C++ Error类代码示例

lldb::ValueObjectSP
lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::GetChildAtIndex (size_t idx)
{
    lldb::addr_t m_keys_ptr = (m_data_32 ? m_data_32->_keys_addr : m_data_64->_keys_addr);
    lldb::addr_t m_values_ptr = (m_data_32 ? m_data_32->_objs_addr : m_data_64->_objs_addr);
    
    uint32_t num_children = CalculateNumChildren();
    
    if (idx >= num_children)
        return lldb::ValueObjectSP();
    
    if (m_children.empty())
    {
        // do the scan phase
        lldb::addr_t key_at_idx = 0, val_at_idx = 0;
        
        uint32_t tries = 0;
        uint32_t test_idx = 0;
        
        while(tries < num_children)
        {
            key_at_idx = m_keys_ptr + (test_idx * m_ptr_size);
            val_at_idx = m_values_ptr + (test_idx * m_ptr_size);;
            ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
            if (!process_sp)
                return lldb::ValueObjectSP();
            Error error;
            key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error);
            if (error.Fail())
                return lldb::ValueObjectSP();
            val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error);
            if (error.Fail())
                return lldb::ValueObjectSP();
            
            test_idx++;
            
            if (!key_at_idx || !val_at_idx)
                continue;
            tries++;
            
            DictionaryItemDescriptor descriptor = {key_at_idx,val_at_idx,lldb::ValueObjectSP()};
            
            m_children.push_back(descriptor);
        }
    }
    
    if (idx >= m_children.size()) // should never happen
        return lldb::ValueObjectSP();
    
    DictionaryItemDescriptor &dict_item = m_children[idx];
    if (!dict_item.valobj_sp)
    {
        if (!m_pair_type.IsValid())
        {
            TargetSP target_sp(m_backend.GetTargetSP());
            if (!target_sp)
                return ValueObjectSP();
            m_pair_type = GetLLDBNSPairType(target_sp);
        }
        if (!m_pair_type.IsValid())
            return ValueObjectSP();
        
        DataBufferSP buffer_sp(new DataBufferHeap(2*m_ptr_size,0));
        
        if (m_ptr_size == 8)
        {
            uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes();
            *data_ptr = dict_item.key_ptr;
            *(data_ptr+1) = dict_item.val_ptr;
        }
        else
        {
            uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes();
            *data_ptr = dict_item.key_ptr;
            *(data_ptr+1) = dict_item.val_ptr;
        }
        
        StreamString idx_name;
        idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
        DataExtractor data(buffer_sp, m_order, m_ptr_size);
        dict_item.valobj_sp = ValueObject::CreateValueObjectFromData(idx_name.GetData(), data, m_exe_ctx_ref, m_pair_type);
    }
    return dict_item.valobj_sp;
}

Error::Error( const Error &src )
    : runtime_error( src.what() )
{
    ++src.data->usageCount;
    data = src.data;
}

void CFlyCap2MFCDoc::OnFileSaveAs()
{
    Error   error;
    CString csMessage;
    JPEGOption JPEG_Save_Option;
    PNGOption  PNG_Save_Option;

    m_beingSaved = true;

    // Define the list of filters to include in the SaveAs dialog.
    const unsigned int uiNumFilters = 8;
    const CString arcsFilter[uiNumFilters] = {
        "Windows Bitmap (*.bmp)|*.bmp" , 
        "Portable Pixelmap (*.ppm)|*.ppm" , 
        "Portable Greymap (raw image) (*.pgm)|*.pgm" , 
        "Independent JPEG Group (*.jpg, *.jpeg)|*.jpg; *.jpeg" , 
        "Tagged Image File Format (*.tiff)|*.tiff" , 
        "Portable Network Graphics (*.png)|*.png" , 
        "Raw data (*.raw)|*.raw" , 
        "All Files (*.*)|*.*" };

    CString csFilters;

    // Keep track of which filter should be selected as default.
    // m_uiFilterIndex is set to what was previously used (0 if this is first time).
    for ( int i = 0; i < (uiNumFilters - 1); i++ )
    {
        csFilters += arcsFilter[(m_uiFilterIndex + i) % (uiNumFilters - 1)];
        csFilters += "|";      
    }
    // Always finish with All Files and a ||.
    csFilters += arcsFilter[uiNumFilters - 1];
    csFilters += "||"; 

    time_t rawtime;
    struct tm * timeinfo;
    time( &rawtime );
    timeinfo = localtime( &rawtime );

    char timestamp[64];
    strftime( timestamp, 64, "%Y-%m-%d-%H%M%S", timeinfo );

    char tempFilename[128];
    sprintf( tempFilename, "%u-%s", m_cameraInfo.serialNumber, timestamp );

    CFileDialog fileDialog( 
        FALSE, 
        "bmp", 
        tempFilename, 
        OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT, 
        csFilters,
        AfxGetMainWnd() );

    if( fileDialog.DoModal() == IDOK )
    {
        CString csExt = fileDialog.GetFileExt();

