bitmark-grammar/src/typescript-es6/clozeParser.ts

A bitmark parser

// Generated from ./Cloze/clozeParser.g4 by ANTLR 4.9.0-SNAPSHOT


import { ATN } from "antlr4ts/atn/ATN";
import { ATNDeserializer } from "antlr4ts/atn/ATNDeserializer";
import { FailedPredicateException } from "antlr4ts/FailedPredicateException";
import { NotNull } from "antlr4ts/Decorators";
import { NoViableAltException } from "antlr4ts/NoViableAltException";
import { Override } from "antlr4ts/Decorators";
import { Parser } from "antlr4ts/Parser";
import { ParserRuleContext } from "antlr4ts/ParserRuleContext";
import { ParserATNSimulator } from "antlr4ts/atn/ParserATNSimulator";
import { ParseTreeListener } from "antlr4ts/tree/ParseTreeListener";
import { ParseTreeVisitor } from "antlr4ts/tree/ParseTreeVisitor";
import { RecognitionException } from "antlr4ts/RecognitionException";
import { RuleContext } from "antlr4ts/RuleContext";
//import { RuleVersion } from "antlr4ts/RuleVersion";
import { TerminalNode } from "antlr4ts/tree/TerminalNode";
import { Token } from "antlr4ts/Token";
import { TokenStream } from "antlr4ts/TokenStream";
import { Vocabulary } from "antlr4ts/Vocabulary";
import { VocabularyImpl } from "antlr4ts/VocabularyImpl";

import * as Utils from "antlr4ts/misc/Utils";

import { clozeParserListener } from "./clozeParserListener";

