blob: f9c25fe91e771a5158ae8d444dced6557c53e476 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2000, 2021 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.corext.dom;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jdt.core.dom.*;
import org.eclipse.jdt.internal.ui.util.ASTHelper;
public class ASTFlattener extends GenericVisitor {
/*
* XXX: Keep in sync with org.eclipse.jdt.internal.core.dom.NaiveASTFlattener:
* Rename NaiveASTFlattener#buffer to fBuffer, compare with this class, focus on structural changes
*/
/**
* 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) {
Assert.isTrue(node.getAST().apiLevel() == IASTSharedValues.SHARED_AST_LEVEL);
ASTFlattener flattener= new ASTFlattener();
node.accept(flattener);
return flattener.getResult();
}
@Override
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>IExtendedModifier</code>)
*/
private void printModifiers(List<IExtendedModifier> ext) {
for (IExtendedModifier iExtendedModifier : ext) {
ASTNode p= (ASTNode) iExtendedModifier;
p.accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
}
}
private void printTypes(List<Type> types, String prefix) {
if (types.size() > 0) {
this.fBuffer.append(" " + prefix + " ");//$NON-NLS-1$ //$NON-NLS-2$
Type type = types.get(0);
type.accept(this);
for (int i = 1, l = types.size(); i < l; ++i) {
this.fBuffer.append(","); //$NON-NLS-1$
type = types.get(0);
type.accept(this);
}
}
}
private void printReferenceTypeArguments(List<Type> typeArguments) {
this.fBuffer.append("::");//$NON-NLS-1$
if (!typeArguments.isEmpty()) {
this.fBuffer.append('<');
for (Iterator<Type> it = typeArguments.iterator(); it.hasNext(); ) {
Type t = it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(',');
}
}
this.fBuffer.append('>');
}
}
void printTypeAnnotations(AnnotatableType node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS8) {
printAnnotationsList(node.annotations());
}
}
void printAnnotationsList(List<? extends Annotation> annotations) {
for (Annotation annotation : annotations) {
annotation.accept(this);
this.fBuffer.append(' ');
}
}
/**
* @param node node
* @return component type
* @deprecated to avoid deprecation warning
*/
@Deprecated
private static Type getComponentType(ArrayType node) {
return node.getComponentType();
}
/**
* @param node node
* @return thrown exception names
* @deprecated to avoid deprecation warning
*/
@Deprecated
private static List<Name> getThrownExceptions(MethodDeclaration node) {
return node.thrownExceptions();
}
/*
* @see ASTVisitor#visit(AnnotationTypeDeclaration)
* @since 3.0
*/
@Override
public boolean visit(AnnotationTypeDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
this.fBuffer.append("@interface ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" {");//$NON-NLS-1$
for (Iterator<BodyDeclaration> it= node.bodyDeclarations().iterator(); it.hasNext();) {
BodyDeclaration d= it.next();
d.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(AnnotationTypeMemberDeclaration)
* @since 3.0
*/
@Override
public boolean visit(AnnotationTypeMemberDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append("()");//$NON-NLS-1$
if (node.getDefault() != null) {
this.fBuffer.append(" default ");//$NON-NLS-1$
node.getDefault().accept(this);
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(AnonymousClassDeclaration)
*/
@Override
public boolean visit(AnonymousClassDeclaration node) {
this.fBuffer.append("{");//$NON-NLS-1$
List<BodyDeclaration> bodyDeclarations= node.bodyDeclarations();
for (BodyDeclaration b : bodyDeclarations) {
b.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ArrayAccess)
*/
@Override
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)
*/
@Override
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<Expression> it= node.dimensions().iterator(); it.hasNext();) {
this.fBuffer.append("[");//$NON-NLS-1$
Expression e= 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)
*/
@Override
public boolean visit(ArrayInitializer node) {
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator<Expression> it= node.expressions().iterator(); it.hasNext();) {
Expression e= 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)
*/
@Override
public boolean visit(ArrayType node) {
if (node.getAST().apiLevel() < ASTHelper.JLS8) {
getComponentType(node).accept(this);
this.fBuffer.append("[]");//$NON-NLS-1$
} else {
node.getElementType().accept(this);
List<Dimension> dimensions = node.dimensions();
for (Dimension dimension : dimensions) {
