Commit | Line | Data |
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7d9884b9 JG |
1 | /* Handle lists of commands, their decoding and documentation, for GDB. |
2 | Copyright 1986, 1989, 1990, 1991 Free Software Foundation, Inc. | |
dd3b648e | 3 | |
99a7de40 JG |
4 | This program is free software; you can redistribute it and/or modify |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
dd3b648e | 8 | |
99a7de40 JG |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
dd3b648e | 13 | |
99a7de40 JG |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
dd3b648e RP |
17 | |
18 | #include "defs.h" | |
4369a140 | 19 | #include "gdbcmd.h" |
dd3b648e RP |
20 | #include "symtab.h" |
21 | #include "value.h" | |
dd3b648e RP |
22 | #include <ctype.h> |
23 | #include <string.h> | |
24 | ||
1ab3bf1b JG |
25 | /* Prototypes for local functions */ |
26 | ||
27 | static void | |
28 | undef_cmd_error PARAMS ((char *, char *)); | |
29 | ||
30 | static void | |
31 | show_user PARAMS ((char *, int)); | |
32 | ||
33 | static void | |
34 | show_user_1 PARAMS ((struct cmd_list_element *, FILE *)); | |
35 | ||
36 | static void | |
37 | make_command PARAMS ((char *, int)); | |
38 | ||
39 | static void | |
40 | shell_escape PARAMS ((char *, int)); | |
41 | ||
42 | static int | |
43 | parse_binary_operation PARAMS ((char *)); | |
44 | ||
45 | static void | |
46 | print_doc_line PARAMS ((FILE *, char *)); | |
dd3b648e RP |
47 | |
48 | /* Add element named NAME to command list *LIST. | |
49 | FUN should be the function to execute the command; | |
50 | it will get a character string as argument, with leading | |
51 | and trailing blanks already eliminated. | |
52 | ||
53 | DOC is a documentation string for the command. | |
54 | Its first line should be a complete sentence. | |
55 | It should start with ? for a command that is an abbreviation | |
56 | or with * for a command that most users don't need to know about. */ | |
57 | ||
58 | struct cmd_list_element * | |
59 | add_cmd (name, class, fun, doc, list) | |
60 | char *name; | |
61 | enum command_class class; | |
1ab3bf1b | 62 | void (*fun) PARAMS ((char *, int)); |
dd3b648e RP |
63 | char *doc; |
64 | struct cmd_list_element **list; | |
65 | { | |
66 | register struct cmd_list_element *c | |
67 | = (struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element)); | |
68 | ||
69 | delete_cmd (name, list); | |
70 | c->next = *list; | |
71 | c->name = name; | |
72 | c->class = class; | |
1ab3bf1b | 73 | c->function.cfunc = fun; |
dd3b648e RP |
74 | c->doc = doc; |
75 | c->prefixlist = 0; | |
76 | c->prefixname = (char *)NULL; | |
77 | c->allow_unknown = 0; | |
78 | c->abbrev_flag = 0; | |
79 | c->aux = 0; | |
80 | c->type = not_set_cmd; | |
81 | c->completer = make_symbol_completion_list; | |
82 | c->var = 0; | |
83 | c->var_type = var_boolean; | |
84 | c->user_commands = 0; | |
85 | *list = c; | |
86 | return c; | |
87 | } | |
88 | ||
89 | /* Same as above, except that the abbrev_flag is set. */ | |
90 | ||
1ab3bf1b JG |
91 | #if 0 /* Currently unused */ |
92 | ||
dd3b648e RP |
93 | struct cmd_list_element * |
94 | add_abbrev_cmd (name, class, fun, doc, list) | |
95 | char *name; | |
96 | enum command_class class; | |
1ab3bf1b | 97 | void (*fun) PARAMS ((char *, int)); |
dd3b648e RP |
98 | char *doc; |
99 | struct cmd_list_element **list; | |
100 | { | |
101 | register struct cmd_list_element *c | |
102 | = add_cmd (name, class, fun, doc, list); | |
103 | ||
104 | c->abbrev_flag = 1; | |
105 | return c; | |
106 | } | |
107 | ||
1ab3bf1b JG |
108 | #endif |
109 | ||
dd3b648e RP |
110 | struct cmd_list_element * |
111 | add_alias_cmd (name, oldname, class, abbrev_flag, list) | |
112 | char *name; | |
113 | char *oldname; | |
114 | enum command_class class; | |
115 | int abbrev_flag; | |
116 | struct cmd_list_element **list; | |
117 | { | |
118 | /* Must do this since lookup_cmd tries to side-effect its first arg */ | |
119 | char *copied_name; | |
120 | register struct cmd_list_element *old; | |
121 | register struct cmd_list_element *c; | |
122 | copied_name = (char *) alloca (strlen (oldname) + 1); | |
123 | strcpy (copied_name, oldname); | |
124 | old = lookup_cmd (&copied_name, *list, "", 1, 1); | |
125 | ||
126 | if (old == 0) | |
127 | { | |
128 | delete_cmd (name, list); | |
129 | return 0; | |
130 | } | |
131 | ||
1ab3bf1b | 132 | c = add_cmd (name, class, old->function.cfunc, old->doc, list); |
dd3b648e RP |
133 | c->prefixlist = old->prefixlist; |
134 | c->prefixname = old->prefixname; | |
135 | c->allow_unknown = old->allow_unknown; | |
136 | c->abbrev_flag = abbrev_flag; | |
137 | c->aux = old->aux; | |
138 | return c; | |
139 | } | |
140 | ||
141 | /* Like add_cmd but adds an element for a command prefix: | |
142 | a name that should be followed by a subcommand to be looked up | |
143 | in another command list. PREFIXLIST should be the address | |
144 | of the variable containing that list. */ | |
145 | ||
146 | struct cmd_list_element * | |
147 | add_prefix_cmd (name, class, fun, doc, prefixlist, prefixname, | |
148 | allow_unknown, list) | |
149 | char *name; | |
150 | enum command_class class; | |
1ab3bf1b | 151 | void (*fun) PARAMS ((char *, int)); |
dd3b648e RP |
152 | char *doc; |
