/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2015 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) 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.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser 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.
*/
package com.github.javaparser.ast.visitor;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.ImportDeclaration;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.PackageDeclaration;
import com.github.javaparser.ast.TypeParameter;
import com.github.javaparser.ast.body.AnnotationDeclaration;
import com.github.javaparser.ast.body.AnnotationMemberDeclaration;
import com.github.javaparser.ast.body.BodyDeclaration;
import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
import com.github.javaparser.ast.body.ConstructorDeclaration;
import com.github.javaparser.ast.body.EmptyMemberDeclaration;
import com.github.javaparser.ast.body.EmptyTypeDeclaration;
import com.github.javaparser.ast.body.EnumConstantDeclaration;
import com.github.javaparser.ast.body.EnumDeclaration;
import com.github.javaparser.ast.body.FieldDeclaration;
import com.github.javaparser.ast.body.InitializerDeclaration;
import com.github.javaparser.ast.body.MethodDeclaration;
import com.github.javaparser.ast.body.ModifierSet;
import com.github.javaparser.ast.body.MultiTypeParameter;
import com.github.javaparser.ast.body.Parameter;
import com.github.javaparser.ast.body.TypeDeclaration;
import com.github.javaparser.ast.body.VariableDeclarator;
import com.github.javaparser.ast.body.VariableDeclaratorId;
import com.github.javaparser.ast.comments.BlockComment;
import com.github.javaparser.ast.comments.Comment;
import com.github.javaparser.ast.comments.JavadocComment;
import com.github.javaparser.ast.comments.LineComment;
import com.github.javaparser.ast.expr.*;
import com.github.javaparser.ast.stmt.AssertStmt;
import com.github.javaparser.ast.stmt.BlockStmt;
import com.github.javaparser.ast.stmt.BreakStmt;
import com.github.javaparser.ast.stmt.CatchClause;
import com.github.javaparser.ast.stmt.ContinueStmt;
import com.github.javaparser.ast.stmt.DoStmt;
import com.github.javaparser.ast.stmt.EmptyStmt;
import com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt;
import com.github.javaparser.ast.stmt.ExpressionStmt;
import com.github.javaparser.ast.stmt.ForStmt;
import com.github.javaparser.ast.stmt.ForeachStmt;
import com.github.javaparser.ast.stmt.IfStmt;
import com.github.javaparser.ast.stmt.LabeledStmt;
import com.github.javaparser.ast.stmt.ReturnStmt;
import com.github.javaparser.ast.stmt.Statement;
import com.github.javaparser.ast.stmt.SwitchEntryStmt;
import com.github.javaparser.ast.stmt.SwitchStmt;
import com.github.javaparser.ast.stmt.SynchronizedStmt;
import com.github.javaparser.ast.stmt.ThrowStmt;
import com.github.javaparser.ast.stmt.TryStmt;
import com.github.javaparser.ast.stmt.TypeDeclarationStmt;
import com.github.javaparser.ast.stmt.WhileStmt;
import com.github.javaparser.ast.type.ClassOrInterfaceType;
import com.github.javaparser.ast.type.IntersectionType;
import com.github.javaparser.ast.type.PrimitiveType;
import com.github.javaparser.ast.type.ReferenceType;
import com.github.javaparser.ast.type.Type;
import com.github.javaparser.ast.type.UnionType;
import com.github.javaparser.ast.type.UnknownType;
import com.github.javaparser.ast.type.VoidType;
import com.github.javaparser.ast.type.WildcardType;
import xapi.fu.Printable;
import static com.github.javaparser.PositionUtils.sortByBeginPosition;
import static com.github.javaparser.ast.internal.Utils.isNullOrEmpty;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
/**
* Dumps the AST to formatted Java source code.
