Mercurial > hg > octave-nkf
annotate src/symtab.cc @ 7968:0d607e8dbbfa
eliminate curr_parent_function; fix subfunction lookup
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 23 Jul 2008 17:16:50 -0400 |
parents | db6478d9c669 |
children | 5bf4e2c13ed8 |
rev | line source |
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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 |
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152 out_of_date_check_internal (octave_value& function, |
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153 const std::string& dispatch_type = std::string ()) |
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 // We don't want to make this an absolute name, |
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191 // because load_fcn_file looks at the name to |
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192 // decide whether it came from a relative lookup. |
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193 |
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194 if (dispatch_type.empty ()) |
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195 file = load_path::find_fcn (nm, dir_name); |
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196 else |
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197 file = load_path::find_method (nm, dispatch_type, |
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198 dir_name); |
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199 } |
4913 | 200 |
7336 | 201 if (file.empty ()) |
202 { | |
203 // Can't see this function from current | |
204 // directory, so we should clear it. | |
195 | 205 |
7336 | 206 function = octave_value (); |
207 } | |
208 else if (same_file (file, ff)) | |
209 { | |
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210 // Same file. If it is out of date, then reload it. |
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211 |
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212 octave_time ottp = fcn->time_parsed (); |
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213 time_t tp = ottp.unix_time (); |
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214 |
7336 | 215 fcn->mark_fcn_file_up_to_date (octave_time ()); |
1 | 216 |
7336 | 217 if (! (Vignore_function_time_stamp == 2 |
218 || (Vignore_function_time_stamp | |
219 && fcn->is_system_fcn_file ()))) | |
220 { | |
221 file_stat fs (ff); | |
572 | 222 |
7336 | 223 if (fs) |
224 { | |
225 if (fs.is_newer (tp)) | |
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226 retval = load_out_of_date_fcn (ff, dir_name, |
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227 function); |
7336 | 228 } |
229 else | |
230 function = octave_value (); | |
6829 | 231 } |
232 } | |
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233 else |
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234 { |
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235 // Not the same file, so load the new file in |
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236 // place of the old. |
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237 |
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238 retval = load_out_of_date_fcn (file, dir_name, function); |
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239 } |
6829 | 240 } |
241 } | |
4009 | 242 } |
243 } | |
244 | |
245 return retval; | |
246 } | |
247 | |
248 bool | |
7336 | 249 out_of_date_check (octave_value& function) |
4009 | 250 { |
7336 | 251 return out_of_date_check_internal (function); |
252 } | |
4009 | 253 |
7336 | 254 octave_value |
255 symbol_table::fcn_info::fcn_info_rep::load_private_function | |
256 (const std::string& dir_name) | |
257 { | |
258 octave_value retval; | |
259 | |
260 std::string file_name = load_path::find_private_fcn (dir_name, name); | |
261 | |
262 if (! file_name.empty ()) | |
4009 | 263 { |
7336 | 264 octave_function *fcn = load_fcn_from_file (file_name); |
4009 | 265 |
7336 | 266 if (fcn) |
4009 | 267 { |
7336 | 268 retval = octave_value (fcn); |
4009 | 269 |
7336 | 270 private_functions[dir_name] = retval; |
4009 | 271 } |
272 } | |
273 | |
274 return retval; | |
275 } | |
276 | |
7336 | 277 octave_value |
278 symbol_table::fcn_info::fcn_info_rep::load_class_constructor (void) | |
4009 | 279 { |
7336 | 280 octave_value retval; |
281 | |
282 std::string dir_name; | |
4009 | 283 |
7336 | 284 std::string file_name = load_path::find_method (name, name, dir_name); |
285 | |
286 if (! file_name.empty ()) | |
4009 | 287 { |
7336 | 288 octave_function *fcn = load_fcn_from_file (file_name, dir_name, name); |
4009 | 289 |
7336 | 290 if (fcn) |
4009 | 291 { |
7336 | 292 retval = octave_value (fcn); |
293 | |
294 class_constructors[name] = retval; | |
295 } | |
296 } | |
297 | |
298 return retval; | |
299 } | |
300 | |
301 octave_value | |
302 symbol_table::fcn_info::fcn_info_rep::load_class_method | |
303 (const std::string& dispatch_type) | |
304 { | |
305 octave_value retval; | |
4009 | 306 |
7336 | 307 std::string dir_name; |
308 | |
309 std::string file_name = load_path::find_method (dispatch_type, name, dir_name); | |
4009 | 310 |
7336 | 311 if (! file_name.empty ()) |
312 { | |
313 octave_function *fcn = load_fcn_from_file (file_name, dir_name, | |
314 dispatch_type); | |
4009 | 315 |
7336 | 316 if (fcn) |
317 { | |
318 retval = octave_value (fcn); | |
319 | |
320 class_methods[dispatch_type] = retval; | |
4009 | 321 } |
322 } | |
323 | |
324 return retval; | |
325 } | |
326 | |
7336 | 327 void |
328 symbol_table::fcn_info::fcn_info_rep::print_dispatch (std::ostream& os) const | |
1 | 329 { |
7336 | 330 if (dispatch_map.empty ()) |
331 os << "dispatch: " << name << " is not overloaded" << std::endl; | |
332 else | |
333 { | |
334 os << "Overloaded function " << name << ":\n\n"; | |
335 | |
