parse_substitution.h

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// Author(s): Wieger Wesselink
// Copyright: see the accompanying file COPYING or copy at
// https://github.com/mCRL2org/mCRL2/blob/master/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
 
#ifndef MCRL2_DATA_DETAIL_PARSE_SUBSTITUTION_H
#define MCRL2_DATA_DETAIL_PARSE_SUBSTITUTION_H
 
#include "mcrl2/data/parse.h"
 
namespace mcrl2
{
 
namespace data
{
 
namespace detail
{
 
template <typename MutableSubstitution>
void parse_substitution(std::string text, MutableSubstitution& sigma, const data_specification& data_spec = data::data_specification())
{
  text = utilities::regex_replace("^\\s*\\[", "", text);
  text = utilities::regex_replace("\\]\\s*$", "", text);
  std::cout << "text = " << text << std::endl;
  std::vector<std::string> substitutions = utilities::split(text, ";");
  for (const std::string& substitution: substitutions)
  {
    std::vector<std::string> words = utilities::regex_split(substitution, ":=");
    if (words.size() != 2)
    {
      continue;
    }
    data::variable v = data::parse_variable(words[0], data_spec);
    data::data_expression e = data::parse_data_expression(words[1], data_spec);
    sigma[v] = e;
  }
}
 
} // namespace detail
 
} // namespace data
 
} // namespace mcrl2
 
#endif // MCRL2_DATA_DETAIL_PARSE_SUBSTITUTION_H