sc_signal_resolved.h

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  The following code is derived, directly or indirectly, from the SystemC
  source code Copyright (c) 1996-2014 by all Contributors.
  All Rights reserved.

  The contents of this file are subject to the restrictions and limitations
  set forth in the SystemC Open Source License (the "License");
  You may not use this file except in compliance with such restrictions and
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  under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
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 *****************************************************************************/

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

  sc_signal_resolved.h -- The resolved signal class.

  Original Author: Martin Janssen, Synopsys, Inc., 2001-05-21

  CHANGE LOG IS AT THE END OF THE FILE
 *****************************************************************************/


#ifndef SC_SIGNAL_RESOLVED_H
#define SC_SIGNAL_RESOLVED_H


#include "sysc/communication/sc_signal.h"

namespace sc_core {

class sc_process_b;

extern const sc_dt::sc_logic_value_t sc_logic_resolution_tbl[4][4];


// ----------------------------------------------------------------------------
//  CLASS : sc_signal_resolved
//
//  The resolved signal class.
// ----------------------------------------------------------------------------

class sc_signal_resolved
: public sc_signal<sc_dt::sc_logic,SC_MANY_WRITERS>
{
public:

    // typedefs

    typedef sc_signal_resolved                         this_type;
    typedef sc_signal<sc_dt::sc_logic,SC_MANY_WRITERS> base_type;
    typedef sc_dt::sc_logic                            data_type;

public:

    // constructors

    sc_signal_resolved() :
        base_type( sc_gen_unique_name( "signal_resolved" ) ), m_proc_vec(), 
        m_val_vec()
        {}

    explicit sc_signal_resolved( const char* name_ ): 
        base_type( name_ ), m_proc_vec(), m_val_vec()
        {}

    sc_signal_resolved( const char* name_, const data_type & initial_value_ )
      : base_type( name_, initial_value_ )
      , m_proc_vec()
      , m_val_vec()
    {}

    // interface methods

    virtual void register_port( sc_port_base&, const char* )
        {}


    // write the new value
    virtual void write( const data_type& );


    // other methods

    this_type& operator = ( const data_type& a )
        { write( a ); return *this; }

    this_type& operator = ( const this_type& a )
        { write( a.read() ); return *this; }

    virtual const char* kind() const
        { return "sc_signal_resolved"; }

protected:

    virtual void update();

protected:

    std::vector<sc_process_b*> m_proc_vec; // processes writing this signal
    std::vector<data_type>     m_val_vec;  // new values written this signal

private:

    // disabled
    sc_signal_resolved( const this_type& );
};

} // namespace sc_core

//$Log: sc_signal_resolved.h,v $
//Revision 1.6  2011/08/26 20:45:44  acg
// Andy Goodrich: moved the modification log to the end of the file to
// eliminate source line number skew when check-ins are done.
//
//Revision 1.5  2011/08/24 22:05:36  acg
// Torsten Maehne: initialization changes to remove warnings.
//
//Revision 1.4  2011/04/19 02:36:26  acg
// Philipp A. Hartmann: new aysnc_update and mutex support.
//
//Revision 1.3  2011/02/18 20:23:45  acg
// Andy Goodrich: Copyright update.
//
//Revision 1.2  2011/01/20 16:52:15  acg
// Andy Goodrich: changes for IEEE 1666 2011.
//
//Revision 1.1.1.1  2006/12/15 20:20:04  acg
//SystemC 2.3
//
//Revision 1.2  2006/01/03 23:18:26  acg
//Changed copyright to include 2006.
//
//Revision 1.1.1.1  2005/12/19 23:16:43  acg
//First check in of SystemC 2.1 into its own archive.
//
//Revision 1.10  2005/09/15 23:01:52  acg
//Added std:: prefix to appropriate methods and types to get around
//issues with the Edison Front End.
//
//Revision 1.9  2005/06/10 22:43:55  acg
//Added CVS change log annotation.
//

#endif

// Taf!