5101ada8e0
__bit-and/or/xor/and-not + bit-not/shift/set/clear/test/flip + unsigned-bit- shift-right + parse-long/parse-double were unshimmed seed natives (jolt-nil). Bit ops coerce the all-flonum operands to exact ints, operate, return flonums. parse-* match the seed's strict shapes (nil on malformed, throw on non-string). Prelude parity 1593 -> 1652 (inc B+C), 0 new divergences; 3 print-method/def- returns-var cases moved crash->allowlist. jolt-cf1q.3.
161 lines
8.2 KiB
Text
161 lines
8.2 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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"values evaluate in source order" true
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"keys evaluate before their values, pairwise" true
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"source order with a nil value (phm form)" true
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"close on throw" true
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"ns-name of *ns*" true
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"str of *ns*" true
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"*ns* user" true
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"str of a var" true
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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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# - def returns the VALUE on Chez, not the var (#'ns/name) — def-returns-var
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# is a later increment; (pr-str (def x 1)) -> "1" not "#'user/x"
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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" true
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"pr-str of a defn" true
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"atom override fires nested" 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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# Strided runs scale down.
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(def base-floor (scan-number (or (os/getenv "JOLT_CHEZ_PRELUDE_FLOOR") "1652")))
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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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