        // Save the filter index for the next time
        if( csExt.CompareNoCase("bmp") == 0 )
        {
            m_uiFilterIndex = 0;
        }
        else if( csExt.CompareNoCase("ppm") == 0 )
        {
            m_uiFilterIndex = 1;
        }
        else if( csExt.CompareNoCase("pgm") == 0 )
        {
            m_uiFilterIndex = 2;
        }
        else if( csExt.CompareNoCase("jpeg") == 0 || csExt.CompareNoCase("jpg") == 0 )
        {
            m_uiFilterIndex = 3;
            JPEG_Save_Option.progressive = false;
            JPEG_Save_Option.quality = 100; //Superb quality.
        }
        else if( csExt.CompareNoCase("tiff") == 0 )
        {
            m_uiFilterIndex = 4;
        }
        else if( csExt.CompareNoCase("png") == 0 )
        {
            m_uiFilterIndex = 5;
            PNG_Save_Option.interlaced = false;
            PNG_Save_Option.compressionLevel = 9; //Best compression
        }
        else if( csExt.CompareNoCase("raw") == 0 )
        {
            m_uiFilterIndex = 6;
        }
        else
        {
            AfxMessageBox( "Invalid file type" );
        }

        switch ( m_uiFilterIndex )
        {
        case 0:
        case 1:
        case 2:
//.........这里部分代码省略.........

void
LogError(const char *msg, const Error &error)
{
  LogFormat("%s: %s", msg, error.GetMessage());
}

size_t
MemoryCache::Read (addr_t addr,  
                   void *dst, 
                   size_t dst_len,
                   Error &error)
{
    size_t bytes_left = dst_len;

    // If this memory read request is larger than the cache line size, then 
    // we (1) try to read as much of it at once as possible, and (2) don't
    // add the data to the memory cache.  We don't want to split a big read
    // up into more separate reads than necessary, and with a large memory read
    // request, it is unlikely that the caller function will ask for the next
    // 4 bytes after the large memory read - so there's little benefit to saving
    // it in the cache.
    if (dst && dst_len > m_cache_line_byte_size)
    {
        return m_process.ReadMemoryFromInferior (addr, dst, dst_len, error);
    }

    if (dst && bytes_left > 0)
    {
        const uint32_t cache_line_byte_size = m_cache_line_byte_size;
        uint8_t *dst_buf = (uint8_t *)dst;
        addr_t curr_addr = addr - (addr % cache_line_byte_size);
        addr_t cache_offset = addr - curr_addr;
        Mutex::Locker locker (m_mutex);
        
        while (bytes_left > 0)
        {
            if (m_invalid_ranges.FindEntryThatContains(curr_addr))
            {
                error.SetErrorStringWithFormat("memory read failed for 0x%" PRIx64, curr_addr);
                return dst_len - bytes_left;
            }

            BlockMap::const_iterator pos = m_cache.find (curr_addr);
            BlockMap::const_iterator end = m_cache.end ();
            
            if (pos != end)
            {
                size_t curr_read_size = cache_line_byte_size - cache_offset;
                if (curr_read_size > bytes_left)
                    curr_read_size = bytes_left;
                
                memcpy (dst_buf + dst_len - bytes_left, pos->second->GetBytes() + cache_offset, curr_read_size);
                
                bytes_left -= curr_read_size;
                curr_addr += curr_read_size + cache_offset;
                cache_offset = 0;
                
                if (bytes_left > 0)
                {
                    // Get sequential cache page hits
                    for (++pos; (pos != end) && (bytes_left > 0); ++pos)
                    {
                        assert ((curr_addr % cache_line_byte_size) == 0);
                        
                        if (pos->first != curr_addr)
                            break;
                        
                        curr_read_size = pos->second->GetByteSize();
                        if (curr_read_size > bytes_left)
                            curr_read_size = bytes_left;
                        
                        memcpy (dst_buf + dst_len - bytes_left, pos->second->GetBytes(), curr_read_size);
                        
                        bytes_left -= curr_read_size;
                        curr_addr += curr_read_size;
                        
                        // We have a cache page that succeeded to read some bytes
                        // but not an entire page. If this happens, we must cap
                        // off how much data we are able to read...
                        if (pos->second->GetByteSize() != cache_line_byte_size)
                            return dst_len - bytes_left;
                    }
                }
            }
            
            // We need to read from the process
            
            if (bytes_left > 0)
            {
                assert ((curr_addr % cache_line_byte_size) == 0);
                std::unique_ptr<DataBufferHeap> data_buffer_heap_ap(new DataBufferHeap (cache_line_byte_size, 0));
                size_t process_bytes_read = m_process.ReadMemoryFromInferior (curr_addr, 
                                                                              data_buffer_heap_ap->GetBytes(), 
                                                                              data_buffer_heap_ap->GetByteSize(), 
                                                                              error);
                if (process_bytes_read == 0)
                    return dst_len - bytes_left;
                
                if (process_bytes_read != cache_line_byte_size)
                    data_buffer_heap_ap->SetByteSize (process_bytes_read);
                m_cache[curr_addr] = DataBufferSP (data_buffer_heap_ap.release());
                // We have read data and put it into the cache, continue through the
                // loop again to get the data out of the cache...
            }
        }
    }
//.........这里部分代码省略.........

