FeatherBaseListener.java

// Generated from Feather.g4 by ANTLR 4.5.3

import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.tree.ErrorNode;
import org.antlr.v4.runtime.tree.TerminalNode;

/**
 * This class provides an empty implementation of {@link FeatherListener},
 * which can be extended to create a listener which only needs to handle a subset
 * of the available methods.
 */
public class FeatherBaseListener implements FeatherListener {
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterS(FeatherParser.SContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitS(FeatherParser.SContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDeclarations(FeatherParser.DeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDeclarations(FeatherParser.DeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureDeclarations(FeatherParser.FeatureDeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureDeclarations(FeatherParser.FeatureDeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRootFeature(FeatherParser.RootFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRootFeature(FeatherParser.RootFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureDec(FeatherParser.FeatureDecContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureDec(FeatherParser.FeatureDecContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDecompRelDeclaration(FeatherParser.DecompRelDeclarationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDecompRelDeclaration(FeatherParser.DecompRelDeclarationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttributeDeclarations(FeatherParser.AttributeDeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttributeDeclarations(FeatherParser.AttributeDeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttributeDec(FeatherParser.AttributeDecContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttributeDec(FeatherParser.AttributeDecContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAssignedValue(FeatherParser.AssignedValueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAssignedValue(FeatherParser.AssignedValueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCrossTreeConstraintDeclarations(FeatherParser.CrossTreeConstraintDeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCrossTreeConstraintDeclarations(FeatherParser.CrossTreeConstraintDeclarationsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCrossTreeConstraintDec(FeatherParser.CrossTreeConstraintDecContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCrossTreeConstraintDec(FeatherParser.CrossTreeConstraintDecContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCommands(FeatherParser.CommandsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCommands(FeatherParser.CommandsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterACommand(FeatherParser.ACommandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitACommand(FeatherParser.ACommandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAddFeature(FeatherParser.AddFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAddFeature(FeatherParser.AddFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUpdateFeature(FeatherParser.UpdateFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUpdateFeature(FeatherParser.UpdateFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUpdateMultipleFeatures(FeatherParser.UpdateMultipleFeaturesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUpdateMultipleFeatures(FeatherParser.UpdateMultipleFeaturesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRemoveFeature(FeatherParser.RemoveFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRemoveFeature(FeatherParser.RemoveFeatureContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRemoveMultipleFeatures(FeatherParser.RemoveMultipleFeaturesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRemoveMultipleFeatures(FeatherParser.RemoveMultipleFeaturesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAddConstraint(FeatherParser.AddConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAddConstraint(FeatherParser.AddConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUpdateConstraint(FeatherParser.UpdateConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUpdateConstraint(FeatherParser.UpdateConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUpdateMultipleConstraints(FeatherParser.UpdateMultipleConstraintsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUpdateMultipleConstraints(FeatherParser.UpdateMultipleConstraintsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRemoveConstraint(FeatherParser.RemoveConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRemoveConstraint(FeatherParser.RemoveConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRemoveMultipleConstraints(FeatherParser.RemoveMultipleConstraintsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRemoveMultipleConstraints(FeatherParser.RemoveMultipleConstraintsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureDescription(FeatherParser.FeatureDescriptionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureDescription(FeatherParser.FeatureDescriptionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureNameDescription(FeatherParser.FeatureNameDescriptionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureNameDescription(FeatherParser.FeatureNameDescriptionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterConstraintDescription(FeatherParser.ConstraintDescriptionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitConstraintDescription(FeatherParser.ConstraintDescriptionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterWhereClause(FeatherParser.WhereClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitWhereClause(FeatherParser.WhereClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttributeList(FeatherParser.AttributeListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttributeList(FeatherParser.AttributeListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStructuralAttributeAssignments(FeatherParser.StructuralAttributeAssignmentsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStructuralAttributeAssignments(FeatherParser.StructuralAttributeAssignmentsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSettingLocation(FeatherParser.SettingLocationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSettingLocation(FeatherParser.SettingLocationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSettingDecomposition(FeatherParser.SettingDecompositionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSettingDecomposition(FeatherParser.SettingDecompositionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttributeAssignments(FeatherParser.AttributeAssignmentsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttributeAssignments(FeatherParser.AttributeAssignmentsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttrAssign(FeatherParser.AttrAssignContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttrAssign(FeatherParser.AttrAssignContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttributeValue(FeatherParser.AttributeValueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttributeValue(FeatherParser.AttributeValueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureUpdates(FeatherParser.FeatureUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureUpdates(FeatherParser.FeatureUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatUpdate(FeatherParser.FeatUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatUpdate(FeatherParser.FeatUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSettingName(FeatherParser.SettingNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSettingName(FeatherParser.SettingNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLimitedFeatureUpdates(FeatherParser.LimitedFeatureUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLimitedFeatureUpdates(FeatherParser.LimitedFeatureUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLimitedFeatUpdate(FeatherParser.LimitedFeatUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLimitedFeatUpdate(FeatherParser.LimitedFeatUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterConstraintUpdates(FeatherParser.ConstraintUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitConstraintUpdates(FeatherParser.ConstraintUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterConstUpdate(FeatherParser.ConstUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitConstUpdate(FeatherParser.ConstUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLimitedConstraintUpdates(FeatherParser.LimitedConstraintUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLimitedConstraintUpdates(FeatherParser.LimitedConstraintUpdatesContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDecompRelValue(FeatherParser.DecompRelValueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDecompRelValue(FeatherParser.DecompRelValueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBasicCrossTreeConstraint(FeatherParser.BasicCrossTreeConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBasicCrossTreeConstraint(FeatherParser.BasicCrossTreeConstraintContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterArithmeticExpression(FeatherParser.ArithmeticExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitArithmeticExpression(FeatherParser.ArithmeticExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterArithmeticOperand(FeatherParser.ArithmeticOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitArithmeticOperand(FeatherParser.ArithmeticOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterHighArithOp(FeatherParser.HighArithOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitHighArithOp(FeatherParser.HighArithOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLowArithOp(FeatherParser.LowArithOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLowArithOp(FeatherParser.LowArithOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBooleanExpression(FeatherParser.BooleanExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBooleanExpression(FeatherParser.BooleanExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBooleanOperand(FeatherParser.BooleanOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBooleanOperand(FeatherParser.BooleanOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRelOp(FeatherParser.RelOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRelOp(FeatherParser.RelOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStringEqualityCheck(FeatherParser.StringEqualityCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStringEqualityCheck(FeatherParser.StringEqualityCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStringOperand(FeatherParser.StringOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStringOperand(FeatherParser.StringOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEqCheckOp(FeatherParser.EqCheckOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEqCheckOp(FeatherParser.EqCheckOpContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDecompRelTypeCheck(FeatherParser.DecompRelTypeCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDecompRelTypeCheck(FeatherParser.DecompRelTypeCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDecompRelIDCheck(FeatherParser.DecompRelIDCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDecompRelIDCheck(FeatherParser.DecompRelIDCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBooleanEqualityCheck(FeatherParser.BooleanEqualityCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBooleanEqualityCheck(FeatherParser.BooleanEqualityCheckContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBoolEqOperand(FeatherParser.BoolEqOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBoolEqOperand(FeatherParser.BoolEqOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureName(FeatherParser.FeatureNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureName(FeatherParser.FeatureNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterParentName(FeatherParser.ParentNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitParentName(FeatherParser.ParentNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAttributeName(FeatherParser.AttributeNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAttributeName(FeatherParser.AttributeNameContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFeatureVar(FeatherParser.FeatureVarContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFeatureVar(FeatherParser.FeatureVarContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBool_literal(FeatherParser.Bool_literalContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBool_literal(FeatherParser.Bool_literalContext ctx) { }

	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEveryRule(ParserRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEveryRule(ParserRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void visitTerminal(TerminalNode node) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void visitErrorNode(ErrorNode node) { }
}