java.lang.Object
- org.jgrapht.io.DOTBaseListener

All Implemented Interfaces:

org.antlr.v4.runtime.tree.ParseTreeListener, DOTListener
```
class DOTBaseListener
extends java.lang.Object
implements DOTListener
```
This class provides an empty implementation of DOTListener, which can be extended to create a listener which only needs to handle a subset of the available methods.

Constructor Summary

Constructors
Constructor Description

DOTBaseListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`enterAList(DOTParser.AListContext ctx)`	Enter a parse tree produced by `DOTParser.aList()`.
`void`	`enterAttributesList(DOTParser.AttributesListContext ctx)`	Enter a parse tree produced by `DOTParser.attributesList()`.
`void`	`enterAttributeStatement(DOTParser.AttributeStatementContext ctx)`	Enter a parse tree produced by `DOTParser.attributeStatement()`.
`void`	`enterCompoundStatement(DOTParser.CompoundStatementContext ctx)`	Enter a parse tree produced by `DOTParser.compoundStatement()`.
`void`	`enterEdgeStatement(DOTParser.EdgeStatementContext ctx)`	Enter a parse tree produced by `DOTParser.edgeStatement()`.
`void`	`enterEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)`
`void`	`enterGraph(DOTParser.GraphContext ctx)`	Enter a parse tree produced by `DOTParser.graph()`.
`void`	`enterGraphHeader(DOTParser.GraphHeaderContext ctx)`	Enter a parse tree produced by `DOTParser.graphHeader()`.
`void`	`enterGraphIdentifier(DOTParser.GraphIdentifierContext ctx)`	Enter a parse tree produced by `DOTParser.graphIdentifier()`.
`void`	`enterIdentifier(DOTParser.IdentifierContext ctx)`	Enter a parse tree produced by `DOTParser.identifier()`.
`void`	`enterIdentifierPair(DOTParser.IdentifierPairContext ctx)`	Enter a parse tree produced by `DOTParser.identifierPair()`.
`void`	`enterIdentifierPairStatement(DOTParser.IdentifierPairStatementContext ctx)`	Enter a parse tree produced by `DOTParser.identifierPairStatement()`.
`void`	`enterNodeIdentifier(DOTParser.NodeIdentifierContext ctx)`	Enter a parse tree produced by `DOTParser.nodeIdentifier()`.
`void`	`enterNodeStatement(DOTParser.NodeStatementContext ctx)`	Enter a parse tree produced by `DOTParser.nodeStatement()`.
`void`	`enterNodeStatementNoAttributes(DOTParser.NodeStatementNoAttributesContext ctx)`	Enter a parse tree produced by `DOTParser.nodeStatementNoAttributes()`.
`void`	`enterPort(DOTParser.PortContext ctx)`	Enter a parse tree produced by `DOTParser.port()`.
`void`	`enterStatement(DOTParser.StatementContext ctx)`	Enter a parse tree produced by `DOTParser.statement()`.
`void`	`enterSubgraphStatement(DOTParser.SubgraphStatementContext ctx)`	Enter a parse tree produced by `DOTParser.subgraphStatement()`.
`void`	`exitAList(DOTParser.AListContext ctx)`	Exit a parse tree produced by `DOTParser.aList()`.
`void`	`exitAttributesList(DOTParser.AttributesListContext ctx)`	Exit a parse tree produced by `DOTParser.attributesList()`.
`void`	`exitAttributeStatement(DOTParser.AttributeStatementContext ctx)`	Exit a parse tree produced by `DOTParser.attributeStatement()`.
`void`	`exitCompoundStatement(DOTParser.CompoundStatementContext ctx)`	Exit a parse tree produced by `DOTParser.compoundStatement()`.
`void`	`exitEdgeStatement(DOTParser.EdgeStatementContext ctx)`	Exit a parse tree produced by `DOTParser.edgeStatement()`.
`void`	`exitEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)`
`void`	`exitGraph(DOTParser.GraphContext ctx)`	Exit a parse tree produced by `DOTParser.graph()`.
`void`	`exitGraphHeader(DOTParser.GraphHeaderContext ctx)`	Exit a parse tree produced by `DOTParser.graphHeader()`.
`void`	`exitGraphIdentifier(DOTParser.GraphIdentifierContext ctx)`	Exit a parse tree produced by `DOTParser.graphIdentifier()`.
`void`	`exitIdentifier(DOTParser.IdentifierContext ctx)`	Exit a parse tree produced by `DOTParser.identifier()`.
`void`	`exitIdentifierPair(DOTParser.IdentifierPairContext ctx)`	Exit a parse tree produced by `DOTParser.identifierPair()`.
`void`	`exitIdentifierPairStatement(DOTParser.IdentifierPairStatementContext ctx)`	Exit a parse tree produced by `DOTParser.identifierPairStatement()`.
`void`	`exitNodeIdentifier(DOTParser.NodeIdentifierContext ctx)`	Exit a parse tree produced by `DOTParser.nodeIdentifier()`.
`void`	`exitNodeStatement(DOTParser.NodeStatementContext ctx)`	Exit a parse tree produced by `DOTParser.nodeStatement()`.
`void`	`exitNodeStatementNoAttributes(DOTParser.NodeStatementNoAttributesContext ctx)`	Exit a parse tree produced by `DOTParser.nodeStatementNoAttributes()`.
`void`	`exitPort(DOTParser.PortContext ctx)`	Exit a parse tree produced by `DOTParser.port()`.
`void`	`exitStatement(DOTParser.StatementContext ctx)`	Exit a parse tree produced by `DOTParser.statement()`.
`void`	`exitSubgraphStatement(DOTParser.SubgraphStatementContext ctx)`	Exit a parse tree produced by `DOTParser.subgraphStatement()`.
`void`	`visitErrorNode(org.antlr.v4.runtime.tree.ErrorNode node)`
`void`	`visitTerminal(org.antlr.v4.runtime.tree.TerminalNode node)`

