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//===-- CommandObjectBreakpointCommand.cpp ----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "CommandObjectBreakpointCommand.h"
#include "CommandObjectBreakpoint.h"
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointIDList.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Breakpoint/StoppointCallbackContext.h"
#include "lldb/Core/IOHandler.h"
#include "lldb/Core/State.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "llvm/ADT/STLExtras.h"
using namespace lldb;
using namespace lldb_private;
//-------------------------------------------------------------------------
// CommandObjectBreakpointCommandAdd
//-------------------------------------------------------------------------
// FIXME: "script-type" needs to have its contents determined dynamically, so
// somebody can add a new scripting
// language to lldb and have it pickable here without having to change this
// enumeration by hand and rebuild lldb proper.
static OptionEnumValueElement g_script_option_enumeration[4] = {
{eScriptLanguageNone, "command",
"Commands are in the lldb command interpreter language"},
{eScriptLanguagePython, "python", "Commands are in the Python language."},
{eSortOrderByName, "default-script",
"Commands are in the default scripting language."},
{0, nullptr, nullptr}};
static OptionDefinition g_breakpoint_add_options[] = {
// clang-format off
{ LLDB_OPT_SET_1, false, "one-liner", 'o', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeOneLiner, "Specify a one-line breakpoint command inline. Be sure to surround it with quotes." },
{ LLDB_OPT_SET_ALL, false, "stop-on-error", 'e', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Specify whether breakpoint command execution should terminate on error." },
{ LLDB_OPT_SET_ALL, false, "script-type", 's', OptionParser::eRequiredArgument, nullptr, g_script_option_enumeration, 0, eArgTypeNone, "Specify the language for the commands - if none is specified, the lldb command interpreter will be used." },
{ LLDB_OPT_SET_2, false, "python-function", 'F', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePythonFunction, "Give the name of a Python function to run as command for this breakpoint. Be sure to give a module name if appropriate." },
{ LLDB_OPT_SET_ALL, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Sets Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets." },
// clang-format on
};
class CommandObjectBreakpointCommandAdd : public CommandObjectParsed,
public IOHandlerDelegateMultiline {
public:
CommandObjectBreakpointCommandAdd(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "add",
"Add LLDB commands to a breakpoint, to be executed "
"whenever the breakpoint is hit."
" If no breakpoint is specified, adds the "
"commands to the last created breakpoint.",
nullptr),
IOHandlerDelegateMultiline("DONE",
IOHandlerDelegate::Completion::LLDBCommand),
m_options() {
SetHelpLong(
R"(
General information about entering breakpoint commands
------------------------------------------------------
)"
"This command will prompt for commands to be executed when the specified \
breakpoint is hit. Each command is typed on its own line following the '> ' \
prompt until 'DONE' is entered."
R"(
)"
"Syntactic errors may not be detected when initially entered, and many \
malformed commands can silently fail when executed. If your breakpoint commands \
do not appear to be executing, double-check the command syntax."
R"(
)"
"Note: You may enter any debugger command exactly as you would at the debugger \
prompt. There is no limit to the number of commands supplied, but do NOT enter \
more than one command per line."
R"(
Special information about PYTHON breakpoint commands
----------------------------------------------------
)"
"You may enter either one or more lines of Python, including function \
definitions or calls to functions that will have been imported by the time \
the code executes. Single line breakpoint commands will be interpreted 'as is' \
when the breakpoint is hit. Multiple lines of Python will be wrapped in a \
generated function, and a call to the function will be attached to the breakpoint."
R"(
This auto-generated function is passed in three arguments:
frame: an lldb.SBFrame object for the frame which hit breakpoint.
bp_loc: an lldb.SBBreakpointLocation object that represents the breakpoint location that was hit.
dict: the python session dictionary hit.
)"
"When specifying a python function with the --python-function option, you need \
to supply the function name prepended by the module name:"
R"(
--python-function myutils.breakpoint_callback
The function itself must have the following prototype:
def breakpoint_callback(frame, bp_loc, dict):
# Your code goes here
)"
"The arguments are the same as the arguments passed to generated functions as \
described above. Note that the global variable 'lldb.frame' will NOT be updated when \
this function is called, so be sure to use the 'frame' argument. The 'frame' argument \
can get you to the thread via frame.GetThread(), the thread can get you to the \
process via thread.GetProcess(), and the process can get you back to the target \
via process.GetTarget()."
R"(
)"
"Important Note: As Python code gets collected into functions, access to global \
variables requires explicit scoping using the 'global' keyword. Be sure to use correct \
Python syntax, including indentation, when entering Python breakpoint commands."
R"(
Example Python one-line breakpoint command:
(lldb) breakpoint command add -s python 1
Enter your Python command(s). Type 'DONE' to end.
> print "Hit this breakpoint!"
