public final IterationStatementContext iterationStatement() throws RecognitionException {
		IterationStatementContext _localctx = new IterationStatementContext(_ctx, getState());
		enterRule(_localctx, 168, RULE_iterationStatement);
		int _la;
		try {
			setState(1257);
			switch ( getInterpreter().adaptivePredict(_input,129,_ctx) ) {
			case 1:
				enterOuterAlt(_localctx, 1);
				{
				setState(1215); match(While);
				setState(1216); match(LeftParen);
				setState(1217); expression(0);
				setState(1218); match(RightParen);
				setState(1219); statement();
				}
				break;

			case 2:
				enterOuterAlt(_localctx, 2);
				{
				setState(1221); match(Do);
				setState(1222); statement();
				setState(1223); match(While);
				setState(1224); match(LeftParen);
				setState(1225); expression(0);
				setState(1226); match(RightParen);
				setState(1227); match(Semi);
				}
				break;

			case 3:
				enterOuterAlt(_localctx, 3);
				{
				setState(1229); match(For);
				setState(1230); match(LeftParen);
				setState(1232);
				_la = _input.LA(1);
				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << 3) | (1L << 9) | (1L << 12) | (1L << Sizeof) | (1L << Alignof) | (1L << Generic) | (1L << LeftParen))) != 0) || ((((_la - 73)) & ~0x3f) == 0 && ((1L << (_la - 73)) & ((1L << (Plus - 73)) | (1L << (PlusPlus - 73)) | (1L << (Minus - 73)) | (1L << (MinusMinus - 73)) | (1L << (Star - 73)) | (1L << (And - 73)) | (1L << (AndAnd - 73)) | (1L << (Not - 73)) | (1L << (Tilde - 73)) | (1L << (Identifier - 73)) | (1L << (Constant - 73)) | (1L << (StringLiteral - 73)))) != 0)) {
					{
					setState(1231); expression(0);
					}
				}

				setState(1234); match(Semi);
				setState(1236);
				_la = _input.LA(1);
				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << 3) | (1L << 9) | (1L << 12) | (1L << Sizeof) | (1L << Alignof) | (1L << Generic) | (1L << LeftParen))) != 0) || ((((_la - 73)) & ~0x3f) == 0 && ((1L << (_la - 73)) & ((1L << (Plus - 73)) | (1L << (PlusPlus - 73)) | (1L << (Minus - 73)) | (1L << (MinusMinus - 73)) | (1L << (Star - 73)) | (1L << (And - 73)) | (1L << (AndAnd - 73)) | (1L << (Not - 73)) | (1L << (Tilde - 73)) | (1L << (Identifier - 73)) | (1L << (Constant - 73)) | (1L << (StringLiteral - 73)))) != 0)) {
					{
					setState(1235); expression(0);
					}
				}

				setState(1238); match(Semi);
				setState(1240);
				_la = _input.LA(1);
				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << 3) | (1L << 9) | (1L << 12) | (1L << Sizeof) | (1L << Alignof) | (1L << Generic) | (1L << LeftParen))) != 0) || ((((_la - 73)) & ~0x3f) == 0 && ((1L << (_la - 73)) & ((1L << (Plus - 73)) | (1L << (PlusPlus - 73)) | (1L << (Minus - 73)) | (1L << (MinusMinus - 73)) | (1L << (Star - 73)) | (1L << (And - 73)) | (1L << (AndAnd - 73)) | (1L << (Not - 73)) | (1L << (Tilde - 73)) | (1L << (Identifier - 73)) | (1L << (Constant - 73)) | (1L << (StringLiteral - 73)))) != 0)) {
					{
					setState(1239); expression(0);
					}
				}

				setState(1242); match(RightParen);
				setState(1243); statement();
				}
				break;

			case 4:
				enterOuterAlt(_localctx, 4);
				{
				setState(1244); match(For);
				setState(1245); match(LeftParen);
				setState(1246); declaration();
				setState(1248);
				_la = _input.LA(1);
				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << 3) | (1L << 9) | (1L << 12) | (1L << Sizeof) | (1L << Alignof) | (1L << Generic) | (1L << LeftParen))) != 0) || ((((_la - 73)) & ~0x3f) == 0 && ((1L << (_la - 73)) & ((1L << (Plus - 73)) | (1L << (PlusPlus - 73)) | (1L << (Minus - 73)) | (1L << (MinusMinus - 73)) | (1L << (Star - 73)) | (1L << (And - 73)) | (1L << (AndAnd - 73)) | (1L << (Not - 73)) | (1L << (Tilde - 73)) | (1L << (Identifier - 73)) | (1L << (Constant - 73)) | (1L << (StringLiteral - 73)))) != 0)) {
					{
					setState(1247); expression(0);
					}
				}

				setState(1250); match(Semi);
				setState(1252);
				_la = _input.LA(1);
				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << 3) | (1L << 9) | (1L << 12) | (1L << Sizeof) | (1L << Alignof) | (1L << Generic) | (1L << LeftParen))) != 0) || ((((_la - 73)) & ~0x3f) == 0 && ((1L << (_la - 73)) & ((1L << (Plus - 73)) | (1L << (PlusPlus - 73)) | (1L << (Minus - 73)) | (1L << (MinusMinus - 73)) | (1L << (Star - 73)) | (1L << (And - 73)) | (1L << (AndAnd - 73)) | (1L << (Not - 73)) | (1L << (Tilde - 73)) | (1L << (Identifier - 73)) | (1L << (Constant - 73)) | (1L << (StringLiteral - 73)))) != 0)) {
					{
					setState(1251); expression(0);
					}
				}

				setState(1254); match(RightParen);
				setState(1255); statement();
				}
				break;
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}