old milestone list--for reference

This was our old milestone list for metaruby/ruby2c. It does not reflect current status, but status then (approx 2004-10).

1: (done) parse_tree.rb
2: (done) 1st compilable unit
3: (done) massive cleanup and rearchitecture (node class and SexpProcessor
composite class)
4: basic sexp interpreter (numerics), use that to drive the doco for
the ruby subset we support.
5: advanced sexp interpreter (objects)

basic units/goals (in no order)

memory allocation & deallocation
sexp interpreter + documented ruby subset
array
object
string
inlining

huge units/goals:

parser
runtime