src/systemc/tests/systemc/datatypes/fx/observers/observers.cpp

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  more contributor license agreements.  See the NOTICE file distributed
  with this work for additional information regarding copyright ownership.
  Accellera licenses this file to you under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with the
  License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
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  implied.  See the License for the specific language governing
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#define SC_ENABLE_OBSERVERS
#define SC_INCLUDE_FX
#include "systemc.h"

#if SC_CPLUSPLUS < 201103L
# define override /* empty */
#endif // SC_CPLUSPLUS >= 201103L

template<typename Observed, typename Base>
class observer: public Base {
    virtual void construct(const Observed&) override {
        std::cout << "construct" << std::endl;
    }
    virtual void destruct(const Observed&) override {
        std::cout << "destruct" << std::endl;
    }
    virtual void read(const Observed&) override {
        std::cout << "read" << std::endl;
    }
    virtual void write(const Observed&) override {
        std::cout << "write" << std::endl;
    }
};

template<typename T, typename Observed, typename Base>
void observe(char const *name) {
    std::cout << std::endl;
    std::cout << name << std::endl;

    observer<Observed, Base> o;
    T value(&o);

    std::cout << "to_short  "; value.to_short();
    std::cout << "to_ushort "; value.to_ushort();
    std::cout << "to_int    "; value.to_int();
    std::cout << "to_uint   "; value.to_uint();
    std::cout << "to_long   "; value.to_long();
    std::cout << "to_ulong  "; value.to_ulong();
    std::cout << "to_int64  "; value.to_int64();
    std::cout << "to_uint64 "; value.to_uint64();
    std::cout << "to_float  "; value.to_float();
    std::cout << "to_double "; value.to_double();
}

int sc_main(int, char *[]) {
    observe<sc_fxval, sc_fxval, sc_dt::sc_fxval_observer>("sc_fxval");
    observe<sc_fxval_fast, sc_fxval_fast, sc_dt::sc_fxval_fast_observer>("sc_fxval_fast");
    observe<sc_fixed<1, 2>, sc_fxnum, sc_dt::sc_fxnum_observer>("sc_fixed");
    observe<sc_fixed_fast<3, 4>, sc_fxnum_fast, sc_dt::sc_fxnum_fast_observer>("sc_fixed_fast");
    observe<sc_ufixed<5, 6>, sc_fxnum, sc_dt::sc_fxnum_observer>("sc_ufixed");
    observe<sc_ufixed_fast<7, 8>, sc_fxnum_fast, sc_dt::sc_fxnum_fast_observer>("sc_ufixed_fast");

    return 0;
}