> DONE
As a convenience, this also works for a short Python one-liner:
(lldb) breakpoint command add -s python 1 -o 'import time; print time.asctime()'
(lldb) run
Launching '.../a.out' (x86_64)
(lldb) Fri Sep 10 12:17:45 2010
Process 21778 Stopped
* thread #1: tid = 0x2e03, 0x0000000100000de8 a.out`c + 7 at main.c:39, stop reason = breakpoint 1.1, queue = com.apple.main-thread
36
37 int c(int val)
38 {
39 -> return val + 3;
40 }
41
42 int main (int argc, char const *argv[])
Example multiple line Python breakpoint command:
(lldb) breakpoint command add -s p 1
Enter your Python command(s). Type 'DONE' to end.
> global bp_count
> bp_count = bp_count + 1
> print "Hit this breakpoint " + repr(bp_count) + " times!"
> DONE
Example multiple line Python breakpoint command, using function definition:
(lldb) breakpoint command add -s python 1
Enter your Python command(s). Type 'DONE' to end.
> def breakpoint_output (bp_no):
> out_string = "Hit breakpoint number " + repr (bp_no)
> print out_string
> return True
> breakpoint_output (1)
> DONE
)"
"In this case, since there is a reference to a global variable, \
'bp_count', you will also need to make sure 'bp_count' exists and is \
initialized:"
R"(
(lldb) script
>>> bp_count = 0
>>> quit()
)"
"Your Python code, however organized, can optionally return a value. \
If the returned value is False, that tells LLDB not to stop at the breakpoint \
to which the code is associated. Returning anything other than False, or even \
returning None, or even omitting a return statement entirely, will cause \
LLDB to stop."
R"(
)"
"Final Note: A warning that no breakpoint command was generated when there \
are no syntax errors may indicate that a function was declared but never called.");
CommandArgumentEntry arg;
CommandArgumentData bp_id_arg;
// Define the first (and only) variant of this arg.
bp_id_arg.arg_type = eArgTypeBreakpointID;
bp_id_arg.arg_repetition = eArgRepeatOptional;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(bp_id_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointCommandAdd() override = default;
Options *GetOptions() override { return &m_options; }
void IOHandlerActivated(IOHandler &io_handler) override {
StreamFileSP output_sp(io_handler.GetOutputStreamFile());
if (output_sp) {
output_sp->PutCString(g_reader_instructions);
output_sp->Flush();
}
}
void IOHandlerInputComplete(IOHandler &io_handler,
std::string &line) override {
io_handler.SetIsDone(true);
std::vector<BreakpointOptions *> *bp_options_vec =
(std::vector<BreakpointOptions *> *)io_handler.GetUserData();
for (BreakpointOptions *bp_options : *bp_options_vec) {
if (!bp_options)
continue;
auto cmd_data = llvm::make_unique<BreakpointOptions::CommandData>();
cmd_data->user_source.SplitIntoLines(line.c_str(), line.size());
bp_options->SetCommandDataCallback(cmd_data);
}
}
void CollectDataForBreakpointCommandCallback(
std::vector<BreakpointOptions *> &bp_options_vec,
CommandReturnObject &result) {
m_interpreter.GetLLDBCommandsFromIOHandler(
"> ", // Prompt
*this, // IOHandlerDelegate
true, // Run IOHandler in async mode
&bp_options_vec); // Baton for the "io_handler" that will be passed back
// into our IOHandlerDelegate functions
}
/// Set a one-liner as the callback for the breakpoint.
void
SetBreakpointCommandCallback(std::vector<BreakpointOptions *> &bp_options_vec,
const char *oneliner) {
for (auto bp_options : bp_options_vec) {
auto cmd_data = llvm::make_unique<BreakpointOptions::CommandData>();
cmd_data->user_source.AppendString(oneliner);
cmd_data->stop_on_error = m_options.m_stop_on_error;
bp_options->SetCommandDataCallback(cmd_data);
}
}
class CommandOptions : public Options {
public:
CommandOptions()
: Options(), m_use_commands(false), m_use_script_language(false),
m_script_language(eScriptLanguageNone), m_use_one_liner(false),
m_one_liner(), m_function_name() {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'o':
m_use_one_liner = true;
m_one_liner = option_arg;
break;
case 's':
m_script_language = (lldb::ScriptLanguage)Args::StringToOptionEnum(
option_arg, g_breakpoint_add_options[option_idx].enum_values,
eScriptLanguageNone, error);
if (m_script_language == eScriptLanguagePython ||
m_script_language == eScriptLanguageDefault) {
m_use_script_language = true;
} else {
m_use_script_language = false;
}
break;
case 'e': {
bool success = false;
m_stop_on_error = Args::StringToBoolean(option_arg, false, &success);
if (!success)
error.SetErrorStringWithFormat(
"invalid value for stop-on-error: \"%s\"",
option_arg.str().c_str());
} break;
case 'F':
m_use_one_liner = false;
m_use_script_language = true;
m_function_name.assign(option_arg);
break;
case 'D':
m_use_dummy = true;
break;
default:
break;
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_use_commands = true;
m_use_script_language = false;
m_script_language = eScriptLanguageNone;
m_use_one_liner = false;
m_stop_on_error = true;
m_one_liner.clear();
m_function_name.clear();
m_use_dummy = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_add_options);
}
// Instance variables to hold the values for command options.
