| /* |
| * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.classfile; |
| |
| import java.util.Deque; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.regex.Pattern; |
| |
| import com.sun.tools.classfile.Dependency.Filter; |
| import com.sun.tools.classfile.Dependency.Finder; |
| import com.sun.tools.classfile.Dependency.Location; |
| import com.sun.tools.classfile.Type.ArrayType; |
| import com.sun.tools.classfile.Type.ClassSigType; |
| import com.sun.tools.classfile.Type.ClassType; |
| import com.sun.tools.classfile.Type.MethodType; |
| import com.sun.tools.classfile.Type.SimpleType; |
| import com.sun.tools.classfile.Type.TypeParamType; |
| import com.sun.tools.classfile.Type.WildcardType; |
| |
| import static com.sun.tools.classfile.ConstantPool.*; |
| |
| /** |
| * A framework for determining {@link Dependency dependencies} between class files. |
| * |
| * A {@link Dependency.Finder finder} is used to identify the dependencies of |
| * individual classes. Some finders may return subtypes of {@code Dependency} to |
| * further characterize the type of dependency, such as a dependency on a |
| * method within a class. |
| * |
| * A {@link Dependency.Filter filter} may be used to restrict the set of |
| * dependencies found by a finder. |
| * |
| * Dependencies that are found may be passed to a {@link Dependencies.Recorder |
| * recorder} so that the dependencies can be stored in a custom data structure. |
| */ |
| public class Dependencies { |
| /** |
| * Thrown when a class file cannot be found. |
| */ |
| public static class ClassFileNotFoundException extends Exception { |
| private static final long serialVersionUID = 3632265927794475048L; |
| |
| public ClassFileNotFoundException(String className) { |
| super(className); |
| this.className = className; |
| } |
| |
| public ClassFileNotFoundException(String className, Throwable cause) { |
| this(className); |
| initCause(cause); |
| } |
| |
| public final String className; |
| } |
| |
| /** |
| * Thrown when an exception is found processing a class file. |
| */ |
| public static class ClassFileError extends Error { |
| private static final long serialVersionUID = 4111110813961313203L; |
| |
| public ClassFileError(Throwable cause) { |
| initCause(cause); |
| } |
| } |
| |
| /** |
| * Service provider interface to locate and read class files. |
| */ |
| public interface ClassFileReader { |
| /** |
| * Get the ClassFile object for a specified class. |
| * @param className the name of the class to be returned. |
| * @return the ClassFile for the given class |
| * @throws Dependencies.ClassFileNotFoundException if the classfile cannot be |
| * found |
| */ |
| public ClassFile getClassFile(String className) |
| throws ClassFileNotFoundException; |
| } |
| |
| /** |
| * Service provide interface to handle results. |
| */ |
| public interface Recorder { |
| /** |
| * Record a dependency that has been found. |
| * @param d |
| */ |
| public void addDependency(Dependency d); |
| } |
| |
| /** |
| * Get the default finder used to locate the dependencies for a class. |
| * @return the default finder |
| */ |
| public static Finder getDefaultFinder() { |
| return new APIDependencyFinder(AccessFlags.ACC_PRIVATE); |
| } |
| |
| /** |
| * Get a finder used to locate the API dependencies for a class. |
| * These include the superclass, superinterfaces, and classes referenced in |
| * the declarations of fields and methods. The fields and methods that |
| * are checked can be limited according to a specified access. |
| * The access parameter must be one of {@link AccessFlags#ACC_PUBLIC ACC_PUBLIC}, |
| * {@link AccessFlags#ACC_PRIVATE ACC_PRIVATE}, |
| * {@link AccessFlags#ACC_PROTECTED ACC_PROTECTED}, or 0 for |
| * package private access. Members with greater than or equal accessibility |
| * to that specified will be searched for dependencies. |
| * @param access the access of members to be checked |
| * @return an API finder |
| */ |
| public static Finder getAPIFinder(int access) { |
| return new APIDependencyFinder(access); |
| } |
| |
| /** |
| * Get a finder to do class dependency analysis. |
| * |
| * @return a Class dependency finder |
| */ |
| public static Finder getClassDependencyFinder() { |
| return new ClassDependencyFinder(); |
| } |
| |
| /** |
| * Get the finder used to locate the dependencies for a class. |
| * @return the finder |
| */ |
| public Finder getFinder() { |
| if (finder == null) |
| finder = getDefaultFinder(); |
| return finder; |
