src/main/java/com/android/tools/r8/dex/Segment.java

// Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.dex;

public class Segment {

  final int type;
  final int size;
  public final int offset;
  int end;

  public Segment(int type, int unused, int size, int offset) {
    this.type = type;
    assert unused == 0;
    this.size = size;
    this.offset = offset;
    this.end = -1;
  }

  public int getType() {
    return type;
  }

  public int getSize() {
    return size;
  }

  void setEnd(int end) {
    this.end = end;
  }

  public String typeName() {
    switch (type) {
      case Constants.TYPE_HEADER_ITEM:
        return "Header";
      case Constants.TYPE_STRING_ID_ITEM:
        return "Strings";
      case Constants.TYPE_TYPE_ID_ITEM:
        return "Types";
      case Constants.TYPE_PROTO_ID_ITEM:
        return "Protos";
      case Constants.TYPE_FIELD_ID_ITEM:
        return "Fields";
      case Constants.TYPE_METHOD_ID_ITEM:
        return "Methods";
      case Constants.TYPE_CLASS_DEF_ITEM:
        return "Class defs";
      case Constants.TYPE_MAP_LIST:
        return "Maps";
      case Constants.TYPE_TYPE_LIST:
        return "Type lists";
      case Constants.TYPE_ANNOTATION_SET_REF_LIST:
        return "Annotation set refs";
      case Constants.TYPE_ANNOTATION_SET_ITEM:
        return "Annotation sets";
      case Constants.TYPE_CLASS_DATA_ITEM:
        return "Class data";
      case Constants.TYPE_CODE_ITEM:
        return "Code";
      case Constants.TYPE_STRING_DATA_ITEM:
        return "String data";
      case Constants.TYPE_DEBUG_INFO_ITEM:
        return "Debug info";
      case Constants.TYPE_ANNOTATION_ITEM:
        return "Annotation";
      case Constants.TYPE_ENCODED_ARRAY_ITEM:
        return "Encoded arrays";
      case Constants.TYPE_ANNOTATIONS_DIRECTORY_ITEM:
        return "Annotations directory";
      default:
        return "Unknown";
    }
  }

  public String toString() {
    return typeName() + " @" + offset + " " + size;
  }
}