32e2d8bd58
Reimplement the ctx-coupled seed ns natives over the rt.ss var-table, since Chez has no ctx. host/chez/ns.ss adds a jns namespace value + a registry and binds find-ns/the-ns/create-ns/in-ns/all-ns/ns-publics/ns-map/ns-interns/ ns-aliases/resolve/find-var/ns-unmap/*ns* into clojure.core. The resolve friction: native-ops (+, map, …) are inlined at emit so they have no var-cell, and (resolve '+) was nil — diverging from Clojure where it's a var. Added a defined? flag to the var-cell record (set by def-var!/declare-var!, left false on a lazily-materialised forward ref) and def-var!'d every native-op name to its value-position proc, so resolve returns the cell iff genuinely defined. ns-unmap clears the flag. resolve never interns an empty cell (var-cell-lookup is non-creating). ns-name is overridden natively in post-prelude (the overlay reads (get ns :name), nil on a jns record); the printers render a namespace as its name. *ns* binds to the user ns; in-ns re-binds it. use/require cross-ns switching stays deferred to Phase 3 (the analyzer bakes a def's target ns at compile time). Prelude parity 1951 -> 1969, 0 new divergences; four now-passing allowlist entries dropped (ns *ns* cases + str-of-a-var). New focused gate test/chez/ _ns.janet (19 cases, expectations from the JVM-canonical build/jolt).
53 lines
2.3 KiB
Text
53 lines
2.3 KiB
Text
# -e-capable jolt-chez (jolt-9ziu): the Option-2 back end as a runnable CLI.
|
|
#
|
|
# Analysis runs on Janet (the portable analyzer); EXECUTION runs on Chez with the
|
|
# full clojure.core assembled as a Scheme prelude (driver/emit-core-prelude). The
|
|
# prelude is assembled once and cached on disk keyed by a fingerprint of the core
|
|
# sources + the Chez RT/emitter, so repeated invocations (e.g. the run-corpus.janet
|
|
# gate, one subprocess per case) reuse it.
|
|
#
|
|
# Usage (the run-corpus.janet boundary): jolt-chez -e "EXPR"
|
|
# Run from the repo root (the prelude loads host/chez/rt.ss by relative path).
|
|
(import ../../src/jolt/api :as api)
|
|
(import ./driver :as d)
|
|
|
|
(defn- fingerprint []
|
|
# Hash the inputs that shape the prelude: the core tiers + the emitter + the
|
|
# Chez RT shims. Any change invalidates the cached prelude.
|
|
(def parts @[])
|
|
(each tf d/core-tier-files
|
|
(array/push parts (slurp (string "jolt-core/clojure/core/" tf ".clj"))))
|
|
(each f ["host/chez/emit.janet" "host/chez/driver.janet" "host/chez/rt.ss"
|
|
"host/chez/values.ss" "host/chez/collections.ss" "host/chez/seq.ss"
|
|
"host/chez/atoms.ss" "host/chez/predicates.ss" "host/chez/regex.ss"
|
|
"host/chez/ns.ss" "host/chez/post-prelude.ss"]
|
|
(array/push parts (slurp f)))
|
|
(string/slice (string (hash (string/join parts))) 0))
|
|
|
|
(defn- ensure-prelude [ctx]
|
|
(def dir (or (os/getenv "JOLT_IMAGE_CACHE_DIR") (os/getenv "TMPDIR") "/tmp"))
|
|
(def path (string dir "/jolt-chez-prelude-" (fingerprint) ".ss"))
|
|
(unless (os/stat path)
|
|
(def [scm _ _] (d/emit-core-prelude ctx))
|
|
(spit path scm))
|
|
path)
|
|
|
|
(defn main [& argv]
|
|
# argv: [script "-e" EXPR]
|
|
(def args (drop 1 argv))
|
|
(unless (and (= (length args) 2) (= (first args) "-e"))
|
|
(eprint "usage: jolt-chez -e EXPR")
|
|
(os/exit 2))
|
|
(def src (in args 1))
|
|
(def ctx (api/init-cached {:compile? true}))
|
|
# late-bind unresolved symbols (no interpreter to punt to) so defmulti/defmethod
|
|
# forward references lower to a var-deref (jolt-9ls5), matching d/make-ctx.
|
|
(put (get ctx :env) :late-bind-unresolved? true)
|
|
(def prelude-path (ensure-prelude ctx))
|
|
(def [code out err] (d/eval-e-with-prelude ctx src prelude-path))
|
|
(when (= code :emit-err)
|
|
(eprint "jolt-chez: cannot compile: " out)
|
|
(os/exit 1))
|
|
(unless (= "" out) (print out))
|
|
(unless (= "" err) (eprint err))
|
|
(os/exit code))
|