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

- Constructor Detail
  - DOTBaseListener
```
DOTBaseListener()
```
- Method Detail
  - enterGraph
```
public void enterGraph(DOTParser.GraphContext ctx)
```
    Enter a parse tree produced by DOTParser.graph().
    The default implementation does nothing.
    
    Specified by:
    
    enterGraph in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitGraph
```
public void exitGraph(DOTParser.GraphContext ctx)
```
    Exit a parse tree produced by DOTParser.graph().
    The default implementation does nothing.
    
    Specified by:
    
    exitGraph in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterCompoundStatement
```
public void enterCompoundStatement(DOTParser.CompoundStatementContext ctx)
```
    Enter a parse tree produced by DOTParser.compoundStatement().
    The default implementation does nothing.
    
    Specified by:
    
    enterCompoundStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitCompoundStatement
```
public void exitCompoundStatement(DOTParser.CompoundStatementContext ctx)
```
    Exit a parse tree produced by DOTParser.compoundStatement().
    The default implementation does nothing.
    
    Specified by:
    
    exitCompoundStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterGraphHeader
```
public void enterGraphHeader(DOTParser.GraphHeaderContext ctx)
```
    Enter a parse tree produced by DOTParser.graphHeader().
    The default implementation does nothing.
    
    Specified by:
    
    enterGraphHeader in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitGraphHeader
```
public void exitGraphHeader(DOTParser.GraphHeaderContext ctx)
```
    Exit a parse tree produced by DOTParser.graphHeader().
    The default implementation does nothing.
    
    Specified by:
    
    exitGraphHeader in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterGraphIdentifier
```
public void enterGraphIdentifier(DOTParser.GraphIdentifierContext ctx)
```
    Enter a parse tree produced by DOTParser.graphIdentifier().
    The default implementation does nothing.
    
    Specified by:
    
    enterGraphIdentifier in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitGraphIdentifier
```
public void exitGraphIdentifier(DOTParser.GraphIdentifierContext ctx)
```
    Exit a parse tree produced by DOTParser.graphIdentifier().
    The default implementation does nothing.
    
    Specified by:
    
    exitGraphIdentifier in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterStatement
```
public void enterStatement(DOTParser.StatementContext ctx)
```
    Enter a parse tree produced by DOTParser.statement().
    The default implementation does nothing.
    
