1f96351acb
The analyzer lowers the `.` special form (. target member arg*) and the
.-field field-access head to a :host-call instead of leaving them
uncompilable. Janet behaviour is unchanged — its back end punts :host-call
to the interpreter, which re-runs the original `.` form via eval-dot.
The Chez back end routes a non-shimmed :host-call through
record-method-dispatch, extended by a new host/chez/dot-forms.ss with the
arms dispatch-member covers but the record/string base did not, mirroring
src/jolt/interop/collections.janet precedence:
- collection interop first (count/seq/nth/get/valAt/containsKey on a
vector/map/set), so (. {:count 9} count) is the entry count like the seed
- field access for a "-name" member (records and maps)
- the seed's universal object-methods (getMessage/getCause/toString/
hashCode/equals) on a non-record map, winning over a field lookup
- non-record map member: a stored fn is a method called with self, else
the field value
Raw seqs are excluded from coll interop — the seed's behaviour there is
representation-dependent (plain (seq v) vs a lazy-seq) and a normalized cseq
can't mirror it. Also added getMessage/getLocalizedMessage/equals to the
string method surface so a thrown string / Exception. ctor (which keeps the
message string) answers .getMessage.
Parity 2134 -> 2150, 0 new divergences. New test/chez/_dotform.janet 26/26;
emit-test 331/331.
248 lines
15 KiB
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248 lines
15 KiB
Text
# Phase 1 (jolt-cf1q.2, inc 3j) — FULL parity against the -e-capable jolt-chez.
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#
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# run-corpus-chez.janet measures parity for the SUBSET the back end can compile
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# without any clojure.core present (most cases are "out of subset" because they
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# call core fns). This runner closes that gap: it assembles the ENTIRE non-macro
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# clojure.core as a Scheme prelude (driver/emit-core-prelude — def-var! forms in
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# tier dependency order), loads it before each case, and emits the case in
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# prelude mode so every core ref resolves via var-deref. That is exactly the
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# -e-capable jolt-chez the milestone calls for, measured in-process (one ctx,
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# prelude assembled once) rather than via a spawned binary per case.
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#
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# With all of core available, "out of subset" collapses to genuine emit failures
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# (host interop / unsupported IR). The new signal is RUNTIME parity: a case that
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# emits but crashes (a missing/blank runtime prim — a lazy gap) or returns a
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# wrong value (a divergence). The report buckets these so the gaps form a
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# punch-list for the next increments.
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# JOLT_CHEZ_PRELUDE_CORPUS=1 janet test/chez/run-corpus-prelude.janet
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# JOLT_CORPUS_LIMIT=200 … (every-Nth stride, fast)
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(import ../../host/chez/driver :as d)
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(unless (os/getenv "JOLT_CHEZ_PRELUDE_CORPUS")
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(print "skip: set JOLT_CHEZ_PRELUDE_CORPUS=1 to run the prelude parity gate")
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(os/exit 0))
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(unless (d/chez-available?)
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(print "skip: chez not on PATH")
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(os/exit 0))
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(def corpus (parse (slurp "test/chez/corpus.edn")))
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(def cases
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(if-let [n (os/getenv "JOLT_CORPUS_LIMIT")]
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(let [stride (max 1 (math/floor (/ (length corpus) (scan-number n))))]
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(seq [i :range [0 (length corpus) stride]] (in corpus i)))
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corpus))
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# Known divergences: cases that emit + run on Chez but yield a non-canonical
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# value because of a gap beyond this increment. The gate fails only on a NEW
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# (un-allowlisted) divergence — a real Chez correctness regression. Each here is
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# a deferred Phase-2 / dynamic-var / eval-order gap, NOT a wrong shim:
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# - class names ((class x), .getName) — no Chez class system yet (Phase 2)
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# - *ns* / *clojure-version* / *unchecked-math* — dynamic vars not bound on Chez
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# - eval-order probes — assert left-to-right side-effect order via host state
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# the emitted Scheme doesn't yet reproduce
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# - close on throw — with-open/finally resource close semantics
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(def known-divergences
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{"class name evaluates to canonical string" true
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"dispatch-only class name" true
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"inside class" true
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# (the collection-literal eval-order entries here — "values evaluate in source
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# order" / "keys evaluate before their values" / "source order with a nil value"
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# — were REMOVED in jolt-avt6: emit now evaluates vector/set/map literal
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# elements left-to-right via emit-ordered, so they pass.)
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"close on throw" true
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# *ns* now a namespace value (jolt-yxqm): str/ns-name of *ns* + the var str
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# case ("ns-name of *ns*" / "str of *ns*" / "*ns* user" / "str of a var") pass.
