110 lines
3.0 KiB
Java
110 lines
3.0 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.impl;
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import java.util.Arrays;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.ipa.callgraph.Entrypoint;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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import com.ibm.wala.types.MethodReference;
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import com.ibm.wala.types.TypeReference;
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/**
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* An entrypoint whose parameter types are the declared types.
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*/
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public class DefaultEntrypoint extends Entrypoint {
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private final TypeReference[][] paramTypes;
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private final IClassHierarchy cha;
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public DefaultEntrypoint(IMethod method, IClassHierarchy cha) {
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super(method);
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if (method == null) {
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throw new IllegalArgumentException("method is null");
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}
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this.cha = cha;
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paramTypes = makeParameterTypes(method);
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assert paramTypes != null : method.toString();
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}
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public DefaultEntrypoint(MethodReference method, IClassHierarchy cha) {
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super(method, cha);
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if (method == null) {
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throw new IllegalArgumentException("method is null");
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}
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this.cha = cha;
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paramTypes = makeParameterTypes(getMethod());
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assert paramTypes != null : method.toString();
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}
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protected TypeReference[][] makeParameterTypes(IMethod method) {
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TypeReference[][] result = new TypeReference[method.getNumberOfParameters()][];
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for (int i = 0; i < result.length; i++) {
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result[i] = makeParameterTypes(method, i);
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}
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return result;
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}
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protected TypeReference[] makeParameterTypes(IMethod method, int i) {
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return new TypeReference[] { method.getParameterType(i) };
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}
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/*
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* @see com.ibm.wala.ipa.callgraph.Entrypoint#getParameterTypes(int)
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*/
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@Override
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public TypeReference[] getParameterTypes(int i) {
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return paramTypes[i];
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}
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public void setParameterTypes(int i, TypeReference[] types) {
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paramTypes[i] = types;
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}
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/*
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* @see com.ibm.wala.ipa.callgraph.Entrypoint#getNumberOfParameters()
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*/
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@Override
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public int getNumberOfParameters() {
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return paramTypes.length;
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}
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public IClassHierarchy getCha() {
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return cha;
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = super.hashCode();
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result = prime * result + Arrays.hashCode(paramTypes);
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return result;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (!super.equals(obj))
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return false;
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if (getClass() != obj.getClass())
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return false;
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final DefaultEntrypoint other = (DefaultEntrypoint) obj;
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if (!Arrays.equals(paramTypes, other.paramTypes))
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return false;
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return true;
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}
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}
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