/* Header file for GDB command decoding library.
- Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ Copyright (C) 2000-2021 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
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#if !defined (CLI_DECODE_H)
-#define CLI_DECODE_H 1
+#ifndef CLI_CLI_DECODE_H
+#define CLI_CLI_DECODE_H
/* This file defines the private interfaces for any code implementing
command internals. */
/* Include the public interfaces. */
#include "command.h"
#include "gdb_regex.h"
+#include "cli-script.h"
+#include "completer.h"
-#if 0
-/* FIXME: cagney/2002-03-17: Once cmd_type() has been removed, ``enum
- cmd_types'' can be moved from "command.h" to "cli-decode.h". */
/* 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;
-#endif
+enum cmd_types
+{
+ not_set_cmd,
+ set_cmd,
+ show_cmd
+};
/* This structure records one command'd definition. */
struct cmd_list_element
{
+ cmd_list_element (const char *name_, enum command_class theclass_,
+ const char *doc_)
+ : name (name_),
+ theclass (theclass_),
+ cmd_deprecated (0),
+ deprecated_warn_user (0),
+ malloced_replacement (0),
+ doc_allocated (0),
+ name_allocated (0),
+ hook_in (0),
+ allow_unknown (0),
+ abbrev_flag (0),
+ type (not_set_cmd),
+ var_type (var_boolean),
+ doc (doc_)
+ {
+ memset (&function, 0, sizeof (function));
+ }
+
+ ~cmd_list_element ()
+ {
+ if (doc && doc_allocated)
+ xfree ((char *) doc);
+ if (name_allocated)
+ xfree ((char *) name);
+ }
+
+ DISABLE_COPY_AND_ASSIGN (cmd_list_element);
+
+
/* Points to next command in this list. */
- struct cmd_list_element *next;
+ struct cmd_list_element *next = nullptr;
/* Name of this command. */
const char *name;
/* The user needs to be warned that this is a deprecated command.
The user should only be warned the first time a command is
used. */
-
+
unsigned int deprecated_warn_user : 1;
/* When functions are deprecated at compile time (this is the way
unsigned int doc_allocated : 1;
+ /* Set if the name field should be xfree'd. */
+
+ unsigned int name_allocated : 1;
+
/* Flag that specifies if this command is already running its hook. */
/* Prevents the possibility of hook recursion. */
unsigned int hook_in : 1;
cagney/2002-02-02: This function signature is evolving. For
the moment suggest sticking with either set_cmd_cfunc() or
set_cmd_sfunc(). */
- void (*func) (struct cmd_list_element *c, const char *args, int from_tty);
+ void (*func) (struct cmd_list_element *c, const char *args, int from_tty)
+ = nullptr;
/* The command's real callback. At present func() bounces through
to one of the below. */
union
function;
/* Local state (context) for this command. This can be anything. */
- void *context;
+ void *context = nullptr;
/* Documentation of this command (or help topic).
