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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.visitor;

import proguard.classfile.*;

/**
 * This interface specifies the methods for a visitor of method parameters or field types (which can
 * be considered parameters when storing values). The parameters do not include or count the 'this'
 * parameter or the method return value.
 *
 * @author Eric Lafortune
 */
public interface ParameterVisitor {
  /**
   * Visits the given parameter.
   *
   * @param clazz the class of the method.
   * @param member the field or method of the parameter.
   * @param parameterIndex the index of the parameter.
   * @param parameterCount the total number of parameters.
   * @param parameterOffset the offset of the parameter, accounting for longs and doubles taking up
   *     two entries.
   * @param parameterSize the total size of the parameters, accounting for longs and doubles taking
   *     up two entries.
   * @param parameterType the parameter type.
   * @param referencedClass the class contained in the parameter type, if any.
   */
  public void visitParameter(
      Clazz clazz,
      Member member,
      int parameterIndex,
      int parameterCount,
      int parameterOffset,
      int parameterSize,
      String parameterType,
      Clazz referencedClass);
}