End of file

lexer_5.cpp

case 0:
  // If this is a random nul character in the middle 
  // of a buffer, skip it as whitespace.
  if (CurPtr-1 != BufferEnd) {
    diagnoseEmbeddedNul(Diags, CurPtr-1);
    goto Restart;
  }
  // Otherwise, this is the real end of the buffer.  
  // Put CurPtr back into buffer bounds.
  CurPtr--;
  // Return EOF.
  return formToken(tok::eof, TokStart);