/*******************************************************************************
* Copyright (c) 2000, 2009 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.eclipse.wst.jsdt.internal.corext.dom;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.wst.jsdt.core.dom.AST;
import org.eclipse.wst.jsdt.core.dom.ASTNode;
import org.eclipse.wst.jsdt.core.dom.AbstractTypeDeclaration;
import org.eclipse.wst.jsdt.core.dom.AnonymousClassDeclaration;
import org.eclipse.wst.jsdt.core.dom.ArrayAccess;
import org.eclipse.wst.jsdt.core.dom.ArrayCreation;
import org.eclipse.wst.jsdt.core.dom.ArrayInitializer;
import org.eclipse.wst.jsdt.core.dom.ArrayType;
import org.eclipse.wst.jsdt.core.dom.Assignment;
import org.eclipse.wst.jsdt.core.dom.Block;
import org.eclipse.wst.jsdt.core.dom.BlockComment;
import org.eclipse.wst.jsdt.core.dom.BodyDeclaration;
import org.eclipse.wst.jsdt.core.dom.BooleanLiteral;
import org.eclipse.wst.jsdt.core.dom.BreakStatement;
import org.eclipse.wst.jsdt.core.dom.CatchClause;
import org.eclipse.wst.jsdt.core.dom.CharacterLiteral;
import org.eclipse.wst.jsdt.core.dom.ClassInstanceCreation;
import org.eclipse.wst.jsdt.core.dom.ConditionalExpression;
import org.eclipse.wst.jsdt.core.dom.ConstructorInvocation;
import org.eclipse.wst.jsdt.core.dom.ContinueStatement;
import org.eclipse.wst.jsdt.core.dom.DoStatement;
import org.eclipse.wst.jsdt.core.dom.EmptyStatement;
import org.eclipse.wst.jsdt.core.dom.EnhancedForStatement;
import org.eclipse.wst.jsdt.core.dom.Expression;
import org.eclipse.wst.jsdt.core.dom.ExpressionStatement;
import org.eclipse.wst.jsdt.core.dom.FieldAccess;
import org.eclipse.wst.jsdt.core.dom.FieldDeclaration;
import org.eclipse.wst.jsdt.core.dom.ForInStatement;
import org.eclipse.wst.jsdt.core.dom.ForStatement;
import org.eclipse.wst.jsdt.core.dom.FunctionDeclaration;
import org.eclipse.wst.jsdt.core.dom.FunctionExpression;
import org.eclipse.wst.jsdt.core.dom.FunctionInvocation;
import org.eclipse.wst.jsdt.core.dom.FunctionRef;
import org.eclipse.wst.jsdt.core.dom.FunctionRefParameter;
import org.eclipse.wst.jsdt.core.dom.IfStatement;
import org.eclipse.wst.jsdt.core.dom.ImportDeclaration;
import org.eclipse.wst.jsdt.core.dom.InfixExpression;
import org.eclipse.wst.jsdt.core.dom.Initializer;
import org.eclipse.wst.jsdt.core.dom.InstanceofExpression;
import org.eclipse.wst.jsdt.core.dom.JSdoc;
import org.eclipse.wst.jsdt.core.dom.JavaScriptUnit;
import org.eclipse.wst.jsdt.core.dom.LabeledStatement;
import org.eclipse.wst.jsdt.core.dom.LineComment;
import org.eclipse.wst.jsdt.core.dom.ListExpression;
import org.eclipse.wst.jsdt.core.dom.MemberRef;
import org.eclipse.wst.jsdt.core.dom.Modifier;
import org.eclipse.wst.jsdt.core.dom.Name;
import org.eclipse.wst.jsdt.core.dom.NullLiteral;
