Example #1
0
        public virtual object ApplyOnce(object t, System.Func <TreeRuleReturnScope> whichRule)
        {
            if (t == null)
            {
                return(null);
            }

            try
            {
                // share TreeParser object but not parsing-related state
                state = new RecognizerSharedState();
                input = new CommonTreeNodeStream(originalAdaptor, t);
                ((CommonTreeNodeStream)input).TokenStream = originalTokenStream;
                BacktrackingLevel = 1;
                TreeRuleReturnScope r = whichRule();
                BacktrackingLevel = 0;
                if (Failed)
                {
                    return(t);
                }
                if (r != null && !t.Equals(r.Tree) && r.Tree != null)
                { // show any transformations
                    Console.Out.WriteLine(((CommonTree)t).ToStringTree() + " -> " +
                                          ((CommonTree)r.Tree).ToStringTree());
                }
                if (r != null && r.Tree != null)
                {
                    return(r.Tree);
                }
                else
                {
                    return(t);
                }
            }
            catch (RecognitionException)
            {
            }
            return(t);
        }
	private TreeRuleReturnScope<IASTNode> limitValue()
	{
		EnterRule_limitValue();
		EnterRule("limitValue", 50);
		TraceIn("limitValue", 50);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		try { DebugEnterRule(GrammarFileName, "limitValue");
		DebugLocation(363, 1);
		try
		{
			// SqlGenerator.g:364:2: ( NUM_INT | NAMED_PARAM | PARAM )
			DebugEnterAlt(1);
			// SqlGenerator.g:
			{
			DebugLocation(364, 2);
			if (input.LA(1)==NUM_INT||input.LA(1)==PARAM||input.LA(1)==NAMED_PARAM)
			{
				input.Consume();
				state.errorRecovery=false;state.failed=false;
			}
			else
			{
				if (state.backtracking>0) {state.failed=true; return retval;}
				MismatchedSetException mse = new MismatchedSetException(null,input);
				DebugRecognitionException(mse);
				throw mse;
			}


			}

		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("limitValue", 50);
			LeaveRule("limitValue", 50);
			LeaveRule_limitValue();
		}
		DebugLocation(367, 1);
		} finally { DebugExitRule(GrammarFileName, "limitValue"); }
		return retval;

	}
	private TreeRuleReturnScope<IASTNode> constant()
	{
		EnterRule_constant();
		EnterRule("constant", 38);
		TraceIn("constant", 38);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		try { DebugEnterRule(GrammarFileName, "constant");
		DebugLocation(279, 1);
		try
		{
			// SqlGenerator.g:280:2: ( NUM_DOUBLE | NUM_DECIMAL | NUM_FLOAT | NUM_INT | NUM_LONG | QUOTED_String | CONSTANT | JAVA_CONSTANT | TRUE | FALSE | IDENT )
			DebugEnterAlt(1);
			// SqlGenerator.g:
			{
			DebugLocation(280, 2);
			if (input.LA(1)==CONSTANT||input.LA(1)==FALSE||input.LA(1)==IDENT||input.LA(1)==JAVA_CONSTANT||(input.LA(1)>=NUM_DECIMAL && input.LA(1)<=NUM_LONG)||input.LA(1)==QUOTED_String||input.LA(1)==TRUE)
			{
				input.Consume();
				state.errorRecovery=false;state.failed=false;
			}
			else
			{
				if (state.backtracking>0) {state.failed=true; return retval;}
				MismatchedSetException mse = new MismatchedSetException(null,input);
				DebugRecognitionException(mse);
				throw mse;
			}


			}

		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("constant", 38);
			LeaveRule("constant", 38);
			LeaveRule_constant();
		}
		DebugLocation(291, 1);
		} finally { DebugExitRule(GrammarFileName, "constant"); }
		return retval;