export class clozeParser extends Parser {
	public static readonly S = 1;
	public static readonly OPDOT = 2;
	public static readonly BitCloze = 3;
	public static readonly BitClozeinstgrp = 4;
	public static readonly BitClozesolgrp = 5;
	public static readonly BitClozeandmulti = 6;
	public static readonly OPSP = 7;
	public static readonly OPDOLL = 8;
	public static readonly OPBUL = 9;
	public static readonly OPESC = 10;
	public static readonly OPRANGLES = 11;
	public static readonly OPRANGLEL = 12;
	public static readonly OPDANGLE = 13;
	public static readonly OPU = 14;
	public static readonly OPB = 15;
	public static readonly OPQ = 16;
	public static readonly OPA = 17;
	public static readonly OPP = 18;
	public static readonly OPM = 19;
	public static readonly OPS = 20;
	public static readonly OPR = 21;
	public static readonly OPC = 22;
	public static readonly OPHASH = 23;
	public static readonly CL = 24;
	public static readonly COLON = 25;
	public static readonly AMP = 26;
	public static readonly DBLCOLON = 27;
	public static readonly PLUS = 28;
	public static readonly DotAt = 29;
	public static readonly Greater = 30;
	public static readonly Less = 31;
	public static readonly DBLEQ = 32;
	public static readonly RightAngle = 33;
	public static readonly RightArrow = 34;
	public static readonly OP_N_ETC = 35;
	public static readonly UNSCO = 36;
	public static readonly COMMENT = 37;
	public static readonly DCANY = 38;
	public static readonly Image_type = 39;
	public static readonly Audio_type = 40;
	public static readonly Video_type = 41;
	public static readonly ArticleText = 42;
	public static readonly NOTCL = 43;
	public static readonly NUMERIC = 44;
	public static readonly STRING = 45;
	public static readonly NL = 46;
	public static readonly NOTBITMARK = 47;
	public static readonly ELIPSIS = 48;
	public static readonly SENTENCE = 49;
	public static readonly BARSTRING = 50;
	public static readonly OPAT = 51;
	public static readonly AtProgress = 52;
	public static readonly AtReference = 53;
	public static readonly AtWidth = 54;
	public static readonly AtHeight = 55;
	public static readonly AtProgressPoints = 56;
	public static readonly AtShortanswer = 57;
	public static readonly AtLonganswer = 58;
	public static readonly AtExampleWithStr = 59;
	public static readonly AtExamplecol = 60;
	public static readonly AtExamplecl = 61;
	public static readonly AtSampleSolution = 62;
	public static readonly AtPartialAnswerS = 63;
	public static readonly AtPartialAnswer = 64;
	public static readonly AtLabeltrue = 65;
	public static readonly AtLabelfalse = 66;
	public static readonly AtPoints = 67;
	public static readonly AtSrc = 68;
	public static readonly AtPartner = 69;
	public static readonly OPATALT = 70;
	public static readonly OPAMARK = 71;
	public static readonly ShowInIndex = 72;
	public static readonly OpAtCaption = 73;
	public static readonly OpAtLicense = 74;
	public static readonly OpAtCopyright = 75;
	public static readonly OpAtSearch = 76;
	public static readonly OpAtIsTracked = 77;
	public static readonly OpAtIsInfoOnly = 78;
	public static readonly AtDate = 79;
	public static readonly Http = 80;
	public static readonly Https = 81;
	public static readonly AmpAudio = 82;
	public static readonly AmpImage = 83;
	public static readonly AmpImageZoom = 84;
	public static readonly AmpImageWAudio = 85;
	public static readonly AmpVideo = 86;
	public static readonly AmpArticle = 87;
	public static readonly AmpDocument = 88;
	public static readonly AmpApp = 89;
	public static readonly AmpWebsite = 90;
	public static readonly AmpStillImageFilm = 91;
	public static readonly AmpPdf = 92;
	public static readonly OpAmpAudio = 93;
	public static readonly OpAmpImage = 94;
	public static readonly OpAmpImageZoom = 95;
	public static readonly OpAmpImageWAudio = 96;
	public static readonly OpAmpVideo = 97;
	public static readonly OpAmpArticle = 98;
	public static readonly OpAmpArticleAtt = 99;
	public static readonly OpAmpDocument = 100;
	public static readonly OpAmpApp = 101;
	public static readonly OpAmpWebsite = 102;
	public static readonly OpAmpStillImageFilm = 103;
	public static readonly BracEnclose = 104;
	public static readonly AmpAudioLink = 105;
	public static readonly AmpImageLink = 106;
	public static readonly AmpVideoLink = 107;
	public static readonly AmpArticleLink = 108;
	public static readonly AmpDocumentLink = 109;
	public static readonly AmpDocumentDownload = 110;
	public static readonly AmpAppLink = 111;
	public static readonly AmpWebsiteLink = 112;
	public static readonly AmpStillImageFilmLink = 113;
	public static readonly OpAmpAudioLink = 114;
	public static readonly OpAmpImageLink = 115;
	public static readonly OpAmpVideoLink = 116;
	public static readonly OpAmpArticleLink = 117;
	public static readonly OpAmpDocumentLink = 118;
	public static readonly OpAmpDocumentDownload = 119;
	public static readonly OpAmpAppLink = 120;
	public static readonly OpAmpWebsiteLink = 121;
	public static readonly OpAmpStillImageFilmLink = 122;
	public static readonly AmpImageEmbed = 123;
	public static readonly AmpVideoEmbed = 124;
	public static readonly AmpAudioEmbed = 125;
	public static readonly AmpDocumentEmbed = 126;
	public static readonly AmpStillImageFilmEmbed = 127;
	public static readonly OpAmpImageEmbed = 128;
	public static readonly OpAmpVideoEmbed = 129;
	public static readonly OpAmpAudioEmbed = 130;
	public static readonly OpAmpDocumentEmbed = 131;
	public static readonly OpAmpStillImageFilmEmbed = 132;
	public static readonly BitmarkMinus = 133;
	public static readonly BitmarkPlus = 134;
	public static readonly ColonText = 135;
	public static readonly ColonJson = 136;
	public static readonly Prosemirror = 137;
	public static readonly Placeholder = 138;
	public static readonly BASIC = 139;
	public static readonly JPG = 140;
	public static readonly PNG = 141;
	public static readonly GIF = 142;
	public static readonly SVG = 143;
	public static readonly MP2 = 144;
	public static readonly MP3 = 145;
	public static readonly MP4 = 146;
	public static readonly FLV = 147;
	public static readonly WMV = 148;
	public static readonly MPEG = 149;