| } |
| |
| /** |
| * Set the finder used to locate the dependencies for a class. |
| * @param f the finder |
| */ |
| public void setFinder(Finder f) { |
| finder = Objects.requireNonNull(f); |
| } |
| |
| /** |
| * Get the default filter used to determine included when searching |
| * the transitive closure of all the dependencies. |
| * Unless overridden, the default filter accepts all dependencies. |
| * @return the default filter. |
| */ |
| public static Filter getDefaultFilter() { |
| return DefaultFilter.instance(); |
| } |
| |
| /** |
| * Get a filter which uses a regular expression on the target's class name |
| * to determine if a dependency is of interest. |
| * @param pattern the pattern used to match the target's class name |
| * @return a filter for matching the target class name with a regular expression |
| */ |
| public static Filter getRegexFilter(Pattern pattern) { |
| return new TargetRegexFilter(pattern); |
| } |
| |
| /** |
| * Get a filter which checks the package of a target's class name |
| * to determine if a dependency is of interest. The filter checks if the |
| * package of the target's class matches any of a set of given package |
| * names. The match may optionally match subpackages of the given names as well. |
| * @param packageNames the package names used to match the target's class name |
| * @param matchSubpackages whether or not to match subpackages as well |
| * @return a filter for checking the target package name against a list of package names |
| */ |
| public static Filter getPackageFilter(Set<String> packageNames, boolean matchSubpackages) { |
| return new TargetPackageFilter(packageNames, matchSubpackages); |
| } |
| |
| /** |
| * Get the filter used to determine the dependencies included when searching |
| * the transitive closure of all the dependencies. |
| * Unless overridden, the default filter accepts all dependencies. |
| * @return the filter |
| */ |
| public Filter getFilter() { |
| if (filter == null) |
| filter = getDefaultFilter(); |
| return filter; |
| } |
| |
| /** |
| * Set the filter used to determine the dependencies included when searching |
| * the transitive closure of all the dependencies. |
| * @param f the filter |
| */ |
| public void setFilter(Filter f) { |
| filter = Objects.requireNonNull(f); |
| } |
| |
| /** |
| * Find the dependencies of a class, using the current |
| * {@link Dependencies#getFinder finder} and |
| * {@link Dependencies#getFilter filter}. |
| * The search may optionally include the transitive closure of all the |
| * filtered dependencies, by also searching in the classes named in those |
| * dependencies. |
| * @param classFinder a finder to locate class files |
| * @param rootClassNames the names of the root classes from which to begin |
| * searching |
| * @param transitiveClosure whether or not to also search those classes |
| * named in any filtered dependencies that are found. |
| * @return the set of dependencies that were found |
| * @throws ClassFileNotFoundException if a required class file cannot be found |
| * @throws ClassFileError if an error occurs while processing a class file, |
| * such as an error in the internal class file structure. |
| */ |
| public Set<Dependency> findAllDependencies( |
| ClassFileReader classFinder, Set<String> rootClassNames, |
| boolean transitiveClosure) |
| throws ClassFileNotFoundException { |
| final Set<Dependency> results = new HashSet<>(); |
| Recorder r = results::add; |
| findAllDependencies(classFinder, rootClassNames, transitiveClosure, r); |
| return results; |
| } |
| |
| /** |
| * Find the dependencies of a class, using the current |
| * {@link Dependencies#getFinder finder} and |
| * {@link Dependencies#getFilter filter}. |
| * The search may optionally include the transitive closure of all the |
| * filtered dependencies, by also searching in the classes named in those |
| * dependencies. |
| * @param classFinder a finder to locate class files |
| * @param rootClassNames the names of the root classes from which to begin |
| * searching |
| * @param transitiveClosure whether or not to also search those classes |
| * named in any filtered dependencies that are found. |
| * @param recorder a recorder for handling the results |
| * @throws ClassFileNotFoundException if a required class file cannot be found |
| * @throws ClassFileError if an error occurs while processing a class file, |
| * such as an error in the internal class file structure. |
| */ |
