"""
sx_ref.py -- Generated from reference SX evaluator specification.

Bootstrap-compiled from shared/sx/ref/{eval,render,adapter-html,adapter-sx}.sx
Compare against hand-written evaluator.py / html.py for correctness verification.

DO NOT EDIT -- regenerate with: python run_py_sx.py
"""
from __future__ import annotations

import math
from typing import Any


# =========================================================================
# Types (reuse existing types)
# =========================================================================

from shared.sx.types import (
    NIL, Symbol, Keyword, Lambda, Component, Island, Continuation, Macro,
    HandlerDef, QueryDef, ActionDef, PageDef, _ShiftSignal,
)
from shared.sx.parser import SxExpr
from shared.sx.env import Env as _Env, MergedEnv as _MergedEnv


# =========================================================================
# Platform interface -- Python implementation
# =========================================================================

class _Thunk:
    """Deferred evaluation for TCO."""
    __slots__ = ("expr", "env")
    def __init__(self, expr, env):
        self.expr = expr
        self.env = env


class _RawHTML:
    """Marker for pre-rendered HTML that should not be escaped."""
    __slots__ = ("html",)
    def __init__(self, html: str):
        self.html = html


def sx_truthy(x):
    """SX truthiness: everything is truthy except False, None, and NIL."""
    if x is False:
        return False
    if x is None or x is NIL:
        return False
    return True


def sx_str(*args):
    """SX str: concatenate string representations, skipping nil."""
    parts = []
    for a in args:
        if a is None or a is NIL:
            continue
        parts.append(str(a))
    return "".join(parts)


def sx_and(*args):
    """SX and: return last truthy value or first falsy."""
    result = True
    for a in args:
        if not sx_truthy(a):
            return a
        result = a
    return result


def sx_or(*args):
    """SX or: return first truthy value or last value."""
    for a in args:
        if sx_truthy(a):
            return a
    return args[-1] if args else False


def _sx_begin(*args):
    """Evaluate all args (for side effects), return last."""
    return args[-1] if args else NIL



def _sx_case(match_val, pairs):
    """Case dispatch: pairs is [(test_val, body_fn), ...]. None test = else."""
    for test, body_fn in pairs:
        if test is None:  # :else clause
            return body_fn()
        if match_val == test:
            return body_fn()
    return NIL


def _sx_fn(f):
    """Identity wrapper for multi-expression lambda bodies."""
    return f


def type_of(x):
    if x is None or x is NIL:
        return "nil"
    if isinstance(x, bool):
        return "boolean"
    if isinstance(x, (int, float)):
        return "number"
    if isinstance(x, SxExpr):
        return "sx-expr"
    if isinstance(x, str):
        return "string"
    if isinstance(x, Symbol):
        return "symbol"
    if isinstance(x, Keyword):
        return "keyword"
    if isinstance(x, _Thunk):
        return "thunk"
    if isinstance(x, Lambda):
        return "lambda"
    if isinstance(x, Component):
        return "component"
    if isinstance(x, Island):
        return "island"
    if isinstance(x, _Signal):
        return "signal"
    if isinstance(x, Macro):
        return "macro"
    if isinstance(x, _RawHTML):
        return "raw-html"
    if isinstance(x, Continuation):
        return "continuation"
    if isinstance(x, list):
        return "list"
    if isinstance(x, dict):
        return "dict"
    return "unknown"


def symbol_name(s):
    return s.name


def keyword_name(k):
    return k.name


def make_symbol(n):
    return Symbol(n)


def make_keyword(n):
    return Keyword(n)


def _ensure_env(env):
    """Wrap plain dict in Env if needed."""
    if isinstance(env, _Env):
        return env
    return _Env(env if isinstance(env, dict) else {})


def make_lambda(params, body, env):
    return Lambda(params=list(params), body=body, closure=_ensure_env(env))


def make_component(name, params, has_children, body, env, affinity="auto"):
    return Component(name=name, params=list(params), has_children=has_children,
                     body=body, closure=dict(env), affinity=str(affinity) if affinity else "auto")


def make_island(name, params, has_children, body, env):
    return Island(name=name, params=list(params), has_children=has_children,
                  body=body, closure=dict(env))


def make_macro(params, rest_param, body, env, name=None):
    return Macro(params=list(params), rest_param=rest_param, body=body,
                 closure=dict(env), name=name)


def make_handler_def(name, params, body, env, opts=None):
    path = opts.get('path') if opts else None
    method = str(opts.get('method', 'get')) if opts else 'get'
    csrf = opts.get('csrf', True) if opts else True
    returns = str(opts.get('returns', 'element')) if opts else 'element'
    if isinstance(csrf, str):
        csrf = csrf.lower() not in ('false', 'nil', 'no')
    return HandlerDef(name=name, params=list(params), body=body, closure=dict(env),
                      path=path, method=method.lower(), csrf=csrf, returns=returns)


def make_query_def(name, params, doc, body, env):
    return QueryDef(name=name, params=list(params), doc=doc, body=body, closure=dict(env))


def make_action_def(name, params, doc, body, env):
    return ActionDef(name=name, params=list(params), doc=doc, body=body, closure=dict(env))


def make_page_def(name, slots, env):
    path = slots.get("path", "")
    auth_val = slots.get("auth", "public")
    if isinstance(auth_val, Keyword):
        auth = auth_val.name
    elif isinstance(auth_val, list):
        auth = [item.name if isinstance(item, Keyword) else str(item) for item in auth_val]
    else:
        auth = str(auth_val) if auth_val else "public"
    layout = slots.get("layout")
    if isinstance(layout, Keyword):
        layout = layout.name
    cache = None
    stream_val = slots.get("stream")
    stream = bool(trampoline(eval_expr(stream_val, env))) if stream_val is not None else False
    return PageDef(
        name=name, path=path, auth=auth, layout=layout, cache=cache,
        data_expr=slots.get("data"), content_expr=slots.get("content"),
        filter_expr=slots.get("filter"), aside_expr=slots.get("aside"),
        menu_expr=slots.get("menu"), stream=stream,
        fallback_expr=slots.get("fallback"), shell_expr=slots.get("shell"),
        closure=dict(env),
    )


def make_thunk(expr, env):
    return _Thunk(expr, env)


def lambda_params(f):
    return f.params


def lambda_body(f):
    return f.body


def lambda_closure(f):
    return f.closure


def lambda_name(f):
    return f.name


def set_lambda_name(f, n):
    f.name = n


def component_params(c):
    return c.params


def component_body(c):
    return c.body


def component_closure(c):
    return c.closure


def component_has_children(c):
    return c.has_children


def component_name(c):
    return c.name


def component_affinity(c):
    return getattr(c, 'affinity', 'auto')


def component_param_types(c):
    return getattr(c, 'param_types', None)


def component_set_param_types(c, d):
    c.param_types = d


def macro_params(m):
    return m.params


def macro_rest_param(m):
    return m.rest_param


def macro_body(m):
    return m.body


def macro_closure(m):
    return m.closure


def is_thunk(x):
    return isinstance(x, _Thunk)


def thunk_expr(t):
    return t.expr


def thunk_env(t):
    return t.env


def is_callable(x):
    return callable(x) or isinstance(x, Lambda)


def is_lambda(x):
    return isinstance(x, Lambda)


def is_component(x):
    return isinstance(x, Component)


def is_macro(x):
    return isinstance(x, Macro)


def is_island(x):
    return isinstance(x, Island)


def is_identical(a, b):
    return a is b


# -------------------------------------------------------------------------
# Signal platform -- reactive state primitives
# -------------------------------------------------------------------------

class _Signal:
    """Reactive signal container."""
    __slots__ = ("value", "subscribers", "deps")
    def __init__(self, value):
        self.value = value
        self.subscribers = []
        self.deps = []


class _TrackingContext:
    """Context for discovering signal dependencies."""
    __slots__ = ("notify_fn", "deps")
    def __init__(self, notify_fn):
        self.notify_fn = notify_fn
        self.deps = []


_tracking_context = None


def make_signal(value):
    return _Signal(value)


def is_signal(x):
    return isinstance(x, _Signal)


def signal_value(s):
    return s.value if isinstance(s, _Signal) else s


def signal_set_value(s, v):
    if isinstance(s, _Signal):
        s.value = v


def signal_subscribers(s):
    return list(s.subscribers) if isinstance(s, _Signal) else []


def signal_add_sub(s, fn):
    if isinstance(s, _Signal) and fn not in s.subscribers:
        s.subscribers.append(fn)


def signal_remove_sub(s, fn):
    if isinstance(s, _Signal) and fn in s.subscribers:
        s.subscribers.remove(fn)


def signal_deps(s):
    return list(s.deps) if isinstance(s, _Signal) else []


def signal_set_deps(s, deps):
    if isinstance(s, _Signal):
        s.deps = list(deps) if isinstance(deps, list) else []


def set_tracking_context(ctx):
    global _tracking_context
    _tracking_context = ctx


def get_tracking_context():
    global _tracking_context
    return _tracking_context if _tracking_context is not None else NIL


def make_tracking_context(notify_fn):
    return _TrackingContext(notify_fn)


def tracking_context_deps(ctx):
    return ctx.deps if isinstance(ctx, _TrackingContext) else []


def tracking_context_add_dep(ctx, s):
    if isinstance(ctx, _TrackingContext) and s not in ctx.deps:
        ctx.deps.append(s)


def tracking_context_notify_fn(ctx):
    return ctx.notify_fn if isinstance(ctx, _TrackingContext) else NIL


def invoke(f, *args):
    """Call f with args — handles both native callables and SX lambdas.

    In Python, all transpiled lambdas are natively callable, so this is
    just a direct call. The JS host needs dispatch logic here because
    SX lambdas from runtime-evaluated code are objects, not functions.
    """
    return f(*args)


def json_serialize(obj):
    import json
    return json.dumps(obj)


def is_empty_dict(d):
    if not isinstance(d, dict):
        return True
    return len(d) == 0


# DOM event primitives — no-ops on server (browser-only).
def dom_listen(el, name, handler):
    return lambda: None

def dom_dispatch(el, name, detail=None):
    return False

def event_detail(e):
    return None


def env_has(env, name):
    return name in env


def env_get(env, name):
    return env.get(name, NIL)


def env_set(env, name, val):
    env[name] = val


def env_extend(env):
    return _ensure_env(env).extend()


def env_merge(base, overlay):
    base = _ensure_env(base)
    overlay = _ensure_env(overlay)
    if base is overlay:
        # Same env — just extend with empty local scope for params
        return base.extend()
    # Check if base is an ancestor of overlay — if so, no need to merge
    # (common for self-recursive calls where closure == caller's ancestor)
    p = overlay
    depth = 0
    while p is not None and depth < 100:
        if p is base:
            return base.extend()
        p = getattr(p, '_parent', None)
        depth += 1
    # MergedEnv: reads walk base then overlay; set! walks base only
    return _MergedEnv({}, primary=base, secondary=overlay)


def dict_set(d, k, v):
    d[k] = v


def dict_get(d, k):
    v = d.get(k)
    return v if v is not None else NIL


def dict_has(d, k):
    return k in d


def dict_delete(d, k):
    d.pop(k, None)


def is_render_expr(expr):
    """Placeholder — overridden by transpiled version from render.sx."""
    return False


# Render dispatch -- set by adapter
_render_expr_fn = None

# Render mode flag -- set by render-to-html/aser, checked by eval-list
# When false, render expressions (HTML tags, components) fall through to eval-call
_render_mode = False


def render_active_p():
    return _render_mode


def set_render_active_b(val):
    global _render_mode
    _render_mode = bool(val)


def render_expr(expr, env):
    if _render_expr_fn:
        return _render_expr_fn(expr, env)
    # No adapter — fall through to eval_call so components still evaluate
    return eval_call(first(expr), rest(expr), env)


def strip_prefix(s, prefix):
    return s[len(prefix):] if s.startswith(prefix) else s


def debug_log(*args):
    import sys
    print(*args, file=sys.stderr)


def error(msg):
    raise EvalError(msg)


def inspect(x):
    return repr(x)


def escape_html(s):
    s = str(s)
    return s.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;").replace('"', "&quot;")


def escape_attr(s):
    return escape_html(s)


def raw_html_content(x):
    return x.html


def make_raw_html(s):
    return _RawHTML(s)


def sx_expr_source(x):
    return x.source if isinstance(x, SxExpr) else str(x)


try:
    from shared.sx.types import EvalError
except ImportError:
    class EvalError(Exception):
        pass


def _sx_append(lst, item):
    """Append item to list, return the item (for expression context)."""
    lst.append(item)
    return item


def _sx_dict_set(d, k, v):
    """Set key in dict, return the value (for expression context)."""
    d[k] = v
    return v


def _sx_set_attr(obj, attr, val):
    """Set attribute on object, return the value."""
    setattr(obj, attr, val)
    return val


def _sx_cell_set(cells, name, val):
    """Set a mutable cell value. Returns the value."""
    cells[name] = val
    return val


def escape_string(s):
    """Escape a string for SX serialization."""
    return (str(s)
        .replace("\\", "\\\\")
        .replace('"', '\\"')
        .replace("\n", "\\n")
        .replace("\t", "\\t")
        .replace("</script", "<\\/script"))


def serialize(val):
    """Serialize an SX value to SX source text.

    Note: parser.sx defines sx-serialize with a serialize alias, but parser.sx
    is only included in JS builds (for client-side parsing). Python builds
    provide this as a platform function.
    """
    t = type_of(val)
    if t == "sx-expr":
        return val.source
    if t == "nil":
        return "nil"
    if t == "boolean":
        return "true" if val else "false"
    if t == "number":
        return str(val)
    if t == "string":
        return '"' + escape_string(val) + '"'
    if t == "symbol":
        return symbol_name(val)
    if t == "keyword":
        return ":" + keyword_name(val)
    if t == "raw-html":
        escaped = escape_string(raw_html_content(val))
        return '(raw! "' + escaped + '")'
    if t == "list":
        if not val:
            return "()"
        items = [serialize(x) for x in val]
        return "(" + " ".join(items) + ")"
    if t == "dict":
        items = []
        for k, v in val.items():
            items.append(":" + str(k))
            items.append(serialize(v))
        return "{" + " ".join(items) + "}"
    if callable(val):
        return "nil"
    return str(val)

# Aliases for transpiled code — parser.sx defines sx-serialize/sx-serialize-dict
# but parser.sx is JS-only. Provide aliases so transpiled render.sx works.
sx_serialize = serialize
sx_serialize_dict = lambda d: serialize(d)

_SPECIAL_FORM_NAMES = frozenset()  # Placeholder — overridden by transpiled adapter-sx.sx
_HO_FORM_NAMES = frozenset()

def is_special_form(name):
    """Placeholder — overridden by transpiled version from adapter-sx.sx."""
    return False

def is_ho_form(name):
    """Placeholder — overridden by transpiled version from adapter-sx.sx."""
    return False


def aser_special(name, expr, env):
    """Placeholder — overridden by transpiled version from adapter-sx.sx."""
    return trampoline(eval_expr(expr, env))


# =========================================================================
# Primitives
# =========================================================================

# Save builtins before shadowing
_b_len = len
_b_map = map
_b_filter = filter
_b_range = range
_b_list = list
_b_dict = dict
_b_max = max
_b_min = min
_b_round = round
_b_abs = abs
_b_sum = sum
_b_zip = zip
_b_int = int

PRIMITIVES = {}


# core.arithmetic
PRIMITIVES["+"] = lambda *args: _b_sum(args)
PRIMITIVES["-"] = lambda a, b=None: -a if b is None else a - b
PRIMITIVES["*"] = lambda *args: _sx_mul(*args)
PRIMITIVES["/"] = lambda a, b: a / b
PRIMITIVES["mod"] = lambda a, b: a % b
PRIMITIVES["inc"] = lambda n: n + 1
PRIMITIVES["dec"] = lambda n: n - 1
PRIMITIVES["abs"] = _b_abs
PRIMITIVES["floor"] = math.floor
PRIMITIVES["ceil"] = math.ceil
PRIMITIVES["round"] = _b_round
PRIMITIVES["min"] = _b_min
PRIMITIVES["max"] = _b_max
PRIMITIVES["sqrt"] = math.sqrt
PRIMITIVES["pow"] = lambda x, n: x ** n
PRIMITIVES["clamp"] = lambda x, lo, hi: _b_max(lo, _b_min(hi, x))

def _sx_mul(*args):
    r = 1
    for a in args:
        r *= a
    return r


# core.comparison
PRIMITIVES["="] = lambda a, b: a == b
PRIMITIVES["!="] = lambda a, b: a != b
PRIMITIVES["<"] = lambda a, b: a < b
PRIMITIVES[">"] = lambda a, b: a > b
PRIMITIVES["<="] = lambda a, b: a <= b
PRIMITIVES[">="] = lambda a, b: a >= b


# core.logic
PRIMITIVES["not"] = lambda x: not sx_truthy(x)


# core.predicates
PRIMITIVES["nil?"] = lambda x: x is None or x is NIL
PRIMITIVES["number?"] = lambda x: isinstance(x, (int, float)) and not isinstance(x, bool)
PRIMITIVES["string?"] = lambda x: isinstance(x, str)
PRIMITIVES["list?"] = lambda x: isinstance(x, _b_list)
PRIMITIVES["dict?"] = lambda x: isinstance(x, _b_dict)
PRIMITIVES["continuation?"] = lambda x: isinstance(x, Continuation)
PRIMITIVES["empty?"] = lambda c: (
    c is None or c is NIL or
    (isinstance(c, (_b_list, str, _b_dict)) and _b_len(c) == 0)
)
PRIMITIVES["contains?"] = lambda c, k: (
    str(k) in c if isinstance(c, str) else
    k in c
)
PRIMITIVES["odd?"] = lambda n: n % 2 != 0
PRIMITIVES["even?"] = lambda n: n % 2 == 0
PRIMITIVES["zero?"] = lambda n: n == 0


# core.strings
PRIMITIVES["str"] = sx_str
PRIMITIVES["upper"] = lambda s: str(s).upper()
PRIMITIVES["lower"] = lambda s: str(s).lower()
PRIMITIVES["trim"] = lambda s: str(s).strip()
PRIMITIVES["split"] = lambda s, sep=" ": str(s).split(sep)
PRIMITIVES["join"] = lambda sep, coll: sep.join(str(x) for x in coll)
PRIMITIVES["replace"] = lambda s, old, new: s.replace(old, new)
PRIMITIVES["index-of"] = lambda s, needle, start=0: str(s).find(needle, start)
PRIMITIVES["starts-with?"] = lambda s, p: str(s).startswith(p)
PRIMITIVES["ends-with?"] = lambda s, p: str(s).endswith(p)
PRIMITIVES["slice"] = lambda c, a, b=None: c[int(a):] if (b is None or b is NIL) else c[int(a):int(b)]
PRIMITIVES["concat"] = lambda *args: _b_sum((a for a in args if a), [])


# core.collections
PRIMITIVES["list"] = lambda *args: _b_list(args)
PRIMITIVES["dict"] = lambda *args: {args[i]: args[i+1] for i in _b_range(0, _b_len(args)-1, 2)}
PRIMITIVES["range"] = lambda a, b, step=1: _b_list(_b_range(_b_int(a), _b_int(b), _b_int(step)))
PRIMITIVES["get"] = lambda c, k, default=NIL: c.get(k, default) if isinstance(c, _b_dict) else (c[k] if isinstance(c, (_b_list, str)) and isinstance(k, _b_int) and 0 <= k < _b_len(c) else (c.get(k, default) if hasattr(c, 'get') else default))
PRIMITIVES["len"] = lambda c: _b_len(c) if c is not None and c is not NIL else 0
PRIMITIVES["first"] = lambda c: c[0] if c and _b_len(c) > 0 else NIL
PRIMITIVES["last"] = lambda c: c[-1] if c and _b_len(c) > 0 else NIL
PRIMITIVES["rest"] = lambda c: c[1:] if c else []
PRIMITIVES["nth"] = lambda c, n: c[n] if c and 0 <= n < _b_len(c) else NIL
PRIMITIVES["cons"] = lambda x, c: [x] + (c or [])
PRIMITIVES["append"] = lambda c, x: (c or []) + (x if isinstance(x, list) else [x])
PRIMITIVES["chunk-every"] = lambda c, n: [c[i:i+n] for i in _b_range(0, _b_len(c), n)]
PRIMITIVES["zip-pairs"] = lambda c: [[c[i], c[i+1]] for i in _b_range(_b_len(c)-1)]


# core.dict
PRIMITIVES["keys"] = lambda d: _b_list((d or {}).keys())
PRIMITIVES["vals"] = lambda d: _b_list((d or {}).values())
PRIMITIVES["merge"] = lambda *args: _sx_merge_dicts(*args)
PRIMITIVES["has-key?"] = lambda d, k: isinstance(d, _b_dict) and k in d
PRIMITIVES["assoc"] = lambda d, *kvs: _sx_assoc(d, *kvs)
PRIMITIVES["dissoc"] = lambda d, *ks: {k: v for k, v in d.items() if k not in ks}
PRIMITIVES["into"] = lambda target, coll: (_b_list(coll) if isinstance(target, _b_list) else {p[0]: p[1] for p in coll if isinstance(p, _b_list) and _b_len(p) >= 2})
PRIMITIVES["zip"] = lambda *colls: [_b_list(t) for t in _b_zip(*colls)]

def _sx_merge_dicts(*args):
    out = {}
    for d in args:
        if d and d is not NIL and isinstance(d, _b_dict):
            out.update(d)
    return out

def _sx_assoc(d, *kvs):
    out = _b_dict(d) if d and d is not NIL else {}
    for i in _b_range(0, _b_len(kvs) - 1, 2):
        out[kvs[i]] = kvs[i + 1]
    return out


# stdlib.format
PRIMITIVES["format-decimal"] = lambda v, p=2: f"{float(v):.{p}f}"
PRIMITIVES["parse-int"] = lambda v, d=0: _sx_parse_int(v, d)
PRIMITIVES["parse-datetime"] = lambda s: str(s) if s else NIL

def _sx_parse_int(v, default=0):
    if v is None or v is NIL:
        return default
    s = str(v).strip()
    # Match JS parseInt: extract leading integer portion
    import re as _re
    m = _re.match(r'^[+-]?\d+', s)
    if m:
        return _b_int(m.group())
    return default


