Fix hydration: effect was a no-op primitive, bytecode compiler emitted CALL_PRIM

Root cause: sx_primitives.ml registered "effect" as a native no-op (for SSR).
The bytecode compiler's (primitive? "effect") returned true, so it emitted
OP_CALL_PRIM instead of OP_GLOBAL_GET + OP_CALL. The VM's CALL_PRIM handler
found the native Nil-returning stub and never called the real effect function
from core-signals.sx.

Fix: Remove effect and register-in-scope from the primitives table. The server
overrides them via env_bind in sx_server.ml (after compilation), which doesn't
affect primitive? checks.

Also: VM CALL_PRIM now falls back to cek_call for non-NativeFn values (safety
net for any other functions that get misclassified).

15/15 source mode, 15/15 bytecode mode.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-03-31 16:56:31 +00:00
parent 4cb4551753
commit a7efcaf679
28 changed files with 232 additions and 199 deletions

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@@ -342,11 +342,16 @@
(=
(dom-get-attr old-node "data-sx-island")
(dom-get-attr new-node "data-sx-island")))
(morph-island-children old-node new-node)
(do
(sync-attrs old-node new-node)
(morph-island-children old-node new-node))
(or
(not (= (dom-node-type old-node) (dom-node-type new-node)))
(not (= (dom-node-name old-node) (dom-node-name new-node))))
(dom-replace-child (dom-parent old-node) (dom-clone new-node) old-node)
(dom-replace-child
(dom-parent old-node)
(dom-clone new-node true)
old-node)
(or (= (dom-node-type old-node) 3) (= (dom-node-type old-node) 8))
(when
(not (= (dom-text-content old-node) (dom-text-content new-node)))
@@ -411,25 +416,37 @@
(let
((old-kids (dom-child-list old-parent))
(new-kids (dom-child-list new-parent))
(old-by-id
(reduce
(fn
((acc :as dict) kid)
(let
((id (let ((raw (dom-id kid))) (if (empty? raw) nil raw))))
(if id (do (dict-set! acc id kid) acc) acc)))
(dict)
old-kids))
(oi 0))
(old-by-id (dict))
(old-idx-by-id (dict))
(consumed (dict))
(oi 0)
(idx 0))
(for-each
(fn
(kid)
(let
((id (dom-id kid)))
(when
(and id (not (empty? id)))
(dict-set! old-by-id id kid)
(dict-set! old-idx-by-id id idx)))
(set! idx (inc idx)))
old-kids)
(for-each
(fn
(new-child)
(let
((match-id (let ((raw-id (dom-id new-child))) (if (empty? raw-id) nil raw-id)))
((raw-id (dom-id new-child))
(match-id (if (and raw-id (not (empty? raw-id))) raw-id nil))
(match-by-id (if match-id (dict-get old-by-id match-id) nil)))
(cond
(and match-by-id (not (nil? match-by-id)))
(do
(let
((matched-idx (dict-get old-idx-by-id match-id)))
(when
matched-idx
(dict-set! consumed (str matched-idx) true)))
(when
(and
(< oi (len old-kids))
@@ -443,20 +460,25 @@
(< oi (len old-kids))
(let
((old-child (nth old-kids oi)))
(if
(and (not (empty? (dom-id old-child))) (not match-id))
(dom-insert-before
old-parent
(dom-clone new-child)
old-child)
(do (morph-node old-child new-child) (set! oi (inc oi)))))
:else (dom-append old-parent (dom-clone new-child)))))
