Files
rose-ash/shared/static/scripts/sx-ref.js
giles 54adc9c216 Add TCO for parser loops in JS bootstrapper, enable SX_USE_REF
The JS parser transpiled from parser.sx used tail-recursive functions
(readStrLoop, skipWs, readListLoop, etc.) which overflow the stack on
large inputs — the bootstrapper page highlights 100KB of Python and
143KB of JavaScript, producing 7620 spans in a 907KB response.

The bootstrapper now detects zero-arg self-tail-recursive functions and
emits them as while(true) loops with continue instead of recursive
calls. Tested with 150K char strings and 8000 sibling elements.

Also enables SX_USE_REF=1 in dev via x-dev-env anchor.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-05 23:09:02 +00:00

1264 lines
60 KiB
JavaScript

/**
* sx-ref.js — Generated from reference SX evaluator specification.
*
* Bootstrap-compiled from shared/sx/ref/{eval,render,primitives}.sx
* Compare against hand-written sx.js for correctness verification.
*
* DO NOT EDIT — regenerate with: python bootstrap_js.py
*/
;(function(global) {
"use strict";
// =========================================================================
// Types
// =========================================================================
var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
function Symbol(name) { this.name = name; }
Symbol.prototype.toString = function() { return this.name; };
Symbol.prototype._sym = true;
function Keyword(name) { this.name = name; }
Keyword.prototype.toString = function() { return ":" + this.name; };
Keyword.prototype._kw = true;
function Lambda(params, body, closure, name) {
this.params = params;
this.body = body;
this.closure = closure || {};
this.name = name || null;
}
Lambda.prototype._lambda = true;
function Component(name, params, hasChildren, body, closure) {
this.name = name;
this.params = params;
this.hasChildren = hasChildren;
this.body = body;
this.closure = closure || {};
}
Component.prototype._component = true;
function Macro(params, restParam, body, closure, name) {
this.params = params;
this.restParam = restParam;
this.body = body;
this.closure = closure || {};
this.name = name || null;
}
Macro.prototype._macro = true;
function Thunk(expr, env) { this.expr = expr; this.env = env; }
Thunk.prototype._thunk = true;
function RawHTML(html) { this.html = html; }
RawHTML.prototype._raw = true;
function StyleValue(className, declarations, mediaRules, pseudoRules, keyframes) {
this.className = className;
this.declarations = declarations || "";
this.mediaRules = mediaRules || [];
this.pseudoRules = pseudoRules || [];
this.keyframes = keyframes || [];
}
StyleValue.prototype._styleValue = true;
function isSym(x) { return x != null && x._sym === true; }
function isKw(x) { return x != null && x._kw === true; }
function merge() {
var out = {};
for (var i = 0; i < arguments.length; i++) {
var d = arguments[i];
if (d) for (var k in d) out[k] = d[k];
}
return out;
}
function sxOr() {
for (var i = 0; i < arguments.length; i++) {
if (isSxTruthy(arguments[i])) return arguments[i];
}
return arguments.length ? arguments[arguments.length - 1] : false;
}
// =========================================================================
// Platform interface — JS implementation
// =========================================================================
function typeOf(x) {
if (isNil(x)) return "nil";
if (typeof x === "number") return "number";
if (typeof x === "string") return "string";
if (typeof x === "boolean") return "boolean";
if (x._sym) return "symbol";
if (x._kw) return "keyword";
if (x._thunk) return "thunk";
if (x._lambda) return "lambda";
if (x._component) return "component";
if (x._macro) return "macro";
if (x._raw) return "raw-html";
if (x._styleValue) return "style-value";
if (typeof Node !== "undefined" && x instanceof Node) return "dom-node";
if (Array.isArray(x)) return "list";
if (typeof x === "object") return "dict";
return "unknown";
}
function symbolName(s) { return s.name; }
function keywordName(k) { return k.name; }
function makeSymbol(n) { return new Symbol(n); }
function makeKeyword(n) { return new Keyword(n); }
function makeLambda(params, body, env) { return new Lambda(params, body, merge(env)); }
function makeComponent(name, params, hasChildren, body, env) {
return new Component(name, params, hasChildren, body, merge(env));
}
function makeMacro(params, restParam, body, env, name) {
return new Macro(params, restParam, body, merge(env), name);
}
function makeThunk(expr, env) { return new Thunk(expr, env); }
function lambdaParams(f) { return f.params; }
function lambdaBody(f) { return f.body; }
function lambdaClosure(f) { return f.closure; }
function lambdaName(f) { return f.name; }
function setLambdaName(f, n) { f.name = n; }
function componentParams(c) { return c.params; }
function componentBody(c) { return c.body; }
function componentClosure(c) { return c.closure; }
function componentHasChildren(c) { return c.hasChildren; }
function componentName(c) { return c.name; }
function macroParams(m) { return m.params; }
function macroRestParam(m) { return m.restParam; }
function macroBody(m) { return m.body; }
function macroClosure(m) { return m.closure; }
function isThunk(x) { return x != null && x._thunk === true; }
function thunkExpr(t) { return t.expr; }
function thunkEnv(t) { return t.env; }
function isCallable(x) { return typeof x === "function" || (x != null && x._lambda === true); }
function isLambda(x) { return x != null && x._lambda === true; }
function isComponent(x) { return x != null && x._component === true; }
function isMacro(x) { return x != null && x._macro === true; }
function isStyleValue(x) { return x != null && x._styleValue === true; }
function styleValueClass(x) { return x.className; }
function styleValue_p(x) { return x != null && x._styleValue === true; }
function buildKeyframes(kfName, steps, env) {
// Platform implementation of defkeyframes
var parts = [];
for (var i = 0; i < steps.length; i++) {
var step = steps[i];
var selector = isSym(step[0]) ? step[0].name : String(step[0]);
var body = trampoline(evalExpr(step[1], env));
var decls = isStyleValue(body) ? body.declarations : String(body);
parts.push(selector + "{" + decls + "}");
}
var kfRule = "@keyframes " + kfName + "{" + parts.join("") + "}";
var cn = "sx-ref-kf-" + kfName;
var sv = new StyleValue(cn, "animation-name:" + kfName, [], [], [[kfName, kfRule]]);
env[kfName] = sv;
return sv;
}
function envHas(env, name) { return name in env; }
function envGet(env, name) { return env[name]; }
function envSet(env, name, val) { env[name] = val; }
function envExtend(env) { return merge(env); }
function envMerge(base, overlay) { return merge(base, overlay); }
function dictSet(d, k, v) { d[k] = v; }
function dictGet(d, k) { var v = d[k]; return v !== undefined ? v : NIL; }
// Render-expression detection — lets the evaluator delegate to the active adapter.
// Matches HTML tags, SVG tags, <>, raw!, ~components, html: prefix, custom elements.
function isRenderExpr(expr) {
if (!Array.isArray(expr) || !expr.length) return false;
var h = expr[0];
if (!h || !h._sym) return false;
var n = h.name;
return !!(n === "<>" || n === "raw!" ||
n.charAt(0) === "~" || n.indexOf("html:") === 0 ||
(typeof HTML_TAGS !== "undefined" && HTML_TAGS.indexOf(n) >= 0) ||
(typeof SVG_TAGS !== "undefined" && SVG_TAGS.indexOf(n) >= 0) ||
(n.indexOf("-") > 0 && expr.length > 1 && expr[1] && expr[1]._kw));
}
// Render dispatch — call the active adapter's render function.