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336 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
7336 | 337 p != dispatch_map.end (); p++) |
338 os << " " << name << " (" << p->first << ", ...) -> " | |
339 << p->second << " (" << p->first << ", ...)\n"; | |
3013 | 340 |
7336 | 341 os << std::endl; |
342 } | |
343 } | |
344 | |
345 std::string | |
346 symbol_table::fcn_info::fcn_info_rep::help_for_dispatch (void) const | |
347 { | |
348 std::string retval; | |
349 | |
350 if (! dispatch_map.empty ()) | |
1 | 351 { |
7336 | 352 retval = "Overloaded function:\n\n"; |
353 | |
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354 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
7336 | 355 p != dispatch_map.end (); p++) |
356 retval += " " + p->second + " (" + p->first + ", ...)\n\n"; | |
357 } | |
358 | |
359 return retval; | |
360 } | |
361 | |
362 // Find the definition of NAME according to the following precedence | |
363 // list: | |
364 // | |
365 // variable | |
366 // subfunction | |
367 // private function | |
368 // class constructor | |
369 // class method | |
370 // legacy dispatch | |
371 // command-line function | |
372 // autoload function | |
373 // function on the path | |
374 // built-in function | |
3013 | 375 |
7336 | 376 // Notes: |
377 // | |
378 // FIXME -- we need to evaluate the argument list to determine the | |
379 // dispatch type. The method used here works (pass in the args, pass | |
380 // out the evaluated args and a flag saying whether the evaluation was | |
381 // needed), but it seems a bit inelegant. We do need to save the | |
382 // evaluated args in some way to avoid evaluating them multiple times. | |
383 // Maybe evaluated args could be attached to the tree_argument_list | |
384 // object? Then the argument list could be evaluated outside of this | |
385 // function and we could elimnate the arg_names, evaluated_args, and | |
386 // args_evaluated arguments. We would still want to avoid computing | |
387 // the dispatch type unless it is needed, so the args should be passed | |
388 // rather than the dispatch type. But the arguments will need to be | |
389 // evaluated no matter what, so evaluating them beforehand should be | |
390 // OK. If the evaluated arguments are attached to args, then we would | |
391 // need to determine the appropriate place(s) to clear them (for | |
392 // example, before returning from tree_index_expression::rvalue). | |
393 | |
394 octave_value | |
395 symbol_table::fcn_info::fcn_info_rep::find | |
396 (tree_argument_list *args, const string_vector& arg_names, | |
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397 octave_value_list& evaluated_args, bool& args_evaluated) |
7336 | 398 { |
399 static bool deja_vu = false; | |
400 | |
401 // Subfunction. I think it only makes sense to check for | |
402 // subfunctions if we are currently executing a function defined | |
403 // from a .m file. | |
404 | |
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405 scope_val_iterator r = subfunctions.find (xcurrent_scope); |
7336 | 406 |
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407 octave_function *curr_fcn = 0; |
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408 |
7336 | 409 if (r != subfunctions.end ()) |
410 { | |
411 // FIXME -- out-of-date check here. | |
412 | |
413 return r->second; | |
414 } | |
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415 else |
7336 | 416 { |
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417 curr_fcn = octave_call_stack::current (); |
7336 | 418 |
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419 if (curr_fcn) |
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420 { |
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421 scope_id pscope = curr_fcn->parent_fcn_scope (); |
7336 | 422 |
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423 if (pscope > 0) |
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424 { |
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425 r = subfunctions.find (pscope); |
7336 | 426 |
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427 if (r != subfunctions.end ()) |
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428 { |
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429 // FIXME -- out-of-date check here. |
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430 |
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431 return r->second; |
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432 } |
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433 } |
1 | 434 } |
435 } | |
3013 | 436 |
7336 | 437 // Private function. |
1 | 438 |
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439 if (! curr_fcn) |
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440 curr_fcn = octave_call_stack::current (); |
1 | 441 |
7336 | 442 if (curr_fcn) |
443 { | |
444 std::string dir_name = curr_fcn->dir_name (); | |
1 | 445 |
7336 | 446 if (! dir_name.empty ()) |
447 { | |
448 str_val_iterator q = private_functions.find (dir_name); | |
4913 | 449 |
7336 | 450 if (q == private_functions.end ()) |
451 { | |
452 octave_value val = load_private_function (dir_name); | |
4913 | 453 |
7336 | 454 if (val.is_defined ()) |
455 return val; | |
456 } | |
457 else | |
4913 | 458 { |
7336 | 459 octave_value& fval = q->second; |
4913 | 460 |
7336 | 461 if (fval.is_defined ()) |
462 out_of_date_check_internal (fval); | |
4913 | 463 |
7336 | 464 if (fval.is_defined ()) |
465 return fval; | |
466 else | |
467 { | |
468 octave_value val = load_private_function (dir_name); | |
4913 | 469 |
7336 | 470 if (val.is_defined ()) |
471 return val; | |
4913 | 472 } |
473 } | |
474 } | |
475 } | |
476 | |
7336 | 477 // Class constructors. The class name and function name are the same. |
4913 | 478 |
