Initial upgrade to Platform/JDT 3.4.1
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / core / dom / NaiveASTFlattener.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/dom/NaiveASTFlattener.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/dom/NaiveASTFlattener.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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 net.sourceforge.phpdt.internal.core.dom;
+
+import java.util.Iterator;
+import java.util.List;
+
+import net.sourceforge.phpdt.core.dom.AST;
+import net.sourceforge.phpdt.core.dom.ASTNode;
+import net.sourceforge.phpdt.core.dom.ASTVisitor;
+import net.sourceforge.phpdt.core.dom.AbstractTypeDeclaration;
+import net.sourceforge.phpdt.core.dom.Annotation;
+import net.sourceforge.phpdt.core.dom.AnnotationTypeDeclaration;
+import net.sourceforge.phpdt.core.dom.AnnotationTypeMemberDeclaration;
+import net.sourceforge.phpdt.core.dom.AnonymousClassDeclaration;
+import net.sourceforge.phpdt.core.dom.ArrayAccess;
+import net.sourceforge.phpdt.core.dom.ArrayCreation;
+import net.sourceforge.phpdt.core.dom.ArrayInitializer;
+import net.sourceforge.phpdt.core.dom.ArrayType;
+import net.sourceforge.phpdt.core.dom.AssertStatement;
+import net.sourceforge.phpdt.core.dom.Assignment;
+import net.sourceforge.phpdt.core.dom.Block;
+import net.sourceforge.phpdt.core.dom.BlockComment;
+import net.sourceforge.phpdt.core.dom.BodyDeclaration;
+import net.sourceforge.phpdt.core.dom.BooleanLiteral;
+import net.sourceforge.phpdt.core.dom.BreakStatement;
+import net.sourceforge.phpdt.core.dom.CastExpression;
+import net.sourceforge.phpdt.core.dom.CatchClause;
+import net.sourceforge.phpdt.core.dom.CharacterLiteral;
+import net.sourceforge.phpdt.core.dom.ClassInstanceCreation;
+import net.sourceforge.phpdt.core.dom.CompilationUnit;
+import net.sourceforge.phpdt.core.dom.ConditionalExpression;
+import net.sourceforge.phpdt.core.dom.ConstructorInvocation;
+import net.sourceforge.phpdt.core.dom.ContinueStatement;
+import net.sourceforge.phpdt.core.dom.DoStatement;
+import net.sourceforge.phpdt.core.dom.EmptyStatement;
+import net.sourceforge.phpdt.core.dom.EnhancedForStatement;
+import net.sourceforge.phpdt.core.dom.EnumConstantDeclaration;
+import net.sourceforge.phpdt.core.dom.EnumDeclaration;
+import net.sourceforge.phpdt.core.dom.Expression;
+import net.sourceforge.phpdt.core.dom.ExpressionStatement;
+import net.sourceforge.phpdt.core.dom.FieldAccess;
+import net.sourceforge.phpdt.core.dom.FieldDeclaration;
+import net.sourceforge.phpdt.core.dom.ForStatement;
+import net.sourceforge.phpdt.core.dom.IfStatement;
+import net.sourceforge.phpdt.core.dom.ImportDeclaration;
+import net.sourceforge.phpdt.core.dom.InfixExpression;
+import net.sourceforge.phpdt.core.dom.Initializer;
+import net.sourceforge.phpdt.core.dom.InstanceofExpression;
+import net.sourceforge.phpdt.core.dom.Javadoc;
+import net.sourceforge.phpdt.core.dom.LabeledStatement;
+import net.sourceforge.phpdt.core.dom.LineComment;
+import net.sourceforge.phpdt.core.dom.MarkerAnnotation;
+import net.sourceforge.phpdt.core.dom.MemberRef;
+import net.sourceforge.phpdt.core.dom.MemberValuePair;
+import net.sourceforge.phpdt.core.dom.MethodDeclaration;
+import net.sourceforge.phpdt.core.dom.MethodInvocation;
+import net.sourceforge.phpdt.core.dom.MethodRef;
+import net.sourceforge.phpdt.core.dom.MethodRefParameter;
+import net.sourceforge.phpdt.core.dom.Modifier;
+import net.sourceforge.phpdt.core.dom.Name;
+import net.sourceforge.phpdt.core.dom.NormalAnnotation;
+import net.sourceforge.phpdt.core.dom.NullLiteral;
+import net.sourceforge.phpdt.core.dom.NumberLiteral;
+import net.sourceforge.phpdt.core.dom.PackageDeclaration;
+import net.sourceforge.phpdt.core.dom.ParameterizedType;
+import net.sourceforge.phpdt.core.dom.ParenthesizedExpression;
+import net.sourceforge.phpdt.core.dom.PostfixExpression;
+import net.sourceforge.phpdt.core.dom.PrefixExpression;
+import net.sourceforge.phpdt.core.dom.PrimitiveType;
+import net.sourceforge.phpdt.core.dom.QualifiedName;
+import net.sourceforge.phpdt.core.dom.QualifiedType;
+import net.sourceforge.phpdt.core.dom.ReturnStatement;
+import net.sourceforge.phpdt.core.dom.SimpleName;
+import net.sourceforge.phpdt.core.dom.SimpleType;
+import net.sourceforge.phpdt.core.dom.SingleMemberAnnotation;
+import net.sourceforge.phpdt.core.dom.SingleVariableDeclaration;
+import net.sourceforge.phpdt.core.dom.Statement;
+import net.sourceforge.phpdt.core.dom.StringLiteral;
+import net.sourceforge.phpdt.core.dom.SuperConstructorInvocation;
+import net.sourceforge.phpdt.core.dom.SuperFieldAccess;
+import net.sourceforge.phpdt.core.dom.SuperMethodInvocation;
+import net.sourceforge.phpdt.core.dom.SwitchCase;
+import net.sourceforge.phpdt.core.dom.SwitchStatement;
+import net.sourceforge.phpdt.core.dom.SynchronizedStatement;
+import net.sourceforge.phpdt.core.dom.TagElement;
+import net.sourceforge.phpdt.core.dom.TextElement;
+import net.sourceforge.phpdt.core.dom.ThisExpression;
+import net.sourceforge.phpdt.core.dom.ThrowStatement;
+import net.sourceforge.phpdt.core.dom.TryStatement;
+import net.sourceforge.phpdt.core.dom.Type;
+import net.sourceforge.phpdt.core.dom.TypeDeclaration;
+import net.sourceforge.phpdt.core.dom.TypeDeclarationStatement;
+import net.sourceforge.phpdt.core.dom.TypeLiteral;
+import net.sourceforge.phpdt.core.dom.TypeParameter;
+import net.sourceforge.phpdt.core.dom.VariableDeclarationExpression;
+import net.sourceforge.phpdt.core.dom.VariableDeclarationFragment;
+import net.sourceforge.phpdt.core.dom.VariableDeclarationStatement;
+import net.sourceforge.phpdt.core.dom.WhileStatement;
+import net.sourceforge.phpdt.core.dom.WildcardType;
+
+/**
+ * Internal AST visitor for serializing an AST in a quick and dirty fashion.
