iwa-inspector/misc/dump_registry.ts

#!/usr/bin/env -S deno run -A
/*! dump_registry.ts (C) 2022-present SheetJS LLC -- https://sheetjs.com */

/*
NOTE: this script requires a SIP-disabled Mac, Numbers, LLDB, and Deno

USAGE: deno run -A https://oss.sheetjs.com/notes/iwa/dump_registry.ts
*/

if(Deno.build.os != "darwin") throw `Must run in macOS!`;

const arch_map = {
	"x86_64": "x86_64",
	"aarch64": "arm64"
};

if(!arch_map[Deno.build.arch]) throw `Unsupported architecture ${Deno.build.arch}`;

const cmd = Deno?.args?.[0] || "/Applications/Numbers.app/Contents/MacOS/Numbers";
try { Deno.statSync(cmd); } catch(e) { throw `Could not find ${cmd}!`; }

/* test if SIP is disabled */
{
	const p = Deno.run({cmd:["csrutil","status"],stdin:"piped",stdout:"piped" });
	const [status, stdout] = await Promise.all([ p.status(), p.output() ]);
	await p.close();
	const data = new TextDecoder().decode(stdout);
	if(!data.includes("disabled")) throw `SIP must be disabled!`;
}

/* start debugger */
const p = Deno.run({ cmd: `lldb ${cmd} -a ${arch_map[Deno.build.arch]}`.split(" "), stdin: "piped", stdout: "piped" });

/* run commands */
const doit = (x: string) => p?.stdin?.write(new TextEncoder().encode(x))

const cmds = [
	"b -[NSApplication _sendFinishLaunchingNotification]",
	"settings set auto-confirm 1",
	"breakpoint command add 1.1",
		"po [TSPRegistry sharedRegistry]",
		"process kill",
		"exit",
		"DONE",
	"run",
];
for(const cmd of cmds) await doit(cmd + "\n");

/* LLDB does not exit normally, setTimeout workaround */
setTimeout(() => p.kill("SIGKILL"), 30000)

/* wait for debugger */
const [status, stdout] = await Promise.all([ p.status(), p.output() ]);
await p.close();

/* search for _messageTypeToPrototypeMap */
const data = new TextDecoder().decode(stdout);
const res = data.match(/_messageTypeToPrototypeMap = {([^]*?)}/m)?.[1];
if(!res) throw `Could not find map!`;

/* extract records and sort by ID */
const rows = res.split(/[\r\n]+/).map(r => r.trim().split(/\s+/)).filter(x => x.length > 1);
rows.sort((l, r) => +l[0] - +r[0]);

/* emit code */
console.log(`export default {`);
rows.forEach(r => {
	/* setDeprecatedMessageType */
	if(r[3] == "null") return;
	console.log(`  ${r[0]}: ".${r[3]}",`);
});
console.log(`} as {[key: number]: string};`);