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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.editor;
     22 
     23 import proguard.classfile.attribute.*;
     24 import proguard.util.ArrayUtil;
     25 
     26 /**
     27  * This class can add local variables to a given local variable type table
     28  * attribute.
     29  * Local variable types to be added must have been filled out beforehand.
     30  *
     31  * @author Eric Lafortune
     32  */
     33 public class LocalVariableTypeTableAttributeEditor
     34 {
     35     private final LocalVariableTypeTableAttribute targetLocalVariableTypeTableAttribute;
     36 
     37 
     38     /**
     39      * Creates a new LocalVariableTypeTableAttributeEditor that will edit local
     40      * variable types in the given local variable type table attribute.
     41      */
     42     public LocalVariableTypeTableAttributeEditor(LocalVariableTypeTableAttribute targetLocalVariableTypeTableAttribute)
     43     {
     44         this.targetLocalVariableTypeTableAttribute = targetLocalVariableTypeTableAttribute;
     45     }
     46 
     47 
     48     /**
     49      * Adds a given local variable type to the local variable type table attribute.
     50      */
     51     public void addLocalVariableTypeInfo(LocalVariableTypeInfo localVariableTypeInfo)
     52     {
     53         targetLocalVariableTypeTableAttribute.localVariableTypeTable =
     54             (LocalVariableTypeInfo[])ArrayUtil.add(targetLocalVariableTypeTableAttribute.localVariableTypeTable,
     55                                                    targetLocalVariableTypeTableAttribute.u2localVariableTypeTableLength++,
     56                                                    localVariableTypeInfo);
     57     }
     58 }