|
3805
|
1 /* |
|
|
2 |
|
|
3 Copyright (C) 2001 Ben Sapp |
|
|
4 |
|
|
5 This file is part of Octave. |
|
|
6 |
|
|
7 Octave is free software; you can redistribute it and/or modify it |
|
|
8 under the terms of the GNU General Public License as published by the |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
11 |
|
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 for more details. |
|
|
16 |
|
|
17 You should have received a copy of the GNU General Public License |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #ifdef HAVE_CONFIG_H |
|
|
24 #include <config.h> |
|
|
25 #endif |
|
|
26 |
|
3895
|
27 #include <iostream> |
|
|
28 #include <fstream> |
|
3948
|
29 #include <string> |
|
3895
|
30 |
|
3805
|
31 #include "defun.h" |
|
|
32 #include "error.h" |
|
|
33 #include "input.h" |
|
|
34 #include "pager.h" |
|
|
35 #include "oct-obj.h" |
|
|
36 #include "utils.h" |
|
|
37 #include "parse.h" |
|
|
38 #include "symtab.h" |
|
|
39 #include "gripes.h" |
|
|
40 #include "ov.h" |
|
|
41 #include "ov-usr-fcn.h" |
|
|
42 #include "ov-fcn.h" |
|
|
43 #include "pt-pr-code.h" |
|
|
44 #include "pt.h" |
|
|
45 #include "pt-bp.h" |
|
|
46 #include "pt-stmt.h" |
|
|
47 #include "toplev.h" |
|
|
48 #include "unwind-prot.h" |
|
|
49 #include "variables.h" |
|
|
50 |
|
3949
|
51 static octave_user_function * |
|
3805
|
52 get_user_function (std::string str = "") |
|
|
53 { |
|
3956
|
54 octave_user_function *dbg_fcn = 0; |
|
3805
|
55 |
|
3895
|
56 if (str.compare ("")) |
|
3805
|
57 { |
|
|
58 symbol_record *ptr = curr_sym_tab->lookup (str); |
|
3946
|
59 |
|
3805
|
60 if (ptr && ptr->is_user_function ()) |
|
|
61 { |
|
|
62 octave_value tmp = ptr->def (); |
|
4346
|
63 dbg_fcn = dynamic_cast<octave_user_function *> (tmp.function_value ()); |
|
3805
|
64 } |
|
|
65 else |
|
|
66 { |
|
4587
|
67 ptr = lookup_by_name (str, false); |
|
3946
|
68 |
|
3805
|
69 if (ptr && ptr->is_user_function ()) |
|
|
70 { |
|
|
71 octave_value tmp = ptr->def (); |
|
4346
|
72 dbg_fcn = dynamic_cast<octave_user_function *> (tmp.function_value ()); |
|
3805
|
73 } |
|
|
74 } |
|
|
75 } |
|
4748
|
76 else if (curr_function && curr_function->is_user_function ()) |
|
|
77 dbg_fcn = dynamic_cast<octave_user_function *> (curr_function); |
|
3805
|
78 |
|
|
79 return dbg_fcn; |
|
|
80 } |
|
|
81 |
|
3895
|
82 |
|
4208
|
83 DEFCMD (dbstop, args, , |
|
3805
|
84 "-*- texinfo -*-\n\ |
|
3895
|
85 @deftypefn {Loadable Function} {rline =} dbstop (func, line)\n\ |
|
3805
|
86 Set a breakpoint in a function\n\ |
|
|
87 @table @code\n\ |
|
|
88 @item func\n\ |
|
|
89 String representing the function name. When already in debug\n\ |
|
|
90 mode this should be left out and only the line should be given.\n\ |
|
|
91 @item line\n\ |
|
|
92 Line you would like the breakpoint to be set on\n\ |
|
|
93 @end table\n\ |
