GDLBaseListener (GDL - Graph Definition Language 0.3 API)

java.lang.Object
- org.s1ck.gdl.GDLBaseListener

All Implemented Interfaces:

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

Constructor Summary

Constructors
Constructor and Description

GDLBaseListener()

Constructors
Constructor and Description
`GDLBaseListener()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`enterAndExpression(GDLParser.AndExpressionContext ctx)` Enter a parse tree produced by `GDLParser.andExpression()`.
`void`	`enterAtom(GDLParser.AtomContext ctx)` Enter a parse tree produced by `GDLParser.atom()`.
`void`	`enterComparisonElement(GDLParser.ComparisonElementContext ctx)` Enter a parse tree produced by `GDLParser.comparisonElement()`.
`void`	`enterComparisonExpression(GDLParser.ComparisonExpressionContext ctx)` Enter a parse tree produced by `GDLParser.comparisonExpression()`.
`void`	`enterDatabase(GDLParser.DatabaseContext ctx)` Enter a parse tree produced by `GDLParser.database()`.
`void`	`enterDefinition(GDLParser.DefinitionContext ctx)` Enter a parse tree produced by `GDLParser.definition()`.
`void`	`enterEdgeBody(GDLParser.EdgeBodyContext ctx)` Enter a parse tree produced by `GDLParser.edgeBody()`.
`void`	`enterEdgeLength(GDLParser.EdgeLengthContext ctx)` Enter a parse tree produced by `GDLParser.edgeLength()`.
`void`	`enterElementList(GDLParser.ElementListContext ctx)` Enter a parse tree produced by `GDLParser.elementList()`.
`void`	`enterEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)`
`void`	`enterExpression(GDLParser.ExpressionContext ctx)` Enter a parse tree produced by `GDLParser.expression()`.
`void`	`enterExpression2(GDLParser.Expression2Context ctx)` Enter a parse tree produced by `GDLParser.expression2()`.
`void`	`enterGraph(GDLParser.GraphContext ctx)` Enter a parse tree produced by `GDLParser.graph()`.
`void`	`enterHeader(GDLParser.HeaderContext ctx)` Enter a parse tree produced by `GDLParser.header()`.
`void`	`enterIncomingEdge(GDLParser.IncomingEdgeContext ctx)` Enter a parse tree produced by the `incomingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`enterLabel(GDLParser.LabelContext ctx)` Enter a parse tree produced by `GDLParser.label()`.
`void`	`enterLiteral(GDLParser.LiteralContext ctx)` Enter a parse tree produced by `GDLParser.literal()`.
`void`	`enterMatch(GDLParser.MatchContext ctx)` Enter a parse tree produced by `GDLParser.match()`.
`void`	`enterNotExpression(GDLParser.NotExpressionContext ctx)` Enter a parse tree produced by `GDLParser.notExpression()`.
`void`	`enterOrExpression(GDLParser.OrExpressionContext ctx)` Enter a parse tree produced by `GDLParser.orExpression()`.
`void`	`enterOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)` Enter a parse tree produced by the `outgoingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`enterParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)` Enter a parse tree produced by `GDLParser.parenthesizedExpression()`.
`void`	`enterPath(GDLParser.PathContext ctx)` Enter a parse tree produced by `GDLParser.path()`.
`void`	`enterProperties(GDLParser.PropertiesContext ctx)` Enter a parse tree produced by `GDLParser.properties()`.
`void`	`enterProperty(GDLParser.PropertyContext ctx)` Enter a parse tree produced by `GDLParser.property()`.
`void`	`enterPropertyLookup(GDLParser.PropertyLookupContext ctx)` Enter a parse tree produced by `GDLParser.propertyLookup()`.
`void`	`enterQuery(GDLParser.QueryContext ctx)` Enter a parse tree produced by `GDLParser.query()`.
`void`	`enterVertex(GDLParser.VertexContext ctx)` Enter a parse tree produced by `GDLParser.vertex()`.
`void`	`enterWhere(GDLParser.WhereContext ctx)` Enter a parse tree produced by `GDLParser.where()`.
`void`	`enterXorExpression(GDLParser.XorExpressionContext ctx)` Enter a parse tree produced by `GDLParser.xorExpression()`.
