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c906108c | 1 | /* Handle lists of commands, their decoding and documentation, for GDB. |
8926118c | 2 | |
4a94e368 | 3 | Copyright (C) 1986-2022 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b JM |
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 |
c5aa993b | 8 | (at your option) any later version. |
c906108c | 9 | |
c5aa993b JM |
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. | |
c906108c | 14 | |
c5aa993b | 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/>. */ |
c906108c SS |
17 | |
18 | #include "defs.h" | |
c906108c | 19 | #include "symtab.h" |
c906108c | 20 | #include <ctype.h> |
d322d6d6 | 21 | #include "gdbsupport/gdb_regex.h" |
f397e303 | 22 | #include "completer.h" |
8b93c638 | 23 | #include "ui-out.h" |
d318976c FN |
24 | #include "cli/cli-cmds.h" |
25 | #include "cli/cli-decode.h" | |
66d8c862 | 26 | #include "cli/cli-style.h" |
268a13a5 | 27 | #include "gdbsupport/gdb_optional.h" |
b2875cc0 | 28 | |
ebcd3b23 | 29 | /* Prototypes for local functions. */ |
c906108c | 30 | |
6f937416 | 31 | static void undef_cmd_error (const char *, const char *); |
c906108c | 32 | |
c471bdb1 SM |
33 | static cmd_list_element::aliases_list_type delete_cmd |
34 | (const char *name, cmd_list_element **list, cmd_list_element **prehook, | |
35 | cmd_list_element **prehookee, cmd_list_element **posthook, | |
36 | cmd_list_element **posthookee); | |
b05dcbb7 | 37 | |
6f937416 | 38 | static struct cmd_list_element *find_cmd (const char *command, |
a14ed312 KB |
39 | int len, |
40 | struct cmd_list_element *clist, | |
41 | int ignore_help_classes, | |
42 | int *nfound); | |
6837a0a2 | 43 | |
3b3aaacb PW |
44 | static void help_cmd_list (struct cmd_list_element *list, |
45 | enum command_class theclass, | |
46 | bool recurse, | |
47 | struct ui_file *stream); | |
48 | ||
c85871a3 | 49 | static void help_all (struct ui_file *stream); |
6e381ba0 | 50 | |
9ef6d4a1 AB |
51 | static int lookup_cmd_composition_1 (const char *text, |
52 | struct cmd_list_element **alias, | |
53 | struct cmd_list_element **prefix_cmd, | |
54 | struct cmd_list_element **cmd, | |
55 | struct cmd_list_element *cur_list); | |
56 | ||
14b42fc4 SM |
57 | /* Look up a command whose 'subcommands' field is SUBCOMMANDS. Return the |
58 | command if found, otherwise return NULL. */ | |
5b9afe8a YQ |
59 | |
60 | static struct cmd_list_element * | |
14b42fc4 SM |
61 | lookup_cmd_with_subcommands (cmd_list_element **subcommands, |
62 | cmd_list_element *list) | |
5b9afe8a YQ |
63 | { |
64 | struct cmd_list_element *p = NULL; | |
65 | ||
66 | for (p = list; p != NULL; p = p->next) | |
67 | { | |
68 | struct cmd_list_element *q; | |
69 | ||
3d0b3564 | 70 | if (!p->is_prefix ()) |
5b9afe8a | 71 | continue; |
3d0b3564 | 72 | |
14b42fc4 | 73 | else if (p->subcommands == subcommands) |
3f4d92eb PW |
74 | { |
75 | /* If we found an alias, we must return the aliased | |
76 | command. */ | |
1be99b11 | 77 | return p->is_alias () ? p->alias_target : p; |
3f4d92eb | 78 | } |
5b9afe8a | 79 | |
14b42fc4 | 80 | q = lookup_cmd_with_subcommands (subcommands, *(p->subcommands)); |
5b9afe8a YQ |
81 | if (q != NULL) |
82 | return q; | |
83 | } | |
84 | ||
85 | return NULL; | |
86 | } | |
87 | ||
6e381ba0 | 88 | static void |
eccd14b3 | 89 | print_help_for_command (const cmd_list_element &c, |
3b3aaacb | 90 | bool recurse, struct ui_file *stream); |
6e381ba0 | 91 | |
0450cc4c | 92 | static void |
5538b03c | 93 | do_simple_func (const char *args, int from_tty, cmd_list_element *c) |
0450cc4c | 94 | { |
3a553c80 | 95 | c->function.simple_func (args, from_tty); |
0450cc4c TT |
96 | } |
97 | ||
c2252c0d | 98 | static void |
3a553c80 | 99 | set_cmd_simple_func (struct cmd_list_element *cmd, cmd_simple_func_ftype *simple_func) |
0450cc4c | 100 | { |
3a553c80 | 101 | if (simple_func == NULL) |
0450cc4c TT |
102 | cmd->func = NULL; |
103 | else | |
3a553c80 SM |
104 | cmd->func = do_simple_func; |
105 | ||
106 | cmd->function.simple_func = simple_func; | |
9f60d481 AC |
107 | } |
108 | ||
0450cc4c | 109 | int |
3a553c80 | 110 | cmd_simple_func_eq (struct cmd_list_element *cmd, cmd_simple_func_ftype *simple_func) |
0450cc4c | 111 | { |
3a553c80 SM |
112 | return (cmd->func == do_simple_func |
113 | && cmd->function.simple_func == simple_func); | |
0450cc4c TT |
114 | } |
115 | ||
5ba2abeb | 116 | void |
625e8578 | 117 | set_cmd_completer (struct cmd_list_element *cmd, completer_ftype *completer) |
5ba2abeb AC |
118 | { |
119 | cmd->completer = completer; /* Ok. */ | |
120 | } | |
121 | ||
7d793aa9 SDJ |
122 | /* See definition in commands.h. */ |
123 | ||
124 | void | |
125 | set_cmd_completer_handle_brkchars (struct cmd_list_element *cmd, | |
6e1dbf8c | 126 | completer_handle_brkchars_ftype *func) |
7d793aa9 | 127 | { |
6e1dbf8c | 128 | cmd->completer_handle_brkchars = func; |
7d793aa9 SDJ |
129 | } |
130 | ||
413b49c2 SM |
131 | std::string |
132 | cmd_list_element::prefixname () const | |
133 | { | |
3d0b3564 | 134 | if (!this->is_prefix ()) |
413b49c2 SM |
135 | /* Not a prefix command. */ |
136 | return ""; | |
137 | ||
138 | std::string prefixname; | |
139 | if (this->prefix != nullptr) | |
140 | prefixname = this->prefix->prefixname (); | |
141 | ||
142 | prefixname += this->name; | |
143 | prefixname += " "; | |
144 | ||
145 | return prefixname; | |
146 | } | |
147 | ||
bbea6807 AB |
148 | /* See cli/cli-decode.h. */ |
149 | ||
150 | std::vector<std::string> | |
151 | cmd_list_element::command_components () const | |
152 | { | |
153 | std::vector<std::string> result; | |
154 | ||
155 | if (this->prefix != nullptr) | |
156 | result = this->prefix->command_components (); | |
157 | ||
158 | result.emplace_back (std::string (this->name)); | |
159 | return result; | |
160 | } | |
161 | ||
c906108c | 162 | /* Add element named NAME. |
bc587a6b | 163 | Space for NAME and DOC must be allocated by the caller. |
c906108c SS |
164 | CLASS is the top level category into which commands are broken down |
165 | for "help" purposes. | |
166 | FUN should be the function to execute the command; | |
167 | it will get a character string as argument, with leading | |
168 | and trailing blanks already eliminated. | |
169 | ||
170 | DOC is a documentation string for the command. | |
171 | Its first line should be a complete sentence. | |
172 | It should start with ? for a command that is an abbreviation | |
173 | or with * for a command that most users don't need to know about. | |
174 | ||
ebcd3b23 | 175 | Add this command to command list *LIST. |
c906108c SS |
176 | |
177 | Returns a pointer to the added command (not necessarily the head | |
ebcd3b23 | 178 | of *LIST). */ |
c906108c | 179 | |
0450cc4c TT |
180 | static struct cmd_list_element * |
181 | do_add_cmd (const char *name, enum command_class theclass, | |
182 | const char *doc, struct cmd_list_element **list) | |
c906108c | 183 | { |
e2fc72e2 TT |
184 | struct cmd_list_element *c = new struct cmd_list_element (name, theclass, |
185 | doc); | |
c906108c | 186 | |
b05dcbb7 TT |
187 | /* Turn each alias of the old command into an alias of the new |
188 | command. */ | |
fad6eecd TT |
189 | c->aliases = delete_cmd (name, list, &c->hook_pre, &c->hookee_pre, |
190 | &c->hook_post, &c->hookee_post); | |
c471bdb1 SM |
191 | |
192 | for (cmd_list_element &alias : c->aliases) | |
193 | alias.alias_target = c; | |
194 | ||
fad6eecd TT |
195 | if (c->hook_pre) |
196 | c->hook_pre->hookee_pre = c; | |
c471bdb1 | 197 | |
fad6eecd TT |
198 | if (c->hookee_pre) |
199 | c->hookee_pre->hook_pre = c; | |
c471bdb1 | 200 | |
fad6eecd TT |
201 | if (c->hook_post) |
202 | c->hook_post->hookee_post = c; | |
c471bdb1 | 203 | |
fad6eecd TT |
204 | if (c->hookee_post) |
205 | c->hookee_post->hook_post = c; | |
c906108c | 206 | |
494b7ec9 | 207 | if (*list == NULL || strcmp ((*list)->name, name) >= 0) |
c906108c SS |
208 | { |
209 | c->next = *list; | |
210 | *list = c; | |
211 | } | |
212 | else | |
213 | { | |
c471bdb1 | 214 | cmd_list_element *p = *list; |
494b7ec9 | 215 | while (p->next && strcmp (p->next->name, name) <= 0) |
c5aa993b JM |
216 | { |
217 | p = p->next; | |
218 | } | |
c906108c SS |
219 | c->next = p->next; |
220 | p->next = c; | |
221 | } | |
222 | ||
3f4d92eb PW |
223 | /* Search the prefix cmd of C, and assigns it to C->prefix. |
224 | See also add_prefix_cmd and update_prefix_field_of_prefixed_commands. */ | |
14b42fc4 | 225 | cmd_list_element *prefixcmd = lookup_cmd_with_subcommands (list, cmdlist); |
3f4d92eb PW |
226 | c->prefix = prefixcmd; |
227 | ||
228 | ||
c906108c SS |
229 | return c; |
230 | } | |
231 | ||
0450cc4c TT |
232 | struct cmd_list_element * |
233 | add_cmd (const char *name, enum command_class theclass, | |
234 | const char *doc, struct cmd_list_element **list) | |
235 | { | |
236 | cmd_list_element *result = do_add_cmd (name, theclass, doc, list); | |
237 | result->func = NULL; | |
3a553c80 | 238 | result->function.simple_func = NULL; |
0450cc4c TT |
239 | return result; |
240 | } | |
241 | ||
242 | struct cmd_list_element * | |
243 | add_cmd (const char *name, enum command_class theclass, | |
3a553c80 | 244 | cmd_simple_func_ftype *fun, |
0450cc4c TT |
245 | const char *doc, struct cmd_list_element **list) |
246 | { | |
247 | cmd_list_element *result = do_add_cmd (name, theclass, doc, list); | |
3a553c80 | 248 | set_cmd_simple_func (result, fun); |
0450cc4c TT |
249 | return result; |
250 | } | |
251 | ||
f67ffa6a AB |
252 | /* Add an element with a suppress notification to the LIST of commands. */ |
253 | ||
254 | struct cmd_list_element * | |
255 | add_cmd_suppress_notification (const char *name, enum command_class theclass, | |
3a553c80 | 256 | cmd_simple_func_ftype *fun, const char *doc, |
f67ffa6a | 257 | struct cmd_list_element **list, |
f36c8918 | 258 | bool *suppress_notification) |
f67ffa6a AB |
259 | { |
260 | struct cmd_list_element *element; | |
261 | ||
262 | element = add_cmd (name, theclass, fun, doc, list); | |
263 | element->suppress_notification = suppress_notification; | |
264 | ||
265 | return element; | |
266 | } | |
267 | ||
268 | ||
56382845 | 269 | /* Deprecates a command CMD. |
ebcd3b23 MS |
270 | REPLACEMENT is the name of the command which should be used in |
271 | place of this command, or NULL if no such command exists. | |
56382845 FN |
272 | |
273 | This function does not check to see if command REPLACEMENT exists | |
ebcd3b23 MS |
274 | since gdb may not have gotten around to adding REPLACEMENT when |
275 | this function is called. | |
56382845 FN |
276 | |
277 | Returns a pointer to the deprecated command. */ | |
278 | ||
279 | struct cmd_list_element * | |
429e55ea | 280 | deprecate_cmd (struct cmd_list_element *cmd, const char *replacement) |
56382845 | 281 | { |
1f2bdf09 TT |
282 | cmd->cmd_deprecated = 1; |
283 | cmd->deprecated_warn_user = 1; | |
56382845 FN |
284 | |
285 | if (replacement != NULL) | |
286 | cmd->replacement = replacement; | |
287 | else | |
288 | cmd->replacement = NULL; | |
289 | ||
290 | return cmd; | |
291 | } | |
292 | ||
c906108c | 293 | struct cmd_list_element * |
99858724 | 294 | add_alias_cmd (const char *name, cmd_list_element *target, |
21873064 YQ |
295 | enum command_class theclass, int abbrev_flag, |
296 | struct cmd_list_element **list) | |
c906108c | 297 | { |
99858724 | 298 | gdb_assert (target != nullptr); |
c906108c | 299 | |
99858724 | 300 | struct cmd_list_element *c = add_cmd (name, theclass, target->doc, list); |
5bc81a00 | 301 | |
99858724 SM |
302 | /* If TARGET->DOC can be freed, we should make another copy. */ |
303 | if (target->doc_allocated) | |
5bc81a00 | 304 | { |
99858724 | 305 | c->doc = xstrdup (target->doc); |
1f2bdf09 | 306 | c->doc_allocated = 1; |
5bc81a00 | 307 | } |
9f60d481 | 308 | /* NOTE: Both FUNC and all the FUNCTIONs need to be copied. */ |
99858724 SM |
309 | c->func = target->func; |
310 | c->function = target->function; | |
311 | c->subcommands = target->subcommands; | |
312 | c->allow_unknown = target->allow_unknown; | |
c906108c | 313 | c->abbrev_flag = abbrev_flag; |
99858724 | 314 | c->alias_target = target; |
c471bdb1 | 315 | target->aliases.push_front (*c); |
5b9afe8a | 316 | |
c906108c SS |
317 | return c; |
318 | } | |
319 | ||
3f4d92eb PW |
320 | /* Update the prefix field of all sub-commands of the prefix command C. |
321 | We must do this when a prefix command is defined as the GDB init sequence | |
322 | does not guarantee that a prefix command is created before its sub-commands. | |
323 | For example, break-catch-sig.c initialization runs before breakpoint.c | |
324 | initialization, but it is breakpoint.c that creates the "catch" command used | |
325 | by the "catch signal" command created by break-catch-sig.c. */ | |
326 | ||
327 | static void | |
328 | update_prefix_field_of_prefixed_commands (struct cmd_list_element *c) | |
329 | { | |
14b42fc4 | 330 | for (cmd_list_element *p = *c->subcommands; p != NULL; p = p->next) |
3f4d92eb PW |
331 | { |
332 | p->prefix = c; | |
333 | ||
334 | /* We must recursively update the prefix field to cover | |
335 | e.g. 'info auto-load libthread-db' where the creation | |
336 | order was: | |
dda83cd7 SM |
337 | libthread-db |
338 | auto-load | |
339 | info | |
3f4d92eb | 340 | In such a case, when 'auto-load' was created by do_add_cmd, |