*
* @author Julio Vilmar Gesser
*/
public class DumpVisitor implements VoidVisitor<Object> {
private boolean printComments;
public DumpVisitor() {
this(true);
}
public DumpVisitor(boolean printComments) {
this.printComments = printComments;
}
protected final Printable printer = createSourcePrinter();
protected Printable createSourcePrinter() {
return Printable.toPrinter(new StringBuilder());
}
public String getSource() {
return printer.toSource();
}
private void printModifiers(final int modifiers) {
if (ModifierSet.isPrivate(modifiers)) {
printer.print("private ");
}
if (ModifierSet.isProtected(modifiers)) {
printer.print("protected ");
}
if (ModifierSet.isPublic(modifiers)) {
printer.print("public ");
}
if (ModifierSet.isAbstract(modifiers)) {
printer.print("abstract ");
}
if (ModifierSet.isStatic(modifiers)) {
printer.print("static ");
}
if (ModifierSet.isFinal(modifiers)) {
printer.print("final ");
}
if (ModifierSet.isNative(modifiers)) {
printer.print("native ");
}
if (ModifierSet.isStrictfp(modifiers)) {
printer.print("strictfp ");
}
if (ModifierSet.isSynchronized(modifiers)) {
printer.print("synchronized ");
}
if (ModifierSet.isTransient(modifiers)) {
printer.print("transient ");
}
if (ModifierSet.isVolatile(modifiers)) {
printer.print("volatile ");
}
}
private void printMembers(final List<BodyDeclaration> members, final Object arg) {
for (final BodyDeclaration member : members) {
printer.println();
member.accept(this, arg);
printer.println();
}
}
private void printMemberAnnotations(final List<AnnotationExpr> annotations, final Object arg) {
if (!isNullOrEmpty(annotations)) {
for (final AnnotationExpr a : annotations) {
a.accept(this, arg);
printer.println();
}
}
}
private void printAnnotations(final List<AnnotationExpr> annotations, final Object arg) {
if (!isNullOrEmpty(annotations)) {
for (final AnnotationExpr a : annotations) {
a.accept(this, arg);
printer.print(" ");
}
}
}
private void printTypeArgs(final List<Type> args, final Object arg) {
if (!isNullOrEmpty(args)) {
printer.print("<");
for (final Iterator<Type> i = args.iterator(); i.hasNext();) {
final Type t = i.next();
t.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
printer.print(">");
}
}
private void printTypeParameters(final List<TypeParameter> args, final Object arg) {
if (!isNullOrEmpty(args)) {
printer.print("<");
for (final Iterator<TypeParameter> i = args.iterator(); i.hasNext();) {
final TypeParameter t = i.next();
t.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
printer.print(">");
}
}
private void printArguments(final List<Expression> args, final Object arg) {
printer.print("(");
if (!isNullOrEmpty(args)) {
for (final Iterator<Expression> i = args.iterator(); i.hasNext();) {
final Expression e = i.next();
e.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print(")");
}
private void printJavadoc(final JavadocComment javadoc, final Object arg) {
if (javadoc != null) {
javadoc.accept(this, arg);
}
}
protected void printJavaComment(final Comment javacomment, final Object arg) {
if (javacomment != null) {
javacomment.accept(this, arg);
}
}
@Override public void visit(final CompilationUnit n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getPackage() != null) {
n.getPackage().accept(this, arg);
}
if (!isNullOrEmpty(n.getImports())) {
for (final ImportDeclaration i : n.getImports()) {
i.accept(this, arg);
}
printer.println();
}
if (!isNullOrEmpty(n.getTypes())) {
for (final Iterator<TypeDeclaration> i = n.getTypes().iterator(); i.hasNext();) {
i.next().accept(this, arg);
printer.println();
if (i.hasNext()) {
printer.println();
}
}
}
printOrphanCommentsEnding(n);
}
@Override public void visit(final PackageDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printAnnotations(n.getAnnotations(), arg);
printer.print("package ");
n.getName().accept(this, arg);
printer.println(";");
printer.println();
printOrphanCommentsEnding(n);
}
@Override public void visit(final NameExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getName());
printOrphanCommentsEnding(n);
}
@Override public void visit(final QualifiedNameExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getQualifier().accept(this, arg);
printer.print(".");
printer.print(n.getName());
printOrphanCommentsEnding(n);
}
@Override public void visit(final ImportDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("import ");
if (n.isStatic()) {
printer.print("static ");
}
n.getName().accept(this, arg);
if (n.isAsterisk()) {
printer.print(".*");
}
printer.println(";");
printOrphanCommentsEnding(n);
}
@Override public void visit(final ClassOrInterfaceDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
if (n.isInterface()) {
printer.print("interface ");
} else {
printer.print("class ");
}
printer.print(n.getName());
printTypeParameters(n.getTypeParameters(), arg);
if (!isNullOrEmpty(n.getExtends())) {
printer.print(" extends ");
for (final Iterator<ClassOrInterfaceType> i = n.getExtends().iterator(); i.hasNext();) {
final ClassOrInterfaceType c = i.next();
c.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
if (!isNullOrEmpty(n.getImplements())) {
printer.print(" implements ");
for (final Iterator<ClassOrInterfaceType> i = n.getImplements().iterator(); i.hasNext();) {
final ClassOrInterfaceType c = i.next();