bool m_use_commands;
bool m_use_script_language;
lldb::ScriptLanguage m_script_language;
// Instance variables to hold the values for one_liner options.
bool m_use_one_liner;
std::string m_one_liner;
bool m_stop_on_error;
std::string m_function_name;
bool m_use_dummy;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
if (target == nullptr) {
result.AppendError("There is not a current executable; there are no "
"breakpoints to which to add commands");
result.SetStatus(eReturnStatusFailed);
return false;
}
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendError("No breakpoints exist to have commands added");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (!m_options.m_use_script_language &&
!m_options.m_function_name.empty()) {
result.AppendError("need to enable scripting to have a function run as a "
"breakpoint command");
result.SetStatus(eReturnStatusFailed);
return false;
}
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, target, result, &valid_bp_ids);
m_bp_options_vec.clear();
if (result.Succeeded()) {
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *bp =
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
BreakpointOptions *bp_options = nullptr;
if (cur_bp_id.GetLocationID() == LLDB_INVALID_BREAK_ID) {
// This breakpoint does not have an associated location.
bp_options = bp->GetOptions();
} else {
BreakpointLocationSP bp_loc_sp(
bp->FindLocationByID(cur_bp_id.GetLocationID()));
// This breakpoint does have an associated location.
// Get its breakpoint options.
if (bp_loc_sp)
bp_options = bp_loc_sp->GetLocationOptions();
}
if (bp_options)
m_bp_options_vec.push_back(bp_options);
}
}
// If we are using script language, get the script interpreter
// in order to set or collect command callback. Otherwise, call
// the methods associated with this object.
if (m_options.m_use_script_language) {
ScriptInterpreter *script_interp = m_interpreter.GetScriptInterpreter();
// Special handling for one-liner specified inline.
if (m_options.m_use_one_liner) {
script_interp->SetBreakpointCommandCallback(
m_bp_options_vec, m_options.m_one_liner.c_str());
} else if (!m_options.m_function_name.empty()) {
script_interp->SetBreakpointCommandCallbackFunction(
m_bp_options_vec, m_options.m_function_name.c_str());
} else {
script_interp->CollectDataForBreakpointCommandCallback(
m_bp_options_vec, result);
}
} else {
// Special handling for one-liner specified inline.
if (m_options.m_use_one_liner)
SetBreakpointCommandCallback(m_bp_options_vec,
m_options.m_one_liner.c_str());
else
CollectDataForBreakpointCommandCallback(m_bp_options_vec, result);
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
std::vector<BreakpointOptions *> m_bp_options_vec; // This stores the
// breakpoint options that
// we are currently
// collecting commands for. In the CollectData... calls we need
// to hand this off to the IOHandler, which may run asynchronously.
// So we have to have some way to keep it alive, and not leak it.
// Making it an ivar of the command object, which never goes away
// achieves this. Note that if we were able to run
// the same command concurrently in one interpreter we'd have to
// make this "per invocation". But there are many more reasons
// why it is not in general safe to do that in lldb at present,
// so it isn't worthwhile to come up with a more complex mechanism
// to address this particular weakness right now.
static const char *g_reader_instructions;
};
const char *CommandObjectBreakpointCommandAdd::g_reader_instructions =
"Enter your debugger command(s). Type 'DONE' to end.\n";
//-------------------------------------------------------------------------
// CommandObjectBreakpointCommandDelete
//-------------------------------------------------------------------------
static OptionDefinition g_breakpoint_delete_options[] = {
// clang-format off
{ LLDB_OPT_SET_1, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Delete commands from Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets." },
// clang-format on
};
class CommandObjectBreakpointCommandDelete : public CommandObjectParsed {
public:
CommandObjectBreakpointCommandDelete(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "delete",
"Delete the set of commands from a breakpoint.",
nullptr),
m_options() {
CommandArgumentEntry arg;
CommandArgumentData bp_id_arg;
// Define the first (and only) variant of this arg.
bp_id_arg.arg_type = eArgTypeBreakpointID;
bp_id_arg.arg_repetition = eArgRepeatPlain;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(bp_id_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointCommandDelete() override = default;
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions() : Options(), m_use_dummy(false) {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'D':
m_use_dummy = true;
break;
default:
error.SetErrorStringWithFormat("unrecognized option '%c'",
short_option);
break;
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_use_dummy = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_delete_options);
}
// Instance variables to hold the values for command options.
