public final EnumeratorContext enumerator() throws RecognitionException {
		EnumeratorContext _localctx = new EnumeratorContext(_ctx, getState());
		enterRule(_localctx, 90, RULE_enumerator);
		try {
			setState(717);
			switch ( getInterpreter().adaptivePredict(_input,53,_ctx) ) {
			case 1:
				enterOuterAlt(_localctx, 1);
				{
				setState(712); enumerationConstant();
				}
				break;

			case 2:
				enterOuterAlt(_localctx, 2);
				{
				setState(713); enumerationConstant();
				setState(714); match(Assign);
				setState(715); constantExpression();
				}
				break;
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}