`void`	`exitAndExpression(GDLParser.AndExpressionContext ctx)` Exit a parse tree produced by `GDLParser.andExpression()`.
`void`	`exitAtom(GDLParser.AtomContext ctx)` Exit a parse tree produced by `GDLParser.atom()`.
`void`	`exitComparisonElement(GDLParser.ComparisonElementContext ctx)` Exit a parse tree produced by `GDLParser.comparisonElement()`.
`void`	`exitComparisonExpression(GDLParser.ComparisonExpressionContext ctx)` Exit a parse tree produced by `GDLParser.comparisonExpression()`.
`void`	`exitDatabase(GDLParser.DatabaseContext ctx)` Exit a parse tree produced by `GDLParser.database()`.
`void`	`exitDefinition(GDLParser.DefinitionContext ctx)` Exit a parse tree produced by `GDLParser.definition()`.
`void`	`exitEdgeBody(GDLParser.EdgeBodyContext ctx)` Exit a parse tree produced by `GDLParser.edgeBody()`.
`void`	`exitEdgeLength(GDLParser.EdgeLengthContext ctx)` Exit a parse tree produced by `GDLParser.edgeLength()`.
`void`	`exitElementList(GDLParser.ElementListContext ctx)` Exit a parse tree produced by `GDLParser.elementList()`.
`void`	`exitEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)`
`void`	`exitExpression(GDLParser.ExpressionContext ctx)` Exit a parse tree produced by `GDLParser.expression()`.
`void`	`exitExpression2(GDLParser.Expression2Context ctx)` Exit a parse tree produced by `GDLParser.expression2()`.
`void`	`exitGraph(GDLParser.GraphContext ctx)` Exit a parse tree produced by `GDLParser.graph()`.
`void`	`exitHeader(GDLParser.HeaderContext ctx)` Exit a parse tree produced by `GDLParser.header()`.
`void`	`exitIncomingEdge(GDLParser.IncomingEdgeContext ctx)` Exit a parse tree produced by the `incomingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`exitLabel(GDLParser.LabelContext ctx)` Exit a parse tree produced by `GDLParser.label()`.
`void`	`exitLiteral(GDLParser.LiteralContext ctx)` Exit a parse tree produced by `GDLParser.literal()`.
`void`	`exitMatch(GDLParser.MatchContext ctx)` Exit a parse tree produced by `GDLParser.match()`.
`void`	`exitNotExpression(GDLParser.NotExpressionContext ctx)` Exit a parse tree produced by `GDLParser.notExpression()`.
`void`	`exitOrExpression(GDLParser.OrExpressionContext ctx)` Exit a parse tree produced by `GDLParser.orExpression()`.
`void`	`exitOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)` Exit a parse tree produced by the `outgoingEdge` labeled alternative in `GDLParser.edge()`.
`void`	`exitParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)` Exit a parse tree produced by `GDLParser.parenthesizedExpression()`.
`void`	`exitPath(GDLParser.PathContext ctx)` Exit a parse tree produced by `GDLParser.path()`.
`void`	`exitProperties(GDLParser.PropertiesContext ctx)` Exit a parse tree produced by `GDLParser.properties()`.
`void`	`exitProperty(GDLParser.PropertyContext ctx)` Exit a parse tree produced by `GDLParser.property()`.
`void`	`exitPropertyLookup(GDLParser.PropertyLookupContext ctx)` Exit a parse tree produced by `GDLParser.propertyLookup()`.
`void`	`exitQuery(GDLParser.QueryContext ctx)` Exit a parse tree produced by `GDLParser.query()`.
`void`	`exitVertex(GDLParser.VertexContext ctx)` Exit a parse tree produced by `GDLParser.vertex()`.
`void`	`exitWhere(GDLParser.WhereContext ctx)` Exit a parse tree produced by `GDLParser.where()`.
`void`	`exitXorExpression(GDLParser.XorExpressionContext ctx)` Exit a parse tree produced by `GDLParser.xorExpression()`.
`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
  - GDLBaseListener
```
public GDLBaseListener()
```
- Method Detail
  - enterDatabase
```
public void enterDatabase(GDLParser.DatabaseContext ctx)
```
    Enter a parse tree produced by GDLParser.database().
    The default implementation does nothing.
    
