/** Constraint: (y=LookAhead2 x='b' z='d') */ protected void sequence_LookAhead1(EObject context, LookAhead1 semanticObject) { if (errorAcceptor != null) { if (transientValues.isValueTransient(semanticObject, LookaheadLangPackage.Literals.ALTS__X) == ValueTransient.YES) errorAcceptor.accept( diagnosticProvider.createFeatureValueMissing( semanticObject, LookaheadLangPackage.Literals.ALTS__X)); if (transientValues.isValueTransient( semanticObject, LookaheadLangPackage.Literals.LOOK_AHEAD1__Y) == ValueTransient.YES) errorAcceptor.accept( diagnosticProvider.createFeatureValueMissing( semanticObject, LookaheadLangPackage.Literals.LOOK_AHEAD1__Y)); if (transientValues.isValueTransient( semanticObject, LookaheadLangPackage.Literals.LOOK_AHEAD1__Z) == ValueTransient.YES) errorAcceptor.accept( diagnosticProvider.createFeatureValueMissing( semanticObject, LookaheadLangPackage.Literals.LOOK_AHEAD1__Z)); } INodesForEObjectProvider nodes = createNodeProvider(semanticObject); SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes); feeder.accept( grammarAccess.getLookAhead1Access().getYLookAhead2ParserRuleCall_1_0(), semanticObject.getY()); feeder.accept(grammarAccess.getLookAhead1Access().getXBKeyword_2_0(), semanticObject.getX()); feeder.accept(grammarAccess.getLookAhead1Access().getZDKeyword_3_0(), semanticObject.getZ()); feeder.finish(); }
// $ANTLR start "ruleLookAhead1" // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:205:1: ruleLookAhead1 returns [EObject current=null] : (otherlv_0= 'foo' ( (lv_y_1_0= ruleLookAhead2 ) ) ( (lv_x_2_0= 'b' ) ) ( (lv_x_3_0= 'd' ) ) ) ; public final EObject ruleLookAhead1() throws RecognitionException { EObject current = null; Token otherlv_0 = null; Token lv_x_2_0 = null; Token lv_x_3_0 = null; EObject lv_y_1_0 = null; enterRule(); try { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:208:28: ( (otherlv_0= 'foo' ( (lv_y_1_0= ruleLookAhead2 ) ) ( (lv_x_2_0= 'b' ) ) ( (lv_x_3_0= 'd' ) ) ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:209:1: (otherlv_0= 'foo' ( (lv_y_1_0= ruleLookAhead2 ) ) ( (lv_x_2_0= 'b' ) ) ( (lv_x_3_0= 'd' ) ) ) { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:209:1: (otherlv_0= 'foo' ( (lv_y_1_0= ruleLookAhead2 ) ) ( (lv_x_2_0= 'b' ) ) ( (lv_x_3_0= 'd' ) ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:209:3: otherlv_0= 'foo' ( (lv_y_1_0= ruleLookAhead2 ) ) ( (lv_x_2_0= 'b' ) ) ( (lv_x_3_0= 'd' ) ) { otherlv_0 = (Token) match(input, 13, FollowSets000.FOLLOW_13_in_ruleLookAhead1473); newLeafNode(otherlv_0, grammarAccess.getLookAhead1Access().getFooKeyword_0()); // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:213:1: ( (lv_y_1_0= ruleLookAhead2 ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:214:1: (lv_y_1_0= ruleLookAhead2 ) { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:214:1: (lv_y_1_0= ruleLookAhead2 ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:215:3: lv_y_1_0= ruleLookAhead2 { newCompositeNode( grammarAccess.getLookAhead1Access().getYLookAhead2ParserRuleCall_1_0()); pushFollow(FollowSets000.FOLLOW_ruleLookAhead2_in_ruleLookAhead1494); lv_y_1_0 = ruleLookAhead2(); state._fsp--; if (current == null) { current = createModelElementForParent(grammarAccess.getLookAhead1Rule()); } set(current, "y", lv_y_1_0, "LookAhead2"); afterParserOrEnumRuleCall(); } } // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:231:2: ( (lv_x_2_0= 'b' ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:232:1: (lv_x_2_0= 'b' ) { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:232:1: (lv_x_2_0= 'b' ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:233:3: lv_x_2_0= 'b' { lv_x_2_0 = (Token) match(input, 14, FollowSets000.FOLLOW_14_in_ruleLookAhead1512); newLeafNode(lv_x_2_0, grammarAccess.getLookAhead1Access().getXBKeyword_2_0()); if (current == null) { current = createModelElement(grammarAccess.getLookAhead1Rule()); } setWithLastConsumed(current, "x", lv_x_2_0, "b"); } } // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:246:2: ( (lv_x_3_0= 'd' ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:247:1: (lv_x_3_0= 'd' ) { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:247:1: (lv_x_3_0= 'd' ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:248:3: lv_x_3_0= 'd' { lv_x_3_0 = (Token) match(input, 15, FollowSets000.FOLLOW_15_in_ruleLookAhead1543); newLeafNode(lv_x_3_0, grammarAccess.getLookAhead1Access().getXDKeyword_3_0()); if (current == null) { current = createModelElement(grammarAccess.getLookAhead1Rule()); } setWithLastConsumed(current, "x", lv_x_3_0, "d"); } } } } leaveRule(); } catch (RecognitionException re) { recover(input, re); appendSkippedTokens(); } finally { } return current; }