[ 原始碼： truffle ]
套件：libtruffle-java（0.6-3）
multi-language framework for executing dynamic languages
Truffle is a language abstract syntax tree interpreter which allow it to implement languages on top of the Graal framework.
To implement a language using Truffle you write an AST for your language and add methods to interpret (perform the action of) each node.
Graal is an Oracle project aiming to implement a high performance Java dynamic compiler and interpreter.