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/* Header file for GDB CLI command implementation library.
Copyright (C) 2000-2018 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 3 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.
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_SCRIPT_H)
#define CLI_SCRIPT_H 1
struct ui_file;
struct cmd_list_element;
/* * Control types for commands. */
enum misc_command_type
{
ok_command,
end_command,
else_command,
nop_command
};
enum command_control_type
{
simple_control,
break_control,
continue_control,
while_control,
if_control,
commands_control,
python_control,
compile_control,
guile_control,
while_stepping_control,
define_control,
invalid_control
};
struct command_line;
extern void free_command_lines (struct command_line **);
/* A deleter for command_line that calls free_command_lines. */
struct command_lines_deleter
{
void operator() (command_line *cmd_lines) const
{
free_command_lines (&cmd_lines);
}
};
/* A reference-counted struct command_line. */
typedef std::shared_ptr<command_line> counted_command_line;
/* * Structure for saved commands lines (for breakpoints, defined
commands, etc). */
struct command_line
{
explicit command_line (command_control_type type_, char *line_ = nullptr)
: line (line_),
control_type (type_)
{
memset (&control_u, 0, sizeof (control_u));
}
DISABLE_COPY_AND_ASSIGN (command_line);
struct command_line *next = nullptr;
char *line;
enum command_control_type control_type;
union
{
struct
{
enum compile_i_scope_types scope;
void *scope_data;
}
compile;
}
control_u;
/* * For composite commands, the nested lists of commands. For
example, for "if" command this will contain the then branch and
the else branch, if that is available. */
counted_command_line body_list_0;
counted_command_line body_list_1;
private:
friend void free_command_lines (struct command_line **);
~command_line ()
{
xfree (line);
}
};
extern counted_command_line read_command_lines
(const char *, int, int, gdb::function_view<void (const char *)>);
extern counted_command_line read_command_lines_1
(gdb::function_view<const char * ()>, int,
gdb::function_view<void (const char *)>);
/* Exported to cli/cli-cmds.c */
extern void script_from_file (FILE *stream, const char *file);
extern void show_user_1 (struct cmd_list_element *c,
const char *prefix,
const char *name,
struct ui_file *stream);
/* Execute the commands in CMDLINES. */
extern void execute_control_commands (struct command_line *cmdlines,
int from_tty);
/* Run execute_control_commands for COMMANDS. Capture its output into
the returned string, do not display it to the screen. BATCH_FLAG
will be temporarily set to true. */
extern std::string execute_control_commands_to_string
(struct command_line *commands, int from_tty);
/* Exported to gdb/breakpoint.c */
extern enum command_control_type
execute_control_command (struct command_line *cmd,
int from_tty = 0);
extern enum command_control_type
execute_control_command_untraced (struct command_line *cmd);
extern counted_command_line get_command_line (enum command_control_type,
const char *);
extern void print_command_lines (struct ui_out *,
struct command_line *, unsigned int);
/* Exported to gdb/infrun.c */
extern void execute_user_command (struct cmd_list_element *c, const char *args);
/* If we're in a user-defined command, replace any $argc/$argN
reference found in LINE with the arguments that were passed to the
command. Otherwise, treat $argc/$argN as normal convenience
variables. */
extern std::string insert_user_defined_cmd_args (const char *line);
/* Exported to top.c */
extern void print_command_trace (const char *cmd, ...)
ATTRIBUTE_PRINTF (1, 2);
/* Exported to event-top.c */
extern void reset_command_nest_depth (void);
#endif /* !defined (CLI_SCRIPT_H) */
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