153 | struct cmd_list_element **prefixlist; | |
154 | char *prefixname; | |
155 | int allow_unknown; | |
156 | struct cmd_list_element **list; | |
157 | { | |
158 | register struct cmd_list_element *c = add_cmd (name, class, fun, doc, list); | |
159 | c->prefixlist = prefixlist; | |
160 | c->prefixname = prefixname; | |
161 | c->allow_unknown = allow_unknown; | |
162 | return c; | |
163 | } | |
164 | ||
165 | /* Like add_prefix_cmd butsets the abbrev_flag on the new command. */ | |
166 | ||
167 | struct cmd_list_element * | |
168 | add_abbrev_prefix_cmd (name, class, fun, doc, prefixlist, prefixname, | |
1ab3bf1b | 169 | allow_unknown, list) |
dd3b648e RP |
170 | char *name; |
171 | enum command_class class; | |
1ab3bf1b | 172 | void (*fun) PARAMS ((char *, int)); |
dd3b648e RP |
173 | char *doc; |
174 | struct cmd_list_element **prefixlist; | |
175 | char *prefixname; | |
176 | int allow_unknown; | |
177 | struct cmd_list_element **list; | |
178 | { | |
179 | register struct cmd_list_element *c = add_cmd (name, class, fun, doc, list); | |
180 | c->prefixlist = prefixlist; | |
181 | c->prefixname = prefixname; | |
182 | c->allow_unknown = allow_unknown; | |
183 | c->abbrev_flag = 1; | |
184 | return c; | |
185 | } | |
186 | ||
e1ce8aa5 | 187 | /* ARGSUSED */ |
dd3b648e RP |
188 | void |
189 | not_just_help_class_command (args, from_tty, c) | |
190 | char *args; | |
191 | int from_tty; | |
192 | struct cmd_list_element *c; | |
193 | { | |
194 | } | |
195 | ||
196 | /* Add element named NAME to command list LIST (the list for set | |
197 | or some sublist thereof). | |
198 | CLASS is as in add_cmd. | |
199 | VAR_TYPE is the kind of thing we are setting. | |
200 | VAR is address of the variable being controlled by this command. | |
201 | DOC is the documentation string. */ | |
1ab3bf1b | 202 | |
dd3b648e RP |
203 | struct cmd_list_element * |
204 | add_set_cmd (name, class, var_type, var, doc, list) | |
205 | char *name; | |
206 | enum command_class class; | |
207 | var_types var_type; | |
208 | char *var; | |
209 | char *doc; | |
210 | struct cmd_list_element **list; | |
211 | { | |
212 | /* For set/show, we have to call do_setshow_command | |
213 | differently than an ordinary function (take commandlist as | |
214 | well as arg), so the function field isn't helpful. However, | |
215 | function == NULL means that it's a help class, so set the function | |
216 | to not_just_help_class_command. */ | |
217 | struct cmd_list_element *c | |
218 | = add_cmd (name, class, not_just_help_class_command, doc, list); | |
219 | ||
220 | c->type = set_cmd; | |
221 | c->var_type = var_type; | |
222 | c->var = var; | |
223 | return c; | |
224 | } | |
225 | ||
226 | /* Where SETCMD has already been added, add the corresponding show | |
227 | command to LIST and return a pointer to it. */ | |
228 | struct cmd_list_element * | |
229 | add_show_from_set (setcmd, list) | |
230 | struct cmd_list_element *setcmd; | |
231 | struct cmd_list_element **list; | |
232 | { | |
233 | struct cmd_list_element *showcmd = | |
234 | (struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element)); | |
235 | ||
236 | bcopy (setcmd, showcmd, sizeof (struct cmd_list_element)); | |
237 | delete_cmd (showcmd->name, list); | |
238 | showcmd->type = show_cmd; | |
239 | ||
240 | /* Replace "set " at start of docstring with "show ". */ | |
241 | if (setcmd->doc[0] == 'S' && setcmd->doc[1] == 'e' | |
242 | && setcmd->doc[2] == 't' && setcmd->doc[3] == ' ') | |
58ae87f6 | 243 | showcmd->doc = concat ("Show ", setcmd->doc + 4, NULL); |
dd3b648e RP |
244 | else |
245 | fprintf (stderr, "GDB internal error: Bad docstring for set command\n"); | |
246 | ||
247 | showcmd->next = *list; | |
248 | *list = showcmd; | |
249 | return showcmd; | |
250 | } | |
251 | ||
252 | /* Remove the command named NAME from the command list. */ | |
253 | ||
254 | void | |
255 | delete_cmd (name, list) | |
256 | char *name; | |
257 | struct cmd_list_element **list; | |
258 | { | |
259 | register struct cmd_list_element *c; | |
260 | struct cmd_list_element *p; | |
261 | ||
262 | while (*list && !strcmp ((*list)->name, name)) | |
263 | { | |
264 | p = (*list)->next; | |
265 | free (*list); | |
266 | *list = p; | |
267 | } | |
268 | ||
269 | if (*list) | |
270 | for (c = *list; c->next;) | |
271 | { | |
272 | if (!strcmp (c->next->name, name)) | |
273 | { | |
274 | p = c->next->next; | |
275 | free (c->next); | |
276 | c->next = p; | |
277 | } | |
278 | else | |
279 | c = c->next; | |
280 | } | |
281 | } | |
282 | ||
dd3b648e RP |
283 | /* This command really has to deal with two things: |
284 | * 1) I want documentation on *this string* (usually called by | |
285 | * "help commandname"). | |
286 | * 2) I want documentation on *this list* (usually called by | |
287 | * giving a command that requires subcommands. Also called by saying | |
288 | * just "help".) | |
289 | * | |
290 | * I am going to split this into two seperate comamnds, help_cmd and | |
291 | * help_list. | |
292 | */ | |
293 | ||
294 | void | |
295 | help_cmd (command, stream) | |
296 | char *command; | |
297 | FILE *stream; | |
298 | { | |
299 | struct cmd_list_element *c; | |
300 | extern struct cmd_list_element *cmdlist; | |
301 | ||