	}
	public TreeRuleReturnScope<IASTNode> simpleExpr()
	{
		EnterRule_simpleExpr();
		EnterRule("simpleExpr", 37);
		TraceIn("simpleExpr", 37);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		TreeRuleReturnScope<IASTNode> c = default(TreeRuleReturnScope<IASTNode>);

		try { DebugEnterRule(GrammarFileName, "simpleExpr");
		DebugLocation(267, 1);
		try
		{
			// SqlGenerator.g:268:2: (c= constant | NULL | addrExpr | sqlToken | aggregate | methodCall | count | parameter | arithmeticExpr )
			int alt54=9;
			try { DebugEnterDecision(54, false);
			switch (input.LA(1))
			{
			case CONSTANT:
			case FALSE:
			case IDENT:
			case JAVA_CONSTANT:
			case NUM_DECIMAL:
			case NUM_DOUBLE:
			case NUM_FLOAT:
			case NUM_INT:
			case NUM_LONG:
			case QUOTED_String:
			case TRUE:
				{
				alt54 = 1;
				}
				break;
			case NULL:
				{
				alt54 = 2;
				}
				break;
			case DOT:
			case INDEX_OP:
			case ALIAS_REF:
				{
				alt54 = 3;
				}
				break;
			case SQL_TOKEN:
				{
				alt54 = 4;
				}
				break;
			case AGGREGATE:
				{
				alt54 = 5;
				}
				break;
			case METHOD_CALL:
				{
				alt54 = 6;
				}
				break;
			case COUNT:
				{
				alt54 = 7;
				}
				break;
			case PARAM:
			case NAMED_PARAM:
				{
				alt54 = 8;
				}
				break;
			case BAND:
			case BNOT:
			case BOR:
			case BXOR:
			case CASE:
			case CASE2:
			case DIV:
			case MINUS:
			case PLUS:
			case STAR:
			case UNARY_MINUS:
				{
				alt54 = 9;
				}
				break;
			default:
				{
					if (state.backtracking>0) {state.failed=true; return retval;}
					NoViableAltException nvae = new NoViableAltException("", 54, 0, input, 1);
					DebugRecognitionException(nvae);
					throw nvae;
				}
			}

			} finally { DebugExitDecision(54); }
			switch (alt54)
			{
			case 1:
				DebugEnterAlt(1);
				// SqlGenerator.g:268:4: c= constant
				{
				DebugLocation(268, 5);
				PushFollow(Follow._constant_in_simpleExpr1520);
				c=constant();
				PopFollow();
				if (state.failed) return retval;
				DebugLocation(268, 15);
				if (state.backtracking == 0)
				{
					 Out((c!=null?((IASTNode)c.Start):default(IASTNode))); 
				}

				}
				break;
			case 2:
				DebugEnterAlt(2);
				// SqlGenerator.g:269:4: NULL
				{
				DebugLocation(269, 4);
				Match(input,NULL,Follow._NULL_in_simpleExpr1527); if (state.failed) return retval;
				DebugLocation(269, 9);
				if (state.backtracking == 0)
				{
					 Out("null"); 
				}

				}
				break;
			case 3:
				DebugEnterAlt(3);
				// SqlGenerator.g:270:4: addrExpr
				{
				DebugLocation(270, 4);
				PushFollow(Follow._addrExpr_in_simpleExpr1534);
				addrExpr();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 4:
				DebugEnterAlt(4);
				// SqlGenerator.g:271:4: sqlToken
				{
				DebugLocation(271, 4);
				PushFollow(Follow._sqlToken_in_simpleExpr1539);
				sqlToken();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 5:
				DebugEnterAlt(5);
				// SqlGenerator.g:272:4: aggregate
				{
				DebugLocation(272, 4);
				PushFollow(Follow._aggregate_in_simpleExpr1544);
				aggregate();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 6:
				DebugEnterAlt(6);
				// SqlGenerator.g:273:4: methodCall
				{
				DebugLocation(273, 4);
				PushFollow(Follow._methodCall_in_simpleExpr1549);
				methodCall();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 7:
				DebugEnterAlt(7);
				// SqlGenerator.g:274:4: count
				{
				DebugLocation(274, 4);
				PushFollow(Follow._count_in_simpleExpr1554);
				count();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 8:
				DebugEnterAlt(8);
				// SqlGenerator.g:275:4: parameter
				{
				DebugLocation(275, 4);
				PushFollow(Follow._parameter_in_simpleExpr1559);
				parameter();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 9:
				DebugEnterAlt(9);
				// SqlGenerator.g:276:4: arithmeticExpr
				{
				DebugLocation(276, 4);
				PushFollow(Follow._arithmeticExpr_in_simpleExpr1564);
				arithmeticExpr();
				PopFollow();
				if (state.failed) return retval;

