Mercurial > octave-nkf
annotate src/symtab.cc @ 7901:3e4c9b69069d
call stack changes
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 08 Jul 2008 12:00:32 -0400 |
| parents | 5640a70cbab1 |
| children | db6478d9c669 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
| 4 2002, 2003, 2004, 2005, 2006, 2007 John W. Eaton | |
| 7336 | 5 |
| 1 | 6 This file is part of Octave. |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 1 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 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 | |
| 240 | 24 #ifdef HAVE_CONFIG_H |
| 1192 | 25 #include <config.h> |
| 1 | 26 #endif |
| 27 | |
| 7336 | 28 #include "oct-env.h" |
| 29 #include "oct-time.h" | |
| 30 #include "file-ops.h" | |
| 31 #include "file-stat.h" | |
| 1755 | 32 |
| 3308 | 33 #include "defun.h" |
| 7336 | 34 #include "dirfns.h" |
| 35 #include "input.h" | |
| 36 #include "load-path.h" | |
| 1755 | 37 #include "symtab.h" |
| 7336 | 38 #include "ov-fcn.h" |
| 39 #include "pager.h" | |
| 40 #include "parse.h" | |
| 41 #include "pt-arg-list.h" | |
| 42 #include "toplev.h" | |
| 43 #include "unwind-prot.h" | |
| 1 | 44 #include "utils.h" |
| 7336 | 45 |
| 46 symbol_table *symbol_table::instance = 0; | |
| 1 | 47 |
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48 symbol_table::scope_id_cache *symbol_table::scope_id_cache::instance = 0; |
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49 |
| 7336 | 50 std::map<symbol_table::scope_id, symbol_table*> symbol_table::all_instances; |
| 4913 | 51 |
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52 std::map<std::string, octave_value> symbol_table::global_table; |
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53 |
| 7336 | 54 std::map<std::string, symbol_table::fcn_info> symbol_table::fcn_table; |
| 4913 | 55 |
| 7336 | 56 const symbol_table::scope_id symbol_table::xglobal_scope = 0; |
| 57 const symbol_table::scope_id symbol_table::xtop_scope = 1; | |
| 4238 | 58 |
| 7336 | 59 symbol_table::scope_id symbol_table::xcurrent_scope = 1; |
| 3308 | 60 |
| 7336 | 61 symbol_table::scope_id symbol_table::xparent_scope = -1; |
| 62 | |
| 63 std::deque<symbol_table::scope_id> symbol_table::scope_stack; | |
| 4238 | 64 |
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65 symbol_table::context_id symbol_table::xcurrent_context = 0; |
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66 |
| 7336 | 67 // Should Octave always check to see if function files have changed |
| 68 // since they were last compiled? | |
| 69 static int Vignore_function_time_stamp = 1; | |
| 3355 | 70 |
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71 void |
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72 symbol_table::symbol_record::symbol_record_rep::dump |
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73 (std::ostream& os, const std::string& prefix) const |
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74 { |
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75 octave_value val = varval (xcurrent_context); |
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76 |
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77 os << prefix << name; |
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78 |
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79 if (val.is_defined ()) |
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80 { |
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81 os << " [" |
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82 << (is_local () ? "l" : "") |
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83 << (is_automatic () ? "a" : "") |
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84 << (is_formal () ? "f" : "") |
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85 << (is_hidden () ? "h" : "") |
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86 << (is_inherited () ? "i" : "") |
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87 << (is_global () ? "g" : "") |
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88 << (is_persistent () ? "p" : "") |
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89 << "] "; |
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90 val.dump (os); |
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91 } |
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92 |
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93 os << "\n"; |
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94 } |
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95 |
| 7336 | 96 octave_value |
| 97 symbol_table::symbol_record::find (tree_argument_list *args, | |
| 98 const string_vector& arg_names, | |
| 99 octave_value_list& evaluated_args, | |
| 100 bool& args_evaluated) const | |
| 101 { | |
| 102 octave_value retval; | |
| 3355 | 103 |
| 7336 | 104 if (is_global ()) |
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105 return symbol_table::global_varref (name ()); |
| 7336 | 106 else |
| 107 { | |
| 108 octave_value val = varval (); | |
| 109 | |
| 110 if (val.is_defined ()) | |
| 111 return val; | |
| 112 } | |
| 113 | |
| 114 return symbol_table::find_function (name (), args, arg_names, | |
| 115 evaluated_args, args_evaluated); | |
| 3355 | 116 } |
| 117 | |
| 7336 | 118 // Check the load path to see if file that defined this is still |
| 119 // visible. If the file is no longer visible, then erase the | |
| 120 // definition and move on. If the file is visible, then we also | |
| 121 // need to check to see whether the file has changed since the the | |
| 122 // function was loaded/parsed. However, this check should only | |
| 123 // happen once per prompt (for files found from relative path | |
| 124 // elements, we also check if the working directory has changed | |
| 125 // since the last time the function was loaded/parsed). | |
| 126 // | |
| 127 // FIXME -- perhaps this should be done for all loaded functions when | |
| 128 // the prompt is printed or the directory has changed, and then we | |
| 129 // would not check for it when finding symbol definitions. | |
| 3355 | 130 |
| 7336 | 131 static inline bool |
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132 load_out_of_date_fcn (const std::string& ff, const std::string& dir_name, |
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133 octave_value& function) |
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134 { |
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135 bool retval = false; |
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136 |
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137 octave_function *fcn = load_fcn_from_file (ff, dir_name); |
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138 |
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139 if (fcn) |
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140 { |
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141 retval = true; |
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142 |
