ExpressionListener (smartanalytics-categorization 2.3.9 API)

All Superinterfaces:

org.antlr.v4.runtime.tree.ParseTreeListener

All Known Implementing Classes:

ExpressionBaseListener
```
public interface ExpressionListener
extends org.antlr.v4.runtime.tree.ParseTreeListener
```
This interface defines a complete listener for a parse tree produced by ExpressionParser.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`enterAttribute(ExpressionParser.AttributeContext ctx)` Enter a parse tree produced by `ExpressionParser.attribute()`.
`void`	`enterComparator(ExpressionParser.ComparatorContext ctx)` Enter a parse tree produced by `ExpressionParser.comparator()`.
`void`	`enterExpression(ExpressionParser.ExpressionContext ctx)` Enter a parse tree produced by `ExpressionParser.expression()`.
`void`	`enterOperator(ExpressionParser.OperatorContext ctx)` Enter a parse tree produced by `ExpressionParser.operator()`.
`void`	`enterStatement(ExpressionParser.StatementContext ctx)` Enter a parse tree produced by `ExpressionParser.statement()`.
`void`	`enterValue(ExpressionParser.ValueContext ctx)` Enter a parse tree produced by `ExpressionParser.value()`.
`void`	`exitAttribute(ExpressionParser.AttributeContext ctx)` Exit a parse tree produced by `ExpressionParser.attribute()`.
`void`	`exitComparator(ExpressionParser.ComparatorContext ctx)` Exit a parse tree produced by `ExpressionParser.comparator()`.
`void`	`exitExpression(ExpressionParser.ExpressionContext ctx)` Exit a parse tree produced by `ExpressionParser.expression()`.
`void`	`exitOperator(ExpressionParser.OperatorContext ctx)` Exit a parse tree produced by `ExpressionParser.operator()`.
`void`	`exitStatement(ExpressionParser.StatementContext ctx)` Exit a parse tree produced by `ExpressionParser.statement()`.
`void`	`exitValue(ExpressionParser.ValueContext ctx)` Exit a parse tree produced by `ExpressionParser.value()`.

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

- Method Detail
  - enterExpression
```
void enterExpression(ExpressionParser.ExpressionContext ctx)
```
    Enter a parse tree produced by ExpressionParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - exitExpression
```
void exitExpression(ExpressionParser.ExpressionContext ctx)
```
    Exit a parse tree produced by ExpressionParser.expression().
    
    Parameters:
    
    ctx - the parse tree
  - enterStatement
```
void enterStatement(ExpressionParser.StatementContext ctx)
```
    Enter a parse tree produced by ExpressionParser.statement().
    
    Parameters:
    
    ctx - the parse tree
  - exitStatement
```
void exitStatement(ExpressionParser.StatementContext ctx)
```
    Exit a parse tree produced by ExpressionParser.statement().
    
    Parameters:
    
    ctx - the parse tree
  - enterAttribute
```
void enterAttribute(ExpressionParser.AttributeContext ctx)
```
    Enter a parse tree produced by ExpressionParser.attribute().
    
    Parameters:
    
    ctx - the parse tree
  - exitAttribute
```
void exitAttribute(ExpressionParser.AttributeContext ctx)
```
    Exit a parse tree produced by ExpressionParser.attribute().
    
    Parameters:
    
    ctx - the parse tree
  - enterComparator
```
void enterComparator(ExpressionParser.ComparatorContext ctx)
```
    Enter a parse tree produced by ExpressionParser.comparator().
    
    Parameters:
    
    ctx - the parse tree
  - exitComparator
```
void exitComparator(ExpressionParser.ComparatorContext ctx)
```
    Exit a parse tree produced by ExpressionParser.comparator().
    
    Parameters:
    
    ctx - the parse tree
  - enterOperator
```
void enterOperator(ExpressionParser.OperatorContext ctx)
```
    Enter a parse tree produced by ExpressionParser.operator().
    
    Parameters:
    
    ctx - the parse tree
  - exitOperator
```
void exitOperator(ExpressionParser.OperatorContext ctx)
```
    Exit a parse tree produced by ExpressionParser.operator().
    
    Parameters:
    
    ctx - the parse tree
  - enterValue
```
void enterValue(ExpressionParser.ValueContext ctx)
```
    Enter a parse tree produced by ExpressionParser.value().
    
    Parameters:
    
    ctx - the parse tree
  - exitValue
```
void exitValue(ExpressionParser.ValueContext ctx)
```
    Exit a parse tree produced by ExpressionParser.value().
    
    Parameters:
    
    ctx - the parse tree

Interface ExpressionListener

Method Summary

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

Method Detail

enterExpression

exitExpression

enterStatement

exitStatement

enterAttribute

exitAttribute

enterComparator

exitComparator

enterOperator

exitOperator

enterValue

exitValue