static void
yy_symbol_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, void *scanner, struct yang_parameter *param)
{
  YYFPRINTF (yyo, "%s %s (",
             yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);

  YY_LOCATION_PRINT (yyo, *yylocationp);
  YYFPRINTF (yyo, ": ");
  yy_symbol_value_print (yyo, yytype, yyvaluep, yylocationp, scanner, param);
  YYFPRINTF (yyo, ")");
Unknown