| public void findAllDependencies( |
| ClassFileReader classFinder, Set<String> rootClassNames, |
| boolean transitiveClosure, Recorder recorder) |
| throws ClassFileNotFoundException { |
| Set<String> doneClasses = new HashSet<>(); |
| |
| getFinder(); // ensure initialized |
| getFilter(); // ensure initialized |
| |
| // Work queue of names of classfiles to be searched. |
| // Entries will be unique, and for classes that do not yet have |
| // dependencies in the results map. |
| Deque<String> deque = new LinkedList<>(rootClassNames); |
| |
| String className; |
| while ((className = deque.poll()) != null) { |
| assert (!doneClasses.contains(className)); |
| doneClasses.add(className); |
| |
| ClassFile cf = classFinder.getClassFile(className); |
| |
| // The following code just applies the filter to the dependencies |
| // followed for the transitive closure. |
| for (Dependency d: finder.findDependencies(cf)) { |
| recorder.addDependency(d); |
| if (transitiveClosure && filter.accepts(d)) { |
| String cn = d.getTarget().getClassName(); |
| if (!doneClasses.contains(cn)) |
| deque.add(cn); |
| } |
| } |
| } |
| } |
| |
| private Filter filter; |
| private Finder finder; |
| |
| /** |
| * A location identifying a class. |
| */ |
| static class SimpleLocation implements Location { |
| public SimpleLocation(String name) { |
| this.name = name; |
| this.className = name.replace('/', '.'); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public String getClassName() { |
| return className; |
| } |
| |
| public String getPackageName() { |
| int i = name.lastIndexOf('/'); |
| return (i > 0) ? name.substring(0, i).replace('/', '.') : ""; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) |
| return true; |
| if (!(other instanceof SimpleLocation)) |
| return false; |
| return (name.equals(((SimpleLocation) other).name)); |
| } |
| |
| @Override |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| |
| private String name; |
| private String className; |
| } |
| |
| /** |
| * A dependency of one class on another. |
| */ |
| static class SimpleDependency implements Dependency { |
| public SimpleDependency(Location origin, Location target) { |
| this.origin = origin; |
| this.target = target; |
| } |
| |
| public Location getOrigin() { |
| return origin; |
| } |
| |
| public Location getTarget() { |
| return target; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) |
| return true; |
| if (!(other instanceof SimpleDependency)) |
| return false; |
| SimpleDependency o = (SimpleDependency) other; |
| return (origin.equals(o.origin) && target.equals(o.target)); |
| } |
| |
| @Override |
| public int hashCode() { |
| return origin.hashCode() * 31 + target.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return origin + ":" + target; |
| } |
| |
| private Location origin; |
| private Location target; |
| } |
| |
| |
| /** |
| * This class accepts all dependencies. |
| */ |
| static class DefaultFilter implements Filter { |
| private static DefaultFilter instance; |
| |
| static DefaultFilter instance() { |
| if (instance == null) |
| instance = new DefaultFilter(); |
| return instance; |
| } |
| |
| public boolean accepts(Dependency dependency) { |
| return true; |
| } |
| } |
| |
| /** |
| * This class accepts those dependencies whose target's class name matches a |
| * regular expression. |
| */ |
| static class TargetRegexFilter implements Filter { |
| TargetRegexFilter(Pattern pattern) { |
| this.pattern = pattern; |
| } |
| |
| public boolean accepts(Dependency dependency) { |
| return pattern.matcher(dependency.getTarget().getClassName()).matches(); |
| } |
| |
| private final Pattern pattern; |
| } |
| |
| /** |
| * This class accepts those dependencies whose class name is in a given |
| * package. |
| */ |
| static class TargetPackageFilter implements Filter { |
| TargetPackageFilter(Set<String> packageNames, boolean matchSubpackages) { |
| for (String pn: packageNames) { |
| if (pn.length() == 0) // implies null check as well |
| throw new IllegalArgumentException(); |
| } |
| this.packageNames = packageNames; |
| this.matchSubpackages = matchSubpackages; |
| } |
| |
| public boolean accepts(Dependency dependency) { |
| String pn = dependency.getTarget().getPackageName(); |
| if (packageNames.contains(pn)) |
| return true; |
| |
| if (matchSubpackages) { |
| for (String n: packageNames) { |
| if (pn.startsWith(n + ".")) |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| private final Set<String> packageNames; |
