get_squashed_tk

in lib/rdoc/parser/ripper_state_lex.rb [316:366]

• 50 lines of code
• 21 McCabe index (conditional complexity)

  def get_squashed_tk
    if @buf.empty?
      tk = @tokens.shift
    else
      tk = @buf.shift
    end
    return nil if tk.nil?
    case tk[:kind]
    when :on_symbeg then
      tk = get_symbol_tk(tk)
    when :on_tstring_beg then
      tk = get_string_tk(tk)
    when :on_backtick then
      if (tk[:state] & (EXPR_FNAME | EXPR_ENDFN)) != 0
        @inner_lex.lex_state = EXPR_ARG unless RIPPER_HAS_LEX_STATE
        tk[:kind] = :on_ident
        tk[:state] = Ripper::Lexer.const_defined?(:State) ? Ripper::Lexer::State.new(EXPR_ARG) : EXPR_ARG
      else
        tk = get_string_tk(tk)
      end
    when :on_regexp_beg then
      tk = get_regexp_tk(tk)
    when :on_embdoc_beg then
      tk = get_embdoc_tk(tk)
    when :on_heredoc_beg then
      @heredoc_queue << retrieve_heredoc_info(tk)
      @inner_lex.lex_state = EXPR_END unless RIPPER_HAS_LEX_STATE
    when :on_nl, :on_ignored_nl, :on_comment, :on_heredoc_end then
      if !@heredoc_queue.empty?
        get_heredoc_tk(*@heredoc_queue.shift)
      elsif tk[:text].nil? 
        tk[:text] = ''
      end
    when :on_words_beg then
      tk = get_words_tk(tk)
    when :on_qwords_beg then
      tk = get_words_tk(tk)
    when :on_symbols_beg then
      tk = get_words_tk(tk)
    when :on_qsymbols_beg then
      tk = get_words_tk(tk)
    when :on_op then
      if '&.' == tk[:text]
        tk[:kind] = :on_period
      else
        tk = get_op_tk(tk)
      end
    end
    tk
  end