302 | if (!command) | |
303 | { | |
304 | help_list (cmdlist, "", all_classes, stream); | |
305 | return; | |
306 | } | |
307 | ||
308 | c = lookup_cmd (&command, cmdlist, "", 0, 0); | |
309 | ||
310 | if (c == 0) | |
311 | return; | |
312 | ||
313 | /* There are three cases here. | |
314 | If c->prefixlist is nonzero, we have a prefix command. | |
315 | Print its documentation, then list its subcommands. | |
316 | ||
317 | If c->function is nonzero, we really have a command. | |
318 | Print its documentation and return. | |
319 | ||
320 | If c->function is zero, we have a class name. | |
321 | Print its documentation (as if it were a command) | |
322 | and then set class to the number of this class | |
323 | so that the commands in the class will be listed. */ | |
324 | ||
325 | fputs_filtered (c->doc, stream); | |
326 | fputs_filtered ("\n", stream); | |
327 | ||
1ab3bf1b | 328 | if (c->prefixlist == 0 && c->function.cfunc != NULL) |
dd3b648e RP |
329 | return; |
330 | fprintf_filtered (stream, "\n"); | |
331 | ||
332 | /* If this is a prefix command, print it's subcommands */ | |
333 | if (c->prefixlist) | |
334 | help_list (*c->prefixlist, c->prefixname, all_commands, stream); | |
335 | ||
336 | /* If this is a class name, print all of the commands in the class */ | |
1ab3bf1b | 337 | if (c->function.cfunc == NULL) |
dd3b648e RP |
338 | help_list (cmdlist, "", c->class, stream); |
339 | } | |
340 | ||
341 | /* | |
342 | * Get a specific kind of help on a command list. | |
343 | * | |
344 | * LIST is the list. | |
345 | * CMDTYPE is the prefix to use in the title string. | |
346 | * CLASS is the class with which to list the nodes of this list (see | |
347 | * documentation for help_cmd_list below), As usual, ALL_COMMANDS for | |
348 | * everything, ALL_CLASSES for just classes, and non-negative for only things | |
349 | * in a specific class. | |
350 | * and STREAM is the output stream on which to print things. | |
351 | * If you call this routine with a class >= 0, it recurses. | |
352 | */ | |
353 | void | |
354 | help_list (list, cmdtype, class, stream) | |
355 | struct cmd_list_element *list; | |
356 | char *cmdtype; | |
357 | enum command_class class; | |
358 | FILE *stream; | |
359 | { | |
360 | int len; | |
361 | char *cmdtype1, *cmdtype2; | |
362 | ||
363 | /* If CMDTYPE is "foo ", CMDTYPE1 gets " foo" and CMDTYPE2 gets "foo sub" */ | |
364 | len = strlen (cmdtype); | |
365 | cmdtype1 = (char *) alloca (len + 1); | |
366 | cmdtype1[0] = 0; | |
367 | cmdtype2 = (char *) alloca (len + 4); | |
368 | cmdtype2[0] = 0; | |
369 | if (len) | |
370 | { | |
371 | cmdtype1[0] = ' '; | |
372 | strncpy (cmdtype1 + 1, cmdtype, len - 1); | |
373 | cmdtype1[len] = 0; | |
374 | strncpy (cmdtype2, cmdtype, len - 1); | |
375 | strcpy (cmdtype2 + len - 1, " sub"); | |
376 | } | |
377 | ||
378 | if (class == all_classes) | |
379 | fprintf_filtered (stream, "List of classes of %scommands:\n\n", cmdtype2); | |
380 | else | |
381 | fprintf_filtered (stream, "List of %scommands:\n\n", cmdtype2); | |
382 | ||
383 | help_cmd_list (list, class, cmdtype, (int)class >= 0, stream); | |
384 | ||
385 | if (class == all_classes) | |
386 | fprintf_filtered (stream, "\n\ | |
387 | Type \"help%s\" followed by a class name for a list of commands in that class.", | |
388 | cmdtype1); | |
389 | ||
390 | fprintf_filtered (stream, "\n\ | |
391 | Type \"help%s\" followed by %scommand name for full documentation.\n\ | |
392 | Command name abbreviations are allowed if unambiguous.\n", | |
393 | cmdtype1, cmdtype2); | |
394 | } | |
395 | ||
396 | /* Print only the first line of STR on STREAM. */ | |
397 | static void | |
398 | print_doc_line (stream, str) | |
399 | FILE *stream; | |
400 | char *str; | |
401 | { | |
402 | static char *line_buffer = 0; | |
403 | static int line_size; | |
404 | register char *p; | |
405 | ||
406 | if (!line_buffer) | |
407 | { | |
408 | line_size = 80; | |
409 | line_buffer = (char *) xmalloc (line_size); | |
410 | } | |
411 | ||
412 | p = str; | |
413 | while (*p && *p != '\n' && *p != '.' && *p != ',') | |
414 | p++; | |
415 | if (p - str > line_size - 1) | |
416 | { | |
417 | line_size = p - str + 1; | |
418 | free (line_buffer); | |
419 | line_buffer = (char *) xmalloc (line_size); | |
420 | } | |
421 | strncpy (line_buffer, str, p - str); | |
422 | line_buffer[p - str] = '\0'; | |
423 | if (islower (line_buffer[0])) | |
424 | line_buffer[0] = toupper (line_buffer[0]); | |
425 | fputs_filtered (line_buffer, stream); | |
426 | } | |
427 | ||
428 | /* | |
429 | * Implement a help command on command list LIST. | |
430 | * RECURSE should be non-zero if this should be done recursively on | |
431 | * all sublists of LIST. | |
432 | * PREFIX is the prefix to print before each command name. | |
433 | * STREAM is the stream upon which the output should be written. | |
434 | * CLASS should be: | |
435 | * A non-negative class number to list only commands in that | |
436 | * class. | |
437 | * ALL_COMMANDS to list all commands in list. | |
438 | * ALL_CLASSES to list all classes in list. | |
439 | * | |
440 | * Note that RECURSE will be active on *all* sublists, not just the | |
1ab3bf1b | 441 | * ones selected by the criteria above (ie. the selection mechanism |
