/*******************************************************************************

 * Copyright (c) 2000, 2006 IBM Corporation and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     IBM Corporation - initial API and implementation

 *******************************************************************************/

package org.aspectj.org.eclipse.jdt.internal.compiler;



import org.aspectj.org.eclipse.jdt.core.compiler.IProblem;

import org.aspectj.org.eclipse.jdt.internal.compiler.ast.*;

import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BlockScope;

import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ClassScope;

import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope;

import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodScope;



/** 

 * A visitor for iterating through the parse tree.

 */

public abstract class ASTVisitor {

	public void acceptProblem(IProblem problem) {

		// do nothing by default

	}

	public void endVisit(

		AllocationExpression allocationExpression,

		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(AND_AND_Expression and_and_Expression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

			AnnotationMethodDeclaration annotationTypeDeclaration,

			ClassScope classScope) {

			// do nothing by default

	}	

	public void endVisit(Argument argument, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Argument argument,ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		ArrayAllocationExpression arrayAllocationExpression,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ArrayInitializer arrayInitializer, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		ArrayQualifiedTypeReference arrayQualifiedTypeReference,

		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		ArrayQualifiedTypeReference arrayQualifiedTypeReference,

		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(ArrayReference arrayReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ArrayTypeReference arrayTypeReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ArrayTypeReference arrayTypeReference, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(AssertStatement assertStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Assignment assignment, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(BinaryExpression binaryExpression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Block block, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(BreakStatement breakStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(CaseStatement caseStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(CastExpression castExpression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(CharLiteral charLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ClassLiteralAccess classLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Clinit clinit, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(

		CompilationUnitDeclaration compilationUnitDeclaration,

		CompilationUnitScope scope) {

		// do nothing by default

	}

	public void endVisit(CompoundAssignment compoundAssignment, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

			ConditionalExpression conditionalExpression,

			BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		ConstructorDeclaration constructorDeclaration,

		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(ContinueStatement continueStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(DoStatement doStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(DoubleLiteral doubleLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(EmptyStatement emptyStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(EqualExpression equalExpression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		ExplicitConstructorCall explicitConstructor,

		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		ExtendedStringLiteral extendedStringLiteral,

		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(FalseLiteral falseLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(FieldDeclaration fieldDeclaration, MethodScope scope) {

		// do nothing by default

	}

	public void endVisit(FieldReference fieldReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(FieldReference fieldReference, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(FloatLiteral floatLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ForeachStatement forStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ForStatement forStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(IfStatement ifStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ImportReference importRef, CompilationUnitScope scope) {

		// do nothing by default

	}

	public void endVisit(Initializer initializer, MethodScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		InstanceOfExpression instanceOfExpression,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(IntLiteral intLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Javadoc javadoc, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Javadoc javadoc, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocAllocationExpression expression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocAllocationExpression expression, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocArgumentExpression expression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocArgumentExpression expression, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocArrayQualifiedTypeReference typeRef, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocArrayQualifiedTypeReference typeRef, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocArraySingleTypeReference typeRef, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocArraySingleTypeReference typeRef, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocFieldReference fieldRef, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocFieldReference fieldRef, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocImplicitTypeReference implicitTypeReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocImplicitTypeReference implicitTypeReference, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocMessageSend messageSend, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocMessageSend messageSend, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocQualifiedTypeReference typeRef, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocQualifiedTypeReference typeRef, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocReturnStatement statement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocReturnStatement statement, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocSingleNameReference argument, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocSingleNameReference argument, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocSingleTypeReference typeRef, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(JavadocSingleTypeReference typeRef, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(LabeledStatement labeledStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(LocalDeclaration localDeclaration, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(LongLiteral longLiteral, BlockScope scope) {

		// do nothing by default

	}

	/**

	 * @param annotation

	 * @param scope

	 * @since 3.1

	 */

	public void endVisit(MarkerAnnotation annotation, BlockScope scope) {

		// do nothing by default

	}

	/**

	 * @param pair

	 * @param scope

	 */

	public void endVisit(MemberValuePair pair, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(MessageSend messageSend, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(MethodDeclaration methodDeclaration, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(StringLiteralConcatenation literal, BlockScope scope) {

