storage_value_information.hpp

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/*
 *
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 *
 *             ***********************************************
 *                              PandA Project
 *                     URL: http://panda.dei.polimi.it
 *                       Politecnico di Milano - DEIB
 *                        System Architectures Group
 *             ***********************************************
 *              Copyright (C) 2004-2024 Politecnico di Milano
 *
 *   This file is part of the PandA framework.
 *
 *   The PandA framework 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 STORAGE_VALUE_INFORMATION_HPP
#define STORAGE_VALUE_INFORMATION_HPP

#include "graph.hpp"

#include "custom_map.hpp"

#include "refcount.hpp"

class fu_binding;
CONSTREF_FORWARD_DECL(HLS_manager);
CONSTREF_FORWARD_DECL(OpGraph);

class StorageValueInformation
{
 protected:
   friend class values_scheme;

   unsigned int number_of_storage_values;

   CustomUnorderedMap<unsigned int, unsigned int> variable_index_map;

   CustomUnorderedMap<unsigned int, vertex> vw2vertex;

   const HLS_managerConstRef HLS_mgr;

   const unsigned int function_id;

   OpGraphConstRef data;

   Wrefcount<const fu_binding> fu;

 public:
   StorageValueInformation(const HLS_managerConstRef HLS_mgr, const unsigned int function_id);

   virtual ~StorageValueInformation();

   void Initialize();

   unsigned int get_number_of_storage_values() const;

   virtual bool is_a_storage_value(vertex curr_vertex, unsigned int var_index) = 0;

   virtual unsigned int get_storage_value_index(vertex curr_vertex, unsigned int var_index) = 0;

   unsigned int get_variable_index(unsigned int storage_value_index) const;

   int get_compatibility_weight(unsigned int storage_value_index1, unsigned int storage_value_index2) const;

   virtual void set_storage_value_index(vertex curr_state, unsigned int variable, unsigned int sv) = 0;

   bool are_value_bitsize_compatible(unsigned int storage_value_index1, unsigned int storage_value_index2) const;
};
using StorageValueInformationRef = refcount<StorageValueInformation>;
#endif