+ * For various reasons the resulting string is not necessarily legal
+ * Java code; and even if it is legal Java code, it is not necessarily the string
+ * that corresponds to the given AST. Although useless for most purposes, it's
+ * fine for generating debug print strings.
+ * <p>
+ * Example usage:
+ * <code>
+ * <pre>
+ *    NaiveASTFlattener p = new NaiveASTFlattener();
+ *    node.accept(p);
+ *    String result = p.getResult();
+ * </pre>
+ * </code>
+ * Call the <code>reset</code> method to clear the previous result before reusing an
+ * existing instance.
+ * </p>
+ * 
+ * @since 2.0
+ */
+public class NaiveASTFlattener extends ASTVisitor {
+       /**
+        * Internal synonym for {@link AST#JLS2}. Use to alleviate
+        * deprecation warnings.
+        * @deprecated
+        * @since 3.4
+        */
+       private static final int JLS2 = AST.JLS2;
+       
+       /**
+        * The string buffer into which the serialized representation of the AST is
+        * written.
+        */
+       protected StringBuffer buffer;
+       
+       private int indent = 0;
+       
+       /**
+        * Creates a new AST printer.
+        */
+       public NaiveASTFlattener() {
+               this.buffer = new StringBuffer();
+       }
+       
+       /**
+        * Internal synonym for {@link ClassInstanceCreation#getName()}. Use to alleviate
+        * deprecation warnings.
+        * @deprecated
+        * @since 3.4
+        */
+       private Name getName(ClassInstanceCreation node) {
+               return node.getName();
+       }
+       
+       /**
+        * Returns the string accumulated in the visit.
+        *
+        * @return the serialized 
+        */
+       public String getResult() {
+               return this.buffer.toString();
+       }
+       
+       /**
+        * Internal synonym for {@link MethodDeclaration#getReturnType()}. Use to alleviate
+        * deprecation warnings.
+        * @deprecated
+        * @since 3.4
+        */
+       private Type getReturnType(MethodDeclaration node) {
+               return node.getReturnType();
+       }
+       
+       /**
+        * Internal synonym for {@link TypeDeclaration#getSuperclass()}. Use to alleviate
+        * deprecation warnings.
+        * @deprecated
+        * @since 3.4
+        */
+       private Name getSuperclass(TypeDeclaration node) {
+               return node.getSuperclass();
+       }               
+       
+       /**
+        * Internal synonym for {@link TypeDeclarationStatement#getTypeDeclaration()}. Use to alleviate
+        * deprecation warnings.
+        * @deprecated
+        * @since 3.4
+        */
+       private TypeDeclaration getTypeDeclaration(TypeDeclarationStatement node) {
+               return node.getTypeDeclaration();
+       }               
+       
+       void printIndent() {
+               for (int i = 0; i < this.indent; i++) 
+                       this.buffer.append("  "); //$NON-NLS-1$
+       }
+       
+       /**
+        * Appends the text representation of the given modifier flags, followed by a single space.
+        * Used for JLS2 modifiers.
+        * 
+        * @param modifiers the modifier flags
+        */
+       void printModifiers(int modifiers) {
+               if (Modifier.isPublic(modifiers)) {
+                       this.buffer.append("public ");//$NON-NLS-1$
+               }
+               if (Modifier.isProtected(modifiers)) {
+                       this.buffer.append("protected ");//$NON-NLS-1$
+               }
+               if (Modifier.isPrivate(modifiers)) {
+                       this.buffer.append("private ");//$NON-NLS-1$
+               }
+               if (Modifier.isStatic(modifiers)) {
+                       this.buffer.append("static ");//$NON-NLS-1$
+               }
+               if (Modifier.isAbstract(modifiers)) {
+                       this.buffer.append("abstract ");//$NON-NLS-1$
+               }
+               if (Modifier.isFinal(modifiers)) {
+                       this.buffer.append("final ");//$NON-NLS-1$
+               }
+               if (Modifier.isSynchronized(modifiers)) {
+                       this.buffer.append("synchronized ");//$NON-NLS-1$
+               }
+               if (Modifier.isVolatile(modifiers)) {
+                       this.buffer.append("volatile ");//$NON-NLS-1$
+               }
+               if (Modifier.isNative(modifiers)) {
+                       this.buffer.append("native ");//$NON-NLS-1$
+               }
+               if (Modifier.isStrictfp(modifiers)) {
+                       this.buffer.append("strictfp ");//$NON-NLS-1$
+               }
+               if (Modifier.isTransient(modifiers)) {
+                       this.buffer.append("transient ");//$NON-NLS-1$
+               }
+       }
+       
+       /**
+        * Appends the text representation of the given modifier flags, followed by a single space.