    Specified by:
    
    enterDatabase in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitDatabase
```
public void exitDatabase(GDLParser.DatabaseContext ctx)
```
    Exit a parse tree produced by GDLParser.database().
    The default implementation does nothing.
    
    Specified by:
    
    exitDatabase in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterElementList
```
public void enterElementList(GDLParser.ElementListContext ctx)
```
    Enter a parse tree produced by GDLParser.elementList().
    The default implementation does nothing.
    
    Specified by:
    
    enterElementList in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitElementList
```
public void exitElementList(GDLParser.ElementListContext ctx)
```
    Exit a parse tree produced by GDLParser.elementList().
    The default implementation does nothing.
    
    Specified by:
    
    exitElementList in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterDefinition
```
public void enterDefinition(GDLParser.DefinitionContext ctx)
```
    Enter a parse tree produced by GDLParser.definition().
    The default implementation does nothing.
    
    Specified by:
    
    enterDefinition in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitDefinition
```
public void exitDefinition(GDLParser.DefinitionContext ctx)
```
    Exit a parse tree produced by GDLParser.definition().
    The default implementation does nothing.
    
    Specified by:
    
    exitDefinition in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterGraph
```
public void enterGraph(GDLParser.GraphContext ctx)
```
    Enter a parse tree produced by GDLParser.graph().
    The default implementation does nothing.
    
    Specified by:
    
    enterGraph in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitGraph
```
public void exitGraph(GDLParser.GraphContext ctx)
```
    Exit a parse tree produced by GDLParser.graph().
    The default implementation does nothing.
    
    Specified by:
    
    exitGraph in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterQuery
```
public void enterQuery(GDLParser.QueryContext ctx)
```
    Enter a parse tree produced by GDLParser.query().
    The default implementation does nothing.
    
    Specified by:
    
    enterQuery in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitQuery
```
public void exitQuery(GDLParser.QueryContext ctx)
```
    Exit a parse tree produced by GDLParser.query().
    The default implementation does nothing.
    
    Specified by:
    
    exitQuery in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterMatch
```
public void enterMatch(GDLParser.MatchContext ctx)
```
    Enter a parse tree produced by GDLParser.match().
    The default implementation does nothing.
    
    Specified by:
    
    enterMatch in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitMatch
```
public void exitMatch(GDLParser.MatchContext ctx)
```
    Exit a parse tree produced by GDLParser.match().
    The default implementation does nothing.
    
    Specified by:
    
    exitMatch in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterPath
```
public void enterPath(GDLParser.PathContext ctx)
```
    Enter a parse tree produced by GDLParser.path().
    The default implementation does nothing.
    
    Specified by:
    
    enterPath in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitPath
```
public void exitPath(GDLParser.PathContext ctx)
```
    Exit a parse tree produced by GDLParser.path().
    The default implementation does nothing.
    
    Specified by:
    
    exitPath in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterVertex
```
public void enterVertex(GDLParser.VertexContext ctx)
```
    Enter a parse tree produced by GDLParser.vertex().
    The default implementation does nothing.
    
    Specified by:
    
    enterVertex in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitVertex
```
public void exitVertex(GDLParser.VertexContext ctx)
```
    Exit a parse tree produced by GDLParser.vertex().
    The default implementation does nothing.
    
    Specified by:
    
    exitVertex in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterIncomingEdge
```
public void enterIncomingEdge(GDLParser.IncomingEdgeContext ctx)
```
    Enter a parse tree produced by the incomingEdge labeled alternative in GDLParser.edge().
    The default implementation does nothing.
    
    Specified by:
    
    enterIncomingEdge in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitIncomingEdge
```
public void exitIncomingEdge(GDLParser.IncomingEdgeContext ctx)
```
    Exit a parse tree produced by the incomingEdge labeled alternative in GDLParser.edge().
    The default implementation does nothing.
    
    Specified by:
    
    exitIncomingEdge in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterOutgoingEdge
```
public void enterOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)
```
    Enter a parse tree produced by the outgoingEdge labeled alternative in GDLParser.edge().
    The default implementation does nothing.
    
    Specified by:
    
    enterOutgoingEdge in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitOutgoingEdge
```
public void exitOutgoingEdge(GDLParser.OutgoingEdgeContext ctx)
```
    Exit a parse tree produced by the outgoingEdge labeled alternative in GDLParser.edge().
    The default implementation does nothing.
    
    Specified by:
    
    exitOutgoingEdge in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterEdgeBody
```
public void enterEdgeBody(GDLParser.EdgeBodyContext ctx)
```
    Enter a parse tree produced by GDLParser.edgeBody().
    The default implementation does nothing.
    
    Specified by:
    
    enterEdgeBody in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitEdgeBody
```
public void exitEdgeBody(GDLParser.EdgeBodyContext ctx)
```
    Exit a parse tree produced by GDLParser.edgeBody().
    The default implementation does nothing.
    