dda83cd7 | 341 | the 'libthread-db' prefix field could not be updated, as the |
3f4d92eb | 342 | 'auto-load' command was not yet reachable by |
14b42fc4 | 343 | lookup_cmd_for_subcommands (list, cmdlist) |
3f4d92eb | 344 | that searches from the top level 'cmdlist'. */ |
3d0b3564 | 345 | if (p->is_prefix ()) |
3f4d92eb PW |
346 | update_prefix_field_of_prefixed_commands (p); |
347 | } | |
348 | } | |
349 | ||
350 | ||
ebcd3b23 MS |
351 | /* Like add_cmd but adds an element for a command prefix: a name that |
352 | should be followed by a subcommand to be looked up in another | |
14b42fc4 | 353 | command list. SUBCOMMANDS should be the address of the variable |
ebcd3b23 | 354 | containing that list. */ |
c906108c SS |
355 | |
356 | struct cmd_list_element * | |
fe978cb0 | 357 | add_prefix_cmd (const char *name, enum command_class theclass, |
3a553c80 | 358 | cmd_simple_func_ftype *fun, |
14b42fc4 | 359 | const char *doc, struct cmd_list_element **subcommands, |
2f822da5 | 360 | int allow_unknown, struct cmd_list_element **list) |
c906108c | 361 | { |
fe978cb0 | 362 | struct cmd_list_element *c = add_cmd (name, theclass, fun, doc, list); |
cdb27c12 | 363 | |
14b42fc4 | 364 | c->subcommands = subcommands; |
c906108c | 365 | c->allow_unknown = allow_unknown; |
5b9afe8a | 366 | |
3f4d92eb PW |
367 | /* Now that prefix command C is defined, we need to set the prefix field |
368 | of all prefixed commands that were defined before C itself was defined. */ | |
369 | update_prefix_field_of_prefixed_commands (c); | |
5b9afe8a | 370 | |
c906108c SS |
371 | return c; |
372 | } | |
373 | ||
0743fc83 TT |
374 | /* A helper function for add_basic_prefix_cmd. This is a command |
375 | function that just forwards to help_list. */ | |
376 | ||
377 | static void | |
378 | do_prefix_cmd (const char *args, int from_tty, struct cmd_list_element *c) | |
379 | { | |
380 | /* Look past all aliases. */ | |
1be99b11 | 381 | while (c->is_alias ()) |
99858724 | 382 | c = c->alias_target; |
0743fc83 | 383 | |
14b42fc4 | 384 | help_list (*c->subcommands, c->prefixname ().c_str (), |
2f822da5 | 385 | all_commands, gdb_stdout); |
0743fc83 TT |
386 | } |
387 | ||
388 | /* See command.h. */ | |
389 | ||
390 | struct cmd_list_element * | |
391 | add_basic_prefix_cmd (const char *name, enum command_class theclass, | |
14b42fc4 | 392 | const char *doc, struct cmd_list_element **subcommands, |
2f822da5 | 393 | int allow_unknown, struct cmd_list_element **list) |
0743fc83 TT |
394 | { |
395 | struct cmd_list_element *cmd = add_prefix_cmd (name, theclass, nullptr, | |
14b42fc4 | 396 | doc, subcommands, |
0743fc83 | 397 | allow_unknown, list); |
5538b03c | 398 | cmd->func = do_prefix_cmd; |
0743fc83 TT |
399 | return cmd; |
400 | } | |
401 | ||
402 | /* A helper function for add_show_prefix_cmd. This is a command | |
403 | function that just forwards to cmd_show_list. */ | |
404 | ||
405 | static void | |
406 | do_show_prefix_cmd (const char *args, int from_tty, struct cmd_list_element *c) | |
407 | { | |
14b42fc4 | 408 | cmd_show_list (*c->subcommands, from_tty); |
0743fc83 TT |
409 | } |
410 | ||
411 | /* See command.h. */ | |
412 | ||
413 | struct cmd_list_element * | |
414 | add_show_prefix_cmd (const char *name, enum command_class theclass, | |
14b42fc4 | 415 | const char *doc, struct cmd_list_element **subcommands, |
2f822da5 | 416 | int allow_unknown, struct cmd_list_element **list) |
0743fc83 TT |
417 | { |
418 | struct cmd_list_element *cmd = add_prefix_cmd (name, theclass, nullptr, | |
14b42fc4 | 419 | doc, subcommands, |
0743fc83 | 420 | allow_unknown, list); |
5538b03c | 421 | cmd->func = do_show_prefix_cmd; |
0743fc83 TT |
422 | return cmd; |
423 | } | |
424 | ||
f54bdb6d SM |
425 | /* See command.h. */ |
426 | ||
427 | set_show_commands | |
428 | add_setshow_prefix_cmd (const char *name, command_class theclass, | |
429 | const char *set_doc, const char *show_doc, | |
430 | cmd_list_element **set_subcommands_list, | |
431 | cmd_list_element **show_subcommands_list, | |
432 | cmd_list_element **set_list, | |
433 | cmd_list_element **show_list) | |
434 | { | |
435 | set_show_commands cmds; | |
436 | ||
437 | cmds.set = add_basic_prefix_cmd (name, theclass, set_doc, | |
438 | set_subcommands_list, 0, | |
439 | set_list); | |
440 | cmds.show = add_show_prefix_cmd (name, theclass, show_doc, | |
441 | show_subcommands_list, 0, | |
442 | show_list); | |
443 | ||
444 | return cmds; | |
445 | } | |
446 | ||
f67ffa6a AB |
447 | /* Like ADD_PREFIX_CMD but sets the suppress_notification pointer on the |
448 | new command list element. */ | |
449 | ||
450 | struct cmd_list_element * | |
451 | add_prefix_cmd_suppress_notification | |
dda83cd7 | 452 | (const char *name, enum command_class theclass, |
3a553c80 | 453 | cmd_simple_func_ftype *fun, |
14b42fc4 | 454 | const char *doc, struct cmd_list_element **subcommands, |
2f822da5 | 455 | int allow_unknown, struct cmd_list_element **list, |
f36c8918 | 456 | bool *suppress_notification) |
f67ffa6a AB |
457 | { |
458 | struct cmd_list_element *element | |
14b42fc4 | 459 | = add_prefix_cmd (name, theclass, fun, doc, subcommands, |
2f822da5 | 460 | allow_unknown, list); |
f67ffa6a AB |
461 | element->suppress_notification = suppress_notification; |
462 | return element; | |
463 | } | |
464 | ||
ebcd3b23 | 465 | /* Like add_prefix_cmd but sets the abbrev_flag on the new command. */ |
c5aa993b | 466 | |
c906108c | 467 | struct cmd_list_element * |
fe978cb0 | 468 | add_abbrev_prefix_cmd (const char *name, enum command_class theclass, |
3a553c80 | 469 | cmd_simple_func_ftype *fun, const char *doc, |
14b42fc4 | 470 | struct cmd_list_element **subcommands, |
af1c1752 | 471 | int allow_unknown, struct cmd_list_element **list) |
c906108c | 472 | { |
fe978cb0 | 473 | struct cmd_list_element *c = add_cmd (name, theclass, fun, doc, list); |
cdb27c12 | 474 | |
14b42fc4 | 475 | c->subcommands = subcommands; |
c906108c SS |
476 | c->allow_unknown = allow_unknown; |
477 | c->abbrev_flag = 1; | |
478 | return c; | |
479 | } | |
480 | ||
3a553c80 | 481 | /* This is an empty "simple func". */ |
c906108c | 482 | void |
eb7c454d | 483 | not_just_help_class_command (const char *args, int from_tty) |
c906108c SS |
484 | { |
485 | } | |
486 | ||
5538b03c | 487 | /* This is an empty cmd func. */ |
c906108c SS |
488 | |
489 | static void | |
5538b03c | 490 | empty_func (const char *args, int from_tty, cmd_list_element *c) |
c906108c SS |
491 | { |
492 | } | |
493 | ||
b2875cc0 | 494 | /* Add element named NAME to command list LIST (the list for set/show |
c906108c | 495 | or some sublist thereof). |
b2875cc0 | 496 | TYPE is set_cmd or show_cmd. |
c906108c SS |
497 | CLASS is as in add_cmd. |
498 | VAR_TYPE is the kind of thing we are setting. | |
499 | VAR is address of the variable being controlled by this command. | |
70299171 LS |
500 | SET_SETTING_FUNC is a pointer to an optional function callback used to set |
501 | the setting value. | |
502 | GET_SETTING_FUNC is a pointer to an optional function callback used to get | |
503 | the setting value. | |
c906108c SS |
504 | DOC is the documentation string. */ |
505 | ||
b2875cc0 | 506 | static struct cmd_list_element * |
6f937416 | 507 | add_set_or_show_cmd (const char *name, |
b2875cc0 | 508 | enum cmd_types type, |
fe978cb0 | 509 | enum command_class theclass, |
b2875cc0 | 510 | var_types var_type, |
1d7fe7f0 | 511 | const setting::erased_args &arg, |
1947513d | 512 | const char *doc, |
b2875cc0 | 513 | struct cmd_list_element **list) |
c906108c | 514 | { |
0450cc4c | 515 | struct cmd_list_element *c = add_cmd (name, theclass, doc, list); |
cdb27c12 | 516 | |
b2875cc0 AC |
517 | gdb_assert (type == set_cmd || type == show_cmd); |
518 | c->type = type; | |
1d7fe7f0 LS |
519 | c->var.emplace (var_type, arg); |
520 | ||
e00d1dc8 | 521 | /* This needs to be something besides NULL so that this isn't |
c906108c | 522 | treated as a help class. */ |
5538b03c | 523 | c->func = empty_func; |
c906108c SS |
524 | return c; |
525 | } | |
526 | ||
e707bbc2 AC |
527 | /* Add element named NAME to both the command SET_LIST and SHOW_LIST. |
528 | CLASS is as in add_cmd. VAR_TYPE is the kind of thing we are | |
529 | setting. VAR is address of the variable being controlled by this | |
70299171 LS |
530 | command. If nullptr is given as VAR, then both SET_SETTING_FUNC and |
531 | GET_SETTING_FUNC must be provided. SET_SETTING_FUNC and GET_SETTING_FUNC are | |
532 | callbacks used to access and modify the underlying property, whatever its | |
533 | storage is. SET_FUNC and SHOW_FUNC are the callback functions (if non-NULL). | |
534 | SET_DOC, SHOW_DOC and HELP_DOC are the documentation strings. | |
e707bbc2 | 535 | |
af7f8f52 SM |
536 | Return the newly created set and show commands. */ |
537 | ||
538 | static set_show_commands | |
1d7fe7f0 LS |
539 | add_setshow_cmd_full_erased (const char *name, |
540 | enum command_class theclass, | |
541 | var_types var_type, | |
542 | const setting::erased_args &args, | |
543 | const char *set_doc, const char *show_doc, | |
544 | const char *help_doc, | |
545 | cmd_func_ftype *set_func, | |
546 | show_value_ftype *show_func, | |
547 | struct cmd_list_element **set_list, | |
548 | struct cmd_list_element **show_list) | |
e707bbc2 AC |
549 | { |
550 | struct cmd_list_element *set; | |
551 | struct cmd_list_element *show; | |
8579fd13 AB |
552 | gdb::unique_xmalloc_ptr<char> full_set_doc; |
553 | gdb::unique_xmalloc_ptr<char> full_show_doc; | |
be7d7357 AC |
554 | |
555 | if (help_doc != NULL) | |
556 | { | |
557 | full_set_doc = xstrprintf ("%s\n%s", set_doc, help_doc); | |
558 | full_show_doc = xstrprintf ("%s\n%s", show_doc, help_doc); | |
559 | } | |
560 | else | |
561 | { | |
8579fd13 AB |
562 | full_set_doc = make_unique_xstrdup (set_doc); |
563 | full_show_doc = make_unique_xstrdup (show_doc); | |
be7d7357 | 564 | } |
1d7fe7f0 | 565 | set = add_set_or_show_cmd (name, set_cmd, theclass, var_type, args, |
8579fd13 | 566 | full_set_doc.release (), set_list); |
1f2bdf09 | 567 | set->doc_allocated = 1; |
5bc81a00 | 568 | |
e707bbc2 | 569 | if (set_func != NULL) |
5538b03c | 570 | set->func = set_func; |
5b9afe8a | 571 | |
1d7fe7f0 | 572 | show = add_set_or_show_cmd (name, show_cmd, theclass, var_type, args, |
8579fd13 | 573 | full_show_doc.release (), show_list); |
1f2bdf09 | 574 | show->doc_allocated = 1; |
08546159 | 575 | show->show_value_func = show_func; |
597bf39d PA |
576 | /* Disable the default symbol completer. Doesn't make much sense |
577 | for the "show" command to complete on anything. */ | |
578 | set_cmd_completer (show, nullptr); | |
9f064c95 | 579 | |
af7f8f52 | 580 | return {set, show}; |
9f064c95 TT |
581 | } |
582 | ||
1d7fe7f0 LS |
583 | template<typename T> |
584 | static set_show_commands | |
585 | add_setshow_cmd_full (const char *name, | |
586 | enum command_class theclass, | |
587 | var_types var_type, T *var, | |
588 | const char *set_doc, const char *show_doc, | |
589 | const char *help_doc, | |
fcef6471 SM |
590 | typename setting_func_types<T>::set set_setting_func, |
591 | typename setting_func_types<T>::get get_setting_func, | |
1d7fe7f0 LS |
592 | cmd_func_ftype *set_func, |
593 | show_value_ftype *show_func, | |
594 | struct cmd_list_element **set_list, | |
595 | struct cmd_list_element **show_list) | |
596 | { | |
597 | auto erased_args | |
70299171 LS |
598 | = setting::erase_args (var_type, var, |
599 | set_setting_func, get_setting_func); | |
1d7fe7f0 LS |
600 | |
601 | return add_setshow_cmd_full_erased (name, | |
602 | theclass, | |
603 | var_type, erased_args, | |
604 | set_doc, show_doc, | |
605 | help_doc, | |
606 | set_func, | |
607 | show_func, | |
608 | set_list, | |
609 | show_list); | |
610 | } | |
611 | ||
1b295c3d AC |
612 | /* Add element named NAME to command list LIST (the list for set or |
613 | some sublist thereof). CLASS is as in add_cmd. ENUMLIST is a list | |
614 | of strings which may follow NAME. VAR is address of the variable | |
615 | which will contain the matching string (from ENUMLIST). */ | |
616 | ||
af7f8f52 | 617 | set_show_commands |
6f937416 | 618 | add_setshow_enum_cmd (const char *name, |
fe978cb0 | 619 | enum command_class theclass, |
40478521 | 620 | const char *const *enumlist, |
1b295c3d AC |
621 | const char **var, |
622 | const char *set_doc, | |
623 | const char *show_doc, | |
624 | const char *help_doc, | |
5538b03c | 625 | cmd_func_ftype *set_func, |
08546159 | 626 | show_value_ftype *show_func, |
1b295c3d | 627 | struct cmd_list_element **set_list, |
4c0ba02a | 628 | struct cmd_list_element **show_list) |
1b295c3d | 629 | { |
dedb7102 TT |
630 | /* We require *VAR to be initialized before this call, and |
631 | furthermore it must be == to one of the values in ENUMLIST. */ | |
632 | gdb_assert (var != nullptr && *var != nullptr); | |
633 | for (int i = 0; ; ++i) | |
634 | { | |
635 | gdb_assert (enumlist[i] != nullptr); | |
636 | if (*var == enumlist[i]) | |
637 | break; | |
638 | } | |
639 | ||
af7f8f52 | 640 | set_show_commands commands |
1d7fe7f0 LS |
641 | = add_setshow_cmd_full<const char *> (name, theclass, var_enum, var, |
642 | set_doc, show_doc, help_doc, | |
70299171 LS |
643 | nullptr, nullptr, set_func, |
644 | show_func, set_list, show_list); | |
