code: /*
   * Copyright (c) 2017-2018 The Regents of the University of California
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   * 1. Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package edu.berkeley.cs.jqf.fuzz.ei.state;
  
  import edu.berkeley.cs.jqf.fuzz.ei.ExecutionIndex;
  import edu.berkeley.cs.jqf.instrument.tracing.events.AllocEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.BranchEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.CallEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.ReadEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.ReturnEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.TraceEventVisitor;
  
  /**
   * ExecutionIndexingState implementation for Janala
   * instrumentation framework.
   *
   * @see ExecutionIndex
   *
   * @author Rohan Padhye
   */
  public class JanalaExecutionIndexingState extends AbstractExecutionIndexingState implements TraceEventVisitor {
      public JanalaExecutionIndexingState() {
          super();
      }
  
      public JanalaExecutionIndexingState(JanalaExecutionIndexingState eis) {
          super(eis);
      }
  
      @Override
      public void visitCallEvent(CallEvent c) {
          setLastEventIid(c.getIid());
          this.pushCall(c.getIid());
      }
  
      @Override
      public void visitReturnEvent(ReturnEvent r) {
          setLastEventIid(r.getIid());
          this.popReturn(r.getIid());
      }
  
      @Override
      public void visitAllocEvent(AllocEvent e) {
          setLastEventIid(e.getIid());
      }
  
      @Override
      public void visitBranchEvent(BranchEvent e) {
          setLastEventIid(e.getIid());
      }
  
      @Override
      public void visitReadEvent(ReadEvent e) {
          setLastEventIid(e.getIid());
      }
  }
  