1 /* 2 * Copyright 2013, Google LLC 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google LLC nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 package com.android.tools.smali.dexlib2.builder; 32 33 import com.android.tools.smali.dexlib2.builder.debug.BuilderEndLocal; 34 import com.android.tools.smali.dexlib2.builder.debug.BuilderEpilogueBegin; 35 import com.android.tools.smali.dexlib2.builder.debug.BuilderLineNumber; 36 import com.android.tools.smali.dexlib2.builder.debug.BuilderPrologueEnd; 37 import com.android.tools.smali.dexlib2.builder.debug.BuilderRestartLocal; 38 import com.android.tools.smali.dexlib2.builder.debug.BuilderSetSourceFile; 39 import com.android.tools.smali.dexlib2.builder.debug.BuilderStartLocal; 40 import com.android.tools.smali.dexlib2.iface.instruction.Instruction; 41 import com.android.tools.smali.dexlib2.iface.reference.StringReference; 42 import com.android.tools.smali.dexlib2.iface.reference.TypeReference; 43 44 import java.util.Set; 45 import javax.annotation.Nonnull; 46 import javax.annotation.Nullable; 47 48 public class MethodLocation { 49 @Nullable BuilderInstruction instruction; 50 int codeAddress; 51 int index; 52 53 private final LocatedItems<Label> labels; 54 private final LocatedItems<BuilderDebugItem> debugItems; 55 MethodLocation(@ullable BuilderInstruction instruction, int codeAddress, int index)56 MethodLocation(@Nullable BuilderInstruction instruction, int codeAddress, int index) { 57 this.debugItems = new LocatedDebugItems(); 58 this.labels = new LocatedLabels(); 59 this.instruction = instruction; 60 this.codeAddress = codeAddress; 61 this.index = index; 62 } 63 64 @Nullable getInstruction()65 public Instruction getInstruction() { 66 return instruction; 67 } 68 getCodeAddress()69 public int getCodeAddress() { 70 return codeAddress; 71 } 72 getIndex()73 public int getIndex() { 74 return index; 75 } 76 mergeInto(@onnull MethodLocation nextLocation)77 void mergeInto(@Nonnull MethodLocation nextLocation) { 78 labels.mergeItemsIntoNext(nextLocation, nextLocation.labels); 79 debugItems.mergeItemsIntoNext(nextLocation, nextLocation.debugItems); 80 } 81 82 @Nonnull getLabels()83 public Set<Label> getLabels() { 84 return labels.getModifiableItems(MethodLocation.this); 85 } 86 87 @Nonnull addNewLabel()88 public Label addNewLabel() { 89 Label newLabel = new Label(); 90 getLabels().add(newLabel); 91 return newLabel; 92 } 93 94 @Nonnull getDebugItems()95 public Set<BuilderDebugItem> getDebugItems() { 96 return debugItems.getModifiableItems(MethodLocation.this); 97 } 98 addLineNumber(int lineNumber)99 public void addLineNumber(int lineNumber) { 100 getDebugItems().add(new BuilderLineNumber(lineNumber)); 101 } 102 addStartLocal(int registerNumber, @Nullable StringReference name, @Nullable TypeReference type, @Nullable StringReference signature)103 public void addStartLocal(int registerNumber, @Nullable StringReference name, @Nullable TypeReference type, 104 @Nullable StringReference signature) { 105 getDebugItems().add(new BuilderStartLocal(registerNumber, name, type, signature)); 106 } 107 addEndLocal(int registerNumber)108 public void addEndLocal(int registerNumber) { 109 getDebugItems().add(new BuilderEndLocal(registerNumber)); 110 } 111 addRestartLocal(int registerNumber)112 public void addRestartLocal(int registerNumber) { 113 getDebugItems().add(new BuilderRestartLocal(registerNumber)); 114 } 115 addPrologue()116 public void addPrologue() { 117 getDebugItems().add(new BuilderPrologueEnd()); 118 } 119 addEpilogue()120 public void addEpilogue() { 121 getDebugItems().add(new BuilderEpilogueBegin()); 122 } 123 addSetSourceFile(@ullable StringReference sourceFile)124 public void addSetSourceFile(@Nullable StringReference sourceFile) { 125 getDebugItems().add(new BuilderSetSourceFile(sourceFile)); 126 } 127 } 128