bool m_use_dummy;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
if (target == nullptr) {
result.AppendError("There is not a current executable; there are no "
"breakpoints from which to delete commands");
result.SetStatus(eReturnStatusFailed);
return false;
}
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendError("No breakpoints exist to have commands deleted");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (command.empty()) {
result.AppendError(
"No breakpoint specified from which to delete the commands");
result.SetStatus(eReturnStatusFailed);
return false;
}
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, target, result, &valid_bp_ids);
if (result.Succeeded()) {
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *bp =
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
BreakpointLocationSP bp_loc_sp(
bp->FindLocationByID(cur_bp_id.GetLocationID()));
if (bp_loc_sp)
bp_loc_sp->ClearCallback();
else {
result.AppendErrorWithFormat("Invalid breakpoint ID: %u.%u.\n",
cur_bp_id.GetBreakpointID(),
cur_bp_id.GetLocationID());
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
bp->ClearCallback();
}
}
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointCommandList
//-------------------------------------------------------------------------
class CommandObjectBreakpointCommandList : public CommandObjectParsed {
public:
CommandObjectBreakpointCommandList(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "list", "List the script or set of "
"commands to be executed when "
"the breakpoint is hit.",
nullptr) {
CommandArgumentEntry arg;
CommandArgumentData bp_id_arg;
// Define the first (and only) variant of this arg.
bp_id_arg.arg_type = eArgTypeBreakpointID;
bp_id_arg.arg_repetition = eArgRepeatPlain;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(bp_id_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointCommandList() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
if (target == nullptr) {
result.AppendError("There is not a current executable; there are no "
"breakpoints for which to list commands");
result.SetStatus(eReturnStatusFailed);
return false;
}
const BreakpointList &breakpoints = target->GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendError("No breakpoints exist for which to list commands");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (command.empty()) {
result.AppendError(
"No breakpoint specified for which to list the commands");
result.SetStatus(eReturnStatusFailed);
return false;
}
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, target, result, &valid_bp_ids);
if (result.Succeeded()) {
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *bp =
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
if (bp) {
const BreakpointOptions *bp_options = nullptr;
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
BreakpointLocationSP bp_loc_sp(
bp->FindLocationByID(cur_bp_id.GetLocationID()));
if (bp_loc_sp)
bp_options = bp_loc_sp->GetOptionsNoCreate();
else {
result.AppendErrorWithFormat("Invalid breakpoint ID: %u.%u.\n",
cur_bp_id.GetBreakpointID(),
cur_bp_id.GetLocationID());
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
bp_options = bp->GetOptions();
}
if (bp_options) {
StreamString id_str;
BreakpointID::GetCanonicalReference(&id_str,
cur_bp_id.GetBreakpointID(),
cur_bp_id.GetLocationID());
const Baton *baton = bp_options->GetBaton();
if (baton) {
result.GetOutputStream().Printf("Breakpoint %s:\n",
id_str.GetData());
result.GetOutputStream().IndentMore();
baton->GetDescription(&result.GetOutputStream(),
eDescriptionLevelFull);
result.GetOutputStream().IndentLess();
} else {
result.AppendMessageWithFormat(
"Breakpoint %s does not have an associated command.\n",
id_str.GetData());
}
}
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
result.AppendErrorWithFormat("Invalid breakpoint ID: %u.\n",
cur_bp_id.GetBreakpointID());
result.SetStatus(eReturnStatusFailed);
}
}
}
}
return result.Succeeded();
}
};
//-------------------------------------------------------------------------
// CommandObjectBreakpointCommand
//-------------------------------------------------------------------------
CommandObjectBreakpointCommand::CommandObjectBreakpointCommand(
CommandInterpreter &interpreter)
: CommandObjectMultiword(
interpreter, "command", "Commands for adding, removing and listing "
"LLDB commands executed when a breakpoint is "
"hit.",
"command <sub-command> [<sub-command-options>] <breakpoint-id>") {
CommandObjectSP add_command_object(
new CommandObjectBreakpointCommandAdd(interpreter));
CommandObjectSP delete_command_object(
new CommandObjectBreakpointCommandDelete(interpreter));
CommandObjectSP list_command_object(
new CommandObjectBreakpointCommandList(interpreter));
add_command_object->SetCommandName("breakpoint command add");
delete_command_object->SetCommandName("breakpoint command delete");
list_command_object->SetCommandName("breakpoint command list");
LoadSubCommand("add", add_command_object);
LoadSubCommand("delete", delete_command_object);
LoadSubCommand("list", list_command_object);
}
CommandObjectBreakpointCommand::~CommandObjectBreakpointCommand() = default;
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