torc/packer/Unpacker.hpp

// Torc - Copyright 2011 University of Southern California.  All Rights Reserved.
// $HeadURL: https://torc-isi.svn.sourceforge.net/svnroot/torc-isi/branches/staging/0.9/src/torc/packer/Unpacker.hpp $
// $Id: Unpacker.hpp 10 2011-10-12 18:40:16Z nsteiner $

// 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 3 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, see <http://www.gnu.org/licenses/>.

#ifndef TORC_PACKER_UNPACKER_HPP
#define TORC_PACKER_UNPACKER_HPP

#include "torc/physical/Design.hpp"
#include "torc/physical/Instance.hpp"
#include "torc/physical/ConfigMap.hpp"
#include "torc/architecture/DDB.hpp"
#include "PrimitiveStructure.hpp"
#include <boost/smart_ptr.hpp>
#include <iostream>
#include <string>
#include <map>

namespace torc {
namespace packer {

    namespace packer { class UnpackerUnitTest; }

    class Unpacker {
        
    protected:
        /// \brief Our unit test class has access to our internals.            
                friend class torc::packer::packer::UnpackerUnitTest;

        // types
        /// \brief Imported type name
        typedef std::string string;
        /// \brief Imported type name 
        typedef torc::physical::DesignSharedPtr DesignSharedPtr;
        typedef torc::physical::InstanceSharedPtrVector InstanceSharedPtrVector;
        typedef torc::physical::Circuit::InstanceSharedPtrConstIterator 
        InstanceSharedPtrConstIterator; 
        typedef torc::architecture::DDB DDB;
        typedef torc::physical::ConfigMap ConfigMap;
        /// \brief Map of PrimitiveStructure Shared Pointers.               
        typedef std::map<std::string, PrimitiveStructureSharedPtr> 
        PrimitiveStructuresSharedPtrMap;
                /// \brief Vector of Primitive Element Pin Pointers.               
        typedef std::vector<const torc::architecture::PrimitiveElementPin*>
                PrimitiveElementPinPtrVector;
        /// \brief Map of Candidate Nets
        typedef std::map<const torc::architecture::PrimitiveElementPin*,
                 PrimitiveElementPinPtrVector> CandidateNet;
        /// \brief Map of Primitive Element Name to Primitive Element.               
        typedef std::map<std::string, const PrimitiveStructure::PrimitiveElement*> 
        NameToElementPtrMap;
        /// \brief Map of Primitive Element Pointer to Instance Shared Pointer.
        typedef std::map<const torc::architecture::PrimitiveElement*,
                 torc::physical::InstanceSharedPtr> ElementPtrToInstancePtrMap;

                //members
        PrimitiveStructuresSharedPtrMap mPrimitiveStructures;
        InstanceSharedPtrVector mInstances;
        DesignSharedPtr mDesignPtr;
        DDB* mDDBPtr;

                /// \brief Initialize this object based on the PrimitiveDef information.     
                virtual void initialize(void);
        /// \brief Default unpack function.         
        void unpack(void);              
                /// \brief Unpack function that takes Instance iterators as input.          
        void unpack(InstanceSharedPtrConstIterator inBegin, InstanceSharedPtrConstIterator inEnd);
        /// \brief Function to find the next element.
        bool findNextElement(const PrimitiveStructure& inPrimitiveStructure,
                     const torc::architecture::PrimitiveElement& element,
                     torc::physical::InstanceSharedPtr& inInstancePtr,
                     NameToElementPtrMap& inUsedElements, 
                     std::vector<std::string> inInstanceInputPins, 
                     CandidateNet& inElementPinsForNet,
                     const torc::architecture::PrimitiveElementPin*
                     &outNetSourcePin,
                     std::vector<torc::physical::InstanceSharedPtr>
                     &outNewInstances,
                     ElementPtrToInstancePtrMap &elementToInstanceMap);
    
    public:
        //constructors
        Unpacker(DesignSharedPtr& inDesignPtr) : mDesignPtr(inDesignPtr), mDDBPtr(0) {
                        initialize();
                }

                /// \brief Virtual destructor.                                       
                virtual ~Unpacker(void) {}
    
};

} // namespace packer
} // namespace torc

#endif // TORC_PACKER_UNPACKER_HPP

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