c.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.println(" {");
printer.indent();
if (!isNullOrEmpty(n.getMembers())) {
printMembers(n.getMembers(), arg);
}
printOrphanCommentsEnding(n);
printer.outdent();
printer.print("}");
}
@Override public void visit(final EmptyTypeDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printer.print(";");
printOrphanCommentsEnding(n);
}
@Override public void visit(final JavadocComment n, final Object arg) {
printer.print("/**");
printer.print(n.getContent());
printer.println("*/");
}
@Override public void visit(final ClassOrInterfaceType n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getAnnotations() != null) {
for (AnnotationExpr ae : n.getAnnotations()) {
ae.accept(this, arg);
printer.print(" ");
}
}
if (n.getScope() != null) {
n.getScope().accept(this, arg);
printer.print(".");
}
printer.print(n.getName());
if (n.isUsingDiamondOperator()) {
printer.print("<>");
} else {
printTypeArgs(n.getTypeArgs(), arg);
}
}
@Override public void visit(final TypeParameter n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getAnnotations() != null) {
for (AnnotationExpr ann : n.getAnnotations()) {
ann.accept(this, arg);
printer.print(" ");
}
}
printer.print(n.getName());
if (!isNullOrEmpty(n.getTypeBound())) {
printer.print(" extends ");
for (final Iterator<ClassOrInterfaceType> i = n.getTypeBound().iterator(); i.hasNext();) {
final ClassOrInterfaceType c = i.next();
c.accept(this, arg);
if (i.hasNext()) {
}
}
}
}
@Override public void visit(final PrimitiveType n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (!isNullOrEmpty(n.getAnnotations())) {
for (AnnotationExpr ae : n.getAnnotations()) {
ae.accept(this, arg);
printer.print(" ");
}
}
switch (n.getType()) {
case Boolean:
printer.print("boolean");
break;
case Byte:
printer.print("byte");
break;
case Char:
printer.print("char");
break;
case Double:
printer.print("double");
break;
case Float:
printer.print("float");
break;
case Int:
printer.print("int");
break;
case Long:
printer.print("long");
break;
case Short:
printer.print("short");
break;
}
}
@Override public void visit(final ReferenceType n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (!isNullOrEmpty(n.getAnnotations())) {
for (AnnotationExpr ae : n.getAnnotations()) {
ae.accept(this, arg);
printer.print(" ");
}
}
n.getType().accept(this, arg);
List<List<AnnotationExpr>> arraysAnnotations = n.getArraysAnnotations();
for (int i = 0; i < n.getArrayCount(); i++) {
if (arraysAnnotations != null && i < arraysAnnotations.size()) {
List<AnnotationExpr> annotations = arraysAnnotations.get(i);
if (!isNullOrEmpty(annotations)) {
for (AnnotationExpr ae : annotations) {
printer.print(" ");
ae.accept(this, arg);
}
}
}
printer.print("[]");
}
}
@Override public void visit(final IntersectionType n, final Object arg) {
printJavaComment(n.getComment(), arg);
boolean isFirst = true;
for (ReferenceType element : n.getElements()) {
element.accept(this, arg);
if (isFirst) {
isFirst = false;
} else {
printer.print(" & ");
}
}
}
@Override public void visit(final UnionType n, final Object arg) {
printJavaComment(n.getComment(), arg);
boolean isFirst = true;
for (ReferenceType element : n.getElements()) {
element.accept(this, arg);
if (isFirst) {
isFirst = false;
} else {
printer.print(" | ");
}
}
}
@Override public void visit(final WildcardType n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getAnnotations() != null) {
for (AnnotationExpr ae : n.getAnnotations()) {
printer.print(" ");
ae.accept(this, arg);
}
}
printer.print("?");
if (n.getExtends() != null) {
printer.print(" extends ");
n.getExtends().accept(this, arg);
}
if (n.getSuper() != null) {
printer.print(" super ");
n.getSuper().accept(this, arg);
}
}
@Override public void visit(final UnknownType n, final Object arg) {
// Nothing to dump
}
@Override public void visit(final FieldDeclaration n, final Object arg) {
printOrphanCommentsBeforeThisChildNode(n);
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
n.getType().accept(this, arg);
printer.print(" ");
for (final Iterator<VariableDeclarator> i = n.getVariables().iterator(); i.hasNext();) {
final VariableDeclarator var = i.next();
var.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
printer.print(";");
}
@Override public void visit(final VariableDeclarator n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getId().accept(this, arg);
if (n.getInit() != null) {
printer.print(" = ");
n.getInit().accept(this, arg);
}
}
@Override public void visit(final VariableDeclaratorId n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getName());
for (int i = 0; i < n.getArrayCount(); i++) {
printer.print("[]");
}
}
@Override public void visit(final ArrayInitializerExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("{");
if (!isNullOrEmpty(n.getValues())) {
printer.print(" ");
for (final Iterator<Expression> i = n.getValues().iterator(); i.hasNext();) {
final Expression expr = i.next();
expr.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
printer.print(" ");
}
printer.print("}");
}
@Override public void visit(final VoidType n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("void");
}
@Override public void visit(final ArrayAccessExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getName().accept(this, arg);
printer.print("[");
n.getIndex().accept(this, arg);