				}
				break;

			}
		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("simpleExpr", 37);
			LeaveRule("simpleExpr", 37);
			LeaveRule_simpleExpr();
		}
		DebugLocation(277, 1);
		} finally { DebugExitRule(GrammarFileName, "simpleExpr"); }
		return retval;

	}
	private TreeRuleReturnScope<IASTNode> expr()
	{
		EnterRule_expr();
		EnterRule("expr", 34);
		TraceIn("expr", 34);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		TreeRuleReturnScope<IASTNode> e = default(TreeRuleReturnScope<IASTNode>);

		try { DebugEnterRule(GrammarFileName, "expr");
		DebugLocation(248, 1);
		try
		{
			// SqlGenerator.g:249:2: ( simpleExpr | ^( VECTOR_EXPR (e= expr )* ) | parenSelect | ^( ANY quantified ) | ^( ALL quantified ) | ^( SOME quantified ) )
			int alt51=6;
			try { DebugEnterDecision(51, false);
			switch (input.LA(1))
			{
			case AGGREGATE:
			case BAND:
			case BNOT:
			case BOR:
			case BXOR:
			case CASE:
			case CASE2:
			case CONSTANT:
			case COUNT:
			case DIV:
			case DOT:
			case FALSE:
			case IDENT:
			case INDEX_OP:
			case JAVA_CONSTANT:
			case METHOD_CALL:
			case MINUS:
			case NULL:
			case NUM_DECIMAL:
			case NUM_DOUBLE:
			case NUM_FLOAT:
			case NUM_INT:
			case NUM_LONG:
			case PARAM:
			case PLUS:
			case QUOTED_String:
			case STAR:
			case TRUE:
			case UNARY_MINUS:
			case ALIAS_REF:
			case NAMED_PARAM:
			case SQL_TOKEN:
				{
				alt51 = 1;
				}
				break;
			case VECTOR_EXPR:
				{
				alt51 = 2;
				}
				break;
			case SELECT:
			case UNION:
				{
				alt51 = 3;
				}
				break;
			case ANY:
				{
				alt51 = 4;
				}
				break;
			case ALL:
				{
				alt51 = 5;
				}
				break;
			case SOME:
				{
				alt51 = 6;
				}
				break;
			default:
				{
					if (state.backtracking>0) {state.failed=true; return retval;}
					NoViableAltException nvae = new NoViableAltException("", 51, 0, input, 1);
					DebugRecognitionException(nvae);
					throw nvae;
				}
			}

			} finally { DebugExitDecision(51); }
			switch (alt51)
			{
			case 1:
				DebugEnterAlt(1);
				// SqlGenerator.g:249:4: simpleExpr
				{
				DebugLocation(249, 4);
				PushFollow(Follow._simpleExpr_in_expr1380);
				simpleExpr();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 2:
				DebugEnterAlt(2);
				// SqlGenerator.g:250:4: ^( VECTOR_EXPR (e= expr )* )
				{
				DebugLocation(250, 4);
				DebugLocation(250, 7);
				Match(input,VECTOR_EXPR,Follow._VECTOR_EXPR_in_expr1387); if (state.failed) return retval;

				DebugLocation(250, 19);
				if (state.backtracking == 0)
				{
					 Out("("); 
				}

				if (input.LA(1) == TokenTypes.Down)
				{
					Match(input, TokenTypes.Down, null); if (state.failed) return retval;
					DebugLocation(250, 33);
					// SqlGenerator.g:250:33: (e= expr )*
					try { DebugEnterSubRule(50);
					while (true)
					{
						int alt50=2;
						try { DebugEnterDecision(50, false);
						int LA50_1 = input.LA(1);

						if ((LA50_1==AGGREGATE||LA50_1==ALL||LA50_1==ANY||LA50_1==BAND||(LA50_1>=BNOT && LA50_1<=BOR)||(LA50_1>=BXOR && LA50_1<=CASE2)||LA50_1==CONSTANT||LA50_1==COUNT||(LA50_1>=DIV && LA50_1<=DOT)||LA50_1==FALSE||LA50_1==IDENT||LA50_1==INDEX_OP||LA50_1==JAVA_CONSTANT||LA50_1==METHOD_CALL||LA50_1==MINUS||(LA50_1>=NULL && LA50_1<=NUM_LONG)||(LA50_1>=PARAM && LA50_1<=PLUS)||LA50_1==QUOTED_String||LA50_1==SELECT||LA50_1==SOME||LA50_1==STAR||(LA50_1>=TRUE && LA50_1<=UNARY_MINUS)||LA50_1==UNION||LA50_1==VECTOR_EXPR||LA50_1==ALIAS_REF||LA50_1==NAMED_PARAM||LA50_1==SQL_TOKEN))
						{
							alt50 = 1;
						}


