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d318976c | 1 | /* Handle set and show GDB commands. |
8926118c | 2 | |
0b1afbb3 | 3 | Copyright (C) 2000-2013 Free Software Foundation, Inc. |
d318976c FN |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 7 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
8 | (at your option) any later version. |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
17 | |
18 | #include "defs.h" | |
dbda9972 | 19 | #include "readline/tilde.h" |
d318976c FN |
20 | #include "value.h" |
21 | #include <ctype.h> | |
d318976c | 22 | #include "gdb_string.h" |
f870a310 | 23 | #include "arch-utils.h" |
5b9afe8a | 24 | #include "observer.h" |
d318976c | 25 | |
d318976c | 26 | #include "ui-out.h" |
d318976c FN |
27 | |
28 | #include "cli/cli-decode.h" | |
29 | #include "cli/cli-cmds.h" | |
30 | #include "cli/cli-setshow.h" | |
31 | ||
5b9afe8a YQ |
32 | /* Return true if the change of command parameter should be notified. */ |
33 | ||
34 | static int | |
35 | notify_command_param_changed_p (int param_changed, struct cmd_list_element *c) | |
36 | { | |
37 | if (param_changed == 0) | |
38 | return 0; | |
39 | ||
40 | if (c->class == class_maintenance || c->class == class_deprecated | |
41 | || c->class == class_obscure) | |
42 | return 0; | |
43 | ||
44 | return 1; | |
45 | } | |
46 | ||
d318976c | 47 | \f |
7f19b9a2 | 48 | static enum auto_boolean |
d318976c FN |
49 | parse_auto_binary_operation (const char *arg) |
50 | { | |
51 | if (arg != NULL && *arg != '\0') | |
52 | { | |
53 | int length = strlen (arg); | |
cdb27c12 | 54 | |
d318976c FN |
55 | while (isspace (arg[length - 1]) && length > 0) |
56 | length--; | |
57 | if (strncmp (arg, "on", length) == 0 | |
58 | || strncmp (arg, "1", length) == 0 | |
59 | || strncmp (arg, "yes", length) == 0 | |
60 | || strncmp (arg, "enable", length) == 0) | |
7f19b9a2 | 61 | return AUTO_BOOLEAN_TRUE; |
d318976c FN |
62 | else if (strncmp (arg, "off", length) == 0 |
63 | || strncmp (arg, "0", length) == 0 | |
64 | || strncmp (arg, "no", length) == 0 | |
65 | || strncmp (arg, "disable", length) == 0) | |
7f19b9a2 | 66 | return AUTO_BOOLEAN_FALSE; |
d318976c FN |
67 | else if (strncmp (arg, "auto", length) == 0 |
68 | || (strncmp (arg, "-1", length) == 0 && length > 1)) | |
7f19b9a2 | 69 | return AUTO_BOOLEAN_AUTO; |
d318976c | 70 | } |
8a3fe4f8 | 71 | error (_("\"on\", \"off\" or \"auto\" expected.")); |
ebcd3b23 | 72 | return AUTO_BOOLEAN_AUTO; /* Pacify GCC. */ |
d318976c FN |
73 | } |
74 | ||
bd712aed DE |
75 | /* See cli-setshow.h. */ |
76 | ||
77 | int | |
78 | parse_cli_boolean_value (char *arg) | |
d318976c FN |
79 | { |
80 | int length; | |
81 | ||
82 | if (!arg || !*arg) | |
83 | return 1; | |
84 | ||
85 | length = strlen (arg); | |
86 | ||
87 | while (arg[length - 1] == ' ' || arg[length - 1] == '\t') | |
88 | length--; | |
89 | ||
90 | if (strncmp (arg, "on", length) == 0 | |
91 | || strncmp (arg, "1", length) == 0 | |
92 | || strncmp (arg, "yes", length) == 0 | |
93 | || strncmp (arg, "enable", length) == 0) | |
94 | return 1; | |
95 | else if (strncmp (arg, "off", length) == 0 | |
96 | || strncmp (arg, "0", length) == 0 | |
97 | || strncmp (arg, "no", length) == 0 | |
