All Superinterfaces:

org.antlr.v4.runtime.tree.ParseTreeListener

All Known Implementing Classes:

QDLDebugListener, QDLListener, QDLParserBaseListener
```
public interface QDLParserListener
extends org.antlr.v4.runtime.tree.ParseTreeListener
```
This interface defines a complete listener for a parse tree produced by QDLParserParser.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`enterAddExpression(QDLParserParser.AddExpressionContext ctx)`	Enter a parse tree produced by the `addExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterAltIFExpression(QDLParserParser.AltIFExpressionContext ctx)`	Enter a parse tree produced by the `altIFExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterAndExpression(QDLParserParser.AndExpressionContext ctx)`	Enter a parse tree produced by the `andExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterAppliesOperator(QDLParserParser.AppliesOperatorContext ctx)`	Enter a parse tree produced by the `appliesOperator` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterAssertStatement(QDLParserParser.AssertStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.assertStatement()`.
`void`	`enterAssertStatement2(QDLParserParser.AssertStatement2Context ctx)`	Enter a parse tree produced by `QDLParserParser.assertStatement2()`.
`void`	`enterAssignment(QDLParserParser.AssignmentContext ctx)`	Enter a parse tree produced by the `assignment` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterAssociation(QDLParserParser.AssociationContext ctx)`	Enter a parse tree produced by the `association` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterBlockStatement(QDLParserParser.BlockStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.blockStatement()`.
`void`	`enterCompExpression(QDLParserParser.CompExpressionContext ctx)`	Enter a parse tree produced by the `compExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterConditionalBlock(QDLParserParser.ConditionalBlockContext ctx)`	Enter a parse tree produced by `QDLParserParser.conditionalBlock()`.
`void`	`enterConditionalStatement(QDLParserParser.ConditionalStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.conditionalStatement()`.
`void`	`enterContainsKey(QDLParserParser.ContainsKeyContext ctx)`	Enter a parse tree produced by the `containsKey` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterDefineStatement(QDLParserParser.DefineStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.defineStatement()`.
`void`	`enterDocStatementBlock(QDLParserParser.DocStatementBlockContext ctx)`	Enter a parse tree produced by `QDLParserParser.docStatementBlock()`.
`void`	`enterDotOp(QDLParserParser.DotOpContext ctx)`	Enter a parse tree produced by the `dotOp` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterDotOp2(QDLParserParser.DotOp2Context ctx)`	Enter a parse tree produced by the `dotOp2` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterDyadicFunctionRefernce(QDLParserParser.DyadicFunctionRefernceContext ctx)`	Enter a parse tree produced by the `dyadicFunctionRefernce` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterElement(QDLParserParser.ElementContext ctx)`	Enter a parse tree produced by `QDLParserParser.element()`.
`void`	`enterElements(QDLParserParser.ElementsContext ctx)`	Enter a parse tree produced by `QDLParserParser.elements()`.
`void`	`enterEpsilon(QDLParserParser.EpsilonContext ctx)`	Enter a parse tree produced by the `epsilon` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterEqExpression(QDLParserParser.EqExpressionContext ctx)`	Enter a parse tree produced by the `eqExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterExpressionBlock(QDLParserParser.ExpressionBlockContext ctx)`	Enter a parse tree produced by `QDLParserParser.expressionBlock()`.
`void`	`enterExpressionDyadicOps(QDLParserParser.ExpressionDyadicOpsContext ctx)`	Enter a parse tree produced by the `expressionDyadicOps` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterExtract(QDLParserParser.ExtractContext ctx)`	Enter a parse tree produced by the `extract` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterExtract2(QDLParserParser.Extract2Context ctx)`	Enter a parse tree produced by the `extract2` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterExtract3(QDLParserParser.Extract3Context ctx)`	Enter a parse tree produced by the `extract3` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterExtract4(QDLParserParser.Extract4Context ctx)`	Enter a parse tree produced by the `extract4` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterF_args(QDLParserParser.F_argsContext ctx)`	Enter a parse tree produced by `QDLParserParser.f_args()`.
`void`	`enterFdoc(QDLParserParser.FdocContext ctx)`	Enter a parse tree produced by `QDLParserParser.fdoc()`.
`void`	`enterFloorOrCeilingExpression(QDLParserParser.FloorOrCeilingExpressionContext ctx)`	Enter a parse tree produced by the `floorOrCeilingExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterForAll(QDLParserParser.ForAllContext ctx)`	Enter a parse tree produced by the `forAll` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterFrefDyadicOps(QDLParserParser.FrefDyadicOpsContext ctx)`	Enter a parse tree produced by the `frefDyadicOps` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterFunction(QDLParserParser.FunctionContext ctx)`	Enter a parse tree produced by `QDLParserParser.function()`.
`void`	`enterFunctionReference(QDLParserParser.FunctionReferenceContext ctx)`	Enter a parse tree produced by the `functionReference` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterFunctions(QDLParserParser.FunctionsContext ctx)`	Enter a parse tree produced by the `functions` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterIfElseStatement(QDLParserParser.IfElseStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.ifElseStatement()`.
`void`	`enterIfStatement(QDLParserParser.IfStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.ifStatement()`.
`void`	`enterIInterval(QDLParserParser.IIntervalContext ctx)`	Enter a parse tree produced by `QDLParserParser.iInterval()`.
`void`	`enterInteger(QDLParserParser.IntegerContext ctx)`	Enter a parse tree produced by `QDLParserParser.integer()`.
`void`	`enterIntegers(QDLParserParser.IntegersContext ctx)`	Enter a parse tree produced by the `integers` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterIntersectionOrUnion(QDLParserParser.IntersectionOrUnionContext ctx)`	Enter a parse tree produced by the `intersectionOrUnion` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterIntInterval(QDLParserParser.IntIntervalContext ctx)`	Enter a parse tree produced by the `intInterval` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterIs_a(QDLParserParser.Is_aContext ctx)`	Enter a parse tree produced by the `is_a` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterIsDefinedDyadicExpression(QDLParserParser.IsDefinedDyadicExpressionContext ctx)`	Enter a parse tree produced by the `isDefinedDyadicExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterIsDefinedExpression(QDLParserParser.IsDefinedExpressionContext ctx)`	Enter a parse tree produced by the `isDefinedExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterKeyword(QDLParserParser.KeywordContext ctx)`	Enter a parse tree produced by `QDLParserParser.keyword()`.
`void`	`enterKeywords(QDLParserParser.KeywordsContext ctx)`	Enter a parse tree produced by the `keywords` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterLambdaDef(QDLParserParser.LambdaDefContext ctx)`	Enter a parse tree produced by the `lambdaDef` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterLambdaStatement(QDLParserParser.LambdaStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.lambdaStatement()`.
`void`	`enterLocalStatement(QDLParserParser.LocalStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.localStatement()`.
`void`	`enterLogical(QDLParserParser.LogicalContext ctx)`	Enter a parse tree produced by the `logical` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterLoopStatement(QDLParserParser.LoopStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.loopStatement()`.
`void`	`enterModuleExpression(QDLParserParser.ModuleExpressionContext ctx)`	Enter a parse tree produced by the `moduleExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterModuleStatement(QDLParserParser.ModuleStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.moduleStatement()`.
`void`	`enterMultiplyExpression(QDLParserParser.MultiplyExpressionContext ctx)`	Enter a parse tree produced by the `multiplyExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterNotExpression(QDLParserParser.NotExpressionContext ctx)`	Enter a parse tree produced by the `notExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterNull(QDLParserParser.NullContext ctx)`	Enter a parse tree produced by the `null` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterNumber(QDLParserParser.NumberContext ctx)`	Enter a parse tree produced by `QDLParserParser.number()`.