Error Host::RunShellCommand(const Args &args, const FileSpec &working_dir,
                            int *status_ptr, int *signo_ptr,
                            std::string *command_output_ptr,
                            uint32_t timeout_sec, bool run_in_default_shell) {
  Error error;
  ProcessLaunchInfo launch_info;
  launch_info.SetArchitecture(HostInfo::GetArchitecture());
  if (run_in_default_shell) {
    // Run the command in a shell
    launch_info.SetShell(HostInfo::GetDefaultShell());
    launch_info.GetArguments().AppendArguments(args);
    const bool localhost = true;
    const bool will_debug = false;
    const bool first_arg_is_full_shell_command = false;
    launch_info.ConvertArgumentsForLaunchingInShell(
        error, localhost, will_debug, first_arg_is_full_shell_command, 0);
  } else {
    // No shell, just run it
    const bool first_arg_is_executable = true;
    launch_info.SetArguments(args, first_arg_is_executable);
  }

  if (working_dir)
    launch_info.SetWorkingDirectory(working_dir);
  llvm::SmallString<PATH_MAX> output_file_path;

  if (command_output_ptr) {
    // Create a temporary file to get the stdout/stderr and redirect the
    // output of the command into this file. We will later read this file
    // if all goes well and fill the data into "command_output_ptr"
    FileSpec tmpdir_file_spec;
    if (HostInfo::GetLLDBPath(ePathTypeLLDBTempSystemDir, tmpdir_file_spec)) {
      tmpdir_file_spec.AppendPathComponent("lldb-shell-output.%%%%%%");
      llvm::sys::fs::createUniqueFile(tmpdir_file_spec.GetPath().c_str(),
                                      output_file_path);
    } else {
      llvm::sys::fs::createTemporaryFile("lldb-shell-output.%%%%%%", "",
                                         output_file_path);
    }
  }

  FileSpec output_file_spec{output_file_path.c_str(), false};

  launch_info.AppendSuppressFileAction(STDIN_FILENO, true, false);
  if (output_file_spec) {
    launch_info.AppendOpenFileAction(STDOUT_FILENO, output_file_spec, false,
                                     true);
    launch_info.AppendDuplicateFileAction(STDOUT_FILENO, STDERR_FILENO);
  } else {
    launch_info.AppendSuppressFileAction(STDOUT_FILENO, false, true);
    launch_info.AppendSuppressFileAction(STDERR_FILENO, false, true);
  }

  std::shared_ptr<ShellInfo> shell_info_sp(new ShellInfo());
  const bool monitor_signals = false;
  launch_info.SetMonitorProcessCallback(
      std::bind(MonitorShellCommand, shell_info_sp, std::placeholders::_1,
                std::placeholders::_2, std::placeholders::_3,
                std::placeholders::_4),
      monitor_signals);

  error = LaunchProcess(launch_info);
  const lldb::pid_t pid = launch_info.GetProcessID();

  if (error.Success() && pid == LLDB_INVALID_PROCESS_ID)
    error.SetErrorString("failed to get process ID");

  if (error.Success()) {
    bool timed_out = false;
    shell_info_sp->process_reaped.WaitForValueEqualTo(
        true, std::chrono::seconds(timeout_sec), &timed_out);
    if (timed_out) {
      error.SetErrorString("timed out waiting for shell command to complete");

      // Kill the process since it didn't complete within the timeout specified
      Kill(pid, SIGKILL);
      // Wait for the monitor callback to get the message
      timed_out = false;
      shell_info_sp->process_reaped.WaitForValueEqualTo(
          true, std::chrono::seconds(1), &timed_out);
    } else {
      if (status_ptr)
        *status_ptr = shell_info_sp->status;

      if (signo_ptr)
        *signo_ptr = shell_info_sp->signo;

      if (command_output_ptr) {
        command_output_ptr->clear();
        uint64_t file_size = output_file_spec.GetByteSize();
        if (file_size > 0) {
          if (file_size > command_output_ptr->max_size()) {
            error.SetErrorStringWithFormat(
                "shell command output is too large to fit into a std::string");
          } else {
            std::vector<char> command_output(file_size);
            output_file_spec.ReadFileContents(0, command_output.data(),
                                              file_size, &error);
            if (error.Success())
              command_output_ptr->assign(command_output.data(), file_size);
//.........这里部分代码省略.........

bool Host::AddPosixSpawnFileAction(void *_file_actions, const FileAction *info,
                                   Log *log, Error &error) {
  if (info == NULL)
    return false;

  posix_spawn_file_actions_t *file_actions =
      reinterpret_cast<posix_spawn_file_actions_t *>(_file_actions);

  switch (info->GetAction()) {
  case FileAction::eFileActionNone:
    error.Clear();
    break;

  case FileAction::eFileActionClose:
    if (info->GetFD() == -1)
      error.SetErrorString(
          "invalid fd for posix_spawn_file_actions_addclose(...)");
    else {
      error.SetError(
          ::posix_spawn_file_actions_addclose(file_actions, info->GetFD()),
          eErrorTypePOSIX);
      if (log && (error.Fail() || log))
        error.PutToLog(log,
                       "posix_spawn_file_actions_addclose (action=%p, fd=%i)",
                       static_cast<void *>(file_actions), info->GetFD());
    }
    break;

  case FileAction::eFileActionDuplicate:
    if (info->GetFD() == -1)
      error.SetErrorString(
          "invalid fd for posix_spawn_file_actions_adddup2(...)");
    else if (info->GetActionArgument() == -1)
      error.SetErrorString(
          "invalid duplicate fd for posix_spawn_file_actions_adddup2(...)");
    else {
      error.SetError(
          ::posix_spawn_file_actions_adddup2(file_actions, info->GetFD(),
                                             info->GetActionArgument()),
          eErrorTypePOSIX);
      if (log && (error.Fail() || log))
        error.PutToLog(
            log,
            "posix_spawn_file_actions_adddup2 (action=%p, fd=%i, dup_fd=%i)",
            static_cast<void *>(file_actions), info->GetFD(),
            info->GetActionArgument());
    }
    break;

