git.kianting.info Git - clo/blob - parserRule.txt

   1 single = "(" expr ")" | int
   2 args = single , args | single
   3 callees = "(" args ")" | "(" ")"
   4 facAux = callees facAux |  callees
   5 single facAux | single
   6 fac = single facAux | single
   7 term = fac | fac (MUL | DIV) fac
   8 expr = term (ADD | SUB) term