import org.eclipse.wst.jsdt.core.dom.NumberLiteral;
import org.eclipse.wst.jsdt.core.dom.ObjectLiteral;
import org.eclipse.wst.jsdt.core.dom.ObjectLiteralField;
import org.eclipse.wst.jsdt.core.dom.PackageDeclaration;
import org.eclipse.wst.jsdt.core.dom.ParenthesizedExpression;
import org.eclipse.wst.jsdt.core.dom.PostfixExpression;
import org.eclipse.wst.jsdt.core.dom.PrefixExpression;
import org.eclipse.wst.jsdt.core.dom.PrimitiveType;
import org.eclipse.wst.jsdt.core.dom.QualifiedName;
import org.eclipse.wst.jsdt.core.dom.QualifiedType;
import org.eclipse.wst.jsdt.core.dom.RegularExpressionLiteral;
import org.eclipse.wst.jsdt.core.dom.ReturnStatement;
import org.eclipse.wst.jsdt.core.dom.SimpleName;
import org.eclipse.wst.jsdt.core.dom.SimpleType;
import org.eclipse.wst.jsdt.core.dom.SingleVariableDeclaration;
import org.eclipse.wst.jsdt.core.dom.Statement;
import org.eclipse.wst.jsdt.core.dom.StringLiteral;
import org.eclipse.wst.jsdt.core.dom.SuperConstructorInvocation;
import org.eclipse.wst.jsdt.core.dom.SuperFieldAccess;
import org.eclipse.wst.jsdt.core.dom.SuperMethodInvocation;
import org.eclipse.wst.jsdt.core.dom.SwitchCase;
import org.eclipse.wst.jsdt.core.dom.SwitchStatement;
import org.eclipse.wst.jsdt.core.dom.TagElement;
import org.eclipse.wst.jsdt.core.dom.TextElement;
import org.eclipse.wst.jsdt.core.dom.ThisExpression;
import org.eclipse.wst.jsdt.core.dom.ThrowStatement;
import org.eclipse.wst.jsdt.core.dom.TryStatement;
import org.eclipse.wst.jsdt.core.dom.Type;
import org.eclipse.wst.jsdt.core.dom.TypeDeclaration;
import org.eclipse.wst.jsdt.core.dom.TypeDeclarationStatement;
import org.eclipse.wst.jsdt.core.dom.TypeLiteral;
import org.eclipse.wst.jsdt.core.dom.UndefinedLiteral;
import org.eclipse.wst.jsdt.core.dom.VariableDeclarationExpression;
import org.eclipse.wst.jsdt.core.dom.VariableDeclarationFragment;
import org.eclipse.wst.jsdt.core.dom.VariableDeclarationStatement;
import org.eclipse.wst.jsdt.core.dom.WhileStatement;
import org.eclipse.wst.jsdt.core.dom.WithStatement;
/**
*
* Provisional API: This class/interface is part of an interim API that is still under development and expected to
* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
* (repeatedly) as the API evolves.
*/
public class ASTFlattener extends GenericVisitor {
/**
* The string buffer into which the serialized representation of the AST is
* written.
*/
protected StringBuffer fBuffer;
/**
* Creates a new AST printer.
*/
public ASTFlattener() {
this.fBuffer= new StringBuffer();
}
/**
* Returns the string accumulated in the visit.
*
* @return the serialized
*/
public String getResult() {
return this.fBuffer.toString();
}
/**
* Resets this printer so that it can be used again.
