proguard.classfile.ProgramMember 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;

import proguard.classfile.attribute.Attribute;
import proguard.classfile.attribute.visitor.AttributeVisitor;
import proguard.classfile.visitor.MemberVisitor;
import proguard.util.SimpleProcessable;

/**
 * Base representation of a field or method from a {@link ProgramClass}.
 *
 * @author Eric Lafortune
 */
public abstract class ProgramMember extends SimpleProcessable implements Member {
  public int u2accessFlags;
  public int u2nameIndex;
  public int u2descriptorIndex;
  public int u2attributesCount;
  public Attribute[] attributes;

  /** Creates an uninitialized ProgramMember. */
  protected ProgramMember() {}

  /** Creates an initialized ProgramMember. */
  protected ProgramMember(
      int u2accessFlags,
      int u2nameIndex,
      int u2descriptorIndex,
      int u2attributesCount,
      Attribute[] attributes) {
    this(u2accessFlags, u2nameIndex, u2descriptorIndex, u2attributesCount, attributes, 0, null);
  }

  /** Creates an initialized ProgramMember. */
  protected ProgramMember(
      int u2accessFlags,
      int u2nameIndex,
      int u2descriptorIndex,
      int u2attributesCount,
      Attribute[] attributes,
      int processingFlags,
      Object processingInfo) {
    super(processingFlags, processingInfo);

    this.u2accessFlags = u2accessFlags;
    this.u2nameIndex = u2nameIndex;
    this.u2descriptorIndex = u2descriptorIndex;
    this.u2attributesCount = u2attributesCount;
    this.attributes = attributes;
  }

  /** Accepts the given member info visitor. */
  public abstract void accept(ProgramClass programClass, MemberVisitor memberVisitor);

  /** Lets the given attribute info visitor visit all the attributes of this member info. */
  public abstract void attributesAccept(
      ProgramClass programClass, AttributeVisitor attributeVisitor);

  // Implementations for Member.

  @Override
  public int getAccessFlags() {
    return u2accessFlags;
  }

  @Override
  public String getName(Clazz clazz) {
    return clazz.getString(u2nameIndex);
  }

  @Override
  public String getDescriptor(Clazz clazz) {
    return clazz.getString(u2descriptorIndex);
  }

  @Override
  public void accept(Clazz clazz, MemberVisitor memberVisitor) {
    accept((ProgramClass) clazz, memberVisitor);
  }
}