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 com.google.common.collect.ImmutableList; 35 import org.jf.dexlib2.base.BaseTryBlock; 36 import org.jf.dexlib2.iface.reference.TypeReference; 37 38 import javax.annotation.Nonnull; 39 import javax.annotation.Nullable; 40 import java.util.List; 41 42 public class BuilderTryBlock extends BaseTryBlock<BuilderExceptionHandler> { 43 // We only ever have one exception handler per try block. They are later merged as needed in TryListBuilder 44 @Nonnull public final BuilderExceptionHandler exceptionHandler; 45 @Nonnull public final Label start; 46 // The end location is exclusive, it should point to the codeAddress of the instruction immediately after the last 47 // covered instruction. 48 @Nonnull public final Label end; 49 50 public BuilderTryBlock(@Nonnull Label start, @Nonnull Label end, @Nullable String exceptionType, 51 @Nonnull Label handler) { 52 this.start = start; 53 this.end = end; 54 this.exceptionHandler = BuilderExceptionHandler.newExceptionHandler(exceptionType, handler); 55 } 56 57 public BuilderTryBlock(@Nonnull Label start, @Nonnull Label end, @Nullable TypeReference exceptionType, 58 @Nonnull Label handler) { 59 this.start = start; 60 this.end = end; 61 this.exceptionHandler = BuilderExceptionHandler.newExceptionHandler(exceptionType, handler); 62 } 63 64 public BuilderTryBlock(@Nonnull Label start, @Nonnull Label end, @Nonnull Label handler) { 65 this.start = start; 66 this.end = end; 67 this.exceptionHandler = BuilderExceptionHandler.newExceptionHandler(handler); 68 } 69 70 @Override public int getStartCodeAddress() { 71 return start.getCodeAddress(); 72 } 73 74 @Override public int getCodeUnitCount() { 75 return end.getCodeAddress() - start.getCodeAddress(); 76 } 77 78 @Nonnull @Override public List<? extends BuilderExceptionHandler> getExceptionHandlers() { 79 return ImmutableList.of(exceptionHandler); 80 } 81 } 82