    Specified by:
    
    exitEdgeBody in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterEdgeLength
```
public void enterEdgeLength(GDLParser.EdgeLengthContext ctx)
```
    Enter a parse tree produced by GDLParser.edgeLength().
    The default implementation does nothing.
    
    Specified by:
    
    enterEdgeLength in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitEdgeLength
```
public void exitEdgeLength(GDLParser.EdgeLengthContext ctx)
```
    Exit a parse tree produced by GDLParser.edgeLength().
    The default implementation does nothing.
    
    Specified by:
    
    exitEdgeLength in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterHeader
```
public void enterHeader(GDLParser.HeaderContext ctx)
```
    Enter a parse tree produced by GDLParser.header().
    The default implementation does nothing.
    
    Specified by:
    
    enterHeader in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitHeader
```
public void exitHeader(GDLParser.HeaderContext ctx)
```
    Exit a parse tree produced by GDLParser.header().
    The default implementation does nothing.
    
    Specified by:
    
    exitHeader in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterProperties
```
public void enterProperties(GDLParser.PropertiesContext ctx)
```
    Enter a parse tree produced by GDLParser.properties().
    The default implementation does nothing.
    
    Specified by:
    
    enterProperties in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitProperties
```
public void exitProperties(GDLParser.PropertiesContext ctx)
```
    Exit a parse tree produced by GDLParser.properties().
    The default implementation does nothing.
    
    Specified by:
    
    exitProperties in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterProperty
```
public void enterProperty(GDLParser.PropertyContext ctx)
```
    Enter a parse tree produced by GDLParser.property().
    The default implementation does nothing.
    
    Specified by:
    
    enterProperty in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitProperty
```
public void exitProperty(GDLParser.PropertyContext ctx)
```
    Exit a parse tree produced by GDLParser.property().
    The default implementation does nothing.
    
    Specified by:
    
    exitProperty in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterLabel
```
public void enterLabel(GDLParser.LabelContext ctx)
```
    Enter a parse tree produced by GDLParser.label().
    The default implementation does nothing.
    
    Specified by:
    
    enterLabel in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLabel
```
public void exitLabel(GDLParser.LabelContext ctx)
```
    Exit a parse tree produced by GDLParser.label().
    The default implementation does nothing.
    
    Specified by:
    
    exitLabel in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterWhere
```
public void enterWhere(GDLParser.WhereContext ctx)
```
    Enter a parse tree produced by GDLParser.where().
    The default implementation does nothing.
    
    Specified by:
    
    enterWhere in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitWhere
```
public void exitWhere(GDLParser.WhereContext ctx)
```
    Exit a parse tree produced by GDLParser.where().
    The default implementation does nothing.
    
    Specified by:
    
    exitWhere in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterExpression
```
public void enterExpression(GDLParser.ExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.expression().
    The default implementation does nothing.
    
    Specified by:
    
    enterExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitExpression
```
public void exitExpression(GDLParser.ExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.expression().
    The default implementation does nothing.
    
    Specified by:
    
    exitExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterXorExpression
```
public void enterXorExpression(GDLParser.XorExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.xorExpression().
    The default implementation does nothing.
    
    Specified by:
    
    enterXorExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitXorExpression
```
public void exitXorExpression(GDLParser.XorExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.xorExpression().
    The default implementation does nothing.
    
    Specified by:
    
    exitXorExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterAndExpression
```
public void enterAndExpression(GDLParser.AndExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.andExpression().
    The default implementation does nothing.
    
    Specified by:
    
    enterAndExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitAndExpression
```
public void exitAndExpression(GDLParser.AndExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.andExpression().
    The default implementation does nothing.
    
    Specified by:
    
    exitAndExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterOrExpression
```
public void enterOrExpression(GDLParser.OrExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.orExpression().
    The default implementation does nothing.
    
    Specified by:
    
    enterOrExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitOrExpression
```
public void exitOrExpression(GDLParser.OrExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.orExpression().
    The default implementation does nothing.
    
    Specified by:
    
    exitOrExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterNotExpression
```
public void enterNotExpression(GDLParser.NotExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.notExpression().
    The default implementation does nothing.
    
    Specified by:
    
    enterNotExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitNotExpression
```
public void exitNotExpression(GDLParser.NotExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.notExpression().
    The default implementation does nothing.
    
    Specified by:
    
    exitNotExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterExpression2
```
public void enterExpression2(GDLParser.Expression2Context ctx)
```
    Enter a parse tree produced by GDLParser.expression2().
    The default implementation does nothing.
    