printer.print("]");
}
@Override public void visit(final ArrayCreationExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("new ");
n.getType().accept(this, arg);
List<List<AnnotationExpr>> arraysAnnotations = n.getArraysAnnotations();
if (!isNullOrEmpty(n.getDimensions())) {
int j = 0;
for (final Expression dim : n.getDimensions()) {
if (arraysAnnotations != null && j < arraysAnnotations.size()) {
List<AnnotationExpr> annotations = arraysAnnotations.get(j);
if (!isNullOrEmpty(annotations)) {
for (AnnotationExpr ae : annotations) {
printer.print(" ");
ae.accept(this, arg);
}
}
}
printer.print("[");
dim.accept(this, arg);
printer.print("]");
j++;
}
for (int i = 0; i < n.getArrayCount(); i++) {
if (arraysAnnotations != null && i < arraysAnnotations.size()) {
List<AnnotationExpr> annotations = arraysAnnotations.get(i);
if (!isNullOrEmpty(annotations)) {
for (AnnotationExpr ae : annotations) {
printer.print(" ");
ae.accept(this, arg);
}
}
}
printer.print("[]");
}
} else {
for (int i = 0; i < n.getArrayCount(); i++) {
if (arraysAnnotations != null && i < arraysAnnotations.size()) {
List<AnnotationExpr> annotations = arraysAnnotations.get(i);
if (!isNullOrEmpty(annotations)) {
for (AnnotationExpr ae : annotations) {
ae.accept(this, arg);
printer.print(" ");
}
}
}
printer.print("[]");
}
printer.print(" ");
n.getInitializer().accept(this, arg);
}
}
@Override public void visit(final AssignExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getTarget().accept(this, arg);
printer.print(" ");
switch (n.getOperator()) {
case assign:
printer.print("=");
break;
case and:
printer.print("&=");
break;
case or:
printer.print("|=");
break;
case xor:
printer.print("^=");
break;
case plus:
printer.print("+=");
break;
case minus:
printer.print("-=");
break;
case rem:
printer.print("%=");
break;
case slash:
printer.print("/=");
break;
case star:
printer.print("*=");
break;
case lShift:
printer.print("<<=");
break;
case rSignedShift:
printer.print(">>=");
break;
case rUnsignedShift:
printer.print(">>>=");
break;
}
printer.print(" ");
n.getValue().accept(this, arg);
}
@Override public void visit(final BinaryExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getLeft().accept(this, arg);
printer.print(" ");
switch (n.getOperator()) {
case or:
printer.print("||");
break;
case and:
printer.print("&&");
break;
case binOr:
printer.print("|");
break;
case binAnd:
printer.print("&");
break;
case xor:
printer.print("^");
break;
case equals:
printer.print("==");
break;
case notEquals:
printer.print("!=");
break;
case less:
printer.print("<");
break;
case greater:
printer.print(">");
break;
case lessEquals:
printer.print("<=");
break;
case greaterEquals:
printer.print(">=");
break;
case lShift:
printer.print("<<");
break;
case rSignedShift:
printer.print(">>");
break;
case rUnsignedShift:
printer.print(">>>");
break;
case plus:
printer.print("+");
break;
case minus:
printer.print("-");
break;
case times:
printer.print("*");
break;
case divide:
printer.print("/");
break;
case remainder:
printer.print("%");
break;
}
printer.print(" ");
n.getRight().accept(this, arg);
}
@Override public void visit(final CastExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("(");
n.getType().accept(this, arg);
printer.print(") ");
n.getExpr().accept(this, arg);
}
@Override public void visit(final ClassExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getType().accept(this, arg);
printer.print(".class");
}
@Override public void visit(final ConditionalExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getCondition().accept(this, arg);
printer.print(" ? ");
n.getThenExpr().accept(this, arg);
printer.print(" : ");
n.getElseExpr().accept(this, arg);
}
@Override public void visit(final EnclosedExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("(");
if (n.getInner() != null) {
n.getInner().accept(this, arg);
}
printer.print(")");
}
@Override public void visit(final FieldAccessExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getScope().accept(this, arg);
printer.print(".");
printer.print(n.getField());
}
@Override public void visit(final InstanceOfExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getExpr().accept(this, arg);
printer.print(" instanceof ");
n.getType().accept(this, arg);
}
@Override public void visit(final CharLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("'");
printer.print(n.getValue());
printer.print("'");
}
@Override public void visit(final DoubleLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getValue());
}
@Override public void visit(final IntegerLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getValue());
}
@Override public void visit(final LongLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getValue());
}
@Override public void visit(final IntegerLiteralMinValueExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getValue());
}
@Override public void visit(final LongLiteralMinValueExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getValue());
}
@Override public void visit(final StringLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("\"");
printer.print(n.getValue());
printer.print("\"");
}
@Override public void visit(final TemplateLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
// TODO: resolve tags to print valid, escaped java code.
