(4 of 6) .. This compression was the subject of my doctoral dissertation (PDF k) at. Introduction to the ANTLR4 Parser Generator. Robert Soulé. Version of September 15, Abstract. ANTLR4 is a parser generator developed and main-. ANTLR (ANother Tool for Language Recognition) is a powerful parser generator usr/local/lib/$CLASSPATH" $ alias antlr4='java -jar. To add to or improve this documentation, fork the antlr/antlr4 repo then update this `doc/` or file(s) in that directory. Submit a pull request to get your.