dd3b648e RP |
442 | * is at the low level, not the high-level). |
443 | */ | |
444 | void | |
445 | help_cmd_list (list, class, prefix, recurse, stream) | |
446 | struct cmd_list_element *list; | |
447 | enum command_class class; | |
448 | char *prefix; | |
449 | int recurse; | |
450 | FILE *stream; | |
451 | { | |
452 | register struct cmd_list_element *c; | |
453 | ||
454 | for (c = list; c; c = c->next) | |
455 | { | |
456 | if (c->abbrev_flag == 0 && | |
457 | (class == all_commands | |
1ab3bf1b JG |
458 | || (class == all_classes && c->function.cfunc == NULL) |
459 | || (class == c->class && c->function.cfunc != NULL))) | |
dd3b648e RP |
460 | { |
461 | fprintf_filtered (stream, "%s%s -- ", prefix, c->name); | |
462 | print_doc_line (stream, c->doc); | |
463 | fputs_filtered ("\n", stream); | |
464 | } | |
465 | if (recurse | |
466 | && c->prefixlist != 0 | |
467 | && c->abbrev_flag == 0) | |
468 | help_cmd_list (*c->prefixlist, class, c->prefixname, 1, stream); | |
469 | } | |
470 | } | |
471 | \f | |
472 | /* This routine takes a line of TEXT and a CLIST in which to | |
473 | start the lookup. When it returns it will have incremented the text | |
474 | pointer past the section of text it matched, set *RESULT_LIST to | |
475 | the list in which the last word was matched, and will return the | |
476 | cmd list element which the text matches. It will return 0 if no | |
477 | match at all was possible. It will return -1 if ambigous matches are | |
478 | possible; in this case *RESULT_LIST will be set to the list in which | |
479 | there are ambiguous choices (and text will be set to the ambiguous | |
480 | text string). | |
481 | ||
482 | It does no error reporting whatsoever; control will always return | |
483 | to the superior routine. | |
484 | ||
485 | In the case of an ambiguous return (-1), *RESULT_LIST will be set to | |
486 | point at the prefix_command (ie. the best match) *or* (special | |
487 | case) will be 0 if no prefix command was ever found. For example, | |
488 | in the case of "info a", "info" matches without ambiguity, but "a" | |
489 | could be "args" or "address", so *RESULT_LIST is set to | |
490 | the cmd_list_element for "info". So in this case | |
491 | result list should not be interpeted as a pointer to the beginning | |
492 | of a list; it simply points to a specific command. | |
493 | ||
494 | If RESULT_LIST is NULL, don't set *RESULT_LIST (but don't otherwise | |
495 | affect the operation). | |
496 | ||
497 | This routine does *not* modify the text pointed to by TEXT. | |
498 | ||
499 | If IGNORE_HELP_CLASSES is nonzero, ignore any command list | |
500 | elements which are actually help classes rather than commands (i.e. | |
501 | the function field of the struct cmd_list_element is 0). */ | |
502 | ||
503 | struct cmd_list_element * | |
504 | lookup_cmd_1 (text, clist, result_list, ignore_help_classes) | |
505 | char **text; | |
506 | struct cmd_list_element *clist, **result_list; | |
507 | int ignore_help_classes; | |
508 | { | |
509 | char *p, *command; | |
510 | int len, tmp, nfound; | |
511 | struct cmd_list_element *found, *c; | |
512 | ||
513 | while (**text == ' ' || **text == '\t') | |
514 | (*text)++; | |
515 | ||
516 | /* Treating underscores as part of command words is important | |
517 | so that "set args_foo()" doesn't get interpreted as | |
518 | "set args _foo()". */ | |
519 | for (p = *text; | |
520 | *p && (isalnum(*p) || *p == '-' || *p == '_'); | |
521 | p++) | |
522 | ; | |
523 | ||
524 | /* If nothing but whitespace, return 0. */ | |
525 | if (p == *text) | |
526 | return 0; | |
527 | ||
528 | len = p - *text; | |
529 | ||
530 | /* *text and p now bracket the first command word to lookup (and | |
531 | it's length is len). We copy this into a local temporary, | |
532 | converting to lower case as we go. */ | |
533 | ||
534 | command = (char *) alloca (len + 1); | |
535 | for (tmp = 0; tmp < len; tmp++) | |
536 | { | |
537 | char x = (*text)[tmp]; | |
538 | command[tmp] = (x >= 'A' && x <= 'Z') ? x - 'A' + 'a' : x; | |
539 | } | |
540 | command[len] = '\0'; | |
541 | ||
542 | /* Look it up. */ | |
543 | found = 0; | |
544 | nfound = 0; | |
545 | for (c = clist; c; c = c->next) | |
546 | if (!strncmp (command, c->name, len) | |
1ab3bf1b | 547 | && (!ignore_help_classes || c->function.cfunc)) |
dd3b648e RP |
548 | { |
549 | found = c; | |
550 | nfound++; | |
551 | if (c->name[len] == '\0') | |
552 | { | |
553 | nfound = 1; | |
554 | break; | |
555 | } | |
556 | } | |
557 | ||
558 | /* If nothing matches, we have a simple failure. */ | |
559 | if (nfound == 0) | |
560 | return 0; | |
561 | ||
562 | if (nfound > 1) | |
563 | { | |
564 | if (result_list != NULL) | |
565 | /* Will be modified in calling routine | |
566 | if we know what the prefix command is. */ | |
567 | *result_list = 0; | |
568 | return (struct cmd_list_element *) -1; /* Ambiguous. */ | |
569 | } | |
570 | ||
571 | /* We've matched something on this list. Move text pointer forward. */ | |
572 | ||
573 | *text = p; | |
574 | if (found->prefixlist) | |
575 | { | |
576 | c = lookup_cmd_1 (text, *found->prefixlist, result_list, | |
577 | ignore_help_classes); | |
578 | if (!c) | |
579 | { | |