*/
public void reset() {
this.fBuffer.setLength(0);
}
public static String asString(ASTNode node) {
ASTFlattener flattener= new ASTFlattener();
node.accept(flattener);
return flattener.getResult();
}
protected boolean visitNode(ASTNode node) {
Assert.isTrue(false, "No implementation to flatten node: " + node.toString()); //$NON-NLS-1$
return false;
}
/**
* 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>)
*/
private void printModifiers(List ext) {
for (Iterator it= ext.iterator(); it.hasNext();) {
ASTNode p= (ASTNode) it.next();
p.accept(this);
this.fBuffer.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
*/
private void printModifiers(int modifiers) {
// if (Modifier.isPublic(modifiers)) {
// this.fBuffer.append("public ");//$NON-NLS-1$
// }
// if (Modifier.isProtected(modifiers)) {
// this.fBuffer.append("protected ");//$NON-NLS-1$
// }
// if (Modifier.isPrivate(modifiers)) {
// this.fBuffer.append("private ");//$NON-NLS-1$
// }
// if (Modifier.isStatic(modifiers)) {
// this.fBuffer.append("static ");//$NON-NLS-1$
// }
// if (Modifier.isAbstract(modifiers)) {
// this.fBuffer.append("abstract ");//$NON-NLS-1$
// }
// if (Modifier.isFinal(modifiers)) {
// this.fBuffer.append("final ");//$NON-NLS-1$
// }
// if (Modifier.isSynchronized(modifiers)) {
// this.fBuffer.append("synchronized ");//$NON-NLS-1$
// }
// if (Modifier.isVolatile(modifiers)) {
// this.fBuffer.append("volatile ");//$NON-NLS-1$
// }
// if (Modifier.isNative(modifiers)) {
// this.fBuffer.append("native ");//$NON-NLS-1$
// }
// if (Modifier.isStrictfp(modifiers)) {
// this.fBuffer.append("strictfp ");//$NON-NLS-1$
// }
// if (Modifier.isTransient(modifiers)) {
// this.fBuffer.append("transient ");//$NON-NLS-1$
// }
}
/*
* @see ASTVisitor#visit(AnonymousClassDeclaration)
*/
public boolean visit(AnonymousClassDeclaration node) {
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator it= node.bodyDeclarations().iterator(); it.hasNext();) {
BodyDeclaration b= (BodyDeclaration) it.next();
b.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ArrayAccess)
*/
public boolean visit(ArrayAccess node) {
node.getArray().accept(this);
this.fBuffer.append("[");//$NON-NLS-1$
node.getIndex().accept(this);
this.fBuffer.append("]");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ArrayCreation)
*/
public boolean visit(ArrayCreation node) {
this.fBuffer.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.fBuffer.append("[");//$NON-NLS-1$
Expression e= (Expression) it.next();
e.accept(this);
this.fBuffer.append("]");//$NON-NLS-1$
dims--;
}
// add empty "[]" for each extra array dimension
for (int i= 0; i < dims; i++) {
this.fBuffer.append("[]");//$NON-NLS-1$
}
if (node.getInitializer() != null) {
node.getInitializer().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(ArrayInitializer)
*/
public boolean visit(ArrayInitializer node) {
this.fBuffer.append("[");//$NON-NLS-1$
for (Iterator it= node.expressions().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append("]");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ArrayType)
*/
public boolean visit(ArrayType node) {
node.getComponentType().accept(this);
this.fBuffer.append("[]");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(Assignment)
*/
public boolean visit(Assignment node) {
node.getLeftHandSide().accept(this);
this.fBuffer.append(node.getOperator().toString());
node.getRightHandSide().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(Block)
*/
public boolean visit(Block node) {
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator it= node.statements().iterator(); it.hasNext();) {
Statement s= (Statement) it.next();
s.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(BlockComment)
*/
public boolean visit(BlockComment node) {
this.fBuffer.append("/* */");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(BooleanLiteral)
*/
public boolean visit(BooleanLiteral node) {
if (node.booleanValue() == true) {
this.fBuffer.append("true");//$NON-NLS-1$
} else {
this.fBuffer.append("false");//$NON-NLS-1$
}
return false;
}
/*
* @see ASTVisitor#visit(BreakStatement)
*/
public boolean visit(BreakStatement node) {
this.fBuffer.append("break");//$NON-NLS-1$
if (node.getLabel() != null) {
this.fBuffer.append(" ");//$NON-NLS-1$
node.getLabel().accept(this);
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
public boolean visit(FunctionExpression node) {
node.getMethod().accept(this);
return false;
}
public boolean visit(ObjectLiteral node) {
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator it= node.fields().iterator(); it.hasNext();) {
ObjectLiteralField field= (ObjectLiteralField) it.next();
field.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
public boolean visit(ObjectLiteralField node) {
node.getFieldName().accept(this);
