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      1 /*
      2  * [The "BSD licence"]
      3  * Copyright (c) 2011 Ben Gruver
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 package org.jf.baksmali.Adaptors;
     30 
     31 import org.jf.dexlib2.ReferenceType;
     32 import org.jf.dexlib2.util.SyntheticAccessorResolver;
     33 import org.jf.util.ExceptionWithContext;
     34 import org.jf.util.IndentingWriter;
     35 
     36 import java.io.IOException;
     37 
     38 public class SyntheticAccessCommentMethodItem extends MethodItem {
     39     private final SyntheticAccessorResolver.AccessedMember accessedMember;
     40 
     41     public SyntheticAccessCommentMethodItem(SyntheticAccessorResolver.AccessedMember accessedMember, int codeAddress) {
     42         super(codeAddress);
     43         this.accessedMember = accessedMember;
     44     }
     45 
     46     public double getSortOrder() {
     47         //just before the pre-instruction register information, if any
     48         return 99.8;
     49     }
     50 
     51     public boolean writeTo(IndentingWriter writer) throws IOException {
     52         writer.write("# ");
     53         switch (accessedMember.accessedMemberType) {
     54             case SyntheticAccessorResolver.METHOD:
     55                 writer.write("invokes: ");
     56                 break;
     57             case SyntheticAccessorResolver.GETTER:
     58                 writer.write("getter for: ");
     59                 break;
     60             case SyntheticAccessorResolver.SETTER:
     61                 writer.write("setter for: ");
     62                 break;
     63             case SyntheticAccessorResolver.PREFIX_INCREMENT:
     64                 writer.write("++operator for: ");
     65                 break;
     66             case SyntheticAccessorResolver.POSTFIX_INCREMENT:
     67                 writer.write("operator++ for: ");
     68                 break;
     69             case SyntheticAccessorResolver.PREFIX_DECREMENT:
     70                 writer.write("--operator for: ");
     71                 break;
     72             case SyntheticAccessorResolver.POSTFIX_DECREMENT:
     73                 writer.write("operator-- for: ");
     74                 break;
     75             case SyntheticAccessorResolver.ADD_ASSIGNMENT:
     76                 writer.write("+= operator for: ");
     77                 break;
     78             case SyntheticAccessorResolver.SUB_ASSIGNMENT:
     79                 writer.write("-= operator for: ");
     80                 break;
     81             case SyntheticAccessorResolver.MUL_ASSIGNMENT:
     82                 writer.write("*= operator for: ");
     83                 break;
     84             case SyntheticAccessorResolver.DIV_ASSIGNMENT:
     85                 writer.write("/= operator for: ");
     86                 break;
     87             case SyntheticAccessorResolver.REM_ASSIGNMENT:
     88                 writer.write("%= operator for: ");
     89                 break;
     90             case SyntheticAccessorResolver.AND_ASSIGNMENT:
     91                 writer.write("&= operator for: ");
     92                 break;
     93             case SyntheticAccessorResolver.OR_ASSIGNMENT:
     94                 writer.write("|= operator for: ");
     95                 break;
     96             case SyntheticAccessorResolver.XOR_ASSIGNMENT:
     97                 writer.write("^= operator for: ");
     98                 break;
     99             case SyntheticAccessorResolver.SHL_ASSIGNMENT:
    100                 writer.write("<<= operator for: ");
    101                 break;
    102             case SyntheticAccessorResolver.SHR_ASSIGNMENT:
    103                 writer.write(">>= operator for: ");
    104                 break;
    105             case SyntheticAccessorResolver.USHR_ASSIGNMENT:
    106                 writer.write(">>>= operator for: ");
    107                 break;
    108             default:
    109                 throw new ExceptionWithContext("Unknown access type: %d", accessedMember.accessedMemberType);
    110         }
    111 
    112         int referenceType;
    113         if (accessedMember.accessedMemberType == SyntheticAccessorResolver.METHOD) {
    114             referenceType = ReferenceType.METHOD;
    115         } else {
    116             referenceType = ReferenceType.FIELD;
    117         }
    118         ReferenceFormatter.writeReference(writer, referenceType, accessedMember.accessedMember);
    119         return true;
    120     }
    121 }
    122