af7f8f52 | 645 | commands.set->enums = enumlist; |
af7f8f52 | 646 | return commands; |
1b295c3d AC |
647 | } |
648 | ||
70299171 LS |
649 | /* Same as above but using a getter and a setter function instead of a pointer |
650 | to a global storage buffer. */ | |
651 | ||
652 | set_show_commands | |
653 | add_setshow_enum_cmd (const char *name, command_class theclass, | |
654 | const char *const *enumlist, const char *set_doc, | |
655 | const char *show_doc, const char *help_doc, | |
fcef6471 SM |
656 | setting_func_types<const char *>::set set_func, |
657 | setting_func_types<const char *>::get get_func, | |
70299171 LS |
658 | show_value_ftype *show_func, |
659 | cmd_list_element **set_list, | |
660 | cmd_list_element **show_list) | |
661 | { | |
662 | auto cmds = add_setshow_cmd_full<const char *> (name, theclass, var_enum, | |
663 | nullptr, set_doc, show_doc, | |
664 | help_doc, set_func, get_func, | |
665 | nullptr, show_func, set_list, | |
666 | show_list); | |
667 | ||
668 | cmds.set->enums = enumlist; | |
669 | ||
670 | return cmds; | |
671 | } | |
672 | ||
9d0faba9 | 673 | /* See cli-decode.h. */ |
5b9afe8a YQ |
674 | const char * const auto_boolean_enums[] = { "on", "off", "auto", NULL }; |
675 | ||
e9e68a56 AC |
676 | /* Add an auto-boolean command named NAME to both the set and show |
677 | command list lists. CLASS is as in add_cmd. VAR is address of the | |
678 | variable which will contain the value. DOC is the documentation | |
679 | string. FUNC is the corresponding callback. */ | |
af7f8f52 SM |
680 | |
681 | set_show_commands | |
6f937416 | 682 | add_setshow_auto_boolean_cmd (const char *name, |
fe978cb0 | 683 | enum command_class theclass, |
e9e68a56 | 684 | enum auto_boolean *var, |
3b64bf98 | 685 | const char *set_doc, const char *show_doc, |
335cca0d | 686 | const char *help_doc, |
5538b03c | 687 | cmd_func_ftype *set_func, |
08546159 | 688 | show_value_ftype *show_func, |
e9e68a56 AC |
689 | struct cmd_list_element **set_list, |
690 | struct cmd_list_element **show_list) | |
97c3646f | 691 | { |
af7f8f52 | 692 | set_show_commands commands |
70299171 LS |
693 | = add_setshow_cmd_full<enum auto_boolean> (name, theclass, var_auto_boolean, |
694 | var, set_doc, show_doc, help_doc, | |
695 | nullptr, nullptr, set_func, | |
696 | show_func, set_list, show_list); | |
cdb27c12 | 697 | |
af7f8f52 SM |
698 | commands.set->enums = auto_boolean_enums; |
699 | ||
700 | return commands; | |
97c3646f AC |
701 | } |
702 | ||
70299171 LS |
703 | /* Same as above but using a getter and a setter function instead of a pointer |
704 | to a global storage buffer. */ | |
705 | ||
706 | set_show_commands | |
707 | add_setshow_auto_boolean_cmd (const char *name, command_class theclass, | |
708 | const char *set_doc, const char *show_doc, | |
709 | const char *help_doc, | |
fcef6471 SM |
710 | setting_func_types<enum auto_boolean>::set set_func, |
711 | setting_func_types<enum auto_boolean>::get get_func, | |
70299171 LS |
712 | show_value_ftype *show_func, |
713 | cmd_list_element **set_list, | |
714 | cmd_list_element **show_list) | |
715 | { | |
716 | auto cmds = add_setshow_cmd_full<enum auto_boolean> (name, theclass, | |
717 | var_auto_boolean, | |
718 | nullptr, set_doc, | |
719 | show_doc, help_doc, | |
720 | set_func, get_func, | |
721 | nullptr, show_func, | |
722 | set_list, show_list); | |
723 | ||
724 | cmds.set->enums = auto_boolean_enums; | |
725 | ||
726 | return cmds; | |
727 | } | |
728 | ||
9d0faba9 PA |
729 | /* See cli-decode.h. */ |
730 | const char * const boolean_enums[] = { "on", "off", NULL }; | |
731 | ||
e707bbc2 AC |
732 | /* Add element named NAME to both the set and show command LISTs (the |
733 | list for set/show or some sublist thereof). CLASS is as in | |
734 | add_cmd. VAR is address of the variable which will contain the | |
2daf894e PA |
735 | value. SET_DOC and SHOW_DOC are the documentation strings. |
736 | Returns the new command element. */ | |
737 | ||
af7f8f52 | 738 | set_show_commands |
491144b5 | 739 | add_setshow_boolean_cmd (const char *name, enum command_class theclass, bool *var, |
3b64bf98 | 740 | const char *set_doc, const char *show_doc, |
335cca0d | 741 | const char *help_doc, |
5538b03c | 742 | cmd_func_ftype *set_func, |
08546159 | 743 | show_value_ftype *show_func, |
e707bbc2 AC |
744 | struct cmd_list_element **set_list, |
745 | struct cmd_list_element **show_list) | |
f3796e26 | 746 | { |
af7f8f52 | 747 | set_show_commands commands |
1d7fe7f0 LS |
748 | = add_setshow_cmd_full<bool> (name, theclass, var_boolean, var, |
749 | set_doc, show_doc, help_doc, | |
70299171 | 750 | nullptr, nullptr, set_func, show_func, |
1d7fe7f0 | 751 | set_list, show_list); |
cdb27c12 | 752 | |
af7f8f52 | 753 | commands.set->enums = boolean_enums; |
2daf894e | 754 | |
af7f8f52 | 755 | return commands; |
f3796e26 AC |
756 | } |
757 | ||
70299171 LS |
758 | /* Same as above but using a getter and a setter function instead of a pointer |
759 | to a global storage buffer. */ | |
760 | ||
761 | set_show_commands | |
762 | add_setshow_boolean_cmd (const char *name, command_class theclass, | |
763 | const char *set_doc, const char *show_doc, | |
764 | const char *help_doc, | |
fcef6471 SM |
765 | setting_func_types<bool>::set set_func, |
766 | setting_func_types<bool>::get get_func, | |
70299171 LS |
767 | show_value_ftype *show_func, |
768 | cmd_list_element **set_list, | |
769 | cmd_list_element **show_list) | |
770 | { | |
771 | auto cmds = add_setshow_cmd_full<bool> (name, theclass, var_boolean, nullptr, | |
772 | set_doc, show_doc, help_doc, | |
773 | set_func, get_func, nullptr, | |
774 | show_func, set_list, show_list); | |
775 | ||
776 | cmds.set->enums = boolean_enums; | |
777 | ||
778 | return cmds; | |
779 | } | |
780 | ||
b3f42336 AC |
781 | /* Add element named NAME to both the set and show command LISTs (the |
782 | list for set/show or some sublist thereof). */ | |
af7f8f52 SM |
783 | |
784 | set_show_commands | |
fe978cb0 | 785 | add_setshow_filename_cmd (const char *name, enum command_class theclass, |
e0700ba4 | 786 | std::string *var, |
b3f42336 | 787 | const char *set_doc, const char *show_doc, |
335cca0d | 788 | const char *help_doc, |
5538b03c | 789 | cmd_func_ftype *set_func, |
08546159 | 790 | show_value_ftype *show_func, |
b3f42336 AC |
791 | struct cmd_list_element **set_list, |
792 | struct cmd_list_element **show_list) | |
793 | { | |
af7f8f52 | 794 | set_show_commands commands |
e0700ba4 SM |
795 | = add_setshow_cmd_full<std::string> (name, theclass, var_filename, var, |
796 | set_doc, show_doc, help_doc, | |
70299171 LS |
797 | nullptr, nullptr, set_func, |
798 | show_func, set_list, show_list); | |
cdb27c12 | 799 | |
af7f8f52 SM |
800 | set_cmd_completer (commands.set, filename_completer); |
801 | ||
802 | return commands; | |
b3f42336 AC |
803 | } |
804 | ||
70299171 LS |
805 | /* Same as above but using a getter and a setter function instead of a pointer |
806 | to a global storage buffer. */ | |
807 | ||
808 | set_show_commands | |
809 | add_setshow_filename_cmd (const char *name, command_class theclass, | |
810 | const char *set_doc, const char *show_doc, | |
811 | const char *help_doc, | |
fcef6471 SM |
812 | setting_func_types<std::string>::set set_func, |
813 | setting_func_types<std::string>::get get_func, | |
70299171 LS |
814 | show_value_ftype *show_func, |
815 | cmd_list_element **set_list, | |
816 | cmd_list_element **show_list) | |
817 | { | |
818 | auto cmds = add_setshow_cmd_full<std::string> (name, theclass, var_filename, | |
819 | nullptr, set_doc, show_doc, | |
820 | help_doc, set_func, get_func, | |
821 | nullptr, show_func, set_list, | |
822 | show_list); | |
823 | ||
824 | set_cmd_completer (cmds.set, filename_completer); | |
825 | ||
826 | return cmds; | |
827 | } | |
828 | ||
b3f42336 | 829 | /* Add element named NAME to both the set and show command LISTs (the |
5efd5804 | 830 | list for set/show or some sublist thereof). */ |
af7f8f52 SM |
831 | |
832 | set_show_commands | |
fe978cb0 | 833 | add_setshow_string_cmd (const char *name, enum command_class theclass, |
e0700ba4 | 834 | std::string *var, |
6df3bc68 MS |
835 | const char *set_doc, const char *show_doc, |
836 | const char *help_doc, | |
5538b03c | 837 | cmd_func_ftype *set_func, |
6df3bc68 MS |
838 | show_value_ftype *show_func, |
839 | struct cmd_list_element **set_list, | |
840 | struct cmd_list_element **show_list) | |
b3f42336 | 841 | { |
af7f8f52 | 842 | set_show_commands commands |
e0700ba4 | 843 | = add_setshow_cmd_full<std::string> (name, theclass, var_string, var, |
70299171 LS |
844 | set_doc, show_doc, help_doc, |
845 | nullptr, nullptr, set_func, | |
846 | show_func, set_list, show_list); | |
597bf39d PA |
847 | |
848 | /* Disable the default symbol completer. */ | |
af7f8f52 SM |
849 | set_cmd_completer (commands.set, nullptr); |
850 | ||
851 | return commands; | |
b3f42336 AC |
852 | } |
853 | ||
70299171 LS |
854 | /* Same as above but using a getter and a setter function instead of a pointer |
855 | to a global storage buffer. */ | |
856 | ||
857 | set_show_commands | |
858 | add_setshow_string_cmd (const char *name, command_class theclass, | |
859 | const char *set_doc, const char *show_doc, | |
860 | const char *help_doc, | |
fcef6471 SM |
861 | setting_func_types<std::string>::set set_func, |
862 | setting_func_types<std::string>::get get_func, | |
70299171 LS |
863 | show_value_ftype *show_func, |
864 | cmd_list_element **set_list, | |
865 | cmd_list_element **show_list) | |
866 | { | |
867 | auto cmds = add_setshow_cmd_full<std::string> (name, theclass, var_string, | |
868 | nullptr, set_doc, show_doc, | |
869 | help_doc, set_func, get_func, | |
870 | nullptr, show_func, set_list, | |
871 | show_list); | |
872 | ||
873 | /* Disable the default symbol completer. */ | |
874 | set_cmd_completer (cmds.set, nullptr); | |
875 | ||
876 | return cmds; | |
877 | } | |
878 | ||
26c41df3 | 879 | /* Add element named NAME to both the set and show command LISTs (the |
5efd5804 | 880 | list for set/show or some sublist thereof). */ |
af7f8f52 SM |
881 | |
882 | set_show_commands | |
fe978cb0 | 883 | add_setshow_string_noescape_cmd (const char *name, enum command_class theclass, |
e0700ba4 | 884 | std::string *var, |
26c41df3 AC |
885 | const char *set_doc, const char *show_doc, |
886 | const char *help_doc, | |
5538b03c | 887 | cmd_func_ftype *set_func, |
26c41df3 AC |
888 | show_value_ftype *show_func, |
889 | struct cmd_list_element **set_list, | |
890 | struct cmd_list_element **show_list) | |
891 | { | |
af7f8f52 | 892 | set_show_commands commands |
e0700ba4 SM |
893 | = add_setshow_cmd_full<std::string> (name, theclass, var_string_noescape, |
894 | var, set_doc, show_doc, help_doc, | |
70299171 LS |
895 | nullptr, nullptr, set_func, show_func, |
896 | set_list, show_list); | |
597bf39d PA |
897 | |
898 | /* Disable the default symbol completer. */ | |
af7f8f52 | 899 | set_cmd_completer (commands.set, nullptr); |
597bf39d | 900 | |
af7f8f52 | 901 | return commands; |
26c41df3 AC |
902 | } |
903 | ||
70299171 LS |
904 | /* Same as above but using a getter and a setter function instead of a pointer |
905 | to a global storage buffer. */ | |
906 | ||
907 | set_show_commands | |
908 | add_setshow_string_noescape_cmd (const char *name, command_class theclass, | |
909 | const char *set_doc, const char *show_doc, | |
910 | const char *help_doc, | |
fcef6471 SM |
911 | setting_func_types<std::string>::set set_func, |
912 | setting_func_types<std::string>::get get_func, | |
70299171 LS |
913 | show_value_ftype *show_func, |
914 | cmd_list_element **set_list, | |
915 | cmd_list_element **show_list) | |
916 | { | |
917 | auto cmds = add_setshow_cmd_full<std::string> (name, theclass, | |
918 | var_string_noescape, nullptr, | |
919 | set_doc, show_doc, help_doc, | |
920 | set_func, get_func, | |
921 | nullptr, show_func, set_list, | |
922 | show_list); | |
923 | ||
924 | /* Disable the default symbol completer. */ | |
925 | set_cmd_completer (cmds.set, nullptr); | |
926 | ||
927 | return cmds; | |
928 | } | |
929 | ||
b4b4ac0b AC |
930 | /* Add element named NAME to both the set and show command LISTs (the |
931 | list for set/show or some sublist thereof). */ | |
af7f8f52 SM |
932 | |
933 | set_show_commands | |
fe978cb0 | 934 | add_setshow_optional_filename_cmd (const char *name, enum command_class theclass, |
e0700ba4 | 935 | std::string *var, |
b4b4ac0b AC |
936 | const char *set_doc, const char *show_doc, |
937 | const char *help_doc, | |
5538b03c | 938 | cmd_func_ftype *set_func, |
b4b4ac0b AC |
939 | show_value_ftype *show_func, |
940 | struct cmd_list_element **set_list, | |
941 | struct cmd_list_element **show_list) | |
942 | { | |
af7f8f52 | 943 | set_show_commands commands |
e0700ba4 SM |
944 | = add_setshow_cmd_full<std::string> (name, theclass, var_optional_filename, |
945 | var, set_doc, show_doc, help_doc, | |
70299171 LS |
946 | nullptr, nullptr, set_func, show_func, |
947 | set_list, show_list); | |
1d7fe7f0 | 948 | |
af7f8f52 | 949 | set_cmd_completer (commands.set, filename_completer); |
7f6a6314 | 950 | |
af7f8f52 | 951 | return commands; |
b4b4ac0b AC |
952 | } |
953 | ||
70299171 LS |
954 | /* Same as above but using a getter and a setter function instead of a pointer |