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143 function = octave_value (fcn); |
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144 } |
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145 else |
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146 function = octave_value (); |
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147 |
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148 return retval; |
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149 } |
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150 |
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151 static inline bool |
| 7336 | 152 out_of_date_check_internal (octave_value& function) |
| 1 | 153 { |
| 3013 | 154 bool retval = false; |
| 2949 | 155 |
| 7336 | 156 octave_function *fcn = function.function_value (true); |
| 5861 | 157 |
| 7336 | 158 if (fcn) |
| 220 | 159 { |
| 7336 | 160 // FIXME -- we need to handle nested functions properly here. |
| 4914 | 161 |
| 7336 | 162 if (! fcn->is_nested_function ()) |
| 163 { | |
| 164 std::string ff = fcn->fcn_file_name (); | |
| 4914 | 165 |
| 7336 | 166 if (! ff.empty ()) |
| 167 { | |
| 168 octave_time tc = fcn->time_checked (); | |
| 4913 | 169 |
| 7336 | 170 bool relative = fcn->is_relative (); |
| 3013 | 171 |
| 7336 | 172 if (tc < Vlast_prompt_time |
| 173 || (relative && tc < Vlast_chdir_time)) | |
| 4913 | 174 { |
| 7336 | 175 std::string nm = fcn->name (); |
| 4914 | 176 |
| 7336 | 177 int nm_len = nm.length (); |
| 4913 | 178 |
| 7336 | 179 std::string file; |
| 180 std::string dir_name; | |
| 4913 | 181 |
| 7336 | 182 if (octave_env::absolute_pathname (nm) |
| 183 && ((nm_len > 4 && (nm.substr (nm_len-4) == ".oct" | |
| 184 || nm.substr (nm_len-4) == ".mex")) | |
| 185 || (nm_len > 2 && nm.substr (nm_len-4) == ".m"))) | |
| 186 file = nm; | |
| 187 else | |
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188 { |
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189 // FIXME -- this lookup is not right since it doesn't |
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190 // account for dispatch type. |
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191 |
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192 // We don't want to make this an absolute name, |
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193 // because load_fcn_file looks at the name to |
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194 // decide whether it came from a relative lookup. |
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195 |
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196 file = load_path::find_fcn (nm, dir_name); |
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197 } |
| 4913 | 198 |
| 7336 | 199 if (file.empty ()) |
| 200 { | |
| 201 // Can't see this function from current | |
| 202 // directory, so we should clear it. | |
| 195 | 203 |
| 7336 | 204 function = octave_value (); |
| 205 } | |
| 206 else if (same_file (file, ff)) | |
| 207 { | |
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208 // Same file. If it is out of date, then reload it. |
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209 |
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210 octave_time ottp = fcn->time_parsed (); |
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211 time_t tp = ottp.unix_time (); |
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212 |
| 7336 | 213 fcn->mark_fcn_file_up_to_date (octave_time ()); |
| 1 | 214 |
| 7336 | 215 if (! (Vignore_function_time_stamp == 2 |
| 216 || (Vignore_function_time_stamp | |
| 217 && fcn->is_system_fcn_file ()))) | |
| 218 { | |
| 219 file_stat fs (ff); | |
| 572 | 220 |
| 7336 | 221 if (fs) |
| 222 { | |
| 223 if (fs.is_newer (tp)) | |
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224 retval = load_out_of_date_fcn (ff, dir_name, |
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225 function); |
| 7336 | 226 } |
| 227 else | |
| 228 function = octave_value (); | |
| 6829 | 229 } |
| 230 } | |
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231 else |
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232 { |
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233 // Not the same file, so load the new file in |
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234 // place of the old. |
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235 |
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236 retval = load_out_of_date_fcn (file, dir_name, function); |
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237 } |
| 6829 | 238 } |
| 239 } | |
| 4009 | 240 } |
| 241 } | |
| 242 | |
| 243 return retval; | |
| 244 } | |
| 245 | |
| 246 bool | |
| 7336 | 247 out_of_date_check (octave_value& function) |
| 4009 | 248 { |
| 7336 | 249 return out_of_date_check_internal (function); |
| 250 } | |
| 4009 | 251 |
| 7336 | 252 octave_value |
| 253 symbol_table::fcn_info::fcn_info_rep::load_private_function | |
| 254 (const std::string& dir_name) | |
| 255 { | |
| 256 octave_value retval; | |
| 257 | |
| 258 std::string file_name = load_path::find_private_fcn (dir_name, name); | |
| 259 | |
| 260 if (! file_name.empty ()) | |
| 4009 | 261 { |
| 7336 | 262 octave_function *fcn = load_fcn_from_file (file_name); |
| 4009 | 263 |
| 7336 | 264 if (fcn) |
| 4009 | 265 { |
| 7336 | 266 retval = octave_value (fcn); |
| 4009 | 267 |
| 7336 | 268 private_functions[dir_name] = retval; |
| 4009 | 269 } |
| 270 } | |
| 271 | |
| 272 return retval; | |
| 273 } | |
| 274 | |
| 7336 | 275 octave_value |
| 276 symbol_table::fcn_info::fcn_info_rep::load_class_constructor (void) | |
| 4009 | 277 { |
| 7336 | 278 octave_value retval; |
| 279 | |
| 280 std::string dir_name; | |
| 4009 | 281 |
| 7336 | 282 std::string file_name = load_path::find_method (name, name, dir_name); |
| 283 | |
| 284 if (! file_name.empty ()) | |
| 4009 | 285 { |
| 7336 | 286 octave_function *fcn = load_fcn_from_file (file_name, dir_name, name); |
| 4009 | 287 |
| 7336 | 288 if (fcn) |
| 4009 | 289 { |
| 7336 | 290 retval = octave_value (fcn); |
| 291 | |
| 292 class_constructors[name] = retval; | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 return retval; | |
| 297 } | |
| 298 | |
| 299 octave_value | |
| 300 symbol_table::fcn_info::fcn_info_rep::load_class_method | |
| 301 (const std::string& dispatch_type) | |
| 302 { | |
| 303 octave_value retval; | |
| 4009 | 304 |
| 7336 | 305 std::string dir_name; |
| 306 | |
| 307 std::string file_name = load_path::find_method (dispatch_type, name, dir_name); | |
| 4009 | 308 |
| 7336 | 309 if (! file_name.empty ()) |
| 310 { | |
| 311 octave_function *fcn = load_fcn_from_file (file_name, dir_name, | |
| 312 dispatch_type); | |
| 4009 | 313 |
| 7336 | 314 if (fcn) |
| 315 { | |
| 316 retval = octave_value (fcn); | |
| 317 | |
| 318 class_methods[dispatch_type] = retval; | |
| 4009 | 319 } |
| 320 } | |
| 321 | |
| 322 return retval; | |
| 323 } | |
| 324 | |
| 7336 | 325 void |
