org.walkmod.javalang.ast

Class Node

java.lang.Object

org.walkmod.javalang.ast.Node

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

BaseParameter, BodyDeclaration, CatchClause, Comment, CompilationUnit, Expression, ImportDeclaration, JavadocTag, MemberValuePair, PackageDeclaration, Statement, Type, TypeParameter, VariableDeclarator, VariableDeclaratorId

public abstract class Node
extends Object
implements Serializable

Abstract class for all nodes of the AST.

Author:

Julio Vilmar Gesser

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Node()
Node(int beginLine, int beginColumn, int endLine, int endColumn)

Method Summary

Methods

Modifier and Type	Method and Description
abstract <R,A> R	accept(GenericVisitor<R,A> v, A arg) Accept method for visitor support.
abstract <A> void	accept(VoidVisitor<A> v, A arg) Accept method for visitor support.
boolean	contains(Node node2) Return if this node contains another node according their line numbers and columns
boolean	equals(Object obj)
int	getBeginColumn() Return the begin column of this node.
int	getBeginLine() Return the begin line of this node.
Object	getData() Use this to retrieve additional information associated to this node.
int	getEndColumn() Return the end column of this node.
int	getEndLine() Return the end line of this node.
int	hashCode()
boolean	isInEqualLocation(Node node2) Return if this node has the same columns and lines than another one.
boolean	isNewNode() Return if the node has not been retrieved from any input because its end column and begin line is 0.
boolean	isPreviousThan(Node node) Return if this node is previous than another one according their line and column numbers
void	setBeginColumn(int beginColumn) Sets the begin column of this node.
void	setBeginLine(int beginLine) Sets the begin line of this node.
void	setData(Object data) Use this to store additional information to this node.
void	setEndColumn(int endColumn) Sets the end column of this node.
void	setEndLine(int endLine) Sets the end line of this node.
String	toString() Return the String representation of this node.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Node

public Node()

Node

public Node(int beginLine,
    int beginColumn,
    int endLine,
    int endColumn)

Method Detail

accept

public abstract <R,A> R accept(GenericVisitor<R,A> v,
             A arg)

Accept method for visitor support.

Type Parameters:

R - the type the return value of the visitor

A - the type the argument passed for the visitor

Parameters:

v - the visitor implementation

arg - any value relevant for the visitor

Returns:

the result of the visit

accept

public abstract <A> void accept(VoidVisitor<A> v,
              A arg)

Accept method for visitor support.

Type Parameters:

A - the type the argument passed for the visitor

Parameters:

v - the visitor implementation

arg - any value relevant for the visitor

getBeginColumn

public final int getBeginColumn()

Return the begin column of this node.

Returns:

the begin column of this node

getBeginLine

public final int getBeginLine()

Return the begin line of this node.

Returns:

the begin line of this node

getData

public final Object getData()

Use this to retrieve additional information associated to this node.

getEndColumn

public final int getEndColumn()

Return the end column of this node.

Returns:

the end column of this node

getEndLine

public final int getEndLine()

Return the end line of this node.

Returns:

the end line of this node

setBeginColumn

public final void setBeginColumn(int beginColumn)

Sets the begin column of this node.

Parameters:

beginColumn - the begin column of this node

setBeginLine

public final void setBeginLine(int beginLine)

Sets the begin line of this node.

Parameters:

beginLine - the begin line of this node

setData

public final void setData(Object data)

Use this to store additional information to this node.

setEndColumn

public final void setEndColumn(int endColumn)

Sets the end column of this node.

Parameters:

endColumn - the end column of this node

setEndLine

public final void setEndLine(int endLine)

Sets the end line of this node.

Parameters:

endLine - the end line of this node

toString

public final String toString()

Return the String representation of this node.

Overrides:

toString in class Object

Returns:

the String representation of this node

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

isNewNode

public boolean isNewNode()

Return if the node has not been retrieved from any input because its end column and begin line is 0.

Returns:

if it is a new node.

contains

public boolean contains(Node node2)

Return if this node contains another node according their line numbers and columns

Parameters:

node2 - the probably contained node

Returns:

if this node contains the argument as a child node by its position.

isInEqualLocation

public boolean isInEqualLocation(Node node2)

Return if this node has the same columns and lines than another one.

Parameters:

node2 - the node to compare

Returns:

if this node has the same columns and lines than another one.

isPreviousThan

public boolean isPreviousThan(Node node)

Return if this node is previous than another one according their line and column numbers

Parameters:

node - to compare

Returns:

if this node is previous than another one according their line and