dimension.accept(this);
}
}
return false;
}
/*
* @see ASTVisitor#visit(AssertStatement)
*/
@Override
public boolean visit(AssertStatement node) {
this.fBuffer.append("assert ");//$NON-NLS-1$
node.getExpression().accept(this);
if (node.getMessage() != null) {
this.fBuffer.append(" : ");//$NON-NLS-1$
node.getMessage().accept(this);
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(Assignment)
*/
@Override
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)
*/
@Override
public boolean visit(Block node) {
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator<Statement> it= node.statements().iterator(); it.hasNext();) {
Statement s= it.next();
s.accept(this);
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(BlockComment)
* @since 3.0
*/
@Override
public boolean visit(BlockComment node) {
this.fBuffer.append("/* */");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(BooleanLiteral)
*/
@Override
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)
*/
@Override
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;
}
@Override
public boolean visit(CaseDefaultExpression node) {
if (ASTHelper.isPatternSupported(node.getAST())) {
this.fBuffer.append("default");//$NON-NLS-1$
}
return false;
}
/*
* @see ASTVisitor#visit(CastExpression)
*/
@Override
public boolean visit(CastExpression node) {
this.fBuffer.append("(");//$NON-NLS-1$
node.getType().accept(this);
this.fBuffer.append(")");//$NON-NLS-1$
node.getExpression().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(CatchClause)
*/
@Override
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)
*/
@Override
public boolean visit(CharacterLiteral node) {
this.fBuffer.append(node.getEscapedValue());
return false;
}
/*
* @see ASTVisitor#visit(ClassInstanceCreation)
*/
@Override
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() >= ASTHelper.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<Type> it= node.typeArguments().iterator(); it.hasNext();) {
Type t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
node.getType().accept(this);
}
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator<Expression> it= node.arguments().iterator(); it.hasNext();) {
Expression e= 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(CompilationUnit)
*/
@Override
public boolean visit(CompilationUnit node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS9) {
if (node.getModule() != null) {
node.getModule().accept(this);
}
}
if (node.getPackage() != null) {
node.getPackage().accept(this);
}
for (Iterator<ImportDeclaration> it= node.imports().iterator(); it.hasNext();) {
ImportDeclaration d= it.next();
d.accept(this);
}
for (Iterator<AbstractTypeDeclaration> it= node.types().iterator(); it.hasNext();) {
AbstractTypeDeclaration d= it.next();
d.accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(ConditionalExpression)
*/
@Override
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)
*/
@Override
public boolean visit(ConstructorInvocation node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<Type> it= node.typeArguments().iterator(); it.hasNext();) {
Type t= 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<Expression> it= node.arguments().iterator(); it.hasNext();) {
Expression e= 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)
*/
@Override
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(CreationReference)
*/
@Override
public boolean visit(CreationReference node) {
node.getType().accept(this);
printReferenceTypeArguments(node.typeArguments());
this.fBuffer.append("new");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(Dimension)
*/
@Override
public boolean visit(Dimension node) {
this.fBuffer.append(" ");//$NON-NLS-1$
printAnnotationsList(node.annotations());
this.fBuffer.append("[]"); //$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(DoStatement)
*/
@Override
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)
*/
@Override
public boolean visit(EmptyStatement node) {
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(EnhancedForStatement)
* @since 3.0
*/
@Override
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(EnumConstantDeclaration)
* @since 3.0
*/
@Override
public boolean visit(EnumConstantDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
node.getName().accept(this);
if (!node.arguments().isEmpty()) {
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator<Expression> it= node.arguments().iterator(); it.hasNext();) {
Expression e= 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(EnumDeclaration)