98 | || strncmp (arg, "disable", length) == 0) | |
99 | return 0; | |
100 | else | |
bd712aed | 101 | return -1; |
d318976c FN |
102 | } |
103 | \f | |
08546159 AC |
104 | void |
105 | deprecated_show_value_hack (struct ui_file *ignore_file, | |
106 | int ignore_from_tty, | |
107 | struct cmd_list_element *c, | |
108 | const char *value) | |
109 | { | |
4d28ad1e AC |
110 | /* If there's no command or value, don't try to print it out. */ |
111 | if (c == NULL || value == NULL) | |
112 | return; | |
08546159 AC |
113 | /* Print doc minus "show" at start. */ |
114 | print_doc_line (gdb_stdout, c->doc + 5); | |
115 | switch (c->var_type) | |
116 | { | |
117 | case var_string: | |
118 | case var_string_noescape: | |
b4b4ac0b | 119 | case var_optional_filename: |
08546159 AC |
120 | case var_filename: |
121 | case var_enum: | |
122 | printf_filtered ((" is \"%s\".\n"), value); | |
123 | break; | |
124 | default: | |
125 | printf_filtered ((" is %s.\n"), value); | |
126 | break; | |
127 | } | |
128 | } | |
129 | ||
5b9afe8a | 130 | /* Do a "set" command. ARG is NULL if no argument, or the |
ebcd3b23 MS |
131 | text of the argument, and FROM_TTY is nonzero if this command is |
132 | being entered directly by the user (i.e. these are just like any | |
133 | other command). C is the command list element for the command. */ | |
d318976c FN |
134 | |
135 | void | |
5b9afe8a | 136 | do_set_command (char *arg, int from_tty, struct cmd_list_element *c) |
d318976c | 137 | { |
5b9afe8a YQ |
138 | /* A flag to indicate the option is changed or not. */ |
139 | int option_changed = 0; | |
140 | ||
141 | gdb_assert (c->type == set_cmd); | |
79a45e25 | 142 | |
5b9afe8a | 143 | switch (c->var_type) |
d318976c | 144 | { |
5b9afe8a YQ |
145 | case var_string: |
146 | { | |
147 | char *new; | |
148 | char *p; | |
149 | char *q; | |
150 | int ch; | |
151 | ||
152 | if (arg == NULL) | |
153 | arg = ""; | |
154 | new = (char *) xmalloc (strlen (arg) + 2); | |
155 | p = arg; | |
156 | q = new; | |
157 | while ((ch = *p++) != '\000') | |
d318976c | 158 | { |
5b9afe8a | 159 | if (ch == '\\') |
d318976c | 160 | { |
5b9afe8a YQ |
161 | /* \ at end of argument is used after spaces |
162 | so they won't be lost. */ | |
163 | /* This is obsolete now that we no longer strip | |
164 | trailing whitespace and actually, the backslash | |
165 | didn't get here in my test, readline or | |
166 | something did something funky with a backslash | |
167 | right before a newline. */ | |
168 | if (*p == 0) | |
169 | break; | |
170 | ch = parse_escape (get_current_arch (), &p); | |
171 | if (ch == 0) | |
172 | break; /* C loses */ | |
173 | else if (ch > 0) | |
d318976c FN |
174 | *q++ = ch; |
175 | } | |
5b9afe8a YQ |
176 | else |
177 | *q++ = ch; | |
178 | } | |
d318976c | 179 | #if 0 |
5b9afe8a YQ |
180 | if (*(p - 1) != '\\') |
181 | *q++ = ' '; | |
d318976c | 182 | #endif |
5b9afe8a YQ |
183 | *q++ = '\0'; |
184 | new = (char *) xrealloc (new, q - new); | |
185 | ||
186 | if (*(char **) c->var == NULL | |
187 | || strcmp (*(char **) c->var, new) != 0) | |
188 | { | |
c24343e2 | 189 | xfree (*(char **) c->var); |
d318976c | 190 | *(char **) c->var = new; |
5b9afe8a YQ |
191 | |
192 | option_changed = 1; | |