| 326 symbol_table::fcn_info::fcn_info_rep::print_dispatch (std::ostream& os) const | |
| 1 | 327 { |
| 7336 | 328 if (dispatch_map.empty ()) |
| 329 os << "dispatch: " << name << " is not overloaded" << std::endl; | |
| 330 else | |
| 331 { | |
| 332 os << "Overloaded function " << name << ":\n\n"; | |
| 333 | |
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334 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
| 7336 | 335 p != dispatch_map.end (); p++) |
| 336 os << " " << name << " (" << p->first << ", ...) -> " | |
| 337 << p->second << " (" << p->first << ", ...)\n"; | |
| 3013 | 338 |
| 7336 | 339 os << std::endl; |
| 340 } | |
| 341 } | |
| 342 | |
| 343 std::string | |
| 344 symbol_table::fcn_info::fcn_info_rep::help_for_dispatch (void) const | |
| 345 { | |
| 346 std::string retval; | |
| 347 | |
| 348 if (! dispatch_map.empty ()) | |
| 1 | 349 { |
| 7336 | 350 retval = "Overloaded function:\n\n"; |
| 351 | |
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352 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
| 7336 | 353 p != dispatch_map.end (); p++) |
| 354 retval += " " + p->second + " (" + p->first + ", ...)\n\n"; | |
| 355 } | |
| 356 | |
| 357 return retval; | |
| 358 } | |
| 359 | |
| 360 // Find the definition of NAME according to the following precedence | |
| 361 // list: | |
| 362 // | |
| 363 // variable | |
| 364 // subfunction | |
| 365 // private function | |
| 366 // class constructor | |
| 367 // class method | |
| 368 // legacy dispatch | |
| 369 // command-line function | |
| 370 // autoload function | |
| 371 // function on the path | |
| 372 // built-in function | |
| 3013 | 373 |
| 7336 | 374 // Notes: |
| 375 // | |
| 376 // FIXME -- we need to evaluate the argument list to determine the | |
| 377 // dispatch type. The method used here works (pass in the args, pass | |
| 378 // out the evaluated args and a flag saying whether the evaluation was | |
| 379 // needed), but it seems a bit inelegant. We do need to save the | |
| 380 // evaluated args in some way to avoid evaluating them multiple times. | |
| 381 // Maybe evaluated args could be attached to the tree_argument_list | |
| 382 // object? Then the argument list could be evaluated outside of this | |
| 383 // function and we could elimnate the arg_names, evaluated_args, and | |
| 384 // args_evaluated arguments. We would still want to avoid computing | |
| 385 // the dispatch type unless it is needed, so the args should be passed | |
| 386 // rather than the dispatch type. But the arguments will need to be | |
| 387 // evaluated no matter what, so evaluating them beforehand should be | |
| 388 // OK. If the evaluated arguments are attached to args, then we would | |
| 389 // need to determine the appropriate place(s) to clear them (for | |
| 390 // example, before returning from tree_index_expression::rvalue). | |
| 391 | |
| 392 octave_value | |
| 393 symbol_table::fcn_info::fcn_info_rep::find | |
| 394 (tree_argument_list *args, const string_vector& arg_names, | |
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395 octave_value_list& evaluated_args, bool& args_evaluated) |
| 7336 | 396 { |
| 397 static bool deja_vu = false; | |
| 398 | |
| 399 // Subfunction. I think it only makes sense to check for | |
| 400 // subfunctions if we are currently executing a function defined | |
| 401 // from a .m file. | |
| 402 | |
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403 scope_val_iterator r = subfunctions.find (xcurrent_scope); |
| 7336 | 404 |
| 405 if (r != subfunctions.end ()) | |
| 406 { | |
| 407 // FIXME -- out-of-date check here. | |
| 408 | |
| 409 return r->second; | |
| 410 } | |
| 411 else if (curr_parent_function) | |
| 412 { | |
| 413 scope_id pscope = curr_parent_function->scope (); | |
| 414 | |
| 415 r = subfunctions.find (pscope); | |
| 416 | |
| 417 if (r != subfunctions.end ()) | |
| 1 | 418 { |
| 7336 | 419 // FIXME -- out-of-date check here. |
| 420 | |
| 421 return r->second; | |
| 1 | 422 } |
| 423 } | |
| 3013 | 424 |
| 7336 | 425 // Private function. |
| 1 | 426 |
| 7336 | 427 octave_function *curr_fcn = octave_call_stack::current (); |
| 1 | 428 |
| 7336 | 429 if (curr_fcn) |
| 430 { | |
| 431 std::string dir_name = curr_fcn->dir_name (); | |
| 1 | 432 |
| 7336 | 433 if (! dir_name.empty ()) |
| 434 { | |
| 435 str_val_iterator q = private_functions.find (dir_name); | |
| 4913 | 436 |
| 7336 | 437 if (q == private_functions.end ()) |
| 438 { | |
| 439 octave_value val = load_private_function (dir_name); | |
| 4913 | 440 |
| 7336 | 441 if (val.is_defined ()) |
| 442 return val; | |
| 443 } | |
| 444 else | |
| 4913 | 445 { |
| 7336 | 446 octave_value& fval = q->second; |
| 4913 | 447 |
| 7336 | 448 if (fval.is_defined ()) |
| 449 out_of_date_check_internal (fval); | |
| 4913 | 450 |
| 7336 | 451 if (fval.is_defined ()) |
| 452 return fval; | |
| 453 else | |
| 454 { | |
| 455 octave_value val = load_private_function (dir_name); | |
| 4913 | 456 |
| 7336 | 457 if (val.is_defined ()) |
| 458 return val; | |
| 4913 | 459 } |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 | |
| 7336 | 464 // Class constructors. The class name and function name are the same. |
| 4913 | 465 |
| 7336 | 466 str_val_iterator q = class_constructors.find (name); |
| 4913 | 467 |
| 7336 | 468 if (q == class_constructors.end ()) |
| 469 { | |
| 470 octave_value val = load_class_constructor (); | |
| 3013 | 471 |
| 7336 | 472 if (val.is_defined ()) |
| 473 return val; | |
| 474 } | |
| 475 else | |
| 1 | 476 { |
| 7336 | 477 octave_value& fval = q->second; |
| 3013 | 478 |
| 7336 | 479 if (fval.is_defined ()) |
| 480 out_of_date_check_internal (fval); | |
| 867 | 481 |
| 7336 | 482 if (fval.is_defined ()) |
| 483 return fval; | |
| 484 else | |
| 485 { | |
| 486 octave_value val = load_class_constructor (); | |
| 867 | 487 |
| 7336 | 488 if (val.is_defined ()) |
| 489 return val; | |
| 1 | 490 } |
| 491 } | |
| 1755 | 492 |
| 7336 | 493 // Class methods. |
| 1 | 494 |
| 7336 | 495 if (args_evaluated || (args && args->length () > 0)) |
| 496 { | |
| 497 if (! args_evaluated) | |
| 498 evaluated_args = args->convert_to_const_vector (); | |
| 3013 | 499 |
| 7336 | 500 if (! error_state) |
| 501 { | |
| 502 int n = evaluated_args.length (); | |
| 503 | |
| 504 if (n > 0 && ! args_evaluated) | |
| 505 evaluated_args.stash_name_tags (arg_names); | |
| 506 | |
| 507 args_evaluated = true; | |
| 508 | |
| 509 // FIXME -- need to handle precedence. | |
| 3013 | 510 |
| 7336 | 511 std::string dispatch_type = evaluated_args(0).class_name (); |
| 3013 | 512 |
| 7336 | 513 for (int i = 1; i < n; i++) |
| 514 { | |
| 515 octave_value arg = evaluated_args(i); | |
| 3013 | 516 |
| 7336 | 517 if (arg.is_object ()) |
| 518 { | |
| 519 dispatch_type = arg.class_name (); | |
| 520 break; | |
| 521 } | |
| 522 } | |
| 3013 | 523 |
| 7336 | 524 octave_value fcn = find_method (dispatch_type); |
| 525 | |
| 526 if (fcn.is_defined ()) | |
| 527 return fcn; | |
| 528 } | |
| 529 else | |
