| //===-- CommandObjectExpression.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 |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/ADT/StringRef.h" |
| |
| // Project includes |
| #include "CommandObjectExpression.h" |
| #include "Plugins/ExpressionParser/Clang/ClangExpressionVariable.h" |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Core/Value.h" |
| #include "lldb/Core/ValueObjectVariable.h" |
| #include "lldb/DataFormatters/ValueObjectPrinter.h" |
| #include "lldb/Expression/DWARFExpression.h" |
| #include "lldb/Expression/REPL.h" |
| #include "lldb/Expression/UserExpression.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/OptionParser.h" |
| #include "lldb/Interpreter/CommandInterpreter.h" |
| #include "lldb/Interpreter/CommandReturnObject.h" |
| #include "lldb/Interpreter/OptionArgParser.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Symbol/Variable.h" |
| #include "lldb/Target/Language.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/StackFrame.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/Thread.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| CommandObjectExpression::CommandOptions::CommandOptions() : OptionGroup() {} |
| |
| CommandObjectExpression::CommandOptions::~CommandOptions() = default; |
| |
| static OptionEnumValueElement g_description_verbosity_type[] = { |
| {eLanguageRuntimeDescriptionDisplayVerbosityCompact, "compact", |
| "Only show the description string"}, |
| {eLanguageRuntimeDescriptionDisplayVerbosityFull, "full", |
| "Show the full output, including persistent variable's name and type"}, |
| {0, nullptr, nullptr}}; |
| |
| static OptionDefinition g_expression_options[] = { |
| // clang-format off |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "all-threads", 'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Should we run all threads if the execution doesn't complete on one thread."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "ignore-breakpoints", 'i', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Ignore breakpoint hits while running expressions"}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "timeout", 't', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeUnsignedInteger, "Timeout value (in microseconds) for running the expression."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "unwind-on-error", 'u', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Clean up program state if the expression causes a crash, or raises a signal. " |
| "Note, unlike gdb hitting a breakpoint is controlled by another option (-i)."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "debug", 'g', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "When specified, debug the JIT code by setting a breakpoint on the first instruction " |
| "and forcing breakpoints to not be ignored (-i0) and no unwinding to happen on error (-u0)."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "language", 'l', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeLanguage, "Specifies the Language to use when parsing the expression. If not set the target.language " |
| "setting is used." }, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "apply-fixits", 'X', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeLanguage, "If true, simple fix-it hints will be automatically applied to the expression." }, |
| {LLDB_OPT_SET_1, false, "description-verbosity", 'v', OptionParser::eOptionalArgument, nullptr, g_description_verbosity_type, 0, eArgTypeDescriptionVerbosity, "How verbose should the output of this expression be, if the object description is asked for."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "top-level", 'p', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Interpret the expression as a complete translation unit, without injecting it into the local " |
