Commit | Line | Data |
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fb40c209 | 1 | /* MI Command Set - varobj commands. |
61baf725 | 2 | Copyright (C) 2000-2017 Free Software Foundation, Inc. |
349c5d5f | 3 | |
ab91fdd5 | 4 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
fb40c209 AC |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
fb40c209 AC |
20 | |
21 | #include "defs.h" | |
22 | #include "mi-cmds.h" | |
8de0566d | 23 | #include "mi-main.h" |
fb40c209 AC |
24 | #include "ui-out.h" |
25 | #include "mi-out.h" | |
26 | #include "varobj.h" | |
fa4d0c40 | 27 | #include "language.h" |
fb40c209 AC |
28 | #include "value.h" |
29 | #include <ctype.h> | |
de051565 | 30 | #include "mi-getopt.h" |
dbba8251 | 31 | #include "gdbthread.h" |
87967e27 | 32 | #include "mi-parse.h" |
0092b74d | 33 | #include "common/gdb_optional.h" |
1ecb4ee0 | 34 | |
ccce17b0 | 35 | extern unsigned int varobjdebug; /* defined in varobj.c. */ |
fb40c209 | 36 | |
8756216b | 37 | static void varobj_update_one (struct varobj *var, |
2b03b41d | 38 | enum print_values print_values, |
fe978cb0 | 39 | int is_explicit); |
fb40c209 | 40 | |
9a2b4c1b MS |
41 | static int mi_print_value_p (struct varobj *var, |
42 | enum print_values print_values); | |
a217f3f5 VP |
43 | |
44 | /* Print variable object VAR. The PRINT_VALUES parameter controls | |
45 | if the value should be printed. The PRINT_EXPRESSION parameter | |
46 | controls if the expression should be printed. */ | |
2b03b41d | 47 | |
a217f3f5 VP |
48 | static void |
49 | print_varobj (struct varobj *var, enum print_values print_values, | |
50 | int print_expression) | |
51 | { | |
79a45e25 | 52 | struct ui_out *uiout = current_uiout; |
c5b48eac | 53 | int thread_id; |
a217f3f5 | 54 | |
112e8700 | 55 | uiout->field_string ("name", varobj_get_objname (var)); |
a217f3f5 | 56 | if (print_expression) |
ca83fa81 | 57 | { |
2f408ecb | 58 | std::string exp = varobj_get_expression (var); |
ca83fa81 | 59 | |
112e8700 | 60 | uiout->field_string ("exp", exp.c_str ()); |
ca83fa81 | 61 | } |
112e8700 | 62 | uiout->field_int ("numchild", varobj_get_num_children (var)); |
a217f3f5 | 63 | |
0cc7d26f TT |
64 | if (mi_print_value_p (var, print_values)) |
65 | { | |
2f408ecb | 66 | std::string val = varobj_get_value (var); |
102040f0 | 67 | |
112e8700 | 68 | uiout->field_string ("value", val.c_str ()); |
0cc7d26f | 69 | } |
a217f3f5 | 70 | |
2f408ecb PA |
71 | std::string type = varobj_get_type (var); |
72 | if (!type.empty ()) | |
112e8700 | 73 | uiout->field_string ("type", type.c_str ()); |
25d5ea92 | 74 | |
c5b48eac VP |
75 | thread_id = varobj_get_thread_id (var); |
76 | if (thread_id > 0) | |
112e8700 | 77 | uiout->field_int ("thread-id", thread_id); |
c5b48eac | 78 | |
25d5ea92 | 79 | if (varobj_get_frozen (var)) |
112e8700 | 80 | uiout->field_int ("frozen", 1); |
0cc7d26f | 81 | |
9b972014 | 82 | gdb::unique_xmalloc_ptr<char> display_hint = varobj_get_display_hint (var); |
0cc7d26f | 83 | if (display_hint) |
112e8700 | 84 | uiout->field_string ("displayhint", display_hint.get ()); |
0cc7d26f | 85 | |
cde5ef40 | 86 | if (varobj_is_dynamic_p (var)) |
112e8700 | 87 | uiout->field_int ("dynamic", 1); |
a217f3f5 VP |
88 | } |
89 | ||
fb40c209 AC |
90 | /* VAROBJ operations */ |
91 | ||
ce8f13f8 | 92 | void |
9f33b8b7 | 93 | mi_cmd_var_create (const char *command, char **argv, int argc) |
fb40c209 | 94 | { |
79a45e25 | 95 | struct ui_out *uiout = current_uiout; |
73a93a32 | 96 | CORE_ADDR frameaddr = 0; |
fb40c209 AC |
97 | struct varobj *var; |
98 | char *name; | |
99 | char *frame; | |
100 | char *expr; | |
fb40c209 | 101 | struct cleanup *old_cleanups; |
73a93a32 | 102 | enum varobj_type var_type; |
fb40c209 AC |
103 | |
104 | if (argc != 3) | |
2b03b41d | 105 | error (_("-var-create: Usage: NAME FRAME EXPRESSION.")); |
fb40c209 AC |
106 | |
107 | name = xstrdup (argv[0]); | |
2b03b41d SS |