    Specified by:
    
    enterExpression2 in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitExpression2
```
public void exitExpression2(GDLParser.Expression2Context ctx)
```
    Exit a parse tree produced by GDLParser.expression2().
    The default implementation does nothing.
    
    Specified by:
    
    exitExpression2 in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterAtom
```
public void enterAtom(GDLParser.AtomContext ctx)
```
    Enter a parse tree produced by GDLParser.atom().
    The default implementation does nothing.
    
    Specified by:
    
    enterAtom in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitAtom
```
public void exitAtom(GDLParser.AtomContext ctx)
```
    Exit a parse tree produced by GDLParser.atom().
    The default implementation does nothing.
    
    Specified by:
    
    exitAtom in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterComparisonExpression
```
public void enterComparisonExpression(GDLParser.ComparisonExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.comparisonExpression().
    The default implementation does nothing.
    
    Specified by:
    
    enterComparisonExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitComparisonExpression
```
public void exitComparisonExpression(GDLParser.ComparisonExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.comparisonExpression().
    The default implementation does nothing.
    
    Specified by:
    
    exitComparisonExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterComparisonElement
```
public void enterComparisonElement(GDLParser.ComparisonElementContext ctx)
```
    Enter a parse tree produced by GDLParser.comparisonElement().
    The default implementation does nothing.
    
    Specified by:
    
    enterComparisonElement in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitComparisonElement
```
public void exitComparisonElement(GDLParser.ComparisonElementContext ctx)
```
    Exit a parse tree produced by GDLParser.comparisonElement().
    The default implementation does nothing.
    
    Specified by:
    
    exitComparisonElement in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterParenthesizedExpression
```
public void enterParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)
```
    Enter a parse tree produced by GDLParser.parenthesizedExpression().
    The default implementation does nothing.
    
    Specified by:
    
    enterParenthesizedExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitParenthesizedExpression
```
public void exitParenthesizedExpression(GDLParser.ParenthesizedExpressionContext ctx)
```
    Exit a parse tree produced by GDLParser.parenthesizedExpression().
    The default implementation does nothing.
    
    Specified by:
    
    exitParenthesizedExpression in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterPropertyLookup
```
public void enterPropertyLookup(GDLParser.PropertyLookupContext ctx)
```
    Enter a parse tree produced by GDLParser.propertyLookup().
    The default implementation does nothing.
    
    Specified by:
    
    enterPropertyLookup in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitPropertyLookup
```
public void exitPropertyLookup(GDLParser.PropertyLookupContext ctx)
```
    Exit a parse tree produced by GDLParser.propertyLookup().
    The default implementation does nothing.
    
    Specified by:
    
    exitPropertyLookup in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - enterLiteral
```
public void enterLiteral(GDLParser.LiteralContext ctx)
```
    Enter a parse tree produced by GDLParser.literal().
    The default implementation does nothing.
    
    Specified by:
    
    enterLiteral in interface GDLListener
    
    Parameters:
    
    ctx - the parse tree
  - exitLiteral
```
public void exitLiteral(GDLParser.LiteralContext ctx)
```
    Exit a parse tree produced by GDLParser.literal().
    The default implementation does nothing.
    
    Specified by:
    
    exitLiteral in interface GDLListener
    
    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 GDLBaseListener

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

GDLBaseListener

Method Detail

enterDatabase

exitDatabase

enterElementList

exitElementList

enterDefinition

exitDefinition

enterGraph

exitGraph

enterQuery

exitQuery

enterMatch

exitMatch

enterPath

exitPath

enterVertex

exitVertex

enterIncomingEdge

exitIncomingEdge

enterOutgoingEdge

exitOutgoingEdge

enterEdgeBody

exitEdgeBody

enterEdgeLength

exitEdgeLength

enterHeader

exitHeader

enterProperties

exitProperties

enterProperty

exitProperty

enterLabel

exitLabel

enterWhere

exitWhere

enterExpression

exitExpression

enterXorExpression

exitXorExpression

enterAndExpression

exitAndExpression

enterOrExpression

exitOrExpression

enterNotExpression

exitNotExpression

enterExpression2

exitExpression2

enterAtom

exitAtom

enterComparisonExpression

exitComparisonExpression

enterComparisonElement

exitComparisonElement

enterParenthesizedExpression

exitParenthesizedExpression

enterPropertyLookup

exitPropertyLookup

enterLiteral

exitLiteral

enterEveryRule

exitEveryRule

visitTerminal

visitErrorNode