| "context. Allows declaration of persistent, top-level entities without a $ prefix."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "allow-jit", 'j', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Controls whether the expression can fall back to being JITted if it's not supported by " |
| "the interpreter (defaults to true)."} |
| // clang-format on |
| }; |
| |
| Status CommandObjectExpression::CommandOptions::SetOptionValue( |
| uint32_t option_idx, llvm::StringRef option_arg, |
| ExecutionContext *execution_context) { |
| Status error; |
| |
| const int short_option = GetDefinitions()[option_idx].short_option; |
| |
| switch (short_option) { |
| case 'l': |
| language = Language::GetLanguageTypeFromString(option_arg); |
| if (language == eLanguageTypeUnknown) |
| error.SetErrorStringWithFormat( |
| "unknown language type: '%s' for expression", |
| option_arg.str().c_str()); |
| break; |
| |
| case 'a': { |
| bool success; |
| bool result; |
| result = OptionArgParser::ToBoolean(option_arg, true, &success); |
| if (!success) |
| error.SetErrorStringWithFormat( |
| "invalid all-threads value setting: \"%s\"", |
| option_arg.str().c_str()); |
| else |
| try_all_threads = result; |
| } break; |
| |
| case 'i': { |
| bool success; |
| bool tmp_value = OptionArgParser::ToBoolean(option_arg, true, &success); |
| if (success) |
| ignore_breakpoints = tmp_value; |
| else |
| error.SetErrorStringWithFormat( |
| "could not convert \"%s\" to a boolean value.", |
| option_arg.str().c_str()); |
| break; |
| } |
| |
| case 'j': { |
| bool success; |
| bool tmp_value = OptionArgParser::ToBoolean(option_arg, true, &success); |
| if (success) |
| allow_jit = tmp_value; |
| else |
| error.SetErrorStringWithFormat( |
| "could not convert \"%s\" to a boolean value.", |
| option_arg.str().c_str()); |
| break; |
| } |
| |
| case 't': |
| if (option_arg.getAsInteger(0, timeout)) { |
| timeout = 0; |
| error.SetErrorStringWithFormat("invalid timeout setting \"%s\"", |
| option_arg.str().c_str()); |
| } |
| break; |
| |
| case 'u': { |
| bool success; |
| bool tmp_value = OptionArgParser::ToBoolean(option_arg, true, &success); |
| if (success) |
| unwind_on_error = tmp_value; |
| else |
| error.SetErrorStringWithFormat( |
| "could not convert \"%s\" to a boolean value.", |
| option_arg.str().c_str()); |
| break; |
| } |
| |
| case 'v': |
| if (option_arg.empty()) { |
| m_verbosity = eLanguageRuntimeDescriptionDisplayVerbosityFull; |
| break; |
| } |
| m_verbosity = (LanguageRuntimeDescriptionDisplayVerbosity) |
| OptionArgParser::ToOptionEnum( |
| option_arg, GetDefinitions()[option_idx].enum_values, 0, error); |
| if (!error.Success()) |
| error.SetErrorStringWithFormat( |
| "unrecognized value for description-verbosity '%s'", |
| option_arg.str().c_str()); |
| break; |
| |
| case 'g': |
| debug = true; |
| unwind_on_error = false; |
| ignore_breakpoints = false; |
| break; |
| |
| case 'p': |
| top_level = true; |
| break; |
| |
| case 'X': { |
| bool success; |
| bool tmp_value = OptionArgParser::ToBoolean(option_arg, true, &success); |
| if (success) |
| auto_apply_fixits = tmp_value ? eLazyBoolYes : eLazyBoolNo; |
| else |
| error.SetErrorStringWithFormat( |
| "could not convert \"%s\" to a boolean value.", |
| option_arg.str().c_str()); |
| break; |
| } |
| |
| default: |
| error.SetErrorStringWithFormat("invalid short option character '%c'", |
| short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| void CommandObjectExpression::CommandOptions::OptionParsingStarting( |
| ExecutionContext *execution_context) { |
| auto process_sp = |
| execution_context ? execution_context->GetProcessSP() : ProcessSP(); |
| if (process_sp) { |
| ignore_breakpoints = process_sp->GetIgnoreBreakpointsInExpressions(); |
