Commit | Line | Data |
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fb40c209 | 1 | /* MI Command Set - varobj commands. |
349c5d5f | 2 | |
6aba47ca | 3 | Copyright (C) 2000, 2002, 2004, 2005, 2007 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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
fb40c209 AC |
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 | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
fb40c209 AC |
21 | |
22 | #include "defs.h" | |
23 | #include "mi-cmds.h" | |
24 | #include "ui-out.h" | |
25 | #include "mi-out.h" | |
26 | #include "varobj.h" | |
27 | #include "value.h" | |
28 | #include <ctype.h> | |
5f8a3188 | 29 | #include "gdb_string.h" |
fb40c209 | 30 | |
1ecb4ee0 DJ |
31 | const char mi_no_values[] = "--no-values"; |
32 | const char mi_simple_values[] = "--simple-values"; | |
33 | const char mi_all_values[] = "--all-values"; | |
34 | ||
8756216b | 35 | extern int varobjdebug; /* defined in varobj.c. */ |
fb40c209 | 36 | |
8756216b | 37 | static void varobj_update_one (struct varobj *var, |
25d5ea92 VP |
38 | enum print_values print_values, |
39 | int explicit); | |
fb40c209 | 40 | |
a217f3f5 VP |
41 | static int mi_print_value_p (struct type *type, enum print_values print_values); |
42 | ||
43 | /* Print variable object VAR. The PRINT_VALUES parameter controls | |
44 | if the value should be printed. The PRINT_EXPRESSION parameter | |
45 | controls if the expression should be printed. */ | |
46 | static void | |
47 | print_varobj (struct varobj *var, enum print_values print_values, | |
48 | int print_expression) | |
49 | { | |
bccc275a | 50 | struct type *gdb_type; |
a217f3f5 VP |
51 | char *type; |
52 | ||
53 | ui_out_field_string (uiout, "name", varobj_get_objname (var)); | |
54 | if (print_expression) | |
55 | ui_out_field_string (uiout, "exp", varobj_get_expression (var)); | |
56 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (var)); | |
57 | ||
9265acad | 58 | if (mi_print_value_p (varobj_get_gdb_type (var), print_values)) |
a217f3f5 VP |
59 | ui_out_field_string (uiout, "value", varobj_get_value (var)); |
60 | ||
61 | type = varobj_get_type (var); | |
62 | if (type != NULL) | |
63 | { | |
64 | ui_out_field_string (uiout, "type", type); | |
65 | xfree (type); | |
66 | } | |
25d5ea92 VP |
67 | |
68 | if (varobj_get_frozen (var)) | |
69 | ui_out_field_int (uiout, "frozen", 1); | |
a217f3f5 VP |
70 | } |
71 | ||
fb40c209 AC |
72 | /* VAROBJ operations */ |
73 | ||
74 | enum mi_cmd_result | |
75 | mi_cmd_var_create (char *command, char **argv, int argc) | |
76 | { | |
73a93a32 | 77 | CORE_ADDR frameaddr = 0; |
fb40c209 AC |
78 | struct varobj *var; |
79 | char *name; | |
80 | char *frame; | |
81 | char *expr; | |
fb40c209 | 82 | struct cleanup *old_cleanups; |
73a93a32 | 83 | enum varobj_type var_type; |
fb40c209 AC |
84 | |
85 | if (argc != 3) | |
86 | { | |
c6902d46 AC |
87 | /* mi_error_message = xstrprintf ("mi_cmd_var_create: Usage: |
88 | ...."); return MI_CMD_ERROR; */ | |
8a3fe4f8 | 89 | error (_("mi_cmd_var_create: Usage: NAME FRAME EXPRESSION.")); |