this.fBuffer.append(" : ");//$NON-NLS-1$
node.getInitializer().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(CatchClause)
*/
public boolean visit(CatchClause node) {
this.fBuffer.append("catch (");//$NON-NLS-1$
node.getException().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(CharacterLiteral)
*/
public boolean visit(CharacterLiteral node) {
this.fBuffer.append(node.getEscapedValue());
return false;
}
public boolean visit(RegularExpressionLiteral node) {
this.fBuffer.append(node.getRegularExpression());
return false;
}
/*
* @see ASTVisitor#visit(ClassInstanceCreation)
*/
public boolean visit(ClassInstanceCreation node) {
if (node.getExpression() != null) {
node.getExpression().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
this.fBuffer.append("new ");//$NON-NLS-1$
// if (node.getAST().apiLevel() == AST.JLS2) {
// node.getName().accept(this);
// }
// if (node.getAST().apiLevel() >= AST.JLS3) {
// if (!node.typeArguments().isEmpty()) {
// this.fBuffer.append("<");//$NON-NLS-1$
// for (Iterator it= node.typeArguments().iterator(); it.hasNext();) {
// Type t= (Type) it.next();
// t.accept(this);
// if (it.hasNext()) {
// this.fBuffer.append(",");//$NON-NLS-1$
// }
// }
// this.fBuffer.append(">");//$NON-NLS-1$
// }
// node.getType().accept(this);
// }
node.getMember().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator it= node.arguments().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
if (node.getAnonymousClassDeclaration() != null) {
node.getAnonymousClassDeclaration().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(JavaScriptUnit)
*/
public boolean visit(JavaScriptUnit 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.fBuffer.append("?");//$NON-NLS-1$
node.getThenExpression().accept(this);
this.fBuffer.append(":");//$NON-NLS-1$
node.getElseExpression().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(ConstructorInvocation)
*/
public boolean visit(ConstructorInvocation node) {
if (node.getAST().apiLevel() >= AST.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator it= node.typeArguments().iterator(); it.hasNext();) {
Type t= (Type) it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
}
this.fBuffer.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.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(");");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ContinueStatement)
*/
public boolean visit(ContinueStatement node) {
this.fBuffer.append("continue");//$NON-NLS-1$
if (node.getLabel() != null) {
this.fBuffer.append(" ");//$NON-NLS-1$
node.getLabel().accept(this);
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(DoStatement)
*/
public boolean visit(DoStatement node) {
this.fBuffer.append("do ");//$NON-NLS-1$
node.getBody().accept(this);
this.fBuffer.append(" while (");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(");");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(EmptyStatement)
*/
public boolean visit(EmptyStatement node) {
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(EnhancedForStatement)
*/
public boolean visit(EnhancedForStatement node) {
this.fBuffer.append("for (");//$NON-NLS-1$
node.getParameter().accept(this);
this.fBuffer.append(" : ");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(ExpressionStatement)
*/
public boolean visit(ExpressionStatement node) {
node.getExpression().accept(this);
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(FieldAccess)
*/
public boolean visit(FieldAccess node) {
node.getExpression().accept(this);
this.fBuffer.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);
}
if (node.getAST().apiLevel() == AST.JLS2) {
printModifiers(node.getModifiers());
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator it= node.fragments().iterator(); it.hasNext();) {
VariableDeclarationFragment f= (VariableDeclarationFragment) it.next();
f.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ForStatement)
*/
public boolean visit(ForStatement node) {
this.fBuffer.append("for (");//$NON-NLS-1$
for (Iterator it= node.initializers().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
}
this.fBuffer.append("; ");//$NON-NLS-1$
if (node.getExpression() != null) {
node.getExpression().accept(this);
}
this.fBuffer.append("; ");//$NON-NLS-1$
for (Iterator it= node.updaters().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
}
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
public boolean visit(ForInStatement node) {
this.fBuffer.append("for (");//$NON-NLS-1$
if (node.getIterationVariable() != null) {
node.getIterationVariable().accept(this);
}
this.fBuffer.append(" in ");//$NON-NLS-1$
if (node.getCollection() != null) {
node.getCollection().accept(this);
}
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(IfStatement)
*/
public boolean visit(IfStatement node) {
