UNPKG

bitmark-grammar

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// 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 { NoViableAltException } from "antlr4ts/NoViableAltException"; import { Parser } from "antlr4ts/Parser"; import { ParserRuleContext } from "antlr4ts/ParserRuleContext"; import { ParserATNSimulator } from "antlr4ts/atn/ParserATNSimulator"; import { RecognitionException } from "antlr4ts/RecognitionException"; import { Token } from "antlr4ts/Token"; import { VocabularyImpl } from "antlr4ts/VocabularyImpl"; import * as Utils from "antlr4ts/misc/Utils"; export class clozeParser extends Parser { constructor(input) { super(input); this._interp = new ParserATNSimulator(clozeParser._ATN, this); } // @Override // @NotNull get vocabulary() { return clozeParser.VOCABULARY; } // tslint:enable:no-trailing-whitespace // @Override get grammarFileName() { return "clozeParser.g4"; } // @Override get ruleNames() { return clozeParser.ruleNames; } // @Override get serializedATN() { return clozeParser._serializedATN; } createFailedPredicateException(predicate, message) { return new FailedPredicateException(this, predicate, message); } // @RuleVersion(0) bitmark() { let _localctx = new BitmarkContext(this._ctx, this.state); this.enterRule(_localctx, 0, clozeParser.RULE_bitmark); let _la; 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) bitmark_() { let _localctx = 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) clozes() { let _localctx = 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) bitElem() { let _localctx = new BitElemContext(this._ctx, this.state); this.enterRule(_localctx, 6, clozeParser.RULE_bitElem); try { let _alt; 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) resource() { let _localctx = 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) cloze() { let _localctx = new ClozeContext(this._ctx, this.state); this.enterRule(_localctx, 10, clozeParser.RULE_cloze); let _la; try { let _alt; 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) cloze_instruction_grouped() { let _localctx = new Cloze_instruction_groupedContext(this._ctx, this.state); this.enterRule(_localctx, 12, clozeParser.RULE_cloze_instruction_grouped); let _la; try { let _alt; 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) cloze_solution_grouped() { let _localctx = new Cloze_solution_groupedContext(this._ctx, this.state); this.enterRule(_localctx, 14, clozeParser.RULE_cloze_solution_grouped); let _la; try { let _alt; 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) gap() { let _localctx = new GapContext(this._ctx, this.state); this.enterRule(_localctx, 16, clozeParser.RULE_gap); try { let _alt; 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) single_gap() { let _localctx = new Single_gapContext(this._ctx, this.state); this.enterRule(_localctx, 18, clozeParser.RULE_single_gap); try { let _alt; 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) cloze_and_multiple_choice_text() { let _localctx = new Cloze_and_multiple_choice_textContext(this._ctx, this.state); this.enterRule(_localctx, 20, clozeParser.RULE_cloze_and_multiple_choice_text); let _la; try { let _alt; 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;