* @since 3.0
*/
@Override
public boolean visit(EnumDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
this.fBuffer.append("enum ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
if (!node.superInterfaceTypes().isEmpty()) {
this.fBuffer.append("implements ");//$NON-NLS-1$
for (Iterator<Type> it= node.superInterfaceTypes().iterator(); it.hasNext();) {
Type t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
}
this.fBuffer.append("{");//$NON-NLS-1$
for (Iterator<EnumConstantDeclaration> it = node.enumConstants().iterator(); it.hasNext(); ) {
EnumConstantDeclaration d = it.next();
d.accept(this);
// enum constant declarations do not include punctuation
if (it.hasNext()) {
// enum constant declarations are separated by commas
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
if (!node.bodyDeclarations().isEmpty()) {
this.fBuffer.append("; ");//$NON-NLS-1$
for (Iterator<BodyDeclaration> it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
BodyDeclaration d = it.next();
d.accept(this);
// other body declarations include trailing punctuation
}
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
@Override
public boolean visit(ExportsDirective node) {
return visit(node, "exports"); //$NON-NLS-1$
}
/*
* @see ASTVisitor#visit(ExpressionMethodReference)
*/
@Override
public boolean visit(ExpressionMethodReference node) {
node.getExpression().accept(this);
printReferenceTypeArguments(node.typeArguments());
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(ExpressionStatement)
*/
@Override
public boolean visit(ExpressionStatement node) {
node.getExpression().accept(this);
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(FieldAccess)
*/
@Override
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)
*/
@Override
public boolean visit(FieldDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
}
node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator<VariableDeclarationFragment> it= node.fragments().iterator(); it.hasNext();) {
VariableDeclarationFragment f= 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)
*/
@Override
public boolean visit(ForStatement node) {
this.fBuffer.append("for (");//$NON-NLS-1$
for (Iterator<Expression> it= node.initializers().iterator(); it.hasNext();) {
Expression e= 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<Expression> it= node.updaters().iterator(); it.hasNext();) {
Expression e= it.next();
e.accept(this);
}
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
@Override
public boolean visit(GuardedPattern node) {
if (ASTHelper.isPatternSupported(node.getAST())) {
node.getPattern().accept(this);
this.fBuffer.append(" && ");//$NON-NLS-1$
node.getExpression().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(IfStatement)
*/
@Override
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)
*/
@Override
public boolean visit(ImportDeclaration node) {
this.fBuffer.append("import ");//$NON-NLS-1$
if (node.getAST().apiLevel() >= ASTHelper.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)
*/
@Override
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<Expression>extendedOperands = node.extendedOperands();
if (!extendedOperands.isEmpty()) {
this.fBuffer.append(' ');
for (Expression e : extendedOperands) {
this.fBuffer.append(node.getOperator().toString()).append(' ');
e.accept(this);
}
}
return false;
}
/*
* @see ASTVisitor#visit(Initializer)
*/
@Override
public boolean visit(Initializer node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
}
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(InstanceofExpression)
*/
@Override
public boolean visit(InstanceofExpression node) {
node.getLeftOperand().accept(this);
this.fBuffer.append(" instanceof ");//$NON-NLS-1$
node.getRightOperand().accept(this);
return false;
}
@Override
public boolean visit(PatternInstanceofExpression node) {
node.getLeftOperand().accept(this);
this.fBuffer.append(" instanceof ");//$NON-NLS-1$
node.getRightOperand().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(IntersectionType)
*/
@Override
public boolean visit(IntersectionType node) {
for (Iterator<Type> it = node.types().iterator(); it.hasNext(); ) {
Type t = it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(" & "); //$NON-NLS-1$
}
}
return false;
}
/*
* @see ASTVisitor#visit(Javadoc)
*/
@Override
public boolean visit(Javadoc node) {
this.fBuffer.append("/** ");//$NON-NLS-1$
for (Iterator<TagElement> it= node.tags().iterator(); it.hasNext();) {
