/* * Copyright (C) 2008 JĂșlio Vilmar Gesser. * * This file is part of Java 1.5 parser and Abstract Syntax Tree. * * Java 1.5 parser and Abstract Syntax Tree is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Java 1.5 parser and Abstract Syntax Tree is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Java 1.5 parser and Abstract Syntax Tree. If not, see <http://www.gnu.org/licenses/>. */ /* * Created on 09/06/2008 */ package org.checkerframework.stubparser.ast.visitor; import java.util.List; import org.checkerframework.stubparser.ast.BlockComment; import org.checkerframework.stubparser.ast.CompilationUnit; import org.checkerframework.stubparser.ast.ImportDeclaration; import org.checkerframework.stubparser.ast.LineComment; import org.checkerframework.stubparser.ast.Node; import org.checkerframework.stubparser.ast.PackageDeclaration; import org.checkerframework.stubparser.ast.TypeParameter; import org.checkerframework.stubparser.ast.body.AnnotationDeclaration; import org.checkerframework.stubparser.ast.body.AnnotationMemberDeclaration; import org.checkerframework.stubparser.ast.body.BodyDeclaration; import org.checkerframework.stubparser.ast.body.ClassOrInterfaceDeclaration; import org.checkerframework.stubparser.ast.body.ConstructorDeclaration; import org.checkerframework.stubparser.ast.body.EmptyMemberDeclaration; import org.checkerframework.stubparser.ast.body.EmptyTypeDeclaration; import org.checkerframework.stubparser.ast.body.EnumConstantDeclaration; import org.checkerframework.stubparser.ast.body.EnumDeclaration; import org.checkerframework.stubparser.ast.body.FieldDeclaration; import org.checkerframework.stubparser.ast.body.InitializerDeclaration; import org.checkerframework.stubparser.ast.body.JavadocComment; import org.checkerframework.stubparser.ast.body.MethodDeclaration; import org.checkerframework.stubparser.ast.body.Parameter; import org.checkerframework.stubparser.ast.body.TypeDeclaration; import org.checkerframework.stubparser.ast.body.VariableDeclarator; import org.checkerframework.stubparser.ast.body.VariableDeclaratorId; import org.checkerframework.stubparser.ast.expr.AnnotationExpr; import org.checkerframework.stubparser.ast.expr.ArrayAccessExpr; import org.checkerframework.stubparser.ast.expr.ArrayCreationExpr; import org.checkerframework.stubparser.ast.expr.ArrayInitializerExpr; import org.checkerframework.stubparser.ast.expr.AssignExpr; import org.checkerframework.stubparser.ast.expr.BinaryExpr; import org.checkerframework.stubparser.ast.expr.BooleanLiteralExpr; import org.checkerframework.stubparser.ast.expr.CastExpr; import org.checkerframework.stubparser.ast.expr.CharLiteralExpr; import org.checkerframework.stubparser.ast.expr.ClassExpr; import org.checkerframework.stubparser.ast.expr.ConditionalExpr; import org.checkerframework.stubparser.ast.expr.DoubleLiteralExpr; import org.checkerframework.stubparser.ast.expr.EnclosedExpr; import org.checkerframework.stubparser.ast.expr.Expression; import org.checkerframework.stubparser.ast.expr.FieldAccessExpr; import org.checkerframework.stubparser.ast.expr.InstanceOfExpr; import org.checkerframework.stubparser.ast.expr.IntegerLiteralExpr; import org.checkerframework.stubparser.ast.expr.IntegerLiteralMinValueExpr; import org.checkerframework.stubparser.ast.expr.LongLiteralExpr; import org.checkerframework.stubparser.ast.expr.LongLiteralMinValueExpr; import org.checkerframework.stubparser.ast.expr.MarkerAnnotationExpr; import org.checkerframework.stubparser.ast.expr.MemberValuePair; import org.checkerframework.stubparser.ast.expr.MethodCallExpr; import org.checkerframework.stubparser.ast.expr.NameExpr; import