955 | to a global storage buffer. */ | |
956 | ||
957 | set_show_commands | |
958 | add_setshow_optional_filename_cmd (const char *name, command_class theclass, | |
959 | const char *set_doc, const char *show_doc, | |
960 | const char *help_doc, | |
fcef6471 SM |
961 | setting_func_types<std::string>::set set_func, |
962 | setting_func_types<std::string>::get get_func, | |
70299171 LS |
963 | show_value_ftype *show_func, |
964 | cmd_list_element **set_list, | |
965 | cmd_list_element **show_list) | |
966 | { | |
967 | auto cmds = | |
968 | add_setshow_cmd_full<std::string> (name, theclass, var_optional_filename, | |
969 | nullptr, set_doc, show_doc, help_doc, | |
970 | set_func, get_func, nullptr, show_func, | |
971 | set_list,show_list); | |
972 | ||
973 | set_cmd_completer (cmds.set, filename_completer); | |
974 | ||
975 | return cmds; | |
976 | } | |
977 | ||
f81d1120 PA |
978 | /* Completes on literal "unlimited". Used by integer commands that |
979 | support a special "unlimited" value. */ | |
980 | ||
eb3ff9a5 | 981 | static void |
f81d1120 | 982 | integer_unlimited_completer (struct cmd_list_element *ignore, |
eb3ff9a5 | 983 | completion_tracker &tracker, |
f81d1120 PA |
984 | const char *text, const char *word) |
985 | { | |
986 | static const char * const keywords[] = | |
987 | { | |
988 | "unlimited", | |
989 | NULL, | |
990 | }; | |
991 | ||
eb3ff9a5 | 992 | complete_on_enum (tracker, keywords, text, word); |
f81d1120 PA |
993 | } |
994 | ||
c0d88b1b AC |
995 | /* Add element named NAME to both the set and show command LISTs (the |
996 | list for set/show or some sublist thereof). CLASS is as in | |
997 | add_cmd. VAR is address of the variable which will contain the | |
6fc1c773 YQ |
998 | value. SET_DOC and SHOW_DOC are the documentation strings. This |
999 | function is only used in Python API. Please don't use it elsewhere. */ | |
af7f8f52 SM |
1000 | |
1001 | set_show_commands | |
fe978cb0 | 1002 | add_setshow_integer_cmd (const char *name, enum command_class theclass, |
47b667de | 1003 | int *var, |
6df3bc68 MS |
1004 | const char *set_doc, const char *show_doc, |
1005 | const char *help_doc, | |
5538b03c | 1006 | cmd_func_ftype *set_func, |
6df3bc68 MS |
1007 | show_value_ftype *show_func, |
1008 | struct cmd_list_element **set_list, | |
1009 | struct cmd_list_element **show_list) | |
c0d88b1b | 1010 | { |
af7f8f52 | 1011 | set_show_commands commands |
70299171 LS |
1012 | = add_setshow_cmd_full<int> (name, theclass, var_integer, var, |
1013 | set_doc, show_doc, help_doc, | |
1014 | nullptr, nullptr, set_func, | |
1015 | show_func, set_list, show_list); | |
f81d1120 | 1016 | |
af7f8f52 | 1017 | set_cmd_completer (commands.set, integer_unlimited_completer); |
f81d1120 | 1018 | |
af7f8f52 | 1019 | return commands; |
c0d88b1b AC |
1020 | } |
1021 | ||
70299171 LS |
1022 | /* Same as above but using a getter and a setter function instead of a pointer |
1023 | to a global storage buffer. */ | |
1024 | ||
1025 | set_show_commands | |
1026 | add_setshow_integer_cmd (const char *name, command_class theclass, | |
1027 | const char *set_doc, const char *show_doc, | |
1028 | const char *help_doc, | |
fcef6471 SM |
1029 | setting_func_types<int>::set set_func, |
1030 | setting_func_types<int>::get get_func, | |
70299171 LS |
1031 | show_value_ftype *show_func, |
1032 | cmd_list_element **set_list, | |
1033 | cmd_list_element **show_list) | |
1034 | { | |
1035 | auto cmds = add_setshow_cmd_full<int> (name, theclass, var_integer, nullptr, | |
1036 | set_doc, show_doc, help_doc, set_func, | |
1037 | get_func, nullptr, show_func, set_list, | |
1038 | show_list); | |
1039 | ||
1040 | set_cmd_completer (cmds.set, integer_unlimited_completer); | |
1041 | ||
1042 | return cmds; | |
1043 | } | |
1044 | ||
25d29d70 AC |
1045 | /* Add element named NAME to both the set and show command LISTs (the |
1046 | list for set/show or some sublist thereof). CLASS is as in | |
1047 | add_cmd. VAR is address of the variable which will contain the | |
5efd5804 | 1048 | value. SET_DOC and SHOW_DOC are the documentation strings. */ |
af7f8f52 SM |
1049 | |
1050 | set_show_commands | |
fe978cb0 | 1051 | add_setshow_uinteger_cmd (const char *name, enum command_class theclass, |
3b64bf98 AC |
1052 | unsigned int *var, |
1053 | const char *set_doc, const char *show_doc, | |
335cca0d | 1054 | const char *help_doc, |
5538b03c | 1055 | cmd_func_ftype *set_func, |
08546159 | 1056 | show_value_ftype *show_func, |
25d29d70 AC |
1057 | struct cmd_list_element **set_list, |
1058 | struct cmd_list_element **show_list) | |
1059 | { | |
af7f8f52 | 1060 | set_show_commands commands |
1d7fe7f0 LS |
1061 | = add_setshow_cmd_full<unsigned int> (name, theclass, var_uinteger, var, |
1062 | set_doc, show_doc, help_doc, | |
70299171 LS |
1063 | nullptr, nullptr, set_func, |
1064 | show_func, set_list, show_list); | |
f81d1120 | 1065 | |
af7f8f52 | 1066 | set_cmd_completer (commands.set, integer_unlimited_completer); |
f81d1120 | 1067 | |
af7f8f52 | 1068 | return commands; |
25d29d70 AC |
1069 | } |
1070 | ||
70299171 LS |
1071 | /* Same as above but using a getter and a setter function instead of a pointer |
1072 | to a global storage buffer. */ | |
1073 | ||
1074 | set_show_commands | |
1075 | add_setshow_uinteger_cmd (const char *name, command_class theclass, | |
1076 | const char *set_doc, const char *show_doc, | |
1077 | const char *help_doc, | |
fcef6471 SM |
1078 | setting_func_types<unsigned int>::set set_func, |
1079 | setting_func_types<unsigned int>::get get_func, | |
70299171 LS |
1080 | show_value_ftype *show_func, |
1081 | cmd_list_element **set_list, | |
1082 | cmd_list_element **show_list) | |
1083 | { | |
1084 | auto cmds = add_setshow_cmd_full<unsigned int> (name, theclass, var_uinteger, | |
1085 | nullptr, set_doc, show_doc, | |
1086 | help_doc, set_func, get_func, | |
1087 | nullptr, show_func, set_list, | |
1088 | show_list); | |
1089 | ||
1090 | set_cmd_completer (cmds.set, integer_unlimited_completer); | |
1091 | ||
1092 | return cmds; | |
1093 | } | |
1094 | ||
15170568 AC |
1095 | /* Add element named NAME to both the set and show command LISTs (the |
1096 | list for set/show or some sublist thereof). CLASS is as in | |
1097 | add_cmd. VAR is address of the variable which will contain the | |
5efd5804 | 1098 | value. SET_DOC and SHOW_DOC are the documentation strings. */ |
af7f8f52 SM |
1099 | |
1100 | set_show_commands | |
fe978cb0 | 1101 | add_setshow_zinteger_cmd (const char *name, enum command_class theclass, |
3b64bf98 AC |
1102 | int *var, |
1103 | const char *set_doc, const char *show_doc, | |
335cca0d | 1104 | const char *help_doc, |
5538b03c | 1105 | cmd_func_ftype *set_func, |
08546159 | 1106 | show_value_ftype *show_func, |
15170568 AC |
1107 | struct cmd_list_element **set_list, |
1108 | struct cmd_list_element **show_list) | |
1109 | { | |
1d7fe7f0 LS |
1110 | return add_setshow_cmd_full<int> (name, theclass, var_zinteger, var, |
1111 | set_doc, show_doc, help_doc, | |
70299171 LS |
1112 | nullptr, nullptr, set_func, |
1113 | show_func, set_list, show_list); | |
1114 | } | |
1115 | ||
1116 | /* Same as above but using a getter and a setter function instead of a pointer | |
1117 | to a global storage buffer. */ | |
1118 | ||
1119 | set_show_commands | |
1120 | add_setshow_zinteger_cmd (const char *name, command_class theclass, | |
1121 | const char *set_doc, const char *show_doc, | |
1122 | const char *help_doc, | |
fcef6471 SM |
1123 | setting_func_types<int>::set set_func, |
1124 | setting_func_types<int>::get get_func, | |
70299171 LS |
1125 | show_value_ftype *show_func, |
1126 | cmd_list_element **set_list, | |
1127 | cmd_list_element **show_list) | |
1128 | { | |
1129 | return add_setshow_cmd_full<int> (name, theclass, var_zinteger, nullptr, | |
1130 | set_doc, show_doc, help_doc, set_func, | |
1131 | get_func, nullptr, show_func, set_list, | |
1132 | show_list); | |
15170568 AC |
1133 | } |
1134 | ||
af7f8f52 | 1135 | set_show_commands |
6f937416 | 1136 | add_setshow_zuinteger_unlimited_cmd (const char *name, |
fe978cb0 | 1137 | enum command_class theclass, |
b69b1fb1 | 1138 | int *var, |
6fc1c773 YQ |
1139 | const char *set_doc, |
1140 | const char *show_doc, | |
1141 | const char *help_doc, | |
5538b03c | 1142 | cmd_func_ftype *set_func, |
6fc1c773 YQ |
1143 | show_value_ftype *show_func, |
1144 | struct cmd_list_element **set_list, | |
1145 | struct cmd_list_element **show_list) | |
1146 | { | |
af7f8f52 | 1147 | set_show_commands commands |
1d7fe7f0 | 1148 | = add_setshow_cmd_full<int> (name, theclass, var_zuinteger_unlimited, var, |
70299171 LS |
1149 | set_doc, show_doc, help_doc, nullptr, |
1150 | nullptr, set_func, show_func, set_list, | |
1151 | show_list); | |
f81d1120 | 1152 | |
af7f8f52 | 1153 | set_cmd_completer (commands.set, integer_unlimited_completer); |
f81d1120 | 1154 | |
af7f8f52 | 1155 | return commands; |
6fc1c773 YQ |
1156 | } |
1157 | ||
70299171 LS |
1158 | /* Same as above but using a getter and a setter function instead of a pointer |
1159 | to a global storage buffer. */ | |
1160 | ||
1161 | set_show_commands | |
1162 | add_setshow_zuinteger_unlimited_cmd (const char *name, command_class theclass, | |
1163 | const char *set_doc, const char *show_doc, | |
1164 | const char *help_doc, | |
fcef6471 SM |
1165 | setting_func_types<int>::set set_func, |
1166 | setting_func_types<int>::get get_func, | |
70299171 LS |
1167 | show_value_ftype *show_func, |
1168 | cmd_list_element **set_list, | |
1169 | cmd_list_element **show_list) | |
1170 | { | |
1171 | auto cmds | |
1172 | = add_setshow_cmd_full<int> (name, theclass, var_zuinteger_unlimited, | |
1173 | nullptr, set_doc, show_doc, help_doc, set_func, | |
1174 | get_func, nullptr, show_func, set_list, | |
1175 | show_list); | |
1176 | ||
1177 | set_cmd_completer (cmds.set, integer_unlimited_completer); | |
1178 | ||
1179 | return cmds; | |
1180 | } | |
1181 | ||
1e8fb976 PA |
1182 | /* Add element named NAME to both the set and show command LISTs (the |
1183 | list for set/show or some sublist thereof). CLASS is as in | |
1184 | add_cmd. VAR is address of the variable which will contain the | |
5efd5804 | 1185 | value. SET_DOC and SHOW_DOC are the documentation strings. */ |
af7f8f52 SM |
1186 | |
1187 | set_show_commands | |
fe978cb0 | 1188 | add_setshow_zuinteger_cmd (const char *name, enum command_class theclass, |
1e8fb976 PA |
1189 | unsigned int *var, |
1190 | const char *set_doc, const char *show_doc, | |
1191 | const char *help_doc, | |
5538b03c | 1192 | cmd_func_ftype *set_func, |
1e8fb976 PA |
1193 | show_value_ftype *show_func, |
1194 | struct cmd_list_element **set_list, | |
1195 | struct cmd_list_element **show_list) | |
1196 | { | |
1d7fe7f0 LS |
1197 | return add_setshow_cmd_full<unsigned int> (name, theclass, var_zuinteger, |
1198 | var, set_doc, show_doc, help_doc, | |
70299171 LS |
1199 | nullptr, nullptr, set_func, |
1200 | show_func, set_list, show_list); | |
1201 | } | |
1202 | ||
1203 | /* Same as above but using a getter and a setter function instead of a pointer | |
1204 | to a global storage buffer. */ | |
1205 | ||
1206 | set_show_commands | |
1207 | add_setshow_zuinteger_cmd (const char *name, command_class theclass, | |
1208 | const char *set_doc, const char *show_doc, | |
1209 | const char *help_doc, | |
fcef6471 SM |
1210 | setting_func_types<unsigned int>::set set_func, |
1211 | setting_func_types<unsigned int>::get get_func, | |
70299171 LS |
1212 | show_value_ftype *show_func, |
1213 | cmd_list_element **set_list, | |
1214 | cmd_list_element **show_list) | |
1215 | { | |
1216 | return add_setshow_cmd_full<unsigned int> (name, theclass, var_zuinteger, | |
1217 | nullptr, set_doc, show_doc, | |
1218 | help_doc, set_func, get_func, | |
1219 | nullptr, show_func, set_list, | |
1d7fe7f0 | 1220 | show_list); |
1e8fb976 PA |
1221 | } |
1222 | ||
c471bdb1 SM |
1223 | /* Remove the command named NAME from the command list. Return the list |
1224 | commands which were aliased to the deleted command. The various *HOOKs are | |
1225 | set to the pre- and post-hook commands for the deleted command. If the | |
1226 | command does not have a hook, the corresponding out parameter is set to | |
1227 | NULL. */ | |
c906108c | 1228 | |
c471bdb1 | 1229 | static cmd_list_element::aliases_list_type |
6f937416 | 1230 | delete_cmd (const char *name, struct cmd_list_element **list, |
fad6eecd TT |
1231 | struct cmd_list_element **prehook, |
1232 | struct cmd_list_element **prehookee, | |
1233 | struct cmd_list_element **posthook, | |
1234 | struct cmd_list_element **posthookee) | |
c906108c | 1235 | { |
b05dcbb7 TT |
1236 | struct cmd_list_element *iter; |
1237 | struct cmd_list_element **previous_chain_ptr; | |
c471bdb1 | 1238 | cmd_list_element::aliases_list_type aliases; |
c906108c | 1239 | |
fad6eecd TT |
1240 | *prehook = NULL; |
1241 | *prehookee = NULL; | |
1242 | *posthook = NULL; | |
1243 | *posthookee = NULL; | |
b05dcbb7 TT |
1244 | previous_chain_ptr = list; |
1245 | ||
1246 | for (iter = *previous_chain_ptr; iter; iter = *previous_chain_ptr) | |
c906108c | 1247 | { |
b05dcbb7 TT |
1248 | if (strcmp (iter->name, name) == 0) |
1249 | { | |
d8906c6f | 1250 | if (iter->destroyer) |
0f8e2034 SM |
1251 | iter->destroyer (iter, iter->context ()); |