ASTNode e= it.next();
e.accept(this);
}
this.fBuffer.append("\n */");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(LabeledStatement)
*/
@Override
public boolean visit(LabeledStatement node) {
node.getLabel().accept(this);
this.fBuffer.append(": ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(LambdaExpression)
*/
@Override
public boolean visit(LambdaExpression node) {
boolean hasParentheses= node.hasParentheses();
if (hasParentheses)
this.fBuffer.append('(');
for (Iterator<? extends VariableDeclaration> it= node.parameters().iterator(); it.hasNext(); ) {
VariableDeclaration v= it.next();
v.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
if (hasParentheses)
this.fBuffer.append(')');
this.fBuffer.append(" -> "); //$NON-NLS-1$
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(LineComment)
* @since 3.0
*/
@Override
public boolean visit(LineComment node) {
this.fBuffer.append("//\n");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(MarkerAnnotation)
* @since 3.0
*/
@Override
public boolean visit(MarkerAnnotation node) {
this.fBuffer.append("@");//$NON-NLS-1$
node.getTypeName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(MemberRef)
* @since 3.0
*/
@Override
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(MemberValuePair)
* @since 3.0
*/
@Override
public boolean visit(MemberValuePair node) {
node.getName().accept(this);
this.fBuffer.append("=");//$NON-NLS-1$
node.getValue().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(MethodRef)
* @since 3.0
*/
@Override
public boolean visit(MethodRef 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<MethodRefParameter> it= node.parameters().iterator(); it.hasNext();) {
MethodRefParameter e= 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(MethodRefParameter)
* @since 3.0
*/
@Override
public boolean visit(MethodRefParameter node) {
node.getType().accept(this);
if (node.getAST().apiLevel() >= ASTHelper.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(MethodDeclaration)
*/
@Override
public boolean visit(MethodDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
if (!node.typeParameters().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<TypeParameter> it= node.typeParameters().iterator(); it.hasNext();) {
TypeParameter t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append("> ");//$NON-NLS-1$
}
}
if (!node.isConstructor()) {
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(" ");//$NON-NLS-1$
}
node.getName().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
if (node.getAST().apiLevel() >= ASTHelper.JLS8) {
Type receiverType= node.getReceiverType();
if (receiverType != null) {
receiverType.accept(this);
this.fBuffer.append(' ');
SimpleName qualifier= node.getReceiverQualifier();
if (qualifier != null) {
qualifier.accept(this);
this.fBuffer.append('.');
}
this.fBuffer.append("this"); //$NON-NLS-1$
if (node.parameters().size() > 0) {
this.fBuffer.append(',');
}
}
}
for (Iterator<SingleVariableDeclaration> it= node.parameters().iterator(); it.hasNext();) {
SingleVariableDeclaration v= it.next();
v.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
if (node.getAST().apiLevel() >= ASTHelper.JLS8) {
List<Dimension> dimensions = node.extraDimensions();
for (Dimension e : dimensions) {
e.accept(this);
}
} else {
for (int i= 0; i < node.getExtraDimensions(); i++) {
this.fBuffer.append("[]"); //$NON-NLS-1$
}
}
List<? extends ASTNode> thrownExceptions= node.getAST().apiLevel() >= ASTHelper.JLS8 ? node.thrownExceptionTypes() : getThrownExceptions(node);
if (!thrownExceptions.isEmpty()) {
this.fBuffer.append(" throws ");//$NON-NLS-1$
for (Iterator<? extends ASTNode> it= thrownExceptions.iterator(); it.hasNext();) {
ASTNode n = 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(MethodInvocation)
*/
@Override
public boolean visit(MethodInvocation node) {
if (node.getExpression() != null) {
node.getExpression().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<Type> it= node.typeArguments().iterator(); it.hasNext();) {
Type t= 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<Expression> it= node.arguments().iterator(); it.hasNext();) {
Expression e= 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)
* @since 3.0
*/
@Override
public boolean visit(Modifier node) {
this.fBuffer.append(node.getKeyword().toString());
return false;
}
@Override
public boolean visit(ModuleDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.annotations());
if (node.isOpen())
this.fBuffer.append("open "); //$NON-NLS-1$
