[bmn__]

Almost anything fares better than flex/bison, this is shooting the proverbial fish in a barrel.

It comes across very strangely that your brother writes as if y'all are unaware of the existence of parser generators other than ANTLR. This makes me sad. In a fair comparison, ANTLR really is not a great tool; its capabilities are eclipsed by its marketing.

[ftomassetti]

We have several articles comparing tens of other tools. That said of all the tools we worked with, ANTLR was the one we were most efficient with. It is true, there is a learning curve, but in our experience learning it was a great investment. I can understand other could have different preferences