# include "y2.h" 

void cpyunion( )
{
  /* copy the union declaration to the output, and the define file if present */

  int level,
      c;
  fprintf( ftable, "\n# line %d\n", lineno );
  fprintf( ftable, "\n#define UNION 1\n" );
  fprintf( ftable, "typedef union " );
  if ( fdefine )
    fprintf( fdefine, "\ntypedef union " );

  level = 0;
  for ( ; ; )
    {
      if ( ( c = unix_getc( finput ) ) < 0 )
        error( "EOF encountered while processing %%union" );
      putc( c, ftable );
      if ( fdefine )
        putc( c, fdefine );

      switch ( c )
        {

          case '\n' :
            ++lineno;
            break ;

          case '{' :
            ++level;
            break ;

          case '}' :
            --level;
            if ( level == 0 )
              {
                /* we are finished copying */
                fprintf( ftable, " YYSTYPE;\n" );
                if ( fdefine )
                  fprintf( fdefine,
                           " YYSTYPE;\nextern YYSTYPE yylval;\n" );
                return;
              }
        }
    }
}