d318976c | 193 | } |
5b9afe8a YQ |
194 | else |
195 | xfree (new); | |
196 | } | |
197 | break; | |
198 | case var_string_noescape: | |
199 | if (arg == NULL) | |
200 | arg = ""; | |
201 | ||
202 | if (*(char **) c->var == NULL || strcmp (*(char **) c->var, arg) != 0) | |
203 | { | |
c24343e2 | 204 | xfree (*(char **) c->var); |
1b36a34b | 205 | *(char **) c->var = xstrdup (arg); |
cdb27c12 | 206 | |
5b9afe8a YQ |
207 | option_changed = 1; |
208 | } | |
209 | break; | |
210 | case var_filename: | |
211 | if (arg == NULL) | |
212 | error_no_arg (_("filename to set it to.")); | |
213 | /* FALLTHROUGH */ | |
214 | case var_optional_filename: | |
215 | { | |
216 | char *val = NULL; | |
6ace3df1 | 217 | |
5b9afe8a YQ |
218 | if (arg != NULL) |
219 | { | |
220 | /* Clear trailing whitespace of filename. */ | |
221 | char *ptr = arg + strlen (arg) - 1; | |
6ace3df1 | 222 | |
5b9afe8a YQ |
223 | while (ptr >= arg && (*ptr == ' ' || *ptr == '\t')) |
224 | ptr--; | |
225 | *(ptr + 1) = '\0'; | |
226 | ||
227 | val = tilde_expand (arg); | |
228 | } | |
229 | else | |
230 | val = xstrdup (""); | |
231 | ||
232 | if (*(char **) c->var == NULL | |
233 | || strcmp (*(char **) c->var, val) != 0) | |
d318976c | 234 | { |
5b9afe8a YQ |
235 | xfree (*(char **) c->var); |
236 | *(char **) c->var = val; | |
237 | ||
238 | option_changed = 1; | |
d318976c | 239 | } |
5b9afe8a YQ |
240 | else |
241 | xfree (val); | |
242 | } | |
243 | break; | |
244 | case var_boolean: | |
245 | { | |
bd712aed | 246 | int val = parse_cli_boolean_value (arg); |
5b9afe8a | 247 | |
bd712aed DE |
248 | if (val < 0) |
249 | error (_("\"on\" or \"off\" expected.")); | |
5b9afe8a YQ |
250 | if (val != *(int *) c->var) |
251 | { | |
252 | *(int *) c->var = val; | |
253 | ||
254 | option_changed = 1; | |
255 | } | |
256 | } | |
257 | break; | |
258 | case var_auto_boolean: | |
259 | { | |
260 | enum auto_boolean val = parse_auto_binary_operation (arg); | |
261 | ||
262 | if (*(enum auto_boolean *) c->var != val) | |
263 | { | |
264 | *(enum auto_boolean *) c->var = val; | |
265 | ||
266 | option_changed = 1; | |
267 | } | |
268 | } | |
269 | break; | |
270 | case var_uinteger: | |
271 | case var_zuinteger: | |
5b9afe8a | 272 | { |
ef0026f0 PA |
273 | LONGEST val; |
274 | ||
275 | if (arg == NULL) | |
276 | error_no_arg (_("integer to set it to.")); | |
277 | val = parse_and_eval_long (arg); | |
5b9afe8a YQ |
278 | |
279 | if (c->var_type == var_uinteger && val == 0) | |
280 | val = UINT_MAX; | |
82b821e9 PA |
281 | else if (val < 0 |
282 | /* For var_uinteger, don't let the user set the value | |
283 | to UINT_MAX directly, as that exposes an | |
284 | implementation detail to the user interface. */ | |
285 | || (c->var_type == var_uinteger && val >= UINT_MAX) | |
286 | || (c->var_type == var_zuinteger && val > UINT_MAX)) | |
ef0026f0 | 287 | error (_("integer %s out of range"), plongest (val)); |
5b9afe8a YQ |
288 | |
289 | if (*(unsigned int *) c->var != val) | |
290 | { | |
291 | *(unsigned int *) c->var = val; | |
292 | ||
293 | option_changed = 1; | |
294 | } | |
295 | } | |
296 | break; | |
297 | case var_integer: | |
298 | case var_zinteger: | |
299 | { | |
ef0026f0 | 300 | LONGEST val; |