+        * Used for 3.0 modifiers and annotations.
+        * 
+        * @param ext the list of modifier and annotation nodes
+        * (element type: <code>IExtendedModifiers</code>)
+        */
+       void printModifiers(List ext) {
+               for (Iterator it = ext.iterator(); it.hasNext(); ) {
+                       ASTNode p = (ASTNode) it.next();
+                       p.accept(this);
+                       this.buffer.append(" ");//$NON-NLS-1$
+               }
+       }
+
+       /**
+        * Resets this printer so that it can be used again.
+        */
+       public void reset() {
+               this.buffer.setLength(0);
+       }
+
+       /**
+        * Internal synonym for {@link TypeDeclaration#superInterfaces()}. Use to alleviate
+        * deprecation warnings.
+        * @deprecated
+        * @since 3.4
+        */
+       private List superInterfaces(TypeDeclaration node) {
+               return node.superInterfaces();
+       }
+
+       /*
+        * @see ASTVisitor#visit(AnnotationTypeDeclaration)
+        * @since 3.1
+        */
+       public boolean visit(AnnotationTypeDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               printIndent();
+               printModifiers(node.modifiers());
+               this.buffer.append("@interface ");//$NON-NLS-1$
+               node.getName().accept(this);
+               this.buffer.append(" {");//$NON-NLS-1$
+               for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
+                       BodyDeclaration d = (BodyDeclaration) it.next();
+                       d.accept(this);
+               }
+               this.buffer.append("}\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(AnnotationTypeMemberDeclaration)
+        * @since 3.1
+        */
+       public boolean visit(AnnotationTypeMemberDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               printIndent();
+               printModifiers(node.modifiers());
+               node.getType().accept(this);
+               this.buffer.append(" ");//$NON-NLS-1$
+               node.getName().accept(this);
+               this.buffer.append("()");//$NON-NLS-1$
+               if (node.getDefault() != null) {
+                       this.buffer.append(" default ");//$NON-NLS-1$
+                       node.getDefault().accept(this);
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(AnonymousClassDeclaration)
+        */
+       public boolean visit(AnonymousClassDeclaration node) {
+               this.buffer.append("{\n");//$NON-NLS-1$
+               this.indent++;
+               for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
+                       BodyDeclaration b = (BodyDeclaration) it.next();
+                       b.accept(this);
+               }
+               this.indent--;
+               printIndent();
+               this.buffer.append("}\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ArrayAccess)
+        */
+       public boolean visit(ArrayAccess node) {
+               node.getArray().accept(this);
+               this.buffer.append("[");//$NON-NLS-1$
+               node.getIndex().accept(this);
+               this.buffer.append("]");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ArrayCreation)
+        */
+       public boolean visit(ArrayCreation node) {
+               this.buffer.append("new ");//$NON-NLS-1$
+               ArrayType at = node.getType();
+               int dims = at.getDimensions();
+               Type elementType = at.getElementType();
+               elementType.accept(this);
+               for (Iterator it = node.dimensions().iterator(); it.hasNext(); ) {
+                       this.buffer.append("[");//$NON-NLS-1$
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       this.buffer.append("]");//$NON-NLS-1$
+                       dims--;
+               }
+               // add empty "[]" for each extra array dimension
+               for (int i= 0; i < dims; i++) {
+                       this.buffer.append("[]");//$NON-NLS-1$
+               }
+               if (node.getInitializer() != null) {
+                       node.getInitializer().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ArrayInitializer)
+        */
+       public boolean visit(ArrayInitializer node) {
+               this.buffer.append("{");//$NON-NLS-1$
+               for (Iterator it = node.expressions().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append("}");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ArrayType)
+        */
+       public boolean visit(ArrayType node) {
+               node.getComponentType().accept(this);
+               this.buffer.append("[]");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(AssertStatement)
+        */
+       public boolean visit(AssertStatement node) {
+               printIndent();
+               this.buffer.append("assert ");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               if (node.getMessage() != null) {
+                       this.buffer.append(" : ");//$NON-NLS-1$
+                       node.getMessage().accept(this);
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(Assignment)
+        */
+       public boolean visit(Assignment node) {
+               node.getLeftHandSide().accept(this);
+               this.buffer.append(node.getOperator().toString());
+               node.getRightHandSide().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(Block)
+        */
+       public boolean visit(Block node) {
+               this.buffer.append("{\n");//$NON-NLS-1$
+               this.indent++;
+               for (Iterator it = node.statements().iterator(); it.hasNext(); ) {
+                       Statement s = (Statement) it.next();
+                       s.accept(this);
+               }
+               this.indent--;
+               printIndent();
+               this.buffer.append("}\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(BlockComment)
+        * @since 3.0
+        */
+       public boolean visit(BlockComment node) {
+               printIndent();
+               this.buffer.append("/* */");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(BooleanLiteral)
+        */
+       public boolean visit(BooleanLiteral node) {
+               if (node.booleanValue() == true) {
+                       this.buffer.append("true");//$NON-NLS-1$
+               } else {
+                       this.buffer.append("false");//$NON-NLS-1$
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(BreakStatement)
+        */
+       public boolean visit(BreakStatement node) {
+               printIndent();
+               this.buffer.append("break");//$NON-NLS-1$
+               if (node.getLabel() != null) {
+                       this.buffer.append(" ");//$NON-NLS-1$
+                       node.getLabel().accept(this);
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(CastExpression)
+        */
+       public boolean visit(CastExpression node) {
+               this.buffer.append("(");//$NON-NLS-1$
+               node.getType().accept(this);
+               this.buffer.append(")");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(CatchClause)
+        */
+       public boolean visit(CatchClause node) {
+               this.buffer.append("catch (");//$NON-NLS-1$
+               node.getException().accept(this);
+               this.buffer.append(") ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(CharacterLiteral)
+        */
+       public boolean visit(CharacterLiteral node) {
+               this.buffer.append(node.getEscapedValue());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ClassInstanceCreation)
+        */
+       public boolean visit(ClassInstanceCreation node) {
+               if (node.getExpression() != null) {
+                       node.getExpression().accept(this);