| unwind_on_error = process_sp->GetUnwindOnErrorInExpressions(); |
| } else { |
| ignore_breakpoints = true; |
| unwind_on_error = true; |
| } |
| |
| show_summary = true; |
| try_all_threads = true; |
| timeout = 0; |
| debug = false; |
| language = eLanguageTypeUnknown; |
| m_verbosity = eLanguageRuntimeDescriptionDisplayVerbosityCompact; |
| auto_apply_fixits = eLazyBoolCalculate; |
| top_level = false; |
| allow_jit = true; |
| } |
| |
| llvm::ArrayRef<OptionDefinition> |
| CommandObjectExpression::CommandOptions::GetDefinitions() { |
| return llvm::makeArrayRef(g_expression_options); |
| } |
| |
| CommandObjectExpression::CommandObjectExpression( |
| CommandInterpreter &interpreter) |
| : CommandObjectRaw( |
| interpreter, "expression", "Evaluate an expression on the current " |
| "thread. Displays any returned value " |
| "with LLDB's default formatting.", |
| "", eCommandProcessMustBePaused | eCommandTryTargetAPILock), |
| IOHandlerDelegate(IOHandlerDelegate::Completion::Expression), |
| m_option_group(), m_format_options(eFormatDefault), |
| m_repl_option(LLDB_OPT_SET_1, false, "repl", 'r', "Drop into REPL", false, |
| true), |
| m_command_options(), m_expr_line_count(0), m_expr_lines() { |
| SetHelpLong( |
| R"( |
| Single and multi-line expressions: |
| |
| )" |
| " The expression provided on the command line must be a complete expression \ |
| with no newlines. To evaluate a multi-line expression, \ |
| hit a return after an empty expression, and lldb will enter the multi-line expression editor. \ |
| Hit return on an empty line to end the multi-line expression." |
| |
| R"( |
| |
| Timeouts: |
| |
| )" |
| " If the expression can be evaluated statically (without running code) then it will be. \ |
| Otherwise, by default the expression will run on the current thread with a short timeout: \ |
| currently .25 seconds. If it doesn't return in that time, the evaluation will be interrupted \ |
| and resumed with all threads running. You can use the -a option to disable retrying on all \ |
| threads. You can use the -t option to set a shorter timeout." |
| R"( |
| |
| User defined variables: |
| |
| )" |
| " You can define your own variables for convenience or to be used in subsequent expressions. \ |
| You define them the same way you would define variables in C. If the first character of \ |
| your user defined variable is a $, then the variable's value will be available in future \ |
| expressions, otherwise it will just be available in the current expression." |
| R"( |
| |
| Continuing evaluation after a breakpoint: |
| |
| )" |
| " If the \"-i false\" option is used, and execution is interrupted by a breakpoint hit, once \ |
| you are done with your investigation, you can either remove the expression execution frames \ |
| from the stack with \"thread return -x\" or if you are still interested in the expression result \ |
| you can issue the \"continue\" command and the expression evaluation will complete and the \ |
| expression result will be available using the \"thread.completed-expression\" key in the thread \ |
| format." |
| |
| R"( |
| |
| Examples: |
| |
| expr my_struct->a = my_array[3] |
| expr -f bin -- (index * 8) + 5 |
| expr unsigned int $foo = 5 |
| expr char c[] = \"foo\"; c[0])"); |
| |
| CommandArgumentEntry arg; |
| CommandArgumentData expression_arg; |
| |
| // Define the first (and only) variant of this arg. |
| expression_arg.arg_type = eArgTypeExpression; |
| expression_arg.arg_repetition = eArgRepeatPlain; |
| |
| // There is only one variant this argument could be; put it into the argument |
| // entry. |
| arg.push_back(expression_arg); |
| |
| // Push the data for the first argument into the m_arguments vector. |
| m_arguments.push_back(arg); |
| |
| // Add the "--format" and "--gdb-format" |