1252 | ||
b05dcbb7 TT |
1253 | if (iter->hookee_pre) |
1254 | iter->hookee_pre->hook_pre = 0; | |
fad6eecd TT |
1255 | *prehook = iter->hook_pre; |
1256 | *prehookee = iter->hookee_pre; | |
b05dcbb7 TT |
1257 | if (iter->hookee_post) |
1258 | iter->hookee_post->hook_post = 0; | |
fad6eecd TT |
1259 | *posthook = iter->hook_post; |
1260 | *posthookee = iter->hookee_post; | |
b05dcbb7 TT |
1261 | |
1262 | /* Update the link. */ | |
1263 | *previous_chain_ptr = iter->next; | |
1264 | ||
c471bdb1 | 1265 | aliases = std::move (iter->aliases); |
b05dcbb7 TT |
1266 | |
1267 | /* If this command was an alias, remove it from the list of | |
1268 | aliases. */ | |
1be99b11 | 1269 | if (iter->is_alias ()) |
b05dcbb7 | 1270 | { |
c471bdb1 SM |
1271 | auto it = iter->alias_target->aliases.iterator_to (*iter); |
1272 | iter->alias_target->aliases.erase (it); | |
b05dcbb7 TT |
1273 | } |
1274 | ||
e2fc72e2 | 1275 | delete iter; |
b05dcbb7 TT |
1276 | |
1277 | /* We won't see another command with the same name. */ | |
1278 | break; | |
1279 | } | |
1280 | else | |
1281 | previous_chain_ptr = &iter->next; | |
c906108c SS |
1282 | } |
1283 | ||
b05dcbb7 | 1284 | return aliases; |
c906108c | 1285 | } |
d318976c | 1286 | \f |
ebcd3b23 | 1287 | /* Shorthands to the commands above. */ |
d318976c FN |
1288 | |
1289 | /* Add an element to the list of info subcommands. */ | |
1290 | ||
1291 | struct cmd_list_element * | |
3a553c80 | 1292 | add_info (const char *name, cmd_simple_func_ftype *fun, const char *doc) |
d318976c | 1293 | { |
f3575e08 | 1294 | return add_cmd (name, class_info, fun, doc, &infolist); |
d318976c FN |
1295 | } |
1296 | ||
1297 | /* Add an alias to the list of info subcommands. */ | |
1298 | ||
e0f25bd9 SM |
1299 | cmd_list_element * |
1300 | add_info_alias (const char *name, cmd_list_element *target, int abbrev_flag) | |
d318976c | 1301 | { |
e0f25bd9 | 1302 | return add_alias_cmd (name, target, class_run, abbrev_flag, &infolist); |
d318976c FN |
1303 | } |
1304 | ||
1305 | /* Add an element to the list of commands. */ | |
1306 | ||
1307 | struct cmd_list_element * | |
0b39b52e | 1308 | add_com (const char *name, enum command_class theclass, |
3a553c80 | 1309 | cmd_simple_func_ftype *fun, |
1947513d | 1310 | const char *doc) |
d318976c | 1311 | { |
fe978cb0 | 1312 | return add_cmd (name, theclass, fun, doc, &cmdlist); |
d318976c FN |
1313 | } |
1314 | ||
57b4f16e PW |
1315 | /* Add an alias or abbreviation command to the list of commands. |
1316 | For aliases predefined by GDB (such as bt), THECLASS must be | |
1317 | different of class_alias, as class_alias is used to identify | |
1318 | user defined aliases. */ | |
d318976c | 1319 | |
3947f654 SM |
1320 | cmd_list_element * |
1321 | add_com_alias (const char *name, cmd_list_element *target, | |
99858724 | 1322 | command_class theclass, int abbrev_flag) |
d318976c | 1323 | { |
3947f654 | 1324 | return add_alias_cmd (name, target, theclass, abbrev_flag, &cmdlist); |
d318976c | 1325 | } |
4034d0ff AT |
1326 | |
1327 | /* Add an element with a suppress notification to the list of commands. */ | |
1328 | ||
1329 | struct cmd_list_element * | |
1330 | add_com_suppress_notification (const char *name, enum command_class theclass, | |
3a553c80 | 1331 | cmd_simple_func_ftype *fun, const char *doc, |
f36c8918 | 1332 | bool *suppress_notification) |
4034d0ff | 1333 | { |
f67ffa6a AB |
1334 | return add_cmd_suppress_notification (name, theclass, fun, doc, |
1335 | &cmdlist, suppress_notification); | |
4034d0ff AT |
1336 | } |
1337 | ||
3b3aaacb PW |
1338 | /* Print the prefix of C followed by name of C in title style. */ |
1339 | ||
1340 | static void | |
eccd14b3 | 1341 | fput_command_name_styled (const cmd_list_element &c, struct ui_file *stream) |
3b3aaacb | 1342 | { |
2f822da5 | 1343 | std::string prefixname |
eccd14b3 | 1344 | = c.prefix == nullptr ? "" : c.prefix->prefixname (); |
3b3aaacb | 1345 | |
2f822da5 | 1346 | fprintf_styled (stream, title_style.style (), "%s%s", |
eccd14b3 | 1347 | prefixname.c_str (), c.name); |
3b3aaacb PW |
1348 | } |
1349 | ||
cf00cd6f PW |
1350 | /* Print the definition of alias C using title style for alias |
1351 | and aliased command. */ | |
1352 | ||
1353 | static void | |
eccd14b3 | 1354 | fput_alias_definition_styled (const cmd_list_element &c, |
cf00cd6f PW |
1355 | struct ui_file *stream) |
1356 | { | |
eccd14b3 | 1357 | gdb_assert (c.is_alias ()); |
0426ad51 | 1358 | gdb_puts (" alias ", stream); |
cf00cd6f | 1359 | fput_command_name_styled (c, stream); |
6cb06a8c | 1360 | gdb_printf (stream, " = "); |
eccd14b3 | 1361 | fput_command_name_styled (*c.alias_target, stream); |
6cb06a8c | 1362 | gdb_printf (stream, " %s\n", c.default_args.c_str ()); |
cf00cd6f PW |
1363 | } |
1364 | ||
1365 | /* Print the definition of the aliases of CMD that have default args. */ | |
1366 | ||
1367 | static void | |
eccd14b3 | 1368 | fput_aliases_definition_styled (const cmd_list_element &cmd, |
cf00cd6f PW |
1369 | struct ui_file *stream) |
1370 | { | |
eccd14b3 | 1371 | for (const cmd_list_element &alias : cmd.aliases) |
e34e3918 | 1372 | if (!alias.cmd_deprecated && !alias.default_args.empty ()) |
eccd14b3 | 1373 | fput_alias_definition_styled (alias, stream); |
cf00cd6f PW |
1374 | } |
1375 | ||
1376 | ||
3b3aaacb PW |
1377 | /* If C has one or more aliases, style print the name of C and |
1378 | the name of its aliases, separated by commas. | |
1379 | If ALWAYS_FPUT_C_NAME, print the name of C even if it has no aliases. | |
1380 | If one or more names are printed, POSTFIX is printed after the last name. | |
1381 | */ | |
1382 | ||
1383 | static void | |
eccd14b3 | 1384 | fput_command_names_styled (const cmd_list_element &c, |
3b3aaacb PW |
1385 | bool always_fput_c_name, const char *postfix, |
1386 | struct ui_file *stream) | |
1387 | { | |
e34e3918 SM |
1388 | /* First, check if we are going to print something. That is, either if |
1389 | ALWAYS_FPUT_C_NAME is true or if there exists at least one non-deprecated | |
1390 | alias. */ | |
1391 | ||
1392 | auto print_alias = [] (const cmd_list_element &alias) | |
1393 | { | |
1394 | return !alias.cmd_deprecated; | |
1395 | }; | |
1396 | ||
1397 | bool print_something = always_fput_c_name; | |
1398 | if (!print_something) | |
1399 | for (const cmd_list_element &alias : c.aliases) | |
1400 | { | |
1401 | if (!print_alias (alias)) | |
1402 | continue; | |
1403 | ||
1404 | print_something = true; | |
1405 | break; | |
1406 | } | |
1407 | ||
1408 | if (print_something) | |
3b3aaacb | 1409 | fput_command_name_styled (c, stream); |
143f5a38 | 1410 | |
eccd14b3 | 1411 | for (const cmd_list_element &alias : c.aliases) |
3b3aaacb | 1412 | { |
e34e3918 SM |
1413 | if (!print_alias (alias)) |
1414 | continue; | |
1415 | ||
0426ad51 | 1416 | gdb_puts (", ", stream); |
1285ce86 | 1417 | stream->wrap_here (3); |
eccd14b3 | 1418 | fput_command_name_styled (alias, stream); |
3b3aaacb | 1419 | } |
143f5a38 | 1420 | |
e34e3918 | 1421 | if (print_something) |
0426ad51 | 1422 | gdb_puts (postfix, stream); |
3b3aaacb PW |
1423 | } |
1424 | ||
66d8c862 PW |
1425 | /* If VERBOSE, print the full help for command C and highlight the |
1426 | documentation parts matching HIGHLIGHT, | |
1427 | otherwise print only one-line help for command C. */ | |
1428 | ||
1429 | static void | |
eccd14b3 | 1430 | print_doc_of_command (const cmd_list_element &c, const char *prefix, |
66d8c862 PW |
1431 | bool verbose, compiled_regex &highlight, |
1432 | struct ui_file *stream) | |
1433 | { | |
1434 | /* When printing the full documentation, add a line to separate | |
1435 | this documentation from the previous command help, in the likely | |
1436 | case that apropos finds several commands. */ | |
1437 | if (verbose) | |
0426ad51 | 1438 | gdb_puts ("\n", stream); |
66d8c862 | 1439 | |
cf00cd6f PW |
1440 | fput_command_names_styled (c, true, |
1441 | verbose ? "" : " -- ", stream); | |
66d8c862 | 1442 | if (verbose) |
cf00cd6f | 1443 | { |
0426ad51 | 1444 | gdb_puts ("\n", stream); |
cf00cd6f | 1445 | fput_aliases_definition_styled (c, stream); |
eccd14b3 | 1446 | fputs_highlighted (c.doc, highlight, stream); |
0426ad51 | 1447 | gdb_puts ("\n", stream); |
cf00cd6f | 1448 | } |
66d8c862 | 1449 | else |
cf00cd6f | 1450 | { |
eccd14b3 | 1451 | print_doc_line (stream, c.doc, false); |
0426ad51 | 1452 | gdb_puts ("\n", stream); |
cf00cd6f PW |
1453 | fput_aliases_definition_styled (c, stream); |
1454 | } | |
66d8c862 PW |
1455 | } |
1456 | ||
6837a0a2 DB |
1457 | /* Recursively walk the commandlist structures, and print out the |
1458 | documentation of commands that match our regex in either their | |
1459 | name, or their documentation. | |
66d8c862 PW |
1460 | If VERBOSE, prints the complete documentation and highlight the |
1461 | documentation parts matching REGEX, otherwise prints only | |
1462 | the first line. | |
6837a0a2 | 1463 | */ |
66d8c862 PW |
1464 | void |
1465 | apropos_cmd (struct ui_file *stream, | |
ebcd3b23 | 1466 | struct cmd_list_element *commandlist, |
66d8c862 | 1467 | bool verbose, compiled_regex ®ex, const char *prefix) |
6837a0a2 | 1468 | { |
d5b5ac79 | 1469 | struct cmd_list_element *c; |
4a98be19 | 1470 | int returnvalue; |
cdb27c12 | 1471 | |
ebcd3b23 | 1472 | /* Walk through the commands. */ |
6837a0a2 DB |
1473 | for (c=commandlist;c;c=c->next) |
1474 | { | |
1be99b11 | 1475 | if (c->is_alias ()) |
7c05caf7 PW |
1476 | { |
1477 | /* Command aliases/abbreviations are skipped to ensure we print the | |
1478 | doc of a command only once, when encountering the aliased | |
1479 | command. */ | |
1480 | continue; | |
1481 | } | |
1482 | ||
ebcd3b23 | 1483 | returnvalue = -1; /* Needed to avoid double printing. */ |
6837a0a2 DB |
1484 | if (c->name != NULL) |
1485 | { | |
2d7cc5c7 PA |
1486 | size_t name_len = strlen (c->name); |
1487 | ||
ebcd3b23 | 1488 | /* Try to match against the name. */ |
2d7cc5c7 | 1489 | returnvalue = regex.search (c->name, name_len, 0, name_len, NULL); |
6837a0a2 | 1490 | if (returnvalue >= 0) |
eccd14b3 | 1491 | print_doc_of_command (*c, prefix, verbose, regex, stream); |
7c05caf7 PW |
1492 | |
1493 | /* Try to match against the name of the aliases. */ | |
c471bdb1 | 1494 | for (const cmd_list_element &alias : c->aliases) |
7c05caf7 | 1495 | { |
c471bdb1 SM |
1496 | name_len = strlen (alias.name); |
1497 | returnvalue = regex.search (alias.name, name_len, 0, name_len, NULL); | |
7c05caf7 | 1498 | if (returnvalue >= 0) |
c471bdb1 | 1499 | { |
eccd14b3 | 1500 | print_doc_of_command (*c, prefix, verbose, regex, stream); |
c471bdb1 SM |
1501 | break; |
1502 | } | |
7c05caf7 | 1503 | } |
6837a0a2 | 1504 | } |
4a98be19 | 1505 | if (c->doc != NULL && returnvalue < 0) |
6837a0a2 | 1506 | { |
2d7cc5c7 PA |
1507 | size_t doc_len = strlen (c->doc); |
1508 | ||
ebcd3b23 | 1509 | /* Try to match against documentation. */ |
2d7cc5c7 | 1510 | if (regex.search (c->doc, doc_len, 0, doc_len, NULL) >= 0) |
eccd14b3 | 1511 | print_doc_of_command (*c, prefix, verbose, regex, stream); |
6837a0a2 | 1512 | } |
7c05caf7 | 1513 | /* Check if this command has subcommands. */ |
3d0b3564 | 1514 | if (c->is_prefix ()) |
6837a0a2 DB |
1515 | { |
1516 | /* Recursively call ourselves on the subcommand list, | |
ebcd3b23 | 1517 | passing the right prefix in. */ |
14b42fc4 | 1518 | apropos_cmd (stream, *c->subcommands, verbose, regex, |
2f822da5 | 1519 | c->prefixname ().c_str ()); |
6837a0a2 DB |
1520 | } |
1521 | } | |
1522 | } | |
c906108c SS |
1523 | |
1524 | /* This command really has to deal with two things: | |
ebcd3b23 MS |
1525 | 1) I want documentation on *this string* (usually called by |
1526 | "help commandname"). | |
1527 | ||
1528 | 2) I want documentation on *this list* (usually called by giving a | |
1529 | command that requires subcommands. Also called by saying just | |
1530 | "help".) | |
1531 | ||
30baf67b | 1532 | I am going to split this into two separate commands, help_cmd and |
ebcd3b23 | 1533 | help_list. */ |
c906108c SS |
1534 | |
1535 | void | |
64669f3b | 1536 | help_cmd (const char *command, struct ui_file *stream) |
c906108c | 1537 | { |
7c05caf7 | 1538 | struct cmd_list_element *c, *alias, *prefix_cmd, *c_cmd; |
c906108c SS |
1539 | |
1540 | if (!command) | |
1541 | { | |
1542 | help_list (cmdlist, "", all_classes, stream); | |
1543 | return; | |
1544 | } | |
1545 | ||
49a5a3a3 GM |
1546 | if (strcmp (command, "all") == 0) |
1547 | { | |
1548 | help_all (stream); | |
1549 | return; | |
1550 | } | |
1551 | ||
7c05caf7 | 1552 | const char *orig_command = command; |
cf00cd6f | 1553 | c = lookup_cmd (&command, cmdlist, "", NULL, 0, 0); |
c906108c SS |
1554 | |
1555 | if (c == 0) | |
1556 | return; | |
1557 | ||
7c05caf7 PW |
1558 | lookup_cmd_composition (orig_command, &alias, &prefix_cmd, &c_cmd); |
1559 | ||
c906108c | 1560 | /* There are three cases here. |
14b42fc4 | 1561 | If c->subcommands is nonzero, we have a prefix command. |
c906108c | 1562 | Print its documentation, then list its subcommands. |
c5aa993b | 1563 | |
9f60d481 AC |
1564 | If c->func is non NULL, we really have a command. Print its |
1565 | documentation and return. | |
c5aa993b | 1566 | |
9f60d481 AC |
1567 | If c->func is NULL, we have a class name. Print its |
1568 | documentation (as if it were a command) and then set class to the | |