+                       this.buffer.append(".");//$NON-NLS-1$
+               }
+               this.buffer.append("new ");//$NON-NLS-1$
+               if (node.getAST().apiLevel() == JLS2) {
+                       this.getName(node).accept(this);
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (!node.typeArguments().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeArguments().iterator(); it.hasNext(); ) {
+                                       Type t = (Type) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+                       node.getType().accept(this);
+               }
+               this.buffer.append("(");//$NON-NLS-1$
+               for (Iterator it = node.arguments().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(")");//$NON-NLS-1$
+               if (node.getAnonymousClassDeclaration() != null) {
+                       node.getAnonymousClassDeclaration().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(CompilationUnit)
+        */
+       public boolean visit(CompilationUnit node) {
+               if (node.getPackage() != null) {
+                       node.getPackage().accept(this);
+               }
+               for (Iterator it = node.imports().iterator(); it.hasNext(); ) {
+                       ImportDeclaration d = (ImportDeclaration) it.next();
+                       d.accept(this);
+               }
+               for (Iterator it = node.types().iterator(); it.hasNext(); ) {
+                       AbstractTypeDeclaration d = (AbstractTypeDeclaration) it.next();
+                       d.accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ConditionalExpression)
+        */
+       public boolean visit(ConditionalExpression node) {
+               node.getExpression().accept(this);
+               this.buffer.append(" ? ");//$NON-NLS-1$
+               node.getThenExpression().accept(this);
+               this.buffer.append(" : ");//$NON-NLS-1$
+               node.getElseExpression().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ConstructorInvocation)
+        */
+       public boolean visit(ConstructorInvocation node) {
+               printIndent();
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (!node.typeArguments().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeArguments().iterator(); it.hasNext(); ) {
+                                       Type t = (Type) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append("this(");//$NON-NLS-1$
+               for (Iterator it = node.arguments().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(");\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ContinueStatement)
+        */
+       public boolean visit(ContinueStatement node) {
+               printIndent();
+               this.buffer.append("continue");//$NON-NLS-1$
+               if (node.getLabel() != null) {
+                       this.buffer.append(" ");//$NON-NLS-1$
+                       node.getLabel().accept(this);
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(DoStatement)
+        */
+       public boolean visit(DoStatement node) {
+               printIndent();
+               this.buffer.append("do ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               this.buffer.append(" while (");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(");\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(EmptyStatement)
+        */
+       public boolean visit(EmptyStatement node) {
+               printIndent();
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(EnhancedForStatement)
+        * @since 3.1
+        */
+       public boolean visit(EnhancedForStatement node) {
+               printIndent();
+               this.buffer.append("for (");//$NON-NLS-1$
+               node.getParameter().accept(this);
+               this.buffer.append(" : ");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(") ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(EnumConstantDeclaration)
+        * @since 3.1
+        */
+       public boolean visit(EnumConstantDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               printIndent();
+               printModifiers(node.modifiers());
+               node.getName().accept(this);
+               if (!node.arguments().isEmpty()) {
+                       this.buffer.append("(");//$NON-NLS-1$
+                       for (Iterator it = node.arguments().iterator(); it.hasNext(); ) {
+                               Expression e = (Expression) it.next();
+                               e.accept(this);
+                               if (it.hasNext()) {
+                                       this.buffer.append(",");//$NON-NLS-1$
+                               }
+                       }
+                       this.buffer.append(")");//$NON-NLS-1$
+               }
+               if (node.getAnonymousClassDeclaration() != null) {
+                       node.getAnonymousClassDeclaration().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(EnumDeclaration)
+        * @since 3.1
+        */
+       public boolean visit(EnumDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               printIndent();
+               printModifiers(node.modifiers());
+               this.buffer.append("enum ");//$NON-NLS-1$
+               node.getName().accept(this);
+               this.buffer.append(" ");//$NON-NLS-1$
+               if (!node.superInterfaceTypes().isEmpty()) {
+                       this.buffer.append("implements ");//$NON-NLS-1$
+                       for (Iterator it = node.superInterfaceTypes().iterator(); it.hasNext(); ) {
+                               Type t = (Type) it.next();
+                               t.accept(this);
+                               if (it.hasNext()) {
+                                       this.buffer.append(", ");//$NON-NLS-1$
+                               }
+                       }
+                       this.buffer.append(" ");//$NON-NLS-1$
+               }
+               this.buffer.append("{");//$NON-NLS-1$
+               for (Iterator it = node.enumConstants().iterator(); it.hasNext(); ) {
+                       EnumConstantDeclaration d = (EnumConstantDeclaration) it.next();
+                       d.accept(this);
+                       // enum constant declarations do not include punctuation
+                       if (it.hasNext()) {
+                               // enum constant declarations are separated by commas
+                               this.buffer.append(", ");//$NON-NLS-1$
+                       }
+               }
+               if (!node.bodyDeclarations().isEmpty()) {
+                       this.buffer.append("; ");//$NON-NLS-1$
+                       for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
+                               BodyDeclaration d = (BodyDeclaration) it.next();
+                               d.accept(this);
+                               // other body declarations include trailing punctuation
+                       }
+               }
+               this.buffer.append("}\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ExpressionStatement)
+        */
+       public boolean visit(ExpressionStatement node) {
+               printIndent();
+               node.getExpression().accept(this);
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(FieldAccess)
+        */
+       public boolean visit(FieldAccess node) {
+               node.getExpression().accept(this);
+               this.buffer.append(".");//$NON-NLS-1$
+               node.getName().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(FieldDeclaration)
+        */
+       public boolean visit(FieldDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               printIndent();
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+               }
+               node.getType().accept(this);