// Set by each adapter when loaded; defaults to identity (no rendering).
var _renderExprFn = null;
function renderExpr(expr, env) {
if (_renderExprFn) return _renderExprFn(expr, env);
// No adapter loaded — just return the expression as-is
return expr;
}
function stripPrefix(s, prefix) {
return s.indexOf(prefix) === 0 ? s.slice(prefix.length) : s;
}
function error(msg) { throw new Error(msg); }
function inspect(x) { return JSON.stringify(x); }
// =========================================================================
// Primitives
// =========================================================================
var PRIMITIVES = {};
// Arithmetic
PRIMITIVES["+"] = function() { var s = 0; for (var i = 0; i < arguments.length; i++) s += arguments[i]; return s; };
PRIMITIVES["-"] = function(a, b) { return arguments.length === 1 ? -a : a - b; };
PRIMITIVES["*"] = function() { var s = 1; for (var i = 0; i < arguments.length; i++) s *= arguments[i]; return s; };
PRIMITIVES["/"] = function(a, b) { return a / b; };
PRIMITIVES["mod"] = function(a, b) { return a % b; };
PRIMITIVES["inc"] = function(n) { return n + 1; };
PRIMITIVES["dec"] = function(n) { return n - 1; };
PRIMITIVES["abs"] = Math.abs;
PRIMITIVES["floor"] = Math.floor;
PRIMITIVES["ceil"] = Math.ceil;
PRIMITIVES["round"] = Math.round;
PRIMITIVES["min"] = Math.min;
PRIMITIVES["max"] = Math.max;
PRIMITIVES["sqrt"] = Math.sqrt;
PRIMITIVES["pow"] = Math.pow;
PRIMITIVES["clamp"] = function(x, lo, hi) { return Math.max(lo, Math.min(hi, x)); };
// Comparison
PRIMITIVES["="] = function(a, b) { return a == b; };
PRIMITIVES["!="] = function(a, b) { return a != b; };
PRIMITIVES["<"] = function(a, b) { return a < b; };
PRIMITIVES[">"] = function(a, b) { return a > b; };
PRIMITIVES["<="] = function(a, b) { return a <= b; };
PRIMITIVES[">="] = function(a, b) { return a >= b; };
// Logic
PRIMITIVES["not"] = function(x) { return !isSxTruthy(x); };
// String
PRIMITIVES["str"] = function() {
var p = [];
for (var i = 0; i < arguments.length; i++) {
var v = arguments[i]; if (isNil(v)) continue; p.push(String(v));
}
return p.join("");
};
PRIMITIVES["upper"] = function(s) { return String(s).toUpperCase(); };
PRIMITIVES["lower"] = function(s) { return String(s).toLowerCase(); };
PRIMITIVES["trim"] = function(s) { return String(s).trim(); };
PRIMITIVES["split"] = function(s, sep) { return String(s).split(sep || " "); };
PRIMITIVES["join"] = function(sep, coll) { return coll.join(sep); };
PRIMITIVES["replace"] = function(s, old, nw) { return s.split(old).join(nw); };
PRIMITIVES["starts-with?"] = function(s, p) { return String(s).indexOf(p) === 0; };
PRIMITIVES["ends-with?"] = function(s, p) { var str = String(s); return str.indexOf(p, str.length - p.length) !== -1; };
PRIMITIVES["slice"] = function(c, a, b) { return b !== undefined ? c.slice(a, b) : c.slice(a); };
PRIMITIVES["concat"] = function() {
var out = [];
for (var i = 0; i < arguments.length; i++) if (arguments[i]) out = out.concat(arguments[i]);
return out;
};
PRIMITIVES["strip-tags"] = function(s) { return String(s).replace(/<[^>]+>/g, ""); };
// Predicates
PRIMITIVES["nil?"] = isNil;
PRIMITIVES["number?"] = function(x) { return typeof x === "number"; };
PRIMITIVES["string?"] = function(x) { return typeof x === "string"; };
PRIMITIVES["list?"] = Array.isArray;
PRIMITIVES["dict?"] = function(x) { return x !== null && typeof x === "object" && !Array.isArray(x) && !x._sym && !x._kw; };
PRIMITIVES["empty?"] = function(c) { return isNil(c) || (Array.isArray(c) ? c.length === 0 : typeof c === "string" ? c.length === 0 : Object.keys(c).length === 0); };
PRIMITIVES["contains?"] = function(c, k) {
if (typeof c === "string") return c.indexOf(String(k)) !== -1;
if (Array.isArray(c)) return c.indexOf(k) !== -1;
return k in c;
};
PRIMITIVES["odd?"] = function(n) { return n % 2 !== 0; };
PRIMITIVES["even?"] = function(n) { return n % 2 === 0; };
PRIMITIVES["zero?"] = function(n) { return n === 0; };
// Collections
PRIMITIVES["list"] = function() { return Array.prototype.slice.call(arguments); };
PRIMITIVES["dict"] = function() {
var d = {};
for (var i = 0; i < arguments.length - 1; i += 2) d[arguments[i]] = arguments[i + 1];
return d;
};
PRIMITIVES["range"] = function(a, b, step) {
var r = []; step = step || 1;
for (var i = a; step > 0 ? i < b : i > b; i += step) r.push(i);
return r;
};
PRIMITIVES["get"] = function(c, k, def) { var v = (c && c[k]); return v !== undefined ? v : (def !== undefined ? def : NIL); };
PRIMITIVES["len"] = function(c) { return Array.isArray(c) ? c.length : typeof c === "string" ? c.length : Object.keys(c).length; };
PRIMITIVES["first"] = function(c) { return c && c.length > 0 ? c[0] : NIL; };
PRIMITIVES["last"] = function(c) { return c && c.length > 0 ? c[c.length - 1] : NIL; };
PRIMITIVES["rest"] = function(c) { return c ? c.slice(1) : []; };
PRIMITIVES["nth"] = function(c, n) { return c && n >= 0 && n < c.length ? c[n] : NIL; };
PRIMITIVES["cons"] = function(x, c) { return [x].concat(c || []); };
PRIMITIVES["append"] = function(c, x) { return (c || []).concat([x]); };
PRIMITIVES["keys"] = function(d) { return Object.keys(d || {}); };
PRIMITIVES["vals"] = function(d) { var r = []; for (var k in d) r.push(d[k]); return r; };
PRIMITIVES["merge"] = function() {
var out = {};
for (var i = 0; i < arguments.length; i++) { var d = arguments[i]; if (d && !isNil(d)) for (var k in d) out[k] = d[k]; }
return out;
};
PRIMITIVES["assoc"] = function(d) {
var out = {}; if (d && !isNil(d)) for (var k in d) out[k] = d[k];
for (var i = 1; i < arguments.length - 1; i += 2) out[arguments[i]] = arguments[i + 1];
return out;
};
PRIMITIVES["dissoc"] = function(d) {
var out = {}; for (var k in d) out[k] = d[k];
for (var i = 1; i < arguments.length; i++) delete out[arguments[i]];
return out;
};
PRIMITIVES["chunk-every"] = function(c, n) {
var r = []; for (var i = 0; i < c.length; i += n) r.push(c.slice(i, i + n)); return r;
};
PRIMITIVES["zip-pairs"] = function(c) {
var r = []; for (var i = 0; i < c.length - 1; i++) r.push([c[i], c[i + 1]]); return r;
};
PRIMITIVES["into"] = function(target, coll) {
if (Array.isArray(target)) return Array.isArray(coll) ? coll.slice() : Object.entries(coll);
var r = {}; for (var i = 0; i < coll.length; i++) { var p = coll[i]; if (Array.isArray(p) && p.length >= 2) r[p[0]] = p[1]; }
return r;
};
// Format
PRIMITIVES["format-decimal"] = function(v, p) { return Number(v).toFixed(p || 2); };
PRIMITIVES["parse-int"] = function(v, d) { var n = parseInt(v, 10); return isNaN(n) ? (d || 0) : n; };
PRIMITIVES["pluralize"] = function(n, s, p) {
if (s || (p && p !== "s")) return n == 1 ? (s || "") : (p || "s");
return n == 1 ? "" : "s";
};
PRIMITIVES["escape"] = function(s) {
return String(s).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;");
};