5b9afe8a YQ |
301 | |
302 | if (arg == NULL) | |
303 | error_no_arg (_("integer to set it to.")); | |
304 | val = parse_and_eval_long (arg); | |
ef0026f0 | 305 | |
5b9afe8a YQ |
306 | if (val == 0 && c->var_type == var_integer) |
307 | val = INT_MAX; | |
82b821e9 PA |
308 | else if (val < INT_MIN |
309 | /* For var_integer, don't let the user set the value | |
310 | to INT_MAX directly, as that exposes an | |
311 | implementation detail to the user interface. */ | |
312 | || (c->var_type == var_integer && val >= INT_MAX) | |
313 | || (c->var_type == var_zinteger && val > INT_MAX)) | |
ef0026f0 | 314 | error (_("integer %s out of range"), plongest (val)); |
5b9afe8a YQ |
315 | |
316 | if (*(int *) c->var != val) | |
d318976c | 317 | { |
5b9afe8a YQ |
318 | *(int *) c->var = val; |
319 | ||
320 | option_changed = 1; | |
321 | } | |
322 | break; | |
323 | } | |
324 | case var_enum: | |
325 | { | |
326 | int i; | |
327 | int len; | |
328 | int nmatches; | |
329 | const char *match = NULL; | |
330 | char *p; | |
331 | ||
332 | /* If no argument was supplied, print an informative error | |
333 | message. */ | |
334 | if (arg == NULL) | |
335 | { | |
336 | char *msg; | |
337 | int msg_len = 0; | |
338 | ||
339 | for (i = 0; c->enums[i]; i++) | |
340 | msg_len += strlen (c->enums[i]) + 2; | |
341 | ||
342 | msg = xmalloc (msg_len); | |
343 | *msg = '\0'; | |
344 | make_cleanup (xfree, msg); | |
345 | ||
346 | for (i = 0; c->enums[i]; i++) | |
d318976c | 347 | { |
5b9afe8a YQ |
348 | if (i != 0) |
349 | strcat (msg, ", "); | |
350 | strcat (msg, c->enums[i]); | |
d318976c | 351 | } |
5b9afe8a YQ |
352 | error (_("Requires an argument. Valid arguments are %s."), |
353 | msg); | |
354 | } | |
d318976c | 355 | |
5b9afe8a | 356 | p = strchr (arg, ' '); |
d318976c | 357 | |
5b9afe8a YQ |
358 | if (p) |
359 | len = p - arg; | |
360 | else | |
361 | len = strlen (arg); | |
d318976c | 362 | |
5b9afe8a YQ |
363 | nmatches = 0; |
364 | for (i = 0; c->enums[i]; i++) | |
365 | if (strncmp (arg, c->enums[i], len) == 0) | |
366 | { | |
367 | if (c->enums[i][len] == '\0') | |
368 | { | |
369 | match = c->enums[i]; | |
370 | nmatches = 1; | |
371 | break; /* Exact match. */ | |
372 | } | |
373 | else | |
d318976c | 374 | { |
5b9afe8a YQ |
375 | match = c->enums[i]; |
376 | nmatches++; | |
d318976c | 377 | } |
5b9afe8a | 378 | } |
d318976c | 379 | |
5b9afe8a YQ |
380 | if (nmatches <= 0) |
381 | error (_("Undefined item: \"%s\"."), arg); | |
d318976c | 382 | |
5b9afe8a YQ |
383 | if (nmatches > 1) |
384 | error (_("Ambiguous item \"%s\"."), arg); | |
d318976c | 385 | |
5b9afe8a YQ |
386 | if (*(const char **) c->var != match) |
387 | { | |
d318976c | 388 | *(const char **) c->var = match; |
5b9afe8a YQ |
389 | |
390 | option_changed = 1; | |
d318976c | 391 | } |
5b9afe8a YQ |
392 | } |
393 | break; | |
6fc1c773 YQ |
394 | case var_zuinteger_unlimited: |
395 | { | |
396 | LONGEST val; | |
397 | ||
398 | if (arg == NULL) | |
399 | error_no_arg (_("integer to set it to.")); | |
400 | val = parse_and_eval_long (arg); | |
401 | ||
ef0026f0 | 402 | if (val > INT_MAX) |
6fc1c773 YQ |
403 | error (_("integer %s out of range"), plongest (val)); |
404 | else if (val < -1) | |