	public static readonly MPG = 150;
	public static readonly TEL = 151;
	public static readonly DotArticleAtt = 152;
	public static readonly STAR = 153;
	public static readonly URL = 154;
	public static readonly LIST_LINE = 155;
	public static readonly ENCLBARS = 156;
	public static readonly RULE_bitmark = 0;
	public static readonly RULE_bitmark_ = 1;
	public static readonly RULE_clozes = 2;
	public static readonly RULE_bitElem = 3;
	public static readonly RULE_resource = 4;
	public static readonly RULE_cloze = 5;
	public static readonly RULE_cloze_instruction_grouped = 6;
	public static readonly RULE_cloze_solution_grouped = 7;
	public static readonly RULE_gap = 8;
	public static readonly RULE_single_gap = 9;
	public static readonly RULE_cloze_and_multiple_choice_text = 10;
	public static readonly RULE_headed_inline_choices = 11;
	public static readonly RULE_choice_head = 12;
	public static readonly RULE_inline_choices = 13;
	public static readonly RULE_choice_plus = 14;
	public static readonly RULE_choice_minus = 15;
	public static readonly RULE_choice_star = 16;
	public static readonly RULE_pimagebit = 17;
	public static readonly RULE_atpoint = 18;
	public static readonly RULE_format = 19;
	public static readonly RULE_resource_format = 20;
	public static readonly RULE_resource_format_extra = 21;
	public static readonly RULE_format2 = 22;
	public static readonly RULE_image_format = 23;
	public static readonly RULE_video_format = 24;
	public static readonly RULE_article_format = 25;
	public static readonly RULE_document_format = 26;
	public static readonly RULE_app_format = 27;
	public static readonly RULE_website_format = 28;
	public static readonly RULE_stillimagefilm_format = 29;
	public static readonly RULE_op_article_format = 30;
	public static readonly RULE_op_document_format = 31;
	public static readonly RULE_op_app_format = 32;
	public static readonly RULE_op_website_format = 33;
	public static readonly RULE_op_video_format = 34;
	public static readonly RULE_op_stillimagefilm_format = 35;
	public static readonly RULE_articlebit = 36;
	public static readonly RULE_documentbit = 37;
	public static readonly RULE_websitebit = 38;
	public static readonly RULE_appbit = 39;
	public static readonly RULE_stillimagefilmbit = 40;
	public static readonly RULE_stillimg_one = 41;
	public static readonly RULE_videobit = 42;
	public static readonly RULE_video_one = 43;
	public static readonly RULE_imagebit = 44;
	public static readonly RULE_image_one = 45;
	public static readonly RULE_op_image_format = 46;
	public static readonly RULE_image_chained = 47;
	public static readonly RULE_image_chained4match = 48;
	public static readonly RULE_audiobit = 49;
	public static readonly RULE_audio_one = 50;
	public static readonly RULE_audio_format = 51;
	public static readonly RULE_op_audio_format = 52;
	public static readonly RULE_resource_chained = 53;
	public static readonly RULE_telephone = 54;
	public static readonly RULE_url = 55;
	public static readonly RULE_item = 56;
	public static readonly RULE_lead = 57;
	public static readonly RULE_angleref = 58;
	public static readonly RULE_example = 59;
	public static readonly RULE_bracketed_text = 60;
	public static readonly RULE_reference = 61;
	public static readonly RULE_progress = 62;
	public static readonly RULE_dateprop = 63;
	public static readonly RULE_dateprop_chained = 64;
	public static readonly RULE_instruction = 65;
	public static readonly RULE_hint = 66;
	public static readonly RULE_title = 67;
	public static readonly RULE_bool_label = 68;
	public static readonly RULE_progress_points = 69;
	public static readonly RULE_istracked = 70;
	public static readonly RULE_isinfoonly = 71;
	public static readonly RULE_atdef = 72;
	public static readonly RULE_atdef_ = 73;
	public static readonly RULE_dollarans = 74;
	public static readonly RULE_anchor = 75;
	public static readonly RULE_lines = 76;
	public static readonly RULE_s_and_w = 77;
	public static readonly RULE_dclines = 78;
	public static readonly RULE_opu = 79;
	public static readonly RULE_opb = 80;
	public static readonly RULE_opq = 81;
	public static readonly RULE_opa = 82;
	public static readonly RULE_opp = 83;
	public static readonly RULE_opm = 84;
	public static readonly RULE_ops = 85;
	public static readonly RULE_opr = 86;
	public static readonly RULE_opc = 87;
	public static readonly RULE_cl = 88;
	public static readonly RULE_clnsp = 89;
	public static readonly RULE_nl = 90;
	public static readonly RULE_listline_ = 91;
	public static readonly RULE_numeric = 92;
	public static readonly RULE_string = 93;
	public static readonly RULE_words = 94;
	public static readonly RULE_sp = 95;
	// tslint:disable:no-trailing-whitespace
	public static readonly ruleNames: string[] = [
		"bitmark", "bitmark_", "clozes", "bitElem", "resource", "cloze", "cloze_instruction_grouped", 
		"cloze_solution_grouped", "gap", "single_gap", "cloze_and_multiple_choice_text", 
		"headed_inline_choices", "choice_head", "inline_choices", "choice_plus", 
		"choice_minus", "choice_star", "pimagebit", "atpoint", "format", "resource_format", 
		"resource_format_extra", "format2", "image_format", "video_format", "article_format", 
		"document_format", "app_format", "website_format", "stillimagefilm_format", 
		"op_article_format", "op_document_format", "op_app_format", "op_website_format", 
		"op_video_format", "op_stillimagefilm_format", "articlebit", "documentbit", 
		"websitebit", "appbit", "stillimagefilmbit", "stillimg_one", "videobit", 
		"video_one", "imagebit", "image_one", "op_image_format", "image_chained", 
		"image_chained4match", "audiobit", "audio_one", "audio_format", "op_audio_format", 
		"resource_chained", "telephone", "url", "item", "lead", "angleref", "example", 
		"bracketed_text", "reference", "progress", "dateprop", "dateprop_chained", 
		"instruction", "hint", "title", "bool_label", "progress_points", "istracked", 
		"isinfoonly", "atdef", "atdef_", "dollarans", "anchor", "lines", "s_and_w", 
		"dclines", "opu", "opb", "opq", "opa", "opp", "opm", "ops", "opr", "opc", 
		"cl", "clnsp", "nl", "listline_", "numeric", "string", "words", "sp",
	];

