Mercurial > hg > octave-avbm
annotate src/symtab.cc @ 7767:71f068b22fcc
scope and context fixes for function handles
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 07 May 2008 13:45:30 -0400 |
| parents | 5adeea5de26c |
| children | 5640a70cbab1 |
| 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; |
| 60 symbol_table::scope_id symbol_table::xcurrent_caller_scope = -1; | |
| 3308 | 61 |
| 7336 | 62 symbol_table::scope_id symbol_table::xparent_scope = -1; |
| 63 | |
| 64 std::deque<symbol_table::scope_id> symbol_table::scope_stack; | |
| 4238 | 65 |
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66 symbol_table::context_id symbol_table::xcurrent_context = 0; |
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67 |
| 7336 | 68 // Should Octave always check to see if function files have changed |
| 69 // since they were last compiled? | |
| 70 static int Vignore_function_time_stamp = 1; | |
| 3355 | 71 |
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72 void |
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73 symbol_table::symbol_record::symbol_record_rep::dump |
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74 (std::ostream& os, const std::string& prefix) const |
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75 { |
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76 octave_value val = varval (xcurrent_context); |
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77 |
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78 os << prefix << name; |
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79 |
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80 if (val.is_defined ()) |
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81 { |
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82 os << " [" |
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83 << (is_local () ? "l" : "") |
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84 << (is_automatic () ? "a" : "") |
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85 << (is_formal () ? "f" : "") |
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86 << (is_hidden () ? "h" : "") |
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87 << (is_inherited () ? "i" : "") |
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88 << (is_global () ? "g" : "") |
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89 << (is_persistent () ? "p" : "") |
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90 << "] "; |
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91 val.dump (os); |
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92 } |
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93 |
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94 os << "\n"; |
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95 } |
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96 |
| 7336 | 97 octave_value |
| 98 symbol_table::symbol_record::find (tree_argument_list *args, | |
| 99 const string_vector& arg_names, | |
| 100 octave_value_list& evaluated_args, | |
| 101 bool& args_evaluated) const | |
| 102 { | |
| 103 octave_value retval; | |
| 3355 | 104 |
| 7336 | 105 if (is_global ()) |
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106 return symbol_table::global_varref (name ()); |
| 7336 | 107 else |
| 108 { | |
| 109 octave_value val = varval (); | |
| 110 | |
| 111 if (val.is_defined ()) | |
| 112 return val; | |
| 113 } | |
| 114 | |
| 115 return symbol_table::find_function (name (), args, arg_names, | |
| 116 evaluated_args, args_evaluated); | |
| 3355 | 117 } |
| 118 | |
| 7336 | 119 // Check the load path to see if file that defined this is still |
| 120 // visible. If the file is no longer visible, then erase the | |
| 121 // definition and move on. If the file is visible, then we also | |
| 122 // need to check to see whether the file has changed since the the | |
| 123 // function was loaded/parsed. However, this check should only | |
| 124 // happen once per prompt (for files found from relative path | |
| 125 // elements, we also check if the working directory has changed | |
| 126 // since the last time the function was loaded/parsed). | |
| 127 // | |
| 128 // FIXME -- perhaps this should be done for all loaded functions when | |
| 129 // the prompt is printed or the directory has changed, and then we | |
| 130 // would not check for it when finding symbol definitions. | |
| 3355 | 131 |
| 7336 | 132 static inline bool |
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133 load_out_of_date_fcn (const std::string& ff, const std::string& dir_name, |
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134 octave_value& function) |
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135 { |
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136 bool retval = false; |
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137 |
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138 octave_function *fcn = load_fcn_from_file (ff, dir_name); |
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139 |
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140 if (fcn) |
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141 { |
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142 retval = true; |
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143 |
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144 function = octave_value (fcn); |
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145 } |
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146 else |
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147 function = octave_value (); |
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148 |
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149 return retval; |
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150 } |
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151 |
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152 static inline bool |
| 7336 | 153 out_of_date_check_internal (octave_value& function) |
| 1 | 154 { |
| 3013 | 155 bool retval = false; |
| 2949 | 156 |
| 7336 | 157 octave_function *fcn = function.function_value (true); |
| 5861 | 158 |
| 7336 | 159 if (fcn) |
| 220 | 160 { |
| 7336 | 161 // FIXME -- we need to handle nested functions properly here. |
| 4914 | 162 |
| 7336 | 163 if (! fcn->is_nested_function ()) |
| 164 { | |
| 165 std::string ff = fcn->fcn_file_name (); | |
| 4914 | 166 |
| 7336 | 167 if (! ff.empty ()) |
| 168 { | |
| 169 octave_time tc = fcn->time_checked (); | |
| 4913 | 170 |
| 7336 | 171 bool relative = fcn->is_relative (); |
| 3013 | 172 |
| 7336 | 173 if (tc < Vlast_prompt_time |