405 | error (_("only -1 is allowed to set as unlimited")); | |
406 | ||
407 | if (*(int *) c->var != val) | |
408 | { | |
409 | *(int *) c->var = val; | |
410 | option_changed = 1; | |
411 | } | |
412 | } | |
413 | break; | |
5b9afe8a YQ |
414 | default: |
415 | error (_("gdb internal error: bad var_type in do_setshow_command")); | |
d318976c | 416 | } |
5b9afe8a YQ |
417 | c->func (c, NULL, from_tty); |
418 | if (deprecated_set_hook) | |
419 | deprecated_set_hook (c); | |
420 | ||
421 | if (notify_command_param_changed_p (option_changed, c)) | |
d318976c | 422 | { |
5b9afe8a YQ |
423 | char *name, *cp; |
424 | struct cmd_list_element **cmds; | |
425 | struct cmd_list_element *p; | |
426 | int i; | |
427 | int length = 0; | |
428 | ||
429 | /* Compute the whole multi-word command options. If user types command | |
430 | 'set foo bar baz on', c->name is 'baz', and GDB can't pass "bar" to | |
431 | command option change notification, because it is confusing. We can | |
432 | trace back through field 'prefix' to compute the whole options, | |
433 | and pass "foo bar baz" to notification. */ | |
434 | ||
435 | for (i = 0, p = c; p != NULL; i++) | |
436 | { | |
437 | length += strlen (p->name); | |
438 | length++; | |
439 | ||
440 | p = p->prefix; | |
441 | } | |
442 | cp = name = xmalloc (length); | |
443 | cmds = xmalloc (sizeof (struct cmd_list_element *) * i); | |
444 | ||
445 | /* Track back through filed 'prefix' and cache them in CMDS. */ | |
446 | for (i = 0, p = c; p != NULL; i++) | |
447 | { | |
448 | cmds[i] = p; | |
449 | p = p->prefix; | |
450 | } | |
451 | ||
452 | /* Don't trigger any observer notification if prefixlist is not | |
453 | setlist. */ | |
454 | i--; | |
455 | if (cmds[i]->prefixlist != &setlist) | |
456 | { | |
457 | xfree (cmds); | |
458 | xfree (name); | |
459 | ||
460 | return; | |
461 | } | |
462 | /* Traverse them in the reversed order, and copy their names into | |
463 | NAME. */ | |
464 | for (i--; i >= 0; i--) | |
465 | { | |
466 | memcpy (cp, cmds[i]->name, strlen (cmds[i]->name)); | |
467 | cp += strlen (cmds[i]->name); | |
d318976c | 468 | |
5b9afe8a YQ |
469 | if (i != 0) |
470 | { | |
471 | cp[0] = ' '; | |
472 | cp++; | |
473 | } | |
474 | } | |
475 | cp[0] = 0; | |
d318976c | 476 | |
5b9afe8a | 477 | xfree (cmds); |
552c04a7 | 478 | |
d318976c FN |
479 | switch (c->var_type) |
480 | { | |
481 | case var_string: | |
d318976c FN |
482 | case var_string_noescape: |
483 | case var_filename: | |
5b9afe8a | 484 | case var_optional_filename: |
d318976c | 485 | case var_enum: |
5b9afe8a | 486 | observer_notify_command_param_changed (name, *(char **) c->var); |
d318976c FN |
487 | break; |
488 | case var_boolean: | |
5b9afe8a YQ |
489 | { |
490 | char *opt = *(int *) c->var ? "on" : "off"; | |
491 | ||
492 | observer_notify_command_param_changed (name, opt); | |
493 | } | |
d318976c FN |
494 | break; |
495 | case var_auto_boolean: | |
5b9afe8a YQ |
496 | { |
497 | const char *s = auto_boolean_enums[*(enum auto_boolean *) c->var]; | |
498 | ||
499 | observer_notify_command_param_changed (name, s); | |
500 | } | |
d318976c FN |
501 | break; |
502 | case var_uinteger: | |
1e8fb976 | 503 | case var_zuinteger: |
5b9afe8a YQ |
