Method GetStr

src/parse/parser.cpp:40–46

           (c >= 'A' && c <= 'Z') || c == '_';
  }
  std::string GetStr(std::string key) const {
    auto type = var_.GetTypeName(key);
    if (type != "") {
      return var_.GetStr(type, key);
    }
    fassert(false, "undefined variable '" + key + "'");
  }
  std::string ExpandVariables(std::string str) const {
    enum class S {
      normal,