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 * Refinement Analysis Tools is Copyright (c) 2007 The Regents of the
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package com.ibm.wala.demandpa.alg.refinepolicy;

import com.ibm.wala.ipa.callgraph.propagation.cfa.CallerSiteContext;

/**
 * Interface for specifying a policy for refining the call graph.
 */
public interface CallGraphRefinePolicy {

  /**
   * @param callSiteAndCGNode
   * @return <code>true</code> if the analysis should attempt to determine targets for the virtual call on-the-fly, and
   *         <code>false</code> otherwise
   */
  public boolean shouldRefine(CallerSiteContext callSiteAndCGNode);

  /**
   * @return <code>true</code> if more refinement can be done, and hence another pass can be attempted; <code>false</code> otherwise
   */
  public boolean nextPass();

}