| 530 return octave_value (); | |
| 3013 | 531 } |
| 532 | |
| 7336 | 533 // Legacy dispatch. We just check args_evaluated here because the |
| 534 // actual evaluation will have happened already when searching for | |
| 535 // class methods. | |
| 536 | |
| 537 if (args_evaluated && ! dispatch_map.empty ()) | |
| 538 { | |
| 539 std::string dispatch_type = evaluated_args(0).type_name (); | |
| 540 | |
| 541 std::string fname; | |
| 542 | |
| 543 dispatch_map_iterator p = dispatch_map.find (dispatch_type); | |
| 544 | |
| 545 if (p == dispatch_map.end ()) | |
| 546 p = dispatch_map.find ("any"); | |
| 3013 | 547 |
| 7336 | 548 if (p != dispatch_map.end ()) |
| 549 { | |
| 550 fname = p->second; | |
| 551 | |
| 552 octave_value fcn | |
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553 = symbol_table::find_function (fname, evaluated_args); |
| 7336 | 554 |
| 555 if (fcn.is_defined ()) | |
| 556 return fcn; | |
| 557 } | |
| 558 } | |
| 559 | |
| 560 // Command-line function. | |
| 561 | |
| 562 if (cmdline_function.is_defined ()) | |
| 563 return cmdline_function; | |
| 564 | |
| 565 // Autoload? | |
| 3013 | 566 |
| 7336 | 567 octave_value fcn = find_autoload (); |
| 568 | |
| 569 if (fcn.is_defined ()) | |
| 570 return fcn; | |
| 571 | |
| 572 // Function on the path. | |
| 573 | |
| 574 fcn = find_user_function (); | |
| 575 | |
| 576 if (fcn.is_defined ()) | |
| 577 return fcn; | |
| 578 | |
| 579 // Built-in function. | |
| 580 | |
| 581 if (built_in_function.is_defined ()) | |
| 582 return built_in_function; | |
| 3013 | 583 |
| 7336 | 584 // At this point, we failed to find anything. It is possible that |
| 585 // the user created a file on the fly since the last prompt or | |
| 586 // chdir, so try updating the load path and searching again. | |
| 587 | |
| 588 octave_value retval; | |
| 3145 | 589 |
| 7336 | 590 if (! deja_vu) |
| 591 { | |
| 592 load_path::update (); | |
| 593 | |
| 594 deja_vu = true; | |
| 595 | |
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596 retval = find (args, arg_names, evaluated_args, args_evaluated); |
| 7336 | 597 } |
| 598 | |
| 599 deja_vu = false; | |
| 600 | |
| 601 return retval; | |
| 3013 | 602 } |
| 1 | 603 |
| 7336 | 604 octave_value |
| 605 symbol_table::fcn_info::fcn_info_rep::find_method (const std::string& dispatch_type) | |
| 4913 | 606 { |
| 7336 | 607 octave_value retval; |
| 4913 | 608 |
| 7336 | 609 str_val_iterator q = class_methods.find (dispatch_type); |
| 4913 | 610 |
| 7336 | 611 if (q == class_methods.end ()) |
| 612 { | |
| 613 octave_value val = load_class_method (dispatch_type); | |
| 4913 | 614 |
| 7336 | 615 if (val.is_defined ()) |
| 616 return val; | |
| 617 } | |
| 618 else | |
| 619 { | |
| 620 octave_value& fval = q->second; | |
| 4913 | 621 |
| 7336 | 622 if (fval.is_defined ()) |
| 623 out_of_date_check_internal (fval); | |
| 624 | |
| 625 if (fval.is_defined ()) | |
| 626 return fval; | |
| 4913 | 627 else |
| 628 { | |
| 7336 | 629 octave_value val = load_class_method (dispatch_type); |
| 630 | |
| 631 if (val.is_defined ()) | |
| 632 return val; | |
| 4913 | 633 } |
| 634 } | |
| 635 | |
| 7336 | 636 return retval; |
| 4913 | 637 } |
| 638 | |
| 7336 | 639 octave_value |
| 640 symbol_table::fcn_info::fcn_info_rep::find_autoload (void) | |
| 4913 | 641 { |
| 7336 | 642 octave_value retval; |
| 4913 | 643 |
| 7336 | 644 // Autoloaded function. |
| 4913 | 645 |
| 7336 | 646 if (autoload_function.is_defined ()) |
| 647 out_of_date_check_internal (autoload_function); | |
| 4913 | 648 |
| 7336 | 649 if (! autoload_function.is_defined ()) |
| 650 { | |
| 651 std::string file_name = lookup_autoload (name); | |
| 4913 | 652 |
| 7336 | 653 if (! file_name.empty ()) |
| 654 { | |
| 655 size_t pos = file_name.find_last_of (file_ops::dir_sep_chars); | |
| 4913 | 656 |
| 7336 | 657 std::string dir_name = file_name.substr (0, pos); |
| 4913 | 658 |
| 7336 | 659 octave_function *fcn = load_fcn_from_file (file_name, dir_name, |
| 660 "", name, true); | |
| 4913 | 661 |
| 7336 | 662 if (fcn) |
| 663 autoload_function = octave_value (fcn); | |
| 664 } | |
| 4913 | 665 } |
| 666 | |
| 7336 | 667 return autoload_function; |
| 668 } | |
| 4914 | 669 |
| 7336 | 670 octave_value |
| 671 symbol_table::fcn_info::fcn_info_rep::find_user_function (void) | |
| 672 { | |
| 673 // Function on the path. | |
| 4913 | 674 |
| 7336 | 675 if (function_on_path.is_defined ()) |
| 676 out_of_date_check_internal (function_on_path); | |
| 4913 | 677 |
| 7336 | 678 if (! function_on_path.is_defined ()) |
| 679 { | |
| 680 std::string dir_name; | |
| 4913 | 681 |
| 7336 | 682 std::string file_name = load_path::find_fcn (name, dir_name); |
| 4913 | 683 |
| 7336 | 684 if (! file_name.empty ()) |
| 685 { | |
| 686 octave_function *fcn = load_fcn_from_file (file_name, dir_name); | |
| 4913 | 687 |
| 7336 | 688 if (fcn) |
| 689 function_on_path = octave_value (fcn); | |
| 4913 | 690 } |
| 691 } | |
| 692 | |
| 7336 | 693 return function_on_path; |
| 694 } | |
| 695 | |
|
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696 static std::string |
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697 fcn_file_name (const octave_value& fcn) |
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698 { |
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699 const octave_function *f = fcn.function_value (); |
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700 |
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701 return f ? f->fcn_file_name () : std::string (); |
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702 } |
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703 |
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704 void |
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705 symbol_table::fcn_info::fcn_info_rep::dump |
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706 (std::ostream& os, const std::string& prefix) const |
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707 { |
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708 os << prefix << name |
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709 << " [" |
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710 << (cmdline_function.is_defined () ? "c" : "") |
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711 << (built_in_function.is_defined () ? "b" : "") |
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712 << "]\n"; |
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713 |
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714 std::string tprefix = prefix + " "; |
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715 |
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716 if (autoload_function.is_defined ()) |
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717 os << tprefix << "autoload: " |
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718 << fcn_file_name (autoload_function) << "\n"; |
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719 |
