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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.attribute.module;

import proguard.classfile.*;
import proguard.classfile.constant.visitor.ConstantVisitor;
import proguard.util.SimpleProcessable;

/**
 * Representation of a Opens entry in a {@link Module} attribute.
 *
 * @author Joachim Vandersmissen
 */
public class OpensInfo extends SimpleProcessable {
  public int u2opensIndex;
  public int u2opensFlags;
  public int u2opensToCount;
  public int[] u2opensToIndex;

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

  /** Creates an initialized OpensInfo. */
  public OpensInfo(int u2opensIndex, int u2opensFlags, int u2opensToCount, int[] u2opensToIndex) {
    this.u2opensIndex = u2opensIndex;
    this.u2opensFlags = u2opensFlags;
    this.u2opensToCount = u2opensToCount;
    this.u2opensToIndex = u2opensToIndex;
  }

  /** Applies the given constant pool visitor to the package constant of the package, if any. */
  public void packageAccept(Clazz clazz, ConstantVisitor constantVisitor) {
    if (u2opensIndex != 0) {
      clazz.constantPoolEntryAccept(u2opensIndex, constantVisitor);
    }
  }

  /** Applies the given constant pool visitor to all targets. */
  public void targetsAccept(Clazz clazz, ConstantVisitor constantVisitor) {
    // Loop over all targets.
    for (int index = 0; index < u2opensToCount; index++) {
      clazz.constantPoolEntryAccept(u2opensToIndex[index], constantVisitor);
    }
  }
}