sc_sensitive.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
  limitations. You may obtain instructions on how to receive a copy of the
  License at http://www.accellera.org/. Software distributed by Contributors
  under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
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  language governing rights and limitations under the License.

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

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

  sc_sensitive.h -- Sensitivity classes. Requires "sc_process.h"
  for declarations of sc_method_handle, &.c.

  Original Author: Stan Y. Liao, Synopsys, Inc.
                   Martin Janssen, Synopsys, Inc.

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


#ifndef SC_SENSITIVE_H
#define SC_SENSITIVE_H

#include "sysc/kernel/sc_process.h"

namespace sc_dt
{
    class sc_logic;
}

namespace sc_core {

class sc_process_handle;
class sc_event;
class sc_event_finder;
class sc_interface;
class sc_module;
class sc_port_base;
template <class T> class sc_in;
template <class T> class sc_inout;
template <class T> class sc_signal_in_if;


// ----------------------------------------------------------------------------
//  CLASS : sc_sensitive
//
//  Static sensitivity class for events.
// ----------------------------------------------------------------------------

class sc_sensitive
{
    friend class sc_module;

    // 04/07/2015 GL: a new sc_channel class is derived from sc_module
    friend class sc_channel;

public:

    // typedefs
    typedef sc_signal_in_if<bool>            in_if_b_type;
    typedef sc_signal_in_if<sc_dt::sc_logic> in_if_l_type;
    typedef sc_in<bool>                      in_port_b_type;
    typedef sc_in<sc_dt::sc_logic>           in_port_l_type;
    typedef sc_inout<bool>                   inout_port_b_type;
    typedef sc_inout<sc_dt::sc_logic>        inout_port_l_type;

private:

    // constructor
    explicit sc_sensitive( sc_module* );

    // destructor
    ~sc_sensitive();

public:

    // changing between process handles
    sc_sensitive& operator << ( sc_process_handle );
#if 0
    sc_sensitive& operator << ( sc_method_handle );
    sc_sensitive& operator << ( sc_thread_handle );
#endif // 0

    sc_sensitive& operator () ( const sc_event& );
    sc_sensitive& operator () ( const sc_interface& );
    sc_sensitive& operator () ( const sc_port_base& );
    sc_sensitive& operator () ( sc_event_finder& );

    sc_sensitive& operator << ( const sc_event& );
    sc_sensitive& operator << ( const sc_interface& );
    sc_sensitive& operator << ( const sc_port_base& );
    sc_sensitive& operator << ( sc_event_finder& );

    sc_sensitive& operator () ( sc_cthread_handle, sc_event_finder& );
    sc_sensitive& operator () ( sc_cthread_handle, const in_if_b_type& );
    sc_sensitive& operator () ( sc_cthread_handle, const in_if_l_type& );
    sc_sensitive& operator () ( sc_cthread_handle, const in_port_b_type& );
    sc_sensitive& operator () ( sc_cthread_handle, const in_port_l_type& );
    sc_sensitive& operator () ( sc_cthread_handle, const inout_port_b_type& );
    sc_sensitive& operator () ( sc_cthread_handle, const inout_port_l_type& );

    static void make_static_sensitivity( sc_process_b*, const sc_event& );
    static void make_static_sensitivity( sc_process_b*, const sc_interface& );
    static void make_static_sensitivity( sc_process_b*, const sc_port_base&);
    static void make_static_sensitivity( sc_process_b*, sc_event_finder& );

    void reset();

private:

    sc_module*                                m_module;
    enum { SC_NONE_, SC_METHOD_, SC_THREAD_ } m_mode;
    sc_process_b*                          m_handle;

private:

    // disabled

    sc_sensitive();
    sc_sensitive( const sc_sensitive& );
    sc_sensitive& operator = ( const sc_sensitive& );
};


// ----------------------------------------------------------------------------
//  CLASS : sc_sensitive_pos
//
//  Static sensitivity class for positive edge events.
// ----------------------------------------------------------------------------

class sc_sensitive_pos
{
    friend class sc_module;

    // 04/07/2015 GL: a new sc_channel class is derived from sc_module
    friend class sc_channel;

public:

    // typedefs
    typedef sc_signal_in_if<bool>            in_if_b_type;
    typedef sc_signal_in_if<sc_dt::sc_logic> in_if_l_type;
    typedef sc_in<bool>                      in_port_b_type;
    typedef sc_in<sc_dt::sc_logic>           in_port_l_type;
    typedef sc_inout<bool>                   inout_port_b_type;
    typedef sc_inout<sc_dt::sc_logic>        inout_port_l_type;

private:

    // constructor
    explicit sc_sensitive_pos( sc_module* );

    // destructor
    ~sc_sensitive_pos();

public:

    // changing between process handles
    sc_sensitive_pos& operator << ( sc_process_handle );
    sc_sensitive_pos& operator << ( sc_method_handle );
    sc_sensitive_pos& operator << ( sc_thread_handle );

    sc_sensitive_pos& operator () ( const in_if_b_type& );
    sc_sensitive_pos& operator () ( const in_if_l_type& );
    sc_sensitive_pos& operator () ( const in_port_b_type& );
    sc_sensitive_pos& operator () ( const in_port_l_type& );
    sc_sensitive_pos& operator () ( const inout_port_b_type& );
    sc_sensitive_pos& operator () ( const inout_port_l_type& );

    sc_sensitive_pos& operator << ( const in_if_b_type& );
    sc_sensitive_pos& operator << ( const in_if_l_type& );
    sc_sensitive_pos& operator << ( const in_port_b_type& );
    sc_sensitive_pos& operator << ( const in_port_l_type& );
    sc_sensitive_pos& operator << ( const inout_port_b_type& );
    sc_sensitive_pos& operator << ( const inout_port_l_type& );

    void reset();

private:

    sc_module*                                m_module;
    enum { SC_NONE_, SC_METHOD_, SC_THREAD_ } m_mode;
    sc_process_b*                          m_handle;

private:

    // disabled
    sc_sensitive_pos();
    sc_sensitive_pos( const sc_sensitive_pos& );
    sc_sensitive_pos& operator = ( const sc_sensitive_pos& );
};


// ----------------------------------------------------------------------------
//  CLASS : sc_sensitive_neg
//
//  Static sensitivity class for negative edge events.
// ----------------------------------------------------------------------------

class sc_sensitive_neg
{
    friend class sc_module;

    // 04/07/2015 GL: a new sc_channel class is derived from sc_module
    friend class sc_channel;

public:

    // typedefs
    typedef sc_signal_in_if<bool>            in_if_b_type;
    typedef sc_signal_in_if<sc_dt::sc_logic> in_if_l_type;
    typedef sc_in<bool>                      in_port_b_type;
    typedef sc_in<sc_dt::sc_logic>           in_port_l_type;
    typedef sc_inout<bool>                   inout_port_b_type;
    typedef sc_inout<sc_dt::sc_logic>        inout_port_l_type;

private:

    // constructor
    explicit sc_sensitive_neg( sc_module* );

    // destructor
    ~sc_sensitive_neg();

public:

    // changing between process handles
    sc_sensitive_neg& operator << ( sc_process_handle );
    sc_sensitive_neg& operator << ( sc_method_handle );
    sc_sensitive_neg& operator << ( sc_thread_handle );

    sc_sensitive_neg& operator () ( const in_if_b_type& );
    sc_sensitive_neg& operator () ( const in_if_l_type& );
    sc_sensitive_neg& operator () ( const in_port_b_type& );
    sc_sensitive_neg& operator () ( const in_port_l_type& );
    sc_sensitive_neg& operator () ( const inout_port_b_type& );
    sc_sensitive_neg& operator () ( const inout_port_l_type& );

    sc_sensitive_neg& operator << ( const in_if_b_type& );
    sc_sensitive_neg& operator << ( const in_if_l_type& );
    sc_sensitive_neg& operator << ( const in_port_b_type& );
    sc_sensitive_neg& operator << ( const in_port_l_type& );
    sc_sensitive_neg& operator << ( const inout_port_b_type& );
    sc_sensitive_neg& operator << ( const inout_port_l_type& );

    void reset();

private:

    sc_module*                                m_module;
    enum { SC_NONE_, SC_METHOD_, SC_THREAD_ } m_mode;
    sc_process_b*                          m_handle;

private:

    // disabled
    sc_sensitive_neg();
    sc_sensitive_neg( const sc_sensitive_neg& );
    sc_sensitive_neg& operator = ( const sc_sensitive_neg& );
};

} // namespace sc_core 

#endif

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

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

      Name, Affiliation, Date: Bishnupriya Bhattacharya, Cadence Design Systems,
                               25 August, 2003
  Description of Modification: Add make_static_sensitivity() methods to enable
                               dynamic method process creation with static 
                               sensitivity.

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

// $Log: sc_sensitive.h,v $
// Revision 1.5  2011/08/26 20:46:10  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 1.4  2011/02/18 20:27:14  acg
//  Andy Goodrich: Updated Copyrights.
//
// Revision 1.3  2011/02/13 21:47:38  acg
//  Andy Goodrich: update copyright notice.
//
// Revision 1.2  2008/05/22 17:06:26  acg
//  Andy Goodrich: updated copyright notice to include 2008.
//
// Revision 1.1.1.1  2006/12/15 20:20:05  acg
// SystemC 2.3
//
// Revision 1.4  2006/04/11 23:13:21  acg
//   Andy Goodrich: Changes for reduced reset support that only includes
//   sc_cthread, but has preliminary hooks for expanding to method and thread
//   processes also.
//
// Revision 1.3  2006/01/13 18:44:30  acg
// Added $Log to record CVS changes into the source.

// Taf!