						} finally { DebugExitDecision(50); }
						switch ( alt50 )
						{
						case 1:
							DebugEnterAlt(1);
							// SqlGenerator.g:250:34: e= expr
							{
							DebugLocation(250, 35);
							PushFollow(Follow._expr_in_expr1394);
							e=expr();
							PopFollow();
							if (state.failed) return retval;
							DebugLocation(250, 41);
							if (state.backtracking == 0)
							{
								 Separator((e!=null?((IASTNode)e.Start):default(IASTNode))," , "); 
							}

							}
							break;

						default:
							goto loop50;
						}
					}

					loop50:
						;

					} finally { DebugExitSubRule(50); }

					DebugLocation(250, 76);
					if (state.backtracking == 0)
					{
						 Out(")"); 
					}

					Match(input, TokenTypes.Up, null); if (state.failed) return retval;
				}


				}
				break;
			case 3:
				DebugEnterAlt(3);
				// SqlGenerator.g:251:4: parenSelect
				{
				DebugLocation(251, 4);
				PushFollow(Follow._parenSelect_in_expr1409);
				parenSelect();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 4:
				DebugEnterAlt(4);
				// SqlGenerator.g:252:4: ^( ANY quantified )
				{
				DebugLocation(252, 4);
				DebugLocation(252, 6);
				Match(input,ANY,Follow._ANY_in_expr1415); if (state.failed) return retval;

				DebugLocation(252, 10);
				if (state.backtracking == 0)
				{
					 Out("any "); 
				}

				Match(input, TokenTypes.Down, null); if (state.failed) return retval;
				DebugLocation(252, 27);
				PushFollow(Follow._quantified_in_expr1419);
				quantified();
				PopFollow();
				if (state.failed) return retval;

				Match(input, TokenTypes.Up, null); if (state.failed) return retval;


				}
				break;
			case 5:
				DebugEnterAlt(5);
				// SqlGenerator.g:253:4: ^( ALL quantified )
				{
				DebugLocation(253, 4);
				DebugLocation(253, 6);
				Match(input,ALL,Follow._ALL_in_expr1427); if (state.failed) return retval;

				DebugLocation(253, 10);
				if (state.backtracking == 0)
				{
					 Out("all "); 
				}

				Match(input, TokenTypes.Down, null); if (state.failed) return retval;
				DebugLocation(253, 27);
				PushFollow(Follow._quantified_in_expr1431);
				quantified();
				PopFollow();
				if (state.failed) return retval;

				Match(input, TokenTypes.Up, null); if (state.failed) return retval;


				}
				break;
			case 6:
				DebugEnterAlt(6);
				// SqlGenerator.g:254:4: ^( SOME quantified )
				{
				DebugLocation(254, 4);
				DebugLocation(254, 6);
				Match(input,SOME,Follow._SOME_in_expr1439); if (state.failed) return retval;

				DebugLocation(254, 11);
				if (state.backtracking == 0)
				{
					 Out("some "); 
				}

				Match(input, TokenTypes.Down, null); if (state.failed) return retval;
				DebugLocation(254, 29);
				PushFollow(Follow._quantified_in_expr1443);
				quantified();
				PopFollow();
				if (state.failed) return retval;

				Match(input, TokenTypes.Up, null); if (state.failed) return retval;


				}
				break;

			}
		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("expr", 34);
			LeaveRule("expr", 34);
			LeaveRule_expr();
		}
		DebugLocation(255, 1);
		} finally { DebugExitRule(GrammarFileName, "expr"); }
		return retval;

