grammar.treetop

grammar KanbanDSL

  rule stage
    (name (':' limit)? (cards / substages) ';')*
  end

  rule substages
    substage*
  end

  rule substage
    '[' name (':' limit)? cards ']'
  end

  rule limit
    [0-9]+ {
      def text_value
        text_value.to_i
      end
    }
  end
  
  rule cards
    '(' ((name [,]?)+)? ')'
  end

  rule name
    [a-zA-Z0-9\s]+
  end

end