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720 if (function_on_path.is_defined ()) |
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721 os << tprefix << "function from path: " |
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722 << fcn_file_name (function_on_path) << "\n"; |
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723 |
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724 if (! subfunctions.empty ()) |
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725 { |
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726 for (scope_val_const_iterator p = subfunctions.begin (); |
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727 p != subfunctions.end (); p++) |
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728 os << tprefix << "subfunction: " << fcn_file_name (p->second) |
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729 << " [" << p->first << "]\n"; |
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730 } |
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731 |
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732 if (! private_functions.empty ()) |
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733 { |
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734 for (str_val_const_iterator p = private_functions.begin (); |
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735 p != private_functions.end (); p++) |
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736 os << tprefix << "private: " << fcn_file_name (p->second) |
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changeset
|
737 << " [" << p->first << "]\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
738 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
739 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
740 if (! class_constructors.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
741 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
742 for (str_val_const_iterator p = class_constructors.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
743 p != class_constructors.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
744 os << tprefix << "constructor: " << fcn_file_name (p->second) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
745 << " [" << p->first << "]\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
746 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
747 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
748 if (! class_methods.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
749 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
750 for (str_val_const_iterator p = class_methods.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
751 p != class_methods.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
752 os << tprefix << "method: " << fcn_file_name (p->second) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
753 << " [" << p->first << "]\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
754 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
755 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
756 if (! dispatch_map.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
757 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
758 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
759 p != dispatch_map.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
760 os << tprefix << "dispatch: " << fcn_file_name (p->second) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
761 << " [" << p->first << "]\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
762 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
763 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
764 |
| 7336 | 765 octave_value |
| 766 symbol_table::fcn_info::find (tree_argument_list *args, | |
| 767 const string_vector& arg_names, | |
| 768 octave_value_list& evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
769 bool& args_evaluated) |
| 7336 | 770 { |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
771 return rep->find (args, arg_names, evaluated_args, args_evaluated); |
| 7336 | 772 } |
| 773 | |
| 774 octave_value | |
| 775 symbol_table::find (const std::string& name, tree_argument_list *args, | |
| 776 const string_vector& arg_names, | |
| 777 octave_value_list& evaluated_args, bool& args_evaluated, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
778 bool skip_variables) |
| 7336 | 779 { |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
780 symbol_table *inst = get_instance (xcurrent_scope); |
| 7336 | 781 |
| 782 return inst | |
| 783 ? inst->do_find (name, args, arg_names, evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
784 args_evaluated, skip_variables) |
| 7336 | 785 : octave_value (); |
| 786 } | |
| 787 | |
| 788 octave_value | |
| 789 symbol_table::find_function (const std::string& name, tree_argument_list *args, | |
| 790 const string_vector& arg_names, | |
| 791 octave_value_list& evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
792 bool& args_evaluated) |
| 7336 | 793 { |
|
7818
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
794 octave_value retval; |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
795 size_t pos = name.find_first_of (Vfilemarker); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
796 |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
797 if (pos == NPOS) |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
798 retval = find (name, args, arg_names, evaluated_args, args_evaluated, true); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
799 else |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
800 { |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
801 std::string fcn_scope = name.substr(0, pos); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
802 scope_id stored_scope = xcurrent_scope; |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
803 xcurrent_scope = xtop_scope; |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
804 octave_value parent = find_function (name.substr(0, pos)); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
805 if (parent.is_defined ()) |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
806 { |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
807 octave_function *parent_fcn = parent.function_value (); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
808 if (parent_fcn) |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
809 { |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
810 xcurrent_scope = parent_fcn->scope (); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
811 if (xcurrent_scope > 1) |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
812 retval = find_function (name.substr (pos + 1), args, arg_names, |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
813 evaluated_args, args_evaluated); |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
814 } |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
815 } |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