  case FileAction::eFileActionOpen:
    if (info->GetFD() == -1)
      error.SetErrorString(
          "invalid fd in posix_spawn_file_actions_addopen(...)");
    else {
      int oflag = info->GetActionArgument();

      mode_t mode = 0;

      if (oflag & O_CREAT)
        mode = 0640;

      error.SetError(::posix_spawn_file_actions_addopen(
                         file_actions, info->GetFD(),
                         info->GetPath().str().c_str(), oflag, mode),
                     eErrorTypePOSIX);
      if (error.Fail() || log)
        error.PutToLog(log, "posix_spawn_file_actions_addopen (action=%p, "
                            "fd=%i, path='%s', oflag=%i, mode=%i)",
                       static_cast<void *>(file_actions), info->GetFD(),
                       info->GetPath().str().c_str(), oflag, mode);
    }
    break;
  }
  return error.Success();
}

bool
lldb_private::formatters::CFBagSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
    static ConstString g_TypeHint("CFBag");
    
    ProcessSP process_sp = valobj.GetProcessSP();
    if (!process_sp)
        return false;
    
    ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
    
    if (!runtime)
        return false;
    
    ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
    
    if (!descriptor.get() || !descriptor->IsValid())
        return false;
    
    uint32_t ptr_size = process_sp->GetAddressByteSize();
    
    lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
    
    if (!valobj_addr)
        return false;
    
    uint32_t count = 0;
    
    bool is_type_ok = false; // check to see if this is a CFBag we know about
    if (descriptor->IsCFType())
    {
        ConstString type_name(valobj.GetTypeName());
        if (type_name == ConstString("__CFBag") || type_name == ConstString("const struct __CFBag"))
        {
            if (valobj.IsPointerType())
                is_type_ok = true;
        }
    }
    
    if (is_type_ok == false)
    {
        StackFrameSP frame_sp(valobj.GetFrameSP());
        if (!frame_sp)
            return false;
        ValueObjectSP count_sp;
        StreamString expr;
        expr.Printf("(int)CFBagGetCount((void*)0x%" PRIx64 ")",valobj.GetPointerValue());
        EvaluateExpressionOptions options;
        options.SetResultIsInternal(true);
        if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp, options) != eExpressionCompleted)
            return false;
        if (!count_sp)
            return false;
        count = count_sp->GetValueAsUnsigned(0);
    }
    else
    {
        uint32_t offset = 2*ptr_size+4 + valobj_addr;
        Error error;
        count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
        if (error.Fail())
            return false;
    }
    
    std::string prefix,suffix;
    if (Language* language = Language::FindPlugin(options.GetLanguage()))
    {
        if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix, suffix))
        {
            prefix.clear();
            suffix.clear();
        }
    }
    
    stream.Printf("%s\"%u value%s\"%s",
                  prefix.c_str(),
                  count,(count == 1 ? "" : "s"),
                  suffix.c_str());
    return true;
}

Error
NativeRegisterContextLinux_s390x::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &reg_value)
{
    if (!reg_info)
        return Error("reg_info NULL");

    const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB];
    if (reg == LLDB_INVALID_REGNUM)
        return Error("register \"%s\" is an internal-only lldb register, cannot write directly", reg_info->name);

    if (IsGPR(reg))
    {
        s390_regs regs;
        Error error = DoReadGPR(&regs, sizeof(regs));
        if (error.Fail())
            return error;

        uint8_t *dst = (uint8_t *)&regs + reg_info->byte_offset;
        assert(reg_info->byte_offset + reg_info->byte_size <= sizeof(regs));
        switch (reg_info->byte_size)
        {
            case 4:
                *(uint32_t *)dst = reg_value.GetAsUInt32();
                break;
            case 8:
                *(uint64_t *)dst = reg_value.GetAsUInt64();
                break;
            default:
                assert(false && "Unhandled data size.");
                return Error("unhandled byte size: %" PRIu32, reg_info->byte_size);
        }
        return DoWriteGPR(&regs, sizeof(regs));
    }

    if (IsFPR(reg))
    {
        s390_fp_regs fp_regs;
        Error error = DoReadFPR(&fp_regs, sizeof(fp_regs));
        if (error.Fail())
            return error;

        // byte_offset is just the offset within fp_regs, not the whole user area.
        uint8_t *dst = (uint8_t *)&fp_regs + reg_info->byte_offset;
        assert(reg_info->byte_offset + reg_info->byte_size <= sizeof(fp_regs));
        switch (reg_info->byte_size)
        {
            case 4:
                *(uint32_t *)dst = reg_value.GetAsUInt32();
                break;
            case 8:
                *(uint64_t *)dst = reg_value.GetAsUInt64();
                break;
            default:
                assert(false && "Unhandled data size.");
                return Error("unhandled byte size: %" PRIu32, reg_info->byte_size);
        }
        return DoWriteFPR(&fp_regs, sizeof(fp_regs));
    }

    if (reg == lldb_last_break_s390x)
    {
        return Error("The last break address is read-only");
    }

    if (reg == lldb_system_call_s390x)
    {
        uint32_t system_call = reg_value.GetAsUInt32();
        return DoWriteRegisterSet(NT_S390_SYSTEM_CALL, &system_call, 4);
    }

    return Error("failed - register wasn't recognized");
}

bool Silf::readGraphite(const byte * const silf_start, size_t lSilf, Face& face, uint32 version)
{
    const byte * p = silf_start,
               * const silf_end = p + lSilf;
    Error e;

