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llvm-project/lldb/source/Commands/CommandObjectFrame.cpp
Zachary Turner bf9a77305f Move classes from Core -> Utility. 
This moves the following classes from Core -> Utility.

ConstString
Error
RegularExpression
Stream
StreamString

The goal here is to get lldbUtility into a state where it has
no dependendencies except on itself and LLVM, so it can be the
starting point at which to start untangling LLDB's dependencies.
These are all low level and very widely used classes, and
previously lldbUtility had dependencies up to lldbCore in order
to use these classes.  So moving then down to lldbUtility makes
sense from both the short term and long term perspective in
solving this problem.

Differential Revision: https://reviews.llvm.org/D29427

llvm-svn: 293941
2017-02-02 21:39:50 +00:00

742 lines
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//===-- CommandObjectFrame.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
#include <string>
// Other libraries and framework includes
// Project includes
#include "CommandObjectFrame.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Core/Timer.h"
#include "lldb/Core/Value.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Core/ValueObjectVariable.h"
#include "lldb/DataFormatters/DataVisualization.h"
#include "lldb/DataFormatters/ValueObjectPrinter.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/StringConvert.h"
#include "lldb/Interpreter/Args.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/OptionGroupFormat.h"
#include "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
#include "lldb/Interpreter/OptionGroupVariable.h"
#include "lldb/Interpreter/Options.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Symbol/CompilerType.h"
#include "lldb/Symbol/Function.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Symbol/Type.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Symbol/VariableList.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/LLDBAssert.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
#pragma mark CommandObjectFrameDiagnose
//-------------------------------------------------------------------------
// CommandObjectFrameInfo
//-------------------------------------------------------------------------
//-------------------------------------------------------------------------
// CommandObjectFrameDiagnose
//-------------------------------------------------------------------------
static OptionDefinition g_frame_diag_options[] = {
// clang-format off
{ LLDB_OPT_SET_1, false, "register", 'r', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeRegisterName, "A register to diagnose." },
{ LLDB_OPT_SET_1, false, "address", 'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeAddress, "An address to diagnose." },
{ LLDB_OPT_SET_1, false, "offset", 'o', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeOffset, "An optional offset. Requires --register." }
// clang-format on
};
class CommandObjectFrameDiagnose : public CommandObjectParsed {
public:
class CommandOptions : public Options {
public:
CommandOptions() : Options() { OptionParsingStarting(nullptr); }
~CommandOptions() override = default;
Error SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'r':
reg = ConstString(option_arg);
break;
case 'a': {
address.emplace();
if (option_arg.getAsInteger(0, *address)) {
address.reset();
error.SetErrorStringWithFormat("invalid address argument '%s'",
option_arg.str().c_str());
}
} break;
case 'o': {
offset.emplace();
if (option_arg.getAsInteger(0, *offset)) {
offset.reset();
error.SetErrorStringWithFormat("invalid offset argument '%s'",
option_arg.str().c_str());
}
} break;
default:
error.SetErrorStringWithFormat("invalid short option character '%c'",
short_option);
break;
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
address.reset();
reg.reset();
offset.reset();
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_frame_diag_options);
}
// Options.
llvm::Optional<lldb::addr_t> address;
llvm::Optional<ConstString> reg;
llvm::Optional<int64_t> offset;
};
CommandObjectFrameDiagnose(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "frame diagnose",
"Try to determine what path path the current stop "
"location used to get to a register or address",
nullptr,
eCommandRequiresThread | eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched |
eCommandProcessMustBePaused),
m_options() {
CommandArgumentEntry arg;
CommandArgumentData index_arg;
// Define the first (and only) variant of this arg.
