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Sun Aug 9 11:32:40 CEST 2009

Reader task

I got distracted..  Getting a front row view of how Scheme is
implemented on top of a bare machine is fascinating.

Anyways.  Now that the core of the interpreter seems to work, let's
make the first attempt at re-usable code: a reader = tokenizer +
"compressed ast parser" for s-expressions.

A compressed ast is a binary flat representation of a tree, consisting
of a stream of words.  This is important, because it will be the main
interface between two communicating processes that do not share
memory (or not all memory: they might share constant pointers.).




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