/*
  *  MoMEMta: a modular implementation of the Matrix Element Method
  *  Copyright (C) 2016  Universite catholique de Louvain (UCL), Belgium
  *
  *  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/>.
  */
 
 #pragma once
 
 #include <memory>
 #include <string>
 
 #include <momemta/ParameterSet.h>
 
 #include <lua/utils.h>
 
 namespace lua {
 
 struct LazyTableField : public Lazy {
     std::string table_name; 
     std::string key; 
 
     virtual momemta::any operator()() const override;
 
     void ensure_created();
 
     void set(const momemta::any& value);
 
     LazyTableField(lua_State *L, const std::string& table_name, const std::string& key);
 };
 
 class LazyTable: public ParameterSet {
     friend class ConfigurationReader;
 
 public:
     LazyTable(std::shared_ptr<lua_State> L, const std::string& name);
     virtual LazyTable* clone() const override;
 
 protected:
     virtual void create(const std::string& name, const momemta::any& value) override;
     virtual void setInternal(const std::string& name, Element& element, const momemta::any& value) override;
 
     virtual bool lazy() const override;
 
     virtual void freeze() override;
 
 private:
     std::shared_ptr<lua_State> m_lua_state;
 };
 
 }