bitmark-grammar/src/antlr/sequenceParser.ts

A bitmark parser

// Generated from ./antlr/sequenceParser.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 { sequenceParserListener } from "./sequenceParserListener";

export class sequenceParser extends Parser {
	public static readonly OPDOT = 1;
	public static readonly S = 2;
	public static readonly BitSequence = 3;
	public static readonly BitMenu3Course = 4;
	public static readonly OPDOLL = 5;
	public static readonly OPBUL = 6;
	public static readonly OPESC = 7;
	public static readonly OPRANGLES = 8;
	public static readonly OPRANGLEL = 9;
	public static readonly OPDANGLE = 10;
	public static readonly OPU = 11;
	public static readonly OPB = 12;
	public static readonly OPQ = 13;
	public static readonly OPA = 14;
	public static readonly OPP = 15;
	public static readonly OPM = 16;
	public static readonly OPS = 17;
	public static readonly OPR = 18;
	public static readonly OPC = 19;
	public static readonly OPITEM = 20;
	public static readonly OPLEAD = 21;
	public static readonly OPPAGENUMBER = 22;
	public static readonly OPMARGINNUMBER = 23;
	public static readonly OPHASH = 24;
	public static readonly CL = 25;
	public static readonly COLON = 26;
	public static readonly AMP = 27;
	public static readonly DBLCOLON = 28;
	public static readonly PLUS = 29;
	public static readonly DotAt = 30;
	public static readonly Greater = 31;
	public static readonly Less = 32;
	public static readonly RightAngle = 33;
	public static readonly RightArrow = 34;
	public static readonly Dot = 35;
	public static readonly DBLEQ = 36;
	public static readonly DMM = 37;
	public static readonly HSPL = 38;
	public static readonly SSPL = 39;
	public static readonly SSPL2 = 40;
	public static readonly COMMENT = 41;
	public static readonly DCANY = 42;
	public static readonly Image_type = 43;
	public static readonly Audio_type = 44;
	public static readonly Video_type = 45;
	public static readonly ArticleText = 46;
	public static readonly NOTCL = 47;
	public static readonly NUMERIC = 48;
	public static readonly STRING = 49;
	public static readonly NL = 50;
	public static readonly NOTBITMARK = 51;
	public static readonly ELIPSIS = 52;
	public static readonly SENTENCE = 53;
	public static readonly BARSTRING = 54;
	public static readonly OPAT = 55;
	public static readonly AtProgress = 56;
	public static readonly AtReference = 57;
	public static readonly AtWidth = 58;
	public static readonly AtHeight = 59;
	public static readonly AtProgressPoints = 60;
	public static readonly AtShortanswer = 61;
	public static readonly AtLonganswer = 62;
	public static readonly AtExampleWithStr = 63;
	public static readonly AtExamplecol = 64;
	public static readonly AtExamplecl = 65;
	public static readonly AtSampleSolution = 66;
	public static readonly AtPartialAnswerS = 67;
	public static readonly AtPartialAnswer = 68;
	public static readonly AtLabeltrue = 69;
	public static readonly AtLabelfalse = 70;
	public static readonly AtPoints = 71;
	public static readonly AtSrc = 72;
	public static readonly AtPartner = 73;
	public static readonly OPATALT = 74;
	public static readonly OPAMARK = 75;
	public static readonly ShowInIndex = 76;
	public static readonly OpAtCaption = 77;
	public static readonly OpAtLicense = 78;
	public static readonly OpAtCopyright = 79;
	public static readonly OpAtSearch = 80;
	public static readonly OpAtIsTracked = 81;
	public static readonly OpAtIsInfoOnly = 82;
	public static readonly AtDate = 83;
	public static readonly Http = 84;
	public static readonly Https = 85;
	public static readonly AmpAudio = 86;
	public static readonly AmpImage = 87;
	public static readonly AmpImageZoom = 88;
	public static readonly AmpVideo = 89;
	public static readonly AmpArticle = 90;
	public static readonly AmpDocument = 91;
	public static readonly AmpApp = 92;
	public static readonly AmpWebsite = 93;
	public static readonly AmpStillImageFilm = 94;
	public static readonly AmpPdf = 95;
	public static readonly OpAmpAudio = 96;
	public static readonly OpAmpImage = 97;
	public static readonly OpAmpImageZoom = 98;