    if (e.test(version >= 0x00060000, E_BADSILFVERSION))
    {
        releaseBuffers(); return face.error(e);
    }
    if (version >= 0x00030000)
    {
        if (e.test(lSilf < 28, E_BADSIZE)) { releaseBuffers(); return face.error(e); }
        be::skip<int32>(p);    // ruleVersion
        be::skip<uint16>(p,2); // passOffset & pseudosOffset
    }
    else if (e.test(lSilf < 20, E_BADSIZE)) { releaseBuffers(); return face.error(e); }
    const uint16 maxGlyph = be::read<uint16>(p);
    m_silfinfo.extra_ascent = be::read<uint16>(p);
    m_silfinfo.extra_descent = be::read<uint16>(p);
    m_numPasses = be::read<uint8>(p);
    m_sPass     = be::read<uint8>(p);
    m_pPass     = be::read<uint8>(p);
    m_jPass     = be::read<uint8>(p);
    m_bPass     = be::read<uint8>(p);
    m_flags     = be::read<uint8>(p);
    be::skip<uint8>(p,2); //  max{Pre,Post}Context.
    m_aPseudo   = be::read<uint8>(p);
    m_aBreak    = be::read<uint8>(p);
    m_aBidi     = be::read<uint8>(p);
    m_aMirror   = be::read<uint8>(p);
    m_aPassBits = be::read<uint8>(p);

    // Read Justification levels.
    m_numJusts  = be::read<uint8>(p);
    if (e.test(maxGlyph >= face.glyphs().numGlyphs(), E_BADMAXGLYPH)
        || e.test(p + m_numJusts * 8 >= silf_end, E_BADNUMJUSTS))
    {
        releaseBuffers(); return face.error(e);
    }

    if (m_numJusts)
    {
        m_justs = gralloc<Justinfo>(m_numJusts);
        if (e.test(!m_justs, E_OUTOFMEM)) return face.error(e);

        for (uint8 i = 0; i < m_numJusts; i++)
        {
            ::new(m_justs + i) Justinfo(p[0], p[1], p[2], p[3]);
            be::skip<byte>(p,8);
        }
    }

    if (e.test(p + sizeof(uint16) + sizeof(uint8)*8 >= silf_end, E_BADENDJUSTS)) { releaseBuffers(); return face.error(e); }
    m_aLig       = be::read<uint16>(p);
    m_aUser      = be::read<uint8>(p);
    m_iMaxComp   = be::read<uint8>(p);
    m_dir        = be::read<uint8>(p) - 1;
    m_aCollision = be::read<uint8>(p);
    be::skip<byte>(p,3);
    be::skip<uint16>(p, be::read<uint8>(p));    // don't need critical features yet
    be::skip<byte>(p);                          // reserved
    if (e.test(p >= silf_end, E_BADCRITFEATURES))   { releaseBuffers(); return face.error(e); }
    be::skip<uint32>(p, be::read<uint8>(p));    // don't use scriptTag array.
    if (e.test(p + sizeof(uint16) + sizeof(uint32) >= silf_end, E_BADSCRIPTTAGS)) { releaseBuffers(); return face.error(e); }
    m_gEndLine  = be::read<uint16>(p);          // lbGID
    const byte * o_passes = p,
               * const passes_start = silf_start + be::read<uint32>(p);

    const size_t num_attrs = face.glyphs().numAttrs();
    if (e.test(m_aPseudo   >= num_attrs, E_BADAPSEUDO)
        || e.test(m_aBreak >= num_attrs, E_BADABREAK)
        || e.test(m_aBidi  >= num_attrs, E_BADABIDI)
        || e.test(m_aMirror>= num_attrs, E_BADAMIRROR)
        || e.test(m_aCollision && m_aCollision >= num_attrs - 5, E_BADACOLLISION)
        || e.test(m_numPasses > 128, E_BADNUMPASSES) || e.test(passes_start >= silf_end, E_BADPASSESSTART)
        || e.test(m_pPass < m_sPass, E_BADPASSBOUND) || e.test(m_pPass > m_numPasses, E_BADPPASS) || e.test(m_sPass > m_numPasses, E_BADSPASS)
        || e.test(m_jPass < m_pPass, E_BADJPASSBOUND) || e.test(m_jPass > m_numPasses, E_BADJPASS)
        || e.test((m_bPass != 0xFF && (m_bPass < m_jPass || m_bPass > m_numPasses)), E_BADBPASS)
        || e.test(m_aLig > 127, E_BADALIG))
    {
        releaseBuffers();
        return face.error(e);
    }
    be::skip<uint32>(p, m_numPasses);
    if (e.test(p + sizeof(uint16) >= passes_start, E_BADPASSESSTART)) { releaseBuffers(); return face.error(e); }
    m_numPseudo = be::read<uint16>(p);
    be::skip<uint16>(p, 3); // searchPseudo, pseudoSelector, pseudoShift
    m_pseudos = new Pseudo[m_numPseudo];
    if (e.test(p + m_numPseudo*(sizeof(uint32) + sizeof(uint16)) >= passes_start, E_BADNUMPSEUDO)
        || e.test(!m_pseudos, E_OUTOFMEM))
    {
        releaseBuffers(); return face.error(e);
    }
    for (int i = 0; i < m_numPseudo; i++)
    {
        m_pseudos[i].uid = be::read<uint32>(p);
        m_pseudos[i].gid = be::read<uint16>(p);
    }

//.........这里部分代码省略.........

