diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Commands/CommandObjectFrame.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Commands/CommandObjectFrame.cpp | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Commands/CommandObjectFrame.cpp b/contrib/llvm/tools/lldb/source/Commands/CommandObjectFrame.cpp new file mode 100644 index 000000000000..0bcc35062968 --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Commands/CommandObjectFrame.cpp @@ -0,0 +1,758 @@ +//===-- 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/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/OptionParser.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" +#include "lldb/Utility/Timer.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; + + 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 '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; + } + + + DumpValueObjectOptions::DeclPrintingHelper helper = [&valobj_sp]( + ConstString type, ConstString var, const DumpValueObjectOptions &opts, + Stream &stream) -> bool { + const ValueObject::GetExpressionPathFormat format = ValueObject:: + GetExpressionPathFormat::eGetExpressionPathFormatHonorPointers; + const bool qualify_cxx_base_classes = false; + 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; + + 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 '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. + { + Status 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); + switch (var_sp->GetScope()) { + case eValueTypeVariableGlobal: + if (!m_option_variable.show_globals) + continue; + break; + case eValueTypeVariableStatic: + if (!m_option_variable.show_globals) + continue; + break; + case eValueTypeVariableArgument: + if (!m_option_variable.show_args) + continue; + break; + case eValueTypeVariableLocal: + if (!m_option_variable.show_locals) + continue; + break; + default: + continue; + break; + } + std::string scope_string; + if (m_option_variable.show_scope) + scope_string = GetScopeString(var_sp).str(); + + // 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; |