this.fBuffer.append("if (");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
node.getThenStatement().accept(this);
if (node.getElseStatement() != null) {
this.fBuffer.append(" else ");//$NON-NLS-1$
node.getElseStatement().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(ImportDeclaration)
*/
public boolean visit(ImportDeclaration node) {
if (node.isFileImport())
return false;
this.fBuffer.append("import ");//$NON-NLS-1$
if (node.getAST().apiLevel() >= AST.JLS3) {
if (node.isStatic()) {
this.fBuffer.append("static ");//$NON-NLS-1$
}
}
node.getName().accept(this);
if (node.isOnDemand()) {
this.fBuffer.append(".*");//$NON-NLS-1$
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(InfixExpression)
*/
public boolean visit(InfixExpression node) {
node.getLeftOperand().accept(this);
this.fBuffer.append(' '); // for cases like x= i - -1; or x= i++ + ++i;
this.fBuffer.append(node.getOperator().toString());
this.fBuffer.append(' ');
node.getRightOperand().accept(this);
final List extendedOperands = node.extendedOperands();
if (extendedOperands.size() != 0) {
this.fBuffer.append(' ');
for (Iterator it = extendedOperands.iterator(); it.hasNext(); ) {
this.fBuffer.append(node.getOperator().toString()).append(' ');
Expression e = (Expression) it.next();
e.accept(this);
}
}
return false;
}
/*
* @see ASTVisitor#visit(InstanceofExpression)
*/
public boolean visit(InstanceofExpression node) {
node.getLeftOperand().accept(this);
this.fBuffer.append(" instanceof ");//$NON-NLS-1$
node.getRightOperand().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() == AST.JLS2) {
printModifiers(node.getModifiers());
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(Javadoc)
*/
public boolean visit(JSdoc node) {
this.fBuffer.append("/** ");//$NON-NLS-1$
for (Iterator it= node.tags().iterator(); it.hasNext();) {
ASTNode e= (ASTNode) it.next();
e.accept(this);
}
this.fBuffer.append("\n */");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(LabeledStatement)
*/
public boolean visit(LabeledStatement node) {
node.getLabel().accept(this);
this.fBuffer.append(": ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
public boolean visit(ListExpression node) {
for (Iterator it= node.expressions().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
return false;
}
/*
* @see ASTVisitor#visit(LineComment)
*/
public boolean visit(LineComment node) {
this.fBuffer.append("//\n");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(MemberRef)
*/
public boolean visit(MemberRef node) {
if (node.getQualifier() != null) {
node.getQualifier().accept(this);
}
this.fBuffer.append("#");//$NON-NLS-1$
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(FunctionRef)
*/
public boolean visit(FunctionRef node) {
if (node.getQualifier() != null) {
node.getQualifier().accept(this);
}
this.fBuffer.append("#");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator it= node.parameters().iterator(); it.hasNext();) {
FunctionRefParameter e= (FunctionRefParameter) it.next();
e.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(FunctionRefParameter)
*/
public boolean visit(FunctionRefParameter node) {
node.getType().accept(this);
if (node.getAST().apiLevel() >= AST.JLS3) {
if (node.isVarargs()) {
this.fBuffer.append("...");//$NON-NLS-1$
}
}
if (node.getName() != null) {
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(FunctionDeclaration)
*/
public boolean visit(FunctionDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
if (node.getAST().apiLevel() == AST.JLS2) {
printModifiers(node.getModifiers());
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
// if (!node.isConstructor()) {
// if (node.getAST().apiLevel() == AST.JLS2) {
// node.getReturnType().accept(this);
// } else {
// if (node.getReturnType2() != null) {
// node.getReturnType2().accept(this);
// } else {
// // methods really ought to have a return type
// this.fBuffer.append("void");//$NON-NLS-1$
// }
// }
// this.fBuffer.append(" ");//$NON-NLS-1$
// }
if (node.getName()!=null)
node.getName().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator it= node.parameters().iterator(); it.hasNext();) {
SingleVariableDeclaration v= (SingleVariableDeclaration) it.next();
v.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
for (int i= 0; i < node.getExtraDimensions(); i++) {
this.fBuffer.append("[]"); //$NON-NLS-1$
}
if (!node.thrownExceptions().isEmpty()) {
this.fBuffer.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.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
}
if (node.getBody() == null) {
this.fBuffer.append(";");//$NON-NLS-1$
} else {
node.getBody().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(FunctionInvocation)
*/
public boolean visit(FunctionInvocation node) {
if (node.getExpression() != null) {