| m_option_group.Append(&m_format_options, |
| OptionGroupFormat::OPTION_GROUP_FORMAT | |
| OptionGroupFormat::OPTION_GROUP_GDB_FMT, |
| LLDB_OPT_SET_1); |
| m_option_group.Append(&m_command_options); |
| m_option_group.Append(&m_varobj_options, LLDB_OPT_SET_ALL, |
| LLDB_OPT_SET_1 | LLDB_OPT_SET_2); |
| m_option_group.Append(&m_repl_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_3); |
| m_option_group.Finalize(); |
| } |
| |
| CommandObjectExpression::~CommandObjectExpression() = default; |
| |
| Options *CommandObjectExpression::GetOptions() { return &m_option_group; } |
| |
| static lldb_private::Status |
| CanBeUsedForElementCountPrinting(ValueObject &valobj) { |
| CompilerType type(valobj.GetCompilerType()); |
| CompilerType pointee; |
| if (!type.IsPointerType(&pointee)) |
| return Status("as it does not refer to a pointer"); |
| if (pointee.IsVoidType()) |
| return Status("as it refers to a pointer to void"); |
| return Status(); |
| } |
| |
| bool CommandObjectExpression::EvaluateExpression(llvm::StringRef expr, |
| Stream *output_stream, |
| Stream *error_stream, |
| CommandReturnObject *result) { |
| // Don't use m_exe_ctx as this might be called asynchronously after the |
| // command object DoExecute has finished when doing multi-line expression |
| // that use an input reader... |
| ExecutionContext exe_ctx(m_interpreter.GetExecutionContext()); |
| |
| Target *target = exe_ctx.GetTargetPtr(); |
| |
| if (!target) |
| target = GetDummyTarget(); |
| |
| if (target) { |
| lldb::ValueObjectSP result_valobj_sp; |
| bool keep_in_memory = true; |
| StackFrame *frame = exe_ctx.GetFramePtr(); |
| |
| EvaluateExpressionOptions options; |
| options.SetCoerceToId(m_varobj_options.use_objc); |
| options.SetUnwindOnError(m_command_options.unwind_on_error); |
| options.SetIgnoreBreakpoints(m_command_options.ignore_breakpoints); |
| options.SetKeepInMemory(keep_in_memory); |
| options.SetUseDynamic(m_varobj_options.use_dynamic); |
| options.SetTryAllThreads(m_command_options.try_all_threads); |
| options.SetDebug(m_command_options.debug); |
| options.SetLanguage(m_command_options.language); |
| options.SetExecutionPolicy( |
| m_command_options.allow_jit |
| ? EvaluateExpressionOptions::default_execution_policy |
| : lldb_private::eExecutionPolicyNever); |
| |
| bool auto_apply_fixits; |
| if (m_command_options.auto_apply_fixits == eLazyBoolCalculate) |
| auto_apply_fixits = target->GetEnableAutoApplyFixIts(); |
| else |
| auto_apply_fixits = |
| m_command_options.auto_apply_fixits == eLazyBoolYes ? true : false; |
| |
| options.SetAutoApplyFixIts(auto_apply_fixits); |
| |
| if (m_command_options.top_level) |
| options.SetExecutionPolicy(eExecutionPolicyTopLevel); |
| |
| // If there is any chance we are going to stop and want to see what went |
| // wrong with our expression, we should generate debug info |
| if (!m_command_options.ignore_breakpoints || |
| !m_command_options.unwind_on_error) |
| options.SetGenerateDebugInfo(true); |
| |
| if (m_command_options.timeout > 0) |
| options.SetTimeout(std::chrono::microseconds(m_command_options.timeout)); |
| else |
| options.SetTimeout(llvm::None); |
| |
| ExpressionResults success = target->EvaluateExpression( |
| expr, frame, result_valobj_sp, options, &m_fixed_expression); |
| |
| // We only tell you about the FixIt if we applied it. The compiler errors |
| // will suggest the FixIt if it parsed. |
| if (error_stream && !m_fixed_expression.empty() && |
| target->GetEnableNotifyAboutFixIts()) { |
| if (success == eExpressionCompleted) |
| error_stream->Printf( |
| " Fix-it applied, fixed expression was: \n %s\n", |
| m_fixed_expression.c_str()); |
| } |
| |
| if (result_valobj_sp) { |
| Format format = m_format_options.GetFormat(); |
| |
