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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
Download patch file Download diff file Expand all files Collapse all files

6
host/chez/transients.ss
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@ -169,11 +169,7 @@
;; Redefine the native get/count/contains?/nth (captured first) so the existing
;; emit lowerings unwrap a transient; non-transients are untouched.
(define %prev-jolt-get jolt-get)
(set! jolt-get
(case-lambda
((coll k) (if (jolt-transient? coll) (t-get coll k jolt-nil) (%prev-jolt-get coll k)))
((coll k d) (if (jolt-transient? coll) (t-get coll k d) (%prev-jolt-get coll k d)))))
(register-get-arm! jolt-transient? (lambda (coll k d) (t-get coll k d)))
(define %prev-jolt-count jolt-count)
(set! jolt-count (lambda (coll) (if (jolt-transient? coll) (t-count coll) (%prev-jolt-count coll))))
(define %prev-jolt-contains? jolt-contains?)