Commit | Line | Data |
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fb40c209 | 1 | /* MI Command Set - varobj commands. |
349c5d5f | 2 | |
1ecb4ee0 | 3 | Copyright 2000, 2002, 2004, 2005 Free Software Foundation, Inc. |
349c5d5f | 4 | |
ab91fdd5 | 5 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
6 | |
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | #include "defs.h" | |
25 | #include "mi-cmds.h" | |
26 | #include "ui-out.h" | |
27 | #include "mi-out.h" | |
28 | #include "varobj.h" | |
29 | #include "value.h" | |
30 | #include <ctype.h> | |
5f8a3188 | 31 | #include "gdb_string.h" |
fb40c209 | 32 | |
1ecb4ee0 DJ |
33 | const char mi_no_values[] = "--no-values"; |
34 | const char mi_simple_values[] = "--simple-values"; | |
35 | const char mi_all_values[] = "--all-values"; | |
36 | ||
fb40c209 AC |
37 | extern int varobjdebug; /* defined in varobj.c */ |
38 | ||
1ecb4ee0 DJ |
39 | static int varobj_update_one (struct varobj *var, |
40 | enum print_values print_values); | |
fb40c209 AC |
41 | |
42 | /* VAROBJ operations */ | |
43 | ||
44 | enum mi_cmd_result | |
45 | mi_cmd_var_create (char *command, char **argv, int argc) | |
46 | { | |
73a93a32 | 47 | CORE_ADDR frameaddr = 0; |
fb40c209 AC |
48 | struct varobj *var; |
49 | char *name; | |
50 | char *frame; | |
51 | char *expr; | |
52 | char *type; | |
53 | struct cleanup *old_cleanups; | |
73a93a32 | 54 | enum varobj_type var_type; |
fb40c209 AC |
55 | |
56 | if (argc != 3) | |
57 | { | |
c6902d46 AC |
58 | /* mi_error_message = xstrprintf ("mi_cmd_var_create: Usage: |
59 | ...."); return MI_CMD_ERROR; */ | |
8a3fe4f8 | 60 | error (_("mi_cmd_var_create: Usage: NAME FRAME EXPRESSION.")); |
fb40c209 AC |
61 | } |
62 | ||
63 | name = xstrdup (argv[0]); | |
64 | /* Add cleanup for name. Must be free_current_contents as | |
65 | name can be reallocated */ | |
47cf603e | 66 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
67 | |
68 | frame = xstrdup (argv[1]); | |
b8c9b27d | 69 | old_cleanups = make_cleanup (xfree, frame); |
fb40c209 AC |
70 | |
71 | expr = xstrdup (argv[2]); | |
72 | ||
73 | if (strcmp (name, "-") == 0) | |
74 | { | |
b8c9b27d | 75 | xfree (name); |
fb40c209 AC |
76 | name = varobj_gen_name (); |
77 | } | |
78 | else if (!isalpha (*name)) | |
8a3fe4f8 | 79 | error (_("mi_cmd_var_create: name of object must begin with a letter")); |
fb40c209 AC |
80 | |
81 | if (strcmp (frame, "*") == 0) | |
73a93a32 JI |
82 | var_type = USE_CURRENT_FRAME; |
83 | else if (strcmp (frame, "@") == 0) | |
84 | var_type = USE_SELECTED_FRAME; | |
fb40c209 | 85 | else |
73a93a32 JI |
86 | { |
87 | var_type = USE_SPECIFIED_FRAME; | |
1bd34ded | 88 | frameaddr = string_to_core_addr (frame); |
73a93a32 | 89 | } |
fb40c209 AC |
90 | |
91 | if (varobjdebug) | |
92 | fprintf_unfiltered (gdb_stdlog, | |
93 | "Name=\"%s\", Frame=\"%s\" (0x%s), Expression=\"%s\"\n", | |
94 | name, frame, paddr (frameaddr), expr); | |
95 | ||
73a93a32 | 96 | var = varobj_create (name, expr, frameaddr, var_type); |
fb40c209 AC |
97 | |
98 | if (var == NULL) | |
8a3fe4f8 | 99 | error (_("mi_cmd_var_create: unable to create variable object")); |
fb40c209 AC |
100 | |
101 | ui_out_field_string (uiout, "name", name); | |
