1/* 2 * Copyright 2015, 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 32package org.jf.smalidea.dexlib; 33 34import org.jf.dexlib2.base.BaseTryBlock; 35import org.jf.smalidea.psi.impl.SmaliCatchStatement; 36 37import javax.annotation.Nonnull; 38import java.util.Arrays; 39import java.util.List; 40 41public class SmalideaTryBlock extends BaseTryBlock<SmalideaExceptionHandler> { 42 @Nonnull private final SmaliCatchStatement catchStatement; 43 44 public SmalideaTryBlock(@Nonnull SmaliCatchStatement catchStatement) { 45 this.catchStatement = catchStatement; 46 } 47 48 @Override public int getCodeUnitCount() { 49 int endOffset = catchStatement.getEndLabel().resolve().getOffset() / 2; 50 return endOffset - getStartCodeAddress(); 51 } 52 53 @Override public int getStartCodeAddress() { 54 // TODO: how to handle references to non-existent labels? 55 return catchStatement.getStartLabel().resolve().getOffset() / 2; 56 } 57 58 @Nonnull @Override public List<? extends SmalideaExceptionHandler> getExceptionHandlers() { 59 return Arrays.asList(new SmalideaExceptionHandler(catchStatement)); 60 } 61} 62