	private static readonly _LITERAL_NAMES: Array<string | undefined> = [
		undefined, undefined, "'[.'", undefined, undefined, undefined, undefined, 
		undefined, undefined, undefined, "'[^'", undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, undefined, "'[#'", undefined, "':'", "'&'", "'::'", "'+'", 
		"'.@'", "'>'", "'<'", "'=='", "'\u25BA'", "'\u2192'", undefined, "'_'", 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		"'[@'", undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, "'http://'", "'https://'", "'&audio'", "'&image'", "'&image-zoom'", 
		"'&image-with-audio'", "'&video'", "'&article'", "'&document'", "'&app'", 
		"'&website'", "'&still-image-film'", "'&pdf'", undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, undefined, 
		undefined, undefined, "'&audio-link'", "'&image-link'", "'&video-link'", 
		"'&article-link'", "'&document-link'", "'&document-download'", "'&app-link'", 
		"'&website-link'", "'&still-image-film-link'", undefined, undefined, undefined, 
		undefined, undefined, undefined, undefined, undefined, undefined, "'&image-embed'", 
		"'&video-embed'", "'&daudio-embed'", "'&document-embed'", "'&still-image-film-embed'", 
		undefined, undefined, undefined, undefined, undefined, "':bitmark--'", 
		"':bitmark++'", "':text'", "':json'", "':prosemirror'", "':placeholder'", 
		"':basic'", "':jpg'", "':png'", "':gif'", "':svg'", "':mp2'", "':mp3'", 
		"':mp4'", "':flv'", "':wmv'", "':mpeg'", "':mpg'", "'tel:'", "'.article-attachment'", 
		"'*'",
	];
	private static readonly _SYMBOLIC_NAMES: Array<string | undefined> = [
		undefined, "S", "OPDOT", "BitCloze", "BitClozeinstgrp", "BitClozesolgrp", 
		"BitClozeandmulti", "OPSP", "OPDOLL", "OPBUL", "OPESC", "OPRANGLES", "OPRANGLEL", 
		"OPDANGLE", "OPU", "OPB", "OPQ", "OPA", "OPP", "OPM", "OPS", "OPR", "OPC", 
		"OPHASH", "CL", "COLON", "AMP", "DBLCOLON", "PLUS", "DotAt", "Greater", 
		"Less", "DBLEQ", "RightAngle", "RightArrow", "OP_N_ETC", "UNSCO", "COMMENT", 
		"DCANY", "Image_type", "Audio_type", "Video_type", "ArticleText", "NOTCL", 
		"NUMERIC", "STRING", "NL", "NOTBITMARK", "ELIPSIS", "SENTENCE", "BARSTRING", 
		"OPAT", "AtProgress", "AtReference", "AtWidth", "AtHeight", "AtProgressPoints", 
		"AtShortanswer", "AtLonganswer", "AtExampleWithStr", "AtExamplecol", "AtExamplecl", 
		"AtSampleSolution", "AtPartialAnswerS", "AtPartialAnswer", "AtLabeltrue", 
		"AtLabelfalse", "AtPoints", "AtSrc", "AtPartner", "OPATALT", "OPAMARK", 
		"ShowInIndex", "OpAtCaption", "OpAtLicense", "OpAtCopyright", "OpAtSearch", 
		"OpAtIsTracked", "OpAtIsInfoOnly", "AtDate", "Http", "Https", "AmpAudio", 
		"AmpImage", "AmpImageZoom", "AmpImageWAudio", "AmpVideo", "AmpArticle", 
		"AmpDocument", "AmpApp", "AmpWebsite", "AmpStillImageFilm", "AmpPdf", 
		"OpAmpAudio", "OpAmpImage", "OpAmpImageZoom", "OpAmpImageWAudio", "OpAmpVideo", 
		"OpAmpArticle", "OpAmpArticleAtt", "OpAmpDocument", "OpAmpApp", "OpAmpWebsite", 
		"OpAmpStillImageFilm", "BracEnclose", "AmpAudioLink", "AmpImageLink", 
		"AmpVideoLink", "AmpArticleLink", "AmpDocumentLink", "AmpDocumentDownload", 
		"AmpAppLink", "AmpWebsiteLink", "AmpStillImageFilmLink", "OpAmpAudioLink", 
		"OpAmpImageLink", "OpAmpVideoLink", "OpAmpArticleLink", "OpAmpDocumentLink", 
		"OpAmpDocumentDownload", "OpAmpAppLink", "OpAmpWebsiteLink", "OpAmpStillImageFilmLink", 
		"AmpImageEmbed", "AmpVideoEmbed", "AmpAudioEmbed", "AmpDocumentEmbed", 
		"AmpStillImageFilmEmbed", "OpAmpImageEmbed", "OpAmpVideoEmbed", "OpAmpAudioEmbed", 
		"OpAmpDocumentEmbed", "OpAmpStillImageFilmEmbed", "BitmarkMinus", "BitmarkPlus", 
		"ColonText", "ColonJson", "Prosemirror", "Placeholder", "BASIC", "JPG", 
		"PNG", "GIF", "SVG", "MP2", "MP3", "MP4", "FLV", "WMV", "MPEG", "MPG", 
		"TEL", "DotArticleAtt", "STAR", "URL", "LIST_LINE", "ENCLBARS",
	];
	public static readonly VOCABULARY: Vocabulary = new VocabularyImpl(clozeParser._LITERAL_NAMES, clozeParser._SYMBOLIC_NAMES, []);