printer.print("`");
printer.print(n.getValue());
printer.print("`");
}
@Override
public void visit(UiAttrExpr n, Object arg) {
printJavaComment(n.getComment(), arg);
printer.indent();
n.getName().accept(this, arg);
printer.print(" = ");
if (n.getAnnotations() != null) {
printer.println();
for (AnnotationExpr annotationExpr : n.getAnnotations()) {
annotationExpr.accept(this, arg);
printer.println();
}
printer.println();
}
n.getExpression().accept(this, arg);
printer.outdent();
}
@Override
public void visit(UiContainerExpr n, Object arg) {
printJavaComment(n.getComment(), arg);
if (n.isInTemplate()) {
printer.print("`");
}
printer.print("<");
n.getNameExpr().accept(this, arg);
printer.indent();
for (UiAttrExpr attr : n.getAttributes()) {
printer.println();
attr.accept(this, arg);
}
printer.outdent();
if (n.getBody() == null) {
printer.print("/>");
} else {
printer.print(">");
n.getBody().accept(this, arg);
printer.print("</");
n.getNameExpr().accept(this, arg);
printer.print(">");
}
if (n.isInTemplate()) {
printer.print("`");
}
}
@Override
public void visit(UiBodyExpr n, Object arg) {
printJavaComment(n.getComment(), arg);
for (UiExpr child : n.getChildren()) {
if (child instanceof TemplateLiteralExpr) {
printer.print(((TemplateLiteralExpr)child).getValue());
} else {
child.accept(this, arg);
}
}
}
@Override public void visit(final BooleanLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(String.valueOf(n.getValue()));
}
@Override public void visit(final NullLiteralExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("null");
}
@Override public void visit(final ThisExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getClassExpr() != null) {
n.getClassExpr().accept(this, arg);
printer.print(".");
}
printer.print("this");
}
@Override public void visit(final SuperExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getClassExpr() != null) {
n.getClassExpr().accept(this, arg);
printer.print(".");
}
printer.print("super");
}
@Override public void visit(final MethodCallExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getScope() != null) {
n.getScope().accept(this, arg);
printer.print(".");
}
printTypeArgs(n.getTypeArgs(), arg);
printer.print(n.getName());
printArguments(n.getArgs(), arg);
}
@Override public void visit(final ObjectCreationExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getScope() != null) {
n.getScope().accept(this, arg);
printer.print(".");
}
printer.print("new ");
printTypeArgs(n.getTypeArgs(), arg);
if (!isNullOrEmpty(n.getTypeArgs())) {
printer.print(" ");
}
n.getType().accept(this, arg);
printArguments(n.getArgs(), arg);
if (n.getAnonymousClassBody() != null) {
printer.println(" {");
printer.indent();
printMembers(n.getAnonymousClassBody(), arg);
printer.outdent();
printer.print("}");
}
}
@Override public void visit(final UnaryExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
switch (n.getOperator()) {
case positive:
printer.print("+");
break;
case negative:
printer.print("-");
break;
case inverse:
printer.print("~");
break;
case not:
printer.print("!");
break;
case preIncrement:
printer.print("++");
break;
case preDecrement:
printer.print("--");
break;
default:
}
n.getExpr().accept(this, arg);
switch (n.getOperator()) {
case posIncrement:
printer.print("++");
break;
case posDecrement:
printer.print("--");
break;
default:
}
}
@Override public void visit(final ConstructorDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
printTypeParameters(n.getTypeParameters(), arg);
if (!n.getTypeParameters().isEmpty()) {
printer.print(" ");
}
printer.print(n.getName());
printer.print("(");
if (!n.getParameters().isEmpty()) {
for (final Iterator<Parameter> i = n.getParameters().iterator(); i.hasNext();) {
final Parameter p = i.next();
p.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print(")");
if (!isNullOrEmpty(n.getThrows())) {
printer.print(" throws ");
for (final Iterator<NameExpr> i = n.getThrows().iterator(); i.hasNext();) {
final NameExpr name = i.next();
name.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print(" ");
n.getBlock().accept(this, arg);
}
@Override public void visit(final MethodDeclaration n, final Object arg) {
printOrphanCommentsBeforeThisChildNode(n);
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
if (n.isDefault()) {
printer.print("default ");
}
printTypeParameters(n.getTypeParameters(), arg);
if (!isNullOrEmpty(n.getTypeParameters())) {
printer.print(" ");
}
n.getType().accept(this, arg);
printer.print(" ");
printer.print(n.getName());
printer.print("(");
if (!isNullOrEmpty(n.getParameters())) {
for (final Iterator<Parameter> i = n.getParameters().iterator(); i.hasNext();) {
final Parameter p = i.next();
p.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print(")");
for (int i = 0; i < n.getArrayCount(); i++) {
printer.print("[]");
}
if (!isNullOrEmpty(n.getThrows())) {
printer.print(" throws ");
for (final Iterator<ReferenceType> i = n.getThrows().iterator(); i.hasNext();) {
final ReferenceType name = i.next();
name.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
if (n.getBody() == null) {
printer.print(";");
} else {
printer.print(" ");
n.getBody().accept(this, arg);
}
}
@Override public void visit(final Parameter n, final Object arg) {
printJavaComment(n.getComment(), arg);
printAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
if (n.getType() != null) {
n.getType().accept(this, arg);
}
