A simple example of using ANTLR from Clojure.
See my blog for a detailed walkthrough of this code.
$ git clone git://github.com/briancarper/antlr-example.git
$ cd antlr-example
$ lein deps
$ java -cp 'lib/*' org.antlr.Tool src/antlr_example/Expr.g
$ javac -cp 'lib/*' -d classes src/antlr_example/Expr{Lexer,Parser}.java
Eclipse Public License 1.0, see http://opensource.org/licenses/eclipse-1.0.php.