fn log(comptime fmt: []const u8, args: anytype) void {
    var buf: [300]u8 = undefined;
    const str = std.fmt.bufPrint(&buf, fmt, args) catch @panic("codebug");
    cart.trace(str);
}

pub fn panic(
    msg: []const u8,
    trace: ?*std.builtin.StackTrace,
    ret_addr: ?usize,
) noreturn {
    log("panic: {s}", .{msg});
    if (trace) |t| {
        cart.trace("dumping error trace...");
        _ = t;
        //std.debug.dumpStackTrace(t.*);
    } else {
        cart.trace("no error trace");
    }
    cart.trace("dumping current stack...");
    _ = ret_addr;
    //std.debug.dumpCurrentStackTrace(ret_addr);
    cart.trace("breakpoint");
    while (true) { @breakpoint(); }
}

fn log(comptime fmt: []const u8, args: anytype) void {
    var buf: [300]u8 = undefined;
    const str = std.fmt.bufPrint(&buf, fmt, args) catch @panic("codebug");
    cart.trace(str);
}

pub fn panic(
    msg: []const u8,
    trace: ?*std.builtin.StackTrace,
    ret_addr: ?usize,
) noreturn {
    log("panic: {s}", .{msg});
    if (trace) |t| {
        cart.trace("dumping error trace...");
        _ = t;
        //std.debug.dumpStackTrace(t.*);
    } else {
        cart.trace("no error trace");
    }
    cart.trace("dumping current stack...");
    _ = ret_addr;
    //std.debug.dumpCurrentStackTrace(ret_addr);
    cart.trace("breakpoint");
    while (true) { @breakpoint(); }
}