/* * ProGuard -- shrinking, optimization, obfuscation, and preverification * of Java bytecode. * * Copyright (c) 2002-2010 Eric Lafortune (eric@graphics.cornell.edu) * * 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.classfile.attribute; import proguard.classfile.Clazz; import proguard.classfile.visitor.ClassVisitor; /** * Representation of an Local Variable table entry. * * @author Eric Lafortune */ public class LocalVariableInfo implements Comparable { public int u2startPC; public int u2length; public int u2nameIndex; public int u2descriptorIndex; public int u2index; /** * An extra field pointing to the referenced Clazz object. * This field is typically filled out by the <code>{@link * proguard.classfile.util.ClassReferenceInitializer * ClassReferenceInitializer}</code>. */ public Clazz referencedClass; /** * Creates an uninitialized LocalVariableInfo. */ public LocalVariableInfo() { } /** * Creates an initialized LocalVariableInfo. */ public LocalVariableInfo(int u2startPC, int u2length, int u2nameIndex, int u2descriptorIndex, int u2index) { this.u2startPC = u2startPC; this.u2length = u2length; this.u2nameIndex = u2nameIndex; this.u2descriptorIndex = u2descriptorIndex; this.u2index = u2index; } /** * Lets the referenced class accept the given visitor. */ public void referencedClassAccept(ClassVisitor classVisitor) { if (referencedClass != null) { referencedClass.accept(classVisitor); } } // Implementations for Comparable. public int compareTo(Object object) { LocalVariableInfo other = (LocalVariableInfo)object; return this.u2startPC < other.u2startPC ? -1 : this.u2startPC > other.u2startPC ? 1 : this.u2length < other.u2length ? -1 : this.u2length > other.u2length ? 1 : this.u2index < other.u2index ? -1 : this.u2index > other.u2index ? 1 : this.u2descriptorIndex < other.u2descriptorIndex ? -1 : this.u2descriptorIndex > other.u2descriptorIndex ? 1 : this.u2nameIndex < other.u2nameIndex ? -1 : this.u2nameIndex > other.u2nameIndex ? 1 : 0; } }