if (n.isVarArgs()) {
printer.print("...");
}
printer.print(" ");
n.getId().accept(this, arg);
}
@Override public void visit(MultiTypeParameter n, Object arg) {
printAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
Type type = n.getType();
if (type != null) {
type.accept(this, arg);
}
printer.print(" ");
n.getId().accept(this, arg);
}
@Override public void visit(final ExplicitConstructorInvocationStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.isThis()) {
printTypeArgs(n.getTypeArgs(), arg);
printer.print("this");
} else {
if (n.getExpr() != null) {
n.getExpr().accept(this, arg);
printer.print(".");
}
printTypeArgs(n.getTypeArgs(), arg);
printer.print("super");
}
printArguments(n.getArgs(), arg);
printer.print(";");
}
@Override public void visit(final VariableDeclarationExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
n.getType().accept(this, arg);
printer.print(" ");
for (final Iterator<VariableDeclarator> i = n.getVars().iterator(); i.hasNext();) {
final VariableDeclarator v = i.next();
v.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
@Override public void visit(final TypeDeclarationStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
n.getTypeDeclaration().accept(this, arg);
}
@Override public void visit(final AssertStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("assert ");
n.getCheck().accept(this, arg);
if (n.getMessage() != null) {
printer.print(" : ");
n.getMessage().accept(this, arg);
}
printer.print(";");
}
@Override public void visit(final BlockStmt n, final Object arg) {
printOrphanCommentsBeforeThisChildNode(n);
printJavaComment(n.getComment(), arg);
printer.println("{");
if (n.getStmts() != null) {
printer.indent();
for (final Statement s : n.getStmts()) {
s.accept(this, arg);
printer.println();
}
printer.outdent();
}
printOrphanCommentsEnding(n);
printer.print("}");
}
@Override public void visit(final LabeledStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getLabel());
printer.print(": ");
n.getStmt().accept(this, arg);
}
@Override public void visit(final EmptyStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(";");
}
@Override public void visit(final ExpressionStmt n, final Object arg) {
printOrphanCommentsBeforeThisChildNode(n);
printJavaComment(n.getComment(), arg);
n.getExpression().accept(this, arg);
printer.print(";");
}
@Override public void visit(final SwitchStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("switch(");
n.getSelector().accept(this, arg);
printer.println(") {");
if (n.getEntries() != null) {
printer.indent();
for (final SwitchEntryStmt e : n.getEntries()) {
e.accept(this, arg);
}
printer.outdent();
}
printer.print("}");
}
@Override public void visit(final SwitchEntryStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getLabel() != null) {
printer.print("case ");
n.getLabel().accept(this, arg);
printer.print(":");
} else {
printer.print("default:");
}
printer.println();
printer.indent();
if (n.getStmts() != null) {
for (final Statement s : n.getStmts()) {
s.accept(this, arg);
printer.println();
}
}
printer.outdent();
}
@Override public void visit(final BreakStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("break");
if (n.getId() != null) {
printer.print(" ");
printer.print(n.getId());
}
printer.print(";");
}
@Override public void visit(final ReturnStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("return");
if (n.getExpr() != null) {
printer.print(" ");
n.getExpr().accept(this, arg);
}
printer.print(";");
}
@Override public void visit(final EnumDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
printer.print("enum ");
printer.print(n.getName());
if (!n.getImplements().isEmpty()) {
printer.print(" implements ");
for (final Iterator<ClassOrInterfaceType> i = n.getImplements().iterator(); i.hasNext();) {
final ClassOrInterfaceType c = i.next();
c.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.println(" {");
printer.indent();
if (n.getEntries() != null) {
printer.println();
for (final Iterator<EnumConstantDeclaration> i = n.getEntries().iterator(); i.hasNext();) {
final EnumConstantDeclaration e = i.next();
e.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
if (!n.getMembers().isEmpty()) {
printer.println(";");
printMembers(n.getMembers(), arg);
} else {
if (!n.getEntries().isEmpty()) {
printer.println();
}
}
printer.outdent();
printer.print("}");
}
@Override public void visit(final EnumConstantDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printer.print(n.getName());
if (n.getArgs() != null) {
printArguments(n.getArgs(), arg);
}
if (!n.getClassBody().isEmpty()) {
printer.println(" {");
printer.indent();
printMembers(n.getClassBody(), arg);
printer.outdent();
printer.println("}");
}
}
@Override public void visit(final EmptyMemberDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printer.print(";");
}
@Override public void visit(final InitializerDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
if (n.isStatic()) {
printer.print("static ");
}
n.getBlock().accept(this, arg);
}
@Override public void visit(final IfStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("if (");
n.getCondition().accept(this, arg);
final boolean thenBlock = n.getThenStmt() instanceof BlockStmt;
if (thenBlock) // block statement should start on the same line
printer.print(") ");
else {
printer.println(")");
printer.indent();
}
n.getThenStmt().accept(this, arg);
if (!thenBlock)
printer.outdent();