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# *clojure-version* / *unchecked-math* now bound by dynamic-vars.ss (inc 3r)
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# (str [##Inf]) wants "[Infinity]" but the Chez -e printer (jolt-pr-str, which
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# str falls back to for collections) renders inf as "inf" — str needs a
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# recursive long-form renderer, the Phase-2 canonical printer. Top-level
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# (str ##Inf) -> "Infinity" already works (jolt-str-render-one).
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"inf inside coll" true
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# Phase 2 inc B (jolt-9zhh) made pr-str run; these now render via the readable
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# FALLBACK instead of the seed's print-method / var semantics — separate gaps:
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# - a custom (defmethod print-method ...) isn't consulted by the Chez printer
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# (print-method multimethod integration is deferred)
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# (pr-str of a var / defn now PASS — inc I made def return the var #'ns/name.)
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"atom override fires nested" true
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# Phase 2 inc D (jolt-jgoc) made records run; pr-str of a record uses the
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# built-in #ns.Name{...} form, not a user (defmethod print-method 'ns.Name …)
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# — the printer doesn't consult the print-method multimethod yet (deferred).
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"defmethod overrides a record, top level" true
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"defmethod fires nested in a map" true
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"defmethod fires through prn" true
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# Same print-method gap, newly REACHABLE in jolt-avt6: StringWriter now
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# constructs, so (defmethod print-method :number ...) + (print-method 42 w)
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# runs — but print-method's multimethod override on a builtin isn't consulted,
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# so the StringWriter holds "42" not "#42#". (The :default print-method path —
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# "StringWriter accumulates" / "direct call uses :default" — does pass now.)
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"direct builtin override" true
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# var def-time metadata (^:private / ^Type tag / docstring) is now captured on
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# the Chez var-cell (jolt-zikh), so those three cases pass.
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"methods table inspectable" true
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# jolt-nfca made (require ...) a runtime no-op (the driver pre-evals requires
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# for aliases), and the clojure.string prelude tier now loads — which makes
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# these previously-CRASHING cases emit + run, surfacing pre-existing gaps:
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# - the read-line trio ([(read-line) (read-line)]) now PASSES: jolt-avt6's
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# emit-ordered evaluates the two vector elements left-to-right, so the lines
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# no longer come back swapped (the entries were removed here).
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# - (instance? clojure.lang.Atom (atom 0)): the fully-qualified host class name
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# clojure.lang.Atom isn't mapped to the atom predicate on Chez (host-class
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# interop, jolt-mn9o/avt6). Reachable now that the leading require is a no-op.
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"atom?" true})
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(def ctx (d/make-ctx))
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# Assemble the prelude once and write it to a file the per-case programs `load`.
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(def t0 (os/clock))
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(def [prelude-scm emitted total] (d/emit-core-prelude ctx))
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(def prelude-path (string "/tmp/jolt-chez-prelude-" (os/getpid) ".ss"))
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(spit prelude-path prelude-scm)
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(printf "prelude: %d/%d non-macro core forms emitted (%.1fs, %d bytes) -> %s"
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emitted total (- (os/clock) t0) (length prelude-scm) prelude-path)
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(flush)
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(var pass 0)
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(def emit-errs @[]) # user form can't emit (host interop / unsupported IR)
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(def crashes @[]) # emitted, chez exited non-zero (lazy runtime gap or bug)
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(def diverged @[]) # emitted + ran, NEW wrong value (fails the gate)
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(def known-hit @[]) # emitted + ran, allowlisted wrong value (tolerated)
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(def crash-keys @{}) # grouped crash reason -> count
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(def emit-keys @{}) # grouped emit-failure reason -> count
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(defn- bucket [tbl k] (put tbl k (+ 1 (or (get tbl k) 0))))
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(defn- crash-reason [err]
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(def e (string err))
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(if-let [i (string/find "Exception" e)]
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(string/slice e i (min (length e) (+ i 70)))
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(string/slice e 0 (min 60 (length e)))))
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(defn- emit-reason [msg]
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(def m (string msg))
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(cond
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(string/find "out of subset" m) (let [i (string/find "`" m)]
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(if i (string "core fn: " (string/slice m (inc i) (or (string/find "`" m (inc i)) (length m)))) "out-of-subset"))
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(string/find "host" m) "host-interop"
