macroexpand-first analyzer order; one macro path; defmacro/letfn fixes

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The analyzer checked special forms before expanding macros, the reverse of the
canonical read -> macroexpand -> analyze order (Clojure/CLJS analyze-seq). Move
macroexpansion to the front of analyze-list. Knock-on fixes:

- letfn was both a (broken) macro expanding to let* AND a primitive special
  (analyze-letfn, proper letrec*). Macroexpand-first surfaced the macro, breaking
  mutual recursion; remove the macro, keep letfn a primitive.
- defmacro is now compiled by the analyzer (a :set-var-style :defmacro node that
  defs the expander fn via the fn macro — so destructuring arglists desugar — and
  marks the var a macro), so a non-top-level (when … (defmacro …)) works. The
  runtime spine's separate top-level defmacro interception is removed: one path.

SCI load 162 -> 202/218.

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Yogthos 2026-06-22 00:54:16 -04:00

parent e6ee17b055

commit f18ae3bd46

8 changed files with 402 additions and 383 deletions

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