+               this.buffer.append(" ");//$NON-NLS-1$
+               for (Iterator it = node.fragments().iterator(); it.hasNext(); ) {
+                       VariableDeclarationFragment f = (VariableDeclarationFragment) it.next();
+                       f.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(", ");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ForStatement)
+        */
+       public boolean visit(ForStatement node) {
+               printIndent();
+               this.buffer.append("for (");//$NON-NLS-1$
+               for (Iterator it = node.initializers().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) buffer.append(", ");//$NON-NLS-1$
+               }
+               this.buffer.append("; ");//$NON-NLS-1$
+               if (node.getExpression() != null) {
+                       node.getExpression().accept(this);
+               }
+               this.buffer.append("; ");//$NON-NLS-1$
+               for (Iterator it = node.updaters().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) buffer.append(", ");//$NON-NLS-1$
+               }
+               this.buffer.append(") ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(IfStatement)
+        */
+       public boolean visit(IfStatement node) {
+               printIndent();
+               this.buffer.append("if (");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(") ");//$NON-NLS-1$
+               node.getThenStatement().accept(this);
+               if (node.getElseStatement() != null) {
+                       this.buffer.append(" else ");//$NON-NLS-1$
+                       node.getElseStatement().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ImportDeclaration)
+        */
+       public boolean visit(ImportDeclaration node) {
+               printIndent();
+               this.buffer.append("import ");//$NON-NLS-1$
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (node.isStatic()) {
+                               this.buffer.append("static ");//$NON-NLS-1$
+                       }
+               }
+               node.getName().accept(this);
+               if (node.isOnDemand()) {
+                       this.buffer.append(".*");//$NON-NLS-1$
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(InfixExpression)
+        */
+       public boolean visit(InfixExpression node) {
+               node.getLeftOperand().accept(this);
+               this.buffer.append(' ');  // for cases like x= i - -1; or x= i++ + ++i;
+               this.buffer.append(node.getOperator().toString());
+               this.buffer.append(' ');
+               node.getRightOperand().accept(this);
+               final List extendedOperands = node.extendedOperands();
+               if (extendedOperands.size() != 0) {
+                       this.buffer.append(' ');
+                       for (Iterator it = extendedOperands.iterator(); it.hasNext(); ) {
+                               this.buffer.append(node.getOperator().toString()).append(' ');
+                               Expression e = (Expression) it.next();
+                               e.accept(this);
+                       }
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(Initializer)
+        */
+       public boolean visit(Initializer node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+               }
+               node.getBody().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(InstanceofExpression)
+        */
+       public boolean visit(InstanceofExpression node) {
+               node.getLeftOperand().accept(this);
+               this.buffer.append(" instanceof ");//$NON-NLS-1$
+               node.getRightOperand().accept(this);
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(Javadoc)
+        */
+       public boolean visit(Javadoc node) {
+               printIndent();
+               this.buffer.append("/** ");//$NON-NLS-1$
+               for (Iterator it = node.tags().iterator(); it.hasNext(); ) {
+                       ASTNode e = (ASTNode) it.next();
+                       e.accept(this);
+               }
+               this.buffer.append("\n */\n");//$NON-NLS-1$
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(LabeledStatement)
+        */
+       public boolean visit(LabeledStatement node) {
+               printIndent();
+               node.getLabel().accept(this);
+               this.buffer.append(": ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(LineComment)
+        * @since 3.0
+        */
+       public boolean visit(LineComment node) {
+               this.buffer.append("//\n");//$NON-NLS-1$
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(MarkerAnnotation)
+        * @since 3.1
+        */
+       public boolean visit(MarkerAnnotation node) {
+               this.buffer.append("@");//$NON-NLS-1$
+               node.getTypeName().accept(this);
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(MemberRef)
+        * @since 3.0
+        */
+       public boolean visit(MemberRef node) {
+               if (node.getQualifier() != null) {
+                       node.getQualifier().accept(this);
+               }
+               this.buffer.append("#");//$NON-NLS-1$
+               node.getName().accept(this);
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(MemberValuePair)
+        * @since 3.1
+        */
+       public boolean visit(MemberValuePair node) {
+               node.getName().accept(this);
+               this.buffer.append("=");//$NON-NLS-1$
+               node.getValue().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(MethodDeclaration)
+        */
+       public boolean visit(MethodDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               printIndent();
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+                       if (!node.typeParameters().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeParameters().iterator(); it.hasNext(); ) {
+                                       TypeParameter t = (TypeParameter) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+               }
+               if (!node.isConstructor()) {
+                       if (node.getAST().apiLevel() == JLS2) {
+                               this.getReturnType(node).accept(this);
+                       } else {
+                               if (node.getReturnType2() != null) {
+                                       node.getReturnType2().accept(this);
+                               } else {
+                                       // methods really ought to have a return type
+                                       this.buffer.append("void");//$NON-NLS-1$
+                               }
+                       }
+                       this.buffer.append(" ");//$NON-NLS-1$
+               }
+               node.getName().accept(this);
+               this.buffer.append("(");//$NON-NLS-1$
+               for (Iterator it = node.parameters().iterator(); it.hasNext(); ) {
+                       SingleVariableDeclaration v = (SingleVariableDeclaration) it.next();
+                       v.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(")");//$NON-NLS-1$
+               for (int i = 0; i < node.getExtraDimensions(); i++) {
+                       this.buffer.append("[]"); //$NON-NLS-1$
+               }               
+               if (!node.thrownExceptions().isEmpty()) {
+                       this.buffer.append(" throws ");//$NON-NLS-1$
+                       for (Iterator it = node.thrownExceptions().iterator(); it.hasNext(); ) {
+                               Name n = (Name) it.next();
+                               n.accept(this);
+                               if (it.hasNext()) {
+                                       this.buffer.append(", ");//$NON-NLS-1$
+                               }
+                       }
