java.lang.Object
- org.apache.druid.math.expr.antlr.ExprBaseListener
- - org.apache.druid.math.expr.ExprListenerImpl

All Implemented Interfaces:

org.antlr.v4.runtime.tree.ParseTreeListener, ExprListener
```
public class ExprListenerImpl
extends ExprBaseListener
```
Implementation of antlr parse tree listener, transforms ParseTree to Expr, based on the grammar defined in Expr.g4. All Expr are created on 'exit' so that children Expr are already constructed.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`enterLambda(ExprParser.LambdaContext ctx)`	Enter a parse tree produced by `ExprParser.lambda()`.
`void`	`exitAddSubExpr(ExprParser.AddSubExprContext ctx)`	Exit a parse tree produced by the `addSubExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitApplyFunctionExpr(ExprParser.ApplyFunctionExprContext ctx)`	Exit a parse tree produced by the `applyFunctionExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitDoubleArray(ExprParser.DoubleArrayContext ctx)`	Exit a parse tree produced by the `doubleArray` labeled alternative in `ExprParser.expr()`.
`void`	`exitDoubleExpr(ExprParser.DoubleExprContext ctx)`	Exit a parse tree produced by the `doubleExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitExplicitArray(ExprParser.ExplicitArrayContext ctx)`	Exit a parse tree produced by the `explicitArray` labeled alternative in `ExprParser.expr()`.
`void`	`exitExplicitLongArray(ExprParser.ExplicitLongArrayContext ctx)`	Exit a parse tree produced by the `explicitLongArray` labeled alternative in `ExprParser.expr()`.
`void`	`exitExplicitStringArray(ExprParser.ExplicitStringArrayContext ctx)`	Exit a parse tree produced by the `explicitStringArray` labeled alternative in `ExprParser.expr()`.
`void`	`exitFunctionArgs(ExprParser.FunctionArgsContext ctx)`	Exit a parse tree produced by the `functionArgs` labeled alternative in `ExprParser.fnArgs()`.
`void`	`exitFunctionExpr(ExprParser.FunctionExprContext ctx)`	Exit a parse tree produced by the `functionExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitIdentifierExpr(ExprParser.IdentifierExprContext ctx)`	Exit a parse tree produced by the `identifierExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitLambda(ExprParser.LambdaContext ctx)`	Exit a parse tree produced by `ExprParser.lambda()`.
`void`	`exitLogicalAndOrExpr(ExprParser.LogicalAndOrExprContext ctx)`	Exit a parse tree produced by the `logicalAndOrExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitLogicalOpExpr(ExprParser.LogicalOpExprContext ctx)`	Exit a parse tree produced by the `logicalOpExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitLongArray(ExprParser.LongArrayContext ctx)`	Exit a parse tree produced by the `longArray` labeled alternative in `ExprParser.expr()`.
`void`	`exitLongExpr(ExprParser.LongExprContext ctx)`	Exit a parse tree produced by the `longExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitMulDivModuloExpr(ExprParser.MulDivModuloExprContext ctx)`	Exit a parse tree produced by the `mulDivModuloExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitNestedExpr(ExprParser.NestedExprContext ctx)`	Exit a parse tree produced by the `nestedExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitNull(ExprParser.NullContext ctx)`	Exit a parse tree produced by the `null` labeled alternative in `ExprParser.expr()`.
`void`	`exitPowOpExpr(ExprParser.PowOpExprContext ctx)`	Exit a parse tree produced by the `powOpExpr` labeled alternative in `ExprParser.expr()`.
`void`	`exitString(ExprParser.StringContext ctx)`	Exit a parse tree produced by the `string` labeled alternative in `ExprParser.expr()`.
`void`	`exitStringArray(ExprParser.StringArrayContext ctx)`	Exit a parse tree produced by the `stringArray` labeled alternative in `ExprParser.expr()`.
`void`	`exitUnaryOpExpr(ExprParser.UnaryOpExprContext ctx)`	Exit a parse tree produced by the `unaryOpExpr` labeled alternative in `ExprParser.expr()`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - exitUnaryOpExpr
```
public void exitUnaryOpExpr(ExprParser.UnaryOpExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the unaryOpExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitUnaryOpExpr in interface ExprListener
    
    Overrides:
    
    exitUnaryOpExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitApplyFunctionExpr
```
public void exitApplyFunctionExpr(ExprParser.ApplyFunctionExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the applyFunctionExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitApplyFunctionExpr in interface ExprListener
    
    Overrides:
    
    exitApplyFunctionExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitDoubleExpr
```
public void exitDoubleExpr(ExprParser.DoubleExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the doubleExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitDoubleExpr in interface ExprListener
    
    Overrides:
    
    exitDoubleExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitAddSubExpr
```
public void exitAddSubExpr(ExprParser.AddSubExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the addSubExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitAddSubExpr in interface ExprListener
    