816 xcurrent_scope = stored_scope; |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
817 } |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
818 |
|
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
819 return retval; |
| 4913 | 820 } |
| 821 | |
|
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
822 void |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
823 symbol_table::dump (std::ostream& os, scope_id scope) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
824 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
825 if (scope == xglobal_scope) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
826 dump_global (os); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
827 else |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
828 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
829 symbol_table *inst = get_instance (scope, false); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
830 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
831 if (inst) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
832 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
833 os << "*** dumping symbol table scope " << scope |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
834 << " (" << inst->table_name << ")\n\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
835 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
836 std::map<std::string, octave_value> sfuns |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
837 = symbol_table::subfunctions_defined_in_scope (scope); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
838 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
839 if (! sfuns.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
840 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
841 os << " subfunctions defined in this scope:\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
842 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
843 for (std::map<std::string, octave_value>::const_iterator p = sfuns.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
844 p != sfuns.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
845 os << " " << p->first << "\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
846 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
847 os << "\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
848 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
849 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
850 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
851 inst->do_dump (os); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
852 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
853 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
854 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
855 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
856 void |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
857 symbol_table::dump_global (std::ostream& os) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
858 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
859 if (! global_table.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
860 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
861 os << "*** dumping global symbol table\n\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
862 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
863 for (global_table_const_iterator p = global_table.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
864 p != global_table.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
865 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
866 std::string nm = p->first; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
867 octave_value val = p->second; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
868 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
869 os << " " << nm << " "; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
870 val.dump (os); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
871 os << "\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
872 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
873 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
874 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
875 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
876 void |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
877 symbol_table::dump_functions (std::ostream& os) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
878 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
879 if (! fcn_table.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
880 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
881 os << "*** dumping globally visible functions from symbol table\n" |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
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882 << " (c=commandline, b=built-in)\n\n"; |
|
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883 |
|
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884 for (fcn_table_const_iterator p = fcn_table.begin (); |
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885 p != fcn_table.end (); p++) |
|
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886 p->second.dump (os, " "); |
|
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887 |
|
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888 os << "\n"; |
|
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889 } |
|
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890 } |
|
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891 |
| 7336 | 892 octave_value |
| 893 symbol_table::do_find (const std::string& name, tree_argument_list *args, | |
| 894 const string_vector& arg_names, | |
| 895 octave_value_list& evaluated_args, | |
|
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896 bool& args_evaluated, bool skip_variables) |
| 3013 | 897 { |
| 7336 | 898 octave_value retval; |
| 4913 | 899 |
| 7336 | 900 // Variable. |
| 4913 | 901 |
| 7336 | 902 if (! skip_variables) |
| 3013 | 903 { |
| 7336 | 904 table_iterator p = table.find (name); |
| 3013 | 905 |
| 7336 | 906 if (p != table.end ()) |
| 907 { | |
|
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908 symbol_record sr = p->second; |
| 3013 | 909 |
| 7336 | 910 // FIXME -- should we be using something other than varref here? |
| 5005 | 911 |
| 7336 | 912 if (sr.is_global ()) |
|
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913 return symbol_table::global_varref (name); |
| 7336 | 914 else |
| 915 { | |
| 916 octave_value& val = sr.varref (); | |
| 4913 | 917 |
| 7336 | 918 if (val.is_defined ()) |
| 919 return val; | |
| 920 } | |
| 921 } | |
| 922 } | |
| 4913 | 923 |
| 7336 | 924 fcn_table_iterator p = fcn_table.find (name); |
| 4913 | 925 |
| 7336 | 926 if (p != fcn_table.end ()) |
| 927 { | |
| 928 evaluated_args = octave_value_list (); | |
| 929 args_evaluated = false; | |
| 3013 | 930 |
|
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931 return p->second.find (args, arg_names, evaluated_args, args_evaluated); |