102 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (var)); | |
103 | type = varobj_get_type (var); | |
104 | if (type == NULL) | |
105 | ui_out_field_string (uiout, "type", ""); | |
106 | else | |
107 | { | |
108 | ui_out_field_string (uiout, "type", type); | |
b8c9b27d | 109 | xfree (type); |
fb40c209 AC |
110 | } |
111 | ||
112 | do_cleanups (old_cleanups); | |
113 | return MI_CMD_DONE; | |
114 | } | |
115 | ||
116 | enum mi_cmd_result | |
117 | mi_cmd_var_delete (char *command, char **argv, int argc) | |
118 | { | |
119 | char *name; | |
120 | char *expr; | |
121 | struct varobj *var; | |
122 | int numdel; | |
123 | int children_only_p = 0; | |
124 | struct cleanup *old_cleanups; | |
125 | ||
126 | if (argc < 1 || argc > 2) | |
8a3fe4f8 | 127 | error (_("mi_cmd_var_delete: Usage: [-c] EXPRESSION.")); |
fb40c209 AC |
128 | |
129 | name = xstrdup (argv[0]); | |
130 | /* Add cleanup for name. Must be free_current_contents as | |
131 | name can be reallocated */ | |
47cf603e | 132 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
133 | |
134 | /* If we have one single argument it cannot be '-c' or any string | |
135 | starting with '-'. */ | |
136 | if (argc == 1) | |
137 | { | |
138 | if (strcmp (name, "-c") == 0) | |
8a3fe4f8 | 139 | error (_("mi_cmd_var_delete: Missing required argument after '-c': variable object name")); |
fb40c209 | 140 | if (*name == '-') |
8a3fe4f8 | 141 | error (_("mi_cmd_var_delete: Illegal variable object name")); |
fb40c209 AC |
142 | } |
143 | ||
144 | /* If we have 2 arguments they must be '-c' followed by a string | |
145 | which would be the variable name. */ | |
146 | if (argc == 2) | |
147 | { | |
148 | expr = xstrdup (argv[1]); | |
149 | if (strcmp (name, "-c") != 0) | |
8a3fe4f8 | 150 | error (_("mi_cmd_var_delete: Invalid option.")); |
fb40c209 | 151 | children_only_p = 1; |
b8c9b27d | 152 | xfree (name); |
fb40c209 | 153 | name = xstrdup (expr); |
b8c9b27d | 154 | xfree (expr); |
fb40c209 AC |
155 | } |
156 | ||
157 | /* If we didn't error out, now NAME contains the name of the | |
158 | variable. */ | |
159 | ||
160 | var = varobj_get_handle (name); | |
161 | ||
162 | if (var == NULL) | |
8a3fe4f8 | 163 | error (_("mi_cmd_var_delete: Variable object not found.")); |
fb40c209 AC |
164 | |
165 | numdel = varobj_delete (var, NULL, children_only_p); | |
166 | ||
167 | ui_out_field_int (uiout, "ndeleted", numdel); | |
168 | ||
169 | do_cleanups (old_cleanups); | |
170 | return MI_CMD_DONE; | |
171 | } | |
172 | ||
173 | enum mi_cmd_result | |
174 | mi_cmd_var_set_format (char *command, char **argv, int argc) | |
175 | { | |
176 | enum varobj_display_formats format; | |
177 | int len; | |
178 | struct varobj *var; | |
179 | char *formspec; | |
180 | ||
181 | if (argc != 2) | |
8a3fe4f8 | 182 | error (_("mi_cmd_var_set_format: Usage: NAME FORMAT.")); |
fb40c209 AC |
183 | |
184 | /* Get varobj handle, if a valid var obj name was specified */ | |
185 | var = varobj_get_handle (argv[0]); | |
186 | ||
187 | if (var == NULL) | |
8a3fe4f8 | 188 | error (_("mi_cmd_var_set_format: Variable object not found")); |
fb40c209 AC |
189 | |
190 | formspec = xstrdup (argv[1]); | |
191 | if (formspec == NULL) | |
