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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;

import proguard.classfile.*;
import proguard.classfile.visitor.MemberVisitor;

/**
 * This {@link Constant} represents a method reference constant in the constant pool.
 *
 * @author Eric Lafortune
 */
public abstract class AnyMethodrefConstant extends RefConstant {
  /**
   * An extra field optionally pointing to the referenced Method object. This field is typically
   * filled out by the {@link
   * proguard.classfile.util.ClassReferenceInitializer
   * ClassReferenceInitializer}.
   */
  public Method referencedMethod;

  /** Creates an uninitialized AnyMethodrefConstant. */
  public AnyMethodrefConstant() {}

  /**
   * Creates a new AnyMethodrefConstant with the given name and type indices.
   *
   * @param u2classIndex the index of the class in the constant pool.
   * @param u2nameAndTypeIndex the index of the name and type entry in the constant pool.
   * @param referencedClass the referenced class.
   * @param referencedMethod the referenced method.
   */
  public AnyMethodrefConstant(
      int u2classIndex, int u2nameAndTypeIndex, Clazz referencedClass, Method referencedMethod) {
    this.u2classIndex = u2classIndex;
    this.u2nameAndTypeIndex = u2nameAndTypeIndex;
    this.referencedClass = referencedClass;
    this.referencedMethod = referencedMethod;
  }

  /** Lets the referenced class method accept the given visitor. */
  public void referencedMethodAccept(MemberVisitor memberVisitor) {
    if (referencedMethod != null) {
      referencedMethod.accept(referencedClass, memberVisitor);
    }
  }

  // Implementations for RefConstant.

  @Override
  public void referencedMemberAccept(MemberVisitor memberVisitor) {
    if (referencedMethod != null) {
      referencedMethod.accept(referencedClass, memberVisitor);
    }
  }
}