| if (result_valobj_sp->GetError().Success()) { |
| if (format != eFormatVoid) { |
| if (format != eFormatDefault) |
| result_valobj_sp->SetFormat(format); |
| |
| if (m_varobj_options.elem_count > 0) { |
| Status error(CanBeUsedForElementCountPrinting(*result_valobj_sp)); |
| if (error.Fail()) { |
| result->AppendErrorWithFormat( |
| "expression cannot be used with --element-count %s\n", |
| error.AsCString("")); |
| result->SetStatus(eReturnStatusFailed); |
| return false; |
| } |
| } |
| |
| DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions( |
| m_command_options.m_verbosity, format)); |
| options.SetVariableFormatDisplayLanguage( |
| result_valobj_sp->GetPreferredDisplayLanguage()); |
| |
| result_valobj_sp->Dump(*output_stream, options); |
| |
| if (result) |
| result->SetStatus(eReturnStatusSuccessFinishResult); |
| } |
| } else { |
| if (result_valobj_sp->GetError().GetError() == |
| UserExpression::kNoResult) { |
| if (format != eFormatVoid && |
| m_interpreter.GetDebugger().GetNotifyVoid()) { |
| error_stream->PutCString("(void)\n"); |
| } |
| |
| if (result) |
| result->SetStatus(eReturnStatusSuccessFinishResult); |
| } else { |
| const char *error_cstr = result_valobj_sp->GetError().AsCString(); |
| if (error_cstr && error_cstr[0]) { |
| const size_t error_cstr_len = strlen(error_cstr); |
| const bool ends_with_newline = |
| error_cstr[error_cstr_len - 1] == '\n'; |
| if (strstr(error_cstr, "error:") != error_cstr) |
| error_stream->PutCString("error: "); |
| error_stream->Write(error_cstr, error_cstr_len); |
| if (!ends_with_newline) |
| error_stream->EOL(); |
| } else { |
| error_stream->PutCString("error: unknown error\n"); |
| } |
| |
| if (result) |
| result->SetStatus(eReturnStatusFailed); |
| } |
| } |
| } |
| } else { |
| error_stream->Printf("error: invalid execution context for expression\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void CommandObjectExpression::IOHandlerInputComplete(IOHandler &io_handler, |
| std::string &line) { |
| io_handler.SetIsDone(true); |
| // StreamSP output_stream = |
| // io_handler.GetDebugger().GetAsyncOutputStream(); |
| // StreamSP error_stream = io_handler.GetDebugger().GetAsyncErrorStream(); |
| StreamFileSP output_sp(io_handler.GetOutputStreamFile()); |
| StreamFileSP error_sp(io_handler.GetErrorStreamFile()); |
| |
| EvaluateExpression(line.c_str(), output_sp.get(), error_sp.get()); |
| if (output_sp) |
| output_sp->Flush(); |
| if (error_sp) |
| error_sp->Flush(); |
| } |
| |
| bool CommandObjectExpression::IOHandlerIsInputComplete(IOHandler &io_handler, |
| StringList &lines) { |
| // An empty lines is used to indicate the end of input |
| const size_t num_lines = lines.GetSize(); |
| if (num_lines > 0 && lines[num_lines - 1].empty()) { |
| // Remove the last empty line from "lines" so it doesn't appear in our |
| // resulting input and return true to indicate we are done getting lines |
| lines.PopBack(); |
| return true; |
| } |
| return false; |
| } |
| |
| void CommandObjectExpression::GetMultilineExpression() { |
| m_expr_lines.clear(); |
| m_expr_line_count = 0; |
| |
| Debugger &debugger = GetCommandInterpreter().GetDebugger(); |
| bool color_prompt = debugger.GetUseColor(); |
| const bool multiple_lines = true; // Get multiple lines |
| IOHandlerSP io_handler_sp( |
| new IOHandlerEditline(debugger, IOHandler::Type::Expression, |
| "lldb-expr", // Name of input reader for history |
| llvm::StringRef(), // No prompt |
| llvm::StringRef(), // Continuation prompt |
| multiple_lines, color_prompt, |
| 1, // Show line numbers starting at 1 |
| *this)); |
| |
| StreamFileSP output_sp(io_handler_sp->GetOutputStreamFile()); |
| if (output_sp) { |
| output_sp->PutCString( |
| "Enter expressions, then terminate with an empty line to evaluate:\n"); |
| output_sp->Flush(); |