	}
	private TreeRuleReturnScope<IASTNode> selectAtom()
	{
		EnterRule_selectAtom();
		EnterRule("selectAtom", 22);
		TraceIn("selectAtom", 22);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		try { DebugEnterRule(GrammarFileName, "selectAtom");
		DebugLocation(165, 1);
		try
		{
			// SqlGenerator.g:166:2: ( ^( DOT ( . )* ) | ^( SQL_TOKEN ( . )* ) | ^( ALIAS_REF ( . )* ) | ^( SELECT_EXPR ( . )* ) )
			int alt34=4;
			try { DebugEnterDecision(34, false);
			switch (input.LA(1))
			{
			case DOT:
				{
				alt34 = 1;
				}
				break;
			case SQL_TOKEN:
				{
				alt34 = 2;
				}
				break;
			case ALIAS_REF:
				{
				alt34 = 3;
				}
				break;
			case SELECT_EXPR:
				{
				alt34 = 4;
				}
				break;
			default:
				{
					if (state.backtracking>0) {state.failed=true; return retval;}
					NoViableAltException nvae = new NoViableAltException("", 34, 0, input, 1);
					DebugRecognitionException(nvae);
					throw nvae;
				}
			}

			} finally { DebugExitDecision(34); }
			switch (alt34)
			{
			case 1:
				DebugEnterAlt(1);
				// SqlGenerator.g:166:4: ^( DOT ( . )* )
				{
				DebugLocation(166, 4);
				DebugLocation(166, 6);
				Match(input,DOT,Follow._DOT_in_selectAtom792); if (state.failed) return retval;

				if (input.LA(1) == TokenTypes.Down)
				{
					Match(input, TokenTypes.Down, null); if (state.failed) return retval;
					DebugLocation(166, 10);
					// SqlGenerator.g:166:10: ( . )*
					try { DebugEnterSubRule(30);
					while (true)
					{
						int alt30=2;
						try { DebugEnterDecision(30, false);
						int LA30_1 = input.LA(1);

						if (((LA30_1>=AGGREGATE && LA30_1<=THETA_JOINS)))
						{
							alt30 = 1;
						}
						else if ((LA30_1==UP))
						{
							alt30 = 2;
						}


						} finally { DebugExitDecision(30); }
						switch ( alt30 )
						{
						case 1:
							DebugEnterAlt(1);
							// SqlGenerator.g:166:10: .
							{
							DebugLocation(166, 10);
							MatchAny(input); if (state.failed) return retval;

							}
							break;

						default:
							goto loop30;
						}
					}

					loop30:
						;

					} finally { DebugExitSubRule(30); }


					Match(input, TokenTypes.Up, null); if (state.failed) return retval;
				}


				}
				break;
			case 2:
				DebugEnterAlt(2);
				// SqlGenerator.g:167:4: ^( SQL_TOKEN ( . )* )
				{
				DebugLocation(167, 4);
				DebugLocation(167, 6);
				Match(input,SQL_TOKEN,Follow._SQL_TOKEN_in_selectAtom802); if (state.failed) return retval;

				if (input.LA(1) == TokenTypes.Down)
				{
					Match(input, TokenTypes.Down, null); if (state.failed) return retval;
					DebugLocation(167, 16);
					// SqlGenerator.g:167:16: ( . )*
					try { DebugEnterSubRule(31);
					while (true)
					{
						int alt31=2;
						try { DebugEnterDecision(31, false);
						int LA31_1 = input.LA(1);

						if (((LA31_1>=AGGREGATE && LA31_1<=THETA_JOINS)))
						{
							alt31 = 1;
						}
						else if ((LA31_1==UP))
						{
							alt31 = 2;
						}


						} finally { DebugExitDecision(31); }
						switch ( alt31 )
						{
						case 1:
							DebugEnterAlt(1);
							// SqlGenerator.g:167:16: .
							{
							DebugLocation(167, 16);
							MatchAny(input); if (state.failed) return retval;

							}
							break;

						default:
							goto loop31;
						}
					}

					loop31:
						;