# stdlib.text
PRIMITIVES["pluralize"] = lambda n, s="", p="s": s if n == 1 else p
PRIMITIVES["escape"] = escape_html
PRIMITIVES["strip-tags"] = lambda s: _strip_tags(str(s))

import re as _re
def _strip_tags(s):
    return _re.sub(r"<[^>]+>", "", s)


# stdlib.style — stubs (CSSX needs full runtime)


# stdlib.debug
PRIMITIVES["assert"] = lambda cond, msg="Assertion failed": (_ for _ in ()).throw(RuntimeError(f"Assertion error: {msg}")) if not sx_truthy(cond) else True


def is_primitive(name):
    if name in PRIMITIVES:
        return True
    from shared.sx.primitives import get_primitive as _ext_get
    return _ext_get(name) is not None

def get_primitive(name):
    p = PRIMITIVES.get(name)
    if p is not None:
        return p
    from shared.sx.primitives import get_primitive as _ext_get
    return _ext_get(name)

# Higher-order helpers used by transpiled code
def map(fn, coll):
    return [fn(x) for x in coll]

def map_indexed(fn, coll):
    return [fn(i, item) for i, item in enumerate(coll)]

def filter(fn, coll):
    return [x for x in coll if sx_truthy(fn(x))]

def reduce(fn, init, coll):
    acc = init
    for item in coll:
        acc = fn(acc, item)
    return acc

def some(fn, coll):
    for item in coll:
        r = fn(item)
        if sx_truthy(r):
            return r
    return NIL

def every_p(fn, coll):
    for item in coll:
        if not sx_truthy(fn(item)):
            return False
    return True

def for_each(fn, coll):
    for item in coll:
        fn(item)
    return NIL

def for_each_indexed(fn, coll):
    for i, item in enumerate(coll):
        fn(i, item)
    return NIL

def map_dict(fn, d):
    return {k: fn(k, v) for k, v in d.items()}

# Aliases used directly by transpiled code
first = PRIMITIVES["first"]
last = PRIMITIVES["last"]
rest = PRIMITIVES["rest"]
nth = PRIMITIVES["nth"]
len = PRIMITIVES["len"]
is_nil = PRIMITIVES["nil?"]
empty_p = PRIMITIVES["empty?"]
contains_p = PRIMITIVES["contains?"]
starts_with_p = PRIMITIVES["starts-with?"]
ends_with_p = PRIMITIVES["ends-with?"]
slice = PRIMITIVES["slice"]
get = PRIMITIVES["get"]
append = PRIMITIVES["append"]
cons = PRIMITIVES["cons"]
keys = PRIMITIVES["keys"]
join = PRIMITIVES["join"]
range = PRIMITIVES["range"]
apply = lambda f, args: f(*args)
assoc = PRIMITIVES["assoc"]
concat = PRIMITIVES["concat"]
split = PRIMITIVES["split"]
length = PRIMITIVES["len"]
merge = PRIMITIVES["merge"]
trim = PRIMITIVES["trim"]
replace = PRIMITIVES["replace"]
parse_int = PRIMITIVES["parse-int"]
upper = PRIMITIVES["upper"]
has_key_p = PRIMITIVES["has-key?"]
dissoc = PRIMITIVES["dissoc"]
index_of = PRIMITIVES["index-of"]


# =========================================================================
# Platform: deps module — component dependency analysis
# =========================================================================

import re as _re

def component_deps(c):
    """Return cached deps list for a component (may be empty)."""
    return list(c.deps) if hasattr(c, "deps") and c.deps else []

def component_set_deps(c, deps):
    """Cache deps on a component."""
    c.deps = set(deps) if not isinstance(deps, set) else deps

def component_css_classes(c):
    """Return pre-scanned CSS class list for a component."""
    return list(c.css_classes) if hasattr(c, "css_classes") and c.css_classes else []

def env_components(env):
    """Placeholder — overridden by transpiled version from deps.sx."""
    return [k for k, v in env.items()
            if isinstance(v, (Component, Macro))]

def regex_find_all(pattern, source):
    """Return list of capture group 1 matches."""
    return [m.group(1) for m in _re.finditer(pattern, source)]

def scan_css_classes(source):
    """Extract CSS class strings from SX source."""
    classes = set()
    for m in _re.finditer(r':class\s+"([^"]*)"', source):
        classes.update(m.group(1).split())
    for m in _re.finditer(r':class\s+\(str\s+((?:"[^"]*"\s*)+)\)', source):
        for s in _re.findall(r'"([^"]*)"', m.group(1)):
            classes.update(s.split())
    for m in _re.finditer(r';;\s*@css\s+(.+)', source):
        classes.update(m.group(1).split())
    return list(classes)

def component_io_refs(c):
    """Return cached IO refs list, or NIL if not yet computed."""
    if not hasattr(c, "io_refs") or c.io_refs is None:
        return NIL
    return list(c.io_refs)

def component_set_io_refs(c, refs):
    """Cache IO refs on a component."""
    c.io_refs = set(refs) if not isinstance(refs, set) else refs


# =========================================================================
# Platform interface -- Async adapter
# =========================================================================

import contextvars
import inspect

from shared.sx.primitives_io import (
    IO_PRIMITIVES, RequestContext, execute_io,
)

# Lazy imports to avoid circular dependency (html.py imports sx_ref.py)
_css_class_collector_cv = None
_svg_context_cv = None

def _ensure_html_imports():
    global _css_class_collector_cv, _svg_context_cv
    if _css_class_collector_cv is None:
        from shared.sx.html import css_class_collector, _svg_context
        _css_class_collector_cv = css_class_collector
        _svg_context_cv = _svg_context

# When True, async_aser expands known components server-side
_expand_components_cv: contextvars.ContextVar[bool] = contextvars.ContextVar(
    "_expand_components_ref", default=False
)


class _AsyncThunk:
    __slots__ = ("expr", "env", "ctx")
    def __init__(self, expr, env, ctx):
        self.expr = expr
        self.env = env
        self.ctx = ctx


def io_primitive_p(name):
    return name in IO_PRIMITIVES


def expand_components_p():
    return _expand_components_cv.get()


def svg_context_p():
    _ensure_html_imports()
    return _svg_context_cv.get(False)


def svg_context_set(val):
    _ensure_html_imports()
    return _svg_context_cv.set(val)


def svg_context_reset(token):
    _ensure_html_imports()
    _svg_context_cv.reset(token)


def css_class_collect(val):
    _ensure_html_imports()
    collector = _css_class_collector_cv.get(None)
    if collector is not None:
        collector.update(str(val).split())


def is_raw_html(x):
    return isinstance(x, _RawHTML)


def make_sx_expr(s):
    return SxExpr(s)


def is_sx_expr(x):
    return isinstance(x, SxExpr)


# Predicate helpers used by adapter-async (these are in PRIMITIVES but
# the bootstrapped code calls them as plain functions)
def string_p(x):
    return isinstance(x, str)


def list_p(x):
    return isinstance(x, _b_list)


def number_p(x):
    return isinstance(x, (int, float)) and not isinstance(x, bool)


def sx_parse(src):
    from shared.sx.parser import parse_all
    return parse_all(src)


def is_async_coroutine(x):
    return inspect.iscoroutine(x)


async def async_await(x):
    return await x


async def _async_trampoline(val):
    while isinstance(val, _AsyncThunk):
        val = await async_eval(val.expr, val.env, val.ctx)
    return val


async def async_eval(expr, env, ctx=None):
    """Evaluate with I/O primitives. Entry point for async evaluation."""
    if ctx is None:
        ctx = RequestContext()
    result = await _async_eval_inner(expr, env, ctx)
    while isinstance(result, _AsyncThunk):
        result = await _async_eval_inner(result.expr, result.env, result.ctx)
    return result


async def _async_eval_inner(expr, env, ctx):
    """Intercept I/O primitives, delegate everything else to sync eval."""
    if isinstance(expr, list) and expr:
        head = expr[0]
        if isinstance(head, Symbol) and head.name in IO_PRIMITIVES:
            args_list, kwargs = await _parse_io_args(expr[1:], env, ctx)
            return await execute_io(head.name, args_list, kwargs, ctx)
    is_render = isinstance(expr, list) and is_render_expr(expr)
    result = eval_expr(expr, env)
    result = trampoline(result)
    if is_render and isinstance(result, str):
        return _RawHTML(result)
    return result


async def _parse_io_args(exprs, env, ctx):
    """Parse and evaluate I/O node args (keyword + positional)."""
    from shared.sx.types import Keyword as _Kw
    args_list = []
    kwargs = {}
    i = 0
    while i < len(exprs):
        item = exprs[i]
        if isinstance(item, _Kw) and i + 1 < len(exprs):
            kwargs[item.name] = await async_eval(exprs[i + 1], env, ctx)
            i += 2
        else:
            args_list.append(await async_eval(item, env, ctx))
            i += 1
    return args_list, kwargs


async def async_eval_to_sx(expr, env, ctx=None):
    """Evaluate and produce SX source string (wire format)."""
    if ctx is None:
        ctx = RequestContext()
    result = await async_aser(expr, env, ctx)
    if isinstance(result, SxExpr):
        return result
    if result is None or result is NIL:
        return SxExpr("")
    if isinstance(result, str):
        return SxExpr(result)
    return SxExpr(sx_serialize(result))


async def async_eval_slot_to_sx(expr, env, ctx=None):
    """Like async_eval_to_sx but expands component calls server-side."""
    if ctx is None:
        ctx = RequestContext()
    token = _expand_components_cv.set(True)
    try:
        result = await async_eval_slot_inner(expr, env, ctx)
        if isinstance(result, SxExpr):
            return result
        if result is None or result is NIL:
            return SxExpr("")
        if isinstance(result, str):
            return SxExpr(result)
        return SxExpr(sx_serialize(result))
    finally:
        _expand_components_cv.reset(token)


# === Transpiled from eval ===

# trampoline
def trampoline(val):
    result = val
    if sx_truthy(is_thunk(result)):
        return trampoline(eval_expr(thunk_expr(result), thunk_env(result)))
    else:
        return result

# eval-expr
def eval_expr(expr, env):
    _match = type_of(expr)
    if _match == 'number':
        return expr
    elif _match == 'string':
        return expr
    elif _match == 'boolean':
        return expr
    elif _match == 'nil':
        return NIL
    elif _match == 'symbol':
        name = symbol_name(expr)
        if sx_truthy(env_has(env, name)):
            return env_get(env, name)
        elif sx_truthy(is_primitive(name)):
            return get_primitive(name)
        elif sx_truthy((name == 'true')):
            return True
        elif sx_truthy((name == 'false')):
            return False
        elif sx_truthy((name == 'nil')):
            return NIL
        else:
            debug_log('Undefined symbol:', name, 'primitive?:', is_primitive(name))
            return error(sx_str('Undefined symbol: ', name))
    elif _match == 'keyword':
        return keyword_name(expr)
    elif _match == 'dict':
        return map_dict(lambda k, v: trampoline(eval_expr(v, env)), expr)
    elif _match == 'list':
        if sx_truthy(empty_p(expr)):
            return []
        else:
            return eval_list(expr, env)
    else:
        return expr

# eval-list
def eval_list(expr, env):
    head = first(expr)
    args = rest(expr)
    if sx_truthy((not sx_truthy(((type_of(head) == 'symbol') if sx_truthy((type_of(head) == 'symbol')) else ((type_of(head) == 'lambda') if sx_truthy((type_of(head) == 'lambda')) else (type_of(head) == 'list')))))):
        return map(lambda x: trampoline(eval_expr(x, env)), expr)
    else:
        if sx_truthy((type_of(head) == 'symbol')):
            name = symbol_name(head)
            if sx_truthy((name == 'if')):
                return sf_if(args, env)
            elif sx_truthy((name == 'when')):
                return sf_when(args, env)
            elif sx_truthy((name == 'cond')):
                return sf_cond(args, env)
            elif sx_truthy((name == 'case')):
                return sf_case(args, env)
            elif sx_truthy((name == 'and')):
                return sf_and(args, env)
            elif sx_truthy((name == 'or')):
                return sf_or(args, env)
            elif sx_truthy((name == 'let')):
                return sf_let(args, env)
            elif sx_truthy((name == 'let*')):
                return sf_let(args, env)
            elif sx_truthy((name == 'letrec')):
                return sf_letrec(args, env)
            elif sx_truthy((name == 'lambda')):
                return sf_lambda(args, env)
            elif sx_truthy((name == 'fn')):
                return sf_lambda(args, env)
            elif sx_truthy((name == 'define')):
                return sf_define(args, env)
            elif sx_truthy((name == 'defcomp')):
                return sf_defcomp(args, env)
            elif sx_truthy((name == 'defisland')):
                return sf_defisland(args, env)
            elif sx_truthy((name == 'defmacro')):
                return sf_defmacro(args, env)
            elif sx_truthy((name == 'defstyle')):
                return sf_defstyle(args, env)
            elif sx_truthy((name == 'defhandler')):
                return sf_defhandler(args, env)
            elif sx_truthy((name == 'defpage')):
                return sf_defpage(args, env)
            elif sx_truthy((name == 'defquery')):
                return sf_defquery(args, env)
            elif sx_truthy((name == 'defaction')):
                return sf_defaction(args, env)
            elif sx_truthy((name == 'deftype')):
                return sf_deftype(args, env)
            elif sx_truthy((name == 'defeffect')):
                return sf_defeffect(args, env)
            elif sx_truthy((name == 'begin')):
                return sf_begin(args, env)
            elif sx_truthy((name == 'do')):
                return sf_begin(args, env)
            elif sx_truthy((name == 'quote')):
                return sf_quote(args, env)
            elif sx_truthy((name == 'quasiquote')):
                return sf_quasiquote(args, env)
            elif sx_truthy((name == '->')):
                return sf_thread_first(args, env)
            elif sx_truthy((name == 'set!')):
                return sf_set_bang(args, env)
            elif sx_truthy((name == 'reset')):
                return sf_reset(args, env)
            elif sx_truthy((name == 'shift')):
                return sf_shift(args, env)
            elif sx_truthy((name == 'dynamic-wind')):
                return sf_dynamic_wind(args, env)
            elif sx_truthy((name == 'map')):
                return ho_map(args, env)
            elif sx_truthy((name == 'map-indexed')):
                return ho_map_indexed(args, env)
            elif sx_truthy((name == 'filter')):
                return ho_filter(args, env)
            elif sx_truthy((name == 'reduce')):
                return ho_reduce(args, env)
            elif sx_truthy((name == 'some')):
                return ho_some(args, env)
            elif sx_truthy((name == 'every?')):
                return ho_every(args, env)
            elif sx_truthy((name == 'for-each')):
                return ho_for_each(args, env)
            elif sx_truthy((env_has(env, name) if not sx_truthy(env_has(env, name)) else is_macro(env_get(env, name)))):
                mac = env_get(env, name)
                return make_thunk(expand_macro(mac, args, env), env)
            elif sx_truthy((render_active_p() if not sx_truthy(render_active_p()) else is_render_expr(expr))):
                return render_expr(expr, env)
            else:
                return eval_call(head, args, env)
        else:
            return eval_call(head, args, env)

# eval-call
def eval_call(head, args, env):
    f = trampoline(eval_expr(head, env))
    evaluated_args = map(lambda a: trampoline(eval_expr(a, env)), args)
    if sx_truthy((is_callable(f) if not sx_truthy(is_callable(f)) else ((not sx_truthy(is_lambda(f))) if not sx_truthy((not sx_truthy(is_lambda(f)))) else ((not sx_truthy(is_component(f))) if not sx_truthy((not sx_truthy(is_component(f)))) else (not sx_truthy(is_island(f))))))):
        return apply(f, evaluated_args)
    elif sx_truthy(is_lambda(f)):
        return call_lambda(f, evaluated_args, env)
    elif sx_truthy(is_component(f)):
        return call_component(f, args, env)
    elif sx_truthy(is_island(f)):
        return call_component(f, args, env)
    else:
        return error(sx_str('Not callable: ', inspect(f)))

# call-lambda
def call_lambda(f, args, caller_env):
    params = lambda_params(f)
    local = env_merge(lambda_closure(f), caller_env)
    if sx_truthy((len(args) > len(params))):
        return error(sx_str((lambda_name(f) if sx_truthy(lambda_name(f)) else 'lambda'), ' expects ', len(params), ' args, got ', len(args)))
    else:
        for pair in zip(params, args):
            local[first(pair)] = nth(pair, 1)
        for p in slice(params, len(args)):
            local[p] = NIL
        return make_thunk(lambda_body(f), local)

# call-component
def call_component(comp, raw_args, env):
    parsed = parse_keyword_args(raw_args, env)
    kwargs = first(parsed)
    children = nth(parsed, 1)
    local = env_merge(component_closure(comp), env)
    for p in component_params(comp):
        local[p] = (dict_get(kwargs, p) if sx_truthy(dict_get(kwargs, p)) else NIL)
    if sx_truthy(component_has_children(comp)):
        local['children'] = children
    return make_thunk(component_body(comp), local)

# parse-keyword-args
def parse_keyword_args(raw_args, env):
    kwargs = {}
    children = []
    i = 0
    reduce(lambda state, arg: (lambda idx: (lambda skip: (assoc(state, 'skip', False, 'i', (idx + 1)) if sx_truthy(skip) else (_sx_begin(_sx_dict_set(kwargs, keyword_name(arg), trampoline(eval_expr(nth(raw_args, (idx + 1)), env))), assoc(state, 'skip', True, 'i', (idx + 1))) if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((idx + 1) < len(raw_args)))) else _sx_begin(_sx_append(children, trampoline(eval_expr(arg, env))), assoc(state, 'i', (idx + 1))))))(get(state, 'skip')))(get(state, 'i')), {'i': 0, 'skip': False}, raw_args)
    return [kwargs, children]

# sf-if
def sf_if(args, env):
    condition = trampoline(eval_expr(first(args), env))
    if sx_truthy((condition if not sx_truthy(condition) else (not sx_truthy(is_nil(condition))))):
        return make_thunk(nth(args, 1), env)
    else:
        if sx_truthy((len(args) > 2)):
            return make_thunk(nth(args, 2), env)
        else:
            return NIL

# sf-when
def sf_when(args, env):
    condition = trampoline(eval_expr(first(args), env))
    if sx_truthy((condition if not sx_truthy(condition) else (not sx_truthy(is_nil(condition))))):
        for e in slice(args, 1, (len(args) - 1)):
            trampoline(eval_expr(e, env))
        return make_thunk(last(args), env)
    else:
        return NIL

# cond-scheme?
def cond_scheme_p(clauses):
    return every_p(lambda c: ((type_of(c) == 'list') if not sx_truthy((type_of(c) == 'list')) else (len(c) == 2)), clauses)

# sf-cond
def sf_cond(args, env):
    if sx_truthy(cond_scheme_p(args)):
        return sf_cond_scheme(args, env)
    else:
        return sf_cond_clojure(args, env)

# sf-cond-scheme
def sf_cond_scheme(clauses, env):
    if sx_truthy(empty_p(clauses)):
        return NIL
    else:
        clause = first(clauses)
        test = first(clause)
        body = nth(clause, 1)
        if sx_truthy((((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))) if sx_truthy(((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else')))) else ((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')))):
            return make_thunk(body, env)
        else:
            if sx_truthy(trampoline(eval_expr(test, env))):
                return make_thunk(body, env)
            else:
                return sf_cond_scheme(rest(clauses), env)

# sf-cond-clojure
def sf_cond_clojure(clauses, env):
    if sx_truthy((len(clauses) < 2)):
        return NIL
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))))):
            return make_thunk(body, env)
        else:
            if sx_truthy(trampoline(eval_expr(test, env))):
                return make_thunk(body, env)
            else:
                return sf_cond_clojure(slice(clauses, 2), env)

# sf-case
def sf_case(args, env):
    match_val = trampoline(eval_expr(first(args), env))
    clauses = rest(args)
    return sf_case_loop(match_val, clauses, env)

# sf-case-loop
def sf_case_loop(match_val, clauses, env):
    if sx_truthy((len(clauses) < 2)):
        return NIL
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))))):
            return make_thunk(body, env)
        else:
            if sx_truthy((match_val == trampoline(eval_expr(test, env)))):
                return make_thunk(body, env)
            else:
                return sf_case_loop(match_val, slice(clauses, 2), env)

# sf-and
def sf_and(args, env):
    if sx_truthy(empty_p(args)):
        return True
    else:
        val = trampoline(eval_expr(first(args), env))
        if sx_truthy((not sx_truthy(val))):
            return val
        else:
            if sx_truthy((len(args) == 1)):
                return val
            else:
                return sf_and(rest(args), env)

# sf-or
def sf_or(args, env):
    if sx_truthy(empty_p(args)):
        return False
    else:
        val = trampoline(eval_expr(first(args), env))
        if sx_truthy(val):
            return val
        else:
            return sf_or(rest(args), env)

# sf-let
def sf_let(args, env):
    if sx_truthy((type_of(first(args)) == 'symbol')):
        return sf_named_let(args, env)
    else:
        bindings = first(args)
        body = rest(args)
        local = env_extend(env)
        if sx_truthy(((type_of(first(bindings)) == 'list') if not sx_truthy((type_of(first(bindings)) == 'list')) else (len(first(bindings)) == 2))):
            for binding in bindings:
                vname = (symbol_name(first(binding)) if sx_truthy((type_of(first(binding)) == 'symbol')) else first(binding))
                local[vname] = trampoline(eval_expr(nth(binding, 1), local))
        else:
            i = 0
            reduce(lambda acc, pair_idx: (lambda vname: (lambda val_expr: _sx_dict_set(local, vname, trampoline(eval_expr(val_expr, local))))(nth(bindings, ((pair_idx * 2) + 1))))((symbol_name(nth(bindings, (pair_idx * 2))) if sx_truthy((type_of(nth(bindings, (pair_idx * 2))) == 'symbol')) else nth(bindings, (pair_idx * 2)))), NIL, range(0, (len(bindings) / 2)))
        for e in slice(body, 0, (len(body) - 1)):
            trampoline(eval_expr(e, local))
        return make_thunk(last(body), local)