this.fBuffer.append("module"); //$NON-NLS-1$
this.fBuffer.append(" "); //$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" {\n"); //$NON-NLS-1$
for (ModuleDirective stmt : (List<ModuleDirective>)node.moduleStatements()) {
stmt.accept(this);
}
this.fBuffer.append("}"); //$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ModuleModifier)
* @since 3.14
*/
@Override
public boolean visit(ModuleModifier node) {
this.fBuffer.append(node.getKeyword().toString());
return false;
}
private boolean visit(ModulePackageAccess node, String keyword) {
this.fBuffer.append(keyword);
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
printTypes(node.modules(), "to"); //$NON-NLS-1$
this.fBuffer.append(";\n");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(NameQualifiedType)
*/
@Override
public boolean visit(NameQualifiedType node) {
node.getQualifier().accept(this);
this.fBuffer.append('.');
printTypeAnnotations(node);
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(NormalAnnotation)
* @since 3.0
*/
@Override
public boolean visit(NormalAnnotation node) {
this.fBuffer.append("@");//$NON-NLS-1$
node.getTypeName().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator<MemberValuePair> it= node.values().iterator(); it.hasNext();) {
MemberValuePair p= it.next();
p.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(NullLiteral)
*/
@Override
public boolean visit(NullLiteral node) {
this.fBuffer.append("null");//$NON-NLS-1$
return false;
}
@Override
public boolean visit(NullPattern node) {
if (ASTHelper.isPatternSupported(node.getAST())) {
this.fBuffer.append("null");//$NON-NLS-1$
}
return false;
}
/*
* @see ASTVisitor#visit(NumberLiteral)
*/
@Override
public boolean visit(NumberLiteral node) {
this.fBuffer.append(node.getToken());
return false;
}
@Override
public boolean visit(OpensDirective node) {
return visit(node, "opens"); //$NON-NLS-1$
}
/*
* @see ASTVisitor#visit(PackageDeclaration)
*/
@Override
public boolean visit(PackageDeclaration node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
for (Iterator<Annotation> it= node.annotations().iterator(); it.hasNext();) {
Annotation p= it.next();
p.accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
}
}
this.fBuffer.append("package ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ParameterizedType)
* @since 3.0
*/
@Override
public boolean visit(ParameterizedType node) {
node.getType().accept(this);
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<Type> it= node.typeArguments().iterator(); it.hasNext();) {
Type t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ParenthesizedExpression)
*/
@Override
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)
*/
@Override
public boolean visit(PostfixExpression node) {
node.getOperand().accept(this);
this.fBuffer.append(node.getOperator().toString());
return false;
}
/*
* @see ASTVisitor#visit(PrefixExpression)
*/
@Override
public boolean visit(PrefixExpression node) {
this.fBuffer.append(node.getOperator().toString());
node.getOperand().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(PrimitiveType)
*/
@Override
public boolean visit(PrimitiveType node) {
printTypeAnnotations(node);
this.fBuffer.append(node.getPrimitiveTypeCode().toString());
return false;
}
@Override
public boolean visit(ProvidesDirective node) {
this.fBuffer.append("provides");//$NON-NLS-1$
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
printTypes(node.implementations(), "with"); //$NON-NLS-1$
this.fBuffer.append(";\n");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(QualifiedName)
*/
@Override
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)
* @since 3.0
*/
@Override
public boolean visit(QualifiedType node) {
node.getQualifier().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
printTypeAnnotations(node);
node.getName().accept(this);
return false;
}
@Override
public boolean visit(RecordDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
this.fBuffer.append("record ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
if (!node.typeParameters().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<TypeParameter> it = node.typeParameters().iterator(); it.hasNext(); ) {
TypeParameter t = it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
this.fBuffer.append(" ");//$NON-NLS-1$
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator<SingleVariableDeclaration> it = node.recordComponents().iterator(); it.hasNext(); ) {
SingleVariableDeclaration v = it.next();