    Specified by:
    
    enterStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitStatement
```
public void exitStatement(DOTParser.StatementContext ctx)
```
    Exit a parse tree produced by DOTParser.statement().
    The default implementation does nothing.
    
    Specified by:
    
    exitStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterIdentifierPairStatement
```
public void enterIdentifierPairStatement(DOTParser.IdentifierPairStatementContext ctx)
```
    Enter a parse tree produced by DOTParser.identifierPairStatement().
    The default implementation does nothing.
    
    Specified by:
    
    enterIdentifierPairStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitIdentifierPairStatement
```
public void exitIdentifierPairStatement(DOTParser.IdentifierPairStatementContext ctx)
```
    Exit a parse tree produced by DOTParser.identifierPairStatement().
    The default implementation does nothing.
    
    Specified by:
    
    exitIdentifierPairStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterAttributeStatement
```
public void enterAttributeStatement(DOTParser.AttributeStatementContext ctx)
```
    Enter a parse tree produced by DOTParser.attributeStatement().
    The default implementation does nothing.
    
    Specified by:
    
    enterAttributeStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitAttributeStatement
```
public void exitAttributeStatement(DOTParser.AttributeStatementContext ctx)
```
    Exit a parse tree produced by DOTParser.attributeStatement().
    The default implementation does nothing.
    
    Specified by:
    
    exitAttributeStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterAttributesList
```
public void enterAttributesList(DOTParser.AttributesListContext ctx)
```
    Enter a parse tree produced by DOTParser.attributesList().
    The default implementation does nothing.
    
    Specified by:
    
    enterAttributesList in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitAttributesList
```
public void exitAttributesList(DOTParser.AttributesListContext ctx)
```
    Exit a parse tree produced by DOTParser.attributesList().
    The default implementation does nothing.
    
    Specified by:
    
    exitAttributesList in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterAList
```
public void enterAList(DOTParser.AListContext ctx)
```
    Enter a parse tree produced by DOTParser.aList().
    The default implementation does nothing.
    
    Specified by:
    
    enterAList in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitAList
```
public void exitAList(DOTParser.AListContext ctx)
```
    Exit a parse tree produced by DOTParser.aList().
    The default implementation does nothing.
    
    Specified by:
    
    exitAList in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterEdgeStatement
```
public void enterEdgeStatement(DOTParser.EdgeStatementContext ctx)
```
    Enter a parse tree produced by DOTParser.edgeStatement().
    The default implementation does nothing.
    
    Specified by:
    
    enterEdgeStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitEdgeStatement
```
public void exitEdgeStatement(DOTParser.EdgeStatementContext ctx)
```
    Exit a parse tree produced by DOTParser.edgeStatement().
    The default implementation does nothing.
    
    Specified by:
    
    exitEdgeStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterNodeStatement
```
public void enterNodeStatement(DOTParser.NodeStatementContext ctx)
```
    Enter a parse tree produced by DOTParser.nodeStatement().
    The default implementation does nothing.
    
    Specified by:
    
    enterNodeStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitNodeStatement
```
public void exitNodeStatement(DOTParser.NodeStatementContext ctx)
```
    Exit a parse tree produced by DOTParser.nodeStatement().
    The default implementation does nothing.
    
    Specified by:
    
    exitNodeStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterNodeStatementNoAttributes
```
public void enterNodeStatementNoAttributes(DOTParser.NodeStatementNoAttributesContext ctx)
```
    Enter a parse tree produced by DOTParser.nodeStatementNoAttributes().
    The default implementation does nothing.
    
    Specified by:
    
    enterNodeStatementNoAttributes in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitNodeStatementNoAttributes
```
public void exitNodeStatementNoAttributes(DOTParser.NodeStatementNoAttributesContext ctx)
```
    Exit a parse tree produced by DOTParser.nodeStatementNoAttributes().
    The default implementation does nothing.
    
    Specified by:
    
    exitNodeStatementNoAttributes in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterNodeIdentifier
```
public void enterNodeIdentifier(DOTParser.NodeIdentifierContext ctx)
```
    Enter a parse tree produced by DOTParser.nodeIdentifier().
    The default implementation does nothing.
    