| private final boolean matchSubpackages; |
| } |
| |
| /** |
| * This class identifies class names directly or indirectly in the constant pool. |
| */ |
| static class ClassDependencyFinder extends BasicDependencyFinder { |
| public Iterable<? extends Dependency> findDependencies(ClassFile classfile) { |
| Visitor v = new Visitor(classfile); |
| for (CPInfo cpInfo: classfile.constant_pool.entries()) { |
| v.scan(cpInfo); |
| } |
| try { |
| v.addClass(classfile.super_class); |
| v.addClasses(classfile.interfaces); |
| v.scan(classfile.attributes); |
| |
| for (Field f : classfile.fields) { |
| v.scan(f.descriptor, f.attributes); |
| } |
| for (Method m : classfile.methods) { |
| v.scan(m.descriptor, m.attributes); |
| Exceptions_attribute e = |
| (Exceptions_attribute)m.attributes.get(Attribute.Exceptions); |
| if (e != null) { |
| v.addClasses(e.exception_index_table); |
| } |
| } |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| |
| return v.deps; |
| } |
| } |
| |
| /** |
| * This class identifies class names in the signatures of classes, fields, |
| * and methods in a class. |
| */ |
| static class APIDependencyFinder extends BasicDependencyFinder { |
| APIDependencyFinder(int access) { |
| switch (access) { |
| case AccessFlags.ACC_PUBLIC: |
| case AccessFlags.ACC_PROTECTED: |
| case AccessFlags.ACC_PRIVATE: |
| case 0: |
| showAccess = access; |
| break; |
| default: |
| throw new IllegalArgumentException("invalid access 0x" |
| + Integer.toHexString(access)); |
| } |
| } |
| |
| public Iterable<? extends Dependency> findDependencies(ClassFile classfile) { |
| try { |
| Visitor v = new Visitor(classfile); |
| v.addClass(classfile.super_class); |
| v.addClasses(classfile.interfaces); |
| // inner classes? |
| for (Field f : classfile.fields) { |
| if (checkAccess(f.access_flags)) |
| v.scan(f.descriptor, f.attributes); |
| } |
| for (Method m : classfile.methods) { |
| if (checkAccess(m.access_flags)) { |
| v.scan(m.descriptor, m.attributes); |
| Exceptions_attribute e = |
| (Exceptions_attribute) m.attributes.get(Attribute.Exceptions); |
| if (e != null) |
| v.addClasses(e.exception_index_table); |
| } |
| } |
| return v.deps; |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| boolean checkAccess(AccessFlags flags) { |
| // code copied from javap.Options.checkAccess |
| boolean isPublic = flags.is(AccessFlags.ACC_PUBLIC); |
| boolean isProtected = flags.is(AccessFlags.ACC_PROTECTED); |
| boolean isPrivate = flags.is(AccessFlags.ACC_PRIVATE); |
| boolean isPackage = !(isPublic || isProtected || isPrivate); |
| |
| if ((showAccess == AccessFlags.ACC_PUBLIC) && (isProtected || isPrivate || isPackage)) |
| return false; |
| else if ((showAccess == AccessFlags.ACC_PROTECTED) && (isPrivate || isPackage)) |
| return false; |
| else if ((showAccess == 0) && (isPrivate)) |
| return false; |
| else |
| return true; |
| } |
| |
| private int showAccess; |
| } |
| |
| static abstract class BasicDependencyFinder implements Finder { |
| private Map<String,Location> locations = new ConcurrentHashMap<>(); |
| |
| Location getLocation(String className) { |
| return locations.computeIfAbsent(className, SimpleLocation::new); |
| } |
| |
| class Visitor implements ConstantPool.Visitor<Void,Void>, Type.Visitor<Void, Void> { |
| private ConstantPool constant_pool; |
| private Location origin; |
| Set<Dependency> deps; |
| |
| Visitor(ClassFile classFile) { |
| try { |
| constant_pool = classFile.constant_pool; |
| origin = getLocation(classFile.getName()); |
| deps = new HashSet<>(); |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| void scan(Descriptor d, Attributes attrs) { |
| try { |
| scan(new Signature(d.index).getType(constant_pool)); |
| scan(attrs); |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| void scan(CPInfo cpInfo) { |
| cpInfo.accept(this, null); |
| } |
| |
| void scan(Type t) { |
| t.accept(this, null); |
| } |
| |
| void scan(Attributes attrs) { |
| try { |
| Signature_attribute sa = (Signature_attribute)attrs.get(Attribute.Signature); |
| if (sa != null) |
| scan(sa.getParsedSignature().getType(constant_pool)); |
| |
| scan((RuntimeVisibleAnnotations_attribute) |
| attrs.get(Attribute.RuntimeVisibleAnnotations)); |
| scan((RuntimeVisibleParameterAnnotations_attribute) |
| attrs.get(Attribute.RuntimeVisibleParameterAnnotations)); |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| private void scan(RuntimeAnnotations_attribute attr) throws ConstantPoolException { |
| if (attr == null) { |