8a3fe4f8 | 192 | error (_("mi_cmd_var_set_format: Must specify the format as: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", or \"octal\"")); |
fb40c209 AC |
193 | |
194 | len = strlen (formspec); | |
195 | ||
bf896cb0 | 196 | if (strncmp (formspec, "natural", len) == 0) |
fb40c209 | 197 | format = FORMAT_NATURAL; |
bf896cb0 | 198 | else if (strncmp (formspec, "binary", len) == 0) |
fb40c209 | 199 | format = FORMAT_BINARY; |
bf896cb0 | 200 | else if (strncmp (formspec, "decimal", len) == 0) |
fb40c209 | 201 | format = FORMAT_DECIMAL; |
bf896cb0 | 202 | else if (strncmp (formspec, "hexadecimal", len) == 0) |
fb40c209 | 203 | format = FORMAT_HEXADECIMAL; |
bf896cb0 | 204 | else if (strncmp (formspec, "octal", len) == 0) |
fb40c209 AC |
205 | format = FORMAT_OCTAL; |
206 | else | |
8a3fe4f8 | 207 | error (_("mi_cmd_var_set_format: Unknown display format: must be: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", or \"octal\"")); |
fb40c209 AC |
208 | |
209 | /* Set the format of VAR to given format */ | |
210 | varobj_set_display_format (var, format); | |
211 | ||
212 | /* Report the new current format */ | |
213 | ui_out_field_string (uiout, "format", varobj_format_string[(int) format]); | |
214 | return MI_CMD_DONE; | |
215 | } | |
216 | ||
217 | enum mi_cmd_result | |
218 | mi_cmd_var_show_format (char *command, char **argv, int argc) | |
219 | { | |
220 | enum varobj_display_formats format; | |
221 | struct varobj *var; | |
222 | ||
223 | if (argc != 1) | |
8a3fe4f8 | 224 | error (_("mi_cmd_var_show_format: Usage: NAME.")); |
fb40c209 AC |
225 | |
226 | /* Get varobj handle, if a valid var obj name was specified */ | |
227 | var = varobj_get_handle (argv[0]); | |
228 | if (var == NULL) | |
8a3fe4f8 | 229 | error (_("mi_cmd_var_show_format: Variable object not found")); |
fb40c209 AC |
230 | |
231 | format = varobj_get_display_format (var); | |
232 | ||
233 | /* Report the current format */ | |
234 | ui_out_field_string (uiout, "format", varobj_format_string[(int) format]); | |
235 | return MI_CMD_DONE; | |
236 | } | |
237 | ||
238 | enum mi_cmd_result | |
239 | mi_cmd_var_info_num_children (char *command, char **argv, int argc) | |
240 | { | |
241 | struct varobj *var; | |
242 | ||
243 | if (argc != 1) | |
8a3fe4f8 | 244 | error (_("mi_cmd_var_info_num_children: Usage: NAME.")); |
fb40c209 AC |
245 | |
246 | /* Get varobj handle, if a valid var obj name was specified */ | |
247 | var = varobj_get_handle (argv[0]); | |
248 | if (var == NULL) | |
8a3fe4f8 | 249 | error (_("mi_cmd_var_info_num_children: Variable object not found")); |
fb40c209 AC |
250 | |
251 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (var)); | |
252 | return MI_CMD_DONE; | |
253 | } | |
254 | ||
1ecb4ee0 DJ |
255 | /* Parse a string argument into a print_values value. */ |
256 | ||
257 | static enum print_values | |
258 | mi_parse_values_option (const char *arg) | |
259 | { | |
260 | if (strcmp (arg, "0") == 0 | |
261 | || strcmp (arg, mi_no_values) == 0) | |
262 | return PRINT_NO_VALUES; | |
263 | else if (strcmp (arg, "1") == 0 | |
264 | || strcmp (arg, mi_all_values) == 0) | |
265 | return PRINT_ALL_VALUES; | |
266 | else if (strcmp (arg, "2") == 0 | |
