| //===-- 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/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/Args.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 (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(); |
| } |
| |
| // Increment statistics. |
| bool res = result.Succeeded(); |
| Target *target = GetSelectedOrDummyTarget(); |
| if (res) |
| target->IncrementStats(StatisticKind::FrameVarSuccess); |
| else |
| target->IncrementStats(StatisticKind::FrameVarFailure); |
| return res; |
| } |
| |
| 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; |