if (n.getElseStmt() != null) {
if (thenBlock)
printer.print(" ");
else
printer.println();
final boolean elseIf = n.getElseStmt() instanceof IfStmt;
final boolean elseBlock = n.getElseStmt() instanceof BlockStmt;
if (elseIf || elseBlock) // put chained if and start of block statement on a same level
printer.print("else ");
else {
printer.println("else");
printer.indent();
}
n.getElseStmt().accept(this, arg);
if (!(elseIf || elseBlock))
printer.outdent();
}
}
@Override public void visit(final WhileStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("while (");
n.getCondition().accept(this, arg);
printer.print(") ");
n.getBody().accept(this, arg);
}
@Override public void visit(final ContinueStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("continue");
if (n.getId() != null) {
printer.print(" ");
printer.print(n.getId());
}
printer.print(";");
}
@Override public void visit(final DoStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("do ");
n.getBody().accept(this, arg);
printer.print(" while (");
n.getCondition().accept(this, arg);
printer.print(");");
}
@Override public void visit(final ForeachStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("for (");
n.getVariable().accept(this, arg);
printer.print(" : ");
n.getIterable().accept(this, arg);
printer.print(") ");
n.getBody().accept(this, arg);
}
@Override public void visit(final ForStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("for (");
if (n.getInit() != null) {
for (final Iterator<Expression> i = n.getInit().iterator(); i.hasNext();) {
final Expression e = i.next();
e.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print("; ");
if (n.getCompare() != null) {
n.getCompare().accept(this, arg);
}
printer.print("; ");
if (n.getUpdate() != null) {
for (final Iterator<Expression> i = n.getUpdate().iterator(); i.hasNext();) {
final Expression e = i.next();
e.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print(") ");
n.getBody().accept(this, arg);
}
@Override public void visit(final ThrowStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("throw ");
n.getExpr().accept(this, arg);
printer.print(";");
}
@Override public void visit(final SynchronizedStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("synchronized (");
n.getExpr().accept(this, arg);
printer.print(") ");
n.getBlock().accept(this, arg);
}
@Override public void visit(final TryStmt n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("try ");
if (!n.getResources().isEmpty()) {
printer.print("(");
Iterator<VariableDeclarationExpr> resources = n.getResources().iterator();
boolean first = true;
while (resources.hasNext()) {
visit(resources.next(), arg);
if (resources.hasNext()) {
printer.print(";");
printer.println();
if (first) {
printer.indent();
}
}
first = false;
}
if (n.getResources().size() > 1) {
printer.outdent();
}
printer.print(") ");
}
n.getTryBlock().accept(this, arg);
if (n.getCatchs() != null) {
for (final CatchClause c : n.getCatchs()) {
c.accept(this, arg);
}
}
if (n.getFinallyBlock() != null) {
printer.print(" finally ");
n.getFinallyBlock().accept(this, arg);
}
}
@Override public void visit(final CatchClause n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(" catch (");
n.getParam().accept(this, arg);
printer.print(") ");
n.getCatchBlock().accept(this, arg);
}
@Override public void visit(final AnnotationDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
printer.print("@interface ");
printer.print(n.getName());
printer.println(" {");
printer.indent();
if (n.getMembers() != null) {
printMembers(n.getMembers(), arg);
}
printer.outdent();
printer.print("}");
}
@Override public void visit(final AnnotationMemberDeclaration n, final Object arg) {
printJavaComment(n.getComment(), arg);
printJavadoc(n.getJavaDoc(), arg);
printMemberAnnotations(n.getAnnotations(), arg);
printModifiers(n.getModifiers());
n.getType().accept(this, arg);
printer.print(" ");
printer.print(n.getName());
printer.print("()");
if (n.getDefaultValue() != null) {
printer.print(" default ");
n.getDefaultValue().accept(this, arg);
}
printer.print(";");
}
@Override public void visit(final MarkerAnnotationExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("@");
n.getName().accept(this, arg);
}
@Override public void visit(final SingleMemberAnnotationExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("@");
n.getName().accept(this, arg);
printer.print("(");
n.getMemberValue().accept(this, arg);
printer.print(")");
}
@Override public void visit(final NormalAnnotationExpr n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print("@");
n.getName().accept(this, arg);
printer.print("(");
if (n.getPairs() != null) {
for (final Iterator<MemberValuePair> i = n.getPairs().iterator(); i.hasNext();) {
final MemberValuePair m = i.next();
m.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
printer.print(")");
}
@Override public void visit(final MemberValuePair n, final Object arg) {
printJavaComment(n.getComment(), arg);
printer.print(n.getName());
printer.print(" = ");
n.getValue().accept(this, arg);
}
@Override public void visit(final LineComment n, final Object arg) {
if (!this.printComments) {
return;
}
printer.print("//");
String tmp = n.getContent();
tmp = tmp.replace('\r', ' ');
tmp = tmp.replace('\n', ' ');
printer.println(tmp);
}
@Override public void visit(final BlockComment n, final Object arg) {
if (!this.printComments) {
return;
}