v.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(")");//$NON-NLS-1$
if (!node.superInterfaceTypes().isEmpty()) {
this.fBuffer.append(" implements ");//$NON-NLS-1$
for (Iterator<Type> it = node.superInterfaceTypes().iterator(); it.hasNext(); ) {
Type t = it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
}
this.fBuffer.append("{");//$NON-NLS-1$
if (!node.bodyDeclarations().isEmpty()) {
this.fBuffer.append("\n");//$NON-NLS-1$
for (Iterator<BodyDeclaration> it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
BodyDeclaration d = it.next();
d.accept(this);
// other body declarations include trailing punctuation
}
}
this.fBuffer.append("}\n");//$NON-NLS-1$
return false;
}
@Override
public boolean visit(RequiresDirective node) {
this.fBuffer.append("requires");//$NON-NLS-1$
this.fBuffer.append(" ");//$NON-NLS-1$
printModifiers(node.modifiers());
node.getName().accept(this);
this.fBuffer.append(";\n");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(ReturnStatement)
*/
@Override
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)
*/
@Override
public boolean visit(SimpleName node) {
this.fBuffer.append(node.getIdentifier());
return false;
}
/*
* @see ASTVisitor#visit(SimpleType)
*/
@Override
public boolean visit(SimpleType node) {
printTypeAnnotations(node);
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(SingleMemberAnnotation)
* @since 3.0
*/
@Override
public boolean visit(SingleMemberAnnotation node) {
this.fBuffer.append("@");//$NON-NLS-1$
node.getTypeName().accept(this);
this.fBuffer.append("(");//$NON-NLS-1$
node.getValue().accept(this);
this.fBuffer.append(")");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(SingleVariableDeclaration)
*/
@Override
public boolean visit(SingleVariableDeclaration node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
}
node.getType().accept(this);
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (node.isVarargs()) {
if (node.getAST().apiLevel() >= ASTHelper.JLS8) {
this.fBuffer.append(' ');
List<Annotation> annotations= node.varargsAnnotations();
printAnnotationsList(annotations);
}
this.fBuffer.append("...");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
if (node.getAST().apiLevel() >= ASTHelper.JLS8) {
List<Dimension> dimensions = node.extraDimensions();
for (Dimension e : dimensions) {
e.accept(this);
}
} else {
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)
*/
@Override
public boolean visit(StringLiteral node) {
this.fBuffer.append(node.getEscapedValue());
return false;
}
/*
* @see ASTVisitor#visit(StringLiteral)
*/
@Override
public boolean visit(TextBlock node) {
this.fBuffer.append(node.getEscapedValue());
return false;
}
/*
* @see ASTVisitor#visit(SuperConstructorInvocation)
*/
@Override
public boolean visit(SuperConstructorInvocation node) {
if (node.getExpression() != null) {
node.getExpression().accept(this);
this.fBuffer.append(".");//$NON-NLS-1$
}
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<Type> it= node.typeArguments().iterator(); it.hasNext();) {
Type t= 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<Expression> it= node.arguments().iterator(); it.hasNext();) {
Expression e= 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)
*/
@Override
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)
*/
@Override
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() >= ASTHelper.JLS3) {
if (!node.typeArguments().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<Type> it= node.typeArguments().iterator(); it.hasNext();) {
Type t= 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<Expression> it= node.arguments().iterator(); it.hasNext();) {
Expression e= 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(SuperMethodReference)
*/
@Override
public boolean visit(SuperMethodReference node) {
if (node.getQualifier() != null) {
node.getQualifier().accept(this);
this.fBuffer.append('.');
}
this.fBuffer.append("super");//$NON-NLS-1$
printReferenceTypeArguments(node.typeArguments());
node.getName().accept(this);
return false;
}
@Override
public boolean visit(SwitchCase node) {
if (ASTHelper.isSwitchCaseExpressionsSupportedInAST(node.getAST())) {
if (node.isDefault() && !isCaseDefaultExpression(node)) {
this.fBuffer.append("default");//$NON-NLS-1$
this.fBuffer.append(node.isSwitchLabeledRule() ? " ->" : ":");//$NON-NLS-1$ //$NON-NLS-2$
} else {
this.fBuffer.append("case ");//$NON-NLS-1$
for (Iterator<Expression> it= node.expressions().iterator(); it.hasNext();) {
