1 /* 2 * Copyright (C) 2007 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.cf.attrib; 18 19 import com.android.dx.cf.code.LineNumberList; 20 import com.android.dx.util.MutabilityException; 21 22 /** 23 * Attribute class for standard {@code LineNumberTable} attributes. 24 */ 25 public final class AttLineNumberTable extends BaseAttribute { 26 /** {@code non-null;} attribute name for attributes of this type */ 27 public static final String ATTRIBUTE_NAME = "LineNumberTable"; 28 29 /** {@code non-null;} list of line number entries */ 30 private final LineNumberList lineNumbers; 31 32 /** 33 * Constructs an instance. 34 * 35 * @param lineNumbers {@code non-null;} list of line number entries 36 */ 37 public AttLineNumberTable(LineNumberList lineNumbers) { 38 super(ATTRIBUTE_NAME); 39 40 try { 41 if (lineNumbers.isMutable()) { 42 throw new MutabilityException("lineNumbers.isMutable()"); 43 } 44 } catch (NullPointerException ex) { 45 // Translate the exception. 46 throw new NullPointerException("lineNumbers == null"); 47 } 48 49 this.lineNumbers = lineNumbers; 50 } 51 52 /** {@inheritDoc} */ 53 public int byteLength() { 54 return 8 + 4 * lineNumbers.size(); 55 } 56 57 /** 58 * Gets the list of "line number" entries associated with this instance. 59 * 60 * @return {@code non-null;} the list 61 */ 62 public LineNumberList getLineNumbers() { 63 return lineNumbers; 64 } 65 } 66