bool
lldb_private::formatters::CFBitVectorSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
    ProcessSP process_sp = valobj.GetProcessSP();
    if (!process_sp)
        return false;
    
    ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
    
    if (!runtime)
        return false;
    
    ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
    
    if (!descriptor.get() || !descriptor->IsValid())
        return false;
    
    uint32_t ptr_size = process_sp->GetAddressByteSize();
    
    lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
    
    if (!valobj_addr)
        return false;
    
    uint32_t count = 0;
    
    bool is_type_ok = false; // check to see if this is a CFBag we know about
    if (descriptor->IsCFType())
    {
        ConstString type_name(valobj.GetTypeName());
        if (type_name == ConstString("__CFMutableBitVector") || type_name == ConstString("__CFBitVector") || type_name == ConstString("CFMutableBitVectorRef") || type_name == ConstString("CFBitVectorRef"))
        {
            if (valobj.IsPointerType())
                is_type_ok = true;
        }
    }
    
    if (is_type_ok == false)
        return false;
    
    Error error;
    count = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr+2*ptr_size, ptr_size, 0, error);
    if (error.Fail())
        return false;
    uint64_t num_bytes = count / 8 + ((count & 7) ? 1 : 0);
    addr_t data_ptr = process_sp->ReadPointerFromMemory(valobj_addr+2*ptr_size+2*ptr_size, error);
    if (error.Fail())
        return false;
    // make sure we do not try to read huge amounts of data
    if (num_bytes > 1024)
        num_bytes = 1024;
    DataBufferSP buffer_sp(new DataBufferHeap(num_bytes,0));
    num_bytes = process_sp->ReadMemory(data_ptr, buffer_sp->GetBytes(), num_bytes, error);
    if (error.Fail() || num_bytes == 0)
        return false;
    uint8_t *bytes = buffer_sp->GetBytes();
    for (uint64_t byte_idx = 0; byte_idx < num_bytes-1; byte_idx++)
    {
        uint8_t byte = bytes[byte_idx];
        bool bit0 = (byte & 1) == 1;
        bool bit1 = (byte & 2) == 2;
        bool bit2 = (byte & 4) == 4;
        bool bit3 = (byte & 8) == 8;
        bool bit4 = (byte & 16) == 16;
        bool bit5 = (byte & 32) == 32;
        bool bit6 = (byte & 64) == 64;
        bool bit7 = (byte & 128) == 128;
        stream.Printf("%c%c%c%c %c%c%c%c ",
                      (bit7 ? '1' : '0'),
                      (bit6 ? '1' : '0'),
                      (bit5 ? '1' : '0'),
                      (bit4 ? '1' : '0'),
                      (bit3 ? '1' : '0'),
                      (bit2 ? '1' : '0'),
                      (bit1 ? '1' : '0'),
                      (bit0 ? '1' : '0'));
        count -= 8;
    }
    {
        // print the last byte ensuring we do not print spurious bits
        uint8_t byte = bytes[num_bytes-1];
        bool bit0 = (byte & 1) == 1;
        bool bit1 = (byte & 2) == 2;
        bool bit2 = (byte & 4) == 4;
        bool bit3 = (byte & 8) == 8;
        bool bit4 = (byte & 16) == 16;
        bool bit5 = (byte & 32) == 32;
        bool bit6 = (byte & 64) == 64;
        bool bit7 = (byte & 128) == 128;
        if (count)
        {
            stream.Printf("%c",bit7 ? '1' : '0');
            count -= 1;
        }
        if (count)
        {
            stream.Printf("%c",bit6 ? '1' : '0');
            count -= 1;
        }
        if (count)
//.........这里部分代码省略.........

// For local debugging, Linux will override the debug logic to use llgs-launch rather than
// lldb-launch, llgs-attach.  This differs from current lldb-launch, debugserver-attach
// approach on MacOSX.
lldb::ProcessSP
PlatformLinux::DebugProcess (ProcessLaunchInfo &launch_info,
                             Debugger &debugger,
                             Target *target,       // Can be NULL, if NULL create a new target, else use existing one
                             Error &error)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_PLATFORM));
    if (log)
        log->Printf ("PlatformLinux::%s entered (target %p)", __FUNCTION__, static_cast<void*>(target));

    // If we're a remote host, use standard behavior from parent class.
    if (!IsHost ())
        return PlatformPOSIX::DebugProcess (launch_info, debugger, target, error);

    //
    // For local debugging, we'll insist on having ProcessGDBRemote create the process.
    //

    ProcessSP process_sp;

    // Make sure we stop at the entry point
    launch_info.GetFlags ().Set (eLaunchFlagDebug);

    // We always launch the process we are going to debug in a separate process
    // group, since then we can handle ^C interrupts ourselves w/o having to worry
    // about the target getting them as well.
    launch_info.SetLaunchInSeparateProcessGroup(true);

    // Ensure we have a target.
    if (target == nullptr)
    {
        if (log)
            log->Printf ("PlatformLinux::%s creating new target", __FUNCTION__);

        TargetSP new_target_sp;
        error = debugger.GetTargetList().CreateTarget (debugger,
                                                       nullptr,
                                                       nullptr,
                                                       false,
                                                       nullptr,
                                                       new_target_sp);
        if (error.Fail ())
        {
            if (log)
                log->Printf ("PlatformLinux::%s failed to create new target: %s", __FUNCTION__, error.AsCString ());
            return process_sp;
        }

        target = new_target_sp.get();
        if (!target)
        {
            error.SetErrorString ("CreateTarget() returned nullptr");
            if (log)
                log->Printf ("PlatformLinux::%s failed: %s", __FUNCTION__, error.AsCString ());
            return process_sp;
        }
    }
    else
    {
        if (log)
            log->Printf ("PlatformLinux::%s using provided target", __FUNCTION__);
    }