		// do nothing by default

	}

	/**

	 * @param annotation

	 * @param scope

	 * @since 3.1

	 */

	public void endVisit(NormalAnnotation annotation, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(NullLiteral nullLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(OR_OR_Expression or_or_Expression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ParameterizedQualifiedTypeReference parameterizedQualifiedTypeReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ParameterizedQualifiedTypeReference parameterizedQualifiedTypeReference, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(ParameterizedSingleTypeReference parameterizedSingleTypeReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ParameterizedSingleTypeReference parameterizedSingleTypeReference, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(PostfixExpression postfixExpression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(PrefixExpression prefixExpression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedAllocationExpression qualifiedAllocationExpression,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		QualifiedNameReference qualifiedNameReference,

		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

			QualifiedNameReference qualifiedNameReference,

			ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedSuperReference qualifiedSuperReference,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedSuperReference qualifiedSuperReference,

    		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedThisReference qualifiedThisReference,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedThisReference qualifiedThisReference,

    		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedTypeReference qualifiedTypeReference,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		QualifiedTypeReference qualifiedTypeReference,

    		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(ReturnStatement returnStatement, BlockScope scope) {

		// do nothing by default

	}

	/**

	 * @param annotation

	 * @param scope

	 * @since 3.1

	 */

	public void endVisit(SingleMemberAnnotation annotation, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		SingleNameReference singleNameReference,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

			SingleNameReference singleNameReference,

			ClassScope scope) {

			// do nothing by default

	}

	public void endVisit(

    		SingleTypeReference singleTypeReference,

    		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

    		SingleTypeReference singleTypeReference,

    		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(StringLiteral stringLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(SuperReference superReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(SwitchStatement switchStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		SynchronizedStatement synchronizedStatement,

		BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ThisReference thisReference, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(ThisReference thisReference, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(ThrowStatement throwStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(TrueLiteral trueLiteral, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(TryStatement tryStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(

		TypeDeclaration localTypeDeclaration,

		BlockScope scope) {

		// do nothing by default

	}	

	public void endVisit(

		TypeDeclaration memberTypeDeclaration,

		ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(

		TypeDeclaration typeDeclaration,

		CompilationUnitScope scope) {

		// do nothing by default

	}

	public void endVisit(TypeParameter typeParameter, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(TypeParameter typeParameter, ClassScope scope) {

		// do nothing by default

	}

	public void endVisit(UnaryExpression unaryExpression, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(WhileStatement whileStatement, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Wildcard wildcard, BlockScope scope) {

		// do nothing by default

	}

	public void endVisit(Wildcard wildcard, ClassScope scope) {

		// do nothing by default

	}

	public boolean visit(

    		AllocationExpression allocationExpression,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(AND_AND_Expression and_and_Expression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			AnnotationMethodDeclaration annotationTypeDeclaration,

			ClassScope classScope) {

		return true; // do nothing by default, keep traversing

	}	

	public boolean visit(Argument argument, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Argument argument, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		ArrayAllocationExpression arrayAllocationExpression,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ArrayInitializer arrayInitializer, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		ArrayQualifiedTypeReference arrayQualifiedTypeReference,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		ArrayQualifiedTypeReference arrayQualifiedTypeReference,

		ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ArrayReference arrayReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ArrayTypeReference arrayTypeReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ArrayTypeReference arrayTypeReference, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(AssertStatement assertStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Assignment assignment, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(BinaryExpression binaryExpression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Block block, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(BreakStatement breakStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(CaseStatement caseStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(CastExpression castExpression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(CharLiteral charLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ClassLiteralAccess classLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Clinit clinit, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		CompilationUnitDeclaration compilationUnitDeclaration,

		CompilationUnitScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(CompoundAssignment compoundAssignment, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		ConditionalExpression conditionalExpression,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		ConstructorDeclaration constructorDeclaration,

		ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ContinueStatement continueStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(DoStatement doStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(DoubleLiteral doubleLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(EmptyStatement emptyStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(EqualExpression equalExpression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		ExplicitConstructorCall explicitConstructor,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		ExtendedStringLiteral extendedStringLiteral,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(FalseLiteral falseLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(FieldDeclaration fieldDeclaration, MethodScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(FieldReference fieldReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(FieldReference fieldReference, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(FloatLiteral floatLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ForeachStatement forStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ForStatement forStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(IfStatement ifStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ImportReference importRef, CompilationUnitScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Initializer initializer, MethodScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		InstanceOfExpression instanceOfExpression,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(IntLiteral intLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Javadoc javadoc, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Javadoc javadoc, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocAllocationExpression expression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocAllocationExpression expression, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocArgumentExpression expression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocArgumentExpression expression, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocArrayQualifiedTypeReference typeRef, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocArrayQualifiedTypeReference typeRef, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocArraySingleTypeReference typeRef, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocArraySingleTypeReference typeRef, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocFieldReference fieldRef, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocFieldReference fieldRef, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocImplicitTypeReference implicitTypeReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocImplicitTypeReference implicitTypeReference, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocMessageSend messageSend, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocMessageSend messageSend, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocQualifiedTypeReference typeRef, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocQualifiedTypeReference typeRef, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocReturnStatement statement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocReturnStatement statement, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocSingleNameReference argument, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocSingleNameReference argument, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocSingleTypeReference typeRef, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(JavadocSingleTypeReference typeRef, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(LabeledStatement labeledStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(LocalDeclaration localDeclaration, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(LongLiteral longLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	/**

	 * @param annotation

	 * @param scope

	 * @since 3.1

	 */

	public boolean visit(MarkerAnnotation annotation, BlockScope scope) {

		return true;

	}

	/**

	 * @param pair

	 * @param scope

	 * @since 3.1

	 */

	public boolean visit(MemberValuePair pair, BlockScope scope) {

		return true;

	}

	public boolean visit(MessageSend messageSend, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(MethodDeclaration methodDeclaration, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			StringLiteralConcatenation literal,

			BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	/**

	 * @param annotation

	 * @param scope

	 * @since 3.1

	 */

	public boolean visit(NormalAnnotation annotation, BlockScope scope) {

		return true;

	}

	public boolean visit(NullLiteral nullLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(OR_OR_Expression or_or_Expression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ParameterizedQualifiedTypeReference parameterizedQualifiedTypeReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ParameterizedQualifiedTypeReference parameterizedQualifiedTypeReference, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ParameterizedSingleTypeReference parameterizedSingleTypeReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ParameterizedSingleTypeReference parameterizedSingleTypeReference, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(PostfixExpression postfixExpression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(PrefixExpression prefixExpression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		QualifiedAllocationExpression qualifiedAllocationExpression,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			QualifiedNameReference qualifiedNameReference,

			BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			QualifiedNameReference qualifiedNameReference,

			ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		QualifiedSuperReference qualifiedSuperReference,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		QualifiedSuperReference qualifiedSuperReference,

    		ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			QualifiedThisReference qualifiedThisReference,

			BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			QualifiedThisReference qualifiedThisReference,

			ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		QualifiedTypeReference qualifiedTypeReference,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		QualifiedTypeReference qualifiedTypeReference,

    		ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ReturnStatement returnStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	/**

	 * @param annotation

	 * @param scope

	 * @since 3.1

	 */

	public boolean visit(SingleMemberAnnotation annotation, BlockScope scope) {

		return true;

	}

	public boolean visit(

		SingleNameReference singleNameReference,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

			SingleNameReference singleNameReference,

			ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		SingleTypeReference singleTypeReference,

    		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

    		SingleTypeReference singleTypeReference,

    		ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(StringLiteral stringLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(SuperReference superReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(SwitchStatement switchStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		SynchronizedStatement synchronizedStatement,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ThisReference thisReference, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ThisReference thisReference, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(ThrowStatement throwStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(TrueLiteral trueLiteral, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(TryStatement tryStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		TypeDeclaration localTypeDeclaration,

		BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(

		TypeDeclaration memberTypeDeclaration,

		ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}	

	public boolean visit(

		TypeDeclaration typeDeclaration,

		CompilationUnitScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(TypeParameter typeParameter, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(TypeParameter typeParameter, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(UnaryExpression unaryExpression, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(WhileStatement whileStatement, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Wildcard wildcard, BlockScope scope) {

		return true; // do nothing by default, keep traversing

	}

	public boolean visit(Wildcard wildcard, ClassScope scope) {

		return true; // do nothing by default, keep traversing

	}

}