src/sysc/communication/sc_signal_resolved.h

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  set forth in the SystemC Open Source License Version 2.4 (the "License");
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/*****************************************************************************

  sc_signal_resolved.h -- The resolved signal class.

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

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

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

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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#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_logic_resolve
//
//  Resolution function for sc_dt::sc_logic.
// ----------------------------------------------------------------------------

class sc_logic_resolve
{
public:

    // resolves sc_dt::sc_logic values and returns the resolved value
    static void resolve(sc_dt::sc_logic&, const sc_pvector<sc_dt::sc_logic*>&);
};


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

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

    // typedefs

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

public:

    // constructors

    sc_signal_resolved()
        : base_type( sc_gen_unique_name( "signal_resolved" ) )
        {}

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


    // destructor
    virtual ~sc_signal_resolved();


    // 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:

    sc_pvector<sc_process_b*> m_proc_vec; // processes writing to this signal
    sc_pvector<data_type*>    m_val_vec;  // new values written to this signal

private:

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

} // namespace sc_core

#endif

// Taf!

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