| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2009 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.preverification; |
| |
| import proguard.classfile.*; |
| import proguard.classfile.attribute.CodeAttribute; |
| import proguard.classfile.attribute.preverification.visitor.VerificationTypeVisitor; |
| |
| /** |
| * This VerificationType represents a Uninitialized type. |
| * |
| * @author Eric Lafortune |
| */ |
| public class UninitializedType extends VerificationType |
| { |
| public int u2newInstructionOffset; |
| |
| |
| /** |
| * Creates an uninitialized UninitializedType. |
| */ |
| public UninitializedType() |
| { |
| } |
| |
| |
| /** |
| * Creates an UninitializedType pointing to the given 'new' instruction. |
| */ |
| public UninitializedType(int u2newInstructionOffset) |
| { |
| this.u2newInstructionOffset = u2newInstructionOffset; |
| } |
| |
| |
| // Implementations for VerificationType. |
| |
| public int getTag() |
| { |
| return UNINITIALIZED_TYPE; |
| } |
| |
| |
| public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int instructionOffset, VerificationTypeVisitor verificationTypeVisitor) |
| { |
| verificationTypeVisitor.visitUninitializedType(clazz, method, codeAttribute, instructionOffset, this); |
| } |
| |
| |
| public void stackAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, int instructionOffset, int stackIndex, VerificationTypeVisitor verificationTypeVisitor) |
| { |
| verificationTypeVisitor.visitStackUninitializedType(clazz, method, codeAttribute, instructionOffset, stackIndex, this); |
| } |
| |
| |
| public void variablesAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, int instructionOffset, int variableIndex, VerificationTypeVisitor verificationTypeVisitor) |
| { |
| verificationTypeVisitor.visitVariablesUninitializedType(clazz, method, codeAttribute, instructionOffset, variableIndex, this); |
| } |
| |
| |
| // Implementations for Object. |
| |
| public boolean equals(Object object) |
| { |
| if (!super.equals(object)) |
| { |
| return false; |
| } |
| |
| UninitializedType other = (UninitializedType)object; |
| |
| return this.u2newInstructionOffset == other.u2newInstructionOffset; |
| } |
| |
| |
| public int hashCode() |
| { |
| return super.hashCode() ^ |
| u2newInstructionOffset; |
| } |
| |
| |
| public String toString() |
| { |
| return "u:" + u2newInstructionOffset; |
| } |
| } |