| } |
| debugger.PushIOHandler(io_handler_sp); |
| } |
| |
| bool CommandObjectExpression::DoExecute(llvm::StringRef command, |
| CommandReturnObject &result) { |
| m_fixed_expression.clear(); |
| auto exe_ctx = GetCommandInterpreter().GetExecutionContext(); |
| m_option_group.NotifyOptionParsingStarting(&exe_ctx); |
| |
| if (command.empty()) { |
| GetMultilineExpression(); |
| return result.Succeeded(); |
| } |
| |
| OptionsWithRaw args(command); |
| llvm::StringRef expr = args.GetRawPart(); |
| |
| if (args.HasArgs()) { |
| if (!ParseOptionsAndNotify(args.GetArgs(), result, m_option_group, exe_ctx)) |
| return false; |
| |
| if (m_repl_option.GetOptionValue().GetCurrentValue()) { |
| Target *target = m_interpreter.GetExecutionContext().GetTargetPtr(); |
| if (target) { |
| // Drop into REPL |
| m_expr_lines.clear(); |
| m_expr_line_count = 0; |
| |
| Debugger &debugger = target->GetDebugger(); |
| |
| // Check if the LLDB command interpreter is sitting on top of a REPL |
| // that launched it... |
| if (debugger.CheckTopIOHandlerTypes(IOHandler::Type::CommandInterpreter, |
| IOHandler::Type::REPL)) { |
| // the LLDB command interpreter is sitting on top of a REPL that |
| // launched it, so just say the command interpreter is done and |
| // fall back to the existing REPL |
| m_interpreter.GetIOHandler(false)->SetIsDone(true); |
| } else { |
| // We are launching the REPL on top of the current LLDB command |
| // interpreter, so just push one |
| bool initialize = false; |
| Status repl_error; |
| REPLSP repl_sp(target->GetREPL(repl_error, m_command_options.language, |
| nullptr, false)); |
| |
| if (!repl_sp) { |
| initialize = true; |
| repl_sp = target->GetREPL(repl_error, m_command_options.language, |
| nullptr, true); |
| if (!repl_error.Success()) { |
| result.SetError(repl_error); |
| return result.Succeeded(); |
| } |
| } |
| |
| if (repl_sp) { |
| if (initialize) { |
| repl_sp->SetCommandOptions(m_command_options); |
| repl_sp->SetFormatOptions(m_format_options); |
| repl_sp->SetValueObjectDisplayOptions(m_varobj_options); |
| } |
| |
| IOHandlerSP io_handler_sp(repl_sp->GetIOHandler()); |
| |
| io_handler_sp->SetIsDone(false); |
| |
| debugger.PushIOHandler(io_handler_sp); |
| } else { |
| repl_error.SetErrorStringWithFormat( |
| "Couldn't create a REPL for %s", |
| Language::GetNameForLanguageType(m_command_options.language)); |
| result.SetError(repl_error); |
| return result.Succeeded(); |
| } |
| } |
| } |
| } |
| // No expression following options |
| else if (expr.empty()) { |
| GetMultilineExpression(); |
| return result.Succeeded(); |
| } |
| } |
| |
| Target *target = GetSelectedOrDummyTarget(); |
| if (EvaluateExpression(expr, &(result.GetOutputStream()), |
| &(result.GetErrorStream()), &result)) { |
| |
| if (!m_fixed_expression.empty() && target->GetEnableNotifyAboutFixIts()) { |
| CommandHistory &history = m_interpreter.GetCommandHistory(); |
| // FIXME: Can we figure out what the user actually typed (e.g. some alias |
| // for expr???) |
| // If we can it would be nice to show that. |
| std::string fixed_command("expression "); |
| if (args.HasArgs()) { |
| // Add in any options that might have been in the original command: |
| fixed_command.append(args.GetArgStringWithDelimiter()); |
| fixed_command.append(m_fixed_expression); |
| } else |
| fixed_command.append(m_fixed_expression); |
| history.AppendString(fixed_command); |
| } |
| // Increment statistics to record this expression evaluation success. |
| target->IncrementStats(StatisticKind::ExpressionSuccessful); |
| return true; |
| } |
| |
| // Increment statistics to record this expression evaluation failure. |
| target->IncrementStats(StatisticKind::ExpressionFailure); |
| result.SetStatus(eReturnStatusFailed); |
| return false; |
| } |