					} finally { DebugExitSubRule(31); }


					Match(input, TokenTypes.Up, null); if (state.failed) return retval;
				}


				}
				break;
			case 3:
				DebugEnterAlt(3);
				// SqlGenerator.g:168:4: ^( ALIAS_REF ( . )* )
				{
				DebugLocation(168, 4);
				DebugLocation(168, 6);
				Match(input,ALIAS_REF,Follow._ALIAS_REF_in_selectAtom812); if (state.failed) return retval;

				if (input.LA(1) == TokenTypes.Down)
				{
					Match(input, TokenTypes.Down, null); if (state.failed) return retval;
					DebugLocation(168, 16);
					// SqlGenerator.g:168:16: ( . )*
					try { DebugEnterSubRule(32);
					while (true)
					{
						int alt32=2;
						try { DebugEnterDecision(32, false);
						int LA32_1 = input.LA(1);

						if (((LA32_1>=AGGREGATE && LA32_1<=THETA_JOINS)))
						{
							alt32 = 1;
						}
						else if ((LA32_1==UP))
						{
							alt32 = 2;
						}


						} finally { DebugExitDecision(32); }
						switch ( alt32 )
						{
						case 1:
							DebugEnterAlt(1);
							// SqlGenerator.g:168:16: .
							{
							DebugLocation(168, 16);
							MatchAny(input); if (state.failed) return retval;

							}
							break;

						default:
							goto loop32;
						}
					}

					loop32:
						;

					} finally { DebugExitSubRule(32); }


					Match(input, TokenTypes.Up, null); if (state.failed) return retval;
				}


				}
				break;
			case 4:
				DebugEnterAlt(4);
				// SqlGenerator.g:169:4: ^( SELECT_EXPR ( . )* )
				{
				DebugLocation(169, 4);
				DebugLocation(169, 6);
				Match(input,SELECT_EXPR,Follow._SELECT_EXPR_in_selectAtom822); if (state.failed) return retval;

				if (input.LA(1) == TokenTypes.Down)
				{
					Match(input, TokenTypes.Down, null); if (state.failed) return retval;
					DebugLocation(169, 18);
					// SqlGenerator.g:169:18: ( . )*
					try { DebugEnterSubRule(33);
					while (true)
					{
						int alt33=2;
						try { DebugEnterDecision(33, false);
						int LA33_1 = input.LA(1);

						if (((LA33_1>=AGGREGATE && LA33_1<=THETA_JOINS)))
						{
							alt33 = 1;
						}
						else if ((LA33_1==UP))
						{
							alt33 = 2;
						}


						} finally { DebugExitDecision(33); }
						switch ( alt33 )
						{
						case 1:
							DebugEnterAlt(1);
							// SqlGenerator.g:169:18: .
							{
							DebugLocation(169, 18);
							MatchAny(input); if (state.failed) return retval;

							}
							break;

						default:
							goto loop33;
						}
					}

					loop33:
						;

					} finally { DebugExitSubRule(33); }


					Match(input, TokenTypes.Up, null); if (state.failed) return retval;
				}


				}
				break;

			}
		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("selectAtom", 22);
			LeaveRule("selectAtom", 22);
			LeaveRule_selectAtom();
		}
		DebugLocation(170, 1);
		} finally { DebugExitRule(GrammarFileName, "selectAtom"); }
		return retval;

	}
	private TreeRuleReturnScope<IASTNode> selectExpr()
	{
		EnterRule_selectExpr();
		EnterRule("selectExpr", 18);
		TraceIn("selectExpr", 18);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		TreeRuleReturnScope<IASTNode> e = default(TreeRuleReturnScope<IASTNode>);
		TreeRuleReturnScope<IASTNode> c = default(TreeRuleReturnScope<IASTNode>);