108 | /* Add cleanup for name. Must be free_current_contents as name can |
109 | be reallocated. */ | |
47cf603e | 110 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
111 | |
112 | frame = xstrdup (argv[1]); | |
51b57b6b | 113 | make_cleanup (xfree, frame); |
fb40c209 AC |
114 | |
115 | expr = xstrdup (argv[2]); | |
51b57b6b | 116 | make_cleanup (xfree, expr); |
fb40c209 AC |
117 | |
118 | if (strcmp (name, "-") == 0) | |
119 | { | |
b8c9b27d | 120 | xfree (name); |
fb40c209 AC |
121 | name = varobj_gen_name (); |
122 | } | |
123 | else if (!isalpha (*name)) | |
1b05df00 | 124 | error (_("-var-create: name of object must begin with a letter")); |
fb40c209 AC |
125 | |
126 | if (strcmp (frame, "*") == 0) | |
73a93a32 JI |
127 | var_type = USE_CURRENT_FRAME; |
128 | else if (strcmp (frame, "@") == 0) | |
129 | var_type = USE_SELECTED_FRAME; | |
fb40c209 | 130 | else |
73a93a32 JI |
131 | { |
132 | var_type = USE_SPECIFIED_FRAME; | |
1bd34ded | 133 | frameaddr = string_to_core_addr (frame); |
73a93a32 | 134 | } |
fb40c209 AC |
135 | |
136 | if (varobjdebug) | |
137 | fprintf_unfiltered (gdb_stdlog, | |
5af949e3 UW |
138 | "Name=\"%s\", Frame=\"%s\" (%s), Expression=\"%s\"\n", |
139 | name, frame, hex_string (frameaddr), expr); | |
fb40c209 | 140 | |
73a93a32 | 141 | var = varobj_create (name, expr, frameaddr, var_type); |
fb40c209 AC |
142 | |
143 | if (var == NULL) | |
1b05df00 | 144 | error (_("-var-create: unable to create variable object")); |
fb40c209 | 145 | |
224e4ca7 | 146 | print_varobj (var, PRINT_ALL_VALUES, 0 /* don't print expression */); |
fb40c209 | 147 | |
112e8700 | 148 | uiout->field_int ("has_more", varobj_has_more (var, 0)); |
0cc7d26f | 149 | |
fb40c209 | 150 | do_cleanups (old_cleanups); |
fb40c209 AC |
151 | } |
152 | ||
ce8f13f8 | 153 | void |
9f33b8b7 | 154 | mi_cmd_var_delete (const char *command, char **argv, int argc) |
fb40c209 AC |
155 | { |
156 | char *name; | |
fb40c209 AC |
157 | struct varobj *var; |
158 | int numdel; | |
159 | int children_only_p = 0; | |
160 | struct cleanup *old_cleanups; | |
79a45e25 | 161 | struct ui_out *uiout = current_uiout; |
fb40c209 AC |
162 | |
163 | if (argc < 1 || argc > 2) | |
1b05df00 | 164 | error (_("-var-delete: Usage: [-c] EXPRESSION.")); |
fb40c209 AC |
165 | |
166 | name = xstrdup (argv[0]); | |
2b03b41d SS |
167 | /* Add cleanup for name. Must be free_current_contents as name can |
168 | be reallocated. */ | |
47cf603e | 169 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
170 | |
171 | /* If we have one single argument it cannot be '-c' or any string | |
2b03b41d | 172 | starting with '-'. */ |
fb40c209 AC |
173 | if (argc == 1) |
174 | { | |
175 | if (strcmp (name, "-c") == 0) | |
1b05df00 | 176 | error (_("-var-delete: Missing required " |
9a2b4c1b | 177 | "argument after '-c': variable object name")); |
fb40c209 | 178 | if (*name == '-') |
1b05df00 | 179 | error (_("-var-delete: Illegal variable object name")); |
fb40c209 AC |
180 | } |
181 | ||
182 | /* If we have 2 arguments they must be '-c' followed by a string | |
2b03b41d | 183 | which would be the variable name. */ |
fb40c209 AC |
184 | if (argc == 2) |
185 | { | |
fb40c209 | 186 | if (strcmp (name, "-c") != 0) |
1b05df00 | 187 | error (_("-var-delete: Invalid option.")); |
fb40c209 | 188 | children_only_p = 1; |
474d0d0c MS |
189 | do_cleanups (old_cleanups); |
190 | name = xstrdup (argv[1]); | |
5fe41fbf | 191 | old_cleanups = make_cleanup (free_current_contents, &name); |
fb40c209 AC |
192 | } |
193 | ||
194 | /* If we didn't error out, now NAME contains the name of the | |
2b03b41d | 195 | variable. */ |
fb40c209 AC |
196 | |
197 | var = varobj_get_handle (name); | |
198 | ||
30914ca8 | 199 | numdel = varobj_delete (var, children_only_p); |
fb40c209 | 200 | |
112e8700 | 201 | uiout->field_int ("ndeleted", numdel); |
fb40c209 AC |
202 | |
203 | do_cleanups (old_cleanups); | |