index_arg.arg_type = eArgTypeFrameIndex;
index_arg.arg_repetition = eArgRepeatOptional;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(index_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectFrameDiagnose() override = default;
Options *GetOptions() override { return &m_options; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Thread *thread = m_exe_ctx.GetThreadPtr();
StackFrameSP frame_sp = thread->GetSelectedFrame();
ValueObjectSP valobj_sp;
if (m_options.address.hasValue()) {
if (m_options.reg.hasValue() || m_options.offset.hasValue()) {
result.AppendError(
"`frame diagnose --address` is incompatible with other arguments.");
result.SetStatus(eReturnStatusFailed);
return false;
}
valobj_sp = frame_sp->GuessValueForAddress(m_options.address.getValue());
} else if (m_options.reg.hasValue()) {
valobj_sp = frame_sp->GuessValueForRegisterAndOffset(
m_options.reg.getValue(), m_options.offset.getValueOr(0));
} else {
StopInfoSP stop_info_sp = thread->GetStopInfo();
if (!stop_info_sp) {
result.AppendError("No arguments provided, and no stop info.");
result.SetStatus(eReturnStatusFailed);
return false;
}
valobj_sp = StopInfo::GetCrashingDereference(stop_info_sp);
}
if (!valobj_sp) {
result.AppendError("No diagnosis available.");
result.SetStatus(eReturnStatusFailed);
return false;
}
const bool qualify_cxx_base_classes = false;
DumpValueObjectOptions::DeclPrintingHelper helper =
[&valobj_sp, qualify_cxx_base_classes](
ConstString type, ConstString var,
const DumpValueObjectOptions &opts, Stream &stream) -> bool {
const ValueObject::GetExpressionPathFormat format = ValueObject::
GetExpressionPathFormat::eGetExpressionPathFormatHonorPointers;
valobj_sp->GetExpressionPath(stream, qualify_cxx_base_classes, format);
stream.PutCString(" =");
return true;
};
DumpValueObjectOptions options;
options.SetDeclPrintingHelper(helper);
ValueObjectPrinter printer(valobj_sp.get(), &result.GetOutputStream(),
options);
printer.PrintValueObject();
return true;
}
protected:
CommandOptions m_options;
};
#pragma mark CommandObjectFrameInfo
//-------------------------------------------------------------------------
// CommandObjectFrameInfo
//-------------------------------------------------------------------------
class CommandObjectFrameInfo : public CommandObjectParsed {
public:
CommandObjectFrameInfo(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "frame info", "List information about the current "
"stack frame in the current thread.",
"frame info",
eCommandRequiresFrame | eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {}
~CommandObjectFrameInfo() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
m_exe_ctx.GetFrameRef().DumpUsingSettingsFormat(&result.GetOutputStream());
result.SetStatus(eReturnStatusSuccessFinishResult);
return result.Succeeded();
}
};
#pragma mark CommandObjectFrameSelect
//-------------------------------------------------------------------------
// CommandObjectFrameSelect
//-------------------------------------------------------------------------
static OptionDefinition g_frame_select_options[] = {
// clang-format off
{ LLDB_OPT_SET_1, false, "relative", 'r', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeOffset, "A relative frame index offset from the current frame index." },
// clang-format on
};
class CommandObjectFrameSelect : public CommandObjectParsed {
public:
class CommandOptions : public Options {
public:
CommandOptions() : Options() { OptionParsingStarting(nullptr); }
~CommandOptions() override = default;
Error SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'r':
if (option_arg.getAsInteger(0, relative_frame_offset)) {
relative_frame_offset = INT32_MIN;
error.SetErrorStringWithFormat("invalid frame offset argument '%s'",
option_arg.str().c_str());
}
break;
default:
error.SetErrorStringWithFormat("invalid short option character '%c'",
short_option);
break;
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
relative_frame_offset = INT32_MIN;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_frame_select_options);
}
int32_t relative_frame_offset;
};
CommandObjectFrameSelect(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "frame select", "Select the current stack frame by "
"index from within the current thread "
"(see 'thread backtrace'.)",
nullptr,
eCommandRequiresThread | eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched | eCommandProcessMustBePaused),
m_options() {
CommandArgumentEntry arg;
CommandArgumentData index_arg;
// Define the first (and only) variant of this arg.
index_arg.arg_type = eArgTypeFrameIndex;
index_arg.arg_repetition = eArgRepeatOptional;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(index_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectFrameSelect() override = default;
Options *GetOptions() override { return &m_options; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
// No need to check "thread" for validity as eCommandRequiresThread ensures
// it is valid
Thread *thread = m_exe_ctx.GetThreadPtr();
uint32_t frame_idx = UINT32_MAX;
if (m_options.relative_frame_offset != INT32_MIN) {
// The one and only argument is a signed relative frame index
frame_idx = thread->GetSelectedFrameIndex();
if (frame_idx == UINT32_MAX)
frame_idx = 0;
if (m_options.relative_frame_offset < 0) {
if (static_cast<int32_t>(frame_idx) >= -m_options.relative_frame_offset)
frame_idx += m_options.relative_frame_offset;
else {
if (frame_idx == 0) {
// If you are already at the bottom of the stack, then just warn and
// don't reset the frame.
