xref: /gem5/src/systemc/tests/systemc/bugs/instantiation_detection/instantiation_detection.cpp

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

  end_of_elaboration.cpp -- Check instantiation detection

  Original Author: Philipp A. Hartmann, OFFIS, 2011-02-14

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

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

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

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

#include <systemc.h>

template< typename T >
T* create( const char* nm )
{
  try {
    return new T( sc_gen_unique_name(nm) );
  }
  catch ( sc_report const & x )
  {
      std::cout << "\n" << x.what() << std::endl;
  }
  return 0; // error detected, return NULL
}

SC_MODULE(sub_module)
{
  SC_CTOR(sub_module){}
};

SC_MODULE(top)
{
  SC_CTOR(top){
    SC_THREAD( create_things );
  }

  void create_things()
  {
    sc_assert( create<sub_module>("sub_module") == NULL );
    sc_assert( create<sc_in<bool> >("port") == NULL );
    sc_assert( create<sc_export<sc_signal_in_if<bool> > >("export") == NULL );
    sc_assert( create<sc_signal<bool> >("signal") == NULL );

    try {
      SC_THREAD(create_things);
    } catch ( sc_report const & x ) {
      std::cout << "\n" << x.what() << std::endl;
    }

    try {
      SC_METHOD(create_things);
    } catch ( sc_report const & x ) {
      std::cout << "\n" << x.what() << std::endl;
    }
  }

#if 1
  void start_of_simulation()
  {
      std:: cout << "\n---8<--- start_of_simulation ---8<---\n";
      create_things();
      std:: cout << "\n--->8--- start_of_simulation --->8---\n";
  }
  void end_of_elaboration()
  {
      std:: cout << "\n---8<--- end_of_elaboration  ---8<---\n";
      create_things();
      std:: cout << "\n--->8--- end_of_elaboration  --->8---\n";
  }
#endif
};

int sc_main( int, char*[] )
{
  sc_report_handler::set_actions( "object already exists", SC_DO_NOTHING );

  top dut("dut");

  // disallow ports and exports outside of modules
  sc_assert( create<sc_in<bool> >("port") == NULL );
  sc_assert( create<sc_export<sc_signal_in_if<bool> > >("export") == NULL );

  sc_start( 1, SC_NS );
  std::cout << "\nSuccess" << std::endl;
  return 0;
}