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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.*;
     25 
     26 /**
     27  * This Attribute represents a local variable table attribute.
     28  *
     29  * @author Eric Lafortune
     30  */
     31 public class LocalVariableTableAttribute extends Attribute
     32 {
     33     public int                 u2localVariableTableLength;
     34     public LocalVariableInfo[] localVariableTable;
     35 
     36 
     37     /**
     38      * Creates an uninitialized LocalVariableTableAttribute.
     39      */
     40     public LocalVariableTableAttribute()
     41     {
     42     }
     43 
     44 
     45     /**
     46      * Creates an initialized LocalVariableTableAttribute.
     47      */
     48     public LocalVariableTableAttribute(int                 u2attributeNameIndex,
     49                                        int                 u2localVariableTableLength,
     50                                        LocalVariableInfo[] localVariableTable)
     51     {
     52         super(u2attributeNameIndex);
     53 
     54         this.u2localVariableTableLength = u2localVariableTableLength;
     55         this.localVariableTable         = localVariableTable;
     56     }
     57 
     58 
     59     // Implementations for Attribute.
     60 
     61     public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor)
     62     {
     63         attributeVisitor.visitLocalVariableTableAttribute(clazz, method, codeAttribute, this);
     64     }
     65 
     66 
     67     /**
     68      * Applies the given visitor to all local variables.
     69      */
     70     public void localVariablesAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfoVisitor localVariableInfoVisitor)
     71     {
     72         for (int index = 0; index < u2localVariableTableLength; index++)
     73         {
     74             // We don't need double dispatching here, since there is only one
     75             // type of LocalVariableInfo.
     76             localVariableInfoVisitor.visitLocalVariableInfo(clazz, method, codeAttribute, localVariableTable[index]);
     77         }
     78     }
     79 }
     80