	// @Override
	// @NotNull
	public get vocabulary(): Vocabulary {
		return clozeParser.VOCABULARY;
	}
	// tslint:enable:no-trailing-whitespace

	// @Override
	public get grammarFileName(): string { return "clozeParser.g4"; }

	// @Override
	public get ruleNames(): string[] { return clozeParser.ruleNames; }

	// @Override
	public get serializedATN(): string { return clozeParser._serializedATN; }

	protected createFailedPredicateException(predicate?: string, message?: string): FailedPredicateException {
		return new FailedPredicateException(this, predicate, message);
	}

	constructor(input: TokenStream) {
		super(input);
		this._interp = new ParserATNSimulator(clozeParser._ATN, this);
	}
	// @RuleVersion(0)
	public bitmark(): BitmarkContext {
		let _localctx: BitmarkContext = new BitmarkContext(this._ctx, this.state);
		this.enterRule(_localctx, 0, clozeParser.RULE_bitmark);
		let _la: number;
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 205;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			do {
				{
				{
				this.state = 192;
				this.bitmark_();
				this.state = 202;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
				while (_la === clozeParser.S || _la === clozeParser.NL) {
					{
					{
					this.state = 196;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
					while (_la === clozeParser.S) {
						{
						{
						this.state = 193;
						this.match(clozeParser.S);
						}
						}
						this.state = 198;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
					}
					this.state = 199;
					this.nl();
					}
					}
					this.state = 204;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
				}
				}
				}
				this.state = 207;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			} while ((((_la) & ~0x1F) === 0 && ((1 << _la) & ((1 << clozeParser.BitCloze) | (1 << clozeParser.BitClozeinstgrp) | (1 << clozeParser.BitClozesolgrp) | (1 << clozeParser.BitClozeandmulti))) !== 0));
			this.state = 209;
			this.match(clozeParser.EOF);
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public bitmark_(): Bitmark_Context {
		let _localctx: Bitmark_Context = new Bitmark_Context(this._ctx, this.state);
		this.enterRule(_localctx, 2, clozeParser.RULE_bitmark_);
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 211;
			this.clozes();
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public clozes(): ClozesContext {
		let _localctx: ClozesContext = new ClozesContext(this._ctx, this.state);
		this.enterRule(_localctx, 4, clozeParser.RULE_clozes);
		try {
			this.state = 217;
			this._errHandler.sync(this);
			switch (this._input.LA(1)) {
			case clozeParser.BitCloze:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 213;
				this.cloze();
				}
				break;
			case clozeParser.BitClozeinstgrp:
				this.enterOuterAlt(_localctx, 2);
				{
				this.state = 214;
				this.cloze_instruction_grouped();
				}
				break;
			case clozeParser.BitClozesolgrp:
				this.enterOuterAlt(_localctx, 3);
				{
				this.state = 215;
				this.cloze_solution_grouped();
				}
				break;
			case clozeParser.BitClozeandmulti:
				this.enterOuterAlt(_localctx, 4);
				{
				this.state = 216;
				this.cloze_and_multiple_choice_text();
				}
				break;
			default:
				throw new NoViableAltException(this);
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public bitElem(): BitElemContext {
		let _localctx: BitElemContext = new BitElemContext(this._ctx, this.state);
		this.enterRule(_localctx, 6, clozeParser.RULE_bitElem);
		try {
			let _alt: number;
			this.state = 260;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 7, this._ctx) ) {
			case 1:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 219;
				this.match(clozeParser.LIST_LINE);
				}
				break;

			case 2:
				this.enterOuterAlt(_localctx, 2);
				{
				this.state = 220;
				this.match(clozeParser.NOTBITMARK);
				}
				break;

			case 3:
				this.enterOuterAlt(_localctx, 3);
				{
				this.state = 221;
				this.dclines();
				}
				break;

			case 4:
				this.enterOuterAlt(_localctx, 4);
				{
				this.state = 222;
				this.gap();
				}
				break;

			case 5:
				this.enterOuterAlt(_localctx, 5);
				{
				this.state = 223;
				this.atdef();
				}
				break;

			case 6:
				this.enterOuterAlt(_localctx, 6);
				{
				this.state = 224;
				this.reference();
				}
				break;

			case 7:
				this.enterOuterAlt(_localctx, 7);
				{
				this.state = 225;
				this.item();
				}
				break;

			case 8:
				this.enterOuterAlt(_localctx, 8);
				{
				this.state = 226;
				this.instruction();
				}
				break;

			case 9:
				this.enterOuterAlt(_localctx, 9);
				{
				this.state = 227;
				this.hint();
				}
				break;

			case 10:
				this.enterOuterAlt(_localctx, 10);
				{
				this.state = 228;
				this.s_and_w();
				}
				break;

			case 11:
				this.enterOuterAlt(_localctx, 11);
				{
				this.state = 229;
				this.example();
				}
				break;

			case 12:
				this.enterOuterAlt(_localctx, 12);
				{
				this.state = 230;
				this.bool_label();
				}
				break;

			case 13:
				this.enterOuterAlt(_localctx, 13);
				{
				this.state = 231;
				this.imagebit();
				this.state = 235;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 4, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 232;
						this.nl();
						}
						}
					}
					this.state = 237;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 4, this._ctx);
				}
				}
				break;

