Class: TreeWalker

Inherits:
Object
  • Object
show all
Defined in:
lib/hdl/parser/tree_walker.rb

Class Method Summary collapse

Class Method Details

.walk(element, method) ⇒ Object 



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# File 'lib/hdl/parser/tree_walker.rb', line 2

def self.walk(element, method)
  array = []

  if element.respond_to?(method)
    array << element.send(method)
  elsif !element.terminal?
    array += element.elements.map { |e| walk(e, method) }.flatten(1)
  end

  array
end