75 lines
2.3 KiB
Java
75 lines
2.3 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.ipa.callgraph.propagation;
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import com.ibm.wala.classLoader.ArrayClass;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.NewSiteReference;
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import com.ibm.wala.ipa.callgraph.CGNode;
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/**
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* An {@link InstanceKey} which represents a multinewarray allocation site in a {@link CGNode}.
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*/
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public final class MultiNewArrayInNode extends AllocationSiteInNode {
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private final int dim;
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/**
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* @return null if the element type is a primitive
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* @throws IllegalArgumentException if T == null
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*/
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private static IClass myElementType(ArrayClass T, int d) throws IllegalArgumentException, IllegalArgumentException {
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if (T == null) {
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throw new IllegalArgumentException("T == null");
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}
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if (d == 0) {
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return T.getElementClass();
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} else {
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ArrayClass element = (ArrayClass) T.getElementClass();
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if (element == null) {
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return null;
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} else {
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return myElementType(element, d - 1);
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}
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}
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}
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public MultiNewArrayInNode(CGNode node, NewSiteReference allocation, ArrayClass type, int dim) {
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super(node, allocation, myElementType(type, dim));
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this.dim = dim;
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}
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@Override
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public boolean equals(Object obj) {
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// instanceof is OK because this class is final
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if (obj instanceof MultiNewArrayInNode) {
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MultiNewArrayInNode other = (MultiNewArrayInNode) obj;
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return (dim == other.dim && getNode().equals(other.getNode()) && getSite().equals(other.getSite()));
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} else {
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return false;
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}
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}
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@Override
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public int hashCode() {
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return 9967 * dim + getNode().hashCode() * 8647 * getSite().hashCode();
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}
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@Override
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public String toString() {
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return super.toString() + "<dim:" + dim + ">";
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}
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public int getDim() {
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return dim;
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}
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}
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