| 174 || (relative && tc < Vlast_chdir_time)) | |
| 4913 | 175 { |
| 7336 | 176 std::string nm = fcn->name (); |
| 4914 | 177 |
| 7336 | 178 int nm_len = nm.length (); |
| 4913 | 179 |
| 7336 | 180 std::string file; |
| 181 std::string dir_name; | |
| 4913 | 182 |
| 7336 | 183 if (octave_env::absolute_pathname (nm) |
| 184 && ((nm_len > 4 && (nm.substr (nm_len-4) == ".oct" | |
| 185 || nm.substr (nm_len-4) == ".mex")) | |
| 186 || (nm_len > 2 && nm.substr (nm_len-4) == ".m"))) | |
| 187 file = nm; | |
| 188 else | |
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189 { |
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190 // FIXME -- this lookup is not right since it doesn't |
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191 // account for dispatch type. |
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192 |
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193 // We don't want to make this an absolute name, |
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194 // because load_fcn_file looks at the name to |
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195 // decide whether it came from a relative lookup. |
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196 |
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197 file = load_path::find_fcn (nm, dir_name); |
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198 } |
| 4913 | 199 |
| 7336 | 200 if (file.empty ()) |
| 201 { | |
| 202 // Can't see this function from current | |
| 203 // directory, so we should clear it. | |
| 195 | 204 |
| 7336 | 205 function = octave_value (); |
| 206 } | |
| 207 else if (same_file (file, ff)) | |
| 208 { | |
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209 // Same file. If it is out of date, then reload it. |
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210 |
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211 octave_time ottp = fcn->time_parsed (); |
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212 time_t tp = ottp.unix_time (); |
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213 |
| 7336 | 214 fcn->mark_fcn_file_up_to_date (octave_time ()); |
| 1 | 215 |
| 7336 | 216 if (! (Vignore_function_time_stamp == 2 |
| 217 || (Vignore_function_time_stamp | |
| 218 && fcn->is_system_fcn_file ()))) | |
| 219 { | |
| 220 file_stat fs (ff); | |
| 572 | 221 |
| 7336 | 222 if (fs) |
| 223 { | |
| 224 if (fs.is_newer (tp)) | |
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225 retval = load_out_of_date_fcn (ff, dir_name, |
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226 function); |
| 7336 | 227 } |
| 228 else | |
| 229 function = octave_value (); | |
| 6829 | 230 } |
| 231 } | |
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232 else |
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233 { |
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234 // Not the same file, so load the new file in |
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235 // place of the old. |
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236 |
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237 retval = load_out_of_date_fcn (file, dir_name, function); |
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238 } |
| 6829 | 239 } |
| 240 } | |
| 4009 | 241 } |
| 242 } | |
| 243 | |
| 244 return retval; | |
| 245 } | |
| 246 | |
| 247 bool | |
| 7336 | 248 out_of_date_check (octave_value& function) |
| 4009 | 249 { |
| 7336 | 250 return out_of_date_check_internal (function); |
| 251 } | |
| 4009 | 252 |
| 7336 | 253 octave_value |
| 254 symbol_table::fcn_info::fcn_info_rep::load_private_function | |
| 255 (const std::string& dir_name) | |
| 256 { | |
| 257 octave_value retval; | |
| 258 | |
| 259 std::string file_name = load_path::find_private_fcn (dir_name, name); | |
| 260 | |
| 261 if (! file_name.empty ()) | |
| 4009 | 262 { |
| 7336 | 263 octave_function *fcn = load_fcn_from_file (file_name); |
| 4009 | 264 |
| 7336 | 265 if (fcn) |
| 4009 | 266 { |
| 7336 | 267 retval = octave_value (fcn); |
| 4009 | 268 |
| 7336 | 269 private_functions[dir_name] = retval; |
| 4009 | 270 } |
| 271 } | |
| 272 | |
| 273 return retval; | |
| 274 } | |
| 275 | |
| 7336 | 276 octave_value |
| 277 symbol_table::fcn_info::fcn_info_rep::load_class_constructor (void) | |
| 4009 | 278 { |
| 7336 | 279 octave_value retval; |
| 280 | |
| 281 std::string dir_name; | |
| 4009 | 282 |
| 7336 | 283 std::string file_name = load_path::find_method (name, name, dir_name); |
| 284 | |
| 285 if (! file_name.empty ()) | |
| 4009 | 286 { |
| 7336 | 287 octave_function *fcn = load_fcn_from_file (file_name, dir_name, name); |
| 4009 | 288 |
| 7336 | 289 if (fcn) |
| 4009 | 290 { |
| 7336 | 291 retval = octave_value (fcn); |
| 292 | |
| 293 class_constructors[name] = retval; | |
| 294 } | |
| 295 } | |
| 296 | |
| 297 return retval; | |
| 298 } | |
| 299 | |
| 300 octave_value | |
| 301 symbol_table::fcn_info::fcn_info_rep::load_class_method | |
| 302 (const std::string& dispatch_type) | |
| 303 { | |
| 304 octave_value retval; | |
| 4009 | 305 |
| 7336 | 306 std::string dir_name; |
| 307 | |
| 308 std::string file_name = load_path::find_method (dispatch_type, name, dir_name); | |
| 4009 | 309 |
| 7336 | 310 if (! file_name.empty ()) |
| 311 { | |
| 312 octave_function *fcn = load_fcn_from_file (file_name, dir_name, | |
| 313 dispatch_type); | |
| 4009 | 314 |
| 7336 | 315 if (fcn) |
| 316 { | |
| 317 retval = octave_value (fcn); | |
| 318 | |
| 319 class_methods[dispatch_type] = retval; | |
| 4009 | 320 } |
| 321 } | |
| 322 | |
| 323 return retval; | |
| 324 } | |
| 325 | |
| 7336 | 326 void |
| 327 symbol_table::fcn_info::fcn_info_rep::print_dispatch (std::ostream& os) const | |
| 1 | 328 { |
| 7336 | 329 if (dispatch_map.empty ()) |
| 330 os << "dispatch: " << name << " is not overloaded" << std::endl; | |
| 331 else | |
| 332 { | |
| 333 os << "Overloaded function " << name << ":\n\n"; | |
| 334 | |
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335 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
| 7336 | 336 p != dispatch_map.end (); p++) |
| 337 os << " " << name << " (" << p->first << ", ...) -> " | |
| 338 << p->second << " (" << p->first << ", ...)\n"; | |
| 3013 | 339 |
| 7336 | 340 os << std::endl; |
| 341 } | |
| 342 } | |
| 343 | |
| 344 std::string | |
| 345 symbol_table::fcn_info::fcn_info_rep::help_for_dispatch (void) const | |
| 346 { | |
| 347 std::string retval; | |
| 348 | |
| 349 if (! dispatch_map.empty ()) | |
| 1 | 350 { |
| 7336 | 351 retval = "Overloaded function:\n\n"; |
| 352 | |