504 | { |
505 | char s[64]; | |
506 | ||
507 | xsnprintf (s, sizeof s, "%u", *(unsigned int *) c->var); | |
508 | observer_notify_command_param_changed (name, s); | |
509 | } | |
d318976c FN |
510 | break; |
511 | case var_integer: | |
a40a111f | 512 | case var_zinteger: |
6fc1c773 | 513 | case var_zuinteger_unlimited: |
5b9afe8a YQ |
514 | { |
515 | char s[64]; | |
d318976c | 516 | |
5b9afe8a YQ |
517 | xsnprintf (s, sizeof s, "%d", *(int *) c->var); |
518 | observer_notify_command_param_changed (name, s); | |
519 | } | |
520 | break; | |
d318976c | 521 | } |
5b9afe8a YQ |
522 | xfree (name); |
523 | } | |
524 | } | |
899506a8 | 525 | |
5b9afe8a YQ |
526 | /* Do a "show" command. ARG is NULL if no argument, or the |
527 | text of the argument, and FROM_TTY is nonzero if this command is | |
528 | being entered directly by the user (i.e. these are just like any | |
529 | other command). C is the command list element for the command. */ | |
899506a8 | 530 | |
5b9afe8a YQ |
531 | void |
532 | do_show_command (char *arg, int from_tty, struct cmd_list_element *c) | |
533 | { | |
534 | struct ui_out *uiout = current_uiout; | |
535 | struct cleanup *old_chain; | |
536 | struct ui_file *stb; | |
899506a8 | 537 | |
5b9afe8a YQ |
538 | gdb_assert (c->type == show_cmd); |
539 | ||
540 | stb = mem_fileopen (); | |
541 | old_chain = make_cleanup_ui_file_delete (stb); | |
cdb27c12 | 542 | |
5b9afe8a YQ |
543 | /* Possibly call the pre hook. */ |
544 | if (c->pre_show_hook) | |
545 | (c->pre_show_hook) (c); | |
546 | ||
547 | switch (c->var_type) | |
548 | { | |
549 | case var_string: | |
550 | if (*(char **) c->var) | |
551 | fputstr_filtered (*(char **) c->var, '"', stb); | |
552 | break; | |
553 | case var_string_noescape: | |
554 | case var_optional_filename: | |
555 | case var_filename: | |
556 | case var_enum: | |
557 | if (*(char **) c->var) | |
558 | fputs_filtered (*(char **) c->var, stb); | |
559 | break; | |
560 | case var_boolean: | |
561 | fputs_filtered (*(int *) c->var ? "on" : "off", stb); | |
562 | break; | |
563 | case var_auto_boolean: | |
564 | switch (*(enum auto_boolean*) c->var) | |
565 | { | |
566 | case AUTO_BOOLEAN_TRUE: | |
567 | fputs_filtered ("on", stb); | |
568 | break; | |
569 | case AUTO_BOOLEAN_FALSE: | |
570 | fputs_filtered ("off", stb); | |
571 | break; | |
572 | case AUTO_BOOLEAN_AUTO: | |
573 | fputs_filtered ("auto", stb); | |
574 | break; | |
575 | default: | |
576 | internal_error (__FILE__, __LINE__, | |
577 | _("do_show_command: " | |
578 | "invalid var_auto_boolean")); | |
579 | break; | |
899506a8 | 580 | } |
5b9afe8a YQ |
581 | break; |
582 | case var_uinteger: | |
583 | case var_zuinteger: | |
584 | if (c->var_type == var_uinteger | |
585 | && *(unsigned int *) c->var == UINT_MAX) | |
586 | fputs_filtered ("unlimited", stb); | |
587 | else | |
588 | fprintf_filtered (stb, "%u", *(unsigned int *) c->var); | |
589 | break; | |
590 | case var_integer: | |
591 | case var_zinteger: | |
592 | if (c->var_type == var_integer | |
593 | && *(int *) c->var == INT_MAX) | |
594 | fputs_filtered ("unlimited", stb); | |
595 | else | |
596 | fprintf_filtered (stb, "%d", *(int *) c->var); | |
597 | break; | |
6fc1c773 YQ |
