C++ SBError::Fail方法代码示例

int
main (int argc, char const *argv[], const char *envp[])
{
    SBDebugger::Initialize();
    
    SBHostOS::ThreadCreated ("<lldb.driver.main-thread>");

    signal (SIGPIPE, SIG_IGN);
    signal (SIGWINCH, sigwinch_handler);
    signal (SIGINT, sigint_handler);
    signal (SIGTSTP, sigtstp_handler);
    signal (SIGCONT, sigcont_handler);

    // Create a scope for driver so that the driver object will destroy itself
    // before SBDebugger::Terminate() is called.
    {
        Driver driver;

        bool exiting = false;
        SBError error (driver.ParseArgs (argc, argv, stdout, exiting));
        if (error.Fail())
        {
            const char *error_cstr = error.GetCString ();
            if (error_cstr)
                ::fprintf (stderr, "error: %s\n", error_cstr);
        }
        else if (!exiting)
        {
            driver.MainLoop ();
        }
    }

    SBDebugger::Terminate();
    return 0;
}

//.........这里部分代码省略.........
    }
    else if (!m_option_data.m_process_name.empty())
    {
        commands_stream.Printf ("process attach --name %s", EscapeString(m_option_data.m_process_name).c_str());
        
        if (m_option_data.m_wait_for)
            commands_stream.Printf(" --waitfor");

        commands_stream.Printf("\n");

    }
    else if (LLDB_INVALID_PROCESS_ID != m_option_data.m_process_pid)
    {
        commands_stream.Printf ("process attach --pid %" PRIu64 "\n", m_option_data.m_process_pid);
    }

    WriteCommandsForSourcing(eCommandPlacementAfterFile, commands_stream);
    
    if (GetDebugMode())
    {
        result.PutError(m_debugger.GetErrorFileHandle());
        result.PutOutput(m_debugger.GetOutputFileHandle());
    }
    
    bool handle_events = true;
    bool spawn_thread = false;

    if (m_option_data.m_repl)
    {
        const char *repl_options = NULL;
        if (!m_option_data.m_repl_options.empty())
            repl_options = m_option_data.m_repl_options.c_str();
        SBError error (m_debugger.RunREPL(m_option_data.m_repl_lang, repl_options));
        if (error.Fail())
        {
            const char *error_cstr = error.GetCString();
            if (error_cstr && error_cstr[0])
                fprintf (stderr, "error: %s\n", error_cstr);
            else
                fprintf (stderr, "error: %u\n", error.GetError());
        }
    }
    else
    {
        // Check if we have any data in the commands stream, and if so, save it to a temp file
        // so we can then run the command interpreter using the file contents.
        const char *commands_data = commands_stream.GetData();
        const size_t commands_size = commands_stream.GetSize();

        // The command file might have requested that we quit, this variable will track that.
        bool quit_requested = false;
        bool stopped_for_crash = false;
        if (commands_data && commands_size)
        {
            int initial_commands_fds[2];
            bool success = true;
            FILE *commands_file = PrepareCommandsForSourcing (commands_data, commands_size, initial_commands_fds);
            if (commands_file)
            {
                m_debugger.SetInputFileHandle (commands_file, true);

                // Set the debugger into Sync mode when running the command file.  Otherwise command files
                // that run the target won't run in a sensible way.
                bool old_async = m_debugger.GetAsync();
                m_debugger.SetAsync(false);
                int num_errors;