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353 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
| 7336 | 354 p != dispatch_map.end (); p++) |
| 355 retval += " " + p->second + " (" + p->first + ", ...)\n\n"; | |
| 356 } | |
| 357 | |
| 358 return retval; | |
| 359 } | |
| 360 | |
| 361 // Find the definition of NAME according to the following precedence | |
| 362 // list: | |
| 363 // | |
| 364 // variable | |
| 365 // subfunction | |
| 366 // private function | |
| 367 // class constructor | |
| 368 // class method | |
| 369 // legacy dispatch | |
| 370 // command-line function | |
| 371 // autoload function | |
| 372 // function on the path | |
| 373 // built-in function | |
| 3013 | 374 |
| 7336 | 375 // Notes: |
| 376 // | |
| 377 // FIXME -- we need to evaluate the argument list to determine the | |
| 378 // dispatch type. The method used here works (pass in the args, pass | |
| 379 // out the evaluated args and a flag saying whether the evaluation was | |
| 380 // needed), but it seems a bit inelegant. We do need to save the | |
| 381 // evaluated args in some way to avoid evaluating them multiple times. | |
| 382 // Maybe evaluated args could be attached to the tree_argument_list | |
| 383 // object? Then the argument list could be evaluated outside of this | |
| 384 // function and we could elimnate the arg_names, evaluated_args, and | |
| 385 // args_evaluated arguments. We would still want to avoid computing | |
| 386 // the dispatch type unless it is needed, so the args should be passed | |
| 387 // rather than the dispatch type. But the arguments will need to be | |
| 388 // evaluated no matter what, so evaluating them beforehand should be | |
| 389 // OK. If the evaluated arguments are attached to args, then we would | |
| 390 // need to determine the appropriate place(s) to clear them (for | |
| 391 // example, before returning from tree_index_expression::rvalue). | |
| 392 | |
| 393 octave_value | |
| 394 symbol_table::fcn_info::fcn_info_rep::find | |
| 395 (tree_argument_list *args, const string_vector& arg_names, | |
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396 octave_value_list& evaluated_args, bool& args_evaluated) |
| 7336 | 397 { |
| 398 static bool deja_vu = false; | |
| 399 | |
| 400 // Subfunction. I think it only makes sense to check for | |
| 401 // subfunctions if we are currently executing a function defined | |
| 402 // from a .m file. | |
| 403 | |
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404 scope_val_iterator r = subfunctions.find (xcurrent_scope); |
| 7336 | 405 |
| 406 if (r != subfunctions.end ()) | |
| 407 { | |
| 408 // FIXME -- out-of-date check here. | |
| 409 | |
| 410 return r->second; | |
| 411 } | |
| 412 else if (curr_parent_function) | |
| 413 { | |
| 414 scope_id pscope = curr_parent_function->scope (); | |
| 415 | |
| 416 r = subfunctions.find (pscope); | |
| 417 | |
| 418 if (r != subfunctions.end ()) | |
| 1 | 419 { |
| 7336 | 420 // FIXME -- out-of-date check here. |
| 421 | |
| 422 return r->second; | |
| 1 | 423 } |
| 424 } | |
| 3013 | 425 |
| 7336 | 426 // Private function. |
| 1 | 427 |
| 7336 | 428 octave_function *curr_fcn = octave_call_stack::current (); |
| 1 | 429 |
| 7336 | 430 if (curr_fcn) |
| 431 { | |
| 432 std::string dir_name = curr_fcn->dir_name (); | |
| 1 | 433 |
| 7336 | 434 if (! dir_name.empty ()) |
| 435 { | |
| 436 str_val_iterator q = private_functions.find (dir_name); | |
| 4913 | 437 |
| 7336 | 438 if (q == private_functions.end ()) |
| 439 { | |
| 440 octave_value val = load_private_function (dir_name); | |
| 4913 | 441 |
| 7336 | 442 if (val.is_defined ()) |
| 443 return val; | |
| 444 } | |
| 445 else | |
| 4913 | 446 { |
| 7336 | 447 octave_value& fval = q->second; |
| 4913 | 448 |
| 7336 | 449 if (fval.is_defined ()) |
| 450 out_of_date_check_internal (fval); | |
| 4913 | 451 |
| 7336 | 452 if (fval.is_defined ()) |
| 453 return fval; | |
| 454 else | |
| 455 { | |
| 456 octave_value val = load_private_function (dir_name); | |
| 4913 | 457 |
| 7336 | 458 if (val.is_defined ()) |
| 459 return val; | |
| 4913 | 460 } |
| 461 } | |
| 462 } | |
| 463 } | |
| 464 | |
| 7336 | 465 // Class constructors. The class name and function name are the same. |
| 4913 | 466 |
| 7336 | 467 str_val_iterator q = class_constructors.find (name); |
| 4913 | 468 |
| 7336 | 469 if (q == class_constructors.end ()) |
| 470 { | |
| 471 octave_value val = load_class_constructor (); | |
| 3013 | 472 |
| 7336 | 473 if (val.is_defined ()) |
| 474 return val; | |
| 475 } | |
| 476 else | |
| 1 | 477 { |
| 7336 | 478 octave_value& fval = q->second; |
| 3013 | 479 |
| 7336 | 480 if (fval.is_defined ()) |
| 481 out_of_date_check_internal (fval); | |
| 867 | 482 |
| 7336 | 483 if (fval.is_defined ()) |
| 484 return fval; | |
| 485 else | |
| 486 { | |
| 487 octave_value val = load_class_constructor (); | |
| 867 | 488 |
| 7336 | 489 if (val.is_defined ()) |
| 490 return val; | |
| 1 | 491 } |
| 492 } | |
| 1755 | 493 |
| 7336 | 494 // Class methods. |
| 1 | 495 |
| 7336 | 496 if (args_evaluated || (args && args->length () > 0)) |
| 497 { | |
| 498 if (! args_evaluated) | |
| 499 evaluated_args = args->convert_to_const_vector (); | |
| 3013 | 500 |
| 7336 | 501 if (! error_state) |
| 502 { | |
| 503 int n = evaluated_args.length (); | |
| 504 | |
| 505 if (n > 0 && ! args_evaluated) | |
| 506 evaluated_args.stash_name_tags (arg_names); | |
| 507 | |
| 508 args_evaluated = true; | |
| 509 | |
| 510 // FIXME -- need to handle precedence. | |
| 3013 | 511 |
| 7336 | 512 std::string dispatch_type = evaluated_args(0).class_name (); |
| 3013 | 513 |
| 7336 | 514 for (int i = 1; i < n; i++) |
| 515 { | |
| 516 octave_value arg = evaluated_args(i); | |
| 3013 | 517 |
| 7336 | 518 if (arg.is_object ()) |
| 519 { | |
| 520 dispatch_type = arg.class_name (); | |
| 521 break; | |
| 522 } | |
| 523 } | |
| 3013 | 524 |
| 7336 | 525 octave_value fcn = find_method (dispatch_type); |
| 526 | |
| 527 if (fcn.is_defined ()) | |
| 528 return fcn; | |
| 529 } | |
| 530 else | |
| 531 return octave_value (); | |
| 3013 | 532 } |
| 533 | |
| 7336 | 534 // Legacy dispatch. We just check args_evaluated here because the |
| 535 // actual evaluation will have happened already when searching for | |
| 536 // class methods. | |
| 537 | |
| 538 if (args_evaluated && ! dispatch_map.empty ()) | |
| 539 { | |
| 540 std::string dispatch_type = evaluated_args(0).type_name (); | |
| 541 | |
| 542 std::string fname; | |
| 543 | |
| 544 dispatch_map_iterator p = dispatch_map.find (dispatch_type); | |
| 545 | |
| 546 if (p == dispatch_map.end ()) | |
| 547 p = dispatch_map.find ("any"); | |
| 3013 | 548 |