	public static readonly OpAmpVideo = 99;
	public static readonly OpAmpArticle = 100;
	public static readonly OpAmpArticleAtt = 101;
	public static readonly OpAmpDocument = 102;
	public static readonly OpAmpApp = 103;
	public static readonly OpAmpWebsite = 104;
	public static readonly OpAmpStillImageFilm = 105;
	public static readonly BracEnclose = 106;
	public static readonly AmpAudioLink = 107;
	public static readonly AmpImageLink = 108;
	public static readonly AmpVideoLink = 109;
	public static readonly AmpArticleLink = 110;
	public static readonly AmpDocumentLink = 111;
	public static readonly AmpDocumentDownload = 112;
	public static readonly AmpAppLink = 113;
	public static readonly AmpWebsiteLink = 114;
	public static readonly AmpStillImageFilmLink = 115;
	public static readonly OpAmpAudioLink = 116;
	public static readonly OpAmpImageLink = 117;
	public static readonly OpAmpVideoLink = 118;
	public static readonly OpAmpArticleLink = 119;
	public static readonly OpAmpDocumentLink = 120;
	public static readonly OpAmpDocumentDownload = 121;
	public static readonly OpAmpAppLink = 122;
	public static readonly OpAmpWebsiteLink = 123;
	public static readonly OpAmpStillImageFilmLink = 124;
	public static readonly AmpImageEmbed = 125;
	public static readonly AmpVideoEmbed = 126;
	public static readonly AmpAudioEmbed = 127;
	public static readonly AmpDocumentEmbed = 128;
	public static readonly AmpStillImageFilmEmbed = 129;
	public static readonly OpAmpImageEmbed = 130;
	public static readonly OpAmpVideoEmbed = 131;
	public static readonly OpAmpAudioEmbed = 132;
	public static readonly OpAmpDocumentEmbed = 133;
	public static readonly OpAmpStillImageFilmEmbed = 134;
	public static readonly BitmarkMinus = 135;
	public static readonly BitmarkPlus = 136;
	public static readonly ColonText = 137;
	public static readonly ColonJson = 138;
	public static readonly Prosemirror = 139;
	public static readonly Placeholder = 140;
	public static readonly BASIC = 141;
	public static readonly JPG = 142;
	public static readonly PNG = 143;
	public static readonly GIF = 144;
	public static readonly SVG = 145;
	public static readonly MP2 = 146;
	public static readonly MP3 = 147;
	public static readonly MP4 = 148;
	public static readonly FLV = 149;
	public static readonly WMV = 150;
	public static readonly MPEG = 151;
	public static readonly MPG = 152;
	public static readonly TEL = 153;
	public static readonly DotArticleAtt = 154;
	public static readonly STAR = 155;
	public static readonly URL = 156;
	public static readonly LIST_LINE = 157;
	public static readonly ENCLBARS = 158;
	public static readonly RULE_bitmark = 0;
	public static readonly RULE_bitmark_ = 1;
	public static readonly RULE_bit = 2;
	public static readonly RULE_sequence = 3;
	public static readonly RULE_seqstr = 4;
	public static readonly RULE_minusminus = 5;
	public static readonly RULE_menu_3_course = 6;
	public static readonly RULE_menu_list = 7;
	public static readonly RULE_hspl_slot = 8;
	public static readonly RULE_menu_text = 9;
	public static readonly RULE_melem = 10;
	public static readonly RULE_mtex = 11;
	public static readonly RULE_footer = 12;
	public static readonly RULE_bitElem = 13;
	public static readonly RULE_gap = 14;
	public static readonly RULE_single_gap = 15;
	public static readonly RULE_choice_plus = 16;
	public static readonly RULE_choice_minus = 17;
	public static readonly RULE_choice_star = 18;
	public static readonly RULE_resource = 19;
	public static readonly RULE_bullet_item = 20;
	public static readonly RULE_atpoint = 21;
	public static readonly RULE_format = 22;
	public static readonly RULE_resource_format = 23;
	public static readonly RULE_resource_format_extra = 24;
	public static readonly RULE_format2 = 25;
	public static readonly RULE_image_format = 26;
	public static readonly RULE_video_format = 27;
	public static readonly RULE_article_format = 28;
	public static readonly RULE_document_format = 29;
	public static readonly RULE_app_format = 30;
	public static readonly RULE_website_format = 31;