`void`	`enterNumbers(QDLParserParser.NumbersContext ctx)`	Enter a parse tree produced by the `numbers` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterOp_ref(QDLParserParser.Op_refContext ctx)`	Enter a parse tree produced by `QDLParserParser.op_ref()`.
`void`	`enterOperatorReference(QDLParserParser.OperatorReferenceContext ctx)`	Enter a parse tree produced by the `operatorReference` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterOrExpression(QDLParserParser.OrExpressionContext ctx)`	Enter a parse tree produced by the `orExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterPostfix(QDLParserParser.PostfixContext ctx)`	Enter a parse tree produced by the `postfix` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterPowerExpression(QDLParserParser.PowerExpressionContext ctx)`	Enter a parse tree produced by the `powerExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterPrefix(QDLParserParser.PrefixContext ctx)`	Enter a parse tree produced by the `prefix` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterRealInterval(QDLParserParser.RealIntervalContext ctx)`	Enter a parse tree produced by the `realInterval` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterRegexMatches(QDLParserParser.RegexMatchesContext ctx)`	Enter a parse tree produced by the `regexMatches` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterRInterval(QDLParserParser.RIntervalContext ctx)`	Enter a parse tree produced by `QDLParserParser.rInterval()`.
`void`	`enterSet(QDLParserParser.SetContext ctx)`	Enter a parse tree produced by `QDLParserParser.set()`.
`void`	`enterSetThing(QDLParserParser.SetThingContext ctx)`	Enter a parse tree produced by the `setThing` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterStatement(QDLParserParser.StatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.statement()`.
`void`	`enterStatementBlock(QDLParserParser.StatementBlockContext ctx)`	Enter a parse tree produced by `QDLParserParser.statementBlock()`.
`void`	`enterStemEntry(QDLParserParser.StemEntryContext ctx)`	Enter a parse tree produced by `QDLParserParser.stemEntry()`.
`void`	`enterStemLi(QDLParserParser.StemLiContext ctx)`	Enter a parse tree produced by the `stemLi` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterStemList(QDLParserParser.StemListContext ctx)`	Enter a parse tree produced by `QDLParserParser.stemList()`.
`void`	`enterStemValue(QDLParserParser.StemValueContext ctx)`	Enter a parse tree produced by `QDLParserParser.stemValue()`.
`void`	`enterStemVar(QDLParserParser.StemVarContext ctx)`	Enter a parse tree produced by the `stemVar` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterStemVariable(QDLParserParser.StemVariableContext ctx)`	Enter a parse tree produced by `QDLParserParser.stemVariable()`.
`void`	`enterStrings(QDLParserParser.StringsContext ctx)`	Enter a parse tree produced by the `strings` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterSwitchExpression(QDLParserParser.SwitchExpressionContext ctx)`	Enter a parse tree produced by the `switchExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterSwitchStatement(QDLParserParser.SwitchStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.switchStatement()`.
`void`	`enterTildeExpression(QDLParserParser.TildeExpressionContext ctx)`	Enter a parse tree produced by the `tildeExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterToSet(QDLParserParser.ToSetContext ctx)`	Enter a parse tree produced by the `toSet` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterTransposeOperator(QDLParserParser.TransposeOperatorContext ctx)`	Enter a parse tree produced by the `transposeOperator` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterTryCatchStatement(QDLParserParser.TryCatchStatementContext ctx)`	Enter a parse tree produced by `QDLParserParser.tryCatchStatement()`.
`void`	`enterUnaryApplyExpression(QDLParserParser.UnaryApplyExpressionContext ctx)`	Enter a parse tree produced by the `unaryApplyExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterUnaryMinusExpression(QDLParserParser.UnaryMinusExpressionContext ctx)`	Enter a parse tree produced by the `unaryMinusExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterUnaryTildeExpression(QDLParserParser.UnaryTildeExpressionContext ctx)`	Enter a parse tree produced by the `unaryTildeExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterUnaryTransposeExpression(QDLParserParser.UnaryTransposeExpressionContext ctx)`	Enter a parse tree produced by the `unaryTransposeExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`enterVariable(QDLParserParser.VariableContext ctx)`	Enter a parse tree produced by `QDLParserParser.variable()`.
`void`	`enterVariables(QDLParserParser.VariablesContext ctx)`	Enter a parse tree produced by the `variables` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitAddExpression(QDLParserParser.AddExpressionContext ctx)`	Exit a parse tree produced by the `addExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitAltIFExpression(QDLParserParser.AltIFExpressionContext ctx)`	Exit a parse tree produced by the `altIFExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitAndExpression(QDLParserParser.AndExpressionContext ctx)`	Exit a parse tree produced by the `andExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitAppliesOperator(QDLParserParser.AppliesOperatorContext ctx)`	Exit a parse tree produced by the `appliesOperator` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitAssertStatement(QDLParserParser.AssertStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.assertStatement()`.
`void`	`exitAssertStatement2(QDLParserParser.AssertStatement2Context ctx)`	Exit a parse tree produced by `QDLParserParser.assertStatement2()`.
`void`	`exitAssignment(QDLParserParser.AssignmentContext ctx)`	Exit a parse tree produced by the `assignment` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitAssociation(QDLParserParser.AssociationContext ctx)`	Exit a parse tree produced by the `association` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitBlockStatement(QDLParserParser.BlockStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.blockStatement()`.
`void`	`exitCompExpression(QDLParserParser.CompExpressionContext ctx)`	Exit a parse tree produced by the `compExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitConditionalBlock(QDLParserParser.ConditionalBlockContext ctx)`	Exit a parse tree produced by `QDLParserParser.conditionalBlock()`.
`void`	`exitConditionalStatement(QDLParserParser.ConditionalStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.conditionalStatement()`.
`void`	`exitContainsKey(QDLParserParser.ContainsKeyContext ctx)`	Exit a parse tree produced by the `containsKey` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitDefineStatement(QDLParserParser.DefineStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.defineStatement()`.
`void`	`exitDocStatementBlock(QDLParserParser.DocStatementBlockContext ctx)`	Exit a parse tree produced by `QDLParserParser.docStatementBlock()`.
`void`	`exitDotOp(QDLParserParser.DotOpContext ctx)`	Exit a parse tree produced by the `dotOp` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitDotOp2(QDLParserParser.DotOp2Context ctx)`	Exit a parse tree produced by the `dotOp2` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitDyadicFunctionRefernce(QDLParserParser.DyadicFunctionRefernceContext ctx)`	Exit a parse tree produced by the `dyadicFunctionRefernce` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitElement(QDLParserParser.ElementContext ctx)`	Exit a parse tree produced by `QDLParserParser.element()`.
`void`	`exitElements(QDLParserParser.ElementsContext ctx)`	Exit a parse tree produced by `QDLParserParser.elements()`.
`void`	`exitEpsilon(QDLParserParser.EpsilonContext ctx)`	Exit a parse tree produced by the `epsilon` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitEqExpression(QDLParserParser.EqExpressionContext ctx)`	Exit a parse tree produced by the `eqExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitExpressionBlock(QDLParserParser.ExpressionBlockContext ctx)`	Exit a parse tree produced by `QDLParserParser.expressionBlock()`.
`void`	`exitExpressionDyadicOps(QDLParserParser.ExpressionDyadicOpsContext ctx)`	Exit a parse tree produced by the `expressionDyadicOps` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitExtract(QDLParserParser.ExtractContext ctx)`	Exit a parse tree produced by the `extract` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitExtract2(QDLParserParser.Extract2Context ctx)`	Exit a parse tree produced by the `extract2` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitExtract3(QDLParserParser.Extract3Context ctx)`	Exit a parse tree produced by the `extract3` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitExtract4(QDLParserParser.Extract4Context ctx)`	Exit a parse tree produced by the `extract4` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitF_args(QDLParserParser.F_argsContext ctx)`	Exit a parse tree produced by `QDLParserParser.f_args()`.
