src/systemc/tests/systemc/1666-2011-compliance/virtual_bind/virtual_bind.cpp

/*****************************************************************************

  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
  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

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
  permissions and limitations under the License.

 *****************************************************************************/

// virtual_bind.cpp -- test for 
//
//  Original Author: John Aynsley, Doulos, Inc.
//
// MODIFICATION LOG - modifiers, enter your name, affiliation, date and
//
// $Log: virtual_bind.cpp,v $
// Revision 1.2  2011/05/08 19:18:46  acg
//  Andy Goodrich: remove extraneous + prefixes from git diff.
//

// Process control method throw_it

#define SC_INCLUDE_DYNAMIC_PROCESSES

#include <systemc>

using namespace sc_core;
using std::cout;
using std::endl;

struct i_f: virtual sc_interface
{
  virtual void meth() = 0;
};

struct Chan: i_f, sc_module
{
  int f1;
  Chan(sc_module_name _name)
  {
    f1 = 0;
  }
  virtual void meth() { f1 = 1; }
};

struct my_port: sc_port<i_f>
{
  void bind(i_f& _if)
  {
    sc_assert(false);
  }
};

struct extended_port: my_port
{
  int f2;
  extended_port() { f2 = 0; }
  
  void bind(i_f& _if)
  {
    sc_port<i_f>::bind(_if);
    f2 = 1;
  }
};

struct my_export: sc_export<i_f>
{
  void bind(i_f& _if)
  {
    sc_assert(false);
  }
};

struct extended_export: my_export
{
  int f3;
  extended_export() { f3 = 0; }
  
  void bind(i_f& _if)
  {
    sc_export<i_f>::bind(_if);
    f3 = 1;
  }
};

struct Child: sc_module
{
  extended_port p;
  extended_export xp;
  
  Chan chan;
  
  Child(sc_module_name _name)
  : chan("chan")
  {
    my_export* mxp = static_cast<my_export*>( &xp );
    mxp->bind(chan); // bind should be virtual
    SC_THREAD(T);
  }
  
  void T()
  {
    p->meth();
  }

  SC_HAS_PROCESS(Child);
};

struct Top: sc_module
{
  Child *child;
  Chan chan;
  
  Top(sc_module_name _name)
  : chan("chan")
  {
    child = new Child("child");
    extended_port* ep = &(child->p);
    my_port* mp = static_cast<my_port*>(ep);
    mp->bind(chan); // bind should be virtual
    
    SC_THREAD(T);
  }
  
  void T()
  {
    child->xp->meth();
  }

  SC_HAS_PROCESS(Top);
};

int sc_main(int argc, char* argv[])
{
  Top top("top");
  
  sc_start();
  
  sc_assert( top.chan.f1 );
  sc_assert( top.child->chan.f1 );
  sc_assert( top.child->p.f2 );
  sc_assert( top.child->xp.f3 );
  
  cout << endl << "Success" << endl;
  return 0;
}