Function TokenToString

contrib/libs/flatbuffers/src/idl_parser.cpp:182–199

};

static std::string TokenToString(int t) {
  static const char * const tokens[] = {
    #define FLATBUFFERS_TOKEN(NAME, VALUE, STRING) STRING,
      FLATBUFFERS_GEN_TOKENS(FLATBUFFERS_TOKEN)
    #undef FLATBUFFERS_TOKEN
    #define FLATBUFFERS_TD(ENUM, IDLTYPE, ...) \
      IDLTYPE,
      FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
    #undef FLATBUFFERS_TD
  };
  if (t < 256) {  // A single ascii char token.
    std::string s;
    s.append(1, static_cast<char>(t));
    return s;
  } else {       // Other tokens.
    return tokens[t - 256];
  }
}
// clang-format on

static bool IsIdentifierStart(char c) { return is_alpha(c) || (c == '_'); }