proguard.classfile.constant.visitor.MethodrefTraveler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of proguard-core Show documentation

ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package proguard.classfile.constant.visitor;

import proguard.classfile.Clazz;
import proguard.classfile.constant.*;

/**
 * This {@link ConstantVisitor} travels from any method handle constants that it visits to their
 * methodref constants, and applies a given constant visitor.
 *
 * @author Eric Lafortune
 */
public class MethodrefTraveler implements ConstantVisitor {
  private ConstantVisitor methodrefConstantVisitor;

  /** Creates a new v that will delegate to the given constant visitor. */
  public MethodrefTraveler(ConstantVisitor methodrefConstantVisitor) {
    this.methodrefConstantVisitor = methodrefConstantVisitor;
  }

  // Implementations for ConstantVisitor.

  public void visitAnyConstant(Clazz clazz, Constant constant) {}

  public void visitMethodHandleConstant(Clazz clazz, MethodHandleConstant methodHandleConstant) {
    clazz.constantPoolEntryAccept(methodHandleConstant.u2referenceIndex, methodrefConstantVisitor);
  }
}