| /******************************************************************************* |
| * 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; |
| } |
| |
| /* |
| * @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; |
| } |
| |
| /* |
| * @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; |
| } |
| |
| /* |
| * @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()) { |
| 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()) { |
| 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; |
| } |
| |
| @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; |
| } |
| |
| /* |
| * @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; |
| } |
| |
| } |