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(string/find "unhandled op" m) (string/slice m (max 0 (- (length m) 28)))
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(string/slice m 0 (min 48 (length m)))))
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(def t1 (os/clock))
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(each row cases
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(def {:expected e :actual a :label l} row)
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(if (= e :throws)
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nil # :throws error-semantics aren't modeled here; skip (counted out of run)
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(let [src (string "(= " e " " a ")")
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res (d/eval-e-with-prelude ctx src prelude-path)]
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(cond
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(= (get res 0) :emit-err)
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(let [k (emit-reason (get res 1))] (bucket emit-keys k) (array/push emit-errs [l k]))
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(not= (get res 0) 0)
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(let [k (crash-reason (get res 2))] (bucket crash-keys k) (array/push crashes [l k]))
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(= (get res 1) "true") (++ pass)
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(known-divergences l) (array/push known-hit l)
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(array/push diverged [l (string "got " (get res 1))])))))
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(def n-eval (+ pass (length emit-errs) (length crashes) (length diverged) (length known-hit)))
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(printf "\nPrelude parity: %d/%d evaluated cases pass (%.1fs)" pass n-eval (- (os/clock) t1))
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(printf " emit-fail (out of subset): %d runtime crash: %d NEW divergence: %d known divergence: %d"
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(length emit-errs) (length crashes) (length diverged) (length known-hit))
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(defn- report [title tbl]
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(when (> (length tbl) 0)
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(printf "\n%s:" title)
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(each k (sort-by (fn [k] (- (get tbl k))) (keys tbl))
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(printf " %4d x %s" (get tbl k) k))))
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(report "emit-failure reasons" emit-keys)
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(report "runtime-crash reasons" crash-keys)
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(when (> (length diverged) 0)
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(printf "\nNEW divergences (emit+ran, wrong value) — gate FAILS:")
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(each [l m] (slice diverged 0 (min 30 (length diverged)))
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(printf " [%s] %s" l m)))
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(when (> (length known-hit) 0)
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(printf "\n%d known (allowlisted) divergences tolerated." (length known-hit)))
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(flush)
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# Regression floor (inc 3j baseline): raise as runtime gaps close, like the probe
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# reach-floor and the suite baseline. The gate fails if parity drops below it, or
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# on any NEW (un-allowlisted) divergence — a real Chez correctness regression.
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# Full-corpus baseline: inc 3j 1220/2497; 3k (converters) 1326; 3l (transients)
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# 1382; 3m (numeric-edge emit + variadic assoc!) 1407; 3n (seq-native shims +
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# reduced) 1467; 3o (transducer arities) 1493; 3p (misc seq/regex gaps) 1506;
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# 3q (multimethod dispatch + late-bind) 1530; 3r (dynamic-var constants) 1532;
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# 3x (non-ASCII string literals, jolt-x0os) + 3y (seed assoc! odd-args -> :throws,
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# jolt-ea9k) 1534 (total evaluated drops as the 3 odd-arg rows become :throws).
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# Phase 2 inc A (jolt-agw6: collection ctors set/hash-map/hash-set/array-map +
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# rand + real map entries / key / val / map-entry?) 1593.
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# Phase 2 inc B (jolt-9zhh: readable printer + __pr-str1/__write/__with-out-str
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# -> pr-str/pr/prn/print/println/*-str family) + inc C (bit ops + parse-long/
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# parse-double) 1652.
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# Phase 2 inc D (jolt-jgoc: records + protocols — defrecord/deftype/defprotocol/
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# extend-type/reify; jrec type + protocol registry/dispatch; emit routes record
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# .method dot-calls to runtime dispatch) 1701.
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# Phase 2 inc E (jolt-rkbc: meta / with-meta over an identity-keyed side-table +
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# symbol reader-meta carried through quote emit) 1723.
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# Phase 2 inc F (jolt-0zoy: jolt.host/tagged-table/ref-put!/ref-get over a Chez
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# mutable htable + the 25-sorted tier routed through each value's :ops table —
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# sorted-map/sorted-set/subseq/rsubseq + sorted equality; unblocks sorted? and
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# every fn that calls it: empty/ifn?/reversible?/map?/set?/coll?. Also an emit fix
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# routing a computed call operator ((sorted-map …) k) through jolt-invoke) 1837.
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# Phase 2 inc G (jolt-dmw9: lazy-seq bridge — make-lazy-seq / coll->cells over the
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# cseq model + a jolt-lazyseq arm on the non-jolt-seq dispatchers (sequential?/=/
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# hash/count/empty?/nth/printers); jolt-concat made fully lazy so a self-
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# referential lazy-cat (fib) stays productive. Unblocks repeat/iterate/cycle/
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# dedupe/take-nth/keep/interpose/reductions/map-indexed/distinct/interleave/
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# tree-seq->flatten/partition-all/lazy-cat) 1886.
