1 /* 2 * Copyright 2013, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.dexlib2.builder; 33 34 import org.jf.dexlib2.builder.debug.*; 35 import org.jf.dexlib2.iface.instruction.Instruction; 36 import org.jf.dexlib2.iface.reference.StringReference; 37 import org.jf.dexlib2.iface.reference.TypeReference; 38 39 import javax.annotation.Nonnull; 40 import javax.annotation.Nullable; 41 import java.util.*; 42 43 public class MethodLocation { 44 @Nullable BuilderInstruction instruction; 45 int codeAddress; 46 int index; 47 48 private final LocatedItems<Label> labels; 49 private final LocatedItems<BuilderDebugItem> debugItems; 50 MethodLocation(@ullable BuilderInstruction instruction, int codeAddress, int index)51 MethodLocation(@Nullable BuilderInstruction instruction, int codeAddress, int index) { 52 this.debugItems = new LocatedDebugItems(); 53 this.labels = new LocatedLabels(); 54 this.instruction = instruction; 55 this.codeAddress = codeAddress; 56 this.index = index; 57 } 58 59 @Nullable getInstruction()60 public Instruction getInstruction() { 61 return instruction; 62 } 63 getCodeAddress()64 public int getCodeAddress() { 65 return codeAddress; 66 } 67 getIndex()68 public int getIndex() { 69 return index; 70 } 71 mergeInto(@onnull MethodLocation nextLocation)72 void mergeInto(@Nonnull MethodLocation nextLocation) { 73 labels.mergeItemsIntoNext(nextLocation, nextLocation.labels); 74 debugItems.mergeItemsIntoNext(nextLocation, nextLocation.debugItems); 75 } 76 77 @Nonnull getLabels()78 public Set<Label> getLabels() { 79 return labels.getModifiableItems(MethodLocation.this); 80 } 81 82 @Nonnull addNewLabel()83 public Label addNewLabel() { 84 Label newLabel = new Label(); 85 getLabels().add(newLabel); 86 return newLabel; 87 } 88 89 @Nonnull getDebugItems()90 public Set<BuilderDebugItem> getDebugItems() { 91 return debugItems.getModifiableItems(MethodLocation.this); 92 } 93 addLineNumber(int lineNumber)94 public void addLineNumber(int lineNumber) { 95 getDebugItems().add(new BuilderLineNumber(lineNumber)); 96 } 97 addStartLocal(int registerNumber, @Nullable StringReference name, @Nullable TypeReference type, @Nullable StringReference signature)98 public void addStartLocal(int registerNumber, @Nullable StringReference name, @Nullable TypeReference type, 99 @Nullable StringReference signature) { 100 getDebugItems().add(new BuilderStartLocal(registerNumber, name, type, signature)); 101 } 102 addEndLocal(int registerNumber)103 public void addEndLocal(int registerNumber) { 104 getDebugItems().add(new BuilderEndLocal(registerNumber)); 105 } 106 addRestartLocal(int registerNumber)107 public void addRestartLocal(int registerNumber) { 108 getDebugItems().add(new BuilderRestartLocal(registerNumber)); 109 } 110 addPrologue()111 public void addPrologue() { 112 getDebugItems().add(new BuilderPrologueEnd()); 113 } 114 addEpilogue()115 public void addEpilogue() { 116 getDebugItems().add(new BuilderEpilogueBegin()); 117 } 118 addSetSourceFile(@ullable StringReference sourceFile)119 public void addSetSourceFile(@Nullable StringReference sourceFile) { 120 getDebugItems().add(new BuilderSetSourceFile(sourceFile)); 121 } 122 } 123