34 lines
1.3 KiB
Java
34 lines
1.3 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;
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/**
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* A Context is a mapping from a name (ContextKey) to a value (ContextItem)
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*
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* For example, for CFA-1, there is only one name ("caller"); and the context maps "caller" to an IMethod
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*
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* As another example, for CPA, there would be name for each parameter slot ("zero","one","two"), and the Context provides a mapping
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* from this name to a set of types. eg. "one" -> {java.lang.String, java.lang.Date}
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*/
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public interface Context extends ContextItem {
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/**
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* @return the objects corresponding to a given name
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*/
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ContextItem get(ContextKey name);
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/**
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* @return whether this context has a specific type
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*/
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default boolean isA(Class<? extends Context> type) {
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return type.isInstance(this);
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}
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}
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