// $ANTLR start "ruleLookAhead0" // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:165:1: ruleLookAhead0 returns [EObject current=null] : (otherlv_0= 'bar' ( (lv_x_1_0= 'a' ) ) ) ; public final EObject ruleLookAhead0() throws RecognitionException { EObject current = null; Token otherlv_0 = null; Token lv_x_1_0 = null; enterRule(); try { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:168:28: ( (otherlv_0= 'bar' ( (lv_x_1_0= 'a' ) ) ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:169:1: (otherlv_0= 'bar' ( (lv_x_1_0= 'a' ) ) ) { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:169:1: (otherlv_0= 'bar' ( (lv_x_1_0= 'a' ) ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:169:3: otherlv_0= 'bar' ( (lv_x_1_0= 'a' ) ) { otherlv_0 = (Token) match(input, 11, FollowSets000.FOLLOW_11_in_ruleLookAhead0359); newLeafNode(otherlv_0, grammarAccess.getLookAhead0Access().getBarKeyword_0()); // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:173:1: ( (lv_x_1_0= 'a' ) ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:174:1: (lv_x_1_0= 'a' ) { // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:174:1: (lv_x_1_0= 'a' ) // ../org.eclipse.xtext.tests/src-gen/org/eclipse/xtext/testlanguages/parser/antlr/internal/InternalLookaheadTestLanguage.g:175:3: lv_x_1_0= 'a' { lv_x_1_0 = (Token) match(input, 12, FollowSets000.FOLLOW_12_in_ruleLookAhead0377); newLeafNode(lv_x_1_0, grammarAccess.getLookAhead0Access().getXAKeyword_1_0()); if (current == null) { current = createModelElement(grammarAccess.getLookAhead0Rule()); } setWithLastConsumed(current, "x", lv_x_1_0, "a"); } } } } leaveRule(); } catch (RecognitionException re) { recover(input, re); appendSkippedTokens(); } finally { } return current; }
/** Constraint: x='a' */ protected void sequence_LookAhead0(EObject context, LookAhead0 semanticObject) { if (errorAcceptor != null) { if (transientValues.isValueTransient(semanticObject, LookaheadLangPackage.Literals.ALTS__X) == ValueTransient.YES) errorAcceptor.accept( diagnosticProvider.createFeatureValueMissing( semanticObject, LookaheadLangPackage.Literals.ALTS__X)); } INodesForEObjectProvider nodes = createNodeProvider(semanticObject); SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes); feeder.accept(grammarAccess.getLookAhead0Access().getXAKeyword_1_0(), semanticObject.getX()); feeder.finish(); }