7336 | 479 str_val_iterator q = class_constructors.find (name); |
4913 | 480 |
7336 | 481 if (q == class_constructors.end ()) |
482 { | |
483 octave_value val = load_class_constructor (); | |
3013 | 484 |
7336 | 485 if (val.is_defined ()) |
486 return val; | |
487 } | |
488 else | |
1 | 489 { |
7336 | 490 octave_value& fval = q->second; |
3013 | 491 |
7336 | 492 if (fval.is_defined ()) |
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493 out_of_date_check_internal (fval, name); |
867 | 494 |
7336 | 495 if (fval.is_defined ()) |
496 return fval; | |
497 else | |
498 { | |
499 octave_value val = load_class_constructor (); | |
867 | 500 |
7336 | 501 if (val.is_defined ()) |
502 return val; | |
1 | 503 } |
504 } | |
1755 | 505 |
7336 | 506 // Class methods. |
1 | 507 |
7336 | 508 if (args_evaluated || (args && args->length () > 0)) |
509 { | |
510 if (! args_evaluated) | |
511 evaluated_args = args->convert_to_const_vector (); | |
3013 | 512 |
7336 | 513 if (! error_state) |
514 { | |
515 int n = evaluated_args.length (); | |
516 | |
517 if (n > 0 && ! args_evaluated) | |
518 evaluated_args.stash_name_tags (arg_names); | |
519 | |
520 args_evaluated = true; | |
521 | |
522 // FIXME -- need to handle precedence. | |
3013 | 523 |
7336 | 524 std::string dispatch_type = evaluated_args(0).class_name (); |
3013 | 525 |
7336 | 526 for (int i = 1; i < n; i++) |
527 { | |
528 octave_value arg = evaluated_args(i); | |
3013 | 529 |
7336 | 530 if (arg.is_object ()) |
531 { | |
532 dispatch_type = arg.class_name (); | |
533 break; | |
534 } | |
535 } | |
3013 | 536 |
7336 | 537 octave_value fcn = find_method (dispatch_type); |
538 | |
539 if (fcn.is_defined ()) | |
540 return fcn; | |
541 } | |
542 else | |
543 return octave_value (); | |
3013 | 544 } |
545 | |
7336 | 546 // Legacy dispatch. We just check args_evaluated here because the |
547 // actual evaluation will have happened already when searching for | |
548 // class methods. | |
549 | |
550 if (args_evaluated && ! dispatch_map.empty ()) | |
551 { | |
552 std::string dispatch_type = evaluated_args(0).type_name (); | |
553 | |
554 std::string fname; | |
555 | |
556 dispatch_map_iterator p = dispatch_map.find (dispatch_type); | |
557 | |
558 if (p == dispatch_map.end ()) | |
559 p = dispatch_map.find ("any"); | |
3013 | 560 |
7336 | 561 if (p != dispatch_map.end ()) |
562 { | |
563 fname = p->second; | |
564 | |
565 octave_value fcn | |
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566 = symbol_table::find_function (fname, evaluated_args); |
7336 | 567 |
568 if (fcn.is_defined ()) | |
569 return fcn; | |
570 } | |
571 } | |
572 | |
573 // Command-line function. | |
574 | |
575 if (cmdline_function.is_defined ()) | |
576 return cmdline_function; | |
577 | |
578 // Autoload? | |
3013 | 579 |
7336 | 580 octave_value fcn = find_autoload (); |
581 | |
582 if (fcn.is_defined ()) | |
583 return fcn; | |
584 | |
585 // Function on the path. | |
586 | |
587 fcn = find_user_function (); | |
588 | |
589 if (fcn.is_defined ()) | |
590 return fcn; | |
591 | |
592 // Built-in function. | |
593 | |
594 if (built_in_function.is_defined ()) | |
595 return built_in_function; | |
3013 | 596 |
7336 | 597 // At this point, we failed to find anything. It is possible that |
598 // the user created a file on the fly since the last prompt or | |
599 // chdir, so try updating the load path and searching again. | |
600 | |
601 octave_value retval; | |
3145 | 602 |
7336 | 603 if (! deja_vu) |
604 { | |
605 load_path::update (); | |
606 | |
607 deja_vu = true; | |
608 | |
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609 retval = find (args, arg_names, evaluated_args, args_evaluated); |
7336 | 610 } |
611 | |
612 deja_vu = false; | |
613 | |
614 return retval; | |
3013 | 615 } |
1 | 616 |
7336 | 617 octave_value |
618 symbol_table::fcn_info::fcn_info_rep::find_method (const std::string& dispatch_type) | |
4913 | 619 { |
7336 | 620 octave_value retval; |
4913 | 621 |
7336 | 622 str_val_iterator q = class_methods.find (dispatch_type); |
4913 | 623 |
7336 | 624 if (q == class_methods.end ()) |
625 { | |
626 octave_value val = load_class_method (dispatch_type); | |
4913 | 627 |
7336 | 628 if (val.is_defined ()) |
629 return val; | |
630 } | |
631 else | |
632 { | |
633 octave_value& fval = q->second; | |
4913 | 634 |
7336 | 635 if (fval.is_defined ()) |
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636 out_of_date_check_internal (fval, dispatch_type); |
7336 | 637 |
638 if (fval.is_defined ()) | |
639 return fval; | |
4913 | 640 else |
641 { | |
7336 | 642 octave_value val = load_class_method (dispatch_type); |
643 | |
644 if (val.is_defined ()) | |
645 return val; | |
4913 | 646 } |
647 } | |
648 | |
7336 | 649 return retval; |
4913 | 650 } |
651 | |
7336 | 652 octave_value |
653 symbol_table::fcn_info::fcn_info_rep::find_autoload (void) | |
4913 | 654 { |
7336 | 655 octave_value retval; |
4913 | 656 |
7336 | 657 // Autoloaded function. |
4913 | 658 |
7336 | 659 if (autoload_function.is_defined ()) |
660 out_of_date_check_internal (autoload_function); | |
4913 | 661 |
7336 | 662 if (! autoload_function.is_defined ()) |
663 { | |
664 std::string file_name = lookup_autoload (name); | |
4913 | 665 |
7336 | 666 if (! file_name.empty ()) |
667 { | |
668 size_t pos = file_name.find_last_of (file_ops::dir_sep_chars); | |
4913 | 669 |
7336 | 670 std::string dir_name = file_name.substr (0, pos); |
4913 | 671 |
7336 | 672 octave_function *fcn = load_fcn_from_file (file_name, dir_name, |
673 "", name, true); | |
4913 | 674 |
7336 | 675 if (fcn) |
676 autoload_function = octave_value (fcn); | |
677 } | |
4913 | 678 } |
679 | |
7336 | 680 return autoload_function; |
681 } | |
4914 | 682 |
7336 | 683 octave_value |
684 symbol_table::fcn_info::fcn_info_rep::find_user_function (void) | |
685 { | |