# sf-named-let
def sf_named_let(args, env):
    loop_name = symbol_name(first(args))
    bindings = nth(args, 1)
    body = slice(args, 2)
    params = []
    inits = []
    if sx_truthy(((type_of(first(bindings)) == 'list') if not sx_truthy((type_of(first(bindings)) == 'list')) else (len(first(bindings)) == 2))):
        for binding in bindings:
            params.append((symbol_name(first(binding)) if sx_truthy((type_of(first(binding)) == 'symbol')) else first(binding)))
            inits.append(nth(binding, 1))
    else:
        reduce(lambda acc, pair_idx: _sx_begin(_sx_append(params, (symbol_name(nth(bindings, (pair_idx * 2))) if sx_truthy((type_of(nth(bindings, (pair_idx * 2))) == 'symbol')) else nth(bindings, (pair_idx * 2)))), _sx_append(inits, nth(bindings, ((pair_idx * 2) + 1)))), NIL, range(0, (len(bindings) / 2)))
    loop_body = (first(body) if sx_truthy((len(body) == 1)) else cons(make_symbol('begin'), body))
    loop_fn = make_lambda(params, loop_body, env)
    loop_fn.name = loop_name
    lambda_closure(loop_fn)[loop_name] = loop_fn
    init_vals = map(lambda e: trampoline(eval_expr(e, env)), inits)
    return call_lambda(loop_fn, init_vals, env)

# sf-lambda
def sf_lambda(args, env):
    params_expr = first(args)
    body_exprs = rest(args)
    body = (first(body_exprs) if sx_truthy((len(body_exprs) == 1)) else cons(make_symbol('begin'), body_exprs))
    param_names = map(lambda p: (symbol_name(p) if sx_truthy((type_of(p) == 'symbol')) else (symbol_name(first(p)) if sx_truthy(((type_of(p) == 'list') if not sx_truthy((type_of(p) == 'list')) else ((len(p) == 3) if not sx_truthy((len(p) == 3)) else ((type_of(nth(p, 1)) == 'keyword') if not sx_truthy((type_of(nth(p, 1)) == 'keyword')) else (keyword_name(nth(p, 1)) == 'as'))))) else p)), params_expr)
    return make_lambda(param_names, body, env)

# sf-define
def sf_define(args, env):
    name_sym = first(args)
    has_effects = ((len(args) >= 4) if not sx_truthy((len(args) >= 4)) else ((type_of(nth(args, 1)) == 'keyword') if not sx_truthy((type_of(nth(args, 1)) == 'keyword')) else (keyword_name(nth(args, 1)) == 'effects')))
    val_idx = (3 if sx_truthy(((len(args) >= 4) if not sx_truthy((len(args) >= 4)) else ((type_of(nth(args, 1)) == 'keyword') if not sx_truthy((type_of(nth(args, 1)) == 'keyword')) else (keyword_name(nth(args, 1)) == 'effects')))) else 1)
    value = trampoline(eval_expr(nth(args, val_idx), env))
    if sx_truthy((is_lambda(value) if not sx_truthy(is_lambda(value)) else is_nil(lambda_name(value)))):
        value.name = symbol_name(name_sym)
    env[symbol_name(name_sym)] = value
    if sx_truthy(has_effects):
        effects_raw = nth(args, 2)
        effect_list = (map(lambda e: (symbol_name(e) if sx_truthy((type_of(e) == 'symbol')) else sx_str(e)), effects_raw) if sx_truthy((type_of(effects_raw) == 'list')) else [sx_str(effects_raw)])
        effect_anns = (env_get(env, '*effect-annotations*') if sx_truthy(env_has(env, '*effect-annotations*')) else {})
        effect_anns[symbol_name(name_sym)] = effect_list
        env['*effect-annotations*'] = effect_anns
    return value

# sf-defcomp
def sf_defcomp(args, env):
    name_sym = first(args)
    params_raw = nth(args, 1)
    body = last(args)
    comp_name = strip_prefix(symbol_name(name_sym), '~')
    parsed = parse_comp_params(params_raw)
    params = first(parsed)
    has_children = nth(parsed, 1)
    param_types = nth(parsed, 2)
    affinity = defcomp_kwarg(args, 'affinity', 'auto')
    comp = make_component(comp_name, params, has_children, body, env, affinity)
    effects = defcomp_kwarg(args, 'effects', NIL)
    if sx_truthy(((not sx_truthy(is_nil(param_types))) if not sx_truthy((not sx_truthy(is_nil(param_types)))) else (not sx_truthy(empty_p(keys(param_types)))))):
        component_set_param_types(comp, param_types)
    if sx_truthy((not sx_truthy(is_nil(effects)))):
        effect_list = (map(lambda e: (symbol_name(e) if sx_truthy((type_of(e) == 'symbol')) else sx_str(e)), effects) if sx_truthy((type_of(effects) == 'list')) else [sx_str(effects)])
        effect_anns = (env_get(env, '*effect-annotations*') if sx_truthy(env_has(env, '*effect-annotations*')) else {})
        effect_anns[symbol_name(name_sym)] = effect_list
        env['*effect-annotations*'] = effect_anns
    env[symbol_name(name_sym)] = comp
    return comp

# defcomp-kwarg
def defcomp_kwarg(args, key, default_):
    _cells = {}
    end = (len(args) - 1)
    _cells['result'] = default_
    for i in range(2, end, 1):
        if sx_truthy(((type_of(nth(args, i)) == 'keyword') if not sx_truthy((type_of(nth(args, i)) == 'keyword')) else ((keyword_name(nth(args, i)) == key) if not sx_truthy((keyword_name(nth(args, i)) == key)) else ((i + 1) < end)))):
            val = nth(args, (i + 1))
            _cells['result'] = (keyword_name(val) if sx_truthy((type_of(val) == 'keyword')) else val)
    return _cells['result']

# parse-comp-params
def parse_comp_params(params_expr):
    _cells = {}
    params = []
    param_types = {}
    _cells['has_children'] = False
    _cells['in_key'] = False
    for p in params_expr:
        if sx_truthy(((type_of(p) == 'list') if not sx_truthy((type_of(p) == 'list')) else ((len(p) == 3) if not sx_truthy((len(p) == 3)) else ((type_of(first(p)) == 'symbol') if not sx_truthy((type_of(first(p)) == 'symbol')) else ((type_of(nth(p, 1)) == 'keyword') if not sx_truthy((type_of(nth(p, 1)) == 'keyword')) else (keyword_name(nth(p, 1)) == 'as')))))):
            name = symbol_name(first(p))
            ptype = nth(p, 2)
            type_val = (symbol_name(ptype) if sx_truthy((type_of(ptype) == 'symbol')) else ptype)
            if sx_truthy((not sx_truthy(_cells['has_children']))):
                params.append(name)
                param_types[name] = type_val
        else:
            if sx_truthy((type_of(p) == 'symbol')):
                name = symbol_name(p)
                if sx_truthy((name == '&key')):
                    _cells['in_key'] = True
                elif sx_truthy((name == '&rest')):
                    _cells['has_children'] = True
                elif sx_truthy((name == '&children')):
                    _cells['has_children'] = True
                elif sx_truthy(_cells['has_children']):
                    NIL
                elif sx_truthy(_cells['in_key']):
                    params.append(name)
                else:
                    params.append(name)
    return [params, _cells['has_children'], param_types]

# sf-defisland
def sf_defisland(args, env):
    name_sym = first(args)
    params_raw = nth(args, 1)
    body = last(args)
    comp_name = strip_prefix(symbol_name(name_sym), '~')
    parsed = parse_comp_params(params_raw)
    params = first(parsed)
    has_children = nth(parsed, 1)
    island = make_island(comp_name, params, has_children, body, env)
    env[symbol_name(name_sym)] = island
    return island

# sf-defmacro
def sf_defmacro(args, env):
    name_sym = first(args)
    params_raw = nth(args, 1)
    body = nth(args, 2)
    parsed = parse_macro_params(params_raw)
    params = first(parsed)
    rest_param = nth(parsed, 1)
    mac = make_macro(params, rest_param, body, env, symbol_name(name_sym))
    env[symbol_name(name_sym)] = mac
    return mac

# parse-macro-params
def parse_macro_params(params_expr):
    _cells = {}
    params = []
    _cells['rest_param'] = NIL
    reduce(lambda state, p: (assoc(state, 'in-rest', True) if sx_truthy(((type_of(p) == 'symbol') if not sx_truthy((type_of(p) == 'symbol')) else (symbol_name(p) == '&rest'))) else (_sx_begin(_sx_cell_set(_cells, 'rest_param', (symbol_name(p) if sx_truthy((type_of(p) == 'symbol')) else p)), state) if sx_truthy(get(state, 'in-rest')) else _sx_begin(_sx_append(params, (symbol_name(p) if sx_truthy((type_of(p) == 'symbol')) else p)), state))), {'in-rest': False}, params_expr)
    return [params, _cells['rest_param']]

# sf-defstyle
def sf_defstyle(args, env):
    name_sym = first(args)
    value = trampoline(eval_expr(nth(args, 1), env))
    env[symbol_name(name_sym)] = value
    return value

# make-type-def
def make_type_def(name, params, body):
    return {'name': name, 'params': params, 'body': body}

# normalize-type-body
def normalize_type_body(body):
    if sx_truthy(is_nil(body)):
        return 'nil'
    elif sx_truthy((type_of(body) == 'symbol')):
        return symbol_name(body)
    elif sx_truthy((type_of(body) == 'string')):
        return body
    elif sx_truthy((type_of(body) == 'keyword')):
        return keyword_name(body)
    elif sx_truthy((type_of(body) == 'dict')):
        return map_dict(lambda k, v: normalize_type_body(v), body)
    elif sx_truthy((type_of(body) == 'list')):
        if sx_truthy(empty_p(body)):
            return 'any'
        else:
            head = first(body)
            head_name = (symbol_name(head) if sx_truthy((type_of(head) == 'symbol')) else sx_str(head))
            if sx_truthy((head_name == 'union')):
                return cons('or', map(normalize_type_body, rest(body)))
            else:
                return cons(head_name, map(normalize_type_body, rest(body)))
    else:
        return sx_str(body)

# sf-deftype
def sf_deftype(args, env):
    name_or_form = first(args)
    body_expr = nth(args, 1)
    type_name = NIL
    type_params = []
    if sx_truthy((type_of(name_or_form) == 'symbol')):
        type_name = symbol_name(name_or_form)
    else:
        if sx_truthy((type_of(name_or_form) == 'list')):
            type_name = symbol_name(first(name_or_form))
            type_params = map(lambda p: (symbol_name(p) if sx_truthy((type_of(p) == 'symbol')) else sx_str(p)), rest(name_or_form))
    body = normalize_type_body(body_expr)
    registry = (env_get(env, '*type-registry*') if sx_truthy(env_has(env, '*type-registry*')) else {})
    registry[type_name] = make_type_def(type_name, type_params, body)
    env['*type-registry*'] = registry
    return NIL

# sf-defeffect
def sf_defeffect(args, env):
    effect_name = (symbol_name(first(args)) if sx_truthy((type_of(first(args)) == 'symbol')) else sx_str(first(args)))
    registry = (env_get(env, '*effect-registry*') if sx_truthy(env_has(env, '*effect-registry*')) else [])
    if sx_truthy((not sx_truthy(contains_p(registry, effect_name)))):
        registry.append(effect_name)
    env['*effect-registry*'] = registry
    return NIL

# sf-begin
def sf_begin(args, env):
    if sx_truthy(empty_p(args)):
        return NIL
    else:
        for e in slice(args, 0, (len(args) - 1)):
            trampoline(eval_expr(e, env))
        return make_thunk(last(args), env)

# sf-quote
def sf_quote(args, env):
    if sx_truthy(empty_p(args)):
        return NIL
    else:
        return first(args)

# sf-quasiquote
def sf_quasiquote(args, env):
    return qq_expand(first(args), env)

# qq-expand
def qq_expand(template, env):
    if sx_truthy((not sx_truthy((type_of(template) == 'list')))):
        return template
    else:
        if sx_truthy(empty_p(template)):
            return []
        else:
            head = first(template)
            if sx_truthy(((type_of(head) == 'symbol') if not sx_truthy((type_of(head) == 'symbol')) else (symbol_name(head) == 'unquote'))):
                return trampoline(eval_expr(nth(template, 1), env))
            else:
                return reduce(lambda result, item: ((lambda spliced: (concat(result, spliced) if sx_truthy((type_of(spliced) == 'list')) else (result if sx_truthy(is_nil(spliced)) else concat(result, [spliced]))))(trampoline(eval_expr(nth(item, 1), env))) if sx_truthy(((type_of(item) == 'list') if not sx_truthy((type_of(item) == 'list')) else ((len(item) == 2) if not sx_truthy((len(item) == 2)) else ((type_of(first(item)) == 'symbol') if not sx_truthy((type_of(first(item)) == 'symbol')) else (symbol_name(first(item)) == 'splice-unquote'))))) else concat(result, [qq_expand(item, env)])), [], template)

# sf-thread-first
def sf_thread_first(args, env):
    val = trampoline(eval_expr(first(args), env))
    return reduce(lambda result, form: ((lambda f: (lambda rest_args: (lambda all_args: (apply(f, all_args) if sx_truthy((is_callable(f) if not sx_truthy(is_callable(f)) else (not sx_truthy(is_lambda(f))))) else (trampoline(call_lambda(f, all_args, env)) if sx_truthy(is_lambda(f)) else error(sx_str('-> form not callable: ', inspect(f))))))(cons(result, rest_args)))(map(lambda a: trampoline(eval_expr(a, env)), rest(form))))(trampoline(eval_expr(first(form), env))) if sx_truthy((type_of(form) == 'list')) else (lambda f: (f(result) if sx_truthy((is_callable(f) if not sx_truthy(is_callable(f)) else (not sx_truthy(is_lambda(f))))) else (trampoline(call_lambda(f, [result], env)) if sx_truthy(is_lambda(f)) else error(sx_str('-> form not callable: ', inspect(f))))))(trampoline(eval_expr(form, env)))), val, rest(args))

# sf-set!
def sf_set_bang(args, env):
    name = symbol_name(first(args))
    value = trampoline(eval_expr(nth(args, 1), env))
    env[name] = value
    return value

# sf-letrec
def sf_letrec(args, env):
    bindings = first(args)
    body = rest(args)
    local = env_extend(env)
    names = []
    val_exprs = []
    if sx_truthy(((type_of(first(bindings)) == 'list') if not sx_truthy((type_of(first(bindings)) == 'list')) else (len(first(bindings)) == 2))):
        for binding in bindings:
            vname = (symbol_name(first(binding)) if sx_truthy((type_of(first(binding)) == 'symbol')) else first(binding))
            names.append(vname)
            val_exprs.append(nth(binding, 1))
            local[vname] = NIL
    else:
        reduce(lambda acc, pair_idx: (lambda vname: (lambda val_expr: _sx_begin(_sx_append(names, vname), _sx_append(val_exprs, val_expr), _sx_dict_set(local, vname, NIL)))(nth(bindings, ((pair_idx * 2) + 1))))((symbol_name(nth(bindings, (pair_idx * 2))) if sx_truthy((type_of(nth(bindings, (pair_idx * 2))) == 'symbol')) else nth(bindings, (pair_idx * 2)))), NIL, range(0, (len(bindings) / 2)))
    values = map(lambda e: trampoline(eval_expr(e, local)), val_exprs)
    for pair in zip(names, values):
        local[first(pair)] = nth(pair, 1)
    for val in values:
        if sx_truthy(is_lambda(val)):
            for n in names:
                lambda_closure(val)[n] = env_get(local, n)
    for e in slice(body, 0, (len(body) - 1)):
        trampoline(eval_expr(e, local))
    return make_thunk(last(body), local)

# sf-dynamic-wind
def sf_dynamic_wind(args, env):
    before = trampoline(eval_expr(first(args), env))
    body = trampoline(eval_expr(nth(args, 1), env))
    after = trampoline(eval_expr(nth(args, 2), env))
    call_thunk(before, env)
    push_wind_b(before, after)
    result = call_thunk(body, env)
    pop_wind_b()
    call_thunk(after, env)
    return result

# expand-macro
def expand_macro(mac, raw_args, env):
    local = env_merge(macro_closure(mac), env)
    for pair in map_indexed(lambda i, p: [p, i], macro_params(mac)):
        local[first(pair)] = (nth(raw_args, nth(pair, 1)) if sx_truthy((nth(pair, 1) < len(raw_args))) else NIL)
    if sx_truthy(macro_rest_param(mac)):
        local[macro_rest_param(mac)] = slice(raw_args, len(macro_params(mac)))
    return trampoline(eval_expr(macro_body(mac), local))

# call-fn
def call_fn(f, args, env):
    if sx_truthy(is_lambda(f)):
        return trampoline(call_lambda(f, args, env))
    elif sx_truthy(is_callable(f)):
        return apply(f, args)
    else:
        return error(sx_str('Not callable in HO form: ', inspect(f)))

# ho-map
def ho_map(args, env):
    f = trampoline(eval_expr(first(args), env))
    coll = trampoline(eval_expr(nth(args, 1), env))
    return map(lambda item: call_fn(f, [item], env), coll)

# ho-map-indexed
def ho_map_indexed(args, env):
    f = trampoline(eval_expr(first(args), env))
    coll = trampoline(eval_expr(nth(args, 1), env))
    return map_indexed(lambda i, item: call_fn(f, [i, item], env), coll)

# ho-filter
def ho_filter(args, env):
    f = trampoline(eval_expr(first(args), env))
    coll = trampoline(eval_expr(nth(args, 1), env))
    return filter(lambda item: call_fn(f, [item], env), coll)

# ho-reduce
def ho_reduce(args, env):
    f = trampoline(eval_expr(first(args), env))
    init = trampoline(eval_expr(nth(args, 1), env))
    coll = trampoline(eval_expr(nth(args, 2), env))
    return reduce(lambda acc, item: call_fn(f, [acc, item], env), init, coll)

# ho-some
def ho_some(args, env):
    f = trampoline(eval_expr(first(args), env))
    coll = trampoline(eval_expr(nth(args, 1), env))
    return some(lambda item: call_fn(f, [item], env), coll)

# ho-every
def ho_every(args, env):
    f = trampoline(eval_expr(first(args), env))
    coll = trampoline(eval_expr(nth(args, 1), env))
    return every_p(lambda item: call_fn(f, [item], env), coll)

# ho-for-each
def ho_for_each(args, env):
    f = trampoline(eval_expr(first(args), env))
    coll = trampoline(eval_expr(nth(args, 1), env))
    for item in coll:
        call_fn(f, [item], env)
    return NIL


# === Transpiled from forms (server definition forms) ===

# parse-key-params
def parse_key_params(params_expr):
    _cells = {}
    params = []
    _cells['in_key'] = False
    for p in params_expr:
        if sx_truthy((type_of(p) == 'symbol')):
            name = symbol_name(p)
            if sx_truthy((name == '&key')):
                _cells['in_key'] = True
            elif sx_truthy(_cells['in_key']):
                params.append(name)
            else:
                params.append(name)
    return params

# parse-handler-args
def parse_handler_args(args):
    _cells = {}
    'Parse defhandler args after the name symbol.\n     Scans for :keyword value option pairs, then a list (params), then body.\n     Returns dict with keys: opts, params, body.'
    opts = {}
    _cells['params'] = []
    _cells['body'] = NIL
    _cells['i'] = 0
    n = len(args)
    _cells['done'] = False
    for idx in range(0, n):
        if sx_truthy(((not sx_truthy(_cells['done'])) if not sx_truthy((not sx_truthy(_cells['done']))) else (idx == _cells['i']))):
            arg = nth(args, idx)
            if sx_truthy((type_of(arg) == 'keyword')):
                if sx_truthy(((idx + 1) < n)):
                    val = nth(args, (idx + 1))
                    opts[keyword_name(arg)] = (keyword_name(val) if sx_truthy((type_of(val) == 'keyword')) else val)
                _cells['i'] = (idx + 2)
            elif sx_truthy((type_of(arg) == 'list')):
                _cells['params'] = parse_key_params(arg)
                if sx_truthy(((idx + 1) < n)):
                    _cells['body'] = nth(args, (idx + 1))
                _cells['done'] = True
            else:
                _cells['body'] = arg
                _cells['done'] = True
    return {'opts': opts, 'params': _cells['params'], 'body': _cells['body']}

# sf-defhandler
def sf_defhandler(args, env):
    name_sym = first(args)
    name = symbol_name(name_sym)
    parsed = parse_handler_args(rest(args))
    opts = get(parsed, 'opts')
    params = get(parsed, 'params')
    body = get(parsed, 'body')
    hdef = make_handler_def(name, params, body, env, opts)
    env[sx_str('handler:', name)] = hdef
    return hdef

# sf-defquery
def sf_defquery(args, env):
    name_sym = first(args)
    params_raw = nth(args, 1)
    name = symbol_name(name_sym)
    params = parse_key_params(params_raw)
    has_doc = ((len(args) >= 4) if not sx_truthy((len(args) >= 4)) else (type_of(nth(args, 2)) == 'string'))
    doc = (nth(args, 2) if sx_truthy(has_doc) else '')
    body = (nth(args, 3) if sx_truthy(has_doc) else nth(args, 2))
    qdef = make_query_def(name, params, doc, body, env)
    env[sx_str('query:', name)] = qdef
    return qdef

# sf-defaction
def sf_defaction(args, env):
    name_sym = first(args)
    params_raw = nth(args, 1)
    name = symbol_name(name_sym)
    params = parse_key_params(params_raw)
    has_doc = ((len(args) >= 4) if not sx_truthy((len(args) >= 4)) else (type_of(nth(args, 2)) == 'string'))
    doc = (nth(args, 2) if sx_truthy(has_doc) else '')
    body = (nth(args, 3) if sx_truthy(has_doc) else nth(args, 2))
    adef = make_action_def(name, params, doc, body, env)
    env[sx_str('action:', name)] = adef
    return adef

# sf-defpage
def sf_defpage(args, env):
    name_sym = first(args)
    name = symbol_name(name_sym)
    slots = {}
    i = 1
    max_i = len(args)
    for idx in range(1, max_i, 2):
        if sx_truthy(((idx < max_i) if not sx_truthy((idx < max_i)) else (type_of(nth(args, idx)) == 'keyword'))):
            if sx_truthy(((idx + 1) < max_i)):
                slots[keyword_name(nth(args, idx))] = nth(args, (idx + 1))
    pdef = make_page_def(name, slots, env)
    env[sx_str('page:', name)] = pdef
    return pdef

# stream-chunk-id
def stream_chunk_id(chunk):
    if sx_truthy(has_key_p(chunk, 'stream-id')):
        return get(chunk, 'stream-id')
    else:
        return 'stream-content'