PRIMITIVES["format-date"] = function(s, fmt) {
if (!s) return "";
try {
var d = new Date(s);
if (isNaN(d.getTime())) return String(s);
var months = ["January","February","March","April","May","June","July","August","September","October","November","December"];
var short_months = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
return fmt.replace(/%-d/g, d.getDate()).replace(/%d/g, ("0"+d.getDate()).slice(-2))
.replace(/%B/g, months[d.getMonth()]).replace(/%b/g, short_months[d.getMonth()])
.replace(/%Y/g, d.getFullYear()).replace(/%m/g, ("0"+(d.getMonth()+1)).slice(-2))
.replace(/%H/g, ("0"+d.getHours()).slice(-2)).replace(/%M/g, ("0"+d.getMinutes()).slice(-2));
} catch (e) { return String(s); }
};
PRIMITIVES["parse-datetime"] = function(s) { return s ? String(s) : NIL; };
PRIMITIVES["split-ids"] = function(s) {
if (!s) return [];
return String(s).split(",").map(function(x) { return x.trim(); }).filter(function(x) { return x; });
};
PRIMITIVES["css"] = function() {
// Stub — CSSX requires style dictionary which is browser-only
var atoms = [];
for (var i = 0; i < arguments.length; i++) {
var a = arguments[i];
if (isNil(a) || a === false) continue;
atoms.push(isKw(a) ? a.name : String(a));
}
if (!atoms.length) return NIL;
return new StyleValue("sx-" + atoms.join("-"), atoms.join(";"), [], [], []);
};
PRIMITIVES["merge-styles"] = function() {
var valid = [];
for (var i = 0; i < arguments.length; i++) {
if (isStyleValue(arguments[i])) valid.push(arguments[i]);
}
if (!valid.length) return NIL;
if (valid.length === 1) return valid[0];
var allDecls = valid.map(function(v) { return v.declarations; }).join(";");
return new StyleValue("sx-merged", allDecls, [], [], []);
};
function isPrimitive(name) { return name in PRIMITIVES; }
function getPrimitive(name) { return PRIMITIVES[name]; }
// Higher-order helpers used by the transpiled code
function map(fn, coll) { return coll.map(fn); }
function mapIndexed(fn, coll) { return coll.map(function(item, i) { return fn(i, item); }); }
function filter(fn, coll) { return coll.filter(function(x) { return isSxTruthy(fn(x)); }); }
function reduce(fn, init, coll) {
var acc = init;
for (var i = 0; i < coll.length; i++) acc = fn(acc, coll[i]);
return acc;
}
function some(fn, coll) {
for (var i = 0; i < coll.length; i++) { var r = fn(coll[i]); if (isSxTruthy(r)) return r; }
return NIL;
}
function forEach(fn, coll) { for (var i = 0; i < coll.length; i++) fn(coll[i]); return NIL; }
function isEvery(fn, coll) {
for (var i = 0; i < coll.length; i++) { if (!isSxTruthy(fn(coll[i]))) return false; }
return true;
}
function mapDict(fn, d) { var r = {}; for (var k in d) r[k] = fn(k, d[k]); return r; }
// List primitives used directly by transpiled code
var len = PRIMITIVES["len"];
var first = PRIMITIVES["first"];
var last = PRIMITIVES["last"];
var rest = PRIMITIVES["rest"];
var nth = PRIMITIVES["nth"];
var cons = PRIMITIVES["cons"];
var append = PRIMITIVES["append"];
var isEmpty = PRIMITIVES["empty?"];
var contains = PRIMITIVES["contains?"];
var startsWith = PRIMITIVES["starts-with?"];
var slice = PRIMITIVES["slice"];
var concat = PRIMITIVES["concat"];
var str = PRIMITIVES["str"];
var join = PRIMITIVES["join"];
var keys = PRIMITIVES["keys"];
var get = PRIMITIVES["get"];
var assoc = PRIMITIVES["assoc"];
var range = PRIMITIVES["range"];
function zip(a, b) { var r = []; for (var i = 0; i < Math.min(a.length, b.length); i++) r.push([a[i], b[i]]); return r; }
function append_b(arr, x) { arr.push(x); return arr; }
var apply = function(f, args) { return f.apply(null, args); };
// Additional primitive aliases used by adapter/engine transpiled code
var split = PRIMITIVES["split"];
var trim = PRIMITIVES["trim"];
var upper = PRIMITIVES["upper"];
var lower = PRIMITIVES["lower"];
var replace_ = function(s, old, nw) { return s.split(old).join(nw); };
var endsWith = PRIMITIVES["ends-with?"];
var parseInt_ = PRIMITIVES["parse-int"];
var dict_fn = PRIMITIVES["dict"];
// HTML rendering helpers
function escapeHtml(s) {
return String(s).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;");
}
function escapeAttr(s) { return escapeHtml(s); }
function rawHtmlContent(r) { return r.html; }
function makeRawHtml(s) { return { _raw: true, html: s }; }
// Serializer
function serialize(val) {
if (isNil(val)) return "nil";
if (typeof val === "boolean") return val ? "true" : "false";
if (typeof val === "number") return String(val);
if (typeof val === "string") return '"' + val.replace(/\\/g, "\\\\").replace(/"/g, '\\"') + '"';
if (isSym(val)) return val.name;
if (isKw(val)) return ":" + val.name;
if (Array.isArray(val)) return "(" + val.map(serialize).join(" ") + ")";
return String(val);
}
function isSpecialForm(n) { return n in {
"if":1,"when":1,"cond":1,"case":1,"and":1,"or":1,"let":1,"let*":1,
"lambda":1,"fn":1,"define":1,"defcomp":1,"defmacro":1,"defstyle":1,
"defkeyframes":1,"defhandler":1,"begin":1,"do":1,
"quote":1,"quasiquote":1,"->":1,"set!":1
}; }
function isHoForm(n) { return n in {
"map":1,"map-indexed":1,"filter":1,"reduce":1,"some":1,"every?":1,"for-each":1
}; }
// processBindings and evalCond — exposed for DOM adapter render forms
function processBindings(bindings, env) {
var local = merge(env);
for (var i = 0; i < bindings.length; i++) {
var pair = bindings[i];
if (Array.isArray(pair) && pair.length >= 2) {
var name = isSym(pair[0]) ? pair[0].name : String(pair[0]);
local[name] = trampoline(evalExpr(pair[1], local));
}
}
return local;
}
function evalCond(clauses, env) {
for (var i = 0; i < clauses.length; i += 2) {
var test = clauses[i];
if (isSym(test) && test.name === ":else") return clauses[i + 1];
if (isKw(test) && test.name === "else") return clauses[i + 1];
if (isSxTruthy(trampoline(evalExpr(test, env)))) return clauses[i + 1];
}
return null;
}
function isDefinitionForm(name) {
return name === "define" || name === "defcomp" || name === "defmacro" ||
name === "defstyle" || name === "defkeyframes" || name === "defhandler";
}
function indexOf_(s, ch) {
return typeof s === "string" ? s.indexOf(ch) : -1;
}
function dictHas(d, k) { return d != null && k in d; }
function dictDelete(d, k) { delete d[k]; }
function forEachIndexed(fn, coll) {
for (var i = 0; i < coll.length; i++) fn(i, coll[i]);
return NIL;
}
// === Transpiled from eval ===
// trampoline
var trampoline = function(val) { return (function() {
var result = val;
return (isSxTruthy(isThunk(result)) ? trampoline(evalExpr(thunkExpr(result), thunkEnv(result))) : result);
})(); };
// eval-expr
var evalExpr = function(expr, env) { return (function() { var _m = typeOf(expr); if (_m == "number") return expr; if (_m == "string") return expr; if (_m == "boolean") return expr; if (_m == "nil") return NIL; if (_m == "symbol") return (function() {
var name = symbolName(expr);
