | |
5027 | 688 get_global_value (const std::string& nm, bool silent) |
2849 | 689 { |
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690 octave_value val = symbol_table::global_varval (nm); |
7336 | 691 |
692 if (val.is_undefined () && ! silent) | |
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693 error ("get_global_value: undefined symbol '%s'", nm.c_str ()); |
7336 | 694 |
695 return val; | |
2849 | 696 } |
697 | |
698 void | |
3523 | 699 set_global_value (const std::string& nm, const octave_value& val) |
2849 | 700 { |
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701 symbol_table::global_assign (nm, val); |
2849 | 702 } |
703 | |
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704 octave_value |
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705 get_top_level_value (const std::string& nm, bool silent) |
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706 { |
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707 octave_value val = symbol_table::top_level_varval (nm); |
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708 |
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709 if (val.is_undefined () && ! silent) |
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710 error ("get_top_level_value: undefined symbol '%s'", nm.c_str ()); |
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changeset
|
711 |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
712 return val; |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
713 } |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
714 |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
715 void |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
716 set_top_level_value (const std::string& nm, const octave_value& val) |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
717 { |
16442
302157614308
deprecate symbol_table::varref functions
John W. Eaton <jwe@octave.org>
parents:
15807
diff
changeset
|
718 symbol_table::top_level_assign (nm, val); |
10071
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
719 } |
e42b1bbd1052
variables.cc (get_top_level_value, set_top_level_value): new functions
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
720 |
593 | 721 // Variable values. |
195 | 722 |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
723 static bool |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
724 wants_local_change (const octave_value_list& args, int& nargin) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
725 { |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
726 bool retval = false; |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
727 |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
728 if (nargin == 2) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
729 { |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
730 if (! args(1).is_string () || args(1).string_value () != "local") |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
731 error_with_cfn ("second argument must be \"local\""); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
732 |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
733 nargin = 1; |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
734 retval = true; |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
735 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
736 |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
737 return retval; |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
738 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
739 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21123
diff
changeset
|
740 template <typename T> |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
741 bool try_local_protect (T& var) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
742 { |
23553
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents:
23466
diff
changeset
|
743 octave::call_stack& cs = octave::__get_call_stack__ ("try_local_protect"); |
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents:
23466
diff
changeset
|
744 |
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents:
23466
diff
changeset
|
745 octave_user_code *curr_usr_code = cs.caller_user_code (); |
23457
21baad6b35c4
maint: Use C++11 nullptr rather than 0 or NULL when possible.
Rik <rik@octave.org>
parents:
23450
diff
changeset
|
746 octave_user_function *curr_usr_fcn = nullptr; |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
747 if (curr_usr_code && curr_usr_code->is_user_function ()) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
748 curr_usr_fcn = dynamic_cast<octave_user_function *> (curr_usr_code); |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
749 |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
750 if (curr_usr_fcn && curr_usr_fcn->local_protect (var)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
751 return true; |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
752 else |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
753 return false; |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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parents:
10521
diff
changeset
|
754 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
755 |
5791 | 756 octave_value |
757 set_internal_variable (bool& var, const octave_value_list& args, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
758 int nargout, const char *nm) |
5791 | 759 { |
5794 | 760 octave_value retval; |
761 | |
5800 | 762 int nargin = args.length (); |
763 | |
764 if (nargout > 0 || nargin == 0) | |
5794 | 765 retval = var; |
5791 | 766 |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
767 if (wants_local_change (args, nargin)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
768 { |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
769 if (! try_local_protect (var)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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parents:
10521
diff
changeset
|
770 warning ("\"local\" has no effect outside a function"); |
9cd5aa83fa62
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Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
771 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
772 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
773 if (nargin > 1) |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
774 print_usage (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
775 |
5791 | 776 if (nargin == 1) |
777 { | |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20704
diff
changeset
|
778 bool bval = args(0).xbool_value ("%s: argument must be a logical value", nm); |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
779 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
780 var = bval; |
5791 | 781 } |
782 | |
783 return retval; | |
784 } | |
785 | |
786 octave_value | |
5794 | 787 set_internal_variable (char& var, const octave_value_list& args, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
788 int nargout, const char *nm) |
5791 | 789 { |
5794 | 790 octave_value retval; |
791 | |
5800 | 792 int nargin = args.length (); |
793 | |
794 if (nargout > 0 || nargin == 0) | |
5794 | 795 retval = var; |
5791 | 796 |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
797 if (wants_local_change (args, nargin)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
798 { |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
799 if (! try_local_protect (var)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
800 warning ("\"local\" has no effect outside a function"); |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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parents:
10521
diff
changeset
|
801 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
802 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
803 if (nargin > 1) |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
804 print_usage (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
805 |
5791 | 806 if (nargin == 1) |
807 { | |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20581
diff
changeset
|
808 std::string sval = args(0).xstring_value ("%s: argument must be a single character", nm); |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
809 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
810 switch (sval.length ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
811 { |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
812 case 1: |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
813 var = sval[0]; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
814 break; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
815 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
816 case 0: |
fd0efcdb3718
use new string_value method to handle value extraction errors
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parents:
20556
diff
changeset
|
817 var = '\0'; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
818 break; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
819 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
820 default: |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
821 error ("%s: argument must be a single character", nm); |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
822 break; |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
823 } |
5794 | 824 } |
825 | |
826 return retval; | |
827 } | |
828 | |
829 octave_value | |
830 set_internal_variable (int& var, const octave_value_list& args, | |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
831 int nargout, const char *nm, |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
832 int minval, int maxval) |
5794 | 833 { |
834 octave_value retval; | |
835 | |
5800 | 836 int nargin = args.length (); |
837 | |
838 if (nargout > 0 || nargin == 0) | |
5794 | 839 retval = var; |
840 | |
10637
9cd5aa83fa62
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Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
841 if (wants_local_change (args, nargin)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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10521
diff
changeset
|
842 { |
9cd5aa83fa62
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diff
changeset
|
843 if (! try_local_protect (var)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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parents:
10521
diff
changeset
|
844 warning ("\"local\" has no effect outside a function"); |
9cd5aa83fa62
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Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
845 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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parents:
10521
diff
changeset
|
846 |
20939
b17fda023ca6
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Rik <rik@octave.org>
parents:
20925
diff
changeset
|
847 if (nargin > 1) |
b17fda023ca6
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20925
diff
changeset
|
848 print_usage (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
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20925
diff
changeset
|
849 |
5794 | 850 if (nargin == 1) |
851 { | |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20704
diff
changeset
|
852 int ival = args(0).xint_value ("%s: argument must be an integer value", nm); |
20704
571508c1ed06
eliminate more uses of error_state
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parents:
20700
diff
changeset
|
853 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
854 if (ival < minval) |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20704
diff
changeset
|
855 error ("%s: arg must be greater than %d", nm, minval); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
856 if (ival > maxval) |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
857 error ("%s: arg must be less than or equal to %d", nm, maxval); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
858 |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
859 var = ival; |
5794 | 860 } |
861 | |
862 return retval; | |
863 } | |
864 | |
865 octave_value | |
866 set_internal_variable (double& var, const octave_value_list& args, | |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
867 int nargout, const char *nm, |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
868 double minval, double maxval) |
5794 | 869 { |
870 octave_value retval; | |
871 | |
5800 | 872 int nargin = args.length (); |
873 | |
874 if (nargout > 0 || nargin == 0) | |
5794 | 875 retval = var; |
876 | |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
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10521
diff
changeset
|
877 if (wants_local_change (args, nargin)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
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10521
diff
changeset
|
878 { |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
879 if (! try_local_protect (var)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
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parents:
10521
diff
changeset
|
880 warning ("\"local\" has no effect outside a function"); |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
881 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
882 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
883 if (nargin > 1) |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
884 print_usage (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
885 |
5794 | 886 if (nargin == 1) |
887 { | |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20704
diff
changeset
|
888 double dval = args(0).xscalar_value ("%s: argument must be a scalar value", nm); |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
889 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20700
diff
changeset
|
890 if (dval < minval) |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20704
diff
changeset
|
891 error ("%s: argument must be greater than %g", minval); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
892 if (dval > maxval) |
20711
7b608fadc663
Make error messages more specific about the variable and problem encountered.