686 // Function on the path. | |
4913 | 687 |
7336 | 688 if (function_on_path.is_defined ()) |
689 out_of_date_check_internal (function_on_path); | |
4913 | 690 |
7336 | 691 if (! function_on_path.is_defined ()) |
692 { | |
693 std::string dir_name; | |
4913 | 694 |
7336 | 695 std::string file_name = load_path::find_fcn (name, dir_name); |
4913 | 696 |
7336 | 697 if (! file_name.empty ()) |
698 { | |
699 octave_function *fcn = load_fcn_from_file (file_name, dir_name); | |
4913 | 700 |
7336 | 701 if (fcn) |
702 function_on_path = octave_value (fcn); | |
4913 | 703 } |
704 } | |
705 | |
7336 | 706 return function_on_path; |
707 } | |
708 | |
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709 static std::string |
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710 fcn_file_name (const octave_value& fcn) |
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711 { |
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712 const octave_function *f = fcn.function_value (); |
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713 |
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714 return f ? f->fcn_file_name () : std::string (); |
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715 } |
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716 |
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717 void |
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718 symbol_table::fcn_info::fcn_info_rep::dump |
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719 (std::ostream& os, const std::string& prefix) const |
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720 { |
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721 os << prefix << name |
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722 << " [" |
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723 << (cmdline_function.is_defined () ? "c" : "") |
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724 << (built_in_function.is_defined () ? "b" : "") |
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725 << "]\n"; |
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726 |
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727 std::string tprefix = prefix + " "; |
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728 |
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729 if (autoload_function.is_defined ()) |
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730 os << tprefix << "autoload: " |
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731 << fcn_file_name (autoload_function) << "\n"; |
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732 |
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733 if (function_on_path.is_defined ()) |
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734 os << tprefix << "function from path: " |
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735 << fcn_file_name (function_on_path) << "\n"; |
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736 |
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737 if (! subfunctions.empty ()) |
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738 { |
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|
739 for (scope_val_const_iterator p = subfunctions.begin (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
740 p != subfunctions.end (); p++) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
741 os << tprefix << "subfunction: " << fcn_file_name (p->second) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
742 << " [" << p->first << "]\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
743 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
744 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
745 if (! private_functions.empty ()) |
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 for (str_val_const_iterator p = private_functions.begin (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
748 p != private_functions.end (); p++) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
749 os << tprefix << "private: " << fcn_file_name (p->second) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
750 << " [" << p->first << "]\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
751 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
752 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
753 if (! class_constructors.empty ()) |
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 for (str_val_const_iterator p = class_constructors.begin (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
756 p != class_constructors.end (); p++) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
757 os << tprefix << "constructor: " << fcn_file_name (p->second) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
758 << " [" << p->first << "]\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
759 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
760 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
761 if (! class_methods.empty ()) |
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 for (str_val_const_iterator p = class_methods.begin (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
764 p != class_methods.end (); p++) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
765 os << tprefix << "method: " << fcn_file_name (p->second) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
766 << " [" << p->first << "]\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
767 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
768 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
769 if (! dispatch_map.empty ()) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
770 { |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
771 for (dispatch_map_const_iterator p = dispatch_map.begin (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
