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/*
 * 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;

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

/**
 * Representation of a parameter, as defined in a method parameters attribute.
 *
 * @author Eric Lafortune
 */
public class ParameterInfo extends SimpleProcessable {
  public int u2nameIndex;
  public int u2accessFlags;

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

  /** Creates an initialized ParameterInfo. */
  public ParameterInfo(int u2nameIndex, int u2accessFlags) {
    this.u2nameIndex = u2nameIndex;
    this.u2accessFlags = u2accessFlags;
  }

  /** Returns the parameter name. */
  public String getName(Clazz clazz) {
    return clazz.getString(u2nameIndex);
  }

  /**
   * Applies the given constant pool visitor to the Utf8 constant that represents the name of the
   * parameter, if any.
   */
  public void nameConstantAccept(Clazz clazz, ConstantVisitor constantVisitor) {
    if (u2nameIndex != 0) {
      clazz.constantPoolEntryAccept(u2nameIndex, constantVisitor);
    }
  }
}




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