Rik <rik@octave.org>
parents:
20704
diff
changeset
|
893 error ("%s: argument must be less than or equal to %g", maxval); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
894 |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
895 var = dval; |
5794 | 896 } |
897 | |
898 return retval; | |
899 } | |
900 | |
901 octave_value | |
902 set_internal_variable (std::string& var, const octave_value_list& args, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
903 int nargout, const char *nm, bool empty_ok) |
5794 | 904 { |
905 octave_value retval; | |
906 | |
5800 | 907 int nargin = args.length (); |
908 | |
909 if (nargout > 0 || nargin == 0) | |
5794 | 910 retval = var; |
911 | |
10637
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
912 if (wants_local_change (args, nargin)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
913 { |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
914 if (! try_local_protect (var)) |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
915 warning ("\"local\" has no effect outside a function"); |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
916 } |
9cd5aa83fa62
implement 'local' parameter to pseudo-variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10521
diff
changeset
|
917 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
918 if (nargin > 1) |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
919 print_usage (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
920 |
5794 | 921 if (nargin == 1) |
922 { | |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20581
diff
changeset
|
923 std::string sval = args(0).xstring_value ("%s: first argument must be a string", nm); |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
924 |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
925 if (! empty_ok && sval.empty ()) |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
926 error ("%s: value must not be empty", nm); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
927 |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
928 var = sval; |
5791 | 929 } |
1 | 930 |
931 return retval; | |
932 } | |
933 | |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
934 octave_value |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
935 set_internal_variable (int& var, const octave_value_list& args, |
10640
5c594472f75e
determine string enum length by trailing null rather than sizeof
Jaroslav Hajek <highegg@gmail.com>
parents:
10638
diff
changeset
|
936 int nargout, const char *nm, const char **choices) |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
937 { |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
938 octave_value retval; |
10640
5c594472f75e
determine string enum length by trailing null rather than sizeof
Jaroslav Hajek <highegg@gmail.com>
parents:
10638
diff
changeset
|
939 int nchoices = 0; |
5c594472f75e
determine string enum length by trailing null rather than sizeof
Jaroslav Hajek <highegg@gmail.com>
parents:
10638
diff
changeset
|
940 while (choices[nchoices] != 0) |
5c594472f75e
determine string enum length by trailing null rather than sizeof
Jaroslav Hajek <highegg@gmail.com>
parents:
10638
diff
changeset
|
941 nchoices++; |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
942 |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
943 int nargin = args.length (); |
20799
c349d4c91ce2
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20769
diff
changeset
|
944 |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
945 assert (var < nchoices); |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
946 |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
947 if (nargout > 0 || nargin == 0) |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
948 retval = choices[var]; |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
949 |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
950 if (wants_local_change (args, nargin)) |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
951 { |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
952 if (! try_local_protect (var)) |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
953 warning ("\"local\" has no effect outside a function"); |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
954 } |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
955 |
20939
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
956 if (nargin > 1) |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
957 print_usage (); |
b17fda023ca6
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20925
diff
changeset
|
958 |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
959 if (nargin == 1) |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
960 { |
20700
68e3a747ca02
rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents:
20581
diff
changeset
|
961 std::string sval = args(0).xstring_value ("%s: first argument must be a string", nm); |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
962 |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
963 int i = 0; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
964 for (; i < nchoices; i++) |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
965 { |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
966 if (sval == choices[i]) |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
967 { |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
968 var = i; |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
969 break; |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
970 } |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
971 } |
20581
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
972 if (i == nchoices) |
fd0efcdb3718
use new string_value method to handle value extraction errors
John W. Eaton <jwe@octave.org>
parents:
20556
diff
changeset
|
973 error ("%s: value not allowed (\"%s\")", nm, sval.c_str ()); |
10638
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
974 } |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
975 |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
976 return retval; |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
977 } |
e1559a8a60b4
general mechanism for string enum variables
Jaroslav Hajek <highegg@gmail.com>
parents:
10637
diff
changeset
|
978 |
21272
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
979 octave_value |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
980 set_internal_variable (std::string& var, const octave_value_list& args, |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
981 int nargout, const char *nm, const char **choices) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
982 { |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
983 octave_value retval; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
984 int nchoices = 0; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
985 while (choices[nchoices] != 0) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
986 nchoices++; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
987 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
988 int nargin = args.length (); |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
989 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
990 if (nargout > 0 || nargin == 0) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
991 retval = var; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
992 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
993 if (wants_local_change (args, nargin)) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
994 { |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
995 if (! try_local_protect (var)) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
996 warning ("\"local\" has no effect outside a function"); |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
997 } |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
998 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
999 if (nargin > 1) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1000 print_usage (); |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1001 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1002 if (nargin == 1) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1003 { |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1004 std::string sval = args(0).xstring_value ("%s: first argument must be a string", nm); |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1005 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1006 int i = 0; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1007 for (; i < nchoices; i++) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1008 { |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1009 if (sval == choices[i]) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1010 { |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1011 var = sval; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1012 break; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1013 } |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1014 } |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1015 if (i == nchoices) |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1016 error ("%s: value not allowed (\"%s\")", nm, sval.c_str ()); |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1017 } |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1018 |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1019 return retval; |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1020 } |
987c1a79d33f
new set_internal_variable variant
John W. Eaton <jwe@octave.org>
parents:
21224
diff
changeset
|
1021 |
7336 | 1022 struct |
1023 whos_parameter | |
195 | 1024 { |
7336 | 1025 char command; |
1026 char modifier; | |
1027 int parameter_length; | |
1028 int first_parameter_length; | |
1029 int balance; | |
1030 std::string text; | |
1031 std::string line; | |
1032 }; | |
1033 | |
1034 static void | |
1035 print_descriptor (std::ostream& os, std::list<whos_parameter> params) | |
1036 { | |
1037 // This method prints a line of information on a given symbol | |
1038 std::list<whos_parameter>::iterator i = params.begin (); | |
1039 std::ostringstream param_buf; | |
1040 | |
17818
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1041 octave_preserve_stream_state stream_state (os); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1042 |
7336 | 1043 while (i != params.end ()) |
195 | 1044 { |
7336 | 1045 whos_parameter param = *i; |
1046 | |
1047 if (param.command != '\0') | |
1048 { | |
10315
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|
1049 // Do the actual printing |
57a59eae83cc
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|
1050 switch (param.modifier) |
57a59eae83cc
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|
1051 { |
57a59eae83cc
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|
1052 case 'l': |
17787
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|
1053 os << std::setiosflags (std::ios::left) |
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|
1054 << std::setw (param.parameter_length); |
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diff
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|
1055 param_buf << std::setiosflags (std::ios::left) |
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diff
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|
1056 << std::setw (param.parameter_length); |
10315
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|
1057 break; |
7336 | 1058 |
10315
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untabify src C++ source files
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|
1059 case 'r': |
17787
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|
1060 os << std::setiosflags (std::ios::right) |
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|
1061 << std::setw (param.parameter_length); |
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|
1062 param_buf << std::setiosflags (std::ios::right) |
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|
1063 << std::setw (param.parameter_length); |
10315
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|
1064 break; |
7336 | 1065 |
10315
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|
1066 case 'c': |
57a59eae83cc
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|
1067 if (param.command != 's') |
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|
1068 { |
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|
1069 os << std::setiosflags (std::ios::left) |
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|
1070 << std::setw (param.parameter_length); |
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|
1071 param_buf << std::setiosflags (std::ios::left) |
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|
1072 << std::setw (param.parameter_length); |
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|
1073 } |
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|
1074 break; |
7336 | 1075 |
10315
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|
1076 default: |
17787
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|
1077 os << std::setiosflags (std::ios::left) |
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|
1078 << std::setw (param.parameter_length); |
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|
1079 param_buf << std::setiosflags (std::ios::left) |
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|
1080 << std::setw (param.parameter_length); |
10315
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|
1081 } |
7336 | 1082 |
10315
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|
1083 if (param.command == 's' && param.modifier == 'c') |
57a59eae83cc
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|
1084 { |
57a59eae83cc
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|
1085 int a, b; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1086 |
10315
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|
1087 if (param.modifier == 'c') |
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|
1088 { |
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|
1089 a = param.first_parameter_length - param.balance; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1090 a = (a < 0 ? 0 : a); |
21751
b571fc85953f
maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents:
21743
diff
changeset
|
1091 b = param.parameter_length - a - param.text.length (); |
10315
57a59eae83cc
untabify src C++ source files
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|
1092 b = (b < 0 ? 0 : b); |
57a59eae83cc
untabify src C++ source files
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|
1093 os << std::setiosflags (std::ios::left) << std::setw (a) |
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|
1094 << "" << std::resetiosflags (std::ios::left) << param.text |
57a59eae83cc
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|
1095 << std::setiosflags (std::ios::left) |
57a59eae83cc
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|
1096 << std::setw (b) << "" |
57a59eae83cc
untabify src C++ source files
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|
1097 << std::resetiosflags (std::ios::left); |
17787
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diff
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|
1098 param_buf << std::setiosflags (std::ios::left) |
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changeset
|
1099 << std::setw (a) |
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|
1100 << "" << std::resetiosflags (std::ios::left) |
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|
1101 << param.line |
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|
1102 << std::setiosflags (std::ios::left) |
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|
1103 << std::setw (b) << "" |
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|
1104 << std::resetiosflags (std::ios::left); |
10315
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|
1105 } |
57a59eae83cc
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|
1106 } |
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|
1107 else |
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|
1108 { |
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|
1109 os << param.text; |
57a59eae83cc
untabify src C++ source files
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|
1110 param_buf << param.line; |
57a59eae83cc
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|
1111 } |
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|
1112 os << std::resetiosflags (std::ios::left) |
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|
1113 << std::resetiosflags (std::ios::right); |
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changeset
|
1114 param_buf << std::resetiosflags (std::ios::left) |
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|
1115 << std::resetiosflags (std::ios::right); |
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|
1116 i++; |
57a59eae83cc
untabify src C++ source files
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|
1117 } |
7336 | 1118 else |
10315
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|
1119 { |
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|
1120 os << param.text; |
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untabify src C++ source files
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|
1121 param_buf << param.line; |
57a59eae83cc
untabify src C++ source files
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|
1122 i++; |
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|
1123 } |
195 | 1124 } |
7336 | 1125 |
1126 os << param_buf.str (); | |
195 | 1127 } |
1128 | |
17787
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changeset
|
1129 // FIXME: This is a bit of a kluge. We'd like to just use val.dims() |
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John W. Eaton <jwe@octave.org>
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diff
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|
1130 // and if val is an object, expect that dims will call size if it is |
bb413c0d0d6d
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|
1131 // overloaded by a user-defined method. But there are currently some |
bb413c0d0d6d
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1132 // unresolved const issues that prevent that solution from working. |
19718
675d92e7d507
Temporary workaround for user-defined object sizes reported as 1x1 in GUI (bug #43096)
Colin Macdonald <cbm@m.fsf.org>
parents:
19697
diff
changeset
|
1133 // This same kluge is done in symtab.cc (do_workspace_info), fix there too. |
9704
bb413c0d0d6d
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changeset
|
1134 |
bb413c0d0d6d
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diff
changeset
|
1135 std::string |
bb413c0d0d6d
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changeset
|
1136 get_dims_str (const octave_value& val) |
bb413c0d0d6d
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|
1137 { |
bb413c0d0d6d
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changeset
|
1138 octave_value tmp = val; |
bb413c0d0d6d
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|
1139 |
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changeset
|
1140 Matrix sz = tmp.size (); |
bb413c0d0d6d
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diff
changeset
|
1141 |
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
1142 dim_vector dv = dim_vector::alloc (sz.numel ()); |
9704
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changeset
|
1143 |
21660
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
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21580
diff
changeset
|
1144 for (octave_idx_type i = 0; i < dv.ndims (); i++) |
9704
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|
1145 dv(i) = sz(i); |
bb413c0d0d6d
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|
1146 |
bb413c0d0d6d
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diff
changeset
|
1147 return dv.str (); |
bb413c0d0d6d
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|
1148 } |
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|
1149 |
7586
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diff
changeset
|
1150 class |
84122fb29c75
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diff
changeset
|
1151 symbol_info_list |
593 | 1152 { |
7586
84122fb29c75
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diff
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|
1153 private: |
84122fb29c75
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diff
changeset
|
1154 struct symbol_info |
84122fb29c75
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7531
diff
changeset
|
1155 { |
84122fb29c75
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7531
diff
changeset
|
1156 symbol_info (const symbol_table::symbol_record& sr, |
21017
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
20957
diff
changeset
|
1157 const std::string& expr_str = "", |
10315
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|
1158 const octave_value& expr_val = octave_value ()) |
7586
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|
1159 : name (expr_str.empty () ? sr.name () : expr_str), |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1160 varval (expr_val.is_undefined () ? sr.varval () : expr_val), |
10315
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untabify src C++ source files
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|
1161 is_automatic (sr.is_automatic ()), |
23581
c3075ae020e1
maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
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23578
diff
changeset
|
1162 is_complex (varval.iscomplex ()), |
10315
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|
1163 is_formal (sr.is_formal ()), |
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changeset
|
1164 is_global (sr.is_global ()), |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1165 is_persistent (sr.is_persistent ()) |
7586
84122fb29c75
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diff
changeset
|
1166 { } |
84122fb29c75
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|
1167 |
84122fb29c75
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changeset
|
1168 void display_line (std::ostream& os, |
10315
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|
1169 const std::list<whos_parameter>& params) const |
593 | 1170 { |
9704
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|
1171 std::string dims_str = get_dims_str (varval); |
7586
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|
1172 |
84122fb29c75
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|
1173 std::list<whos_parameter>::const_iterator i = params.begin (); |
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|
1174 |
17818
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1175 octave_preserve_stream_state stream_state (os); |
f1b59ef34eda
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17787