|
|
94 \n\ |
|
|
95 The rline returned is the real line that the breakpoint was set at.\n\ |
|
|
96 \n\ |
|
|
97 @end deftypefn\n\ |
|
4419
|
98 @seealso{dbclear, dbstatus, dbnext}") |
|
3805
|
99 { |
|
|
100 octave_value retval; |
|
|
101 |
|
|
102 int result = -1; |
|
|
103 int nargin = args.length (); |
|
3946
|
104 |
|
3895
|
105 string_vector argv = args.make_argv ("dbstop"); |
|
3805
|
106 |
|
|
107 if (error_state) |
|
|
108 return retval; |
|
|
109 |
|
|
110 if (nargin == 2) |
|
3946
|
111 { |
|
3805
|
112 std::string symbol_name = argv[1]; |
|
|
113 |
|
|
114 std::string line_number = argv[2]; |
|
|
115 |
|
|
116 int line = atoi (line_number.c_str ()); |
|
3946
|
117 |
|
3805
|
118 octave_user_function *dbg_fcn = get_user_function (symbol_name); |
|
|
119 |
|
|
120 if (dbg_fcn) |
|
|
121 { |
|
|
122 tree_statement_list *cmds = dbg_fcn->body (); |
|
|
123 result = cmds->set_breakpoint (line); |
|
|
124 } |
|
|
125 else |
|
3948
|
126 error ("dbstop: unable to find the function requested\n"); |
|
3805
|
127 } |
|
|
128 else if (nargin == 1) |
|
|
129 { |
|
|
130 std::string line_number = argv[1]; |
|
|
131 |
|
|
132 int line = atoi (line_number.c_str ()); |
|
|
133 |
|
|
134 octave_user_function *dbg_fcn = get_user_function (); |
|
3946
|
135 |
|
3805
|
136 if (dbg_fcn) |
|
|
137 { |
|
|
138 tree_statement_list *cmds = dbg_fcn->body (); |
|
|
139 result = cmds->set_breakpoint (line); |
|
|
140 } |
|
|
141 else |
|
3948
|
142 error ("dbstop: unable to find the function requested\n"); |
|
3805
|
143 } |
|
|
144 else |
|
3948
|
145 error ("dbstop: one argument when in a function and two when not\n"); |
|
3805
|
146 |
|
4233
|
147 retval = result; |
|
3805
|
148 |
|
|
149 return retval; |
|
|
150 } |
|
|
151 |
|
4208
|
152 DEFCMD (dbclear, args, , |
|
3805
|
153 "-*- texinfo -*-\n\ |
|
3895
|
154 @deftypefn {Loadable Function} {} dbclear (func, line)\n\ |
|
3805
|
155 Delete a breakpoint in a function\n\ |
|
|
156 @table @code\n\ |
|
|
157 @item func\n\ |
|
|
158 String representing the function name. When already in debug\n\ |
|
|
159 mode this should be left out and only the line should be given.\n\ |
|
|
160 @item line\n\ |
|
|
161 Line where you would like to remove the the breakpoint\n\ |
|
|
162 @end table\n\ |
|
|
163 No checking is done to make sure that the line you requested is really\n\ |
|
|
164 a breakpoint. If you get the wrong line nothing will happen.\n\ |
|
|
165 @end deftypefn\n\ |
|
3895
|
166 @seealso{dbstop, dbstatus, dbwhere}") |
|
3805
|
167 { |
|
|
168 octave_value retval; |
|
|
169 |
|
|
170 std::string symbol_name = ""; |
|
3895
|
171 std::string line_number; |
|
3949
|
172 |
|
3805
|
173 int line = -1; |
|
|
174 int nargin = args.length (); |
|
3946
|
175 |
|
3895
|
176 string_vector argv = args.make_argv ("dbclear"); |
|
3805
|
177 |
|
|
