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/* MI Command Set for GDB, the GNU debugger.
Copyright (C) 2000-2023 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
This file is part of GDB.
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/>. */
#ifndef MI_MI_CMDS_H
#define MI_MI_CMDS_H
#include "gdbsupport/function-view.h"
#include <optional>
#include "mi/mi-main.h"
enum print_values {
PRINT_NO_VALUES,
PRINT_ALL_VALUES,
PRINT_SIMPLE_VALUES
};
typedef void (mi_cmd_argv_ftype) (const char *command, const char *const *argv,
int argc);
/* Declarations of the functions implementing each command. */
extern mi_cmd_argv_ftype mi_cmd_ada_task_info;
extern mi_cmd_argv_ftype mi_cmd_add_inferior;
extern mi_cmd_argv_ftype mi_cmd_break_insert;
extern mi_cmd_argv_ftype mi_cmd_dprintf_insert;
extern mi_cmd_argv_ftype mi_cmd_break_condition;
extern mi_cmd_argv_ftype mi_cmd_break_commands;
extern mi_cmd_argv_ftype mi_cmd_break_passcount;
extern mi_cmd_argv_ftype mi_cmd_break_watch;
extern mi_cmd_argv_ftype mi_cmd_catch_assert;
extern mi_cmd_argv_ftype mi_cmd_catch_exception;
extern mi_cmd_argv_ftype mi_cmd_catch_handlers;
extern mi_cmd_argv_ftype mi_cmd_catch_load;
extern mi_cmd_argv_ftype mi_cmd_catch_unload;
extern mi_cmd_argv_ftype mi_cmd_catch_throw;
extern mi_cmd_argv_ftype mi_cmd_catch_rethrow;
extern mi_cmd_argv_ftype mi_cmd_catch_catch;
extern mi_cmd_argv_ftype mi_cmd_disassemble;
extern mi_cmd_argv_ftype mi_cmd_data_evaluate_expression;
extern mi_cmd_argv_ftype mi_cmd_data_list_register_names;
extern mi_cmd_argv_ftype mi_cmd_data_list_register_values;
extern mi_cmd_argv_ftype mi_cmd_data_list_changed_registers;
extern mi_cmd_argv_ftype mi_cmd_data_read_memory;
extern mi_cmd_argv_ftype mi_cmd_data_read_memory_bytes;
extern mi_cmd_argv_ftype mi_cmd_data_write_memory;
extern mi_cmd_argv_ftype mi_cmd_data_write_memory_bytes;
extern mi_cmd_argv_ftype mi_cmd_data_write_register_values;
extern mi_cmd_argv_ftype mi_cmd_enable_timings;
extern mi_cmd_argv_ftype mi_cmd_env_cd;
extern mi_cmd_argv_ftype mi_cmd_env_dir;
extern mi_cmd_argv_ftype mi_cmd_env_path;
extern mi_cmd_argv_ftype mi_cmd_env_pwd;
extern mi_cmd_argv_ftype mi_cmd_exec_continue;
extern mi_cmd_argv_ftype mi_cmd_exec_finish;
extern mi_cmd_argv_ftype mi_cmd_exec_interrupt;
extern mi_cmd_argv_ftype mi_cmd_exec_jump;
extern mi_cmd_argv_ftype mi_cmd_exec_next;
extern mi_cmd_argv_ftype mi_cmd_exec_next_instruction;
extern mi_cmd_argv_ftype mi_cmd_exec_return;
extern mi_cmd_argv_ftype mi_cmd_exec_run;
extern mi_cmd_argv_ftype mi_cmd_exec_step;
extern mi_cmd_argv_ftype mi_cmd_exec_step_instruction;
extern mi_cmd_argv_ftype mi_cmd_file_list_exec_source_file;
extern mi_cmd_argv_ftype mi_cmd_file_list_exec_source_files;
extern mi_cmd_argv_ftype mi_cmd_file_list_shared_libraries;
extern mi_cmd_argv_ftype mi_cmd_gdb_exit;
extern mi_cmd_argv_ftype mi_cmd_inferior_tty_set;
extern mi_cmd_argv_ftype mi_cmd_inferior_tty_show;
extern mi_cmd_argv_ftype mi_cmd_info_ada_exceptions;
extern mi_cmd_argv_ftype mi_cmd_info_gdb_mi_command;
extern mi_cmd_argv_ftype mi_cmd_info_os;
extern mi_cmd_argv_ftype mi_cmd_interpreter_exec;
extern mi_cmd_argv_ftype mi_cmd_list_features;
extern mi_cmd_argv_ftype mi_cmd_list_target_features;
extern mi_cmd_argv_ftype mi_cmd_list_thread_groups;
extern mi_cmd_argv_ftype mi_cmd_remove_inferior;
extern mi_cmd_argv_ftype mi_cmd_stack_info_depth;
extern mi_cmd_argv_ftype mi_cmd_stack_info_frame;
extern mi_cmd_argv_ftype mi_cmd_stack_list_args;
extern mi_cmd_argv_ftype mi_cmd_stack_list_frames;
extern mi_cmd_argv_ftype mi_cmd_stack_list_locals;
extern mi_cmd_argv_ftype mi_cmd_stack_list_variables;
extern mi_cmd_argv_ftype mi_cmd_stack_select_frame;
extern mi_cmd_argv_ftype mi_cmd_symbol_list_lines;
extern mi_cmd_argv_ftype mi_cmd_symbol_info_functions;
extern mi_cmd_argv_ftype mi_cmd_symbol_info_module_functions;
extern mi_cmd_argv_ftype mi_cmd_symbol_info_module_variables;
extern mi_cmd_argv_ftype mi_cmd_symbol_info_modules;
extern mi_cmd_argv_ftype mi_cmd_symbol_info_types;
extern mi_cmd_argv_ftype mi_cmd_symbol_info_variables;
extern mi_cmd_argv_ftype mi_cmd_target_detach;
extern mi_cmd_argv_ftype mi_cmd_target_file_get;
extern mi_cmd_argv_ftype mi_cmd_target_file_put;
extern mi_cmd_argv_ftype mi_cmd_target_file_delete;
extern mi_cmd_argv_ftype mi_cmd_target_flash_erase;
extern mi_cmd_argv_ftype mi_cmd_thread_info;
extern mi_cmd_argv_ftype mi_cmd_thread_list_ids;
extern mi_cmd_argv_ftype mi_cmd_thread_select;
extern mi_cmd_argv_ftype mi_cmd_trace_define_variable;
extern mi_cmd_argv_ftype mi_cmd_trace_find;
extern mi_cmd_argv_ftype mi_cmd_trace_frame_collected;
extern mi_cmd_argv_ftype mi_cmd_trace_list_variables;