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|
1176 |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1177 while (i != params.end ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1178 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1179 whos_parameter param = *i; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1180 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1181 if (param.command != '\0') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1182 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1183 // Do the actual printing. |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1184 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1185 switch (param.modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1186 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1187 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1188 os << std::setiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1189 << std::setw (param.parameter_length); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1190 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1191 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1192 case 'r': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1193 os << std::setiosflags (std::ios::right) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1194 << std::setw (param.parameter_length); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1195 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1196 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1197 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1198 if (param.command == 's') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1199 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1200 int front = param.first_parameter_length |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17756
diff
changeset
|
1201 - dims_str.find ('x'); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1202 int back = param.parameter_length |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17756
diff
changeset
|
1203 - dims_str.length () |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17756
diff
changeset
|
1204 - front; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1205 front = (front > 0) ? front : 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1206 back = (back > 0) ? back : 0; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1207 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1208 os << std::setiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1209 << std::setw (front) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1210 << "" |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1211 << std::resetiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1212 << dims_str |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1213 << std::setiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1214 << std::setw (back) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1215 << "" |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1216 << std::resetiosflags (std::ios::left); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1217 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1218 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1219 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1220 os << std::setiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1221 << std::setw (param.parameter_length); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1222 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1223 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1224 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1225 default: |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1226 error ("whos_line_format: modifier '%c' unknown", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1227 param.modifier); |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1228 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1229 os << std::setiosflags (std::ios::right) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1230 << std::setw (param.parameter_length); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1231 } |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1232 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1233 switch (param.command) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1234 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1235 case 'a': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1236 { |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1237 char tmp[6]; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1238 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1239 tmp[0] = (is_automatic ? 'a' : ' '); |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1240 tmp[1] = (is_complex ? 'c' : ' '); |
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1241 tmp[2] = (is_formal ? 'f' : ' '); |
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1242 tmp[3] = (is_global ? 'g' : ' '); |
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1243 tmp[4] = (is_persistent ? 'p' : ' '); |
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1244 tmp[5] = 0; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1245 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1246 os << tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1247 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1248 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1249 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1250 case 'b': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1251 os << varval.byte_size (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1252 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1253 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1254 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1255 os << varval.class_name (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1256 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1257 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1258 case 'e': |
20229
5dfaaaae784f
Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents:
20206
diff
changeset
|
1259 os << varval.numel (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1260 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1261 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1262 case 'n': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1263 os << name; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1264 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1265 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1266 case 's': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1267 if (param.modifier != 'c') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1268 os << dims_str; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1269 break; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1270 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1271 case 't': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1272 os << varval.type_name (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1273 break; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11558
diff
changeset
|
1274 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1275 default: |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1276 error ("whos_line_format: command '%c' unknown", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1277 param.command); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1278 } |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1279 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1280 os << std::resetiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1281 << std::resetiosflags (std::ios::right); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1282 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1283 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1284 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1285 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1286 os << param.text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1287 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1288 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1289 } |
593 | 1290 } |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1291 |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1292 std::string name; |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1293 octave_value varval; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1294 bool is_automatic; |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1295 bool is_complex; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1296 bool is_formal; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1297 bool is_global; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1298 bool is_persistent; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1299 }; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1300 |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1301 public: |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1302 symbol_info_list (void) : lst () { } |
84122fb29c75
whos: handle index expressions
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1303 |
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1304 symbol_info_list (const symbol_info_list& sil) : lst (sil.lst) { } |
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1305 |
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1306 symbol_info_list& operator = (const symbol_info_list& sil) |
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1307 { |
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1308 if (this != &sil) |
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1309 lst = sil.lst; |
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|
1310 |
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1311 return *this; |
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1312 } |
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1313 |
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1314 ~symbol_info_list (void) = default; |
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1315 |
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1316 void append (const symbol_table::symbol_record& sr) |
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1317 { |
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1318 lst.push_back (symbol_info (sr)); |
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1319 } |
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1320 |
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1321 void append (const symbol_table::symbol_record& sr, |
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1322 const std::string& expr_str, |
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1323 const octave_value& expr_val) |
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1324 { |
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1325 lst.push_back (symbol_info (sr, expr_str, expr_val)); |
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1326 } |
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1327 |
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1328 size_t size (void) const { return lst.size (); } |
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1329 |
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1330 bool empty (void) const { return lst.empty (); } |
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1331 |
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1332 octave_map |
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1333 map_value (const std::string& caller_function_name, int nesting_level) const |
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1334 { |
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1335 size_t len = lst.size (); |
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1336 |
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1337 Cell name_info (len, 1); |
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1338 Cell size_info (len, 1); |
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1339 Cell bytes_info (len, 1); |
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1340 Cell class_info (len, 1); |
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1341 Cell global_info (len, 1); |
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1342 Cell sparse_info (len, 1); |
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1343 Cell complex_info (len, 1); |
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1344 Cell nesting_info (len, 1); |
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1345 Cell persistent_info (len, 1); |
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1346 |
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1347 std::list<symbol_info>::const_iterator p = lst.begin (); |
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1348 |
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1349 for (size_t j = 0; j < len; j++) |
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1350 { |
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1351 const symbol_info& si = *p++; |
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1352 |
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1353 octave_scalar_map ni; |
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1354 |
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1355 ni.assign ("function", caller_function_name); |
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1356 ni.assign ("level", nesting_level); |
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1357 |
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1358 name_info(j) = si.name; |
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1359 global_info(j) = si.is_global; |
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1360 persistent_info(j) = si.is_persistent; |
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1361 |
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1362 octave_value val = si.varval; |
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1363 |
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1364 size_info(j) = val.size (); |
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1365 bytes_info(j) = val.byte_size (); |
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1366 class_info(j) = val.class_name (); |
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|
1367 sparse_info(j) = val.issparse (); |
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1368 complex_info(j) = val.iscomplex (); |
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1369 nesting_info(j) = ni; |
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1370 } |
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1371 |
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1372 octave_map info; |
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1373 |
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1374 info.assign ("name", name_info); |
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1375 info.assign ("size", size_info); |
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1376 info.assign ("bytes", bytes_info); |
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1377 info.assign ("class", class_info); |
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1378 info.assign ("global", global_info); |
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1379 info.assign ("sparse", sparse_info); |
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1380 info.assign ("complex", complex_info); |
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1381 info.assign ("nesting", nesting_info); |
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1382 info.assign ("persistent", persistent_info); |
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1383 |
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1384 return info; |
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1385 } |
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|
1386 |
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1387 void display (std::ostream& os) |
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1388 { |
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1389 if (! lst.empty ()) |
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1390 { |
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1391 size_t bytes = 0; |
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1392 size_t elements = 0; |
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1393 |
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1394 std::list<whos_parameter> params = parse_whos_line_format (); |
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1395 |
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1396 print_descriptor (os, params); |
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1397 |
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1398 octave_stdout << "\n"; |
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1399 |
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maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
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1400 for (const auto& syminfo : lst) |
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1401 { |
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1402 syminfo.display_line (os, params); |
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1403 |
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|
1404 octave_value val = syminfo.varval; |
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1405 |
20229
5dfaaaae784f
Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
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|
1406 elements += val.numel (); |
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1407 bytes += val.byte_size (); |
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1408 } |
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1409 |
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1410 os << "\nTotal is " << elements |
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1411 << (elements == 1 ? " element" : " elements") |
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1412 << " using " << bytes << (bytes == 1 ? " byte" : " bytes") |
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1413 << "\n"; |
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1414 } |
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1415 } |
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1416 |
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1417 // Parse the string whos_line_format, and return a parameter list, |
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1418 // containing all information needed to print the given |
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1419 // attributes of the symbols. |
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1420 std::list<whos_parameter> parse_whos_line_format (void) |
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1421 { |
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1422 int idx; |
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1423 size_t format_len = Vwhos_line_format.length (); |
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1424 char garbage; |
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1425 std::list<whos_parameter> params; |
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1426 |
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John W. Eaton <jwe@octave.org>
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7531
diff
changeset
|
1427 size_t bytes1; |
84122fb29c75
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diff
changeset
|
1428 int elements1; |
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diff
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|
1429 |
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|
1430 std::string param_string = "abcenst"; |
84122fb29c75
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parents:
7531
diff
changeset
|
1431 Array<int> param_length (dim_vector (param_string.length (), 1)); |
84122fb29c75
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parents:
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diff
changeset
|
1432 Array<std::string> param_names (dim_vector (param_string.length (), 1)); |
84122fb29c75
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diff
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|
1433 size_t pos_a, pos_b, pos_c, pos_e, pos_n, pos_s, pos_t; |
84122fb29c75
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diff
changeset
|
1434 |
84122fb29c75
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diff
changeset
|
1435 pos_a = param_string.find ('a'); // Attributes |
84122fb29c75
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1436 pos_b = param_string.find ('b'); // Bytes |
84122fb29c75
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diff
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|
1437 pos_c = param_string.find ('c'); // Class |
84122fb29c75
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diff
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|
1438 pos_e = param_string.find ('e'); // Elements |
84122fb29c75
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diff
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|
1439 pos_n = param_string.find ('n'); // Name |
84122fb29c75
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John W. Eaton <jwe@octave.org>
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diff
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|
1440 pos_s = param_string.find ('s'); // Size |
84122fb29c75
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diff
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|
1441 pos_t = param_string.find ('t'); // Type |
84122fb29c75
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diff
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|
1442 |
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|
1443 param_names(pos_a) = "Attr"; |
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diff
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|
1444 param_names(pos_b) = "Bytes"; |
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diff
changeset
|
1445 param_names(pos_c) = "Class"; |
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7531
diff
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|
1446 param_names(pos_e) = "Elements"; |
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diff
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|
1447 param_names(pos_n) = "Name"; |
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diff
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|
1448 param_names(pos_s) = "Size"; |
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diff
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|
1449 param_names(pos_t) = "Type"; |
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diff
