"use strict";

const { NotEnoughInput, NoMatch } = require("../symbols");

module.exports = function* endOfInput(_instruction, state) {
	// FIXME: Make this not order-sensitive in an `either`! Currently the NotEnoughInput marker *might* cause issues if this (zero-width) rule comes after nonzero-width rules? Need to investigate.
	if (state.currentIndex === state.currentInput.length) {
		if (state.isFullyLoaded) {
			return true;
		} else {
			return NotEnoughInput;
		}
	} else {
		return NoMatch;
	}
};