| 7336 | 549 if (p != dispatch_map.end ()) |
| 550 { | |
| 551 fname = p->second; | |
| 552 | |
| 553 octave_value fcn | |
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554 = symbol_table::find_function (fname, evaluated_args); |
| 7336 | 555 |
| 556 if (fcn.is_defined ()) | |
| 557 return fcn; | |
| 558 } | |
| 559 } | |
| 560 | |
| 561 // Command-line function. | |
| 562 | |
| 563 if (cmdline_function.is_defined ()) | |
| 564 return cmdline_function; | |
| 565 | |
| 566 // Autoload? | |
| 3013 | 567 |
| 7336 | 568 octave_value fcn = find_autoload (); |
| 569 | |
| 570 if (fcn.is_defined ()) | |
| 571 return fcn; | |
| 572 | |
| 573 // Function on the path. | |
| 574 | |
| 575 fcn = find_user_function (); | |
| 576 | |
| 577 if (fcn.is_defined ()) | |
| 578 return fcn; | |
| 579 | |
| 580 // Built-in function. | |
| 581 | |
| 582 if (built_in_function.is_defined ()) | |
| 583 return built_in_function; | |
| 3013 | 584 |
| 7336 | 585 // At this point, we failed to find anything. It is possible that |
| 586 // the user created a file on the fly since the last prompt or | |
| 587 // chdir, so try updating the load path and searching again. | |
| 588 | |
| 589 octave_value retval; | |
| 3145 | 590 |
| 7336 | 591 if (! deja_vu) |
| 592 { | |
| 593 load_path::update (); | |
| 594 | |
| 595 deja_vu = true; | |
| 596 | |
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597 retval = find (args, arg_names, evaluated_args, args_evaluated); |
| 7336 | 598 } |
| 599 | |
| 600 deja_vu = false; | |
| 601 | |
| 602 return retval; | |
| 3013 | 603 } |
| 1 | 604 |
| 7336 | 605 octave_value |
| 606 symbol_table::fcn_info::fcn_info_rep::find_method (const std::string& dispatch_type) | |
| 4913 | 607 { |
| 7336 | 608 octave_value retval; |
| 4913 | 609 |
| 7336 | 610 str_val_iterator q = class_methods.find (dispatch_type); |
| 4913 | 611 |
| 7336 | 612 if (q == class_methods.end ()) |
| 613 { | |
| 614 octave_value val = load_class_method (dispatch_type); | |
| 4913 | 615 |
| 7336 | 616 if (val.is_defined ()) |
| 617 return val; | |
| 618 } | |
| 619 else | |
| 620 { | |
| 621 octave_value& fval = q->second; | |
| 4913 | 622 |
| 7336 | 623 if (fval.is_defined ()) |
| 624 out_of_date_check_internal (fval); | |
| 625 | |
| 626 if (fval.is_defined ()) | |
| 627 return fval; | |
| 4913 | 628 else |
| 629 { | |
| 7336 | 630 octave_value val = load_class_method (dispatch_type); |
| 631 | |
| 632 if (val.is_defined ()) | |
| 633 return val; | |
| 4913 | 634 } |
| 635 } | |
| 636 | |
| 7336 | 637 return retval; |
| 4913 | 638 } |
| 639 | |
| 7336 | 640 octave_value |
| 641 symbol_table::fcn_info::fcn_info_rep::find_autoload (void) | |
| 4913 | 642 { |
| 7336 | 643 octave_value retval; |
| 4913 | 644 |
| 7336 | 645 // Autoloaded function. |
| 4913 | 646 |
| 7336 | 647 if (autoload_function.is_defined ()) |
| 648 out_of_date_check_internal (autoload_function); | |
| 4913 | 649 |
| 7336 | 650 if (! autoload_function.is_defined ()) |
| 651 { | |
| 652 std::string file_name = lookup_autoload (name); | |
| 4913 | 653 |
| 7336 | 654 if (! file_name.empty ()) |
| 655 { | |
| 656 size_t pos = file_name.find_last_of (file_ops::dir_sep_chars); | |
| 4913 | 657 |
| 7336 | 658 std::string dir_name = file_name.substr (0, pos); |
| 4913 | 659 |
| 7336 | 660 octave_function *fcn = load_fcn_from_file (file_name, dir_name, |
| 661 "", name, true); | |
| 4913 | 662 |
| 7336 | 663 if (fcn) |
| 664 autoload_function = octave_value (fcn); | |
| 665 } | |
| 4913 | 666 } |
| 667 | |
| 7336 | 668 return autoload_function; |
| 669 } | |
| 4914 | 670 |
| 7336 | 671 octave_value |
| 672 symbol_table::fcn_info::fcn_info_rep::find_user_function (void) | |
| 673 { | |
| 674 // Function on the path. | |
| 4913 | 675 |
| 7336 | 676 if (function_on_path.is_defined ()) |
| 677 out_of_date_check_internal (function_on_path); | |
| 4913 | 678 |
| 7336 | 679 if (! function_on_path.is_defined ()) |
| 680 { | |
| 681 std::string dir_name; | |
| 4913 | 682 |
| 7336 | 683 std::string file_name = load_path::find_fcn (name, dir_name); |
| 4913 | 684 |
| 7336 | 685 if (! file_name.empty ()) |
| 686 { | |
| 687 octave_function *fcn = load_fcn_from_file (file_name, dir_name); | |
| 4913 | 688 |
| 7336 | 689 if (fcn) |
| 690 function_on_path = octave_value (fcn); | |
| 4913 | 691 } |
| 692 } | |
| 693 | |
| 7336 | 694 return function_on_path; |
| 695 } | |
| 696 | |
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697 static std::string |
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698 fcn_file_name (const octave_value& fcn) |
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699 { |
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700 const octave_function *f = fcn.function_value (); |
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701 |
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702 return f ? f->fcn_file_name () : std::string (); |
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703 } |
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704 |
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705 void |
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706 symbol_table::fcn_info::fcn_info_rep::dump |
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707 (std::ostream& os, const std::string& prefix) const |
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708 { |
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709 os << prefix << name |
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710 << " [" |
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711 << (cmdline_function.is_defined () ? "c" : "") |
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712 << (built_in_function.is_defined () ? "b" : "") |
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713 << "]\n"; |
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714 |
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715 std::string tprefix = prefix + " "; |
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716 |
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717 if (autoload_function.is_defined ()) |
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718 os << tprefix << "autoload: " |
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719 << fcn_file_name (autoload_function) << "\n"; |
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720 |
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721 if (function_on_path.is_defined ()) |
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722 os << tprefix << "function from path: " |
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723 << fcn_file_name (function_on_path) << "\n"; |