1569 | number of this class so that the commands in the class will be | |
1570 | listed. */ | |
c906108c | 1571 | |
7c05caf7 PW |
1572 | /* If the user asked 'help somecommand' and there is no alias, |
1573 | the false indicates to not output the (single) command name. */ | |
eccd14b3 SM |
1574 | fput_command_names_styled (*c, false, "\n", stream); |
1575 | fput_aliases_definition_styled (*c, stream); | |
0426ad51 TT |
1576 | gdb_puts (c->doc, stream); |
1577 | gdb_puts ("\n", stream); | |
c906108c | 1578 | |
034dce7a | 1579 | if (!c->is_prefix () && !c->is_command_class_help ()) |
c906108c | 1580 | return; |
3d0b3564 | 1581 | |
6cb06a8c | 1582 | gdb_printf (stream, "\n"); |
c906108c | 1583 | |
ebcd3b23 | 1584 | /* If this is a prefix command, print it's subcommands. */ |
3d0b3564 | 1585 | if (c->is_prefix ()) |
14b42fc4 | 1586 | help_list (*c->subcommands, c->prefixname ().c_str (), |
2f822da5 | 1587 | all_commands, stream); |
c906108c | 1588 | |
ebcd3b23 | 1589 | /* If this is a class name, print all of the commands in the class. */ |
034dce7a | 1590 | if (c->is_command_class_help ()) |
fe978cb0 | 1591 | help_list (cmdlist, "", c->theclass, stream); |
c906108c | 1592 | |
73bc900d | 1593 | if (c->hook_pre || c->hook_post) |
6cb06a8c TT |
1594 | gdb_printf (stream, |
1595 | "\nThis command has a hook (or hooks) defined:\n"); | |
73bc900d FN |
1596 | |
1597 | if (c->hook_pre) | |
6cb06a8c TT |
1598 | gdb_printf (stream, |
1599 | "\tThis command is run after : %s (pre hook)\n", | |
1600 | c->hook_pre->name); | |
73bc900d | 1601 | if (c->hook_post) |
6cb06a8c TT |
1602 | gdb_printf (stream, |
1603 | "\tThis command is run before : %s (post hook)\n", | |
1604 | c->hook_post->name); | |
c906108c SS |
1605 | } |
1606 | ||
1607 | /* | |
1608 | * Get a specific kind of help on a command list. | |
1609 | * | |
1610 | * LIST is the list. | |
1611 | * CMDTYPE is the prefix to use in the title string. | |
1612 | * CLASS is the class with which to list the nodes of this list (see | |
1613 | * documentation for help_cmd_list below), As usual, ALL_COMMANDS for | |
1614 | * everything, ALL_CLASSES for just classes, and non-negative for only things | |
1615 | * in a specific class. | |
1616 | * and STREAM is the output stream on which to print things. | |
1617 | * If you call this routine with a class >= 0, it recurses. | |
1618 | */ | |
1619 | void | |
64e61d29 | 1620 | help_list (struct cmd_list_element *list, const char *cmdtype, |
fe978cb0 | 1621 | enum command_class theclass, struct ui_file *stream) |
c906108c SS |
1622 | { |
1623 | int len; | |
1624 | char *cmdtype1, *cmdtype2; | |
c5aa993b | 1625 | |
ebcd3b23 MS |
1626 | /* If CMDTYPE is "foo ", CMDTYPE1 gets " foo" and CMDTYPE2 gets "foo sub". |
1627 | */ | |
c906108c SS |
1628 | len = strlen (cmdtype); |
1629 | cmdtype1 = (char *) alloca (len + 1); | |
1630 | cmdtype1[0] = 0; | |
1631 | cmdtype2 = (char *) alloca (len + 4); | |
1632 | cmdtype2[0] = 0; | |
1633 | if (len) | |
1634 | { | |
1635 | cmdtype1[0] = ' '; | |
29f9a567 | 1636 | memcpy (cmdtype1 + 1, cmdtype, len - 1); |
c906108c | 1637 | cmdtype1[len] = 0; |
29f9a567 | 1638 | memcpy (cmdtype2, cmdtype, len - 1); |
c906108c SS |
1639 | strcpy (cmdtype2 + len - 1, " sub"); |
1640 | } | |
1641 | ||
fe978cb0 | 1642 | if (theclass == all_classes) |
6cb06a8c | 1643 | gdb_printf (stream, "List of classes of %scommands:\n\n", cmdtype2); |
c906108c | 1644 | else |
6cb06a8c | 1645 | gdb_printf (stream, "List of %scommands:\n\n", cmdtype2); |
c906108c | 1646 | |
3b3aaacb | 1647 | help_cmd_list (list, theclass, theclass >= 0, stream); |
c906108c | 1648 | |
fe978cb0 | 1649 | if (theclass == all_classes) |
de74f71f | 1650 | { |
6cb06a8c | 1651 | gdb_printf (stream, "\n\ |
de74f71f | 1652 | Type \"help%s\" followed by a class name for a list of commands in ", |
6cb06a8c | 1653 | cmdtype1); |
1285ce86 | 1654 | stream->wrap_here (0); |
6cb06a8c | 1655 | gdb_printf (stream, "that class."); |
6e381ba0 | 1656 | |
6cb06a8c | 1657 | gdb_printf (stream, "\n\ |
6e381ba0 | 1658 | Type \"help all\" for the list of all commands."); |
de74f71f | 1659 | } |
c906108c | 1660 | |
6cb06a8c TT |
1661 | gdb_printf (stream, "\nType \"help%s\" followed by %scommand name ", |
1662 | cmdtype1, cmdtype2); | |
1285ce86 | 1663 | stream->wrap_here (0); |
0426ad51 | 1664 | gdb_puts ("for ", stream); |
1285ce86 | 1665 | stream->wrap_here (0); |
0426ad51 | 1666 | gdb_puts ("full ", stream); |
1285ce86 | 1667 | stream->wrap_here (0); |
0426ad51 TT |
1668 | gdb_puts ("documentation.\n", stream); |
1669 | gdb_puts ("Type \"apropos word\" to search " | |
1670 | "for commands related to \"word\".\n", stream); | |
1671 | gdb_puts ("Type \"apropos -v word\" for full documentation", stream); | |
1285ce86 | 1672 | stream->wrap_here (0); |
0426ad51 TT |
1673 | gdb_puts (" of commands related to \"word\".\n", stream); |
1674 | gdb_puts ("Command name abbreviations are allowed if unambiguous.\n", | |
1675 | stream); | |
c906108c | 1676 | } |
c5aa993b | 1677 | |
49a5a3a3 | 1678 | static void |
c85871a3 | 1679 | help_all (struct ui_file *stream) |
49a5a3a3 GM |
1680 | { |
1681 | struct cmd_list_element *c; | |
6e381ba0 | 1682 | int seen_unclassified = 0; |
49a5a3a3 GM |
1683 | |
1684 | for (c = cmdlist; c; c = c->next) | |
1685 | { | |
1686 | if (c->abbrev_flag) | |
dda83cd7 | 1687 | continue; |
ebcd3b23 MS |
1688 | /* If this is a class name, print all of the commands in the |
1689 | class. */ | |
6e381ba0 | 1690 | |
034dce7a | 1691 | if (c->is_command_class_help ()) |
6e381ba0 | 1692 | { |
6cb06a8c | 1693 | gdb_printf (stream, "\nCommand class: %s\n\n", c->name); |
3b3aaacb | 1694 | help_cmd_list (cmdlist, c->theclass, true, stream); |
6e381ba0 | 1695 | } |
49a5a3a3 | 1696 | } |
6e381ba0 VP |
1697 | |
1698 | /* While it's expected that all commands are in some class, | |
1699 | as a safety measure, we'll print commands outside of any | |
1700 | class at the end. */ | |
1701 | ||
1702 | for (c = cmdlist; c; c = c->next) | |
1703 | { | |
1704 | if (c->abbrev_flag) | |
dda83cd7 | 1705 | continue; |
6e381ba0 | 1706 | |
fe978cb0 | 1707 | if (c->theclass == no_class) |
6e381ba0 VP |
1708 | { |
1709 | if (!seen_unclassified) | |
1710 | { | |
6cb06a8c | 1711 | gdb_printf (stream, "\nUnclassified commands\n\n"); |
6e381ba0 VP |
1712 | seen_unclassified = 1; |
1713 | } | |
eccd14b3 | 1714 | print_help_for_command (*c, true, stream); |
6e381ba0 VP |
1715 | } |
1716 | } | |
1717 | ||
49a5a3a3 GM |
1718 | } |
1719 | ||
590042fc PW |
1720 | /* See cli-decode.h. */ |
1721 | ||
d318976c | 1722 | void |
590042fc PW |
1723 | print_doc_line (struct ui_file *stream, const char *str, |
1724 | bool for_value_prefix) | |
c906108c SS |
1725 | { |
1726 | static char *line_buffer = 0; | |
1727 | static int line_size; | |
1947513d | 1728 | const char *p; |
c906108c SS |
1729 | |
1730 | if (!line_buffer) | |
1731 | { | |
1732 | line_size = 80; | |
1733 | line_buffer = (char *) xmalloc (line_size); | |
1734 | } | |
1735 | ||
590042fc | 1736 | /* Searches for the first end of line or the end of STR. */ |
c906108c | 1737 | p = str; |
590042fc | 1738 | while (*p && *p != '\n') |
c906108c SS |
1739 | p++; |
1740 | if (p - str > line_size - 1) | |
1741 | { | |
1742 | line_size = p - str + 1; | |
b8c9b27d | 1743 | xfree (line_buffer); |
c906108c SS |
1744 | line_buffer = (char *) xmalloc (line_size); |
1745 | } | |
1746 | strncpy (line_buffer, str, p - str); | |
590042fc PW |
1747 | if (for_value_prefix) |
1748 | { | |
1749 | if (islower (line_buffer[0])) | |
1750 | line_buffer[0] = toupper (line_buffer[0]); | |
1751 | gdb_assert (p > str); | |
1752 | if (line_buffer[p - str - 1] == '.') | |
1753 | line_buffer[p - str - 1] = '\0'; | |
1754 | else | |
1755 | line_buffer[p - str] = '\0'; | |
1756 | } | |
1757 | else | |
1758 | line_buffer[p - str] = '\0'; | |
0426ad51 | 1759 | gdb_puts (line_buffer, stream); |
c906108c SS |
1760 | } |
1761 | ||
6e381ba0 VP |
1762 | /* Print one-line help for command C. |
1763 | If RECURSE is non-zero, also print one-line descriptions | |
ebcd3b23 | 1764 | of all prefixed subcommands. */ |
6e381ba0 | 1765 | static void |
eccd14b3 | 1766 | print_help_for_command (const cmd_list_element &c, |
3b3aaacb | 1767 | bool recurse, struct ui_file *stream) |
6e381ba0 | 1768 | { |
3b3aaacb | 1769 | fput_command_names_styled (c, true, " -- ", stream); |
eccd14b3 | 1770 | print_doc_line (stream, c.doc, false); |
0426ad51 | 1771 | gdb_puts ("\n", stream); |
eccd14b3 | 1772 | if (!c.default_args.empty ()) |
cf00cd6f PW |
1773 | fput_alias_definition_styled (c, stream); |
1774 | fput_aliases_definition_styled (c, stream); | |
66d8c862 | 1775 | |
6e381ba0 | 1776 | if (recurse |
eccd14b3 SM |
1777 | && c.is_prefix () |
1778 | && c.abbrev_flag == 0) | |
6e381ba0 VP |
1779 | /* Subcommands of a prefix command typically have 'all_commands' |
1780 | as class. If we pass CLASS to recursive invocation, | |
ebcd3b23 | 1781 | most often we won't see anything. */ |
eccd14b3 | 1782 | help_cmd_list (*c.subcommands, all_commands, true, stream); |
6e381ba0 VP |
1783 | } |
1784 | ||
c906108c SS |
1785 | /* |
1786 | * Implement a help command on command list LIST. | |
1787 | * RECURSE should be non-zero if this should be done recursively on | |
1788 | * all sublists of LIST. | |
c906108c | 1789 | * STREAM is the stream upon which the output should be written. |
2aa08bd1 | 1790 | * THECLASS should be: |
c5aa993b | 1791 | * A non-negative class number to list only commands in that |
c5aa993b JM |
1792 | * ALL_COMMANDS to list all commands in list. |
1793 | * ALL_CLASSES to list all classes in list. | |
c906108c | 1794 | * |
3b3aaacb PW |
1795 | * Note that aliases are only shown when THECLASS is class_alias. |
1796 | * In the other cases, the aliases will be shown together with their | |
1797 | * aliased command. | |
1798 | * | |
c906108c SS |
1799 | * Note that RECURSE will be active on *all* sublists, not just the |
1800 | * ones selected by the criteria above (ie. the selection mechanism | |
1801 | * is at the low level, not the high-level). | |
1802 | */ | |
3b3aaacb PW |
1803 | |
1804 | static void | |
fe978cb0 | 1805 | help_cmd_list (struct cmd_list_element *list, enum command_class theclass, |
3b3aaacb | 1806 | bool recurse, struct ui_file *stream) |
c906108c | 1807 | { |
d5b5ac79 | 1808 | struct cmd_list_element *c; |
c906108c SS |
1809 | |
1810 | for (c = list; c; c = c->next) | |
2aa08bd1 | 1811 | { |
3b3aaacb | 1812 | if (c->abbrev_flag == 1 || c->cmd_deprecated) |
c906108c | 1813 | { |
3b3aaacb PW |
1814 | /* Do not show abbreviations or deprecated commands. */ |
1815 | continue; | |
c906108c | 1816 | } |
3b3aaacb | 1817 | |
1be99b11 | 1818 | if (c->is_alias () && theclass != class_alias) |
3b3aaacb PW |
1819 | { |
1820 | /* Do not show an alias, unless specifically showing the | |
1821 | list of aliases: for all other classes, an alias is | |
1822 | shown (if needed) together with its aliased command. */ | |
1823 | continue; | |
1824 | } | |
1825 | ||
1826 | if (theclass == all_commands | |
034dce7a SM |
1827 | || (theclass == all_classes && c->is_command_class_help ()) |
1828 | || (theclass == c->theclass && !c->is_command_class_help ())) | |
3b3aaacb PW |
1829 | { |
1830 | /* show C when | |
dda83cd7 | 1831 | - showing all commands |
3b3aaacb PW |
1832 | - showing all classes and C is a help class |
1833 | - showing commands of THECLASS and C is not the help class */ | |
1834 | ||
1835 | /* If we show the class_alias and C is an alias, do not recurse, | |
1836 | as this would show the (possibly very long) not very useful | |
1837 | list of sub-commands of the aliased command. */ | |
1838 | print_help_for_command | |
eccd14b3 | 1839 | (*c, |
1be99b11 | 1840 | recurse && (theclass != class_alias || !c->is_alias ()), |
3b3aaacb PW |
1841 | stream); |
1842 | continue; | |
1843 | } | |
1844 | ||
1845 | if (recurse | |
1846 | && (theclass == class_user || theclass == class_alias) | |
3d0b3564 | 1847 | && c->is_prefix ()) |
3b3aaacb PW |
1848 | { |
1849 | /* User-defined commands or aliases may be subcommands. */ | |
14b42fc4 | 1850 | help_cmd_list (*c->subcommands, theclass, recurse, stream); |
3b3aaacb PW |
1851 | continue; |
1852 | } | |
1853 | ||
1854 | /* Do not show C or recurse on C, e.g. because C does not belong to | |
1855 | THECLASS or because C is a help class. */ | |
c906108c SS |
1856 | } |
1857 | } | |
c906108c | 1858 | \f |
c5aa993b | 1859 | |
c906108c SS |
1860 | /* Search the input clist for 'command'. Return the command if |
1861 | found (or NULL if not), and return the number of commands | |
ebcd3b23 | 1862 | found in nfound. */ |
c906108c SS |
1863 | |
1864 | static struct cmd_list_element * | |
6f937416 | 1865 | find_cmd (const char *command, int len, struct cmd_list_element *clist, |
fba45db2 | 1866 | int ignore_help_classes, int *nfound) |
c906108c SS |
1867 | { |
1868 | struct cmd_list_element *found, *c; | |
1869 | ||
b03e6ad9 | 1870 | found = NULL; |
c906108c SS |
1871 | *nfound = 0; |
1872 | for (c = clist; c; c = c->next) | |
1873 | if (!strncmp (command, c->name, len) | |
034dce7a | 1874 | && (!ignore_help_classes || !c->is_command_class_help ())) |
c906108c | 1875 | { |
c5aa993b JM |
1876 | found = c; |
1877 | (*nfound)++; | |
1878 | if (c->name[len] == '\0') | |
1879 | { | |