# stream-chunk-bindings
def stream_chunk_bindings(chunk):
    return dissoc(chunk, 'stream-id')

# normalize-binding-key
def normalize_binding_key(key):
    return replace(key, '_', '-')

# bind-stream-chunk
def bind_stream_chunk(chunk, base_env):
    env = merge({}, base_env)
    bindings = stream_chunk_bindings(chunk)
    for key in keys(bindings):
        env[normalize_binding_key(key)] = get(bindings, key)
    return env

# validate-stream-data
def validate_stream_data(data):
    return ((type_of(data) == 'list') if not sx_truthy((type_of(data) == 'list')) else every_p(lambda item: (type_of(item) == 'dict'), data))


# === Transpiled from render (core) ===

# HTML_TAGS
HTML_TAGS = ['html', 'head', 'body', 'title', 'meta', 'link', 'script', 'style', 'noscript', 'header', 'nav', 'main', 'section', 'article', 'aside', 'footer', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hgroup', 'div', 'p', 'blockquote', 'pre', 'figure', 'figcaption', 'address', 'details', 'summary', 'a', 'span', 'em', 'strong', 'small', 'b', 'i', 'u', 's', 'mark', 'sub', 'sup', 'abbr', 'cite', 'code', 'time', 'br', 'wbr', 'hr', 'ul', 'ol', 'li', 'dl', 'dt', 'dd', 'table', 'thead', 'tbody', 'tfoot', 'tr', 'th', 'td', 'caption', 'colgroup', 'col', 'form', 'input', 'textarea', 'select', 'option', 'optgroup', 'button', 'label', 'fieldset', 'legend', 'output', 'datalist', 'img', 'video', 'audio', 'source', 'picture', 'canvas', 'iframe', 'svg', 'math', 'path', 'circle', 'ellipse', 'rect', 'line', 'polyline', 'polygon', 'text', 'tspan', 'g', 'defs', 'use', 'clipPath', 'mask', 'pattern', 'linearGradient', 'radialGradient', 'stop', 'filter', 'feGaussianBlur', 'feOffset', 'feBlend', 'feColorMatrix', 'feComposite', 'feMerge', 'feMergeNode', 'feTurbulence', 'feComponentTransfer', 'feFuncR', 'feFuncG', 'feFuncB', 'feFuncA', 'feDisplacementMap', 'feFlood', 'feImage', 'feMorphology', 'feSpecularLighting', 'feDiffuseLighting', 'fePointLight', 'feSpotLight', 'feDistantLight', 'animate', 'animateTransform', 'foreignObject', 'template', 'slot', 'dialog', 'menu']

# VOID_ELEMENTS
VOID_ELEMENTS = ['area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', 'track', 'wbr']

# BOOLEAN_ATTRS
BOOLEAN_ATTRS = ['async', 'autofocus', 'autoplay', 'checked', 'controls', 'default', 'defer', 'disabled', 'formnovalidate', 'hidden', 'inert', 'ismap', 'loop', 'multiple', 'muted', 'nomodule', 'novalidate', 'open', 'playsinline', 'readonly', 'required', 'reversed', 'selected']

# definition-form?
def is_definition_form(name):
    return ((name == 'define') if sx_truthy((name == 'define')) else ((name == 'defcomp') if sx_truthy((name == 'defcomp')) else ((name == 'defisland') if sx_truthy((name == 'defisland')) else ((name == 'defmacro') if sx_truthy((name == 'defmacro')) else ((name == 'defstyle') if sx_truthy((name == 'defstyle')) else ((name == 'defhandler') if sx_truthy((name == 'defhandler')) else ((name == 'deftype') if sx_truthy((name == 'deftype')) else (name == 'defeffect'))))))))

# parse-element-args
def parse_element_args(args, env):
    attrs = {}
    children = []
    reduce(lambda state, arg: (lambda skip: (assoc(state, 'skip', False, 'i', (get(state, 'i') + 1)) if sx_truthy(skip) else ((lambda val: _sx_begin(_sx_dict_set(attrs, keyword_name(arg), val), assoc(state, 'skip', True, 'i', (get(state, 'i') + 1))))(trampoline(eval_expr(nth(args, (get(state, 'i') + 1)), env))) if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((get(state, 'i') + 1) < len(args)))) else _sx_begin(_sx_append(children, arg), assoc(state, 'i', (get(state, 'i') + 1))))))(get(state, 'skip')), {'i': 0, 'skip': False}, args)
    return [attrs, children]

# render-attrs
def render_attrs(attrs):
    return join('', map(lambda key: (lambda val: (sx_str(' ', key) if sx_truthy((contains_p(BOOLEAN_ATTRS, key) if not sx_truthy(contains_p(BOOLEAN_ATTRS, key)) else val)) else ('' if sx_truthy((contains_p(BOOLEAN_ATTRS, key) if not sx_truthy(contains_p(BOOLEAN_ATTRS, key)) else (not sx_truthy(val)))) else ('' if sx_truthy(is_nil(val)) else sx_str(' ', key, '="', escape_attr(sx_str(val)), '"')))))(dict_get(attrs, key)), keys(attrs)))

# eval-cond
def eval_cond(clauses, env):
    if sx_truthy(cond_scheme_p(clauses)):
        return eval_cond_scheme(clauses, env)
    else:
        return eval_cond_clojure(clauses, env)

# eval-cond-scheme
def eval_cond_scheme(clauses, env):
    if sx_truthy(empty_p(clauses)):
        return NIL
    else:
        clause = first(clauses)
        test = first(clause)
        body = nth(clause, 1)
        if sx_truthy((((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))) if sx_truthy(((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else')))) else ((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')))):
            return body
        else:
            if sx_truthy(trampoline(eval_expr(test, env))):
                return body
            else:
                return eval_cond_scheme(rest(clauses), env)

# eval-cond-clojure
def eval_cond_clojure(clauses, env):
    if sx_truthy((len(clauses) < 2)):
        return NIL
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))))):
            return body
        else:
            if sx_truthy(trampoline(eval_expr(test, env))):
                return body
            else:
                return eval_cond_clojure(slice(clauses, 2), env)

# process-bindings
def process_bindings(bindings, env):
    local = env_extend(env)
    for pair in bindings:
        if sx_truthy(((type_of(pair) == 'list') if not sx_truthy((type_of(pair) == 'list')) else (len(pair) >= 2))):
            name = (symbol_name(first(pair)) if sx_truthy((type_of(first(pair)) == 'symbol')) else sx_str(first(pair)))
            local[name] = trampoline(eval_expr(nth(pair, 1), local))
    return local

# is-render-expr?
def is_render_expr(expr):
    if sx_truthy(((not sx_truthy((type_of(expr) == 'list'))) if sx_truthy((not sx_truthy((type_of(expr) == 'list')))) else empty_p(expr))):
        return False
    else:
        h = first(expr)
        if sx_truthy((not sx_truthy((type_of(h) == 'symbol')))):
            return False
        else:
            n = symbol_name(h)
            return ((n == '<>') if sx_truthy((n == '<>')) else ((n == 'raw!') if sx_truthy((n == 'raw!')) else (starts_with_p(n, '~') if sx_truthy(starts_with_p(n, '~')) else (starts_with_p(n, 'html:') if sx_truthy(starts_with_p(n, 'html:')) else (contains_p(HTML_TAGS, n) if sx_truthy(contains_p(HTML_TAGS, n)) else ((index_of(n, '-') > 0) if not sx_truthy((index_of(n, '-') > 0)) else ((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword'))))))))


# === Transpiled from adapter-html ===

# render-to-html
def render_to_html(expr, env):
    set_render_active_b(True)
    _match = type_of(expr)
    if _match == 'nil':
        return ''
    elif _match == 'string':
        return escape_html(expr)
    elif _match == 'number':
        return sx_str(expr)
    elif _match == 'boolean':
        if sx_truthy(expr):
            return 'true'
        else:
            return 'false'
    elif _match == 'list':
        if sx_truthy(empty_p(expr)):
            return ''
        else:
            return render_list_to_html(expr, env)
    elif _match == 'symbol':
        return render_value_to_html(trampoline(eval_expr(expr, env)), env)
    elif _match == 'keyword':
        return escape_html(keyword_name(expr))
    elif _match == 'raw-html':
        return raw_html_content(expr)
    else:
        return render_value_to_html(trampoline(eval_expr(expr, env)), env)

# render-value-to-html
def render_value_to_html(val, env):
    _match = type_of(val)
    if _match == 'nil':
        return ''
    elif _match == 'string':
        return escape_html(val)
    elif _match == 'number':
        return sx_str(val)
    elif _match == 'boolean':
        if sx_truthy(val):
            return 'true'
        else:
            return 'false'
    elif _match == 'list':
        return render_list_to_html(val, env)
    elif _match == 'raw-html':
        return raw_html_content(val)
    else:
        return escape_html(sx_str(val))

# RENDER_HTML_FORMS
RENDER_HTML_FORMS = ['if', 'when', 'cond', 'case', 'let', 'let*', 'begin', 'do', 'define', 'defcomp', 'defisland', 'defmacro', 'defstyle', 'defhandler', 'deftype', 'defeffect', 'map', 'map-indexed', 'filter', 'for-each']

# render-html-form?
def is_render_html_form(name):
    return contains_p(RENDER_HTML_FORMS, name)

# render-list-to-html
def render_list_to_html(expr, env):
    if sx_truthy(empty_p(expr)):
        return ''
    else:
        head = first(expr)
        if sx_truthy((not sx_truthy((type_of(head) == 'symbol')))):
            return join('', map(lambda x: render_value_to_html(x, env), expr))
        else:
            name = symbol_name(head)
            args = rest(expr)
            if sx_truthy((name == '<>')):
                return join('', map(lambda x: render_to_html(x, env), args))
            elif sx_truthy((name == 'raw!')):
                return join('', map(lambda x: sx_str(trampoline(eval_expr(x, env))), args))
            elif sx_truthy((name == 'lake')):
                return render_html_lake(args, env)
            elif sx_truthy((name == 'marsh')):
                return render_html_marsh(args, env)
            elif sx_truthy(contains_p(HTML_TAGS, name)):
                return render_html_element(name, args, env)
            elif sx_truthy((starts_with_p(name, '~') if not sx_truthy(starts_with_p(name, '~')) else (env_has(env, name) if not sx_truthy(env_has(env, name)) else is_island(env_get(env, name))))):
                return render_html_island(env_get(env, name), args, env)
            elif sx_truthy(starts_with_p(name, '~')):
                val = env_get(env, name)
                if sx_truthy(is_component(val)):
                    return render_html_component(val, args, env)
                elif sx_truthy(is_macro(val)):
                    return render_to_html(expand_macro(val, args, env), env)
                else:
                    return error(sx_str('Unknown component: ', name))
            elif sx_truthy(is_render_html_form(name)):
                return dispatch_html_form(name, expr, env)
            elif sx_truthy((env_has(env, name) if not sx_truthy(env_has(env, name)) else is_macro(env_get(env, name)))):
                return render_to_html(expand_macro(env_get(env, name), args, env), env)
            else:
                return render_value_to_html(trampoline(eval_expr(expr, env)), env)

# dispatch-html-form
def dispatch_html_form(name, expr, env):
    if sx_truthy((name == 'if')):
        cond_val = trampoline(eval_expr(nth(expr, 1), env))
        if sx_truthy(cond_val):
            return render_to_html(nth(expr, 2), env)
        else:
            if sx_truthy((len(expr) > 3)):
                return render_to_html(nth(expr, 3), env)
            else:
                return ''
    elif sx_truthy((name == 'when')):
        if sx_truthy((not sx_truthy(trampoline(eval_expr(nth(expr, 1), env))))):
            return ''
        else:
            return join('', map(lambda i: render_to_html(nth(expr, i), env), range(2, len(expr))))
    elif sx_truthy((name == 'cond')):
        branch = eval_cond(rest(expr), env)
        if sx_truthy(branch):
            return render_to_html(branch, env)
        else:
            return ''
    elif sx_truthy((name == 'case')):
        return render_to_html(trampoline(eval_expr(expr, env)), env)
    elif sx_truthy(((name == 'let') if sx_truthy((name == 'let')) else (name == 'let*'))):
        local = process_bindings(nth(expr, 1), env)
        return join('', map(lambda i: render_to_html(nth(expr, i), local), range(2, len(expr))))
    elif sx_truthy(((name == 'begin') if sx_truthy((name == 'begin')) else (name == 'do'))):
        return join('', map(lambda i: render_to_html(nth(expr, i), env), range(1, len(expr))))
    elif sx_truthy(is_definition_form(name)):
        trampoline(eval_expr(expr, env))
        return ''
    elif sx_truthy((name == 'map')):
        f = trampoline(eval_expr(nth(expr, 1), env))
        coll = trampoline(eval_expr(nth(expr, 2), env))
        return join('', map(lambda item: (render_lambda_html(f, [item], env) if sx_truthy(is_lambda(f)) else render_to_html(apply(f, [item]), env)), coll))
    elif sx_truthy((name == 'map-indexed')):
        f = trampoline(eval_expr(nth(expr, 1), env))
        coll = trampoline(eval_expr(nth(expr, 2), env))
        return join('', map_indexed(lambda i, item: (render_lambda_html(f, [i, item], env) if sx_truthy(is_lambda(f)) else render_to_html(apply(f, [i, item]), env)), coll))
    elif sx_truthy((name == 'filter')):
        return render_to_html(trampoline(eval_expr(expr, env)), env)
    elif sx_truthy((name == 'for-each')):
        f = trampoline(eval_expr(nth(expr, 1), env))
        coll = trampoline(eval_expr(nth(expr, 2), env))
        return join('', map(lambda item: (render_lambda_html(f, [item], env) if sx_truthy(is_lambda(f)) else render_to_html(apply(f, [item]), env)), coll))
    else:
        return render_value_to_html(trampoline(eval_expr(expr, env)), env)

# render-lambda-html
def render_lambda_html(f, args, env):
    local = env_merge(lambda_closure(f), env)
    for_each_indexed(lambda i, p: _sx_dict_set(local, p, nth(args, i)), lambda_params(f))
    return render_to_html(lambda_body(f), local)

# render-html-component
def render_html_component(comp, args, env):
    kwargs = {}
    children = []
    reduce(lambda state, arg: (lambda skip: (assoc(state, 'skip', False, 'i', (get(state, 'i') + 1)) if sx_truthy(skip) else ((lambda val: _sx_begin(_sx_dict_set(kwargs, keyword_name(arg), val), assoc(state, 'skip', True, 'i', (get(state, 'i') + 1))))(trampoline(eval_expr(nth(args, (get(state, 'i') + 1)), env))) if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((get(state, 'i') + 1) < len(args)))) else _sx_begin(_sx_append(children, arg), assoc(state, 'i', (get(state, 'i') + 1))))))(get(state, 'skip')), {'i': 0, 'skip': False}, args)
    local = env_merge(component_closure(comp), env)
    for p in component_params(comp):
        local[p] = (dict_get(kwargs, p) if sx_truthy(dict_has(kwargs, p)) else NIL)
    if sx_truthy(component_has_children(comp)):
        local['children'] = make_raw_html(join('', map(lambda c: render_to_html(c, env), children)))
    return render_to_html(component_body(comp), local)

# render-html-element
def render_html_element(tag, args, env):
    parsed = parse_element_args(args, env)
    attrs = first(parsed)
    children = nth(parsed, 1)
    is_void = contains_p(VOID_ELEMENTS, tag)
    return sx_str('<', tag, render_attrs(attrs), (' />' if sx_truthy(is_void) else sx_str('>', join('', map(lambda c: render_to_html(c, env), children)), '</', tag, '>')))

# render-html-lake
def render_html_lake(args, env):
    _cells = {}
    _cells['lake_id'] = NIL
    _cells['lake_tag'] = 'div'
    children = []
    reduce(lambda state, arg: (lambda skip: (assoc(state, 'skip', False, 'i', (get(state, 'i') + 1)) if sx_truthy(skip) else ((lambda kname: (lambda kval: _sx_begin((_sx_cell_set(_cells, 'lake_id', kval) if sx_truthy((kname == 'id')) else (_sx_cell_set(_cells, 'lake_tag', kval) if sx_truthy((kname == 'tag')) else NIL)), assoc(state, 'skip', True, 'i', (get(state, 'i') + 1))))(trampoline(eval_expr(nth(args, (get(state, 'i') + 1)), env))))(keyword_name(arg)) if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((get(state, 'i') + 1) < len(args)))) else _sx_begin(_sx_append(children, arg), assoc(state, 'i', (get(state, 'i') + 1))))))(get(state, 'skip')), {'i': 0, 'skip': False}, args)
    return sx_str('<', _cells['lake_tag'], ' data-sx-lake="', escape_attr((_cells['lake_id'] if sx_truthy(_cells['lake_id']) else '')), '">', join('', map(lambda c: render_to_html(c, env), children)), '</', _cells['lake_tag'], '>')

# render-html-marsh
def render_html_marsh(args, env):
    _cells = {}
    _cells['marsh_id'] = NIL
    _cells['marsh_tag'] = 'div'
    children = []
    reduce(lambda state, arg: (lambda skip: (assoc(state, 'skip', False, 'i', (get(state, 'i') + 1)) if sx_truthy(skip) else ((lambda kname: (lambda kval: _sx_begin((_sx_cell_set(_cells, 'marsh_id', kval) if sx_truthy((kname == 'id')) else (_sx_cell_set(_cells, 'marsh_tag', kval) if sx_truthy((kname == 'tag')) else (NIL if sx_truthy((kname == 'transform')) else NIL))), assoc(state, 'skip', True, 'i', (get(state, 'i') + 1))))(trampoline(eval_expr(nth(args, (get(state, 'i') + 1)), env))))(keyword_name(arg)) if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((get(state, 'i') + 1) < len(args)))) else _sx_begin(_sx_append(children, arg), assoc(state, 'i', (get(state, 'i') + 1))))))(get(state, 'skip')), {'i': 0, 'skip': False}, args)
    return sx_str('<', _cells['marsh_tag'], ' data-sx-marsh="', escape_attr((_cells['marsh_id'] if sx_truthy(_cells['marsh_id']) else '')), '">', join('', map(lambda c: render_to_html(c, env), children)), '</', _cells['marsh_tag'], '>')

# render-html-island
def render_html_island(island, args, env):
    kwargs = {}
    children = []
    reduce(lambda state, arg: (lambda skip: (assoc(state, 'skip', False, 'i', (get(state, 'i') + 1)) if sx_truthy(skip) else ((lambda val: _sx_begin(_sx_dict_set(kwargs, keyword_name(arg), val), assoc(state, 'skip', True, 'i', (get(state, 'i') + 1))))(trampoline(eval_expr(nth(args, (get(state, 'i') + 1)), env))) if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((get(state, 'i') + 1) < len(args)))) else _sx_begin(_sx_append(children, arg), assoc(state, 'i', (get(state, 'i') + 1))))))(get(state, 'skip')), {'i': 0, 'skip': False}, args)
    local = env_merge(component_closure(island), env)
    island_name = component_name(island)
    for p in component_params(island):
        local[p] = (dict_get(kwargs, p) if sx_truthy(dict_has(kwargs, p)) else NIL)
    if sx_truthy(component_has_children(island)):
        local['children'] = make_raw_html(join('', map(lambda c: render_to_html(c, env), children)))
    body_html = render_to_html(component_body(island), local)
    state_sx = serialize_island_state(kwargs)
    return sx_str('<span data-sx-island="', escape_attr(island_name), '"', (sx_str(' data-sx-state="', escape_attr(state_sx), '"') if sx_truthy(state_sx) else ''), '>', body_html, '</span>')

# serialize-island-state
def serialize_island_state(kwargs):
    if sx_truthy(is_empty_dict(kwargs)):
        return NIL
    else:
        return sx_serialize(kwargs)


# === Transpiled from adapter-sx ===

# render-to-sx
def render_to_sx(expr, env):
    result = aser(expr, env)
    if sx_truthy((type_of(result) == 'string')):
        return result
    else:
        return serialize(result)

# aser
def aser(expr, env):
    set_render_active_b(True)
    _match = type_of(expr)
    if _match == 'number':
        return expr
    elif _match == 'string':
        return expr
    elif _match == 'boolean':
        return expr
    elif _match == 'nil':
        return NIL
    elif _match == 'symbol':
        name = symbol_name(expr)
        if sx_truthy(env_has(env, name)):
            return env_get(env, name)
        elif sx_truthy(is_primitive(name)):
            return get_primitive(name)
        elif sx_truthy((name == 'true')):
            return True
        elif sx_truthy((name == 'false')):
            return False
        elif sx_truthy((name == 'nil')):
            return NIL
        else:
            return error(sx_str('Undefined symbol: ', name))
    elif _match == 'keyword':
        return keyword_name(expr)
    elif _match == 'list':
        if sx_truthy(empty_p(expr)):
            return []
        else:
            return aser_list(expr, env)
    else:
        return expr

# aser-list
def aser_list(expr, env):
    head = first(expr)
    args = rest(expr)
    if sx_truthy((not sx_truthy((type_of(head) == 'symbol')))):
        return map(lambda x: aser(x, env), expr)
    else:
        name = symbol_name(head)
        if sx_truthy((name == '<>')):
            return aser_fragment(args, env)
        elif sx_truthy(starts_with_p(name, '~')):
            return aser_call(name, args, env)
        elif sx_truthy((name == 'lake')):
            return aser_call(name, args, env)
        elif sx_truthy((name == 'marsh')):
            return aser_call(name, args, env)
        elif sx_truthy(contains_p(HTML_TAGS, name)):
            return aser_call(name, args, env)
        elif sx_truthy((is_special_form(name) if sx_truthy(is_special_form(name)) else is_ho_form(name))):
            return aser_special(name, expr, env)
        elif sx_truthy((env_has(env, name) if not sx_truthy(env_has(env, name)) else is_macro(env_get(env, name)))):
            return aser(expand_macro(env_get(env, name), args, env), env)
        else:
            f = trampoline(eval_expr(head, env))
            evaled_args = map(lambda a: trampoline(eval_expr(a, env)), args)
            if sx_truthy((is_callable(f) if not sx_truthy(is_callable(f)) else ((not sx_truthy(is_lambda(f))) if not sx_truthy((not sx_truthy(is_lambda(f)))) else ((not sx_truthy(is_component(f))) if not sx_truthy((not sx_truthy(is_component(f)))) else (not sx_truthy(is_island(f))))))):
                return apply(f, evaled_args)
            elif sx_truthy(is_lambda(f)):
                return trampoline(call_lambda(f, evaled_args, env))
            elif sx_truthy(is_component(f)):
                return aser_call(sx_str('~', component_name(f)), args, env)
            elif sx_truthy(is_island(f)):
                return aser_call(sx_str('~', component_name(f)), args, env)
            else:
                return error(sx_str('Not callable: ', inspect(f)))