580 | /* Didn't find anything; this is as far as we got. */ | |
581 | if (result_list != NULL) | |
582 | *result_list = clist; | |
583 | return found; | |
584 | } | |
585 | else if (c == (struct cmd_list_element *) -1) | |
586 | { | |
587 | /* We've gotten this far properley, but the next step | |
588 | is ambiguous. We need to set the result list to the best | |
589 | we've found (if an inferior hasn't already set it). */ | |
590 | if (result_list != NULL) | |
591 | if (!*result_list) | |
592 | /* This used to say *result_list = *found->prefixlist | |
593 | If that was correct, need to modify the documentation | |
594 | at the top of this function to clarify what is supposed | |
595 | to be going on. */ | |
596 | *result_list = found; | |
597 | return c; | |
598 | } | |
599 | else | |
600 | { | |
601 | /* We matched! */ | |
602 | return c; | |
603 | } | |
604 | } | |
605 | else | |
606 | { | |
607 | if (result_list != NULL) | |
608 | *result_list = clist; | |
609 | return found; | |
610 | } | |
611 | } | |
612 | ||
81066208 JG |
613 | /* All this hair to move the space to the front of cmdtype */ |
614 | ||
1ab3bf1b | 615 | static void |
81066208 JG |
616 | undef_cmd_error (cmdtype, q) |
617 | char *cmdtype, *q; | |
618 | { | |
619 | error ("Undefined %scommand: \"%s\". Try \"help%s%.*s\".", | |
620 | cmdtype, | |
621 | q, | |
622 | *cmdtype? " ": "", | |
623 | strlen(cmdtype)-1, | |
624 | cmdtype); | |
625 | } | |
626 | ||
dd3b648e RP |
627 | /* Look up the contents of *LINE as a command in the command list LIST. |
628 | LIST is a chain of struct cmd_list_element's. | |
629 | If it is found, return the struct cmd_list_element for that command | |
630 | and update *LINE to point after the command name, at the first argument. | |
631 | If not found, call error if ALLOW_UNKNOWN is zero | |
632 | otherwise (or if error returns) return zero. | |
633 | Call error if specified command is ambiguous, | |
634 | unless ALLOW_UNKNOWN is negative. | |
635 | CMDTYPE precedes the word "command" in the error message. | |
636 | ||
637 | If INGNORE_HELP_CLASSES is nonzero, ignore any command list | |
638 | elements which are actually help classes rather than commands (i.e. | |
639 | the function field of the struct cmd_list_element is 0). */ | |
640 | ||
641 | struct cmd_list_element * | |
642 | lookup_cmd (line, list, cmdtype, allow_unknown, ignore_help_classes) | |
643 | char **line; | |
644 | struct cmd_list_element *list; | |
645 | char *cmdtype; | |
646 | int allow_unknown; | |
647 | int ignore_help_classes; | |
648 | { | |
649 | struct cmd_list_element *last_list = 0; | |
650 | struct cmd_list_element *c = | |
651 | lookup_cmd_1 (line, list, &last_list, ignore_help_classes); | |
652 | char *ptr = (*line) + strlen (*line) - 1; | |
653 | ||
654 | /* Clear off trailing whitespace. */ | |
655 | while (ptr >= *line && (*ptr == ' ' || *ptr == '\t')) | |
656 | ptr--; | |
657 | *(ptr + 1) = '\0'; | |
658 | ||
659 | if (!c) | |
660 | { | |
661 | if (!allow_unknown) | |
662 | { | |
663 | if (!*line) | |
664 | error ("Lack of needed %scommand", cmdtype); | |
665 | else | |
666 | { | |
667 | char *p = *line, *q; | |
668 | ||
669 | while (isalnum(*p) || *p == '-') | |
670 | p++; | |
671 | ||
672 | q = (char *) alloca (p - *line + 1); | |
673 | strncpy (q, *line, p - *line); | |
674 | q[p-*line] = '\0'; | |
81066208 | 675 | undef_cmd_error (cmdtype, q); |
dd3b648e RP |
676 | } |
677 | } | |
678 | else | |
679 | return 0; | |
680 | } | |
681 | else if (c == (struct cmd_list_element *) -1) | |
682 | { | |
683 | /* Ambigous. Local values should be off prefixlist or called | |
684 | values. */ | |
685 | int local_allow_unknown = (last_list ? last_list->allow_unknown : | |
686 | allow_unknown); | |
687 | char *local_cmdtype = last_list ? last_list->prefixname : cmdtype; | |
688 | struct cmd_list_element *local_list = | |
689 | (last_list ? *(last_list->prefixlist) : list); | |
690 | ||
691 | if (local_allow_unknown < 0) | |
692 | { | |
693 | if (last_list) | |
694 | return last_list; /* Found something. */ | |
695 | else | |
696 | return 0; /* Found nothing. */ | |
697 | } | |
698 | else | |
699 | { | |
700 | /* Report as error. */ | |
701 | int amb_len; | |
702 | char ambbuf[100]; | |
703 | ||
704 | for (amb_len = 0; | |
705 | ((*line)[amb_len] && (*line)[amb_len] != ' ' | |
706 | && (*line)[amb_len] != '\t'); | |
707 | amb_len++) | |
708 | ; | |
709 | ||
710 | ambbuf[0] = 0; | |
711 | for (c = local_list; c; c = c->next) | |
712 | if (!strncmp (*line, c->name, amb_len)) | |
713 | { | |
714 | if (strlen (ambbuf) + strlen (c->name) + 6 < (int)sizeof ambbuf) | |
715 | { | |
716 | if (strlen (ambbuf)) | |
717 | strcat (ambbuf, ", "); | |
718 | strcat (ambbuf, c->name); | |
719 | } | |
720 | else | |
721 | { | |
722 | strcat (ambbuf, ".."); | |
723 | break; | |
724 | } | |
725 | } | |
726 | error ("Ambiguous %scommand \"%s\": %s.", local_cmdtype, | |
727 | *line, ambbuf); | |
728 | return 0; /* lint */ | |
729 | } | |
730 | } | |
731 | else | |
732 | { | |
733 | /* We've got something. It may still not be what the caller | |
734 | wants (if this command *needs* a subcommand). */ | |
735 | while (**line == ' ' || **line == '\t') | |
736 | (*line)++; | |
737 | ||
