class RubyLex

def self.ripper_lex_without_warning(code, context: nil)
  verbose, $VERBOSE = $VERBOSE, nil
  lvars_code = generate_local_variables_assign_code(context&.local_variables || [])
  original_code = code
  if lvars_code
    code = "#{lvars_code}\n#{code}"
    line_no = 0
  else
    line_no = 1
  end
  compile_with_errors_suppressed(code, line_no: line_no) do |inner_code, line_no|
    lexer = Ripper::Lexer.new(inner_code, '-', line_no)
    tokens = []
    lexer.scan.each do |t|
      next if t.pos.first == 0
      prev_tk = tokens.last
      position_overlapped = prev_tk && t.pos[0] == prev_tk.pos[0] && t.pos[1] < prev_tk.pos[1] + prev_tk.tok.bytesize
      if position_overlapped
        tokens[-1] = t if ERROR_TOKENS.include?(prev_tk.event) && !ERROR_TOKENS.include?(t.event)
      else
        tokens << t
      end
    end
    interpolate_ripper_ignored_tokens(original_code, tokens)
  end
ensure
  $VERBOSE = verbose
end