static void
print_doc_line PARAMS ((FILE *, char *));
-extern void
-not_just_help_class_command PARAMS ((char *, int));
-
-/* Add element named NAME to command list *LIST.
+/* Add element named NAME.
+ CLASS is the top level category into which commands are broken down
+ for "help" purposes.
FUN should be the function to execute the command;
it will get a character string as argument, with leading
and trailing blanks already eliminated.
DOC is a documentation string for the command.
Its first line should be a complete sentence.
It should start with ? for a command that is an abbreviation
- or with * for a command that most users don't need to know about. */
+ or with * for a command that most users don't need to know about.
+
+ Add this command to command list *LIST. */
struct cmd_list_element *
add_cmd (name, class, fun, doc, list)
c->prefixlist = 0;
c->prefixname = (char *)NULL;
c->allow_unknown = 0;
+ c->hook = 0;
+ c->hookee = 0;
+ c->cmd_pointer = 0;
c->abbrev_flag = 0;
- c->aux = 0;
c->type = not_set_cmd;
c->completer = make_symbol_completion_list;
c->var = 0;
c->prefixname = old->prefixname;
c->allow_unknown = old->allow_unknown;
c->abbrev_flag = abbrev_flag;
- c->aux = old->aux;
+ c->cmd_pointer = old;
return c;
}
struct cmd_list_element *showcmd =
(struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element));
- (void) memcpy (showcmd, setcmd, sizeof (struct cmd_list_element));
+ memcpy (showcmd, setcmd, sizeof (struct cmd_list_element));
delete_cmd (showcmd->name, list);
showcmd->type = show_cmd;
register struct cmd_list_element *c;
struct cmd_list_element *p;
- while (*list && !strcmp ((*list)->name, name))
+ while (*list && STREQ ((*list)->name, name))
{
+ if ((*list)->hookee)
+ (*list)->hookee->hook = 0; /* Hook slips out of its mouth */
p = (*list)->next;
free ((PTR)*list);
*list = p;
if (*list)
for (c = *list; c->next;)
{
- if (!strcmp (c->next->name, name))
+ if (STREQ (c->next->name, name))
{
+ if (c->next->hookee)
+ c->next->hookee->hook = 0; /* hooked cmd gets away. */
p = c->next->next;
free ((PTR)c->next);
c->next = p;
/* If this is a class name, print all of the commands in the class */
if (c->function.cfunc == NULL)
help_list (cmdlist, "", c->class, stream);
+
+ if (c->hook)
+ fprintf_filtered (stream, "\nThis command has a hook defined: %s\n",
+ c->hook->name);
}
/*
}
}
\f
-/* This routine takes a line of TEXT and a CLIST in which to
- start the lookup. When it returns it will have incremented the text
- pointer past the section of text it matched, set *RESULT_LIST to
- the list in which the last word was matched, and will return the
- cmd list element which the text matches. It will return 0 if no
- match at all was possible. It will return -1 if ambigous matches are
- possible; in this case *RESULT_LIST will be set to the list in which
- there are ambiguous choices (and text will be set to the ambiguous
- text string).
+/* This routine takes a line of TEXT and a CLIST in which to start the
+ lookup. When it returns it will have incremented the text pointer past
+ the section of text it matched, set *RESULT_LIST to point to the list in
+ which the last word was matched, and will return a pointer to the cmd
+ list element which the text matches. It will return NULL if no match at
+ all was possible. It will return -1 (cast appropriately, ick) if ambigous
+ matches are possible; in this case *RESULT_LIST will be set to point to
+ the list in which there are ambiguous choices (and *TEXT will be set to
+ the ambiguous text string).
+
+ If the located command was an abbreviation, this routine returns the base
+ command of the abbreviation.
It does no error reporting whatsoever; control will always return
to the superior routine.
- In the case of an ambiguous return (-1), *RESULT_LIST will be set to
- point at the prefix_command (ie. the best match) *or* (special
- case) will be 0 if no prefix command was ever found. For example,
- in the case of "info a", "info" matches without ambiguity, but "a"
- could be "args" or "address", so *RESULT_LIST is set to
- the cmd_list_element for "info". So in this case
- result list should not be interpeted as a pointer to the beginning
- of a list; it simply points to a specific command.
+ In the case of an ambiguous return (-1), *RESULT_LIST will be set to point
+ at the prefix_command (ie. the best match) *or* (special case) will be NULL
+ if no prefix command was ever found. For example, in the case of "info a",
+ "info" matches without ambiguity, but "a" could be "args" or "address", so
+ *RESULT_LIST is set to the cmd_list_element for "info". So in this case
+ RESULT_LIST should not be interpeted as a pointer to the beginning of a
+ list; it simply points to a specific command. In the case of an ambiguous
+ return *TEXT is advanced past the last non-ambiguous prefix (e.g.
+ "info t" can be "info types" or "info target"; upon return *TEXT has been
+ advanced past "info ").
If RESULT_LIST is NULL, don't set *RESULT_LIST (but don't otherwise
affect the operation).
This routine does *not* modify the text pointed to by TEXT.
- If IGNORE_HELP_CLASSES is nonzero, ignore any command list
- elements which are actually help classes rather than commands (i.e.
