This directory contains the "javatools_turtle" aka "bottom turtle" project, which is a tiny bit of Ecstasy code that is needed as bedrock for the Java proof-of-concept. Specifically, both the compiler and the runtime need this tiny bit of code as a hidden concrete solution to a technically impossible concept ("turtles all the way down").

Regarding the name, "Mack" was the long-suffering bottom turtle in the oh-so-high stack of turtles topped by the tyrant "Yertle", ever so exquisitely documented by Dr. Seuss in the book "Yertle the Turtle". Sadly, Mack Turtle passed away in 2022 at the ripe old age of 96, after being run over by a "Freedom rally" truck caravan. Rest in peace, Mack.

The License is the Apache License, Version 2.0.