			case 14:
				this.enterOuterAlt(_localctx, 14);
				{
				this.state = 238;
				this.audiobit();
				this.state = 242;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 5, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 239;
						this.nl();
						}
						}
					}
					this.state = 244;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 5, this._ctx);
				}
				}
				break;

			case 15:
				this.enterOuterAlt(_localctx, 15);
				{
				this.state = 245;
				this.videobit();
				this.state = 249;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 6, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 246;
						this.nl();
						}
						}
					}
					this.state = 251;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 6, this._ctx);
				}
				}
				break;

			case 16:
				this.enterOuterAlt(_localctx, 16);
				{
				this.state = 252;
				this.articlebit();
				}
				break;

			case 17:
				this.enterOuterAlt(_localctx, 17);
				{
				this.state = 253;
				this.documentbit();
				}
				break;

			case 18:
				this.enterOuterAlt(_localctx, 18);
				{
				this.state = 254;
				this.appbit();
				}
				break;

			case 19:
				this.enterOuterAlt(_localctx, 19);
				{
				this.state = 255;
				this.websitebit();
				}
				break;

			case 20:
				this.enterOuterAlt(_localctx, 20);
				{
				this.state = 256;
				this.stillimagefilmbit();
				}
				break;

			case 21:
				this.enterOuterAlt(_localctx, 21);
				{
				this.state = 257;
				this.angleref();
				}
				break;

			case 22:
				this.enterOuterAlt(_localctx, 22);
				{
				this.state = 258;
				this.anchor();
				}
				break;