return (isSxTruthy(envHas(env, name)) ? envGet(env, name) : (isSxTruthy(isPrimitive(name)) ? getPrimitive(name) : (isSxTruthy((name == "true")) ? true : (isSxTruthy((name == "false")) ? false : (isSxTruthy((name == "nil")) ? NIL : error((String("Undefined symbol: ") + String(name))))))));
})(); if (_m == "keyword") return keywordName(expr); if (_m == "dict") return mapDict(function(k, v) { return trampoline(evalExpr(v, env)); }, expr); if (_m == "list") return (isSxTruthy(isEmpty(expr)) ? [] : evalList(expr, env)); return expr; })(); };
// eval-list
var evalList = function(expr, env) { return (function() {
var head = first(expr);
var args = rest(expr);
return (isSxTruthy(!sxOr((typeOf(head) == "symbol"), (typeOf(head) == "lambda"), (typeOf(head) == "list"))) ? map(function(x) { return trampoline(evalExpr(x, env)); }, expr) : (isSxTruthy((typeOf(head) == "symbol")) ? (function() {
var name = symbolName(head);
return (isSxTruthy((name == "if")) ? sfIf(args, env) : (isSxTruthy((name == "when")) ? sfWhen(args, env) : (isSxTruthy((name == "cond")) ? sfCond(args, env) : (isSxTruthy((name == "case")) ? sfCase(args, env) : (isSxTruthy((name == "and")) ? sfAnd(args, env) : (isSxTruthy((name == "or")) ? sfOr(args, env) : (isSxTruthy((name == "let")) ? sfLet(args, env) : (isSxTruthy((name == "let*")) ? sfLet(args, env) : (isSxTruthy((name == "lambda")) ? sfLambda(args, env) : (isSxTruthy((name == "fn")) ? sfLambda(args, env) : (isSxTruthy((name == "define")) ? sfDefine(args, env) : (isSxTruthy((name == "defcomp")) ? sfDefcomp(args, env) : (isSxTruthy((name == "defmacro")) ? sfDefmacro(args, env) : (isSxTruthy((name == "defstyle")) ? sfDefstyle(args, env) : (isSxTruthy((name == "defkeyframes")) ? sfDefkeyframes(args, env) : (isSxTruthy((name == "defhandler")) ? sfDefhandler(args, env) : (isSxTruthy((name == "defpage")) ? sfDefpage(args, env) : (isSxTruthy((name == "defquery")) ? sfDefquery(args, env) : (isSxTruthy((name == "defaction")) ? sfDefaction(args, env) : (isSxTruthy((name == "begin")) ? sfBegin(args, env) : (isSxTruthy((name == "do")) ? sfBegin(args, env) : (isSxTruthy((name == "quote")) ? sfQuote(args, env) : (isSxTruthy((name == "quasiquote")) ? sfQuasiquote(args, env) : (isSxTruthy((name == "->")) ? sfThreadFirst(args, env) : (isSxTruthy((name == "set!")) ? sfSetBang(args, env) : (isSxTruthy((name == "map")) ? hoMap(args, env) : (isSxTruthy((name == "map-indexed")) ? hoMapIndexed(args, env) : (isSxTruthy((name == "filter")) ? hoFilter(args, env) : (isSxTruthy((name == "reduce")) ? hoReduce(args, env) : (isSxTruthy((name == "some")) ? hoSome(args, env) : (isSxTruthy((name == "every?")) ? hoEvery(args, env) : (isSxTruthy((name == "for-each")) ? hoForEach(args, env) : (isSxTruthy((isSxTruthy(envHas(env, name)) && isMacro(envGet(env, name)))) ? (function() {
var mac = envGet(env, name);
return makeThunk(expandMacro(mac, args, env), env);
})() : (isSxTruthy(isRenderExpr(expr)) ? renderExpr(expr, env) : evalCall(head, args, env)))))))))))))))))))))))))))))))))));
})() : evalCall(head, args, env)));
})(); };
// eval-call
var evalCall = function(head, args, env) { return (function() {
var f = trampoline(evalExpr(head, env));
var evaluatedArgs = map(function(a) { return trampoline(evalExpr(a, env)); }, args);
return (isSxTruthy((isSxTruthy(isCallable(f)) && isSxTruthy(!isLambda(f)) && !isComponent(f))) ? apply(f, evaluatedArgs) : (isSxTruthy(isLambda(f)) ? callLambda(f, evaluatedArgs, env) : (isSxTruthy(isComponent(f)) ? callComponent(f, args, env) : error((String("Not callable: ") + String(inspect(f)))))));
})(); };
// call-lambda
var callLambda = function(f, args, callerEnv) { return (function() {
var params = lambdaParams(f);
var local = envMerge(lambdaClosure(f), callerEnv);
return (isSxTruthy((len(args) != len(params))) ? error((String(sxOr(lambdaName(f), "lambda")) + String(" expects ") + String(len(params)) + String(" args, got ") + String(len(args)))) : (forEach(function(pair) { return envSet(local, first(pair), nth(pair, 1)); }, zip(params, args)), makeThunk(lambdaBody(f), local)));
})(); };
// call-component
var callComponent = function(comp, rawArgs, env) { return (function() {
var parsed = parseKeywordArgs(rawArgs, env);
var kwargs = first(parsed);
var children = nth(parsed, 1);
var local = envMerge(componentClosure(comp), env);
{ var _c = componentParams(comp); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = sxOr(dictGet(kwargs, p), NIL); } }
if (isSxTruthy(componentHasChildren(comp))) {
local["children"] = children;
}
return makeThunk(componentBody(comp), local);
})(); };
// parse-keyword-args
var parseKeywordArgs = function(rawArgs, env) { return (function() {
var kwargs = {};
var children = [];
var i = 0;
reduce(function(state, arg) { return (function() {
var idx = get(state, "i");
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (idx + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((idx + 1) < len(rawArgs)))) ? (dictSet(kwargs, keywordName(arg), trampoline(evalExpr(nth(rawArgs, (idx + 1)), env))), assoc(state, "skip", true, "i", (idx + 1))) : (append_b(children, trampoline(evalExpr(arg, env))), assoc(state, "i", (idx + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, rawArgs);
return [kwargs, children];
})(); };
// sf-if
var sfIf = function(args, env) { return (function() {
var condition = trampoline(evalExpr(first(args), env));
return (isSxTruthy((isSxTruthy(condition) && !isNil(condition))) ? makeThunk(nth(args, 1), env) : (isSxTruthy((len(args) > 2)) ? makeThunk(nth(args, 2), env) : NIL));
})(); };
// sf-when
var sfWhen = function(args, env) { return (function() {
var condition = trampoline(evalExpr(first(args), env));
return (isSxTruthy((isSxTruthy(condition) && !isNil(condition))) ? (forEach(function(e) { return trampoline(evalExpr(e, env)); }, slice(args, 1, (len(args) - 1))), makeThunk(last(args), env)) : NIL);
})(); };
// sf-cond
var sfCond = function(args, env) { return (isSxTruthy((isSxTruthy((typeOf(first(args)) == "list")) && (len(first(args)) == 2))) ? sfCondScheme(args, env) : sfCondClojure(args, env)); };
// sf-cond-scheme
var sfCondScheme = function(clauses, env) { return (isSxTruthy(isEmpty(clauses)) ? NIL : (function() {
var clause = first(clauses);
var test = first(clause);
var body = nth(clause, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))), (isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")))) ? makeThunk(body, env) : (isSxTruthy(trampoline(evalExpr(test, env))) ? makeThunk(body, env) : sfCondScheme(rest(clauses), env)));
})()); };
// sf-cond-clojure
var sfCondClojure = function(clauses, env) { return (isSxTruthy((len(clauses) < 2)) ? NIL : (function() {
var test = first(clauses);
var body = nth(clauses, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")), (isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))))) ? makeThunk(body, env) : (isSxTruthy(trampoline(evalExpr(test, env))) ? makeThunk(body, env) : sfCondClojure(slice(clauses, 2), env)));