| 3013 | 932 } |
| 933 else | |
| 934 { | |
| 7336 | 935 fcn_info finfo (name); |
| 936 | |
| 937 octave_value fcn = finfo.find (args, arg_names, evaluated_args, | |
|
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938 args_evaluated); |
| 3013 | 939 |
| 7336 | 940 if (fcn.is_defined ()) |
| 941 fcn_table[name] = finfo; | |
| 3013 | 942 |
| 7336 | 943 return fcn; |
| 3013 | 944 } |
| 945 | |
| 7336 | 946 return retval; |
| 605 | 947 } |
| 948 | |
|
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949 void |
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950 symbol_table::do_dump (std::ostream& os) |
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951 { |
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952 if (! persistent_table.empty ()) |
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953 { |
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954 os << " persistent variables in this scope:\n\n"; |
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955 |
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956 for (persistent_table_const_iterator p = persistent_table.begin (); |
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957 p != persistent_table.end (); p++) |
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958 { |
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959 std::string nm = p->first; |
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960 octave_value val = p->second; |
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961 |
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962 os << " " << nm << " "; |
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963 val.dump (os); |
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964 os << "\n"; |
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965 } |
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966 |
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967 os << "\n"; |
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968 } |
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969 |
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970 if (! table.empty ()) |
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971 { |
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972 os << " other symbols in this scope (l=local; a=auto; f=formal\n" |
|
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973 << " h=hidden; i=inherited; g=global; p=persistent)\n\n"; |
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974 |
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975 for (table_const_iterator p = table.begin (); p != table.end (); p++) |
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976 p->second.dump (os, " "); |
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977 |
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978 os << "\n"; |
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979 } |
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980 } |
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981 |
| 7336 | 982 DEFUN (ignore_function_time_stamp, args, nargout, |
| 983 "-*- texinfo -*-\n\ | |
| 984 @deftypefn {Built-in Function} {@var{val} =} ignore_function_time_stamp ()\n\ | |
| 985 @deftypefnx {Built-in Function} {@var{old_val} =} ignore_function_time_stamp (@var{new_val})\n\ | |
| 986 Query or set the internal variable that controls whether Octave checks\n\ | |
| 987 the time stamp on files each time it looks up functions defined in\n\ | |
| 988 function files. If the internal variable is set to @code{\"system\"},\n\ | |
| 989 Octave will not automatically recompile function files in subdirectories of\n\ | |
| 990 @file{@var{octave-home}/lib/@var{version}} if they have changed since\n\ | |
| 991 they were last compiled, but will recompile other function files in the\n\ | |
| 992 search path if they change. If set to @code{\"all\"}, Octave will not\n\ | |
| 993 recompile any function files unless their definitions are removed with\n\ | |
| 994 @code{clear}. If set to \"none\", Octave will always check time stamps\n\ | |
| 995 on files to determine whether functions defined in function files\n\ | |
| 996 need to recompiled.\n\ | |
| 997 @end deftypefn") | |
| 220 | 998 { |
| 7336 | 999 octave_value retval; |
| 220 | 1000 |
| 7336 | 1001 if (nargout > 0) |
| 5861 | 1002 { |
| 7336 | 1003 switch (Vignore_function_time_stamp) |
| 5861 | 1004 { |
| 7336 | 1005 case 1: |
| 1006 retval = "system"; | |
| 1007 break; | |
| 5861 | 1008 |
| 7336 | 1009 case 2: |
| 1010 retval = "all"; | |
| 1011 break; | |
| 5861 | 1012 |
| 7336 | 1013 default: |
| 1014 retval = "none"; | |
| 1015 break; | |
| 5861 | 1016 } |
| 1017 } | |
| 1018 | |
| 7336 | 1019 int nargin = args.length (); |
| 5861 | 1020 |
| 7336 | 1021 if (nargin == 1) |
| 3013 | 1022 { |
| 7336 | 1023 std::string sval = args(0).string_value (); |
| 1 | 1024 |
| 7336 | 1025 if (! error_state) |
| 1026 { | |
| 1027 if (sval == "all") | |
| 1028 Vignore_function_time_stamp = 2; | |
| 1029 else if (sval == "system") | |
| 1030 Vignore_function_time_stamp = 1; | |
| 1031 else if (sval == "none") | |
| 1032 Vignore_function_time_stamp = 0; | |
| 1033 else | |
| 1034 error ("ignore_function_time_stamp: expecting argument to be \"all\", \"system\", or \"none\""); | |
| 1035 } | |
| 1036 else | |
| 1037 error ("ignore_function_time_stamp: expecting argument to be character string"); | |
| 1038 } | |
| 1039 else if (nargin > 1) | |
| 1040 print_usage (); | |
| 4238 | 1041 |
| 7336 | 1042 return retval; |
| 3308 | 1043 } |
| 1044 | |
|
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1045 DEFUN (__current_scope__, , , |
|
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1046 "-*- texinfo -*-\n\ |
|
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1047 @deftypefn {Built-in Function} {[@var{scope}, @var{context}]} __dump_symtab_info__ ()\n\ |
|
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1048 Undocumented internal function.\n\ |
|
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1049 @end deftypefn") |
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1050 { |
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1051 octave_value_list retval; |
|
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1052 |
|
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1053 retval(1) = symbol_table::current_context (); |
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1054 retval(0) = symbol_table::current_scope (); |
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1055 |
|
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1056 return retval; |
|
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1057 } |
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1058 |
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1059 DEFUN (__dump_symtab_info__, args, , |
|
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1060 "-*- texinfo -*-\n\ |
|