fb40c209 AC |
90 | } |
91 | ||
92 | name = xstrdup (argv[0]); | |
93 | /* Add cleanup for name. Must be free_current_contents as | |
94 | name can be reallocated */ | |
47cf603e | 95 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
96 | |
97 | frame = xstrdup (argv[1]); | |
51b57b6b | 98 | make_cleanup (xfree, frame); |
fb40c209 AC |
99 | |
100 | expr = xstrdup (argv[2]); | |
51b57b6b | 101 | make_cleanup (xfree, expr); |
fb40c209 AC |
102 | |
103 | if (strcmp (name, "-") == 0) | |
104 | { | |
b8c9b27d | 105 | xfree (name); |
fb40c209 AC |
106 | name = varobj_gen_name (); |
107 | } | |
108 | else if (!isalpha (*name)) | |
8a3fe4f8 | 109 | error (_("mi_cmd_var_create: name of object must begin with a letter")); |
fb40c209 AC |
110 | |
111 | if (strcmp (frame, "*") == 0) | |
73a93a32 JI |
112 | var_type = USE_CURRENT_FRAME; |
113 | else if (strcmp (frame, "@") == 0) | |
114 | var_type = USE_SELECTED_FRAME; | |
fb40c209 | 115 | else |
73a93a32 JI |
116 | { |
117 | var_type = USE_SPECIFIED_FRAME; | |
1bd34ded | 118 | frameaddr = string_to_core_addr (frame); |
73a93a32 | 119 | } |
fb40c209 AC |
120 | |
121 | if (varobjdebug) | |
122 | fprintf_unfiltered (gdb_stdlog, | |
123 | "Name=\"%s\", Frame=\"%s\" (0x%s), Expression=\"%s\"\n", | |
124 | name, frame, paddr (frameaddr), expr); | |
125 | ||
73a93a32 | 126 | var = varobj_create (name, expr, frameaddr, var_type); |
fb40c209 AC |
127 | |
128 | if (var == NULL) | |
8a3fe4f8 | 129 | error (_("mi_cmd_var_create: unable to create variable object")); |
fb40c209 | 130 | |
224e4ca7 | 131 | print_varobj (var, PRINT_ALL_VALUES, 0 /* don't print expression */); |
fb40c209 AC |
132 | |
133 | do_cleanups (old_cleanups); | |
134 | return MI_CMD_DONE; | |
135 | } | |
136 | ||
137 | enum mi_cmd_result | |
138 | mi_cmd_var_delete (char *command, char **argv, int argc) | |
139 | { | |
140 | char *name; | |
fb40c209 AC |
141 | struct varobj *var; |
142 | int numdel; | |
143 | int children_only_p = 0; | |
144 | struct cleanup *old_cleanups; | |
145 | ||
146 | if (argc < 1 || argc > 2) | |
8a3fe4f8 | 147 | error (_("mi_cmd_var_delete: Usage: [-c] EXPRESSION.")); |
fb40c209 AC |
148 | |
149 | name = xstrdup (argv[0]); | |
150 | /* Add cleanup for name. Must be free_current_contents as | |
151 | name can be reallocated */ | |
47cf603e | 152 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
153 | |
154 | /* If we have one single argument it cannot be '-c' or any string | |
155 | starting with '-'. */ | |
156 | if (argc == 1) | |
157 | { | |
158 | if (strcmp (name, "-c") == 0) | |
8a3fe4f8 | 159 | error (_("mi_cmd_var_delete: Missing required argument after '-c': variable object name")); |
fb40c209 | 160 | if (*name == '-') |
8a3fe4f8 | 161 | error (_("mi_cmd_var_delete: Illegal variable object name")); |
fb40c209 AC |
162 | } |
163 | ||
164 | /* If we have 2 arguments they must be '-c' followed by a string | |
165 | which would be the variable name. */ | |
166 | if (argc == 2) | |
167 | { | |
fb40c209 | 168 | if (strcmp (name, "-c") != 0) |
8a3fe4f8 | 169 | error (_("mi_cmd_var_delete: Invalid option.")); |