org.checkerframework.stubparser.ast.expr.NormalAnnotationExpr; import org.checkerframework.stubparser.ast.expr.NullLiteralExpr; import org.checkerframework.stubparser.ast.expr.ObjectCreationExpr; import org.checkerframework.stubparser.ast.expr.QualifiedNameExpr; import org.checkerframework.stubparser.ast.expr.SingleMemberAnnotationExpr; import org.checkerframework.stubparser.ast.expr.StringLiteralExpr; import org.checkerframework.stubparser.ast.expr.SuperExpr; import org.checkerframework.stubparser.ast.expr.ThisExpr; import org.checkerframework.stubparser.ast.expr.UnaryExpr; import org.checkerframework.stubparser.ast.expr.VariableDeclarationExpr; import org.checkerframework.stubparser.ast.stmt.AssertStmt; import org.checkerframework.stubparser.ast.stmt.BlockStmt; import org.checkerframework.stubparser.ast.stmt.BreakStmt; import org.checkerframework.stubparser.ast.stmt.CatchClause; import org.checkerframework.stubparser.ast.stmt.ContinueStmt; import org.checkerframework.stubparser.ast.stmt.DoStmt; import org.checkerframework.stubparser.ast.stmt.EmptyStmt; import org.checkerframework.stubparser.ast.stmt.ExplicitConstructorInvocationStmt; import org.checkerframework.stubparser.ast.stmt.ExpressionStmt; import org.checkerframework.stubparser.ast.stmt.ForStmt; import org.checkerframework.stubparser.ast.stmt.ForeachStmt; import org.checkerframework.stubparser.ast.stmt.IfStmt; import org.checkerframework.stubparser.ast.stmt.LabeledStmt; import org.checkerframework.stubparser.ast.stmt.ReturnStmt; import org.checkerframework.stubparser.ast.stmt.Statement; import org.checkerframework.stubparser.ast.stmt.SwitchEntryStmt; import org.checkerframework.stubparser.ast.stmt.SwitchStmt; import org.checkerframework.stubparser.ast.stmt.SynchronizedStmt; import org.checkerframework.stubparser.ast.stmt.ThrowStmt; import org.checkerframework.stubparser.ast.stmt.TryStmt; import org.checkerframework.stubparser.ast.stmt.TypeDeclarationStmt; import org.checkerframework.stubparser.ast.stmt.WhileStmt; import org.checkerframework.stubparser.ast.type.ClassOrInterfaceType; import org.checkerframework.stubparser.ast.type.PrimitiveType; import org.checkerframework.stubparser.ast.type.ReferenceType; import org.checkerframework.stubparser.ast.type.Type; import org.checkerframework.stubparser.ast.type.VoidType; import org.checkerframework.stubparser.ast.type.WildcardType; /** * This visitor adapter can be used to save time when some specific nodes needs * to be changed. To do that just extend this class and override the methods * from the nodes who needs to be changed, returning the changed node. * * @author Julio Vilmar Gesser */ public abstract class ModifierVisitorAdapter<A> implements GenericVisitor<Node, A> { private void removeNulls(List< ? > list) { for (int i = list.size() - 1; i >= 0; i--) { if (list.get(i) == null) { list.remove(i); } } } @Override public Node visit(AnnotationDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<BodyDeclaration> members = n.getMembers(); if (members != null) { for (int i = 0; i < members.size(); i++) { members.set(i, (BodyDeclaration) members.get(i).accept(this, arg)); } removeNulls(members); } return n; } @Override public Node visit(AnnotationMemberDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } n.setType((Type) n.getType().accept(this, arg)); if (n.getDefaultValue() != null) { n.setDefaultValue((Expression) n.getDefaultValue().accept(this, arg)); } return n; } @Override public Node visit(ArrayAccessExpr n, A arg) { n.setName((Expression) n.getName().accept(this, arg)); n.setIndex((Expression) n.getIndex().accept(this, arg)); return n; } @Override public Node visit(ArrayCreationExpr n, A arg) { n.setType((Type) n.getType().accept(this, arg)); if (n.getDimensions() != null) { List<Expression> dimensions = n.getDimensions(); if (dimensions != null) { for (int i = 0; i < dimensions.size(); i++) { dimensions.set(i, (Expression) dimensions.get(i).accept(this, arg)); } removeNulls(dimensions); } } else { n.setInitializer((ArrayInitializerExpr) n.getInitializer().accept(this, arg)); } return n; } @Override public Node visit(ArrayInitializerExpr n, A arg) { if (n.getValues() != null) { List<Expression> values = n.getValues(); if (values != null) { for (int i = 0; i < values.size(); i++) { values.set(i, (Expression) values.get(i).accept(this, arg)); } removeNulls(values); } } return n; } @Override public Node visit(AssertStmt n, A arg) { n.setCheck((Expression) n.getCheck().accept(this, arg)); if (n.getMessage() != null) { n.setMessage((Expression) n.getMessage().accept(this, arg)); } return n; } @Override public Node visit(AssignExpr n, A arg) { n.setTarget((Expression) n.getTarget().accept(this, arg)); n.setValue((Expression) n.getValue().accept(this, arg)); return n; } @Override public Node visit(BinaryExpr n, A arg) { n.setLeft((Expression) n.getLeft().accept(this, arg)); n.setRight((Expression) n.getRight().accept(this, arg)); return n; } @Override public Node visit(BlockStmt n, A arg) { List<Statement> stmts = n.getStmts(); if (stmts != null) { for (int i = 0; i < stmts.size(); i++) { stmts.set(i, (Statement) stmts.get(i).accept(this, arg)); } removeNulls(stmts); } return n; } @Override public Node visit(BooleanLiteralExpr n, A arg) { return n; } @Override public Node visit(BreakStmt n, A arg) { return n; } @Override public Node visit(CastExpr n, A arg) { n.setType((Type) n.getType().accept(this, arg)); n.setExpr((Expression) n.getExpr().accept(this, arg)); return n; } @Override public Node visit(CatchClause n, A arg) { n.setExcept((Parameter) n.getExcept().accept(this, arg)); n.setCatchBlock((BlockStmt) n.getCatchBlock().accept(this, arg)); return n; } @Override public Node visit(CharLiteralExpr n, A arg) { return n; } @Override public Node visit(ClassExpr n, A arg) { n.setType((Type) n.getType().accept(this, arg)); return n; } @Override public Node visit(ClassOrInterfaceDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<TypeParameter> typeParameters = n.getTypeParameters(); if (typeParameters != null) { for (int i = 0; i < typeParameters.size(); i++) { typeParameters.set(i, (TypeParameter) typeParameters.get(i).accept(this, arg)); } removeNulls(typeParameters); } List<ClassOrInterfaceType> extendz = n.getExtends(); if (extendz != null) { for (int i = 0; i < extendz.size(); i++) { extendz.set(i, (ClassOrInterfaceType) extendz.get(i).accept(this, arg)); } removeNulls(extendz); } List<ClassOrInterfaceType> implementz = n.getImplements(); if (implementz != null) { for (int i = 0; i < implementz.size(); i++) { implementz.set(i, (ClassOrInterfaceType) implementz.get(i).accept(this, arg)); } removeNulls(implementz); } List<BodyDeclaration> members = n.getMembers(); if (members != null) { for (int i = 0; i < members.size(); i++) { members.set(i, (BodyDeclaration) members.get(i).accept(this, arg)); } removeNulls(members); } return n; } @Override public Node visit(ClassOrInterfaceType n, A arg) { if (n.getScope() != null) { n.setScope((ClassOrInterfaceType) n.getScope().accept(this, arg)); } List<Type> typeArgs = n.getTypeArgs(); if (typeArgs != null) { for (int i = 0; i < typeArgs.size(); i++) { typeArgs.set(i, (Type) typeArgs.get(i).accept(this, arg)); } removeNulls(typeArgs); } return n; } @Override public Node visit(CompilationUnit n, A arg) { if (n.getPackage() != null) { n.setPackage((PackageDeclaration) n.getPackage().accept(this, arg)); } List<ImportDeclaration> imports = n.getImports(); if (imports != null) { for (int i = 0; i < imports.size(); i++) { imports.set(i, (ImportDeclaration) imports.get(i).accept(this, arg)); } removeNulls(imports); } List<TypeDeclaration> types = n.getTypes(); if (types != null) { for (int i = 0; i < types.size(); i++) { types.set(i, (TypeDeclaration) types.get(i).accept(this, arg)); } removeNulls(types); } return n; } @Override public Node visit(ConditionalExpr n, A arg) { n.setCondition((Expression) n.getCondition().accept(this, arg)); n.setThenExpr((Expression) n.getThenExpr().accept(this, arg)); n.setElseExpr((Expression) n.getElseExpr().accept(this, arg)); return n; } @Override public Node visit(ConstructorDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<TypeParameter> typeParameters = n.getTypeParameters(); if (typeParameters != null) { for (int i = 0; i < typeParameters.size(); i++) { typeParameters.set(i, (TypeParameter) typeParameters.get(i).accept(this, arg)); } removeNulls(typeParameters); } List<Parameter> parameters = n.getParameters(); if (parameters != null) { for (int i = 0; i < parameters.size(); i++) { parameters.set(i, (Parameter) parameters.get(i).accept(this, arg)); } removeNulls(parameters); } List<NameExpr> throwz = n.getThrows(); if (throwz != null) { for (int i = 0; i < throwz.size(); i++) { throwz.set(i, (NameExpr) throwz.get(i).accept(this, arg)); } removeNulls(throwz); } n.setBlock((BlockStmt) n.getBlock().accept(this, arg)); return n; } @Override public Node visit(ContinueStmt n, A arg) { return n; } @Override public Node visit(DoStmt n, A arg) { n.setBody((Statement) n.getBody().accept(this, arg)); n.setCondition((Expression) n.getCondition().accept(this, arg)); return n; } @Override public Node visit(DoubleLiteralExpr n, A arg) { return n; } @Override public Node visit(EmptyMemberDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } return n; } @Override public Node visit(EmptyStmt n, A arg) { return n; } @Override public Node visit(EmptyTypeDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } return n; } @Override public Node visit(EnclosedExpr n, A arg) { n.setInner((Expression) n.getInner().accept(this, arg)); return n; } @Override public Node visit(EnumConstantDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<Expression> args = n.getArgs(); if (args != null) { for (int i = 0; i < args.size(); i++) { args.set(i, (Expression) args.get(i).accept(this, arg)); } removeNulls(args); } List<BodyDeclaration> classBody = n.getClassBody(); if (classBody != null) { for (int i = 0; i < classBody.size(); i++) { classBody.set(i, (BodyDeclaration) classBody.get(i).accept(this, arg)); } removeNulls(classBody); } return n; } @Override public Node visit(EnumDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<ClassOrInterfaceType> implementz = n.getImplements(); if (implementz != null) { for (int i = 0; i < implementz.size(); i++) { implementz.set(i, (ClassOrInterfaceType) implementz.get(i).accept(this, arg)); } removeNulls(implementz); } List<EnumConstantDeclaration> entries = n.getEntries(); if (entries != null) { for (int i = 0; i < entries.size(); i++) { entries.set(i, (EnumConstantDeclaration) entries.get(i).accept(this, arg)); } removeNulls(entries); } List<BodyDeclaration> members = n.getMembers(); if (members != null) { for (int i = 0; i < members.size(); i++) { members.set(i, (BodyDeclaration) members.get(i).accept(this, arg)); } removeNulls(members); } return n; } @Override public Node visit(ExplicitConstructorInvocationStmt n, A arg) { if (!n.isThis()) { if (n.getExpr() != null) { n.setExpr((Expression) n.getExpr().accept(this, arg)); } } List<Type> typeArgs = n.getTypeArgs(); if (typeArgs != null) { for (int i = 0; i < typeArgs.size(); i++) { typeArgs.set(i, (Type) typeArgs.get(i).accept(this, arg)); } removeNulls(typeArgs); } List<Expression> args = n.getArgs(); if (args != null) { for (int i = 0; i < args.size(); i++) { args.set(i, (Expression) args.get(i).accept(this, arg)); } removeNulls(args); } return n; } @Override public Node visit(ExpressionStmt n, A arg) { n.setExpression((Expression) n.getExpression().accept(this, arg)); return n; } @Override public Node visit(FieldAccessExpr n, A arg) { n.setScope((Expression) n.getScope().accept(this, arg)); return n; } @Override public Node visit(FieldDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } n.setType((Type) n.getType().accept(this, arg)); List<VariableDeclarator> variables = n.getVariables(); for (int i = 0; i < variables.size(); i++) { variables.set(i, (VariableDeclarator) variables.get(i).accept(this, arg)); } removeNulls(variables); return n; } @Override public Node visit(ForeachStmt n, A arg) { n.setVariable((VariableDeclarationExpr) n.getVariable().accept(this, arg)); n.setIterable((Expression) n.getIterable().accept(this, arg)); n.setBody((Statement) n.getBody().accept(this, arg)); return n; } @Override public Node visit(ForStmt n, A arg) { List<Expression> init = n.getInit(); if (init != null) { for (int i = 0; i < init.size(); i++) { init.set(i, (Expression) init.get(i).accept(this, arg)); } removeNulls(init); } if (n.getCompare() != null) { n.setCompare((Expression) n.getCompare().accept(this, arg)); } List<Expression> update = n.getUpdate(); if (update != null) { for (int i = 0; i < update.size(); i++) { update.set(i, (Expression) update.get(i).accept(this, arg)); } removeNulls(update); } n.setBody((Statement) n.getBody().accept(this, arg)); return n; } @Override public Node visit(IfStmt n, A arg) { n.setCondition((Expression) n.getCondition().accept(this, arg)); n.setThenStmt((Statement) n.getThenStmt().accept(this, arg)); if (n.getElseStmt() != null) { n.setElseStmt((Statement) n.getElseStmt().accept(this, arg)); } return n; } @Override public Node visit(ImportDeclaration n, A arg) { n.setName((NameExpr) n.getName().accept(this, arg)); return n; } @Override public Node visit(InitializerDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } n.setBlock((BlockStmt) n.getBlock().accept(this, arg)); return n; } @Override public Node visit(InstanceOfExpr n, A arg) { n.setExpr((Expression) n.getExpr().accept(this, arg)); n.setType((Type) n.getType().accept(this, arg)); return n; } @Override public Node visit(IntegerLiteralExpr n, A arg) { return n; } @Override public Node visit(IntegerLiteralMinValueExpr n, A arg) { return n; } @Override public Node visit(JavadocComment n, A arg) { return n; } @Override public Node visit(LabeledStmt n, A arg) { n.setStmt((Statement) n.getStmt().accept(this, arg)); return n; } @Override public Node visit(LongLiteralExpr n, A arg) { return n; } @Override public Node visit(LongLiteralMinValueExpr n, A arg) { return n; } @Override public Node visit(MarkerAnnotationExpr n, A arg) { n.setName((NameExpr) n.getName().accept(this, arg)); return n; } @Override public Node visit(MemberValuePair n, A arg) { n.setValue((Expression) n.getValue().accept(this, arg)); return n; } @Override public Node visit(MethodCallExpr n, A arg) { if (n.getScope() != null) { n.setScope((Expression) n.getScope().accept(this, arg)); } List<Type> typeArgs = n.getTypeArgs(); if (typeArgs != null) { for (int i = 0; i < typeArgs.size(); i++) { typeArgs.set(i, (Type) typeArgs.get(i).accept(this, arg)); } removeNulls(typeArgs); } List<Expression> args = n.getArgs(); if (args != null) { for (int i = 0; i < args.size(); i++) { args.set(i, (Expression) args.get(i).accept(this, arg)); } removeNulls(args); } return n; } @Override public Node visit(MethodDeclaration n, A arg) { if (n.getJavaDoc() != null) { n.setJavaDoc((JavadocComment) n.getJavaDoc().accept(this, arg)); } List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<TypeParameter> typeParameters = n.getTypeParameters(); if (typeParameters != null) { for (int i = 0; i < typeParameters.size(); i++) { typeParameters.set(i, (TypeParameter) typeParameters.get(i).accept(this, arg)); } removeNulls(typeParameters); } n.setType((Type) n.getType().accept(this, arg)); List<Parameter> parameters = n.getParameters(); if (parameters != null) { for (int i = 0; i < parameters.size(); i++) { parameters.set(i, (Parameter) parameters.get(i).accept(this, arg)); } removeNulls(parameters); } List<NameExpr> throwz = n.getThrows(); if (throwz != null) { for (int i = 0; i < throwz.size(); i++) { throwz.set(i, (NameExpr) throwz.get(i).accept(this, arg)); } removeNulls(throwz); } if (n.getBody() != null) { n.setBody((BlockStmt) n.getBody().accept(this, arg)); } return n; } @Override public Node visit(NameExpr n, A arg) { return n; } @Override public Node visit(NormalAnnotationExpr n, A arg) { n.setName((NameExpr) n.getName().accept(this, arg)); List<MemberValuePair> pairs = n.getPairs(); if (pairs != null) { for (int i = 0; i < pairs.size(); i++) { pairs.set(i, (MemberValuePair) pairs.get(i).accept(this, arg)); } removeNulls(pairs); } return n; } @Override public Node visit(NullLiteralExpr n, A arg) { return n; } @Override public Node visit(ObjectCreationExpr n, A arg) { if (n.getScope() != null) { n.setScope((Expression) n.getScope().accept(this, arg)); } List<Type> typeArgs = n.getTypeArgs(); if (typeArgs != null) { for (int i = 0; i < typeArgs.size(); i++) { typeArgs.set(i, (Type) typeArgs.get(i).accept(this, arg)); } removeNulls(typeArgs); } n.setType((ClassOrInterfaceType) n.getType().accept(this, arg)); List<Expression> args = n.getArgs(); if (args != null) { for (int i = 0; i < args.size(); i++) { args.set(i, (Expression) args.get(i).accept(this, arg)); } removeNulls(args); } List<BodyDeclaration> anonymousClassBody = n.getAnonymousClassBody(); if (anonymousClassBody != null) { for (int i = 0; i < anonymousClassBody.size(); i++) { anonymousClassBody.set(i, (BodyDeclaration) anonymousClassBody.get(i).accept(this, arg)); } removeNulls(anonymousClassBody); } return n; } @Override public Node visit(PackageDeclaration n, A arg) { List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } n.setName((NameExpr) n.getName().accept(this, arg)); return n; } @Override public Node visit(Parameter n, A arg) { List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } n.setType((Type) n.getType().accept(this, arg)); n.setId((VariableDeclaratorId) n.getId().accept(this, arg)); return n; } @Override public Node visit(PrimitiveType n, A arg) { return n; } @Override public Node visit(QualifiedNameExpr n, A arg) { n.setQualifier((NameExpr) n.getQualifier().accept(this, arg)); return n; } @Override public Node visit(ReferenceType n, A arg) { n.setType((Type) n.getType().accept(this, arg)); return n; } @Override public Node visit(ReturnStmt n, A arg) { if (n.getExpr() != null) { n.setExpr((Expression) n.getExpr().accept(this, arg)); } return n; } @Override public Node visit(SingleMemberAnnotationExpr n, A arg) { n.setName((NameExpr) n.getName().accept(this, arg)); n.setMemberValue((Expression) n.getMemberValue().accept(this, arg)); return n; } @Override public Node visit(StringLiteralExpr n, A arg) { return n; } @Override public Node visit(SuperExpr n, A arg) { if (n.getClassExpr() != null) { n.setClassExpr((Expression) n.getClassExpr().accept(this, arg)); } return n; } @Override public Node visit(SwitchEntryStmt n, A arg) { if (n.getLabel() != null) { n.setLabel((Expression) n.getLabel().accept(this, arg)); } List<Statement> stmts = n.getStmts(); if (stmts != null) { for (int i = 0; i < stmts.size(); i++) { stmts.set(i, (Statement) stmts.get(i).accept(this, arg)); } removeNulls(stmts); } return n; } @Override public Node visit(SwitchStmt n, A arg) { n.setSelector((Expression) n.getSelector().accept(this, arg)); List<SwitchEntryStmt> entries = n.getEntries(); if (entries != null) { for (int i = 0; i < entries.size(); i++) { entries.set(i, (SwitchEntryStmt) entries.get(i).accept(this, arg)); } removeNulls(entries); } return n; } @Override public Node visit(SynchronizedStmt n, A arg) { n.setExpr((Expression) n.getExpr().accept(this, arg)); n.setBlock((BlockStmt) n.getBlock().accept(this, arg)); return n; } @Override public Node visit(ThisExpr n, A arg) { if (n.getClassExpr() != null) { n.setClassExpr((Expression) n.getClassExpr().accept(this, arg)); } return n; } @Override public Node visit(ThrowStmt n, A arg) { n.setExpr((Expression) n.getExpr().accept(this, arg)); return n; } @Override public Node visit(TryStmt n, A arg) { n.setTryBlock((BlockStmt) n.getTryBlock().accept(this, arg)); List<CatchClause> catchs = n.getCatchs(); if (catchs != null) { for (int i = 0; i < catchs.size(); i++) { catchs.set(i, (CatchClause) catchs.get(i).accept(this, arg)); } removeNulls(catchs); } if (n.getFinallyBlock() != null) { n.setFinallyBlock((BlockStmt) n.getFinallyBlock().accept(this, arg)); } return n; } @Override public Node visit(TypeDeclarationStmt n, A arg) { n.setTypeDeclaration((TypeDeclaration) n.getTypeDeclaration().accept(this, arg)); return n; } @Override public Node visit(TypeParameter n, A arg) { List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } List<ClassOrInterfaceType> typeBound = n.getTypeBound(); if (typeBound != null) { for (int i = 0; i < typeBound.size(); i++) { typeBound.set(i, (ClassOrInterfaceType) typeBound.get(i).accept(this, arg)); } removeNulls(typeBound); } return n; } @Override public Node visit(UnaryExpr n, A arg) { n.setExpr((Expression) n.getExpr().accept(this, arg)); return n; } @Override public Node visit(VariableDeclarationExpr n, A arg) { List<AnnotationExpr> annotations = n.getAnnotations(); if (annotations != null) { for (int i = 0; i < annotations.size(); i++) { annotations.set(i, (AnnotationExpr) annotations.get(i).accept(this, arg)); } removeNulls(annotations); } n.setType((Type) n.getType().accept(this, arg)); List<VariableDeclarator> vars = n.getVars(); for (int i = 0; i < vars.size(); i++) { vars.set(i, (VariableDeclarator) vars.get(i).accept(this, arg)); } removeNulls(vars); return n; } @Override public Node visit(VariableDeclarator n, A arg) { n.setId((VariableDeclaratorId) n.getId().accept(this, arg)); if (n.getInit() != null) { n.setInit((Expression) n.getInit().accept(this, arg)); } return n; } @Override public Node visit(VariableDeclaratorId n, A arg) { return n; } @Override public Node visit(VoidType n, A arg) { return n; } @Override public Node visit(WhileStmt n, A arg) { n.setCondition((Expression) n.getCondition().accept(this, arg)); n.setBody((Statement) n.getBody().accept(this, arg)); return n; } @Override public Node visit(WildcardType n, A arg) { if (n.getExtends() != null) { n.setExtends((ReferenceType) n.getExtends().accept(this, arg)); } if (n.getSuper() != null) { n.setSuper((ReferenceType) n.getSuper().accept(this, arg)); } return n; } @Override public Node visit(BlockComment n, A arg) { return n; } @Override public Node visit(LineComment n, A arg) { return n; } }