fb40c209 AC |
204 | } |
205 | ||
de051565 MK |
206 | /* Parse a string argument into a format value. */ |
207 | ||
208 | static enum varobj_display_formats | |
209 | mi_parse_format (const char *arg) | |
210 | { | |
211 | if (arg != NULL) | |
212 | { | |
213 | int len; | |
214 | ||
215 | len = strlen (arg); | |
216 | ||
217 | if (strncmp (arg, "natural", len) == 0) | |
218 | return FORMAT_NATURAL; | |
219 | else if (strncmp (arg, "binary", len) == 0) | |
220 | return FORMAT_BINARY; | |
221 | else if (strncmp (arg, "decimal", len) == 0) | |
222 | return FORMAT_DECIMAL; | |
223 | else if (strncmp (arg, "hexadecimal", len) == 0) | |
224 | return FORMAT_HEXADECIMAL; | |
225 | else if (strncmp (arg, "octal", len) == 0) | |
226 | return FORMAT_OCTAL; | |
1c35a88f LM |
227 | else if (strncmp (arg, "zero-hexadecimal", len) == 0) |
228 | return FORMAT_ZHEXADECIMAL; | |
de051565 MK |
229 | } |
230 | ||
9a2b4c1b | 231 | error (_("Must specify the format as: \"natural\", " |
1c35a88f | 232 | "\"binary\", \"decimal\", \"hexadecimal\", \"octal\" or \"zero-hexadecimal\"")); |
de051565 MK |
233 | } |
234 | ||
ce8f13f8 | 235 | void |
9f33b8b7 | 236 | mi_cmd_var_set_format (const char *command, char **argv, int argc) |
fb40c209 AC |
237 | { |
238 | enum varobj_display_formats format; | |
fb40c209 | 239 | struct varobj *var; |
79a45e25 | 240 | struct ui_out *uiout = current_uiout; |
fb40c209 AC |
241 | |
242 | if (argc != 2) | |
1b05df00 | 243 | error (_("-var-set-format: Usage: NAME FORMAT.")); |
fb40c209 | 244 | |
2b03b41d | 245 | /* Get varobj handle, if a valid var obj name was specified. */ |
fb40c209 AC |
246 | var = varobj_get_handle (argv[0]); |
247 | ||
de051565 MK |
248 | format = mi_parse_format (argv[1]); |
249 | ||
2b03b41d | 250 | /* Set the format of VAR to the given format. */ |
fb40c209 AC |
251 | varobj_set_display_format (var, format); |
252 | ||
2b03b41d | 253 | /* Report the new current format. */ |
112e8700 | 254 | uiout->field_string ("format", varobj_format_string[(int) format]); |
00ee6348 | 255 | |
2b03b41d | 256 | /* Report the value in the new format. */ |
2f408ecb | 257 | std::string val = varobj_get_value (var); |
112e8700 | 258 | uiout->field_string ("value", val.c_str ()); |
fb40c209 AC |
259 | } |
260 | ||
b6313243 | 261 | void |
9f33b8b7 | 262 | mi_cmd_var_set_visualizer (const char *command, char **argv, int argc) |
b6313243 TT |
263 | { |
264 | struct varobj *var; | |
265 | ||
266 | if (argc != 2) | |
9b20d036 | 267 | error (_("Usage: NAME VISUALIZER_FUNCTION.")); |
b6313243 TT |
268 | |
269 | var = varobj_get_handle (argv[0]); | |
270 | ||
271 | if (var == NULL) | |
9b20d036 | 272 | error (_("Variable object not found")); |
b6313243 TT |
273 | |
274 | varobj_set_visualizer (var, argv[1]); | |
275 | } | |
276 | ||
ce8f13f8 | 277 | void |
9f33b8b7 | 278 | mi_cmd_var_set_frozen (const char *command, char **argv, int argc) |
25d5ea92 VP |
279 | { |
280 | struct varobj *var; | |
281 | int frozen; | |
282 | ||
283 | if (argc != 2) | |
284 | error (_("-var-set-format: Usage: NAME FROZEN_FLAG.")); | |
285 | ||
286 | var = varobj_get_handle (argv[0]); | |
25d5ea92 VP |
287 | |
288 | if (strcmp (argv[1], "0") == 0) | |
289 | frozen = 0; | |
290 | else if (strcmp (argv[1], "1") == 0) | |
291 | frozen = 1; | |
292 | else | |
293 | error (_("Invalid flag value")); | |
294 | ||
295 | varobj_set_frozen (var, frozen); | |
296 | ||
2b03b41d SS |
297 | /* We don't automatically return the new value, or what varobjs got |
298 | new values during unfreezing. If this information is required, | |
299 | client should call -var-update explicitly. */ | |
25d5ea92 VP |
300 | } |
301 | ||
ce8f13f8 | 302 | void |
9f33b8b7 | 303 | mi_cmd_var_show_format (const char *command, char **argv, int argc) |
fb40c209 | 304 | { |
79a45e25 | 305 | struct ui_out *uiout = current_uiout; |
fb40c209 AC |
