-/* Library for reading command lines and decoding commands.
- Copyright (C) 1986, 1989 Free Software Foundation, Inc.
+/* Handle lists of commands, their decoding and documentation, for GDB.
+ Copyright 1986, 1989, 1990, 1991 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-#include "command.h"
#include "defs.h"
-#include <stdio.h>
+#include "gdbcmd.h"
+#include "symtab.h"
+#include "value.h"
#include <ctype.h>
+#include <string.h>
-extern char *xmalloc ();
+/* Prototypes for local functions */
+
+static void
+undef_cmd_error PARAMS ((char *, char *));
+
+static void
+show_user PARAMS ((char *, int));
+
+static void
+show_user_1 PARAMS ((struct cmd_list_element *, FILE *));
+
+static void
+make_command PARAMS ((char *, int));
+
+static void
+shell_escape PARAMS ((char *, int));
+
+static int
+parse_binary_operation PARAMS ((char *));
+
+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.
FUN should be the function to execute the command;
struct cmd_list_element *
add_cmd (name, class, fun, doc, list)
char *name;
- int class;
- void (*fun) ();
+ enum command_class class;
+ void (*fun) PARAMS ((char *, int));
char *doc;
struct cmd_list_element **list;
{
delete_cmd (name, list);
c->next = *list;
- c->name = savestring (name, strlen (name));
+ c->name = name;
c->class = class;
- c->function = fun;
+ c->function.cfunc = fun;
c->doc = doc;
c->prefixlist = 0;
+ c->prefixname = (char *)NULL;
c->allow_unknown = 0;
c->abbrev_flag = 0;
c->aux = 0;
+ c->type = not_set_cmd;
+ c->completer = make_symbol_completion_list;
+ c->var = 0;
+ c->var_type = var_boolean;
+ c->user_commands = 0;
*list = c;
return c;
}
/* Same as above, except that the abbrev_flag is set. */
+#if 0 /* Currently unused */
+
struct cmd_list_element *
add_abbrev_cmd (name, class, fun, doc, list)
char *name;
- int class;
- void (*fun) ();
+ enum command_class class;
+ void (*fun) PARAMS ((char *, int));
char *doc;
struct cmd_list_element **list;
{
register struct cmd_list_element *c
- = (struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element));
+ = add_cmd (name, class, fun, doc, list);
- delete_cmd (name, list);
- c->next = *list;
- c->name = savestring (name, strlen (name));
- c->class = class;
- c->function = fun;
- c->doc = doc;
- c->prefixlist = 0;
- c->allow_unknown = 0;
c->abbrev_flag = 1;
- c->aux = 0;
- *list = c;
return c;
}
+#endif
+
struct cmd_list_element *
add_alias_cmd (name, oldname, class, abbrev_flag, list)
char *name;
char *oldname;
- int class;
+ enum command_class class;
int abbrev_flag;
struct cmd_list_element **list;
{
register struct cmd_list_element *c;
copied_name = (char *) alloca (strlen (oldname) + 1);
strcpy (copied_name, oldname);
- old = lookup_cmd (&copied_name, *list, 0, 1, 1);
+ old = lookup_cmd (&copied_name, *list, "", 1, 1);
if (old == 0)
{
return 0;
}
- c = add_cmd (name, class, old->function, old->doc, list);
+ c = add_cmd (name, class, old->function.cfunc, old->doc, list);
c->prefixlist = old->prefixlist;
c->prefixname = old->prefixname;
c->allow_unknown = old->allow_unknown;
add_prefix_cmd (name, class, fun, doc, prefixlist, prefixname,
allow_unknown, list)
char *name;
- int class;
- void (*fun) ();
+ enum command_class class;
+ void (*fun) PARAMS ((char *, int));
char *doc;
struct cmd_list_element **prefixlist;
char *prefixname;
return c;
}
-/* Like add_prefix_cmd butsets the abbrev_flag on the new command. */
+/* Like add_prefix_cmd but sets the abbrev_flag on the new command. */
struct cmd_list_element *
add_abbrev_prefix_cmd (name, class, fun, doc, prefixlist, prefixname,
- allow_unknown, list)
+ allow_unknown, list)
char *name;
- int class;
- void (*fun) ();
+ enum command_class class;
+ void (*fun) PARAMS ((char *, int));
char *doc;
struct cmd_list_element **prefixlist;
char *prefixname;
return c;
}
+/* ARGSUSED */
+void
+not_just_help_class_command (args, from_tty)
+ char *args;
+ int from_tty;
+{
+}
+
+/* Add element named NAME to command list LIST (the list for set
+ or some sublist thereof).