	public static readonly RULE_stillimagefilm_format = 32;
	public static readonly RULE_op_article_format = 33;
	public static readonly RULE_op_document_format = 34;
	public static readonly RULE_op_app_format = 35;
	public static readonly RULE_op_website_format = 36;
	public static readonly RULE_op_video_format = 37;
	public static readonly RULE_op_stillimagefilm_format = 38;
	public static readonly RULE_articlebit = 39;
	public static readonly RULE_documentbit = 40;
	public static readonly RULE_websitebit = 41;
	public static readonly RULE_appbit = 42;
	public static readonly RULE_stillimagefilmbit = 43;
	public static readonly RULE_stillimg_one = 44;
	public static readonly RULE_videobit = 45;
	public static readonly RULE_video_one = 46;
	public static readonly RULE_imagebit = 47;
	public static readonly RULE_image_one = 48;
	public static readonly RULE_op_image_format = 49;
	public static readonly RULE_image_chained = 50;
	public static readonly RULE_image_chained4match = 51;
	public static readonly RULE_audiobit = 52;
	public static readonly RULE_audio_one = 53;
	public static readonly RULE_audio_format = 54;
	public static readonly RULE_op_audio_format = 55;
	public static readonly RULE_resource_chained = 56;
	public static readonly RULE_telephone = 57;
	public static readonly RULE_url = 58;
	public static readonly RULE_item = 59;
	public static readonly RULE_lead = 60;
	public static readonly RULE_angleref = 61;
	public static readonly RULE_example = 62;
	public static readonly RULE_bracketed_text = 63;
	public static readonly RULE_reference = 64;
	public static readonly RULE_progress = 65;
	public static readonly RULE_dateprop = 66;
	public static readonly RULE_dateprop_chained = 67;
	public static readonly RULE_instruction = 68;
	public static readonly RULE_hint = 69;
	public static readonly RULE_title = 70;
	public static readonly RULE_bool_label = 71;
	public static readonly RULE_progress_points = 72;
	public static readonly RULE_istracked = 73;
	public static readonly RULE_isinfoonly = 74;
	public static readonly RULE_atdef = 75;
	public static readonly RULE_atdef_ = 76;
	public static readonly RULE_dollarans = 77;
	public static readonly RULE_anchor = 78;
	public static readonly RULE_dcolon = 79;
	public static readonly RULE_s_and_w = 80;
	public static readonly RULE_dclines = 81;
	public static readonly RULE_clnsp = 82;
	public static readonly RULE_sspl = 83;
	public static readonly RULE_words = 84;
	public static readonly RULE_sp = 85;
	// tslint:disable:no-trailing-whitespace
	public static readonly ruleNames: string[] = [
		"bitmark", "bitmark_", "bit", "sequence", "seqstr", "minusminus", "menu_3_course", 
		"menu_list", "hspl_slot", "menu_text", "melem", "mtex", "footer", "bitElem", 
		"gap", "single_gap", "choice_plus", "choice_minus", "choice_star", "resource", 
		"bullet_item", "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", "dcolon", "s_and_w", "dclines", 
		"clnsp", "sspl", "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, 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, undefined, undefined, undefined, "'http://'", "'https://'", 
		"'&audio'", "'&image'", "'&image-zoom'", "'&video'", "'&article'", "'&document'", 
		"'&app'", "'&website'", "'&still-image-film'", "'&pdf'", 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, "OPDOT", "S", "BitSequence", "BitMenu3Course", "OPDOLL", "OPBUL", 
		"OPESC", "OPRANGLES", "OPRANGLEL", "OPDANGLE", "OPU", "OPB", "OPQ", "OPA", 
		"OPP", "OPM", "OPS", "OPR", "OPC", "OPITEM", "OPLEAD", "OPPAGENUMBER", 
		"OPMARGINNUMBER", "OPHASH", "CL", "COLON", "AMP", "DBLCOLON", "PLUS", 
		"DotAt", "Greater", "Less", "RightAngle", "RightArrow", "Dot", "DBLEQ", 
		"DMM", "HSPL", "SSPL", "SSPL2", "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", 
		"AmpVideo", "AmpArticle", "AmpDocument", "AmpApp", "AmpWebsite", "AmpStillImageFilm", 
		"AmpPdf", "OpAmpAudio", "OpAmpImage", "OpAmpImageZoom", "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(sequenceParser._LITERAL_NAMES, sequenceParser._SYMBOLIC_NAMES, []);

