From ecc350ca5c2eb50be8309c5f14f8bf0d87db9a02 Mon Sep 17 00:00:00 2001
From: Moon Flower <moonflower@elhenney.local>
Date: Mon, 12 Oct 2026 08:46:23 +0330
Subject: a

---
 src/web/index.html | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 src/web/index.html

(limited to 'src/web/index.html')

diff --git a/src/web/index.html b/src/web/index.html
new file mode 100644
index 0000000..4cf7476
--- /dev/null
+++ b/src/web/index.html
@@ -0,0 +1,60 @@
+<!doctype html>
+<html lang="en">
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>zc in the browser</title>
+<style>
+	:root { --bg: #fafaf7; --fg: #1d1d1b; --mute: #6b6b66; --line: #d9d9d2; --accent: #2f5d50; --box: #fff; }
+	@media (prefers-color-scheme: dark) { :root { --bg: #161614; --fg: #e8e8e2; --mute: #9a9a92; --line: #33332f; --accent: #7fb5a3; --box: #1d1d1a; } }
+	* { box-sizing: border-box; }
+	body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 system-ui, sans-serif; }
+	main { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; }
+	h1 { font-size: 1.3rem; margin: 0 0 4px; }
+	p { color: var(--mute); margin: 0 0 16px; }
+	.bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
+	select, button { font: inherit; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--box); color: var(--fg); }
+	button { background: var(--accent); color: var(--bg); border-color: var(--accent); cursor: pointer; }
+	textarea, pre { width: 100%; font: 13px/1.45 ui-monospace, Menlo, Consolas, monospace; border: 1px solid var(--line); border-radius: 6px; background: var(--box); color: var(--fg); padding: 12px; margin: 0; tab-size: 4; }
+	textarea { height: 340px; resize: vertical; }
+	pre { min-height: 120px; white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 12px; }
+	small { color: var(--mute); }
+</style>
+<main>
+	<h1>zc in the browser</h1>
+	<p>the microcore compiled to webassembly, with the whole compiler inside. the program below is compiled and run by it, the same as <code>zy &lt; file.zc</code>.</p>
+	<div class="bar">
+		<select id="ex"></select>
+		<button id="run">run</button>
+		<small id="status">loading</small>
+	</div>
+	<textarea id="src" spellcheck="false">fn main() {
+	put_s("hello from the browser\n");
+	return 0;
+}
+</textarea>
+	<pre id="out" aria-live="polite"></pre>
+</main>
+<script src="zc.js"></script>
+<script>
+	const $ = id => document.getElementById(id);
+	const examples = ['hello', 'fact', 'primes', 'mandel', 'lists', 'typed', 'lang', 'struct_closure_opt', 'opt_test'];
+	let machine = null;
+	for (const n of examples) { const o = document.createElement('option'); o.value = n; o.textContent = n + '.zc'; $('ex').appendChild(o); }
+	$('ex').onchange = async () => {
+		try { $('src').value = await (await fetch('../examples/' + $('ex').value + '.zc')).text(); }
+		catch (e) { $('out').textContent = 'the examples folder is not served next to this page'; }
+	};
+	$('run').onclick = async () => {
+		if (!machine) return;
+		$('status').textContent = 'running';
+		const t = performance.now();
+		try {
+			const r = await machine.run($('src').value);
+			$('out').textContent = r.output + (r.messages ? '\n' + r.messages : '');
+			$('status').textContent = 'done in ' + Math.round(performance.now() - t) + ' ms';
+		} catch (e) { $('out').textContent = String(e); $('status').textContent = 'failed'; }
+	};
+	ZC.load('zc.wasm').then(m => { machine = m; $('status').textContent = 'ready'; })
+		.catch(e => { $('status').textContent = 'could not load zc.wasm; run src/web/build.sh and serve this folder over http'; });
+</script>
+</html>
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