# aser-fragment
def aser_fragment(children, env):
    parts = []
    for c in children:
        result = aser(c, env)
        if sx_truthy((type_of(result) == 'list')):
            for item in result:
                if sx_truthy((not sx_truthy(is_nil(item)))):
                    parts.append(serialize(item))
        else:
            if sx_truthy((not sx_truthy(is_nil(result)))):
                parts.append(serialize(result))
    if sx_truthy(empty_p(parts)):
        return ''
    else:
        return sx_str('(<> ', join(' ', parts), ')')

# aser-call
def aser_call(name, args, env):
    _cells = {}
    parts = [name]
    _cells['skip'] = False
    _cells['i'] = 0
    for arg in args:
        if sx_truthy(_cells['skip']):
            _cells['skip'] = False
            _cells['i'] = (_cells['i'] + 1)
        else:
            if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((_cells['i'] + 1) < len(args)))):
                val = aser(nth(args, (_cells['i'] + 1)), env)
                if sx_truthy((not sx_truthy(is_nil(val)))):
                    parts.append(sx_str(':', keyword_name(arg)))
                    parts.append(serialize(val))
                _cells['skip'] = True
                _cells['i'] = (_cells['i'] + 1)
            else:
                val = aser(arg, env)
                if sx_truthy((not sx_truthy(is_nil(val)))):
                    if sx_truthy((type_of(val) == 'list')):
                        for item in val:
                            if sx_truthy((not sx_truthy(is_nil(item)))):
                                parts.append(serialize(item))
                    else:
                        parts.append(serialize(val))
                _cells['i'] = (_cells['i'] + 1)
    return sx_str('(', join(' ', parts), ')')

# SPECIAL_FORM_NAMES
SPECIAL_FORM_NAMES = ['if', 'when', 'cond', 'case', 'and', 'or', 'let', 'let*', 'lambda', 'fn', 'define', 'defcomp', 'defmacro', 'defstyle', 'defhandler', 'defpage', 'defquery', 'defaction', 'defrelation', 'begin', 'do', 'quote', 'quasiquote', '->', 'set!', 'letrec', 'dynamic-wind', 'defisland', 'deftype', 'defeffect']

# HO_FORM_NAMES
HO_FORM_NAMES = ['map', 'map-indexed', 'filter', 'reduce', 'some', 'every?', 'for-each']

# special-form?
def is_special_form(name):
    return contains_p(SPECIAL_FORM_NAMES, name)

# ho-form?
def is_ho_form(name):
    return contains_p(HO_FORM_NAMES, name)

# aser-special
def aser_special(name, expr, env):
    _cells = {}
    args = rest(expr)
    if sx_truthy((name == 'if')):
        if sx_truthy(trampoline(eval_expr(first(args), env))):
            return aser(nth(args, 1), env)
        else:
            if sx_truthy((len(args) > 2)):
                return aser(nth(args, 2), env)
            else:
                return NIL
    elif sx_truthy((name == 'when')):
        if sx_truthy((not sx_truthy(trampoline(eval_expr(first(args), env))))):
            return NIL
        else:
            _cells['result'] = NIL
            for body in rest(args):
                _cells['result'] = aser(body, env)
            return _cells['result']
    elif sx_truthy((name == 'cond')):
        branch = eval_cond(args, env)
        if sx_truthy(branch):
            return aser(branch, env)
        else:
            return NIL
    elif sx_truthy((name == 'case')):
        match_val = trampoline(eval_expr(first(args), env))
        clauses = rest(args)
        return eval_case_aser(match_val, clauses, env)
    elif sx_truthy(((name == 'let') if sx_truthy((name == 'let')) else (name == 'let*'))):
        local = process_bindings(first(args), env)
        _cells['result'] = NIL
        for body in rest(args):
            _cells['result'] = aser(body, local)
        return _cells['result']
    elif sx_truthy(((name == 'begin') if sx_truthy((name == 'begin')) else (name == 'do'))):
        _cells['result'] = NIL
        for body in args:
            _cells['result'] = aser(body, env)
        return _cells['result']
    elif sx_truthy((name == 'and')):
        _cells['result'] = True
        some(_sx_fn(lambda arg: (
  _sx_cell_set(_cells, 'result', trampoline(eval_expr(arg, env))),
  (not sx_truthy(_cells['result']))
)[-1]), args)
        return _cells['result']
    elif sx_truthy((name == 'or')):
        _cells['result'] = False
        some(_sx_fn(lambda arg: (
  _sx_cell_set(_cells, 'result', trampoline(eval_expr(arg, env))),
  _cells['result']
)[-1]), args)
        return _cells['result']
    elif sx_truthy((name == 'map')):
        f = trampoline(eval_expr(first(args), env))
        coll = trampoline(eval_expr(nth(args, 1), env))
        return map(lambda item: ((lambda local: _sx_begin(_sx_dict_set(local, first(lambda_params(f)), item), aser(lambda_body(f), local)))(env_merge(lambda_closure(f), env)) if sx_truthy(is_lambda(f)) else invoke(f, item)), coll)
    elif sx_truthy((name == 'map-indexed')):
        f = trampoline(eval_expr(first(args), env))
        coll = trampoline(eval_expr(nth(args, 1), env))
        return map_indexed(lambda i, item: ((lambda local: _sx_begin(_sx_dict_set(local, first(lambda_params(f)), i), _sx_dict_set(local, nth(lambda_params(f), 1), item), aser(lambda_body(f), local)))(env_merge(lambda_closure(f), env)) if sx_truthy(is_lambda(f)) else invoke(f, i, item)), coll)
    elif sx_truthy((name == 'for-each')):
        f = trampoline(eval_expr(first(args), env))
        coll = trampoline(eval_expr(nth(args, 1), env))
        results = []
        for item in coll:
            if sx_truthy(is_lambda(f)):
                local = env_merge(lambda_closure(f), env)
                local[first(lambda_params(f))] = item
                results.append(aser(lambda_body(f), local))
            else:
                invoke(f, item)
        if sx_truthy(empty_p(results)):
            return NIL
        else:
            return results
    elif sx_truthy((name == 'defisland')):
        trampoline(eval_expr(expr, env))
        return serialize(expr)
    elif sx_truthy(((name == 'define') if sx_truthy((name == 'define')) else ((name == 'defcomp') if sx_truthy((name == 'defcomp')) else ((name == 'defmacro') if sx_truthy((name == 'defmacro')) else ((name == 'defstyle') if sx_truthy((name == 'defstyle')) else ((name == 'defhandler') if sx_truthy((name == 'defhandler')) else ((name == 'defpage') if sx_truthy((name == 'defpage')) else ((name == 'defquery') if sx_truthy((name == 'defquery')) else ((name == 'defaction') if sx_truthy((name == 'defaction')) else ((name == 'defrelation') if sx_truthy((name == 'defrelation')) else ((name == 'deftype') if sx_truthy((name == 'deftype')) else (name == 'defeffect')))))))))))):
        trampoline(eval_expr(expr, env))
        return NIL
    else:
        return trampoline(eval_expr(expr, env))

# eval-case-aser
def eval_case_aser(match_val, clauses, env):
    if sx_truthy((len(clauses) < 2)):
        return NIL
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == ':else') if sx_truthy((symbol_name(test) == ':else')) else (symbol_name(test) == 'else'))))):
            return aser(body, env)
        else:
            if sx_truthy((match_val == trampoline(eval_expr(test, env)))):
                return aser(body, env)
            else:
                return eval_case_aser(match_val, slice(clauses, 2), env)


# === Transpiled from deps (component dependency analysis) ===

# scan-refs
def scan_refs(node):
    refs = []
    scan_refs_walk(node, refs)
    return refs

# scan-refs-walk
def scan_refs_walk(node, refs):
    if sx_truthy((type_of(node) == 'symbol')):
        name = symbol_name(node)
        if sx_truthy(starts_with_p(name, '~')):
            if sx_truthy((not sx_truthy(contains_p(refs, name)))):
                return _sx_append(refs, name)
            return NIL
        return NIL
    elif sx_truthy((type_of(node) == 'list')):
        for item in node:
            scan_refs_walk(item, refs)
        return NIL
    elif sx_truthy((type_of(node) == 'dict')):
        for key in keys(node):
            scan_refs_walk(dict_get(node, key), refs)
        return NIL
    else:
        return NIL

# transitive-deps-walk
def transitive_deps_walk(n, seen, env):
    if sx_truthy((not sx_truthy(contains_p(seen, n)))):
        seen.append(n)
        val = env_get(env, n)
        if sx_truthy((type_of(val) == 'component')):
            for ref in scan_refs(component_body(val)):
                transitive_deps_walk(ref, seen, env)
            return NIL
        elif sx_truthy((type_of(val) == 'macro')):
            for ref in scan_refs(macro_body(val)):
                transitive_deps_walk(ref, seen, env)
            return NIL
        else:
            return NIL
    return NIL

# transitive-deps
def transitive_deps(name, env):
    seen = []
    key = (name if sx_truthy(starts_with_p(name, '~')) else sx_str('~', name))
    transitive_deps_walk(key, seen, env)
    return filter(lambda x: (not sx_truthy((x == key))), seen)

# compute-all-deps
def compute_all_deps(env):
    for name in env_components(env):
        val = env_get(env, name)
        if sx_truthy((type_of(val) == 'component')):
            component_set_deps(val, transitive_deps(name, env))
    return NIL

# scan-components-from-source
def scan_components_from_source(source):
    matches = regex_find_all('\\(~([a-zA-Z_][a-zA-Z0-9_\\-:/]*)', source)
    return map(lambda m: sx_str('~', m), matches)

# components-needed
def components_needed(page_source, env):
    direct = scan_components_from_source(page_source)
    all_needed = []
    for name in direct:
        if sx_truthy((not sx_truthy(contains_p(all_needed, name)))):
            all_needed.append(name)
        val = env_get(env, name)
        deps = (component_deps(val) if sx_truthy(((type_of(val) == 'component') if not sx_truthy((type_of(val) == 'component')) else (not sx_truthy(empty_p(component_deps(val)))))) else transitive_deps(name, env))
        for dep in deps:
            if sx_truthy((not sx_truthy(contains_p(all_needed, dep)))):
                all_needed.append(dep)
    return all_needed

# page-component-bundle
def page_component_bundle(page_source, env):
    return components_needed(page_source, env)

# page-css-classes
def page_css_classes(page_source, env):
    needed = components_needed(page_source, env)
    classes = []
    for name in needed:
        val = env_get(env, name)
        if sx_truthy((type_of(val) == 'component')):
            for cls in component_css_classes(val):
                if sx_truthy((not sx_truthy(contains_p(classes, cls)))):
                    classes.append(cls)
    for cls in scan_css_classes(page_source):
        if sx_truthy((not sx_truthy(contains_p(classes, cls)))):
            classes.append(cls)
    return classes

# scan-io-refs-walk
def scan_io_refs_walk(node, io_names, refs):
    if sx_truthy((type_of(node) == 'symbol')):
        name = symbol_name(node)
        if sx_truthy(contains_p(io_names, name)):
            if sx_truthy((not sx_truthy(contains_p(refs, name)))):
                return _sx_append(refs, name)
            return NIL
        return NIL
    elif sx_truthy((type_of(node) == 'list')):
        for item in node:
            scan_io_refs_walk(item, io_names, refs)
        return NIL
    elif sx_truthy((type_of(node) == 'dict')):
        for key in keys(node):
            scan_io_refs_walk(dict_get(node, key), io_names, refs)
        return NIL
    else:
        return NIL

# scan-io-refs
def scan_io_refs(node, io_names):
    refs = []
    scan_io_refs_walk(node, io_names, refs)
    return refs

# transitive-io-refs-walk
def transitive_io_refs_walk(n, seen, all_refs, env, io_names):
    if sx_truthy((not sx_truthy(contains_p(seen, n)))):
        seen.append(n)
        val = env_get(env, n)
        if sx_truthy((type_of(val) == 'component')):
            for ref in scan_io_refs(component_body(val), io_names):
                if sx_truthy((not sx_truthy(contains_p(all_refs, ref)))):
                    all_refs.append(ref)
            for dep in scan_refs(component_body(val)):
                transitive_io_refs_walk(dep, seen, all_refs, env, io_names)
            return NIL
        elif sx_truthy((type_of(val) == 'macro')):
            for ref in scan_io_refs(macro_body(val), io_names):
                if sx_truthy((not sx_truthy(contains_p(all_refs, ref)))):
                    all_refs.append(ref)
            for dep in scan_refs(macro_body(val)):
                transitive_io_refs_walk(dep, seen, all_refs, env, io_names)
            return NIL
        else:
            return NIL
    return NIL

# transitive-io-refs
def transitive_io_refs(name, env, io_names):
    all_refs = []
    seen = []
    key = (name if sx_truthy(starts_with_p(name, '~')) else sx_str('~', name))
    transitive_io_refs_walk(key, seen, all_refs, env, io_names)
    return all_refs

# compute-all-io-refs
def compute_all_io_refs(env, io_names):
    for name in env_components(env):
        val = env_get(env, name)
        if sx_truthy((type_of(val) == 'component')):
            component_set_io_refs(val, transitive_io_refs(name, env, io_names))
    return NIL

# component-io-refs-cached
def component_io_refs_cached(name, env, io_names):
    key = (name if sx_truthy(starts_with_p(name, '~')) else sx_str('~', name))
    val = env_get(env, key)
    if sx_truthy(((type_of(val) == 'component') if not sx_truthy((type_of(val) == 'component')) else ((not sx_truthy(is_nil(component_io_refs(val)))) if not sx_truthy((not sx_truthy(is_nil(component_io_refs(val))))) else (not sx_truthy(empty_p(component_io_refs(val))))))):
        return component_io_refs(val)
    else:
        return transitive_io_refs(name, env, io_names)

# component-pure?
def component_pure_p(name, env, io_names):
    key = (name if sx_truthy(starts_with_p(name, '~')) else sx_str('~', name))
    val = env_get(env, key)
    if sx_truthy(((type_of(val) == 'component') if not sx_truthy((type_of(val) == 'component')) else (not sx_truthy(is_nil(component_io_refs(val)))))):
        return empty_p(component_io_refs(val))
    else:
        return empty_p(transitive_io_refs(name, env, io_names))

# render-target
def render_target(name, env, io_names):
    key = (name if sx_truthy(starts_with_p(name, '~')) else sx_str('~', name))
    val = env_get(env, key)
    if sx_truthy((not sx_truthy((type_of(val) == 'component')))):
        return 'server'
    else:
        affinity = component_affinity(val)
        if sx_truthy((affinity == 'server')):
            return 'server'
        elif sx_truthy((affinity == 'client')):
            return 'client'
        elif sx_truthy((not sx_truthy(component_pure_p(name, env, io_names)))):
            return 'server'
        else:
            return 'client'

# page-render-plan
def page_render_plan(page_source, env, io_names):
    needed = components_needed(page_source, env)
    comp_targets = {}
    server_list = []
    client_list = []
    io_deps = []
    for name in needed:
        target = render_target(name, env, io_names)
        comp_targets[name] = target
        if sx_truthy((target == 'server')):
            server_list.append(name)
            for io_ref in component_io_refs_cached(name, env, io_names):
                if sx_truthy((not sx_truthy(contains_p(io_deps, io_ref)))):
                    io_deps.append(io_ref)
        else:
            client_list.append(name)
    return {'components': comp_targets, 'server': server_list, 'client': client_list, 'io-deps': io_deps}

# env-components
def env_components(env):
    return filter(lambda k: (lambda v: (is_component(v) if sx_truthy(is_component(v)) else is_macro(v)))(env_get(env, k)), keys(env))


# === Transpiled from page-helpers (pure data transformation helpers) ===

# special-form-category-map
special_form_category_map = {'if': 'Control Flow', 'when': 'Control Flow', 'cond': 'Control Flow', 'case': 'Control Flow', 'and': 'Control Flow', 'or': 'Control Flow', 'let': 'Binding', 'let*': 'Binding', 'letrec': 'Binding', 'define': 'Binding', 'set!': 'Binding', 'lambda': 'Functions & Components', 'fn': 'Functions & Components', 'defcomp': 'Functions & Components', 'defmacro': 'Functions & Components', 'begin': 'Sequencing & Threading', 'do': 'Sequencing & Threading', '->': 'Sequencing & Threading', 'quote': 'Quoting', 'quasiquote': 'Quoting', 'reset': 'Continuations', 'shift': 'Continuations', 'dynamic-wind': 'Guards', 'map': 'Higher-Order Forms', 'map-indexed': 'Higher-Order Forms', 'filter': 'Higher-Order Forms', 'reduce': 'Higher-Order Forms', 'some': 'Higher-Order Forms', 'every?': 'Higher-Order Forms', 'for-each': 'Higher-Order Forms', 'defstyle': 'Domain Definitions', 'defhandler': 'Domain Definitions', 'defpage': 'Domain Definitions', 'defquery': 'Domain Definitions', 'defaction': 'Domain Definitions'}

# extract-define-kwargs
def extract_define_kwargs(expr):
    result = {}
    items = slice(expr, 2)
    n = len(items)
    for idx in range(0, n):
        if sx_truthy((((idx + 1) < n) if not sx_truthy(((idx + 1) < n)) else (type_of(nth(items, idx)) == 'keyword'))):
            key = keyword_name(nth(items, idx))
            val = nth(items, (idx + 1))
            result[key] = (sx_str('(', join(' ', map(serialize, val)), ')') if sx_truthy((type_of(val) == 'list')) else sx_str(val))
    return result

# categorize-special-forms
def categorize_special_forms(parsed_exprs):
    categories = {}
    for expr in parsed_exprs:
        if sx_truthy(((type_of(expr) == 'list') if not sx_truthy((type_of(expr) == 'list')) else ((len(expr) >= 2) if not sx_truthy((len(expr) >= 2)) else ((type_of(first(expr)) == 'symbol') if not sx_truthy((type_of(first(expr)) == 'symbol')) else (symbol_name(first(expr)) == 'define-special-form'))))):
            name = nth(expr, 1)
            kwargs = extract_define_kwargs(expr)
            category = (get(special_form_category_map, name) if sx_truthy(get(special_form_category_map, name)) else 'Other')
            if sx_truthy((not sx_truthy(has_key_p(categories, category)))):
                categories[category] = []
            get(categories, category).append({'name': name, 'syntax': (get(kwargs, 'syntax') if sx_truthy(get(kwargs, 'syntax')) else ''), 'doc': (get(kwargs, 'doc') if sx_truthy(get(kwargs, 'doc')) else ''), 'tail-position': (get(kwargs, 'tail-position') if sx_truthy(get(kwargs, 'tail-position')) else ''), 'example': (get(kwargs, 'example') if sx_truthy(get(kwargs, 'example')) else '')})
    return categories

# build-ref-items-with-href
def build_ref_items_with_href(items, base_path, detail_keys, n_fields):
    return map(lambda item: ((lambda name: (lambda field2: (lambda field3: {'name': name, 'desc': field2, 'exists': field3, 'href': (sx_str(base_path, name) if sx_truthy((field3 if not sx_truthy(field3) else some(lambda k: (k == name), detail_keys))) else NIL)})(nth(item, 2)))(nth(item, 1)))(nth(item, 0)) if sx_truthy((n_fields == 3)) else (lambda name: (lambda desc: {'name': name, 'desc': desc, 'href': (sx_str(base_path, name) if sx_truthy(some(lambda k: (k == name), detail_keys)) else NIL)})(nth(item, 1)))(nth(item, 0))), items)

# build-reference-data
def build_reference_data(slug, raw_data, detail_keys):
    _match = slug
    if _match == 'attributes':
        return {'req-attrs': build_ref_items_with_href(get(raw_data, 'req-attrs'), '/geography/hypermedia/reference/attributes/', detail_keys, 3), 'beh-attrs': build_ref_items_with_href(get(raw_data, 'beh-attrs'), '/geography/hypermedia/reference/attributes/', detail_keys, 3), 'uniq-attrs': build_ref_items_with_href(get(raw_data, 'uniq-attrs'), '/geography/hypermedia/reference/attributes/', detail_keys, 3)}
    elif _match == 'headers':
        return {'req-headers': build_ref_items_with_href(get(raw_data, 'req-headers'), '/geography/hypermedia/reference/headers/', detail_keys, 3), 'resp-headers': build_ref_items_with_href(get(raw_data, 'resp-headers'), '/geography/hypermedia/reference/headers/', detail_keys, 3)}
    elif _match == 'events':
        return {'events-list': build_ref_items_with_href(get(raw_data, 'events-list'), '/geography/hypermedia/reference/events/', detail_keys, 2)}
    elif _match == 'js-api':
        return {'js-api-list': map(lambda item: {'name': nth(item, 0), 'desc': nth(item, 1)}, get(raw_data, 'js-api-list'))}
    else:
        return {'req-attrs': build_ref_items_with_href(get(raw_data, 'req-attrs'), '/geography/hypermedia/reference/attributes/', detail_keys, 3), 'beh-attrs': build_ref_items_with_href(get(raw_data, 'beh-attrs'), '/geography/hypermedia/reference/attributes/', detail_keys, 3), 'uniq-attrs': build_ref_items_with_href(get(raw_data, 'uniq-attrs'), '/geography/hypermedia/reference/attributes/', detail_keys, 3)}

# build-attr-detail
def build_attr_detail(slug, detail):
    if sx_truthy(is_nil(detail)):
        return {'attr-not-found': True}
    else:
        return {'attr-not-found': NIL, 'attr-title': slug, 'attr-description': get(detail, 'description'), 'attr-example': get(detail, 'example'), 'attr-handler': get(detail, 'handler'), 'attr-demo': get(detail, 'demo'), 'attr-wire-id': (sx_str('ref-wire-', replace(replace(slug, ':', '-'), '*', 'star')) if sx_truthy(has_key_p(detail, 'handler')) else NIL)}