306 | enum varobj_display_formats format; |
307 | struct varobj *var; | |
308 | ||
309 | if (argc != 1) | |
1b05df00 | 310 | error (_("-var-show-format: Usage: NAME.")); |
fb40c209 | 311 | |
2b03b41d | 312 | /* Get varobj handle, if a valid var obj name was specified. */ |
fb40c209 | 313 | var = varobj_get_handle (argv[0]); |
fb40c209 AC |
314 | |
315 | format = varobj_get_display_format (var); | |
316 | ||
2b03b41d | 317 | /* Report the current format. */ |
112e8700 | 318 | uiout->field_string ("format", varobj_format_string[(int) format]); |
fb40c209 AC |
319 | } |
320 | ||
ce8f13f8 | 321 | void |
9f33b8b7 | 322 | mi_cmd_var_info_num_children (const char *command, char **argv, int argc) |
fb40c209 | 323 | { |
79a45e25 | 324 | struct ui_out *uiout = current_uiout; |
fb40c209 AC |
325 | struct varobj *var; |
326 | ||
327 | if (argc != 1) | |
1b05df00 | 328 | error (_("-var-info-num-children: Usage: NAME.")); |
fb40c209 | 329 | |
2b03b41d | 330 | /* Get varobj handle, if a valid var obj name was specified. */ |
fb40c209 | 331 | var = varobj_get_handle (argv[0]); |
fb40c209 | 332 | |
112e8700 | 333 | uiout->field_int ("numchild", varobj_get_num_children (var)); |
fb40c209 AC |
334 | } |
335 | ||
1ecb4ee0 | 336 | /* Return 1 if given the argument PRINT_VALUES we should display |
0cc7d26f | 337 | the varobj VAR. */ |
1ecb4ee0 DJ |
338 | |
339 | static int | |
0cc7d26f | 340 | mi_print_value_p (struct varobj *var, enum print_values print_values) |
1ecb4ee0 | 341 | { |
0cc7d26f | 342 | struct type *type; |
1ecb4ee0 DJ |
343 | |
344 | if (print_values == PRINT_NO_VALUES) | |
345 | return 0; | |
346 | ||
347 | if (print_values == PRINT_ALL_VALUES) | |
348 | return 1; | |
349 | ||
cde5ef40 | 350 | if (varobj_is_dynamic_p (var)) |
0cc7d26f TT |
351 | return 1; |
352 | ||
353 | type = varobj_get_gdb_type (var); | |
9265acad NR |
354 | if (type == NULL) |
355 | return 1; | |
356 | else | |
357 | { | |
358 | type = check_typedef (type); | |
1ecb4ee0 | 359 | |
9265acad NR |
360 | /* For PRINT_SIMPLE_VALUES, only print the value if it has a type |
361 | and that type is not a compound type. */ | |
362 | return (TYPE_CODE (type) != TYPE_CODE_ARRAY | |
363 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
364 | && TYPE_CODE (type) != TYPE_CODE_UNION); | |
365 | } | |
1ecb4ee0 DJ |
366 | } |
367 | ||
ce8f13f8 | 368 | void |
9f33b8b7 | 369 | mi_cmd_var_list_children (const char *command, char **argv, int argc) |
fb40c209 | 370 | { |
79a45e25 | 371 | struct ui_out *uiout = current_uiout; |
d56d46f5 VP |
372 | struct varobj *var; |
373 | VEC(varobj_p) *children; | |
374 | struct varobj *child; | |
c9e1f0fc | 375 | enum print_values print_values; |
d56d46f5 | 376 | int ix; |
0cc7d26f | 377 | int from, to; |
fb40c209 | 378 | |
0cc7d26f | 379 | if (argc < 1 || argc > 4) |
1b05df00 | 380 | error (_("-var-list-children: Usage: " |
9a2b4c1b | 381 | "[PRINT_VALUES] NAME [FROM TO]")); |
fb40c209 | 382 | |
2b03b41d | 383 | /* Get varobj handle, if a valid var obj name was specified. */ |
0cc7d26f | 384 | if (argc == 1 || argc == 3) |
1ecb4ee0 DJ |
385 | var = varobj_get_handle (argv[0]); |
386 | else | |
387 | var = varobj_get_handle (argv[1]); | |
fb40c209 | 388 | |
0cc7d26f TT |
389 | if (argc > 2) |
390 | { | |
391 | from = atoi (argv[argc - 2]); | |
392 | to = atoi (argv[argc - 1]); | |
393 | } | |
394 | else | |
395 | { | |
396 | from = -1; | |
397 | to = -1; | |
398 | } | |
399 | ||
400 | children = varobj_list_children (var, &from, &to); | |
112e8700 | 401 | uiout->field_int ("numchild", to - from); |
0cc7d26f | 402 | if (argc == 2 || argc == 4) |
87967e27 | 403 | print_values = mi_parse_print_values (argv[0]); |
1ecb4ee0 DJ |
404 | else |
405 | print_values = PRINT_NO_VALUES; | |
fb40c209 | 406 | |
9b972014 | 407 | gdb::unique_xmalloc_ptr<char> display_hint = varobj_get_display_hint (var); |
b6313243 | 408 | if (display_hint) |