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|
1450 |
84122fb29c75
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diff
changeset
|
1451 for (size_t i = 0; i < param_string.length (); i++) |
14861
f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
1452 param_length(i) = param_names(i).length (); |
7586
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diff
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|
1453 |
12651
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1454 // The attribute column needs size 5. |
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
changeset
|
1455 param_length(pos_a) = 5; |
332bb3b9600e
interpreter: Add new attribute 'complex' in whos (bug #32053)
Daniel Kraft <d@domob.eu>
parents:
12632
diff
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|
1456 |
7586
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diff
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|
1457 // Calculating necessary spacing for name column, |
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diff
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|
1458 // bytes column, elements column and class column |
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diff
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|
1459 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1460 for (const auto& syminfo : lst) |
7586
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|
1461 { |
10315
57a59eae83cc
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|
1462 std::stringstream ss1, ss2; |
57a59eae83cc
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diff
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|
1463 std::string str; |
7586
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diff
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|
1464 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
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|
1465 str = syminfo.name; |
10315
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|
1466 param_length(pos_n) = ((str.length () |
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|
1467 > static_cast<size_t> (param_length(pos_n))) |
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|
1468 ? str.length () : param_length(pos_n)); |
7586
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|
1469 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1470 octave_value val = syminfo.varval; |
7586
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|
1471 |
10315
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|
1472 str = val.type_name (); |
57a59eae83cc
untabify src C++ source files
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|
1473 param_length(pos_t) = ((str.length () |
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diff
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|
1474 > static_cast<size_t> (param_length(pos_t))) |
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|
1475 ? str.length () : param_length(pos_t)); |
7586
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diff
changeset
|
1476 |
20229
5dfaaaae784f
Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents:
20206
diff
changeset
|
1477 elements1 = val.numel (); |
10315
57a59eae83cc
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|
1478 ss1 << elements1; |
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|
1479 str = ss1.str (); |
57a59eae83cc
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|
1480 param_length(pos_e) = ((str.length () |
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|
1481 > static_cast<size_t> (param_length(pos_e))) |
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|
1482 ? str.length () : param_length(pos_e)); |
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|
1483 |
10315
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|
1484 bytes1 = val.byte_size (); |
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diff
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|
1485 ss2 << bytes1; |
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|
1486 str = ss2.str (); |
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|
1487 param_length(pos_b) = ((str.length () |
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|
1488 > static_cast<size_t> (param_length(pos_b))) |
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untabify src C++ source files
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|
1489 ? str.length () : param_length (pos_b)); |
7586
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diff
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|
1490 } |
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diff
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|
1491 |
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diff
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|
1492 idx = 0; |
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diff
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|
1493 while (static_cast<size_t> (idx) < format_len) |
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diff
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|
1494 { |
10315
57a59eae83cc
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10160
diff
changeset
|
1495 whos_parameter param; |
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untabify src C++ source files
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diff
changeset
|
1496 param.command = '\0'; |
7586
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diff
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|
1497 |
10315
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|
1498 if (Vwhos_line_format[idx] == '%') |
57a59eae83cc
untabify src C++ source files
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diff
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|
1499 { |
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|
1500 bool error_encountered = false; |
57a59eae83cc
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|
1501 param.modifier = 'r'; |
57a59eae83cc
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|
1502 param.parameter_length = 0; |
7586
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diff
changeset
|
1503 |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
18074
diff
changeset
|
1504 int a = 0; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
18074
diff
changeset
|
1505 int b = -1; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
18074
diff
changeset
|
1506 int balance = 1; |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1507 unsigned int items; |
57a59eae83cc
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diff
changeset
|
1508 size_t pos; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1509 std::string cmd; |
7586
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diff
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|
1510 |
10315
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|
1511 // Parse one command from whos_line_format |
57a59eae83cc
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diff
changeset
|
1512 cmd = Vwhos_line_format.substr (idx, Vwhos_line_format.length ()); |
57a59eae83cc
untabify src C++ source files
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|
1513 pos = cmd.find (';'); |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1514 if (pos == std::string::npos) |
10315
57a59eae83cc
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10160
diff
changeset
|
1515 error ("parameter without ; in whos_line_format"); |
7586
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diff
changeset
|
1516 |
21224
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1517 cmd = cmd.substr (0, pos+1); |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1518 |
10315
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diff
changeset
|
1519 idx += cmd.length (); |
7586
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diff
changeset
|
1520 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17756
diff
changeset
|
1521 // FIXME: use iostream functions instead of sscanf! |
7586
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|
1522 |
10315
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|
1523 if (cmd.find_first_of ("crl") != 1) |
57a59eae83cc
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diff
changeset
|
1524 items = sscanf (cmd.c_str (), "%c%c:%d:%d:%d;", |
57a59eae83cc
untabify src C++ source files
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changeset
|
1525 &garbage, ¶m.command, &a, &b, &balance); |
57a59eae83cc
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changeset
|
1526 else |
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changeset
|
1527 items = sscanf (cmd.c_str (), "%c%c%c:%d:%d:%d;", |
57a59eae83cc
untabify src C++ source files
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changeset
|
1528 &garbage, ¶m.modifier, ¶m.command, |
57a59eae83cc
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changeset
|
1529 &a, &b, &balance) - 1; |
7586
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changeset
|
1530 |
10315
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diff
changeset
|
1531 if (items < 2) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20819
diff
changeset
|
1532 error ("whos_line_format: parameter structure without command in whos_line_format"); |
7586
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diff
changeset
|
1533 |
10315
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changeset
|
1534 // Insert data into parameter |
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changeset
|
1535 param.first_parameter_length = 0; |
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changeset
|
1536 pos = param_string.find (param.command); |
21224
2e64b5899d1f
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Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1537 if (pos == std::string::npos) |
2e64b5899d1f
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Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1538 error ("whos_line_format: '%c' is not a command", param.command); |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1539 |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
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21200
diff
changeset
|
1540 param.parameter_length = param_length(pos); |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1541 param.text = param_names(pos); |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1542 param.line.assign (param_names(pos).length (), '='); |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1543 |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1544 param.parameter_length = (a > param.parameter_length |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1545 ? a : param.parameter_length); |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
1546 if (param.command == 's' && param.modifier == 'c' && b > 0) |
2e64b5899d1f
maint: invert if/else/error pattern in variables.cc
Rik <rik@octave.org>
parents:
21200
diff
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|
1547 param.first_parameter_length = b; |
7586
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|
1548 |
10315
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|
1549 if (param.command == 's') |
57a59eae83cc
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|
1550 { |
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|
1551 // Have to calculate space needed for printing |
57a59eae83cc
untabify src C++ source files
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|
1552 // matrix dimensions Space needed for Size column is |
57a59eae83cc
untabify src C++ source files
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|
1553 // hard to determine in prior, because it depends on |
21751
b571fc85953f
maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents:
21743
diff
changeset
|
1554 // dimensions to be shown. That is why it is |
10315
57a59eae83cc
untabify src C++ source files
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|
1555 // recalculated for each Size-command int first, |
57a59eae83cc
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|
1556 // rest = 0, total; |
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|
1557 int rest = 0; |
57a59eae83cc
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|
1558 int first = param.first_parameter_length; |
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|
1559 int total = param.parameter_length; |
7586
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diff
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|
1560 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1561 for (const auto& syminfo : lst) |
10315
57a59eae83cc
untabify src C++ source files
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|
1562 { |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
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|
1563 octave_value val = syminfo.varval; |
10315
57a59eae83cc
untabify src C++ source files
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diff
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|
1564 std::string dims_str = get_dims_str (val); |
57a59eae83cc
untabify src C++ source files
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|
1565 int first1 = dims_str.find ('x'); |
57a59eae83cc
untabify src C++ source files
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diff
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|
1566 int total1 = dims_str.length (); |
57a59eae83cc
untabify src C++ source files
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|
1567 int rest1 = total1 - first1; |
57a59eae83cc
untabify src C++ source files
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|
1568 rest = (rest1 > rest ? rest1 : rest); |
57a59eae83cc
untabify src C++ source files
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|
1569 first = (first1 > first ? first1 : first); |
57a59eae83cc
untabify src C++ source files
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|
1570 total = (total1 > total ? total1 : total); |
57a59eae83cc
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|
1571 } |
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|
1572 |
10315
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|
1573 if (param.modifier == 'c') |
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|
1574 { |
57a59eae83cc
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diff
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|
1575 if (first < balance) |
57a59eae83cc
untabify src C++ source files
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diff
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|
1576 first += balance - first; |
57a59eae83cc
untabify src C++ source files
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|
1577 if (rest + balance < param.parameter_length) |
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untabify src C++ source files
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diff
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|
1578 rest += param.parameter_length - rest - balance; |
7586
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diff
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|
1579 |
10315
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|
1580 param.parameter_length = first + rest; |
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|
1581 param.first_parameter_length = first; |
57a59eae83cc
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diff
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|
1582 param.balance = balance; |
57a59eae83cc
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|
1583 } |
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|
1584 else |
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|
1585 { |
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|
1586 param.parameter_length = total; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1587 param.first_parameter_length = 0; |
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diff
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|
1588 } |
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|
1589 } |
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untabify src C++ source files
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diff
changeset
|
1590 else if (param.modifier == 'c') |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20819
diff
changeset
|
1591 error ("whos_line_format: modifier 'c' not available for command '%c'", |
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
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20819
diff
changeset
|
1592 param.command); |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1593 |
10315
57a59eae83cc
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changeset
|
1594 // What happens if whos_line_format contains negative numbers |
57a59eae83cc
untabify src C++ source files
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|
1595 // at param_length positions? |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1596 param.balance = (b < 0 ? 0 : param.balance); |
23450
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents:
23445
diff
changeset
|
1597 param.first_parameter_length = (b < 0 |
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents:
23445
diff
changeset
|
1598 ? 0 |
855122b993da
maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents:
23445
diff
changeset
|
1599 : param.first_parameter_length); |
10315
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untabify src C++ source files
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|
1600 param.parameter_length = (a < 0 |
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|
1601 ? 0 |
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|
1602 : (param.parameter_length |
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untabify src C++ source files
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|
1603 < param_length(pos_s) |
57a59eae83cc
untabify src C++ source files
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|
1604 ? param_length(pos_s) |
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diff
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|
1605 : param.parameter_length)); |
7586
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diff
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|
1606 |
10315
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|
1607 // Parameter will not be pushed into parameter list if ... |
57a59eae83cc
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|
1608 if (! error_encountered) |
57a59eae83cc
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|
1609 params.push_back (param); |
57a59eae83cc
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|
1610 } |
57a59eae83cc
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diff
changeset
|
1611 else |
57a59eae83cc
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|
1612 { |
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|
1613 // Text string, to be printed as it is ... |
57a59eae83cc
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diff
changeset
|
1614 std::string text; |
57a59eae83cc
untabify src C++ source files
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diff
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|
1615 size_t pos; |
57a59eae83cc
untabify src C++ source files
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diff
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|
1616 text = Vwhos_line_format.substr (idx, Vwhos_line_format.length ()); |
57a59eae83cc
untabify src C++ source files
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|
1617 pos = text.find ('%'); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1618 if (pos != std::string::npos) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1619 text = text.substr (0, pos); |
7586
84122fb29c75
whos: handle index expressions
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diff
changeset
|
1620 |
10315
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diff
changeset
|
1621 // Push parameter into list ... |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1622 idx += text.length (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1623 param.text=text; |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14429
diff
changeset
|
1624 param.line.assign (text.length (), ' '); |
10315
57a59eae83cc
untabify src C++ source files
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diff
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|
1625 params.push_back (param); |
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diff
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|
1626 } |
7586
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diff
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|
1627 } |
84122fb29c75
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diff
changeset
|
1628 |
84122fb29c75
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7531
diff
changeset
|
1629 return params; |
84122fb29c75
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7531
diff
changeset
|
1630 } |
84122fb29c75
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7531
diff
changeset
|
1631 |
84122fb29c75
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diff
changeset
|
1632 private: |
84122fb29c75
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diff
changeset
|
1633 std::list<symbol_info> lst; |
84122fb29c75
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7531
diff
changeset
|
1634 |
84122fb29c75
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diff
changeset
|
1635 }; |
5659 | 1636 |
4435 | 1637 static octave_value |
23553
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1638 do_who (octave::interpreter& interp, int argc, const string_vector& argv, |
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1639 bool return_list, bool verbose = false, std::string msg = "") |
529 | 1640 { |
4435 | 1641 octave_value retval; |
529 | 1642 |
23553
14723784b9f2
don't use singleton for call_stack
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diff
changeset
|
1643 octave::call_stack& cs = interp.get_call_stack (); |
14723784b9f2
don't use singleton for call_stack
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|
1644 |
3523 | 1645 std::string my_name = argv[0]; |
584 | 1646 |
7336 | 1647 bool global_only = false; |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1648 bool have_regexp = false; |
7336 | 1649 |
1857 | 1650 int i; |
1651 for (i = 1; i < argc; i++) | |
529 | 1652 { |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
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7761
diff
changeset
|
1653 if (argv[i] == "-file") |
10315
57a59eae83cc
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changeset
|
1654 { |
17861
870f3e12e163
maint: Use phrase "FIXME:" for problem areas in code.
