/*****************************************************************\
*                                                                *
*  Copyright (C) Regents of University of California, 2003       *
*  This source code is a part of EXPRESSION project and is       *
*  copyrighted by the Regents of the University of California,   *
*  Irvine.                                                       *
*  The authors hereby grant permission to use this description   *
*  and its documentation for educational and non-commercial      *
*  purpose under the BSD license                                 *
*  (http://www.cecs.uci.edu/~express/BSD_License.txt). 	         *
*  The source code comes with no warranty and no author or       *
*  distributor accepts any responsibility for the consequences   *
*  of its use. Permission is granted to distribute this file in  *
*  compiled or executable form under the same conditions that    *
*  apply for source code. Permission is granted	to anyone to     *
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*******************************************************************/
//==========================================================================
// File:			BaseBBProperty.h
// Created:			Oct. 21, 97
// Author:			Xiaomei Ji
//
//=========================================================================

#ifndef __BASEBBPROPERTY_H__
#define __BASEBBPROPERTY_H__

#ifndef WIN32
#include <iostream.h>
#endif

#include "PropertyIncludes.h"
#include "MyLinkedList.h"
#include "BaseArgument.h"


// the base property of basic block, this is an ABC
class BaseBBProperty {
public:	
	BaseBBProperty() { }
	virtual ~BaseBBProperty() { }
	virtual int is(PropertyNames prop) = 0;
	static int isValidProperty(PropertyNames prop) {
		switch ( prop ) {
		case _COMPDEF_:
		case _LIVEDEAD_:
		case _EXECNUM_:
		case _EXECPOSSIBILITY_:
			return _YES_;
		}
		return _NO_;
	}
	virtual BaseBBProperty* copy() = 0;
	virtual int operator==(const BaseBBProperty&) { return _YES_;}
	friend ostream& operator<<(ostream& out, BaseBBProperty&) { return out;}
	virtual void print() = 0;
	virtual void print(ostream&) = 0;

        virtual int isEq(BaseBBProperty* a) {
      		return _NO_;
   	} 
};

#endif