+ CLASS is as in add_cmd.
+ VAR_TYPE is the kind of thing we are setting.
+ VAR is address of the variable being controlled by this command.
+ DOC is the documentation string. */
+
+struct cmd_list_element *
+add_set_cmd (name, class, var_type, var, doc, list)
+ char *name;
+ enum command_class class;
+ var_types var_type;
+ char *var;
+ char *doc;
+ struct cmd_list_element **list;
+{
+ /* For set/show, we have to call do_setshow_command
+ differently than an ordinary function (take commandlist as
+ well as arg), so the function field isn't helpful. However,
+ function == NULL means that it's a help class, so set the function
+ to not_just_help_class_command. */
+ struct cmd_list_element *c
+ = add_cmd (name, class, not_just_help_class_command, doc, list);
+
+ c->type = set_cmd;
+ c->var_type = var_type;
+ c->var = var;
+ return c;
+}
+
+/* Where SETCMD has already been added, add the corresponding show
+ command to LIST and return a pointer to it. */
+struct cmd_list_element *
+add_show_from_set (setcmd, list)
+ struct cmd_list_element *setcmd;
+ struct cmd_list_element **list;
+{
+ struct cmd_list_element *showcmd =
+ (struct cmd_list_element *) xmalloc (sizeof (struct cmd_list_element));
+
+ memcpy (showcmd, setcmd, sizeof (struct cmd_list_element));
+ delete_cmd (showcmd->name, list);
+ showcmd->type = show_cmd;
+
+ /* Replace "set " at start of docstring with "show ". */
+ if (setcmd->doc[0] == 'S' && setcmd->doc[1] == 'e'
+ && setcmd->doc[2] == 't' && setcmd->doc[3] == ' ')
+ showcmd->doc = concat ("Show ", setcmd->doc + 4, NULL);
+ else
+ fprintf (stderr, "GDB internal error: Bad docstring for set command\n");
+
+ showcmd->next = *list;
+ *list = showcmd;
+ return showcmd;
+}
+
/* Remove the command named NAME from the command list. */
void
struct cmd_list_element **list;
{
register struct cmd_list_element *c;
+ struct cmd_list_element *p;
while (*list && !strcmp ((*list)->name, name))
{
- *list = (*list)->next;
+ p = (*list)->next;
+ free ((PTR)*list);
+ *list = p;
}
if (*list)
for (c = *list; c->next;)
{
if (!strcmp (c->next->name, name))
- c->next = c->next->next;
+ {
+ p = c->next->next;
+ free ((PTR)c->next);
+ c->next = p;
+ }
else
c = c->next;
}
}
-void help_cmd (), help_list (), help_cmd_list ();
-
/* This command really has to deal with two things:
* 1) I want documentation on *this string* (usually called by
* "help commandname").
if (!command)
{
- help_list (cmdlist, "", -2, stream);
+ help_list (cmdlist, "", all_classes, stream);
return;
}
return;
/* There are three cases here.
- If c->prefixlist is nonzer, we have a prefix command.
+ If c->prefixlist is nonzero, we have a prefix command.
Print its documentation, then list its subcommands.
If c->function is nonzero, we really have a command.
If c->function is zero, we have a class name.
Print its documentation (as if it were a command)
- and then set class to he number of this class
+ and then set class to the number of this class
so that the commands in the class will be listed. */
fputs_filtered (c->doc, stream);
fputs_filtered ("\n", stream);
- if (c->prefixlist == 0 && c->function != 0)
+ if (c->prefixlist == 0 && c->function.cfunc != NULL)
return;
fprintf_filtered (stream, "\n");
/* If this is a prefix command, print it's subcommands */
if (c->prefixlist)
- help_list (*c->prefixlist, c->prefixname, -1, stream);
+ help_list (*c->prefixlist, c->prefixname, all_commands, stream);
/* If this is a class name, print all of the commands in the class */
- if (c->function == 0)
+ if (c->function.cfunc == NULL)
help_list (cmdlist, "", c->class, stream);
}
* LIST is the list.