    Overrides:
    
    exitAddSubExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLongExpr
```
public void exitLongExpr(ExprParser.LongExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the longExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitLongExpr in interface ExprListener
    
    Overrides:
    
    exitLongExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLogicalAndOrExpr
```
public void exitLogicalAndOrExpr(ExprParser.LogicalAndOrExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the logicalAndOrExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitLogicalAndOrExpr in interface ExprListener
    
    Overrides:
    
    exitLogicalAndOrExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitNestedExpr
```
public void exitNestedExpr(ExprParser.NestedExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the nestedExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitNestedExpr in interface ExprListener
    
    Overrides:
    
    exitNestedExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitString
```
public void exitString(ExprParser.StringContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the string labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitString in interface ExprListener
    
    Overrides:
    
    exitString in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLogicalOpExpr
```
public void exitLogicalOpExpr(ExprParser.LogicalOpExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the logicalOpExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitLogicalOpExpr in interface ExprListener
    
    Overrides:
    
    exitLogicalOpExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitMulDivModuloExpr
```
public void exitMulDivModuloExpr(ExprParser.MulDivModuloExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the mulDivModuloExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitMulDivModuloExpr in interface ExprListener
    
    Overrides:
    
    exitMulDivModuloExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitPowOpExpr
```
public void exitPowOpExpr(ExprParser.PowOpExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the powOpExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitPowOpExpr in interface ExprListener
    
    Overrides:
    
    exitPowOpExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitFunctionExpr
```
public void exitFunctionExpr(ExprParser.FunctionExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the functionExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitFunctionExpr in interface ExprListener
    
    Overrides:
    
    exitFunctionExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitIdentifierExpr
```
public void exitIdentifierExpr(ExprParser.IdentifierExprContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the identifierExpr labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitIdentifierExpr in interface ExprListener
    
    Overrides:
    
    exitIdentifierExpr in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - enterLambda
```
public void enterLambda(ExprParser.LambdaContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Enter a parse tree produced by ExprParser.lambda().
    The default implementation does nothing.
    
    Specified by:
    
    enterLambda in interface ExprListener
    
    Overrides:
    
    enterLambda in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLambda
```
public void exitLambda(ExprParser.LambdaContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by ExprParser.lambda().
    The default implementation does nothing.
    
    Specified by:
    
    exitLambda in interface ExprListener
    
    Overrides:
    
    exitLambda in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitFunctionArgs
```
public void exitFunctionArgs(ExprParser.FunctionArgsContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the functionArgs labeled alternative in ExprParser.fnArgs().
    The default implementation does nothing.
    
    Specified by:
    
    exitFunctionArgs in interface ExprListener
    
    Overrides:
    
    exitFunctionArgs in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitNull
```
public void exitNull(ExprParser.NullContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the null labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitNull in interface ExprListener
    
    Overrides:
    
    exitNull in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitDoubleArray
```
public void exitDoubleArray(ExprParser.DoubleArrayContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the doubleArray labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitDoubleArray in interface ExprListener
    
    Overrides:
    
    exitDoubleArray in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitExplicitArray
```
public void exitExplicitArray(ExprParser.ExplicitArrayContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the explicitArray labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitExplicitArray in interface ExprListener
    
    Overrides:
    
    exitExplicitArray in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLongArray
```
public void exitLongArray(ExprParser.LongArrayContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the longArray labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitLongArray in interface ExprListener
    
    Overrides:
    
    exitLongArray in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitExplicitLongArray
```
public void exitExplicitLongArray(ExprParser.ExplicitLongArrayContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the explicitLongArray labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitExplicitLongArray in interface ExprListener
    
    Overrides:
    
    exitExplicitLongArray in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitStringArray
```
public void exitStringArray(ExprParser.StringArrayContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the stringArray labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitStringArray in interface ExprListener
    
    Overrides:
    
    exitStringArray in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree
  - exitExplicitStringArray
```
public void exitExplicitStringArray(ExprParser.ExplicitStringArrayContext ctx)
```
    Description copied from class: ExprBaseListener
    
    Exit a parse tree produced by the explicitStringArray labeled alternative in ExprParser.expr().
    The default implementation does nothing.
    
    Specified by:
    
    exitExplicitStringArray in interface ExprListener
    
    Overrides:
    
    exitExplicitStringArray in class ExprBaseListener
    
    Parameters:
    
    ctx - the parse tree

Class ExprListenerImpl

Method Summary

Methods inherited from class org.apache.druid.math.expr.antlr.ExprBaseListener

Methods inherited from class java.lang.Object

Method Detail

exitUnaryOpExpr

exitApplyFunctionExpr

exitDoubleExpr

exitAddSubExpr

exitLongExpr

exitLogicalAndOrExpr

exitNestedExpr

exitString

exitLogicalOpExpr

exitMulDivModuloExpr

exitPowOpExpr

exitFunctionExpr

exitIdentifierExpr

enterLambda

exitLambda

exitFunctionArgs

exitNull

exitDoubleArray

exitExplicitArray

exitLongArray

exitExplicitLongArray

exitStringArray

exitExplicitStringArray