fb40c209 | 170 | children_only_p = 1; |
474d0d0c MS |
171 | do_cleanups (old_cleanups); |
172 | name = xstrdup (argv[1]); | |
173 | make_cleanup (free_current_contents, &name); | |
fb40c209 AC |
174 | } |
175 | ||
176 | /* If we didn't error out, now NAME contains the name of the | |
177 | variable. */ | |
178 | ||
179 | var = varobj_get_handle (name); | |
180 | ||
181 | if (var == NULL) | |
8a3fe4f8 | 182 | error (_("mi_cmd_var_delete: Variable object not found.")); |
fb40c209 AC |
183 | |
184 | numdel = varobj_delete (var, NULL, children_only_p); | |
185 | ||
186 | ui_out_field_int (uiout, "ndeleted", numdel); | |
187 | ||
188 | do_cleanups (old_cleanups); | |
189 | return MI_CMD_DONE; | |
190 | } | |
191 | ||
192 | enum mi_cmd_result | |
193 | mi_cmd_var_set_format (char *command, char **argv, int argc) | |
194 | { | |
195 | enum varobj_display_formats format; | |
196 | int len; | |
197 | struct varobj *var; | |
198 | char *formspec; | |
199 | ||
200 | if (argc != 2) | |
8a3fe4f8 | 201 | error (_("mi_cmd_var_set_format: Usage: NAME FORMAT.")); |
fb40c209 AC |
202 | |
203 | /* Get varobj handle, if a valid var obj name was specified */ | |
204 | var = varobj_get_handle (argv[0]); | |
205 | ||
206 | if (var == NULL) | |
8a3fe4f8 | 207 | error (_("mi_cmd_var_set_format: Variable object not found")); |
fb40c209 | 208 | |
b538c234 | 209 | formspec = argv[1]; |
fb40c209 | 210 | if (formspec == NULL) |
8a3fe4f8 | 211 | error (_("mi_cmd_var_set_format: Must specify the format as: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", or \"octal\"")); |
fb40c209 AC |
212 | |
213 | len = strlen (formspec); | |
214 | ||
bf896cb0 | 215 | if (strncmp (formspec, "natural", len) == 0) |
fb40c209 | 216 | format = FORMAT_NATURAL; |
bf896cb0 | 217 | else if (strncmp (formspec, "binary", len) == 0) |
fb40c209 | 218 | format = FORMAT_BINARY; |
bf896cb0 | 219 | else if (strncmp (formspec, "decimal", len) == 0) |
fb40c209 | 220 | format = FORMAT_DECIMAL; |
bf896cb0 | 221 | else if (strncmp (formspec, "hexadecimal", len) == 0) |
fb40c209 | 222 | format = FORMAT_HEXADECIMAL; |
bf896cb0 | 223 | else if (strncmp (formspec, "octal", len) == 0) |
fb40c209 AC |
224 | format = FORMAT_OCTAL; |
225 | else | |
8a3fe4f8 | 226 | error (_("mi_cmd_var_set_format: Unknown display format: must be: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", or \"octal\"")); |
fb40c209 AC |
227 | |
228 | /* Set the format of VAR to given format */ | |
229 | varobj_set_display_format (var, format); | |
230 | ||
231 | /* Report the new current format */ | |
232 | ui_out_field_string (uiout, "format", varobj_format_string[(int) format]); | |
233 | return MI_CMD_DONE; | |
234 | } | |
235 | ||
25d5ea92 VP |
236 | enum mi_cmd_result |
237 | mi_cmd_var_set_frozen (char *command, char **argv, int argc) | |
238 | { | |
239 | struct varobj *var; | |
240 | int frozen; | |
241 | ||
242 | if (argc != 2) | |
243 | error (_("-var-set-format: Usage: NAME FROZEN_FLAG.")); | |
244 | ||
245 | var = varobj_get_handle (argv[0]); | |
246 | if (var == NULL) | |