112e8700 | 409 | uiout->field_string ("displayhint", display_hint.get ()); |
b6313243 | 410 | |
0cc7d26f | 411 | if (from < to) |
fb40c209 | 412 | { |
0cc7d26f | 413 | struct cleanup *cleanup_children; |
102040f0 | 414 | |
0cc7d26f TT |
415 | if (mi_version (uiout) == 1) |
416 | cleanup_children | |
417 | = make_cleanup_ui_out_tuple_begin_end (uiout, "children"); | |
418 | else | |
419 | cleanup_children | |
420 | = make_cleanup_ui_out_list_begin_end (uiout, "children"); | |
421 | for (ix = from; | |
422 | ix < to && VEC_iterate (varobj_p, children, ix, child); | |
423 | ++ix) | |
424 | { | |
2e783024 | 425 | ui_out_emit_tuple child_emitter (uiout, "child"); |
102040f0 | 426 | |
0cc7d26f | 427 | print_varobj (child, print_values, 1 /* print expression */); |
0cc7d26f TT |
428 | } |
429 | do_cleanups (cleanup_children); | |
fb40c209 | 430 | } |
0cc7d26f | 431 | |
112e8700 | 432 | uiout->field_int ("has_more", varobj_has_more (var, to)); |
fb40c209 AC |
433 | } |
434 | ||
ce8f13f8 | 435 | void |
9f33b8b7 | 436 | mi_cmd_var_info_type (const char *command, char **argv, int argc) |
fb40c209 | 437 | { |
79a45e25 | 438 | struct ui_out *uiout = current_uiout; |
fb40c209 AC |
439 | struct varobj *var; |
440 | ||
441 | if (argc != 1) | |
1b05df00 | 442 | error (_("-var-info-type: Usage: NAME.")); |
fb40c209 | 443 | |
2b03b41d | 444 | /* Get varobj handle, if a valid var obj name was specified. */ |
fb40c209 | 445 | var = varobj_get_handle (argv[0]); |
afa269ae | 446 | |
2f408ecb | 447 | std::string type_name = varobj_get_type (var); |
112e8700 | 448 | uiout->field_string ("type", type_name.c_str ()); |
fb40c209 AC |
449 | } |
450 | ||
ce8f13f8 | 451 | void |
9f33b8b7 | 452 | mi_cmd_var_info_path_expression (const char *command, char **argv, int argc) |
02142340 | 453 | { |
79a45e25 | 454 | struct ui_out *uiout = current_uiout; |
02142340 | 455 | struct varobj *var; |
02142340 VP |
456 | |
457 | if (argc != 1) | |
458 | error (_("Usage: NAME.")); | |
459 | ||
460 | /* Get varobj handle, if a valid var obj name was specified. */ | |
461 | var = varobj_get_handle (argv[0]); | |
02142340 | 462 | |
2f408ecb | 463 | const char *path_expr = varobj_get_path_expr (var); |
02142340 | 464 | |
112e8700 | 465 | uiout->field_string ("path_expr", path_expr); |
02142340 VP |
466 | } |
467 | ||
ce8f13f8 | 468 | void |
9f33b8b7 | 469 | mi_cmd_var_info_expression (const char *command, char **argv, int argc) |
fb40c209 | 470 | { |
79a45e25 | 471 | struct ui_out *uiout = current_uiout; |
fa4d0c40 | 472 | const struct language_defn *lang; |
fb40c209 AC |
473 | struct varobj *var; |
474 | ||
475 | if (argc != 1) | |
1b05df00 | 476 | error (_("-var-info-expression: Usage: NAME.")); |
fb40c209 | 477 | |
2b03b41d | 478 | /* Get varobj handle, if a valid var obj name was specified. */ |
fb40c209 | 479 | var = varobj_get_handle (argv[0]); |
fb40c209 AC |
480 | |
481 | lang = varobj_get_language (var); | |
482 | ||
112e8700 | 483 | uiout->field_string ("lang", lang->la_natural_name); |
ca83fa81 | 484 | |
2f408ecb | 485 | std::string exp = varobj_get_expression (var); |
112e8700 | 486 | uiout->field_string ("exp", exp.c_str ()); |
fb40c209 AC |
487 | } |
488 | ||
ce8f13f8 | 489 | void |
9f33b8b7 | 490 | mi_cmd_var_show_attributes (const char *command, char **argv, int argc) |
fb40c209 | 491 | { |
79a45e25 | 492 | struct ui_out *uiout = current_uiout; |
fb40c209 | 493 | int attr; |
a121b7c1 | 494 | const char *attstr; |
fb40c209 AC |
495 | struct varobj *var; |
496 | ||
497 | if (argc != 1) | |
1b05df00 | 498 | error (_("-var-show-attributes: Usage: NAME.")); |
fb40c209 AC |
499 | |
500 | /* Get varobj handle, if a valid var obj name was specified */ | |
501 | var = varobj_get_handle (argv[0]); | |
fb40c209 AC |
502 | |
503 | attr = varobj_get_attributes (var); | |
504 | /* FIXME: define masks for attributes */ | |
505 | if (attr & 0x00000001) | |
506 | attstr = "editable"; | |