result.AppendError("Already at the bottom of the stack.");
result.SetStatus(eReturnStatusFailed);
return false;
} else
frame_idx = 0;
}
} else if (m_options.relative_frame_offset > 0) {
// I don't want "up 20" where "20" takes you past the top of the stack
// to produce
// an error, but rather to just go to the top. So I have to count the
// stack here...
const uint32_t num_frames = thread->GetStackFrameCount();
if (static_cast<int32_t>(num_frames - frame_idx) >
m_options.relative_frame_offset)
frame_idx += m_options.relative_frame_offset;
else {
if (frame_idx == num_frames - 1) {
// If we are already at the top of the stack, just warn and don't
// reset the frame.
result.AppendError("Already at the top of the stack.");
result.SetStatus(eReturnStatusFailed);
return false;
} else
frame_idx = num_frames - 1;
}
}
} else {
if (command.GetArgumentCount() > 1) {
result.AppendErrorWithFormat(
"too many arguments; expected frame-index, saw '%s'.\n",
command[0].c_str());
m_options.GenerateOptionUsage(
result.GetErrorStream(), this,
GetCommandInterpreter().GetDebugger().GetTerminalWidth());
return false;
}
if (command.GetArgumentCount() == 1) {
if (command[0].ref.getAsInteger(0, frame_idx)) {
result.AppendErrorWithFormat("invalid frame index argument '%s'.",
command[0].c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
} else if (command.GetArgumentCount() == 0) {
frame_idx = thread->GetSelectedFrameIndex();
if (frame_idx == UINT32_MAX) {
frame_idx = 0;
}
}
}
bool success = thread->SetSelectedFrameByIndexNoisily(
frame_idx, result.GetOutputStream());
if (success) {
m_exe_ctx.SetFrameSP(thread->GetSelectedFrame());
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
result.AppendErrorWithFormat("Frame index (%u) out of range.\n",
frame_idx);
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
protected:
CommandOptions m_options;
};
#pragma mark CommandObjectFrameVariable
//----------------------------------------------------------------------
// List images with associated information
//----------------------------------------------------------------------
class CommandObjectFrameVariable : public CommandObjectParsed {
public:
CommandObjectFrameVariable(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "frame variable",
"Show variables for the current stack frame. Defaults to all "
"arguments and local variables in scope. Names of argument, "
"local, file static and file global variables can be specified. "
"Children of aggregate variables can be specified such as "
"'var->child.x'.",
nullptr, eCommandRequiresFrame | eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched |
eCommandProcessMustBePaused | eCommandRequiresProcess),
m_option_group(),
m_option_variable(
true), // Include the frame specific options by passing "true"
m_option_format(eFormatDefault),
m_varobj_options() {
CommandArgumentEntry arg;
CommandArgumentData var_name_arg;
// Define the first (and only) variant of this arg.
var_name_arg.arg_type = eArgTypeVarName;
var_name_arg.arg_repetition = eArgRepeatStar;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(var_name_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
m_option_group.Append(&m_option_variable, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_option_format,
OptionGroupFormat::OPTION_GROUP_FORMAT |
OptionGroupFormat::OPTION_GROUP_GDB_FMT,
LLDB_OPT_SET_1);
m_option_group.Append(&m_varobj_options, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Finalize();
}
~CommandObjectFrameVariable() override = default;
Options *GetOptions() override { return &m_option_group; }
int HandleArgumentCompletion(Args &input, int &cursor_index,
int &cursor_char_position,
OptionElementVector &opt_element_vector,
int match_start_point, int max_return_elements,
bool &word_complete,
StringList &matches) override {
// Arguments are the standard source file completer.