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# Phase 2 inc H (jolt-xjx6: native volatiles (jvol) + sequence/transduce over the
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# existing into-xform/reduce-seq — unblocks (sequence xform coll), (transduce
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# xform f coll), and the stateful transducer xforms take-nth/map-indexed/
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# partition-by that drive a volatile) 1898.
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# Phase 2 inc I (jolt-n7rz: first-class vars — emit :the-var to the rt.ss var-cell
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# + var?/var-get/deref/invoke/=/pr-str + bound?; def now RETURNS the var (#'ns/name)
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# matching Clojure, which also un-allowlists pr-str-of-var/defn) and inc J
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# (jolt-snry: scalar natives — UUID random-uuid/parse-uuid/uuid?, format/printf,
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# tagged-literal, bigint) 1951.
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# jolt-yxqm (namespace value model — find-ns/ns-name/all-ns/resolve/ns-publics/
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# in-ns/*ns* over the var-table + a jns ns value; native-op var cells so
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# (resolve '+) is a var; *ns* bound to the user ns) 1969.
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# jolt-zikh (var def-time metadata — :def emit passes reader meta to
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# def-var-with-meta!; (meta (var v)) is {:ns :name} + ^:private/^Type tag/
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# docstring) 1972.
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# jolt-2o7x (dynamic var binding — the per-thread binding stack +
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# binding/with-bindings*/var-set/thread-bound?/with-local-vars/with-redefs/
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# bound-fn*/get-thread-bindings/alter-var-root; var-deref + jolt-var-get chained
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# onto the stack. Also fixed seq? to recognize a lazy-seq, which unblocked
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# with-in-str/line-seq) 2000.
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# jolt-fmm4 ((type x) — :type meta override, record ns-qualified class-name
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# symbol, total value->taxonomy keyword mapping) 2002.
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# jolt-nfca (host java.lang.String method interop — jolt-string-method, the
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# portable String/CharSequence surface record-method-dispatch falls through to on
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# a string target: case/trim/length/indexOf/substring/startsWith/contains/replace/
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# charAt/equalsIgnoreCase + the regex methods matches/replaceAll/replaceFirst/
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# split) 2026.
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# jolt-nfca cont. (clojure.string namespace — the driver pre-evals (require ...)
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# so an aliased ref like s/split resolves at analyze time; clojure.string.clj is
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# emitted as a prelude tier over the str-* primitives (str-upper/lower/trim/find/
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# join/split/replace/replace-all/reverse-b) def-var!'d on the RT; regex split
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# keeps interior empties + honors limit, regex replace does $N + fn replacement;
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# require/use are runtime no-ops) 2078.
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# jolt-avt6 (host class statics + constructors — the analyzer lowers Class/member
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# to :host-static and (Class. ...)/(new Class ...) to :host-new; the Chez RT
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# resolves them from class-statics/class-ctors/jhost-method registries
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# (host-static.ss): Math/System/Long/Integer/Boolean/Character/String/Thread/Class
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# statics, Pattern compile/quote/MULTILINE, URLEncoder/Decoder, Base64, the Number
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# method surface (byteValue/intValue/...), and the StringBuilder/StringWriter/
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# StringReader/PushbackReader/HashMap/StringTokenizer/BigInteger/String/MapEntry/
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# exception constructors. Also emit now evaluates collection-literal elements
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# left-to-right (emit-ordered), which un-allowlisted the 6 eval-order cases.
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# java.time formatting / edn-read-over-readers / slurp-over-readers deferred) 2134.
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# jolt-kuic (the `.` special form + `.-field` desugar — the analyzer lowers
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# (. target member arg*) and (.-field target) to :host-call; the Chez RT
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# dispatches them through record-method-dispatch, extended by dot-forms.ss with
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# collection interop (count/nth/get/valAt/containsKey), field access, non-record
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# map member dispatch, and the seed's universal object-methods getMessage/getCause/
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# toString/hashCode/equals. Also added getMessage/getLocalizedMessage/equals to the
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# string method surface so a thrown string / Exception. ctor answers .getMessage) 2150.
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# Strided runs scale down.
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(def base-floor (scan-number (or (os/getenv "JOLT_CHEZ_PRELUDE_FLOOR") "2150")))
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(def floor (if (os/getenv "JOLT_CORPUS_LIMIT") 0 base-floor))
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(when (or (> (length diverged) 0) (< pass floor))
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(printf "REGRESSION: pass %d < floor %d or %d new divergence(s)" pass floor (length diverged)))
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(os/exit (if (or (> (length diverged) 0) (< pass floor)) 1 0))
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