# build-header-detail
def build_header_detail(slug, detail):
    if sx_truthy(is_nil(detail)):
        return {'header-not-found': True}
    else:
        return {'header-not-found': NIL, 'header-title': slug, 'header-direction': get(detail, 'direction'), 'header-description': get(detail, 'description'), 'header-example': get(detail, 'example'), 'header-demo': get(detail, 'demo')}

# build-event-detail
def build_event_detail(slug, detail):
    if sx_truthy(is_nil(detail)):
        return {'event-not-found': True}
    else:
        return {'event-not-found': NIL, 'event-title': slug, 'event-description': get(detail, 'description'), 'event-example': get(detail, 'example'), 'event-demo': get(detail, 'demo')}

# build-component-source
def build_component_source(comp_data):
    comp_type = get(comp_data, 'type')
    name = get(comp_data, 'name')
    params = get(comp_data, 'params')
    has_children = get(comp_data, 'has-children')
    body_sx = get(comp_data, 'body-sx')
    affinity = get(comp_data, 'affinity')
    if sx_truthy((comp_type == 'not-found')):
        return sx_str(';; component ', name, ' not found')
    else:
        param_strs = ((['&rest', 'children'] if sx_truthy(has_children) else []) if sx_truthy(empty_p(params)) else (append(cons('&key', params), ['&rest', 'children']) if sx_truthy(has_children) else cons('&key', params)))
        params_sx = sx_str('(', join(' ', param_strs), ')')
        form_name = ('defisland' if sx_truthy((comp_type == 'island')) else 'defcomp')
        affinity_str = (sx_str(' :affinity ', affinity) if sx_truthy(((comp_type == 'component') if not sx_truthy((comp_type == 'component')) else ((not sx_truthy(is_nil(affinity))) if not sx_truthy((not sx_truthy(is_nil(affinity)))) else (not sx_truthy((affinity == 'auto')))))) else '')
        return sx_str('(', form_name, ' ', name, ' ', params_sx, affinity_str, '\n  ', body_sx, ')')

# build-bundle-analysis
def build_bundle_analysis(pages_raw, components_raw, total_components, total_macros, pure_count, io_count):
    _cells = {}
    pages_data = []
    for page in pages_raw:
        needed_names = get(page, 'needed-names')
        n = len(needed_names)
        pct = (round(((n / total_components) * 100)) if sx_truthy((total_components > 0)) else 0)
        savings = (100 - pct)
        _cells['pure_in_page'] = 0
        _cells['io_in_page'] = 0
        page_io_refs = []
        comp_details = []
        for comp_name in needed_names:
            info = get(components_raw, comp_name)
            if sx_truthy((not sx_truthy(is_nil(info)))):
                if sx_truthy(get(info, 'is-pure')):
                    _cells['pure_in_page'] = (_cells['pure_in_page'] + 1)
                else:
                    _cells['io_in_page'] = (_cells['io_in_page'] + 1)
                    for ref in (get(info, 'io-refs') if sx_truthy(get(info, 'io-refs')) else []):
                        if sx_truthy((not sx_truthy(some(lambda r: (r == ref), page_io_refs)))):
                            page_io_refs.append(ref)
                comp_details.append({'name': comp_name, 'is-pure': get(info, 'is-pure'), 'affinity': get(info, 'affinity'), 'render-target': get(info, 'render-target'), 'io-refs': (get(info, 'io-refs') if sx_truthy(get(info, 'io-refs')) else []), 'deps': (get(info, 'deps') if sx_truthy(get(info, 'deps')) else []), 'source': get(info, 'source')})
        pages_data.append({'name': get(page, 'name'), 'path': get(page, 'path'), 'direct': get(page, 'direct'), 'needed': n, 'pct': pct, 'savings': savings, 'io-refs': len(page_io_refs), 'pure-in-page': _cells['pure_in_page'], 'io-in-page': _cells['io_in_page'], 'components': comp_details})
    return {'pages': pages_data, 'total-components': total_components, 'total-macros': total_macros, 'pure-count': pure_count, 'io-count': io_count}

# build-routing-analysis
def build_routing_analysis(pages_raw):
    _cells = {}
    pages_data = []
    _cells['client_count'] = 0
    _cells['server_count'] = 0
    for page in pages_raw:
        has_data = get(page, 'has-data')
        content_src = (get(page, 'content-src') if sx_truthy(get(page, 'content-src')) else '')
        _cells['mode'] = NIL
        _cells['reason'] = ''
        if sx_truthy(has_data):
            _cells['mode'] = 'server'
            _cells['reason'] = 'Has :data expression — needs server IO'
            _cells['server_count'] = (_cells['server_count'] + 1)
        elif sx_truthy(empty_p(content_src)):
            _cells['mode'] = 'server'
            _cells['reason'] = 'No content expression'
            _cells['server_count'] = (_cells['server_count'] + 1)
        else:
            _cells['mode'] = 'client'
            _cells['client_count'] = (_cells['client_count'] + 1)
        pages_data.append({'name': get(page, 'name'), 'path': get(page, 'path'), 'mode': _cells['mode'], 'has-data': has_data, 'content-expr': (sx_str(slice(content_src, 0, 80), '...') if sx_truthy((len(content_src) > 80)) else content_src), 'reason': _cells['reason']})
    return {'pages': pages_data, 'total-pages': (_cells['client_count'] + _cells['server_count']), 'client-count': _cells['client_count'], 'server-count': _cells['server_count']}

# build-affinity-analysis
def build_affinity_analysis(demo_components, page_plans):
    return {'components': demo_components, 'page-plans': page_plans}


# === Transpiled from router (client-side route matching) ===

# split-path-segments
def split_path_segments(path):
    trimmed = (slice(path, 1) if sx_truthy(starts_with_p(path, '/')) else path)
    trimmed2 = (slice(trimmed, 0, (len(trimmed) - 1)) if sx_truthy(((not sx_truthy(empty_p(trimmed))) if not sx_truthy((not sx_truthy(empty_p(trimmed)))) else ends_with_p(trimmed, '/'))) else trimmed)
    if sx_truthy(empty_p(trimmed2)):
        return []
    else:
        return split(trimmed2, '/')

# make-route-segment
def make_route_segment(seg):
    if sx_truthy((starts_with_p(seg, '<') if not sx_truthy(starts_with_p(seg, '<')) else ends_with_p(seg, '>'))):
        param_name = slice(seg, 1, (len(seg) - 1))
        d = {}
        d['type'] = 'param'
        d['value'] = param_name
        return d
    else:
        d = {}
        d['type'] = 'literal'
        d['value'] = seg
        return d

# parse-route-pattern
def parse_route_pattern(pattern):
    segments = split_path_segments(pattern)
    return map(make_route_segment, segments)

# match-route-segments
def match_route_segments(path_segs, parsed_segs):
    _cells = {}
    if sx_truthy((not sx_truthy((len(path_segs) == len(parsed_segs))))):
        return NIL
    else:
        params = {}
        _cells['matched'] = True
        for_each_indexed(lambda i, parsed_seg: ((lambda path_seg: (lambda seg_type: ((_sx_cell_set(_cells, 'matched', False) if sx_truthy((not sx_truthy((path_seg == get(parsed_seg, 'value'))))) else NIL) if sx_truthy((seg_type == 'literal')) else (_sx_dict_set(params, get(parsed_seg, 'value'), path_seg) if sx_truthy((seg_type == 'param')) else _sx_cell_set(_cells, 'matched', False))))(get(parsed_seg, 'type')))(nth(path_segs, i)) if sx_truthy(_cells['matched']) else NIL), parsed_segs)
        if sx_truthy(_cells['matched']):
            return params
        else:
            return NIL

# match-route
def match_route(path, pattern):
    path_segs = split_path_segments(path)
    parsed_segs = parse_route_pattern(pattern)
    return match_route_segments(path_segs, parsed_segs)

# find-matching-route
def find_matching_route(path, routes):
    _cells = {}
    match_path = ((sx_url_to_path(path) if sx_truthy(sx_url_to_path(path)) else path) if sx_truthy(starts_with_p(path, '/(')) else path)
    path_segs = split_path_segments(match_path)
    _cells['result'] = NIL
    for route in routes:
        if sx_truthy(is_nil(_cells['result'])):
            params = match_route_segments(path_segs, get(route, 'parsed'))
            if sx_truthy((not sx_truthy(is_nil(params)))):
                matched = merge(route, {})
                matched['params'] = params
                _cells['result'] = matched
    return _cells['result']

# _fn-to-segment
def _fn_to_segment(name):
    _match = name
    if _match == 'doc':
        return 'docs'
    elif _match == 'spec':
        return 'specs'
    elif _match == 'bootstrapper':
        return 'bootstrappers'
    elif _match == 'test':
        return 'testing'
    elif _match == 'example':
        return 'examples'
    elif _match == 'protocol':
        return 'protocols'
    elif _match == 'essay':
        return 'essays'
    elif _match == 'plan':
        return 'plans'
    elif _match == 'reference-detail':
        return 'reference'
    else:
        return name

# sx-url-to-path
def sx_url_to_path(url):
    if sx_truthy((not sx_truthy((starts_with_p(url, '/(') if not sx_truthy(starts_with_p(url, '/(')) else ends_with_p(url, ')'))))):
        return NIL
    else:
        inner = slice(url, 2, (len(url) - 1))
        s = replace(replace(replace(inner, '.', '/'), '(', ''), ')', '')
        segs = filter(lambda s: (not sx_truthy(empty_p(s))), split(s, '/'))
        return sx_str('/', join('/', map(_fn_to_segment, segs)))

# _count-leading-dots
def _count_leading_dots(s):
    if sx_truthy(empty_p(s)):
        return 0
    else:
        if sx_truthy(starts_with_p(s, '.')):
            return (1 + _count_leading_dots(slice(s, 1)))
        else:
            return 0

# _strip-trailing-close
def _strip_trailing_close(s):
    if sx_truthy(ends_with_p(s, ')')):
        return _strip_trailing_close(slice(s, 0, (len(s) - 1)))
    else:
        return s

# _index-of-safe
def _index_of_safe(s, needle):
    idx = index_of(s, needle)
    if sx_truthy((is_nil(idx) if sx_truthy(is_nil(idx)) else (idx < 0))):
        return NIL
    else:
        return idx

# _last-index-of
def _last_index_of(s, needle):
    idx = _index_of_safe(s, needle)
    if sx_truthy(is_nil(idx)):
        return NIL
    else:
        rest_idx = _last_index_of(slice(s, (idx + 1)), needle)
        if sx_truthy(is_nil(rest_idx)):
            return idx
        else:
            return ((idx + 1) + rest_idx)

# _pop-sx-url-level
def _pop_sx_url_level(url):
    stripped = _strip_trailing_close(url)
    close_count = (len(url) - len(_strip_trailing_close(url)))
    if sx_truthy((close_count <= 1)):
        return '/'
    else:
        last_dp = _last_index_of(stripped, '.(')
        if sx_truthy(is_nil(last_dp)):
            return '/'
        else:
            return sx_str(slice(stripped, 0, last_dp), slice(url, (len(url) - (close_count - 1))))

# _pop-sx-url-levels
def _pop_sx_url_levels(url, n):
    if sx_truthy((n <= 0)):
        return url
    else:
        return _pop_sx_url_levels(_pop_sx_url_level(url), (n - 1))

# _split-pos-kw
def _split_pos_kw(tokens, i, pos, kw):
    if sx_truthy((i >= len(tokens))):
        return {'positional': join('.', pos), 'keywords': kw}
    else:
        tok = nth(tokens, i)
        if sx_truthy(starts_with_p(tok, ':')):
            val = (nth(tokens, (i + 1)) if sx_truthy(((i + 1) < len(tokens))) else '')
            return _split_pos_kw(tokens, (i + 2), pos, append(kw, [[tok, val]]))
        else:
            return _split_pos_kw(tokens, (i + 1), append(pos, [tok]), kw)

# _parse-relative-body
def _parse_relative_body(body):
    if sx_truthy(empty_p(body)):
        return {'positional': '', 'keywords': []}
    else:
        return _split_pos_kw(split(body, '.'), 0, [], [])

# _extract-innermost
def _extract_innermost(url):
    stripped = _strip_trailing_close(url)
    suffix = slice(url, len(_strip_trailing_close(url)))
    last_dp = _last_index_of(stripped, '.(')
    if sx_truthy(is_nil(last_dp)):
        return {'before': '/(', 'content': slice(stripped, 2), 'suffix': suffix}
    else:
        return {'before': slice(stripped, 0, (last_dp + 2)), 'content': slice(stripped, (last_dp + 2)), 'suffix': suffix}

# _find-kw-in-tokens
def _find_kw_in_tokens(tokens, i, kw):
    if sx_truthy((i >= len(tokens))):
        return NIL
    else:
        if sx_truthy(((nth(tokens, i) == kw) if not sx_truthy((nth(tokens, i) == kw)) else ((i + 1) < len(tokens)))):
            return nth(tokens, (i + 1))
        else:
            return _find_kw_in_tokens(tokens, (i + 1), kw)

# _find-keyword-value
def _find_keyword_value(content, kw):
    return _find_kw_in_tokens(split(content, '.'), 0, kw)

# _replace-kw-in-tokens
def _replace_kw_in_tokens(tokens, i, kw, value):
    if sx_truthy((i >= len(tokens))):
        return []
    else:
        if sx_truthy(((nth(tokens, i) == kw) if not sx_truthy((nth(tokens, i) == kw)) else ((i + 1) < len(tokens)))):
            return append([kw, value], _replace_kw_in_tokens(tokens, (i + 2), kw, value))
        else:
            return cons(nth(tokens, i), _replace_kw_in_tokens(tokens, (i + 1), kw, value))

# _set-keyword-in-content
def _set_keyword_in_content(content, kw, value):
    current = _find_keyword_value(content, kw)
    if sx_truthy(is_nil(current)):
        return sx_str(content, '.', kw, '.', value)
    else:
        return join('.', _replace_kw_in_tokens(split(content, '.'), 0, kw, value))

# _is-delta-value?
def _is_delta_value_p(s):
    return ((not sx_truthy(empty_p(s))) if not sx_truthy((not sx_truthy(empty_p(s)))) else ((len(s) > 1) if not sx_truthy((len(s) > 1)) else (starts_with_p(s, '+') if sx_truthy(starts_with_p(s, '+')) else starts_with_p(s, '-'))))

# _apply-delta
def _apply_delta(current_str, delta_str):
    cur = parse_int(current_str, NIL)
    delta = parse_int(delta_str, NIL)
    if sx_truthy((is_nil(cur) if sx_truthy(is_nil(cur)) else is_nil(delta))):
        return delta_str
    else:
        return sx_str((cur + delta))

# _apply-kw-pairs
def _apply_kw_pairs(content, kw_pairs):
    if sx_truthy(empty_p(kw_pairs)):
        return content
    else:
        pair = first(kw_pairs)
        kw = first(pair)
        raw_val = nth(pair, 1)
        actual_val = ((lambda current: (raw_val if sx_truthy(is_nil(current)) else _apply_delta(current, raw_val)))(_find_keyword_value(content, kw)) if sx_truthy(_is_delta_value_p(raw_val)) else raw_val)
        return _apply_kw_pairs(_set_keyword_in_content(content, kw, actual_val), rest(kw_pairs))

# _apply-keywords-to-url
def _apply_keywords_to_url(url, kw_pairs):
    if sx_truthy(empty_p(kw_pairs)):
        return url
    else:
        parts = _extract_innermost(url)
        new_content = _apply_kw_pairs(get(parts, 'content'), kw_pairs)
        return sx_str(get(parts, 'before'), new_content, get(parts, 'suffix'))

# _normalize-relative
def _normalize_relative(url):
    if sx_truthy(starts_with_p(url, '(')):
        return url
    else:
        return sx_str('(', url, ')')

# resolve-relative-url
def resolve_relative_url(current, relative):
    canonical = _normalize_relative(relative)
    rel_inner = slice(canonical, 1, (len(canonical) - 1))
    dots = _count_leading_dots(rel_inner)
    body = slice(rel_inner, _count_leading_dots(rel_inner))
    if sx_truthy((dots == 0)):
        return current
    else:
        parsed = _parse_relative_body(body)
        pos_body = get(parsed, 'positional')
        kw_pairs = get(parsed, 'keywords')
        after_nav = ((current if sx_truthy(empty_p(pos_body)) else (lambda stripped: (lambda suffix: sx_str(stripped, '.', pos_body, suffix))(slice(current, len(_strip_trailing_close(current)))))(_strip_trailing_close(current))) if sx_truthy((dots == 1)) else (lambda base: (base if sx_truthy(empty_p(pos_body)) else (sx_str('/(', pos_body, ')') if sx_truthy((base == '/')) else (lambda stripped: (lambda suffix: sx_str(stripped, '.(', pos_body, ')', suffix))(slice(base, len(_strip_trailing_close(base)))))(_strip_trailing_close(base)))))(_pop_sx_url_levels(current, (dots - 1))))
        return _apply_keywords_to_url(after_nav, kw_pairs)

# relative-sx-url?
def relative_sx_url_p(url):
    return ((starts_with_p(url, '(') if not sx_truthy(starts_with_p(url, '(')) else (not sx_truthy(starts_with_p(url, '/(')))) if sx_truthy((starts_with_p(url, '(') if not sx_truthy(starts_with_p(url, '(')) else (not sx_truthy(starts_with_p(url, '/('))))) else starts_with_p(url, '.'))

# _url-special-forms
def _url_special_forms():
    return ['!source', '!inspect', '!diff', '!search', '!raw', '!json']

# url-special-form?
def url_special_form_p(name):
    return (starts_with_p(name, '!') if not sx_truthy(starts_with_p(name, '!')) else contains_p(_url_special_forms(), name))

# parse-sx-url
def parse_sx_url(url):
    if sx_truthy((url == '/')):
        return {'type': 'home', 'raw': url}
    elif sx_truthy(relative_sx_url_p(url)):
        return {'type': 'relative', 'raw': url}
    elif sx_truthy((starts_with_p(url, '/(!') if not sx_truthy(starts_with_p(url, '/(!')) else ends_with_p(url, ')'))):
        inner = slice(url, 2, (len(url) - 1))
        dot_pos = _index_of_safe(inner, '.')
        paren_pos = _index_of_safe(inner, '(')
        end_pos = (len(inner) if sx_truthy((is_nil(dot_pos) if not sx_truthy(is_nil(dot_pos)) else is_nil(paren_pos))) else (paren_pos if sx_truthy(is_nil(dot_pos)) else (dot_pos if sx_truthy(is_nil(paren_pos)) else min(dot_pos, paren_pos))))
        form_name = slice(inner, 0, end_pos)
        rest_part = slice(inner, end_pos)
        inner_expr = (slice(rest_part, 1) if sx_truthy(starts_with_p(rest_part, '.')) else rest_part)
        return {'type': 'special-form', 'form': form_name, 'inner': inner_expr, 'raw': url}
    elif sx_truthy((starts_with_p(url, '/(~') if not sx_truthy(starts_with_p(url, '/(~')) else ends_with_p(url, ')'))):
        name = slice(url, 2, (len(url) - 1))
        return {'type': 'direct-component', 'name': name, 'raw': url}
    elif sx_truthy((starts_with_p(url, '/(') if not sx_truthy(starts_with_p(url, '/(')) else ends_with_p(url, ')'))):
        return {'type': 'absolute', 'raw': url}
    else:
        return {'type': 'path', 'raw': url}

# url-special-form-name
def url_special_form_name(url):
    parsed = parse_sx_url(url)
    if sx_truthy((get(parsed, 'type') == 'special-form')):
        return get(parsed, 'form')
    else:
        return NIL

# url-special-form-inner
def url_special_form_inner(url):
    parsed = parse_sx_url(url)
    if sx_truthy((get(parsed, 'type') == 'special-form')):
        return get(parsed, 'inner')
    else:
        return NIL

# url-to-expr
def url_to_expr(url_path):
    if sx_truthy(((url_path == '/') if sx_truthy((url_path == '/')) else empty_p(url_path))):
        return []
    else:
        trimmed = (slice(url_path, 1) if sx_truthy(starts_with_p(url_path, '/')) else url_path)
        sx_source = replace(trimmed, '.', ' ')
        exprs = sx_parse(sx_source)
        if sx_truthy(empty_p(exprs)):
            return []
        else:
            return first(exprs)

# auto-quote-unknowns
def auto_quote_unknowns(expr, env):
    if sx_truthy((not sx_truthy(list_p(expr)))):
        return expr
    else:
        if sx_truthy(empty_p(expr)):
            return expr
        else:
            return cons(first(expr), map(lambda child: (auto_quote_unknowns(child, env) if sx_truthy(list_p(child)) else ((lambda name: (child if sx_truthy((env_has(env, name) if sx_truthy(env_has(env, name)) else (starts_with_p(name, ':') if sx_truthy(starts_with_p(name, ':')) else (starts_with_p(name, '~') if sx_truthy(starts_with_p(name, '~')) else starts_with_p(name, '!'))))) else name))(symbol_name(child)) if sx_truthy((type_of(child) == 'symbol')) else child)), rest(expr)))

# prepare-url-expr
def prepare_url_expr(url_path, env):
    expr = url_to_expr(url_path)
    if sx_truthy(empty_p(expr)):
        return expr
    else:
        return auto_quote_unknowns(expr, env)


# === Transpiled from signals (reactive signal runtime) ===

# signal
def signal(initial_value):
    return make_signal(initial_value)

# deref
def deref(s):
    if sx_truthy((not sx_truthy(is_signal(s)))):
        return s
    else:
        ctx = get_tracking_context()
        if sx_truthy(ctx):
            tracking_context_add_dep(ctx, s)
            signal_add_sub(s, tracking_context_notify_fn(ctx))
        return signal_value(s)

# reset!
def reset_b(s, value):
    if sx_truthy(is_signal(s)):
        old = signal_value(s)
        if sx_truthy((not sx_truthy(is_identical(old, value)))):
            signal_set_value(s, value)
            return notify_subscribers(s)
        return NIL
    return NIL

# swap!
def swap_b(s, f, *args):
    if sx_truthy(is_signal(s)):
        old = signal_value(s)
        new_val = apply(f, cons(old, args))
        if sx_truthy((not sx_truthy(is_identical(old, new_val)))):
            signal_set_value(s, new_val)
            return notify_subscribers(s)
        return NIL
    return NIL