			case 23:
				this.enterOuterAlt(_localctx, 23);
				{
				this.state = 259;
				this.sp();
				}
				break;
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public resource(): ResourceContext {
		let _localctx: ResourceContext = new ResourceContext(this._ctx, this.state);
		this.enterRule(_localctx, 8, clozeParser.RULE_resource);
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 262;
			this.bitElem();
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public cloze(): ClozeContext {
		let _localctx: ClozeContext = new ClozeContext(this._ctx, this.state);
		this.enterRule(_localctx, 10, clozeParser.RULE_cloze);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 264;
			this.match(clozeParser.BitCloze);
			this.state = 265;
			this.format();
			this.state = 266;
			this.match(clozeParser.CL);
			this.state = 270;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			while (_la === clozeParser.NL) {
				{
				{
				this.state = 267;
				this.nl();
				}
				}
				this.state = 272;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			}
			this.state = 280;
			this._errHandler.sync(this);
			_alt = 1;
			do {
				switch (_alt) {
				case 1:
					{
					{
					this.state = 273;
					this.bitElem();
					this.state = 277;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 9, this._ctx);
					while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
						if (_alt === 1) {
							{
							{
							this.state = 274;
							this.nl();
							}
							}
						}
						this.state = 279;
						this._errHandler.sync(this);
						_alt = this.interpreter.adaptivePredict(this._input, 9, this._ctx);
					}
					}
					}
					break;
				default:
					throw new NoViableAltException(this);
				}
				this.state = 282;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 10, this._ctx);
			} while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER);
			this.state = 287;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 11, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 284;
					this.match(clozeParser.NL);
					}
					}
				}
				this.state = 289;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 11, this._ctx);
			}
			this.state = 303;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 14, this._ctx) ) {
			case 1:
				{
				this.state = 290;
				this.resource();
				this.state = 300;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 13, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 294;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === clozeParser.NL) {
							{
							{
							this.state = 291;
							this.match(clozeParser.NL);
							}
							}
							this.state = 296;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 297;
						this.resource();
						}
						}
					}
					this.state = 302;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 13, this._ctx);
				}
				}
				break;
			}
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public cloze_instruction_grouped(): Cloze_instruction_groupedContext {
		let _localctx: Cloze_instruction_groupedContext = new Cloze_instruction_groupedContext(this._ctx, this.state);
		this.enterRule(_localctx, 12, clozeParser.RULE_cloze_instruction_grouped);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 305;
			this.match(clozeParser.BitClozeinstgrp);
			this.state = 306;
			this.format();
			this.state = 307;
			this.match(clozeParser.CL);
			this.state = 309;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 15, this._ctx) ) {
			case 1:
				{
				this.state = 308;
				this.nl();
				}
				break;
			}
			this.state = 314;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 16, this._ctx) ) {
			case 1:
				{
				this.state = 311;
				this.item();
				this.state = 312;
				this.nl();
				}
				break;
			}
			this.state = 317;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 17, this._ctx) ) {
			case 1:
				{
				this.state = 316;
				this.instruction();
				}
				break;
			}
			this.state = 322;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 18, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 319;
					this.nl();
					}
					}
				}
				this.state = 324;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 18, this._ctx);
			}
			this.state = 334;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 20, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					{
					this.state = 325;
					this.bitElem();
					this.state = 329;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 19, this._ctx);
					while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
						if (_alt === 1) {
							{
							{
							this.state = 326;
							this.nl();
							}
							}
						}
						this.state = 331;
						this._errHandler.sync(this);
						_alt = this.interpreter.adaptivePredict(this._input, 19, this._ctx);
					}
					}
					}
					}
				}
				this.state = 336;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 20, this._ctx);
			}
			this.state = 340;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 21, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 337;
					this.match(clozeParser.NL);
					}
					}
				}
				this.state = 342;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 21, this._ctx);
			}
			this.state = 356;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 24, this._ctx) ) {
			case 1:
				{
				this.state = 343;
				this.resource();
				this.state = 353;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 23, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 347;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === clozeParser.NL) {
							{
							{
							this.state = 344;
							this.match(clozeParser.NL);
							}
							}
							this.state = 349;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 350;
						this.resource();
						}
						}
					}
					this.state = 355;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 23, this._ctx);
				}
				}
				break;
			}
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public cloze_solution_grouped(): Cloze_solution_groupedContext {
		let _localctx: Cloze_solution_groupedContext = new Cloze_solution_groupedContext(this._ctx, this.state);
		this.enterRule(_localctx, 14, clozeParser.RULE_cloze_solution_grouped);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 358;
			this.match(clozeParser.BitClozesolgrp);
			this.state = 359;
			this.format();
			this.state = 360;
			this.match(clozeParser.CL);
			this.state = 362;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 25, this._ctx) ) {
			case 1:
				{
				this.state = 361;
				this.nl();
				}
				break;
			}
			this.state = 367;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 26, this._ctx) ) {
			case 1:
				{
				this.state = 364;
				this.item();
				this.state = 365;
				this.nl();
				}
				break;
			}
			this.state = 370;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 27, this._ctx) ) {
			case 1:
				{
				this.state = 369;
				this.instruction();
				}
				break;
			}
			this.state = 375;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 28, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 372;
					this.nl();
					}
					}
				}
				this.state = 377;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 28, this._ctx);
			}
			this.state = 387;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 30, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					{
					this.state = 378;
					this.bitElem();
					this.state = 382;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 29, this._ctx);
					while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
						if (_alt === 1) {
							{
							{
							this.state = 379;
							this.nl();
							}
							}
						}
						this.state = 384;
						this._errHandler.sync(this);
						_alt = this.interpreter.adaptivePredict(this._input, 29, this._ctx);
					}
					}
					}
					}
				}
				this.state = 389;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 30, this._ctx);
			}
			this.state = 393;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 31, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 390;
					this.match(clozeParser.NL);
					}
					}
				}
				this.state = 395;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 31, this._ctx);
			}
			this.state = 409;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 34, this._ctx) ) {
			case 1:
				{
				this.state = 396;
				this.resource();
				this.state = 406;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 33, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 400;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === clozeParser.NL) {
							{
							{
							this.state = 397;
							this.match(clozeParser.NL);
							}
							}
							this.state = 402;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 403;
						this.resource();
						}
						}
					}
					this.state = 408;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 33, this._ctx);
				}
				}
				break;
			}
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public gap(): GapContext {
		let _localctx: GapContext = new GapContext(this._ctx, this.state);
		this.enterRule(_localctx, 16, clozeParser.RULE_gap);
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 411;
			this.single_gap();
			this.state = 419;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 36, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					this.state = 417;
					this._errHandler.sync(this);
					switch (this._input.LA(1)) {
					case clozeParser.OPU:
						{
						this.state = 412;
						this.single_gap();
						}
						break;
					case clozeParser.OPB:
						{
						this.state = 413;
						this.instruction();
						}
						break;
					case clozeParser.OPQ:
						{
						this.state = 414;
						this.hint();
						}
						break;
					case clozeParser.OPC:
						{
						this.state = 415;
						this.item();
						}
						break;
					case clozeParser.AtExampleWithStr:
					case clozeParser.AtExamplecol:
					case clozeParser.AtExamplecl:
						{
						this.state = 416;
						this.example();
						}
						break;
					default:
						throw new NoViableAltException(this);
					}
					}
				}
				this.state = 421;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 36, this._ctx);
			}
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public single_gap(): Single_gapContext {
		let _localctx: Single_gapContext = new Single_gapContext(this._ctx, this.state);
		this.enterRule(_localctx, 18, clozeParser.RULE_single_gap);
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 422;
			this.match(clozeParser.OPU);
			this.state = 426;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 37, this._ctx) ) {
			case 1:
				{
				this.state = 423;
				this.numeric();
				}
				break;

			case 2:
				{
				this.state = 424;
				this.string();
				}
				break;