247 | error (_("Variable object not found")); | |
248 | ||
249 | if (strcmp (argv[1], "0") == 0) | |
250 | frozen = 0; | |
251 | else if (strcmp (argv[1], "1") == 0) | |
252 | frozen = 1; | |
253 | else | |
254 | error (_("Invalid flag value")); | |
255 | ||
256 | varobj_set_frozen (var, frozen); | |
257 | ||
258 | /* We don't automatically return the new value, or what varobjs got new | |
259 | values during unfreezing. If this information is required, client | |
260 | should call -var-update explicitly. */ | |
261 | return MI_CMD_DONE; | |
262 | } | |
263 | ||
264 | ||
fb40c209 AC |
265 | enum mi_cmd_result |
266 | mi_cmd_var_show_format (char *command, char **argv, int argc) | |
267 | { | |
268 | enum varobj_display_formats format; | |
269 | struct varobj *var; | |
270 | ||
271 | if (argc != 1) | |
8a3fe4f8 | 272 | error (_("mi_cmd_var_show_format: Usage: NAME.")); |
fb40c209 AC |
273 | |
274 | /* Get varobj handle, if a valid var obj name was specified */ | |
275 | var = varobj_get_handle (argv[0]); | |
276 | if (var == NULL) | |
8a3fe4f8 | 277 | error (_("mi_cmd_var_show_format: Variable object not found")); |
fb40c209 AC |
278 | |
279 | format = varobj_get_display_format (var); | |
280 | ||
281 | /* Report the current format */ | |
282 | ui_out_field_string (uiout, "format", varobj_format_string[(int) format]); | |
283 | return MI_CMD_DONE; | |
284 | } | |
285 | ||
286 | enum mi_cmd_result | |
287 | mi_cmd_var_info_num_children (char *command, char **argv, int argc) | |
288 | { | |
289 | struct varobj *var; | |
290 | ||
291 | if (argc != 1) | |
8a3fe4f8 | 292 | error (_("mi_cmd_var_info_num_children: Usage: NAME.")); |
fb40c209 AC |
293 | |
294 | /* Get varobj handle, if a valid var obj name was specified */ | |
295 | var = varobj_get_handle (argv[0]); | |
296 | if (var == NULL) | |
8a3fe4f8 | 297 | error (_("mi_cmd_var_info_num_children: Variable object not found")); |
fb40c209 AC |
298 | |
299 | ui_out_field_int (uiout, "numchild", varobj_get_num_children (var)); | |
300 | return MI_CMD_DONE; | |
301 | } | |
302 | ||
1ecb4ee0 DJ |
303 | /* Parse a string argument into a print_values value. */ |
304 | ||
305 | static enum print_values | |
306 | mi_parse_values_option (const char *arg) | |
307 | { | |
308 | if (strcmp (arg, "0") == 0 | |
309 | || strcmp (arg, mi_no_values) == 0) | |
310 | return PRINT_NO_VALUES; | |
311 | else if (strcmp (arg, "1") == 0 | |
312 | || strcmp (arg, mi_all_values) == 0) | |
313 | return PRINT_ALL_VALUES; | |
314 | else if (strcmp (arg, "2") == 0 | |
315 | || strcmp (arg, mi_simple_values) == 0) | |
316 | return PRINT_SIMPLE_VALUES; | |
317 | else | |
318 | error (_("Unknown value for PRINT_VALUES\n\ | |
319 | Must be: 0 or \"%s\", 1 or \"%s\", 2 or \"%s\""), | |
320 | mi_no_values, mi_simple_values, mi_all_values); | |
321 | } | |
322 | ||
323 | /* Return 1 if given the argument PRINT_VALUES we should display | |
324 | a value of type TYPE. */ | |
325 | ||
326 | static int | |
327 | mi_print_value_p (struct type *type, enum print_values print_values) | |
328 | { | |
1ecb4ee0 DJ |
329 | |