178 if (error_state) |
|
|
179 return retval; |
|
|
180 |
|
3948
|
181 if (nargin == 1 || nargin == 2) |
|
3805
|
182 { |
|
3948
|
183 if (nargin == 2) |
|
|
184 { |
|
|
185 symbol_name = argv[1]; |
|
|
186 |
|
|
187 octave_stdout << argv[1] << std::endl; |
|
|
188 line_number = argv[2]; |
|
|
189 } |
|
|
190 else if (nargin == 1) |
|
|
191 { |
|
|
192 line_number = argv[1]; |
|
|
193 } |
|
3946
|
194 |
|
3948
|
195 if (line_number.compare ("all") && line_number.compare ("ALL")) |
|
|
196 line = atoi (line_number.c_str ()); |
|
|
197 else |
|
|
198 line = -1; |
|
|
199 |
|
|
200 octave_stdout << "symbol_name = " << symbol_name << std::endl; |
|
|
201 octave_user_function *dbg_fcn = get_user_function (symbol_name); |
|
3805
|
202 |
|
3948
|
203 if (dbg_fcn) |
|
|
204 { |
|
|
205 tree_statement_list *cmds = dbg_fcn->body (); |
|
|
206 cmds->delete_breakpoint (line); |
|
|
207 } |
|
|
208 else |
|
|
209 error ("dbclear: unable to find the function requested\n"); |
|
3805
|
210 } |
|
|
211 else |
|
3948
|
212 error ("dbclear: expecting one or two arguements\n"); |
|
3805
|
213 |
|
|
214 return retval; |
|
|
215 } |
|
|
216 |
|
4208
|
217 DEFCMD (dbstatus, args, , |
|
3805
|
218 "-*- texinfo -*-\n\ |
|
3895
|
219 @deftypefn {Loadable Function} {lst =} dbstatus ([func])\n\ |
|
3805
|
220 Return a vector containing the lines on which a function has \n\ |
|
|
221 breakpoints set.\n\ |
|
|
222 @table @code\n\ |
|
|
223 @item func\n\ |
|
|
224 String representing the function name. When already in debug\n\ |
|
|
225 mode this should be left out.\n\ |
|
|
226 @end table\n\ |
|
|
227 @end deftypefn\n\ |
|
3895
|
228 @seealso{dbclear, dbwhere}") |
|
3805
|
229 { |
|
|
230 octave_value retval; |
|
|
231 |
|
|
232 int nargin = args.length (); |
|
|
233 |
|
|
234 if (nargin != 0 && nargin != 1) |
|
|
235 { |
|
3948
|
236 error ("dbstatus: only zero or one arguements accepted\n"); |
|
3805
|
237 return retval; |
|
|
238 } |
|
|
239 |
|
|
240 std::string symbol_name = ""; |
|
|
241 |
|
|
242 if (nargin == 1) |
|
|
243 { |
|
|
244 if (args(0).is_string ()) |
|
|
245 symbol_name = args(0).string_value (); |
|
|
246 else |
|
3895
|
247 gripe_wrong_type_arg ("dbstatus", args(0)); |
|
3805
|
248 } |
|
|
249 |
|
|
250 octave_user_function *dbg_fcn = get_user_function (symbol_name); |
|
3946
|
251 |
|
3805
|
252 if (dbg_fcn) |
|
|
253 { |
|
|
254 tree_statement_list *cmds = dbg_fcn->body (); |
|
|
255 |
|
|
256 octave_value_list lst = cmds->list_breakpoints (); |
|
|
257 |
|
|
258 RowVector vec (lst.length (), 0.0); |
|
|
259 |
|
|
260 for (int i = 0; i < lst.length (); i++) |
|
3946
|
261 { |
|
3805
|
262 vec(i) = lst(i).double_value (); |
|
|
263 |
|
|
264 if (error_state) |
|
|
265 panic_impossible (); |
|
|
266 } |
|
|
267 |
|
|
268 retval = octave_value (vec); |
|
|
269 } |
|
|
270 else |
|
3948
|