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1061 @deftypefn {Built-in Function} {} __dump_symtab_info__ ()\n\ |
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1062 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (@var{scope})\n\ |
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1063 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (\"scopes\")\n\ |
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1064 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (\"functions\")\n\ |
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1065 Undocumented internal function.\n\ |
|
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1066 @end deftypefn") |
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1067 { |
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1068 octave_value retval; |
|
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1069 |
|
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1070 int nargin = args.length (); |
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1071 |
|
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1072 if (nargin == 0) |
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1073 { |
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1074 symbol_table::dump_functions (octave_stdout); |
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1075 |
|
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1076 symbol_table::dump_global (octave_stdout); |
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1077 |
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1078 std::list<symbol_table::scope_id> lst = symbol_table::scopes (); |
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1079 |
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1080 for (std::list<symbol_table::scope_id>::const_iterator p = lst.begin (); |
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1081 p != lst.end (); p++) |
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1082 symbol_table::dump (octave_stdout, *p); |
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1083 } |
|
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1084 else if (nargin == 1) |
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1085 { |
|
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1086 octave_value arg = args(0); |
|
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1087 |
|
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1088 if (arg.is_string ()) |
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1089 { |
|
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1090 std::string s_arg = arg.string_value (); |
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1091 |
|
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1092 if (s_arg == "scopes") |
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1093 { |
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1094 std::list<symbol_table::scope_id> lst = symbol_table::scopes (); |
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1095 |
|
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1096 RowVector v (lst.size ()); |
|
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1097 |
|
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1098 octave_idx_type k = 0; |
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1099 |
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1100 for (std::list<symbol_table::scope_id>::const_iterator p = lst.begin (); |
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1101 p != lst.end (); p++) |
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1102 v.xelem (k++) = *p; |
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1103 |
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1104 retval = v; |
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1105 } |
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1106 else if (s_arg == "functions") |
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1107 { |
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1108 symbol_table::dump_functions (octave_stdout); |
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1109 } |
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1110 else |
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1111 error ("__dump_symtab_info__: expecting \"functions\" or \"scopes\""); |
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1112 } |
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1113 else |
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1114 { |
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1115 int s = arg.int_value (); |
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1116 |
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1117 if (! error_state) |
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1118 symbol_table::dump (octave_stdout, s); |
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1119 else |
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1120 error ("__dump_symtab_info__: expecting string or scope id"); |
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1121 } |
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1122 } |
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1123 else |
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1124 print_usage (); |
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1125 |
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1126 return retval; |
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1127 } |
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1128 |
| 7437 | 1129 #if 0 |
| 1130 | |
| 1131 // FIXME -- should we have functions like this in Octave? | |
| 1132 | |
| 1133 DEFUN (set_variable, args, , "set_variable (NAME, VALUE)") | |
| 1134 { | |
| 1135 octave_value retval; | |
| 1136 | |
| 1137 if (args.length () == 2) | |
| 1138 { | |
| 1139 std::string name = args(0).string_value (); | |
| 1140 | |
| 1141 if (! error_state) | |
| 1142 symbol_table::varref (name) = args(1); | |
| 1143 else | |
| 1144 error ("set_variable: expecting variable name as first argument"); | |
| 1145 } | |
| 1146 else | |
| 1147 print_usage (); | |
| 1148 | |
| 1149 return retval; | |
| 1150 } | |
| 1151 | |
| 1152 DEFUN (variable_value, args, , "VALUE = variable_value (NAME)") | |
| 1153 { | |
| 1154 octave_value retval; | |
| 1155 | |
| 1156 if (args.length () == 1) | |
| 1157 { | |
| 1158 std::string name = args(0).string_value (); | |
| 1159 | |
| 1160 if (! error_state) | |
| 1161 { | |
| 1162 retval = symbol_table::varval (name); | |
| 1163 | |
| 1164 if (retval.is_undefined ()) | |
| 1165 error ("variable_value: `%s' is not a variable in the current scope", | |
| 1166 name.c_str ()); | |
| 1167 } | |
| 1168 else | |
| 1169 error ("variable_value: expecting variable name as first argument"); | |
| 1170 } | |
| 1171 else | |
| 1172 print_usage (); | |
| 1173 | |
| 1174 return retval; | |
| 1175 } | |
| 1176 #endif | |
| 1177 | |
| 1 | 1178 /* |
| 1179 ;;; Local Variables: *** | |
| 1180 ;;; mode: C++ *** | |
| 1181 ;;; End: *** | |
| 1182 */ |