input: complete_expression
        | scalefactor complete_expression
        ;

complete_expression: product_of_units
        ;

product_of_units: unit_expression
        | division unit_expression
        | product_of_units product unit_expression
        | product_of_units division unit_expression
        ;

unit_expression: term
        | function_application
        | OPEN_P complete_expression CLOSE_P
        ;

function_application: OPEN_SQ complete_expression CLOSE_SQ
        ;

scalefactor: LIT10 power numeric_power
        | LIT10 SIGNED_INTEGER
        | UNSIGNED_INTEGER
        | LIT10
        | CDSFLOAT
        | FLOAT
        ;

division: DIVISION;

term: unit
        | unit numeric_power
        ;

unit: STRING
        | PERCENT
        ;

power: STARSTAR;

numeric_power: integer
        ;


integer: SIGNED_INTEGER | UNSIGNED_INTEGER;

product: DOT;