507 | else | |
508 | attstr = "noneditable"; | |
509 | ||
112e8700 | 510 | uiout->field_string ("attr", attstr); |
fb40c209 AC |
511 | } |
512 | ||
ce8f13f8 | 513 | void |
9f33b8b7 | 514 | mi_cmd_var_evaluate_expression (const char *command, char **argv, int argc) |
fb40c209 | 515 | { |
79a45e25 | 516 | struct ui_out *uiout = current_uiout; |
fb40c209 AC |
517 | struct varobj *var; |
518 | ||
de051565 MK |
519 | enum varobj_display_formats format; |
520 | int formatFound; | |
54dc8297 AS |
521 | int oind; |
522 | char *oarg; | |
de051565 MK |
523 | |
524 | enum opt | |
de051565 | 525 | { |
2b03b41d | 526 | OP_FORMAT |
de051565 | 527 | }; |
2b03b41d SS |
528 | static const struct mi_opt opts[] = |
529 | { | |
530 | {"f", OP_FORMAT, 1}, | |
531 | { 0, 0, 0 } | |
532 | }; | |
de051565 | 533 | |
2b03b41d | 534 | /* Parse arguments. */ |
de051565 MK |
535 | format = FORMAT_NATURAL; |
536 | formatFound = 0; | |
54dc8297 | 537 | oind = 0; |
de051565 MK |
538 | while (1) |
539 | { | |
102040f0 | 540 | int opt = mi_getopt ("-var-evaluate-expression", argc, argv, |
54dc8297 | 541 | opts, &oind, &oarg); |
102040f0 | 542 | |
de051565 MK |
543 | if (opt < 0) |
544 | break; | |
545 | switch ((enum opt) opt) | |
2b03b41d | 546 | { |
de051565 MK |
547 | case OP_FORMAT: |
548 | if (formatFound) | |
549 | error (_("Cannot specify format more than once")); | |
550 | ||
54dc8297 | 551 | format = mi_parse_format (oarg); |
de051565 MK |
552 | formatFound = 1; |
553 | break; | |
2b03b41d | 554 | } |
de051565 | 555 | } |
fb40c209 | 556 | |
54dc8297 | 557 | if (oind >= argc) |
de051565 MK |
558 | error (_("Usage: [-f FORMAT] NAME")); |
559 | ||
54dc8297 | 560 | if (oind < argc - 1) |
de051565 MK |
561 | error (_("Garbage at end of command")); |
562 | ||
2b03b41d | 563 | /* Get varobj handle, if a valid var obj name was specified. */ |
54dc8297 | 564 | var = varobj_get_handle (argv[oind]); |
de051565 MK |
565 | |
566 | if (formatFound) | |
0cc7d26f | 567 | { |
2f408ecb | 568 | std::string val = varobj_get_formatted_value (var, format); |
102040f0 | 569 | |
112e8700 | 570 | uiout->field_string ("value", val.c_str ()); |
0cc7d26f | 571 | } |
de051565 | 572 | else |
0cc7d26f | 573 | { |
2f408ecb | 574 | std::string val = varobj_get_value (var); |
102040f0 | 575 | |
112e8700 | 576 | uiout->field_string ("value", val.c_str ()); |
0cc7d26f | 577 | } |
fb40c209 AC |
578 | } |
579 | ||
ce8f13f8 | 580 | void |
9f33b8b7 | 581 | mi_cmd_var_assign (const char *command, char **argv, int argc) |
fb40c209 | 582 | { |
79a45e25 | 583 | struct ui_out *uiout = current_uiout; |
fb40c209 | 584 | struct varobj *var; |
fb40c209 AC |
585 | |
586 | if (argc != 2) | |
1b05df00 | 587 | error (_("-var-assign: Usage: NAME EXPRESSION.")); |
fb40c209 | 588 | |
2b03b41d | 589 | /* Get varobj handle, if a valid var obj name was specified. */ |
fb40c209 | 590 | var = varobj_get_handle (argv[0]); |
fb40c209 | 591 | |
d2562500 | 592 | if (!varobj_editable_p (var)) |
1b05df00 | 593 | error (_("-var-assign: Variable object is not editable")); |
fb40c209 | 594 | |
2f408ecb | 595 | const char *expression = argv[1]; |
fb40c209 | 596 | |
8de0566d YQ |
597 | /* MI command '-var-assign' may write memory, so suppress memory |
598 | changed notification if it does. */ | |
b7b633e9 TT |
599 | scoped_restore save_suppress |
600 | = make_scoped_restore (&mi_suppress_notification.memory, 1); | |
8de0566d | 601 | |
fb40c209 | 602 | if (!varobj_set_value (var, expression)) |
1b05df00 | 603 | error (_("-var-assign: Could not assign " |
9a2b4c1b | 604 | "expression to variable object")); |
fb40c209 | 605 | |
2f408ecb | 606 | std::string val = varobj_get_value (var); |
112e8700 | 607 | uiout->field_string ("value", val.c_str ()); |
fb40c209 AC |
608 | } |
609 | ||
54333c3b JK |
610 | /* Type used for parameters passing to mi_cmd_var_update_iter. */ |
611 | ||
612 | struct mi_cmd_var_update | |