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

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

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

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

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

	constructor(input: TokenStream) {
		super(input);
		this._interp = new ParserATNSimulator(sequenceParser._ATN, this);
	}
	// @RuleVersion(0)
	public bitmark(): BitmarkContext {
		let _localctx: BitmarkContext = new BitmarkContext(this._ctx, this.state);
		this.enterRule(_localctx, 0, sequenceParser.RULE_bitmark);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 185;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			do {
				{
				{
				this.state = 172;
				this.bitmark_();
				this.state = 182;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 1, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 176;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === sequenceParser.S) {
							{
							{
							this.state = 173;
							this.match(sequenceParser.S);
							}
							}
							this.state = 178;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 179;
						this.match(sequenceParser.NL);
						}
						}
					}
					this.state = 184;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 1, this._ctx);
				}
				}
				}
				this.state = 187;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			} while (_la === sequenceParser.BitSequence || _la === sequenceParser.BitMenu3Course);
			this.state = 192;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			while (_la === sequenceParser.NL) {
				{
				{
				this.state = 189;
				this.match(sequenceParser.NL);
				}
				}
				this.state = 194;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			}
			this.state = 195;
			this.match(sequenceParser.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, sequenceParser.RULE_bitmark_);
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 197;
			this.bit();
			}
		}
		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 bit(): BitContext {
		let _localctx: BitContext = new BitContext(this._ctx, this.state);
		this.enterRule(_localctx, 4, sequenceParser.RULE_bit);
		try {
			this.state = 201;
			this._errHandler.sync(this);
			switch (this._input.LA(1)) {
			case sequenceParser.BitSequence:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 199;
				this.sequence();
				}
				break;
			case sequenceParser.BitMenu3Course:
				this.enterOuterAlt(_localctx, 2);
				{
				this.state = 200;
				this.menu_3_course();
				}
				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 sequence(): SequenceContext {
		let _localctx: SequenceContext = new SequenceContext(this._ctx, this.state);
		this.enterRule(_localctx, 6, sequenceParser.RULE_sequence);
		let _la: number;
		try {
			let _alt: number;
			this.state = 268;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 15, this._ctx) ) {
			case 1:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 203;
				this.match(sequenceParser.BitSequence);
				this.state = 204;
				this.format();
				this.state = 205;
				this.match(sequenceParser.CL);
				this.state = 215;
				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 = 209;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === sequenceParser.NL) {
							{
							{
							this.state = 206;
							this.match(sequenceParser.NL);
							}
							}
							this.state = 211;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 212;
						this.bitElem();
						}
						}
					}
					this.state = 217;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 6, this._ctx);
				}
				}
				break;

			case 2:
				this.enterOuterAlt(_localctx, 2);
				{
				this.state = 218;
				this.match(sequenceParser.BitSequence);
				this.state = 219;
				this.format();
				this.state = 220;
				this.match(sequenceParser.CL);
				this.state = 230;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 8, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 224;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === sequenceParser.NL) {
							{
							{
							this.state = 221;
							this.match(sequenceParser.NL);
							}
							}
							this.state = 226;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 227;
						this.bitElem();
						}
						}
					}
					this.state = 232;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 8, this._ctx);
				}
				this.state = 236;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
				while (_la === sequenceParser.NL) {
					{
					{
					this.state = 233;
					this.match(sequenceParser.NL);
					}
					}
					this.state = 238;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
				}
				this.state = 239;
				this.match(sequenceParser.HSPL);
				this.state = 245;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 10, this._ctx);
				while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
					if (_alt === 1) {
						{
						{
						this.state = 240;
						this.seqstr();
						this.state = 241;
						this.minusminus();
						}
						}
					}
					this.state = 247;
					this._errHandler.sync(this);
					_alt = this.interpreter.adaptivePredict(this._input, 10, this._ctx);
				}
				this.state = 248;
				this.seqstr();
				this.state = 249;
				this.match(sequenceParser.HSPL);
				this.state = 251;
				this._errHandler.sync(this);
				switch ( this.interpreter.adaptivePredict(this._input, 11, this._ctx) ) {
				case 1:
					{
					this.state = 250;
					this.footer();
					}
					break;
				}
				this.state = 266;
				this._errHandler.sync(this);
				switch ( this.interpreter.adaptivePredict(this._input, 14, this._ctx) ) {
				case 1:
					{
					this.state = 253;
					this.resource();
					this.state = 263;
					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 = 257;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
							while (_la === sequenceParser.NL) {
								{
								{
								this.state = 254;
								this.match(sequenceParser.NL);
								}
								}
								this.state = 259;
								this._errHandler.sync(this);
								_la = this._input.LA(1);
							}
							this.state = 260;
							this.resource();
							}
							}
						}
						this.state = 265;
						this._errHandler.sync(this);
						_alt = this.interpreter.adaptivePredict(this._input, 13, this._ctx);
					}
					}
					break;
				}
				}
				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 seqstr(): SeqstrContext {
		let _localctx: SeqstrContext = new SeqstrContext(this._ctx, this.state);
		this.enterRule(_localctx, 8, sequenceParser.RULE_seqstr);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 276;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 17, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 270;
					this.bitElem();
					this.state = 272;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
					if (_la === sequenceParser.NL) {
						{
						this.state = 271;
						this.match(sequenceParser.NL);
						}
					}