1880 | *nfound = 1; | |
1881 | break; | |
1882 | } | |
c906108c SS |
1883 | } |
1884 | return found; | |
1885 | } | |
1886 | ||
604c4576 JG |
1887 | /* Return the length of command name in TEXT. */ |
1888 | ||
1889 | int | |
3386243e AS |
1890 | find_command_name_length (const char *text) |
1891 | { | |
1892 | const char *p = text; | |
1893 | ||
1894 | /* Treating underscores as part of command words is important | |
1895 | so that "set args_foo()" doesn't get interpreted as | |
1896 | "set args _foo()". */ | |
ebcd3b23 MS |
1897 | /* Some characters are only used for TUI specific commands. |
1898 | However, they are always allowed for the sake of consistency. | |
1899 | ||
ebcd3b23 MS |
1900 | Note that this is larger than the character set allowed when |
1901 | creating user-defined commands. */ | |
1902 | ||
947d3946 | 1903 | /* Recognize the single character commands so that, e.g., "!ls" |
ed59ded5 | 1904 | works as expected. */ |
947d3946 | 1905 | if (*p == '!' || *p == '|') |
ed59ded5 DE |
1906 | return 1; |
1907 | ||
be09caf1 | 1908 | while (valid_cmd_char_p (*p) |
3386243e | 1909 | /* Characters used by TUI specific commands. */ |
4f45d445 | 1910 | || *p == '+' || *p == '<' || *p == '>' || *p == '$') |
3386243e AS |
1911 | p++; |
1912 | ||
1913 | return p - text; | |
1914 | } | |
1915 | ||
be09caf1 PW |
1916 | /* See command.h. */ |
1917 | ||
1918 | bool | |
1919 | valid_cmd_char_p (int c) | |
1920 | { | |
1921 | /* Alas "42" is a legitimate user-defined command. | |
1922 | In the interests of not breaking anything we preserve that. */ | |
1923 | ||
1924 | return isalnum (c) || c == '-' || c == '_' || c == '.'; | |
1925 | } | |
1926 | ||
1927 | /* See command.h. */ | |
5a56e9c5 | 1928 | |
7f008c9e | 1929 | bool |
5a56e9c5 DE |
1930 | valid_user_defined_cmd_name_p (const char *name) |
1931 | { | |
1932 | const char *p; | |
1933 | ||
1934 | if (*name == '\0') | |
7f008c9e | 1935 | return false; |
5a56e9c5 | 1936 | |
5a56e9c5 DE |
1937 | for (p = name; *p != '\0'; ++p) |
1938 | { | |
be09caf1 | 1939 | if (valid_cmd_char_p (*p)) |
5a56e9c5 DE |
1940 | ; /* Ok. */ |
1941 | else | |
7f008c9e | 1942 | return false; |
5a56e9c5 DE |
1943 | } |
1944 | ||
7f008c9e | 1945 | return true; |
5a56e9c5 DE |
1946 | } |
1947 | ||
1536146f | 1948 | /* See command.h. */ |
c906108c SS |
1949 | |
1950 | struct cmd_list_element * | |
6f937416 | 1951 | lookup_cmd_1 (const char **text, struct cmd_list_element *clist, |
cf00cd6f | 1952 | struct cmd_list_element **result_list, std::string *default_args, |
1536146f | 1953 | int ignore_help_classes, bool lookup_for_completion_p) |
c906108c | 1954 | { |
3386243e | 1955 | char *command; |
798a7429 | 1956 | int len, nfound; |
c906108c | 1957 | struct cmd_list_element *found, *c; |
cf00cd6f | 1958 | bool found_alias = false; |
6f937416 | 1959 | const char *line = *text; |
c906108c SS |
1960 | |
1961 | while (**text == ' ' || **text == '\t') | |
1962 | (*text)++; | |
1963 | ||
3386243e AS |
1964 | /* Identify the name of the command. */ |
1965 | len = find_command_name_length (*text); | |
c906108c SS |
1966 | |
1967 | /* If nothing but whitespace, return 0. */ | |
3386243e | 1968 | if (len == 0) |
c906108c | 1969 | return 0; |
c5aa993b | 1970 | |
c906108c | 1971 | /* *text and p now bracket the first command word to lookup (and |
ebcd3b23 | 1972 | it's length is len). We copy this into a local temporary. */ |
c906108c SS |
1973 | |
1974 | ||
1975 | command = (char *) alloca (len + 1); | |
22ad7fee | 1976 | memcpy (command, *text, len); |
c906108c SS |
1977 | command[len] = '\0'; |
1978 | ||
1979 | /* Look it up. */ | |
1980 | found = 0; | |
1981 | nfound = 0; | |
c5aa993b | 1982 | found = find_cmd (command, len, clist, ignore_help_classes, &nfound); |
c906108c | 1983 | |
c906108c SS |
1984 | /* If nothing matches, we have a simple failure. */ |
1985 | if (nfound == 0) | |
1986 | return 0; | |
1987 | ||
1988 | if (nfound > 1) | |
1989 | { | |
cf00cd6f | 1990 | if (result_list != nullptr) |
c906108c SS |
1991 | /* Will be modified in calling routine |
1992 | if we know what the prefix command is. */ | |
c5aa993b | 1993 | *result_list = 0; |
cf00cd6f PW |
1994 | if (default_args != nullptr) |
1995 | *default_args = std::string (); | |
1427fe5e | 1996 | return CMD_LIST_AMBIGUOUS; /* Ambiguous. */ |
c906108c SS |
1997 | } |
1998 | ||
ebcd3b23 | 1999 | /* We've matched something on this list. Move text pointer forward. */ |
c906108c | 2000 | |
3386243e | 2001 | *text += len; |
c906108c | 2002 | |
1be99b11 | 2003 | if (found->is_alias ()) |
56382845 | 2004 | { |
ebcd3b23 MS |
2005 | /* We drop the alias (abbreviation) in favor of the command it |
2006 | is pointing to. If the alias is deprecated, though, we need to | |
56382845 FN |
2007 | warn the user about it before we drop it. Note that while we |
2008 | are warning about the alias, we may also warn about the command | |
2009 | itself and we will adjust the appropriate DEPRECATED_WARN_USER | |
ebcd3b23 | 2010 | flags. */ |
cf00cd6f | 2011 | |
1536146f | 2012 | if (found->deprecated_warn_user && !lookup_for_completion_p) |
9ef6d4a1 | 2013 | deprecated_cmd_warning (line, clist); |
cf00cd6f | 2014 | |
44c77c32 | 2015 | |
cf00cd6f PW |
2016 | /* Return the default_args of the alias, not the default_args |
2017 | of the command it is pointing to. */ | |
2018 | if (default_args != nullptr) | |
2019 | *default_args = found->default_args; | |
99858724 | 2020 | found = found->alias_target; |
cf00cd6f | 2021 | found_alias = true; |
56382845 | 2022 | } |
c906108c SS |
2023 | /* If we found a prefix command, keep looking. */ |
2024 | ||
3d0b3564 | 2025 | if (found->is_prefix ()) |
c906108c | 2026 | { |
14b42fc4 | 2027 | c = lookup_cmd_1 (text, *found->subcommands, result_list, default_args, |
1536146f | 2028 | ignore_help_classes, lookup_for_completion_p); |
c906108c SS |
2029 | if (!c) |
2030 | { | |
2031 | /* Didn't find anything; this is as far as we got. */ | |
cf00cd6f | 2032 | if (result_list != nullptr) |
c906108c | 2033 | *result_list = clist; |
cf00cd6f PW |
2034 | if (!found_alias && default_args != nullptr) |
2035 | *default_args = found->default_args; | |
c906108c SS |
2036 | return found; |
2037 | } | |
1427fe5e | 2038 | else if (c == CMD_LIST_AMBIGUOUS) |
c906108c | 2039 | { |
ebcd3b23 MS |
2040 | /* We've gotten this far properly, but the next step is |
2041 | ambiguous. We need to set the result list to the best | |
c906108c | 2042 | we've found (if an inferior hasn't already set it). */ |
cf00cd6f | 2043 | if (result_list != nullptr) |
c906108c | 2044 | if (!*result_list) |
14b42fc4 | 2045 | /* This used to say *result_list = *found->subcommands. |
dda83cd7 SM |
2046 | If that was correct, need to modify the documentation |
2047 | at the top of this function to clarify what is | |
2048 | supposed to be going on. */ | |
c906108c | 2049 | *result_list = found; |
cf00cd6f PW |
2050 | /* For ambiguous commands, do not return any default_args args. */ |
2051 | if (default_args != nullptr) | |
2052 | *default_args = std::string (); | |
c906108c SS |
2053 | return c; |
2054 | } | |
2055 | else | |
2056 | { | |
2057 | /* We matched! */ | |
2058 | return c; | |
2059 | } | |
2060 | } | |
2061 | else | |
2062 | { | |
cf00cd6f | 2063 | if (result_list != nullptr) |
c906108c | 2064 | *result_list = clist; |
cf00cd6f PW |
2065 | if (!found_alias && default_args != nullptr) |
2066 | *default_args = found->default_args; | |
c906108c SS |
2067 | return found; |
2068 | } | |
2069 | } | |
2070 | ||
2071 | /* All this hair to move the space to the front of cmdtype */ | |
2072 | ||
2073 | static void | |
6f937416 | 2074 | undef_cmd_error (const char *cmdtype, const char *q) |
c906108c | 2075 | { |
8a3fe4f8 | 2076 | error (_("Undefined %scommand: \"%s\". Try \"help%s%.*s\"."), |
c5aa993b JM |
2077 | cmdtype, |
2078 | q, | |
2079 | *cmdtype ? " " : "", | |
823ca731 | 2080 | (int) strlen (cmdtype) - 1, |
c5aa993b | 2081 | cmdtype); |
c906108c SS |
2082 | } |
2083 | ||
2084 | /* Look up the contents of *LINE as a command in the command list LIST. | |
2085 | LIST is a chain of struct cmd_list_element's. | |
cf00cd6f PW |
2086 | If it is found, return the struct cmd_list_element for that command, |
2087 | update *LINE to point after the command name, at the first argument | |
2088 | and update *DEFAULT_ARGS (if DEFAULT_ARGS is not null) to the default | |
2089 | args to prepend to the user provided args when running the command. | |
2090 | Note that if the found cmd_list_element is found via an alias, | |
2091 | the default args of the alias are returned. | |
2092 | ||
c906108c SS |
2093 | If not found, call error if ALLOW_UNKNOWN is zero |
2094 | otherwise (or if error returns) return zero. | |
2095 | Call error if specified command is ambiguous, | |
2096 | unless ALLOW_UNKNOWN is negative. | |
2097 | CMDTYPE precedes the word "command" in the error message. | |
2098 | ||
30baf67b | 2099 | If IGNORE_HELP_CLASSES is nonzero, ignore any command list |
c906108c SS |
2100 | elements which are actually help classes rather than commands (i.e. |
2101 | the function field of the struct cmd_list_element is 0). */ | |
2102 | ||
2103 | struct cmd_list_element * | |
a121b7c1 PA |
2104 | lookup_cmd (const char **line, struct cmd_list_element *list, |
2105 | const char *cmdtype, | |
cf00cd6f | 2106 | std::string *default_args, |
fba45db2 | 2107 | int allow_unknown, int ignore_help_classes) |
c906108c SS |
2108 | { |
2109 | struct cmd_list_element *last_list = 0; | |
3cebf8d8 | 2110 | struct cmd_list_element *c; |
c64601c7 FN |
2111 | |
2112 | /* Note: Do not remove trailing whitespace here because this | |
2113 | would be wrong for complete_command. Jim Kingdon */ | |
c5aa993b | 2114 | |
3cebf8d8 MS |
2115 | if (!*line) |
2116 | error (_("Lack of needed %scommand"), cmdtype); | |
2117 | ||
cf00cd6f | 2118 | c = lookup_cmd_1 (line, list, &last_list, default_args, ignore_help_classes); |
3cebf8d8 | 2119 | |
c906108c SS |
2120 | if (!c) |
2121 | { | |
2122 | if (!allow_unknown) | |
2123 | { | |
3cebf8d8 MS |
2124 | char *q; |
2125 | int len = find_command_name_length (*line); | |
c906108c | 2126 | |
3cebf8d8 MS |
2127 | q = (char *) alloca (len + 1); |
2128 | strncpy (q, *line, len); | |
2129 | q[len] = '\0'; | |
2130 | undef_cmd_error (cmdtype, q); | |
c906108c SS |
2131 | } |
2132 | else | |
2133 | return 0; | |
2134 | } | |
1427fe5e | 2135 | else if (c == CMD_LIST_AMBIGUOUS) |
c906108c | 2136 | { |
14b42fc4 | 2137 | /* Ambigous. Local values should be off subcommands or called |
dda83cd7 | 2138 | values. */ |
c906108c SS |
2139 | int local_allow_unknown = (last_list ? last_list->allow_unknown : |
2140 | allow_unknown); | |
2f822da5 MB |
2141 | std::string local_cmdtype |
2142 | = last_list ? last_list->prefixname () : cmdtype; | |
c906108c | 2143 | struct cmd_list_element *local_list = |
14b42fc4 | 2144 | (last_list ? *(last_list->subcommands) : list); |
c5aa993b | 2145 | |
c906108c SS |
2146 | if (local_allow_unknown < 0) |
2147 | { | |
2148 | if (last_list) | |
2149 | return last_list; /* Found something. */ | |
2150 | else | |
2151 | return 0; /* Found nothing. */ | |
2152 | } | |
2153 | else | |
2154 | { | |
2155 | /* Report as error. */ | |
2156 | int amb_len; | |
2157 | char ambbuf[100]; | |
2158 | ||
2159 | for (amb_len = 0; | |
2160 | ((*line)[amb_len] && (*line)[amb_len] != ' ' | |
2161 | && (*line)[amb_len] != '\t'); | |
2162 | amb_len++) | |
2163 | ; | |
c5aa993b | 2164 | |
c906108c SS |
2165 | ambbuf[0] = 0; |
2166 | for (c = local_list; c; c = c->next) | |
2167 | if (!strncmp (*line, c->name, amb_len)) | |
2168 | { | |
9a2b4c1b MS |
2169 | if (strlen (ambbuf) + strlen (c->name) + 6 |
2170 | < (int) sizeof ambbuf) | |
c906108c SS |
2171 | { |
2172 | if (strlen (ambbuf)) | |
2173 | strcat (ambbuf, ", "); | |
2174 | strcat (ambbuf, c->name); | |
2175 | } | |
2176 | else | |
2177 | { | |
2178 | strcat (ambbuf, ".."); | |
2179 | break; | |
2180 | } | |
2181 | } | |
2f822da5 MB |
2182 | error (_("Ambiguous %scommand \"%s\": %s."), |
2183 | local_cmdtype.c_str (), *line, ambbuf); | |
c906108c SS |
2184 | } |
2185 | } | |
2186 | else | |
2187 | { | |
bf9e4d0c | 2188 | if (c->type == set_cmd && **line != '\0' && !isspace (**line)) |
dda83cd7 | 2189 | error (_("Argument must be preceded by space.")); |
bf9e4d0c | 2190 | |
c906108c | 2191 | /* We've got something. It may still not be what the caller |
dda83cd7 | 2192 | wants (if this command *needs* a subcommand). */ |
c906108c SS |
2193 | while (**line == ' ' || **line == '\t') |
2194 | (*line)++; | |
2195 | ||
3d0b3564 | 2196 | if (c->is_prefix () && **line && !c->allow_unknown) |
2f822da5 | 2197 | undef_cmd_error (c->prefixname ().c_str (), *line); |
c906108c SS |
2198 | |
2199 | /* Seems to be what he wants. Return it. */ | |
2200 | return c; | |
2201 | } | |
2202 | return 0; | |
2203 | } | |
c5aa993b | 2204 | |
a9b49cbc MB |
2205 | /* See command.h. */ |
2206 | ||
2207 | struct cmd_list_element * | |
2208 | lookup_cmd_exact (const char *name, | |
2209 | struct cmd_list_element *list, | |
2210 | bool ignore_help_classes) | |
2211 | { | |
2212 | const char *tem = name; | |
2213 | struct cmd_list_element *cmd = lookup_cmd (&tem, list, "", NULL, -1, | |
2214 | ignore_help_classes); | |
2215 | if (cmd != nullptr && strcmp (name, cmd->name) != 0) | |
