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408eca1cb0d1f0b3a9d5495b5cdcfa06b410897e
rose-ash/shared/static/wasm/sx/adapter-html.sx
giles 10576f86d1 WASM browser build: interned env keys, async kernel boot, bundled .sx platform 
- Symbol interning in sx_types.ml: env lookups use int keys (intern/unintern)
  to avoid repeated string hashing in scope chain walks
- sx-platform.js: poll for SxKernel availability (WASM init is async)
- shell.sx: load sx_browser.bc.wasm.js when SX_USE_WASM=1
- bundle.sh: fix .sx file paths (web-signals.sx rename)
- browser/dune: target byte+js+wasm modes
- Bundle 23 .sx platform files for browser (dom, signals, router, boot, etc.)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-26 16:37:42 +00:00

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(define render-to-html :effects (render) (fn (expr (env :as dict)) (set-render-active! true) (case (type-of expr) "nil" "" "string" (escape-html expr) "number" (str expr) "boolean" (if expr "true" "false") "list" (if (empty? expr) "" (render-list-to-html expr env)) "symbol" (render-value-to-html (trampoline (eval-expr expr env)) env) "keyword" (escape-html (keyword-name expr)) "raw-html" (raw-html-content expr) "spread" (do (scope-emit! "element-attrs" (spread-attrs expr)) "") "thunk" (render-to-html (thunk-expr expr) (thunk-env expr)) :else (render-value-to-html (trampoline (eval-expr expr env)) env))))
(define render-value-to-html :effects (render) (fn (val (env :as dict)) (case (type-of val) "nil" "" "string" (escape-html val) "number" (str val) "boolean" (if val "true" "false") "list" (render-list-to-html val env) "raw-html" (raw-html-content val) "spread" (do (scope-emit! "element-attrs" (spread-attrs val)) "") "thunk" (render-to-html (thunk-expr val) (thunk-env val)) :else (escape-html (str val)))))
(define RENDER_HTML_FORMS (list "if" "when" "cond" "case" "let" "let*" "letrec" "begin" "do" "define" "defcomp" "defisland" "defmacro" "defstyle" "deftype" "defeffect" "map" "map-indexed" "filter" "for-each" "scope" "provide"))
(define render-html-form? :effects () (fn ((name :as string)) (contains? RENDER_HTML_FORMS name)))
(define render-list-to-html :effects (render) (fn ((expr :as list) (env :as dict)) (if (empty? expr) "" (let ((head (first expr))) (if (not (= (type-of head) "symbol")) (join "" (map (fn (x) (render-value-to-html x env)) expr)) (let ((name (symbol-name head)) (args (rest expr))) (cond (= name "<>") (join "" (map (fn (x) (render-to-html x env)) args)) (= name "raw!") (join "" (map (fn (x) (str (trampoline (eval-expr x env)))) args)) (= name "lake") (render-html-lake args env) (= name "marsh") (render-html-marsh args env) (or (= name "portal") (= name "error-boundary") (= name "promise-delayed")) (join "" (map (fn (x) (render-to-html x env)) args)) (contains? HTML_TAGS name) (render-html-element name args env) (and (starts-with? name "~") (env-has? env name) (island? (env-get env name))) (render-html-island (env-get env name) args env) (starts-with? name "~") (let ((val (env-get env name))) (cond (component? val) (render-html-component val args env) (macro? val) (render-to-html (expand-macro val args env) env) :else (error (str "Unknown component: " name)))) (render-html-form? name) (dispatch-html-form name expr env) (and (env-has? env name) (macro? (env-get env name))) (render-to-html (expand-macro (env-get env name) args env) env) :else (render-value-to-html (trampoline (eval-expr expr env)) env))))))))
(define dispatch-html-form :effects (render) (fn ((name :as string) (expr :as list) (env :as dict)) (cond (= name "if") (let ((cond-val (trampoline (eval-expr (nth expr 1) env)))) (if cond-val (render-to-html (nth expr 2) env) (if (> (len expr) 3) (render-to-html (nth expr 3) env) ""))) (= name "when") (if (not (trampoline (eval-expr (nth expr 1) env))) "" (if (= (len expr) 3) (render-to-html (nth expr 2) env) (join "" (map (fn (i) (render-to-html (nth expr i) env)) (range 2 (len expr)))))) (= name "cond") (let ((branch (eval-cond (rest expr) env))) (if branch (render-to-html branch env) "")) (= name "case") (render-to-html (trampoline (eval-expr expr env)) env) (= name "letrec") (let ((bindings (nth expr 