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|
tokens = tokPlus tokMinus tokMult tokDivide tokOpenParen tokCloseParen
tokEquals tokNumber;
input: input line
|
;
line: expr tokEquals {print}
;
expr: expr tokPlus expr {add}
| expr tokMinus expr {subtract}
| expr tokMult expr {multiply}
| expr tokDivide expr {divide}
| tokOpenParen expr tokCloseParen
| [tokNumber]
;
|