node.getExpression().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
if (node.getAST().apiLevel() >= AST.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator it= node.typeArguments().iterator(); it.hasNext();) {
Type t= (Type) it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
}
SimpleName name = node.getName();
if (name!=null)
name.accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator it= node.arguments().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(Modifier)
*/
public boolean visit(Modifier node) {
this.fBuffer.append(node.getKeyword().toString());
return false;
}
/*
* @see ASTVisitor#visit(NullLiteral)
*/
public boolean visit(NullLiteral node) {
this.fBuffer.append("null");//$NON-NLS-1$
return false;
}
public boolean visit(UndefinedLiteral node) {
this.fBuffer.append("undefined");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(NumberLiteral)
*/
public boolean visit(NumberLiteral node) {
this.fBuffer.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);
}
}
this.fBuffer.append("package ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ParenthesizedExpression)
*/
public boolean visit(ParenthesizedExpression node) {
this.fBuffer.append("(");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(")");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(PostfixExpression)
*/
public boolean visit(PostfixExpression node) {
node.getOperand().accept(this);
this.fBuffer.append(node.getOperator().toString());
return false;
}
/*
* @see ASTVisitor#visit(PrefixExpression)
*/
public boolean visit(PrefixExpression node) {
this.fBuffer.append(node.getOperator().toString());
node.getOperand().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(PrimitiveType)
*/
public boolean visit(PrimitiveType node) {
this.fBuffer.append(node.getPrimitiveTypeCode().toString());
return false;
}
/*
* @see ASTVisitor#visit(QualifiedName)
*/
public boolean visit(QualifiedName node) {
node.getQualifier().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(QualifiedType)
*/
public boolean visit(QualifiedType node) {
node.getQualifier().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(ReturnStatement)
*/
public boolean visit(ReturnStatement node) {
this.fBuffer.append("return");//$NON-NLS-1$
if (node.getExpression() != null) {
this.fBuffer.append(" ");//$NON-NLS-1$
node.getExpression().accept(this);
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(SimpleName)
*/
public boolean visit(SimpleName node) {
this.fBuffer.append(node.getIdentifier());
return false;
}
/*
* @see ASTVisitor#visit(SimpleType)
*/
public boolean visit(SimpleType node) {
return true;
}
/*
* @see ASTVisitor#visit(SingleVariableDeclaration)
*/
public boolean visit(SingleVariableDeclaration node) {
if (node.getAST().apiLevel() == AST.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.fBuffer.append("...");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
for (int i= 0; i < node.getExtraDimensions(); i++) {
this.fBuffer.append("[]"); //$NON-NLS-1$
}
if (node.getInitializer() != null) {
this.fBuffer.append("=");//$NON-NLS-1$
node.getInitializer().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(StringLiteral)
*/
public boolean visit(StringLiteral node) {
this.fBuffer.append(node.getEscapedValue());
return false;
}
/*
* @see ASTVisitor#visit(SuperConstructorInvocation)
*/
public boolean visit(SuperConstructorInvocation node) {
if (node.getExpression() != null) {
node.getExpression().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
if (node.getAST().apiLevel() >= AST.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator it= node.typeArguments().iterator(); it.hasNext();) {
Type t= (Type) it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
}
this.fBuffer.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.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(");");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(SuperFieldAccess)
*/
public boolean visit(SuperFieldAccess node) {
if (node.getQualifier() != null) {
node.getQualifier().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
this.fBuffer.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.fBuffer.append(".");//$NON-NLS-1$
}
this.fBuffer.append("super.");//$NON-NLS-1$
if (node.getAST().apiLevel() >= AST.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator it= node.typeArguments().iterator(); it.hasNext();) {
Type t= (Type) it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
}
node.getName().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator it= node.arguments().iterator(); it.hasNext();) {
Expression e= (Expression) it.next();
e.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(SwitchCase)
*/
public boolean visit(SwitchCase node) {
if (node.isDefault()) {
this.fBuffer.append("default :");//$NON-NLS-1$
} else {
