01f49f50c3
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
73 lines
4.4 KiB
Scheme
73 lines
4.4 KiB
Scheme
;; post-prelude overrides (jolt-9ziu) — loaded AFTER the assembled clojure.core
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;; prelude, so these win over the overlay's own def-var!.
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;;
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;; A few clojure.core predicates are implemented in the overlay by inspecting a
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;; Janet-host tagged value's :jolt/type key (e.g. (get x :jolt/type)). That key
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;; doesn't exist for Chez-native representations: a jolt char is a Scheme char,
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;; an atom is a Chez record. The overlay's def-var! loads after rt.ss, so it
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;; clobbers the correct native shims (predicates.ss / atoms.ss) with versions
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;; that return false on every Chez value. Re-assert the native versions here.
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;;
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;; (Long-term these predicates want a host-neutral implementation that calls a
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;; host primitive instead of reading :jolt/type; until then this is the Chez-host
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;; override.)
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(def-var! "clojure.core" "char?" jolt-char-pred?)
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(def-var! "clojure.core" "atom?" jolt-atom?)
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;; atom watches/validators: the overlay drives these via jolt.host/ref-put! on a
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;; Janet table (get a :watches), which a Chez atom record is not — re-assert the
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;; native versions (defined in atoms.ss), and swap!/reset! notify+validate there.
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(def-var! "clojure.core" "add-watch" jolt-add-watch)
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(def-var! "clojure.core" "remove-watch" jolt-remove-watch)
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(def-var! "clojure.core" "set-validator!" jolt-set-validator!)
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(def-var! "clojure.core" "get-validator" jolt-get-validator)
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;; volatiles: a Chez volatile is a jvol record, but the overlay vreset!/vswap!/
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;; volatile? drive it via jolt.host/ref-put!+get / :jolt/type (tagged-table only).
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;; Override with the native versions (defined in natives-xform.ss).
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(def-var! "clojure.core" "vreset!" jolt-vreset!)
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(def-var! "clojure.core" "vswap!" jolt-vswap!)
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(def-var! "clojure.core" "volatile?" jolt-volatile-pred?)
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;; bound?: the overlay reads (get v :root) — nil on a Chez var-cell record, so it
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;; would wrongly report every var unbound. Native version (defined in vars.ss).
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(def-var! "clojure.core" "bound?" jolt-bound?)
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;; uuid?/random-uuid/parse-uuid/tagged-literal? are overlay (read :jolt/type or
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;; build tagged tables) — re-assert the native versions (defined in natives-misc.ss).
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(def-var! "clojure.core" "uuid?" jolt-uuid-pred?)
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(def-var! "clojure.core" "random-uuid" jolt-random-uuid)
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(def-var! "clojure.core" "parse-uuid" jolt-parse-uuid)
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(def-var! "clojure.core" "tagged-literal?" jolt-tagged-literal-pred?)
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;; ns-name: the overlay reads (get ns :name) — nil on a jns namespace record.
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;; Native version (defined in ns.ss) returns the namespace's name symbol.
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(def-var! "clojure.core" "ns-name" jolt-ns-name)
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;; concurrency (jolt-byjr): the overlay's future-done?/future-cancelled?/realized?
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;; read a Janet future-map's :cached/:cancelled keys, and promise/deliver are a
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;; non-blocking atom shim. A Chez future/promise is a record, and we want JVM
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;; (blocking, shared-heap) semantics — re-assert the native versions. realized?
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;; wraps the overlay (which still handles delay/lazy-seq/atom) for non-futures.
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(def-var! "clojure.core" "future-done?" jolt-native-future-done?)
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(def-var! "clojure.core" "future-cancelled?" jolt-native-future-cancelled?)
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(def-var! "clojure.core" "future?" jolt-future?)
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(def-var! "clojure.core" "promise" jolt-promise-new)
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(def-var! "clojure.core" "deliver" jolt-deliver)
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;; agents: the overlay (50-io) is a synchronous shim (agent = atom, send applies
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;; immediately). Re-assert the native async agents (per-agent serialized worker),
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;; matching the JVM. await/restart-agent are new (the overlay has neither).
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(def-var! "clojure.core" "agent" jolt-agent-new)
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(def-var! "clojure.core" "agent?" jolt-agent?)
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(def-var! "clojure.core" "send" jolt-agent-send)
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(def-var! "clojure.core" "send-off" jolt-agent-send)
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(def-var! "clojure.core" "await" jolt-agent-await)
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(def-var! "clojure.core" "agent-error" jolt-agent-error)
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(def-var! "clojure.core" "restart-agent" jolt-agent-restart)
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(def-var! "clojure.core" "deref" jolt-deref)
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(let ((overlay-realized? (var-deref "clojure.core" "realized?")))
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(def-var! "clojure.core" "realized?"
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(lambda (x)
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(if (or (jolt-future? x) (jolt-promise? x) (jolt-delay? x))
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(jolt-conc-realized? x)
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(jolt-invoke overlay-realized? x)))))
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;; clojure.edn/read over a reader: the overlay edn.clj drain-reader uses janet/type;
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;; the native Chez version (io.ss) drains the jhost reader instead (jolt-uicd/jolt-7t3l).
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(def-var! "clojure.edn" "read"
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(case-lambda
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((reader) (chez-edn-read reader))
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((opts reader) (chez-edn-read reader))))
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