* CMDTYPE is the prefix to use in the title string.
* CLASS is the class with which to list the nodes of this list (see
- * documentation for help_cmd_list below), As usual, -1 for
- * everything, -2 for just classes, and non-negative for only things
+ * documentation for help_cmd_list below), As usual, ALL_COMMANDS for
+ * everything, ALL_CLASSES for just classes, and non-negative for only things
* in a specific class.
* and STREAM is the output stream on which to print things.
* If you call this routine with a class >= 0, it recurses.
help_list (list, cmdtype, class, stream)
struct cmd_list_element *list;
char *cmdtype;
- int class;
+ enum command_class class;
FILE *stream;
{
int len;
strcpy (cmdtype2 + len - 1, " sub");
}
- if (class == -2)
+ if (class == all_classes)
fprintf_filtered (stream, "List of classes of %scommands:\n\n", cmdtype2);
else
fprintf_filtered (stream, "List of %scommands:\n\n", cmdtype2);
- help_cmd_list (list, class, cmdtype, (class >= 0), stream);
+ help_cmd_list (list, class, cmdtype, (int)class >= 0, stream);
- if (class == -2)
+ if (class == all_classes)
fprintf_filtered (stream, "\n\
Type \"help%s\" followed by a class name for a list of commands in that class.",
cmdtype1);
cmdtype1, cmdtype2);
}
+/* Print only the first line of STR on STREAM. */
+static void
+print_doc_line (stream, str)
+ FILE *stream;
+ char *str;
+{
+ static char *line_buffer = 0;
+ static int line_size;
+ register char *p;
+
+ if (!line_buffer)
+ {
+ line_size = 80;
+ line_buffer = (char *) xmalloc (line_size);
+ }
+
+ p = str;
+ while (*p && *p != '\n' && *p != '.' && *p != ',')
+ p++;
+ if (p - str > line_size - 1)
+ {
+ line_size = p - str + 1;
+ free ((PTR)line_buffer);
+ line_buffer = (char *) xmalloc (line_size);
+ }
+ strncpy (line_buffer, str, p - str);
+ line_buffer[p - str] = '\0';
+ if (islower (line_buffer[0]))
+ line_buffer[0] = toupper (line_buffer[0]);
+ fputs_filtered (line_buffer, stream);
+}
/*
* Implement a help command on command list LIST.
* CLASS should be:
* A non-negative class number to list only commands in that
* class.
- * -1 to list all commands in list.
- * -2 to list all classes in list.
+ * ALL_COMMANDS to list all commands in list.
+ * ALL_CLASSES to list all classes in list.
*
* Note that RECURSE will be active on *all* sublists, not just the
- * ones seclected by the criteria above (ie. the selection mechanism
+ * ones selected by the criteria above (ie. the selection mechanism
* is at the low level, not the high-level).
*/
void
help_cmd_list (list, class, prefix, recurse, stream)
struct cmd_list_element *list;
- int class;
+ enum command_class class;
char *prefix;
int recurse;
FILE *stream;
{
register struct cmd_list_element *c;
- register char *p;
- static char *line_buffer = 0;
- static int line_size;
-
- if (!line_buffer)
- {
- line_size = 80;
- line_buffer = (char *) xmalloc (line_size);
- }
for (c = list; c; c = c->next)
{
if (c->abbrev_flag == 0 &&
- (class == -1
- || (class == -2 && c->function == 0)
- || (class == c->class && c->function != 0)))
+ (class == all_commands
+ || (class == all_classes && c->function.cfunc == NULL)
+ || (class == c->class && c->function.cfunc != NULL)))
{
fprintf_filtered (stream, "%s%s -- ", prefix, c->name);
- /* Print just the first line */
- p = c->doc;
- while (*p && *p != '\n') p++;
- if (p - c->doc > line_size - 1)
- {
- line_size = p - c->doc + 1;
- free (line_buffer);
- line_buffer = (char *) xmalloc (line_size);
- }
- strncpy (line_buffer, c->doc, p - c->doc);
- line_buffer[p - c->doc] = '\0';
- fputs_filtered (line_buffer, stream);
+ print_doc_line (stream, c->doc);
fputs_filtered ("\n", stream);
}
if (recurse
}
}
\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).