First line is brief documentation; remaining lines form, with it,
/* For set/show commands. A method for printing the output to the
specified stream. */
- show_value_ftype *show_value_func;
+ show_value_ftype *show_value_func = nullptr;
/* If this command is deprecated, this is the replacement name. */
- const char *replacement;
+ const char *replacement = nullptr;
/* If this command represents a show command, then this function
is called before the variable's value is examined. */
- void (*pre_show_hook) (struct cmd_list_element *c);
+ void (*pre_show_hook) (struct cmd_list_element *c) = nullptr;
/* Hook for another command to be executed before this command. */
- struct cmd_list_element *hook_pre;
+ struct cmd_list_element *hook_pre = nullptr;
/* Hook for another command to be executed after this command. */
- struct cmd_list_element *hook_post;
+ struct cmd_list_element *hook_post = nullptr;
+
+ /* Default arguments to automatically prepend to the user
+ provided arguments when running this command or alias. */
+ std::string default_args;
/* Nonzero identifies a prefix command. For them, the address
of the variable containing the list of subcommands. */
- struct cmd_list_element **prefixlist;
+ struct cmd_list_element **prefixlist = nullptr;
/* 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. */
- const char *prefixname;
+ const char *prefixname = nullptr;
/* The prefix command of this command. */
- struct cmd_list_element *prefix;
+ struct cmd_list_element *prefix = nullptr;
/* Completion routine for this command. */
- completer_ftype *completer;
+ completer_ftype *completer = symbol_completer;
/* Handle the word break characters for this completer. Usually
this function need not be defined, but for some types of
a class) the word break chars may need to be redefined
depending on the completer type (e.g., for filename
completers). */
- completer_handle_brkchars_ftype *completer_handle_brkchars;
+ completer_handle_brkchars_ftype *completer_handle_brkchars = nullptr;
/* Destruction routine for this command. If non-NULL, this is
called when this command instance is destroyed. This may be
used to finalize the CONTEXT field, if needed. */
- void (*destroyer) (struct cmd_list_element *self, void *context);
+ void (*destroyer) (struct cmd_list_element *self, void *context) = nullptr;
/* Pointer to variable affected by "set" and "show". Doesn't
matter if type is not_set. */
- void *var;
+ void *var = nullptr;
/* Pointer to NULL terminated list of enumerated values (like
argv). */
- const char *const *enums;
+ const char *const *enums = nullptr;
/* Pointer to command strings of user-defined commands */
- struct command_line *user_commands;
+ counted_command_line user_commands;
/* Pointer to command that is hooked by this one, (by hook_pre)
so the hook can be removed when this one is deleted. */
- struct cmd_list_element *hookee_pre;
+ struct cmd_list_element *hookee_pre = nullptr;
/* Pointer to command that is hooked by this one, (by hook_post)
so the hook can be removed when this one is deleted. */
- struct cmd_list_element *hookee_post;
+ struct cmd_list_element *hookee_post = nullptr;
/* Pointer to command that is aliased by this one, so the
aliased command can be located in case it has been hooked. */
- struct cmd_list_element *cmd_pointer;
+ struct cmd_list_element *cmd_pointer = nullptr;
/* Start of a linked list of all aliases of this command. */
- struct cmd_list_element *aliases;
+ struct cmd_list_element *aliases = nullptr;
/* Link pointer for aliases on an alias list. */
- struct cmd_list_element *alias_chain;
+ struct cmd_list_element *alias_chain = nullptr;
/* If non-null, the pointer to a field in 'struct
cli_suppress_notification', which will be set to true in cmd_func
when this command is being executed. It will be set back to false
when the command has been executed. */
- int *suppress_notification;
+ int *suppress_notification = nullptr;
};
-extern void help_cmd_list (struct cmd_list_element *, enum command_class,
- const char *, int, struct ui_file *);
-
/* Functions that implement commands about CLI commands. */
extern void help_cmd (const char *, struct ui_file *);
extern void apropos_cmd (struct ui_file *, struct cmd_list_element *,
- compiled_regex &, const char *);
+ bool verbose, compiled_regex &, const char *);
/* Used to mark commands that don't do anything. If we just leave the
function field NULL, the command is interpreted as a help topic, or
extern void not_just_help_class_command (const char *arg, int from_tty);
-/* Exported to cli/cli-setshow.c */
+/* Print only the first line of STR on STREAM.
+ FOR_VALUE_PREFIX true indicates that the first line is output
+ to be a prefix to show a value (see deprecated_show_value_hack):
+ the first character is printed in uppercase, and the trailing
+ dot character is not printed. */
+
+extern void print_doc_line (struct ui_file *stream, const char *str,
+ bool for_value_prefix);
-extern void print_doc_line (struct ui_file *, const char *);
+/* The enums of boolean commands. */
+extern const char * const boolean_enums[];
+/* The enums of auto-boolean commands. */
extern const char * const auto_boolean_enums[];
/* Verify whether a given cmd_list_element is a user-defined command.
extern int find_command_name_length (const char *);
-#endif /* !defined (CLI_DECODE_H) */
+#endif /* CLI_CLI_DECODE_H */