    // Mark target as currently selected target.
    debugger.GetTargetList().SetSelectedTarget(target);

    // Now create the gdb-remote process.
    if (log)
        log->Printf ("PlatformLinux::%s having target create process with gdb-remote plugin", __FUNCTION__);
    process_sp = target->CreateProcess (launch_info.GetListenerForProcess(debugger), "gdb-remote", nullptr);

    if (!process_sp)
    {
        error.SetErrorString ("CreateProcess() failed for gdb-remote process");
        if (log)
            log->Printf ("PlatformLinux::%s failed: %s", __FUNCTION__, error.AsCString ());
        return process_sp;
    }
    else
    {
        if (log)
            log->Printf ("PlatformLinux::%s successfully created process", __FUNCTION__);
    }

    // Adjust launch for a hijacker.
    ListenerSP listener_sp;
    if (!launch_info.GetHijackListener ())
    {
        if (log)
            log->Printf ("PlatformLinux::%s setting up hijacker", __FUNCTION__);

        listener_sp = Listener::MakeListener("lldb.PlatformLinux.DebugProcess.hijack");
        launch_info.SetHijackListener (listener_sp);
        process_sp->HijackProcessEvents (listener_sp);
    }

    // Log file actions.
//.........这里部分代码省略.........

Error
PlatformLinux::ResolveExecutable (const ModuleSpec &ms,
                                  lldb::ModuleSP &exe_module_sp,
                                  const FileSpecList *module_search_paths_ptr)
{
    Error error;
    // Nothing special to do here, just use the actual file and architecture

    char exe_path[PATH_MAX];
    ModuleSpec resolved_module_spec (ms);

    if (IsHost())
    {
        // If we have "ls" as the exe_file, resolve the executable location based on
        // the current path variables
        if (!resolved_module_spec.GetFileSpec().Exists())
        {
            resolved_module_spec.GetFileSpec().GetPath(exe_path, sizeof(exe_path));
            resolved_module_spec.GetFileSpec().SetFile(exe_path, true);
        }

        if (!resolved_module_spec.GetFileSpec().Exists())
            resolved_module_spec.GetFileSpec().ResolveExecutableLocation ();

        if (resolved_module_spec.GetFileSpec().Exists())
            error.Clear();
        else
        {
            error.SetErrorStringWithFormat("unable to find executable for '%s'", resolved_module_spec.GetFileSpec().GetPath().c_str());
        }
    }
    else
    {
        if (m_remote_platform_sp)
        {
            error = GetCachedExecutable (resolved_module_spec, exe_module_sp, module_search_paths_ptr, *m_remote_platform_sp);
        }
        else
        {
            // We may connect to a process and use the provided executable (Don't use local $PATH).

            if (resolved_module_spec.GetFileSpec().Exists())
                error.Clear();
            else
                error.SetErrorStringWithFormat("the platform is not currently connected, and '%s' doesn't exist in the system root.", exe_path);
        }
    }

    if (error.Success())
    {
        if (resolved_module_spec.GetArchitecture().IsValid())
        {
            error = ModuleList::GetSharedModule (resolved_module_spec,
                                                 exe_module_sp,
                                                 NULL,
                                                 NULL,
                                                 NULL);
            if (error.Fail())
            {
                // If we failed, it may be because the vendor and os aren't known. If that is the
                // case, try setting them to the host architecture and give it another try.
                llvm::Triple &module_triple = resolved_module_spec.GetArchitecture().GetTriple();
                bool is_vendor_specified = (module_triple.getVendor() != llvm::Triple::UnknownVendor);
                bool is_os_specified = (module_triple.getOS() != llvm::Triple::UnknownOS);
                if (!is_vendor_specified || !is_os_specified)
                {
                    const llvm::Triple &host_triple = HostInfo::GetArchitecture(HostInfo::eArchKindDefault).GetTriple();

                    if (!is_vendor_specified)
                        module_triple.setVendorName (host_triple.getVendorName());
                    if (!is_os_specified)
                        module_triple.setOSName (host_triple.getOSName());

                    error = ModuleList::GetSharedModule (resolved_module_spec,
                                                         exe_module_sp,
                                                         NULL,
                                                         NULL,
                                                         NULL);
                }
            }

            // TODO find out why exe_module_sp might be NULL
            if (!exe_module_sp || exe_module_sp->GetObjectFile() == NULL)
            {
                exe_module_sp.reset();
                error.SetErrorStringWithFormat ("'%s' doesn't contain the architecture %s",
                                                resolved_module_spec.GetFileSpec().GetPath().c_str(),
                                                resolved_module_spec.GetArchitecture().GetArchitectureName());
            }
        }
        else
        {
            // No valid architecture was specified, ask the platform for
            // the architectures that we should be using (in the correct order)
            // and see if we can find a match that way
            StreamString arch_names;
            for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, resolved_module_spec.GetArchitecture()); ++idx)
            {
                error = ModuleList::GetSharedModule (resolved_module_spec,
                                                     exe_module_sp,
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		/*
		if (Broodwar->self())
		{
		Unitset myUnits = Broodwar->self()->getUnits();
		for (auto u : myUnits)
		{
		if (u->isIdle() && u->getType().isResourceDepot())
		u->train(u->getType().getRace().getWorker());
		}
		}
		*/