Expression t= it.next();
t.accept(this);
this.fBuffer.append(it.hasNext() ? ", " : //$NON-NLS-1$
node.isSwitchLabeledRule() ? " ->" : ":");//$NON-NLS-1$ //$NON-NLS-2$
}
}
} else {
if (node.isDefault() && !isCaseDefaultExpression(node)) {
this.fBuffer.append("default :\n");//$NON-NLS-1$
} else {
this.fBuffer.append("case ");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(":\n");//$NON-NLS-1$
}
}
return false;
}
private boolean isCaseDefaultExpression(SwitchCase node) {
if (node.expressions() != null && node.expressions().size() == 1 && node.expressions().get(0) instanceof CaseDefaultExpression) {
return true;
}
return false;
}
@Override
public boolean visit(YieldStatement node) {
if (ASTHelper.isYieldNodeSupportedInAST(node.getAST()) && node.isImplicit() && node.getExpression() == null) {
return false;
}
this.fBuffer.append("yield"); //$NON-NLS-1$
if (node.getExpression() != null) {
this.fBuffer.append(" ");//$NON-NLS-1$
node.getExpression().accept(this);
}
this.fBuffer.append(";");//$NON-NLS-1$
return false;
}
@Override
public boolean visit(SwitchStatement node) {
visitSwitchNode(node);
return false;
}
@Override
public boolean visit(SwitchExpression node) {
visitSwitchNode(node);
return false;
}
private void visitSwitchNode(ASTNode node) {
this.fBuffer.append("switch (");//$NON-NLS-1$
if (node instanceof SwitchExpression) {
((SwitchExpression) node).getExpression().accept(this);
} else if (node instanceof SwitchStatement) {
((SwitchStatement) node).getExpression().accept(this);
}
this.fBuffer.append(") ");//$NON-NLS-1$
this.fBuffer.append("{\n");//$NON-NLS-1$
if (node instanceof SwitchExpression) {
for (Iterator<Statement> it= ((SwitchExpression) node).statements().iterator(); it.hasNext();) {
Statement s= it.next();
s.accept(this);
}
} else if (node instanceof SwitchStatement) {
for (Iterator<Statement> it= ((SwitchStatement) node).statements().iterator(); it.hasNext();) {
Statement s= it.next();
s.accept(this);
}
}
this.fBuffer.append("}\n");//$NON-NLS-1$
}
/*
* @see ASTVisitor#visit(SynchronizedStatement)
*/
@Override
public boolean visit(SynchronizedStatement node) {
this.fBuffer.append("synchronized (");//$NON-NLS-1$
node.getExpression().accept(this);
this.fBuffer.append(") ");//$NON-NLS-1$
node.getBody().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(TagElement)
* @since 3.0
*/
@Override
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<? extends ASTNode> it= node.fragments().iterator(); it.hasNext();) {
ASTNode e= 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.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)
* @since 3.0
*/
@Override
public boolean visit(TextElement node) {
this.fBuffer.append(node.getText());
return false;
}
/*
* @see ASTVisitor#visit(ThisExpression)
*/
@Override
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)
*/
@Override
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)
*/
@Override
public boolean visit(TryStatement node) {
this.fBuffer.append("try ");//$NON-NLS-1$
if (node.getAST().apiLevel() >= ASTHelper.JLS4) {
if (!node.resources().isEmpty()) {
this.fBuffer.append("(");//$NON-NLS-1$
for (Iterator<Expression> it= node.resources().iterator(); it.hasNext();) {
Expression var= it.next();
var.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(") ");//$NON-NLS-1$
}
}
node.getBody().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator<CatchClause> it= node.catchClauses().iterator(); it.hasNext();) {
CatchClause cc= 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)
*/
@Override
public boolean visit(TypeDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
}
this.fBuffer.append(node.isInterface() ? "interface " : "class ");//$NON-NLS-2$//$NON-NLS-1$
node.getName().accept(this);
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (!node.typeParameters().isEmpty()) {
this.fBuffer.append("<");//$NON-NLS-1$
for (Iterator<TypeParameter> it= node.typeParameters().iterator(); it.hasNext();) {
TypeParameter t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(",");//$NON-NLS-1$
}
}
this.fBuffer.append(">");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
if (node.getSuperclassType() != null) {
this.fBuffer.append("extends ");//$NON-NLS-1$
node.getSuperclassType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
}
if (!node.superInterfaceTypes().isEmpty()) {
this.fBuffer.append(node.isInterface() ? "extends " : "implements ");//$NON-NLS-2$//$NON-NLS-1$
for (Iterator<Type> it= node.superInterfaceTypes().iterator(); it.hasNext();) {