extern mi_cmd_argv_ftype mi_cmd_trace_save;
extern mi_cmd_argv_ftype mi_cmd_trace_start;
extern mi_cmd_argv_ftype mi_cmd_trace_status;
extern mi_cmd_argv_ftype mi_cmd_trace_stop;
extern mi_cmd_argv_ftype mi_cmd_var_assign;
extern mi_cmd_argv_ftype mi_cmd_var_create;
extern mi_cmd_argv_ftype mi_cmd_var_delete;
extern mi_cmd_argv_ftype mi_cmd_var_evaluate_expression;
extern mi_cmd_argv_ftype mi_cmd_var_info_expression;
extern mi_cmd_argv_ftype mi_cmd_var_info_path_expression;
extern mi_cmd_argv_ftype mi_cmd_var_info_num_children;
extern mi_cmd_argv_ftype mi_cmd_var_info_type;
extern mi_cmd_argv_ftype mi_cmd_var_list_children;
extern mi_cmd_argv_ftype mi_cmd_var_set_format;
extern mi_cmd_argv_ftype mi_cmd_var_set_frozen;
extern mi_cmd_argv_ftype mi_cmd_var_set_visualizer;
extern mi_cmd_argv_ftype mi_cmd_var_show_attributes;
extern mi_cmd_argv_ftype mi_cmd_var_show_format;
extern mi_cmd_argv_ftype mi_cmd_var_update;
extern mi_cmd_argv_ftype mi_cmd_enable_pretty_printing;
extern mi_cmd_argv_ftype mi_cmd_enable_frame_filters;
extern mi_cmd_argv_ftype mi_cmd_var_set_update_range;
extern mi_cmd_argv_ftype mi_cmd_complete;
/* The abstract base class for all MI command types. */
struct mi_command
{
/* Constructor. NAME is the name of this MI command, excluding any
leading dash, that is the initial string the user will enter to run
this command. The SUPPRESS_NOTIFICATION pointer is a flag which will
be set to 1 when this command is invoked, and reset to its previous
value once the command invocation has completed. */
mi_command (const char *name, int *suppress_notification);
/* Destructor. */
virtual ~mi_command () = default;
/* Return the name of this command. This is the command that the user
will actually type in, without any arguments, and without the leading
dash. */
const char *name () const
{ return m_name; }
/* Execute the MI command. this needs to be overridden in each
base class. PARSE is the parsed command line from the user.
Can throw an exception if something goes wrong. */
virtual void invoke (struct mi_parse *parse) const = 0;
/* Return whether this command preserves user selected context (thread
and frame). */
bool preserve_user_selected_context () const
{
/* Here we exploit the fact that if MI command is supposed to change
user context, then it should not emit change notifications. Therefore if
command does not suppress user context change notifications, then it should
preserve the context. */
return m_suppress_notification != &mi_suppress_notification.user_selected_context;
}
/* If this command was created with a suppress notifications pointer,
then this function will set the suppress flag and return a
std::optional with its value set to an object that will restore the
previous value of the suppress notifications flag.
If this command was created without a suppress notifications points,
then this function returns an empty std::optional. */
std::optional<scoped_restore_tmpl<int>> do_suppress_notification () const;
private:
/* The name of the command. */
const char *m_name;
/* Pointer to integer to set during command's invocation. */
int *m_suppress_notification;
};
/* A command held in the global mi_cmd_table. */
using mi_command_up = std::unique_ptr<struct mi_command>;
/* Lookup a command in the MI command table, returns nullptr if COMMAND is
not found. */
extern mi_command *mi_cmd_lookup (const char *command);
extern void mi_execute_command (const char *cmd, int from_tty);
/* Execute an MI command given an already-constructed parse
object. */
extern void mi_execute_command (mi_parse *context);
/* Insert COMMAND into the global mi_cmd_table. Return false if
COMMAND->name already exists in mi_cmd_table, in which case COMMAND will
not have been added to mi_cmd_table. Otherwise, return true, and
COMMAND was added to mi_cmd_table. */
extern bool insert_mi_cmd_entry (mi_command_up command);
/* Remove the command called NAME from the global mi_cmd_table. Return
true if the removal was a success, otherwise return false, which
indicates no command called NAME was found in the mi_cmd_table. */
extern bool remove_mi_cmd_entry (const std::string &name);
/* Call CALLBACK for each registered MI command. Remove commands for which
CALLBACK returns true. */
using remove_mi_cmd_entries_ftype
= gdb::function_view<bool (mi_command *)>;
extern void remove_mi_cmd_entries (remove_mi_cmd_entries_ftype callback);
/* Return true if type is a simple type: that is, neither an array, structure,
or union, nor a reference to an array, structure, or union. */
extern bool mi_simple_type_p (struct type *type);
#endif /* MI_MI_CMDS_H */
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