})()); };
// sf-case
var sfCase = function(args, env) { return (function() {
var matchVal = trampoline(evalExpr(first(args), env));
var clauses = rest(args);
return sfCaseLoop(matchVal, clauses, env);
})(); };
// sf-case-loop
var sfCaseLoop = function(matchVal, clauses, env) { return (isSxTruthy((len(clauses) < 2)) ? NIL : (function() {
var test = first(clauses);
var body = nth(clauses, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")), (isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))))) ? makeThunk(body, env) : (isSxTruthy((matchVal == trampoline(evalExpr(test, env)))) ? makeThunk(body, env) : sfCaseLoop(matchVal, slice(clauses, 2), env)));
})()); };
// sf-and
var sfAnd = function(args, env) { return (isSxTruthy(isEmpty(args)) ? true : (function() {
var val = trampoline(evalExpr(first(args), env));
return (isSxTruthy(!val) ? val : (isSxTruthy((len(args) == 1)) ? val : sfAnd(rest(args), env)));
})()); };
// sf-or
var sfOr = function(args, env) { return (isSxTruthy(isEmpty(args)) ? false : (function() {
var val = trampoline(evalExpr(first(args), env));
return (isSxTruthy(val) ? val : sfOr(rest(args), env));
})()); };
// sf-let
var sfLet = function(args, env) { return (function() {
var bindings = first(args);
var body = rest(args);
var local = envExtend(env);
(isSxTruthy((isSxTruthy((typeOf(first(bindings)) == "list")) && (len(first(bindings)) == 2))) ? forEach(function(binding) { return (function() {
var vname = (isSxTruthy((typeOf(first(binding)) == "symbol")) ? symbolName(first(binding)) : first(binding));
return envSet(local, vname, trampoline(evalExpr(nth(binding, 1), local)));
})(); }, bindings) : (function() {
var i = 0;
return reduce(function(acc, pairIdx) { return (function() {
var vname = (isSxTruthy((typeOf(nth(bindings, (pairIdx * 2))) == "symbol")) ? symbolName(nth(bindings, (pairIdx * 2))) : nth(bindings, (pairIdx * 2)));
var valExpr = nth(bindings, ((pairIdx * 2) + 1));
return envSet(local, vname, trampoline(evalExpr(valExpr, local)));
})(); }, NIL, range(0, (len(bindings) / 2)));
})());
{ var _c = slice(body, 0, (len(body) - 1)); for (var _i = 0; _i < _c.length; _i++) { var e = _c[_i]; trampoline(evalExpr(e, local)); } }
return makeThunk(last(body), local);
})(); };
// sf-lambda
var sfLambda = function(args, env) { return (function() {
var paramsExpr = first(args);
var body = nth(args, 1);
var paramNames = map(function(p) { return (isSxTruthy((typeOf(p) == "symbol")) ? symbolName(p) : p); }, paramsExpr);
return makeLambda(paramNames, body, env);
})(); };
// sf-define
var sfDefine = function(args, env) { return (function() {
var nameSym = first(args);
var value = trampoline(evalExpr(nth(args, 1), env));
if (isSxTruthy((isSxTruthy(isLambda(value)) && isNil(lambdaName(value))))) {
value.name = symbolName(nameSym);
}
env[symbolName(nameSym)] = value;
return value;
})(); };
// sf-defcomp
var sfDefcomp = function(args, env) { return (function() {
var nameSym = first(args);
var paramsRaw = nth(args, 1);
var body = nth(args, 2);
var compName = stripPrefix(symbolName(nameSym), "~");
var parsed = parseCompParams(paramsRaw);
var params = first(parsed);
var hasChildren = nth(parsed, 1);
return (function() {
var comp = makeComponent(compName, params, hasChildren, body, env);
env[symbolName(nameSym)] = comp;
return comp;
})();
})(); };
// parse-comp-params
var parseCompParams = function(paramsExpr) { return (function() {
var params = [];
var hasChildren = false;
var inKey = false;
{ var _c = paramsExpr; for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; if (isSxTruthy((typeOf(p) == "symbol"))) {
(function() {
var name = symbolName(p);
return (isSxTruthy((name == "&key")) ? (inKey = true) : (isSxTruthy((name == "&rest")) ? (hasChildren = true) : (isSxTruthy((name == "&children")) ? (hasChildren = true) : (isSxTruthy(hasChildren) ? NIL : (isSxTruthy(inKey) ? append_b(params, name) : append_b(params, name))))));
})();
} } }
return [params, hasChildren];
})(); };
// sf-defmacro
var sfDefmacro = function(args, env) { return (function() {
var nameSym = first(args);
var paramsRaw = nth(args, 1);
var body = nth(args, 2);
var parsed = parseMacroParams(paramsRaw);
var params = first(parsed);
var restParam = nth(parsed, 1);
return (function() {
var mac = makeMacro(params, restParam, body, env, symbolName(nameSym));
env[symbolName(nameSym)] = mac;
return mac;
})();
})(); };
// parse-macro-params
var parseMacroParams = function(paramsExpr) { return (function() {
var params = [];
var restParam = NIL;
reduce(function(state, p) { return (isSxTruthy((isSxTruthy((typeOf(p) == "symbol")) && (symbolName(p) == "&rest"))) ? assoc(state, "in-rest", true) : (isSxTruthy(get(state, "in-rest")) ? ((restParam = (isSxTruthy((typeOf(p) == "symbol")) ? symbolName(p) : p)), state) : (append_b(params, (isSxTruthy((typeOf(p) == "symbol")) ? symbolName(p) : p)), state))); }, {["in-rest"]: false}, paramsExpr);
return [params, restParam];
})(); };
// sf-defstyle
var sfDefstyle = function(args, env) { return (function() {
var nameSym = first(args);
var value = trampoline(evalExpr(nth(args, 1), env));
env[symbolName(nameSym)] = value;
return value;
})(); };
// sf-defkeyframes
var sfDefkeyframes = function(args, env) { return (function() {
var kfName = symbolName(first(args));
var steps = rest(args);
return buildKeyframes(kfName, steps, env);
})(); };
// sf-begin
var sfBegin = function(args, env) { return (isSxTruthy(isEmpty(args)) ? NIL : (forEach(function(e) { return trampoline(evalExpr(e, env)); }, slice(args, 0, (len(args) - 1))), makeThunk(last(args), env))); };
// sf-quote
var sfQuote = function(args, env) { return (isSxTruthy(isEmpty(args)) ? NIL : first(args)); };
// sf-quasiquote
var sfQuasiquote = function(args, env) { return qqExpand(first(args), env); };
// qq-expand
var qqExpand = function(template, env) { return (isSxTruthy(!(typeOf(template) == "list")) ? template : (isSxTruthy(isEmpty(template)) ? [] : (function() {
var head = first(template);
return (isSxTruthy((isSxTruthy((typeOf(head) == "symbol")) && (symbolName(head) == "unquote"))) ? trampoline(evalExpr(nth(template, 1), env)) : reduce(function(result, item) { return (isSxTruthy((isSxTruthy((typeOf(item) == "list")) && isSxTruthy((len(item) == 2)) && isSxTruthy((typeOf(first(item)) == "symbol")) && (symbolName(first(item)) == "splice-unquote"))) ? (function() {
var spliced = trampoline(evalExpr(nth(item, 1), env));
return (isSxTruthy((typeOf(spliced) == "list")) ? concat(result, spliced) : (isSxTruthy(isNil(spliced)) ? result : append(result, spliced)));
})() : append(result, qqExpand(item, env))); }, [], template));
})())); };
// sf-thread-first
var sfThreadFirst = function(args, env) { return (function() {