Type t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
}
}
if (ASTHelper.isSealedTypeSupportedInAST(node.getAST()) && !node.permittedTypes().isEmpty()) {
this.fBuffer.append("permits ");//$NON-NLS-1$
for (Iterator<Type> it = node.permittedTypes().iterator(); it.hasNext(); ) {
Type t = it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
this.fBuffer.append(" ");//$NON-NLS-1$
}
this.fBuffer.append("{");//$NON-NLS-1$
BodyDeclaration prev= null;
for (Iterator<BodyDeclaration> it= node.bodyDeclarations().iterator(); it.hasNext();) {
BodyDeclaration d= it.next();
if (prev instanceof EnumConstantDeclaration) {
// enum constant declarations do not include punctuation
if (d instanceof EnumConstantDeclaration) {
// enum constant declarations are separated by commas
this.fBuffer.append(", ");//$NON-NLS-1$
} else {
// semicolon separates last enum constant declaration from
// first class body declarations
this.fBuffer.append("; ");//$NON-NLS-1$
}
}
d.accept(this);
prev= d;
}
this.fBuffer.append("}");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(TypeDeclarationStatement)
*/
@Override
public boolean visit(TypeDeclarationStatement node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
node.getDeclaration().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(TypeLiteral)
*/
@Override
public boolean visit(TypeLiteral node) {
node.getType().accept(this);
this.fBuffer.append(".class");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(TypeMethodReference)
*/
@Override
public boolean visit(TypeMethodReference node) {
node.getType().accept(this);
printReferenceTypeArguments(node.typeArguments());
node.getName().accept(this);
return false;
}
/*
* @see ASTVisitor#visit(TypeParameter)
* @since 3.0
*/
@Override
public boolean visit(TypeParameter node) {
printModifiers(node.modifiers());
node.getName().accept(this);
if (!node.typeBounds().isEmpty()) {
this.fBuffer.append(" extends ");//$NON-NLS-1$
for (Iterator<Type> it= node.typeBounds().iterator(); it.hasNext();) {
Type t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(" & ");//$NON-NLS-1$
}
}
}
return false;
}
@Override
public boolean visit(TypePattern node) {
if (ASTHelper.isPatternSupported(node.getAST())) {
node.getPatternVariable().accept(this);
}
return false;
}
/*
* @see ASTVisitor#visit(UnionType)
*/
@Override
public boolean visit(UnionType node) {
for (Iterator<Type> it= node.types().iterator(); it.hasNext();) {
Type t= it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append("|");//$NON-NLS-1$
}
}
return false;
}
@Override
public boolean visit(UsesDirective node) {
this.fBuffer.append("uses");//$NON-NLS-1$
this.fBuffer.append(" ");//$NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(";\n");//$NON-NLS-1$
return false;
}
/*
* @see ASTVisitor#visit(VariableDeclarationExpression)
*/
@Override
public boolean visit(VariableDeclarationExpression node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
}
node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator<VariableDeclarationFragment> it= node.fragments().iterator(); it.hasNext();) {
VariableDeclarationFragment f= it.next();
f.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", ");//$NON-NLS-1$
}
}
return false;
}
/*
* @see ASTVisitor#visit(VariableDeclarationFragment)
*/
@Override
public boolean visit(VariableDeclarationFragment node) {
node.getName().accept(this);
if (node.getAST().apiLevel() >= ASTHelper.JLS8) {
List<Dimension> dimensions = node.extraDimensions();
for (Dimension e : dimensions) {
e.accept(this);
}
} else {
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)
*/
@Override
public boolean visit(VariableDeclarationStatement node) {
if (node.getAST().apiLevel() >= ASTHelper.JLS3) {
printModifiers(node.modifiers());
}
node.getType().accept(this);
this.fBuffer.append(" ");//$NON-NLS-1$
for (Iterator<VariableDeclarationFragment> it= node.fragments().iterator(); it.hasNext();) {
VariableDeclarationFragment f= 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)
*/
@Override
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;
}
/*
* @see ASTVisitor#visit(WildcardType)
* @since 3.0
*/
@Override
public boolean visit(WildcardType node) {
printTypeAnnotations(node);
this.fBuffer.append("?");//$NON-NLS-1$
Type bound= node.getBound();
if (bound != null) {
if (node.isUpperBound()) {
this.fBuffer.append(" extends ");//$NON-NLS-1$
} else {
this.fBuffer.append(" super ");//$NON-NLS-1$
}
bound.accept(this);
}
return false;
}
}