- the function field of the struct cmd_list_element is 0). */
+ If IGNORE_HELP_CLASSES is nonzero, ignore any command list elements which
+ are actually help classes rather than commands (i.e. the function field of
+ the struct cmd_list_element is NULL). */
struct cmd_list_element *
lookup_cmd_1 (text, clist, result_list, ignore_help_classes)
/* We've matched something on this list. Move text pointer forward. */
*text = p;
+
+ /* If this was an abbreviation, use the base command instead. */
+
+ if (found->cmd_pointer)
+ found = found->cmd_pointer;
+
+ /* If we found a prefix command, keep looking. */
+
if (found->prefixlist)
{
c = lookup_cmd_1 (text, *found->prefixlist, result_list,
/* Helper function for SYMBOL_COMPLETION_FUNCTION. */
/* Return a vector of char pointers which point to the different
- possible completions in LIST of TEXT. */
+ possible completions in LIST of TEXT.
+
+ WORD points in the same buffer as TEXT, and completions should be
+ returned relative to this position. For example, suppose TEXT is "foo"
+ and we want to complete to "foobar". If WORD is "oo", return
+ "oobar"; if WORD is "baz/foo", return "baz/foobar". */
char **
-complete_on_cmdlist (list, text)
+complete_on_cmdlist (list, text, word)
struct cmd_list_element *list;
char *text;
+ char *word;
{
struct cmd_list_element *ptr;
char **matchlist;
}
matchlist[matches] = (char *)
- xmalloc (strlen (ptr->name) + 1);
- strcpy (matchlist[matches++], ptr->name);
+ xmalloc (strlen (word) + strlen (ptr->name) + 1);
+ if (word == text)
+ strcpy (matchlist[matches], ptr->name);
+ else if (word > text)
+ {
+ /* Return some portion of ptr->name. */
+ strcpy (matchlist[matches], ptr->name + (word - text));
+ }
+ else
+ {
+ /* Return some of text plus ptr->name. */
+ strncpy (matchlist[matches], word, text - word);
+ matchlist[matches][text - word] = '\0';
+ strcat (matchlist[matches], ptr->name);
+ }
+ ++matches;
}
if (matches == 0)
case var_uinteger:
if (arg == NULL)
error_no_arg ("integer to set it to.");
- *(int *) c->var = parse_and_eval_address (arg);
- if (*(int *) c->var == 0)
- *(int *) c->var = UINT_MAX;
+ *(unsigned int *) c->var = parse_and_eval_address (arg);
+ if (*(unsigned int *) c->var == 0)
+ *(unsigned int *) c->var = UINT_MAX;
break;
+ case var_integer:
+ {
+ unsigned int val;
+ if (arg == NULL)
+ error_no_arg ("integer to set it to.");
+ val = parse_and_eval_address (arg);
+ if (val == 0)
+ *(int *) c->var = INT_MAX;
+ else if (val >= INT_MAX)
+ error ("integer %u out of range", val);
+ else
+ *(int *) c->var = val;
+ break;
+ }
case var_zinteger:
if (arg == NULL)
error_no_arg ("integer to set it to.");
unsigned char *p;
fputs_filtered ("\"", stdout);
for (p = *(unsigned char **) c->var; *p != '\0'; p++)
- printchar (*p, stdout, '"');
+ gdb_printchar (*p, stdout, '"');
fputs_filtered ("\"", stdout);
}
break;
}
/* else fall through */
case var_zinteger:
- fprintf_filtered (stdout, "%d", *(unsigned int *) c->var);
+ fprintf_filtered (stdout, "%u", *(unsigned int *) c->var);
break;
+ case var_integer:
+ if (*(int *) c->var == INT_MAX)
+ {
+ fputs_filtered ("unlimited", stdout);
+ }
+ else
+ fprintf_filtered (stdout, "%d", *(int *) c->var);
+ break;
+
default:
error ("gdb internal error: bad var_type in do_setshow_command");
}
char *arg;
int from_tty;
{
+#ifdef CANT_FORK
+ /* FIXME: what about errors (I don't know how GO32 system() handles
+ them)? */
+ system (arg);
+#else /* Can fork. */
int rc, status, pid;
char *p, *user_shell;
;
else
error ("Fork failed");
+#endif /* Can fork. */
}
static void
cmdlines = c->user_commands;
if (!cmdlines)
return;
- fprintf_filtered (stream, "User command %s:\n", c->name);
+ fputs_filtered ("User command ", stream);
+ fputs_filtered (c->name, stream);
+ fputs_filtered (":\n", stream);
while (cmdlines)
{
- fprintf_filtered (stream, "%s\n", cmdlines->line);
+ fputs_filtered (cmdlines->line, stream);
+ fputs_filtered ("\n", stream);
cmdlines = cmdlines->next;
}
fputs_filtered ("\n", stream);
add_com ("shell", class_support, shell_escape,
"Execute the rest of the line as a shell command. \n\
With no arguments, run an inferior shell.");
-
add_com ("make", class_support, make_command,
"Run the ``make'' program using the rest of the line as arguments.");
-
add_cmd ("user", no_class, show_user,
"Show definitions of user defined commands.\n\
Argument is the name of the user defined command.\n\
projects / binutils.git / blobdiff