private final char parseSet ( String rule , ParsePosition pos ) { UnicodeSet set = new UnicodeSet ( rule , pos , parseData ) ; if ( variableNext >= variableLimit ) { throw new RuntimeException ( "Private use variables exhausted" ) ; } set . compact ( ) ; return generateStandInFor ( set ) ; }
Parse a UnicodeSet out store it and return the stand - in character used to represent it .