var val = trampoline(evalExpr(first(args), env));
return reduce(function(result, form) { return (isSxTruthy((typeOf(form) == "list")) ? (function() {
var f = trampoline(evalExpr(first(form), env));
var restArgs = map(function(a) { return trampoline(evalExpr(a, env)); }, rest(form));
var allArgs = cons(result, restArgs);
return (isSxTruthy((isSxTruthy(isCallable(f)) && !isLambda(f))) ? apply(f, allArgs) : (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, allArgs, env)) : error((String("-> form not callable: ") + String(inspect(f))))));
})() : (function() {
var f = trampoline(evalExpr(form, env));
return (isSxTruthy((isSxTruthy(isCallable(f)) && !isLambda(f))) ? f(result) : (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, [result], env)) : error((String("-> form not callable: ") + String(inspect(f))))));
})()); }, val, rest(args));
})(); };
// sf-set!
var sfSetBang = function(args, env) { return (function() {
var name = symbolName(first(args));
var value = trampoline(evalExpr(nth(args, 1), env));
env[name] = value;
return value;
})(); };
// expand-macro
var expandMacro = function(mac, rawArgs, env) { return (function() {
var local = envMerge(macroClosure(mac), env);
{ var _c = mapIndexed(function(i, p) { return [p, i]; }, macroParams(mac)); for (var _i = 0; _i < _c.length; _i++) { var pair = _c[_i]; local[first(pair)] = (isSxTruthy((nth(pair, 1) < len(rawArgs))) ? nth(rawArgs, nth(pair, 1)) : NIL); } }
if (isSxTruthy(macroRestParam(mac))) {
local[macroRestParam(mac)] = slice(rawArgs, len(macroParams(mac)));
}
return trampoline(evalExpr(macroBody(mac), local));
})(); };
// call-fn
var callFn = function(f, args, env) { return (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, args, env)) : (isSxTruthy(isCallable(f)) ? apply(f, args) : error((String("Not callable in HO form: ") + String(inspect(f)))))); };
// ho-map
var hoMap = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return map(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-map-indexed
var hoMapIndexed = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return mapIndexed(function(i, item) { return callFn(f, [i, item], env); }, coll);
})(); };
// ho-filter
var hoFilter = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return filter(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-reduce
var hoReduce = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var init = trampoline(evalExpr(nth(args, 1), env));
var coll = trampoline(evalExpr(nth(args, 2), env));
return reduce(function(acc, item) { return callFn(f, [acc, item], env); }, init, coll);
})(); };
// ho-some
var hoSome = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return some(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-every
var hoEvery = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return isEvery(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-for-each
var hoForEach = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return forEach(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// === Transpiled from render (core) ===
// HTML_TAGS
var 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
var VOID_ELEMENTS = ["area", "base", "br", "col", "embed", "hr", "img", "input", "link", "meta", "param", "source", "track", "wbr"];
// BOOLEAN_ATTRS
var 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?
var isDefinitionForm = function(name) { return sxOr((name == "define"), (name == "defcomp"), (name == "defmacro"), (name == "defstyle"), (name == "defkeyframes"), (name == "defhandler")); };
// parse-element-args
var parseElementArgs = function(args, env) { return (function() {
var attrs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
attrs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return [attrs, children];
})(); };
// render-attrs
var renderAttrs = function(attrs) { return join("", map(function(key) { return (function() {
var val = dictGet(attrs, key);
return (isSxTruthy((isSxTruthy(contains(BOOLEAN_ATTRS, key)) && val)) ? (String(" ") + String(key)) : (isSxTruthy((isSxTruthy(contains(BOOLEAN_ATTRS, key)) && !val)) ? "" : (isSxTruthy(isNil(val)) ? "" : (isSxTruthy((isSxTruthy((key == "style")) && isStyleValue(val))) ? (String(" class=\"") + String(styleValueClass(val)) + String("\"")) : (String(" ") + String(key) + String("=\"") + String(escapeAttr((String(val)))) + String("\""))))));
})(); }, keys(attrs))); };
// === Transpiled from adapter-dom ===
// SVG_NS
var SVG_NS = "http://www.w3.org/2000/svg";
// MATH_NS
var MATH_NS = "http://www.w3.org/1998/Math/MathML";
// render-to-dom
var renderToDom = function(expr, env, ns) { return (function() { var _m = typeOf(expr); if (_m == "nil") return createFragment(); if (_m == "boolean") return createFragment(); if (_m == "raw-html") return domParseHtml(rawHtmlContent(expr)); if (_m == "string") return createTextNode(expr); if (_m == "number") return createTextNode((String(expr))); if (_m == "symbol") return renderToDom(trampoline(evalExpr(expr, env)), env, ns); if (_m == "keyword") return createTextNode(keywordName(expr)); if (_m == "dom-node") return expr; if (_m == "dict") return createFragment(); if (_m == "list") return (isSxTruthy(isEmpty(expr)) ? createFragment() : renderDomList(expr, env, ns)); if (_m == "style-value") return createTextNode(styleValueClass(expr)); return createTextNode((String(expr))); })(); };
// render-dom-list
var renderDomList = function(expr, env, ns) { return (function() {
var head = first(expr);
return (isSxTruthy((typeOf(head) == "symbol")) ? (function() {
var name = symbolName(head);
var args = rest(expr);
return (isSxTruthy((name == "raw!")) ? renderDomRaw(args, env) : (isSxTruthy((name == "<>")) ? renderDomFragment(args, env, ns) : (isSxTruthy(startsWith(name, "html:")) ? renderDomElement(slice(name, 5), args, env, ns) : (isSxTruthy(isRenderDomForm(name)) ? (isSxTruthy((isSxTruthy(contains(HTML_TAGS, name)) && sxOr((isSxTruthy((len(args) > 0)) && (typeOf(first(args)) == "keyword")), ns))) ? renderDomElement(name, args, env, ns) : dispatchRenderForm(name, expr, env, ns)) : (isSxTruthy((isSxTruthy(envHas(env, name)) && isMacro(envGet(env, name)))) ? renderToDom(expandMacro(envGet(env, name), args, env), env, ns) : (isSxTruthy(contains(HTML_TAGS, name)) ? renderDomElement(name, args, env, ns) : (isSxTruthy(startsWith(name, "~")) ? (function() {
var comp = envGet(env, name);
return (isSxTruthy(isComponent(comp)) ? renderDomComponent(comp, args, env, ns) : renderDomUnknownComponent(name));
})() : (isSxTruthy((isSxTruthy((indexOf_(name, "-") > 0)) && isSxTruthy((len(args) > 0)) && (typeOf(first(args)) == "keyword"))) ? renderDomElement(name, args, env, ns) : (isSxTruthy(ns) ? renderDomElement(name, args, env, ns) : renderToDom(trampoline(evalExpr(expr, env)), env, ns))))))))));