330 | if (print_values == PRINT_NO_VALUES) | |
331 | return 0; | |
332 | ||
333 | if (print_values == PRINT_ALL_VALUES) | |
334 | return 1; | |
335 | ||
9265acad NR |
336 | if (type == NULL) |
337 | return 1; | |
338 | else | |
339 | { | |
340 | type = check_typedef (type); | |
1ecb4ee0 | 341 | |
9265acad NR |
342 | /* For PRINT_SIMPLE_VALUES, only print the value if it has a type |
343 | and that type is not a compound type. */ | |
344 | return (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
345 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
346 | && TYPE_CODE (type) != TYPE_CODE_UNION); | |
347 | } | |
1ecb4ee0 DJ |
348 | } |
349 | ||
fb40c209 AC |
350 | enum mi_cmd_result |
351 | mi_cmd_var_list_children (char *command, char **argv, int argc) | |
352 | { | |
353 | struct varobj *var; | |
354 | struct varobj **childlist; | |
355 | struct varobj **cc; | |
6ad4a2cf | 356 | struct cleanup *cleanup_children; |
fb40c209 | 357 | int numchild; |
c9e1f0fc | 358 | enum print_values print_values; |
fb40c209 | 359 | |
c9e1f0fc | 360 | if (argc != 1 && argc != 2) |
8a3fe4f8 | 361 | error (_("mi_cmd_var_list_children: Usage: [PRINT_VALUES] NAME")); |
fb40c209 AC |
362 | |
363 | /* Get varobj handle, if a valid var obj name was specified */ | |
1ecb4ee0 DJ |
364 | if (argc == 1) |
365 | var = varobj_get_handle (argv[0]); | |
366 | else | |
367 | var = varobj_get_handle (argv[1]); | |
fb40c209 | 368 | if (var == NULL) |
8a3fe4f8 | 369 | error (_("Variable object not found")); |
fb40c209 AC |
370 | |
371 | numchild = varobj_list_children (var, &childlist); | |
372 | ui_out_field_int (uiout, "numchild", numchild); | |
c9e1f0fc | 373 | if (argc == 2) |
1ecb4ee0 DJ |
374 | print_values = mi_parse_values_option (argv[0]); |
375 | else | |
376 | print_values = PRINT_NO_VALUES; | |
fb40c209 AC |
377 | |
378 | if (numchild <= 0) | |
76bd6e0b MS |
379 | { |
380 | xfree (childlist); | |
381 | return MI_CMD_DONE; | |
382 | } | |
fb40c209 | 383 | |
e7494ffb AC |
384 | if (mi_version (uiout) == 1) |
385 | cleanup_children = make_cleanup_ui_out_tuple_begin_end (uiout, "children"); | |
386 | else | |
387 | cleanup_children = make_cleanup_ui_out_list_begin_end (uiout, "children"); | |
fb40c209 AC |
388 | cc = childlist; |
389 | while (*cc != NULL) | |
390 | { | |
6ad4a2cf JJ |
391 | struct cleanup *cleanup_child; |
392 | cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, "child"); | |
a217f3f5 | 393 | print_varobj (*cc, print_values, 1 /* print expression */); |
fb40c209 | 394 | cc++; |
a217f3f5 | 395 | do_cleanups (cleanup_child); |
fb40c209 | 396 | } |
6ad4a2cf | 397 | do_cleanups (cleanup_children); |
b8c9b27d | 398 | xfree (childlist); |
fb40c209 AC |
399 | return MI_CMD_DONE; |
400 | } | |
401 | ||
402 | enum mi_cmd_result | |
403 | mi_cmd_var_info_type (char *command, char **argv, int argc) | |
404 | { | |
405 | struct varobj *var; | |
406 | ||
407 | if (argc != 1) | |
8a3fe4f8 | 408 | error (_("mi_cmd_var_info_type: Usage: NAME.")); |
fb40c209 AC |
409 | |
410 | /* Get varobj handle, if a valid var obj name was specified */ | |