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724 |
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725 if (! subfunctions.empty ()) |
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726 { |
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727 for (scope_val_const_iterator p = subfunctions.begin (); |
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728 p != subfunctions.end (); p++) |
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729 os << tprefix << "subfunction: " << fcn_file_name (p->second) |
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730 << " [" << p->first << "]\n"; |
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731 } |
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732 |
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733 if (! private_functions.empty ()) |
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734 { |
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735 for (str_val_const_iterator p = private_functions.begin (); |
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736 p != private_functions.end (); p++) |
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737 os << tprefix << "private: " << fcn_file_name (p->second) |
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John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
738 << " [" << p->first << "]\n"; |
|
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 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
741 if (! class_constructors.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
742 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
743 for (str_val_const_iterator p = class_constructors.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
744 p != class_constructors.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
745 os << tprefix << "constructor: " << fcn_file_name (p->second) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
746 << " [" << p->first << "]\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
747 } |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
748 |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
749 if (! class_methods.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
750 { |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
751 for (str_val_const_iterator p = class_methods.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
752 p != class_methods.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
753 os << tprefix << "method: " << fcn_file_name (p->second) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
754 << " [" << p->first << "]\n"; |
|
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>
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7752
diff
changeset
|
756 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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7752
diff
changeset
|
757 if (! dispatch_map.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
758 { |
|
5adeea5de26c
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diff
changeset
|
759 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
760 p != dispatch_map.end (); p++) |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
761 os << tprefix << "dispatch: " << fcn_file_name (p->second) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
762 << " [" << p->first << "]\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
763 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
764 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
765 |
| 7336 | 766 octave_value |
| 767 symbol_table::fcn_info::find (tree_argument_list *args, | |
| 768 const string_vector& arg_names, | |
| 769 octave_value_list& evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
770 bool& args_evaluated) |
| 7336 | 771 { |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
772 return rep->find (args, arg_names, evaluated_args, args_evaluated); |
| 7336 | 773 } |
| 774 | |
| 775 octave_value | |
| 776 symbol_table::find (const std::string& name, tree_argument_list *args, | |
| 777 const string_vector& arg_names, | |
| 778 octave_value_list& evaluated_args, bool& args_evaluated, | |
|
7752
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initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
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diff
changeset
|
779 bool skip_variables) |
| 7336 | 780 { |
|
7752
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initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
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7745
diff
changeset
|
781 symbol_table *inst = get_instance (xcurrent_scope); |
| 7336 | 782 |
| 783 return inst | |
| 784 ? inst->do_find (name, args, arg_names, evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
785 args_evaluated, skip_variables) |
| 7336 | 786 : octave_value (); |
| 787 } | |
| 788 | |
| 789 octave_value | |
| 790 symbol_table::find_function (const std::string& name, tree_argument_list *args, | |
| 791 const string_vector& arg_names, | |
| 792 octave_value_list& evaluated_args, | |
|
7752
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initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
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diff
changeset
|
793 bool& args_evaluated) |
| 7336 | 794 { |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
795 return find (name, args, arg_names, evaluated_args, args_evaluated, true); |
| 4913 | 796 } |
| 797 | |
|
7761
5adeea5de26c
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diff
changeset
|
798 void |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
799 symbol_table::dump (std::ostream& os, scope_id scope) |
|
5adeea5de26c
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parents:
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diff
changeset
|
800 { |
|
5adeea5de26c
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diff
changeset
|
801 if (scope == xglobal_scope) |
|
5adeea5de26c
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diff
changeset
|
802 dump_global (os); |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
803 else |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
804 { |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
805 symbol_table *inst = get_instance (scope, false); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
806 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
807 if (inst) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
808 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
809 os << "*** dumping symbol table scope " << scope |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
