//
// Copyright (C) 2013 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA). All Rights Reserved.
//
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3. The NOSA has been approved by the Open Source
// Initiative. See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
//
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf.vm;
/**
* utility wrapper for exception handlers that /would/ handle
* a given exception type
*
* <2do> This should be a class hierarchy to properly distinguish between
* ordinary catch handlers and UncaughtHandler objects, but so far
* this isn't worth it
*/
public class HandlerContext {
public enum UncaughtHandlerType { INSTANCE, GROUP, GLOBAL }
ThreadInfo ti;
ClassInfo ciException;
StackFrame frame;
ExceptionHandler handler;
// - or -
int uncaughtHandlerRef;
UncaughtHandlerType uncaughtHandlerType;
HandlerContext (ThreadInfo ti, ClassInfo ciException, StackFrame frame, ExceptionHandler handler) {
this.ti = ti;
this.ciException = ciException;
this.frame = frame;
this.handler = handler;
}
HandlerContext (ThreadInfo ti, ClassInfo ciException, UncaughtHandlerType uncaughtHandlerType, int uncaughtHandlerRef){
this.ti = ti;
this.ciException = ciException;
this.uncaughtHandlerType = uncaughtHandlerType;
this.uncaughtHandlerRef = uncaughtHandlerRef;
}
public ThreadInfo getThreadInfo(){
return ti;
}
public StackFrame getFrame () {
return frame;
}
public ExceptionHandler getHandler () {
return handler;
}
public boolean isUncaughtHandler(){
return uncaughtHandlerType != null;
}
public UncaughtHandlerType getUncaughtHandlerType(){
return uncaughtHandlerType;
}
public int getUncaughtHandlerRef(){
return uncaughtHandlerRef;
}
}