It's time to leave the secondary, external structure of our programs behind. If you can treat the reflected code from a programming language like an abstract data structure, why can’t you just keep the source itself in a similarly abstracted data structure? Isn’t the structure of a program more similar to a graph, than a list? Besides the momentum ...

Ian Piumarta and some very smart folks over at the Viewpoints Research Institute have been working on a meta programming language named IS which is specifically designed for implementing other languages. The project actually has several names (IS, idst, cola, jolt, &c), as far as I can tell the current development version is called cola. The ...