/*********************************************************************
 *
 * exception.h
 *
 * Author: Marten Cho (marten@marten.pe.kr)
 * First created: 2002/12/30
 * Last modified: 2003/09/01
 *
 * Copyright (C) 2002 - 2003 Marten Cho. All rights reserved.
 *
 * Revision:
 *
 ********************************************************************/
#ifndef _M_EXCEPTION_H_
#define _M_EXCEPTION_H_

#include <setjmp.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct MException {
	struct MException * down;
	jmp_buf	save;
} MException;

extern MException * _CurrentException;

#define _m_try									\
	do {										\
		int	_m_value;							\
		MException context;						\
												\
		context.down = _CurrentException;		\
		_CurrentException = &context;			\
												\
		_m_value = setjmp(context.save);		\
												\
		if (_m_value == 0)						\
		{										\
			do {
#define _m_catch(exception)						\
			} while (0);						\
		}										\
		else if (_m_value == exception)			\
		{										\
			_CurrentException = context.down;	\
			do {
#define _m_catch_any							\
			} while (0);						\
		}										\
		else									\
		{										\
			_CurrentException = context.down;	\
			do {		
#define _m_end_try								\
			} while (0);						\
		}										\
	} while (0)

#define _m_throw(exception)	m_exception_throw(exception)

void 
m_exception_throw(
	int exception
	);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _M_EXCEPTION_H_ */