`void`	`exitFdoc(QDLParserParser.FdocContext ctx)`	Exit a parse tree produced by `QDLParserParser.fdoc()`.
`void`	`exitFloorOrCeilingExpression(QDLParserParser.FloorOrCeilingExpressionContext ctx)`	Exit a parse tree produced by the `floorOrCeilingExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitForAll(QDLParserParser.ForAllContext ctx)`	Exit a parse tree produced by the `forAll` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitFrefDyadicOps(QDLParserParser.FrefDyadicOpsContext ctx)`	Exit a parse tree produced by the `frefDyadicOps` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitFunction(QDLParserParser.FunctionContext ctx)`	Exit a parse tree produced by `QDLParserParser.function()`.
`void`	`exitFunctionReference(QDLParserParser.FunctionReferenceContext ctx)`	Exit a parse tree produced by the `functionReference` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitFunctions(QDLParserParser.FunctionsContext ctx)`	Exit a parse tree produced by the `functions` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitIfElseStatement(QDLParserParser.IfElseStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.ifElseStatement()`.
`void`	`exitIfStatement(QDLParserParser.IfStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.ifStatement()`.
`void`	`exitIInterval(QDLParserParser.IIntervalContext ctx)`	Exit a parse tree produced by `QDLParserParser.iInterval()`.
`void`	`exitInteger(QDLParserParser.IntegerContext ctx)`	Exit a parse tree produced by `QDLParserParser.integer()`.
`void`	`exitIntegers(QDLParserParser.IntegersContext ctx)`	Exit a parse tree produced by the `integers` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitIntersectionOrUnion(QDLParserParser.IntersectionOrUnionContext ctx)`	Exit a parse tree produced by the `intersectionOrUnion` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitIntInterval(QDLParserParser.IntIntervalContext ctx)`	Exit a parse tree produced by the `intInterval` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitIs_a(QDLParserParser.Is_aContext ctx)`	Exit a parse tree produced by the `is_a` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitIsDefinedDyadicExpression(QDLParserParser.IsDefinedDyadicExpressionContext ctx)`	Exit a parse tree produced by the `isDefinedDyadicExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitIsDefinedExpression(QDLParserParser.IsDefinedExpressionContext ctx)`	Exit a parse tree produced by the `isDefinedExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitKeyword(QDLParserParser.KeywordContext ctx)`	Exit a parse tree produced by `QDLParserParser.keyword()`.
`void`	`exitKeywords(QDLParserParser.KeywordsContext ctx)`	Exit a parse tree produced by the `keywords` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitLambdaDef(QDLParserParser.LambdaDefContext ctx)`	Exit a parse tree produced by the `lambdaDef` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitLambdaStatement(QDLParserParser.LambdaStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.lambdaStatement()`.
`void`	`exitLocalStatement(QDLParserParser.LocalStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.localStatement()`.
`void`	`exitLogical(QDLParserParser.LogicalContext ctx)`	Exit a parse tree produced by the `logical` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitLoopStatement(QDLParserParser.LoopStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.loopStatement()`.
`void`	`exitModuleExpression(QDLParserParser.ModuleExpressionContext ctx)`	Exit a parse tree produced by the `moduleExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitModuleStatement(QDLParserParser.ModuleStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.moduleStatement()`.
`void`	`exitMultiplyExpression(QDLParserParser.MultiplyExpressionContext ctx)`	Exit a parse tree produced by the `multiplyExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitNotExpression(QDLParserParser.NotExpressionContext ctx)`	Exit a parse tree produced by the `notExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitNull(QDLParserParser.NullContext ctx)`	Exit a parse tree produced by the `null` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitNumber(QDLParserParser.NumberContext ctx)`	Exit a parse tree produced by `QDLParserParser.number()`.
`void`	`exitNumbers(QDLParserParser.NumbersContext ctx)`	Exit a parse tree produced by the `numbers` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitOp_ref(QDLParserParser.Op_refContext ctx)`	Exit a parse tree produced by `QDLParserParser.op_ref()`.
`void`	`exitOperatorReference(QDLParserParser.OperatorReferenceContext ctx)`	Exit a parse tree produced by the `operatorReference` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitOrExpression(QDLParserParser.OrExpressionContext ctx)`	Exit a parse tree produced by the `orExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitPostfix(QDLParserParser.PostfixContext ctx)`	Exit a parse tree produced by the `postfix` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitPowerExpression(QDLParserParser.PowerExpressionContext ctx)`	Exit a parse tree produced by the `powerExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitPrefix(QDLParserParser.PrefixContext ctx)`	Exit a parse tree produced by the `prefix` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitRealInterval(QDLParserParser.RealIntervalContext ctx)`	Exit a parse tree produced by the `realInterval` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitRegexMatches(QDLParserParser.RegexMatchesContext ctx)`	Exit a parse tree produced by the `regexMatches` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitRInterval(QDLParserParser.RIntervalContext ctx)`	Exit a parse tree produced by `QDLParserParser.rInterval()`.
`void`	`exitSet(QDLParserParser.SetContext ctx)`	Exit a parse tree produced by `QDLParserParser.set()`.
`void`	`exitSetThing(QDLParserParser.SetThingContext ctx)`	Exit a parse tree produced by the `setThing` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitStatement(QDLParserParser.StatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.statement()`.
`void`	`exitStatementBlock(QDLParserParser.StatementBlockContext ctx)`	Exit a parse tree produced by `QDLParserParser.statementBlock()`.
`void`	`exitStemEntry(QDLParserParser.StemEntryContext ctx)`	Exit a parse tree produced by `QDLParserParser.stemEntry()`.
`void`	`exitStemLi(QDLParserParser.StemLiContext ctx)`	Exit a parse tree produced by the `stemLi` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitStemList(QDLParserParser.StemListContext ctx)`	Exit a parse tree produced by `QDLParserParser.stemList()`.
`void`	`exitStemValue(QDLParserParser.StemValueContext ctx)`	Exit a parse tree produced by `QDLParserParser.stemValue()`.
`void`	`exitStemVar(QDLParserParser.StemVarContext ctx)`	Exit a parse tree produced by the `stemVar` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitStemVariable(QDLParserParser.StemVariableContext ctx)`	Exit a parse tree produced by `QDLParserParser.stemVariable()`.
`void`	`exitStrings(QDLParserParser.StringsContext ctx)`	Exit a parse tree produced by the `strings` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitSwitchExpression(QDLParserParser.SwitchExpressionContext ctx)`	Exit a parse tree produced by the `switchExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitSwitchStatement(QDLParserParser.SwitchStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.switchStatement()`.
`void`	`exitTildeExpression(QDLParserParser.TildeExpressionContext ctx)`	Exit a parse tree produced by the `tildeExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitToSet(QDLParserParser.ToSetContext ctx)`	Exit a parse tree produced by the `toSet` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitTransposeOperator(QDLParserParser.TransposeOperatorContext ctx)`	Exit a parse tree produced by the `transposeOperator` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitTryCatchStatement(QDLParserParser.TryCatchStatementContext ctx)`	Exit a parse tree produced by `QDLParserParser.tryCatchStatement()`.
`void`	`exitUnaryApplyExpression(QDLParserParser.UnaryApplyExpressionContext ctx)`	Exit a parse tree produced by the `unaryApplyExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitUnaryMinusExpression(QDLParserParser.UnaryMinusExpressionContext ctx)`	Exit a parse tree produced by the `unaryMinusExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitUnaryTildeExpression(QDLParserParser.UnaryTildeExpressionContext ctx)`	Exit a parse tree produced by the `unaryTildeExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitUnaryTransposeExpression(QDLParserParser.UnaryTransposeExpressionContext ctx)`	Exit a parse tree produced by the `unaryTransposeExpression` labeled alternative in `QDLParserParser.expression()`.
`void`	`exitVariable(QDLParserParser.VariableContext ctx)`	Exit a parse tree produced by `QDLParserParser.variable()`.
`void`	`exitVariables(QDLParserParser.VariablesContext ctx)`	Exit a parse tree produced by the `variables` labeled alternative in `QDLParserParser.expression()`.

