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Chez parity: date/time + clojure.edn/read over a reader (jolt-cf1q.7/dcmm/7t3l/uicd)

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Date/time (inst-time.ss): java.util.Date / java.sql.Timestamp ctors accept ms or
another date value (ms-of) -> a jinst; java.text.SimpleDateFormat (pattern + .format
via the existing format-ms UTC engine; .setTimeZone accepted); java.util.TimeZone/
getTimeZone. instance? answers Date true / Timestamp false for a jinst (a Date is
not a Timestamp on the JVM).

clojure.edn/read over a reader (io.ss + post-prelude): the overlay edn.clj's
drain-reader is janet/type-coupled, so Chez drains the jhost StringReader/
PushbackReader to a string and reads the first EDN form. Unblocks jolt-uicd.

Native Chez throughout (no vendoring): Chez date arithmetic + string ports. zero-Janet
2688->2692, 0 new divergences; self-host + Janet gate + JVM cert green.

jolt-cf1q.7 jolt-dcmm jolt-7t3l jolt-uicd
This commit is contained in:
Yogthos 2026-06-20 18:03:58 -04:00
parent 60b4bae105
commit 01f49f50c3
4 changed files with 46 additions and 7 deletions
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6
host/chez/post-prelude.ss
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@ -65,3 +65,9 @@
(if (or (jolt-future? x) (jolt-promise? x) (jolt-delay? x))
(jolt-conc-realized? x)
(jolt-invoke overlay-realized? x)))))
;; clojure.edn/read over a reader: the overlay edn.clj drain-reader uses janet/type;
;; the native Chez version (io.ss) drains the jhost reader instead (jolt-uicd/jolt-7t3l).
(def-var! "clojure.edn" "read"
(case-lambda
((reader) (chez-edn-read reader))
((opts reader) (chez-edn-read reader))))