falling_bit.h

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/*
  © 2023 Intel Corporation
 
  This software and the related documents are Intel copyrighted materials, and
  your use of them is governed by the express license under which they were
  provided to you ("License"). Unless the License provides otherwise, you may
  not use, modify, copy, publish, distribute, disclose or transmit this software
  or the related documents without Intel's prior written permission.
 
  This software and the related documents are provided as is, with no express or
  implied warranties, other than those that are expressly stated in the License.
*/
 
// -*- C++ -*-
 
#ifndef CPP_API_EXTENSIONS_SRC_SME_PATTERN_RULES_FALLING_BIT_H
#define CPP_API_EXTENSIONS_SRC_SME_PATTERN_RULES_FALLING_BIT_H
 
#include "sme/pattern_rules/I_pattern_rule.h"
#include <iostream>
#include <ios>
namespace sme {
 
    namespace rules {
    
        class falling_bit : public I_pattern_rule
        {
        public:
            uint8_t m_bit;
 
            falling_bit( uint8_t _bit)
                : I_pattern_rule()
                , m_bit( _bit)
            {
            }
 
            virtual ~falling_bit()  {;}
            
            virtual void process_rule( uint64_t _old_value, uint64_t & _new_value) {
                if( is_active() && is_bound() && (((_old_value & (1ULL << m_bit))) && (!(_new_value & (1ULL << m_bit)))) ) {
                    m_lambda();
                }
            }
        };
 
    }
 
}
 
#endif /*NOTIFICATION_RULE_FALLING_BIT_H_*/