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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#ifndef EmException_h
#define EmException_h
#include <exception>
#include <string>
// ---------- EmException ----------
class EmException : public exception
{
public:
EmException (void) throw ();
virtual ~EmException (void) throw ();
};
// ---------- EmExceptionTopLevelAction ----------
// This class of exception is used to escape back
// to the top level of the CPU loop and optionally
// perform some action there.
class EmExceptionTopLevelAction : public EmException
{
public:
EmExceptionTopLevelAction (void) throw ();
virtual ~EmExceptionTopLevelAction (void) throw ();
virtual void DoAction (void) = 0;
};
// ---------- EmExceptionEnterDebugger ----------
class EmExceptionEnterDebugger : public EmExceptionTopLevelAction
{
public:
EmExceptionEnterDebugger (void) throw ();
virtual ~EmExceptionEnterDebugger (void) throw ();
virtual void DoAction (void);
};
// ---------- EmExceptionReset ----------
class EmExceptionReset : public EmExceptionTopLevelAction
{
public:
EmExceptionReset (EmResetType) throw ();
virtual ~EmExceptionReset (void) throw ();
virtual void DoAction (void);
void SetException (uint16 e) { fException = e; }
void SetMessage (const char* m) { fMessage = m; }
void SetTrapWord (uint16 tw) { fTrapWord = tw; }
virtual const char* what (void) const throw ();
void Display (void) const;
private:
EmResetType fType;
mutable string fWhat;
string fMessage;
uint16 fException;
uint16 fTrapWord;
};
// ---------- EmExceptionNextGremlin ----------
class EmExceptionNextGremlin : public EmExceptionTopLevelAction
{
public:
EmExceptionNextGremlin (void) throw ();
virtual ~EmExceptionNextGremlin (void) throw ();
virtual void DoAction (void);
};
#endif // EmException_h
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