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(. obj :kw) is a keyword lookup (JVM parity)

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The . special form rejected a non-symbol member; a keyword member now lowers to
an invoke of the keyword on the target ((. {:value 41} :value) => 41, as on the
JVM). Added a form-keyword? contract seam. Corpus 2692->2693. Re-minted.
This commit is contained in:
Yogthos 2026-06-21 17:13:40 -04:00
parent 45596d7239
commit 31a453d492
4 changed files with 16 additions and 10 deletions
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2
host/chez/host-contract.ss
View file

@ -51,6 +51,7 @@
(or (pset? x)
(and (pmap? x) (eq? (jolt-get x hc-kw-jolt-type) hc-kw-jolt-set))))
(define (hc-char? x) (char? x))
(define (hc-keyword? x) (keyword? x))
(define (hc-literal? x)
(or (jolt-nil? x) (boolean? x) (number? x) (string? x) (keyword-t? x) (char? x)))
@ -286,6 +287,7 @@
(def-var! "jolt.host" "form-char?" hc-char?)
(def-var! "jolt.host" "form-char-code" hc-char-code)
(def-var! "jolt.host" "form-literal?" hc-literal?)
(def-var! "jolt.host" "form-keyword?" hc-keyword?)
(def-var! "jolt.host" "form-regex?" hc-regex?)
(def-var! "jolt.host" "form-inst?" hc-inst?)
(def-var! "jolt.host" "form-uuid?" hc-uuid?)

4
host/chez/run-corpus.ss
View file

@ -11,7 +11,7 @@
;; reset between cases so there is no leakage — same isolation a fresh process gives.
;;
;; chez --script host/chez/run-corpus.ss
;; JOLT_CHEZ_ZJ_FLOOR=N override the regression floor (default 2692)
;; JOLT_CHEZ_ZJ_FLOOR=N override the regression floor (default 2693)
;; JOLT_CORPUS_LIMIT=N every-Nth stride (fast iteration; floor drops to 0)
;; JOLT_DUMP_CRASH_LABELS=1 list crash + allowlisted labels
(import (chezscheme))
@ -203,7 +203,7 @@
;; Regression floor: fail on any NEW divergence or if pass drops below the floor.
(define base-floor (let ((s (getenv "JOLT_CHEZ_ZJ_FLOOR")))
(if s (string->number s) 2692)))
(if s (string->number s) 2693)))
(define floor (if limit 0 base-floor))
(when (or (> (length diverged) 0) (< pass floor))
(printf "REGRESSION: pass ~a < floor ~a or ~a new divergence(s)\n"

2
host/chez/seed/image.ss
View file

@ -91,7 +91,7 @@
(guard (e (#t #f))
(def-var! "jolt.analyzer" "analyze-ctor" (letrec ((analyze-ctor (lambda (ctx class args env) (let fnrec1631 ((ctx ctx) (class class) (args args) (env env)) (jolt-invoke (var-deref "jolt.ir" "host-new") class (jolt-invoke (var-deref "clojure.core" "mapv") (lambda (p__52_) (let fnrec1632 ((p__52_ p__52_)) (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx p__52_ env))) args)))))) analyze-ctor)))
(guard (e (#t #f))
(def-var! "jolt.analyzer" "analyze-dot" (letrec ((analyze-dot (lambda (ctx items env) (let fnrec1633 ((ctx ctx) (items items) (env env)) (begin (if (< (jolt-count items) 3) (jolt-throw (jolt-invoke (var-deref "clojure.core" "str") "Malformed (. target member ...) form")) jolt-nil) (let* ((member (jolt-nth items 2))) (if (jolt-truthy? (jolt-invoke (var-deref "jolt.host" "form-sym?") member)) (let* ((_o$1635 (keyword #f "op")) (_o$1636 (keyword #f "host-call")) (_o$1637 (keyword #f "method")) (_o$1638 (jolt-invoke (var-deref "jolt.host" "form-sym-name") member)) (_o$1639 (keyword #f "target")) (_o$1640 (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx (jolt-nth items 1) env)) (_o$1641 (keyword #f "args")) (_o$1642 (jolt-invoke (var-deref "clojure.core" "mapv") (lambda (p__53_) (let fnrec1634 ((p__53_ p__53_)) (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx p__53_ env))) (jolt-drop 3 items)))) (jolt-hash-map _o$1635 _o$1636 _o$1637 _o$1638 _o$1639 _o$1640 _o$1641 _o$1642)) (jolt-invoke (var-deref "jolt.analyzer" "uncompilable") "special form . (non-symbol member)")))))))) analyze-dot)))
(def-var! "jolt.analyzer" "analyze-dot" (letrec ((analyze-dot (lambda (ctx items env) (let fnrec1633 ((ctx ctx) (items items) (env env)) (begin (if (< (jolt-count items) 3) (jolt-throw (jolt-invoke (var-deref "clojure.core" "str") "Malformed (. target member ...) form")) jolt-nil) (let* ((member (jolt-nth items 2))) (if (jolt-truthy? (jolt-invoke (var-deref "jolt.host" "form-sym?") member)) (let* ((_o$1635 (keyword #f "op")) (_o$1636 (keyword #f "host-call")) (_o$1637 (keyword #f "method")) (_o$1638 (jolt-invoke (var-deref "jolt.host" "form-sym-name") member)) (_o$1639 (keyword #f "target")) (_o$1640 (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx (jolt-nth items 1) env)) (_o$1641 (keyword #f "args")) (_o$1642 (jolt-invoke (var-deref "clojure.core" "mapv") (lambda (p__53_) (let fnrec1634 ((p__53_ p__53_)) (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx p__53_ env))) (jolt-drop 3 items)))) (jolt-hash-map _o$1635 _o$1636 _o$1637 _o$1638 _o$1639 _o$1640 _o$1641 _o$1642)) (if (jolt-truthy? (jolt-invoke (var-deref "jolt.host" "form-keyword?") member)) (jolt-invoke (var-deref "jolt.ir" "invoke") (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx member env) (jolt-vector (jolt-invoke (var-deref "jolt.analyzer" "analyze") ctx (jolt-nth items 1) env))) (if (jolt-truthy? (keyword #f "else")) (jolt-invoke (var-deref "jolt.analyzer" "uncompilable") "special form . (non-symbol member)") jolt-nil))))))))) analyze-dot)))
(guard (e (#t #f))
(def-var! "jolt.analyzer" "field-head?" (letrec ((field-head? (lambda (nm) (let fnrec1643 ((nm nm)) (let* ((and__13__auto (> (jolt-count nm) 2))) (if (jolt-truthy? and__13__auto) (jolt= ".-" (jolt-invoke (var-deref "clojure.core" "subs") nm 0 2)) and__13__auto)))))) field-head?)))
(guard (e (#t #f))