1)) (body (slice expr 2)) (local (env-extend env))) (for-each (fn (pair) (let ((pname (if (= (type-of (first pair)) "symbol") (symbol-name (first pair)) (str (first pair))))) (env-bind! local pname nil))) bindings) (for-each (fn (pair) (let ((pname (if (= (type-of (first pair)) "symbol") (symbol-name (first pair)) (str (first pair))))) (env-set! local pname (trampoline (eval-expr (nth pair 1) local))))) bindings) (when (> (len body) 1) (for-each (fn (e) (trampoline (eval-expr e local))) (init body))) (render-to-html (last body) local)) (or (= name "let") (= name "let*")) (let ((local (process-bindings (nth expr 1) env))) (if (= (len expr) 3) (render-to-html (nth expr 2) local) (join "" (map (fn (i) (render-to-html (nth expr i) local)) (range 2 (len expr)))))) (or (= name "begin") (= name "do")) (if (= (len expr) 2) (render-to-html (nth expr 1) env) (join "" (map (fn (i) (render-to-html (nth expr i) env)) (range 1 (len expr))))) (definition-form? name) (do (trampoline (eval-expr expr env)) "") (= name "map") (let ((f (trampoline (eval-expr (nth expr 1) env))) (coll (trampoline (eval-expr (nth expr 2) env)))) (join "" (map (fn (item) (if (lambda? f) (render-lambda-html f (list item) env) (render-to-html (apply f (list item)) env))) coll))) (= name "map-indexed") (let ((f (trampoline (eval-expr (nth expr 1) env))) (coll (trampoline (eval-expr (nth expr 2) env)))) (join "" (map-indexed (fn (i item) (if (lambda? f) (render-lambda-html f (list i item) env) (render-to-html (apply f (list i item)) env))) coll))) (= name "filter") (render-to-html (trampoline (eval-expr expr env)) env) (= name "for-each") (let ((f (trampoline (eval-expr (nth expr 1) env))) (coll (trampoline (eval-expr (nth expr 2) env)))) (join "" (map (fn (item) (if (lambda? f) (render-lambda-html f (list item) env) (render-to-html (apply f (list item)) env))) coll))) (= name "scope") (let ((scope-name (trampoline (eval-expr (nth expr 1) env))) (rest-args (slice expr 2)) (scope-val nil) (body-exprs nil)) (if (and (>= (len rest-args) 2) (= (type-of (first rest-args)) "keyword") (= (keyword-name (first rest-args)) "value")) (do (set! scope-val (trampoline (eval-expr (nth rest-args 1) env))) (set! body-exprs (slice rest-args 2))) (set! body-exprs rest-args)) (scope-push! scope-name scope-val) (let ((result (if (= (len body-exprs) 1) (render-to-html (first body-exprs) env) (join "" (map (fn (e) (render-to-html e env)) body-exprs))))) (scope-pop! scope-name) result)) (= name "provide") (let ((prov-name (trampoline (eval-expr (nth expr 1) env))) (prov-val (trampoline (eval-expr (nth expr 2) env))) (body-start 3) (body-count (- (len expr) 3))) (scope-push! prov-name prov-val) (let ((result (if (= body-count 1) (render-to-html (nth expr body-start) env) (join "" (map (fn (i) (render-to-html (nth expr i) env)) (range body-start (+ body-start body-count))))))) (scope-pop! prov-name) result)) :else (render-value-to-html (trampoline (eval-expr expr env)) env))))
(define render-lambda-html :effects (render) (fn ((f :as lambda) (args :as list) (env :as dict)) (let ((local (env-merge (lambda-closure f) env))) (for-each-indexed (fn (i p) (env-bind! local p (nth args i))) (lambda-params f)) (render-to-html (lambda-body f) local))))
(define render-html-component :effects (render) (fn ((comp :as component) (args :as list) (env :as dict)) (let ((kwargs (dict)) (children (list))) (reduce (fn (state arg) (let ((skip (get state "skip"))) (if skip (assoc state "skip" false "i" (inc (get state "i"))) (if (and (= (type-of arg) "keyword") (< (inc (get state "i")) (len args))) (let ((val (trampoline (eval-expr (nth args (inc (get state "i"))) env)))) (dict-set! kwargs (keyword-name arg) val) (assoc state "skip" true "i" (inc (get state "i")))) (do (append! children arg) (assoc state "i" (inc (get state "i")))))))) (dict "i" 0 "skip" false) args) (let ((local (env-merge (component-closure comp) env))) (for-each (fn (p) (env-bind! local p (if (dict-has? kwargs p) (dict-get kwargs p) nil))) (component-params comp)) (when (component-has-children? comp) (env-bind! local "children" (make-raw-html (join "" (map (fn (c) (render-to-html c env)) children))))) (render-to-html (component-body comp) local)))))