772 p != dispatch_map.end (); p++) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
773 os << tprefix << "dispatch: " << fcn_file_name (p->second) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
774 << " [" << p->first << "]\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
775 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
776 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
777 |
7336 | 778 octave_value |
779 symbol_table::fcn_info::find (tree_argument_list *args, | |
780 const string_vector& arg_names, | |
781 octave_value_list& evaluated_args, | |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
782 bool& args_evaluated) |
7336 | 783 { |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
784 return rep->find (args, arg_names, evaluated_args, args_evaluated); |
7336 | 785 } |
786 | |
787 octave_value | |
788 symbol_table::find (const std::string& name, tree_argument_list *args, | |
789 const string_vector& arg_names, | |
790 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
|
791 bool skip_variables) |
7336 | 792 { |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
793 symbol_table *inst = get_instance (xcurrent_scope); |
7336 | 794 |
795 return inst | |
796 ? 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
|
797 args_evaluated, skip_variables) |
7336 | 798 : octave_value (); |
799 } | |
800 | |
801 octave_value | |
802 symbol_table::find_function (const std::string& name, tree_argument_list *args, | |
803 const string_vector& arg_names, | |
804 octave_value_list& evaluated_args, | |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
805 bool& args_evaluated) |
7336 | 806 { |
7818
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
807 octave_value retval; |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
808 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
|
809 |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
810 if (pos == NPOS) |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
811 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
|
812 else |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
813 { |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
814 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
|
815 scope_id stored_scope = xcurrent_scope; |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
816 xcurrent_scope = xtop_scope; |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
817 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
|
818 if (parent.is_defined ()) |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
819 { |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
820 octave_function *parent_fcn = parent.function_value (); |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
821 if (parent_fcn) |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
822 { |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
823 xcurrent_scope = parent_fcn->scope (); |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
824 if (xcurrent_scope > 1) |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
825 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
|
826 evaluated_args, args_evaluated); |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
827 } |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
828 } |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
829 xcurrent_scope = stored_scope; |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
830 } |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
831 |
5640a70cbab1
Add Ffilemarker and fix for 'dbstep in'
David Bateman <dbateman@free.fr>
parents:
7767
diff
changeset
|
832 return retval; |
4913 | 833 } |
834 | |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
835 void |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
836 symbol_table::dump (std::ostream& os, scope_id scope) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
837 { |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
838 if (scope == xglobal_scope) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
839 dump_global (os); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
840 else |
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 symbol_table *inst = get_instance (scope, false); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
843 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
844 if (inst) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
845 { |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
846 os << "*** dumping symbol table scope " << scope |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
847 << " (" << inst->table_name << ")\n\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 std::map<std::string, octave_value> sfuns |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
850 = symbol_table::subfunctions_defined_in_scope (scope); |
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 if (! sfuns.empty ()) |
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 os << " subfunctions defined in this scope:\n"; |
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 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
|
857 p != sfuns.end (); p++) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
858 os << " " << p->first << "\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 os << "\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
861 } |
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 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
864 inst->do_dump (os); |
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 } |
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 void |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
870 symbol_table::dump_global (std::ostream& os) |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
871 { |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
