Initial commit (import old repo)HEADmain

1 files changed, 60 insertions, 0 deletions

diff --git a/main.ha b/main.ha
new file mode 100644
index 0000000..0b1737c
--- /dev/null
+++ b/main.ha
@@ -0,0 +1,60 @@
+use fmt;
+use getopt;
+use io;
+use net::dial;
+use os;
+use trace;
+use unix::signal;
+
+const help: [_]getopt::help = [
+	"minecraft client",
+	('u', "name", "username for login"),
+	"addr",
+];
+
+export fn main() void = {
+	signal::ignore(signal::sig::PIPE);
+	dial::registersvc("tcp", "minecraft", [], 25565);
+
+	let tracer = newtracer(os::stderr);
+	trace::setroot(&tracer);
+	defer trace::setroot(&trace::silent);
+
+	const cmd = getopt::parse(os::args, help...);
+	defer getopt::finish(&cmd);
+
+	let username = "Player";
+
+	for (let i = 0z; i < len(cmd.opts); i += 1) {
+		const (flag, param) = cmd.opts[i];
+
+		switch (flag) {
+		case 'u' =>
+			username = param;
+		case => abort();
+		};
+	};
+
+	if (len(cmd.args) != 1) {
+		die_usage("expected exactly 1 positional argument");
+	};
+	const addr = cmd.args[0];
+
+	window_run(addr, username);
+};
+
+fn error(fmt: str, args: fmt::field...) void = {
+	fmt::errorf("{}: ", os::args[0]): void;
+	fmt::errorfln(fmt, args...): void;
+};
+
+fn die(fmt: str, args: fmt::field...) never = {
+	error(fmt, args...);
+	os::exit(1);
+};
+
+fn die_usage(fmt: str, args: fmt::field...) never = {
+	error(fmt, args...);
+	getopt::printusage(os::stderr, os::args[0], help)!;
+	os::exit(1);
+};