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeListener
enterEveryRule, exitEveryRule, visitErrorNode, visitTerminal

- Method Detail
  - enterElements
```
void enterElements(QDLParserParser.ElementsContext ctx)
```
    Enter a parse tree produced by QDLParserParser.elements().
    
    Parameters:
    
    ctx - the parse tree
  - exitElements
```
void exitElements(QDLParserParser.ElementsContext ctx)
```
    Exit a parse tree produced by QDLParserParser.elements().
    
    Parameters:
    
    ctx - the parse tree
  - enterElement
```
void enterElement(QDLParserParser.ElementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.element().
    
    Parameters:
    
    ctx - the parse tree
  - exitElement
```
void exitElement(QDLParserParser.ElementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.element().
    
    Parameters:
    
    ctx - the parse tree
  - enterStatement
```
void enterStatement(QDLParserParser.StatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.statement().
    
    Parameters:
    
    ctx - the parse tree
  - exitStatement
```
void exitStatement(QDLParserParser.StatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.statement().
    
    Parameters:
    
    ctx - the parse tree
  - enterConditionalStatement
```
void enterConditionalStatement(QDLParserParser.ConditionalStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.conditionalStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitConditionalStatement
```
void exitConditionalStatement(QDLParserParser.ConditionalStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.conditionalStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterIfStatement
```
void enterIfStatement(QDLParserParser.IfStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.ifStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitIfStatement
```
void exitIfStatement(QDLParserParser.IfStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.ifStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterIfElseStatement
```
void enterIfElseStatement(QDLParserParser.IfElseStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.ifElseStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitIfElseStatement
```
void exitIfElseStatement(QDLParserParser.IfElseStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.ifElseStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterLoopStatement
```
void enterLoopStatement(QDLParserParser.LoopStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.loopStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitLoopStatement
```
void exitLoopStatement(QDLParserParser.LoopStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.loopStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterSwitchStatement
```
void enterSwitchStatement(QDLParserParser.SwitchStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.switchStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitSwitchStatement
```
void exitSwitchStatement(QDLParserParser.SwitchStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.switchStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterDefineStatement
```
void enterDefineStatement(QDLParserParser.DefineStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.defineStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitDefineStatement
```
void exitDefineStatement(QDLParserParser.DefineStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.defineStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterLambdaStatement
```
void enterLambdaStatement(QDLParserParser.LambdaStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.lambdaStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitLambdaStatement
```
void exitLambdaStatement(QDLParserParser.LambdaStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.lambdaStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterModuleStatement
```
void enterModuleStatement(QDLParserParser.ModuleStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.moduleStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitModuleStatement
```
void exitModuleStatement(QDLParserParser.ModuleStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.moduleStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterTryCatchStatement
```
void enterTryCatchStatement(QDLParserParser.TryCatchStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.tryCatchStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitTryCatchStatement
```
void exitTryCatchStatement(QDLParserParser.TryCatchStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.tryCatchStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterAssertStatement
```
void enterAssertStatement(QDLParserParser.AssertStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.assertStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitAssertStatement
```
void exitAssertStatement(QDLParserParser.AssertStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.assertStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterBlockStatement
```
void enterBlockStatement(QDLParserParser.BlockStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.blockStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitBlockStatement
```
void exitBlockStatement(QDLParserParser.BlockStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.blockStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterLocalStatement
```
void enterLocalStatement(QDLParserParser.LocalStatementContext ctx)
```
    Enter a parse tree produced by QDLParserParser.localStatement().
    
    Parameters:
    
    ctx - the parse tree
  - exitLocalStatement
```
void exitLocalStatement(QDLParserParser.LocalStatementContext ctx)
```
    Exit a parse tree produced by QDLParserParser.localStatement().
    
    Parameters:
    
    ctx - the parse tree
  - enterAssertStatement2
```
void enterAssertStatement2(QDLParserParser.AssertStatement2Context ctx)
```
    Enter a parse tree produced by QDLParserParser.assertStatement2().
    
    Parameters:
    
    ctx - the parse tree
  - exitAssertStatement2
```
void exitAssertStatement2(QDLParserParser.AssertStatement2Context ctx)
```
    Exit a parse tree produced by QDLParserParser.assertStatement2().
    