this.fBuffer.append("case ");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(":");//$NON-NLS-1$
}
return false;
}
/*
* @see ASTVisitor#visit(SwitchStatement)
*/
public boolean visit(SwitchStatement node) {
this.fBuffer.append("switch (");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator it= node.statements().iterator(); it.hasNext();) {
Statement s= (Statement) it.next();
s.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(TagElement)
*/
public boolean visit(TagElement node) {
if (node.isNested()) {
// nested tags are always enclosed in braces
this.fBuffer.append("{");//$NON-NLS-1$
} else {
// top-level tags always begin on a new line
this.fBuffer.append("\n * ");//$NON-NLS-1$
}
boolean previousRequiresWhiteSpace= false;
if (node.getTagName() != null) {
this.fBuffer.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, FunctionRef, and nested TagElement do not include white space
boolean currentIncludesWhiteSpace= (e instanceof TextElement);
if (previousRequiresNewLine && currentIncludesWhiteSpace) {
this.fBuffer.append("\n * ");//$NON-NLS-1$
}
previousRequiresNewLine= currentIncludesWhiteSpace;
// add space if required to separate
if (previousRequiresWhiteSpace && !currentIncludesWhiteSpace) {
this.fBuffer.append(" "); //$NON-NLS-1$
}
e.accept(this);
previousRequiresWhiteSpace= !currentIncludesWhiteSpace && !(e instanceof TagElement);
}
if (node.isNested()) {
this.fBuffer.append("}");//$NON-NLS-1$
}
return false;
}
/*
* @see ASTVisitor#visit(TextElement)
*/
public boolean visit(TextElement node) {
this.fBuffer.append(node.getText());
return false;
}
/*
* @see ASTVisitor#visit(ThisExpression)
*/
public boolean visit(ThisExpression node) {
if (node.getQualifier() != null) {
node.getQualifier().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
this.fBuffer.append("this");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ThrowStatement)
*/
public boolean visit(ThrowStatement node) {
this.fBuffer.append("throw ");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(TryStatement)
*/
public boolean visit(TryStatement node) {
this.fBuffer.append("try ");//$NON-NLS-1$
node.getBody().accept(this);
this.fBuffer.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.fBuffer.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() == AST.JLS2) {
printModifiers(node.getModifiers());
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
this.fBuffer.append("class ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
if (node.getAST().apiLevel() == AST.JLS2) {
if (node.getSuperclass() != null) {
this.fBuffer.append("extends ");//$NON-NLS-1$
node.getSuperclass().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
}
}
if (node.getAST().apiLevel() >= AST.JLS3) {
if (node.getSuperclassType() != null) {
this.fBuffer.append("extends ");//$NON-NLS-1$
node.getSuperclassType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
}
}
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator it= node.bodyDeclarations().iterator(); it.hasNext();) {
BodyDeclaration d= (BodyDeclaration) it.next();
d.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(TypeDeclarationStatement)
*/
public boolean visit(TypeDeclarationStatement node) {
if (node.getAST().apiLevel() == AST.JLS2) {
node.getTypeDeclaration().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.fBuffer.append(".class");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(VariableDeclarationExpression)
*/
public boolean visit(VariableDeclarationExpression node) {
if (node.getAST().apiLevel() == AST.JLS2) {
printModifiers(node.getModifiers());
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
// node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator it= node.fragments().iterator(); it.hasNext();) {
VariableDeclarationFragment f= (VariableDeclarationFragment) it.next();
f.accept(this);
if (it.hasNext()) {
this.fBuffer.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.fBuffer.append("[]");//$NON-NLS-1$
}
if (node.getInitializer() != null) {
this.fBuffer.append("=");//$NON-NLS-1$
node.getInitializer().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(VariableDeclarationStatement)
*/
public boolean visit(VariableDeclarationStatement node) {
if (node.getAST().apiLevel() == AST.JLS2) {
printModifiers(node.getModifiers());
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator it= node.fragments().iterator(); it.hasNext();) {
VariableDeclarationFragment f= (VariableDeclarationFragment) it.next();
f.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(WhileStatement)
*/
public boolean visit(WhileStatement node) {
this.fBuffer.append("while (");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
public boolean visit(WithStatement node) {
this.fBuffer.append("with (");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
}