protocolkit/poc-generators-2/test-grammar.js

"use strict";

const { parse } = require("./index");
const { wholeMatch, either, peek, oneOrMore } = require("./operations");

function* A() {
	yield "hello";
}

function* Whitespace() {
	yield " "; // FIXME
}

function* B1() {
	let worlds = oneOrMore("world");

	// yield peek(worlds);
	// yield peek("world");
	yield worlds;
}

function* B2() {
	yield "earth";
}

function* B3() {
	yield either([ "moon", "jupiter" ]);
}

module.exports = function* TestParser() {
	return yield wholeMatch(function* innerWholeMatch () {
		yield A;
		yield Whitespace;
		yield either([ B1, B2, B3 ]);
	});
};

// parse(process.argv[2], module.exports).then((result) => {
// 	console.log(result);
// });