on_op

in lib/rdoc/parser/ripper_state_lex.rb [66:107]

• 40 lines of code
• 15 McCabe index (conditional complexity)

    def on_op(tok, data)
      case tok
      when '&', '|', '!', '!=', '!~'
        case @lex_state
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      when '<<'
        
        case @lex_state
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      when '?'
        @lex_state = EXPR_BEG
      when '&&', '||', '+=', '-=', '*=', '**=',
           '&=', '|=', '^=', '<<=', '>>=', '||=', '&&='
        @lex_state = EXPR_BEG
      when '::'
        case @lex_state
        when EXPR_ARG, EXPR_CMDARG
          @lex_state = EXPR_DOT
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      else
        case @lex_state
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      end
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end