810 << " (" << inst->table_name << ")\n\n"; |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
811 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
812 std::map<std::string, octave_value> sfuns |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
813 = symbol_table::subfunctions_defined_in_scope (scope); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
814 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
815 if (! sfuns.empty ()) |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
816 { |
|
5adeea5de26c
symbol table reporting functions
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diff
changeset
|
817 os << " subfunctions defined in this scope:\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
818 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
819 for (std::map<std::string, octave_value>::const_iterator p = sfuns.begin (); |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
820 p != sfuns.end (); p++) |
|
5adeea5de26c
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parents:
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diff
changeset
|
821 os << " " << p->first << "\n"; |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
822 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
823 os << "\n"; |
|
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 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
826 |
|
5adeea5de26c
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John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
827 inst->do_dump (os); |
|
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 } |
|
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 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
832 void |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
833 symbol_table::dump_global (std::ostream& os) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
834 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
835 if (! global_table.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
836 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
837 os << "*** dumping global symbol table\n\n"; |
|
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 for (global_table_const_iterator p = global_table.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
840 p != global_table.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
841 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
842 std::string nm = p->first; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
843 octave_value val = p->second; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
844 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
845 os << " " << nm << " "; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
846 val.dump (os); |
|
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 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
852 void |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
853 symbol_table::dump_functions (std::ostream& os) |
|
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 if (! fcn_table.empty ()) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
856 { |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
857 os << "*** dumping globally visible functions from symbol table\n" |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
858 << " (c=commandline, b=built-in)\n\n"; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
859 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
860 for (fcn_table_const_iterator p = fcn_table.begin (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
861 p != fcn_table.end (); p++) |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
862 p->second.dump (os, " "); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
863 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
864 os << "\n"; |
|
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 } |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
867 |
| 7336 | 868 octave_value |
| 869 symbol_table::do_find (const std::string& name, tree_argument_list *args, | |
| 870 const string_vector& arg_names, | |
| 871 octave_value_list& evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
872 bool& args_evaluated, bool skip_variables) |
| 3013 | 873 { |
| 7336 | 874 octave_value retval; |
| 4913 | 875 |
| 7336 | 876 // Variable. |
| 4913 | 877 |
| 7336 | 878 if (! skip_variables) |
| 3013 | 879 { |
| 7336 | 880 table_iterator p = table.find (name); |
| 3013 | 881 |
| 7336 | 882 if (p != table.end ()) |
| 883 { | |
|
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
884 symbol_record sr = p->second; |
| 3013 | 885 |
| 7336 | 886 // FIXME -- should we be using something other than varref here? |
| 5005 | 887 |
| 7336 | 888 if (sr.is_global ()) |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
889 return symbol_table::global_varref (name); |
| 7336 | 890 else |
| 891 { | |
| 892 octave_value& val = sr.varref (); | |
| 4913 | 893 |
| 7336 | 894 if (val.is_defined ()) |
| 895 return val; | |
| 896 } | |
| 897 } | |
| 898 } | |
| 4913 | 899 |
| 7336 | 900 fcn_table_iterator p = fcn_table.find (name); |
| 4913 | 901 |
| 7336 | 902 if (p != fcn_table.end ()) |
| 903 { | |
| 904 evaluated_args = octave_value_list (); | |
| 905 args_evaluated = false; | |
| 3013 | 906 |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
907 return p->second.find (args, arg_names, evaluated_args, args_evaluated); |
| 3013 | 908 } |
| 909 else | |
| 910 { | |
| 7336 | 911 fcn_info finfo (name); |
| 912 | |
| 913 octave_value fcn = finfo.find (args, arg_names, evaluated_args, | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
914 args_evaluated); |
| 3013 | 915 |
| 7336 | 916 if (fcn.is_defined ()) |
| 917 fcn_table[name] = finfo; | |
| 3013 | 918 |
| 7336 | 919 return fcn; |
| 3013 | 920 } |
| 921 | |
| 7336 | 922 return retval; |
| 605 | 923 } |
| 924 | |
|
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
925 void |
|
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926 symbol_table::do_dump (std::ostream& os) |
|
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927 { |
|
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928 if (! persistent_table.empty ()) |
|
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929 { |
|
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930 os << " persistent variables in this scope:\n\n"; |
|
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931 |
|
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932 for (persistent_table_const_iterator p = persistent_table.begin (); |
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933 p != persistent_table.end (); p++) |
