bool PathMappingList::RemapPath(llvm::StringRef path,
                                std::string &new_path) const {
  if (m_pairs.empty() || path.empty())
    return false;

  const_iterator pos, end = m_pairs.end();
  for (pos = m_pairs.begin(); pos != end; ++pos) {
    if (!path.consume_front(pos->first.GetStringRef()))

    new_path = pos->second.GetStringRef();
    return true;
  return false;
lldb::ConnectionStatus ConnectionGenericFile::Connect(llvm::StringRef path,
                                                      Error *error_ptr) {
  Log *log(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_CONNECTION));
  if (log)
    log->Printf("%p ConnectionGenericFile::Connect (url = '%s')",
                static_cast<void *>(this), path.str().c_str());

  if (!path.consume_front("file://")) {
    if (error_ptr)
      error_ptr->SetErrorStringWithFormat("unsupported connection URL: '%s'",
    return eConnectionStatusError;

  if (IsConnected()) {
    ConnectionStatus status = Disconnect(error_ptr);
    if (status != eConnectionStatusSuccess)
      return status;

  // Open the file for overlapped access.  If it does not exist, create it.  We
  // open it overlapped so that we can issue asynchronous reads and then use
  // WaitForMultipleObjects to allow the read to be interrupted by an event
  // object.
  std::wstring wpath;
  if (!llvm::ConvertUTF8toWide(path, wpath)) {
    if (error_ptr)
      error_ptr->SetError(1, eErrorTypeGeneric);
    return eConnectionStatusError;
  m_file = ::CreateFileW(wpath.c_str(), GENERIC_READ | GENERIC_WRITE,
                         FILE_SHARE_READ, NULL, OPEN_ALWAYS,
                         FILE_FLAG_OVERLAPPED, NULL);
  if (m_file == INVALID_HANDLE_VALUE) {
    if (error_ptr)
      error_ptr->SetError(::GetLastError(), eErrorTypeWin32);
    return eConnectionStatusError;

  m_owns_file = true;
  return eConnectionStatusSuccess;
Example #3
BreakpointID::ParseCanonicalReference(llvm::StringRef input) {
  break_id_t bp_id;
  break_id_t loc_id = LLDB_INVALID_BREAK_ID;

  if (input.empty())
    return llvm::None;

  // If it doesn't start with an integer, it's not valid.
  if (input.consumeInteger(0, bp_id))
    return llvm::None;

  // period is optional, but if it exists, it must be followed by a number.
  if (input.consume_front(".")) {
    if (input.consumeInteger(0, loc_id))
      return llvm::None;

  // And at the end, the entire string must have been consumed.
  if (!input.empty())
    return llvm::None;

  return BreakpointID(bp_id, loc_id);