411 | var = varobj_get_handle (argv[0]); | |
412 | if (var == NULL) | |
8a3fe4f8 | 413 | error (_("mi_cmd_var_info_type: Variable object not found")); |
fb40c209 AC |
414 | |
415 | ui_out_field_string (uiout, "type", varobj_get_type (var)); | |
416 | return MI_CMD_DONE; | |
417 | } | |
418 | ||
02142340 VP |
419 | enum mi_cmd_result |
420 | mi_cmd_var_info_path_expression (char *command, char **argv, int argc) | |
421 | { | |
422 | struct varobj *var; | |
423 | char *path_expr; | |
424 | ||
425 | if (argc != 1) | |
426 | error (_("Usage: NAME.")); | |
427 | ||
428 | /* Get varobj handle, if a valid var obj name was specified. */ | |
429 | var = varobj_get_handle (argv[0]); | |
430 | if (var == NULL) | |
431 | error (_("Variable object not found")); | |
432 | ||
433 | path_expr = varobj_get_path_expr (var); | |
434 | ||
435 | ui_out_field_string (uiout, "path_expr", path_expr); | |
436 | ||
437 | return MI_CMD_DONE; | |
438 | } | |
439 | ||
fb40c209 AC |
440 | enum mi_cmd_result |
441 | mi_cmd_var_info_expression (char *command, char **argv, int argc) | |
442 | { | |
443 | enum varobj_languages lang; | |
444 | struct varobj *var; | |
445 | ||
446 | if (argc != 1) | |
8a3fe4f8 | 447 | error (_("mi_cmd_var_info_expression: Usage: NAME.")); |
fb40c209 AC |
448 | |
449 | /* Get varobj handle, if a valid var obj name was specified */ | |
450 | var = varobj_get_handle (argv[0]); | |
451 | if (var == NULL) | |
8a3fe4f8 | 452 | error (_("mi_cmd_var_info_expression: Variable object not found")); |
fb40c209 AC |
453 | |
454 | lang = varobj_get_language (var); | |
455 | ||
456 | ui_out_field_string (uiout, "lang", varobj_language_string[(int) lang]); | |
457 | ui_out_field_string (uiout, "exp", varobj_get_expression (var)); | |
458 | return MI_CMD_DONE; | |
459 | } | |
460 | ||
461 | enum mi_cmd_result | |
462 | mi_cmd_var_show_attributes (char *command, char **argv, int argc) | |
463 | { | |
464 | int attr; | |
465 | char *attstr; | |
466 | struct varobj *var; | |
467 | ||
468 | if (argc != 1) | |
8a3fe4f8 | 469 | error (_("mi_cmd_var_show_attributes: Usage: NAME.")); |
fb40c209 AC |
470 | |
471 | /* Get varobj handle, if a valid var obj name was specified */ | |
472 | var = varobj_get_handle (argv[0]); | |
473 | if (var == NULL) | |
8a3fe4f8 | 474 | error (_("mi_cmd_var_show_attributes: Variable object not found")); |
fb40c209 AC |
475 | |
476 | attr = varobj_get_attributes (var); | |
477 | /* FIXME: define masks for attributes */ | |
478 | if (attr & 0x00000001) | |
479 | attstr = "editable"; | |
480 | else | |
481 | attstr = "noneditable"; | |
482 | ||
483 | ui_out_field_string (uiout, "attr", attstr); | |
484 | return MI_CMD_DONE; | |
485 | } | |
486 | ||
487 | enum mi_cmd_result | |
488 | mi_cmd_var_evaluate_expression (char *command, char **argv, int argc) | |
489 | { | |
490 | struct varobj *var; | |
491 | ||
492 | if (argc != 1) | |
8a3fe4f8 | 493 | error (_("mi_cmd_var_evaluate_expression: Usage: NAME.")); |
fb40c209 AC |
494 | |
495 | /* Get varobj handle, if a valid var obj name was specified */ | |
496 | var = varobj_get_handle (argv[0]); | |