# computed
def computed(compute_fn):
    s = make_signal(NIL)
    deps = []
    compute_ctx = NIL
    recompute = _sx_fn(lambda : (
  for_each(lambda dep: signal_remove_sub(dep, recompute), signal_deps(s)),
  signal_set_deps(s, []),
  (lambda ctx: (lambda prev: _sx_begin(set_tracking_context(ctx), (lambda new_val: _sx_begin(set_tracking_context(prev), signal_set_deps(s, tracking_context_deps(ctx)), (lambda old: _sx_begin(signal_set_value(s, new_val), (notify_subscribers(s) if sx_truthy((not sx_truthy(is_identical(old, new_val)))) else NIL)))(signal_value(s))))(invoke(compute_fn))))(get_tracking_context()))(make_tracking_context(recompute))
)[-1])
    recompute()
    register_in_scope(lambda : dispose_computed(s))
    return s

# effect
def effect(effect_fn):
    _cells = {}
    _cells['deps'] = []
    _cells['disposed'] = False
    _cells['cleanup_fn'] = NIL
    run_effect = lambda : (_sx_begin((invoke(_cells['cleanup_fn']) if sx_truthy(_cells['cleanup_fn']) else NIL), for_each(lambda dep: signal_remove_sub(dep, run_effect), _cells['deps']), _sx_cell_set(_cells, 'deps', []), (lambda ctx: (lambda prev: _sx_begin(set_tracking_context(ctx), (lambda result: _sx_begin(set_tracking_context(prev), _sx_cell_set(_cells, 'deps', tracking_context_deps(ctx)), (_sx_cell_set(_cells, 'cleanup_fn', result) if sx_truthy(is_callable(result)) else NIL)))(invoke(effect_fn))))(get_tracking_context()))(make_tracking_context(run_effect))) if sx_truthy((not sx_truthy(_cells['disposed']))) else NIL)
    run_effect()
    dispose_fn = _sx_fn(lambda : (
  _sx_cell_set(_cells, 'disposed', True),
  (invoke(_cells['cleanup_fn']) if sx_truthy(_cells['cleanup_fn']) else NIL),
  for_each(lambda dep: signal_remove_sub(dep, run_effect), _cells['deps']),
  _sx_cell_set(_cells, 'deps', [])
)[-1])
    register_in_scope(dispose_fn)
    return dispose_fn

# *batch-depth*
_batch_depth = 0

# *batch-queue*
_batch_queue = []

# batch
def batch(thunk):
    _batch_depth = (_batch_depth + 1)
    invoke(thunk)
    _batch_depth = (_batch_depth - 1)
    if sx_truthy((_batch_depth == 0)):
        queue = _batch_queue
        _batch_queue = []
        seen = []
        pending = []
        for s in queue:
            for sub in signal_subscribers(s):
                if sx_truthy((not sx_truthy(contains_p(seen, sub)))):
                    seen.append(sub)
                    pending.append(sub)
        for sub in pending:
            sub()
        return NIL
    return NIL

# notify-subscribers
def notify_subscribers(s):
    if sx_truthy((_batch_depth > 0)):
        if sx_truthy((not sx_truthy(contains_p(_batch_queue, s)))):
            return _sx_append(_batch_queue, s)
        return NIL
    else:
        return flush_subscribers(s)

# flush-subscribers
def flush_subscribers(s):
    for sub in signal_subscribers(s):
        sub()
    return NIL

# dispose-computed
def dispose_computed(s):
    if sx_truthy(is_signal(s)):
        for dep in signal_deps(s):
            signal_remove_sub(dep, NIL)
        return signal_set_deps(s, [])
    return NIL

# *island-scope*
_island_scope = NIL

# with-island-scope
def with_island_scope(scope_fn, body_fn):
    prev = _island_scope
    _island_scope = scope_fn
    result = body_fn()
    _island_scope = prev
    return result

# register-in-scope
def register_in_scope(disposable):
    if sx_truthy(_island_scope):
        return _island_scope(disposable)
    return NIL

# with-marsh-scope
def with_marsh_scope(marsh_el, body_fn):
    disposers = []
    with_island_scope(lambda d: _sx_append(disposers, d), body_fn)
    return dom_set_data(marsh_el, 'sx-marsh-disposers', disposers)

# dispose-marsh-scope
def dispose_marsh_scope(marsh_el):
    disposers = dom_get_data(marsh_el, 'sx-marsh-disposers')
    if sx_truthy(disposers):
        for d in disposers:
            invoke(d)
        return dom_set_data(marsh_el, 'sx-marsh-disposers', NIL)
    return NIL

# *store-registry*
_store_registry = {}

# def-store
def def_store(name, init_fn):
    registry = _store_registry
    if sx_truthy((not sx_truthy(has_key_p(registry, name)))):
        _store_registry = assoc(registry, name, invoke(init_fn))
    return get(_store_registry, name)

# use-store
def use_store(name):
    if sx_truthy(has_key_p(_store_registry, name)):
        return get(_store_registry, name)
    else:
        return error(sx_str('Store not found: ', name, '. Call (def-store ...) before (use-store ...).'))

# clear-stores
def clear_stores():
    return _sx_cell_set(_cells, '_store_registry', {})

# emit-event
def emit_event(el, event_name, detail):
    return dom_dispatch(el, event_name, detail)

# on-event
def on_event(el, event_name, handler):
    return dom_listen(el, event_name, handler)

# bridge-event
def bridge_event(el, event_name, target_signal, transform_fn):
    return effect(lambda : (lambda remove: remove)(dom_listen(el, event_name, lambda e: (lambda detail: (lambda new_val: reset_b(target_signal, new_val))((invoke(transform_fn, detail) if sx_truthy(transform_fn) else detail)))(event_detail(e)))))

# resource
def resource(fetch_fn):
    state = signal({'loading': True, 'data': NIL, 'error': NIL})
    promise_then(invoke(fetch_fn), lambda data: reset_b(state, {'loading': False, 'data': data, 'error': NIL}), lambda err: reset_b(state, {'loading': False, 'data': NIL, 'error': err}))
    return state


# === Transpiled from adapter-async ===

# async-render
async def async_render(expr, env, ctx):
    _match = type_of(expr)
    if _match == 'nil':
        return ''
    elif _match == 'boolean':
        return ''
    elif _match == 'string':
        return escape_html(expr)
    elif _match == 'number':
        return escape_html(sx_str(expr))
    elif _match == 'raw-html':
        return raw_html_content(expr)
    elif _match == 'symbol':
        val = (await async_eval(expr, env, ctx))
        return (await async_render(val, env, ctx))
    elif _match == 'keyword':
        return escape_html(keyword_name(expr))
    elif _match == 'list':
        if sx_truthy(empty_p(expr)):
            return ''
        else:
            return (await async_render_list(expr, env, ctx))
    elif _match == 'dict':
        return ''
    else:
        return escape_html(sx_str(expr))

# async-render-list
async def async_render_list(expr, env, ctx):
    head = first(expr)
    if sx_truthy((not sx_truthy((type_of(head) == 'symbol')))):
        if sx_truthy((is_lambda(head) if sx_truthy(is_lambda(head)) else (type_of(head) == 'list'))):
            return (await async_render((await async_eval(expr, env, ctx)), env, ctx))
        else:
            return join('', (await async_map_render(expr, env, ctx)))
    else:
        name = symbol_name(head)
        args = rest(expr)
        if sx_truthy(io_primitive_p(name)):
            return (await async_render((await async_eval(expr, env, ctx)), env, ctx))
        elif sx_truthy((name == 'raw!')):
            return (await async_render_raw(args, env, ctx))
        elif sx_truthy((name == '<>')):
            return join('', (await async_map_render(args, env, ctx)))
        elif sx_truthy(starts_with_p(name, 'html:')):
            return (await async_render_element(slice(name, 5), args, env, ctx))
        elif sx_truthy(async_render_form_p(name)):
            if sx_truthy((contains_p(HTML_TAGS, name) if not sx_truthy(contains_p(HTML_TAGS, name)) else (((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword')) if sx_truthy(((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword'))) else svg_context_p()))):
                return (await async_render_element(name, args, env, ctx))
            else:
                return (await dispatch_async_render_form(name, expr, env, ctx))
        elif sx_truthy((env_has(env, name) if not sx_truthy(env_has(env, name)) else is_macro(env_get(env, name)))):
            return (await async_render(trampoline(expand_macro(env_get(env, name), args, env)), env, ctx))
        elif sx_truthy(contains_p(HTML_TAGS, name)):
            return (await async_render_element(name, args, env, ctx))
        elif sx_truthy((starts_with_p(name, '~') if not sx_truthy(starts_with_p(name, '~')) else (env_has(env, name) if not sx_truthy(env_has(env, name)) else is_island(env_get(env, name))))):
            return (await async_render_island(env_get(env, name), args, env, ctx))
        elif sx_truthy(starts_with_p(name, '~')):
            val = (env_get(env, name) if sx_truthy(env_has(env, name)) else NIL)
            if sx_truthy(is_component(val)):
                return (await async_render_component(val, args, env, ctx))
            elif sx_truthy(is_macro(val)):
                return (await async_render(trampoline(expand_macro(val, args, env)), env, ctx))
            else:
                return (await async_render((await async_eval(expr, env, ctx)), env, ctx))
        elif sx_truthy(((index_of(name, '-') > 0) if not sx_truthy((index_of(name, '-') > 0)) else ((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword')))):
            return (await async_render_element(name, args, env, ctx))
        elif sx_truthy(svg_context_p()):
            return (await async_render_element(name, args, env, ctx))
        else:
            return (await async_render((await async_eval(expr, env, ctx)), env, ctx))

# async-render-raw
async def async_render_raw(args, env, ctx):
    parts = []
    for arg in args:
        val = (await async_eval(arg, env, ctx))
        if sx_truthy(is_raw_html(val)):
            parts.append(raw_html_content(val))
        elif sx_truthy((type_of(val) == 'string')):
            parts.append(val)
        elif sx_truthy(((not sx_truthy(is_nil(val))) if not sx_truthy((not sx_truthy(is_nil(val)))) else (not sx_truthy((val == False))))):
            parts.append(sx_str(val))
    return join('', parts)

# async-render-element
async def async_render_element(tag, args, env, ctx):
    attrs = {}
    children = []
    (await async_parse_element_args(args, attrs, children, env, ctx))
    class_val = dict_get(attrs, 'class')
    if sx_truthy(((not sx_truthy(is_nil(class_val))) if not sx_truthy((not sx_truthy(is_nil(class_val)))) else (not sx_truthy((class_val == False))))):
        css_class_collect(sx_str(class_val))
    opening = sx_str('<', tag, render_attrs(attrs), '>')
    if sx_truthy(contains_p(VOID_ELEMENTS, tag)):
        return opening
    else:
        token = (svg_context_set(True) if sx_truthy(((tag == 'svg') if sx_truthy((tag == 'svg')) else (tag == 'math'))) else NIL)
        child_html = join('', (await async_map_render(children, env, ctx)))
        if sx_truthy(token):
            svg_context_reset(token)
        return sx_str(opening, child_html, '</', tag, '>')

# async-parse-element-args
async def async_parse_element_args(args, attrs, children, env, ctx):
    _cells = {}
    _cells['skip'] = False
    _cells['i'] = 0
    for arg in args:
        if sx_truthy(_cells['skip']):
            _cells['skip'] = False
            _cells['i'] = (_cells['i'] + 1)
        else:
            if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((_cells['i'] + 1) < len(args)))):
                val = (await async_eval(nth(args, (_cells['i'] + 1)), env, ctx))
                attrs[keyword_name(arg)] = val
                _cells['skip'] = True
                _cells['i'] = (_cells['i'] + 1)
            else:
                children.append(arg)
                _cells['i'] = (_cells['i'] + 1)
    return NIL

# async-render-component
async def async_render_component(comp, args, env, ctx):
    kwargs = {}
    children = []
    (await async_parse_kw_args(args, kwargs, children, env, ctx))
    local = env_merge(component_closure(comp), env)
    for p in component_params(comp):
        local[p] = (dict_get(kwargs, p) if sx_truthy(dict_has(kwargs, p)) else NIL)
    if sx_truthy(component_has_children(comp)):
        local['children'] = make_raw_html(join('', (await async_map_render(children, env, ctx))))
    return (await async_render(component_body(comp), local, ctx))

# async-render-island
async def async_render_island(island, args, env, ctx):
    kwargs = {}
    children = []
    (await async_parse_kw_args(args, kwargs, children, env, ctx))
    local = env_merge(component_closure(island), env)
    island_name = component_name(island)
    for p in component_params(island):
        local[p] = (dict_get(kwargs, p) if sx_truthy(dict_has(kwargs, p)) else NIL)
    if sx_truthy(component_has_children(island)):
        local['children'] = make_raw_html(join('', (await async_map_render(children, env, ctx))))
    body_html = (await async_render(component_body(island), local, ctx))
    state_json = serialize_island_state(kwargs)
    return sx_str('<span data-sx-island="', escape_attr(island_name), '"', (sx_str(' data-sx-state="', escape_attr(state_json), '"') if sx_truthy(state_json) else ''), '>', body_html, '</span>')

# async-render-lambda
async def async_render_lambda(f, args, env, ctx):
    local = env_merge(lambda_closure(f), env)
    for_each_indexed(lambda i, p: _sx_dict_set(local, p, nth(args, i)), lambda_params(f))
    return (await async_render(lambda_body(f), local, ctx))

# async-parse-kw-args
async def async_parse_kw_args(args, kwargs, children, env, ctx):
    _cells = {}
    _cells['skip'] = False
    _cells['i'] = 0
    for arg in args:
        if sx_truthy(_cells['skip']):
            _cells['skip'] = False
            _cells['i'] = (_cells['i'] + 1)
        else:
            if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((_cells['i'] + 1) < len(args)))):
                val = (await async_eval(nth(args, (_cells['i'] + 1)), env, ctx))
                kwargs[keyword_name(arg)] = val
                _cells['skip'] = True
                _cells['i'] = (_cells['i'] + 1)
            else:
                children.append(arg)
                _cells['i'] = (_cells['i'] + 1)
    return NIL

# async-map-render
async def async_map_render(exprs, env, ctx):
    results = []
    for x in exprs:
        results.append((await async_render(x, env, ctx)))
    return results

# ASYNC_RENDER_FORMS
ASYNC_RENDER_FORMS = ['if', 'when', 'cond', 'case', 'let', 'let*', 'begin', 'do', 'define', 'defcomp', 'defisland', 'defmacro', 'defstyle', 'defhandler', 'deftype', 'defeffect', 'map', 'map-indexed', 'filter', 'for-each']

# async-render-form?
def async_render_form_p(name):
    return contains_p(ASYNC_RENDER_FORMS, name)

# dispatch-async-render-form
async def dispatch_async_render_form(name, expr, env, ctx):
    if sx_truthy((name == 'if')):
        cond_val = (await async_eval(nth(expr, 1), env, ctx))
        if sx_truthy(cond_val):
            return (await async_render(nth(expr, 2), env, ctx))
        else:
            if sx_truthy((len(expr) > 3)):
                return (await async_render(nth(expr, 3), env, ctx))
            else:
                return ''
    elif sx_truthy((name == 'when')):
        if sx_truthy((not sx_truthy((await async_eval(nth(expr, 1), env, ctx))))):
            return ''
        else:
            return join('', (await async_map_render(slice(expr, 2), env, ctx)))
    elif sx_truthy((name == 'cond')):
        clauses = rest(expr)
        if sx_truthy(cond_scheme_p(clauses)):
            return (await async_render_cond_scheme(clauses, env, ctx))
        else:
            return (await async_render_cond_clojure(clauses, env, ctx))
    elif sx_truthy((name == 'case')):
        return (await async_render((await async_eval(expr, env, ctx)), env, ctx))
    elif sx_truthy(((name == 'let') if sx_truthy((name == 'let')) else (name == 'let*'))):
        local = (await async_process_bindings(nth(expr, 1), env, ctx))
        return join('', (await async_map_render(slice(expr, 2), local, ctx)))
    elif sx_truthy(((name == 'begin') if sx_truthy((name == 'begin')) else (name == 'do'))):
        return join('', (await async_map_render(rest(expr), env, ctx)))
    elif sx_truthy(is_definition_form(name)):
        (await async_eval(expr, env, ctx))
        return ''
    elif sx_truthy((name == 'map')):
        f = (await async_eval(nth(expr, 1), env, ctx))
        coll = (await async_eval(nth(expr, 2), env, ctx))
        return join('', (await async_map_fn_render(f, coll, env, ctx)))
    elif sx_truthy((name == 'map-indexed')):
        f = (await async_eval(nth(expr, 1), env, ctx))
        coll = (await async_eval(nth(expr, 2), env, ctx))
        return join('', (await async_map_indexed_fn_render(f, coll, env, ctx)))
    elif sx_truthy((name == 'filter')):
        return (await async_render((await async_eval(expr, env, ctx)), env, ctx))
    elif sx_truthy((name == 'for-each')):
        f = (await async_eval(nth(expr, 1), env, ctx))
        coll = (await async_eval(nth(expr, 2), env, ctx))
        return join('', (await async_map_fn_render(f, coll, env, ctx)))
    else:
        return (await async_render((await async_eval(expr, env, ctx)), env, ctx))

# async-render-cond-scheme
async def async_render_cond_scheme(clauses, env, ctx):
    if sx_truthy(empty_p(clauses)):
        return ''
    else:
        clause = first(clauses)
        test = first(clause)
        body = nth(clause, 1)
        if sx_truthy((((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))) if sx_truthy(((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else')))) else ((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')))):
            return (await async_render(body, env, ctx))
        else:
            if sx_truthy((await async_eval(test, env, ctx))):
                return (await async_render(body, env, ctx))
            else:
                return (await async_render_cond_scheme(rest(clauses), env, ctx))

# async-render-cond-clojure
async def async_render_cond_clojure(clauses, env, ctx):
    if sx_truthy((len(clauses) < 2)):
        return ''
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))))):
            return (await async_render(body, env, ctx))
        else:
            if sx_truthy((await async_eval(test, env, ctx))):
                return (await async_render(body, env, ctx))
            else:
                return (await async_render_cond_clojure(slice(clauses, 2), env, ctx))

# async-process-bindings
async def async_process_bindings(bindings, env, ctx):
    local = env_extend(env)
    if sx_truthy(((type_of(bindings) == 'list') if not sx_truthy((type_of(bindings) == 'list')) else (not sx_truthy(empty_p(bindings))))):
        if sx_truthy((type_of(first(bindings)) == 'list')):
            for pair in bindings:
                if sx_truthy(((type_of(pair) == 'list') if not sx_truthy((type_of(pair) == 'list')) else (len(pair) >= 2))):
                    name = (symbol_name(first(pair)) if sx_truthy((type_of(first(pair)) == 'symbol')) else sx_str(first(pair)))
                    local[name] = (await async_eval(nth(pair, 1), local, ctx))
        else:
            (await async_process_bindings_flat(bindings, local, ctx))
    return local

# async-process-bindings-flat
async def async_process_bindings_flat(bindings, local, ctx):
    _cells = {}
    _cells['skip'] = False
    _cells['i'] = 0
    for item in bindings:
        if sx_truthy(_cells['skip']):
            _cells['skip'] = False
            _cells['i'] = (_cells['i'] + 1)
        else:
            name = (symbol_name(item) if sx_truthy((type_of(item) == 'symbol')) else sx_str(item))
            if sx_truthy(((_cells['i'] + 1) < len(bindings))):
                local[name] = (await async_eval(nth(bindings, (_cells['i'] + 1)), local, ctx))
            _cells['skip'] = True
            _cells['i'] = (_cells['i'] + 1)
    return NIL

# async-map-fn-render
async def async_map_fn_render(f, coll, env, ctx):
    results = []
    for item in coll:
        if sx_truthy(is_lambda(f)):
            results.append((await async_render_lambda(f, [item], env, ctx)))
        else:
            r = (await async_invoke(f, item))
            results.append((await async_render(r, env, ctx)))
    return results

# async-map-indexed-fn-render
async def async_map_indexed_fn_render(f, coll, env, ctx):
    _cells = {}
    results = []
    _cells['i'] = 0
    for item in coll:
        if sx_truthy(is_lambda(f)):
            results.append((await async_render_lambda(f, [_cells['i'], item], env, ctx)))
        else:
            r = (await async_invoke(f, _cells['i'], item))
            results.append((await async_render(r, env, ctx)))
        _cells['i'] = (_cells['i'] + 1)
    return results

# async-invoke
async def async_invoke(f, *args):
    r = apply(f, args)
    if sx_truthy(is_async_coroutine(r)):
        return (await async_await(r))
    else:
        return r

# async-aser
async def async_aser(expr, env, ctx):
    _match = type_of(expr)
    if _match == 'number':
        return expr
    elif _match == 'string':
        return expr
    elif _match == 'boolean':
        return expr
    elif _match == 'nil':
        return NIL
    elif _match == 'symbol':
        name = symbol_name(expr)
        if sx_truthy(env_has(env, name)):
            return env_get(env, name)
        elif sx_truthy(is_primitive(name)):
            return get_primitive(name)
        elif sx_truthy((name == 'true')):
            return True
        elif sx_truthy((name == 'false')):
            return False
        elif sx_truthy((name == 'nil')):
            return NIL
        else:
            return error(sx_str('Undefined symbol: ', name))
    elif _match == 'keyword':
        return keyword_name(expr)
    elif _match == 'dict':
        return (await async_aser_dict(expr, env, ctx))
    elif _match == 'list':
        if sx_truthy(empty_p(expr)):
            return []
        else:
            return (await async_aser_list(expr, env, ctx))
    else:
        return expr

# async-aser-dict
async def async_aser_dict(expr, env, ctx):
    result = {}
    for key in keys(expr):
        result[key] = (await async_aser(dict_get(expr, key), env, ctx))
    return result

