/* Header file for command-reading library command.c.
- Copyright (C) 1986, 1989 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1989, 1990 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+#ifndef _COMMAND_H_INCLUDED
+#define _COMMAND_H_INCLUDED
+
+/* Not a set/show command. Note that some commands which begin with
+ "set" or "show" might be in this category, if their syntax does
+ not fall into one of the following categories. */
+typedef enum cmd_types {
+ not_set_cmd,
+ set_cmd,
+ show_cmd,
+} cmd_types;
+
+/* Types of "set" or "show" command. */
+typedef enum var_types {
+ /* "on" or "off". *VAR is an integer which is nonzero for on,
+ zero for off. */
+ var_boolean,
+ /* Unsigned Integer. *VAR is an unsigned int. The user can type 0
+ to mean "unlimited", which is stored in *VAR as UINT_MAX. */
+ var_uinteger,
+ /* String which the user enters with escapes (e.g. the user types \n and
+ it is a real newline in the stored string).
+ *VAR is a malloc'd string, or NULL if the string is empty. */
+ var_string,
+ /* String which stores what the user types verbatim.
+ *VAR is a malloc'd string, or NULL if the string is empty. */
+ var_string_noescape,
+ /* String which stores a filename.
+ *VAR is a malloc'd string, or NULL if the string is empty. */
+ var_filename,
+ /* ZeroableInteger. *VAR is an int. Like Unsigned Integer except
+ that zero really means zero. */
+ var_zinteger,
+} var_types;
+
/* This structure records one command'd definition. */
struct cmd_list_element
char *name;
/* Command class; class values are chosen by application program. */
- int class;
+ enum command_class class;
/* Function definition of this command.
Zero for command class names and for help topics that
are not really commands. */
void (*function) ();
+# define NO_FUNCTION ((void (*)()) 0 )
/* Documentation of this command (or help topic).
First line is brief documentation; remaining lines form, with it,
This allows "br<tab>" to complete to "break", which it
otherwise wouldn't. */
char abbrev_flag;
+
+ /* Completion routine for this command. */
+ char **(*completer)();
+
+ /* Type of "set" or "show" command (or SET_NOT_SET if not "set"
+ or "show"). */
+ cmd_types type;
+
+ /* Pointer to variable affected by "set" and "show". Doesn't matter
+ if type is not_set. */
+ char *var;
+
+ /* What kind of variable is *VAR? */
+ var_types var_type;
+
+ /* Pointer to command strings of user-defined commands */
+ struct command_line *user_commands;
};
/* Forward-declarations of the entry-points of command.c. */
extern struct cmd_list_element *add_cmd ();
extern struct cmd_list_element *add_alias_cmd ();
extern struct cmd_list_element *add_prefix_cmd ();
+extern struct cmd_list_element *add_abbrev_prefix_cmd ();
extern struct cmd_list_element *lookup_cmd (), *lookup_cmd_1 ();
+extern void add_com ();
+extern void add_com_alias ();
+extern void add_info ();
+extern void add_info_alias ();
extern char **complete_on_cmdlist ();
extern void delete_cmd ();
extern void help_cmd ();
+extern struct cmd_list_element *add_set_cmd ();
+extern struct cmd_list_element *add_show_from_set ();
+
+/* 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. */
+extern void do_setshow_command ();
+
+/* Do a "show" command for each thing on a command list. */
+extern void cmd_show_list ();
+
+extern void error_no_arg (); /* Print error for missing argument */
+extern void dont_repeat (); /* Avoid auto-repeat of command */
+
+#endif /* _COMMAND_H_INCLUDED */