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.
+
+ 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 INGNORE_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)
for (tmp = 0; tmp < len; tmp++)
{
char x = (*text)[tmp];
- command[tmp] = (x >= 'A' && x <= 'Z') ? x - 'A' + 'a' : x;
+ command[tmp] = isupper(x) ? tolower(x) : x;
}
command[len] = '\0';
nfound = 0;
for (c = clist; c; c = c->next)
if (!strncmp (command, c->name, len)
- && (!ignore_help_classes || c->function))
+ && (!ignore_help_classes || c->function.cfunc))
{
found = c;
nfound++;
if (nfound > 1)
{
- *result_list = 0; /* Will be modified in calling routine
- if we know what the prefix command is.
- */
+ if (result_list != NULL)
+ /* Will be modified in calling routine
+ if we know what the prefix command is. */
+ *result_list = 0;
return (struct cmd_list_element *) -1; /* Ambiguous. */
}
if (!c)
{
/* Didn't find anything; this is as far as we got. */
- *result_list = clist;
+ if (result_list != NULL)
+ *result_list = clist;
return found;
}
else if (c == (struct cmd_list_element *) -1)
/* We've gotten this far properley, but the next step
is ambiguous. We need to set the result list to the best
we've found (if an inferior hasn't already set it). */
- if (!*result_list)
- /* This used to say *result_list = *found->prefixlist
- If that was correct, need to modify the documentation
- at the top of this function to clarify what is supposed
- to be going on. */
- *result_list = found;
+ if (result_list != NULL)
+ if (!*result_list)
+ /* This used to say *result_list = *found->prefixlist
+ If that was correct, need to modify the documentation
+ at the top of this function to clarify what is supposed
+ to be going on. */
+ *result_list = found;
return c;
}
else
}
else
{
- *result_list = clist;
+ if (result_list != NULL)
+ *result_list = clist;
return found;
}
}
+/* All this hair to move the space to the front of cmdtype */
+
+static void
+undef_cmd_error (cmdtype, q)
+ char *cmdtype, *q;
+{
+ error ("Undefined %scommand: \"%s\". Try \"help%s%.*s\".",
+ cmdtype,
+ q,
+ *cmdtype? " ": "",
+ strlen(cmdtype)-1,
+ cmdtype);
+}
+
/* Look up the contents of *LINE as a command in the command list LIST.
LIST is a chain of struct cmd_list_element's.
If it is found, return the struct cmd_list_element for that command
q = (char *) alloca (p - *line + 1);
strncpy (q, *line, p - *line);
q[p-*line] = '\0';
-
- error ("Undefined %scommand: \"%s\".", cmdtype, q);
+ undef_cmd_error (cmdtype, q);
}
}
else
for (c = local_list; c; c = c->next)
if (!strncmp (*line, c->name, amb_len))
{
- if (strlen (ambbuf) + strlen (c->name) + 6 < sizeof ambbuf)
+ if (strlen (ambbuf) + strlen (c->name) + 6 < (int)sizeof ambbuf)
{
if (strlen (ambbuf))
strcat (ambbuf, ", ");
}
error ("Ambiguous %scommand \"%s\": %s.", local_cmdtype,
*line, ambbuf);
+ return 0; /* lint */
}
}
else
(*line)++;
if (c->prefixlist && **line && !c->allow_unknown)
- error ("Undefined %scommand: \"%s\".", c->prefixname, *line);
+ undef_cmd_error (c->prefixname, *line);
/* Seems to be what he wants. Return it. */
return c;
}
+ return 0;
}
#if 0
/* Find end of command name. */
p = *line;
- while (*p == '-'
- || (*p >= 'a' && *p <= 'z')
- || (*p >= 'A' && *p <= 'Z')
- || (*p >= '0' && *p <= '9'))
+ while (*p == '-' || isalnum(*p))
p++;
/* Look up the command name.
