Class: YARP::BasicVisitor

Inherits:
Object
  • Object
show all
Defined in:
lib/yarp.rb

Overview

A class that knows how to walk down the tree. None of the individual visit methods are implemented on this visitor, so it forces the consumer to implement each one that they need. For a default implementation that continues walking the tree, see the Visitor class.

Direct Known Subclasses

Visitor

Instance Method Summary collapse

Instance Method Details

#visit(node) ⇒ Object 



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# File 'lib/yarp.rb', line 159

def visit(node)
  node&.accept(self)
end

#visit_all(nodes) ⇒ Object 



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# File 'lib/yarp.rb', line 163

def visit_all(nodes)
  nodes.map { |node| visit(node) }
end

#visit_child_nodes(node) ⇒ Object 



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# File 'lib/yarp.rb', line 167

def visit_child_nodes(node)
  visit_all(node.child_nodes)
end