					}
					}
				}
				this.state = 278;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 17, this._ctx);
			}
			this.state = 279;
			this.s_and_w();
			}
		}
		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 minusminus(): MinusminusContext {
		let _localctx: MinusminusContext = new MinusminusContext(this._ctx, this.state);
		this.enterRule(_localctx, 10, sequenceParser.RULE_minusminus);
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 281;
			this.match(sequenceParser.DMM);
			}
		}
		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 menu_3_course(): Menu_3_courseContext {
		let _localctx: Menu_3_courseContext = new Menu_3_courseContext(this._ctx, this.state);
		this.enterRule(_localctx, 12, sequenceParser.RULE_menu_3_course);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 283;
			this.match(sequenceParser.BitMenu3Course);
			this.state = 284;
			this.format();
			this.state = 285;
			this.match(sequenceParser.CL);
			this.state = 295;
			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 = 289;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
					while (_la === sequenceParser.NL) {
						{
						{
						this.state = 286;
						this.match(sequenceParser.NL);
						}
						}
						this.state = 291;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
					}
					this.state = 292;
					this.bitElem();
					}
					}
				}
				this.state = 297;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 19, this._ctx);
			}
			this.state = 301;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			while (_la === sequenceParser.NL) {
				{
				{
				this.state = 298;
				this.match(sequenceParser.NL);
				}
				}
				this.state = 303;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			}
			this.state = 304;
			this.menu_list();
			this.state = 306;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 21, this._ctx) ) {
			case 1:
				{
				this.state = 305;
				this.footer();
				}
				break;
			}
			this.state = 321;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 24, this._ctx) ) {
			case 1:
				{
				this.state = 308;
				this.resource();
				this.state = 318;
				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 = 312;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
						while (_la === sequenceParser.NL) {
							{
							{
							this.state = 309;
							this.match(sequenceParser.NL);
							}
							}
							this.state = 314;
							this._errHandler.sync(this);
							_la = this._input.LA(1);
						}
						this.state = 315;
						this.resource();
						}
						}
					}
					this.state = 320;
					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 menu_list(): Menu_listContext {
		let _localctx: Menu_listContext = new Menu_listContext(this._ctx, this.state);
		this.enterRule(_localctx, 14, sequenceParser.RULE_menu_list);
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 323;
			this.hspl_slot();
			this.state = 324;
			this.menu_text();
			this.state = 329;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 25, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					{
					this.state = 325;
					this.match(sequenceParser.HSPL);
					this.state = 326;
					this.menu_text();
					}
					}
				}
				this.state = 331;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 25, this._ctx);
			}
			this.state = 332;
			this.match(sequenceParser.HSPL);
			}
		}
		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 hspl_slot(): Hspl_slotContext {
		let _localctx: Hspl_slotContext = new Hspl_slotContext(this._ctx, this.state);
		this.enterRule(_localctx, 16, sequenceParser.RULE_hspl_slot);
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 334;
			this.match(sequenceParser.HSPL);
			}
		}
		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 menu_text(): Menu_textContext {
		let _localctx: Menu_textContext = new Menu_textContext(this._ctx, this.state);
		this.enterRule(_localctx, 18, sequenceParser.RULE_menu_text);
		try {
			this.state = 338;
			this._errHandler.sync(this);
			switch (this._input.LA(1)) {
			case sequenceParser.S:
			case sequenceParser.OPB:
			case sequenceParser.OPQ:
			case sequenceParser.OPA:
			case sequenceParser.OPS:
			case sequenceParser.COLON:
			case sequenceParser.AMP:
			case sequenceParser.Greater:
			case sequenceParser.Less:
			case sequenceParser.RightAngle:
			case sequenceParser.RightArrow:
			case sequenceParser.DBLEQ:
			case sequenceParser.NUMERIC:
			case sequenceParser.STRING:
			case sequenceParser.NOTBITMARK:
			case sequenceParser.ELIPSIS:
			case sequenceParser.SENTENCE:
			case sequenceParser.BARSTRING:
			case sequenceParser.AtExampleWithStr:
			case sequenceParser.AtExamplecol:
			case sequenceParser.AtExamplecl:
			case sequenceParser.AtSampleSolution:
			case sequenceParser.OpAtCopyright:
			case sequenceParser.AmpAudio:
			case sequenceParser.AmpImage:
			case sequenceParser.AmpVideo:
			case sequenceParser.AmpArticle:
			case sequenceParser.AmpDocument:
			case sequenceParser.AmpApp:
			case sequenceParser.AmpWebsite:
			case sequenceParser.AmpAudioLink:
			case sequenceParser.AmpImageLink:
			case sequenceParser.AmpArticleLink:
			case sequenceParser.AmpDocumentLink:
			case sequenceParser.BitmarkMinus:
			case sequenceParser.BitmarkPlus:
			case sequenceParser.URL:
			case sequenceParser.LIST_LINE:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 336;
				this.melem();
				}
				break;
			case sequenceParser.HSPL:
				this.enterOuterAlt(_localctx, 2);
				// tslint:disable-next-line:no-empty
				{
				}
				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 melem(): MelemContext {
		let _localctx: MelemContext = new MelemContext(this._ctx, this.state);
		this.enterRule(_localctx, 20, sequenceParser.RULE_melem);
		let _la: number;
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 340;
			this.mtex();