271 error ("dbstatus: unable to find the function you requested\n"); |
|
3805
|
272 |
|
|
273 return retval; |
|
|
274 } |
|
|
275 |
|
4208
|
276 DEFCMD (dbwhere, , , |
|
3805
|
277 "-*- texinfo -*-\n\ |
|
3895
|
278 @deftypefn {Loadable Function} {} dbwhere ()\n\ |
|
3805
|
279 Show where we are in the code\n\ |
|
|
280 @end deftypefn\n\ |
|
3895
|
281 @seealso{dbclear, dbstatus, dbstop}") |
|
3805
|
282 { |
|
|
283 octave_value retval; |
|
3946
|
284 |
|
4748
|
285 octave_user_function *dbg_fcn = 0; |
|
|
286 |
|
|
287 if (curr_function && curr_function->is_user_function ()) |
|
|
288 dbg_fcn = dynamic_cast<octave_user_function *> (curr_function); |
|
3805
|
289 |
|
|
290 if (dbg_fcn) |
|
|
291 { |
|
4748
|
292 std::string name = dbg_fcn->name (); |
|
3805
|
293 |
|
|
294 octave_stdout << name << ":"; |
|
|
295 |
|
|
296 const tree *dbg_stmt = tree::break_statement; |
|
|
297 |
|
|
298 if (dbg_stmt) |
|
|
299 { |
|
3946
|
300 octave_stdout << "line " << dbg_stmt->line () << ", "; |
|
3805
|
301 octave_stdout << "column " << dbg_stmt->column () << std::endl; |
|
|
302 } |
|
|
303 else |
|
|
304 octave_stdout << "-1\n"; |
|
|
305 } |
|
|
306 else |
|
3948
|
307 error ("dbwhere: must be inside of a user function to use dbwhere\n"); |
|
3895
|
308 |
|
|
309 return retval; |
|
|
310 } |
|
|
311 |
|
|
312 // Copied and modified from the do_type command in help.cc |
|
3946
|
313 // Maybe we could share some code? |
|
|
314 void |
|
3949
|
315 do_dbtype (std::ostream& os, const std::string& name, int start, int end) |
|
3895
|
316 { |
|
|
317 std::string ff = fcn_file_in_path (name); |
|
|
318 |
|
|
319 if (! ff.empty ()) |
|
|
320 { |
|
|
321 std::ifstream fs (ff.c_str (), std::ios::in); |
|
3946
|
322 |
|
3895
|
323 if (fs) |
|
3946
|
324 { |
|
3895
|
325 char ch; |
|
|
326 int line = 1; |
|
3946
|
327 |
|
3895
|
328 if (line >= start && line <= end) |
|
|
329 os << line << "\t"; |
|
3946
|
330 |
|
3895
|
331 while (fs.get (ch)) |
|
|
332 { |
|
|
333 if (line >= start && line <= end) |
|
|
334 { |
|
|
335 os << ch; |
|
|
336 } |
|
|
337 |
|
|
338 if (ch == '\n') |
|
|
339 { |
|
|
340 line++; |
|
|
341 if (line >= start && line <= end) |
|
3946
|
342 os << line << "\t"; |
|
3895
|
343 } |
|
|
344 } |
|
|
345 } |
|
3946
|
346 else |
|
3949
|
347 os << "dbtype: unable to open `" << ff << "' for reading!\n"; |
|
3895
|
348 } |
|
|
349 else |
|
3949
|
350 os << "dbtype: unkown function"; |
|
3895
|
351 |
|
|
352 } |
|
|
353 |
|
4208
|
354 DEFCMD (dbtype, args, , |
|
3895
|
355 "-*- texinfo -*-\n\ |
|
|
356 @deftypefn {Loadable Function} {} dbtype ()\n\ |
|
|
357 List script file with line numbers.\n\ |
|
|
358 @end deftypefn\n\ |
|
|
359 @seealso{dbclear, dbstatus, dbstop}") |
|
|
360 { |
|
|
361 octave_value retval; |
|
|
362 octave_user_function *dbg_fcn; |
|
3946
|
363 |
|
3895
|