Rik <rik@octave.org>
parents:
17818
diff
changeset
|
1655 // FIXME: This is an inefficient manner to implement this as the |
10315
57a59eae83cc
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|
1656 // variables are loaded in to a temporary context and then treated. |
57a59eae83cc
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|
1657 // It would be better to refecat symbol_info_list to not store the |
57a59eae83cc
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changeset
|
1658 // symbol records and then use it in load-save.cc (do_load) to |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11558
diff
changeset
|
1659 // implement this option there so that the variables are never |
10315
57a59eae83cc
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|
1660 // stored at all. |
57a59eae83cc
untabify src C++ source files
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changeset
|
1661 if (i == argc - 1) |
20713
2469d78a1d8b
Consistently use 'filename' rather than 'file name' throughout code base.
Rik <rik@octave.org>
parents:
20711
diff
changeset
|
1662 error ("whos: -file argument must be followed by a filename"); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1663 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
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21017
diff
changeset
|
1664 std::string nm = argv[i + 1]; |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
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21017
diff
changeset
|
1665 |
21743
f4d7d0eb5b0c
use namespace for unwind_protect class
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21736
diff
changeset
|
1666 octave::unwind_protect frame; |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1667 |
5e00ed38a58b
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Rik <rik@octave.org>
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21017
diff
changeset
|
1668 // Set up temporary scope. |
5e00ed38a58b
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Rik <rik@octave.org>
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21017
diff
changeset
|
1669 |
5e00ed38a58b
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parents:
21017
diff
changeset
|
1670 symbol_table::scope_id tmp_scope = symbol_table::alloc_scope (); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1671 frame.add_fcn (symbol_table::erase_scope, tmp_scope); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1672 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1673 symbol_table::set_scope (tmp_scope); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
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21017
diff
changeset
|
1674 |
23553
14723784b9f2
don't use singleton for call_stack
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changeset
|
1675 cs.push (tmp_scope, 0); |
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
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23466
diff
changeset
|
1676 frame.add_method (cs, &octave::call_stack::pop); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1677 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1678 frame.add_fcn (symbol_table::clear_variables); |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1679 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23052
diff
changeset
|
1680 octave::feval ("load", octave_value (nm), 0); |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1681 |
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1682 std::string newmsg = std::string ("Variables in the file ") |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22333
diff
changeset
|
1683 + nm + ":\n\n"; |
21055
5e00ed38a58b
maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
1684 |
23553
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents:
23466
diff
changeset
|
1685 retval = do_who (interp, i, argv, return_list, verbose, newmsg); |
8131
10b63c4fd413
Add -file option to who/whos
David Bateman <dbateman@free.fr>
parents:
8083
diff
changeset
|
1686 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1687 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1688 } |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1689 else if (argv[i] == "-regexp") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1690 have_regexp = true; |
7336 | 1691 else if (argv[i] == "global") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1692 global_only = true; |
1755 | 1693 else if (argv[i][0] == '-') |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1694 warning ("%s: unrecognized option '%s'", my_name.c_str (), |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1695 argv[i].c_str ()); |
529 | 1696 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1697 break; |
529 | 1698 } |
1699 | |
7336 | 1700 int npats = argc - i; |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1701 string_vector pats; |
7336 | 1702 if (npats > 0) |
3248 | 1703 { |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1704 pats.resize (npats); |
7336 | 1705 for (int j = 0; j < npats; j++) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1706 pats[j] = argv[i+j]; |
3248 | 1707 } |
7336 | 1708 else |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1709 { |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1710 pats.resize (++npats); |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1711 pats[0] = "*"; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1712 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11558
diff
changeset
|
1713 |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1714 symbol_info_list symbol_stats; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1715 std::list<std::string> symbol_names; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1716 |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1717 for (int j = 0; j < npats; j++) |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1718 { |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1719 std::string pat = pats[j]; |
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1720 |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1721 if (have_regexp) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1722 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1723 std::list<symbol_table::symbol_record> tmp = global_only |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1724 ? symbol_table::regexp_global_variables (pat) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1725 : symbol_table::regexp_variables (pat); |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1726 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1727 for (const auto& symrec : tmp) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1728 { |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1729 if (symrec.is_variable ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1730 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1731 if (verbose) |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1732 symbol_stats.append (symrec); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1733 else |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1734 symbol_names.push_back (symrec.name ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1735 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1736 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1737 } |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1738 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1739 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1740 size_t pos = pat.find_first_of (".({"); |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1741 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1742 if (pos != std::string::npos && pos > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1743 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1744 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1745 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1746 // NOTE: we can only display information for |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1747 // expressions based on global values if the variable is |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1748 // global in the current scope because we currently have |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1749 // no way of looking up the base value in the global |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1750 // scope and then evaluating the arguments in the |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1751 // current scope. |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1752 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1753 std::string base_name = pat.substr (0, pos); |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1754 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1755 if (symbol_table::is_variable (base_name)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1756 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1757 symbol_table::symbol_record sr |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1758 = symbol_table::find_symbol (base_name); |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1759 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1760 if (! global_only || sr.is_global ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1761 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1762 int parse_status; |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1763 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1764 octave_value expr_val |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23052
diff
changeset
|
1765 = octave::eval_string (pat, true, parse_status); |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1766 |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
1767 symbol_stats.append (sr, pat, expr_val); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1768 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1769 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1770 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1771 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1772 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1773 { |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
1774 std::list<symbol_table::symbol_record> tmp = global_only |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1775 ? symbol_table::glob_global_variables (pat) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1776 : symbol_table::glob_variables (pat); |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
1777 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1778 for (const auto& symrec : tmp) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1779 { |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1780 if (symrec.is_variable ()) |
9250
80c299c84796
don't print undefined symbols in who
Jaroslav Hajek <highegg@gmail.com>
parents:
9240
diff
changeset
|
1781 { |
80c299c84796
don't print undefined symbols in who
Jaroslav Hajek <highegg@gmail.com>
parents:
9240
diff
changeset
|
1782 if (verbose) |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1783 symbol_stats.append (symrec); |
9250
80c299c84796
don't print undefined symbols in who
Jaroslav Hajek <highegg@gmail.com>
parents:
9240
diff
changeset
|
1784 else |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
changeset
|
1785 symbol_names.push_back (symrec.name ()); |
9250
80c299c84796
don't print undefined symbols in who
Jaroslav Hajek <highegg@gmail.com>
parents:
9240
diff
changeset
|
1786 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1787 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1788 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1789 } |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1790 } |
529 | 1791 |
4435 | 1792 if (return_list) |
529 | 1793 { |
7336 | 1794 if (verbose) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1795 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1796 std::string caller_function_name; |
23553
14723784b9f2
don't use singleton for call_stack
John W. Eaton <jwe@octave.org>
parents:
23466
diff
changeset
|
1797 octave_function *caller = cs.caller (); |
10315
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1798 if (caller) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1799 caller_function_name = caller->name (); |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1800 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1801 retval = symbol_stats.map_value (caller_function_name, 1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1802 } |
4435 | 1803 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1804 retval = Cell (string_vector (symbol_names)); |
529 | 1805 } |
7586
84122fb29c75
whos: handle index expressions
John W. Eaton <jwe@octave.org>
parents:
7531
diff
changeset
|
1806 else if (! (symbol_stats.empty () && symbol_names.empty ())) |
529 | 1807 { |
21885
0806871e3e1e
maint: Prefer is_empty() rather than "length () == 0".
Rik <rik@octave.org>
parents:
21751
diff
changeset
|
1808 if (msg.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1809 if (global_only) |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1810 octave_stdout << "Global variables:\n\n"; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1811 else |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
1812 octave_stdout << "Variables in the current scope:\n\n"; |
7336 | 1813 else |
10315
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1814 octave_stdout << msg; |
7336 | 1815 |
1816 if (verbose) | |
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1817 symbol_stats.display (octave_stdout); |
7336 | 1818 else |
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1819 { |
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1820 string_vector names (symbol_names); |
7336 | 1821 |
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1822 names.list_in_columns (octave_stdout); |
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1823 } |
4435 | 1824 |
7336 | 1825 octave_stdout << "\n"; |
529 | 1826 } |
1827 | |
581 | 1828 return retval; |
1829 } | |
1830 | |
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1831 DEFMETHOD (who, interp, args, nargout, |
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1832 doc: /* -*- texinfo -*- |
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1833 @deftypefn {} {} who |
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1834 @deftypefnx {} {} who pattern @dots{} |
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1835 @deftypefnx {} {} who option pattern @dots{} |
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1836 @deftypefnx {} {C =} who ("pattern", @dots{}) |
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1837 List currently defined variables matching the given patterns. |
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1838 |
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1839 Valid pattern syntax is the same as described for the @code{clear} command. |
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1840 If no patterns are supplied, all variables are listed. |
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1841 |
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1842 By default, only variables visible in the local scope are displayed. |
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1843 |
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1844 The following are valid options, but may not be combined. |
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1845 |
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1846 @table @code |
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1847 @item global |
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1848 List variables in the global scope rather than the current scope. |
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1849 |
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1850 @item -regexp |
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1851 The patterns are considered to be regular expressions when matching the |
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1852 variables to display. The same pattern syntax accepted by the @code{regexp} |
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1853 function is used. |
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1854 |
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1855 @item -file |
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1856 The next argument is treated as a filename. All variables found within the |
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1857 specified file are listed. No patterns are accepted when reading variables |
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1858 from a file. |
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1859 @end table |
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1860 |
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1861 If called as a function, return a cell array of defined variable names |
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1862 matching the given patterns. |
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1863 @seealso{whos, isglobal, isvarname, exist, regexp} |
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1864 @end deftypefn */) |
581 | 1865 { |
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1866 int argc = args.length () + 1; |
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1867 |
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1868 string_vector argv = args.make_argv ("who"); |
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1869 |
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1870 return do_who (interp, argc, argv, nargout == 1); |
529 | 1871 } |
1872 | |
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1873 DEFMETHOD (whos, interp, args, nargout, |
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1874 doc: /* -*- texinfo -*- |
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1875 @deftypefn {} {} whos |
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1876 @deftypefnx {} {} whos pattern @dots{} |
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1877 @deftypefnx {} {} whos option pattern @dots{} |
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1878 @deftypefnx {} {S =} whos ("pattern", @dots{}) |
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1879 Provide detailed information on currently defined variables matching the |
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1880 given patterns. |
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1881 |
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1882 Options and pattern syntax are the same as for the @code{who} command. |
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1883 |
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1884 Extended information about each variable is summarized in a table with the |
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1885 following default entries. |
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1886 |
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1887 @table @asis |
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1888 @item Attr |
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1889 Attributes of the listed variable. Possible attributes are: |
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1890 |
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1891 @table @asis |
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1892 @item blank |
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1893 Variable in local scope |
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1894 |
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1895 @item @code{a} |
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1896 Automatic variable. An automatic variable is one created by the |
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1897 interpreter, for example @code{argn}. |
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1898 |
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1899 @item @code{c} |
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1900 Variable of complex type. |
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1901 |
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1902 @item @code{f} |
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1903 Formal parameter (function argument). |
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1904 |
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1905 @item @code{g} |
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1906 Variable with global scope. |
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1907 |
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1908 @item @code{p} |
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1909 Persistent variable. |
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1910 @end table |
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1911 |
