xtc.tree
Class Relocator

java.lang.Object
  xtc.tree.Visitor
      xtc.tree.Relocator

public class Relocator
extends Visitor

Visitor to relocate an abstract syntax tree. This visitor strips all line markers from the abstract syntax tree, while also updating all nodes with locations to reflect the source location relative to the last line marker.

Version:

$Revision: 1.1 $

Author:

Robert Grimm

Field Summary

protected int	baseLine The line of the last line marker.
protected java.lang.String	markedFile The currently marked file.
protected int	markedLine The currently marked line.

Constructor Summary

Relocator()
Create a new relocator.

Method Summary

protected void	relocate(Node n) Relocate the specified node.
Annotation	visit(Annotation a) Process the specified annotation.
Node	visit(LineMarker m) Process the specified line marker.
Node	visit(Node n) Process the specified node.

Methods inherited from class xtc.tree.Visitor

dispatch, equals, hashCode, iterate, map, mapInPlace, unableToVisit

Methods inherited from class java.lang.Object

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

Field Detail

markedFile

protected java.lang.String markedFile

The currently marked file.

markedLine

protected int markedLine

The currently marked line.

baseLine

protected int baseLine

The line of the last line marker.

Constructor Detail

Relocator

public Relocator()

Create a new relocator.

Method Detail

relocate

protected void relocate(Node n)

Relocate the specified node.

Parameters:

n - The node.

visit

public Node visit(Node n)

Process the specified node.

visit

public Annotation visit(Annotation a)

Process the specified annotation.

Overrides:

visit in class Visitor

Parameters:

a - The annotation.

Returns:

The result of applying this visitor on the referenced node.

visit

public Node visit(LineMarker m)

Process the specified line marker.