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      1 /*
      2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
      3  *             of Java bytecode.
      4  *
      5  * Copyright (c) 2002-2009 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;
     22 
     23 import proguard.classfile.attribute.visitor.AttributeVisitor;
     24 import proguard.classfile.attribute.Attribute;
     25 import proguard.classfile.visitor.*;
     26 
     27 /**
     28  * Representation of a method from a program class.
     29  *
     30  * @author Eric Lafortune
     31  */
     32 public class ProgramMethod extends ProgramMember implements Method
     33 {
     34     /**
     35      * An extra field pointing to the Clazz objects referenced in the
     36      * descriptor string. This field is filled out by the <code>{@link
     37      * proguard.classfile.util.ClassReferenceInitializer ClassReferenceInitializer}</code>.
     38      * References to primitive types are ignored.
     39      */
     40     public Clazz[] referencedClasses;
     41 
     42 
     43     /**
     44      * Creates an uninitialized ProgramMethod.
     45      */
     46     public ProgramMethod()
     47     {
     48     }
     49 
     50 
     51     /**
     52      * Creates an initialized ProgramMethod.
     53      */
     54     public ProgramMethod(int         u2accessFlags,
     55                          int         u2nameIndex,
     56                          int         u2descriptorIndex,
     57                          int         u2attributesCount,
     58                          Attribute[] attributes,
     59                          Clazz[]     referencedClasses)
     60     {
     61         super(u2accessFlags, u2nameIndex, u2descriptorIndex, u2attributesCount, attributes);
     62 
     63         this.referencedClasses = referencedClasses;
     64     }
     65 
     66 
     67     // Implementations for ProgramMember.
     68 
     69     public void accept(ProgramClass programClass, MemberVisitor memberVisitor)
     70     {
     71         memberVisitor.visitProgramMethod(programClass, this);
     72     }
     73 
     74 
     75     public void attributesAccept(ProgramClass programClass, AttributeVisitor attributeVisitor)
     76     {
     77         for (int index = 0; index < u2attributesCount; index++)
     78         {
     79             attributes[index].accept(programClass, this, attributeVisitor);
     80         }
     81     }
     82 
     83 
     84     // Implementations for Member.
     85 
     86     public void referencedClassesAccept(ClassVisitor classVisitor)
     87     {
     88         if (referencedClasses != null)
     89         {
     90             for (int index = 0; index < referencedClasses.length; index++)
     91             {
     92                 if (referencedClasses[index] != null)
     93                 {
     94                     referencedClasses[index].accept(classVisitor);
     95                 }
     96             }
     97         }
     98     }
     99 }
    100