267 | || strcmp (arg, mi_simple_values) == 0) | |
268 | return PRINT_SIMPLE_VALUES; | |
269 | else | |
270 | error (_("Unknown value for PRINT_VALUES\n\ | |
271 | Must be: 0 or \"%s\", 1 or \"%s\", 2 or \"%s\""), | |
272 | mi_no_values, mi_simple_values, mi_all_values); | |
273 | } | |
274 | ||
275 | /* Return 1 if given the argument PRINT_VALUES we should display | |
276 | a value of type TYPE. */ | |
277 | ||
278 | static int | |
279 | mi_print_value_p (struct type *type, enum print_values print_values) | |
280 | { | |
281 | if (type != NULL) | |
282 | type = check_typedef (type); | |
283 | ||
284 | if (print_values == PRINT_NO_VALUES) | |
285 | return 0; | |
286 | ||
287 | if (print_values == PRINT_ALL_VALUES) | |
288 | return 1; | |
289 | ||
290 | /* For PRINT_SIMPLE_VALUES, only print the value if it has a type | |
291 | and that type is not a compound type. */ | |
292 | ||
293 | return (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
294 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
295 | && TYPE_CODE (type) != TYPE_CODE_UNION); | |
296 | } | |
297 | ||
fb40c209 AC |
298 | enum mi_cmd_result |
299 | mi_cmd_var_list_children (char *command, char **argv, int argc) | |
300 | { | |
301 | struct varobj *var; | |
302 | struct varobj **childlist; | |
303 | struct varobj **cc; | |
6ad4a2cf | 304 | struct cleanup *cleanup_children; |
fb40c209 AC |
305 | int numchild; |
306 | char *type; | |
c9e1f0fc | 307 | enum print_values print_values; |
fb40c209 | 308 | |
c9e1f0fc | 309 | if (argc != 1 && argc != 2) |
8a3fe4f8 | 310 | error (_("mi_cmd_var_list_children: Usage: [PRINT_VALUES] NAME")); |
fb40c209 AC |
311 | |
312 | /* Get varobj handle, if a valid var obj name was specified */ | |
1ecb4ee0 DJ |
313 | if (argc == 1) |
314 | var = varobj_get_handle (argv[0]); | |
315 | else | |
316 | var = varobj_get_handle (argv[1]); | |
fb40c209 | 317 | if (var == NULL) |
8a3fe4f8 | 318 | error (_("Variable object not found")); |
fb40c209 AC |
319 | |
320 | numchild = varobj_list_children (var, &childlist); | |
321 | ui_out_field_int (uiout, "numchild", numchild); | |
c9e1f0fc | 322 | if (argc == 2) |
1ecb4ee0 DJ |
323 | print_values = mi_parse_values_option (argv[0]); |
324 | else | |
325 | print_values = PRINT_NO_VALUES; | |
fb40c209 AC |
326 | |
327 | if (numchild <= 0) | |
328 | return MI_CMD_DONE; | |
329 | ||
e7494ffb AC |
330 | if (mi_version (uiout) == 1) |
331 | cleanup_children = make_cleanup_ui_out_tuple_begin_end (uiout, "children"); | |
332 | else | |
333 | cleanup_children = make_cleanup_ui_out_list_begin_end (uiout, "children"); | |
fb40c209 AC |
334 | cc = childlist; |
335 | while (*cc != NULL) | |
336 | { | |
6ad4a2cf JJ |
337 | struct cleanup *cleanup_child; |
338 | cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, "child"); | |
fb40c209 AC |
339 | ui_out_field_string (uiout, "name", varobj_get_objname (*cc)); |
340 | ui_out_field_string (uiout, "exp", varobj_get_expression (*cc)); | |
341 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (*cc)); | |
1ecb4ee0 | 342 | if (mi_print_value_p (varobj_get_gdb_type (*cc), print_values)) |
c9e1f0fc | 343 | ui_out_field_string (uiout, "value", varobj_get_value (*cc)); |