			this.state = 344;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			while ((((_la) & ~0x1F) === 0 && ((1 << _la) & ((1 << sequenceParser.S) | (1 << sequenceParser.OPB) | (1 << sequenceParser.OPQ) | (1 << sequenceParser.OPA) | (1 << sequenceParser.OPS) | (1 << sequenceParser.COLON) | (1 << sequenceParser.AMP) | (1 << sequenceParser.Greater))) !== 0) || ((((_la - 32)) & ~0x1F) === 0 && ((1 << (_la - 32)) & ((1 << (sequenceParser.Less - 32)) | (1 << (sequenceParser.RightAngle - 32)) | (1 << (sequenceParser.RightArrow - 32)) | (1 << (sequenceParser.DBLEQ - 32)) | (1 << (sequenceParser.NUMERIC - 32)) | (1 << (sequenceParser.STRING - 32)) | (1 << (sequenceParser.NOTBITMARK - 32)) | (1 << (sequenceParser.ELIPSIS - 32)) | (1 << (sequenceParser.SENTENCE - 32)) | (1 << (sequenceParser.BARSTRING - 32)) | (1 << (sequenceParser.AtExampleWithStr - 32)))) !== 0) || ((((_la - 64)) & ~0x1F) === 0 && ((1 << (_la - 64)) & ((1 << (sequenceParser.AtExamplecol - 64)) | (1 << (sequenceParser.AtExamplecl - 64)) | (1 << (sequenceParser.AtSampleSolution - 64)) | (1 << (sequenceParser.OpAtCopyright - 64)) | (1 << (sequenceParser.AmpAudio - 64)) | (1 << (sequenceParser.AmpImage - 64)) | (1 << (sequenceParser.AmpVideo - 64)) | (1 << (sequenceParser.AmpArticle - 64)) | (1 << (sequenceParser.AmpDocument - 64)) | (1 << (sequenceParser.AmpApp - 64)) | (1 << (sequenceParser.AmpWebsite - 64)))) !== 0) || ((((_la - 107)) & ~0x1F) === 0 && ((1 << (_la - 107)) & ((1 << (sequenceParser.AmpAudioLink - 107)) | (1 << (sequenceParser.AmpImageLink - 107)) | (1 << (sequenceParser.AmpArticleLink - 107)) | (1 << (sequenceParser.AmpDocumentLink - 107)) | (1 << (sequenceParser.BitmarkMinus - 107)) | (1 << (sequenceParser.BitmarkPlus - 107)))) !== 0) || _la === sequenceParser.URL || _la === sequenceParser.LIST_LINE) {
				{
				{
				this.state = 341;
				this.mtex();
				}
				}
				this.state = 346;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
			}
			}
		}
		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 mtex(): MtexContext {
		let _localctx: MtexContext = new MtexContext(this._ctx, this.state);
		this.enterRule(_localctx, 22, sequenceParser.RULE_mtex);
		let _la: number;
		try {
			this.state = 366;
			this._errHandler.sync(this);
			switch (this._input.LA(1)) {
			case sequenceParser.S:
			case sequenceParser.OPS:
			case sequenceParser.COLON:
			case sequenceParser.AMP:
			case sequenceParser.Greater:
			case sequenceParser.Less:
			case sequenceParser.RightAngle:
			case sequenceParser.RightArrow:
			case sequenceParser.DBLEQ:
			case sequenceParser.NUMERIC:
			case sequenceParser.STRING:
			case sequenceParser.NOTBITMARK:
			case sequenceParser.ELIPSIS:
			case sequenceParser.SENTENCE:
			case sequenceParser.BARSTRING:
			case sequenceParser.AmpAudio:
			case sequenceParser.AmpImage:
			case sequenceParser.AmpVideo:
			case sequenceParser.AmpArticle:
			case sequenceParser.AmpDocument:
			case sequenceParser.AmpApp:
			case sequenceParser.AmpWebsite:
			case sequenceParser.AmpAudioLink:
			case sequenceParser.AmpImageLink:
			case sequenceParser.AmpArticleLink:
			case sequenceParser.AmpDocumentLink:
			case sequenceParser.BitmarkMinus:
			case sequenceParser.BitmarkPlus:
			case sequenceParser.URL:
			case sequenceParser.LIST_LINE:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 347;
				this.s_and_w();
				this.state = 351;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
				while (_la === sequenceParser.NL) {
					{
					{
					this.state = 348;
					this.match(sequenceParser.NL);
					}
					}
					this.state = 353;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
				}
				}
				break;
			case sequenceParser.OPB:
			case sequenceParser.OPQ:
			case sequenceParser.OPA:
			case sequenceParser.AtExampleWithStr:
			case sequenceParser.AtExamplecol:
			case sequenceParser.AtExamplecl:
			case sequenceParser.AtSampleSolution:
			case sequenceParser.OpAtCopyright:
				this.enterOuterAlt(_localctx, 2);
				{
				this.state = 358;
				this._errHandler.sync(this);
				switch (this._input.LA(1)) {
				case sequenceParser.OPB:
					{
					this.state = 354;
					this.instruction();
					}
					break;
				case sequenceParser.OPA:
				case sequenceParser.AtSampleSolution:
				case sequenceParser.OpAtCopyright:
					{
					this.state = 355;
					this.atdef();
					}
					break;
				case sequenceParser.OPQ:
					{
					this.state = 356;
					this.hint();
					}
					break;
				case sequenceParser.AtExampleWithStr:
				case sequenceParser.AtExamplecol:
				case sequenceParser.AtExamplecl:
					{
					this.state = 357;
					this.example();
					}
					break;
				default:
					throw new NoViableAltException(this);
				}
				this.state = 363;
				this._errHandler.sync(this);
				_la = this._input.LA(1);
				while (_la === sequenceParser.NL) {
					{
					{
					this.state = 360;
					this.match(sequenceParser.NL);
					}
					}
					this.state = 365;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
				}
				}
				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 footer(): FooterContext {
		let _localctx: FooterContext = new FooterContext(this._ctx, this.state);
		this.enterRule(_localctx, 24, sequenceParser.RULE_footer);
		let _la: number;
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 375;
			this._errHandler.sync(this);
			_alt = 1;
			do {
				switch (_alt) {
				case 1:
					{
					{
					this.state = 371;
					this._errHandler.sync(this);
					_la = this._input.LA(1);
					while (_la === sequenceParser.NL) {
						{
						{
						this.state = 368;
						this.match(sequenceParser.NL);
						}
						}
						this.state = 373;
						this._errHandler.sync(this);
						_la = this._input.LA(1);
					}
					this.state = 374;
					this.s_and_w();
					}
					}
					break;
				default:
					throw new NoViableAltException(this);
				}
				this.state = 377;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 33, this._ctx);
			} while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER);
			this.state = 380;
			this._errHandler.sync(this);
			_alt = 1;
			do {
				switch (_alt) {
				case 1:
					{
					{
					this.state = 379;
					this.match(sequenceParser.NL);
					}
					}
					break;
				default:
					throw new NoViableAltException(this);
				}
				this.state = 382;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 34, this._ctx);
			} while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER);
			}
		}
		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, 26, sequenceParser.RULE_bitElem);
		try {
			this.state = 410;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 35, this._ctx) ) {
			case 1:
				this.enterOuterAlt(_localctx, 1);
				{
				this.state = 384;
				this.match(sequenceParser.LIST_LINE);
				}
				break;

