public final UnaryExpressionContext unaryExpression() throws RecognitionException {
		UnaryExpressionContext _localctx = new UnaryExpressionContext(_ctx, getState());
		enterRule(_localctx, 20, RULE_unaryExpression);
		try {
			setState(356);
			switch ( getInterpreter().adaptivePredict(_input,10,_ctx) ) {
			case 1:
				enterOuterAlt(_localctx, 1);
				{
				isFirst=true;
				setState(333); postfixExpression(0);
				}
				break;

			case 2:
				enterOuterAlt(_localctx, 2);
				{
				setState(334); moreLessMethodExpression();
				}
				break;

			case 3:
				enterOuterAlt(_localctx, 3);
				{
				setState(335); match(PlusPlus);
				setState(336); unaryExpression();
				}
				break;

			case 4:
				enterOuterAlt(_localctx, 4);
				{
				setState(337); match(MinusMinus);
				setState(338); unaryExpression();
				}
				break;

			case 5:
				enterOuterAlt(_localctx, 5);
				{
				setState(339); unaryOperator();
				setState(340); castExpression();
				}
				break;

			case 6:
				enterOuterAlt(_localctx, 6);
				{
				setState(342); match(Sizeof);
				setState(343); unaryExpression();
				}
				break;

			case 7:
				enterOuterAlt(_localctx, 7);
				{
				setState(344); match(Sizeof);
				setState(345); match(LeftParen);
				setState(346); typeName();
				setState(347); match(RightParen);
				}
				break;

			case 8:
				enterOuterAlt(_localctx, 8);
				{
				setState(349); match(Alignof);
				setState(350); match(LeftParen);
				setState(351); typeName();
				setState(352); match(RightParen);
				}
				break;

			case 9:
				enterOuterAlt(_localctx, 9);
				{
				setState(354); match(AndAnd);
				setState(355); match(Identifier);
				}
				break;
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}