[sambeau]

This is either a reinvention of ASTs or it's Graph Reduction.

http://en.wikipedia.org/wiki/Abstract_syntax_tree http://en.wikipedia.org/wiki/Graph_reduction

:)

[jasonwatkinspdx]

You provided two things that the original post is a reinvention of. Which is it? Why not read the article enough to decide which it is a reinvention of, then present your thinking in your comment?