|
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934 { |
|
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935 std::string nm = p->first; |
|
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936 octave_value val = p->second; |
|
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937 |
|
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938 os << " " << nm << " "; |
|
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939 val.dump (os); |
|
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940 os << "\n"; |
|
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941 } |
|
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942 |
|
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943 os << "\n"; |
|
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944 } |
|
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945 |
|
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946 if (! table.empty ()) |
|
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947 { |
|
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948 os << " other symbols in this scope (l=local; a=auto; f=formal\n" |
|
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949 << " h=hidden; i=inherited; g=global; p=persistent)\n\n"; |
|
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950 |
|
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951 for (table_const_iterator p = table.begin (); p != table.end (); p++) |
|
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952 p->second.dump (os, " "); |
|
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953 |
|
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954 os << "\n"; |
|
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955 } |
|
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956 } |
|
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957 |
| 7336 | 958 DEFUN (ignore_function_time_stamp, args, nargout, |
| 959 "-*- texinfo -*-\n\ | |
| 960 @deftypefn {Built-in Function} {@var{val} =} ignore_function_time_stamp ()\n\ | |
| 961 @deftypefnx {Built-in Function} {@var{old_val} =} ignore_function_time_stamp (@var{new_val})\n\ | |
| 962 Query or set the internal variable that controls whether Octave checks\n\ | |
| 963 the time stamp on files each time it looks up functions defined in\n\ | |
| 964 function files. If the internal variable is set to @code{\"system\"},\n\ | |
| 965 Octave will not automatically recompile function files in subdirectories of\n\ | |
| 966 @file{@var{octave-home}/lib/@var{version}} if they have changed since\n\ | |
| 967 they were last compiled, but will recompile other function files in the\n\ | |
| 968 search path if they change. If set to @code{\"all\"}, Octave will not\n\ | |
| 969 recompile any function files unless their definitions are removed with\n\ | |
| 970 @code{clear}. If set to \"none\", Octave will always check time stamps\n\ | |
| 971 on files to determine whether functions defined in function files\n\ | |
| 972 need to recompiled.\n\ | |
| 973 @end deftypefn") | |
| 220 | 974 { |
| 7336 | 975 octave_value retval; |
| 220 | 976 |
| 7336 | 977 if (nargout > 0) |
| 5861 | 978 { |
| 7336 | 979 switch (Vignore_function_time_stamp) |
| 5861 | 980 { |
| 7336 | 981 case 1: |
| 982 retval = "system"; | |
| 983 break; | |
| 5861 | 984 |
| 7336 | 985 case 2: |
| 986 retval = "all"; | |
| 987 break; | |
| 5861 | 988 |
| 7336 | 989 default: |
| 990 retval = "none"; | |
| 991 break; | |
| 5861 | 992 } |
| 993 } | |
| 994 | |
| 7336 | 995 int nargin = args.length (); |
| 5861 | 996 |
| 7336 | 997 if (nargin == 1) |
| 3013 | 998 { |
| 7336 | 999 std::string sval = args(0).string_value (); |
| 1 | 1000 |
| 7336 | 1001 if (! error_state) |
| 1002 { | |
| 1003 if (sval == "all") | |
| 1004 Vignore_function_time_stamp = 2; | |
| 1005 else if (sval == "system") | |
| 1006 Vignore_function_time_stamp = 1; | |
| 1007 else if (sval == "none") | |
| 1008 Vignore_function_time_stamp = 0; | |
| 1009 else | |
| 1010 error ("ignore_function_time_stamp: expecting argument to be \"all\", \"system\", or \"none\""); | |
| 1011 } | |
| 1012 else | |
| 1013 error ("ignore_function_time_stamp: expecting argument to be character string"); | |
| 1014 } | |
| 1015 else if (nargin > 1) | |
| 1016 print_usage (); | |
| 4238 | 1017 |
| 7336 | 1018 return retval; |
| 3308 | 1019 } |
| 1020 | |
|
7761
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1021 DEFUN (__current_scope__, , , |
|
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1022 "-*- texinfo -*-\n\ |
|
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1023 @deftypefn {Built-in Function} {[@var{scope}, @var{context}]} __dump_symtab_info__ ()\n\ |
|
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1024 Undocumented internal function.\n\ |
|
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1025 @end deftypefn") |
|
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1026 { |
|
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1027 octave_value_list retval; |
|
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1028 |
|
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1029 retval(1) = symbol_table::current_context (); |
|
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1030 retval(0) = symbol_table::current_scope (); |
|
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1031 |
|
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1032 return retval; |
|
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|
1033 } |
|
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1034 |
|
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1035 DEFUN (__dump_symtab_info__, args, , |
|
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1036 "-*- texinfo -*-\n\ |
|
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1037 @deftypefn {Built-in Function} {} __dump_symtab_info__ ()\n\ |
|
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1038 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (@var{scope})\n\ |
|
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1039 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (\"scopes\")\n\ |
|
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1040 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (\"functions\")\n\ |
|
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1041 Undocumented internal function.\n\ |
|
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1042 @end deftypefn") |
|
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|
1043 { |
|
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|
1044 octave_value retval; |
|
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|