auto completion_str = input[cursor_index].ref;
completion_str = completion_str.take_front(cursor_char_position);
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eVariablePathCompletion,
completion_str, match_start_point, max_return_elements, nullptr,
word_complete, matches);
return matches.GetSize();
}
protected:
llvm::StringRef GetScopeString(VariableSP var_sp) {
if (!var_sp)
return llvm::StringRef::withNullAsEmpty(nullptr);
switch (var_sp->GetScope()) {
case eValueTypeVariableGlobal:
return "GLOBAL: ";
case eValueTypeVariableStatic:
return "STATIC: ";
case eValueTypeVariableArgument:
return "ARG: ";
case eValueTypeVariableLocal:
return "LOCAL: ";
case eValueTypeVariableThreadLocal:
return "THREAD: ";
default:
break;
}
return llvm::StringRef::withNullAsEmpty(nullptr);
}
bool DoExecute(Args &command, CommandReturnObject &result) override {
// No need to check "frame" for validity as eCommandRequiresFrame ensures it
// is valid
StackFrame *frame = m_exe_ctx.GetFramePtr();
Stream &s = result.GetOutputStream();
// Be careful about the stack frame, if any summary formatter runs code, it
// might clear the StackFrameList
// for the thread. So hold onto a shared pointer to the frame so it stays
// alive.
VariableList *variable_list =
frame->GetVariableList(m_option_variable.show_globals);
VariableSP var_sp;
ValueObjectSP valobj_sp;
TypeSummaryImplSP summary_format_sp;
if (!m_option_variable.summary.IsCurrentValueEmpty())
DataVisualization::NamedSummaryFormats::GetSummaryFormat(
ConstString(m_option_variable.summary.GetCurrentValue()),
summary_format_sp);
else if (!m_option_variable.summary_string.IsCurrentValueEmpty())
summary_format_sp.reset(new StringSummaryFormat(
TypeSummaryImpl::Flags(),
m_option_variable.summary_string.GetCurrentValue()));
DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions(
eLanguageRuntimeDescriptionDisplayVerbosityFull, eFormatDefault,
summary_format_sp));
const SymbolContext &sym_ctx =
frame->GetSymbolContext(eSymbolContextFunction);
if (sym_ctx.function && sym_ctx.function->IsTopLevelFunction())
m_option_variable.show_globals = true;
if (variable_list) {
const Format format = m_option_format.GetFormat();
options.SetFormat(format);
if (!command.empty()) {
VariableList regex_var_list;
// If we have any args to the variable command, we will make
// variable objects from them...
for (auto &entry : command) {
if (m_option_variable.use_regex) {
const size_t regex_start_index = regex_var_list.GetSize();
llvm::StringRef name_str = entry.ref;
RegularExpression regex(name_str);
if (regex.Compile(name_str)) {
size_t num_matches = 0;
const size_t num_new_regex_vars =
variable_list->AppendVariablesIfUnique(regex, regex_var_list,
num_matches);
if (num_new_regex_vars > 0) {
for (size_t regex_idx = regex_start_index,
end_index = regex_var_list.GetSize();
regex_idx < end_index; ++regex_idx) {
var_sp = regex_var_list.GetVariableAtIndex(regex_idx);
if (var_sp) {
valobj_sp = frame->GetValueObjectForFrameVariable(
var_sp, m_varobj_options.use_dynamic);
if (valobj_sp) {
std::string scope_string;
if (m_option_variable.show_scope)
scope_string = GetScopeString(var_sp).str();
if (!scope_string.empty())
s.PutCString(scope_string);
if (m_option_variable.show_decl &&
var_sp->GetDeclaration().GetFile()) {
bool show_fullpaths = false;
bool show_module = true;
if (var_sp->DumpDeclaration(&s, show_fullpaths,
show_module))
s.PutCString(": ");
}
valobj_sp->Dump(result.GetOutputStream(), options);
}
}
}
} else if (num_matches == 0) {
result.GetErrorStream().Printf("error: no variables matched "
"the regular expression '%s'.\n",
entry.c_str());
}
} else {
char regex_error[1024];
if (regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
result.GetErrorStream().Printf("error: %s\n", regex_error);
else
result.GetErrorStream().Printf(
"error: unknown regex error when compiling '%s'\n",
entry.c_str());
}
} else // No regex, either exact variable names or variable
// expressions.
