gbuoy/lib/main.ts

import { promises } from "fs"
import { compile } from "./compile"

const { readFile } = promises

if (process.argv.length !== 3) {
    console.error("usage: gbuoy <program.b>")
    process.exit(1)
}

const fileName = process.argv[2]
readFile(fileName, { encoding: "utf-8" }).then(source => {
    const output = compile(source)
    console.log(output)
})