+                       this.buffer.append(" ");//$NON-NLS-1$
+               }
+               if (node.getBody() == null) {
+                       this.buffer.append(";\n");//$NON-NLS-1$
+               } else {
+                       node.getBody().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(MethodInvocation)
+        */
+       public boolean visit(MethodInvocation node) {
+               if (node.getExpression() != null) {
+                       node.getExpression().accept(this);
+                       this.buffer.append(".");//$NON-NLS-1$
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (!node.typeArguments().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeArguments().iterator(); it.hasNext(); ) {
+                                       Type t = (Type) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+               }
+               node.getName().accept(this);
+               this.buffer.append("(");//$NON-NLS-1$
+               for (Iterator it = node.arguments().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(")");//$NON-NLS-1$
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(MethodRef)
+        * @since 3.0
+        */
+       public boolean visit(MethodRef node) {
+               if (node.getQualifier() != null) {
+                       node.getQualifier().accept(this);
+               }
+               this.buffer.append("#");//$NON-NLS-1$
+               node.getName().accept(this);
+               this.buffer.append("(");//$NON-NLS-1$
+               for (Iterator it = node.parameters().iterator(); it.hasNext(); ) {
+                       MethodRefParameter e = (MethodRefParameter) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(")");//$NON-NLS-1$
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(MethodRefParameter)
+        * @since 3.0
+        */
+       public boolean visit(MethodRefParameter node) {
+               node.getType().accept(this);
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (node.isVarargs()) {
+                               this.buffer.append("...");//$NON-NLS-1$
+                       }
+               }
+               if (node.getName() != null) {
+                       this.buffer.append(" ");//$NON-NLS-1$
+                       node.getName().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(Modifier)
+        * @since 3.1
+        */
+       public boolean visit(Modifier node) {
+               this.buffer.append(node.getKeyword().toString());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(NormalAnnotation)
+        * @since 3.1
+        */
+       public boolean visit(NormalAnnotation node) {
+               this.buffer.append("@");//$NON-NLS-1$
+               node.getTypeName().accept(this);
+               this.buffer.append("(");//$NON-NLS-1$
+               for (Iterator it = node.values().iterator(); it.hasNext(); ) {
+                       MemberValuePair p = (MemberValuePair) it.next();
+                       p.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(")");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(NullLiteral)
+        */
+       public boolean visit(NullLiteral node) {
+               this.buffer.append("null");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(NumberLiteral)
+        */
+       public boolean visit(NumberLiteral node) {
+               this.buffer.append(node.getToken());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(PackageDeclaration)
+        */
+       public boolean visit(PackageDeclaration node) {
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (node.getJavadoc() != null) {
+                               node.getJavadoc().accept(this);
+                       }
+                       for (Iterator it = node.annotations().iterator(); it.hasNext(); ) {
+                               Annotation p = (Annotation) it.next();
+                               p.accept(this);
+                               this.buffer.append(" ");//$NON-NLS-1$
+                       }
+               }
+               printIndent();
+               this.buffer.append("package ");//$NON-NLS-1$
+               node.getName().accept(this);
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ParameterizedType)
+        * @since 3.1
+        */
+       public boolean visit(ParameterizedType node) {
+               node.getType().accept(this);
+               this.buffer.append("<");//$NON-NLS-1$
+               for (Iterator it = node.typeArguments().iterator(); it.hasNext(); ) {
+                       Type t = (Type) it.next();
+                       t.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(">");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ParenthesizedExpression)
+        */
+       public boolean visit(ParenthesizedExpression node) {
+               this.buffer.append("(");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(")");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(PostfixExpression)
+        */
+       public boolean visit(PostfixExpression node) {
+               node.getOperand().accept(this);
+               this.buffer.append(node.getOperator().toString());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(PrefixExpression)
+        */
+       public boolean visit(PrefixExpression node) {
+               this.buffer.append(node.getOperator().toString());
+               node.getOperand().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(PrimitiveType)
+        */
+       public boolean visit(PrimitiveType node) {
+               this.buffer.append(node.getPrimitiveTypeCode().toString());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(QualifiedName)
+        */
+       public boolean visit(QualifiedName node) {
+               node.getQualifier().accept(this);
+               this.buffer.append(".");//$NON-NLS-1$
+               node.getName().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(QualifiedType)
+        * @since 3.1
+        */
+       public boolean visit(QualifiedType node) {
+               node.getQualifier().accept(this);
+               this.buffer.append(".");//$NON-NLS-1$
+               node.getName().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ReturnStatement)
+        */
+       public boolean visit(ReturnStatement node) {
+               printIndent();
+               this.buffer.append("return");//$NON-NLS-1$
+               if (node.getExpression() != null) {
+                       this.buffer.append(" ");//$NON-NLS-1$
+                       node.getExpression().accept(this);
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(SimpleName)
+        */
+       public boolean visit(SimpleName node) {
+               this.buffer.append(node.getIdentifier());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SimpleType)
+        */
+       public boolean visit(SimpleType node) {
+               return true;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SingleMemberAnnotation)
+        * @since 3.1
+        */
+       public boolean visit(SingleMemberAnnotation node) {
+               this.buffer.append("@");//$NON-NLS-1$
+               node.getTypeName().accept(this);
+               this.buffer.append("(");//$NON-NLS-1$
+               node.getValue().accept(this);
+               this.buffer.append(")");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SingleVariableDeclaration)
+        */
+       public boolean visit(SingleVariableDeclaration node) {
+               printIndent();
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+               }
+               node.getType().accept(this);
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (node.isVarargs()) {
+                               this.buffer.append("...");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(" ");//$NON-NLS-1$
+               node.getName().accept(this);
