Add Freeze/Thaw page under CEK Machine with live demo
Some checks failed
Build and Deploy / build-and-deploy (push) Has been cancelled

Documents and demonstrates serializable CEK state. Type an expression,
step to any point, click Freeze to see the frozen SX. Click Thaw to
resume from the frozen state and get the result.

- New page at /sx/(geography.(cek.freeze))
- Nav entry under CEK Machine
- Interactive island demo with step/run/freeze/thaw buttons
- Documentation: the idea, freeze format, thaw/resume, what it enables

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-03-14 22:14:33 +00:00
parent b03c84b962
commit 999381a892
8 changed files with 201 additions and 20 deletions

View File

@@ -14,7 +14,7 @@
// =========================================================================
var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
var SX_VERSION = "2026-03-14T22:10:44Z";
var SX_VERSION = "2026-03-14T22:24:55Z";
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
@@ -352,6 +352,8 @@
PRIMITIVES["even?"] = function(n) { return n % 2 === 0; };
PRIMITIVES["zero?"] = function(n) { return n === 0; };
PRIMITIVES["boolean?"] = function(x) { return x === true || x === false; };
PRIMITIVES["symbol?"] = function(x) { return x != null && x._sym === true; };
PRIMITIVES["keyword?"] = function(x) { return x != null && x._kw === true; };
PRIMITIVES["component-affinity"] = componentAffinity;
@@ -525,7 +527,13 @@
function mapDict(fn, d) { var r = {}; for (var k in d) r[k] = fn(k, d[k]); return r; }
// Predicate aliases used by transpiled code
var isNumber = PRIMITIVES["number?"];
var isString = PRIMITIVES["string?"];
var isBoolean = PRIMITIVES["boolean?"];
var isDict = PRIMITIVES["dict?"];
var isList = PRIMITIVES["list?"];
var isKeyword = PRIMITIVES["keyword?"];
var isSymbol = PRIMITIVES["symbol?"];
// List primitives used directly by transpiled code
var len = PRIMITIVES["len"];
@@ -5295,7 +5303,7 @@ PRIMITIVES["trampoline-cek"] = trampolineCek;
PRIMITIVES["primitive-name"] = primitiveName;
// cek-serialize-value
var cekSerializeValue = function(val) { return (isSxTruthy(isNil(val)) ? NIL : (isSxTruthy(isNumber(val)) ? val : (isSxTruthy(isString(val)) ? val : (isSxTruthy((typeOf(val) == "boolean")) ? val : (isSxTruthy((typeOf(val) == "symbol")) ? val : (isSxTruthy((typeOf(val) == "keyword")) ? val : (isSxTruthy(isList(val)) ? map(cekSerializeValue, val) : (isSxTruthy(isLambda(val)) ? [makeSymbol("lambda"), lambdaParams(val), lambdaBody(val)] : (isSxTruthy(isCallable(val)) ? [makeSymbol("primitive"), sxOr(primitiveName(val), "?")] : (isSxTruthy(isDict(val)) ? cekSerializeEnv(val) : (String(val)))))))))))); };
var cekSerializeValue = function(val) { return (isSxTruthy(isNil(val)) ? NIL : (isSxTruthy(isNumber(val)) ? val : (isSxTruthy(isString(val)) ? val : (isSxTruthy(boolean_p(val)) ? val : (isSxTruthy(symbol_p(val)) ? val : (isSxTruthy(keyword_p(val)) ? val : (isSxTruthy(isList(val)) ? map(cekSerializeValue, val) : (isSxTruthy(isLambda(val)) ? [makeSymbol("lambda"), lambdaParams(val), lambdaBody(val)] : (isSxTruthy(isCallable(val)) ? [makeSymbol("primitive"), sxOr(primitiveName(val), "?")] : (isSxTruthy(isDict(val)) ? cekSerializeEnv(val) : (String(val)))))))))))); };
PRIMITIVES["cek-serialize-value"] = cekSerializeValue;
// cek-serialize-env
@@ -5324,7 +5332,7 @@ PRIMITIVES["cek-serialize-frame"] = cekSerializeFrame;
PRIMITIVES["cek-freeze"] = cekFreeze;
// cek-thaw-value
var cekThawValue = function(val) { return (isSxTruthy(isNil(val)) ? NIL : (isSxTruthy(isNumber(val)) ? val : (isSxTruthy(isString(val)) ? val : (isSxTruthy((typeOf(val) == "boolean")) ? val : (isSxTruthy((typeOf(val) == "symbol")) ? val : (isSxTruthy((typeOf(val) == "keyword")) ? val : (isSxTruthy((isSxTruthy(isList(val)) && isSxTruthy(!isSxTruthy(isEmpty(val))) && isSxTruthy((typeOf(first(val)) == "symbol")) && (symbolName(first(val)) == "primitive"))) ? getPrimitive(nth(val, 1)) : (isSxTruthy((isSxTruthy(isList(val)) && isSxTruthy(!isSxTruthy(isEmpty(val))) && isSxTruthy((typeOf(first(val)) == "symbol")) && (symbolName(first(val)) == "lambda"))) ? makeLambda(nth(val, 1), nth(val, 2), {}) : (isSxTruthy(isList(val)) ? map(cekThawValue, val) : (isSxTruthy(isDict(val)) ? cekThawEnv(val) : val)))))))))); };
var cekThawValue = function(val) { return (isSxTruthy(isNil(val)) ? NIL : (isSxTruthy(isNumber(val)) ? val : (isSxTruthy(isString(val)) ? val : (isSxTruthy(boolean_p(val)) ? val : (isSxTruthy(symbol_p(val)) ? val : (isSxTruthy(keyword_p(val)) ? val : (isSxTruthy((isSxTruthy(isList(val)) && isSxTruthy(!isSxTruthy(isEmpty(val))) && isSxTruthy(symbol_p(first(val))) && (symbolName(first(val)) == "primitive"))) ? getPrimitive(nth(val, 1)) : (isSxTruthy((isSxTruthy(isList(val)) && isSxTruthy(!isSxTruthy(isEmpty(val))) && isSxTruthy(symbol_p(first(val))) && (symbolName(first(val)) == "lambda"))) ? makeLambda(nth(val, 1), nth(val, 2), {}) : (isSxTruthy(isList(val)) ? map(cekThawValue, val) : (isSxTruthy(isDict(val)) ? cekThawEnv(val) : val)))))))))); };
PRIMITIVES["cek-thaw-value"] = cekThawValue;
// cek-thaw-env