1 /* 2 * Copyright 2014, 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.smalidea.psi.impl; 33 34 import org.jetbrains.annotations.Nullable; 35 import org.jf.smalidea.psi.SmaliCompositeElementFactory; 36 import org.jf.smalidea.psi.SmaliElementTypes; 37 38 public class SmaliLabel extends SmaliCompositeElement { 39 public static final SmaliCompositeElementFactory FACTORY = new SmaliCompositeElementFactory() { 40 @Override public SmaliCompositeElement createElement() { 41 return new SmaliLabel(); 42 } 43 }; 44 45 public SmaliLabel() { 46 super(SmaliElementTypes.LABEL); 47 } 48 49 @Override public String getName() { 50 return getText().substring(1); 51 } 52 53 @Nullable 54 public SmaliInstruction getInstruction() { 55 return findNextSiblingByClass(SmaliInstruction.class); 56 } 57 58 @Nullable 59 private SmaliInstruction getPreviousInstruction() { 60 return findPrevSiblingByClass(SmaliInstruction.class); 61 } 62 63 public int getOffset() { 64 SmaliInstruction instruction = getInstruction(); 65 if (instruction == null) { 66 instruction = getPreviousInstruction(); 67 if (instruction == null) { 68 return 0; 69 } 70 // TODO: handle variable size instructions 71 return instruction.getOffset() + instruction.getOpcode().format.size; 72 } 73 return instruction.getOffset(); 74 } 75 } 76