+               for (int i = 0; i < node.getExtraDimensions(); i++) {
+                       this.buffer.append("[]"); //$NON-NLS-1$
+               }                       
+               if (node.getInitializer() != null) {
+                       this.buffer.append("=");//$NON-NLS-1$
+                       node.getInitializer().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(StringLiteral)
+        */
+       public boolean visit(StringLiteral node) {
+               this.buffer.append(node.getEscapedValue());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SuperConstructorInvocation)
+        */
+       public boolean visit(SuperConstructorInvocation node) {
+               printIndent();
+               if (node.getExpression() != null) {
+                       node.getExpression().accept(this);
+                       this.buffer.append(".");//$NON-NLS-1$
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (!node.typeArguments().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeArguments().iterator(); it.hasNext(); ) {
+                                       Type t = (Type) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append("super(");//$NON-NLS-1$
+               for (Iterator it = node.arguments().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(");\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SuperFieldAccess)
+        */
+       public boolean visit(SuperFieldAccess node) {
+               if (node.getQualifier() != null) {
+                       node.getQualifier().accept(this);
+                       this.buffer.append(".");//$NON-NLS-1$
+               }
+               this.buffer.append("super.");//$NON-NLS-1$
+               node.getName().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SuperMethodInvocation)
+        */
+       public boolean visit(SuperMethodInvocation node) {
+               if (node.getQualifier() != null) {
+                       node.getQualifier().accept(this);
+                       this.buffer.append(".");//$NON-NLS-1$
+               }
+               this.buffer.append("super.");//$NON-NLS-1$
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (!node.typeArguments().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeArguments().iterator(); it.hasNext(); ) {
+                                       Type t = (Type) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+               }
+               node.getName().accept(this);
+               this.buffer.append("(");//$NON-NLS-1$
+               for (Iterator it = node.arguments().iterator(); it.hasNext(); ) {
+                       Expression e = (Expression) it.next();
+                       e.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(",");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(")");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(SwitchCase)
+        */
+       public boolean visit(SwitchCase node) {
+               if (node.isDefault()) {
+                       this.buffer.append("default :\n");//$NON-NLS-1$
+               } else {
+                       this.buffer.append("case ");//$NON-NLS-1$
+                       node.getExpression().accept(this);
+                       this.buffer.append(":\n");//$NON-NLS-1$
+               }
+               this.indent++; //decremented in visit(SwitchStatement)
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(SwitchStatement)
+        */
+       public boolean visit(SwitchStatement node) {
+               this.buffer.append("switch (");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(") ");//$NON-NLS-1$
+               this.buffer.append("{\n");//$NON-NLS-1$
+               this.indent++;
+               for (Iterator it = node.statements().iterator(); it.hasNext(); ) {
+                       Statement s = (Statement) it.next();
+                       s.accept(this);
+                       this.indent--; // incremented in visit(SwitchCase)
+               }
+               this.indent--;
+               printIndent();
+               this.buffer.append("}\n");//$NON-NLS-1$
+               return false;
+       }
+       
+       /*
+        * @see ASTVisitor#visit(SynchronizedStatement)
+        */
+       public boolean visit(SynchronizedStatement node) {
+               this.buffer.append("synchronized (");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(") ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TagElement)
+        * @since 3.0
+        */
+       public boolean visit(TagElement node) {
+               if (node.isNested()) {
+                       // nested tags are always enclosed in braces
+                       this.buffer.append("{");//$NON-NLS-1$
+               } else {
+                       // top-level tags always begin on a new line
+                       this.buffer.append("\n * ");//$NON-NLS-1$
+               }
+               boolean previousRequiresWhiteSpace = false;
+               if (node.getTagName() != null) {
+                       this.buffer.append(node.getTagName());
+                       previousRequiresWhiteSpace = true;
+               }
+               boolean previousRequiresNewLine = false;
+               for (Iterator it = node.fragments().iterator(); it.hasNext(); ) {
+                       ASTNode e = (ASTNode) it.next();
+                       // assume text elements include necessary leading and trailing whitespace
+                       // but Name, MemberRef, MethodRef, and nested TagElement do not include white space
+                       boolean currentIncludesWhiteSpace = (e instanceof TextElement);
+                       if (previousRequiresNewLine && currentIncludesWhiteSpace) {
+                               this.buffer.append("\n * ");//$NON-NLS-1$
+                       }
+                       previousRequiresNewLine = currentIncludesWhiteSpace;
+                       // add space if required to separate
+                       if (previousRequiresWhiteSpace && !currentIncludesWhiteSpace) {
+                               this.buffer.append(" "); //$NON-NLS-1$
+                       }
+                       e.accept(this);
+                       previousRequiresWhiteSpace = !currentIncludesWhiteSpace && !(e instanceof TagElement);
+               }
+               if (node.isNested()) {
+                       this.buffer.append("}");//$NON-NLS-1$
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TextElement)
+        * @since 3.0
+        */
+       public boolean visit(TextElement node) {
+               this.buffer.append(node.getText());
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ThisExpression)
+        */
+       public boolean visit(ThisExpression node) {
+               if (node.getQualifier() != null) {
+                       node.getQualifier().accept(this);
+                       this.buffer.append(".");//$NON-NLS-1$
+               }
+               this.buffer.append("this");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(ThrowStatement)
+        */
+       public boolean visit(ThrowStatement node) {
+               printIndent();
+               this.buffer.append("throw ");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TryStatement)
+        */
+       public boolean visit(TryStatement node) {
+               printIndent();
+               this.buffer.append("try ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               this.buffer.append(" ");//$NON-NLS-1$
+               for (Iterator it = node.catchClauses().iterator(); it.hasNext(); ) {
+                       CatchClause cc = (CatchClause) it.next();
+                       cc.accept(this);
+               }
+               if (node.getFinally() != null) {
+                       this.buffer.append(" finally ");//$NON-NLS-1$
+                       node.getFinally().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TypeDeclaration)