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1912 @item Name |
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1913 The name of the variable. |
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1914 |
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1915 @item Size |
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1916 The logical size of the variable. A scalar is 1x1, a vector is |
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1917 @nospell{1xN} or @nospell{Nx1}, a 2-D matrix is @nospell{MxN}. |
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1918 |
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1919 @item Bytes |
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1920 The amount of memory currently used to store the variable. |
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1921 |
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1922 @item Class |
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1923 The class of the variable. Examples include double, single, char, uint16, |
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1924 cell, and struct. |
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1925 @end table |
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1926 |
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1927 The table can be customized to display more or less information through |
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1928 the function @code{whos_line_format}. |
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1929 |
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1930 If @code{whos} is called as a function, return a struct array of defined |
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1931 variable names matching the given patterns. Fields in the structure |
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1932 describing each variable are: name, size, bytes, class, global, sparse, |
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1933 complex, nesting, persistent. |
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1934 @seealso{who, whos_line_format} |
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1935 @end deftypefn */) |
581 | 1936 { |
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1937 int argc = args.length () + 1; |
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1938 |
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1939 string_vector argv = args.make_argv ("whos"); |
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1940 |
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1941 return do_who (interp, argc, argv, nargout == 1, true); |
581 | 1942 } |
1943 | |
593 | 1944 // Defining variables. |
1945 | |
1162 | 1946 void |
2856 | 1947 bind_ans (const octave_value& val, bool print) |
1162 | 1948 { |
7336 | 1949 static std::string ans = "ans"; |
1162 | 1950 |
2978 | 1951 if (val.is_defined ()) |
1952 { | |
7531
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1953 if (val.is_cs_list ()) |
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1954 { |
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1955 octave_value_list lst = val.list_value (); |
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1956 |
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1957 for (octave_idx_type i = 0; i < lst.length (); i++) |
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1958 bind_ans (lst(i), print); |
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1959 } |
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1960 else |
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1961 { |
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1962 symbol_table::force_assign (ans, val); |
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1963 |
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1964 if (print) |
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1965 { |
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1966 octave_value_list args = ovl (val); |
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1967 args.stash_name_tags (string_vector (ans)); |
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1968 octave::feval ("display", args); |
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1969 } |
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1970 } |
2978 | 1971 } |
1162 | 1972 } |
1973 | |
593 | 1974 void |
5794 | 1975 bind_internal_variable (const std::string& fname, const octave_value& val) |
593 | 1976 { |
5794 | 1977 octave_value_list args; |
1978 | |
1979 args(0) = val; | |
1980 | |
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1981 octave::feval (fname, args, 0); |
529 | 1982 } |
1983 | |
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1984 void |
7336 | 1985 mlock (void) |
4319 | 1986 { |
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1987 octave::call_stack& cs = octave::__get_call_stack__ ("mlock"); |
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1988 |
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1989 octave_function *fcn = cs.current (); |
7336 | 1990 |
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1991 if (! fcn) |
7336 | 1992 error ("mlock: invalid use outside a function"); |
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1993 |
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1994 fcn->lock (); |
4319 | 1995 } |
1996 | |
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1997 void |
4319 | 1998 munlock (const std::string& nm) |
1999 { | |
7336 | 2000 octave_value val = symbol_table::find_function (nm); |
2001 | |
2002 if (val.is_defined ()) | |
2003 { | |
2004 octave_function *fcn = val.function_value (); | |
2005 | |
2006 if (fcn) | |
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2007 fcn->unlock (); |
7336 | 2008 } |
4319 | 2009 } |
2010 | |
2011 bool | |
2012 mislocked (const std::string& nm) | |
2013 { | |
7336 | 2014 bool retval = false; |
2015 | |
2016 octave_value val = symbol_table::find_function (nm); | |
2017 | |
2018 if (val.is_defined ()) | |
2019 { | |
2020 octave_function *fcn = val.function_value (); | |
2021 | |
2022 if (fcn) | |
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2023 retval = fcn->islocked (); |
7336 | 2024 } |
2025 | |
2026 return retval; | |
4319 | 2027 } |
2028 | |
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2029 DEFMETHOD (mlock, interp, args, , |
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2030 doc: /* -*- texinfo -*- |
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2031 @deftypefn {} {} mlock () |
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2032 Lock the current function into memory so that it can't be cleared. |
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2033 @seealso{munlock, mislocked, persistent} |
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2034 @end deftypefn */) |
4319 | 2035 { |
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2036 if (args.length () != 0) |
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2037 print_usage (); |
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2038 |
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2039 octave::call_stack& cs = interp.get_call_stack (); |
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2040 |
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2041 octave_function *fcn = cs.caller (); |
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2042 |
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2043 if (! fcn) |
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2044 error ("mlock: invalid use outside a function"); |
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|
2045 |
20957
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maint: eliminate special cases of statements after error.
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|
2046 fcn->lock (); |
20939
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2047 |
20941
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2048 return ovl (); |
4319 | 2049 } |
2050 | |
23553
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2051 DEFMETHOD (munlock, interp, args, , |
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|
2052 doc: /* -*- texinfo -*- |
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2053 @deftypefn {} {} munlock () |
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2054 @deftypefnx {} {} munlock (@var{fcn}) |
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2055 Unlock the named function @var{fcn}. |
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2056 |
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2057 If no function is named then unlock the current function. |
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2058 @seealso{mlock, mislocked, persistent} |
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2059 @end deftypefn */) |
4319 | 2060 { |
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2061 int nargin = args.length (); |
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2062 |
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2063 if (nargin > 1) |
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2064 print_usage (); |
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2065 |
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|
2066 if (nargin == 1) |
4319 | 2067 { |
20700
68e3a747ca02
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|
2068 std::string name = args(0).xstring_value ("munlock: FCN must be a string"); |
20581
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2069 |
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|
2070 munlock (name); |
4319 | 2071 } |
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2072 else |
4319 | 2073 { |
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2074 octave::call_stack& cs = interp.get_call_stack (); |
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2075 |
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2076 octave_function *fcn = cs.caller (); |
5743 | 2077 |
20939
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|
2078 if (! fcn) |
4319 | 2079 error ("munlock: invalid use outside a function"); |
20939
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Rik <rik@octave.org>
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2080 |
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|
2081 fcn->unlock (); |
4319 | 2082 } |
2083 | |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
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|
2084 return ovl (); |
4319 | 2085 } |
2086 | |
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2087 DEFMETHOD (mislocked, interp, args, , |
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|
2088 doc: /* -*- texinfo -*- |
21966
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2089 @deftypefn {} {} mislocked () |
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2090 @deftypefnx {} {} mislocked (@var{fcn}) |
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2091 Return true if the named function @var{fcn} is locked. |
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2092 |
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2093 If no function is named then return true if the current function is locked. |
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2094 @seealso{mlock, munlock, persistent} |
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2095 @end deftypefn */) |
4319 | 2096 { |
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2097 int nargin = args.length (); |
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2098 |
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2099 if (nargin > 1) |
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2100 print_usage (); |
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2101 |
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2102 octave_value retval; |
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2103 |
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2104 if (nargin == 1) |
4319 | 2105 { |
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|
2106 std::string name = args(0).xstring_value ("mislocked: FCN must be a string"); |
20581
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2107 |
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2108 retval = mislocked (name); |
4319 | 2109 } |
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2110 else |
4319 | 2111 { |
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2112 octave::call_stack& cs = interp.get_call_stack (); |
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2113 |
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2114 octave_function *fcn = cs.caller (); |
5743 | 2115 |
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2116 if (! fcn) |
4319 | 2117 error ("mislocked: invalid use outside a function"); |
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2118 |
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|
2119 retval = fcn->islocked (); |
4319 | 2120 } |
2121 | |
2122 return retval; | |
2123 } | |
2124 | |
593 | 2125 // Deleting names from the symbol tables. |
2126 | |
3681 | 2127 static inline bool |
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2128 name_matches_any_pattern (const std::string& nm, const string_vector& argv, |
10315
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|
2129 int argc, int idx, bool have_regexp = false) |
3681 | 2130 { |
2131 bool retval = false; | |
2132 | |
2133 for (int k = idx; k < argc; k++) | |
2134 { | |
2135 std::string patstr = argv[k]; | |
2136 if (! patstr.empty ()) | |
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2137 { |
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2138 if (have_regexp) |
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|
2139 { |
22333
2758af148ced
move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents:
22327
diff
changeset
|
2140 if (octave::regexp::is_match (patstr, nm)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2141 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2142 retval = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2143 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2144 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2145 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2146 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2147 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2148 glob_match pattern (patstr); |
7779
791231dac333
Add regexp matching to Fwho and Fclear
David Bateman <dbateman@free.fr>
parents:
7761
diff
changeset
|
2149 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2150 if (pattern.match (nm)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2151 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2152 retval = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2153 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2154 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2155 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2156 } |
3681 | 2157 } |
2158 | |
2159 return retval; | |
2160 } | |
2161 | |
4009 | 2162 static inline void |
2163 maybe_warn_exclusive (bool exclusive) | |
2164 { | |
2165 if (exclusive) | |
2166 warning ("clear: ignoring --exclusive option"); | |
2167 } | |
2168 | |
7336 | 2169 static void |
4009 | 2170 do_clear_functions (const string_vector& argv, int argc, int idx, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2171 bool exclusive = false) |
4009 | 2172 { |
2173 if (idx == argc) | |
7336 | 2174 symbol_table::clear_functions (); |
4009 | 2175 else |
2176 { | |
2177 if (exclusive) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2178 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2179 string_vector fcns = symbol_table::user_function_names (); |
4009 | 2180 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20229
diff
changeset
|
2181 int fcount = fcns.numel (); |
4009 | 2182 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2183 for (int i = 0; i < fcount; i++) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2184 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2185 std::string nm = fcns[i]; |
4009 | 2186 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2187 if (! name_matches_any_pattern (nm, argv, argc, idx)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2188 symbol_table::clear_function (nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2189 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2190 } |
4009 | 2191 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2192 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2193 while (idx < argc) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2194 symbol_table::clear_function_pattern (argv[idx++]); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2195 } |
4009 | 2196 } |
2197 } | |
2198 | |
7336 | 2199 static void |
4009 | 2200 do_clear_globals (const string_vector& argv, int argc, int idx, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2201 bool exclusive = false) |
4009 | 2202 { |
2203 if (idx == argc) | |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7626
diff
changeset
|
2204 { |
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7626
diff
changeset
|
2205 string_vector gvars = symbol_table::global_variable_names (); |
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7626
diff
changeset
|
2206 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20229
diff
changeset
|
2207 int gcount = gvars.numel (); |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7626
diff
changeset
|
2208 |
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7626
diff
changeset
|
2209 for (int i = 0; i < gcount; i++) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2210 symbol_table::clear_global (gvars[i]); |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7626
diff
changeset
|
2211 } |
4009 | 2212 else |
2213 { | |
2214 if (exclusive) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2215 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2216 string_vector gvars = symbol_table::global_variable_names (); |
4009 | 2217 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20229
diff
changeset
|
2218 int gcount = gvars.numel (); |
4009 | 2219 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2220 for (int i = 0; i < gcount; i++) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2221 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2222 std::string nm = gvars[i]; |
4009 | 2223 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2224 if (! name_matches_any_pattern (nm, argv, argc, idx)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2225 symbol_table::clear_global (nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2226 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2227 } |
4009 | 2228 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2229 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2230 while (idx < argc) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2231 symbol_table::clear_global_pattern (argv[idx++]); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2232 } |
4009 | 2233 } |
2234 } | |
2235 | |
7336 | 2236 static void |
4009 | 2237 do_clear_variables (const string_vector& argv, int argc, int idx, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2238 bool exclusive = false, bool have_regexp = false) |
4009 | 2239 { |
2240 if (idx == argc) | |
7336 | 2241 symbol_table::clear_variables (); |
4009 | 2242 else |
2243 { | |
2244 if (exclusive) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2245 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2246 string_vector lvars = symbol_table::variable_names (); |
4009 | 2247 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20229
diff
changeset
|
2248 int lcount = lvars.numel (); |
4009 | 2249 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2250 for (int i = 0; i < lcount; i++) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2251 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2252 std::string nm = lvars[i]; |
4009 | 2253 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2254 if (! name_matches_any_pattern (nm, argv, argc, idx, have_regexp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2255 symbol_table::clear_variable (nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2256 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2257 } |
4009 | 2258 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2259 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2260 if (have_regexp) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2261 while (idx < argc) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2262 symbol_table::clear_variable_regexp (argv[idx++]); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2263 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2264 while (idx < argc) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2265 symbol_table::clear_variable_pattern (argv[idx++]); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2266 } |