364 int nargin = args.length (); |
|
|
365 string_vector argv = args.make_argv ("dbtype"); |
|
3946
|
366 |
|
3895
|
367 if (! error_state) |
|
|
368 { |
|
|
369 switch (nargin) |
|
|
370 { |
|
|
371 case 0: // dbtype |
|
|
372 dbg_fcn = get_user_function (); |
|
|
373 |
|
|
374 if (dbg_fcn) |
|
4748
|
375 do_dbtype (octave_stdout, dbg_fcn->name (), 0, INT_MAX); |
|
3895
|
376 else |
|
3948
|
377 error ("dbtype: must be in a user function to give no arguments to dbtype\n"); |
|
3946
|
378 break; |
|
3895
|
379 |
|
3946
|
380 case 1: // (dbtype func) || (dbtype start:end) |
|
3948
|
381 dbg_fcn = get_user_function (argv[1]); |
|
3895
|
382 |
|
|
383 if (dbg_fcn) |
|
4748
|
384 do_dbtype (octave_stdout, dbg_fcn->name (), 0, INT_MAX); |
|
3895
|
385 else |
|
|
386 { |
|
|
387 dbg_fcn = get_user_function (""); |
|
|
388 |
|
|
389 if (dbg_fcn) |
|
|
390 { |
|
3948
|
391 std::string arg = argv[1]; |
|
|
392 |
|
|
393 size_t ind = arg.find (':'); |
|
3895
|
394 |
|
3948
|
395 if (ind != NPOS) |
|
|
396 { |
|
|
397 std::string start_str = arg.substr (0, ind); |
|
|
398 std::string end_str = arg.substr (ind + 1); |
|
|
399 |
|
|
400 int start = atoi (start_str.c_str ()); |
|
|
401 int end = atoi (end_str.c_str ()); |
|
3946
|
402 |
|
3948
|
403 if (start < end) |
|
|
404 do_dbtype (octave_stdout, |
|
4748
|
405 dbg_fcn->name (), start, end); |
|
3948
|
406 else |
|
|
407 error ("dbtype: the start line must be less than the end line\n"); |
|
3895
|
408 } |
|
3948
|
409 else |
|
|
410 error ("dbtype: if you specify lines it must be like `start:end`"); |
|
3895
|
411 } |
|
|
412 } |
|
|
413 break; |
|
3946
|
414 |
|
|
415 case 2: // (dbtype func start:end) |
|
3948
|
416 dbg_fcn = get_user_function (argv[1]); |
|
3895
|
417 |
|
|
418 if (dbg_fcn) |
|
|
419 { |
|
3948
|
420 std::string arg = argv[2]; |
|
3895
|
421 |
|
3948
|
422 size_t ind = arg.find (':'); |
|
3895
|
423 |
|
3948
|
424 if (ind != NPOS) |
|
3895
|
425 { |
|
3948
|
426 std::string start_str = arg.substr (0, ind); |
|
|
427 std::string end_str = arg.substr (ind + 1); |
|
3895
|
428 |
|
3948
|
429 int start = atoi (start_str.c_str ()); |
|
|
430 int end = atoi (end_str.c_str ()); |
|
|
431 |
|
|
432 if (start < end) |
|
|
433 do_dbtype (octave_stdout, |
|
4748
|
434 dbg_fcn->name (), start, end); |
|
3948
|
435 else |
|
|
436 error ("dbtype: the start line must be less than the end line\n"); |
|
|
437 } |
|
|
438 else |
|
|
439 error ("dbtype: if you specify lines it must be like `start:end`"); |
|
3895
|
440 } |
|
3946
|
441 break; |
|
3895
|
442 |
|
|
443 default: |
|
3948
|
444 error ("dbtype: expecting zero, one, or two arguments\n"); |
|
3895
|
445 } |
|
|
446 } |
|
3805
|
447 |
|
|
448 return retval; |
|
|
449 } |
|
|
450 |
|
|
451 /* |
|
|
452 ;;; Local Variables: *** |
|
|
453 ;;; mode: C++ *** |
|
|
454 ;;; End: *** |
|
|
455 */ |