872 if (! global_table.empty ()) |
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 os << "*** dumping global symbol table\n\n"; |
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 for (global_table_const_iterator p = global_table.begin (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
877 p != global_table.end (); p++) |
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 std::string nm = p->first; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
880 octave_value val = p->second; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
881 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
882 os << " " << nm << " "; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
883 val.dump (os); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
884 os << "\n"; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
885 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
886 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
887 } |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
888 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
|
889 void |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7752
diff
changeset
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890 symbol_table::dump_functions (std::ostream& os) |
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891 { |
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892 if (! fcn_table.empty ()) |
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893 { |
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894 os << "*** dumping globally visible functions from symbol table\n" |
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895 << " (c=commandline, b=built-in)\n\n"; |
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896 |
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897 for (fcn_table_const_iterator p = fcn_table.begin (); |
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898 p != fcn_table.end (); p++) |
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899 p->second.dump (os, " "); |
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900 |
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901 os << "\n"; |
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902 } |
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903 } |
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904 |
7336 | 905 octave_value |
906 symbol_table::do_find (const std::string& name, tree_argument_list *args, | |
907 const string_vector& arg_names, | |
908 octave_value_list& evaluated_args, | |
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909 bool& args_evaluated, bool skip_variables) |
3013 | 910 { |
7336 | 911 octave_value retval; |
4913 | 912 |
7336 | 913 // Variable. |
4913 | 914 |
7336 | 915 if (! skip_variables) |
3013 | 916 { |
7336 | 917 table_iterator p = table.find (name); |
3013 | 918 |
7336 | 919 if (p != table.end ()) |
920 { | |
7761
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921 symbol_record sr = p->second; |
3013 | 922 |
7336 | 923 // FIXME -- should we be using something other than varref here? |
5005 | 924 |
7336 | 925 if (sr.is_global ()) |
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926 return symbol_table::global_varref (name); |
7336 | 927 else |
928 { | |
929 octave_value& val = sr.varref (); | |
4913 | 930 |
7336 | 931 if (val.is_defined ()) |
932 return val; | |
933 } | |
934 } | |
935 } | |
4913 | 936 |
7336 | 937 fcn_table_iterator p = fcn_table.find (name); |
4913 | 938 |
7336 | 939 if (p != fcn_table.end ()) |
940 { | |
941 evaluated_args = octave_value_list (); | |
942 args_evaluated = false; | |
3013 | 943 |
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944 return p->second.find (args, arg_names, evaluated_args, args_evaluated); |
3013 | 945 } |
946 else | |
947 { | |
7336 | 948 fcn_info finfo (name); |
949 | |
950 octave_value fcn = finfo.find (args, arg_names, evaluated_args, | |
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951 args_evaluated); |
3013 | 952 |
7336 | 953 if (fcn.is_defined ()) |
954 fcn_table[name] = finfo; | |
3013 | 955 |
7336 | 956 return fcn; |
3013 | 957 } |
958 | |
7336 | 959 return retval; |
605 | 960 } |
961 | |
7761
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962 void |
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963 symbol_table::do_dump (std::ostream& os) |
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964 { |
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965 if (! persistent_table.empty ()) |
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966 { |
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967 os << " persistent variables in this scope:\n\n"; |
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968 |
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969 for (persistent_table_const_iterator p = persistent_table.begin (); |
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970 p != persistent_table.end (); p++) |
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971 { |
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972 std::string nm = p->first; |
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973 octave_value val = p->second; |
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974 |
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975 os << " " << nm << " "; |
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976 val.dump (os); |
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977 os << "\n"; |
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978 } |
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979 |
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980 os << "\n"; |
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981 } |
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982 |