})() : (isSxTruthy(sxOr(isLambda(head), (typeOf(head) == "list"))) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (function() {
var frag = createFragment();
{ var _c = expr; for (var _i = 0; _i < _c.length; _i++) { var x = _c[_i]; domAppend(frag, renderToDom(x, env, ns)); } }
return frag;
})()));
})(); };
// render-dom-element
var renderDomElement = function(tag, args, env, ns) { return (function() {
var newNs = (isSxTruthy((tag == "svg")) ? SVG_NS : (isSxTruthy((tag == "math")) ? MATH_NS : ns));
var el = domCreateElement(tag, newNs);
var extraClass = NIL;
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var attrName = keywordName(arg);
var attrVal = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
(isSxTruthy(sxOr(isNil(attrVal), (attrVal == false))) ? NIL : (isSxTruthy((isSxTruthy((attrName == "style")) && isStyleValue(attrVal))) ? (extraClass = styleValueClass(attrVal)) : (isSxTruthy(contains(BOOLEAN_ATTRS, attrName)) ? (isSxTruthy(attrVal) ? domSetAttr(el, attrName, "") : NIL) : (isSxTruthy((attrVal == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(attrVal)))))));
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : ((isSxTruthy(!contains(VOID_ELEMENTS, tag)) ? domAppend(el, renderToDom(arg, env, newNs)) : NIL), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
if (isSxTruthy(extraClass)) {
(function() {
var existing = domGetAttr(el, "class");
return domSetAttr(el, "class", (isSxTruthy(existing) ? (String(existing) + String(" ") + String(extraClass)) : extraClass));
})();
}
return el;
})(); };
// render-dom-component
var renderDomComponent = function(comp, args, env, ns) { return (function() {
var kwargs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
kwargs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return (function() {
var local = envMerge(componentClosure(comp), env);
{ var _c = componentParams(comp); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = (isSxTruthy(dictHas(kwargs, p)) ? dictGet(kwargs, p) : NIL); } }
if (isSxTruthy(componentHasChildren(comp))) {
(function() {
var childFrag = createFragment();
{ var _c = children; for (var _i = 0; _i < _c.length; _i++) { var c = _c[_i]; domAppend(childFrag, renderToDom(c, env, ns)); } }
return envSet(local, "children", childFrag);
})();
}
return renderToDom(componentBody(comp), local, ns);
})();
})(); };
// render-dom-fragment
var renderDomFragment = function(args, env, ns) { return (function() {
var frag = createFragment();
{ var _c = args; for (var _i = 0; _i < _c.length; _i++) { var x = _c[_i]; domAppend(frag, renderToDom(x, env, ns)); } }
return frag;
})(); };
// render-dom-raw
var renderDomRaw = function(args, env) { return (function() {
var frag = createFragment();
{ var _c = args; for (var _i = 0; _i < _c.length; _i++) { var arg = _c[_i]; (function() {
var val = trampoline(evalExpr(arg, env));
return (isSxTruthy((typeOf(val) == "string")) ? domAppend(frag, domParseHtml(val)) : (isSxTruthy((typeOf(val) == "dom-node")) ? domAppend(frag, domClone(val)) : (isSxTruthy(!isNil(val)) ? domAppend(frag, createTextNode((String(val)))) : NIL)));
})(); } }
return frag;
})(); };
// render-dom-unknown-component
var renderDomUnknownComponent = function(name) { return (function() {
var el = domCreateElement("div", NIL);
domSetAttr(el, "style", "background:#fef2f2;border:1px solid #fca5a5;color:#991b1b;padding:4px 8px;margin:2px;border-radius:4px;font-size:12px;font-family:monospace");
domAppend(el, createTextNode((String("Unknown component: ") + String(name))));
return el;
})(); };
// RENDER_DOM_FORMS
var RENDER_DOM_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defmacro", "defstyle", "defkeyframes", "defhandler", "map", "map-indexed", "filter", "for-each"];
// render-dom-form?
var isRenderDomForm = function(name) { return contains(RENDER_DOM_FORMS, name); };
// dispatch-render-form
var dispatchRenderForm = function(name, expr, env, ns) { return (isSxTruthy((name == "if")) ? (function() {
var condVal = trampoline(evalExpr(nth(expr, 1), env));
return (isSxTruthy(condVal) ? renderToDom(nth(expr, 2), env, ns) : (isSxTruthy((len(expr) > 3)) ? renderToDom(nth(expr, 3), env, ns) : createFragment()));
})() : (isSxTruthy((name == "when")) ? (isSxTruthy(!trampoline(evalExpr(nth(expr, 1), env))) ? createFragment() : (function() {
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
return frag;
})()) : (isSxTruthy((name == "cond")) ? (function() {
var branch = evalCond(rest(expr), env);
return (isSxTruthy(branch) ? renderToDom(branch, env, ns) : createFragment());
})() : (isSxTruthy((name == "case")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy(sxOr((name == "let"), (name == "let*"))) ? (function() {
var local = processBindings(nth(expr, 1), env);
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), local, ns)); } }
return frag;
})() : (isSxTruthy(sxOr((name == "begin"), (name == "do"))) ? (function() {
var frag = createFragment();
{ var _c = range(1, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
return frag;
})() : (isSxTruthy(isDefinitionForm(name)) ? (trampoline(evalExpr(expr, env)), createFragment()) : (isSxTruthy((name == "map")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
{ var _c = coll; for (var _i = 0; _i < _c.length; _i++) { var item = _c[_i]; (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [item], env, ns) : renderToDom(apply(f, [item]), env, ns));
return domAppend(frag, val);
})(); } }
return frag;
})() : (isSxTruthy((name == "map-indexed")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
forEachIndexed(function(i, item) { return (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [i, item], env, ns) : renderToDom(apply(f, [i, item]), env, ns));
return domAppend(frag, val);
})(); }, coll);
return frag;
})() : (isSxTruthy((name == "filter")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy((name == "for-each")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
{ var _c = coll; for (var _i = 0; _i < _c.length; _i++) { var item = _c[_i]; (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [item], env, ns) : renderToDom(apply(f, [item]), env, ns));
return domAppend(frag, val);
})(); } }
return frag;
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns)))))))))))); };
// render-lambda-dom
var renderLambdaDom = function(f, args, env, ns) { return (function() {
var local = envMerge(lambdaClosure(f), env);
forEachIndexed(function(i, p) { return envSet(local, p, nth(args, i)); }, lambdaParams(f));
return renderToDom(lambdaBody(f), local, ns);
})(); };
// =========================================================================
// Platform interface — DOM adapter (browser-only)
// =========================================================================
var _hasDom = typeof document !== "undefined";
// Register DOM adapter as the render dispatch target for the evaluator.
