oagFpgaMultiRef.h

Go to the documentation of this file.

#if !defined(oagFpgaMultiRef_P)
#define oagFpgaMultiRef_P

#include "oaDesignDB.h"
#include "oagFpgaRtlGraph.h"
#include <list>
#include <map>

using namespace std;

namespace oagFpga {

// *****************************************************************************
// Type definitions for various Verilog objects.
// *****************************************************************************

typedef enum {BBREF, NET, NEITHER}  MultiRefType;
typedef list<class MultiRef>        MultiRefBus;

// *****************************************************************************
// MultiRef
//
// *****************************************************************************

class MultiRef {

  public:
  
    MultiRefType            type;

    union {
      oa::oaModBitNet        *net;
      BBRef                   bb;
    };    

    MultiRef()                      { type = NEITHER; }
    MultiRef(oa::oaModBitNet *n)    { net = n; type = NET; }
    MultiRef(BBRef b)               { bb = b; type = BBREF; }
    MultiRef(const MultiRef &e)     { memcpy(this, &e, sizeof(MultiRef)); }
  
    MultiRef& operator=(const MultiRef &e)  { memcpy(this, &e, sizeof(MultiRef)); return *this; }
    bool operator==(const MultiRef &e) { 
        if (type != e.type) return false; 
        else if (type == NEITHER) return true; 
        else if (type == NET) return net == e.net; 
        else return bb == e.bb; 
    }
    
};

}

#endif

---