Initial revision

1 files changed, 151 insertions, 0 deletions

diff --git a/gdb/command.h b/gdb/command.h
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+++ b/gdb/command.h
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+/* Header file for command-reading library command.c.
+   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
+   the Free Software Foundation; either version 1, 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.
+
+   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.  */
+
+#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
+  {
+    /* Points to next command in this list.  */
+    struct cmd_list_element *next;
+
+    /* Name of this command.  */
+    char *name;
+
+    /* Command class; class values are chosen by application program.  */
+    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,
+       the full documentation.  First line should end with a period.
+       Entire string should also end with a period, not a newline.  */
+    char *doc;
+
+    /* Auxiliary information.
+       It is up to the calling program to decide what this means.  */
+    char *aux;
+
+    /* Nonzero identifies a prefix command.  For them, the address
+       of the variable containing the list of subcommands.  */
+    struct cmd_list_element **prefixlist;
+
+    /* For prefix commands only:
+       String containing prefix commands to get here: this one
+       plus any others needed to get to it.  Should end in a space.
+       It is used before the word "command" in describing the
+       commands reached through this prefix.  */
+    char *prefixname;
+
+    /* For prefix commands only:
+       nonzero means do not get an error if subcommand is not
+       recognized; call the prefix's own function in that case.  */
+    char allow_unknown;
+
+    /* Nonzero says this is an abbreviation, and should not
+       be mentioned in lists of commands.
+       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 */