fb40c209 AC |
344 | type = varobj_get_type (*cc); |
345 | /* C++ pseudo-variables (public, private, protected) do not have a type */ | |
346 | if (type) | |
1ecb4ee0 | 347 | ui_out_field_string (uiout, "type", type); |
6ad4a2cf | 348 | do_cleanups (cleanup_child); |
fb40c209 AC |
349 | cc++; |
350 | } | |
6ad4a2cf | 351 | do_cleanups (cleanup_children); |
b8c9b27d | 352 | xfree (childlist); |
fb40c209 AC |
353 | return MI_CMD_DONE; |
354 | } | |
355 | ||
356 | enum mi_cmd_result | |
357 | mi_cmd_var_info_type (char *command, char **argv, int argc) | |
358 | { | |
359 | struct varobj *var; | |
360 | ||
361 | if (argc != 1) | |
8a3fe4f8 | 362 | error (_("mi_cmd_var_info_type: Usage: NAME.")); |
fb40c209 AC |
363 | |
364 | /* Get varobj handle, if a valid var obj name was specified */ | |
365 | var = varobj_get_handle (argv[0]); | |
366 | if (var == NULL) | |
8a3fe4f8 | 367 | error (_("mi_cmd_var_info_type: Variable object not found")); |
fb40c209 AC |
368 | |
369 | ui_out_field_string (uiout, "type", varobj_get_type (var)); | |
370 | return MI_CMD_DONE; | |
371 | } | |
372 | ||
373 | enum mi_cmd_result | |
374 | mi_cmd_var_info_expression (char *command, char **argv, int argc) | |
375 | { | |
376 | enum varobj_languages lang; | |
377 | struct varobj *var; | |
378 | ||
379 | if (argc != 1) | |
8a3fe4f8 | 380 | error (_("mi_cmd_var_info_expression: Usage: NAME.")); |
fb40c209 AC |
381 | |
382 | /* Get varobj handle, if a valid var obj name was specified */ | |
383 | var = varobj_get_handle (argv[0]); | |
384 | if (var == NULL) | |
8a3fe4f8 | 385 | error (_("mi_cmd_var_info_expression: Variable object not found")); |
fb40c209 AC |
386 | |
387 | lang = varobj_get_language (var); | |
388 | ||
389 | ui_out_field_string (uiout, "lang", varobj_language_string[(int) lang]); | |
390 | ui_out_field_string (uiout, "exp", varobj_get_expression (var)); | |
391 | return MI_CMD_DONE; | |
392 | } | |
393 | ||
394 | enum mi_cmd_result | |
395 | mi_cmd_var_show_attributes (char *command, char **argv, int argc) | |
396 | { | |
397 | int attr; | |
398 | char *attstr; | |
399 | struct varobj *var; | |
400 | ||
401 | if (argc != 1) | |
8a3fe4f8 | 402 | error (_("mi_cmd_var_show_attributes: Usage: NAME.")); |
fb40c209 AC |
403 | |
404 | /* Get varobj handle, if a valid var obj name was specified */ | |
405 | var = varobj_get_handle (argv[0]); | |
406 | if (var == NULL) | |
8a3fe4f8 | 407 | error (_("mi_cmd_var_show_attributes: Variable object not found")); |
fb40c209 AC |
408 | |
409 | attr = varobj_get_attributes (var); | |
410 | /* FIXME: define masks for attributes */ | |
411 | if (attr & 0x00000001) | |
412 | attstr = "editable"; | |
413 | else | |
414 | attstr = "noneditable"; | |
415 | ||
416 | ui_out_field_string (uiout, "attr", attstr); | |
417 | return MI_CMD_DONE; | |
418 | } | |
419 | ||
420 | enum mi_cmd_result | |
421 | mi_cmd_var_evaluate_expression (char *command, char **argv, int argc) | |
422 | { | |
423 | struct varobj *var; | |
424 | ||
425 | if (argc != 1) | |
8a3fe4f8 | 426 | error (_("mi_cmd_var_evaluate_expression: Usage: NAME.")); |
fb40c209 AC |
427 | |
428 | /* Get varobj handle, if a valid var obj name was specified */ | |