    Parameters:
    
    ctx - the parse tree
  - enterStatementBlock
```
void enterStatementBlock(QDLParserParser.StatementBlockContext ctx)
```
    Enter a parse tree produced by QDLParserParser.statementBlock().
    
    Parameters:
    
    ctx - the parse tree
  - exitStatementBlock
```
void exitStatementBlock(QDLParserParser.StatementBlockContext ctx)
```
    Exit a parse tree produced by QDLParserParser.statementBlock().
    
    Parameters:
    
    ctx - the parse tree
  - enterDocStatementBlock
```
void enterDocStatementBlock(QDLParserParser.DocStatementBlockContext ctx)
```
    Enter a parse tree produced by QDLParserParser.docStatementBlock().
    
    Parameters:
    
    ctx - the parse tree
  - exitDocStatementBlock
```
void exitDocStatementBlock(QDLParserParser.DocStatementBlockContext ctx)
```
    Exit a parse tree produced by QDLParserParser.docStatementBlock().
    
    Parameters:
    
    ctx - the parse tree
  - enterExpressionBlock
```
void enterExpressionBlock(QDLParserParser.ExpressionBlockContext ctx)
```
    Enter a parse tree produced by QDLParserParser.expressionBlock().
    
    Parameters:
    
    ctx - the parse tree
  - exitExpressionBlock
```
void exitExpressionBlock(QDLParserParser.ExpressionBlockContext ctx)
```
    Exit a parse tree produced by QDLParserParser.expressionBlock().
    
    Parameters:
    
    ctx - the parse tree
  - enterConditionalBlock
```
void enterConditionalBlock(QDLParserParser.ConditionalBlockContext ctx)
```
    Enter a parse tree produced by QDLParserParser.conditionalBlock().
    
    Parameters:
    
    ctx - the parse tree
  - exitConditionalBlock
```
void exitConditionalBlock(QDLParserParser.ConditionalBlockContext ctx)
```
    Exit a parse tree produced by QDLParserParser.conditionalBlock().
    
    Parameters:
    
    ctx - the parse tree
  - enterFdoc
```
void enterFdoc(QDLParserParser.FdocContext ctx)
```
    Enter a parse tree produced by QDLParserParser.fdoc().
    
    Parameters:
    
    ctx - the parse tree
  - exitFdoc
```
void exitFdoc(QDLParserParser.FdocContext ctx)
```
    Exit a parse tree produced by QDLParserParser.fdoc().
    
    Parameters:
    
    ctx - the parse tree
  - enterIInterval
```
void enterIInterval(QDLParserParser.IIntervalContext ctx)
```
    Enter a parse tree produced by QDLParserParser.iInterval().
    
    Parameters:
    
    ctx - the parse tree
  - exitIInterval
```
void exitIInterval(QDLParserParser.IIntervalContext ctx)
```
    Exit a parse tree produced by QDLParserParser.iInterval().
    
    Parameters:
    
    ctx - the parse tree
  - enterRInterval
```
void enterRInterval(QDLParserParser.RIntervalContext ctx)
```
    Enter a parse tree produced by QDLParserParser.rInterval().
    
    Parameters:
    
    ctx - the parse tree
  - exitRInterval
```
void exitRInterval(QDLParserParser.RIntervalContext ctx)
```
    Exit a parse tree produced by QDLParserParser.rInterval().
    
    Parameters:
    
    ctx - the parse tree
  - enterSet
```
void enterSet(QDLParserParser.SetContext ctx)
```
    Enter a parse tree produced by QDLParserParser.set().
    
    Parameters:
    
    ctx - the parse tree
  - exitSet
```
void exitSet(QDLParserParser.SetContext ctx)
```
    Exit a parse tree produced by QDLParserParser.set().
    
    Parameters:
    
    ctx - the parse tree
  - enterStemVariable
```
void enterStemVariable(QDLParserParser.StemVariableContext ctx)
```
    Enter a parse tree produced by QDLParserParser.stemVariable().
    
    Parameters:
    
    ctx - the parse tree
  - exitStemVariable
```
void exitStemVariable(QDLParserParser.StemVariableContext ctx)
```
    Exit a parse tree produced by QDLParserParser.stemVariable().
    
    Parameters:
    
    ctx - the parse tree
  - enterStemEntry
```
void enterStemEntry(QDLParserParser.StemEntryContext ctx)
```
    Enter a parse tree produced by QDLParserParser.stemEntry().
    
    Parameters:
    
    ctx - the parse tree
  - exitStemEntry
```
void exitStemEntry(QDLParserParser.StemEntryContext ctx)
```
    Exit a parse tree produced by QDLParserParser.stemEntry().
    
    Parameters:
    
    ctx - the parse tree
  - enterStemList
```
void enterStemList(QDLParserParser.StemListContext ctx)
```
    Enter a parse tree produced by QDLParserParser.stemList().
    
    Parameters:
    
    ctx - the parse tree
  - exitStemList
```
void exitStemList(QDLParserParser.StemListContext ctx)
```
    Exit a parse tree produced by QDLParserParser.stemList().
    
    Parameters:
    
    ctx - the parse tree
  - enterStemValue
```
void enterStemValue(QDLParserParser.StemValueContext ctx)
```
    Enter a parse tree produced by QDLParserParser.stemValue().
    
    Parameters:
    
    ctx - the parse tree
  - exitStemValue
```
void exitStemValue(QDLParserParser.StemValueContext ctx)
```
    Exit a parse tree produced by QDLParserParser.stemValue().
    
    Parameters:
    
    ctx - the parse tree
  - enterFunction
```
void enterFunction(QDLParserParser.FunctionContext ctx)
```
    Enter a parse tree produced by QDLParserParser.function().
    
    Parameters:
    
    ctx - the parse tree
  - exitFunction
```
void exitFunction(QDLParserParser.FunctionContext ctx)
```
    Exit a parse tree produced by QDLParserParser.function().
    
    Parameters:
    
    ctx - the parse tree
  - enterOp_ref
```
void enterOp_ref(QDLParserParser.Op_refContext ctx)
```
    Enter a parse tree produced by QDLParserParser.op_ref().
    
    Parameters:
    
    ctx - the parse tree
  - exitOp_ref
```
void exitOp_ref(QDLParserParser.Op_refContext ctx)
```
    Exit a parse tree produced by QDLParserParser.op_ref().
    
    Parameters:
    
    ctx - the parse tree
  - enterF_args
```
void enterF_args(QDLParserParser.F_argsContext ctx)
```
    Enter a parse tree produced by QDLParserParser.f_args().
    
    Parameters:
    
    ctx - the parse tree
  - exitF_args
```
void exitF_args(QDLParserParser.F_argsContext ctx)
```
    Exit a parse tree produced by QDLParserParser.f_args().
    