			case 2:
				this.enterOuterAlt(_localctx, 2);
				{
				this.state = 385;
				this.match(sequenceParser.NOTBITMARK);
				}
				break;

			case 3:
				this.enterOuterAlt(_localctx, 3);
				{
				this.state = 386;
				this.dclines();
				}
				break;

			case 4:
				this.enterOuterAlt(_localctx, 4);
				{
				this.state = 387;
				this.gap();
				}
				break;

			case 5:
				this.enterOuterAlt(_localctx, 5);
				{
				this.state = 388;
				this.atdef();
				}
				break;

			case 6:
				this.enterOuterAlt(_localctx, 6);
				{
				this.state = 389;
				this.reference();
				}
				break;

			case 7:
				this.enterOuterAlt(_localctx, 7);
				{
				this.state = 390;
				this.dollarans();
				}
				break;

			case 8:
				this.enterOuterAlt(_localctx, 8);
				{
				this.state = 391;
				this.item();
				}
				break;

			case 9:
				this.enterOuterAlt(_localctx, 9);
				{
				this.state = 392;
				this.title();
				}
				break;

			case 10:
				this.enterOuterAlt(_localctx, 10);
				{
				this.state = 393;
				this.instruction();
				}
				break;

			case 11:
				this.enterOuterAlt(_localctx, 11);
				{
				this.state = 394;
				this.hint();
				}
				break;

			case 12:
				this.enterOuterAlt(_localctx, 12);
				{
				this.state = 395;
				this.s_and_w();
				}
				break;

			case 13:
				this.enterOuterAlt(_localctx, 13);
				{
				this.state = 396;
				this.example();
				}
				break;

			case 14:
				this.enterOuterAlt(_localctx, 14);
				{
				this.state = 397;
				this.bool_label();
				}
				break;

			case 15:
				this.enterOuterAlt(_localctx, 15);
				{
				this.state = 398;
				this.imagebit();
				}
				break;

			case 16:
				this.enterOuterAlt(_localctx, 16);
				{
				this.state = 399;
				this.audiobit();
				}
				break;

			case 17:
				this.enterOuterAlt(_localctx, 17);
				{
				this.state = 400;
				this.videobit();
				}
				break;

