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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __SYSTEMC_EXT_CHANNEL_SC_FIFO_HH__
#define __SYSTEMC_EXT_CHANNEL_SC_FIFO_HH__
#include "../core/sc_module.hh" // for sc_gen_unique_name
#include "../core/sc_prim.hh"
#include "sc_fifo_in_if.hh"
#include "sc_fifo_out_if.hh"
#include "warn_unimpl.hh"
namespace sc_core
{
class sc_port_base;
class sc_event;
template <class T>
class sc_fifo : public sc_fifo_in_if<T>,
public sc_fifo_out_if<T>,
public sc_prim_channel
{
public:
explicit sc_fifo(int size=16) :
sc_fifo_in_if<T>(), sc_fifo_out_if<T>(),
sc_prim_channel(sc_gen_unique_name("fifo"))
{}
explicit sc_fifo(const char *name, int size=16) :
sc_fifo_in_if<T>(), sc_fifo_out_if<T>(),
sc_prim_channel(name)
{}
virtual ~sc_fifo() {}
virtual void
register_port(sc_port_base &, const char *)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
}
virtual void
read(T &)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
}
virtual T
read()
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return *(T *)nullptr;
}
virtual bool
nb_read(T &)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return false;
}
operator T()
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return *(T *)nullptr;
}
virtual void
write(const T &)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
}
virtual bool
nb_write(const T&)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return false;
}
sc_fifo<T> &
operator = (const T &)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return *this;
}
virtual const sc_event &
data_written_event() const
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return *(const sc_event *)nullptr;
}
virtual const sc_event &
data_read_event() const
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return *(const sc_event *)nullptr;
}
virtual int
num_available() const
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return 0;
}
virtual int
num_free() const
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return 0;
}
virtual void
print(std::ostream & =std::cout) const
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
}
virtual void
dump(std::ostream & =std::cout) const
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
}
virtual const char *kind() const { return "sc_fifo"; }
protected:
virtual void
update()
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
}
private:
// Disabled
sc_fifo(const sc_fifo<T> &) :
sc_fifo_in_if<T>(), sc_fifo_in_if<T>(), sc_prim_channel()
{}
sc_fifo &operator = (const sc_fifo<T> &) { return *this; }
};
template <class T>
inline std::ostream &
operator << (std::ostream &os, const sc_fifo<T> &)
{
sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
return os;
}
} // namespace sc_core
#endif //__SYSTEMC_EXT_CHANNEL_SC_FIFO_HH__
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