C++ CommandReturnObject::GetStatus方法代码示例

static bool ProcessAliasOptionsArgs(lldb::CommandObjectSP &cmd_obj_sp,
                                    const char *options_args,
                                    OptionArgVectorSP &option_arg_vector_sp) {
  bool success = true;
  OptionArgVector *option_arg_vector = option_arg_vector_sp.get();

  if (!options_args || (strlen(options_args) < 1))
    return true;

  std::string options_string(options_args);
  Args args(options_args);
  CommandReturnObject result;
  // Check to see if the command being aliased can take any command options.
  Options *options = cmd_obj_sp->GetOptions();
  if (options) {
    // See if any options were specified as part of the alias;  if so, handle
    // them appropriately.
    ExecutionContext exe_ctx =
        cmd_obj_sp->GetCommandInterpreter().GetExecutionContext();
    options->NotifyOptionParsingStarting(&exe_ctx);
    args.Unshift("dummy_arg");
    args.ParseAliasOptions(*options, result, option_arg_vector, options_string);
    args.Shift();
    if (result.Succeeded())
      options->VerifyPartialOptions(result);
    if (!result.Succeeded() &&
        result.GetStatus() != lldb::eReturnStatusStarted) {
      result.AppendError("Unable to create requested alias.\n");
      return false;
    }
  }

  if (!options_string.empty()) {
    if (cmd_obj_sp->WantsRawCommandString())
      option_arg_vector->push_back(
          OptionArgPair("<argument>", OptionArgValue(-1, options_string)));
    else {
      const size_t argc = args.GetArgumentCount();
      for (size_t i = 0; i < argc; ++i)
        if (strcmp(args.GetArgumentAtIndex(i), "") != 0)
          option_arg_vector->push_back(OptionArgPair(
              "<argument>",
              OptionArgValue(-1, std::string(args.GetArgumentAtIndex(i)))));
    }
  }

  return success;
}

void REPL::IOHandlerInputComplete(IOHandler &io_handler, std::string &code) {
  lldb::StreamFileSP output_sp(io_handler.GetOutputStreamFile());
  lldb::StreamFileSP error_sp(io_handler.GetErrorStreamFile());
  bool extra_line = false;
  bool did_quit = false;

  if (code.empty()) {
    m_code.AppendString("");
    static_cast<IOHandlerEditline &>(io_handler)
        .SetBaseLineNumber(m_code.GetSize() + 1);
  } else {
    Debugger &debugger = m_target.GetDebugger();
    CommandInterpreter &ci = debugger.GetCommandInterpreter();
    extra_line = ci.GetSpaceReplPrompts();

    ExecutionContext exe_ctx(m_target.GetProcessSP()
                                 ->GetThreadList()
                                 .GetSelectedThread()
                                 ->GetSelectedFrame()
                                 .get());

    lldb::ProcessSP process_sp(exe_ctx.GetProcessSP());

    if (code[0] == ':') {
      // Meta command
      // Strip the ':'
      code.erase(0, 1);
      if (Args::StripSpaces(code)) {
        // "lldb" was followed by arguments, so just execute the command dump
        // the results

        // Turn off prompt on quit in case the user types ":quit"
        const bool saved_prompt_on_quit = ci.GetPromptOnQuit();
        if (saved_prompt_on_quit)
          ci.SetPromptOnQuit(false);

        // Execute the command
        CommandReturnObject result;
        result.SetImmediateOutputStream(output_sp);
        result.SetImmediateErrorStream(error_sp);
        ci.HandleCommand(code.c_str(), eLazyBoolNo, result);

        if (saved_prompt_on_quit)
          ci.SetPromptOnQuit(true);

        if (result.GetStatus() == lldb::eReturnStatusQuit) {
          did_quit = true;
          io_handler.SetIsDone(true);
          if (debugger.CheckTopIOHandlerTypes(
                  IOHandler::Type::REPL, IOHandler::Type::CommandInterpreter)) {
            // We typed "quit" or an alias to quit so we need to check if the
            // command interpreter is above us and tell it that it is done as
            // well
            // so we don't drop back into the command interpreter if we have
            // already
            // quit
            lldb::IOHandlerSP io_handler_sp(ci.GetIOHandler());
            if (io_handler_sp)
              io_handler_sp->SetIsDone(true);
          }
        }
      } else {
        // ":" was followed by no arguments, so push the LLDB command prompt
        if (debugger.CheckTopIOHandlerTypes(
                IOHandler::Type::REPL, IOHandler::Type::CommandInterpreter)) {
          // If the user wants to get back to the command interpreter and the
          // command interpreter is what launched the REPL, then just let the
          // REPL exit and fall back to the command interpreter.
          io_handler.SetIsDone(true);
        } else {
          // The REPL wasn't launched the by the command interpreter, it is the
          // base IOHandler, so we need to get the command interpreter and
          lldb::IOHandlerSP io_handler_sp(ci.GetIOHandler());
          if (io_handler_sp) {
            io_handler_sp->SetIsDone(false);
            debugger.PushIOHandler(ci.GetIOHandler());
          }
        }
      }
    } else {
      // Unwind any expression we might have been running in case our REPL
      // expression crashed and the user was looking around
      if (m_dedicated_repl_mode) {
        Thread *thread = exe_ctx.GetThreadPtr();
        if (thread && thread->UnwindInnermostExpression().Success()) {
          thread->SetSelectedFrameByIndex(0, false);
          exe_ctx.SetFrameSP(thread->GetSelectedFrame());
        }
      }

      const bool colorize_err = error_sp->GetFile().GetIsTerminalWithColors();

      EvaluateExpressionOptions expr_options;
      expr_options.SetCoerceToId(m_varobj_options.use_objc);
      expr_options.SetUnwindOnError(m_command_options.unwind_on_error);
      expr_options.SetIgnoreBreakpoints(m_command_options.ignore_breakpoints);
      expr_options.SetKeepInMemory(true);
      expr_options.SetUseDynamic(m_varobj_options.use_dynamic);
      expr_options.SetTryAllThreads(m_command_options.try_all_threads);
      expr_options.SetGenerateDebugInfo(true);
//.........这里部分代码省略.........