| return; |
| } |
| for (int i = 0; i < attr.annotations.length; i++) { |
| int index = attr.annotations[i].type_index; |
| scan(new Signature(index).getType(constant_pool)); |
| } |
| } |
| |
| private void scan(RuntimeParameterAnnotations_attribute attr) throws ConstantPoolException { |
| if (attr == null) { |
| return; |
| } |
| for (int param = 0; param < attr.parameter_annotations.length; param++) { |
| for (int i = 0; i < attr.parameter_annotations[param].length; i++) { |
| int index = attr.parameter_annotations[param][i].type_index; |
| scan(new Signature(index).getType(constant_pool)); |
| } |
| } |
| } |
| |
| void addClass(int index) throws ConstantPoolException { |
| if (index != 0) { |
| String name = constant_pool.getClassInfo(index).getBaseName(); |
| if (name != null) |
| addDependency(name); |
| } |
| } |
| |
| void addClasses(int[] indices) throws ConstantPoolException { |
| for (int i: indices) |
| addClass(i); |
| } |
| |
| private void addDependency(String name) { |
| deps.add(new SimpleDependency(origin, getLocation(name))); |
| } |
| |
| // ConstantPool.Visitor methods |
| |
| public Void visitClass(CONSTANT_Class_info info, Void p) { |
| try { |
| if (info.getName().startsWith("[")) |
| new Signature(info.name_index).getType(constant_pool).accept(this, null); |
| else |
| addDependency(info.getBaseName()); |
| return null; |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| public Void visitDouble(CONSTANT_Double_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitFieldref(CONSTANT_Fieldref_info info, Void p) { |
| return visitRef(info, p); |
| } |
| |
| public Void visitFloat(CONSTANT_Float_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitInteger(CONSTANT_Integer_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, Void p) { |
| return visitRef(info, p); |
| } |
| |
| public Void visitInvokeDynamic(CONSTANT_InvokeDynamic_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitLong(CONSTANT_Long_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitMethodHandle(CONSTANT_MethodHandle_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitMethodType(CONSTANT_MethodType_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitMethodref(CONSTANT_Methodref_info info, Void p) { |
| return visitRef(info, p); |
| } |
| |
| public Void visitModule(CONSTANT_Module_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitNameAndType(CONSTANT_NameAndType_info info, Void p) { |
| try { |
| new Signature(info.type_index).getType(constant_pool).accept(this, null); |
| return null; |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| public Void visitPackage(CONSTANT_Package_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitString(CONSTANT_String_info info, Void p) { |
| return null; |
| } |
| |
| public Void visitUtf8(CONSTANT_Utf8_info info, Void p) { |
| return null; |
| } |
| |
| private Void visitRef(CPRefInfo info, Void p) { |
| try { |
| visitClass(info.getClassInfo(), p); |
| return null; |
| } catch (ConstantPoolException e) { |
| throw new ClassFileError(e); |
| } |
| } |
| |
| // Type.Visitor methods |
| |
| private void findDependencies(Type t) { |
| if (t != null) |
| t.accept(this, null); |
| } |
| |
| private void findDependencies(List<? extends Type> ts) { |
| if (ts != null) { |
| for (Type t: ts) |
| t.accept(this, null); |
| } |
| } |
| |
| public Void visitSimpleType(SimpleType type, Void p) { |
| return null; |
| } |
| |
| public Void visitArrayType(ArrayType type, Void p) { |
| findDependencies(type.elemType); |
| return null; |
| } |
| |
| public Void visitMethodType(MethodType type, Void p) { |
| findDependencies(type.paramTypes); |
| findDependencies(type.returnType); |
| findDependencies(type.throwsTypes); |
| findDependencies(type.typeParamTypes); |
| return null; |
| } |
| |
| public Void visitClassSigType(ClassSigType type, Void p) { |
| findDependencies(type.superclassType); |
| findDependencies(type.superinterfaceTypes); |
| return null; |
| } |
| |
| public Void visitClassType(ClassType type, Void p) { |
| findDependencies(type.outerType); |
| addDependency(type.getBinaryName()); |
| findDependencies(type.typeArgs); |
| return null; |
| } |
| |
| public Void visitTypeParamType(TypeParamType type, Void p) { |
| findDependencies(type.classBound); |
| findDependencies(type.interfaceBounds); |
| return null; |
| } |
| |
| public Void visitWildcardType(WildcardType type, Void p) { |
| findDependencies(type.boundType); |
| return null; |
| } |
| } |
| } |
| } |