(let
((old-id (dom-id old-child)))
(if
(and old-id (not (empty? old-id)) (not match-id))
(dom-insert-before
old-parent
(dom-clone new-child true)
old-child)
(do
(dict-set! consumed (str oi) true)
(morph-node old-child new-child)
(set! oi (inc oi))))))
:else (dom-append old-parent (dom-clone new-child true)))))
new-kids)
(for-each
(fn
((i :as number))
(i)
(when
(>= i oi)
(not (dict-get consumed (str i)))
(let
((leftover (nth old-kids i)))
(when
@@ -465,7 +487,7 @@
(not (dom-has-attr? leftover "sx-preserve"))
(not (dom-has-attr? leftover "sx-ignore")))
(dom-remove-child old-parent leftover)))))
(range oi (len old-kids))))))
(range 0 (len old-kids))))))
(define
morph-island-children
@@ -588,7 +610,7 @@
(morph-children target wrapper)))
"outerHTML"
(let
((parent (dom-parent target)) (new-el (dom-clone new-nodes)))
((parent (dom-parent target)) (new-el (dom-clone new-nodes true)))
(if
(dom-is-fragment? new-nodes)
(let
@@ -596,7 +618,7 @@
(if
fc
(do
(set! new-el (dom-clone fc))
(set! new-el (dom-clone fc true))
(dom-replace-child parent new-el target)
(let
((sib (dom-next-sibling fc)))

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@@ -1,3 +1,3 @@
(sxbc 1 "57726b5b82c1a3cb"
(code
:constants ("assert-signal-value" {:upvalue-count 0 :arity 2 :constants ("deref" "assert=" "str" "Expected signal value " ", got ") :bytecode (20 0 0 16 0 48 1 17 2 20 1 0 16 2 16 1 1 3 0 16 1 1 4 0 16 2 52 2 0 4 49 3 50)} "assert-signal-has-subscribers" {:upvalue-count 0 :arity 1 :constants ("assert" ">" "len" "signal-subscribers" 0 "Expected signal to have subscribers") :bytecode (20 0 0 20 3 0 16 0 48 1 52 2 0 1 1 4 0 52 1 0 2 1 5 0 49 2 50)} "assert-signal-no-subscribers" {:upvalue-count 0 :arity 1 :constants ("assert" "=" "len" "signal-subscribers" 0 "Expected signal to have no subscribers") :bytecode (20 0 0 20 3 0 16 0 48 1 52 2 0 1 1 4 0 52 1 0 2 1 5 0 49 2 50)} "assert-signal-subscriber-count" {:upvalue-count 0 :arity 2 :constants ("len" "signal-subscribers" "assert=" "str" "Expected " " subscribers, got ") :bytecode (20 1 0 16 0 48 1 52 0 0 1 17 2 20 2 0 16 2 16 1 1 4 0 16 1 1 5 0 16 2 52 3 0 4 49 3 50)} "simulate-signal-set!" {:upvalue-count 0 :arity 2 :constants ("reset!") :bytecode (20 0 0 16 0 16 1 49 2 50)} "simulate-signal-swap!" {:upvalue-count 0 :arity 2 :constants ("swap!") :bytecode (20 0 0 16 0 16 1 49 2 50)} "assert-computed-dep-count" {:upvalue-count 0 :arity 2 :constants ("len" "signal-deps" "assert=" "str" "Expected " " deps, got ") :bytecode (20 1 0 16 0 48 1 52 0 0 1 17 2 20 2 0 16 2 16 1 1 4 0 16 1 1 5 0 16 2 52 3 0 4 49 3 50)} "assert-computed-depends-on" {:upvalue-count 0 :arity 2 :constants ("assert" "contains?" "signal-deps" "Expected computed to depend on the given signal") :bytecode (20 0 0 20 2 0 16 0 48 1 16 1 52 1 0 2 1 3 0 49 2 50)} "count-effect-runs" {:upvalue-count 0 :arity 1 :constants ("signal" 0 "effect" {:upvalue-count 1 :arity 0 :constants ("deref") :bytecode (20 0 0 18 0 49 1 50)} {:upvalue-count 2 :arity 0 :constants ("+" 1 "cek-call") :bytecode (18 0 1 1 0 52 0 0 2 19 0 5 20 2 0 18 1 2 49 2 50)}) :bytecode (20 0 0 1 1 0 48 1 17 1 51 3 0 1 1 52 2 0 1 5 1 1 0 17 2 51 4 0 1 2 1 0 52 2 0 1 17 3 16 2 50)} "make-test-signal" {:upvalue-count 0 :arity 1 :constants ("signal" "list" "effect" {:upvalue-count 2 :arity 0 :constants ("append!" "deref") :bytecode (20 0 0 18 0 20 1 0 18 1 48 1 49 2 50)} "history") :bytecode (20 0 0 16 0 48 1 17 1 52 1 0 0 17 2 51 3 0 1 2 1 1 52 2 0 1 5 1 0 0 16 1 1 4 0 16 2 65 2 0 50)} "assert-batch-coalesces" {:upvalue-count 0 :arity 2 :constants (0 "signal" "effect" {:upvalue-count 2 :arity 0 :constants ("deref" "+" 1) :bytecode (20 0 0 18 0 48 1 5 18 1 1 2 0 52 1 0 2 19 1 50)} "batch" "assert=" "str" "Expected " " notifications, got ") :bytecode (1 0 0 17 2 20 1 0 1 0 0 48 1 17 3 51 3 0 1 3 1 2 52 2 0 1 5 1 0 0 17 2 5 20 4 0 16 0 48 1 5 20 5 0 16 2 16 1 1 7 0 16 1 1 8 0 16 2 52 6 0 4 49 3 50)}) :bytecode (51 1 0 128 0 0 5 51 3 0 128 2 0 5 51 5 0 128 4 0 5 51 7 0 128 6 0 5 51 9 0 128 8 0 5 51 11 0 128 10 0 5 51 13 0 128 12 0 5 51 15 0 128 14 0 5 51 17 0 128 16 0 5 51 19 0 128 18 0 5 51 21 0 128 20 0 50)))
:constants ("assert-signal-value" {:upvalue-count 0 :arity 2 :constants ("deref" "assert=" "str" "Expected signal value " ", got ") :bytecode (20 0 0 16 0 48 1 17 2 20 1 0 16 2 16 1 1 3 0 16 1 1 4 0 16 2 52 2 0 4 49 3 50)} "assert-signal-has-subscribers" {:upvalue-count 0 :arity 1 :constants ("assert" ">" "len" "signal-subscribers" 0 "Expected signal to have subscribers") :bytecode (20 0 0 20 3 0 16 0 48 1 52 2 0 1 1 4 0 52 1 0 2 1 5 0 49 2 50)} "assert-signal-no-subscribers" {:upvalue-count 0 :arity 1 :constants ("assert" "=" "len" "signal-subscribers" 0 "Expected signal to have no subscribers") :bytecode (20 0 0 20 3 0 16 0 48 1 52 2 0 1 1 4 0 52 1 0 2 1 5 0 49 2 50)} "assert-signal-subscriber-count" {:upvalue-count 0 :arity 2 :constants ("len" "signal-subscribers" "assert=" "str" "Expected " " subscribers, got ") :bytecode (20 1 0 16 0 48 1 52 0 0 1 17 2 20 2 0 16 2 16 1 1 4 0 16 1 1 5 0 16 2 52 3 0 4 49 3 50)} "simulate-signal-set!" {:upvalue-count 0 :arity 2 :constants ("reset!") :bytecode (20 0 0 16 0 16 1 49 2 50)} "simulate-signal-swap!" {:upvalue-count 0 :arity 2 :constants ("swap!") :bytecode (20 0 0 16 0 16 1 49 2 50)} "assert-computed-dep-count" {:upvalue-count 0 :arity 2 :constants ("len" "signal-deps" "assert=" "str" "Expected " " deps, got ") :bytecode (20 1 0 16 0 48 1 52 0 0 1 17 2 20 2 0 16 2 16 1 1 4 0 16 1 1 5 0 16 2 52 3 0 4 49 3 50)} "assert-computed-depends-on" {:upvalue-count 0 :arity 2 :constants ("assert" "contains?" "signal-deps" "Expected computed to depend on the given signal") :bytecode (20 0 0 20 2 0 16 0 48 1 16 1 52 1 0 2 1 3 0 49 2 50)} "count-effect-runs" {:upvalue-count 0 :arity 1 :constants ("signal" 0 "effect" {:upvalue-count 1 :arity 0 :constants ("deref") :bytecode (20 0 0 18 0 49 1 50)} {:upvalue-count 2 :arity 0 :constants ("+" 1 "cek-call") :bytecode (18 0 1 1 0 52 0 0 2 19 0 5 20 2 0 18 1 2 49 2 50)}) :bytecode (20 0 0 1 1 0 48 1 17 1 20 2 0 51 3 0 1 1 48 1 5 1 1 0 17 2 20 2 0 51 4 0 1 2 1 0 48 1 17 3 16 2 50)} "make-test-signal" {:upvalue-count 0 :arity 1 :constants ("signal" "list" "effect" {:upvalue-count 2 :arity 0 :constants ("append!" "deref") :bytecode (20 0 0 18 0 20 1 0 18 1 48 1 49 2 50)} "history") :bytecode (20 0 0 16 0 48 1 17 1 52 1 0 0 17 2 20 2 0 51 3 0 1 2 1 1 48 1 5 1 0 0 16 1 1 4 0 16 2 65 2 0 50)} "assert-batch-coalesces" {:upvalue-count 0 :arity 2 :constants (0 "signal" "effect" {:upvalue-count 2 :arity 0 :constants ("deref" "+" 1) :bytecode (20 0 0 18 0 48 1 5 18 1 1 2 0 52 1 0 2 19 1 50)} "batch" "assert=" "str" "Expected " " notifications, got ") :bytecode (1 0 0 17 2 20 1 0 1 0 0 48 1 17 3 20 2 0 51 3 0 1 3 1 2 48 1 5 1 0 0 17 2 5 20 4 0 16 0 48 1 5 20 5 0 16 2 16 1 1 7 0 16 1 1 8 0 16 2 52 6 0 4 49 3 50)}) :bytecode (51 1 0 128 0 0 5 51 3 0 128 2 0 5 51 5 0 128 4 0 5 51 7 0 128 6 0 5 51 9 0 128 8 0 5 51 11 0 128 10 0 5 51 13 0 128 12 0 5 51 15 0 128 14 0 5 51 17 0 128 16 0 5 51 19 0 128 18 0 5 51 21 0 128 20 0 50)))

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@@ -256,25 +256,6 @@
"sx:afterSwap"
(dict "target" target-el "swap" swap-style)))))))
(define
flush-cssx!
:effects (mutation io)
(fn
()
(let
((rules (collected "cssx")))
(clear-collected! "cssx")
(when
(not (empty? rules))
(let
((style (dom-query "#sx-css")))
(when
style
(dom-set-prop
style
"textContent"
(str (dom-get-prop style "textContent") (join "" rules)))))))))
(define
handle-sx-response
:effects (mutation io)
@@ -527,8 +508,7 @@
(sx-hydrate root)
(sx-hydrate-islands root)
(run-post-render-hooks)
(process-elements root)
(flush-cssx!)))
(process-elements root)))
(define
process-settle-hooks

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@@ -1,3 +1,3 @@
(sxbc 1 "7e4a727b2f55684e"
(code
:constants ("with-marsh-scope" {:upvalue-count 0 :arity 2 :constants ("list" "with-island-scope" {:upvalue-count 1 :arity 1 :constants ("append!") :bytecode (20 0 0 18 0 16 0 49 2 50)} "dom-set-data" "sx-marsh-disposers") :bytecode (52 0 0 0 17 2 20 1 0 51 2 0 1 2 16 1 48 2 5 20 3 0 16 0 1 4 0 16 2 49 3 50)} "dispose-marsh-scope" {:upvalue-count 0 :arity 1 :constants ("dom-get-data" "sx-marsh-disposers" "for-each" {:upvalue-count 0 :arity 1 :constants ("cek-call") :bytecode (20 0 0 16 0 2 49 2 50)} "dom-set-data") :bytecode (20 0 0 16 0 1 1 0 48 2 17 1 16 1 33 24 0 51 3 0 16 1 52 2 0 2 5 20 4 0 16 0 1 1 0 2 49 3 32 1 0 2 50)} "emit-event" {:upvalue-count 0 :arity 3 :constants ("dom-dispatch") :bytecode (20 0 0 16 0 16 1 16 2 49 3 50)} "on-event" {:upvalue-count 0 :arity 3 :constants ("dom-on") :bytecode (20 0 0 16 0 16 1 16 2 49 3 50)} "bridge-event" {:upvalue-count 0 :arity 4 :constants ("effect" {:upvalue-count 4 :arity 0 :constants ("dom-on" {:upvalue-count 2 :arity 1 :constants ("event-detail" "cek-call" "list" "reset!") :bytecode (20 0 0 16 0 48 1 17 1 18 0 33 16 0 20 1 0 18 0 16 1 52 2 0 1 48 2 32 2 0 16 1 17 2 20 3 0 18 1 16 2 49 2 50)}) :bytecode (20 0 0 18 0 18 1 51 1 0 0 2 0 3 48 3 17 0 16 0 50)}) :bytecode (51 1 0 1 0 1 1 1 3 1 2 52 0 0 1 50)} "resource" {:upvalue-count 0 :arity 1 :constants ("signal" "dict" "loading" "data" "error" "promise-then" "cek-call" {:upvalue-count 1 :arity 1 :constants ("reset!" "dict" "loading" "data" "error") :bytecode (20 0 0 18 0 1 2 0 4 1 3 0 16 0 1 4 0 2 52 1 0 6 49 2 50)} {:upvalue-count 1 :arity 1 :constants ("reset!" "dict" "loading" "data" "error") :bytecode (20 0 0 18 0 1 2 0 4 1 3 0 2 1 4 0 16 0 52 1 0 6 49 2 50)}) :bytecode (20 0 0 1 2 0 3 1 3 0 2 1 4 0 2 52 1 0 6 48 1 17 1 20 5 0 20 6 0 16 0 2 48 2 51 7 0 1 1 51 8 0 1 1 48 3 5 16 1 50)}) :bytecode (51 1 0 128 0 0 5 51 3 0 128 2 0 5 51 5 0 128 4 0 5 51 7 0 128 6 0 5 51 9 0 128 8 0 5 51 11 0 128 10 0 50)))
:constants ("with-marsh-scope" {:upvalue-count 0 :arity 2 :constants ("list" "with-island-scope" {:upvalue-count 1 :arity 1 :constants ("append!") :bytecode (20 0 0 18 0 16 0 49 2 50)} "dom-set-data" "sx-marsh-disposers") :bytecode (52 0 0 0 17 2 20 1 0 51 2 0 1 2 16 1 48 2 5 20 3 0 16 0 1 4 0 16 2 49 3 50)} "dispose-marsh-scope" {:upvalue-count 0 :arity 1 :constants ("dom-get-data" "sx-marsh-disposers" "for-each" {:upvalue-count 0 :arity 1 :constants ("cek-call") :bytecode (20 0 0 16 0 2 49 2 50)} "dom-set-data") :bytecode (20 0 0 16 0 1 1 0 48 2 17 1 16 1 33 24 0 51 3 0 16 1 52 2 0 2 5 20 4 0 16 0 1 1 0 2 49 3 32 1 0 2 50)} "emit-event" {:upvalue-count 0 :arity 3 :constants ("dom-dispatch") :bytecode (20 0 0 16 0 16 1 16 2 49 3 50)} "on-event" {:upvalue-count 0 :arity 3 :constants ("dom-on") :bytecode (20 0 0 16 0 16 1 16 2 49 3 50)} "bridge-event" {:upvalue-count 0 :arity 4 :constants ("effect" {:upvalue-count 4 :arity 0 :constants ("dom-on" {:upvalue-count 2 :arity 1 :constants ("event-detail" "cek-call" "list" "reset!") :bytecode (20 0 0 16 0 48 1 17 1 18 0 33 16 0 20 1 0 18 0 16 1 52 2 0 1 48 2 32 2 0 16 1 17 2 20 3 0 18 1 16 2 49 2 50)}) :bytecode (20 0 0 18 0 18 1 51 1 0 0 2 0 3 48 3 17 0 16 0 50)}) :bytecode (20 0 0 51 1 0 1 0 1 1 1 3 1 2 49 1 50)} "resource" {:upvalue-count 0 :arity 1 :constants ("signal" "dict" "loading" "data" "error" "promise-then" "cek-call" {:upvalue-count 1 :arity 1 :constants ("reset!" "dict" "loading" "data" "error") :bytecode (20 0 0 18 0 1 2 0 4 1 3 0 16 0 1 4 0 2 52 1 0 6 49 2 50)} {:upvalue-count 1 :arity 1 :constants ("reset!" "dict" "loading" "data" "error") :bytecode (20 0 0 18 0 1 2 0 4 1 3 0 2 1 4 0 16 0 52 1 0 6 49 2 50)}) :bytecode (20 0 0 1 2 0 3 1 3 0 2 1 4 0 2 52 1 0 6 48 1 17 1 20 5 0 20 6 0 16 0 2 48 2 51 7 0 1 1 51 8 0 1 1 48 3 5 16 1 50)}) :bytecode (51 1 0 128 0 0 5 51 3 0 128 2 0 5 51 5 0 128 4 0 5 51 7 0 128 6 0 5 51 9 0 128 8 0 5 51 11 0 128 10 0 50)))