			case 3:
				// tslint:disable-next-line:no-empty
				{
				}
				break;
			}
			this.state = 431;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 38, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 428;
					this.s_and_w();
					}
					}
				}
				this.state = 433;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 38, this._ctx);
			}
			this.state = 434;
			this.clnsp();
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public cloze_and_multiple_choice_text(): Cloze_and_multiple_choice_textContext {
		let _localctx: Cloze_and_multiple_choice_textContext = new Cloze_and_multiple_choice_textContext(this._ctx, this.state);
		this.enterRule(_localctx, 20, clozeParser.RULE_cloze_and_multiple_choice_text);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 436;
			this.match(clozeParser.BitClozeandmulti);
			this.state = 437;
			this.format();
			this.state = 438;
			this.match(clozeParser.CL);
			this.state = 442;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			while (_la === clozeParser.NL) {
				{
				{
				this.state = 439;
				this.nl();
				}
				}
				this.state = 444;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			}
			this.state = 459;
			this._errHandler.sync(this);
			_alt = 1;
			do {
				switch (_alt) {
				case 1:
					{
					this.state = 459;
					this._errHandler.sync(this);
					switch ( this.interpreter.adaptivePredict(this._input, 42, this._ctx) ) {
					case 1:
						{
						this.state = 445;
						this.bitElem();
						this.state = 449;
						this._errHandler.sync(this);
						_alt = this.interpreter.adaptivePredict(this._input, 40, this._ctx);
						while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
							if (_alt === 1) {
								{
								{
								this.state = 446;
								this.nl();
								}
								}
							}
							this.state = 451;
							this._errHandler.sync(this);
							_alt = this.interpreter.adaptivePredict(this._input, 40, this._ctx);
						}
						}
						break;

					case 2:
						{
						this.state = 452;
						this.headed_inline_choices();
						this.state = 456;
						this._errHandler.sync(this);
						_alt = this.interpreter.adaptivePredict(this._input, 41, this._ctx);
						while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
							if (_alt === 1) {
								{
								{
								this.state = 453;
								this.nl();
								}
								}
							}
							this.state = 458;
							this._errHandler.sync(this);
							_alt = this.interpreter.adaptivePredict(this._input, 41, this._ctx);
						}
						}
						break;
					}
					}
					break;
				default:
					throw new NoViableAltException(this);
				}
				this.state = 461;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 43, this._ctx);
			} while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER);
			this.state = 466;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 44, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 463;
					this.match(clozeParser.NL);
					}
					}
				}
				this.state = 468;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 44, this._ctx);
			}
			this.state = 482;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 47, this._ctx) ) {
			case 1:
				{
				this.state = 469;
				this.resource();
				this.state = 479;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 46, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 473;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === clozeParser.NL) {
							{
							{
							this.state = 470;
							this.match(clozeParser.NL);
							}
							}
							this.state = 475;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 476;
						this.resource();
						}
						}
					}
					this.state = 481;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 46, this._ctx);
				}
				}
				break;
			}
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public headed_inline_choices(): Headed_inline_choicesContext {
		let _localctx: Headed_inline_choicesContext = new Headed_inline_choicesContext(this._ctx, this.state);
		this.enterRule(_localctx, 22, clozeParser.RULE_headed_inline_choices);
		let _la: number;
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 485;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			if (_la === clozeParser.OPS) {
				{
				this.state = 484;
				this.choice_head();
				}
			}

			this.state = 487;
			this.inline_choices();
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public choice_head(): Choice_headContext {
		let _localctx: Choice_headContext = new Choice_headContext(this._ctx, this.state);
		this.enterRule(_localctx, 24, clozeParser.RULE_choice_head);
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 489;
			this.match(clozeParser.OPS);
			this.state = 490;
			this.s_and_w();
			this.state = 491;
			this.match(clozeParser.CL);
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public inline_choices(): Inline_choicesContext {
		let _localctx: Inline_choicesContext = new Inline_choicesContext(this._ctx, this.state);
		this.enterRule(_localctx, 26, clozeParser.RULE_inline_choices);
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 496;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 49, this._ctx) ) {
			case 1:
				{
				this.state = 493;
				this.choice_plus();
				}
				break;

			case 2:
				{
				this.state = 494;
				this.choice_minus();
				}
				break;

			case 3:
				{
				this.state = 495;
				this.choice_star();
				}
				break;
			}
			this.state = 503;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 51, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					this.state = 501;
					this._errHandler.sync(this);
					switch ( this.interpreter.adaptivePredict(this._input, 50, this._ctx) ) {
					case 1:
						{
						this.state = 498;
						this.choice_plus();
						}
						break;

					case 2:
						{
						this.state = 499;
						this.choice_minus();
						}
						break;

					case 3:
						{
						this.state = 500;
						this.choice_star();
						}
						break;
					}
					}
				}
				this.state = 505;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 51, this._ctx);
			}
			}
		}
		catch (re) {
			if (re instanceof RecognitionException) {
				_localctx.exception = re;
				this._errHandler.reportError(this, re);
				this._errHandler.recover(this, re);
			} else {
				throw re;
			}
		}
		finally {
			this.exitRule();
		}
		return _localctx;
	}
	// @RuleVersion(0)
	public choice_plus(): Choice_plusContext {
		let _localctx: Choice_plusContext = new Choice_plusContext(this._ctx, this.state);
		this.enterRule(_localctx, 28, clozeParser.RULE_choice_plus);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 507;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			if (_la === clozeParser.OPC) {
				{
				this.state = 506;
				this.item();
				}
			}

			this.state = 509;
			this.match(clozeParser.OPP);
			this.state = 511;
			this._errHandler.sync(this);
			_alt = 1;
			do {
				switch (_alt) {
				case 1:
					{
					{
					this.state = 510;
					this.s_a