598 | case var_zuinteger_unlimited: |
599 | { | |
600 | if (*(int *) c->var == -1) | |
601 | fputs_filtered ("unlimited", stb); | |
602 | else | |
ef0026f0 | 603 | fprintf_filtered (stb, "%d", *(int *) c->var); |
6fc1c773 YQ |
604 | } |
605 | break; | |
5b9afe8a YQ |
606 | default: |
607 | error (_("gdb internal error: bad var_type in do_show_command")); | |
d318976c | 608 | } |
5b9afe8a YQ |
609 | |
610 | ||
611 | /* FIXME: cagney/2005-02-10: Need to split this in half: code to | |
612 | convert the value into a string (esentially the above); and | |
613 | code to print the value out. For the latter there should be | |
614 | MI and CLI specific versions. */ | |
615 | ||
616 | if (ui_out_is_mi_like_p (uiout)) | |
617 | ui_out_field_stream (uiout, "value", stb); | |
d318976c | 618 | else |
5b9afe8a YQ |
619 | { |
620 | char *value = ui_file_xstrdup (stb, NULL); | |
621 | ||
622 | make_cleanup (xfree, value); | |
623 | if (c->show_value_func != NULL) | |
624 | c->show_value_func (gdb_stdout, from_tty, c, value); | |
625 | else | |
626 | deprecated_show_value_hack (gdb_stdout, from_tty, c, value); | |
627 | } | |
628 | do_cleanups (old_chain); | |
629 | ||
9f60d481 | 630 | c->func (c, NULL, from_tty); |
d318976c FN |
631 | } |
632 | ||
633 | /* Show all the settings in a list of show commands. */ | |
634 | ||
635 | void | |
636 | cmd_show_list (struct cmd_list_element *list, int from_tty, char *prefix) | |
637 | { | |
3b31d625 | 638 | struct cleanup *showlist_chain; |
79a45e25 | 639 | struct ui_out *uiout = current_uiout; |
3b31d625 EZ |
640 | |
641 | showlist_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "showlist"); | |
d318976c FN |
642 | for (; list != NULL; list = list->next) |
643 | { | |
644 | /* If we find a prefix, run its list, prefixing our output by its | |
645 | prefix (with "show " skipped). */ | |
d318976c FN |
646 | if (list->prefixlist && !list->abbrev_flag) |
647 | { | |
3b31d625 EZ |
648 | struct cleanup *optionlist_chain |
649 | = make_cleanup_ui_out_tuple_begin_end (uiout, "optionlist"); | |
37fc812e | 650 | char *new_prefix = strstr (list->prefixname, "show ") + 5; |
cdb27c12 | 651 | |
37fc812e DJ |
652 | if (ui_out_is_mi_like_p (uiout)) |
653 | ui_out_field_string (uiout, "prefix", new_prefix); | |
654 | cmd_show_list (*list->prefixlist, from_tty, new_prefix); | |
3b31d625 EZ |
655 | /* Close the tuple. */ |
656 | do_cleanups (optionlist_chain); | |
d318976c | 657 | } |
427c3a89 | 658 | else |
d318976c | 659 | { |
db5f229b MS |
660 | if (list->class != no_set_class) |
661 | { | |
662 | struct cleanup *option_chain | |
663 | = make_cleanup_ui_out_tuple_begin_end (uiout, "option"); | |
664 | ||
665 | ui_out_text (uiout, prefix); | |
666 | ui_out_field_string (uiout, "name", list->name); | |
667 | ui_out_text (uiout, ": "); | |
668 | if (list->type == show_cmd) | |
5b9afe8a | 669 | do_show_command ((char *) NULL, from_tty, list); |
db5f229b MS |
670 | else |
671 | cmd_func (list, NULL, from_tty); | |
672 | /* Close the tuple. */ | |
673 | do_cleanups (option_chain); | |
674 | } | |
d318976c | 675 | } |
d318976c | 676 | } |
3b31d625 EZ |
677 | /* Close the tuple. */ |
678 | do_cleanups (showlist_chain); | |
d318976c FN |
679 | } |
680 |