class Rouge::Lexers::ConsoleLexer

def process_line(input, &output)
  input.scan(line_regex)
  if input[0] =~ /\A\s*(?:<[.]+>|[.]+)\s*\z/
    puts "console: matched snip #{input[0].inspect}" if @debug
    output_lexer.reset!
    lang_lexer.reset!
    yield Comment, input[0]
  elsif prompt_regex =~ input[0]
    puts "console: matched prompt #{input[0].inspect}" if @debug
    output_lexer.reset!
    yield Generic::Prompt, $&
    # make sure to take care of initial whitespace
    # before we pass to the lang lexer so it can determine where
    # the "real" beginning of the line is
    $' =~ /\A\s*/
    yield Text, $& unless $&.empty?
    lang_lexer.lex($', continue: true, &output)
  elsif comment_regex =~ input[0].strip
    puts "console: matched comment #{input[0].inspect}" if @debug
    output_lexer.reset!
    lang_lexer.reset!
    yield Comment, input[0]
  else
    puts "console: matched output #{input[0].inspect}" if @debug
    lang_lexer.reset!
    output_lexer.lex(input[0], continue: true, &output)
  end
end