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 32package org.jf.smalidea.psi.impl; 33 34import org.jetbrains.annotations.NotNull; 35import org.jf.smalidea.psi.SmaliCompositeElementFactory; 36import org.jf.smalidea.psi.SmaliElementTypes; 37 38public class SmaliRegisterReference extends SmaliCompositeElement { 39 public static final SmaliCompositeElementFactory FACTORY = new SmaliCompositeElementFactory() { 40 @Override public SmaliCompositeElement createElement() { 41 return new SmaliRegisterReference(); 42 } 43 }; 44 45 public SmaliRegisterReference() { 46 super(SmaliElementTypes.REGISTER_REFERENCE); 47 } 48 49 @NotNull 50 public SmaliMethod getParentMethod() { 51 SmaliMethod parentMethod = findAncestorByClass(SmaliMethod.class); 52 assert parentMethod != null; 53 return parentMethod; 54 } 55 56 public int getRegisterNumber() { 57 int registerNumber = Integer.parseInt(getText().substring(1)); 58 59 if (isParameterRegister()) { 60 SmaliMethod method = getParentMethod(); 61 registerNumber += method.getRegisterCount() - method.getParameterRegisterCount(); 62 } 63 64 return registerNumber; 65 } 66 67 public boolean isParameterRegister() { 68 return getText().charAt(0) == 'p'; 69 } 70} 71