1045 |
|
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1046 int nargin = args.length (); |
|
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|
1047 |
|
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|
1048 if (nargin == 0) |
|
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|
1049 { |
|
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|
1050 symbol_table::dump_functions (octave_stdout); |
|
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1051 |
|
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1052 symbol_table::dump_global (octave_stdout); |
|
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1053 |
|
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1054 std::list<symbol_table::scope_id> lst = symbol_table::scopes (); |
|
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1055 |
|
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1056 for (std::list<symbol_table::scope_id>::const_iterator p = lst.begin (); |
|
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1057 p != lst.end (); p++) |
|
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1058 symbol_table::dump (octave_stdout, *p); |
|
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1059 } |
|
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1060 else if (nargin == 1) |
|
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|
1061 { |
|
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1062 octave_value arg = args(0); |
|
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1063 |
|
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1064 if (arg.is_string ()) |
|
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1065 { |
|
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1066 std::string s_arg = arg.string_value (); |
|
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1067 |
|
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1068 if (s_arg == "scopes") |
|
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1069 { |
|
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1070 std::list<symbol_table::scope_id> lst = symbol_table::scopes (); |
|
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1071 |
|
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1072 RowVector v (lst.size ()); |
|
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1073 |
|
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1074 octave_idx_type k = 0; |
|
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|
1075 |
|
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1076 for (std::list<symbol_table::scope_id>::const_iterator p = lst.begin (); |
|
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1077 p != lst.end (); p++) |
|
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1078 v.xelem (k++) = *p; |
|
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|
1079 |
|
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1080 retval = v; |
|
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1081 } |
|
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1082 else if (s_arg == "functions") |
|
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|
1083 { |
|
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|
1084 symbol_table::dump_functions (octave_stdout); |
|
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1085 } |
|
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|
1086 else |
|
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|
1087 error ("__dump_symtab_info__: expecting \"functions\" or \"scopes\""); |
|
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|
1088 } |
|
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|
1089 else |
|
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|
1090 { |
|
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1091 int s = arg.int_value (); |
|
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1092 |
|
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|
1093 if (! error_state) |
|
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1094 symbol_table::dump (octave_stdout, s); |
|
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|
1095 else |
|
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changeset
|
1096 error ("__dump_symtab_info__: expecting string or scope id"); |
|
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1097 } |
|
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|
1098 } |
|
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|
1099 else |
|
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|
1100 print_usage (); |
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5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
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1101 |
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5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
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1102 return retval; |
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5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
1103 } |
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5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
1104 |
| 7437 | 1105 #if 0 |
| 1106 | |
| 1107 // FIXME -- should we have functions like this in Octave? | |
| 1108 | |
| 1109 DEFUN (set_variable, args, , "set_variable (NAME, VALUE)") | |
| 1110 { | |
| 1111 octave_value retval; | |
| 1112 | |
| 1113 if (args.length () == 2) | |
| 1114 { | |
| 1115 std::string name = args(0).string_value (); | |
| 1116 | |
| 1117 if (! error_state) | |
| 1118 symbol_table::varref (name) = args(1); | |
| 1119 else | |
| 1120 error ("set_variable: expecting variable name as first argument"); | |
| 1121 } | |
| 1122 else | |
| 1123 print_usage (); | |
| 1124 | |
| 1125 return retval; | |
| 1126 } | |
| 1127 | |
| 1128 DEFUN (variable_value, args, , "VALUE = variable_value (NAME)") | |
| 1129 { | |
| 1130 octave_value retval; | |
| 1131 | |
| 1132 if (args.length () == 1) | |
| 1133 { | |
| 1134 std::string name = args(0).string_value (); | |
| 1135 | |
| 1136 if (! error_state) | |
| 1137 { | |
| 1138 retval = symbol_table::varval (name); | |
| 1139 | |
| 1140 if (retval.is_undefined ()) | |
| 1141 error ("variable_value: `%s' is not a variable in the current scope", | |
| 1142 name.c_str ()); | |
| 1143 } | |
| 1144 else | |
| 1145 error ("variable_value: expecting variable name as first argument"); | |
| 1146 } | |
| 1147 else | |
| 1148 print_usage (); | |
| 1149 | |
| 1150 return retval; | |
| 1151 } | |
| 1152 #endif | |
| 1153 | |
| 1 | 1154 /* |
| 1155 ;;; Local Variables: *** | |
| 1156 ;;; mode: C++ *** | |
| 1157 ;;; End: *** | |
| 1158 */ |