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      1 /*
      2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
      3  *             of Java bytecode.
      4  *
      5  * Copyright (c) 2002-2014 Eric Lafortune (eric (at) graphics.cornell.edu)
      6  *
      7  * This program is free software; you can redistribute it and/or modify it
      8  * under the terms of the GNU General Public License as published by the Free
      9  * Software Foundation; either version 2 of the License, or (at your option)
     10  * any later version.
     11  *
     12  * This program is distributed in the hope that it will be useful, but WITHOUT
     13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
     15  * more details.
     16  *
     17  * You should have received a copy of the GNU General Public License along
     18  * with this program; if not, write to the Free Software Foundation, Inc.,
     19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
     20  */
     21 package proguard.classfile.attribute;
     22 
     23 import proguard.classfile.*;
     24 import proguard.classfile.attribute.visitor.AttributeVisitor;
     25 import proguard.classfile.constant.visitor.ConstantVisitor;
     26 
     27 /**
     28  * This Attribute represents an exceptions attribute.
     29  *
     30  * @author Eric Lafortune
     31  */
     32 public class ExceptionsAttribute extends Attribute
     33 {
     34     public int   u2exceptionIndexTableLength;
     35     public int[] u2exceptionIndexTable;
     36 
     37 
     38     /**
     39      * Creates an uninitialized ExceptionsAttribute.
     40      */
     41     public ExceptionsAttribute()
     42     {
     43     }
     44 
     45 
     46     /**
     47      * Creates an initialized ExceptionsAttribute.
     48      */
     49     public ExceptionsAttribute(int   u2attributeNameIndex,
     50                                int   u2exceptionIndexTableLength,
     51                                int[] u2exceptionIndexTable)
     52     {
     53         super(u2attributeNameIndex);
     54 
     55         this.u2exceptionIndexTableLength = u2exceptionIndexTableLength;
     56         this.u2exceptionIndexTable       = u2exceptionIndexTable;
     57     }
     58 
     59 
     60     // Implementations for Attribute.
     61 
     62     public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
     63     {
     64         attributeVisitor.visitExceptionsAttribute(clazz, method, this);
     65     }
     66 
     67 
     68     /**
     69      * Applies the given constant pool visitor to all exception class pool info
     70      * entries.
     71      */
     72     public void exceptionEntriesAccept(Clazz clazz, ConstantVisitor constantVisitor)
     73     {
     74         for (int index = 0; index < u2exceptionIndexTableLength; index++)
     75         {
     76             clazz.constantPoolEntryAccept(u2exceptionIndexTable[index],
     77                                           constantVisitor);
     78         }
     79     }
     80 }
     81