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983 if (! table.empty ()) |
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984 { |
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985 os << " other symbols in this scope (l=local; a=auto; f=formal\n" |
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986 << " h=hidden; i=inherited; g=global; p=persistent)\n\n"; |
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987 |
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988 for (table_const_iterator p = table.begin (); p != table.end (); p++) |
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989 p->second.dump (os, " "); |
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990 |
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991 os << "\n"; |
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992 } |
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993 } |
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994 |
7336 | 995 DEFUN (ignore_function_time_stamp, args, nargout, |
996 "-*- texinfo -*-\n\ | |
997 @deftypefn {Built-in Function} {@var{val} =} ignore_function_time_stamp ()\n\ | |
998 @deftypefnx {Built-in Function} {@var{old_val} =} ignore_function_time_stamp (@var{new_val})\n\ | |
999 Query or set the internal variable that controls whether Octave checks\n\ | |
1000 the time stamp on files each time it looks up functions defined in\n\ | |
1001 function files. If the internal variable is set to @code{\"system\"},\n\ | |
1002 Octave will not automatically recompile function files in subdirectories of\n\ | |
1003 @file{@var{octave-home}/lib/@var{version}} if they have changed since\n\ | |
1004 they were last compiled, but will recompile other function files in the\n\ | |
1005 search path if they change. If set to @code{\"all\"}, Octave will not\n\ | |
1006 recompile any function files unless their definitions are removed with\n\ | |
1007 @code{clear}. If set to \"none\", Octave will always check time stamps\n\ | |
1008 on files to determine whether functions defined in function files\n\ | |
1009 need to recompiled.\n\ | |
1010 @end deftypefn") | |
220 | 1011 { |
7336 | 1012 octave_value retval; |
220 | 1013 |
7336 | 1014 if (nargout > 0) |
5861 | 1015 { |
7336 | 1016 switch (Vignore_function_time_stamp) |
5861 | 1017 { |
7336 | 1018 case 1: |
1019 retval = "system"; | |
1020 break; | |
5861 | 1021 |
7336 | 1022 case 2: |
1023 retval = "all"; | |
1024 break; | |
5861 | 1025 |
7336 | 1026 default: |
1027 retval = "none"; | |
1028 break; | |
5861 | 1029 } |
1030 } | |
1031 | |
7336 | 1032 int nargin = args.length (); |
5861 | 1033 |
7336 | 1034 if (nargin == 1) |
3013 | 1035 { |
7336 | 1036 std::string sval = args(0).string_value (); |
1 | 1037 |
7336 | 1038 if (! error_state) |
1039 { | |
1040 if (sval == "all") | |
1041 Vignore_function_time_stamp = 2; | |
1042 else if (sval == "system") | |
1043 Vignore_function_time_stamp = 1; | |
1044 else if (sval == "none") | |
1045 Vignore_function_time_stamp = 0; | |
1046 else | |
1047 error ("ignore_function_time_stamp: expecting argument to be \"all\", \"system\", or \"none\""); | |
1048 } | |
1049 else | |
1050 error ("ignore_function_time_stamp: expecting argument to be character string"); | |
1051 } | |
1052 else if (nargin > 1) | |
1053 print_usage (); | |
4238 | 1054 |
7336 | 1055 return retval; |
3308 | 1056 } |
1057 | |
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1058 DEFUN (__current_scope__, , , |
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1059 "-*- texinfo -*-\n\ |
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1060 @deftypefn {Built-in Function} {[@var{scope}, @var{context}]} __dump_symtab_info__ ()\n\ |
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1061 Undocumented internal function.\n\ |
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1062 @end deftypefn") |
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1063 { |
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1064 octave_value_list retval; |
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1065 |
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1066 retval(1) = symbol_table::current_context (); |
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1067 retval(0) = symbol_table::current_scope (); |
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1068 |
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1069 return retval; |
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1070 } |
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1071 |
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1072 DEFUN (__dump_symtab_info__, args, , |
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1073 "-*- texinfo -*-\n\ |
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1074 @deftypefn {Built-in Function} {} __dump_symtab_info__ ()\n\ |
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1075 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (@var{scope})\n\ |
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1076 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (\"scopes\")\n\ |
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1077 @deftypefnx {Built-in Function} {} __dump_symtab_info__ (\"functions\")\n\ |
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1078 Undocumented internal function.\n\ |
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1079 @end deftypefn") |
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1080 { |
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1081 octave_value retval; |
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1082 |
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1083 int nargin = args.length (); |
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1084 |
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1085 if (nargin == 0) |
