1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dx.io.instructions; 18 19 import java.io.EOFException; 20 21 /** 22 * Input stream of code units, for reading in Dalvik bytecode. 23 */ 24 public interface CodeInput extends CodeCursor { 25 /** 26 * Returns whether there are any more code units to read. This 27 * is analogous to {@code hasNext()} on an interator. 28 */ 29 public boolean hasMore(); 30 31 /** 32 * Reads a code unit. 33 */ 34 public int read() throws EOFException; 35 36 /** 37 * Reads two code units, treating them as a little-endian {@code int}. 38 */ 39 public int readInt() throws EOFException; 40 41 /** 42 * Reads four code units, treating them as a little-endian {@code long}. 43 */ 44 public long readLong() throws EOFException; 45 } 46