2216 | cmd = nullptr; | |
2217 | return cmd; | |
2218 | } | |
2219 | ||
6f937416 | 2220 | /* We are here presumably because an alias or command in TEXT is |
ebcd3b23 | 2221 | deprecated and a warning message should be generated. This |
6f937416 | 2222 | function decodes TEXT and potentially generates a warning message |
ebcd3b23 | 2223 | as outlined below. |
56382845 FN |
2224 | |
2225 | Example for 'set endian big' which has a fictitious alias 'seb'. | |
2226 | ||
6f937416 | 2227 | If alias wasn't used in TEXT, and the command is deprecated: |
56382845 FN |
2228 | "warning: 'set endian big' is deprecated." |
2229 | ||
2230 | If alias was used, and only the alias is deprecated: | |
2231 | "warning: 'seb' an alias for the command 'set endian big' is deprecated." | |
2232 | ||
ebcd3b23 MS |
2233 | If alias was used and command is deprecated (regardless of whether |
2234 | the alias itself is deprecated: | |
56382845 FN |
2235 | |
2236 | "warning: 'set endian big' (seb) is deprecated." | |
2237 | ||
2238 | After the message has been sent, clear the appropriate flags in the | |
2239 | command and/or the alias so the user is no longer bothered. | |
2240 | ||
2241 | */ | |
2242 | void | |
9ef6d4a1 | 2243 | deprecated_cmd_warning (const char *text, struct cmd_list_element *list) |
56382845 | 2244 | { |
44c77c32 | 2245 | struct cmd_list_element *alias = nullptr; |
44c77c32 | 2246 | struct cmd_list_element *cmd = nullptr; |
edefbb7c | 2247 | |
19c659f1 AB |
2248 | /* Return if text doesn't evaluate to a command. We place this lookup |
2249 | within its own scope so that the PREFIX_CMD local is not visible | |
2250 | later in this function. The value returned in PREFIX_CMD is based on | |
2251 | the prefix found in TEXT, and is our case this prefix can be missing | |
2252 | in some situations (when LIST is not the global CMDLIST). | |
2253 | ||
2254 | It is better for our purposes to use the prefix commands directly from | |
2255 | the ALIAS and CMD results. */ | |
2256 | { | |
2257 | struct cmd_list_element *prefix_cmd = nullptr; | |
2258 | if (!lookup_cmd_composition_1 (text, &alias, &prefix_cmd, &cmd, list)) | |
2259 | return; | |
2260 | } | |
56382845 | 2261 | |
44c77c32 AB |
2262 | /* Return if nothing is deprecated. */ |
2263 | if (!((alias != nullptr ? alias->deprecated_warn_user : 0) | |
2264 | || cmd->deprecated_warn_user)) | |
56382845 | 2265 | return; |
56382845 | 2266 | |
44c77c32 AB |
2267 | /* Join command prefix (if any) and the command name. */ |
2268 | std::string tmp_cmd_str; | |
19c659f1 | 2269 | if (cmd->prefix != nullptr) |
2f822da5 | 2270 | tmp_cmd_str += cmd->prefix->prefixname (); |
44c77c32 | 2271 | tmp_cmd_str += std::string (cmd->name); |
56382845 | 2272 | |
44c77c32 AB |
2273 | /* Display the appropriate first line, this warns that the thing the user |
2274 | entered is deprecated. */ | |
2275 | if (alias != nullptr) | |
56382845 | 2276 | { |
19c659f1 AB |
2277 | /* Join the alias prefix (if any) and the alias name. */ |
2278 | std::string tmp_alias_str; | |
2279 | if (alias->prefix != nullptr) | |
2f822da5 | 2280 | tmp_alias_str += alias->prefix->prefixname (); |
19c659f1 AB |
2281 | tmp_alias_str += std::string (alias->name); |
2282 | ||
44c77c32 | 2283 | if (cmd->cmd_deprecated) |
6cb06a8c TT |
2284 | gdb_printf (_("Warning: command '%ps' (%ps) is deprecated.\n"), |
2285 | styled_string (title_style.style (), | |
2286 | tmp_cmd_str.c_str ()), | |
2287 | styled_string (title_style.style (), | |
2288 | tmp_alias_str.c_str ())); | |
56382845 | 2289 | else |
6cb06a8c TT |
2290 | gdb_printf (_("Warning: '%ps', an alias for the command '%ps', " |
2291 | "is deprecated.\n"), | |
2292 | styled_string (title_style.style (), | |
2293 | tmp_alias_str.c_str ()), | |
2294 | styled_string (title_style.style (), | |
2295 | tmp_cmd_str.c_str ())); | |
56382845 | 2296 | } |
44c77c32 | 2297 | else |
6cb06a8c TT |
2298 | gdb_printf (_("Warning: command '%ps' is deprecated.\n"), |
2299 | styled_string (title_style.style (), | |
2300 | tmp_cmd_str.c_str ())); | |
44c77c32 AB |
2301 | |
2302 | /* Now display a second line indicating what the user should use instead. | |
2303 | If it is only the alias that is deprecated, we want to indicate the | |
2304 | new alias, otherwise we'll indicate the new command. */ | |
2305 | const char *replacement; | |
2306 | if (alias != nullptr && !cmd->cmd_deprecated) | |
2307 | replacement = alias->replacement; | |
2308 | else | |
2309 | replacement = cmd->replacement; | |
2310 | if (replacement != nullptr) | |
6cb06a8c TT |
2311 | gdb_printf (_("Use '%ps'.\n\n"), |
2312 | styled_string (title_style.style (), | |
2313 | replacement)); | |
44c77c32 | 2314 | else |
6cb06a8c | 2315 | gdb_printf (_("No alternative known.\n\n")); |
56382845 | 2316 | |
ebcd3b23 | 2317 | /* We've warned you, now we'll keep quiet. */ |
44c77c32 | 2318 | if (alias != nullptr) |
1f2bdf09 | 2319 | alias->deprecated_warn_user = 0; |
1f2bdf09 | 2320 | cmd->deprecated_warn_user = 0; |
56382845 FN |
2321 | } |
2322 | ||
9ef6d4a1 | 2323 | /* Look up the contents of TEXT as a command in the command list CUR_LIST. |
56382845 | 2324 | Return 1 on success, 0 on failure. |
bc3609fd PW |
2325 | |
2326 | If TEXT refers to an alias, *ALIAS will point to that alias. | |
2327 | ||
2328 | If TEXT is a subcommand (i.e. one that is preceded by a prefix | |
2329 | command) set *PREFIX_CMD. | |
2330 | ||
2331 | Set *CMD to point to the command TEXT indicates. | |
2332 | ||
2333 | If any of *ALIAS, *PREFIX_CMD, or *CMD cannot be determined or do not | |
56382845 | 2334 | exist, they are NULL when we return. |
bc3609fd | 2335 | |
56382845 | 2336 | */ |
9ef6d4a1 AB |
2337 | |
2338 | static int | |
2339 | lookup_cmd_composition_1 (const char *text, | |
2340 | struct cmd_list_element **alias, | |
2341 | struct cmd_list_element **prefix_cmd, | |
2342 | struct cmd_list_element **cmd, | |
2343 | struct cmd_list_element *cur_list) | |
56382845 | 2344 | { |
19c659f1 AB |
2345 | *alias = nullptr; |
2346 | *prefix_cmd = cur_list->prefix; | |
2347 | *cmd = nullptr; | |
bc3609fd | 2348 | |
0605465f PW |
2349 | text = skip_spaces (text); |
2350 | ||
19c659f1 AB |
2351 | /* Go through as many command lists as we need to, to find the command |
2352 | TEXT refers to. */ | |
56382845 | 2353 | while (1) |
bc3609fd | 2354 | { |
3386243e | 2355 | /* Identify the name of the command. */ |
19c659f1 | 2356 | int len = find_command_name_length (text); |
bc3609fd | 2357 | |
56382845 | 2358 | /* If nothing but whitespace, return. */ |
3386243e AS |
2359 | if (len == 0) |
2360 | return 0; | |
bc3609fd PW |
2361 | |
2362 | /* TEXT is the start of the first command word to lookup (and | |
0605465f | 2363 | it's length is LEN). We copy this into a local temporary. */ |
19c659f1 | 2364 | std::string command (text, len); |
bc3609fd | 2365 | |
56382845 | 2366 | /* Look it up. */ |
19c659f1 AB |
2367 | int nfound = 0; |
2368 | *cmd = find_cmd (command.c_str (), len, cur_list, 1, &nfound); | |
bc3609fd | 2369 | |
19c659f1 AB |
2370 | /* We only handle the case where a single command was found. */ |
2371 | if (*cmd == CMD_LIST_AMBIGUOUS || *cmd == nullptr) | |
2372 | return 0; | |
56382845 | 2373 | else |
cdb27c12 | 2374 | { |
1be99b11 | 2375 | if ((*cmd)->is_alias ()) |
cdb27c12 | 2376 | { |
19c659f1 AB |
2377 | /* If the command was actually an alias, we note that an |
2378 | alias was used (by assigning *ALIAS) and we set *CMD. */ | |
cdb27c12 | 2379 | *alias = *cmd; |
99858724 | 2380 | *cmd = (*cmd)->alias_target; |
cdb27c12 | 2381 | } |
cdb27c12 | 2382 | } |
0605465f PW |
2383 | |
2384 | text += len; | |
2385 | text = skip_spaces (text); | |
2386 | ||
3d0b3564 | 2387 | if ((*cmd)->is_prefix () && *text != '\0') |
19c659f1 | 2388 | { |
14b42fc4 | 2389 | cur_list = *(*cmd)->subcommands; |
19c659f1 AB |
2390 | *prefix_cmd = *cmd; |
2391 | } | |
56382845 | 2392 | else |
cdb27c12 | 2393 | return 1; |
56382845 FN |
2394 | } |
2395 | } | |
2396 | ||
9ef6d4a1 AB |
2397 | /* Look up the contents of TEXT as a command in the command list 'cmdlist'. |
2398 | Return 1 on success, 0 on failure. | |
2399 | ||
2400 | If TEXT refers to an alias, *ALIAS will point to that alias. | |
2401 | ||
2402 | If TEXT is a subcommand (i.e. one that is preceded by a prefix | |
2403 | command) set *PREFIX_CMD. | |
2404 | ||
2405 | Set *CMD to point to the command TEXT indicates. | |
2406 | ||
2407 | If any of *ALIAS, *PREFIX_CMD, or *CMD cannot be determined or do not | |
2408 | exist, they are NULL when we return. | |
2409 | ||
2410 | */ | |
2411 | ||
2412 | int | |
2413 | lookup_cmd_composition (const char *text, | |
2414 | struct cmd_list_element **alias, | |
2415 | struct cmd_list_element **prefix_cmd, | |
2416 | struct cmd_list_element **cmd) | |
2417 | { | |
2418 | return lookup_cmd_composition_1 (text, alias, prefix_cmd, cmd, cmdlist); | |
2419 | } | |
2420 | ||
c906108c SS |
2421 | /* Helper function for SYMBOL_COMPLETION_FUNCTION. */ |
2422 | ||
2423 | /* Return a vector of char pointers which point to the different | |
ebcd3b23 | 2424 | possible completions in LIST of TEXT. |
c906108c SS |
2425 | |
2426 | WORD points in the same buffer as TEXT, and completions should be | |
ebcd3b23 MS |
2427 | returned relative to this position. For example, suppose TEXT is |
2428 | "foo" and we want to complete to "foobar". If WORD is "oo", return | |
c906108c SS |
2429 | "oobar"; if WORD is "baz/foo", return "baz/foobar". */ |
2430 | ||
eb3ff9a5 | 2431 | void |
6f937416 | 2432 | complete_on_cmdlist (struct cmd_list_element *list, |
eb3ff9a5 | 2433 | completion_tracker &tracker, |
6f937416 | 2434 | const char *text, const char *word, |
ace21957 | 2435 | int ignore_help_classes) |
c906108c SS |
2436 | { |
2437 | struct cmd_list_element *ptr; | |
c906108c | 2438 | int textlen = strlen (text); |
3f172e24 TT |
2439 | int pass; |
2440 | int saw_deprecated_match = 0; | |
c906108c | 2441 | |
3f172e24 TT |
2442 | /* We do one or two passes. In the first pass, we skip deprecated |
2443 | commands. If we see no matching commands in the first pass, and | |
2444 | if we did happen to see a matching deprecated command, we do | |
2445 | another loop to collect those. */ | |
eb3ff9a5 | 2446 | for (pass = 0; pass < 2; ++pass) |
3f172e24 | 2447 | { |
eb3ff9a5 PA |
2448 | bool got_matches = false; |
2449 | ||
3f172e24 TT |
2450 | for (ptr = list; ptr; ptr = ptr->next) |
2451 | if (!strncmp (ptr->name, text, textlen) | |
2452 | && !ptr->abbrev_flag | |
034dce7a | 2453 | && (!ignore_help_classes || !ptr->is_command_class_help () |
3d0b3564 | 2454 | || ptr->is_prefix ())) |
c906108c | 2455 | { |
3f172e24 TT |
2456 | if (pass == 0) |
2457 | { | |
1f2bdf09 | 2458 | if (ptr->cmd_deprecated) |
3f172e24 TT |
2459 | { |
2460 | saw_deprecated_match = 1; | |
2461 | continue; | |
2462 | } | |
2463 | } | |
c906108c | 2464 | |
60a20c19 PA |
2465 | tracker.add_completion |
2466 | (make_completion_match_str (ptr->name, text, word)); | |
eb3ff9a5 | 2467 | got_matches = true; |
c906108c | 2468 | } |
eb3ff9a5 PA |
2469 | |
2470 | if (got_matches) | |
2471 | break; | |
2472 | ||
3f172e24 TT |
2473 | /* If we saw no matching deprecated commands in the first pass, |
2474 | just bail out. */ | |
2475 | if (!saw_deprecated_match) | |
2476 | break; | |
2477 | } | |
c906108c SS |
2478 | } |
2479 | ||
2480 | /* Helper function for SYMBOL_COMPLETION_FUNCTION. */ | |
2481 | ||
eb3ff9a5 | 2482 | /* Add the different possible completions in ENUMLIST of TEXT. |
c906108c SS |
2483 | |
2484 | WORD points in the same buffer as TEXT, and completions should be | |
2485 | returned relative to this position. For example, suppose TEXT is "foo" | |
2486 | and we want to complete to "foobar". If WORD is "oo", return | |
2487 | "oobar"; if WORD is "baz/foo", return "baz/foobar". */ | |
2488 | ||
eb3ff9a5 PA |
2489 | void |
2490 | complete_on_enum (completion_tracker &tracker, | |
2491 | const char *const *enumlist, | |
6f937416 | 2492 | const char *text, const char *word) |
c906108c | 2493 | { |
c906108c SS |
2494 | int textlen = strlen (text); |
2495 | int i; | |
53904c9e | 2496 | const char *name; |
c906108c | 2497 | |
c906108c SS |
2498 | for (i = 0; (name = enumlist[i]) != NULL; i++) |
2499 | if (strncmp (name, text, textlen) == 0) | |
60a20c19 | 2500 | tracker.add_completion (make_completion_match_str (name, text, word)); |
c906108c SS |
2501 | } |
2502 | ||
ebcd3b23 | 2503 | /* Call the command function. */ |
f436dd25 | 2504 | void |
95a6b0a1 | 2505 | cmd_func (struct cmd_list_element *cmd, const char *args, int from_tty) |
f436dd25 | 2506 | { |
034dce7a | 2507 | if (!cmd->is_command_class_help ()) |
4034d0ff | 2508 | { |
f36c8918 | 2509 | gdb::optional<scoped_restore_tmpl<bool>> restore_suppress; |
4034d0ff AT |
2510 | |
2511 | if (cmd->suppress_notification != NULL) | |
f36c8918 | 2512 | restore_suppress.emplace (cmd->suppress_notification, true); |
4034d0ff | 2513 | |
5538b03c | 2514 | cmd->func (args, from_tty, cmd); |
4034d0ff | 2515 | } |
f436dd25 | 2516 | else |
8a3fe4f8 | 2517 | error (_("Invalid command")); |
f436dd25 | 2518 | } |
a9f116cb GKB |
2519 | |
2520 | int | |
2521 | cli_user_command_p (struct cmd_list_element *cmd) | |
2522 | { | |
5538b03c | 2523 | return cmd->theclass == class_user && cmd->func == do_simple_func; |
a9f116cb | 2524 | } |