for (cmd_len = 0; cmd_len < p - *line; cmd_len++)
{
char x = (*line)[cmd_len];
- if (x >= 'A' && x <= 'Z')
- processed_cmd[cmd_len] = x - 'A' + 'a';
+ if (isupper(x))
+ processed_cmd[cmd_len] = tolower(x);
else
processed_cmd[cmd_len] = x;
}
for (ptr = list; ptr; ptr = ptr->next)
if (!strncmp (ptr->name, text, textlen)
&& !ptr->abbrev_flag
- && (ptr->function
+ && (ptr->function.cfunc
|| ptr->prefixlist))
{
if (matches == sizeof_matchlist)
{
sizeof_matchlist *= 2;
- matchlist = (char **) xrealloc (matchlist,
+ matchlist = (char **) xrealloc ((char *)matchlist,
(sizeof_matchlist
* sizeof (char *)));
}
if (matches == 0)
{
- free (matchlist);
+ free ((PTR)matchlist);
matchlist = 0;
}
else
{
- matchlist = (char **) xrealloc (matchlist, ((matches + 1)
+ matchlist = (char **) xrealloc ((char *)matchlist, ((matches + 1)
* sizeof (char *)));
matchlist[matches] = (char *) 0;
}
return matchlist;
}
+static int
+parse_binary_operation (arg)
+ char *arg;
+{
+ int length;
+
+ if (!arg || !*arg)
+ return 1;
+
+ length = strlen (arg);
+
+ while (arg[length - 1] == ' ' || arg[length - 1] == '\t')
+ length--;
+
+ if (!strncmp (arg, "on", length)
+ || !strncmp (arg, "1", length)
+ || !strncmp (arg, "yes", length))
+ return 1;
+ else
+ if (!strncmp (arg, "off", length)
+ || !strncmp (arg, "0", length)
+ || !strncmp (arg, "no", length))
+ return 0;
+ else
+ {
+ error ("\"on\" or \"off\" expected.");
+ return 0;
+ }
+}
+
+/* Do a "set" or "show" command. ARG is NULL if no argument, or the text
+ of the argument, and FROM_TTY is nonzero if this command is being entered
+ directly by the user (i.e. these are just like any other
+ command). C is the command list element for the command. */
+void
+do_setshow_command (arg, from_tty, c)
+ char *arg;
+ int from_tty;
+ struct cmd_list_element *c;
+{
+ if (c->type == set_cmd)
+ {
+ switch (c->var_type)
+ {
+ case var_string:
+ {
+ char *new;
+ char *p;
+ char *q;
+ int ch;
+
+ if (arg == NULL)
+ arg = "";
+ new = (char *) xmalloc (strlen (arg) + 2);
+ p = arg; q = new;
+ while ((ch = *p++) != '\000')
+ {
+ if (ch == '\\')
+ {
+ /* \ at end of argument is used after spaces
+ so they won't be lost. */
+ if (*p == 0)
+ break;
+ ch = parse_escape (&p);
+ if (ch == 0)
+ break; /* C loses */
+ else if (ch > 0)
+ *q++ = ch;
+ }
+ else
+ *q++ = ch;
+ }
+ if (*(p - 1) != '\\')
+ *q++ = ' ';
+ *q++ = '\0';
+ new = (char *) xrealloc (new, q - new);
+ if (*(char **)c->var != NULL)
+ free (*(char **)c->var);
+ *(char **) c->var = new;
+ }
+ break;
+ case var_string_noescape:
+ if (arg == NULL)
+ arg = "";
+ if (*(char **)c->var != NULL)
+ free (*(char **)c->var);
+ *(char **) c->var = savestring (arg, strlen (arg));
+ break;
+ case var_filename:
+ if (arg == NULL)
+ error_no_arg ("filename to set it to.");
+ if (*(char **)c->var != NULL)
+ free (*(char **)c->var);
+ *(char **)c->var = tilde_expand (arg);
+ break;
+ case var_boolean:
+ *(int *) c->var = parse_binary_operation (arg);
+ break;
+ 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;
+ break;
+ case var_zinteger:
+ if (arg == NULL)
+ error_no_arg ("integer to set it to.");
+ *(int *) c->var = parse_and_eval_address (arg);
+ break;
+ default:
+ error ("gdb internal error: bad var_type in do_setshow_command");
+ }
+ }
+ else if (c->type == show_cmd)
+ {
+ /* Print doc minus "show" at start. */
+ print_doc_line (stdout, c->doc + 5);
+
+ fputs_filtered (" is ", stdout);