738 | if (c->prefixlist && **line && !c->allow_unknown) | |
81066208 | 739 | undef_cmd_error (c->prefixname, *line); |
dd3b648e RP |
740 | |
741 | /* Seems to be what he wants. Return it. */ | |
742 | return c; | |
743 | } | |
744 | return 0; | |
745 | } | |
746 | ||
747 | #if 0 | |
748 | /* Look up the contents of *LINE as a command in the command list LIST. | |
749 | LIST is a chain of struct cmd_list_element's. | |
750 | If it is found, return the struct cmd_list_element for that command | |
751 | and update *LINE to point after the command name, at the first argument. | |
752 | If not found, call error if ALLOW_UNKNOWN is zero | |
753 | otherwise (or if error returns) return zero. | |
754 | Call error if specified command is ambiguous, | |
755 | unless ALLOW_UNKNOWN is negative. | |
756 | CMDTYPE precedes the word "command" in the error message. */ | |
757 | ||
758 | struct cmd_list_element * | |
759 | lookup_cmd (line, list, cmdtype, allow_unknown) | |
760 | char **line; | |
761 | struct cmd_list_element *list; | |
762 | char *cmdtype; | |
763 | int allow_unknown; | |
764 | { | |
765 | register char *p; | |
766 | register struct cmd_list_element *c, *found; | |
767 | int nfound; | |
768 | char ambbuf[100]; | |
769 | char *processed_cmd; | |
770 | int i, cmd_len; | |
771 | ||
772 | /* Skip leading whitespace. */ | |
773 | ||
774 | while (**line == ' ' || **line == '\t') | |
775 | (*line)++; | |
776 | ||
777 | /* Clear out trailing whitespace. */ | |
778 | ||
779 | p = *line + strlen (*line); | |
780 | while (p != *line && (p[-1] == ' ' || p[-1] == '\t')) | |
781 | p--; | |
782 | *p = 0; | |
783 | ||
784 | /* Find end of command name. */ | |
785 | ||
786 | p = *line; | |
787 | while (*p == '-' | |
788 | || (*p >= 'a' && *p <= 'z') | |
789 | || (*p >= 'A' && *p <= 'Z') | |
790 | || (*p >= '0' && *p <= '9')) | |
791 | p++; | |
792 | ||
793 | /* Look up the command name. | |
794 | If exact match, keep that. | |
795 | Otherwise, take command abbreviated, if unique. Note that (in my | |
796 | opinion) a null string does *not* indicate ambiguity; simply the | |
797 | end of the argument. */ | |
798 | ||
799 | if (p == *line) | |
800 | { | |
801 | if (!allow_unknown) | |
802 | error ("Lack of needed %scommand", cmdtype); | |
803 | return 0; | |
804 | } | |
805 | ||
806 | /* Copy over to a local buffer, converting to lowercase on the way. | |
807 | This is in case the command being parsed is a subcommand which | |
808 | doesn't match anything, and that's ok. We want the original | |
809 | untouched for the routine of the original command. */ | |
810 | ||
811 | processed_cmd = (char *) alloca (p - *line + 1); | |
812 | for (cmd_len = 0; cmd_len < p - *line; cmd_len++) | |
813 | { | |
814 | char x = (*line)[cmd_len]; | |
815 | if (x >= 'A' && x <= 'Z') | |
816 | processed_cmd[cmd_len] = x - 'A' + 'a'; | |
817 | else | |
818 | processed_cmd[cmd_len] = x; | |
819 | } | |
820 | processed_cmd[cmd_len] = '\0'; | |
821 | ||
822 | /* Check all possibilities in the current command list. */ | |
823 | found = 0; | |
824 | nfound = 0; | |
825 | for (c = list; c; c = c->next) | |
826 | { | |
827 | if (!strncmp (processed_cmd, c->name, cmd_len)) | |
828 | { | |
829 | found = c; | |
830 | nfound++; | |
831 | if (c->name[cmd_len] == 0) | |
832 | { | |
833 | nfound = 1; | |
834 | break; | |
835 | } | |
836 | } | |
837 | } | |
838 | ||
839 | /* Report error for undefined command name. */ | |
840 | ||
841 | if (nfound != 1) | |
842 | { | |
843 | if (nfound > 1 && allow_unknown >= 0) | |
844 | { | |
845 | ambbuf[0] = 0; | |
846 | for (c = list; c; c = c->next) | |
847 | if (!strncmp (processed_cmd, c->name, cmd_len)) | |
848 | { | |
849 | if (strlen (ambbuf) + strlen (c->name) + 6 < sizeof ambbuf) | |
850 | { | |
851 | if (strlen (ambbuf)) | |
852 | strcat (ambbuf, ", "); | |
853 | strcat (ambbuf, c->name); | |
854 | } | |
855 | else | |
856 | { | |
857 | strcat (ambbuf, ".."); | |
858 | break; | |
859 | } | |
860 | } | |
861 | error ("Ambiguous %scommand \"%s\": %s.", cmdtype, | |
862 | processed_cmd, ambbuf); | |
863 | } | |
864 | else if (!allow_unknown) | |
865 | error ("Undefined %scommand: \"%s\".", cmdtype, processed_cmd); | |
866 | return 0; | |
867 | } | |
868 | ||
869 | /* Skip whitespace before the argument. */ | |
870 | ||
871 | while (*p == ' ' || *p == '\t') p++; | |
872 | *line = p; | |
873 | ||
874 | if (found->prefixlist && *p) | |
875 | { | |
876 | c = lookup_cmd (line, *found->prefixlist, found->prefixname, | |
877 | found->allow_unknown); | |
878 | if (c) | |
879 | return c; | |
880 | } | |
881 | ||
882 | return found; | |
883 | } | |
884 | #endif | |
885 | ||
886 | /* Helper function for SYMBOL_COMPLETION_FUNCTION. */ | |
887 | ||
888 | /* Return a vector of char pointers which point to the different | |
889 | possible completions in LIST of TEXT. */ | |
890 | ||
891 | char ** | |
892 | complete_on_cmdlist (list, text) | |
893 | struct cmd_list_element *list; | |
894 | char *text; | |
895 | { | |
896 | struct cmd_list_element *ptr; | |
897 | char **matchlist; | |
898 | int sizeof_matchlist; | |
899 | int matches; | |
900 | int textlen = strlen (text); | |
901 | ||
902 | sizeof_matchlist = 10; | |
903 | matchlist = (char **) xmalloc (sizeof_matchlist * sizeof (char *)); | |