613 | { | |
614 | int only_floating; | |
615 | enum print_values print_values; | |
616 | }; | |
617 | ||
618 | /* Helper for mi_cmd_var_update - update each VAR. */ | |
619 | ||
620 | static void | |
621 | mi_cmd_var_update_iter (struct varobj *var, void *data_pointer) | |
622 | { | |
19ba03f4 | 623 | struct mi_cmd_var_update *data = (struct mi_cmd_var_update *) data_pointer; |
54333c3b JK |
624 | int thread_id, thread_stopped; |
625 | ||
626 | thread_id = varobj_get_thread_id (var); | |
627 | ||
6be47f0c KS |
628 | if (thread_id == -1 |
629 | && (ptid_equal (inferior_ptid, null_ptid) | |
630 | || is_stopped (inferior_ptid))) | |
54333c3b JK |
631 | thread_stopped = 1; |
632 | else | |
633 | { | |
5d5658a1 | 634 | struct thread_info *tp = find_thread_global_id (thread_id); |
54333c3b JK |
635 | |
636 | if (tp) | |
637 | thread_stopped = is_stopped (tp->ptid); | |
638 | else | |
639 | thread_stopped = 1; | |
640 | } | |
641 | ||
2b03b41d SS |
642 | if (thread_stopped |
643 | && (!data->only_floating || varobj_floating_p (var))) | |
644 | varobj_update_one (var, data->print_values, 0 /* implicit */); | |
54333c3b JK |
645 | } |
646 | ||
ce8f13f8 | 647 | void |
9f33b8b7 | 648 | mi_cmd_var_update (const char *command, char **argv, int argc) |
fb40c209 | 649 | { |
79a45e25 | 650 | struct ui_out *uiout = current_uiout; |
3a387118 | 651 | struct cleanup *cleanup; |
fb40c209 | 652 | char *name; |
1ecb4ee0 | 653 | enum print_values print_values; |
fb40c209 | 654 | |
1ecb4ee0 | 655 | if (argc != 1 && argc != 2) |
1b05df00 | 656 | error (_("-var-update: Usage: [PRINT_VALUES] NAME.")); |
1ecb4ee0 DJ |
657 | |
658 | if (argc == 1) | |
659 | name = argv[0]; | |
660 | else | |
2b03b41d | 661 | name = argv[1]; |
fb40c209 | 662 | |
1ecb4ee0 | 663 | if (argc == 2) |
87967e27 | 664 | print_values = mi_parse_print_values (argv[0]); |
1ecb4ee0 DJ |
665 | else |
666 | print_values = PRINT_NO_VALUES; | |
fb40c209 | 667 | |
6e9ef2a8 JK |
668 | if (mi_version (uiout) <= 1) |
669 | cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist"); | |
670 | else | |
671 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist"); | |
672 | ||
2b03b41d SS |
673 | /* Check if the parameter is a "*", which means that we want to |
674 | update all variables. */ | |
fb40c209 | 675 | |
5a413362 | 676 | if ((*name == '*' || *name == '@') && (*(name + 1) == '\0')) |
fb40c209 | 677 | { |
54333c3b JK |
678 | struct mi_cmd_var_update data; |
679 | ||
2b03b41d | 680 | data.only_floating = (*name == '@'); |
54333c3b JK |
681 | data.print_values = print_values; |
682 | ||
2b03b41d SS |
683 | /* varobj_update_one automatically updates all the children of |
684 | VAROBJ. Therefore update each VAROBJ only once by iterating | |
685 | only the root VAROBJs. */ | |
54333c3b JK |
686 | |
687 | all_root_varobjs (mi_cmd_var_update_iter, &data); | |
fb40c209 AC |
688 | } |
689 | else | |
690 | { | |
2b03b41d | 691 | /* Get varobj handle, if a valid var obj name was specified. */ |
6e9ef2a8 | 692 | struct varobj *var = varobj_get_handle (name); |
fb40c209 | 693 | |
25d5ea92 | 694 | varobj_update_one (var, print_values, 1 /* explicit */); |
fb40c209 | 695 | } |
6e9ef2a8 JK |
696 | |
697 | do_cleanups (cleanup); | |
fb40c209 AC |
698 | } |
699 | ||
8756216b | 700 | /* Helper for mi_cmd_var_update(). */ |
fb40c209 | 701 | |
8756216b | 702 | static void |
25d5ea92 | 703 | varobj_update_one (struct varobj *var, enum print_values print_values, |
fe978cb0 | 704 | int is_explicit) |
fb40c209 | 705 | { |
79a45e25 | 706 | struct ui_out *uiout = current_uiout; |
f7f9ae2c VP |
707 | VEC (varobj_update_result) *changes; |
708 | varobj_update_result *r; | |
709 | int i; | |
710 | ||
fe978cb0 | 711 | changes = varobj_update (&var, is_explicit); |
73a93a32 | 712 | |
f7f9ae2c | 713 | for (i = 0; VEC_iterate (varobj_update_result, changes, i, r); ++i) |
fb40c209 | 714 | { |
