# Give the next token (but do not consume it)
	fun peek: Token
	do
		var t = _token
		if t != null then return t

		t = get_token
		while t == null do t = get_token

		if isset t._location then
			var l = last_token
			if l != null then
				l.next_token = t
				t.prev_token = l
			else
				file.first_token = t
			end
			last_token = t
		end

		_token = t
		return t
	end