# async-aser-list
async def async_aser_list(expr, env, ctx):
    head = first(expr)
    args = rest(expr)
    if sx_truthy((not sx_truthy((type_of(head) == 'symbol')))):
        if sx_truthy((is_lambda(head) if sx_truthy(is_lambda(head)) else (type_of(head) == 'list'))):
            return (await async_aser_eval_call(head, args, env, ctx))
        else:
            return (await async_aser_map_list(expr, env, ctx))
    else:
        name = symbol_name(head)
        if sx_truthy(io_primitive_p(name)):
            return (await async_eval(expr, env, ctx))
        elif sx_truthy((name == '<>')):
            return (await async_aser_fragment(args, env, ctx))
        elif sx_truthy((name == 'raw!')):
            return (await async_aser_call('raw!', args, env, ctx))
        elif sx_truthy(starts_with_p(name, 'html:')):
            return (await async_aser_call(slice(name, 5), args, env, ctx))
        elif sx_truthy(starts_with_p(name, '~')):
            val = (env_get(env, name) if sx_truthy(env_has(env, name)) else NIL)
            if sx_truthy(is_macro(val)):
                return (await async_aser(trampoline(expand_macro(val, args, env)), env, ctx))
            elif sx_truthy((is_component(val) if not sx_truthy(is_component(val)) else (expand_components_p() if sx_truthy(expand_components_p()) else (component_affinity(val) == 'server')))):
                return (await async_aser_component(val, args, env, ctx))
            else:
                return (await async_aser_call(name, args, env, ctx))
        elif sx_truthy(async_aser_form_p(name)):
            if sx_truthy((contains_p(HTML_TAGS, name) if not sx_truthy(contains_p(HTML_TAGS, name)) else (((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword')) if sx_truthy(((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword'))) else svg_context_p()))):
                return (await async_aser_call(name, args, env, ctx))
            else:
                return (await dispatch_async_aser_form(name, expr, env, ctx))
        elif sx_truthy(contains_p(HTML_TAGS, name)):
            return (await async_aser_call(name, args, env, ctx))
        elif sx_truthy((env_has(env, name) if not sx_truthy(env_has(env, name)) else is_macro(env_get(env, name)))):
            return (await async_aser(trampoline(expand_macro(env_get(env, name), args, env)), env, ctx))
        elif sx_truthy(((index_of(name, '-') > 0) if not sx_truthy((index_of(name, '-') > 0)) else ((len(expr) > 1) if not sx_truthy((len(expr) > 1)) else (type_of(nth(expr, 1)) == 'keyword')))):
            return (await async_aser_call(name, args, env, ctx))
        elif sx_truthy(svg_context_p()):
            return (await async_aser_call(name, args, env, ctx))
        else:
            return (await async_aser_eval_call(head, args, env, ctx))

# async-aser-eval-call
async def async_aser_eval_call(head, args, env, ctx):
    f = (await async_eval(head, env, ctx))
    evaled_args = (await async_eval_args(args, env, ctx))
    if sx_truthy((is_callable(f) if not sx_truthy(is_callable(f)) else ((not sx_truthy(is_lambda(f))) if not sx_truthy((not sx_truthy(is_lambda(f)))) else (not sx_truthy(is_component(f)))))):
        r = apply(f, evaled_args)
        if sx_truthy(is_async_coroutine(r)):
            return (await async_await(r))
        else:
            return r
    elif sx_truthy(is_lambda(f)):
        local = env_merge(lambda_closure(f), env)
        for_each_indexed(lambda i, p: _sx_dict_set(local, p, nth(evaled_args, i)), lambda_params(f))
        return (await async_aser(lambda_body(f), local, ctx))
    elif sx_truthy(is_component(f)):
        return (await async_aser_call(sx_str('~', component_name(f)), args, env, ctx))
    elif sx_truthy(is_island(f)):
        return (await async_aser_call(sx_str('~', component_name(f)), args, env, ctx))
    else:
        return error(sx_str('Not callable: ', inspect(f)))

# async-eval-args
async def async_eval_args(args, env, ctx):
    results = []
    for a in args:
        results.append((await async_eval(a, env, ctx)))
    return results

# async-aser-map-list
async def async_aser_map_list(exprs, env, ctx):
    results = []
    for x in exprs:
        results.append((await async_aser(x, env, ctx)))
    return results

# async-aser-fragment
async def async_aser_fragment(children, env, ctx):
    parts = []
    for c in children:
        result = (await async_aser(c, env, ctx))
        if sx_truthy((type_of(result) == 'list')):
            for item in result:
                if sx_truthy((not sx_truthy(is_nil(item)))):
                    parts.append(serialize(item))
        else:
            if sx_truthy((not sx_truthy(is_nil(result)))):
                parts.append(serialize(result))
    if sx_truthy(empty_p(parts)):
        return make_sx_expr('')
    else:
        return make_sx_expr(sx_str('(<> ', join(' ', parts), ')'))

# async-aser-component
async def async_aser_component(comp, args, env, ctx):
    kwargs = {}
    children = []
    (await async_parse_aser_kw_args(args, kwargs, children, env, ctx))
    local = env_merge(component_closure(comp), env)
    for p in component_params(comp):
        local[p] = (dict_get(kwargs, p) if sx_truthy(dict_has(kwargs, p)) else NIL)
    if sx_truthy(component_has_children(comp)):
        child_parts = []
        for c in children:
            result = (await async_aser(c, env, ctx))
            if sx_truthy(list_p(result)):
                for item in result:
                    if sx_truthy((not sx_truthy(is_nil(item)))):
                        child_parts.append(serialize(item))
            else:
                if sx_truthy((not sx_truthy(is_nil(result)))):
                    child_parts.append(serialize(result))
        local['children'] = make_sx_expr(sx_str('(<> ', join(' ', child_parts), ')'))
    return (await async_aser(component_body(comp), local, ctx))

# async-parse-aser-kw-args
async def async_parse_aser_kw_args(args, kwargs, children, env, ctx):
    _cells = {}
    _cells['skip'] = False
    _cells['i'] = 0
    for arg in args:
        if sx_truthy(_cells['skip']):
            _cells['skip'] = False
            _cells['i'] = (_cells['i'] + 1)
        else:
            if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((_cells['i'] + 1) < len(args)))):
                val = (await async_aser(nth(args, (_cells['i'] + 1)), env, ctx))
                kwargs[keyword_name(arg)] = val
                _cells['skip'] = True
                _cells['i'] = (_cells['i'] + 1)
            else:
                children.append(arg)
                _cells['i'] = (_cells['i'] + 1)
    return NIL

# async-aser-call
async def async_aser_call(name, args, env, ctx):
    _cells = {}
    token = (svg_context_set(True) if sx_truthy(((name == 'svg') if sx_truthy((name == 'svg')) else (name == 'math'))) else NIL)
    parts = [name]
    _cells['skip'] = False
    _cells['i'] = 0
    for arg in args:
        if sx_truthy(_cells['skip']):
            _cells['skip'] = False
            _cells['i'] = (_cells['i'] + 1)
        else:
            if sx_truthy(((type_of(arg) == 'keyword') if not sx_truthy((type_of(arg) == 'keyword')) else ((_cells['i'] + 1) < len(args)))):
                val = (await async_aser(nth(args, (_cells['i'] + 1)), env, ctx))
                if sx_truthy((not sx_truthy(is_nil(val)))):
                    parts.append(sx_str(':', keyword_name(arg)))
                    if sx_truthy((type_of(val) == 'list')):
                        live = filter(lambda v: (not sx_truthy(is_nil(v))), val)
                        if sx_truthy(empty_p(live)):
                            parts.append('nil')
                        else:
                            items = map(serialize, live)
                            if sx_truthy(some(lambda v: is_sx_expr(v), live)):
                                parts.append(sx_str('(<> ', join(' ', items), ')'))
                            else:
                                parts.append(sx_str('(list ', join(' ', items), ')'))
                    else:
                        parts.append(serialize(val))
                _cells['skip'] = True
                _cells['i'] = (_cells['i'] + 1)
            else:
                result = (await async_aser(arg, env, ctx))
                if sx_truthy((not sx_truthy(is_nil(result)))):
                    if sx_truthy((type_of(result) == 'list')):
                        for item in result:
                            if sx_truthy((not sx_truthy(is_nil(item)))):
                                parts.append(serialize(item))
                    else:
                        parts.append(serialize(result))
                _cells['i'] = (_cells['i'] + 1)
    if sx_truthy(token):
        svg_context_reset(token)
    return make_sx_expr(sx_str('(', join(' ', parts), ')'))

# ASYNC_ASER_FORM_NAMES
ASYNC_ASER_FORM_NAMES = ['if', 'when', 'cond', 'case', 'and', 'or', 'let', 'let*', 'lambda', 'fn', 'define', 'defcomp', 'defmacro', 'defstyle', 'defhandler', 'defpage', 'defquery', 'defaction', 'begin', 'do', 'quote', '->', 'set!', 'defisland', 'deftype', 'defeffect']

# ASYNC_ASER_HO_NAMES
ASYNC_ASER_HO_NAMES = ['map', 'map-indexed', 'filter', 'for-each']

# async-aser-form?
def async_aser_form_p(name):
    return (contains_p(ASYNC_ASER_FORM_NAMES, name) if sx_truthy(contains_p(ASYNC_ASER_FORM_NAMES, name)) else contains_p(ASYNC_ASER_HO_NAMES, name))

# dispatch-async-aser-form
async def dispatch_async_aser_form(name, expr, env, ctx):
    _cells = {}
    args = rest(expr)
    if sx_truthy((name == 'if')):
        cond_val = (await async_eval(first(args), env, ctx))
        if sx_truthy(cond_val):
            return (await async_aser(nth(args, 1), env, ctx))
        else:
            if sx_truthy((len(args) > 2)):
                return (await async_aser(nth(args, 2), env, ctx))
            else:
                return NIL
    elif sx_truthy((name == 'when')):
        if sx_truthy((not sx_truthy((await async_eval(first(args), env, ctx))))):
            return NIL
        else:
            _cells['result'] = NIL
            for body in rest(args):
                _cells['result'] = (await async_aser(body, env, ctx))
            return _cells['result']
    elif sx_truthy((name == 'cond')):
        if sx_truthy(cond_scheme_p(args)):
            return (await async_aser_cond_scheme(args, env, ctx))
        else:
            return (await async_aser_cond_clojure(args, env, ctx))
    elif sx_truthy((name == 'case')):
        match_val = (await async_eval(first(args), env, ctx))
        return (await async_aser_case_loop(match_val, rest(args), env, ctx))
    elif sx_truthy(((name == 'let') if sx_truthy((name == 'let')) else (name == 'let*'))):
        local = (await async_process_bindings(first(args), env, ctx))
        _cells['result'] = NIL
        for body in rest(args):
            _cells['result'] = (await async_aser(body, local, ctx))
        return _cells['result']
    elif sx_truthy(((name == 'begin') if sx_truthy((name == 'begin')) else (name == 'do'))):
        _cells['result'] = NIL
        for body in args:
            _cells['result'] = (await async_aser(body, env, ctx))
        return _cells['result']
    elif sx_truthy((name == 'and')):
        _cells['result'] = True
        _cells['stop'] = False
        for arg in args:
            if sx_truthy((not sx_truthy(_cells['stop']))):
                _cells['result'] = (await async_eval(arg, env, ctx))
                if sx_truthy((not sx_truthy(_cells['result']))):
                    _cells['stop'] = True
        return _cells['result']
    elif sx_truthy((name == 'or')):
        _cells['result'] = False
        _cells['stop'] = False
        for arg in args:
            if sx_truthy((not sx_truthy(_cells['stop']))):
                _cells['result'] = (await async_eval(arg, env, ctx))
                if sx_truthy(_cells['result']):
                    _cells['stop'] = True
        return _cells['result']
    elif sx_truthy(((name == 'lambda') if sx_truthy((name == 'lambda')) else (name == 'fn'))):
        return sf_lambda(args, env)
    elif sx_truthy((name == 'quote')):
        if sx_truthy(empty_p(args)):
            return NIL
        else:
            return first(args)
    elif sx_truthy((name == '->')):
        return (await async_aser_thread_first(args, env, ctx))
    elif sx_truthy((name == 'set!')):
        value = (await async_eval(nth(args, 1), env, ctx))
        env[symbol_name(first(args))] = value
        return value
    elif sx_truthy((name == 'map')):
        return (await async_aser_ho_map(args, env, ctx))
    elif sx_truthy((name == 'map-indexed')):
        return (await async_aser_ho_map_indexed(args, env, ctx))
    elif sx_truthy((name == 'filter')):
        return (await async_eval(expr, env, ctx))
    elif sx_truthy((name == 'for-each')):
        return (await async_aser_ho_for_each(args, env, ctx))
    elif sx_truthy((name == 'defisland')):
        (await async_eval(expr, env, ctx))
        return serialize(expr)
    elif sx_truthy(((name == 'define') if sx_truthy((name == 'define')) else ((name == 'defcomp') if sx_truthy((name == 'defcomp')) else ((name == 'defmacro') if sx_truthy((name == 'defmacro')) else ((name == 'defstyle') if sx_truthy((name == 'defstyle')) else ((name == 'defhandler') if sx_truthy((name == 'defhandler')) else ((name == 'defpage') if sx_truthy((name == 'defpage')) else ((name == 'defquery') if sx_truthy((name == 'defquery')) else ((name == 'defaction') if sx_truthy((name == 'defaction')) else ((name == 'deftype') if sx_truthy((name == 'deftype')) else (name == 'defeffect'))))))))))):
        (await async_eval(expr, env, ctx))
        return NIL
    else:
        return (await async_eval(expr, env, ctx))

# async-aser-cond-scheme
async def async_aser_cond_scheme(clauses, env, ctx):
    if sx_truthy(empty_p(clauses)):
        return NIL
    else:
        clause = first(clauses)
        test = first(clause)
        body = nth(clause, 1)
        if sx_truthy((((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))) if sx_truthy(((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else')))) else ((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')))):
            return (await async_aser(body, env, ctx))
        else:
            if sx_truthy((await async_eval(test, env, ctx))):
                return (await async_aser(body, env, ctx))
            else:
                return (await async_aser_cond_scheme(rest(clauses), env, ctx))

# async-aser-cond-clojure
async def async_aser_cond_clojure(clauses, env, ctx):
    if sx_truthy((len(clauses) < 2)):
        return NIL
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == 'else') if sx_truthy((symbol_name(test) == 'else')) else (symbol_name(test) == ':else'))))):
            return (await async_aser(body, env, ctx))
        else:
            if sx_truthy((await async_eval(test, env, ctx))):
                return (await async_aser(body, env, ctx))
            else:
                return (await async_aser_cond_clojure(slice(clauses, 2), env, ctx))

# async-aser-case-loop
async def async_aser_case_loop(match_val, clauses, env, ctx):
    if sx_truthy((len(clauses) < 2)):
        return NIL
    else:
        test = first(clauses)
        body = nth(clauses, 1)
        if sx_truthy((((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else')) if sx_truthy(((type_of(test) == 'keyword') if not sx_truthy((type_of(test) == 'keyword')) else (keyword_name(test) == 'else'))) else ((type_of(test) == 'symbol') if not sx_truthy((type_of(test) == 'symbol')) else ((symbol_name(test) == ':else') if sx_truthy((symbol_name(test) == ':else')) else (symbol_name(test) == 'else'))))):
            return (await async_aser(body, env, ctx))
        else:
            if sx_truthy((match_val == (await async_eval(test, env, ctx)))):
                return (await async_aser(body, env, ctx))
            else:
                return (await async_aser_case_loop(match_val, slice(clauses, 2), env, ctx))

# async-aser-thread-first
async def async_aser_thread_first(args, env, ctx):
    _cells = {}
    _cells['result'] = (await async_eval(first(args), env, ctx))
    for form in rest(args):
        if sx_truthy((type_of(form) == 'list')):
            f = (await async_eval(first(form), env, ctx))
            fn_args = cons(_cells['result'], (await async_eval_args(rest(form), env, ctx)))
            _cells['result'] = (await async_invoke_or_lambda(f, fn_args, env, ctx))
        else:
            f = (await async_eval(form, env, ctx))
            _cells['result'] = (await async_invoke_or_lambda(f, [_cells['result']], env, ctx))
    return _cells['result']

# async-invoke-or-lambda
async def async_invoke_or_lambda(f, args, env, ctx):
    if sx_truthy((is_callable(f) if not sx_truthy(is_callable(f)) else ((not sx_truthy(is_lambda(f))) if not sx_truthy((not sx_truthy(is_lambda(f)))) else (not sx_truthy(is_component(f)))))):
        r = apply(f, args)
        if sx_truthy(is_async_coroutine(r)):
            return (await async_await(r))
        else:
            return r
    elif sx_truthy(is_lambda(f)):
        local = env_merge(lambda_closure(f), env)
        for_each_indexed(lambda i, p: _sx_dict_set(local, p, nth(args, i)), lambda_params(f))
        return (await async_eval(lambda_body(f), local, ctx))
    else:
        return error(sx_str('-> form not callable: ', inspect(f)))

# async-aser-ho-map
async def async_aser_ho_map(args, env, ctx):
    f = (await async_eval(first(args), env, ctx))
    coll = (await async_eval(nth(args, 1), env, ctx))
    results = []
    for item in coll:
        if sx_truthy(is_lambda(f)):
            local = env_merge(lambda_closure(f), env)
            local[first(lambda_params(f))] = item
            results.append((await async_aser(lambda_body(f), local, ctx)))
        else:
            results.append((await async_invoke(f, item)))
    return results

# async-aser-ho-map-indexed
async def async_aser_ho_map_indexed(args, env, ctx):
    _cells = {}
    f = (await async_eval(first(args), env, ctx))
    coll = (await async_eval(nth(args, 1), env, ctx))
    results = []
    _cells['i'] = 0
    for item in coll:
        if sx_truthy(is_lambda(f)):
            local = env_merge(lambda_closure(f), env)
            local[first(lambda_params(f))] = _cells['i']
            local[nth(lambda_params(f), 1)] = item
            results.append((await async_aser(lambda_body(f), local, ctx)))
        else:
            results.append((await async_invoke(f, _cells['i'], item)))
        _cells['i'] = (_cells['i'] + 1)
    return results

# async-aser-ho-for-each
async def async_aser_ho_for_each(args, env, ctx):
    f = (await async_eval(first(args), env, ctx))
    coll = (await async_eval(nth(args, 1), env, ctx))
    results = []
    for item in coll:
        if sx_truthy(is_lambda(f)):
            local = env_merge(lambda_closure(f), env)
            local[first(lambda_params(f))] = item
            results.append((await async_aser(lambda_body(f), local, ctx)))
        else:
            results.append((await async_invoke(f, item)))
    return results

# async-eval-slot-inner
async def async_eval_slot_inner(expr, env, ctx):
    result = NIL
    if sx_truthy((list_p(expr) if not sx_truthy(list_p(expr)) else (not sx_truthy(empty_p(expr))))):
        head = first(expr)
        if sx_truthy(((type_of(head) == 'symbol') if not sx_truthy((type_of(head) == 'symbol')) else starts_with_p(symbol_name(head), '~'))):
            name = symbol_name(head)
            val = (env_get(env, name) if sx_truthy(env_has(env, name)) else NIL)
            if sx_truthy(is_component(val)):
                result = (await async_aser_component(val, rest(expr), env, ctx))
            else:
                result = (await async_maybe_expand_result((await async_aser(expr, env, ctx)), env, ctx))
        else:
            result = (await async_maybe_expand_result((await async_aser(expr, env, ctx)), env, ctx))
    else:
        result = (await async_maybe_expand_result((await async_aser(expr, env, ctx)), env, ctx))
    if sx_truthy(is_sx_expr(result)):
        return result
    else:
        if sx_truthy(is_nil(result)):
            return make_sx_expr('')
        else:
            if sx_truthy(string_p(result)):
                return make_sx_expr(result)
            else:
                return make_sx_expr(serialize(result))

# async-maybe-expand-result
async def async_maybe_expand_result(result, env, ctx):
    raw = (trim(sx_str(result)) if sx_truthy(is_sx_expr(result)) else (trim(result) if sx_truthy(string_p(result)) else NIL))
    if sx_truthy((raw if not sx_truthy(raw) else starts_with_p(raw, '(~'))):
        parsed = sx_parse(raw)
        if sx_truthy((parsed if not sx_truthy(parsed) else (not sx_truthy(empty_p(parsed))))):
            return (await async_eval_slot_inner(first(parsed), env, ctx))
        else:
            return result
    else:
        return result


# =========================================================================
# Fixups -- wire up render adapter dispatch
# =========================================================================

def _setup_html_adapter():
    global _render_expr_fn
    _render_expr_fn = lambda expr, env: render_list_to_html(expr, env)

def _setup_sx_adapter():
    global _render_expr_fn
    _render_expr_fn = lambda expr, env: aser_list(expr, env)


# Wrap aser_call and aser_fragment to return SxExpr
# so serialize() won't double-quote them
_orig_aser_call = None
_orig_aser_fragment = None

def _wrap_aser_outputs():
    global aser_call, aser_fragment, _orig_aser_call, _orig_aser_fragment
    _orig_aser_call = aser_call
    _orig_aser_fragment = aser_fragment
    def _aser_call_wrapped(name, args, env):
        result = _orig_aser_call(name, args, env)
        return SxExpr(result) if isinstance(result, str) else result
    def _aser_fragment_wrapped(children, env):
        result = _orig_aser_fragment(children, env)
        return SxExpr(result) if isinstance(result, str) else result
    aser_call = _aser_call_wrapped
    aser_fragment = _aser_fragment_wrapped


# Override sf_set_bang to walk the Env scope chain so that (set! var val)
# updates the variable in its defining scope, not just the local copy.
def sf_set_bang(args, env):
    name = symbol_name(first(args))
    value = trampoline(eval_expr(nth(args, 1), env))
    env = _ensure_env(env)
    try:
        env.set(name, value)
    except KeyError:
        # Not found in chain — define locally (matches prior behavior)
        env[name] = value
    return value


# =========================================================================
# Public API
# =========================================================================

# Wrap aser outputs to return SxExpr
_wrap_aser_outputs()

# Set HTML as default adapter
_setup_html_adapter()

def evaluate(expr, env=None):
    """Evaluate expr in env and return the result."""
    if env is None:
        env = _Env()
    elif isinstance(env, dict):
        env = _Env(env)
    result = eval_expr(expr, env)
    while is_thunk(result):
        result = eval_expr(thunk_expr(result), thunk_env(result))
    return result


def render(expr, env=None):
    """Render expr to HTML string."""
    global _render_mode
    if env is None:
        env = {}
    try:
        _render_mode = True
        return render_to_html(expr, env)
    finally:
        _render_mode = False


def make_env(**kwargs):
    """Create an environment with initial bindings."""
    return _Env(dict(kwargs))