0cc7d26f | 715 | int from, to; |
b6313243 | 716 | |
0092b74d | 717 | gdb::optional<ui_out_emit_tuple> tuple_emitter; |
3a387118 | 718 | if (mi_version (uiout) > 1) |
0092b74d | 719 | tuple_emitter.emplace (uiout, nullptr); |
112e8700 | 720 | uiout->field_string ("name", varobj_get_objname (r->varobj)); |
8756216b | 721 | |
f7f9ae2c VP |
722 | switch (r->status) |
723 | { | |
724 | case VAROBJ_IN_SCOPE: | |
0cc7d26f TT |
725 | if (mi_print_value_p (r->varobj, print_values)) |
726 | { | |
2f408ecb | 727 | std::string val = varobj_get_value (r->varobj); |
102040f0 | 728 | |
112e8700 | 729 | uiout->field_string ("value", val.c_str ()); |
0cc7d26f | 730 | } |
112e8700 | 731 | uiout->field_string ("in_scope", "true"); |
f7f9ae2c VP |
732 | break; |
733 | case VAROBJ_NOT_IN_SCOPE: | |
112e8700 | 734 | uiout->field_string ("in_scope", "false"); |
8756216b | 735 | break; |
f7f9ae2c | 736 | case VAROBJ_INVALID: |
112e8700 | 737 | uiout->field_string ("in_scope", "invalid"); |
8756216b | 738 | break; |
f7f9ae2c VP |
739 | } |
740 | ||
741 | if (r->status != VAROBJ_INVALID) | |
73a93a32 | 742 | { |
f7f9ae2c | 743 | if (r->type_changed) |
112e8700 | 744 | uiout->field_string ("type_changed", "true"); |
f7f9ae2c | 745 | else |
112e8700 | 746 | uiout->field_string ("type_changed", "false"); |
73a93a32 | 747 | } |
f7f9ae2c VP |
748 | |
749 | if (r->type_changed) | |
afa269ae | 750 | { |
2f408ecb | 751 | std::string type_name = varobj_get_type (r->varobj); |
afa269ae | 752 | |
112e8700 | 753 | uiout->field_string ("new_type", type_name.c_str ()); |
afa269ae | 754 | } |
0cc7d26f TT |
755 | |
756 | if (r->type_changed || r->children_changed) | |
112e8700 | 757 | uiout->field_int ("new_num_children", |
0cc7d26f | 758 | varobj_get_num_children (r->varobj)); |
b6313243 | 759 | |
9b972014 TT |
760 | gdb::unique_xmalloc_ptr<char> display_hint |
761 | = varobj_get_display_hint (r->varobj); | |
b6313243 | 762 | if (display_hint) |
112e8700 | 763 | uiout->field_string ("displayhint", display_hint.get ()); |
b6313243 | 764 | |
cde5ef40 | 765 | if (varobj_is_dynamic_p (r->varobj)) |
112e8700 | 766 | uiout->field_int ("dynamic", 1); |
b6313243 | 767 | |
0cc7d26f | 768 | varobj_get_child_range (r->varobj, &from, &to); |
112e8700 | 769 | uiout->field_int ("has_more", varobj_has_more (r->varobj, to)); |
b6313243 | 770 | |
fe978cb0 | 771 | if (r->newobj) |
0cc7d26f TT |
772 | { |
773 | int j; | |
774 | varobj_p child; | |
0cc7d26f | 775 | |
10f489e5 | 776 | ui_out_emit_list list_emitter (uiout, "new_children"); |
fe978cb0 | 777 | for (j = 0; VEC_iterate (varobj_p, r->newobj, j, child); ++j) |
b6313243 | 778 | { |
2e783024 | 779 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
0cc7d26f | 780 | print_varobj (child, print_values, 1 /* print_expression */); |
b6313243 TT |
781 | } |
782 | ||
fe978cb0 PA |
783 | VEC_free (varobj_p, r->newobj); |
784 | r->newobj = NULL; /* Paranoia. */ | |
b6313243 | 785 | } |
fb40c209 | 786 | } |
f7f9ae2c | 787 | VEC_free (varobj_update_result, changes); |
fb40c209 | 788 | } |
0cc7d26f TT |
789 | |
790 | void | |
9f33b8b7 | 791 | mi_cmd_enable_pretty_printing (const char *command, char **argv, int argc) |
0cc7d26f TT |
792 | { |
793 | if (argc != 0) | |
1b05df00 | 794 | error (_("-enable-pretty-printing: no arguments allowed")); |
2b03b41d | 795 | |
0cc7d26f TT |
796 | varobj_enable_pretty_printing (); |
797 | } | |
798 | ||
799 | void | |
9f33b8b7 | 800 | mi_cmd_var_set_update_range (const char *command, char **argv, int argc) |
0cc7d26f TT |
801 | { |
802 | struct varobj *var; | |
803 | int from, to; | |
804 | ||
805 | if (argc != 3) | |
1b05df00 | 806 | error (_("-var-set-update-range: Usage: VAROBJ FROM TO")); |
0cc7d26f TT |
807 | |
808 | var = varobj_get_handle (argv[0]); | |
809 | from = atoi (argv[1]); | |
810 | to = atoi (argv[2]); | |
811 | ||
812 | varobj_set_child_range (var, from, to); | |
813 | } |