    Parameters:
    
    ctx - the parse tree
  - enterFunctions
```
void enterFunctions(QDLParserParser.FunctionsContext ctx)
```
    Enter a parse tree produced by the functions labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitFunctions
```
void exitFunctions(QDLParserParser.FunctionsContext ctx)
```
    Exit a parse tree produced by the functions labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterUnaryApplyExpression
```
void enterUnaryApplyExpression(QDLParserParser.UnaryApplyExpressionContext ctx)
```
    Enter a parse tree produced by the unaryApplyExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitUnaryApplyExpression
```
void exitUnaryApplyExpression(QDLParserParser.UnaryApplyExpressionContext ctx)
```
    Exit a parse tree produced by the unaryApplyExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterKeywords
```
void enterKeywords(QDLParserParser.KeywordsContext ctx)
```
    Enter a parse tree produced by the keywords labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitKeywords
```
void exitKeywords(QDLParserParser.KeywordsContext ctx)
```
    Exit a parse tree produced by the keywords labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterPrefix
```
void enterPrefix(QDLParserParser.PrefixContext ctx)
```
    Enter a parse tree produced by the prefix labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitPrefix
```
void exitPrefix(QDLParserParser.PrefixContext ctx)
```
    Exit a parse tree produced by the prefix labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterTildeExpression
```
void enterTildeExpression(QDLParserParser.TildeExpressionContext ctx)
```
    Enter a parse tree produced by the tildeExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitTildeExpression
```
void exitTildeExpression(QDLParserParser.TildeExpressionContext ctx)
```
    Exit a parse tree produced by the tildeExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterNumbers
```
void enterNumbers(QDLParserParser.NumbersContext ctx)
```
    Enter a parse tree produced by the numbers labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitNumbers
```
void exitNumbers(QDLParserParser.NumbersContext ctx)
```
    Exit a parse tree produced by the numbers labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterNotExpression
```
void enterNotExpression(QDLParserParser.NotExpressionContext ctx)
```
    Enter a parse tree produced by the notExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitNotExpression
```
void exitNotExpression(QDLParserParser.NotExpressionContext ctx)
```
    Exit a parse tree produced by the notExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterMultiplyExpression
```
void enterMultiplyExpression(QDLParserParser.MultiplyExpressionContext ctx)
```
    Enter a parse tree produced by the multiplyExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitMultiplyExpression
```
void exitMultiplyExpression(QDLParserParser.MultiplyExpressionContext ctx)
```
    Exit a parse tree produced by the multiplyExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterFloorOrCeilingExpression
```
void enterFloorOrCeilingExpression(QDLParserParser.FloorOrCeilingExpressionContext ctx)
```
    Enter a parse tree produced by the floorOrCeilingExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitFloorOrCeilingExpression
```
void exitFloorOrCeilingExpression(QDLParserParser.FloorOrCeilingExpressionContext ctx)
```
    Exit a parse tree produced by the floorOrCeilingExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterIntegers
```
void enterIntegers(QDLParserParser.IntegersContext ctx)
```
    Enter a parse tree produced by the integers labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitIntegers
```
void exitIntegers(QDLParserParser.IntegersContext ctx)
```
    Exit a parse tree produced by the integers labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterEpsilon
```
void enterEpsilon(QDLParserParser.EpsilonContext ctx)
```
    Enter a parse tree produced by the epsilon labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitEpsilon
```
void exitEpsilon(QDLParserParser.EpsilonContext ctx)
```
    Exit a parse tree produced by the epsilon labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterSetThing
```
void enterSetThing(QDLParserParser.SetThingContext ctx)
```
    Enter a parse tree produced by the setThing labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitSetThing
```
void exitSetThing(QDLParserParser.SetThingContext ctx)
```
    Exit a parse tree produced by the setThing labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterFrefDyadicOps
```
void enterFrefDyadicOps(QDLParserParser.FrefDyadicOpsContext ctx)
```
    Enter a parse tree produced by the frefDyadicOps labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitFrefDyadicOps
```
void exitFrefDyadicOps(QDLParserParser.FrefDyadicOpsContext ctx)
```
    Exit a parse tree produced by the frefDyadicOps labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterCompExpression
```
void enterCompExpression(QDLParserParser.CompExpressionContext ctx)
```
    Enter a parse tree produced by the compExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitCompExpression
```
void exitCompExpression(QDLParserParser.CompExpressionContext ctx)
```
    Exit a parse tree produced by the compExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterIntersectionOrUnion
```
void enterIntersectionOrUnion(QDLParserParser.IntersectionOrUnionContext ctx)
```
    Enter a parse tree produced by the intersectionOrUnion labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitIntersectionOrUnion
```
void exitIntersectionOrUnion(QDLParserParser.IntersectionOrUnionContext ctx)
```
    Exit a parse tree produced by the intersectionOrUnion labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterModuleExpression
```
void enterModuleExpression(QDLParserParser.ModuleExpressionContext ctx)
```
    Enter a parse tree produced by the moduleExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitModuleExpression
```
void exitModuleExpression(QDLParserParser.ModuleExpressionContext ctx)
```
    Exit a parse tree produced by the moduleExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterOperatorReference
```
void enterOperatorReference(QDLParserParser.OperatorReferenceContext ctx)
```
    Enter a parse tree produced by the operatorReference labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitOperatorReference
```
void exitOperatorReference(QDLParserParser.OperatorReferenceContext ctx)
```
    Exit a parse tree produced by the operatorReference labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterDyadicFunctionRefernce
```
void enterDyadicFunctionRefernce(QDLParserParser.DyadicFunctionRefernceContext ctx)
```
    Enter a parse tree produced by the dyadicFunctionRefernce labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitDyadicFunctionRefernce
```
void exitDyadicFunctionRefernce(QDLParserParser.DyadicFunctionRefernceContext ctx)
```
    Exit a parse tree produced by the dyadicFunctionRefernce labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterDotOp2
```
void enterDotOp2(QDLParserParser.DotOp2Context ctx)
```
    Enter a parse tree produced by the dotOp2 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitDotOp2
```
void exitDotOp2(QDLParserParser.DotOp2Context ctx)
```
    Exit a parse tree produced by the dotOp2 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterLambdaDef
```
void enterLambdaDef(QDLParserParser.LambdaDefContext ctx)
```
    Enter a parse tree produced by the lambdaDef labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitLambdaDef
```
void exitLambdaDef(QDLParserParser.LambdaDefContext ctx)
```
    Exit a parse tree produced by the lambdaDef labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterContainsKey
```
void enterContainsKey(QDLParserParser.ContainsKeyContext ctx)
```
    Enter a parse tree produced by the containsKey labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitContainsKey
```
void exitContainsKey(QDLParserParser.ContainsKeyContext ctx)
```
    Exit a parse tree produced by the containsKey labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterSwitchExpression
```
void enterSwitchExpression(QDLParserParser.SwitchExpressionContext ctx)
```
    Enter a parse tree produced by the switchExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitSwitchExpression
```
void exitSwitchExpression(QDLParserParser.SwitchExpressionContext ctx)
```
    Exit a parse tree produced by the switchExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAppliesOperator
```
void enterAppliesOperator(QDLParserParser.AppliesOperatorContext ctx)
```
    Enter a parse tree produced by the appliesOperator labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAppliesOperator
```
void exitAppliesOperator(QDLParserParser.AppliesOperatorContext ctx)
```
    Exit a parse tree produced by the appliesOperator labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterRegexMatches
```
void enterRegexMatches(QDLParserParser.RegexMatchesContext ctx)
```
    Enter a parse tree produced by the regexMatches labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitRegexMatches
```
void exitRegexMatches(QDLParserParser.RegexMatchesContext ctx)
```
    Exit a parse tree produced by the regexMatches labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAltIFExpression
```
void enterAltIFExpression(QDLParserParser.AltIFExpressionContext ctx)
```
    Enter a parse tree produced by the altIFExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAltIFExpression
```
void exitAltIFExpression(QDLParserParser.AltIFExpressionContext ctx)
```
    Exit a parse tree produced by the altIFExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterPowerExpression
```
void enterPowerExpression(QDLParserParser.PowerExpressionContext ctx)
```
    Enter a parse tree produced by the powerExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitPowerExpression
```
void exitPowerExpression(QDLParserParser.PowerExpressionContext ctx)
```
    Exit a parse tree produced by the powerExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterEqExpression
```
void enterEqExpression(QDLParserParser.EqExpressionContext ctx)
```
    Enter a parse tree produced by the eqExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitEqExpression
```
void exitEqExpression(QDLParserParser.EqExpressionContext ctx)
```
    Exit a parse tree produced by the eqExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterExtract
```
void enterExtract(QDLParserParser.ExtractContext ctx)
```
    Enter a parse tree produced by the extract labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExtract
```
void exitExtract(QDLParserParser.ExtractContext ctx)
```
    Exit a parse tree produced by the extract labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterNull
```
void enterNull(QDLParserParser.NullContext ctx)
```
    Enter a parse tree produced by the null labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitNull
```
void exitNull(QDLParserParser.NullContext ctx)
```
    Exit a parse tree produced by the null labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAddExpression
```
void enterAddExpression(QDLParserParser.AddExpressionContext ctx)
```
    Enter a parse tree produced by the addExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAddExpression
```
void exitAddExpression(QDLParserParser.AddExpressionContext ctx)
```
    Exit a parse tree produced by the addExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterIs_a
```
void enterIs_a(QDLParserParser.Is_aContext ctx)
```
    Enter a parse tree produced by the is_a labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitIs_a
```
void exitIs_a(QDLParserParser.Is_aContext ctx)
```
    Exit a parse tree produced by the is_a labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterStemVar
```
void enterStemVar(QDLParserParser.StemVarContext ctx)
```
    Enter a parse tree produced by the stemVar labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitStemVar
```
void exitStemVar(QDLParserParser.StemVarContext ctx)
```
    Exit a parse tree produced by the stemVar labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterDotOp
```
void enterDotOp(QDLParserParser.DotOpContext ctx)
```
    Enter a parse tree produced by the dotOp labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitDotOp
```
void exitDotOp(QDLParserParser.DotOpContext ctx)
```
    Exit a parse tree produced by the dotOp labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterIsDefinedDyadicExpression
```
void enterIsDefinedDyadicExpression(QDLParserParser.IsDefinedDyadicExpressionContext ctx)
```
    Enter a parse tree produced by the isDefinedDyadicExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitIsDefinedDyadicExpression
```
void exitIsDefinedDyadicExpression(QDLParserParser.IsDefinedDyadicExpressionContext ctx)
```
    Exit a parse tree produced by the isDefinedDyadicExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterForAll
```
void enterForAll(QDLParserParser.ForAllContext ctx)
```
    Enter a parse tree produced by the forAll labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitForAll
```
void exitForAll(QDLParserParser.ForAllContext ctx)
```
    Exit a parse tree produced by the forAll labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAssociation
```
void enterAssociation(QDLParserParser.AssociationContext ctx)
```
    Enter a parse tree produced by the association labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAssociation
```
void exitAssociation(QDLParserParser.AssociationContext ctx)
```
    Exit a parse tree produced by the association labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAndExpression
```
void enterAndExpression(QDLParserParser.AndExpressionContext ctx)
```
    Enter a parse tree produced by the andExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAndExpression
```
void exitAndExpression(QDLParserParser.AndExpressionContext ctx)
```
    Exit a parse tree produced by the andExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterStrings
```
void enterStrings(QDLParserParser.StringsContext ctx)
```
    Enter a parse tree produced by the strings labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitStrings
```
void exitStrings(QDLParserParser.StringsContext ctx)
```
    Exit a parse tree produced by the strings labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterUnaryTildeExpression
```
void enterUnaryTildeExpression(QDLParserParser.UnaryTildeExpressionContext ctx)
```
    Enter a parse tree produced by the unaryTildeExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitUnaryTildeExpression
```
void exitUnaryTildeExpression(QDLParserParser.UnaryTildeExpressionContext ctx)
```
    Exit a parse tree produced by the unaryTildeExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterPostfix
```
void enterPostfix(QDLParserParser.PostfixContext ctx)
```
    Enter a parse tree produced by the postfix labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitPostfix
```
void exitPostfix(QDLParserParser.PostfixContext ctx)
```
    Exit a parse tree produced by the postfix labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterRealInterval
```
void enterRealInterval(QDLParserParser.RealIntervalContext ctx)
```
    Enter a parse tree produced by the realInterval labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitRealInterval
```
void exitRealInterval(QDLParserParser.RealIntervalContext ctx)
```
    Exit a parse tree produced by the realInterval labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterTransposeOperator
```
void enterTransposeOperator(QDLParserParser.TransposeOperatorContext ctx)
```
    Enter a parse tree produced by the transposeOperator labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitTransposeOperator
```
void exitTransposeOperator(QDLParserParser.TransposeOperatorContext ctx)
```
    Exit a parse tree produced by the transposeOperator labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterVariables
```
void enterVariables(QDLParserParser.VariablesContext ctx)
```
    Enter a parse tree produced by the variables labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitVariables
```
void exitVariables(QDLParserParser.VariablesContext ctx)
```
    Exit a parse tree produced by the variables labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterAssignment
```
void enterAssignment(QDLParserParser.AssignmentContext ctx)
```
    Enter a parse tree produced by the assignment labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitAssignment
```
void exitAssignment(QDLParserParser.AssignmentContext ctx)
```
    Exit a parse tree produced by the assignment labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterStemLi
```
void enterStemLi(QDLParserParser.StemLiContext ctx)
```
    Enter a parse tree produced by the stemLi labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitStemLi
```
void exitStemLi(QDLParserParser.StemLiContext ctx)
```
    Exit a parse tree produced by the stemLi labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterIntInterval
```
void enterIntInterval(QDLParserParser.IntIntervalContext ctx)
```
    Enter a parse tree produced by the intInterval labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitIntInterval
```
void exitIntInterval(QDLParserParser.IntIntervalContext ctx)
```
    Exit a parse tree produced by the intInterval labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterLogical
```
void enterLogical(QDLParserParser.LogicalContext ctx)
```
    Enter a parse tree produced by the logical labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitLogical
```
void exitLogical(QDLParserParser.LogicalContext ctx)
```
    Exit a parse tree produced by the logical labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterOrExpression
```
void enterOrExpression(QDLParserParser.OrExpressionContext ctx)
```
    Enter a parse tree produced by the orExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitOrExpression
```
void exitOrExpression(QDLParserParser.OrExpressionContext ctx)
```
    Exit a parse tree produced by the orExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterToSet
```
void enterToSet(QDLParserParser.ToSetContext ctx)
```
    Enter a parse tree produced by the toSet labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitToSet
```
void exitToSet(QDLParserParser.ToSetContext ctx)
```
    Exit a parse tree produced by the toSet labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterUnaryMinusExpression
```
void enterUnaryMinusExpression(QDLParserParser.UnaryMinusExpressionContext ctx)
```
    Enter a parse tree produced by the unaryMinusExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitUnaryMinusExpression
```
void exitUnaryMinusExpression(QDLParserParser.UnaryMinusExpressionContext ctx)
```
    Exit a parse tree produced by the unaryMinusExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterFunctionReference
```
void enterFunctionReference(QDLParserParser.FunctionReferenceContext ctx)
```
    Enter a parse tree produced by the functionReference labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitFunctionReference
```
void exitFunctionReference(QDLParserParser.FunctionReferenceContext ctx)
```
    Exit a parse tree produced by the functionReference labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterUnaryTransposeExpression
```
void enterUnaryTransposeExpression(QDLParserParser.UnaryTransposeExpressionContext ctx)
```
    Enter a parse tree produced by the unaryTransposeExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitUnaryTransposeExpression
```
void exitUnaryTransposeExpression(QDLParserParser.UnaryTransposeExpressionContext ctx)
```
    Exit a parse tree produced by the unaryTransposeExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterIsDefinedExpression
```
void enterIsDefinedExpression(QDLParserParser.IsDefinedExpressionContext ctx)
```
    Enter a parse tree produced by the isDefinedExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitIsDefinedExpression
```
void exitIsDefinedExpression(QDLParserParser.IsDefinedExpressionContext ctx)
```
    Exit a parse tree produced by the isDefinedExpression labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterExtract2
```
void enterExtract2(QDLParserParser.Extract2Context ctx)
```
    Enter a parse tree produced by the extract2 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExtract2
```
void exitExtract2(QDLParserParser.Extract2Context ctx)
```
    Exit a parse tree produced by the extract2 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterExtract3
```
void enterExtract3(QDLParserParser.Extract3Context ctx)
```
    Enter a parse tree produced by the extract3 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExtract3
```
void exitExtract3(QDLParserParser.Extract3Context ctx)
```
    Exit a parse tree produced by the extract3 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterExtract4
```
void enterExtract4(QDLParserParser.Extract4Context ctx)
```
    Enter a parse tree produced by the extract4 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExtract4
```
void exitExtract4(QDLParserParser.Extract4Context ctx)
```
    Exit a parse tree produced by the extract4 labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterExpressionDyadicOps
```
void enterExpressionDyadicOps(QDLParserParser.ExpressionDyadicOpsContext ctx)
```
    Enter a parse tree produced by the expressionDyadicOps labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExpressionDyadicOps
```
void exitExpressionDyadicOps(QDLParserParser.ExpressionDyadicOpsContext ctx)
```
    Exit a parse tree produced by the expressionDyadicOps labeled alternative in QDLParserParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterVariable
```
void enterVariable(QDLParserParser.VariableContext ctx)
```
    Enter a parse tree produced by QDLParserParser.variable().
    
