S - Intranet - Department of Computer Science: Login

A SableCC Grammar with transformations
Followed by the productions:
Productions
grammar = exp_list {-> New grammar([exp_list.exp])};
exp_list {-> exp*} = exp exp_list_tail* {-> [exp exp_list_tail.exp]};
exp_list_tail {-> exp} = comma exp {-> exp};
exp =
{plus} exp plus factor {-> New exp.plus(exp, factor.exp) }
| {minus} exp minus factor {-> New exp.minus(exp, factor.exp) }
| {factor} factor {-> factor.exp}
;
factor {-> exp} =
{mult} factor mult term {-> New exp.mult(factor.exp, term.exp )}
| {div} factor div term {-> New exp.div(factor.exp, term.exp ) }
| {term} term {-> term.exp}
;
term {-> exp} =
{number} number {-> New exp.number(number)}
| {exp} l_par exp r_par {-> exp}
;
74