net.sf.sasl.language.placeholder.syntax
Interface ITreeWalker

All Known Implementing Classes:

SimplePrefixTreeWalker

public interface ITreeWalker

Interface defines methods which must be offered by an asbtract placeholder syntax tree tree walker.

Since:

0.0.1 (sasl-common-aspect-library)

Author:

Philipp Förmer

Method Summary

ASTNode	getCurrentNode() Returns the current visited node returned by a call to nextNode().
ASTNode	nextNode() Visits the next node in the tree and returns it.

Method Detail

getCurrentNode

ASTNode getCurrentNode()

Returns the current visited node returned by a call to nextNode().

Returns:

null or non null

Since:

0.0.1 (sasl-common-aspect-library)

nextNode

ASTNode nextNode()

Visits the next node in the tree and returns it. Returns null if there are no more nodes in the tree to visit.

Returns:

null or non null

Since:

0.0.1 (sasl-common-aspect-library)