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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_CORE_SC_PORT_HH__
#define __SYSTEMC_EXT_CORE_SC_PORT_HH__
#include "sc_module.hh" // for sc_gen_unique_name
#include "sc_object.hh"
namespace sc_core
{
class sc_interface;
enum sc_port_policy
{
SC_ONE_OR_MORE_BOUND, // Default
SC_ZERO_OR_MORE_BOUND,
SC_ALL_BOUND
};
class sc_port_base : public sc_object
{
public:
sc_port_base(const char *name, int n, sc_port_policy p) : sc_object(name)
{}
void warn_unimpl(const char *func) const;
};
template <class IF>
class sc_port_b : public sc_port_base
{
public:
void
operator () (IF &)
{
warn_unimpl(__PRETTY_FUNCTION__);
}
void
operator () (sc_port_b<IF> &)
{
warn_unimpl(__PRETTY_FUNCTION__);
}
virtual void
bind(IF &)
{
warn_unimpl(__PRETTY_FUNCTION__);
}
virtual void
bind(sc_port_b<IF> &)
{
warn_unimpl(__PRETTY_FUNCTION__);
}
int
size() const
{
warn_unimpl(__PRETTY_FUNCTION__);
return 0;
}
IF *
operator -> ()
{
warn_unimpl(__PRETTY_FUNCTION__);
return (IF *)nullptr;
}
const IF *
operator -> () const
{
warn_unimpl(__PRETTY_FUNCTION__);
return (IF *)nullptr;
}
IF *
operator [] (int)
{
warn_unimpl(__PRETTY_FUNCTION__);
return (IF *)nullptr;
}
const IF *
operator [] (int) const
{
warn_unimpl(__PRETTY_FUNCTION__);
return (IF *)nullptr;
}
virtual sc_interface *
get_interface()
{
warn_unimpl(__PRETTY_FUNCTION__);
return (sc_interface *)nullptr;
}
virtual const sc_interface *
get_interface() const
{
warn_unimpl(__PRETTY_FUNCTION__);
return (sc_interface *)nullptr;
}
protected:
virtual void before_end_of_elaboration() {}
virtual void end_of_elaboration() {}
virtual void start_of_elaboration() {}
virtual void end_of_simulation() {}
explicit sc_port_b(int n, sc_port_policy p) :
sc_port_base(sc_gen_unique_name("sc_port"), n, p)
{}
sc_port_b(const char *name, int n, sc_port_policy p) :
sc_port_base(name, n, p)
{}
virtual ~sc_port_b() {}
private:
// Disabled
sc_port_b() {}
sc_port_b(const sc_port_b<IF> &) {}
sc_port_b<IF> &operator = (const sc_port_b<IF> &) { return *this; }
};
template <class IF, int N=1, sc_port_policy P=SC_ONE_OR_MORE_BOUND>
class sc_port : public sc_port_b<IF>
{
public:
sc_port() : sc_port_b<IF>(sc_gen_unique_name("sc_port"), N, P) {}
explicit sc_port(const char *name) : sc_port_b<IF>(name, N, P) {}
virtual ~sc_port() {}
virtual const char *kind() const { return "sc_port"; }
private:
// Disabled
sc_port(const sc_port<IF, N, P> &) {}
sc_port<IF, N, P> &operator = (const sc_port<IF, N, P> &) { return *this; }
};
} // namespace sc_core
#endif //__SYSTEMC_EXT_CORE_SC_PORT_HH__
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