object.hxx

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/*
 *   anvil
 *   Copyright (C) 2007    Karl W. Pfalzer
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation; either version 2
 *   of the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the
 *   Free Software Foundation, Inc.
 *   51 Franklin Street, Fifth Floor
 *   Boston, MA  02110-1301, USA.
 */
#if !defined(_anvil_object_hxx_)
#    define  _anvil_object_hxx_

extern "C"
{
#include "vpi_user.h"
}
#include <string>
#include "xyzzy/portable.hxx"
#include "xyzzy/slist.hxx"
#include "xyzzy/refcnt.hxx"

namespace anvil
{

using namespace xyzzy;

inline
size_t 
numVecVal(unsigned nbits)   //how many s_vpi_value for nbits
{
    return (0 == nbits) ? 1 : ((nbits - 1)/32 + 1);
}

class TType : public TRcObj
{
public:
    explicit TType(const vpiHandle hnd);

    size_t getSize() const;

    // Return string representation
    static std::string toString(const s_vpi_vecval *pv, int m_numBits);

    static TUint64 time64(const s_vpi_time &tim);

    const int   m_type;
    const int   m_numBits;

    virtual ~TType();
};

typedef PTRcObjPtr<TType>   TRcType;

class TObject : public TRcObj
{
public:
    explicit TObject(const vpiHandle hnd);

    const TType& getType() const {return m_type;}

    const vpiHandle& getHandle() const {return m_hnd;}

    const char* getName() const;

    // Get size to hold data and (local) name
    size_t getSize(bool doName = true) const;

    virtual bool isInput() const = 0;

    virtual ~TObject();

private:
    const vpiHandle m_hnd;
    const TType     m_type;
};

typedef PTRcObjPtr<TObject> TRcObject;

class TDutInput : public TObject
{
public:
    explicit TDutInput(const vpiHandle hnd);

    virtual bool isInput() const {return true;}

    virtual ~TDutInput();
};

class TDutOutput : public TObject
{
public:
    explicit TDutOutput(const vpiHandle hnd);

    virtual bool isInput() const {return false;}

    virtual ~TDutOutput();
};

class TObjectSet : public TRcObj
{
public:
    explicit TObjectSet();

    // Determine how many bytes needed to flatten entire structure.
    // This info will be used to construct shared memory area.
    size_t getRequiredSize();

    PTSlist<TRcObject>& getItems() {return m_objs;}

    void append(TRcObject obj);

    virtual ~TObjectSet();

private:
    PTSlist<TRcObject>  m_objs;
};

typedef PTRcObjPtr<TObjectSet>  TRcObjectSet;

};

#endif //_anvil_object_hxx_

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