		try { DebugEnterRule(GrammarFileName, "selectExpr");
		DebugLocation(136, 1);
		try
		{
			// SqlGenerator.g:137:2: (e= selectAtom | count | ^( CONSTRUCTOR ( DOT | IDENT ) ( selectColumn )+ ) | methodCall | aggregate |c= constant | arithmeticExpr | parameter | selectStatement )
			int alt25=9;
			try { DebugEnterDecision(25, false);
			switch (input.LA(1))
			{
			case DOT:
			case ALIAS_REF:
			case SELECT_EXPR:
			case SQL_TOKEN:
				{
				alt25 = 1;
				}
				break;
			case COUNT:
				{
				alt25 = 2;
				}
				break;
			case CONSTRUCTOR:
				{
				alt25 = 3;
				}
				break;
			case METHOD_CALL:
				{
				alt25 = 4;
				}
				break;
			case AGGREGATE:
				{
				alt25 = 5;
				}
				break;
			case CONSTANT:
			case FALSE:
			case IDENT:
			case JAVA_CONSTANT:
			case NUM_DECIMAL:
			case NUM_DOUBLE:
			case NUM_FLOAT:
			case NUM_INT:
			case NUM_LONG:
			case QUOTED_String:
			case TRUE:
				{
				alt25 = 6;
				}
				break;
			case BAND:
			case BNOT:
			case BOR:
			case BXOR:
			case CASE:
			case CASE2:
			case DIV:
			case MINUS:
			case PLUS:
			case STAR:
			case UNARY_MINUS:
				{
				alt25 = 7;
				}
				break;
			case PARAM:
			case NAMED_PARAM:
				{
				alt25 = 8;
				}
				break;
			case SELECT:
				{
				alt25 = 9;
				}
				break;
			default:
				{
					if (state.backtracking>0) {state.failed=true; return retval;}
					NoViableAltException nvae = new NoViableAltException("", 25, 0, input, 1);
					DebugRecognitionException(nvae);
					throw nvae;
				}
			}

			} finally { DebugExitDecision(25); }
			switch (alt25)
			{
			case 1:
				DebugEnterAlt(1);
				// SqlGenerator.g:137:4: e= selectAtom
				{
				DebugLocation(137, 5);
				PushFollow(Follow._selectAtom_in_selectExpr636);
				e=selectAtom();
				PopFollow();
				if (state.failed) return retval;
				DebugLocation(137, 17);
				if (state.backtracking == 0)
				{
					 Out((e!=null?((IASTNode)e.Start):default(IASTNode))); 
				}

				}
				break;
			case 2:
				DebugEnterAlt(2);
				// SqlGenerator.g:138:4: count
				{
				DebugLocation(138, 4);
				PushFollow(Follow._count_in_selectExpr643);
				count();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 3:
				DebugEnterAlt(3);
				// SqlGenerator.g:139:4: ^( CONSTRUCTOR ( DOT | IDENT ) ( selectColumn )+ )
				{
				DebugLocation(139, 4);
				DebugLocation(139, 6);
				Match(input,CONSTRUCTOR,Follow._CONSTRUCTOR_in_selectExpr649); if (state.failed) return retval;

				Match(input, TokenTypes.Down, null); if (state.failed) return retval;
				DebugLocation(139, 18);
				if (input.LA(1)==DOT||input.LA(1)==IDENT)
				{
					input.Consume();
					state.errorRecovery=false;state.failed=false;
				}
				else
				{
					if (state.backtracking>0) {state.failed=true; return retval;}
					MismatchedSetException mse = new MismatchedSetException(null,input);
					DebugRecognitionException(mse);
					throw mse;
				}

				DebugLocation(139, 32);
				// SqlGenerator.g:139:32: ( selectColumn )+
				int cnt24=0;
				try { DebugEnterSubRule(24);
				while (true)
				{
					int alt24=2;
					try { DebugEnterDecision(24, false);
					int LA24_1 = input.LA(1);

					if ((LA24_1==AGGREGATE||LA24_1==BAND||(LA24_1>=BNOT && LA24_1<=BOR)||(LA24_1>=BXOR && LA24_1<=CASE2)||(LA24_1>=CONSTANT && LA24_1<=COUNT)||(LA24_1>=DIV && LA24_1<=DOT)||LA24_1==FALSE||LA24_1==IDENT||LA24_1==JAVA_CONSTANT||LA24_1==METHOD_CALL||LA24_1==MINUS||(LA24_1>=NUM_DECIMAL && LA24_1<=NUM_LONG)||(LA24_1>=PARAM && LA24_1<=PLUS)||LA24_1==QUOTED_String||LA24_1==SELECT||LA24_1==STAR||(LA24_1>=TRUE && LA24_1<=UNARY_MINUS)||LA24_1==ALIAS_REF||LA24_1==NAMED_PARAM||(LA24_1>=SELECT_EXPR && LA24_1<=SQL_TOKEN)))
					{
						alt24 = 1;
					}


					} finally { DebugExitDecision(24); }
					switch (alt24)
					{
					case 1:
						DebugEnterAlt(1);
						// SqlGenerator.g:139:34: selectColumn
						{
						DebugLocation(139, 34);
						PushFollow(Follow._selectColumn_in_selectExpr661);
						selectColumn();
						PopFollow();
						if (state.failed) return retval;