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1086 { |
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1087 symbol_table::dump_functions (octave_stdout); |
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1088 |
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1089 symbol_table::dump_global (octave_stdout); |
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1090 |
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1091 std::list<symbol_table::scope_id> lst = symbol_table::scopes (); |
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1092 |
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1093 for (std::list<symbol_table::scope_id>::const_iterator p = lst.begin (); |
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1094 p != lst.end (); p++) |
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1095 symbol_table::dump (octave_stdout, *p); |
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1096 } |
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1097 else if (nargin == 1) |
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1098 { |
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1099 octave_value arg = args(0); |
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1100 |
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1101 if (arg.is_string ()) |
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1102 { |
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1103 std::string s_arg = arg.string_value (); |
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1104 |
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1105 if (s_arg == "scopes") |
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1106 { |
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1107 std::list<symbol_table::scope_id> lst = symbol_table::scopes (); |
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1108 |
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1109 RowVector v (lst.size ()); |
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1110 |
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1111 octave_idx_type k = 0; |
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1112 |
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1113 for (std::list<symbol_table::scope_id>::const_iterator p = lst.begin (); |
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1114 p != lst.end (); p++) |
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1115 v.xelem (k++) = *p; |
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1116 |
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1117 retval = v; |
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1118 } |
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1119 else if (s_arg == "functions") |
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1120 { |
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1121 symbol_table::dump_functions (octave_stdout); |
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1122 } |
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1123 else |
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1124 error ("__dump_symtab_info__: expecting \"functions\" or \"scopes\""); |
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1125 } |
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1126 else |
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1127 { |
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1128 int s = arg.int_value (); |
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1129 |
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1130 if (! error_state) |
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1131 symbol_table::dump (octave_stdout, s); |
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1132 else |
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1133 error ("__dump_symtab_info__: expecting string or scope id"); |
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1134 } |
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1135 } |
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1136 else |
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1137 print_usage (); |
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1138 |
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1139 return retval; |
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1140 } |
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1141 |
7437 | 1142 #if 0 |
1143 | |
1144 // FIXME -- should we have functions like this in Octave? | |
1145 | |
1146 DEFUN (set_variable, args, , "set_variable (NAME, VALUE)") | |
1147 { | |
1148 octave_value retval; | |
1149 | |
1150 if (args.length () == 2) | |
1151 { | |
1152 std::string name = args(0).string_value (); | |
1153 | |
1154 if (! error_state) | |
1155 symbol_table::varref (name) = args(1); | |
1156 else | |
1157 error ("set_variable: expecting variable name as first argument"); | |
1158 } | |
1159 else | |
1160 print_usage (); | |
1161 | |
1162 return retval; | |
1163 } | |
1164 | |
1165 DEFUN (variable_value, args, , "VALUE = variable_value (NAME)") | |
1166 { | |
1167 octave_value retval; | |
1168 | |
1169 if (args.length () == 1) | |
1170 { | |
1171 std::string name = args(0).string_value (); | |
1172 | |
1173 if (! error_state) | |
1174 { | |
1175 retval = symbol_table::varval (name); | |
1176 | |
1177 if (retval.is_undefined ()) | |
1178 error ("variable_value: `%s' is not a variable in the current scope", | |
1179 name.c_str ()); | |
1180 } | |
1181 else | |
1182 error ("variable_value: expecting variable name as first argument"); | |
1183 } | |
1184 else | |
1185 print_usage (); | |
1186 | |
1187 return retval; | |
1188 } | |
1189 #endif | |
1190 | |
1 | 1191 /* |
1192 ;;; Local Variables: *** | |
1193 ;;; mode: C++ *** | |
1194 ;;; End: *** | |
1195 */ |