66 lines
1.5 KiB
Java
66 lines
1.5 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002,2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.shrikeBT;
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/**
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* This class represents arraylength instructions.
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*/
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final public class ArrayLengthInstruction extends Instruction {
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protected ArrayLengthInstruction() {
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super(OP_arraylength);
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}
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private static final ArrayLengthInstruction preallocated = new ArrayLengthInstruction();
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public static ArrayLengthInstruction make() {
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return preallocated;
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}
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@Override
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public boolean equals(Object o) {
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return o instanceof ArrayLengthInstruction;
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}
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@Override
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public int hashCode() {
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return 3180901;
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}
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@Override
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public int getPoppedCount() {
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return 1;
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}
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@Override
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public String getPushedType(String[] types) {
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return Constants.TYPE_int;
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}
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@Override
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public byte getPushedWordSize() {
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return 1;
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}
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@Override
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public void visit(IInstruction.Visitor v) throws NullPointerException {
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v.visitArrayLength(this);
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}
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@Override
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public String toString() {
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return "ArrayLength()";
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}
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@Override
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public boolean isPEI() {
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return true;
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}
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} |