require 'formula' class Antlr < Formula homepage 'http://www.antlr.org/' url 'http://www.antlr.org/download/antlr-4.2-complete.jar' sha1 '2ca46f6c3fee3cde543ec21a800805e9432acab7' def install prefix.install "antlr-#{version}-complete.jar" bin.write_jar_script prefix/"antlr-#{version}-complete.jar", "antlr4" end end