(define render-html-element :effects (render) (fn ((tag :as string) (args :as list) (env :as dict)) (let ((parsed (parse-element-args args env)) (attrs (first parsed)) (children (nth parsed 1)) (is-void (contains? VOID_ELEMENTS tag))) (if is-void (str "<" tag (render-attrs attrs) " />") (do (scope-push! "element-attrs" nil) (let ((content (join "" (map (fn (c) (render-to-html c env)) children)))) (for-each (fn (spread-dict) (merge-spread-attrs attrs spread-dict)) (scope-emitted "element-attrs")) (scope-pop! "element-attrs") (str "<" tag (render-attrs attrs) ">" content "</" tag ">")))))))
(define render-html-lake :effects (render) (fn ((args :as list) (env :as dict)) (let ((lake-id nil) (lake-tag "div") (children (list))) (reduce (fn (state arg) (let ((skip (get state "skip"))) (if skip (assoc state "skip" false "i" (inc (get state "i"))) (if (and (= (type-of arg) "keyword") (< (inc (get state "i")) (len args))) (let ((kname (keyword-name arg)) (kval (trampoline (eval-expr (nth args (inc (get state "i"))) env)))) (cond (= kname "id") (set! lake-id kval) (= kname "tag") (set! lake-tag kval)) (assoc state "skip" true "i" (inc (get state "i")))) (do (append! children arg) (assoc state "i" (inc (get state "i")))))))) (dict "i" 0 "skip" false) args) (let ((lake-attrs (dict "data-sx-lake" (or lake-id "")))) (scope-push! "element-attrs" nil) (let ((content (join "" (map (fn (c) (render-to-html c env)) children)))) (for-each (fn (spread-dict) (merge-spread-attrs lake-attrs spread-dict)) (scope-emitted "element-attrs")) (scope-pop! "element-attrs") (str "<" lake-tag (render-attrs lake-attrs) ">" content "</" lake-tag ">"))))))
(define render-html-marsh :effects (render) (fn ((args :as list) (env :as dict)) (let ((marsh-id nil) (marsh-tag "div") (children (list))) (reduce (fn (state arg) (let ((skip (get state "skip"))) (if skip (assoc state "skip" false "i" (inc (get state "i"))) (if (and (= (type-of arg) "keyword") (< (inc (get state "i")) (len args))) (let ((kname (keyword-name arg)) (kval (trampoline (eval-expr (nth args (inc (get state "i"))) env)))) (cond (= kname "id") (set! marsh-id kval) (= kname "tag") (set! marsh-tag kval) (= kname "transform") nil) (assoc state "skip" true "i" (inc (get state "i")))) (do (append! children arg) (assoc state "i" (inc (get state "i")))))))) (dict "i" 0 "skip" false) args) (let ((marsh-attrs (dict "data-sx-marsh" (or marsh-id "")))) (scope-push! "element-attrs" nil) (let ((content (join "" (map (fn (c) (render-to-html c env)) children)))) (for-each (fn (spread-dict) (merge-spread-attrs marsh-attrs spread-dict)) (scope-emitted "element-attrs")) (scope-pop! "element-attrs") (str "<" marsh-tag (render-attrs marsh-attrs) ">" content "</" marsh-tag ">"))))))
(define render-html-island :effects (render) (fn ((island :as island) (args :as list) (env :as dict)) (let ((kwargs (dict)) (children (list))) (reduce (fn (state arg) (let ((skip (get state "skip"))) (if skip (assoc state "skip" false "i" (inc (get state "i"))) (if (and (= (type-of arg) "keyword") (< (inc (get state "i")) (len args))) (let ((val (trampoline (eval-expr (nth args (inc (get state "i"))) env)))) (dict-set! kwargs (keyword-name arg) val) (assoc state "skip" true "i" (inc (get state "i")))) (do (append! children arg) (assoc state "i" (inc (get state "i")))))))) (dict "i" 0 "skip" false) args) (let ((local (env-merge (component-closure island) env)) (island-name (component-name island))) (for-each (fn (p) (env-bind! local p (if (dict-has? kwargs p) (dict-get kwargs p) nil))) (component-params island)) (when (component-has-children? island) (env-bind! local "children" (make-raw-html (join "" (map (fn (c) (render-to-html c env)) children))))) (let ((body-html (cek-try (fn () (render-to-html (component-body island) local)) (fn (err) ""))) (state-sx (serialize-island-state kwargs))) (str "<span data-sx-island=\"" (escape-attr island-name) "\"" (if state-sx (str " data-sx-state=\"" (escape-attr state-sx) "\"") "") ">" body-html "</span>"))))))
(define serialize-island-state :effects () (fn ((kwargs :as dict)) (if (empty-dict? kwargs) nil (sx-serialize kwargs))))
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