			case 18:
				this.enterOuterAlt(_localctx, 18);
				{
				this.state = 401;
				this.articlebit();
				}
				break;

			case 19:
				this.enterOuterAlt(_localctx, 19);
				{
				this.state = 402;
				this.documentbit();
				}
				break;

			case 20:
				this.enterOuterAlt(_localctx, 20);
				{
				this.state = 403;
				this.appbit();
				}
				break;

			case 21:
				this.enterOuterAlt(_localctx, 21);
				{
				this.state = 404;
				this.websitebit();
				}
				break;

			case 22:
				this.enterOuterAlt(_localctx, 22);
				{
				this.state = 405;
				this.stillimagefilmbit();
				}
				break;

			case 23:
				this.enterOuterAlt(_localctx, 23);
				{
				this.state = 406;
				this.angleref();
				}
				break;

			case 24:
				this.enterOuterAlt(_localctx, 24);
				{
				this.state = 407;
				this.anchor();
				}
				break;

			case 25:
				this.enterOuterAlt(_localctx, 25);
				{
				this.state = 408;
				this.bracketed_text();
				}
				break;

			case 26:
				this.enterOuterAlt(_localctx, 26);
				{
				this.state = 409;
				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 gap(): GapContext {
		let _localctx: GapContext = new GapContext(this._ctx, this.state);
		this.enterRule(_localctx, 28, sequenceParser.RULE_gap);
		try {
			let _alt: number;
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 412;
			this.single_gap();
			this.state = 420;
			this._errHandler.sync(this);
			_alt = this.interpreter.adaptivePredict(this._input, 37, this._ctx);
			while (_alt !== 2 && _alt !== ATN.INVALID_ALT_NUMBER) {
				if (_alt === 1) {
					{
					this.state = 418;
					this._errHandler.sync(this);
					switch (this._input.LA(1)) {
					case sequenceParser.OPU:
						{
						this.state = 413;
						this.single_gap();
						}
						break;
					case sequenceParser.OPB:
						{
						this.state = 414;
						this.instruction();
						}
						break;
					case sequenceParser.OPQ:
						{
						this.state = 415;
						this.hint();
						}
						break;
					case sequenceParser.OPC:
					case sequenceParser.OPITEM:
						{
						this.state = 416;
						this.item();
						}
						break;
					case sequenceParser.AtExampleWithStr:
					case sequenceParser.AtExamplecol:
					case sequenceParser.AtExamplecl:
						{
						this.state = 417;
						this.example();
						}
						break;
					default:
						throw new NoViableAltException(this);
					}
					}
				}
				this.state = 422;
				this._errHandler.sync(this);
				_alt = this.interpreter.adaptivePredict(this._input, 37, 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, 30, sequenceParser.RULE_single_gap);
		let _la: number;
		try {
			this.enterOuterAlt(_localctx, 1);
			{
			this.state = 423;
			this.match(sequenceParser.OPU);
			this.state = 427;
			this._errHandler.sync(this);
			switch ( this.interpreter.adaptivePredict(this._input, 38, this._ctx) ) {
			case 1:
				{
				this.state = 424;
				this.match(sequenceParser.NUMERIC);
				}
				break;

			case 2:
				{
				this.state = 425;
				this.match(sequenceParser.STRING);
				}
				break;

			case 3:
				// tslint:disable-next-line:no-empty
				{
				}
				break;
			}
			this.state = 432;
			this._errHandler.sync(this);
			_la = this._input.LA(1);
			while ((((_la) & ~0x1F) === 0 && ((1 << _la) & ((1 << sequenceParser.S) | (1 << sequenceParser.OPS) | (1 << sequenceParser.COLON) | (1 << sequenceParser.AMP) | (1 << sequenceParser.Greater))) !== 0) || ((((_la - 32)) & ~0x1F) === 0 && ((1 << (_la - 32)) & ((1 << (sequenceParser.Less - 32)) | (1 << (sequenceParser.RightAngle - 32)) | (1 << (sequenceParser.RightArrow - 32)) | (1 << (sequenceParser.DBLEQ - 32)) | (1 << (sequenceParser.NUMERIC - 32)) | (1 << (sequenceParser.STRING - 32)) | (1 << (sequenceParser.NOTBITMARK - 32)) | (1 << (sequenceParser.ELIPSIS - 32)) | (1 << (sequenceParser.SENTENCE - 32)) | (1 << (sequenceParser.BARSTRING - 32)))) !== 0) || ((((_la - 86)) & ~0x1F) === 0 && ((1 << (_la - 86)) & ((1 << (sequenceParser.AmpAudio - 86)) | (1 << (sequenceParser.AmpImage - 86)) | (1 << (sequenceParser.AmpVideo - 86)) | (1 << (sequenceParser.AmpArticle - 86)) | (1 << (sequenceParser.AmpDoc