public interface NodeVisitor
boolean visit(AstNode node)
node
- the AST node. Will never visit an AstRoot
node,
since the AstRoot
is where the visiting begins.true
if the children should be visited.
If false
, the subtree rooted at this node is skipped.
The node
argument should never be null
--
the individual AstNode
classes should skip any children
that are not present in the source when they invoke this method.