						}
						break;

					default:
						if (cnt24 >= 1)
							goto loop24;

						if (state.backtracking>0) {state.failed=true; return retval;}
						EarlyExitException eee24 = new EarlyExitException( 24, input );
						DebugRecognitionException(eee24);
						throw eee24;
					}
					cnt24++;
				}
				loop24:
					;

				} finally { DebugExitSubRule(24); }


				Match(input, TokenTypes.Up, null); if (state.failed) return retval;


				}
				break;
			case 4:
				DebugEnterAlt(4);
				// SqlGenerator.g:140:4: methodCall
				{
				DebugLocation(140, 4);
				PushFollow(Follow._methodCall_in_selectExpr671);
				methodCall();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 5:
				DebugEnterAlt(5);
				// SqlGenerator.g:141:4: aggregate
				{
				DebugLocation(141, 4);
				PushFollow(Follow._aggregate_in_selectExpr676);
				aggregate();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 6:
				DebugEnterAlt(6);
				// SqlGenerator.g:142:4: c= constant
				{
				DebugLocation(142, 5);
				PushFollow(Follow._constant_in_selectExpr683);
				c=constant();
				PopFollow();
				if (state.failed) return retval;
				DebugLocation(142, 15);
				if (state.backtracking == 0)
				{
					 Out((c!=null?((IASTNode)c.Start):default(IASTNode))); 
				}

				}
				break;
			case 7:
				DebugEnterAlt(7);
				// SqlGenerator.g:143:4: arithmeticExpr
				{
				DebugLocation(143, 4);
				PushFollow(Follow._arithmeticExpr_in_selectExpr690);
				arithmeticExpr();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 8:
				DebugEnterAlt(8);
				// SqlGenerator.g:144:4: parameter
				{
				DebugLocation(144, 4);
				PushFollow(Follow._parameter_in_selectExpr695);
				parameter();
				PopFollow();
				if (state.failed) return retval;

				}
				break;
			case 9:
				DebugEnterAlt(9);
				// SqlGenerator.g:147:4: selectStatement
				{
				DebugLocation(147, 4);
				if (state.backtracking == 0)
				{
					 Out("("); 
				}
				DebugLocation(147, 18);
				PushFollow(Follow._selectStatement_in_selectExpr704);
				selectStatement();
				PopFollow();
				if (state.failed) return retval;
				DebugLocation(147, 34);
				if (state.backtracking == 0)
				{
					 Out(")"); 
				}

				}
				break;

			}
		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("selectExpr", 18);
			LeaveRule("selectExpr", 18);
			LeaveRule_selectExpr();
		}
		DebugLocation(148, 1);
		} finally { DebugExitRule(GrammarFileName, "selectExpr"); }
		return retval;

	}
	private TreeRuleReturnScope<IASTNode> orderDirection()
	{
		EnterRule_orderDirection();
		EnterRule("orderDirection", 11);
		TraceIn("orderDirection", 11);
		TreeRuleReturnScope<IASTNode> retval = new TreeRuleReturnScope<IASTNode>();
		retval.Start = (IASTNode)input.LT(1);

		try { DebugEnterRule(GrammarFileName, "orderDirection");
		DebugLocation(99, 1);
		try
		{
			// SqlGenerator.g:100:2: ( ASCENDING | DESCENDING )
			DebugEnterAlt(1);
			// SqlGenerator.g:
			{
			DebugLocation(100, 2);
			if (input.LA(1)==ASCENDING||input.LA(1)==DESCENDING)
			{
				input.Consume();
				state.errorRecovery=false;state.failed=false;
			}
			else
			{
				if (state.backtracking>0) {state.failed=true; return retval;}
				MismatchedSetException mse = new MismatchedSetException(null,input);
				DebugRecognitionException(mse);
				throw mse;
			}


			}

		}
		catch (RecognitionException re)
		{
			ReportError(re);
			Recover(input,re);
		}
		finally
		{
			TraceOut("orderDirection", 11);
			LeaveRule("orderDirection", 11);
			LeaveRule_orderDirection();
		}
		DebugLocation(102, 1);
		} finally { DebugExitRule(GrammarFileName, "orderDirection"); }
		return retval;

	}