printer.print("/*");
printer.print(n.getContent());
printer.println("*/");
}
@Override
public void visit(LambdaExpr n, Object arg) {
printJavaComment(n.getComment(), arg);
List<Parameter> parameters = n.getParameters();
boolean printPar = n.isParametersEnclosed();
if (printPar) {
printer.print("(");
}
boolean hadParam = false;
if (parameters != null) {
for (Iterator<Parameter> i = parameters.iterator(); i.hasNext();) {
hadParam = true;
Parameter p = i.next();
p.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
}
if (printPar) {
if (hadParam) {
printer.print(" ");
}
printer.print(")");
}
printer.print(" -> ");
Statement body = n.getBody();
if (body instanceof ExpressionStmt) {
// Print the expression directly
((ExpressionStmt) body).getExpression().accept(this, arg);
} else {
body.accept(this, arg);
}
}
@Override
public void visit(MethodReferenceExpr n, Object arg) {
printJavaComment(n.getComment(), arg);
Expression scope = n.getScope();
String identifier = n.getIdentifier();
if (scope != null) {
n.getScope().accept(this, arg);
}
printer.print("::");
if (!n.getTypeParameters().isEmpty()) {
printer.print("<");
for (Iterator<TypeParameter> i = n.getTypeParameters().iterator(); i
.hasNext();) {
TypeParameter p = i.next();
p.accept(this, arg);
if (i.hasNext()) {
printer.print(", ");
}
}
printer.print(">");
}
if (identifier != null) {
printer.print(identifier);
}
}
@Override
public void visit(TypeExpr n, Object arg) {
printJavaComment(n.getComment(), arg);
if (n.getType() != null) {
n.getType().accept(this, arg);
}
}
private boolean inArray;
@Override
public void visit(JsonContainerExpr n, Object arg) {
if (n.isArray()) {
printer.print("[");
} else {
printer.print("{");
}
final boolean was = inArray;
inArray = n.isArray();
final List<JsonPairExpr> pairs = n.getPairs();
for (int i = 0; i < pairs.size(); i++ ) {
if (i > 0) {
printer.print(", ");
}
pairs.get(i).accept(this, arg);
}
inArray = was;
if (n.isArray()) {
printer.print("]");
} else {
printer.print("}");
}
}
@Override
public void visit(JsonPairExpr n, Object arg) {
if (inArray) {
assert n.getKeyExpr() instanceof IntegerLiteralExpr;
n.getValueExpr().accept(this, arg);
} else {
n.getKeyExpr().accept(this, arg);
printer.print(" : ");
n.getValueExpr().accept(this, arg);
}
}
@Override
public void visit(CssBlockExpr n, Object arg) {
printer.println(".{");
printer.indent();
final List<CssContainerExpr> containers = n.getContainers();
if (containers.size() == 1 && containers.get(0).getSelectors().isEmpty()) {
// In the case of a single container with no rules, we do not want to
// print a wrapper .{ } as there are no blocks inside; instead,
// we just want to print .{ rules: inline }
containers.get(0).getRules().forEach(rule -> visit(rule, arg));
} else {
containers.forEach(container->visit(container, arg));
}
printer.outdent();
printer.print("}");
}
@Override
public void visit(CssContainerExpr n, Object arg) {
final List<CssSelectorExpr> selectors = n.getSelectors();
for (int i = 0; i < selectors.size(); i++) {
if (i > 0) {
printer.println(", ");
}
selectors.get(i).accept(this, arg);
}
printer.println("{");
printer.indent();
n.getRules().forEach(rule->rule.accept(this, arg));
printer.outdent();
printer.println("}");
}
@Override
public void visit(CssRuleExpr n, Object arg) {
n.getKey().accept(this, arg);
printer.print(" : ");
n.getValue().accept(this, arg);
printer.println(";");
}
@Override
public void visit(CssValueExpr n, Object arg) {
final Expression value = n.getValue();
if (value != null) {
value.accept(this, arg);
}
if (n.getUnit() != null) {
printer.print(n.getUnit());
}
if (n.isImportant()) {
printer.print(" !important");
}
}
@Override
public void visit(CssSelectorExpr n, Object arg) {
n.getParts().forEach(part->printer.print(part+" "));
}
private void printOrphanCommentsBeforeThisChildNode(final Node node){
if (node instanceof Comment) return;
Node parent = node.getParentNode();
if (parent==null) return;
List<Node> everything = new LinkedList<>();
everything.addAll(parent.getChildrenNodes());
sortByBeginPosition(everything);
int positionOfTheChild = -1;
for (int i=0;i<everything.size();i++){
if (everything.get(i)==node) positionOfTheChild=i;
}
if (positionOfTheChild==-1) throw new RuntimeException("My index not found!!! "+node);
int positionOfPreviousChild = -1;
for (int i=positionOfTheChild-1;i>=0 && positionOfPreviousChild==-1;i--){
if (!(everything.get(i) instanceof Comment)) positionOfPreviousChild = i;
}
for (int i=positionOfPreviousChild+1;i<positionOfTheChild;i++){
Node nodeToPrint = everything.get(i);
if (!(nodeToPrint instanceof Comment)) throw new RuntimeException("Expected comment, instead "+nodeToPrint.getClass()+". Position of previous child: "+positionOfPreviousChild+", position of child "+positionOfTheChild);
nodeToPrint.accept(this,null);
}
}
private void printOrphanCommentsEnding(final Node node){
List<Node> everything = new LinkedList<>();
everything.addAll(node.getChildrenNodes());
sortByBeginPosition(everything);
if (everything.isEmpty()) {
return;
}
int commentsAtEnd = 0;
boolean findingComments = true;
while (findingComments && commentsAtEnd<everything.size()){
Node last = everything.get(everything.size() - 1 - commentsAtEnd);
findingComments = (last instanceof Comment);
if (findingComments) {
commentsAtEnd++;
}
}
for (int i=0; i<commentsAtEnd; i++){
everything.get(everything.size()-commentsAtEnd+i).accept(this, null);
}
}
}