+        */
+       public boolean visit(TypeDeclaration node) {
+               if (node.getJavadoc() != null) {
+                       node.getJavadoc().accept(this);
+               }
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+               }
+               this.buffer.append(node.isInterface() ? "interface " : "class ");//$NON-NLS-2$//$NON-NLS-1$
+               node.getName().accept(this);
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (!node.typeParameters().isEmpty()) {
+                               this.buffer.append("<");//$NON-NLS-1$
+                               for (Iterator it = node.typeParameters().iterator(); it.hasNext(); ) {
+                                       TypeParameter t = (TypeParameter) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(",");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(">");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(" ");//$NON-NLS-1$
+               if (node.getAST().apiLevel() == JLS2) {
+                       if (this.getSuperclass(node) != null) {
+                               this.buffer.append("extends ");//$NON-NLS-1$
+                               this.getSuperclass(node).accept(this);
+                               this.buffer.append(" ");//$NON-NLS-1$
+                       }
+                       if (!this.superInterfaces(node).isEmpty()) {
+                               this.buffer.append(node.isInterface() ? "extends " : "implements ");//$NON-NLS-2$//$NON-NLS-1$
+                               for (Iterator it = this.superInterfaces(node).iterator(); it.hasNext(); ) {
+                                       Name n = (Name) it.next();
+                                       n.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(", ");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(" ");//$NON-NLS-1$
+                       }
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       if (node.getSuperclassType() != null) {
+                               this.buffer.append("extends ");//$NON-NLS-1$
+                               node.getSuperclassType().accept(this);
+                               this.buffer.append(" ");//$NON-NLS-1$
+                       }
+                       if (!node.superInterfaceTypes().isEmpty()) {
+                               this.buffer.append(node.isInterface() ? "extends " : "implements ");//$NON-NLS-2$//$NON-NLS-1$
+                               for (Iterator it = node.superInterfaceTypes().iterator(); it.hasNext(); ) {
+                                       Type t = (Type) it.next();
+                                       t.accept(this);
+                                       if (it.hasNext()) {
+                                               this.buffer.append(", ");//$NON-NLS-1$
+                                       }
+                               }
+                               this.buffer.append(" ");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append("{\n");//$NON-NLS-1$
+               this.indent++;
+               for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
+                       BodyDeclaration d = (BodyDeclaration) it.next();
+                       d.accept(this);
+               }
+               this.indent--;
+               printIndent();
+               this.buffer.append("}\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TypeDeclarationStatement)
+        */
+       public boolean visit(TypeDeclarationStatement node) {
+               if (node.getAST().apiLevel() == JLS2) {
+                       this.getTypeDeclaration(node).accept(this);
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       node.getDeclaration().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TypeLiteral)
+        */
+       public boolean visit(TypeLiteral node) {
+               node.getType().accept(this);
+               this.buffer.append(".class");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(TypeParameter)
+        * @since 3.1
+        */
+       public boolean visit(TypeParameter node) {
+               node.getName().accept(this);
+               if (!node.typeBounds().isEmpty()) {
+                       this.buffer.append(" extends ");//$NON-NLS-1$
+                       for (Iterator it = node.typeBounds().iterator(); it.hasNext(); ) {
+                               Type t = (Type) it.next();
+                               t.accept(this);
+                               if (it.hasNext()) {
+                                       this.buffer.append(" & ");//$NON-NLS-1$
+                               }
+                       }
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(VariableDeclarationExpression)
+        */
+       public boolean visit(VariableDeclarationExpression node) {
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+               }
+               node.getType().accept(this);
+               this.buffer.append(" ");//$NON-NLS-1$
+               for (Iterator it = node.fragments().iterator(); it.hasNext(); ) {
+                       VariableDeclarationFragment f = (VariableDeclarationFragment) it.next();
+                       f.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(", ");//$NON-NLS-1$
+                       }
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(VariableDeclarationFragment)
+        */
+       public boolean visit(VariableDeclarationFragment node) {
+               node.getName().accept(this);
+               for (int i = 0; i < node.getExtraDimensions(); i++) {
+                       this.buffer.append("[]");//$NON-NLS-1$
+               }
+               if (node.getInitializer() != null) {
+                       this.buffer.append("=");//$NON-NLS-1$
+                       node.getInitializer().accept(this);
+               }
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(VariableDeclarationStatement)
+        */
+       public boolean visit(VariableDeclarationStatement node) {
+               printIndent();
+               if (node.getAST().apiLevel() == JLS2) {
+                       printModifiers(node.getModifiers());
+               }
+               if (node.getAST().apiLevel() >= AST.JLS3) {
+                       printModifiers(node.modifiers());
+               }
+               node.getType().accept(this);
+               this.buffer.append(" ");//$NON-NLS-1$
+               for (Iterator it = node.fragments().iterator(); it.hasNext(); ) {
+                       VariableDeclarationFragment f = (VariableDeclarationFragment) it.next();
+                       f.accept(this);
+                       if (it.hasNext()) {
+                               this.buffer.append(", ");//$NON-NLS-1$
+                       }
+               }
+               this.buffer.append(";\n");//$NON-NLS-1$
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(WhileStatement)
+        */
+       public boolean visit(WhileStatement node) {
+               printIndent();
+               this.buffer.append("while (");//$NON-NLS-1$
+               node.getExpression().accept(this);
+               this.buffer.append(") ");//$NON-NLS-1$
+               node.getBody().accept(this);
+               return false;
+       }
+
+       /*
+        * @see ASTVisitor#visit(WildcardType)
+        * @since 3.1
+        */
+       public boolean visit(WildcardType node) {
+               this.buffer.append("?");//$NON-NLS-1$
+               Type bound = node.getBound();
+               if (bound != null) {
+                       if (node.isUpperBound()) {
+                               this.buffer.append(" extends ");//$NON-NLS-1$
+                       } else {
+                               this.buffer.append(" super ");//$NON-NLS-1$
+                       }
+                       bound.accept(this);
+               }
+               return false;
+       }
+
+}