>> Then I have a new goal: understand that. :-) > > The deal is that macroexpansion produces tree-il. The usual > macroexpander is provided by psyntax. But before psyntax is loaded, > when the first bits of Scheme are seen, there is a boot expander written > in C that produces tree-il, with support for a subset of Scheme. This > is in expand.[ch]. > > Obviously it can't load scheme in order to get the vtable for <seq>, for > example, so it defines some core subset of tree-il in C. > > Then when tree-il loads, it grabs that core subset and re-exports it. > > Does that help?
Yes, and thank you very much for the explanation!
