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README.extended-preprocessor.org

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    ParsingDriver.cc 31.34 KiB
    /*
     * Copyright (C) 2003-2009 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/>.
     */
    
    #include <cstdlib>
    #include <fstream>
    #include <iostream>
    
    #include "ParsingDriver.hh"
    #include "Statement.hh"
    
    bool
    ParsingDriver::symbol_exists_and_is_not_modfile_local_or_unknown_function(const char *s)
    {
      if (!mod_file->symbol_table.exists(s))
        return false;
    
      SymbolType type = mod_file->symbol_table.getType(s);
    
      return(type != eModFileLocalVariable && type != eUnknownFunction);
    }
    
    void
    ParsingDriver::check_symbol_existence(const string &name)
    {
      if (!mod_file->symbol_table.exists(name))
        error("Unknown symbol: " + name);
    }
    
    void
    ParsingDriver::set_current_data_tree(DataTree *data_tree_arg)
    {
      data_tree = data_tree_arg;
      model_tree = dynamic_cast<ModelTree *>(data_tree_arg);
      dynamic_model = dynamic_cast<DynamicModel *>(data_tree_arg);
    }
    
    void
    ParsingDriver::reset_data_tree()
    {
      set_current_data_tree(&mod_file->expressions_tree);
    }
    
    ModFile *
    ParsingDriver::parse(istream &in, bool debug)
    {
      mod_file = new ModFile();
    
      symbol_list.clear();
    
      reset_data_tree();
      estim_params.init(*data_tree);
    
      lexer = new DynareFlex(&in);
      lexer->set_debug(debug);