429 | var = varobj_get_handle (argv[0]); | |
430 | if (var == NULL) | |
8a3fe4f8 | 431 | error (_("mi_cmd_var_evaluate_expression: Variable object not found")); |
fb40c209 AC |
432 | |
433 | ui_out_field_string (uiout, "value", varobj_get_value (var)); | |
434 | return MI_CMD_DONE; | |
435 | } | |
436 | ||
437 | enum mi_cmd_result | |
438 | mi_cmd_var_assign (char *command, char **argv, int argc) | |
439 | { | |
440 | struct varobj *var; | |
441 | char *expression; | |
442 | ||
443 | if (argc != 2) | |
8a3fe4f8 | 444 | error (_("mi_cmd_var_assign: Usage: NAME EXPRESSION.")); |
fb40c209 AC |
445 | |
446 | /* Get varobj handle, if a valid var obj name was specified */ | |
447 | var = varobj_get_handle (argv[0]); | |
448 | if (var == NULL) | |
8a3fe4f8 | 449 | error (_("mi_cmd_var_assign: Variable object not found")); |
fb40c209 AC |
450 | |
451 | /* FIXME: define masks for attributes */ | |
452 | if (!(varobj_get_attributes (var) & 0x00000001)) | |
8a3fe4f8 | 453 | error (_("mi_cmd_var_assign: Variable object is not editable")); |
fb40c209 AC |
454 | |
455 | expression = xstrdup (argv[1]); | |
456 | ||
457 | if (!varobj_set_value (var, expression)) | |
8a3fe4f8 | 458 | error (_("mi_cmd_var_assign: Could not assign expression to varible object")); |
fb40c209 AC |
459 | |
460 | ui_out_field_string (uiout, "value", varobj_get_value (var)); | |
461 | return MI_CMD_DONE; | |
462 | } | |
463 | ||
464 | enum mi_cmd_result | |
465 | mi_cmd_var_update (char *command, char **argv, int argc) | |
466 | { | |
467 | struct varobj *var; | |
468 | struct varobj **rootlist; | |
469 | struct varobj **cr; | |
3a387118 | 470 | struct cleanup *cleanup; |
fb40c209 AC |
471 | char *name; |
472 | int nv; | |
1ecb4ee0 | 473 | enum print_values print_values; |
fb40c209 | 474 | |
1ecb4ee0 DJ |
475 | if (argc != 1 && argc != 2) |
476 | error (_("mi_cmd_var_update: Usage: [PRINT_VALUES] NAME.")); | |
477 | ||
478 | if (argc == 1) | |
479 | name = argv[0]; | |
480 | else | |
481 | name = (argv[1]); | |
fb40c209 | 482 | |
1ecb4ee0 DJ |
483 | if (argc == 2) |
484 | print_values = mi_parse_values_option (argv[0]); | |
485 | else | |
486 | print_values = PRINT_NO_VALUES; | |
fb40c209 AC |
487 | |
488 | /* Check if the parameter is a "*" which means that we want | |
489 | to update all variables */ | |
490 | ||
491 | if ((*name == '*') && (*(name + 1) == '\0')) | |
492 | { | |
493 | nv = varobj_list (&rootlist); | |
3a387118 JJ |
494 | if (mi_version (uiout) <= 1) |
495 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); | |
496 | else | |
497 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist"); | |
fb40c209 AC |
498 | if (nv <= 0) |
499 | { | |
3a387118 | 500 | do_cleanups (cleanup); |
fb40c209 AC |
501 | return MI_CMD_DONE; |
502 | } | |
503 | cr = rootlist; | |
504 | while (*cr != NULL) | |
505 | { | |
1ecb4ee0 | 506 | varobj_update_one (*cr, print_values); |
fb40c209 AC |
507 | cr++; |
508 | } | |
b8c9b27d | 509 | xfree (rootlist); |
3a387118 | 510 | do_cleanups (cleanup); |
fb40c209 AC |
511 | } |
512 | else | |
513 | { | |
514 | /* Get varobj handle, if a valid var obj name was specified */ | |
515 | var = varobj_get_handle (name); | |
516 | if (var == NULL) | |
