Program Listing for File LogicalCond.h

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#include <featureTests.h>
#ifdef ROSE_ENABLE_SOURCE_ANALYSIS

#ifndef LOGICAL_COND_H
#define LOGICAL_COND_H

#include <string>

class LogicalCond
{
        public:
        // the basic logical operations that must be supported by any implementation of
        // a logical condition: NOT, AND and OR
        // Return true if this causes the LogicalCond object to change and false otherwise.
        //virtual bool notUpd()=0;
        virtual bool andUpd(LogicalCond& that)=0;
        virtual bool orUpd(LogicalCond& that)=0;

        /*// returns true if this logical condition is false and false otherwise
        virtual bool isFalse()=0;*/

        // returns true if this logical condition must be true and false otherwise
        virtual bool mayTrue()=0;

        // returns true if this logical condition may be false and false otherwise
        bool mustFalse()
        {
                return !mayTrue();
        }

/*      virtual bool setToTrue()=0;
        virtual bool setToFalse()=0;*/

        // returns a copy of this LogicalCond object
        virtual LogicalCond* copy()=0;

        virtual std::string str(std::string indent="")=0;

        virtual ~LogicalCond() {}
};

#endif
#endif