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* ProGuard -- shrinking, optimization, obfuscation, and preverification
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* Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package proguard.classfile.attribute.preverification;
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import proguard.classfile.*;
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import proguard.classfile.attribute.CodeAttribute;
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import proguard.classfile.attribute.preverification.visitor.VerificationTypeVisitor;
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* This VerificationType represents a Uninitialized type.
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* @author Eric Lafortune
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public class UninitializedType extends VerificationType
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public int u2newInstructionOffset;
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* Creates an uninitialized UninitializedType.
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public UninitializedType()
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* Creates an UninitializedType pointing to the given 'new' instruction.
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public UninitializedType(int u2newInstructionOffset)
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this.u2newInstructionOffset = u2newInstructionOffset;
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// Implementations for VerificationType.
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return UNINITIALIZED_TYPE;
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public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int instructionOffset, VerificationTypeVisitor verificationTypeVisitor)
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verificationTypeVisitor.visitUninitializedType(clazz, method, codeAttribute, instructionOffset, this);
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public void stackAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, int instructionOffset, int stackIndex, VerificationTypeVisitor verificationTypeVisitor)
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verificationTypeVisitor.visitStackUninitializedType(clazz, method, codeAttribute, instructionOffset, stackIndex, this);
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public void variablesAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, int instructionOffset, int variableIndex, VerificationTypeVisitor verificationTypeVisitor)
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verificationTypeVisitor.visitVariablesUninitializedType(clazz, method, codeAttribute, instructionOffset, variableIndex, this);
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// Implementations for Object.
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public boolean equals(Object object)
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if (!super.equals(object))
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UninitializedType other = (UninitializedType)object;
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return this.u2newInstructionOffset == other.u2newInstructionOffset;
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return super.hashCode() ^
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u2newInstructionOffset;
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public String toString()
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return "u:" + u2newInstructionOffset;