Implementing a New Language with Truffle For an in-depth presentation on how to implement your language with Truffle, watch this three-hour walkthrough presented at the Conference on Programming Language Design and Implementation PLDI 2016. Download Slides Next Steps: Start to subclass TruffleLanguage for your own language implementation. Fork SimpleLanguage, a toy language that demonstrates how to use many Truffle features. Embed Truffle languages in Java host applications using the Polyglot API. Read GraalVM/Truffle publications.