+ wrap_here (" ");
+ switch (c->var_type)
+ {
+ case var_string:
+ {
+ unsigned char *p;
+ fputs_filtered ("\"", stdout);
+ for (p = *(unsigned char **) c->var; *p != '\0'; p++)
+ printchar (*p, stdout, '"');
+ fputs_filtered ("\"", stdout);
+ }
+ break;
+ case var_string_noescape:
+ case var_filename:
+ fputs_filtered ("\"", stdout);
+ fputs_filtered (*(char **) c->var, stdout);
+ fputs_filtered ("\"", stdout);
+ break;
+ case var_boolean:
+ fputs_filtered (*(int *) c->var ? "on" : "off", stdout);
+ break;
+ case var_uinteger:
+ if (*(unsigned int *) c->var == UINT_MAX) {
+ fputs_filtered ("unlimited", stdout);
+ break;
+ }
+ /* else fall through */
+ case var_zinteger:
+ fprintf_filtered (stdout, "%d", *(unsigned int *) c->var);
+ break;
+ default:
+ error ("gdb internal error: bad var_type in do_setshow_command");
+ }
+ fputs_filtered (".\n", stdout);
+ }
+ else
+ error ("gdb internal error: bad cmd_type in do_setshow_command");
+ (*c->function.sfunc) (NULL, from_tty, c);
+}
+
+/* Show all the settings in a list of show commands. */
+
+void
+cmd_show_list (list, from_tty, prefix)
+ struct cmd_list_element *list;
+ int from_tty;
+ char *prefix;
+{
+ for (; list != NULL; list = list->next) {
+ /* If we find a prefix, run its list, prefixing our output by its
+ prefix (with "show " skipped). */
+ if (list->prefixlist && !list->abbrev_flag)
+ cmd_show_list (*list->prefixlist, from_tty, list->prefixname + 5);
+ if (list->type == show_cmd)
+ {
+ fputs_filtered (prefix, stdout);
+ fputs_filtered (list->name, stdout);
+ fputs_filtered (": ", stdout);
+ do_setshow_command ((char *)NULL, from_tty, list);
+ }
+ }
+}
+
+/* ARGSUSED */
static void
shell_escape (arg, from_tty)
char *arg;
{
int rc, status, pid;
char *p, *user_shell;
- extern char *rindex ();
if ((user_shell = (char *) getenv ("SHELL")) == NULL)
user_shell = "/bin/sh";
/* Get the name of the shell for arg0 */
- if ((p = rindex (user_shell, '/')) == NULL)
+ if ((p = strrchr (user_shell, '/')) == NULL)
p = user_shell;
else
p++; /* Get past '/' */
error ("Fork failed");
}
+static void
+make_command (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ char *p;
+
+ if (arg == 0)
+ p = "make";
+ else
+ {
+ p = xmalloc (sizeof("make ") + strlen(arg));
+ strcpy (p, "make ");
+ strcpy (p + sizeof("make ")-1, arg);
+ }
+
+ shell_escape (p, from_tty);
+}
+
+static void
+show_user_1 (c, stream)
+ struct cmd_list_element *c;
+ FILE *stream;
+{
+ register struct command_line *cmdlines;
+
+ cmdlines = c->user_commands;
+ if (!cmdlines)
+ return;
+ fprintf_filtered (stream, "User command %s:\n", c->name);
+ while (cmdlines)
+ {
+ fprintf_filtered (stream, "%s\n", cmdlines->line);
+ cmdlines = cmdlines->next;
+ }
+ fputs_filtered ("\n", stream);
+}
+
+/* ARGSUSED */
+static void
+show_user (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ struct cmd_list_element *c;
+ extern struct cmd_list_element *cmdlist;
+
+ if (args)
+ {
+ c = lookup_cmd (&args, cmdlist, "", 0, 1);
+ if (c->class != class_user)
+ error ("Not a user command.");
+ show_user_1 (c, stdout);
+ }
+ else
+ {
+ for (c = cmdlist; c; c = c->next)
+ {
+ if (c->class == class_user)
+ show_user_1 (c, stdout);
+ }
+ }
+}
+
void
_initialize_command ()
{
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\
+With no argument, show definitions of all user defined commands.", &showlist);
}
projects / deliverable / binutils-gdb.git / blobdiff