4009 | 2267 } |
2268 } | |
2269 | |
7336 | 2270 static void |
4009 | 2271 do_clear_symbols (const string_vector& argv, int argc, int idx, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2272 bool exclusive = false) |
4009 | 2273 { |
2274 if (idx == argc) | |
7336 | 2275 symbol_table::clear_variables (); |
4009 | 2276 else |
2277 { | |
2278 if (exclusive) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2279 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17756
diff
changeset
|
2280 // FIXME: is this really what we want, or do we |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2281 // somehow want to only clear the functions that are not |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2282 // shadowed by local variables? It seems that would be a |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2283 // bit harder to do. |
4009 | 2284 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2285 do_clear_variables (argv, argc, idx, exclusive); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2286 do_clear_functions (argv, argc, idx, exclusive); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2287 } |
4009 | 2288 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2289 { |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2290 while (idx < argc) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2291 symbol_table::clear_symbol_pattern (argv[idx++]); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
2292 } |
4009 | 2293 } |
2294 } | |
2295 | |
2296 static void | |
2297 do_matlab_compatible_clear (const string_vector& argv, int argc, int idx) | |
2298 { | |
2299 // This is supposed to be mostly Matlab compatible. | |
2300 | |
2301 for (; idx < argc; idx++) | |
2302 { | |
7336 | 2303 if (argv[idx] == "all" |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2304 && ! symbol_table::is_local_variable ("all")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2305 { |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2306 symbol_table::clear_all (); |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
2307 } |
7336 | 2308 else if (argv[idx] == "functions" |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2309 && ! symbol_table::is_local_variable ("functions")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2310 { |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
2311 do_clear_functions (argv, argc, ++idx); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2312 } |
7336 | 2313 else if (argv[idx] == "global" |
10315
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2314 && ! symbol_table::is_local_variable ("global")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2315 { |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2316 do_clear_globals (argv, argc, ++idx); |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
2317 } |
7336 | 2318 else if (argv[idx] == "variables" |
10315
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2319 && ! symbol_table::is_local_variable ("variables")) |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
2320 { |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
2321 symbol_table::clear_variables (); |
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
2322 } |
9240
f27a8c07f0b2
clear -classes and support.
Robert T. Short <octave@phaselockedsystems.com>
parents:
9180
diff
changeset
|
2323 else if (argv[idx] == "classes" |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
2324 && ! symbol_table::is_local_variable ("classes")) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2325 { |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2326 symbol_table::clear_objects (); |
57a59eae83cc
untabify src C++ source files
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10160
diff
changeset
|
2327 octave_class::clear_exemplar_map (); |
18282
87381dbbe25e
Clear all var, functions, globals when clearing classes (bug #41229)
Rik <rik@octave.org>
parents:
18110
diff
changeset
|
2328 symbol_table::clear_all (); |
10315
57a59eae83cc
untabify src C++ source files
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|
2329 } |
4009 | 2330 else |
10315
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2331 { |
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2332 symbol_table::clear_symbol_pattern (argv[idx]); |
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2333 } |
4009 | 2334 } |
2335 } | |
2336 | |
22197
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refill multi-line macro definitions
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|
2337 #define CLEAR_OPTION_ERROR(cond) \ |
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|
2338 do \ |
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|
2339 { \ |
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|
2340 if (cond) \ |
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|
2341 print_usage (); \ |
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refill multi-line macro definitions
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|
2342 } \ |
4009 | 2343 while (0) |
2344 | |
8746
5dd06f19e9be
handle commands in the lexer
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|
2345 DEFUN (clear, args, , |
21966
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move docstrings in C++ files out of C strings and into comments
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2346 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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2347 @deftypefn {} {} clear [options] pattern @dots{} |
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move docstrings in C++ files out of C strings and into comments
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2348 Delete the names matching the given patterns from the symbol table. |
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2349 |
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2350 The pattern may contain the following special characters: |
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2351 |
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2352 @table @code |
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2353 @item ? |
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2354 Match any single character. |
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2355 |
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2356 @item * |
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2357 Match zero or more characters. |
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2358 |
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2359 @item [ @var{list} ] |
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2360 Match the list of characters specified by @var{list}. If the first |
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move docstrings in C++ files out of C strings and into comments
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2361 character is @code{!} or @code{^}, match all characters except those |
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move docstrings in C++ files out of C strings and into comments
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2362 specified by @var{list}. For example, the pattern @samp{[a-zA-Z]} will |
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move docstrings in C++ files out of C strings and into comments
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2363 match all lowercase and uppercase alphabetic characters. |
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move docstrings in C++ files out of C strings and into comments
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2364 @end table |
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2365 |
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|
2366 For example, the command |
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|
2367 |
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|
2368 @example |
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2369 clear foo b*r |
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|
2370 @end example |
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2371 |
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2372 @noindent |
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2373 clears the name @code{foo} and all names that begin with the letter |
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move docstrings in C++ files out of C strings and into comments
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2374 @code{b} and end with the letter @code{r}. |
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|
2375 |
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|
2376 If @code{clear} is called without any arguments, all user-defined |
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move docstrings in C++ files out of C strings and into comments
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|
2377 variables (local and global) are cleared from the symbol table. |
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2378 |
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|
2379 If @code{clear} is called with at least one argument, only the visible |
112b20240c87
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|
2380 names matching the arguments are cleared. For example, suppose you have |
112b20240c87
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|
2381 defined a function @code{foo}, and then hidden it by performing the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2382 assignment @code{foo = 2}. Executing the command @kbd{clear foo} once |
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diff
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|
2383 will clear the variable definition and restore the definition of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
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|
2384 @code{foo} as a function. Executing @kbd{clear foo} a second time will |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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|
2385 clear the function definition. |
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|
2386 |
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2387 The following options are available in both long and short form |
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2388 |
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2389 @table @code |
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2390 @item -all, -a |
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move docstrings in C++ files out of C strings and into comments
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|
2391 Clear all local and global user-defined variables and all functions from the |
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move docstrings in C++ files out of C strings and into comments
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2392 symbol table. |
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|
2393 |
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2394 @item -exclusive, -x |
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2395 Clear the variables that don't match the following pattern. |
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2396 |
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2397 @item -functions, -f |
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move docstrings in C++ files out of C strings and into comments
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2398 Clear the function names and the built-in symbols names. |
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2399 |
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|
2400 @item -global, -g |
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move docstrings in C++ files out of C strings and into comments
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2401 Clear global symbol names. |
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|
2402 |
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|
2403 @item -variables, -v |
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move docstrings in C++ files out of C strings and into comments
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2404 Clear local variable names. |
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|
2405 |
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move docstrings in C++ files out of C strings and into comments
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|
2406 @item -classes, -c |
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move docstrings in C++ files out of C strings and into comments
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2407 Clears the class structure table and clears all objects. |
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2408 |
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2409 @item -regexp, -r |
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2410 The arguments are treated as regular expressions as any variables that |
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move docstrings in C++ files out of C strings and into comments
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|
2411 match will be cleared. |
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move docstrings in C++ files out of C strings and into comments
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2412 @end table |
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|
2413 |
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|
2414 With the exception of @code{exclusive}, all long options can be used |
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move docstrings in C++ files out of C strings and into comments
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2415 without the dash as well. |
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move docstrings in C++ files out of C strings and into comments
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2416 @seealso{who, whos, exist} |
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move docstrings in C++ files out of C strings and into comments
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|
2417 @end deftypefn */) |
529 | 2418 { |
1755 | 2419 int argc = args.length () + 1; |
593 | 2420 |
1968 | 2421 string_vector argv = args.make_argv ("clear"); |
1755 | 2422 |
20556
4bed806ee3d4
eliminate more simple uses of error_state
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|
2423 if (argc == 1) |
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|
2424 { |
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|
2425 do_clear_globals (argv, argc, true); |
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diff
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|
2426 do_clear_variables (argv, argc, true); |
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|
2427 |
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|
2428 octave_link::clear_workspace (); |
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|
2429 } |
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|
2430 else |
529 | 2431 { |
20556
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|
2432 int idx = 0; |
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|
2433 |
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|
2434 bool clear_all = false; |
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|
2435 bool clear_functions = false; |
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|
2436 bool clear_globals = false; |
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|
2437 bool clear_variables = false; |
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|
2438 bool clear_objects = false; |
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|
2439 bool exclusive = false; |
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|
2440 bool have_regexp = false; |
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diff
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|
2441 bool have_dash_option = false; |
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|
2442 |
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|
2443 while (++idx < argc) |
10315
57a59eae83cc
untabify src C++ source files
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|
2444 { |
20556
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|
2445 if (argv[idx] == "-all" || argv[idx] == "-a") |
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|
2446 { |
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|
2447 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive); |
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|
2448 |
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|
2449 have_dash_option = true; |
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|
2450 clear_all = true; |
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|
2451 } |
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|
2452 else if (argv[idx] == "-exclusive" || argv[idx] == "-x") |
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|
2453 { |
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|
2454 have_dash_option = true; |
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|
2455 exclusive = true; |
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|
2456 } |
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|
2457 else if (argv[idx] == "-functions" || argv[idx] == "-f") |
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20535
diff
changeset
|
2458 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2459 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2460 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2461 have_dash_option = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2462 clear_functions = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2463 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2464 else if (argv[idx] == "-global" || argv[idx] == "-g") |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2465 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2466 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2467 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2468 have_dash_option = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2469 clear_globals = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2470 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2471 else if (argv[idx] == "-variables" || argv[idx] == "-v") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2472 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2473 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2474 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2475 have_dash_option = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2476 clear_variables = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2477 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2478 else if (argv[idx] == "-classes" || argv[idx] == "-c") |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2479 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2480 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2481 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2482 have_dash_option = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2483 clear_objects = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2484 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2485 else if (argv[idx] == "-regexp" || argv[idx] == "-r") |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2486 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2487 CLEAR_OPTION_ERROR (have_dash_option && ! exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2488 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2489 have_dash_option = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2490 have_regexp = true; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2491 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2492 else |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2493 break; |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2494 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2495 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2496 if (idx <= argc) |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2497 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2498 if (! have_dash_option) |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
2499 do_matlab_compatible_clear (argv, argc, idx); |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2500 else |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2501 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2502 if (clear_all) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2503 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2504 maybe_warn_exclusive (exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2505 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2506 if (++idx < argc) |
20897
9aad16a799c9
maint: Replace argc variable name with nargin in C++ code.
