protected boolean isReserved ( String name ) { if ( functions . isFunctionName ( name ) ) return true ; for ( int i = 0 ; i < name . length ( ) ; i ++ ) { if ( ! isLetter ( name . charAt ( i ) ) ) return true ; } return false ; }
Returns true if the specified name is NOT allowed . It isn t allowed if it matches a built in operator or if it contains a restricted character .