_renderExprFn = function(expr, env) { return renderToDom(expr, env, null); };
var SVG_NS = "http://www.w3.org/2000/svg";
var MATH_NS = "http://www.w3.org/1998/Math/MathML";
function domCreateElement(tag, ns) {
if (!_hasDom) return null;
if (ns) return document.createElementNS(ns, tag);
return document.createElement(tag);
}
function createTextNode(s) {
return _hasDom ? document.createTextNode(s) : null;
}
function createFragment() {
return _hasDom ? document.createDocumentFragment() : null;
}
function domAppend(parent, child) {
if (parent && child) parent.appendChild(child);
}
function domPrepend(parent, child) {
if (parent && child) parent.insertBefore(child, parent.firstChild);
}
function domSetAttr(el, name, val) {
if (el && el.setAttribute) el.setAttribute(name, val);
}
function domGetAttr(el, name) {
if (!el || !el.getAttribute) return NIL;
var v = el.getAttribute(name);
return v === null ? NIL : v;
}
function domRemoveAttr(el, name) {
if (el && el.removeAttribute) el.removeAttribute(name);
}
function domHasAttr(el, name) {
return !!(el && el.hasAttribute && el.hasAttribute(name));
}
function domParseHtml(html) {
if (!_hasDom) return null;
var tpl = document.createElement("template");
tpl.innerHTML = html;
return tpl.content;
}
function domClone(node) {
return node && node.cloneNode ? node.cloneNode(true) : node;
}
function domParent(el) { return el ? el.parentNode : null; }
function domId(el) { return el && el.id ? el.id : NIL; }
function domNodeType(el) { return el ? el.nodeType : 0; }
function domNodeName(el) { return el ? el.nodeName : ""; }
function domTextContent(el) { return el ? el.textContent || el.nodeValue || "" : ""; }
function domSetTextContent(el, s) { if (el) { if (el.nodeType === 3 || el.nodeType === 8) el.nodeValue = s; else el.textContent = s; } }
function domIsFragment(el) { return el ? el.nodeType === 11 : false; }
function domIsChildOf(child, parent) { return !!(parent && child && child.parentNode === parent); }
function domIsActiveElement(el) { return _hasDom && el === document.activeElement; }
function domIsInputElement(el) {
if (!el || !el.tagName) return false;
var t = el.tagName;
return t === "INPUT" || t === "TEXTAREA" || t === "SELECT";
}
function domFirstChild(el) { return el ? el.firstChild : null; }
function domNextSibling(el) { return el ? el.nextSibling : null; }
function domChildList(el) {
if (!el || !el.childNodes) return [];
return Array.prototype.slice.call(el.childNodes);
}
function domAttrList(el) {
if (!el || !el.attributes) return [];
var r = [];
for (var i = 0; i < el.attributes.length; i++) {
r.push([el.attributes[i].name, el.attributes[i].value]);
}
return r;
}
function domInsertBefore(parent, node, ref) {
if (parent && node) parent.insertBefore(node, ref || null);
}
function domInsertAfter(ref, node) {
if (ref && ref.parentNode && node) {
ref.parentNode.insertBefore(node, ref.nextSibling);
}
}
function domRemoveChild(parent, child) {
if (parent && child && child.parentNode === parent) parent.removeChild(child);
}
function domReplaceChild(parent, newChild, oldChild) {
if (parent && newChild && oldChild) parent.replaceChild(newChild, oldChild);
}
function domSetInnerHtml(el, html) {
if (el) el.innerHTML = html;
}
function domInsertAdjacentHtml(el, pos, html) {
if (el && el.insertAdjacentHTML) el.insertAdjacentHTML(pos, html);
}
function domGetStyle(el, prop) {
return el && el.style ? el.style[prop] || "" : "";
}
function domSetStyle(el, prop, val) {
if (el && el.style) el.style[prop] = val;
}
function domGetProp(el, name) { return el ? el[name] : NIL; }
function domSetProp(el, name, val) { if (el) el[name] = val; }
function domAddClass(el, cls) {
if (el && el.classList) el.classList.add(cls);
}
function domRemoveClass(el, cls) {
if (el && el.classList) el.classList.remove(cls);
}
function domDispatch(el, name, detail) {
if (!_hasDom || !el) return false;
var evt = new CustomEvent(name, { bubbles: true, cancelable: true, detail: detail || {} });
return el.dispatchEvent(evt);
}
function domQuery(sel) {
return _hasDom ? document.querySelector(sel) : null;
}
function domQueryAll(root, sel) {
if (!root || !root.querySelectorAll) return [];
return Array.prototype.slice.call(root.querySelectorAll(sel));
}
function domTagName(el) { return el && el.tagName ? el.tagName : ""; }
// =========================================================================
// Post-transpilation fixups
// =========================================================================
// The reference spec's call-lambda only handles Lambda objects, but HO forms
// (map, reduce, etc.) may receive native primitives. Wrap to handle both.
var _rawCallLambda = callLambda;
callLambda = function(f, args, callerEnv) {
if (typeof f === "function") return f.apply(null, args);
return _rawCallLambda(f, args, callerEnv);
};
// Expose render functions as primitives so SX code can call them
if (typeof renderToDom === "function") PRIMITIVES["render-to-dom"] = renderToDom;
// Minimal fallback parser (no parser adapter)
function parse(text) {
throw new Error("Parser adapter not included — cannot parse SX source at runtime");
}
// =========================================================================
// Public API
// =========================================================================
var componentEnv = {};
function loadComponents(source) {
var exprs = parse(source);
for (var i = 0; i < exprs.length; i++) {
trampoline(evalExpr(exprs[i], componentEnv));
}
}
function render(source) {
var exprs = parse(source);
var frag = document.createDocumentFragment();
for (var i = 0; i < exprs.length; i++) frag.appendChild(renderToDom(exprs[i], merge(componentEnv), null));
return frag;
}
var Sx = {
VERSION: "ref-2.0",
parse: parse,
parseAll: parse,
eval: function(expr, env) { return trampoline(evalExpr(expr, env || merge(componentEnv))); },
loadComponents: loadComponents,
render: render,
serialize: serialize,
NIL: NIL,
Symbol: Symbol,
Keyword: Keyword,
isTruthy: isSxTruthy,
isNil: isNil,
componentEnv: componentEnv,
renderToDom: _hasDom ? function(expr, env, ns) { return renderToDom(expr, env || merge(componentEnv), ns || null); } : null,
_version: "ref-2.0 (dom, bootstrap-compiled)"
};
if (typeof module !== "undefined" && module.exports) module.exports = Sx;
else global.Sx = Sx;
})(typeof globalThis !== "undefined" ? globalThis : typeof window !== "undefined" ? window : this);