Rik <rik@octave.org>
parents:
20853
diff
changeset
|
2507 warning ("clear: ignoring extra arguments after -all"); |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2508 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2509 symbol_table::clear_all (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2510 } |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2511 else if (have_regexp) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2512 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2513 do_clear_variables (argv, argc, idx, exclusive, true); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2514 } |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2515 else if (clear_functions) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2516 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2517 do_clear_functions (argv, argc, idx, exclusive); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2518 } |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2519 else if (clear_globals) |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2520 { |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2521 do_clear_globals (argv, argc, idx, exclusive); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2522 } |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2523 else if (clear_variables) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2524 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2525 do_clear_variables (argv, argc, idx, exclusive); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2526 } |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2527 else if (clear_objects) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2528 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2529 symbol_table::clear_objects (); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2530 octave_class::clear_exemplar_map (); |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2531 symbol_table::clear_all (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2532 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2533 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2534 { |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2535 do_clear_symbols (argv, argc, idx, exclusive); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2536 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2537 } |
20556
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2538 |
4bed806ee3d4
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20535
diff
changeset
|
2539 octave_link::set_workspace (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2540 } |
593 | 2541 } |
2542 | |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
2543 return ovl (); |
529 | 2544 } |
2545 | |
7336 | 2546 DEFUN (whos_line_format, args, nargout, |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2547 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2548 @deftypefn {} {@var{val} =} whos_line_format () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2549 @deftypefnx {} {@var{old_val} =} whos_line_format (@var{new_val}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2550 @deftypefnx {} {} whos_line_format (@var{new_val}, "local") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2551 Query or set the format string used by the command @code{whos}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2552 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2553 A full format string is: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2554 @c Set example in small font to prevent overfull line |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2555 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2556 @smallexample |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2557 %[modifier]<command>[:width[:left-min[:balance]]]; |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2558 @end smallexample |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2559 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2560 The following command sequences are available: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2561 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2562 @table @code |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2563 @item %a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2564 Prints attributes of variables (g=global, p=persistent, f=formal parameter, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2565 a=automatic variable). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2566 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2567 @item %b |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2568 Prints number of bytes occupied by variables. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2569 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2570 @item %c |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2571 Prints class names of variables. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2572 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2573 @item %e |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2574 Prints elements held by variables. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2575 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2576 @item %n |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2577 Prints variable names. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2578 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2579 @item %s |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2580 Prints dimensions of variables. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2581 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2582 @item %t |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2583 Prints type names of variables. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2584 @end table |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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parents:
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diff
changeset
|
2585 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2586 Every command may also have an alignment modifier: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2587 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2588 @table @code |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2589 @item l |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2590 Left alignment. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2591 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2592 @item r |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2593 Right alignment (default). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2594 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2595 @item c |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2596 Column-aligned (only applicable to command %s). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2597 @end table |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2598 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2599 The @code{width} parameter is a positive integer specifying the minimum |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2600 number of columns used for printing. No maximum is needed as the field will |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2601 auto-expand as required. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2602 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2603 The parameters @code{left-min} and @code{balance} are only available when |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2604 the column-aligned modifier is used with the command @samp{%s}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2605 @code{balance} specifies the column number within the field width which |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2606 will be aligned between entries. Numbering starts from 0 which indicates |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2607 the leftmost column. @code{left-min} specifies the minimum field width to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2608 the left of the specified balance column. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2609 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2610 The default format is: |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2611 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2612 @qcode{" %a:4; %ln:6; %cs:16:6:1; %rb:12; %lc:-1;@xbackslashchar{}n"} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2613 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2614 When called from inside a function with the @qcode{"local"} option, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2615 variable is changed locally for the function and any subroutines it calls. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2616 The original variable value is restored when exiting the function. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2617 @seealso{whos} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2618 @end deftypefn */) |
5794 | 2619 { |
7336 | 2620 return SET_INTERNAL_VARIABLE (whos_line_format); |
3016 | 2621 } |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2622 |
15562
8ed107220a3e
maint: Rename unimplemented.m to __unimplemented__.m.
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
15528
diff
changeset
|
2623 static std::string Vmissing_function_hook = "__unimplemented__"; |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
2624 |
34e51d4e199b
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Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
2625 DEFUN (missing_function_hook, args, nargout, |
21966
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2626 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2627 @deftypefn {} {@var{val} =} missing_function_hook () |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2628 @deftypefnx {} {@var{old_val} =} missing_function_hook (@var{new_val}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2629 @deftypefnx {} {} missing_function_hook (@var{new_val}, "local") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2630 Query or set the internal variable that specifies the function to call when |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2631 an unknown identifier is requested. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2632 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2633 When called from inside a function with the @qcode{"local"} option, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2634 variable is changed locally for the function and any subroutines it calls. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2635 The original variable value is restored when exiting the function. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2636 @seealso{missing_component_hook} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2637 @end deftypefn */) |
10443
34e51d4e199b
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Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2638 { |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2639 return SET_INTERNAL_VARIABLE (missing_function_hook); |
34e51d4e199b
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Jaroslav Hajek <highegg@gmail.com>
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10350
diff
changeset
|
2640 } |
34e51d4e199b
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Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2641 |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2642 void maybe_missing_function_hook (const std::string& name) |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2643 { |
10444
537d9fbba9c0
don't call missing_function_hook inside try block
Jaroslav Hajek <highegg@gmail.com>
parents:
10443
diff
changeset
|
2644 // Don't do this if we're handling errors. |
537d9fbba9c0
don't call missing_function_hook inside try block
Jaroslav Hajek <highegg@gmail.com>
parents:
10443
diff
changeset
|
2645 if (buffer_error_messages == 0 && ! Vmissing_function_hook.empty ()) |
10467
13c1f15c67fa
guard against recursive calls of missing_function_hook
Jaroslav Hajek <highegg@gmail.com>
parents:
10444
diff
changeset
|
2646 { |
15528
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2647 octave_value val = symbol_table::find_function (Vmissing_function_hook); |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2648 |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2649 if (val.is_defined ()) |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2650 { |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2651 // Ensure auto-restoration. |
21743
f4d7d0eb5b0c
use namespace for unwind_protect class
John W. Eaton <jwe@octave.org>
parents:
21736
diff
changeset
|
2652 octave::unwind_protect frame; |
15528
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2653 frame.protect_var (Vmissing_function_hook); |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2654 |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2655 // Clear the variable prior to calling the function. |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2656 const std::string func_name = Vmissing_function_hook; |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2657 Vmissing_function_hook.clear (); |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2658 |
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2659 // Call. |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23052
diff
changeset
|
2660 octave::feval (func_name, octave_value (name)); |
15528
8d2b3db8b5b0
Allow missing_function_hook to fail silently
Mike Miller <mtmiller@ieee.org>
parents:
15508
diff
changeset
|
2661 } |
10467
13c1f15c67fa
guard against recursive calls of missing_function_hook
Jaroslav Hajek <highegg@gmail.com>
parents:
10444
diff
changeset
|
2662 } |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10350
diff
changeset
|
2663 } |
11558
1e4dfc7a9487
use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents:
11556
diff
changeset
|
2664 |
1e4dfc7a9487
use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents:
11556
diff
changeset
|
2665 DEFUN (__varval__, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2666 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2667 @deftypefn {} {} __varval__ (@var{name}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
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|
2668 Return the value of the variable @var{name} directly from the symbol table. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
2669 @end deftypefn */) |
11558
1e4dfc7a9487
use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents:
11556
diff
changeset
|
2670 { |
20760
15eefcabcb31
doc: Add docstring for internal function __varval__.
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
2671 if (args.length () != 1) |
11558
1e4dfc7a9487
use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents:
11556
diff
changeset
|
2672 print_usage (); |
1e4dfc7a9487
use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents:
11556
diff
changeset
|
2673 |
20760
15eefcabcb31
doc: Add docstring for internal function __varval__.
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
2674 std::string name = args(0).xstring_value ("__varval__: first argument must be a variable name"); |
15eefcabcb31
doc: Add docstring for internal function __varval__.
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
2675 |
20799
c349d4c91ce2
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20769
diff
changeset
|
2676 return symbol_table::varval (args(0).string_value ()); |
11558
1e4dfc7a9487
use .argn. to store argument names for inputname function
John W. Eaton <jwe@octave.org>
parents:
11556
diff
changeset
|
2677 } |
17516
21656a949661
Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents:
17355
diff
changeset
|
2678 |
21656a949661
Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents:
17355
diff
changeset
|
2679 static std::string Vmissing_component_hook; |
21656a949661
Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents:
17355
diff
changeset
|
2680 |
21656a949661
Add hook function to handle missing Octave components
Mike Miller <mtmiller@ieee.org>
parents:
17355
diff
changeset
|
2681 DEFUN (missing_component_hook, args, nargout, |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2682 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2683 @deftypefn {} {@var{val} =} missing_component_hook () |
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move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2684 @deftypefnx {} {@var{old_val} =} missing_component_hook (@var{new_val}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2685 @deftypefnx {} {} missing_component_hook (@var{new_val}, "local") |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21885
diff
changeset
|
2686 Query or set the internal variable that specifies the function to call when |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2687 a component of Octave is missing. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2688 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2689 This can be useful for packagers that may split the Octave installation into |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2690 multiple sub-packages, for example, to provide a hint to users for how to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2691 install the missing components. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
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21885
diff
changeset
|
2692 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2693 When called from inside a function with the @qcode{"local"} option, the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2694 variable is changed locally for the function and any subroutines it calls. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2695 The original variable value is restored when exiting the function. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21885
diff
changeset
|
2696 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21885
diff
changeset
|
2697 The hook function is expected to be of the form |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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21885
diff
changeset
|
2698 |
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2699 @example |
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2700 @var{fcn} (@var{component}) |
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2701 @end example |
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2702 |
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2703 Octave will call @var{fcn} with the name of the function that requires the |
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2704 component and a string describing the missing component. The hook function |
112b20240c87
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parents:
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2705 should return an error message to be displayed. |
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2706 @seealso{missing_function_hook} |
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2707 @end deftypefn */) |
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Mike Miller <mtmiller@ieee.org>
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2708 { |
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2709 return SET_INTERNAL_VARIABLE (missing_component_hook); |
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2710 } |