memberoptimizationinfosetter.java

ProGuard 是一个免费的 Java类文件的压缩

/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification
 *             of Java bytecode.
 *
 * Copyright (c) 2002-2007 Eric Lafortune ([e-mail])
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.optimize.info;

import proguard.classfile.*;
import proguard.classfile.util.SimplifiedVisitor;
import proguard.classfile.visitor.*;
import proguard.optimize.KeepMarker;

/**
 * This MemberVisitor attaches a FieldOptimizationInfo instance to every field
 * and a MethodOptimizationInfo instance to every method that is not being kept
 * that it visits.
 *
 * @author Eric Lafortune
 */
public class MemberOptimizationInfoSetter
extends      SimplifiedVisitor
implements   MemberVisitor
{
    // Implementations for MemberVisitor.

    public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
    {
        if (!KeepMarker.isKept(programMethod))
        {
            MethodOptimizationInfo.setMethodOptimizationInfo(programClass,
                                                             programMethod);
        }
    }


    public void visitProgramField(ProgramClass programClass, ProgramField programField)
    {
        if (!KeepMarker.isKept(programField))
        {
            FieldOptimizationInfo.setFieldOptimizationInfo(programClass,
                                                           programField);
        }
    }
}