    Specified by:
    
    enterNodeIdentifier in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitNodeIdentifier
```
public void exitNodeIdentifier(DOTParser.NodeIdentifierContext ctx)
```
    Exit a parse tree produced by DOTParser.nodeIdentifier().
    The default implementation does nothing.
    
    Specified by:
    
    exitNodeIdentifier in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterPort
```
public void enterPort(DOTParser.PortContext ctx)
```
    Enter a parse tree produced by DOTParser.port().
    The default implementation does nothing.
    
    Specified by:
    
    enterPort in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitPort
```
public void exitPort(DOTParser.PortContext ctx)
```
    Exit a parse tree produced by DOTParser.port().
    The default implementation does nothing.
    
    Specified by:
    
    exitPort in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterSubgraphStatement
```
public void enterSubgraphStatement(DOTParser.SubgraphStatementContext ctx)
```
    Enter a parse tree produced by DOTParser.subgraphStatement().
    The default implementation does nothing.
    
    Specified by:
    
    enterSubgraphStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitSubgraphStatement
```
public void exitSubgraphStatement(DOTParser.SubgraphStatementContext ctx)
```
    Exit a parse tree produced by DOTParser.subgraphStatement().
    The default implementation does nothing.
    
    Specified by:
    
    exitSubgraphStatement in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterIdentifierPair
```
public void enterIdentifierPair(DOTParser.IdentifierPairContext ctx)
```
    Enter a parse tree produced by DOTParser.identifierPair().
    The default implementation does nothing.
    
    Specified by:
    
    enterIdentifierPair in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitIdentifierPair
```
public void exitIdentifierPair(DOTParser.IdentifierPairContext ctx)
```
    Exit a parse tree produced by DOTParser.identifierPair().
    The default implementation does nothing.
    
    Specified by:
    
    exitIdentifierPair in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterIdentifier
```
public void enterIdentifier(DOTParser.IdentifierContext ctx)
```
    Enter a parse tree produced by DOTParser.identifier().
    The default implementation does nothing.
    
    Specified by:
    
    enterIdentifier in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - exitIdentifier
```
public void exitIdentifier(DOTParser.IdentifierContext ctx)
```
    Exit a parse tree produced by DOTParser.identifier().
    The default implementation does nothing.
    
    Specified by:
    
    exitIdentifier in interface DOTListener
    
    Parameters:
    
    ctx - the parse tree
  - enterEveryRule
```
public void enterEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)
```
    The default implementation does nothing.
    
    Specified by:
    
    enterEveryRule in interface org.antlr.v4.runtime.tree.ParseTreeListener
  - exitEveryRule
```
public void exitEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)
```
    The default implementation does nothing.
    
    Specified by:
    
    exitEveryRule in interface org.antlr.v4.runtime.tree.ParseTreeListener
  - visitTerminal
```
public void visitTerminal(org.antlr.v4.runtime.tree.TerminalNode node)
```
    The default implementation does nothing.
    
    Specified by:
    
    visitTerminal in interface org.antlr.v4.runtime.tree.ParseTreeListener
  - visitErrorNode
```
public void visitErrorNode(org.antlr.v4.runtime.tree.ErrorNode node)
```
    The default implementation does nothing.
    
    Specified by:
    
    visitErrorNode in interface org.antlr.v4.runtime.tree.ParseTreeListener

Class DOTBaseListener

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DOTBaseListener

Method Detail

enterGraph

exitGraph

enterCompoundStatement

exitCompoundStatement

enterGraphHeader

exitGraphHeader

enterGraphIdentifier

exitGraphIdentifier

enterStatement

exitStatement

enterIdentifierPairStatement

exitIdentifierPairStatement

enterAttributeStatement

exitAttributeStatement

enterAttributesList

exitAttributesList

enterAList

exitAList

enterEdgeStatement

exitEdgeStatement

enterNodeStatement

exitNodeStatement

enterNodeStatementNoAttributes

exitNodeStatementNoAttributes

enterNodeIdentifier

exitNodeIdentifier

enterPort

exitPort

enterSubgraphStatement

exitSubgraphStatement

enterIdentifierPair

exitIdentifierPair

enterIdentifier

exitIdentifier

enterEveryRule

exitEveryRule

visitTerminal

visitErrorNode