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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_SIGNAL_INOUT_IF_HH__
#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_INOUT_IF_HH__
#include "../core/sc_interface.hh"
#include "sc_signal_in_if.hh"
namespace sc_core
{
enum sc_writer_policy
{
SC_ONE_WRITER,
SC_MANY_WRITERS
};
template <class T>
class sc_signal_write_if : virtual public sc_interface
{
public:
virtual sc_writer_policy
get_writer_policy() const
{
return SC_ONE_WRITER;
}
virtual void write(const T &) = 0;
protected:
sc_signal_write_if() : sc_interface() {}
private:
// Disabled
sc_signal_write_if(const sc_signal_write_if<T> &) : sc_interface() {}
sc_signal_write_if<T> &
operator = (const sc_signal_write_if<T> &)
{
return *this;
}
};
template <class T>
class sc_signal_inout_if : public sc_signal_in_if<T>,
public sc_signal_write_if<T>
{
protected:
sc_signal_inout_if() : sc_signal_in_if<T>(), sc_signal_write_if<T>() {}
private:
// Disabled
sc_signal_inout_if(const sc_signal_inout_if<T> &) :
sc_signal_in_if<T>(), sc_signal_write_if<T>()
{}
sc_signal_inout_if<T> &
operator = (const sc_signal_inout_if<T> &)
{
return *this;
}
};
// Deprecated.
template <class T>
using sc_signal_out_if = sc_signal_inout_if<T>;
} // namespace sc_core
#endif //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_INOUT_IF_HH__
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