{
Error error;
uint32_t expr_path_options =
StackFrame::eExpressionPathOptionCheckPtrVsMember |
StackFrame::eExpressionPathOptionsAllowDirectIVarAccess |
StackFrame::eExpressionPathOptionsInspectAnonymousUnions;
lldb::VariableSP var_sp;
valobj_sp = frame->GetValueForVariableExpressionPath(
entry.ref, m_varobj_options.use_dynamic, expr_path_options,
var_sp, error);
if (valobj_sp) {
std::string scope_string;
if (m_option_variable.show_scope)
scope_string = GetScopeString(var_sp).str();
if (!scope_string.empty())
s.PutCString(scope_string);
// if (format != eFormatDefault)
// valobj_sp->SetFormat (format);
if (m_option_variable.show_decl && var_sp &&
var_sp->GetDeclaration().GetFile()) {
var_sp->GetDeclaration().DumpStopContext(&s, false);
s.PutCString(": ");
}
options.SetFormat(format);
options.SetVariableFormatDisplayLanguage(
valobj_sp->GetPreferredDisplayLanguage());
Stream &output_stream = result.GetOutputStream();
options.SetRootValueObjectName(
valobj_sp->GetParent() ? entry.c_str() : nullptr);
valobj_sp->Dump(output_stream, options);
} else {
const char *error_cstr = error.AsCString(nullptr);
if (error_cstr)
result.GetErrorStream().Printf("error: %s\n", error_cstr);
else
result.GetErrorStream().Printf("error: unable to find any "
"variable expression path that "
"matches '%s'.\n",
entry.c_str());
}
}
}
} else // No command arg specified. Use variable_list, instead.
{
const size_t num_variables = variable_list->GetSize();
if (num_variables > 0) {
for (size_t i = 0; i < num_variables; i++) {
var_sp = variable_list->GetVariableAtIndex(i);
bool dump_variable = true;
std::string scope_string;
if (dump_variable && m_option_variable.show_scope)
scope_string = GetScopeString(var_sp).str();
if (dump_variable) {
// Use the variable object code to make sure we are
// using the same APIs as the public API will be
// using...
valobj_sp = frame->GetValueObjectForFrameVariable(
var_sp, m_varobj_options.use_dynamic);
if (valobj_sp) {
// When dumping all variables, don't print any variables
// that are not in scope to avoid extra unneeded output
if (valobj_sp->IsInScope()) {
if (!valobj_sp->GetTargetSP()
->GetDisplayRuntimeSupportValues() &&
valobj_sp->IsRuntimeSupportValue())
continue;
if (!scope_string.empty())
s.PutCString(scope_string);
if (m_option_variable.show_decl &&
var_sp->GetDeclaration().GetFile()) {
var_sp->GetDeclaration().DumpStopContext(&s, false);
s.PutCString(": ");
}
options.SetFormat(format);
options.SetVariableFormatDisplayLanguage(
valobj_sp->GetPreferredDisplayLanguage());
options.SetRootValueObjectName(
var_sp ? var_sp->GetName().AsCString() : nullptr);
valobj_sp->Dump(result.GetOutputStream(), options);
}
}
}
}
}
}
result.SetStatus(eReturnStatusSuccessFinishResult);
}
if (m_interpreter.TruncationWarningNecessary()) {
result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
m_cmd_name.c_str());
m_interpreter.TruncationWarningGiven();
}
return result.Succeeded();
}
protected:
OptionGroupOptions m_option_group;
OptionGroupVariable m_option_variable;
OptionGroupFormat m_option_format;
OptionGroupValueObjectDisplay m_varobj_options;
};
#pragma mark CommandObjectMultiwordFrame
//-------------------------------------------------------------------------
// CommandObjectMultiwordFrame
//-------------------------------------------------------------------------
CommandObjectMultiwordFrame::CommandObjectMultiwordFrame(
CommandInterpreter &interpreter)
: CommandObjectMultiword(interpreter, "frame", "Commands for selecting and "
"examing the current "
"thread's stack frames.",
"frame <subcommand> [<subcommand-options>]") {
LoadSubCommand("diagnose",
CommandObjectSP(new CommandObjectFrameDiagnose(interpreter)));
LoadSubCommand("info",
CommandObjectSP(new CommandObjectFrameInfo(interpreter)));
LoadSubCommand("select",
CommandObjectSP(new CommandObjectFrameSelect(interpreter)));
LoadSubCommand("variable",
CommandObjectSP(new CommandObjectFrameVariable(interpreter)));
}
CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame() = default;
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