		// If the unit is a worker unit
		if (u->getType().isWorker())
		{
			// if our worker is idle
			if (u->isIdle())
			{
				// Order workers carrying a resource to return them to the center,
				// otherwise find a mineral patch to harvest.
				if (u->isCarryingGas() || u->isCarryingMinerals())
				{
					u->returnCargo();
				}
				else if (!u->getPowerUp())  // The worker cannot harvest anything if it
				{                             // is carrying a powerup such as a flag
					// Harvest from the nearest mineral patch or gas refinery
					if (!u->gather(u->getClosestUnit(IsMineralField))) // IsRefinery
					{
						// If the call fails, then print the last error message
						Broodwar << Broodwar->getLastError() << std::endl;
					}
				} // closure: has no powerup

			} // closure: if idle

		}
		else if (u->getType().isResourceDepot()) // A resource depot is a Command Center, Nexus, or Hatchery
		{

			// Order the depot to construct more workers! But only when it is idle.
			if (u->isIdle() && ProbeCount < 40) // && !u->train(u->getType().getRace().getWorker())
			{
				u->train(u->getType().getRace().getWorker());
				// If that fails, draw the error at the location so that you can visibly see what went wrong!
				// However, drawing the error once will only appear for a single frame
				// so create an event that keeps it on the screen for some frames

				// Position homePosition = Position(Broodwar->self()->getStartLocation());
			}
			Position pos = u->getPosition();
			Error lastErr = Broodwar->getLastError();
			Broodwar->registerEvent([pos, lastErr](Game*){ Broodwar->drawTextMap(pos, "%c%s", Text::White, lastErr.c_str()); },   // action
				nullptr,    // condition
				Broodwar->getLatencyFrames());  // frames to run

			// Retrieve the supply provider type in the case that we have run out of supplies		
			UnitType supplyProviderType = u->getType().getRace().getSupplyProvider();
			static int lastChecked = 0;


			// If we are supply blocked and haven't tried constructing more recently
			if (lastErr == Errors::Insufficient_Supply &&

core::ProgramStatus Options::read(int argc, char * const argv[])
{
   using namespace boost::program_options ;
   
   // get the shared secret
   monitorSharedSecret_ = core::system::getenv(kMonitorSharedSecretEnvVar);
   core::system::unsetenv(kMonitorSharedSecretEnvVar);

   // compute the resource path
   FilePath resourcePath;
   Error error = core::system::installPath("..", argv[0], &resourcePath);
   if (error)
   {
      LOG_ERROR_MESSAGE("Unable to determine install path: "+error.summary());
      return ProgramStatus::exitFailure();
   }

   // detect running in OSX bundle and tweak resource path
#ifdef __APPLE__
   if (resourcePath.complete("Info.plist").exists())
      resourcePath = resourcePath.complete("Resources");
#endif

   // detect running in x64 directory and tweak resource path
#ifdef _WIN32
   if (resourcePath.complete("x64").exists())
      resourcePath = resourcePath.parent();
#endif

   // verify installation flag
   options_description verify("verify");
   verify.add_options()
     (kVerifyInstallationSessionOption,
     value<bool>(&verifyInstallation_)->default_value(false),
     "verify the current installation");

   // program - name and execution
   options_description program("program");
   program.add_options()
      (kProgramModeSessionOption,
         value<std::string>(&programMode_)->default_value("server"),
         "program mode (desktop or server");
   
   // agreement
   options_description agreement("agreement");
   agreement.add_options()
      ("agreement-file",
      value<std::string>(&agreementFilePath_)->default_value(""),
      "agreement file");

   // docs url
   options_description docs("docs");
   docs.add_options()
      ("docs-url",
       value<std::string>(&docsURL_)->default_value(""),
       "custom docs url");

   // www options
   options_description www("www") ;
   www.add_options()
      ("www-local-path",
         value<std::string>(&wwwLocalPath_)->default_value("www"),
         "www local path")
      ("www-symbol-maps-path",
         value<std::string>(&wwwSymbolMapsPath_)->default_value(
                                                         "www-symbolmaps"),
         "www symbol maps path")
      ("www-port",
         value<std::string>(&wwwPort_)->default_value("8787"),
         "port to listen on");

   // session options
   std::string saveActionDefault;
   options_description session("session") ;
   session.add_options()
      (kTimeoutSessionOption,
         value<int>(&timeoutMinutes_)->default_value(120),
         "session timeout (minutes)" )
      (kDisconnectedTimeoutSessionOption,
         value<int>(&disconnectedTimeoutMinutes_)->default_value(0),
         "session disconnected timeout (minutes)" )
      ("session-preflight-script",
         value<std::string>(&preflightScript_)->default_value(""),
         "session preflight script")
      ("session-create-public-folder",
         value<bool>(&createPublicFolder_)->default_value(false),
         "automatically create public folder")
      ("session-rprofile-on-resume-default",
          value<bool>(&rProfileOnResumeDefault_)->default_value(false),
          "default user setting for running Rprofile on resume")
      ("session-save-action-default",
       value<std::string>(&saveActionDefault)->default_value(""),
          "default save action (yes, no, or ask)");

   // allow options
   options_description allow("allow");
   allow.add_options()
      ("allow-vcs-executable-edit",
         value<bool>(&allowVcsExecutableEdit_)->default_value(true),
         "allow editing of vcs executables")
//.........这里部分代码省略.........