8a3fe4f8 | 517 | error (_("mi_cmd_var_update: Variable object not found")); |
fb40c209 | 518 | |
3a387118 JJ |
519 | if (mi_version (uiout) <= 1) |
520 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); | |
521 | else | |
522 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist"); | |
1ecb4ee0 | 523 | varobj_update_one (var, print_values); |
3a387118 | 524 | do_cleanups (cleanup); |
fb40c209 | 525 | } |
73a93a32 | 526 | return MI_CMD_DONE; |
fb40c209 AC |
527 | } |
528 | ||
73a93a32 JI |
529 | /* Helper for mi_cmd_var_update() Returns 0 if the update for |
530 | the variable fails (usually because the variable is out of | |
531 | scope), and 1 if it succeeds. */ | |
fb40c209 | 532 | |
73a93a32 | 533 | static int |
1ecb4ee0 | 534 | varobj_update_one (struct varobj *var, enum print_values print_values) |
fb40c209 AC |
535 | { |
536 | struct varobj **changelist; | |
537 | struct varobj **cc; | |
3a387118 | 538 | struct cleanup *cleanup = NULL; |
fb40c209 AC |
539 | int nc; |
540 | ||
4309c8f2 | 541 | nc = varobj_update (&var, &changelist); |
fb40c209 | 542 | |
73a93a32 JI |
543 | /* nc == 0 means that nothing has changed. |
544 | nc == -1 means that an error occured in updating the variable. | |
545 | nc == -2 means the variable has changed type. */ | |
546 | ||
547 | if (nc == 0) | |
548 | return 1; | |
549 | else if (nc == -1) | |
fb40c209 | 550 | { |
3a387118 JJ |
551 | if (mi_version (uiout) > 1) |
552 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); | |
73a93a32 JI |
553 | ui_out_field_string (uiout, "name", varobj_get_objname(var)); |
554 | ui_out_field_string (uiout, "in_scope", "false"); | |
3a387118 JJ |
555 | if (mi_version (uiout) > 1) |
556 | do_cleanups (cleanup); | |
73a93a32 JI |
557 | return -1; |
558 | } | |
559 | else if (nc == -2) | |
560 | { | |
3a387118 JJ |
561 | if (mi_version (uiout) > 1) |
562 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); | |
73a93a32 JI |
563 | ui_out_field_string (uiout, "name", varobj_get_objname (var)); |
564 | ui_out_field_string (uiout, "in_scope", "true"); | |
565 | ui_out_field_string (uiout, "new_type", varobj_get_type(var)); | |
566 | ui_out_field_int (uiout, "new_num_children", | |
567 | varobj_get_num_children(var)); | |
3a387118 JJ |
568 | if (mi_version (uiout) > 1) |
569 | do_cleanups (cleanup); | |
73a93a32 JI |
570 | } |
571 | else | |
572 | { | |
573 | ||
574 | cc = changelist; | |
575 | while (*cc != NULL) | |
576 | { | |
3a387118 JJ |
577 | if (mi_version (uiout) > 1) |
578 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); | |
73a93a32 | 579 | ui_out_field_string (uiout, "name", varobj_get_objname (*cc)); |
1ecb4ee0 DJ |
580 | if (mi_print_value_p (varobj_get_gdb_type (*cc), print_values)) |
581 | ui_out_field_string (uiout, "value", varobj_get_value (*cc)); | |
73a93a32 JI |
582 | ui_out_field_string (uiout, "in_scope", "true"); |
583 | ui_out_field_string (uiout, "type_changed", "false"); | |
3a387118 JJ |
584 | if (mi_version (uiout) > 1) |
585 | do_cleanups (cleanup); | |
73a93a32 JI |
586 | cc++; |
587 | } | |
b8c9b27d | 588 | xfree (changelist); |
73a93a32 | 589 | return 1; |
fb40c209 | 590 | } |
73a93a32 | 591 | return 1; |
fb40c209 | 592 | } |