public override string VisitOpExpr(ArithmeticsParser.OpExprContext context) { string left = Visit(context.left); string right = Visit(context.right); string op = context.op.Text; switch (op[0]) { case '*': return("MultOP(" + left + ", " + right + ")"); case '/': return("DivOP(" + left + ", " + right + ")"); case '+': return("AddOP(" + left + ", " + right + ")"); case '-': return("SubOP(" + left + ", " + right + ")"); default: throw new InvalidDataException("Unknown operator " + op); } }
public override int VisitOpExpr(ArithmeticsParser.OpExprContext context) { int left = Visit(context.left); int right = Visit(context.right); string op = context.op.Text; switch (op[0]) { case '*': return(left * right); case '/': return(left / right); case '+': return(left + right); case '-': return(left - right); default: throw new InvalidDataException("Unknown operator " + op); } }