parjs/internal/parsers/eof.js

A parser-combinator library for JavaScript.

"use strict";
/**
 * @module parjs
 */
/** */
Object.defineProperty(exports, "__esModule", { value: true });
const result_1 = require("../result");
const parser_1 = require("../parser");
/**
 * Returns a parser that succeeds if there is no more input.
 * @param result Optionally, the result the parser will yield. Defaults to
 * undefined.
 */
function eof(result) {
    return new class Eof extends parser_1.ParjserBase {
        constructor() {
            super(...arguments);
            this.type = "eof";
            this.expecting = "expecting end of input";
        }
        _apply(ps) {
            if (ps.position === ps.input.length) {
                ps.kind = result_1.ResultKind.Ok;
                ps.value = result;
            }
            else {
                ps.kind = result_1.ResultKind.SoftFail;
            }
        }
    }();
}
exports.eof = eof;

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