    Parameters:
    
    ctx - the parse tree
  - exitVariable
```
void exitVariable(QDLParserParser.VariableContext ctx)
```
    Exit a parse tree produced by QDLParserParser.variable().
    
    Parameters:
    
    ctx - the parse tree
  - enterNumber
```
void enterNumber(QDLParserParser.NumberContext ctx)
```
    Enter a parse tree produced by QDLParserParser.number().
    
    Parameters:
    
    ctx - the parse tree
  - exitNumber
```
void exitNumber(QDLParserParser.NumberContext ctx)
```
    Exit a parse tree produced by QDLParserParser.number().
    
    Parameters:
    
    ctx - the parse tree
  - enterInteger
```
void enterInteger(QDLParserParser.IntegerContext ctx)
```
    Enter a parse tree produced by QDLParserParser.integer().
    
    Parameters:
    
    ctx - the parse tree
  - exitInteger
```
void exitInteger(QDLParserParser.IntegerContext ctx)
```
    Exit a parse tree produced by QDLParserParser.integer().
    
    Parameters:
    
    ctx - the parse tree
  - enterKeyword
```
void enterKeyword(QDLParserParser.KeywordContext ctx)
```
    Enter a parse tree produced by QDLParserParser.keyword().
    
    Parameters:
    
    ctx - the parse tree
  - exitKeyword
```
void exitKeyword(QDLParserParser.KeywordContext ctx)
```
    Exit a parse tree produced by QDLParserParser.keyword().
    
    Parameters:
    
    ctx - the parse tree

Interface QDLParserListener

Method Summary

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeListener

Method Detail

enterElements

exitElements

enterElement

exitElement

enterStatement

exitStatement

enterConditionalStatement

exitConditionalStatement

enterIfStatement

exitIfStatement

enterIfElseStatement

exitIfElseStatement

enterLoopStatement

exitLoopStatement

enterSwitchStatement

exitSwitchStatement

enterDefineStatement

exitDefineStatement

enterLambdaStatement

exitLambdaStatement

enterModuleStatement

exitModuleStatement

enterTryCatchStatement

exitTryCatchStatement

enterAssertStatement

exitAssertStatement

enterBlockStatement

exitBlockStatement

enterLocalStatement

exitLocalStatement

enterAssertStatement2

exitAssertStatement2

enterStatementBlock

exitStatementBlock

enterDocStatementBlock

exitDocStatementBlock

enterExpressionBlock

exitExpressionBlock

enterConditionalBlock

exitConditionalBlock

enterFdoc

exitFdoc

enterIInterval

exitIInterval

enterRInterval

exitRInterval

enterSet

exitSet

enterStemVariable

exitStemVariable

enterStemEntry

exitStemEntry

enterStemList

exitStemList

enterStemValue

exitStemValue

enterFunction

exitFunction

enterOp_ref

exitOp_ref

enterF_args

exitF_args

enterFunctions

exitFunctions

enterUnaryApplyExpression

exitUnaryApplyExpression

enterKeywords

exitKeywords

enterPrefix

exitPrefix

enterTildeExpression

exitTildeExpression

enterNumbers

exitNumbers

enterNotExpression

exitNotExpression