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refactor: registry pattern for jolt-pr-str/pr-readable + remaining arms (jolt-lmot)

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The printer's two entry points (jolt-pr-str in rt.ss, jolt-pr-readable in printing.ss)
get register-pr-str-arm! / register-pr-readable-arm!, plus register-pr-arm! for the
types whose str and readable forms match (bigdec/inst/uuid/tagged/record/ns/var). The
normalize arms (sorted, lazy-seq, queue) and the uri readable arm register per-printer.
Also folds in the hash (dyn-binding var-cell), class (io uri/uuid/file), and get
(transients) arms missed earlier.

natives-array's get stays a case-lambda wrapper on purpose: its 2-arg path errors on
an out-of-bounds index while the 3-arg path returns the default, an arity distinction
the (coll k d) registry collapses — left as-is to preserve behaviour.

Completes jolt-lmot: all six dispatchers (hash/class/get/=/pr-str/pr-readable) off the
set!-rebind chains. make test green, 0 new corpus divergences; pr-str/str of inst,
uuid, bigdec, sorted-map, record-with-lazyseq, queue all verified.
This commit is contained in:
Yogthos 2026-06-23 23:22:25 -04:00
parent acf3e1ffd3
commit 9a21325972
14 changed files with 48 additions and 64 deletions
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5
host/chez/vars.ss
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@ -38,10 +38,7 @@
;; pr-str / str of a var -> #'ns/name.
(define (var->str v) (string-append "#'" (var-cell-ns v) "/" (var-cell-name v)))
(define %v-pr-str jolt-pr-str)
(set! jolt-pr-str (lambda (x) (if (var-cell? x) (var->str x) (%v-pr-str x))))
(define %v-pr-readable jolt-pr-readable)
(set! jolt-pr-readable (lambda (x) (if (var-cell? x) (var->str x) (%v-pr-readable x))))
(register-pr-arm! var-cell? var->str)
(register-str-render! var-cell? var->str)
;; bound? — native (the overlay's (get v :root) is nil on a var-cell record).