497 | if (var == NULL) | |
8a3fe4f8 | 498 | error (_("mi_cmd_var_evaluate_expression: Variable object not found")); |
fb40c209 AC |
499 | |
500 | ui_out_field_string (uiout, "value", varobj_get_value (var)); | |
501 | return MI_CMD_DONE; | |
502 | } | |
503 | ||
504 | enum mi_cmd_result | |
505 | mi_cmd_var_assign (char *command, char **argv, int argc) | |
506 | { | |
507 | struct varobj *var; | |
508 | char *expression; | |
509 | ||
510 | if (argc != 2) | |
8a3fe4f8 | 511 | error (_("mi_cmd_var_assign: Usage: NAME EXPRESSION.")); |
fb40c209 AC |
512 | |
513 | /* Get varobj handle, if a valid var obj name was specified */ | |
514 | var = varobj_get_handle (argv[0]); | |
515 | if (var == NULL) | |
8a3fe4f8 | 516 | error (_("mi_cmd_var_assign: Variable object not found")); |
fb40c209 | 517 | |
d2562500 | 518 | if (!varobj_editable_p (var)) |
8a3fe4f8 | 519 | error (_("mi_cmd_var_assign: Variable object is not editable")); |
fb40c209 AC |
520 | |
521 | expression = xstrdup (argv[1]); | |
522 | ||
523 | if (!varobj_set_value (var, expression)) | |
98a29c7e | 524 | error (_("mi_cmd_var_assign: Could not assign expression to variable object")); |
fb40c209 AC |
525 | |
526 | ui_out_field_string (uiout, "value", varobj_get_value (var)); | |
527 | return MI_CMD_DONE; | |
528 | } | |
529 | ||
530 | enum mi_cmd_result | |
531 | mi_cmd_var_update (char *command, char **argv, int argc) | |
532 | { | |
533 | struct varobj *var; | |
534 | struct varobj **rootlist; | |
535 | struct varobj **cr; | |
3a387118 | 536 | struct cleanup *cleanup; |
fb40c209 AC |
537 | char *name; |
538 | int nv; | |
1ecb4ee0 | 539 | enum print_values print_values; |
fb40c209 | 540 | |
1ecb4ee0 DJ |
541 | if (argc != 1 && argc != 2) |
542 | error (_("mi_cmd_var_update: Usage: [PRINT_VALUES] NAME.")); | |
543 | ||
544 | if (argc == 1) | |
545 | name = argv[0]; | |
546 | else | |
547 | name = (argv[1]); | |
fb40c209 | 548 | |
1ecb4ee0 DJ |
549 | if (argc == 2) |
550 | print_values = mi_parse_values_option (argv[0]); | |
551 | else | |
552 | print_values = PRINT_NO_VALUES; | |
fb40c209 AC |
553 | |
554 | /* Check if the parameter is a "*" which means that we want | |
555 | to update all variables */ | |
556 | ||
557 | if ((*name == '*') && (*(name + 1) == '\0')) | |
558 | { | |
559 | nv = varobj_list (&rootlist); | |
db9a518b | 560 | cleanup = make_cleanup (xfree, rootlist); |
3a387118 | 561 | if (mi_version (uiout) <= 1) |
db9a518b | 562 | make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); |
3a387118 | 563 | else |
db9a518b | 564 | make_cleanup_ui_out_list_begin_end (uiout, "changelist"); |
fb40c209 AC |
565 | if (nv <= 0) |
566 | { | |
3a387118 | 567 | do_cleanups (cleanup); |
fb40c209 AC |
568 | return MI_CMD_DONE; |
569 | } | |
570 | cr = rootlist; | |
571 | while (*cr != NULL) | |
572 | { | |
25d5ea92 | 573 | varobj_update_one (*cr, print_values, 0 /* implicit */); |
fb40c209 AC |
574 | cr++; |
575 | } | |
3a387118 | 576 | do_cleanups (cleanup); |
fb40c209 AC |
577 | } |
578 | else | |
579 | { | |
580 | /* Get varobj handle, if a valid var obj name was specified */ | |
