content: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * 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 com.taobao.atlas.dexmerge.dx.io.instructions;
  
  import java.io.EOFException;
  
  /**
   * Input stream of code units, for reading in Dalvik bytecode.
   */
  public interface CodeInput extends CodeCursor {
      /**
       * Returns whether there are any more code units to read. This
       * is analogous to {@code hasNext()} on an interator.
       */
      public boolean hasMore();
  
      /**
       * Reads a code unit.
       */
      public int read() throws EOFException;
  
      /**
       * Reads two code units, treating them as a little-endian {@code int}.
       */
      public int readInt() throws EOFException;
  
      /**
       * Reads four code units, treating them as a little-endian {@code long}.
       */
      public long readLong() throws EOFException;
  }
  