Package com.randomnoun.common.jexl.visitor

Class DepthFirstVisitor

java.lang.Object

com.randomnoun.common.jexl.visitor.DepthFirstVisitor

All Implemented Interfaces:

Visitor

Direct Known Subclasses:

TreeDumper, TreeFormatter

public class DepthFirstVisitor
extends Object
implements Visitor

Provides default methods which visit each node in the tree in depth-first order. Your visitors may extend this class.

Constructor Summary

Constructors

Constructor	Description
DepthFirstVisitor()

Method Summary

Modifier and Type	Method	Description
void	visit(AdditiveExpression n)	multiplicativeExpression -> MultiplicativeExpression() nodeListOptional -> ( ( "+" | "-" ) MultiplicativeExpression() )*
void	visit(ArgumentList n)	expression -> Expression() nodeListOptional -> ( "," Expression() )*
void	visit(Arguments n)	nodeToken -> "(" nodeOptional -> [ ArgumentList() ] nodeToken1 -> ")"
void	visit(BooleanLiteral n)	nodeChoice -> "true" | "false"
void	visit(ConditionalAndExpression n)	equalityExpression -> EqualityExpression() nodeListOptional -> ( "invalid input: '&'invalid input: '&'" EqualityExpression() )*
void	visit(EqualityExpression n)	relationalExpression -> RelationalExpression() nodeListOptional -> ( ( "==" | "!=" ) RelationalExpression() )*
void	visit(Expression n)	conditionalAndExpression -> ConditionalAndExpression() nodeListOptional -> ( "||" ConditionalAndExpression() )*
void	visit(FunctionCall n)	nodeToken -> <IDENTIFIER> arguments -> Arguments()
void	visit(Literal n)	nodeChoice -> <INTEGER_LITERAL> | <FLOATING_POINT_LITERAL> | <CHARACTER_LITERAL> | <STRING_LITERAL> | BooleanLiteral() | NullLiteral()
void	visit(MultiplicativeExpression n)	unaryExpression -> UnaryExpression() nodeListOptional -> ( ( "*" | "/" | "%" ) UnaryExpression() )*
void	visit(Name n)	nodeToken -> <IDENTIFIER> nodeListOptional -> ( "." <IDENTIFIER> )*
void	visit(NodeList n)
void	visit(NodeListOptional n)
void	visit(NodeOptional n)
void	visit(NodeSequence n)
void	visit(NodeToken n)
void	visit(NullLiteral n)	nodeToken -> "null"
void	visit(PrimaryExpression n)	nodeChoice -> FunctionCall() | Name() | Literal() | "(" Expression() ")"
void	visit(RelationalExpression n)	additiveExpression -> AdditiveExpression() nodeListOptional -> ( ( "<" | ">" | "<=" | ">=" ) AdditiveExpression() )*
void	visit(TopLevelExpression n)	expression -> Expression() nodeToken -> <EOF>
void	visit(UnaryExpression n)	nodeChoice -> ( "~" | "!" | "-" ) UnaryExpression() | PrimaryExpression()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DepthFirstVisitor

public DepthFirstVisitor()

Method Details

visit

public void visit(NodeList n)

Specified by:

visit in interface Visitor

visit

public void visit(NodeListOptional n)

Specified by:

visit in interface Visitor

visit

public void visit(NodeOptional n)

Specified by:

visit in interface Visitor

visit

public void visit(NodeSequence n)

Specified by:

visit in interface Visitor

visit

public void visit(NodeToken n)

Specified by:

visit in interface Visitor

visit

public void visit(TopLevelExpression n)

 expression -> Expression()
 nodeToken -> <EOF>
 

Specified by:

visit in interface Visitor

visit

public void visit(Expression n)

 conditionalAndExpression -> ConditionalAndExpression()
 nodeListOptional -> ( "||" ConditionalAndExpression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(ConditionalAndExpression n)

 equalityExpression -> EqualityExpression()
 nodeListOptional -> ( "invalid input: '&'invalid input: '&'" EqualityExpression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(EqualityExpression n)

 relationalExpression -> RelationalExpression()
 nodeListOptional -> ( ( "==" | "!=" ) RelationalExpression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(RelationalExpression n)

 additiveExpression -> AdditiveExpression()
 nodeListOptional -> ( ( "<" | ">" | "<=" | ">=" ) AdditiveExpression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(AdditiveExpression n)

 multiplicativeExpression -> MultiplicativeExpression()
 nodeListOptional -> ( ( "+" | "-" ) MultiplicativeExpression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(MultiplicativeExpression n)

 unaryExpression -> UnaryExpression()
 nodeListOptional -> ( ( "*" | "/" | "%" ) UnaryExpression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(UnaryExpression n)

 nodeChoice -> ( "~" | "!" | "-" ) UnaryExpression()
       | PrimaryExpression()
 

Specified by:

visit in interface Visitor

visit

public void visit(PrimaryExpression n)

 nodeChoice -> FunctionCall()
       | Name()
       | Literal()
       | "(" Expression() ")"
 

Specified by:

visit in interface Visitor

visit

public void visit(Name n)

 nodeToken -> <IDENTIFIER>
 nodeListOptional -> ( "." <IDENTIFIER> )*
 

Specified by:

visit in interface Visitor

visit

public void visit(FunctionCall n)

 nodeToken -> <IDENTIFIER>
 arguments -> Arguments()
 

Specified by:

visit in interface Visitor

visit

public void visit(Arguments n)

 nodeToken -> "("
 nodeOptional -> [ ArgumentList() ]
 nodeToken1 -> ")"
 

Specified by:

visit in interface Visitor

visit

public void visit(ArgumentList n)

 expression -> Expression()
 nodeListOptional -> ( "," Expression() )*
 

Specified by:

visit in interface Visitor

visit

public void visit(Literal n)

 nodeChoice -> <INTEGER_LITERAL>
       | <FLOATING_POINT_LITERAL>
       | <CHARACTER_LITERAL>
       | <STRING_LITERAL>
       | BooleanLiteral()
       | NullLiteral()
 

Specified by:

visit in interface Visitor

visit

public void visit(BooleanLiteral n)

 nodeChoice -> "true"
       | "false"
 

Specified by:

visit in interface Visitor

visit

public void visit(NullLiteral n)

 nodeToken -> "null"
 

Specified by:

visit in interface Visitor