581 | var = varobj_get_handle (name); | |
582 | if (var == NULL) | |
8a3fe4f8 | 583 | error (_("mi_cmd_var_update: Variable object not found")); |
fb40c209 | 584 | |
3a387118 JJ |
585 | if (mi_version (uiout) <= 1) |
586 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); | |
587 | else | |
588 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist"); | |
25d5ea92 | 589 | varobj_update_one (var, print_values, 1 /* explicit */); |
3a387118 | 590 | do_cleanups (cleanup); |
fb40c209 | 591 | } |
73a93a32 | 592 | return MI_CMD_DONE; |
fb40c209 AC |
593 | } |
594 | ||
8756216b | 595 | /* Helper for mi_cmd_var_update(). */ |
fb40c209 | 596 | |
8756216b | 597 | static void |
25d5ea92 VP |
598 | varobj_update_one (struct varobj *var, enum print_values print_values, |
599 | int explicit) | |
fb40c209 AC |
600 | { |
601 | struct varobj **changelist; | |
602 | struct varobj **cc; | |
3a387118 | 603 | struct cleanup *cleanup = NULL; |
fb40c209 AC |
604 | int nc; |
605 | ||
25d5ea92 | 606 | nc = varobj_update (&var, &changelist, explicit); |
fb40c209 | 607 | |
8756216b DP |
608 | /* nc >= 0 represents the number of changes reported into changelist. |
609 | nc < 0 means that an error occured or the the variable has | |
610 | changed type (TYPE_CHANGED). */ | |
73a93a32 JI |
611 | |
612 | if (nc == 0) | |
8756216b DP |
613 | return; |
614 | else if (nc < 0) | |
fb40c209 | 615 | { |
3a387118 JJ |
616 | if (mi_version (uiout) > 1) |
617 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); | |
73a93a32 | 618 | ui_out_field_string (uiout, "name", varobj_get_objname(var)); |
8756216b DP |
619 | |
620 | switch (nc) | |
621 | { | |
622 | case NOT_IN_SCOPE: | |
8756216b DP |
623 | ui_out_field_string (uiout, "in_scope", "false"); |
624 | break; | |
625 | case INVALID: | |
626 | ui_out_field_string (uiout, "in_scope", "invalid"); | |
627 | break; | |
628 | case TYPE_CHANGED: | |
629 | ui_out_field_string (uiout, "in_scope", "true"); | |
630 | ui_out_field_string (uiout, "new_type", varobj_get_type(var)); | |
631 | ui_out_field_int (uiout, "new_num_children", | |
632 | varobj_get_num_children(var)); | |
633 | break; | |
634 | } | |
3a387118 JJ |
635 | if (mi_version (uiout) > 1) |
636 | do_cleanups (cleanup); | |
73a93a32 JI |
637 | } |
638 | else | |
639 | { | |
73a93a32 JI |
640 | cc = changelist; |
641 | while (*cc != NULL) | |
642 | { | |
3a387118 JJ |
643 | if (mi_version (uiout) > 1) |
644 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); | |
73a93a32 | 645 | ui_out_field_string (uiout, "name", varobj_get_objname (*cc)); |
1ecb4ee0 DJ |
646 | if (mi_print_value_p (varobj_get_gdb_type (*cc), print_values)) |
647 | ui_out_field_string (uiout, "value", varobj_get_value (*cc)); | |
73a93a32 JI |
648 | ui_out_field_string (uiout, "in_scope", "true"); |
649 | ui_out_field_string (uiout, "type_changed", "false"); | |
3a387118 JJ |
650 | if (mi_version (uiout) > 1) |
651 | do_cleanups (cleanup); | |
73a93a32 JI |
652 | cc++; |
653 | } | |
b8c9b27d | 654 | xfree (changelist); |
fb40c209 | 655 | } |
fb40c209 | 656 | } |