NumericalInitialization.hh

/*
 * Copyright (C) 2003-2012 Dynare Team
 *
 * This file is part of Dynare.
 *
 * Dynare 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.
 *
 * Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _NUMERICALINITIALIZATION_HH
#define _NUMERICALINITIALIZATION_HH

using namespace std;

#include <string>
#include <vector>
#include <map>

#include "SymbolTable.hh"
#include "ExprNode.hh"
#include "Statement.hh"

class InitParamStatement : public Statement
{
private:
  const int symb_id;
  const expr_t param_value;
  const SymbolTable &symbol_table;
public:
  InitParamStatement(int symb_id_arg, const expr_t param_value_arg,
                     const SymbolTable &symbol_table_arg);
  virtual void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings);
  virtual void writeOutput(ostream &output, const string &basename) const;
  //! Fill eval context with parameter value
  void fillEvalContext(eval_context_t &eval_context) const;
};

class InitOrEndValStatement : public Statement
{
public:
  /*!
    We use a vector instead of a map, since the order of declaration matters:
    an initialization can depend on a previously initialized variable inside the block
  */
  typedef vector<pair<int, expr_t> > init_values_t;
protected:
  const init_values_t init_values;
  const SymbolTable &symbol_table;
  const bool all_values_required;
public:
  InitOrEndValStatement(const init_values_t &init_values_arg,
                        const SymbolTable &symbol_table_arg,
                        const bool &all_values_required_arg);
  //! Return set of unused variables by type
  set<int> getUninitializedVariables(SymbolType type);
  //! Fill eval context with variables values
  void fillEvalContext(eval_context_t &eval_context) const;
protected:
  void writeInitValues(ostream &output) const;
};