904 | matches = 0; | |
905 | ||
906 | for (ptr = list; ptr; ptr = ptr->next) | |
907 | if (!strncmp (ptr->name, text, textlen) | |
908 | && !ptr->abbrev_flag | |
1ab3bf1b | 909 | && (ptr->function.cfunc |
dd3b648e RP |
910 | || ptr->prefixlist)) |
911 | { | |
912 | if (matches == sizeof_matchlist) | |
913 | { | |
914 | sizeof_matchlist *= 2; | |
915 | matchlist = (char **) xrealloc ((char *)matchlist, | |
916 | (sizeof_matchlist | |
917 | * sizeof (char *))); | |
918 | } | |
919 | ||
920 | matchlist[matches] = (char *) | |
921 | xmalloc (strlen (ptr->name) + 1); | |
922 | strcpy (matchlist[matches++], ptr->name); | |
923 | } | |
924 | ||
925 | if (matches == 0) | |
926 | { | |
927 | free (matchlist); | |
928 | matchlist = 0; | |
929 | } | |
930 | else | |
931 | { | |
932 | matchlist = (char **) xrealloc ((char *)matchlist, ((matches + 1) | |
933 | * sizeof (char *))); | |
934 | matchlist[matches] = (char *) 0; | |
935 | } | |
936 | ||
937 | return matchlist; | |
938 | } | |
939 | ||
940 | static int | |
941 | parse_binary_operation (arg) | |
942 | char *arg; | |
943 | { | |
944 | int length; | |
945 | ||
946 | if (!arg || !*arg) | |
947 | return 1; | |
948 | ||
949 | length = strlen (arg); | |
950 | ||
951 | while (arg[length - 1] == ' ' || arg[length - 1] == '\t') | |
952 | length--; | |
953 | ||
954 | if (!strncmp (arg, "on", length) | |
955 | || !strncmp (arg, "1", length) | |
956 | || !strncmp (arg, "yes", length)) | |
957 | return 1; | |
958 | else | |
959 | if (!strncmp (arg, "off", length) | |
960 | || !strncmp (arg, "0", length) | |
961 | || !strncmp (arg, "no", length)) | |
962 | return 0; | |
963 | else | |
964 | { | |
965 | error ("\"on\" or \"off\" expected."); | |
966 | return 0; | |
967 | } | |
968 | } | |
969 | ||
970 | /* Do a "set" or "show" command. ARG is NULL if no argument, or the text | |
971 | of the argument, and FROM_TTY is nonzero if this command is being entered | |
972 | directly by the user (i.e. these are just like any other | |
973 | command). C is the command list element for the command. */ | |
974 | void | |
975 | do_setshow_command (arg, from_tty, c) | |
976 | char *arg; | |
977 | int from_tty; | |
978 | struct cmd_list_element *c; | |
979 | { | |
980 | if (c->type == set_cmd) | |
981 | { | |
982 | switch (c->var_type) | |
983 | { | |
984 | case var_string: | |
985 | { | |
986 | char *new; | |
987 | char *p; | |
988 | char *q; | |
989 | int ch; | |
990 | ||
991 | if (arg == NULL) | |
992 | arg = ""; | |
993 | new = (char *) xmalloc (strlen (arg) + 2); | |
994 | p = arg; q = new; | |
1ab3bf1b | 995 | while ((ch = *p++) != '\000') |
dd3b648e RP |
996 | { |
997 | if (ch == '\\') | |
998 | { | |
999 | /* \ at end of argument is used after spaces | |
1000 | so they won't be lost. */ | |
1001 | if (*p == 0) | |
1002 | break; | |
1003 | ch = parse_escape (&p); | |
1004 | if (ch == 0) | |
1005 | break; /* C loses */ | |
1006 | else if (ch > 0) | |
1007 | *q++ = ch; | |
1008 | } | |
1009 | else | |
1010 | *q++ = ch; | |
1011 | } | |
1012 | if (*(p - 1) != '\\') | |
1013 | *q++ = ' '; | |
1014 | *q++ = '\0'; | |
1015 | new = (char *) xrealloc (new, q - new); | |
1016 | if (*(char **)c->var != NULL) | |
1017 | free (*(char **)c->var); | |
1018 | *(char **) c->var = new; | |
1019 | } | |
1020 | break; | |
1021 | case var_string_noescape: | |
1022 | if (arg == NULL) | |
1023 | arg = ""; | |
1024 | if (*(char **)c->var != NULL) | |
1025 | free (*(char **)c->var); | |
1026 | *(char **) c->var = savestring (arg, strlen (arg)); | |
1027 | break; | |
1028 | case var_filename: | |
1029 | if (arg == NULL) | |
1030 | error_no_arg ("filename to set it to."); | |
1031 | if (*(char **)c->var != NULL) | |
1032 | free (*(char **)c->var); | |
1033 | *(char **)c->var = tilde_expand (arg); | |
1034 | break; | |
1035 | case var_boolean: | |
1036 | *(int *) c->var = parse_binary_operation (arg); | |
1037 | break; | |
1038 | case var_uinteger: | |
1039 | if (arg == NULL) | |
1040 | error_no_arg ("integer to set it to."); | |
1041 | *(int *) c->var = parse_and_eval_address (arg); | |
1042 | if (*(int *) c->var == 0) | |
1043 | *(int *) c->var = UINT_MAX; | |
1044 | break; | |
1045 | case var_zinteger: | |
1046 | if (arg == NULL) | |
1047 | error_no_arg ("integer to set it to."); | |
1048 | *(int *) c->var = parse_and_eval_address (arg); | |
1049 | break; | |
1050 | default: | |
1051 | error ("gdb internal error: bad var_type in do_setshow_command"); | |
1052 | } | |
1053 | } | |
1054 | else if (c->type == show_cmd) | |
1055 | { | |
1056 | /* Print doc minus "show" at start. */ | |
1057 | print_doc_line (stdout, c->doc + 5); | |
1058 | ||
1059 | fputs_filtered (" is ", stdout); | |
1060 | wrap_here (" "); | |
1061 | switch (c->var_type) | |
1062 | { | |
1063 | case var_string: | |
1064 | { | |
1065 | unsigned char *p; | |
1066 | fputs_filtered ("\"", stdout); | |
1067 | for (p = *(unsigned char **) c->var; *p != '\0'; p++) | |
1068 | printchar (*p, stdout, '"'); | |
1069 | fputs_filtered ("\"", stdout); | |
1070 | } | |
1071 | break; | |
1072 | case var_string_noescape: | |
1073 | case var_filename: | |
1074 | fputs_filtered ("\"", stdout); | |
1075 | fputs_filtered (*(char **) c->var, stdout); | |
1076 | fputs_filtered ("\"", stdout); | |
1077 | break; | |
1078 | case var_boolean: | |
1079 | fputs_filtered (*(int *) c->var ? "on" : "off", stdout); | |
1080 | break; | |
1081 | case var_uinteger: | |
1082 | if (*(unsigned int *) c->var == UINT_MAX) { | |
1083 | fputs_filtered ("unlimited", stdout); | |
1084 | break; | |
1085 | } | |
1086 | /* else fall through */ | |
1087 | case var_zinteger: | |
1088 | fprintf_filtered (stdout, "%d", *(unsigned int *) c->var); | |
1089 | break; | |
1090 | default: | |
1091 | error ("gdb internal error: bad var_type in do_setshow_command"); | |
1092 | } | |
1093 | fputs_filtered (".\n", stdout); | |
1094 | } | |
1095 | else | |
1096 | error ("gdb internal error: bad cmd_type in do_setshow_command"); | |
1ab3bf1b | 1097 | (*c->function.sfunc) (NULL, from_tty, c); |
dd3b648e RP |
1098 | } |
1099 | ||
1100 | /* Show all the settings in a list of show commands. */ | |
1101 | ||
1102 | void | |
1103 | cmd_show_list (list, from_tty, prefix) | |
1104 | struct cmd_list_element *list; | |
1105 | int from_tty; | |
1106 | char *prefix; | |
1107 | { | |
1108 | for (; list != NULL; list = list->next) { | |
1109 | /* If we find a prefix, run its list, prefixing our output by its | |
1110 | prefix (with "show " skipped). */ | |
1111 | if (list->prefixlist && !list->abbrev_flag) | |
1112 | cmd_show_list (*list->prefixlist, from_tty, list->prefixname + 5); | |
1113 | if (list->type == show_cmd) | |
1114 | { | |
1115 | fputs_filtered (prefix, stdout); | |
1116 | fputs_filtered (list->name, stdout); | |
1117 | fputs_filtered (": ", stdout); | |
1118 | do_setshow_command ((char *)NULL, from_tty, list); | |
1119 | } | |
1120 | } | |
1121 | } | |
1122 | ||
e1ce8aa5 | 1123 | /* ARGSUSED */ |
dd3b648e RP |
1124 | static void |
1125 | shell_escape (arg, from_tty) | |
1126 | char *arg; | |
1127 | int from_tty; | |
1128 | { | |
1129 | int rc, status, pid; | |
1130 | char *p, *user_shell; | |
dd3b648e RP |
1131 | |
1132 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
1133 | user_shell = "/bin/sh"; | |
1134 | ||
1135 | /* Get the name of the shell for arg0 */ | |
1ab3bf1b | 1136 | if ((p = strrchr (user_shell, '/')) == NULL) |
dd3b648e RP |
1137 | p = user_shell; |
1138 | else | |
1139 | p++; /* Get past '/' */ | |
1140 | ||
1141 | if ((pid = fork()) == 0) | |
1142 | { | |
1143 | if (!arg) | |
1144 | execl (user_shell, p, 0); | |
1145 | else | |
1146 | execl (user_shell, p, "-c", arg, 0); | |
1147 | ||
1148 | fprintf (stderr, "Exec of shell failed\n"); | |
1149 | exit (0); | |
1150 | } | |
1151 | ||
1152 | if (pid != -1) | |
1153 | while ((rc = wait (&status)) != pid && rc != -1) | |
1154 | ; | |
1155 | else | |
1156 | error ("Fork failed"); | |
1157 | } | |
1158 | ||
1159 | static void | |
1160 | make_command (arg, from_tty) | |
1161 | char *arg; | |
1162 | int from_tty; | |
1163 | { | |
1164 | char *p; | |
1165 | ||
1166 | if (arg == 0) | |
1167 | p = "make"; | |
1168 | else | |
1169 | { | |
1170 | p = xmalloc (sizeof("make ") + strlen(arg)); | |
1171 | strcpy (p, "make "); | |
1172 | strcpy (p + sizeof("make ")-1, arg); | |
1173 | } | |
1174 | ||
1175 | shell_escape (p, from_tty); | |
1176 | } | |
1177 | ||
3f2e006b | 1178 | static void |
4369a140 | 1179 | show_user_1 (c, stream) |
3f2e006b JG |
1180 | struct cmd_list_element *c; |
1181 | FILE *stream; | |
1182 | { | |
1183 | register struct command_line *cmdlines; | |
1184 | ||
1185 | cmdlines = c->user_commands; | |
1186 | if (!cmdlines) | |
1187 | return; | |
1188 | fprintf_filtered (stream, "User command %s:\n", c->name); | |
1189 | while (cmdlines) | |
1190 | { | |
1191 | fprintf_filtered (stream, "%s\n", cmdlines->line); | |
1192 | cmdlines = cmdlines->next; | |
1193 | } | |
1194 | fputs_filtered ("\n", stream); | |
1195 | } | |
1196 | ||
1197 | /* ARGSUSED */ | |
1198 | static void | |
4369a140 | 1199 | show_user (args, from_tty) |
3f2e006b JG |
1200 | char *args; |
1201 | int from_tty; | |
1202 | { | |
1203 | struct cmd_list_element *c; | |
1204 | extern struct cmd_list_element *cmdlist; | |
1205 | ||
1206 | if (args) | |
1207 | { | |
1208 | c = lookup_cmd (&args, cmdlist, "", 0, 1); | |
1209 | if (c->class != class_user) | |
1210 | error ("Not a user command."); | |
4369a140 | 1211 | show_user_1 (c, stdout); |
3f2e006b JG |
1212 | } |
1213 | else | |
1214 | { | |
1215 | for (c = cmdlist; c; c = c->next) | |
1216 | { | |
1217 | if (c->class == class_user) | |
4369a140 | 1218 | show_user_1 (c, stdout); |
3f2e006b JG |
1219 | } |
1220 | } | |
1221 | } | |
1222 | ||
dd3b648e RP |
1223 | void |
1224 | _initialize_command () | |
1225 | { | |
1226 | add_com ("shell", class_support, shell_escape, | |
1227 | "Execute the rest of the line as a shell command. \n\ | |
1228 | With no arguments, run an inferior shell."); | |
1229 | ||
1230 | add_com ("make", class_support, make_command, | |
1231 | "Run the ``make'' program using the rest of the line as arguments."); | |
3f2e006b | 1232 | |
4369a140 JG |
1233 | add_cmd ("user", no_class, show_user, |
1234 | "Show definitions of user defined commands.\n\ | |
3f2e006b | 1235 | Argument is the name of the user defined command.\n\ |
4369a140 | 1236 | With no argument, show definitions of all user defined commands.", &showlist); |
dd3b648e | 1237 | } |